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 = posTreeInfo(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 (setup.multiple_users)
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(char *name, struct TextPosInfo *pos,
4083                               boolean changed)
4084 {
4085   TreeInfo *node = type_name_node;
4086
4087   if (!changed)
4088     strcpy(name, type_name_last);
4089
4090   if (strEqual(name, ""))
4091     strcpy(name, EMPTY_PLAYER_NAME);
4092
4093   if (setup.multiple_users)
4094   {
4095     if (node == NULL)           // should not happen
4096       return;
4097
4098     if (changed)
4099       node->color = (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4100
4101     pos->font = (node->color == FC_RED ? FONT_INPUT_1 : FONT_VALUE_OLD);
4102   }
4103
4104   // if player name not changed, no further action required
4105   if (strEqual(name, type_name_last))
4106     return;
4107
4108   int last_user_nr = user.nr;
4109
4110   // change name of edited user in global list of user names
4111   setString(&global.user_names[type_name_nr], name);
4112
4113   if (setup.multiple_users)
4114   {
4115     // change name of edited user in local menu tree structure
4116     setString(&node->name, name);
4117     setString(&node->name_sorting, name);
4118
4119     // save setup of currently active user (may differ from edited user)
4120     SaveSetup();
4121
4122     // temporarily change active user to edited user
4123     user.nr = type_name_nr;
4124
4125     // load setup of edited user
4126     LoadSetup();
4127   }
4128
4129   // change name of edited user in setup structure
4130   strcpy(setup.player_name, name);
4131
4132   // save setup of edited user
4133   SaveSetup();
4134
4135   if (setup.multiple_users)
4136   {
4137     // restore currently active user
4138     user.nr = last_user_nr;
4139
4140     // restore setup of currently active user
4141     LoadSetup();
4142   }
4143 }
4144
4145 static void HandleTypeNameExt(boolean initialize, Key key)
4146 {
4147   static struct TextPosInfo pos_name = { 0 };
4148   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4149   static int xpos = 0;
4150   struct TextPosInfo *pos = &pos_name;
4151   char key_char = getValidConfigValueChar(getCharFromKey(key));
4152   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4153   boolean active = TRUE;
4154
4155   if (initialize)
4156   {
4157     getTypeNameValues(name, pos, &xpos);
4158
4159     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4160     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4161
4162     StartTextInput(sx, sy, pos->width, pos->height);
4163   }
4164   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4165   {
4166     name[xpos] = key_char;
4167     name[xpos + 1] = 0;
4168
4169     xpos++;
4170   }
4171   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4172   {
4173     xpos--;
4174
4175     name[xpos] = 0;
4176   }
4177   else if (key == KSYM_Return)
4178   {
4179     setTypeNameValues(name, pos, TRUE);
4180
4181     active = FALSE;
4182   }
4183   else if (key == KSYM_Escape)
4184   {
4185     setTypeNameValues(name, pos, FALSE);
4186
4187     active = FALSE;
4188   }
4189
4190   drawTypeNameText(name, pos, active);
4191
4192   if (!active)
4193   {
4194     StopTextInput();
4195
4196     SetGameStatus(game_status_last_screen);
4197
4198     if (game_status == GAME_MODE_MAIN)
4199       InitializeMainControls();
4200   }
4201 }
4202
4203 static void DrawTypeName(void)
4204 {
4205   HandleTypeNameExt(TRUE, 0);
4206 }
4207
4208 void HandleTypeName(Key key)
4209 {
4210   HandleTypeNameExt(FALSE, key);
4211 }
4212
4213
4214 // ============================================================================
4215 // tree menu functions
4216 // ============================================================================
4217
4218 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4219 {
4220   if (game_status != GAME_MODE_SETUP ||
4221       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4222     return 0;
4223
4224   int max_text_size = 0;
4225   TreeInfo *node;
4226
4227   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4228     max_text_size = MAX(max_text_size, strlen(node->name));
4229
4230   int num_entries = numTreeInfoInGroup(ti);
4231   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4232   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4233   int button_width = SC_MENUBUTTON_XSIZE;
4234   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4235   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4236   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4237   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4238   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4239   int align_xoffset = MAX(0, align_xoffset_raw);
4240
4241   return align_xoffset;
4242 }
4243
4244 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4245 {
4246   if (game_status != GAME_MODE_SETUP ||
4247       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4248     return 0;
4249
4250   int num_entries = numTreeInfoInGroup(ti);
4251   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4252   int font_height = getFontHeight(FONT_TEXT_1);
4253   int text_height = font_height * num_page_entries;
4254   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4255   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4256   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4257   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4258   int align_yoffset = MAX(0, align_yoffset_raw);
4259
4260   return align_yoffset;
4261 }
4262
4263 static void DrawChooseTree(TreeInfo **ti_ptr)
4264 {
4265   int fade_mask = REDRAW_FIELD;
4266
4267   if (CheckFadeAll())
4268     fade_mask = REDRAW_ALL;
4269
4270   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4271   {
4272     SetGameStatus(GAME_MODE_MAIN);
4273
4274     DrawMainMenu();
4275
4276     return;
4277   }
4278
4279   UnmapAllGadgets();
4280
4281   FreeScreenGadgets();
4282   CreateScreenGadgets();
4283
4284   FadeOut(fade_mask);
4285
4286   // needed if different viewport properties defined for choosing level (set)
4287   ChangeViewportPropertiesIfNeeded();
4288
4289   if (game_status == GAME_MODE_NAMES)
4290     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4291   else if (game_status == GAME_MODE_LEVELNR)
4292     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4293   else if (game_status == GAME_MODE_LEVELS)
4294     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4295
4296   ClearField();
4297
4298   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4299
4300   MapScreenTreeGadgets(*ti_ptr);
4301   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4302
4303   DrawMaskedBorder(fade_mask);
4304
4305   FadeIn(fade_mask);
4306 }
4307
4308 static void drawChooseTreeList(int first_entry, int num_page_entries,
4309                                TreeInfo *ti)
4310 {
4311   int num_entries = numTreeInfoInGroup(ti);
4312   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4313   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4314   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4315   int font_nr = FONT_TEXT_1;
4316   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4317   int i;
4318   char *title_string = NULL;
4319   int yoffset_sets = MENU_TITLE1_YPOS;
4320   int yoffset_setup = 16;
4321   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4322                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4323
4324   title_string = ti->infotext;
4325
4326   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4327
4328   clearMenuListArea();
4329
4330   for (i = 0; i < num_page_entries; i++)
4331   {
4332     TreeInfo *node, *node_first;
4333     int entry_pos = first_entry + i;
4334     int xpos = MENU_SCREEN_START_XPOS;
4335     int ypos = MENU_SCREEN_START_YPOS + i;
4336     int startx = amSX + xpos * 32;
4337     int starty = amSY + ypos * 32;
4338     int startx_text = startx + font_xoffset;
4339     int endx_text = amSX + screen_width;
4340     int max_text_size = endx_text - startx_text;
4341     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4342     char buffer[max_buffer_len + 1];
4343
4344     node_first = getTreeInfoFirstGroupEntry(ti);
4345     node = getTreeInfoFromPos(node_first, entry_pos);
4346
4347     strncpy(buffer, node->name, max_buffer_len);
4348     buffer[max_buffer_len] = '\0';
4349
4350     DrawText(startx, starty, buffer, font_nr + node->color);
4351
4352     if (node->parent_link)
4353       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4354     else if (node->level_group)
4355       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4356     else
4357       initCursor(i, IMG_MENU_BUTTON);
4358
4359     if (game_status == GAME_MODE_NAMES)
4360       drawChooseTreeEdit(i, FALSE);
4361   }
4362
4363   redraw_mask |= REDRAW_FIELD;
4364 }
4365
4366 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4367 {
4368   TreeInfo *node, *node_first;
4369   int x, last_redraw_mask = redraw_mask;
4370   int ypos = MENU_TITLE2_YPOS;
4371   int font_nr = FONT_TITLE_2;
4372
4373   if (ti->type == TREE_TYPE_LEVEL_NR)
4374     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4375
4376   if (ti->type != TREE_TYPE_LEVEL_DIR)
4377     return;
4378
4379   node_first = getTreeInfoFirstGroupEntry(ti);
4380   node = getTreeInfoFromPos(node_first, entry_pos);
4381
4382   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4383
4384   if (node->parent_link)
4385     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4386                       node->node_parent->name);
4387   else if (node->level_group)
4388     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4389                       node->name);
4390   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4391     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4392                       node->levels, (node->levels > 1 ? "levels" : "level"),
4393                       node->class_desc);
4394
4395   // let BackToFront() redraw only what is needed
4396   redraw_mask = last_redraw_mask;
4397   for (x = 0; x < SCR_FIELDX; x++)
4398     MarkTileDirty(x, 1);
4399 }
4400
4401 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4402                              TreeInfo **ti_ptr)
4403 {
4404   TreeInfo *ti = *ti_ptr;
4405   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4406   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4407   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4408   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4409   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4410   int x = 0;
4411   int y = ti->cl_cursor;
4412   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4413   int num_entries = numTreeInfoInGroup(ti);
4414   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4415   boolean position_set_by_scrollbar = (dx == 999);
4416
4417   if (button == MB_MENU_INITIALIZE)
4418   {
4419     int num_entries = numTreeInfoInGroup(ti);
4420     int entry_pos = posTreeInfo(ti);
4421
4422     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4423     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4424
4425     if (ti->cl_first == -1)
4426     {
4427       // only on initialization
4428       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4429       ti->cl_cursor = entry_pos - ti->cl_first;
4430     }
4431     else if (ti->cl_cursor >= num_page_entries ||
4432              (num_entries > num_page_entries &&
4433               num_entries - ti->cl_first < num_page_entries))
4434     {
4435       // only after change of list size (by custom graphic configuration)
4436       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4437       ti->cl_cursor = entry_pos - ti->cl_first;
4438     }
4439
4440     if (position_set_by_scrollbar)
4441       ti->cl_first = dy;
4442     else
4443       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4444                                 ti->cl_first, ti);
4445
4446     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4447     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4448     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4449
4450     return;
4451   }
4452   else if (button == MB_MENU_LEAVE)
4453   {
4454     FadeSetLeaveMenu();
4455
4456     PlaySound(SND_MENU_ITEM_SELECTING);
4457
4458     if (ti->node_parent)
4459     {
4460       *ti_ptr = ti->node_parent;
4461       DrawChooseTree(ti_ptr);
4462     }
4463     else if (game_status == GAME_MODE_SETUP)
4464     {
4465       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4466           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4467           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4468         execSetupGame();
4469       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4470                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4471                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4472                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4473         execSetupGraphics();
4474       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4475                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4476                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4477         execSetupSound();
4478       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4479                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4480                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4481                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4482                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4483                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4484                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4485                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4486         execSetupTouch();
4487       else
4488         execSetupArtwork();
4489     }
4490     else
4491     {
4492       if (game_status == GAME_MODE_LEVELNR)
4493       {
4494         int new_level_nr = atoi(level_number_current->identifier);
4495
4496         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4497       }
4498
4499       SetGameStatus(GAME_MODE_MAIN);
4500
4501       DrawMainMenu();
4502     }
4503
4504     return;
4505   }
4506
4507   if (mx || my)         // mouse input
4508   {
4509     x = (mx - amSX) / 32;
4510     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4511
4512     if (game_status == GAME_MODE_NAMES)
4513       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4514   }
4515   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4516   {
4517     // move cursor instead of scrolling when already at start/end of list
4518     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4519       dy = -1;
4520     else if (dy == +1 * SCROLL_LINE &&
4521              ti->cl_first + num_page_entries == num_entries)
4522       dy = 1;
4523
4524     // handle scrolling screen one line or page
4525     if (ti->cl_cursor + dy < 0 ||
4526         ti->cl_cursor + dy > num_page_entries - 1)
4527     {
4528       boolean redraw = FALSE;
4529
4530       if (ABS(dy) == SCROLL_PAGE)
4531         step = num_page_entries - 1;
4532
4533       if (dy < 0 && ti->cl_first > 0)
4534       {
4535         // scroll page/line up
4536
4537         ti->cl_first -= step;
4538         if (ti->cl_first < 0)
4539           ti->cl_first = 0;
4540
4541         redraw = TRUE;
4542       }
4543       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4544       {
4545         // scroll page/line down
4546
4547         ti->cl_first += step;
4548         if (ti->cl_first + num_page_entries > num_entries)
4549           ti->cl_first = MAX(0, num_entries - num_page_entries);
4550
4551         redraw = TRUE;
4552       }
4553
4554       if (redraw)
4555       {
4556         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4557         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4558         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4559
4560         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4561                                   ti->cl_first, ti);
4562       }
4563
4564       return;
4565     }
4566
4567     // handle moving cursor one line
4568     y = ti->cl_cursor + dy;
4569   }
4570
4571   if (dx == 1)
4572   {
4573     TreeInfo *node_first, *node_cursor;
4574     int entry_pos = ti->cl_first + y;
4575
4576     node_first = getTreeInfoFirstGroupEntry(ti);
4577     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4578
4579     if (node_cursor->node_group)
4580     {
4581       FadeSetEnterMenu();
4582
4583       PlaySound(SND_MENU_ITEM_SELECTING);
4584
4585       node_cursor->cl_first = ti->cl_first;
4586       node_cursor->cl_cursor = ti->cl_cursor;
4587       *ti_ptr = node_cursor->node_group;
4588       DrawChooseTree(ti_ptr);
4589
4590       return;
4591     }
4592   }
4593   else if (dx == -1 && ti->node_parent)
4594   {
4595     FadeSetLeaveMenu();
4596
4597     PlaySound(SND_MENU_ITEM_SELECTING);
4598
4599     *ti_ptr = ti->node_parent;
4600     DrawChooseTree(ti_ptr);
4601
4602     return;
4603   }
4604
4605   if (!anyScrollbarGadgetActive() &&
4606       IN_VIS_MENU(x, y) &&
4607       mx < mx_right_border &&
4608       y >= 0 && y < num_page_entries)
4609   {
4610     if (button)
4611     {
4612       if (game_status == GAME_MODE_NAMES)
4613       {
4614         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4615           drawChooseTreeEdit(y, TRUE);
4616       }
4617
4618       if (y != ti->cl_cursor)
4619       {
4620         PlaySound(SND_MENU_ITEM_ACTIVATING);
4621
4622         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4623         drawChooseTreeCursor(y, TRUE);
4624         drawChooseTreeInfo(ti->cl_first + y, ti);
4625
4626         ti->cl_cursor = y;
4627       }
4628       else if (dx < 0)
4629       {
4630         if (game_status == GAME_MODE_SETUP)
4631         {
4632           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4633               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4634               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4635             execSetupGame();
4636           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4637                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4638                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4639                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4640             execSetupGraphics();
4641           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4642                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4643                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4644             execSetupSound();
4645           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4646                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4647                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4648                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4649                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4650                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4651                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4652                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4653             execSetupTouch();
4654           else
4655             execSetupArtwork();
4656         }
4657       }
4658     }
4659     else
4660     {
4661       TreeInfo *node_first, *node_cursor;
4662       int entry_pos = ti->cl_first + y;
4663
4664       PlaySound(SND_MENU_ITEM_SELECTING);
4665
4666       node_first = getTreeInfoFirstGroupEntry(ti);
4667       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4668
4669       if (node_cursor->node_group)
4670       {
4671         FadeSetEnterMenu();
4672
4673         node_cursor->cl_first = ti->cl_first;
4674         node_cursor->cl_cursor = ti->cl_cursor;
4675         *ti_ptr = node_cursor->node_group;
4676         DrawChooseTree(ti_ptr);
4677       }
4678       else if (node_cursor->parent_link)
4679       {
4680         FadeSetLeaveMenu();
4681
4682         *ti_ptr = node_cursor->node_parent;
4683         DrawChooseTree(ti_ptr);
4684       }
4685       else
4686       {
4687         FadeSetEnterMenu();
4688
4689         node_cursor->cl_first = ti->cl_first;
4690         node_cursor->cl_cursor = ti->cl_cursor;
4691         *ti_ptr = node_cursor;
4692
4693         if (ti->type == TREE_TYPE_LEVEL_DIR)
4694         {
4695           LoadLevelSetup_SeriesInfo();
4696
4697           SaveLevelSetup_LastSeries();
4698           SaveLevelSetup_SeriesInfo();
4699           TapeErase();
4700         }
4701
4702         if (game_status == GAME_MODE_SETUP)
4703         {
4704           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4705               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4706               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4707             execSetupGame();
4708           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4709                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4710                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4711                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4712             execSetupGraphics();
4713           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4714                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4715                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4716             execSetupSound();
4717           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4718                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4719                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4720                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4721                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4722                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4723                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4724                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4725             execSetupTouch();
4726           else
4727             execSetupArtwork();
4728         }
4729         else
4730         {
4731           if (game_status == GAME_MODE_LEVELNR)
4732           {
4733             int new_level_nr = atoi(level_number_current->identifier);
4734
4735             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4736           }
4737           else if (game_status == GAME_MODE_NAMES)
4738           {
4739             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4740             {
4741               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4742
4743               DrawTypeName();
4744
4745               return;
4746             }
4747
4748             // change active user to selected user
4749             user.nr = entry_pos;
4750
4751             // save number of new active user
4752             SaveUserSetup();
4753
4754             // load setup of new active user
4755             LoadSetup();
4756
4757             // load last level set of new active user
4758             LoadLevelSetup_LastSeries();
4759             LoadLevelSetup_SeriesInfo();
4760
4761             TapeErase();
4762
4763             ToggleFullscreenIfNeeded();
4764             ChangeWindowScalingIfNeeded();
4765
4766             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4767             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4768             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4769           }
4770
4771           SetGameStatus(GAME_MODE_MAIN);
4772
4773           DrawMainMenu();
4774         }
4775       }
4776     }
4777   }
4778 }
4779
4780 void DrawChoosePlayerName(void)
4781 {
4782   int i;
4783
4784   FadeMenuSoundsAndMusic();
4785
4786   if (player_name != NULL)
4787   {
4788     freeTreeInfo(player_name);
4789
4790     player_name = NULL;
4791   }
4792
4793   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4794   {
4795     boolean team_mode = (!network.enabled && setup.team_mode);
4796     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4797     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4798     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4799     int value = i;
4800
4801     ti->node_top = &player_name;
4802     ti->sort_priority = 10000 + value;
4803     ti->color = FC_RED;
4804
4805     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4806       ti->color = FC_BLUE;
4807
4808     snprintf(identifier, sizeof(identifier), "%d", value);
4809     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4810
4811     setString(&ti->identifier, identifier);
4812     setString(&ti->name, name);
4813     setString(&ti->name_sorting, name);
4814
4815     pushTreeInfo(&player_name, ti);
4816   }
4817
4818   // sort player entries by player number
4819   sortTreeInfo(&player_name);
4820
4821   // set current player entry to selected player entry
4822   player_name_current =
4823     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4824
4825   // if that fails, set current player name to first available name
4826   if (player_name_current == NULL)
4827     player_name_current = player_name;
4828
4829   DrawChooseTree(&player_name_current);
4830
4831   PlayMenuSoundsAndMusic();
4832 }
4833
4834 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4835 {
4836   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4837 }
4838
4839 void DrawChooseLevelSet(void)
4840 {
4841   FadeMenuSoundsAndMusic();
4842
4843   DrawChooseTree(&leveldir_current);
4844
4845   PlayMenuSoundsAndMusic();
4846 }
4847
4848 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4849 {
4850   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4851 }
4852
4853 void DrawChooseLevelNr(void)
4854 {
4855   int i;
4856
4857   FadeMenuSoundsAndMusic();
4858
4859   if (level_number != NULL)
4860   {
4861     freeTreeInfo(level_number);
4862
4863     level_number = NULL;
4864   }
4865
4866   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4867   {
4868     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4869     char identifier[32], name[64];
4870     int value = i;
4871
4872     // temporarily load level info to get level name
4873     LoadLevelInfoOnly(i);
4874
4875     ti->node_top = &level_number;
4876     ti->sort_priority = 10000 + value;
4877     ti->color = (level.no_level_file ? FC_BLUE :
4878                  LevelStats_getSolved(i) ? FC_GREEN :
4879                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4880
4881     snprintf(identifier, sizeof(identifier), "%d", value);
4882     snprintf(name, sizeof(name), "%03d: %s", value,
4883              (level.no_level_file ? "(no file)" : level.name));
4884
4885     setString(&ti->identifier, identifier);
4886     setString(&ti->name, name);
4887     setString(&ti->name_sorting, name);
4888
4889     pushTreeInfo(&level_number, ti);
4890   }
4891
4892   // sort level number values to start with lowest level number
4893   sortTreeInfo(&level_number);
4894
4895   // set current level number to current level number
4896   level_number_current =
4897     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4898
4899   // if that also fails, set current level number to first available level
4900   if (level_number_current == NULL)
4901     level_number_current = level_number;
4902
4903   DrawChooseTree(&level_number_current);
4904
4905   PlayMenuSoundsAndMusic();
4906 }
4907
4908 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4909 {
4910   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4911 }
4912
4913 void DrawHallOfFame(int level_nr, int highlight_position)
4914 {
4915   int fade_mask = REDRAW_FIELD;
4916
4917   if (CheckFadeAll())
4918     fade_mask = REDRAW_ALL;
4919
4920   UnmapAllGadgets();
4921   FadeMenuSoundsAndMusic();
4922
4923   // (this is needed when called from GameEnd() after winning a game)
4924   KeyboardAutoRepeatOn();
4925
4926   // (this is needed when called from GameEnd() after winning a game)
4927   SetDrawDeactivationMask(REDRAW_NONE);
4928   SetDrawBackgroundMask(REDRAW_FIELD);
4929
4930   if (highlight_position < 0)
4931     LoadScore(level_nr);
4932   else
4933     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4934
4935   FadeSetEnterScreen();
4936
4937   FadeOut(fade_mask);
4938
4939   // needed if different viewport properties defined for scores
4940   ChangeViewportPropertiesIfNeeded();
4941
4942   PlayMenuSoundsAndMusic();
4943
4944   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4945
4946   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4947
4948   DrawMaskedBorder(fade_mask);
4949
4950   FadeIn(fade_mask);
4951 }
4952
4953 static void drawHallOfFameList(int level_nr, int first_entry,
4954                                int highlight_position)
4955 {
4956   int i, j;
4957
4958   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4959   ClearField();
4960
4961   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4962   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4963                     "HighScores of Level %d", level_nr);
4964
4965   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4966   {
4967     int entry = first_entry + i;
4968     boolean active = (entry == highlight_position);
4969     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4970     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4971     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4972     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4973     int dxoff = getFontDrawOffsetX(font_nr1);
4974     int dx1 = 3 * getFontWidth(font_nr1);
4975     int dx2 = dx1 + getFontWidth(font_nr1);
4976     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4977     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4978     int sy = mSY + 64 + i * 32;
4979
4980     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4981     DrawText(mSX + dx1, sy, ".", font_nr1);
4982
4983     for (j = 0; j < num_dots; j++)
4984       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4985
4986     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4987       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4988
4989     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4990   }
4991
4992   redraw_mask |= REDRAW_FIELD;
4993 }
4994
4995 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4996 {
4997   static int level_nr = 0;
4998   static int first_entry = 0;
4999   static int highlight_position = 0;
5000   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5001
5002   if (button == MB_MENU_INITIALIZE)
5003   {
5004     level_nr = mx;
5005     first_entry = 0;
5006     highlight_position = my;
5007
5008     drawHallOfFameList(level_nr, first_entry, highlight_position);
5009
5010     return;
5011   }
5012
5013   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5014     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5015
5016   if (dy < 0)
5017   {
5018     if (first_entry > 0)
5019     {
5020       first_entry -= step;
5021       if (first_entry < 0)
5022         first_entry = 0;
5023
5024       drawHallOfFameList(level_nr, first_entry, highlight_position);
5025     }
5026   }
5027   else if (dy > 0)
5028   {
5029     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5030     {
5031       first_entry += step;
5032       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5033         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5034
5035       drawHallOfFameList(level_nr, first_entry, highlight_position);
5036     }
5037   }
5038   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5039   {
5040     PlaySound(SND_MENU_ITEM_SELECTING);
5041
5042     FadeSound(SND_BACKGROUND_SCORES);
5043
5044     if (button == MB_MENU_CHOICE &&
5045         game_status_last_screen == GAME_MODE_PLAYING &&
5046         setup.auto_play_next_level && setup.increment_levels &&
5047         level_nr < leveldir_current->last_level &&
5048         !network_playing)
5049     {
5050       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5051     }
5052     else
5053     {
5054       SetGameStatus(GAME_MODE_MAIN);
5055
5056       DrawMainMenu();
5057     }
5058   }
5059
5060   if (game_status == GAME_MODE_SCORES)
5061     PlayMenuSoundIfLoop();
5062 }
5063
5064
5065 // ============================================================================
5066 // setup screen functions
5067 // ============================================================================
5068
5069 static struct TokenInfo *setup_info;
5070 static int num_setup_info;      // number of setup entries shown on screen
5071 static int max_setup_info;      // total number of setup entries in list
5072
5073 static char *window_size_text;
5074 static char *scaling_type_text;
5075 static char *rendering_mode_text;
5076 static char *vsync_mode_text;
5077 static char *scroll_delay_text;
5078 static char *snapshot_mode_text;
5079 static char *game_speed_text;
5080 static char *network_server_text;
5081 static char *graphics_set_name;
5082 static char *sounds_set_name;
5083 static char *music_set_name;
5084 static char *volume_simple_text;
5085 static char *volume_loops_text;
5086 static char *volume_music_text;
5087 static char *touch_controls_text;
5088 static char *move_distance_text;
5089 static char *drop_distance_text;
5090 static char *transparency_text;
5091 static char *grid_size_text[2][2];
5092
5093 static void execSetupMain(void)
5094 {
5095   setup_mode = SETUP_MODE_MAIN;
5096
5097   DrawSetupScreen();
5098 }
5099
5100 static void execSetupGame_setGameSpeeds(boolean update_value)
5101 {
5102   if (setup.game_speed_extended)
5103   {
5104     game_speeds_list = game_speeds_list_extended;
5105     game_speeds      = game_speeds_extended;
5106   }
5107   else
5108   {
5109     game_speeds_list = game_speeds_list_normal;
5110     game_speeds      = game_speeds_normal;
5111   }
5112
5113   if (game_speeds == NULL)
5114   {
5115     int i;
5116
5117     for (i = 0; game_speeds_list[i].value != -1; i++)
5118     {
5119       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5120       char identifier[32], name[32];
5121       int value = game_speeds_list[i].value;
5122       char *text = game_speeds_list[i].text;
5123
5124       ti->node_top = &game_speeds;
5125       ti->sort_priority = 10000 - value;
5126
5127       sprintf(identifier, "%d", value);
5128       sprintf(name, "%s", text);
5129
5130       setString(&ti->identifier, identifier);
5131       setString(&ti->name, name);
5132       setString(&ti->name_sorting, name);
5133       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5134
5135       pushTreeInfo(&game_speeds, ti);
5136     }
5137
5138     // sort game speed values to start with slowest game speed
5139     sortTreeInfo(&game_speeds);
5140
5141     update_value = TRUE;
5142   }
5143
5144   if (update_value)
5145   {
5146     // set current game speed to configured game speed value
5147     game_speed_current =
5148       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5149
5150     // if that fails, set current game speed to reliable default value
5151     if (game_speed_current == NULL)
5152       game_speed_current =
5153         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5154
5155     // if that also fails, set current game speed to first available speed
5156     if (game_speed_current == NULL)
5157       game_speed_current = game_speeds;
5158
5159     if (setup.game_speed_extended)
5160       game_speeds_extended = game_speeds;
5161     else
5162       game_speeds_normal = game_speeds;
5163   }
5164
5165   setup.game_frame_delay = atoi(game_speed_current->identifier);
5166
5167   // needed for displaying game speed text instead of identifier
5168   game_speed_text = game_speed_current->name;
5169 }
5170
5171 static void execSetupGame_setScrollDelays(void)
5172 {
5173   if (scroll_delays == NULL)
5174   {
5175     int i;
5176
5177     for (i = 0; scroll_delays_list[i].value != -1; i++)
5178     {
5179       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5180       char identifier[32], name[32];
5181       int value = scroll_delays_list[i].value;
5182       char *text = scroll_delays_list[i].text;
5183
5184       ti->node_top = &scroll_delays;
5185       ti->sort_priority = value;
5186
5187       sprintf(identifier, "%d", value);
5188       sprintf(name, "%s", text);
5189
5190       setString(&ti->identifier, identifier);
5191       setString(&ti->name, name);
5192       setString(&ti->name_sorting, name);
5193       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5194
5195       pushTreeInfo(&scroll_delays, ti);
5196     }
5197
5198     // sort scroll delay values to start with lowest scroll delay value
5199     sortTreeInfo(&scroll_delays);
5200
5201     // set current scroll delay value to configured scroll delay value
5202     scroll_delay_current =
5203       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5204
5205     // if that fails, set current scroll delay to reliable default value
5206     if (scroll_delay_current == NULL)
5207       scroll_delay_current =
5208         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5209
5210     // if that also fails, set current scroll delay to first available value
5211     if (scroll_delay_current == NULL)
5212       scroll_delay_current = scroll_delays;
5213   }
5214
5215   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5216
5217   // needed for displaying scroll delay text instead of identifier
5218   scroll_delay_text = scroll_delay_current->name;
5219 }
5220
5221 static void execSetupGame_setSnapshotModes(void)
5222 {
5223   if (snapshot_modes == NULL)
5224   {
5225     int i;
5226
5227     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5228     {
5229       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5230       char identifier[32], name[32];
5231       char *value = snapshot_modes_list[i].value;
5232       char *text = snapshot_modes_list[i].text;
5233
5234       ti->node_top = &snapshot_modes;
5235       ti->sort_priority = i;
5236
5237       sprintf(identifier, "%s", value);
5238       sprintf(name, "%s", text);
5239
5240       setString(&ti->identifier, identifier);
5241       setString(&ti->name, name);
5242       setString(&ti->name_sorting, name);
5243       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5244
5245       pushTreeInfo(&snapshot_modes, ti);
5246     }
5247
5248     // sort snapshot mode values to start with lowest snapshot mode value
5249     sortTreeInfo(&snapshot_modes);
5250
5251     // set current snapshot mode value to configured snapshot mode value
5252     snapshot_mode_current =
5253       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5254
5255     // if that fails, set current snapshot mode to reliable default value
5256     if (snapshot_mode_current == NULL)
5257       snapshot_mode_current =
5258         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5259
5260     // if that also fails, set current snapshot mode to first available value
5261     if (snapshot_mode_current == NULL)
5262       snapshot_mode_current = snapshot_modes;
5263   }
5264
5265   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5266
5267   // needed for displaying snapshot mode text instead of identifier
5268   snapshot_mode_text = snapshot_mode_current->name;
5269 }
5270
5271 static void execSetupGame_setNetworkServerText(void)
5272 {
5273   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5274   {
5275     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5276   }
5277   else
5278   {
5279     strncpy(network_server_hostname, setup.network_server_hostname,
5280             MAX_SETUP_TEXT_INPUT_LEN);
5281     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5282   }
5283
5284   // needed for displaying network server text instead of identifier
5285   network_server_text = network_server_hostname;
5286 }
5287
5288 static void execSetupGame(void)
5289 {
5290   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5291
5292   execSetupGame_setGameSpeeds(FALSE);
5293   execSetupGame_setScrollDelays();
5294   execSetupGame_setSnapshotModes();
5295
5296   execSetupGame_setNetworkServerText();
5297
5298   setup_mode = SETUP_MODE_GAME;
5299
5300   DrawSetupScreen();
5301
5302   // check if vsync needs to be disabled for this game speed to work
5303   if (check_vsync_mode)
5304     DisableVsyncIfNeeded();
5305 }
5306
5307 static void execSetupChooseGameSpeed(void)
5308 {
5309   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5310
5311   DrawSetupScreen();
5312 }
5313
5314 static void execSetupChooseScrollDelay(void)
5315 {
5316   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5317
5318   DrawSetupScreen();
5319 }
5320
5321 static void execSetupChooseSnapshotMode(void)
5322 {
5323   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5324
5325   DrawSetupScreen();
5326 }
5327
5328 static void execSetupEngines(void)
5329 {
5330   setup_mode = SETUP_MODE_ENGINES;
5331
5332   DrawSetupScreen();
5333 }
5334
5335 static void execSetupEditor(void)
5336 {
5337   setup_mode = SETUP_MODE_EDITOR;
5338
5339   DrawSetupScreen();
5340 }
5341
5342 static void execSetupGraphics_setWindowSizes(boolean update_list)
5343 {
5344   if (window_sizes != NULL && update_list)
5345   {
5346     freeTreeInfo(window_sizes);
5347
5348     window_sizes = NULL;
5349   }
5350
5351   if (window_sizes == NULL)
5352   {
5353     boolean current_window_size_found = FALSE;
5354     int i;
5355
5356     for (i = 0; window_sizes_list[i].value != -1; i++)
5357     {
5358       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5359       char identifier[32], name[32];
5360       int value = window_sizes_list[i].value;
5361       char *text = window_sizes_list[i].text;
5362
5363       ti->node_top = &window_sizes;
5364       ti->sort_priority = value;
5365
5366       sprintf(identifier, "%d", value);
5367       sprintf(name, "%s", text);
5368
5369       setString(&ti->identifier, identifier);
5370       setString(&ti->name, name);
5371       setString(&ti->name_sorting, name);
5372       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5373
5374       pushTreeInfo(&window_sizes, ti);
5375
5376       if (value == setup.window_scaling_percent)
5377         current_window_size_found = TRUE;
5378     }
5379
5380     if (!current_window_size_found)
5381     {
5382       // add entry for non-preset window scaling value
5383
5384       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5385       char identifier[32], name[32];
5386       int value = setup.window_scaling_percent;
5387
5388       ti->node_top = &window_sizes;
5389       ti->sort_priority = value;
5390
5391       sprintf(identifier, "%d", value);
5392       sprintf(name, "%d %% (Current)", value);
5393
5394       setString(&ti->identifier, identifier);
5395       setString(&ti->name, name);
5396       setString(&ti->name_sorting, name);
5397       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5398
5399       pushTreeInfo(&window_sizes, ti);
5400     }
5401
5402     // sort window size values to start with lowest window size value
5403     sortTreeInfo(&window_sizes);
5404
5405     // set current window size value to configured window size value
5406     window_size_current =
5407       getTreeInfoFromIdentifier(window_sizes,
5408                                 i_to_a(setup.window_scaling_percent));
5409
5410     // if that fails, set current window size to reliable default value
5411     if (window_size_current == NULL)
5412       window_size_current =
5413         getTreeInfoFromIdentifier(window_sizes,
5414                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5415
5416     // if that also fails, set current window size to first available value
5417     if (window_size_current == NULL)
5418       window_size_current = window_sizes;
5419   }
5420
5421   setup.window_scaling_percent = atoi(window_size_current->identifier);
5422
5423   // needed for displaying window size text instead of identifier
5424   window_size_text = window_size_current->name;
5425 }
5426
5427 static void execSetupGraphics_setScalingTypes(void)
5428 {
5429   if (scaling_types == NULL)
5430   {
5431     int i;
5432
5433     for (i = 0; scaling_types_list[i].value != NULL; i++)
5434     {
5435       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5436       char identifier[32], name[32];
5437       char *value = scaling_types_list[i].value;
5438       char *text = scaling_types_list[i].text;
5439
5440       ti->node_top = &scaling_types;
5441       ti->sort_priority = i;
5442
5443       sprintf(identifier, "%s", value);
5444       sprintf(name, "%s", text);
5445
5446       setString(&ti->identifier, identifier);
5447       setString(&ti->name, name);
5448       setString(&ti->name_sorting, name);
5449       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5450
5451       pushTreeInfo(&scaling_types, ti);
5452     }
5453
5454     // sort scaling type values to start with lowest scaling type value
5455     sortTreeInfo(&scaling_types);
5456
5457     // set current scaling type value to configured scaling type value
5458     scaling_type_current =
5459       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5460
5461     // if that fails, set current scaling type to reliable default value
5462     if (scaling_type_current == NULL)
5463       scaling_type_current =
5464         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5465
5466     // if that also fails, set current scaling type to first available value
5467     if (scaling_type_current == NULL)
5468       scaling_type_current = scaling_types;
5469   }
5470
5471   setup.window_scaling_quality = scaling_type_current->identifier;
5472
5473   // needed for displaying scaling type text instead of identifier
5474   scaling_type_text = scaling_type_current->name;
5475 }
5476
5477 static void execSetupGraphics_setRenderingModes(void)
5478 {
5479   if (rendering_modes == NULL)
5480   {
5481     int i;
5482
5483     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5484     {
5485       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5486       char identifier[32], name[32];
5487       char *value = rendering_modes_list[i].value;
5488       char *text = rendering_modes_list[i].text;
5489
5490       ti->node_top = &rendering_modes;
5491       ti->sort_priority = i;
5492
5493       sprintf(identifier, "%s", value);
5494       sprintf(name, "%s", text);
5495
5496       setString(&ti->identifier, identifier);
5497       setString(&ti->name, name);
5498       setString(&ti->name_sorting, name);
5499       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5500
5501       pushTreeInfo(&rendering_modes, ti);
5502     }
5503
5504     // sort rendering mode values to start with lowest rendering mode value
5505     sortTreeInfo(&rendering_modes);
5506
5507     // set current rendering mode value to configured rendering mode value
5508     rendering_mode_current =
5509       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5510
5511     // if that fails, set current rendering mode to reliable default value
5512     if (rendering_mode_current == NULL)
5513       rendering_mode_current =
5514         getTreeInfoFromIdentifier(rendering_modes,
5515                                   STR_SPECIAL_RENDERING_DEFAULT);
5516
5517     // if that also fails, set current rendering mode to first available one
5518     if (rendering_mode_current == NULL)
5519       rendering_mode_current = rendering_modes;
5520   }
5521
5522   setup.screen_rendering_mode = rendering_mode_current->identifier;
5523
5524   // needed for displaying rendering mode text instead of identifier
5525   rendering_mode_text = rendering_mode_current->name;
5526 }
5527
5528 static void execSetupGraphics_setVsyncModes(boolean update_value)
5529 {
5530   if (vsync_modes == NULL)
5531   {
5532     int i;
5533
5534     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5535     {
5536       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5537       char identifier[32], name[32];
5538       char *value = vsync_modes_list[i].value;
5539       char *text = vsync_modes_list[i].text;
5540
5541       ti->node_top = &vsync_modes;
5542       ti->sort_priority = i;
5543
5544       sprintf(identifier, "%s", value);
5545       sprintf(name, "%s", text);
5546
5547       setString(&ti->identifier, identifier);
5548       setString(&ti->name, name);
5549       setString(&ti->name_sorting, name);
5550       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5551
5552       pushTreeInfo(&vsync_modes, ti);
5553     }
5554
5555     // sort vsync mode values to start with lowest vsync mode value
5556     sortTreeInfo(&vsync_modes);
5557
5558     update_value = TRUE;
5559   }
5560
5561   if (update_value)
5562   {
5563     // set current vsync mode value to configured vsync mode value
5564     vsync_mode_current =
5565       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5566
5567     // if that fails, set current vsync mode to reliable default value
5568     if (vsync_mode_current == NULL)
5569       vsync_mode_current =
5570         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5571
5572     // if that also fails, set current vsync mode to first available one
5573     if (vsync_mode_current == NULL)
5574       vsync_mode_current = vsync_modes;
5575   }
5576
5577   setup.vsync_mode = vsync_mode_current->identifier;
5578
5579   // needed for displaying vsync mode text instead of identifier
5580   vsync_mode_text = vsync_mode_current->name;
5581 }
5582
5583 static void execSetupGraphics(void)
5584 {
5585   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5586
5587   // update "setup.window_scaling_percent" from list selection
5588   // (in this case, window scaling was changed on setup screen)
5589   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5590     execSetupGraphics_setWindowSizes(FALSE);
5591
5592   // update "setup.vsync_mode" from list selection
5593   // (in this case, vsync mode was changed on setup screen)
5594   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5595     execSetupGraphics_setVsyncModes(FALSE);
5596
5597   // update list selection from "setup.window_scaling_percent"
5598   // (window scaling may have changed by resizing the window)
5599   execSetupGraphics_setWindowSizes(TRUE);
5600
5601   // update list selection from "setup.vsync_mode"
5602   // (vsync_mode may have changed by re-creating the renderer)
5603   execSetupGraphics_setVsyncModes(TRUE);
5604
5605   execSetupGraphics_setScalingTypes();
5606   execSetupGraphics_setRenderingModes();
5607
5608   setup_mode = SETUP_MODE_GRAPHICS;
5609
5610   DrawSetupScreen();
5611
5612   // check if game speed is high enough for 60 Hz vsync to work
5613   if (check_game_speed)
5614     ModifyGameSpeedIfNeeded();
5615
5616   // window scaling may have changed at this point
5617   ChangeWindowScalingIfNeeded();
5618
5619   // window scaling quality may have changed at this point
5620   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5621     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5622
5623   // screen rendering mode may have changed at this point
5624   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5625
5626   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5627   int video_vsync_mode = video.vsync_mode;
5628
5629   // screen vsync mode may have changed at this point
5630   ChangeVsyncModeIfNeeded();
5631
5632   // check if setting vsync mode to selected value failed
5633   if (setup_vsync_mode != video_vsync_mode &&
5634       setup_vsync_mode != video.vsync_mode)
5635   {
5636     // changing vsync mode to selected value failed -- reset displayed value
5637     execSetupGraphics_setVsyncModes(TRUE);
5638
5639     Request("Setting VSync failed!", REQ_CONFIRM);
5640
5641     DrawSetupScreen();
5642   }
5643 }
5644
5645 static void execSetupChooseWindowSize(void)
5646 {
5647   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5648
5649   DrawSetupScreen();
5650 }
5651
5652 static void execSetupChooseScalingType(void)
5653 {
5654   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5655
5656   DrawSetupScreen();
5657 }
5658
5659 static void execSetupChooseRenderingMode(void)
5660 {
5661   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5662
5663   DrawSetupScreen();
5664 }
5665
5666 static void execSetupChooseVsyncMode(void)
5667 {
5668   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5669
5670   DrawSetupScreen();
5671 }
5672
5673 static void execSetupChooseVolumeSimple(void)
5674 {
5675   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5676
5677   DrawSetupScreen();
5678 }
5679
5680 static void execSetupChooseVolumeLoops(void)
5681 {
5682   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5683
5684   DrawSetupScreen();
5685 }
5686
5687 static void execSetupChooseVolumeMusic(void)
5688 {
5689   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5690
5691   DrawSetupScreen();
5692 }
5693
5694 static void execSetupSound(void)
5695 {
5696   if (volumes_simple == NULL)
5697   {
5698     boolean current_volume_simple_found = FALSE;
5699     int i;
5700
5701     for (i = 0; volumes_list[i].value != -1; i++)
5702     {
5703       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5704       char identifier[32], name[32];
5705       int value = volumes_list[i].value;
5706       char *text = volumes_list[i].text;
5707
5708       ti->node_top = &volumes_simple;
5709       ti->sort_priority = value;
5710
5711       sprintf(identifier, "%d", value);
5712       sprintf(name, "%s", text);
5713
5714       setString(&ti->identifier, identifier);
5715       setString(&ti->name, name);
5716       setString(&ti->name_sorting, name);
5717       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5718
5719       pushTreeInfo(&volumes_simple, ti);
5720
5721       if (value == setup.volume_simple)
5722         current_volume_simple_found = TRUE;
5723     }
5724
5725     if (!current_volume_simple_found)
5726     {
5727       // add entry for non-preset volume value
5728
5729       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5730       char identifier[32], name[32];
5731       int value = setup.volume_simple;
5732
5733       ti->node_top = &volumes_simple;
5734       ti->sort_priority = value;
5735
5736       sprintf(identifier, "%d", value);
5737       sprintf(name, "%d %% (Current)", value);
5738
5739       setString(&ti->identifier, identifier);
5740       setString(&ti->name, name);
5741       setString(&ti->name_sorting, name);
5742       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5743
5744       pushTreeInfo(&volumes_simple, ti);
5745     }
5746
5747     // sort volume values to start with lowest volume value
5748     sortTreeInfo(&volumes_simple);
5749
5750     // set current volume value to configured volume value
5751     volume_simple_current =
5752       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5753
5754     // if that fails, set current volume to reliable default value
5755     if (volume_simple_current == NULL)
5756       volume_simple_current =
5757         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5758
5759     // if that also fails, set current volume to first available value
5760     if (volume_simple_current == NULL)
5761       volume_simple_current = volumes_simple;
5762   }
5763
5764   if (volumes_loops == NULL)
5765   {
5766     boolean current_volume_loops_found = FALSE;
5767     int i;
5768
5769     for (i = 0; volumes_list[i].value != -1; i++)
5770     {
5771       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5772       char identifier[32], name[32];
5773       int value = volumes_list[i].value;
5774       char *text = volumes_list[i].text;
5775
5776       ti->node_top = &volumes_loops;
5777       ti->sort_priority = value;
5778
5779       sprintf(identifier, "%d", value);
5780       sprintf(name, "%s", text);
5781
5782       setString(&ti->identifier, identifier);
5783       setString(&ti->name, name);
5784       setString(&ti->name_sorting, name);
5785       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5786
5787       pushTreeInfo(&volumes_loops, ti);
5788
5789       if (value == setup.volume_loops)
5790         current_volume_loops_found = TRUE;
5791     }
5792
5793     if (!current_volume_loops_found)
5794     {
5795       // add entry for non-preset volume value
5796
5797       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5798       char identifier[32], name[32];
5799       int value = setup.volume_loops;
5800
5801       ti->node_top = &volumes_loops;
5802       ti->sort_priority = value;
5803
5804       sprintf(identifier, "%d", value);
5805       sprintf(name, "%d %% (Current)", value);
5806
5807       setString(&ti->identifier, identifier);
5808       setString(&ti->name, name);
5809       setString(&ti->name_sorting, name);
5810       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5811
5812       pushTreeInfo(&volumes_loops, ti);
5813     }
5814
5815     // sort volume values to start with lowest volume value
5816     sortTreeInfo(&volumes_loops);
5817
5818     // set current volume value to configured volume value
5819     volume_loops_current =
5820       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5821
5822     // if that fails, set current volume to reliable default value
5823     if (volume_loops_current == NULL)
5824       volume_loops_current =
5825         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5826
5827     // if that also fails, set current volume to first available value
5828     if (volume_loops_current == NULL)
5829       volume_loops_current = volumes_loops;
5830   }
5831
5832   if (volumes_music == NULL)
5833   {
5834     boolean current_volume_music_found = FALSE;
5835     int i;
5836
5837     for (i = 0; volumes_list[i].value != -1; i++)
5838     {
5839       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5840       char identifier[32], name[32];
5841       int value = volumes_list[i].value;
5842       char *text = volumes_list[i].text;
5843
5844       ti->node_top = &volumes_music;
5845       ti->sort_priority = value;
5846
5847       sprintf(identifier, "%d", value);
5848       sprintf(name, "%s", text);
5849
5850       setString(&ti->identifier, identifier);
5851       setString(&ti->name, name);
5852       setString(&ti->name_sorting, name);
5853       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5854
5855       pushTreeInfo(&volumes_music, ti);
5856
5857       if (value == setup.volume_music)
5858         current_volume_music_found = TRUE;
5859     }
5860
5861     if (!current_volume_music_found)
5862     {
5863       // add entry for non-preset volume value
5864
5865       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5866       char identifier[32], name[32];
5867       int value = setup.volume_music;
5868
5869       ti->node_top = &volumes_music;
5870       ti->sort_priority = value;
5871
5872       sprintf(identifier, "%d", value);
5873       sprintf(name, "%d %% (Current)", value);
5874
5875       setString(&ti->identifier, identifier);
5876       setString(&ti->name, name);
5877       setString(&ti->name_sorting, name);
5878       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5879
5880       pushTreeInfo(&volumes_music, ti);
5881     }
5882
5883     // sort volume values to start with lowest volume value
5884     sortTreeInfo(&volumes_music);
5885
5886     // set current volume value to configured volume value
5887     volume_music_current =
5888       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5889
5890     // if that fails, set current volume to reliable default value
5891     if (volume_music_current == NULL)
5892       volume_music_current =
5893         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5894
5895     // if that also fails, set current volume to first available value
5896     if (volume_music_current == NULL)
5897       volume_music_current = volumes_music;
5898   }
5899
5900   setup.volume_simple = atoi(volume_simple_current->identifier);
5901   setup.volume_loops  = atoi(volume_loops_current->identifier);
5902   setup.volume_music  = atoi(volume_music_current->identifier);
5903
5904   // needed for displaying volume text instead of identifier
5905   volume_simple_text = volume_simple_current->name;
5906   volume_loops_text = volume_loops_current->name;
5907   volume_music_text = volume_music_current->name;
5908
5909   setup_mode = SETUP_MODE_SOUND;
5910
5911   DrawSetupScreen();
5912 }
5913
5914 static void execSetupChooseTouchControls(void)
5915 {
5916   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5917
5918   DrawSetupScreen();
5919 }
5920
5921 static void execSetupChooseMoveDistance(void)
5922 {
5923   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5924
5925   DrawSetupScreen();
5926 }
5927
5928 static void execSetupChooseDropDistance(void)
5929 {
5930   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5931
5932   DrawSetupScreen();
5933 }
5934
5935 static void execSetupChooseTransparency(void)
5936 {
5937   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5938
5939   DrawSetupScreen();
5940 }
5941
5942 static void execSetupChooseGridXSize_0(void)
5943 {
5944   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5945
5946   DrawSetupScreen();
5947 }
5948
5949 static void execSetupChooseGridYSize_0(void)
5950 {
5951   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5952
5953   DrawSetupScreen();
5954 }
5955
5956 static void execSetupChooseGridXSize_1(void)
5957 {
5958   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5959
5960   DrawSetupScreen();
5961 }
5962
5963 static void execSetupChooseGridYSize_1(void)
5964 {
5965   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5966
5967   DrawSetupScreen();
5968 }
5969
5970 static void execSetupConfigureVirtualButtons(void)
5971 {
5972   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5973
5974   ConfigureVirtualButtons();
5975
5976   setup_mode = SETUP_MODE_TOUCH;
5977
5978   DrawSetupScreen();
5979 }
5980
5981 static void execSetupTouch(void)
5982 {
5983   int i, j, k;
5984
5985   if (touch_controls == NULL)
5986   {
5987     for (i = 0; touch_controls_list[i].value != NULL; i++)
5988     {
5989       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5990       char identifier[32], name[32];
5991       char *value = touch_controls_list[i].value;
5992       char *text = touch_controls_list[i].text;
5993
5994       ti->node_top = &touch_controls;
5995       ti->sort_priority = i;
5996
5997       sprintf(identifier, "%s", value);
5998       sprintf(name, "%s", text);
5999
6000       setString(&ti->identifier, identifier);
6001       setString(&ti->name, name);
6002       setString(&ti->name_sorting, name);
6003       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6004
6005       pushTreeInfo(&touch_controls, ti);
6006     }
6007
6008     // sort touch control values to start with lowest touch control value
6009     sortTreeInfo(&touch_controls);
6010
6011     // set current touch control value to configured touch control value
6012     touch_control_current =
6013       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6014
6015     // if that fails, set current touch control to reliable default value
6016     if (touch_control_current == NULL)
6017       touch_control_current =
6018         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6019
6020     // if that also fails, set current touch control to first available value
6021     if (touch_control_current == NULL)
6022       touch_control_current = touch_controls;
6023   }
6024
6025   if (move_distances == NULL)
6026   {
6027     for (i = 0; distances_list[i].value != -1; i++)
6028     {
6029       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6030       char identifier[32], name[32];
6031       int value = distances_list[i].value;
6032       char *text = distances_list[i].text;
6033
6034       ti->node_top = &move_distances;
6035       ti->sort_priority = value;
6036
6037       sprintf(identifier, "%d", value);
6038       sprintf(name, "%s", text);
6039
6040       setString(&ti->identifier, identifier);
6041       setString(&ti->name, name);
6042       setString(&ti->name_sorting, name);
6043       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6044
6045       pushTreeInfo(&move_distances, ti);
6046     }
6047
6048     // sort distance values to start with lowest distance value
6049     sortTreeInfo(&move_distances);
6050
6051     // set current distance value to configured distance value
6052     move_distance_current =
6053       getTreeInfoFromIdentifier(move_distances,
6054                                 i_to_a(setup.touch.move_distance));
6055
6056     // if that fails, set current distance to reliable default value
6057     if (move_distance_current == NULL)
6058       move_distance_current =
6059         getTreeInfoFromIdentifier(move_distances,
6060                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6061
6062     // if that also fails, set current distance to first available value
6063     if (move_distance_current == NULL)
6064       move_distance_current = move_distances;
6065   }
6066
6067   if (drop_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 = &drop_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_DROP_DISTANCE);
6086
6087       pushTreeInfo(&drop_distances, ti);
6088     }
6089
6090     // sort distance values to start with lowest distance value
6091     sortTreeInfo(&drop_distances);
6092
6093     // set current distance value to configured distance value
6094     drop_distance_current =
6095       getTreeInfoFromIdentifier(drop_distances,
6096                                 i_to_a(setup.touch.drop_distance));
6097
6098     // if that fails, set current distance to reliable default value
6099     if (drop_distance_current == NULL)
6100       drop_distance_current =
6101         getTreeInfoFromIdentifier(drop_distances,
6102                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6103
6104     // if that also fails, set current distance to first available value
6105     if (drop_distance_current == NULL)
6106       drop_distance_current = drop_distances;
6107   }
6108
6109   if (transparencies == NULL)
6110   {
6111     for (i = 0; transparencies_list[i].value != -1; i++)
6112     {
6113       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6114       char identifier[32], name[32];
6115       int value = transparencies_list[i].value;
6116       char *text = transparencies_list[i].text;
6117
6118       ti->node_top = &transparencies;
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_TRANSPARENCY);
6128
6129       pushTreeInfo(&transparencies, ti);
6130     }
6131
6132     // sort transparency values to start with lowest transparency value
6133     sortTreeInfo(&transparencies);
6134
6135     // set current transparency value to configured transparency value
6136     transparency_current =
6137       getTreeInfoFromIdentifier(transparencies,
6138                                 i_to_a(setup.touch.transparency));
6139
6140     // if that fails, set current transparency to reliable default value
6141     if (transparency_current == NULL)
6142       transparency_current =
6143         getTreeInfoFromIdentifier(transparencies,
6144                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6145
6146     // if that also fails, set current transparency to first available value
6147     if (transparency_current == NULL)
6148       transparency_current = transparencies;
6149   }
6150
6151   for (i = 0; i < 2; i++)
6152   {
6153     for (j = 0; j < 2; j++)
6154     {
6155       if (grid_sizes[i][j] == NULL)
6156       {
6157         for (k = 0; grid_sizes_list[k].value != -1; k++)
6158         {
6159           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6160           char identifier[32], name[32];
6161           int value = grid_sizes_list[k].value;
6162           char *text = grid_sizes_list[k].text;
6163
6164           ti->node_top = &grid_sizes[i][j];
6165           ti->sort_priority = value;
6166
6167           sprintf(identifier, "%d", value);
6168           sprintf(name, "%s", text);
6169
6170           setString(&ti->identifier, identifier);
6171           setString(&ti->name, name);
6172           setString(&ti->name_sorting, name);
6173           setString(&ti->infotext,
6174                     (i == 0 ?
6175                      (j == 0 ?
6176                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6177                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6178                      (j == 0 ?
6179                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6180                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6181
6182           pushTreeInfo(&grid_sizes[i][j], ti);
6183         }
6184
6185         // sort grid size values to start with lowest grid size value
6186         sortTreeInfo(&grid_sizes[i][j]);
6187
6188         // set current grid size value to configured grid size value
6189         grid_size_current[i][j] =
6190           getTreeInfoFromIdentifier(grid_sizes[i][j],
6191                                     i_to_a(j == 0 ?
6192                                            setup.touch.grid_xsize[i] :
6193                                            setup.touch.grid_ysize[i]));
6194
6195         // if that fails, set current grid size to reliable default value
6196         if (grid_size_current[i][j] == NULL)
6197           grid_size_current[i][j] =
6198             getTreeInfoFromIdentifier(grid_sizes[i][j],
6199                                       i_to_a(j == 0 ?
6200                                              DEFAULT_GRID_XSIZE(i) :
6201                                              DEFAULT_GRID_YSIZE(i)));
6202
6203         // if that also fails, set current grid size to first available value
6204         if (grid_size_current[i][j] == NULL)
6205           grid_size_current[i][j] = grid_sizes[i][j];
6206       }
6207     }
6208   }
6209
6210   setup.touch.control_type = touch_control_current->identifier;
6211   setup.touch.move_distance = atoi(move_distance_current->identifier);
6212   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6213   setup.touch.transparency = atoi(transparency_current->identifier);
6214
6215   for (i = 0; i < 2; i++)
6216   {
6217     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6218     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6219
6220     if (i == GRID_ACTIVE_NR())
6221     {
6222       overlay.grid_xsize = setup.touch.grid_xsize[i];
6223       overlay.grid_ysize = setup.touch.grid_ysize[i];
6224     }
6225   }
6226
6227   // needed for displaying value text instead of identifier
6228   touch_controls_text = touch_control_current->name;
6229   move_distance_text = move_distance_current->name;
6230   drop_distance_text = drop_distance_current->name;
6231   transparency_text = transparency_current->name;
6232
6233   for (i = 0; i < 2; i++)
6234     for (j = 0; j < 2; j++)
6235       grid_size_text[i][j] = grid_size_current[i][j]->name;
6236
6237   setup_mode = SETUP_MODE_TOUCH;
6238
6239   DrawSetupScreen();
6240 }
6241
6242 static void execSetupArtwork(void)
6243 {
6244 #if 0
6245   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6246         artwork.gfx_current->subdir,
6247         artwork.gfx_current->fullpath,
6248         artwork.gfx_current->basepath);
6249 #endif
6250
6251   setup.graphics_set = artwork.gfx_current->identifier;
6252   setup.sounds_set = artwork.snd_current->identifier;
6253   setup.music_set = artwork.mus_current->identifier;
6254
6255   // needed if last screen (setup choice) changed graphics, sounds or music
6256   ReloadCustomArtwork(0);
6257
6258   // needed for displaying artwork name instead of artwork identifier
6259   graphics_set_name = artwork.gfx_current->name;
6260   sounds_set_name = artwork.snd_current->name;
6261   music_set_name = artwork.mus_current->name;
6262
6263   setup_mode = SETUP_MODE_ARTWORK;
6264
6265   DrawSetupScreen();
6266 }
6267
6268 static void execSetupChooseGraphics(void)
6269 {
6270   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6271
6272   DrawSetupScreen();
6273 }
6274
6275 static void execSetupChooseSounds(void)
6276 {
6277   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6278
6279   DrawSetupScreen();
6280 }
6281
6282 static void execSetupChooseMusic(void)
6283 {
6284   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6285
6286   DrawSetupScreen();
6287 }
6288
6289 static void execSetupInput(void)
6290 {
6291   setup_mode = SETUP_MODE_INPUT;
6292
6293   DrawSetupScreen();
6294 }
6295
6296 static void execSetupShortcuts(void)
6297 {
6298   setup_mode = SETUP_MODE_SHORTCUTS;
6299
6300   DrawSetupScreen();
6301 }
6302
6303 static void execSetupShortcuts1(void)
6304 {
6305   setup_mode = SETUP_MODE_SHORTCUTS_1;
6306
6307   DrawSetupScreen();
6308 }
6309
6310 static void execSetupShortcuts2(void)
6311 {
6312   setup_mode = SETUP_MODE_SHORTCUTS_2;
6313
6314   DrawSetupScreen();
6315 }
6316
6317 static void execSetupShortcuts3(void)
6318 {
6319   setup_mode = SETUP_MODE_SHORTCUTS_3;
6320
6321   DrawSetupScreen();
6322 }
6323
6324 static void execSetupShortcuts4(void)
6325 {
6326   setup_mode = SETUP_MODE_SHORTCUTS_4;
6327
6328   DrawSetupScreen();
6329 }
6330
6331 static void execSetupShortcuts5(void)
6332 {
6333   setup_mode = SETUP_MODE_SHORTCUTS_5;
6334
6335   DrawSetupScreen();
6336 }
6337
6338 static void execExitSetup(void)
6339 {
6340   SetGameStatus(GAME_MODE_MAIN);
6341
6342   DrawMainMenu();
6343 }
6344
6345 static void execSaveAndExitSetup(void)
6346 {
6347   SaveSetup();
6348   execExitSetup();
6349 }
6350
6351 static void execGadgetNetworkServer(void)
6352 {
6353   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6354   struct GadgetInfo *gi = screen_gadget[gadget_id];
6355
6356   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6357     network_server_hostname[0] = '\0';
6358
6359   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6360
6361   MapGadget(gi);
6362
6363   ClickOnGadget(gi, MB_LEFTBUTTON);
6364 }
6365
6366 static void ToggleNetworkModeIfNeeded(void)
6367 {
6368   int font_title = FONT_TITLE_1;
6369   int font_foot = FC_BLUE;
6370   int ystart  = mSY - SY + 16;
6371   int ybottom = mSY - SY + SYSIZE - 20;
6372   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6373
6374   if (setup.network_mode == network.enabled)
6375     return;
6376
6377   network.enabled = setup.network_mode;
6378
6379   FadeOut(REDRAW_ALL);
6380
6381   ClearField();
6382
6383   DrawTextSCentered(ystart, font_title, text);
6384
6385   FadeIn(REDRAW_ALL);
6386
6387   if (network.enabled)
6388     InitNetworkServer();
6389   else
6390     DisconnectFromNetworkServer();
6391
6392   DrawTextSCentered(ybottom, font_foot,
6393                     "Press any key or button for setup menu");
6394
6395   WaitForEventToContinue();
6396
6397   DrawSetupScreen();
6398 }
6399
6400 static void ToggleGameSpeedsListIfNeeded(void)
6401 {
6402   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6403
6404   if (setup.game_speed_extended == using_game_speeds_extended)
6405     return;
6406
6407   // try to match similar values when changing game speeds list
6408   if (setup.game_speed_extended)
6409     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6410                               setup.game_frame_delay == 30 ? 29 :
6411                               setup.game_frame_delay);
6412   else
6413     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6414                               setup.game_frame_delay == 16 ? 15 :
6415                               setup.game_frame_delay >= 29 ? 30 :
6416                               setup.game_frame_delay <= 10 ? 10 :
6417                               setup.game_frame_delay);
6418
6419   execSetupGame_setGameSpeeds(TRUE);
6420
6421   DrawSetupScreen();
6422 }
6423
6424 static void ModifyGameSpeedIfNeeded(void)
6425 {
6426   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6427       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6428     return;
6429
6430   char message[100];
6431   char *game_speed_text = "Fast";
6432   int game_speed_value = 15;
6433
6434   if (setup.game_speed_extended)
6435   {
6436     game_speed_text = "60 fps";
6437     game_speed_value = 16;
6438   }
6439
6440   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6441
6442   // set game speed to existing list value that is fast enough for vsync
6443   setup.game_frame_delay = game_speed_value;
6444
6445   execSetupGame_setGameSpeeds(TRUE);
6446
6447   Request(message, REQ_CONFIRM);
6448 }
6449
6450 static void DisableVsyncIfNeeded(void)
6451 {
6452   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6453       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6454        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6455     return;
6456
6457   // disable vsync for the selected game speed to work
6458   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6459
6460   execSetupGraphics_setVsyncModes(TRUE);
6461
6462   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6463 }
6464
6465 static struct
6466 {
6467   void *value;
6468   void *related_value;
6469 } hide_related_entry_list[] =
6470 {
6471   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6472   { &setup.game_frame_delay,            &game_speed_text                },
6473
6474   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6475   { &setup.scroll_delay_value,          &scroll_delay_text              },
6476
6477   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6478   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6479
6480   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6481   { &setup.window_scaling_percent,      &window_size_text               },
6482
6483   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6484   { &setup.window_scaling_quality,      &scaling_type_text              },
6485
6486   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6487   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6488
6489   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6490   { &setup.vsync_mode,                  &vsync_mode_text                },
6491
6492   { &setup.graphics_set,                execSetupChooseGraphics         },
6493   { &setup.graphics_set,                &graphics_set_name              },
6494
6495   { &setup.sounds_set,                  execSetupChooseSounds           },
6496   { &setup.sounds_set,                  &sounds_set_name                },
6497
6498   { &setup.music_set,                   execSetupChooseMusic            },
6499   { &setup.music_set,                   &music_set_name                 },
6500
6501   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6502   { &setup.volume_simple,               &volume_simple_text             },
6503
6504   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6505   { &setup.volume_loops,                &volume_loops_text              },
6506
6507   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6508   { &setup.volume_music,                &volume_music_text              },
6509
6510   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6511   { &setup.touch.control_type,          &touch_controls_text            },
6512
6513   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6514   { &setup.touch.move_distance,         &move_distance_text             },
6515
6516   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6517   { &setup.touch.drop_distance,         &drop_distance_text             },
6518
6519   { &setup.touch.transparency,          execSetupChooseTransparency     },
6520   { &setup.touch.transparency,          &transparency_text              },
6521
6522   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6523   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6524
6525   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6526   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6527
6528   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6529   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6530
6531   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6532   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6533
6534   { &setup.internal.menu_game,          execSetupGame                   },
6535   { &setup.internal.menu_engines,       execSetupEngines                },
6536   { &setup.internal.menu_editor,        execSetupEditor                 },
6537   { &setup.internal.menu_graphics,      execSetupGraphics               },
6538   { &setup.internal.menu_sound,         execSetupSound                  },
6539   { &setup.internal.menu_artwork,       execSetupArtwork                },
6540   { &setup.internal.menu_input,         execSetupInput                  },
6541   { &setup.internal.menu_touch,         execSetupTouch                  },
6542   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6543   { &setup.internal.menu_exit,          execExitSetup                   },
6544   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6545
6546   { NULL,                               NULL                            }
6547 };
6548
6549 void setHideRelatedSetupEntries(void)
6550 {
6551   int i;
6552
6553   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6554     if (hideSetupEntry(hide_related_entry_list[i].value))
6555       setHideSetupEntry(hide_related_entry_list[i].related_value);
6556 }
6557
6558 static struct TokenInfo setup_info_main[] =
6559 {
6560   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6561   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6562   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6563   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6564   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6565   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6566   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6567   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6568   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6569   { TYPE_EMPTY,         NULL,                   ""                      },
6570   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6571   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6572
6573   { 0,                  NULL,                   NULL                    }
6574 };
6575
6576 static struct TokenInfo setup_info_game[] =
6577 {
6578   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6579   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6580   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6581   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6582   { TYPE_STRING,        &network_server_text,   ""                      },
6583   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6584   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6585   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6586   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6587   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6588   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6589   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6590   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6591   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6592   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6593   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6594   { TYPE_STRING,        &game_speed_text,       ""                      },
6595   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6596 #if 1
6597   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6598   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6599 #endif
6600   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6601   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6602   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6603   { TYPE_EMPTY,         NULL,                   ""                      },
6604   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6605
6606   { 0,                  NULL,                   NULL                    }
6607 };
6608
6609 static struct TokenInfo setup_info_engines[] =
6610 {
6611   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6612   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6613   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6614   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6615   { TYPE_EMPTY,         NULL,                   ""                      },
6616   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6617   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6618   { TYPE_EMPTY,         NULL,                   ""                      },
6619   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6620
6621   { 0,                  NULL,                   NULL                    }
6622 };
6623
6624 static struct TokenInfo setup_info_editor[] =
6625 {
6626 #if 0
6627   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6628   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6629   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6630   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6631   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6632   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6633   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6634   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6635   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6636   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6637 #endif
6638   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6639   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6640 #if 0
6641   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6642 #endif
6643   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6644   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6645   { TYPE_EMPTY,         NULL,                   ""                      },
6646 #if 0
6647   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6648   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6649   { TYPE_EMPTY,         NULL,                   ""                      },
6650 #endif
6651   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6652   { TYPE_EMPTY,         NULL,                   ""                      },
6653   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6654
6655   { 0,                  NULL,                   NULL                    }
6656 };
6657
6658 static struct TokenInfo setup_info_graphics[] =
6659 {
6660 #if !defined(PLATFORM_ANDROID)
6661   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6662   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6663   { TYPE_STRING,        &window_size_text,      ""                      },
6664   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6665   { TYPE_STRING,        &scaling_type_text,     ""                      },
6666   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6667   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6668 #endif
6669 #if 0
6670   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6671   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6672 #endif
6673   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6674   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6675   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6676   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6677   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6678   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6679   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6680   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6681   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6682   { TYPE_EMPTY,         NULL,                   ""                      },
6683   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6684
6685   { 0,                  NULL,                   NULL                    }
6686 };
6687
6688 static struct TokenInfo setup_info_sound[] =
6689 {
6690   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6691   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6692   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6693   { TYPE_EMPTY,         NULL,                   ""                      },
6694   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6695   { TYPE_STRING,        &volume_simple_text,    ""                      },
6696   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6697   { TYPE_STRING,        &volume_loops_text,     ""                      },
6698   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6699   { TYPE_STRING,        &volume_music_text,     ""                      },
6700   { TYPE_EMPTY,         NULL,                   ""                      },
6701   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6702
6703   { 0,                  NULL,                   NULL                    }
6704 };
6705
6706 static struct TokenInfo setup_info_artwork[] =
6707 {
6708   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6709   { TYPE_STRING,        &graphics_set_name,     ""                      },
6710   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6711   { TYPE_STRING,        &sounds_set_name,       ""                      },
6712   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6713   { TYPE_STRING,        &music_set_name,        ""                      },
6714   { TYPE_EMPTY,         NULL,                   ""                      },
6715   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6716   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6717   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6718   { TYPE_EMPTY,         NULL,                   ""                      },
6719   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6720
6721   { 0,                  NULL,                   NULL                    }
6722 };
6723
6724 static struct TokenInfo setup_info_input[] =
6725 {
6726   { TYPE_SWITCH,        NULL,                   "Player:"               },
6727   { TYPE_SWITCH,        NULL,                   "Device:"               },
6728   { TYPE_SWITCH,        NULL,                   ""                      },
6729   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6730   { TYPE_EMPTY,         NULL,                   ""                      },
6731   { TYPE_EMPTY,         NULL,                   ""                      },
6732   { TYPE_EMPTY,         NULL,                   ""                      },
6733   { TYPE_EMPTY,         NULL,                   ""                      },
6734   { TYPE_EMPTY,         NULL,                   ""                      },
6735   { TYPE_EMPTY,         NULL,                   ""                      },
6736   { TYPE_EMPTY,         NULL,                   ""                      },
6737   { TYPE_EMPTY,         NULL,                   ""                      },
6738   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6739   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6740
6741   { 0,                  NULL,                   NULL                    }
6742 };
6743
6744 static struct TokenInfo setup_info_touch[] =
6745 {
6746   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6747   { TYPE_STRING,        &touch_controls_text,   ""                      },
6748   { TYPE_EMPTY,         NULL,                   ""                      },
6749   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6750
6751   { 0,                  NULL,                   NULL                    }
6752 };
6753
6754 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6755 {
6756   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6757   { TYPE_STRING,        &touch_controls_text,   ""                      },
6758   { TYPE_EMPTY,         NULL,                   ""                      },
6759   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6760   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6761   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6762   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6763   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6764   { TYPE_STRING,        &transparency_text,     ""                      },
6765   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6766   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6767   { TYPE_EMPTY,         NULL,                   ""                      },
6768   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6769   { TYPE_EMPTY,         NULL,                   ""                      },
6770   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6771
6772   { 0,                  NULL,                   NULL                    }
6773 };
6774
6775 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6776 {
6777   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6778   { TYPE_STRING,        &touch_controls_text,   ""                      },
6779   { TYPE_EMPTY,         NULL,                   ""                      },
6780   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6781   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6782   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6783   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6784   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6785   { TYPE_STRING,        &transparency_text,     ""                      },
6786   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6787   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6788   { TYPE_EMPTY,         NULL,                   ""                      },
6789   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
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[] =
6797 {
6798   setup_info_touch_virtual_buttons_0,
6799   setup_info_touch_virtual_buttons_1
6800 };
6801
6802 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6803 {
6804   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6805   { TYPE_STRING,        &touch_controls_text,   ""                      },
6806   { TYPE_EMPTY,         NULL,                   ""                      },
6807   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6808   { TYPE_STRING,        &move_distance_text,    ""                      },
6809   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6810   { TYPE_STRING,        &drop_distance_text,    ""                      },
6811   { TYPE_EMPTY,         NULL,                   ""                      },
6812   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6813
6814   { 0,                  NULL,                   NULL                    }
6815 };
6816
6817 static struct TokenInfo setup_info_shortcuts[] =
6818 {
6819   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6820   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6821   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6822   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6823   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6824   { TYPE_EMPTY,         NULL,                   ""                      },
6825   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6826
6827   { 0,                  NULL,                   NULL                    }
6828 };
6829
6830 static struct TokenInfo setup_info_shortcuts_1[] =
6831 {
6832   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6833   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6834   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6835   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6836   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6837   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6838   { TYPE_EMPTY,         NULL,                   ""                      },
6839   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6840   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6841   { TYPE_EMPTY,         NULL,                   ""                      },
6842   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6843
6844   { 0,                  NULL,                   NULL                    }
6845 };
6846
6847 static struct TokenInfo setup_info_shortcuts_2[] =
6848 {
6849   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6850   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6851   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6852   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6853   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6854   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6855   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6856   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6857   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6858   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6859   { TYPE_EMPTY,         NULL,                   ""                      },
6860   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6861
6862   { 0,                  NULL,                   NULL                    }
6863 };
6864
6865 static struct TokenInfo setup_info_shortcuts_3[] =
6866 {
6867   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6868   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6869   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6870   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6871   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6872   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6873   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6874   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6875   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6876   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6877   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6878   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6879   { TYPE_EMPTY,         NULL,                   ""                      },
6880   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6881
6882   { 0,                  NULL,                   NULL                    }
6883 };
6884
6885 static struct TokenInfo setup_info_shortcuts_4[] =
6886 {
6887   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6888   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6889   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6890   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6891   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6892   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6893   { TYPE_EMPTY,         NULL,                   ""                      },
6894   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6895
6896   { 0,                  NULL,                   NULL                    }
6897 };
6898
6899 static struct TokenInfo setup_info_shortcuts_5[] =
6900 {
6901   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6902   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6903   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6904   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6905   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6906   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6907   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6908   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6909   { TYPE_EMPTY,         NULL,                   ""                      },
6910   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6911
6912   { 0,                  NULL,                   NULL                    }
6913 };
6914
6915 static Key getSetupKey(void)
6916 {
6917   Key key = KSYM_UNDEFINED;
6918   boolean got_key_event = FALSE;
6919
6920   while (!got_key_event)
6921   {
6922     Event event;
6923
6924     if (NextValidEvent(&event))
6925     {
6926       switch (event.type)
6927       {
6928         case EVENT_KEYPRESS:
6929           {
6930             key = GetEventKey((KeyEvent *)&event, TRUE);
6931
6932             // press 'Escape' or 'Enter' to keep the existing key binding
6933             if (key == KSYM_Escape || key == KSYM_Return)
6934               key = KSYM_UNDEFINED;     // keep old value
6935
6936             got_key_event = TRUE;
6937           }
6938           break;
6939
6940         case EVENT_KEYRELEASE:
6941           key_joystick_mapping = 0;
6942           break;
6943
6944         default:
6945           HandleOtherEvents(&event);
6946           break;
6947       }
6948     }
6949
6950     BackToFront();
6951   }
6952
6953   return key;
6954 }
6955
6956 static int getSetupValueFont(int type, void *value)
6957 {
6958   if (type & TYPE_GHOSTED)
6959     return FONT_OPTION_OFF;
6960   else if (type & TYPE_KEY)
6961     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6962   else if (type & TYPE_STRING)
6963     return FONT_VALUE_2;
6964   else if (type & TYPE_ECS_AGA)
6965     return FONT_VALUE_1;
6966   else if (type & TYPE_BOOLEAN_STYLE)
6967     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6968   else if (type & TYPE_YES_NO_AUTO)
6969     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6970             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6971   else if (type & TYPE_PLAYER)
6972     return FONT_VALUE_1;
6973   else
6974     return FONT_VALUE_1;
6975 }
6976
6977 static int getSetupValueFontNarrow(int type, int font_nr)
6978 {
6979   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6980           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6981           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6982           font_nr);
6983 }
6984
6985 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6986 {
6987   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6988   struct TokenInfo *si = &setup_info[si_pos];
6989   boolean font_draw_xoffset_modified = FALSE;
6990   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6991   int font_draw_xoffset_old = -1;
6992   int xoffset = (scrollbar_needed ? -1 : 0);
6993   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6994   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6995   int xpos = menu_screen_value_xpos;
6996   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6997   int startx = mSX + xpos * 32;
6998   int starty = mSY + ypos * 32;
6999   int type = si->type;
7000   void *value = si->value;
7001   char *value_string = getSetupValue(type, value);
7002   int font_nr_default = getSetupValueFont(type, value);
7003   int font_width_default = getFontWidth(font_nr_default);
7004   int font_nr = font_nr_default;
7005   int i;
7006
7007   if (value_string == NULL)
7008     return;
7009
7010   if (type & TYPE_KEY)
7011   {
7012     xpos = MENU_SCREEN_START_XPOS;
7013
7014     if (type & TYPE_QUERY)
7015       value_string = "<press key>";
7016   }
7017   else if (type & TYPE_STRING)
7018   {
7019     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7020
7021     xpos = MENU_SCREEN_START_XPOS;
7022
7023     if (strlen(value_string) > max_value_len)
7024       value_string[max_value_len] = '\0';
7025   }
7026   else if (type & TYPE_YES_NO_AUTO)
7027   {
7028     xpos = menu_screen_value_xpos - 1;
7029   }
7030   else if (type & TYPE_PLAYER)
7031   {
7032     int displayed_player_nr = *(int *)value + 1;
7033
7034     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7035   }
7036
7037   startx = mSX + xpos * 32;
7038   starty = mSY + ypos * 32;
7039
7040   // special check if right-side setup values moved left due to scrollbar
7041   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7042   {
7043     int max_menu_text_length = 26;      // maximum text length for classic menu
7044     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7045     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7046     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7047     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7048     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7049
7050     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7051     {
7052       // when using narrow font, left-shifting text "auto" not needed
7053       if (type & TYPE_YES_NO_AUTO)
7054         xpos += 1;
7055
7056       xpos += 1;
7057       startx = mSX + xpos * 32;
7058
7059       font_nr = getSetupValueFontNarrow(type, font_nr);
7060     }
7061   }
7062
7063   // downward compatibility correction for Juergen Bonhagen's menu settings
7064   if (setup_mode != SETUP_MODE_INPUT)
7065   {
7066     int max_menu_text_length_big = (menu_screen_value_xpos -
7067                                     MENU_SCREEN_START_XPOS);
7068     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7069     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7070     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7071     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7072     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7073     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7074     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7075     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7076     boolean correct_font_draw_xoffset = FALSE;
7077
7078     if (xpos == MENU_SCREEN_START_XPOS &&
7079         startx + font1_xoffset < text_startx + text_font_xoffset)
7080       correct_font_draw_xoffset = TRUE;
7081
7082     if (xpos == menu_screen_value_xpos &&
7083         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7084       correct_font_draw_xoffset = TRUE;
7085
7086     // check if setup value would overlap with setup text when printed
7087     // (this can happen for extreme/wrong values for font draw offset)
7088     if (correct_font_draw_xoffset)
7089     {
7090       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7091       font_draw_xoffset_modified = TRUE;
7092
7093       if (type & TYPE_KEY)
7094         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7095       else if (!(type & TYPE_STRING))
7096         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7097           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7098     }
7099   }
7100
7101   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7102     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7103
7104   DrawText(startx, starty, value_string, font_nr);
7105
7106   if (type & TYPE_PLAYER)
7107   {
7108     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7109     int player_nr = *(int *)value;
7110     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7111     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7112     int startx2 = startx + xoff;
7113     int starty2 = starty + yoff;
7114
7115     if (DrawingOnBackground(startx2, starty2))
7116       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7117
7118     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7119                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7120   }
7121
7122   if (font_draw_xoffset_modified)
7123     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7124 }
7125
7126 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7127 {
7128   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7129   struct TokenInfo *si = &setup_info[si_pos];
7130
7131   if (si->type & TYPE_BOOLEAN_STYLE)
7132   {
7133     *(boolean *)si->value ^= TRUE;
7134   }
7135   else if (si->type & TYPE_YES_NO_AUTO)
7136   {
7137     *(int *)si->value =
7138       (dx == -1 ?
7139        (*(int *)si->value == AUTO ? TRUE :
7140         *(int *)si->value == TRUE ? FALSE : AUTO) :
7141        (*(int *)si->value == TRUE ? AUTO :
7142         *(int *)si->value == AUTO ? FALSE : TRUE));
7143   }
7144   else if (si->type & TYPE_KEY)
7145   {
7146     Key key;
7147
7148     si->type |= TYPE_QUERY;
7149     drawSetupValue(screen_pos, setup_info_pos_raw);
7150     si->type &= ~TYPE_QUERY;
7151
7152     key = getSetupKey();
7153     if (key != KSYM_UNDEFINED)
7154       *(Key *)si->value = key;
7155   }
7156   else if (si->type & TYPE_PLAYER)
7157   {
7158     int player_nr = *(int *)si->value;
7159
7160     if (dx)
7161       player_nr += dx;
7162     else
7163       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7164
7165     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7166   }
7167
7168   drawSetupValue(screen_pos, setup_info_pos_raw);
7169
7170   // fullscreen state may have changed at this point
7171   if (si->value == &setup.fullscreen)
7172     ToggleFullscreenIfNeeded();
7173
7174   // network mode may have changed at this point
7175   if (si->value == &setup.network_mode)
7176     ToggleNetworkModeIfNeeded();
7177
7178   // game speed list may have changed at this point
7179   if (si->value == &setup.game_speed_extended)
7180     ToggleGameSpeedsListIfNeeded();
7181 }
7182
7183 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7184 {
7185   static struct TokenInfo *setup_info_final = NULL;
7186   int list_size = 0;
7187   int list_pos = 0;
7188   int i;
7189
7190   // determine maximum list size of target list
7191   while (setup_info_orig[list_size++].type != 0);
7192
7193   // free, allocate and clear memory for target list
7194   checked_free(setup_info_final);
7195   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7196
7197   // copy setup info list without setup entries marked as hidden
7198   for (i = 0; setup_info_orig[i].type != 0; i++)
7199   {
7200     // skip setup entries configured to be hidden
7201     if (hideSetupEntry(setup_info_orig[i].value))
7202       continue;
7203
7204     // skip skippable setup entries if screen is lower than usual
7205     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7206         setup_info_orig[i].type == TYPE_SKIPPABLE)
7207       continue;
7208
7209     setup_info_final[list_pos++] = setup_info_orig[i];
7210   }
7211
7212   return setup_info_final;
7213 }
7214
7215 static void DrawSetupScreen_Generic(void)
7216 {
7217   int fade_mask = REDRAW_FIELD;
7218   boolean redraw_all = FALSE;
7219   char *title_string = NULL;
7220   int i;
7221
7222   if (CheckFadeAll())
7223     fade_mask = REDRAW_ALL;
7224
7225   UnmapAllGadgets();
7226   FadeMenuSoundsAndMusic();
7227
7228   FreeScreenGadgets();
7229   CreateScreenGadgets();
7230
7231   if (redraw_mask & REDRAW_ALL)
7232     redraw_all = TRUE;
7233
7234   FadeOut(fade_mask);
7235
7236   // needed if different viewport properties defined for setup screen
7237   ChangeViewportPropertiesIfNeeded();
7238
7239   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7240
7241   ClearField();
7242
7243   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7244
7245   if (setup_mode == SETUP_MODE_MAIN)
7246   {
7247     setup_info = setup_info_main;
7248     title_string = STR_SETUP_MAIN;
7249   }
7250   else if (setup_mode == SETUP_MODE_GAME)
7251   {
7252     setup_info = setup_info_game;
7253     title_string = STR_SETUP_GAME;
7254   }
7255   else if (setup_mode == SETUP_MODE_ENGINES)
7256   {
7257     setup_info = setup_info_engines;
7258     title_string = STR_SETUP_ENGINES;
7259   }
7260   else if (setup_mode == SETUP_MODE_EDITOR)
7261   {
7262     setup_info = setup_info_editor;
7263     title_string = STR_SETUP_EDITOR;
7264   }
7265   else if (setup_mode == SETUP_MODE_GRAPHICS)
7266   {
7267     setup_info = setup_info_graphics;
7268     title_string = STR_SETUP_GRAPHICS;
7269   }
7270   else if (setup_mode == SETUP_MODE_SOUND)
7271   {
7272     setup_info = setup_info_sound;
7273     title_string = STR_SETUP_SOUND;
7274   }
7275   else if (setup_mode == SETUP_MODE_ARTWORK)
7276   {
7277     setup_info = setup_info_artwork;
7278     title_string = STR_SETUP_ARTWORK;
7279   }
7280   else if (setup_mode == SETUP_MODE_TOUCH)
7281   {
7282     setup_info = setup_info_touch;
7283     title_string = STR_SETUP_TOUCH;
7284
7285     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7286       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7287     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7288       setup_info = setup_info_touch_wipe_gestures;
7289   }
7290   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7291   {
7292     setup_info = setup_info_shortcuts;
7293     title_string = STR_SETUP_SHORTCUTS;
7294   }
7295   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7296   {
7297     setup_info = setup_info_shortcuts_1;
7298     title_string = STR_SETUP_SHORTCUTS;
7299   }
7300   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7301   {
7302     setup_info = setup_info_shortcuts_2;
7303     title_string = STR_SETUP_SHORTCUTS;
7304   }
7305   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7306   {
7307     setup_info = setup_info_shortcuts_3;
7308     title_string = STR_SETUP_SHORTCUTS;
7309   }
7310   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7311   {
7312     setup_info = setup_info_shortcuts_4;
7313     title_string = STR_SETUP_SHORTCUTS;
7314   }
7315   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7316   {
7317     setup_info = setup_info_shortcuts_5;
7318     title_string = STR_SETUP_SHORTCUTS;
7319   }
7320
7321   // use modified setup info without setup entries marked as hidden
7322   setup_info = getSetupInfoFinal(setup_info);
7323
7324   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7325
7326   // determine maximal number of setup entries that can be displayed on screen
7327   num_setup_info = 0;
7328   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7329     num_setup_info++;
7330
7331   // determine maximal number of setup entries available for this setup screen
7332   max_setup_info = 0;
7333   for (i = 0; setup_info[i].type != 0; i++)
7334     max_setup_info++;
7335
7336   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7337
7338   MapScreenGadgets(max_setup_info);
7339
7340   if (redraw_all)
7341     redraw_mask = fade_mask = REDRAW_ALL;
7342
7343   DrawMaskedBorder(fade_mask);
7344
7345   FadeIn(fade_mask);
7346 }
7347
7348 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7349 {
7350   menu_info = setup_info;
7351
7352   HandleMenuScreen(mx, my, dx, dy, button,
7353                    setup_mode, num_setup_info, max_setup_info);
7354 }
7355
7356 static void DrawSetupScreen_Input(void)
7357 {
7358   int i;
7359
7360   FadeOut(REDRAW_FIELD);
7361
7362   ClearField();
7363
7364   setup_info = getSetupInfoFinal(setup_info_input);
7365
7366   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7367
7368   for (i = 0; setup_info[i].type != 0; i++)
7369   {
7370     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7371       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7372     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7373       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7374     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7375       initCursor(i, IMG_MENU_BUTTON);
7376
7377     DrawCursorAndText_Setup(i, -1, FALSE);
7378   }
7379
7380   // create gadgets for setup input menu screen
7381   FreeScreenGadgets();
7382   CreateScreenGadgets();
7383
7384   // map gadgets for setup input menu screen
7385   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7386
7387   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7388
7389   FadeIn(REDRAW_FIELD);
7390 }
7391
7392 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7393 {
7394   if (device_name == NULL)
7395     return;
7396
7397   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7398     device_nr = 0;
7399
7400   if (strlen(device_name) > 1)
7401   {
7402     char c1 = device_name[strlen(device_name) - 1];
7403     char c2 = device_name[strlen(device_name) - 2];
7404
7405     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7406       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7407   }
7408   else
7409     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7410             strlen(device_name));
7411 }
7412
7413 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7414 {
7415   int i;
7416   static struct SetupKeyboardInfo custom_key;
7417   static struct
7418   {
7419     Key *key;
7420     char *text;
7421   } custom[] =
7422   {
7423     { &custom_key.left,  "Axis/Pad Left"  },
7424     { &custom_key.right, "Axis/Pad Right" },
7425     { &custom_key.up,    "Axis/Pad Up"    },
7426     { &custom_key.down,  "Axis/Pad Down"  },
7427     { &custom_key.snap,  "Button 1/A/X"   },
7428     { &custom_key.drop,  "Button 2/B/Y"   }
7429   };
7430   static char *joystick_name[MAX_PLAYERS] =
7431   {
7432     "Joystick1",
7433     "Joystick2",
7434     "Joystick3",
7435     "Joystick4"
7436   };
7437   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7438   int font_nr_info = FONT_MENU_1;
7439   int font_nr_name = FONT_VALUE_OLD;
7440   int font_nr_on   = FONT_VALUE_1;
7441   int font_nr_off  = FONT_VALUE_OLD;
7442   int pos = 4;
7443
7444   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7445   {
7446     font_nr_info = FONT_MENU_2;
7447     font_nr_on   = FONT_VALUE_NARROW;
7448     font_nr_off  = FONT_VALUE_OLD_NARROW;
7449   }
7450
7451   custom_key = setup.input[player_nr].key;
7452
7453   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7454            FONT_INPUT_1_ACTIVE);
7455
7456   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7457                              TILEX, TILEY);
7458   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7459                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7460
7461   if (setup.input[player_nr].use_joystick)
7462   {
7463     char *device_name = setup.input[player_nr].joy.device_name;
7464     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7465     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7466     char *text = joystick_name[joystick_nr];
7467     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7468
7469     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7470     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7471   }
7472   else
7473   {
7474     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7475     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7476   }
7477
7478   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7479     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7480   else
7481     pos = 3;
7482
7483   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7484   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7485   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7486   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7487
7488   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7489   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7490   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7491   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7492   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7493   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7494
7495   for (i = 0; i < 6; i++)
7496   {
7497     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7498
7499     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7500              "              ", font_nr_on);
7501     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7502              (setup.input[player_nr].use_joystick ?
7503               custom[i].text :
7504               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7505   }
7506 }
7507
7508 static int input_player_nr = 0;
7509
7510 static void HandleSetupScreen_Input_Player(int step, int direction)
7511 {
7512   int old_player_nr = input_player_nr;
7513   int new_player_nr;
7514
7515   new_player_nr = old_player_nr + step * direction;
7516   if (new_player_nr < 0)
7517     new_player_nr = 0;
7518   if (new_player_nr > MAX_PLAYERS - 1)
7519     new_player_nr = MAX_PLAYERS - 1;
7520
7521   if (new_player_nr != old_player_nr)
7522   {
7523     input_player_nr = new_player_nr;
7524
7525     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7526   }
7527 }
7528
7529 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7530 {
7531   static int choice = 0;
7532   int x = 0;
7533   int y = choice;
7534   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7535   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7536   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7537   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7538
7539   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7540   {
7541     int i;
7542
7543     for (i = 0; setup_info_input[i].type != 0; i++)
7544     {
7545       // adjust menu structure according to skipped setup entries
7546       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7547       {
7548         pos_empty2--;
7549         pos_end--;
7550       }
7551     }
7552   }
7553
7554   if (button == MB_MENU_INITIALIZE)
7555   {
7556     // input setup menu may have changed size due to graphics configuration
7557     if (choice >= pos_empty1)
7558       choice = pos_end;
7559
7560     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7561
7562     DrawCursorAndText_Setup(choice, -1, TRUE);
7563
7564     return;
7565   }
7566   else if (button == MB_MENU_LEAVE)
7567   {
7568     setup_mode = SETUP_MODE_MAIN;
7569     DrawSetupScreen();
7570     InitJoysticks();
7571
7572     return;
7573   }
7574
7575   if (mx || my)         // mouse input
7576   {
7577     x = (mx - mSX) / 32;
7578     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7579   }
7580   else if (dx || dy)    // keyboard input
7581   {
7582     if (dx && choice == 0)
7583       x = (dx < 0 ? 10 : 12);
7584     else if ((dx && choice == 1) ||
7585              (dx == -1 && choice == pos_end))
7586       button = MB_MENU_CHOICE;
7587     else if (dy)
7588       y = choice + dy;
7589
7590     if (y >= pos_empty1 && y <= pos_empty2)
7591       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7592   }
7593
7594   if (y == 0 && dx != 0 && button)
7595   {
7596     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7597   }
7598   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7599            y >= pos_start && y <= pos_end &&
7600            !(y >= pos_empty1 && y <= pos_empty2))
7601   {
7602     if (button)
7603     {
7604       if (y != choice)
7605       {
7606         DrawCursorAndText_Setup(choice, -1, FALSE);
7607         DrawCursorAndText_Setup(y, -1, TRUE);
7608
7609         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7610
7611         choice = y;
7612       }
7613     }
7614     else
7615     {
7616       if (y == 1)
7617       {
7618         char *device_name = setup.input[input_player_nr].joy.device_name;
7619
7620         if (!setup.input[input_player_nr].use_joystick)
7621         {
7622           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7623
7624           setJoystickDeviceToNr(device_name, new_device_nr);
7625           setup.input[input_player_nr].use_joystick = TRUE;
7626         }
7627         else
7628         {
7629           int device_nr = getJoystickNrFromDeviceName(device_name);
7630           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7631
7632           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7633             setup.input[input_player_nr].use_joystick = FALSE;
7634           else
7635             setJoystickDeviceToNr(device_name, new_device_nr);
7636         }
7637
7638         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7639       }
7640       else if (y == 2)
7641       {
7642         if (setup.input[input_player_nr].use_joystick)
7643           ConfigureJoystick(input_player_nr);
7644         else
7645           CustomizeKeyboard(input_player_nr);
7646       }
7647       else if (y == pos_end)
7648       {
7649         InitJoysticks();
7650
7651         FadeSetLeaveMenu();
7652
7653         setup_mode = SETUP_MODE_MAIN;
7654         DrawSetupScreen();
7655       }
7656     }
7657   }
7658 }
7659
7660 static boolean CustomizeKeyboardMain(int player_nr)
7661 {
7662   int i;
7663   int step_nr;
7664   boolean finished = FALSE;
7665   static struct SetupKeyboardInfo custom_key;
7666   static struct
7667   {
7668     Key *key;
7669     char *text;
7670   } customize_step[] =
7671   {
7672     { &custom_key.left,  "Move Left"    },
7673     { &custom_key.right, "Move Right"   },
7674     { &custom_key.up,    "Move Up"      },
7675     { &custom_key.down,  "Move Down"    },
7676     { &custom_key.snap,  "Snap Field"   },
7677     { &custom_key.drop,  "Drop Element" }
7678   };
7679   int font_nr_old = FONT_VALUE_OLD;
7680   int font_nr_new = FONT_VALUE_1;
7681   boolean success = FALSE;
7682
7683   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7684   {
7685     font_nr_old = FONT_VALUE_OLD_NARROW;
7686     font_nr_new = FONT_VALUE_NARROW;
7687   }
7688
7689   // read existing key bindings from player setup
7690   custom_key = setup.input[player_nr].key;
7691
7692   FadeSetEnterMenu();
7693   FadeOut(REDRAW_FIELD);
7694
7695   ClearField();
7696
7697   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7698
7699   step_nr = 0;
7700   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7701            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7702   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7703            "Key:", FONT_INPUT_1_ACTIVE);
7704   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7705            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7706
7707   FadeIn(REDRAW_FIELD);
7708
7709   while (!finished)
7710   {
7711     Event event;
7712
7713     if (NextValidEvent(&event))
7714     {
7715       switch (event.type)
7716       {
7717         case EVENT_KEYPRESS:
7718           {
7719             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7720
7721             // press 'Escape' to abort and keep the old key bindings
7722             if (key == KSYM_Escape)
7723             {
7724               FadeSkipNextFadeIn();
7725
7726               finished = TRUE;
7727
7728               break;
7729             }
7730
7731             // press 'Enter' to keep the existing key binding
7732             if (key == KSYM_Return)
7733               key = *customize_step[step_nr].key;
7734
7735             // check if key already used
7736             for (i = 0; i < step_nr; i++)
7737               if (*customize_step[i].key == key)
7738                 break;
7739             if (i < step_nr)
7740               break;
7741
7742             // got new key binding
7743             *customize_step[step_nr].key = key;
7744             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7745                      "             ", font_nr_new);
7746             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7747                      getKeyNameFromKey(key), font_nr_new);
7748             step_nr++;
7749
7750             // un-highlight last query
7751             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7752                      customize_step[step_nr - 1].text, FONT_MENU_1);
7753             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7754                      "Key:", FONT_MENU_1);
7755
7756             // all keys configured
7757             if (step_nr == 6)
7758             {
7759               finished = TRUE;
7760               success = TRUE;
7761
7762               break;
7763             }
7764
7765             // query next key binding
7766             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7767                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7768             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7769                      "Key:", FONT_INPUT_1_ACTIVE);
7770             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7771                      getKeyNameFromKey(*customize_step[step_nr].key),
7772                      font_nr_old);
7773           }
7774           break;
7775
7776         case EVENT_KEYRELEASE:
7777           key_joystick_mapping = 0;
7778           break;
7779
7780         default:
7781           HandleOtherEvents(&event);
7782           break;
7783       }
7784     }
7785
7786     BackToFront();
7787   }
7788
7789   // write new key bindings back to player setup, if successfully finished
7790   if (success)
7791     setup.input[player_nr].key = custom_key;
7792
7793   return success;
7794 }
7795
7796 void CustomizeKeyboard(int player_nr)
7797 {
7798   boolean success = CustomizeKeyboardMain(player_nr);
7799
7800   if (success)
7801   {
7802     int font_nr = FONT_TITLE_1;
7803     int font_height = getFontHeight(font_nr);
7804     int ypos1 = SYSIZE / 2 - font_height * 2;
7805     int ypos2 = SYSIZE / 2 - font_height * 1;
7806     unsigned int wait_frame_delay = 0;
7807     unsigned int wait_frame_delay_value = 2000;
7808
7809     ResetDelayCounter(&wait_frame_delay);
7810
7811     ClearField();
7812
7813     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7814     DrawTextSCentered(ypos2, font_nr, "configured!");
7815
7816     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7817       BackToFront();
7818
7819     ClearEventQueue();
7820   }
7821
7822   DrawSetupScreen_Input();
7823 }
7824
7825 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7826
7827 #define MARKER_BUTTON           1
7828 #define MARKER_AXIS_X           2
7829 #define MARKER_AXIS_Y           3
7830
7831 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7832 {
7833   static boolean bitmaps_initialized = FALSE;
7834   boolean screen_initialized = FALSE;
7835   static Bitmap *controller, *button, *axis_x, *axis_y;
7836   char *name;
7837   boolean success = TRUE;
7838   boolean done = FALSE, next = FALSE;
7839   Event event;
7840   int alpha = 200, alpha_step = -1;
7841   int alpha_ticks = 0;
7842   char mapping[4096], temp[256];
7843   int font_name = MENU_SETUP_FONT_TITLE;
7844   int font_info = MENU_SETUP_FONT_TEXT;
7845   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7846   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7847   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7848   int ystep_name = getMenuTextStep(spacing_name, font_name);
7849   int ystep_line = getMenuTextStep(spacing_line, font_info);
7850   int ystep_para = getMenuTextStep(spacing_para, font_info);
7851   int i, j;
7852
7853   struct
7854   {
7855     int x, y;
7856     int marker;
7857     char *field;
7858     int axis, button, hat, hat_value;
7859     char mapping[4096];
7860   }
7861   *step, *prev_step, steps[] =
7862   {
7863     { 356, 155, MARKER_BUTTON, "a",             },
7864     { 396, 122, MARKER_BUTTON, "b",             },
7865     { 320, 125, MARKER_BUTTON, "x",             },
7866     { 358,  95, MARKER_BUTTON, "y",             },
7867     { 162, 125, MARKER_BUTTON, "back",          },
7868     { 216, 125, MARKER_BUTTON, "guide",         },
7869     { 271, 125, MARKER_BUTTON, "start",         },
7870     { 110, 200, MARKER_BUTTON, "dpleft",        },
7871     { 146, 228, MARKER_BUTTON, "dpdown",        },
7872     { 178, 200, MARKER_BUTTON, "dpright",       },
7873     { 146, 172, MARKER_BUTTON, "dpup",          },
7874     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7875     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7876     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7877     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7878     {  73, 141, MARKER_BUTTON, "leftstick",     },
7879     { 282, 210, MARKER_BUTTON, "rightstick",    },
7880     {  73, 141, MARKER_AXIS_X, "leftx",         },
7881     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7882     { 282, 210, MARKER_AXIS_X, "rightx",        },
7883     { 282, 210, MARKER_AXIS_Y, "righty",        },
7884   };
7885
7886   unsigned int event_frame_delay = 0;
7887   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7888
7889   ResetDelayCounter(&event_frame_delay);
7890
7891   if (!bitmaps_initialized)
7892   {
7893     controller = LoadCustomImage("joystick/controller.png");
7894     button     = LoadCustomImage("joystick/button.png");
7895     axis_x     = LoadCustomImage("joystick/axis_x.png");
7896     axis_y     = LoadCustomImage("joystick/axis_y.png");
7897
7898     bitmaps_initialized = TRUE;
7899   }
7900
7901   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7902
7903 #if DEBUG_JOYSTICKS
7904   // print info about the joystick we are watching
7905   Debug("joystick", "watching joystick %d: (%s)",
7906         SDL_JoystickInstanceID(joystick), name);
7907   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7908         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7909         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7910 #endif
7911
7912   // initialize mapping with GUID and name
7913   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7914
7915   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7916            temp, name, SDL_GetPlatform());
7917
7918   // loop through all steps (buttons and axes), getting joystick events
7919   for (i = 0; i < SDL_arraysize(steps) && !done;)
7920   {
7921     Bitmap *marker = button;    // initialize with reliable default value
7922
7923     step = &steps[i];
7924     strcpy(step->mapping, mapping);
7925     step->axis = -1;
7926     step->button = -1;
7927     step->hat = -1;
7928     step->hat_value = -1;
7929
7930     marker = (step->marker == MARKER_BUTTON ? button :
7931               step->marker == MARKER_AXIS_X ? axis_x :
7932               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7933
7934     next = FALSE;
7935
7936     while (!done && !next)
7937     {
7938       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7939       alpha_ticks = SDL_GetTicks();
7940
7941       if (alpha >= 255)
7942       {
7943         alpha = 255;
7944         alpha_step = -1;
7945       }
7946       else if (alpha < 128)
7947       {
7948         alpha = 127;
7949         alpha_step = 1;
7950       }
7951
7952       int controller_x = SX + (SXSIZE - controller->width) / 2;
7953       int controller_y = SY + ystep_line;
7954
7955       int marker_x = controller_x + step->x;
7956       int marker_y = controller_y + step->y;
7957
7958       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7959       int ystart2 = ystart1 + ystep_name + ystep_line;
7960
7961       ClearField();
7962
7963       DrawTextSCentered(ystart1, font_name, name);
7964
7965       DrawTextSCentered(ystart2, font_info,
7966                         "Press buttons and move axes on");
7967       ystart2 += ystep_line;
7968       DrawTextSCentered(ystart2, font_info,
7969                         "your controller when indicated.");
7970       ystart2 += ystep_line;
7971       DrawTextSCentered(ystart2, font_info,
7972                         "(Your controller may look different.)");
7973       ystart2 += ystep_para;
7974
7975 #if defined(PLATFORM_ANDROID)
7976       DrawTextSCentered(ystart2, font_info,
7977                         "To correct a mistake,");
7978       ystart2 += ystep_line;
7979       DrawTextSCentered(ystart2, font_info,
7980                         "press the 'back' button.");
7981       ystart2 += ystep_line;
7982       DrawTextSCentered(ystart2, font_info,
7983                         "To skip a button or axis,");
7984       ystart2 += ystep_line;
7985       DrawTextSCentered(ystart2, font_info,
7986                         "press the 'menu' button.");
7987 #else
7988       DrawTextSCentered(ystart2, font_info,
7989                         "To correct a mistake,");
7990       ystart2 += ystep_line;
7991       DrawTextSCentered(ystart2, font_info,
7992                         "press the 'backspace' key.");
7993       ystart2 += ystep_line;
7994       DrawTextSCentered(ystart2, font_info,
7995                         "To skip a button or axis,");
7996       ystart2 += ystep_line;
7997       DrawTextSCentered(ystart2, font_info,
7998                         "press the 'return' key.");
7999       ystart2 += ystep_line;
8000       DrawTextSCentered(ystart2, font_info,
8001                         "To exit, press the 'escape' key.");
8002 #endif
8003
8004       BlitBitmapMasked(controller, drawto, 0, 0,
8005                        controller->width, controller->height,
8006                        controller_x, controller_y);
8007
8008       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8009       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8010
8011       BlitBitmapMasked(marker, drawto, 0, 0,
8012                        marker->width, marker->height,
8013                        marker_x, marker_y);
8014
8015       if (!screen_initialized)
8016         FadeIn(REDRAW_FIELD);
8017       else
8018         BackToFront();
8019
8020       screen_initialized = TRUE;
8021
8022       while (NextValidEvent(&event))
8023       {
8024         switch (event.type)
8025         {
8026           case SDL_JOYAXISMOTION:
8027             if (event.jaxis.value > 20000 ||
8028                 event.jaxis.value < -20000)
8029             {
8030               for (j = 0; j < i; j++)
8031                 if (steps[j].axis == event.jaxis.axis)
8032                   break;
8033
8034               if (j == i)
8035               {
8036                 if (step->marker != MARKER_AXIS_X &&
8037                     step->marker != MARKER_AXIS_Y)
8038                   break;
8039
8040                 step->axis = event.jaxis.axis;
8041                 strcat(mapping, step->field);
8042                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8043                 strcat(mapping, temp);
8044                 i++;
8045                 next = TRUE;
8046               }
8047             }
8048
8049             break;
8050
8051           case SDL_JOYHATMOTION:
8052             // ignore centering; we're probably just coming back
8053             // to the center from the previous item we set
8054             if (event.jhat.value == SDL_HAT_CENTERED)
8055               break;
8056
8057             for (j = 0; j < i; j++)
8058               if (steps[j].hat == event.jhat.hat &&
8059                   steps[j].hat_value == event.jhat.value)
8060                 break;
8061
8062             if (j == i)
8063             {
8064               step->hat = event.jhat.hat;
8065               step->hat_value = event.jhat.value;
8066               strcat(mapping, step->field);
8067               snprintf(temp, sizeof(temp), ":h%u.%u,",
8068                        event.jhat.hat, event.jhat.value );
8069               strcat(mapping, temp);
8070               i++;
8071               next = TRUE;
8072             }
8073
8074             break;
8075
8076           case SDL_JOYBALLMOTION:
8077             break;
8078
8079           case SDL_JOYBUTTONUP:
8080             for (j = 0; j < i; j++)
8081               if (steps[j].button == event.jbutton.button)
8082                 break;
8083
8084             if (j == i)
8085             {
8086               step->button = event.jbutton.button;
8087               strcat(mapping, step->field);
8088               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8089               strcat(mapping, temp);
8090               i++;
8091               next = TRUE;
8092             }
8093
8094             break;
8095
8096           case SDL_FINGERDOWN:
8097           case SDL_MOUSEBUTTONDOWN:
8098             // skip this step
8099             i++;
8100             next = TRUE;
8101
8102             break;
8103
8104           case SDL_KEYDOWN:
8105             if (event.key.keysym.sym == KSYM_BackSpace ||
8106                 event.key.keysym.sym == KSYM_Back)
8107             {
8108               if (i == 0)
8109               {
8110                 // leave screen
8111                 success = FALSE;
8112                 done = TRUE;
8113
8114                 break;
8115               }
8116
8117               // undo this step
8118               prev_step = &steps[i - 1];
8119               strcpy(mapping, prev_step->mapping);
8120               i--;
8121               next = TRUE;
8122
8123               break;
8124             }
8125
8126             if (event.key.keysym.sym == KSYM_space ||
8127                 event.key.keysym.sym == KSYM_Return ||
8128                 event.key.keysym.sym == KSYM_Menu)
8129             {
8130               // skip this step
8131               i++;
8132               next = TRUE;
8133
8134               break;
8135             }
8136
8137             if (event.key.keysym.sym == KSYM_Escape)
8138             {
8139               // leave screen
8140               success = FALSE;
8141               done = TRUE;
8142             }
8143
8144             break;
8145
8146           case SDL_QUIT:
8147             program.exit_function(0);
8148             break;
8149
8150           default:
8151             break;
8152         }
8153
8154         // do not handle events for longer than standard frame delay period
8155         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8156           break;
8157       }
8158     }
8159   }
8160
8161   if (success)
8162   {
8163 #if DEBUG_JOYSTICKS
8164     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8165 #endif
8166
8167     // activate mapping for this game
8168     SDL_GameControllerAddMapping(mapping);
8169
8170     // save mapping to personal mappings
8171     SaveSetup_AddGameControllerMapping(mapping);
8172   }
8173
8174   // wait until the last pending event was removed from event queue
8175   while (NextValidEvent(&event));
8176
8177   return success;
8178 }
8179
8180 static int ConfigureJoystickMain(int player_nr)
8181 {
8182   char *device_name = setup.input[player_nr].joy.device_name;
8183   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8184   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8185   int success = FALSE;
8186   int i;
8187
8188   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8189     return JOYSTICK_NOT_AVAILABLE;
8190
8191   if (!joystick_active || !setup.input[player_nr].use_joystick)
8192     return JOYSTICK_NOT_AVAILABLE;
8193
8194   FadeSetEnterMenu();
8195   FadeOut(REDRAW_FIELD);
8196
8197   // close all joystick devices (potentially opened as game controllers)
8198   for (i = 0; i < SDL_NumJoysticks(); i++)
8199     SDLCloseJoystick(i);
8200
8201   // open joystick device as plain joystick to configure as game controller
8202   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8203
8204   // as the joystick was successfully opened before, this should not happen
8205   if (joystick == NULL)
8206     return FALSE;
8207
8208   // create new game controller mapping (buttons and axes) for joystick device
8209   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8210
8211   // close joystick (and maybe re-open as configured game controller later)
8212   SDL_JoystickClose(joystick);
8213
8214   // re-open all joystick devices (potentially as game controllers)
8215   for (i = 0; i < SDL_NumJoysticks(); i++)
8216     SDLOpenJoystick(i);
8217
8218   // clear all joystick input actions for all joystick devices
8219   SDLClearJoystickState();
8220
8221   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8222 }
8223
8224 void ConfigureJoystick(int player_nr)
8225 {
8226   boolean state = ConfigureJoystickMain(player_nr);
8227
8228   if (state != JOYSTICK_NOT_CONFIGURED)
8229   {
8230     boolean success = (state == JOYSTICK_CONFIGURED);
8231     char message1[MAX_OUTPUT_LINESIZE + 1];
8232     char *message2 = (success ? "configured!" : "not available!");
8233     char *device_name = setup.input[player_nr].joy.device_name;
8234     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8235     int font_nr = FONT_TITLE_1;
8236     int font_height = getFontHeight(font_nr);
8237     int ypos1 = SYSIZE / 2 - font_height * 2;
8238     int ypos2 = SYSIZE / 2 - font_height * 1;
8239     unsigned int wait_frame_delay = 0;
8240     unsigned int wait_frame_delay_value = 2000;
8241
8242     ResetDelayCounter(&wait_frame_delay);
8243
8244     ClearField();
8245
8246     sprintf(message1, "Joystick %d", nr);
8247
8248     DrawTextSCentered(ypos1, font_nr, message1);
8249     DrawTextSCentered(ypos2, font_nr, message2);
8250
8251     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8252       BackToFront();
8253
8254     ClearEventQueue();
8255   }
8256
8257   DrawSetupScreen_Input();
8258 }
8259
8260 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8261 {
8262   if (y < video.screen_height / 3)
8263   {
8264     // remap touch gadgets to access upper part of the screen
8265     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8266     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8267   }
8268   else if (y > 2 * video.screen_height / 3)
8269   {
8270     // remap touch gadgets to access lower part of the screen
8271     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8272     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8273   }
8274 }
8275
8276 static boolean ConfigureVirtualButtonsMain(void)
8277 {
8278   static char *customize_step_text[] =
8279   {
8280     "Move Left",
8281     "Move Right",
8282     "Move Up",
8283     "Move Down",
8284     "Snap Field",
8285     "Drop Element"
8286   };
8287   char grid_button[] =
8288   {
8289     CHAR_GRID_BUTTON_LEFT,
8290     CHAR_GRID_BUTTON_RIGHT,
8291     CHAR_GRID_BUTTON_UP,
8292     CHAR_GRID_BUTTON_DOWN,
8293     CHAR_GRID_BUTTON_SNAP,
8294     CHAR_GRID_BUTTON_DROP
8295   };
8296   enum
8297   {
8298     ACTION_NONE,
8299     ACTION_ESCAPE,
8300     ACTION_BACK,
8301     ACTION_NEXT
8302   };
8303   int font_nr = FONT_INPUT_1_ACTIVE;
8304   int font_height = getFontHeight(font_nr);
8305   int ypos1 = SYSIZE / 2 - font_height * 2;
8306   int ypos2 = SYSIZE / 2 - font_height * 1;
8307   boolean success = FALSE;
8308   boolean finished = FALSE;
8309   int step_nr = 0;
8310   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8311   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8312   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8313   boolean set_grid_button = FALSE;
8314   int nr = GRID_ACTIVE_NR();
8315   int x, y;
8316
8317   for (x = 0; x < MAX_GRID_XSIZE; x++)
8318     for (y = 0; y < MAX_GRID_YSIZE; y++)
8319       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8320
8321   overlay.grid_button_highlight = grid_button[step_nr];
8322
8323   UnmapAllGadgets();
8324
8325   FadeSetEnterMenu();
8326   FadeOut(REDRAW_FIELD);
8327
8328   ClearField();
8329
8330   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8331   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8332   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8333
8334   FadeIn(REDRAW_FIELD);
8335
8336   SetOverlayShowGrid(TRUE);
8337
8338   // map gadgets for setup touch buttons menu screen
8339   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8340
8341   while (!finished)
8342   {
8343     Event event;
8344
8345     while (NextValidEvent(&event))
8346     {
8347       int action = ACTION_NONE;
8348
8349       // ---------- handle events and set the resulting action ----------
8350
8351       switch (event.type)
8352       {
8353         case EVENT_USER:
8354           {
8355             UserEvent *user = (UserEvent *)&event;
8356             int id = user->value1;
8357
8358             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8359                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8360                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8361                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8362                       ACTION_NONE);
8363           }
8364           break;
8365
8366         case EVENT_KEYPRESS:
8367           {
8368             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8369
8370             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8371                       key == KSYM_BackSpace ||
8372                       key == KSYM_Back ?        ACTION_BACK :
8373                       key == KSYM_Return ||
8374                       key == KSYM_Menu ||
8375                       key == KSYM_space ?       ACTION_NEXT :
8376                       ACTION_NONE);
8377           }
8378           break;
8379
8380         case EVENT_KEYRELEASE:
8381           key_joystick_mapping = 0;
8382           break;
8383
8384         case EVENT_BUTTONPRESS:
8385         case EVENT_BUTTONRELEASE:
8386           {
8387             ButtonEvent *button = (ButtonEvent *)&event;
8388
8389             motion_status = FALSE;
8390
8391             if (button->type == EVENT_BUTTONPRESS)
8392               button_status = button->button;
8393             else
8394               button_status = MB_RELEASED;
8395
8396             if (HandleGadgets(button->x, button->y, button_status))
8397             {
8398               // do not handle this button event anymore
8399               break;
8400             }
8401
8402             button->x += video.screen_xoffset;
8403             button->y += video.screen_yoffset;
8404
8405             x = button->x * overlay.grid_xsize / video.screen_width;
8406             y = button->y * overlay.grid_ysize / video.screen_height;
8407
8408             if (button->type == EVENT_BUTTONPRESS)
8409             {
8410               grid_button_draw =
8411                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8412                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8413
8414               set_grid_button = TRUE;
8415             }
8416
8417             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8418           }
8419           break;
8420
8421         case EVENT_MOTIONNOTIFY:
8422           {
8423             MotionEvent *motion = (MotionEvent *)&event;
8424
8425             motion_status = TRUE;
8426
8427             if (HandleGadgets(motion->x, motion->y, button_status))
8428             {
8429               // do not handle this button event anymore
8430               break;
8431             }
8432
8433             motion->x += video.screen_xoffset;
8434             motion->y += video.screen_yoffset;
8435
8436             x = motion->x * overlay.grid_xsize / video.screen_width;
8437             y = motion->y * overlay.grid_ysize / video.screen_height;
8438
8439             set_grid_button = TRUE;
8440
8441             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8442           }
8443           break;
8444
8445         case SDL_WINDOWEVENT:
8446           HandleWindowEvent((WindowEvent *) &event);
8447
8448           // check if device has been rotated
8449           if (nr != GRID_ACTIVE_NR())
8450           {
8451             nr = GRID_ACTIVE_NR();
8452
8453             for (x = 0; x < MAX_GRID_XSIZE; x++)
8454               for (y = 0; y < MAX_GRID_YSIZE; y++)
8455                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8456                   overlay.grid_button[x][y];
8457           }
8458
8459           break;
8460
8461         case SDL_APP_WILLENTERBACKGROUND:
8462         case SDL_APP_DIDENTERBACKGROUND:
8463         case SDL_APP_WILLENTERFOREGROUND:
8464         case SDL_APP_DIDENTERFOREGROUND:
8465           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8466           break;
8467
8468         default:
8469           HandleOtherEvents(&event);
8470           break;
8471       }
8472
8473       // ---------- perform action set by handling events ----------
8474
8475       if (action == ACTION_ESCAPE)
8476       {
8477         // abort and restore the old key bindings
8478
8479         for (x = 0; x < MAX_GRID_XSIZE; x++)
8480           for (y = 0; y < MAX_GRID_YSIZE; y++)
8481             overlay.grid_button[x][y] = grid_button_old[x][y];
8482
8483         FadeSkipNextFadeIn();
8484
8485         finished = TRUE;
8486       }
8487       else if (action == ACTION_BACK)
8488       {
8489         // keep the configured key bindings and go to previous page
8490
8491         step_nr--;
8492
8493         if (step_nr < 0)
8494         {
8495           FadeSkipNextFadeIn();
8496
8497           finished = TRUE;
8498         }
8499       }
8500       else if (action == ACTION_NEXT)
8501       {
8502         // keep the configured key bindings and go to next page
8503
8504         step_nr++;
8505
8506         // all virtual buttons configured
8507         if (step_nr == 6)
8508         {
8509           finished = TRUE;
8510           success = TRUE;
8511         }
8512       }
8513
8514       if (action != ACTION_NONE && !finished)
8515       {
8516         for (x = 0; x < MAX_GRID_XSIZE; x++)
8517           for (y = 0; y < MAX_GRID_YSIZE; y++)
8518             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8519
8520         overlay.grid_button_highlight = grid_button[step_nr];
8521
8522         // configure next virtual button
8523
8524         ClearField();
8525
8526         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8527         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8528         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8529       }
8530
8531       if (set_grid_button)
8532       {
8533         overlay.grid_button[x][y] =
8534           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8535            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8536            grid_button_tmp[x][y]);
8537
8538         set_grid_button = FALSE;
8539       }
8540     }
8541
8542     BackToFront();
8543   }
8544
8545   for (x = 0; x < MAX_GRID_XSIZE; x++)
8546     for (y = 0; y < MAX_GRID_YSIZE; y++)
8547       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8548
8549   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8550
8551   SetOverlayShowGrid(FALSE);
8552
8553   return success;
8554 }
8555
8556 void ConfigureVirtualButtons(void)
8557 {
8558   boolean success = ConfigureVirtualButtonsMain();
8559
8560   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8561                          SCREEN_MASK_TOUCH2);
8562
8563   if (success)
8564   {
8565     int font_nr = FONT_TITLE_1;
8566     int font_height = getFontHeight(font_nr);
8567     int ypos1 = SYSIZE / 2 - font_height * 2;
8568     int ypos2 = SYSIZE / 2 - font_height * 1;
8569     unsigned int wait_frame_delay = 0;
8570     unsigned int wait_frame_delay_value = 2000;
8571
8572     ResetDelayCounter(&wait_frame_delay);
8573
8574     ClearField();
8575
8576     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8577     DrawTextSCentered(ypos2, font_nr, "configured!");
8578
8579     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8580       BackToFront();
8581
8582     ClearEventQueue();
8583   }
8584 }
8585
8586 void DrawSetupScreen(void)
8587 {
8588   align_xoffset = 0;
8589   align_yoffset = 0;
8590
8591   if (setup_mode == SETUP_MODE_INPUT)
8592     DrawSetupScreen_Input();
8593   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8594     DrawChooseTree(&game_speed_current);
8595   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8596     DrawChooseTree(&scroll_delay_current);
8597   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8598     DrawChooseTree(&snapshot_mode_current);
8599   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8600     DrawChooseTree(&window_size_current);
8601   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8602     DrawChooseTree(&scaling_type_current);
8603   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8604     DrawChooseTree(&rendering_mode_current);
8605   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8606     DrawChooseTree(&vsync_mode_current);
8607   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8608     DrawChooseTree(&artwork.gfx_current);
8609   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8610     DrawChooseTree(&artwork.snd_current);
8611   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8612     DrawChooseTree(&artwork.mus_current);
8613   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8614     DrawChooseTree(&volume_simple_current);
8615   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8616     DrawChooseTree(&volume_loops_current);
8617   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8618     DrawChooseTree(&volume_music_current);
8619   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8620     DrawChooseTree(&touch_control_current);
8621   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8622     DrawChooseTree(&move_distance_current);
8623   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8624     DrawChooseTree(&drop_distance_current);
8625   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8626     DrawChooseTree(&transparency_current);
8627   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8628     DrawChooseTree(&grid_size_current[0][0]);
8629   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8630     DrawChooseTree(&grid_size_current[0][1]);
8631   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8632     DrawChooseTree(&grid_size_current[1][0]);
8633   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8634     DrawChooseTree(&grid_size_current[1][1]);
8635   else
8636     DrawSetupScreen_Generic();
8637
8638   PlayMenuSoundsAndMusic();
8639 }
8640
8641 void RedrawSetupScreenAfterFullscreenToggle(void)
8642 {
8643   if (setup_mode == SETUP_MODE_GRAPHICS ||
8644       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8645   {
8646     // update list selection from "setup.window_scaling_percent"
8647     execSetupGraphics_setWindowSizes(TRUE);
8648
8649     DrawSetupScreen();
8650   }
8651 }
8652
8653 void RedrawSetupScreenAfterScreenRotation(int nr)
8654 {
8655   int x, y;
8656
8657   if (setup_mode == SETUP_MODE_TOUCH)
8658   {
8659     // update virtual button settings (depending on screen orientation)
8660     DrawSetupScreen();
8661   }
8662   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8663   {
8664     // save already configured virtual buttons
8665     for (x = 0; x < MAX_GRID_XSIZE; x++)
8666       for (y = 0; y < MAX_GRID_YSIZE; y++)
8667         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8668   }
8669 }
8670
8671 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8672 {
8673   if (setup_mode == SETUP_MODE_INPUT)
8674     HandleSetupScreen_Input(mx, my, dx, dy, button);
8675   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8676     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8677   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8678     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8679   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8680     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8681   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8682     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8683   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8684     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8685   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8686     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8687   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8688     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8689   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8690     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8691   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8692     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8693   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8694     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8695   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8696     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8697   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8698     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8699   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8700     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8701   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8702     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8703   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8704     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8705   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8706     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8707   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8708     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8709   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8710     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8711   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8712     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8713   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8714     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8715   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8716     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8717   else
8718     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8719 }
8720
8721 void HandleGameActions(void)
8722 {
8723   if (setup.ask_on_game_over)
8724     CheckGameOver();
8725
8726   if (game.restart_game_message != NULL)
8727   {
8728     RequestRestartGame(game.restart_game_message);
8729
8730     return;
8731   }
8732
8733   if (game_status != GAME_MODE_PLAYING)
8734     return;
8735
8736   GameActions();        // main game loop
8737
8738   if (tape.auto_play && !tape.playing)
8739     AutoPlayTapes();    // continue automatically playing next tape
8740 }
8741
8742
8743 // ---------- new screen button stuff --------------------------------------
8744
8745 static struct
8746 {
8747   int gfx_unpressed, gfx_pressed;
8748   struct MenuPosInfo *pos;
8749   boolean *check_value;
8750   int gadget_id;
8751   int screen_mask;
8752   unsigned int event_mask;
8753   boolean is_touch_button;
8754   char *infotext;
8755 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8756 {
8757   {
8758     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8759     &menu.main.button.prev_level, NULL,
8760     SCREEN_CTRL_ID_PREV_LEVEL,
8761     SCREEN_MASK_MAIN,
8762     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8763     FALSE, "previous level"
8764   },
8765   {
8766     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8767     &menu.main.button.next_level, NULL,
8768     SCREEN_CTRL_ID_NEXT_LEVEL,
8769     SCREEN_MASK_MAIN,
8770     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8771     FALSE, "next level"
8772   },
8773   {
8774     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8775     &menu.main.button.first_level, NULL,
8776     SCREEN_CTRL_ID_FIRST_LEVEL,
8777     SCREEN_MASK_MAIN,
8778     GD_EVENT_RELEASED,
8779     FALSE, "first level"
8780   },
8781   {
8782     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8783     &menu.main.button.last_level, NULL,
8784     SCREEN_CTRL_ID_LAST_LEVEL,
8785     SCREEN_MASK_MAIN,
8786     GD_EVENT_RELEASED,
8787     FALSE, "last level"
8788   },
8789   {
8790     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8791     &menu.main.button.level_number, NULL,
8792     SCREEN_CTRL_ID_LEVEL_NUMBER,
8793     SCREEN_MASK_MAIN,
8794     GD_EVENT_RELEASED,
8795     FALSE, "level number"
8796   },
8797   {
8798     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8799     &menu.setup.button.prev_player, NULL,
8800     SCREEN_CTRL_ID_PREV_PLAYER,
8801     SCREEN_MASK_INPUT,
8802     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8803     FALSE, "previous player"
8804   },
8805   {
8806     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8807     &menu.setup.button.next_player, NULL,
8808     SCREEN_CTRL_ID_NEXT_PLAYER,
8809     SCREEN_MASK_INPUT,
8810     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8811     FALSE, "next player"
8812   },
8813   {
8814     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8815     &menu.main.button.insert_solution, NULL,
8816     SCREEN_CTRL_ID_INSERT_SOLUTION,
8817     SCREEN_MASK_MAIN_HAS_SOLUTION,
8818     GD_EVENT_RELEASED,
8819     FALSE, "insert solution tape"
8820   },
8821   {
8822     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8823     &menu.main.button.play_solution, NULL,
8824     SCREEN_CTRL_ID_PLAY_SOLUTION,
8825     SCREEN_MASK_MAIN_HAS_SOLUTION,
8826     GD_EVENT_RELEASED,
8827     FALSE, "play solution tape"
8828   },
8829   {
8830     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8831     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8832     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8833     SCREEN_MASK_MAIN,
8834     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8835     FALSE, "switch ECS/AGA chipset"
8836   },
8837   {
8838     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8839     &menu.setup.button.touch_back, NULL,
8840     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8841     SCREEN_MASK_TOUCH,
8842     GD_EVENT_RELEASED,
8843     TRUE, "previous page"
8844   },
8845   {
8846     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8847     &menu.setup.button.touch_next, NULL,
8848     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8849     SCREEN_MASK_TOUCH,
8850     GD_EVENT_RELEASED,
8851     TRUE, "next page"
8852   },
8853   {
8854     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8855     &menu.setup.button.touch_back2, NULL,
8856     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8857     SCREEN_MASK_TOUCH2,
8858     GD_EVENT_RELEASED,
8859     TRUE, "previous page"
8860   },
8861   {
8862     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8863     &menu.setup.button.touch_next2, NULL,
8864     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8865     SCREEN_MASK_TOUCH2,
8866     GD_EVENT_RELEASED,
8867     TRUE, "next page"
8868   },
8869 };
8870
8871 static struct
8872 {
8873   int gfx_unpressed, gfx_pressed;
8874   int x, y;
8875   int gadget_id;
8876   char *infotext;
8877 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8878 {
8879   {
8880     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8881     -1, -1,     // these values are not constant, but can change at runtime
8882     SCREEN_CTRL_ID_SCROLL_UP,
8883     "scroll up"
8884   },
8885   {
8886     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8887     -1, -1,     // these values are not constant, but can change at runtime
8888     SCREEN_CTRL_ID_SCROLL_DOWN,
8889     "scroll down"
8890   }
8891 };
8892
8893 static struct
8894 {
8895   int gfx_unpressed, gfx_pressed;
8896   int x, y;
8897   int width, height;
8898   int type;
8899   int gadget_id;
8900   char *infotext;
8901 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8902 {
8903   {
8904     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8905     -1, -1,     // these values are not constant, but can change at runtime
8906     -1, -1,     // these values are not constant, but can change at runtime
8907     GD_TYPE_SCROLLBAR_VERTICAL,
8908     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8909     "scroll level series vertically"
8910   }
8911 };
8912
8913 static struct
8914 {
8915   int graphic;
8916   int gadget_id;
8917   int x, y;
8918   int size;
8919   char *value;
8920   char *infotext;
8921 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8922 {
8923   {
8924     IMG_SETUP_INPUT_TEXT,
8925     SCREEN_CTRL_ID_NETWORK_SERVER,
8926     -1, -1,     // these values are not constant, but can change at runtime
8927     MAX_SETUP_TEXT_INPUT_LEN,
8928     network_server_hostname,
8929     "Network Server Hostname / IP"
8930   },
8931 };
8932
8933 static void CreateScreenMenubuttons(void)
8934 {
8935   struct GadgetInfo *gi;
8936   unsigned int event_mask;
8937   int i;
8938
8939   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8940   {
8941     struct MenuPosInfo *pos = menubutton_info[i].pos;
8942     boolean is_touch_button = menubutton_info[i].is_touch_button;
8943     boolean is_check_button = menubutton_info[i].check_value != NULL;
8944     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8945     int gfx_unpressed, gfx_pressed;
8946     int x, y, width, height;
8947     int gd_x1, gd_x2, gd_y1, gd_y2;
8948     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8949     int id = menubutton_info[i].gadget_id;
8950     int type = GD_TYPE_NORMAL_BUTTON;
8951     boolean checked = FALSE;
8952
8953     event_mask = menubutton_info[i].event_mask;
8954
8955     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8956     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8957
8958     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8959     height = graphic_info[menubutton_info[i].gfx_pressed].height;
8960
8961     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8962     gfx_pressed   = menubutton_info[i].gfx_pressed;
8963     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8964     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8965     gd_x1 = graphic_info[gfx_unpressed].src_x;
8966     gd_y1 = graphic_info[gfx_unpressed].src_y;
8967     gd_x2 = graphic_info[gfx_pressed].src_x;
8968     gd_y2 = graphic_info[gfx_pressed].src_y;
8969     gd_x1a = gd_x1;
8970     gd_y1a = gd_y1;
8971     gd_x2a = gd_x2;
8972     gd_y2a = gd_y2;
8973
8974     if (is_touch_button)
8975     {
8976       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
8977       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
8978     }
8979
8980     if (is_check_button)
8981     {
8982       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
8983       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
8984       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
8985       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
8986
8987       type = GD_TYPE_CHECK_BUTTON;
8988       checked = *menubutton_info[i].check_value;
8989     }
8990
8991     gi = CreateGadget(GDI_CUSTOM_ID, id,
8992                       GDI_CUSTOM_TYPE_ID, i,
8993                       GDI_IMAGE_ID, gfx_unpressed,
8994                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8995                       GDI_X, x,
8996                       GDI_Y, y,
8997                       GDI_WIDTH, width,
8998                       GDI_HEIGHT, height,
8999                       GDI_TYPE, type,
9000                       GDI_STATE, GD_BUTTON_UNPRESSED,
9001                       GDI_CHECKED, checked,
9002                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9003                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9004                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9005                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9006                       GDI_DIRECT_DRAW, FALSE,
9007                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9008                       GDI_EVENT_MASK, event_mask,
9009                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9010                       GDI_END);
9011
9012     if (gi == NULL)
9013       Fail("cannot create gadget");
9014
9015     screen_gadget[id] = gi;
9016   }
9017 }
9018
9019 static void CreateScreenScrollbuttons(void)
9020 {
9021   struct GadgetInfo *gi;
9022   unsigned int event_mask;
9023   int i;
9024
9025   // these values are not constant, but can change at runtime
9026   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9027   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9028   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9029   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9030
9031   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9032   {
9033     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9034     int gfx_unpressed, gfx_pressed;
9035     int x, y, width, height;
9036     int gd_x1, gd_x2, gd_y1, gd_y2;
9037     int id = scrollbutton_info[i].gadget_id;
9038
9039     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9040
9041     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9042     y = mSY + scrollbutton_info[i].y;
9043     width = SC_SCROLLBUTTON_XSIZE;
9044     height = SC_SCROLLBUTTON_YSIZE;
9045
9046     // correct scrollbar position if placed outside menu (playfield) area
9047     if (x > SX + SC_SCROLL_UP_XPOS)
9048       x = SX + SC_SCROLL_UP_XPOS;
9049
9050     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9051       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9052                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9053
9054     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9055     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9056     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9057     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9058     gd_x1 = graphic_info[gfx_unpressed].src_x;
9059     gd_y1 = graphic_info[gfx_unpressed].src_y;
9060     gd_x2 = graphic_info[gfx_pressed].src_x;
9061     gd_y2 = graphic_info[gfx_pressed].src_y;
9062
9063     gi = CreateGadget(GDI_CUSTOM_ID, id,
9064                       GDI_CUSTOM_TYPE_ID, i,
9065                       GDI_IMAGE_ID, gfx_unpressed,
9066                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9067                       GDI_X, x,
9068                       GDI_Y, y,
9069                       GDI_WIDTH, width,
9070                       GDI_HEIGHT, height,
9071                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9072                       GDI_STATE, GD_BUTTON_UNPRESSED,
9073                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9074                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9075                       GDI_DIRECT_DRAW, FALSE,
9076                       GDI_EVENT_MASK, event_mask,
9077                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9078                       GDI_END);
9079
9080     if (gi == NULL)
9081       Fail("cannot create gadget");
9082
9083     screen_gadget[id] = gi;
9084   }
9085 }
9086
9087 static void CreateScreenScrollbars(void)
9088 {
9089   int i;
9090
9091   // these values are not constant, but can change at runtime
9092   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9093   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9094   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9095   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9096
9097   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9098   {
9099     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9100     int gfx_unpressed, gfx_pressed;
9101     int x, y, width, height;
9102     int gd_x1, gd_x2, gd_y1, gd_y2;
9103     struct GadgetInfo *gi;
9104     int items_max, items_visible, item_position;
9105     unsigned int event_mask;
9106     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9107     int id = scrollbar_info[i].gadget_id;
9108
9109     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9110
9111     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9112     y = mSY + scrollbar_info[i].y;
9113     width  = scrollbar_info[i].width;
9114     height = scrollbar_info[i].height;
9115
9116     // correct scrollbar position if placed outside menu (playfield) area
9117     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9118       x = SX + SC_SCROLL_VERTICAL_XPOS;
9119
9120     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9121       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9122
9123     items_max = num_page_entries;
9124     items_visible = num_page_entries;
9125     item_position = 0;
9126
9127     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9128     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9129     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9130     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9131     gd_x1 = graphic_info[gfx_unpressed].src_x;
9132     gd_y1 = graphic_info[gfx_unpressed].src_y;
9133     gd_x2 = graphic_info[gfx_pressed].src_x;
9134     gd_y2 = graphic_info[gfx_pressed].src_y;
9135
9136     gi = CreateGadget(GDI_CUSTOM_ID, id,
9137                       GDI_CUSTOM_TYPE_ID, i,
9138                       GDI_IMAGE_ID, gfx_unpressed,
9139                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9140                       GDI_X, x,
9141                       GDI_Y, y,
9142                       GDI_WIDTH, width,
9143                       GDI_HEIGHT, height,
9144                       GDI_TYPE, scrollbar_info[i].type,
9145                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9146                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9147                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9148                       GDI_WHEEL_AREA_X, SX,
9149                       GDI_WHEEL_AREA_Y, SY,
9150                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9151                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9152                       GDI_STATE, GD_BUTTON_UNPRESSED,
9153                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9154                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9155                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9156                       GDI_DIRECT_DRAW, FALSE,
9157                       GDI_EVENT_MASK, event_mask,
9158                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9159                       GDI_END);
9160
9161     if (gi == NULL)
9162       Fail("cannot create gadget");
9163
9164     screen_gadget[id] = gi;
9165   }
9166 }
9167
9168 static void CreateScreenTextInputGadgets(void)
9169 {
9170   int i;
9171
9172   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9173   {
9174     int graphic = textinput_info[i].graphic;
9175     struct GraphicInfo *gd = &graphic_info[graphic];
9176     int gd_x1 = gd->src_x;
9177     int gd_y1 = gd->src_y;
9178     int gd_x2 = gd->src_x + gd->active_xoffset;
9179     int gd_y2 = gd->src_y + gd->active_yoffset;
9180     struct GadgetInfo *gi;
9181     unsigned int event_mask;
9182     int id = textinput_info[i].gadget_id;
9183     int x = textinput_info[i].x;
9184     int y = textinput_info[i].y;
9185
9186     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9187
9188     gi = CreateGadget(GDI_CUSTOM_ID, id,
9189                       GDI_CUSTOM_TYPE_ID, i,
9190                       GDI_INFO_TEXT, textinput_info[i].infotext,
9191                       GDI_X, SX + x,
9192                       GDI_Y, SY + y,
9193                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9194                       GDI_TEXT_VALUE, textinput_info[i].value,
9195                       GDI_TEXT_SIZE, textinput_info[i].size,
9196                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9197                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9198                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9199                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9200                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9201                       GDI_DESIGN_WIDTH, gd->width,
9202                       GDI_EVENT_MASK, event_mask,
9203                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9204                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9205                       GDI_END);
9206
9207     if (gi == NULL)
9208       Fail("cannot create gadget");
9209
9210     screen_gadget[id] = gi;
9211   }
9212 }
9213
9214 void CreateScreenGadgets(void)
9215 {
9216   CreateScreenMenubuttons();
9217
9218   CreateScreenScrollbuttons();
9219   CreateScreenScrollbars();
9220
9221   CreateScreenTextInputGadgets();
9222 }
9223
9224 void FreeScreenGadgets(void)
9225 {
9226   int i;
9227
9228   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9229     FreeGadget(screen_gadget[i]);
9230 }
9231
9232 static void MapScreenMenuGadgets(int screen_mask)
9233 {
9234   int i;
9235
9236   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9237     if (screen_mask & menubutton_info[i].screen_mask)
9238       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9239 }
9240
9241 static void UnmapScreenMenuGadgets(int screen_mask)
9242 {
9243   int i;
9244
9245   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9246   {
9247     if (screen_mask & menubutton_info[i].screen_mask)
9248     {
9249       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9250
9251       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9252         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9253                        screen_gadget[menubutton_info[i].gadget_id]->y,
9254                        screen_gadget[menubutton_info[i].gadget_id]->width,
9255                        screen_gadget[menubutton_info[i].gadget_id]->height);
9256     }
9257   }
9258 }
9259
9260 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9261 {
9262   if (map_gadgets)
9263     MapScreenMenuGadgets(screen_mask);
9264   else
9265     UnmapScreenMenuGadgets(screen_mask);
9266 }
9267
9268 static void MapScreenGadgets(int num_entries)
9269 {
9270   int i;
9271
9272   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9273     return;
9274
9275   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9276     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9277
9278   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9279     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9280 }
9281
9282 static void MapScreenTreeGadgets(TreeInfo *ti)
9283 {
9284   MapScreenGadgets(numTreeInfoInGroup(ti));
9285 }
9286
9287 static void HandleScreenGadgets(struct GadgetInfo *gi)
9288 {
9289   int id = gi->custom_id;
9290   int button = gi->event.button;
9291   int step = (button == MB_LEFTBUTTON   ? 1 :
9292               button == MB_MIDDLEBUTTON ? 5 :
9293               button == MB_RIGHTBUTTON  ? 10 : 1);
9294
9295   switch (id)
9296   {
9297     case SCREEN_CTRL_ID_PREV_LEVEL:
9298       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9299       break;
9300
9301     case SCREEN_CTRL_ID_NEXT_LEVEL:
9302       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9303       break;
9304
9305     case SCREEN_CTRL_ID_FIRST_LEVEL:
9306       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9307       break;
9308
9309     case SCREEN_CTRL_ID_LAST_LEVEL:
9310       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9311       break;
9312
9313     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9314       CloseDoor(DOOR_CLOSE_2);
9315       SetGameStatus(GAME_MODE_LEVELNR);
9316       DrawChooseLevelNr();
9317       break;
9318
9319     case SCREEN_CTRL_ID_PREV_PLAYER:
9320       HandleSetupScreen_Input_Player(step, -1);
9321       break;
9322
9323     case SCREEN_CTRL_ID_NEXT_PLAYER:
9324       HandleSetupScreen_Input_Player(step, +1);
9325       break;
9326
9327     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9328       InsertSolutionTape();
9329       break;
9330
9331     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9332       PlaySolutionTape();
9333       break;
9334
9335     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9336       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9337       DrawMainMenu();
9338       break;
9339
9340     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9341     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9342     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9343     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9344       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9345       break;
9346
9347     case SCREEN_CTRL_ID_SCROLL_UP:
9348       if (game_status == GAME_MODE_NAMES)
9349         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9350       else if (game_status == GAME_MODE_LEVELS)
9351         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9352       else if (game_status == GAME_MODE_LEVELNR)
9353         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9354       else if (game_status == GAME_MODE_SETUP)
9355         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9356       else if (game_status == GAME_MODE_INFO)
9357         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9358       break;
9359
9360     case SCREEN_CTRL_ID_SCROLL_DOWN:
9361       if (game_status == GAME_MODE_NAMES)
9362         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9363       else if (game_status == GAME_MODE_LEVELS)
9364         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9365       else if (game_status == GAME_MODE_LEVELNR)
9366         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9367       else if (game_status == GAME_MODE_SETUP)
9368         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9369       else if (game_status == GAME_MODE_INFO)
9370         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9371       break;
9372
9373     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9374       if (game_status == GAME_MODE_NAMES)
9375         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9376       else if (game_status == GAME_MODE_LEVELS)
9377         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9378       else if (game_status == GAME_MODE_LEVELNR)
9379         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9380       else if (game_status == GAME_MODE_SETUP)
9381         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9382       else if (game_status == GAME_MODE_INFO)
9383         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9384       break;
9385
9386     case SCREEN_CTRL_ID_NETWORK_SERVER:
9387     {
9388       if (!strEqual(gi->textinput.value, ""))
9389       {
9390         setString(&setup.network_server_hostname, gi->textinput.value);
9391
9392         network.server_host = setup.network_server_hostname;
9393       }
9394       else
9395       {
9396         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9397
9398         network.server_host = NULL;
9399       }
9400
9401       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9402         network.server_host = NULL;
9403
9404       execSetupGame_setNetworkServerText();
9405
9406       DrawSetupScreen();
9407
9408       break;
9409     }
9410
9411     default:
9412       break;
9413   }
9414 }
9415
9416 void DumpScreenIdentifiers(void)
9417 {
9418   int i;
9419
9420   Print("Active screen elements on current screen:\n");
9421
9422   for (i = 0; main_controls[i].nr != -1; i++)
9423   {
9424     struct MainControlInfo *mci = &main_controls[i];
9425
9426     if (mci->button_graphic != -1)
9427     {
9428       char *token = getTokenFromImageID(mci->button_graphic);
9429
9430       Print("- '%s'\n", token);
9431     }
9432   }
9433
9434   Print("Done.\n");
9435 }
9436
9437 boolean DoScreenAction(int image_id)
9438 {
9439   int i;
9440
9441   if (game_status != GAME_MODE_MAIN)
9442     return FALSE;
9443
9444   for (i = 0; main_controls[i].nr != -1; i++)
9445   {
9446     struct MainControlInfo *mci = &main_controls[i];
9447     struct MenuPosInfo *pos = mci->pos_button;
9448
9449     if (mci->button_graphic == image_id)
9450     {
9451       int x = mSX + pos->x;
9452       int y = mSY + pos->y;
9453
9454       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9455
9456       return TRUE;
9457     }
9458   }
9459
9460   return FALSE;
9461 }
9462
9463 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9464 {
9465   // get tree info node of newly added level or artwork set
9466   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9467   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9468                                                       tree_subdir_new);
9469   if (tree_node_new == NULL)    // should not happen
9470     return;
9471
9472   // if request dialog is active, do nothing
9473   if (game.request_active)
9474     return;
9475
9476   if (game_status == GAME_MODE_MAIN &&
9477       tree_type == TREE_TYPE_LEVEL_DIR)
9478   {
9479     // when adding new level set in main menu, select it as current level set
9480
9481     // change current level set to newly added level set from zip file
9482     leveldir_current = tree_node_new;
9483
9484     // change current level number to first level of newly added level set
9485     level_nr = leveldir_current->first_level;
9486
9487     // redraw screen to reflect changed level set
9488     DrawMainMenu();
9489
9490     // save this level set and level number as last selected level set
9491     SaveLevelSetup_LastSeries();
9492     SaveLevelSetup_SeriesInfo();
9493   }
9494   else if (game_status == GAME_MODE_LEVELS &&
9495            tree_type == TREE_TYPE_LEVEL_DIR)
9496   {
9497     // when adding new level set in level set menu, set cursor and update screen
9498
9499     leveldir_current = tree_node_new;
9500
9501     DrawChooseTree(&leveldir_current);
9502   }
9503   else if (game_status == GAME_MODE_SETUP)
9504   {
9505     // when adding new artwork set in setup menu, set cursor and update screen
9506
9507     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9508         tree_type == TREE_TYPE_GRAPHICS_DIR)
9509     {
9510       artwork.gfx_current = tree_node_new;
9511
9512       DrawChooseTree(&artwork.gfx_current);
9513     }
9514     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9515              tree_type == TREE_TYPE_SOUNDS_DIR)
9516     {
9517       artwork.snd_current = tree_node_new;
9518
9519       DrawChooseTree(&artwork.snd_current);
9520     }
9521     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9522              tree_type == TREE_TYPE_MUSIC_DIR)
9523     {
9524       artwork.mus_current = tree_node_new;
9525
9526       DrawChooseTree(&artwork.mus_current);
9527     }
9528   }
9529 }