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