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 //                  http://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // for input setup functions
 127 #define SETUPINPUT_SCREEN_POS_START     0
 128 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 129 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 130 #define SETUPINPUT_SCREEN_POS_END       13
 131
 132 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 133 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 134
 135 #define MAX_SETUP_TEXT_INPUT_LEN        28
 136
 137 // for various menu stuff
 138 #define MENU_SCREEN_START_XPOS          1
 139 #define MENU_SCREEN_START_YPOS          2
 140 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 141 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 142 #define MENU_TITLE1_YPOS                8
 143 #define MENU_TITLE2_YPOS                46
 144 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 145 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 146 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 147 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 148 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 149 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 150 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 151 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 152 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 153 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 154 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 155                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 156                                                          MENU_INFO_FONT_TITLE))
 157 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 158 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 159 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 160                                          MENU_SCREEN_INFO_YSTART2 -     \
 161                                          TILEY / 2)
 162 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 163 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 164                                          MENU_SCREEN_INFO_YSTEP)
 165 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 166   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 167    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 168    MAX_MENU_ENTRIES_ON_SCREEN)
 169 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 170                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 171                                             NUM_INFO_ELEMENTS_FROM_CONF)
 172 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 173 #define MAX_MENU_TEXT_LENGTH_BIG        13
 174 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 175
 176 // screen gadget identifiers
 177 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 178 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 179 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 180 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 181 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 182 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 183 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 184 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 185 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 186 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 187 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 188 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 189 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 190 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 191 #define SCREEN_CTRL_ID_SCROLL_UP        14
 192 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 193 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 194 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 195
 196 #define NUM_SCREEN_GADGETS              18
 197
 198 #define NUM_SCREEN_MENUBUTTONS          14
 199 #define NUM_SCREEN_SCROLLBUTTONS        2
 200 #define NUM_SCREEN_SCROLLBARS           1
 201 #define NUM_SCREEN_TEXTINPUT            1
 202
 203 #define SCREEN_MASK_MAIN                (1 << 0)
 204 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 205 #define SCREEN_MASK_INPUT               (1 << 2)
 206 #define SCREEN_MASK_TOUCH               (1 << 3)
 207 #define SCREEN_MASK_TOUCH2              (1 << 4)
 208
 209 // graphic position and size values for buttons and scrollbars
 210 #define SC_MENUBUTTON_XSIZE             TILEX
 211 #define SC_MENUBUTTON_YSIZE             TILEY
 212
 213 #define SC_SCROLLBUTTON_XSIZE           TILEX
 214 #define SC_SCROLLBUTTON_YSIZE           TILEY
 215
 216 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 217
 218 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 219 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 220                                          SC_SCROLLBUTTON_YSIZE)
 221
 222 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 223 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 224
 225 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 226 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 227                                          SC_SCROLLBUTTON_YSIZE)
 228
 229 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 230 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 231                                          SC_SCROLL_VERTICAL_YSIZE)
 232
 233 #define SC_BORDER_SIZE                  14
 234
 235
 236 // forward declarations of internal functions
 237 static void HandleScreenGadgets(struct GadgetInfo *);
 238 static void HandleSetupScreen_Generic(int, int, int, int, int);
 239 static void HandleSetupScreen_Input(int, int, int, int, int);
 240 static void CustomizeKeyboard(int);
 241 static void ConfigureJoystick(int);
 242 static void ConfigureVirtualButtons(void);
 243 static void execSetupGame(void);
 244 static void execSetupEngines(void);
 245 static void execSetupGraphics(void);
 246 static void execSetupSound(void);
 247 static void execSetupTouch(void);
 248 static void execSetupArtwork(void);
 249 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 250
 251 static void DrawChooseLevelSet(void);
 252 static void DrawChooseLevelNr(void);
 253 static void DrawInfoScreen(void);
 254 static void DrawSetupScreen(void);
 255
 256 static void DrawInfoScreen_NotAvailable(char *, char *);
 257 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 258 static void DrawInfoScreen_HelpText(int, int, int, int);
 259 static void HandleInfoScreen_Main(int, int, int, int, int);
 260 static void HandleInfoScreen_TitleScreen(int);
 261 static void HandleInfoScreen_Elements(int);
 262 static void HandleInfoScreen_Music(int);
 263 static void HandleInfoScreen_Credits(int);
 264 static void HandleInfoScreen_Program(int);
 265 static void HandleInfoScreen_Version(int);
 266
 267 static void ModifyGameSpeedIfNeeded(void);
 268 static void DisableVsyncIfNeeded(void);
 269
 270 static void MapScreenMenuGadgets(int);
 271 static void UnmapScreenMenuGadgets(int);
 272 static void MapScreenGadgets(int);
 273 static void MapScreenTreeGadgets(TreeInfo *);
 274
 275 static void UpdateScreenMenuGadgets(int, boolean);
 276
 277 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 278
 279 static int info_mode = INFO_MODE_MAIN;
 280 static int setup_mode = SETUP_MODE_MAIN;
 281
 282 static TreeInfo *window_sizes = NULL;
 283 static TreeInfo *window_size_current = NULL;
 284
 285 static TreeInfo *scaling_types = NULL;
 286 static TreeInfo *scaling_type_current = NULL;
 287
 288 static TreeInfo *rendering_modes = NULL;
 289 static TreeInfo *rendering_mode_current = NULL;
 290
 291 static TreeInfo *vsync_modes = NULL;
 292 static TreeInfo *vsync_mode_current = NULL;
 293
 294 static TreeInfo *scroll_delays = NULL;
 295 static TreeInfo *scroll_delay_current = NULL;
 296
 297 static TreeInfo *snapshot_modes = NULL;
 298 static TreeInfo *snapshot_mode_current = NULL;
 299
 300 static TreeInfo *game_speeds_normal = NULL;
 301 static TreeInfo *game_speeds_extended = NULL;
 302 static TreeInfo *game_speeds = NULL;
 303 static TreeInfo *game_speed_current = NULL;
 304
 305 static TreeInfo *volumes_simple = NULL;
 306 static TreeInfo *volume_simple_current = NULL;
 307
 308 static TreeInfo *volumes_loops = NULL;
 309 static TreeInfo *volume_loops_current = NULL;
 310
 311 static TreeInfo *volumes_music = NULL;
 312 static TreeInfo *volume_music_current = NULL;
 313
 314 static TreeInfo *touch_controls = NULL;
 315 static TreeInfo *touch_control_current = NULL;
 316
 317 static TreeInfo *move_distances = NULL;
 318 static TreeInfo *move_distance_current = NULL;
 319
 320 static TreeInfo *drop_distances = NULL;
 321 static TreeInfo *drop_distance_current = NULL;
 322
 323 static TreeInfo *transparencies = NULL;
 324 static TreeInfo *transparency_current = NULL;
 325
 326 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 327 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 328
 329 static TreeInfo *level_number = NULL;
 330 static TreeInfo *level_number_current = NULL;
 331
 332 static struct ValueTextInfo window_sizes_list[] =
 333 {
 334   {     50,     "50 %"                          },
 335   {     80,     "80 %"                          },
 336   {     90,     "90 %"                          },
 337   {     100,    "100 % (Default)"               },
 338   {     110,    "110 %"                         },
 339   {     120,    "120 %"                         },
 340   {     130,    "130 %"                         },
 341   {     140,    "140 %"                         },
 342   {     150,    "150 %"                         },
 343   {     200,    "200 %"                         },
 344   {     250,    "250 %"                         },
 345   {     300,    "300 %"                         },
 346
 347   {     -1,     NULL                            },
 348 };
 349
 350 static struct StringValueTextInfo scaling_types_list[] =
 351 {
 352   {     SCALING_QUALITY_NEAREST, "Off"          },
 353   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 354   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 355
 356   {     NULL,                    NULL           },
 357 };
 358
 359 static struct StringValueTextInfo rendering_modes_list[] =
 360 {
 361   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 362   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 363 #if DEBUG
 364   // this mode may work under certain conditions, but does not work on Windows
 365   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 366 #endif
 367   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 368
 369   {     NULL,                            NULL                            },
 370 };
 371
 372 static struct StringValueTextInfo vsync_modes_list[] =
 373 {
 374   {     STR_VSYNC_MODE_OFF,             "Off"           },
 375   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 376   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 377
 378   {     NULL,                            NULL           },
 379 };
 380
 381 static struct ValueTextInfo game_speeds_list_normal[] =
 382 {
 383   {     30,     "Very Slow"                     },
 384   {     25,     "Slow"                          },
 385   {     20,     "Normal"                        },
 386   {     15,     "Fast"                          },
 387   {     10,     "Very Fast"                     },
 388
 389   {     -1,     NULL                            },
 390 };
 391
 392 static struct ValueTextInfo game_speeds_list_extended[] =
 393 {
 394   {     1000,   "1 fps (Extremely Slow)"        },
 395   {     500,    "2 fps"                         },
 396   {     200,    "5 fps"                         },
 397   {     100,    "10 fps"                        },
 398   {     50,     "20 fps"                        },
 399   {     29,     "35 fps (Original Supaplex)"    },
 400   {     25,     "40 fps"                        },
 401   {     20,     "50 fps (=== Normal Speed ===)" },
 402   {     16,     "60 fps (60 Hz VSync Speed)"    },
 403   {     14,     "70 fps (Maximum Supaplex)"     },
 404   {     10,     "100 fps"                       },
 405   {     5,      "200 fps"                       },
 406   {     2,      "500 fps"                       },
 407   {     1,      "1000 fps (Extremely Fast)"     },
 408
 409   {     -1,     NULL                            },
 410 };
 411
 412 static struct ValueTextInfo *game_speeds_list;
 413
 414 static struct ValueTextInfo scroll_delays_list[] =
 415 {
 416   {     0,      "0 Tiles (No Scroll Delay)"     },
 417   {     1,      "1 Tile"                        },
 418   {     2,      "2 Tiles"                       },
 419   {     3,      "3 Tiles (Default)"             },
 420   {     4,      "4 Tiles"                       },
 421   {     5,      "5 Tiles"                       },
 422   {     6,      "6 Tiles"                       },
 423   {     7,      "7 Tiles"                       },
 424   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 425
 426   {     -1,     NULL                            },
 427 };
 428
 429 static struct StringValueTextInfo snapshot_modes_list[] =
 430 {
 431   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 432   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 433   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 434   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 435
 436   {     NULL,                                   NULL            },
 437 };
 438
 439 static struct ValueTextInfo volumes_list[] =
 440 {
 441   {     0,      "0 %"                           },
 442   {     1,      "1 %"                           },
 443   {     2,      "2 %"                           },
 444   {     5,      "5 %"                           },
 445   {     10,     "10 %"                          },
 446   {     20,     "20 %"                          },
 447   {     30,     "30 %"                          },
 448   {     40,     "40 %"                          },
 449   {     50,     "50 %"                          },
 450   {     60,     "60 %"                          },
 451   {     70,     "70 %"                          },
 452   {     80,     "80 %"                          },
 453   {     90,     "90 %"                          },
 454   {     100,    "100 %"                         },
 455
 456   {     -1,     NULL                            },
 457 };
 458
 459 static struct StringValueTextInfo touch_controls_list[] =
 460 {
 461   {     TOUCH_CONTROL_OFF,              "Off"                   },
 462   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 463   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 464   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 465
 466   {     NULL,                           NULL                    },
 467 };
 468
 469 static struct ValueTextInfo distances_list[] =
 470 {
 471   {     1,      "1 %"                           },
 472   {     2,      "2 %"                           },
 473   {     3,      "3 %"                           },
 474   {     4,      "4 %"                           },
 475   {     5,      "5 %"                           },
 476   {     10,     "10 %"                          },
 477   {     15,     "15 %"                          },
 478   {     20,     "20 %"                          },
 479   {     25,     "25 %"                          },
 480
 481   {     -1,     NULL                            },
 482 };
 483
 484 static struct ValueTextInfo transparencies_list[] =
 485 {
 486   {     0,      "0 % (Opaque)"                  },
 487   {     10,     "10 %"                          },
 488   {     20,     "20 %"                          },
 489   {     30,     "30 %"                          },
 490   {     40,     "40 %"                          },
 491   {     50,     "50 %"                          },
 492   {     60,     "60 %"                          },
 493   {     70,     "70 %"                          },
 494   {     80,     "80 %"                          },
 495   {     90,     "90 %"                          },
 496   {     100,    "100 % (Invisible)"             },
 497
 498   {     -1,     NULL                            },
 499 };
 500
 501 static struct ValueTextInfo grid_sizes_list[] =
 502 {
 503   {     3,      "3"                             },
 504   {     4,      "4"                             },
 505   {     5,      "5"                             },
 506   {     6,      "6"                             },
 507   {     7,      "7"                             },
 508   {     8,      "8"                             },
 509   {     9,      "9"                             },
 510   {     10,     "10"                            },
 511   {     11,     "11"                            },
 512   {     12,     "12"                            },
 513   {     13,     "13"                            },
 514   {     14,     "14"                            },
 515   {     15,     "15"                            },
 516   {     16,     "16"                            },
 517   {     17,     "17"                            },
 518   {     18,     "18"                            },
 519   {     19,     "19"                            },
 520   {     20,     "20"                            },
 521   {     21,     "21"                            },
 522   {     22,     "22"                            },
 523   {     23,     "23"                            },
 524   {     24,     "24"                            },
 525   {     25,     "25"                            },
 526   {     26,     "26"                            },
 527   {     27,     "27"                            },
 528   {     28,     "28"                            },
 529   {     29,     "29"                            },
 530   {     30,     "30"                            },
 531   {     31,     "31"                            },
 532   {     32,     "32"                            },
 533
 534   {     -1,     NULL                            },
 535 };
 536
 537 static int align_xoffset = 0;
 538 static int align_yoffset = 0;
 539
 540 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 541                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 542                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 543                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 544
 545 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 546 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 547                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 548                                  INFO_MODE_MAIN)
 549
 550 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 551                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 552                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 553                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 554                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 555                                  SETUP_MODE_CHOOSE_OTHER)
 556
 557 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 558                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 559                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 560 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 561                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 562                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 563 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 564                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 565                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 566
 567 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 568                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 569                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 570 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 571                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 572                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 573 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 574                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 575                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 576
 577 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 578                                  DRAW_XOFFSET_INFO(info_mode) :         \
 579                                  (s) == GAME_MODE_SETUP ?               \
 580                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 581                                  menu.draw_xoffset[DRAW_MODE(s)])
 582 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 583                                  DRAW_YOFFSET_INFO(info_mode) :         \
 584                                  (s) == GAME_MODE_SETUP ?               \
 585                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 586                                  menu.draw_yoffset[DRAW_MODE(s)])
 587 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 588                                  EXTRA_SPACING_INFO(info_mode) :        \
 589                                  (s) == GAME_MODE_SETUP ?               \
 590                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 591                                  menu.extra_spacing[DRAW_MODE(s)])
 592
 593 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 594 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 595
 596 #define amSX                    (mSX + align_xoffset)
 597 #define amSY                    (mSY + align_yoffset)
 598
 599 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 600                                     menu.list_size[game_status] :       \
 601                                     MAX_MENU_ENTRIES_ON_SCREEN)
 602
 603 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 604                                          NUM_MENU_ENTRIES_ON_SCREEN)
 605
 606
 607 // title display and control definitions
 608
 609 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 610                                  2 * MAX_NUM_TITLE_MESSAGES)
 611
 612 #define NO_DIRECT_LEVEL_SELECT  (-1)
 613
 614
 615 static int num_title_screens = 0;
 616
 617 struct TitleControlInfo
 618 {
 619   boolean is_image;
 620   boolean initial;
 621   boolean first;
 622   int local_nr;
 623   int sort_priority;
 624 };
 625
 626 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 627
 628 // main menu display and control definitions
 629
 630 #define MAIN_CONTROL_NAME                       0
 631 #define MAIN_CONTROL_LEVELS                     1
 632 #define MAIN_CONTROL_SCORES                     2
 633 #define MAIN_CONTROL_EDITOR                     3
 634 #define MAIN_CONTROL_INFO                       4
 635 #define MAIN_CONTROL_GAME                       5
 636 #define MAIN_CONTROL_SETUP                      6
 637 #define MAIN_CONTROL_QUIT                       7
 638 #define MAIN_CONTROL_PREV_LEVEL                 8
 639 #define MAIN_CONTROL_NEXT_LEVEL                 9
 640 #define MAIN_CONTROL_FIRST_LEVEL                10
 641 #define MAIN_CONTROL_LAST_LEVEL                 11
 642 #define MAIN_CONTROL_LEVEL_NUMBER               12
 643 #define MAIN_CONTROL_LEVEL_INFO_1               13
 644 #define MAIN_CONTROL_LEVEL_INFO_2               14
 645 #define MAIN_CONTROL_LEVEL_NAME                 15
 646 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 647 #define MAIN_CONTROL_LEVEL_YEAR                 17
 648 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 649 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 650 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 651 #define MAIN_CONTROL_TITLE_1                    21
 652 #define MAIN_CONTROL_TITLE_2                    22
 653 #define MAIN_CONTROL_TITLE_3                    23
 654
 655 static char str_main_text_name[10];
 656 static char str_main_text_first_level[10];
 657 static char str_main_text_last_level[10];
 658 static char str_main_text_level_number[10];
 659
 660 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 661
 662 static char *main_text_name                     = str_main_text_name;
 663 static char *main_text_first_level              = str_main_text_first_level;
 664 static char *main_text_last_level               = str_main_text_last_level;
 665 static char *main_text_level_number             = str_main_text_level_number;
 666 static char *main_text_levels                   = "Levelset";
 667 static char *main_text_scores                   = "Hall Of Fame";
 668 static char *main_text_editor                   = "Level Creator";
 669 static char *main_text_info                     = "Info Screen";
 670 static char *main_text_game                     = "Start Game";
 671 static char *main_text_setup                    = "Setup";
 672 static char *main_text_quit                     = "Quit";
 673 static char *main_text_level_name               = level.name;
 674 static char *main_text_level_author             = level.author;
 675 static char *main_text_level_year               = NULL;
 676 static char *main_text_level_imported_from      = NULL;
 677 static char *main_text_level_imported_by        = NULL;
 678 static char *main_text_level_tested_by          = NULL;
 679 static char *main_text_title_1                  = NULL;
 680 static char *main_text_title_2                  = NULL;
 681 static char *main_text_title_3                  = NULL;
 682
 683 struct MainControlInfo
 684 {
 685   int nr;
 686
 687   struct MenuPosInfo *pos_button;
 688   int button_graphic;
 689
 690   struct TextPosInfo *pos_text;
 691   char **text;
 692
 693   struct TextPosInfo *pos_input;
 694   char **input;
 695 };
 696
 697 static struct MainControlInfo main_controls[] =
 698 {
 699   {
 700     MAIN_CONTROL_NAME,
 701     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 702     &menu.main.text.name,               &main_text_name,
 703     &menu.main.input.name,              &setup.player_name,
 704   },
 705   {
 706     MAIN_CONTROL_LEVELS,
 707     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 708     &menu.main.text.levels,             &main_text_levels,
 709     NULL,                               NULL,
 710   },
 711   {
 712     MAIN_CONTROL_SCORES,
 713     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 714     &menu.main.text.scores,             &main_text_scores,
 715     NULL,                               NULL,
 716   },
 717   {
 718     MAIN_CONTROL_EDITOR,
 719     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 720     &menu.main.text.editor,             &main_text_editor,
 721     NULL,                               NULL,
 722   },
 723   {
 724     MAIN_CONTROL_INFO,
 725     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 726     &menu.main.text.info,               &main_text_info,
 727     NULL,                               NULL,
 728   },
 729   {
 730     MAIN_CONTROL_GAME,
 731     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 732     &menu.main.text.game,               &main_text_game,
 733     NULL,                               NULL,
 734   },
 735   {
 736     MAIN_CONTROL_SETUP,
 737     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 738     &menu.main.text.setup,              &main_text_setup,
 739     NULL,                               NULL,
 740   },
 741   {
 742     MAIN_CONTROL_QUIT,
 743     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 744     &menu.main.text.quit,               &main_text_quit,
 745     NULL,                               NULL,
 746   },
 747   {
 748     MAIN_CONTROL_PREV_LEVEL,
 749     NULL,                               -1,
 750     NULL,                               NULL,
 751     NULL,                               NULL,
 752   },
 753   {
 754     MAIN_CONTROL_NEXT_LEVEL,
 755     NULL,                               -1,
 756     NULL,                               NULL,
 757     NULL,                               NULL,
 758   },
 759   {
 760     MAIN_CONTROL_FIRST_LEVEL,
 761     NULL,                               -1,
 762     &menu.main.text.first_level,        &main_text_first_level,
 763     NULL,                               NULL,
 764   },
 765   {
 766     MAIN_CONTROL_LAST_LEVEL,
 767     NULL,                               -1,
 768     &menu.main.text.last_level,         &main_text_last_level,
 769     NULL,                               NULL,
 770   },
 771   {
 772     MAIN_CONTROL_LEVEL_NUMBER,
 773     NULL,                               -1,
 774     &menu.main.text.level_number,       &main_text_level_number,
 775     NULL,                               NULL,
 776   },
 777   {
 778     MAIN_CONTROL_LEVEL_INFO_1,
 779     NULL,                               -1,
 780     &menu.main.text.level_info_1,       NULL,
 781     NULL,                               NULL,
 782   },
 783   {
 784     MAIN_CONTROL_LEVEL_INFO_2,
 785     NULL,                               -1,
 786     &menu.main.text.level_info_2,       NULL,
 787     NULL,                               NULL,
 788   },
 789   {
 790     MAIN_CONTROL_LEVEL_NAME,
 791     NULL,                               -1,
 792     &menu.main.text.level_name,         &main_text_level_name,
 793     NULL,                               NULL,
 794   },
 795   {
 796     MAIN_CONTROL_LEVEL_AUTHOR,
 797     NULL,                               -1,
 798     &menu.main.text.level_author,       &main_text_level_author,
 799     NULL,                               NULL,
 800   },
 801   {
 802     MAIN_CONTROL_LEVEL_YEAR,
 803     NULL,                               -1,
 804     &menu.main.text.level_year,         &main_text_level_year,
 805     NULL,                               NULL,
 806   },
 807   {
 808     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 809     NULL,                               -1,
 810     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 811     NULL,                               NULL,
 812   },
 813   {
 814     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 815     NULL,                               -1,
 816     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 817     NULL,                               NULL,
 818   },
 819   {
 820     MAIN_CONTROL_LEVEL_TESTED_BY,
 821     NULL,                               -1,
 822     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 823     NULL,                               NULL,
 824   },
 825   {
 826     MAIN_CONTROL_TITLE_1,
 827     NULL,                               -1,
 828     &menu.main.text.title_1,            &main_text_title_1,
 829     NULL,                               NULL,
 830   },
 831   {
 832     MAIN_CONTROL_TITLE_2,
 833     NULL,                               -1,
 834     &menu.main.text.title_2,            &main_text_title_2,
 835     NULL,                               NULL,
 836   },
 837   {
 838     MAIN_CONTROL_TITLE_3,
 839     NULL,                               -1,
 840     &menu.main.text.title_3,            &main_text_title_3,
 841     NULL,                               NULL,
 842   },
 843
 844   {
 845     -1,
 846     NULL,                               -1,
 847     NULL,                               NULL,
 848     NULL,                               NULL,
 849   }
 850 };
 851
 852
 853 static int getTitleScreenGraphic(int nr, boolean initial)
 854 {
 855   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 856 }
 857
 858 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 859 {
 860   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 861 }
 862
 863 #if 0
 864 static int getTitleScreenGameMode(boolean initial)
 865 {
 866   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 867 }
 868 #endif
 869
 870 static int getTitleMessageGameMode(boolean initial)
 871 {
 872   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 873 }
 874
 875 static int getTitleAnimMode(struct TitleControlInfo *tci)
 876 {
 877   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 878
 879   return base + tci->local_nr;
 880 }
 881
 882 #if 0
 883 static int getTitleScreenBackground(boolean initial)
 884 {
 885   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 886 }
 887 #endif
 888
 889 #if 0
 890 static int getTitleMessageBackground(int nr, boolean initial)
 891 {
 892   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 893 }
 894 #endif
 895
 896 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 897 {
 898   int base = (is_image ?
 899               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 900                          IMG_BACKGROUND_TITLESCREEN_1) :
 901               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 902                          IMG_BACKGROUND_TITLEMESSAGE_1));
 903   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 904                                   IMG_BACKGROUND_TITLE);
 905   int graphic_local = base + nr;
 906
 907   if (graphic_info[graphic_local].bitmap != NULL)
 908     return graphic_local;
 909
 910   if (graphic_info[graphic_global].bitmap != NULL)
 911     return graphic_global;
 912
 913   return IMG_UNDEFINED;
 914 }
 915
 916 static int getTitleSound(struct TitleControlInfo *tci)
 917 {
 918   boolean is_image = tci->is_image;
 919   int initial = tci->initial;
 920   int nr = tci->local_nr;
 921   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 922   int base = (is_image ?
 923               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 924                          SND_BACKGROUND_TITLESCREEN_1) :
 925               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 926                          SND_BACKGROUND_TITLEMESSAGE_1));
 927   int sound_global = menu.sound[mode];
 928   int sound_local = base + nr;
 929
 930 #if 0
 931   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 932          nr, initial, is_image,
 933          sound_global, getSoundListEntry(sound_global)->filename,
 934          sound_local, getSoundListEntry(sound_local)->filename);
 935 #endif
 936
 937   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 938     return sound_local;
 939
 940   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 941     return sound_global;
 942
 943   return SND_UNDEFINED;
 944 }
 945
 946 static int getTitleMusic(struct TitleControlInfo *tci)
 947 {
 948   boolean is_image = tci->is_image;
 949   int initial = tci->initial;
 950   int nr = tci->local_nr;
 951   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 952   int base = (is_image ?
 953               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 954                          MUS_BACKGROUND_TITLESCREEN_1) :
 955               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 956                          MUS_BACKGROUND_TITLEMESSAGE_1));
 957   int music_global = menu.music[mode];
 958   int music_local = base + nr;
 959
 960 #if 0
 961   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 962          nr, initial, is_image,
 963          music_global, getMusicListEntry(music_global)->filename,
 964          music_local, getMusicListEntry(music_local)->filename);
 965 #endif
 966
 967   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 968     return music_local;
 969
 970   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 971     return music_global;
 972
 973   return MUS_UNDEFINED;
 974 }
 975
 976 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 977 {
 978   boolean is_image = tci->is_image;
 979   boolean initial = tci->initial;
 980   boolean first = tci->first;
 981   int nr = tci->local_nr;
 982   struct TitleMessageInfo tmi;
 983   struct TitleFadingInfo ti;
 984
 985   tmi = (is_image ? (initial ? (first ?
 986                                 titlescreen_initial_first[nr] :
 987                                 titlescreen_initial[nr])
 988                              : (first ?
 989                                 titlescreen_first[nr] :
 990                                 titlescreen[nr]))
 991                   : (initial ? (first ?
 992                                 titlemessage_initial_first[nr] :
 993                                 titlemessage_initial[nr])
 994                              : (first ?
 995                                 titlemessage_first[nr] :
 996                                 titlemessage[nr])));
 997
 998   ti.fade_mode  = tmi.fade_mode;
 999   ti.fade_delay = tmi.fade_delay;
1000   ti.post_delay = tmi.post_delay;
1001   ti.auto_delay = tmi.auto_delay;
1002   ti.auto_delay_unit = tmi.auto_delay_unit;
1003
1004   return ti;
1005 }
1006
1007 static int compareTitleControlInfo(const void *object1, const void *object2)
1008 {
1009   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1010   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1011   int compare_result;
1012
1013   if (tci1->initial != tci2->initial)
1014     compare_result = (tci1->initial ? -1 : +1);
1015   else if (tci1->sort_priority != tci2->sort_priority)
1016     compare_result = tci1->sort_priority - tci2->sort_priority;
1017   else if (tci1->is_image != tci2->is_image)
1018     compare_result = (tci1->is_image ? -1 : +1);
1019   else
1020     compare_result = tci1->local_nr - tci2->local_nr;
1021
1022   return compare_result;
1023 }
1024
1025 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1026                                                     boolean initial,
1027                                                     int nr, int sort_priority)
1028 {
1029   title_controls[num_title_screens].is_image = is_image;
1030   title_controls[num_title_screens].initial = initial;
1031   title_controls[num_title_screens].local_nr = nr;
1032   title_controls[num_title_screens].sort_priority = sort_priority;
1033
1034   title_controls[num_title_screens].first = FALSE;      // will be set later
1035
1036   num_title_screens++;
1037 }
1038
1039 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1040 {
1041   int i;
1042
1043   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1044   {
1045     int graphic = getTitleScreenGraphic(i, initial);
1046     Bitmap *bitmap = graphic_info[graphic].bitmap;
1047     int sort_priority = graphic_info[graphic].sort_priority;
1048
1049     if (bitmap != NULL)
1050       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1051   }
1052
1053   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1054   {
1055     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1056     char *filename = getLevelSetTitleMessageFilename(i, initial);
1057     int sort_priority = tmi->sort_priority;
1058
1059     if (filename != NULL)
1060       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1061   }
1062 }
1063
1064 static void InitializeTitleControls(boolean show_title_initial)
1065 {
1066   num_title_screens = 0;
1067
1068   // 1st step: initialize title screens for game start (only when starting)
1069   if (show_title_initial)
1070     InitializeTitleControls_CheckTitleInfo(TRUE);
1071
1072   // 2nd step: initialize title screens for current level set
1073   InitializeTitleControls_CheckTitleInfo(FALSE);
1074
1075   // sort title screens according to sort_priority and title number
1076   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1077         compareTitleControlInfo);
1078
1079   // mark first title screen
1080   title_controls[0].first = TRUE;
1081 }
1082
1083 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1084 {
1085   return (pos != NULL && pos->x != -1 && pos->y != -1);
1086 }
1087
1088 static boolean visibleTextPos(struct TextPosInfo *pos)
1089 {
1090   return (pos != NULL && pos->x != -1 && pos->y != -1);
1091 }
1092
1093 static void InitializeMainControls(void)
1094 {
1095   boolean local_team_mode = (!network.enabled && setup.team_mode);
1096   int i;
1097
1098   // set main control text values to dynamically determined values
1099   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1100
1101   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1102                                          menu.main.text.first_level.size));
1103   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1104                                          menu.main.text.last_level.size));
1105   strcpy(main_text_level_number, int2str(level_nr,
1106                                          menu.main.text.level_number.size));
1107
1108   main_text_level_year          = leveldir_current->year;
1109   main_text_level_imported_from = leveldir_current->imported_from;
1110   main_text_level_imported_by   = leveldir_current->imported_by;
1111   main_text_level_tested_by     = leveldir_current->tested_by;
1112
1113   main_text_title_1 = getConfigProgramTitleString();
1114   main_text_title_2 = getConfigProgramCopyrightString();
1115   main_text_title_3 = getConfigProgramCompanyString();
1116
1117   // set main control screen positions to dynamically determined values
1118   for (i = 0; main_controls[i].nr != -1; i++)
1119   {
1120     struct MainControlInfo *mci = &main_controls[i];
1121     int nr                         = mci->nr;
1122     struct MenuPosInfo *pos_button = mci->pos_button;
1123     struct TextPosInfo *pos_text   = mci->pos_text;
1124     struct TextPosInfo *pos_input  = mci->pos_input;
1125     char *text                     = (mci->text  ? *mci->text  : NULL);
1126     char *input                    = (mci->input ? *mci->input : NULL);
1127     int button_graphic             = mci->button_graphic;
1128     int font_text                  = (pos_text  ? pos_text->font  : -1);
1129     int font_input                 = (pos_input ? pos_input->font : -1);
1130
1131     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1132     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1133     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1134     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1135     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1136     int input_chars = (input != NULL ? strlen(input) : 0);
1137
1138     int button_width =
1139       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1140     int button_height =
1141       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1142     int text_width   = font_text_width * text_chars;
1143     int text_height  = font_text_height;
1144     int input_width  = font_input_width * input_chars;
1145     int input_height = font_input_height;
1146
1147     if (nr == MAIN_CONTROL_NAME)
1148     {
1149       menu.main.input.name.width  = input_width;
1150       menu.main.input.name.height = input_height;
1151     }
1152
1153     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1154     {
1155       pos_button->width  = button_width;
1156       pos_button->height = button_height;
1157     }
1158
1159     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1160     {
1161       // calculate text size -- needed for text alignment
1162       boolean calculate_text_size = (text != NULL);
1163
1164       if (pos_text->width == -1 || calculate_text_size)
1165         pos_text->width = text_width;
1166       if (pos_text->height == -1 || calculate_text_size)
1167         pos_text->height = text_height;
1168
1169       if (visibleMenuPos(pos_button))
1170       {
1171         if (pos_text->x == -1)
1172           pos_text->x = pos_button->x + pos_button->width;
1173         if (pos_text->y == -1)
1174           pos_text->y =
1175             pos_button->y + (pos_button->height - pos_text->height) / 2;
1176       }
1177     }
1178
1179     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1180     {
1181       if (visibleTextPos(pos_text))
1182       {
1183         if (pos_input->x == -1)
1184           pos_input->x = pos_text->x + pos_text->width;
1185         if (pos_input->y == -1)
1186           pos_input->y = pos_text->y;
1187       }
1188
1189       if (pos_input->width == -1)
1190         pos_input->width = input_width;
1191       if (pos_input->height == -1)
1192         pos_input->height = input_height;
1193     }
1194   }
1195 }
1196
1197 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1198                                        int graphic, boolean pressed)
1199 {
1200   struct GraphicInfo *g = &graphic_info[graphic];
1201   Bitmap *src_bitmap;
1202   int src_x, src_y;
1203   int xoffset = (pressed ? g->pressed_xoffset : 0);
1204   int yoffset = (pressed ? g->pressed_yoffset : 0);
1205
1206   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1207
1208   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1209                    g->width, g->height, dst_x, dst_y);
1210 }
1211
1212 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1213                                        boolean active_input,
1214                                        boolean pressed_button)
1215 {
1216   int i;
1217
1218   for (i = 0; main_controls[i].nr != -1; i++)
1219   {
1220     struct MainControlInfo *mci = &main_controls[i];
1221
1222     if (mci->nr == nr || nr == -1)
1223     {
1224       struct MenuPosInfo *pos_button = mci->pos_button;
1225       struct TextPosInfo *pos_text   = mci->pos_text;
1226       struct TextPosInfo *pos_input  = mci->pos_input;
1227       char *text                     = (mci->text  ? *mci->text  : NULL);
1228       char *input                    = (mci->input ? *mci->input : NULL);
1229       int button_graphic             = mci->button_graphic;
1230       int font_text                  = (pos_text  ? pos_text->font  : -1);
1231       int font_input                 = (pos_input ? pos_input->font : -1);
1232
1233       if (active_text)
1234       {
1235         button_graphic = BUTTON_ACTIVE(button_graphic);
1236         font_text = FONT_ACTIVE(font_text);
1237       }
1238
1239       if (active_input)
1240       {
1241         font_input = FONT_ACTIVE(font_input);
1242       }
1243
1244       if (visibleMenuPos(pos_button))
1245       {
1246         struct MenuPosInfo *pos = pos_button;
1247         int x = mSX + pos->x;
1248         int y = mSY + pos->y;
1249
1250         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1251         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1252       }
1253
1254       if (visibleTextPos(pos_text) && text != NULL)
1255       {
1256         struct TextPosInfo *pos = pos_text;
1257         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1258         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1259
1260 #if 1
1261         // (check why/if this is needed)
1262         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1263 #endif
1264         DrawText(x, y, text, font_text);
1265       }
1266
1267       if (visibleTextPos(pos_input) && input != NULL)
1268       {
1269         struct TextPosInfo *pos = pos_input;
1270         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1271         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1272
1273 #if 1
1274         // (check why/if this is needed)
1275         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1276 #endif
1277         DrawText(x, y, input, font_input);
1278       }
1279     }
1280   }
1281 }
1282
1283 static void DrawCursorAndText_Main(int nr, boolean active_text,
1284                                    boolean pressed_button)
1285 {
1286   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1287 }
1288
1289 #if 0
1290 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1291                                          boolean pressed_button)
1292 {
1293   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1294 }
1295 #endif
1296
1297 static struct MainControlInfo *getMainControlInfo(int nr)
1298 {
1299   int i;
1300
1301   for (i = 0; main_controls[i].nr != -1; i++)
1302     if (main_controls[i].nr == nr)
1303       return &main_controls[i];
1304
1305   return NULL;
1306 }
1307
1308 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1309 {
1310   if (rect == NULL)
1311     return FALSE;
1312
1313   int rect_x = ALIGNED_TEXT_XPOS(rect);
1314   int rect_y = ALIGNED_TEXT_YPOS(rect);
1315
1316   return (x >= rect_x && x < rect_x + rect->width &&
1317           y >= rect_y && y < rect_y + rect->height);
1318 }
1319
1320 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1321 {
1322   if (rect == NULL)
1323     return FALSE;
1324
1325   int rect_x = ALIGNED_TEXT_XPOS(rect);
1326   int rect_y = ALIGNED_TEXT_YPOS(rect);
1327
1328 #if 0
1329   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1330          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1331          (x >= rect_x && x < rect_x + rect->width &&
1332           y >= rect_y && y < rect_y + rect->height));
1333 #endif
1334
1335   return (x >= rect_x && x < rect_x + rect->width &&
1336           y >= rect_y && y < rect_y + rect->height);
1337 }
1338
1339 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1340 {
1341   int rect_width  = preview->xsize * preview->tile_size;
1342   int rect_height = preview->ysize * preview->tile_size;
1343   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1344   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1345
1346   return (x >= rect_x && x < rect_x + rect_width &&
1347           y >= rect_y && y < rect_y + rect_height);
1348 }
1349
1350 static void AdjustScrollbar(int id, int items_max, int items_visible,
1351                             int item_position)
1352 {
1353   struct GadgetInfo *gi = screen_gadget[id];
1354
1355   if (item_position > items_max - items_visible)
1356     item_position = items_max - items_visible;
1357
1358   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1359                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1360                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1361 }
1362
1363 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1364 {
1365   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1366                   first_entry);
1367 }
1368
1369 static void clearMenuListArea(void)
1370 {
1371   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1372
1373   // correct scrollbar position if placed outside menu (playfield) area
1374   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1375     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1376
1377   // clear menu list area, but not title or scrollbar
1378   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1379                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1380 }
1381
1382 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1383 {
1384   static int cursor_array[MAX_LEV_FIELDY];
1385   int x = amSX + TILEX * xpos;
1386   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1387
1388   if (xpos == 0)
1389   {
1390     if (graphic != -1)
1391       cursor_array[ypos] = graphic;
1392     else
1393       graphic = cursor_array[ypos];
1394   }
1395
1396   if (active)
1397     graphic = BUTTON_ACTIVE(graphic);
1398
1399   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1400   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1401 }
1402
1403 static void initCursor(int ypos, int graphic)
1404 {
1405   drawCursorExt(0, ypos, FALSE, graphic);
1406 }
1407
1408 static void drawCursor(int ypos, boolean active)
1409 {
1410   drawCursorExt(0, ypos, active, -1);
1411 }
1412
1413 static void drawCursorXY(int xpos, int ypos, int graphic)
1414 {
1415   drawCursorExt(xpos, ypos, FALSE, graphic);
1416 }
1417
1418 static void drawChooseTreeCursor(int ypos, boolean active)
1419 {
1420   drawCursorExt(0, ypos, active, -1);
1421 }
1422
1423 static void DrawHeadline(void)
1424 {
1425   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1426   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1427 }
1428
1429 static void DrawTitleScreenImage(int nr, boolean initial)
1430 {
1431   int graphic = getTitleScreenGraphic(nr, initial);
1432   Bitmap *bitmap = graphic_info[graphic].bitmap;
1433   int width  = graphic_info[graphic].width;
1434   int height = graphic_info[graphic].height;
1435   int src_x = graphic_info[graphic].src_x;
1436   int src_y = graphic_info[graphic].src_y;
1437   int dst_x, dst_y;
1438
1439   if (bitmap == NULL)
1440     return;
1441
1442   if (width > WIN_XSIZE)
1443   {
1444     // image width too large for window => center image horizontally
1445     src_x = (width - WIN_XSIZE) / 2;
1446     width = WIN_XSIZE;
1447   }
1448
1449   if (height > WIN_YSIZE)
1450   {
1451     // image height too large for window => center image vertically
1452     src_y = (height - WIN_YSIZE) / 2;
1453     height = WIN_YSIZE;
1454   }
1455
1456   // always display title screens centered
1457   dst_x = (WIN_XSIZE - width) / 2;
1458   dst_y = (WIN_YSIZE - height) / 2;
1459
1460   SetDrawBackgroundMask(REDRAW_ALL);
1461   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1462
1463   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1464
1465   if (DrawingOnBackground(dst_x, dst_y))
1466     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1467   else
1468     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1469
1470   redraw_mask = REDRAW_ALL;
1471 }
1472
1473 static void DrawTitleScreenMessage(int nr, boolean initial)
1474 {
1475   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1476   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1477
1478   if (filename == NULL)
1479     return;
1480
1481   // force TITLE font on title message screen
1482   SetFontStatus(getTitleMessageGameMode(initial));
1483
1484   // if chars *and* width set to "-1", automatically determine width
1485   if (tmi->chars == -1 && tmi->width == -1)
1486     tmi->width = viewport.window[game_status].width;
1487
1488   // if lines *and* height set to "-1", automatically determine height
1489   if (tmi->lines == -1 && tmi->height == -1)
1490     tmi->height = viewport.window[game_status].height;
1491
1492   // if chars set to "-1", automatically determine by text and font width
1493   if (tmi->chars == -1)
1494     tmi->chars = tmi->width / getFontWidth(tmi->font);
1495   else
1496     tmi->width = tmi->chars * getFontWidth(tmi->font);
1497
1498   // if lines set to "-1", automatically determine by text and font height
1499   if (tmi->lines == -1)
1500     tmi->lines = tmi->height / getFontHeight(tmi->font);
1501   else
1502     tmi->height = tmi->lines * getFontHeight(tmi->font);
1503
1504   // if x set to "-1", automatically determine by width and alignment
1505   if (tmi->x == -1)
1506     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1507
1508   // if y set to "-1", automatically determine by height and alignment
1509   if (tmi->y == -1)
1510     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1511
1512   SetDrawBackgroundMask(REDRAW_ALL);
1513   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1514
1515   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1516
1517   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1518                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1519                tmi->autowrap, tmi->centered, tmi->parse_comments);
1520
1521   ResetFontStatus();
1522 }
1523
1524 static void DrawTitleScreen(void)
1525 {
1526   KeyboardAutoRepeatOff();
1527
1528   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1529 }
1530
1531 static boolean CheckTitleScreen(boolean levelset_has_changed)
1532 {
1533   static boolean show_title_initial = TRUE;
1534   boolean show_titlescreen = FALSE;
1535
1536   // needed to be able to skip title screen, if no image or message defined
1537   InitializeTitleControls(show_title_initial);
1538
1539   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1540     show_titlescreen = TRUE;
1541
1542   // show initial title images and messages only once at program start
1543   show_title_initial = FALSE;
1544
1545   return (show_titlescreen && num_title_screens > 0);
1546 }
1547
1548 void DrawMainMenu(void)
1549 {
1550   static LevelDirTree *leveldir_last_valid = NULL;
1551   boolean levelset_has_changed = FALSE;
1552   int fade_mask = REDRAW_FIELD;
1553
1554   LimitScreenUpdates(FALSE);
1555
1556   FadeSetLeaveScreen();
1557
1558   // do not fade out here -- function may continue and fade on editor screen
1559
1560   UnmapAllGadgets();
1561   FadeMenuSoundsAndMusic();
1562
1563   ExpireSoundLoops(FALSE);
1564
1565   KeyboardAutoRepeatOn();
1566
1567   audio.sound_deactivated = FALSE;
1568
1569   GetPlayerConfig();
1570
1571   // needed if last screen was the playing screen, invoked from level editor
1572   if (level_editor_test_game)
1573   {
1574     CloseDoor(DOOR_CLOSE_ALL);
1575
1576     SetGameStatus(GAME_MODE_EDITOR);
1577
1578     DrawLevelEd();
1579
1580     return;
1581   }
1582
1583   // needed if last screen was the setup screen and fullscreen state changed
1584   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1585   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1586
1587   // leveldir_current may be invalid (level group, parent link)
1588   if (!validLevelSeries(leveldir_current))
1589     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1590
1591   if (leveldir_current != leveldir_last_valid)
1592     levelset_has_changed = TRUE;
1593
1594   // store valid level series information
1595   leveldir_last_valid = leveldir_current;
1596
1597   init_last = init;                     // switch to new busy animation
1598
1599   // needed if last screen (level choice) changed graphics, sounds or music
1600   ReloadCustomArtwork(0);
1601
1602   if (CheckTitleScreen(levelset_has_changed))
1603   {
1604     SetGameStatus(GAME_MODE_TITLE);
1605
1606     DrawTitleScreen();
1607
1608     return;
1609   }
1610
1611   if (redraw_mask & REDRAW_ALL)
1612     fade_mask = REDRAW_ALL;
1613
1614   if (CheckFadeAll())
1615     fade_mask = REDRAW_ALL;
1616
1617   FadeOut(fade_mask);
1618
1619   // needed if different viewport properties defined for menues
1620   ChangeViewportPropertiesIfNeeded();
1621
1622   SetDrawtoField(DRAW_TO_BACKBUFFER);
1623
1624   // level_nr may have been set to value over handicap with level editor
1625   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1626     level_nr = leveldir_current->handicap_level;
1627
1628   LoadLevel(level_nr);
1629   LoadScore(level_nr);
1630
1631   SaveLevelSetup_SeriesInfo();
1632
1633   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1634   SetDrawDeactivationMask(REDRAW_NONE);
1635   SetDrawBackgroundMask(REDRAW_FIELD);
1636
1637   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1638
1639 #if 0
1640   if (fade_mask == REDRAW_ALL)
1641     RedrawGlobalBorder();
1642 #endif
1643
1644   ClearField();
1645
1646   InitializeMainControls();
1647
1648   DrawCursorAndText_Main(-1, FALSE, FALSE);
1649   DrawPreviewLevelInitial();
1650   DrawNetworkPlayers();
1651
1652   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1653
1654   TapeStop();
1655   if (TAPE_IS_EMPTY(tape))
1656     LoadTape(level_nr);
1657   DrawCompleteVideoDisplay();
1658
1659   PlayMenuSoundsAndMusic();
1660
1661   // create gadgets for main menu screen
1662   FreeScreenGadgets();
1663   CreateScreenGadgets();
1664
1665   // may be required if audio buttons shown on tape and changed in setup menu
1666   FreeGameButtons();
1667   CreateGameButtons();
1668
1669   // map gadgets for main menu screen
1670   MapTapeButtons();
1671   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1672   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1673
1674   // copy actual game door content to door double buffer for OpenDoor()
1675   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1676   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1677
1678   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1679
1680   DrawMaskedBorder(fade_mask);
1681
1682   FadeIn(fade_mask);
1683   FadeSetEnterMenu();
1684
1685   // update screen area with special editor door
1686   redraw_mask |= REDRAW_ALL;
1687   BackToFront();
1688
1689   SetMouseCursor(CURSOR_DEFAULT);
1690
1691   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1692 }
1693
1694 static void gotoTopLevelDir(void)
1695 {
1696   // move upwards until inside (but not above) top level directory
1697   while (leveldir_current->node_parent &&
1698          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1699   {
1700     // write a "path" into level tree for easy navigation to last level
1701     if (leveldir_current->node_parent->node_group->cl_first == -1)
1702     {
1703       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1704       int leveldir_pos = posTreeInfo(leveldir_current);
1705       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1706       int cl_first, cl_cursor;
1707
1708       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1709       cl_cursor = leveldir_pos - cl_first;
1710
1711       leveldir_current->node_parent->node_group->cl_first = cl_first;
1712       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1713     }
1714
1715     leveldir_current = leveldir_current->node_parent;
1716   }
1717 }
1718
1719 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1720 {
1721   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1722
1723   return (use_frame_counter ? video.frame_counter : Counter());
1724 }
1725
1726 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1727                                      struct TitleFadingInfo *fi)
1728 {
1729   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1730 }
1731
1732 static void ResetTitleAutoDelay(unsigned int *counter_var,
1733                                 struct TitleFadingInfo *fi)
1734 {
1735   *counter_var = getAutoDelayCounter(fi);
1736 }
1737
1738 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1739 {
1740   static unsigned int title_delay = 0;
1741   static int title_screen_nr = 0;
1742   static int last_sound = -1, last_music = -1;
1743   boolean return_to_main_menu = FALSE;
1744   struct TitleControlInfo *tci;
1745   int sound, music;
1746
1747   if (button == MB_MENU_INITIALIZE)
1748   {
1749     title_delay = 0;
1750     title_screen_nr = 0;
1751     tci = &title_controls[title_screen_nr];
1752
1753     SetAnimStatus(getTitleAnimMode(tci));
1754
1755     last_sound = SND_UNDEFINED;
1756     last_music = MUS_UNDEFINED;
1757
1758     if (num_title_screens != 0)
1759     {
1760       FadeSetEnterScreen();
1761
1762       // use individual title fading instead of global "enter screen" fading
1763       fading = getTitleFading(tci);
1764     }
1765
1766     if (game_status_last_screen == GAME_MODE_INFO)
1767     {
1768       if (num_title_screens == 0)
1769       {
1770         // switch game mode from title screen mode back to info screen mode
1771         SetGameStatus(GAME_MODE_INFO);
1772
1773         // store that last screen was info screen, not main menu screen
1774         game_status_last_screen = GAME_MODE_INFO;
1775
1776         DrawInfoScreen_NotAvailable("Title screen information:",
1777                                     "No title screen for this level set.");
1778         return;
1779       }
1780     }
1781
1782     FadeMenuSoundsAndMusic();
1783
1784     FadeOut(REDRAW_ALL);
1785
1786     // title screens may have different window size
1787     ChangeViewportPropertiesIfNeeded();
1788
1789     // only required to update logic for redrawing global border
1790     ClearField();
1791
1792     if (tci->is_image)
1793       DrawTitleScreenImage(tci->local_nr, tci->initial);
1794     else
1795       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1796
1797     sound = getTitleSound(tci);
1798     music = getTitleMusic(tci);
1799
1800     if (sound != last_sound)
1801       PlayMenuSoundExt(sound);
1802     if (music != last_music)
1803       PlayMenuMusicExt(music);
1804
1805     last_sound = sound;
1806     last_music = music;
1807
1808     SetMouseCursor(CURSOR_NONE);
1809
1810     FadeIn(REDRAW_ALL);
1811
1812     ResetTitleAutoDelay(&title_delay, &fading);
1813
1814     return;
1815   }
1816
1817   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1818     button = MB_MENU_CHOICE;
1819
1820   if (button == MB_MENU_LEAVE)
1821   {
1822     return_to_main_menu = TRUE;
1823   }
1824   else if (button == MB_MENU_CHOICE)
1825   {
1826     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1827     {
1828       SetGameStatus(GAME_MODE_INFO);
1829
1830       info_mode = INFO_MODE_MAIN;
1831
1832       DrawInfoScreen();
1833
1834       return;
1835     }
1836
1837     title_screen_nr++;
1838
1839     if (title_screen_nr < num_title_screens)
1840     {
1841       tci = &title_controls[title_screen_nr];
1842
1843       SetAnimStatus(getTitleAnimMode(tci));
1844
1845       sound = getTitleSound(tci);
1846       music = getTitleMusic(tci);
1847
1848       if (last_sound != SND_UNDEFINED && sound != last_sound)
1849         FadeSound(last_sound);
1850       if (last_music != MUS_UNDEFINED && music != last_music)
1851         FadeMusic();
1852
1853       fading = getTitleFading(tci);
1854
1855       FadeOut(REDRAW_ALL);
1856
1857       if (tci->is_image)
1858         DrawTitleScreenImage(tci->local_nr, tci->initial);
1859       else
1860         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1861
1862       sound = getTitleSound(tci);
1863       music = getTitleMusic(tci);
1864
1865       if (sound != last_sound)
1866         PlayMenuSoundExt(sound);
1867       if (music != last_music)
1868         PlayMenuMusicExt(music);
1869
1870       last_sound = sound;
1871       last_music = music;
1872
1873       FadeIn(REDRAW_ALL);
1874
1875       ResetTitleAutoDelay(&title_delay, &fading);
1876     }
1877     else
1878     {
1879       FadeMenuSoundsAndMusic();
1880
1881       return_to_main_menu = TRUE;
1882     }
1883   }
1884
1885   if (return_to_main_menu)
1886   {
1887     SetMouseCursor(CURSOR_DEFAULT);
1888
1889     // force full menu screen redraw after displaying title screens
1890     redraw_mask = REDRAW_ALL;
1891
1892     if (game_status_last_screen == GAME_MODE_INFO)
1893     {
1894       SetGameStatus(GAME_MODE_INFO);
1895
1896       info_mode = INFO_MODE_MAIN;
1897
1898       DrawInfoScreen();
1899     }
1900     else        // default: return to main menu
1901     {
1902       SetGameStatus(GAME_MODE_MAIN);
1903
1904       DrawMainMenu();
1905     }
1906   }
1907 }
1908
1909 static void HandleMainMenu_SelectLevel(int step, int direction,
1910                                        int selected_level_nr)
1911 {
1912   int old_level_nr = level_nr;
1913   int new_level_nr;
1914
1915   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1916     new_level_nr = selected_level_nr;
1917   else
1918     new_level_nr = old_level_nr + step * direction;
1919
1920   if (new_level_nr < leveldir_current->first_level)
1921     new_level_nr = leveldir_current->first_level;
1922   if (new_level_nr > leveldir_current->last_level)
1923     new_level_nr = leveldir_current->last_level;
1924
1925   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1926   {
1927     // skipping levels is only allowed when trying to skip single level
1928     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1929         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1930     {
1931       leveldir_current->handicap_level++;
1932       SaveLevelSetup_SeriesInfo();
1933     }
1934
1935     new_level_nr = leveldir_current->handicap_level;
1936   }
1937
1938   if (new_level_nr != old_level_nr)
1939   {
1940     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1941
1942     PlaySound(SND_MENU_ITEM_SELECTING);
1943
1944     level_nr = new_level_nr;
1945
1946     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1947              int2str(level_nr, menu.main.text.level_number.size),
1948              mci->pos_text->font);
1949
1950     LoadLevel(level_nr);
1951     DrawPreviewLevelInitial();
1952
1953     TapeErase();
1954     LoadTape(level_nr);
1955     DrawCompleteVideoDisplay();
1956
1957     SaveLevelSetup_SeriesInfo();
1958
1959     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1960
1961     // force redraw of playfield area (may be reset at this point)
1962     redraw_mask |= REDRAW_FIELD;
1963   }
1964 }
1965
1966 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1967 {
1968   static int choice = MAIN_CONTROL_GAME;
1969   static boolean button_pressed_last = FALSE;
1970   boolean button_pressed = FALSE;
1971   int pos = choice;
1972   int i = 0;    // needed to prevent compiler warning due to bad code below
1973
1974   if (button == MB_MENU_INITIALIZE)
1975   {
1976     DrawCursorAndText_Main(choice, TRUE, FALSE);
1977
1978     return;
1979   }
1980
1981   if (mx || my)         // mouse input
1982   {
1983     pos = -1;
1984
1985     for (i = 0; main_controls[i].nr != -1; i++)
1986     {
1987       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1988           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1989           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1990       {
1991         pos = main_controls[i].nr;
1992
1993         break;
1994       }
1995     }
1996
1997     // check if level preview was clicked
1998     if (insidePreviewRect(&preview, mx - SX, my - SY))
1999       pos = MAIN_CONTROL_GAME;
2000
2001     // handle pressed/unpressed state for active/inactive menu buttons
2002     // (if pos != -1, "i" contains index position corresponding to "pos")
2003     if (button &&
2004         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2005         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2006       button_pressed = TRUE;
2007
2008     if (button_pressed != button_pressed_last)
2009     {
2010       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2011
2012       if (button_pressed)
2013         PlaySound(SND_MENU_BUTTON_PRESSING);
2014       else
2015         PlaySound(SND_MENU_BUTTON_RELEASING);
2016     }
2017   }
2018   else if (dx || dy)    // keyboard input
2019   {
2020     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2021                    choice == MAIN_CONTROL_SETUP))
2022       button = MB_MENU_CHOICE;
2023     else if (dy)
2024       pos = choice + dy;
2025   }
2026
2027   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2028   {
2029     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2030   }
2031   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2032   {
2033     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2034   }
2035   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2036   {
2037     CloseDoor(DOOR_CLOSE_2);
2038
2039     SetGameStatus(GAME_MODE_LEVELNR);
2040
2041     DrawChooseLevelNr();
2042   }
2043   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2044   {
2045     if (button)
2046     {
2047       if (pos != choice)
2048       {
2049         PlaySound(SND_MENU_ITEM_ACTIVATING);
2050
2051         DrawCursorAndText_Main(choice, FALSE, FALSE);
2052         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2053
2054         choice = pos;
2055       }
2056       else if (dx != 0)
2057       {
2058         if (choice != MAIN_CONTROL_INFO &&
2059             choice != MAIN_CONTROL_SETUP)
2060           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2061       }
2062     }
2063     else
2064     {
2065       PlaySound(SND_MENU_ITEM_SELECTING);
2066
2067       if (pos == MAIN_CONTROL_NAME)
2068       {
2069         if ((mx || my) &&
2070             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2071         {
2072           // special case: menu text "name/team" clicked -- toggle team mode
2073           setup.team_mode = !setup.team_mode;
2074
2075           InitializeMainControls();
2076           DrawCursorAndText_Main(choice, TRUE, FALSE);
2077
2078           DrawPreviewPlayers();
2079         }
2080         else
2081         {
2082           SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2083
2084           HandleTypeName(strlen(setup.player_name), 0);
2085         }
2086       }
2087       else if (pos == MAIN_CONTROL_LEVELS)
2088       {
2089         if (leveldir_first)
2090         {
2091           CloseDoor(DOOR_CLOSE_2);
2092
2093           SetGameStatus(GAME_MODE_LEVELS);
2094
2095           SaveLevelSetup_LastSeries();
2096           SaveLevelSetup_SeriesInfo();
2097
2098           if (setup.internal.choose_from_top_leveldir)
2099             gotoTopLevelDir();
2100
2101           DrawChooseLevelSet();
2102         }
2103       }
2104       else if (pos == MAIN_CONTROL_SCORES)
2105       {
2106         CloseDoor(DOOR_CLOSE_2);
2107
2108         SetGameStatus(GAME_MODE_SCORES);
2109
2110         DrawHallOfFame(level_nr, -1);
2111       }
2112       else if (pos == MAIN_CONTROL_EDITOR)
2113       {
2114         if (leveldir_current->readonly &&
2115             !strEqual(setup.player_name, "Artsoft"))
2116           Request("This level is read only!", REQ_CONFIRM);
2117
2118         CloseDoor(DOOR_CLOSE_2);
2119
2120         SetGameStatus(GAME_MODE_EDITOR);
2121
2122         FadeSetEnterScreen();
2123
2124         DrawLevelEd();
2125       }
2126       else if (pos == MAIN_CONTROL_INFO)
2127       {
2128         CloseDoor(DOOR_CLOSE_2);
2129
2130         SetGameStatus(GAME_MODE_INFO);
2131
2132         info_mode = INFO_MODE_MAIN;
2133
2134         DrawInfoScreen();
2135       }
2136       else if (pos == MAIN_CONTROL_GAME)
2137       {
2138         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2139       }
2140       else if (pos == MAIN_CONTROL_SETUP)
2141       {
2142         CloseDoor(DOOR_CLOSE_2);
2143
2144         SetGameStatus(GAME_MODE_SETUP);
2145
2146         setup_mode = SETUP_MODE_MAIN;
2147
2148         DrawSetupScreen();
2149       }
2150       else if (pos == MAIN_CONTROL_QUIT)
2151       {
2152         SaveLevelSetup_LastSeries();
2153         SaveLevelSetup_SeriesInfo();
2154
2155         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2156           SetGameStatus(GAME_MODE_QUIT);
2157       }
2158     }
2159   }
2160
2161   button_pressed_last = button_pressed;
2162 }
2163
2164
2165 // ============================================================================
2166 // info screen functions
2167 // ============================================================================
2168
2169 static struct TokenInfo *info_info;
2170 static int num_info_info;       // number of info entries shown on screen
2171 static int max_info_info;       // total number of info entries in list
2172
2173 static void execInfoTitleScreen(void)
2174 {
2175   info_mode = INFO_MODE_TITLE;
2176
2177   DrawInfoScreen();
2178 }
2179
2180 static void execInfoElements(void)
2181 {
2182   info_mode = INFO_MODE_ELEMENTS;
2183
2184   DrawInfoScreen();
2185 }
2186
2187 static void execInfoMusic(void)
2188 {
2189   info_mode = INFO_MODE_MUSIC;
2190
2191   DrawInfoScreen();
2192 }
2193
2194 static void execInfoCredits(void)
2195 {
2196   info_mode = INFO_MODE_CREDITS;
2197
2198   DrawInfoScreen();
2199 }
2200
2201 static void execInfoProgram(void)
2202 {
2203   info_mode = INFO_MODE_PROGRAM;
2204
2205   DrawInfoScreen();
2206 }
2207
2208 static void execInfoVersion(void)
2209 {
2210   info_mode = INFO_MODE_VERSION;
2211
2212   DrawInfoScreen();
2213 }
2214
2215 static void execInfoLevelSet(void)
2216 {
2217   info_mode = INFO_MODE_LEVELSET;
2218
2219   DrawInfoScreen();
2220 }
2221
2222 static void execExitInfo(void)
2223 {
2224   SetGameStatus(GAME_MODE_MAIN);
2225
2226   DrawMainMenu();
2227 }
2228
2229 static struct TokenInfo info_info_main[] =
2230 {
2231   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2232   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2233   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2234   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2235   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2236   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2237   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2238   { TYPE_EMPTY,         NULL,                   ""                      },
2239   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2240
2241   { 0,                  NULL,                   NULL                    }
2242 };
2243
2244 static int getMenuTextFont(int type)
2245 {
2246   if (type & (TYPE_SWITCH       |
2247               TYPE_YES_NO       |
2248               TYPE_YES_NO_AUTO  |
2249               TYPE_STRING       |
2250               TYPE_PLAYER       |
2251               TYPE_ECS_AGA      |
2252               TYPE_KEYTEXT      |
2253               TYPE_ENTER_LIST   |
2254               TYPE_TEXT_INPUT))
2255     return FONT_MENU_2;
2256   else
2257     return FONT_MENU_1;
2258 }
2259
2260 static struct TokenInfo *setup_info;
2261 static struct TokenInfo setup_info_input[];
2262
2263 static struct TokenInfo *menu_info;
2264
2265 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2266                                        int screen_pos, int menu_info_pos_raw,
2267                                        boolean active)
2268 {
2269   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2270   struct TokenInfo *ti = &token_info[pos];
2271   int xpos = MENU_SCREEN_START_XPOS;
2272   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2273   int font_nr = getMenuTextFont(ti->type);
2274
2275   if (setup_mode == SETUP_MODE_INPUT)
2276     font_nr = FONT_MENU_1;
2277
2278   if (active)
2279     font_nr = FONT_ACTIVE(font_nr);
2280
2281   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2282
2283   if (ti->type & ~TYPE_SKIP_ENTRY)
2284     drawCursor(screen_pos, active);
2285 }
2286
2287 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2288                                    boolean active)
2289 {
2290   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2291 }
2292
2293 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2294                                     boolean active)
2295 {
2296   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2297 }
2298
2299 static char *window_size_text;
2300 static char *scaling_type_text;
2301 static char *network_server_text;
2302
2303 static void drawSetupValue(int, int);
2304
2305 static void drawMenuInfoList(int first_entry, int num_page_entries,
2306                              int max_page_entries)
2307 {
2308   int i;
2309
2310   if (first_entry + num_page_entries > max_page_entries)
2311     first_entry = 0;
2312
2313   clearMenuListArea();
2314
2315   for (i = 0; i < num_page_entries; i++)
2316   {
2317     int menu_info_pos = first_entry + i;
2318     struct TokenInfo *si = &menu_info[menu_info_pos];
2319     void *value_ptr = si->value;
2320
2321     // set some entries to "unchangeable" according to other variables
2322     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2323         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2324         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2325         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2326         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2327         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2328       si->type |= TYPE_GHOSTED;
2329
2330     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2331       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2332     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2333       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2334     else if (si->type & ~TYPE_SKIP_ENTRY)
2335       initCursor(i, IMG_MENU_BUTTON);
2336
2337     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2338
2339     if (si->type & TYPE_STRING)
2340     {
2341       int gadget_id = -1;
2342
2343       if (value_ptr == &network_server_text)
2344         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2345
2346       if (gadget_id != -1)
2347       {
2348         struct GadgetInfo *gi = screen_gadget[gadget_id];
2349         int xpos = MENU_SCREEN_START_XPOS;
2350         int ypos = MENU_SCREEN_START_YPOS + i;
2351         int x = mSX + xpos * 32;
2352         int y = mSY + ypos * 32;
2353
2354         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2355       }
2356     }
2357
2358     if (si->type & TYPE_VALUE &&
2359         menu_info == setup_info)
2360       drawSetupValue(i, menu_info_pos);
2361   }
2362 }
2363
2364 static void DrawInfoScreen_Main(void)
2365 {
2366   int fade_mask = REDRAW_FIELD;
2367   int i;
2368
2369   if (redraw_mask & REDRAW_ALL)
2370     fade_mask = REDRAW_ALL;
2371
2372   if (CheckFadeAll())
2373     fade_mask = REDRAW_ALL;
2374
2375   UnmapAllGadgets();
2376   FadeMenuSoundsAndMusic();
2377
2378   FreeScreenGadgets();
2379   CreateScreenGadgets();
2380
2381   // (needed after displaying title screens which disable auto repeat)
2382   KeyboardAutoRepeatOn();
2383
2384   FadeSetLeaveScreen();
2385
2386   FadeOut(fade_mask);
2387
2388   // needed if different viewport properties defined for info screen
2389   ChangeViewportPropertiesIfNeeded();
2390
2391   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2392
2393   ClearField();
2394
2395   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2396
2397   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2398
2399   info_info = info_info_main;
2400
2401   // determine maximal number of info entries that can be displayed on screen
2402   num_info_info = 0;
2403   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2404     num_info_info++;
2405
2406   // determine maximal number of info entries available for menu of info screen
2407   max_info_info = 0;
2408   for (i = 0; info_info[i].type != 0; i++)
2409     max_info_info++;
2410
2411   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2412
2413   MapScreenGadgets(max_info_info);
2414
2415   PlayMenuSoundsAndMusic();
2416
2417   DrawMaskedBorder(fade_mask);
2418
2419   FadeIn(fade_mask);
2420 }
2421
2422 static void changeSetupValue(int, int, int);
2423
2424 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2425                              int mode, int num_page_entries,
2426                              int max_page_entries)
2427 {
2428   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2429   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2430   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2431   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2432   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2433   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2434   int *num_page_entries_last = num_page_entries_all_last[game_status];
2435   int *choice_store = choice_stores[game_status];
2436   int *first_entry_store = first_entry_stores[game_status];
2437   int choice = choice_store[mode];              // starts with 0
2438   int first_entry = first_entry_store[mode];    // starts with 0
2439   int x = 0;
2440   int y = choice - first_entry;
2441   int y_old = y;
2442   boolean position_set_by_scrollbar = (dx == 999);
2443   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2444   int i;
2445
2446   if (button == MB_MENU_INITIALIZE)
2447   {
2448     // check if number of menu page entries has changed (may happen by change
2449     // of custom artwork definition value for 'list_size' for this menu screen)
2450     // (in this case, the last menu position most probably has to be corrected)
2451     if (num_page_entries != num_page_entries_last[mode])
2452     {
2453       choice_store[mode] = first_entry_store[mode] = 0;
2454
2455       choice = first_entry = 0;
2456       y = y_old = 0;
2457
2458       num_page_entries_last[mode] = num_page_entries;
2459     }
2460
2461     // advance to first valid menu entry
2462     while (choice < num_page_entries &&
2463            menu_info[choice].type & TYPE_SKIP_ENTRY)
2464       choice++;
2465
2466     if (position_set_by_scrollbar)
2467       first_entry = first_entry_store[mode] = dy;
2468     else
2469       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2470                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2471
2472     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2473
2474     if (choice < first_entry)
2475     {
2476       choice = first_entry;
2477
2478       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2479         choice++;
2480     }
2481     else if (choice > first_entry + num_page_entries - 1)
2482     {
2483       choice = first_entry + num_page_entries - 1;
2484
2485       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2486         choice--;
2487     }
2488
2489     choice_store[mode] = choice;
2490
2491     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2492
2493     return;
2494   }
2495   else if (button == MB_MENU_LEAVE)
2496   {
2497     PlaySound(SND_MENU_ITEM_SELECTING);
2498
2499     for (i = 0; i < max_page_entries; i++)
2500     {
2501       if (menu_info[i].type & TYPE_LEAVE_MENU)
2502       {
2503         void (*menu_callback_function)(void) = menu_info[i].value;
2504
2505         FadeSetLeaveMenu();
2506
2507         menu_callback_function();
2508
2509         break;  // absolutely needed because function changes 'menu_info'!
2510       }
2511     }
2512
2513     return;
2514   }
2515
2516   if (mx || my)         // mouse input
2517   {
2518     x = (mx - mSX) / 32;
2519     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2520   }
2521   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2522   {
2523     // move cursor instead of scrolling when already at start/end of list
2524     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2525       dy = -1;
2526     else if (dy == +1 * SCROLL_LINE &&
2527              first_entry + num_page_entries == max_page_entries)
2528       dy = 1;
2529
2530     // handle scrolling screen one line or page
2531     if (y + dy < 0 ||
2532         y + dy > num_page_entries - 1)
2533     {
2534       boolean redraw = FALSE;
2535
2536       if (ABS(dy) == SCROLL_PAGE)
2537         step = num_page_entries - 1;
2538
2539       if (dy < 0 && first_entry > 0)
2540       {
2541         // scroll page/line up
2542
2543         first_entry -= step;
2544         if (first_entry < 0)
2545           first_entry = 0;
2546
2547         redraw = TRUE;
2548       }
2549       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2550       {
2551         // scroll page/line down
2552
2553         first_entry += step;
2554         if (first_entry + num_page_entries > max_page_entries)
2555           first_entry = MAX(0, max_page_entries - num_page_entries);
2556
2557         redraw = TRUE;
2558       }
2559
2560       if (redraw)
2561       {
2562         choice += first_entry - first_entry_store[mode];
2563
2564         if (choice < first_entry)
2565         {
2566           choice = first_entry;
2567
2568           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2569             choice++;
2570         }
2571         else if (choice > first_entry + num_page_entries - 1)
2572         {
2573           choice = first_entry + num_page_entries - 1;
2574
2575           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2576             choice--;
2577         }
2578         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2579         {
2580           choice += SIGN(dy);
2581
2582           if (choice < first_entry ||
2583               choice > first_entry + num_page_entries - 1)
2584           first_entry += SIGN(dy);
2585         }
2586
2587         first_entry_store[mode] = first_entry;
2588         choice_store[mode] = choice;
2589
2590         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2591
2592         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2593
2594         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2595                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2596       }
2597
2598       return;
2599     }
2600
2601     if (dx)
2602     {
2603       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2604
2605       if (menu_info[choice].type & menu_navigation_type ||
2606           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2607           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2608           menu_info[choice].type & TYPE_PLAYER)
2609         button = MB_MENU_CHOICE;
2610     }
2611     else if (dy)
2612       y += dy;
2613
2614     // jump to next non-empty menu entry (up or down)
2615     while (first_entry + y > 0 &&
2616            first_entry + y < max_page_entries - 1 &&
2617            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2618       y += dy;
2619
2620     if (!IN_VIS_MENU(x, y))
2621     {
2622       choice += y - y_old;
2623
2624       if (choice < first_entry)
2625         first_entry = choice;
2626       else if (choice > first_entry + num_page_entries - 1)
2627         first_entry = choice - num_page_entries + 1;
2628
2629       if (first_entry >= 0 &&
2630           first_entry + num_page_entries <= max_page_entries)
2631       {
2632         first_entry_store[mode] = first_entry;
2633
2634         if (choice < first_entry)
2635           choice = first_entry;
2636         else if (choice > first_entry + num_page_entries - 1)
2637           choice = first_entry + num_page_entries - 1;
2638
2639         choice_store[mode] = choice;
2640
2641         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2642
2643         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2644
2645         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2646                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2647       }
2648
2649       return;
2650     }
2651   }
2652
2653   if (!anyScrollbarGadgetActive() &&
2654       IN_VIS_MENU(x, y) &&
2655       mx < mx_right_border &&
2656       y >= 0 && y < num_page_entries)
2657   {
2658     if (button)
2659     {
2660       if (first_entry + y != choice &&
2661           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2662       {
2663         PlaySound(SND_MENU_ITEM_ACTIVATING);
2664
2665         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2666         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2667
2668         choice = choice_store[mode] = first_entry + y;
2669       }
2670       else if (dx < 0)
2671       {
2672         PlaySound(SND_MENU_ITEM_SELECTING);
2673
2674         for (i = 0; menu_info[i].type != 0; i++)
2675         {
2676           if (menu_info[i].type & TYPE_LEAVE_MENU)
2677           {
2678             void (*menu_callback_function)(void) = menu_info[i].value;
2679
2680             FadeSetLeaveMenu();
2681
2682             menu_callback_function();
2683
2684             // absolutely needed because function changes 'menu_info'!
2685             break;
2686           }
2687         }
2688
2689         return;
2690       }
2691     }
2692     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2693     {
2694       PlaySound(SND_MENU_ITEM_SELECTING);
2695
2696       // when selecting key headline, execute function for key value change
2697       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2698           menu_info[first_entry + y + 1].type & TYPE_KEY)
2699         y++;
2700
2701       // when selecting string value, execute function for list selection
2702       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2703           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2704         y--;
2705
2706       // when selecting string value, execute function for text input gadget
2707       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2708           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2709         y--;
2710
2711       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2712       {
2713         void (*menu_callback_function)(void) =
2714           menu_info[first_entry + y].value;
2715
2716         FadeSetFromType(menu_info[first_entry + y].type);
2717
2718         menu_callback_function();
2719       }
2720       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2721       {
2722         void (*gadget_callback_function)(void) =
2723           menu_info[first_entry + y].value;
2724
2725         gadget_callback_function();
2726       }
2727       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2728                menu_info == setup_info)
2729       {
2730         changeSetupValue(y, first_entry + y, dx);
2731       }
2732     }
2733   }
2734 }
2735
2736 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2737 {
2738   menu_info = info_info;
2739
2740   HandleMenuScreen(mx, my, dx, dy, button,
2741                    info_mode, num_info_info, max_info_info);
2742 }
2743
2744 static int getMenuFontSpacing(int spacing_height, int font_nr)
2745 {
2746   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2747
2748   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2749           spacing_height);
2750 }
2751
2752 static int getMenuTextSpacing(int spacing_height, int font_nr)
2753 {
2754   return (getMenuFontSpacing(spacing_height, font_nr) +
2755           EXTRA_SPACING(game_status));
2756 }
2757
2758 static int getMenuTextStep(int spacing_height, int font_nr)
2759 {
2760   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2761 }
2762
2763 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2764 {
2765   int font_title = MENU_INFO_FONT_TITLE;
2766   int font_error = FONT_TEXT_2;
2767   int font_foot  = MENU_INFO_FONT_FOOT;
2768   int spacing_title = menu.headline1_spacing_info[info_mode];
2769   int ystep_title = getMenuTextStep(spacing_title, font_title);
2770   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2771   int ystart2 = ystart1 + ystep_title;
2772   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2773
2774   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2775
2776   FadeOut(REDRAW_FIELD);
2777
2778   ClearField();
2779   DrawHeadline();
2780
2781   DrawTextSCentered(ystart1, font_title, text_title);
2782   DrawTextSCentered(ystart2, font_error, text_error);
2783
2784   DrawTextSCentered(ybottom, font_foot,
2785                     "Press any key or button for info menu");
2786
2787   FadeIn(REDRAW_FIELD);
2788 }
2789
2790 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2791 {
2792   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2793   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2794   int font_title = MENU_INFO_FONT_TITLE;
2795   int font_foot  = MENU_INFO_FONT_FOOT;
2796   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2797   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2798   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2799   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2800   int ystep = MENU_SCREEN_INFO_YSTEP;
2801   int element, action, direction;
2802   int graphic;
2803   int delay;
2804   int sync_frame;
2805   int i, j;
2806
2807   if (init)
2808   {
2809     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2810       infoscreen_step[i] = infoscreen_frame[i] = 0;
2811
2812     ClearField();
2813     DrawHeadline();
2814
2815     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2816
2817     DrawTextSCentered(ybottom, font_foot,
2818                       "Press any key or button for next page");
2819
2820     FrameCounter = 0;
2821   }
2822
2823   i = j = 0;
2824   while (helpanim_info[j].element != HELPANIM_LIST_END)
2825   {
2826     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2827         i >= max_anims)
2828       break;
2829     else if (i < start)
2830     {
2831       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2832         j++;
2833
2834       j++;
2835       i++;
2836
2837       continue;
2838     }
2839
2840     j += infoscreen_step[i - start];
2841
2842     element = helpanim_info[j].element;
2843     action = helpanim_info[j].action;
2844     direction = helpanim_info[j].direction;
2845
2846     if (element < 0)
2847       element = EL_UNKNOWN;
2848
2849     if (action != -1 && direction != -1)
2850       graphic = el_act_dir2img(element, action, direction);
2851     else if (action != -1)
2852       graphic = el_act2img(element, action);
2853     else if (direction != -1)
2854       graphic = el_dir2img(element, direction);
2855     else
2856       graphic = el2img(element);
2857
2858     delay = helpanim_info[j++].delay;
2859
2860     if (delay == -1)
2861       delay = 1000000;
2862
2863     if (infoscreen_frame[i - start] == 0)
2864     {
2865       sync_frame = 0;
2866       infoscreen_frame[i - start] = delay - 1;
2867     }
2868     else
2869     {
2870       sync_frame = delay - infoscreen_frame[i - start];
2871       infoscreen_frame[i - start]--;
2872     }
2873
2874     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2875     {
2876       if (!infoscreen_frame[i - start])
2877         infoscreen_step[i - start] = 0;
2878     }
2879     else
2880     {
2881       if (!infoscreen_frame[i - start])
2882         infoscreen_step[i - start]++;
2883       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2884         j++;
2885     }
2886
2887     j++;
2888
2889     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2890                                TILEX, TILEY);
2891     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2892                                  graphic, sync_frame, USE_MASKING);
2893
2894     if (init)
2895       DrawInfoScreen_HelpText(element, action, direction, i - start);
2896
2897     i++;
2898   }
2899
2900   redraw_mask |= REDRAW_FIELD;
2901
2902   FrameCounter++;
2903 }
2904
2905 static char *getHelpText(int element, int action, int direction)
2906 {
2907   char token[MAX_LINE_LEN];
2908
2909   strcpy(token, element_info[element].token_name);
2910
2911   if (action != -1)
2912     strcat(token, element_action_info[action].suffix);
2913
2914   if (direction != -1)
2915     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2916
2917   return getHashEntry(helptext_info, token);
2918 }
2919
2920 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2921 {
2922   int font_nr = FONT_INFO_ELEMENTS;
2923   int font_width = getFontWidth(font_nr);
2924   int font_height = getFontHeight(font_nr);
2925   int yoffset = (TILEX - 2 * font_height) / 2;
2926   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2927   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2928   int ystep = TILEY + 4;
2929   int pad_left = xstart - SX;
2930   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2931   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2932   int max_lines_per_text = 2;
2933   char *text = NULL;
2934
2935   if (action != -1 && direction != -1)          // element.action.direction
2936     text = getHelpText(element, action, direction);
2937
2938   if (text == NULL && action != -1)             // element.action
2939     text = getHelpText(element, action, -1);
2940
2941   if (text == NULL && direction != -1)          // element.direction
2942     text = getHelpText(element, -1, direction);
2943
2944   if (text == NULL)                             // base element
2945     text = getHelpText(element, -1, -1);
2946
2947   if (text == NULL)                             // not found
2948     text = "No description available";
2949
2950   if (strlen(text) <= max_chars_per_line)       // only one line of text
2951     ystart += getFontHeight(font_nr) / 2;
2952
2953   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2954                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2955                  TRUE, FALSE, FALSE);
2956 }
2957
2958 static void DrawInfoScreen_TitleScreen(void)
2959 {
2960   SetGameStatus(GAME_MODE_TITLE);
2961
2962   DrawTitleScreen();
2963 }
2964
2965 void HandleInfoScreen_TitleScreen(int button)
2966 {
2967   HandleTitleScreen(0, 0, 0, 0, button);
2968 }
2969
2970 static void DrawInfoScreen_Elements(void)
2971 {
2972   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2973
2974   FadeOut(REDRAW_FIELD);
2975
2976   LoadHelpAnimInfo();
2977   LoadHelpTextInfo();
2978
2979   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2980
2981   FadeIn(REDRAW_FIELD);
2982 }
2983
2984 void HandleInfoScreen_Elements(int button)
2985 {
2986   static unsigned int info_delay = 0;
2987   static int num_anims;
2988   static int num_pages;
2989   static int page;
2990   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2991   int i;
2992
2993   if (button == MB_MENU_INITIALIZE)
2994   {
2995     boolean new_element = TRUE;
2996
2997     num_anims = 0;
2998
2999     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3000     {
3001       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3002         new_element = TRUE;
3003       else if (new_element)
3004       {
3005         num_anims++;
3006         new_element = FALSE;
3007       }
3008     }
3009
3010     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3011     page = 0;
3012   }
3013
3014   if (button == MB_MENU_LEAVE)
3015   {
3016     PlaySound(SND_MENU_ITEM_SELECTING);
3017
3018     info_mode = INFO_MODE_MAIN;
3019     DrawInfoScreen();
3020
3021     return;
3022   }
3023   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3024   {
3025     if (button != MB_MENU_INITIALIZE)
3026     {
3027       PlaySound(SND_MENU_ITEM_SELECTING);
3028
3029       page++;
3030     }
3031
3032     if (page >= num_pages)
3033     {
3034       FadeMenuSoundsAndMusic();
3035
3036       info_mode = INFO_MODE_MAIN;
3037       DrawInfoScreen();
3038
3039       return;
3040     }
3041
3042     if (page > 0)
3043       FadeSetNextScreen();
3044
3045     if (button != MB_MENU_INITIALIZE)
3046       FadeOut(REDRAW_FIELD);
3047
3048     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3049
3050     if (button != MB_MENU_INITIALIZE)
3051       FadeIn(REDRAW_FIELD);
3052   }
3053   else
3054   {
3055     if (DelayReached(&info_delay, GameFrameDelay))
3056       if (page < num_pages)
3057         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3058
3059     PlayMenuSoundIfLoop();
3060   }
3061 }
3062
3063 static void DrawInfoScreen_Music(void)
3064 {
3065   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3066
3067   FadeOut(REDRAW_FIELD);
3068
3069   ClearField();
3070   DrawHeadline();
3071
3072   LoadMusicInfo();
3073
3074   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3075
3076   FadeIn(REDRAW_FIELD);
3077 }
3078
3079 void HandleInfoScreen_Music(int button)
3080 {
3081   static struct MusicFileInfo *list = NULL;
3082   int font_title = MENU_INFO_FONT_TITLE;
3083   int font_head  = MENU_INFO_FONT_HEAD;
3084   int font_text  = MENU_INFO_FONT_TEXT;
3085   int font_foot  = MENU_INFO_FONT_FOOT;
3086   int spacing_title = menu.headline1_spacing_info[info_mode];
3087   int spacing_head  = menu.headline2_spacing_info[info_mode];
3088   int ystep_title = getMenuTextStep(spacing_title, font_title);
3089   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3090   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3091   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3092
3093   if (button == MB_MENU_INITIALIZE)
3094   {
3095     list = music_file_info;
3096
3097     if (list == NULL)
3098     {
3099       FadeMenuSoundsAndMusic();
3100
3101       ClearField();
3102       DrawHeadline();
3103
3104       DrawTextSCentered(ystart, font_title,
3105                         "No music info for this level set.");
3106
3107       DrawTextSCentered(ybottom, font_foot,
3108                         "Press any key or button for info menu");
3109
3110       return;
3111     }
3112   }
3113
3114   if (button == MB_MENU_LEAVE)
3115   {
3116     PlaySound(SND_MENU_ITEM_SELECTING);
3117
3118     FadeMenuSoundsAndMusic();
3119
3120     info_mode = INFO_MODE_MAIN;
3121     DrawInfoScreen();
3122
3123     return;
3124   }
3125   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3126   {
3127     if (button != MB_MENU_INITIALIZE)
3128     {
3129       PlaySound(SND_MENU_ITEM_SELECTING);
3130
3131       if (list != NULL)
3132         list = list->next;
3133     }
3134
3135     if (list == NULL)
3136     {
3137       FadeMenuSoundsAndMusic();
3138
3139       info_mode = INFO_MODE_MAIN;
3140       DrawInfoScreen();
3141
3142       return;
3143     }
3144
3145     FadeMenuSoundsAndMusic();
3146
3147     if (list != music_file_info)
3148       FadeSetNextScreen();
3149
3150     if (button != MB_MENU_INITIALIZE)
3151       FadeOut(REDRAW_FIELD);
3152
3153     ClearField();
3154     DrawHeadline();
3155
3156     if (list->is_sound)
3157     {
3158       int sound = list->music;
3159
3160       if (sound_info[sound].loop)
3161         PlaySoundLoop(sound);
3162       else
3163         PlaySound(sound);
3164
3165       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3166     }
3167     else
3168     {
3169       int music = list->music;
3170
3171       if (music_info[music].loop)
3172         PlayMusicLoop(music);
3173       else
3174         PlayMusic(music);
3175
3176       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3177     }
3178
3179     ystart += ystep_title;
3180
3181     if (!strEqual(list->title, UNKNOWN_NAME))
3182     {
3183       if (!strEqual(list->title_header, UNKNOWN_NAME))
3184       {
3185         DrawTextSCentered(ystart, font_head, list->title_header);
3186         ystart += ystep_head;
3187       }
3188
3189       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3190       ystart += ystep_head;
3191     }
3192
3193     if (!strEqual(list->artist, UNKNOWN_NAME))
3194     {
3195       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3196         DrawTextSCentered(ystart, font_head, list->artist_header);
3197       else
3198         DrawTextSCentered(ystart, font_head, "by");
3199
3200       ystart += ystep_head;
3201
3202       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3203       ystart += ystep_head;
3204     }
3205
3206     if (!strEqual(list->album, UNKNOWN_NAME))
3207     {
3208       if (!strEqual(list->album_header, UNKNOWN_NAME))
3209         DrawTextSCentered(ystart, font_head, list->album_header);
3210       else
3211         DrawTextSCentered(ystart, font_head, "from the album");
3212
3213       ystart += ystep_head;
3214
3215       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3216       ystart += ystep_head;
3217     }
3218
3219     if (!strEqual(list->year, UNKNOWN_NAME))
3220     {
3221       if (!strEqual(list->year_header, UNKNOWN_NAME))
3222         DrawTextSCentered(ystart, font_head, list->year_header);
3223       else
3224         DrawTextSCentered(ystart, font_head, "from the year");
3225
3226       ystart += ystep_head;
3227
3228       DrawTextFCentered(ystart, font_text, "%s", list->year);
3229       ystart += ystep_head;
3230     }
3231
3232     DrawTextSCentered(ybottom, FONT_TEXT_4,
3233                       "Press any key or button for next page");
3234
3235     if (button != MB_MENU_INITIALIZE)
3236       FadeIn(REDRAW_FIELD);
3237   }
3238
3239   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3240     PlaySoundLoop(list->music);
3241 }
3242
3243 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3244 {
3245   int font_title = MENU_INFO_FONT_TITLE;
3246   int font_head  = MENU_INFO_FONT_HEAD;
3247   int font_text  = MENU_INFO_FONT_TEXT;
3248   int font_foot  = MENU_INFO_FONT_FOOT;
3249   int spacing_title = menu.headline1_spacing_info[info_mode];
3250   int spacing_head  = menu.headline2_spacing_info[info_mode];
3251   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3252   int spacing_line  = menu.line_spacing_info[info_mode];
3253   int ystep_title = getMenuTextStep(spacing_title, font_title);
3254   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3255   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3256   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3257   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3258   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3259
3260   ClearField();
3261   DrawHeadline();
3262
3263   DrawTextSCentered(ystart, font_title, "Credits:");
3264   ystart += ystep_title;
3265
3266   if (screen_nr == 0)
3267   {
3268     DrawTextSCentered(ystart, font_head,
3269                       "Special thanks to");
3270     ystart += ystep_head;
3271     DrawTextSCentered(ystart, font_text,
3272                       "Peter Liepa");
3273     ystart += ystep_head;
3274     DrawTextSCentered(ystart, font_head,
3275                       "for creating");
3276     ystart += ystep_head;
3277     DrawTextSCentered(ystart, font_text,
3278                       "\"Boulder Dash\"");
3279     ystart += ystep_head;
3280     DrawTextSCentered(ystart, font_head,
3281                       "in the year");
3282     ystart += ystep_head;
3283     DrawTextSCentered(ystart, font_text,
3284                       "1984");
3285     ystart += ystep_head;
3286     DrawTextSCentered(ystart, font_head,
3287                       "published by");
3288     ystart += ystep_head;
3289     DrawTextSCentered(ystart, font_text,
3290                       "First Star Software");
3291   }
3292   else if (screen_nr == 1)
3293   {
3294     DrawTextSCentered(ystart, font_head,
3295                       "Special thanks to");
3296     ystart += ystep_head;
3297     DrawTextSCentered(ystart, font_text,
3298                       "Klaus Heinz & Volker Wertich");
3299     ystart += ystep_head;
3300     DrawTextSCentered(ystart, font_head,
3301                       "for creating");
3302     ystart += ystep_head;
3303     DrawTextSCentered(ystart, font_text,
3304                       "\"Emerald Mine\"");
3305     ystart += ystep_head;
3306     DrawTextSCentered(ystart, font_head,
3307                       "in the year");
3308     ystart += ystep_head;
3309     DrawTextSCentered(ystart, font_text,
3310                       "1987");
3311     ystart += ystep_head;
3312     DrawTextSCentered(ystart, font_head,
3313                       "published by");
3314     ystart += ystep_head;
3315     DrawTextSCentered(ystart, font_text,
3316                       "Kingsoft");
3317   }
3318   else if (screen_nr == 2)
3319   {
3320     DrawTextSCentered(ystart, font_head,
3321                       "Special thanks to");
3322     ystart += ystep_head;
3323     DrawTextSCentered(ystart, font_text,
3324                       "Michael Stopp & Philip Jespersen");
3325     ystart += ystep_head;
3326     DrawTextSCentered(ystart, font_head,
3327                       "for creating");
3328     ystart += ystep_head;
3329     DrawTextSCentered(ystart, font_text,
3330                       "\"Supaplex\"");
3331     ystart += ystep_head;
3332     DrawTextSCentered(ystart, font_head,
3333                       "in the year");
3334     ystart += ystep_head;
3335     DrawTextSCentered(ystart, font_text,
3336                       "1991");
3337     ystart += ystep_head;
3338     DrawTextSCentered(ystart, font_head,
3339                       "published by");
3340     ystart += ystep_head;
3341     DrawTextSCentered(ystart, font_text,
3342                       "Digital Integration");
3343   }
3344   else if (screen_nr == 3)
3345   {
3346     DrawTextSCentered(ystart, font_head,
3347                       "Special thanks to");
3348     ystart += ystep_head;
3349     DrawTextSCentered(ystart, font_text,
3350                       "Hiroyuki Imabayashi");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_head,
3353                       "for creating");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_text,
3356                       "\"Sokoban\"");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_head,
3359                       "in the year");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_text,
3362                       "1982");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_head,
3365                       "published by");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_text,
3368                       "Thinking Rabbit");
3369   }
3370   else if (screen_nr == 4)
3371   {
3372     DrawTextSCentered(ystart, font_head,
3373                       "Special thanks to");
3374     ystart += ystep_head;
3375     DrawTextSCentered(ystart, font_text,
3376                       "Alan Bond");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_head,
3379                       "and");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_text,
3382                       "J\xfcrgen Bonhagen");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_head,
3385                       "for the continuous creation");
3386     ystart += ystep_line;
3387     DrawTextSCentered(ystart, font_head,
3388                       "of outstanding level sets");
3389   }
3390   else if (screen_nr == 5)
3391   {
3392     DrawTextSCentered(ystart, font_head,
3393                       "Thanks to");
3394     ystart += ystep_head;
3395     DrawTextSCentered(ystart, font_text,
3396                       "Peter Elzner");
3397     ystart += ystep_head;
3398     DrawTextSCentered(ystart, font_head,
3399                       "for ideas and inspiration by");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_text,
3402                       "Diamond Caves");
3403     ystart += ystep_para;
3404
3405     DrawTextSCentered(ystart, font_head,
3406                       "Thanks to");
3407     ystart += ystep_head;
3408     DrawTextSCentered(ystart, font_text,
3409                       "Steffest");
3410     ystart += ystep_head;
3411     DrawTextSCentered(ystart, font_head,
3412                       "for ideas and inspiration by");
3413     ystart += ystep_head;
3414     DrawTextSCentered(ystart, font_text,
3415                       "DX-Boulderdash");
3416   }
3417   else if (screen_nr == 6)
3418   {
3419     DrawTextSCentered(ystart, font_head,
3420                       "Thanks to");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "David Tritscher");
3424     ystart += ystep_head;
3425     DrawTextSCentered(ystart, font_head,
3426                       "for the code base used for the");
3427     ystart += ystep_line;
3428     DrawTextSCentered(ystart, font_head,
3429                       "native Emerald Mine engine");
3430   }
3431   else if (screen_nr == 7)
3432   {
3433     DrawTextSCentered(ystart, font_head,
3434                       "Thanks to");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "Guido Schulz");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "for the initial DOS port");
3441     ystart += ystep_para;
3442
3443     DrawTextSCentered(ystart, font_head,
3444                       "Thanks to");
3445     ystart += ystep_head;
3446     DrawTextSCentered(ystart, font_text,
3447                       "Karl H\xf6rnell");
3448     ystart += ystep_head;
3449     DrawTextSCentered(ystart, font_head,
3450                       "for some additional toons");
3451   }
3452   else if (screen_nr == 8)
3453   {
3454     DrawTextSCentered(ystart, font_head,
3455                       "And not to forget:");
3456     ystart += ystep_head;
3457     DrawTextSCentered(ystart, font_head,
3458                       "Many thanks to");
3459     ystart += ystep_head;
3460     DrawTextSCentered(ystart, font_text,
3461                       "All those who contributed");
3462     ystart += ystep_line;
3463     DrawTextSCentered(ystart, font_text,
3464                       "levels to this game");
3465     ystart += ystep_line;
3466     DrawTextSCentered(ystart, font_text,
3467                       "since 1995");
3468   }
3469
3470   DrawTextSCentered(ybottom, font_foot,
3471                     "Press any key or button for next page");
3472 }
3473
3474 static void DrawInfoScreen_Credits(void)
3475 {
3476   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3477
3478   FadeMenuSoundsAndMusic();
3479
3480   FadeOut(REDRAW_FIELD);
3481
3482   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3483
3484   FadeIn(REDRAW_FIELD);
3485 }
3486
3487 void HandleInfoScreen_Credits(int button)
3488 {
3489   static int screen_nr = 0;
3490   int num_screens = 9;
3491
3492   if (button == MB_MENU_INITIALIZE)
3493   {
3494     screen_nr = 0;
3495
3496     // DrawInfoScreen_CreditsScreen(screen_nr);
3497   }
3498
3499   if (button == MB_MENU_LEAVE)
3500   {
3501     PlaySound(SND_MENU_ITEM_SELECTING);
3502
3503     info_mode = INFO_MODE_MAIN;
3504     DrawInfoScreen();
3505
3506     return;
3507   }
3508   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3509   {
3510     if (button != MB_MENU_INITIALIZE)
3511     {
3512       PlaySound(SND_MENU_ITEM_SELECTING);
3513
3514       screen_nr++;
3515     }
3516
3517     if (screen_nr >= num_screens)
3518     {
3519       FadeMenuSoundsAndMusic();
3520
3521       info_mode = INFO_MODE_MAIN;
3522       DrawInfoScreen();
3523
3524       return;
3525     }
3526
3527     if (screen_nr > 0)
3528       FadeSetNextScreen();
3529
3530     if (button != MB_MENU_INITIALIZE)
3531       FadeOut(REDRAW_FIELD);
3532
3533     DrawInfoScreen_CreditsScreen(screen_nr);
3534
3535     if (button != MB_MENU_INITIALIZE)
3536       FadeIn(REDRAW_FIELD);
3537   }
3538   else
3539   {
3540     PlayMenuSoundIfLoop();
3541   }
3542 }
3543
3544 static void DrawInfoScreen_Program(void)
3545 {
3546   int font_title = MENU_INFO_FONT_TITLE;
3547   int font_head  = MENU_INFO_FONT_HEAD;
3548   int font_text  = MENU_INFO_FONT_TEXT;
3549   int font_foot  = MENU_INFO_FONT_FOOT;
3550   int spacing_title = menu.headline1_spacing_info[info_mode];
3551   int spacing_head  = menu.headline2_spacing_info[info_mode];
3552   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3553   int spacing_line  = menu.line_spacing_info[info_mode];
3554   int ystep_title = getMenuTextStep(spacing_title, font_title);
3555   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3556   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3557   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3558   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3559   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3560
3561   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3562
3563   FadeOut(REDRAW_FIELD);
3564
3565   ClearField();
3566   DrawHeadline();
3567
3568   DrawTextSCentered(ystart, font_title, "Program Information:");
3569   ystart += ystep_title;
3570
3571   DrawTextSCentered(ystart, font_head,
3572                     "This game is Freeware!");
3573   ystart += ystep_head;
3574   DrawTextSCentered(ystart, font_head,
3575                     "If you like it, send e-mail to:");
3576   ystart += ystep_head;
3577   DrawTextSCentered(ystart, font_text,
3578                     setup.internal.program_email);
3579   ystart += ystep_para;
3580
3581   DrawTextSCentered(ystart, font_head,
3582                     "More information and levels:");
3583   ystart += ystep_head;
3584   DrawTextSCentered(ystart, font_text,
3585                     setup.internal.program_website);
3586   ystart += ystep_para;
3587
3588   DrawTextSCentered(ystart, font_head,
3589                     "If you have created new levels,");
3590   ystart += ystep_line;
3591   DrawTextSCentered(ystart, font_head,
3592                     "send them to me to include them!");
3593   ystart += ystep_head;
3594   DrawTextSCentered(ystart, font_head,
3595                     ":-)");
3596
3597   DrawTextSCentered(ybottom, font_foot,
3598                     "Press any key or button for info menu");
3599
3600   FadeIn(REDRAW_FIELD);
3601 }
3602
3603 void HandleInfoScreen_Program(int button)
3604 {
3605   if (button == MB_MENU_LEAVE)
3606   {
3607     PlaySound(SND_MENU_ITEM_SELECTING);
3608
3609     info_mode = INFO_MODE_MAIN;
3610     DrawInfoScreen();
3611
3612     return;
3613   }
3614   else if (button == MB_MENU_CHOICE)
3615   {
3616     PlaySound(SND_MENU_ITEM_SELECTING);
3617
3618     FadeMenuSoundsAndMusic();
3619
3620     info_mode = INFO_MODE_MAIN;
3621     DrawInfoScreen();
3622   }
3623   else
3624   {
3625     PlayMenuSoundIfLoop();
3626   }
3627 }
3628
3629 static void DrawInfoScreen_Version(void)
3630 {
3631   int font_title = MENU_INFO_FONT_TITLE;
3632   int font_head  = MENU_INFO_FONT_HEAD;
3633   int font_text  = MENU_INFO_FONT_TEXT;
3634   int font_foot  = MENU_INFO_FONT_FOOT;
3635   int spacing_title = menu.headline1_spacing_info[info_mode];
3636   int spacing_head  = menu.headline2_spacing_info[info_mode];
3637   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3638   int spacing_line  = menu.line_spacing_info[info_mode];
3639   int xstep = getFontWidth(font_text);
3640   int ystep_title = getMenuTextStep(spacing_title, font_title);
3641   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3642   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3643   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3644   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3645   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3646   int xstart1 = mSX - SX + 2 * xstep;
3647   int xstart2 = mSX - SX + 18 * xstep;
3648   int xstart3 = mSX - SX + 28 * xstep;
3649   SDL_version sdl_version_compiled;
3650   const SDL_version *sdl_version_linked;
3651   int driver_name_len = 10;
3652   SDL_version sdl_version_linked_ext;
3653   const char *driver_name = NULL;
3654
3655   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3656
3657   FadeOut(REDRAW_FIELD);
3658
3659   ClearField();
3660   DrawHeadline();
3661
3662   DrawTextSCentered(ystart, font_title, "Version Information:");
3663   ystart += ystep_title;
3664
3665   DrawTextF(xstart1, ystart, font_head, "Name");
3666   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3667   ystart += ystep_line;
3668
3669   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3670   {
3671     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3672     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3673     ystart += ystep_line;
3674
3675     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3676     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3677     ystart += ystep_line;
3678   }
3679   else
3680   {
3681     DrawTextF(xstart1, ystart, font_head, "Version");
3682     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3683     ystart += ystep_line;
3684   }
3685
3686   DrawTextF(xstart1, ystart, font_head, "Platform");
3687   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3688             PLATFORM_STRING,
3689             PLATFORM_XX_BIT_STRING);
3690   ystart += ystep_line;
3691
3692   DrawTextF(xstart1, ystart, font_head, "Target");
3693   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3694   ystart += ystep_line;
3695
3696   DrawTextF(xstart1, ystart, font_head, "Source date");
3697   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3698   ystart += ystep_para;
3699
3700   DrawTextF(xstart1, ystart, font_head, "Library");
3701   DrawTextF(xstart2, ystart, font_head, "compiled");
3702   DrawTextF(xstart3, ystart, font_head, "linked");
3703   ystart += ystep_head;
3704
3705   SDL_VERSION(&sdl_version_compiled);
3706   SDL_GetVersion(&sdl_version_linked_ext);
3707   sdl_version_linked = &sdl_version_linked_ext;
3708
3709   DrawTextF(xstart1, ystart, font_text, "SDL");
3710   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3711             sdl_version_compiled.major,
3712             sdl_version_compiled.minor,
3713             sdl_version_compiled.patch);
3714   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3715             sdl_version_linked->major,
3716             sdl_version_linked->minor,
3717             sdl_version_linked->patch);
3718   ystart += ystep_line;
3719
3720   SDL_IMAGE_VERSION(&sdl_version_compiled);
3721   sdl_version_linked = IMG_Linked_Version();
3722
3723   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3724   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3725             sdl_version_compiled.major,
3726             sdl_version_compiled.minor,
3727             sdl_version_compiled.patch);
3728   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3729             sdl_version_linked->major,
3730             sdl_version_linked->minor,
3731             sdl_version_linked->patch);
3732   ystart += ystep_line;
3733
3734   SDL_MIXER_VERSION(&sdl_version_compiled);
3735   sdl_version_linked = Mix_Linked_Version();
3736
3737   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3738   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3739             sdl_version_compiled.major,
3740             sdl_version_compiled.minor,
3741             sdl_version_compiled.patch);
3742   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3743             sdl_version_linked->major,
3744             sdl_version_linked->minor,
3745             sdl_version_linked->patch);
3746   ystart += ystep_line;
3747
3748   SDL_NET_VERSION(&sdl_version_compiled);
3749   sdl_version_linked = SDLNet_Linked_Version();
3750
3751   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3752   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3753             sdl_version_compiled.major,
3754             sdl_version_compiled.minor,
3755             sdl_version_compiled.patch);
3756   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3757             sdl_version_linked->major,
3758             sdl_version_linked->minor,
3759             sdl_version_linked->patch);
3760   ystart += ystep_para;
3761
3762   DrawTextF(xstart1, ystart, font_head, "Driver");
3763   DrawTextF(xstart2, ystart, font_head, "Requested");
3764   DrawTextF(xstart3, ystart, font_head, "Used");
3765   ystart += ystep_head;
3766
3767   driver_name =
3768     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3769
3770   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3771   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3772   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3773   ystart += ystep_line;
3774
3775   driver_name =
3776     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3777
3778   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3779   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3780   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3781
3782   DrawTextSCentered(ybottom, font_foot,
3783                     "Press any key or button for info menu");
3784
3785   FadeIn(REDRAW_FIELD);
3786 }
3787
3788 void HandleInfoScreen_Version(int button)
3789 {
3790   if (button == MB_MENU_LEAVE)
3791   {
3792     PlaySound(SND_MENU_ITEM_SELECTING);
3793
3794     info_mode = INFO_MODE_MAIN;
3795     DrawInfoScreen();
3796
3797     return;
3798   }
3799   else if (button == MB_MENU_CHOICE)
3800   {
3801     PlaySound(SND_MENU_ITEM_SELECTING);
3802
3803     FadeMenuSoundsAndMusic();
3804
3805     info_mode = INFO_MODE_MAIN;
3806     DrawInfoScreen();
3807   }
3808   else
3809   {
3810     PlayMenuSoundIfLoop();
3811   }
3812 }
3813
3814 static void DrawInfoScreen_LevelSet(void)
3815 {
3816   struct TitleMessageInfo *tmi = &readme;
3817   char *filename = getLevelSetInfoFilename();
3818   char *title = "Level Set Information:";
3819   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3820   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3821
3822   if (filename == NULL)
3823   {
3824     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3825
3826     return;
3827   }
3828
3829   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3830
3831   FadeOut(REDRAW_FIELD);
3832
3833   ClearField();
3834   DrawHeadline();
3835
3836   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3837
3838   // if x position set to "-1", automatically determine by playfield width
3839   if (tmi->x == -1)
3840     tmi->x = SXSIZE / 2;
3841
3842   // if y position set to "-1", use static default value
3843   if (tmi->y == -1)
3844     tmi->y = 150;
3845
3846   // if width set to "-1", automatically determine by playfield width
3847   if (tmi->width == -1)
3848     tmi->width = SXSIZE - 2 * TILEX;
3849
3850   // if height set to "-1", automatically determine by playfield height
3851   if (tmi->height == -1)
3852     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3853
3854   // if chars set to "-1", automatically determine by text and font width
3855   if (tmi->chars == -1)
3856     tmi->chars = tmi->width / getFontWidth(tmi->font);
3857   else
3858     tmi->width = tmi->chars * getFontWidth(tmi->font);
3859
3860   // if lines set to "-1", automatically determine by text and font height
3861   if (tmi->lines == -1)
3862     tmi->lines = tmi->height / getFontHeight(tmi->font);
3863   else
3864     tmi->height = tmi->lines * getFontHeight(tmi->font);
3865
3866   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3867                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3868                tmi->autowrap, tmi->centered, tmi->parse_comments);
3869
3870   DrawTextSCentered(ybottom, FONT_TEXT_4,
3871                     "Press any key or button for info menu");
3872
3873   FadeIn(REDRAW_FIELD);
3874 }
3875
3876 static void HandleInfoScreen_LevelSet(int button)
3877 {
3878   if (button == MB_MENU_LEAVE)
3879   {
3880     PlaySound(SND_MENU_ITEM_SELECTING);
3881
3882     info_mode = INFO_MODE_MAIN;
3883     DrawInfoScreen();
3884
3885     return;
3886   }
3887   else if (button == MB_MENU_CHOICE)
3888   {
3889     PlaySound(SND_MENU_ITEM_SELECTING);
3890
3891     FadeMenuSoundsAndMusic();
3892
3893     info_mode = INFO_MODE_MAIN;
3894     DrawInfoScreen();
3895   }
3896   else
3897   {
3898     PlayMenuSoundIfLoop();
3899   }
3900 }
3901
3902 static void DrawInfoScreen(void)
3903 {
3904   if (info_mode == INFO_MODE_TITLE)
3905     DrawInfoScreen_TitleScreen();
3906   else if (info_mode == INFO_MODE_ELEMENTS)
3907     DrawInfoScreen_Elements();
3908   else if (info_mode == INFO_MODE_MUSIC)
3909     DrawInfoScreen_Music();
3910   else if (info_mode == INFO_MODE_CREDITS)
3911     DrawInfoScreen_Credits();
3912   else if (info_mode == INFO_MODE_PROGRAM)
3913     DrawInfoScreen_Program();
3914   else if (info_mode == INFO_MODE_VERSION)
3915     DrawInfoScreen_Version();
3916   else if (info_mode == INFO_MODE_LEVELSET)
3917     DrawInfoScreen_LevelSet();
3918   else
3919     DrawInfoScreen_Main();
3920
3921   if (info_mode != INFO_MODE_MAIN &&
3922       info_mode != INFO_MODE_TITLE &&
3923       info_mode != INFO_MODE_MUSIC)
3924     PlayMenuSoundsAndMusic();
3925 }
3926
3927 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3928 {
3929   if (info_mode == INFO_MODE_TITLE)
3930     HandleInfoScreen_TitleScreen(button);
3931   else if (info_mode == INFO_MODE_ELEMENTS)
3932     HandleInfoScreen_Elements(button);
3933   else if (info_mode == INFO_MODE_MUSIC)
3934     HandleInfoScreen_Music(button);
3935   else if (info_mode == INFO_MODE_CREDITS)
3936     HandleInfoScreen_Credits(button);
3937   else if (info_mode == INFO_MODE_PROGRAM)
3938     HandleInfoScreen_Program(button);
3939   else if (info_mode == INFO_MODE_VERSION)
3940     HandleInfoScreen_Version(button);
3941   else if (info_mode == INFO_MODE_LEVELSET)
3942     HandleInfoScreen_LevelSet(button);
3943   else
3944     HandleInfoScreen_Main(mx, my, dx, dy, button);
3945 }
3946
3947
3948 // ============================================================================
3949 // type name functions
3950 // ============================================================================
3951
3952 void HandleTypeName(int newxpos, Key key)
3953 {
3954   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3955   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3956   struct TextPosInfo *pos = mci->pos_input;
3957   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3958   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3959   static int xpos = 0;
3960   int font_nr = pos->font;
3961   int font_active_nr = FONT_ACTIVE(font_nr);
3962   int font_width = getFontWidth(font_active_nr);
3963   char key_char = getValidConfigValueChar(getCharFromKey(key));
3964   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3965   boolean is_active = TRUE;
3966
3967   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3968
3969   if (newxpos)
3970   {
3971     strcpy(last_player_name, setup.player_name);
3972
3973     xpos = newxpos;
3974
3975     StartTextInput(startx, starty, pos->width, pos->height);
3976   }
3977   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3978   {
3979     setup.player_name[xpos] = key_char;
3980     setup.player_name[xpos + 1] = 0;
3981
3982     xpos++;
3983   }
3984   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3985   {
3986     xpos--;
3987
3988     setup.player_name[xpos] = 0;
3989   }
3990   else if (key == KSYM_Return && xpos > 0)
3991   {
3992     SaveSetup();
3993
3994     is_active = FALSE;
3995
3996     SetGameStatus(GAME_MODE_MAIN);
3997   }
3998   else if (key == KSYM_Escape)
3999   {
4000     strcpy(setup.player_name, last_player_name);
4001
4002     is_active = FALSE;
4003
4004     SetGameStatus(GAME_MODE_MAIN);
4005   }
4006
4007   if (is_active)
4008   {
4009     pos->width = (strlen(setup.player_name) + 1) * font_width;
4010     startx = mSX + ALIGNED_TEXT_XPOS(pos);
4011
4012     DrawText(startx, starty, setup.player_name, font_active_nr);
4013     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
4014   }
4015   else
4016   {
4017     pos->width = strlen(setup.player_name) * font_width;
4018     startx = mSX + ALIGNED_TEXT_XPOS(pos);
4019
4020     DrawText(startx, starty, setup.player_name, font_nr);
4021
4022     StopTextInput();
4023   }
4024 }
4025
4026
4027 // ============================================================================
4028 // tree menu functions
4029 // ============================================================================
4030
4031 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4032 {
4033   if (game_status != GAME_MODE_SETUP ||
4034       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4035     return 0;
4036
4037   int max_text_size = 0;
4038   TreeInfo *node;
4039
4040   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4041     max_text_size = MAX(max_text_size, strlen(node->name));
4042
4043   int num_entries = numTreeInfoInGroup(ti);
4044   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4045   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4046   int button_width = SC_MENUBUTTON_XSIZE;
4047   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4048   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4049   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4050   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4051   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4052   int align_xoffset = MAX(0, align_xoffset_raw);
4053
4054   return align_xoffset;
4055 }
4056
4057 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4058 {
4059   if (game_status != GAME_MODE_SETUP ||
4060       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4061     return 0;
4062
4063   int num_entries = numTreeInfoInGroup(ti);
4064   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4065   int font_height = getFontHeight(FONT_TEXT_1);
4066   int text_height = font_height * num_page_entries;
4067   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4068   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4069   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4070   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4071   int align_yoffset = MAX(0, align_yoffset_raw);
4072
4073   return align_yoffset;
4074 }
4075
4076 static void DrawChooseTree(TreeInfo **ti_ptr)
4077 {
4078   int fade_mask = REDRAW_FIELD;
4079
4080   if (CheckFadeAll())
4081     fade_mask = REDRAW_ALL;
4082
4083   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4084   {
4085     SetGameStatus(GAME_MODE_MAIN);
4086
4087     DrawMainMenu();
4088
4089     return;
4090   }
4091
4092   UnmapAllGadgets();
4093
4094   FreeScreenGadgets();
4095   CreateScreenGadgets();
4096
4097   FadeOut(fade_mask);
4098
4099   // needed if different viewport properties defined for choosing level (set)
4100   ChangeViewportPropertiesIfNeeded();
4101
4102   if (game_status == GAME_MODE_LEVELNR)
4103     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4104   else if (game_status == GAME_MODE_LEVELS)
4105     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4106
4107   ClearField();
4108
4109   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4110
4111   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4112   MapScreenTreeGadgets(*ti_ptr);
4113
4114   DrawMaskedBorder(fade_mask);
4115
4116   FadeIn(fade_mask);
4117 }
4118
4119 static void drawChooseTreeList(int first_entry, int num_page_entries,
4120                                TreeInfo *ti)
4121 {
4122   int num_entries = numTreeInfoInGroup(ti);
4123   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4124   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4125   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4126   int font_nr = FONT_TEXT_1;
4127   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4128   int i;
4129   char *title_string = NULL;
4130   int yoffset_sets = MENU_TITLE1_YPOS;
4131   int yoffset_setup = 16;
4132   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4133                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4134
4135   title_string = ti->infotext;
4136
4137   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4138
4139   clearMenuListArea();
4140
4141   for (i = 0; i < num_page_entries; i++)
4142   {
4143     TreeInfo *node, *node_first;
4144     int entry_pos = first_entry + i;
4145     int xpos = MENU_SCREEN_START_XPOS;
4146     int ypos = MENU_SCREEN_START_YPOS + i;
4147     int startx = amSX + xpos * 32;
4148     int starty = amSY + ypos * 32;
4149     int startx_text = startx + font_xoffset;
4150     int endx_text = amSX + screen_width;
4151     int max_text_size = endx_text - startx_text;
4152     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4153     char buffer[max_buffer_len + 1];
4154
4155     node_first = getTreeInfoFirstGroupEntry(ti);
4156     node = getTreeInfoFromPos(node_first, entry_pos);
4157
4158     strncpy(buffer, node->name, max_buffer_len);
4159     buffer[max_buffer_len] = '\0';
4160
4161     DrawText(startx, starty, buffer, font_nr + node->color);
4162
4163     if (node->parent_link)
4164       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4165     else if (node->level_group)
4166       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4167     else
4168       initCursor(i, IMG_MENU_BUTTON);
4169   }
4170
4171   redraw_mask |= REDRAW_FIELD;
4172 }
4173
4174 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4175 {
4176   TreeInfo *node, *node_first;
4177   int x, last_redraw_mask = redraw_mask;
4178   int ypos = MENU_TITLE2_YPOS;
4179   int font_nr = FONT_TITLE_2;
4180
4181   if (ti->type == TREE_TYPE_LEVEL_NR)
4182     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4183
4184   if (ti->type != TREE_TYPE_LEVEL_DIR)
4185     return;
4186
4187   node_first = getTreeInfoFirstGroupEntry(ti);
4188   node = getTreeInfoFromPos(node_first, entry_pos);
4189
4190   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4191
4192   if (node->parent_link)
4193     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4194                       node->node_parent->name);
4195   else if (node->level_group)
4196     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4197                       node->name);
4198   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4199     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4200                       node->levels, (node->levels > 1 ? "levels" : "level"),
4201                       node->class_desc);
4202
4203   // let BackToFront() redraw only what is needed
4204   redraw_mask = last_redraw_mask;
4205   for (x = 0; x < SCR_FIELDX; x++)
4206     MarkTileDirty(x, 1);
4207 }
4208
4209 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4210                              TreeInfo **ti_ptr)
4211 {
4212   TreeInfo *ti = *ti_ptr;
4213   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4214   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4215   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4216   int x = 0;
4217   int y = ti->cl_cursor;
4218   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4219   int num_entries = numTreeInfoInGroup(ti);
4220   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4221   boolean position_set_by_scrollbar = (dx == 999);
4222
4223   if (button == MB_MENU_INITIALIZE)
4224   {
4225     int num_entries = numTreeInfoInGroup(ti);
4226     int entry_pos = posTreeInfo(ti);
4227
4228     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4229     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4230
4231     if (ti->cl_first == -1)
4232     {
4233       // only on initialization
4234       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4235       ti->cl_cursor = entry_pos - ti->cl_first;
4236     }
4237     else if (ti->cl_cursor >= num_page_entries ||
4238              (num_entries > num_page_entries &&
4239               num_entries - ti->cl_first < num_page_entries))
4240     {
4241       // only after change of list size (by custom graphic configuration)
4242       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4243       ti->cl_cursor = entry_pos - ti->cl_first;
4244     }
4245
4246     if (position_set_by_scrollbar)
4247       ti->cl_first = dy;
4248     else
4249       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4250                                 ti->cl_first, ti);
4251
4252     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4253     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4254     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4255
4256     return;
4257   }
4258   else if (button == MB_MENU_LEAVE)
4259   {
4260     FadeSetLeaveMenu();
4261
4262     PlaySound(SND_MENU_ITEM_SELECTING);
4263
4264     if (ti->node_parent)
4265     {
4266       *ti_ptr = ti->node_parent;
4267       DrawChooseTree(ti_ptr);
4268     }
4269     else if (game_status == GAME_MODE_SETUP)
4270     {
4271       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4272           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4273           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4274         execSetupGame();
4275       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4276                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4277                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4278                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4279         execSetupGraphics();
4280       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4281                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4282                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4283         execSetupSound();
4284       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4285                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4286                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4287                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4288                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4289                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4290                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4291                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4292         execSetupTouch();
4293       else
4294         execSetupArtwork();
4295     }
4296     else
4297     {
4298       if (game_status == GAME_MODE_LEVELNR)
4299       {
4300         int new_level_nr = atoi(level_number_current->identifier);
4301
4302         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4303       }
4304
4305       SetGameStatus(GAME_MODE_MAIN);
4306
4307       DrawMainMenu();
4308     }
4309
4310     return;
4311   }
4312
4313   if (mx || my)         // mouse input
4314   {
4315     x = (mx - amSX) / 32;
4316     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4317   }
4318   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4319   {
4320     // move cursor instead of scrolling when already at start/end of list
4321     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4322       dy = -1;
4323     else if (dy == +1 * SCROLL_LINE &&
4324              ti->cl_first + num_page_entries == num_entries)
4325       dy = 1;
4326
4327     // handle scrolling screen one line or page
4328     if (ti->cl_cursor + dy < 0 ||
4329         ti->cl_cursor + dy > num_page_entries - 1)
4330     {
4331       boolean redraw = FALSE;
4332
4333       if (ABS(dy) == SCROLL_PAGE)
4334         step = num_page_entries - 1;
4335
4336       if (dy < 0 && ti->cl_first > 0)
4337       {
4338         // scroll page/line up
4339
4340         ti->cl_first -= step;
4341         if (ti->cl_first < 0)
4342           ti->cl_first = 0;
4343
4344         redraw = TRUE;
4345       }
4346       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4347       {
4348         // scroll page/line down
4349
4350         ti->cl_first += step;
4351         if (ti->cl_first + num_page_entries > num_entries)
4352           ti->cl_first = MAX(0, num_entries - num_page_entries);
4353
4354         redraw = TRUE;
4355       }
4356
4357       if (redraw)
4358       {
4359         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4360         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4361         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4362
4363         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4364                                   ti->cl_first, ti);
4365       }
4366
4367       return;
4368     }
4369
4370     // handle moving cursor one line
4371     y = ti->cl_cursor + dy;
4372   }
4373
4374   if (dx == 1)
4375   {
4376     TreeInfo *node_first, *node_cursor;
4377     int entry_pos = ti->cl_first + y;
4378
4379     node_first = getTreeInfoFirstGroupEntry(ti);
4380     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4381
4382     if (node_cursor->node_group)
4383     {
4384       FadeSetEnterMenu();
4385
4386       PlaySound(SND_MENU_ITEM_SELECTING);
4387
4388       node_cursor->cl_first = ti->cl_first;
4389       node_cursor->cl_cursor = ti->cl_cursor;
4390       *ti_ptr = node_cursor->node_group;
4391       DrawChooseTree(ti_ptr);
4392
4393       return;
4394     }
4395   }
4396   else if (dx == -1 && ti->node_parent)
4397   {
4398     FadeSetLeaveMenu();
4399
4400     PlaySound(SND_MENU_ITEM_SELECTING);
4401
4402     *ti_ptr = ti->node_parent;
4403     DrawChooseTree(ti_ptr);
4404
4405     return;
4406   }
4407
4408   if (!anyScrollbarGadgetActive() &&
4409       IN_VIS_MENU(x, y) &&
4410       mx < mx_right_border &&
4411       y >= 0 && y < num_page_entries)
4412   {
4413     if (button)
4414     {
4415       if (y != ti->cl_cursor)
4416       {
4417         PlaySound(SND_MENU_ITEM_ACTIVATING);
4418
4419         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4420         drawChooseTreeCursor(y, TRUE);
4421         drawChooseTreeInfo(ti->cl_first + y, ti);
4422
4423         ti->cl_cursor = y;
4424       }
4425       else if (dx < 0)
4426       {
4427         if (game_status == GAME_MODE_SETUP)
4428         {
4429           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4430               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4431               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4432             execSetupGame();
4433           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4434                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4435                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4436                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4437             execSetupGraphics();
4438           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4439                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4440                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4441             execSetupSound();
4442           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4443                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4444                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4445                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4446                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4447                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4448                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4449                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4450             execSetupTouch();
4451           else
4452             execSetupArtwork();
4453         }
4454       }
4455     }
4456     else
4457     {
4458       TreeInfo *node_first, *node_cursor;
4459       int entry_pos = ti->cl_first + y;
4460
4461       PlaySound(SND_MENU_ITEM_SELECTING);
4462
4463       node_first = getTreeInfoFirstGroupEntry(ti);
4464       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4465
4466       if (node_cursor->node_group)
4467       {
4468         FadeSetEnterMenu();
4469
4470         node_cursor->cl_first = ti->cl_first;
4471         node_cursor->cl_cursor = ti->cl_cursor;
4472         *ti_ptr = node_cursor->node_group;
4473         DrawChooseTree(ti_ptr);
4474       }
4475       else if (node_cursor->parent_link)
4476       {
4477         FadeSetLeaveMenu();
4478
4479         *ti_ptr = node_cursor->node_parent;
4480         DrawChooseTree(ti_ptr);
4481       }
4482       else
4483       {
4484         FadeSetEnterMenu();
4485
4486         node_cursor->cl_first = ti->cl_first;
4487         node_cursor->cl_cursor = ti->cl_cursor;
4488         *ti_ptr = node_cursor;
4489
4490         if (ti->type == TREE_TYPE_LEVEL_DIR)
4491         {
4492           LoadLevelSetup_SeriesInfo();
4493
4494           SaveLevelSetup_LastSeries();
4495           SaveLevelSetup_SeriesInfo();
4496           TapeErase();
4497         }
4498
4499         if (game_status == GAME_MODE_SETUP)
4500         {
4501           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4502               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4503               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4504             execSetupGame();
4505           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4506                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4507                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4508                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4509             execSetupGraphics();
4510           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4511                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4512                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4513             execSetupSound();
4514           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4515                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4516                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4517                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4518                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4519                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4520                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4521                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4522             execSetupTouch();
4523           else
4524             execSetupArtwork();
4525         }
4526         else
4527         {
4528           if (game_status == GAME_MODE_LEVELNR)
4529           {
4530             int new_level_nr = atoi(level_number_current->identifier);
4531
4532             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4533           }
4534
4535           SetGameStatus(GAME_MODE_MAIN);
4536
4537           DrawMainMenu();
4538         }
4539       }
4540     }
4541   }
4542 }
4543
4544 void DrawChooseLevelSet(void)
4545 {
4546   FadeMenuSoundsAndMusic();
4547
4548   DrawChooseTree(&leveldir_current);
4549
4550   PlayMenuSoundsAndMusic();
4551 }
4552
4553 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4554 {
4555   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4556 }
4557
4558 void DrawChooseLevelNr(void)
4559 {
4560   int i;
4561
4562   FadeMenuSoundsAndMusic();
4563
4564   if (level_number != NULL)
4565   {
4566     freeTreeInfo(level_number);
4567
4568     level_number = NULL;
4569   }
4570
4571   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4572   {
4573     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4574     char identifier[32], name[64];
4575     int value = i;
4576
4577     // temporarily load level info to get level name
4578     LoadLevelInfoOnly(i);
4579
4580     ti->node_top = &level_number;
4581     ti->sort_priority = 10000 + value;
4582     ti->color = (level.no_level_file ? FC_BLUE :
4583                  LevelStats_getSolved(i) ? FC_GREEN :
4584                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4585
4586     snprintf(identifier, sizeof(identifier), "%d", value);
4587     snprintf(name, sizeof(name), "%03d: %s", value,
4588              (level.no_level_file ? "(no file)" : level.name));
4589
4590     setString(&ti->identifier, identifier);
4591     setString(&ti->name, name);
4592     setString(&ti->name_sorting, name);
4593
4594     pushTreeInfo(&level_number, ti);
4595   }
4596
4597   // sort level number values to start with lowest level number
4598   sortTreeInfo(&level_number);
4599
4600   // set current level number to current level number
4601   level_number_current =
4602     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4603
4604   // if that also fails, set current level number to first available level
4605   if (level_number_current == NULL)
4606     level_number_current = level_number;
4607
4608   DrawChooseTree(&level_number_current);
4609
4610   PlayMenuSoundsAndMusic();
4611 }
4612
4613 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4614 {
4615   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4616 }
4617
4618 void DrawHallOfFame(int level_nr, int highlight_position)
4619 {
4620   int fade_mask = REDRAW_FIELD;
4621
4622   if (CheckFadeAll())
4623     fade_mask = REDRAW_ALL;
4624
4625   UnmapAllGadgets();
4626   FadeMenuSoundsAndMusic();
4627
4628   // (this is needed when called from GameEnd() after winning a game)
4629   KeyboardAutoRepeatOn();
4630
4631   // (this is needed when called from GameEnd() after winning a game)
4632   SetDrawDeactivationMask(REDRAW_NONE);
4633   SetDrawBackgroundMask(REDRAW_FIELD);
4634
4635   if (highlight_position < 0)
4636     LoadScore(level_nr);
4637   else
4638     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4639
4640   FadeSetEnterScreen();
4641
4642   FadeOut(fade_mask);
4643
4644   // needed if different viewport properties defined for scores
4645   ChangeViewportPropertiesIfNeeded();
4646
4647   PlayMenuSoundsAndMusic();
4648
4649   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4650
4651   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4652
4653   DrawMaskedBorder(fade_mask);
4654
4655   FadeIn(fade_mask);
4656 }
4657
4658 static void drawHallOfFameList(int level_nr, int first_entry,
4659                                int highlight_position)
4660 {
4661   int i, j;
4662
4663   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4664   ClearField();
4665
4666   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4667   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4668                     "HighScores of Level %d", level_nr);
4669
4670   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4671   {
4672     int entry = first_entry + i;
4673     boolean active = (entry == highlight_position);
4674     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4675     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4676     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4677     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4678     int dxoff = getFontDrawOffsetX(font_nr1);
4679     int dx1 = 3 * getFontWidth(font_nr1);
4680     int dx2 = dx1 + getFontWidth(font_nr1);
4681     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4682     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4683     int sy = mSY + 64 + i * 32;
4684
4685     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4686     DrawText(mSX + dx1, sy, ".", font_nr1);
4687
4688     for (j = 0; j < num_dots; j++)
4689       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4690
4691     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4692       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4693
4694     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4695   }
4696
4697   redraw_mask |= REDRAW_FIELD;
4698 }
4699
4700 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4701 {
4702   static int level_nr = 0;
4703   static int first_entry = 0;
4704   static int highlight_position = 0;
4705   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4706
4707   if (button == MB_MENU_INITIALIZE)
4708   {
4709     level_nr = mx;
4710     first_entry = 0;
4711     highlight_position = my;
4712
4713     drawHallOfFameList(level_nr, first_entry, highlight_position);
4714
4715     return;
4716   }
4717
4718   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4719     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4720
4721   if (dy < 0)
4722   {
4723     if (first_entry > 0)
4724     {
4725       first_entry -= step;
4726       if (first_entry < 0)
4727         first_entry = 0;
4728
4729       drawHallOfFameList(level_nr, first_entry, highlight_position);
4730     }
4731   }
4732   else if (dy > 0)
4733   {
4734     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4735     {
4736       first_entry += step;
4737       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4738         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4739
4740       drawHallOfFameList(level_nr, first_entry, highlight_position);
4741     }
4742   }
4743   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4744   {
4745     PlaySound(SND_MENU_ITEM_SELECTING);
4746
4747     FadeSound(SND_BACKGROUND_SCORES);
4748
4749     if (button == MB_MENU_CHOICE &&
4750         game_status_last_screen == GAME_MODE_PLAYING &&
4751         setup.auto_play_next_level && setup.increment_levels &&
4752         level_nr < leveldir_current->last_level &&
4753         !network_playing)
4754     {
4755       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4756     }
4757     else
4758     {
4759       SetGameStatus(GAME_MODE_MAIN);
4760
4761       DrawMainMenu();
4762     }
4763   }
4764
4765   if (game_status == GAME_MODE_SCORES)
4766     PlayMenuSoundIfLoop();
4767 }
4768
4769
4770 // ============================================================================
4771 // setup screen functions
4772 // ============================================================================
4773
4774 static struct TokenInfo *setup_info;
4775 static int num_setup_info;      // number of setup entries shown on screen
4776 static int max_setup_info;      // total number of setup entries in list
4777
4778 static char *window_size_text;
4779 static char *scaling_type_text;
4780 static char *rendering_mode_text;
4781 static char *vsync_mode_text;
4782 static char *scroll_delay_text;
4783 static char *snapshot_mode_text;
4784 static char *game_speed_text;
4785 static char *network_server_text;
4786 static char *graphics_set_name;
4787 static char *sounds_set_name;
4788 static char *music_set_name;
4789 static char *volume_simple_text;
4790 static char *volume_loops_text;
4791 static char *volume_music_text;
4792 static char *touch_controls_text;
4793 static char *move_distance_text;
4794 static char *drop_distance_text;
4795 static char *transparency_text;
4796 static char *grid_size_text[2][2];
4797
4798 static void execSetupMain(void)
4799 {
4800   setup_mode = SETUP_MODE_MAIN;
4801
4802   DrawSetupScreen();
4803 }
4804
4805 static void execSetupGame_setGameSpeeds(boolean update_value)
4806 {
4807   if (setup.game_speed_extended)
4808   {
4809     game_speeds_list = game_speeds_list_extended;
4810     game_speeds      = game_speeds_extended;
4811   }
4812   else
4813   {
4814     game_speeds_list = game_speeds_list_normal;
4815     game_speeds      = game_speeds_normal;
4816   }
4817
4818   if (game_speeds == NULL)
4819   {
4820     int i;
4821
4822     for (i = 0; game_speeds_list[i].value != -1; i++)
4823     {
4824       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4825       char identifier[32], name[32];
4826       int value = game_speeds_list[i].value;
4827       char *text = game_speeds_list[i].text;
4828
4829       ti->node_top = &game_speeds;
4830       ti->sort_priority = 10000 - value;
4831
4832       sprintf(identifier, "%d", value);
4833       sprintf(name, "%s", text);
4834
4835       setString(&ti->identifier, identifier);
4836       setString(&ti->name, name);
4837       setString(&ti->name_sorting, name);
4838       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4839
4840       pushTreeInfo(&game_speeds, ti);
4841     }
4842
4843     // sort game speed values to start with slowest game speed
4844     sortTreeInfo(&game_speeds);
4845
4846     update_value = TRUE;
4847   }
4848
4849   if (update_value)
4850   {
4851     // set current game speed to configured game speed value
4852     game_speed_current =
4853       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4854
4855     // if that fails, set current game speed to reliable default value
4856     if (game_speed_current == NULL)
4857       game_speed_current =
4858         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4859
4860     // if that also fails, set current game speed to first available speed
4861     if (game_speed_current == NULL)
4862       game_speed_current = game_speeds;
4863
4864     if (setup.game_speed_extended)
4865       game_speeds_extended = game_speeds;
4866     else
4867       game_speeds_normal = game_speeds;
4868   }
4869
4870   setup.game_frame_delay = atoi(game_speed_current->identifier);
4871
4872   // needed for displaying game speed text instead of identifier
4873   game_speed_text = game_speed_current->name;
4874 }
4875
4876 static void execSetupGame_setScrollDelays(void)
4877 {
4878   if (scroll_delays == NULL)
4879   {
4880     int i;
4881
4882     for (i = 0; scroll_delays_list[i].value != -1; i++)
4883     {
4884       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4885       char identifier[32], name[32];
4886       int value = scroll_delays_list[i].value;
4887       char *text = scroll_delays_list[i].text;
4888
4889       ti->node_top = &scroll_delays;
4890       ti->sort_priority = value;
4891
4892       sprintf(identifier, "%d", value);
4893       sprintf(name, "%s", text);
4894
4895       setString(&ti->identifier, identifier);
4896       setString(&ti->name, name);
4897       setString(&ti->name_sorting, name);
4898       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4899
4900       pushTreeInfo(&scroll_delays, ti);
4901     }
4902
4903     // sort scroll delay values to start with lowest scroll delay value
4904     sortTreeInfo(&scroll_delays);
4905
4906     // set current scroll delay value to configured scroll delay value
4907     scroll_delay_current =
4908       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4909
4910     // if that fails, set current scroll delay to reliable default value
4911     if (scroll_delay_current == NULL)
4912       scroll_delay_current =
4913         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4914
4915     // if that also fails, set current scroll delay to first available value
4916     if (scroll_delay_current == NULL)
4917       scroll_delay_current = scroll_delays;
4918   }
4919
4920   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4921
4922   // needed for displaying scroll delay text instead of identifier
4923   scroll_delay_text = scroll_delay_current->name;
4924 }
4925
4926 static void execSetupGame_setSnapshotModes(void)
4927 {
4928   if (snapshot_modes == NULL)
4929   {
4930     int i;
4931
4932     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4933     {
4934       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4935       char identifier[32], name[32];
4936       char *value = snapshot_modes_list[i].value;
4937       char *text = snapshot_modes_list[i].text;
4938
4939       ti->node_top = &snapshot_modes;
4940       ti->sort_priority = i;
4941
4942       sprintf(identifier, "%s", value);
4943       sprintf(name, "%s", text);
4944
4945       setString(&ti->identifier, identifier);
4946       setString(&ti->name, name);
4947       setString(&ti->name_sorting, name);
4948       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4949
4950       pushTreeInfo(&snapshot_modes, ti);
4951     }
4952
4953     // sort snapshot mode values to start with lowest snapshot mode value
4954     sortTreeInfo(&snapshot_modes);
4955
4956     // set current snapshot mode value to configured snapshot mode value
4957     snapshot_mode_current =
4958       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4959
4960     // if that fails, set current snapshot mode to reliable default value
4961     if (snapshot_mode_current == NULL)
4962       snapshot_mode_current =
4963         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4964
4965     // if that also fails, set current snapshot mode to first available value
4966     if (snapshot_mode_current == NULL)
4967       snapshot_mode_current = snapshot_modes;
4968   }
4969
4970   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4971
4972   // needed for displaying snapshot mode text instead of identifier
4973   snapshot_mode_text = snapshot_mode_current->name;
4974 }
4975
4976 static void execSetupGame_setNetworkServerText(void)
4977 {
4978   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
4979   {
4980     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
4981   }
4982   else
4983   {
4984     strncpy(network_server_hostname, setup.network_server_hostname,
4985             MAX_SETUP_TEXT_INPUT_LEN);
4986     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
4987   }
4988
4989   // needed for displaying network server text instead of identifier
4990   network_server_text = network_server_hostname;
4991 }
4992
4993 static void execSetupGame(void)
4994 {
4995   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
4996
4997   execSetupGame_setGameSpeeds(FALSE);
4998   execSetupGame_setScrollDelays();
4999   execSetupGame_setSnapshotModes();
5000
5001   execSetupGame_setNetworkServerText();
5002
5003   setup_mode = SETUP_MODE_GAME;
5004
5005   DrawSetupScreen();
5006
5007   // check if vsync needs to be disabled for this game speed to work
5008   if (check_vsync_mode)
5009     DisableVsyncIfNeeded();
5010 }
5011
5012 static void execSetupChooseGameSpeed(void)
5013 {
5014   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5015
5016   DrawSetupScreen();
5017 }
5018
5019 static void execSetupChooseScrollDelay(void)
5020 {
5021   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5022
5023   DrawSetupScreen();
5024 }
5025
5026 static void execSetupChooseSnapshotMode(void)
5027 {
5028   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5029
5030   DrawSetupScreen();
5031 }
5032
5033 static void execSetupEngines(void)
5034 {
5035   setup_mode = SETUP_MODE_ENGINES;
5036
5037   DrawSetupScreen();
5038 }
5039
5040 static void execSetupEditor(void)
5041 {
5042   setup_mode = SETUP_MODE_EDITOR;
5043
5044   DrawSetupScreen();
5045 }
5046
5047 static void execSetupGraphics_setWindowSizes(boolean update_list)
5048 {
5049   if (window_sizes != NULL && update_list)
5050   {
5051     freeTreeInfo(window_sizes);
5052
5053     window_sizes = NULL;
5054   }
5055
5056   if (window_sizes == NULL)
5057   {
5058     boolean current_window_size_found = FALSE;
5059     int i;
5060
5061     for (i = 0; window_sizes_list[i].value != -1; i++)
5062     {
5063       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5064       char identifier[32], name[32];
5065       int value = window_sizes_list[i].value;
5066       char *text = window_sizes_list[i].text;
5067
5068       ti->node_top = &window_sizes;
5069       ti->sort_priority = value;
5070
5071       sprintf(identifier, "%d", value);
5072       sprintf(name, "%s", text);
5073
5074       setString(&ti->identifier, identifier);
5075       setString(&ti->name, name);
5076       setString(&ti->name_sorting, name);
5077       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5078
5079       pushTreeInfo(&window_sizes, ti);
5080
5081       if (value == setup.window_scaling_percent)
5082         current_window_size_found = TRUE;
5083     }
5084
5085     if (!current_window_size_found)
5086     {
5087       // add entry for non-preset window scaling value
5088
5089       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5090       char identifier[32], name[32];
5091       int value = setup.window_scaling_percent;
5092
5093       ti->node_top = &window_sizes;
5094       ti->sort_priority = value;
5095
5096       sprintf(identifier, "%d", value);
5097       sprintf(name, "%d %% (Current)", value);
5098
5099       setString(&ti->identifier, identifier);
5100       setString(&ti->name, name);
5101       setString(&ti->name_sorting, name);
5102       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5103
5104       pushTreeInfo(&window_sizes, ti);
5105     }
5106
5107     // sort window size values to start with lowest window size value
5108     sortTreeInfo(&window_sizes);
5109
5110     // set current window size value to configured window size value
5111     window_size_current =
5112       getTreeInfoFromIdentifier(window_sizes,
5113                                 i_to_a(setup.window_scaling_percent));
5114
5115     // if that fails, set current window size to reliable default value
5116     if (window_size_current == NULL)
5117       window_size_current =
5118         getTreeInfoFromIdentifier(window_sizes,
5119                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5120
5121     // if that also fails, set current window size to first available value
5122     if (window_size_current == NULL)
5123       window_size_current = window_sizes;
5124   }
5125
5126   setup.window_scaling_percent = atoi(window_size_current->identifier);
5127
5128   // needed for displaying window size text instead of identifier
5129   window_size_text = window_size_current->name;
5130 }
5131
5132 static void execSetupGraphics_setScalingTypes(void)
5133 {
5134   if (scaling_types == NULL)
5135   {
5136     int i;
5137
5138     for (i = 0; scaling_types_list[i].value != NULL; i++)
5139     {
5140       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5141       char identifier[32], name[32];
5142       char *value = scaling_types_list[i].value;
5143       char *text = scaling_types_list[i].text;
5144
5145       ti->node_top = &scaling_types;
5146       ti->sort_priority = i;
5147
5148       sprintf(identifier, "%s", value);
5149       sprintf(name, "%s", text);
5150
5151       setString(&ti->identifier, identifier);
5152       setString(&ti->name, name);
5153       setString(&ti->name_sorting, name);
5154       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5155
5156       pushTreeInfo(&scaling_types, ti);
5157     }
5158
5159     // sort scaling type values to start with lowest scaling type value
5160     sortTreeInfo(&scaling_types);
5161
5162     // set current scaling type value to configured scaling type value
5163     scaling_type_current =
5164       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5165
5166     // if that fails, set current scaling type to reliable default value
5167     if (scaling_type_current == NULL)
5168       scaling_type_current =
5169         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5170
5171     // if that also fails, set current scaling type to first available value
5172     if (scaling_type_current == NULL)
5173       scaling_type_current = scaling_types;
5174   }
5175
5176   setup.window_scaling_quality = scaling_type_current->identifier;
5177
5178   // needed for displaying scaling type text instead of identifier
5179   scaling_type_text = scaling_type_current->name;
5180 }
5181
5182 static void execSetupGraphics_setRenderingModes(void)
5183 {
5184   if (rendering_modes == NULL)
5185   {
5186     int i;
5187
5188     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5189     {
5190       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5191       char identifier[32], name[32];
5192       char *value = rendering_modes_list[i].value;
5193       char *text = rendering_modes_list[i].text;
5194
5195       ti->node_top = &rendering_modes;
5196       ti->sort_priority = i;
5197
5198       sprintf(identifier, "%s", value);
5199       sprintf(name, "%s", text);
5200
5201       setString(&ti->identifier, identifier);
5202       setString(&ti->name, name);
5203       setString(&ti->name_sorting, name);
5204       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5205
5206       pushTreeInfo(&rendering_modes, ti);
5207     }
5208
5209     // sort rendering mode values to start with lowest rendering mode value
5210     sortTreeInfo(&rendering_modes);
5211
5212     // set current rendering mode value to configured rendering mode value
5213     rendering_mode_current =
5214       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5215
5216     // if that fails, set current rendering mode to reliable default value
5217     if (rendering_mode_current == NULL)
5218       rendering_mode_current =
5219         getTreeInfoFromIdentifier(rendering_modes,
5220                                   STR_SPECIAL_RENDERING_DEFAULT);
5221
5222     // if that also fails, set current rendering mode to first available one
5223     if (rendering_mode_current == NULL)
5224       rendering_mode_current = rendering_modes;
5225   }
5226
5227   setup.screen_rendering_mode = rendering_mode_current->identifier;
5228
5229   // needed for displaying rendering mode text instead of identifier
5230   rendering_mode_text = rendering_mode_current->name;
5231 }
5232
5233 static void execSetupGraphics_setVsyncModes(boolean update_value)
5234 {
5235   if (vsync_modes == NULL)
5236   {
5237     int i;
5238
5239     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5240     {
5241       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5242       char identifier[32], name[32];
5243       char *value = vsync_modes_list[i].value;
5244       char *text = vsync_modes_list[i].text;
5245
5246       ti->node_top = &vsync_modes;
5247       ti->sort_priority = i;
5248
5249       sprintf(identifier, "%s", value);
5250       sprintf(name, "%s", text);
5251
5252       setString(&ti->identifier, identifier);
5253       setString(&ti->name, name);
5254       setString(&ti->name_sorting, name);
5255       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5256
5257       pushTreeInfo(&vsync_modes, ti);
5258     }
5259
5260     // sort vsync mode values to start with lowest vsync mode value
5261     sortTreeInfo(&vsync_modes);
5262
5263     update_value = TRUE;
5264   }
5265
5266   if (update_value)
5267   {
5268     // set current vsync mode value to configured vsync mode value
5269     vsync_mode_current =
5270       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5271
5272     // if that fails, set current vsync mode to reliable default value
5273     if (vsync_mode_current == NULL)
5274       vsync_mode_current =
5275         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5276
5277     // if that also fails, set current vsync mode to first available one
5278     if (vsync_mode_current == NULL)
5279       vsync_mode_current = vsync_modes;
5280   }
5281
5282   setup.vsync_mode = vsync_mode_current->identifier;
5283
5284   // needed for displaying vsync mode text instead of identifier
5285   vsync_mode_text = vsync_mode_current->name;
5286 }
5287
5288 static void execSetupGraphics(void)
5289 {
5290   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5291
5292   // update "setup.window_scaling_percent" from list selection
5293   // (in this case, window scaling was changed on setup screen)
5294   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5295     execSetupGraphics_setWindowSizes(FALSE);
5296
5297   // update list selection from "setup.window_scaling_percent"
5298   // (window scaling may have changed by resizing the window)
5299   execSetupGraphics_setWindowSizes(TRUE);
5300
5301   execSetupGraphics_setScalingTypes();
5302   execSetupGraphics_setRenderingModes();
5303   execSetupGraphics_setVsyncModes(FALSE);
5304
5305   setup_mode = SETUP_MODE_GRAPHICS;
5306
5307   DrawSetupScreen();
5308
5309   // check if game speed is high enough for 60 Hz vsync to work
5310   if (check_game_speed)
5311     ModifyGameSpeedIfNeeded();
5312
5313   // window scaling may have changed at this point
5314   ToggleFullscreenOrChangeWindowScalingIfNeeded();
5315
5316   // window scaling quality may have changed at this point
5317   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5318     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5319
5320   // screen rendering mode may have changed at this point
5321   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5322
5323   // screen vsync mode may have changed at this point
5324   SDLSetScreenVsyncMode(setup.vsync_mode);
5325 }
5326
5327 static void execSetupChooseWindowSize(void)
5328 {
5329   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5330
5331   DrawSetupScreen();
5332 }
5333
5334 static void execSetupChooseScalingType(void)
5335 {
5336   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5337
5338   DrawSetupScreen();
5339 }
5340
5341 static void execSetupChooseRenderingMode(void)
5342 {
5343   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5344
5345   DrawSetupScreen();
5346 }
5347
5348 static void execSetupChooseVsyncMode(void)
5349 {
5350   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5351
5352   DrawSetupScreen();
5353 }
5354
5355 static void execSetupChooseVolumeSimple(void)
5356 {
5357   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5358
5359   DrawSetupScreen();
5360 }
5361
5362 static void execSetupChooseVolumeLoops(void)
5363 {
5364   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5365
5366   DrawSetupScreen();
5367 }
5368
5369 static void execSetupChooseVolumeMusic(void)
5370 {
5371   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5372
5373   DrawSetupScreen();
5374 }
5375
5376 static void execSetupSound(void)
5377 {
5378   if (volumes_simple == NULL)
5379   {
5380     boolean current_volume_simple_found = FALSE;
5381     int i;
5382
5383     for (i = 0; volumes_list[i].value != -1; i++)
5384     {
5385       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5386       char identifier[32], name[32];
5387       int value = volumes_list[i].value;
5388       char *text = volumes_list[i].text;
5389
5390       ti->node_top = &volumes_simple;
5391       ti->sort_priority = value;
5392
5393       sprintf(identifier, "%d", value);
5394       sprintf(name, "%s", text);
5395
5396       setString(&ti->identifier, identifier);
5397       setString(&ti->name, name);
5398       setString(&ti->name_sorting, name);
5399       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5400
5401       pushTreeInfo(&volumes_simple, ti);
5402
5403       if (value == setup.volume_simple)
5404         current_volume_simple_found = TRUE;
5405     }
5406
5407     if (!current_volume_simple_found)
5408     {
5409       // add entry for non-preset volume value
5410
5411       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5412       char identifier[32], name[32];
5413       int value = setup.volume_simple;
5414
5415       ti->node_top = &volumes_simple;
5416       ti->sort_priority = value;
5417
5418       sprintf(identifier, "%d", value);
5419       sprintf(name, "%d %% (Current)", value);
5420
5421       setString(&ti->identifier, identifier);
5422       setString(&ti->name, name);
5423       setString(&ti->name_sorting, name);
5424       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5425
5426       pushTreeInfo(&volumes_simple, ti);
5427     }
5428
5429     // sort volume values to start with lowest volume value
5430     sortTreeInfo(&volumes_simple);
5431
5432     // set current volume value to configured volume value
5433     volume_simple_current =
5434       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5435
5436     // if that fails, set current volume to reliable default value
5437     if (volume_simple_current == NULL)
5438       volume_simple_current =
5439         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5440
5441     // if that also fails, set current volume to first available value
5442     if (volume_simple_current == NULL)
5443       volume_simple_current = volumes_simple;
5444   }
5445
5446   if (volumes_loops == NULL)
5447   {
5448     boolean current_volume_loops_found = FALSE;
5449     int i;
5450
5451     for (i = 0; volumes_list[i].value != -1; i++)
5452     {
5453       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5454       char identifier[32], name[32];
5455       int value = volumes_list[i].value;
5456       char *text = volumes_list[i].text;
5457
5458       ti->node_top = &volumes_loops;
5459       ti->sort_priority = value;
5460
5461       sprintf(identifier, "%d", value);
5462       sprintf(name, "%s", text);
5463
5464       setString(&ti->identifier, identifier);
5465       setString(&ti->name, name);
5466       setString(&ti->name_sorting, name);
5467       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5468
5469       pushTreeInfo(&volumes_loops, ti);
5470
5471       if (value == setup.volume_loops)
5472         current_volume_loops_found = TRUE;
5473     }
5474
5475     if (!current_volume_loops_found)
5476     {
5477       // add entry for non-preset volume value
5478
5479       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5480       char identifier[32], name[32];
5481       int value = setup.volume_loops;
5482
5483       ti->node_top = &volumes_loops;
5484       ti->sort_priority = value;
5485
5486       sprintf(identifier, "%d", value);
5487       sprintf(name, "%d %% (Current)", value);
5488
5489       setString(&ti->identifier, identifier);
5490       setString(&ti->name, name);
5491       setString(&ti->name_sorting, name);
5492       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5493
5494       pushTreeInfo(&volumes_loops, ti);
5495     }
5496
5497     // sort volume values to start with lowest volume value
5498     sortTreeInfo(&volumes_loops);
5499
5500     // set current volume value to configured volume value
5501     volume_loops_current =
5502       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5503
5504     // if that fails, set current volume to reliable default value
5505     if (volume_loops_current == NULL)
5506       volume_loops_current =
5507         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5508
5509     // if that also fails, set current volume to first available value
5510     if (volume_loops_current == NULL)
5511       volume_loops_current = volumes_loops;
5512   }
5513
5514   if (volumes_music == NULL)
5515   {
5516     boolean current_volume_music_found = FALSE;
5517     int i;
5518
5519     for (i = 0; volumes_list[i].value != -1; i++)
5520     {
5521       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5522       char identifier[32], name[32];
5523       int value = volumes_list[i].value;
5524       char *text = volumes_list[i].text;
5525
5526       ti->node_top = &volumes_music;
5527       ti->sort_priority = value;
5528
5529       sprintf(identifier, "%d", value);
5530       sprintf(name, "%s", text);
5531
5532       setString(&ti->identifier, identifier);
5533       setString(&ti->name, name);
5534       setString(&ti->name_sorting, name);
5535       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5536
5537       pushTreeInfo(&volumes_music, ti);
5538
5539       if (value == setup.volume_music)
5540         current_volume_music_found = TRUE;
5541     }
5542
5543     if (!current_volume_music_found)
5544     {
5545       // add entry for non-preset volume value
5546
5547       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5548       char identifier[32], name[32];
5549       int value = setup.volume_music;
5550
5551       ti->node_top = &volumes_music;
5552       ti->sort_priority = value;
5553
5554       sprintf(identifier, "%d", value);
5555       sprintf(name, "%d %% (Current)", value);
5556
5557       setString(&ti->identifier, identifier);
5558       setString(&ti->name, name);
5559       setString(&ti->name_sorting, name);
5560       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5561
5562       pushTreeInfo(&volumes_music, ti);
5563     }
5564
5565     // sort volume values to start with lowest volume value
5566     sortTreeInfo(&volumes_music);
5567
5568     // set current volume value to configured volume value
5569     volume_music_current =
5570       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5571
5572     // if that fails, set current volume to reliable default value
5573     if (volume_music_current == NULL)
5574       volume_music_current =
5575         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5576
5577     // if that also fails, set current volume to first available value
5578     if (volume_music_current == NULL)
5579       volume_music_current = volumes_music;
5580   }
5581
5582   setup.volume_simple = atoi(volume_simple_current->identifier);
5583   setup.volume_loops  = atoi(volume_loops_current->identifier);
5584   setup.volume_music  = atoi(volume_music_current->identifier);
5585
5586   // needed for displaying volume text instead of identifier
5587   volume_simple_text = volume_simple_current->name;
5588   volume_loops_text = volume_loops_current->name;
5589   volume_music_text = volume_music_current->name;
5590
5591   setup_mode = SETUP_MODE_SOUND;
5592
5593   DrawSetupScreen();
5594 }
5595
5596 static void execSetupChooseTouchControls(void)
5597 {
5598   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5599
5600   DrawSetupScreen();
5601 }
5602
5603 static void execSetupChooseMoveDistance(void)
5604 {
5605   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5606
5607   DrawSetupScreen();
5608 }
5609
5610 static void execSetupChooseDropDistance(void)
5611 {
5612   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5613
5614   DrawSetupScreen();
5615 }
5616
5617 static void execSetupChooseTransparency(void)
5618 {
5619   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5620
5621   DrawSetupScreen();
5622 }
5623
5624 static void execSetupChooseGridXSize_0(void)
5625 {
5626   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5627
5628   DrawSetupScreen();
5629 }
5630
5631 static void execSetupChooseGridYSize_0(void)
5632 {
5633   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5634
5635   DrawSetupScreen();
5636 }
5637
5638 static void execSetupChooseGridXSize_1(void)
5639 {
5640   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5641
5642   DrawSetupScreen();
5643 }
5644
5645 static void execSetupChooseGridYSize_1(void)
5646 {
5647   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5648
5649   DrawSetupScreen();
5650 }
5651
5652 static void execSetupConfigureVirtualButtons(void)
5653 {
5654   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5655
5656   ConfigureVirtualButtons();
5657
5658   setup_mode = SETUP_MODE_TOUCH;
5659
5660   DrawSetupScreen();
5661 }
5662
5663 static void execSetupTouch(void)
5664 {
5665   int i, j, k;
5666
5667   if (touch_controls == NULL)
5668   {
5669     for (i = 0; touch_controls_list[i].value != NULL; i++)
5670     {
5671       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5672       char identifier[32], name[32];
5673       char *value = touch_controls_list[i].value;
5674       char *text = touch_controls_list[i].text;
5675
5676       ti->node_top = &touch_controls;
5677       ti->sort_priority = i;
5678
5679       sprintf(identifier, "%s", value);
5680       sprintf(name, "%s", text);
5681
5682       setString(&ti->identifier, identifier);
5683       setString(&ti->name, name);
5684       setString(&ti->name_sorting, name);
5685       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5686
5687       pushTreeInfo(&touch_controls, ti);
5688     }
5689
5690     // sort touch control values to start with lowest touch control value
5691     sortTreeInfo(&touch_controls);
5692
5693     // set current touch control value to configured touch control value
5694     touch_control_current =
5695       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5696
5697     // if that fails, set current touch control to reliable default value
5698     if (touch_control_current == NULL)
5699       touch_control_current =
5700         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5701
5702     // if that also fails, set current touch control to first available value
5703     if (touch_control_current == NULL)
5704       touch_control_current = touch_controls;
5705   }
5706
5707   if (move_distances == NULL)
5708   {
5709     for (i = 0; distances_list[i].value != -1; i++)
5710     {
5711       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5712       char identifier[32], name[32];
5713       int value = distances_list[i].value;
5714       char *text = distances_list[i].text;
5715
5716       ti->node_top = &move_distances;
5717       ti->sort_priority = value;
5718
5719       sprintf(identifier, "%d", value);
5720       sprintf(name, "%s", text);
5721
5722       setString(&ti->identifier, identifier);
5723       setString(&ti->name, name);
5724       setString(&ti->name_sorting, name);
5725       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5726
5727       pushTreeInfo(&move_distances, ti);
5728     }
5729
5730     // sort distance values to start with lowest distance value
5731     sortTreeInfo(&move_distances);
5732
5733     // set current distance value to configured distance value
5734     move_distance_current =
5735       getTreeInfoFromIdentifier(move_distances,
5736                                 i_to_a(setup.touch.move_distance));
5737
5738     // if that fails, set current distance to reliable default value
5739     if (move_distance_current == NULL)
5740       move_distance_current =
5741         getTreeInfoFromIdentifier(move_distances,
5742                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5743
5744     // if that also fails, set current distance to first available value
5745     if (move_distance_current == NULL)
5746       move_distance_current = move_distances;
5747   }
5748
5749   if (drop_distances == NULL)
5750   {
5751     for (i = 0; distances_list[i].value != -1; i++)
5752     {
5753       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5754       char identifier[32], name[32];
5755       int value = distances_list[i].value;
5756       char *text = distances_list[i].text;
5757
5758       ti->node_top = &drop_distances;
5759       ti->sort_priority = value;
5760
5761       sprintf(identifier, "%d", value);
5762       sprintf(name, "%s", text);
5763
5764       setString(&ti->identifier, identifier);
5765       setString(&ti->name, name);
5766       setString(&ti->name_sorting, name);
5767       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5768
5769       pushTreeInfo(&drop_distances, ti);
5770     }
5771
5772     // sort distance values to start with lowest distance value
5773     sortTreeInfo(&drop_distances);
5774
5775     // set current distance value to configured distance value
5776     drop_distance_current =
5777       getTreeInfoFromIdentifier(drop_distances,
5778                                 i_to_a(setup.touch.drop_distance));
5779
5780     // if that fails, set current distance to reliable default value
5781     if (drop_distance_current == NULL)
5782       drop_distance_current =
5783         getTreeInfoFromIdentifier(drop_distances,
5784                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5785
5786     // if that also fails, set current distance to first available value
5787     if (drop_distance_current == NULL)
5788       drop_distance_current = drop_distances;
5789   }
5790
5791   if (transparencies == NULL)
5792   {
5793     for (i = 0; transparencies_list[i].value != -1; i++)
5794     {
5795       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5796       char identifier[32], name[32];
5797       int value = transparencies_list[i].value;
5798       char *text = transparencies_list[i].text;
5799
5800       ti->node_top = &transparencies;
5801       ti->sort_priority = value;
5802
5803       sprintf(identifier, "%d", value);
5804       sprintf(name, "%s", text);
5805
5806       setString(&ti->identifier, identifier);
5807       setString(&ti->name, name);
5808       setString(&ti->name_sorting, name);
5809       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5810
5811       pushTreeInfo(&transparencies, ti);
5812     }
5813
5814     // sort transparency values to start with lowest transparency value
5815     sortTreeInfo(&transparencies);
5816
5817     // set current transparency value to configured transparency value
5818     transparency_current =
5819       getTreeInfoFromIdentifier(transparencies,
5820                                 i_to_a(setup.touch.transparency));
5821
5822     // if that fails, set current transparency to reliable default value
5823     if (transparency_current == NULL)
5824       transparency_current =
5825         getTreeInfoFromIdentifier(transparencies,
5826                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5827
5828     // if that also fails, set current transparency to first available value
5829     if (transparency_current == NULL)
5830       transparency_current = transparencies;
5831   }
5832
5833   for (i = 0; i < 2; i++)
5834   {
5835     for (j = 0; j < 2; j++)
5836     {
5837       if (grid_sizes[i][j] == NULL)
5838       {
5839         for (k = 0; grid_sizes_list[k].value != -1; k++)
5840         {
5841           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5842           char identifier[32], name[32];
5843           int value = grid_sizes_list[k].value;
5844           char *text = grid_sizes_list[k].text;
5845
5846           ti->node_top = &grid_sizes[i][j];
5847           ti->sort_priority = value;
5848
5849           sprintf(identifier, "%d", value);
5850           sprintf(name, "%s", text);
5851
5852           setString(&ti->identifier, identifier);
5853           setString(&ti->name, name);
5854           setString(&ti->name_sorting, name);
5855           setString(&ti->infotext,
5856                     (i == 0 ?
5857                      (j == 0 ?
5858                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5859                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5860                      (j == 0 ?
5861                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5862                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5863
5864           pushTreeInfo(&grid_sizes[i][j], ti);
5865         }
5866
5867         // sort grid size values to start with lowest grid size value
5868         sortTreeInfo(&grid_sizes[i][j]);
5869
5870         // set current grid size value to configured grid size value
5871         grid_size_current[i][j] =
5872           getTreeInfoFromIdentifier(grid_sizes[i][j],
5873                                     i_to_a(j == 0 ?
5874                                            setup.touch.grid_xsize[i] :
5875                                            setup.touch.grid_ysize[i]));
5876
5877         // if that fails, set current grid size to reliable default value
5878         if (grid_size_current[i][j] == NULL)
5879           grid_size_current[i][j] =
5880             getTreeInfoFromIdentifier(grid_sizes[i][j],
5881                                       i_to_a(j == 0 ?
5882                                              DEFAULT_GRID_XSIZE(i) :
5883                                              DEFAULT_GRID_YSIZE(i)));
5884
5885         // if that also fails, set current grid size to first available value
5886         if (grid_size_current[i][j] == NULL)
5887           grid_size_current[i][j] = grid_sizes[i][j];
5888       }
5889     }
5890   }
5891
5892   setup.touch.control_type = touch_control_current->identifier;
5893   setup.touch.move_distance = atoi(move_distance_current->identifier);
5894   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5895   setup.touch.transparency = atoi(transparency_current->identifier);
5896
5897   for (i = 0; i < 2; i++)
5898   {
5899     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
5900     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
5901
5902     if (i == GRID_ACTIVE_NR())
5903     {
5904       overlay.grid_xsize = setup.touch.grid_xsize[i];
5905       overlay.grid_ysize = setup.touch.grid_ysize[i];
5906     }
5907   }
5908
5909   // needed for displaying value text instead of identifier
5910   touch_controls_text = touch_control_current->name;
5911   move_distance_text = move_distance_current->name;
5912   drop_distance_text = drop_distance_current->name;
5913   transparency_text = transparency_current->name;
5914
5915   for (i = 0; i < 2; i++)
5916     for (j = 0; j < 2; j++)
5917       grid_size_text[i][j] = grid_size_current[i][j]->name;
5918
5919   setup_mode = SETUP_MODE_TOUCH;
5920
5921   DrawSetupScreen();
5922 }
5923
5924 static void execSetupArtwork(void)
5925 {
5926 #if 0
5927   printf("::: '%s', '%s', '%s'\n",
5928          artwork.gfx_current->subdir,
5929          artwork.gfx_current->fullpath,
5930          artwork.gfx_current->basepath);
5931 #endif
5932
5933   setup.graphics_set = artwork.gfx_current->identifier;
5934   setup.sounds_set = artwork.snd_current->identifier;
5935   setup.music_set = artwork.mus_current->identifier;
5936
5937   // needed if last screen (setup choice) changed graphics, sounds or music
5938   ReloadCustomArtwork(0);
5939
5940   // needed for displaying artwork name instead of artwork identifier
5941   graphics_set_name = artwork.gfx_current->name;
5942   sounds_set_name = artwork.snd_current->name;
5943   music_set_name = artwork.mus_current->name;
5944
5945   setup_mode = SETUP_MODE_ARTWORK;
5946
5947   DrawSetupScreen();
5948 }
5949
5950 static void execSetupChooseGraphics(void)
5951 {
5952   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5953
5954   DrawSetupScreen();
5955 }
5956
5957 static void execSetupChooseSounds(void)
5958 {
5959   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5960
5961   DrawSetupScreen();
5962 }
5963
5964 static void execSetupChooseMusic(void)
5965 {
5966   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5967
5968   DrawSetupScreen();
5969 }
5970
5971 static void execSetupInput(void)
5972 {
5973   setup_mode = SETUP_MODE_INPUT;
5974
5975   DrawSetupScreen();
5976 }
5977
5978 static void execSetupShortcuts(void)
5979 {
5980   setup_mode = SETUP_MODE_SHORTCUTS;
5981
5982   DrawSetupScreen();
5983 }
5984
5985 static void execSetupShortcuts1(void)
5986 {
5987   setup_mode = SETUP_MODE_SHORTCUTS_1;
5988
5989   DrawSetupScreen();
5990 }
5991
5992 static void execSetupShortcuts2(void)
5993 {
5994   setup_mode = SETUP_MODE_SHORTCUTS_2;
5995
5996   DrawSetupScreen();
5997 }
5998
5999 static void execSetupShortcuts3(void)
6000 {
6001   setup_mode = SETUP_MODE_SHORTCUTS_3;
6002
6003   DrawSetupScreen();
6004 }
6005
6006 static void execSetupShortcuts4(void)
6007 {
6008   setup_mode = SETUP_MODE_SHORTCUTS_4;
6009
6010   DrawSetupScreen();
6011 }
6012
6013 static void execSetupShortcuts5(void)
6014 {
6015   setup_mode = SETUP_MODE_SHORTCUTS_5;
6016
6017   DrawSetupScreen();
6018 }
6019
6020 static void execExitSetup(void)
6021 {
6022   SetGameStatus(GAME_MODE_MAIN);
6023
6024   DrawMainMenu();
6025 }
6026
6027 static void execSaveAndExitSetup(void)
6028 {
6029   SaveSetup();
6030   execExitSetup();
6031 }
6032
6033 static void execGadgetNetworkServer(void)
6034 {
6035   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6036   struct GadgetInfo *gi = screen_gadget[gadget_id];
6037
6038   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6039     network_server_hostname[0] = '\0';
6040
6041   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6042
6043   MapGadget(gi);
6044
6045   ClickOnGadget(gi, MB_LEFTBUTTON);
6046 }
6047
6048 static void ToggleNetworkModeIfNeeded(void)
6049 {
6050   int font_title = FONT_TITLE_1;
6051   int font_foot = FC_BLUE;
6052   int ystart  = mSY - SY + 16;
6053   int ybottom = mSY - SY + SYSIZE - 20;
6054   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6055
6056   if (setup.network_mode == network.enabled)
6057     return;
6058
6059   network.enabled = setup.network_mode;
6060
6061   FadeOut(REDRAW_ALL);
6062
6063   ClearField();
6064
6065   DrawTextSCentered(ystart, font_title, text);
6066
6067   FadeIn(REDRAW_ALL);
6068
6069   if (network.enabled)
6070     InitNetworkServer();
6071   else
6072     DisconnectFromNetworkServer();
6073
6074   DrawTextSCentered(ybottom, font_foot,
6075                     "Press any key or button for setup menu");
6076
6077   WaitForEventToContinue();
6078
6079   DrawSetupScreen();
6080 }
6081
6082 static void ToggleGameSpeedsListIfNeeded(void)
6083 {
6084   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6085
6086   if (setup.game_speed_extended == using_game_speeds_extended)
6087     return;
6088
6089   // try to match similar values when changing game speeds list
6090   if (setup.game_speed_extended)
6091     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6092                               setup.game_frame_delay == 30 ? 29 :
6093                               setup.game_frame_delay);
6094   else
6095     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6096                               setup.game_frame_delay == 16 ? 15 :
6097                               setup.game_frame_delay >= 29 ? 30 :
6098                               setup.game_frame_delay <= 10 ? 10 :
6099                               setup.game_frame_delay);
6100
6101   execSetupGame_setGameSpeeds(TRUE);
6102
6103   DrawSetupScreen();
6104 }
6105
6106 static void ModifyGameSpeedIfNeeded(void)
6107 {
6108   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6109       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6110     return;
6111
6112   char message[100];
6113   char *game_speed_text = "Fast";
6114   int game_speed_value = 15;
6115
6116   if (setup.game_speed_extended)
6117   {
6118     game_speed_text = "60 fps";
6119     game_speed_value = 16;
6120   }
6121
6122   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6123
6124   // set game speed to existing list value that is fast enough for vsync
6125   setup.game_frame_delay = game_speed_value;
6126
6127   execSetupGame_setGameSpeeds(TRUE);
6128
6129   Request(message, REQ_CONFIRM);
6130 }
6131
6132 static void DisableVsyncIfNeeded(void)
6133 {
6134   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6135       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6136        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6137     return;
6138
6139   // disable vsync for the selected game speed to work
6140   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6141
6142   execSetupGraphics_setVsyncModes(TRUE);
6143
6144   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6145 }
6146
6147 static struct
6148 {
6149   void *value;
6150   void *related_value;
6151 } hide_related_entry_list[] =
6152 {
6153   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6154   { &setup.game_frame_delay,            &game_speed_text                },
6155
6156   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6157   { &setup.scroll_delay_value,          &scroll_delay_text              },
6158
6159   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6160   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6161
6162   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6163   { &setup.window_scaling_percent,      &window_size_text               },
6164
6165   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6166   { &setup.window_scaling_quality,      &scaling_type_text              },
6167
6168   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6169   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6170
6171   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6172   { &setup.vsync_mode,                  &vsync_mode_text                },
6173
6174   { &setup.graphics_set,                execSetupChooseGraphics         },
6175   { &setup.graphics_set,                &graphics_set_name              },
6176
6177   { &setup.sounds_set,                  execSetupChooseSounds           },
6178   { &setup.sounds_set,                  &sounds_set_name                },
6179
6180   { &setup.music_set,                   execSetupChooseMusic            },
6181   { &setup.music_set,                   &music_set_name                 },
6182
6183   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6184   { &setup.volume_simple,               &volume_simple_text             },
6185
6186   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6187   { &setup.volume_loops,                &volume_loops_text              },
6188
6189   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6190   { &setup.volume_music,                &volume_music_text              },
6191
6192   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6193   { &setup.touch.control_type,          &touch_controls_text            },
6194
6195   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6196   { &setup.touch.move_distance,         &move_distance_text             },
6197
6198   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6199   { &setup.touch.drop_distance,         &drop_distance_text             },
6200
6201   { &setup.touch.transparency,          execSetupChooseTransparency     },
6202   { &setup.touch.transparency,          &transparency_text              },
6203
6204   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6205   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6206
6207   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6208   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6209
6210   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6211   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6212
6213   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6214   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6215
6216   { &setup.internal.menu_game,          execSetupGame                   },
6217   { &setup.internal.menu_engines,       execSetupEngines                },
6218   { &setup.internal.menu_editor,        execSetupEditor                 },
6219   { &setup.internal.menu_graphics,      execSetupGraphics               },
6220   { &setup.internal.menu_sound,         execSetupSound                  },
6221   { &setup.internal.menu_artwork,       execSetupArtwork                },
6222   { &setup.internal.menu_input,         execSetupInput                  },
6223   { &setup.internal.menu_touch,         execSetupTouch                  },
6224   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6225   { &setup.internal.menu_exit,          execExitSetup                   },
6226   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6227
6228   { NULL,                               NULL                            }
6229 };
6230
6231 void setHideRelatedSetupEntries(void)
6232 {
6233   int i;
6234
6235   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6236     if (hideSetupEntry(hide_related_entry_list[i].value))
6237       setHideSetupEntry(hide_related_entry_list[i].related_value);
6238 }
6239
6240 static struct TokenInfo setup_info_main[] =
6241 {
6242   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6243   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6244   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6245   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6246   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6247   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6248   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6249   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6250   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6251   { TYPE_EMPTY,         NULL,                   ""                      },
6252   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6253   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6254
6255   { 0,                  NULL,                   NULL                    }
6256 };
6257
6258 static struct TokenInfo setup_info_game[] =
6259 {
6260   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6261   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6262   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6263   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6264   { TYPE_STRING,        &network_server_text,   ""                      },
6265   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6266   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6267   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6268   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6269   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6270   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6271   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6272   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6273   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6274   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6275   { TYPE_STRING,        &game_speed_text,       ""                      },
6276   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6277 #if 1
6278   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6279   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6280 #endif
6281   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6282   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6283   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6284   { TYPE_EMPTY,         NULL,                   ""                      },
6285   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6286
6287   { 0,                  NULL,                   NULL                    }
6288 };
6289
6290 static struct TokenInfo setup_info_engines[] =
6291 {
6292   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6293   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6294   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6295   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6296   { TYPE_EMPTY,         NULL,                   ""                      },
6297   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6298   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6299   { TYPE_EMPTY,         NULL,                   ""                      },
6300   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6301
6302   { 0,                  NULL,                   NULL                    }
6303 };
6304
6305 static struct TokenInfo setup_info_editor[] =
6306 {
6307 #if 0
6308   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6309   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6310   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6311   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6312   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6313   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6314   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6315   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6316   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6317   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6318 #endif
6319   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6320   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6321 #if 0
6322   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6323 #endif
6324   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6325   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6326   { TYPE_EMPTY,         NULL,                   ""                      },
6327 #if 0
6328   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6329   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6330   { TYPE_EMPTY,         NULL,                   ""                      },
6331 #endif
6332   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6333   { TYPE_EMPTY,         NULL,                   ""                      },
6334   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6335
6336   { 0,                  NULL,                   NULL                    }
6337 };
6338
6339 static struct TokenInfo setup_info_graphics[] =
6340 {
6341 #if !defined(PLATFORM_ANDROID)
6342   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6343   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6344   { TYPE_STRING,        &window_size_text,      ""                      },
6345   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6346   { TYPE_STRING,        &scaling_type_text,     ""                      },
6347   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6348   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6349 #endif
6350 #if 0
6351   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6352   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6353 #endif
6354   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6355   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6356   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6357   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6358   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6359   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6360   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6361   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6362   { TYPE_EMPTY,         NULL,                   ""                      },
6363   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6364
6365   { 0,                  NULL,                   NULL                    }
6366 };
6367
6368 static struct TokenInfo setup_info_sound[] =
6369 {
6370   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6371   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6372   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6373   { TYPE_EMPTY,         NULL,                   ""                      },
6374   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6375   { TYPE_STRING,        &volume_simple_text,    ""                      },
6376   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6377   { TYPE_STRING,        &volume_loops_text,     ""                      },
6378   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6379   { TYPE_STRING,        &volume_music_text,     ""                      },
6380   { TYPE_EMPTY,         NULL,                   ""                      },
6381   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6382
6383   { 0,                  NULL,                   NULL                    }
6384 };
6385
6386 static struct TokenInfo setup_info_artwork[] =
6387 {
6388   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6389   { TYPE_STRING,        &graphics_set_name,     ""                      },
6390   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6391   { TYPE_STRING,        &sounds_set_name,       ""                      },
6392   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6393   { TYPE_STRING,        &music_set_name,        ""                      },
6394   { TYPE_EMPTY,         NULL,                   ""                      },
6395   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6396   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6397   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6398   { TYPE_EMPTY,         NULL,                   ""                      },
6399   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6400
6401   { 0,                  NULL,                   NULL                    }
6402 };
6403
6404 static struct TokenInfo setup_info_input[] =
6405 {
6406   { TYPE_SWITCH,        NULL,                   "Player:"               },
6407   { TYPE_SWITCH,        NULL,                   "Device:"               },
6408   { TYPE_SWITCH,        NULL,                   ""                      },
6409   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6410   { TYPE_EMPTY,         NULL,                   ""                      },
6411   { TYPE_EMPTY,         NULL,                   ""                      },
6412   { TYPE_EMPTY,         NULL,                   ""                      },
6413   { TYPE_EMPTY,         NULL,                   ""                      },
6414   { TYPE_EMPTY,         NULL,                   ""                      },
6415   { TYPE_EMPTY,         NULL,                   ""                      },
6416   { TYPE_EMPTY,         NULL,                   ""                      },
6417   { TYPE_EMPTY,         NULL,                   ""                      },
6418   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6419   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6420
6421   { 0,                  NULL,                   NULL                    }
6422 };
6423
6424 static struct TokenInfo setup_info_touch[] =
6425 {
6426   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6427   { TYPE_STRING,        &touch_controls_text,   ""                      },
6428   { TYPE_EMPTY,         NULL,                   ""                      },
6429   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6430
6431   { 0,                  NULL,                   NULL                    }
6432 };
6433
6434 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6435 {
6436   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6437   { TYPE_STRING,        &touch_controls_text,   ""                      },
6438   { TYPE_EMPTY,         NULL,                   ""                      },
6439   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6440   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6441   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6442   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6443   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6444   { TYPE_STRING,        &transparency_text,     ""                      },
6445   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6446   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6447   { TYPE_EMPTY,         NULL,                   ""                      },
6448   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6449   { TYPE_EMPTY,         NULL,                   ""                      },
6450   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6451
6452   { 0,                  NULL,                   NULL                    }
6453 };
6454
6455 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6456 {
6457   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6458   { TYPE_STRING,        &touch_controls_text,   ""                      },
6459   { TYPE_EMPTY,         NULL,                   ""                      },
6460   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6461   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6462   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6463   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6464   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6465   { TYPE_STRING,        &transparency_text,     ""                      },
6466   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6467   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6468   { TYPE_EMPTY,         NULL,                   ""                      },
6469   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6470   { TYPE_EMPTY,         NULL,                   ""                      },
6471   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6472
6473   { 0,                  NULL,                   NULL                    }
6474 };
6475
6476 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6477 {
6478   setup_info_touch_virtual_buttons_0,
6479   setup_info_touch_virtual_buttons_1
6480 };
6481
6482 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6483 {
6484   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6485   { TYPE_STRING,        &touch_controls_text,   ""                      },
6486   { TYPE_EMPTY,         NULL,                   ""                      },
6487   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6488   { TYPE_STRING,        &move_distance_text,    ""                      },
6489   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6490   { TYPE_STRING,        &drop_distance_text,    ""                      },
6491   { TYPE_EMPTY,         NULL,                   ""                      },
6492   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6493
6494   { 0,                  NULL,                   NULL                    }
6495 };
6496
6497 static struct TokenInfo setup_info_shortcuts[] =
6498 {
6499   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6500   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6501   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6502   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6503   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6504   { TYPE_EMPTY,         NULL,                   ""                      },
6505   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6506
6507   { 0,                  NULL,                   NULL                    }
6508 };
6509
6510 static struct TokenInfo setup_info_shortcuts_1[] =
6511 {
6512   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6513   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6514   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6515   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6516   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6517   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6518   { TYPE_EMPTY,         NULL,                   ""                      },
6519   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6520   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6521   { TYPE_EMPTY,         NULL,                   ""                      },
6522   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6523
6524   { 0,                  NULL,                   NULL                    }
6525 };
6526
6527 static struct TokenInfo setup_info_shortcuts_2[] =
6528 {
6529   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6530   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6531   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6532   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6533   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6534   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6535   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6536   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6537   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6538   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6539   { TYPE_EMPTY,         NULL,                   ""                      },
6540   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6541
6542   { 0,                  NULL,                   NULL                    }
6543 };
6544
6545 static struct TokenInfo setup_info_shortcuts_3[] =
6546 {
6547   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6548   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6549   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6550   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6551   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6552   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6553   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6554   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6555   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6556   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6557   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6558   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6559   { TYPE_EMPTY,         NULL,                   ""                      },
6560   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6561
6562   { 0,                  NULL,                   NULL                    }
6563 };
6564
6565 static struct TokenInfo setup_info_shortcuts_4[] =
6566 {
6567   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6568   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6569   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6570   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6571   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6572   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6573   { TYPE_EMPTY,         NULL,                   ""                      },
6574   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6575
6576   { 0,                  NULL,                   NULL                    }
6577 };
6578
6579 static struct TokenInfo setup_info_shortcuts_5[] =
6580 {
6581   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6582   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6583   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6584   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6585   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6586   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6587   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6588   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6589   { TYPE_EMPTY,         NULL,                   ""                      },
6590   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6591
6592   { 0,                  NULL,                   NULL                    }
6593 };
6594
6595 static Key getSetupKey(void)
6596 {
6597   Key key = KSYM_UNDEFINED;
6598   boolean got_key_event = FALSE;
6599
6600   while (!got_key_event)
6601   {
6602     Event event;
6603
6604     if (NextValidEvent(&event))
6605     {
6606       switch (event.type)
6607       {
6608         case EVENT_KEYPRESS:
6609           {
6610             key = GetEventKey((KeyEvent *)&event, TRUE);
6611
6612             // press 'Escape' or 'Enter' to keep the existing key binding
6613             if (key == KSYM_Escape || key == KSYM_Return)
6614               key = KSYM_UNDEFINED;     // keep old value
6615
6616             got_key_event = TRUE;
6617           }
6618           break;
6619
6620         case EVENT_KEYRELEASE:
6621           key_joystick_mapping = 0;
6622           break;
6623
6624         default:
6625           HandleOtherEvents(&event);
6626           break;
6627       }
6628     }
6629
6630     BackToFront();
6631   }
6632
6633   return key;
6634 }
6635
6636 static int getSetupValueFont(int type, void *value)
6637 {
6638   if (type & TYPE_GHOSTED)
6639     return FONT_OPTION_OFF;
6640   else if (type & TYPE_KEY)
6641     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6642   else if (type & TYPE_STRING)
6643     return FONT_VALUE_2;
6644   else if (type & TYPE_ECS_AGA)
6645     return FONT_VALUE_1;
6646   else if (type & TYPE_BOOLEAN_STYLE)
6647     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6648   else if (type & TYPE_YES_NO_AUTO)
6649     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6650             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6651   else if (type & TYPE_PLAYER)
6652     return FONT_VALUE_1;
6653   else
6654     return FONT_VALUE_1;
6655 }
6656
6657 static int getSetupValueFontNarrow(int type, int font_nr)
6658 {
6659   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6660           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6661           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6662           font_nr);
6663 }
6664
6665 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6666 {
6667   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6668   struct TokenInfo *si = &setup_info[si_pos];
6669   boolean font_draw_xoffset_modified = FALSE;
6670   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6671   int font_draw_xoffset_old = -1;
6672   int xoffset = (scrollbar_needed ? -1 : 0);
6673   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6674   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6675   int xpos = menu_screen_value_xpos;
6676   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6677   int startx = mSX + xpos * 32;
6678   int starty = mSY + ypos * 32;
6679   int type = si->type;
6680   void *value = si->value;
6681   char *value_string = getSetupValue(type, value);
6682   int font_nr_default = getSetupValueFont(type, value);
6683   int font_width_default = getFontWidth(font_nr_default);
6684   int font_nr = font_nr_default;
6685   int i;
6686
6687   if (value_string == NULL)
6688     return;
6689
6690   if (type & TYPE_KEY)
6691   {
6692     xpos = MENU_SCREEN_START_XPOS;
6693
6694     if (type & TYPE_QUERY)
6695       value_string = "<press key>";
6696   }
6697   else if (type & TYPE_STRING)
6698   {
6699     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6700
6701     xpos = MENU_SCREEN_START_XPOS;
6702
6703     if (strlen(value_string) > max_value_len)
6704       value_string[max_value_len] = '\0';
6705   }
6706   else if (type & TYPE_YES_NO_AUTO)
6707   {
6708     xpos = menu_screen_value_xpos - 1;
6709   }
6710   else if (type & TYPE_PLAYER)
6711   {
6712     int displayed_player_nr = *(int *)value + 1;
6713
6714     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6715   }
6716
6717   startx = mSX + xpos * 32;
6718   starty = mSY + ypos * 32;
6719
6720   // special check if right-side setup values moved left due to scrollbar
6721   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6722   {
6723     int max_menu_text_length = 26;      // maximum text length for classic menu
6724     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6725     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6726     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6727     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6728     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6729
6730     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6731     {
6732       xpos += 1;
6733       startx = mSX + xpos * 32;
6734
6735       font_nr = getSetupValueFontNarrow(type, font_nr);
6736     }
6737   }
6738
6739   // downward compatibility correction for Juergen Bonhagen's menu settings
6740   if (setup_mode != SETUP_MODE_INPUT)
6741   {
6742     int max_menu_text_length_big = (menu_screen_value_xpos -
6743                                     MENU_SCREEN_START_XPOS);
6744     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6745     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6746     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6747     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6748     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6749     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6750     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6751     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6752     boolean correct_font_draw_xoffset = FALSE;
6753
6754     if (xpos == MENU_SCREEN_START_XPOS &&
6755         startx + font1_xoffset < text_startx + text_font_xoffset)
6756       correct_font_draw_xoffset = TRUE;
6757
6758     if (xpos == menu_screen_value_xpos &&
6759         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6760       correct_font_draw_xoffset = TRUE;
6761
6762     // check if setup value would overlap with setup text when printed
6763     // (this can happen for extreme/wrong values for font draw offset)
6764     if (correct_font_draw_xoffset)
6765     {
6766       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6767       font_draw_xoffset_modified = TRUE;
6768
6769       if (type & TYPE_KEY)
6770         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6771       else if (!(type & TYPE_STRING))
6772         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6773           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6774     }
6775   }
6776
6777   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6778     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6779
6780   DrawText(startx, starty, value_string, font_nr);
6781
6782   if (type & TYPE_PLAYER)
6783   {
6784     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6785     int player_nr = *(int *)value;
6786     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6787     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6788     int startx2 = startx + xoff;
6789     int starty2 = starty + yoff;
6790
6791     if (DrawingOnBackground(startx2, starty2))
6792       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6793
6794     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6795                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6796   }
6797
6798   if (font_draw_xoffset_modified)
6799     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6800 }
6801
6802 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6803 {
6804   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6805   struct TokenInfo *si = &setup_info[si_pos];
6806
6807   if (si->type & TYPE_BOOLEAN_STYLE)
6808   {
6809     *(boolean *)si->value ^= TRUE;
6810   }
6811   else if (si->type & TYPE_YES_NO_AUTO)
6812   {
6813     *(int *)si->value =
6814       (dx == -1 ?
6815        (*(int *)si->value == AUTO ? TRUE :
6816         *(int *)si->value == TRUE ? FALSE : AUTO) :
6817        (*(int *)si->value == TRUE ? AUTO :
6818         *(int *)si->value == AUTO ? FALSE : TRUE));
6819   }
6820   else if (si->type & TYPE_KEY)
6821   {
6822     Key key;
6823
6824     si->type |= TYPE_QUERY;
6825     drawSetupValue(screen_pos, setup_info_pos_raw);
6826     si->type &= ~TYPE_QUERY;
6827
6828     key = getSetupKey();
6829     if (key != KSYM_UNDEFINED)
6830       *(Key *)si->value = key;
6831   }
6832   else if (si->type & TYPE_PLAYER)
6833   {
6834     int player_nr = *(int *)si->value;
6835
6836     if (dx)
6837       player_nr += dx;
6838     else
6839       player_nr = Request("Choose player", REQ_PLAYER) - 1;
6840
6841     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
6842   }
6843
6844   drawSetupValue(screen_pos, setup_info_pos_raw);
6845
6846   // fullscreen state may have changed at this point
6847   if (si->value == &setup.fullscreen)
6848     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6849
6850   // network mode may have changed at this point
6851   if (si->value == &setup.network_mode)
6852     ToggleNetworkModeIfNeeded();
6853
6854   // game speed list may have changed at this point
6855   if (si->value == &setup.game_speed_extended)
6856     ToggleGameSpeedsListIfNeeded();
6857 }
6858
6859 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6860 {
6861   static struct TokenInfo *setup_info_final = NULL;
6862   int list_size = 0;
6863   int list_pos = 0;
6864   int i;
6865
6866   // determine maximum list size of target list
6867   while (setup_info_orig[list_size++].type != 0);
6868
6869   // free, allocate and clear memory for target list
6870   checked_free(setup_info_final);
6871   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
6872
6873   // copy setup info list without setup entries marked as hidden
6874   for (i = 0; setup_info_orig[i].type != 0; i++)
6875   {
6876     // skip setup entries configured to be hidden
6877     if (hideSetupEntry(setup_info_orig[i].value))
6878       continue;
6879
6880     // skip skippable setup entries if screen is lower than usual
6881     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
6882         setup_info_orig[i].type == TYPE_SKIPPABLE)
6883       continue;
6884
6885     setup_info_final[list_pos++] = setup_info_orig[i];
6886   }
6887
6888   return setup_info_final;
6889 }
6890
6891 static void DrawSetupScreen_Generic(void)
6892 {
6893   int fade_mask = REDRAW_FIELD;
6894   boolean redraw_all = FALSE;
6895   char *title_string = NULL;
6896   int i;
6897
6898   if (CheckFadeAll())
6899     fade_mask = REDRAW_ALL;
6900
6901   UnmapAllGadgets();
6902   FadeMenuSoundsAndMusic();
6903
6904   FreeScreenGadgets();
6905   CreateScreenGadgets();
6906
6907   if (redraw_mask & REDRAW_ALL)
6908     redraw_all = TRUE;
6909
6910   FadeOut(fade_mask);
6911
6912   // needed if different viewport properties defined for setup screen
6913   ChangeViewportPropertiesIfNeeded();
6914
6915   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6916
6917   ClearField();
6918
6919   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6920
6921   if (setup_mode == SETUP_MODE_MAIN)
6922   {
6923     setup_info = setup_info_main;
6924     title_string = STR_SETUP_MAIN;
6925   }
6926   else if (setup_mode == SETUP_MODE_GAME)
6927   {
6928     setup_info = setup_info_game;
6929     title_string = STR_SETUP_GAME;
6930   }
6931   else if (setup_mode == SETUP_MODE_ENGINES)
6932   {
6933     setup_info = setup_info_engines;
6934     title_string = STR_SETUP_ENGINES;
6935   }
6936   else if (setup_mode == SETUP_MODE_EDITOR)
6937   {
6938     setup_info = setup_info_editor;
6939     title_string = STR_SETUP_EDITOR;
6940   }
6941   else if (setup_mode == SETUP_MODE_GRAPHICS)
6942   {
6943     setup_info = setup_info_graphics;
6944     title_string = STR_SETUP_GRAPHICS;
6945   }
6946   else if (setup_mode == SETUP_MODE_SOUND)
6947   {
6948     setup_info = setup_info_sound;
6949     title_string = STR_SETUP_SOUND;
6950   }
6951   else if (setup_mode == SETUP_MODE_ARTWORK)
6952   {
6953     setup_info = setup_info_artwork;
6954     title_string = STR_SETUP_ARTWORK;
6955   }
6956   else if (setup_mode == SETUP_MODE_TOUCH)
6957   {
6958     setup_info = setup_info_touch;
6959     title_string = STR_SETUP_TOUCH;
6960
6961     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
6962       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
6963     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6964       setup_info = setup_info_touch_wipe_gestures;
6965   }
6966   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6967   {
6968     setup_info = setup_info_shortcuts;
6969     title_string = STR_SETUP_SHORTCUTS;
6970   }
6971   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6972   {
6973     setup_info = setup_info_shortcuts_1;
6974     title_string = STR_SETUP_SHORTCUTS;
6975   }
6976   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6977   {
6978     setup_info = setup_info_shortcuts_2;
6979     title_string = STR_SETUP_SHORTCUTS;
6980   }
6981   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6982   {
6983     setup_info = setup_info_shortcuts_3;
6984     title_string = STR_SETUP_SHORTCUTS;
6985   }
6986   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6987   {
6988     setup_info = setup_info_shortcuts_4;
6989     title_string = STR_SETUP_SHORTCUTS;
6990   }
6991   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6992   {
6993     setup_info = setup_info_shortcuts_5;
6994     title_string = STR_SETUP_SHORTCUTS;
6995   }
6996
6997   // use modified setup info without setup entries marked as hidden
6998   setup_info = getSetupInfoFinal(setup_info);
6999
7000   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7001
7002   // determine maximal number of setup entries that can be displayed on screen
7003   num_setup_info = 0;
7004   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7005     num_setup_info++;
7006
7007   // determine maximal number of setup entries available for this setup screen
7008   max_setup_info = 0;
7009   for (i = 0; setup_info[i].type != 0; i++)
7010     max_setup_info++;
7011
7012   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7013
7014   MapScreenGadgets(max_setup_info);
7015
7016   if (redraw_all)
7017     redraw_mask = fade_mask = REDRAW_ALL;
7018
7019   DrawMaskedBorder(fade_mask);
7020
7021   FadeIn(fade_mask);
7022 }
7023
7024 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7025 {
7026   menu_info = setup_info;
7027
7028   HandleMenuScreen(mx, my, dx, dy, button,
7029                    setup_mode, num_setup_info, max_setup_info);
7030 }
7031
7032 static void DrawSetupScreen_Input(void)
7033 {
7034   int i;
7035
7036   FadeOut(REDRAW_FIELD);
7037
7038   ClearField();
7039
7040   setup_info = getSetupInfoFinal(setup_info_input);
7041
7042   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7043
7044   for (i = 0; setup_info[i].type != 0; i++)
7045   {
7046     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7047       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7048     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7049       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7050     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7051       initCursor(i, IMG_MENU_BUTTON);
7052
7053     DrawCursorAndText_Setup(i, -1, FALSE);
7054   }
7055
7056   // create gadgets for setup input menu screen
7057   FreeScreenGadgets();
7058   CreateScreenGadgets();
7059
7060   // map gadgets for setup input menu screen
7061   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7062
7063   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7064
7065   FadeIn(REDRAW_FIELD);
7066 }
7067
7068 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7069 {
7070   if (device_name == NULL)
7071     return;
7072
7073   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7074     device_nr = 0;
7075
7076   if (strlen(device_name) > 1)
7077   {
7078     char c1 = device_name[strlen(device_name) - 1];
7079     char c2 = device_name[strlen(device_name) - 2];
7080
7081     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7082       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7083   }
7084   else
7085     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7086             strlen(device_name));
7087 }
7088
7089 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7090 {
7091   int i;
7092   static struct SetupKeyboardInfo custom_key;
7093   static struct
7094   {
7095     Key *key;
7096     char *text;
7097   } custom[] =
7098   {
7099     { &custom_key.left,  "Axis/Pad Left"  },
7100     { &custom_key.right, "Axis/Pad Right" },
7101     { &custom_key.up,    "Axis/Pad Up"    },
7102     { &custom_key.down,  "Axis/Pad Down"  },
7103     { &custom_key.snap,  "Button 1/A/X"   },
7104     { &custom_key.drop,  "Button 2/B/Y"   }
7105   };
7106   static char *joystick_name[MAX_PLAYERS] =
7107   {
7108     "Joystick1",
7109     "Joystick2",
7110     "Joystick3",
7111     "Joystick4"
7112   };
7113   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7114   int font_nr_info = FONT_MENU_1;
7115   int font_nr_name = FONT_VALUE_OLD;
7116   int font_nr_on   = FONT_VALUE_1;
7117   int font_nr_off  = FONT_VALUE_OLD;
7118   int pos = 4;
7119
7120   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7121   {
7122     font_nr_info = FONT_MENU_2;
7123     font_nr_on   = FONT_VALUE_NARROW;
7124     font_nr_off  = FONT_VALUE_OLD_NARROW;
7125   }
7126
7127   custom_key = setup.input[player_nr].key;
7128
7129   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7130            FONT_INPUT_1_ACTIVE);
7131
7132   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7133                              TILEX, TILEY);
7134   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7135                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7136
7137   if (setup.input[player_nr].use_joystick)
7138   {
7139     char *device_name = setup.input[player_nr].joy.device_name;
7140     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7141     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7142     char *text = joystick_name[joystick_nr];
7143     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7144
7145     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7146     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7147   }
7148   else
7149   {
7150     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7151     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7152   }
7153
7154   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7155     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7156   else
7157     pos = 3;
7158
7159   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7160   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7161   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7162   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7163
7164   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7165   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7166   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7167   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7168   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7169   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7170
7171   for (i = 0; i < 6; i++)
7172   {
7173     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7174
7175     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7176              "              ", font_nr_on);
7177     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7178              (setup.input[player_nr].use_joystick ?
7179               custom[i].text :
7180               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7181   }
7182 }
7183
7184 static int input_player_nr = 0;
7185
7186 static void HandleSetupScreen_Input_Player(int step, int direction)
7187 {
7188   int old_player_nr = input_player_nr;
7189   int new_player_nr;
7190
7191   new_player_nr = old_player_nr + step * direction;
7192   if (new_player_nr < 0)
7193     new_player_nr = 0;
7194   if (new_player_nr > MAX_PLAYERS - 1)
7195     new_player_nr = MAX_PLAYERS - 1;
7196
7197   if (new_player_nr != old_player_nr)
7198   {
7199     input_player_nr = new_player_nr;
7200
7201     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7202   }
7203 }
7204
7205 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7206 {
7207   static int choice = 0;
7208   int x = 0;
7209   int y = choice;
7210   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7211   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7212   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7213   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7214
7215   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7216   {
7217     int i;
7218
7219     for (i = 0; setup_info_input[i].type != 0; i++)
7220     {
7221       // adjust menu structure according to skipped setup entries
7222       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7223       {
7224         pos_empty2--;
7225         pos_end--;
7226       }
7227     }
7228   }
7229
7230   if (button == MB_MENU_INITIALIZE)
7231   {
7232     // input setup menu may have changed size due to graphics configuration
7233     if (choice >= pos_empty1)
7234       choice = pos_end;
7235
7236     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7237
7238     DrawCursorAndText_Setup(choice, -1, TRUE);
7239
7240     return;
7241   }
7242   else if (button == MB_MENU_LEAVE)
7243   {
7244     setup_mode = SETUP_MODE_MAIN;
7245     DrawSetupScreen();
7246     InitJoysticks();
7247
7248     return;
7249   }
7250
7251   if (mx || my)         // mouse input
7252   {
7253     x = (mx - mSX) / 32;
7254     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7255   }
7256   else if (dx || dy)    // keyboard input
7257   {
7258     if (dx && choice == 0)
7259       x = (dx < 0 ? 10 : 12);
7260     else if ((dx && choice == 1) ||
7261              (dx == -1 && choice == pos_end))
7262       button = MB_MENU_CHOICE;
7263     else if (dy)
7264       y = choice + dy;
7265
7266     if (y >= pos_empty1 && y <= pos_empty2)
7267       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7268   }
7269
7270   if (y == 0 && dx != 0 && button)
7271   {
7272     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7273   }
7274   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7275            y >= pos_start && y <= pos_end &&
7276            !(y >= pos_empty1 && y <= pos_empty2))
7277   {
7278     if (button)
7279     {
7280       if (y != choice)
7281       {
7282         DrawCursorAndText_Setup(choice, -1, FALSE);
7283         DrawCursorAndText_Setup(y, -1, TRUE);
7284
7285         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7286
7287         choice = y;
7288       }
7289     }
7290     else
7291     {
7292       if (y == 1)
7293       {
7294         char *device_name = setup.input[input_player_nr].joy.device_name;
7295
7296         if (!setup.input[input_player_nr].use_joystick)
7297         {
7298           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7299
7300           setJoystickDeviceToNr(device_name, new_device_nr);
7301           setup.input[input_player_nr].use_joystick = TRUE;
7302         }
7303         else
7304         {
7305           int device_nr = getJoystickNrFromDeviceName(device_name);
7306           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7307
7308           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7309             setup.input[input_player_nr].use_joystick = FALSE;
7310           else
7311             setJoystickDeviceToNr(device_name, new_device_nr);
7312         }
7313
7314         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7315       }
7316       else if (y == 2)
7317       {
7318         if (setup.input[input_player_nr].use_joystick)
7319           ConfigureJoystick(input_player_nr);
7320         else
7321           CustomizeKeyboard(input_player_nr);
7322       }
7323       else if (y == pos_end)
7324       {
7325         InitJoysticks();
7326
7327         FadeSetLeaveMenu();
7328
7329         setup_mode = SETUP_MODE_MAIN;
7330         DrawSetupScreen();
7331       }
7332     }
7333   }
7334 }
7335
7336 static boolean CustomizeKeyboardMain(int player_nr)
7337 {
7338   int i;
7339   int step_nr;
7340   boolean finished = FALSE;
7341   static struct SetupKeyboardInfo custom_key;
7342   static struct
7343   {
7344     Key *key;
7345     char *text;
7346   } customize_step[] =
7347   {
7348     { &custom_key.left,  "Move Left"    },
7349     { &custom_key.right, "Move Right"   },
7350     { &custom_key.up,    "Move Up"      },
7351     { &custom_key.down,  "Move Down"    },
7352     { &custom_key.snap,  "Snap Field"   },
7353     { &custom_key.drop,  "Drop Element" }
7354   };
7355   int font_nr_old = FONT_VALUE_OLD;
7356   int font_nr_new = FONT_VALUE_1;
7357   boolean success = FALSE;
7358
7359   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7360   {
7361     font_nr_old = FONT_VALUE_OLD_NARROW;
7362     font_nr_new = FONT_VALUE_NARROW;
7363   }
7364
7365   // read existing key bindings from player setup
7366   custom_key = setup.input[player_nr].key;
7367
7368   FadeSetEnterMenu();
7369   FadeOut(REDRAW_FIELD);
7370
7371   ClearField();
7372
7373   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7374
7375   step_nr = 0;
7376   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7377            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7378   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7379            "Key:", FONT_INPUT_1_ACTIVE);
7380   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7381            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7382
7383   FadeIn(REDRAW_FIELD);
7384
7385   while (!finished)
7386   {
7387     Event event;
7388
7389     if (NextValidEvent(&event))
7390     {
7391       switch (event.type)
7392       {
7393         case EVENT_KEYPRESS:
7394           {
7395             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7396
7397             // press 'Escape' to abort and keep the old key bindings
7398             if (key == KSYM_Escape)
7399             {
7400               FadeSkipNextFadeIn();
7401
7402               finished = TRUE;
7403
7404               break;
7405             }
7406
7407             // press 'Enter' to keep the existing key binding
7408             if (key == KSYM_Return)
7409               key = *customize_step[step_nr].key;
7410
7411             // check if key already used
7412             for (i = 0; i < step_nr; i++)
7413               if (*customize_step[i].key == key)
7414                 break;
7415             if (i < step_nr)
7416               break;
7417
7418             // got new key binding
7419             *customize_step[step_nr].key = key;
7420             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7421                      "             ", font_nr_new);
7422             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7423                      getKeyNameFromKey(key), font_nr_new);
7424             step_nr++;
7425
7426             // un-highlight last query
7427             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7428                      customize_step[step_nr - 1].text, FONT_MENU_1);
7429             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7430                      "Key:", FONT_MENU_1);
7431
7432             // all keys configured
7433             if (step_nr == 6)
7434             {
7435               finished = TRUE;
7436               success = TRUE;
7437
7438               break;
7439             }
7440
7441             // query next key binding
7442             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7443                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7444             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7445                      "Key:", FONT_INPUT_1_ACTIVE);
7446             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7447                      getKeyNameFromKey(*customize_step[step_nr].key),
7448                      font_nr_old);
7449           }
7450           break;
7451
7452         case EVENT_KEYRELEASE:
7453           key_joystick_mapping = 0;
7454           break;
7455
7456         default:
7457           HandleOtherEvents(&event);
7458           break;
7459       }
7460     }
7461
7462     BackToFront();
7463   }
7464
7465   // write new key bindings back to player setup, if successfully finished
7466   if (success)
7467     setup.input[player_nr].key = custom_key;
7468
7469   return success;
7470 }
7471
7472 void CustomizeKeyboard(int player_nr)
7473 {
7474   boolean success = CustomizeKeyboardMain(player_nr);
7475
7476   if (success)
7477   {
7478     int font_nr = FONT_TITLE_1;
7479     int font_height = getFontHeight(font_nr);
7480     int ypos1 = SYSIZE / 2 - font_height * 2;
7481     int ypos2 = SYSIZE / 2 - font_height * 1;
7482     unsigned int wait_frame_delay = 0;
7483     unsigned int wait_frame_delay_value = 2000;
7484
7485     ResetDelayCounter(&wait_frame_delay);
7486
7487     ClearField();
7488
7489     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7490     DrawTextSCentered(ypos2, font_nr, "configured!");
7491
7492     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7493       BackToFront();
7494
7495     ClearEventQueue();
7496   }
7497
7498   DrawSetupScreen_Input();
7499 }
7500
7501 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7502
7503 #define MARKER_BUTTON           1
7504 #define MARKER_AXIS_X           2
7505 #define MARKER_AXIS_Y           3
7506
7507 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7508 {
7509   static boolean bitmaps_initialized = FALSE;
7510   boolean screen_initialized = FALSE;
7511   static Bitmap *controller, *button, *axis_x, *axis_y;
7512   char *name;
7513   boolean success = TRUE;
7514   boolean done = FALSE, next = FALSE;
7515   Event event;
7516   int alpha = 200, alpha_step = -1;
7517   int alpha_ticks = 0;
7518   char mapping[4096], temp[4096];
7519   int font_name = MENU_SETUP_FONT_TITLE;
7520   int font_info = MENU_SETUP_FONT_TEXT;
7521   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7522   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7523   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7524   int ystep_name = getMenuTextStep(spacing_name, font_name);
7525   int ystep_line = getMenuTextStep(spacing_line, font_info);
7526   int ystep_para = getMenuTextStep(spacing_para, font_info);
7527   int i, j;
7528
7529   struct
7530   {
7531     int x, y;
7532     int marker;
7533     char *field;
7534     int axis, button, hat, hat_value;
7535     char mapping[4096];
7536   }
7537   *step, *prev_step, steps[] =
7538   {
7539     { 356, 155, MARKER_BUTTON, "a",             },
7540     { 396, 122, MARKER_BUTTON, "b",             },
7541     { 320, 125, MARKER_BUTTON, "x",             },
7542     { 358,  95, MARKER_BUTTON, "y",             },
7543     { 162, 125, MARKER_BUTTON, "back",          },
7544     { 216, 125, MARKER_BUTTON, "guide",         },
7545     { 271, 125, MARKER_BUTTON, "start",         },
7546     { 110, 200, MARKER_BUTTON, "dpleft",        },
7547     { 146, 228, MARKER_BUTTON, "dpdown",        },
7548     { 178, 200, MARKER_BUTTON, "dpright",       },
7549     { 146, 172, MARKER_BUTTON, "dpup",          },
7550     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7551     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7552     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7553     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7554     {  73, 141, MARKER_BUTTON, "leftstick",     },
7555     { 282, 210, MARKER_BUTTON, "rightstick",    },
7556     {  73, 141, MARKER_AXIS_X, "leftx",         },
7557     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7558     { 282, 210, MARKER_AXIS_X, "rightx",        },
7559     { 282, 210, MARKER_AXIS_Y, "righty",        },
7560   };
7561
7562   unsigned int event_frame_delay = 0;
7563   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7564
7565   ResetDelayCounter(&event_frame_delay);
7566
7567   if (!bitmaps_initialized)
7568   {
7569     controller = LoadCustomImage("joystick/controller.png");
7570     button     = LoadCustomImage("joystick/button.png");
7571     axis_x     = LoadCustomImage("joystick/axis_x.png");
7572     axis_y     = LoadCustomImage("joystick/axis_y.png");
7573
7574     bitmaps_initialized = TRUE;
7575   }
7576
7577   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7578
7579 #if DEBUG_JOYSTICKS
7580   // print info about the joystick we are watching
7581   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
7582         SDL_JoystickInstanceID(joystick), name);
7583   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
7584         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7585         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7586 #endif
7587
7588   // initialize mapping with GUID and name
7589   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7590
7591   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7592            temp, name, SDL_GetPlatform());
7593
7594   // loop through all steps (buttons and axes), getting joystick events
7595   for (i = 0; i < SDL_arraysize(steps) && !done;)
7596   {
7597     Bitmap *marker = button;    // initialize with reliable default value
7598
7599     step = &steps[i];
7600     strcpy(step->mapping, mapping);
7601     step->axis = -1;
7602     step->button = -1;
7603     step->hat = -1;
7604     step->hat_value = -1;
7605
7606     marker = (step->marker == MARKER_BUTTON ? button :
7607               step->marker == MARKER_AXIS_X ? axis_x :
7608               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7609
7610     next = FALSE;
7611
7612     while (!done && !next)
7613     {
7614       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7615       alpha_ticks = SDL_GetTicks();
7616
7617       if (alpha >= 255)
7618       {
7619         alpha = 255;
7620         alpha_step = -1;
7621       }
7622       else if (alpha < 128)
7623       {
7624         alpha = 127;
7625         alpha_step = 1;
7626       }
7627
7628       int controller_x = SX + (SXSIZE - controller->width) / 2;
7629       int controller_y = SY + ystep_line;
7630
7631       int marker_x = controller_x + step->x;
7632       int marker_y = controller_y + step->y;
7633
7634       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7635       int ystart2 = ystart1 + ystep_name + ystep_line;
7636
7637       ClearField();
7638
7639       DrawTextSCentered(ystart1, font_name, name);
7640
7641       DrawTextSCentered(ystart2, font_info,
7642                         "Press buttons and move axes on");
7643       ystart2 += ystep_line;
7644       DrawTextSCentered(ystart2, font_info,
7645                         "your controller when indicated.");
7646       ystart2 += ystep_line;
7647       DrawTextSCentered(ystart2, font_info,
7648                         "(Your controller may look different.)");
7649       ystart2 += ystep_para;
7650
7651 #if defined(PLATFORM_ANDROID)
7652       DrawTextSCentered(ystart2, font_info,
7653                         "To correct a mistake,");
7654       ystart2 += ystep_line;
7655       DrawTextSCentered(ystart2, font_info,
7656                         "press the 'back' button.");
7657       ystart2 += ystep_line;
7658       DrawTextSCentered(ystart2, font_info,
7659                         "To skip a button or axis,");
7660       ystart2 += ystep_line;
7661       DrawTextSCentered(ystart2, font_info,
7662                         "press the 'menu' button.");
7663 #else
7664       DrawTextSCentered(ystart2, font_info,
7665                         "To correct a mistake,");
7666       ystart2 += ystep_line;
7667       DrawTextSCentered(ystart2, font_info,
7668                         "press the 'backspace' key.");
7669       ystart2 += ystep_line;
7670       DrawTextSCentered(ystart2, font_info,
7671                         "To skip a button or axis,");
7672       ystart2 += ystep_line;
7673       DrawTextSCentered(ystart2, font_info,
7674                         "press the 'return' key.");
7675       ystart2 += ystep_line;
7676       DrawTextSCentered(ystart2, font_info,
7677                         "To exit, press the 'escape' key.");
7678 #endif
7679
7680       BlitBitmapMasked(controller, drawto, 0, 0,
7681                        controller->width, controller->height,
7682                        controller_x, controller_y);
7683
7684       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7685       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7686
7687       BlitBitmapMasked(marker, drawto, 0, 0,
7688                        marker->width, marker->height,
7689                        marker_x, marker_y);
7690
7691       if (!screen_initialized)
7692         FadeIn(REDRAW_FIELD);
7693       else
7694         BackToFront();
7695
7696       screen_initialized = TRUE;
7697
7698       while (NextValidEvent(&event))
7699       {
7700         switch (event.type)
7701         {
7702           case SDL_JOYAXISMOTION:
7703             if (event.jaxis.value > 20000 ||
7704                 event.jaxis.value < -20000)
7705             {
7706               for (j = 0; j < i; j++)
7707                 if (steps[j].axis == event.jaxis.axis)
7708                   break;
7709
7710               if (j == i)
7711               {
7712                 if (step->marker != MARKER_AXIS_X &&
7713                     step->marker != MARKER_AXIS_Y)
7714                   break;
7715
7716                 step->axis = event.jaxis.axis;
7717                 strcat(mapping, step->field);
7718                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7719                 strcat(mapping, temp);
7720                 i++;
7721                 next = TRUE;
7722               }
7723             }
7724
7725             break;
7726
7727           case SDL_JOYHATMOTION:
7728             // ignore centering; we're probably just coming back
7729             // to the center from the previous item we set
7730             if (event.jhat.value == SDL_HAT_CENTERED)
7731               break;
7732
7733             for (j = 0; j < i; j++)
7734               if (steps[j].hat == event.jhat.hat &&
7735                   steps[j].hat_value == event.jhat.value)
7736                 break;
7737
7738             if (j == i)
7739             {
7740               step->hat = event.jhat.hat;
7741               step->hat_value = event.jhat.value;
7742               strcat(mapping, step->field);
7743               snprintf(temp, sizeof(temp), ":h%u.%u,",
7744                        event.jhat.hat, event.jhat.value );
7745               strcat(mapping, temp);
7746               i++;
7747               next = TRUE;
7748             }
7749
7750             break;
7751
7752           case SDL_JOYBALLMOTION:
7753             break;
7754
7755           case SDL_JOYBUTTONUP:
7756             for (j = 0; j < i; j++)
7757               if (steps[j].button == event.jbutton.button)
7758                 break;
7759
7760             if (j == i)
7761             {
7762               step->button = event.jbutton.button;
7763               strcat(mapping, step->field);
7764               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7765               strcat(mapping, temp);
7766               i++;
7767               next = TRUE;
7768             }
7769
7770             break;
7771
7772           case SDL_FINGERDOWN:
7773           case SDL_MOUSEBUTTONDOWN:
7774             // skip this step
7775             i++;
7776             next = TRUE;
7777
7778             break;
7779
7780           case SDL_KEYDOWN:
7781             if (event.key.keysym.sym == KSYM_BackSpace ||
7782                 event.key.keysym.sym == KSYM_Back)
7783             {
7784               if (i == 0)
7785               {
7786                 // leave screen
7787                 success = FALSE;
7788                 done = TRUE;
7789
7790                 break;
7791               }
7792
7793               // undo this step
7794               prev_step = &steps[i - 1];
7795               strcpy(mapping, prev_step->mapping);
7796               i--;
7797               next = TRUE;
7798
7799               break;
7800             }
7801
7802             if (event.key.keysym.sym == KSYM_space ||
7803                 event.key.keysym.sym == KSYM_Return ||
7804                 event.key.keysym.sym == KSYM_Menu)
7805             {
7806               // skip this step
7807               i++;
7808               next = TRUE;
7809
7810               break;
7811             }
7812
7813             if (event.key.keysym.sym == KSYM_Escape)
7814             {
7815               // leave screen
7816               success = FALSE;
7817               done = TRUE;
7818             }
7819
7820             break;
7821
7822           case SDL_QUIT:
7823             program.exit_function(0);
7824             break;
7825
7826           default:
7827             break;
7828         }
7829
7830         // do not handle events for longer than standard frame delay period
7831         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7832           break;
7833       }
7834     }
7835   }
7836
7837   if (success)
7838   {
7839 #if DEBUG_JOYSTICKS
7840     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
7841 #endif
7842
7843     // activate mapping for this game
7844     SDL_GameControllerAddMapping(mapping);
7845
7846     // save mapping to personal mappings
7847     SaveSetup_AddGameControllerMapping(mapping);
7848   }
7849
7850   // wait until the last pending event was removed from event queue
7851   while (NextValidEvent(&event));
7852
7853   return success;
7854 }
7855
7856 static int ConfigureJoystickMain(int player_nr)
7857 {
7858   char *device_name = setup.input[player_nr].joy.device_name;
7859   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7860   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7861   int success = FALSE;
7862   int i;
7863
7864   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7865     return JOYSTICK_NOT_AVAILABLE;
7866
7867   if (!joystick_active || !setup.input[player_nr].use_joystick)
7868     return JOYSTICK_NOT_AVAILABLE;
7869
7870   FadeSetEnterMenu();
7871   FadeOut(REDRAW_FIELD);
7872
7873   // close all joystick devices (potentially opened as game controllers)
7874   for (i = 0; i < SDL_NumJoysticks(); i++)
7875     SDLCloseJoystick(i);
7876
7877   // open joystick device as plain joystick to configure as game controller
7878   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
7879
7880   // as the joystick was successfully opened before, this should not happen
7881   if (joystick == NULL)
7882     return FALSE;
7883
7884   // create new game controller mapping (buttons and axes) for joystick device
7885   success = ConfigureJoystickMapButtonsAndAxes(joystick);
7886
7887   // close joystick (and maybe re-open as configured game controller later)
7888   SDL_JoystickClose(joystick);
7889
7890   // re-open all joystick devices (potentially as game controllers)
7891   for (i = 0; i < SDL_NumJoysticks(); i++)
7892     SDLOpenJoystick(i);
7893
7894   // clear all joystick input actions for all joystick devices
7895   SDLClearJoystickState();
7896
7897   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
7898 }
7899
7900 void ConfigureJoystick(int player_nr)
7901 {
7902   boolean state = ConfigureJoystickMain(player_nr);
7903
7904   if (state != JOYSTICK_NOT_CONFIGURED)
7905   {
7906     boolean success = (state == JOYSTICK_CONFIGURED);
7907     char message1[MAX_OUTPUT_LINESIZE + 1];
7908     char *message2 = (success ? "configured!" : "not available!");
7909     char *device_name = setup.input[player_nr].joy.device_name;
7910     int nr = getJoystickNrFromDeviceName(device_name) + 1;
7911     int font_nr = FONT_TITLE_1;
7912     int font_height = getFontHeight(font_nr);
7913     int ypos1 = SYSIZE / 2 - font_height * 2;
7914     int ypos2 = SYSIZE / 2 - font_height * 1;
7915     unsigned int wait_frame_delay = 0;
7916     unsigned int wait_frame_delay_value = 2000;
7917
7918     ResetDelayCounter(&wait_frame_delay);
7919
7920     ClearField();
7921
7922     sprintf(message1, "Joystick %d", nr);
7923
7924     DrawTextSCentered(ypos1, font_nr, message1);
7925     DrawTextSCentered(ypos2, font_nr, message2);
7926
7927     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7928       BackToFront();
7929
7930     ClearEventQueue();
7931   }
7932
7933   DrawSetupScreen_Input();
7934 }
7935
7936 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
7937 {
7938   if (y < video.screen_height / 3)
7939   {
7940     // remap touch gadgets to access upper part of the screen
7941     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
7942     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
7943   }
7944   else if (y > 2 * video.screen_height / 3)
7945   {
7946     // remap touch gadgets to access lower part of the screen
7947     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
7948     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
7949   }
7950 }
7951
7952 static boolean ConfigureVirtualButtonsMain(void)
7953 {
7954   static char *customize_step_text[] =
7955   {
7956     "Move Left",
7957     "Move Right",
7958     "Move Up",
7959     "Move Down",
7960     "Snap Field",
7961     "Drop Element"
7962   };
7963   char grid_button[] =
7964   {
7965     CHAR_GRID_BUTTON_LEFT,
7966     CHAR_GRID_BUTTON_RIGHT,
7967     CHAR_GRID_BUTTON_UP,
7968     CHAR_GRID_BUTTON_DOWN,
7969     CHAR_GRID_BUTTON_SNAP,
7970     CHAR_GRID_BUTTON_DROP
7971   };
7972   enum
7973   {
7974     ACTION_NONE,
7975     ACTION_ESCAPE,
7976     ACTION_BACK,
7977     ACTION_NEXT
7978   };
7979   int font_nr = FONT_INPUT_1_ACTIVE;
7980   int font_height = getFontHeight(font_nr);
7981   int ypos1 = SYSIZE / 2 - font_height * 2;
7982   int ypos2 = SYSIZE / 2 - font_height * 1;
7983   boolean success = FALSE;
7984   boolean finished = FALSE;
7985   int step_nr = 0;
7986   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
7987   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7988   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7989   boolean set_grid_button = FALSE;
7990   int nr = GRID_ACTIVE_NR();
7991   int x, y;
7992
7993   for (x = 0; x < MAX_GRID_XSIZE; x++)
7994     for (y = 0; y < MAX_GRID_YSIZE; y++)
7995       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
7996
7997   overlay.grid_button_highlight = grid_button[step_nr];
7998
7999   UnmapAllGadgets();
8000
8001   FadeSetEnterMenu();
8002   FadeOut(REDRAW_FIELD);
8003
8004   ClearField();
8005
8006   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8007   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8008   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8009
8010   FadeIn(REDRAW_FIELD);
8011
8012   SetOverlayShowGrid(TRUE);
8013
8014   // map gadgets for setup touch buttons menu screen
8015   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8016
8017   while (!finished)
8018   {
8019     Event event;
8020
8021     while (NextValidEvent(&event))
8022     {
8023       int action = ACTION_NONE;
8024
8025       // ---------- handle events and set the resulting action ----------
8026
8027       switch (event.type)
8028       {
8029         case EVENT_USER:
8030           {
8031             UserEvent *user = (UserEvent *)&event;
8032             int id = user->value1;
8033
8034             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8035                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8036                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8037                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8038                       ACTION_NONE);
8039           }
8040           break;
8041
8042         case EVENT_KEYPRESS:
8043           {
8044             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8045
8046             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8047                       key == KSYM_BackSpace ||
8048                       key == KSYM_Back ?        ACTION_BACK :
8049                       key == KSYM_Return ||
8050                       key == KSYM_Menu ||
8051                       key == KSYM_space ?       ACTION_NEXT :
8052                       ACTION_NONE);
8053           }
8054           break;
8055
8056         case EVENT_KEYRELEASE:
8057           key_joystick_mapping = 0;
8058           break;
8059
8060         case EVENT_BUTTONPRESS:
8061         case EVENT_BUTTONRELEASE:
8062           {
8063             ButtonEvent *button = (ButtonEvent *)&event;
8064
8065             motion_status = FALSE;
8066
8067             if (button->type == EVENT_BUTTONPRESS)
8068               button_status = button->button;
8069             else
8070               button_status = MB_RELEASED;
8071
8072             if (HandleGadgets(button->x, button->y, button_status))
8073             {
8074               // do not handle this button event anymore
8075               break;
8076             }
8077
8078             button->x += video.screen_xoffset;
8079             button->y += video.screen_yoffset;
8080
8081             x = button->x * overlay.grid_xsize / video.screen_width;
8082             y = button->y * overlay.grid_ysize / video.screen_height;
8083
8084             if (button->type == EVENT_BUTTONPRESS)
8085             {
8086               grid_button_draw =
8087                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8088                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8089
8090               set_grid_button = TRUE;
8091             }
8092
8093             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8094           }
8095           break;
8096
8097         case EVENT_MOTIONNOTIFY:
8098           {
8099             MotionEvent *motion = (MotionEvent *)&event;
8100
8101             motion_status = TRUE;
8102
8103             if (HandleGadgets(motion->x, motion->y, button_status))
8104             {
8105               // do not handle this button event anymore
8106               break;
8107             }
8108
8109             motion->x += video.screen_xoffset;
8110             motion->y += video.screen_yoffset;
8111
8112             x = motion->x * overlay.grid_xsize / video.screen_width;
8113             y = motion->y * overlay.grid_ysize / video.screen_height;
8114
8115             set_grid_button = TRUE;
8116
8117             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8118           }
8119           break;
8120
8121         case SDL_WINDOWEVENT:
8122           HandleWindowEvent((WindowEvent *) &event);
8123
8124           // check if device has been rotated
8125           if (nr != GRID_ACTIVE_NR())
8126           {
8127             nr = GRID_ACTIVE_NR();
8128
8129             for (x = 0; x < MAX_GRID_XSIZE; x++)
8130               for (y = 0; y < MAX_GRID_YSIZE; y++)
8131                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8132                   overlay.grid_button[x][y];
8133           }
8134
8135           break;
8136
8137         case SDL_APP_WILLENTERBACKGROUND:
8138         case SDL_APP_DIDENTERBACKGROUND:
8139         case SDL_APP_WILLENTERFOREGROUND:
8140         case SDL_APP_DIDENTERFOREGROUND:
8141           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8142           break;
8143
8144         default:
8145           HandleOtherEvents(&event);
8146           break;
8147       }
8148
8149       // ---------- perform action set by handling events ----------
8150
8151       if (action == ACTION_ESCAPE)
8152       {
8153         // abort and restore the old key bindings
8154
8155         for (x = 0; x < MAX_GRID_XSIZE; x++)
8156           for (y = 0; y < MAX_GRID_YSIZE; y++)
8157             overlay.grid_button[x][y] = grid_button_old[x][y];
8158
8159         FadeSkipNextFadeIn();
8160
8161         finished = TRUE;
8162       }
8163       else if (action == ACTION_BACK)
8164       {
8165         // keep the configured key bindings and go to previous page
8166
8167         step_nr--;
8168
8169         if (step_nr < 0)
8170         {
8171           FadeSkipNextFadeIn();
8172
8173           finished = TRUE;
8174         }
8175       }
8176       else if (action == ACTION_NEXT)
8177       {
8178         // keep the configured key bindings and go to next page
8179
8180         step_nr++;
8181
8182         // all virtual buttons configured
8183         if (step_nr == 6)
8184         {
8185           finished = TRUE;
8186           success = TRUE;
8187         }
8188       }
8189
8190       if (action != ACTION_NONE && !finished)
8191       {
8192         for (x = 0; x < MAX_GRID_XSIZE; x++)
8193           for (y = 0; y < MAX_GRID_YSIZE; y++)
8194             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8195
8196         overlay.grid_button_highlight = grid_button[step_nr];
8197
8198         // configure next virtual button
8199
8200         ClearField();
8201
8202         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8203         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8204         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8205       }
8206
8207       if (set_grid_button)
8208       {
8209         overlay.grid_button[x][y] =
8210           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8211            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8212            grid_button_tmp[x][y]);
8213
8214         set_grid_button = FALSE;
8215       }
8216     }
8217
8218     BackToFront();
8219   }
8220
8221   for (x = 0; x < MAX_GRID_XSIZE; x++)
8222     for (y = 0; y < MAX_GRID_YSIZE; y++)
8223       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8224
8225   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8226
8227   SetOverlayShowGrid(FALSE);
8228
8229   return success;
8230 }
8231
8232 void ConfigureVirtualButtons(void)
8233 {
8234   boolean success = ConfigureVirtualButtonsMain();
8235
8236   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8237                          SCREEN_MASK_TOUCH2);
8238
8239   if (success)
8240   {
8241     int font_nr = FONT_TITLE_1;
8242     int font_height = getFontHeight(font_nr);
8243     int ypos1 = SYSIZE / 2 - font_height * 2;
8244     int ypos2 = SYSIZE / 2 - font_height * 1;
8245     unsigned int wait_frame_delay = 0;
8246     unsigned int wait_frame_delay_value = 2000;
8247
8248     ResetDelayCounter(&wait_frame_delay);
8249
8250     ClearField();
8251
8252     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8253     DrawTextSCentered(ypos2, font_nr, "configured!");
8254
8255     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8256       BackToFront();
8257
8258     ClearEventQueue();
8259   }
8260 }
8261
8262 void DrawSetupScreen(void)
8263 {
8264   align_xoffset = 0;
8265   align_yoffset = 0;
8266
8267   if (setup_mode == SETUP_MODE_INPUT)
8268     DrawSetupScreen_Input();
8269   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8270     DrawChooseTree(&game_speed_current);
8271   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8272     DrawChooseTree(&scroll_delay_current);
8273   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8274     DrawChooseTree(&snapshot_mode_current);
8275   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8276     DrawChooseTree(&window_size_current);
8277   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8278     DrawChooseTree(&scaling_type_current);
8279   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8280     DrawChooseTree(&rendering_mode_current);
8281   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8282     DrawChooseTree(&vsync_mode_current);
8283   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8284     DrawChooseTree(&artwork.gfx_current);
8285   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8286     DrawChooseTree(&artwork.snd_current);
8287   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8288     DrawChooseTree(&artwork.mus_current);
8289   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8290     DrawChooseTree(&volume_simple_current);
8291   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8292     DrawChooseTree(&volume_loops_current);
8293   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8294     DrawChooseTree(&volume_music_current);
8295   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8296     DrawChooseTree(&touch_control_current);
8297   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8298     DrawChooseTree(&move_distance_current);
8299   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8300     DrawChooseTree(&drop_distance_current);
8301   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8302     DrawChooseTree(&transparency_current);
8303   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8304     DrawChooseTree(&grid_size_current[0][0]);
8305   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8306     DrawChooseTree(&grid_size_current[0][1]);
8307   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8308     DrawChooseTree(&grid_size_current[1][0]);
8309   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8310     DrawChooseTree(&grid_size_current[1][1]);
8311   else
8312     DrawSetupScreen_Generic();
8313
8314   PlayMenuSoundsAndMusic();
8315 }
8316
8317 void RedrawSetupScreenAfterFullscreenToggle(void)
8318 {
8319   if (setup_mode == SETUP_MODE_GRAPHICS ||
8320       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8321   {
8322     // update list selection from "setup.window_scaling_percent"
8323     execSetupGraphics_setWindowSizes(TRUE);
8324
8325     DrawSetupScreen();
8326   }
8327 }
8328
8329 void RedrawSetupScreenAfterScreenRotation(int nr)
8330 {
8331   int x, y;
8332
8333   if (setup_mode == SETUP_MODE_TOUCH)
8334   {
8335     // update virtual button settings (depending on screen orientation)
8336     DrawSetupScreen();
8337   }
8338   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8339   {
8340     // save already configured virtual buttons
8341     for (x = 0; x < MAX_GRID_XSIZE; x++)
8342       for (y = 0; y < MAX_GRID_YSIZE; y++)
8343         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8344   }
8345 }
8346
8347 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8348 {
8349   if (setup_mode == SETUP_MODE_INPUT)
8350     HandleSetupScreen_Input(mx, my, dx, dy, button);
8351   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8352     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8353   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8354     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8355   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8356     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8357   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8358     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8359   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8360     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8361   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8362     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8363   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8364     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8365   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8366     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8367   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8368     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8369   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8370     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8371   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8372     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8373   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8374     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8375   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8376     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8377   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8378     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8379   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8380     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8381   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8382     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8383   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8384     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8385   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8386     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8387   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8388     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8389   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8390     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8391   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8392     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8393   else
8394     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8395 }
8396
8397 void HandleGameActions(void)
8398 {
8399   if (setup.ask_on_game_over)
8400     CheckGameOver();
8401
8402   if (game.restart_game_message != NULL)
8403   {
8404     RequestRestartGame(game.restart_game_message);
8405
8406     return;
8407   }
8408
8409   if (game_status != GAME_MODE_PLAYING)
8410     return;
8411
8412   GameActions();        // main game loop
8413
8414   if (tape.auto_play && !tape.playing)
8415     AutoPlayTape();     // continue automatically playing next tape
8416 }
8417
8418
8419 // ---------- new screen button stuff --------------------------------------
8420
8421 static struct
8422 {
8423   int gfx_unpressed, gfx_pressed;
8424   struct MenuPosInfo *pos;
8425   boolean *check_value;
8426   int gadget_id;
8427   int screen_mask;
8428   unsigned int event_mask;
8429   boolean is_touch_button;
8430   char *infotext;
8431 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8432 {
8433   {
8434     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8435     &menu.main.button.prev_level, NULL,
8436     SCREEN_CTRL_ID_PREV_LEVEL,
8437     SCREEN_MASK_MAIN,
8438     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8439     FALSE, "previous level"
8440   },
8441   {
8442     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8443     &menu.main.button.next_level, NULL,
8444     SCREEN_CTRL_ID_NEXT_LEVEL,
8445     SCREEN_MASK_MAIN,
8446     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8447     FALSE, "next level"
8448   },
8449   {
8450     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8451     &menu.main.button.first_level, NULL,
8452     SCREEN_CTRL_ID_FIRST_LEVEL,
8453     SCREEN_MASK_MAIN,
8454     GD_EVENT_RELEASED,
8455     FALSE, "first level"
8456   },
8457   {
8458     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8459     &menu.main.button.last_level, NULL,
8460     SCREEN_CTRL_ID_LAST_LEVEL,
8461     SCREEN_MASK_MAIN,
8462     GD_EVENT_RELEASED,
8463     FALSE, "last level"
8464   },
8465   {
8466     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8467     &menu.main.button.level_number, NULL,
8468     SCREEN_CTRL_ID_LEVEL_NUMBER,
8469     SCREEN_MASK_MAIN,
8470     GD_EVENT_RELEASED,
8471     FALSE, "level number"
8472   },
8473   {
8474     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8475     &menu.setup.button.prev_player, NULL,
8476     SCREEN_CTRL_ID_PREV_PLAYER,
8477     SCREEN_MASK_INPUT,
8478     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8479     FALSE, "previous player"
8480   },
8481   {
8482     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8483     &menu.setup.button.next_player, NULL,
8484     SCREEN_CTRL_ID_NEXT_PLAYER,
8485     SCREEN_MASK_INPUT,
8486     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8487     FALSE, "next player"
8488   },
8489   {
8490     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8491     &menu.main.button.insert_solution, NULL,
8492     SCREEN_CTRL_ID_INSERT_SOLUTION,
8493     SCREEN_MASK_MAIN_HAS_SOLUTION,
8494     GD_EVENT_RELEASED,
8495     FALSE, "insert solution tape"
8496   },
8497   {
8498     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8499     &menu.main.button.play_solution, NULL,
8500     SCREEN_CTRL_ID_PLAY_SOLUTION,
8501     SCREEN_MASK_MAIN_HAS_SOLUTION,
8502     GD_EVENT_RELEASED,
8503     FALSE, "play solution tape"
8504   },
8505   {
8506     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8507     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8508     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8509     SCREEN_MASK_MAIN,
8510     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8511     FALSE, "switch ECS/AGA chipset"
8512   },
8513   {
8514     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8515     &menu.setup.button.touch_back, NULL,
8516     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8517     SCREEN_MASK_TOUCH,
8518     GD_EVENT_RELEASED,
8519     TRUE, "previous page"
8520   },
8521   {
8522     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8523     &menu.setup.button.touch_next, NULL,
8524     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8525     SCREEN_MASK_TOUCH,
8526     GD_EVENT_RELEASED,
8527     TRUE, "next page"
8528   },
8529   {
8530     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8531     &menu.setup.button.touch_back2, NULL,
8532     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8533     SCREEN_MASK_TOUCH2,
8534     GD_EVENT_RELEASED,
8535     TRUE, "previous page"
8536   },
8537   {
8538     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8539     &menu.setup.button.touch_next2, NULL,
8540     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8541     SCREEN_MASK_TOUCH2,
8542     GD_EVENT_RELEASED,
8543     TRUE, "next page"
8544   },
8545 };
8546
8547 static struct
8548 {
8549   int gfx_unpressed, gfx_pressed;
8550   int x, y;
8551   int gadget_id;
8552   char *infotext;
8553 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8554 {
8555   {
8556     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8557     -1, -1,     // these values are not constant, but can change at runtime
8558     SCREEN_CTRL_ID_SCROLL_UP,
8559     "scroll up"
8560   },
8561   {
8562     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8563     -1, -1,     // these values are not constant, but can change at runtime
8564     SCREEN_CTRL_ID_SCROLL_DOWN,
8565     "scroll down"
8566   }
8567 };
8568
8569 static struct
8570 {
8571   int gfx_unpressed, gfx_pressed;
8572   int x, y;
8573   int width, height;
8574   int type;
8575   int gadget_id;
8576   char *infotext;
8577 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8578 {
8579   {
8580     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8581     -1, -1,     // these values are not constant, but can change at runtime
8582     -1, -1,     // these values are not constant, but can change at runtime
8583     GD_TYPE_SCROLLBAR_VERTICAL,
8584     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8585     "scroll level series vertically"
8586   }
8587 };
8588
8589 static struct
8590 {
8591   int graphic;
8592   int gadget_id;
8593   int x, y;
8594   int size;
8595   char *value;
8596   char *infotext;
8597 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8598 {
8599   {
8600     IMG_SETUP_INPUT_TEXT,
8601     SCREEN_CTRL_ID_NETWORK_SERVER,
8602     -1, -1,     // these values are not constant, but can change at runtime
8603     MAX_SETUP_TEXT_INPUT_LEN,
8604     network_server_hostname,
8605     "Network Server Hostname / IP"
8606   },
8607 };
8608
8609 static void CreateScreenMenubuttons(void)
8610 {
8611   struct GadgetInfo *gi;
8612   unsigned int event_mask;
8613   int i;
8614
8615   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8616   {
8617     struct MenuPosInfo *pos = menubutton_info[i].pos;
8618     boolean is_touch_button = menubutton_info[i].is_touch_button;
8619     boolean is_check_button = menubutton_info[i].check_value != NULL;
8620     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8621     int gfx_unpressed, gfx_pressed;
8622     int x, y, width, height;
8623     int gd_x1, gd_x2, gd_y1, gd_y2;
8624     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8625     int id = menubutton_info[i].gadget_id;
8626     int type = GD_TYPE_NORMAL_BUTTON;
8627     boolean checked = FALSE;
8628
8629     event_mask = menubutton_info[i].event_mask;
8630
8631     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8632     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8633
8634     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8635     height = graphic_info[menubutton_info[i].gfx_pressed].height;
8636
8637     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8638     gfx_pressed   = menubutton_info[i].gfx_pressed;
8639     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8640     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8641     gd_x1 = graphic_info[gfx_unpressed].src_x;
8642     gd_y1 = graphic_info[gfx_unpressed].src_y;
8643     gd_x2 = graphic_info[gfx_pressed].src_x;
8644     gd_y2 = graphic_info[gfx_pressed].src_y;
8645     gd_x1a = gd_x1;
8646     gd_y1a = gd_y1;
8647     gd_x2a = gd_x2;
8648     gd_y2a = gd_y2;
8649
8650     if (is_touch_button)
8651     {
8652       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
8653       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
8654     }
8655
8656     if (is_check_button)
8657     {
8658       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
8659       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
8660       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
8661       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
8662
8663       type = GD_TYPE_CHECK_BUTTON;
8664       checked = *menubutton_info[i].check_value;
8665     }
8666
8667     gi = CreateGadget(GDI_CUSTOM_ID, id,
8668                       GDI_CUSTOM_TYPE_ID, i,
8669                       GDI_IMAGE_ID, gfx_unpressed,
8670                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8671                       GDI_X, x,
8672                       GDI_Y, y,
8673                       GDI_WIDTH, width,
8674                       GDI_HEIGHT, height,
8675                       GDI_TYPE, type,
8676                       GDI_STATE, GD_BUTTON_UNPRESSED,
8677                       GDI_CHECKED, checked,
8678                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8679                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8680                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
8681                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
8682                       GDI_DIRECT_DRAW, FALSE,
8683                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
8684                       GDI_EVENT_MASK, event_mask,
8685                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8686                       GDI_END);
8687
8688     if (gi == NULL)
8689       Error(ERR_EXIT, "cannot create gadget");
8690
8691     screen_gadget[id] = gi;
8692   }
8693 }
8694
8695 static void CreateScreenScrollbuttons(void)
8696 {
8697   struct GadgetInfo *gi;
8698   unsigned int event_mask;
8699   int i;
8700
8701   // these values are not constant, but can change at runtime
8702   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8703   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8704   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8705   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8706
8707   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8708   {
8709     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8710     int gfx_unpressed, gfx_pressed;
8711     int x, y, width, height;
8712     int gd_x1, gd_x2, gd_y1, gd_y2;
8713     int id = scrollbutton_info[i].gadget_id;
8714
8715     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8716
8717     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8718     y = mSY + scrollbutton_info[i].y;
8719     width = SC_SCROLLBUTTON_XSIZE;
8720     height = SC_SCROLLBUTTON_YSIZE;
8721
8722     // correct scrollbar position if placed outside menu (playfield) area
8723     if (x > SX + SC_SCROLL_UP_XPOS)
8724       x = SX + SC_SCROLL_UP_XPOS;
8725
8726     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8727       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8728                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8729
8730     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8731     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8732     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8733     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8734     gd_x1 = graphic_info[gfx_unpressed].src_x;
8735     gd_y1 = graphic_info[gfx_unpressed].src_y;
8736     gd_x2 = graphic_info[gfx_pressed].src_x;
8737     gd_y2 = graphic_info[gfx_pressed].src_y;
8738
8739     gi = CreateGadget(GDI_CUSTOM_ID, id,
8740                       GDI_CUSTOM_TYPE_ID, i,
8741                       GDI_IMAGE_ID, gfx_unpressed,
8742                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8743                       GDI_X, x,
8744                       GDI_Y, y,
8745                       GDI_WIDTH, width,
8746                       GDI_HEIGHT, height,
8747                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8748                       GDI_STATE, GD_BUTTON_UNPRESSED,
8749                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8750                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8751                       GDI_DIRECT_DRAW, FALSE,
8752                       GDI_EVENT_MASK, event_mask,
8753                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8754                       GDI_END);
8755
8756     if (gi == NULL)
8757       Error(ERR_EXIT, "cannot create gadget");
8758
8759     screen_gadget[id] = gi;
8760   }
8761 }
8762
8763 static void CreateScreenScrollbars(void)
8764 {
8765   int i;
8766
8767   // these values are not constant, but can change at runtime
8768   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8769   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8770   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8771   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8772
8773   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8774   {
8775     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8776     int gfx_unpressed, gfx_pressed;
8777     int x, y, width, height;
8778     int gd_x1, gd_x2, gd_y1, gd_y2;
8779     struct GadgetInfo *gi;
8780     int items_max, items_visible, item_position;
8781     unsigned int event_mask;
8782     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8783     int id = scrollbar_info[i].gadget_id;
8784
8785     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8786
8787     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8788     y = mSY + scrollbar_info[i].y;
8789     width  = scrollbar_info[i].width;
8790     height = scrollbar_info[i].height;
8791
8792     // correct scrollbar position if placed outside menu (playfield) area
8793     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8794       x = SX + SC_SCROLL_VERTICAL_XPOS;
8795
8796     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8797       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8798
8799     items_max = num_page_entries;
8800     items_visible = num_page_entries;
8801     item_position = 0;
8802
8803     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8804     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8805     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8806     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8807     gd_x1 = graphic_info[gfx_unpressed].src_x;
8808     gd_y1 = graphic_info[gfx_unpressed].src_y;
8809     gd_x2 = graphic_info[gfx_pressed].src_x;
8810     gd_y2 = graphic_info[gfx_pressed].src_y;
8811
8812     gi = CreateGadget(GDI_CUSTOM_ID, id,
8813                       GDI_CUSTOM_TYPE_ID, i,
8814                       GDI_IMAGE_ID, gfx_unpressed,
8815                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8816                       GDI_X, x,
8817                       GDI_Y, y,
8818                       GDI_WIDTH, width,
8819                       GDI_HEIGHT, height,
8820                       GDI_TYPE, scrollbar_info[i].type,
8821                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8822                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8823                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8824                       GDI_WHEEL_AREA_X, SX,
8825                       GDI_WHEEL_AREA_Y, SY,
8826                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8827                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8828                       GDI_STATE, GD_BUTTON_UNPRESSED,
8829                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8830                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8831                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8832                       GDI_DIRECT_DRAW, FALSE,
8833                       GDI_EVENT_MASK, event_mask,
8834                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8835                       GDI_END);
8836
8837     if (gi == NULL)
8838       Error(ERR_EXIT, "cannot create gadget");
8839
8840     screen_gadget[id] = gi;
8841   }
8842 }
8843
8844 static void CreateScreenTextInputGadgets(void)
8845 {
8846   int i;
8847
8848   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
8849   {
8850     int graphic = textinput_info[i].graphic;
8851     struct GraphicInfo *gd = &graphic_info[graphic];
8852     int gd_x1 = gd->src_x;
8853     int gd_y1 = gd->src_y;
8854     int gd_x2 = gd->src_x + gd->active_xoffset;
8855     int gd_y2 = gd->src_y + gd->active_yoffset;
8856     struct GadgetInfo *gi;
8857     unsigned int event_mask;
8858     int id = textinput_info[i].gadget_id;
8859     int x = textinput_info[i].x;
8860     int y = textinput_info[i].y;
8861
8862     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8863
8864     gi = CreateGadget(GDI_CUSTOM_ID, id,
8865                       GDI_CUSTOM_TYPE_ID, i,
8866                       GDI_INFO_TEXT, textinput_info[i].infotext,
8867                       GDI_X, SX + x,
8868                       GDI_Y, SY + y,
8869                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8870                       GDI_TEXT_VALUE, textinput_info[i].value,
8871                       GDI_TEXT_SIZE, textinput_info[i].size,
8872                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
8873                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
8874                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8875                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8876                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8877                       GDI_DESIGN_WIDTH, gd->width,
8878                       GDI_EVENT_MASK, event_mask,
8879                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8880                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
8881                       GDI_END);
8882
8883     if (gi == NULL)
8884       Error(ERR_EXIT, "cannot create gadget");
8885
8886     screen_gadget[id] = gi;
8887   }
8888 }
8889
8890 void CreateScreenGadgets(void)
8891 {
8892   CreateScreenMenubuttons();
8893
8894   CreateScreenScrollbuttons();
8895   CreateScreenScrollbars();
8896
8897   CreateScreenTextInputGadgets();
8898 }
8899
8900 void FreeScreenGadgets(void)
8901 {
8902   int i;
8903
8904   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
8905     FreeGadget(screen_gadget[i]);
8906 }
8907
8908 static void MapScreenMenuGadgets(int screen_mask)
8909 {
8910   int i;
8911
8912   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8913     if (screen_mask & menubutton_info[i].screen_mask)
8914       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8915 }
8916
8917 static void UnmapScreenMenuGadgets(int screen_mask)
8918 {
8919   int i;
8920
8921   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8922   {
8923     if (screen_mask & menubutton_info[i].screen_mask)
8924     {
8925       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8926
8927       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
8928         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
8929                        screen_gadget[menubutton_info[i].gadget_id]->y,
8930                        screen_gadget[menubutton_info[i].gadget_id]->width,
8931                        screen_gadget[menubutton_info[i].gadget_id]->height);
8932     }
8933   }
8934 }
8935
8936 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
8937 {
8938   if (map_gadgets)
8939     MapScreenMenuGadgets(screen_mask);
8940   else
8941     UnmapScreenMenuGadgets(screen_mask);
8942 }
8943
8944 static void MapScreenGadgets(int num_entries)
8945 {
8946   int i;
8947
8948   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
8949     return;
8950
8951   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8952     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
8953
8954   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8955     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
8956 }
8957
8958 static void MapScreenTreeGadgets(TreeInfo *ti)
8959 {
8960   MapScreenGadgets(numTreeInfoInGroup(ti));
8961 }
8962
8963 static void HandleScreenGadgets(struct GadgetInfo *gi)
8964 {
8965   int id = gi->custom_id;
8966   int button = gi->event.button;
8967   int step = (button == MB_LEFTBUTTON   ? 1 :
8968               button == MB_MIDDLEBUTTON ? 5 :
8969               button == MB_RIGHTBUTTON  ? 10 : 1);
8970
8971   switch (id)
8972   {
8973     case SCREEN_CTRL_ID_PREV_LEVEL:
8974       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
8975       break;
8976
8977     case SCREEN_CTRL_ID_NEXT_LEVEL:
8978       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
8979       break;
8980
8981     case SCREEN_CTRL_ID_FIRST_LEVEL:
8982       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
8983       break;
8984
8985     case SCREEN_CTRL_ID_LAST_LEVEL:
8986       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
8987       break;
8988
8989     case SCREEN_CTRL_ID_LEVEL_NUMBER:
8990       CloseDoor(DOOR_CLOSE_2);
8991       SetGameStatus(GAME_MODE_LEVELNR);
8992       DrawChooseLevelNr();
8993       break;
8994
8995     case SCREEN_CTRL_ID_PREV_PLAYER:
8996       HandleSetupScreen_Input_Player(step, -1);
8997       break;
8998
8999     case SCREEN_CTRL_ID_NEXT_PLAYER:
9000       HandleSetupScreen_Input_Player(step, +1);
9001       break;
9002
9003     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9004       InsertSolutionTape();
9005       break;
9006
9007     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9008       PlaySolutionTape();
9009       break;
9010
9011     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9012       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9013       DrawMainMenu();
9014       break;
9015
9016     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9017     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9018     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9019     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9020       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9021       break;
9022
9023     case SCREEN_CTRL_ID_SCROLL_UP:
9024       if (game_status == GAME_MODE_LEVELS)
9025         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9026       else if (game_status == GAME_MODE_LEVELNR)
9027         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9028       else if (game_status == GAME_MODE_SETUP)
9029         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9030       else if (game_status == GAME_MODE_INFO)
9031         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9032       break;
9033
9034     case SCREEN_CTRL_ID_SCROLL_DOWN:
9035       if (game_status == GAME_MODE_LEVELS)
9036         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9037       else if (game_status == GAME_MODE_LEVELNR)
9038         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9039       else if (game_status == GAME_MODE_SETUP)
9040         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9041       else if (game_status == GAME_MODE_INFO)
9042         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9043       break;
9044
9045     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9046       if (game_status == GAME_MODE_LEVELS)
9047         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9048       else if (game_status == GAME_MODE_LEVELNR)
9049         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9050       else if (game_status == GAME_MODE_SETUP)
9051         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9052       else if (game_status == GAME_MODE_INFO)
9053         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9054       break;
9055
9056     case SCREEN_CTRL_ID_NETWORK_SERVER:
9057     {
9058       if (!strEqual(gi->textinput.value, ""))
9059       {
9060         setString(&setup.network_server_hostname, gi->textinput.value);
9061
9062         network.server_host = setup.network_server_hostname;
9063       }
9064       else
9065       {
9066         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9067
9068         network.server_host = NULL;
9069       }
9070
9071       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9072         network.server_host = NULL;
9073
9074       execSetupGame_setNetworkServerText();
9075
9076       DrawSetupScreen();
9077
9078       break;
9079     }
9080
9081     default:
9082       break;
9083   }
9084 }
9085
9086 void DumpScreenIdentifiers(void)
9087 {
9088   int i;
9089
9090   Print("Active screen elements on current screen:\n");
9091
9092   for (i = 0; main_controls[i].nr != -1; i++)
9093   {
9094     struct MainControlInfo *mci = &main_controls[i];
9095
9096     if (mci->button_graphic != -1)
9097     {
9098       char *token = getTokenFromImageID(mci->button_graphic);
9099
9100       Print("- '%s'\n", token);
9101     }
9102   }
9103
9104   Print("Done.\n");
9105 }
9106
9107 boolean DoScreenAction(int image_id)
9108 {
9109   int i;
9110
9111   if (game_status != GAME_MODE_MAIN)
9112     return FALSE;
9113
9114   for (i = 0; main_controls[i].nr != -1; i++)
9115   {
9116     struct MainControlInfo *mci = &main_controls[i];
9117     struct MenuPosInfo *pos = mci->pos_button;
9118
9119     if (mci->button_graphic == image_id)
9120     {
9121       int x = mSX + pos->x;
9122       int y = mSY + pos->y;
9123
9124       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9125
9126       return TRUE;
9127     }
9128   }
9129
9130   return FALSE;
9131 }
9132
9133 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9134 {
9135   // get tree info node of newly added level or artwork set
9136   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9137   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9138                                                       tree_subdir_new);
9139   if (tree_node_new == NULL)    // should not happen
9140     return;
9141
9142   // if request dialog is active, do nothing
9143   if (game.request_active)
9144     return;
9145
9146   if (game_status == GAME_MODE_MAIN &&
9147       tree_type == TREE_TYPE_LEVEL_DIR)
9148   {
9149     // when adding new level set in main menu, select it as current level set
9150
9151     // change current level set to newly added level set from zip file
9152     leveldir_current = tree_node_new;
9153
9154     // change current level number to first level of newly added level set
9155     level_nr = leveldir_current->first_level;
9156
9157     // redraw screen to reflect changed level set
9158     DrawMainMenu();
9159
9160     // save this level set and level number as last selected level set
9161     SaveLevelSetup_LastSeries();
9162     SaveLevelSetup_SeriesInfo();
9163   }
9164   else if (game_status == GAME_MODE_LEVELS &&
9165            tree_type == TREE_TYPE_LEVEL_DIR)
9166   {
9167     // when adding new level set in level set menu, set cursor and update screen
9168
9169     leveldir_current = tree_node_new;
9170
9171     DrawChooseTree(&leveldir_current);
9172   }
9173   else if (game_status == GAME_MODE_SETUP)
9174   {
9175     // when adding new artwork set in setup menu, set cursor and update screen
9176
9177     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9178         tree_type == TREE_TYPE_GRAPHICS_DIR)
9179     {
9180       artwork.gfx_current = tree_node_new;
9181
9182       DrawChooseTree(&artwork.gfx_current);
9183     }
9184     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9185              tree_type == TREE_TYPE_SOUNDS_DIR)
9186     {
9187       artwork.snd_current = tree_node_new;
9188
9189       DrawChooseTree(&artwork.snd_current);
9190     }
9191     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9192              tree_type == TREE_TYPE_MUSIC_DIR)
9193     {
9194       artwork.mus_current = tree_node_new;
9195
9196       DrawChooseTree(&artwork.mus_current);
9197     }
9198   }
9199 }