src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // other screen text constants
 127 #define STR_CHOOSE_TREE_EDIT            "Edit"
 128
 129 // for input setup functions
 130 #define SETUPINPUT_SCREEN_POS_START     0
 131 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 132 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 133 #define SETUPINPUT_SCREEN_POS_END       13
 134
 135 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 136 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 137
 138 #define MAX_SETUP_TEXT_INPUT_LEN        28
 139
 140 // for various menu stuff
 141 #define MENU_SCREEN_START_XPOS          1
 142 #define MENU_SCREEN_START_YPOS          2
 143 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 144 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 145 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 146 #define MENU_TITLE1_YPOS                8
 147 #define MENU_TITLE2_YPOS                46
 148 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 149 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 150 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 151 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 152 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 153 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 154 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 155 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 156 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 157 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 158 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 159                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 160                                                          MENU_INFO_FONT_TITLE))
 161 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 162 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 163 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 164                                          MENU_SCREEN_INFO_YSTART2 -     \
 165                                          TILEY / 2)
 166 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 167 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 168                                          MENU_SCREEN_INFO_YSTEP)
 169 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 170   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 171    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 172    MAX_MENU_ENTRIES_ON_SCREEN)
 173 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 174                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 175                                             NUM_INFO_ELEMENTS_FROM_CONF)
 176 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 177 #define MAX_MENU_TEXT_LENGTH_BIG        13
 178 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 179
 180 // screen gadget identifiers
 181 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 182 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 183 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 184 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 185 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 186 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 187 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 188 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 189 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 190 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 191 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 192 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 195 #define SCREEN_CTRL_ID_SCROLL_UP        14
 196 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 197 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 198 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 199
 200 #define NUM_SCREEN_GADGETS              18
 201
 202 #define NUM_SCREEN_MENUBUTTONS          14
 203 #define NUM_SCREEN_SCROLLBUTTONS        2
 204 #define NUM_SCREEN_SCROLLBARS           1
 205 #define NUM_SCREEN_TEXTINPUT            1
 206
 207 #define SCREEN_MASK_MAIN                (1 << 0)
 208 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 209 #define SCREEN_MASK_INPUT               (1 << 2)
 210 #define SCREEN_MASK_TOUCH               (1 << 3)
 211 #define SCREEN_MASK_TOUCH2              (1 << 4)
 212
 213 // graphic position and size values for buttons and scrollbars
 214 #define SC_MENUBUTTON_XSIZE             TILEX
 215 #define SC_MENUBUTTON_YSIZE             TILEY
 216
 217 #define SC_SCROLLBUTTON_XSIZE           TILEX
 218 #define SC_SCROLLBUTTON_YSIZE           TILEY
 219
 220 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 221
 222 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 223 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 224                                          SC_SCROLLBUTTON_YSIZE)
 225
 226 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 227 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 228
 229 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 230 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 231                                          SC_SCROLLBUTTON_YSIZE)
 232
 233 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 234 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 235                                          SC_SCROLL_VERTICAL_YSIZE)
 236
 237 #define SC_BORDER_SIZE                  14
 238
 239
 240 // forward declarations of internal functions
 241 static void HandleScreenGadgets(struct GadgetInfo *);
 242 static void HandleSetupScreen_Generic(int, int, int, int, int);
 243 static void HandleSetupScreen_Input(int, int, int, int, int);
 244 static void CustomizeKeyboard(int);
 245 static void ConfigureJoystick(int);
 246 static void ConfigureVirtualButtons(void);
 247 static void execSetupGame(void);
 248 static void execSetupEngines(void);
 249 static void execSetupGraphics(void);
 250 static void execSetupSound(void);
 251 static void execSetupTouch(void);
 252 static void execSetupArtwork(void);
 253 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 254
 255 static void DrawChoosePlayerName(void);
 256 static void DrawChooseLevelSet(void);
 257 static void DrawChooseLevelNr(void);
 258 static void DrawInfoScreen(void);
 259 static void DrawSetupScreen(void);
 260 static void DrawTypeName(void);
 261
 262 static void DrawInfoScreen_NotAvailable(char *, char *);
 263 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 264 static void DrawInfoScreen_HelpText(int, int, int, int);
 265 static void HandleInfoScreen_Main(int, int, int, int, int);
 266 static void HandleInfoScreen_TitleScreen(int);
 267 static void HandleInfoScreen_Elements(int);
 268 static void HandleInfoScreen_Music(int);
 269 static void HandleInfoScreen_Credits(int);
 270 static void HandleInfoScreen_Program(int);
 271 static void HandleInfoScreen_Version(int);
 272
 273 static void ModifyGameSpeedIfNeeded(void);
 274 static void DisableVsyncIfNeeded(void);
 275
 276 static void MapScreenMenuGadgets(int);
 277 static void UnmapScreenMenuGadgets(int);
 278 static void MapScreenGadgets(int);
 279 static void MapScreenTreeGadgets(TreeInfo *);
 280
 281 static void UpdateScreenMenuGadgets(int, boolean);
 282
 283 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 284
 285 static int info_mode = INFO_MODE_MAIN;
 286 static int setup_mode = SETUP_MODE_MAIN;
 287
 288 static TreeInfo *window_sizes = NULL;
 289 static TreeInfo *window_size_current = NULL;
 290
 291 static TreeInfo *scaling_types = NULL;
 292 static TreeInfo *scaling_type_current = NULL;
 293
 294 static TreeInfo *rendering_modes = NULL;
 295 static TreeInfo *rendering_mode_current = NULL;
 296
 297 static TreeInfo *vsync_modes = NULL;
 298 static TreeInfo *vsync_mode_current = NULL;
 299
 300 static TreeInfo *scroll_delays = NULL;
 301 static TreeInfo *scroll_delay_current = NULL;
 302
 303 static TreeInfo *snapshot_modes = NULL;
 304 static TreeInfo *snapshot_mode_current = NULL;
 305
 306 static TreeInfo *game_speeds_normal = NULL;
 307 static TreeInfo *game_speeds_extended = NULL;
 308 static TreeInfo *game_speeds = NULL;
 309 static TreeInfo *game_speed_current = NULL;
 310
 311 static TreeInfo *volumes_simple = NULL;
 312 static TreeInfo *volume_simple_current = NULL;
 313
 314 static TreeInfo *volumes_loops = NULL;
 315 static TreeInfo *volume_loops_current = NULL;
 316
 317 static TreeInfo *volumes_music = NULL;
 318 static TreeInfo *volume_music_current = NULL;
 319
 320 static TreeInfo *touch_controls = NULL;
 321 static TreeInfo *touch_control_current = NULL;
 322
 323 static TreeInfo *move_distances = NULL;
 324 static TreeInfo *move_distance_current = NULL;
 325
 326 static TreeInfo *drop_distances = NULL;
 327 static TreeInfo *drop_distance_current = NULL;
 328
 329 static TreeInfo *transparencies = NULL;
 330 static TreeInfo *transparency_current = NULL;
 331
 332 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 333 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 334
 335 static TreeInfo *player_name = NULL;
 336 static TreeInfo *player_name_current = NULL;
 337
 338 static TreeInfo *level_number = NULL;
 339 static TreeInfo *level_number_current = NULL;
 340
 341 static struct ValueTextInfo window_sizes_list[] =
 342 {
 343   {     50,     "50 %"                          },
 344   {     80,     "80 %"                          },
 345   {     90,     "90 %"                          },
 346   {     100,    "100 % (Default)"               },
 347   {     110,    "110 %"                         },
 348   {     120,    "120 %"                         },
 349   {     130,    "130 %"                         },
 350   {     140,    "140 %"                         },
 351   {     150,    "150 %"                         },
 352   {     200,    "200 %"                         },
 353   {     250,    "250 %"                         },
 354   {     300,    "300 %"                         },
 355
 356   {     -1,     NULL                            },
 357 };
 358
 359 static struct StringValueTextInfo scaling_types_list[] =
 360 {
 361   {     SCALING_QUALITY_NEAREST, "Off"          },
 362   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 363   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 364
 365   {     NULL,                    NULL           },
 366 };
 367
 368 static struct StringValueTextInfo rendering_modes_list[] =
 369 {
 370   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 371   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 372 #if DEBUG
 373   // this mode may work under certain conditions, but does not work on Windows
 374   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 375 #endif
 376   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 377
 378   {     NULL,                            NULL                            },
 379 };
 380
 381 static struct StringValueTextInfo vsync_modes_list[] =
 382 {
 383   {     STR_VSYNC_MODE_OFF,             "Off"           },
 384   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 385   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 386
 387   {     NULL,                            NULL           },
 388 };
 389
 390 static struct ValueTextInfo game_speeds_list_normal[] =
 391 {
 392   {     30,     "Very Slow"                     },
 393   {     25,     "Slow"                          },
 394   {     20,     "Normal"                        },
 395   {     15,     "Fast"                          },
 396   {     10,     "Very Fast"                     },
 397
 398   {     -1,     NULL                            },
 399 };
 400
 401 static struct ValueTextInfo game_speeds_list_extended[] =
 402 {
 403   {     1000,   "1 fps (Extremely Slow)"        },
 404   {     500,    "2 fps"                         },
 405   {     200,    "5 fps"                         },
 406   {     100,    "10 fps"                        },
 407   {     50,     "20 fps"                        },
 408   {     29,     "35 fps (Original Supaplex)"    },
 409   {     25,     "40 fps"                        },
 410   {     20,     "50 fps (=== Normal Speed ===)" },
 411   {     16,     "60 fps (60 Hz VSync Speed)"    },
 412   {     14,     "70 fps (Maximum Supaplex)"     },
 413   {     10,     "100 fps"                       },
 414   {     5,      "200 fps"                       },
 415   {     2,      "500 fps"                       },
 416   {     1,      "1000 fps (Extremely Fast)"     },
 417
 418   {     -1,     NULL                            },
 419 };
 420
 421 static struct ValueTextInfo *game_speeds_list;
 422
 423 static struct ValueTextInfo scroll_delays_list[] =
 424 {
 425   {     0,      "0 Tiles (No Scroll Delay)"     },
 426   {     1,      "1 Tile"                        },
 427   {     2,      "2 Tiles"                       },
 428   {     3,      "3 Tiles (Default)"             },
 429   {     4,      "4 Tiles"                       },
 430   {     5,      "5 Tiles"                       },
 431   {     6,      "6 Tiles"                       },
 432   {     7,      "7 Tiles"                       },
 433   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 434
 435   {     -1,     NULL                            },
 436 };
 437
 438 static struct StringValueTextInfo snapshot_modes_list[] =
 439 {
 440   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 441   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 442   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 443   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 444
 445   {     NULL,                                   NULL            },
 446 };
 447
 448 static struct ValueTextInfo volumes_list[] =
 449 {
 450   {     0,      "0 %"                           },
 451   {     1,      "1 %"                           },
 452   {     2,      "2 %"                           },
 453   {     5,      "5 %"                           },
 454   {     10,     "10 %"                          },
 455   {     20,     "20 %"                          },
 456   {     30,     "30 %"                          },
 457   {     40,     "40 %"                          },
 458   {     50,     "50 %"                          },
 459   {     60,     "60 %"                          },
 460   {     70,     "70 %"                          },
 461   {     80,     "80 %"                          },
 462   {     90,     "90 %"                          },
 463   {     100,    "100 %"                         },
 464
 465   {     -1,     NULL                            },
 466 };
 467
 468 static struct StringValueTextInfo touch_controls_list[] =
 469 {
 470   {     TOUCH_CONTROL_OFF,              "Off"                   },
 471   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 472   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 473   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 474
 475   {     NULL,                           NULL                    },
 476 };
 477
 478 static struct ValueTextInfo distances_list[] =
 479 {
 480   {     1,      "1 %"                           },
 481   {     2,      "2 %"                           },
 482   {     3,      "3 %"                           },
 483   {     4,      "4 %"                           },
 484   {     5,      "5 %"                           },
 485   {     10,     "10 %"                          },
 486   {     15,     "15 %"                          },
 487   {     20,     "20 %"                          },
 488   {     25,     "25 %"                          },
 489
 490   {     -1,     NULL                            },
 491 };
 492
 493 static struct ValueTextInfo transparencies_list[] =
 494 {
 495   {     0,      "0 % (Opaque)"                  },
 496   {     10,     "10 %"                          },
 497   {     20,     "20 %"                          },
 498   {     30,     "30 %"                          },
 499   {     40,     "40 %"                          },
 500   {     50,     "50 %"                          },
 501   {     60,     "60 %"                          },
 502   {     70,     "70 %"                          },
 503   {     80,     "80 %"                          },
 504   {     90,     "90 %"                          },
 505   {     100,    "100 % (Invisible)"             },
 506
 507   {     -1,     NULL                            },
 508 };
 509
 510 static struct ValueTextInfo grid_sizes_list[] =
 511 {
 512   {     3,      "3"                             },
 513   {     4,      "4"                             },
 514   {     5,      "5"                             },
 515   {     6,      "6"                             },
 516   {     7,      "7"                             },
 517   {     8,      "8"                             },
 518   {     9,      "9"                             },
 519   {     10,     "10"                            },
 520   {     11,     "11"                            },
 521   {     12,     "12"                            },
 522   {     13,     "13"                            },
 523   {     14,     "14"                            },
 524   {     15,     "15"                            },
 525   {     16,     "16"                            },
 526   {     17,     "17"                            },
 527   {     18,     "18"                            },
 528   {     19,     "19"                            },
 529   {     20,     "20"                            },
 530   {     21,     "21"                            },
 531   {     22,     "22"                            },
 532   {     23,     "23"                            },
 533   {     24,     "24"                            },
 534   {     25,     "25"                            },
 535   {     26,     "26"                            },
 536   {     27,     "27"                            },
 537   {     28,     "28"                            },
 538   {     29,     "29"                            },
 539   {     30,     "30"                            },
 540   {     31,     "31"                            },
 541   {     32,     "32"                            },
 542
 543   {     -1,     NULL                            },
 544 };
 545
 546 static int align_xoffset = 0;
 547 static int align_yoffset = 0;
 548
 549 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 550                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 551                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 552                                  GAME_MODE_MAIN :                       \
 553                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 554                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 555
 556 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 557 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 558                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 559                                  INFO_MODE_MAIN)
 560
 561 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 562                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 563                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 564                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 565                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 566                                  SETUP_MODE_CHOOSE_OTHER)
 567
 568 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 569                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 570                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 571 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 572                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 573                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 574 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 575                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 576                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 577
 578 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 579                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 580                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 581 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 582                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 583                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 584 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 585                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 586                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 587
 588 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 589                                  DRAW_XOFFSET_INFO(info_mode) :         \
 590                                  (s) == GAME_MODE_SETUP ?               \
 591                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 592                                  menu.draw_xoffset[DRAW_MODE(s)])
 593 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 594                                  DRAW_YOFFSET_INFO(info_mode) :         \
 595                                  (s) == GAME_MODE_SETUP ?               \
 596                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 597                                  menu.draw_yoffset[DRAW_MODE(s)])
 598 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 599                                  EXTRA_SPACING_INFO(info_mode) :        \
 600                                  (s) == GAME_MODE_SETUP ?               \
 601                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 602                                  menu.extra_spacing[DRAW_MODE(s)])
 603
 604 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 605 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 606
 607 #define amSX                    (mSX + align_xoffset)
 608 #define amSY                    (mSY + align_yoffset)
 609
 610 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 611                                     menu.list_size[game_status] :       \
 612                                     MAX_MENU_ENTRIES_ON_SCREEN)
 613
 614 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 615                                          NUM_MENU_ENTRIES_ON_SCREEN)
 616
 617
 618 // title display and control definitions
 619
 620 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 621                                  2 * MAX_NUM_TITLE_MESSAGES)
 622
 623 #define NO_DIRECT_LEVEL_SELECT  (-1)
 624
 625
 626 static int num_title_screens = 0;
 627
 628 struct TitleControlInfo
 629 {
 630   boolean is_image;
 631   boolean initial;
 632   boolean first;
 633   int local_nr;
 634   int sort_priority;
 635 };
 636
 637 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 638
 639 // main menu display and control definitions
 640
 641 #define MAIN_CONTROL_NAME                       0
 642 #define MAIN_CONTROL_LEVELS                     1
 643 #define MAIN_CONTROL_SCORES                     2
 644 #define MAIN_CONTROL_EDITOR                     3
 645 #define MAIN_CONTROL_INFO                       4
 646 #define MAIN_CONTROL_GAME                       5
 647 #define MAIN_CONTROL_SETUP                      6
 648 #define MAIN_CONTROL_QUIT                       7
 649 #define MAIN_CONTROL_PREV_LEVEL                 8
 650 #define MAIN_CONTROL_NEXT_LEVEL                 9
 651 #define MAIN_CONTROL_FIRST_LEVEL                10
 652 #define MAIN_CONTROL_LAST_LEVEL                 11
 653 #define MAIN_CONTROL_LEVEL_NUMBER               12
 654 #define MAIN_CONTROL_LEVEL_INFO_1               13
 655 #define MAIN_CONTROL_LEVEL_INFO_2               14
 656 #define MAIN_CONTROL_LEVEL_NAME                 15
 657 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 658 #define MAIN_CONTROL_LEVEL_YEAR                 17
 659 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 660 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 661 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 662 #define MAIN_CONTROL_TITLE_1                    21
 663 #define MAIN_CONTROL_TITLE_2                    22
 664 #define MAIN_CONTROL_TITLE_3                    23
 665
 666 static char str_main_text_name[10];
 667 static char str_main_text_first_level[10];
 668 static char str_main_text_last_level[10];
 669 static char str_main_text_level_number[10];
 670
 671 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 672
 673 static char *main_text_name                     = str_main_text_name;
 674 static char *main_text_first_level              = str_main_text_first_level;
 675 static char *main_text_last_level               = str_main_text_last_level;
 676 static char *main_text_level_number             = str_main_text_level_number;
 677 static char *main_text_levels                   = "Levelset";
 678 static char *main_text_scores                   = "Hall Of Fame";
 679 static char *main_text_editor                   = "Level Creator";
 680 static char *main_text_info                     = "Info Screen";
 681 static char *main_text_game                     = "Start Game";
 682 static char *main_text_setup                    = "Setup";
 683 static char *main_text_quit                     = "Quit";
 684 static char *main_text_level_name               = level.name;
 685 static char *main_text_level_author             = level.author;
 686 static char *main_text_level_year               = NULL;
 687 static char *main_text_level_imported_from      = NULL;
 688 static char *main_text_level_imported_by        = NULL;
 689 static char *main_text_level_tested_by          = NULL;
 690 static char *main_text_title_1                  = NULL;
 691 static char *main_text_title_2                  = NULL;
 692 static char *main_text_title_3                  = NULL;
 693
 694 extern char debug_xsn_mode[];
 695
 696 struct MainControlInfo
 697 {
 698   int nr;
 699
 700   struct MenuPosInfo *pos_button;
 701   int button_graphic;
 702
 703   struct TextPosInfo *pos_text;
 704   char **text;
 705
 706   struct TextPosInfo *pos_input;
 707   char **input;
 708 };
 709
 710 static struct MainControlInfo main_controls[] =
 711 {
 712   {
 713     MAIN_CONTROL_NAME,
 714     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 715     &menu.main.text.name,               &main_text_name,
 716     &menu.main.input.name,              &setup.player_name,
 717   },
 718   {
 719     MAIN_CONTROL_LEVELS,
 720     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 721     &menu.main.text.levels,             &main_text_levels,
 722     NULL,                               NULL,
 723   },
 724   {
 725     MAIN_CONTROL_SCORES,
 726     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 727     &menu.main.text.scores,             &main_text_scores,
 728     NULL,                               NULL,
 729   },
 730   {
 731     MAIN_CONTROL_EDITOR,
 732     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 733     &menu.main.text.editor,             &main_text_editor,
 734     NULL,                               NULL,
 735   },
 736   {
 737     MAIN_CONTROL_INFO,
 738     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 739     &menu.main.text.info,               &main_text_info,
 740     NULL,                               NULL,
 741   },
 742   {
 743     MAIN_CONTROL_GAME,
 744     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 745     &menu.main.text.game,               &main_text_game,
 746     NULL,                               NULL,
 747   },
 748   {
 749     MAIN_CONTROL_SETUP,
 750     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 751     &menu.main.text.setup,              &main_text_setup,
 752     NULL,                               NULL,
 753   },
 754   {
 755     MAIN_CONTROL_QUIT,
 756     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 757     &menu.main.text.quit,               &main_text_quit,
 758     NULL,                               NULL,
 759   },
 760   {
 761     MAIN_CONTROL_PREV_LEVEL,
 762     NULL,                               -1,
 763     NULL,                               NULL,
 764     NULL,                               NULL,
 765   },
 766   {
 767     MAIN_CONTROL_NEXT_LEVEL,
 768     NULL,                               -1,
 769     NULL,                               NULL,
 770     NULL,                               NULL,
 771   },
 772   {
 773     MAIN_CONTROL_FIRST_LEVEL,
 774     NULL,                               -1,
 775     &menu.main.text.first_level,        &main_text_first_level,
 776     NULL,                               NULL,
 777   },
 778   {
 779     MAIN_CONTROL_LAST_LEVEL,
 780     NULL,                               -1,
 781     &menu.main.text.last_level,         &main_text_last_level,
 782     NULL,                               NULL,
 783   },
 784   {
 785     MAIN_CONTROL_LEVEL_NUMBER,
 786     NULL,                               -1,
 787     &menu.main.text.level_number,       &main_text_level_number,
 788     NULL,                               NULL,
 789   },
 790   {
 791     MAIN_CONTROL_LEVEL_INFO_1,
 792     NULL,                               -1,
 793     &menu.main.text.level_info_1,       NULL,
 794     NULL,                               NULL,
 795   },
 796   {
 797     MAIN_CONTROL_LEVEL_INFO_2,
 798     NULL,                               -1,
 799     &menu.main.text.level_info_2,       NULL,
 800     NULL,                               NULL,
 801   },
 802   {
 803     MAIN_CONTROL_LEVEL_NAME,
 804     NULL,                               -1,
 805     &menu.main.text.level_name,         &main_text_level_name,
 806     NULL,                               NULL,
 807   },
 808   {
 809     MAIN_CONTROL_LEVEL_AUTHOR,
 810     NULL,                               -1,
 811     &menu.main.text.level_author,       &main_text_level_author,
 812     NULL,                               NULL,
 813   },
 814   {
 815     MAIN_CONTROL_LEVEL_YEAR,
 816     NULL,                               -1,
 817     &menu.main.text.level_year,         &main_text_level_year,
 818     NULL,                               NULL,
 819   },
 820   {
 821     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 822     NULL,                               -1,
 823     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 824     NULL,                               NULL,
 825   },
 826   {
 827     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 828     NULL,                               -1,
 829     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 830     NULL,                               NULL,
 831   },
 832   {
 833     MAIN_CONTROL_LEVEL_TESTED_BY,
 834     NULL,                               -1,
 835     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 836     NULL,                               NULL,
 837   },
 838   {
 839     MAIN_CONTROL_TITLE_1,
 840     NULL,                               -1,
 841     &menu.main.text.title_1,            &main_text_title_1,
 842     NULL,                               NULL,
 843   },
 844   {
 845     MAIN_CONTROL_TITLE_2,
 846     NULL,                               -1,
 847     &menu.main.text.title_2,            &main_text_title_2,
 848     NULL,                               NULL,
 849   },
 850   {
 851     MAIN_CONTROL_TITLE_3,
 852     NULL,                               -1,
 853     &menu.main.text.title_3,            &main_text_title_3,
 854     NULL,                               NULL,
 855   },
 856
 857   {
 858     -1,
 859     NULL,                               -1,
 860     NULL,                               NULL,
 861     NULL,                               NULL,
 862   }
 863 };
 864
 865
 866 static int getTitleScreenGraphic(int nr, boolean initial)
 867 {
 868   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 869 }
 870
 871 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 872 {
 873   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 874 }
 875
 876 #if 0
 877 static int getTitleScreenGameMode(boolean initial)
 878 {
 879   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 880 }
 881 #endif
 882
 883 static int getTitleMessageGameMode(boolean initial)
 884 {
 885   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 886 }
 887
 888 static int getTitleAnimMode(struct TitleControlInfo *tci)
 889 {
 890   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 891
 892   return base + tci->local_nr;
 893 }
 894
 895 #if 0
 896 static int getTitleScreenBackground(boolean initial)
 897 {
 898   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 899 }
 900 #endif
 901
 902 #if 0
 903 static int getTitleMessageBackground(int nr, boolean initial)
 904 {
 905   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 906 }
 907 #endif
 908
 909 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 910 {
 911   int base = (is_image ?
 912               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 913                          IMG_BACKGROUND_TITLESCREEN_1) :
 914               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 915                          IMG_BACKGROUND_TITLEMESSAGE_1));
 916   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 917                                   IMG_BACKGROUND_TITLE);
 918   int graphic_local = base + nr;
 919
 920   if (graphic_info[graphic_local].bitmap != NULL)
 921     return graphic_local;
 922
 923   if (graphic_info[graphic_global].bitmap != NULL)
 924     return graphic_global;
 925
 926   return IMG_UNDEFINED;
 927 }
 928
 929 static int getTitleSound(struct TitleControlInfo *tci)
 930 {
 931   boolean is_image = tci->is_image;
 932   int initial = tci->initial;
 933   int nr = tci->local_nr;
 934   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 935   int base = (is_image ?
 936               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 937                          SND_BACKGROUND_TITLESCREEN_1) :
 938               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 939                          SND_BACKGROUND_TITLEMESSAGE_1));
 940   int sound_global = menu.sound[mode];
 941   int sound_local = base + nr;
 942
 943 #if 0
 944   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 945         nr, initial, is_image,
 946         sound_global, getSoundListEntry(sound_global)->filename,
 947         sound_local, getSoundListEntry(sound_local)->filename);
 948 #endif
 949
 950   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 951     return sound_local;
 952
 953   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 954     return sound_global;
 955
 956   return SND_UNDEFINED;
 957 }
 958
 959 static int getTitleMusic(struct TitleControlInfo *tci)
 960 {
 961   boolean is_image = tci->is_image;
 962   int initial = tci->initial;
 963   int nr = tci->local_nr;
 964   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 965   int base = (is_image ?
 966               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 967                          MUS_BACKGROUND_TITLESCREEN_1) :
 968               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 969                          MUS_BACKGROUND_TITLEMESSAGE_1));
 970   int music_global = menu.music[mode];
 971   int music_local = base + nr;
 972
 973 #if 0
 974   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 975         nr, initial, is_image,
 976         music_global, getMusicListEntry(music_global)->filename,
 977         music_local, getMusicListEntry(music_local)->filename);
 978 #endif
 979
 980   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 981     return music_local;
 982
 983   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 984     return music_global;
 985
 986   return MUS_UNDEFINED;
 987 }
 988
 989 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 990 {
 991   boolean is_image = tci->is_image;
 992   boolean initial = tci->initial;
 993   boolean first = tci->first;
 994   int nr = tci->local_nr;
 995   struct TitleMessageInfo tmi;
 996   struct TitleFadingInfo ti;
 997
 998   tmi = (is_image ? (initial ? (first ?
 999                                 titlescreen_initial_first[nr] :
1000                                 titlescreen_initial[nr])
1001                              : (first ?
1002                                 titlescreen_first[nr] :
1003                                 titlescreen[nr]))
1004                   : (initial ? (first ?
1005                                 titlemessage_initial_first[nr] :
1006                                 titlemessage_initial[nr])
1007                              : (first ?
1008                                 titlemessage_first[nr] :
1009                                 titlemessage[nr])));
1010
1011   ti.fade_mode  = tmi.fade_mode;
1012   ti.fade_delay = tmi.fade_delay;
1013   ti.post_delay = tmi.post_delay;
1014   ti.auto_delay = tmi.auto_delay;
1015   ti.auto_delay_unit = tmi.auto_delay_unit;
1016
1017   return ti;
1018 }
1019
1020 static int compareTitleControlInfo(const void *object1, const void *object2)
1021 {
1022   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1023   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1024   int compare_result;
1025
1026   if (tci1->initial != tci2->initial)
1027     compare_result = (tci1->initial ? -1 : +1);
1028   else if (tci1->sort_priority != tci2->sort_priority)
1029     compare_result = tci1->sort_priority - tci2->sort_priority;
1030   else if (tci1->is_image != tci2->is_image)
1031     compare_result = (tci1->is_image ? -1 : +1);
1032   else
1033     compare_result = tci1->local_nr - tci2->local_nr;
1034
1035   return compare_result;
1036 }
1037
1038 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1039                                                     boolean initial,
1040                                                     int nr, int sort_priority)
1041 {
1042   title_controls[num_title_screens].is_image = is_image;
1043   title_controls[num_title_screens].initial = initial;
1044   title_controls[num_title_screens].local_nr = nr;
1045   title_controls[num_title_screens].sort_priority = sort_priority;
1046
1047   title_controls[num_title_screens].first = FALSE;      // will be set later
1048
1049   num_title_screens++;
1050 }
1051
1052 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1053 {
1054   int i;
1055
1056   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1057   {
1058     int graphic = getTitleScreenGraphic(i, initial);
1059     Bitmap *bitmap = graphic_info[graphic].bitmap;
1060     int sort_priority = graphic_info[graphic].sort_priority;
1061
1062     if (bitmap != NULL)
1063       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1064   }
1065
1066   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1067   {
1068     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1069     char *filename = getLevelSetTitleMessageFilename(i, initial);
1070     int sort_priority = tmi->sort_priority;
1071
1072     if (filename != NULL)
1073       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1074   }
1075 }
1076
1077 static void InitializeTitleControls(boolean show_title_initial)
1078 {
1079   num_title_screens = 0;
1080
1081   // 1st step: initialize title screens for game start (only when starting)
1082   if (show_title_initial)
1083     InitializeTitleControls_CheckTitleInfo(TRUE);
1084
1085   // 2nd step: initialize title screens for current level set
1086   InitializeTitleControls_CheckTitleInfo(FALSE);
1087
1088   // sort title screens according to sort_priority and title number
1089   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1090         compareTitleControlInfo);
1091
1092   // mark first title screen
1093   title_controls[0].first = TRUE;
1094 }
1095
1096 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1097 {
1098   return (pos != NULL && pos->x != -1 && pos->y != -1);
1099 }
1100
1101 static boolean visibleTextPos(struct TextPosInfo *pos)
1102 {
1103   return (pos != NULL && pos->x != -1 && pos->y != -1);
1104 }
1105
1106 static void InitializeMainControls(void)
1107 {
1108   boolean local_team_mode = (!network.enabled && setup.team_mode);
1109   int i;
1110
1111   // set main control text values to dynamically determined values
1112   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1113
1114   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1115                                          menu.main.text.first_level.size));
1116   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1117                                          menu.main.text.last_level.size));
1118   strcpy(main_text_level_number, int2str(level_nr,
1119                                          menu.main.text.level_number.size));
1120
1121   main_text_level_year          = leveldir_current->year;
1122   main_text_level_imported_from = leveldir_current->imported_from;
1123   main_text_level_imported_by   = leveldir_current->imported_by;
1124   main_text_level_tested_by     = leveldir_current->tested_by;
1125
1126   main_text_title_1 = getConfigProgramTitleString();
1127   main_text_title_2 = getConfigProgramCopyrightString();
1128   main_text_title_3 = getConfigProgramCompanyString();
1129
1130   // set main control screen positions to dynamically determined values
1131   for (i = 0; main_controls[i].nr != -1; i++)
1132   {
1133     struct MainControlInfo *mci = &main_controls[i];
1134     int nr                         = mci->nr;
1135     struct MenuPosInfo *pos_button = mci->pos_button;
1136     struct TextPosInfo *pos_text   = mci->pos_text;
1137     struct TextPosInfo *pos_input  = mci->pos_input;
1138     char *text                     = (mci->text  ? *mci->text  : NULL);
1139     char *input                    = (mci->input ? *mci->input : NULL);
1140     int button_graphic             = mci->button_graphic;
1141     int font_text                  = (pos_text  ? pos_text->font  : -1);
1142     int font_input                 = (pos_input ? pos_input->font : -1);
1143
1144     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1145     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1146     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1147     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1148     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1149     int input_chars = (input != NULL ? strlen(input) : 0);
1150
1151     int button_width =
1152       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1153     int button_height =
1154       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1155     int text_width   = font_text_width * text_chars;
1156     int text_height  = font_text_height;
1157     int input_width  = font_input_width * input_chars;
1158     int input_height = font_input_height;
1159
1160     if (nr == MAIN_CONTROL_NAME)
1161     {
1162       menu.main.input.name.width  = input_width;
1163       menu.main.input.name.height = input_height;
1164     }
1165
1166     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1167     {
1168       pos_button->width  = button_width;
1169       pos_button->height = button_height;
1170     }
1171
1172     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1173     {
1174       // calculate text size -- needed for text alignment
1175       boolean calculate_text_size = (text != NULL);
1176
1177       if (pos_text->width == -1 || calculate_text_size)
1178         pos_text->width = text_width;
1179       if (pos_text->height == -1 || calculate_text_size)
1180         pos_text->height = text_height;
1181
1182       if (visibleMenuPos(pos_button))
1183       {
1184         if (pos_text->x == -1)
1185           pos_text->x = pos_button->x + pos_button->width;
1186         if (pos_text->y == -1)
1187           pos_text->y =
1188             pos_button->y + (pos_button->height - pos_text->height) / 2;
1189       }
1190     }
1191
1192     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1193     {
1194       if (visibleTextPos(pos_text))
1195       {
1196         if (pos_input->x == -1)
1197           pos_input->x = pos_text->x + pos_text->width;
1198         if (pos_input->y == -1)
1199           pos_input->y = pos_text->y;
1200       }
1201
1202       if (pos_input->width == -1)
1203         pos_input->width = input_width;
1204       if (pos_input->height == -1)
1205         pos_input->height = input_height;
1206     }
1207   }
1208 }
1209
1210 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1211                                        int graphic, boolean pressed)
1212 {
1213   struct GraphicInfo *g = &graphic_info[graphic];
1214   Bitmap *src_bitmap;
1215   int src_x, src_y;
1216   int xoffset = (pressed ? g->pressed_xoffset : 0);
1217   int yoffset = (pressed ? g->pressed_yoffset : 0);
1218
1219   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1220
1221   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1222                    g->width, g->height, dst_x, dst_y);
1223 }
1224
1225 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1226                                        boolean active_input,
1227                                        boolean pressed_button)
1228 {
1229   int i;
1230
1231   for (i = 0; main_controls[i].nr != -1; i++)
1232   {
1233     struct MainControlInfo *mci = &main_controls[i];
1234
1235     if (mci->nr == nr || nr == -1)
1236     {
1237       struct MenuPosInfo *pos_button = mci->pos_button;
1238       struct TextPosInfo *pos_text   = mci->pos_text;
1239       struct TextPosInfo *pos_input  = mci->pos_input;
1240       char *text                     = (mci->text  ? *mci->text  : NULL);
1241       char *input                    = (mci->input ? *mci->input : NULL);
1242       int button_graphic             = mci->button_graphic;
1243       int font_text                  = (pos_text  ? pos_text->font  : -1);
1244       int font_input                 = (pos_input ? pos_input->font : -1);
1245
1246       if (active_text)
1247       {
1248         button_graphic = BUTTON_ACTIVE(button_graphic);
1249         font_text = FONT_ACTIVE(font_text);
1250       }
1251
1252       if (active_input)
1253       {
1254         font_input = FONT_ACTIVE(font_input);
1255       }
1256
1257       if (visibleMenuPos(pos_button))
1258       {
1259         struct MenuPosInfo *pos = pos_button;
1260         int x = mSX + pos->x;
1261         int y = mSY + pos->y;
1262
1263         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1264         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1265       }
1266
1267       if (visibleTextPos(pos_text) && text != NULL)
1268       {
1269         struct TextPosInfo *pos = pos_text;
1270         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1271         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1272
1273 #if 1
1274         // (check why/if this is needed)
1275         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1276 #endif
1277         DrawText(x, y, text, font_text);
1278       }
1279
1280       if (visibleTextPos(pos_input) && input != NULL)
1281       {
1282         struct TextPosInfo *pos = pos_input;
1283         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1284         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1285
1286 #if 1
1287         // (check why/if this is needed)
1288         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1289 #endif
1290         DrawText(x, y, input, font_input);
1291       }
1292     }
1293   }
1294 }
1295
1296 static void DrawCursorAndText_Main(int nr, boolean active_text,
1297                                    boolean pressed_button)
1298 {
1299   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1300 }
1301
1302 #if 0
1303 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1304                                          boolean pressed_button)
1305 {
1306   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1307 }
1308 #endif
1309
1310 static struct MainControlInfo *getMainControlInfo(int nr)
1311 {
1312   int i;
1313
1314   for (i = 0; main_controls[i].nr != -1; i++)
1315     if (main_controls[i].nr == nr)
1316       return &main_controls[i];
1317
1318   return NULL;
1319 }
1320
1321 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1322 {
1323   if (rect == NULL)
1324     return FALSE;
1325
1326   int rect_x = ALIGNED_TEXT_XPOS(rect);
1327   int rect_y = ALIGNED_TEXT_YPOS(rect);
1328
1329   return (x >= rect_x && x < rect_x + rect->width &&
1330           y >= rect_y && y < rect_y + rect->height);
1331 }
1332
1333 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1334 {
1335   if (rect == NULL)
1336     return FALSE;
1337
1338   int rect_x = ALIGNED_TEXT_XPOS(rect);
1339   int rect_y = ALIGNED_TEXT_YPOS(rect);
1340
1341 #if 0
1342   Debug("screens:insideTextPosRect",
1343         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1344         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1345         (x >= rect_x && x < rect_x + rect->width &&
1346          y >= rect_y && y < rect_y + rect->height));
1347 #endif
1348
1349   return (x >= rect_x && x < rect_x + rect->width &&
1350           y >= rect_y && y < rect_y + rect->height);
1351 }
1352
1353 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1354 {
1355   int rect_width  = preview->xsize * preview->tile_size;
1356   int rect_height = preview->ysize * preview->tile_size;
1357   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1358   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1359
1360   return (x >= rect_x && x < rect_x + rect_width &&
1361           y >= rect_y && y < rect_y + rect_height);
1362 }
1363
1364 static void AdjustScrollbar(int id, int items_max, int items_visible,
1365                             int item_position)
1366 {
1367   struct GadgetInfo *gi = screen_gadget[id];
1368
1369   if (item_position > items_max - items_visible)
1370     item_position = items_max - items_visible;
1371
1372   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1373                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1374                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1375 }
1376
1377 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1378 {
1379   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1380                   first_entry);
1381 }
1382
1383 static void clearMenuListArea(void)
1384 {
1385   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1386
1387   // correct scrollbar position if placed outside menu (playfield) area
1388   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1389     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1390
1391   // clear menu list area, but not title or scrollbar
1392   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1393                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1394 }
1395
1396 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1397 {
1398   static int cursor_array[MAX_LEV_FIELDY];
1399   int x = amSX + TILEX * xpos;
1400   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1401
1402   if (xpos == 0)
1403   {
1404     if (graphic != -1)
1405       cursor_array[ypos] = graphic;
1406     else
1407       graphic = cursor_array[ypos];
1408   }
1409
1410   if (active)
1411     graphic = BUTTON_ACTIVE(graphic);
1412
1413   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1414   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1415 }
1416
1417 static void initCursor(int ypos, int graphic)
1418 {
1419   drawCursorExt(0, ypos, FALSE, graphic);
1420 }
1421
1422 static void drawCursor(int ypos, boolean active)
1423 {
1424   drawCursorExt(0, ypos, active, -1);
1425 }
1426
1427 static void drawCursorXY(int xpos, int ypos, int graphic)
1428 {
1429   drawCursorExt(xpos, ypos, FALSE, graphic);
1430 }
1431
1432 static void drawChooseTreeCursor(int ypos, boolean active)
1433 {
1434   drawCursorExt(0, ypos, active, -1);
1435 }
1436
1437 static int getChooseTreeEditFont(boolean active)
1438 {
1439   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1440 }
1441
1442 static int getChooseTreeEditXPos(int pos)
1443 {
1444   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1445   int xoffset = (has_scrollbar ? -1 : 0);
1446   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1447   int sx = amSX + xpos * TILEX;
1448   int font_nr = getChooseTreeEditFont(FALSE);
1449   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1450
1451   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1452 }
1453
1454 static int getChooseTreeEditYPos(int ypos_raw)
1455 {
1456   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1457   int sy = amSY + ypos * TILEY;
1458
1459   return sy;
1460 }
1461
1462 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1463 {
1464   int sx = getChooseTreeEditXPos(POS_LEFT);
1465   int sy = getChooseTreeEditYPos(ypos_raw);
1466   int font_nr = getChooseTreeEditFont(active);
1467
1468   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1469 }
1470
1471 static void DrawHeadline(void)
1472 {
1473   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1474   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1475 }
1476
1477 static void DrawTitleScreenImage(int nr, boolean initial)
1478 {
1479   int graphic = getTitleScreenGraphic(nr, initial);
1480   Bitmap *bitmap = graphic_info[graphic].bitmap;
1481   int width  = graphic_info[graphic].width;
1482   int height = graphic_info[graphic].height;
1483   int src_x = graphic_info[graphic].src_x;
1484   int src_y = graphic_info[graphic].src_y;
1485   int dst_x, dst_y;
1486
1487   if (bitmap == NULL)
1488     return;
1489
1490   if (width > WIN_XSIZE)
1491   {
1492     // image width too large for window => center image horizontally
1493     src_x = (width - WIN_XSIZE) / 2;
1494     width = WIN_XSIZE;
1495   }
1496
1497   if (height > WIN_YSIZE)
1498   {
1499     // image height too large for window => center image vertically
1500     src_y = (height - WIN_YSIZE) / 2;
1501     height = WIN_YSIZE;
1502   }
1503
1504   // always display title screens centered
1505   dst_x = (WIN_XSIZE - width) / 2;
1506   dst_y = (WIN_YSIZE - height) / 2;
1507
1508   SetDrawBackgroundMask(REDRAW_ALL);
1509   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1510
1511   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1512
1513   if (DrawingOnBackground(dst_x, dst_y))
1514     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1515   else
1516     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1517
1518   redraw_mask = REDRAW_ALL;
1519 }
1520
1521 static void DrawTitleScreenMessage(int nr, boolean initial)
1522 {
1523   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1524   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1525
1526   if (filename == NULL)
1527     return;
1528
1529   // force TITLE font on title message screen
1530   SetFontStatus(getTitleMessageGameMode(initial));
1531
1532   // if chars *and* width set to "-1", automatically determine width
1533   if (tmi->chars == -1 && tmi->width == -1)
1534     tmi->width = viewport.window[game_status].width;
1535
1536   // if lines *and* height set to "-1", automatically determine height
1537   if (tmi->lines == -1 && tmi->height == -1)
1538     tmi->height = viewport.window[game_status].height;
1539
1540   // if chars set to "-1", automatically determine by text and font width
1541   if (tmi->chars == -1)
1542     tmi->chars = tmi->width / getFontWidth(tmi->font);
1543   else
1544     tmi->width = tmi->chars * getFontWidth(tmi->font);
1545
1546   // if lines set to "-1", automatically determine by text and font height
1547   if (tmi->lines == -1)
1548     tmi->lines = tmi->height / getFontHeight(tmi->font);
1549   else
1550     tmi->height = tmi->lines * getFontHeight(tmi->font);
1551
1552   // if x set to "-1", automatically determine by width and alignment
1553   if (tmi->x == -1)
1554     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1555
1556   // if y set to "-1", automatically determine by height and alignment
1557   if (tmi->y == -1)
1558     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1559
1560   SetDrawBackgroundMask(REDRAW_ALL);
1561   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1562
1563   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1564
1565   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1566                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1567                tmi->autowrap, tmi->centered, tmi->parse_comments);
1568
1569   ResetFontStatus();
1570 }
1571
1572 static void DrawTitleScreen(void)
1573 {
1574   KeyboardAutoRepeatOff();
1575
1576   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1577 }
1578
1579 static boolean CheckTitleScreen(boolean levelset_has_changed)
1580 {
1581   static boolean show_title_initial = TRUE;
1582   boolean show_titlescreen = FALSE;
1583
1584   // needed to be able to skip title screen, if no image or message defined
1585   InitializeTitleControls(show_title_initial);
1586
1587   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1588     show_titlescreen = TRUE;
1589
1590   // show initial title images and messages only once at program start
1591   show_title_initial = FALSE;
1592
1593   return (show_titlescreen && num_title_screens > 0);
1594 }
1595
1596 void DrawMainMenu(void)
1597 {
1598   static LevelDirTree *leveldir_last_valid = NULL;
1599   boolean levelset_has_changed = FALSE;
1600   int fade_mask = REDRAW_FIELD;
1601
1602   LimitScreenUpdates(FALSE);
1603
1604   FadeSetLeaveScreen();
1605
1606   // do not fade out here -- function may continue and fade on editor screen
1607
1608   UnmapAllGadgets();
1609   FadeMenuSoundsAndMusic();
1610
1611   ExpireSoundLoops(FALSE);
1612
1613   KeyboardAutoRepeatOn();
1614
1615   audio.sound_deactivated = FALSE;
1616
1617   GetPlayerConfig();
1618
1619   // needed if last screen was the playing screen, invoked from level editor
1620   if (level_editor_test_game)
1621   {
1622     CloseDoor(DOOR_CLOSE_ALL);
1623
1624     SetGameStatus(GAME_MODE_EDITOR);
1625
1626     DrawLevelEd();
1627
1628     return;
1629   }
1630
1631   // leveldir_current may be invalid (level group, parent link)
1632   if (!validLevelSeries(leveldir_current))
1633     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1634
1635   if (leveldir_current != leveldir_last_valid)
1636     levelset_has_changed = TRUE;
1637
1638   // store valid level series information
1639   leveldir_last_valid = leveldir_current;
1640
1641   init_last = init;                     // switch to new busy animation
1642
1643   // needed if last screen (level choice) changed graphics, sounds or music
1644   ReloadCustomArtwork(0);
1645
1646   if (CheckTitleScreen(levelset_has_changed))
1647   {
1648     SetGameStatus(GAME_MODE_TITLE);
1649
1650     DrawTitleScreen();
1651
1652     return;
1653   }
1654
1655   if (redraw_mask & REDRAW_ALL)
1656     fade_mask = REDRAW_ALL;
1657
1658   if (CheckFadeAll())
1659     fade_mask = REDRAW_ALL;
1660
1661   FadeOut(fade_mask);
1662
1663   // needed if different viewport properties defined for menues
1664   ChangeViewportPropertiesIfNeeded();
1665
1666   SetDrawtoField(DRAW_TO_BACKBUFFER);
1667
1668   // level_nr may have been set to value over handicap with level editor
1669   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1670     level_nr = leveldir_current->handicap_level;
1671
1672   LoadLevel(level_nr);
1673   LoadScore(level_nr);
1674
1675   SaveLevelSetup_SeriesInfo();
1676
1677   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1678   SetDrawDeactivationMask(REDRAW_NONE);
1679   SetDrawBackgroundMask(REDRAW_FIELD);
1680
1681   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1682
1683 #if 0
1684   if (fade_mask == REDRAW_ALL)
1685     RedrawGlobalBorder();
1686 #endif
1687
1688   ClearField();
1689
1690   InitializeMainControls();
1691
1692   DrawCursorAndText_Main(-1, FALSE, FALSE);
1693   DrawPreviewLevelInitial();
1694   DrawNetworkPlayers();
1695
1696   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1697
1698   TapeStop();
1699   if (TAPE_IS_EMPTY(tape))
1700     LoadTape(level_nr);
1701   DrawCompleteVideoDisplay();
1702
1703   PlayMenuSoundsAndMusic();
1704
1705   // create gadgets for main menu screen
1706   FreeScreenGadgets();
1707   CreateScreenGadgets();
1708
1709   // may be required if audio buttons shown on tape and changed in setup menu
1710   FreeGameButtons();
1711   CreateGameButtons();
1712
1713   // map gadgets for main menu screen
1714   MapTapeButtons();
1715   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1716   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1717
1718   // copy actual game door content to door double buffer for OpenDoor()
1719   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1720   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1721
1722   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1723
1724   DrawMaskedBorder(fade_mask);
1725
1726   FadeIn(fade_mask);
1727   FadeSetEnterMenu();
1728
1729   // update screen area with special editor door
1730   redraw_mask |= REDRAW_ALL;
1731   BackToFront();
1732
1733   SetMouseCursor(CURSOR_DEFAULT);
1734
1735   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1736 }
1737
1738 static void gotoTopLevelDir(void)
1739 {
1740   // move upwards until inside (but not above) top level directory
1741   while (leveldir_current->node_parent &&
1742          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1743   {
1744     // write a "path" into level tree for easy navigation to last level
1745     if (leveldir_current->node_parent->node_group->cl_first == -1)
1746     {
1747       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1748       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1749       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1750       int cl_first, cl_cursor;
1751
1752       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1753       cl_cursor = leveldir_pos - cl_first;
1754
1755       leveldir_current->node_parent->node_group->cl_first = cl_first;
1756       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1757     }
1758
1759     leveldir_current = leveldir_current->node_parent;
1760   }
1761 }
1762
1763 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1764 {
1765   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1766
1767   return (use_frame_counter ? video.frame_counter : Counter());
1768 }
1769
1770 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1771                                      struct TitleFadingInfo *fi)
1772 {
1773   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1774 }
1775
1776 static void ResetTitleAutoDelay(unsigned int *counter_var,
1777                                 struct TitleFadingInfo *fi)
1778 {
1779   *counter_var = getAutoDelayCounter(fi);
1780 }
1781
1782 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1783 {
1784   static unsigned int title_delay = 0;
1785   static int title_screen_nr = 0;
1786   static int last_sound = -1, last_music = -1;
1787   boolean return_to_main_menu = FALSE;
1788   struct TitleControlInfo *tci;
1789   int sound, music;
1790
1791   if (button == MB_MENU_INITIALIZE)
1792   {
1793     title_delay = 0;
1794     title_screen_nr = 0;
1795     tci = &title_controls[title_screen_nr];
1796
1797     SetAnimStatus(getTitleAnimMode(tci));
1798
1799     last_sound = SND_UNDEFINED;
1800     last_music = MUS_UNDEFINED;
1801
1802     if (num_title_screens != 0)
1803     {
1804       FadeSetEnterScreen();
1805
1806       // use individual title fading instead of global "enter screen" fading
1807       fading = getTitleFading(tci);
1808     }
1809
1810     if (game_status_last_screen == GAME_MODE_INFO)
1811     {
1812       if (num_title_screens == 0)
1813       {
1814         // switch game mode from title screen mode back to info screen mode
1815         SetGameStatus(GAME_MODE_INFO);
1816
1817         // store that last screen was info screen, not main menu screen
1818         game_status_last_screen = GAME_MODE_INFO;
1819
1820         DrawInfoScreen_NotAvailable("Title screen information:",
1821                                     "No title screen for this level set.");
1822         return;
1823       }
1824     }
1825
1826     FadeMenuSoundsAndMusic();
1827
1828     FadeOut(REDRAW_ALL);
1829
1830     // title screens may have different window size
1831     ChangeViewportPropertiesIfNeeded();
1832
1833     // only required to update logic for redrawing global border
1834     ClearField();
1835
1836     if (tci->is_image)
1837       DrawTitleScreenImage(tci->local_nr, tci->initial);
1838     else
1839       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1840
1841     sound = getTitleSound(tci);
1842     music = getTitleMusic(tci);
1843
1844     if (sound != last_sound)
1845       PlayMenuSoundExt(sound);
1846     if (music != last_music)
1847       PlayMenuMusicExt(music);
1848
1849     last_sound = sound;
1850     last_music = music;
1851
1852     SetMouseCursor(CURSOR_NONE);
1853
1854     FadeIn(REDRAW_ALL);
1855
1856     ResetTitleAutoDelay(&title_delay, &fading);
1857
1858     return;
1859   }
1860
1861   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1862     button = MB_MENU_CHOICE;
1863
1864   if (button == MB_MENU_LEAVE)
1865   {
1866     return_to_main_menu = TRUE;
1867   }
1868   else if (button == MB_MENU_CHOICE)
1869   {
1870     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1871     {
1872       SetGameStatus(GAME_MODE_INFO);
1873
1874       info_mode = INFO_MODE_MAIN;
1875
1876       DrawInfoScreen();
1877
1878       return;
1879     }
1880
1881     title_screen_nr++;
1882
1883     if (title_screen_nr < num_title_screens)
1884     {
1885       tci = &title_controls[title_screen_nr];
1886
1887       SetAnimStatus(getTitleAnimMode(tci));
1888
1889       sound = getTitleSound(tci);
1890       music = getTitleMusic(tci);
1891
1892       if (last_sound != SND_UNDEFINED && sound != last_sound)
1893         FadeSound(last_sound);
1894       if (last_music != MUS_UNDEFINED && music != last_music)
1895         FadeMusic();
1896
1897       fading = getTitleFading(tci);
1898
1899       FadeOut(REDRAW_ALL);
1900
1901       if (tci->is_image)
1902         DrawTitleScreenImage(tci->local_nr, tci->initial);
1903       else
1904         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1905
1906       sound = getTitleSound(tci);
1907       music = getTitleMusic(tci);
1908
1909       if (sound != last_sound)
1910         PlayMenuSoundExt(sound);
1911       if (music != last_music)
1912         PlayMenuMusicExt(music);
1913
1914       last_sound = sound;
1915       last_music = music;
1916
1917       FadeIn(REDRAW_ALL);
1918
1919       ResetTitleAutoDelay(&title_delay, &fading);
1920     }
1921     else
1922     {
1923       FadeMenuSoundsAndMusic();
1924
1925       return_to_main_menu = TRUE;
1926     }
1927   }
1928
1929   if (return_to_main_menu)
1930   {
1931     SetMouseCursor(CURSOR_DEFAULT);
1932
1933     // force full menu screen redraw after displaying title screens
1934     redraw_mask = REDRAW_ALL;
1935
1936     if (game_status_last_screen == GAME_MODE_INFO)
1937     {
1938       SetGameStatus(GAME_MODE_INFO);
1939
1940       info_mode = INFO_MODE_MAIN;
1941
1942       DrawInfoScreen();
1943     }
1944     else        // default: return to main menu
1945     {
1946       SetGameStatus(GAME_MODE_MAIN);
1947
1948       DrawMainMenu();
1949     }
1950   }
1951 }
1952
1953 static void HandleMainMenu_SelectLevel(int step, int direction,
1954                                        int selected_level_nr)
1955 {
1956   int old_level_nr = level_nr;
1957   int new_level_nr;
1958
1959   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1960     new_level_nr = selected_level_nr;
1961   else
1962     new_level_nr = old_level_nr + step * direction;
1963
1964   if (new_level_nr < leveldir_current->first_level)
1965     new_level_nr = leveldir_current->first_level;
1966   if (new_level_nr > leveldir_current->last_level)
1967     new_level_nr = leveldir_current->last_level;
1968
1969   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1970   {
1971     // skipping levels is only allowed when trying to skip single level
1972     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1973         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1974     {
1975       leveldir_current->handicap_level++;
1976       SaveLevelSetup_SeriesInfo();
1977     }
1978
1979     new_level_nr = leveldir_current->handicap_level;
1980   }
1981
1982   if (new_level_nr != old_level_nr)
1983   {
1984     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1985
1986     PlaySound(SND_MENU_ITEM_SELECTING);
1987
1988     level_nr = new_level_nr;
1989
1990     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1991              int2str(level_nr, menu.main.text.level_number.size),
1992              mci->pos_text->font);
1993
1994     LoadLevel(level_nr);
1995     DrawPreviewLevelInitial();
1996
1997     TapeErase();
1998     LoadTape(level_nr);
1999     DrawCompleteVideoDisplay();
2000
2001     SaveLevelSetup_SeriesInfo();
2002
2003     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2004
2005     // force redraw of playfield area (may be reset at this point)
2006     redraw_mask |= REDRAW_FIELD;
2007   }
2008 }
2009
2010 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2011 {
2012   static int choice = MAIN_CONTROL_GAME;
2013   static boolean button_pressed_last = FALSE;
2014   boolean button_pressed = FALSE;
2015   int pos = choice;
2016   int i = 0;    // needed to prevent compiler warning due to bad code below
2017
2018   if (button == MB_MENU_INITIALIZE)
2019   {
2020     DrawCursorAndText_Main(choice, TRUE, FALSE);
2021
2022     return;
2023   }
2024
2025   if (mx || my)         // mouse input
2026   {
2027     pos = -1;
2028
2029     for (i = 0; main_controls[i].nr != -1; i++)
2030     {
2031       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2032           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2033           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2034       {
2035         pos = main_controls[i].nr;
2036
2037         break;
2038       }
2039     }
2040
2041     // check if level preview was clicked
2042     if (insidePreviewRect(&preview, mx - SX, my - SY))
2043       pos = MAIN_CONTROL_GAME;
2044
2045     // handle pressed/unpressed state for active/inactive menu buttons
2046     // (if pos != -1, "i" contains index position corresponding to "pos")
2047     if (button &&
2048         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2049         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2050       button_pressed = TRUE;
2051
2052     if (button_pressed != button_pressed_last)
2053     {
2054       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2055
2056       if (button_pressed)
2057         PlaySound(SND_MENU_BUTTON_PRESSING);
2058       else
2059         PlaySound(SND_MENU_BUTTON_RELEASING);
2060     }
2061   }
2062   else if (dx || dy)    // keyboard input
2063   {
2064     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2065                    choice == MAIN_CONTROL_SETUP))
2066       button = MB_MENU_CHOICE;
2067     else if (dy)
2068       pos = choice + dy;
2069   }
2070
2071   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2072   {
2073     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2074   }
2075   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2076   {
2077     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2078   }
2079   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2080   {
2081     CloseDoor(DOOR_CLOSE_2);
2082
2083     SetGameStatus(GAME_MODE_LEVELNR);
2084
2085     DrawChooseLevelNr();
2086   }
2087   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2088   {
2089     if (button)
2090     {
2091       if (pos != choice)
2092       {
2093         PlaySound(SND_MENU_ITEM_ACTIVATING);
2094
2095         DrawCursorAndText_Main(choice, FALSE, FALSE);
2096         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2097
2098         choice = pos;
2099       }
2100       else if (dx != 0)
2101       {
2102         if (choice != MAIN_CONTROL_INFO &&
2103             choice != MAIN_CONTROL_SETUP)
2104           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2105       }
2106     }
2107     else
2108     {
2109       PlaySound(SND_MENU_ITEM_SELECTING);
2110
2111       if (pos == MAIN_CONTROL_NAME)
2112       {
2113         if ((mx || my) &&
2114             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2115         {
2116           // special case: menu text "name/team" clicked -- toggle team mode
2117           setup.team_mode = !setup.team_mode;
2118
2119           InitializeMainControls();
2120           DrawCursorAndText_Main(choice, TRUE, FALSE);
2121
2122           DrawPreviewPlayers();
2123         }
2124         else
2125         {
2126           if (setup.multiple_users)
2127           {
2128             CloseDoor(DOOR_CLOSE_2);
2129
2130             SetGameStatus(GAME_MODE_NAMES);
2131
2132             DrawChoosePlayerName();
2133           }
2134           else
2135           {
2136             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2137
2138             DrawTypeName();
2139           }
2140         }
2141       }
2142       else if (pos == MAIN_CONTROL_LEVELS)
2143       {
2144         if (leveldir_first)
2145         {
2146           CloseDoor(DOOR_CLOSE_2);
2147
2148           SetGameStatus(GAME_MODE_LEVELS);
2149
2150           SaveLevelSetup_LastSeries();
2151           SaveLevelSetup_SeriesInfo();
2152
2153           if (setup.internal.choose_from_top_leveldir)
2154             gotoTopLevelDir();
2155
2156           DrawChooseLevelSet();
2157         }
2158       }
2159       else if (pos == MAIN_CONTROL_SCORES)
2160       {
2161         CloseDoor(DOOR_CLOSE_2);
2162
2163         SetGameStatus(GAME_MODE_SCORES);
2164
2165         DrawHallOfFame(level_nr, -1);
2166       }
2167       else if (pos == MAIN_CONTROL_EDITOR)
2168       {
2169         if (leveldir_current->readonly &&
2170             !strEqual(setup.player_name, "Artsoft"))
2171           Request("This level is read only!", REQ_CONFIRM);
2172
2173         CloseDoor(DOOR_CLOSE_2);
2174
2175         SetGameStatus(GAME_MODE_EDITOR);
2176
2177         FadeSetEnterScreen();
2178
2179         DrawLevelEd();
2180       }
2181       else if (pos == MAIN_CONTROL_INFO)
2182       {
2183         CloseDoor(DOOR_CLOSE_2);
2184
2185         SetGameStatus(GAME_MODE_INFO);
2186
2187         info_mode = INFO_MODE_MAIN;
2188
2189         DrawInfoScreen();
2190       }
2191       else if (pos == MAIN_CONTROL_GAME)
2192       {
2193         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2194       }
2195       else if (pos == MAIN_CONTROL_SETUP)
2196       {
2197         CloseDoor(DOOR_CLOSE_2);
2198
2199         SetGameStatus(GAME_MODE_SETUP);
2200
2201         setup_mode = SETUP_MODE_MAIN;
2202
2203         DrawSetupScreen();
2204       }
2205       else if (pos == MAIN_CONTROL_QUIT)
2206       {
2207         SaveLevelSetup_LastSeries();
2208         SaveLevelSetup_SeriesInfo();
2209
2210         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2211           SetGameStatus(GAME_MODE_QUIT);
2212       }
2213     }
2214   }
2215
2216   button_pressed_last = button_pressed;
2217 }
2218
2219
2220 // ============================================================================
2221 // info screen functions
2222 // ============================================================================
2223
2224 static struct TokenInfo *info_info;
2225 static int num_info_info;       // number of info entries shown on screen
2226 static int max_info_info;       // total number of info entries in list
2227
2228 static void execInfoTitleScreen(void)
2229 {
2230   info_mode = INFO_MODE_TITLE;
2231
2232   DrawInfoScreen();
2233 }
2234
2235 static void execInfoElements(void)
2236 {
2237   info_mode = INFO_MODE_ELEMENTS;
2238
2239   DrawInfoScreen();
2240 }
2241
2242 static void execInfoMusic(void)
2243 {
2244   info_mode = INFO_MODE_MUSIC;
2245
2246   DrawInfoScreen();
2247 }
2248
2249 static void execInfoCredits(void)
2250 {
2251   info_mode = INFO_MODE_CREDITS;
2252
2253   DrawInfoScreen();
2254 }
2255
2256 static void execInfoProgram(void)
2257 {
2258   info_mode = INFO_MODE_PROGRAM;
2259
2260   DrawInfoScreen();
2261 }
2262
2263 static void execInfoVersion(void)
2264 {
2265   info_mode = INFO_MODE_VERSION;
2266
2267   DrawInfoScreen();
2268 }
2269
2270 static void execInfoLevelSet(void)
2271 {
2272   info_mode = INFO_MODE_LEVELSET;
2273
2274   DrawInfoScreen();
2275 }
2276
2277 static void execExitInfo(void)
2278 {
2279   SetGameStatus(GAME_MODE_MAIN);
2280
2281   DrawMainMenu();
2282 }
2283
2284 static struct TokenInfo info_info_main[] =
2285 {
2286   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2287   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2288   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2289   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2290   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2291   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2292   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2293   { TYPE_EMPTY,         NULL,                   ""                      },
2294   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2295
2296   { 0,                  NULL,                   NULL                    }
2297 };
2298
2299 static int getMenuTextFont(int type)
2300 {
2301   if (type & (TYPE_SWITCH       |
2302               TYPE_YES_NO       |
2303               TYPE_YES_NO_AUTO  |
2304               TYPE_STRING       |
2305               TYPE_PLAYER       |
2306               TYPE_ECS_AGA      |
2307               TYPE_KEYTEXT      |
2308               TYPE_ENTER_LIST   |
2309               TYPE_TEXT_INPUT))
2310     return FONT_MENU_2;
2311   else
2312     return FONT_MENU_1;
2313 }
2314
2315 static struct TokenInfo *setup_info;
2316 static struct TokenInfo setup_info_input[];
2317
2318 static struct TokenInfo *menu_info;
2319
2320 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2321                                        int screen_pos, int menu_info_pos_raw,
2322                                        boolean active)
2323 {
2324   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2325   struct TokenInfo *ti = &token_info[pos];
2326   int xpos = MENU_SCREEN_START_XPOS;
2327   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2328   int font_nr = getMenuTextFont(ti->type);
2329
2330   if (setup_mode == SETUP_MODE_INPUT)
2331     font_nr = FONT_MENU_1;
2332
2333   if (active)
2334     font_nr = FONT_ACTIVE(font_nr);
2335
2336   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2337
2338   if (ti->type & ~TYPE_SKIP_ENTRY)
2339     drawCursor(screen_pos, active);
2340 }
2341
2342 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2343                                    boolean active)
2344 {
2345   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2346 }
2347
2348 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2349                                     boolean active)
2350 {
2351   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2352 }
2353
2354 static char *window_size_text;
2355 static char *scaling_type_text;
2356 static char *network_server_text;
2357
2358 static void drawSetupValue(int, int);
2359
2360 static void drawMenuInfoList(int first_entry, int num_page_entries,
2361                              int max_page_entries)
2362 {
2363   int i;
2364
2365   if (first_entry + num_page_entries > max_page_entries)
2366     first_entry = 0;
2367
2368   clearMenuListArea();
2369
2370   for (i = 0; i < num_page_entries; i++)
2371   {
2372     int menu_info_pos = first_entry + i;
2373     struct TokenInfo *si = &menu_info[menu_info_pos];
2374     void *value_ptr = si->value;
2375
2376     // set some entries to "unchangeable" according to other variables
2377     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2378         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2379         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2380         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2381         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2382         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2383       si->type |= TYPE_GHOSTED;
2384
2385     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2386       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2387     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2388       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2389     else if (si->type & ~TYPE_SKIP_ENTRY)
2390       initCursor(i, IMG_MENU_BUTTON);
2391
2392     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2393
2394     if (si->type & TYPE_STRING)
2395     {
2396       int gadget_id = -1;
2397
2398       if (value_ptr == &network_server_text)
2399         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2400
2401       if (gadget_id != -1)
2402       {
2403         struct GadgetInfo *gi = screen_gadget[gadget_id];
2404         int xpos = MENU_SCREEN_START_XPOS;
2405         int ypos = MENU_SCREEN_START_YPOS + i;
2406         int x = mSX + xpos * 32;
2407         int y = mSY + ypos * 32;
2408
2409         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2410       }
2411     }
2412
2413     if (si->type & TYPE_VALUE &&
2414         menu_info == setup_info)
2415       drawSetupValue(i, menu_info_pos);
2416   }
2417 }
2418
2419 static void DrawInfoScreen_Main(void)
2420 {
2421   int fade_mask = REDRAW_FIELD;
2422   int i;
2423
2424   if (redraw_mask & REDRAW_ALL)
2425     fade_mask = REDRAW_ALL;
2426
2427   if (CheckFadeAll())
2428     fade_mask = REDRAW_ALL;
2429
2430   UnmapAllGadgets();
2431   FadeMenuSoundsAndMusic();
2432
2433   FreeScreenGadgets();
2434   CreateScreenGadgets();
2435
2436   // (needed after displaying title screens which disable auto repeat)
2437   KeyboardAutoRepeatOn();
2438
2439   FadeSetLeaveScreen();
2440
2441   FadeOut(fade_mask);
2442
2443   // needed if different viewport properties defined for info screen
2444   ChangeViewportPropertiesIfNeeded();
2445
2446   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2447
2448   ClearField();
2449
2450   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2451
2452   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2453
2454   info_info = info_info_main;
2455
2456   // determine maximal number of info entries that can be displayed on screen
2457   num_info_info = 0;
2458   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2459     num_info_info++;
2460
2461   // determine maximal number of info entries available for menu of info screen
2462   max_info_info = 0;
2463   for (i = 0; info_info[i].type != 0; i++)
2464     max_info_info++;
2465
2466   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2467
2468   MapScreenGadgets(max_info_info);
2469
2470   PlayMenuSoundsAndMusic();
2471
2472   DrawMaskedBorder(fade_mask);
2473
2474   FadeIn(fade_mask);
2475 }
2476
2477 static void changeSetupValue(int, int, int);
2478
2479 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2480                              int mode, int num_page_entries,
2481                              int max_page_entries)
2482 {
2483   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2484   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2485   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2486   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2487   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2488   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2489   int *num_page_entries_last = num_page_entries_all_last[game_status];
2490   int *choice_store = choice_stores[game_status];
2491   int *first_entry_store = first_entry_stores[game_status];
2492   int choice = choice_store[mode];              // starts with 0
2493   int first_entry = first_entry_store[mode];    // starts with 0
2494   int x = 0;
2495   int y = choice - first_entry;
2496   int y_old = y;
2497   boolean position_set_by_scrollbar = (dx == 999);
2498   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2499   int i;
2500
2501   if (button == MB_MENU_INITIALIZE)
2502   {
2503     // check if number of menu page entries has changed (may happen by change
2504     // of custom artwork definition value for 'list_size' for this menu screen)
2505     // (in this case, the last menu position most probably has to be corrected)
2506     if (num_page_entries != num_page_entries_last[mode])
2507     {
2508       choice_store[mode] = first_entry_store[mode] = 0;
2509
2510       choice = first_entry = 0;
2511       y = y_old = 0;
2512
2513       num_page_entries_last[mode] = num_page_entries;
2514     }
2515
2516     // advance to first valid menu entry
2517     while (choice < num_page_entries &&
2518            menu_info[choice].type & TYPE_SKIP_ENTRY)
2519       choice++;
2520
2521     if (position_set_by_scrollbar)
2522       first_entry = first_entry_store[mode] = dy;
2523     else
2524       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2525                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2526
2527     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2528
2529     if (choice < first_entry)
2530     {
2531       choice = first_entry;
2532
2533       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2534         choice++;
2535     }
2536     else if (choice > first_entry + num_page_entries - 1)
2537     {
2538       choice = first_entry + num_page_entries - 1;
2539
2540       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2541         choice--;
2542     }
2543
2544     choice_store[mode] = choice;
2545
2546     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2547
2548     return;
2549   }
2550   else if (button == MB_MENU_LEAVE)
2551   {
2552     PlaySound(SND_MENU_ITEM_SELECTING);
2553
2554     for (i = 0; i < max_page_entries; i++)
2555     {
2556       if (menu_info[i].type & TYPE_LEAVE_MENU)
2557       {
2558         void (*menu_callback_function)(void) = menu_info[i].value;
2559
2560         FadeSetLeaveMenu();
2561
2562         menu_callback_function();
2563
2564         break;  // absolutely needed because function changes 'menu_info'!
2565       }
2566     }
2567
2568     return;
2569   }
2570
2571   if (mx || my)         // mouse input
2572   {
2573     x = (mx - mSX) / 32;
2574     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2575   }
2576   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2577   {
2578     // move cursor instead of scrolling when already at start/end of list
2579     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2580       dy = -1;
2581     else if (dy == +1 * SCROLL_LINE &&
2582              first_entry + num_page_entries == max_page_entries)
2583       dy = 1;
2584
2585     // handle scrolling screen one line or page
2586     if (y + dy < 0 ||
2587         y + dy > num_page_entries - 1)
2588     {
2589       boolean redraw = FALSE;
2590
2591       if (ABS(dy) == SCROLL_PAGE)
2592         step = num_page_entries - 1;
2593
2594       if (dy < 0 && first_entry > 0)
2595       {
2596         // scroll page/line up
2597
2598         first_entry -= step;
2599         if (first_entry < 0)
2600           first_entry = 0;
2601
2602         redraw = TRUE;
2603       }
2604       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2605       {
2606         // scroll page/line down
2607
2608         first_entry += step;
2609         if (first_entry + num_page_entries > max_page_entries)
2610           first_entry = MAX(0, max_page_entries - num_page_entries);
2611
2612         redraw = TRUE;
2613       }
2614
2615       if (redraw)
2616       {
2617         choice += first_entry - first_entry_store[mode];
2618
2619         if (choice < first_entry)
2620         {
2621           choice = first_entry;
2622
2623           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2624             choice++;
2625         }
2626         else if (choice > first_entry + num_page_entries - 1)
2627         {
2628           choice = first_entry + num_page_entries - 1;
2629
2630           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2631             choice--;
2632         }
2633         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2634         {
2635           choice += SIGN(dy);
2636
2637           if (choice < first_entry ||
2638               choice > first_entry + num_page_entries - 1)
2639           first_entry += SIGN(dy);
2640         }
2641
2642         first_entry_store[mode] = first_entry;
2643         choice_store[mode] = choice;
2644
2645         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2646
2647         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2648
2649         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2650                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2651       }
2652
2653       return;
2654     }
2655
2656     if (dx)
2657     {
2658       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2659
2660       if (menu_info[choice].type & menu_navigation_type ||
2661           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2662           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2663           menu_info[choice].type & TYPE_PLAYER)
2664         button = MB_MENU_CHOICE;
2665     }
2666     else if (dy)
2667       y += dy;
2668
2669     // jump to next non-empty menu entry (up or down)
2670     while (first_entry + y > 0 &&
2671            first_entry + y < max_page_entries - 1 &&
2672            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2673       y += dy;
2674
2675     if (!IN_VIS_MENU(x, y))
2676     {
2677       choice += y - y_old;
2678
2679       if (choice < first_entry)
2680         first_entry = choice;
2681       else if (choice > first_entry + num_page_entries - 1)
2682         first_entry = choice - num_page_entries + 1;
2683
2684       if (first_entry >= 0 &&
2685           first_entry + num_page_entries <= max_page_entries)
2686       {
2687         first_entry_store[mode] = first_entry;
2688
2689         if (choice < first_entry)
2690           choice = first_entry;
2691         else if (choice > first_entry + num_page_entries - 1)
2692           choice = first_entry + num_page_entries - 1;
2693
2694         choice_store[mode] = choice;
2695
2696         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2697
2698         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2699
2700         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2701                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2702       }
2703
2704       return;
2705     }
2706   }
2707
2708   if (!anyScrollbarGadgetActive() &&
2709       IN_VIS_MENU(x, y) &&
2710       mx < mx_right_border &&
2711       y >= 0 && y < num_page_entries)
2712   {
2713     if (button)
2714     {
2715       if (first_entry + y != choice &&
2716           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2717       {
2718         PlaySound(SND_MENU_ITEM_ACTIVATING);
2719
2720         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2721         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2722
2723         choice = choice_store[mode] = first_entry + y;
2724       }
2725       else if (dx < 0)
2726       {
2727         PlaySound(SND_MENU_ITEM_SELECTING);
2728
2729         for (i = 0; menu_info[i].type != 0; i++)
2730         {
2731           if (menu_info[i].type & TYPE_LEAVE_MENU)
2732           {
2733             void (*menu_callback_function)(void) = menu_info[i].value;
2734
2735             FadeSetLeaveMenu();
2736
2737             menu_callback_function();
2738
2739             // absolutely needed because function changes 'menu_info'!
2740             break;
2741           }
2742         }
2743
2744         return;
2745       }
2746     }
2747     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2748     {
2749       PlaySound(SND_MENU_ITEM_SELECTING);
2750
2751       // when selecting key headline, execute function for key value change
2752       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2753           menu_info[first_entry + y + 1].type & TYPE_KEY)
2754         y++;
2755
2756       // when selecting string value, execute function for list selection
2757       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2758           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2759         y--;
2760
2761       // when selecting string value, execute function for text input gadget
2762       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2763           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2764         y--;
2765
2766       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2767       {
2768         void (*menu_callback_function)(void) =
2769           menu_info[first_entry + y].value;
2770
2771         FadeSetFromType(menu_info[first_entry + y].type);
2772
2773         menu_callback_function();
2774       }
2775       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2776       {
2777         void (*gadget_callback_function)(void) =
2778           menu_info[first_entry + y].value;
2779
2780         gadget_callback_function();
2781       }
2782       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2783                menu_info == setup_info)
2784       {
2785         changeSetupValue(y, first_entry + y, dx);
2786       }
2787     }
2788   }
2789 }
2790
2791 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2792 {
2793   menu_info = info_info;
2794
2795   HandleMenuScreen(mx, my, dx, dy, button,
2796                    info_mode, num_info_info, max_info_info);
2797 }
2798
2799 static int getMenuFontSpacing(int spacing_height, int font_nr)
2800 {
2801   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2802
2803   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2804           spacing_height);
2805 }
2806
2807 static int getMenuTextSpacing(int spacing_height, int font_nr)
2808 {
2809   return (getMenuFontSpacing(spacing_height, font_nr) +
2810           EXTRA_SPACING(game_status));
2811 }
2812
2813 static int getMenuTextStep(int spacing_height, int font_nr)
2814 {
2815   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2816 }
2817
2818 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2819 {
2820   int font_title = MENU_INFO_FONT_TITLE;
2821   int font_error = FONT_TEXT_2;
2822   int font_foot  = MENU_INFO_FONT_FOOT;
2823   int spacing_title = menu.headline1_spacing_info[info_mode];
2824   int ystep_title = getMenuTextStep(spacing_title, font_title);
2825   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2826   int ystart2 = ystart1 + ystep_title;
2827   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2828
2829   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2830
2831   FadeOut(REDRAW_FIELD);
2832
2833   ClearField();
2834   DrawHeadline();
2835
2836   DrawTextSCentered(ystart1, font_title, text_title);
2837   DrawTextSCentered(ystart2, font_error, text_error);
2838
2839   DrawTextSCentered(ybottom, font_foot,
2840                     "Press any key or button for info menu");
2841
2842   FadeIn(REDRAW_FIELD);
2843 }
2844
2845 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2846 {
2847   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2848   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2849   int font_title = MENU_INFO_FONT_TITLE;
2850   int font_foot  = MENU_INFO_FONT_FOOT;
2851   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2852   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2853   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2854   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2855   int ystep = MENU_SCREEN_INFO_YSTEP;
2856   int element, action, direction;
2857   int graphic;
2858   int delay;
2859   int sync_frame;
2860   int i, j;
2861
2862   if (init)
2863   {
2864     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2865       infoscreen_step[i] = infoscreen_frame[i] = 0;
2866
2867     ClearField();
2868     DrawHeadline();
2869
2870     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2871
2872     DrawTextSCentered(ybottom, font_foot,
2873                       "Press any key or button for next page");
2874
2875     FrameCounter = 0;
2876   }
2877
2878   i = j = 0;
2879   while (helpanim_info[j].element != HELPANIM_LIST_END)
2880   {
2881     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2882         i >= max_anims)
2883       break;
2884     else if (i < start)
2885     {
2886       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2887         j++;
2888
2889       j++;
2890       i++;
2891
2892       continue;
2893     }
2894
2895     j += infoscreen_step[i - start];
2896
2897     element = helpanim_info[j].element;
2898     action = helpanim_info[j].action;
2899     direction = helpanim_info[j].direction;
2900
2901     if (element < 0)
2902       element = EL_UNKNOWN;
2903
2904     if (action != -1 && direction != -1)
2905       graphic = el_act_dir2img(element, action, direction);
2906     else if (action != -1)
2907       graphic = el_act2img(element, action);
2908     else if (direction != -1)
2909       graphic = el_dir2img(element, direction);
2910     else
2911       graphic = el2img(element);
2912
2913     delay = helpanim_info[j++].delay;
2914
2915     if (delay == -1)
2916       delay = 1000000;
2917
2918     if (infoscreen_frame[i - start] == 0)
2919     {
2920       sync_frame = 0;
2921       infoscreen_frame[i - start] = delay - 1;
2922     }
2923     else
2924     {
2925       sync_frame = delay - infoscreen_frame[i - start];
2926       infoscreen_frame[i - start]--;
2927     }
2928
2929     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2930     {
2931       if (!infoscreen_frame[i - start])
2932         infoscreen_step[i - start] = 0;
2933     }
2934     else
2935     {
2936       if (!infoscreen_frame[i - start])
2937         infoscreen_step[i - start]++;
2938       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2939         j++;
2940     }
2941
2942     j++;
2943
2944     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2945                                TILEX, TILEY);
2946     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2947                                  graphic, sync_frame, USE_MASKING);
2948
2949     if (init)
2950       DrawInfoScreen_HelpText(element, action, direction, i - start);
2951
2952     i++;
2953   }
2954
2955   redraw_mask |= REDRAW_FIELD;
2956
2957   FrameCounter++;
2958 }
2959
2960 static char *getHelpText(int element, int action, int direction)
2961 {
2962   char token[MAX_LINE_LEN];
2963
2964   strcpy(token, element_info[element].token_name);
2965
2966   if (action != -1)
2967     strcat(token, element_action_info[action].suffix);
2968
2969   if (direction != -1)
2970     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2971
2972   return getHashEntry(helptext_info, token);
2973 }
2974
2975 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2976 {
2977   int font_nr = FONT_INFO_ELEMENTS;
2978   int font_width = getFontWidth(font_nr);
2979   int font_height = getFontHeight(font_nr);
2980   int yoffset = (TILEX - 2 * font_height) / 2;
2981   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2982   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2983   int ystep = TILEY + 4;
2984   int pad_left = xstart - SX;
2985   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2986   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2987   int max_lines_per_text = 2;
2988   char *text = NULL;
2989
2990   if (action != -1 && direction != -1)          // element.action.direction
2991     text = getHelpText(element, action, direction);
2992
2993   if (text == NULL && action != -1)             // element.action
2994     text = getHelpText(element, action, -1);
2995
2996   if (text == NULL && direction != -1)          // element.direction
2997     text = getHelpText(element, -1, direction);
2998
2999   if (text == NULL)                             // base element
3000     text = getHelpText(element, -1, -1);
3001
3002   if (text == NULL)                             // not found
3003     text = "No description available";
3004
3005   if (strlen(text) <= max_chars_per_line)       // only one line of text
3006     ystart += getFontHeight(font_nr) / 2;
3007
3008   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3009                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3010                  TRUE, FALSE, FALSE);
3011 }
3012
3013 static void DrawInfoScreen_TitleScreen(void)
3014 {
3015   SetGameStatus(GAME_MODE_TITLE);
3016
3017   DrawTitleScreen();
3018 }
3019
3020 void HandleInfoScreen_TitleScreen(int button)
3021 {
3022   HandleTitleScreen(0, 0, 0, 0, button);
3023 }
3024
3025 static void DrawInfoScreen_Elements(void)
3026 {
3027   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3028
3029   FadeOut(REDRAW_FIELD);
3030
3031   LoadHelpAnimInfo();
3032   LoadHelpTextInfo();
3033
3034   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3035
3036   FadeIn(REDRAW_FIELD);
3037 }
3038
3039 void HandleInfoScreen_Elements(int button)
3040 {
3041   static unsigned int info_delay = 0;
3042   static int num_anims;
3043   static int num_pages;
3044   static int page;
3045   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3046   int i;
3047
3048   if (button == MB_MENU_INITIALIZE)
3049   {
3050     boolean new_element = TRUE;
3051
3052     num_anims = 0;
3053
3054     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3055     {
3056       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3057         new_element = TRUE;
3058       else if (new_element)
3059       {
3060         num_anims++;
3061         new_element = FALSE;
3062       }
3063     }
3064
3065     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3066     page = 0;
3067   }
3068
3069   if (button == MB_MENU_LEAVE)
3070   {
3071     PlaySound(SND_MENU_ITEM_SELECTING);
3072
3073     info_mode = INFO_MODE_MAIN;
3074     DrawInfoScreen();
3075
3076     return;
3077   }
3078   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3079   {
3080     if (button != MB_MENU_INITIALIZE)
3081     {
3082       PlaySound(SND_MENU_ITEM_SELECTING);
3083
3084       page++;
3085     }
3086
3087     if (page >= num_pages)
3088     {
3089       FadeMenuSoundsAndMusic();
3090
3091       info_mode = INFO_MODE_MAIN;
3092       DrawInfoScreen();
3093
3094       return;
3095     }
3096
3097     if (page > 0)
3098       FadeSetNextScreen();
3099
3100     if (button != MB_MENU_INITIALIZE)
3101       FadeOut(REDRAW_FIELD);
3102
3103     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3104
3105     if (button != MB_MENU_INITIALIZE)
3106       FadeIn(REDRAW_FIELD);
3107   }
3108   else
3109   {
3110     if (DelayReached(&info_delay, GameFrameDelay))
3111       if (page < num_pages)
3112         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3113
3114     PlayMenuSoundIfLoop();
3115   }
3116 }
3117
3118 static void DrawInfoScreen_Music(void)
3119 {
3120   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3121
3122   FadeOut(REDRAW_FIELD);
3123
3124   ClearField();
3125   DrawHeadline();
3126
3127   LoadMusicInfo();
3128
3129   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3130
3131   FadeIn(REDRAW_FIELD);
3132 }
3133
3134 void HandleInfoScreen_Music(int button)
3135 {
3136   static struct MusicFileInfo *list = NULL;
3137   int font_title = MENU_INFO_FONT_TITLE;
3138   int font_head  = MENU_INFO_FONT_HEAD;
3139   int font_text  = MENU_INFO_FONT_TEXT;
3140   int font_foot  = MENU_INFO_FONT_FOOT;
3141   int spacing_title = menu.headline1_spacing_info[info_mode];
3142   int spacing_head  = menu.headline2_spacing_info[info_mode];
3143   int ystep_title = getMenuTextStep(spacing_title, font_title);
3144   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3145   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3146   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3147
3148   if (button == MB_MENU_INITIALIZE)
3149   {
3150     list = music_file_info;
3151
3152     if (list == NULL)
3153     {
3154       FadeMenuSoundsAndMusic();
3155
3156       ClearField();
3157       DrawHeadline();
3158
3159       DrawTextSCentered(ystart, font_title,
3160                         "No music info for this level set.");
3161
3162       DrawTextSCentered(ybottom, font_foot,
3163                         "Press any key or button for info menu");
3164
3165       return;
3166     }
3167   }
3168
3169   if (button == MB_MENU_LEAVE)
3170   {
3171     PlaySound(SND_MENU_ITEM_SELECTING);
3172
3173     FadeMenuSoundsAndMusic();
3174
3175     info_mode = INFO_MODE_MAIN;
3176     DrawInfoScreen();
3177
3178     return;
3179   }
3180   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3181   {
3182     if (button != MB_MENU_INITIALIZE)
3183     {
3184       PlaySound(SND_MENU_ITEM_SELECTING);
3185
3186       if (list != NULL)
3187         list = list->next;
3188     }
3189
3190     if (list == NULL)
3191     {
3192       FadeMenuSoundsAndMusic();
3193
3194       info_mode = INFO_MODE_MAIN;
3195       DrawInfoScreen();
3196
3197       return;
3198     }
3199
3200     FadeMenuSoundsAndMusic();
3201
3202     if (list != music_file_info)
3203       FadeSetNextScreen();
3204
3205     if (button != MB_MENU_INITIALIZE)
3206       FadeOut(REDRAW_FIELD);
3207
3208     ClearField();
3209     DrawHeadline();
3210
3211     if (list->is_sound)
3212     {
3213       int sound = list->music;
3214
3215       if (sound_info[sound].loop)
3216         PlaySoundLoop(sound);
3217       else
3218         PlaySound(sound);
3219
3220       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3221     }
3222     else
3223     {
3224       int music = list->music;
3225
3226       if (music_info[music].loop)
3227         PlayMusicLoop(music);
3228       else
3229         PlayMusic(music);
3230
3231       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3232     }
3233
3234     ystart += ystep_title;
3235
3236     if (!strEqual(list->title, UNKNOWN_NAME))
3237     {
3238       if (!strEqual(list->title_header, UNKNOWN_NAME))
3239       {
3240         DrawTextSCentered(ystart, font_head, list->title_header);
3241         ystart += ystep_head;
3242       }
3243
3244       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3245       ystart += ystep_head;
3246     }
3247
3248     if (!strEqual(list->artist, UNKNOWN_NAME))
3249     {
3250       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3251         DrawTextSCentered(ystart, font_head, list->artist_header);
3252       else
3253         DrawTextSCentered(ystart, font_head, "by");
3254
3255       ystart += ystep_head;
3256
3257       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3258       ystart += ystep_head;
3259     }
3260
3261     if (!strEqual(list->album, UNKNOWN_NAME))
3262     {
3263       if (!strEqual(list->album_header, UNKNOWN_NAME))
3264         DrawTextSCentered(ystart, font_head, list->album_header);
3265       else
3266         DrawTextSCentered(ystart, font_head, "from the album");
3267
3268       ystart += ystep_head;
3269
3270       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3271       ystart += ystep_head;
3272     }
3273
3274     if (!strEqual(list->year, UNKNOWN_NAME))
3275     {
3276       if (!strEqual(list->year_header, UNKNOWN_NAME))
3277         DrawTextSCentered(ystart, font_head, list->year_header);
3278       else
3279         DrawTextSCentered(ystart, font_head, "from the year");
3280
3281       ystart += ystep_head;
3282
3283       DrawTextFCentered(ystart, font_text, "%s", list->year);
3284       ystart += ystep_head;
3285     }
3286
3287     DrawTextSCentered(ybottom, FONT_TEXT_4,
3288                       "Press any key or button for next page");
3289
3290     if (button != MB_MENU_INITIALIZE)
3291       FadeIn(REDRAW_FIELD);
3292   }
3293
3294   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3295     PlaySoundLoop(list->music);
3296 }
3297
3298 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3299 {
3300   int font_title = MENU_INFO_FONT_TITLE;
3301   int font_head  = MENU_INFO_FONT_HEAD;
3302   int font_text  = MENU_INFO_FONT_TEXT;
3303   int font_foot  = MENU_INFO_FONT_FOOT;
3304   int spacing_title = menu.headline1_spacing_info[info_mode];
3305   int spacing_head  = menu.headline2_spacing_info[info_mode];
3306   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3307   int spacing_line  = menu.line_spacing_info[info_mode];
3308   int ystep_title = getMenuTextStep(spacing_title, font_title);
3309   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3310   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3311   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3312   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3313   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3314
3315   ClearField();
3316   DrawHeadline();
3317
3318   DrawTextSCentered(ystart, font_title, "Credits:");
3319   ystart += ystep_title;
3320
3321   if (screen_nr == 0)
3322   {
3323     DrawTextSCentered(ystart, font_head,
3324                       "Special thanks to");
3325     ystart += ystep_head;
3326     DrawTextSCentered(ystart, font_text,
3327                       "Peter Liepa");
3328     ystart += ystep_head;
3329     DrawTextSCentered(ystart, font_head,
3330                       "for creating");
3331     ystart += ystep_head;
3332     DrawTextSCentered(ystart, font_text,
3333                       "\"Boulder Dash\"");
3334     ystart += ystep_head;
3335     DrawTextSCentered(ystart, font_head,
3336                       "in the year");
3337     ystart += ystep_head;
3338     DrawTextSCentered(ystart, font_text,
3339                       "1984");
3340     ystart += ystep_head;
3341     DrawTextSCentered(ystart, font_head,
3342                       "published by");
3343     ystart += ystep_head;
3344     DrawTextSCentered(ystart, font_text,
3345                       "First Star Software");
3346   }
3347   else if (screen_nr == 1)
3348   {
3349     DrawTextSCentered(ystart, font_head,
3350                       "Special thanks to");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "Klaus Heinz & Volker Wertich");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "for creating");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "\"Emerald Mine\"");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "in the year");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "1987");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "published by");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "Kingsoft");
3372   }
3373   else if (screen_nr == 2)
3374   {
3375     DrawTextSCentered(ystart, font_head,
3376                       "Special thanks to");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "Michael Stopp & Philip Jespersen");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "for creating");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "\"Supaplex\"");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "in the year");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "1991");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_head,
3394                       "published by");
3395     ystart += ystep_head;
3396     DrawTextSCentered(ystart, font_text,
3397                       "Digital Integration");
3398   }
3399   else if (screen_nr == 3)
3400   {
3401     DrawTextSCentered(ystart, font_head,
3402                       "Special thanks to");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_text,
3405                       "Hiroyuki Imabayashi");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_head,
3408                       "for creating");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_text,
3411                       "\"Sokoban\"");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_head,
3414                       "in the year");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_text,
3417                       "1982");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_head,
3420                       "published by");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "Thinking Rabbit");
3424   }
3425   else if (screen_nr == 4)
3426   {
3427     DrawTextSCentered(ystart, font_head,
3428                       "Special thanks to");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_text,
3431                       "Alan Bond");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_head,
3434                       "and");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "J\xfcrgen Bonhagen");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "for the continuous creation");
3441     ystart += ystep_line;
3442     DrawTextSCentered(ystart, font_head,
3443                       "of outstanding level sets");
3444   }
3445   else if (screen_nr == 5)
3446   {
3447     DrawTextSCentered(ystart, font_head,
3448                       "Thanks to");
3449     ystart += ystep_head;
3450     DrawTextSCentered(ystart, font_text,
3451                       "Peter Elzner");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_head,
3454                       "for ideas and inspiration by");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_text,
3457                       "Diamond Caves");
3458     ystart += ystep_para;
3459
3460     DrawTextSCentered(ystart, font_head,
3461                       "Thanks to");
3462     ystart += ystep_head;
3463     DrawTextSCentered(ystart, font_text,
3464                       "Steffest");
3465     ystart += ystep_head;
3466     DrawTextSCentered(ystart, font_head,
3467                       "for ideas and inspiration by");
3468     ystart += ystep_head;
3469     DrawTextSCentered(ystart, font_text,
3470                       "DX-Boulderdash");
3471   }
3472   else if (screen_nr == 6)
3473   {
3474     DrawTextSCentered(ystart, font_head,
3475                       "Thanks to");
3476     ystart += ystep_head;
3477     DrawTextSCentered(ystart, font_text,
3478                       "David Tritscher");
3479     ystart += ystep_head;
3480     DrawTextSCentered(ystart, font_head,
3481                       "for the code base used for the");
3482     ystart += ystep_line;
3483     DrawTextSCentered(ystart, font_head,
3484                       "native Emerald Mine engine");
3485   }
3486   else if (screen_nr == 7)
3487   {
3488     DrawTextSCentered(ystart, font_head,
3489                       "Thanks to");
3490     ystart += ystep_head;
3491     DrawTextSCentered(ystart, font_text,
3492                       "Guido Schulz");
3493     ystart += ystep_head;
3494     DrawTextSCentered(ystart, font_head,
3495                       "for the initial DOS port");
3496     ystart += ystep_para;
3497
3498     DrawTextSCentered(ystart, font_head,
3499                       "Thanks to");
3500     ystart += ystep_head;
3501     DrawTextSCentered(ystart, font_text,
3502                       "Karl H\xf6rnell");
3503     ystart += ystep_head;
3504     DrawTextSCentered(ystart, font_head,
3505                       "for some additional toons");
3506   }
3507   else if (screen_nr == 8)
3508   {
3509     DrawTextSCentered(ystart, font_head,
3510                       "And not to forget:");
3511     ystart += ystep_head;
3512     DrawTextSCentered(ystart, font_head,
3513                       "Many thanks to");
3514     ystart += ystep_head;
3515     DrawTextSCentered(ystart, font_text,
3516                       "All those who contributed");
3517     ystart += ystep_line;
3518     DrawTextSCentered(ystart, font_text,
3519                       "levels to this game");
3520     ystart += ystep_line;
3521     DrawTextSCentered(ystart, font_text,
3522                       "since 1995");
3523   }
3524
3525   DrawTextSCentered(ybottom, font_foot,
3526                     "Press any key or button for next page");
3527 }
3528
3529 static void DrawInfoScreen_Credits(void)
3530 {
3531   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3532
3533   FadeMenuSoundsAndMusic();
3534
3535   FadeOut(REDRAW_FIELD);
3536
3537   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3538
3539   FadeIn(REDRAW_FIELD);
3540 }
3541
3542 void HandleInfoScreen_Credits(int button)
3543 {
3544   static int screen_nr = 0;
3545   int num_screens = 9;
3546
3547   if (button == MB_MENU_INITIALIZE)
3548   {
3549     screen_nr = 0;
3550
3551     // DrawInfoScreen_CreditsScreen(screen_nr);
3552   }
3553
3554   if (button == MB_MENU_LEAVE)
3555   {
3556     PlaySound(SND_MENU_ITEM_SELECTING);
3557
3558     info_mode = INFO_MODE_MAIN;
3559     DrawInfoScreen();
3560
3561     return;
3562   }
3563   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3564   {
3565     if (button != MB_MENU_INITIALIZE)
3566     {
3567       PlaySound(SND_MENU_ITEM_SELECTING);
3568
3569       screen_nr++;
3570     }
3571
3572     if (screen_nr >= num_screens)
3573     {
3574       FadeMenuSoundsAndMusic();
3575
3576       info_mode = INFO_MODE_MAIN;
3577       DrawInfoScreen();
3578
3579       return;
3580     }
3581
3582     if (screen_nr > 0)
3583       FadeSetNextScreen();
3584
3585     if (button != MB_MENU_INITIALIZE)
3586       FadeOut(REDRAW_FIELD);
3587
3588     DrawInfoScreen_CreditsScreen(screen_nr);
3589
3590     if (button != MB_MENU_INITIALIZE)
3591       FadeIn(REDRAW_FIELD);
3592   }
3593   else
3594   {
3595     PlayMenuSoundIfLoop();
3596   }
3597 }
3598
3599 static void DrawInfoScreen_Program(void)
3600 {
3601   int font_title = MENU_INFO_FONT_TITLE;
3602   int font_head  = MENU_INFO_FONT_HEAD;
3603   int font_text  = MENU_INFO_FONT_TEXT;
3604   int font_foot  = MENU_INFO_FONT_FOOT;
3605   int spacing_title = menu.headline1_spacing_info[info_mode];
3606   int spacing_head  = menu.headline2_spacing_info[info_mode];
3607   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3608   int spacing_line  = menu.line_spacing_info[info_mode];
3609   int ystep_title = getMenuTextStep(spacing_title, font_title);
3610   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3611   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3612   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3613   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3614   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3615
3616   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3617
3618   FadeOut(REDRAW_FIELD);
3619
3620   ClearField();
3621   DrawHeadline();
3622
3623   DrawTextSCentered(ystart, font_title, "Program Information:");
3624   ystart += ystep_title;
3625
3626   DrawTextSCentered(ystart, font_head,
3627                     "This game is Freeware!");
3628   ystart += ystep_head;
3629   DrawTextSCentered(ystart, font_head,
3630                     "If you like it, send e-mail to:");
3631   ystart += ystep_head;
3632   DrawTextSCentered(ystart, font_text,
3633                     setup.internal.program_email);
3634   ystart += ystep_para;
3635
3636   DrawTextSCentered(ystart, font_head,
3637                     "More information and levels:");
3638   ystart += ystep_head;
3639   DrawTextSCentered(ystart, font_text,
3640                     setup.internal.program_website);
3641   ystart += ystep_para;
3642
3643   DrawTextSCentered(ystart, font_head,
3644                     "If you have created new levels,");
3645   ystart += ystep_line;
3646   DrawTextSCentered(ystart, font_head,
3647                     "send them to me to include them!");
3648   ystart += ystep_head;
3649   DrawTextSCentered(ystart, font_head,
3650                     ":-)");
3651
3652   DrawTextSCentered(ybottom, font_foot,
3653                     "Press any key or button for info menu");
3654
3655   FadeIn(REDRAW_FIELD);
3656 }
3657
3658 void HandleInfoScreen_Program(int button)
3659 {
3660   if (button == MB_MENU_LEAVE)
3661   {
3662     PlaySound(SND_MENU_ITEM_SELECTING);
3663
3664     info_mode = INFO_MODE_MAIN;
3665     DrawInfoScreen();
3666
3667     return;
3668   }
3669   else if (button == MB_MENU_CHOICE)
3670   {
3671     PlaySound(SND_MENU_ITEM_SELECTING);
3672
3673     FadeMenuSoundsAndMusic();
3674
3675     info_mode = INFO_MODE_MAIN;
3676     DrawInfoScreen();
3677   }
3678   else
3679   {
3680     PlayMenuSoundIfLoop();
3681   }
3682 }
3683
3684 static void DrawInfoScreen_Version(void)
3685 {
3686   int font_title = MENU_INFO_FONT_TITLE;
3687   int font_head  = MENU_INFO_FONT_HEAD;
3688   int font_text  = MENU_INFO_FONT_TEXT;
3689   int font_foot  = MENU_INFO_FONT_FOOT;
3690   int spacing_title = menu.headline1_spacing_info[info_mode];
3691   int spacing_head  = menu.headline2_spacing_info[info_mode];
3692   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3693   int spacing_line  = menu.line_spacing_info[info_mode];
3694   int xstep = getFontWidth(font_text);
3695   int ystep_title = getMenuTextStep(spacing_title, font_title);
3696   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3697   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3698   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3699   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3700   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3701   int xstart1 = mSX - SX + 2 * xstep;
3702   int xstart2 = mSX - SX + 18 * xstep;
3703   int xstart3 = mSX - SX + 28 * xstep;
3704   SDL_version sdl_version_compiled;
3705   const SDL_version *sdl_version_linked;
3706   int driver_name_len = 10;
3707   SDL_version sdl_version_linked_ext;
3708   const char *driver_name = NULL;
3709
3710   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3711
3712   FadeOut(REDRAW_FIELD);
3713
3714   ClearField();
3715   DrawHeadline();
3716
3717   DrawTextSCentered(ystart, font_title, "Version Information:");
3718   ystart += ystep_title;
3719
3720   DrawTextF(xstart1, ystart, font_head, "Name");
3721   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3722   ystart += ystep_line;
3723
3724   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3725   {
3726     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3727     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3728     ystart += ystep_line;
3729
3730     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3731     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3732     ystart += ystep_line;
3733   }
3734   else
3735   {
3736     DrawTextF(xstart1, ystart, font_head, "Version");
3737     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3738     ystart += ystep_line;
3739   }
3740
3741   DrawTextF(xstart1, ystart, font_head, "Platform");
3742   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3743             PLATFORM_STRING,
3744             PLATFORM_XX_BIT_STRING);
3745   ystart += ystep_line;
3746
3747   DrawTextF(xstart1, ystart, font_head, "Target");
3748   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3749   ystart += ystep_line;
3750
3751   DrawTextF(xstart1, ystart, font_head, "Source date");
3752   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3753   ystart += ystep_line;
3754
3755   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3756   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3757   ystart += ystep_para;
3758
3759   DrawTextF(xstart1, ystart, font_head, "Library");
3760   DrawTextF(xstart2, ystart, font_head, "compiled");
3761   DrawTextF(xstart3, ystart, font_head, "linked");
3762   ystart += ystep_head;
3763
3764   SDL_VERSION(&sdl_version_compiled);
3765   SDL_GetVersion(&sdl_version_linked_ext);
3766   sdl_version_linked = &sdl_version_linked_ext;
3767
3768   DrawTextF(xstart1, ystart, font_text, "SDL");
3769   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3770             sdl_version_compiled.major,
3771             sdl_version_compiled.minor,
3772             sdl_version_compiled.patch);
3773   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3774             sdl_version_linked->major,
3775             sdl_version_linked->minor,
3776             sdl_version_linked->patch);
3777   ystart += ystep_line;
3778
3779   SDL_IMAGE_VERSION(&sdl_version_compiled);
3780   sdl_version_linked = IMG_Linked_Version();
3781
3782   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3783   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3784             sdl_version_compiled.major,
3785             sdl_version_compiled.minor,
3786             sdl_version_compiled.patch);
3787   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3788             sdl_version_linked->major,
3789             sdl_version_linked->minor,
3790             sdl_version_linked->patch);
3791   ystart += ystep_line;
3792
3793   SDL_MIXER_VERSION(&sdl_version_compiled);
3794   sdl_version_linked = Mix_Linked_Version();
3795
3796   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3797   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3798             sdl_version_compiled.major,
3799             sdl_version_compiled.minor,
3800             sdl_version_compiled.patch);
3801   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3802             sdl_version_linked->major,
3803             sdl_version_linked->minor,
3804             sdl_version_linked->patch);
3805   ystart += ystep_line;
3806
3807   SDL_NET_VERSION(&sdl_version_compiled);
3808   sdl_version_linked = SDLNet_Linked_Version();
3809
3810   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3811   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3812             sdl_version_compiled.major,
3813             sdl_version_compiled.minor,
3814             sdl_version_compiled.patch);
3815   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3816             sdl_version_linked->major,
3817             sdl_version_linked->minor,
3818             sdl_version_linked->patch);
3819   ystart += ystep_para;
3820
3821   DrawTextF(xstart1, ystart, font_head, "Driver");
3822   DrawTextF(xstart2, ystart, font_head, "Requested");
3823   DrawTextF(xstart3, ystart, font_head, "Used");
3824   ystart += ystep_head;
3825
3826   driver_name =
3827     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3828
3829   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3830   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3831   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3832   ystart += ystep_line;
3833
3834   driver_name =
3835     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3836
3837   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3838   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3839   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3840   ystart += ystep_line;
3841
3842   driver_name =
3843     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3844
3845   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3846   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3847   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3848
3849   DrawTextSCentered(ybottom, font_foot,
3850                     "Press any key or button for info menu");
3851
3852   FadeIn(REDRAW_FIELD);
3853 }
3854
3855 void HandleInfoScreen_Version(int button)
3856 {
3857   if (button == MB_MENU_LEAVE)
3858   {
3859     PlaySound(SND_MENU_ITEM_SELECTING);
3860
3861     info_mode = INFO_MODE_MAIN;
3862     DrawInfoScreen();
3863
3864     return;
3865   }
3866   else if (button == MB_MENU_CHOICE)
3867   {
3868     PlaySound(SND_MENU_ITEM_SELECTING);
3869
3870     FadeMenuSoundsAndMusic();
3871
3872     info_mode = INFO_MODE_MAIN;
3873     DrawInfoScreen();
3874   }
3875   else
3876   {
3877     PlayMenuSoundIfLoop();
3878   }
3879 }
3880
3881 static void DrawInfoScreen_LevelSet(void)
3882 {
3883   struct TitleMessageInfo *tmi = &readme;
3884   char *filename = getLevelSetInfoFilename();
3885   char *title = "Level Set Information:";
3886   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3887   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3888
3889   if (filename == NULL)
3890   {
3891     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3892
3893     return;
3894   }
3895
3896   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3897
3898   FadeOut(REDRAW_FIELD);
3899
3900   ClearField();
3901   DrawHeadline();
3902
3903   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3904
3905   // if x position set to "-1", automatically determine by playfield width
3906   if (tmi->x == -1)
3907     tmi->x = SXSIZE / 2;
3908
3909   // if y position set to "-1", use static default value
3910   if (tmi->y == -1)
3911     tmi->y = 150;
3912
3913   // if width set to "-1", automatically determine by playfield width
3914   if (tmi->width == -1)
3915     tmi->width = SXSIZE - 2 * TILEX;
3916
3917   // if height set to "-1", automatically determine by playfield height
3918   if (tmi->height == -1)
3919     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3920
3921   // if chars set to "-1", automatically determine by text and font width
3922   if (tmi->chars == -1)
3923     tmi->chars = tmi->width / getFontWidth(tmi->font);
3924   else
3925     tmi->width = tmi->chars * getFontWidth(tmi->font);
3926
3927   // if lines set to "-1", automatically determine by text and font height
3928   if (tmi->lines == -1)
3929     tmi->lines = tmi->height / getFontHeight(tmi->font);
3930   else
3931     tmi->height = tmi->lines * getFontHeight(tmi->font);
3932
3933   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3934                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3935                tmi->autowrap, tmi->centered, tmi->parse_comments);
3936
3937   DrawTextSCentered(ybottom, FONT_TEXT_4,
3938                     "Press any key or button for info menu");
3939
3940   FadeIn(REDRAW_FIELD);
3941 }
3942
3943 static void HandleInfoScreen_LevelSet(int button)
3944 {
3945   if (button == MB_MENU_LEAVE)
3946   {
3947     PlaySound(SND_MENU_ITEM_SELECTING);
3948
3949     info_mode = INFO_MODE_MAIN;
3950     DrawInfoScreen();
3951
3952     return;
3953   }
3954   else if (button == MB_MENU_CHOICE)
3955   {
3956     PlaySound(SND_MENU_ITEM_SELECTING);
3957
3958     FadeMenuSoundsAndMusic();
3959
3960     info_mode = INFO_MODE_MAIN;
3961     DrawInfoScreen();
3962   }
3963   else
3964   {
3965     PlayMenuSoundIfLoop();
3966   }
3967 }
3968
3969 static void DrawInfoScreen(void)
3970 {
3971   if (info_mode == INFO_MODE_TITLE)
3972     DrawInfoScreen_TitleScreen();
3973   else if (info_mode == INFO_MODE_ELEMENTS)
3974     DrawInfoScreen_Elements();
3975   else if (info_mode == INFO_MODE_MUSIC)
3976     DrawInfoScreen_Music();
3977   else if (info_mode == INFO_MODE_CREDITS)
3978     DrawInfoScreen_Credits();
3979   else if (info_mode == INFO_MODE_PROGRAM)
3980     DrawInfoScreen_Program();
3981   else if (info_mode == INFO_MODE_VERSION)
3982     DrawInfoScreen_Version();
3983   else if (info_mode == INFO_MODE_LEVELSET)
3984     DrawInfoScreen_LevelSet();
3985   else
3986     DrawInfoScreen_Main();
3987
3988   if (info_mode != INFO_MODE_MAIN &&
3989       info_mode != INFO_MODE_TITLE &&
3990       info_mode != INFO_MODE_MUSIC)
3991     PlayMenuSoundsAndMusic();
3992 }
3993
3994 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3995 {
3996   if (info_mode == INFO_MODE_TITLE)
3997     HandleInfoScreen_TitleScreen(button);
3998   else if (info_mode == INFO_MODE_ELEMENTS)
3999     HandleInfoScreen_Elements(button);
4000   else if (info_mode == INFO_MODE_MUSIC)
4001     HandleInfoScreen_Music(button);
4002   else if (info_mode == INFO_MODE_CREDITS)
4003     HandleInfoScreen_Credits(button);
4004   else if (info_mode == INFO_MODE_PROGRAM)
4005     HandleInfoScreen_Program(button);
4006   else if (info_mode == INFO_MODE_VERSION)
4007     HandleInfoScreen_Version(button);
4008   else if (info_mode == INFO_MODE_LEVELSET)
4009     HandleInfoScreen_LevelSet(button);
4010   else
4011     HandleInfoScreen_Main(mx, my, dx, dy, button);
4012 }
4013
4014
4015 // ============================================================================
4016 // type name functions
4017 // ============================================================================
4018
4019 static TreeInfo *type_name_node = NULL;
4020 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4021 static int type_name_nr = 0;
4022
4023 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4024                               boolean active)
4025 {
4026   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4027   int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4028   int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4029   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4030   int font_width = getFontWidth(font_nr);
4031
4032   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4033
4034   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4035
4036   pos->width = strlen(text) * font_width;
4037   sx = mSX + ALIGNED_TEXT_XPOS(pos);
4038
4039   DrawText(sx, sy, text, font_nr);
4040 }
4041
4042 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4043 {
4044   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4045
4046   *pos = *mci->pos_input;
4047
4048   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4049   {
4050     TreeInfo *ti = player_name_current;
4051     int first_entry = ti->cl_first;
4052     int entry_pos = first_entry + ti->cl_cursor;
4053     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4054     int xpos = MENU_SCREEN_START_XPOS;
4055     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4056     int font_width = getFontWidth(pos->font);
4057
4058     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4059     type_name_nr = entry_pos;
4060
4061     strcpy(name, type_name_node->name);
4062
4063     pos->x = xpos * font_width;
4064     pos->y = ypos * font_width;
4065     pos->width = MAX_PLAYER_NAME_LEN * font_width;
4066   }
4067   else
4068   {
4069     type_name_nr = user.nr;
4070
4071     strcpy(name, setup.player_name);
4072   }
4073
4074   strcpy(type_name_last, name);
4075
4076   if (strEqual(name, EMPTY_PLAYER_NAME))
4077     strcpy(name, "");
4078
4079   *xpos = strlen(name);
4080 }
4081
4082 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4083 {
4084   // change name of edited user in global list of user names
4085   setString(&global.user_names[type_name_nr], name);
4086
4087   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4088   {
4089     TreeInfo *node = type_name_node;
4090
4091     // change name of edited user in local menu tree structure
4092     setString(&node->name, name);
4093     setString(&node->name_sorting, name);
4094
4095     node->color = (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4096     pos->font = (node->color == FC_RED ? FONT_INPUT_1 : FONT_VALUE_OLD);
4097   }
4098 }
4099
4100 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4101                               boolean changed)
4102 {
4103   boolean reset_setup = strEqual(name, "");
4104   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4105
4106   if (!changed)
4107     strcpy(name, type_name_last);
4108
4109   if (strEqual(name, ""))
4110     strcpy(name, EMPTY_PLAYER_NAME);
4111
4112   // if player name not changed, no further action required
4113   if (strEqual(name, type_name_last))
4114     return;
4115
4116   setTypeNameValues_Name(name, pos);
4117
4118   // redraw player name before (possibly) opening request dialogs
4119   drawTypeNameText(name, pos, FALSE);
4120
4121   int last_user_nr = user.nr;
4122
4123   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4124   {
4125     // save setup of currently active user (may differ from edited user)
4126     SaveSetup();
4127
4128     // temporarily change active user to edited user
4129     user.nr = type_name_nr;
4130
4131     // load setup of edited user
4132     LoadSetup();
4133   }
4134
4135   // change name of edited user in setup structure
4136   strcpy(setup.player_name, name);
4137
4138   // save setup of edited user
4139   SaveSetup();
4140
4141   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4142   {
4143     if (reset_setup)
4144     {
4145       if (Request("Reset setup values for this player?", REQ_ASK))
4146       {
4147         // remove setup config file
4148         unlink(getSetupFilename());
4149
4150         // set player name to default player name
4151         LoadSetup();
4152
4153         // update player name used by name typing functions
4154         strcpy(name, setup.player_name);
4155
4156         setTypeNameValues_Name(name, pos);
4157
4158         Request("Setup values reset to default values!", REQ_CONFIRM);
4159       }
4160     }
4161     else if (remove_user && type_name_nr != 0)
4162     {
4163       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4164       {
4165         char *user_dir = getUserGameDataDir();
4166         char *user_dir_removed =
4167           getStringCat3WithSeparator(user_dir, "REMOVED",
4168                                      getCurrentTimestamp(), ".");
4169
4170         if (rename(user_dir, user_dir_removed) == 0)
4171           Request("Player settings and tapes removed!", REQ_CONFIRM);
4172         else
4173           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4174
4175         checked_free(user_dir_removed);
4176       }
4177     }
4178
4179     // restore currently active user
4180     user.nr = last_user_nr;
4181
4182     // restore setup of currently active user
4183     LoadSetup();
4184   }
4185 }
4186
4187 static void HandleTypeNameExt(boolean initialize, Key key)
4188 {
4189   static struct TextPosInfo pos_name = { 0 };
4190   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4191   static int xpos = 0;
4192   struct TextPosInfo *pos = &pos_name;
4193   char key_char = getValidConfigValueChar(getCharFromKey(key));
4194   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4195   boolean active = TRUE;
4196
4197   if (initialize)
4198   {
4199     getTypeNameValues(name, pos, &xpos);
4200
4201     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4202     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4203
4204     StartTextInput(sx, sy, pos->width, pos->height);
4205   }
4206   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4207   {
4208     name[xpos] = key_char;
4209     name[xpos + 1] = 0;
4210
4211     xpos++;
4212   }
4213   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4214   {
4215     xpos--;
4216
4217     name[xpos] = 0;
4218   }
4219   else if (key == KSYM_Return)
4220   {
4221     setTypeNameValues(name, pos, TRUE);
4222
4223     active = FALSE;
4224   }
4225   else if (key == KSYM_Escape)
4226   {
4227     setTypeNameValues(name, pos, FALSE);
4228
4229     active = FALSE;
4230   }
4231
4232   drawTypeNameText(name, pos, active);
4233
4234   if (!active)
4235   {
4236     StopTextInput();
4237
4238     SetGameStatus(game_status_last_screen);
4239
4240     if (game_status == GAME_MODE_MAIN)
4241       InitializeMainControls();
4242   }
4243 }
4244
4245 static void DrawTypeName(void)
4246 {
4247   HandleTypeNameExt(TRUE, 0);
4248 }
4249
4250 void HandleTypeName(Key key)
4251 {
4252   HandleTypeNameExt(FALSE, key);
4253 }
4254
4255
4256 // ============================================================================
4257 // tree menu functions
4258 // ============================================================================
4259
4260 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4261 {
4262   if (game_status != GAME_MODE_SETUP ||
4263       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4264     return 0;
4265
4266   int max_text_size = 0;
4267   TreeInfo *node;
4268
4269   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4270     max_text_size = MAX(max_text_size, strlen(node->name));
4271
4272   int num_entries = numTreeInfoInGroup(ti);
4273   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4274   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4275   int button_width = SC_MENUBUTTON_XSIZE;
4276   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4277   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4278   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4279   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4280   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4281   int align_xoffset = MAX(0, align_xoffset_raw);
4282
4283   return align_xoffset;
4284 }
4285
4286 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4287 {
4288   if (game_status != GAME_MODE_SETUP ||
4289       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4290     return 0;
4291
4292   int num_entries = numTreeInfoInGroup(ti);
4293   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4294   int font_height = getFontHeight(FONT_TEXT_1);
4295   int text_height = font_height * num_page_entries;
4296   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4297   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4298   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4299   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4300   int align_yoffset = MAX(0, align_yoffset_raw);
4301
4302   return align_yoffset;
4303 }
4304
4305 static void DrawChooseTree(TreeInfo **ti_ptr)
4306 {
4307   int fade_mask = REDRAW_FIELD;
4308
4309   if (CheckFadeAll())
4310     fade_mask = REDRAW_ALL;
4311
4312   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4313   {
4314     SetGameStatus(GAME_MODE_MAIN);
4315
4316     DrawMainMenu();
4317
4318     return;
4319   }
4320
4321   UnmapAllGadgets();
4322
4323   FreeScreenGadgets();
4324   CreateScreenGadgets();
4325
4326   FadeOut(fade_mask);
4327
4328   // needed if different viewport properties defined for choosing level (set)
4329   ChangeViewportPropertiesIfNeeded();
4330
4331   if (game_status == GAME_MODE_NAMES)
4332     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4333   else if (game_status == GAME_MODE_LEVELNR)
4334     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4335   else if (game_status == GAME_MODE_LEVELS)
4336     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4337
4338   ClearField();
4339
4340   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4341
4342   MapScreenTreeGadgets(*ti_ptr);
4343   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4344
4345   DrawMaskedBorder(fade_mask);
4346
4347   FadeIn(fade_mask);
4348 }
4349
4350 static void drawChooseTreeList(int first_entry, int num_page_entries,
4351                                TreeInfo *ti)
4352 {
4353   int num_entries = numTreeInfoInGroup(ti);
4354   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4355   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4356   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4357   int font_nr = FONT_TEXT_1;
4358   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4359   int i;
4360   char *title_string = NULL;
4361   int yoffset_sets = MENU_TITLE1_YPOS;
4362   int yoffset_setup = 16;
4363   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4364                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4365
4366   title_string = ti->infotext;
4367
4368   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4369
4370   clearMenuListArea();
4371
4372   for (i = 0; i < num_page_entries; i++)
4373   {
4374     TreeInfo *node, *node_first;
4375     int entry_pos = first_entry + i;
4376     int xpos = MENU_SCREEN_START_XPOS;
4377     int ypos = MENU_SCREEN_START_YPOS + i;
4378     int startx = amSX + xpos * 32;
4379     int starty = amSY + ypos * 32;
4380     int startx_text = startx + font_xoffset;
4381     int endx_text = amSX + screen_width;
4382     int max_text_size = endx_text - startx_text;
4383     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4384     char buffer[max_buffer_len + 1];
4385
4386     node_first = getTreeInfoFirstGroupEntry(ti);
4387     node = getTreeInfoFromPos(node_first, entry_pos);
4388
4389     strncpy(buffer, node->name, max_buffer_len);
4390     buffer[max_buffer_len] = '\0';
4391
4392     DrawText(startx, starty, buffer, font_nr + node->color);
4393
4394     if (node->parent_link)
4395       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4396     else if (node->level_group)
4397       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4398     else
4399       initCursor(i, IMG_MENU_BUTTON);
4400
4401     if (game_status == GAME_MODE_NAMES)
4402       drawChooseTreeEdit(i, FALSE);
4403   }
4404
4405   redraw_mask |= REDRAW_FIELD;
4406 }
4407
4408 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4409 {
4410   TreeInfo *node, *node_first;
4411   int x, last_redraw_mask = redraw_mask;
4412   int ypos = MENU_TITLE2_YPOS;
4413   int font_nr = FONT_TITLE_2;
4414
4415   if (ti->type == TREE_TYPE_LEVEL_NR)
4416     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4417
4418   if (ti->type != TREE_TYPE_LEVEL_DIR)
4419     return;
4420
4421   node_first = getTreeInfoFirstGroupEntry(ti);
4422   node = getTreeInfoFromPos(node_first, entry_pos);
4423
4424   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4425
4426   if (node->parent_link)
4427     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4428                       node->node_parent->name);
4429   else if (node->level_group)
4430     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4431                       node->name);
4432   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4433     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4434                       node->levels, (node->levels > 1 ? "levels" : "level"),
4435                       node->class_desc);
4436
4437   // let BackToFront() redraw only what is needed
4438   redraw_mask = last_redraw_mask;
4439   for (x = 0; x < SCR_FIELDX; x++)
4440     MarkTileDirty(x, 1);
4441 }
4442
4443 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4444                              TreeInfo **ti_ptr)
4445 {
4446   TreeInfo *ti = *ti_ptr;
4447   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4448   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4449   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4450   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4451   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4452   int x = 0;
4453   int y = ti->cl_cursor;
4454   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4455   int num_entries = numTreeInfoInGroup(ti);
4456   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4457   boolean position_set_by_scrollbar = (dx == 999);
4458
4459   if (button == MB_MENU_INITIALIZE)
4460   {
4461     int num_entries = numTreeInfoInGroup(ti);
4462     int entry_pos = getPosFromTreeInfo(ti);
4463
4464     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4465     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4466
4467     if (ti->cl_first == -1)
4468     {
4469       // only on initialization
4470       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4471       ti->cl_cursor = entry_pos - ti->cl_first;
4472     }
4473     else if (ti->cl_cursor >= num_page_entries ||
4474              (num_entries > num_page_entries &&
4475               num_entries - ti->cl_first < num_page_entries))
4476     {
4477       // only after change of list size (by custom graphic configuration)
4478       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4479       ti->cl_cursor = entry_pos - ti->cl_first;
4480     }
4481
4482     if (position_set_by_scrollbar)
4483       ti->cl_first = dy;
4484     else
4485       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4486                                 ti->cl_first, ti);
4487
4488     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4489     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4490     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4491
4492     return;
4493   }
4494   else if (button == MB_MENU_LEAVE)
4495   {
4496     FadeSetLeaveMenu();
4497
4498     PlaySound(SND_MENU_ITEM_SELECTING);
4499
4500     if (ti->node_parent)
4501     {
4502       *ti_ptr = ti->node_parent;
4503       DrawChooseTree(ti_ptr);
4504     }
4505     else if (game_status == GAME_MODE_SETUP)
4506     {
4507       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4508           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4509           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4510         execSetupGame();
4511       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4512                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4513                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4514                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4515         execSetupGraphics();
4516       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4517                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4518                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4519         execSetupSound();
4520       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4521                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4522                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4523                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4524                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4525                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4526                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4527                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4528         execSetupTouch();
4529       else
4530         execSetupArtwork();
4531     }
4532     else
4533     {
4534       if (game_status == GAME_MODE_LEVELNR)
4535       {
4536         int new_level_nr = atoi(level_number_current->identifier);
4537
4538         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4539       }
4540
4541       SetGameStatus(GAME_MODE_MAIN);
4542
4543       DrawMainMenu();
4544     }
4545
4546     return;
4547   }
4548
4549   if (mx || my)         // mouse input
4550   {
4551     x = (mx - amSX) / 32;
4552     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4553
4554     if (game_status == GAME_MODE_NAMES)
4555       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4556   }
4557   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4558   {
4559     // move cursor instead of scrolling when already at start/end of list
4560     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4561       dy = -1;
4562     else if (dy == +1 * SCROLL_LINE &&
4563              ti->cl_first + num_page_entries == num_entries)
4564       dy = 1;
4565
4566     // handle scrolling screen one line or page
4567     if (ti->cl_cursor + dy < 0 ||
4568         ti->cl_cursor + dy > num_page_entries - 1)
4569     {
4570       boolean redraw = FALSE;
4571
4572       if (ABS(dy) == SCROLL_PAGE)
4573         step = num_page_entries - 1;
4574
4575       if (dy < 0 && ti->cl_first > 0)
4576       {
4577         // scroll page/line up
4578
4579         ti->cl_first -= step;
4580         if (ti->cl_first < 0)
4581           ti->cl_first = 0;
4582
4583         redraw = TRUE;
4584       }
4585       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4586       {
4587         // scroll page/line down
4588
4589         ti->cl_first += step;
4590         if (ti->cl_first + num_page_entries > num_entries)
4591           ti->cl_first = MAX(0, num_entries - num_page_entries);
4592
4593         redraw = TRUE;
4594       }
4595
4596       if (redraw)
4597       {
4598         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4599         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4600         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4601
4602         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4603                                   ti->cl_first, ti);
4604       }
4605
4606       return;
4607     }
4608
4609     // handle moving cursor one line
4610     y = ti->cl_cursor + dy;
4611   }
4612
4613   if (dx == 1)
4614   {
4615     TreeInfo *node_first, *node_cursor;
4616     int entry_pos = ti->cl_first + y;
4617
4618     node_first = getTreeInfoFirstGroupEntry(ti);
4619     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4620
4621     if (node_cursor->node_group)
4622     {
4623       FadeSetEnterMenu();
4624
4625       PlaySound(SND_MENU_ITEM_SELECTING);
4626
4627       node_cursor->cl_first = ti->cl_first;
4628       node_cursor->cl_cursor = ti->cl_cursor;
4629       *ti_ptr = node_cursor->node_group;
4630       DrawChooseTree(ti_ptr);
4631
4632       return;
4633     }
4634   }
4635   else if (dx == -1 && ti->node_parent)
4636   {
4637     FadeSetLeaveMenu();
4638
4639     PlaySound(SND_MENU_ITEM_SELECTING);
4640
4641     *ti_ptr = ti->node_parent;
4642     DrawChooseTree(ti_ptr);
4643
4644     return;
4645   }
4646
4647   if (!anyScrollbarGadgetActive() &&
4648       IN_VIS_MENU(x, y) &&
4649       mx < mx_right_border &&
4650       y >= 0 && y < num_page_entries)
4651   {
4652     if (button)
4653     {
4654       if (game_status == GAME_MODE_NAMES)
4655       {
4656         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4657           drawChooseTreeEdit(y, TRUE);
4658       }
4659
4660       if (y != ti->cl_cursor)
4661       {
4662         PlaySound(SND_MENU_ITEM_ACTIVATING);
4663
4664         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4665         drawChooseTreeCursor(y, TRUE);
4666         drawChooseTreeInfo(ti->cl_first + y, ti);
4667
4668         ti->cl_cursor = y;
4669       }
4670       else if (dx < 0)
4671       {
4672         if (game_status == GAME_MODE_SETUP)
4673         {
4674           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4675               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4676               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4677             execSetupGame();
4678           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4679                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4680                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4681                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4682             execSetupGraphics();
4683           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4684                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4685                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4686             execSetupSound();
4687           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4688                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4689                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4690                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4691                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4692                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4693                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4694                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4695             execSetupTouch();
4696           else
4697             execSetupArtwork();
4698         }
4699       }
4700     }
4701     else
4702     {
4703       TreeInfo *node_first, *node_cursor;
4704       int entry_pos = ti->cl_first + y;
4705
4706       PlaySound(SND_MENU_ITEM_SELECTING);
4707
4708       node_first = getTreeInfoFirstGroupEntry(ti);
4709       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4710
4711       if (node_cursor->node_group)
4712       {
4713         FadeSetEnterMenu();
4714
4715         node_cursor->cl_first = ti->cl_first;
4716         node_cursor->cl_cursor = ti->cl_cursor;
4717         *ti_ptr = node_cursor->node_group;
4718         DrawChooseTree(ti_ptr);
4719       }
4720       else if (node_cursor->parent_link)
4721       {
4722         FadeSetLeaveMenu();
4723
4724         *ti_ptr = node_cursor->node_parent;
4725         DrawChooseTree(ti_ptr);
4726       }
4727       else
4728       {
4729         FadeSetEnterMenu();
4730
4731         node_cursor->cl_first = ti->cl_first;
4732         node_cursor->cl_cursor = ti->cl_cursor;
4733         *ti_ptr = node_cursor;
4734
4735         if (ti->type == TREE_TYPE_LEVEL_DIR)
4736         {
4737           LoadLevelSetup_SeriesInfo();
4738
4739           SaveLevelSetup_LastSeries();
4740           SaveLevelSetup_SeriesInfo();
4741           TapeErase();
4742         }
4743
4744         if (game_status == GAME_MODE_SETUP)
4745         {
4746           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4747               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4748               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4749             execSetupGame();
4750           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4751                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4752                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4753                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4754             execSetupGraphics();
4755           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4756                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4757                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4758             execSetupSound();
4759           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4760                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4761                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4762                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4763                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4764                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4765                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4766                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4767             execSetupTouch();
4768           else
4769             execSetupArtwork();
4770         }
4771         else
4772         {
4773           if (game_status == GAME_MODE_LEVELNR)
4774           {
4775             int new_level_nr = atoi(level_number_current->identifier);
4776
4777             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4778           }
4779           else if (game_status == GAME_MODE_NAMES)
4780           {
4781             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4782             {
4783               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4784
4785               DrawTypeName();
4786
4787               return;
4788             }
4789
4790             // change active user to selected user
4791             user.nr = entry_pos;
4792
4793             // save number of new active user
4794             SaveUserSetup();
4795
4796             // load setup of new active user
4797             LoadSetup();
4798
4799             // load last level set of new active user
4800             LoadLevelSetup_LastSeries();
4801             LoadLevelSetup_SeriesInfo();
4802
4803             TapeErase();
4804
4805             ToggleFullscreenIfNeeded();
4806             ChangeWindowScalingIfNeeded();
4807
4808             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4809             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4810             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4811           }
4812
4813           SetGameStatus(GAME_MODE_MAIN);
4814
4815           DrawMainMenu();
4816         }
4817       }
4818     }
4819   }
4820 }
4821
4822 void DrawChoosePlayerName(void)
4823 {
4824   int i;
4825
4826   FadeMenuSoundsAndMusic();
4827
4828   if (player_name != NULL)
4829   {
4830     freeTreeInfo(player_name);
4831
4832     player_name = NULL;
4833   }
4834
4835   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4836   {
4837     boolean team_mode = (!network.enabled && setup.team_mode);
4838     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4839     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4840     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4841     int value = i;
4842
4843     ti->node_top = &player_name;
4844     ti->sort_priority = 10000 + value;
4845     ti->color = FC_RED;
4846
4847     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4848       ti->color = FC_BLUE;
4849
4850     snprintf(identifier, sizeof(identifier), "%d", value);
4851     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4852
4853     setString(&ti->identifier, identifier);
4854     setString(&ti->name, name);
4855     setString(&ti->name_sorting, name);
4856
4857     pushTreeInfo(&player_name, ti);
4858   }
4859
4860   // sort player entries by player number
4861   sortTreeInfo(&player_name);
4862
4863   // set current player entry to selected player entry
4864   player_name_current =
4865     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4866
4867   // if that fails, set current player name to first available name
4868   if (player_name_current == NULL)
4869     player_name_current = player_name;
4870
4871   DrawChooseTree(&player_name_current);
4872
4873   PlayMenuSoundsAndMusic();
4874 }
4875
4876 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4877 {
4878   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4879 }
4880
4881 void DrawChooseLevelSet(void)
4882 {
4883   FadeMenuSoundsAndMusic();
4884
4885   DrawChooseTree(&leveldir_current);
4886
4887   PlayMenuSoundsAndMusic();
4888 }
4889
4890 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4891 {
4892   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4893 }
4894
4895 void DrawChooseLevelNr(void)
4896 {
4897   int i;
4898
4899   FadeMenuSoundsAndMusic();
4900
4901   if (level_number != NULL)
4902   {
4903     freeTreeInfo(level_number);
4904
4905     level_number = NULL;
4906   }
4907
4908   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4909   {
4910     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4911     char identifier[32], name[64];
4912     int value = i;
4913
4914     // temporarily load level info to get level name
4915     LoadLevelInfoOnly(i);
4916
4917     ti->node_top = &level_number;
4918     ti->sort_priority = 10000 + value;
4919     ti->color = (level.no_level_file ? FC_BLUE :
4920                  LevelStats_getSolved(i) ? FC_GREEN :
4921                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4922
4923     snprintf(identifier, sizeof(identifier), "%d", value);
4924     snprintf(name, sizeof(name), "%03d: %s", value,
4925              (level.no_level_file ? "(no file)" : level.name));
4926
4927     setString(&ti->identifier, identifier);
4928     setString(&ti->name, name);
4929     setString(&ti->name_sorting, name);
4930
4931     pushTreeInfo(&level_number, ti);
4932   }
4933
4934   // sort level number values to start with lowest level number
4935   sortTreeInfo(&level_number);
4936
4937   // set current level number to current level number
4938   level_number_current =
4939     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4940
4941   // if that also fails, set current level number to first available level
4942   if (level_number_current == NULL)
4943     level_number_current = level_number;
4944
4945   DrawChooseTree(&level_number_current);
4946
4947   PlayMenuSoundsAndMusic();
4948 }
4949
4950 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4951 {
4952   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4953 }
4954
4955 void DrawHallOfFame(int level_nr, int highlight_position)
4956 {
4957   int fade_mask = REDRAW_FIELD;
4958
4959   if (CheckFadeAll())
4960     fade_mask = REDRAW_ALL;
4961
4962   UnmapAllGadgets();
4963   FadeMenuSoundsAndMusic();
4964
4965   // (this is needed when called from GameEnd() after winning a game)
4966   KeyboardAutoRepeatOn();
4967
4968   // (this is needed when called from GameEnd() after winning a game)
4969   SetDrawDeactivationMask(REDRAW_NONE);
4970   SetDrawBackgroundMask(REDRAW_FIELD);
4971
4972   if (highlight_position < 0)
4973     LoadScore(level_nr);
4974   else
4975     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4976
4977   FadeSetEnterScreen();
4978
4979   FadeOut(fade_mask);
4980
4981   // needed if different viewport properties defined for scores
4982   ChangeViewportPropertiesIfNeeded();
4983
4984   PlayMenuSoundsAndMusic();
4985
4986   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4987
4988   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4989
4990   DrawMaskedBorder(fade_mask);
4991
4992   FadeIn(fade_mask);
4993 }
4994
4995 static void drawHallOfFameList(int level_nr, int first_entry,
4996                                int highlight_position)
4997 {
4998   int i, j;
4999
5000   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5001   ClearField();
5002
5003   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5004   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5005                     "HighScores of Level %d", level_nr);
5006
5007   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5008   {
5009     int entry = first_entry + i;
5010     boolean active = (entry == highlight_position);
5011     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5012     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5013     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5014     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5015     int dxoff = getFontDrawOffsetX(font_nr1);
5016     int dx1 = 3 * getFontWidth(font_nr1);
5017     int dx2 = dx1 + getFontWidth(font_nr1);
5018     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5019     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5020     int sy = mSY + 64 + i * 32;
5021
5022     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5023     DrawText(mSX + dx1, sy, ".", font_nr1);
5024
5025     for (j = 0; j < num_dots; j++)
5026       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5027
5028     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5029       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5030
5031     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5032   }
5033
5034   redraw_mask |= REDRAW_FIELD;
5035 }
5036
5037 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5038 {
5039   static int level_nr = 0;
5040   static int first_entry = 0;
5041   static int highlight_position = 0;
5042   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5043
5044   if (button == MB_MENU_INITIALIZE)
5045   {
5046     level_nr = mx;
5047     first_entry = 0;
5048     highlight_position = my;
5049
5050     drawHallOfFameList(level_nr, first_entry, highlight_position);
5051
5052     return;
5053   }
5054
5055   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5056     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5057
5058   if (dy < 0)
5059   {
5060     if (first_entry > 0)
5061     {
5062       first_entry -= step;
5063       if (first_entry < 0)
5064         first_entry = 0;
5065
5066       drawHallOfFameList(level_nr, first_entry, highlight_position);
5067     }
5068   }
5069   else if (dy > 0)
5070   {
5071     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5072     {
5073       first_entry += step;
5074       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5075         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5076
5077       drawHallOfFameList(level_nr, first_entry, highlight_position);
5078     }
5079   }
5080   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5081   {
5082     PlaySound(SND_MENU_ITEM_SELECTING);
5083
5084     FadeSound(SND_BACKGROUND_SCORES);
5085
5086     if (button == MB_MENU_CHOICE &&
5087         game_status_last_screen == GAME_MODE_PLAYING &&
5088         setup.auto_play_next_level && setup.increment_levels &&
5089         level_nr < leveldir_current->last_level &&
5090         !network_playing)
5091     {
5092       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5093     }
5094     else
5095     {
5096       SetGameStatus(GAME_MODE_MAIN);
5097
5098       DrawMainMenu();
5099     }
5100   }
5101
5102   if (game_status == GAME_MODE_SCORES)
5103     PlayMenuSoundIfLoop();
5104 }
5105
5106
5107 // ============================================================================
5108 // setup screen functions
5109 // ============================================================================
5110
5111 static struct TokenInfo *setup_info;
5112 static int num_setup_info;      // number of setup entries shown on screen
5113 static int max_setup_info;      // total number of setup entries in list
5114
5115 static char *window_size_text;
5116 static char *scaling_type_text;
5117 static char *rendering_mode_text;
5118 static char *vsync_mode_text;
5119 static char *scroll_delay_text;
5120 static char *snapshot_mode_text;
5121 static char *game_speed_text;
5122 static char *network_server_text;
5123 static char *graphics_set_name;
5124 static char *sounds_set_name;
5125 static char *music_set_name;
5126 static char *volume_simple_text;
5127 static char *volume_loops_text;
5128 static char *volume_music_text;
5129 static char *touch_controls_text;
5130 static char *move_distance_text;
5131 static char *drop_distance_text;
5132 static char *transparency_text;
5133 static char *grid_size_text[2][2];
5134
5135 static void execSetupMain(void)
5136 {
5137   setup_mode = SETUP_MODE_MAIN;
5138
5139   DrawSetupScreen();
5140 }
5141
5142 static void execSetupGame_setGameSpeeds(boolean update_value)
5143 {
5144   if (setup.game_speed_extended)
5145   {
5146     game_speeds_list = game_speeds_list_extended;
5147     game_speeds      = game_speeds_extended;
5148   }
5149   else
5150   {
5151     game_speeds_list = game_speeds_list_normal;
5152     game_speeds      = game_speeds_normal;
5153   }
5154
5155   if (game_speeds == NULL)
5156   {
5157     int i;
5158
5159     for (i = 0; game_speeds_list[i].value != -1; i++)
5160     {
5161       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5162       char identifier[32], name[32];
5163       int value = game_speeds_list[i].value;
5164       char *text = game_speeds_list[i].text;
5165
5166       ti->node_top = &game_speeds;
5167       ti->sort_priority = 10000 - value;
5168
5169       sprintf(identifier, "%d", value);
5170       sprintf(name, "%s", text);
5171
5172       setString(&ti->identifier, identifier);
5173       setString(&ti->name, name);
5174       setString(&ti->name_sorting, name);
5175       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5176
5177       pushTreeInfo(&game_speeds, ti);
5178     }
5179
5180     // sort game speed values to start with slowest game speed
5181     sortTreeInfo(&game_speeds);
5182
5183     update_value = TRUE;
5184   }
5185
5186   if (update_value)
5187   {
5188     // set current game speed to configured game speed value
5189     game_speed_current =
5190       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5191
5192     // if that fails, set current game speed to reliable default value
5193     if (game_speed_current == NULL)
5194       game_speed_current =
5195         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5196
5197     // if that also fails, set current game speed to first available speed
5198     if (game_speed_current == NULL)
5199       game_speed_current = game_speeds;
5200
5201     if (setup.game_speed_extended)
5202       game_speeds_extended = game_speeds;
5203     else
5204       game_speeds_normal = game_speeds;
5205   }
5206
5207   setup.game_frame_delay = atoi(game_speed_current->identifier);
5208
5209   // needed for displaying game speed text instead of identifier
5210   game_speed_text = game_speed_current->name;
5211 }
5212
5213 static void execSetupGame_setScrollDelays(void)
5214 {
5215   if (scroll_delays == NULL)
5216   {
5217     int i;
5218
5219     for (i = 0; scroll_delays_list[i].value != -1; i++)
5220     {
5221       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5222       char identifier[32], name[32];
5223       int value = scroll_delays_list[i].value;
5224       char *text = scroll_delays_list[i].text;
5225
5226       ti->node_top = &scroll_delays;
5227       ti->sort_priority = value;
5228
5229       sprintf(identifier, "%d", value);
5230       sprintf(name, "%s", text);
5231
5232       setString(&ti->identifier, identifier);
5233       setString(&ti->name, name);
5234       setString(&ti->name_sorting, name);
5235       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5236
5237       pushTreeInfo(&scroll_delays, ti);
5238     }
5239
5240     // sort scroll delay values to start with lowest scroll delay value
5241     sortTreeInfo(&scroll_delays);
5242
5243     // set current scroll delay value to configured scroll delay value
5244     scroll_delay_current =
5245       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5246
5247     // if that fails, set current scroll delay to reliable default value
5248     if (scroll_delay_current == NULL)
5249       scroll_delay_current =
5250         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5251
5252     // if that also fails, set current scroll delay to first available value
5253     if (scroll_delay_current == NULL)
5254       scroll_delay_current = scroll_delays;
5255   }
5256
5257   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5258
5259   // needed for displaying scroll delay text instead of identifier
5260   scroll_delay_text = scroll_delay_current->name;
5261 }
5262
5263 static void execSetupGame_setSnapshotModes(void)
5264 {
5265   if (snapshot_modes == NULL)
5266   {
5267     int i;
5268
5269     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5270     {
5271       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5272       char identifier[32], name[32];
5273       char *value = snapshot_modes_list[i].value;
5274       char *text = snapshot_modes_list[i].text;
5275
5276       ti->node_top = &snapshot_modes;
5277       ti->sort_priority = i;
5278
5279       sprintf(identifier, "%s", value);
5280       sprintf(name, "%s", text);
5281
5282       setString(&ti->identifier, identifier);
5283       setString(&ti->name, name);
5284       setString(&ti->name_sorting, name);
5285       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5286
5287       pushTreeInfo(&snapshot_modes, ti);
5288     }
5289
5290     // sort snapshot mode values to start with lowest snapshot mode value
5291     sortTreeInfo(&snapshot_modes);
5292
5293     // set current snapshot mode value to configured snapshot mode value
5294     snapshot_mode_current =
5295       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5296
5297     // if that fails, set current snapshot mode to reliable default value
5298     if (snapshot_mode_current == NULL)
5299       snapshot_mode_current =
5300         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5301
5302     // if that also fails, set current snapshot mode to first available value
5303     if (snapshot_mode_current == NULL)
5304       snapshot_mode_current = snapshot_modes;
5305   }
5306
5307   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5308
5309   // needed for displaying snapshot mode text instead of identifier
5310   snapshot_mode_text = snapshot_mode_current->name;
5311 }
5312
5313 static void execSetupGame_setNetworkServerText(void)
5314 {
5315   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5316   {
5317     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5318   }
5319   else
5320   {
5321     strncpy(network_server_hostname, setup.network_server_hostname,
5322             MAX_SETUP_TEXT_INPUT_LEN);
5323     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5324   }
5325
5326   // needed for displaying network server text instead of identifier
5327   network_server_text = network_server_hostname;
5328 }
5329
5330 static void execSetupGame(void)
5331 {
5332   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5333
5334   execSetupGame_setGameSpeeds(FALSE);
5335   execSetupGame_setScrollDelays();
5336   execSetupGame_setSnapshotModes();
5337
5338   execSetupGame_setNetworkServerText();
5339
5340   setup_mode = SETUP_MODE_GAME;
5341
5342   DrawSetupScreen();
5343
5344   // check if vsync needs to be disabled for this game speed to work
5345   if (check_vsync_mode)
5346     DisableVsyncIfNeeded();
5347 }
5348
5349 static void execSetupChooseGameSpeed(void)
5350 {
5351   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5352
5353   DrawSetupScreen();
5354 }
5355
5356 static void execSetupChooseScrollDelay(void)
5357 {
5358   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5359
5360   DrawSetupScreen();
5361 }
5362
5363 static void execSetupChooseSnapshotMode(void)
5364 {
5365   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5366
5367   DrawSetupScreen();
5368 }
5369
5370 static void execSetupEngines(void)
5371 {
5372   setup_mode = SETUP_MODE_ENGINES;
5373
5374   DrawSetupScreen();
5375 }
5376
5377 static void execSetupEditor(void)
5378 {
5379   setup_mode = SETUP_MODE_EDITOR;
5380
5381   DrawSetupScreen();
5382 }
5383
5384 static void execSetupGraphics_setWindowSizes(boolean update_list)
5385 {
5386   if (window_sizes != NULL && update_list)
5387   {
5388     freeTreeInfo(window_sizes);
5389
5390     window_sizes = NULL;
5391   }
5392
5393   if (window_sizes == NULL)
5394   {
5395     boolean current_window_size_found = FALSE;
5396     int i;
5397
5398     for (i = 0; window_sizes_list[i].value != -1; i++)
5399     {
5400       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5401       char identifier[32], name[32];
5402       int value = window_sizes_list[i].value;
5403       char *text = window_sizes_list[i].text;
5404
5405       ti->node_top = &window_sizes;
5406       ti->sort_priority = value;
5407
5408       sprintf(identifier, "%d", value);
5409       sprintf(name, "%s", text);
5410
5411       setString(&ti->identifier, identifier);
5412       setString(&ti->name, name);
5413       setString(&ti->name_sorting, name);
5414       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5415
5416       pushTreeInfo(&window_sizes, ti);
5417
5418       if (value == setup.window_scaling_percent)
5419         current_window_size_found = TRUE;
5420     }
5421
5422     if (!current_window_size_found)
5423     {
5424       // add entry for non-preset window scaling value
5425
5426       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5427       char identifier[32], name[32];
5428       int value = setup.window_scaling_percent;
5429
5430       ti->node_top = &window_sizes;
5431       ti->sort_priority = value;
5432
5433       sprintf(identifier, "%d", value);
5434       sprintf(name, "%d %% (Current)", value);
5435
5436       setString(&ti->identifier, identifier);
5437       setString(&ti->name, name);
5438       setString(&ti->name_sorting, name);
5439       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5440
5441       pushTreeInfo(&window_sizes, ti);
5442     }
5443
5444     // sort window size values to start with lowest window size value
5445     sortTreeInfo(&window_sizes);
5446
5447     // set current window size value to configured window size value
5448     window_size_current =
5449       getTreeInfoFromIdentifier(window_sizes,
5450                                 i_to_a(setup.window_scaling_percent));
5451
5452     // if that fails, set current window size to reliable default value
5453     if (window_size_current == NULL)
5454       window_size_current =
5455         getTreeInfoFromIdentifier(window_sizes,
5456                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5457
5458     // if that also fails, set current window size to first available value
5459     if (window_size_current == NULL)
5460       window_size_current = window_sizes;
5461   }
5462
5463   setup.window_scaling_percent = atoi(window_size_current->identifier);
5464
5465   // needed for displaying window size text instead of identifier
5466   window_size_text = window_size_current->name;
5467 }
5468
5469 static void execSetupGraphics_setScalingTypes(void)
5470 {
5471   if (scaling_types == NULL)
5472   {
5473     int i;
5474
5475     for (i = 0; scaling_types_list[i].value != NULL; i++)
5476     {
5477       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5478       char identifier[32], name[32];
5479       char *value = scaling_types_list[i].value;
5480       char *text = scaling_types_list[i].text;
5481
5482       ti->node_top = &scaling_types;
5483       ti->sort_priority = i;
5484
5485       sprintf(identifier, "%s", value);
5486       sprintf(name, "%s", text);
5487
5488       setString(&ti->identifier, identifier);
5489       setString(&ti->name, name);
5490       setString(&ti->name_sorting, name);
5491       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5492
5493       pushTreeInfo(&scaling_types, ti);
5494     }
5495
5496     // sort scaling type values to start with lowest scaling type value
5497     sortTreeInfo(&scaling_types);
5498
5499     // set current scaling type value to configured scaling type value
5500     scaling_type_current =
5501       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5502
5503     // if that fails, set current scaling type to reliable default value
5504     if (scaling_type_current == NULL)
5505       scaling_type_current =
5506         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5507
5508     // if that also fails, set current scaling type to first available value
5509     if (scaling_type_current == NULL)
5510       scaling_type_current = scaling_types;
5511   }
5512
5513   setup.window_scaling_quality = scaling_type_current->identifier;
5514
5515   // needed for displaying scaling type text instead of identifier
5516   scaling_type_text = scaling_type_current->name;
5517 }
5518
5519 static void execSetupGraphics_setRenderingModes(void)
5520 {
5521   if (rendering_modes == NULL)
5522   {
5523     int i;
5524
5525     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5526     {
5527       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5528       char identifier[32], name[32];
5529       char *value = rendering_modes_list[i].value;
5530       char *text = rendering_modes_list[i].text;
5531
5532       ti->node_top = &rendering_modes;
5533       ti->sort_priority = i;
5534
5535       sprintf(identifier, "%s", value);
5536       sprintf(name, "%s", text);
5537
5538       setString(&ti->identifier, identifier);
5539       setString(&ti->name, name);
5540       setString(&ti->name_sorting, name);
5541       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5542
5543       pushTreeInfo(&rendering_modes, ti);
5544     }
5545
5546     // sort rendering mode values to start with lowest rendering mode value
5547     sortTreeInfo(&rendering_modes);
5548
5549     // set current rendering mode value to configured rendering mode value
5550     rendering_mode_current =
5551       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5552
5553     // if that fails, set current rendering mode to reliable default value
5554     if (rendering_mode_current == NULL)
5555       rendering_mode_current =
5556         getTreeInfoFromIdentifier(rendering_modes,
5557                                   STR_SPECIAL_RENDERING_DEFAULT);
5558
5559     // if that also fails, set current rendering mode to first available one
5560     if (rendering_mode_current == NULL)
5561       rendering_mode_current = rendering_modes;
5562   }
5563
5564   setup.screen_rendering_mode = rendering_mode_current->identifier;
5565
5566   // needed for displaying rendering mode text instead of identifier
5567   rendering_mode_text = rendering_mode_current->name;
5568 }
5569
5570 static void execSetupGraphics_setVsyncModes(boolean update_value)
5571 {
5572   if (vsync_modes == NULL)
5573   {
5574     int i;
5575
5576     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5577     {
5578       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5579       char identifier[32], name[32];
5580       char *value = vsync_modes_list[i].value;
5581       char *text = vsync_modes_list[i].text;
5582
5583       ti->node_top = &vsync_modes;
5584       ti->sort_priority = i;
5585
5586       sprintf(identifier, "%s", value);
5587       sprintf(name, "%s", text);
5588
5589       setString(&ti->identifier, identifier);
5590       setString(&ti->name, name);
5591       setString(&ti->name_sorting, name);
5592       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5593
5594       pushTreeInfo(&vsync_modes, ti);
5595     }
5596
5597     // sort vsync mode values to start with lowest vsync mode value
5598     sortTreeInfo(&vsync_modes);
5599
5600     update_value = TRUE;
5601   }
5602
5603   if (update_value)
5604   {
5605     // set current vsync mode value to configured vsync mode value
5606     vsync_mode_current =
5607       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5608
5609     // if that fails, set current vsync mode to reliable default value
5610     if (vsync_mode_current == NULL)
5611       vsync_mode_current =
5612         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5613
5614     // if that also fails, set current vsync mode to first available one
5615     if (vsync_mode_current == NULL)
5616       vsync_mode_current = vsync_modes;
5617   }
5618
5619   setup.vsync_mode = vsync_mode_current->identifier;
5620
5621   // needed for displaying vsync mode text instead of identifier
5622   vsync_mode_text = vsync_mode_current->name;
5623 }
5624
5625 static void execSetupGraphics(void)
5626 {
5627   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5628
5629   // update "setup.window_scaling_percent" from list selection
5630   // (in this case, window scaling was changed on setup screen)
5631   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5632     execSetupGraphics_setWindowSizes(FALSE);
5633
5634   // update "setup.vsync_mode" from list selection
5635   // (in this case, vsync mode was changed on setup screen)
5636   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5637     execSetupGraphics_setVsyncModes(FALSE);
5638
5639   // update list selection from "setup.window_scaling_percent"
5640   // (window scaling may have changed by resizing the window)
5641   execSetupGraphics_setWindowSizes(TRUE);
5642
5643   // update list selection from "setup.vsync_mode"
5644   // (vsync_mode may have changed by re-creating the renderer)
5645   execSetupGraphics_setVsyncModes(TRUE);
5646
5647   execSetupGraphics_setScalingTypes();
5648   execSetupGraphics_setRenderingModes();
5649
5650   setup_mode = SETUP_MODE_GRAPHICS;
5651
5652   DrawSetupScreen();
5653
5654   // check if game speed is high enough for 60 Hz vsync to work
5655   if (check_game_speed)
5656     ModifyGameSpeedIfNeeded();
5657
5658   // window scaling may have changed at this point
5659   ChangeWindowScalingIfNeeded();
5660
5661   // window scaling quality may have changed at this point
5662   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5663     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5664
5665   // screen rendering mode may have changed at this point
5666   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5667
5668   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5669   int video_vsync_mode = video.vsync_mode;
5670
5671   // screen vsync mode may have changed at this point
5672   ChangeVsyncModeIfNeeded();
5673
5674   // check if setting vsync mode to selected value failed
5675   if (setup_vsync_mode != video_vsync_mode &&
5676       setup_vsync_mode != video.vsync_mode)
5677   {
5678     // changing vsync mode to selected value failed -- reset displayed value
5679     execSetupGraphics_setVsyncModes(TRUE);
5680
5681     Request("Setting VSync failed!", REQ_CONFIRM);
5682
5683     DrawSetupScreen();
5684   }
5685 }
5686
5687 static void execSetupChooseWindowSize(void)
5688 {
5689   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5690
5691   DrawSetupScreen();
5692 }
5693
5694 static void execSetupChooseScalingType(void)
5695 {
5696   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5697
5698   DrawSetupScreen();
5699 }
5700
5701 static void execSetupChooseRenderingMode(void)
5702 {
5703   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5704
5705   DrawSetupScreen();
5706 }
5707
5708 static void execSetupChooseVsyncMode(void)
5709 {
5710   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5711
5712   DrawSetupScreen();
5713 }
5714
5715 static void execSetupChooseVolumeSimple(void)
5716 {
5717   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5718
5719   DrawSetupScreen();
5720 }
5721
5722 static void execSetupChooseVolumeLoops(void)
5723 {
5724   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5725
5726   DrawSetupScreen();
5727 }
5728
5729 static void execSetupChooseVolumeMusic(void)
5730 {
5731   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5732
5733   DrawSetupScreen();
5734 }
5735
5736 static void execSetupSound(void)
5737 {
5738   if (volumes_simple == NULL)
5739   {
5740     boolean current_volume_simple_found = FALSE;
5741     int i;
5742
5743     for (i = 0; volumes_list[i].value != -1; i++)
5744     {
5745       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5746       char identifier[32], name[32];
5747       int value = volumes_list[i].value;
5748       char *text = volumes_list[i].text;
5749
5750       ti->node_top = &volumes_simple;
5751       ti->sort_priority = value;
5752
5753       sprintf(identifier, "%d", value);
5754       sprintf(name, "%s", text);
5755
5756       setString(&ti->identifier, identifier);
5757       setString(&ti->name, name);
5758       setString(&ti->name_sorting, name);
5759       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5760
5761       pushTreeInfo(&volumes_simple, ti);
5762
5763       if (value == setup.volume_simple)
5764         current_volume_simple_found = TRUE;
5765     }
5766
5767     if (!current_volume_simple_found)
5768     {
5769       // add entry for non-preset volume value
5770
5771       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5772       char identifier[32], name[32];
5773       int value = setup.volume_simple;
5774
5775       ti->node_top = &volumes_simple;
5776       ti->sort_priority = value;
5777
5778       sprintf(identifier, "%d", value);
5779       sprintf(name, "%d %% (Current)", value);
5780
5781       setString(&ti->identifier, identifier);
5782       setString(&ti->name, name);
5783       setString(&ti->name_sorting, name);
5784       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5785
5786       pushTreeInfo(&volumes_simple, ti);
5787     }
5788
5789     // sort volume values to start with lowest volume value
5790     sortTreeInfo(&volumes_simple);
5791
5792     // set current volume value to configured volume value
5793     volume_simple_current =
5794       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5795
5796     // if that fails, set current volume to reliable default value
5797     if (volume_simple_current == NULL)
5798       volume_simple_current =
5799         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5800
5801     // if that also fails, set current volume to first available value
5802     if (volume_simple_current == NULL)
5803       volume_simple_current = volumes_simple;
5804   }
5805
5806   if (volumes_loops == NULL)
5807   {
5808     boolean current_volume_loops_found = FALSE;
5809     int i;
5810
5811     for (i = 0; volumes_list[i].value != -1; i++)
5812     {
5813       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5814       char identifier[32], name[32];
5815       int value = volumes_list[i].value;
5816       char *text = volumes_list[i].text;
5817
5818       ti->node_top = &volumes_loops;
5819       ti->sort_priority = value;
5820
5821       sprintf(identifier, "%d", value);
5822       sprintf(name, "%s", text);
5823
5824       setString(&ti->identifier, identifier);
5825       setString(&ti->name, name);
5826       setString(&ti->name_sorting, name);
5827       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5828
5829       pushTreeInfo(&volumes_loops, ti);
5830
5831       if (value == setup.volume_loops)
5832         current_volume_loops_found = TRUE;
5833     }
5834
5835     if (!current_volume_loops_found)
5836     {
5837       // add entry for non-preset volume value
5838
5839       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5840       char identifier[32], name[32];
5841       int value = setup.volume_loops;
5842
5843       ti->node_top = &volumes_loops;
5844       ti->sort_priority = value;
5845
5846       sprintf(identifier, "%d", value);
5847       sprintf(name, "%d %% (Current)", value);
5848
5849       setString(&ti->identifier, identifier);
5850       setString(&ti->name, name);
5851       setString(&ti->name_sorting, name);
5852       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5853
5854       pushTreeInfo(&volumes_loops, ti);
5855     }
5856
5857     // sort volume values to start with lowest volume value
5858     sortTreeInfo(&volumes_loops);
5859
5860     // set current volume value to configured volume value
5861     volume_loops_current =
5862       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5863
5864     // if that fails, set current volume to reliable default value
5865     if (volume_loops_current == NULL)
5866       volume_loops_current =
5867         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5868
5869     // if that also fails, set current volume to first available value
5870     if (volume_loops_current == NULL)
5871       volume_loops_current = volumes_loops;
5872   }
5873
5874   if (volumes_music == NULL)
5875   {
5876     boolean current_volume_music_found = FALSE;
5877     int i;
5878
5879     for (i = 0; volumes_list[i].value != -1; i++)
5880     {
5881       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5882       char identifier[32], name[32];
5883       int value = volumes_list[i].value;
5884       char *text = volumes_list[i].text;
5885
5886       ti->node_top = &volumes_music;
5887       ti->sort_priority = value;
5888
5889       sprintf(identifier, "%d", value);
5890       sprintf(name, "%s", text);
5891
5892       setString(&ti->identifier, identifier);
5893       setString(&ti->name, name);
5894       setString(&ti->name_sorting, name);
5895       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5896
5897       pushTreeInfo(&volumes_music, ti);
5898
5899       if (value == setup.volume_music)
5900         current_volume_music_found = TRUE;
5901     }
5902
5903     if (!current_volume_music_found)
5904     {
5905       // add entry for non-preset volume value
5906
5907       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5908       char identifier[32], name[32];
5909       int value = setup.volume_music;
5910
5911       ti->node_top = &volumes_music;
5912       ti->sort_priority = value;
5913
5914       sprintf(identifier, "%d", value);
5915       sprintf(name, "%d %% (Current)", value);
5916
5917       setString(&ti->identifier, identifier);
5918       setString(&ti->name, name);
5919       setString(&ti->name_sorting, name);
5920       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5921
5922       pushTreeInfo(&volumes_music, ti);
5923     }
5924
5925     // sort volume values to start with lowest volume value
5926     sortTreeInfo(&volumes_music);
5927
5928     // set current volume value to configured volume value
5929     volume_music_current =
5930       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5931
5932     // if that fails, set current volume to reliable default value
5933     if (volume_music_current == NULL)
5934       volume_music_current =
5935         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5936
5937     // if that also fails, set current volume to first available value
5938     if (volume_music_current == NULL)
5939       volume_music_current = volumes_music;
5940   }
5941
5942   setup.volume_simple = atoi(volume_simple_current->identifier);
5943   setup.volume_loops  = atoi(volume_loops_current->identifier);
5944   setup.volume_music  = atoi(volume_music_current->identifier);
5945
5946   // needed for displaying volume text instead of identifier
5947   volume_simple_text = volume_simple_current->name;
5948   volume_loops_text = volume_loops_current->name;
5949   volume_music_text = volume_music_current->name;
5950
5951   setup_mode = SETUP_MODE_SOUND;
5952
5953   DrawSetupScreen();
5954 }
5955
5956 static void execSetupChooseTouchControls(void)
5957 {
5958   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5959
5960   DrawSetupScreen();
5961 }
5962
5963 static void execSetupChooseMoveDistance(void)
5964 {
5965   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5966
5967   DrawSetupScreen();
5968 }
5969
5970 static void execSetupChooseDropDistance(void)
5971 {
5972   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5973
5974   DrawSetupScreen();
5975 }
5976
5977 static void execSetupChooseTransparency(void)
5978 {
5979   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5980
5981   DrawSetupScreen();
5982 }
5983
5984 static void execSetupChooseGridXSize_0(void)
5985 {
5986   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5987
5988   DrawSetupScreen();
5989 }
5990
5991 static void execSetupChooseGridYSize_0(void)
5992 {
5993   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5994
5995   DrawSetupScreen();
5996 }
5997
5998 static void execSetupChooseGridXSize_1(void)
5999 {
6000   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6001
6002   DrawSetupScreen();
6003 }
6004
6005 static void execSetupChooseGridYSize_1(void)
6006 {
6007   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6008
6009   DrawSetupScreen();
6010 }
6011
6012 static void execSetupConfigureVirtualButtons(void)
6013 {
6014   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6015
6016   ConfigureVirtualButtons();
6017
6018   setup_mode = SETUP_MODE_TOUCH;
6019
6020   DrawSetupScreen();
6021 }
6022
6023 static void execSetupTouch(void)
6024 {
6025   int i, j, k;
6026
6027   if (touch_controls == NULL)
6028   {
6029     for (i = 0; touch_controls_list[i].value != NULL; i++)
6030     {
6031       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6032       char identifier[32], name[32];
6033       char *value = touch_controls_list[i].value;
6034       char *text = touch_controls_list[i].text;
6035
6036       ti->node_top = &touch_controls;
6037       ti->sort_priority = i;
6038
6039       sprintf(identifier, "%s", value);
6040       sprintf(name, "%s", text);
6041
6042       setString(&ti->identifier, identifier);
6043       setString(&ti->name, name);
6044       setString(&ti->name_sorting, name);
6045       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6046
6047       pushTreeInfo(&touch_controls, ti);
6048     }
6049
6050     // sort touch control values to start with lowest touch control value
6051     sortTreeInfo(&touch_controls);
6052
6053     // set current touch control value to configured touch control value
6054     touch_control_current =
6055       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6056
6057     // if that fails, set current touch control to reliable default value
6058     if (touch_control_current == NULL)
6059       touch_control_current =
6060         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6061
6062     // if that also fails, set current touch control to first available value
6063     if (touch_control_current == NULL)
6064       touch_control_current = touch_controls;
6065   }
6066
6067   if (move_distances == NULL)
6068   {
6069     for (i = 0; distances_list[i].value != -1; i++)
6070     {
6071       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6072       char identifier[32], name[32];
6073       int value = distances_list[i].value;
6074       char *text = distances_list[i].text;
6075
6076       ti->node_top = &move_distances;
6077       ti->sort_priority = value;
6078
6079       sprintf(identifier, "%d", value);
6080       sprintf(name, "%s", text);
6081
6082       setString(&ti->identifier, identifier);
6083       setString(&ti->name, name);
6084       setString(&ti->name_sorting, name);
6085       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6086
6087       pushTreeInfo(&move_distances, ti);
6088     }
6089
6090     // sort distance values to start with lowest distance value
6091     sortTreeInfo(&move_distances);
6092
6093     // set current distance value to configured distance value
6094     move_distance_current =
6095       getTreeInfoFromIdentifier(move_distances,
6096                                 i_to_a(setup.touch.move_distance));
6097
6098     // if that fails, set current distance to reliable default value
6099     if (move_distance_current == NULL)
6100       move_distance_current =
6101         getTreeInfoFromIdentifier(move_distances,
6102                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6103
6104     // if that also fails, set current distance to first available value
6105     if (move_distance_current == NULL)
6106       move_distance_current = move_distances;
6107   }
6108
6109   if (drop_distances == NULL)
6110   {
6111     for (i = 0; distances_list[i].value != -1; i++)
6112     {
6113       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6114       char identifier[32], name[32];
6115       int value = distances_list[i].value;
6116       char *text = distances_list[i].text;
6117
6118       ti->node_top = &drop_distances;
6119       ti->sort_priority = value;
6120
6121       sprintf(identifier, "%d", value);
6122       sprintf(name, "%s", text);
6123
6124       setString(&ti->identifier, identifier);
6125       setString(&ti->name, name);
6126       setString(&ti->name_sorting, name);
6127       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6128
6129       pushTreeInfo(&drop_distances, ti);
6130     }
6131
6132     // sort distance values to start with lowest distance value
6133     sortTreeInfo(&drop_distances);
6134
6135     // set current distance value to configured distance value
6136     drop_distance_current =
6137       getTreeInfoFromIdentifier(drop_distances,
6138                                 i_to_a(setup.touch.drop_distance));
6139
6140     // if that fails, set current distance to reliable default value
6141     if (drop_distance_current == NULL)
6142       drop_distance_current =
6143         getTreeInfoFromIdentifier(drop_distances,
6144                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6145
6146     // if that also fails, set current distance to first available value
6147     if (drop_distance_current == NULL)
6148       drop_distance_current = drop_distances;
6149   }
6150
6151   if (transparencies == NULL)
6152   {
6153     for (i = 0; transparencies_list[i].value != -1; i++)
6154     {
6155       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6156       char identifier[32], name[32];
6157       int value = transparencies_list[i].value;
6158       char *text = transparencies_list[i].text;
6159
6160       ti->node_top = &transparencies;
6161       ti->sort_priority = value;
6162
6163       sprintf(identifier, "%d", value);
6164       sprintf(name, "%s", text);
6165
6166       setString(&ti->identifier, identifier);
6167       setString(&ti->name, name);
6168       setString(&ti->name_sorting, name);
6169       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6170
6171       pushTreeInfo(&transparencies, ti);
6172     }
6173
6174     // sort transparency values to start with lowest transparency value
6175     sortTreeInfo(&transparencies);
6176
6177     // set current transparency value to configured transparency value
6178     transparency_current =
6179       getTreeInfoFromIdentifier(transparencies,
6180                                 i_to_a(setup.touch.transparency));
6181
6182     // if that fails, set current transparency to reliable default value
6183     if (transparency_current == NULL)
6184       transparency_current =
6185         getTreeInfoFromIdentifier(transparencies,
6186                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6187
6188     // if that also fails, set current transparency to first available value
6189     if (transparency_current == NULL)
6190       transparency_current = transparencies;
6191   }
6192
6193   for (i = 0; i < 2; i++)
6194   {
6195     for (j = 0; j < 2; j++)
6196     {
6197       if (grid_sizes[i][j] == NULL)
6198       {
6199         for (k = 0; grid_sizes_list[k].value != -1; k++)
6200         {
6201           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6202           char identifier[32], name[32];
6203           int value = grid_sizes_list[k].value;
6204           char *text = grid_sizes_list[k].text;
6205
6206           ti->node_top = &grid_sizes[i][j];
6207           ti->sort_priority = value;
6208
6209           sprintf(identifier, "%d", value);
6210           sprintf(name, "%s", text);
6211
6212           setString(&ti->identifier, identifier);
6213           setString(&ti->name, name);
6214           setString(&ti->name_sorting, name);
6215           setString(&ti->infotext,
6216                     (i == 0 ?
6217                      (j == 0 ?
6218                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6219                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6220                      (j == 0 ?
6221                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6222                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6223
6224           pushTreeInfo(&grid_sizes[i][j], ti);
6225         }
6226
6227         // sort grid size values to start with lowest grid size value
6228         sortTreeInfo(&grid_sizes[i][j]);
6229
6230         // set current grid size value to configured grid size value
6231         grid_size_current[i][j] =
6232           getTreeInfoFromIdentifier(grid_sizes[i][j],
6233                                     i_to_a(j == 0 ?
6234                                            setup.touch.grid_xsize[i] :
6235                                            setup.touch.grid_ysize[i]));
6236
6237         // if that fails, set current grid size to reliable default value
6238         if (grid_size_current[i][j] == NULL)
6239           grid_size_current[i][j] =
6240             getTreeInfoFromIdentifier(grid_sizes[i][j],
6241                                       i_to_a(j == 0 ?
6242                                              DEFAULT_GRID_XSIZE(i) :
6243                                              DEFAULT_GRID_YSIZE(i)));
6244
6245         // if that also fails, set current grid size to first available value
6246         if (grid_size_current[i][j] == NULL)
6247           grid_size_current[i][j] = grid_sizes[i][j];
6248       }
6249     }
6250   }
6251
6252   setup.touch.control_type = touch_control_current->identifier;
6253   setup.touch.move_distance = atoi(move_distance_current->identifier);
6254   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6255   setup.touch.transparency = atoi(transparency_current->identifier);
6256
6257   for (i = 0; i < 2; i++)
6258   {
6259     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6260     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6261
6262     if (i == GRID_ACTIVE_NR())
6263     {
6264       overlay.grid_xsize = setup.touch.grid_xsize[i];
6265       overlay.grid_ysize = setup.touch.grid_ysize[i];
6266     }
6267   }
6268
6269   // needed for displaying value text instead of identifier
6270   touch_controls_text = touch_control_current->name;
6271   move_distance_text = move_distance_current->name;
6272   drop_distance_text = drop_distance_current->name;
6273   transparency_text = transparency_current->name;
6274
6275   for (i = 0; i < 2; i++)
6276     for (j = 0; j < 2; j++)
6277       grid_size_text[i][j] = grid_size_current[i][j]->name;
6278
6279   setup_mode = SETUP_MODE_TOUCH;
6280
6281   DrawSetupScreen();
6282 }
6283
6284 static void execSetupArtwork(void)
6285 {
6286 #if 0
6287   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6288         artwork.gfx_current->subdir,
6289         artwork.gfx_current->fullpath,
6290         artwork.gfx_current->basepath);
6291 #endif
6292
6293   setup.graphics_set = artwork.gfx_current->identifier;
6294   setup.sounds_set = artwork.snd_current->identifier;
6295   setup.music_set = artwork.mus_current->identifier;
6296
6297   // needed if last screen (setup choice) changed graphics, sounds or music
6298   ReloadCustomArtwork(0);
6299
6300   // needed for displaying artwork name instead of artwork identifier
6301   graphics_set_name = artwork.gfx_current->name;
6302   sounds_set_name = artwork.snd_current->name;
6303   music_set_name = artwork.mus_current->name;
6304
6305   setup_mode = SETUP_MODE_ARTWORK;
6306
6307   DrawSetupScreen();
6308 }
6309
6310 static void execSetupChooseGraphics(void)
6311 {
6312   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6313
6314   DrawSetupScreen();
6315 }
6316
6317 static void execSetupChooseSounds(void)
6318 {
6319   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6320
6321   DrawSetupScreen();
6322 }
6323
6324 static void execSetupChooseMusic(void)
6325 {
6326   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6327
6328   DrawSetupScreen();
6329 }
6330
6331 static void execSetupInput(void)
6332 {
6333   setup_mode = SETUP_MODE_INPUT;
6334
6335   DrawSetupScreen();
6336 }
6337
6338 static void execSetupShortcuts(void)
6339 {
6340   setup_mode = SETUP_MODE_SHORTCUTS;
6341
6342   DrawSetupScreen();
6343 }
6344
6345 static void execSetupShortcuts1(void)
6346 {
6347   setup_mode = SETUP_MODE_SHORTCUTS_1;
6348
6349   DrawSetupScreen();
6350 }
6351
6352 static void execSetupShortcuts2(void)
6353 {
6354   setup_mode = SETUP_MODE_SHORTCUTS_2;
6355
6356   DrawSetupScreen();
6357 }
6358
6359 static void execSetupShortcuts3(void)
6360 {
6361   setup_mode = SETUP_MODE_SHORTCUTS_3;
6362
6363   DrawSetupScreen();
6364 }
6365
6366 static void execSetupShortcuts4(void)
6367 {
6368   setup_mode = SETUP_MODE_SHORTCUTS_4;
6369
6370   DrawSetupScreen();
6371 }
6372
6373 static void execSetupShortcuts5(void)
6374 {
6375   setup_mode = SETUP_MODE_SHORTCUTS_5;
6376
6377   DrawSetupScreen();
6378 }
6379
6380 static void execExitSetup(void)
6381 {
6382   SetGameStatus(GAME_MODE_MAIN);
6383
6384   DrawMainMenu();
6385 }
6386
6387 static void execSaveAndExitSetup(void)
6388 {
6389   SaveSetup();
6390   execExitSetup();
6391 }
6392
6393 static void execGadgetNetworkServer(void)
6394 {
6395   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6396   struct GadgetInfo *gi = screen_gadget[gadget_id];
6397
6398   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6399     network_server_hostname[0] = '\0';
6400
6401   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6402
6403   MapGadget(gi);
6404
6405   ClickOnGadget(gi, MB_LEFTBUTTON);
6406 }
6407
6408 static void ToggleNetworkModeIfNeeded(void)
6409 {
6410   int font_title = FONT_TITLE_1;
6411   int font_foot = FC_BLUE;
6412   int ystart  = mSY - SY + 16;
6413   int ybottom = mSY - SY + SYSIZE - 20;
6414   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6415
6416   if (setup.network_mode == network.enabled)
6417     return;
6418
6419   network.enabled = setup.network_mode;
6420
6421   FadeOut(REDRAW_ALL);
6422
6423   ClearField();
6424
6425   DrawTextSCentered(ystart, font_title, text);
6426
6427   FadeIn(REDRAW_ALL);
6428
6429   if (network.enabled)
6430     InitNetworkServer();
6431   else
6432     DisconnectFromNetworkServer();
6433
6434   DrawTextSCentered(ybottom, font_foot,
6435                     "Press any key or button for setup menu");
6436
6437   WaitForEventToContinue();
6438
6439   DrawSetupScreen();
6440 }
6441
6442 static void ToggleGameSpeedsListIfNeeded(void)
6443 {
6444   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6445
6446   if (setup.game_speed_extended == using_game_speeds_extended)
6447     return;
6448
6449   // try to match similar values when changing game speeds list
6450   if (setup.game_speed_extended)
6451     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6452                               setup.game_frame_delay == 30 ? 29 :
6453                               setup.game_frame_delay);
6454   else
6455     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6456                               setup.game_frame_delay == 16 ? 15 :
6457                               setup.game_frame_delay >= 29 ? 30 :
6458                               setup.game_frame_delay <= 10 ? 10 :
6459                               setup.game_frame_delay);
6460
6461   execSetupGame_setGameSpeeds(TRUE);
6462
6463   DrawSetupScreen();
6464 }
6465
6466 static void ModifyGameSpeedIfNeeded(void)
6467 {
6468   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6469       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6470     return;
6471
6472   char message[100];
6473   char *game_speed_text = "Fast";
6474   int game_speed_value = 15;
6475
6476   if (setup.game_speed_extended)
6477   {
6478     game_speed_text = "60 fps";
6479     game_speed_value = 16;
6480   }
6481
6482   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6483
6484   // set game speed to existing list value that is fast enough for vsync
6485   setup.game_frame_delay = game_speed_value;
6486
6487   execSetupGame_setGameSpeeds(TRUE);
6488
6489   Request(message, REQ_CONFIRM);
6490 }
6491
6492 static void DisableVsyncIfNeeded(void)
6493 {
6494   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6495       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6496        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6497     return;
6498
6499   // disable vsync for the selected game speed to work
6500   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6501
6502   execSetupGraphics_setVsyncModes(TRUE);
6503
6504   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6505 }
6506
6507 static struct
6508 {
6509   void *value;
6510   void *related_value;
6511 } hide_related_entry_list[] =
6512 {
6513   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6514   { &setup.game_frame_delay,            &game_speed_text                },
6515
6516   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6517   { &setup.scroll_delay_value,          &scroll_delay_text              },
6518
6519   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6520   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6521
6522   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6523   { &setup.window_scaling_percent,      &window_size_text               },
6524
6525   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6526   { &setup.window_scaling_quality,      &scaling_type_text              },
6527
6528   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6529   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6530
6531   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6532   { &setup.vsync_mode,                  &vsync_mode_text                },
6533
6534   { &setup.graphics_set,                execSetupChooseGraphics         },
6535   { &setup.graphics_set,                &graphics_set_name              },
6536
6537   { &setup.sounds_set,                  execSetupChooseSounds           },
6538   { &setup.sounds_set,                  &sounds_set_name                },
6539
6540   { &setup.music_set,                   execSetupChooseMusic            },
6541   { &setup.music_set,                   &music_set_name                 },
6542
6543   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6544   { &setup.volume_simple,               &volume_simple_text             },
6545
6546   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6547   { &setup.volume_loops,                &volume_loops_text              },
6548
6549   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6550   { &setup.volume_music,                &volume_music_text              },
6551
6552   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6553   { &setup.touch.control_type,          &touch_controls_text            },
6554
6555   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6556   { &setup.touch.move_distance,         &move_distance_text             },
6557
6558   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6559   { &setup.touch.drop_distance,         &drop_distance_text             },
6560
6561   { &setup.touch.transparency,          execSetupChooseTransparency     },
6562   { &setup.touch.transparency,          &transparency_text              },
6563
6564   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6565   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6566
6567   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6568   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6569
6570   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6571   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6572
6573   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6574   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6575
6576   { &setup.internal.menu_game,          execSetupGame                   },
6577   { &setup.internal.menu_engines,       execSetupEngines                },
6578   { &setup.internal.menu_editor,        execSetupEditor                 },
6579   { &setup.internal.menu_graphics,      execSetupGraphics               },
6580   { &setup.internal.menu_sound,         execSetupSound                  },
6581   { &setup.internal.menu_artwork,       execSetupArtwork                },
6582   { &setup.internal.menu_input,         execSetupInput                  },
6583   { &setup.internal.menu_touch,         execSetupTouch                  },
6584   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6585   { &setup.internal.menu_exit,          execExitSetup                   },
6586   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6587
6588   { NULL,                               NULL                            }
6589 };
6590
6591 void setHideRelatedSetupEntries(void)
6592 {
6593   int i;
6594
6595   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6596     if (hideSetupEntry(hide_related_entry_list[i].value))
6597       setHideSetupEntry(hide_related_entry_list[i].related_value);
6598 }
6599
6600 static struct TokenInfo setup_info_main[] =
6601 {
6602   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6603   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6604   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6605   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6606   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6607   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6608   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6609   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6610   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6611   { TYPE_EMPTY,         NULL,                   ""                      },
6612   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6613   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6614
6615   { 0,                  NULL,                   NULL                    }
6616 };
6617
6618 static struct TokenInfo setup_info_game[] =
6619 {
6620   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6621   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6622   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6623   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6624   { TYPE_STRING,        &network_server_text,   ""                      },
6625   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6626   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6627   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6628   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6629   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6630   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6631   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6632   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6633   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6634   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6635   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6636   { TYPE_STRING,        &game_speed_text,       ""                      },
6637   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6638 #if 1
6639   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6640   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6641 #endif
6642   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6643   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6644   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6645   { TYPE_EMPTY,         NULL,                   ""                      },
6646   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6647
6648   { 0,                  NULL,                   NULL                    }
6649 };
6650
6651 static struct TokenInfo setup_info_engines[] =
6652 {
6653   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6654   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6655   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6656   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6657   { TYPE_EMPTY,         NULL,                   ""                      },
6658   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6659   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6660   { TYPE_EMPTY,         NULL,                   ""                      },
6661   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6662
6663   { 0,                  NULL,                   NULL                    }
6664 };
6665
6666 static struct TokenInfo setup_info_editor[] =
6667 {
6668 #if 0
6669   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6670   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6671   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6672   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6673   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6674   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6675   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6676   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6677   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6678   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6679 #endif
6680   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6681   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6682 #if 0
6683   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6684 #endif
6685   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6686   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6687   { TYPE_EMPTY,         NULL,                   ""                      },
6688 #if 0
6689   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6690   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6691   { TYPE_EMPTY,         NULL,                   ""                      },
6692 #endif
6693   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6694   { TYPE_EMPTY,         NULL,                   ""                      },
6695   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6696
6697   { 0,                  NULL,                   NULL                    }
6698 };
6699
6700 static struct TokenInfo setup_info_graphics[] =
6701 {
6702 #if !defined(PLATFORM_ANDROID)
6703   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6704   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6705   { TYPE_STRING,        &window_size_text,      ""                      },
6706   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6707   { TYPE_STRING,        &scaling_type_text,     ""                      },
6708   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6709   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6710 #endif
6711 #if 0
6712   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6713   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6714 #endif
6715   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6716   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6717   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6718   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6719   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6720   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6721   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6722   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6723   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6724   { TYPE_EMPTY,         NULL,                   ""                      },
6725   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6726
6727   { 0,                  NULL,                   NULL                    }
6728 };
6729
6730 static struct TokenInfo setup_info_sound[] =
6731 {
6732   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6733   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6734   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6735   { TYPE_EMPTY,         NULL,                   ""                      },
6736   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6737   { TYPE_STRING,        &volume_simple_text,    ""                      },
6738   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6739   { TYPE_STRING,        &volume_loops_text,     ""                      },
6740   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6741   { TYPE_STRING,        &volume_music_text,     ""                      },
6742   { TYPE_EMPTY,         NULL,                   ""                      },
6743   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6744
6745   { 0,                  NULL,                   NULL                    }
6746 };
6747
6748 static struct TokenInfo setup_info_artwork[] =
6749 {
6750   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6751   { TYPE_STRING,        &graphics_set_name,     ""                      },
6752   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6753   { TYPE_STRING,        &sounds_set_name,       ""                      },
6754   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6755   { TYPE_STRING,        &music_set_name,        ""                      },
6756   { TYPE_EMPTY,         NULL,                   ""                      },
6757   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6758   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6759   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6760   { TYPE_EMPTY,         NULL,                   ""                      },
6761   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6762
6763   { 0,                  NULL,                   NULL                    }
6764 };
6765
6766 static struct TokenInfo setup_info_input[] =
6767 {
6768   { TYPE_SWITCH,        NULL,                   "Player:"               },
6769   { TYPE_SWITCH,        NULL,                   "Device:"               },
6770   { TYPE_SWITCH,        NULL,                   ""                      },
6771   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6772   { TYPE_EMPTY,         NULL,                   ""                      },
6773   { TYPE_EMPTY,         NULL,                   ""                      },
6774   { TYPE_EMPTY,         NULL,                   ""                      },
6775   { TYPE_EMPTY,         NULL,                   ""                      },
6776   { TYPE_EMPTY,         NULL,                   ""                      },
6777   { TYPE_EMPTY,         NULL,                   ""                      },
6778   { TYPE_EMPTY,         NULL,                   ""                      },
6779   { TYPE_EMPTY,         NULL,                   ""                      },
6780   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6781   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6782
6783   { 0,                  NULL,                   NULL                    }
6784 };
6785
6786 static struct TokenInfo setup_info_touch[] =
6787 {
6788   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6789   { TYPE_STRING,        &touch_controls_text,   ""                      },
6790   { TYPE_EMPTY,         NULL,                   ""                      },
6791   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6792
6793   { 0,                  NULL,                   NULL                    }
6794 };
6795
6796 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6797 {
6798   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6799   { TYPE_STRING,        &touch_controls_text,   ""                      },
6800   { TYPE_EMPTY,         NULL,                   ""                      },
6801   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6802   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6803   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6804   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6805   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6806   { TYPE_STRING,        &transparency_text,     ""                      },
6807   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6808   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6809   { TYPE_EMPTY,         NULL,                   ""                      },
6810   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6811   { TYPE_EMPTY,         NULL,                   ""                      },
6812   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6813
6814   { 0,                  NULL,                   NULL                    }
6815 };
6816
6817 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6818 {
6819   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6820   { TYPE_STRING,        &touch_controls_text,   ""                      },
6821   { TYPE_EMPTY,         NULL,                   ""                      },
6822   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6823   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6824   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6825   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6826   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6827   { TYPE_STRING,        &transparency_text,     ""                      },
6828   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6829   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6830   { TYPE_EMPTY,         NULL,                   ""                      },
6831   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6832   { TYPE_EMPTY,         NULL,                   ""                      },
6833   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6834
6835   { 0,                  NULL,                   NULL                    }
6836 };
6837
6838 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6839 {
6840   setup_info_touch_virtual_buttons_0,
6841   setup_info_touch_virtual_buttons_1
6842 };
6843
6844 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6845 {
6846   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6847   { TYPE_STRING,        &touch_controls_text,   ""                      },
6848   { TYPE_EMPTY,         NULL,                   ""                      },
6849   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6850   { TYPE_STRING,        &move_distance_text,    ""                      },
6851   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6852   { TYPE_STRING,        &drop_distance_text,    ""                      },
6853   { TYPE_EMPTY,         NULL,                   ""                      },
6854   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6855
6856   { 0,                  NULL,                   NULL                    }
6857 };
6858
6859 static struct TokenInfo setup_info_shortcuts[] =
6860 {
6861   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6862   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6863   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6864   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6865   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6866   { TYPE_EMPTY,         NULL,                   ""                      },
6867   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6868
6869   { 0,                  NULL,                   NULL                    }
6870 };
6871
6872 static struct TokenInfo setup_info_shortcuts_1[] =
6873 {
6874   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6875   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6876   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6877   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6878   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6879   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6880   { TYPE_EMPTY,         NULL,                   ""                      },
6881   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6882   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6883   { TYPE_EMPTY,         NULL,                   ""                      },
6884   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6885
6886   { 0,                  NULL,                   NULL                    }
6887 };
6888
6889 static struct TokenInfo setup_info_shortcuts_2[] =
6890 {
6891   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6892   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6893   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6894   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6895   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6896   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6897   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6898   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6899   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6900   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6901   { TYPE_EMPTY,         NULL,                   ""                      },
6902   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6903
6904   { 0,                  NULL,                   NULL                    }
6905 };
6906
6907 static struct TokenInfo setup_info_shortcuts_3[] =
6908 {
6909   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6910   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6911   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6912   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6913   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6914   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6915   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6916   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6917   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6918   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6919   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6920   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6921   { TYPE_EMPTY,         NULL,                   ""                      },
6922   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6923
6924   { 0,                  NULL,                   NULL                    }
6925 };
6926
6927 static struct TokenInfo setup_info_shortcuts_4[] =
6928 {
6929   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6930   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6931   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6932   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6933   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6934   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6935   { TYPE_EMPTY,         NULL,                   ""                      },
6936   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6937
6938   { 0,                  NULL,                   NULL                    }
6939 };
6940
6941 static struct TokenInfo setup_info_shortcuts_5[] =
6942 {
6943   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6944   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6945   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6946   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6947   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6948   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6949   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6950   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6951   { TYPE_EMPTY,         NULL,                   ""                      },
6952   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6953
6954   { 0,                  NULL,                   NULL                    }
6955 };
6956
6957 static Key getSetupKey(void)
6958 {
6959   Key key = KSYM_UNDEFINED;
6960   boolean got_key_event = FALSE;
6961
6962   while (!got_key_event)
6963   {
6964     Event event;
6965
6966     if (NextValidEvent(&event))
6967     {
6968       switch (event.type)
6969       {
6970         case EVENT_KEYPRESS:
6971           {
6972             key = GetEventKey((KeyEvent *)&event, TRUE);
6973
6974             // press 'Escape' or 'Enter' to keep the existing key binding
6975             if (key == KSYM_Escape || key == KSYM_Return)
6976               key = KSYM_UNDEFINED;     // keep old value
6977
6978             got_key_event = TRUE;
6979           }
6980           break;
6981
6982         case EVENT_KEYRELEASE:
6983           key_joystick_mapping = 0;
6984           break;
6985
6986         default:
6987           HandleOtherEvents(&event);
6988           break;
6989       }
6990     }
6991
6992     BackToFront();
6993   }
6994
6995   return key;
6996 }
6997
6998 static int getSetupValueFont(int type, void *value)
6999 {
7000   if (type & TYPE_GHOSTED)
7001     return FONT_OPTION_OFF;
7002   else if (type & TYPE_KEY)
7003     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7004   else if (type & TYPE_STRING)
7005     return FONT_VALUE_2;
7006   else if (type & TYPE_ECS_AGA)
7007     return FONT_VALUE_1;
7008   else if (type & TYPE_BOOLEAN_STYLE)
7009     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7010   else if (type & TYPE_YES_NO_AUTO)
7011     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7012             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7013   else if (type & TYPE_PLAYER)
7014     return FONT_VALUE_1;
7015   else
7016     return FONT_VALUE_1;
7017 }
7018
7019 static int getSetupValueFontNarrow(int type, int font_nr)
7020 {
7021   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7022           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7023           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7024           font_nr);
7025 }
7026
7027 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7028 {
7029   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7030   struct TokenInfo *si = &setup_info[si_pos];
7031   boolean font_draw_xoffset_modified = FALSE;
7032   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7033   int font_draw_xoffset_old = -1;
7034   int xoffset = (scrollbar_needed ? -1 : 0);
7035   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7036   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7037   int xpos = menu_screen_value_xpos;
7038   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7039   int startx = mSX + xpos * 32;
7040   int starty = mSY + ypos * 32;
7041   int type = si->type;
7042   void *value = si->value;
7043   char *value_string = getSetupValue(type, value);
7044   int font_nr_default = getSetupValueFont(type, value);
7045   int font_width_default = getFontWidth(font_nr_default);
7046   int font_nr = font_nr_default;
7047   int i;
7048
7049   if (value_string == NULL)
7050     return;
7051
7052   if (type & TYPE_KEY)
7053   {
7054     xpos = MENU_SCREEN_START_XPOS;
7055
7056     if (type & TYPE_QUERY)
7057       value_string = "<press key>";
7058   }
7059   else if (type & TYPE_STRING)
7060   {
7061     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7062
7063     xpos = MENU_SCREEN_START_XPOS;
7064
7065     if (strlen(value_string) > max_value_len)
7066       value_string[max_value_len] = '\0';
7067   }
7068   else if (type & TYPE_YES_NO_AUTO)
7069   {
7070     xpos = menu_screen_value_xpos - 1;
7071   }
7072   else if (type & TYPE_PLAYER)
7073   {
7074     int displayed_player_nr = *(int *)value + 1;
7075
7076     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7077   }
7078
7079   startx = mSX + xpos * 32;
7080   starty = mSY + ypos * 32;
7081
7082   // special check if right-side setup values moved left due to scrollbar
7083   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7084   {
7085     int max_menu_text_length = 26;      // maximum text length for classic menu
7086     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7087     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7088     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7089     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7090     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7091
7092     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7093     {
7094       // when using narrow font, left-shifting text "auto" not needed
7095       if (type & TYPE_YES_NO_AUTO)
7096         xpos += 1;
7097
7098       xpos += 1;
7099       startx = mSX + xpos * 32;
7100
7101       font_nr = getSetupValueFontNarrow(type, font_nr);
7102     }
7103   }
7104
7105   // downward compatibility correction for Juergen Bonhagen's menu settings
7106   if (setup_mode != SETUP_MODE_INPUT)
7107   {
7108     int max_menu_text_length_big = (menu_screen_value_xpos -
7109                                     MENU_SCREEN_START_XPOS);
7110     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7111     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7112     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7113     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7114     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7115     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7116     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7117     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7118     boolean correct_font_draw_xoffset = FALSE;
7119
7120     if (xpos == MENU_SCREEN_START_XPOS &&
7121         startx + font1_xoffset < text_startx + text_font_xoffset)
7122       correct_font_draw_xoffset = TRUE;
7123
7124     if (xpos == menu_screen_value_xpos &&
7125         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7126       correct_font_draw_xoffset = TRUE;
7127
7128     // check if setup value would overlap with setup text when printed
7129     // (this can happen for extreme/wrong values for font draw offset)
7130     if (correct_font_draw_xoffset)
7131     {
7132       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7133       font_draw_xoffset_modified = TRUE;
7134
7135       if (type & TYPE_KEY)
7136         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7137       else if (!(type & TYPE_STRING))
7138         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7139           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7140     }
7141   }
7142
7143   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7144     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7145
7146   DrawText(startx, starty, value_string, font_nr);
7147
7148   if (type & TYPE_PLAYER)
7149   {
7150     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7151     int player_nr = *(int *)value;
7152     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7153     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7154     int startx2 = startx + xoff;
7155     int starty2 = starty + yoff;
7156
7157     if (DrawingOnBackground(startx2, starty2))
7158       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7159
7160     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7161                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7162   }
7163
7164   if (font_draw_xoffset_modified)
7165     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7166 }
7167
7168 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7169 {
7170   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7171   struct TokenInfo *si = &setup_info[si_pos];
7172
7173   if (si->type & TYPE_BOOLEAN_STYLE)
7174   {
7175     *(boolean *)si->value ^= TRUE;
7176   }
7177   else if (si->type & TYPE_YES_NO_AUTO)
7178   {
7179     *(int *)si->value =
7180       (dx == -1 ?
7181        (*(int *)si->value == AUTO ? TRUE :
7182         *(int *)si->value == TRUE ? FALSE : AUTO) :
7183        (*(int *)si->value == TRUE ? AUTO :
7184         *(int *)si->value == AUTO ? FALSE : TRUE));
7185   }
7186   else if (si->type & TYPE_KEY)
7187   {
7188     Key key;
7189
7190     si->type |= TYPE_QUERY;
7191     drawSetupValue(screen_pos, setup_info_pos_raw);
7192     si->type &= ~TYPE_QUERY;
7193
7194     key = getSetupKey();
7195     if (key != KSYM_UNDEFINED)
7196       *(Key *)si->value = key;
7197   }
7198   else if (si->type & TYPE_PLAYER)
7199   {
7200     int player_nr = *(int *)si->value;
7201
7202     if (dx)
7203       player_nr += dx;
7204     else
7205       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7206
7207     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7208   }
7209
7210   drawSetupValue(screen_pos, setup_info_pos_raw);
7211
7212   // fullscreen state may have changed at this point
7213   if (si->value == &setup.fullscreen)
7214     ToggleFullscreenIfNeeded();
7215
7216   // network mode may have changed at this point
7217   if (si->value == &setup.network_mode)
7218     ToggleNetworkModeIfNeeded();
7219
7220   // game speed list may have changed at this point
7221   if (si->value == &setup.game_speed_extended)
7222     ToggleGameSpeedsListIfNeeded();
7223 }
7224
7225 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7226 {
7227   static struct TokenInfo *setup_info_final = NULL;
7228   int list_size = 0;
7229   int list_pos = 0;
7230   int i;
7231
7232   // determine maximum list size of target list
7233   while (setup_info_orig[list_size++].type != 0);
7234
7235   // free, allocate and clear memory for target list
7236   checked_free(setup_info_final);
7237   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7238
7239   // copy setup info list without setup entries marked as hidden
7240   for (i = 0; setup_info_orig[i].type != 0; i++)
7241   {
7242     // skip setup entries configured to be hidden
7243     if (hideSetupEntry(setup_info_orig[i].value))
7244       continue;
7245
7246     // skip skippable setup entries if screen is lower than usual
7247     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7248         setup_info_orig[i].type == TYPE_SKIPPABLE)
7249       continue;
7250
7251     setup_info_final[list_pos++] = setup_info_orig[i];
7252   }
7253
7254   return setup_info_final;
7255 }
7256
7257 static void DrawSetupScreen_Generic(void)
7258 {
7259   int fade_mask = REDRAW_FIELD;
7260   boolean redraw_all = FALSE;
7261   char *title_string = NULL;
7262   int i;
7263
7264   if (CheckFadeAll())
7265     fade_mask = REDRAW_ALL;
7266
7267   UnmapAllGadgets();
7268   FadeMenuSoundsAndMusic();
7269
7270   FreeScreenGadgets();
7271   CreateScreenGadgets();
7272
7273   if (redraw_mask & REDRAW_ALL)
7274     redraw_all = TRUE;
7275
7276   FadeOut(fade_mask);
7277
7278   // needed if different viewport properties defined for setup screen
7279   ChangeViewportPropertiesIfNeeded();
7280
7281   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7282
7283   ClearField();
7284
7285   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7286
7287   if (setup_mode == SETUP_MODE_MAIN)
7288   {
7289     setup_info = setup_info_main;
7290     title_string = STR_SETUP_MAIN;
7291   }
7292   else if (setup_mode == SETUP_MODE_GAME)
7293   {
7294     setup_info = setup_info_game;
7295     title_string = STR_SETUP_GAME;
7296   }
7297   else if (setup_mode == SETUP_MODE_ENGINES)
7298   {
7299     setup_info = setup_info_engines;
7300     title_string = STR_SETUP_ENGINES;
7301   }
7302   else if (setup_mode == SETUP_MODE_EDITOR)
7303   {
7304     setup_info = setup_info_editor;
7305     title_string = STR_SETUP_EDITOR;
7306   }
7307   else if (setup_mode == SETUP_MODE_GRAPHICS)
7308   {
7309     setup_info = setup_info_graphics;
7310     title_string = STR_SETUP_GRAPHICS;
7311   }
7312   else if (setup_mode == SETUP_MODE_SOUND)
7313   {
7314     setup_info = setup_info_sound;
7315     title_string = STR_SETUP_SOUND;
7316   }
7317   else if (setup_mode == SETUP_MODE_ARTWORK)
7318   {
7319     setup_info = setup_info_artwork;
7320     title_string = STR_SETUP_ARTWORK;
7321   }
7322   else if (setup_mode == SETUP_MODE_TOUCH)
7323   {
7324     setup_info = setup_info_touch;
7325     title_string = STR_SETUP_TOUCH;
7326
7327     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7328       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7329     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7330       setup_info = setup_info_touch_wipe_gestures;
7331   }
7332   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7333   {
7334     setup_info = setup_info_shortcuts;
7335     title_string = STR_SETUP_SHORTCUTS;
7336   }
7337   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7338   {
7339     setup_info = setup_info_shortcuts_1;
7340     title_string = STR_SETUP_SHORTCUTS;
7341   }
7342   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7343   {
7344     setup_info = setup_info_shortcuts_2;
7345     title_string = STR_SETUP_SHORTCUTS;
7346   }
7347   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7348   {
7349     setup_info = setup_info_shortcuts_3;
7350     title_string = STR_SETUP_SHORTCUTS;
7351   }
7352   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7353   {
7354     setup_info = setup_info_shortcuts_4;
7355     title_string = STR_SETUP_SHORTCUTS;
7356   }
7357   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7358   {
7359     setup_info = setup_info_shortcuts_5;
7360     title_string = STR_SETUP_SHORTCUTS;
7361   }
7362
7363   // use modified setup info without setup entries marked as hidden
7364   setup_info = getSetupInfoFinal(setup_info);
7365
7366   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7367
7368   // determine maximal number of setup entries that can be displayed on screen
7369   num_setup_info = 0;
7370   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7371     num_setup_info++;
7372
7373   // determine maximal number of setup entries available for this setup screen
7374   max_setup_info = 0;
7375   for (i = 0; setup_info[i].type != 0; i++)
7376     max_setup_info++;
7377
7378   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7379
7380   MapScreenGadgets(max_setup_info);
7381
7382   if (redraw_all)
7383     redraw_mask = fade_mask = REDRAW_ALL;
7384
7385   DrawMaskedBorder(fade_mask);
7386
7387   FadeIn(fade_mask);
7388 }
7389
7390 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7391 {
7392   menu_info = setup_info;
7393
7394   HandleMenuScreen(mx, my, dx, dy, button,
7395                    setup_mode, num_setup_info, max_setup_info);
7396 }
7397
7398 static void DrawSetupScreen_Input(void)
7399 {
7400   int i;
7401
7402   FadeOut(REDRAW_FIELD);
7403
7404   ClearField();
7405
7406   setup_info = getSetupInfoFinal(setup_info_input);
7407
7408   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7409
7410   for (i = 0; setup_info[i].type != 0; i++)
7411   {
7412     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7413       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7414     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7415       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7416     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7417       initCursor(i, IMG_MENU_BUTTON);
7418
7419     DrawCursorAndText_Setup(i, -1, FALSE);
7420   }
7421
7422   // create gadgets for setup input menu screen
7423   FreeScreenGadgets();
7424   CreateScreenGadgets();
7425
7426   // map gadgets for setup input menu screen
7427   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7428
7429   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7430
7431   FadeIn(REDRAW_FIELD);
7432 }
7433
7434 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7435 {
7436   if (device_name == NULL)
7437     return;
7438
7439   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7440     device_nr = 0;
7441
7442   if (strlen(device_name) > 1)
7443   {
7444     char c1 = device_name[strlen(device_name) - 1];
7445     char c2 = device_name[strlen(device_name) - 2];
7446
7447     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7448       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7449   }
7450   else
7451     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7452             strlen(device_name));
7453 }
7454
7455 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7456 {
7457   int i;
7458   static struct SetupKeyboardInfo custom_key;
7459   static struct
7460   {
7461     Key *key;
7462     char *text;
7463   } custom[] =
7464   {
7465     { &custom_key.left,  "Axis/Pad Left"  },
7466     { &custom_key.right, "Axis/Pad Right" },
7467     { &custom_key.up,    "Axis/Pad Up"    },
7468     { &custom_key.down,  "Axis/Pad Down"  },
7469     { &custom_key.snap,  "Button 1/A/X"   },
7470     { &custom_key.drop,  "Button 2/B/Y"   }
7471   };
7472   static char *joystick_name[MAX_PLAYERS] =
7473   {
7474     "Joystick1",
7475     "Joystick2",
7476     "Joystick3",
7477     "Joystick4"
7478   };
7479   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7480   int font_nr_info = FONT_MENU_1;
7481   int font_nr_name = FONT_VALUE_OLD;
7482   int font_nr_on   = FONT_VALUE_1;
7483   int font_nr_off  = FONT_VALUE_OLD;
7484   int pos = 4;
7485
7486   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7487   {
7488     font_nr_info = FONT_MENU_2;
7489     font_nr_on   = FONT_VALUE_NARROW;
7490     font_nr_off  = FONT_VALUE_OLD_NARROW;
7491   }
7492
7493   custom_key = setup.input[player_nr].key;
7494
7495   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7496            FONT_INPUT_1_ACTIVE);
7497
7498   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7499                              TILEX, TILEY);
7500   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7501                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7502
7503   if (setup.input[player_nr].use_joystick)
7504   {
7505     char *device_name = setup.input[player_nr].joy.device_name;
7506     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7507     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7508     char *text = joystick_name[joystick_nr];
7509     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7510
7511     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7512     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7513   }
7514   else
7515   {
7516     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7517     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7518   }
7519
7520   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7521     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7522   else
7523     pos = 3;
7524
7525   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7526   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7527   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7528   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7529
7530   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7531   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7532   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7533   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7534   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7535   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7536
7537   for (i = 0; i < 6; i++)
7538   {
7539     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7540
7541     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7542              "              ", font_nr_on);
7543     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7544              (setup.input[player_nr].use_joystick ?
7545               custom[i].text :
7546               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7547   }
7548 }
7549
7550 static int input_player_nr = 0;
7551
7552 static void HandleSetupScreen_Input_Player(int step, int direction)
7553 {
7554   int old_player_nr = input_player_nr;
7555   int new_player_nr;
7556
7557   new_player_nr = old_player_nr + step * direction;
7558   if (new_player_nr < 0)
7559     new_player_nr = 0;
7560   if (new_player_nr > MAX_PLAYERS - 1)
7561     new_player_nr = MAX_PLAYERS - 1;
7562
7563   if (new_player_nr != old_player_nr)
7564   {
7565     input_player_nr = new_player_nr;
7566
7567     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7568   }
7569 }
7570
7571 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7572 {
7573   static int choice = 0;
7574   int x = 0;
7575   int y = choice;
7576   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7577   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7578   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7579   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7580
7581   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7582   {
7583     int i;
7584
7585     for (i = 0; setup_info_input[i].type != 0; i++)
7586     {
7587       // adjust menu structure according to skipped setup entries
7588       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7589       {
7590         pos_empty2--;
7591         pos_end--;
7592       }
7593     }
7594   }
7595
7596   if (button == MB_MENU_INITIALIZE)
7597   {
7598     // input setup menu may have changed size due to graphics configuration
7599     if (choice >= pos_empty1)
7600       choice = pos_end;
7601
7602     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7603
7604     DrawCursorAndText_Setup(choice, -1, TRUE);
7605
7606     return;
7607   }
7608   else if (button == MB_MENU_LEAVE)
7609   {
7610     setup_mode = SETUP_MODE_MAIN;
7611     DrawSetupScreen();
7612     InitJoysticks();
7613
7614     return;
7615   }
7616
7617   if (mx || my)         // mouse input
7618   {
7619     x = (mx - mSX) / 32;
7620     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7621   }
7622   else if (dx || dy)    // keyboard input
7623   {
7624     if (dx && choice == 0)
7625       x = (dx < 0 ? 10 : 12);
7626     else if ((dx && choice == 1) ||
7627              (dx == -1 && choice == pos_end))
7628       button = MB_MENU_CHOICE;
7629     else if (dy)
7630       y = choice + dy;
7631
7632     if (y >= pos_empty1 && y <= pos_empty2)
7633       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7634   }
7635
7636   if (y == 0 && dx != 0 && button)
7637   {
7638     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7639   }
7640   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7641            y >= pos_start && y <= pos_end &&
7642            !(y >= pos_empty1 && y <= pos_empty2))
7643   {
7644     if (button)
7645     {
7646       if (y != choice)
7647       {
7648         DrawCursorAndText_Setup(choice, -1, FALSE);
7649         DrawCursorAndText_Setup(y, -1, TRUE);
7650
7651         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7652
7653         choice = y;
7654       }
7655     }
7656     else
7657     {
7658       if (y == 1)
7659       {
7660         char *device_name = setup.input[input_player_nr].joy.device_name;
7661
7662         if (!setup.input[input_player_nr].use_joystick)
7663         {
7664           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7665
7666           setJoystickDeviceToNr(device_name, new_device_nr);
7667           setup.input[input_player_nr].use_joystick = TRUE;
7668         }
7669         else
7670         {
7671           int device_nr = getJoystickNrFromDeviceName(device_name);
7672           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7673
7674           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7675             setup.input[input_player_nr].use_joystick = FALSE;
7676           else
7677             setJoystickDeviceToNr(device_name, new_device_nr);
7678         }
7679
7680         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7681       }
7682       else if (y == 2)
7683       {
7684         if (setup.input[input_player_nr].use_joystick)
7685           ConfigureJoystick(input_player_nr);
7686         else
7687           CustomizeKeyboard(input_player_nr);
7688       }
7689       else if (y == pos_end)
7690       {
7691         InitJoysticks();
7692
7693         FadeSetLeaveMenu();
7694
7695         setup_mode = SETUP_MODE_MAIN;
7696         DrawSetupScreen();
7697       }
7698     }
7699   }
7700 }
7701
7702 static boolean CustomizeKeyboardMain(int player_nr)
7703 {
7704   int i;
7705   int step_nr;
7706   boolean finished = FALSE;
7707   static struct SetupKeyboardInfo custom_key;
7708   static struct
7709   {
7710     Key *key;
7711     char *text;
7712   } customize_step[] =
7713   {
7714     { &custom_key.left,  "Move Left"    },
7715     { &custom_key.right, "Move Right"   },
7716     { &custom_key.up,    "Move Up"      },
7717     { &custom_key.down,  "Move Down"    },
7718     { &custom_key.snap,  "Snap Field"   },
7719     { &custom_key.drop,  "Drop Element" }
7720   };
7721   int font_nr_old = FONT_VALUE_OLD;
7722   int font_nr_new = FONT_VALUE_1;
7723   boolean success = FALSE;
7724
7725   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7726   {
7727     font_nr_old = FONT_VALUE_OLD_NARROW;
7728     font_nr_new = FONT_VALUE_NARROW;
7729   }
7730
7731   // read existing key bindings from player setup
7732   custom_key = setup.input[player_nr].key;
7733
7734   FadeSetEnterMenu();
7735   FadeOut(REDRAW_FIELD);
7736
7737   ClearField();
7738
7739   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7740
7741   step_nr = 0;
7742   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7743            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7744   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7745            "Key:", FONT_INPUT_1_ACTIVE);
7746   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7747            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7748
7749   FadeIn(REDRAW_FIELD);
7750
7751   while (!finished)
7752   {
7753     Event event;
7754
7755     if (NextValidEvent(&event))
7756     {
7757       switch (event.type)
7758       {
7759         case EVENT_KEYPRESS:
7760           {
7761             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7762
7763             // press 'Escape' to abort and keep the old key bindings
7764             if (key == KSYM_Escape)
7765             {
7766               FadeSkipNextFadeIn();
7767
7768               finished = TRUE;
7769
7770               break;
7771             }
7772
7773             // press 'Enter' to keep the existing key binding
7774             if (key == KSYM_Return)
7775               key = *customize_step[step_nr].key;
7776
7777             // check if key already used
7778             for (i = 0; i < step_nr; i++)
7779               if (*customize_step[i].key == key)
7780                 break;
7781             if (i < step_nr)
7782               break;
7783
7784             // got new key binding
7785             *customize_step[step_nr].key = key;
7786             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7787                      "             ", font_nr_new);
7788             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7789                      getKeyNameFromKey(key), font_nr_new);
7790             step_nr++;
7791
7792             // un-highlight last query
7793             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7794                      customize_step[step_nr - 1].text, FONT_MENU_1);
7795             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7796                      "Key:", FONT_MENU_1);
7797
7798             // all keys configured
7799             if (step_nr == 6)
7800             {
7801               finished = TRUE;
7802               success = TRUE;
7803
7804               break;
7805             }
7806
7807             // query next key binding
7808             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7809                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7810             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7811                      "Key:", FONT_INPUT_1_ACTIVE);
7812             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7813                      getKeyNameFromKey(*customize_step[step_nr].key),
7814                      font_nr_old);
7815           }
7816           break;
7817
7818         case EVENT_KEYRELEASE:
7819           key_joystick_mapping = 0;
7820           break;
7821
7822         default:
7823           HandleOtherEvents(&event);
7824           break;
7825       }
7826     }
7827
7828     BackToFront();
7829   }
7830
7831   // write new key bindings back to player setup, if successfully finished
7832   if (success)
7833     setup.input[player_nr].key = custom_key;
7834
7835   return success;
7836 }
7837
7838 void CustomizeKeyboard(int player_nr)
7839 {
7840   boolean success = CustomizeKeyboardMain(player_nr);
7841
7842   if (success)
7843   {
7844     int font_nr = FONT_TITLE_1;
7845     int font_height = getFontHeight(font_nr);
7846     int ypos1 = SYSIZE / 2 - font_height * 2;
7847     int ypos2 = SYSIZE / 2 - font_height * 1;
7848     unsigned int wait_frame_delay = 0;
7849     unsigned int wait_frame_delay_value = 2000;
7850
7851     ResetDelayCounter(&wait_frame_delay);
7852
7853     ClearField();
7854
7855     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7856     DrawTextSCentered(ypos2, font_nr, "configured!");
7857
7858     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7859       BackToFront();
7860
7861     ClearEventQueue();
7862   }
7863
7864   DrawSetupScreen_Input();
7865 }
7866
7867 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7868
7869 #define MARKER_BUTTON           1
7870 #define MARKER_AXIS_X           2
7871 #define MARKER_AXIS_Y           3
7872
7873 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7874 {
7875   static boolean bitmaps_initialized = FALSE;
7876   boolean screen_initialized = FALSE;
7877   static Bitmap *controller, *button, *axis_x, *axis_y;
7878   char *name;
7879   boolean success = TRUE;
7880   boolean done = FALSE, next = FALSE;
7881   Event event;
7882   int alpha = 200, alpha_step = -1;
7883   int alpha_ticks = 0;
7884   char mapping[4096], temp[256];
7885   int font_name = MENU_SETUP_FONT_TITLE;
7886   int font_info = MENU_SETUP_FONT_TEXT;
7887   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7888   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7889   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7890   int ystep_name = getMenuTextStep(spacing_name, font_name);
7891   int ystep_line = getMenuTextStep(spacing_line, font_info);
7892   int ystep_para = getMenuTextStep(spacing_para, font_info);
7893   int i, j;
7894
7895   struct
7896   {
7897     int x, y;
7898     int marker;
7899     char *field;
7900     int axis, button, hat, hat_value;
7901     char mapping[4096];
7902   }
7903   *step, *prev_step, steps[] =
7904   {
7905     { 356, 155, MARKER_BUTTON, "a",             },
7906     { 396, 122, MARKER_BUTTON, "b",             },
7907     { 320, 125, MARKER_BUTTON, "x",             },
7908     { 358,  95, MARKER_BUTTON, "y",             },
7909     { 162, 125, MARKER_BUTTON, "back",          },
7910     { 216, 125, MARKER_BUTTON, "guide",         },
7911     { 271, 125, MARKER_BUTTON, "start",         },
7912     { 110, 200, MARKER_BUTTON, "dpleft",        },
7913     { 146, 228, MARKER_BUTTON, "dpdown",        },
7914     { 178, 200, MARKER_BUTTON, "dpright",       },
7915     { 146, 172, MARKER_BUTTON, "dpup",          },
7916     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7917     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7918     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7919     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7920     {  73, 141, MARKER_BUTTON, "leftstick",     },
7921     { 282, 210, MARKER_BUTTON, "rightstick",    },
7922     {  73, 141, MARKER_AXIS_X, "leftx",         },
7923     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7924     { 282, 210, MARKER_AXIS_X, "rightx",        },
7925     { 282, 210, MARKER_AXIS_Y, "righty",        },
7926   };
7927
7928   unsigned int event_frame_delay = 0;
7929   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7930
7931   ResetDelayCounter(&event_frame_delay);
7932
7933   if (!bitmaps_initialized)
7934   {
7935     controller = LoadCustomImage("joystick/controller.png");
7936     button     = LoadCustomImage("joystick/button.png");
7937     axis_x     = LoadCustomImage("joystick/axis_x.png");
7938     axis_y     = LoadCustomImage("joystick/axis_y.png");
7939
7940     bitmaps_initialized = TRUE;
7941   }
7942
7943   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7944
7945 #if DEBUG_JOYSTICKS
7946   // print info about the joystick we are watching
7947   Debug("joystick", "watching joystick %d: (%s)",
7948         SDL_JoystickInstanceID(joystick), name);
7949   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7950         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7951         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7952 #endif
7953
7954   // initialize mapping with GUID and name
7955   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7956
7957   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7958            temp, name, SDL_GetPlatform());
7959
7960   // loop through all steps (buttons and axes), getting joystick events
7961   for (i = 0; i < SDL_arraysize(steps) && !done;)
7962   {
7963     Bitmap *marker = button;    // initialize with reliable default value
7964
7965     step = &steps[i];
7966     strcpy(step->mapping, mapping);
7967     step->axis = -1;
7968     step->button = -1;
7969     step->hat = -1;
7970     step->hat_value = -1;
7971
7972     marker = (step->marker == MARKER_BUTTON ? button :
7973               step->marker == MARKER_AXIS_X ? axis_x :
7974               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7975
7976     next = FALSE;
7977
7978     while (!done && !next)
7979     {
7980       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7981       alpha_ticks = SDL_GetTicks();
7982
7983       if (alpha >= 255)
7984       {
7985         alpha = 255;
7986         alpha_step = -1;
7987       }
7988       else if (alpha < 128)
7989       {
7990         alpha = 127;
7991         alpha_step = 1;
7992       }
7993
7994       int controller_x = SX + (SXSIZE - controller->width) / 2;
7995       int controller_y = SY + ystep_line;
7996
7997       int marker_x = controller_x + step->x;
7998       int marker_y = controller_y + step->y;
7999
8000       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8001       int ystart2 = ystart1 + ystep_name + ystep_line;
8002
8003       ClearField();
8004
8005       DrawTextSCentered(ystart1, font_name, name);
8006
8007       DrawTextSCentered(ystart2, font_info,
8008                         "Press buttons and move axes on");
8009       ystart2 += ystep_line;
8010       DrawTextSCentered(ystart2, font_info,
8011                         "your controller when indicated.");
8012       ystart2 += ystep_line;
8013       DrawTextSCentered(ystart2, font_info,
8014                         "(Your controller may look different.)");
8015       ystart2 += ystep_para;
8016
8017 #if defined(PLATFORM_ANDROID)
8018       DrawTextSCentered(ystart2, font_info,
8019                         "To correct a mistake,");
8020       ystart2 += ystep_line;
8021       DrawTextSCentered(ystart2, font_info,
8022                         "press the 'back' button.");
8023       ystart2 += ystep_line;
8024       DrawTextSCentered(ystart2, font_info,
8025                         "To skip a button or axis,");
8026       ystart2 += ystep_line;
8027       DrawTextSCentered(ystart2, font_info,
8028                         "press the 'menu' button.");
8029 #else
8030       DrawTextSCentered(ystart2, font_info,
8031                         "To correct a mistake,");
8032       ystart2 += ystep_line;
8033       DrawTextSCentered(ystart2, font_info,
8034                         "press the 'backspace' key.");
8035       ystart2 += ystep_line;
8036       DrawTextSCentered(ystart2, font_info,
8037                         "To skip a button or axis,");
8038       ystart2 += ystep_line;
8039       DrawTextSCentered(ystart2, font_info,
8040                         "press the 'return' key.");
8041       ystart2 += ystep_line;
8042       DrawTextSCentered(ystart2, font_info,
8043                         "To exit, press the 'escape' key.");
8044 #endif
8045
8046       BlitBitmapMasked(controller, drawto, 0, 0,
8047                        controller->width, controller->height,
8048                        controller_x, controller_y);
8049
8050       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8051       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8052
8053       BlitBitmapMasked(marker, drawto, 0, 0,
8054                        marker->width, marker->height,
8055                        marker_x, marker_y);
8056
8057       if (!screen_initialized)
8058         FadeIn(REDRAW_FIELD);
8059       else
8060         BackToFront();
8061
8062       screen_initialized = TRUE;
8063
8064       while (NextValidEvent(&event))
8065       {
8066         switch (event.type)
8067         {
8068           case SDL_JOYAXISMOTION:
8069             if (event.jaxis.value > 20000 ||
8070                 event.jaxis.value < -20000)
8071             {
8072               for (j = 0; j < i; j++)
8073                 if (steps[j].axis == event.jaxis.axis)
8074                   break;
8075
8076               if (j == i)
8077               {
8078                 if (step->marker != MARKER_AXIS_X &&
8079                     step->marker != MARKER_AXIS_Y)
8080                   break;
8081
8082                 step->axis = event.jaxis.axis;
8083                 strcat(mapping, step->field);
8084                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8085                 strcat(mapping, temp);
8086                 i++;
8087                 next = TRUE;
8088               }
8089             }
8090
8091             break;
8092
8093           case SDL_JOYHATMOTION:
8094             // ignore centering; we're probably just coming back
8095             // to the center from the previous item we set
8096             if (event.jhat.value == SDL_HAT_CENTERED)
8097               break;
8098
8099             for (j = 0; j < i; j++)
8100               if (steps[j].hat == event.jhat.hat &&
8101                   steps[j].hat_value == event.jhat.value)
8102                 break;
8103
8104             if (j == i)
8105             {
8106               step->hat = event.jhat.hat;
8107               step->hat_value = event.jhat.value;
8108               strcat(mapping, step->field);
8109               snprintf(temp, sizeof(temp), ":h%u.%u,",
8110                        event.jhat.hat, event.jhat.value );
8111               strcat(mapping, temp);
8112               i++;
8113               next = TRUE;
8114             }
8115
8116             break;
8117
8118           case SDL_JOYBALLMOTION:
8119             break;
8120
8121           case SDL_JOYBUTTONUP:
8122             for (j = 0; j < i; j++)
8123               if (steps[j].button == event.jbutton.button)
8124                 break;
8125
8126             if (j == i)
8127             {
8128               step->button = event.jbutton.button;
8129               strcat(mapping, step->field);
8130               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8131               strcat(mapping, temp);
8132               i++;
8133               next = TRUE;
8134             }
8135
8136             break;
8137
8138           case SDL_FINGERDOWN:
8139           case SDL_MOUSEBUTTONDOWN:
8140             // skip this step
8141             i++;
8142             next = TRUE;
8143
8144             break;
8145
8146           case SDL_KEYDOWN:
8147             if (event.key.keysym.sym == KSYM_BackSpace ||
8148                 event.key.keysym.sym == KSYM_Back)
8149             {
8150               if (i == 0)
8151               {
8152                 // leave screen
8153                 success = FALSE;
8154                 done = TRUE;
8155
8156                 break;
8157               }
8158
8159               // undo this step
8160               prev_step = &steps[i - 1];
8161               strcpy(mapping, prev_step->mapping);
8162               i--;
8163               next = TRUE;
8164
8165               break;
8166             }
8167
8168             if (event.key.keysym.sym == KSYM_space ||
8169                 event.key.keysym.sym == KSYM_Return ||
8170                 event.key.keysym.sym == KSYM_Menu)
8171             {
8172               // skip this step
8173               i++;
8174               next = TRUE;
8175
8176               break;
8177             }
8178
8179             if (event.key.keysym.sym == KSYM_Escape)
8180             {
8181               // leave screen
8182               success = FALSE;
8183               done = TRUE;
8184             }
8185
8186             break;
8187
8188           case SDL_QUIT:
8189             program.exit_function(0);
8190             break;
8191
8192           default:
8193             break;
8194         }
8195
8196         // do not handle events for longer than standard frame delay period
8197         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8198           break;
8199       }
8200     }
8201   }
8202
8203   if (success)
8204   {
8205 #if DEBUG_JOYSTICKS
8206     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8207 #endif
8208
8209     // activate mapping for this game
8210     SDL_GameControllerAddMapping(mapping);
8211
8212     // save mapping to personal mappings
8213     SaveSetup_AddGameControllerMapping(mapping);
8214   }
8215
8216   // wait until the last pending event was removed from event queue
8217   while (NextValidEvent(&event));
8218
8219   return success;
8220 }
8221
8222 static int ConfigureJoystickMain(int player_nr)
8223 {
8224   char *device_name = setup.input[player_nr].joy.device_name;
8225   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8226   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8227   int success = FALSE;
8228   int i;
8229
8230   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8231     return JOYSTICK_NOT_AVAILABLE;
8232
8233   if (!joystick_active || !setup.input[player_nr].use_joystick)
8234     return JOYSTICK_NOT_AVAILABLE;
8235
8236   FadeSetEnterMenu();
8237   FadeOut(REDRAW_FIELD);
8238
8239   // close all joystick devices (potentially opened as game controllers)
8240   for (i = 0; i < SDL_NumJoysticks(); i++)
8241     SDLCloseJoystick(i);
8242
8243   // open joystick device as plain joystick to configure as game controller
8244   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8245
8246   // as the joystick was successfully opened before, this should not happen
8247   if (joystick == NULL)
8248     return FALSE;
8249
8250   // create new game controller mapping (buttons and axes) for joystick device
8251   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8252
8253   // close joystick (and maybe re-open as configured game controller later)
8254   SDL_JoystickClose(joystick);
8255
8256   // re-open all joystick devices (potentially as game controllers)
8257   for (i = 0; i < SDL_NumJoysticks(); i++)
8258     SDLOpenJoystick(i);
8259
8260   // clear all joystick input actions for all joystick devices
8261   SDLClearJoystickState();
8262
8263   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8264 }
8265
8266 void ConfigureJoystick(int player_nr)
8267 {
8268   boolean state = ConfigureJoystickMain(player_nr);
8269
8270   if (state != JOYSTICK_NOT_CONFIGURED)
8271   {
8272     boolean success = (state == JOYSTICK_CONFIGURED);
8273     char message1[MAX_OUTPUT_LINESIZE + 1];
8274     char *message2 = (success ? "configured!" : "not available!");
8275     char *device_name = setup.input[player_nr].joy.device_name;
8276     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8277     int font_nr = FONT_TITLE_1;
8278     int font_height = getFontHeight(font_nr);
8279     int ypos1 = SYSIZE / 2 - font_height * 2;
8280     int ypos2 = SYSIZE / 2 - font_height * 1;
8281     unsigned int wait_frame_delay = 0;
8282     unsigned int wait_frame_delay_value = 2000;
8283
8284     ResetDelayCounter(&wait_frame_delay);
8285
8286     ClearField();
8287
8288     sprintf(message1, "Joystick %d", nr);
8289
8290     DrawTextSCentered(ypos1, font_nr, message1);
8291     DrawTextSCentered(ypos2, font_nr, message2);
8292
8293     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8294       BackToFront();
8295
8296     ClearEventQueue();
8297   }
8298
8299   DrawSetupScreen_Input();
8300 }
8301
8302 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8303 {
8304   if (y < video.screen_height / 3)
8305   {
8306     // remap touch gadgets to access upper part of the screen
8307     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8308     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8309   }
8310   else if (y > 2 * video.screen_height / 3)
8311   {
8312     // remap touch gadgets to access lower part of the screen
8313     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8314     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8315   }
8316 }
8317
8318 static boolean ConfigureVirtualButtonsMain(void)
8319 {
8320   static char *customize_step_text[] =
8321   {
8322     "Move Left",
8323     "Move Right",
8324     "Move Up",
8325     "Move Down",
8326     "Snap Field",
8327     "Drop Element"
8328   };
8329   char grid_button[] =
8330   {
8331     CHAR_GRID_BUTTON_LEFT,
8332     CHAR_GRID_BUTTON_RIGHT,
8333     CHAR_GRID_BUTTON_UP,
8334     CHAR_GRID_BUTTON_DOWN,
8335     CHAR_GRID_BUTTON_SNAP,
8336     CHAR_GRID_BUTTON_DROP
8337   };
8338   enum
8339   {
8340     ACTION_NONE,
8341     ACTION_ESCAPE,
8342     ACTION_BACK,
8343     ACTION_NEXT
8344   };
8345   int font_nr = FONT_INPUT_1_ACTIVE;
8346   int font_height = getFontHeight(font_nr);
8347   int ypos1 = SYSIZE / 2 - font_height * 2;
8348   int ypos2 = SYSIZE / 2 - font_height * 1;
8349   boolean success = FALSE;
8350   boolean finished = FALSE;
8351   int step_nr = 0;
8352   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8353   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8354   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8355   boolean set_grid_button = FALSE;
8356   int nr = GRID_ACTIVE_NR();
8357   int x, y;
8358
8359   for (x = 0; x < MAX_GRID_XSIZE; x++)
8360     for (y = 0; y < MAX_GRID_YSIZE; y++)
8361       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8362
8363   overlay.grid_button_highlight = grid_button[step_nr];
8364
8365   UnmapAllGadgets();
8366
8367   FadeSetEnterMenu();
8368   FadeOut(REDRAW_FIELD);
8369
8370   ClearField();
8371
8372   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8373   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8374   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8375
8376   FadeIn(REDRAW_FIELD);
8377
8378   SetOverlayShowGrid(TRUE);
8379
8380   // map gadgets for setup touch buttons menu screen
8381   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8382
8383   while (!finished)
8384   {
8385     Event event;
8386
8387     while (NextValidEvent(&event))
8388     {
8389       int action = ACTION_NONE;
8390
8391       // ---------- handle events and set the resulting action ----------
8392
8393       switch (event.type)
8394       {
8395         case EVENT_USER:
8396           {
8397             UserEvent *user = (UserEvent *)&event;
8398             int id = user->value1;
8399
8400             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8401                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8402                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8403                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8404                       ACTION_NONE);
8405           }
8406           break;
8407
8408         case EVENT_KEYPRESS:
8409           {
8410             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8411
8412             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8413                       key == KSYM_BackSpace ||
8414                       key == KSYM_Back ?        ACTION_BACK :
8415                       key == KSYM_Return ||
8416                       key == KSYM_Menu ||
8417                       key == KSYM_space ?       ACTION_NEXT :
8418                       ACTION_NONE);
8419           }
8420           break;
8421
8422         case EVENT_KEYRELEASE:
8423           key_joystick_mapping = 0;
8424           break;
8425
8426         case EVENT_BUTTONPRESS:
8427         case EVENT_BUTTONRELEASE:
8428           {
8429             ButtonEvent *button = (ButtonEvent *)&event;
8430
8431             motion_status = FALSE;
8432
8433             if (button->type == EVENT_BUTTONPRESS)
8434               button_status = button->button;
8435             else
8436               button_status = MB_RELEASED;
8437
8438             if (HandleGadgets(button->x, button->y, button_status))
8439             {
8440               // do not handle this button event anymore
8441               break;
8442             }
8443
8444             button->x += video.screen_xoffset;
8445             button->y += video.screen_yoffset;
8446
8447             x = button->x * overlay.grid_xsize / video.screen_width;
8448             y = button->y * overlay.grid_ysize / video.screen_height;
8449
8450             if (button->type == EVENT_BUTTONPRESS)
8451             {
8452               grid_button_draw =
8453                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8454                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8455
8456               set_grid_button = TRUE;
8457             }
8458
8459             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8460           }
8461           break;
8462
8463         case EVENT_MOTIONNOTIFY:
8464           {
8465             MotionEvent *motion = (MotionEvent *)&event;
8466
8467             motion_status = TRUE;
8468
8469             if (HandleGadgets(motion->x, motion->y, button_status))
8470             {
8471               // do not handle this button event anymore
8472               break;
8473             }
8474
8475             motion->x += video.screen_xoffset;
8476             motion->y += video.screen_yoffset;
8477
8478             x = motion->x * overlay.grid_xsize / video.screen_width;
8479             y = motion->y * overlay.grid_ysize / video.screen_height;
8480
8481             set_grid_button = TRUE;
8482
8483             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8484           }
8485           break;
8486
8487         case SDL_WINDOWEVENT:
8488           HandleWindowEvent((WindowEvent *) &event);
8489
8490           // check if device has been rotated
8491           if (nr != GRID_ACTIVE_NR())
8492           {
8493             nr = GRID_ACTIVE_NR();
8494
8495             for (x = 0; x < MAX_GRID_XSIZE; x++)
8496               for (y = 0; y < MAX_GRID_YSIZE; y++)
8497                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8498                   overlay.grid_button[x][y];
8499           }
8500
8501           break;
8502
8503         case SDL_APP_WILLENTERBACKGROUND:
8504         case SDL_APP_DIDENTERBACKGROUND:
8505         case SDL_APP_WILLENTERFOREGROUND:
8506         case SDL_APP_DIDENTERFOREGROUND:
8507           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8508           break;
8509
8510         default:
8511           HandleOtherEvents(&event);
8512           break;
8513       }
8514
8515       // ---------- perform action set by handling events ----------
8516
8517       if (action == ACTION_ESCAPE)
8518       {
8519         // abort and restore the old key bindings
8520
8521         for (x = 0; x < MAX_GRID_XSIZE; x++)
8522           for (y = 0; y < MAX_GRID_YSIZE; y++)
8523             overlay.grid_button[x][y] = grid_button_old[x][y];
8524
8525         FadeSkipNextFadeIn();
8526
8527         finished = TRUE;
8528       }
8529       else if (action == ACTION_BACK)
8530       {
8531         // keep the configured key bindings and go to previous page
8532
8533         step_nr--;
8534
8535         if (step_nr < 0)
8536         {
8537           FadeSkipNextFadeIn();
8538
8539           finished = TRUE;
8540         }
8541       }
8542       else if (action == ACTION_NEXT)
8543       {
8544         // keep the configured key bindings and go to next page
8545
8546         step_nr++;
8547
8548         // all virtual buttons configured
8549         if (step_nr == 6)
8550         {
8551           finished = TRUE;
8552           success = TRUE;
8553         }
8554       }
8555
8556       if (action != ACTION_NONE && !finished)
8557       {
8558         for (x = 0; x < MAX_GRID_XSIZE; x++)
8559           for (y = 0; y < MAX_GRID_YSIZE; y++)
8560             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8561
8562         overlay.grid_button_highlight = grid_button[step_nr];
8563
8564         // configure next virtual button
8565
8566         ClearField();
8567
8568         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8569         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8570         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8571       }
8572
8573       if (set_grid_button)
8574       {
8575         overlay.grid_button[x][y] =
8576           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8577            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8578            grid_button_tmp[x][y]);
8579
8580         set_grid_button = FALSE;
8581       }
8582     }
8583
8584     BackToFront();
8585   }
8586
8587   for (x = 0; x < MAX_GRID_XSIZE; x++)
8588     for (y = 0; y < MAX_GRID_YSIZE; y++)
8589       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8590
8591   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8592
8593   SetOverlayShowGrid(FALSE);
8594
8595   return success;
8596 }
8597
8598 void ConfigureVirtualButtons(void)
8599 {
8600   boolean success = ConfigureVirtualButtonsMain();
8601
8602   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8603                          SCREEN_MASK_TOUCH2);
8604
8605   if (success)
8606   {
8607     int font_nr = FONT_TITLE_1;
8608     int font_height = getFontHeight(font_nr);
8609     int ypos1 = SYSIZE / 2 - font_height * 2;
8610     int ypos2 = SYSIZE / 2 - font_height * 1;
8611     unsigned int wait_frame_delay = 0;
8612     unsigned int wait_frame_delay_value = 2000;
8613
8614     ResetDelayCounter(&wait_frame_delay);
8615
8616     ClearField();
8617
8618     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8619     DrawTextSCentered(ypos2, font_nr, "configured!");
8620
8621     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8622       BackToFront();
8623
8624     ClearEventQueue();
8625   }
8626 }
8627
8628 void DrawSetupScreen(void)
8629 {
8630   align_xoffset = 0;
8631   align_yoffset = 0;
8632
8633   if (setup_mode == SETUP_MODE_INPUT)
8634     DrawSetupScreen_Input();
8635   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8636     DrawChooseTree(&game_speed_current);
8637   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8638     DrawChooseTree(&scroll_delay_current);
8639   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8640     DrawChooseTree(&snapshot_mode_current);
8641   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8642     DrawChooseTree(&window_size_current);
8643   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8644     DrawChooseTree(&scaling_type_current);
8645   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8646     DrawChooseTree(&rendering_mode_current);
8647   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8648     DrawChooseTree(&vsync_mode_current);
8649   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8650     DrawChooseTree(&artwork.gfx_current);
8651   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8652     DrawChooseTree(&artwork.snd_current);
8653   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8654     DrawChooseTree(&artwork.mus_current);
8655   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8656     DrawChooseTree(&volume_simple_current);
8657   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8658     DrawChooseTree(&volume_loops_current);
8659   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8660     DrawChooseTree(&volume_music_current);
8661   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8662     DrawChooseTree(&touch_control_current);
8663   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8664     DrawChooseTree(&move_distance_current);
8665   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8666     DrawChooseTree(&drop_distance_current);
8667   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8668     DrawChooseTree(&transparency_current);
8669   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8670     DrawChooseTree(&grid_size_current[0][0]);
8671   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8672     DrawChooseTree(&grid_size_current[0][1]);
8673   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8674     DrawChooseTree(&grid_size_current[1][0]);
8675   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8676     DrawChooseTree(&grid_size_current[1][1]);
8677   else
8678     DrawSetupScreen_Generic();
8679
8680   PlayMenuSoundsAndMusic();
8681 }
8682
8683 void RedrawSetupScreenAfterFullscreenToggle(void)
8684 {
8685   if (setup_mode == SETUP_MODE_GRAPHICS ||
8686       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8687   {
8688     // update list selection from "setup.window_scaling_percent"
8689     execSetupGraphics_setWindowSizes(TRUE);
8690
8691     DrawSetupScreen();
8692   }
8693 }
8694
8695 void RedrawSetupScreenAfterScreenRotation(int nr)
8696 {
8697   int x, y;
8698
8699   if (setup_mode == SETUP_MODE_TOUCH)
8700   {
8701     // update virtual button settings (depending on screen orientation)
8702     DrawSetupScreen();
8703   }
8704   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8705   {
8706     // save already configured virtual buttons
8707     for (x = 0; x < MAX_GRID_XSIZE; x++)
8708       for (y = 0; y < MAX_GRID_YSIZE; y++)
8709         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8710   }
8711 }
8712
8713 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8714 {
8715   if (setup_mode == SETUP_MODE_INPUT)
8716     HandleSetupScreen_Input(mx, my, dx, dy, button);
8717   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8718     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8719   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8720     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8721   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8722     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8723   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8724     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8725   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8726     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8727   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8728     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8729   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8730     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8731   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8732     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8733   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8734     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8735   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8736     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8737   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8738     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8739   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8740     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8741   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8742     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8743   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8744     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8745   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8746     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8747   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8748     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8749   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8750     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8751   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8752     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8753   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8754     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8755   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8756     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8757   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8758     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8759   else
8760     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8761 }
8762
8763 void HandleGameActions(void)
8764 {
8765   if (setup.ask_on_game_over)
8766     CheckGameOver();
8767
8768   if (game.restart_game_message != NULL)
8769   {
8770     RequestRestartGame(game.restart_game_message);
8771
8772     return;
8773   }
8774
8775   if (game_status != GAME_MODE_PLAYING)
8776     return;
8777
8778   GameActions();        // main game loop
8779
8780   if (tape.auto_play && !tape.playing)
8781     AutoPlayTapes();    // continue automatically playing next tape
8782 }
8783
8784
8785 // ---------- new screen button stuff --------------------------------------
8786
8787 static struct
8788 {
8789   int gfx_unpressed, gfx_pressed;
8790   struct MenuPosInfo *pos;
8791   boolean *check_value;
8792   int gadget_id;
8793   int screen_mask;
8794   unsigned int event_mask;
8795   boolean is_touch_button;
8796   char *infotext;
8797 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8798 {
8799   {
8800     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8801     &menu.main.button.prev_level, NULL,
8802     SCREEN_CTRL_ID_PREV_LEVEL,
8803     SCREEN_MASK_MAIN,
8804     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8805     FALSE, "previous level"
8806   },
8807   {
8808     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8809     &menu.main.button.next_level, NULL,
8810     SCREEN_CTRL_ID_NEXT_LEVEL,
8811     SCREEN_MASK_MAIN,
8812     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8813     FALSE, "next level"
8814   },
8815   {
8816     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8817     &menu.main.button.first_level, NULL,
8818     SCREEN_CTRL_ID_FIRST_LEVEL,
8819     SCREEN_MASK_MAIN,
8820     GD_EVENT_RELEASED,
8821     FALSE, "first level"
8822   },
8823   {
8824     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8825     &menu.main.button.last_level, NULL,
8826     SCREEN_CTRL_ID_LAST_LEVEL,
8827     SCREEN_MASK_MAIN,
8828     GD_EVENT_RELEASED,
8829     FALSE, "last level"
8830   },
8831   {
8832     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8833     &menu.main.button.level_number, NULL,
8834     SCREEN_CTRL_ID_LEVEL_NUMBER,
8835     SCREEN_MASK_MAIN,
8836     GD_EVENT_RELEASED,
8837     FALSE, "level number"
8838   },
8839   {
8840     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8841     &menu.setup.button.prev_player, NULL,
8842     SCREEN_CTRL_ID_PREV_PLAYER,
8843     SCREEN_MASK_INPUT,
8844     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8845     FALSE, "previous player"
8846   },
8847   {
8848     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8849     &menu.setup.button.next_player, NULL,
8850     SCREEN_CTRL_ID_NEXT_PLAYER,
8851     SCREEN_MASK_INPUT,
8852     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8853     FALSE, "next player"
8854   },
8855   {
8856     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8857     &menu.main.button.insert_solution, NULL,
8858     SCREEN_CTRL_ID_INSERT_SOLUTION,
8859     SCREEN_MASK_MAIN_HAS_SOLUTION,
8860     GD_EVENT_RELEASED,
8861     FALSE, "insert solution tape"
8862   },
8863   {
8864     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8865     &menu.main.button.play_solution, NULL,
8866     SCREEN_CTRL_ID_PLAY_SOLUTION,
8867     SCREEN_MASK_MAIN_HAS_SOLUTION,
8868     GD_EVENT_RELEASED,
8869     FALSE, "play solution tape"
8870   },
8871   {
8872     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8873     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8874     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8875     SCREEN_MASK_MAIN,
8876     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8877     FALSE, "switch ECS/AGA chipset"
8878   },
8879   {
8880     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8881     &menu.setup.button.touch_back, NULL,
8882     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8883     SCREEN_MASK_TOUCH,
8884     GD_EVENT_RELEASED,
8885     TRUE, "previous page"
8886   },
8887   {
8888     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8889     &menu.setup.button.touch_next, NULL,
8890     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8891     SCREEN_MASK_TOUCH,
8892     GD_EVENT_RELEASED,
8893     TRUE, "next page"
8894   },
8895   {
8896     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8897     &menu.setup.button.touch_back2, NULL,
8898     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8899     SCREEN_MASK_TOUCH2,
8900     GD_EVENT_RELEASED,
8901     TRUE, "previous page"
8902   },
8903   {
8904     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8905     &menu.setup.button.touch_next2, NULL,
8906     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8907     SCREEN_MASK_TOUCH2,
8908     GD_EVENT_RELEASED,
8909     TRUE, "next page"
8910   },
8911 };
8912
8913 static struct
8914 {
8915   int gfx_unpressed, gfx_pressed;
8916   int x, y;
8917   int gadget_id;
8918   char *infotext;
8919 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8920 {
8921   {
8922     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8923     -1, -1,     // these values are not constant, but can change at runtime
8924     SCREEN_CTRL_ID_SCROLL_UP,
8925     "scroll up"
8926   },
8927   {
8928     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8929     -1, -1,     // these values are not constant, but can change at runtime
8930     SCREEN_CTRL_ID_SCROLL_DOWN,
8931     "scroll down"
8932   }
8933 };
8934
8935 static struct
8936 {
8937   int gfx_unpressed, gfx_pressed;
8938   int x, y;
8939   int width, height;
8940   int type;
8941   int gadget_id;
8942   char *infotext;
8943 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8944 {
8945   {
8946     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8947     -1, -1,     // these values are not constant, but can change at runtime
8948     -1, -1,     // these values are not constant, but can change at runtime
8949     GD_TYPE_SCROLLBAR_VERTICAL,
8950     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8951     "scroll level series vertically"
8952   }
8953 };
8954
8955 static struct
8956 {
8957   int graphic;
8958   int gadget_id;
8959   int x, y;
8960   int size;
8961   char *value;
8962   char *infotext;
8963 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8964 {
8965   {
8966     IMG_SETUP_INPUT_TEXT,
8967     SCREEN_CTRL_ID_NETWORK_SERVER,
8968     -1, -1,     // these values are not constant, but can change at runtime
8969     MAX_SETUP_TEXT_INPUT_LEN,
8970     network_server_hostname,
8971     "Network Server Hostname / IP"
8972   },
8973 };
8974
8975 static void CreateScreenMenubuttons(void)
8976 {
8977   struct GadgetInfo *gi;
8978   unsigned int event_mask;
8979   int i;
8980
8981   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8982   {
8983     struct MenuPosInfo *pos = menubutton_info[i].pos;
8984     boolean is_touch_button = menubutton_info[i].is_touch_button;
8985     boolean is_check_button = menubutton_info[i].check_value != NULL;
8986     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8987     int gfx_unpressed, gfx_pressed;
8988     int x, y, width, height;
8989     int gd_x1, gd_x2, gd_y1, gd_y2;
8990     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8991     int id = menubutton_info[i].gadget_id;
8992     int type = GD_TYPE_NORMAL_BUTTON;
8993     boolean checked = FALSE;
8994
8995     event_mask = menubutton_info[i].event_mask;
8996
8997     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8998     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8999
9000     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9001     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9002
9003     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9004     gfx_pressed   = menubutton_info[i].gfx_pressed;
9005     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9006     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9007     gd_x1 = graphic_info[gfx_unpressed].src_x;
9008     gd_y1 = graphic_info[gfx_unpressed].src_y;
9009     gd_x2 = graphic_info[gfx_pressed].src_x;
9010     gd_y2 = graphic_info[gfx_pressed].src_y;
9011     gd_x1a = gd_x1;
9012     gd_y1a = gd_y1;
9013     gd_x2a = gd_x2;
9014     gd_y2a = gd_y2;
9015
9016     if (is_touch_button)
9017     {
9018       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9019       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9020     }
9021
9022     if (is_check_button)
9023     {
9024       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9025       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9026       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9027       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9028
9029       type = GD_TYPE_CHECK_BUTTON;
9030       checked = *menubutton_info[i].check_value;
9031     }
9032
9033     gi = CreateGadget(GDI_CUSTOM_ID, id,
9034                       GDI_CUSTOM_TYPE_ID, i,
9035                       GDI_IMAGE_ID, gfx_unpressed,
9036                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9037                       GDI_X, x,
9038                       GDI_Y, y,
9039                       GDI_WIDTH, width,
9040                       GDI_HEIGHT, height,
9041                       GDI_TYPE, type,
9042                       GDI_STATE, GD_BUTTON_UNPRESSED,
9043                       GDI_CHECKED, checked,
9044                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9045                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9046                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9047                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9048                       GDI_DIRECT_DRAW, FALSE,
9049                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9050                       GDI_EVENT_MASK, event_mask,
9051                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9052                       GDI_END);
9053
9054     if (gi == NULL)
9055       Fail("cannot create gadget");
9056
9057     screen_gadget[id] = gi;
9058   }
9059 }
9060
9061 static void CreateScreenScrollbuttons(void)
9062 {
9063   struct GadgetInfo *gi;
9064   unsigned int event_mask;
9065   int i;
9066
9067   // these values are not constant, but can change at runtime
9068   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9069   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9070   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9071   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9072
9073   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9074   {
9075     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9076     int gfx_unpressed, gfx_pressed;
9077     int x, y, width, height;
9078     int gd_x1, gd_x2, gd_y1, gd_y2;
9079     int id = scrollbutton_info[i].gadget_id;
9080
9081     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9082
9083     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9084     y = mSY + scrollbutton_info[i].y;
9085     width = SC_SCROLLBUTTON_XSIZE;
9086     height = SC_SCROLLBUTTON_YSIZE;
9087
9088     // correct scrollbar position if placed outside menu (playfield) area
9089     if (x > SX + SC_SCROLL_UP_XPOS)
9090       x = SX + SC_SCROLL_UP_XPOS;
9091
9092     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9093       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9094                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9095
9096     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9097     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9098     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9099     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9100     gd_x1 = graphic_info[gfx_unpressed].src_x;
9101     gd_y1 = graphic_info[gfx_unpressed].src_y;
9102     gd_x2 = graphic_info[gfx_pressed].src_x;
9103     gd_y2 = graphic_info[gfx_pressed].src_y;
9104
9105     gi = CreateGadget(GDI_CUSTOM_ID, id,
9106                       GDI_CUSTOM_TYPE_ID, i,
9107                       GDI_IMAGE_ID, gfx_unpressed,
9108                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9109                       GDI_X, x,
9110                       GDI_Y, y,
9111                       GDI_WIDTH, width,
9112                       GDI_HEIGHT, height,
9113                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9114                       GDI_STATE, GD_BUTTON_UNPRESSED,
9115                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9116                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9117                       GDI_DIRECT_DRAW, FALSE,
9118                       GDI_EVENT_MASK, event_mask,
9119                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9120                       GDI_END);
9121
9122     if (gi == NULL)
9123       Fail("cannot create gadget");
9124
9125     screen_gadget[id] = gi;
9126   }
9127 }
9128
9129 static void CreateScreenScrollbars(void)
9130 {
9131   int i;
9132
9133   // these values are not constant, but can change at runtime
9134   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9135   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9136   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9137   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9138
9139   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9140   {
9141     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9142     int gfx_unpressed, gfx_pressed;
9143     int x, y, width, height;
9144     int gd_x1, gd_x2, gd_y1, gd_y2;
9145     struct GadgetInfo *gi;
9146     int items_max, items_visible, item_position;
9147     unsigned int event_mask;
9148     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9149     int id = scrollbar_info[i].gadget_id;
9150
9151     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9152
9153     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9154     y = mSY + scrollbar_info[i].y;
9155     width  = scrollbar_info[i].width;
9156     height = scrollbar_info[i].height;
9157
9158     // correct scrollbar position if placed outside menu (playfield) area
9159     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9160       x = SX + SC_SCROLL_VERTICAL_XPOS;
9161
9162     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9163       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9164
9165     items_max = num_page_entries;
9166     items_visible = num_page_entries;
9167     item_position = 0;
9168
9169     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9170     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9171     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9172     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9173     gd_x1 = graphic_info[gfx_unpressed].src_x;
9174     gd_y1 = graphic_info[gfx_unpressed].src_y;
9175     gd_x2 = graphic_info[gfx_pressed].src_x;
9176     gd_y2 = graphic_info[gfx_pressed].src_y;
9177
9178     gi = CreateGadget(GDI_CUSTOM_ID, id,
9179                       GDI_CUSTOM_TYPE_ID, i,
9180                       GDI_IMAGE_ID, gfx_unpressed,
9181                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9182                       GDI_X, x,
9183                       GDI_Y, y,
9184                       GDI_WIDTH, width,
9185                       GDI_HEIGHT, height,
9186                       GDI_TYPE, scrollbar_info[i].type,
9187                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9188                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9189                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9190                       GDI_WHEEL_AREA_X, SX,
9191                       GDI_WHEEL_AREA_Y, SY,
9192                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9193                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9194                       GDI_STATE, GD_BUTTON_UNPRESSED,
9195                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9196                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9197                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9198                       GDI_DIRECT_DRAW, FALSE,
9199                       GDI_EVENT_MASK, event_mask,
9200                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9201                       GDI_END);
9202
9203     if (gi == NULL)
9204       Fail("cannot create gadget");
9205
9206     screen_gadget[id] = gi;
9207   }
9208 }
9209
9210 static void CreateScreenTextInputGadgets(void)
9211 {
9212   int i;
9213
9214   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9215   {
9216     int graphic = textinput_info[i].graphic;
9217     struct GraphicInfo *gd = &graphic_info[graphic];
9218     int gd_x1 = gd->src_x;
9219     int gd_y1 = gd->src_y;
9220     int gd_x2 = gd->src_x + gd->active_xoffset;
9221     int gd_y2 = gd->src_y + gd->active_yoffset;
9222     struct GadgetInfo *gi;
9223     unsigned int event_mask;
9224     int id = textinput_info[i].gadget_id;
9225     int x = textinput_info[i].x;
9226     int y = textinput_info[i].y;
9227
9228     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9229
9230     gi = CreateGadget(GDI_CUSTOM_ID, id,
9231                       GDI_CUSTOM_TYPE_ID, i,
9232                       GDI_INFO_TEXT, textinput_info[i].infotext,
9233                       GDI_X, SX + x,
9234                       GDI_Y, SY + y,
9235                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9236                       GDI_TEXT_VALUE, textinput_info[i].value,
9237                       GDI_TEXT_SIZE, textinput_info[i].size,
9238                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9239                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9240                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9241                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9242                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9243                       GDI_DESIGN_WIDTH, gd->width,
9244                       GDI_EVENT_MASK, event_mask,
9245                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9246                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9247                       GDI_END);
9248
9249     if (gi == NULL)
9250       Fail("cannot create gadget");
9251
9252     screen_gadget[id] = gi;
9253   }
9254 }
9255
9256 void CreateScreenGadgets(void)
9257 {
9258   CreateScreenMenubuttons();
9259
9260   CreateScreenScrollbuttons();
9261   CreateScreenScrollbars();
9262
9263   CreateScreenTextInputGadgets();
9264 }
9265
9266 void FreeScreenGadgets(void)
9267 {
9268   int i;
9269
9270   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9271     FreeGadget(screen_gadget[i]);
9272 }
9273
9274 static void MapScreenMenuGadgets(int screen_mask)
9275 {
9276   int i;
9277
9278   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9279     if (screen_mask & menubutton_info[i].screen_mask)
9280       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9281 }
9282
9283 static void UnmapScreenMenuGadgets(int screen_mask)
9284 {
9285   int i;
9286
9287   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9288   {
9289     if (screen_mask & menubutton_info[i].screen_mask)
9290     {
9291       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9292
9293       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9294         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9295                        screen_gadget[menubutton_info[i].gadget_id]->y,
9296                        screen_gadget[menubutton_info[i].gadget_id]->width,
9297                        screen_gadget[menubutton_info[i].gadget_id]->height);
9298     }
9299   }
9300 }
9301
9302 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9303 {
9304   if (map_gadgets)
9305     MapScreenMenuGadgets(screen_mask);
9306   else
9307     UnmapScreenMenuGadgets(screen_mask);
9308 }
9309
9310 static void MapScreenGadgets(int num_entries)
9311 {
9312   int i;
9313
9314   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9315     return;
9316
9317   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9318     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9319
9320   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9321     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9322 }
9323
9324 static void MapScreenTreeGadgets(TreeInfo *ti)
9325 {
9326   MapScreenGadgets(numTreeInfoInGroup(ti));
9327 }
9328
9329 static void HandleScreenGadgets(struct GadgetInfo *gi)
9330 {
9331   int id = gi->custom_id;
9332   int button = gi->event.button;
9333   int step = (button == MB_LEFTBUTTON   ? 1 :
9334               button == MB_MIDDLEBUTTON ? 5 :
9335               button == MB_RIGHTBUTTON  ? 10 : 1);
9336
9337   switch (id)
9338   {
9339     case SCREEN_CTRL_ID_PREV_LEVEL:
9340       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9341       break;
9342
9343     case SCREEN_CTRL_ID_NEXT_LEVEL:
9344       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9345       break;
9346
9347     case SCREEN_CTRL_ID_FIRST_LEVEL:
9348       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9349       break;
9350
9351     case SCREEN_CTRL_ID_LAST_LEVEL:
9352       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9353       break;
9354
9355     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9356       CloseDoor(DOOR_CLOSE_2);
9357       SetGameStatus(GAME_MODE_LEVELNR);
9358       DrawChooseLevelNr();
9359       break;
9360
9361     case SCREEN_CTRL_ID_PREV_PLAYER:
9362       HandleSetupScreen_Input_Player(step, -1);
9363       break;
9364
9365     case SCREEN_CTRL_ID_NEXT_PLAYER:
9366       HandleSetupScreen_Input_Player(step, +1);
9367       break;
9368
9369     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9370       InsertSolutionTape();
9371       break;
9372
9373     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9374       PlaySolutionTape();
9375       break;
9376
9377     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9378       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9379       DrawMainMenu();
9380       break;
9381
9382     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9383     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9384     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9385     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9386       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9387       break;
9388
9389     case SCREEN_CTRL_ID_SCROLL_UP:
9390       if (game_status == GAME_MODE_NAMES)
9391         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9392       else if (game_status == GAME_MODE_LEVELS)
9393         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9394       else if (game_status == GAME_MODE_LEVELNR)
9395         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9396       else if (game_status == GAME_MODE_SETUP)
9397         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9398       else if (game_status == GAME_MODE_INFO)
9399         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9400       break;
9401
9402     case SCREEN_CTRL_ID_SCROLL_DOWN:
9403       if (game_status == GAME_MODE_NAMES)
9404         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9405       else if (game_status == GAME_MODE_LEVELS)
9406         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9407       else if (game_status == GAME_MODE_LEVELNR)
9408         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9409       else if (game_status == GAME_MODE_SETUP)
9410         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9411       else if (game_status == GAME_MODE_INFO)
9412         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9413       break;
9414
9415     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9416       if (game_status == GAME_MODE_NAMES)
9417         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9418       else if (game_status == GAME_MODE_LEVELS)
9419         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9420       else if (game_status == GAME_MODE_LEVELNR)
9421         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9422       else if (game_status == GAME_MODE_SETUP)
9423         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9424       else if (game_status == GAME_MODE_INFO)
9425         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9426       break;
9427
9428     case SCREEN_CTRL_ID_NETWORK_SERVER:
9429     {
9430       if (!strEqual(gi->textinput.value, ""))
9431       {
9432         setString(&setup.network_server_hostname, gi->textinput.value);
9433
9434         network.server_host = setup.network_server_hostname;
9435       }
9436       else
9437       {
9438         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9439
9440         network.server_host = NULL;
9441       }
9442
9443       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9444         network.server_host = NULL;
9445
9446       execSetupGame_setNetworkServerText();
9447
9448       DrawSetupScreen();
9449
9450       break;
9451     }
9452
9453     default:
9454       break;
9455   }
9456 }
9457
9458 void DumpScreenIdentifiers(void)
9459 {
9460   int i;
9461
9462   Print("Active screen elements on current screen:\n");
9463
9464   for (i = 0; main_controls[i].nr != -1; i++)
9465   {
9466     struct MainControlInfo *mci = &main_controls[i];
9467
9468     if (mci->button_graphic != -1)
9469     {
9470       char *token = getTokenFromImageID(mci->button_graphic);
9471
9472       Print("- '%s'\n", token);
9473     }
9474   }
9475
9476   Print("Done.\n");
9477 }
9478
9479 boolean DoScreenAction(int image_id)
9480 {
9481   int i;
9482
9483   if (game_status != GAME_MODE_MAIN)
9484     return FALSE;
9485
9486   for (i = 0; main_controls[i].nr != -1; i++)
9487   {
9488     struct MainControlInfo *mci = &main_controls[i];
9489     struct MenuPosInfo *pos = mci->pos_button;
9490
9491     if (mci->button_graphic == image_id)
9492     {
9493       int x = mSX + pos->x;
9494       int y = mSY + pos->y;
9495
9496       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9497
9498       return TRUE;
9499     }
9500   }
9501
9502   return FALSE;
9503 }
9504
9505 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9506 {
9507   // get tree info node of newly added level or artwork set
9508   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9509   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9510                                                       tree_subdir_new);
9511   if (tree_node_new == NULL)    // should not happen
9512     return;
9513
9514   // if request dialog is active, do nothing
9515   if (game.request_active)
9516     return;
9517
9518   if (game_status == GAME_MODE_MAIN &&
9519       tree_type == TREE_TYPE_LEVEL_DIR)
9520   {
9521     // when adding new level set in main menu, select it as current level set
9522
9523     // change current level set to newly added level set from zip file
9524     leveldir_current = tree_node_new;
9525
9526     // change current level number to first level of newly added level set
9527     level_nr = leveldir_current->first_level;
9528
9529     // redraw screen to reflect changed level set
9530     DrawMainMenu();
9531
9532     // save this level set and level number as last selected level set
9533     SaveLevelSetup_LastSeries();
9534     SaveLevelSetup_SeriesInfo();
9535   }
9536   else if (game_status == GAME_MODE_LEVELS &&
9537            tree_type == TREE_TYPE_LEVEL_DIR)
9538   {
9539     // when adding new level set in level set menu, set cursor and update screen
9540
9541     leveldir_current = tree_node_new;
9542
9543     DrawChooseTree(&leveldir_current);
9544   }
9545   else if (game_status == GAME_MODE_SETUP)
9546   {
9547     // when adding new artwork set in setup menu, set cursor and update screen
9548
9549     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9550         tree_type == TREE_TYPE_GRAPHICS_DIR)
9551     {
9552       artwork.gfx_current = tree_node_new;
9553
9554       DrawChooseTree(&artwork.gfx_current);
9555     }
9556     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9557              tree_type == TREE_TYPE_SOUNDS_DIR)
9558     {
9559       artwork.snd_current = tree_node_new;
9560
9561       DrawChooseTree(&artwork.snd_current);
9562     }
9563     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9564              tree_type == TREE_TYPE_MUSIC_DIR)
9565     {
9566       artwork.mus_current = tree_node_new;
9567
9568       DrawChooseTree(&artwork.mus_current);
9569     }
9570   }
9571 }