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   SyncEmscriptenFilesystem();
1743 }
1744
1745 static void gotoTopLevelDir(void)
1746 {
1747   // move upwards until inside (but not above) top level directory
1748   while (leveldir_current->node_parent &&
1749          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1750   {
1751     // write a "path" into level tree for easy navigation to last level
1752     if (leveldir_current->node_parent->node_group->cl_first == -1)
1753     {
1754       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1755       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1756       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1757       int cl_first, cl_cursor;
1758
1759       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1760       cl_cursor = leveldir_pos - cl_first;
1761
1762       leveldir_current->node_parent->node_group->cl_first = cl_first;
1763       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1764     }
1765
1766     leveldir_current = leveldir_current->node_parent;
1767   }
1768 }
1769
1770 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1771 {
1772   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1773
1774   return (use_frame_counter ? video.frame_counter : Counter());
1775 }
1776
1777 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1778                                      struct TitleFadingInfo *fi)
1779 {
1780   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1781 }
1782
1783 static void ResetTitleAutoDelay(unsigned int *counter_var,
1784                                 struct TitleFadingInfo *fi)
1785 {
1786   *counter_var = getAutoDelayCounter(fi);
1787 }
1788
1789 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1790 {
1791   static unsigned int title_delay = 0;
1792   static int title_screen_nr = 0;
1793   static int last_sound = -1, last_music = -1;
1794   boolean return_to_main_menu = FALSE;
1795   struct TitleControlInfo *tci;
1796   int sound, music;
1797
1798   if (button == MB_MENU_INITIALIZE)
1799   {
1800     title_delay = 0;
1801     title_screen_nr = 0;
1802     tci = &title_controls[title_screen_nr];
1803
1804     SetAnimStatus(getTitleAnimMode(tci));
1805
1806     last_sound = SND_UNDEFINED;
1807     last_music = MUS_UNDEFINED;
1808
1809     if (num_title_screens != 0)
1810     {
1811       FadeSetEnterScreen();
1812
1813       // use individual title fading instead of global "enter screen" fading
1814       fading = getTitleFading(tci);
1815     }
1816
1817     if (game_status_last_screen == GAME_MODE_INFO)
1818     {
1819       if (num_title_screens == 0)
1820       {
1821         // switch game mode from title screen mode back to info screen mode
1822         SetGameStatus(GAME_MODE_INFO);
1823
1824         // store that last screen was info screen, not main menu screen
1825         game_status_last_screen = GAME_MODE_INFO;
1826
1827         DrawInfoScreen_NotAvailable("Title screen information:",
1828                                     "No title screen for this level set.");
1829         return;
1830       }
1831     }
1832
1833     FadeMenuSoundsAndMusic();
1834
1835     FadeOut(REDRAW_ALL);
1836
1837     // title screens may have different window size
1838     ChangeViewportPropertiesIfNeeded();
1839
1840     // only required to update logic for redrawing global border
1841     ClearField();
1842
1843     if (tci->is_image)
1844       DrawTitleScreenImage(tci->local_nr, tci->initial);
1845     else
1846       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1847
1848     sound = getTitleSound(tci);
1849     music = getTitleMusic(tci);
1850
1851     if (sound != last_sound)
1852       PlayMenuSoundExt(sound);
1853     if (music != last_music)
1854       PlayMenuMusicExt(music);
1855
1856     last_sound = sound;
1857     last_music = music;
1858
1859     SetMouseCursor(CURSOR_NONE);
1860
1861     FadeIn(REDRAW_ALL);
1862
1863     ResetTitleAutoDelay(&title_delay, &fading);
1864
1865     return;
1866   }
1867
1868   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1869     button = MB_MENU_CHOICE;
1870
1871   if (button == MB_MENU_LEAVE)
1872   {
1873     return_to_main_menu = TRUE;
1874   }
1875   else if (button == MB_MENU_CHOICE)
1876   {
1877     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1878     {
1879       SetGameStatus(GAME_MODE_INFO);
1880
1881       info_mode = INFO_MODE_MAIN;
1882
1883       DrawInfoScreen();
1884
1885       return;
1886     }
1887
1888     title_screen_nr++;
1889
1890     if (title_screen_nr < num_title_screens)
1891     {
1892       tci = &title_controls[title_screen_nr];
1893
1894       SetAnimStatus(getTitleAnimMode(tci));
1895
1896       sound = getTitleSound(tci);
1897       music = getTitleMusic(tci);
1898
1899       if (last_sound != SND_UNDEFINED && sound != last_sound)
1900         FadeSound(last_sound);
1901       if (last_music != MUS_UNDEFINED && music != last_music)
1902         FadeMusic();
1903
1904       fading = getTitleFading(tci);
1905
1906       FadeOut(REDRAW_ALL);
1907
1908       if (tci->is_image)
1909         DrawTitleScreenImage(tci->local_nr, tci->initial);
1910       else
1911         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1912
1913       sound = getTitleSound(tci);
1914       music = getTitleMusic(tci);
1915
1916       if (sound != last_sound)
1917         PlayMenuSoundExt(sound);
1918       if (music != last_music)
1919         PlayMenuMusicExt(music);
1920
1921       last_sound = sound;
1922       last_music = music;
1923
1924       FadeIn(REDRAW_ALL);
1925
1926       ResetTitleAutoDelay(&title_delay, &fading);
1927     }
1928     else
1929     {
1930       FadeMenuSoundsAndMusic();
1931
1932       return_to_main_menu = TRUE;
1933     }
1934   }
1935
1936   if (return_to_main_menu)
1937   {
1938     SetMouseCursor(CURSOR_DEFAULT);
1939
1940     // force full menu screen redraw after displaying title screens
1941     redraw_mask = REDRAW_ALL;
1942
1943     if (game_status_last_screen == GAME_MODE_INFO)
1944     {
1945       SetGameStatus(GAME_MODE_INFO);
1946
1947       info_mode = INFO_MODE_MAIN;
1948
1949       DrawInfoScreen();
1950     }
1951     else        // default: return to main menu
1952     {
1953       SetGameStatus(GAME_MODE_MAIN);
1954
1955       DrawMainMenu();
1956     }
1957   }
1958 }
1959
1960 static void HandleMainMenu_ToggleTeamMode(void)
1961 {
1962   setup.team_mode = !setup.team_mode;
1963
1964   InitializeMainControls();
1965   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
1966
1967   DrawPreviewPlayers();
1968 }
1969
1970 static void HandleMainMenu_SelectLevel(int step, int direction,
1971                                        int selected_level_nr)
1972 {
1973   int old_level_nr = level_nr;
1974   int new_level_nr;
1975
1976   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1977     new_level_nr = selected_level_nr;
1978   else
1979     new_level_nr = old_level_nr + step * direction;
1980
1981   if (new_level_nr < leveldir_current->first_level)
1982     new_level_nr = leveldir_current->first_level;
1983   if (new_level_nr > leveldir_current->last_level)
1984     new_level_nr = leveldir_current->last_level;
1985
1986   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1987   {
1988     // skipping levels is only allowed when trying to skip single level
1989     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1990         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1991     {
1992       leveldir_current->handicap_level++;
1993       SaveLevelSetup_SeriesInfo();
1994     }
1995
1996     new_level_nr = leveldir_current->handicap_level;
1997   }
1998
1999   if (new_level_nr != old_level_nr)
2000   {
2001     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2002
2003     PlaySound(SND_MENU_ITEM_SELECTING);
2004
2005     level_nr = new_level_nr;
2006
2007     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2008              int2str(level_nr, menu.main.text.level_number.size),
2009              mci->pos_text->font);
2010
2011     LoadLevel(level_nr);
2012     DrawPreviewLevelInitial();
2013
2014     TapeErase();
2015     LoadTape(level_nr);
2016     DrawCompleteVideoDisplay();
2017
2018     SaveLevelSetup_SeriesInfo();
2019
2020     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2021
2022     // force redraw of playfield area (may be reset at this point)
2023     redraw_mask |= REDRAW_FIELD;
2024   }
2025 }
2026
2027 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2028 {
2029   static int choice = MAIN_CONTROL_GAME;
2030   static boolean button_pressed_last = FALSE;
2031   boolean button_pressed = FALSE;
2032   int pos = choice;
2033   int i = 0;    // needed to prevent compiler warning due to bad code below
2034
2035   if (button == MB_MENU_INITIALIZE)
2036   {
2037     DrawCursorAndText_Main(choice, TRUE, FALSE);
2038
2039     return;
2040   }
2041
2042   if (mx || my)         // mouse input
2043   {
2044     pos = -1;
2045
2046     for (i = 0; main_controls[i].nr != -1; i++)
2047     {
2048       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2049           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2050           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2051       {
2052         pos = main_controls[i].nr;
2053
2054         break;
2055       }
2056     }
2057
2058     // check if level preview was clicked
2059     if (insidePreviewRect(&preview, mx - SX, my - SY))
2060       pos = MAIN_CONTROL_GAME;
2061
2062     // handle pressed/unpressed state for active/inactive menu buttons
2063     // (if pos != -1, "i" contains index position corresponding to "pos")
2064     if (button &&
2065         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2066         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2067       button_pressed = TRUE;
2068
2069     if (button_pressed != button_pressed_last)
2070     {
2071       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2072
2073       if (button_pressed)
2074         PlaySound(SND_MENU_BUTTON_PRESSING);
2075       else
2076         PlaySound(SND_MENU_BUTTON_RELEASING);
2077     }
2078   }
2079   else if (dx || dy)    // keyboard input
2080   {
2081     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2082                    choice == MAIN_CONTROL_SETUP))
2083       button = MB_MENU_CHOICE;
2084     else if (dy)
2085       pos = choice + dy;
2086   }
2087
2088   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2089   {
2090     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2091   }
2092   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2093   {
2094     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2095   }
2096   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2097   {
2098     CloseDoor(DOOR_CLOSE_2);
2099
2100     SetGameStatus(GAME_MODE_LEVELNR);
2101
2102     DrawChooseLevelNr();
2103   }
2104   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2105   {
2106     if (button)
2107     {
2108       if (pos != choice)
2109       {
2110         PlaySound(SND_MENU_ITEM_ACTIVATING);
2111
2112         DrawCursorAndText_Main(choice, FALSE, FALSE);
2113         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2114
2115         choice = pos;
2116       }
2117       else if (dx != 0)
2118       {
2119         if (choice == MAIN_CONTROL_NAME)
2120         {
2121           // special case: cursor left or right pressed -- toggle team mode
2122           HandleMainMenu_ToggleTeamMode();
2123         }
2124         else if (choice != MAIN_CONTROL_INFO &&
2125                  choice != MAIN_CONTROL_SETUP)
2126         {
2127           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2128         }
2129       }
2130     }
2131     else
2132     {
2133       PlaySound(SND_MENU_ITEM_SELECTING);
2134
2135       if (pos == MAIN_CONTROL_NAME)
2136       {
2137         if ((mx || my) &&
2138             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2139         {
2140           // special case: menu text "name/team" clicked -- toggle team mode
2141           HandleMainMenu_ToggleTeamMode();
2142         }
2143         else
2144         {
2145           if (setup.multiple_users)
2146           {
2147             CloseDoor(DOOR_CLOSE_2);
2148
2149             SetGameStatus(GAME_MODE_NAMES);
2150
2151             DrawChoosePlayerName();
2152           }
2153           else
2154           {
2155             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2156
2157             DrawTypeName();
2158           }
2159         }
2160       }
2161       else if (pos == MAIN_CONTROL_LEVELS)
2162       {
2163         if (leveldir_first)
2164         {
2165           CloseDoor(DOOR_CLOSE_2);
2166
2167           SetGameStatus(GAME_MODE_LEVELS);
2168
2169           SaveLevelSetup_LastSeries();
2170           SaveLevelSetup_SeriesInfo();
2171
2172           // restore level set if chosen from "last played level set" menu
2173           RestoreLastPlayedLevels(&leveldir_current);
2174
2175           if (setup.internal.choose_from_top_leveldir)
2176             gotoTopLevelDir();
2177
2178           DrawChooseLevelSet();
2179         }
2180       }
2181       else if (pos == MAIN_CONTROL_SCORES)
2182       {
2183         CloseDoor(DOOR_CLOSE_2);
2184
2185         SetGameStatus(GAME_MODE_SCORES);
2186
2187         DrawHallOfFame(level_nr);
2188       }
2189       else if (pos == MAIN_CONTROL_EDITOR)
2190       {
2191         if (leveldir_current->readonly &&
2192             setup.editor.show_read_only_warning)
2193           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2194
2195         CloseDoor(DOOR_CLOSE_ALL);
2196
2197         SetGameStatus(GAME_MODE_EDITOR);
2198
2199         FadeSetEnterScreen();
2200
2201         DrawLevelEd();
2202       }
2203       else if (pos == MAIN_CONTROL_INFO)
2204       {
2205         CloseDoor(DOOR_CLOSE_2);
2206
2207         SetGameStatus(GAME_MODE_INFO);
2208
2209         info_mode = INFO_MODE_MAIN;
2210
2211         DrawInfoScreen();
2212       }
2213       else if (pos == MAIN_CONTROL_GAME)
2214       {
2215         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2216       }
2217       else if (pos == MAIN_CONTROL_SETUP)
2218       {
2219         CloseDoor(DOOR_CLOSE_2);
2220
2221         SetGameStatus(GAME_MODE_SETUP);
2222
2223         setup_mode = SETUP_MODE_MAIN;
2224
2225         DrawSetupScreen();
2226       }
2227       else if (pos == MAIN_CONTROL_QUIT)
2228       {
2229         SaveLevelSetup_LastSeries();
2230         SaveLevelSetup_SeriesInfo();
2231
2232         if (!setup.ask_on_quit_program ||
2233             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2234           SetGameStatus(GAME_MODE_QUIT);
2235       }
2236     }
2237   }
2238
2239   button_pressed_last = button_pressed;
2240 }
2241
2242
2243 // ============================================================================
2244 // info screen functions
2245 // ============================================================================
2246
2247 static struct TokenInfo *info_info;
2248 static int num_info_info;       // number of info entries shown on screen
2249 static int max_info_info;       // total number of info entries in list
2250
2251 static void execInfoTitleScreen(void)
2252 {
2253   info_mode = INFO_MODE_TITLE;
2254
2255   DrawInfoScreen();
2256 }
2257
2258 static void execInfoElements(void)
2259 {
2260   info_mode = INFO_MODE_ELEMENTS;
2261
2262   DrawInfoScreen();
2263 }
2264
2265 static void execInfoMusic(void)
2266 {
2267   info_mode = INFO_MODE_MUSIC;
2268
2269   DrawInfoScreen();
2270 }
2271
2272 static void execInfoCredits(void)
2273 {
2274   info_mode = INFO_MODE_CREDITS;
2275
2276   DrawInfoScreen();
2277 }
2278
2279 static void execInfoProgram(void)
2280 {
2281   info_mode = INFO_MODE_PROGRAM;
2282
2283   DrawInfoScreen();
2284 }
2285
2286 static void execInfoVersion(void)
2287 {
2288   info_mode = INFO_MODE_VERSION;
2289
2290   DrawInfoScreen();
2291 }
2292
2293 static void execInfoLevelSet(void)
2294 {
2295   info_mode = INFO_MODE_LEVELSET;
2296
2297   DrawInfoScreen();
2298 }
2299
2300 static void execExitInfo(void)
2301 {
2302   SetGameStatus(GAME_MODE_MAIN);
2303
2304   DrawMainMenu();
2305 }
2306
2307 static struct TokenInfo info_info_main[] =
2308 {
2309   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2310   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2311   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2312   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2313   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2314   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2315   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2316   { TYPE_EMPTY,         NULL,                   ""                      },
2317   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2318
2319   { 0,                  NULL,                   NULL                    }
2320 };
2321
2322 static int getMenuTextFont(int type)
2323 {
2324   if (type & (TYPE_SWITCH       |
2325               TYPE_YES_NO       |
2326               TYPE_YES_NO_AUTO  |
2327               TYPE_STRING       |
2328               TYPE_PLAYER       |
2329               TYPE_ECS_AGA      |
2330               TYPE_KEYTEXT      |
2331               TYPE_ENTER_LIST   |
2332               TYPE_TEXT_INPUT))
2333     return FONT_MENU_2;
2334   else
2335     return FONT_MENU_1;
2336 }
2337
2338 static struct TokenInfo *setup_info;
2339 static struct TokenInfo setup_info_input[];
2340
2341 static struct TokenInfo *menu_info;
2342
2343 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2344                                        int screen_pos, int menu_info_pos_raw,
2345                                        boolean active)
2346 {
2347   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2348   struct TokenInfo *ti = &token_info[pos];
2349   int xpos = MENU_SCREEN_START_XPOS;
2350   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2351   int font_nr = getMenuTextFont(ti->type);
2352
2353   if (setup_mode == SETUP_MODE_INPUT)
2354     font_nr = FONT_MENU_1;
2355
2356   if (active)
2357     font_nr = FONT_ACTIVE(font_nr);
2358
2359   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2360
2361   if (ti->type & ~TYPE_SKIP_ENTRY)
2362     drawCursor(screen_pos, active);
2363 }
2364
2365 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2366                                    boolean active)
2367 {
2368   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2369 }
2370
2371 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2372                                     boolean active)
2373 {
2374   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2375 }
2376
2377 static char *window_size_text;
2378 static char *scaling_type_text;
2379 static char *network_server_text;
2380
2381 static void drawSetupValue(int, int);
2382
2383 static void drawMenuInfoList(int first_entry, int num_page_entries,
2384                              int max_page_entries)
2385 {
2386   int i;
2387
2388   if (first_entry + num_page_entries > max_page_entries)
2389     first_entry = 0;
2390
2391   clearMenuListArea();
2392
2393   for (i = 0; i < num_page_entries; i++)
2394   {
2395     int menu_info_pos = first_entry + i;
2396     struct TokenInfo *si = &menu_info[menu_info_pos];
2397     void *value_ptr = si->value;
2398
2399     // set some entries to "unchangeable" according to other variables
2400     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2401         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2402         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2403         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2404         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2405         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2406       si->type |= TYPE_GHOSTED;
2407
2408     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2409       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2410     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2411       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2412     else if (si->type & ~TYPE_SKIP_ENTRY)
2413       initCursor(i, IMG_MENU_BUTTON);
2414
2415     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2416
2417     if (si->type & TYPE_STRING)
2418     {
2419       int gadget_id = -1;
2420
2421       if (value_ptr == &network_server_text)
2422         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2423
2424       if (gadget_id != -1)
2425       {
2426         struct GadgetInfo *gi = screen_gadget[gadget_id];
2427         int xpos = MENU_SCREEN_START_XPOS;
2428         int ypos = MENU_SCREEN_START_YPOS + i;
2429         int x = mSX + xpos * 32;
2430         int y = mSY + ypos * 32;
2431
2432         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2433       }
2434     }
2435
2436     if (si->type & TYPE_VALUE &&
2437         menu_info == setup_info)
2438       drawSetupValue(i, menu_info_pos);
2439   }
2440 }
2441
2442 static void DrawInfoScreen_Main(void)
2443 {
2444   int fade_mask = REDRAW_FIELD;
2445   int i;
2446
2447   if (redraw_mask & REDRAW_ALL)
2448     fade_mask = REDRAW_ALL;
2449
2450   if (CheckFadeAll())
2451     fade_mask = REDRAW_ALL;
2452
2453   UnmapAllGadgets();
2454   FadeMenuSoundsAndMusic();
2455
2456   FreeScreenGadgets();
2457   CreateScreenGadgets();
2458
2459   // (needed after displaying title screens which disable auto repeat)
2460   KeyboardAutoRepeatOn();
2461
2462   FadeSetLeaveScreen();
2463
2464   FadeOut(fade_mask);
2465
2466   // needed if different viewport properties defined for info screen
2467   ChangeViewportPropertiesIfNeeded();
2468
2469   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2470
2471   ClearField();
2472
2473   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2474
2475   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2476
2477   info_info = info_info_main;
2478
2479   // determine maximal number of info entries that can be displayed on screen
2480   num_info_info = 0;
2481   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2482     num_info_info++;
2483
2484   // determine maximal number of info entries available for menu of info screen
2485   max_info_info = 0;
2486   for (i = 0; info_info[i].type != 0; i++)
2487     max_info_info++;
2488
2489   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2490
2491   MapScreenGadgets(max_info_info);
2492
2493   PlayMenuSoundsAndMusic();
2494
2495   DrawMaskedBorder(fade_mask);
2496
2497   FadeIn(fade_mask);
2498 }
2499
2500 static void changeSetupValue(int, int, int);
2501
2502 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2503                              int mode, int num_page_entries,
2504                              int max_page_entries)
2505 {
2506   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2507   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2508   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2509   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2510   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2511   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2512   int *num_page_entries_last = num_page_entries_all_last[game_status];
2513   int *choice_store = choice_stores[game_status];
2514   int *first_entry_store = first_entry_stores[game_status];
2515   int choice = choice_store[mode];              // starts with 0
2516   int first_entry = first_entry_store[mode];    // starts with 0
2517   int x = 0;
2518   int y = choice - first_entry;
2519   int y_old = y;
2520   boolean position_set_by_scrollbar = (dx == 999);
2521   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2522   int i;
2523
2524   if (button == MB_MENU_INITIALIZE)
2525   {
2526     // check if number of menu page entries has changed (may happen by change
2527     // of custom artwork definition value for 'list_size' for this menu screen)
2528     // (in this case, the last menu position most probably has to be corrected)
2529     if (num_page_entries != num_page_entries_last[mode])
2530     {
2531       choice_store[mode] = first_entry_store[mode] = 0;
2532
2533       choice = first_entry = 0;
2534       y = y_old = 0;
2535
2536       num_page_entries_last[mode] = num_page_entries;
2537     }
2538
2539     // advance to first valid menu entry
2540     while (choice < num_page_entries &&
2541            menu_info[choice].type & TYPE_SKIP_ENTRY)
2542       choice++;
2543
2544     if (position_set_by_scrollbar)
2545       first_entry = first_entry_store[mode] = dy;
2546     else
2547       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2548                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2549
2550     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2551
2552     if (choice < first_entry)
2553     {
2554       choice = first_entry;
2555
2556       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2557         choice++;
2558     }
2559     else if (choice > first_entry + num_page_entries - 1)
2560     {
2561       choice = first_entry + num_page_entries - 1;
2562
2563       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2564         choice--;
2565     }
2566
2567     choice_store[mode] = choice;
2568
2569     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2570
2571     return;
2572   }
2573   else if (button == MB_MENU_LEAVE)
2574   {
2575     PlaySound(SND_MENU_ITEM_SELECTING);
2576
2577     for (i = 0; i < max_page_entries; i++)
2578     {
2579       if (menu_info[i].type & TYPE_LEAVE_MENU)
2580       {
2581         void (*menu_callback_function)(void) = menu_info[i].value;
2582
2583         FadeSetLeaveMenu();
2584
2585         menu_callback_function();
2586
2587         break;  // absolutely needed because function changes 'menu_info'!
2588       }
2589     }
2590
2591     return;
2592   }
2593
2594   if (mx || my)         // mouse input
2595   {
2596     x = (mx - mSX) / 32;
2597     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2598   }
2599   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2600   {
2601     // move cursor instead of scrolling when already at start/end of list
2602     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2603       dy = -1;
2604     else if (dy == +1 * SCROLL_LINE &&
2605              first_entry + num_page_entries == max_page_entries)
2606       dy = 1;
2607
2608     // handle scrolling screen one line or page
2609     if (y + dy < 0 ||
2610         y + dy > num_page_entries - 1)
2611     {
2612       boolean redraw = FALSE;
2613
2614       if (ABS(dy) == SCROLL_PAGE)
2615         step = num_page_entries - 1;
2616
2617       if (dy < 0 && first_entry > 0)
2618       {
2619         // scroll page/line up
2620
2621         first_entry -= step;
2622         if (first_entry < 0)
2623           first_entry = 0;
2624
2625         redraw = TRUE;
2626       }
2627       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2628       {
2629         // scroll page/line down
2630
2631         first_entry += step;
2632         if (first_entry + num_page_entries > max_page_entries)
2633           first_entry = MAX(0, max_page_entries - num_page_entries);
2634
2635         redraw = TRUE;
2636       }
2637
2638       if (redraw)
2639       {
2640         choice += first_entry - first_entry_store[mode];
2641
2642         if (choice < first_entry)
2643         {
2644           choice = first_entry;
2645
2646           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2647             choice++;
2648         }
2649         else if (choice > first_entry + num_page_entries - 1)
2650         {
2651           choice = first_entry + num_page_entries - 1;
2652
2653           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2654             choice--;
2655         }
2656         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2657         {
2658           choice += SIGN(dy);
2659
2660           if (choice < first_entry ||
2661               choice > first_entry + num_page_entries - 1)
2662           first_entry += SIGN(dy);
2663         }
2664
2665         first_entry_store[mode] = first_entry;
2666         choice_store[mode] = choice;
2667
2668         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2669
2670         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2671
2672         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2673                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2674       }
2675
2676       return;
2677     }
2678
2679     if (dx)
2680     {
2681       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2682
2683       if (menu_info[choice].type & menu_navigation_type ||
2684           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2685           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2686           menu_info[choice].type & TYPE_PLAYER)
2687         button = MB_MENU_CHOICE;
2688     }
2689     else if (dy)
2690       y += dy;
2691
2692     // jump to next non-empty menu entry (up or down)
2693     while (first_entry + y > 0 &&
2694            first_entry + y < max_page_entries - 1 &&
2695            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2696       y += dy;
2697
2698     if (!IN_VIS_MENU(x, y))
2699     {
2700       choice += y - y_old;
2701
2702       if (choice < first_entry)
2703         first_entry = choice;
2704       else if (choice > first_entry + num_page_entries - 1)
2705         first_entry = choice - num_page_entries + 1;
2706
2707       if (first_entry >= 0 &&
2708           first_entry + num_page_entries <= max_page_entries)
2709       {
2710         first_entry_store[mode] = first_entry;
2711
2712         if (choice < first_entry)
2713           choice = first_entry;
2714         else if (choice > first_entry + num_page_entries - 1)
2715           choice = first_entry + num_page_entries - 1;
2716
2717         choice_store[mode] = choice;
2718
2719         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2720
2721         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2722
2723         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2724                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2725       }
2726
2727       return;
2728     }
2729   }
2730
2731   if (!anyScrollbarGadgetActive() &&
2732       IN_VIS_MENU(x, y) &&
2733       mx < mx_right_border &&
2734       y >= 0 && y < num_page_entries)
2735   {
2736     if (button)
2737     {
2738       if (first_entry + y != choice &&
2739           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2740       {
2741         PlaySound(SND_MENU_ITEM_ACTIVATING);
2742
2743         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2744         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2745
2746         choice = choice_store[mode] = first_entry + y;
2747       }
2748       else if (dx < 0)
2749       {
2750         PlaySound(SND_MENU_ITEM_SELECTING);
2751
2752         for (i = 0; menu_info[i].type != 0; i++)
2753         {
2754           if (menu_info[i].type & TYPE_LEAVE_MENU)
2755           {
2756             void (*menu_callback_function)(void) = menu_info[i].value;
2757
2758             FadeSetLeaveMenu();
2759
2760             menu_callback_function();
2761
2762             // absolutely needed because function changes 'menu_info'!
2763             break;
2764           }
2765         }
2766
2767         return;
2768       }
2769     }
2770     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2771     {
2772       PlaySound(SND_MENU_ITEM_SELECTING);
2773
2774       // when selecting key headline, execute function for key value change
2775       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2776           menu_info[first_entry + y + 1].type & TYPE_KEY)
2777         y++;
2778
2779       // when selecting string value, execute function for list selection
2780       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2781           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2782         y--;
2783
2784       // when selecting string value, execute function for text input gadget
2785       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2786           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2787         y--;
2788
2789       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2790       {
2791         void (*menu_callback_function)(void) =
2792           menu_info[first_entry + y].value;
2793
2794         FadeSetFromType(menu_info[first_entry + y].type);
2795
2796         menu_callback_function();
2797       }
2798       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2799       {
2800         void (*gadget_callback_function)(void) =
2801           menu_info[first_entry + y].value;
2802
2803         gadget_callback_function();
2804       }
2805       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2806                menu_info == setup_info)
2807       {
2808         changeSetupValue(y, first_entry + y, dx);
2809       }
2810     }
2811   }
2812 }
2813
2814 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2815 {
2816   menu_info = info_info;
2817
2818   HandleMenuScreen(mx, my, dx, dy, button,
2819                    info_mode, num_info_info, max_info_info);
2820 }
2821
2822 static int getMenuFontSpacing(int spacing_height, int font_nr)
2823 {
2824   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2825
2826   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2827           spacing_height);
2828 }
2829
2830 static int getMenuTextSpacing(int spacing_height, int font_nr)
2831 {
2832   return (getMenuFontSpacing(spacing_height, font_nr) +
2833           EXTRA_SPACING(game_status));
2834 }
2835
2836 static int getMenuTextStep(int spacing_height, int font_nr)
2837 {
2838   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2839 }
2840
2841 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2842 {
2843   int font_title = MENU_INFO_FONT_TITLE;
2844   int font_error = FONT_TEXT_2;
2845   int font_foot  = MENU_INFO_FONT_FOOT;
2846   int spacing_title = menu.headline1_spacing_info[info_mode];
2847   int ystep_title = getMenuTextStep(spacing_title, font_title);
2848   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2849   int ystart2 = ystart1 + ystep_title;
2850   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2851
2852   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2853
2854   FadeOut(REDRAW_FIELD);
2855
2856   ClearField();
2857   DrawHeadline();
2858
2859   DrawTextSCentered(ystart1, font_title, text_title);
2860   DrawTextSCentered(ystart2, font_error, text_error);
2861
2862   DrawTextSCentered(ybottom, font_foot,
2863                     "Press any key or button for info menu");
2864
2865   FadeIn(REDRAW_FIELD);
2866 }
2867
2868 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2869 {
2870   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2871   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2872   int font_title = MENU_INFO_FONT_TITLE;
2873   int font_foot  = MENU_INFO_FONT_FOOT;
2874   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2875   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2876   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2877   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2878   int ystep = MENU_SCREEN_INFO_YSTEP;
2879   int element, action, direction;
2880   int graphic;
2881   int delay;
2882   int sync_frame;
2883   int i, j;
2884
2885   if (init)
2886   {
2887     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2888       infoscreen_step[i] = infoscreen_frame[i] = 0;
2889
2890     ClearField();
2891     DrawHeadline();
2892
2893     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2894
2895     DrawTextSCentered(ybottom, font_foot,
2896                       "Press any key or button for next page");
2897
2898     FrameCounter = 0;
2899   }
2900
2901   i = j = 0;
2902   while (helpanim_info[j].element != HELPANIM_LIST_END)
2903   {
2904     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2905         i >= max_anims)
2906       break;
2907     else if (i < start)
2908     {
2909       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2910         j++;
2911
2912       j++;
2913       i++;
2914
2915       continue;
2916     }
2917
2918     j += infoscreen_step[i - start];
2919
2920     element = helpanim_info[j].element;
2921     action = helpanim_info[j].action;
2922     direction = helpanim_info[j].direction;
2923
2924     if (element < 0)
2925       element = EL_UNKNOWN;
2926
2927     if (action != -1 && direction != -1)
2928       graphic = el_act_dir2img(element, action, direction);
2929     else if (action != -1)
2930       graphic = el_act2img(element, action);
2931     else if (direction != -1)
2932       graphic = el_dir2img(element, direction);
2933     else
2934       graphic = el2img(element);
2935
2936     delay = helpanim_info[j++].delay;
2937
2938     if (delay == -1)
2939       delay = 1000000;
2940
2941     if (infoscreen_frame[i - start] == 0)
2942     {
2943       sync_frame = 0;
2944       infoscreen_frame[i - start] = delay - 1;
2945     }
2946     else
2947     {
2948       sync_frame = delay - infoscreen_frame[i - start];
2949       infoscreen_frame[i - start]--;
2950     }
2951
2952     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2953     {
2954       if (!infoscreen_frame[i - start])
2955         infoscreen_step[i - start] = 0;
2956     }
2957     else
2958     {
2959       if (!infoscreen_frame[i - start])
2960         infoscreen_step[i - start]++;
2961       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2962         j++;
2963     }
2964
2965     j++;
2966
2967     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2968                                TILEX, TILEY);
2969     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2970                                  graphic, sync_frame, USE_MASKING);
2971
2972     if (init)
2973       DrawInfoScreen_HelpText(element, action, direction, i - start);
2974
2975     i++;
2976   }
2977
2978   redraw_mask |= REDRAW_FIELD;
2979
2980   FrameCounter++;
2981 }
2982
2983 static char *getHelpText(int element, int action, int direction)
2984 {
2985   char token[MAX_LINE_LEN];
2986
2987   strcpy(token, element_info[element].token_name);
2988
2989   if (action != -1)
2990     strcat(token, element_action_info[action].suffix);
2991
2992   if (direction != -1)
2993     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2994
2995   return getHashEntry(helptext_info, token);
2996 }
2997
2998 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2999 {
3000   int font_nr = FONT_INFO_ELEMENTS;
3001   int font_width = getFontWidth(font_nr);
3002   int font_height = getFontHeight(font_nr);
3003   int yoffset = (TILEX - 2 * font_height) / 2;
3004   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3005   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3006   int ystep = TILEY + 4;
3007   int pad_left = xstart - SX;
3008   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3009   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3010   int max_lines_per_text = 2;
3011   char *text = NULL;
3012
3013   if (action != -1 && direction != -1)          // element.action.direction
3014     text = getHelpText(element, action, direction);
3015
3016   if (text == NULL && action != -1)             // element.action
3017     text = getHelpText(element, action, -1);
3018
3019   if (text == NULL && direction != -1)          // element.direction
3020     text = getHelpText(element, -1, direction);
3021
3022   if (text == NULL)                             // base element
3023     text = getHelpText(element, -1, -1);
3024
3025   if (text == NULL)                             // not found
3026     text = "No description available";
3027
3028   if (strlen(text) <= max_chars_per_line)       // only one line of text
3029     ystart += getFontHeight(font_nr) / 2;
3030
3031   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3032                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3033                  TRUE, FALSE, FALSE);
3034 }
3035
3036 static void DrawInfoScreen_TitleScreen(void)
3037 {
3038   SetGameStatus(GAME_MODE_TITLE);
3039
3040   DrawTitleScreen();
3041 }
3042
3043 void HandleInfoScreen_TitleScreen(int button)
3044 {
3045   HandleTitleScreen(0, 0, 0, 0, button);
3046 }
3047
3048 static void DrawInfoScreen_Elements(void)
3049 {
3050   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3051
3052   FadeOut(REDRAW_FIELD);
3053
3054   LoadHelpAnimInfo();
3055   LoadHelpTextInfo();
3056
3057   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3058
3059   FadeIn(REDRAW_FIELD);
3060 }
3061
3062 void HandleInfoScreen_Elements(int button)
3063 {
3064   static unsigned int info_delay = 0;
3065   static int num_anims;
3066   static int num_pages;
3067   static int page;
3068   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3069   int i;
3070
3071   if (button == MB_MENU_INITIALIZE)
3072   {
3073     boolean new_element = TRUE;
3074
3075     num_anims = 0;
3076
3077     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3078     {
3079       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3080         new_element = TRUE;
3081       else if (new_element)
3082       {
3083         num_anims++;
3084         new_element = FALSE;
3085       }
3086     }
3087
3088     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3089     page = 0;
3090   }
3091
3092   if (button == MB_MENU_LEAVE)
3093   {
3094     PlaySound(SND_MENU_ITEM_SELECTING);
3095
3096     info_mode = INFO_MODE_MAIN;
3097     DrawInfoScreen();
3098
3099     return;
3100   }
3101   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3102   {
3103     if (button != MB_MENU_INITIALIZE)
3104     {
3105       PlaySound(SND_MENU_ITEM_SELECTING);
3106
3107       page++;
3108     }
3109
3110     if (page >= num_pages)
3111     {
3112       FadeMenuSoundsAndMusic();
3113
3114       info_mode = INFO_MODE_MAIN;
3115       DrawInfoScreen();
3116
3117       return;
3118     }
3119
3120     if (page > 0)
3121       FadeSetNextScreen();
3122
3123     if (button != MB_MENU_INITIALIZE)
3124       FadeOut(REDRAW_FIELD);
3125
3126     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3127
3128     if (button != MB_MENU_INITIALIZE)
3129       FadeIn(REDRAW_FIELD);
3130   }
3131   else
3132   {
3133     if (DelayReached(&info_delay, GameFrameDelay))
3134       if (page < num_pages)
3135         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3136
3137     PlayMenuSoundIfLoop();
3138   }
3139 }
3140
3141 static void DrawInfoScreen_Music(void)
3142 {
3143   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3144
3145   FadeOut(REDRAW_FIELD);
3146
3147   ClearField();
3148   DrawHeadline();
3149
3150   LoadMusicInfo();
3151
3152   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3153
3154   FadeIn(REDRAW_FIELD);
3155 }
3156
3157 void HandleInfoScreen_Music(int button)
3158 {
3159   static struct MusicFileInfo *list = NULL;
3160   int font_title = MENU_INFO_FONT_TITLE;
3161   int font_head  = MENU_INFO_FONT_HEAD;
3162   int font_text  = MENU_INFO_FONT_TEXT;
3163   int font_foot  = MENU_INFO_FONT_FOOT;
3164   int spacing_title = menu.headline1_spacing_info[info_mode];
3165   int spacing_head  = menu.headline2_spacing_info[info_mode];
3166   int ystep_title = getMenuTextStep(spacing_title, font_title);
3167   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3168   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3169   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3170
3171   if (button == MB_MENU_INITIALIZE)
3172   {
3173     list = music_file_info;
3174
3175     if (list == NULL)
3176     {
3177       FadeMenuSoundsAndMusic();
3178
3179       ClearField();
3180       DrawHeadline();
3181
3182       DrawTextSCentered(ystart, font_title,
3183                         "No music info for this level set.");
3184
3185       DrawTextSCentered(ybottom, font_foot,
3186                         "Press any key or button for info menu");
3187
3188       return;
3189     }
3190   }
3191
3192   if (button == MB_MENU_LEAVE)
3193   {
3194     PlaySound(SND_MENU_ITEM_SELECTING);
3195
3196     FadeMenuSoundsAndMusic();
3197
3198     info_mode = INFO_MODE_MAIN;
3199     DrawInfoScreen();
3200
3201     return;
3202   }
3203   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3204   {
3205     if (button != MB_MENU_INITIALIZE)
3206     {
3207       PlaySound(SND_MENU_ITEM_SELECTING);
3208
3209       if (list != NULL)
3210         list = list->next;
3211     }
3212
3213     if (list == NULL)
3214     {
3215       FadeMenuSoundsAndMusic();
3216
3217       info_mode = INFO_MODE_MAIN;
3218       DrawInfoScreen();
3219
3220       return;
3221     }
3222
3223     FadeMenuSoundsAndMusic();
3224
3225     if (list != music_file_info)
3226       FadeSetNextScreen();
3227
3228     if (button != MB_MENU_INITIALIZE)
3229       FadeOut(REDRAW_FIELD);
3230
3231     ClearField();
3232     DrawHeadline();
3233
3234     if (list->is_sound)
3235     {
3236       int sound = list->music;
3237
3238       if (sound_info[sound].loop)
3239         PlaySoundLoop(sound);
3240       else
3241         PlaySound(sound);
3242
3243       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3244     }
3245     else
3246     {
3247       int music = list->music;
3248
3249       if (music_info[music].loop)
3250         PlayMusicLoop(music);
3251       else
3252         PlayMusic(music);
3253
3254       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3255     }
3256
3257     ystart += ystep_title;
3258
3259     if (!strEqual(list->title, UNKNOWN_NAME))
3260     {
3261       if (!strEqual(list->title_header, UNKNOWN_NAME))
3262       {
3263         DrawTextSCentered(ystart, font_head, list->title_header);
3264         ystart += ystep_head;
3265       }
3266
3267       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3268       ystart += ystep_head;
3269     }
3270
3271     if (!strEqual(list->artist, UNKNOWN_NAME))
3272     {
3273       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3274         DrawTextSCentered(ystart, font_head, list->artist_header);
3275       else
3276         DrawTextSCentered(ystart, font_head, "by");
3277
3278       ystart += ystep_head;
3279
3280       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3281       ystart += ystep_head;
3282     }
3283
3284     if (!strEqual(list->album, UNKNOWN_NAME))
3285     {
3286       if (!strEqual(list->album_header, UNKNOWN_NAME))
3287         DrawTextSCentered(ystart, font_head, list->album_header);
3288       else
3289         DrawTextSCentered(ystart, font_head, "from the album");
3290
3291       ystart += ystep_head;
3292
3293       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3294       ystart += ystep_head;
3295     }
3296
3297     if (!strEqual(list->year, UNKNOWN_NAME))
3298     {
3299       if (!strEqual(list->year_header, UNKNOWN_NAME))
3300         DrawTextSCentered(ystart, font_head, list->year_header);
3301       else
3302         DrawTextSCentered(ystart, font_head, "from the year");
3303
3304       ystart += ystep_head;
3305
3306       DrawTextFCentered(ystart, font_text, "%s", list->year);
3307       ystart += ystep_head;
3308     }
3309
3310     DrawTextSCentered(ybottom, FONT_TEXT_4,
3311                       "Press any key or button for next page");
3312
3313     if (button != MB_MENU_INITIALIZE)
3314       FadeIn(REDRAW_FIELD);
3315   }
3316
3317   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3318     PlaySoundLoop(list->music);
3319 }
3320
3321 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3322 {
3323   int font_title = MENU_INFO_FONT_TITLE;
3324   int font_head  = MENU_INFO_FONT_HEAD;
3325   int font_text  = MENU_INFO_FONT_TEXT;
3326   int font_foot  = MENU_INFO_FONT_FOOT;
3327   int spacing_title = menu.headline1_spacing_info[info_mode];
3328   int spacing_head  = menu.headline2_spacing_info[info_mode];
3329   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3330   int spacing_line  = menu.line_spacing_info[info_mode];
3331   int ystep_title = getMenuTextStep(spacing_title, font_title);
3332   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3333   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3334   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3335   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3336   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3337
3338   ClearField();
3339   DrawHeadline();
3340
3341   DrawTextSCentered(ystart, font_title, "Credits:");
3342   ystart += ystep_title;
3343
3344   if (screen_nr == 0)
3345   {
3346     DrawTextSCentered(ystart, font_head,
3347                       "Special thanks to");
3348     ystart += ystep_head;
3349     DrawTextSCentered(ystart, font_text,
3350                       "Peter Liepa");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_head,
3353                       "for creating");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_text,
3356                       "\"Boulder Dash\"");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_head,
3359                       "in the year");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_text,
3362                       "1984");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_head,
3365                       "published by");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_text,
3368                       "First Star Software");
3369   }
3370   else if (screen_nr == 1)
3371   {
3372     DrawTextSCentered(ystart, font_head,
3373                       "Special thanks to");
3374     ystart += ystep_head;
3375     DrawTextSCentered(ystart, font_text,
3376                       "Klaus Heinz & Volker Wertich");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_head,
3379                       "for creating");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_text,
3382                       "\"Emerald Mine\"");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_head,
3385                       "in the year");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_text,
3388                       "1987");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_head,
3391                       "published by");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_text,
3394                       "Kingsoft");
3395   }
3396   else if (screen_nr == 2)
3397   {
3398     DrawTextSCentered(ystart, font_head,
3399                       "Special thanks to");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_text,
3402                       "Michael Stopp & Philip Jespersen");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_head,
3405                       "for creating");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_text,
3408                       "\"Supaplex\"");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_head,
3411                       "in the year");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_text,
3414                       "1991");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_head,
3417                       "published by");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_text,
3420                       "Digital Integration");
3421   }
3422   else if (screen_nr == 3)
3423   {
3424     DrawTextSCentered(ystart, font_head,
3425                       "Special thanks to");
3426     ystart += ystep_head;
3427     DrawTextSCentered(ystart, font_text,
3428                       "Hiroyuki Imabayashi");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_head,
3431                       "for creating");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_text,
3434                       "\"Sokoban\"");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_head,
3437                       "in the year");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_text,
3440                       "1982");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_head,
3443                       "published by");
3444     ystart += ystep_head;
3445     DrawTextSCentered(ystart, font_text,
3446                       "Thinking Rabbit");
3447   }
3448   else if (screen_nr == 4)
3449   {
3450     DrawTextSCentered(ystart, font_head,
3451                       "Special thanks to");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_text,
3454                       "Alan Bond");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_head,
3457                       "and");
3458     ystart += ystep_head;
3459     DrawTextSCentered(ystart, font_text,
3460                       "J\xfcrgen Bonhagen");
3461     ystart += ystep_head;
3462     DrawTextSCentered(ystart, font_head,
3463                       "for the continuous creation");
3464     ystart += ystep_line;
3465     DrawTextSCentered(ystart, font_head,
3466                       "of outstanding level sets");
3467   }
3468   else if (screen_nr == 5)
3469   {
3470     DrawTextSCentered(ystart, font_head,
3471                       "Thanks to");
3472     ystart += ystep_head;
3473     DrawTextSCentered(ystart, font_text,
3474                       "Peter Elzner");
3475     ystart += ystep_head;
3476     DrawTextSCentered(ystart, font_head,
3477                       "for ideas and inspiration by");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_text,
3480                       "Diamond Caves");
3481     ystart += ystep_para;
3482
3483     DrawTextSCentered(ystart, font_head,
3484                       "Thanks to");
3485     ystart += ystep_head;
3486     DrawTextSCentered(ystart, font_text,
3487                       "Steffest");
3488     ystart += ystep_head;
3489     DrawTextSCentered(ystart, font_head,
3490                       "for ideas and inspiration by");
3491     ystart += ystep_head;
3492     DrawTextSCentered(ystart, font_text,
3493                       "DX-Boulderdash");
3494   }
3495   else if (screen_nr == 6)
3496   {
3497     DrawTextSCentered(ystart, font_head,
3498                       "Thanks to");
3499     ystart += ystep_head;
3500     DrawTextSCentered(ystart, font_text,
3501                       "David Tritscher");
3502     ystart += ystep_head;
3503     DrawTextSCentered(ystart, font_head,
3504                       "for the code base used for the");
3505     ystart += ystep_line;
3506     DrawTextSCentered(ystart, font_head,
3507                       "native Emerald Mine engine");
3508   }
3509   else if (screen_nr == 7)
3510   {
3511     DrawTextSCentered(ystart, font_head,
3512                       "Thanks to");
3513     ystart += ystep_head;
3514     DrawTextSCentered(ystart, font_text,
3515                       "Guido Schulz");
3516     ystart += ystep_head;
3517     DrawTextSCentered(ystart, font_head,
3518                       "for the initial DOS port");
3519     ystart += ystep_para;
3520
3521     DrawTextSCentered(ystart, font_head,
3522                       "Thanks to");
3523     ystart += ystep_head;
3524     DrawTextSCentered(ystart, font_text,
3525                       "Karl H\xf6rnell");
3526     ystart += ystep_head;
3527     DrawTextSCentered(ystart, font_head,
3528                       "for some additional toons");
3529   }
3530   else if (screen_nr == 8)
3531   {
3532     DrawTextSCentered(ystart, font_head,
3533                       "And not to forget:");
3534     ystart += ystep_head;
3535     DrawTextSCentered(ystart, font_head,
3536                       "Many thanks to");
3537     ystart += ystep_head;
3538     DrawTextSCentered(ystart, font_text,
3539                       "All those who contributed");
3540     ystart += ystep_line;
3541     DrawTextSCentered(ystart, font_text,
3542                       "levels to this game");
3543     ystart += ystep_line;
3544     DrawTextSCentered(ystart, font_text,
3545                       "since 1995");
3546   }
3547
3548   DrawTextSCentered(ybottom, font_foot,
3549                     "Press any key or button for next page");
3550 }
3551
3552 static void DrawInfoScreen_Credits(void)
3553 {
3554   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3555
3556   FadeMenuSoundsAndMusic();
3557
3558   FadeOut(REDRAW_FIELD);
3559
3560   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3561
3562   FadeIn(REDRAW_FIELD);
3563 }
3564
3565 void HandleInfoScreen_Credits(int button)
3566 {
3567   static int screen_nr = 0;
3568   int num_screens = 9;
3569
3570   if (button == MB_MENU_INITIALIZE)
3571   {
3572     screen_nr = 0;
3573
3574     // DrawInfoScreen_CreditsScreen(screen_nr);
3575   }
3576
3577   if (button == MB_MENU_LEAVE)
3578   {
3579     PlaySound(SND_MENU_ITEM_SELECTING);
3580
3581     info_mode = INFO_MODE_MAIN;
3582     DrawInfoScreen();
3583
3584     return;
3585   }
3586   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3587   {
3588     if (button != MB_MENU_INITIALIZE)
3589     {
3590       PlaySound(SND_MENU_ITEM_SELECTING);
3591
3592       screen_nr++;
3593     }
3594
3595     if (screen_nr >= num_screens)
3596     {
3597       FadeMenuSoundsAndMusic();
3598
3599       info_mode = INFO_MODE_MAIN;
3600       DrawInfoScreen();
3601
3602       return;
3603     }
3604
3605     if (screen_nr > 0)
3606       FadeSetNextScreen();
3607
3608     if (button != MB_MENU_INITIALIZE)
3609       FadeOut(REDRAW_FIELD);
3610
3611     DrawInfoScreen_CreditsScreen(screen_nr);
3612
3613     if (button != MB_MENU_INITIALIZE)
3614       FadeIn(REDRAW_FIELD);
3615   }
3616   else
3617   {
3618     PlayMenuSoundIfLoop();
3619   }
3620 }
3621
3622 static void DrawInfoScreen_Program(void)
3623 {
3624   int font_title = MENU_INFO_FONT_TITLE;
3625   int font_head  = MENU_INFO_FONT_HEAD;
3626   int font_text  = MENU_INFO_FONT_TEXT;
3627   int font_foot  = MENU_INFO_FONT_FOOT;
3628   int spacing_title = menu.headline1_spacing_info[info_mode];
3629   int spacing_head  = menu.headline2_spacing_info[info_mode];
3630   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3631   int spacing_line  = menu.line_spacing_info[info_mode];
3632   int ystep_title = getMenuTextStep(spacing_title, font_title);
3633   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3634   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3635   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3636   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3637   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3638
3639   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3640
3641   FadeOut(REDRAW_FIELD);
3642
3643   ClearField();
3644   DrawHeadline();
3645
3646   DrawTextSCentered(ystart, font_title, "Program Information:");
3647   ystart += ystep_title;
3648
3649   DrawTextSCentered(ystart, font_head,
3650                     "This game is Freeware!");
3651   ystart += ystep_head;
3652   DrawTextSCentered(ystart, font_head,
3653                     "If you like it, send e-mail to:");
3654   ystart += ystep_head;
3655   DrawTextSCentered(ystart, font_text,
3656                     setup.internal.program_email);
3657   ystart += ystep_para;
3658
3659   DrawTextSCentered(ystart, font_head,
3660                     "More information and levels:");
3661   ystart += ystep_head;
3662   DrawTextSCentered(ystart, font_text,
3663                     setup.internal.program_website);
3664   ystart += ystep_para;
3665
3666   DrawTextSCentered(ystart, font_head,
3667                     "If you have created new levels,");
3668   ystart += ystep_line;
3669   DrawTextSCentered(ystart, font_head,
3670                     "send them to me to include them!");
3671   ystart += ystep_head;
3672   DrawTextSCentered(ystart, font_head,
3673                     ":-)");
3674
3675   DrawTextSCentered(ybottom, font_foot,
3676                     "Press any key or button for info menu");
3677
3678   FadeIn(REDRAW_FIELD);
3679 }
3680
3681 void HandleInfoScreen_Program(int button)
3682 {
3683   if (button == MB_MENU_LEAVE)
3684   {
3685     PlaySound(SND_MENU_ITEM_SELECTING);
3686
3687     info_mode = INFO_MODE_MAIN;
3688     DrawInfoScreen();
3689
3690     return;
3691   }
3692   else if (button == MB_MENU_CHOICE)
3693   {
3694     PlaySound(SND_MENU_ITEM_SELECTING);
3695
3696     FadeMenuSoundsAndMusic();
3697
3698     info_mode = INFO_MODE_MAIN;
3699     DrawInfoScreen();
3700   }
3701   else
3702   {
3703     PlayMenuSoundIfLoop();
3704   }
3705 }
3706
3707 static void DrawInfoScreen_Version(void)
3708 {
3709   int font_title = MENU_INFO_FONT_TITLE;
3710   int font_head  = MENU_INFO_FONT_HEAD;
3711   int font_text  = MENU_INFO_FONT_TEXT;
3712   int font_foot  = MENU_INFO_FONT_FOOT;
3713   int spacing_title = menu.headline1_spacing_info[info_mode];
3714   int spacing_head  = menu.headline2_spacing_info[info_mode];
3715   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3716   int spacing_line  = menu.line_spacing_info[info_mode];
3717   int xstep = getFontWidth(font_text);
3718   int ystep_title = getMenuTextStep(spacing_title, font_title);
3719   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3720   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3721   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3722   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3723   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3724   int xstart1 = mSX - SX + 2 * xstep;
3725   int xstart2 = mSX - SX + 18 * xstep;
3726   int xstart3 = mSX - SX + 28 * xstep;
3727   SDL_version sdl_version_compiled;
3728   const SDL_version *sdl_version_linked;
3729   int driver_name_len = 10;
3730   SDL_version sdl_version_linked_ext;
3731   const char *driver_name = NULL;
3732
3733   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3734
3735   FadeOut(REDRAW_FIELD);
3736
3737   ClearField();
3738   DrawHeadline();
3739
3740   DrawTextSCentered(ystart, font_title, "Version Information:");
3741   ystart += ystep_title;
3742
3743   DrawTextF(xstart1, ystart, font_head, "Name");
3744   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3745   ystart += ystep_line;
3746
3747   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3748   {
3749     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3750     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3751     ystart += ystep_line;
3752
3753     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3754     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3755     ystart += ystep_line;
3756   }
3757   else
3758   {
3759     DrawTextF(xstart1, ystart, font_head, "Version");
3760     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3761     ystart += ystep_line;
3762   }
3763
3764   DrawTextF(xstart1, ystart, font_head, "Platform");
3765   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3766             PLATFORM_STRING,
3767             PLATFORM_XX_BIT_STRING);
3768   ystart += ystep_line;
3769
3770   DrawTextF(xstart1, ystart, font_head, "Target");
3771   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3772   ystart += ystep_line;
3773
3774   DrawTextF(xstart1, ystart, font_head, "Source date");
3775   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3776   ystart += ystep_line;
3777
3778   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3779   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3780   ystart += ystep_para;
3781
3782   DrawTextF(xstart1, ystart, font_head, "Library");
3783   DrawTextF(xstart2, ystart, font_head, "compiled");
3784   DrawTextF(xstart3, ystart, font_head, "linked");
3785   ystart += ystep_head;
3786
3787   SDL_VERSION(&sdl_version_compiled);
3788   SDL_GetVersion(&sdl_version_linked_ext);
3789   sdl_version_linked = &sdl_version_linked_ext;
3790
3791   DrawTextF(xstart1, ystart, font_text, "SDL");
3792   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3793             sdl_version_compiled.major,
3794             sdl_version_compiled.minor,
3795             sdl_version_compiled.patch);
3796   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3797             sdl_version_linked->major,
3798             sdl_version_linked->minor,
3799             sdl_version_linked->patch);
3800   ystart += ystep_line;
3801
3802   SDL_IMAGE_VERSION(&sdl_version_compiled);
3803   sdl_version_linked = IMG_Linked_Version();
3804
3805   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3806   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3807             sdl_version_compiled.major,
3808             sdl_version_compiled.minor,
3809             sdl_version_compiled.patch);
3810   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3811             sdl_version_linked->major,
3812             sdl_version_linked->minor,
3813             sdl_version_linked->patch);
3814   ystart += ystep_line;
3815
3816   SDL_MIXER_VERSION(&sdl_version_compiled);
3817   sdl_version_linked = Mix_Linked_Version();
3818
3819   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3820   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3821             sdl_version_compiled.major,
3822             sdl_version_compiled.minor,
3823             sdl_version_compiled.patch);
3824   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3825             sdl_version_linked->major,
3826             sdl_version_linked->minor,
3827             sdl_version_linked->patch);
3828   ystart += ystep_line;
3829
3830   SDL_NET_VERSION(&sdl_version_compiled);
3831   sdl_version_linked = SDLNet_Linked_Version();
3832
3833   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3834   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3835             sdl_version_compiled.major,
3836             sdl_version_compiled.minor,
3837             sdl_version_compiled.patch);
3838   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3839             sdl_version_linked->major,
3840             sdl_version_linked->minor,
3841             sdl_version_linked->patch);
3842   ystart += ystep_para;
3843
3844   DrawTextF(xstart1, ystart, font_head, "Driver");
3845   DrawTextF(xstart2, ystart, font_head, "Requested");
3846   DrawTextF(xstart3, ystart, font_head, "Used");
3847   ystart += ystep_head;
3848
3849   driver_name =
3850     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3851
3852   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3853   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3854   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3855   ystart += ystep_line;
3856
3857   driver_name =
3858     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3859
3860   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3861   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3862   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3863   ystart += ystep_line;
3864
3865   driver_name =
3866     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3867
3868   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3869   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3870   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3871
3872   DrawTextSCentered(ybottom, font_foot,
3873                     "Press any key or button for info menu");
3874
3875   FadeIn(REDRAW_FIELD);
3876 }
3877
3878 void HandleInfoScreen_Version(int button)
3879 {
3880   if (button == MB_MENU_LEAVE)
3881   {
3882     PlaySound(SND_MENU_ITEM_SELECTING);
3883
3884     info_mode = INFO_MODE_MAIN;
3885     DrawInfoScreen();
3886
3887     return;
3888   }
3889   else if (button == MB_MENU_CHOICE)
3890   {
3891     PlaySound(SND_MENU_ITEM_SELECTING);
3892
3893     FadeMenuSoundsAndMusic();
3894
3895     info_mode = INFO_MODE_MAIN;
3896     DrawInfoScreen();
3897   }
3898   else
3899   {
3900     PlayMenuSoundIfLoop();
3901   }
3902 }
3903
3904 static void DrawInfoScreen_LevelSet(void)
3905 {
3906   struct TitleMessageInfo *tmi = &readme;
3907   char *filename = getLevelSetInfoFilename();
3908   char *title = "Level Set Information:";
3909   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3910   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3911
3912   if (filename == NULL)
3913   {
3914     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3915
3916     return;
3917   }
3918
3919   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3920
3921   FadeOut(REDRAW_FIELD);
3922
3923   ClearField();
3924   DrawHeadline();
3925
3926   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3927
3928   // if x position set to "-1", automatically determine by playfield width
3929   if (tmi->x == -1)
3930     tmi->x = SXSIZE / 2;
3931
3932   // if y position set to "-1", use static default value
3933   if (tmi->y == -1)
3934     tmi->y = 150;
3935
3936   // if width set to "-1", automatically determine by playfield width
3937   if (tmi->width == -1)
3938     tmi->width = SXSIZE - 2 * TILEX;
3939
3940   // if height set to "-1", automatically determine by playfield height
3941   if (tmi->height == -1)
3942     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3943
3944   // if chars set to "-1", automatically determine by text and font width
3945   if (tmi->chars == -1)
3946     tmi->chars = tmi->width / getFontWidth(tmi->font);
3947   else
3948     tmi->width = tmi->chars * getFontWidth(tmi->font);
3949
3950   // if lines set to "-1", automatically determine by text and font height
3951   if (tmi->lines == -1)
3952     tmi->lines = tmi->height / getFontHeight(tmi->font);
3953   else
3954     tmi->height = tmi->lines * getFontHeight(tmi->font);
3955
3956   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3957                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3958                tmi->autowrap, tmi->centered, tmi->parse_comments);
3959
3960   DrawTextSCentered(ybottom, FONT_TEXT_4,
3961                     "Press any key or button for info menu");
3962
3963   FadeIn(REDRAW_FIELD);
3964 }
3965
3966 static void HandleInfoScreen_LevelSet(int button)
3967 {
3968   if (button == MB_MENU_LEAVE)
3969   {
3970     PlaySound(SND_MENU_ITEM_SELECTING);
3971
3972     info_mode = INFO_MODE_MAIN;
3973     DrawInfoScreen();
3974
3975     return;
3976   }
3977   else if (button == MB_MENU_CHOICE)
3978   {
3979     PlaySound(SND_MENU_ITEM_SELECTING);
3980
3981     FadeMenuSoundsAndMusic();
3982
3983     info_mode = INFO_MODE_MAIN;
3984     DrawInfoScreen();
3985   }
3986   else
3987   {
3988     PlayMenuSoundIfLoop();
3989   }
3990 }
3991
3992 static void DrawInfoScreen(void)
3993 {
3994   if (info_mode == INFO_MODE_TITLE)
3995     DrawInfoScreen_TitleScreen();
3996   else if (info_mode == INFO_MODE_ELEMENTS)
3997     DrawInfoScreen_Elements();
3998   else if (info_mode == INFO_MODE_MUSIC)
3999     DrawInfoScreen_Music();
4000   else if (info_mode == INFO_MODE_CREDITS)
4001     DrawInfoScreen_Credits();
4002   else if (info_mode == INFO_MODE_PROGRAM)
4003     DrawInfoScreen_Program();
4004   else if (info_mode == INFO_MODE_VERSION)
4005     DrawInfoScreen_Version();
4006   else if (info_mode == INFO_MODE_LEVELSET)
4007     DrawInfoScreen_LevelSet();
4008   else
4009     DrawInfoScreen_Main();
4010
4011   if (info_mode != INFO_MODE_MAIN &&
4012       info_mode != INFO_MODE_TITLE &&
4013       info_mode != INFO_MODE_MUSIC)
4014     PlayMenuSoundsAndMusic();
4015 }
4016
4017 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4018 {
4019   if (info_mode == INFO_MODE_TITLE)
4020     HandleInfoScreen_TitleScreen(button);
4021   else if (info_mode == INFO_MODE_ELEMENTS)
4022     HandleInfoScreen_Elements(button);
4023   else if (info_mode == INFO_MODE_MUSIC)
4024     HandleInfoScreen_Music(button);
4025   else if (info_mode == INFO_MODE_CREDITS)
4026     HandleInfoScreen_Credits(button);
4027   else if (info_mode == INFO_MODE_PROGRAM)
4028     HandleInfoScreen_Program(button);
4029   else if (info_mode == INFO_MODE_VERSION)
4030     HandleInfoScreen_Version(button);
4031   else if (info_mode == INFO_MODE_LEVELSET)
4032     HandleInfoScreen_LevelSet(button);
4033   else
4034     HandleInfoScreen_Main(mx, my, dx, dy, button);
4035 }
4036
4037
4038 // ============================================================================
4039 // type name functions
4040 // ============================================================================
4041
4042 static TreeInfo *type_name_node = NULL;
4043 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4044 static int type_name_nr = 0;
4045
4046 static int getPlayerNameColor(char *name)
4047 {
4048   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4049 }
4050
4051 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4052                               boolean active)
4053 {
4054   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4055   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4056   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4057   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4058   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4059   int font_width = getFontWidth(font_nr);
4060
4061   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4062
4063   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4064
4065   pos->width = strlen(text) * font_width;
4066   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4067
4068   DrawText(sx, sy, text, font_nr);
4069 }
4070
4071 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4072 {
4073   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4074
4075   *pos = *mci->pos_input;
4076
4077   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4078   {
4079     TreeInfo *ti = player_name_current;
4080     int first_entry = ti->cl_first;
4081     int entry_pos = first_entry + ti->cl_cursor;
4082     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4083     int xpos = MENU_SCREEN_START_XPOS;
4084     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4085
4086     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4087     type_name_nr = entry_pos;
4088
4089     strcpy(name, type_name_node->name);
4090
4091     pos->x = xpos * 32;
4092     pos->y = ypos * 32;
4093     pos->width = MAX_PLAYER_NAME_LEN * 32;
4094   }
4095   else
4096   {
4097     type_name_nr = user.nr;
4098
4099     strcpy(name, setup.player_name);
4100   }
4101
4102   strcpy(type_name_last, name);
4103
4104   if (strEqual(name, EMPTY_PLAYER_NAME))
4105     strcpy(name, "");
4106
4107   *xpos = strlen(name);
4108 }
4109
4110 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4111 {
4112   // change name of edited user in global list of user names
4113   setString(&global.user_names[type_name_nr], name);
4114
4115   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4116   {
4117     TreeInfo *node = type_name_node;
4118
4119     // change name of edited user in local menu tree structure
4120     setString(&node->name, name);
4121     setString(&node->name_sorting, name);
4122
4123     node->color = getPlayerNameColor(name);
4124     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4125   }
4126 }
4127
4128 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4129                               boolean changed)
4130 {
4131   boolean reset_setup = strEqual(name, "");
4132   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4133   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4134
4135   if (!changed)
4136     strcpy(name, type_name_last);
4137
4138   if (strEqual(name, ""))
4139     strcpy(name, EMPTY_PLAYER_NAME);
4140
4141   setTypeNameValues_Name(name, pos);
4142
4143   // if player name not changed, no further action required
4144   if (strEqual(name, type_name_last))
4145     return;
4146
4147   // redraw player name before (possibly) opening request dialogs
4148   drawTypeNameText(name, pos, FALSE);
4149
4150   int last_user_nr = user.nr;
4151
4152   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4153   {
4154     // save setup of currently active user (may differ from edited user)
4155     SaveSetup();
4156
4157     // temporarily change active user to edited user
4158     user.nr = type_name_nr;
4159
4160     // load setup of edited user (unless creating user with current setup)
4161     if (!create_user ||
4162         !Request("Use current setup values for the new player?", REQ_ASK))
4163       LoadSetup();
4164   }
4165
4166   char *setup_filename = getSetupFilename();
4167   boolean setup_exists = fileExists(setup_filename);
4168
4169   // change name of edited user in setup structure
4170   strcpy(setup.player_name, name);
4171
4172   // save setup of edited user
4173   SaveSetup();
4174
4175   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4176   {
4177     if (reset_setup)
4178     {
4179       if (Request("Reset setup values for this player?", REQ_ASK))
4180       {
4181         // remove setup config file
4182         unlink(setup_filename);
4183
4184         // set player name to default player name
4185         LoadSetup();
4186
4187         // update player name used by name typing functions
4188         strcpy(name, setup.player_name);
4189
4190         setTypeNameValues_Name(name, pos);
4191       }
4192     }
4193     else if (remove_user && type_name_nr != 0)
4194     {
4195       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4196       {
4197         char *user_dir = getUserGameDataDir();
4198         char *user_dir_removed =
4199           getStringCat3WithSeparator(user_dir, "REMOVED",
4200                                      getCurrentTimestamp(), ".");
4201
4202         if (rename(user_dir, user_dir_removed) != 0)
4203           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4204
4205         checked_free(user_dir_removed);
4206       }
4207     }
4208     else if (create_user && type_name_nr != 0 && !setup_exists)
4209     {
4210       if (Request("Create empty level set for the new player?", REQ_ASK))
4211       {
4212         char *levelset_subdir = getNewUserLevelSubdir();
4213
4214         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4215         {
4216           AddUserLevelSetToLevelInfo(levelset_subdir);
4217
4218           LevelDirTree *leveldir_current_last = leveldir_current;
4219
4220           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4221                                                        levelset_subdir);
4222
4223           // set level number of newly created level set to default value
4224           LoadLevelSetup_SeriesInfo();
4225
4226           // set newly created level set as current level set for new user
4227           SaveLevelSetup_LastSeries();
4228           SaveLevelSetup_SeriesInfo();
4229
4230           leveldir_current = leveldir_current_last;
4231         }
4232         else
4233         {
4234           Request("Creating new level set failed!", REQ_CONFIRM);
4235         }
4236       }
4237     }
4238
4239     // restore currently active user
4240     user.nr = last_user_nr;
4241
4242     // restore setup of currently active user
4243     LoadSetup();
4244
4245     // restore last level set of currently active user
4246     LoadLevelSetup_LastSeries();
4247     LoadLevelSetup_SeriesInfo();
4248   }
4249 }
4250
4251 static void HandleTypeNameExt(boolean initialize, Key key)
4252 {
4253   static struct TextPosInfo pos_name = { 0 };
4254   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4255   static int xpos = 0;
4256   struct TextPosInfo *pos = &pos_name;
4257   char key_char = getValidConfigValueChar(getCharFromKey(key));
4258   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4259   boolean active = TRUE;
4260
4261   if (initialize)
4262   {
4263     getTypeNameValues(name, pos, &xpos);
4264
4265     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4266     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4267
4268     StartTextInput(sx, sy, pos->width, pos->height);
4269   }
4270   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4271   {
4272     name[xpos] = key_char;
4273     name[xpos + 1] = 0;
4274
4275     xpos++;
4276   }
4277   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4278   {
4279     xpos--;
4280
4281     name[xpos] = 0;
4282   }
4283   else if (key == KSYM_Return || key == KSYM_Escape)
4284   {
4285     boolean changed = (key == KSYM_Return);
4286
4287     StopTextInput();
4288
4289     setTypeNameValues(name, pos, changed);
4290
4291     active = FALSE;
4292   }
4293
4294   drawTypeNameText(name, pos, active);
4295
4296   if (!active)
4297   {
4298     SetGameStatus(game_status_last_screen);
4299
4300     if (game_status == GAME_MODE_MAIN)
4301       InitializeMainControls();
4302   }
4303 }
4304
4305 static void DrawTypeName(void)
4306 {
4307   HandleTypeNameExt(TRUE, 0);
4308 }
4309
4310 void HandleTypeName(Key key)
4311 {
4312   HandleTypeNameExt(FALSE, key);
4313 }
4314
4315
4316 // ============================================================================
4317 // tree menu functions
4318 // ============================================================================
4319
4320 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4321 {
4322   if (game_status != GAME_MODE_SETUP ||
4323       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4324     return 0;
4325
4326   int max_text_size = 0;
4327   TreeInfo *node;
4328
4329   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4330     max_text_size = MAX(max_text_size, strlen(node->name));
4331
4332   int num_entries = numTreeInfoInGroup(ti);
4333   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4334   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4335   int text_width = max_text_size * getFontWidth(font_nr);
4336   int button_width = SC_MENUBUTTON_XSIZE;
4337   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4338   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4339   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4340   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4341   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4342   int align_xoffset = MAX(0, align_xoffset_raw);
4343
4344   return align_xoffset;
4345 }
4346
4347 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4348 {
4349   if (game_status != GAME_MODE_SETUP ||
4350       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4351     return 0;
4352
4353   int num_entries = numTreeInfoInGroup(ti);
4354   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4355   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4356   int font_height = getFontHeight(font_nr);
4357   int text_height = font_height * num_page_entries;
4358   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4359   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4360   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4361   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4362   int align_yoffset = MAX(0, align_yoffset_raw);
4363
4364   return align_yoffset;
4365 }
4366
4367 static void DrawChooseTree(TreeInfo **ti_ptr)
4368 {
4369   int fade_mask = REDRAW_FIELD;
4370
4371   if (CheckFadeAll())
4372     fade_mask = REDRAW_ALL;
4373
4374   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4375   {
4376     if (game_status == GAME_MODE_SETUP)
4377     {
4378       execSetupArtwork();
4379     }
4380     else        // GAME_MODE_LEVELS
4381     {
4382       SetGameStatus(GAME_MODE_MAIN);
4383
4384       DrawMainMenu();
4385     }
4386
4387     return;
4388   }
4389
4390   UnmapAllGadgets();
4391
4392   FreeScreenGadgets();
4393   CreateScreenGadgets();
4394
4395   FadeOut(fade_mask);
4396
4397   // needed if different viewport properties defined for choosing level (set)
4398   ChangeViewportPropertiesIfNeeded();
4399
4400   if (game_status == GAME_MODE_NAMES)
4401     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4402   else if (game_status == GAME_MODE_LEVELNR)
4403     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4404   else if (game_status == GAME_MODE_LEVELS)
4405     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4406
4407   ClearField();
4408
4409   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4410
4411   MapScreenTreeGadgets(*ti_ptr);
4412   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4413
4414   DrawMaskedBorder(fade_mask);
4415
4416   FadeIn(fade_mask);
4417 }
4418
4419 static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
4420 {
4421   int num_entries = numTreeInfoInGroup(ti);
4422   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4423   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4424   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4425   int first_entry = ti->cl_first;
4426   int entry_pos = first_entry + y;
4427   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4428   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4429   int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
4430   int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
4431   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4432   int xpos = MENU_SCREEN_START_XPOS;
4433   int ypos = MENU_SCREEN_START_YPOS + y;
4434   int startx = amSX + xpos * 32;
4435   int starty = amSY + ypos * 32;
4436   int startx_text = startx + font_xoffset;
4437   int endx_text = amSX + screen_width;
4438   int max_text_size = endx_text - startx_text;
4439   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4440   char buffer[max_buffer_len + 1];
4441
4442   strncpy(buffer, node->name, max_buffer_len);
4443   buffer[max_buffer_len] = '\0';
4444
4445   DrawText(startx, starty, buffer, font_nr);
4446 }
4447
4448 static void drawChooseTreeList(int first_entry, int num_page_entries,
4449                                TreeInfo *ti)
4450 {
4451   int i;
4452   char *title_string = NULL;
4453   int yoffset_sets = MENU_TITLE1_YPOS;
4454   int yoffset_setup = 16;
4455   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4456                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4457
4458   title_string = ti->infotext;
4459
4460   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4461
4462   clearMenuListArea();
4463
4464   for (i = 0; i < num_page_entries; i++)
4465   {
4466     TreeInfo *node, *node_first;
4467     int entry_pos = first_entry + i;
4468
4469     node_first = getTreeInfoFirstGroupEntry(ti);
4470     node = getTreeInfoFromPos(node_first, entry_pos);
4471
4472     drawChooseTreeText(i, FALSE, ti);
4473
4474     if (node->parent_link)
4475       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4476     else if (node->level_group)
4477       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4478     else
4479       initCursor(i, IMG_MENU_BUTTON);
4480
4481     if (game_status == GAME_MODE_NAMES)
4482       drawChooseTreeEdit(i, FALSE);
4483   }
4484
4485   redraw_mask |= REDRAW_FIELD;
4486 }
4487
4488 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4489 {
4490   TreeInfo *node, *node_first;
4491   int x, last_redraw_mask = redraw_mask;
4492   int ypos = MENU_TITLE2_YPOS;
4493   int font_nr = FONT_TITLE_2;
4494
4495   if (ti->type == TREE_TYPE_LEVEL_NR)
4496     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4497
4498   if (ti->type != TREE_TYPE_LEVEL_DIR)
4499     return;
4500
4501   node_first = getTreeInfoFirstGroupEntry(ti);
4502   node = getTreeInfoFromPos(node_first, entry_pos);
4503
4504   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4505
4506   if (node->parent_link)
4507     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4508                       node->node_parent->name);
4509   else if (node->level_group)
4510     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4511                       node->name);
4512   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4513     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4514                       node->levels, (node->levels > 1 ? "levels" : "level"),
4515                       node->class_desc);
4516
4517   // let BackToFront() redraw only what is needed
4518   redraw_mask = last_redraw_mask;
4519   for (x = 0; x < SCR_FIELDX; x++)
4520     MarkTileDirty(x, 1);
4521 }
4522
4523 static void drawChooseTreeCursorAndText(int y, boolean active, TreeInfo *ti)
4524 {
4525   drawChooseTreeCursor(y, active);
4526   drawChooseTreeText(y, active, ti);
4527 }
4528
4529 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4530                              TreeInfo **ti_ptr)
4531 {
4532   TreeInfo *ti = *ti_ptr;
4533   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4534   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4535   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4536   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4537   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4538   int x = 0;
4539   int y = ti->cl_cursor;
4540   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4541   int num_entries = numTreeInfoInGroup(ti);
4542   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4543   boolean position_set_by_scrollbar = (dx == 999);
4544
4545   if (button == MB_MENU_INITIALIZE)
4546   {
4547     int num_entries = numTreeInfoInGroup(ti);
4548     int entry_pos = getPosFromTreeInfo(ti);
4549
4550     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4551     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4552
4553     if (ti->cl_first == -1)
4554     {
4555       // only on initialization
4556       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4557       ti->cl_cursor = entry_pos - ti->cl_first;
4558     }
4559     else if (ti->cl_cursor >= num_page_entries ||
4560              (num_entries > num_page_entries &&
4561               num_entries - ti->cl_first < num_page_entries))
4562     {
4563       // only after change of list size (by custom graphic configuration)
4564       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4565       ti->cl_cursor = entry_pos - ti->cl_first;
4566     }
4567
4568     if (position_set_by_scrollbar)
4569       ti->cl_first = dy;
4570     else
4571       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4572                                 ti->cl_first, ti);
4573
4574     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4575     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4576     drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4577
4578     return;
4579   }
4580   else if (button == MB_MENU_LEAVE)
4581   {
4582     FadeSetLeaveMenu();
4583
4584     PlaySound(SND_MENU_ITEM_SELECTING);
4585
4586     if (ti->node_parent)
4587     {
4588       *ti_ptr = ti->node_parent;
4589       DrawChooseTree(ti_ptr);
4590     }
4591     else if (game_status == GAME_MODE_SETUP)
4592     {
4593       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4594           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4595           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4596         execSetupGame();
4597       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4598                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4599                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4600                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4601         execSetupGraphics();
4602       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4603                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4604                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4605         execSetupSound();
4606       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4607                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4608                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4609                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4610                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4611                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4612                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4613                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4614         execSetupTouch();
4615       else
4616         execSetupArtwork();
4617     }
4618     else
4619     {
4620       if (game_status == GAME_MODE_LEVELNR)
4621       {
4622         int new_level_nr = atoi(level_number_current->identifier);
4623
4624         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4625       }
4626
4627       SetGameStatus(GAME_MODE_MAIN);
4628
4629       DrawMainMenu();
4630     }
4631
4632     return;
4633   }
4634
4635   if (mx || my)         // mouse input
4636   {
4637     x = (mx - amSX) / 32;
4638     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4639
4640     if (game_status == GAME_MODE_NAMES)
4641       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4642   }
4643   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4644   {
4645     // move cursor instead of scrolling when already at start/end of list
4646     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4647       dy = -1;
4648     else if (dy == +1 * SCROLL_LINE &&
4649              ti->cl_first + num_page_entries == num_entries)
4650       dy = 1;
4651
4652     // handle scrolling screen one line or page
4653     if (ti->cl_cursor + dy < 0 ||
4654         ti->cl_cursor + dy > num_page_entries - 1)
4655     {
4656       boolean redraw = FALSE;
4657
4658       if (ABS(dy) == SCROLL_PAGE)
4659         step = num_page_entries - 1;
4660
4661       if (dy < 0 && ti->cl_first > 0)
4662       {
4663         // scroll page/line up
4664
4665         ti->cl_first -= step;
4666         if (ti->cl_first < 0)
4667           ti->cl_first = 0;
4668
4669         redraw = TRUE;
4670       }
4671       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4672       {
4673         // scroll page/line down
4674
4675         ti->cl_first += step;
4676         if (ti->cl_first + num_page_entries > num_entries)
4677           ti->cl_first = MAX(0, num_entries - num_page_entries);
4678
4679         redraw = TRUE;
4680       }
4681
4682       if (redraw)
4683       {
4684         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4685         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4686         drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4687
4688         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4689                                   ti->cl_first, ti);
4690       }
4691
4692       return;
4693     }
4694
4695     // handle moving cursor one line
4696     y = ti->cl_cursor + dy;
4697   }
4698
4699   if (dx == 1)
4700   {
4701     TreeInfo *node_first, *node_cursor;
4702     int entry_pos = ti->cl_first + y;
4703
4704     node_first = getTreeInfoFirstGroupEntry(ti);
4705     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4706
4707     if (node_cursor->node_group)
4708     {
4709       FadeSetEnterMenu();
4710
4711       PlaySound(SND_MENU_ITEM_SELECTING);
4712
4713       node_cursor->cl_first = ti->cl_first;
4714       node_cursor->cl_cursor = ti->cl_cursor;
4715       *ti_ptr = node_cursor->node_group;
4716       DrawChooseTree(ti_ptr);
4717
4718       return;
4719     }
4720   }
4721   else if (dx == -1 && ti->node_parent)
4722   {
4723     FadeSetLeaveMenu();
4724
4725     PlaySound(SND_MENU_ITEM_SELECTING);
4726
4727     *ti_ptr = ti->node_parent;
4728     DrawChooseTree(ti_ptr);
4729
4730     return;
4731   }
4732
4733   if (!anyScrollbarGadgetActive() &&
4734       IN_VIS_MENU(x, y) &&
4735       mx < mx_right_border &&
4736       y >= 0 && y < num_page_entries)
4737   {
4738     if (button)
4739     {
4740       if (game_status == GAME_MODE_NAMES)
4741       {
4742         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4743           drawChooseTreeEdit(y, TRUE);
4744       }
4745
4746       if (y != ti->cl_cursor)
4747       {
4748         PlaySound(SND_MENU_ITEM_ACTIVATING);
4749
4750         drawChooseTreeCursorAndText(ti->cl_cursor, FALSE, ti);
4751         drawChooseTreeCursorAndText(y, TRUE, ti);
4752         drawChooseTreeInfo(ti->cl_first + y, ti);
4753
4754         ti->cl_cursor = y;
4755       }
4756       else if (dx < 0)
4757       {
4758         if (game_status == GAME_MODE_SETUP)
4759         {
4760           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4761               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4762               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4763             execSetupGame();
4764           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4765                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4766                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4767                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4768             execSetupGraphics();
4769           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4770                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4771                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4772             execSetupSound();
4773           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4774                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4775                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4776                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4777                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4778                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4779                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4780                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4781             execSetupTouch();
4782           else
4783             execSetupArtwork();
4784         }
4785       }
4786     }
4787     else
4788     {
4789       TreeInfo *node_first, *node_cursor;
4790       int entry_pos = ti->cl_first + y;
4791
4792       PlaySound(SND_MENU_ITEM_SELECTING);
4793
4794       node_first = getTreeInfoFirstGroupEntry(ti);
4795       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4796
4797       if (node_cursor->node_group)
4798       {
4799         FadeSetEnterMenu();
4800
4801         node_cursor->cl_first = ti->cl_first;
4802         node_cursor->cl_cursor = ti->cl_cursor;
4803         *ti_ptr = node_cursor->node_group;
4804         DrawChooseTree(ti_ptr);
4805       }
4806       else if (node_cursor->parent_link)
4807       {
4808         FadeSetLeaveMenu();
4809
4810         *ti_ptr = node_cursor->node_parent;
4811         DrawChooseTree(ti_ptr);
4812       }
4813       else
4814       {
4815         FadeSetEnterMenu();
4816
4817         node_cursor->cl_first = ti->cl_first;
4818         node_cursor->cl_cursor = ti->cl_cursor;
4819         *ti_ptr = node_cursor;
4820
4821         if (ti->type == TREE_TYPE_LEVEL_DIR)
4822         {
4823           LoadLevelSetup_SeriesInfo();
4824
4825           SaveLevelSetup_LastSeries();
4826           SaveLevelSetup_SeriesInfo();
4827           TapeErase();
4828         }
4829
4830         if (game_status == GAME_MODE_SETUP)
4831         {
4832           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4833               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4834               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4835             execSetupGame();
4836           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4837                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4838                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4839                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4840             execSetupGraphics();
4841           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4842                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4843                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4844             execSetupSound();
4845           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4846                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4847                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4848                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4849                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4850                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4851                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4852                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4853             execSetupTouch();
4854           else
4855             execSetupArtwork();
4856         }
4857         else
4858         {
4859           if (game_status == GAME_MODE_LEVELNR)
4860           {
4861             int new_level_nr = atoi(level_number_current->identifier);
4862
4863             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4864           }
4865           else if (game_status == GAME_MODE_LEVELS)
4866           {
4867             // store level set if chosen from "last played level set" menu
4868             StoreLastPlayedLevels(leveldir_current);
4869           }
4870           else if (game_status == GAME_MODE_NAMES)
4871           {
4872             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4873             {
4874               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4875
4876               DrawTypeName();
4877
4878               return;
4879             }
4880
4881             // change active user to selected user
4882             user.nr = entry_pos;
4883
4884             // save number of new active user
4885             SaveUserSetup();
4886
4887             // load setup of new active user
4888             LoadSetup();
4889
4890             // load last level set of new active user
4891             LoadLevelSetup_LastSeries();
4892             LoadLevelSetup_SeriesInfo();
4893
4894             // update list of last played level sets
4895             UpdateLastPlayedLevels_TreeInfo();
4896
4897             TapeErase();
4898
4899             ToggleFullscreenIfNeeded();
4900             ChangeWindowScalingIfNeeded();
4901
4902             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4903             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4904             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4905           }
4906
4907           SetGameStatus(GAME_MODE_MAIN);
4908
4909           DrawMainMenu();
4910         }
4911       }
4912     }
4913   }
4914 }
4915
4916 void DrawChoosePlayerName(void)
4917 {
4918   int i;
4919
4920   FadeMenuSoundsAndMusic();
4921
4922   if (player_name != NULL)
4923   {
4924     freeTreeInfo(player_name);
4925
4926     player_name = NULL;
4927   }
4928
4929   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4930   {
4931     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
4932     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4933     int value = i;
4934
4935     ti->node_top = &player_name;
4936     ti->sort_priority = 10000 + value;
4937     ti->color = getPlayerNameColor(global.user_names[i]);
4938
4939     snprintf(identifier, sizeof(identifier), "%d", value);
4940     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4941
4942     setString(&ti->identifier, identifier);
4943     setString(&ti->name, name);
4944     setString(&ti->name_sorting, name);
4945
4946     pushTreeInfo(&player_name, ti);
4947   }
4948
4949   // sort player entries by player number
4950   sortTreeInfo(&player_name);
4951
4952   // set current player entry to selected player entry
4953   player_name_current =
4954     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4955
4956   // if that fails, set current player name to first available name
4957   if (player_name_current == NULL)
4958     player_name_current = player_name;
4959
4960   DrawChooseTree(&player_name_current);
4961
4962   PlayMenuSoundsAndMusic();
4963 }
4964
4965 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4966 {
4967   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4968 }
4969
4970 void DrawChooseLevelSet(void)
4971 {
4972   FadeMenuSoundsAndMusic();
4973
4974   DrawChooseTree(&leveldir_current);
4975
4976   PlayMenuSoundsAndMusic();
4977 }
4978
4979 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4980 {
4981   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4982 }
4983
4984 void DrawChooseLevelNr(void)
4985 {
4986   int i;
4987
4988   FadeMenuSoundsAndMusic();
4989
4990   if (level_number != NULL)
4991   {
4992     freeTreeInfo(level_number);
4993
4994     level_number = NULL;
4995   }
4996
4997   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4998   {
4999     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5000     char identifier[32], name[64];
5001     int value = i;
5002
5003     // temporarily load level info to get level name
5004     LoadLevelInfoOnly(i);
5005
5006     ti->node_top = &level_number;
5007     ti->sort_priority = 10000 + value;
5008     ti->color = (level.no_level_file ? FC_BLUE :
5009                  LevelStats_getSolved(i) ? FC_GREEN :
5010                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5011
5012     snprintf(identifier, sizeof(identifier), "%d", value);
5013     snprintf(name, sizeof(name), "%03d: %s", value,
5014              (level.no_level_file ? "(no file)" : level.name));
5015
5016     setString(&ti->identifier, identifier);
5017     setString(&ti->name, name);
5018     setString(&ti->name_sorting, name);
5019
5020     pushTreeInfo(&level_number, ti);
5021   }
5022
5023   // sort level number values to start with lowest level number
5024   sortTreeInfo(&level_number);
5025
5026   // set current level number to current level number
5027   level_number_current =
5028     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5029
5030   // if that also fails, set current level number to first available level
5031   if (level_number_current == NULL)
5032     level_number_current = level_number;
5033
5034   DrawChooseTree(&level_number_current);
5035
5036   PlayMenuSoundsAndMusic();
5037 }
5038
5039 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5040 {
5041   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5042 }
5043
5044 void DrawHallOfFame(int level_nr)
5045 {
5046   int fade_mask = REDRAW_FIELD;
5047
5048   if (CheckFadeAll())
5049     fade_mask = REDRAW_ALL;
5050
5051   UnmapAllGadgets();
5052   FadeMenuSoundsAndMusic();
5053
5054   // (this is needed when called from GameEnd() after winning a game)
5055   KeyboardAutoRepeatOn();
5056
5057   // (this is needed when called from GameEnd() after winning a game)
5058   SetDrawDeactivationMask(REDRAW_NONE);
5059   SetDrawBackgroundMask(REDRAW_FIELD);
5060
5061   LoadLocalAndServerScore(level_nr, TRUE);
5062
5063   if (scores.last_added >= 0)
5064     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5065
5066   FadeSetEnterScreen();
5067
5068   FadeOut(fade_mask);
5069
5070   // needed if different viewport properties defined for scores
5071   ChangeViewportPropertiesIfNeeded();
5072
5073   PlayMenuSoundsAndMusic();
5074
5075   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5076
5077   HandleHallOfFame(level_nr, 0, 0, 0, MB_MENU_INITIALIZE);
5078
5079   DrawMaskedBorder(fade_mask);
5080
5081   FadeIn(fade_mask);
5082 }
5083
5084 static int getHallOfFameFirstEntry(int first_entry, int step)
5085 {
5086   if (step == 0)
5087     first_entry = scores.last_added - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5088   else
5089     first_entry += step;
5090
5091   if (first_entry < 0)
5092     first_entry = 0;
5093   else if (first_entry > MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN)
5094     first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5095
5096   return first_entry;
5097 }
5098
5099 static char *getHallOfFameScoreText(int nr)
5100 {
5101   if (!level.rate_time_over_score)
5102     return int2str(scores.entry[nr].score, 5);  // show normal score
5103
5104   if (level.use_step_counter)
5105     return int2str(scores.entry[nr].time, 5);   // show number of steps
5106
5107   static char score_text[10];
5108   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5109   int mm = (time_seconds / 60) % 60;
5110   int ss = (time_seconds % 60);
5111
5112   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5113
5114   return score_text;
5115 }
5116
5117 static void drawHallOfFameList(int level_nr, int first_entry)
5118 {
5119   int i, j;
5120
5121   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5122   ClearField();
5123
5124   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5125   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5126                     "HighScores of Level %d", level_nr);
5127
5128   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5129   {
5130     int entry = first_entry + i;
5131     boolean active = (entry == scores.last_added);
5132     boolean forced = (scores.force_last_added && active);
5133     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5134     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5135     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5136     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5137     int dxoff = getFontDrawOffsetX(font_nr1);
5138     int dx1 = 3 * getFontWidth(font_nr1);
5139     int dx2 = dx1 + getFontWidth(font_nr1);
5140     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5141     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5142     int sy = mSY + 64 + i * 32;
5143     char *pos_text = (forced ? "???" : int2str(entry + 1, 3));
5144
5145     DrawText(mSX, sy, pos_text, font_nr1);
5146     DrawText(mSX + dx1, sy, ".", font_nr1);
5147
5148     for (j = 0; j < num_dots; j++)
5149       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5150
5151     if (!strEqual(scores.entry[entry].name, EMPTY_PLAYER_NAME))
5152       DrawText(mSX + dx2, sy, scores.entry[entry].name, font_nr2);
5153
5154     DrawText(mSX + dx3, sy, getHallOfFameScoreText(entry), font_nr4);
5155   }
5156
5157   redraw_mask |= REDRAW_FIELD;
5158 }
5159
5160 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5161 {
5162   static int level_nr = 0;
5163   static int first_entry = 0;
5164   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5165
5166   if (button == MB_MENU_INITIALIZE)
5167   {
5168     level_nr = mx;
5169
5170     if (server_scores.updated)
5171     {
5172       // reload scores, using updated server score cache file
5173       LoadLocalAndServerScore(level_nr, FALSE);
5174
5175       server_scores.updated = FALSE;
5176     }
5177
5178     first_entry = getHallOfFameFirstEntry(0, 0);
5179
5180     drawHallOfFameList(level_nr, first_entry);
5181
5182     return;
5183   }
5184
5185   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5186     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5187
5188   if (dy < 0)
5189   {
5190     first_entry = getHallOfFameFirstEntry(first_entry, -step);
5191
5192     drawHallOfFameList(level_nr, first_entry);
5193   }
5194   else if (dy > 0)
5195   {
5196     first_entry = getHallOfFameFirstEntry(first_entry, step);
5197
5198     drawHallOfFameList(level_nr, first_entry);
5199   }
5200   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5201   {
5202     PlaySound(SND_MENU_ITEM_SELECTING);
5203
5204     FadeSound(SND_BACKGROUND_SCORES);
5205
5206     if (button == MB_MENU_CHOICE &&
5207         game_status_last_screen == GAME_MODE_PLAYING &&
5208         setup.auto_play_next_level && setup.increment_levels &&
5209         level_nr < leveldir_current->last_level &&
5210         !network_playing)
5211     {
5212       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5213     }
5214     else
5215     {
5216       SetGameStatus(GAME_MODE_MAIN);
5217
5218       DrawMainMenu();
5219     }
5220   }
5221   else if (server_scores.updated)
5222   {
5223     // reload scores, using updated server score cache file
5224     LoadLocalAndServerScore(level_nr, FALSE);
5225
5226     server_scores.updated = FALSE;
5227
5228     first_entry = getHallOfFameFirstEntry(0, 0);
5229
5230     drawHallOfFameList(level_nr, first_entry);
5231   }
5232
5233   if (game_status == GAME_MODE_SCORES)
5234     PlayMenuSoundIfLoop();
5235 }
5236
5237
5238 // ============================================================================
5239 // setup screen functions
5240 // ============================================================================
5241
5242 static struct TokenInfo *setup_info;
5243 static int num_setup_info;      // number of setup entries shown on screen
5244 static int max_setup_info;      // total number of setup entries in list
5245
5246 static char *window_size_text;
5247 static char *scaling_type_text;
5248 static char *rendering_mode_text;
5249 static char *vsync_mode_text;
5250 static char *scroll_delay_text;
5251 static char *snapshot_mode_text;
5252 static char *game_speed_text;
5253 static char *network_server_text;
5254 static char *graphics_set_name;
5255 static char *sounds_set_name;
5256 static char *music_set_name;
5257 static char *volume_simple_text;
5258 static char *volume_loops_text;
5259 static char *volume_music_text;
5260 static char *touch_controls_text;
5261 static char *move_distance_text;
5262 static char *drop_distance_text;
5263 static char *transparency_text;
5264 static char *grid_size_text[2][2];
5265
5266 static void execSetupMain(void)
5267 {
5268   setup_mode = SETUP_MODE_MAIN;
5269
5270   DrawSetupScreen();
5271 }
5272
5273 static void execSetupGame_setGameSpeeds(boolean update_value)
5274 {
5275   if (setup.game_speed_extended)
5276   {
5277     game_speeds_list = game_speeds_list_extended;
5278     game_speeds      = game_speeds_extended;
5279   }
5280   else
5281   {
5282     game_speeds_list = game_speeds_list_normal;
5283     game_speeds      = game_speeds_normal;
5284   }
5285
5286   if (game_speeds == NULL)
5287   {
5288     int i;
5289
5290     for (i = 0; game_speeds_list[i].value != -1; i++)
5291     {
5292       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5293       char identifier[32], name[32];
5294       int value = game_speeds_list[i].value;
5295       char *text = game_speeds_list[i].text;
5296
5297       ti->node_top = &game_speeds;
5298       ti->sort_priority = 10000 - value;
5299
5300       sprintf(identifier, "%d", value);
5301       sprintf(name, "%s", text);
5302
5303       setString(&ti->identifier, identifier);
5304       setString(&ti->name, name);
5305       setString(&ti->name_sorting, name);
5306       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5307
5308       pushTreeInfo(&game_speeds, ti);
5309     }
5310
5311     // sort game speed values to start with slowest game speed
5312     sortTreeInfo(&game_speeds);
5313
5314     update_value = TRUE;
5315   }
5316
5317   if (update_value)
5318   {
5319     // set current game speed to configured game speed value
5320     game_speed_current =
5321       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5322
5323     // if that fails, set current game speed to reliable default value
5324     if (game_speed_current == NULL)
5325       game_speed_current =
5326         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5327
5328     // if that also fails, set current game speed to first available speed
5329     if (game_speed_current == NULL)
5330       game_speed_current = game_speeds;
5331
5332     if (setup.game_speed_extended)
5333       game_speeds_extended = game_speeds;
5334     else
5335       game_speeds_normal = game_speeds;
5336   }
5337
5338   setup.game_frame_delay = atoi(game_speed_current->identifier);
5339
5340   // needed for displaying game speed text instead of identifier
5341   game_speed_text = game_speed_current->name;
5342 }
5343
5344 static void execSetupGame_setScrollDelays(void)
5345 {
5346   if (scroll_delays == NULL)
5347   {
5348     int i;
5349
5350     for (i = 0; scroll_delays_list[i].value != -1; i++)
5351     {
5352       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5353       char identifier[32], name[32];
5354       int value = scroll_delays_list[i].value;
5355       char *text = scroll_delays_list[i].text;
5356
5357       ti->node_top = &scroll_delays;
5358       ti->sort_priority = value;
5359
5360       sprintf(identifier, "%d", value);
5361       sprintf(name, "%s", text);
5362
5363       setString(&ti->identifier, identifier);
5364       setString(&ti->name, name);
5365       setString(&ti->name_sorting, name);
5366       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5367
5368       pushTreeInfo(&scroll_delays, ti);
5369     }
5370
5371     // sort scroll delay values to start with lowest scroll delay value
5372     sortTreeInfo(&scroll_delays);
5373
5374     // set current scroll delay value to configured scroll delay value
5375     scroll_delay_current =
5376       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5377
5378     // if that fails, set current scroll delay to reliable default value
5379     if (scroll_delay_current == NULL)
5380       scroll_delay_current =
5381         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5382
5383     // if that also fails, set current scroll delay to first available value
5384     if (scroll_delay_current == NULL)
5385       scroll_delay_current = scroll_delays;
5386   }
5387
5388   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5389
5390   // needed for displaying scroll delay text instead of identifier
5391   scroll_delay_text = scroll_delay_current->name;
5392 }
5393
5394 static void execSetupGame_setSnapshotModes(void)
5395 {
5396   if (snapshot_modes == NULL)
5397   {
5398     int i;
5399
5400     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5401     {
5402       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5403       char identifier[32], name[32];
5404       char *value = snapshot_modes_list[i].value;
5405       char *text = snapshot_modes_list[i].text;
5406
5407       ti->node_top = &snapshot_modes;
5408       ti->sort_priority = i;
5409
5410       sprintf(identifier, "%s", value);
5411       sprintf(name, "%s", text);
5412
5413       setString(&ti->identifier, identifier);
5414       setString(&ti->name, name);
5415       setString(&ti->name_sorting, name);
5416       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5417
5418       pushTreeInfo(&snapshot_modes, ti);
5419     }
5420
5421     // sort snapshot mode values to start with lowest snapshot mode value
5422     sortTreeInfo(&snapshot_modes);
5423
5424     // set current snapshot mode value to configured snapshot mode value
5425     snapshot_mode_current =
5426       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5427
5428     // if that fails, set current snapshot mode to reliable default value
5429     if (snapshot_mode_current == NULL)
5430       snapshot_mode_current =
5431         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5432
5433     // if that also fails, set current snapshot mode to first available value
5434     if (snapshot_mode_current == NULL)
5435       snapshot_mode_current = snapshot_modes;
5436   }
5437
5438   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5439
5440   // needed for displaying snapshot mode text instead of identifier
5441   snapshot_mode_text = snapshot_mode_current->name;
5442 }
5443
5444 static void execSetupGame_setNetworkServerText(void)
5445 {
5446   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5447   {
5448     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5449   }
5450   else
5451   {
5452     strncpy(network_server_hostname, setup.network_server_hostname,
5453             MAX_SETUP_TEXT_INPUT_LEN);
5454     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5455   }
5456
5457   // needed for displaying network server text instead of identifier
5458   network_server_text = network_server_hostname;
5459 }
5460
5461 static void execSetupGame(void)
5462 {
5463   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5464
5465   execSetupGame_setGameSpeeds(FALSE);
5466   execSetupGame_setScrollDelays();
5467   execSetupGame_setSnapshotModes();
5468
5469   execSetupGame_setNetworkServerText();
5470
5471   setup_mode = SETUP_MODE_GAME;
5472
5473   DrawSetupScreen();
5474
5475   // check if vsync needs to be disabled for this game speed to work
5476   if (check_vsync_mode)
5477     DisableVsyncIfNeeded();
5478 }
5479
5480 static void execSetupChooseGameSpeed(void)
5481 {
5482   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5483
5484   DrawSetupScreen();
5485 }
5486
5487 static void execSetupChooseScrollDelay(void)
5488 {
5489   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5490
5491   DrawSetupScreen();
5492 }
5493
5494 static void execSetupChooseSnapshotMode(void)
5495 {
5496   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5497
5498   DrawSetupScreen();
5499 }
5500
5501 static void execSetupEngines(void)
5502 {
5503   setup_mode = SETUP_MODE_ENGINES;
5504
5505   DrawSetupScreen();
5506 }
5507
5508 static void execSetupEditor(void)
5509 {
5510   setup_mode = SETUP_MODE_EDITOR;
5511
5512   DrawSetupScreen();
5513 }
5514
5515 static void execSetupGraphics_setWindowSizes(boolean update_list)
5516 {
5517   if (window_sizes != NULL && update_list)
5518   {
5519     freeTreeInfo(window_sizes);
5520
5521     window_sizes = NULL;
5522   }
5523
5524   if (window_sizes == NULL)
5525   {
5526     boolean current_window_size_found = FALSE;
5527     int i;
5528
5529     for (i = 0; window_sizes_list[i].value != -1; i++)
5530     {
5531       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5532       char identifier[32], name[32];
5533       int value = window_sizes_list[i].value;
5534       char *text = window_sizes_list[i].text;
5535
5536       ti->node_top = &window_sizes;
5537       ti->sort_priority = value;
5538
5539       sprintf(identifier, "%d", value);
5540       sprintf(name, "%s", text);
5541
5542       setString(&ti->identifier, identifier);
5543       setString(&ti->name, name);
5544       setString(&ti->name_sorting, name);
5545       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5546
5547       pushTreeInfo(&window_sizes, ti);
5548
5549       if (value == setup.window_scaling_percent)
5550         current_window_size_found = TRUE;
5551     }
5552
5553     if (!current_window_size_found)
5554     {
5555       // add entry for non-preset window scaling value
5556
5557       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5558       char identifier[32], name[32];
5559       int value = setup.window_scaling_percent;
5560
5561       ti->node_top = &window_sizes;
5562       ti->sort_priority = value;
5563
5564       sprintf(identifier, "%d", value);
5565       sprintf(name, "%d %% (Current)", value);
5566
5567       setString(&ti->identifier, identifier);
5568       setString(&ti->name, name);
5569       setString(&ti->name_sorting, name);
5570       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5571
5572       pushTreeInfo(&window_sizes, ti);
5573     }
5574
5575     // sort window size values to start with lowest window size value
5576     sortTreeInfo(&window_sizes);
5577
5578     // set current window size value to configured window size value
5579     window_size_current =
5580       getTreeInfoFromIdentifier(window_sizes,
5581                                 i_to_a(setup.window_scaling_percent));
5582
5583     // if that fails, set current window size to reliable default value
5584     if (window_size_current == NULL)
5585       window_size_current =
5586         getTreeInfoFromIdentifier(window_sizes,
5587                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5588
5589     // if that also fails, set current window size to first available value
5590     if (window_size_current == NULL)
5591       window_size_current = window_sizes;
5592   }
5593
5594   setup.window_scaling_percent = atoi(window_size_current->identifier);
5595
5596   // needed for displaying window size text instead of identifier
5597   window_size_text = window_size_current->name;
5598 }
5599
5600 static void execSetupGraphics_setScalingTypes(void)
5601 {
5602   if (scaling_types == NULL)
5603   {
5604     int i;
5605
5606     for (i = 0; scaling_types_list[i].value != NULL; i++)
5607     {
5608       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5609       char identifier[32], name[32];
5610       char *value = scaling_types_list[i].value;
5611       char *text = scaling_types_list[i].text;
5612
5613       ti->node_top = &scaling_types;
5614       ti->sort_priority = i;
5615
5616       sprintf(identifier, "%s", value);
5617       sprintf(name, "%s", text);
5618
5619       setString(&ti->identifier, identifier);
5620       setString(&ti->name, name);
5621       setString(&ti->name_sorting, name);
5622       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5623
5624       pushTreeInfo(&scaling_types, ti);
5625     }
5626
5627     // sort scaling type values to start with lowest scaling type value
5628     sortTreeInfo(&scaling_types);
5629
5630     // set current scaling type value to configured scaling type value
5631     scaling_type_current =
5632       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5633
5634     // if that fails, set current scaling type to reliable default value
5635     if (scaling_type_current == NULL)
5636       scaling_type_current =
5637         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5638
5639     // if that also fails, set current scaling type to first available value
5640     if (scaling_type_current == NULL)
5641       scaling_type_current = scaling_types;
5642   }
5643
5644   setup.window_scaling_quality = scaling_type_current->identifier;
5645
5646   // needed for displaying scaling type text instead of identifier
5647   scaling_type_text = scaling_type_current->name;
5648 }
5649
5650 static void execSetupGraphics_setRenderingModes(void)
5651 {
5652   if (rendering_modes == NULL)
5653   {
5654     int i;
5655
5656     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5657     {
5658       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5659       char identifier[32], name[32];
5660       char *value = rendering_modes_list[i].value;
5661       char *text = rendering_modes_list[i].text;
5662
5663       ti->node_top = &rendering_modes;
5664       ti->sort_priority = i;
5665
5666       sprintf(identifier, "%s", value);
5667       sprintf(name, "%s", text);
5668
5669       setString(&ti->identifier, identifier);
5670       setString(&ti->name, name);
5671       setString(&ti->name_sorting, name);
5672       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5673
5674       pushTreeInfo(&rendering_modes, ti);
5675     }
5676
5677     // sort rendering mode values to start with lowest rendering mode value
5678     sortTreeInfo(&rendering_modes);
5679
5680     // set current rendering mode value to configured rendering mode value
5681     rendering_mode_current =
5682       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5683
5684     // if that fails, set current rendering mode to reliable default value
5685     if (rendering_mode_current == NULL)
5686       rendering_mode_current =
5687         getTreeInfoFromIdentifier(rendering_modes,
5688                                   STR_SPECIAL_RENDERING_DEFAULT);
5689
5690     // if that also fails, set current rendering mode to first available one
5691     if (rendering_mode_current == NULL)
5692       rendering_mode_current = rendering_modes;
5693   }
5694
5695   setup.screen_rendering_mode = rendering_mode_current->identifier;
5696
5697   // needed for displaying rendering mode text instead of identifier
5698   rendering_mode_text = rendering_mode_current->name;
5699 }
5700
5701 static void execSetupGraphics_setVsyncModes(boolean update_value)
5702 {
5703   if (vsync_modes == NULL)
5704   {
5705     int i;
5706
5707     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5708     {
5709       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5710       char identifier[32], name[32];
5711       char *value = vsync_modes_list[i].value;
5712       char *text = vsync_modes_list[i].text;
5713
5714       ti->node_top = &vsync_modes;
5715       ti->sort_priority = i;
5716
5717       sprintf(identifier, "%s", value);
5718       sprintf(name, "%s", text);
5719
5720       setString(&ti->identifier, identifier);
5721       setString(&ti->name, name);
5722       setString(&ti->name_sorting, name);
5723       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5724
5725       pushTreeInfo(&vsync_modes, ti);
5726     }
5727
5728     // sort vsync mode values to start with lowest vsync mode value
5729     sortTreeInfo(&vsync_modes);
5730
5731     update_value = TRUE;
5732   }
5733
5734   if (update_value)
5735   {
5736     // set current vsync mode value to configured vsync mode value
5737     vsync_mode_current =
5738       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5739
5740     // if that fails, set current vsync mode to reliable default value
5741     if (vsync_mode_current == NULL)
5742       vsync_mode_current =
5743         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5744
5745     // if that also fails, set current vsync mode to first available one
5746     if (vsync_mode_current == NULL)
5747       vsync_mode_current = vsync_modes;
5748   }
5749
5750   setup.vsync_mode = vsync_mode_current->identifier;
5751
5752   // needed for displaying vsync mode text instead of identifier
5753   vsync_mode_text = vsync_mode_current->name;
5754 }
5755
5756 static void execSetupGraphics(void)
5757 {
5758   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5759
5760   // update "setup.window_scaling_percent" from list selection
5761   // (in this case, window scaling was changed on setup screen)
5762   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5763     execSetupGraphics_setWindowSizes(FALSE);
5764
5765   // update "setup.vsync_mode" from list selection
5766   // (in this case, vsync mode was changed on setup screen)
5767   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5768     execSetupGraphics_setVsyncModes(FALSE);
5769
5770   // update list selection from "setup.window_scaling_percent"
5771   // (window scaling may have changed by resizing the window)
5772   execSetupGraphics_setWindowSizes(TRUE);
5773
5774   // update list selection from "setup.vsync_mode"
5775   // (vsync_mode may have changed by re-creating the renderer)
5776   execSetupGraphics_setVsyncModes(TRUE);
5777
5778   execSetupGraphics_setScalingTypes();
5779   execSetupGraphics_setRenderingModes();
5780
5781   setup_mode = SETUP_MODE_GRAPHICS;
5782
5783   DrawSetupScreen();
5784
5785   // check if game speed is high enough for 60 Hz vsync to work
5786   if (check_game_speed)
5787     ModifyGameSpeedIfNeeded();
5788
5789   // window scaling may have changed at this point
5790   ChangeWindowScalingIfNeeded();
5791
5792   // window scaling quality may have changed at this point
5793   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5794     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5795
5796   // screen rendering mode may have changed at this point
5797   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5798
5799   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5800   int video_vsync_mode = video.vsync_mode;
5801
5802   // screen vsync mode may have changed at this point
5803   ChangeVsyncModeIfNeeded();
5804
5805   // check if setting vsync mode to selected value failed
5806   if (setup_vsync_mode != video_vsync_mode &&
5807       setup_vsync_mode != video.vsync_mode)
5808   {
5809     // changing vsync mode to selected value failed -- reset displayed value
5810     execSetupGraphics_setVsyncModes(TRUE);
5811
5812     Request("Setting VSync failed!", REQ_CONFIRM);
5813
5814     DrawSetupScreen();
5815   }
5816 }
5817
5818 static void execSetupChooseWindowSize(void)
5819 {
5820   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5821
5822   DrawSetupScreen();
5823 }
5824
5825 static void execSetupChooseScalingType(void)
5826 {
5827   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5828
5829   DrawSetupScreen();
5830 }
5831
5832 static void execSetupChooseRenderingMode(void)
5833 {
5834   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5835
5836   DrawSetupScreen();
5837 }
5838
5839 static void execSetupChooseVsyncMode(void)
5840 {
5841   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5842
5843   DrawSetupScreen();
5844 }
5845
5846 static void execSetupChooseVolumeSimple(void)
5847 {
5848   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5849
5850   DrawSetupScreen();
5851 }
5852
5853 static void execSetupChooseVolumeLoops(void)
5854 {
5855   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5856
5857   DrawSetupScreen();
5858 }
5859
5860 static void execSetupChooseVolumeMusic(void)
5861 {
5862   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5863
5864   DrawSetupScreen();
5865 }
5866
5867 static void execSetupSound(void)
5868 {
5869   if (volumes_simple == NULL)
5870   {
5871     boolean current_volume_simple_found = FALSE;
5872     int i;
5873
5874     for (i = 0; volumes_list[i].value != -1; i++)
5875     {
5876       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5877       char identifier[32], name[32];
5878       int value = volumes_list[i].value;
5879       char *text = volumes_list[i].text;
5880
5881       ti->node_top = &volumes_simple;
5882       ti->sort_priority = value;
5883
5884       sprintf(identifier, "%d", value);
5885       sprintf(name, "%s", text);
5886
5887       setString(&ti->identifier, identifier);
5888       setString(&ti->name, name);
5889       setString(&ti->name_sorting, name);
5890       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5891
5892       pushTreeInfo(&volumes_simple, ti);
5893
5894       if (value == setup.volume_simple)
5895         current_volume_simple_found = TRUE;
5896     }
5897
5898     if (!current_volume_simple_found)
5899     {
5900       // add entry for non-preset volume value
5901
5902       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5903       char identifier[32], name[32];
5904       int value = setup.volume_simple;
5905
5906       ti->node_top = &volumes_simple;
5907       ti->sort_priority = value;
5908
5909       sprintf(identifier, "%d", value);
5910       sprintf(name, "%d %% (Current)", value);
5911
5912       setString(&ti->identifier, identifier);
5913       setString(&ti->name, name);
5914       setString(&ti->name_sorting, name);
5915       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5916
5917       pushTreeInfo(&volumes_simple, ti);
5918     }
5919
5920     // sort volume values to start with lowest volume value
5921     sortTreeInfo(&volumes_simple);
5922
5923     // set current volume value to configured volume value
5924     volume_simple_current =
5925       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5926
5927     // if that fails, set current volume to reliable default value
5928     if (volume_simple_current == NULL)
5929       volume_simple_current =
5930         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5931
5932     // if that also fails, set current volume to first available value
5933     if (volume_simple_current == NULL)
5934       volume_simple_current = volumes_simple;
5935   }
5936
5937   if (volumes_loops == NULL)
5938   {
5939     boolean current_volume_loops_found = FALSE;
5940     int i;
5941
5942     for (i = 0; volumes_list[i].value != -1; i++)
5943     {
5944       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5945       char identifier[32], name[32];
5946       int value = volumes_list[i].value;
5947       char *text = volumes_list[i].text;
5948
5949       ti->node_top = &volumes_loops;
5950       ti->sort_priority = value;
5951
5952       sprintf(identifier, "%d", value);
5953       sprintf(name, "%s", text);
5954
5955       setString(&ti->identifier, identifier);
5956       setString(&ti->name, name);
5957       setString(&ti->name_sorting, name);
5958       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5959
5960       pushTreeInfo(&volumes_loops, ti);
5961
5962       if (value == setup.volume_loops)
5963         current_volume_loops_found = TRUE;
5964     }
5965
5966     if (!current_volume_loops_found)
5967     {
5968       // add entry for non-preset volume value
5969
5970       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5971       char identifier[32], name[32];
5972       int value = setup.volume_loops;
5973
5974       ti->node_top = &volumes_loops;
5975       ti->sort_priority = value;
5976
5977       sprintf(identifier, "%d", value);
5978       sprintf(name, "%d %% (Current)", value);
5979
5980       setString(&ti->identifier, identifier);
5981       setString(&ti->name, name);
5982       setString(&ti->name_sorting, name);
5983       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5984
5985       pushTreeInfo(&volumes_loops, ti);
5986     }
5987
5988     // sort volume values to start with lowest volume value
5989     sortTreeInfo(&volumes_loops);
5990
5991     // set current volume value to configured volume value
5992     volume_loops_current =
5993       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5994
5995     // if that fails, set current volume to reliable default value
5996     if (volume_loops_current == NULL)
5997       volume_loops_current =
5998         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5999
6000     // if that also fails, set current volume to first available value
6001     if (volume_loops_current == NULL)
6002       volume_loops_current = volumes_loops;
6003   }
6004
6005   if (volumes_music == NULL)
6006   {
6007     boolean current_volume_music_found = FALSE;
6008     int i;
6009
6010     for (i = 0; volumes_list[i].value != -1; i++)
6011     {
6012       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6013       char identifier[32], name[32];
6014       int value = volumes_list[i].value;
6015       char *text = volumes_list[i].text;
6016
6017       ti->node_top = &volumes_music;
6018       ti->sort_priority = value;
6019
6020       sprintf(identifier, "%d", value);
6021       sprintf(name, "%s", text);
6022
6023       setString(&ti->identifier, identifier);
6024       setString(&ti->name, name);
6025       setString(&ti->name_sorting, name);
6026       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6027
6028       pushTreeInfo(&volumes_music, ti);
6029
6030       if (value == setup.volume_music)
6031         current_volume_music_found = TRUE;
6032     }
6033
6034     if (!current_volume_music_found)
6035     {
6036       // add entry for non-preset volume value
6037
6038       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6039       char identifier[32], name[32];
6040       int value = setup.volume_music;
6041
6042       ti->node_top = &volumes_music;
6043       ti->sort_priority = value;
6044
6045       sprintf(identifier, "%d", value);
6046       sprintf(name, "%d %% (Current)", value);
6047
6048       setString(&ti->identifier, identifier);
6049       setString(&ti->name, name);
6050       setString(&ti->name_sorting, name);
6051       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6052
6053       pushTreeInfo(&volumes_music, ti);
6054     }
6055
6056     // sort volume values to start with lowest volume value
6057     sortTreeInfo(&volumes_music);
6058
6059     // set current volume value to configured volume value
6060     volume_music_current =
6061       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6062
6063     // if that fails, set current volume to reliable default value
6064     if (volume_music_current == NULL)
6065       volume_music_current =
6066         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6067
6068     // if that also fails, set current volume to first available value
6069     if (volume_music_current == NULL)
6070       volume_music_current = volumes_music;
6071   }
6072
6073   setup.volume_simple = atoi(volume_simple_current->identifier);
6074   setup.volume_loops  = atoi(volume_loops_current->identifier);
6075   setup.volume_music  = atoi(volume_music_current->identifier);
6076
6077   // needed for displaying volume text instead of identifier
6078   volume_simple_text = volume_simple_current->name;
6079   volume_loops_text = volume_loops_current->name;
6080   volume_music_text = volume_music_current->name;
6081
6082   setup_mode = SETUP_MODE_SOUND;
6083
6084   DrawSetupScreen();
6085 }
6086
6087 static void execSetupChooseTouchControls(void)
6088 {
6089   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6090
6091   DrawSetupScreen();
6092 }
6093
6094 static void execSetupChooseMoveDistance(void)
6095 {
6096   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6097
6098   DrawSetupScreen();
6099 }
6100
6101 static void execSetupChooseDropDistance(void)
6102 {
6103   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6104
6105   DrawSetupScreen();
6106 }
6107
6108 static void execSetupChooseTransparency(void)
6109 {
6110   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6111
6112   DrawSetupScreen();
6113 }
6114
6115 static void execSetupChooseGridXSize_0(void)
6116 {
6117   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6118
6119   DrawSetupScreen();
6120 }
6121
6122 static void execSetupChooseGridYSize_0(void)
6123 {
6124   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6125
6126   DrawSetupScreen();
6127 }
6128
6129 static void execSetupChooseGridXSize_1(void)
6130 {
6131   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6132
6133   DrawSetupScreen();
6134 }
6135
6136 static void execSetupChooseGridYSize_1(void)
6137 {
6138   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6139
6140   DrawSetupScreen();
6141 }
6142
6143 static void execSetupConfigureVirtualButtons(void)
6144 {
6145   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6146
6147   ConfigureVirtualButtons();
6148
6149   setup_mode = SETUP_MODE_TOUCH;
6150
6151   DrawSetupScreen();
6152 }
6153
6154 static void execSetupTouch(void)
6155 {
6156   int i, j, k;
6157
6158   if (touch_controls == NULL)
6159   {
6160     for (i = 0; touch_controls_list[i].value != NULL; i++)
6161     {
6162       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6163       char identifier[32], name[32];
6164       char *value = touch_controls_list[i].value;
6165       char *text = touch_controls_list[i].text;
6166
6167       ti->node_top = &touch_controls;
6168       ti->sort_priority = i;
6169
6170       sprintf(identifier, "%s", value);
6171       sprintf(name, "%s", text);
6172
6173       setString(&ti->identifier, identifier);
6174       setString(&ti->name, name);
6175       setString(&ti->name_sorting, name);
6176       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6177
6178       pushTreeInfo(&touch_controls, ti);
6179     }
6180
6181     // sort touch control values to start with lowest touch control value
6182     sortTreeInfo(&touch_controls);
6183
6184     // set current touch control value to configured touch control value
6185     touch_control_current =
6186       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6187
6188     // if that fails, set current touch control to reliable default value
6189     if (touch_control_current == NULL)
6190       touch_control_current =
6191         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6192
6193     // if that also fails, set current touch control to first available value
6194     if (touch_control_current == NULL)
6195       touch_control_current = touch_controls;
6196   }
6197
6198   if (move_distances == NULL)
6199   {
6200     for (i = 0; distances_list[i].value != -1; i++)
6201     {
6202       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6203       char identifier[32], name[32];
6204       int value = distances_list[i].value;
6205       char *text = distances_list[i].text;
6206
6207       ti->node_top = &move_distances;
6208       ti->sort_priority = value;
6209
6210       sprintf(identifier, "%d", value);
6211       sprintf(name, "%s", text);
6212
6213       setString(&ti->identifier, identifier);
6214       setString(&ti->name, name);
6215       setString(&ti->name_sorting, name);
6216       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6217
6218       pushTreeInfo(&move_distances, ti);
6219     }
6220
6221     // sort distance values to start with lowest distance value
6222     sortTreeInfo(&move_distances);
6223
6224     // set current distance value to configured distance value
6225     move_distance_current =
6226       getTreeInfoFromIdentifier(move_distances,
6227                                 i_to_a(setup.touch.move_distance));
6228
6229     // if that fails, set current distance to reliable default value
6230     if (move_distance_current == NULL)
6231       move_distance_current =
6232         getTreeInfoFromIdentifier(move_distances,
6233                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6234
6235     // if that also fails, set current distance to first available value
6236     if (move_distance_current == NULL)
6237       move_distance_current = move_distances;
6238   }
6239
6240   if (drop_distances == NULL)
6241   {
6242     for (i = 0; distances_list[i].value != -1; i++)
6243     {
6244       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6245       char identifier[32], name[32];
6246       int value = distances_list[i].value;
6247       char *text = distances_list[i].text;
6248
6249       ti->node_top = &drop_distances;
6250       ti->sort_priority = value;
6251
6252       sprintf(identifier, "%d", value);
6253       sprintf(name, "%s", text);
6254
6255       setString(&ti->identifier, identifier);
6256       setString(&ti->name, name);
6257       setString(&ti->name_sorting, name);
6258       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6259
6260       pushTreeInfo(&drop_distances, ti);
6261     }
6262
6263     // sort distance values to start with lowest distance value
6264     sortTreeInfo(&drop_distances);
6265
6266     // set current distance value to configured distance value
6267     drop_distance_current =
6268       getTreeInfoFromIdentifier(drop_distances,
6269                                 i_to_a(setup.touch.drop_distance));
6270
6271     // if that fails, set current distance to reliable default value
6272     if (drop_distance_current == NULL)
6273       drop_distance_current =
6274         getTreeInfoFromIdentifier(drop_distances,
6275                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6276
6277     // if that also fails, set current distance to first available value
6278     if (drop_distance_current == NULL)
6279       drop_distance_current = drop_distances;
6280   }
6281
6282   if (transparencies == NULL)
6283   {
6284     for (i = 0; transparencies_list[i].value != -1; i++)
6285     {
6286       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6287       char identifier[32], name[32];
6288       int value = transparencies_list[i].value;
6289       char *text = transparencies_list[i].text;
6290
6291       ti->node_top = &transparencies;
6292       ti->sort_priority = value;
6293
6294       sprintf(identifier, "%d", value);
6295       sprintf(name, "%s", text);
6296
6297       setString(&ti->identifier, identifier);
6298       setString(&ti->name, name);
6299       setString(&ti->name_sorting, name);
6300       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6301
6302       pushTreeInfo(&transparencies, ti);
6303     }
6304
6305     // sort transparency values to start with lowest transparency value
6306     sortTreeInfo(&transparencies);
6307
6308     // set current transparency value to configured transparency value
6309     transparency_current =
6310       getTreeInfoFromIdentifier(transparencies,
6311                                 i_to_a(setup.touch.transparency));
6312
6313     // if that fails, set current transparency to reliable default value
6314     if (transparency_current == NULL)
6315       transparency_current =
6316         getTreeInfoFromIdentifier(transparencies,
6317                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6318
6319     // if that also fails, set current transparency to first available value
6320     if (transparency_current == NULL)
6321       transparency_current = transparencies;
6322   }
6323
6324   for (i = 0; i < 2; i++)
6325   {
6326     for (j = 0; j < 2; j++)
6327     {
6328       if (grid_sizes[i][j] == NULL)
6329       {
6330         for (k = 0; grid_sizes_list[k].value != -1; k++)
6331         {
6332           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6333           char identifier[32], name[32];
6334           int value = grid_sizes_list[k].value;
6335           char *text = grid_sizes_list[k].text;
6336
6337           ti->node_top = &grid_sizes[i][j];
6338           ti->sort_priority = value;
6339
6340           sprintf(identifier, "%d", value);
6341           sprintf(name, "%s", text);
6342
6343           setString(&ti->identifier, identifier);
6344           setString(&ti->name, name);
6345           setString(&ti->name_sorting, name);
6346           setString(&ti->infotext,
6347                     (i == 0 ?
6348                      (j == 0 ?
6349                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6350                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6351                      (j == 0 ?
6352                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6353                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6354
6355           pushTreeInfo(&grid_sizes[i][j], ti);
6356         }
6357
6358         // sort grid size values to start with lowest grid size value
6359         sortTreeInfo(&grid_sizes[i][j]);
6360
6361         // set current grid size value to configured grid size value
6362         grid_size_current[i][j] =
6363           getTreeInfoFromIdentifier(grid_sizes[i][j],
6364                                     i_to_a(j == 0 ?
6365                                            setup.touch.grid_xsize[i] :
6366                                            setup.touch.grid_ysize[i]));
6367
6368         // if that fails, set current grid size to reliable default value
6369         if (grid_size_current[i][j] == NULL)
6370           grid_size_current[i][j] =
6371             getTreeInfoFromIdentifier(grid_sizes[i][j],
6372                                       i_to_a(j == 0 ?
6373                                              DEFAULT_GRID_XSIZE(i) :
6374                                              DEFAULT_GRID_YSIZE(i)));
6375
6376         // if that also fails, set current grid size to first available value
6377         if (grid_size_current[i][j] == NULL)
6378           grid_size_current[i][j] = grid_sizes[i][j];
6379       }
6380     }
6381   }
6382
6383   setup.touch.control_type = touch_control_current->identifier;
6384   setup.touch.move_distance = atoi(move_distance_current->identifier);
6385   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6386   setup.touch.transparency = atoi(transparency_current->identifier);
6387
6388   for (i = 0; i < 2; i++)
6389   {
6390     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6391     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6392
6393     if (i == GRID_ACTIVE_NR())
6394     {
6395       overlay.grid_xsize = setup.touch.grid_xsize[i];
6396       overlay.grid_ysize = setup.touch.grid_ysize[i];
6397     }
6398   }
6399
6400   // needed for displaying value text instead of identifier
6401   touch_controls_text = touch_control_current->name;
6402   move_distance_text = move_distance_current->name;
6403   drop_distance_text = drop_distance_current->name;
6404   transparency_text = transparency_current->name;
6405
6406   for (i = 0; i < 2; i++)
6407     for (j = 0; j < 2; j++)
6408       grid_size_text[i][j] = grid_size_current[i][j]->name;
6409
6410   setup_mode = SETUP_MODE_TOUCH;
6411
6412   DrawSetupScreen();
6413 }
6414
6415 static void execSetupArtwork(void)
6416 {
6417   static ArtworkDirTree *gfx_last_valid = NULL;
6418   static ArtworkDirTree *snd_last_valid = NULL;
6419   static ArtworkDirTree *mus_last_valid = NULL;
6420
6421   // current artwork directory may be invalid (level group, parent link)
6422   if (!validLevelSeries(artwork.gfx_current))
6423     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6424   if (!validLevelSeries(artwork.snd_current))
6425     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6426   if (!validLevelSeries(artwork.mus_current))
6427     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6428
6429   // store valid artwork directory information
6430   gfx_last_valid = artwork.gfx_current;
6431   snd_last_valid = artwork.snd_current;
6432   mus_last_valid = artwork.mus_current;
6433
6434 #if 0
6435   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6436         artwork.gfx_current->subdir,
6437         artwork.gfx_current->fullpath,
6438         artwork.gfx_current->basepath);
6439 #endif
6440
6441   setup.graphics_set = artwork.gfx_current->identifier;
6442   setup.sounds_set = artwork.snd_current->identifier;
6443   setup.music_set = artwork.mus_current->identifier;
6444
6445   // needed if last screen (setup choice) changed graphics, sounds or music
6446   ReloadCustomArtwork(0);
6447
6448   // needed for displaying artwork name instead of artwork identifier
6449   graphics_set_name = artwork.gfx_current->name;
6450   sounds_set_name = artwork.snd_current->name;
6451   music_set_name = artwork.mus_current->name;
6452
6453   setup_mode = SETUP_MODE_ARTWORK;
6454
6455   DrawSetupScreen();
6456 }
6457
6458 static void execSetupChooseGraphics(void)
6459 {
6460   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6461
6462   DrawSetupScreen();
6463 }
6464
6465 static void execSetupChooseSounds(void)
6466 {
6467   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6468
6469   DrawSetupScreen();
6470 }
6471
6472 static void execSetupChooseMusic(void)
6473 {
6474   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6475
6476   DrawSetupScreen();
6477 }
6478
6479 static void execSetupInput(void)
6480 {
6481   setup_mode = SETUP_MODE_INPUT;
6482
6483   DrawSetupScreen();
6484 }
6485
6486 static void execSetupShortcuts(void)
6487 {
6488   setup_mode = SETUP_MODE_SHORTCUTS;
6489
6490   DrawSetupScreen();
6491 }
6492
6493 static void execSetupShortcuts1(void)
6494 {
6495   setup_mode = SETUP_MODE_SHORTCUTS_1;
6496
6497   DrawSetupScreen();
6498 }
6499
6500 static void execSetupShortcuts2(void)
6501 {
6502   setup_mode = SETUP_MODE_SHORTCUTS_2;
6503
6504   DrawSetupScreen();
6505 }
6506
6507 static void execSetupShortcuts3(void)
6508 {
6509   setup_mode = SETUP_MODE_SHORTCUTS_3;
6510
6511   DrawSetupScreen();
6512 }
6513
6514 static void execSetupShortcuts4(void)
6515 {
6516   setup_mode = SETUP_MODE_SHORTCUTS_4;
6517
6518   DrawSetupScreen();
6519 }
6520
6521 static void execSetupShortcuts5(void)
6522 {
6523   setup_mode = SETUP_MODE_SHORTCUTS_5;
6524
6525   DrawSetupScreen();
6526 }
6527
6528 static void execExitSetup(void)
6529 {
6530   SetGameStatus(GAME_MODE_MAIN);
6531
6532   DrawMainMenu();
6533 }
6534
6535 static void execSaveAndExitSetup(void)
6536 {
6537   SaveSetup();
6538   execExitSetup();
6539 }
6540
6541 static void execGadgetNetworkServer(void)
6542 {
6543   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6544   struct GadgetInfo *gi = screen_gadget[gadget_id];
6545
6546   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6547     network_server_hostname[0] = '\0';
6548
6549   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6550
6551   MapGadget(gi);
6552
6553   ClickOnGadget(gi, MB_LEFTBUTTON);
6554 }
6555
6556 static void ToggleNetworkModeIfNeeded(void)
6557 {
6558   int font_title = FONT_TITLE_1;
6559   int font_foot = FC_BLUE;
6560   int ystart  = mSY - SY + 16;
6561   int ybottom = mSY - SY + SYSIZE - 20;
6562   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6563
6564   if (setup.network_mode == network.enabled)
6565     return;
6566
6567   network.enabled = setup.network_mode;
6568
6569   FadeOut(REDRAW_ALL);
6570
6571   ClearField();
6572
6573   DrawTextSCentered(ystart, font_title, text);
6574
6575   FadeIn(REDRAW_ALL);
6576
6577   if (network.enabled)
6578     InitNetworkServer();
6579   else
6580     DisconnectFromNetworkServer();
6581
6582   DrawTextSCentered(ybottom, font_foot,
6583                     "Press any key or button for setup menu");
6584
6585   WaitForEventToContinue();
6586
6587   DrawSetupScreen();
6588 }
6589
6590 static void ToggleGameSpeedsListIfNeeded(void)
6591 {
6592   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6593
6594   if (setup.game_speed_extended == using_game_speeds_extended)
6595     return;
6596
6597   // try to match similar values when changing game speeds list
6598   if (setup.game_speed_extended)
6599     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6600                               setup.game_frame_delay == 30 ? 29 :
6601                               setup.game_frame_delay);
6602   else
6603     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6604                               setup.game_frame_delay == 16 ? 15 :
6605                               setup.game_frame_delay >= 29 ? 30 :
6606                               setup.game_frame_delay <= 10 ? 10 :
6607                               setup.game_frame_delay);
6608
6609   execSetupGame_setGameSpeeds(TRUE);
6610
6611   DrawSetupScreen();
6612 }
6613
6614 static void ModifyGameSpeedIfNeeded(void)
6615 {
6616   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6617       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6618     return;
6619
6620   char message[100];
6621   char *game_speed_text = "Fast";
6622   int game_speed_value = 15;
6623
6624   if (setup.game_speed_extended)
6625   {
6626     game_speed_text = "60 fps";
6627     game_speed_value = 16;
6628   }
6629
6630   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6631
6632   // set game speed to existing list value that is fast enough for vsync
6633   setup.game_frame_delay = game_speed_value;
6634
6635   execSetupGame_setGameSpeeds(TRUE);
6636
6637   Request(message, REQ_CONFIRM);
6638 }
6639
6640 static void DisableVsyncIfNeeded(void)
6641 {
6642   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6643       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6644        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6645     return;
6646
6647   // disable vsync for the selected game speed to work
6648   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6649
6650   execSetupGraphics_setVsyncModes(TRUE);
6651
6652   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6653 }
6654
6655 static struct
6656 {
6657   void *value;
6658   void *related_value;
6659 } hide_related_entry_list[] =
6660 {
6661   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6662   { &setup.game_frame_delay,            &game_speed_text                },
6663
6664   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6665   { &setup.scroll_delay_value,          &scroll_delay_text              },
6666
6667   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6668   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6669
6670   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6671   { &setup.window_scaling_percent,      &window_size_text               },
6672
6673   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6674   { &setup.window_scaling_quality,      &scaling_type_text              },
6675
6676   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6677   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6678
6679   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6680   { &setup.vsync_mode,                  &vsync_mode_text                },
6681
6682   { &setup.graphics_set,                execSetupChooseGraphics         },
6683   { &setup.graphics_set,                &graphics_set_name              },
6684
6685   { &setup.sounds_set,                  execSetupChooseSounds           },
6686   { &setup.sounds_set,                  &sounds_set_name                },
6687
6688   { &setup.music_set,                   execSetupChooseMusic            },
6689   { &setup.music_set,                   &music_set_name                 },
6690
6691   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6692   { &setup.volume_simple,               &volume_simple_text             },
6693
6694   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6695   { &setup.volume_loops,                &volume_loops_text              },
6696
6697   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6698   { &setup.volume_music,                &volume_music_text              },
6699
6700   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6701   { &setup.touch.control_type,          &touch_controls_text            },
6702
6703   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6704   { &setup.touch.move_distance,         &move_distance_text             },
6705
6706   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6707   { &setup.touch.drop_distance,         &drop_distance_text             },
6708
6709   { &setup.touch.transparency,          execSetupChooseTransparency     },
6710   { &setup.touch.transparency,          &transparency_text              },
6711
6712   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6713   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6714
6715   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6716   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6717
6718   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6719   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6720
6721   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6722   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6723
6724   { &setup.internal.menu_game,          execSetupGame                   },
6725   { &setup.internal.menu_engines,       execSetupEngines                },
6726   { &setup.internal.menu_editor,        execSetupEditor                 },
6727   { &setup.internal.menu_graphics,      execSetupGraphics               },
6728   { &setup.internal.menu_sound,         execSetupSound                  },
6729   { &setup.internal.menu_artwork,       execSetupArtwork                },
6730   { &setup.internal.menu_input,         execSetupInput                  },
6731   { &setup.internal.menu_touch,         execSetupTouch                  },
6732   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6733   { &setup.internal.menu_exit,          execExitSetup                   },
6734   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6735
6736   { NULL,                               NULL                            }
6737 };
6738
6739 void setHideRelatedSetupEntries(void)
6740 {
6741   int i;
6742
6743   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6744     if (hideSetupEntry(hide_related_entry_list[i].value))
6745       setHideSetupEntry(hide_related_entry_list[i].related_value);
6746 }
6747
6748 static struct TokenInfo setup_info_main[] =
6749 {
6750   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6751   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6752   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6753   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6754   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6755   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6756   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6757   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6758   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6759   { TYPE_EMPTY,         NULL,                   ""                      },
6760   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6761   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6762
6763   { 0,                  NULL,                   NULL                    }
6764 };
6765
6766 static struct TokenInfo setup_info_game[] =
6767 {
6768   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6769   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6770   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6771   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6772   { TYPE_STRING,        &network_server_text,   ""                      },
6773   { TYPE_SWITCH,        &setup.api_server,      "Use Highscore Server:" },
6774   { TYPE_SWITCH,        &setup.only_show_local_scores, "Only Show Local Scores:" },
6775   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6776   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6777   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6778   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6779   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6780   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6781   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6782   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6783   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6784   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6785   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
6786   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
6787   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6788   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6789   { TYPE_STRING,        &game_speed_text,       ""                      },
6790   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6791 #if 1
6792   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6793   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6794 #endif
6795   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6796   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6797   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
6798   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
6799   { TYPE_EMPTY,         NULL,                   ""                      },
6800   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6801
6802   { 0,                  NULL,                   NULL                    }
6803 };
6804
6805 static struct TokenInfo setup_info_engines[] =
6806 {
6807   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6808   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6809   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6810   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6811   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6812   { TYPE_EMPTY,         NULL,                   ""                      },
6813   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6814   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6815   { TYPE_EMPTY,         NULL,                   ""                      },
6816   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6817
6818   { 0,                  NULL,                   NULL                    }
6819 };
6820
6821 static struct TokenInfo setup_info_editor[] =
6822 {
6823 #if 0
6824   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6825   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6826   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6827   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6828   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6829   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6830   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6831   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6832   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6833   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6834 #endif
6835   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6836   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6837 #if 0
6838   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6839 #endif
6840   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6841   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6842   { TYPE_EMPTY,         NULL,                   ""                      },
6843 #if 0
6844   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6845   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6846   { TYPE_EMPTY,         NULL,                   ""                      },
6847 #endif
6848   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6849   { TYPE_EMPTY,         NULL,                   ""                      },
6850   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
6851   { TYPE_EMPTY,         NULL,                   ""                      },
6852   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6853
6854   { 0,                  NULL,                   NULL                    }
6855 };
6856
6857 static struct TokenInfo setup_info_graphics[] =
6858 {
6859 #if !defined(PLATFORM_ANDROID)
6860   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6861   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6862   { TYPE_STRING,        &window_size_text,      ""                      },
6863   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6864   { TYPE_STRING,        &scaling_type_text,     ""                      },
6865   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6866   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6867 #endif
6868 #if 0
6869   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6870   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6871 #endif
6872   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6873   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6874   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6875   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6876   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6877   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6878   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6879   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6880   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6881   { TYPE_EMPTY,         NULL,                   ""                      },
6882   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6883
6884   { 0,                  NULL,                   NULL                    }
6885 };
6886
6887 static struct TokenInfo setup_info_sound[] =
6888 {
6889   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6890   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6891   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6892   { TYPE_EMPTY,         NULL,                   ""                      },
6893   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6894   { TYPE_STRING,        &volume_simple_text,    ""                      },
6895   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6896   { TYPE_STRING,        &volume_loops_text,     ""                      },
6897   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6898   { TYPE_STRING,        &volume_music_text,     ""                      },
6899   { TYPE_EMPTY,         NULL,                   ""                      },
6900   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6901
6902   { 0,                  NULL,                   NULL                    }
6903 };
6904
6905 static struct TokenInfo setup_info_artwork[] =
6906 {
6907   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6908   { TYPE_STRING,        &graphics_set_name,     ""                      },
6909   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6910   { TYPE_STRING,        &sounds_set_name,       ""                      },
6911   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6912   { TYPE_STRING,        &music_set_name,        ""                      },
6913   { TYPE_EMPTY,         NULL,                   ""                      },
6914   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6915   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6916   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6917   { TYPE_EMPTY,         NULL,                   ""                      },
6918   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6919
6920   { 0,                  NULL,                   NULL                    }
6921 };
6922
6923 static struct TokenInfo setup_info_input[] =
6924 {
6925   { TYPE_SWITCH,        NULL,                   "Player:"               },
6926   { TYPE_SWITCH,        NULL,                   "Device:"               },
6927   { TYPE_SWITCH,        NULL,                   ""                      },
6928   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6929   { TYPE_EMPTY,         NULL,                   ""                      },
6930   { TYPE_EMPTY,         NULL,                   ""                      },
6931   { TYPE_EMPTY,         NULL,                   ""                      },
6932   { TYPE_EMPTY,         NULL,                   ""                      },
6933   { TYPE_EMPTY,         NULL,                   ""                      },
6934   { TYPE_EMPTY,         NULL,                   ""                      },
6935   { TYPE_EMPTY,         NULL,                   ""                      },
6936   { TYPE_EMPTY,         NULL,                   ""                      },
6937   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6938   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6939
6940   { 0,                  NULL,                   NULL                    }
6941 };
6942
6943 static struct TokenInfo setup_info_touch[] =
6944 {
6945   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6946   { TYPE_STRING,        &touch_controls_text,   ""                      },
6947   { TYPE_EMPTY,         NULL,                   ""                      },
6948   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6949
6950   { 0,                  NULL,                   NULL                    }
6951 };
6952
6953 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6954 {
6955   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6956   { TYPE_STRING,        &touch_controls_text,   ""                      },
6957   { TYPE_EMPTY,         NULL,                   ""                      },
6958   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6959   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6960   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6961   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6962   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6963   { TYPE_STRING,        &transparency_text,     ""                      },
6964   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6965   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6966   { TYPE_EMPTY,         NULL,                   ""                      },
6967   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6968   { TYPE_EMPTY,         NULL,                   ""                      },
6969   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6970
6971   { 0,                  NULL,                   NULL                    }
6972 };
6973
6974 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6975 {
6976   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6977   { TYPE_STRING,        &touch_controls_text,   ""                      },
6978   { TYPE_EMPTY,         NULL,                   ""                      },
6979   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6980   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6981   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6982   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6983   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6984   { TYPE_STRING,        &transparency_text,     ""                      },
6985   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6986   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6987   { TYPE_EMPTY,         NULL,                   ""                      },
6988   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6989   { TYPE_EMPTY,         NULL,                   ""                      },
6990   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6991
6992   { 0,                  NULL,                   NULL                    }
6993 };
6994
6995 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6996 {
6997   setup_info_touch_virtual_buttons_0,
6998   setup_info_touch_virtual_buttons_1
6999 };
7000
7001 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7002 {
7003   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7004   { TYPE_STRING,        &touch_controls_text,   ""                      },
7005   { TYPE_EMPTY,         NULL,                   ""                      },
7006   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7007   { TYPE_STRING,        &move_distance_text,    ""                      },
7008   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7009   { TYPE_STRING,        &drop_distance_text,    ""                      },
7010   { TYPE_EMPTY,         NULL,                   ""                      },
7011   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7012
7013   { 0,                  NULL,                   NULL                    }
7014 };
7015
7016 static struct TokenInfo setup_info_shortcuts[] =
7017 {
7018   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7019   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7020   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7021   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7022   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7023   { TYPE_EMPTY,         NULL,                   ""                      },
7024   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7025
7026   { 0,                  NULL,                   NULL                    }
7027 };
7028
7029 static struct TokenInfo setup_info_shortcuts_1[] =
7030 {
7031   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7032   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7033   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7034   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7035   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7036   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7037   { TYPE_EMPTY,         NULL,                   ""                      },
7038   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7039   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7040   { TYPE_EMPTY,         NULL,                   ""                      },
7041   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7042
7043   { 0,                  NULL,                   NULL                    }
7044 };
7045
7046 static struct TokenInfo setup_info_shortcuts_2[] =
7047 {
7048   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7049   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7050   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7051   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7052   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7053   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7054   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7055   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7056   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7057   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7058   { TYPE_EMPTY,         NULL,                   ""                      },
7059   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7060
7061   { 0,                  NULL,                   NULL                    }
7062 };
7063
7064 static struct TokenInfo setup_info_shortcuts_3[] =
7065 {
7066   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7067   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7068   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7069   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7070   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7071   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7072   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7073   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7074   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7075   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7076   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7077   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7078   { TYPE_EMPTY,         NULL,                   ""                      },
7079   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7080
7081   { 0,                  NULL,                   NULL                    }
7082 };
7083
7084 static struct TokenInfo setup_info_shortcuts_4[] =
7085 {
7086   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7087   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7088   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7089   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7090   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7091   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7092   { TYPE_EMPTY,         NULL,                   ""                      },
7093   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7094
7095   { 0,                  NULL,                   NULL                    }
7096 };
7097
7098 static struct TokenInfo setup_info_shortcuts_5[] =
7099 {
7100   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7101   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7102   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7103   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7104   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7105   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7106   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7107   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7108   { TYPE_EMPTY,         NULL,                   ""                      },
7109   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7110
7111   { 0,                  NULL,                   NULL                    }
7112 };
7113
7114 static Key getSetupKey(void)
7115 {
7116   Key key = KSYM_UNDEFINED;
7117   boolean got_key_event = FALSE;
7118
7119   while (!got_key_event)
7120   {
7121     Event event;
7122
7123     if (NextValidEvent(&event))
7124     {
7125       switch (event.type)
7126       {
7127         case EVENT_KEYPRESS:
7128           {
7129             key = GetEventKey((KeyEvent *)&event, TRUE);
7130
7131             // press 'Escape' or 'Enter' to keep the existing key binding
7132             if (key == KSYM_Escape || key == KSYM_Return)
7133               key = KSYM_UNDEFINED;     // keep old value
7134
7135             got_key_event = TRUE;
7136           }
7137           break;
7138
7139         case EVENT_KEYRELEASE:
7140           key_joystick_mapping = 0;
7141           break;
7142
7143         default:
7144           HandleOtherEvents(&event);
7145           break;
7146       }
7147     }
7148
7149     BackToFront();
7150   }
7151
7152   return key;
7153 }
7154
7155 static int getSetupValueFont(int type, void *value)
7156 {
7157   if (type & TYPE_GHOSTED)
7158     return FONT_OPTION_OFF;
7159   else if (type & TYPE_KEY)
7160     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7161   else if (type & TYPE_STRING)
7162     return FONT_VALUE_2;
7163   else if (type & TYPE_ECS_AGA)
7164     return FONT_VALUE_1;
7165   else if (type & TYPE_BOOLEAN_STYLE)
7166     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7167   else if (type & TYPE_YES_NO_AUTO)
7168     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7169             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7170   else if (type & TYPE_PLAYER)
7171     return FONT_VALUE_1;
7172   else
7173     return FONT_VALUE_1;
7174 }
7175
7176 static int getSetupValueFontNarrow(int type, int font_nr)
7177 {
7178   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7179           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7180           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7181           font_nr);
7182 }
7183
7184 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7185 {
7186   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7187   struct TokenInfo *si = &setup_info[si_pos];
7188   boolean font_draw_xoffset_modified = FALSE;
7189   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7190   int font_draw_xoffset_old = -1;
7191   int xoffset = (scrollbar_needed ? -1 : 0);
7192   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7193   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7194   int xpos = menu_screen_value_xpos;
7195   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7196   int startx = mSX + xpos * 32;
7197   int starty = mSY + ypos * 32;
7198   int type = si->type;
7199   void *value = si->value;
7200   char *value_string = getSetupValue(type, value);
7201   int font_nr_default = getSetupValueFont(type, value);
7202   int font_width_default = getFontWidth(font_nr_default);
7203   int font_nr = font_nr_default;
7204   int i;
7205
7206   if (value_string == NULL)
7207     return;
7208
7209   if (type & TYPE_KEY)
7210   {
7211     xpos = MENU_SCREEN_START_XPOS;
7212
7213     if (type & TYPE_QUERY)
7214       value_string = "<press key>";
7215   }
7216   else if (type & TYPE_STRING)
7217   {
7218     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7219
7220     xpos = MENU_SCREEN_START_XPOS;
7221
7222     if (strlen(value_string) > max_value_len)
7223       value_string[max_value_len] = '\0';
7224   }
7225   else if (type & TYPE_YES_NO_AUTO)
7226   {
7227     xpos = menu_screen_value_xpos - 1;
7228   }
7229   else if (type & TYPE_PLAYER)
7230   {
7231     int displayed_player_nr = *(int *)value + 1;
7232
7233     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7234   }
7235
7236   startx = mSX + xpos * 32;
7237   starty = mSY + ypos * 32;
7238
7239   // special check if right-side setup values moved left due to scrollbar
7240   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7241   {
7242     int max_menu_text_length = 26;      // maximum text length for classic menu
7243     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7244     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7245     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7246     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7247     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7248
7249     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7250     {
7251       // when using narrow font, left-shifting text "auto" not needed
7252       if (type & TYPE_YES_NO_AUTO)
7253         xpos += 1;
7254
7255       xpos += 1;
7256       startx = mSX + xpos * 32;
7257
7258       font_nr = getSetupValueFontNarrow(type, font_nr);
7259     }
7260   }
7261
7262   // downward compatibility correction for Juergen Bonhagen's menu settings
7263   if (setup_mode != SETUP_MODE_INPUT)
7264   {
7265     int max_menu_text_length_big = (menu_screen_value_xpos -
7266                                     MENU_SCREEN_START_XPOS);
7267     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7268     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7269     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7270     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7271     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7272     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7273     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7274     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7275     boolean correct_font_draw_xoffset = FALSE;
7276
7277     if (xpos == MENU_SCREEN_START_XPOS &&
7278         startx + font1_xoffset < text_startx + text_font_xoffset)
7279       correct_font_draw_xoffset = TRUE;
7280
7281     if (xpos == menu_screen_value_xpos &&
7282         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7283       correct_font_draw_xoffset = TRUE;
7284
7285     // check if setup value would overlap with setup text when printed
7286     // (this can happen for extreme/wrong values for font draw offset)
7287     if (correct_font_draw_xoffset)
7288     {
7289       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7290       font_draw_xoffset_modified = TRUE;
7291
7292       if (type & TYPE_KEY)
7293         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7294       else if (!(type & TYPE_STRING))
7295         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7296           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7297     }
7298   }
7299
7300   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7301     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7302
7303   DrawText(startx, starty, value_string, font_nr);
7304
7305   if (type & TYPE_PLAYER)
7306   {
7307     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7308     int player_nr = *(int *)value;
7309     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7310     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7311     int startx2 = startx + xoff;
7312     int starty2 = starty + yoff;
7313
7314     if (DrawingOnBackground(startx2, starty2))
7315       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7316
7317     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7318                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7319   }
7320
7321   if (font_draw_xoffset_modified)
7322     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7323 }
7324
7325 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7326 {
7327   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7328   struct TokenInfo *si = &setup_info[si_pos];
7329
7330   if (si->type & TYPE_BOOLEAN_STYLE)
7331   {
7332     *(boolean *)si->value ^= TRUE;
7333   }
7334   else if (si->type & TYPE_YES_NO_AUTO)
7335   {
7336     *(int *)si->value =
7337       (dx == -1 ?
7338        (*(int *)si->value == AUTO ? TRUE :
7339         *(int *)si->value == TRUE ? FALSE : AUTO) :
7340        (*(int *)si->value == TRUE ? AUTO :
7341         *(int *)si->value == AUTO ? FALSE : TRUE));
7342   }
7343   else if (si->type & TYPE_KEY)
7344   {
7345     Key key;
7346
7347     si->type |= TYPE_QUERY;
7348     drawSetupValue(screen_pos, setup_info_pos_raw);
7349     si->type &= ~TYPE_QUERY;
7350
7351     key = getSetupKey();
7352     if (key != KSYM_UNDEFINED)
7353       *(Key *)si->value = key;
7354   }
7355   else if (si->type & TYPE_PLAYER)
7356   {
7357     int player_nr = *(int *)si->value;
7358
7359     if (dx)
7360       player_nr += dx;
7361     else
7362       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7363
7364     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7365   }
7366
7367   drawSetupValue(screen_pos, setup_info_pos_raw);
7368
7369   // fullscreen state may have changed at this point
7370   if (si->value == &setup.fullscreen)
7371     ToggleFullscreenIfNeeded();
7372
7373   // network mode may have changed at this point
7374   if (si->value == &setup.network_mode)
7375     ToggleNetworkModeIfNeeded();
7376
7377   // API server mode may have changed at this point
7378   if (si->value == &setup.api_server)
7379     runtime.api_server = setup.api_server;
7380
7381   // game speed list may have changed at this point
7382   if (si->value == &setup.game_speed_extended)
7383     ToggleGameSpeedsListIfNeeded();
7384 }
7385
7386 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7387 {
7388   static struct TokenInfo *setup_info_final = NULL;
7389   int list_size = 0;
7390   int list_pos = 0;
7391   int i;
7392
7393   // determine maximum list size of target list
7394   while (setup_info_orig[list_size++].type != 0);
7395
7396   // free, allocate and clear memory for target list
7397   checked_free(setup_info_final);
7398   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7399
7400   // copy setup info list without setup entries marked as hidden
7401   for (i = 0; setup_info_orig[i].type != 0; i++)
7402   {
7403     // skip setup entries configured to be hidden
7404     if (hideSetupEntry(setup_info_orig[i].value))
7405       continue;
7406
7407     // skip skippable setup entries if screen is lower than usual
7408     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7409         setup_info_orig[i].type == TYPE_SKIPPABLE)
7410       continue;
7411
7412     setup_info_final[list_pos++] = setup_info_orig[i];
7413   }
7414
7415   return setup_info_final;
7416 }
7417
7418 static void DrawSetupScreen_Generic(void)
7419 {
7420   int fade_mask = REDRAW_FIELD;
7421   boolean redraw_all = FALSE;
7422   char *title_string = NULL;
7423   int i;
7424
7425   if (CheckFadeAll())
7426     fade_mask = REDRAW_ALL;
7427
7428   UnmapAllGadgets();
7429   FadeMenuSoundsAndMusic();
7430
7431   FreeScreenGadgets();
7432   CreateScreenGadgets();
7433
7434   if (redraw_mask & REDRAW_ALL)
7435     redraw_all = TRUE;
7436
7437   FadeOut(fade_mask);
7438
7439   // needed if different viewport properties defined for setup screen
7440   ChangeViewportPropertiesIfNeeded();
7441
7442   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7443
7444   ClearField();
7445
7446   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7447
7448   if (setup_mode == SETUP_MODE_MAIN)
7449   {
7450     setup_info = setup_info_main;
7451     title_string = STR_SETUP_MAIN;
7452   }
7453   else if (setup_mode == SETUP_MODE_GAME)
7454   {
7455     setup_info = setup_info_game;
7456     title_string = STR_SETUP_GAME;
7457   }
7458   else if (setup_mode == SETUP_MODE_ENGINES)
7459   {
7460     setup_info = setup_info_engines;
7461     title_string = STR_SETUP_ENGINES;
7462   }
7463   else if (setup_mode == SETUP_MODE_EDITOR)
7464   {
7465     setup_info = setup_info_editor;
7466     title_string = STR_SETUP_EDITOR;
7467   }
7468   else if (setup_mode == SETUP_MODE_GRAPHICS)
7469   {
7470     setup_info = setup_info_graphics;
7471     title_string = STR_SETUP_GRAPHICS;
7472   }
7473   else if (setup_mode == SETUP_MODE_SOUND)
7474   {
7475     setup_info = setup_info_sound;
7476     title_string = STR_SETUP_SOUND;
7477   }
7478   else if (setup_mode == SETUP_MODE_ARTWORK)
7479   {
7480     setup_info = setup_info_artwork;
7481     title_string = STR_SETUP_ARTWORK;
7482   }
7483   else if (setup_mode == SETUP_MODE_TOUCH)
7484   {
7485     setup_info = setup_info_touch;
7486     title_string = STR_SETUP_TOUCH;
7487
7488     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7489       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7490     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7491       setup_info = setup_info_touch_wipe_gestures;
7492   }
7493   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7494   {
7495     setup_info = setup_info_shortcuts;
7496     title_string = STR_SETUP_SHORTCUTS;
7497   }
7498   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7499   {
7500     setup_info = setup_info_shortcuts_1;
7501     title_string = STR_SETUP_SHORTCUTS;
7502   }
7503   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7504   {
7505     setup_info = setup_info_shortcuts_2;
7506     title_string = STR_SETUP_SHORTCUTS;
7507   }
7508   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7509   {
7510     setup_info = setup_info_shortcuts_3;
7511     title_string = STR_SETUP_SHORTCUTS;
7512   }
7513   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7514   {
7515     setup_info = setup_info_shortcuts_4;
7516     title_string = STR_SETUP_SHORTCUTS;
7517   }
7518   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7519   {
7520     setup_info = setup_info_shortcuts_5;
7521     title_string = STR_SETUP_SHORTCUTS;
7522   }
7523
7524   // use modified setup info without setup entries marked as hidden
7525   setup_info = getSetupInfoFinal(setup_info);
7526
7527   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7528
7529   // determine maximal number of setup entries that can be displayed on screen
7530   num_setup_info = 0;
7531   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7532     num_setup_info++;
7533
7534   // determine maximal number of setup entries available for this setup screen
7535   max_setup_info = 0;
7536   for (i = 0; setup_info[i].type != 0; i++)
7537     max_setup_info++;
7538
7539   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7540
7541   MapScreenGadgets(max_setup_info);
7542
7543   if (redraw_all)
7544     redraw_mask = fade_mask = REDRAW_ALL;
7545
7546   DrawMaskedBorder(fade_mask);
7547
7548   FadeIn(fade_mask);
7549 }
7550
7551 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7552 {
7553   menu_info = setup_info;
7554
7555   HandleMenuScreen(mx, my, dx, dy, button,
7556                    setup_mode, num_setup_info, max_setup_info);
7557 }
7558
7559 static void DrawSetupScreen_Input(void)
7560 {
7561   int i;
7562
7563   FadeOut(REDRAW_FIELD);
7564
7565   ClearField();
7566
7567   setup_info = getSetupInfoFinal(setup_info_input);
7568
7569   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7570
7571   for (i = 0; setup_info[i].type != 0; i++)
7572   {
7573     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7574       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7575     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7576       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7577     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7578       initCursor(i, IMG_MENU_BUTTON);
7579
7580     DrawCursorAndText_Setup(i, -1, FALSE);
7581   }
7582
7583   // create gadgets for setup input menu screen
7584   FreeScreenGadgets();
7585   CreateScreenGadgets();
7586
7587   // map gadgets for setup input menu screen
7588   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7589
7590   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7591
7592   FadeIn(REDRAW_FIELD);
7593 }
7594
7595 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7596 {
7597   if (device_name == NULL)
7598     return;
7599
7600   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7601     device_nr = 0;
7602
7603   if (strlen(device_name) > 1)
7604   {
7605     char c1 = device_name[strlen(device_name) - 1];
7606     char c2 = device_name[strlen(device_name) - 2];
7607
7608     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7609       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7610   }
7611   else
7612     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7613             strlen(device_name));
7614 }
7615
7616 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7617 {
7618   int i;
7619   static struct SetupKeyboardInfo custom_key;
7620   static struct
7621   {
7622     Key *key;
7623     char *text;
7624   } custom[] =
7625   {
7626     { &custom_key.left,  "Axis/Pad Left"  },
7627     { &custom_key.right, "Axis/Pad Right" },
7628     { &custom_key.up,    "Axis/Pad Up"    },
7629     { &custom_key.down,  "Axis/Pad Down"  },
7630     { &custom_key.snap,  "Button 1/A/X"   },
7631     { &custom_key.drop,  "Button 2/B/Y"   }
7632   };
7633   static char *joystick_name[MAX_PLAYERS] =
7634   {
7635     "Joystick1",
7636     "Joystick2",
7637     "Joystick3",
7638     "Joystick4"
7639   };
7640   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7641   int font_nr_info = FONT_MENU_1;
7642   int font_nr_name = FONT_VALUE_OLD;
7643   int font_nr_on   = FONT_VALUE_1;
7644   int font_nr_off  = FONT_VALUE_OLD;
7645   int pos = 4;
7646
7647   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7648   {
7649     font_nr_info = FONT_MENU_2;
7650     font_nr_on   = FONT_VALUE_NARROW;
7651     font_nr_off  = FONT_VALUE_OLD_NARROW;
7652   }
7653
7654   custom_key = setup.input[player_nr].key;
7655
7656   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7657            FONT_INPUT_1_ACTIVE);
7658
7659   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7660                              TILEX, TILEY);
7661   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7662                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7663
7664   if (setup.input[player_nr].use_joystick)
7665   {
7666     char *device_name = setup.input[player_nr].joy.device_name;
7667     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7668     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7669     char *text = joystick_name[joystick_nr];
7670     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7671
7672     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7673     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7674   }
7675   else
7676   {
7677     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7678     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7679   }
7680
7681   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7682     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7683   else
7684     pos = 3;
7685
7686   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7687   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7688   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7689   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7690
7691   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7692   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7693   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7694   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7695   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7696   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7697
7698   for (i = 0; i < 6; i++)
7699   {
7700     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7701
7702     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7703              "              ", font_nr_on);
7704     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7705              (setup.input[player_nr].use_joystick ?
7706               custom[i].text :
7707               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7708   }
7709 }
7710
7711 static int input_player_nr = 0;
7712
7713 static void HandleSetupScreen_Input_Player(int step, int direction)
7714 {
7715   int old_player_nr = input_player_nr;
7716   int new_player_nr;
7717
7718   new_player_nr = old_player_nr + step * direction;
7719   if (new_player_nr < 0)
7720     new_player_nr = 0;
7721   if (new_player_nr > MAX_PLAYERS - 1)
7722     new_player_nr = MAX_PLAYERS - 1;
7723
7724   if (new_player_nr != old_player_nr)
7725   {
7726     input_player_nr = new_player_nr;
7727
7728     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7729   }
7730 }
7731
7732 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7733 {
7734   static int choice = 0;
7735   int x = 0;
7736   int y = choice;
7737   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7738   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7739   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7740   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7741
7742   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7743   {
7744     int i;
7745
7746     for (i = 0; setup_info_input[i].type != 0; i++)
7747     {
7748       // adjust menu structure according to skipped setup entries
7749       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7750       {
7751         pos_empty2--;
7752         pos_end--;
7753       }
7754     }
7755   }
7756
7757   if (button == MB_MENU_INITIALIZE)
7758   {
7759     // input setup menu may have changed size due to graphics configuration
7760     if (choice >= pos_empty1)
7761       choice = pos_end;
7762
7763     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7764
7765     DrawCursorAndText_Setup(choice, -1, TRUE);
7766
7767     return;
7768   }
7769   else if (button == MB_MENU_LEAVE)
7770   {
7771     setup_mode = SETUP_MODE_MAIN;
7772     DrawSetupScreen();
7773     InitJoysticks();
7774
7775     return;
7776   }
7777
7778   if (mx || my)         // mouse input
7779   {
7780     x = (mx - mSX) / 32;
7781     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7782   }
7783   else if (dx || dy)    // keyboard input
7784   {
7785     if (dx && choice == 0)
7786       x = (dx < 0 ? 10 : 12);
7787     else if ((dx && choice == 1) ||
7788              (dx == -1 && choice == pos_end))
7789       button = MB_MENU_CHOICE;
7790     else if (dy)
7791       y = choice + dy;
7792
7793     if (y >= pos_empty1 && y <= pos_empty2)
7794       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7795   }
7796
7797   if (y == 0 && dx != 0 && button)
7798   {
7799     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7800   }
7801   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7802            y >= pos_start && y <= pos_end &&
7803            !(y >= pos_empty1 && y <= pos_empty2))
7804   {
7805     if (button)
7806     {
7807       if (y != choice)
7808       {
7809         DrawCursorAndText_Setup(choice, -1, FALSE);
7810         DrawCursorAndText_Setup(y, -1, TRUE);
7811
7812         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7813
7814         choice = y;
7815       }
7816     }
7817     else
7818     {
7819       if (y == 1)
7820       {
7821         char *device_name = setup.input[input_player_nr].joy.device_name;
7822
7823         if (!setup.input[input_player_nr].use_joystick)
7824         {
7825           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7826
7827           setJoystickDeviceToNr(device_name, new_device_nr);
7828           setup.input[input_player_nr].use_joystick = TRUE;
7829         }
7830         else
7831         {
7832           int device_nr = getJoystickNrFromDeviceName(device_name);
7833           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7834
7835           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7836             setup.input[input_player_nr].use_joystick = FALSE;
7837           else
7838             setJoystickDeviceToNr(device_name, new_device_nr);
7839         }
7840
7841         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7842       }
7843       else if (y == 2)
7844       {
7845         if (setup.input[input_player_nr].use_joystick)
7846           ConfigureJoystick(input_player_nr);
7847         else
7848           CustomizeKeyboard(input_player_nr);
7849       }
7850       else if (y == pos_end)
7851       {
7852         InitJoysticks();
7853
7854         FadeSetLeaveMenu();
7855
7856         setup_mode = SETUP_MODE_MAIN;
7857         DrawSetupScreen();
7858       }
7859     }
7860   }
7861 }
7862
7863 static boolean CustomizeKeyboardMain(int player_nr)
7864 {
7865   int i;
7866   int step_nr;
7867   boolean finished = FALSE;
7868   static struct SetupKeyboardInfo custom_key;
7869   static struct
7870   {
7871     Key *key;
7872     char *text;
7873   } customize_step[] =
7874   {
7875     { &custom_key.left,  "Move Left"    },
7876     { &custom_key.right, "Move Right"   },
7877     { &custom_key.up,    "Move Up"      },
7878     { &custom_key.down,  "Move Down"    },
7879     { &custom_key.snap,  "Snap Field"   },
7880     { &custom_key.drop,  "Drop Element" }
7881   };
7882   int font_nr_old = FONT_VALUE_OLD;
7883   int font_nr_new = FONT_VALUE_1;
7884   boolean success = FALSE;
7885
7886   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7887   {
7888     font_nr_old = FONT_VALUE_OLD_NARROW;
7889     font_nr_new = FONT_VALUE_NARROW;
7890   }
7891
7892   // read existing key bindings from player setup
7893   custom_key = setup.input[player_nr].key;
7894
7895   FadeSetEnterMenu();
7896   FadeOut(REDRAW_FIELD);
7897
7898   ClearField();
7899
7900   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7901
7902   step_nr = 0;
7903   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7904            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7905   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7906            "Key:", FONT_INPUT_1_ACTIVE);
7907   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7908            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7909
7910   FadeIn(REDRAW_FIELD);
7911
7912   while (!finished)
7913   {
7914     Event event;
7915
7916     if (NextValidEvent(&event))
7917     {
7918       switch (event.type)
7919       {
7920         case EVENT_KEYPRESS:
7921           {
7922             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7923
7924             // press 'Escape' to abort and keep the old key bindings
7925             if (key == KSYM_Escape)
7926             {
7927               FadeSkipNextFadeIn();
7928
7929               finished = TRUE;
7930
7931               break;
7932             }
7933
7934             // press 'Enter' to keep the existing key binding
7935             if (key == KSYM_Return)
7936               key = *customize_step[step_nr].key;
7937
7938             // check if key already used
7939             for (i = 0; i < step_nr; i++)
7940               if (*customize_step[i].key == key)
7941                 break;
7942             if (i < step_nr)
7943               break;
7944
7945             // got new key binding
7946             *customize_step[step_nr].key = key;
7947             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7948                      "             ", font_nr_new);
7949             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7950                      getKeyNameFromKey(key), font_nr_new);
7951             step_nr++;
7952
7953             // un-highlight last query
7954             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7955                      customize_step[step_nr - 1].text, FONT_MENU_1);
7956             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7957                      "Key:", FONT_MENU_1);
7958
7959             // all keys configured
7960             if (step_nr == 6)
7961             {
7962               finished = TRUE;
7963               success = TRUE;
7964
7965               break;
7966             }
7967
7968             // query next key binding
7969             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7970                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7971             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7972                      "Key:", FONT_INPUT_1_ACTIVE);
7973             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7974                      getKeyNameFromKey(*customize_step[step_nr].key),
7975                      font_nr_old);
7976           }
7977           break;
7978
7979         case EVENT_KEYRELEASE:
7980           key_joystick_mapping = 0;
7981           break;
7982
7983         default:
7984           HandleOtherEvents(&event);
7985           break;
7986       }
7987     }
7988
7989     BackToFront();
7990   }
7991
7992   // write new key bindings back to player setup, if successfully finished
7993   if (success)
7994     setup.input[player_nr].key = custom_key;
7995
7996   return success;
7997 }
7998
7999 void CustomizeKeyboard(int player_nr)
8000 {
8001   boolean success = CustomizeKeyboardMain(player_nr);
8002
8003   if (success)
8004   {
8005     int font_nr = FONT_TITLE_1;
8006     int font_height = getFontHeight(font_nr);
8007     int ypos1 = SYSIZE / 2 - font_height * 2;
8008     int ypos2 = SYSIZE / 2 - font_height * 1;
8009     unsigned int wait_frame_delay = 0;
8010     unsigned int wait_frame_delay_value = 2000;
8011
8012     ResetDelayCounter(&wait_frame_delay);
8013
8014     ClearField();
8015
8016     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8017     DrawTextSCentered(ypos2, font_nr, "configured!");
8018
8019     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8020       BackToFront();
8021
8022     ClearEventQueue();
8023   }
8024
8025   DrawSetupScreen_Input();
8026 }
8027
8028 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8029
8030 #define MARKER_BUTTON           1
8031 #define MARKER_AXIS_X           2
8032 #define MARKER_AXIS_Y           3
8033
8034 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8035 {
8036   static boolean bitmaps_initialized = FALSE;
8037   boolean screen_initialized = FALSE;
8038   static Bitmap *controller, *button, *axis_x, *axis_y;
8039   char *name;
8040   boolean success = TRUE;
8041   boolean done = FALSE, next = FALSE;
8042   Event event;
8043   int alpha = 200, alpha_step = -1;
8044   int alpha_ticks = 0;
8045   char mapping[4096], temp[256];
8046   int font_name = MENU_SETUP_FONT_TITLE;
8047   int font_info = MENU_SETUP_FONT_TEXT;
8048   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8049   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8050   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8051   int ystep_name = getMenuTextStep(spacing_name, font_name);
8052   int ystep_line = getMenuTextStep(spacing_line, font_info);
8053   int ystep_para = getMenuTextStep(spacing_para, font_info);
8054   int i, j;
8055
8056   struct
8057   {
8058     int x, y;
8059     int marker;
8060     char *field;
8061     int axis, button, hat, hat_value;
8062     char mapping[4096];
8063   }
8064   *step, *prev_step, steps[] =
8065   {
8066     { 356, 155, MARKER_BUTTON, "a",             },
8067     { 396, 122, MARKER_BUTTON, "b",             },
8068     { 320, 125, MARKER_BUTTON, "x",             },
8069     { 358,  95, MARKER_BUTTON, "y",             },
8070     { 162, 125, MARKER_BUTTON, "back",          },
8071     { 216, 125, MARKER_BUTTON, "guide",         },
8072     { 271, 125, MARKER_BUTTON, "start",         },
8073     { 110, 200, MARKER_BUTTON, "dpleft",        },
8074     { 146, 228, MARKER_BUTTON, "dpdown",        },
8075     { 178, 200, MARKER_BUTTON, "dpright",       },
8076     { 146, 172, MARKER_BUTTON, "dpup",          },
8077     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8078     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8079     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8080     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8081     {  73, 141, MARKER_BUTTON, "leftstick",     },
8082     { 282, 210, MARKER_BUTTON, "rightstick",    },
8083     {  73, 141, MARKER_AXIS_X, "leftx",         },
8084     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8085     { 282, 210, MARKER_AXIS_X, "rightx",        },
8086     { 282, 210, MARKER_AXIS_Y, "righty",        },
8087   };
8088
8089   unsigned int event_frame_delay = 0;
8090   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8091
8092   ResetDelayCounter(&event_frame_delay);
8093
8094   if (!bitmaps_initialized)
8095   {
8096     controller = LoadCustomImage("joystick/controller.png");
8097     button     = LoadCustomImage("joystick/button.png");
8098     axis_x     = LoadCustomImage("joystick/axis_x.png");
8099     axis_y     = LoadCustomImage("joystick/axis_y.png");
8100
8101     bitmaps_initialized = TRUE;
8102   }
8103
8104   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8105
8106 #if DEBUG_JOYSTICKS
8107   // print info about the joystick we are watching
8108   Debug("joystick", "watching joystick %d: (%s)",
8109         SDL_JoystickInstanceID(joystick), name);
8110   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8111         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8112         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8113 #endif
8114
8115   // initialize mapping with GUID and name
8116   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8117
8118   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8119            temp, name, SDL_GetPlatform());
8120
8121   // loop through all steps (buttons and axes), getting joystick events
8122   for (i = 0; i < SDL_arraysize(steps) && !done;)
8123   {
8124     Bitmap *marker = button;    // initialize with reliable default value
8125
8126     step = &steps[i];
8127     strcpy(step->mapping, mapping);
8128     step->axis = -1;
8129     step->button = -1;
8130     step->hat = -1;
8131     step->hat_value = -1;
8132
8133     marker = (step->marker == MARKER_BUTTON ? button :
8134               step->marker == MARKER_AXIS_X ? axis_x :
8135               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8136
8137     next = FALSE;
8138
8139     while (!done && !next)
8140     {
8141       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8142       alpha_ticks = SDL_GetTicks();
8143
8144       if (alpha >= 255)
8145       {
8146         alpha = 255;
8147         alpha_step = -1;
8148       }
8149       else if (alpha < 128)
8150       {
8151         alpha = 127;
8152         alpha_step = 1;
8153       }
8154
8155       int controller_x = SX + (SXSIZE - controller->width) / 2;
8156       int controller_y = SY + ystep_line;
8157
8158       int marker_x = controller_x + step->x;
8159       int marker_y = controller_y + step->y;
8160
8161       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8162       int ystart2 = ystart1 + ystep_name + ystep_line;
8163
8164       ClearField();
8165
8166       DrawTextSCentered(ystart1, font_name, name);
8167
8168       DrawTextSCentered(ystart2, font_info,
8169                         "Press buttons and move axes on");
8170       ystart2 += ystep_line;
8171       DrawTextSCentered(ystart2, font_info,
8172                         "your controller when indicated.");
8173       ystart2 += ystep_line;
8174       DrawTextSCentered(ystart2, font_info,
8175                         "(Your controller may look different.)");
8176       ystart2 += ystep_para;
8177
8178 #if defined(PLATFORM_ANDROID)
8179       DrawTextSCentered(ystart2, font_info,
8180                         "To correct a mistake,");
8181       ystart2 += ystep_line;
8182       DrawTextSCentered(ystart2, font_info,
8183                         "press the 'back' button.");
8184       ystart2 += ystep_line;
8185       DrawTextSCentered(ystart2, font_info,
8186                         "To skip a button or axis,");
8187       ystart2 += ystep_line;
8188       DrawTextSCentered(ystart2, font_info,
8189                         "press the 'menu' button.");
8190 #else
8191       DrawTextSCentered(ystart2, font_info,
8192                         "To correct a mistake,");
8193       ystart2 += ystep_line;
8194       DrawTextSCentered(ystart2, font_info,
8195                         "press the 'backspace' key.");
8196       ystart2 += ystep_line;
8197       DrawTextSCentered(ystart2, font_info,
8198                         "To skip a button or axis,");
8199       ystart2 += ystep_line;
8200       DrawTextSCentered(ystart2, font_info,
8201                         "press the 'return' key.");
8202       ystart2 += ystep_line;
8203       DrawTextSCentered(ystart2, font_info,
8204                         "To exit, press the 'escape' key.");
8205 #endif
8206
8207       BlitBitmapMasked(controller, drawto, 0, 0,
8208                        controller->width, controller->height,
8209                        controller_x, controller_y);
8210
8211       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8212       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8213
8214       BlitBitmapMasked(marker, drawto, 0, 0,
8215                        marker->width, marker->height,
8216                        marker_x, marker_y);
8217
8218       if (!screen_initialized)
8219         FadeIn(REDRAW_FIELD);
8220       else
8221         BackToFront();
8222
8223       screen_initialized = TRUE;
8224
8225       while (NextValidEvent(&event))
8226       {
8227         switch (event.type)
8228         {
8229           case SDL_JOYAXISMOTION:
8230             if (event.jaxis.value > 20000 ||
8231                 event.jaxis.value < -20000)
8232             {
8233               for (j = 0; j < i; j++)
8234                 if (steps[j].axis == event.jaxis.axis)
8235                   break;
8236
8237               if (j == i)
8238               {
8239                 if (step->marker != MARKER_AXIS_X &&
8240                     step->marker != MARKER_AXIS_Y)
8241                   break;
8242
8243                 step->axis = event.jaxis.axis;
8244                 strcat(mapping, step->field);
8245                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8246                 strcat(mapping, temp);
8247                 i++;
8248                 next = TRUE;
8249               }
8250             }
8251
8252             break;
8253
8254           case SDL_JOYHATMOTION:
8255             // ignore centering; we're probably just coming back
8256             // to the center from the previous item we set
8257             if (event.jhat.value == SDL_HAT_CENTERED)
8258               break;
8259
8260             for (j = 0; j < i; j++)
8261               if (steps[j].hat == event.jhat.hat &&
8262                   steps[j].hat_value == event.jhat.value)
8263                 break;
8264
8265             if (j == i)
8266             {
8267               step->hat = event.jhat.hat;
8268               step->hat_value = event.jhat.value;
8269               strcat(mapping, step->field);
8270               snprintf(temp, sizeof(temp), ":h%u.%u,",
8271                        event.jhat.hat, event.jhat.value );
8272               strcat(mapping, temp);
8273               i++;
8274               next = TRUE;
8275             }
8276
8277             break;
8278
8279           case SDL_JOYBALLMOTION:
8280             break;
8281
8282           case SDL_JOYBUTTONUP:
8283             for (j = 0; j < i; j++)
8284               if (steps[j].button == event.jbutton.button)
8285                 break;
8286
8287             if (j == i)
8288             {
8289               step->button = event.jbutton.button;
8290               strcat(mapping, step->field);
8291               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8292               strcat(mapping, temp);
8293               i++;
8294               next = TRUE;
8295             }
8296
8297             break;
8298
8299           case SDL_FINGERDOWN:
8300           case SDL_MOUSEBUTTONDOWN:
8301             // skip this step
8302             i++;
8303             next = TRUE;
8304
8305             break;
8306
8307           case SDL_KEYDOWN:
8308             if (event.key.keysym.sym == KSYM_BackSpace ||
8309                 event.key.keysym.sym == KSYM_Back)
8310             {
8311               if (i == 0)
8312               {
8313                 // leave screen
8314                 success = FALSE;
8315                 done = TRUE;
8316
8317                 break;
8318               }
8319
8320               // undo this step
8321               prev_step = &steps[i - 1];
8322               strcpy(mapping, prev_step->mapping);
8323               i--;
8324               next = TRUE;
8325
8326               break;
8327             }
8328
8329             if (event.key.keysym.sym == KSYM_space ||
8330                 event.key.keysym.sym == KSYM_Return ||
8331                 event.key.keysym.sym == KSYM_Menu)
8332             {
8333               // skip this step
8334               i++;
8335               next = TRUE;
8336
8337               break;
8338             }
8339
8340             if (event.key.keysym.sym == KSYM_Escape)
8341             {
8342               // leave screen
8343               success = FALSE;
8344               done = TRUE;
8345             }
8346
8347             break;
8348
8349           case SDL_QUIT:
8350             program.exit_function(0);
8351             break;
8352
8353           default:
8354             break;
8355         }
8356
8357         // do not handle events for longer than standard frame delay period
8358         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8359           break;
8360       }
8361     }
8362   }
8363
8364   if (success)
8365   {
8366 #if DEBUG_JOYSTICKS
8367     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8368 #endif
8369
8370     // activate mapping for this game
8371     SDL_GameControllerAddMapping(mapping);
8372
8373     // save mapping to personal mappings
8374     SaveSetup_AddGameControllerMapping(mapping);
8375   }
8376
8377   // wait until the last pending event was removed from event queue
8378   while (NextValidEvent(&event));
8379
8380   return success;
8381 }
8382
8383 static int ConfigureJoystickMain(int player_nr)
8384 {
8385   char *device_name = setup.input[player_nr].joy.device_name;
8386   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8387   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8388   int success = FALSE;
8389   int i;
8390
8391   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8392     return JOYSTICK_NOT_AVAILABLE;
8393
8394   if (!joystick_active || !setup.input[player_nr].use_joystick)
8395     return JOYSTICK_NOT_AVAILABLE;
8396
8397   FadeSetEnterMenu();
8398   FadeOut(REDRAW_FIELD);
8399
8400   // close all joystick devices (potentially opened as game controllers)
8401   for (i = 0; i < SDL_NumJoysticks(); i++)
8402     SDLCloseJoystick(i);
8403
8404   // open joystick device as plain joystick to configure as game controller
8405   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8406
8407   // as the joystick was successfully opened before, this should not happen
8408   if (joystick == NULL)
8409     return FALSE;
8410
8411   // create new game controller mapping (buttons and axes) for joystick device
8412   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8413
8414   // close joystick (and maybe re-open as configured game controller later)
8415   SDL_JoystickClose(joystick);
8416
8417   // re-open all joystick devices (potentially as game controllers)
8418   for (i = 0; i < SDL_NumJoysticks(); i++)
8419     SDLOpenJoystick(i);
8420
8421   // clear all joystick input actions for all joystick devices
8422   SDLClearJoystickState();
8423
8424   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8425 }
8426
8427 void ConfigureJoystick(int player_nr)
8428 {
8429   boolean state = ConfigureJoystickMain(player_nr);
8430
8431   if (state != JOYSTICK_NOT_CONFIGURED)
8432   {
8433     boolean success = (state == JOYSTICK_CONFIGURED);
8434     char message1[MAX_OUTPUT_LINESIZE + 1];
8435     char *message2 = (success ? "configured!" : "not available!");
8436     char *device_name = setup.input[player_nr].joy.device_name;
8437     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8438     int font_nr = FONT_TITLE_1;
8439     int font_height = getFontHeight(font_nr);
8440     int ypos1 = SYSIZE / 2 - font_height * 2;
8441     int ypos2 = SYSIZE / 2 - font_height * 1;
8442     unsigned int wait_frame_delay = 0;
8443     unsigned int wait_frame_delay_value = 2000;
8444
8445     ResetDelayCounter(&wait_frame_delay);
8446
8447     ClearField();
8448
8449     sprintf(message1, "Joystick %d", nr);
8450
8451     DrawTextSCentered(ypos1, font_nr, message1);
8452     DrawTextSCentered(ypos2, font_nr, message2);
8453
8454     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8455       BackToFront();
8456
8457     ClearEventQueue();
8458   }
8459
8460   DrawSetupScreen_Input();
8461 }
8462
8463 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8464 {
8465   if (y < video.screen_height / 3)
8466   {
8467     // remap touch gadgets to access upper part of the screen
8468     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8469     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8470   }
8471   else if (y > 2 * video.screen_height / 3)
8472   {
8473     // remap touch gadgets to access lower part of the screen
8474     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8475     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8476   }
8477 }
8478
8479 static boolean ConfigureVirtualButtonsMain(void)
8480 {
8481   static char *customize_step_text[] =
8482   {
8483     "Move Left",
8484     "Move Right",
8485     "Move Up",
8486     "Move Down",
8487     "Snap Field",
8488     "Drop Element"
8489   };
8490   char grid_button[] =
8491   {
8492     CHAR_GRID_BUTTON_LEFT,
8493     CHAR_GRID_BUTTON_RIGHT,
8494     CHAR_GRID_BUTTON_UP,
8495     CHAR_GRID_BUTTON_DOWN,
8496     CHAR_GRID_BUTTON_SNAP,
8497     CHAR_GRID_BUTTON_DROP
8498   };
8499   enum
8500   {
8501     ACTION_NONE,
8502     ACTION_ESCAPE,
8503     ACTION_BACK,
8504     ACTION_NEXT
8505   };
8506   int font_nr = FONT_INPUT_1_ACTIVE;
8507   int font_height = getFontHeight(font_nr);
8508   int ypos1 = SYSIZE / 2 - font_height * 2;
8509   int ypos2 = SYSIZE / 2 - font_height * 1;
8510   boolean success = FALSE;
8511   boolean finished = FALSE;
8512   int step_nr = 0;
8513   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8514   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8515   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8516   boolean set_grid_button = FALSE;
8517   int nr = GRID_ACTIVE_NR();
8518   int x, y;
8519
8520   for (x = 0; x < MAX_GRID_XSIZE; x++)
8521     for (y = 0; y < MAX_GRID_YSIZE; y++)
8522       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8523
8524   overlay.grid_button_highlight = grid_button[step_nr];
8525
8526   UnmapAllGadgets();
8527
8528   FadeSetEnterMenu();
8529   FadeOut(REDRAW_FIELD);
8530
8531   ClearField();
8532
8533   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8534   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8535   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8536
8537   FadeIn(REDRAW_FIELD);
8538
8539   SetOverlayShowGrid(TRUE);
8540
8541   // map gadgets for setup touch buttons menu screen
8542   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8543
8544   while (!finished)
8545   {
8546     Event event;
8547
8548     while (NextValidEvent(&event))
8549     {
8550       int action = ACTION_NONE;
8551
8552       // ---------- handle events and set the resulting action ----------
8553
8554       switch (event.type)
8555       {
8556         case EVENT_USER:
8557           {
8558             UserEvent *user = (UserEvent *)&event;
8559             int id = user->value1;
8560
8561             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8562                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8563                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8564                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8565                       ACTION_NONE);
8566           }
8567           break;
8568
8569         case EVENT_KEYPRESS:
8570           {
8571             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8572
8573             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8574                       key == KSYM_BackSpace ||
8575                       key == KSYM_Back ?        ACTION_BACK :
8576                       key == KSYM_Return ||
8577                       key == KSYM_Menu ||
8578                       key == KSYM_space ?       ACTION_NEXT :
8579                       ACTION_NONE);
8580           }
8581           break;
8582
8583         case EVENT_KEYRELEASE:
8584           key_joystick_mapping = 0;
8585           break;
8586
8587         case EVENT_BUTTONPRESS:
8588         case EVENT_BUTTONRELEASE:
8589           {
8590             ButtonEvent *button = (ButtonEvent *)&event;
8591
8592             motion_status = FALSE;
8593
8594             if (button->type == EVENT_BUTTONPRESS)
8595               button_status = button->button;
8596             else
8597               button_status = MB_RELEASED;
8598
8599             if (HandleGadgets(button->x, button->y, button_status))
8600             {
8601               // do not handle this button event anymore
8602               break;
8603             }
8604
8605             button->x += video.screen_xoffset;
8606             button->y += video.screen_yoffset;
8607
8608             x = button->x * overlay.grid_xsize / video.screen_width;
8609             y = button->y * overlay.grid_ysize / video.screen_height;
8610
8611             if (button->type == EVENT_BUTTONPRESS)
8612             {
8613               grid_button_draw =
8614                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8615                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8616
8617               set_grid_button = TRUE;
8618             }
8619
8620             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8621           }
8622           break;
8623
8624         case EVENT_MOTIONNOTIFY:
8625           {
8626             MotionEvent *motion = (MotionEvent *)&event;
8627
8628             motion_status = TRUE;
8629
8630             if (HandleGadgets(motion->x, motion->y, button_status))
8631             {
8632               // do not handle this button event anymore
8633               break;
8634             }
8635
8636             motion->x += video.screen_xoffset;
8637             motion->y += video.screen_yoffset;
8638
8639             x = motion->x * overlay.grid_xsize / video.screen_width;
8640             y = motion->y * overlay.grid_ysize / video.screen_height;
8641
8642             set_grid_button = TRUE;
8643
8644             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8645           }
8646           break;
8647
8648         case SDL_WINDOWEVENT:
8649           HandleWindowEvent((WindowEvent *) &event);
8650
8651           // check if device has been rotated
8652           if (nr != GRID_ACTIVE_NR())
8653           {
8654             nr = GRID_ACTIVE_NR();
8655
8656             for (x = 0; x < MAX_GRID_XSIZE; x++)
8657               for (y = 0; y < MAX_GRID_YSIZE; y++)
8658                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8659                   overlay.grid_button[x][y];
8660           }
8661
8662           break;
8663
8664         case SDL_APP_WILLENTERBACKGROUND:
8665         case SDL_APP_DIDENTERBACKGROUND:
8666         case SDL_APP_WILLENTERFOREGROUND:
8667         case SDL_APP_DIDENTERFOREGROUND:
8668           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8669           break;
8670
8671         default:
8672           HandleOtherEvents(&event);
8673           break;
8674       }
8675
8676       // ---------- perform action set by handling events ----------
8677
8678       if (action == ACTION_ESCAPE)
8679       {
8680         // abort and restore the old key bindings
8681
8682         for (x = 0; x < MAX_GRID_XSIZE; x++)
8683           for (y = 0; y < MAX_GRID_YSIZE; y++)
8684             overlay.grid_button[x][y] = grid_button_old[x][y];
8685
8686         FadeSkipNextFadeIn();
8687
8688         finished = TRUE;
8689       }
8690       else if (action == ACTION_BACK)
8691       {
8692         // keep the configured key bindings and go to previous page
8693
8694         step_nr--;
8695
8696         if (step_nr < 0)
8697         {
8698           FadeSkipNextFadeIn();
8699
8700           finished = TRUE;
8701         }
8702       }
8703       else if (action == ACTION_NEXT)
8704       {
8705         // keep the configured key bindings and go to next page
8706
8707         step_nr++;
8708
8709         // all virtual buttons configured
8710         if (step_nr == 6)
8711         {
8712           finished = TRUE;
8713           success = TRUE;
8714         }
8715       }
8716
8717       if (action != ACTION_NONE && !finished)
8718       {
8719         for (x = 0; x < MAX_GRID_XSIZE; x++)
8720           for (y = 0; y < MAX_GRID_YSIZE; y++)
8721             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8722
8723         overlay.grid_button_highlight = grid_button[step_nr];
8724
8725         // configure next virtual button
8726
8727         ClearField();
8728
8729         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8730         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8731         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8732       }
8733
8734       if (set_grid_button)
8735       {
8736         overlay.grid_button[x][y] =
8737           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8738            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8739            grid_button_tmp[x][y]);
8740
8741         set_grid_button = FALSE;
8742       }
8743     }
8744
8745     BackToFront();
8746   }
8747
8748   for (x = 0; x < MAX_GRID_XSIZE; x++)
8749     for (y = 0; y < MAX_GRID_YSIZE; y++)
8750       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8751
8752   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8753
8754   SetOverlayShowGrid(FALSE);
8755
8756   return success;
8757 }
8758
8759 void ConfigureVirtualButtons(void)
8760 {
8761   boolean success = ConfigureVirtualButtonsMain();
8762
8763   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8764                          SCREEN_MASK_TOUCH2);
8765
8766   if (success)
8767   {
8768     int font_nr = FONT_TITLE_1;
8769     int font_height = getFontHeight(font_nr);
8770     int ypos1 = SYSIZE / 2 - font_height * 2;
8771     int ypos2 = SYSIZE / 2 - font_height * 1;
8772     unsigned int wait_frame_delay = 0;
8773     unsigned int wait_frame_delay_value = 2000;
8774
8775     ResetDelayCounter(&wait_frame_delay);
8776
8777     ClearField();
8778
8779     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8780     DrawTextSCentered(ypos2, font_nr, "configured!");
8781
8782     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8783       BackToFront();
8784
8785     ClearEventQueue();
8786   }
8787 }
8788
8789 void DrawSetupScreen(void)
8790 {
8791   align_xoffset = 0;
8792   align_yoffset = 0;
8793
8794   if (setup_mode == SETUP_MODE_INPUT)
8795     DrawSetupScreen_Input();
8796   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8797     DrawChooseTree(&game_speed_current);
8798   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8799     DrawChooseTree(&scroll_delay_current);
8800   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8801     DrawChooseTree(&snapshot_mode_current);
8802   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8803     DrawChooseTree(&window_size_current);
8804   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8805     DrawChooseTree(&scaling_type_current);
8806   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8807     DrawChooseTree(&rendering_mode_current);
8808   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8809     DrawChooseTree(&vsync_mode_current);
8810   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8811     DrawChooseTree(&artwork.gfx_current);
8812   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8813     DrawChooseTree(&artwork.snd_current);
8814   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8815     DrawChooseTree(&artwork.mus_current);
8816   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8817     DrawChooseTree(&volume_simple_current);
8818   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8819     DrawChooseTree(&volume_loops_current);
8820   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8821     DrawChooseTree(&volume_music_current);
8822   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8823     DrawChooseTree(&touch_control_current);
8824   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8825     DrawChooseTree(&move_distance_current);
8826   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8827     DrawChooseTree(&drop_distance_current);
8828   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8829     DrawChooseTree(&transparency_current);
8830   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8831     DrawChooseTree(&grid_size_current[0][0]);
8832   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8833     DrawChooseTree(&grid_size_current[0][1]);
8834   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8835     DrawChooseTree(&grid_size_current[1][0]);
8836   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8837     DrawChooseTree(&grid_size_current[1][1]);
8838   else
8839     DrawSetupScreen_Generic();
8840
8841   PlayMenuSoundsAndMusic();
8842 }
8843
8844 void RedrawSetupScreenAfterFullscreenToggle(void)
8845 {
8846   if (setup_mode == SETUP_MODE_GRAPHICS ||
8847       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8848   {
8849     // update list selection from "setup.window_scaling_percent"
8850     execSetupGraphics_setWindowSizes(TRUE);
8851
8852     DrawSetupScreen();
8853   }
8854 }
8855
8856 void RedrawSetupScreenAfterScreenRotation(int nr)
8857 {
8858   int x, y;
8859
8860   if (setup_mode == SETUP_MODE_TOUCH)
8861   {
8862     // update virtual button settings (depending on screen orientation)
8863     DrawSetupScreen();
8864   }
8865   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8866   {
8867     // save already configured virtual buttons
8868     for (x = 0; x < MAX_GRID_XSIZE; x++)
8869       for (y = 0; y < MAX_GRID_YSIZE; y++)
8870         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8871   }
8872 }
8873
8874 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8875 {
8876   if (setup_mode == SETUP_MODE_INPUT)
8877     HandleSetupScreen_Input(mx, my, dx, dy, button);
8878   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8879     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8880   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8881     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8882   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8883     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8884   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8885     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8886   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8887     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8888   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8889     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8890   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8891     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8892   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8893     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8894   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8895     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8896   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8897     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8898   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8899     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8900   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8901     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8902   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8903     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8904   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8905     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8906   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8907     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8908   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8909     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8910   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8911     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8912   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8913     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8914   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8915     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8916   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8917     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8918   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8919     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8920   else
8921     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8922 }
8923
8924 void HandleGameActions(void)
8925 {
8926   if (setup.ask_on_game_over)
8927     CheckGameOver();
8928
8929   if (game.restart_game_message != NULL)
8930   {
8931     RequestRestartGame(game.restart_game_message);
8932
8933     return;
8934   }
8935
8936   if (game_status != GAME_MODE_PLAYING)
8937     return;
8938
8939   GameActions();        // main game loop
8940
8941   if (tape.auto_play && !tape.playing)
8942     AutoPlayTapes();    // continue automatically playing next tape
8943 }
8944
8945
8946 // ---------- new screen button stuff --------------------------------------
8947
8948 static struct
8949 {
8950   int gfx_unpressed, gfx_pressed;
8951   struct MenuPosInfo *pos;
8952   boolean *check_value;
8953   int gadget_id;
8954   int screen_mask;
8955   unsigned int event_mask;
8956   boolean is_touch_button;
8957   char *infotext;
8958 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8959 {
8960   {
8961     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8962     &menu.main.button.prev_level, NULL,
8963     SCREEN_CTRL_ID_PREV_LEVEL,
8964     SCREEN_MASK_MAIN,
8965     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8966     FALSE, "previous level"
8967   },
8968   {
8969     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8970     &menu.main.button.next_level, NULL,
8971     SCREEN_CTRL_ID_NEXT_LEVEL,
8972     SCREEN_MASK_MAIN,
8973     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8974     FALSE, "next level"
8975   },
8976   {
8977     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8978     &menu.main.button.first_level, NULL,
8979     SCREEN_CTRL_ID_FIRST_LEVEL,
8980     SCREEN_MASK_MAIN,
8981     GD_EVENT_RELEASED,
8982     FALSE, "first level"
8983   },
8984   {
8985     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8986     &menu.main.button.last_level, NULL,
8987     SCREEN_CTRL_ID_LAST_LEVEL,
8988     SCREEN_MASK_MAIN,
8989     GD_EVENT_RELEASED,
8990     FALSE, "last level"
8991   },
8992   {
8993     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8994     &menu.main.button.level_number, NULL,
8995     SCREEN_CTRL_ID_LEVEL_NUMBER,
8996     SCREEN_MASK_MAIN,
8997     GD_EVENT_RELEASED,
8998     FALSE, "level number"
8999   },
9000   {
9001     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9002     &menu.setup.button.prev_player, NULL,
9003     SCREEN_CTRL_ID_PREV_PLAYER,
9004     SCREEN_MASK_INPUT,
9005     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9006     FALSE, "previous player"
9007   },
9008   {
9009     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9010     &menu.setup.button.next_player, NULL,
9011     SCREEN_CTRL_ID_NEXT_PLAYER,
9012     SCREEN_MASK_INPUT,
9013     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9014     FALSE, "next player"
9015   },
9016   {
9017     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9018     &menu.main.button.insert_solution, NULL,
9019     SCREEN_CTRL_ID_INSERT_SOLUTION,
9020     SCREEN_MASK_MAIN_HAS_SOLUTION,
9021     GD_EVENT_RELEASED,
9022     FALSE, "insert solution tape"
9023   },
9024   {
9025     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9026     &menu.main.button.play_solution, NULL,
9027     SCREEN_CTRL_ID_PLAY_SOLUTION,
9028     SCREEN_MASK_MAIN_HAS_SOLUTION,
9029     GD_EVENT_RELEASED,
9030     FALSE, "play solution tape"
9031   },
9032   {
9033     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9034     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9035     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9036     SCREEN_MASK_MAIN,
9037     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9038     FALSE, "switch ECS/AGA chipset"
9039   },
9040   {
9041     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9042     &menu.setup.button.touch_back, NULL,
9043     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9044     SCREEN_MASK_TOUCH,
9045     GD_EVENT_RELEASED,
9046     TRUE, "previous page"
9047   },
9048   {
9049     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9050     &menu.setup.button.touch_next, NULL,
9051     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9052     SCREEN_MASK_TOUCH,
9053     GD_EVENT_RELEASED,
9054     TRUE, "next page"
9055   },
9056   {
9057     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9058     &menu.setup.button.touch_back2, NULL,
9059     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9060     SCREEN_MASK_TOUCH2,
9061     GD_EVENT_RELEASED,
9062     TRUE, "previous page"
9063   },
9064   {
9065     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9066     &menu.setup.button.touch_next2, NULL,
9067     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9068     SCREEN_MASK_TOUCH2,
9069     GD_EVENT_RELEASED,
9070     TRUE, "next page"
9071   },
9072 };
9073
9074 static struct
9075 {
9076   int gfx_unpressed, gfx_pressed;
9077   int x, y;
9078   int gadget_id;
9079   char *infotext;
9080 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9081 {
9082   {
9083     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9084     -1, -1,     // these values are not constant, but can change at runtime
9085     SCREEN_CTRL_ID_SCROLL_UP,
9086     "scroll up"
9087   },
9088   {
9089     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9090     -1, -1,     // these values are not constant, but can change at runtime
9091     SCREEN_CTRL_ID_SCROLL_DOWN,
9092     "scroll down"
9093   }
9094 };
9095
9096 static struct
9097 {
9098   int gfx_unpressed, gfx_pressed;
9099   int x, y;
9100   int width, height;
9101   int type;
9102   int gadget_id;
9103   char *infotext;
9104 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9105 {
9106   {
9107     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9108     -1, -1,     // these values are not constant, but can change at runtime
9109     -1, -1,     // these values are not constant, but can change at runtime
9110     GD_TYPE_SCROLLBAR_VERTICAL,
9111     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9112     "scroll level series vertically"
9113   }
9114 };
9115
9116 static struct
9117 {
9118   int graphic;
9119   int gadget_id;
9120   int x, y;
9121   int size;
9122   char *value;
9123   char *infotext;
9124 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9125 {
9126   {
9127     IMG_SETUP_INPUT_TEXT,
9128     SCREEN_CTRL_ID_NETWORK_SERVER,
9129     -1, -1,     // these values are not constant, but can change at runtime
9130     MAX_SETUP_TEXT_INPUT_LEN,
9131     network_server_hostname,
9132     "Network Server Hostname / IP"
9133   },
9134 };
9135
9136 static void CreateScreenMenubuttons(void)
9137 {
9138   struct GadgetInfo *gi;
9139   unsigned int event_mask;
9140   int i;
9141
9142   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9143   {
9144     struct MenuPosInfo *pos = menubutton_info[i].pos;
9145     boolean is_touch_button = menubutton_info[i].is_touch_button;
9146     boolean is_check_button = menubutton_info[i].check_value != NULL;
9147     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9148     int gfx_unpressed, gfx_pressed;
9149     int x, y, width, height;
9150     int gd_x1, gd_x2, gd_y1, gd_y2;
9151     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9152     int id = menubutton_info[i].gadget_id;
9153     int type = GD_TYPE_NORMAL_BUTTON;
9154     boolean checked = FALSE;
9155
9156     event_mask = menubutton_info[i].event_mask;
9157
9158     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9159     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9160
9161     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9162     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9163
9164     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9165     gfx_pressed   = menubutton_info[i].gfx_pressed;
9166     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9167     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9168     gd_x1 = graphic_info[gfx_unpressed].src_x;
9169     gd_y1 = graphic_info[gfx_unpressed].src_y;
9170     gd_x2 = graphic_info[gfx_pressed].src_x;
9171     gd_y2 = graphic_info[gfx_pressed].src_y;
9172     gd_x1a = gd_x1;
9173     gd_y1a = gd_y1;
9174     gd_x2a = gd_x2;
9175     gd_y2a = gd_y2;
9176
9177     if (is_touch_button)
9178     {
9179       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9180       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9181     }
9182
9183     if (is_check_button)
9184     {
9185       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9186       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9187       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9188       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9189
9190       type = GD_TYPE_CHECK_BUTTON;
9191       checked = *menubutton_info[i].check_value;
9192     }
9193
9194     gi = CreateGadget(GDI_CUSTOM_ID, id,
9195                       GDI_CUSTOM_TYPE_ID, i,
9196                       GDI_IMAGE_ID, gfx_unpressed,
9197                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9198                       GDI_X, x,
9199                       GDI_Y, y,
9200                       GDI_WIDTH, width,
9201                       GDI_HEIGHT, height,
9202                       GDI_TYPE, type,
9203                       GDI_STATE, GD_BUTTON_UNPRESSED,
9204                       GDI_CHECKED, checked,
9205                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9206                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9207                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9208                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9209                       GDI_DIRECT_DRAW, FALSE,
9210                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9211                       GDI_EVENT_MASK, event_mask,
9212                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9213                       GDI_END);
9214
9215     if (gi == NULL)
9216       Fail("cannot create gadget");
9217
9218     screen_gadget[id] = gi;
9219   }
9220 }
9221
9222 static void CreateScreenScrollbuttons(void)
9223 {
9224   struct GadgetInfo *gi;
9225   unsigned int event_mask;
9226   int i;
9227
9228   // these values are not constant, but can change at runtime
9229   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9230   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9231   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9232   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9233
9234   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9235   {
9236     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9237     int gfx_unpressed, gfx_pressed;
9238     int x, y, width, height;
9239     int gd_x1, gd_x2, gd_y1, gd_y2;
9240     int id = scrollbutton_info[i].gadget_id;
9241
9242     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9243
9244     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9245     y = mSY + scrollbutton_info[i].y;
9246     width = SC_SCROLLBUTTON_XSIZE;
9247     height = SC_SCROLLBUTTON_YSIZE;
9248
9249     // correct scrollbar position if placed outside menu (playfield) area
9250     if (x > SX + SC_SCROLL_UP_XPOS)
9251       x = SX + SC_SCROLL_UP_XPOS;
9252
9253     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9254       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9255                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9256
9257     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9258     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9259     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9260     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9261     gd_x1 = graphic_info[gfx_unpressed].src_x;
9262     gd_y1 = graphic_info[gfx_unpressed].src_y;
9263     gd_x2 = graphic_info[gfx_pressed].src_x;
9264     gd_y2 = graphic_info[gfx_pressed].src_y;
9265
9266     gi = CreateGadget(GDI_CUSTOM_ID, id,
9267                       GDI_CUSTOM_TYPE_ID, i,
9268                       GDI_IMAGE_ID, gfx_unpressed,
9269                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9270                       GDI_X, x,
9271                       GDI_Y, y,
9272                       GDI_WIDTH, width,
9273                       GDI_HEIGHT, height,
9274                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9275                       GDI_STATE, GD_BUTTON_UNPRESSED,
9276                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9277                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9278                       GDI_DIRECT_DRAW, FALSE,
9279                       GDI_EVENT_MASK, event_mask,
9280                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9281                       GDI_END);
9282
9283     if (gi == NULL)
9284       Fail("cannot create gadget");
9285
9286     screen_gadget[id] = gi;
9287   }
9288 }
9289
9290 static void CreateScreenScrollbars(void)
9291 {
9292   int i;
9293
9294   // these values are not constant, but can change at runtime
9295   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9296   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9297   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9298   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9299
9300   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9301   {
9302     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9303     int gfx_unpressed, gfx_pressed;
9304     int x, y, width, height;
9305     int gd_x1, gd_x2, gd_y1, gd_y2;
9306     struct GadgetInfo *gi;
9307     int items_max, items_visible, item_position;
9308     unsigned int event_mask;
9309     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9310     int id = scrollbar_info[i].gadget_id;
9311
9312     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9313
9314     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9315     y = mSY + scrollbar_info[i].y;
9316     width  = scrollbar_info[i].width;
9317     height = scrollbar_info[i].height;
9318
9319     // correct scrollbar position if placed outside menu (playfield) area
9320     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9321       x = SX + SC_SCROLL_VERTICAL_XPOS;
9322
9323     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9324       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9325
9326     items_max = num_page_entries;
9327     items_visible = num_page_entries;
9328     item_position = 0;
9329
9330     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9331     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9332     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9333     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9334     gd_x1 = graphic_info[gfx_unpressed].src_x;
9335     gd_y1 = graphic_info[gfx_unpressed].src_y;
9336     gd_x2 = graphic_info[gfx_pressed].src_x;
9337     gd_y2 = graphic_info[gfx_pressed].src_y;
9338
9339     gi = CreateGadget(GDI_CUSTOM_ID, id,
9340                       GDI_CUSTOM_TYPE_ID, i,
9341                       GDI_IMAGE_ID, gfx_unpressed,
9342                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9343                       GDI_X, x,
9344                       GDI_Y, y,
9345                       GDI_WIDTH, width,
9346                       GDI_HEIGHT, height,
9347                       GDI_TYPE, scrollbar_info[i].type,
9348                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9349                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9350                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9351                       GDI_WHEEL_AREA_X, SX,
9352                       GDI_WHEEL_AREA_Y, SY,
9353                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9354                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9355                       GDI_STATE, GD_BUTTON_UNPRESSED,
9356                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9357                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9358                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9359                       GDI_DIRECT_DRAW, FALSE,
9360                       GDI_EVENT_MASK, event_mask,
9361                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9362                       GDI_END);
9363
9364     if (gi == NULL)
9365       Fail("cannot create gadget");
9366
9367     screen_gadget[id] = gi;
9368   }
9369 }
9370
9371 static void CreateScreenTextInputGadgets(void)
9372 {
9373   int i;
9374
9375   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9376   {
9377     int graphic = textinput_info[i].graphic;
9378     struct GraphicInfo *gd = &graphic_info[graphic];
9379     int gd_x1 = gd->src_x;
9380     int gd_y1 = gd->src_y;
9381     int gd_x2 = gd->src_x + gd->active_xoffset;
9382     int gd_y2 = gd->src_y + gd->active_yoffset;
9383     struct GadgetInfo *gi;
9384     unsigned int event_mask;
9385     int id = textinput_info[i].gadget_id;
9386     int x = textinput_info[i].x;
9387     int y = textinput_info[i].y;
9388
9389     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9390
9391     gi = CreateGadget(GDI_CUSTOM_ID, id,
9392                       GDI_CUSTOM_TYPE_ID, i,
9393                       GDI_INFO_TEXT, textinput_info[i].infotext,
9394                       GDI_X, SX + x,
9395                       GDI_Y, SY + y,
9396                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9397                       GDI_TEXT_VALUE, textinput_info[i].value,
9398                       GDI_TEXT_SIZE, textinput_info[i].size,
9399                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9400                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9401                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9402                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9403                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9404                       GDI_DESIGN_WIDTH, gd->width,
9405                       GDI_EVENT_MASK, event_mask,
9406                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9407                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9408                       GDI_END);
9409
9410     if (gi == NULL)
9411       Fail("cannot create gadget");
9412
9413     screen_gadget[id] = gi;
9414   }
9415 }
9416
9417 void CreateScreenGadgets(void)
9418 {
9419   CreateScreenMenubuttons();
9420
9421   CreateScreenScrollbuttons();
9422   CreateScreenScrollbars();
9423
9424   CreateScreenTextInputGadgets();
9425 }
9426
9427 void FreeScreenGadgets(void)
9428 {
9429   int i;
9430
9431   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9432     FreeGadget(screen_gadget[i]);
9433 }
9434
9435 static void MapScreenMenuGadgets(int screen_mask)
9436 {
9437   int i;
9438
9439   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9440     if (screen_mask & menubutton_info[i].screen_mask)
9441       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9442 }
9443
9444 static void UnmapScreenMenuGadgets(int screen_mask)
9445 {
9446   int i;
9447
9448   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9449   {
9450     if (screen_mask & menubutton_info[i].screen_mask)
9451     {
9452       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9453
9454       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9455         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9456                        screen_gadget[menubutton_info[i].gadget_id]->y,
9457                        screen_gadget[menubutton_info[i].gadget_id]->width,
9458                        screen_gadget[menubutton_info[i].gadget_id]->height);
9459     }
9460   }
9461 }
9462
9463 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9464 {
9465   if (map_gadgets)
9466     MapScreenMenuGadgets(screen_mask);
9467   else
9468     UnmapScreenMenuGadgets(screen_mask);
9469 }
9470
9471 static void MapScreenGadgets(int num_entries)
9472 {
9473   int i;
9474
9475   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9476     return;
9477
9478   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9479     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9480
9481   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9482     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9483 }
9484
9485 static void MapScreenTreeGadgets(TreeInfo *ti)
9486 {
9487   MapScreenGadgets(numTreeInfoInGroup(ti));
9488 }
9489
9490 static void HandleScreenGadgets(struct GadgetInfo *gi)
9491 {
9492   int id = gi->custom_id;
9493   int button = gi->event.button;
9494   int step = (button == MB_LEFTBUTTON   ? 1 :
9495               button == MB_MIDDLEBUTTON ? 5 :
9496               button == MB_RIGHTBUTTON  ? 10 : 1);
9497
9498   switch (id)
9499   {
9500     case SCREEN_CTRL_ID_PREV_LEVEL:
9501       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9502       break;
9503
9504     case SCREEN_CTRL_ID_NEXT_LEVEL:
9505       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9506       break;
9507
9508     case SCREEN_CTRL_ID_FIRST_LEVEL:
9509       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9510       break;
9511
9512     case SCREEN_CTRL_ID_LAST_LEVEL:
9513       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9514       break;
9515
9516     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9517       CloseDoor(DOOR_CLOSE_2);
9518       SetGameStatus(GAME_MODE_LEVELNR);
9519       DrawChooseLevelNr();
9520       break;
9521
9522     case SCREEN_CTRL_ID_PREV_PLAYER:
9523       HandleSetupScreen_Input_Player(step, -1);
9524       break;
9525
9526     case SCREEN_CTRL_ID_NEXT_PLAYER:
9527       HandleSetupScreen_Input_Player(step, +1);
9528       break;
9529
9530     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9531       InsertSolutionTape();
9532       break;
9533
9534     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9535       PlaySolutionTape();
9536       break;
9537
9538     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9539       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9540       DrawMainMenu();
9541       break;
9542
9543     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9544     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9545     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9546     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9547       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9548       break;
9549
9550     case SCREEN_CTRL_ID_SCROLL_UP:
9551       if (game_status == GAME_MODE_NAMES)
9552         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9553       else if (game_status == GAME_MODE_LEVELS)
9554         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9555       else if (game_status == GAME_MODE_LEVELNR)
9556         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9557       else if (game_status == GAME_MODE_SETUP)
9558         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9559       else if (game_status == GAME_MODE_INFO)
9560         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9561       break;
9562
9563     case SCREEN_CTRL_ID_SCROLL_DOWN:
9564       if (game_status == GAME_MODE_NAMES)
9565         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9566       else if (game_status == GAME_MODE_LEVELS)
9567         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9568       else if (game_status == GAME_MODE_LEVELNR)
9569         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9570       else if (game_status == GAME_MODE_SETUP)
9571         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9572       else if (game_status == GAME_MODE_INFO)
9573         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9574       break;
9575
9576     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9577       if (game_status == GAME_MODE_NAMES)
9578         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9579       else if (game_status == GAME_MODE_LEVELS)
9580         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9581       else if (game_status == GAME_MODE_LEVELNR)
9582         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9583       else if (game_status == GAME_MODE_SETUP)
9584         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9585       else if (game_status == GAME_MODE_INFO)
9586         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9587       break;
9588
9589     case SCREEN_CTRL_ID_NETWORK_SERVER:
9590     {
9591       if (!strEqual(gi->textinput.value, ""))
9592       {
9593         setString(&setup.network_server_hostname, gi->textinput.value);
9594
9595         network.server_host = setup.network_server_hostname;
9596       }
9597       else
9598       {
9599         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9600
9601         network.server_host = NULL;
9602       }
9603
9604       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9605         network.server_host = NULL;
9606
9607       execSetupGame_setNetworkServerText();
9608
9609       DrawSetupScreen();
9610
9611       break;
9612     }
9613
9614     default:
9615       break;
9616   }
9617 }
9618
9619 void DumpScreenIdentifiers(void)
9620 {
9621   int i;
9622
9623   Print("Active screen elements on current screen:\n");
9624
9625   for (i = 0; main_controls[i].nr != -1; i++)
9626   {
9627     struct MainControlInfo *mci = &main_controls[i];
9628
9629     if (mci->button_graphic != -1)
9630     {
9631       char *token = getTokenFromImageID(mci->button_graphic);
9632
9633       Print("- '%s'\n", token);
9634     }
9635   }
9636
9637   Print("Done.\n");
9638 }
9639
9640 boolean DoScreenAction(int image_id)
9641 {
9642   int i;
9643
9644   if (game_status != GAME_MODE_MAIN)
9645     return FALSE;
9646
9647   for (i = 0; main_controls[i].nr != -1; i++)
9648   {
9649     struct MainControlInfo *mci = &main_controls[i];
9650     struct MenuPosInfo *pos = mci->pos_button;
9651
9652     if (mci->button_graphic == image_id)
9653     {
9654       int x = mSX + pos->x;
9655       int y = mSY + pos->y;
9656
9657       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9658
9659       return TRUE;
9660     }
9661   }
9662
9663   return FALSE;
9664 }
9665
9666 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9667 {
9668   // get tree info node of newly added level or artwork set
9669   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9670   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9671                                                       tree_subdir_new);
9672   if (tree_node_new == NULL)    // should not happen
9673     return;
9674
9675   // if request dialog is active, do nothing
9676   if (game.request_active)
9677     return;
9678
9679   if (game_status == GAME_MODE_MAIN &&
9680       tree_type == TREE_TYPE_LEVEL_DIR)
9681   {
9682     // when adding new level set in main menu, select it as current level set
9683
9684     // change current level set to newly added level set from zip file
9685     leveldir_current = tree_node_new;
9686
9687     // change current level number to first level of newly added level set
9688     level_nr = leveldir_current->first_level;
9689
9690     // redraw screen to reflect changed level set
9691     DrawMainMenu();
9692
9693     // save this level set and level number as last selected level set
9694     SaveLevelSetup_LastSeries();
9695     SaveLevelSetup_SeriesInfo();
9696   }
9697   else if (game_status == GAME_MODE_LEVELS &&
9698            tree_type == TREE_TYPE_LEVEL_DIR)
9699   {
9700     // when adding new level set in level set menu, set cursor and update screen
9701
9702     leveldir_current = tree_node_new;
9703
9704     DrawChooseTree(&leveldir_current);
9705   }
9706   else if (game_status == GAME_MODE_SETUP)
9707   {
9708     // when adding new artwork set in setup menu, set cursor and update screen
9709
9710     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9711         tree_type == TREE_TYPE_GRAPHICS_DIR)
9712     {
9713       artwork.gfx_current = tree_node_new;
9714
9715       DrawChooseTree(&artwork.gfx_current);
9716     }
9717     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9718              tree_type == TREE_TYPE_SOUNDS_DIR)
9719     {
9720       artwork.snd_current = tree_node_new;
9721
9722       DrawChooseTree(&artwork.snd_current);
9723     }
9724     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9725              tree_type == TREE_TYPE_MUSIC_DIR)
9726     {
9727       artwork.mus_current = tree_node_new;
9728
9729       DrawChooseTree(&artwork.mus_current);
9730     }
9731   }
9732 }