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