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 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
 129
 130 // for input setup functions
 131 #define SETUPINPUT_SCREEN_POS_START     0
 132 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 133 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 134 #define SETUPINPUT_SCREEN_POS_END       13
 135
 136 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 137 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 138
 139 #define MAX_SETUP_TEXT_INPUT_LEN        28
 140
 141 // for various menu stuff
 142 #define MENU_SCREEN_START_XPOS          1
 143 #define MENU_SCREEN_START_YPOS          2
 144 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 145 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 146 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 147 #define MENU_TITLE1_YPOS                8
 148 #define MENU_TITLE2_YPOS                46
 149 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 150 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 151 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 152 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 153 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 154 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 155 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 156 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 157 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 158 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 159 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 160                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 161                                                          MENU_INFO_FONT_TITLE))
 162 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 163 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 164 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 165                                          MENU_SCREEN_INFO_YSTART2 -     \
 166                                          TILEY / 2)
 167 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 168 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 169                                          MENU_SCREEN_INFO_YSTEP)
 170 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 171   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 172    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 173    MAX_MENU_ENTRIES_ON_SCREEN)
 174 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 175                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 176                                             NUM_INFO_ELEMENTS_FROM_CONF)
 177 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 178 #define MAX_MENU_TEXT_LENGTH_BIG        13
 179 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 180
 181 // screen gadget identifiers
 182 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 183 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 184 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 185 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 186 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 187 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 188 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 189 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 190 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 191 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 192 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 193 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 194 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 195 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 196 #define SCREEN_CTRL_ID_SCROLL_UP        14
 197 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 198 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 199 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 200
 201 #define NUM_SCREEN_GADGETS              18
 202
 203 #define NUM_SCREEN_MENUBUTTONS          14
 204 #define NUM_SCREEN_SCROLLBUTTONS        2
 205 #define NUM_SCREEN_SCROLLBARS           1
 206 #define NUM_SCREEN_TEXTINPUT            1
 207
 208 #define SCREEN_MASK_MAIN                (1 << 0)
 209 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 210 #define SCREEN_MASK_INPUT               (1 << 2)
 211 #define SCREEN_MASK_TOUCH               (1 << 3)
 212 #define SCREEN_MASK_TOUCH2              (1 << 4)
 213
 214 // graphic position and size values for buttons and scrollbars
 215 #define SC_MENUBUTTON_XSIZE             TILEX
 216 #define SC_MENUBUTTON_YSIZE             TILEY
 217
 218 #define SC_SCROLLBUTTON_XSIZE           TILEX
 219 #define SC_SCROLLBUTTON_YSIZE           TILEY
 220
 221 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 222
 223 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 224 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 225                                          SC_SCROLLBUTTON_YSIZE)
 226
 227 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 228 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 229
 230 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 231 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 232                                          SC_SCROLLBUTTON_YSIZE)
 233
 234 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 235 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 236                                          SC_SCROLL_VERTICAL_YSIZE)
 237
 238 #define SC_BORDER_SIZE                  14
 239
 240
 241 // forward declarations of internal functions
 242 static void HandleScreenGadgets(struct GadgetInfo *);
 243 static void HandleSetupScreen_Generic(int, int, int, int, int);
 244 static void HandleSetupScreen_Input(int, int, int, int, int);
 245 static void CustomizeKeyboard(int);
 246 static void ConfigureJoystick(int);
 247 static void ConfigureVirtualButtons(void);
 248 static void execSetupGame(void);
 249 static void execSetupEngines(void);
 250 static void execSetupGraphics(void);
 251 static void execSetupSound(void);
 252 static void execSetupTouch(void);
 253 static void execSetupArtwork(void);
 254 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 255
 256 static void DrawChoosePlayerName(void);
 257 static void DrawChooseLevelSet(void);
 258 static void DrawChooseLevelNr(void);
 259 static void DrawInfoScreen(void);
 260 static void DrawSetupScreen(void);
 261 static void DrawTypeName(void);
 262
 263 static void DrawInfoScreen_NotAvailable(char *, char *);
 264 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 265 static void DrawInfoScreen_HelpText(int, int, int, int);
 266 static void HandleInfoScreen_Main(int, int, int, int, int);
 267 static void HandleInfoScreen_TitleScreen(int);
 268 static void HandleInfoScreen_Elements(int);
 269 static void HandleInfoScreen_Music(int);
 270 static void HandleInfoScreen_Credits(int);
 271 static void HandleInfoScreen_Program(int);
 272 static void HandleInfoScreen_Version(int);
 273
 274 static void ModifyGameSpeedIfNeeded(void);
 275 static void DisableVsyncIfNeeded(void);
 276
 277 static void MapScreenMenuGadgets(int);
 278 static void UnmapScreenMenuGadgets(int);
 279 static void MapScreenGadgets(int);
 280 static void MapScreenTreeGadgets(TreeInfo *);
 281
 282 static void UpdateScreenMenuGadgets(int, boolean);
 283
 284 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 285
 286 static int info_mode = INFO_MODE_MAIN;
 287 static int setup_mode = SETUP_MODE_MAIN;
 288
 289 static TreeInfo *window_sizes = NULL;
 290 static TreeInfo *window_size_current = NULL;
 291
 292 static TreeInfo *scaling_types = NULL;
 293 static TreeInfo *scaling_type_current = NULL;
 294
 295 static TreeInfo *rendering_modes = NULL;
 296 static TreeInfo *rendering_mode_current = NULL;
 297
 298 static TreeInfo *vsync_modes = NULL;
 299 static TreeInfo *vsync_mode_current = NULL;
 300
 301 static TreeInfo *scroll_delays = NULL;
 302 static TreeInfo *scroll_delay_current = NULL;
 303
 304 static TreeInfo *snapshot_modes = NULL;
 305 static TreeInfo *snapshot_mode_current = NULL;
 306
 307 static TreeInfo *game_speeds_normal = NULL;
 308 static TreeInfo *game_speeds_extended = NULL;
 309 static TreeInfo *game_speeds = NULL;
 310 static TreeInfo *game_speed_current = NULL;
 311
 312 static TreeInfo *volumes_simple = NULL;
 313 static TreeInfo *volume_simple_current = NULL;
 314
 315 static TreeInfo *volumes_loops = NULL;
 316 static TreeInfo *volume_loops_current = NULL;
 317
 318 static TreeInfo *volumes_music = NULL;
 319 static TreeInfo *volume_music_current = NULL;
 320
 321 static TreeInfo *touch_controls = NULL;
 322 static TreeInfo *touch_control_current = NULL;
 323
 324 static TreeInfo *move_distances = NULL;
 325 static TreeInfo *move_distance_current = NULL;
 326
 327 static TreeInfo *drop_distances = NULL;
 328 static TreeInfo *drop_distance_current = NULL;
 329
 330 static TreeInfo *transparencies = NULL;
 331 static TreeInfo *transparency_current = NULL;
 332
 333 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 334 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 335
 336 static TreeInfo *player_name = NULL;
 337 static TreeInfo *player_name_current = NULL;
 338
 339 static TreeInfo *level_number = NULL;
 340 static TreeInfo *level_number_current = NULL;
 341
 342 static struct ValueTextInfo window_sizes_list[] =
 343 {
 344   {     50,     "50 %"                          },
 345   {     80,     "80 %"                          },
 346   {     90,     "90 %"                          },
 347   {     100,    "100 % (Default)"               },
 348   {     110,    "110 %"                         },
 349   {     120,    "120 %"                         },
 350   {     130,    "130 %"                         },
 351   {     140,    "140 %"                         },
 352   {     150,    "150 %"                         },
 353   {     200,    "200 %"                         },
 354   {     250,    "250 %"                         },
 355   {     300,    "300 %"                         },
 356
 357   {     -1,     NULL                            },
 358 };
 359
 360 static struct StringValueTextInfo scaling_types_list[] =
 361 {
 362   {     SCALING_QUALITY_NEAREST, "Off"          },
 363   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 364   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 365
 366   {     NULL,                    NULL           },
 367 };
 368
 369 static struct StringValueTextInfo rendering_modes_list[] =
 370 {
 371   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 372   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 373 #if DEBUG
 374   // this mode may work under certain conditions, but does not work on Windows
 375   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 376 #endif
 377   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 378
 379   {     NULL,                            NULL                            },
 380 };
 381
 382 static struct StringValueTextInfo vsync_modes_list[] =
 383 {
 384   {     STR_VSYNC_MODE_OFF,             "Off"           },
 385   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 386   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 387
 388   {     NULL,                            NULL           },
 389 };
 390
 391 static struct ValueTextInfo game_speeds_list_normal[] =
 392 {
 393   {     30,     "Very Slow"                     },
 394   {     25,     "Slow"                          },
 395   {     20,     "Normal"                        },
 396   {     15,     "Fast"                          },
 397   {     10,     "Very Fast"                     },
 398
 399   {     -1,     NULL                            },
 400 };
 401
 402 static struct ValueTextInfo game_speeds_list_extended[] =
 403 {
 404   {     1000,   "1 fps (Extremely Slow)"        },
 405   {     500,    "2 fps"                         },
 406   {     200,    "5 fps"                         },
 407   {     100,    "10 fps"                        },
 408   {     50,     "20 fps"                        },
 409   {     29,     "35 fps (Original Supaplex)"    },
 410   {     25,     "40 fps"                        },
 411   {     20,     "50 fps (=== Normal Speed ===)" },
 412   {     16,     "60 fps (60 Hz VSync Speed)"    },
 413   {     14,     "70 fps (Maximum Supaplex)"     },
 414   {     10,     "100 fps"                       },
 415   {     5,      "200 fps"                       },
 416   {     2,      "500 fps"                       },
 417   {     1,      "1000 fps (Extremely Fast)"     },
 418
 419   {     -1,     NULL                            },
 420 };
 421
 422 static struct ValueTextInfo *game_speeds_list;
 423
 424 static struct ValueTextInfo scroll_delays_list[] =
 425 {
 426   {     0,      "0 Tiles (No Scroll Delay)"     },
 427   {     1,      "1 Tile"                        },
 428   {     2,      "2 Tiles"                       },
 429   {     3,      "3 Tiles (Default)"             },
 430   {     4,      "4 Tiles"                       },
 431   {     5,      "5 Tiles"                       },
 432   {     6,      "6 Tiles"                       },
 433   {     7,      "7 Tiles"                       },
 434   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 435
 436   {     -1,     NULL                            },
 437 };
 438
 439 static struct StringValueTextInfo snapshot_modes_list[] =
 440 {
 441   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 442   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 443   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 444   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 445
 446   {     NULL,                                   NULL            },
 447 };
 448
 449 static struct ValueTextInfo volumes_list[] =
 450 {
 451   {     0,      "0 %"                           },
 452   {     1,      "1 %"                           },
 453   {     2,      "2 %"                           },
 454   {     5,      "5 %"                           },
 455   {     10,     "10 %"                          },
 456   {     20,     "20 %"                          },
 457   {     30,     "30 %"                          },
 458   {     40,     "40 %"                          },
 459   {     50,     "50 %"                          },
 460   {     60,     "60 %"                          },
 461   {     70,     "70 %"                          },
 462   {     80,     "80 %"                          },
 463   {     90,     "90 %"                          },
 464   {     100,    "100 %"                         },
 465
 466   {     -1,     NULL                            },
 467 };
 468
 469 static struct StringValueTextInfo touch_controls_list[] =
 470 {
 471   {     TOUCH_CONTROL_OFF,              "Off"                   },
 472   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 473   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 474   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 475
 476   {     NULL,                           NULL                    },
 477 };
 478
 479 static struct ValueTextInfo distances_list[] =
 480 {
 481   {     1,      "1 %"                           },
 482   {     2,      "2 %"                           },
 483   {     3,      "3 %"                           },
 484   {     4,      "4 %"                           },
 485   {     5,      "5 %"                           },
 486   {     10,     "10 %"                          },
 487   {     15,     "15 %"                          },
 488   {     20,     "20 %"                          },
 489   {     25,     "25 %"                          },
 490
 491   {     -1,     NULL                            },
 492 };
 493
 494 static struct ValueTextInfo transparencies_list[] =
 495 {
 496   {     0,      "0 % (Opaque)"                  },
 497   {     10,     "10 %"                          },
 498   {     20,     "20 %"                          },
 499   {     30,     "30 %"                          },
 500   {     40,     "40 %"                          },
 501   {     50,     "50 %"                          },
 502   {     60,     "60 %"                          },
 503   {     70,     "70 %"                          },
 504   {     80,     "80 %"                          },
 505   {     90,     "90 %"                          },
 506   {     100,    "100 % (Invisible)"             },
 507
 508   {     -1,     NULL                            },
 509 };
 510
 511 static struct ValueTextInfo grid_sizes_list[] =
 512 {
 513   {     3,      "3"                             },
 514   {     4,      "4"                             },
 515   {     5,      "5"                             },
 516   {     6,      "6"                             },
 517   {     7,      "7"                             },
 518   {     8,      "8"                             },
 519   {     9,      "9"                             },
 520   {     10,     "10"                            },
 521   {     11,     "11"                            },
 522   {     12,     "12"                            },
 523   {     13,     "13"                            },
 524   {     14,     "14"                            },
 525   {     15,     "15"                            },
 526   {     16,     "16"                            },
 527   {     17,     "17"                            },
 528   {     18,     "18"                            },
 529   {     19,     "19"                            },
 530   {     20,     "20"                            },
 531   {     21,     "21"                            },
 532   {     22,     "22"                            },
 533   {     23,     "23"                            },
 534   {     24,     "24"                            },
 535   {     25,     "25"                            },
 536   {     26,     "26"                            },
 537   {     27,     "27"                            },
 538   {     28,     "28"                            },
 539   {     29,     "29"                            },
 540   {     30,     "30"                            },
 541   {     31,     "31"                            },
 542   {     32,     "32"                            },
 543
 544   {     -1,     NULL                            },
 545 };
 546
 547 static int align_xoffset = 0;
 548 static int align_yoffset = 0;
 549
 550 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 551                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 552                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 553                                  GAME_MODE_MAIN :                       \
 554                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 555                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 556
 557 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 558 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 559                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 560                                  INFO_MODE_MAIN)
 561
 562 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 563                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 564                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 565                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 566                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 567                                  SETUP_MODE_CHOOSE_OTHER)
 568
 569 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 570                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 571                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 572 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 573                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 574                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 575 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 576                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 577                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 578
 579 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 580                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 581                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 582 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 583                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 584                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 585 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 586                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 587                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 588
 589 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 590                                  DRAW_XOFFSET_INFO(info_mode) :         \
 591                                  (s) == GAME_MODE_SETUP ?               \
 592                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 593                                  menu.draw_xoffset[DRAW_MODE(s)])
 594 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 595                                  DRAW_YOFFSET_INFO(info_mode) :         \
 596                                  (s) == GAME_MODE_SETUP ?               \
 597                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 598                                  menu.draw_yoffset[DRAW_MODE(s)])
 599 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 600                                  EXTRA_SPACING_INFO(info_mode) :        \
 601                                  (s) == GAME_MODE_SETUP ?               \
 602                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 603                                  menu.extra_spacing[DRAW_MODE(s)])
 604
 605 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 606 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 607
 608 #define amSX                    (mSX + align_xoffset)
 609 #define amSY                    (mSY + align_yoffset)
 610
 611 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 612                                     menu.list_size[game_status] :       \
 613                                     MAX_MENU_ENTRIES_ON_SCREEN)
 614
 615 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 616                                          NUM_MENU_ENTRIES_ON_SCREEN)
 617
 618
 619 // title display and control definitions
 620
 621 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 622                                  2 * MAX_NUM_TITLE_MESSAGES)
 623
 624 #define NO_DIRECT_LEVEL_SELECT  (-1)
 625
 626
 627 static int num_title_screens = 0;
 628
 629 struct TitleControlInfo
 630 {
 631   boolean is_image;
 632   boolean initial;
 633   boolean first;
 634   int local_nr;
 635   int sort_priority;
 636 };
 637
 638 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 639
 640 // main menu display and control definitions
 641
 642 #define MAIN_CONTROL_NAME                       0
 643 #define MAIN_CONTROL_LEVELS                     1
 644 #define MAIN_CONTROL_SCORES                     2
 645 #define MAIN_CONTROL_EDITOR                     3
 646 #define MAIN_CONTROL_INFO                       4
 647 #define MAIN_CONTROL_GAME                       5
 648 #define MAIN_CONTROL_SETUP                      6
 649 #define MAIN_CONTROL_QUIT                       7
 650 #define MAIN_CONTROL_PREV_LEVEL                 8
 651 #define MAIN_CONTROL_NEXT_LEVEL                 9
 652 #define MAIN_CONTROL_FIRST_LEVEL                10
 653 #define MAIN_CONTROL_LAST_LEVEL                 11
 654 #define MAIN_CONTROL_LEVEL_NUMBER               12
 655 #define MAIN_CONTROL_LEVEL_INFO_1               13
 656 #define MAIN_CONTROL_LEVEL_INFO_2               14
 657 #define MAIN_CONTROL_LEVEL_NAME                 15
 658 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 659 #define MAIN_CONTROL_LEVEL_YEAR                 17
 660 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 661 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 662 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 663 #define MAIN_CONTROL_TITLE_1                    21
 664 #define MAIN_CONTROL_TITLE_2                    22
 665 #define MAIN_CONTROL_TITLE_3                    23
 666
 667 static char str_main_text_name[10];
 668 static char str_main_text_first_level[10];
 669 static char str_main_text_last_level[10];
 670 static char str_main_text_level_number[10];
 671
 672 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 673
 674 static char *main_text_name                     = str_main_text_name;
 675 static char *main_text_first_level              = str_main_text_first_level;
 676 static char *main_text_last_level               = str_main_text_last_level;
 677 static char *main_text_level_number             = str_main_text_level_number;
 678 static char *main_text_levels                   = "Levelset";
 679 static char *main_text_scores                   = "Hall Of Fame";
 680 static char *main_text_editor                   = "Level Creator";
 681 static char *main_text_info                     = "Info Screen";
 682 static char *main_text_game                     = "Start Game";
 683 static char *main_text_setup                    = "Setup";
 684 static char *main_text_quit                     = "Quit";
 685 static char *main_text_level_name               = level.name;
 686 static char *main_text_level_author             = level.author;
 687 static char *main_text_level_year               = NULL;
 688 static char *main_text_level_imported_from      = NULL;
 689 static char *main_text_level_imported_by        = NULL;
 690 static char *main_text_level_tested_by          = NULL;
 691 static char *main_text_title_1                  = NULL;
 692 static char *main_text_title_2                  = NULL;
 693 static char *main_text_title_3                  = NULL;
 694
 695 extern char debug_xsn_mode[];
 696
 697 struct MainControlInfo
 698 {
 699   int nr;
 700
 701   struct MenuPosInfo *pos_button;
 702   int button_graphic;
 703
 704   struct TextPosInfo *pos_text;
 705   char **text;
 706
 707   struct TextPosInfo *pos_input;
 708   char **input;
 709 };
 710
 711 static struct MainControlInfo main_controls[] =
 712 {
 713   {
 714     MAIN_CONTROL_NAME,
 715     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 716     &menu.main.text.name,               &main_text_name,
 717     &menu.main.input.name,              &setup.player_name,
 718   },
 719   {
 720     MAIN_CONTROL_LEVELS,
 721     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 722     &menu.main.text.levels,             &main_text_levels,
 723     NULL,                               NULL,
 724   },
 725   {
 726     MAIN_CONTROL_SCORES,
 727     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 728     &menu.main.text.scores,             &main_text_scores,
 729     NULL,                               NULL,
 730   },
 731   {
 732     MAIN_CONTROL_EDITOR,
 733     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 734     &menu.main.text.editor,             &main_text_editor,
 735     NULL,                               NULL,
 736   },
 737   {
 738     MAIN_CONTROL_INFO,
 739     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 740     &menu.main.text.info,               &main_text_info,
 741     NULL,                               NULL,
 742   },
 743   {
 744     MAIN_CONTROL_GAME,
 745     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 746     &menu.main.text.game,               &main_text_game,
 747     NULL,                               NULL,
 748   },
 749   {
 750     MAIN_CONTROL_SETUP,
 751     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 752     &menu.main.text.setup,              &main_text_setup,
 753     NULL,                               NULL,
 754   },
 755   {
 756     MAIN_CONTROL_QUIT,
 757     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 758     &menu.main.text.quit,               &main_text_quit,
 759     NULL,                               NULL,
 760   },
 761   {
 762     MAIN_CONTROL_PREV_LEVEL,
 763     NULL,                               -1,
 764     NULL,                               NULL,
 765     NULL,                               NULL,
 766   },
 767   {
 768     MAIN_CONTROL_NEXT_LEVEL,
 769     NULL,                               -1,
 770     NULL,                               NULL,
 771     NULL,                               NULL,
 772   },
 773   {
 774     MAIN_CONTROL_FIRST_LEVEL,
 775     NULL,                               -1,
 776     &menu.main.text.first_level,        &main_text_first_level,
 777     NULL,                               NULL,
 778   },
 779   {
 780     MAIN_CONTROL_LAST_LEVEL,
 781     NULL,                               -1,
 782     &menu.main.text.last_level,         &main_text_last_level,
 783     NULL,                               NULL,
 784   },
 785   {
 786     MAIN_CONTROL_LEVEL_NUMBER,
 787     NULL,                               -1,
 788     &menu.main.text.level_number,       &main_text_level_number,
 789     NULL,                               NULL,
 790   },
 791   {
 792     MAIN_CONTROL_LEVEL_INFO_1,
 793     NULL,                               -1,
 794     &menu.main.text.level_info_1,       NULL,
 795     NULL,                               NULL,
 796   },
 797   {
 798     MAIN_CONTROL_LEVEL_INFO_2,
 799     NULL,                               -1,
 800     &menu.main.text.level_info_2,       NULL,
 801     NULL,                               NULL,
 802   },
 803   {
 804     MAIN_CONTROL_LEVEL_NAME,
 805     NULL,                               -1,
 806     &menu.main.text.level_name,         &main_text_level_name,
 807     NULL,                               NULL,
 808   },
 809   {
 810     MAIN_CONTROL_LEVEL_AUTHOR,
 811     NULL,                               -1,
 812     &menu.main.text.level_author,       &main_text_level_author,
 813     NULL,                               NULL,
 814   },
 815   {
 816     MAIN_CONTROL_LEVEL_YEAR,
 817     NULL,                               -1,
 818     &menu.main.text.level_year,         &main_text_level_year,
 819     NULL,                               NULL,
 820   },
 821   {
 822     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 823     NULL,                               -1,
 824     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 825     NULL,                               NULL,
 826   },
 827   {
 828     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 829     NULL,                               -1,
 830     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 831     NULL,                               NULL,
 832   },
 833   {
 834     MAIN_CONTROL_LEVEL_TESTED_BY,
 835     NULL,                               -1,
 836     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 837     NULL,                               NULL,
 838   },
 839   {
 840     MAIN_CONTROL_TITLE_1,
 841     NULL,                               -1,
 842     &menu.main.text.title_1,            &main_text_title_1,
 843     NULL,                               NULL,
 844   },
 845   {
 846     MAIN_CONTROL_TITLE_2,
 847     NULL,                               -1,
 848     &menu.main.text.title_2,            &main_text_title_2,
 849     NULL,                               NULL,
 850   },
 851   {
 852     MAIN_CONTROL_TITLE_3,
 853     NULL,                               -1,
 854     &menu.main.text.title_3,            &main_text_title_3,
 855     NULL,                               NULL,
 856   },
 857
 858   {
 859     -1,
 860     NULL,                               -1,
 861     NULL,                               NULL,
 862     NULL,                               NULL,
 863   }
 864 };
 865
 866
 867 static int getTitleScreenGraphic(int nr, boolean initial)
 868 {
 869   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 870 }
 871
 872 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 873 {
 874   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 875 }
 876
 877 #if 0
 878 static int getTitleScreenGameMode(boolean initial)
 879 {
 880   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 881 }
 882 #endif
 883
 884 static int getTitleMessageGameMode(boolean initial)
 885 {
 886   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 887 }
 888
 889 static int getTitleAnimMode(struct TitleControlInfo *tci)
 890 {
 891   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 892
 893   return base + tci->local_nr;
 894 }
 895
 896 #if 0
 897 static int getTitleScreenBackground(boolean initial)
 898 {
 899   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 900 }
 901 #endif
 902
 903 #if 0
 904 static int getTitleMessageBackground(int nr, boolean initial)
 905 {
 906   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 907 }
 908 #endif
 909
 910 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 911 {
 912   int base = (is_image ?
 913               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 914                          IMG_BACKGROUND_TITLESCREEN_1) :
 915               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 916                          IMG_BACKGROUND_TITLEMESSAGE_1));
 917   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 918                                   IMG_BACKGROUND_TITLE);
 919   int graphic_local = base + nr;
 920
 921   if (graphic_info[graphic_local].bitmap != NULL)
 922     return graphic_local;
 923
 924   if (graphic_info[graphic_global].bitmap != NULL)
 925     return graphic_global;
 926
 927   return IMG_UNDEFINED;
 928 }
 929
 930 static int getTitleSound(struct TitleControlInfo *tci)
 931 {
 932   boolean is_image = tci->is_image;
 933   int initial = tci->initial;
 934   int nr = tci->local_nr;
 935   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 936   int base = (is_image ?
 937               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 938                          SND_BACKGROUND_TITLESCREEN_1) :
 939               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 940                          SND_BACKGROUND_TITLEMESSAGE_1));
 941   int sound_global = menu.sound[mode];
 942   int sound_local = base + nr;
 943
 944 #if 0
 945   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 946         nr, initial, is_image,
 947         sound_global, getSoundListEntry(sound_global)->filename,
 948         sound_local, getSoundListEntry(sound_local)->filename);
 949 #endif
 950
 951   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 952     return sound_local;
 953
 954   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 955     return sound_global;
 956
 957   return SND_UNDEFINED;
 958 }
 959
 960 static int getTitleMusic(struct TitleControlInfo *tci)
 961 {
 962   boolean is_image = tci->is_image;
 963   int initial = tci->initial;
 964   int nr = tci->local_nr;
 965   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 966   int base = (is_image ?
 967               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 968                          MUS_BACKGROUND_TITLESCREEN_1) :
 969               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 970                          MUS_BACKGROUND_TITLEMESSAGE_1));
 971   int music_global = menu.music[mode];
 972   int music_local = base + nr;
 973
 974 #if 0
 975   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 976         nr, initial, is_image,
 977         music_global, getMusicListEntry(music_global)->filename,
 978         music_local, getMusicListEntry(music_local)->filename);
 979 #endif
 980
 981   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 982     return music_local;
 983
 984   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 985     return music_global;
 986
 987   return MUS_UNDEFINED;
 988 }
 989
 990 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 991 {
 992   boolean is_image = tci->is_image;
 993   boolean initial = tci->initial;
 994   boolean first = tci->first;
 995   int nr = tci->local_nr;
 996   struct TitleMessageInfo tmi;
 997   struct TitleFadingInfo ti;
 998
 999   tmi = (is_image ? (initial ? (first ?
1000                                 titlescreen_initial_first[nr] :
1001                                 titlescreen_initial[nr])
1002                              : (first ?
1003                                 titlescreen_first[nr] :
1004                                 titlescreen[nr]))
1005                   : (initial ? (first ?
1006                                 titlemessage_initial_first[nr] :
1007                                 titlemessage_initial[nr])
1008                              : (first ?
1009                                 titlemessage_first[nr] :
1010                                 titlemessage[nr])));
1011
1012   ti.fade_mode  = tmi.fade_mode;
1013   ti.fade_delay = tmi.fade_delay;
1014   ti.post_delay = tmi.post_delay;
1015   ti.auto_delay = tmi.auto_delay;
1016   ti.auto_delay_unit = tmi.auto_delay_unit;
1017
1018   return ti;
1019 }
1020
1021 static int compareTitleControlInfo(const void *object1, const void *object2)
1022 {
1023   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1024   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1025   int compare_result;
1026
1027   if (tci1->initial != tci2->initial)
1028     compare_result = (tci1->initial ? -1 : +1);
1029   else if (tci1->sort_priority != tci2->sort_priority)
1030     compare_result = tci1->sort_priority - tci2->sort_priority;
1031   else if (tci1->is_image != tci2->is_image)
1032     compare_result = (tci1->is_image ? -1 : +1);
1033   else
1034     compare_result = tci1->local_nr - tci2->local_nr;
1035
1036   return compare_result;
1037 }
1038
1039 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1040                                                     boolean initial,
1041                                                     int nr, int sort_priority)
1042 {
1043   title_controls[num_title_screens].is_image = is_image;
1044   title_controls[num_title_screens].initial = initial;
1045   title_controls[num_title_screens].local_nr = nr;
1046   title_controls[num_title_screens].sort_priority = sort_priority;
1047
1048   title_controls[num_title_screens].first = FALSE;      // will be set later
1049
1050   num_title_screens++;
1051 }
1052
1053 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1054 {
1055   int i;
1056
1057   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1058   {
1059     int graphic = getTitleScreenGraphic(i, initial);
1060     Bitmap *bitmap = graphic_info[graphic].bitmap;
1061     int sort_priority = graphic_info[graphic].sort_priority;
1062
1063     if (bitmap != NULL)
1064       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1065   }
1066
1067   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1068   {
1069     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1070     char *filename = getLevelSetTitleMessageFilename(i, initial);
1071     int sort_priority = tmi->sort_priority;
1072
1073     if (filename != NULL)
1074       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1075   }
1076 }
1077
1078 static void InitializeTitleControls(boolean show_title_initial)
1079 {
1080   num_title_screens = 0;
1081
1082   // 1st step: initialize title screens for game start (only when starting)
1083   if (show_title_initial)
1084     InitializeTitleControls_CheckTitleInfo(TRUE);
1085
1086   // 2nd step: initialize title screens for current level set
1087   InitializeTitleControls_CheckTitleInfo(FALSE);
1088
1089   // sort title screens according to sort_priority and title number
1090   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1091         compareTitleControlInfo);
1092
1093   // mark first title screen
1094   title_controls[0].first = TRUE;
1095 }
1096
1097 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1098 {
1099   return (pos != NULL && pos->x != -1 && pos->y != -1);
1100 }
1101
1102 static boolean visibleTextPos(struct TextPosInfo *pos)
1103 {
1104   return (pos != NULL && pos->x != -1 && pos->y != -1);
1105 }
1106
1107 static void InitializeMainControls(void)
1108 {
1109   boolean local_team_mode = (!network.enabled && setup.team_mode);
1110   int i;
1111
1112   // set main control text values to dynamically determined values
1113   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1114
1115   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1116                                          menu.main.text.first_level.size));
1117   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1118                                          menu.main.text.last_level.size));
1119   strcpy(main_text_level_number, int2str(level_nr,
1120                                          menu.main.text.level_number.size));
1121
1122   main_text_level_year          = leveldir_current->year;
1123   main_text_level_imported_from = leveldir_current->imported_from;
1124   main_text_level_imported_by   = leveldir_current->imported_by;
1125   main_text_level_tested_by     = leveldir_current->tested_by;
1126
1127   main_text_title_1 = getConfigProgramTitleString();
1128   main_text_title_2 = getConfigProgramCopyrightString();
1129   main_text_title_3 = getConfigProgramCompanyString();
1130
1131   // set main control screen positions to dynamically determined values
1132   for (i = 0; main_controls[i].nr != -1; i++)
1133   {
1134     struct MainControlInfo *mci = &main_controls[i];
1135     int nr                         = mci->nr;
1136     struct MenuPosInfo *pos_button = mci->pos_button;
1137     struct TextPosInfo *pos_text   = mci->pos_text;
1138     struct TextPosInfo *pos_input  = mci->pos_input;
1139     char *text                     = (mci->text  ? *mci->text  : NULL);
1140     char *input                    = (mci->input ? *mci->input : NULL);
1141     int button_graphic             = mci->button_graphic;
1142     int font_text                  = (pos_text  ? pos_text->font  : -1);
1143     int font_input                 = (pos_input ? pos_input->font : -1);
1144
1145     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1146     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1147     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1148     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1149     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1150     int input_chars = (input != NULL ? strlen(input) : 0);
1151
1152     int button_width =
1153       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1154     int button_height =
1155       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1156     int text_width   = font_text_width * text_chars;
1157     int text_height  = font_text_height;
1158     int input_width  = font_input_width * input_chars;
1159     int input_height = font_input_height;
1160
1161     if (nr == MAIN_CONTROL_NAME)
1162     {
1163       menu.main.input.name.width  = input_width;
1164       menu.main.input.name.height = input_height;
1165     }
1166
1167     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1168     {
1169       pos_button->width  = button_width;
1170       pos_button->height = button_height;
1171     }
1172
1173     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1174     {
1175       // calculate text size -- needed for text alignment
1176       boolean calculate_text_size = (text != NULL);
1177
1178       if (pos_text->width == -1 || calculate_text_size)
1179         pos_text->width = text_width;
1180       if (pos_text->height == -1 || calculate_text_size)
1181         pos_text->height = text_height;
1182
1183       if (visibleMenuPos(pos_button))
1184       {
1185         if (pos_text->x == -1)
1186           pos_text->x = pos_button->x + pos_button->width;
1187         if (pos_text->y == -1)
1188           pos_text->y =
1189             pos_button->y + (pos_button->height - pos_text->height) / 2;
1190       }
1191     }
1192
1193     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1194     {
1195       if (visibleTextPos(pos_text))
1196       {
1197         if (pos_input->x == -1)
1198           pos_input->x = pos_text->x + pos_text->width;
1199         if (pos_input->y == -1)
1200           pos_input->y = pos_text->y;
1201       }
1202
1203       if (pos_input->width == -1)
1204         pos_input->width = input_width;
1205       if (pos_input->height == -1)
1206         pos_input->height = input_height;
1207     }
1208   }
1209 }
1210
1211 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1212                                        int graphic, boolean pressed)
1213 {
1214   struct GraphicInfo *g = &graphic_info[graphic];
1215   Bitmap *src_bitmap;
1216   int src_x, src_y;
1217   int xoffset = (pressed ? g->pressed_xoffset : 0);
1218   int yoffset = (pressed ? g->pressed_yoffset : 0);
1219
1220   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1221
1222   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1223                    g->width, g->height, dst_x, dst_y);
1224 }
1225
1226 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1227                                        boolean active_input,
1228                                        boolean pressed_button)
1229 {
1230   int i;
1231
1232   for (i = 0; main_controls[i].nr != -1; i++)
1233   {
1234     struct MainControlInfo *mci = &main_controls[i];
1235
1236     if (mci->nr == nr || nr == -1)
1237     {
1238       struct MenuPosInfo *pos_button = mci->pos_button;
1239       struct TextPosInfo *pos_text   = mci->pos_text;
1240       struct TextPosInfo *pos_input  = mci->pos_input;
1241       char *text                     = (mci->text  ? *mci->text  : NULL);
1242       char *input                    = (mci->input ? *mci->input : NULL);
1243       int button_graphic             = mci->button_graphic;
1244       int font_text                  = (pos_text  ? pos_text->font  : -1);
1245       int font_input                 = (pos_input ? pos_input->font : -1);
1246
1247       if (active_text)
1248       {
1249         button_graphic = BUTTON_ACTIVE(button_graphic);
1250         font_text = FONT_ACTIVE(font_text);
1251       }
1252
1253       if (active_input)
1254       {
1255         font_input = FONT_ACTIVE(font_input);
1256       }
1257
1258       if (visibleMenuPos(pos_button))
1259       {
1260         struct MenuPosInfo *pos = pos_button;
1261         int x = mSX + pos->x;
1262         int y = mSY + pos->y;
1263
1264         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1265         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1266       }
1267
1268       if (visibleTextPos(pos_text) && text != NULL)
1269       {
1270         struct TextPosInfo *pos = pos_text;
1271         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1272         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1273
1274 #if 1
1275         // (check why/if this is needed)
1276         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1277 #endif
1278         DrawText(x, y, text, font_text);
1279       }
1280
1281       if (visibleTextPos(pos_input) && input != NULL)
1282       {
1283         struct TextPosInfo *pos = pos_input;
1284         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1285         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1286
1287 #if 1
1288         // (check why/if this is needed)
1289         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1290 #endif
1291         DrawText(x, y, input, font_input);
1292       }
1293     }
1294   }
1295 }
1296
1297 static void DrawCursorAndText_Main(int nr, boolean active_text,
1298                                    boolean pressed_button)
1299 {
1300   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1301 }
1302
1303 #if 0
1304 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1305                                          boolean pressed_button)
1306 {
1307   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1308 }
1309 #endif
1310
1311 static struct MainControlInfo *getMainControlInfo(int nr)
1312 {
1313   int i;
1314
1315   for (i = 0; main_controls[i].nr != -1; i++)
1316     if (main_controls[i].nr == nr)
1317       return &main_controls[i];
1318
1319   return NULL;
1320 }
1321
1322 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1323 {
1324   if (rect == NULL)
1325     return FALSE;
1326
1327   int rect_x = ALIGNED_TEXT_XPOS(rect);
1328   int rect_y = ALIGNED_TEXT_YPOS(rect);
1329
1330   return (x >= rect_x && x < rect_x + rect->width &&
1331           y >= rect_y && y < rect_y + rect->height);
1332 }
1333
1334 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1335 {
1336   if (rect == NULL)
1337     return FALSE;
1338
1339   int rect_x = ALIGNED_TEXT_XPOS(rect);
1340   int rect_y = ALIGNED_TEXT_YPOS(rect);
1341
1342 #if 0
1343   Debug("screens:insideTextPosRect",
1344         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1345         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1346         (x >= rect_x && x < rect_x + rect->width &&
1347          y >= rect_y && y < rect_y + rect->height));
1348 #endif
1349
1350   return (x >= rect_x && x < rect_x + rect->width &&
1351           y >= rect_y && y < rect_y + rect->height);
1352 }
1353
1354 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1355 {
1356   int rect_width  = preview->xsize * preview->tile_size;
1357   int rect_height = preview->ysize * preview->tile_size;
1358   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1359   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1360
1361   return (x >= rect_x && x < rect_x + rect_width &&
1362           y >= rect_y && y < rect_y + rect_height);
1363 }
1364
1365 static void AdjustScrollbar(int id, int items_max, int items_visible,
1366                             int item_position)
1367 {
1368   struct GadgetInfo *gi = screen_gadget[id];
1369
1370   if (item_position > items_max - items_visible)
1371     item_position = items_max - items_visible;
1372
1373   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1374                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1375                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1376 }
1377
1378 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1379 {
1380   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1381                   first_entry);
1382 }
1383
1384 static void clearMenuListArea(void)
1385 {
1386   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1387
1388   // correct scrollbar position if placed outside menu (playfield) area
1389   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1390     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1391
1392   // clear menu list area, but not title or scrollbar
1393   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1394                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1395 }
1396
1397 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1398 {
1399   static int cursor_array[MAX_LEV_FIELDY];
1400   int x = amSX + TILEX * xpos;
1401   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1402
1403   if (xpos == 0)
1404   {
1405     if (graphic != -1)
1406       cursor_array[ypos] = graphic;
1407     else
1408       graphic = cursor_array[ypos];
1409   }
1410
1411   if (active)
1412     graphic = BUTTON_ACTIVE(graphic);
1413
1414   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1415   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1416 }
1417
1418 static void initCursor(int ypos, int graphic)
1419 {
1420   drawCursorExt(0, ypos, FALSE, graphic);
1421 }
1422
1423 static void drawCursor(int ypos, boolean active)
1424 {
1425   drawCursorExt(0, ypos, active, -1);
1426 }
1427
1428 static void drawCursorXY(int xpos, int ypos, int graphic)
1429 {
1430   drawCursorExt(xpos, ypos, FALSE, graphic);
1431 }
1432
1433 static void drawChooseTreeCursor(int ypos, boolean active)
1434 {
1435   drawCursorExt(0, ypos, active, -1);
1436 }
1437
1438 static int getChooseTreeEditFont(boolean active)
1439 {
1440   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1441 }
1442
1443 static int getChooseTreeEditXPos(int pos)
1444 {
1445   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1446   int xoffset = (has_scrollbar ? -1 : 0);
1447   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1448   int sx = amSX + xpos * TILEX;
1449   int font_nr = getChooseTreeEditFont(FALSE);
1450   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1451
1452   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1453 }
1454
1455 static int getChooseTreeEditYPos(int ypos_raw)
1456 {
1457   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1458   int sy = amSY + ypos * TILEY;
1459
1460   return sy;
1461 }
1462
1463 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1464 {
1465   int sx = getChooseTreeEditXPos(POS_LEFT);
1466   int sy = getChooseTreeEditYPos(ypos_raw);
1467   int font_nr = getChooseTreeEditFont(active);
1468
1469   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1470 }
1471
1472 static void DrawHeadline(void)
1473 {
1474   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1475   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1476 }
1477
1478 static void DrawTitleScreenImage(int nr, boolean initial)
1479 {
1480   int graphic = getTitleScreenGraphic(nr, initial);
1481   Bitmap *bitmap = graphic_info[graphic].bitmap;
1482   int width  = graphic_info[graphic].width;
1483   int height = graphic_info[graphic].height;
1484   int src_x = graphic_info[graphic].src_x;
1485   int src_y = graphic_info[graphic].src_y;
1486   int dst_x, dst_y;
1487
1488   if (bitmap == NULL)
1489     return;
1490
1491   if (width > WIN_XSIZE)
1492   {
1493     // image width too large for window => center image horizontally
1494     src_x = (width - WIN_XSIZE) / 2;
1495     width = WIN_XSIZE;
1496   }
1497
1498   if (height > WIN_YSIZE)
1499   {
1500     // image height too large for window => center image vertically
1501     src_y = (height - WIN_YSIZE) / 2;
1502     height = WIN_YSIZE;
1503   }
1504
1505   // always display title screens centered
1506   dst_x = (WIN_XSIZE - width) / 2;
1507   dst_y = (WIN_YSIZE - height) / 2;
1508
1509   SetDrawBackgroundMask(REDRAW_ALL);
1510   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1511
1512   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1513
1514   if (DrawingOnBackground(dst_x, dst_y))
1515     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1516   else
1517     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1518
1519   redraw_mask = REDRAW_ALL;
1520 }
1521
1522 static void DrawTitleScreenMessage(int nr, boolean initial)
1523 {
1524   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1525   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1526
1527   if (filename == NULL)
1528     return;
1529
1530   // force TITLE font on title message screen
1531   SetFontStatus(getTitleMessageGameMode(initial));
1532
1533   // if chars *and* width set to "-1", automatically determine width
1534   if (tmi->chars == -1 && tmi->width == -1)
1535     tmi->width = viewport.window[game_status].width;
1536
1537   // if lines *and* height set to "-1", automatically determine height
1538   if (tmi->lines == -1 && tmi->height == -1)
1539     tmi->height = viewport.window[game_status].height;
1540
1541   // if chars set to "-1", automatically determine by text and font width
1542   if (tmi->chars == -1)
1543     tmi->chars = tmi->width / getFontWidth(tmi->font);
1544   else
1545     tmi->width = tmi->chars * getFontWidth(tmi->font);
1546
1547   // if lines set to "-1", automatically determine by text and font height
1548   if (tmi->lines == -1)
1549     tmi->lines = tmi->height / getFontHeight(tmi->font);
1550   else
1551     tmi->height = tmi->lines * getFontHeight(tmi->font);
1552
1553   // if x set to "-1", automatically determine by width and alignment
1554   if (tmi->x == -1)
1555     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1556
1557   // if y set to "-1", automatically determine by height and alignment
1558   if (tmi->y == -1)
1559     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1560
1561   SetDrawBackgroundMask(REDRAW_ALL);
1562   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1563
1564   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1565
1566   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1567                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1568                tmi->autowrap, tmi->centered, tmi->parse_comments);
1569
1570   ResetFontStatus();
1571 }
1572
1573 static void DrawTitleScreen(void)
1574 {
1575   KeyboardAutoRepeatOff();
1576
1577   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1578 }
1579
1580 static boolean CheckTitleScreen(boolean levelset_has_changed)
1581 {
1582   static boolean show_title_initial = TRUE;
1583   boolean show_titlescreen = FALSE;
1584
1585   // needed to be able to skip title screen, if no image or message defined
1586   InitializeTitleControls(show_title_initial);
1587
1588   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1589     show_titlescreen = TRUE;
1590
1591   // show initial title images and messages only once at program start
1592   show_title_initial = FALSE;
1593
1594   return (show_titlescreen && num_title_screens > 0);
1595 }
1596
1597 void DrawMainMenu(void)
1598 {
1599   static LevelDirTree *leveldir_last_valid = NULL;
1600   boolean levelset_has_changed = FALSE;
1601   int fade_mask = REDRAW_FIELD;
1602
1603   LimitScreenUpdates(FALSE);
1604
1605   FadeSetLeaveScreen();
1606
1607   // do not fade out here -- function may continue and fade on editor screen
1608
1609   UnmapAllGadgets();
1610   FadeMenuSoundsAndMusic();
1611
1612   ExpireSoundLoops(FALSE);
1613
1614   KeyboardAutoRepeatOn();
1615
1616   audio.sound_deactivated = FALSE;
1617
1618   GetPlayerConfig();
1619
1620   // needed if last screen was the playing screen, invoked from level editor
1621   if (level_editor_test_game)
1622   {
1623     CloseDoor(DOOR_CLOSE_ALL);
1624
1625     SetGameStatus(GAME_MODE_EDITOR);
1626
1627     DrawLevelEd();
1628
1629     return;
1630   }
1631
1632   // leveldir_current may be invalid (level group, parent link)
1633   if (!validLevelSeries(leveldir_current))
1634     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1635
1636   if (leveldir_current != leveldir_last_valid)
1637     levelset_has_changed = TRUE;
1638
1639   // store valid level series information
1640   leveldir_last_valid = leveldir_current;
1641
1642   init_last = init;                     // switch to new busy animation
1643
1644   // needed if last screen (level choice) changed graphics, sounds or music
1645   ReloadCustomArtwork(0);
1646
1647   if (CheckTitleScreen(levelset_has_changed))
1648   {
1649     SetGameStatus(GAME_MODE_TITLE);
1650
1651     DrawTitleScreen();
1652
1653     return;
1654   }
1655
1656   if (redraw_mask & REDRAW_ALL)
1657     fade_mask = REDRAW_ALL;
1658
1659   if (CheckFadeAll())
1660     fade_mask = REDRAW_ALL;
1661
1662   FadeOut(fade_mask);
1663
1664   // needed if different viewport properties defined for menues
1665   ChangeViewportPropertiesIfNeeded();
1666
1667   SetDrawtoField(DRAW_TO_BACKBUFFER);
1668
1669   // level_nr may have been set to value over handicap with level editor
1670   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1671     level_nr = leveldir_current->handicap_level;
1672
1673   LoadLevel(level_nr);
1674   LoadScore(level_nr);
1675
1676   SaveLevelSetup_SeriesInfo();
1677
1678   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1679   SetDrawDeactivationMask(REDRAW_NONE);
1680   SetDrawBackgroundMask(REDRAW_FIELD);
1681
1682   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1683
1684 #if 0
1685   if (fade_mask == REDRAW_ALL)
1686     RedrawGlobalBorder();
1687 #endif
1688
1689   ClearField();
1690
1691   InitializeMainControls();
1692
1693   DrawCursorAndText_Main(-1, FALSE, FALSE);
1694   DrawPreviewLevelInitial();
1695   DrawNetworkPlayers();
1696
1697   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1698
1699   TapeStop();
1700   if (TAPE_IS_EMPTY(tape))
1701     LoadTape(level_nr);
1702   DrawCompleteVideoDisplay();
1703
1704   PlayMenuSoundsAndMusic();
1705
1706   // create gadgets for main menu screen
1707   FreeScreenGadgets();
1708   CreateScreenGadgets();
1709
1710   // may be required if audio buttons shown on tape and changed in setup menu
1711   FreeGameButtons();
1712   CreateGameButtons();
1713
1714   // map gadgets for main menu screen
1715   MapTapeButtons();
1716   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1717   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1718
1719   // copy actual game door content to door double buffer for OpenDoor()
1720   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1721   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1722
1723   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1724
1725   DrawMaskedBorder(fade_mask);
1726
1727   FadeIn(fade_mask);
1728   FadeSetEnterMenu();
1729
1730   // update screen area with special editor door
1731   redraw_mask |= REDRAW_ALL;
1732   BackToFront();
1733
1734   SetMouseCursor(CURSOR_DEFAULT);
1735
1736   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1737 }
1738
1739 static void gotoTopLevelDir(void)
1740 {
1741   // move upwards until inside (but not above) top level directory
1742   while (leveldir_current->node_parent &&
1743          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1744   {
1745     // write a "path" into level tree for easy navigation to last level
1746     if (leveldir_current->node_parent->node_group->cl_first == -1)
1747     {
1748       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1749       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1750       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1751       int cl_first, cl_cursor;
1752
1753       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1754       cl_cursor = leveldir_pos - cl_first;
1755
1756       leveldir_current->node_parent->node_group->cl_first = cl_first;
1757       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1758     }
1759
1760     leveldir_current = leveldir_current->node_parent;
1761   }
1762 }
1763
1764 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1765 {
1766   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1767
1768   return (use_frame_counter ? video.frame_counter : Counter());
1769 }
1770
1771 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1772                                      struct TitleFadingInfo *fi)
1773 {
1774   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1775 }
1776
1777 static void ResetTitleAutoDelay(unsigned int *counter_var,
1778                                 struct TitleFadingInfo *fi)
1779 {
1780   *counter_var = getAutoDelayCounter(fi);
1781 }
1782
1783 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1784 {
1785   static unsigned int title_delay = 0;
1786   static int title_screen_nr = 0;
1787   static int last_sound = -1, last_music = -1;
1788   boolean return_to_main_menu = FALSE;
1789   struct TitleControlInfo *tci;
1790   int sound, music;
1791
1792   if (button == MB_MENU_INITIALIZE)
1793   {
1794     title_delay = 0;
1795     title_screen_nr = 0;
1796     tci = &title_controls[title_screen_nr];
1797
1798     SetAnimStatus(getTitleAnimMode(tci));
1799
1800     last_sound = SND_UNDEFINED;
1801     last_music = MUS_UNDEFINED;
1802
1803     if (num_title_screens != 0)
1804     {
1805       FadeSetEnterScreen();
1806
1807       // use individual title fading instead of global "enter screen" fading
1808       fading = getTitleFading(tci);
1809     }
1810
1811     if (game_status_last_screen == GAME_MODE_INFO)
1812     {
1813       if (num_title_screens == 0)
1814       {
1815         // switch game mode from title screen mode back to info screen mode
1816         SetGameStatus(GAME_MODE_INFO);
1817
1818         // store that last screen was info screen, not main menu screen
1819         game_status_last_screen = GAME_MODE_INFO;
1820
1821         DrawInfoScreen_NotAvailable("Title screen information:",
1822                                     "No title screen for this level set.");
1823         return;
1824       }
1825     }
1826
1827     FadeMenuSoundsAndMusic();
1828
1829     FadeOut(REDRAW_ALL);
1830
1831     // title screens may have different window size
1832     ChangeViewportPropertiesIfNeeded();
1833
1834     // only required to update logic for redrawing global border
1835     ClearField();
1836
1837     if (tci->is_image)
1838       DrawTitleScreenImage(tci->local_nr, tci->initial);
1839     else
1840       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1841
1842     sound = getTitleSound(tci);
1843     music = getTitleMusic(tci);
1844
1845     if (sound != last_sound)
1846       PlayMenuSoundExt(sound);
1847     if (music != last_music)
1848       PlayMenuMusicExt(music);
1849
1850     last_sound = sound;
1851     last_music = music;
1852
1853     SetMouseCursor(CURSOR_NONE);
1854
1855     FadeIn(REDRAW_ALL);
1856
1857     ResetTitleAutoDelay(&title_delay, &fading);
1858
1859     return;
1860   }
1861
1862   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1863     button = MB_MENU_CHOICE;
1864
1865   if (button == MB_MENU_LEAVE)
1866   {
1867     return_to_main_menu = TRUE;
1868   }
1869   else if (button == MB_MENU_CHOICE)
1870   {
1871     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1872     {
1873       SetGameStatus(GAME_MODE_INFO);
1874
1875       info_mode = INFO_MODE_MAIN;
1876
1877       DrawInfoScreen();
1878
1879       return;
1880     }
1881
1882     title_screen_nr++;
1883
1884     if (title_screen_nr < num_title_screens)
1885     {
1886       tci = &title_controls[title_screen_nr];
1887
1888       SetAnimStatus(getTitleAnimMode(tci));
1889
1890       sound = getTitleSound(tci);
1891       music = getTitleMusic(tci);
1892
1893       if (last_sound != SND_UNDEFINED && sound != last_sound)
1894         FadeSound(last_sound);
1895       if (last_music != MUS_UNDEFINED && music != last_music)
1896         FadeMusic();
1897
1898       fading = getTitleFading(tci);
1899
1900       FadeOut(REDRAW_ALL);
1901
1902       if (tci->is_image)
1903         DrawTitleScreenImage(tci->local_nr, tci->initial);
1904       else
1905         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1906
1907       sound = getTitleSound(tci);
1908       music = getTitleMusic(tci);
1909
1910       if (sound != last_sound)
1911         PlayMenuSoundExt(sound);
1912       if (music != last_music)
1913         PlayMenuMusicExt(music);
1914
1915       last_sound = sound;
1916       last_music = music;
1917
1918       FadeIn(REDRAW_ALL);
1919
1920       ResetTitleAutoDelay(&title_delay, &fading);
1921     }
1922     else
1923     {
1924       FadeMenuSoundsAndMusic();
1925
1926       return_to_main_menu = TRUE;
1927     }
1928   }
1929
1930   if (return_to_main_menu)
1931   {
1932     SetMouseCursor(CURSOR_DEFAULT);
1933
1934     // force full menu screen redraw after displaying title screens
1935     redraw_mask = REDRAW_ALL;
1936
1937     if (game_status_last_screen == GAME_MODE_INFO)
1938     {
1939       SetGameStatus(GAME_MODE_INFO);
1940
1941       info_mode = INFO_MODE_MAIN;
1942
1943       DrawInfoScreen();
1944     }
1945     else        // default: return to main menu
1946     {
1947       SetGameStatus(GAME_MODE_MAIN);
1948
1949       DrawMainMenu();
1950     }
1951   }
1952 }
1953
1954 static void HandleMainMenu_SelectLevel(int step, int direction,
1955                                        int selected_level_nr)
1956 {
1957   int old_level_nr = level_nr;
1958   int new_level_nr;
1959
1960   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1961     new_level_nr = selected_level_nr;
1962   else
1963     new_level_nr = old_level_nr + step * direction;
1964
1965   if (new_level_nr < leveldir_current->first_level)
1966     new_level_nr = leveldir_current->first_level;
1967   if (new_level_nr > leveldir_current->last_level)
1968     new_level_nr = leveldir_current->last_level;
1969
1970   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1971   {
1972     // skipping levels is only allowed when trying to skip single level
1973     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1974         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1975     {
1976       leveldir_current->handicap_level++;
1977       SaveLevelSetup_SeriesInfo();
1978     }
1979
1980     new_level_nr = leveldir_current->handicap_level;
1981   }
1982
1983   if (new_level_nr != old_level_nr)
1984   {
1985     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1986
1987     PlaySound(SND_MENU_ITEM_SELECTING);
1988
1989     level_nr = new_level_nr;
1990
1991     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1992              int2str(level_nr, menu.main.text.level_number.size),
1993              mci->pos_text->font);
1994
1995     LoadLevel(level_nr);
1996     DrawPreviewLevelInitial();
1997
1998     TapeErase();
1999     LoadTape(level_nr);
2000     DrawCompleteVideoDisplay();
2001
2002     SaveLevelSetup_SeriesInfo();
2003
2004     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2005
2006     // force redraw of playfield area (may be reset at this point)
2007     redraw_mask |= REDRAW_FIELD;
2008   }
2009 }
2010
2011 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2012 {
2013   static int choice = MAIN_CONTROL_GAME;
2014   static boolean button_pressed_last = FALSE;
2015   boolean button_pressed = FALSE;
2016   int pos = choice;
2017   int i = 0;    // needed to prevent compiler warning due to bad code below
2018
2019   if (button == MB_MENU_INITIALIZE)
2020   {
2021     DrawCursorAndText_Main(choice, TRUE, FALSE);
2022
2023     return;
2024   }
2025
2026   if (mx || my)         // mouse input
2027   {
2028     pos = -1;
2029
2030     for (i = 0; main_controls[i].nr != -1; i++)
2031     {
2032       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2033           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2034           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2035       {
2036         pos = main_controls[i].nr;
2037
2038         break;
2039       }
2040     }
2041
2042     // check if level preview was clicked
2043     if (insidePreviewRect(&preview, mx - SX, my - SY))
2044       pos = MAIN_CONTROL_GAME;
2045
2046     // handle pressed/unpressed state for active/inactive menu buttons
2047     // (if pos != -1, "i" contains index position corresponding to "pos")
2048     if (button &&
2049         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2050         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2051       button_pressed = TRUE;
2052
2053     if (button_pressed != button_pressed_last)
2054     {
2055       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2056
2057       if (button_pressed)
2058         PlaySound(SND_MENU_BUTTON_PRESSING);
2059       else
2060         PlaySound(SND_MENU_BUTTON_RELEASING);
2061     }
2062   }
2063   else if (dx || dy)    // keyboard input
2064   {
2065     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2066                    choice == MAIN_CONTROL_SETUP))
2067       button = MB_MENU_CHOICE;
2068     else if (dy)
2069       pos = choice + dy;
2070   }
2071
2072   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2073   {
2074     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2075   }
2076   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2077   {
2078     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2079   }
2080   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2081   {
2082     CloseDoor(DOOR_CLOSE_2);
2083
2084     SetGameStatus(GAME_MODE_LEVELNR);
2085
2086     DrawChooseLevelNr();
2087   }
2088   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2089   {
2090     if (button)
2091     {
2092       if (pos != choice)
2093       {
2094         PlaySound(SND_MENU_ITEM_ACTIVATING);
2095
2096         DrawCursorAndText_Main(choice, FALSE, FALSE);
2097         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2098
2099         choice = pos;
2100       }
2101       else if (dx != 0)
2102       {
2103         if (choice != MAIN_CONTROL_INFO &&
2104             choice != MAIN_CONTROL_SETUP)
2105           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2106       }
2107     }
2108     else
2109     {
2110       PlaySound(SND_MENU_ITEM_SELECTING);
2111
2112       if (pos == MAIN_CONTROL_NAME)
2113       {
2114         if ((mx || my) &&
2115             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2116         {
2117           // special case: menu text "name/team" clicked -- toggle team mode
2118           setup.team_mode = !setup.team_mode;
2119
2120           InitializeMainControls();
2121           DrawCursorAndText_Main(choice, TRUE, FALSE);
2122
2123           DrawPreviewPlayers();
2124         }
2125         else
2126         {
2127           if (setup.multiple_users)
2128           {
2129             CloseDoor(DOOR_CLOSE_2);
2130
2131             SetGameStatus(GAME_MODE_NAMES);
2132
2133             DrawChoosePlayerName();
2134           }
2135           else
2136           {
2137             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2138
2139             DrawTypeName();
2140           }
2141         }
2142       }
2143       else if (pos == MAIN_CONTROL_LEVELS)
2144       {
2145         if (leveldir_first)
2146         {
2147           CloseDoor(DOOR_CLOSE_2);
2148
2149           SetGameStatus(GAME_MODE_LEVELS);
2150
2151           SaveLevelSetup_LastSeries();
2152           SaveLevelSetup_SeriesInfo();
2153
2154           if (setup.internal.choose_from_top_leveldir)
2155             gotoTopLevelDir();
2156
2157           DrawChooseLevelSet();
2158         }
2159       }
2160       else if (pos == MAIN_CONTROL_SCORES)
2161       {
2162         CloseDoor(DOOR_CLOSE_2);
2163
2164         SetGameStatus(GAME_MODE_SCORES);
2165
2166         DrawHallOfFame(level_nr, -1);
2167       }
2168       else if (pos == MAIN_CONTROL_EDITOR)
2169       {
2170         if (leveldir_current->readonly &&
2171             !strEqual(setup.player_name, "Artsoft"))
2172           Request("This level is read-only!", REQ_CONFIRM);
2173
2174         CloseDoor(DOOR_CLOSE_2);
2175
2176         SetGameStatus(GAME_MODE_EDITOR);
2177
2178         FadeSetEnterScreen();
2179
2180         DrawLevelEd();
2181       }
2182       else if (pos == MAIN_CONTROL_INFO)
2183       {
2184         CloseDoor(DOOR_CLOSE_2);
2185
2186         SetGameStatus(GAME_MODE_INFO);
2187
2188         info_mode = INFO_MODE_MAIN;
2189
2190         DrawInfoScreen();
2191       }
2192       else if (pos == MAIN_CONTROL_GAME)
2193       {
2194         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2195       }
2196       else if (pos == MAIN_CONTROL_SETUP)
2197       {
2198         CloseDoor(DOOR_CLOSE_2);
2199
2200         SetGameStatus(GAME_MODE_SETUP);
2201
2202         setup_mode = SETUP_MODE_MAIN;
2203
2204         DrawSetupScreen();
2205       }
2206       else if (pos == MAIN_CONTROL_QUIT)
2207       {
2208         SaveLevelSetup_LastSeries();
2209         SaveLevelSetup_SeriesInfo();
2210
2211         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2212           SetGameStatus(GAME_MODE_QUIT);
2213       }
2214     }
2215   }
2216
2217   button_pressed_last = button_pressed;
2218 }
2219
2220
2221 // ============================================================================
2222 // info screen functions
2223 // ============================================================================
2224
2225 static struct TokenInfo *info_info;
2226 static int num_info_info;       // number of info entries shown on screen
2227 static int max_info_info;       // total number of info entries in list
2228
2229 static void execInfoTitleScreen(void)
2230 {
2231   info_mode = INFO_MODE_TITLE;
2232
2233   DrawInfoScreen();
2234 }
2235
2236 static void execInfoElements(void)
2237 {
2238   info_mode = INFO_MODE_ELEMENTS;
2239
2240   DrawInfoScreen();
2241 }
2242
2243 static void execInfoMusic(void)
2244 {
2245   info_mode = INFO_MODE_MUSIC;
2246
2247   DrawInfoScreen();
2248 }
2249
2250 static void execInfoCredits(void)
2251 {
2252   info_mode = INFO_MODE_CREDITS;
2253
2254   DrawInfoScreen();
2255 }
2256
2257 static void execInfoProgram(void)
2258 {
2259   info_mode = INFO_MODE_PROGRAM;
2260
2261   DrawInfoScreen();
2262 }
2263
2264 static void execInfoVersion(void)
2265 {
2266   info_mode = INFO_MODE_VERSION;
2267
2268   DrawInfoScreen();
2269 }
2270
2271 static void execInfoLevelSet(void)
2272 {
2273   info_mode = INFO_MODE_LEVELSET;
2274
2275   DrawInfoScreen();
2276 }
2277
2278 static void execExitInfo(void)
2279 {
2280   SetGameStatus(GAME_MODE_MAIN);
2281
2282   DrawMainMenu();
2283 }
2284
2285 static struct TokenInfo info_info_main[] =
2286 {
2287   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2288   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2289   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2290   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2291   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2292   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2293   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2294   { TYPE_EMPTY,         NULL,                   ""                      },
2295   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2296
2297   { 0,                  NULL,                   NULL                    }
2298 };
2299
2300 static int getMenuTextFont(int type)
2301 {
2302   if (type & (TYPE_SWITCH       |
2303               TYPE_YES_NO       |
2304               TYPE_YES_NO_AUTO  |
2305               TYPE_STRING       |
2306               TYPE_PLAYER       |
2307               TYPE_ECS_AGA      |
2308               TYPE_KEYTEXT      |
2309               TYPE_ENTER_LIST   |
2310               TYPE_TEXT_INPUT))
2311     return FONT_MENU_2;
2312   else
2313     return FONT_MENU_1;
2314 }
2315
2316 static struct TokenInfo *setup_info;
2317 static struct TokenInfo setup_info_input[];
2318
2319 static struct TokenInfo *menu_info;
2320
2321 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2322                                        int screen_pos, int menu_info_pos_raw,
2323                                        boolean active)
2324 {
2325   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2326   struct TokenInfo *ti = &token_info[pos];
2327   int xpos = MENU_SCREEN_START_XPOS;
2328   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2329   int font_nr = getMenuTextFont(ti->type);
2330
2331   if (setup_mode == SETUP_MODE_INPUT)
2332     font_nr = FONT_MENU_1;
2333
2334   if (active)
2335     font_nr = FONT_ACTIVE(font_nr);
2336
2337   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2338
2339   if (ti->type & ~TYPE_SKIP_ENTRY)
2340     drawCursor(screen_pos, active);
2341 }
2342
2343 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2344                                    boolean active)
2345 {
2346   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2347 }
2348
2349 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2350                                     boolean active)
2351 {
2352   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2353 }
2354
2355 static char *window_size_text;
2356 static char *scaling_type_text;
2357 static char *network_server_text;
2358
2359 static void drawSetupValue(int, int);
2360
2361 static void drawMenuInfoList(int first_entry, int num_page_entries,
2362                              int max_page_entries)
2363 {
2364   int i;
2365
2366   if (first_entry + num_page_entries > max_page_entries)
2367     first_entry = 0;
2368
2369   clearMenuListArea();
2370
2371   for (i = 0; i < num_page_entries; i++)
2372   {
2373     int menu_info_pos = first_entry + i;
2374     struct TokenInfo *si = &menu_info[menu_info_pos];
2375     void *value_ptr = si->value;
2376
2377     // set some entries to "unchangeable" according to other variables
2378     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2379         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2380         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2381         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2382         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2383         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2384       si->type |= TYPE_GHOSTED;
2385
2386     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2387       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2388     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2389       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2390     else if (si->type & ~TYPE_SKIP_ENTRY)
2391       initCursor(i, IMG_MENU_BUTTON);
2392
2393     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2394
2395     if (si->type & TYPE_STRING)
2396     {
2397       int gadget_id = -1;
2398
2399       if (value_ptr == &network_server_text)
2400         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2401
2402       if (gadget_id != -1)
2403       {
2404         struct GadgetInfo *gi = screen_gadget[gadget_id];
2405         int xpos = MENU_SCREEN_START_XPOS;
2406         int ypos = MENU_SCREEN_START_YPOS + i;
2407         int x = mSX + xpos * 32;
2408         int y = mSY + ypos * 32;
2409
2410         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2411       }
2412     }
2413
2414     if (si->type & TYPE_VALUE &&
2415         menu_info == setup_info)
2416       drawSetupValue(i, menu_info_pos);
2417   }
2418 }
2419
2420 static void DrawInfoScreen_Main(void)
2421 {
2422   int fade_mask = REDRAW_FIELD;
2423   int i;
2424
2425   if (redraw_mask & REDRAW_ALL)
2426     fade_mask = REDRAW_ALL;
2427
2428   if (CheckFadeAll())
2429     fade_mask = REDRAW_ALL;
2430
2431   UnmapAllGadgets();
2432   FadeMenuSoundsAndMusic();
2433
2434   FreeScreenGadgets();
2435   CreateScreenGadgets();
2436
2437   // (needed after displaying title screens which disable auto repeat)
2438   KeyboardAutoRepeatOn();
2439
2440   FadeSetLeaveScreen();
2441
2442   FadeOut(fade_mask);
2443
2444   // needed if different viewport properties defined for info screen
2445   ChangeViewportPropertiesIfNeeded();
2446
2447   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2448
2449   ClearField();
2450
2451   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2452
2453   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2454
2455   info_info = info_info_main;
2456
2457   // determine maximal number of info entries that can be displayed on screen
2458   num_info_info = 0;
2459   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2460     num_info_info++;
2461
2462   // determine maximal number of info entries available for menu of info screen
2463   max_info_info = 0;
2464   for (i = 0; info_info[i].type != 0; i++)
2465     max_info_info++;
2466
2467   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2468
2469   MapScreenGadgets(max_info_info);
2470
2471   PlayMenuSoundsAndMusic();
2472
2473   DrawMaskedBorder(fade_mask);
2474
2475   FadeIn(fade_mask);
2476 }
2477
2478 static void changeSetupValue(int, int, int);
2479
2480 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2481                              int mode, int num_page_entries,
2482                              int max_page_entries)
2483 {
2484   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2485   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2486   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2487   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2488   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2489   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2490   int *num_page_entries_last = num_page_entries_all_last[game_status];
2491   int *choice_store = choice_stores[game_status];
2492   int *first_entry_store = first_entry_stores[game_status];
2493   int choice = choice_store[mode];              // starts with 0
2494   int first_entry = first_entry_store[mode];    // starts with 0
2495   int x = 0;
2496   int y = choice - first_entry;
2497   int y_old = y;
2498   boolean position_set_by_scrollbar = (dx == 999);
2499   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2500   int i;
2501
2502   if (button == MB_MENU_INITIALIZE)
2503   {
2504     // check if number of menu page entries has changed (may happen by change
2505     // of custom artwork definition value for 'list_size' for this menu screen)
2506     // (in this case, the last menu position most probably has to be corrected)
2507     if (num_page_entries != num_page_entries_last[mode])
2508     {
2509       choice_store[mode] = first_entry_store[mode] = 0;
2510
2511       choice = first_entry = 0;
2512       y = y_old = 0;
2513
2514       num_page_entries_last[mode] = num_page_entries;
2515     }
2516
2517     // advance to first valid menu entry
2518     while (choice < num_page_entries &&
2519            menu_info[choice].type & TYPE_SKIP_ENTRY)
2520       choice++;
2521
2522     if (position_set_by_scrollbar)
2523       first_entry = first_entry_store[mode] = dy;
2524     else
2525       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2526                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2527
2528     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2529
2530     if (choice < first_entry)
2531     {
2532       choice = first_entry;
2533
2534       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2535         choice++;
2536     }
2537     else if (choice > first_entry + num_page_entries - 1)
2538     {
2539       choice = first_entry + num_page_entries - 1;
2540
2541       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2542         choice--;
2543     }
2544
2545     choice_store[mode] = choice;
2546
2547     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2548
2549     return;
2550   }
2551   else if (button == MB_MENU_LEAVE)
2552   {
2553     PlaySound(SND_MENU_ITEM_SELECTING);
2554
2555     for (i = 0; i < max_page_entries; i++)
2556     {
2557       if (menu_info[i].type & TYPE_LEAVE_MENU)
2558       {
2559         void (*menu_callback_function)(void) = menu_info[i].value;
2560
2561         FadeSetLeaveMenu();
2562
2563         menu_callback_function();
2564
2565         break;  // absolutely needed because function changes 'menu_info'!
2566       }
2567     }
2568
2569     return;
2570   }
2571
2572   if (mx || my)         // mouse input
2573   {
2574     x = (mx - mSX) / 32;
2575     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2576   }
2577   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2578   {
2579     // move cursor instead of scrolling when already at start/end of list
2580     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2581       dy = -1;
2582     else if (dy == +1 * SCROLL_LINE &&
2583              first_entry + num_page_entries == max_page_entries)
2584       dy = 1;
2585
2586     // handle scrolling screen one line or page
2587     if (y + dy < 0 ||
2588         y + dy > num_page_entries - 1)
2589     {
2590       boolean redraw = FALSE;
2591
2592       if (ABS(dy) == SCROLL_PAGE)
2593         step = num_page_entries - 1;
2594
2595       if (dy < 0 && first_entry > 0)
2596       {
2597         // scroll page/line up
2598
2599         first_entry -= step;
2600         if (first_entry < 0)
2601           first_entry = 0;
2602
2603         redraw = TRUE;
2604       }
2605       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2606       {
2607         // scroll page/line down
2608
2609         first_entry += step;
2610         if (first_entry + num_page_entries > max_page_entries)
2611           first_entry = MAX(0, max_page_entries - num_page_entries);
2612
2613         redraw = TRUE;
2614       }
2615
2616       if (redraw)
2617       {
2618         choice += first_entry - first_entry_store[mode];
2619
2620         if (choice < first_entry)
2621         {
2622           choice = first_entry;
2623
2624           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2625             choice++;
2626         }
2627         else if (choice > first_entry + num_page_entries - 1)
2628         {
2629           choice = first_entry + num_page_entries - 1;
2630
2631           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2632             choice--;
2633         }
2634         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2635         {
2636           choice += SIGN(dy);
2637
2638           if (choice < first_entry ||
2639               choice > first_entry + num_page_entries - 1)
2640           first_entry += SIGN(dy);
2641         }
2642
2643         first_entry_store[mode] = first_entry;
2644         choice_store[mode] = choice;
2645
2646         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2647
2648         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2649
2650         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2651                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2652       }
2653
2654       return;
2655     }
2656
2657     if (dx)
2658     {
2659       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2660
2661       if (menu_info[choice].type & menu_navigation_type ||
2662           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2663           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2664           menu_info[choice].type & TYPE_PLAYER)
2665         button = MB_MENU_CHOICE;
2666     }
2667     else if (dy)
2668       y += dy;
2669
2670     // jump to next non-empty menu entry (up or down)
2671     while (first_entry + y > 0 &&
2672            first_entry + y < max_page_entries - 1 &&
2673            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2674       y += dy;
2675
2676     if (!IN_VIS_MENU(x, y))
2677     {
2678       choice += y - y_old;
2679
2680       if (choice < first_entry)
2681         first_entry = choice;
2682       else if (choice > first_entry + num_page_entries - 1)
2683         first_entry = choice - num_page_entries + 1;
2684
2685       if (first_entry >= 0 &&
2686           first_entry + num_page_entries <= max_page_entries)
2687       {
2688         first_entry_store[mode] = first_entry;
2689
2690         if (choice < first_entry)
2691           choice = first_entry;
2692         else if (choice > first_entry + num_page_entries - 1)
2693           choice = first_entry + num_page_entries - 1;
2694
2695         choice_store[mode] = choice;
2696
2697         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2698
2699         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2700
2701         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2702                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2703       }
2704
2705       return;
2706     }
2707   }
2708
2709   if (!anyScrollbarGadgetActive() &&
2710       IN_VIS_MENU(x, y) &&
2711       mx < mx_right_border &&
2712       y >= 0 && y < num_page_entries)
2713   {
2714     if (button)
2715     {
2716       if (first_entry + y != choice &&
2717           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2718       {
2719         PlaySound(SND_MENU_ITEM_ACTIVATING);
2720
2721         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2722         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2723
2724         choice = choice_store[mode] = first_entry + y;
2725       }
2726       else if (dx < 0)
2727       {
2728         PlaySound(SND_MENU_ITEM_SELECTING);
2729
2730         for (i = 0; menu_info[i].type != 0; i++)
2731         {
2732           if (menu_info[i].type & TYPE_LEAVE_MENU)
2733           {
2734             void (*menu_callback_function)(void) = menu_info[i].value;
2735
2736             FadeSetLeaveMenu();
2737
2738             menu_callback_function();
2739
2740             // absolutely needed because function changes 'menu_info'!
2741             break;
2742           }
2743         }
2744
2745         return;
2746       }
2747     }
2748     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2749     {
2750       PlaySound(SND_MENU_ITEM_SELECTING);
2751
2752       // when selecting key headline, execute function for key value change
2753       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2754           menu_info[first_entry + y + 1].type & TYPE_KEY)
2755         y++;
2756
2757       // when selecting string value, execute function for list selection
2758       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2759           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2760         y--;
2761
2762       // when selecting string value, execute function for text input gadget
2763       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2764           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2765         y--;
2766
2767       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2768       {
2769         void (*menu_callback_function)(void) =
2770           menu_info[first_entry + y].value;
2771
2772         FadeSetFromType(menu_info[first_entry + y].type);
2773
2774         menu_callback_function();
2775       }
2776       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2777       {
2778         void (*gadget_callback_function)(void) =
2779           menu_info[first_entry + y].value;
2780
2781         gadget_callback_function();
2782       }
2783       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2784                menu_info == setup_info)
2785       {
2786         changeSetupValue(y, first_entry + y, dx);
2787       }
2788     }
2789   }
2790 }
2791
2792 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2793 {
2794   menu_info = info_info;
2795
2796   HandleMenuScreen(mx, my, dx, dy, button,
2797                    info_mode, num_info_info, max_info_info);
2798 }
2799
2800 static int getMenuFontSpacing(int spacing_height, int font_nr)
2801 {
2802   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2803
2804   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2805           spacing_height);
2806 }
2807
2808 static int getMenuTextSpacing(int spacing_height, int font_nr)
2809 {
2810   return (getMenuFontSpacing(spacing_height, font_nr) +
2811           EXTRA_SPACING(game_status));
2812 }
2813
2814 static int getMenuTextStep(int spacing_height, int font_nr)
2815 {
2816   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2817 }
2818
2819 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2820 {
2821   int font_title = MENU_INFO_FONT_TITLE;
2822   int font_error = FONT_TEXT_2;
2823   int font_foot  = MENU_INFO_FONT_FOOT;
2824   int spacing_title = menu.headline1_spacing_info[info_mode];
2825   int ystep_title = getMenuTextStep(spacing_title, font_title);
2826   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2827   int ystart2 = ystart1 + ystep_title;
2828   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2829
2830   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2831
2832   FadeOut(REDRAW_FIELD);
2833
2834   ClearField();
2835   DrawHeadline();
2836
2837   DrawTextSCentered(ystart1, font_title, text_title);
2838   DrawTextSCentered(ystart2, font_error, text_error);
2839
2840   DrawTextSCentered(ybottom, font_foot,
2841                     "Press any key or button for info menu");
2842
2843   FadeIn(REDRAW_FIELD);
2844 }
2845
2846 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2847 {
2848   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2849   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2850   int font_title = MENU_INFO_FONT_TITLE;
2851   int font_foot  = MENU_INFO_FONT_FOOT;
2852   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2853   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2854   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2855   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2856   int ystep = MENU_SCREEN_INFO_YSTEP;
2857   int element, action, direction;
2858   int graphic;
2859   int delay;
2860   int sync_frame;
2861   int i, j;
2862
2863   if (init)
2864   {
2865     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2866       infoscreen_step[i] = infoscreen_frame[i] = 0;
2867
2868     ClearField();
2869     DrawHeadline();
2870
2871     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2872
2873     DrawTextSCentered(ybottom, font_foot,
2874                       "Press any key or button for next page");
2875
2876     FrameCounter = 0;
2877   }
2878
2879   i = j = 0;
2880   while (helpanim_info[j].element != HELPANIM_LIST_END)
2881   {
2882     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2883         i >= max_anims)
2884       break;
2885     else if (i < start)
2886     {
2887       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2888         j++;
2889
2890       j++;
2891       i++;
2892
2893       continue;
2894     }
2895
2896     j += infoscreen_step[i - start];
2897
2898     element = helpanim_info[j].element;
2899     action = helpanim_info[j].action;
2900     direction = helpanim_info[j].direction;
2901
2902     if (element < 0)
2903       element = EL_UNKNOWN;
2904
2905     if (action != -1 && direction != -1)
2906       graphic = el_act_dir2img(element, action, direction);
2907     else if (action != -1)
2908       graphic = el_act2img(element, action);
2909     else if (direction != -1)
2910       graphic = el_dir2img(element, direction);
2911     else
2912       graphic = el2img(element);
2913
2914     delay = helpanim_info[j++].delay;
2915
2916     if (delay == -1)
2917       delay = 1000000;
2918
2919     if (infoscreen_frame[i - start] == 0)
2920     {
2921       sync_frame = 0;
2922       infoscreen_frame[i - start] = delay - 1;
2923     }
2924     else
2925     {
2926       sync_frame = delay - infoscreen_frame[i - start];
2927       infoscreen_frame[i - start]--;
2928     }
2929
2930     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2931     {
2932       if (!infoscreen_frame[i - start])
2933         infoscreen_step[i - start] = 0;
2934     }
2935     else
2936     {
2937       if (!infoscreen_frame[i - start])
2938         infoscreen_step[i - start]++;
2939       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2940         j++;
2941     }
2942
2943     j++;
2944
2945     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2946                                TILEX, TILEY);
2947     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2948                                  graphic, sync_frame, USE_MASKING);
2949
2950     if (init)
2951       DrawInfoScreen_HelpText(element, action, direction, i - start);
2952
2953     i++;
2954   }
2955
2956   redraw_mask |= REDRAW_FIELD;
2957
2958   FrameCounter++;
2959 }
2960
2961 static char *getHelpText(int element, int action, int direction)
2962 {
2963   char token[MAX_LINE_LEN];
2964
2965   strcpy(token, element_info[element].token_name);
2966
2967   if (action != -1)
2968     strcat(token, element_action_info[action].suffix);
2969
2970   if (direction != -1)
2971     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2972
2973   return getHashEntry(helptext_info, token);
2974 }
2975
2976 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2977 {
2978   int font_nr = FONT_INFO_ELEMENTS;
2979   int font_width = getFontWidth(font_nr);
2980   int font_height = getFontHeight(font_nr);
2981   int yoffset = (TILEX - 2 * font_height) / 2;
2982   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2983   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2984   int ystep = TILEY + 4;
2985   int pad_left = xstart - SX;
2986   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2987   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2988   int max_lines_per_text = 2;
2989   char *text = NULL;
2990
2991   if (action != -1 && direction != -1)          // element.action.direction
2992     text = getHelpText(element, action, direction);
2993
2994   if (text == NULL && action != -1)             // element.action
2995     text = getHelpText(element, action, -1);
2996
2997   if (text == NULL && direction != -1)          // element.direction
2998     text = getHelpText(element, -1, direction);
2999
3000   if (text == NULL)                             // base element
3001     text = getHelpText(element, -1, -1);
3002
3003   if (text == NULL)                             // not found
3004     text = "No description available";
3005
3006   if (strlen(text) <= max_chars_per_line)       // only one line of text
3007     ystart += getFontHeight(font_nr) / 2;
3008
3009   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3010                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3011                  TRUE, FALSE, FALSE);
3012 }
3013
3014 static void DrawInfoScreen_TitleScreen(void)
3015 {
3016   SetGameStatus(GAME_MODE_TITLE);
3017
3018   DrawTitleScreen();
3019 }
3020
3021 void HandleInfoScreen_TitleScreen(int button)
3022 {
3023   HandleTitleScreen(0, 0, 0, 0, button);
3024 }
3025
3026 static void DrawInfoScreen_Elements(void)
3027 {
3028   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3029
3030   FadeOut(REDRAW_FIELD);
3031
3032   LoadHelpAnimInfo();
3033   LoadHelpTextInfo();
3034
3035   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3036
3037   FadeIn(REDRAW_FIELD);
3038 }
3039
3040 void HandleInfoScreen_Elements(int button)
3041 {
3042   static unsigned int info_delay = 0;
3043   static int num_anims;
3044   static int num_pages;
3045   static int page;
3046   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3047   int i;
3048
3049   if (button == MB_MENU_INITIALIZE)
3050   {
3051     boolean new_element = TRUE;
3052
3053     num_anims = 0;
3054
3055     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3056     {
3057       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3058         new_element = TRUE;
3059       else if (new_element)
3060       {
3061         num_anims++;
3062         new_element = FALSE;
3063       }
3064     }
3065
3066     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3067     page = 0;
3068   }
3069
3070   if (button == MB_MENU_LEAVE)
3071   {
3072     PlaySound(SND_MENU_ITEM_SELECTING);
3073
3074     info_mode = INFO_MODE_MAIN;
3075     DrawInfoScreen();
3076
3077     return;
3078   }
3079   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3080   {
3081     if (button != MB_MENU_INITIALIZE)
3082     {
3083       PlaySound(SND_MENU_ITEM_SELECTING);
3084
3085       page++;
3086     }
3087
3088     if (page >= num_pages)
3089     {
3090       FadeMenuSoundsAndMusic();
3091
3092       info_mode = INFO_MODE_MAIN;
3093       DrawInfoScreen();
3094
3095       return;
3096     }
3097
3098     if (page > 0)
3099       FadeSetNextScreen();
3100
3101     if (button != MB_MENU_INITIALIZE)
3102       FadeOut(REDRAW_FIELD);
3103
3104     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3105
3106     if (button != MB_MENU_INITIALIZE)
3107       FadeIn(REDRAW_FIELD);
3108   }
3109   else
3110   {
3111     if (DelayReached(&info_delay, GameFrameDelay))
3112       if (page < num_pages)
3113         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3114
3115     PlayMenuSoundIfLoop();
3116   }
3117 }
3118
3119 static void DrawInfoScreen_Music(void)
3120 {
3121   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3122
3123   FadeOut(REDRAW_FIELD);
3124
3125   ClearField();
3126   DrawHeadline();
3127
3128   LoadMusicInfo();
3129
3130   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3131
3132   FadeIn(REDRAW_FIELD);
3133 }
3134
3135 void HandleInfoScreen_Music(int button)
3136 {
3137   static struct MusicFileInfo *list = NULL;
3138   int font_title = MENU_INFO_FONT_TITLE;
3139   int font_head  = MENU_INFO_FONT_HEAD;
3140   int font_text  = MENU_INFO_FONT_TEXT;
3141   int font_foot  = MENU_INFO_FONT_FOOT;
3142   int spacing_title = menu.headline1_spacing_info[info_mode];
3143   int spacing_head  = menu.headline2_spacing_info[info_mode];
3144   int ystep_title = getMenuTextStep(spacing_title, font_title);
3145   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3146   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3147   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3148
3149   if (button == MB_MENU_INITIALIZE)
3150   {
3151     list = music_file_info;
3152
3153     if (list == NULL)
3154     {
3155       FadeMenuSoundsAndMusic();
3156
3157       ClearField();
3158       DrawHeadline();
3159
3160       DrawTextSCentered(ystart, font_title,
3161                         "No music info for this level set.");
3162
3163       DrawTextSCentered(ybottom, font_foot,
3164                         "Press any key or button for info menu");
3165
3166       return;
3167     }
3168   }
3169
3170   if (button == MB_MENU_LEAVE)
3171   {
3172     PlaySound(SND_MENU_ITEM_SELECTING);
3173
3174     FadeMenuSoundsAndMusic();
3175
3176     info_mode = INFO_MODE_MAIN;
3177     DrawInfoScreen();
3178
3179     return;
3180   }
3181   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3182   {
3183     if (button != MB_MENU_INITIALIZE)
3184     {
3185       PlaySound(SND_MENU_ITEM_SELECTING);
3186
3187       if (list != NULL)
3188         list = list->next;
3189     }
3190
3191     if (list == NULL)
3192     {
3193       FadeMenuSoundsAndMusic();
3194
3195       info_mode = INFO_MODE_MAIN;
3196       DrawInfoScreen();
3197
3198       return;
3199     }
3200
3201     FadeMenuSoundsAndMusic();
3202
3203     if (list != music_file_info)
3204       FadeSetNextScreen();
3205
3206     if (button != MB_MENU_INITIALIZE)
3207       FadeOut(REDRAW_FIELD);
3208
3209     ClearField();
3210     DrawHeadline();
3211
3212     if (list->is_sound)
3213     {
3214       int sound = list->music;
3215
3216       if (sound_info[sound].loop)
3217         PlaySoundLoop(sound);
3218       else
3219         PlaySound(sound);
3220
3221       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3222     }
3223     else
3224     {
3225       int music = list->music;
3226
3227       if (music_info[music].loop)
3228         PlayMusicLoop(music);
3229       else
3230         PlayMusic(music);
3231
3232       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3233     }
3234
3235     ystart += ystep_title;
3236
3237     if (!strEqual(list->title, UNKNOWN_NAME))
3238     {
3239       if (!strEqual(list->title_header, UNKNOWN_NAME))
3240       {
3241         DrawTextSCentered(ystart, font_head, list->title_header);
3242         ystart += ystep_head;
3243       }
3244
3245       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3246       ystart += ystep_head;
3247     }
3248
3249     if (!strEqual(list->artist, UNKNOWN_NAME))
3250     {
3251       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3252         DrawTextSCentered(ystart, font_head, list->artist_header);
3253       else
3254         DrawTextSCentered(ystart, font_head, "by");
3255
3256       ystart += ystep_head;
3257
3258       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3259       ystart += ystep_head;
3260     }
3261
3262     if (!strEqual(list->album, UNKNOWN_NAME))
3263     {
3264       if (!strEqual(list->album_header, UNKNOWN_NAME))
3265         DrawTextSCentered(ystart, font_head, list->album_header);
3266       else
3267         DrawTextSCentered(ystart, font_head, "from the album");
3268
3269       ystart += ystep_head;
3270
3271       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3272       ystart += ystep_head;
3273     }
3274
3275     if (!strEqual(list->year, UNKNOWN_NAME))
3276     {
3277       if (!strEqual(list->year_header, UNKNOWN_NAME))
3278         DrawTextSCentered(ystart, font_head, list->year_header);
3279       else
3280         DrawTextSCentered(ystart, font_head, "from the year");
3281
3282       ystart += ystep_head;
3283
3284       DrawTextFCentered(ystart, font_text, "%s", list->year);
3285       ystart += ystep_head;
3286     }
3287
3288     DrawTextSCentered(ybottom, FONT_TEXT_4,
3289                       "Press any key or button for next page");
3290
3291     if (button != MB_MENU_INITIALIZE)
3292       FadeIn(REDRAW_FIELD);
3293   }
3294
3295   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3296     PlaySoundLoop(list->music);
3297 }
3298
3299 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3300 {
3301   int font_title = MENU_INFO_FONT_TITLE;
3302   int font_head  = MENU_INFO_FONT_HEAD;
3303   int font_text  = MENU_INFO_FONT_TEXT;
3304   int font_foot  = MENU_INFO_FONT_FOOT;
3305   int spacing_title = menu.headline1_spacing_info[info_mode];
3306   int spacing_head  = menu.headline2_spacing_info[info_mode];
3307   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3308   int spacing_line  = menu.line_spacing_info[info_mode];
3309   int ystep_title = getMenuTextStep(spacing_title, font_title);
3310   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3311   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3312   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3313   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3314   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3315
3316   ClearField();
3317   DrawHeadline();
3318
3319   DrawTextSCentered(ystart, font_title, "Credits:");
3320   ystart += ystep_title;
3321
3322   if (screen_nr == 0)
3323   {
3324     DrawTextSCentered(ystart, font_head,
3325                       "Special thanks to");
3326     ystart += ystep_head;
3327     DrawTextSCentered(ystart, font_text,
3328                       "Peter Liepa");
3329     ystart += ystep_head;
3330     DrawTextSCentered(ystart, font_head,
3331                       "for creating");
3332     ystart += ystep_head;
3333     DrawTextSCentered(ystart, font_text,
3334                       "\"Boulder Dash\"");
3335     ystart += ystep_head;
3336     DrawTextSCentered(ystart, font_head,
3337                       "in the year");
3338     ystart += ystep_head;
3339     DrawTextSCentered(ystart, font_text,
3340                       "1984");
3341     ystart += ystep_head;
3342     DrawTextSCentered(ystart, font_head,
3343                       "published by");
3344     ystart += ystep_head;
3345     DrawTextSCentered(ystart, font_text,
3346                       "First Star Software");
3347   }
3348   else if (screen_nr == 1)
3349   {
3350     DrawTextSCentered(ystart, font_head,
3351                       "Special thanks to");
3352     ystart += ystep_head;
3353     DrawTextSCentered(ystart, font_text,
3354                       "Klaus Heinz & Volker Wertich");
3355     ystart += ystep_head;
3356     DrawTextSCentered(ystart, font_head,
3357                       "for creating");
3358     ystart += ystep_head;
3359     DrawTextSCentered(ystart, font_text,
3360                       "\"Emerald Mine\"");
3361     ystart += ystep_head;
3362     DrawTextSCentered(ystart, font_head,
3363                       "in the year");
3364     ystart += ystep_head;
3365     DrawTextSCentered(ystart, font_text,
3366                       "1987");
3367     ystart += ystep_head;
3368     DrawTextSCentered(ystart, font_head,
3369                       "published by");
3370     ystart += ystep_head;
3371     DrawTextSCentered(ystart, font_text,
3372                       "Kingsoft");
3373   }
3374   else if (screen_nr == 2)
3375   {
3376     DrawTextSCentered(ystart, font_head,
3377                       "Special thanks to");
3378     ystart += ystep_head;
3379     DrawTextSCentered(ystart, font_text,
3380                       "Michael Stopp & Philip Jespersen");
3381     ystart += ystep_head;
3382     DrawTextSCentered(ystart, font_head,
3383                       "for creating");
3384     ystart += ystep_head;
3385     DrawTextSCentered(ystart, font_text,
3386                       "\"Supaplex\"");
3387     ystart += ystep_head;
3388     DrawTextSCentered(ystart, font_head,
3389                       "in the year");
3390     ystart += ystep_head;
3391     DrawTextSCentered(ystart, font_text,
3392                       "1991");
3393     ystart += ystep_head;
3394     DrawTextSCentered(ystart, font_head,
3395                       "published by");
3396     ystart += ystep_head;
3397     DrawTextSCentered(ystart, font_text,
3398                       "Digital Integration");
3399   }
3400   else if (screen_nr == 3)
3401   {
3402     DrawTextSCentered(ystart, font_head,
3403                       "Special thanks to");
3404     ystart += ystep_head;
3405     DrawTextSCentered(ystart, font_text,
3406                       "Hiroyuki Imabayashi");
3407     ystart += ystep_head;
3408     DrawTextSCentered(ystart, font_head,
3409                       "for creating");
3410     ystart += ystep_head;
3411     DrawTextSCentered(ystart, font_text,
3412                       "\"Sokoban\"");
3413     ystart += ystep_head;
3414     DrawTextSCentered(ystart, font_head,
3415                       "in the year");
3416     ystart += ystep_head;
3417     DrawTextSCentered(ystart, font_text,
3418                       "1982");
3419     ystart += ystep_head;
3420     DrawTextSCentered(ystart, font_head,
3421                       "published by");
3422     ystart += ystep_head;
3423     DrawTextSCentered(ystart, font_text,
3424                       "Thinking Rabbit");
3425   }
3426   else if (screen_nr == 4)
3427   {
3428     DrawTextSCentered(ystart, font_head,
3429                       "Special thanks to");
3430     ystart += ystep_head;
3431     DrawTextSCentered(ystart, font_text,
3432                       "Alan Bond");
3433     ystart += ystep_head;
3434     DrawTextSCentered(ystart, font_head,
3435                       "and");
3436     ystart += ystep_head;
3437     DrawTextSCentered(ystart, font_text,
3438                       "J\xfcrgen Bonhagen");
3439     ystart += ystep_head;
3440     DrawTextSCentered(ystart, font_head,
3441                       "for the continuous creation");
3442     ystart += ystep_line;
3443     DrawTextSCentered(ystart, font_head,
3444                       "of outstanding level sets");
3445   }
3446   else if (screen_nr == 5)
3447   {
3448     DrawTextSCentered(ystart, font_head,
3449                       "Thanks to");
3450     ystart += ystep_head;
3451     DrawTextSCentered(ystart, font_text,
3452                       "Peter Elzner");
3453     ystart += ystep_head;
3454     DrawTextSCentered(ystart, font_head,
3455                       "for ideas and inspiration by");
3456     ystart += ystep_head;
3457     DrawTextSCentered(ystart, font_text,
3458                       "Diamond Caves");
3459     ystart += ystep_para;
3460
3461     DrawTextSCentered(ystart, font_head,
3462                       "Thanks to");
3463     ystart += ystep_head;
3464     DrawTextSCentered(ystart, font_text,
3465                       "Steffest");
3466     ystart += ystep_head;
3467     DrawTextSCentered(ystart, font_head,
3468                       "for ideas and inspiration by");
3469     ystart += ystep_head;
3470     DrawTextSCentered(ystart, font_text,
3471                       "DX-Boulderdash");
3472   }
3473   else if (screen_nr == 6)
3474   {
3475     DrawTextSCentered(ystart, font_head,
3476                       "Thanks to");
3477     ystart += ystep_head;
3478     DrawTextSCentered(ystart, font_text,
3479                       "David Tritscher");
3480     ystart += ystep_head;
3481     DrawTextSCentered(ystart, font_head,
3482                       "for the code base used for the");
3483     ystart += ystep_line;
3484     DrawTextSCentered(ystart, font_head,
3485                       "native Emerald Mine engine");
3486   }
3487   else if (screen_nr == 7)
3488   {
3489     DrawTextSCentered(ystart, font_head,
3490                       "Thanks to");
3491     ystart += ystep_head;
3492     DrawTextSCentered(ystart, font_text,
3493                       "Guido Schulz");
3494     ystart += ystep_head;
3495     DrawTextSCentered(ystart, font_head,
3496                       "for the initial DOS port");
3497     ystart += ystep_para;
3498
3499     DrawTextSCentered(ystart, font_head,
3500                       "Thanks to");
3501     ystart += ystep_head;
3502     DrawTextSCentered(ystart, font_text,
3503                       "Karl H\xf6rnell");
3504     ystart += ystep_head;
3505     DrawTextSCentered(ystart, font_head,
3506                       "for some additional toons");
3507   }
3508   else if (screen_nr == 8)
3509   {
3510     DrawTextSCentered(ystart, font_head,
3511                       "And not to forget:");
3512     ystart += ystep_head;
3513     DrawTextSCentered(ystart, font_head,
3514                       "Many thanks to");
3515     ystart += ystep_head;
3516     DrawTextSCentered(ystart, font_text,
3517                       "All those who contributed");
3518     ystart += ystep_line;
3519     DrawTextSCentered(ystart, font_text,
3520                       "levels to this game");
3521     ystart += ystep_line;
3522     DrawTextSCentered(ystart, font_text,
3523                       "since 1995");
3524   }
3525
3526   DrawTextSCentered(ybottom, font_foot,
3527                     "Press any key or button for next page");
3528 }
3529
3530 static void DrawInfoScreen_Credits(void)
3531 {
3532   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3533
3534   FadeMenuSoundsAndMusic();
3535
3536   FadeOut(REDRAW_FIELD);
3537
3538   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3539
3540   FadeIn(REDRAW_FIELD);
3541 }
3542
3543 void HandleInfoScreen_Credits(int button)
3544 {
3545   static int screen_nr = 0;
3546   int num_screens = 9;
3547
3548   if (button == MB_MENU_INITIALIZE)
3549   {
3550     screen_nr = 0;
3551
3552     // DrawInfoScreen_CreditsScreen(screen_nr);
3553   }
3554
3555   if (button == MB_MENU_LEAVE)
3556   {
3557     PlaySound(SND_MENU_ITEM_SELECTING);
3558
3559     info_mode = INFO_MODE_MAIN;
3560     DrawInfoScreen();
3561
3562     return;
3563   }
3564   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3565   {
3566     if (button != MB_MENU_INITIALIZE)
3567     {
3568       PlaySound(SND_MENU_ITEM_SELECTING);
3569
3570       screen_nr++;
3571     }
3572
3573     if (screen_nr >= num_screens)
3574     {
3575       FadeMenuSoundsAndMusic();
3576
3577       info_mode = INFO_MODE_MAIN;
3578       DrawInfoScreen();
3579
3580       return;
3581     }
3582
3583     if (screen_nr > 0)
3584       FadeSetNextScreen();
3585
3586     if (button != MB_MENU_INITIALIZE)
3587       FadeOut(REDRAW_FIELD);
3588
3589     DrawInfoScreen_CreditsScreen(screen_nr);
3590
3591     if (button != MB_MENU_INITIALIZE)
3592       FadeIn(REDRAW_FIELD);
3593   }
3594   else
3595   {
3596     PlayMenuSoundIfLoop();
3597   }
3598 }
3599
3600 static void DrawInfoScreen_Program(void)
3601 {
3602   int font_title = MENU_INFO_FONT_TITLE;
3603   int font_head  = MENU_INFO_FONT_HEAD;
3604   int font_text  = MENU_INFO_FONT_TEXT;
3605   int font_foot  = MENU_INFO_FONT_FOOT;
3606   int spacing_title = menu.headline1_spacing_info[info_mode];
3607   int spacing_head  = menu.headline2_spacing_info[info_mode];
3608   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3609   int spacing_line  = menu.line_spacing_info[info_mode];
3610   int ystep_title = getMenuTextStep(spacing_title, font_title);
3611   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3612   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3613   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3614   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3615   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3616
3617   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3618
3619   FadeOut(REDRAW_FIELD);
3620
3621   ClearField();
3622   DrawHeadline();
3623
3624   DrawTextSCentered(ystart, font_title, "Program Information:");
3625   ystart += ystep_title;
3626
3627   DrawTextSCentered(ystart, font_head,
3628                     "This game is Freeware!");
3629   ystart += ystep_head;
3630   DrawTextSCentered(ystart, font_head,
3631                     "If you like it, send e-mail to:");
3632   ystart += ystep_head;
3633   DrawTextSCentered(ystart, font_text,
3634                     setup.internal.program_email);
3635   ystart += ystep_para;
3636
3637   DrawTextSCentered(ystart, font_head,
3638                     "More information and levels:");
3639   ystart += ystep_head;
3640   DrawTextSCentered(ystart, font_text,
3641                     setup.internal.program_website);
3642   ystart += ystep_para;
3643
3644   DrawTextSCentered(ystart, font_head,
3645                     "If you have created new levels,");
3646   ystart += ystep_line;
3647   DrawTextSCentered(ystart, font_head,
3648                     "send them to me to include them!");
3649   ystart += ystep_head;
3650   DrawTextSCentered(ystart, font_head,
3651                     ":-)");
3652
3653   DrawTextSCentered(ybottom, font_foot,
3654                     "Press any key or button for info menu");
3655
3656   FadeIn(REDRAW_FIELD);
3657 }
3658
3659 void HandleInfoScreen_Program(int button)
3660 {
3661   if (button == MB_MENU_LEAVE)
3662   {
3663     PlaySound(SND_MENU_ITEM_SELECTING);
3664
3665     info_mode = INFO_MODE_MAIN;
3666     DrawInfoScreen();
3667
3668     return;
3669   }
3670   else if (button == MB_MENU_CHOICE)
3671   {
3672     PlaySound(SND_MENU_ITEM_SELECTING);
3673
3674     FadeMenuSoundsAndMusic();
3675
3676     info_mode = INFO_MODE_MAIN;
3677     DrawInfoScreen();
3678   }
3679   else
3680   {
3681     PlayMenuSoundIfLoop();
3682   }
3683 }
3684
3685 static void DrawInfoScreen_Version(void)
3686 {
3687   int font_title = MENU_INFO_FONT_TITLE;
3688   int font_head  = MENU_INFO_FONT_HEAD;
3689   int font_text  = MENU_INFO_FONT_TEXT;
3690   int font_foot  = MENU_INFO_FONT_FOOT;
3691   int spacing_title = menu.headline1_spacing_info[info_mode];
3692   int spacing_head  = menu.headline2_spacing_info[info_mode];
3693   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3694   int spacing_line  = menu.line_spacing_info[info_mode];
3695   int xstep = getFontWidth(font_text);
3696   int ystep_title = getMenuTextStep(spacing_title, font_title);
3697   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3698   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3699   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3700   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3701   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3702   int xstart1 = mSX - SX + 2 * xstep;
3703   int xstart2 = mSX - SX + 18 * xstep;
3704   int xstart3 = mSX - SX + 28 * xstep;
3705   SDL_version sdl_version_compiled;
3706   const SDL_version *sdl_version_linked;
3707   int driver_name_len = 10;
3708   SDL_version sdl_version_linked_ext;
3709   const char *driver_name = NULL;
3710
3711   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3712
3713   FadeOut(REDRAW_FIELD);
3714
3715   ClearField();
3716   DrawHeadline();
3717
3718   DrawTextSCentered(ystart, font_title, "Version Information:");
3719   ystart += ystep_title;
3720
3721   DrawTextF(xstart1, ystart, font_head, "Name");
3722   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3723   ystart += ystep_line;
3724
3725   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3726   {
3727     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3728     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3729     ystart += ystep_line;
3730
3731     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3732     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3733     ystart += ystep_line;
3734   }
3735   else
3736   {
3737     DrawTextF(xstart1, ystart, font_head, "Version");
3738     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3739     ystart += ystep_line;
3740   }
3741
3742   DrawTextF(xstart1, ystart, font_head, "Platform");
3743   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3744             PLATFORM_STRING,
3745             PLATFORM_XX_BIT_STRING);
3746   ystart += ystep_line;
3747
3748   DrawTextF(xstart1, ystart, font_head, "Target");
3749   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3750   ystart += ystep_line;
3751
3752   DrawTextF(xstart1, ystart, font_head, "Source date");
3753   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3754   ystart += ystep_line;
3755
3756   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3757   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3758   ystart += ystep_para;
3759
3760   DrawTextF(xstart1, ystart, font_head, "Library");
3761   DrawTextF(xstart2, ystart, font_head, "compiled");
3762   DrawTextF(xstart3, ystart, font_head, "linked");
3763   ystart += ystep_head;
3764
3765   SDL_VERSION(&sdl_version_compiled);
3766   SDL_GetVersion(&sdl_version_linked_ext);
3767   sdl_version_linked = &sdl_version_linked_ext;
3768
3769   DrawTextF(xstart1, ystart, font_text, "SDL");
3770   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3771             sdl_version_compiled.major,
3772             sdl_version_compiled.minor,
3773             sdl_version_compiled.patch);
3774   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3775             sdl_version_linked->major,
3776             sdl_version_linked->minor,
3777             sdl_version_linked->patch);
3778   ystart += ystep_line;
3779
3780   SDL_IMAGE_VERSION(&sdl_version_compiled);
3781   sdl_version_linked = IMG_Linked_Version();
3782
3783   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3784   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3785             sdl_version_compiled.major,
3786             sdl_version_compiled.minor,
3787             sdl_version_compiled.patch);
3788   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3789             sdl_version_linked->major,
3790             sdl_version_linked->minor,
3791             sdl_version_linked->patch);
3792   ystart += ystep_line;
3793
3794   SDL_MIXER_VERSION(&sdl_version_compiled);
3795   sdl_version_linked = Mix_Linked_Version();
3796
3797   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3798   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3799             sdl_version_compiled.major,
3800             sdl_version_compiled.minor,
3801             sdl_version_compiled.patch);
3802   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3803             sdl_version_linked->major,
3804             sdl_version_linked->minor,
3805             sdl_version_linked->patch);
3806   ystart += ystep_line;
3807
3808   SDL_NET_VERSION(&sdl_version_compiled);
3809   sdl_version_linked = SDLNet_Linked_Version();
3810
3811   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3812   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3813             sdl_version_compiled.major,
3814             sdl_version_compiled.minor,
3815             sdl_version_compiled.patch);
3816   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3817             sdl_version_linked->major,
3818             sdl_version_linked->minor,
3819             sdl_version_linked->patch);
3820   ystart += ystep_para;
3821
3822   DrawTextF(xstart1, ystart, font_head, "Driver");
3823   DrawTextF(xstart2, ystart, font_head, "Requested");
3824   DrawTextF(xstart3, ystart, font_head, "Used");
3825   ystart += ystep_head;
3826
3827   driver_name =
3828     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3829
3830   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3831   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3832   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3833   ystart += ystep_line;
3834
3835   driver_name =
3836     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3837
3838   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3839   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3840   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3841   ystart += ystep_line;
3842
3843   driver_name =
3844     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3845
3846   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3847   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3848   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3849
3850   DrawTextSCentered(ybottom, font_foot,
3851                     "Press any key or button for info menu");
3852
3853   FadeIn(REDRAW_FIELD);
3854 }
3855
3856 void HandleInfoScreen_Version(int button)
3857 {
3858   if (button == MB_MENU_LEAVE)
3859   {
3860     PlaySound(SND_MENU_ITEM_SELECTING);
3861
3862     info_mode = INFO_MODE_MAIN;
3863     DrawInfoScreen();
3864
3865     return;
3866   }
3867   else if (button == MB_MENU_CHOICE)
3868   {
3869     PlaySound(SND_MENU_ITEM_SELECTING);
3870
3871     FadeMenuSoundsAndMusic();
3872
3873     info_mode = INFO_MODE_MAIN;
3874     DrawInfoScreen();
3875   }
3876   else
3877   {
3878     PlayMenuSoundIfLoop();
3879   }
3880 }
3881
3882 static void DrawInfoScreen_LevelSet(void)
3883 {
3884   struct TitleMessageInfo *tmi = &readme;
3885   char *filename = getLevelSetInfoFilename();
3886   char *title = "Level Set Information:";
3887   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3888   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3889
3890   if (filename == NULL)
3891   {
3892     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3893
3894     return;
3895   }
3896
3897   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3898
3899   FadeOut(REDRAW_FIELD);
3900
3901   ClearField();
3902   DrawHeadline();
3903
3904   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3905
3906   // if x position set to "-1", automatically determine by playfield width
3907   if (tmi->x == -1)
3908     tmi->x = SXSIZE / 2;
3909
3910   // if y position set to "-1", use static default value
3911   if (tmi->y == -1)
3912     tmi->y = 150;
3913
3914   // if width set to "-1", automatically determine by playfield width
3915   if (tmi->width == -1)
3916     tmi->width = SXSIZE - 2 * TILEX;
3917
3918   // if height set to "-1", automatically determine by playfield height
3919   if (tmi->height == -1)
3920     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3921
3922   // if chars set to "-1", automatically determine by text and font width
3923   if (tmi->chars == -1)
3924     tmi->chars = tmi->width / getFontWidth(tmi->font);
3925   else
3926     tmi->width = tmi->chars * getFontWidth(tmi->font);
3927
3928   // if lines set to "-1", automatically determine by text and font height
3929   if (tmi->lines == -1)
3930     tmi->lines = tmi->height / getFontHeight(tmi->font);
3931   else
3932     tmi->height = tmi->lines * getFontHeight(tmi->font);
3933
3934   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3935                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3936                tmi->autowrap, tmi->centered, tmi->parse_comments);
3937
3938   DrawTextSCentered(ybottom, FONT_TEXT_4,
3939                     "Press any key or button for info menu");
3940
3941   FadeIn(REDRAW_FIELD);
3942 }
3943
3944 static void HandleInfoScreen_LevelSet(int button)
3945 {
3946   if (button == MB_MENU_LEAVE)
3947   {
3948     PlaySound(SND_MENU_ITEM_SELECTING);
3949
3950     info_mode = INFO_MODE_MAIN;
3951     DrawInfoScreen();
3952
3953     return;
3954   }
3955   else if (button == MB_MENU_CHOICE)
3956   {
3957     PlaySound(SND_MENU_ITEM_SELECTING);
3958
3959     FadeMenuSoundsAndMusic();
3960
3961     info_mode = INFO_MODE_MAIN;
3962     DrawInfoScreen();
3963   }
3964   else
3965   {
3966     PlayMenuSoundIfLoop();
3967   }
3968 }
3969
3970 static void DrawInfoScreen(void)
3971 {
3972   if (info_mode == INFO_MODE_TITLE)
3973     DrawInfoScreen_TitleScreen();
3974   else if (info_mode == INFO_MODE_ELEMENTS)
3975     DrawInfoScreen_Elements();
3976   else if (info_mode == INFO_MODE_MUSIC)
3977     DrawInfoScreen_Music();
3978   else if (info_mode == INFO_MODE_CREDITS)
3979     DrawInfoScreen_Credits();
3980   else if (info_mode == INFO_MODE_PROGRAM)
3981     DrawInfoScreen_Program();
3982   else if (info_mode == INFO_MODE_VERSION)
3983     DrawInfoScreen_Version();
3984   else if (info_mode == INFO_MODE_LEVELSET)
3985     DrawInfoScreen_LevelSet();
3986   else
3987     DrawInfoScreen_Main();
3988
3989   if (info_mode != INFO_MODE_MAIN &&
3990       info_mode != INFO_MODE_TITLE &&
3991       info_mode != INFO_MODE_MUSIC)
3992     PlayMenuSoundsAndMusic();
3993 }
3994
3995 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3996 {
3997   if (info_mode == INFO_MODE_TITLE)
3998     HandleInfoScreen_TitleScreen(button);
3999   else if (info_mode == INFO_MODE_ELEMENTS)
4000     HandleInfoScreen_Elements(button);
4001   else if (info_mode == INFO_MODE_MUSIC)
4002     HandleInfoScreen_Music(button);
4003   else if (info_mode == INFO_MODE_CREDITS)
4004     HandleInfoScreen_Credits(button);
4005   else if (info_mode == INFO_MODE_PROGRAM)
4006     HandleInfoScreen_Program(button);
4007   else if (info_mode == INFO_MODE_VERSION)
4008     HandleInfoScreen_Version(button);
4009   else if (info_mode == INFO_MODE_LEVELSET)
4010     HandleInfoScreen_LevelSet(button);
4011   else
4012     HandleInfoScreen_Main(mx, my, dx, dy, button);
4013 }
4014
4015
4016 // ============================================================================
4017 // type name functions
4018 // ============================================================================
4019
4020 static TreeInfo *type_name_node = NULL;
4021 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4022 static int type_name_nr = 0;
4023
4024 static int getPlayerNameColor(char *name)
4025 {
4026   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4027 }
4028
4029 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4030                               boolean active)
4031 {
4032   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4033   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4034   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4035   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4036   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4037   int font_width = getFontWidth(font_nr);
4038
4039   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4040
4041   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4042
4043   pos->width = strlen(text) * font_width;
4044   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4045
4046   DrawText(sx, sy, text, font_nr);
4047 }
4048
4049 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4050 {
4051   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4052
4053   *pos = *mci->pos_input;
4054
4055   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4056   {
4057     TreeInfo *ti = player_name_current;
4058     int first_entry = ti->cl_first;
4059     int entry_pos = first_entry + ti->cl_cursor;
4060     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4061     int xpos = MENU_SCREEN_START_XPOS;
4062     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4063
4064     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4065     type_name_nr = entry_pos;
4066
4067     strcpy(name, type_name_node->name);
4068
4069     pos->x = xpos * 32;
4070     pos->y = ypos * 32;
4071     pos->width = MAX_PLAYER_NAME_LEN * 32;
4072   }
4073   else
4074   {
4075     type_name_nr = user.nr;
4076
4077     strcpy(name, setup.player_name);
4078   }
4079
4080   strcpy(type_name_last, name);
4081
4082   if (strEqual(name, EMPTY_PLAYER_NAME))
4083     strcpy(name, "");
4084
4085   *xpos = strlen(name);
4086 }
4087
4088 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4089 {
4090   // change name of edited user in global list of user names
4091   setString(&global.user_names[type_name_nr], name);
4092
4093   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4094   {
4095     TreeInfo *node = type_name_node;
4096
4097     // change name of edited user in local menu tree structure
4098     setString(&node->name, name);
4099     setString(&node->name_sorting, name);
4100
4101     node->color = getPlayerNameColor(name);
4102     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4103   }
4104 }
4105
4106 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4107                               boolean changed)
4108 {
4109   boolean reset_setup = strEqual(name, "");
4110   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4111   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4112
4113   if (!changed)
4114     strcpy(name, type_name_last);
4115
4116   if (strEqual(name, ""))
4117     strcpy(name, EMPTY_PLAYER_NAME);
4118
4119   setTypeNameValues_Name(name, pos);
4120
4121   // if player name not changed, no further action required
4122   if (strEqual(name, type_name_last))
4123     return;
4124
4125   // redraw player name before (possibly) opening request dialogs
4126   drawTypeNameText(name, pos, FALSE);
4127
4128   int last_user_nr = user.nr;
4129
4130   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4131   {
4132     // save setup of currently active user (may differ from edited user)
4133     SaveSetup();
4134
4135     // temporarily change active user to edited user
4136     user.nr = type_name_nr;
4137
4138     // load setup of edited user (unless creating user with current setup)
4139     if (!create_user ||
4140         !Request("Use current setup values for the new player?", REQ_ASK))
4141       LoadSetup();
4142   }
4143
4144   char *setup_filename = getSetupFilename();
4145   boolean setup_exists = fileExists(setup_filename);
4146
4147   // change name of edited user in setup structure
4148   strcpy(setup.player_name, name);
4149
4150   // save setup of edited user
4151   SaveSetup();
4152
4153   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4154   {
4155     if (reset_setup)
4156     {
4157       if (Request("Reset setup values for this player?", REQ_ASK))
4158       {
4159         // remove setup config file
4160         unlink(setup_filename);
4161
4162         // set player name to default player name
4163         LoadSetup();
4164
4165         // update player name used by name typing functions
4166         strcpy(name, setup.player_name);
4167
4168         setTypeNameValues_Name(name, pos);
4169       }
4170     }
4171     else if (remove_user && type_name_nr != 0)
4172     {
4173       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4174       {
4175         char *user_dir = getUserGameDataDir();
4176         char *user_dir_removed =
4177           getStringCat3WithSeparator(user_dir, "REMOVED",
4178                                      getCurrentTimestamp(), ".");
4179
4180         if (rename(user_dir, user_dir_removed) != 0)
4181           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4182
4183         checked_free(user_dir_removed);
4184       }
4185     }
4186     else if (create_user && type_name_nr != 0 && !setup_exists)
4187     {
4188       if (Request("Create empty level set for the new player?", REQ_ASK))
4189       {
4190         char *levelset_subdir = getNewUserLevelSubdir();
4191
4192         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4193         {
4194           AddUserLevelSetToLevelInfo(levelset_subdir);
4195
4196           LevelDirTree *leveldir_current_last = leveldir_current;
4197
4198           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4199                                                        levelset_subdir);
4200
4201           // set level number of newly created level set to default value
4202           LoadLevelSetup_SeriesInfo();
4203
4204           // set newly created level set as current level set for new user
4205           SaveLevelSetup_LastSeries();
4206           SaveLevelSetup_SeriesInfo();
4207
4208           leveldir_current = leveldir_current_last;
4209         }
4210         else
4211         {
4212           Request("Creating new level set failed!", REQ_CONFIRM);
4213         }
4214       }
4215     }
4216
4217     // restore currently active user
4218     user.nr = last_user_nr;
4219
4220     // restore setup of currently active user
4221     LoadSetup();
4222
4223     // restore last level set of currently active user
4224     LoadLevelSetup_LastSeries();
4225     LoadLevelSetup_SeriesInfo();
4226   }
4227 }
4228
4229 static void HandleTypeNameExt(boolean initialize, Key key)
4230 {
4231   static struct TextPosInfo pos_name = { 0 };
4232   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4233   static int xpos = 0;
4234   struct TextPosInfo *pos = &pos_name;
4235   char key_char = getValidConfigValueChar(getCharFromKey(key));
4236   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4237   boolean active = TRUE;
4238
4239   if (initialize)
4240   {
4241     getTypeNameValues(name, pos, &xpos);
4242
4243     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4244     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4245
4246     StartTextInput(sx, sy, pos->width, pos->height);
4247   }
4248   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4249   {
4250     name[xpos] = key_char;
4251     name[xpos + 1] = 0;
4252
4253     xpos++;
4254   }
4255   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4256   {
4257     xpos--;
4258
4259     name[xpos] = 0;
4260   }
4261   else if (key == KSYM_Return || key == KSYM_Escape)
4262   {
4263     boolean changed = (key == KSYM_Return);
4264
4265     StopTextInput();
4266
4267     setTypeNameValues(name, pos, changed);
4268
4269     active = FALSE;
4270   }
4271
4272   drawTypeNameText(name, pos, active);
4273
4274   if (!active)
4275   {
4276     SetGameStatus(game_status_last_screen);
4277
4278     if (game_status == GAME_MODE_MAIN)
4279       InitializeMainControls();
4280   }
4281 }
4282
4283 static void DrawTypeName(void)
4284 {
4285   HandleTypeNameExt(TRUE, 0);
4286 }
4287
4288 void HandleTypeName(Key key)
4289 {
4290   HandleTypeNameExt(FALSE, key);
4291 }
4292
4293
4294 // ============================================================================
4295 // tree menu functions
4296 // ============================================================================
4297
4298 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4299 {
4300   if (game_status != GAME_MODE_SETUP ||
4301       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4302     return 0;
4303
4304   int max_text_size = 0;
4305   TreeInfo *node;
4306
4307   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4308     max_text_size = MAX(max_text_size, strlen(node->name));
4309
4310   int num_entries = numTreeInfoInGroup(ti);
4311   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4312   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4313   int text_width = max_text_size * getFontWidth(font_nr);
4314   int button_width = SC_MENUBUTTON_XSIZE;
4315   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4316   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4317   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4318   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4319   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4320   int align_xoffset = MAX(0, align_xoffset_raw);
4321
4322   return align_xoffset;
4323 }
4324
4325 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4326 {
4327   if (game_status != GAME_MODE_SETUP ||
4328       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4329     return 0;
4330
4331   int num_entries = numTreeInfoInGroup(ti);
4332   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4333   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4334   int font_height = getFontHeight(font_nr);
4335   int text_height = font_height * num_page_entries;
4336   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4337   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4338   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4339   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4340   int align_yoffset = MAX(0, align_yoffset_raw);
4341
4342   return align_yoffset;
4343 }
4344
4345 static void DrawChooseTree(TreeInfo **ti_ptr)
4346 {
4347   int fade_mask = REDRAW_FIELD;
4348
4349   if (CheckFadeAll())
4350     fade_mask = REDRAW_ALL;
4351
4352   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4353   {
4354     SetGameStatus(GAME_MODE_MAIN);
4355
4356     DrawMainMenu();
4357
4358     return;
4359   }
4360
4361   UnmapAllGadgets();
4362
4363   FreeScreenGadgets();
4364   CreateScreenGadgets();
4365
4366   FadeOut(fade_mask);
4367
4368   // needed if different viewport properties defined for choosing level (set)
4369   ChangeViewportPropertiesIfNeeded();
4370
4371   if (game_status == GAME_MODE_NAMES)
4372     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4373   else if (game_status == GAME_MODE_LEVELNR)
4374     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4375   else if (game_status == GAME_MODE_LEVELS)
4376     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4377
4378   ClearField();
4379
4380   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4381
4382   MapScreenTreeGadgets(*ti_ptr);
4383   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4384
4385   DrawMaskedBorder(fade_mask);
4386
4387   FadeIn(fade_mask);
4388 }
4389
4390 static void drawChooseTreeList(int first_entry, int num_page_entries,
4391                                TreeInfo *ti)
4392 {
4393   int num_entries = numTreeInfoInGroup(ti);
4394   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4395   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4396   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4397   int i;
4398   char *title_string = NULL;
4399   int yoffset_sets = MENU_TITLE1_YPOS;
4400   int yoffset_setup = 16;
4401   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4402                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4403
4404   title_string = ti->infotext;
4405
4406   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4407
4408   clearMenuListArea();
4409
4410   for (i = 0; i < num_page_entries; i++)
4411   {
4412     TreeInfo *node, *node_first;
4413     int entry_pos = first_entry + i;
4414
4415     node_first = getTreeInfoFirstGroupEntry(ti);
4416     node = getTreeInfoFromPos(node_first, entry_pos);
4417
4418     int font_nr = MENU_CHOOSE_TREE_FONT(node->color);
4419     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4420     int xpos = MENU_SCREEN_START_XPOS;
4421     int ypos = MENU_SCREEN_START_YPOS + i;
4422     int startx = amSX + xpos * 32;
4423     int starty = amSY + ypos * 32;
4424     int startx_text = startx + font_xoffset;
4425     int endx_text = amSX + screen_width;
4426     int max_text_size = endx_text - startx_text;
4427     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4428     char buffer[max_buffer_len + 1];
4429
4430     strncpy(buffer, node->name, max_buffer_len);
4431     buffer[max_buffer_len] = '\0';
4432
4433     DrawText(startx, starty, buffer, font_nr);
4434
4435     if (node->parent_link)
4436       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4437     else if (node->level_group)
4438       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4439     else
4440       initCursor(i, IMG_MENU_BUTTON);
4441
4442     if (game_status == GAME_MODE_NAMES)
4443       drawChooseTreeEdit(i, FALSE);
4444   }
4445
4446   redraw_mask |= REDRAW_FIELD;
4447 }
4448
4449 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4450 {
4451   TreeInfo *node, *node_first;
4452   int x, last_redraw_mask = redraw_mask;
4453   int ypos = MENU_TITLE2_YPOS;
4454   int font_nr = FONT_TITLE_2;
4455
4456   if (ti->type == TREE_TYPE_LEVEL_NR)
4457     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4458
4459   if (ti->type != TREE_TYPE_LEVEL_DIR)
4460     return;
4461
4462   node_first = getTreeInfoFirstGroupEntry(ti);
4463   node = getTreeInfoFromPos(node_first, entry_pos);
4464
4465   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4466
4467   if (node->parent_link)
4468     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4469                       node->node_parent->name);
4470   else if (node->level_group)
4471     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4472                       node->name);
4473   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4474     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4475                       node->levels, (node->levels > 1 ? "levels" : "level"),
4476                       node->class_desc);
4477
4478   // let BackToFront() redraw only what is needed
4479   redraw_mask = last_redraw_mask;
4480   for (x = 0; x < SCR_FIELDX; x++)
4481     MarkTileDirty(x, 1);
4482 }
4483
4484 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4485                              TreeInfo **ti_ptr)
4486 {
4487   TreeInfo *ti = *ti_ptr;
4488   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4489   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4490   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4491   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4492   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4493   int x = 0;
4494   int y = ti->cl_cursor;
4495   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4496   int num_entries = numTreeInfoInGroup(ti);
4497   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4498   boolean position_set_by_scrollbar = (dx == 999);
4499
4500   if (button == MB_MENU_INITIALIZE)
4501   {
4502     int num_entries = numTreeInfoInGroup(ti);
4503     int entry_pos = getPosFromTreeInfo(ti);
4504
4505     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4506     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4507
4508     if (ti->cl_first == -1)
4509     {
4510       // only on initialization
4511       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4512       ti->cl_cursor = entry_pos - ti->cl_first;
4513     }
4514     else if (ti->cl_cursor >= num_page_entries ||
4515              (num_entries > num_page_entries &&
4516               num_entries - ti->cl_first < num_page_entries))
4517     {
4518       // only after change of list size (by custom graphic configuration)
4519       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4520       ti->cl_cursor = entry_pos - ti->cl_first;
4521     }
4522
4523     if (position_set_by_scrollbar)
4524       ti->cl_first = dy;
4525     else
4526       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4527                                 ti->cl_first, ti);
4528
4529     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4530     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4531     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4532
4533     return;
4534   }
4535   else if (button == MB_MENU_LEAVE)
4536   {
4537     FadeSetLeaveMenu();
4538
4539     PlaySound(SND_MENU_ITEM_SELECTING);
4540
4541     if (ti->node_parent)
4542     {
4543       *ti_ptr = ti->node_parent;
4544       DrawChooseTree(ti_ptr);
4545     }
4546     else if (game_status == GAME_MODE_SETUP)
4547     {
4548       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4549           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4550           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4551         execSetupGame();
4552       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4553                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4554                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4555                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4556         execSetupGraphics();
4557       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4558                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4559                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4560         execSetupSound();
4561       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4562                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4563                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4564                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4565                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4566                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4567                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4568                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4569         execSetupTouch();
4570       else
4571         execSetupArtwork();
4572     }
4573     else
4574     {
4575       if (game_status == GAME_MODE_LEVELNR)
4576       {
4577         int new_level_nr = atoi(level_number_current->identifier);
4578
4579         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4580       }
4581
4582       SetGameStatus(GAME_MODE_MAIN);
4583
4584       DrawMainMenu();
4585     }
4586
4587     return;
4588   }
4589
4590   if (mx || my)         // mouse input
4591   {
4592     x = (mx - amSX) / 32;
4593     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4594
4595     if (game_status == GAME_MODE_NAMES)
4596       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4597   }
4598   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4599   {
4600     // move cursor instead of scrolling when already at start/end of list
4601     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4602       dy = -1;
4603     else if (dy == +1 * SCROLL_LINE &&
4604              ti->cl_first + num_page_entries == num_entries)
4605       dy = 1;
4606
4607     // handle scrolling screen one line or page
4608     if (ti->cl_cursor + dy < 0 ||
4609         ti->cl_cursor + dy > num_page_entries - 1)
4610     {
4611       boolean redraw = FALSE;
4612
4613       if (ABS(dy) == SCROLL_PAGE)
4614         step = num_page_entries - 1;
4615
4616       if (dy < 0 && ti->cl_first > 0)
4617       {
4618         // scroll page/line up
4619
4620         ti->cl_first -= step;
4621         if (ti->cl_first < 0)
4622           ti->cl_first = 0;
4623
4624         redraw = TRUE;
4625       }
4626       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4627       {
4628         // scroll page/line down
4629
4630         ti->cl_first += step;
4631         if (ti->cl_first + num_page_entries > num_entries)
4632           ti->cl_first = MAX(0, num_entries - num_page_entries);
4633
4634         redraw = TRUE;
4635       }
4636
4637       if (redraw)
4638       {
4639         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4640         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4641         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4642
4643         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4644                                   ti->cl_first, ti);
4645       }
4646
4647       return;
4648     }
4649
4650     // handle moving cursor one line
4651     y = ti->cl_cursor + dy;
4652   }
4653
4654   if (dx == 1)
4655   {
4656     TreeInfo *node_first, *node_cursor;
4657     int entry_pos = ti->cl_first + y;
4658
4659     node_first = getTreeInfoFirstGroupEntry(ti);
4660     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4661
4662     if (node_cursor->node_group)
4663     {
4664       FadeSetEnterMenu();
4665
4666       PlaySound(SND_MENU_ITEM_SELECTING);
4667
4668       node_cursor->cl_first = ti->cl_first;
4669       node_cursor->cl_cursor = ti->cl_cursor;
4670       *ti_ptr = node_cursor->node_group;
4671       DrawChooseTree(ti_ptr);
4672
4673       return;
4674     }
4675   }
4676   else if (dx == -1 && ti->node_parent)
4677   {
4678     FadeSetLeaveMenu();
4679
4680     PlaySound(SND_MENU_ITEM_SELECTING);
4681
4682     *ti_ptr = ti->node_parent;
4683     DrawChooseTree(ti_ptr);
4684
4685     return;
4686   }
4687
4688   if (!anyScrollbarGadgetActive() &&
4689       IN_VIS_MENU(x, y) &&
4690       mx < mx_right_border &&
4691       y >= 0 && y < num_page_entries)
4692   {
4693     if (button)
4694     {
4695       if (game_status == GAME_MODE_NAMES)
4696       {
4697         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4698           drawChooseTreeEdit(y, TRUE);
4699       }
4700
4701       if (y != ti->cl_cursor)
4702       {
4703         PlaySound(SND_MENU_ITEM_ACTIVATING);
4704
4705         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4706         drawChooseTreeCursor(y, TRUE);
4707         drawChooseTreeInfo(ti->cl_first + y, ti);
4708
4709         ti->cl_cursor = y;
4710       }
4711       else if (dx < 0)
4712       {
4713         if (game_status == GAME_MODE_SETUP)
4714         {
4715           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4716               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4717               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4718             execSetupGame();
4719           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4720                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4721                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4722                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4723             execSetupGraphics();
4724           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4725                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4726                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4727             execSetupSound();
4728           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4729                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4730                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4731                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4732                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4733                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4734                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4735                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4736             execSetupTouch();
4737           else
4738             execSetupArtwork();
4739         }
4740       }
4741     }
4742     else
4743     {
4744       TreeInfo *node_first, *node_cursor;
4745       int entry_pos = ti->cl_first + y;
4746
4747       PlaySound(SND_MENU_ITEM_SELECTING);
4748
4749       node_first = getTreeInfoFirstGroupEntry(ti);
4750       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4751
4752       if (node_cursor->node_group)
4753       {
4754         FadeSetEnterMenu();
4755
4756         node_cursor->cl_first = ti->cl_first;
4757         node_cursor->cl_cursor = ti->cl_cursor;
4758         *ti_ptr = node_cursor->node_group;
4759         DrawChooseTree(ti_ptr);
4760       }
4761       else if (node_cursor->parent_link)
4762       {
4763         FadeSetLeaveMenu();
4764
4765         *ti_ptr = node_cursor->node_parent;
4766         DrawChooseTree(ti_ptr);
4767       }
4768       else
4769       {
4770         FadeSetEnterMenu();
4771
4772         node_cursor->cl_first = ti->cl_first;
4773         node_cursor->cl_cursor = ti->cl_cursor;
4774         *ti_ptr = node_cursor;
4775
4776         if (ti->type == TREE_TYPE_LEVEL_DIR)
4777         {
4778           LoadLevelSetup_SeriesInfo();
4779
4780           SaveLevelSetup_LastSeries();
4781           SaveLevelSetup_SeriesInfo();
4782           TapeErase();
4783         }
4784
4785         if (game_status == GAME_MODE_SETUP)
4786         {
4787           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4788               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4789               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4790             execSetupGame();
4791           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4792                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4793                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4794                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4795             execSetupGraphics();
4796           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4797                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4798                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4799             execSetupSound();
4800           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4801                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4802                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4803                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4804                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4805                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4806                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4807                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4808             execSetupTouch();
4809           else
4810             execSetupArtwork();
4811         }
4812         else
4813         {
4814           if (game_status == GAME_MODE_LEVELNR)
4815           {
4816             int new_level_nr = atoi(level_number_current->identifier);
4817
4818             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4819           }
4820           else if (game_status == GAME_MODE_NAMES)
4821           {
4822             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4823             {
4824               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4825
4826               DrawTypeName();
4827
4828               return;
4829             }
4830
4831             // change active user to selected user
4832             user.nr = entry_pos;
4833
4834             // save number of new active user
4835             SaveUserSetup();
4836
4837             // load setup of new active user
4838             LoadSetup();
4839
4840             // load last level set of new active user
4841             LoadLevelSetup_LastSeries();
4842             LoadLevelSetup_SeriesInfo();
4843
4844             TapeErase();
4845
4846             ToggleFullscreenIfNeeded();
4847             ChangeWindowScalingIfNeeded();
4848
4849             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4850             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4851             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4852           }
4853
4854           SetGameStatus(GAME_MODE_MAIN);
4855
4856           DrawMainMenu();
4857         }
4858       }
4859     }
4860   }
4861 }
4862
4863 void DrawChoosePlayerName(void)
4864 {
4865   int i;
4866
4867   FadeMenuSoundsAndMusic();
4868
4869   if (player_name != NULL)
4870   {
4871     freeTreeInfo(player_name);
4872
4873     player_name = NULL;
4874   }
4875
4876   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4877   {
4878     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
4879     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4880     int value = i;
4881
4882     ti->node_top = &player_name;
4883     ti->sort_priority = 10000 + value;
4884     ti->color = getPlayerNameColor(global.user_names[i]);
4885
4886     snprintf(identifier, sizeof(identifier), "%d", value);
4887     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4888
4889     setString(&ti->identifier, identifier);
4890     setString(&ti->name, name);
4891     setString(&ti->name_sorting, name);
4892
4893     pushTreeInfo(&player_name, ti);
4894   }
4895
4896   // sort player entries by player number
4897   sortTreeInfo(&player_name);
4898
4899   // set current player entry to selected player entry
4900   player_name_current =
4901     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4902
4903   // if that fails, set current player name to first available name
4904   if (player_name_current == NULL)
4905     player_name_current = player_name;
4906
4907   DrawChooseTree(&player_name_current);
4908
4909   PlayMenuSoundsAndMusic();
4910 }
4911
4912 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4913 {
4914   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4915 }
4916
4917 void DrawChooseLevelSet(void)
4918 {
4919   FadeMenuSoundsAndMusic();
4920
4921   DrawChooseTree(&leveldir_current);
4922
4923   PlayMenuSoundsAndMusic();
4924 }
4925
4926 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4927 {
4928   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4929 }
4930
4931 void DrawChooseLevelNr(void)
4932 {
4933   int i;
4934
4935   FadeMenuSoundsAndMusic();
4936
4937   if (level_number != NULL)
4938   {
4939     freeTreeInfo(level_number);
4940
4941     level_number = NULL;
4942   }
4943
4944   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4945   {
4946     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4947     char identifier[32], name[64];
4948     int value = i;
4949
4950     // temporarily load level info to get level name
4951     LoadLevelInfoOnly(i);
4952
4953     ti->node_top = &level_number;
4954     ti->sort_priority = 10000 + value;
4955     ti->color = (level.no_level_file ? FC_BLUE :
4956                  LevelStats_getSolved(i) ? FC_GREEN :
4957                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4958
4959     snprintf(identifier, sizeof(identifier), "%d", value);
4960     snprintf(name, sizeof(name), "%03d: %s", value,
4961              (level.no_level_file ? "(no file)" : level.name));
4962
4963     setString(&ti->identifier, identifier);
4964     setString(&ti->name, name);
4965     setString(&ti->name_sorting, name);
4966
4967     pushTreeInfo(&level_number, ti);
4968   }
4969
4970   // sort level number values to start with lowest level number
4971   sortTreeInfo(&level_number);
4972
4973   // set current level number to current level number
4974   level_number_current =
4975     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4976
4977   // if that also fails, set current level number to first available level
4978   if (level_number_current == NULL)
4979     level_number_current = level_number;
4980
4981   DrawChooseTree(&level_number_current);
4982
4983   PlayMenuSoundsAndMusic();
4984 }
4985
4986 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4987 {
4988   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4989 }
4990
4991 void DrawHallOfFame(int level_nr, int highlight_position)
4992 {
4993   int fade_mask = REDRAW_FIELD;
4994
4995   if (CheckFadeAll())
4996     fade_mask = REDRAW_ALL;
4997
4998   UnmapAllGadgets();
4999   FadeMenuSoundsAndMusic();
5000
5001   // (this is needed when called from GameEnd() after winning a game)
5002   KeyboardAutoRepeatOn();
5003
5004   // (this is needed when called from GameEnd() after winning a game)
5005   SetDrawDeactivationMask(REDRAW_NONE);
5006   SetDrawBackgroundMask(REDRAW_FIELD);
5007
5008   if (highlight_position < 0)
5009     LoadScore(level_nr);
5010   else
5011     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5012
5013   FadeSetEnterScreen();
5014
5015   FadeOut(fade_mask);
5016
5017   // needed if different viewport properties defined for scores
5018   ChangeViewportPropertiesIfNeeded();
5019
5020   PlayMenuSoundsAndMusic();
5021
5022   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5023
5024   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
5025
5026   DrawMaskedBorder(fade_mask);
5027
5028   FadeIn(fade_mask);
5029 }
5030
5031 static void drawHallOfFameList(int level_nr, int first_entry,
5032                                int highlight_position)
5033 {
5034   int i, j;
5035
5036   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5037   ClearField();
5038
5039   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5040   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5041                     "HighScores of Level %d", level_nr);
5042
5043   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5044   {
5045     int entry = first_entry + i;
5046     boolean active = (entry == highlight_position);
5047     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5048     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5049     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5050     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5051     int dxoff = getFontDrawOffsetX(font_nr1);
5052     int dx1 = 3 * getFontWidth(font_nr1);
5053     int dx2 = dx1 + getFontWidth(font_nr1);
5054     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5055     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5056     int sy = mSY + 64 + i * 32;
5057
5058     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5059     DrawText(mSX + dx1, sy, ".", font_nr1);
5060
5061     for (j = 0; j < num_dots; j++)
5062       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5063
5064     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5065       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5066
5067     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5068   }
5069
5070   redraw_mask |= REDRAW_FIELD;
5071 }
5072
5073 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5074 {
5075   static int level_nr = 0;
5076   static int first_entry = 0;
5077   static int highlight_position = 0;
5078   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5079
5080   if (button == MB_MENU_INITIALIZE)
5081   {
5082     level_nr = mx;
5083     first_entry = 0;
5084     highlight_position = my;
5085
5086     drawHallOfFameList(level_nr, first_entry, highlight_position);
5087
5088     return;
5089   }
5090
5091   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5092     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5093
5094   if (dy < 0)
5095   {
5096     if (first_entry > 0)
5097     {
5098       first_entry -= step;
5099       if (first_entry < 0)
5100         first_entry = 0;
5101
5102       drawHallOfFameList(level_nr, first_entry, highlight_position);
5103     }
5104   }
5105   else if (dy > 0)
5106   {
5107     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5108     {
5109       first_entry += step;
5110       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5111         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5112
5113       drawHallOfFameList(level_nr, first_entry, highlight_position);
5114     }
5115   }
5116   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5117   {
5118     PlaySound(SND_MENU_ITEM_SELECTING);
5119
5120     FadeSound(SND_BACKGROUND_SCORES);
5121
5122     if (button == MB_MENU_CHOICE &&
5123         game_status_last_screen == GAME_MODE_PLAYING &&
5124         setup.auto_play_next_level && setup.increment_levels &&
5125         level_nr < leveldir_current->last_level &&
5126         !network_playing)
5127     {
5128       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5129     }
5130     else
5131     {
5132       SetGameStatus(GAME_MODE_MAIN);
5133
5134       DrawMainMenu();
5135     }
5136   }
5137
5138   if (game_status == GAME_MODE_SCORES)
5139     PlayMenuSoundIfLoop();
5140 }
5141
5142
5143 // ============================================================================
5144 // setup screen functions
5145 // ============================================================================
5146
5147 static struct TokenInfo *setup_info;
5148 static int num_setup_info;      // number of setup entries shown on screen
5149 static int max_setup_info;      // total number of setup entries in list
5150
5151 static char *window_size_text;
5152 static char *scaling_type_text;
5153 static char *rendering_mode_text;
5154 static char *vsync_mode_text;
5155 static char *scroll_delay_text;
5156 static char *snapshot_mode_text;
5157 static char *game_speed_text;
5158 static char *network_server_text;
5159 static char *graphics_set_name;
5160 static char *sounds_set_name;
5161 static char *music_set_name;
5162 static char *volume_simple_text;
5163 static char *volume_loops_text;
5164 static char *volume_music_text;
5165 static char *touch_controls_text;
5166 static char *move_distance_text;
5167 static char *drop_distance_text;
5168 static char *transparency_text;
5169 static char *grid_size_text[2][2];
5170
5171 static void execSetupMain(void)
5172 {
5173   setup_mode = SETUP_MODE_MAIN;
5174
5175   DrawSetupScreen();
5176 }
5177
5178 static void execSetupGame_setGameSpeeds(boolean update_value)
5179 {
5180   if (setup.game_speed_extended)
5181   {
5182     game_speeds_list = game_speeds_list_extended;
5183     game_speeds      = game_speeds_extended;
5184   }
5185   else
5186   {
5187     game_speeds_list = game_speeds_list_normal;
5188     game_speeds      = game_speeds_normal;
5189   }
5190
5191   if (game_speeds == NULL)
5192   {
5193     int i;
5194
5195     for (i = 0; game_speeds_list[i].value != -1; i++)
5196     {
5197       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5198       char identifier[32], name[32];
5199       int value = game_speeds_list[i].value;
5200       char *text = game_speeds_list[i].text;
5201
5202       ti->node_top = &game_speeds;
5203       ti->sort_priority = 10000 - value;
5204
5205       sprintf(identifier, "%d", value);
5206       sprintf(name, "%s", text);
5207
5208       setString(&ti->identifier, identifier);
5209       setString(&ti->name, name);
5210       setString(&ti->name_sorting, name);
5211       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5212
5213       pushTreeInfo(&game_speeds, ti);
5214     }
5215
5216     // sort game speed values to start with slowest game speed
5217     sortTreeInfo(&game_speeds);
5218
5219     update_value = TRUE;
5220   }
5221
5222   if (update_value)
5223   {
5224     // set current game speed to configured game speed value
5225     game_speed_current =
5226       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5227
5228     // if that fails, set current game speed to reliable default value
5229     if (game_speed_current == NULL)
5230       game_speed_current =
5231         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5232
5233     // if that also fails, set current game speed to first available speed
5234     if (game_speed_current == NULL)
5235       game_speed_current = game_speeds;
5236
5237     if (setup.game_speed_extended)
5238       game_speeds_extended = game_speeds;
5239     else
5240       game_speeds_normal = game_speeds;
5241   }
5242
5243   setup.game_frame_delay = atoi(game_speed_current->identifier);
5244
5245   // needed for displaying game speed text instead of identifier
5246   game_speed_text = game_speed_current->name;
5247 }
5248
5249 static void execSetupGame_setScrollDelays(void)
5250 {
5251   if (scroll_delays == NULL)
5252   {
5253     int i;
5254
5255     for (i = 0; scroll_delays_list[i].value != -1; i++)
5256     {
5257       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5258       char identifier[32], name[32];
5259       int value = scroll_delays_list[i].value;
5260       char *text = scroll_delays_list[i].text;
5261
5262       ti->node_top = &scroll_delays;
5263       ti->sort_priority = value;
5264
5265       sprintf(identifier, "%d", value);
5266       sprintf(name, "%s", text);
5267
5268       setString(&ti->identifier, identifier);
5269       setString(&ti->name, name);
5270       setString(&ti->name_sorting, name);
5271       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5272
5273       pushTreeInfo(&scroll_delays, ti);
5274     }
5275
5276     // sort scroll delay values to start with lowest scroll delay value
5277     sortTreeInfo(&scroll_delays);
5278
5279     // set current scroll delay value to configured scroll delay value
5280     scroll_delay_current =
5281       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5282
5283     // if that fails, set current scroll delay to reliable default value
5284     if (scroll_delay_current == NULL)
5285       scroll_delay_current =
5286         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5287
5288     // if that also fails, set current scroll delay to first available value
5289     if (scroll_delay_current == NULL)
5290       scroll_delay_current = scroll_delays;
5291   }
5292
5293   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5294
5295   // needed for displaying scroll delay text instead of identifier
5296   scroll_delay_text = scroll_delay_current->name;
5297 }
5298
5299 static void execSetupGame_setSnapshotModes(void)
5300 {
5301   if (snapshot_modes == NULL)
5302   {
5303     int i;
5304
5305     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5306     {
5307       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5308       char identifier[32], name[32];
5309       char *value = snapshot_modes_list[i].value;
5310       char *text = snapshot_modes_list[i].text;
5311
5312       ti->node_top = &snapshot_modes;
5313       ti->sort_priority = i;
5314
5315       sprintf(identifier, "%s", value);
5316       sprintf(name, "%s", text);
5317
5318       setString(&ti->identifier, identifier);
5319       setString(&ti->name, name);
5320       setString(&ti->name_sorting, name);
5321       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5322
5323       pushTreeInfo(&snapshot_modes, ti);
5324     }
5325
5326     // sort snapshot mode values to start with lowest snapshot mode value
5327     sortTreeInfo(&snapshot_modes);
5328
5329     // set current snapshot mode value to configured snapshot mode value
5330     snapshot_mode_current =
5331       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5332
5333     // if that fails, set current snapshot mode to reliable default value
5334     if (snapshot_mode_current == NULL)
5335       snapshot_mode_current =
5336         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5337
5338     // if that also fails, set current snapshot mode to first available value
5339     if (snapshot_mode_current == NULL)
5340       snapshot_mode_current = snapshot_modes;
5341   }
5342
5343   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5344
5345   // needed for displaying snapshot mode text instead of identifier
5346   snapshot_mode_text = snapshot_mode_current->name;
5347 }
5348
5349 static void execSetupGame_setNetworkServerText(void)
5350 {
5351   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5352   {
5353     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5354   }
5355   else
5356   {
5357     strncpy(network_server_hostname, setup.network_server_hostname,
5358             MAX_SETUP_TEXT_INPUT_LEN);
5359     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5360   }
5361
5362   // needed for displaying network server text instead of identifier
5363   network_server_text = network_server_hostname;
5364 }
5365
5366 static void execSetupGame(void)
5367 {
5368   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5369
5370   execSetupGame_setGameSpeeds(FALSE);
5371   execSetupGame_setScrollDelays();
5372   execSetupGame_setSnapshotModes();
5373
5374   execSetupGame_setNetworkServerText();
5375
5376   setup_mode = SETUP_MODE_GAME;
5377
5378   DrawSetupScreen();
5379
5380   // check if vsync needs to be disabled for this game speed to work
5381   if (check_vsync_mode)
5382     DisableVsyncIfNeeded();
5383 }
5384
5385 static void execSetupChooseGameSpeed(void)
5386 {
5387   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5388
5389   DrawSetupScreen();
5390 }
5391
5392 static void execSetupChooseScrollDelay(void)
5393 {
5394   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5395
5396   DrawSetupScreen();
5397 }
5398
5399 static void execSetupChooseSnapshotMode(void)
5400 {
5401   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5402
5403   DrawSetupScreen();
5404 }
5405
5406 static void execSetupEngines(void)
5407 {
5408   setup_mode = SETUP_MODE_ENGINES;
5409
5410   DrawSetupScreen();
5411 }
5412
5413 static void execSetupEditor(void)
5414 {
5415   setup_mode = SETUP_MODE_EDITOR;
5416
5417   DrawSetupScreen();
5418 }
5419
5420 static void execSetupGraphics_setWindowSizes(boolean update_list)
5421 {
5422   if (window_sizes != NULL && update_list)
5423   {
5424     freeTreeInfo(window_sizes);
5425
5426     window_sizes = NULL;
5427   }
5428
5429   if (window_sizes == NULL)
5430   {
5431     boolean current_window_size_found = FALSE;
5432     int i;
5433
5434     for (i = 0; window_sizes_list[i].value != -1; i++)
5435     {
5436       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5437       char identifier[32], name[32];
5438       int value = window_sizes_list[i].value;
5439       char *text = window_sizes_list[i].text;
5440
5441       ti->node_top = &window_sizes;
5442       ti->sort_priority = value;
5443
5444       sprintf(identifier, "%d", value);
5445       sprintf(name, "%s", text);
5446
5447       setString(&ti->identifier, identifier);
5448       setString(&ti->name, name);
5449       setString(&ti->name_sorting, name);
5450       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5451
5452       pushTreeInfo(&window_sizes, ti);
5453
5454       if (value == setup.window_scaling_percent)
5455         current_window_size_found = TRUE;
5456     }
5457
5458     if (!current_window_size_found)
5459     {
5460       // add entry for non-preset window scaling value
5461
5462       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5463       char identifier[32], name[32];
5464       int value = setup.window_scaling_percent;
5465
5466       ti->node_top = &window_sizes;
5467       ti->sort_priority = value;
5468
5469       sprintf(identifier, "%d", value);
5470       sprintf(name, "%d %% (Current)", value);
5471
5472       setString(&ti->identifier, identifier);
5473       setString(&ti->name, name);
5474       setString(&ti->name_sorting, name);
5475       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5476
5477       pushTreeInfo(&window_sizes, ti);
5478     }
5479
5480     // sort window size values to start with lowest window size value
5481     sortTreeInfo(&window_sizes);
5482
5483     // set current window size value to configured window size value
5484     window_size_current =
5485       getTreeInfoFromIdentifier(window_sizes,
5486                                 i_to_a(setup.window_scaling_percent));
5487
5488     // if that fails, set current window size to reliable default value
5489     if (window_size_current == NULL)
5490       window_size_current =
5491         getTreeInfoFromIdentifier(window_sizes,
5492                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5493
5494     // if that also fails, set current window size to first available value
5495     if (window_size_current == NULL)
5496       window_size_current = window_sizes;
5497   }
5498
5499   setup.window_scaling_percent = atoi(window_size_current->identifier);
5500
5501   // needed for displaying window size text instead of identifier
5502   window_size_text = window_size_current->name;
5503 }
5504
5505 static void execSetupGraphics_setScalingTypes(void)
5506 {
5507   if (scaling_types == NULL)
5508   {
5509     int i;
5510
5511     for (i = 0; scaling_types_list[i].value != NULL; i++)
5512     {
5513       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5514       char identifier[32], name[32];
5515       char *value = scaling_types_list[i].value;
5516       char *text = scaling_types_list[i].text;
5517
5518       ti->node_top = &scaling_types;
5519       ti->sort_priority = i;
5520
5521       sprintf(identifier, "%s", value);
5522       sprintf(name, "%s", text);
5523
5524       setString(&ti->identifier, identifier);
5525       setString(&ti->name, name);
5526       setString(&ti->name_sorting, name);
5527       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5528
5529       pushTreeInfo(&scaling_types, ti);
5530     }
5531
5532     // sort scaling type values to start with lowest scaling type value
5533     sortTreeInfo(&scaling_types);
5534
5535     // set current scaling type value to configured scaling type value
5536     scaling_type_current =
5537       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5538
5539     // if that fails, set current scaling type to reliable default value
5540     if (scaling_type_current == NULL)
5541       scaling_type_current =
5542         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5543
5544     // if that also fails, set current scaling type to first available value
5545     if (scaling_type_current == NULL)
5546       scaling_type_current = scaling_types;
5547   }
5548
5549   setup.window_scaling_quality = scaling_type_current->identifier;
5550
5551   // needed for displaying scaling type text instead of identifier
5552   scaling_type_text = scaling_type_current->name;
5553 }
5554
5555 static void execSetupGraphics_setRenderingModes(void)
5556 {
5557   if (rendering_modes == NULL)
5558   {
5559     int i;
5560
5561     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5562     {
5563       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5564       char identifier[32], name[32];
5565       char *value = rendering_modes_list[i].value;
5566       char *text = rendering_modes_list[i].text;
5567
5568       ti->node_top = &rendering_modes;
5569       ti->sort_priority = i;
5570
5571       sprintf(identifier, "%s", value);
5572       sprintf(name, "%s", text);
5573
5574       setString(&ti->identifier, identifier);
5575       setString(&ti->name, name);
5576       setString(&ti->name_sorting, name);
5577       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5578
5579       pushTreeInfo(&rendering_modes, ti);
5580     }
5581
5582     // sort rendering mode values to start with lowest rendering mode value
5583     sortTreeInfo(&rendering_modes);
5584
5585     // set current rendering mode value to configured rendering mode value
5586     rendering_mode_current =
5587       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5588
5589     // if that fails, set current rendering mode to reliable default value
5590     if (rendering_mode_current == NULL)
5591       rendering_mode_current =
5592         getTreeInfoFromIdentifier(rendering_modes,
5593                                   STR_SPECIAL_RENDERING_DEFAULT);
5594
5595     // if that also fails, set current rendering mode to first available one
5596     if (rendering_mode_current == NULL)
5597       rendering_mode_current = rendering_modes;
5598   }
5599
5600   setup.screen_rendering_mode = rendering_mode_current->identifier;
5601
5602   // needed for displaying rendering mode text instead of identifier
5603   rendering_mode_text = rendering_mode_current->name;
5604 }
5605
5606 static void execSetupGraphics_setVsyncModes(boolean update_value)
5607 {
5608   if (vsync_modes == NULL)
5609   {
5610     int i;
5611
5612     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5613     {
5614       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5615       char identifier[32], name[32];
5616       char *value = vsync_modes_list[i].value;
5617       char *text = vsync_modes_list[i].text;
5618
5619       ti->node_top = &vsync_modes;
5620       ti->sort_priority = i;
5621
5622       sprintf(identifier, "%s", value);
5623       sprintf(name, "%s", text);
5624
5625       setString(&ti->identifier, identifier);
5626       setString(&ti->name, name);
5627       setString(&ti->name_sorting, name);
5628       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5629
5630       pushTreeInfo(&vsync_modes, ti);
5631     }
5632
5633     // sort vsync mode values to start with lowest vsync mode value
5634     sortTreeInfo(&vsync_modes);
5635
5636     update_value = TRUE;
5637   }
5638
5639   if (update_value)
5640   {
5641     // set current vsync mode value to configured vsync mode value
5642     vsync_mode_current =
5643       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5644
5645     // if that fails, set current vsync mode to reliable default value
5646     if (vsync_mode_current == NULL)
5647       vsync_mode_current =
5648         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5649
5650     // if that also fails, set current vsync mode to first available one
5651     if (vsync_mode_current == NULL)
5652       vsync_mode_current = vsync_modes;
5653   }
5654
5655   setup.vsync_mode = vsync_mode_current->identifier;
5656
5657   // needed for displaying vsync mode text instead of identifier
5658   vsync_mode_text = vsync_mode_current->name;
5659 }
5660
5661 static void execSetupGraphics(void)
5662 {
5663   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5664
5665   // update "setup.window_scaling_percent" from list selection
5666   // (in this case, window scaling was changed on setup screen)
5667   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5668     execSetupGraphics_setWindowSizes(FALSE);
5669
5670   // update "setup.vsync_mode" from list selection
5671   // (in this case, vsync mode was changed on setup screen)
5672   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5673     execSetupGraphics_setVsyncModes(FALSE);
5674
5675   // update list selection from "setup.window_scaling_percent"
5676   // (window scaling may have changed by resizing the window)
5677   execSetupGraphics_setWindowSizes(TRUE);
5678
5679   // update list selection from "setup.vsync_mode"
5680   // (vsync_mode may have changed by re-creating the renderer)
5681   execSetupGraphics_setVsyncModes(TRUE);
5682
5683   execSetupGraphics_setScalingTypes();
5684   execSetupGraphics_setRenderingModes();
5685
5686   setup_mode = SETUP_MODE_GRAPHICS;
5687
5688   DrawSetupScreen();
5689
5690   // check if game speed is high enough for 60 Hz vsync to work
5691   if (check_game_speed)
5692     ModifyGameSpeedIfNeeded();
5693
5694   // window scaling may have changed at this point
5695   ChangeWindowScalingIfNeeded();
5696
5697   // window scaling quality may have changed at this point
5698   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5699     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5700
5701   // screen rendering mode may have changed at this point
5702   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5703
5704   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5705   int video_vsync_mode = video.vsync_mode;
5706
5707   // screen vsync mode may have changed at this point
5708   ChangeVsyncModeIfNeeded();
5709
5710   // check if setting vsync mode to selected value failed
5711   if (setup_vsync_mode != video_vsync_mode &&
5712       setup_vsync_mode != video.vsync_mode)
5713   {
5714     // changing vsync mode to selected value failed -- reset displayed value
5715     execSetupGraphics_setVsyncModes(TRUE);
5716
5717     Request("Setting VSync failed!", REQ_CONFIRM);
5718
5719     DrawSetupScreen();
5720   }
5721 }
5722
5723 static void execSetupChooseWindowSize(void)
5724 {
5725   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5726
5727   DrawSetupScreen();
5728 }
5729
5730 static void execSetupChooseScalingType(void)
5731 {
5732   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5733
5734   DrawSetupScreen();
5735 }
5736
5737 static void execSetupChooseRenderingMode(void)
5738 {
5739   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5740
5741   DrawSetupScreen();
5742 }
5743
5744 static void execSetupChooseVsyncMode(void)
5745 {
5746   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5747
5748   DrawSetupScreen();
5749 }
5750
5751 static void execSetupChooseVolumeSimple(void)
5752 {
5753   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5754
5755   DrawSetupScreen();
5756 }
5757
5758 static void execSetupChooseVolumeLoops(void)
5759 {
5760   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5761
5762   DrawSetupScreen();
5763 }
5764
5765 static void execSetupChooseVolumeMusic(void)
5766 {
5767   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5768
5769   DrawSetupScreen();
5770 }
5771
5772 static void execSetupSound(void)
5773 {
5774   if (volumes_simple == NULL)
5775   {
5776     boolean current_volume_simple_found = FALSE;
5777     int i;
5778
5779     for (i = 0; volumes_list[i].value != -1; i++)
5780     {
5781       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5782       char identifier[32], name[32];
5783       int value = volumes_list[i].value;
5784       char *text = volumes_list[i].text;
5785
5786       ti->node_top = &volumes_simple;
5787       ti->sort_priority = value;
5788
5789       sprintf(identifier, "%d", value);
5790       sprintf(name, "%s", text);
5791
5792       setString(&ti->identifier, identifier);
5793       setString(&ti->name, name);
5794       setString(&ti->name_sorting, name);
5795       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5796
5797       pushTreeInfo(&volumes_simple, ti);
5798
5799       if (value == setup.volume_simple)
5800         current_volume_simple_found = TRUE;
5801     }
5802
5803     if (!current_volume_simple_found)
5804     {
5805       // add entry for non-preset volume value
5806
5807       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5808       char identifier[32], name[32];
5809       int value = setup.volume_simple;
5810
5811       ti->node_top = &volumes_simple;
5812       ti->sort_priority = value;
5813
5814       sprintf(identifier, "%d", value);
5815       sprintf(name, "%d %% (Current)", value);
5816
5817       setString(&ti->identifier, identifier);
5818       setString(&ti->name, name);
5819       setString(&ti->name_sorting, name);
5820       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5821
5822       pushTreeInfo(&volumes_simple, ti);
5823     }
5824
5825     // sort volume values to start with lowest volume value
5826     sortTreeInfo(&volumes_simple);
5827
5828     // set current volume value to configured volume value
5829     volume_simple_current =
5830       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5831
5832     // if that fails, set current volume to reliable default value
5833     if (volume_simple_current == NULL)
5834       volume_simple_current =
5835         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5836
5837     // if that also fails, set current volume to first available value
5838     if (volume_simple_current == NULL)
5839       volume_simple_current = volumes_simple;
5840   }
5841
5842   if (volumes_loops == NULL)
5843   {
5844     boolean current_volume_loops_found = FALSE;
5845     int i;
5846
5847     for (i = 0; volumes_list[i].value != -1; i++)
5848     {
5849       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5850       char identifier[32], name[32];
5851       int value = volumes_list[i].value;
5852       char *text = volumes_list[i].text;
5853
5854       ti->node_top = &volumes_loops;
5855       ti->sort_priority = value;
5856
5857       sprintf(identifier, "%d", value);
5858       sprintf(name, "%s", text);
5859
5860       setString(&ti->identifier, identifier);
5861       setString(&ti->name, name);
5862       setString(&ti->name_sorting, name);
5863       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5864
5865       pushTreeInfo(&volumes_loops, ti);
5866
5867       if (value == setup.volume_loops)
5868         current_volume_loops_found = TRUE;
5869     }
5870
5871     if (!current_volume_loops_found)
5872     {
5873       // add entry for non-preset volume value
5874
5875       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5876       char identifier[32], name[32];
5877       int value = setup.volume_loops;
5878
5879       ti->node_top = &volumes_loops;
5880       ti->sort_priority = value;
5881
5882       sprintf(identifier, "%d", value);
5883       sprintf(name, "%d %% (Current)", value);
5884
5885       setString(&ti->identifier, identifier);
5886       setString(&ti->name, name);
5887       setString(&ti->name_sorting, name);
5888       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5889
5890       pushTreeInfo(&volumes_loops, ti);
5891     }
5892
5893     // sort volume values to start with lowest volume value
5894     sortTreeInfo(&volumes_loops);
5895
5896     // set current volume value to configured volume value
5897     volume_loops_current =
5898       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5899
5900     // if that fails, set current volume to reliable default value
5901     if (volume_loops_current == NULL)
5902       volume_loops_current =
5903         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5904
5905     // if that also fails, set current volume to first available value
5906     if (volume_loops_current == NULL)
5907       volume_loops_current = volumes_loops;
5908   }
5909
5910   if (volumes_music == NULL)
5911   {
5912     boolean current_volume_music_found = FALSE;
5913     int i;
5914
5915     for (i = 0; volumes_list[i].value != -1; i++)
5916     {
5917       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5918       char identifier[32], name[32];
5919       int value = volumes_list[i].value;
5920       char *text = volumes_list[i].text;
5921
5922       ti->node_top = &volumes_music;
5923       ti->sort_priority = value;
5924
5925       sprintf(identifier, "%d", value);
5926       sprintf(name, "%s", text);
5927
5928       setString(&ti->identifier, identifier);
5929       setString(&ti->name, name);
5930       setString(&ti->name_sorting, name);
5931       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5932
5933       pushTreeInfo(&volumes_music, ti);
5934
5935       if (value == setup.volume_music)
5936         current_volume_music_found = TRUE;
5937     }
5938
5939     if (!current_volume_music_found)
5940     {
5941       // add entry for non-preset volume value
5942
5943       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5944       char identifier[32], name[32];
5945       int value = setup.volume_music;
5946
5947       ti->node_top = &volumes_music;
5948       ti->sort_priority = value;
5949
5950       sprintf(identifier, "%d", value);
5951       sprintf(name, "%d %% (Current)", value);
5952
5953       setString(&ti->identifier, identifier);
5954       setString(&ti->name, name);
5955       setString(&ti->name_sorting, name);
5956       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5957
5958       pushTreeInfo(&volumes_music, ti);
5959     }
5960
5961     // sort volume values to start with lowest volume value
5962     sortTreeInfo(&volumes_music);
5963
5964     // set current volume value to configured volume value
5965     volume_music_current =
5966       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5967
5968     // if that fails, set current volume to reliable default value
5969     if (volume_music_current == NULL)
5970       volume_music_current =
5971         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5972
5973     // if that also fails, set current volume to first available value
5974     if (volume_music_current == NULL)
5975       volume_music_current = volumes_music;
5976   }
5977
5978   setup.volume_simple = atoi(volume_simple_current->identifier);
5979   setup.volume_loops  = atoi(volume_loops_current->identifier);
5980   setup.volume_music  = atoi(volume_music_current->identifier);
5981
5982   // needed for displaying volume text instead of identifier
5983   volume_simple_text = volume_simple_current->name;
5984   volume_loops_text = volume_loops_current->name;
5985   volume_music_text = volume_music_current->name;
5986
5987   setup_mode = SETUP_MODE_SOUND;
5988
5989   DrawSetupScreen();
5990 }
5991
5992 static void execSetupChooseTouchControls(void)
5993 {
5994   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5995
5996   DrawSetupScreen();
5997 }
5998
5999 static void execSetupChooseMoveDistance(void)
6000 {
6001   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6002
6003   DrawSetupScreen();
6004 }
6005
6006 static void execSetupChooseDropDistance(void)
6007 {
6008   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6009
6010   DrawSetupScreen();
6011 }
6012
6013 static void execSetupChooseTransparency(void)
6014 {
6015   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6016
6017   DrawSetupScreen();
6018 }
6019
6020 static void execSetupChooseGridXSize_0(void)
6021 {
6022   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6023
6024   DrawSetupScreen();
6025 }
6026
6027 static void execSetupChooseGridYSize_0(void)
6028 {
6029   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6030
6031   DrawSetupScreen();
6032 }
6033
6034 static void execSetupChooseGridXSize_1(void)
6035 {
6036   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6037
6038   DrawSetupScreen();
6039 }
6040
6041 static void execSetupChooseGridYSize_1(void)
6042 {
6043   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6044
6045   DrawSetupScreen();
6046 }
6047
6048 static void execSetupConfigureVirtualButtons(void)
6049 {
6050   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6051
6052   ConfigureVirtualButtons();
6053
6054   setup_mode = SETUP_MODE_TOUCH;
6055
6056   DrawSetupScreen();
6057 }
6058
6059 static void execSetupTouch(void)
6060 {
6061   int i, j, k;
6062
6063   if (touch_controls == NULL)
6064   {
6065     for (i = 0; touch_controls_list[i].value != NULL; i++)
6066     {
6067       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6068       char identifier[32], name[32];
6069       char *value = touch_controls_list[i].value;
6070       char *text = touch_controls_list[i].text;
6071
6072       ti->node_top = &touch_controls;
6073       ti->sort_priority = i;
6074
6075       sprintf(identifier, "%s", value);
6076       sprintf(name, "%s", text);
6077
6078       setString(&ti->identifier, identifier);
6079       setString(&ti->name, name);
6080       setString(&ti->name_sorting, name);
6081       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6082
6083       pushTreeInfo(&touch_controls, ti);
6084     }
6085
6086     // sort touch control values to start with lowest touch control value
6087     sortTreeInfo(&touch_controls);
6088
6089     // set current touch control value to configured touch control value
6090     touch_control_current =
6091       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6092
6093     // if that fails, set current touch control to reliable default value
6094     if (touch_control_current == NULL)
6095       touch_control_current =
6096         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6097
6098     // if that also fails, set current touch control to first available value
6099     if (touch_control_current == NULL)
6100       touch_control_current = touch_controls;
6101   }
6102
6103   if (move_distances == NULL)
6104   {
6105     for (i = 0; distances_list[i].value != -1; i++)
6106     {
6107       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6108       char identifier[32], name[32];
6109       int value = distances_list[i].value;
6110       char *text = distances_list[i].text;
6111
6112       ti->node_top = &move_distances;
6113       ti->sort_priority = value;
6114
6115       sprintf(identifier, "%d", value);
6116       sprintf(name, "%s", text);
6117
6118       setString(&ti->identifier, identifier);
6119       setString(&ti->name, name);
6120       setString(&ti->name_sorting, name);
6121       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6122
6123       pushTreeInfo(&move_distances, ti);
6124     }
6125
6126     // sort distance values to start with lowest distance value
6127     sortTreeInfo(&move_distances);
6128
6129     // set current distance value to configured distance value
6130     move_distance_current =
6131       getTreeInfoFromIdentifier(move_distances,
6132                                 i_to_a(setup.touch.move_distance));
6133
6134     // if that fails, set current distance to reliable default value
6135     if (move_distance_current == NULL)
6136       move_distance_current =
6137         getTreeInfoFromIdentifier(move_distances,
6138                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6139
6140     // if that also fails, set current distance to first available value
6141     if (move_distance_current == NULL)
6142       move_distance_current = move_distances;
6143   }
6144
6145   if (drop_distances == NULL)
6146   {
6147     for (i = 0; distances_list[i].value != -1; i++)
6148     {
6149       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6150       char identifier[32], name[32];
6151       int value = distances_list[i].value;
6152       char *text = distances_list[i].text;
6153
6154       ti->node_top = &drop_distances;
6155       ti->sort_priority = value;
6156
6157       sprintf(identifier, "%d", value);
6158       sprintf(name, "%s", text);
6159
6160       setString(&ti->identifier, identifier);
6161       setString(&ti->name, name);
6162       setString(&ti->name_sorting, name);
6163       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6164
6165       pushTreeInfo(&drop_distances, ti);
6166     }
6167
6168     // sort distance values to start with lowest distance value
6169     sortTreeInfo(&drop_distances);
6170
6171     // set current distance value to configured distance value
6172     drop_distance_current =
6173       getTreeInfoFromIdentifier(drop_distances,
6174                                 i_to_a(setup.touch.drop_distance));
6175
6176     // if that fails, set current distance to reliable default value
6177     if (drop_distance_current == NULL)
6178       drop_distance_current =
6179         getTreeInfoFromIdentifier(drop_distances,
6180                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6181
6182     // if that also fails, set current distance to first available value
6183     if (drop_distance_current == NULL)
6184       drop_distance_current = drop_distances;
6185   }
6186
6187   if (transparencies == NULL)
6188   {
6189     for (i = 0; transparencies_list[i].value != -1; i++)
6190     {
6191       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6192       char identifier[32], name[32];
6193       int value = transparencies_list[i].value;
6194       char *text = transparencies_list[i].text;
6195
6196       ti->node_top = &transparencies;
6197       ti->sort_priority = value;
6198
6199       sprintf(identifier, "%d", value);
6200       sprintf(name, "%s", text);
6201
6202       setString(&ti->identifier, identifier);
6203       setString(&ti->name, name);
6204       setString(&ti->name_sorting, name);
6205       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6206
6207       pushTreeInfo(&transparencies, ti);
6208     }
6209
6210     // sort transparency values to start with lowest transparency value
6211     sortTreeInfo(&transparencies);
6212
6213     // set current transparency value to configured transparency value
6214     transparency_current =
6215       getTreeInfoFromIdentifier(transparencies,
6216                                 i_to_a(setup.touch.transparency));
6217
6218     // if that fails, set current transparency to reliable default value
6219     if (transparency_current == NULL)
6220       transparency_current =
6221         getTreeInfoFromIdentifier(transparencies,
6222                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6223
6224     // if that also fails, set current transparency to first available value
6225     if (transparency_current == NULL)
6226       transparency_current = transparencies;
6227   }
6228
6229   for (i = 0; i < 2; i++)
6230   {
6231     for (j = 0; j < 2; j++)
6232     {
6233       if (grid_sizes[i][j] == NULL)
6234       {
6235         for (k = 0; grid_sizes_list[k].value != -1; k++)
6236         {
6237           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6238           char identifier[32], name[32];
6239           int value = grid_sizes_list[k].value;
6240           char *text = grid_sizes_list[k].text;
6241
6242           ti->node_top = &grid_sizes[i][j];
6243           ti->sort_priority = value;
6244
6245           sprintf(identifier, "%d", value);
6246           sprintf(name, "%s", text);
6247
6248           setString(&ti->identifier, identifier);
6249           setString(&ti->name, name);
6250           setString(&ti->name_sorting, name);
6251           setString(&ti->infotext,
6252                     (i == 0 ?
6253                      (j == 0 ?
6254                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6255                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6256                      (j == 0 ?
6257                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6258                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6259
6260           pushTreeInfo(&grid_sizes[i][j], ti);
6261         }
6262
6263         // sort grid size values to start with lowest grid size value
6264         sortTreeInfo(&grid_sizes[i][j]);
6265
6266         // set current grid size value to configured grid size value
6267         grid_size_current[i][j] =
6268           getTreeInfoFromIdentifier(grid_sizes[i][j],
6269                                     i_to_a(j == 0 ?
6270                                            setup.touch.grid_xsize[i] :
6271                                            setup.touch.grid_ysize[i]));
6272
6273         // if that fails, set current grid size to reliable default value
6274         if (grid_size_current[i][j] == NULL)
6275           grid_size_current[i][j] =
6276             getTreeInfoFromIdentifier(grid_sizes[i][j],
6277                                       i_to_a(j == 0 ?
6278                                              DEFAULT_GRID_XSIZE(i) :
6279                                              DEFAULT_GRID_YSIZE(i)));
6280
6281         // if that also fails, set current grid size to first available value
6282         if (grid_size_current[i][j] == NULL)
6283           grid_size_current[i][j] = grid_sizes[i][j];
6284       }
6285     }
6286   }
6287
6288   setup.touch.control_type = touch_control_current->identifier;
6289   setup.touch.move_distance = atoi(move_distance_current->identifier);
6290   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6291   setup.touch.transparency = atoi(transparency_current->identifier);
6292
6293   for (i = 0; i < 2; i++)
6294   {
6295     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6296     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6297
6298     if (i == GRID_ACTIVE_NR())
6299     {
6300       overlay.grid_xsize = setup.touch.grid_xsize[i];
6301       overlay.grid_ysize = setup.touch.grid_ysize[i];
6302     }
6303   }
6304
6305   // needed for displaying value text instead of identifier
6306   touch_controls_text = touch_control_current->name;
6307   move_distance_text = move_distance_current->name;
6308   drop_distance_text = drop_distance_current->name;
6309   transparency_text = transparency_current->name;
6310
6311   for (i = 0; i < 2; i++)
6312     for (j = 0; j < 2; j++)
6313       grid_size_text[i][j] = grid_size_current[i][j]->name;
6314
6315   setup_mode = SETUP_MODE_TOUCH;
6316
6317   DrawSetupScreen();
6318 }
6319
6320 static void execSetupArtwork(void)
6321 {
6322 #if 0
6323   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6324         artwork.gfx_current->subdir,
6325         artwork.gfx_current->fullpath,
6326         artwork.gfx_current->basepath);
6327 #endif
6328
6329   setup.graphics_set = artwork.gfx_current->identifier;
6330   setup.sounds_set = artwork.snd_current->identifier;
6331   setup.music_set = artwork.mus_current->identifier;
6332
6333   // needed if last screen (setup choice) changed graphics, sounds or music
6334   ReloadCustomArtwork(0);
6335
6336   // needed for displaying artwork name instead of artwork identifier
6337   graphics_set_name = artwork.gfx_current->name;
6338   sounds_set_name = artwork.snd_current->name;
6339   music_set_name = artwork.mus_current->name;
6340
6341   setup_mode = SETUP_MODE_ARTWORK;
6342
6343   DrawSetupScreen();
6344 }
6345
6346 static void execSetupChooseGraphics(void)
6347 {
6348   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6349
6350   DrawSetupScreen();
6351 }
6352
6353 static void execSetupChooseSounds(void)
6354 {
6355   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6356
6357   DrawSetupScreen();
6358 }
6359
6360 static void execSetupChooseMusic(void)
6361 {
6362   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6363
6364   DrawSetupScreen();
6365 }
6366
6367 static void execSetupInput(void)
6368 {
6369   setup_mode = SETUP_MODE_INPUT;
6370
6371   DrawSetupScreen();
6372 }
6373
6374 static void execSetupShortcuts(void)
6375 {
6376   setup_mode = SETUP_MODE_SHORTCUTS;
6377
6378   DrawSetupScreen();
6379 }
6380
6381 static void execSetupShortcuts1(void)
6382 {
6383   setup_mode = SETUP_MODE_SHORTCUTS_1;
6384
6385   DrawSetupScreen();
6386 }
6387
6388 static void execSetupShortcuts2(void)
6389 {
6390   setup_mode = SETUP_MODE_SHORTCUTS_2;
6391
6392   DrawSetupScreen();
6393 }
6394
6395 static void execSetupShortcuts3(void)
6396 {
6397   setup_mode = SETUP_MODE_SHORTCUTS_3;
6398
6399   DrawSetupScreen();
6400 }
6401
6402 static void execSetupShortcuts4(void)
6403 {
6404   setup_mode = SETUP_MODE_SHORTCUTS_4;
6405
6406   DrawSetupScreen();
6407 }
6408
6409 static void execSetupShortcuts5(void)
6410 {
6411   setup_mode = SETUP_MODE_SHORTCUTS_5;
6412
6413   DrawSetupScreen();
6414 }
6415
6416 static void execExitSetup(void)
6417 {
6418   SetGameStatus(GAME_MODE_MAIN);
6419
6420   DrawMainMenu();
6421 }
6422
6423 static void execSaveAndExitSetup(void)
6424 {
6425   SaveSetup();
6426   execExitSetup();
6427 }
6428
6429 static void execGadgetNetworkServer(void)
6430 {
6431   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6432   struct GadgetInfo *gi = screen_gadget[gadget_id];
6433
6434   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6435     network_server_hostname[0] = '\0';
6436
6437   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6438
6439   MapGadget(gi);
6440
6441   ClickOnGadget(gi, MB_LEFTBUTTON);
6442 }
6443
6444 static void ToggleNetworkModeIfNeeded(void)
6445 {
6446   int font_title = FONT_TITLE_1;
6447   int font_foot = FC_BLUE;
6448   int ystart  = mSY - SY + 16;
6449   int ybottom = mSY - SY + SYSIZE - 20;
6450   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6451
6452   if (setup.network_mode == network.enabled)
6453     return;
6454
6455   network.enabled = setup.network_mode;
6456
6457   FadeOut(REDRAW_ALL);
6458
6459   ClearField();
6460
6461   DrawTextSCentered(ystart, font_title, text);
6462
6463   FadeIn(REDRAW_ALL);
6464
6465   if (network.enabled)
6466     InitNetworkServer();
6467   else
6468     DisconnectFromNetworkServer();
6469
6470   DrawTextSCentered(ybottom, font_foot,
6471                     "Press any key or button for setup menu");
6472
6473   WaitForEventToContinue();
6474
6475   DrawSetupScreen();
6476 }
6477
6478 static void ToggleGameSpeedsListIfNeeded(void)
6479 {
6480   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6481
6482   if (setup.game_speed_extended == using_game_speeds_extended)
6483     return;
6484
6485   // try to match similar values when changing game speeds list
6486   if (setup.game_speed_extended)
6487     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6488                               setup.game_frame_delay == 30 ? 29 :
6489                               setup.game_frame_delay);
6490   else
6491     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6492                               setup.game_frame_delay == 16 ? 15 :
6493                               setup.game_frame_delay >= 29 ? 30 :
6494                               setup.game_frame_delay <= 10 ? 10 :
6495                               setup.game_frame_delay);
6496
6497   execSetupGame_setGameSpeeds(TRUE);
6498
6499   DrawSetupScreen();
6500 }
6501
6502 static void ModifyGameSpeedIfNeeded(void)
6503 {
6504   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6505       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6506     return;
6507
6508   char message[100];
6509   char *game_speed_text = "Fast";
6510   int game_speed_value = 15;
6511
6512   if (setup.game_speed_extended)
6513   {
6514     game_speed_text = "60 fps";
6515     game_speed_value = 16;
6516   }
6517
6518   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6519
6520   // set game speed to existing list value that is fast enough for vsync
6521   setup.game_frame_delay = game_speed_value;
6522
6523   execSetupGame_setGameSpeeds(TRUE);
6524
6525   Request(message, REQ_CONFIRM);
6526 }
6527
6528 static void DisableVsyncIfNeeded(void)
6529 {
6530   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6531       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6532        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6533     return;
6534
6535   // disable vsync for the selected game speed to work
6536   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6537
6538   execSetupGraphics_setVsyncModes(TRUE);
6539
6540   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6541 }
6542
6543 static struct
6544 {
6545   void *value;
6546   void *related_value;
6547 } hide_related_entry_list[] =
6548 {
6549   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6550   { &setup.game_frame_delay,            &game_speed_text                },
6551
6552   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6553   { &setup.scroll_delay_value,          &scroll_delay_text              },
6554
6555   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6556   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6557
6558   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6559   { &setup.window_scaling_percent,      &window_size_text               },
6560
6561   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6562   { &setup.window_scaling_quality,      &scaling_type_text              },
6563
6564   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6565   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6566
6567   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6568   { &setup.vsync_mode,                  &vsync_mode_text                },
6569
6570   { &setup.graphics_set,                execSetupChooseGraphics         },
6571   { &setup.graphics_set,                &graphics_set_name              },
6572
6573   { &setup.sounds_set,                  execSetupChooseSounds           },
6574   { &setup.sounds_set,                  &sounds_set_name                },
6575
6576   { &setup.music_set,                   execSetupChooseMusic            },
6577   { &setup.music_set,                   &music_set_name                 },
6578
6579   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6580   { &setup.volume_simple,               &volume_simple_text             },
6581
6582   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6583   { &setup.volume_loops,                &volume_loops_text              },
6584
6585   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6586   { &setup.volume_music,                &volume_music_text              },
6587
6588   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6589   { &setup.touch.control_type,          &touch_controls_text            },
6590
6591   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6592   { &setup.touch.move_distance,         &move_distance_text             },
6593
6594   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6595   { &setup.touch.drop_distance,         &drop_distance_text             },
6596
6597   { &setup.touch.transparency,          execSetupChooseTransparency     },
6598   { &setup.touch.transparency,          &transparency_text              },
6599
6600   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6601   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6602
6603   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6604   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6605
6606   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6607   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6608
6609   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6610   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6611
6612   { &setup.internal.menu_game,          execSetupGame                   },
6613   { &setup.internal.menu_engines,       execSetupEngines                },
6614   { &setup.internal.menu_editor,        execSetupEditor                 },
6615   { &setup.internal.menu_graphics,      execSetupGraphics               },
6616   { &setup.internal.menu_sound,         execSetupSound                  },
6617   { &setup.internal.menu_artwork,       execSetupArtwork                },
6618   { &setup.internal.menu_input,         execSetupInput                  },
6619   { &setup.internal.menu_touch,         execSetupTouch                  },
6620   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6621   { &setup.internal.menu_exit,          execExitSetup                   },
6622   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6623
6624   { NULL,                               NULL                            }
6625 };
6626
6627 void setHideRelatedSetupEntries(void)
6628 {
6629   int i;
6630
6631   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6632     if (hideSetupEntry(hide_related_entry_list[i].value))
6633       setHideSetupEntry(hide_related_entry_list[i].related_value);
6634 }
6635
6636 static struct TokenInfo setup_info_main[] =
6637 {
6638   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6639   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6640   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6641   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6642   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6643   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6644   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6645   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6646   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6647   { TYPE_EMPTY,         NULL,                   ""                      },
6648   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6649   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6650
6651   { 0,                  NULL,                   NULL                    }
6652 };
6653
6654 static struct TokenInfo setup_info_game[] =
6655 {
6656   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6657   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6658   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6659   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6660   { TYPE_STRING,        &network_server_text,   ""                      },
6661   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6662   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6663   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6664   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6665   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6666   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6667   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6668   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6669   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6670   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6671   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6672   { TYPE_STRING,        &game_speed_text,       ""                      },
6673   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6674 #if 1
6675   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6676   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6677 #endif
6678   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6679   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6680   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6681   { TYPE_EMPTY,         NULL,                   ""                      },
6682   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6683
6684   { 0,                  NULL,                   NULL                    }
6685 };
6686
6687 static struct TokenInfo setup_info_engines[] =
6688 {
6689   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6690   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6691   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6692   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6693   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6694   { TYPE_EMPTY,         NULL,                   ""                      },
6695   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6696   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6697   { TYPE_EMPTY,         NULL,                   ""                      },
6698   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6699
6700   { 0,                  NULL,                   NULL                    }
6701 };
6702
6703 static struct TokenInfo setup_info_editor[] =
6704 {
6705 #if 0
6706   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6707   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6708   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6709   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6710   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6711   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6712   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6713   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6714   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6715   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6716 #endif
6717   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6718   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6719 #if 0
6720   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6721 #endif
6722   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6723   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6724   { TYPE_EMPTY,         NULL,                   ""                      },
6725 #if 0
6726   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6727   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6728   { TYPE_EMPTY,         NULL,                   ""                      },
6729 #endif
6730   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6731   { TYPE_EMPTY,         NULL,                   ""                      },
6732   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6733
6734   { 0,                  NULL,                   NULL                    }
6735 };
6736
6737 static struct TokenInfo setup_info_graphics[] =
6738 {
6739 #if !defined(PLATFORM_ANDROID)
6740   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6741   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6742   { TYPE_STRING,        &window_size_text,      ""                      },
6743   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6744   { TYPE_STRING,        &scaling_type_text,     ""                      },
6745   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6746   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6747 #endif
6748 #if 0
6749   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6750   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6751 #endif
6752   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6753   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6754   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6755   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6756   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6757   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6758   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6759   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6760   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6761   { TYPE_EMPTY,         NULL,                   ""                      },
6762   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6763
6764   { 0,                  NULL,                   NULL                    }
6765 };
6766
6767 static struct TokenInfo setup_info_sound[] =
6768 {
6769   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6770   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6771   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6772   { TYPE_EMPTY,         NULL,                   ""                      },
6773   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6774   { TYPE_STRING,        &volume_simple_text,    ""                      },
6775   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6776   { TYPE_STRING,        &volume_loops_text,     ""                      },
6777   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6778   { TYPE_STRING,        &volume_music_text,     ""                      },
6779   { TYPE_EMPTY,         NULL,                   ""                      },
6780   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6781
6782   { 0,                  NULL,                   NULL                    }
6783 };
6784
6785 static struct TokenInfo setup_info_artwork[] =
6786 {
6787   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6788   { TYPE_STRING,        &graphics_set_name,     ""                      },
6789   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6790   { TYPE_STRING,        &sounds_set_name,       ""                      },
6791   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6792   { TYPE_STRING,        &music_set_name,        ""                      },
6793   { TYPE_EMPTY,         NULL,                   ""                      },
6794   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6795   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6796   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6797   { TYPE_EMPTY,         NULL,                   ""                      },
6798   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6799
6800   { 0,                  NULL,                   NULL                    }
6801 };
6802
6803 static struct TokenInfo setup_info_input[] =
6804 {
6805   { TYPE_SWITCH,        NULL,                   "Player:"               },
6806   { TYPE_SWITCH,        NULL,                   "Device:"               },
6807   { TYPE_SWITCH,        NULL,                   ""                      },
6808   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6809   { TYPE_EMPTY,         NULL,                   ""                      },
6810   { TYPE_EMPTY,         NULL,                   ""                      },
6811   { TYPE_EMPTY,         NULL,                   ""                      },
6812   { TYPE_EMPTY,         NULL,                   ""                      },
6813   { TYPE_EMPTY,         NULL,                   ""                      },
6814   { TYPE_EMPTY,         NULL,                   ""                      },
6815   { TYPE_EMPTY,         NULL,                   ""                      },
6816   { TYPE_EMPTY,         NULL,                   ""                      },
6817   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6818   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6819
6820   { 0,                  NULL,                   NULL                    }
6821 };
6822
6823 static struct TokenInfo setup_info_touch[] =
6824 {
6825   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6826   { TYPE_STRING,        &touch_controls_text,   ""                      },
6827   { TYPE_EMPTY,         NULL,                   ""                      },
6828   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6829
6830   { 0,                  NULL,                   NULL                    }
6831 };
6832
6833 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6834 {
6835   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6836   { TYPE_STRING,        &touch_controls_text,   ""                      },
6837   { TYPE_EMPTY,         NULL,                   ""                      },
6838   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6839   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6840   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6841   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6842   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6843   { TYPE_STRING,        &transparency_text,     ""                      },
6844   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6845   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6846   { TYPE_EMPTY,         NULL,                   ""                      },
6847   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6848   { TYPE_EMPTY,         NULL,                   ""                      },
6849   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6850
6851   { 0,                  NULL,                   NULL                    }
6852 };
6853
6854 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6855 {
6856   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6857   { TYPE_STRING,        &touch_controls_text,   ""                      },
6858   { TYPE_EMPTY,         NULL,                   ""                      },
6859   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6860   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6861   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6862   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6863   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6864   { TYPE_STRING,        &transparency_text,     ""                      },
6865   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6866   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6867   { TYPE_EMPTY,         NULL,                   ""                      },
6868   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6869   { TYPE_EMPTY,         NULL,                   ""                      },
6870   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6871
6872   { 0,                  NULL,                   NULL                    }
6873 };
6874
6875 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6876 {
6877   setup_info_touch_virtual_buttons_0,
6878   setup_info_touch_virtual_buttons_1
6879 };
6880
6881 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6882 {
6883   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6884   { TYPE_STRING,        &touch_controls_text,   ""                      },
6885   { TYPE_EMPTY,         NULL,                   ""                      },
6886   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6887   { TYPE_STRING,        &move_distance_text,    ""                      },
6888   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6889   { TYPE_STRING,        &drop_distance_text,    ""                      },
6890   { TYPE_EMPTY,         NULL,                   ""                      },
6891   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6892
6893   { 0,                  NULL,                   NULL                    }
6894 };
6895
6896 static struct TokenInfo setup_info_shortcuts[] =
6897 {
6898   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6899   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6900   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6901   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6902   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6903   { TYPE_EMPTY,         NULL,                   ""                      },
6904   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6905
6906   { 0,                  NULL,                   NULL                    }
6907 };
6908
6909 static struct TokenInfo setup_info_shortcuts_1[] =
6910 {
6911   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6912   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6913   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6914   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6915   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6916   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6917   { TYPE_EMPTY,         NULL,                   ""                      },
6918   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6919   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6920   { TYPE_EMPTY,         NULL,                   ""                      },
6921   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6922
6923   { 0,                  NULL,                   NULL                    }
6924 };
6925
6926 static struct TokenInfo setup_info_shortcuts_2[] =
6927 {
6928   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6929   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6930   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6931   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6932   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6933   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6934   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6935   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6936   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6937   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6938   { TYPE_EMPTY,         NULL,                   ""                      },
6939   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6940
6941   { 0,                  NULL,                   NULL                    }
6942 };
6943
6944 static struct TokenInfo setup_info_shortcuts_3[] =
6945 {
6946   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6947   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6948   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6949   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6950   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6951   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6952   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6953   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6954   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6955   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6956   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6957   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6958   { TYPE_EMPTY,         NULL,                   ""                      },
6959   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6960
6961   { 0,                  NULL,                   NULL                    }
6962 };
6963
6964 static struct TokenInfo setup_info_shortcuts_4[] =
6965 {
6966   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6967   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6968   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6969   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6970   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6971   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6972   { TYPE_EMPTY,         NULL,                   ""                      },
6973   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6974
6975   { 0,                  NULL,                   NULL                    }
6976 };
6977
6978 static struct TokenInfo setup_info_shortcuts_5[] =
6979 {
6980   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6981   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6982   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6983   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6984   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6985   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6986   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6987   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6988   { TYPE_EMPTY,         NULL,                   ""                      },
6989   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6990
6991   { 0,                  NULL,                   NULL                    }
6992 };
6993
6994 static Key getSetupKey(void)
6995 {
6996   Key key = KSYM_UNDEFINED;
6997   boolean got_key_event = FALSE;
6998
6999   while (!got_key_event)
7000   {
7001     Event event;
7002
7003     if (NextValidEvent(&event))
7004     {
7005       switch (event.type)
7006       {
7007         case EVENT_KEYPRESS:
7008           {
7009             key = GetEventKey((KeyEvent *)&event, TRUE);
7010
7011             // press 'Escape' or 'Enter' to keep the existing key binding
7012             if (key == KSYM_Escape || key == KSYM_Return)
7013               key = KSYM_UNDEFINED;     // keep old value
7014
7015             got_key_event = TRUE;
7016           }
7017           break;
7018
7019         case EVENT_KEYRELEASE:
7020           key_joystick_mapping = 0;
7021           break;
7022
7023         default:
7024           HandleOtherEvents(&event);
7025           break;
7026       }
7027     }
7028
7029     BackToFront();
7030   }
7031
7032   return key;
7033 }
7034
7035 static int getSetupValueFont(int type, void *value)
7036 {
7037   if (type & TYPE_GHOSTED)
7038     return FONT_OPTION_OFF;
7039   else if (type & TYPE_KEY)
7040     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7041   else if (type & TYPE_STRING)
7042     return FONT_VALUE_2;
7043   else if (type & TYPE_ECS_AGA)
7044     return FONT_VALUE_1;
7045   else if (type & TYPE_BOOLEAN_STYLE)
7046     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7047   else if (type & TYPE_YES_NO_AUTO)
7048     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7049             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7050   else if (type & TYPE_PLAYER)
7051     return FONT_VALUE_1;
7052   else
7053     return FONT_VALUE_1;
7054 }
7055
7056 static int getSetupValueFontNarrow(int type, int font_nr)
7057 {
7058   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7059           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7060           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7061           font_nr);
7062 }
7063
7064 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7065 {
7066   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7067   struct TokenInfo *si = &setup_info[si_pos];
7068   boolean font_draw_xoffset_modified = FALSE;
7069   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7070   int font_draw_xoffset_old = -1;
7071   int xoffset = (scrollbar_needed ? -1 : 0);
7072   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7073   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7074   int xpos = menu_screen_value_xpos;
7075   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7076   int startx = mSX + xpos * 32;
7077   int starty = mSY + ypos * 32;
7078   int type = si->type;
7079   void *value = si->value;
7080   char *value_string = getSetupValue(type, value);
7081   int font_nr_default = getSetupValueFont(type, value);
7082   int font_width_default = getFontWidth(font_nr_default);
7083   int font_nr = font_nr_default;
7084   int i;
7085
7086   if (value_string == NULL)
7087     return;
7088
7089   if (type & TYPE_KEY)
7090   {
7091     xpos = MENU_SCREEN_START_XPOS;
7092
7093     if (type & TYPE_QUERY)
7094       value_string = "<press key>";
7095   }
7096   else if (type & TYPE_STRING)
7097   {
7098     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7099
7100     xpos = MENU_SCREEN_START_XPOS;
7101
7102     if (strlen(value_string) > max_value_len)
7103       value_string[max_value_len] = '\0';
7104   }
7105   else if (type & TYPE_YES_NO_AUTO)
7106   {
7107     xpos = menu_screen_value_xpos - 1;
7108   }
7109   else if (type & TYPE_PLAYER)
7110   {
7111     int displayed_player_nr = *(int *)value + 1;
7112
7113     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7114   }
7115
7116   startx = mSX + xpos * 32;
7117   starty = mSY + ypos * 32;
7118
7119   // special check if right-side setup values moved left due to scrollbar
7120   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7121   {
7122     int max_menu_text_length = 26;      // maximum text length for classic menu
7123     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7124     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7125     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7126     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7127     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7128
7129     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7130     {
7131       // when using narrow font, left-shifting text "auto" not needed
7132       if (type & TYPE_YES_NO_AUTO)
7133         xpos += 1;
7134
7135       xpos += 1;
7136       startx = mSX + xpos * 32;
7137
7138       font_nr = getSetupValueFontNarrow(type, font_nr);
7139     }
7140   }
7141
7142   // downward compatibility correction for Juergen Bonhagen's menu settings
7143   if (setup_mode != SETUP_MODE_INPUT)
7144   {
7145     int max_menu_text_length_big = (menu_screen_value_xpos -
7146                                     MENU_SCREEN_START_XPOS);
7147     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7148     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7149     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7150     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7151     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7152     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7153     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7154     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7155     boolean correct_font_draw_xoffset = FALSE;
7156
7157     if (xpos == MENU_SCREEN_START_XPOS &&
7158         startx + font1_xoffset < text_startx + text_font_xoffset)
7159       correct_font_draw_xoffset = TRUE;
7160
7161     if (xpos == menu_screen_value_xpos &&
7162         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7163       correct_font_draw_xoffset = TRUE;
7164
7165     // check if setup value would overlap with setup text when printed
7166     // (this can happen for extreme/wrong values for font draw offset)
7167     if (correct_font_draw_xoffset)
7168     {
7169       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7170       font_draw_xoffset_modified = TRUE;
7171
7172       if (type & TYPE_KEY)
7173         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7174       else if (!(type & TYPE_STRING))
7175         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7176           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7177     }
7178   }
7179
7180   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7181     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7182
7183   DrawText(startx, starty, value_string, font_nr);
7184
7185   if (type & TYPE_PLAYER)
7186   {
7187     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7188     int player_nr = *(int *)value;
7189     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7190     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7191     int startx2 = startx + xoff;
7192     int starty2 = starty + yoff;
7193
7194     if (DrawingOnBackground(startx2, starty2))
7195       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7196
7197     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7198                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7199   }
7200
7201   if (font_draw_xoffset_modified)
7202     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7203 }
7204
7205 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7206 {
7207   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7208   struct TokenInfo *si = &setup_info[si_pos];
7209
7210   if (si->type & TYPE_BOOLEAN_STYLE)
7211   {
7212     *(boolean *)si->value ^= TRUE;
7213   }
7214   else if (si->type & TYPE_YES_NO_AUTO)
7215   {
7216     *(int *)si->value =
7217       (dx == -1 ?
7218        (*(int *)si->value == AUTO ? TRUE :
7219         *(int *)si->value == TRUE ? FALSE : AUTO) :
7220        (*(int *)si->value == TRUE ? AUTO :
7221         *(int *)si->value == AUTO ? FALSE : TRUE));
7222   }
7223   else if (si->type & TYPE_KEY)
7224   {
7225     Key key;
7226
7227     si->type |= TYPE_QUERY;
7228     drawSetupValue(screen_pos, setup_info_pos_raw);
7229     si->type &= ~TYPE_QUERY;
7230
7231     key = getSetupKey();
7232     if (key != KSYM_UNDEFINED)
7233       *(Key *)si->value = key;
7234   }
7235   else if (si->type & TYPE_PLAYER)
7236   {
7237     int player_nr = *(int *)si->value;
7238
7239     if (dx)
7240       player_nr += dx;
7241     else
7242       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7243
7244     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7245   }
7246
7247   drawSetupValue(screen_pos, setup_info_pos_raw);
7248
7249   // fullscreen state may have changed at this point
7250   if (si->value == &setup.fullscreen)
7251     ToggleFullscreenIfNeeded();
7252
7253   // network mode may have changed at this point
7254   if (si->value == &setup.network_mode)
7255     ToggleNetworkModeIfNeeded();
7256
7257   // game speed list may have changed at this point
7258   if (si->value == &setup.game_speed_extended)
7259     ToggleGameSpeedsListIfNeeded();
7260 }
7261
7262 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7263 {
7264   static struct TokenInfo *setup_info_final = NULL;
7265   int list_size = 0;
7266   int list_pos = 0;
7267   int i;
7268
7269   // determine maximum list size of target list
7270   while (setup_info_orig[list_size++].type != 0);
7271
7272   // free, allocate and clear memory for target list
7273   checked_free(setup_info_final);
7274   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7275
7276   // copy setup info list without setup entries marked as hidden
7277   for (i = 0; setup_info_orig[i].type != 0; i++)
7278   {
7279     // skip setup entries configured to be hidden
7280     if (hideSetupEntry(setup_info_orig[i].value))
7281       continue;
7282
7283     // skip skippable setup entries if screen is lower than usual
7284     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7285         setup_info_orig[i].type == TYPE_SKIPPABLE)
7286       continue;
7287
7288     setup_info_final[list_pos++] = setup_info_orig[i];
7289   }
7290
7291   return setup_info_final;
7292 }
7293
7294 static void DrawSetupScreen_Generic(void)
7295 {
7296   int fade_mask = REDRAW_FIELD;
7297   boolean redraw_all = FALSE;
7298   char *title_string = NULL;
7299   int i;
7300
7301   if (CheckFadeAll())
7302     fade_mask = REDRAW_ALL;
7303
7304   UnmapAllGadgets();
7305   FadeMenuSoundsAndMusic();
7306
7307   FreeScreenGadgets();
7308   CreateScreenGadgets();
7309
7310   if (redraw_mask & REDRAW_ALL)
7311     redraw_all = TRUE;
7312
7313   FadeOut(fade_mask);
7314
7315   // needed if different viewport properties defined for setup screen
7316   ChangeViewportPropertiesIfNeeded();
7317
7318   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7319
7320   ClearField();
7321
7322   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7323
7324   if (setup_mode == SETUP_MODE_MAIN)
7325   {
7326     setup_info = setup_info_main;
7327     title_string = STR_SETUP_MAIN;
7328   }
7329   else if (setup_mode == SETUP_MODE_GAME)
7330   {
7331     setup_info = setup_info_game;
7332     title_string = STR_SETUP_GAME;
7333   }
7334   else if (setup_mode == SETUP_MODE_ENGINES)
7335   {
7336     setup_info = setup_info_engines;
7337     title_string = STR_SETUP_ENGINES;
7338   }
7339   else if (setup_mode == SETUP_MODE_EDITOR)
7340   {
7341     setup_info = setup_info_editor;
7342     title_string = STR_SETUP_EDITOR;
7343   }
7344   else if (setup_mode == SETUP_MODE_GRAPHICS)
7345   {
7346     setup_info = setup_info_graphics;
7347     title_string = STR_SETUP_GRAPHICS;
7348   }
7349   else if (setup_mode == SETUP_MODE_SOUND)
7350   {
7351     setup_info = setup_info_sound;
7352     title_string = STR_SETUP_SOUND;
7353   }
7354   else if (setup_mode == SETUP_MODE_ARTWORK)
7355   {
7356     setup_info = setup_info_artwork;
7357     title_string = STR_SETUP_ARTWORK;
7358   }
7359   else if (setup_mode == SETUP_MODE_TOUCH)
7360   {
7361     setup_info = setup_info_touch;
7362     title_string = STR_SETUP_TOUCH;
7363
7364     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7365       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7366     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7367       setup_info = setup_info_touch_wipe_gestures;
7368   }
7369   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7370   {
7371     setup_info = setup_info_shortcuts;
7372     title_string = STR_SETUP_SHORTCUTS;
7373   }
7374   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7375   {
7376     setup_info = setup_info_shortcuts_1;
7377     title_string = STR_SETUP_SHORTCUTS;
7378   }
7379   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7380   {
7381     setup_info = setup_info_shortcuts_2;
7382     title_string = STR_SETUP_SHORTCUTS;
7383   }
7384   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7385   {
7386     setup_info = setup_info_shortcuts_3;
7387     title_string = STR_SETUP_SHORTCUTS;
7388   }
7389   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7390   {
7391     setup_info = setup_info_shortcuts_4;
7392     title_string = STR_SETUP_SHORTCUTS;
7393   }
7394   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7395   {
7396     setup_info = setup_info_shortcuts_5;
7397     title_string = STR_SETUP_SHORTCUTS;
7398   }
7399
7400   // use modified setup info without setup entries marked as hidden
7401   setup_info = getSetupInfoFinal(setup_info);
7402
7403   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7404
7405   // determine maximal number of setup entries that can be displayed on screen
7406   num_setup_info = 0;
7407   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7408     num_setup_info++;
7409
7410   // determine maximal number of setup entries available for this setup screen
7411   max_setup_info = 0;
7412   for (i = 0; setup_info[i].type != 0; i++)
7413     max_setup_info++;
7414
7415   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7416
7417   MapScreenGadgets(max_setup_info);
7418
7419   if (redraw_all)
7420     redraw_mask = fade_mask = REDRAW_ALL;
7421
7422   DrawMaskedBorder(fade_mask);
7423
7424   FadeIn(fade_mask);
7425 }
7426
7427 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7428 {
7429   menu_info = setup_info;
7430
7431   HandleMenuScreen(mx, my, dx, dy, button,
7432                    setup_mode, num_setup_info, max_setup_info);
7433 }
7434
7435 static void DrawSetupScreen_Input(void)
7436 {
7437   int i;
7438
7439   FadeOut(REDRAW_FIELD);
7440
7441   ClearField();
7442
7443   setup_info = getSetupInfoFinal(setup_info_input);
7444
7445   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7446
7447   for (i = 0; setup_info[i].type != 0; i++)
7448   {
7449     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7450       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7451     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7452       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7453     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7454       initCursor(i, IMG_MENU_BUTTON);
7455
7456     DrawCursorAndText_Setup(i, -1, FALSE);
7457   }
7458
7459   // create gadgets for setup input menu screen
7460   FreeScreenGadgets();
7461   CreateScreenGadgets();
7462
7463   // map gadgets for setup input menu screen
7464   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7465
7466   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7467
7468   FadeIn(REDRAW_FIELD);
7469 }
7470
7471 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7472 {
7473   if (device_name == NULL)
7474     return;
7475
7476   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7477     device_nr = 0;
7478
7479   if (strlen(device_name) > 1)
7480   {
7481     char c1 = device_name[strlen(device_name) - 1];
7482     char c2 = device_name[strlen(device_name) - 2];
7483
7484     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7485       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7486   }
7487   else
7488     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7489             strlen(device_name));
7490 }
7491
7492 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7493 {
7494   int i;
7495   static struct SetupKeyboardInfo custom_key;
7496   static struct
7497   {
7498     Key *key;
7499     char *text;
7500   } custom[] =
7501   {
7502     { &custom_key.left,  "Axis/Pad Left"  },
7503     { &custom_key.right, "Axis/Pad Right" },
7504     { &custom_key.up,    "Axis/Pad Up"    },
7505     { &custom_key.down,  "Axis/Pad Down"  },
7506     { &custom_key.snap,  "Button 1/A/X"   },
7507     { &custom_key.drop,  "Button 2/B/Y"   }
7508   };
7509   static char *joystick_name[MAX_PLAYERS] =
7510   {
7511     "Joystick1",
7512     "Joystick2",
7513     "Joystick3",
7514     "Joystick4"
7515   };
7516   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7517   int font_nr_info = FONT_MENU_1;
7518   int font_nr_name = FONT_VALUE_OLD;
7519   int font_nr_on   = FONT_VALUE_1;
7520   int font_nr_off  = FONT_VALUE_OLD;
7521   int pos = 4;
7522
7523   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7524   {
7525     font_nr_info = FONT_MENU_2;
7526     font_nr_on   = FONT_VALUE_NARROW;
7527     font_nr_off  = FONT_VALUE_OLD_NARROW;
7528   }
7529
7530   custom_key = setup.input[player_nr].key;
7531
7532   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7533            FONT_INPUT_1_ACTIVE);
7534
7535   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7536                              TILEX, TILEY);
7537   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7538                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7539
7540   if (setup.input[player_nr].use_joystick)
7541   {
7542     char *device_name = setup.input[player_nr].joy.device_name;
7543     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7544     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7545     char *text = joystick_name[joystick_nr];
7546     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7547
7548     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7549     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7550   }
7551   else
7552   {
7553     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7554     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7555   }
7556
7557   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7558     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7559   else
7560     pos = 3;
7561
7562   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7563   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7564   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7565   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7566
7567   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7568   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7569   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7570   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7571   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7572   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7573
7574   for (i = 0; i < 6; i++)
7575   {
7576     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7577
7578     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7579              "              ", font_nr_on);
7580     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7581              (setup.input[player_nr].use_joystick ?
7582               custom[i].text :
7583               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7584   }
7585 }
7586
7587 static int input_player_nr = 0;
7588
7589 static void HandleSetupScreen_Input_Player(int step, int direction)
7590 {
7591   int old_player_nr = input_player_nr;
7592   int new_player_nr;
7593
7594   new_player_nr = old_player_nr + step * direction;
7595   if (new_player_nr < 0)
7596     new_player_nr = 0;
7597   if (new_player_nr > MAX_PLAYERS - 1)
7598     new_player_nr = MAX_PLAYERS - 1;
7599
7600   if (new_player_nr != old_player_nr)
7601   {
7602     input_player_nr = new_player_nr;
7603
7604     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7605   }
7606 }
7607
7608 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7609 {
7610   static int choice = 0;
7611   int x = 0;
7612   int y = choice;
7613   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7614   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7615   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7616   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7617
7618   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7619   {
7620     int i;
7621
7622     for (i = 0; setup_info_input[i].type != 0; i++)
7623     {
7624       // adjust menu structure according to skipped setup entries
7625       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7626       {
7627         pos_empty2--;
7628         pos_end--;
7629       }
7630     }
7631   }
7632
7633   if (button == MB_MENU_INITIALIZE)
7634   {
7635     // input setup menu may have changed size due to graphics configuration
7636     if (choice >= pos_empty1)
7637       choice = pos_end;
7638
7639     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7640
7641     DrawCursorAndText_Setup(choice, -1, TRUE);
7642
7643     return;
7644   }
7645   else if (button == MB_MENU_LEAVE)
7646   {
7647     setup_mode = SETUP_MODE_MAIN;
7648     DrawSetupScreen();
7649     InitJoysticks();
7650
7651     return;
7652   }
7653
7654   if (mx || my)         // mouse input
7655   {
7656     x = (mx - mSX) / 32;
7657     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7658   }
7659   else if (dx || dy)    // keyboard input
7660   {
7661     if (dx && choice == 0)
7662       x = (dx < 0 ? 10 : 12);
7663     else if ((dx && choice == 1) ||
7664              (dx == -1 && choice == pos_end))
7665       button = MB_MENU_CHOICE;
7666     else if (dy)
7667       y = choice + dy;
7668
7669     if (y >= pos_empty1 && y <= pos_empty2)
7670       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7671   }
7672
7673   if (y == 0 && dx != 0 && button)
7674   {
7675     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7676   }
7677   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7678            y >= pos_start && y <= pos_end &&
7679            !(y >= pos_empty1 && y <= pos_empty2))
7680   {
7681     if (button)
7682     {
7683       if (y != choice)
7684       {
7685         DrawCursorAndText_Setup(choice, -1, FALSE);
7686         DrawCursorAndText_Setup(y, -1, TRUE);
7687
7688         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7689
7690         choice = y;
7691       }
7692     }
7693     else
7694     {
7695       if (y == 1)
7696       {
7697         char *device_name = setup.input[input_player_nr].joy.device_name;
7698
7699         if (!setup.input[input_player_nr].use_joystick)
7700         {
7701           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7702
7703           setJoystickDeviceToNr(device_name, new_device_nr);
7704           setup.input[input_player_nr].use_joystick = TRUE;
7705         }
7706         else
7707         {
7708           int device_nr = getJoystickNrFromDeviceName(device_name);
7709           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7710
7711           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7712             setup.input[input_player_nr].use_joystick = FALSE;
7713           else
7714             setJoystickDeviceToNr(device_name, new_device_nr);
7715         }
7716
7717         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7718       }
7719       else if (y == 2)
7720       {
7721         if (setup.input[input_player_nr].use_joystick)
7722           ConfigureJoystick(input_player_nr);
7723         else
7724           CustomizeKeyboard(input_player_nr);
7725       }
7726       else if (y == pos_end)
7727       {
7728         InitJoysticks();
7729
7730         FadeSetLeaveMenu();
7731
7732         setup_mode = SETUP_MODE_MAIN;
7733         DrawSetupScreen();
7734       }
7735     }
7736   }
7737 }
7738
7739 static boolean CustomizeKeyboardMain(int player_nr)
7740 {
7741   int i;
7742   int step_nr;
7743   boolean finished = FALSE;
7744   static struct SetupKeyboardInfo custom_key;
7745   static struct
7746   {
7747     Key *key;
7748     char *text;
7749   } customize_step[] =
7750   {
7751     { &custom_key.left,  "Move Left"    },
7752     { &custom_key.right, "Move Right"   },
7753     { &custom_key.up,    "Move Up"      },
7754     { &custom_key.down,  "Move Down"    },
7755     { &custom_key.snap,  "Snap Field"   },
7756     { &custom_key.drop,  "Drop Element" }
7757   };
7758   int font_nr_old = FONT_VALUE_OLD;
7759   int font_nr_new = FONT_VALUE_1;
7760   boolean success = FALSE;
7761
7762   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7763   {
7764     font_nr_old = FONT_VALUE_OLD_NARROW;
7765     font_nr_new = FONT_VALUE_NARROW;
7766   }
7767
7768   // read existing key bindings from player setup
7769   custom_key = setup.input[player_nr].key;
7770
7771   FadeSetEnterMenu();
7772   FadeOut(REDRAW_FIELD);
7773
7774   ClearField();
7775
7776   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7777
7778   step_nr = 0;
7779   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7780            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7781   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7782            "Key:", FONT_INPUT_1_ACTIVE);
7783   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7784            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7785
7786   FadeIn(REDRAW_FIELD);
7787
7788   while (!finished)
7789   {
7790     Event event;
7791
7792     if (NextValidEvent(&event))
7793     {
7794       switch (event.type)
7795       {
7796         case EVENT_KEYPRESS:
7797           {
7798             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7799
7800             // press 'Escape' to abort and keep the old key bindings
7801             if (key == KSYM_Escape)
7802             {
7803               FadeSkipNextFadeIn();
7804
7805               finished = TRUE;
7806
7807               break;
7808             }
7809
7810             // press 'Enter' to keep the existing key binding
7811             if (key == KSYM_Return)
7812               key = *customize_step[step_nr].key;
7813
7814             // check if key already used
7815             for (i = 0; i < step_nr; i++)
7816               if (*customize_step[i].key == key)
7817                 break;
7818             if (i < step_nr)
7819               break;
7820
7821             // got new key binding
7822             *customize_step[step_nr].key = key;
7823             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7824                      "             ", font_nr_new);
7825             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7826                      getKeyNameFromKey(key), font_nr_new);
7827             step_nr++;
7828
7829             // un-highlight last query
7830             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7831                      customize_step[step_nr - 1].text, FONT_MENU_1);
7832             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7833                      "Key:", FONT_MENU_1);
7834
7835             // all keys configured
7836             if (step_nr == 6)
7837             {
7838               finished = TRUE;
7839               success = TRUE;
7840
7841               break;
7842             }
7843
7844             // query next key binding
7845             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7846                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7847             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7848                      "Key:", FONT_INPUT_1_ACTIVE);
7849             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7850                      getKeyNameFromKey(*customize_step[step_nr].key),
7851                      font_nr_old);
7852           }
7853           break;
7854
7855         case EVENT_KEYRELEASE:
7856           key_joystick_mapping = 0;
7857           break;
7858
7859         default:
7860           HandleOtherEvents(&event);
7861           break;
7862       }
7863     }
7864
7865     BackToFront();
7866   }
7867
7868   // write new key bindings back to player setup, if successfully finished
7869   if (success)
7870     setup.input[player_nr].key = custom_key;
7871
7872   return success;
7873 }
7874
7875 void CustomizeKeyboard(int player_nr)
7876 {
7877   boolean success = CustomizeKeyboardMain(player_nr);
7878
7879   if (success)
7880   {
7881     int font_nr = FONT_TITLE_1;
7882     int font_height = getFontHeight(font_nr);
7883     int ypos1 = SYSIZE / 2 - font_height * 2;
7884     int ypos2 = SYSIZE / 2 - font_height * 1;
7885     unsigned int wait_frame_delay = 0;
7886     unsigned int wait_frame_delay_value = 2000;
7887
7888     ResetDelayCounter(&wait_frame_delay);
7889
7890     ClearField();
7891
7892     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7893     DrawTextSCentered(ypos2, font_nr, "configured!");
7894
7895     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7896       BackToFront();
7897
7898     ClearEventQueue();
7899   }
7900
7901   DrawSetupScreen_Input();
7902 }
7903
7904 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7905
7906 #define MARKER_BUTTON           1
7907 #define MARKER_AXIS_X           2
7908 #define MARKER_AXIS_Y           3
7909
7910 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7911 {
7912   static boolean bitmaps_initialized = FALSE;
7913   boolean screen_initialized = FALSE;
7914   static Bitmap *controller, *button, *axis_x, *axis_y;
7915   char *name;
7916   boolean success = TRUE;
7917   boolean done = FALSE, next = FALSE;
7918   Event event;
7919   int alpha = 200, alpha_step = -1;
7920   int alpha_ticks = 0;
7921   char mapping[4096], temp[256];
7922   int font_name = MENU_SETUP_FONT_TITLE;
7923   int font_info = MENU_SETUP_FONT_TEXT;
7924   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7925   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7926   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7927   int ystep_name = getMenuTextStep(spacing_name, font_name);
7928   int ystep_line = getMenuTextStep(spacing_line, font_info);
7929   int ystep_para = getMenuTextStep(spacing_para, font_info);
7930   int i, j;
7931
7932   struct
7933   {
7934     int x, y;
7935     int marker;
7936     char *field;
7937     int axis, button, hat, hat_value;
7938     char mapping[4096];
7939   }
7940   *step, *prev_step, steps[] =
7941   {
7942     { 356, 155, MARKER_BUTTON, "a",             },
7943     { 396, 122, MARKER_BUTTON, "b",             },
7944     { 320, 125, MARKER_BUTTON, "x",             },
7945     { 358,  95, MARKER_BUTTON, "y",             },
7946     { 162, 125, MARKER_BUTTON, "back",          },
7947     { 216, 125, MARKER_BUTTON, "guide",         },
7948     { 271, 125, MARKER_BUTTON, "start",         },
7949     { 110, 200, MARKER_BUTTON, "dpleft",        },
7950     { 146, 228, MARKER_BUTTON, "dpdown",        },
7951     { 178, 200, MARKER_BUTTON, "dpright",       },
7952     { 146, 172, MARKER_BUTTON, "dpup",          },
7953     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7954     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7955     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7956     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7957     {  73, 141, MARKER_BUTTON, "leftstick",     },
7958     { 282, 210, MARKER_BUTTON, "rightstick",    },
7959     {  73, 141, MARKER_AXIS_X, "leftx",         },
7960     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7961     { 282, 210, MARKER_AXIS_X, "rightx",        },
7962     { 282, 210, MARKER_AXIS_Y, "righty",        },
7963   };
7964
7965   unsigned int event_frame_delay = 0;
7966   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7967
7968   ResetDelayCounter(&event_frame_delay);
7969
7970   if (!bitmaps_initialized)
7971   {
7972     controller = LoadCustomImage("joystick/controller.png");
7973     button     = LoadCustomImage("joystick/button.png");
7974     axis_x     = LoadCustomImage("joystick/axis_x.png");
7975     axis_y     = LoadCustomImage("joystick/axis_y.png");
7976
7977     bitmaps_initialized = TRUE;
7978   }
7979
7980   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7981
7982 #if DEBUG_JOYSTICKS
7983   // print info about the joystick we are watching
7984   Debug("joystick", "watching joystick %d: (%s)",
7985         SDL_JoystickInstanceID(joystick), name);
7986   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7987         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7988         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7989 #endif
7990
7991   // initialize mapping with GUID and name
7992   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7993
7994   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7995            temp, name, SDL_GetPlatform());
7996
7997   // loop through all steps (buttons and axes), getting joystick events
7998   for (i = 0; i < SDL_arraysize(steps) && !done;)
7999   {
8000     Bitmap *marker = button;    // initialize with reliable default value
8001
8002     step = &steps[i];
8003     strcpy(step->mapping, mapping);
8004     step->axis = -1;
8005     step->button = -1;
8006     step->hat = -1;
8007     step->hat_value = -1;
8008
8009     marker = (step->marker == MARKER_BUTTON ? button :
8010               step->marker == MARKER_AXIS_X ? axis_x :
8011               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8012
8013     next = FALSE;
8014
8015     while (!done && !next)
8016     {
8017       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8018       alpha_ticks = SDL_GetTicks();
8019
8020       if (alpha >= 255)
8021       {
8022         alpha = 255;
8023         alpha_step = -1;
8024       }
8025       else if (alpha < 128)
8026       {
8027         alpha = 127;
8028         alpha_step = 1;
8029       }
8030
8031       int controller_x = SX + (SXSIZE - controller->width) / 2;
8032       int controller_y = SY + ystep_line;
8033
8034       int marker_x = controller_x + step->x;
8035       int marker_y = controller_y + step->y;
8036
8037       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8038       int ystart2 = ystart1 + ystep_name + ystep_line;
8039
8040       ClearField();
8041
8042       DrawTextSCentered(ystart1, font_name, name);
8043
8044       DrawTextSCentered(ystart2, font_info,
8045                         "Press buttons and move axes on");
8046       ystart2 += ystep_line;
8047       DrawTextSCentered(ystart2, font_info,
8048                         "your controller when indicated.");
8049       ystart2 += ystep_line;
8050       DrawTextSCentered(ystart2, font_info,
8051                         "(Your controller may look different.)");
8052       ystart2 += ystep_para;
8053
8054 #if defined(PLATFORM_ANDROID)
8055       DrawTextSCentered(ystart2, font_info,
8056                         "To correct a mistake,");
8057       ystart2 += ystep_line;
8058       DrawTextSCentered(ystart2, font_info,
8059                         "press the 'back' button.");
8060       ystart2 += ystep_line;
8061       DrawTextSCentered(ystart2, font_info,
8062                         "To skip a button or axis,");
8063       ystart2 += ystep_line;
8064       DrawTextSCentered(ystart2, font_info,
8065                         "press the 'menu' button.");
8066 #else
8067       DrawTextSCentered(ystart2, font_info,
8068                         "To correct a mistake,");
8069       ystart2 += ystep_line;
8070       DrawTextSCentered(ystart2, font_info,
8071                         "press the 'backspace' key.");
8072       ystart2 += ystep_line;
8073       DrawTextSCentered(ystart2, font_info,
8074                         "To skip a button or axis,");
8075       ystart2 += ystep_line;
8076       DrawTextSCentered(ystart2, font_info,
8077                         "press the 'return' key.");
8078       ystart2 += ystep_line;
8079       DrawTextSCentered(ystart2, font_info,
8080                         "To exit, press the 'escape' key.");
8081 #endif
8082
8083       BlitBitmapMasked(controller, drawto, 0, 0,
8084                        controller->width, controller->height,
8085                        controller_x, controller_y);
8086
8087       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8088       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8089
8090       BlitBitmapMasked(marker, drawto, 0, 0,
8091                        marker->width, marker->height,
8092                        marker_x, marker_y);
8093
8094       if (!screen_initialized)
8095         FadeIn(REDRAW_FIELD);
8096       else
8097         BackToFront();
8098
8099       screen_initialized = TRUE;
8100
8101       while (NextValidEvent(&event))
8102       {
8103         switch (event.type)
8104         {
8105           case SDL_JOYAXISMOTION:
8106             if (event.jaxis.value > 20000 ||
8107                 event.jaxis.value < -20000)
8108             {
8109               for (j = 0; j < i; j++)
8110                 if (steps[j].axis == event.jaxis.axis)
8111                   break;
8112
8113               if (j == i)
8114               {
8115                 if (step->marker != MARKER_AXIS_X &&
8116                     step->marker != MARKER_AXIS_Y)
8117                   break;
8118
8119                 step->axis = event.jaxis.axis;
8120                 strcat(mapping, step->field);
8121                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8122                 strcat(mapping, temp);
8123                 i++;
8124                 next = TRUE;
8125               }
8126             }
8127
8128             break;
8129
8130           case SDL_JOYHATMOTION:
8131             // ignore centering; we're probably just coming back
8132             // to the center from the previous item we set
8133             if (event.jhat.value == SDL_HAT_CENTERED)
8134               break;
8135
8136             for (j = 0; j < i; j++)
8137               if (steps[j].hat == event.jhat.hat &&
8138                   steps[j].hat_value == event.jhat.value)
8139                 break;
8140
8141             if (j == i)
8142             {
8143               step->hat = event.jhat.hat;
8144               step->hat_value = event.jhat.value;
8145               strcat(mapping, step->field);
8146               snprintf(temp, sizeof(temp), ":h%u.%u,",
8147                        event.jhat.hat, event.jhat.value );
8148               strcat(mapping, temp);
8149               i++;
8150               next = TRUE;
8151             }
8152
8153             break;
8154
8155           case SDL_JOYBALLMOTION:
8156             break;
8157
8158           case SDL_JOYBUTTONUP:
8159             for (j = 0; j < i; j++)
8160               if (steps[j].button == event.jbutton.button)
8161                 break;
8162
8163             if (j == i)
8164             {
8165               step->button = event.jbutton.button;
8166               strcat(mapping, step->field);
8167               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8168               strcat(mapping, temp);
8169               i++;
8170               next = TRUE;
8171             }
8172
8173             break;
8174
8175           case SDL_FINGERDOWN:
8176           case SDL_MOUSEBUTTONDOWN:
8177             // skip this step
8178             i++;
8179             next = TRUE;
8180
8181             break;
8182
8183           case SDL_KEYDOWN:
8184             if (event.key.keysym.sym == KSYM_BackSpace ||
8185                 event.key.keysym.sym == KSYM_Back)
8186             {
8187               if (i == 0)
8188               {
8189                 // leave screen
8190                 success = FALSE;
8191                 done = TRUE;
8192
8193                 break;
8194               }
8195
8196               // undo this step
8197               prev_step = &steps[i - 1];
8198               strcpy(mapping, prev_step->mapping);
8199               i--;
8200               next = TRUE;
8201
8202               break;
8203             }
8204
8205             if (event.key.keysym.sym == KSYM_space ||
8206                 event.key.keysym.sym == KSYM_Return ||
8207                 event.key.keysym.sym == KSYM_Menu)
8208             {
8209               // skip this step
8210               i++;
8211               next = TRUE;
8212
8213               break;
8214             }
8215
8216             if (event.key.keysym.sym == KSYM_Escape)
8217             {
8218               // leave screen
8219               success = FALSE;
8220               done = TRUE;
8221             }
8222
8223             break;
8224
8225           case SDL_QUIT:
8226             program.exit_function(0);
8227             break;
8228
8229           default:
8230             break;
8231         }
8232
8233         // do not handle events for longer than standard frame delay period
8234         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8235           break;
8236       }
8237     }
8238   }
8239
8240   if (success)
8241   {
8242 #if DEBUG_JOYSTICKS
8243     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8244 #endif
8245
8246     // activate mapping for this game
8247     SDL_GameControllerAddMapping(mapping);
8248
8249     // save mapping to personal mappings
8250     SaveSetup_AddGameControllerMapping(mapping);
8251   }
8252
8253   // wait until the last pending event was removed from event queue
8254   while (NextValidEvent(&event));
8255
8256   return success;
8257 }
8258
8259 static int ConfigureJoystickMain(int player_nr)
8260 {
8261   char *device_name = setup.input[player_nr].joy.device_name;
8262   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8263   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8264   int success = FALSE;
8265   int i;
8266
8267   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8268     return JOYSTICK_NOT_AVAILABLE;
8269
8270   if (!joystick_active || !setup.input[player_nr].use_joystick)
8271     return JOYSTICK_NOT_AVAILABLE;
8272
8273   FadeSetEnterMenu();
8274   FadeOut(REDRAW_FIELD);
8275
8276   // close all joystick devices (potentially opened as game controllers)
8277   for (i = 0; i < SDL_NumJoysticks(); i++)
8278     SDLCloseJoystick(i);
8279
8280   // open joystick device as plain joystick to configure as game controller
8281   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8282
8283   // as the joystick was successfully opened before, this should not happen
8284   if (joystick == NULL)
8285     return FALSE;
8286
8287   // create new game controller mapping (buttons and axes) for joystick device
8288   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8289
8290   // close joystick (and maybe re-open as configured game controller later)
8291   SDL_JoystickClose(joystick);
8292
8293   // re-open all joystick devices (potentially as game controllers)
8294   for (i = 0; i < SDL_NumJoysticks(); i++)
8295     SDLOpenJoystick(i);
8296
8297   // clear all joystick input actions for all joystick devices
8298   SDLClearJoystickState();
8299
8300   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8301 }
8302
8303 void ConfigureJoystick(int player_nr)
8304 {
8305   boolean state = ConfigureJoystickMain(player_nr);
8306
8307   if (state != JOYSTICK_NOT_CONFIGURED)
8308   {
8309     boolean success = (state == JOYSTICK_CONFIGURED);
8310     char message1[MAX_OUTPUT_LINESIZE + 1];
8311     char *message2 = (success ? "configured!" : "not available!");
8312     char *device_name = setup.input[player_nr].joy.device_name;
8313     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8314     int font_nr = FONT_TITLE_1;
8315     int font_height = getFontHeight(font_nr);
8316     int ypos1 = SYSIZE / 2 - font_height * 2;
8317     int ypos2 = SYSIZE / 2 - font_height * 1;
8318     unsigned int wait_frame_delay = 0;
8319     unsigned int wait_frame_delay_value = 2000;
8320
8321     ResetDelayCounter(&wait_frame_delay);
8322
8323     ClearField();
8324
8325     sprintf(message1, "Joystick %d", nr);
8326
8327     DrawTextSCentered(ypos1, font_nr, message1);
8328     DrawTextSCentered(ypos2, font_nr, message2);
8329
8330     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8331       BackToFront();
8332
8333     ClearEventQueue();
8334   }
8335
8336   DrawSetupScreen_Input();
8337 }
8338
8339 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8340 {
8341   if (y < video.screen_height / 3)
8342   {
8343     // remap touch gadgets to access upper part of the screen
8344     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8345     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8346   }
8347   else if (y > 2 * video.screen_height / 3)
8348   {
8349     // remap touch gadgets to access lower part of the screen
8350     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8351     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8352   }
8353 }
8354
8355 static boolean ConfigureVirtualButtonsMain(void)
8356 {
8357   static char *customize_step_text[] =
8358   {
8359     "Move Left",
8360     "Move Right",
8361     "Move Up",
8362     "Move Down",
8363     "Snap Field",
8364     "Drop Element"
8365   };
8366   char grid_button[] =
8367   {
8368     CHAR_GRID_BUTTON_LEFT,
8369     CHAR_GRID_BUTTON_RIGHT,
8370     CHAR_GRID_BUTTON_UP,
8371     CHAR_GRID_BUTTON_DOWN,
8372     CHAR_GRID_BUTTON_SNAP,
8373     CHAR_GRID_BUTTON_DROP
8374   };
8375   enum
8376   {
8377     ACTION_NONE,
8378     ACTION_ESCAPE,
8379     ACTION_BACK,
8380     ACTION_NEXT
8381   };
8382   int font_nr = FONT_INPUT_1_ACTIVE;
8383   int font_height = getFontHeight(font_nr);
8384   int ypos1 = SYSIZE / 2 - font_height * 2;
8385   int ypos2 = SYSIZE / 2 - font_height * 1;
8386   boolean success = FALSE;
8387   boolean finished = FALSE;
8388   int step_nr = 0;
8389   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8390   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8391   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8392   boolean set_grid_button = FALSE;
8393   int nr = GRID_ACTIVE_NR();
8394   int x, y;
8395
8396   for (x = 0; x < MAX_GRID_XSIZE; x++)
8397     for (y = 0; y < MAX_GRID_YSIZE; y++)
8398       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8399
8400   overlay.grid_button_highlight = grid_button[step_nr];
8401
8402   UnmapAllGadgets();
8403
8404   FadeSetEnterMenu();
8405   FadeOut(REDRAW_FIELD);
8406
8407   ClearField();
8408
8409   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8410   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8411   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8412
8413   FadeIn(REDRAW_FIELD);
8414
8415   SetOverlayShowGrid(TRUE);
8416
8417   // map gadgets for setup touch buttons menu screen
8418   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8419
8420   while (!finished)
8421   {
8422     Event event;
8423
8424     while (NextValidEvent(&event))
8425     {
8426       int action = ACTION_NONE;
8427
8428       // ---------- handle events and set the resulting action ----------
8429
8430       switch (event.type)
8431       {
8432         case EVENT_USER:
8433           {
8434             UserEvent *user = (UserEvent *)&event;
8435             int id = user->value1;
8436
8437             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8438                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8439                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8440                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8441                       ACTION_NONE);
8442           }
8443           break;
8444
8445         case EVENT_KEYPRESS:
8446           {
8447             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8448
8449             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8450                       key == KSYM_BackSpace ||
8451                       key == KSYM_Back ?        ACTION_BACK :
8452                       key == KSYM_Return ||
8453                       key == KSYM_Menu ||
8454                       key == KSYM_space ?       ACTION_NEXT :
8455                       ACTION_NONE);
8456           }
8457           break;
8458
8459         case EVENT_KEYRELEASE:
8460           key_joystick_mapping = 0;
8461           break;
8462
8463         case EVENT_BUTTONPRESS:
8464         case EVENT_BUTTONRELEASE:
8465           {
8466             ButtonEvent *button = (ButtonEvent *)&event;
8467
8468             motion_status = FALSE;
8469
8470             if (button->type == EVENT_BUTTONPRESS)
8471               button_status = button->button;
8472             else
8473               button_status = MB_RELEASED;
8474
8475             if (HandleGadgets(button->x, button->y, button_status))
8476             {
8477               // do not handle this button event anymore
8478               break;
8479             }
8480
8481             button->x += video.screen_xoffset;
8482             button->y += video.screen_yoffset;
8483
8484             x = button->x * overlay.grid_xsize / video.screen_width;
8485             y = button->y * overlay.grid_ysize / video.screen_height;
8486
8487             if (button->type == EVENT_BUTTONPRESS)
8488             {
8489               grid_button_draw =
8490                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8491                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8492
8493               set_grid_button = TRUE;
8494             }
8495
8496             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8497           }
8498           break;
8499
8500         case EVENT_MOTIONNOTIFY:
8501           {
8502             MotionEvent *motion = (MotionEvent *)&event;
8503
8504             motion_status = TRUE;
8505
8506             if (HandleGadgets(motion->x, motion->y, button_status))
8507             {
8508               // do not handle this button event anymore
8509               break;
8510             }
8511
8512             motion->x += video.screen_xoffset;
8513             motion->y += video.screen_yoffset;
8514
8515             x = motion->x * overlay.grid_xsize / video.screen_width;
8516             y = motion->y * overlay.grid_ysize / video.screen_height;
8517
8518             set_grid_button = TRUE;
8519
8520             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8521           }
8522           break;
8523
8524         case SDL_WINDOWEVENT:
8525           HandleWindowEvent((WindowEvent *) &event);
8526
8527           // check if device has been rotated
8528           if (nr != GRID_ACTIVE_NR())
8529           {
8530             nr = GRID_ACTIVE_NR();
8531
8532             for (x = 0; x < MAX_GRID_XSIZE; x++)
8533               for (y = 0; y < MAX_GRID_YSIZE; y++)
8534                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8535                   overlay.grid_button[x][y];
8536           }
8537
8538           break;
8539
8540         case SDL_APP_WILLENTERBACKGROUND:
8541         case SDL_APP_DIDENTERBACKGROUND:
8542         case SDL_APP_WILLENTERFOREGROUND:
8543         case SDL_APP_DIDENTERFOREGROUND:
8544           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8545           break;
8546
8547         default:
8548           HandleOtherEvents(&event);
8549           break;
8550       }
8551
8552       // ---------- perform action set by handling events ----------
8553
8554       if (action == ACTION_ESCAPE)
8555       {
8556         // abort and restore the old key bindings
8557
8558         for (x = 0; x < MAX_GRID_XSIZE; x++)
8559           for (y = 0; y < MAX_GRID_YSIZE; y++)
8560             overlay.grid_button[x][y] = grid_button_old[x][y];
8561
8562         FadeSkipNextFadeIn();
8563
8564         finished = TRUE;
8565       }
8566       else if (action == ACTION_BACK)
8567       {
8568         // keep the configured key bindings and go to previous page
8569
8570         step_nr--;
8571
8572         if (step_nr < 0)
8573         {
8574           FadeSkipNextFadeIn();
8575
8576           finished = TRUE;
8577         }
8578       }
8579       else if (action == ACTION_NEXT)
8580       {
8581         // keep the configured key bindings and go to next page
8582
8583         step_nr++;
8584
8585         // all virtual buttons configured
8586         if (step_nr == 6)
8587         {
8588           finished = TRUE;
8589           success = TRUE;
8590         }
8591       }
8592
8593       if (action != ACTION_NONE && !finished)
8594       {
8595         for (x = 0; x < MAX_GRID_XSIZE; x++)
8596           for (y = 0; y < MAX_GRID_YSIZE; y++)
8597             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8598
8599         overlay.grid_button_highlight = grid_button[step_nr];
8600
8601         // configure next virtual button
8602
8603         ClearField();
8604
8605         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8606         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8607         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8608       }
8609
8610       if (set_grid_button)
8611       {
8612         overlay.grid_button[x][y] =
8613           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8614            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8615            grid_button_tmp[x][y]);
8616
8617         set_grid_button = FALSE;
8618       }
8619     }
8620
8621     BackToFront();
8622   }
8623
8624   for (x = 0; x < MAX_GRID_XSIZE; x++)
8625     for (y = 0; y < MAX_GRID_YSIZE; y++)
8626       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8627
8628   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8629
8630   SetOverlayShowGrid(FALSE);
8631
8632   return success;
8633 }
8634
8635 void ConfigureVirtualButtons(void)
8636 {
8637   boolean success = ConfigureVirtualButtonsMain();
8638
8639   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8640                          SCREEN_MASK_TOUCH2);
8641
8642   if (success)
8643   {
8644     int font_nr = FONT_TITLE_1;
8645     int font_height = getFontHeight(font_nr);
8646     int ypos1 = SYSIZE / 2 - font_height * 2;
8647     int ypos2 = SYSIZE / 2 - font_height * 1;
8648     unsigned int wait_frame_delay = 0;
8649     unsigned int wait_frame_delay_value = 2000;
8650
8651     ResetDelayCounter(&wait_frame_delay);
8652
8653     ClearField();
8654
8655     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8656     DrawTextSCentered(ypos2, font_nr, "configured!");
8657
8658     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8659       BackToFront();
8660
8661     ClearEventQueue();
8662   }
8663 }
8664
8665 void DrawSetupScreen(void)
8666 {
8667   align_xoffset = 0;
8668   align_yoffset = 0;
8669
8670   if (setup_mode == SETUP_MODE_INPUT)
8671     DrawSetupScreen_Input();
8672   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8673     DrawChooseTree(&game_speed_current);
8674   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8675     DrawChooseTree(&scroll_delay_current);
8676   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8677     DrawChooseTree(&snapshot_mode_current);
8678   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8679     DrawChooseTree(&window_size_current);
8680   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8681     DrawChooseTree(&scaling_type_current);
8682   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8683     DrawChooseTree(&rendering_mode_current);
8684   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8685     DrawChooseTree(&vsync_mode_current);
8686   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8687     DrawChooseTree(&artwork.gfx_current);
8688   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8689     DrawChooseTree(&artwork.snd_current);
8690   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8691     DrawChooseTree(&artwork.mus_current);
8692   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8693     DrawChooseTree(&volume_simple_current);
8694   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8695     DrawChooseTree(&volume_loops_current);
8696   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8697     DrawChooseTree(&volume_music_current);
8698   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8699     DrawChooseTree(&touch_control_current);
8700   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8701     DrawChooseTree(&move_distance_current);
8702   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8703     DrawChooseTree(&drop_distance_current);
8704   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8705     DrawChooseTree(&transparency_current);
8706   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8707     DrawChooseTree(&grid_size_current[0][0]);
8708   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8709     DrawChooseTree(&grid_size_current[0][1]);
8710   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8711     DrawChooseTree(&grid_size_current[1][0]);
8712   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8713     DrawChooseTree(&grid_size_current[1][1]);
8714   else
8715     DrawSetupScreen_Generic();
8716
8717   PlayMenuSoundsAndMusic();
8718 }
8719
8720 void RedrawSetupScreenAfterFullscreenToggle(void)
8721 {
8722   if (setup_mode == SETUP_MODE_GRAPHICS ||
8723       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8724   {
8725     // update list selection from "setup.window_scaling_percent"
8726     execSetupGraphics_setWindowSizes(TRUE);
8727
8728     DrawSetupScreen();
8729   }
8730 }
8731
8732 void RedrawSetupScreenAfterScreenRotation(int nr)
8733 {
8734   int x, y;
8735
8736   if (setup_mode == SETUP_MODE_TOUCH)
8737   {
8738     // update virtual button settings (depending on screen orientation)
8739     DrawSetupScreen();
8740   }
8741   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8742   {
8743     // save already configured virtual buttons
8744     for (x = 0; x < MAX_GRID_XSIZE; x++)
8745       for (y = 0; y < MAX_GRID_YSIZE; y++)
8746         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8747   }
8748 }
8749
8750 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8751 {
8752   if (setup_mode == SETUP_MODE_INPUT)
8753     HandleSetupScreen_Input(mx, my, dx, dy, button);
8754   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8755     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8756   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8757     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8758   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8759     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8760   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8761     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8762   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8763     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8764   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8765     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8766   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8767     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8768   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8769     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8770   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8771     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8772   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8773     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8774   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8775     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8776   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8777     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8778   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8779     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8780   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8781     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8782   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8783     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8784   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8785     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8786   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8787     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8788   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8789     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8790   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8791     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8792   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8793     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8794   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8795     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8796   else
8797     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8798 }
8799
8800 void HandleGameActions(void)
8801 {
8802   if (setup.ask_on_game_over)
8803     CheckGameOver();
8804
8805   if (game.restart_game_message != NULL)
8806   {
8807     RequestRestartGame(game.restart_game_message);
8808
8809     return;
8810   }
8811
8812   if (game_status != GAME_MODE_PLAYING)
8813     return;
8814
8815   GameActions();        // main game loop
8816
8817   if (tape.auto_play && !tape.playing)
8818     AutoPlayTapes();    // continue automatically playing next tape
8819 }
8820
8821
8822 // ---------- new screen button stuff --------------------------------------
8823
8824 static struct
8825 {
8826   int gfx_unpressed, gfx_pressed;
8827   struct MenuPosInfo *pos;
8828   boolean *check_value;
8829   int gadget_id;
8830   int screen_mask;
8831   unsigned int event_mask;
8832   boolean is_touch_button;
8833   char *infotext;
8834 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8835 {
8836   {
8837     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8838     &menu.main.button.prev_level, NULL,
8839     SCREEN_CTRL_ID_PREV_LEVEL,
8840     SCREEN_MASK_MAIN,
8841     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8842     FALSE, "previous level"
8843   },
8844   {
8845     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8846     &menu.main.button.next_level, NULL,
8847     SCREEN_CTRL_ID_NEXT_LEVEL,
8848     SCREEN_MASK_MAIN,
8849     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8850     FALSE, "next level"
8851   },
8852   {
8853     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8854     &menu.main.button.first_level, NULL,
8855     SCREEN_CTRL_ID_FIRST_LEVEL,
8856     SCREEN_MASK_MAIN,
8857     GD_EVENT_RELEASED,
8858     FALSE, "first level"
8859   },
8860   {
8861     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8862     &menu.main.button.last_level, NULL,
8863     SCREEN_CTRL_ID_LAST_LEVEL,
8864     SCREEN_MASK_MAIN,
8865     GD_EVENT_RELEASED,
8866     FALSE, "last level"
8867   },
8868   {
8869     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8870     &menu.main.button.level_number, NULL,
8871     SCREEN_CTRL_ID_LEVEL_NUMBER,
8872     SCREEN_MASK_MAIN,
8873     GD_EVENT_RELEASED,
8874     FALSE, "level number"
8875   },
8876   {
8877     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8878     &menu.setup.button.prev_player, NULL,
8879     SCREEN_CTRL_ID_PREV_PLAYER,
8880     SCREEN_MASK_INPUT,
8881     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8882     FALSE, "previous player"
8883   },
8884   {
8885     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8886     &menu.setup.button.next_player, NULL,
8887     SCREEN_CTRL_ID_NEXT_PLAYER,
8888     SCREEN_MASK_INPUT,
8889     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8890     FALSE, "next player"
8891   },
8892   {
8893     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8894     &menu.main.button.insert_solution, NULL,
8895     SCREEN_CTRL_ID_INSERT_SOLUTION,
8896     SCREEN_MASK_MAIN_HAS_SOLUTION,
8897     GD_EVENT_RELEASED,
8898     FALSE, "insert solution tape"
8899   },
8900   {
8901     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8902     &menu.main.button.play_solution, NULL,
8903     SCREEN_CTRL_ID_PLAY_SOLUTION,
8904     SCREEN_MASK_MAIN_HAS_SOLUTION,
8905     GD_EVENT_RELEASED,
8906     FALSE, "play solution tape"
8907   },
8908   {
8909     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8910     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8911     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8912     SCREEN_MASK_MAIN,
8913     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8914     FALSE, "switch ECS/AGA chipset"
8915   },
8916   {
8917     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8918     &menu.setup.button.touch_back, NULL,
8919     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8920     SCREEN_MASK_TOUCH,
8921     GD_EVENT_RELEASED,
8922     TRUE, "previous page"
8923   },
8924   {
8925     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8926     &menu.setup.button.touch_next, NULL,
8927     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8928     SCREEN_MASK_TOUCH,
8929     GD_EVENT_RELEASED,
8930     TRUE, "next page"
8931   },
8932   {
8933     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8934     &menu.setup.button.touch_back2, NULL,
8935     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8936     SCREEN_MASK_TOUCH2,
8937     GD_EVENT_RELEASED,
8938     TRUE, "previous page"
8939   },
8940   {
8941     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8942     &menu.setup.button.touch_next2, NULL,
8943     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8944     SCREEN_MASK_TOUCH2,
8945     GD_EVENT_RELEASED,
8946     TRUE, "next page"
8947   },
8948 };
8949
8950 static struct
8951 {
8952   int gfx_unpressed, gfx_pressed;
8953   int x, y;
8954   int gadget_id;
8955   char *infotext;
8956 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8957 {
8958   {
8959     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8960     -1, -1,     // these values are not constant, but can change at runtime
8961     SCREEN_CTRL_ID_SCROLL_UP,
8962     "scroll up"
8963   },
8964   {
8965     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8966     -1, -1,     // these values are not constant, but can change at runtime
8967     SCREEN_CTRL_ID_SCROLL_DOWN,
8968     "scroll down"
8969   }
8970 };
8971
8972 static struct
8973 {
8974   int gfx_unpressed, gfx_pressed;
8975   int x, y;
8976   int width, height;
8977   int type;
8978   int gadget_id;
8979   char *infotext;
8980 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8981 {
8982   {
8983     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8984     -1, -1,     // these values are not constant, but can change at runtime
8985     -1, -1,     // these values are not constant, but can change at runtime
8986     GD_TYPE_SCROLLBAR_VERTICAL,
8987     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8988     "scroll level series vertically"
8989   }
8990 };
8991
8992 static struct
8993 {
8994   int graphic;
8995   int gadget_id;
8996   int x, y;
8997   int size;
8998   char *value;
8999   char *infotext;
9000 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9001 {
9002   {
9003     IMG_SETUP_INPUT_TEXT,
9004     SCREEN_CTRL_ID_NETWORK_SERVER,
9005     -1, -1,     // these values are not constant, but can change at runtime
9006     MAX_SETUP_TEXT_INPUT_LEN,
9007     network_server_hostname,
9008     "Network Server Hostname / IP"
9009   },
9010 };
9011
9012 static void CreateScreenMenubuttons(void)
9013 {
9014   struct GadgetInfo *gi;
9015   unsigned int event_mask;
9016   int i;
9017
9018   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9019   {
9020     struct MenuPosInfo *pos = menubutton_info[i].pos;
9021     boolean is_touch_button = menubutton_info[i].is_touch_button;
9022     boolean is_check_button = menubutton_info[i].check_value != NULL;
9023     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9024     int gfx_unpressed, gfx_pressed;
9025     int x, y, width, height;
9026     int gd_x1, gd_x2, gd_y1, gd_y2;
9027     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9028     int id = menubutton_info[i].gadget_id;
9029     int type = GD_TYPE_NORMAL_BUTTON;
9030     boolean checked = FALSE;
9031
9032     event_mask = menubutton_info[i].event_mask;
9033
9034     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9035     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9036
9037     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9038     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9039
9040     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9041     gfx_pressed   = menubutton_info[i].gfx_pressed;
9042     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9043     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9044     gd_x1 = graphic_info[gfx_unpressed].src_x;
9045     gd_y1 = graphic_info[gfx_unpressed].src_y;
9046     gd_x2 = graphic_info[gfx_pressed].src_x;
9047     gd_y2 = graphic_info[gfx_pressed].src_y;
9048     gd_x1a = gd_x1;
9049     gd_y1a = gd_y1;
9050     gd_x2a = gd_x2;
9051     gd_y2a = gd_y2;
9052
9053     if (is_touch_button)
9054     {
9055       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9056       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9057     }
9058
9059     if (is_check_button)
9060     {
9061       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9062       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9063       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9064       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9065
9066       type = GD_TYPE_CHECK_BUTTON;
9067       checked = *menubutton_info[i].check_value;
9068     }
9069
9070     gi = CreateGadget(GDI_CUSTOM_ID, id,
9071                       GDI_CUSTOM_TYPE_ID, i,
9072                       GDI_IMAGE_ID, gfx_unpressed,
9073                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9074                       GDI_X, x,
9075                       GDI_Y, y,
9076                       GDI_WIDTH, width,
9077                       GDI_HEIGHT, height,
9078                       GDI_TYPE, type,
9079                       GDI_STATE, GD_BUTTON_UNPRESSED,
9080                       GDI_CHECKED, checked,
9081                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9082                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9083                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9084                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9085                       GDI_DIRECT_DRAW, FALSE,
9086                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9087                       GDI_EVENT_MASK, event_mask,
9088                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9089                       GDI_END);
9090
9091     if (gi == NULL)
9092       Fail("cannot create gadget");
9093
9094     screen_gadget[id] = gi;
9095   }
9096 }
9097
9098 static void CreateScreenScrollbuttons(void)
9099 {
9100   struct GadgetInfo *gi;
9101   unsigned int event_mask;
9102   int i;
9103
9104   // these values are not constant, but can change at runtime
9105   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9106   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9107   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9108   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9109
9110   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9111   {
9112     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9113     int gfx_unpressed, gfx_pressed;
9114     int x, y, width, height;
9115     int gd_x1, gd_x2, gd_y1, gd_y2;
9116     int id = scrollbutton_info[i].gadget_id;
9117
9118     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9119
9120     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9121     y = mSY + scrollbutton_info[i].y;
9122     width = SC_SCROLLBUTTON_XSIZE;
9123     height = SC_SCROLLBUTTON_YSIZE;
9124
9125     // correct scrollbar position if placed outside menu (playfield) area
9126     if (x > SX + SC_SCROLL_UP_XPOS)
9127       x = SX + SC_SCROLL_UP_XPOS;
9128
9129     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9130       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9131                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9132
9133     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9134     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9135     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9136     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9137     gd_x1 = graphic_info[gfx_unpressed].src_x;
9138     gd_y1 = graphic_info[gfx_unpressed].src_y;
9139     gd_x2 = graphic_info[gfx_pressed].src_x;
9140     gd_y2 = graphic_info[gfx_pressed].src_y;
9141
9142     gi = CreateGadget(GDI_CUSTOM_ID, id,
9143                       GDI_CUSTOM_TYPE_ID, i,
9144                       GDI_IMAGE_ID, gfx_unpressed,
9145                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9146                       GDI_X, x,
9147                       GDI_Y, y,
9148                       GDI_WIDTH, width,
9149                       GDI_HEIGHT, height,
9150                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9151                       GDI_STATE, GD_BUTTON_UNPRESSED,
9152                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9153                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9154                       GDI_DIRECT_DRAW, FALSE,
9155                       GDI_EVENT_MASK, event_mask,
9156                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9157                       GDI_END);
9158
9159     if (gi == NULL)
9160       Fail("cannot create gadget");
9161
9162     screen_gadget[id] = gi;
9163   }
9164 }
9165
9166 static void CreateScreenScrollbars(void)
9167 {
9168   int i;
9169
9170   // these values are not constant, but can change at runtime
9171   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9172   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9173   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9174   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9175
9176   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9177   {
9178     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9179     int gfx_unpressed, gfx_pressed;
9180     int x, y, width, height;
9181     int gd_x1, gd_x2, gd_y1, gd_y2;
9182     struct GadgetInfo *gi;
9183     int items_max, items_visible, item_position;
9184     unsigned int event_mask;
9185     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9186     int id = scrollbar_info[i].gadget_id;
9187
9188     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9189
9190     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9191     y = mSY + scrollbar_info[i].y;
9192     width  = scrollbar_info[i].width;
9193     height = scrollbar_info[i].height;
9194
9195     // correct scrollbar position if placed outside menu (playfield) area
9196     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9197       x = SX + SC_SCROLL_VERTICAL_XPOS;
9198
9199     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9200       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9201
9202     items_max = num_page_entries;
9203     items_visible = num_page_entries;
9204     item_position = 0;
9205
9206     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9207     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9208     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9209     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9210     gd_x1 = graphic_info[gfx_unpressed].src_x;
9211     gd_y1 = graphic_info[gfx_unpressed].src_y;
9212     gd_x2 = graphic_info[gfx_pressed].src_x;
9213     gd_y2 = graphic_info[gfx_pressed].src_y;
9214
9215     gi = CreateGadget(GDI_CUSTOM_ID, id,
9216                       GDI_CUSTOM_TYPE_ID, i,
9217                       GDI_IMAGE_ID, gfx_unpressed,
9218                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9219                       GDI_X, x,
9220                       GDI_Y, y,
9221                       GDI_WIDTH, width,
9222                       GDI_HEIGHT, height,
9223                       GDI_TYPE, scrollbar_info[i].type,
9224                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9225                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9226                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9227                       GDI_WHEEL_AREA_X, SX,
9228                       GDI_WHEEL_AREA_Y, SY,
9229                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9230                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9231                       GDI_STATE, GD_BUTTON_UNPRESSED,
9232                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9233                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9234                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9235                       GDI_DIRECT_DRAW, FALSE,
9236                       GDI_EVENT_MASK, event_mask,
9237                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9238                       GDI_END);
9239
9240     if (gi == NULL)
9241       Fail("cannot create gadget");
9242
9243     screen_gadget[id] = gi;
9244   }
9245 }
9246
9247 static void CreateScreenTextInputGadgets(void)
9248 {
9249   int i;
9250
9251   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9252   {
9253     int graphic = textinput_info[i].graphic;
9254     struct GraphicInfo *gd = &graphic_info[graphic];
9255     int gd_x1 = gd->src_x;
9256     int gd_y1 = gd->src_y;
9257     int gd_x2 = gd->src_x + gd->active_xoffset;
9258     int gd_y2 = gd->src_y + gd->active_yoffset;
9259     struct GadgetInfo *gi;
9260     unsigned int event_mask;
9261     int id = textinput_info[i].gadget_id;
9262     int x = textinput_info[i].x;
9263     int y = textinput_info[i].y;
9264
9265     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9266
9267     gi = CreateGadget(GDI_CUSTOM_ID, id,
9268                       GDI_CUSTOM_TYPE_ID, i,
9269                       GDI_INFO_TEXT, textinput_info[i].infotext,
9270                       GDI_X, SX + x,
9271                       GDI_Y, SY + y,
9272                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9273                       GDI_TEXT_VALUE, textinput_info[i].value,
9274                       GDI_TEXT_SIZE, textinput_info[i].size,
9275                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9276                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9277                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9278                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9279                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9280                       GDI_DESIGN_WIDTH, gd->width,
9281                       GDI_EVENT_MASK, event_mask,
9282                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9283                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9284                       GDI_END);
9285
9286     if (gi == NULL)
9287       Fail("cannot create gadget");
9288
9289     screen_gadget[id] = gi;
9290   }
9291 }
9292
9293 void CreateScreenGadgets(void)
9294 {
9295   CreateScreenMenubuttons();
9296
9297   CreateScreenScrollbuttons();
9298   CreateScreenScrollbars();
9299
9300   CreateScreenTextInputGadgets();
9301 }
9302
9303 void FreeScreenGadgets(void)
9304 {
9305   int i;
9306
9307   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9308     FreeGadget(screen_gadget[i]);
9309 }
9310
9311 static void MapScreenMenuGadgets(int screen_mask)
9312 {
9313   int i;
9314
9315   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9316     if (screen_mask & menubutton_info[i].screen_mask)
9317       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9318 }
9319
9320 static void UnmapScreenMenuGadgets(int screen_mask)
9321 {
9322   int i;
9323
9324   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9325   {
9326     if (screen_mask & menubutton_info[i].screen_mask)
9327     {
9328       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9329
9330       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9331         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9332                        screen_gadget[menubutton_info[i].gadget_id]->y,
9333                        screen_gadget[menubutton_info[i].gadget_id]->width,
9334                        screen_gadget[menubutton_info[i].gadget_id]->height);
9335     }
9336   }
9337 }
9338
9339 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9340 {
9341   if (map_gadgets)
9342     MapScreenMenuGadgets(screen_mask);
9343   else
9344     UnmapScreenMenuGadgets(screen_mask);
9345 }
9346
9347 static void MapScreenGadgets(int num_entries)
9348 {
9349   int i;
9350
9351   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9352     return;
9353
9354   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9355     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9356
9357   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9358     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9359 }
9360
9361 static void MapScreenTreeGadgets(TreeInfo *ti)
9362 {
9363   MapScreenGadgets(numTreeInfoInGroup(ti));
9364 }
9365
9366 static void HandleScreenGadgets(struct GadgetInfo *gi)
9367 {
9368   int id = gi->custom_id;
9369   int button = gi->event.button;
9370   int step = (button == MB_LEFTBUTTON   ? 1 :
9371               button == MB_MIDDLEBUTTON ? 5 :
9372               button == MB_RIGHTBUTTON  ? 10 : 1);
9373
9374   switch (id)
9375   {
9376     case SCREEN_CTRL_ID_PREV_LEVEL:
9377       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9378       break;
9379
9380     case SCREEN_CTRL_ID_NEXT_LEVEL:
9381       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9382       break;
9383
9384     case SCREEN_CTRL_ID_FIRST_LEVEL:
9385       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9386       break;
9387
9388     case SCREEN_CTRL_ID_LAST_LEVEL:
9389       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9390       break;
9391
9392     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9393       CloseDoor(DOOR_CLOSE_2);
9394       SetGameStatus(GAME_MODE_LEVELNR);
9395       DrawChooseLevelNr();
9396       break;
9397
9398     case SCREEN_CTRL_ID_PREV_PLAYER:
9399       HandleSetupScreen_Input_Player(step, -1);
9400       break;
9401
9402     case SCREEN_CTRL_ID_NEXT_PLAYER:
9403       HandleSetupScreen_Input_Player(step, +1);
9404       break;
9405
9406     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9407       InsertSolutionTape();
9408       break;
9409
9410     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9411       PlaySolutionTape();
9412       break;
9413
9414     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9415       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9416       DrawMainMenu();
9417       break;
9418
9419     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9420     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9421     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9422     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9423       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9424       break;
9425
9426     case SCREEN_CTRL_ID_SCROLL_UP:
9427       if (game_status == GAME_MODE_NAMES)
9428         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9429       else if (game_status == GAME_MODE_LEVELS)
9430         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9431       else if (game_status == GAME_MODE_LEVELNR)
9432         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9433       else if (game_status == GAME_MODE_SETUP)
9434         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9435       else if (game_status == GAME_MODE_INFO)
9436         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9437       break;
9438
9439     case SCREEN_CTRL_ID_SCROLL_DOWN:
9440       if (game_status == GAME_MODE_NAMES)
9441         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9442       else if (game_status == GAME_MODE_LEVELS)
9443         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9444       else if (game_status == GAME_MODE_LEVELNR)
9445         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9446       else if (game_status == GAME_MODE_SETUP)
9447         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9448       else if (game_status == GAME_MODE_INFO)
9449         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9450       break;
9451
9452     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9453       if (game_status == GAME_MODE_NAMES)
9454         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9455       else if (game_status == GAME_MODE_LEVELS)
9456         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9457       else if (game_status == GAME_MODE_LEVELNR)
9458         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9459       else if (game_status == GAME_MODE_SETUP)
9460         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9461       else if (game_status == GAME_MODE_INFO)
9462         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9463       break;
9464
9465     case SCREEN_CTRL_ID_NETWORK_SERVER:
9466     {
9467       if (!strEqual(gi->textinput.value, ""))
9468       {
9469         setString(&setup.network_server_hostname, gi->textinput.value);
9470
9471         network.server_host = setup.network_server_hostname;
9472       }
9473       else
9474       {
9475         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9476
9477         network.server_host = NULL;
9478       }
9479
9480       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9481         network.server_host = NULL;
9482
9483       execSetupGame_setNetworkServerText();
9484
9485       DrawSetupScreen();
9486
9487       break;
9488     }
9489
9490     default:
9491       break;
9492   }
9493 }
9494
9495 void DumpScreenIdentifiers(void)
9496 {
9497   int i;
9498
9499   Print("Active screen elements on current screen:\n");
9500
9501   for (i = 0; main_controls[i].nr != -1; i++)
9502   {
9503     struct MainControlInfo *mci = &main_controls[i];
9504
9505     if (mci->button_graphic != -1)
9506     {
9507       char *token = getTokenFromImageID(mci->button_graphic);
9508
9509       Print("- '%s'\n", token);
9510     }
9511   }
9512
9513   Print("Done.\n");
9514 }
9515
9516 boolean DoScreenAction(int image_id)
9517 {
9518   int i;
9519
9520   if (game_status != GAME_MODE_MAIN)
9521     return FALSE;
9522
9523   for (i = 0; main_controls[i].nr != -1; i++)
9524   {
9525     struct MainControlInfo *mci = &main_controls[i];
9526     struct MenuPosInfo *pos = mci->pos_button;
9527
9528     if (mci->button_graphic == image_id)
9529     {
9530       int x = mSX + pos->x;
9531       int y = mSY + pos->y;
9532
9533       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9534
9535       return TRUE;
9536     }
9537   }
9538
9539   return FALSE;
9540 }
9541
9542 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9543 {
9544   // get tree info node of newly added level or artwork set
9545   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9546   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9547                                                       tree_subdir_new);
9548   if (tree_node_new == NULL)    // should not happen
9549     return;
9550
9551   // if request dialog is active, do nothing
9552   if (game.request_active)
9553     return;
9554
9555   if (game_status == GAME_MODE_MAIN &&
9556       tree_type == TREE_TYPE_LEVEL_DIR)
9557   {
9558     // when adding new level set in main menu, select it as current level set
9559
9560     // change current level set to newly added level set from zip file
9561     leveldir_current = tree_node_new;
9562
9563     // change current level number to first level of newly added level set
9564     level_nr = leveldir_current->first_level;
9565
9566     // redraw screen to reflect changed level set
9567     DrawMainMenu();
9568
9569     // save this level set and level number as last selected level set
9570     SaveLevelSetup_LastSeries();
9571     SaveLevelSetup_SeriesInfo();
9572   }
9573   else if (game_status == GAME_MODE_LEVELS &&
9574            tree_type == TREE_TYPE_LEVEL_DIR)
9575   {
9576     // when adding new level set in level set menu, set cursor and update screen
9577
9578     leveldir_current = tree_node_new;
9579
9580     DrawChooseTree(&leveldir_current);
9581   }
9582   else if (game_status == GAME_MODE_SETUP)
9583   {
9584     // when adding new artwork set in setup menu, set cursor and update screen
9585
9586     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9587         tree_type == TREE_TYPE_GRAPHICS_DIR)
9588     {
9589       artwork.gfx_current = tree_node_new;
9590
9591       DrawChooseTree(&artwork.gfx_current);
9592     }
9593     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9594              tree_type == TREE_TYPE_SOUNDS_DIR)
9595     {
9596       artwork.snd_current = tree_node_new;
9597
9598       DrawChooseTree(&artwork.snd_current);
9599     }
9600     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9601              tree_type == TREE_TYPE_MUSIC_DIR)
9602     {
9603       artwork.mus_current = tree_node_new;
9604
9605       DrawChooseTree(&artwork.mus_current);
9606     }
9607   }
9608 }