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 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
 130
 131 // for input setup functions
 132 #define SETUPINPUT_SCREEN_POS_START     0
 133 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 134 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 135 #define SETUPINPUT_SCREEN_POS_END       13
 136
 137 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 138 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 139
 140 #define MAX_SETUP_TEXT_INPUT_LEN        28
 141
 142 // for various menu stuff
 143 #define MENU_SCREEN_START_XPOS          1
 144 #define MENU_SCREEN_START_YPOS          2
 145 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 146 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 147 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 148 #define MENU_TITLE1_YPOS                8
 149 #define MENU_TITLE2_YPOS                46
 150 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 151 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 152 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 153 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 154 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 155 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 156 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 157 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 158 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 159 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 160 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 161                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 162                                                          MENU_INFO_FONT_TITLE))
 163 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 164 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 165 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 166                                          MENU_SCREEN_INFO_YSTART2 -     \
 167                                          TILEY / 2)
 168 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 169 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 170                                          MENU_SCREEN_INFO_YSTEP)
 171 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 172   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 173    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 174    MAX_MENU_ENTRIES_ON_SCREEN)
 175 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 176                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 177                                             NUM_INFO_ELEMENTS_FROM_CONF)
 178 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 179 #define MAX_MENU_TEXT_LENGTH_BIG        13
 180 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 181
 182 // screen gadget identifiers
 183 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 184 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 185 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 186 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 187 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 188 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 189 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 190 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 191 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 192 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 195 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 196 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 197 #define SCREEN_CTRL_ID_SCROLL_UP        14
 198 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 199 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 200 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 201
 202 #define NUM_SCREEN_GADGETS              18
 203
 204 #define NUM_SCREEN_MENUBUTTONS          14
 205 #define NUM_SCREEN_SCROLLBUTTONS        2
 206 #define NUM_SCREEN_SCROLLBARS           1
 207 #define NUM_SCREEN_TEXTINPUT            1
 208
 209 #define SCREEN_MASK_MAIN                (1 << 0)
 210 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 211 #define SCREEN_MASK_INPUT               (1 << 2)
 212 #define SCREEN_MASK_TOUCH               (1 << 3)
 213 #define SCREEN_MASK_TOUCH2              (1 << 4)
 214
 215 // graphic position and size values for buttons and scrollbars
 216 #define SC_MENUBUTTON_XSIZE             TILEX
 217 #define SC_MENUBUTTON_YSIZE             TILEY
 218
 219 #define SC_SCROLLBUTTON_XSIZE           TILEX
 220 #define SC_SCROLLBUTTON_YSIZE           TILEY
 221
 222 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 223
 224 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 225 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 226                                          SC_SCROLLBUTTON_YSIZE)
 227
 228 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 229 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 230
 231 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 232 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 233                                          SC_SCROLLBUTTON_YSIZE)
 234
 235 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 236 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 237                                          SC_SCROLL_VERTICAL_YSIZE)
 238
 239 #define SC_BORDER_SIZE                  14
 240
 241
 242 // forward declarations of internal functions
 243 static void HandleScreenGadgets(struct GadgetInfo *);
 244 static void HandleSetupScreen_Generic(int, int, int, int, int);
 245 static void HandleSetupScreen_Input(int, int, int, int, int);
 246 static void CustomizeKeyboard(int);
 247 static void ConfigureJoystick(int);
 248 static void ConfigureVirtualButtons(void);
 249 static void execSetupGame(void);
 250 static void execSetupEngines(void);
 251 static void execSetupGraphics(void);
 252 static void execSetupSound(void);
 253 static void execSetupTouch(void);
 254 static void execSetupArtwork(void);
 255 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 256
 257 static void DrawChoosePlayerName(void);
 258 static void DrawChooseLevelSet(void);
 259 static void DrawChooseLevelNr(void);
 260 static void DrawInfoScreen(void);
 261 static void DrawSetupScreen(void);
 262 static void DrawTypeName(void);
 263
 264 static void DrawInfoScreen_NotAvailable(char *, char *);
 265 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 266 static void DrawInfoScreen_HelpText(int, int, int, int);
 267 static void HandleInfoScreen_Main(int, int, int, int, int);
 268 static void HandleInfoScreen_TitleScreen(int);
 269 static void HandleInfoScreen_Elements(int);
 270 static void HandleInfoScreen_Music(int);
 271 static void HandleInfoScreen_Credits(int);
 272 static void HandleInfoScreen_Program(int);
 273 static void HandleInfoScreen_Version(int);
 274
 275 static void ModifyGameSpeedIfNeeded(void);
 276 static void DisableVsyncIfNeeded(void);
 277
 278 static void MapScreenMenuGadgets(int);
 279 static void UnmapScreenMenuGadgets(int);
 280 static void MapScreenGadgets(int);
 281 static void MapScreenTreeGadgets(TreeInfo *);
 282
 283 static void UpdateScreenMenuGadgets(int, boolean);
 284
 285 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 286
 287 static int info_mode = INFO_MODE_MAIN;
 288 static int setup_mode = SETUP_MODE_MAIN;
 289
 290 static TreeInfo *window_sizes = NULL;
 291 static TreeInfo *window_size_current = NULL;
 292
 293 static TreeInfo *scaling_types = NULL;
 294 static TreeInfo *scaling_type_current = NULL;
 295
 296 static TreeInfo *rendering_modes = NULL;
 297 static TreeInfo *rendering_mode_current = NULL;
 298
 299 static TreeInfo *vsync_modes = NULL;
 300 static TreeInfo *vsync_mode_current = NULL;
 301
 302 static TreeInfo *scroll_delays = NULL;
 303 static TreeInfo *scroll_delay_current = NULL;
 304
 305 static TreeInfo *snapshot_modes = NULL;
 306 static TreeInfo *snapshot_mode_current = NULL;
 307
 308 static TreeInfo *game_speeds_normal = NULL;
 309 static TreeInfo *game_speeds_extended = NULL;
 310 static TreeInfo *game_speeds = NULL;
 311 static TreeInfo *game_speed_current = NULL;
 312
 313 static TreeInfo *volumes_simple = NULL;
 314 static TreeInfo *volume_simple_current = NULL;
 315
 316 static TreeInfo *volumes_loops = NULL;
 317 static TreeInfo *volume_loops_current = NULL;
 318
 319 static TreeInfo *volumes_music = NULL;
 320 static TreeInfo *volume_music_current = NULL;
 321
 322 static TreeInfo *touch_controls = NULL;
 323 static TreeInfo *touch_control_current = NULL;
 324
 325 static TreeInfo *move_distances = NULL;
 326 static TreeInfo *move_distance_current = NULL;
 327
 328 static TreeInfo *drop_distances = NULL;
 329 static TreeInfo *drop_distance_current = NULL;
 330
 331 static TreeInfo *transparencies = NULL;
 332 static TreeInfo *transparency_current = NULL;
 333
 334 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 335 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 336
 337 static TreeInfo *player_name = NULL;
 338 static TreeInfo *player_name_current = NULL;
 339
 340 static TreeInfo *level_number = NULL;
 341 static TreeInfo *level_number_current = NULL;
 342
 343 static struct ValueTextInfo window_sizes_list[] =
 344 {
 345   {     50,     "50 %"                          },
 346   {     80,     "80 %"                          },
 347   {     90,     "90 %"                          },
 348   {     100,    "100 % (Default)"               },
 349   {     110,    "110 %"                         },
 350   {     120,    "120 %"                         },
 351   {     130,    "130 %"                         },
 352   {     140,    "140 %"                         },
 353   {     150,    "150 %"                         },
 354   {     200,    "200 %"                         },
 355   {     250,    "250 %"                         },
 356   {     300,    "300 %"                         },
 357
 358   {     -1,     NULL                            },
 359 };
 360
 361 static struct StringValueTextInfo scaling_types_list[] =
 362 {
 363   {     SCALING_QUALITY_NEAREST, "Off"          },
 364   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 365   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 366
 367   {     NULL,                    NULL           },
 368 };
 369
 370 static struct StringValueTextInfo rendering_modes_list[] =
 371 {
 372   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 373   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 374 #if DEBUG
 375   // this mode may work under certain conditions, but does not work on Windows
 376   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 377 #endif
 378   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 379
 380   {     NULL,                            NULL                            },
 381 };
 382
 383 static struct StringValueTextInfo vsync_modes_list[] =
 384 {
 385   {     STR_VSYNC_MODE_OFF,             "Off"           },
 386   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 387   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 388
 389   {     NULL,                            NULL           },
 390 };
 391
 392 static struct ValueTextInfo game_speeds_list_normal[] =
 393 {
 394   {     30,     "Very Slow"                     },
 395   {     25,     "Slow"                          },
 396   {     20,     "Normal"                        },
 397   {     15,     "Fast"                          },
 398   {     10,     "Very Fast"                     },
 399
 400   {     -1,     NULL                            },
 401 };
 402
 403 static struct ValueTextInfo game_speeds_list_extended[] =
 404 {
 405   {     1000,   "1 fps (Extremely Slow)"        },
 406   {     500,    "2 fps"                         },
 407   {     200,    "5 fps"                         },
 408   {     100,    "10 fps"                        },
 409   {     50,     "20 fps"                        },
 410   {     29,     "35 fps (Original Supaplex)"    },
 411   {     25,     "40 fps"                        },
 412   {     20,     "50 fps (=== Normal Speed ===)" },
 413   {     16,     "60 fps (60 Hz VSync Speed)"    },
 414   {     14,     "70 fps (Maximum Supaplex)"     },
 415   {     10,     "100 fps"                       },
 416   {     5,      "200 fps"                       },
 417   {     2,      "500 fps"                       },
 418   {     1,      "1000 fps (Extremely Fast)"     },
 419
 420   {     -1,     NULL                            },
 421 };
 422
 423 static struct ValueTextInfo *game_speeds_list;
 424
 425 static struct ValueTextInfo scroll_delays_list[] =
 426 {
 427   {     0,      "0 Tiles (No Scroll Delay)"     },
 428   {     1,      "1 Tile"                        },
 429   {     2,      "2 Tiles"                       },
 430   {     3,      "3 Tiles (Default)"             },
 431   {     4,      "4 Tiles"                       },
 432   {     5,      "5 Tiles"                       },
 433   {     6,      "6 Tiles"                       },
 434   {     7,      "7 Tiles"                       },
 435   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 436
 437   {     -1,     NULL                            },
 438 };
 439
 440 static struct StringValueTextInfo snapshot_modes_list[] =
 441 {
 442   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 443   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 444   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 445   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 446
 447   {     NULL,                                   NULL            },
 448 };
 449
 450 static struct ValueTextInfo volumes_list[] =
 451 {
 452   {     0,      "0 %"                           },
 453   {     1,      "1 %"                           },
 454   {     2,      "2 %"                           },
 455   {     5,      "5 %"                           },
 456   {     10,     "10 %"                          },
 457   {     20,     "20 %"                          },
 458   {     30,     "30 %"                          },
 459   {     40,     "40 %"                          },
 460   {     50,     "50 %"                          },
 461   {     60,     "60 %"                          },
 462   {     70,     "70 %"                          },
 463   {     80,     "80 %"                          },
 464   {     90,     "90 %"                          },
 465   {     100,    "100 %"                         },
 466
 467   {     -1,     NULL                            },
 468 };
 469
 470 static struct StringValueTextInfo touch_controls_list[] =
 471 {
 472   {     TOUCH_CONTROL_OFF,              "Off"                   },
 473   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 474   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 475   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 476
 477   {     NULL,                           NULL                    },
 478 };
 479
 480 static struct ValueTextInfo distances_list[] =
 481 {
 482   {     1,      "1 %"                           },
 483   {     2,      "2 %"                           },
 484   {     3,      "3 %"                           },
 485   {     4,      "4 %"                           },
 486   {     5,      "5 %"                           },
 487   {     10,     "10 %"                          },
 488   {     15,     "15 %"                          },
 489   {     20,     "20 %"                          },
 490   {     25,     "25 %"                          },
 491
 492   {     -1,     NULL                            },
 493 };
 494
 495 static struct ValueTextInfo transparencies_list[] =
 496 {
 497   {     0,      "0 % (Opaque)"                  },
 498   {     10,     "10 %"                          },
 499   {     20,     "20 %"                          },
 500   {     30,     "30 %"                          },
 501   {     40,     "40 %"                          },
 502   {     50,     "50 %"                          },
 503   {     60,     "60 %"                          },
 504   {     70,     "70 %"                          },
 505   {     80,     "80 %"                          },
 506   {     90,     "90 %"                          },
 507   {     100,    "100 % (Invisible)"             },
 508
 509   {     -1,     NULL                            },
 510 };
 511
 512 static struct ValueTextInfo grid_sizes_list[] =
 513 {
 514   {     3,      "3"                             },
 515   {     4,      "4"                             },
 516   {     5,      "5"                             },
 517   {     6,      "6"                             },
 518   {     7,      "7"                             },
 519   {     8,      "8"                             },
 520   {     9,      "9"                             },
 521   {     10,     "10"                            },
 522   {     11,     "11"                            },
 523   {     12,     "12"                            },
 524   {     13,     "13"                            },
 525   {     14,     "14"                            },
 526   {     15,     "15"                            },
 527   {     16,     "16"                            },
 528   {     17,     "17"                            },
 529   {     18,     "18"                            },
 530   {     19,     "19"                            },
 531   {     20,     "20"                            },
 532   {     21,     "21"                            },
 533   {     22,     "22"                            },
 534   {     23,     "23"                            },
 535   {     24,     "24"                            },
 536   {     25,     "25"                            },
 537   {     26,     "26"                            },
 538   {     27,     "27"                            },
 539   {     28,     "28"                            },
 540   {     29,     "29"                            },
 541   {     30,     "30"                            },
 542   {     31,     "31"                            },
 543   {     32,     "32"                            },
 544
 545   {     -1,     NULL                            },
 546 };
 547
 548 static int align_xoffset = 0;
 549 static int align_yoffset = 0;
 550
 551 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 552                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 553                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 554                                  GAME_MODE_MAIN :                       \
 555                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 556                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 557
 558 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 559 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 560                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 561                                  INFO_MODE_MAIN)
 562
 563 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 564                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 565                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 566                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 567                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 568                                  SETUP_MODE_CHOOSE_OTHER)
 569
 570 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 571                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 572                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 573 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 574                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 575                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 576 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 577                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 578                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 579
 580 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 581                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 582                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 583 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 584                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 585                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 586 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 587                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 588                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 589
 590 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 591                                  DRAW_XOFFSET_INFO(info_mode) :         \
 592                                  (s) == GAME_MODE_SETUP ?               \
 593                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 594                                  menu.draw_xoffset[DRAW_MODE(s)])
 595 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 596                                  DRAW_YOFFSET_INFO(info_mode) :         \
 597                                  (s) == GAME_MODE_SETUP ?               \
 598                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 599                                  menu.draw_yoffset[DRAW_MODE(s)])
 600 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 601                                  EXTRA_SPACING_INFO(info_mode) :        \
 602                                  (s) == GAME_MODE_SETUP ?               \
 603                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 604                                  menu.extra_spacing[DRAW_MODE(s)])
 605
 606 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 607 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 608
 609 #define amSX                    (mSX + align_xoffset)
 610 #define amSY                    (mSY + align_yoffset)
 611
 612 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 613                                     menu.list_size[game_status] :       \
 614                                     MAX_MENU_ENTRIES_ON_SCREEN)
 615
 616 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 617                                          NUM_MENU_ENTRIES_ON_SCREEN)
 618
 619
 620 // title display and control definitions
 621
 622 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 623                                  2 * MAX_NUM_TITLE_MESSAGES)
 624
 625 #define NO_DIRECT_LEVEL_SELECT  (-1)
 626
 627
 628 static int num_title_screens = 0;
 629
 630 struct TitleControlInfo
 631 {
 632   boolean is_image;
 633   boolean initial;
 634   boolean first;
 635   int local_nr;
 636   int sort_priority;
 637 };
 638
 639 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 640
 641 // main menu display and control definitions
 642
 643 #define MAIN_CONTROL_NAME                       0
 644 #define MAIN_CONTROL_LEVELS                     1
 645 #define MAIN_CONTROL_SCORES                     2
 646 #define MAIN_CONTROL_EDITOR                     3
 647 #define MAIN_CONTROL_INFO                       4
 648 #define MAIN_CONTROL_GAME                       5
 649 #define MAIN_CONTROL_SETUP                      6
 650 #define MAIN_CONTROL_QUIT                       7
 651 #define MAIN_CONTROL_PREV_LEVEL                 8
 652 #define MAIN_CONTROL_NEXT_LEVEL                 9
 653 #define MAIN_CONTROL_FIRST_LEVEL                10
 654 #define MAIN_CONTROL_LAST_LEVEL                 11
 655 #define MAIN_CONTROL_LEVEL_NUMBER               12
 656 #define MAIN_CONTROL_LEVEL_INFO_1               13
 657 #define MAIN_CONTROL_LEVEL_INFO_2               14
 658 #define MAIN_CONTROL_LEVEL_NAME                 15
 659 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 660 #define MAIN_CONTROL_LEVEL_YEAR                 17
 661 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 662 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 663 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 664 #define MAIN_CONTROL_TITLE_1                    21
 665 #define MAIN_CONTROL_TITLE_2                    22
 666 #define MAIN_CONTROL_TITLE_3                    23
 667
 668 static char str_main_text_name[10];
 669 static char str_main_text_first_level[10];
 670 static char str_main_text_last_level[10];
 671 static char str_main_text_level_number[10];
 672
 673 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 674
 675 static char *main_text_name                     = str_main_text_name;
 676 static char *main_text_first_level              = str_main_text_first_level;
 677 static char *main_text_last_level               = str_main_text_last_level;
 678 static char *main_text_level_number             = str_main_text_level_number;
 679 static char *main_text_levels                   = "Levelset";
 680 static char *main_text_scores                   = "Hall Of Fame";
 681 static char *main_text_editor                   = "Level Creator";
 682 static char *main_text_info                     = "Info Screen";
 683 static char *main_text_game                     = "Start Game";
 684 static char *main_text_setup                    = "Setup";
 685 static char *main_text_quit                     = "Quit";
 686 static char *main_text_level_name               = level.name;
 687 static char *main_text_level_author             = level.author;
 688 static char *main_text_level_year               = NULL;
 689 static char *main_text_level_imported_from      = NULL;
 690 static char *main_text_level_imported_by        = NULL;
 691 static char *main_text_level_tested_by          = NULL;
 692 static char *main_text_title_1                  = NULL;
 693 static char *main_text_title_2                  = NULL;
 694 static char *main_text_title_3                  = NULL;
 695
 696 extern char debug_xsn_mode[];
 697
 698 struct MainControlInfo
 699 {
 700   int nr;
 701
 702   struct MenuPosInfo *pos_button;
 703   int button_graphic;
 704
 705   struct TextPosInfo *pos_text;
 706   char **text;
 707
 708   struct TextPosInfo *pos_input;
 709   char **input;
 710 };
 711
 712 static struct MainControlInfo main_controls[] =
 713 {
 714   {
 715     MAIN_CONTROL_NAME,
 716     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 717     &menu.main.text.name,               &main_text_name,
 718     &menu.main.input.name,              &setup.player_name,
 719   },
 720   {
 721     MAIN_CONTROL_LEVELS,
 722     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 723     &menu.main.text.levels,             &main_text_levels,
 724     NULL,                               NULL,
 725   },
 726   {
 727     MAIN_CONTROL_SCORES,
 728     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 729     &menu.main.text.scores,             &main_text_scores,
 730     NULL,                               NULL,
 731   },
 732   {
 733     MAIN_CONTROL_EDITOR,
 734     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 735     &menu.main.text.editor,             &main_text_editor,
 736     NULL,                               NULL,
 737   },
 738   {
 739     MAIN_CONTROL_INFO,
 740     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 741     &menu.main.text.info,               &main_text_info,
 742     NULL,                               NULL,
 743   },
 744   {
 745     MAIN_CONTROL_GAME,
 746     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 747     &menu.main.text.game,               &main_text_game,
 748     NULL,                               NULL,
 749   },
 750   {
 751     MAIN_CONTROL_SETUP,
 752     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 753     &menu.main.text.setup,              &main_text_setup,
 754     NULL,                               NULL,
 755   },
 756   {
 757     MAIN_CONTROL_QUIT,
 758     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 759     &menu.main.text.quit,               &main_text_quit,
 760     NULL,                               NULL,
 761   },
 762   {
 763     MAIN_CONTROL_PREV_LEVEL,
 764     NULL,                               -1,
 765     NULL,                               NULL,
 766     NULL,                               NULL,
 767   },
 768   {
 769     MAIN_CONTROL_NEXT_LEVEL,
 770     NULL,                               -1,
 771     NULL,                               NULL,
 772     NULL,                               NULL,
 773   },
 774   {
 775     MAIN_CONTROL_FIRST_LEVEL,
 776     NULL,                               -1,
 777     &menu.main.text.first_level,        &main_text_first_level,
 778     NULL,                               NULL,
 779   },
 780   {
 781     MAIN_CONTROL_LAST_LEVEL,
 782     NULL,                               -1,
 783     &menu.main.text.last_level,         &main_text_last_level,
 784     NULL,                               NULL,
 785   },
 786   {
 787     MAIN_CONTROL_LEVEL_NUMBER,
 788     NULL,                               -1,
 789     &menu.main.text.level_number,       &main_text_level_number,
 790     NULL,                               NULL,
 791   },
 792   {
 793     MAIN_CONTROL_LEVEL_INFO_1,
 794     NULL,                               -1,
 795     &menu.main.text.level_info_1,       NULL,
 796     NULL,                               NULL,
 797   },
 798   {
 799     MAIN_CONTROL_LEVEL_INFO_2,
 800     NULL,                               -1,
 801     &menu.main.text.level_info_2,       NULL,
 802     NULL,                               NULL,
 803   },
 804   {
 805     MAIN_CONTROL_LEVEL_NAME,
 806     NULL,                               -1,
 807     &menu.main.text.level_name,         &main_text_level_name,
 808     NULL,                               NULL,
 809   },
 810   {
 811     MAIN_CONTROL_LEVEL_AUTHOR,
 812     NULL,                               -1,
 813     &menu.main.text.level_author,       &main_text_level_author,
 814     NULL,                               NULL,
 815   },
 816   {
 817     MAIN_CONTROL_LEVEL_YEAR,
 818     NULL,                               -1,
 819     &menu.main.text.level_year,         &main_text_level_year,
 820     NULL,                               NULL,
 821   },
 822   {
 823     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 824     NULL,                               -1,
 825     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 826     NULL,                               NULL,
 827   },
 828   {
 829     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 830     NULL,                               -1,
 831     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 832     NULL,                               NULL,
 833   },
 834   {
 835     MAIN_CONTROL_LEVEL_TESTED_BY,
 836     NULL,                               -1,
 837     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 838     NULL,                               NULL,
 839   },
 840   {
 841     MAIN_CONTROL_TITLE_1,
 842     NULL,                               -1,
 843     &menu.main.text.title_1,            &main_text_title_1,
 844     NULL,                               NULL,
 845   },
 846   {
 847     MAIN_CONTROL_TITLE_2,
 848     NULL,                               -1,
 849     &menu.main.text.title_2,            &main_text_title_2,
 850     NULL,                               NULL,
 851   },
 852   {
 853     MAIN_CONTROL_TITLE_3,
 854     NULL,                               -1,
 855     &menu.main.text.title_3,            &main_text_title_3,
 856     NULL,                               NULL,
 857   },
 858
 859   {
 860     -1,
 861     NULL,                               -1,
 862     NULL,                               NULL,
 863     NULL,                               NULL,
 864   }
 865 };
 866
 867
 868 static int getTitleScreenGraphic(int nr, boolean initial)
 869 {
 870   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 871 }
 872
 873 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 874 {
 875   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 876 }
 877
 878 #if 0
 879 static int getTitleScreenGameMode(boolean initial)
 880 {
 881   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 882 }
 883 #endif
 884
 885 static int getTitleMessageGameMode(boolean initial)
 886 {
 887   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 888 }
 889
 890 static int getTitleAnimMode(struct TitleControlInfo *tci)
 891 {
 892   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 893
 894   return base + tci->local_nr;
 895 }
 896
 897 #if 0
 898 static int getTitleScreenBackground(boolean initial)
 899 {
 900   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 901 }
 902 #endif
 903
 904 #if 0
 905 static int getTitleMessageBackground(int nr, boolean initial)
 906 {
 907   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 908 }
 909 #endif
 910
 911 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 912 {
 913   int base = (is_image ?
 914               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 915                          IMG_BACKGROUND_TITLESCREEN_1) :
 916               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 917                          IMG_BACKGROUND_TITLEMESSAGE_1));
 918   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 919                                   IMG_BACKGROUND_TITLE);
 920   int graphic_local = base + nr;
 921
 922   if (graphic_info[graphic_local].bitmap != NULL)
 923     return graphic_local;
 924
 925   if (graphic_info[graphic_global].bitmap != NULL)
 926     return graphic_global;
 927
 928   return IMG_UNDEFINED;
 929 }
 930
 931 static int getTitleSound(struct TitleControlInfo *tci)
 932 {
 933   boolean is_image = tci->is_image;
 934   int initial = tci->initial;
 935   int nr = tci->local_nr;
 936   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 937   int base = (is_image ?
 938               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 939                          SND_BACKGROUND_TITLESCREEN_1) :
 940               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 941                          SND_BACKGROUND_TITLEMESSAGE_1));
 942   int sound_global = menu.sound[mode];
 943   int sound_local = base + nr;
 944
 945 #if 0
 946   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 947         nr, initial, is_image,
 948         sound_global, getSoundListEntry(sound_global)->filename,
 949         sound_local, getSoundListEntry(sound_local)->filename);
 950 #endif
 951
 952   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 953     return sound_local;
 954
 955   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 956     return sound_global;
 957
 958   return SND_UNDEFINED;
 959 }
 960
 961 static int getTitleMusic(struct TitleControlInfo *tci)
 962 {
 963   boolean is_image = tci->is_image;
 964   int initial = tci->initial;
 965   int nr = tci->local_nr;
 966   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 967   int base = (is_image ?
 968               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 969                          MUS_BACKGROUND_TITLESCREEN_1) :
 970               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 971                          MUS_BACKGROUND_TITLEMESSAGE_1));
 972   int music_global = menu.music[mode];
 973   int music_local = base + nr;
 974
 975 #if 0
 976   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 977         nr, initial, is_image,
 978         music_global, getMusicListEntry(music_global)->filename,
 979         music_local, getMusicListEntry(music_local)->filename);
 980 #endif
 981
 982   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 983     return music_local;
 984
 985   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 986     return music_global;
 987
 988   return MUS_UNDEFINED;
 989 }
 990
 991 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 992 {
 993   boolean is_image = tci->is_image;
 994   boolean initial = tci->initial;
 995   boolean first = tci->first;
 996   int nr = tci->local_nr;
 997   struct TitleMessageInfo tmi;
 998   struct TitleFadingInfo ti;
 999
1000   tmi = (is_image ? (initial ? (first ?
1001                                 titlescreen_initial_first[nr] :
1002                                 titlescreen_initial[nr])
1003                              : (first ?
1004                                 titlescreen_first[nr] :
1005                                 titlescreen[nr]))
1006                   : (initial ? (first ?
1007                                 titlemessage_initial_first[nr] :
1008                                 titlemessage_initial[nr])
1009                              : (first ?
1010                                 titlemessage_first[nr] :
1011                                 titlemessage[nr])));
1012
1013   ti.fade_mode  = tmi.fade_mode;
1014   ti.fade_delay = tmi.fade_delay;
1015   ti.post_delay = tmi.post_delay;
1016   ti.auto_delay = tmi.auto_delay;
1017   ti.auto_delay_unit = tmi.auto_delay_unit;
1018
1019   return ti;
1020 }
1021
1022 static int compareTitleControlInfo(const void *object1, const void *object2)
1023 {
1024   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1025   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1026   int compare_result;
1027
1028   if (tci1->initial != tci2->initial)
1029     compare_result = (tci1->initial ? -1 : +1);
1030   else if (tci1->sort_priority != tci2->sort_priority)
1031     compare_result = tci1->sort_priority - tci2->sort_priority;
1032   else if (tci1->is_image != tci2->is_image)
1033     compare_result = (tci1->is_image ? -1 : +1);
1034   else
1035     compare_result = tci1->local_nr - tci2->local_nr;
1036
1037   return compare_result;
1038 }
1039
1040 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1041                                                     boolean initial,
1042                                                     int nr, int sort_priority)
1043 {
1044   title_controls[num_title_screens].is_image = is_image;
1045   title_controls[num_title_screens].initial = initial;
1046   title_controls[num_title_screens].local_nr = nr;
1047   title_controls[num_title_screens].sort_priority = sort_priority;
1048
1049   title_controls[num_title_screens].first = FALSE;      // will be set later
1050
1051   num_title_screens++;
1052 }
1053
1054 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1055 {
1056   int i;
1057
1058   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1059   {
1060     int graphic = getTitleScreenGraphic(i, initial);
1061     Bitmap *bitmap = graphic_info[graphic].bitmap;
1062     int sort_priority = graphic_info[graphic].sort_priority;
1063
1064     if (bitmap != NULL)
1065       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1066   }
1067
1068   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1069   {
1070     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1071     char *filename = getLevelSetTitleMessageFilename(i, initial);
1072     int sort_priority = tmi->sort_priority;
1073
1074     if (filename != NULL)
1075       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1076   }
1077 }
1078
1079 static void InitializeTitleControls(boolean show_title_initial)
1080 {
1081   num_title_screens = 0;
1082
1083   // 1st step: initialize title screens for game start (only when starting)
1084   if (show_title_initial)
1085     InitializeTitleControls_CheckTitleInfo(TRUE);
1086
1087   // 2nd step: initialize title screens for current level set
1088   InitializeTitleControls_CheckTitleInfo(FALSE);
1089
1090   // sort title screens according to sort_priority and title number
1091   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1092         compareTitleControlInfo);
1093
1094   // mark first title screen
1095   title_controls[0].first = TRUE;
1096 }
1097
1098 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1099 {
1100   return (pos != NULL && pos->x != -1 && pos->y != -1);
1101 }
1102
1103 static boolean visibleTextPos(struct TextPosInfo *pos)
1104 {
1105   return (pos != NULL && pos->x != -1 && pos->y != -1);
1106 }
1107
1108 static void InitializeMainControls(void)
1109 {
1110   boolean local_team_mode = (!network.enabled && setup.team_mode);
1111   int i;
1112
1113   // set main control text values to dynamically determined values
1114   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1115
1116   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1117                                          menu.main.text.first_level.size));
1118   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1119                                          menu.main.text.last_level.size));
1120   strcpy(main_text_level_number, int2str(level_nr,
1121                                          menu.main.text.level_number.size));
1122
1123   main_text_level_year          = leveldir_current->year;
1124   main_text_level_imported_from = leveldir_current->imported_from;
1125   main_text_level_imported_by   = leveldir_current->imported_by;
1126   main_text_level_tested_by     = leveldir_current->tested_by;
1127
1128   main_text_title_1 = getConfigProgramTitleString();
1129   main_text_title_2 = getConfigProgramCopyrightString();
1130   main_text_title_3 = getConfigProgramCompanyString();
1131
1132   // set main control screen positions to dynamically determined values
1133   for (i = 0; main_controls[i].nr != -1; i++)
1134   {
1135     struct MainControlInfo *mci = &main_controls[i];
1136     int nr                         = mci->nr;
1137     struct MenuPosInfo *pos_button = mci->pos_button;
1138     struct TextPosInfo *pos_text   = mci->pos_text;
1139     struct TextPosInfo *pos_input  = mci->pos_input;
1140     char *text                     = (mci->text  ? *mci->text  : NULL);
1141     char *input                    = (mci->input ? *mci->input : NULL);
1142     int button_graphic             = mci->button_graphic;
1143     int font_text                  = (pos_text  ? pos_text->font  : -1);
1144     int font_input                 = (pos_input ? pos_input->font : -1);
1145
1146     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1147     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1148     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1149     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1150     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1151     int input_chars = (input != NULL ? strlen(input) : 0);
1152
1153     int button_width =
1154       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1155     int button_height =
1156       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1157     int text_width   = font_text_width * text_chars;
1158     int text_height  = font_text_height;
1159     int input_width  = font_input_width * input_chars;
1160     int input_height = font_input_height;
1161
1162     if (nr == MAIN_CONTROL_NAME)
1163     {
1164       menu.main.input.name.width  = input_width;
1165       menu.main.input.name.height = input_height;
1166     }
1167
1168     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1169     {
1170       pos_button->width  = button_width;
1171       pos_button->height = button_height;
1172     }
1173
1174     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1175     {
1176       // calculate text size -- needed for text alignment
1177       boolean calculate_text_size = (text != NULL);
1178
1179       if (pos_text->width == -1 || calculate_text_size)
1180         pos_text->width = text_width;
1181       if (pos_text->height == -1 || calculate_text_size)
1182         pos_text->height = text_height;
1183
1184       if (visibleMenuPos(pos_button))
1185       {
1186         if (pos_text->x == -1)
1187           pos_text->x = pos_button->x + pos_button->width;
1188         if (pos_text->y == -1)
1189           pos_text->y =
1190             pos_button->y + (pos_button->height - pos_text->height) / 2;
1191       }
1192     }
1193
1194     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1195     {
1196       if (visibleTextPos(pos_text))
1197       {
1198         if (pos_input->x == -1)
1199           pos_input->x = pos_text->x + pos_text->width;
1200         if (pos_input->y == -1)
1201           pos_input->y = pos_text->y;
1202       }
1203
1204       if (pos_input->width == -1)
1205         pos_input->width = input_width;
1206       if (pos_input->height == -1)
1207         pos_input->height = input_height;
1208     }
1209   }
1210 }
1211
1212 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1213                                        int graphic, boolean pressed)
1214 {
1215   struct GraphicInfo *g = &graphic_info[graphic];
1216   Bitmap *src_bitmap;
1217   int src_x, src_y;
1218   int xoffset = (pressed ? g->pressed_xoffset : 0);
1219   int yoffset = (pressed ? g->pressed_yoffset : 0);
1220
1221   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1222
1223   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1224                    g->width, g->height, dst_x, dst_y);
1225 }
1226
1227 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1228                                        boolean active_input,
1229                                        boolean pressed_button)
1230 {
1231   int i;
1232
1233   for (i = 0; main_controls[i].nr != -1; i++)
1234   {
1235     struct MainControlInfo *mci = &main_controls[i];
1236
1237     if (mci->nr == nr || nr == -1)
1238     {
1239       struct MenuPosInfo *pos_button = mci->pos_button;
1240       struct TextPosInfo *pos_text   = mci->pos_text;
1241       struct TextPosInfo *pos_input  = mci->pos_input;
1242       char *text                     = (mci->text  ? *mci->text  : NULL);
1243       char *input                    = (mci->input ? *mci->input : NULL);
1244       int button_graphic             = mci->button_graphic;
1245       int font_text                  = (pos_text  ? pos_text->font  : -1);
1246       int font_input                 = (pos_input ? pos_input->font : -1);
1247
1248       if (active_text)
1249       {
1250         button_graphic = BUTTON_ACTIVE(button_graphic);
1251         font_text = FONT_ACTIVE(font_text);
1252       }
1253
1254       if (active_input)
1255       {
1256         font_input = FONT_ACTIVE(font_input);
1257       }
1258
1259       if (visibleMenuPos(pos_button))
1260       {
1261         struct MenuPosInfo *pos = pos_button;
1262         int x = mSX + pos->x;
1263         int y = mSY + pos->y;
1264
1265         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1266         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1267       }
1268
1269       if (visibleTextPos(pos_text) && text != NULL)
1270       {
1271         struct TextPosInfo *pos = pos_text;
1272         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1273         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1274
1275 #if 1
1276         // (check why/if this is needed)
1277         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1278 #endif
1279         DrawText(x, y, text, font_text);
1280       }
1281
1282       if (visibleTextPos(pos_input) && input != NULL)
1283       {
1284         struct TextPosInfo *pos = pos_input;
1285         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1286         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1287
1288 #if 1
1289         // (check why/if this is needed)
1290         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1291 #endif
1292         DrawText(x, y, input, font_input);
1293       }
1294     }
1295   }
1296 }
1297
1298 static void DrawCursorAndText_Main(int nr, boolean active_text,
1299                                    boolean pressed_button)
1300 {
1301   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1302 }
1303
1304 #if 0
1305 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1306                                          boolean pressed_button)
1307 {
1308   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1309 }
1310 #endif
1311
1312 static struct MainControlInfo *getMainControlInfo(int nr)
1313 {
1314   int i;
1315
1316   for (i = 0; main_controls[i].nr != -1; i++)
1317     if (main_controls[i].nr == nr)
1318       return &main_controls[i];
1319
1320   return NULL;
1321 }
1322
1323 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1324 {
1325   if (rect == NULL)
1326     return FALSE;
1327
1328   int rect_x = ALIGNED_TEXT_XPOS(rect);
1329   int rect_y = ALIGNED_TEXT_YPOS(rect);
1330
1331   return (x >= rect_x && x < rect_x + rect->width &&
1332           y >= rect_y && y < rect_y + rect->height);
1333 }
1334
1335 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1336 {
1337   if (rect == NULL)
1338     return FALSE;
1339
1340   int rect_x = ALIGNED_TEXT_XPOS(rect);
1341   int rect_y = ALIGNED_TEXT_YPOS(rect);
1342
1343 #if 0
1344   Debug("screens:insideTextPosRect",
1345         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1346         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1347         (x >= rect_x && x < rect_x + rect->width &&
1348          y >= rect_y && y < rect_y + rect->height));
1349 #endif
1350
1351   return (x >= rect_x && x < rect_x + rect->width &&
1352           y >= rect_y && y < rect_y + rect->height);
1353 }
1354
1355 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1356 {
1357   int rect_width  = preview->xsize * preview->tile_size;
1358   int rect_height = preview->ysize * preview->tile_size;
1359   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1360   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1361
1362   return (x >= rect_x && x < rect_x + rect_width &&
1363           y >= rect_y && y < rect_y + rect_height);
1364 }
1365
1366 static void AdjustScrollbar(int id, int items_max, int items_visible,
1367                             int item_position)
1368 {
1369   struct GadgetInfo *gi = screen_gadget[id];
1370
1371   if (item_position > items_max - items_visible)
1372     item_position = items_max - items_visible;
1373
1374   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1375                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1376                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1377 }
1378
1379 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1380 {
1381   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1382                   first_entry);
1383 }
1384
1385 static void clearMenuListArea(void)
1386 {
1387   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1388
1389   // correct scrollbar position if placed outside menu (playfield) area
1390   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1391     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1392
1393   // clear menu list area, but not title or scrollbar
1394   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1395                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1396 }
1397
1398 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1399 {
1400   static int cursor_array[MAX_LEV_FIELDY];
1401   int x = amSX + TILEX * xpos;
1402   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1403
1404   if (xpos == 0)
1405   {
1406     if (graphic != -1)
1407       cursor_array[ypos] = graphic;
1408     else
1409       graphic = cursor_array[ypos];
1410   }
1411
1412   if (active)
1413     graphic = BUTTON_ACTIVE(graphic);
1414
1415   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1416   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1417 }
1418
1419 static void initCursor(int ypos, int graphic)
1420 {
1421   drawCursorExt(0, ypos, FALSE, graphic);
1422 }
1423
1424 static void drawCursor(int ypos, boolean active)
1425 {
1426   drawCursorExt(0, ypos, active, -1);
1427 }
1428
1429 static void drawCursorXY(int xpos, int ypos, int graphic)
1430 {
1431   drawCursorExt(xpos, ypos, FALSE, graphic);
1432 }
1433
1434 static void drawChooseTreeCursor(int ypos, boolean active)
1435 {
1436   drawCursorExt(0, ypos, active, -1);
1437 }
1438
1439 static int getChooseTreeEditFont(boolean active)
1440 {
1441   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1442 }
1443
1444 static int getChooseTreeEditXPos(int pos)
1445 {
1446   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1447   int xoffset = (has_scrollbar ? -1 : 0);
1448   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1449   int sx = amSX + xpos * TILEX;
1450   int font_nr = getChooseTreeEditFont(FALSE);
1451   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1452
1453   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1454 }
1455
1456 static int getChooseTreeEditYPos(int ypos_raw)
1457 {
1458   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1459   int sy = amSY + ypos * TILEY;
1460
1461   return sy;
1462 }
1463
1464 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1465 {
1466   int sx = getChooseTreeEditXPos(POS_LEFT);
1467   int sy = getChooseTreeEditYPos(ypos_raw);
1468   int font_nr = getChooseTreeEditFont(active);
1469
1470   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1471 }
1472
1473 static void DrawHeadline(void)
1474 {
1475   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1476   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1477 }
1478
1479 static void DrawTitleScreenImage(int nr, boolean initial)
1480 {
1481   int graphic = getTitleScreenGraphic(nr, initial);
1482   Bitmap *bitmap = graphic_info[graphic].bitmap;
1483   int width  = graphic_info[graphic].width;
1484   int height = graphic_info[graphic].height;
1485   int src_x = graphic_info[graphic].src_x;
1486   int src_y = graphic_info[graphic].src_y;
1487   int dst_x, dst_y;
1488
1489   if (bitmap == NULL)
1490     return;
1491
1492   if (width > WIN_XSIZE)
1493   {
1494     // image width too large for window => center image horizontally
1495     src_x = (width - WIN_XSIZE) / 2;
1496     width = WIN_XSIZE;
1497   }
1498
1499   if (height > WIN_YSIZE)
1500   {
1501     // image height too large for window => center image vertically
1502     src_y = (height - WIN_YSIZE) / 2;
1503     height = WIN_YSIZE;
1504   }
1505
1506   // always display title screens centered
1507   dst_x = (WIN_XSIZE - width) / 2;
1508   dst_y = (WIN_YSIZE - height) / 2;
1509
1510   SetDrawBackgroundMask(REDRAW_ALL);
1511   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1512
1513   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1514
1515   if (DrawingOnBackground(dst_x, dst_y))
1516     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1517   else
1518     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1519
1520   redraw_mask = REDRAW_ALL;
1521 }
1522
1523 static void DrawTitleScreenMessage(int nr, boolean initial)
1524 {
1525   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1526   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1527
1528   if (filename == NULL)
1529     return;
1530
1531   // force TITLE font on title message screen
1532   SetFontStatus(getTitleMessageGameMode(initial));
1533
1534   // if chars *and* width set to "-1", automatically determine width
1535   if (tmi->chars == -1 && tmi->width == -1)
1536     tmi->width = viewport.window[game_status].width;
1537
1538   // if lines *and* height set to "-1", automatically determine height
1539   if (tmi->lines == -1 && tmi->height == -1)
1540     tmi->height = viewport.window[game_status].height;
1541
1542   // if chars set to "-1", automatically determine by text and font width
1543   if (tmi->chars == -1)
1544     tmi->chars = tmi->width / getFontWidth(tmi->font);
1545   else
1546     tmi->width = tmi->chars * getFontWidth(tmi->font);
1547
1548   // if lines set to "-1", automatically determine by text and font height
1549   if (tmi->lines == -1)
1550     tmi->lines = tmi->height / getFontHeight(tmi->font);
1551   else
1552     tmi->height = tmi->lines * getFontHeight(tmi->font);
1553
1554   // if x set to "-1", automatically determine by width and alignment
1555   if (tmi->x == -1)
1556     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1557
1558   // if y set to "-1", automatically determine by height and alignment
1559   if (tmi->y == -1)
1560     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1561
1562   SetDrawBackgroundMask(REDRAW_ALL);
1563   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1564
1565   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1566
1567   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1568                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1569                tmi->autowrap, tmi->centered, tmi->parse_comments);
1570
1571   ResetFontStatus();
1572 }
1573
1574 static void DrawTitleScreen(void)
1575 {
1576   KeyboardAutoRepeatOff();
1577
1578   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1579 }
1580
1581 static boolean CheckTitleScreen(boolean levelset_has_changed)
1582 {
1583   static boolean show_title_initial = TRUE;
1584   boolean show_titlescreen = FALSE;
1585
1586   // needed to be able to skip title screen, if no image or message defined
1587   InitializeTitleControls(show_title_initial);
1588
1589   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1590     show_titlescreen = TRUE;
1591
1592   // show initial title images and messages only once at program start
1593   show_title_initial = FALSE;
1594
1595   return (show_titlescreen && num_title_screens > 0);
1596 }
1597
1598 void DrawMainMenu(void)
1599 {
1600   static LevelDirTree *leveldir_last_valid = NULL;
1601   boolean levelset_has_changed = FALSE;
1602   int fade_mask = REDRAW_FIELD;
1603
1604   LimitScreenUpdates(FALSE);
1605
1606   FadeSetLeaveScreen();
1607
1608   // do not fade out here -- function may continue and fade on editor screen
1609
1610   UnmapAllGadgets();
1611   FadeMenuSoundsAndMusic();
1612
1613   ExpireSoundLoops(FALSE);
1614
1615   KeyboardAutoRepeatOn();
1616
1617   audio.sound_deactivated = FALSE;
1618
1619   GetPlayerConfig();
1620
1621   // needed if last screen was the playing screen, invoked from level editor
1622   if (level_editor_test_game)
1623   {
1624     CloseDoor(DOOR_CLOSE_ALL);
1625
1626     SetGameStatus(GAME_MODE_EDITOR);
1627
1628     DrawLevelEd();
1629
1630     return;
1631   }
1632
1633   // leveldir_current may be invalid (level group, parent link, node copy)
1634   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1635
1636   if (leveldir_current != leveldir_last_valid)
1637   {
1638     UpdateLastPlayedLevels_TreeInfo();
1639
1640     levelset_has_changed = TRUE;
1641   }
1642
1643   // store valid level series information
1644   leveldir_last_valid = leveldir_current;
1645
1646   init_last = init;                     // switch to new busy animation
1647
1648   // needed if last screen (level choice) changed graphics, sounds or music
1649   ReloadCustomArtwork(0);
1650
1651   if (CheckTitleScreen(levelset_has_changed))
1652   {
1653     SetGameStatus(GAME_MODE_TITLE);
1654
1655     DrawTitleScreen();
1656
1657     return;
1658   }
1659
1660   if (redraw_mask & REDRAW_ALL)
1661     fade_mask = REDRAW_ALL;
1662
1663   if (CheckFadeAll())
1664     fade_mask = REDRAW_ALL;
1665
1666   FadeOut(fade_mask);
1667
1668   // needed if different viewport properties defined for menues
1669   ChangeViewportPropertiesIfNeeded();
1670
1671   SetDrawtoField(DRAW_TO_BACKBUFFER);
1672
1673   // level_nr may have been set to value over handicap with level editor
1674   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1675     level_nr = leveldir_current->handicap_level;
1676
1677   LoadLevel(level_nr);
1678   LoadScore(level_nr);
1679
1680   SaveLevelSetup_SeriesInfo();
1681
1682   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1683   SetDrawDeactivationMask(REDRAW_NONE);
1684   SetDrawBackgroundMask(REDRAW_FIELD);
1685
1686   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1687
1688 #if 0
1689   if (fade_mask == REDRAW_ALL)
1690     RedrawGlobalBorder();
1691 #endif
1692
1693   ClearField();
1694
1695   InitializeMainControls();
1696
1697   DrawCursorAndText_Main(-1, FALSE, FALSE);
1698   DrawPreviewLevelInitial();
1699   DrawNetworkPlayers();
1700
1701   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1702
1703   TapeStop();
1704   if (TAPE_IS_EMPTY(tape))
1705     LoadTape(level_nr);
1706   DrawCompleteVideoDisplay();
1707
1708   PlayMenuSoundsAndMusic();
1709
1710   // create gadgets for main menu screen
1711   FreeScreenGadgets();
1712   CreateScreenGadgets();
1713
1714   // may be required if audio buttons shown on tape and changed in setup menu
1715   FreeGameButtons();
1716   CreateGameButtons();
1717
1718   // map gadgets for main menu screen
1719   MapTapeButtons();
1720   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1721   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1722
1723   // copy actual game door content to door double buffer for OpenDoor()
1724   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1725   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1726
1727   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1728
1729   DrawMaskedBorder(fade_mask);
1730
1731   FadeIn(fade_mask);
1732   FadeSetEnterMenu();
1733
1734   // update screen area with special editor door
1735   redraw_mask |= REDRAW_ALL;
1736   BackToFront();
1737
1738   SetMouseCursor(CURSOR_DEFAULT);
1739
1740   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1741
1742 #if defined(PLATFORM_EMSCRIPTEN)
1743   EM_ASM
1744   (
1745     FS.syncfs(function(err)
1746     {
1747       assert(!err);
1748     });
1749   );
1750 #endif
1751 }
1752
1753 static void gotoTopLevelDir(void)
1754 {
1755   // move upwards until inside (but not above) top level directory
1756   while (leveldir_current->node_parent &&
1757          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1758   {
1759     // write a "path" into level tree for easy navigation to last level
1760     if (leveldir_current->node_parent->node_group->cl_first == -1)
1761     {
1762       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1763       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1764       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1765       int cl_first, cl_cursor;
1766
1767       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1768       cl_cursor = leveldir_pos - cl_first;
1769
1770       leveldir_current->node_parent->node_group->cl_first = cl_first;
1771       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1772     }
1773
1774     leveldir_current = leveldir_current->node_parent;
1775   }
1776 }
1777
1778 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1779 {
1780   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1781
1782   return (use_frame_counter ? video.frame_counter : Counter());
1783 }
1784
1785 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1786                                      struct TitleFadingInfo *fi)
1787 {
1788   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1789 }
1790
1791 static void ResetTitleAutoDelay(unsigned int *counter_var,
1792                                 struct TitleFadingInfo *fi)
1793 {
1794   *counter_var = getAutoDelayCounter(fi);
1795 }
1796
1797 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1798 {
1799   static unsigned int title_delay = 0;
1800   static int title_screen_nr = 0;
1801   static int last_sound = -1, last_music = -1;
1802   boolean return_to_main_menu = FALSE;
1803   struct TitleControlInfo *tci;
1804   int sound, music;
1805
1806   if (button == MB_MENU_INITIALIZE)
1807   {
1808     title_delay = 0;
1809     title_screen_nr = 0;
1810     tci = &title_controls[title_screen_nr];
1811
1812     SetAnimStatus(getTitleAnimMode(tci));
1813
1814     last_sound = SND_UNDEFINED;
1815     last_music = MUS_UNDEFINED;
1816
1817     if (num_title_screens != 0)
1818     {
1819       FadeSetEnterScreen();
1820
1821       // use individual title fading instead of global "enter screen" fading
1822       fading = getTitleFading(tci);
1823     }
1824
1825     if (game_status_last_screen == GAME_MODE_INFO)
1826     {
1827       if (num_title_screens == 0)
1828       {
1829         // switch game mode from title screen mode back to info screen mode
1830         SetGameStatus(GAME_MODE_INFO);
1831
1832         // store that last screen was info screen, not main menu screen
1833         game_status_last_screen = GAME_MODE_INFO;
1834
1835         DrawInfoScreen_NotAvailable("Title screen information:",
1836                                     "No title screen for this level set.");
1837         return;
1838       }
1839     }
1840
1841     FadeMenuSoundsAndMusic();
1842
1843     FadeOut(REDRAW_ALL);
1844
1845     // title screens may have different window size
1846     ChangeViewportPropertiesIfNeeded();
1847
1848     // only required to update logic for redrawing global border
1849     ClearField();
1850
1851     if (tci->is_image)
1852       DrawTitleScreenImage(tci->local_nr, tci->initial);
1853     else
1854       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1855
1856     sound = getTitleSound(tci);
1857     music = getTitleMusic(tci);
1858
1859     if (sound != last_sound)
1860       PlayMenuSoundExt(sound);
1861     if (music != last_music)
1862       PlayMenuMusicExt(music);
1863
1864     last_sound = sound;
1865     last_music = music;
1866
1867     SetMouseCursor(CURSOR_NONE);
1868
1869     FadeIn(REDRAW_ALL);
1870
1871     ResetTitleAutoDelay(&title_delay, &fading);
1872
1873     return;
1874   }
1875
1876   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1877     button = MB_MENU_CHOICE;
1878
1879   if (button == MB_MENU_LEAVE)
1880   {
1881     return_to_main_menu = TRUE;
1882   }
1883   else if (button == MB_MENU_CHOICE)
1884   {
1885     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1886     {
1887       SetGameStatus(GAME_MODE_INFO);
1888
1889       info_mode = INFO_MODE_MAIN;
1890
1891       DrawInfoScreen();
1892
1893       return;
1894     }
1895
1896     title_screen_nr++;
1897
1898     if (title_screen_nr < num_title_screens)
1899     {
1900       tci = &title_controls[title_screen_nr];
1901
1902       SetAnimStatus(getTitleAnimMode(tci));
1903
1904       sound = getTitleSound(tci);
1905       music = getTitleMusic(tci);
1906
1907       if (last_sound != SND_UNDEFINED && sound != last_sound)
1908         FadeSound(last_sound);
1909       if (last_music != MUS_UNDEFINED && music != last_music)
1910         FadeMusic();
1911
1912       fading = getTitleFading(tci);
1913
1914       FadeOut(REDRAW_ALL);
1915
1916       if (tci->is_image)
1917         DrawTitleScreenImage(tci->local_nr, tci->initial);
1918       else
1919         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1920
1921       sound = getTitleSound(tci);
1922       music = getTitleMusic(tci);
1923
1924       if (sound != last_sound)
1925         PlayMenuSoundExt(sound);
1926       if (music != last_music)
1927         PlayMenuMusicExt(music);
1928
1929       last_sound = sound;
1930       last_music = music;
1931
1932       FadeIn(REDRAW_ALL);
1933
1934       ResetTitleAutoDelay(&title_delay, &fading);
1935     }
1936     else
1937     {
1938       FadeMenuSoundsAndMusic();
1939
1940       return_to_main_menu = TRUE;
1941     }
1942   }
1943
1944   if (return_to_main_menu)
1945   {
1946     SetMouseCursor(CURSOR_DEFAULT);
1947
1948     // force full menu screen redraw after displaying title screens
1949     redraw_mask = REDRAW_ALL;
1950
1951     if (game_status_last_screen == GAME_MODE_INFO)
1952     {
1953       SetGameStatus(GAME_MODE_INFO);
1954
1955       info_mode = INFO_MODE_MAIN;
1956
1957       DrawInfoScreen();
1958     }
1959     else        // default: return to main menu
1960     {
1961       SetGameStatus(GAME_MODE_MAIN);
1962
1963       DrawMainMenu();
1964     }
1965   }
1966 }
1967
1968 static void HandleMainMenu_SelectLevel(int step, int direction,
1969                                        int selected_level_nr)
1970 {
1971   int old_level_nr = level_nr;
1972   int new_level_nr;
1973
1974   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1975     new_level_nr = selected_level_nr;
1976   else
1977     new_level_nr = old_level_nr + step * direction;
1978
1979   if (new_level_nr < leveldir_current->first_level)
1980     new_level_nr = leveldir_current->first_level;
1981   if (new_level_nr > leveldir_current->last_level)
1982     new_level_nr = leveldir_current->last_level;
1983
1984   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1985   {
1986     // skipping levels is only allowed when trying to skip single level
1987     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1988         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1989     {
1990       leveldir_current->handicap_level++;
1991       SaveLevelSetup_SeriesInfo();
1992     }
1993
1994     new_level_nr = leveldir_current->handicap_level;
1995   }
1996
1997   if (new_level_nr != old_level_nr)
1998   {
1999     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2000
2001     PlaySound(SND_MENU_ITEM_SELECTING);
2002
2003     level_nr = new_level_nr;
2004
2005     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2006              int2str(level_nr, menu.main.text.level_number.size),
2007              mci->pos_text->font);
2008
2009     LoadLevel(level_nr);
2010     DrawPreviewLevelInitial();
2011
2012     TapeErase();
2013     LoadTape(level_nr);
2014     DrawCompleteVideoDisplay();
2015
2016     SaveLevelSetup_SeriesInfo();
2017
2018     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2019
2020     // force redraw of playfield area (may be reset at this point)
2021     redraw_mask |= REDRAW_FIELD;
2022   }
2023 }
2024
2025 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2026 {
2027   static int choice = MAIN_CONTROL_GAME;
2028   static boolean button_pressed_last = FALSE;
2029   boolean button_pressed = FALSE;
2030   int pos = choice;
2031   int i = 0;    // needed to prevent compiler warning due to bad code below
2032
2033   if (button == MB_MENU_INITIALIZE)
2034   {
2035     DrawCursorAndText_Main(choice, TRUE, FALSE);
2036
2037     return;
2038   }
2039
2040   if (mx || my)         // mouse input
2041   {
2042     pos = -1;
2043
2044     for (i = 0; main_controls[i].nr != -1; i++)
2045     {
2046       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2047           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2048           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2049       {
2050         pos = main_controls[i].nr;
2051
2052         break;
2053       }
2054     }
2055
2056     // check if level preview was clicked
2057     if (insidePreviewRect(&preview, mx - SX, my - SY))
2058       pos = MAIN_CONTROL_GAME;
2059
2060     // handle pressed/unpressed state for active/inactive menu buttons
2061     // (if pos != -1, "i" contains index position corresponding to "pos")
2062     if (button &&
2063         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2064         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2065       button_pressed = TRUE;
2066
2067     if (button_pressed != button_pressed_last)
2068     {
2069       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2070
2071       if (button_pressed)
2072         PlaySound(SND_MENU_BUTTON_PRESSING);
2073       else
2074         PlaySound(SND_MENU_BUTTON_RELEASING);
2075     }
2076   }
2077   else if (dx || dy)    // keyboard input
2078   {
2079     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2080                    choice == MAIN_CONTROL_SETUP))
2081       button = MB_MENU_CHOICE;
2082     else if (dy)
2083       pos = choice + dy;
2084   }
2085
2086   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2087   {
2088     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2089   }
2090   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2091   {
2092     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2093   }
2094   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2095   {
2096     CloseDoor(DOOR_CLOSE_2);
2097
2098     SetGameStatus(GAME_MODE_LEVELNR);
2099
2100     DrawChooseLevelNr();
2101   }
2102   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2103   {
2104     if (button)
2105     {
2106       if (pos != choice)
2107       {
2108         PlaySound(SND_MENU_ITEM_ACTIVATING);
2109
2110         DrawCursorAndText_Main(choice, FALSE, FALSE);
2111         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2112
2113         choice = pos;
2114       }
2115       else if (dx != 0)
2116       {
2117         if (choice != MAIN_CONTROL_INFO &&
2118             choice != MAIN_CONTROL_SETUP)
2119           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2120       }
2121     }
2122     else
2123     {
2124       PlaySound(SND_MENU_ITEM_SELECTING);
2125
2126       if (pos == MAIN_CONTROL_NAME)
2127       {
2128         if ((mx || my) &&
2129             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2130         {
2131           // special case: menu text "name/team" clicked -- toggle team mode
2132           setup.team_mode = !setup.team_mode;
2133
2134           InitializeMainControls();
2135           DrawCursorAndText_Main(choice, TRUE, FALSE);
2136
2137           DrawPreviewPlayers();
2138         }
2139         else
2140         {
2141           if (setup.multiple_users)
2142           {
2143             CloseDoor(DOOR_CLOSE_2);
2144
2145             SetGameStatus(GAME_MODE_NAMES);
2146
2147             DrawChoosePlayerName();
2148           }
2149           else
2150           {
2151             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2152
2153             DrawTypeName();
2154           }
2155         }
2156       }
2157       else if (pos == MAIN_CONTROL_LEVELS)
2158       {
2159         if (leveldir_first)
2160         {
2161           CloseDoor(DOOR_CLOSE_2);
2162
2163           SetGameStatus(GAME_MODE_LEVELS);
2164
2165           SaveLevelSetup_LastSeries();
2166           SaveLevelSetup_SeriesInfo();
2167
2168           if (setup.internal.choose_from_top_leveldir)
2169             gotoTopLevelDir();
2170
2171           DrawChooseLevelSet();
2172         }
2173       }
2174       else if (pos == MAIN_CONTROL_SCORES)
2175       {
2176         CloseDoor(DOOR_CLOSE_2);
2177
2178         SetGameStatus(GAME_MODE_SCORES);
2179
2180         DrawHallOfFame(level_nr, -1);
2181       }
2182       else if (pos == MAIN_CONTROL_EDITOR)
2183       {
2184         if (leveldir_current->readonly &&
2185             setup.editor.show_read_only_warning)
2186           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2187
2188         CloseDoor(DOOR_CLOSE_ALL);
2189
2190         SetGameStatus(GAME_MODE_EDITOR);
2191
2192         FadeSetEnterScreen();
2193
2194         DrawLevelEd();
2195       }
2196       else if (pos == MAIN_CONTROL_INFO)
2197       {
2198         CloseDoor(DOOR_CLOSE_2);
2199
2200         SetGameStatus(GAME_MODE_INFO);
2201
2202         info_mode = INFO_MODE_MAIN;
2203
2204         DrawInfoScreen();
2205       }
2206       else if (pos == MAIN_CONTROL_GAME)
2207       {
2208         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2209       }
2210       else if (pos == MAIN_CONTROL_SETUP)
2211       {
2212         CloseDoor(DOOR_CLOSE_2);
2213
2214         SetGameStatus(GAME_MODE_SETUP);
2215
2216         setup_mode = SETUP_MODE_MAIN;
2217
2218         DrawSetupScreen();
2219       }
2220       else if (pos == MAIN_CONTROL_QUIT)
2221       {
2222         SaveLevelSetup_LastSeries();
2223         SaveLevelSetup_SeriesInfo();
2224
2225         if (!setup.ask_on_quit_program ||
2226             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2227           SetGameStatus(GAME_MODE_QUIT);
2228       }
2229     }
2230   }
2231
2232   button_pressed_last = button_pressed;
2233 }
2234
2235
2236 // ============================================================================
2237 // info screen functions
2238 // ============================================================================
2239
2240 static struct TokenInfo *info_info;
2241 static int num_info_info;       // number of info entries shown on screen
2242 static int max_info_info;       // total number of info entries in list
2243
2244 static void execInfoTitleScreen(void)
2245 {
2246   info_mode = INFO_MODE_TITLE;
2247
2248   DrawInfoScreen();
2249 }
2250
2251 static void execInfoElements(void)
2252 {
2253   info_mode = INFO_MODE_ELEMENTS;
2254
2255   DrawInfoScreen();
2256 }
2257
2258 static void execInfoMusic(void)
2259 {
2260   info_mode = INFO_MODE_MUSIC;
2261
2262   DrawInfoScreen();
2263 }
2264
2265 static void execInfoCredits(void)
2266 {
2267   info_mode = INFO_MODE_CREDITS;
2268
2269   DrawInfoScreen();
2270 }
2271
2272 static void execInfoProgram(void)
2273 {
2274   info_mode = INFO_MODE_PROGRAM;
2275
2276   DrawInfoScreen();
2277 }
2278
2279 static void execInfoVersion(void)
2280 {
2281   info_mode = INFO_MODE_VERSION;
2282
2283   DrawInfoScreen();
2284 }
2285
2286 static void execInfoLevelSet(void)
2287 {
2288   info_mode = INFO_MODE_LEVELSET;
2289
2290   DrawInfoScreen();
2291 }
2292
2293 static void execExitInfo(void)
2294 {
2295   SetGameStatus(GAME_MODE_MAIN);
2296
2297   DrawMainMenu();
2298 }
2299
2300 static struct TokenInfo info_info_main[] =
2301 {
2302   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2303   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2304   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2305   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2306   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2307   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2308   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2309   { TYPE_EMPTY,         NULL,                   ""                      },
2310   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2311
2312   { 0,                  NULL,                   NULL                    }
2313 };
2314
2315 static int getMenuTextFont(int type)
2316 {
2317   if (type & (TYPE_SWITCH       |
2318               TYPE_YES_NO       |
2319               TYPE_YES_NO_AUTO  |
2320               TYPE_STRING       |
2321               TYPE_PLAYER       |
2322               TYPE_ECS_AGA      |
2323               TYPE_KEYTEXT      |
2324               TYPE_ENTER_LIST   |
2325               TYPE_TEXT_INPUT))
2326     return FONT_MENU_2;
2327   else
2328     return FONT_MENU_1;
2329 }
2330
2331 static struct TokenInfo *setup_info;
2332 static struct TokenInfo setup_info_input[];
2333
2334 static struct TokenInfo *menu_info;
2335
2336 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2337                                        int screen_pos, int menu_info_pos_raw,
2338                                        boolean active)
2339 {
2340   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2341   struct TokenInfo *ti = &token_info[pos];
2342   int xpos = MENU_SCREEN_START_XPOS;
2343   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2344   int font_nr = getMenuTextFont(ti->type);
2345
2346   if (setup_mode == SETUP_MODE_INPUT)
2347     font_nr = FONT_MENU_1;
2348
2349   if (active)
2350     font_nr = FONT_ACTIVE(font_nr);
2351
2352   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2353
2354   if (ti->type & ~TYPE_SKIP_ENTRY)
2355     drawCursor(screen_pos, active);
2356 }
2357
2358 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2359                                    boolean active)
2360 {
2361   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2362 }
2363
2364 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2365                                     boolean active)
2366 {
2367   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2368 }
2369
2370 static char *window_size_text;
2371 static char *scaling_type_text;
2372 static char *network_server_text;
2373
2374 static void drawSetupValue(int, int);
2375
2376 static void drawMenuInfoList(int first_entry, int num_page_entries,
2377                              int max_page_entries)
2378 {
2379   int i;
2380
2381   if (first_entry + num_page_entries > max_page_entries)
2382     first_entry = 0;
2383
2384   clearMenuListArea();
2385
2386   for (i = 0; i < num_page_entries; i++)
2387   {
2388     int menu_info_pos = first_entry + i;
2389     struct TokenInfo *si = &menu_info[menu_info_pos];
2390     void *value_ptr = si->value;
2391
2392     // set some entries to "unchangeable" according to other variables
2393     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2394         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2395         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2396         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2397         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2398         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2399       si->type |= TYPE_GHOSTED;
2400
2401     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2402       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2403     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2404       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2405     else if (si->type & ~TYPE_SKIP_ENTRY)
2406       initCursor(i, IMG_MENU_BUTTON);
2407
2408     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2409
2410     if (si->type & TYPE_STRING)
2411     {
2412       int gadget_id = -1;
2413
2414       if (value_ptr == &network_server_text)
2415         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2416
2417       if (gadget_id != -1)
2418       {
2419         struct GadgetInfo *gi = screen_gadget[gadget_id];
2420         int xpos = MENU_SCREEN_START_XPOS;
2421         int ypos = MENU_SCREEN_START_YPOS + i;
2422         int x = mSX + xpos * 32;
2423         int y = mSY + ypos * 32;
2424
2425         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2426       }
2427     }
2428
2429     if (si->type & TYPE_VALUE &&
2430         menu_info == setup_info)
2431       drawSetupValue(i, menu_info_pos);
2432   }
2433 }
2434
2435 static void DrawInfoScreen_Main(void)
2436 {
2437   int fade_mask = REDRAW_FIELD;
2438   int i;
2439
2440   if (redraw_mask & REDRAW_ALL)
2441     fade_mask = REDRAW_ALL;
2442
2443   if (CheckFadeAll())
2444     fade_mask = REDRAW_ALL;
2445
2446   UnmapAllGadgets();
2447   FadeMenuSoundsAndMusic();
2448
2449   FreeScreenGadgets();
2450   CreateScreenGadgets();
2451
2452   // (needed after displaying title screens which disable auto repeat)
2453   KeyboardAutoRepeatOn();
2454
2455   FadeSetLeaveScreen();
2456
2457   FadeOut(fade_mask);
2458
2459   // needed if different viewport properties defined for info screen
2460   ChangeViewportPropertiesIfNeeded();
2461
2462   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2463
2464   ClearField();
2465
2466   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2467
2468   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2469
2470   info_info = info_info_main;
2471
2472   // determine maximal number of info entries that can be displayed on screen
2473   num_info_info = 0;
2474   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2475     num_info_info++;
2476
2477   // determine maximal number of info entries available for menu of info screen
2478   max_info_info = 0;
2479   for (i = 0; info_info[i].type != 0; i++)
2480     max_info_info++;
2481
2482   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2483
2484   MapScreenGadgets(max_info_info);
2485
2486   PlayMenuSoundsAndMusic();
2487
2488   DrawMaskedBorder(fade_mask);
2489
2490   FadeIn(fade_mask);
2491 }
2492
2493 static void changeSetupValue(int, int, int);
2494
2495 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2496                              int mode, int num_page_entries,
2497                              int max_page_entries)
2498 {
2499   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2500   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2501   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2502   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2503   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2504   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2505   int *num_page_entries_last = num_page_entries_all_last[game_status];
2506   int *choice_store = choice_stores[game_status];
2507   int *first_entry_store = first_entry_stores[game_status];
2508   int choice = choice_store[mode];              // starts with 0
2509   int first_entry = first_entry_store[mode];    // starts with 0
2510   int x = 0;
2511   int y = choice - first_entry;
2512   int y_old = y;
2513   boolean position_set_by_scrollbar = (dx == 999);
2514   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2515   int i;
2516
2517   if (button == MB_MENU_INITIALIZE)
2518   {
2519     // check if number of menu page entries has changed (may happen by change
2520     // of custom artwork definition value for 'list_size' for this menu screen)
2521     // (in this case, the last menu position most probably has to be corrected)
2522     if (num_page_entries != num_page_entries_last[mode])
2523     {
2524       choice_store[mode] = first_entry_store[mode] = 0;
2525
2526       choice = first_entry = 0;
2527       y = y_old = 0;
2528
2529       num_page_entries_last[mode] = num_page_entries;
2530     }
2531
2532     // advance to first valid menu entry
2533     while (choice < num_page_entries &&
2534            menu_info[choice].type & TYPE_SKIP_ENTRY)
2535       choice++;
2536
2537     if (position_set_by_scrollbar)
2538       first_entry = first_entry_store[mode] = dy;
2539     else
2540       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2541                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2542
2543     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2544
2545     if (choice < first_entry)
2546     {
2547       choice = first_entry;
2548
2549       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2550         choice++;
2551     }
2552     else if (choice > first_entry + num_page_entries - 1)
2553     {
2554       choice = first_entry + num_page_entries - 1;
2555
2556       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2557         choice--;
2558     }
2559
2560     choice_store[mode] = choice;
2561
2562     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2563
2564     return;
2565   }
2566   else if (button == MB_MENU_LEAVE)
2567   {
2568     PlaySound(SND_MENU_ITEM_SELECTING);
2569
2570     for (i = 0; i < max_page_entries; i++)
2571     {
2572       if (menu_info[i].type & TYPE_LEAVE_MENU)
2573       {
2574         void (*menu_callback_function)(void) = menu_info[i].value;
2575
2576         FadeSetLeaveMenu();
2577
2578         menu_callback_function();
2579
2580         break;  // absolutely needed because function changes 'menu_info'!
2581       }
2582     }
2583
2584     return;
2585   }
2586
2587   if (mx || my)         // mouse input
2588   {
2589     x = (mx - mSX) / 32;
2590     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2591   }
2592   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2593   {
2594     // move cursor instead of scrolling when already at start/end of list
2595     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2596       dy = -1;
2597     else if (dy == +1 * SCROLL_LINE &&
2598              first_entry + num_page_entries == max_page_entries)
2599       dy = 1;
2600
2601     // handle scrolling screen one line or page
2602     if (y + dy < 0 ||
2603         y + dy > num_page_entries - 1)
2604     {
2605       boolean redraw = FALSE;
2606
2607       if (ABS(dy) == SCROLL_PAGE)
2608         step = num_page_entries - 1;
2609
2610       if (dy < 0 && first_entry > 0)
2611       {
2612         // scroll page/line up
2613
2614         first_entry -= step;
2615         if (first_entry < 0)
2616           first_entry = 0;
2617
2618         redraw = TRUE;
2619       }
2620       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2621       {
2622         // scroll page/line down
2623
2624         first_entry += step;
2625         if (first_entry + num_page_entries > max_page_entries)
2626           first_entry = MAX(0, max_page_entries - num_page_entries);
2627
2628         redraw = TRUE;
2629       }
2630
2631       if (redraw)
2632       {
2633         choice += first_entry - first_entry_store[mode];
2634
2635         if (choice < first_entry)
2636         {
2637           choice = first_entry;
2638
2639           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2640             choice++;
2641         }
2642         else if (choice > first_entry + num_page_entries - 1)
2643         {
2644           choice = first_entry + num_page_entries - 1;
2645
2646           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2647             choice--;
2648         }
2649         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2650         {
2651           choice += SIGN(dy);
2652
2653           if (choice < first_entry ||
2654               choice > first_entry + num_page_entries - 1)
2655           first_entry += SIGN(dy);
2656         }
2657
2658         first_entry_store[mode] = first_entry;
2659         choice_store[mode] = choice;
2660
2661         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2662
2663         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2664
2665         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2666                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2667       }
2668
2669       return;
2670     }
2671
2672     if (dx)
2673     {
2674       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2675
2676       if (menu_info[choice].type & menu_navigation_type ||
2677           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2678           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2679           menu_info[choice].type & TYPE_PLAYER)
2680         button = MB_MENU_CHOICE;
2681     }
2682     else if (dy)
2683       y += dy;
2684
2685     // jump to next non-empty menu entry (up or down)
2686     while (first_entry + y > 0 &&
2687            first_entry + y < max_page_entries - 1 &&
2688            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2689       y += dy;
2690
2691     if (!IN_VIS_MENU(x, y))
2692     {
2693       choice += y - y_old;
2694
2695       if (choice < first_entry)
2696         first_entry = choice;
2697       else if (choice > first_entry + num_page_entries - 1)
2698         first_entry = choice - num_page_entries + 1;
2699
2700       if (first_entry >= 0 &&
2701           first_entry + num_page_entries <= max_page_entries)
2702       {
2703         first_entry_store[mode] = first_entry;
2704
2705         if (choice < first_entry)
2706           choice = first_entry;
2707         else if (choice > first_entry + num_page_entries - 1)
2708           choice = first_entry + num_page_entries - 1;
2709
2710         choice_store[mode] = choice;
2711
2712         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2713
2714         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2715
2716         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2717                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2718       }
2719
2720       return;
2721     }
2722   }
2723
2724   if (!anyScrollbarGadgetActive() &&
2725       IN_VIS_MENU(x, y) &&
2726       mx < mx_right_border &&
2727       y >= 0 && y < num_page_entries)
2728   {
2729     if (button)
2730     {
2731       if (first_entry + y != choice &&
2732           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2733       {
2734         PlaySound(SND_MENU_ITEM_ACTIVATING);
2735
2736         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2737         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2738
2739         choice = choice_store[mode] = first_entry + y;
2740       }
2741       else if (dx < 0)
2742       {
2743         PlaySound(SND_MENU_ITEM_SELECTING);
2744
2745         for (i = 0; menu_info[i].type != 0; i++)
2746         {
2747           if (menu_info[i].type & TYPE_LEAVE_MENU)
2748           {
2749             void (*menu_callback_function)(void) = menu_info[i].value;
2750
2751             FadeSetLeaveMenu();
2752
2753             menu_callback_function();
2754
2755             // absolutely needed because function changes 'menu_info'!
2756             break;
2757           }
2758         }
2759
2760         return;
2761       }
2762     }
2763     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2764     {
2765       PlaySound(SND_MENU_ITEM_SELECTING);
2766
2767       // when selecting key headline, execute function for key value change
2768       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2769           menu_info[first_entry + y + 1].type & TYPE_KEY)
2770         y++;
2771
2772       // when selecting string value, execute function for list selection
2773       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2774           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2775         y--;
2776
2777       // when selecting string value, execute function for text input gadget
2778       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2779           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2780         y--;
2781
2782       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2783       {
2784         void (*menu_callback_function)(void) =
2785           menu_info[first_entry + y].value;
2786
2787         FadeSetFromType(menu_info[first_entry + y].type);
2788
2789         menu_callback_function();
2790       }
2791       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2792       {
2793         void (*gadget_callback_function)(void) =
2794           menu_info[first_entry + y].value;
2795
2796         gadget_callback_function();
2797       }
2798       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2799                menu_info == setup_info)
2800       {
2801         changeSetupValue(y, first_entry + y, dx);
2802       }
2803     }
2804   }
2805 }
2806
2807 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2808 {
2809   menu_info = info_info;
2810
2811   HandleMenuScreen(mx, my, dx, dy, button,
2812                    info_mode, num_info_info, max_info_info);
2813 }
2814
2815 static int getMenuFontSpacing(int spacing_height, int font_nr)
2816 {
2817   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2818
2819   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2820           spacing_height);
2821 }
2822
2823 static int getMenuTextSpacing(int spacing_height, int font_nr)
2824 {
2825   return (getMenuFontSpacing(spacing_height, font_nr) +
2826           EXTRA_SPACING(game_status));
2827 }
2828
2829 static int getMenuTextStep(int spacing_height, int font_nr)
2830 {
2831   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2832 }
2833
2834 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2835 {
2836   int font_title = MENU_INFO_FONT_TITLE;
2837   int font_error = FONT_TEXT_2;
2838   int font_foot  = MENU_INFO_FONT_FOOT;
2839   int spacing_title = menu.headline1_spacing_info[info_mode];
2840   int ystep_title = getMenuTextStep(spacing_title, font_title);
2841   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2842   int ystart2 = ystart1 + ystep_title;
2843   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2844
2845   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2846
2847   FadeOut(REDRAW_FIELD);
2848
2849   ClearField();
2850   DrawHeadline();
2851
2852   DrawTextSCentered(ystart1, font_title, text_title);
2853   DrawTextSCentered(ystart2, font_error, text_error);
2854
2855   DrawTextSCentered(ybottom, font_foot,
2856                     "Press any key or button for info menu");
2857
2858   FadeIn(REDRAW_FIELD);
2859 }
2860
2861 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2862 {
2863   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2864   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2865   int font_title = MENU_INFO_FONT_TITLE;
2866   int font_foot  = MENU_INFO_FONT_FOOT;
2867   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2868   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2869   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2870   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2871   int ystep = MENU_SCREEN_INFO_YSTEP;
2872   int element, action, direction;
2873   int graphic;
2874   int delay;
2875   int sync_frame;
2876   int i, j;
2877
2878   if (init)
2879   {
2880     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2881       infoscreen_step[i] = infoscreen_frame[i] = 0;
2882
2883     ClearField();
2884     DrawHeadline();
2885
2886     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2887
2888     DrawTextSCentered(ybottom, font_foot,
2889                       "Press any key or button for next page");
2890
2891     FrameCounter = 0;
2892   }
2893
2894   i = j = 0;
2895   while (helpanim_info[j].element != HELPANIM_LIST_END)
2896   {
2897     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2898         i >= max_anims)
2899       break;
2900     else if (i < start)
2901     {
2902       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2903         j++;
2904
2905       j++;
2906       i++;
2907
2908       continue;
2909     }
2910
2911     j += infoscreen_step[i - start];
2912
2913     element = helpanim_info[j].element;
2914     action = helpanim_info[j].action;
2915     direction = helpanim_info[j].direction;
2916
2917     if (element < 0)
2918       element = EL_UNKNOWN;
2919
2920     if (action != -1 && direction != -1)
2921       graphic = el_act_dir2img(element, action, direction);
2922     else if (action != -1)
2923       graphic = el_act2img(element, action);
2924     else if (direction != -1)
2925       graphic = el_dir2img(element, direction);
2926     else
2927       graphic = el2img(element);
2928
2929     delay = helpanim_info[j++].delay;
2930
2931     if (delay == -1)
2932       delay = 1000000;
2933
2934     if (infoscreen_frame[i - start] == 0)
2935     {
2936       sync_frame = 0;
2937       infoscreen_frame[i - start] = delay - 1;
2938     }
2939     else
2940     {
2941       sync_frame = delay - infoscreen_frame[i - start];
2942       infoscreen_frame[i - start]--;
2943     }
2944
2945     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2946     {
2947       if (!infoscreen_frame[i - start])
2948         infoscreen_step[i - start] = 0;
2949     }
2950     else
2951     {
2952       if (!infoscreen_frame[i - start])
2953         infoscreen_step[i - start]++;
2954       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2955         j++;
2956     }
2957
2958     j++;
2959
2960     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2961                                TILEX, TILEY);
2962     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2963                                  graphic, sync_frame, USE_MASKING);
2964
2965     if (init)
2966       DrawInfoScreen_HelpText(element, action, direction, i - start);
2967
2968     i++;
2969   }
2970
2971   redraw_mask |= REDRAW_FIELD;
2972
2973   FrameCounter++;
2974 }
2975
2976 static char *getHelpText(int element, int action, int direction)
2977 {
2978   char token[MAX_LINE_LEN];
2979
2980   strcpy(token, element_info[element].token_name);
2981
2982   if (action != -1)
2983     strcat(token, element_action_info[action].suffix);
2984
2985   if (direction != -1)
2986     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2987
2988   return getHashEntry(helptext_info, token);
2989 }
2990
2991 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2992 {
2993   int font_nr = FONT_INFO_ELEMENTS;
2994   int font_width = getFontWidth(font_nr);
2995   int font_height = getFontHeight(font_nr);
2996   int yoffset = (TILEX - 2 * font_height) / 2;
2997   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2998   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2999   int ystep = TILEY + 4;
3000   int pad_left = xstart - SX;
3001   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3002   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3003   int max_lines_per_text = 2;
3004   char *text = NULL;
3005
3006   if (action != -1 && direction != -1)          // element.action.direction
3007     text = getHelpText(element, action, direction);
3008
3009   if (text == NULL && action != -1)             // element.action
3010     text = getHelpText(element, action, -1);
3011
3012   if (text == NULL && direction != -1)          // element.direction
3013     text = getHelpText(element, -1, direction);
3014
3015   if (text == NULL)                             // base element
3016     text = getHelpText(element, -1, -1);
3017
3018   if (text == NULL)                             // not found
3019     text = "No description available";
3020
3021   if (strlen(text) <= max_chars_per_line)       // only one line of text
3022     ystart += getFontHeight(font_nr) / 2;
3023
3024   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3025                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3026                  TRUE, FALSE, FALSE);
3027 }
3028
3029 static void DrawInfoScreen_TitleScreen(void)
3030 {
3031   SetGameStatus(GAME_MODE_TITLE);
3032
3033   DrawTitleScreen();
3034 }
3035
3036 void HandleInfoScreen_TitleScreen(int button)
3037 {
3038   HandleTitleScreen(0, 0, 0, 0, button);
3039 }
3040
3041 static void DrawInfoScreen_Elements(void)
3042 {
3043   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3044
3045   FadeOut(REDRAW_FIELD);
3046
3047   LoadHelpAnimInfo();
3048   LoadHelpTextInfo();
3049
3050   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3051
3052   FadeIn(REDRAW_FIELD);
3053 }
3054
3055 void HandleInfoScreen_Elements(int button)
3056 {
3057   static unsigned int info_delay = 0;
3058   static int num_anims;
3059   static int num_pages;
3060   static int page;
3061   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3062   int i;
3063
3064   if (button == MB_MENU_INITIALIZE)
3065   {
3066     boolean new_element = TRUE;
3067
3068     num_anims = 0;
3069
3070     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3071     {
3072       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3073         new_element = TRUE;
3074       else if (new_element)
3075       {
3076         num_anims++;
3077         new_element = FALSE;
3078       }
3079     }
3080
3081     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3082     page = 0;
3083   }
3084
3085   if (button == MB_MENU_LEAVE)
3086   {
3087     PlaySound(SND_MENU_ITEM_SELECTING);
3088
3089     info_mode = INFO_MODE_MAIN;
3090     DrawInfoScreen();
3091
3092     return;
3093   }
3094   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3095   {
3096     if (button != MB_MENU_INITIALIZE)
3097     {
3098       PlaySound(SND_MENU_ITEM_SELECTING);
3099
3100       page++;
3101     }
3102
3103     if (page >= num_pages)
3104     {
3105       FadeMenuSoundsAndMusic();
3106
3107       info_mode = INFO_MODE_MAIN;
3108       DrawInfoScreen();
3109
3110       return;
3111     }
3112
3113     if (page > 0)
3114       FadeSetNextScreen();
3115
3116     if (button != MB_MENU_INITIALIZE)
3117       FadeOut(REDRAW_FIELD);
3118
3119     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3120
3121     if (button != MB_MENU_INITIALIZE)
3122       FadeIn(REDRAW_FIELD);
3123   }
3124   else
3125   {
3126     if (DelayReached(&info_delay, GameFrameDelay))
3127       if (page < num_pages)
3128         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3129
3130     PlayMenuSoundIfLoop();
3131   }
3132 }
3133
3134 static void DrawInfoScreen_Music(void)
3135 {
3136   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3137
3138   FadeOut(REDRAW_FIELD);
3139
3140   ClearField();
3141   DrawHeadline();
3142
3143   LoadMusicInfo();
3144
3145   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3146
3147   FadeIn(REDRAW_FIELD);
3148 }
3149
3150 void HandleInfoScreen_Music(int button)
3151 {
3152   static struct MusicFileInfo *list = NULL;
3153   int font_title = MENU_INFO_FONT_TITLE;
3154   int font_head  = MENU_INFO_FONT_HEAD;
3155   int font_text  = MENU_INFO_FONT_TEXT;
3156   int font_foot  = MENU_INFO_FONT_FOOT;
3157   int spacing_title = menu.headline1_spacing_info[info_mode];
3158   int spacing_head  = menu.headline2_spacing_info[info_mode];
3159   int ystep_title = getMenuTextStep(spacing_title, font_title);
3160   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3161   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3162   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3163
3164   if (button == MB_MENU_INITIALIZE)
3165   {
3166     list = music_file_info;
3167
3168     if (list == NULL)
3169     {
3170       FadeMenuSoundsAndMusic();
3171
3172       ClearField();
3173       DrawHeadline();
3174
3175       DrawTextSCentered(ystart, font_title,
3176                         "No music info for this level set.");
3177
3178       DrawTextSCentered(ybottom, font_foot,
3179                         "Press any key or button for info menu");
3180
3181       return;
3182     }
3183   }
3184
3185   if (button == MB_MENU_LEAVE)
3186   {
3187     PlaySound(SND_MENU_ITEM_SELECTING);
3188
3189     FadeMenuSoundsAndMusic();
3190
3191     info_mode = INFO_MODE_MAIN;
3192     DrawInfoScreen();
3193
3194     return;
3195   }
3196   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3197   {
3198     if (button != MB_MENU_INITIALIZE)
3199     {
3200       PlaySound(SND_MENU_ITEM_SELECTING);
3201
3202       if (list != NULL)
3203         list = list->next;
3204     }
3205
3206     if (list == NULL)
3207     {
3208       FadeMenuSoundsAndMusic();
3209
3210       info_mode = INFO_MODE_MAIN;
3211       DrawInfoScreen();
3212
3213       return;
3214     }
3215
3216     FadeMenuSoundsAndMusic();
3217
3218     if (list != music_file_info)
3219       FadeSetNextScreen();
3220
3221     if (button != MB_MENU_INITIALIZE)
3222       FadeOut(REDRAW_FIELD);
3223
3224     ClearField();
3225     DrawHeadline();
3226
3227     if (list->is_sound)
3228     {
3229       int sound = list->music;
3230
3231       if (sound_info[sound].loop)
3232         PlaySoundLoop(sound);
3233       else
3234         PlaySound(sound);
3235
3236       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3237     }
3238     else
3239     {
3240       int music = list->music;
3241
3242       if (music_info[music].loop)
3243         PlayMusicLoop(music);
3244       else
3245         PlayMusic(music);
3246
3247       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3248     }
3249
3250     ystart += ystep_title;
3251
3252     if (!strEqual(list->title, UNKNOWN_NAME))
3253     {
3254       if (!strEqual(list->title_header, UNKNOWN_NAME))
3255       {
3256         DrawTextSCentered(ystart, font_head, list->title_header);
3257         ystart += ystep_head;
3258       }
3259
3260       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3261       ystart += ystep_head;
3262     }
3263
3264     if (!strEqual(list->artist, UNKNOWN_NAME))
3265     {
3266       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3267         DrawTextSCentered(ystart, font_head, list->artist_header);
3268       else
3269         DrawTextSCentered(ystart, font_head, "by");
3270
3271       ystart += ystep_head;
3272
3273       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3274       ystart += ystep_head;
3275     }
3276
3277     if (!strEqual(list->album, UNKNOWN_NAME))
3278     {
3279       if (!strEqual(list->album_header, UNKNOWN_NAME))
3280         DrawTextSCentered(ystart, font_head, list->album_header);
3281       else
3282         DrawTextSCentered(ystart, font_head, "from the album");
3283
3284       ystart += ystep_head;
3285
3286       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3287       ystart += ystep_head;
3288     }
3289
3290     if (!strEqual(list->year, UNKNOWN_NAME))
3291     {
3292       if (!strEqual(list->year_header, UNKNOWN_NAME))
3293         DrawTextSCentered(ystart, font_head, list->year_header);
3294       else
3295         DrawTextSCentered(ystart, font_head, "from the year");
3296
3297       ystart += ystep_head;
3298
3299       DrawTextFCentered(ystart, font_text, "%s", list->year);
3300       ystart += ystep_head;
3301     }
3302
3303     DrawTextSCentered(ybottom, FONT_TEXT_4,
3304                       "Press any key or button for next page");
3305
3306     if (button != MB_MENU_INITIALIZE)
3307       FadeIn(REDRAW_FIELD);
3308   }
3309
3310   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3311     PlaySoundLoop(list->music);
3312 }
3313
3314 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3315 {
3316   int font_title = MENU_INFO_FONT_TITLE;
3317   int font_head  = MENU_INFO_FONT_HEAD;
3318   int font_text  = MENU_INFO_FONT_TEXT;
3319   int font_foot  = MENU_INFO_FONT_FOOT;
3320   int spacing_title = menu.headline1_spacing_info[info_mode];
3321   int spacing_head  = menu.headline2_spacing_info[info_mode];
3322   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3323   int spacing_line  = menu.line_spacing_info[info_mode];
3324   int ystep_title = getMenuTextStep(spacing_title, font_title);
3325   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3326   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3327   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3328   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3329   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3330
3331   ClearField();
3332   DrawHeadline();
3333
3334   DrawTextSCentered(ystart, font_title, "Credits:");
3335   ystart += ystep_title;
3336
3337   if (screen_nr == 0)
3338   {
3339     DrawTextSCentered(ystart, font_head,
3340                       "Special thanks to");
3341     ystart += ystep_head;
3342     DrawTextSCentered(ystart, font_text,
3343                       "Peter Liepa");
3344     ystart += ystep_head;
3345     DrawTextSCentered(ystart, font_head,
3346                       "for creating");
3347     ystart += ystep_head;
3348     DrawTextSCentered(ystart, font_text,
3349                       "\"Boulder Dash\"");
3350     ystart += ystep_head;
3351     DrawTextSCentered(ystart, font_head,
3352                       "in the year");
3353     ystart += ystep_head;
3354     DrawTextSCentered(ystart, font_text,
3355                       "1984");
3356     ystart += ystep_head;
3357     DrawTextSCentered(ystart, font_head,
3358                       "published by");
3359     ystart += ystep_head;
3360     DrawTextSCentered(ystart, font_text,
3361                       "First Star Software");
3362   }
3363   else if (screen_nr == 1)
3364   {
3365     DrawTextSCentered(ystart, font_head,
3366                       "Special thanks to");
3367     ystart += ystep_head;
3368     DrawTextSCentered(ystart, font_text,
3369                       "Klaus Heinz & Volker Wertich");
3370     ystart += ystep_head;
3371     DrawTextSCentered(ystart, font_head,
3372                       "for creating");
3373     ystart += ystep_head;
3374     DrawTextSCentered(ystart, font_text,
3375                       "\"Emerald Mine\"");
3376     ystart += ystep_head;
3377     DrawTextSCentered(ystart, font_head,
3378                       "in the year");
3379     ystart += ystep_head;
3380     DrawTextSCentered(ystart, font_text,
3381                       "1987");
3382     ystart += ystep_head;
3383     DrawTextSCentered(ystart, font_head,
3384                       "published by");
3385     ystart += ystep_head;
3386     DrawTextSCentered(ystart, font_text,
3387                       "Kingsoft");
3388   }
3389   else if (screen_nr == 2)
3390   {
3391     DrawTextSCentered(ystart, font_head,
3392                       "Special thanks to");
3393     ystart += ystep_head;
3394     DrawTextSCentered(ystart, font_text,
3395                       "Michael Stopp & Philip Jespersen");
3396     ystart += ystep_head;
3397     DrawTextSCentered(ystart, font_head,
3398                       "for creating");
3399     ystart += ystep_head;
3400     DrawTextSCentered(ystart, font_text,
3401                       "\"Supaplex\"");
3402     ystart += ystep_head;
3403     DrawTextSCentered(ystart, font_head,
3404                       "in the year");
3405     ystart += ystep_head;
3406     DrawTextSCentered(ystart, font_text,
3407                       "1991");
3408     ystart += ystep_head;
3409     DrawTextSCentered(ystart, font_head,
3410                       "published by");
3411     ystart += ystep_head;
3412     DrawTextSCentered(ystart, font_text,
3413                       "Digital Integration");
3414   }
3415   else if (screen_nr == 3)
3416   {
3417     DrawTextSCentered(ystart, font_head,
3418                       "Special thanks to");
3419     ystart += ystep_head;
3420     DrawTextSCentered(ystart, font_text,
3421                       "Hiroyuki Imabayashi");
3422     ystart += ystep_head;
3423     DrawTextSCentered(ystart, font_head,
3424                       "for creating");
3425     ystart += ystep_head;
3426     DrawTextSCentered(ystart, font_text,
3427                       "\"Sokoban\"");
3428     ystart += ystep_head;
3429     DrawTextSCentered(ystart, font_head,
3430                       "in the year");
3431     ystart += ystep_head;
3432     DrawTextSCentered(ystart, font_text,
3433                       "1982");
3434     ystart += ystep_head;
3435     DrawTextSCentered(ystart, font_head,
3436                       "published by");
3437     ystart += ystep_head;
3438     DrawTextSCentered(ystart, font_text,
3439                       "Thinking Rabbit");
3440   }
3441   else if (screen_nr == 4)
3442   {
3443     DrawTextSCentered(ystart, font_head,
3444                       "Special thanks to");
3445     ystart += ystep_head;
3446     DrawTextSCentered(ystart, font_text,
3447                       "Alan Bond");
3448     ystart += ystep_head;
3449     DrawTextSCentered(ystart, font_head,
3450                       "and");
3451     ystart += ystep_head;
3452     DrawTextSCentered(ystart, font_text,
3453                       "J\xfcrgen Bonhagen");
3454     ystart += ystep_head;
3455     DrawTextSCentered(ystart, font_head,
3456                       "for the continuous creation");
3457     ystart += ystep_line;
3458     DrawTextSCentered(ystart, font_head,
3459                       "of outstanding level sets");
3460   }
3461   else if (screen_nr == 5)
3462   {
3463     DrawTextSCentered(ystart, font_head,
3464                       "Thanks to");
3465     ystart += ystep_head;
3466     DrawTextSCentered(ystart, font_text,
3467                       "Peter Elzner");
3468     ystart += ystep_head;
3469     DrawTextSCentered(ystart, font_head,
3470                       "for ideas and inspiration by");
3471     ystart += ystep_head;
3472     DrawTextSCentered(ystart, font_text,
3473                       "Diamond Caves");
3474     ystart += ystep_para;
3475
3476     DrawTextSCentered(ystart, font_head,
3477                       "Thanks to");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_text,
3480                       "Steffest");
3481     ystart += ystep_head;
3482     DrawTextSCentered(ystart, font_head,
3483                       "for ideas and inspiration by");
3484     ystart += ystep_head;
3485     DrawTextSCentered(ystart, font_text,
3486                       "DX-Boulderdash");
3487   }
3488   else if (screen_nr == 6)
3489   {
3490     DrawTextSCentered(ystart, font_head,
3491                       "Thanks to");
3492     ystart += ystep_head;
3493     DrawTextSCentered(ystart, font_text,
3494                       "David Tritscher");
3495     ystart += ystep_head;
3496     DrawTextSCentered(ystart, font_head,
3497                       "for the code base used for the");
3498     ystart += ystep_line;
3499     DrawTextSCentered(ystart, font_head,
3500                       "native Emerald Mine engine");
3501   }
3502   else if (screen_nr == 7)
3503   {
3504     DrawTextSCentered(ystart, font_head,
3505                       "Thanks to");
3506     ystart += ystep_head;
3507     DrawTextSCentered(ystart, font_text,
3508                       "Guido Schulz");
3509     ystart += ystep_head;
3510     DrawTextSCentered(ystart, font_head,
3511                       "for the initial DOS port");
3512     ystart += ystep_para;
3513
3514     DrawTextSCentered(ystart, font_head,
3515                       "Thanks to");
3516     ystart += ystep_head;
3517     DrawTextSCentered(ystart, font_text,
3518                       "Karl H\xf6rnell");
3519     ystart += ystep_head;
3520     DrawTextSCentered(ystart, font_head,
3521                       "for some additional toons");
3522   }
3523   else if (screen_nr == 8)
3524   {
3525     DrawTextSCentered(ystart, font_head,
3526                       "And not to forget:");
3527     ystart += ystep_head;
3528     DrawTextSCentered(ystart, font_head,
3529                       "Many thanks to");
3530     ystart += ystep_head;
3531     DrawTextSCentered(ystart, font_text,
3532                       "All those who contributed");
3533     ystart += ystep_line;
3534     DrawTextSCentered(ystart, font_text,
3535                       "levels to this game");
3536     ystart += ystep_line;
3537     DrawTextSCentered(ystart, font_text,
3538                       "since 1995");
3539   }
3540
3541   DrawTextSCentered(ybottom, font_foot,
3542                     "Press any key or button for next page");
3543 }
3544
3545 static void DrawInfoScreen_Credits(void)
3546 {
3547   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3548
3549   FadeMenuSoundsAndMusic();
3550
3551   FadeOut(REDRAW_FIELD);
3552
3553   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3554
3555   FadeIn(REDRAW_FIELD);
3556 }
3557
3558 void HandleInfoScreen_Credits(int button)
3559 {
3560   static int screen_nr = 0;
3561   int num_screens = 9;
3562
3563   if (button == MB_MENU_INITIALIZE)
3564   {
3565     screen_nr = 0;
3566
3567     // DrawInfoScreen_CreditsScreen(screen_nr);
3568   }
3569
3570   if (button == MB_MENU_LEAVE)
3571   {
3572     PlaySound(SND_MENU_ITEM_SELECTING);
3573
3574     info_mode = INFO_MODE_MAIN;
3575     DrawInfoScreen();
3576
3577     return;
3578   }
3579   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3580   {
3581     if (button != MB_MENU_INITIALIZE)
3582     {
3583       PlaySound(SND_MENU_ITEM_SELECTING);
3584
3585       screen_nr++;
3586     }
3587
3588     if (screen_nr >= num_screens)
3589     {
3590       FadeMenuSoundsAndMusic();
3591
3592       info_mode = INFO_MODE_MAIN;
3593       DrawInfoScreen();
3594
3595       return;
3596     }
3597
3598     if (screen_nr > 0)
3599       FadeSetNextScreen();
3600
3601     if (button != MB_MENU_INITIALIZE)
3602       FadeOut(REDRAW_FIELD);
3603
3604     DrawInfoScreen_CreditsScreen(screen_nr);
3605
3606     if (button != MB_MENU_INITIALIZE)
3607       FadeIn(REDRAW_FIELD);
3608   }
3609   else
3610   {
3611     PlayMenuSoundIfLoop();
3612   }
3613 }
3614
3615 static void DrawInfoScreen_Program(void)
3616 {
3617   int font_title = MENU_INFO_FONT_TITLE;
3618   int font_head  = MENU_INFO_FONT_HEAD;
3619   int font_text  = MENU_INFO_FONT_TEXT;
3620   int font_foot  = MENU_INFO_FONT_FOOT;
3621   int spacing_title = menu.headline1_spacing_info[info_mode];
3622   int spacing_head  = menu.headline2_spacing_info[info_mode];
3623   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3624   int spacing_line  = menu.line_spacing_info[info_mode];
3625   int ystep_title = getMenuTextStep(spacing_title, font_title);
3626   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3627   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3628   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3629   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3630   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3631
3632   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3633
3634   FadeOut(REDRAW_FIELD);
3635
3636   ClearField();
3637   DrawHeadline();
3638
3639   DrawTextSCentered(ystart, font_title, "Program Information:");
3640   ystart += ystep_title;
3641
3642   DrawTextSCentered(ystart, font_head,
3643                     "This game is Freeware!");
3644   ystart += ystep_head;
3645   DrawTextSCentered(ystart, font_head,
3646                     "If you like it, send e-mail to:");
3647   ystart += ystep_head;
3648   DrawTextSCentered(ystart, font_text,
3649                     setup.internal.program_email);
3650   ystart += ystep_para;
3651
3652   DrawTextSCentered(ystart, font_head,
3653                     "More information and levels:");
3654   ystart += ystep_head;
3655   DrawTextSCentered(ystart, font_text,
3656                     setup.internal.program_website);
3657   ystart += ystep_para;
3658
3659   DrawTextSCentered(ystart, font_head,
3660                     "If you have created new levels,");
3661   ystart += ystep_line;
3662   DrawTextSCentered(ystart, font_head,
3663                     "send them to me to include them!");
3664   ystart += ystep_head;
3665   DrawTextSCentered(ystart, font_head,
3666                     ":-)");
3667
3668   DrawTextSCentered(ybottom, font_foot,
3669                     "Press any key or button for info menu");
3670
3671   FadeIn(REDRAW_FIELD);
3672 }
3673
3674 void HandleInfoScreen_Program(int button)
3675 {
3676   if (button == MB_MENU_LEAVE)
3677   {
3678     PlaySound(SND_MENU_ITEM_SELECTING);
3679
3680     info_mode = INFO_MODE_MAIN;
3681     DrawInfoScreen();
3682
3683     return;
3684   }
3685   else if (button == MB_MENU_CHOICE)
3686   {
3687     PlaySound(SND_MENU_ITEM_SELECTING);
3688
3689     FadeMenuSoundsAndMusic();
3690
3691     info_mode = INFO_MODE_MAIN;
3692     DrawInfoScreen();
3693   }
3694   else
3695   {
3696     PlayMenuSoundIfLoop();
3697   }
3698 }
3699
3700 static void DrawInfoScreen_Version(void)
3701 {
3702   int font_title = MENU_INFO_FONT_TITLE;
3703   int font_head  = MENU_INFO_FONT_HEAD;
3704   int font_text  = MENU_INFO_FONT_TEXT;
3705   int font_foot  = MENU_INFO_FONT_FOOT;
3706   int spacing_title = menu.headline1_spacing_info[info_mode];
3707   int spacing_head  = menu.headline2_spacing_info[info_mode];
3708   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3709   int spacing_line  = menu.line_spacing_info[info_mode];
3710   int xstep = getFontWidth(font_text);
3711   int ystep_title = getMenuTextStep(spacing_title, font_title);
3712   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3713   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3714   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3715   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3716   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3717   int xstart1 = mSX - SX + 2 * xstep;
3718   int xstart2 = mSX - SX + 18 * xstep;
3719   int xstart3 = mSX - SX + 28 * xstep;
3720   SDL_version sdl_version_compiled;
3721   const SDL_version *sdl_version_linked;
3722   int driver_name_len = 10;
3723   SDL_version sdl_version_linked_ext;
3724   const char *driver_name = NULL;
3725
3726   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3727
3728   FadeOut(REDRAW_FIELD);
3729
3730   ClearField();
3731   DrawHeadline();
3732
3733   DrawTextSCentered(ystart, font_title, "Version Information:");
3734   ystart += ystep_title;
3735
3736   DrawTextF(xstart1, ystart, font_head, "Name");
3737   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3738   ystart += ystep_line;
3739
3740   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3741   {
3742     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3743     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3744     ystart += ystep_line;
3745
3746     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3747     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3748     ystart += ystep_line;
3749   }
3750   else
3751   {
3752     DrawTextF(xstart1, ystart, font_head, "Version");
3753     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3754     ystart += ystep_line;
3755   }
3756
3757   DrawTextF(xstart1, ystart, font_head, "Platform");
3758   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3759             PLATFORM_STRING,
3760             PLATFORM_XX_BIT_STRING);
3761   ystart += ystep_line;
3762
3763   DrawTextF(xstart1, ystart, font_head, "Target");
3764   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3765   ystart += ystep_line;
3766
3767   DrawTextF(xstart1, ystart, font_head, "Source date");
3768   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3769   ystart += ystep_line;
3770
3771   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3772   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3773   ystart += ystep_para;
3774
3775   DrawTextF(xstart1, ystart, font_head, "Library");
3776   DrawTextF(xstart2, ystart, font_head, "compiled");
3777   DrawTextF(xstart3, ystart, font_head, "linked");
3778   ystart += ystep_head;
3779
3780   SDL_VERSION(&sdl_version_compiled);
3781   SDL_GetVersion(&sdl_version_linked_ext);
3782   sdl_version_linked = &sdl_version_linked_ext;
3783
3784   DrawTextF(xstart1, ystart, font_text, "SDL");
3785   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3786             sdl_version_compiled.major,
3787             sdl_version_compiled.minor,
3788             sdl_version_compiled.patch);
3789   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3790             sdl_version_linked->major,
3791             sdl_version_linked->minor,
3792             sdl_version_linked->patch);
3793   ystart += ystep_line;
3794
3795   SDL_IMAGE_VERSION(&sdl_version_compiled);
3796   sdl_version_linked = IMG_Linked_Version();
3797
3798   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3799   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3800             sdl_version_compiled.major,
3801             sdl_version_compiled.minor,
3802             sdl_version_compiled.patch);
3803   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3804             sdl_version_linked->major,
3805             sdl_version_linked->minor,
3806             sdl_version_linked->patch);
3807   ystart += ystep_line;
3808
3809   SDL_MIXER_VERSION(&sdl_version_compiled);
3810   sdl_version_linked = Mix_Linked_Version();
3811
3812   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3813   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3814             sdl_version_compiled.major,
3815             sdl_version_compiled.minor,
3816             sdl_version_compiled.patch);
3817   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3818             sdl_version_linked->major,
3819             sdl_version_linked->minor,
3820             sdl_version_linked->patch);
3821   ystart += ystep_line;
3822
3823   SDL_NET_VERSION(&sdl_version_compiled);
3824   sdl_version_linked = SDLNet_Linked_Version();
3825
3826   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3827   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3828             sdl_version_compiled.major,
3829             sdl_version_compiled.minor,
3830             sdl_version_compiled.patch);
3831   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3832             sdl_version_linked->major,
3833             sdl_version_linked->minor,
3834             sdl_version_linked->patch);
3835   ystart += ystep_para;
3836
3837   DrawTextF(xstart1, ystart, font_head, "Driver");
3838   DrawTextF(xstart2, ystart, font_head, "Requested");
3839   DrawTextF(xstart3, ystart, font_head, "Used");
3840   ystart += ystep_head;
3841
3842   driver_name =
3843     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3844
3845   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3846   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3847   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3848   ystart += ystep_line;
3849
3850   driver_name =
3851     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3852
3853   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3854   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3855   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3856   ystart += ystep_line;
3857
3858   driver_name =
3859     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3860
3861   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3862   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3863   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3864
3865   DrawTextSCentered(ybottom, font_foot,
3866                     "Press any key or button for info menu");
3867
3868   FadeIn(REDRAW_FIELD);
3869 }
3870
3871 void HandleInfoScreen_Version(int button)
3872 {
3873   if (button == MB_MENU_LEAVE)
3874   {
3875     PlaySound(SND_MENU_ITEM_SELECTING);
3876
3877     info_mode = INFO_MODE_MAIN;
3878     DrawInfoScreen();
3879
3880     return;
3881   }
3882   else if (button == MB_MENU_CHOICE)
3883   {
3884     PlaySound(SND_MENU_ITEM_SELECTING);
3885
3886     FadeMenuSoundsAndMusic();
3887
3888     info_mode = INFO_MODE_MAIN;
3889     DrawInfoScreen();
3890   }
3891   else
3892   {
3893     PlayMenuSoundIfLoop();
3894   }
3895 }
3896
3897 static void DrawInfoScreen_LevelSet(void)
3898 {
3899   struct TitleMessageInfo *tmi = &readme;
3900   char *filename = getLevelSetInfoFilename();
3901   char *title = "Level Set Information:";
3902   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3903   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3904
3905   if (filename == NULL)
3906   {
3907     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3908
3909     return;
3910   }
3911
3912   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3913
3914   FadeOut(REDRAW_FIELD);
3915
3916   ClearField();
3917   DrawHeadline();
3918
3919   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3920
3921   // if x position set to "-1", automatically determine by playfield width
3922   if (tmi->x == -1)
3923     tmi->x = SXSIZE / 2;
3924
3925   // if y position set to "-1", use static default value
3926   if (tmi->y == -1)
3927     tmi->y = 150;
3928
3929   // if width set to "-1", automatically determine by playfield width
3930   if (tmi->width == -1)
3931     tmi->width = SXSIZE - 2 * TILEX;
3932
3933   // if height set to "-1", automatically determine by playfield height
3934   if (tmi->height == -1)
3935     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3936
3937   // if chars set to "-1", automatically determine by text and font width
3938   if (tmi->chars == -1)
3939     tmi->chars = tmi->width / getFontWidth(tmi->font);
3940   else
3941     tmi->width = tmi->chars * getFontWidth(tmi->font);
3942
3943   // if lines set to "-1", automatically determine by text and font height
3944   if (tmi->lines == -1)
3945     tmi->lines = tmi->height / getFontHeight(tmi->font);
3946   else
3947     tmi->height = tmi->lines * getFontHeight(tmi->font);
3948
3949   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3950                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3951                tmi->autowrap, tmi->centered, tmi->parse_comments);
3952
3953   DrawTextSCentered(ybottom, FONT_TEXT_4,
3954                     "Press any key or button for info menu");
3955
3956   FadeIn(REDRAW_FIELD);
3957 }
3958
3959 static void HandleInfoScreen_LevelSet(int button)
3960 {
3961   if (button == MB_MENU_LEAVE)
3962   {
3963     PlaySound(SND_MENU_ITEM_SELECTING);
3964
3965     info_mode = INFO_MODE_MAIN;
3966     DrawInfoScreen();
3967
3968     return;
3969   }
3970   else if (button == MB_MENU_CHOICE)
3971   {
3972     PlaySound(SND_MENU_ITEM_SELECTING);
3973
3974     FadeMenuSoundsAndMusic();
3975
3976     info_mode = INFO_MODE_MAIN;
3977     DrawInfoScreen();
3978   }
3979   else
3980   {
3981     PlayMenuSoundIfLoop();
3982   }
3983 }
3984
3985 static void DrawInfoScreen(void)
3986 {
3987   if (info_mode == INFO_MODE_TITLE)
3988     DrawInfoScreen_TitleScreen();
3989   else if (info_mode == INFO_MODE_ELEMENTS)
3990     DrawInfoScreen_Elements();
3991   else if (info_mode == INFO_MODE_MUSIC)
3992     DrawInfoScreen_Music();
3993   else if (info_mode == INFO_MODE_CREDITS)
3994     DrawInfoScreen_Credits();
3995   else if (info_mode == INFO_MODE_PROGRAM)
3996     DrawInfoScreen_Program();
3997   else if (info_mode == INFO_MODE_VERSION)
3998     DrawInfoScreen_Version();
3999   else if (info_mode == INFO_MODE_LEVELSET)
4000     DrawInfoScreen_LevelSet();
4001   else
4002     DrawInfoScreen_Main();
4003
4004   if (info_mode != INFO_MODE_MAIN &&
4005       info_mode != INFO_MODE_TITLE &&
4006       info_mode != INFO_MODE_MUSIC)
4007     PlayMenuSoundsAndMusic();
4008 }
4009
4010 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4011 {
4012   if (info_mode == INFO_MODE_TITLE)
4013     HandleInfoScreen_TitleScreen(button);
4014   else if (info_mode == INFO_MODE_ELEMENTS)
4015     HandleInfoScreen_Elements(button);
4016   else if (info_mode == INFO_MODE_MUSIC)
4017     HandleInfoScreen_Music(button);
4018   else if (info_mode == INFO_MODE_CREDITS)
4019     HandleInfoScreen_Credits(button);
4020   else if (info_mode == INFO_MODE_PROGRAM)
4021     HandleInfoScreen_Program(button);
4022   else if (info_mode == INFO_MODE_VERSION)
4023     HandleInfoScreen_Version(button);
4024   else if (info_mode == INFO_MODE_LEVELSET)
4025     HandleInfoScreen_LevelSet(button);
4026   else
4027     HandleInfoScreen_Main(mx, my, dx, dy, button);
4028 }
4029
4030
4031 // ============================================================================
4032 // type name functions
4033 // ============================================================================
4034
4035 static TreeInfo *type_name_node = NULL;
4036 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4037 static int type_name_nr = 0;
4038
4039 static int getPlayerNameColor(char *name)
4040 {
4041   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4042 }
4043
4044 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4045                               boolean active)
4046 {
4047   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4048   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4049   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4050   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4051   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4052   int font_width = getFontWidth(font_nr);
4053
4054   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4055
4056   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4057
4058   pos->width = strlen(text) * font_width;
4059   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4060
4061   DrawText(sx, sy, text, font_nr);
4062 }
4063
4064 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4065 {
4066   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4067
4068   *pos = *mci->pos_input;
4069
4070   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4071   {
4072     TreeInfo *ti = player_name_current;
4073     int first_entry = ti->cl_first;
4074     int entry_pos = first_entry + ti->cl_cursor;
4075     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4076     int xpos = MENU_SCREEN_START_XPOS;
4077     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4078
4079     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4080     type_name_nr = entry_pos;
4081
4082     strcpy(name, type_name_node->name);
4083
4084     pos->x = xpos * 32;
4085     pos->y = ypos * 32;
4086     pos->width = MAX_PLAYER_NAME_LEN * 32;
4087   }
4088   else
4089   {
4090     type_name_nr = user.nr;
4091
4092     strcpy(name, setup.player_name);
4093   }
4094
4095   strcpy(type_name_last, name);
4096
4097   if (strEqual(name, EMPTY_PLAYER_NAME))
4098     strcpy(name, "");
4099
4100   *xpos = strlen(name);
4101 }
4102
4103 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4104 {
4105   // change name of edited user in global list of user names
4106   setString(&global.user_names[type_name_nr], name);
4107
4108   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4109   {
4110     TreeInfo *node = type_name_node;
4111
4112     // change name of edited user in local menu tree structure
4113     setString(&node->name, name);
4114     setString(&node->name_sorting, name);
4115
4116     node->color = getPlayerNameColor(name);
4117     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4118   }
4119 }
4120
4121 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4122                               boolean changed)
4123 {
4124   boolean reset_setup = strEqual(name, "");
4125   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4126   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4127
4128   if (!changed)
4129     strcpy(name, type_name_last);
4130
4131   if (strEqual(name, ""))
4132     strcpy(name, EMPTY_PLAYER_NAME);
4133
4134   setTypeNameValues_Name(name, pos);
4135
4136   // if player name not changed, no further action required
4137   if (strEqual(name, type_name_last))
4138     return;
4139
4140   // redraw player name before (possibly) opening request dialogs
4141   drawTypeNameText(name, pos, FALSE);
4142
4143   int last_user_nr = user.nr;
4144
4145   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4146   {
4147     // save setup of currently active user (may differ from edited user)
4148     SaveSetup();
4149
4150     // temporarily change active user to edited user
4151     user.nr = type_name_nr;
4152
4153     // load setup of edited user (unless creating user with current setup)
4154     if (!create_user ||
4155         !Request("Use current setup values for the new player?", REQ_ASK))
4156       LoadSetup();
4157   }
4158
4159   char *setup_filename = getSetupFilename();
4160   boolean setup_exists = fileExists(setup_filename);
4161
4162   // change name of edited user in setup structure
4163   strcpy(setup.player_name, name);
4164
4165   // save setup of edited user
4166   SaveSetup();
4167
4168   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4169   {
4170     if (reset_setup)
4171     {
4172       if (Request("Reset setup values for this player?", REQ_ASK))
4173       {
4174         // remove setup config file
4175         unlink(setup_filename);
4176
4177         // set player name to default player name
4178         LoadSetup();
4179
4180         // update player name used by name typing functions
4181         strcpy(name, setup.player_name);
4182
4183         setTypeNameValues_Name(name, pos);
4184       }
4185     }
4186     else if (remove_user && type_name_nr != 0)
4187     {
4188       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4189       {
4190         char *user_dir = getUserGameDataDir();
4191         char *user_dir_removed =
4192           getStringCat3WithSeparator(user_dir, "REMOVED",
4193                                      getCurrentTimestamp(), ".");
4194
4195         if (rename(user_dir, user_dir_removed) != 0)
4196           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4197
4198         checked_free(user_dir_removed);
4199       }
4200     }
4201     else if (create_user && type_name_nr != 0 && !setup_exists)
4202     {
4203       if (Request("Create empty level set for the new player?", REQ_ASK))
4204       {
4205         char *levelset_subdir = getNewUserLevelSubdir();
4206
4207         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4208         {
4209           AddUserLevelSetToLevelInfo(levelset_subdir);
4210
4211           LevelDirTree *leveldir_current_last = leveldir_current;
4212
4213           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4214                                                        levelset_subdir);
4215
4216           // set level number of newly created level set to default value
4217           LoadLevelSetup_SeriesInfo();
4218
4219           // set newly created level set as current level set for new user
4220           SaveLevelSetup_LastSeries();
4221           SaveLevelSetup_SeriesInfo();
4222
4223           leveldir_current = leveldir_current_last;
4224         }
4225         else
4226         {
4227           Request("Creating new level set failed!", REQ_CONFIRM);
4228         }
4229       }
4230     }
4231
4232     // restore currently active user
4233     user.nr = last_user_nr;
4234
4235     // restore setup of currently active user
4236     LoadSetup();
4237
4238     // restore last level set of currently active user
4239     LoadLevelSetup_LastSeries();
4240     LoadLevelSetup_SeriesInfo();
4241   }
4242 }
4243
4244 static void HandleTypeNameExt(boolean initialize, Key key)
4245 {
4246   static struct TextPosInfo pos_name = { 0 };
4247   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4248   static int xpos = 0;
4249   struct TextPosInfo *pos = &pos_name;
4250   char key_char = getValidConfigValueChar(getCharFromKey(key));
4251   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4252   boolean active = TRUE;
4253
4254   if (initialize)
4255   {
4256     getTypeNameValues(name, pos, &xpos);
4257
4258     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4259     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4260
4261     StartTextInput(sx, sy, pos->width, pos->height);
4262   }
4263   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4264   {
4265     name[xpos] = key_char;
4266     name[xpos + 1] = 0;
4267
4268     xpos++;
4269   }
4270   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4271   {
4272     xpos--;
4273
4274     name[xpos] = 0;
4275   }
4276   else if (key == KSYM_Return || key == KSYM_Escape)
4277   {
4278     boolean changed = (key == KSYM_Return);
4279
4280     StopTextInput();
4281
4282     setTypeNameValues(name, pos, changed);
4283
4284     active = FALSE;
4285   }
4286
4287   drawTypeNameText(name, pos, active);
4288
4289   if (!active)
4290   {
4291     SetGameStatus(game_status_last_screen);
4292
4293     if (game_status == GAME_MODE_MAIN)
4294       InitializeMainControls();
4295   }
4296 }
4297
4298 static void DrawTypeName(void)
4299 {
4300   HandleTypeNameExt(TRUE, 0);
4301 }
4302
4303 void HandleTypeName(Key key)
4304 {
4305   HandleTypeNameExt(FALSE, key);
4306 }
4307
4308
4309 // ============================================================================
4310 // tree menu functions
4311 // ============================================================================
4312
4313 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4314 {
4315   if (game_status != GAME_MODE_SETUP ||
4316       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4317     return 0;
4318
4319   int max_text_size = 0;
4320   TreeInfo *node;
4321
4322   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4323     max_text_size = MAX(max_text_size, strlen(node->name));
4324
4325   int num_entries = numTreeInfoInGroup(ti);
4326   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4327   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4328   int text_width = max_text_size * getFontWidth(font_nr);
4329   int button_width = SC_MENUBUTTON_XSIZE;
4330   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4331   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4332   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4333   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4334   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4335   int align_xoffset = MAX(0, align_xoffset_raw);
4336
4337   return align_xoffset;
4338 }
4339
4340 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4341 {
4342   if (game_status != GAME_MODE_SETUP ||
4343       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4344     return 0;
4345
4346   int num_entries = numTreeInfoInGroup(ti);
4347   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4348   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4349   int font_height = getFontHeight(font_nr);
4350   int text_height = font_height * num_page_entries;
4351   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4352   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4353   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4354   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4355   int align_yoffset = MAX(0, align_yoffset_raw);
4356
4357   return align_yoffset;
4358 }
4359
4360 static void DrawChooseTree(TreeInfo **ti_ptr)
4361 {
4362   int fade_mask = REDRAW_FIELD;
4363
4364   if (CheckFadeAll())
4365     fade_mask = REDRAW_ALL;
4366
4367   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4368   {
4369     if (game_status == GAME_MODE_SETUP)
4370     {
4371       execSetupArtwork();
4372     }
4373     else        // GAME_MODE_LEVELS
4374     {
4375       SetGameStatus(GAME_MODE_MAIN);
4376
4377       DrawMainMenu();
4378     }
4379
4380     return;
4381   }
4382
4383   UnmapAllGadgets();
4384
4385   FreeScreenGadgets();
4386   CreateScreenGadgets();
4387
4388   FadeOut(fade_mask);
4389
4390   // needed if different viewport properties defined for choosing level (set)
4391   ChangeViewportPropertiesIfNeeded();
4392
4393   if (game_status == GAME_MODE_NAMES)
4394     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4395   else if (game_status == GAME_MODE_LEVELNR)
4396     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4397   else if (game_status == GAME_MODE_LEVELS)
4398     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4399
4400   ClearField();
4401
4402   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4403
4404   MapScreenTreeGadgets(*ti_ptr);
4405   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4406
4407   DrawMaskedBorder(fade_mask);
4408
4409   FadeIn(fade_mask);
4410 }
4411
4412 static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
4413 {
4414   int num_entries = numTreeInfoInGroup(ti);
4415   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4416   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4417   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4418   int first_entry = ti->cl_first;
4419   int entry_pos = first_entry + y;
4420   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4421   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4422   int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
4423   int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
4424   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4425   int xpos = MENU_SCREEN_START_XPOS;
4426   int ypos = MENU_SCREEN_START_YPOS + y;
4427   int startx = amSX + xpos * 32;
4428   int starty = amSY + ypos * 32;
4429   int startx_text = startx + font_xoffset;
4430   int endx_text = amSX + screen_width;
4431   int max_text_size = endx_text - startx_text;
4432   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4433   char buffer[max_buffer_len + 1];
4434
4435   strncpy(buffer, node->name, max_buffer_len);
4436   buffer[max_buffer_len] = '\0';
4437
4438   DrawText(startx, starty, buffer, font_nr);
4439 }
4440
4441 static void drawChooseTreeList(int first_entry, int num_page_entries,
4442                                TreeInfo *ti)
4443 {
4444   int i;
4445   char *title_string = NULL;
4446   int yoffset_sets = MENU_TITLE1_YPOS;
4447   int yoffset_setup = 16;
4448   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4449                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4450
4451   title_string = ti->infotext;
4452
4453   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4454
4455   clearMenuListArea();
4456
4457   for (i = 0; i < num_page_entries; i++)
4458   {
4459     TreeInfo *node, *node_first;
4460     int entry_pos = first_entry + i;
4461
4462     node_first = getTreeInfoFirstGroupEntry(ti);
4463     node = getTreeInfoFromPos(node_first, entry_pos);
4464
4465     drawChooseTreeText(i, FALSE, ti);
4466
4467     if (node->parent_link)
4468       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4469     else if (node->level_group)
4470       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4471     else
4472       initCursor(i, IMG_MENU_BUTTON);
4473
4474     if (game_status == GAME_MODE_NAMES)
4475       drawChooseTreeEdit(i, FALSE);
4476   }
4477
4478   redraw_mask |= REDRAW_FIELD;
4479 }
4480
4481 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4482 {
4483   TreeInfo *node, *node_first;
4484   int x, last_redraw_mask = redraw_mask;
4485   int ypos = MENU_TITLE2_YPOS;
4486   int font_nr = FONT_TITLE_2;
4487
4488   if (ti->type == TREE_TYPE_LEVEL_NR)
4489     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4490
4491   if (ti->type != TREE_TYPE_LEVEL_DIR)
4492     return;
4493
4494   node_first = getTreeInfoFirstGroupEntry(ti);
4495   node = getTreeInfoFromPos(node_first, entry_pos);
4496
4497   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4498
4499   if (node->parent_link)
4500     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4501                       node->node_parent->name);
4502   else if (node->level_group)
4503     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4504                       node->name);
4505   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4506     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4507                       node->levels, (node->levels > 1 ? "levels" : "level"),
4508                       node->class_desc);
4509
4510   // let BackToFront() redraw only what is needed
4511   redraw_mask = last_redraw_mask;
4512   for (x = 0; x < SCR_FIELDX; x++)
4513     MarkTileDirty(x, 1);
4514 }
4515
4516 static void drawChooseTreeCursorAndText(int y, boolean active, TreeInfo *ti)
4517 {
4518   drawChooseTreeCursor(y, active);
4519   drawChooseTreeText(y, active, ti);
4520 }
4521
4522 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4523                              TreeInfo **ti_ptr)
4524 {
4525   TreeInfo *ti = *ti_ptr;
4526   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4527   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4528   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4529   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4530   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4531   int x = 0;
4532   int y = ti->cl_cursor;
4533   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4534   int num_entries = numTreeInfoInGroup(ti);
4535   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4536   boolean position_set_by_scrollbar = (dx == 999);
4537
4538   if (button == MB_MENU_INITIALIZE)
4539   {
4540     int num_entries = numTreeInfoInGroup(ti);
4541     int entry_pos = getPosFromTreeInfo(ti);
4542
4543     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4544     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4545
4546     if (ti->cl_first == -1)
4547     {
4548       // only on initialization
4549       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4550       ti->cl_cursor = entry_pos - ti->cl_first;
4551     }
4552     else if (ti->cl_cursor >= num_page_entries ||
4553              (num_entries > num_page_entries &&
4554               num_entries - ti->cl_first < num_page_entries))
4555     {
4556       // only after change of list size (by custom graphic configuration)
4557       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4558       ti->cl_cursor = entry_pos - ti->cl_first;
4559     }
4560
4561     if (position_set_by_scrollbar)
4562       ti->cl_first = dy;
4563     else
4564       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4565                                 ti->cl_first, ti);
4566
4567     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4568     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4569     drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4570
4571     return;
4572   }
4573   else if (button == MB_MENU_LEAVE)
4574   {
4575     FadeSetLeaveMenu();
4576
4577     PlaySound(SND_MENU_ITEM_SELECTING);
4578
4579     if (ti->node_parent)
4580     {
4581       *ti_ptr = ti->node_parent;
4582       DrawChooseTree(ti_ptr);
4583     }
4584     else if (game_status == GAME_MODE_SETUP)
4585     {
4586       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4587           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4588           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4589         execSetupGame();
4590       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4591                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4592                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4593                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4594         execSetupGraphics();
4595       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4596                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4597                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4598         execSetupSound();
4599       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4600                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4601                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4602                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4603                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4604                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4605                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4606                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4607         execSetupTouch();
4608       else
4609         execSetupArtwork();
4610     }
4611     else
4612     {
4613       if (game_status == GAME_MODE_LEVELNR)
4614       {
4615         int new_level_nr = atoi(level_number_current->identifier);
4616
4617         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4618       }
4619
4620       SetGameStatus(GAME_MODE_MAIN);
4621
4622       DrawMainMenu();
4623     }
4624
4625     return;
4626   }
4627
4628   if (mx || my)         // mouse input
4629   {
4630     x = (mx - amSX) / 32;
4631     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4632
4633     if (game_status == GAME_MODE_NAMES)
4634       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4635   }
4636   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4637   {
4638     // move cursor instead of scrolling when already at start/end of list
4639     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4640       dy = -1;
4641     else if (dy == +1 * SCROLL_LINE &&
4642              ti->cl_first + num_page_entries == num_entries)
4643       dy = 1;
4644
4645     // handle scrolling screen one line or page
4646     if (ti->cl_cursor + dy < 0 ||
4647         ti->cl_cursor + dy > num_page_entries - 1)
4648     {
4649       boolean redraw = FALSE;
4650
4651       if (ABS(dy) == SCROLL_PAGE)
4652         step = num_page_entries - 1;
4653
4654       if (dy < 0 && ti->cl_first > 0)
4655       {
4656         // scroll page/line up
4657
4658         ti->cl_first -= step;
4659         if (ti->cl_first < 0)
4660           ti->cl_first = 0;
4661
4662         redraw = TRUE;
4663       }
4664       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4665       {
4666         // scroll page/line down
4667
4668         ti->cl_first += step;
4669         if (ti->cl_first + num_page_entries > num_entries)
4670           ti->cl_first = MAX(0, num_entries - num_page_entries);
4671
4672         redraw = TRUE;
4673       }
4674
4675       if (redraw)
4676       {
4677         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4678         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4679         drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4680
4681         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4682                                   ti->cl_first, ti);
4683       }
4684
4685       return;
4686     }
4687
4688     // handle moving cursor one line
4689     y = ti->cl_cursor + dy;
4690   }
4691
4692   if (dx == 1)
4693   {
4694     TreeInfo *node_first, *node_cursor;
4695     int entry_pos = ti->cl_first + y;
4696
4697     node_first = getTreeInfoFirstGroupEntry(ti);
4698     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4699
4700     if (node_cursor->node_group)
4701     {
4702       FadeSetEnterMenu();
4703
4704       PlaySound(SND_MENU_ITEM_SELECTING);
4705
4706       node_cursor->cl_first = ti->cl_first;
4707       node_cursor->cl_cursor = ti->cl_cursor;
4708       *ti_ptr = node_cursor->node_group;
4709       DrawChooseTree(ti_ptr);
4710
4711       return;
4712     }
4713   }
4714   else if (dx == -1 && ti->node_parent)
4715   {
4716     FadeSetLeaveMenu();
4717
4718     PlaySound(SND_MENU_ITEM_SELECTING);
4719
4720     *ti_ptr = ti->node_parent;
4721     DrawChooseTree(ti_ptr);
4722
4723     return;
4724   }
4725
4726   if (!anyScrollbarGadgetActive() &&
4727       IN_VIS_MENU(x, y) &&
4728       mx < mx_right_border &&
4729       y >= 0 && y < num_page_entries)
4730   {
4731     if (button)
4732     {
4733       if (game_status == GAME_MODE_NAMES)
4734       {
4735         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4736           drawChooseTreeEdit(y, TRUE);
4737       }
4738
4739       if (y != ti->cl_cursor)
4740       {
4741         PlaySound(SND_MENU_ITEM_ACTIVATING);
4742
4743         drawChooseTreeCursorAndText(ti->cl_cursor, FALSE, ti);
4744         drawChooseTreeCursorAndText(y, TRUE, ti);
4745         drawChooseTreeInfo(ti->cl_first + y, ti);
4746
4747         ti->cl_cursor = y;
4748       }
4749       else if (dx < 0)
4750       {
4751         if (game_status == GAME_MODE_SETUP)
4752         {
4753           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4754               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4755               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4756             execSetupGame();
4757           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4758                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4759                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4760                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4761             execSetupGraphics();
4762           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4763                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4764                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4765             execSetupSound();
4766           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4767                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4768                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4769                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4770                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4771                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4772                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4773                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4774             execSetupTouch();
4775           else
4776             execSetupArtwork();
4777         }
4778       }
4779     }
4780     else
4781     {
4782       TreeInfo *node_first, *node_cursor;
4783       int entry_pos = ti->cl_first + y;
4784
4785       PlaySound(SND_MENU_ITEM_SELECTING);
4786
4787       node_first = getTreeInfoFirstGroupEntry(ti);
4788       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4789
4790       if (node_cursor->node_group)
4791       {
4792         FadeSetEnterMenu();
4793
4794         node_cursor->cl_first = ti->cl_first;
4795         node_cursor->cl_cursor = ti->cl_cursor;
4796         *ti_ptr = node_cursor->node_group;
4797         DrawChooseTree(ti_ptr);
4798       }
4799       else if (node_cursor->parent_link)
4800       {
4801         FadeSetLeaveMenu();
4802
4803         *ti_ptr = node_cursor->node_parent;
4804         DrawChooseTree(ti_ptr);
4805       }
4806       else
4807       {
4808         FadeSetEnterMenu();
4809
4810         node_cursor->cl_first = ti->cl_first;
4811         node_cursor->cl_cursor = ti->cl_cursor;
4812         *ti_ptr = node_cursor;
4813
4814         if (ti->type == TREE_TYPE_LEVEL_DIR)
4815         {
4816           LoadLevelSetup_SeriesInfo();
4817
4818           SaveLevelSetup_LastSeries();
4819           SaveLevelSetup_SeriesInfo();
4820           TapeErase();
4821         }
4822
4823         if (game_status == GAME_MODE_SETUP)
4824         {
4825           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4826               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4827               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4828             execSetupGame();
4829           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4830                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4831                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4832                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4833             execSetupGraphics();
4834           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4835                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4836                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4837             execSetupSound();
4838           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4839                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4840                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4841                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4842                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4843                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4844                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4845                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4846             execSetupTouch();
4847           else
4848             execSetupArtwork();
4849         }
4850         else
4851         {
4852           if (game_status == GAME_MODE_LEVELNR)
4853           {
4854             int new_level_nr = atoi(level_number_current->identifier);
4855
4856             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4857           }
4858           else if (game_status == GAME_MODE_NAMES)
4859           {
4860             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4861             {
4862               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4863
4864               DrawTypeName();
4865
4866               return;
4867             }
4868
4869             // change active user to selected user
4870             user.nr = entry_pos;
4871
4872             // save number of new active user
4873             SaveUserSetup();
4874
4875             // load setup of new active user
4876             LoadSetup();
4877
4878             // load last level set of new active user
4879             LoadLevelSetup_LastSeries();
4880             LoadLevelSetup_SeriesInfo();
4881
4882             // update list of last played level sets
4883             UpdateLastPlayedLevels_TreeInfo();
4884
4885             TapeErase();
4886
4887             ToggleFullscreenIfNeeded();
4888             ChangeWindowScalingIfNeeded();
4889
4890             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4891             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4892             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4893           }
4894
4895           SetGameStatus(GAME_MODE_MAIN);
4896
4897           DrawMainMenu();
4898         }
4899       }
4900     }
4901   }
4902 }
4903
4904 void DrawChoosePlayerName(void)
4905 {
4906   int i;
4907
4908   FadeMenuSoundsAndMusic();
4909
4910   if (player_name != NULL)
4911   {
4912     freeTreeInfo(player_name);
4913
4914     player_name = NULL;
4915   }
4916
4917   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4918   {
4919     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
4920     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4921     int value = i;
4922
4923     ti->node_top = &player_name;
4924     ti->sort_priority = 10000 + value;
4925     ti->color = getPlayerNameColor(global.user_names[i]);
4926
4927     snprintf(identifier, sizeof(identifier), "%d", value);
4928     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4929
4930     setString(&ti->identifier, identifier);
4931     setString(&ti->name, name);
4932     setString(&ti->name_sorting, name);
4933
4934     pushTreeInfo(&player_name, ti);
4935   }
4936
4937   // sort player entries by player number
4938   sortTreeInfo(&player_name);
4939
4940   // set current player entry to selected player entry
4941   player_name_current =
4942     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4943
4944   // if that fails, set current player name to first available name
4945   if (player_name_current == NULL)
4946     player_name_current = player_name;
4947
4948   DrawChooseTree(&player_name_current);
4949
4950   PlayMenuSoundsAndMusic();
4951 }
4952
4953 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4954 {
4955   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4956 }
4957
4958 void DrawChooseLevelSet(void)
4959 {
4960   FadeMenuSoundsAndMusic();
4961
4962   DrawChooseTree(&leveldir_current);
4963
4964   PlayMenuSoundsAndMusic();
4965 }
4966
4967 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4968 {
4969   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4970 }
4971
4972 void DrawChooseLevelNr(void)
4973 {
4974   int i;
4975
4976   FadeMenuSoundsAndMusic();
4977
4978   if (level_number != NULL)
4979   {
4980     freeTreeInfo(level_number);
4981
4982     level_number = NULL;
4983   }
4984
4985   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4986   {
4987     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4988     char identifier[32], name[64];
4989     int value = i;
4990
4991     // temporarily load level info to get level name
4992     LoadLevelInfoOnly(i);
4993
4994     ti->node_top = &level_number;
4995     ti->sort_priority = 10000 + value;
4996     ti->color = (level.no_level_file ? FC_BLUE :
4997                  LevelStats_getSolved(i) ? FC_GREEN :
4998                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4999
5000     snprintf(identifier, sizeof(identifier), "%d", value);
5001     snprintf(name, sizeof(name), "%03d: %s", value,
5002              (level.no_level_file ? "(no file)" : level.name));
5003
5004     setString(&ti->identifier, identifier);
5005     setString(&ti->name, name);
5006     setString(&ti->name_sorting, name);
5007
5008     pushTreeInfo(&level_number, ti);
5009   }
5010
5011   // sort level number values to start with lowest level number
5012   sortTreeInfo(&level_number);
5013
5014   // set current level number to current level number
5015   level_number_current =
5016     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5017
5018   // if that also fails, set current level number to first available level
5019   if (level_number_current == NULL)
5020     level_number_current = level_number;
5021
5022   DrawChooseTree(&level_number_current);
5023
5024   PlayMenuSoundsAndMusic();
5025 }
5026
5027 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5028 {
5029   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5030 }
5031
5032 void DrawHallOfFame(int level_nr, int highlight_position)
5033 {
5034   int fade_mask = REDRAW_FIELD;
5035
5036   if (CheckFadeAll())
5037     fade_mask = REDRAW_ALL;
5038
5039   UnmapAllGadgets();
5040   FadeMenuSoundsAndMusic();
5041
5042   // (this is needed when called from GameEnd() after winning a game)
5043   KeyboardAutoRepeatOn();
5044
5045   // (this is needed when called from GameEnd() after winning a game)
5046   SetDrawDeactivationMask(REDRAW_NONE);
5047   SetDrawBackgroundMask(REDRAW_FIELD);
5048
5049   if (highlight_position < 0)
5050     LoadScore(level_nr);
5051   else
5052     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5053
5054   FadeSetEnterScreen();
5055
5056   FadeOut(fade_mask);
5057
5058   // needed if different viewport properties defined for scores
5059   ChangeViewportPropertiesIfNeeded();
5060
5061   PlayMenuSoundsAndMusic();
5062
5063   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5064
5065   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
5066
5067   DrawMaskedBorder(fade_mask);
5068
5069   FadeIn(fade_mask);
5070 }
5071
5072 static void drawHallOfFameList(int level_nr, int first_entry,
5073                                int highlight_position)
5074 {
5075   int i, j;
5076
5077   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5078   ClearField();
5079
5080   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5081   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5082                     "HighScores of Level %d", level_nr);
5083
5084   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5085   {
5086     int entry = first_entry + i;
5087     boolean active = (entry == highlight_position);
5088     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5089     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5090     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5091     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5092     int dxoff = getFontDrawOffsetX(font_nr1);
5093     int dx1 = 3 * getFontWidth(font_nr1);
5094     int dx2 = dx1 + getFontWidth(font_nr1);
5095     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5096     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5097     int sy = mSY + 64 + i * 32;
5098
5099     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5100     DrawText(mSX + dx1, sy, ".", font_nr1);
5101
5102     for (j = 0; j < num_dots; j++)
5103       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5104
5105     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5106       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5107
5108     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5109   }
5110
5111   redraw_mask |= REDRAW_FIELD;
5112 }
5113
5114 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5115 {
5116   static int level_nr = 0;
5117   static int first_entry = 0;
5118   static int highlight_position = 0;
5119   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5120
5121   if (button == MB_MENU_INITIALIZE)
5122   {
5123     level_nr = mx;
5124     highlight_position = my;
5125
5126     first_entry = highlight_position - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5127
5128     if (first_entry < 0)
5129       first_entry = 0;
5130     else if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5131       first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5132
5133     drawHallOfFameList(level_nr, first_entry, highlight_position);
5134
5135     return;
5136   }
5137
5138   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5139     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5140
5141   if (dy < 0)
5142   {
5143     if (first_entry > 0)
5144     {
5145       first_entry -= step;
5146       if (first_entry < 0)
5147         first_entry = 0;
5148
5149       drawHallOfFameList(level_nr, first_entry, highlight_position);
5150     }
5151   }
5152   else if (dy > 0)
5153   {
5154     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5155     {
5156       first_entry += step;
5157       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5158         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5159
5160       drawHallOfFameList(level_nr, first_entry, highlight_position);
5161     }
5162   }
5163   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5164   {
5165     PlaySound(SND_MENU_ITEM_SELECTING);
5166
5167     FadeSound(SND_BACKGROUND_SCORES);
5168
5169     if (button == MB_MENU_CHOICE &&
5170         game_status_last_screen == GAME_MODE_PLAYING &&
5171         setup.auto_play_next_level && setup.increment_levels &&
5172         level_nr < leveldir_current->last_level &&
5173         !network_playing)
5174     {
5175       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5176     }
5177     else
5178     {
5179       SetGameStatus(GAME_MODE_MAIN);
5180
5181       DrawMainMenu();
5182     }
5183   }
5184
5185   if (game_status == GAME_MODE_SCORES)
5186     PlayMenuSoundIfLoop();
5187 }
5188
5189
5190 // ============================================================================
5191 // setup screen functions
5192 // ============================================================================
5193
5194 static struct TokenInfo *setup_info;
5195 static int num_setup_info;      // number of setup entries shown on screen
5196 static int max_setup_info;      // total number of setup entries in list
5197
5198 static char *window_size_text;
5199 static char *scaling_type_text;
5200 static char *rendering_mode_text;
5201 static char *vsync_mode_text;
5202 static char *scroll_delay_text;
5203 static char *snapshot_mode_text;
5204 static char *game_speed_text;
5205 static char *network_server_text;
5206 static char *graphics_set_name;
5207 static char *sounds_set_name;
5208 static char *music_set_name;
5209 static char *volume_simple_text;
5210 static char *volume_loops_text;
5211 static char *volume_music_text;
5212 static char *touch_controls_text;
5213 static char *move_distance_text;
5214 static char *drop_distance_text;
5215 static char *transparency_text;
5216 static char *grid_size_text[2][2];
5217
5218 static void execSetupMain(void)
5219 {
5220   setup_mode = SETUP_MODE_MAIN;
5221
5222   DrawSetupScreen();
5223 }
5224
5225 static void execSetupGame_setGameSpeeds(boolean update_value)
5226 {
5227   if (setup.game_speed_extended)
5228   {
5229     game_speeds_list = game_speeds_list_extended;
5230     game_speeds      = game_speeds_extended;
5231   }
5232   else
5233   {
5234     game_speeds_list = game_speeds_list_normal;
5235     game_speeds      = game_speeds_normal;
5236   }
5237
5238   if (game_speeds == NULL)
5239   {
5240     int i;
5241
5242     for (i = 0; game_speeds_list[i].value != -1; i++)
5243     {
5244       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5245       char identifier[32], name[32];
5246       int value = game_speeds_list[i].value;
5247       char *text = game_speeds_list[i].text;
5248
5249       ti->node_top = &game_speeds;
5250       ti->sort_priority = 10000 - value;
5251
5252       sprintf(identifier, "%d", value);
5253       sprintf(name, "%s", text);
5254
5255       setString(&ti->identifier, identifier);
5256       setString(&ti->name, name);
5257       setString(&ti->name_sorting, name);
5258       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5259
5260       pushTreeInfo(&game_speeds, ti);
5261     }
5262
5263     // sort game speed values to start with slowest game speed
5264     sortTreeInfo(&game_speeds);
5265
5266     update_value = TRUE;
5267   }
5268
5269   if (update_value)
5270   {
5271     // set current game speed to configured game speed value
5272     game_speed_current =
5273       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5274
5275     // if that fails, set current game speed to reliable default value
5276     if (game_speed_current == NULL)
5277       game_speed_current =
5278         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5279
5280     // if that also fails, set current game speed to first available speed
5281     if (game_speed_current == NULL)
5282       game_speed_current = game_speeds;
5283
5284     if (setup.game_speed_extended)
5285       game_speeds_extended = game_speeds;
5286     else
5287       game_speeds_normal = game_speeds;
5288   }
5289
5290   setup.game_frame_delay = atoi(game_speed_current->identifier);
5291
5292   // needed for displaying game speed text instead of identifier
5293   game_speed_text = game_speed_current->name;
5294 }
5295
5296 static void execSetupGame_setScrollDelays(void)
5297 {
5298   if (scroll_delays == NULL)
5299   {
5300     int i;
5301
5302     for (i = 0; scroll_delays_list[i].value != -1; i++)
5303     {
5304       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5305       char identifier[32], name[32];
5306       int value = scroll_delays_list[i].value;
5307       char *text = scroll_delays_list[i].text;
5308
5309       ti->node_top = &scroll_delays;
5310       ti->sort_priority = value;
5311
5312       sprintf(identifier, "%d", value);
5313       sprintf(name, "%s", text);
5314
5315       setString(&ti->identifier, identifier);
5316       setString(&ti->name, name);
5317       setString(&ti->name_sorting, name);
5318       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5319
5320       pushTreeInfo(&scroll_delays, ti);
5321     }
5322
5323     // sort scroll delay values to start with lowest scroll delay value
5324     sortTreeInfo(&scroll_delays);
5325
5326     // set current scroll delay value to configured scroll delay value
5327     scroll_delay_current =
5328       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5329
5330     // if that fails, set current scroll delay to reliable default value
5331     if (scroll_delay_current == NULL)
5332       scroll_delay_current =
5333         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5334
5335     // if that also fails, set current scroll delay to first available value
5336     if (scroll_delay_current == NULL)
5337       scroll_delay_current = scroll_delays;
5338   }
5339
5340   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5341
5342   // needed for displaying scroll delay text instead of identifier
5343   scroll_delay_text = scroll_delay_current->name;
5344 }
5345
5346 static void execSetupGame_setSnapshotModes(void)
5347 {
5348   if (snapshot_modes == NULL)
5349   {
5350     int i;
5351
5352     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5353     {
5354       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5355       char identifier[32], name[32];
5356       char *value = snapshot_modes_list[i].value;
5357       char *text = snapshot_modes_list[i].text;
5358
5359       ti->node_top = &snapshot_modes;
5360       ti->sort_priority = i;
5361
5362       sprintf(identifier, "%s", value);
5363       sprintf(name, "%s", text);
5364
5365       setString(&ti->identifier, identifier);
5366       setString(&ti->name, name);
5367       setString(&ti->name_sorting, name);
5368       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5369
5370       pushTreeInfo(&snapshot_modes, ti);
5371     }
5372
5373     // sort snapshot mode values to start with lowest snapshot mode value
5374     sortTreeInfo(&snapshot_modes);
5375
5376     // set current snapshot mode value to configured snapshot mode value
5377     snapshot_mode_current =
5378       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5379
5380     // if that fails, set current snapshot mode to reliable default value
5381     if (snapshot_mode_current == NULL)
5382       snapshot_mode_current =
5383         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5384
5385     // if that also fails, set current snapshot mode to first available value
5386     if (snapshot_mode_current == NULL)
5387       snapshot_mode_current = snapshot_modes;
5388   }
5389
5390   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5391
5392   // needed for displaying snapshot mode text instead of identifier
5393   snapshot_mode_text = snapshot_mode_current->name;
5394 }
5395
5396 static void execSetupGame_setNetworkServerText(void)
5397 {
5398   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5399   {
5400     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5401   }
5402   else
5403   {
5404     strncpy(network_server_hostname, setup.network_server_hostname,
5405             MAX_SETUP_TEXT_INPUT_LEN);
5406     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5407   }
5408
5409   // needed for displaying network server text instead of identifier
5410   network_server_text = network_server_hostname;
5411 }
5412
5413 static void execSetupGame(void)
5414 {
5415   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5416
5417   execSetupGame_setGameSpeeds(FALSE);
5418   execSetupGame_setScrollDelays();
5419   execSetupGame_setSnapshotModes();
5420
5421   execSetupGame_setNetworkServerText();
5422
5423   setup_mode = SETUP_MODE_GAME;
5424
5425   DrawSetupScreen();
5426
5427   // check if vsync needs to be disabled for this game speed to work
5428   if (check_vsync_mode)
5429     DisableVsyncIfNeeded();
5430 }
5431
5432 static void execSetupChooseGameSpeed(void)
5433 {
5434   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5435
5436   DrawSetupScreen();
5437 }
5438
5439 static void execSetupChooseScrollDelay(void)
5440 {
5441   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5442
5443   DrawSetupScreen();
5444 }
5445
5446 static void execSetupChooseSnapshotMode(void)
5447 {
5448   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5449
5450   DrawSetupScreen();
5451 }
5452
5453 static void execSetupEngines(void)
5454 {
5455   setup_mode = SETUP_MODE_ENGINES;
5456
5457   DrawSetupScreen();
5458 }
5459
5460 static void execSetupEditor(void)
5461 {
5462   setup_mode = SETUP_MODE_EDITOR;
5463
5464   DrawSetupScreen();
5465 }
5466
5467 static void execSetupGraphics_setWindowSizes(boolean update_list)
5468 {
5469   if (window_sizes != NULL && update_list)
5470   {
5471     freeTreeInfo(window_sizes);
5472
5473     window_sizes = NULL;
5474   }
5475
5476   if (window_sizes == NULL)
5477   {
5478     boolean current_window_size_found = FALSE;
5479     int i;
5480
5481     for (i = 0; window_sizes_list[i].value != -1; i++)
5482     {
5483       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5484       char identifier[32], name[32];
5485       int value = window_sizes_list[i].value;
5486       char *text = window_sizes_list[i].text;
5487
5488       ti->node_top = &window_sizes;
5489       ti->sort_priority = value;
5490
5491       sprintf(identifier, "%d", value);
5492       sprintf(name, "%s", text);
5493
5494       setString(&ti->identifier, identifier);
5495       setString(&ti->name, name);
5496       setString(&ti->name_sorting, name);
5497       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5498
5499       pushTreeInfo(&window_sizes, ti);
5500
5501       if (value == setup.window_scaling_percent)
5502         current_window_size_found = TRUE;
5503     }
5504
5505     if (!current_window_size_found)
5506     {
5507       // add entry for non-preset window scaling value
5508
5509       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5510       char identifier[32], name[32];
5511       int value = setup.window_scaling_percent;
5512
5513       ti->node_top = &window_sizes;
5514       ti->sort_priority = value;
5515
5516       sprintf(identifier, "%d", value);
5517       sprintf(name, "%d %% (Current)", value);
5518
5519       setString(&ti->identifier, identifier);
5520       setString(&ti->name, name);
5521       setString(&ti->name_sorting, name);
5522       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5523
5524       pushTreeInfo(&window_sizes, ti);
5525     }
5526
5527     // sort window size values to start with lowest window size value
5528     sortTreeInfo(&window_sizes);
5529
5530     // set current window size value to configured window size value
5531     window_size_current =
5532       getTreeInfoFromIdentifier(window_sizes,
5533                                 i_to_a(setup.window_scaling_percent));
5534
5535     // if that fails, set current window size to reliable default value
5536     if (window_size_current == NULL)
5537       window_size_current =
5538         getTreeInfoFromIdentifier(window_sizes,
5539                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5540
5541     // if that also fails, set current window size to first available value
5542     if (window_size_current == NULL)
5543       window_size_current = window_sizes;
5544   }
5545
5546   setup.window_scaling_percent = atoi(window_size_current->identifier);
5547
5548   // needed for displaying window size text instead of identifier
5549   window_size_text = window_size_current->name;
5550 }
5551
5552 static void execSetupGraphics_setScalingTypes(void)
5553 {
5554   if (scaling_types == NULL)
5555   {
5556     int i;
5557
5558     for (i = 0; scaling_types_list[i].value != NULL; i++)
5559     {
5560       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5561       char identifier[32], name[32];
5562       char *value = scaling_types_list[i].value;
5563       char *text = scaling_types_list[i].text;
5564
5565       ti->node_top = &scaling_types;
5566       ti->sort_priority = i;
5567
5568       sprintf(identifier, "%s", value);
5569       sprintf(name, "%s", text);
5570
5571       setString(&ti->identifier, identifier);
5572       setString(&ti->name, name);
5573       setString(&ti->name_sorting, name);
5574       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5575
5576       pushTreeInfo(&scaling_types, ti);
5577     }
5578
5579     // sort scaling type values to start with lowest scaling type value
5580     sortTreeInfo(&scaling_types);
5581
5582     // set current scaling type value to configured scaling type value
5583     scaling_type_current =
5584       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5585
5586     // if that fails, set current scaling type to reliable default value
5587     if (scaling_type_current == NULL)
5588       scaling_type_current =
5589         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5590
5591     // if that also fails, set current scaling type to first available value
5592     if (scaling_type_current == NULL)
5593       scaling_type_current = scaling_types;
5594   }
5595
5596   setup.window_scaling_quality = scaling_type_current->identifier;
5597
5598   // needed for displaying scaling type text instead of identifier
5599   scaling_type_text = scaling_type_current->name;
5600 }
5601
5602 static void execSetupGraphics_setRenderingModes(void)
5603 {
5604   if (rendering_modes == NULL)
5605   {
5606     int i;
5607
5608     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5609     {
5610       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5611       char identifier[32], name[32];
5612       char *value = rendering_modes_list[i].value;
5613       char *text = rendering_modes_list[i].text;
5614
5615       ti->node_top = &rendering_modes;
5616       ti->sort_priority = i;
5617
5618       sprintf(identifier, "%s", value);
5619       sprintf(name, "%s", text);
5620
5621       setString(&ti->identifier, identifier);
5622       setString(&ti->name, name);
5623       setString(&ti->name_sorting, name);
5624       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5625
5626       pushTreeInfo(&rendering_modes, ti);
5627     }
5628
5629     // sort rendering mode values to start with lowest rendering mode value
5630     sortTreeInfo(&rendering_modes);
5631
5632     // set current rendering mode value to configured rendering mode value
5633     rendering_mode_current =
5634       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5635
5636     // if that fails, set current rendering mode to reliable default value
5637     if (rendering_mode_current == NULL)
5638       rendering_mode_current =
5639         getTreeInfoFromIdentifier(rendering_modes,
5640                                   STR_SPECIAL_RENDERING_DEFAULT);
5641
5642     // if that also fails, set current rendering mode to first available one
5643     if (rendering_mode_current == NULL)
5644       rendering_mode_current = rendering_modes;
5645   }
5646
5647   setup.screen_rendering_mode = rendering_mode_current->identifier;
5648
5649   // needed for displaying rendering mode text instead of identifier
5650   rendering_mode_text = rendering_mode_current->name;
5651 }
5652
5653 static void execSetupGraphics_setVsyncModes(boolean update_value)
5654 {
5655   if (vsync_modes == NULL)
5656   {
5657     int i;
5658
5659     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5660     {
5661       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5662       char identifier[32], name[32];
5663       char *value = vsync_modes_list[i].value;
5664       char *text = vsync_modes_list[i].text;
5665
5666       ti->node_top = &vsync_modes;
5667       ti->sort_priority = i;
5668
5669       sprintf(identifier, "%s", value);
5670       sprintf(name, "%s", text);
5671
5672       setString(&ti->identifier, identifier);
5673       setString(&ti->name, name);
5674       setString(&ti->name_sorting, name);
5675       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5676
5677       pushTreeInfo(&vsync_modes, ti);
5678     }
5679
5680     // sort vsync mode values to start with lowest vsync mode value
5681     sortTreeInfo(&vsync_modes);
5682
5683     update_value = TRUE;
5684   }
5685
5686   if (update_value)
5687   {
5688     // set current vsync mode value to configured vsync mode value
5689     vsync_mode_current =
5690       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5691
5692     // if that fails, set current vsync mode to reliable default value
5693     if (vsync_mode_current == NULL)
5694       vsync_mode_current =
5695         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5696
5697     // if that also fails, set current vsync mode to first available one
5698     if (vsync_mode_current == NULL)
5699       vsync_mode_current = vsync_modes;
5700   }
5701
5702   setup.vsync_mode = vsync_mode_current->identifier;
5703
5704   // needed for displaying vsync mode text instead of identifier
5705   vsync_mode_text = vsync_mode_current->name;
5706 }
5707
5708 static void execSetupGraphics(void)
5709 {
5710   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5711
5712   // update "setup.window_scaling_percent" from list selection
5713   // (in this case, window scaling was changed on setup screen)
5714   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5715     execSetupGraphics_setWindowSizes(FALSE);
5716
5717   // update "setup.vsync_mode" from list selection
5718   // (in this case, vsync mode was changed on setup screen)
5719   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5720     execSetupGraphics_setVsyncModes(FALSE);
5721
5722   // update list selection from "setup.window_scaling_percent"
5723   // (window scaling may have changed by resizing the window)
5724   execSetupGraphics_setWindowSizes(TRUE);
5725
5726   // update list selection from "setup.vsync_mode"
5727   // (vsync_mode may have changed by re-creating the renderer)
5728   execSetupGraphics_setVsyncModes(TRUE);
5729
5730   execSetupGraphics_setScalingTypes();
5731   execSetupGraphics_setRenderingModes();
5732
5733   setup_mode = SETUP_MODE_GRAPHICS;
5734
5735   DrawSetupScreen();
5736
5737   // check if game speed is high enough for 60 Hz vsync to work
5738   if (check_game_speed)
5739     ModifyGameSpeedIfNeeded();
5740
5741   // window scaling may have changed at this point
5742   ChangeWindowScalingIfNeeded();
5743
5744   // window scaling quality may have changed at this point
5745   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5746     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5747
5748   // screen rendering mode may have changed at this point
5749   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5750
5751   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5752   int video_vsync_mode = video.vsync_mode;
5753
5754   // screen vsync mode may have changed at this point
5755   ChangeVsyncModeIfNeeded();
5756
5757   // check if setting vsync mode to selected value failed
5758   if (setup_vsync_mode != video_vsync_mode &&
5759       setup_vsync_mode != video.vsync_mode)
5760   {
5761     // changing vsync mode to selected value failed -- reset displayed value
5762     execSetupGraphics_setVsyncModes(TRUE);
5763
5764     Request("Setting VSync failed!", REQ_CONFIRM);
5765
5766     DrawSetupScreen();
5767   }
5768 }
5769
5770 static void execSetupChooseWindowSize(void)
5771 {
5772   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5773
5774   DrawSetupScreen();
5775 }
5776
5777 static void execSetupChooseScalingType(void)
5778 {
5779   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5780
5781   DrawSetupScreen();
5782 }
5783
5784 static void execSetupChooseRenderingMode(void)
5785 {
5786   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5787
5788   DrawSetupScreen();
5789 }
5790
5791 static void execSetupChooseVsyncMode(void)
5792 {
5793   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5794
5795   DrawSetupScreen();
5796 }
5797
5798 static void execSetupChooseVolumeSimple(void)
5799 {
5800   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5801
5802   DrawSetupScreen();
5803 }
5804
5805 static void execSetupChooseVolumeLoops(void)
5806 {
5807   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5808
5809   DrawSetupScreen();
5810 }
5811
5812 static void execSetupChooseVolumeMusic(void)
5813 {
5814   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5815
5816   DrawSetupScreen();
5817 }
5818
5819 static void execSetupSound(void)
5820 {
5821   if (volumes_simple == NULL)
5822   {
5823     boolean current_volume_simple_found = FALSE;
5824     int i;
5825
5826     for (i = 0; volumes_list[i].value != -1; i++)
5827     {
5828       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5829       char identifier[32], name[32];
5830       int value = volumes_list[i].value;
5831       char *text = volumes_list[i].text;
5832
5833       ti->node_top = &volumes_simple;
5834       ti->sort_priority = value;
5835
5836       sprintf(identifier, "%d", value);
5837       sprintf(name, "%s", text);
5838
5839       setString(&ti->identifier, identifier);
5840       setString(&ti->name, name);
5841       setString(&ti->name_sorting, name);
5842       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5843
5844       pushTreeInfo(&volumes_simple, ti);
5845
5846       if (value == setup.volume_simple)
5847         current_volume_simple_found = TRUE;
5848     }
5849
5850     if (!current_volume_simple_found)
5851     {
5852       // add entry for non-preset volume value
5853
5854       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5855       char identifier[32], name[32];
5856       int value = setup.volume_simple;
5857
5858       ti->node_top = &volumes_simple;
5859       ti->sort_priority = value;
5860
5861       sprintf(identifier, "%d", value);
5862       sprintf(name, "%d %% (Current)", value);
5863
5864       setString(&ti->identifier, identifier);
5865       setString(&ti->name, name);
5866       setString(&ti->name_sorting, name);
5867       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5868
5869       pushTreeInfo(&volumes_simple, ti);
5870     }
5871
5872     // sort volume values to start with lowest volume value
5873     sortTreeInfo(&volumes_simple);
5874
5875     // set current volume value to configured volume value
5876     volume_simple_current =
5877       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5878
5879     // if that fails, set current volume to reliable default value
5880     if (volume_simple_current == NULL)
5881       volume_simple_current =
5882         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5883
5884     // if that also fails, set current volume to first available value
5885     if (volume_simple_current == NULL)
5886       volume_simple_current = volumes_simple;
5887   }
5888
5889   if (volumes_loops == NULL)
5890   {
5891     boolean current_volume_loops_found = FALSE;
5892     int i;
5893
5894     for (i = 0; volumes_list[i].value != -1; i++)
5895     {
5896       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5897       char identifier[32], name[32];
5898       int value = volumes_list[i].value;
5899       char *text = volumes_list[i].text;
5900
5901       ti->node_top = &volumes_loops;
5902       ti->sort_priority = value;
5903
5904       sprintf(identifier, "%d", value);
5905       sprintf(name, "%s", text);
5906
5907       setString(&ti->identifier, identifier);
5908       setString(&ti->name, name);
5909       setString(&ti->name_sorting, name);
5910       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5911
5912       pushTreeInfo(&volumes_loops, ti);
5913
5914       if (value == setup.volume_loops)
5915         current_volume_loops_found = TRUE;
5916     }
5917
5918     if (!current_volume_loops_found)
5919     {
5920       // add entry for non-preset volume value
5921
5922       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5923       char identifier[32], name[32];
5924       int value = setup.volume_loops;
5925
5926       ti->node_top = &volumes_loops;
5927       ti->sort_priority = value;
5928
5929       sprintf(identifier, "%d", value);
5930       sprintf(name, "%d %% (Current)", value);
5931
5932       setString(&ti->identifier, identifier);
5933       setString(&ti->name, name);
5934       setString(&ti->name_sorting, name);
5935       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5936
5937       pushTreeInfo(&volumes_loops, ti);
5938     }
5939
5940     // sort volume values to start with lowest volume value
5941     sortTreeInfo(&volumes_loops);
5942
5943     // set current volume value to configured volume value
5944     volume_loops_current =
5945       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5946
5947     // if that fails, set current volume to reliable default value
5948     if (volume_loops_current == NULL)
5949       volume_loops_current =
5950         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5951
5952     // if that also fails, set current volume to first available value
5953     if (volume_loops_current == NULL)
5954       volume_loops_current = volumes_loops;
5955   }
5956
5957   if (volumes_music == NULL)
5958   {
5959     boolean current_volume_music_found = FALSE;
5960     int i;
5961
5962     for (i = 0; volumes_list[i].value != -1; i++)
5963     {
5964       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5965       char identifier[32], name[32];
5966       int value = volumes_list[i].value;
5967       char *text = volumes_list[i].text;
5968
5969       ti->node_top = &volumes_music;
5970       ti->sort_priority = value;
5971
5972       sprintf(identifier, "%d", value);
5973       sprintf(name, "%s", text);
5974
5975       setString(&ti->identifier, identifier);
5976       setString(&ti->name, name);
5977       setString(&ti->name_sorting, name);
5978       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5979
5980       pushTreeInfo(&volumes_music, ti);
5981
5982       if (value == setup.volume_music)
5983         current_volume_music_found = TRUE;
5984     }
5985
5986     if (!current_volume_music_found)
5987     {
5988       // add entry for non-preset volume value
5989
5990       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5991       char identifier[32], name[32];
5992       int value = setup.volume_music;
5993
5994       ti->node_top = &volumes_music;
5995       ti->sort_priority = value;
5996
5997       sprintf(identifier, "%d", value);
5998       sprintf(name, "%d %% (Current)", value);
5999
6000       setString(&ti->identifier, identifier);
6001       setString(&ti->name, name);
6002       setString(&ti->name_sorting, name);
6003       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6004
6005       pushTreeInfo(&volumes_music, ti);
6006     }
6007
6008     // sort volume values to start with lowest volume value
6009     sortTreeInfo(&volumes_music);
6010
6011     // set current volume value to configured volume value
6012     volume_music_current =
6013       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6014
6015     // if that fails, set current volume to reliable default value
6016     if (volume_music_current == NULL)
6017       volume_music_current =
6018         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6019
6020     // if that also fails, set current volume to first available value
6021     if (volume_music_current == NULL)
6022       volume_music_current = volumes_music;
6023   }
6024
6025   setup.volume_simple = atoi(volume_simple_current->identifier);
6026   setup.volume_loops  = atoi(volume_loops_current->identifier);
6027   setup.volume_music  = atoi(volume_music_current->identifier);
6028
6029   // needed for displaying volume text instead of identifier
6030   volume_simple_text = volume_simple_current->name;
6031   volume_loops_text = volume_loops_current->name;
6032   volume_music_text = volume_music_current->name;
6033
6034   setup_mode = SETUP_MODE_SOUND;
6035
6036   DrawSetupScreen();
6037 }
6038
6039 static void execSetupChooseTouchControls(void)
6040 {
6041   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6042
6043   DrawSetupScreen();
6044 }
6045
6046 static void execSetupChooseMoveDistance(void)
6047 {
6048   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6049
6050   DrawSetupScreen();
6051 }
6052
6053 static void execSetupChooseDropDistance(void)
6054 {
6055   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6056
6057   DrawSetupScreen();
6058 }
6059
6060 static void execSetupChooseTransparency(void)
6061 {
6062   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6063
6064   DrawSetupScreen();
6065 }
6066
6067 static void execSetupChooseGridXSize_0(void)
6068 {
6069   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6070
6071   DrawSetupScreen();
6072 }
6073
6074 static void execSetupChooseGridYSize_0(void)
6075 {
6076   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6077
6078   DrawSetupScreen();
6079 }
6080
6081 static void execSetupChooseGridXSize_1(void)
6082 {
6083   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6084
6085   DrawSetupScreen();
6086 }
6087
6088 static void execSetupChooseGridYSize_1(void)
6089 {
6090   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6091
6092   DrawSetupScreen();
6093 }
6094
6095 static void execSetupConfigureVirtualButtons(void)
6096 {
6097   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6098
6099   ConfigureVirtualButtons();
6100
6101   setup_mode = SETUP_MODE_TOUCH;
6102
6103   DrawSetupScreen();
6104 }
6105
6106 static void execSetupTouch(void)
6107 {
6108   int i, j, k;
6109
6110   if (touch_controls == NULL)
6111   {
6112     for (i = 0; touch_controls_list[i].value != NULL; i++)
6113     {
6114       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6115       char identifier[32], name[32];
6116       char *value = touch_controls_list[i].value;
6117       char *text = touch_controls_list[i].text;
6118
6119       ti->node_top = &touch_controls;
6120       ti->sort_priority = i;
6121
6122       sprintf(identifier, "%s", value);
6123       sprintf(name, "%s", text);
6124
6125       setString(&ti->identifier, identifier);
6126       setString(&ti->name, name);
6127       setString(&ti->name_sorting, name);
6128       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6129
6130       pushTreeInfo(&touch_controls, ti);
6131     }
6132
6133     // sort touch control values to start with lowest touch control value
6134     sortTreeInfo(&touch_controls);
6135
6136     // set current touch control value to configured touch control value
6137     touch_control_current =
6138       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6139
6140     // if that fails, set current touch control to reliable default value
6141     if (touch_control_current == NULL)
6142       touch_control_current =
6143         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6144
6145     // if that also fails, set current touch control to first available value
6146     if (touch_control_current == NULL)
6147       touch_control_current = touch_controls;
6148   }
6149
6150   if (move_distances == NULL)
6151   {
6152     for (i = 0; distances_list[i].value != -1; i++)
6153     {
6154       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6155       char identifier[32], name[32];
6156       int value = distances_list[i].value;
6157       char *text = distances_list[i].text;
6158
6159       ti->node_top = &move_distances;
6160       ti->sort_priority = value;
6161
6162       sprintf(identifier, "%d", value);
6163       sprintf(name, "%s", text);
6164
6165       setString(&ti->identifier, identifier);
6166       setString(&ti->name, name);
6167       setString(&ti->name_sorting, name);
6168       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6169
6170       pushTreeInfo(&move_distances, ti);
6171     }
6172
6173     // sort distance values to start with lowest distance value
6174     sortTreeInfo(&move_distances);
6175
6176     // set current distance value to configured distance value
6177     move_distance_current =
6178       getTreeInfoFromIdentifier(move_distances,
6179                                 i_to_a(setup.touch.move_distance));
6180
6181     // if that fails, set current distance to reliable default value
6182     if (move_distance_current == NULL)
6183       move_distance_current =
6184         getTreeInfoFromIdentifier(move_distances,
6185                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6186
6187     // if that also fails, set current distance to first available value
6188     if (move_distance_current == NULL)
6189       move_distance_current = move_distances;
6190   }
6191
6192   if (drop_distances == NULL)
6193   {
6194     for (i = 0; distances_list[i].value != -1; i++)
6195     {
6196       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6197       char identifier[32], name[32];
6198       int value = distances_list[i].value;
6199       char *text = distances_list[i].text;
6200
6201       ti->node_top = &drop_distances;
6202       ti->sort_priority = value;
6203
6204       sprintf(identifier, "%d", value);
6205       sprintf(name, "%s", text);
6206
6207       setString(&ti->identifier, identifier);
6208       setString(&ti->name, name);
6209       setString(&ti->name_sorting, name);
6210       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6211
6212       pushTreeInfo(&drop_distances, ti);
6213     }
6214
6215     // sort distance values to start with lowest distance value
6216     sortTreeInfo(&drop_distances);
6217
6218     // set current distance value to configured distance value
6219     drop_distance_current =
6220       getTreeInfoFromIdentifier(drop_distances,
6221                                 i_to_a(setup.touch.drop_distance));
6222
6223     // if that fails, set current distance to reliable default value
6224     if (drop_distance_current == NULL)
6225       drop_distance_current =
6226         getTreeInfoFromIdentifier(drop_distances,
6227                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6228
6229     // if that also fails, set current distance to first available value
6230     if (drop_distance_current == NULL)
6231       drop_distance_current = drop_distances;
6232   }
6233
6234   if (transparencies == NULL)
6235   {
6236     for (i = 0; transparencies_list[i].value != -1; i++)
6237     {
6238       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6239       char identifier[32], name[32];
6240       int value = transparencies_list[i].value;
6241       char *text = transparencies_list[i].text;
6242
6243       ti->node_top = &transparencies;
6244       ti->sort_priority = value;
6245
6246       sprintf(identifier, "%d", value);
6247       sprintf(name, "%s", text);
6248
6249       setString(&ti->identifier, identifier);
6250       setString(&ti->name, name);
6251       setString(&ti->name_sorting, name);
6252       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6253
6254       pushTreeInfo(&transparencies, ti);
6255     }
6256
6257     // sort transparency values to start with lowest transparency value
6258     sortTreeInfo(&transparencies);
6259
6260     // set current transparency value to configured transparency value
6261     transparency_current =
6262       getTreeInfoFromIdentifier(transparencies,
6263                                 i_to_a(setup.touch.transparency));
6264
6265     // if that fails, set current transparency to reliable default value
6266     if (transparency_current == NULL)
6267       transparency_current =
6268         getTreeInfoFromIdentifier(transparencies,
6269                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6270
6271     // if that also fails, set current transparency to first available value
6272     if (transparency_current == NULL)
6273       transparency_current = transparencies;
6274   }
6275
6276   for (i = 0; i < 2; i++)
6277   {
6278     for (j = 0; j < 2; j++)
6279     {
6280       if (grid_sizes[i][j] == NULL)
6281       {
6282         for (k = 0; grid_sizes_list[k].value != -1; k++)
6283         {
6284           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6285           char identifier[32], name[32];
6286           int value = grid_sizes_list[k].value;
6287           char *text = grid_sizes_list[k].text;
6288
6289           ti->node_top = &grid_sizes[i][j];
6290           ti->sort_priority = value;
6291
6292           sprintf(identifier, "%d", value);
6293           sprintf(name, "%s", text);
6294
6295           setString(&ti->identifier, identifier);
6296           setString(&ti->name, name);
6297           setString(&ti->name_sorting, name);
6298           setString(&ti->infotext,
6299                     (i == 0 ?
6300                      (j == 0 ?
6301                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6302                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6303                      (j == 0 ?
6304                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6305                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6306
6307           pushTreeInfo(&grid_sizes[i][j], ti);
6308         }
6309
6310         // sort grid size values to start with lowest grid size value
6311         sortTreeInfo(&grid_sizes[i][j]);
6312
6313         // set current grid size value to configured grid size value
6314         grid_size_current[i][j] =
6315           getTreeInfoFromIdentifier(grid_sizes[i][j],
6316                                     i_to_a(j == 0 ?
6317                                            setup.touch.grid_xsize[i] :
6318                                            setup.touch.grid_ysize[i]));
6319
6320         // if that fails, set current grid size to reliable default value
6321         if (grid_size_current[i][j] == NULL)
6322           grid_size_current[i][j] =
6323             getTreeInfoFromIdentifier(grid_sizes[i][j],
6324                                       i_to_a(j == 0 ?
6325                                              DEFAULT_GRID_XSIZE(i) :
6326                                              DEFAULT_GRID_YSIZE(i)));
6327
6328         // if that also fails, set current grid size to first available value
6329         if (grid_size_current[i][j] == NULL)
6330           grid_size_current[i][j] = grid_sizes[i][j];
6331       }
6332     }
6333   }
6334
6335   setup.touch.control_type = touch_control_current->identifier;
6336   setup.touch.move_distance = atoi(move_distance_current->identifier);
6337   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6338   setup.touch.transparency = atoi(transparency_current->identifier);
6339
6340   for (i = 0; i < 2; i++)
6341   {
6342     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6343     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6344
6345     if (i == GRID_ACTIVE_NR())
6346     {
6347       overlay.grid_xsize = setup.touch.grid_xsize[i];
6348       overlay.grid_ysize = setup.touch.grid_ysize[i];
6349     }
6350   }
6351
6352   // needed for displaying value text instead of identifier
6353   touch_controls_text = touch_control_current->name;
6354   move_distance_text = move_distance_current->name;
6355   drop_distance_text = drop_distance_current->name;
6356   transparency_text = transparency_current->name;
6357
6358   for (i = 0; i < 2; i++)
6359     for (j = 0; j < 2; j++)
6360       grid_size_text[i][j] = grid_size_current[i][j]->name;
6361
6362   setup_mode = SETUP_MODE_TOUCH;
6363
6364   DrawSetupScreen();
6365 }
6366
6367 static void execSetupArtwork(void)
6368 {
6369   static ArtworkDirTree *gfx_last_valid = NULL;
6370   static ArtworkDirTree *snd_last_valid = NULL;
6371   static ArtworkDirTree *mus_last_valid = NULL;
6372
6373   // current artwork directory may be invalid (level group, parent link)
6374   if (!validLevelSeries(artwork.gfx_current))
6375     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6376   if (!validLevelSeries(artwork.snd_current))
6377     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6378   if (!validLevelSeries(artwork.mus_current))
6379     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6380
6381   // store valid artwork directory information
6382   gfx_last_valid = artwork.gfx_current;
6383   snd_last_valid = artwork.snd_current;
6384   mus_last_valid = artwork.mus_current;
6385
6386 #if 0
6387   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6388         artwork.gfx_current->subdir,
6389         artwork.gfx_current->fullpath,
6390         artwork.gfx_current->basepath);
6391 #endif
6392
6393   setup.graphics_set = artwork.gfx_current->identifier;
6394   setup.sounds_set = artwork.snd_current->identifier;
6395   setup.music_set = artwork.mus_current->identifier;
6396
6397   // needed if last screen (setup choice) changed graphics, sounds or music
6398   ReloadCustomArtwork(0);
6399
6400   // needed for displaying artwork name instead of artwork identifier
6401   graphics_set_name = artwork.gfx_current->name;
6402   sounds_set_name = artwork.snd_current->name;
6403   music_set_name = artwork.mus_current->name;
6404
6405   setup_mode = SETUP_MODE_ARTWORK;
6406
6407   DrawSetupScreen();
6408 }
6409
6410 static void execSetupChooseGraphics(void)
6411 {
6412   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6413
6414   DrawSetupScreen();
6415 }
6416
6417 static void execSetupChooseSounds(void)
6418 {
6419   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6420
6421   DrawSetupScreen();
6422 }
6423
6424 static void execSetupChooseMusic(void)
6425 {
6426   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6427
6428   DrawSetupScreen();
6429 }
6430
6431 static void execSetupInput(void)
6432 {
6433   setup_mode = SETUP_MODE_INPUT;
6434
6435   DrawSetupScreen();
6436 }
6437
6438 static void execSetupShortcuts(void)
6439 {
6440   setup_mode = SETUP_MODE_SHORTCUTS;
6441
6442   DrawSetupScreen();
6443 }
6444
6445 static void execSetupShortcuts1(void)
6446 {
6447   setup_mode = SETUP_MODE_SHORTCUTS_1;
6448
6449   DrawSetupScreen();
6450 }
6451
6452 static void execSetupShortcuts2(void)
6453 {
6454   setup_mode = SETUP_MODE_SHORTCUTS_2;
6455
6456   DrawSetupScreen();
6457 }
6458
6459 static void execSetupShortcuts3(void)
6460 {
6461   setup_mode = SETUP_MODE_SHORTCUTS_3;
6462
6463   DrawSetupScreen();
6464 }
6465
6466 static void execSetupShortcuts4(void)
6467 {
6468   setup_mode = SETUP_MODE_SHORTCUTS_4;
6469
6470   DrawSetupScreen();
6471 }
6472
6473 static void execSetupShortcuts5(void)
6474 {
6475   setup_mode = SETUP_MODE_SHORTCUTS_5;
6476
6477   DrawSetupScreen();
6478 }
6479
6480 static void execExitSetup(void)
6481 {
6482   SetGameStatus(GAME_MODE_MAIN);
6483
6484   DrawMainMenu();
6485 }
6486
6487 static void execSaveAndExitSetup(void)
6488 {
6489   SaveSetup();
6490   execExitSetup();
6491 }
6492
6493 static void execGadgetNetworkServer(void)
6494 {
6495   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6496   struct GadgetInfo *gi = screen_gadget[gadget_id];
6497
6498   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6499     network_server_hostname[0] = '\0';
6500
6501   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6502
6503   MapGadget(gi);
6504
6505   ClickOnGadget(gi, MB_LEFTBUTTON);
6506 }
6507
6508 static void ToggleNetworkModeIfNeeded(void)
6509 {
6510   int font_title = FONT_TITLE_1;
6511   int font_foot = FC_BLUE;
6512   int ystart  = mSY - SY + 16;
6513   int ybottom = mSY - SY + SYSIZE - 20;
6514   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6515
6516   if (setup.network_mode == network.enabled)
6517     return;
6518
6519   network.enabled = setup.network_mode;
6520
6521   FadeOut(REDRAW_ALL);
6522
6523   ClearField();
6524
6525   DrawTextSCentered(ystart, font_title, text);
6526
6527   FadeIn(REDRAW_ALL);
6528
6529   if (network.enabled)
6530     InitNetworkServer();
6531   else
6532     DisconnectFromNetworkServer();
6533
6534   DrawTextSCentered(ybottom, font_foot,
6535                     "Press any key or button for setup menu");
6536
6537   WaitForEventToContinue();
6538
6539   DrawSetupScreen();
6540 }
6541
6542 static void ToggleGameSpeedsListIfNeeded(void)
6543 {
6544   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6545
6546   if (setup.game_speed_extended == using_game_speeds_extended)
6547     return;
6548
6549   // try to match similar values when changing game speeds list
6550   if (setup.game_speed_extended)
6551     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6552                               setup.game_frame_delay == 30 ? 29 :
6553                               setup.game_frame_delay);
6554   else
6555     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6556                               setup.game_frame_delay == 16 ? 15 :
6557                               setup.game_frame_delay >= 29 ? 30 :
6558                               setup.game_frame_delay <= 10 ? 10 :
6559                               setup.game_frame_delay);
6560
6561   execSetupGame_setGameSpeeds(TRUE);
6562
6563   DrawSetupScreen();
6564 }
6565
6566 static void ModifyGameSpeedIfNeeded(void)
6567 {
6568   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6569       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6570     return;
6571
6572   char message[100];
6573   char *game_speed_text = "Fast";
6574   int game_speed_value = 15;
6575
6576   if (setup.game_speed_extended)
6577   {
6578     game_speed_text = "60 fps";
6579     game_speed_value = 16;
6580   }
6581
6582   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6583
6584   // set game speed to existing list value that is fast enough for vsync
6585   setup.game_frame_delay = game_speed_value;
6586
6587   execSetupGame_setGameSpeeds(TRUE);
6588
6589   Request(message, REQ_CONFIRM);
6590 }
6591
6592 static void DisableVsyncIfNeeded(void)
6593 {
6594   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6595       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6596        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6597     return;
6598
6599   // disable vsync for the selected game speed to work
6600   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6601
6602   execSetupGraphics_setVsyncModes(TRUE);
6603
6604   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6605 }
6606
6607 static struct
6608 {
6609   void *value;
6610   void *related_value;
6611 } hide_related_entry_list[] =
6612 {
6613   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6614   { &setup.game_frame_delay,            &game_speed_text                },
6615
6616   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6617   { &setup.scroll_delay_value,          &scroll_delay_text              },
6618
6619   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6620   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6621
6622   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6623   { &setup.window_scaling_percent,      &window_size_text               },
6624
6625   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6626   { &setup.window_scaling_quality,      &scaling_type_text              },
6627
6628   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6629   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6630
6631   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6632   { &setup.vsync_mode,                  &vsync_mode_text                },
6633
6634   { &setup.graphics_set,                execSetupChooseGraphics         },
6635   { &setup.graphics_set,                &graphics_set_name              },
6636
6637   { &setup.sounds_set,                  execSetupChooseSounds           },
6638   { &setup.sounds_set,                  &sounds_set_name                },
6639
6640   { &setup.music_set,                   execSetupChooseMusic            },
6641   { &setup.music_set,                   &music_set_name                 },
6642
6643   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6644   { &setup.volume_simple,               &volume_simple_text             },
6645
6646   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6647   { &setup.volume_loops,                &volume_loops_text              },
6648
6649   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6650   { &setup.volume_music,                &volume_music_text              },
6651
6652   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6653   { &setup.touch.control_type,          &touch_controls_text            },
6654
6655   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6656   { &setup.touch.move_distance,         &move_distance_text             },
6657
6658   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6659   { &setup.touch.drop_distance,         &drop_distance_text             },
6660
6661   { &setup.touch.transparency,          execSetupChooseTransparency     },
6662   { &setup.touch.transparency,          &transparency_text              },
6663
6664   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6665   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6666
6667   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6668   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6669
6670   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6671   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6672
6673   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6674   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6675
6676   { &setup.internal.menu_game,          execSetupGame                   },
6677   { &setup.internal.menu_engines,       execSetupEngines                },
6678   { &setup.internal.menu_editor,        execSetupEditor                 },
6679   { &setup.internal.menu_graphics,      execSetupGraphics               },
6680   { &setup.internal.menu_sound,         execSetupSound                  },
6681   { &setup.internal.menu_artwork,       execSetupArtwork                },
6682   { &setup.internal.menu_input,         execSetupInput                  },
6683   { &setup.internal.menu_touch,         execSetupTouch                  },
6684   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6685   { &setup.internal.menu_exit,          execExitSetup                   },
6686   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6687
6688   { NULL,                               NULL                            }
6689 };
6690
6691 void setHideRelatedSetupEntries(void)
6692 {
6693   int i;
6694
6695   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6696     if (hideSetupEntry(hide_related_entry_list[i].value))
6697       setHideSetupEntry(hide_related_entry_list[i].related_value);
6698 }
6699
6700 static struct TokenInfo setup_info_main[] =
6701 {
6702   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6703   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6704   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6705   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6706   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6707   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6708   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6709   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6710   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6711   { TYPE_EMPTY,         NULL,                   ""                      },
6712   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6713   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6714
6715   { 0,                  NULL,                   NULL                    }
6716 };
6717
6718 static struct TokenInfo setup_info_game[] =
6719 {
6720   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6721   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6722   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6723   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6724   { TYPE_STRING,        &network_server_text,   ""                      },
6725   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6726   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6727   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6728   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6729   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6730   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6731   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6732   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6733   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6734   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6735   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
6736   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
6737   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6738   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6739   { TYPE_STRING,        &game_speed_text,       ""                      },
6740   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6741 #if 1
6742   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6743   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6744 #endif
6745   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6746   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6747   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6748   { TYPE_EMPTY,         NULL,                   ""                      },
6749   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6750
6751   { 0,                  NULL,                   NULL                    }
6752 };
6753
6754 static struct TokenInfo setup_info_engines[] =
6755 {
6756   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6757   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6758   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6759   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6760   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6761   { TYPE_EMPTY,         NULL,                   ""                      },
6762   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6763   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6764   { TYPE_EMPTY,         NULL,                   ""                      },
6765   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6766
6767   { 0,                  NULL,                   NULL                    }
6768 };
6769
6770 static struct TokenInfo setup_info_editor[] =
6771 {
6772 #if 0
6773   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6774   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6775   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6776   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6777   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6778   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6779   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6780   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6781   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6782   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6783 #endif
6784   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6785   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6786 #if 0
6787   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6788 #endif
6789   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6790   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6791   { TYPE_EMPTY,         NULL,                   ""                      },
6792 #if 0
6793   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6794   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6795   { TYPE_EMPTY,         NULL,                   ""                      },
6796 #endif
6797   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6798   { TYPE_EMPTY,         NULL,                   ""                      },
6799   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
6800   { TYPE_EMPTY,         NULL,                   ""                      },
6801   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6802
6803   { 0,                  NULL,                   NULL                    }
6804 };
6805
6806 static struct TokenInfo setup_info_graphics[] =
6807 {
6808 #if !defined(PLATFORM_ANDROID)
6809   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6810   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6811   { TYPE_STRING,        &window_size_text,      ""                      },
6812   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6813   { TYPE_STRING,        &scaling_type_text,     ""                      },
6814   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6815   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6816 #endif
6817 #if 0
6818   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6819   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6820 #endif
6821   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6822   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6823   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6824   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6825   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6826   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6827   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6828   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6829   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6830   { TYPE_EMPTY,         NULL,                   ""                      },
6831   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6832
6833   { 0,                  NULL,                   NULL                    }
6834 };
6835
6836 static struct TokenInfo setup_info_sound[] =
6837 {
6838   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6839   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6840   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6841   { TYPE_EMPTY,         NULL,                   ""                      },
6842   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6843   { TYPE_STRING,        &volume_simple_text,    ""                      },
6844   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6845   { TYPE_STRING,        &volume_loops_text,     ""                      },
6846   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6847   { TYPE_STRING,        &volume_music_text,     ""                      },
6848   { TYPE_EMPTY,         NULL,                   ""                      },
6849   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6850
6851   { 0,                  NULL,                   NULL                    }
6852 };
6853
6854 static struct TokenInfo setup_info_artwork[] =
6855 {
6856   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6857   { TYPE_STRING,        &graphics_set_name,     ""                      },
6858   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6859   { TYPE_STRING,        &sounds_set_name,       ""                      },
6860   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6861   { TYPE_STRING,        &music_set_name,        ""                      },
6862   { TYPE_EMPTY,         NULL,                   ""                      },
6863   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6864   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6865   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6866   { TYPE_EMPTY,         NULL,                   ""                      },
6867   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6868
6869   { 0,                  NULL,                   NULL                    }
6870 };
6871
6872 static struct TokenInfo setup_info_input[] =
6873 {
6874   { TYPE_SWITCH,        NULL,                   "Player:"               },
6875   { TYPE_SWITCH,        NULL,                   "Device:"               },
6876   { TYPE_SWITCH,        NULL,                   ""                      },
6877   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6878   { TYPE_EMPTY,         NULL,                   ""                      },
6879   { TYPE_EMPTY,         NULL,                   ""                      },
6880   { TYPE_EMPTY,         NULL,                   ""                      },
6881   { TYPE_EMPTY,         NULL,                   ""                      },
6882   { TYPE_EMPTY,         NULL,                   ""                      },
6883   { TYPE_EMPTY,         NULL,                   ""                      },
6884   { TYPE_EMPTY,         NULL,                   ""                      },
6885   { TYPE_EMPTY,         NULL,                   ""                      },
6886   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6887   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6888
6889   { 0,                  NULL,                   NULL                    }
6890 };
6891
6892 static struct TokenInfo setup_info_touch[] =
6893 {
6894   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6895   { TYPE_STRING,        &touch_controls_text,   ""                      },
6896   { TYPE_EMPTY,         NULL,                   ""                      },
6897   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6898
6899   { 0,                  NULL,                   NULL                    }
6900 };
6901
6902 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6903 {
6904   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6905   { TYPE_STRING,        &touch_controls_text,   ""                      },
6906   { TYPE_EMPTY,         NULL,                   ""                      },
6907   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6908   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6909   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6910   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6911   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6912   { TYPE_STRING,        &transparency_text,     ""                      },
6913   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6914   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6915   { TYPE_EMPTY,         NULL,                   ""                      },
6916   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6917   { TYPE_EMPTY,         NULL,                   ""                      },
6918   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6919
6920   { 0,                  NULL,                   NULL                    }
6921 };
6922
6923 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6924 {
6925   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6926   { TYPE_STRING,        &touch_controls_text,   ""                      },
6927   { TYPE_EMPTY,         NULL,                   ""                      },
6928   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6929   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6930   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6931   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6932   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6933   { TYPE_STRING,        &transparency_text,     ""                      },
6934   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6935   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6936   { TYPE_EMPTY,         NULL,                   ""                      },
6937   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6938   { TYPE_EMPTY,         NULL,                   ""                      },
6939   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6940
6941   { 0,                  NULL,                   NULL                    }
6942 };
6943
6944 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6945 {
6946   setup_info_touch_virtual_buttons_0,
6947   setup_info_touch_virtual_buttons_1
6948 };
6949
6950 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6951 {
6952   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6953   { TYPE_STRING,        &touch_controls_text,   ""                      },
6954   { TYPE_EMPTY,         NULL,                   ""                      },
6955   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6956   { TYPE_STRING,        &move_distance_text,    ""                      },
6957   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6958   { TYPE_STRING,        &drop_distance_text,    ""                      },
6959   { TYPE_EMPTY,         NULL,                   ""                      },
6960   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6961
6962   { 0,                  NULL,                   NULL                    }
6963 };
6964
6965 static struct TokenInfo setup_info_shortcuts[] =
6966 {
6967   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6968   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6969   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6970   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6971   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6972   { TYPE_EMPTY,         NULL,                   ""                      },
6973   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6974
6975   { 0,                  NULL,                   NULL                    }
6976 };
6977
6978 static struct TokenInfo setup_info_shortcuts_1[] =
6979 {
6980   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6981   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6982   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6983   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6984   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6985   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6986   { TYPE_EMPTY,         NULL,                   ""                      },
6987   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6988   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6989   { TYPE_EMPTY,         NULL,                   ""                      },
6990   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6991
6992   { 0,                  NULL,                   NULL                    }
6993 };
6994
6995 static struct TokenInfo setup_info_shortcuts_2[] =
6996 {
6997   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6998   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6999   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7000   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7001   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7002   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7003   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7004   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7005   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7006   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7007   { TYPE_EMPTY,         NULL,                   ""                      },
7008   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7009
7010   { 0,                  NULL,                   NULL                    }
7011 };
7012
7013 static struct TokenInfo setup_info_shortcuts_3[] =
7014 {
7015   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7016   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7017   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7018   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7019   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7020   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7021   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7022   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7023   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7024   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7025   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7026   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7027   { TYPE_EMPTY,         NULL,                   ""                      },
7028   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7029
7030   { 0,                  NULL,                   NULL                    }
7031 };
7032
7033 static struct TokenInfo setup_info_shortcuts_4[] =
7034 {
7035   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7036   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7037   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7038   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7039   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7040   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7041   { TYPE_EMPTY,         NULL,                   ""                      },
7042   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7043
7044   { 0,                  NULL,                   NULL                    }
7045 };
7046
7047 static struct TokenInfo setup_info_shortcuts_5[] =
7048 {
7049   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7050   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7051   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7052   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7053   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7054   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7055   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7056   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7057   { TYPE_EMPTY,         NULL,                   ""                      },
7058   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7059
7060   { 0,                  NULL,                   NULL                    }
7061 };
7062
7063 static Key getSetupKey(void)
7064 {
7065   Key key = KSYM_UNDEFINED;
7066   boolean got_key_event = FALSE;
7067
7068   while (!got_key_event)
7069   {
7070     Event event;
7071
7072     if (NextValidEvent(&event))
7073     {
7074       switch (event.type)
7075       {
7076         case EVENT_KEYPRESS:
7077           {
7078             key = GetEventKey((KeyEvent *)&event, TRUE);
7079
7080             // press 'Escape' or 'Enter' to keep the existing key binding
7081             if (key == KSYM_Escape || key == KSYM_Return)
7082               key = KSYM_UNDEFINED;     // keep old value
7083
7084             got_key_event = TRUE;
7085           }
7086           break;
7087
7088         case EVENT_KEYRELEASE:
7089           key_joystick_mapping = 0;
7090           break;
7091
7092         default:
7093           HandleOtherEvents(&event);
7094           break;
7095       }
7096     }
7097
7098     BackToFront();
7099   }
7100
7101   return key;
7102 }
7103
7104 static int getSetupValueFont(int type, void *value)
7105 {
7106   if (type & TYPE_GHOSTED)
7107     return FONT_OPTION_OFF;
7108   else if (type & TYPE_KEY)
7109     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7110   else if (type & TYPE_STRING)
7111     return FONT_VALUE_2;
7112   else if (type & TYPE_ECS_AGA)
7113     return FONT_VALUE_1;
7114   else if (type & TYPE_BOOLEAN_STYLE)
7115     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7116   else if (type & TYPE_YES_NO_AUTO)
7117     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7118             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7119   else if (type & TYPE_PLAYER)
7120     return FONT_VALUE_1;
7121   else
7122     return FONT_VALUE_1;
7123 }
7124
7125 static int getSetupValueFontNarrow(int type, int font_nr)
7126 {
7127   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7128           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7129           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7130           font_nr);
7131 }
7132
7133 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7134 {
7135   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7136   struct TokenInfo *si = &setup_info[si_pos];
7137   boolean font_draw_xoffset_modified = FALSE;
7138   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7139   int font_draw_xoffset_old = -1;
7140   int xoffset = (scrollbar_needed ? -1 : 0);
7141   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7142   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7143   int xpos = menu_screen_value_xpos;
7144   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7145   int startx = mSX + xpos * 32;
7146   int starty = mSY + ypos * 32;
7147   int type = si->type;
7148   void *value = si->value;
7149   char *value_string = getSetupValue(type, value);
7150   int font_nr_default = getSetupValueFont(type, value);
7151   int font_width_default = getFontWidth(font_nr_default);
7152   int font_nr = font_nr_default;
7153   int i;
7154
7155   if (value_string == NULL)
7156     return;
7157
7158   if (type & TYPE_KEY)
7159   {
7160     xpos = MENU_SCREEN_START_XPOS;
7161
7162     if (type & TYPE_QUERY)
7163       value_string = "<press key>";
7164   }
7165   else if (type & TYPE_STRING)
7166   {
7167     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7168
7169     xpos = MENU_SCREEN_START_XPOS;
7170
7171     if (strlen(value_string) > max_value_len)
7172       value_string[max_value_len] = '\0';
7173   }
7174   else if (type & TYPE_YES_NO_AUTO)
7175   {
7176     xpos = menu_screen_value_xpos - 1;
7177   }
7178   else if (type & TYPE_PLAYER)
7179   {
7180     int displayed_player_nr = *(int *)value + 1;
7181
7182     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7183   }
7184
7185   startx = mSX + xpos * 32;
7186   starty = mSY + ypos * 32;
7187
7188   // special check if right-side setup values moved left due to scrollbar
7189   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7190   {
7191     int max_menu_text_length = 26;      // maximum text length for classic menu
7192     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7193     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7194     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7195     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7196     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7197
7198     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7199     {
7200       // when using narrow font, left-shifting text "auto" not needed
7201       if (type & TYPE_YES_NO_AUTO)
7202         xpos += 1;
7203
7204       xpos += 1;
7205       startx = mSX + xpos * 32;
7206
7207       font_nr = getSetupValueFontNarrow(type, font_nr);
7208     }
7209   }
7210
7211   // downward compatibility correction for Juergen Bonhagen's menu settings
7212   if (setup_mode != SETUP_MODE_INPUT)
7213   {
7214     int max_menu_text_length_big = (menu_screen_value_xpos -
7215                                     MENU_SCREEN_START_XPOS);
7216     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7217     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7218     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7219     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7220     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7221     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7222     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7223     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7224     boolean correct_font_draw_xoffset = FALSE;
7225
7226     if (xpos == MENU_SCREEN_START_XPOS &&
7227         startx + font1_xoffset < text_startx + text_font_xoffset)
7228       correct_font_draw_xoffset = TRUE;
7229
7230     if (xpos == menu_screen_value_xpos &&
7231         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7232       correct_font_draw_xoffset = TRUE;
7233
7234     // check if setup value would overlap with setup text when printed
7235     // (this can happen for extreme/wrong values for font draw offset)
7236     if (correct_font_draw_xoffset)
7237     {
7238       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7239       font_draw_xoffset_modified = TRUE;
7240
7241       if (type & TYPE_KEY)
7242         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7243       else if (!(type & TYPE_STRING))
7244         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7245           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7246     }
7247   }
7248
7249   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7250     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7251
7252   DrawText(startx, starty, value_string, font_nr);
7253
7254   if (type & TYPE_PLAYER)
7255   {
7256     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7257     int player_nr = *(int *)value;
7258     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7259     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7260     int startx2 = startx + xoff;
7261     int starty2 = starty + yoff;
7262
7263     if (DrawingOnBackground(startx2, starty2))
7264       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7265
7266     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7267                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7268   }
7269
7270   if (font_draw_xoffset_modified)
7271     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7272 }
7273
7274 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7275 {
7276   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7277   struct TokenInfo *si = &setup_info[si_pos];
7278
7279   if (si->type & TYPE_BOOLEAN_STYLE)
7280   {
7281     *(boolean *)si->value ^= TRUE;
7282   }
7283   else if (si->type & TYPE_YES_NO_AUTO)
7284   {
7285     *(int *)si->value =
7286       (dx == -1 ?
7287        (*(int *)si->value == AUTO ? TRUE :
7288         *(int *)si->value == TRUE ? FALSE : AUTO) :
7289        (*(int *)si->value == TRUE ? AUTO :
7290         *(int *)si->value == AUTO ? FALSE : TRUE));
7291   }
7292   else if (si->type & TYPE_KEY)
7293   {
7294     Key key;
7295
7296     si->type |= TYPE_QUERY;
7297     drawSetupValue(screen_pos, setup_info_pos_raw);
7298     si->type &= ~TYPE_QUERY;
7299
7300     key = getSetupKey();
7301     if (key != KSYM_UNDEFINED)
7302       *(Key *)si->value = key;
7303   }
7304   else if (si->type & TYPE_PLAYER)
7305   {
7306     int player_nr = *(int *)si->value;
7307
7308     if (dx)
7309       player_nr += dx;
7310     else
7311       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7312
7313     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7314   }
7315
7316   drawSetupValue(screen_pos, setup_info_pos_raw);
7317
7318   // fullscreen state may have changed at this point
7319   if (si->value == &setup.fullscreen)
7320     ToggleFullscreenIfNeeded();
7321
7322   // network mode may have changed at this point
7323   if (si->value == &setup.network_mode)
7324     ToggleNetworkModeIfNeeded();
7325
7326   // game speed list may have changed at this point
7327   if (si->value == &setup.game_speed_extended)
7328     ToggleGameSpeedsListIfNeeded();
7329 }
7330
7331 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7332 {
7333   static struct TokenInfo *setup_info_final = NULL;
7334   int list_size = 0;
7335   int list_pos = 0;
7336   int i;
7337
7338   // determine maximum list size of target list
7339   while (setup_info_orig[list_size++].type != 0);
7340
7341   // free, allocate and clear memory for target list
7342   checked_free(setup_info_final);
7343   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7344
7345   // copy setup info list without setup entries marked as hidden
7346   for (i = 0; setup_info_orig[i].type != 0; i++)
7347   {
7348     // skip setup entries configured to be hidden
7349     if (hideSetupEntry(setup_info_orig[i].value))
7350       continue;
7351
7352     // skip skippable setup entries if screen is lower than usual
7353     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7354         setup_info_orig[i].type == TYPE_SKIPPABLE)
7355       continue;
7356
7357     setup_info_final[list_pos++] = setup_info_orig[i];
7358   }
7359
7360   return setup_info_final;
7361 }
7362
7363 static void DrawSetupScreen_Generic(void)
7364 {
7365   int fade_mask = REDRAW_FIELD;
7366   boolean redraw_all = FALSE;
7367   char *title_string = NULL;
7368   int i;
7369
7370   if (CheckFadeAll())
7371     fade_mask = REDRAW_ALL;
7372
7373   UnmapAllGadgets();
7374   FadeMenuSoundsAndMusic();
7375
7376   FreeScreenGadgets();
7377   CreateScreenGadgets();
7378
7379   if (redraw_mask & REDRAW_ALL)
7380     redraw_all = TRUE;
7381
7382   FadeOut(fade_mask);
7383
7384   // needed if different viewport properties defined for setup screen
7385   ChangeViewportPropertiesIfNeeded();
7386
7387   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7388
7389   ClearField();
7390
7391   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7392
7393   if (setup_mode == SETUP_MODE_MAIN)
7394   {
7395     setup_info = setup_info_main;
7396     title_string = STR_SETUP_MAIN;
7397   }
7398   else if (setup_mode == SETUP_MODE_GAME)
7399   {
7400     setup_info = setup_info_game;
7401     title_string = STR_SETUP_GAME;
7402   }
7403   else if (setup_mode == SETUP_MODE_ENGINES)
7404   {
7405     setup_info = setup_info_engines;
7406     title_string = STR_SETUP_ENGINES;
7407   }
7408   else if (setup_mode == SETUP_MODE_EDITOR)
7409   {
7410     setup_info = setup_info_editor;
7411     title_string = STR_SETUP_EDITOR;
7412   }
7413   else if (setup_mode == SETUP_MODE_GRAPHICS)
7414   {
7415     setup_info = setup_info_graphics;
7416     title_string = STR_SETUP_GRAPHICS;
7417   }
7418   else if (setup_mode == SETUP_MODE_SOUND)
7419   {
7420     setup_info = setup_info_sound;
7421     title_string = STR_SETUP_SOUND;
7422   }
7423   else if (setup_mode == SETUP_MODE_ARTWORK)
7424   {
7425     setup_info = setup_info_artwork;
7426     title_string = STR_SETUP_ARTWORK;
7427   }
7428   else if (setup_mode == SETUP_MODE_TOUCH)
7429   {
7430     setup_info = setup_info_touch;
7431     title_string = STR_SETUP_TOUCH;
7432
7433     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7434       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7435     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7436       setup_info = setup_info_touch_wipe_gestures;
7437   }
7438   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7439   {
7440     setup_info = setup_info_shortcuts;
7441     title_string = STR_SETUP_SHORTCUTS;
7442   }
7443   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7444   {
7445     setup_info = setup_info_shortcuts_1;
7446     title_string = STR_SETUP_SHORTCUTS;
7447   }
7448   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7449   {
7450     setup_info = setup_info_shortcuts_2;
7451     title_string = STR_SETUP_SHORTCUTS;
7452   }
7453   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7454   {
7455     setup_info = setup_info_shortcuts_3;
7456     title_string = STR_SETUP_SHORTCUTS;
7457   }
7458   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7459   {
7460     setup_info = setup_info_shortcuts_4;
7461     title_string = STR_SETUP_SHORTCUTS;
7462   }
7463   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7464   {
7465     setup_info = setup_info_shortcuts_5;
7466     title_string = STR_SETUP_SHORTCUTS;
7467   }
7468
7469   // use modified setup info without setup entries marked as hidden
7470   setup_info = getSetupInfoFinal(setup_info);
7471
7472   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7473
7474   // determine maximal number of setup entries that can be displayed on screen
7475   num_setup_info = 0;
7476   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7477     num_setup_info++;
7478
7479   // determine maximal number of setup entries available for this setup screen
7480   max_setup_info = 0;
7481   for (i = 0; setup_info[i].type != 0; i++)
7482     max_setup_info++;
7483
7484   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7485
7486   MapScreenGadgets(max_setup_info);
7487
7488   if (redraw_all)
7489     redraw_mask = fade_mask = REDRAW_ALL;
7490
7491   DrawMaskedBorder(fade_mask);
7492
7493   FadeIn(fade_mask);
7494 }
7495
7496 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7497 {
7498   menu_info = setup_info;
7499
7500   HandleMenuScreen(mx, my, dx, dy, button,
7501                    setup_mode, num_setup_info, max_setup_info);
7502 }
7503
7504 static void DrawSetupScreen_Input(void)
7505 {
7506   int i;
7507
7508   FadeOut(REDRAW_FIELD);
7509
7510   ClearField();
7511
7512   setup_info = getSetupInfoFinal(setup_info_input);
7513
7514   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7515
7516   for (i = 0; setup_info[i].type != 0; i++)
7517   {
7518     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7519       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7520     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7521       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7522     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7523       initCursor(i, IMG_MENU_BUTTON);
7524
7525     DrawCursorAndText_Setup(i, -1, FALSE);
7526   }
7527
7528   // create gadgets for setup input menu screen
7529   FreeScreenGadgets();
7530   CreateScreenGadgets();
7531
7532   // map gadgets for setup input menu screen
7533   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7534
7535   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7536
7537   FadeIn(REDRAW_FIELD);
7538 }
7539
7540 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7541 {
7542   if (device_name == NULL)
7543     return;
7544
7545   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7546     device_nr = 0;
7547
7548   if (strlen(device_name) > 1)
7549   {
7550     char c1 = device_name[strlen(device_name) - 1];
7551     char c2 = device_name[strlen(device_name) - 2];
7552
7553     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7554       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7555   }
7556   else
7557     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7558             strlen(device_name));
7559 }
7560
7561 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7562 {
7563   int i;
7564   static struct SetupKeyboardInfo custom_key;
7565   static struct
7566   {
7567     Key *key;
7568     char *text;
7569   } custom[] =
7570   {
7571     { &custom_key.left,  "Axis/Pad Left"  },
7572     { &custom_key.right, "Axis/Pad Right" },
7573     { &custom_key.up,    "Axis/Pad Up"    },
7574     { &custom_key.down,  "Axis/Pad Down"  },
7575     { &custom_key.snap,  "Button 1/A/X"   },
7576     { &custom_key.drop,  "Button 2/B/Y"   }
7577   };
7578   static char *joystick_name[MAX_PLAYERS] =
7579   {
7580     "Joystick1",
7581     "Joystick2",
7582     "Joystick3",
7583     "Joystick4"
7584   };
7585   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7586   int font_nr_info = FONT_MENU_1;
7587   int font_nr_name = FONT_VALUE_OLD;
7588   int font_nr_on   = FONT_VALUE_1;
7589   int font_nr_off  = FONT_VALUE_OLD;
7590   int pos = 4;
7591
7592   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7593   {
7594     font_nr_info = FONT_MENU_2;
7595     font_nr_on   = FONT_VALUE_NARROW;
7596     font_nr_off  = FONT_VALUE_OLD_NARROW;
7597   }
7598
7599   custom_key = setup.input[player_nr].key;
7600
7601   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7602            FONT_INPUT_1_ACTIVE);
7603
7604   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7605                              TILEX, TILEY);
7606   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7607                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7608
7609   if (setup.input[player_nr].use_joystick)
7610   {
7611     char *device_name = setup.input[player_nr].joy.device_name;
7612     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7613     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7614     char *text = joystick_name[joystick_nr];
7615     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7616
7617     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7618     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7619   }
7620   else
7621   {
7622     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7623     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7624   }
7625
7626   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7627     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7628   else
7629     pos = 3;
7630
7631   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7632   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7633   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7634   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7635
7636   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7637   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7638   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7639   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7640   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7641   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7642
7643   for (i = 0; i < 6; i++)
7644   {
7645     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7646
7647     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7648              "              ", font_nr_on);
7649     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7650              (setup.input[player_nr].use_joystick ?
7651               custom[i].text :
7652               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7653   }
7654 }
7655
7656 static int input_player_nr = 0;
7657
7658 static void HandleSetupScreen_Input_Player(int step, int direction)
7659 {
7660   int old_player_nr = input_player_nr;
7661   int new_player_nr;
7662
7663   new_player_nr = old_player_nr + step * direction;
7664   if (new_player_nr < 0)
7665     new_player_nr = 0;
7666   if (new_player_nr > MAX_PLAYERS - 1)
7667     new_player_nr = MAX_PLAYERS - 1;
7668
7669   if (new_player_nr != old_player_nr)
7670   {
7671     input_player_nr = new_player_nr;
7672
7673     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7674   }
7675 }
7676
7677 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7678 {
7679   static int choice = 0;
7680   int x = 0;
7681   int y = choice;
7682   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7683   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7684   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7685   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7686
7687   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7688   {
7689     int i;
7690
7691     for (i = 0; setup_info_input[i].type != 0; i++)
7692     {
7693       // adjust menu structure according to skipped setup entries
7694       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7695       {
7696         pos_empty2--;
7697         pos_end--;
7698       }
7699     }
7700   }
7701
7702   if (button == MB_MENU_INITIALIZE)
7703   {
7704     // input setup menu may have changed size due to graphics configuration
7705     if (choice >= pos_empty1)
7706       choice = pos_end;
7707
7708     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7709
7710     DrawCursorAndText_Setup(choice, -1, TRUE);
7711
7712     return;
7713   }
7714   else if (button == MB_MENU_LEAVE)
7715   {
7716     setup_mode = SETUP_MODE_MAIN;
7717     DrawSetupScreen();
7718     InitJoysticks();
7719
7720     return;
7721   }
7722
7723   if (mx || my)         // mouse input
7724   {
7725     x = (mx - mSX) / 32;
7726     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7727   }
7728   else if (dx || dy)    // keyboard input
7729   {
7730     if (dx && choice == 0)
7731       x = (dx < 0 ? 10 : 12);
7732     else if ((dx && choice == 1) ||
7733              (dx == -1 && choice == pos_end))
7734       button = MB_MENU_CHOICE;
7735     else if (dy)
7736       y = choice + dy;
7737
7738     if (y >= pos_empty1 && y <= pos_empty2)
7739       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7740   }
7741
7742   if (y == 0 && dx != 0 && button)
7743   {
7744     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7745   }
7746   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7747            y >= pos_start && y <= pos_end &&
7748            !(y >= pos_empty1 && y <= pos_empty2))
7749   {
7750     if (button)
7751     {
7752       if (y != choice)
7753       {
7754         DrawCursorAndText_Setup(choice, -1, FALSE);
7755         DrawCursorAndText_Setup(y, -1, TRUE);
7756
7757         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7758
7759         choice = y;
7760       }
7761     }
7762     else
7763     {
7764       if (y == 1)
7765       {
7766         char *device_name = setup.input[input_player_nr].joy.device_name;
7767
7768         if (!setup.input[input_player_nr].use_joystick)
7769         {
7770           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7771
7772           setJoystickDeviceToNr(device_name, new_device_nr);
7773           setup.input[input_player_nr].use_joystick = TRUE;
7774         }
7775         else
7776         {
7777           int device_nr = getJoystickNrFromDeviceName(device_name);
7778           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7779
7780           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7781             setup.input[input_player_nr].use_joystick = FALSE;
7782           else
7783             setJoystickDeviceToNr(device_name, new_device_nr);
7784         }
7785
7786         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7787       }
7788       else if (y == 2)
7789       {
7790         if (setup.input[input_player_nr].use_joystick)
7791           ConfigureJoystick(input_player_nr);
7792         else
7793           CustomizeKeyboard(input_player_nr);
7794       }
7795       else if (y == pos_end)
7796       {
7797         InitJoysticks();
7798
7799         FadeSetLeaveMenu();
7800
7801         setup_mode = SETUP_MODE_MAIN;
7802         DrawSetupScreen();
7803       }
7804     }
7805   }
7806 }
7807
7808 static boolean CustomizeKeyboardMain(int player_nr)
7809 {
7810   int i;
7811   int step_nr;
7812   boolean finished = FALSE;
7813   static struct SetupKeyboardInfo custom_key;
7814   static struct
7815   {
7816     Key *key;
7817     char *text;
7818   } customize_step[] =
7819   {
7820     { &custom_key.left,  "Move Left"    },
7821     { &custom_key.right, "Move Right"   },
7822     { &custom_key.up,    "Move Up"      },
7823     { &custom_key.down,  "Move Down"    },
7824     { &custom_key.snap,  "Snap Field"   },
7825     { &custom_key.drop,  "Drop Element" }
7826   };
7827   int font_nr_old = FONT_VALUE_OLD;
7828   int font_nr_new = FONT_VALUE_1;
7829   boolean success = FALSE;
7830
7831   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7832   {
7833     font_nr_old = FONT_VALUE_OLD_NARROW;
7834     font_nr_new = FONT_VALUE_NARROW;
7835   }
7836
7837   // read existing key bindings from player setup
7838   custom_key = setup.input[player_nr].key;
7839
7840   FadeSetEnterMenu();
7841   FadeOut(REDRAW_FIELD);
7842
7843   ClearField();
7844
7845   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7846
7847   step_nr = 0;
7848   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7849            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7850   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7851            "Key:", FONT_INPUT_1_ACTIVE);
7852   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7853            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7854
7855   FadeIn(REDRAW_FIELD);
7856
7857   while (!finished)
7858   {
7859     Event event;
7860
7861     if (NextValidEvent(&event))
7862     {
7863       switch (event.type)
7864       {
7865         case EVENT_KEYPRESS:
7866           {
7867             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7868
7869             // press 'Escape' to abort and keep the old key bindings
7870             if (key == KSYM_Escape)
7871             {
7872               FadeSkipNextFadeIn();
7873
7874               finished = TRUE;
7875
7876               break;
7877             }
7878
7879             // press 'Enter' to keep the existing key binding
7880             if (key == KSYM_Return)
7881               key = *customize_step[step_nr].key;
7882
7883             // check if key already used
7884             for (i = 0; i < step_nr; i++)
7885               if (*customize_step[i].key == key)
7886                 break;
7887             if (i < step_nr)
7888               break;
7889
7890             // got new key binding
7891             *customize_step[step_nr].key = key;
7892             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7893                      "             ", font_nr_new);
7894             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7895                      getKeyNameFromKey(key), font_nr_new);
7896             step_nr++;
7897
7898             // un-highlight last query
7899             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7900                      customize_step[step_nr - 1].text, FONT_MENU_1);
7901             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7902                      "Key:", FONT_MENU_1);
7903
7904             // all keys configured
7905             if (step_nr == 6)
7906             {
7907               finished = TRUE;
7908               success = TRUE;
7909
7910               break;
7911             }
7912
7913             // query next key binding
7914             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7915                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7916             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7917                      "Key:", FONT_INPUT_1_ACTIVE);
7918             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7919                      getKeyNameFromKey(*customize_step[step_nr].key),
7920                      font_nr_old);
7921           }
7922           break;
7923
7924         case EVENT_KEYRELEASE:
7925           key_joystick_mapping = 0;
7926           break;
7927
7928         default:
7929           HandleOtherEvents(&event);
7930           break;
7931       }
7932     }
7933
7934     BackToFront();
7935   }
7936
7937   // write new key bindings back to player setup, if successfully finished
7938   if (success)
7939     setup.input[player_nr].key = custom_key;
7940
7941   return success;
7942 }
7943
7944 void CustomizeKeyboard(int player_nr)
7945 {
7946   boolean success = CustomizeKeyboardMain(player_nr);
7947
7948   if (success)
7949   {
7950     int font_nr = FONT_TITLE_1;
7951     int font_height = getFontHeight(font_nr);
7952     int ypos1 = SYSIZE / 2 - font_height * 2;
7953     int ypos2 = SYSIZE / 2 - font_height * 1;
7954     unsigned int wait_frame_delay = 0;
7955     unsigned int wait_frame_delay_value = 2000;
7956
7957     ResetDelayCounter(&wait_frame_delay);
7958
7959     ClearField();
7960
7961     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7962     DrawTextSCentered(ypos2, font_nr, "configured!");
7963
7964     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7965       BackToFront();
7966
7967     ClearEventQueue();
7968   }
7969
7970   DrawSetupScreen_Input();
7971 }
7972
7973 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7974
7975 #define MARKER_BUTTON           1
7976 #define MARKER_AXIS_X           2
7977 #define MARKER_AXIS_Y           3
7978
7979 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7980 {
7981   static boolean bitmaps_initialized = FALSE;
7982   boolean screen_initialized = FALSE;
7983   static Bitmap *controller, *button, *axis_x, *axis_y;
7984   char *name;
7985   boolean success = TRUE;
7986   boolean done = FALSE, next = FALSE;
7987   Event event;
7988   int alpha = 200, alpha_step = -1;
7989   int alpha_ticks = 0;
7990   char mapping[4096], temp[256];
7991   int font_name = MENU_SETUP_FONT_TITLE;
7992   int font_info = MENU_SETUP_FONT_TEXT;
7993   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7994   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7995   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7996   int ystep_name = getMenuTextStep(spacing_name, font_name);
7997   int ystep_line = getMenuTextStep(spacing_line, font_info);
7998   int ystep_para = getMenuTextStep(spacing_para, font_info);
7999   int i, j;
8000
8001   struct
8002   {
8003     int x, y;
8004     int marker;
8005     char *field;
8006     int axis, button, hat, hat_value;
8007     char mapping[4096];
8008   }
8009   *step, *prev_step, steps[] =
8010   {
8011     { 356, 155, MARKER_BUTTON, "a",             },
8012     { 396, 122, MARKER_BUTTON, "b",             },
8013     { 320, 125, MARKER_BUTTON, "x",             },
8014     { 358,  95, MARKER_BUTTON, "y",             },
8015     { 162, 125, MARKER_BUTTON, "back",          },
8016     { 216, 125, MARKER_BUTTON, "guide",         },
8017     { 271, 125, MARKER_BUTTON, "start",         },
8018     { 110, 200, MARKER_BUTTON, "dpleft",        },
8019     { 146, 228, MARKER_BUTTON, "dpdown",        },
8020     { 178, 200, MARKER_BUTTON, "dpright",       },
8021     { 146, 172, MARKER_BUTTON, "dpup",          },
8022     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8023     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8024     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8025     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8026     {  73, 141, MARKER_BUTTON, "leftstick",     },
8027     { 282, 210, MARKER_BUTTON, "rightstick",    },
8028     {  73, 141, MARKER_AXIS_X, "leftx",         },
8029     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8030     { 282, 210, MARKER_AXIS_X, "rightx",        },
8031     { 282, 210, MARKER_AXIS_Y, "righty",        },
8032   };
8033
8034   unsigned int event_frame_delay = 0;
8035   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8036
8037   ResetDelayCounter(&event_frame_delay);
8038
8039   if (!bitmaps_initialized)
8040   {
8041     controller = LoadCustomImage("joystick/controller.png");
8042     button     = LoadCustomImage("joystick/button.png");
8043     axis_x     = LoadCustomImage("joystick/axis_x.png");
8044     axis_y     = LoadCustomImage("joystick/axis_y.png");
8045
8046     bitmaps_initialized = TRUE;
8047   }
8048
8049   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8050
8051 #if DEBUG_JOYSTICKS
8052   // print info about the joystick we are watching
8053   Debug("joystick", "watching joystick %d: (%s)",
8054         SDL_JoystickInstanceID(joystick), name);
8055   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8056         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8057         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8058 #endif
8059
8060   // initialize mapping with GUID and name
8061   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8062
8063   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8064            temp, name, SDL_GetPlatform());
8065
8066   // loop through all steps (buttons and axes), getting joystick events
8067   for (i = 0; i < SDL_arraysize(steps) && !done;)
8068   {
8069     Bitmap *marker = button;    // initialize with reliable default value
8070
8071     step = &steps[i];
8072     strcpy(step->mapping, mapping);
8073     step->axis = -1;
8074     step->button = -1;
8075     step->hat = -1;
8076     step->hat_value = -1;
8077
8078     marker = (step->marker == MARKER_BUTTON ? button :
8079               step->marker == MARKER_AXIS_X ? axis_x :
8080               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8081
8082     next = FALSE;
8083
8084     while (!done && !next)
8085     {
8086       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8087       alpha_ticks = SDL_GetTicks();
8088
8089       if (alpha >= 255)
8090       {
8091         alpha = 255;
8092         alpha_step = -1;
8093       }
8094       else if (alpha < 128)
8095       {
8096         alpha = 127;
8097         alpha_step = 1;
8098       }
8099
8100       int controller_x = SX + (SXSIZE - controller->width) / 2;
8101       int controller_y = SY + ystep_line;
8102
8103       int marker_x = controller_x + step->x;
8104       int marker_y = controller_y + step->y;
8105
8106       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8107       int ystart2 = ystart1 + ystep_name + ystep_line;
8108
8109       ClearField();
8110
8111       DrawTextSCentered(ystart1, font_name, name);
8112
8113       DrawTextSCentered(ystart2, font_info,
8114                         "Press buttons and move axes on");
8115       ystart2 += ystep_line;
8116       DrawTextSCentered(ystart2, font_info,
8117                         "your controller when indicated.");
8118       ystart2 += ystep_line;
8119       DrawTextSCentered(ystart2, font_info,
8120                         "(Your controller may look different.)");
8121       ystart2 += ystep_para;
8122
8123 #if defined(PLATFORM_ANDROID)
8124       DrawTextSCentered(ystart2, font_info,
8125                         "To correct a mistake,");
8126       ystart2 += ystep_line;
8127       DrawTextSCentered(ystart2, font_info,
8128                         "press the 'back' button.");
8129       ystart2 += ystep_line;
8130       DrawTextSCentered(ystart2, font_info,
8131                         "To skip a button or axis,");
8132       ystart2 += ystep_line;
8133       DrawTextSCentered(ystart2, font_info,
8134                         "press the 'menu' button.");
8135 #else
8136       DrawTextSCentered(ystart2, font_info,
8137                         "To correct a mistake,");
8138       ystart2 += ystep_line;
8139       DrawTextSCentered(ystart2, font_info,
8140                         "press the 'backspace' key.");
8141       ystart2 += ystep_line;
8142       DrawTextSCentered(ystart2, font_info,
8143                         "To skip a button or axis,");
8144       ystart2 += ystep_line;
8145       DrawTextSCentered(ystart2, font_info,
8146                         "press the 'return' key.");
8147       ystart2 += ystep_line;
8148       DrawTextSCentered(ystart2, font_info,
8149                         "To exit, press the 'escape' key.");
8150 #endif
8151
8152       BlitBitmapMasked(controller, drawto, 0, 0,
8153                        controller->width, controller->height,
8154                        controller_x, controller_y);
8155
8156       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8157       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8158
8159       BlitBitmapMasked(marker, drawto, 0, 0,
8160                        marker->width, marker->height,
8161                        marker_x, marker_y);
8162
8163       if (!screen_initialized)
8164         FadeIn(REDRAW_FIELD);
8165       else
8166         BackToFront();
8167
8168       screen_initialized = TRUE;
8169
8170       while (NextValidEvent(&event))
8171       {
8172         switch (event.type)
8173         {
8174           case SDL_JOYAXISMOTION:
8175             if (event.jaxis.value > 20000 ||
8176                 event.jaxis.value < -20000)
8177             {
8178               for (j = 0; j < i; j++)
8179                 if (steps[j].axis == event.jaxis.axis)
8180                   break;
8181
8182               if (j == i)
8183               {
8184                 if (step->marker != MARKER_AXIS_X &&
8185                     step->marker != MARKER_AXIS_Y)
8186                   break;
8187
8188                 step->axis = event.jaxis.axis;
8189                 strcat(mapping, step->field);
8190                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8191                 strcat(mapping, temp);
8192                 i++;
8193                 next = TRUE;
8194               }
8195             }
8196
8197             break;
8198
8199           case SDL_JOYHATMOTION:
8200             // ignore centering; we're probably just coming back
8201             // to the center from the previous item we set
8202             if (event.jhat.value == SDL_HAT_CENTERED)
8203               break;
8204
8205             for (j = 0; j < i; j++)
8206               if (steps[j].hat == event.jhat.hat &&
8207                   steps[j].hat_value == event.jhat.value)
8208                 break;
8209
8210             if (j == i)
8211             {
8212               step->hat = event.jhat.hat;
8213               step->hat_value = event.jhat.value;
8214               strcat(mapping, step->field);
8215               snprintf(temp, sizeof(temp), ":h%u.%u,",
8216                        event.jhat.hat, event.jhat.value );
8217               strcat(mapping, temp);
8218               i++;
8219               next = TRUE;
8220             }
8221
8222             break;
8223
8224           case SDL_JOYBALLMOTION:
8225             break;
8226
8227           case SDL_JOYBUTTONUP:
8228             for (j = 0; j < i; j++)
8229               if (steps[j].button == event.jbutton.button)
8230                 break;
8231
8232             if (j == i)
8233             {
8234               step->button = event.jbutton.button;
8235               strcat(mapping, step->field);
8236               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8237               strcat(mapping, temp);
8238               i++;
8239               next = TRUE;
8240             }
8241
8242             break;
8243
8244           case SDL_FINGERDOWN:
8245           case SDL_MOUSEBUTTONDOWN:
8246             // skip this step
8247             i++;
8248             next = TRUE;
8249
8250             break;
8251
8252           case SDL_KEYDOWN:
8253             if (event.key.keysym.sym == KSYM_BackSpace ||
8254                 event.key.keysym.sym == KSYM_Back)
8255             {
8256               if (i == 0)
8257               {
8258                 // leave screen
8259                 success = FALSE;
8260                 done = TRUE;
8261
8262                 break;
8263               }
8264
8265               // undo this step
8266               prev_step = &steps[i - 1];
8267               strcpy(mapping, prev_step->mapping);
8268               i--;
8269               next = TRUE;
8270
8271               break;
8272             }
8273
8274             if (event.key.keysym.sym == KSYM_space ||
8275                 event.key.keysym.sym == KSYM_Return ||
8276                 event.key.keysym.sym == KSYM_Menu)
8277             {
8278               // skip this step
8279               i++;
8280               next = TRUE;
8281
8282               break;
8283             }
8284
8285             if (event.key.keysym.sym == KSYM_Escape)
8286             {
8287               // leave screen
8288               success = FALSE;
8289               done = TRUE;
8290             }
8291
8292             break;
8293
8294           case SDL_QUIT:
8295             program.exit_function(0);
8296             break;
8297
8298           default:
8299             break;
8300         }
8301
8302         // do not handle events for longer than standard frame delay period
8303         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8304           break;
8305       }
8306     }
8307   }
8308
8309   if (success)
8310   {
8311 #if DEBUG_JOYSTICKS
8312     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8313 #endif
8314
8315     // activate mapping for this game
8316     SDL_GameControllerAddMapping(mapping);
8317
8318     // save mapping to personal mappings
8319     SaveSetup_AddGameControllerMapping(mapping);
8320   }
8321
8322   // wait until the last pending event was removed from event queue
8323   while (NextValidEvent(&event));
8324
8325   return success;
8326 }
8327
8328 static int ConfigureJoystickMain(int player_nr)
8329 {
8330   char *device_name = setup.input[player_nr].joy.device_name;
8331   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8332   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8333   int success = FALSE;
8334   int i;
8335
8336   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8337     return JOYSTICK_NOT_AVAILABLE;
8338
8339   if (!joystick_active || !setup.input[player_nr].use_joystick)
8340     return JOYSTICK_NOT_AVAILABLE;
8341
8342   FadeSetEnterMenu();
8343   FadeOut(REDRAW_FIELD);
8344
8345   // close all joystick devices (potentially opened as game controllers)
8346   for (i = 0; i < SDL_NumJoysticks(); i++)
8347     SDLCloseJoystick(i);
8348
8349   // open joystick device as plain joystick to configure as game controller
8350   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8351
8352   // as the joystick was successfully opened before, this should not happen
8353   if (joystick == NULL)
8354     return FALSE;
8355
8356   // create new game controller mapping (buttons and axes) for joystick device
8357   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8358
8359   // close joystick (and maybe re-open as configured game controller later)
8360   SDL_JoystickClose(joystick);
8361
8362   // re-open all joystick devices (potentially as game controllers)
8363   for (i = 0; i < SDL_NumJoysticks(); i++)
8364     SDLOpenJoystick(i);
8365
8366   // clear all joystick input actions for all joystick devices
8367   SDLClearJoystickState();
8368
8369   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8370 }
8371
8372 void ConfigureJoystick(int player_nr)
8373 {
8374   boolean state = ConfigureJoystickMain(player_nr);
8375
8376   if (state != JOYSTICK_NOT_CONFIGURED)
8377   {
8378     boolean success = (state == JOYSTICK_CONFIGURED);
8379     char message1[MAX_OUTPUT_LINESIZE + 1];
8380     char *message2 = (success ? "configured!" : "not available!");
8381     char *device_name = setup.input[player_nr].joy.device_name;
8382     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8383     int font_nr = FONT_TITLE_1;
8384     int font_height = getFontHeight(font_nr);
8385     int ypos1 = SYSIZE / 2 - font_height * 2;
8386     int ypos2 = SYSIZE / 2 - font_height * 1;
8387     unsigned int wait_frame_delay = 0;
8388     unsigned int wait_frame_delay_value = 2000;
8389
8390     ResetDelayCounter(&wait_frame_delay);
8391
8392     ClearField();
8393
8394     sprintf(message1, "Joystick %d", nr);
8395
8396     DrawTextSCentered(ypos1, font_nr, message1);
8397     DrawTextSCentered(ypos2, font_nr, message2);
8398
8399     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8400       BackToFront();
8401
8402     ClearEventQueue();
8403   }
8404
8405   DrawSetupScreen_Input();
8406 }
8407
8408 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8409 {
8410   if (y < video.screen_height / 3)
8411   {
8412     // remap touch gadgets to access upper part of the screen
8413     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8414     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8415   }
8416   else if (y > 2 * video.screen_height / 3)
8417   {
8418     // remap touch gadgets to access lower part of the screen
8419     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8420     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8421   }
8422 }
8423
8424 static boolean ConfigureVirtualButtonsMain(void)
8425 {
8426   static char *customize_step_text[] =
8427   {
8428     "Move Left",
8429     "Move Right",
8430     "Move Up",
8431     "Move Down",
8432     "Snap Field",
8433     "Drop Element"
8434   };
8435   char grid_button[] =
8436   {
8437     CHAR_GRID_BUTTON_LEFT,
8438     CHAR_GRID_BUTTON_RIGHT,
8439     CHAR_GRID_BUTTON_UP,
8440     CHAR_GRID_BUTTON_DOWN,
8441     CHAR_GRID_BUTTON_SNAP,
8442     CHAR_GRID_BUTTON_DROP
8443   };
8444   enum
8445   {
8446     ACTION_NONE,
8447     ACTION_ESCAPE,
8448     ACTION_BACK,
8449     ACTION_NEXT
8450   };
8451   int font_nr = FONT_INPUT_1_ACTIVE;
8452   int font_height = getFontHeight(font_nr);
8453   int ypos1 = SYSIZE / 2 - font_height * 2;
8454   int ypos2 = SYSIZE / 2 - font_height * 1;
8455   boolean success = FALSE;
8456   boolean finished = FALSE;
8457   int step_nr = 0;
8458   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8459   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8460   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8461   boolean set_grid_button = FALSE;
8462   int nr = GRID_ACTIVE_NR();
8463   int x, y;
8464
8465   for (x = 0; x < MAX_GRID_XSIZE; x++)
8466     for (y = 0; y < MAX_GRID_YSIZE; y++)
8467       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8468
8469   overlay.grid_button_highlight = grid_button[step_nr];
8470
8471   UnmapAllGadgets();
8472
8473   FadeSetEnterMenu();
8474   FadeOut(REDRAW_FIELD);
8475
8476   ClearField();
8477
8478   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8479   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8480   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8481
8482   FadeIn(REDRAW_FIELD);
8483
8484   SetOverlayShowGrid(TRUE);
8485
8486   // map gadgets for setup touch buttons menu screen
8487   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8488
8489   while (!finished)
8490   {
8491     Event event;
8492
8493     while (NextValidEvent(&event))
8494     {
8495       int action = ACTION_NONE;
8496
8497       // ---------- handle events and set the resulting action ----------
8498
8499       switch (event.type)
8500       {
8501         case EVENT_USER:
8502           {
8503             UserEvent *user = (UserEvent *)&event;
8504             int id = user->value1;
8505
8506             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8507                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8508                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8509                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8510                       ACTION_NONE);
8511           }
8512           break;
8513
8514         case EVENT_KEYPRESS:
8515           {
8516             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8517
8518             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8519                       key == KSYM_BackSpace ||
8520                       key == KSYM_Back ?        ACTION_BACK :
8521                       key == KSYM_Return ||
8522                       key == KSYM_Menu ||
8523                       key == KSYM_space ?       ACTION_NEXT :
8524                       ACTION_NONE);
8525           }
8526           break;
8527
8528         case EVENT_KEYRELEASE:
8529           key_joystick_mapping = 0;
8530           break;
8531
8532         case EVENT_BUTTONPRESS:
8533         case EVENT_BUTTONRELEASE:
8534           {
8535             ButtonEvent *button = (ButtonEvent *)&event;
8536
8537             motion_status = FALSE;
8538
8539             if (button->type == EVENT_BUTTONPRESS)
8540               button_status = button->button;
8541             else
8542               button_status = MB_RELEASED;
8543
8544             if (HandleGadgets(button->x, button->y, button_status))
8545             {
8546               // do not handle this button event anymore
8547               break;
8548             }
8549
8550             button->x += video.screen_xoffset;
8551             button->y += video.screen_yoffset;
8552
8553             x = button->x * overlay.grid_xsize / video.screen_width;
8554             y = button->y * overlay.grid_ysize / video.screen_height;
8555
8556             if (button->type == EVENT_BUTTONPRESS)
8557             {
8558               grid_button_draw =
8559                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8560                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8561
8562               set_grid_button = TRUE;
8563             }
8564
8565             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8566           }
8567           break;
8568
8569         case EVENT_MOTIONNOTIFY:
8570           {
8571             MotionEvent *motion = (MotionEvent *)&event;
8572
8573             motion_status = TRUE;
8574
8575             if (HandleGadgets(motion->x, motion->y, button_status))
8576             {
8577               // do not handle this button event anymore
8578               break;
8579             }
8580
8581             motion->x += video.screen_xoffset;
8582             motion->y += video.screen_yoffset;
8583
8584             x = motion->x * overlay.grid_xsize / video.screen_width;
8585             y = motion->y * overlay.grid_ysize / video.screen_height;
8586
8587             set_grid_button = TRUE;
8588
8589             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8590           }
8591           break;
8592
8593         case SDL_WINDOWEVENT:
8594           HandleWindowEvent((WindowEvent *) &event);
8595
8596           // check if device has been rotated
8597           if (nr != GRID_ACTIVE_NR())
8598           {
8599             nr = GRID_ACTIVE_NR();
8600
8601             for (x = 0; x < MAX_GRID_XSIZE; x++)
8602               for (y = 0; y < MAX_GRID_YSIZE; y++)
8603                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8604                   overlay.grid_button[x][y];
8605           }
8606
8607           break;
8608
8609         case SDL_APP_WILLENTERBACKGROUND:
8610         case SDL_APP_DIDENTERBACKGROUND:
8611         case SDL_APP_WILLENTERFOREGROUND:
8612         case SDL_APP_DIDENTERFOREGROUND:
8613           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8614           break;
8615
8616         default:
8617           HandleOtherEvents(&event);
8618           break;
8619       }
8620
8621       // ---------- perform action set by handling events ----------
8622
8623       if (action == ACTION_ESCAPE)
8624       {
8625         // abort and restore the old key bindings
8626
8627         for (x = 0; x < MAX_GRID_XSIZE; x++)
8628           for (y = 0; y < MAX_GRID_YSIZE; y++)
8629             overlay.grid_button[x][y] = grid_button_old[x][y];
8630
8631         FadeSkipNextFadeIn();
8632
8633         finished = TRUE;
8634       }
8635       else if (action == ACTION_BACK)
8636       {
8637         // keep the configured key bindings and go to previous page
8638
8639         step_nr--;
8640
8641         if (step_nr < 0)
8642         {
8643           FadeSkipNextFadeIn();
8644
8645           finished = TRUE;
8646         }
8647       }
8648       else if (action == ACTION_NEXT)
8649       {
8650         // keep the configured key bindings and go to next page
8651
8652         step_nr++;
8653
8654         // all virtual buttons configured
8655         if (step_nr == 6)
8656         {
8657           finished = TRUE;
8658           success = TRUE;
8659         }
8660       }
8661
8662       if (action != ACTION_NONE && !finished)
8663       {
8664         for (x = 0; x < MAX_GRID_XSIZE; x++)
8665           for (y = 0; y < MAX_GRID_YSIZE; y++)
8666             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8667
8668         overlay.grid_button_highlight = grid_button[step_nr];
8669
8670         // configure next virtual button
8671
8672         ClearField();
8673
8674         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8675         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8676         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8677       }
8678
8679       if (set_grid_button)
8680       {
8681         overlay.grid_button[x][y] =
8682           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8683            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8684            grid_button_tmp[x][y]);
8685
8686         set_grid_button = FALSE;
8687       }
8688     }
8689
8690     BackToFront();
8691   }
8692
8693   for (x = 0; x < MAX_GRID_XSIZE; x++)
8694     for (y = 0; y < MAX_GRID_YSIZE; y++)
8695       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8696
8697   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8698
8699   SetOverlayShowGrid(FALSE);
8700
8701   return success;
8702 }
8703
8704 void ConfigureVirtualButtons(void)
8705 {
8706   boolean success = ConfigureVirtualButtonsMain();
8707
8708   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8709                          SCREEN_MASK_TOUCH2);
8710
8711   if (success)
8712   {
8713     int font_nr = FONT_TITLE_1;
8714     int font_height = getFontHeight(font_nr);
8715     int ypos1 = SYSIZE / 2 - font_height * 2;
8716     int ypos2 = SYSIZE / 2 - font_height * 1;
8717     unsigned int wait_frame_delay = 0;
8718     unsigned int wait_frame_delay_value = 2000;
8719
8720     ResetDelayCounter(&wait_frame_delay);
8721
8722     ClearField();
8723
8724     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8725     DrawTextSCentered(ypos2, font_nr, "configured!");
8726
8727     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8728       BackToFront();
8729
8730     ClearEventQueue();
8731   }
8732 }
8733
8734 void DrawSetupScreen(void)
8735 {
8736   align_xoffset = 0;
8737   align_yoffset = 0;
8738
8739   if (setup_mode == SETUP_MODE_INPUT)
8740     DrawSetupScreen_Input();
8741   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8742     DrawChooseTree(&game_speed_current);
8743   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8744     DrawChooseTree(&scroll_delay_current);
8745   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8746     DrawChooseTree(&snapshot_mode_current);
8747   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8748     DrawChooseTree(&window_size_current);
8749   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8750     DrawChooseTree(&scaling_type_current);
8751   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8752     DrawChooseTree(&rendering_mode_current);
8753   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8754     DrawChooseTree(&vsync_mode_current);
8755   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8756     DrawChooseTree(&artwork.gfx_current);
8757   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8758     DrawChooseTree(&artwork.snd_current);
8759   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8760     DrawChooseTree(&artwork.mus_current);
8761   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8762     DrawChooseTree(&volume_simple_current);
8763   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8764     DrawChooseTree(&volume_loops_current);
8765   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8766     DrawChooseTree(&volume_music_current);
8767   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8768     DrawChooseTree(&touch_control_current);
8769   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8770     DrawChooseTree(&move_distance_current);
8771   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8772     DrawChooseTree(&drop_distance_current);
8773   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8774     DrawChooseTree(&transparency_current);
8775   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8776     DrawChooseTree(&grid_size_current[0][0]);
8777   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8778     DrawChooseTree(&grid_size_current[0][1]);
8779   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8780     DrawChooseTree(&grid_size_current[1][0]);
8781   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8782     DrawChooseTree(&grid_size_current[1][1]);
8783   else
8784     DrawSetupScreen_Generic();
8785
8786   PlayMenuSoundsAndMusic();
8787 }
8788
8789 void RedrawSetupScreenAfterFullscreenToggle(void)
8790 {
8791   if (setup_mode == SETUP_MODE_GRAPHICS ||
8792       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8793   {
8794     // update list selection from "setup.window_scaling_percent"
8795     execSetupGraphics_setWindowSizes(TRUE);
8796
8797     DrawSetupScreen();
8798   }
8799 }
8800
8801 void RedrawSetupScreenAfterScreenRotation(int nr)
8802 {
8803   int x, y;
8804
8805   if (setup_mode == SETUP_MODE_TOUCH)
8806   {
8807     // update virtual button settings (depending on screen orientation)
8808     DrawSetupScreen();
8809   }
8810   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8811   {
8812     // save already configured virtual buttons
8813     for (x = 0; x < MAX_GRID_XSIZE; x++)
8814       for (y = 0; y < MAX_GRID_YSIZE; y++)
8815         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8816   }
8817 }
8818
8819 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8820 {
8821   if (setup_mode == SETUP_MODE_INPUT)
8822     HandleSetupScreen_Input(mx, my, dx, dy, button);
8823   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8824     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8825   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8826     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8827   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8828     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8829   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8830     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8831   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8832     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8833   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8834     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8835   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8836     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8837   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8838     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8839   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8840     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8841   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8842     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8843   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8844     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8845   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8846     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8847   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8848     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8849   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8850     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8851   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8852     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8853   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8854     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8855   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8856     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8857   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8858     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8859   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8860     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8861   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8862     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8863   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8864     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8865   else
8866     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8867 }
8868
8869 void HandleGameActions(void)
8870 {
8871   if (setup.ask_on_game_over)
8872     CheckGameOver();
8873
8874   if (game.restart_game_message != NULL)
8875   {
8876     RequestRestartGame(game.restart_game_message);
8877
8878     return;
8879   }
8880
8881   if (game_status != GAME_MODE_PLAYING)
8882     return;
8883
8884   GameActions();        // main game loop
8885
8886   if (tape.auto_play && !tape.playing)
8887     AutoPlayTapes();    // continue automatically playing next tape
8888 }
8889
8890
8891 // ---------- new screen button stuff --------------------------------------
8892
8893 static struct
8894 {
8895   int gfx_unpressed, gfx_pressed;
8896   struct MenuPosInfo *pos;
8897   boolean *check_value;
8898   int gadget_id;
8899   int screen_mask;
8900   unsigned int event_mask;
8901   boolean is_touch_button;
8902   char *infotext;
8903 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8904 {
8905   {
8906     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8907     &menu.main.button.prev_level, NULL,
8908     SCREEN_CTRL_ID_PREV_LEVEL,
8909     SCREEN_MASK_MAIN,
8910     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8911     FALSE, "previous level"
8912   },
8913   {
8914     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8915     &menu.main.button.next_level, NULL,
8916     SCREEN_CTRL_ID_NEXT_LEVEL,
8917     SCREEN_MASK_MAIN,
8918     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8919     FALSE, "next level"
8920   },
8921   {
8922     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8923     &menu.main.button.first_level, NULL,
8924     SCREEN_CTRL_ID_FIRST_LEVEL,
8925     SCREEN_MASK_MAIN,
8926     GD_EVENT_RELEASED,
8927     FALSE, "first level"
8928   },
8929   {
8930     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8931     &menu.main.button.last_level, NULL,
8932     SCREEN_CTRL_ID_LAST_LEVEL,
8933     SCREEN_MASK_MAIN,
8934     GD_EVENT_RELEASED,
8935     FALSE, "last level"
8936   },
8937   {
8938     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8939     &menu.main.button.level_number, NULL,
8940     SCREEN_CTRL_ID_LEVEL_NUMBER,
8941     SCREEN_MASK_MAIN,
8942     GD_EVENT_RELEASED,
8943     FALSE, "level number"
8944   },
8945   {
8946     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8947     &menu.setup.button.prev_player, NULL,
8948     SCREEN_CTRL_ID_PREV_PLAYER,
8949     SCREEN_MASK_INPUT,
8950     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8951     FALSE, "previous player"
8952   },
8953   {
8954     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8955     &menu.setup.button.next_player, NULL,
8956     SCREEN_CTRL_ID_NEXT_PLAYER,
8957     SCREEN_MASK_INPUT,
8958     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8959     FALSE, "next player"
8960   },
8961   {
8962     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8963     &menu.main.button.insert_solution, NULL,
8964     SCREEN_CTRL_ID_INSERT_SOLUTION,
8965     SCREEN_MASK_MAIN_HAS_SOLUTION,
8966     GD_EVENT_RELEASED,
8967     FALSE, "insert solution tape"
8968   },
8969   {
8970     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8971     &menu.main.button.play_solution, NULL,
8972     SCREEN_CTRL_ID_PLAY_SOLUTION,
8973     SCREEN_MASK_MAIN_HAS_SOLUTION,
8974     GD_EVENT_RELEASED,
8975     FALSE, "play solution tape"
8976   },
8977   {
8978     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8979     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8980     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8981     SCREEN_MASK_MAIN,
8982     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8983     FALSE, "switch ECS/AGA chipset"
8984   },
8985   {
8986     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8987     &menu.setup.button.touch_back, NULL,
8988     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8989     SCREEN_MASK_TOUCH,
8990     GD_EVENT_RELEASED,
8991     TRUE, "previous page"
8992   },
8993   {
8994     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8995     &menu.setup.button.touch_next, NULL,
8996     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8997     SCREEN_MASK_TOUCH,
8998     GD_EVENT_RELEASED,
8999     TRUE, "next page"
9000   },
9001   {
9002     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9003     &menu.setup.button.touch_back2, NULL,
9004     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9005     SCREEN_MASK_TOUCH2,
9006     GD_EVENT_RELEASED,
9007     TRUE, "previous page"
9008   },
9009   {
9010     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9011     &menu.setup.button.touch_next2, NULL,
9012     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9013     SCREEN_MASK_TOUCH2,
9014     GD_EVENT_RELEASED,
9015     TRUE, "next page"
9016   },
9017 };
9018
9019 static struct
9020 {
9021   int gfx_unpressed, gfx_pressed;
9022   int x, y;
9023   int gadget_id;
9024   char *infotext;
9025 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9026 {
9027   {
9028     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9029     -1, -1,     // these values are not constant, but can change at runtime
9030     SCREEN_CTRL_ID_SCROLL_UP,
9031     "scroll up"
9032   },
9033   {
9034     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9035     -1, -1,     // these values are not constant, but can change at runtime
9036     SCREEN_CTRL_ID_SCROLL_DOWN,
9037     "scroll down"
9038   }
9039 };
9040
9041 static struct
9042 {
9043   int gfx_unpressed, gfx_pressed;
9044   int x, y;
9045   int width, height;
9046   int type;
9047   int gadget_id;
9048   char *infotext;
9049 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9050 {
9051   {
9052     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9053     -1, -1,     // these values are not constant, but can change at runtime
9054     -1, -1,     // these values are not constant, but can change at runtime
9055     GD_TYPE_SCROLLBAR_VERTICAL,
9056     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9057     "scroll level series vertically"
9058   }
9059 };
9060
9061 static struct
9062 {
9063   int graphic;
9064   int gadget_id;
9065   int x, y;
9066   int size;
9067   char *value;
9068   char *infotext;
9069 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9070 {
9071   {
9072     IMG_SETUP_INPUT_TEXT,
9073     SCREEN_CTRL_ID_NETWORK_SERVER,
9074     -1, -1,     // these values are not constant, but can change at runtime
9075     MAX_SETUP_TEXT_INPUT_LEN,
9076     network_server_hostname,
9077     "Network Server Hostname / IP"
9078   },
9079 };
9080
9081 static void CreateScreenMenubuttons(void)
9082 {
9083   struct GadgetInfo *gi;
9084   unsigned int event_mask;
9085   int i;
9086
9087   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9088   {
9089     struct MenuPosInfo *pos = menubutton_info[i].pos;
9090     boolean is_touch_button = menubutton_info[i].is_touch_button;
9091     boolean is_check_button = menubutton_info[i].check_value != NULL;
9092     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9093     int gfx_unpressed, gfx_pressed;
9094     int x, y, width, height;
9095     int gd_x1, gd_x2, gd_y1, gd_y2;
9096     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9097     int id = menubutton_info[i].gadget_id;
9098     int type = GD_TYPE_NORMAL_BUTTON;
9099     boolean checked = FALSE;
9100
9101     event_mask = menubutton_info[i].event_mask;
9102
9103     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9104     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9105
9106     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9107     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9108
9109     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9110     gfx_pressed   = menubutton_info[i].gfx_pressed;
9111     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9112     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9113     gd_x1 = graphic_info[gfx_unpressed].src_x;
9114     gd_y1 = graphic_info[gfx_unpressed].src_y;
9115     gd_x2 = graphic_info[gfx_pressed].src_x;
9116     gd_y2 = graphic_info[gfx_pressed].src_y;
9117     gd_x1a = gd_x1;
9118     gd_y1a = gd_y1;
9119     gd_x2a = gd_x2;
9120     gd_y2a = gd_y2;
9121
9122     if (is_touch_button)
9123     {
9124       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9125       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9126     }
9127
9128     if (is_check_button)
9129     {
9130       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9131       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9132       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9133       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9134
9135       type = GD_TYPE_CHECK_BUTTON;
9136       checked = *menubutton_info[i].check_value;
9137     }
9138
9139     gi = CreateGadget(GDI_CUSTOM_ID, id,
9140                       GDI_CUSTOM_TYPE_ID, i,
9141                       GDI_IMAGE_ID, gfx_unpressed,
9142                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9143                       GDI_X, x,
9144                       GDI_Y, y,
9145                       GDI_WIDTH, width,
9146                       GDI_HEIGHT, height,
9147                       GDI_TYPE, type,
9148                       GDI_STATE, GD_BUTTON_UNPRESSED,
9149                       GDI_CHECKED, checked,
9150                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9151                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9152                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9153                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9154                       GDI_DIRECT_DRAW, FALSE,
9155                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9156                       GDI_EVENT_MASK, event_mask,
9157                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9158                       GDI_END);
9159
9160     if (gi == NULL)
9161       Fail("cannot create gadget");
9162
9163     screen_gadget[id] = gi;
9164   }
9165 }
9166
9167 static void CreateScreenScrollbuttons(void)
9168 {
9169   struct GadgetInfo *gi;
9170   unsigned int event_mask;
9171   int i;
9172
9173   // these values are not constant, but can change at runtime
9174   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9175   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9176   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9177   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9178
9179   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9180   {
9181     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9182     int gfx_unpressed, gfx_pressed;
9183     int x, y, width, height;
9184     int gd_x1, gd_x2, gd_y1, gd_y2;
9185     int id = scrollbutton_info[i].gadget_id;
9186
9187     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9188
9189     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9190     y = mSY + scrollbutton_info[i].y;
9191     width = SC_SCROLLBUTTON_XSIZE;
9192     height = SC_SCROLLBUTTON_YSIZE;
9193
9194     // correct scrollbar position if placed outside menu (playfield) area
9195     if (x > SX + SC_SCROLL_UP_XPOS)
9196       x = SX + SC_SCROLL_UP_XPOS;
9197
9198     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9199       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9200                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9201
9202     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9203     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9204     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9205     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9206     gd_x1 = graphic_info[gfx_unpressed].src_x;
9207     gd_y1 = graphic_info[gfx_unpressed].src_y;
9208     gd_x2 = graphic_info[gfx_pressed].src_x;
9209     gd_y2 = graphic_info[gfx_pressed].src_y;
9210
9211     gi = CreateGadget(GDI_CUSTOM_ID, id,
9212                       GDI_CUSTOM_TYPE_ID, i,
9213                       GDI_IMAGE_ID, gfx_unpressed,
9214                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9215                       GDI_X, x,
9216                       GDI_Y, y,
9217                       GDI_WIDTH, width,
9218                       GDI_HEIGHT, height,
9219                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9220                       GDI_STATE, GD_BUTTON_UNPRESSED,
9221                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9222                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9223                       GDI_DIRECT_DRAW, FALSE,
9224                       GDI_EVENT_MASK, event_mask,
9225                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9226                       GDI_END);
9227
9228     if (gi == NULL)
9229       Fail("cannot create gadget");
9230
9231     screen_gadget[id] = gi;
9232   }
9233 }
9234
9235 static void CreateScreenScrollbars(void)
9236 {
9237   int i;
9238
9239   // these values are not constant, but can change at runtime
9240   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9241   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9242   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9243   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9244
9245   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9246   {
9247     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9248     int gfx_unpressed, gfx_pressed;
9249     int x, y, width, height;
9250     int gd_x1, gd_x2, gd_y1, gd_y2;
9251     struct GadgetInfo *gi;
9252     int items_max, items_visible, item_position;
9253     unsigned int event_mask;
9254     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9255     int id = scrollbar_info[i].gadget_id;
9256
9257     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9258
9259     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9260     y = mSY + scrollbar_info[i].y;
9261     width  = scrollbar_info[i].width;
9262     height = scrollbar_info[i].height;
9263
9264     // correct scrollbar position if placed outside menu (playfield) area
9265     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9266       x = SX + SC_SCROLL_VERTICAL_XPOS;
9267
9268     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9269       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9270
9271     items_max = num_page_entries;
9272     items_visible = num_page_entries;
9273     item_position = 0;
9274
9275     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9276     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9277     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9278     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9279     gd_x1 = graphic_info[gfx_unpressed].src_x;
9280     gd_y1 = graphic_info[gfx_unpressed].src_y;
9281     gd_x2 = graphic_info[gfx_pressed].src_x;
9282     gd_y2 = graphic_info[gfx_pressed].src_y;
9283
9284     gi = CreateGadget(GDI_CUSTOM_ID, id,
9285                       GDI_CUSTOM_TYPE_ID, i,
9286                       GDI_IMAGE_ID, gfx_unpressed,
9287                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9288                       GDI_X, x,
9289                       GDI_Y, y,
9290                       GDI_WIDTH, width,
9291                       GDI_HEIGHT, height,
9292                       GDI_TYPE, scrollbar_info[i].type,
9293                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9294                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9295                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9296                       GDI_WHEEL_AREA_X, SX,
9297                       GDI_WHEEL_AREA_Y, SY,
9298                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9299                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9300                       GDI_STATE, GD_BUTTON_UNPRESSED,
9301                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9302                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9303                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9304                       GDI_DIRECT_DRAW, FALSE,
9305                       GDI_EVENT_MASK, event_mask,
9306                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9307                       GDI_END);
9308
9309     if (gi == NULL)
9310       Fail("cannot create gadget");
9311
9312     screen_gadget[id] = gi;
9313   }
9314 }
9315
9316 static void CreateScreenTextInputGadgets(void)
9317 {
9318   int i;
9319
9320   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9321   {
9322     int graphic = textinput_info[i].graphic;
9323     struct GraphicInfo *gd = &graphic_info[graphic];
9324     int gd_x1 = gd->src_x;
9325     int gd_y1 = gd->src_y;
9326     int gd_x2 = gd->src_x + gd->active_xoffset;
9327     int gd_y2 = gd->src_y + gd->active_yoffset;
9328     struct GadgetInfo *gi;
9329     unsigned int event_mask;
9330     int id = textinput_info[i].gadget_id;
9331     int x = textinput_info[i].x;
9332     int y = textinput_info[i].y;
9333
9334     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9335
9336     gi = CreateGadget(GDI_CUSTOM_ID, id,
9337                       GDI_CUSTOM_TYPE_ID, i,
9338                       GDI_INFO_TEXT, textinput_info[i].infotext,
9339                       GDI_X, SX + x,
9340                       GDI_Y, SY + y,
9341                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9342                       GDI_TEXT_VALUE, textinput_info[i].value,
9343                       GDI_TEXT_SIZE, textinput_info[i].size,
9344                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9345                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9346                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9347                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9348                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9349                       GDI_DESIGN_WIDTH, gd->width,
9350                       GDI_EVENT_MASK, event_mask,
9351                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9352                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9353                       GDI_END);
9354
9355     if (gi == NULL)
9356       Fail("cannot create gadget");
9357
9358     screen_gadget[id] = gi;
9359   }
9360 }
9361
9362 void CreateScreenGadgets(void)
9363 {
9364   CreateScreenMenubuttons();
9365
9366   CreateScreenScrollbuttons();
9367   CreateScreenScrollbars();
9368
9369   CreateScreenTextInputGadgets();
9370 }
9371
9372 void FreeScreenGadgets(void)
9373 {
9374   int i;
9375
9376   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9377     FreeGadget(screen_gadget[i]);
9378 }
9379
9380 static void MapScreenMenuGadgets(int screen_mask)
9381 {
9382   int i;
9383
9384   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9385     if (screen_mask & menubutton_info[i].screen_mask)
9386       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9387 }
9388
9389 static void UnmapScreenMenuGadgets(int screen_mask)
9390 {
9391   int i;
9392
9393   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9394   {
9395     if (screen_mask & menubutton_info[i].screen_mask)
9396     {
9397       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9398
9399       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9400         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9401                        screen_gadget[menubutton_info[i].gadget_id]->y,
9402                        screen_gadget[menubutton_info[i].gadget_id]->width,
9403                        screen_gadget[menubutton_info[i].gadget_id]->height);
9404     }
9405   }
9406 }
9407
9408 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9409 {
9410   if (map_gadgets)
9411     MapScreenMenuGadgets(screen_mask);
9412   else
9413     UnmapScreenMenuGadgets(screen_mask);
9414 }
9415
9416 static void MapScreenGadgets(int num_entries)
9417 {
9418   int i;
9419
9420   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9421     return;
9422
9423   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9424     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9425
9426   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9427     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9428 }
9429
9430 static void MapScreenTreeGadgets(TreeInfo *ti)
9431 {
9432   MapScreenGadgets(numTreeInfoInGroup(ti));
9433 }
9434
9435 static void HandleScreenGadgets(struct GadgetInfo *gi)
9436 {
9437   int id = gi->custom_id;
9438   int button = gi->event.button;
9439   int step = (button == MB_LEFTBUTTON   ? 1 :
9440               button == MB_MIDDLEBUTTON ? 5 :
9441               button == MB_RIGHTBUTTON  ? 10 : 1);
9442
9443   switch (id)
9444   {
9445     case SCREEN_CTRL_ID_PREV_LEVEL:
9446       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9447       break;
9448
9449     case SCREEN_CTRL_ID_NEXT_LEVEL:
9450       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9451       break;
9452
9453     case SCREEN_CTRL_ID_FIRST_LEVEL:
9454       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9455       break;
9456
9457     case SCREEN_CTRL_ID_LAST_LEVEL:
9458       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9459       break;
9460
9461     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9462       CloseDoor(DOOR_CLOSE_2);
9463       SetGameStatus(GAME_MODE_LEVELNR);
9464       DrawChooseLevelNr();
9465       break;
9466
9467     case SCREEN_CTRL_ID_PREV_PLAYER:
9468       HandleSetupScreen_Input_Player(step, -1);
9469       break;
9470
9471     case SCREEN_CTRL_ID_NEXT_PLAYER:
9472       HandleSetupScreen_Input_Player(step, +1);
9473       break;
9474
9475     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9476       InsertSolutionTape();
9477       break;
9478
9479     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9480       PlaySolutionTape();
9481       break;
9482
9483     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9484       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9485       DrawMainMenu();
9486       break;
9487
9488     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9489     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9490     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9491     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9492       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9493       break;
9494
9495     case SCREEN_CTRL_ID_SCROLL_UP:
9496       if (game_status == GAME_MODE_NAMES)
9497         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9498       else if (game_status == GAME_MODE_LEVELS)
9499         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9500       else if (game_status == GAME_MODE_LEVELNR)
9501         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9502       else if (game_status == GAME_MODE_SETUP)
9503         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9504       else if (game_status == GAME_MODE_INFO)
9505         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9506       break;
9507
9508     case SCREEN_CTRL_ID_SCROLL_DOWN:
9509       if (game_status == GAME_MODE_NAMES)
9510         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9511       else if (game_status == GAME_MODE_LEVELS)
9512         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9513       else if (game_status == GAME_MODE_LEVELNR)
9514         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9515       else if (game_status == GAME_MODE_SETUP)
9516         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9517       else if (game_status == GAME_MODE_INFO)
9518         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9519       break;
9520
9521     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9522       if (game_status == GAME_MODE_NAMES)
9523         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9524       else if (game_status == GAME_MODE_LEVELS)
9525         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9526       else if (game_status == GAME_MODE_LEVELNR)
9527         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9528       else if (game_status == GAME_MODE_SETUP)
9529         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9530       else if (game_status == GAME_MODE_INFO)
9531         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9532       break;
9533
9534     case SCREEN_CTRL_ID_NETWORK_SERVER:
9535     {
9536       if (!strEqual(gi->textinput.value, ""))
9537       {
9538         setString(&setup.network_server_hostname, gi->textinput.value);
9539
9540         network.server_host = setup.network_server_hostname;
9541       }
9542       else
9543       {
9544         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9545
9546         network.server_host = NULL;
9547       }
9548
9549       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9550         network.server_host = NULL;
9551
9552       execSetupGame_setNetworkServerText();
9553
9554       DrawSetupScreen();
9555
9556       break;
9557     }
9558
9559     default:
9560       break;
9561   }
9562 }
9563
9564 void DumpScreenIdentifiers(void)
9565 {
9566   int i;
9567
9568   Print("Active screen elements on current screen:\n");
9569
9570   for (i = 0; main_controls[i].nr != -1; i++)
9571   {
9572     struct MainControlInfo *mci = &main_controls[i];
9573
9574     if (mci->button_graphic != -1)
9575     {
9576       char *token = getTokenFromImageID(mci->button_graphic);
9577
9578       Print("- '%s'\n", token);
9579     }
9580   }
9581
9582   Print("Done.\n");
9583 }
9584
9585 boolean DoScreenAction(int image_id)
9586 {
9587   int i;
9588
9589   if (game_status != GAME_MODE_MAIN)
9590     return FALSE;
9591
9592   for (i = 0; main_controls[i].nr != -1; i++)
9593   {
9594     struct MainControlInfo *mci = &main_controls[i];
9595     struct MenuPosInfo *pos = mci->pos_button;
9596
9597     if (mci->button_graphic == image_id)
9598     {
9599       int x = mSX + pos->x;
9600       int y = mSY + pos->y;
9601
9602       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9603
9604       return TRUE;
9605     }
9606   }
9607
9608   return FALSE;
9609 }
9610
9611 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9612 {
9613   // get tree info node of newly added level or artwork set
9614   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9615   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9616                                                       tree_subdir_new);
9617   if (tree_node_new == NULL)    // should not happen
9618     return;
9619
9620   // if request dialog is active, do nothing
9621   if (game.request_active)
9622     return;
9623
9624   if (game_status == GAME_MODE_MAIN &&
9625       tree_type == TREE_TYPE_LEVEL_DIR)
9626   {
9627     // when adding new level set in main menu, select it as current level set
9628
9629     // change current level set to newly added level set from zip file
9630     leveldir_current = tree_node_new;
9631
9632     // change current level number to first level of newly added level set
9633     level_nr = leveldir_current->first_level;
9634
9635     // redraw screen to reflect changed level set
9636     DrawMainMenu();
9637
9638     // save this level set and level number as last selected level set
9639     SaveLevelSetup_LastSeries();
9640     SaveLevelSetup_SeriesInfo();
9641   }
9642   else if (game_status == GAME_MODE_LEVELS &&
9643            tree_type == TREE_TYPE_LEVEL_DIR)
9644   {
9645     // when adding new level set in level set menu, set cursor and update screen
9646
9647     leveldir_current = tree_node_new;
9648
9649     DrawChooseTree(&leveldir_current);
9650   }
9651   else if (game_status == GAME_MODE_SETUP)
9652   {
9653     // when adding new artwork set in setup menu, set cursor and update screen
9654
9655     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9656         tree_type == TREE_TYPE_GRAPHICS_DIR)
9657     {
9658       artwork.gfx_current = tree_node_new;
9659
9660       DrawChooseTree(&artwork.gfx_current);
9661     }
9662     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9663              tree_type == TREE_TYPE_SOUNDS_DIR)
9664     {
9665       artwork.snd_current = tree_node_new;
9666
9667       DrawChooseTree(&artwork.snd_current);
9668     }
9669     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9670              tree_type == TREE_TYPE_MUSIC_DIR)
9671     {
9672       artwork.mus_current = tree_node_new;
9673
9674       DrawChooseTree(&artwork.mus_current);
9675     }
9676   }
9677 }