src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // for input setup functions
 127 #define SETUPINPUT_SCREEN_POS_START     0
 128 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 129 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 130 #define SETUPINPUT_SCREEN_POS_END       13
 131
 132 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 133 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 134
 135 #define MAX_SETUP_TEXT_INPUT_LEN        28
 136
 137 // for various menu stuff
 138 #define MENU_SCREEN_START_XPOS          1
 139 #define MENU_SCREEN_START_YPOS          2
 140 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 141 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 142 #define MENU_TITLE1_YPOS                8
 143 #define MENU_TITLE2_YPOS                46
 144 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 145 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 146 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 147 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 148 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 149 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 150 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 151 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 152 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 153 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 154 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 155                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 156                                                          MENU_INFO_FONT_TITLE))
 157 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 158 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 159 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 160                                          MENU_SCREEN_INFO_YSTART2 -     \
 161                                          TILEY / 2)
 162 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 163 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 164                                          MENU_SCREEN_INFO_YSTEP)
 165 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 166   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 167    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 168    MAX_MENU_ENTRIES_ON_SCREEN)
 169 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 170                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 171                                             NUM_INFO_ELEMENTS_FROM_CONF)
 172 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 173 #define MAX_MENU_TEXT_LENGTH_BIG        13
 174 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 175
 176 // screen gadget identifiers
 177 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 178 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 179 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 180 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 181 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 182 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 183 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 184 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 185 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 186 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 187 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 188 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 189 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 190 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 191 #define SCREEN_CTRL_ID_SCROLL_UP        14
 192 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 193 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 194 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 195
 196 #define NUM_SCREEN_GADGETS              18
 197
 198 #define NUM_SCREEN_MENUBUTTONS          14
 199 #define NUM_SCREEN_SCROLLBUTTONS        2
 200 #define NUM_SCREEN_SCROLLBARS           1
 201 #define NUM_SCREEN_TEXTINPUT            1
 202
 203 #define SCREEN_MASK_MAIN                (1 << 0)
 204 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 205 #define SCREEN_MASK_INPUT               (1 << 2)
 206 #define SCREEN_MASK_TOUCH               (1 << 3)
 207 #define SCREEN_MASK_TOUCH2              (1 << 4)
 208
 209 // graphic position and size values for buttons and scrollbars
 210 #define SC_MENUBUTTON_XSIZE             TILEX
 211 #define SC_MENUBUTTON_YSIZE             TILEY
 212
 213 #define SC_SCROLLBUTTON_XSIZE           TILEX
 214 #define SC_SCROLLBUTTON_YSIZE           TILEY
 215
 216 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 217
 218 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 219 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 220                                          SC_SCROLLBUTTON_YSIZE)
 221
 222 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 223 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 224
 225 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 226 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 227                                          SC_SCROLLBUTTON_YSIZE)
 228
 229 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 230 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 231                                          SC_SCROLL_VERTICAL_YSIZE)
 232
 233 #define SC_BORDER_SIZE                  14
 234
 235
 236 // forward declarations of internal functions
 237 static void HandleScreenGadgets(struct GadgetInfo *);
 238 static void HandleSetupScreen_Generic(int, int, int, int, int);
 239 static void HandleSetupScreen_Input(int, int, int, int, int);
 240 static void CustomizeKeyboard(int);
 241 static void ConfigureJoystick(int);
 242 static void ConfigureVirtualButtons(void);
 243 static void execSetupGame(void);
 244 static void execSetupEngines(void);
 245 static void execSetupGraphics(void);
 246 static void execSetupSound(void);
 247 static void execSetupTouch(void);
 248 static void execSetupArtwork(void);
 249 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 250
 251 static void DrawChoosePlayerName(void);
 252 static void DrawChooseLevelSet(void);
 253 static void DrawChooseLevelNr(void);
 254 static void DrawInfoScreen(void);
 255 static void DrawSetupScreen(void);
 256 static void DrawTypeName(void);
 257
 258 static void DrawInfoScreen_NotAvailable(char *, char *);
 259 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 260 static void DrawInfoScreen_HelpText(int, int, int, int);
 261 static void HandleInfoScreen_Main(int, int, int, int, int);
 262 static void HandleInfoScreen_TitleScreen(int);
 263 static void HandleInfoScreen_Elements(int);
 264 static void HandleInfoScreen_Music(int);
 265 static void HandleInfoScreen_Credits(int);
 266 static void HandleInfoScreen_Program(int);
 267 static void HandleInfoScreen_Version(int);
 268
 269 static void ModifyGameSpeedIfNeeded(void);
 270 static void DisableVsyncIfNeeded(void);
 271
 272 static void MapScreenMenuGadgets(int);
 273 static void UnmapScreenMenuGadgets(int);
 274 static void MapScreenGadgets(int);
 275 static void MapScreenTreeGadgets(TreeInfo *);
 276
 277 static void UpdateScreenMenuGadgets(int, boolean);
 278
 279 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 280
 281 static int info_mode = INFO_MODE_MAIN;
 282 static int setup_mode = SETUP_MODE_MAIN;
 283
 284 static TreeInfo *window_sizes = NULL;
 285 static TreeInfo *window_size_current = NULL;
 286
 287 static TreeInfo *scaling_types = NULL;
 288 static TreeInfo *scaling_type_current = NULL;
 289
 290 static TreeInfo *rendering_modes = NULL;
 291 static TreeInfo *rendering_mode_current = NULL;
 292
 293 static TreeInfo *vsync_modes = NULL;
 294 static TreeInfo *vsync_mode_current = NULL;
 295
 296 static TreeInfo *scroll_delays = NULL;
 297 static TreeInfo *scroll_delay_current = NULL;
 298
 299 static TreeInfo *snapshot_modes = NULL;
 300 static TreeInfo *snapshot_mode_current = NULL;
 301
 302 static TreeInfo *game_speeds_normal = NULL;
 303 static TreeInfo *game_speeds_extended = NULL;
 304 static TreeInfo *game_speeds = NULL;
 305 static TreeInfo *game_speed_current = NULL;
 306
 307 static TreeInfo *volumes_simple = NULL;
 308 static TreeInfo *volume_simple_current = NULL;
 309
 310 static TreeInfo *volumes_loops = NULL;
 311 static TreeInfo *volume_loops_current = NULL;
 312
 313 static TreeInfo *volumes_music = NULL;
 314 static TreeInfo *volume_music_current = NULL;
 315
 316 static TreeInfo *touch_controls = NULL;
 317 static TreeInfo *touch_control_current = NULL;
 318
 319 static TreeInfo *move_distances = NULL;
 320 static TreeInfo *move_distance_current = NULL;
 321
 322 static TreeInfo *drop_distances = NULL;
 323 static TreeInfo *drop_distance_current = NULL;
 324
 325 static TreeInfo *transparencies = NULL;
 326 static TreeInfo *transparency_current = NULL;
 327
 328 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 329 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 330
 331 static TreeInfo *player_name = NULL;
 332 static TreeInfo *player_name_current = NULL;
 333
 334 static TreeInfo *level_number = NULL;
 335 static TreeInfo *level_number_current = NULL;
 336
 337 static struct ValueTextInfo window_sizes_list[] =
 338 {
 339   {     50,     "50 %"                          },
 340   {     80,     "80 %"                          },
 341   {     90,     "90 %"                          },
 342   {     100,    "100 % (Default)"               },
 343   {     110,    "110 %"                         },
 344   {     120,    "120 %"                         },
 345   {     130,    "130 %"                         },
 346   {     140,    "140 %"                         },
 347   {     150,    "150 %"                         },
 348   {     200,    "200 %"                         },
 349   {     250,    "250 %"                         },
 350   {     300,    "300 %"                         },
 351
 352   {     -1,     NULL                            },
 353 };
 354
 355 static struct StringValueTextInfo scaling_types_list[] =
 356 {
 357   {     SCALING_QUALITY_NEAREST, "Off"          },
 358   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 359   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 360
 361   {     NULL,                    NULL           },
 362 };
 363
 364 static struct StringValueTextInfo rendering_modes_list[] =
 365 {
 366   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 367   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 368 #if DEBUG
 369   // this mode may work under certain conditions, but does not work on Windows
 370   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 371 #endif
 372   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 373
 374   {     NULL,                            NULL                            },
 375 };
 376
 377 static struct StringValueTextInfo vsync_modes_list[] =
 378 {
 379   {     STR_VSYNC_MODE_OFF,             "Off"           },
 380   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 381   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 382
 383   {     NULL,                            NULL           },
 384 };
 385
 386 static struct ValueTextInfo game_speeds_list_normal[] =
 387 {
 388   {     30,     "Very Slow"                     },
 389   {     25,     "Slow"                          },
 390   {     20,     "Normal"                        },
 391   {     15,     "Fast"                          },
 392   {     10,     "Very Fast"                     },
 393
 394   {     -1,     NULL                            },
 395 };
 396
 397 static struct ValueTextInfo game_speeds_list_extended[] =
 398 {
 399   {     1000,   "1 fps (Extremely Slow)"        },
 400   {     500,    "2 fps"                         },
 401   {     200,    "5 fps"                         },
 402   {     100,    "10 fps"                        },
 403   {     50,     "20 fps"                        },
 404   {     29,     "35 fps (Original Supaplex)"    },
 405   {     25,     "40 fps"                        },
 406   {     20,     "50 fps (=== Normal Speed ===)" },
 407   {     16,     "60 fps (60 Hz VSync Speed)"    },
 408   {     14,     "70 fps (Maximum Supaplex)"     },
 409   {     10,     "100 fps"                       },
 410   {     5,      "200 fps"                       },
 411   {     2,      "500 fps"                       },
 412   {     1,      "1000 fps (Extremely Fast)"     },
 413
 414   {     -1,     NULL                            },
 415 };
 416
 417 static struct ValueTextInfo *game_speeds_list;
 418
 419 static struct ValueTextInfo scroll_delays_list[] =
 420 {
 421   {     0,      "0 Tiles (No Scroll Delay)"     },
 422   {     1,      "1 Tile"                        },
 423   {     2,      "2 Tiles"                       },
 424   {     3,      "3 Tiles (Default)"             },
 425   {     4,      "4 Tiles"                       },
 426   {     5,      "5 Tiles"                       },
 427   {     6,      "6 Tiles"                       },
 428   {     7,      "7 Tiles"                       },
 429   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 430
 431   {     -1,     NULL                            },
 432 };
 433
 434 static struct StringValueTextInfo snapshot_modes_list[] =
 435 {
 436   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 437   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 438   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 439   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 440
 441   {     NULL,                                   NULL            },
 442 };
 443
 444 static struct ValueTextInfo volumes_list[] =
 445 {
 446   {     0,      "0 %"                           },
 447   {     1,      "1 %"                           },
 448   {     2,      "2 %"                           },
 449   {     5,      "5 %"                           },
 450   {     10,     "10 %"                          },
 451   {     20,     "20 %"                          },
 452   {     30,     "30 %"                          },
 453   {     40,     "40 %"                          },
 454   {     50,     "50 %"                          },
 455   {     60,     "60 %"                          },
 456   {     70,     "70 %"                          },
 457   {     80,     "80 %"                          },
 458   {     90,     "90 %"                          },
 459   {     100,    "100 %"                         },
 460
 461   {     -1,     NULL                            },
 462 };
 463
 464 static struct StringValueTextInfo touch_controls_list[] =
 465 {
 466   {     TOUCH_CONTROL_OFF,              "Off"                   },
 467   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 468   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 469   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 470
 471   {     NULL,                           NULL                    },
 472 };
 473
 474 static struct ValueTextInfo distances_list[] =
 475 {
 476   {     1,      "1 %"                           },
 477   {     2,      "2 %"                           },
 478   {     3,      "3 %"                           },
 479   {     4,      "4 %"                           },
 480   {     5,      "5 %"                           },
 481   {     10,     "10 %"                          },
 482   {     15,     "15 %"                          },
 483   {     20,     "20 %"                          },
 484   {     25,     "25 %"                          },
 485
 486   {     -1,     NULL                            },
 487 };
 488
 489 static struct ValueTextInfo transparencies_list[] =
 490 {
 491   {     0,      "0 % (Opaque)"                  },
 492   {     10,     "10 %"                          },
 493   {     20,     "20 %"                          },
 494   {     30,     "30 %"                          },
 495   {     40,     "40 %"                          },
 496   {     50,     "50 %"                          },
 497   {     60,     "60 %"                          },
 498   {     70,     "70 %"                          },
 499   {     80,     "80 %"                          },
 500   {     90,     "90 %"                          },
 501   {     100,    "100 % (Invisible)"             },
 502
 503   {     -1,     NULL                            },
 504 };
 505
 506 static struct ValueTextInfo grid_sizes_list[] =
 507 {
 508   {     3,      "3"                             },
 509   {     4,      "4"                             },
 510   {     5,      "5"                             },
 511   {     6,      "6"                             },
 512   {     7,      "7"                             },
 513   {     8,      "8"                             },
 514   {     9,      "9"                             },
 515   {     10,     "10"                            },
 516   {     11,     "11"                            },
 517   {     12,     "12"                            },
 518   {     13,     "13"                            },
 519   {     14,     "14"                            },
 520   {     15,     "15"                            },
 521   {     16,     "16"                            },
 522   {     17,     "17"                            },
 523   {     18,     "18"                            },
 524   {     19,     "19"                            },
 525   {     20,     "20"                            },
 526   {     21,     "21"                            },
 527   {     22,     "22"                            },
 528   {     23,     "23"                            },
 529   {     24,     "24"                            },
 530   {     25,     "25"                            },
 531   {     26,     "26"                            },
 532   {     27,     "27"                            },
 533   {     28,     "28"                            },
 534   {     29,     "29"                            },
 535   {     30,     "30"                            },
 536   {     31,     "31"                            },
 537   {     32,     "32"                            },
 538
 539   {     -1,     NULL                            },
 540 };
 541
 542 static int align_xoffset = 0;
 543 static int align_yoffset = 0;
 544
 545 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 546                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 547                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 548                                  GAME_MODE_MAIN :                       \
 549                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 550                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 551
 552 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 553 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 554                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 555                                  INFO_MODE_MAIN)
 556
 557 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 558                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 559                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 560                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 561                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 562                                  SETUP_MODE_CHOOSE_OTHER)
 563
 564 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 565                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 566                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 567 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 568                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 569                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 570 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 571                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 572                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 573
 574 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 575                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 576                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 577 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 578                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 579                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 580 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 581                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 582                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 583
 584 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 585                                  DRAW_XOFFSET_INFO(info_mode) :         \
 586                                  (s) == GAME_MODE_SETUP ?               \
 587                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 588                                  menu.draw_xoffset[DRAW_MODE(s)])
 589 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 590                                  DRAW_YOFFSET_INFO(info_mode) :         \
 591                                  (s) == GAME_MODE_SETUP ?               \
 592                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 593                                  menu.draw_yoffset[DRAW_MODE(s)])
 594 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 595                                  EXTRA_SPACING_INFO(info_mode) :        \
 596                                  (s) == GAME_MODE_SETUP ?               \
 597                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 598                                  menu.extra_spacing[DRAW_MODE(s)])
 599
 600 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 601 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 602
 603 #define amSX                    (mSX + align_xoffset)
 604 #define amSY                    (mSY + align_yoffset)
 605
 606 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 607                                     menu.list_size[game_status] :       \
 608                                     MAX_MENU_ENTRIES_ON_SCREEN)
 609
 610 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 611                                          NUM_MENU_ENTRIES_ON_SCREEN)
 612
 613
 614 // title display and control definitions
 615
 616 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 617                                  2 * MAX_NUM_TITLE_MESSAGES)
 618
 619 #define NO_DIRECT_LEVEL_SELECT  (-1)
 620
 621
 622 static int num_title_screens = 0;
 623
 624 struct TitleControlInfo
 625 {
 626   boolean is_image;
 627   boolean initial;
 628   boolean first;
 629   int local_nr;
 630   int sort_priority;
 631 };
 632
 633 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 634
 635 // main menu display and control definitions
 636
 637 #define MAIN_CONTROL_NAME                       0
 638 #define MAIN_CONTROL_LEVELS                     1
 639 #define MAIN_CONTROL_SCORES                     2
 640 #define MAIN_CONTROL_EDITOR                     3
 641 #define MAIN_CONTROL_INFO                       4
 642 #define MAIN_CONTROL_GAME                       5
 643 #define MAIN_CONTROL_SETUP                      6
 644 #define MAIN_CONTROL_QUIT                       7
 645 #define MAIN_CONTROL_PREV_LEVEL                 8
 646 #define MAIN_CONTROL_NEXT_LEVEL                 9
 647 #define MAIN_CONTROL_FIRST_LEVEL                10
 648 #define MAIN_CONTROL_LAST_LEVEL                 11
 649 #define MAIN_CONTROL_LEVEL_NUMBER               12
 650 #define MAIN_CONTROL_LEVEL_INFO_1               13
 651 #define MAIN_CONTROL_LEVEL_INFO_2               14
 652 #define MAIN_CONTROL_LEVEL_NAME                 15
 653 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 654 #define MAIN_CONTROL_LEVEL_YEAR                 17
 655 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 656 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 657 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 658 #define MAIN_CONTROL_TITLE_1                    21
 659 #define MAIN_CONTROL_TITLE_2                    22
 660 #define MAIN_CONTROL_TITLE_3                    23
 661
 662 static char str_main_text_name[10];
 663 static char str_main_text_first_level[10];
 664 static char str_main_text_last_level[10];
 665 static char str_main_text_level_number[10];
 666
 667 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 668
 669 static char *main_text_name                     = str_main_text_name;
 670 static char *main_text_first_level              = str_main_text_first_level;
 671 static char *main_text_last_level               = str_main_text_last_level;
 672 static char *main_text_level_number             = str_main_text_level_number;
 673 static char *main_text_levels                   = "Levelset";
 674 static char *main_text_scores                   = "Hall Of Fame";
 675 static char *main_text_editor                   = "Level Creator";
 676 static char *main_text_info                     = "Info Screen";
 677 static char *main_text_game                     = "Start Game";
 678 static char *main_text_setup                    = "Setup";
 679 static char *main_text_quit                     = "Quit";
 680 static char *main_text_level_name               = level.name;
 681 static char *main_text_level_author             = level.author;
 682 static char *main_text_level_year               = NULL;
 683 static char *main_text_level_imported_from      = NULL;
 684 static char *main_text_level_imported_by        = NULL;
 685 static char *main_text_level_tested_by          = NULL;
 686 static char *main_text_title_1                  = NULL;
 687 static char *main_text_title_2                  = NULL;
 688 static char *main_text_title_3                  = NULL;
 689
 690 extern char debug_xsn_mode[];
 691
 692 struct MainControlInfo
 693 {
 694   int nr;
 695
 696   struct MenuPosInfo *pos_button;
 697   int button_graphic;
 698
 699   struct TextPosInfo *pos_text;
 700   char **text;
 701
 702   struct TextPosInfo *pos_input;
 703   char **input;
 704 };
 705
 706 static struct MainControlInfo main_controls[] =
 707 {
 708   {
 709     MAIN_CONTROL_NAME,
 710     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 711     &menu.main.text.name,               &main_text_name,
 712     &menu.main.input.name,              &setup.player_name,
 713   },
 714   {
 715     MAIN_CONTROL_LEVELS,
 716     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 717     &menu.main.text.levels,             &main_text_levels,
 718     NULL,                               NULL,
 719   },
 720   {
 721     MAIN_CONTROL_SCORES,
 722     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 723     &menu.main.text.scores,             &main_text_scores,
 724     NULL,                               NULL,
 725   },
 726   {
 727     MAIN_CONTROL_EDITOR,
 728     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 729     &menu.main.text.editor,             &main_text_editor,
 730     NULL,                               NULL,
 731   },
 732   {
 733     MAIN_CONTROL_INFO,
 734     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 735     &menu.main.text.info,               &main_text_info,
 736     NULL,                               NULL,
 737   },
 738   {
 739     MAIN_CONTROL_GAME,
 740     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 741     &menu.main.text.game,               &main_text_game,
 742     NULL,                               NULL,
 743   },
 744   {
 745     MAIN_CONTROL_SETUP,
 746     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 747     &menu.main.text.setup,              &main_text_setup,
 748     NULL,                               NULL,
 749   },
 750   {
 751     MAIN_CONTROL_QUIT,
 752     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 753     &menu.main.text.quit,               &main_text_quit,
 754     NULL,                               NULL,
 755   },
 756   {
 757     MAIN_CONTROL_PREV_LEVEL,
 758     NULL,                               -1,
 759     NULL,                               NULL,
 760     NULL,                               NULL,
 761   },
 762   {
 763     MAIN_CONTROL_NEXT_LEVEL,
 764     NULL,                               -1,
 765     NULL,                               NULL,
 766     NULL,                               NULL,
 767   },
 768   {
 769     MAIN_CONTROL_FIRST_LEVEL,
 770     NULL,                               -1,
 771     &menu.main.text.first_level,        &main_text_first_level,
 772     NULL,                               NULL,
 773   },
 774   {
 775     MAIN_CONTROL_LAST_LEVEL,
 776     NULL,                               -1,
 777     &menu.main.text.last_level,         &main_text_last_level,
 778     NULL,                               NULL,
 779   },
 780   {
 781     MAIN_CONTROL_LEVEL_NUMBER,
 782     NULL,                               -1,
 783     &menu.main.text.level_number,       &main_text_level_number,
 784     NULL,                               NULL,
 785   },
 786   {
 787     MAIN_CONTROL_LEVEL_INFO_1,
 788     NULL,                               -1,
 789     &menu.main.text.level_info_1,       NULL,
 790     NULL,                               NULL,
 791   },
 792   {
 793     MAIN_CONTROL_LEVEL_INFO_2,
 794     NULL,                               -1,
 795     &menu.main.text.level_info_2,       NULL,
 796     NULL,                               NULL,
 797   },
 798   {
 799     MAIN_CONTROL_LEVEL_NAME,
 800     NULL,                               -1,
 801     &menu.main.text.level_name,         &main_text_level_name,
 802     NULL,                               NULL,
 803   },
 804   {
 805     MAIN_CONTROL_LEVEL_AUTHOR,
 806     NULL,                               -1,
 807     &menu.main.text.level_author,       &main_text_level_author,
 808     NULL,                               NULL,
 809   },
 810   {
 811     MAIN_CONTROL_LEVEL_YEAR,
 812     NULL,                               -1,
 813     &menu.main.text.level_year,         &main_text_level_year,
 814     NULL,                               NULL,
 815   },
 816   {
 817     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 818     NULL,                               -1,
 819     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 820     NULL,                               NULL,
 821   },
 822   {
 823     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 824     NULL,                               -1,
 825     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 826     NULL,                               NULL,
 827   },
 828   {
 829     MAIN_CONTROL_LEVEL_TESTED_BY,
 830     NULL,                               -1,
 831     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 832     NULL,                               NULL,
 833   },
 834   {
 835     MAIN_CONTROL_TITLE_1,
 836     NULL,                               -1,
 837     &menu.main.text.title_1,            &main_text_title_1,
 838     NULL,                               NULL,
 839   },
 840   {
 841     MAIN_CONTROL_TITLE_2,
 842     NULL,                               -1,
 843     &menu.main.text.title_2,            &main_text_title_2,
 844     NULL,                               NULL,
 845   },
 846   {
 847     MAIN_CONTROL_TITLE_3,
 848     NULL,                               -1,
 849     &menu.main.text.title_3,            &main_text_title_3,
 850     NULL,                               NULL,
 851   },
 852
 853   {
 854     -1,
 855     NULL,                               -1,
 856     NULL,                               NULL,
 857     NULL,                               NULL,
 858   }
 859 };
 860
 861
 862 static int getTitleScreenGraphic(int nr, boolean initial)
 863 {
 864   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 865 }
 866
 867 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 868 {
 869   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 870 }
 871
 872 #if 0
 873 static int getTitleScreenGameMode(boolean initial)
 874 {
 875   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 876 }
 877 #endif
 878
 879 static int getTitleMessageGameMode(boolean initial)
 880 {
 881   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 882 }
 883
 884 static int getTitleAnimMode(struct TitleControlInfo *tci)
 885 {
 886   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 887
 888   return base + tci->local_nr;
 889 }
 890
 891 #if 0
 892 static int getTitleScreenBackground(boolean initial)
 893 {
 894   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 895 }
 896 #endif
 897
 898 #if 0
 899 static int getTitleMessageBackground(int nr, boolean initial)
 900 {
 901   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 902 }
 903 #endif
 904
 905 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 906 {
 907   int base = (is_image ?
 908               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 909                          IMG_BACKGROUND_TITLESCREEN_1) :
 910               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 911                          IMG_BACKGROUND_TITLEMESSAGE_1));
 912   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 913                                   IMG_BACKGROUND_TITLE);
 914   int graphic_local = base + nr;
 915
 916   if (graphic_info[graphic_local].bitmap != NULL)
 917     return graphic_local;
 918
 919   if (graphic_info[graphic_global].bitmap != NULL)
 920     return graphic_global;
 921
 922   return IMG_UNDEFINED;
 923 }
 924
 925 static int getTitleSound(struct TitleControlInfo *tci)
 926 {
 927   boolean is_image = tci->is_image;
 928   int initial = tci->initial;
 929   int nr = tci->local_nr;
 930   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 931   int base = (is_image ?
 932               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 933                          SND_BACKGROUND_TITLESCREEN_1) :
 934               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 935                          SND_BACKGROUND_TITLEMESSAGE_1));
 936   int sound_global = menu.sound[mode];
 937   int sound_local = base + nr;
 938
 939 #if 0
 940   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 941         nr, initial, is_image,
 942         sound_global, getSoundListEntry(sound_global)->filename,
 943         sound_local, getSoundListEntry(sound_local)->filename);
 944 #endif
 945
 946   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 947     return sound_local;
 948
 949   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 950     return sound_global;
 951
 952   return SND_UNDEFINED;
 953 }
 954
 955 static int getTitleMusic(struct TitleControlInfo *tci)
 956 {
 957   boolean is_image = tci->is_image;
 958   int initial = tci->initial;
 959   int nr = tci->local_nr;
 960   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 961   int base = (is_image ?
 962               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 963                          MUS_BACKGROUND_TITLESCREEN_1) :
 964               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 965                          MUS_BACKGROUND_TITLEMESSAGE_1));
 966   int music_global = menu.music[mode];
 967   int music_local = base + nr;
 968
 969 #if 0
 970   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 971         nr, initial, is_image,
 972         music_global, getMusicListEntry(music_global)->filename,
 973         music_local, getMusicListEntry(music_local)->filename);
 974 #endif
 975
 976   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 977     return music_local;
 978
 979   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 980     return music_global;
 981
 982   return MUS_UNDEFINED;
 983 }
 984
 985 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 986 {
 987   boolean is_image = tci->is_image;
 988   boolean initial = tci->initial;
 989   boolean first = tci->first;
 990   int nr = tci->local_nr;
 991   struct TitleMessageInfo tmi;
 992   struct TitleFadingInfo ti;
 993
 994   tmi = (is_image ? (initial ? (first ?
 995                                 titlescreen_initial_first[nr] :
 996                                 titlescreen_initial[nr])
 997                              : (first ?
 998                                 titlescreen_first[nr] :
 999                                 titlescreen[nr]))
1000                   : (initial ? (first ?
1001                                 titlemessage_initial_first[nr] :
1002                                 titlemessage_initial[nr])
1003                              : (first ?
1004                                 titlemessage_first[nr] :
1005                                 titlemessage[nr])));
1006
1007   ti.fade_mode  = tmi.fade_mode;
1008   ti.fade_delay = tmi.fade_delay;
1009   ti.post_delay = tmi.post_delay;
1010   ti.auto_delay = tmi.auto_delay;
1011   ti.auto_delay_unit = tmi.auto_delay_unit;
1012
1013   return ti;
1014 }
1015
1016 static int compareTitleControlInfo(const void *object1, const void *object2)
1017 {
1018   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1019   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1020   int compare_result;
1021
1022   if (tci1->initial != tci2->initial)
1023     compare_result = (tci1->initial ? -1 : +1);
1024   else if (tci1->sort_priority != tci2->sort_priority)
1025     compare_result = tci1->sort_priority - tci2->sort_priority;
1026   else if (tci1->is_image != tci2->is_image)
1027     compare_result = (tci1->is_image ? -1 : +1);
1028   else
1029     compare_result = tci1->local_nr - tci2->local_nr;
1030
1031   return compare_result;
1032 }
1033
1034 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1035                                                     boolean initial,
1036                                                     int nr, int sort_priority)
1037 {
1038   title_controls[num_title_screens].is_image = is_image;
1039   title_controls[num_title_screens].initial = initial;
1040   title_controls[num_title_screens].local_nr = nr;
1041   title_controls[num_title_screens].sort_priority = sort_priority;
1042
1043   title_controls[num_title_screens].first = FALSE;      // will be set later
1044
1045   num_title_screens++;
1046 }
1047
1048 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1049 {
1050   int i;
1051
1052   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1053   {
1054     int graphic = getTitleScreenGraphic(i, initial);
1055     Bitmap *bitmap = graphic_info[graphic].bitmap;
1056     int sort_priority = graphic_info[graphic].sort_priority;
1057
1058     if (bitmap != NULL)
1059       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1060   }
1061
1062   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1063   {
1064     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1065     char *filename = getLevelSetTitleMessageFilename(i, initial);
1066     int sort_priority = tmi->sort_priority;
1067
1068     if (filename != NULL)
1069       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1070   }
1071 }
1072
1073 static void InitializeTitleControls(boolean show_title_initial)
1074 {
1075   num_title_screens = 0;
1076
1077   // 1st step: initialize title screens for game start (only when starting)
1078   if (show_title_initial)
1079     InitializeTitleControls_CheckTitleInfo(TRUE);
1080
1081   // 2nd step: initialize title screens for current level set
1082   InitializeTitleControls_CheckTitleInfo(FALSE);
1083
1084   // sort title screens according to sort_priority and title number
1085   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1086         compareTitleControlInfo);
1087
1088   // mark first title screen
1089   title_controls[0].first = TRUE;
1090 }
1091
1092 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1093 {
1094   return (pos != NULL && pos->x != -1 && pos->y != -1);
1095 }
1096
1097 static boolean visibleTextPos(struct TextPosInfo *pos)
1098 {
1099   return (pos != NULL && pos->x != -1 && pos->y != -1);
1100 }
1101
1102 static void InitializeMainControls(void)
1103 {
1104   boolean local_team_mode = (!network.enabled && setup.team_mode);
1105   int i;
1106
1107   // set main control text values to dynamically determined values
1108   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1109
1110   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1111                                          menu.main.text.first_level.size));
1112   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1113                                          menu.main.text.last_level.size));
1114   strcpy(main_text_level_number, int2str(level_nr,
1115                                          menu.main.text.level_number.size));
1116
1117   main_text_level_year          = leveldir_current->year;
1118   main_text_level_imported_from = leveldir_current->imported_from;
1119   main_text_level_imported_by   = leveldir_current->imported_by;
1120   main_text_level_tested_by     = leveldir_current->tested_by;
1121
1122   main_text_title_1 = getConfigProgramTitleString();
1123   main_text_title_2 = getConfigProgramCopyrightString();
1124   main_text_title_3 = getConfigProgramCompanyString();
1125
1126   // set main control screen positions to dynamically determined values
1127   for (i = 0; main_controls[i].nr != -1; i++)
1128   {
1129     struct MainControlInfo *mci = &main_controls[i];
1130     int nr                         = mci->nr;
1131     struct MenuPosInfo *pos_button = mci->pos_button;
1132     struct TextPosInfo *pos_text   = mci->pos_text;
1133     struct TextPosInfo *pos_input  = mci->pos_input;
1134     char *text                     = (mci->text  ? *mci->text  : NULL);
1135     char *input                    = (mci->input ? *mci->input : NULL);
1136     int button_graphic             = mci->button_graphic;
1137     int font_text                  = (pos_text  ? pos_text->font  : -1);
1138     int font_input                 = (pos_input ? pos_input->font : -1);
1139
1140     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1141     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1142     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1143     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1144     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1145     int input_chars = (input != NULL ? strlen(input) : 0);
1146
1147     int button_width =
1148       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1149     int button_height =
1150       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1151     int text_width   = font_text_width * text_chars;
1152     int text_height  = font_text_height;
1153     int input_width  = font_input_width * input_chars;
1154     int input_height = font_input_height;
1155
1156     if (nr == MAIN_CONTROL_NAME)
1157     {
1158       menu.main.input.name.width  = input_width;
1159       menu.main.input.name.height = input_height;
1160     }
1161
1162     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1163     {
1164       pos_button->width  = button_width;
1165       pos_button->height = button_height;
1166     }
1167
1168     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1169     {
1170       // calculate text size -- needed for text alignment
1171       boolean calculate_text_size = (text != NULL);
1172
1173       if (pos_text->width == -1 || calculate_text_size)
1174         pos_text->width = text_width;
1175       if (pos_text->height == -1 || calculate_text_size)
1176         pos_text->height = text_height;
1177
1178       if (visibleMenuPos(pos_button))
1179       {
1180         if (pos_text->x == -1)
1181           pos_text->x = pos_button->x + pos_button->width;
1182         if (pos_text->y == -1)
1183           pos_text->y =
1184             pos_button->y + (pos_button->height - pos_text->height) / 2;
1185       }
1186     }
1187
1188     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1189     {
1190       if (visibleTextPos(pos_text))
1191       {
1192         if (pos_input->x == -1)
1193           pos_input->x = pos_text->x + pos_text->width;
1194         if (pos_input->y == -1)
1195           pos_input->y = pos_text->y;
1196       }
1197
1198       if (pos_input->width == -1)
1199         pos_input->width = input_width;
1200       if (pos_input->height == -1)
1201         pos_input->height = input_height;
1202     }
1203   }
1204 }
1205
1206 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1207                                        int graphic, boolean pressed)
1208 {
1209   struct GraphicInfo *g = &graphic_info[graphic];
1210   Bitmap *src_bitmap;
1211   int src_x, src_y;
1212   int xoffset = (pressed ? g->pressed_xoffset : 0);
1213   int yoffset = (pressed ? g->pressed_yoffset : 0);
1214
1215   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1216
1217   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1218                    g->width, g->height, dst_x, dst_y);
1219 }
1220
1221 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1222                                        boolean active_input,
1223                                        boolean pressed_button)
1224 {
1225   int i;
1226
1227   for (i = 0; main_controls[i].nr != -1; i++)
1228   {
1229     struct MainControlInfo *mci = &main_controls[i];
1230
1231     if (mci->nr == nr || nr == -1)
1232     {
1233       struct MenuPosInfo *pos_button = mci->pos_button;
1234       struct TextPosInfo *pos_text   = mci->pos_text;
1235       struct TextPosInfo *pos_input  = mci->pos_input;
1236       char *text                     = (mci->text  ? *mci->text  : NULL);
1237       char *input                    = (mci->input ? *mci->input : NULL);
1238       int button_graphic             = mci->button_graphic;
1239       int font_text                  = (pos_text  ? pos_text->font  : -1);
1240       int font_input                 = (pos_input ? pos_input->font : -1);
1241
1242       if (active_text)
1243       {
1244         button_graphic = BUTTON_ACTIVE(button_graphic);
1245         font_text = FONT_ACTIVE(font_text);
1246       }
1247
1248       if (active_input)
1249       {
1250         font_input = FONT_ACTIVE(font_input);
1251       }
1252
1253       if (visibleMenuPos(pos_button))
1254       {
1255         struct MenuPosInfo *pos = pos_button;
1256         int x = mSX + pos->x;
1257         int y = mSY + pos->y;
1258
1259         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1260         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1261       }
1262
1263       if (visibleTextPos(pos_text) && text != NULL)
1264       {
1265         struct TextPosInfo *pos = pos_text;
1266         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1267         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1268
1269 #if 1
1270         // (check why/if this is needed)
1271         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1272 #endif
1273         DrawText(x, y, text, font_text);
1274       }
1275
1276       if (visibleTextPos(pos_input) && input != NULL)
1277       {
1278         struct TextPosInfo *pos = pos_input;
1279         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1280         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1281
1282 #if 1
1283         // (check why/if this is needed)
1284         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1285 #endif
1286         DrawText(x, y, input, font_input);
1287       }
1288     }
1289   }
1290 }
1291
1292 static void DrawCursorAndText_Main(int nr, boolean active_text,
1293                                    boolean pressed_button)
1294 {
1295   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1296 }
1297
1298 #if 0
1299 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1300                                          boolean pressed_button)
1301 {
1302   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1303 }
1304 #endif
1305
1306 static struct MainControlInfo *getMainControlInfo(int nr)
1307 {
1308   int i;
1309
1310   for (i = 0; main_controls[i].nr != -1; i++)
1311     if (main_controls[i].nr == nr)
1312       return &main_controls[i];
1313
1314   return NULL;
1315 }
1316
1317 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1318 {
1319   if (rect == NULL)
1320     return FALSE;
1321
1322   int rect_x = ALIGNED_TEXT_XPOS(rect);
1323   int rect_y = ALIGNED_TEXT_YPOS(rect);
1324
1325   return (x >= rect_x && x < rect_x + rect->width &&
1326           y >= rect_y && y < rect_y + rect->height);
1327 }
1328
1329 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1330 {
1331   if (rect == NULL)
1332     return FALSE;
1333
1334   int rect_x = ALIGNED_TEXT_XPOS(rect);
1335   int rect_y = ALIGNED_TEXT_YPOS(rect);
1336
1337 #if 0
1338   Debug("screens:insideTextPosRect",
1339         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1340         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1341         (x >= rect_x && x < rect_x + rect->width &&
1342          y >= rect_y && y < rect_y + rect->height));
1343 #endif
1344
1345   return (x >= rect_x && x < rect_x + rect->width &&
1346           y >= rect_y && y < rect_y + rect->height);
1347 }
1348
1349 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1350 {
1351   int rect_width  = preview->xsize * preview->tile_size;
1352   int rect_height = preview->ysize * preview->tile_size;
1353   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1354   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1355
1356   return (x >= rect_x && x < rect_x + rect_width &&
1357           y >= rect_y && y < rect_y + rect_height);
1358 }
1359
1360 static void AdjustScrollbar(int id, int items_max, int items_visible,
1361                             int item_position)
1362 {
1363   struct GadgetInfo *gi = screen_gadget[id];
1364
1365   if (item_position > items_max - items_visible)
1366     item_position = items_max - items_visible;
1367
1368   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1369                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1370                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1371 }
1372
1373 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1374 {
1375   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1376                   first_entry);
1377 }
1378
1379 static void clearMenuListArea(void)
1380 {
1381   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1382
1383   // correct scrollbar position if placed outside menu (playfield) area
1384   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1385     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1386
1387   // clear menu list area, but not title or scrollbar
1388   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1389                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1390 }
1391
1392 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1393 {
1394   static int cursor_array[MAX_LEV_FIELDY];
1395   int x = amSX + TILEX * xpos;
1396   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1397
1398   if (xpos == 0)
1399   {
1400     if (graphic != -1)
1401       cursor_array[ypos] = graphic;
1402     else
1403       graphic = cursor_array[ypos];
1404   }
1405
1406   if (active)
1407     graphic = BUTTON_ACTIVE(graphic);
1408
1409   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1410   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1411 }
1412
1413 static void initCursor(int ypos, int graphic)
1414 {
1415   drawCursorExt(0, ypos, FALSE, graphic);
1416 }
1417
1418 static void drawCursor(int ypos, boolean active)
1419 {
1420   drawCursorExt(0, ypos, active, -1);
1421 }
1422
1423 static void drawCursorXY(int xpos, int ypos, int graphic)
1424 {
1425   drawCursorExt(xpos, ypos, FALSE, graphic);
1426 }
1427
1428 static void drawChooseTreeCursor(int ypos, boolean active)
1429 {
1430   drawCursorExt(0, ypos, active, -1);
1431 }
1432
1433 static void DrawHeadline(void)
1434 {
1435   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1436   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1437 }
1438
1439 static void DrawTitleScreenImage(int nr, boolean initial)
1440 {
1441   int graphic = getTitleScreenGraphic(nr, initial);
1442   Bitmap *bitmap = graphic_info[graphic].bitmap;
1443   int width  = graphic_info[graphic].width;
1444   int height = graphic_info[graphic].height;
1445   int src_x = graphic_info[graphic].src_x;
1446   int src_y = graphic_info[graphic].src_y;
1447   int dst_x, dst_y;
1448
1449   if (bitmap == NULL)
1450     return;
1451
1452   if (width > WIN_XSIZE)
1453   {
1454     // image width too large for window => center image horizontally
1455     src_x = (width - WIN_XSIZE) / 2;
1456     width = WIN_XSIZE;
1457   }
1458
1459   if (height > WIN_YSIZE)
1460   {
1461     // image height too large for window => center image vertically
1462     src_y = (height - WIN_YSIZE) / 2;
1463     height = WIN_YSIZE;
1464   }
1465
1466   // always display title screens centered
1467   dst_x = (WIN_XSIZE - width) / 2;
1468   dst_y = (WIN_YSIZE - height) / 2;
1469
1470   SetDrawBackgroundMask(REDRAW_ALL);
1471   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1472
1473   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1474
1475   if (DrawingOnBackground(dst_x, dst_y))
1476     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1477   else
1478     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1479
1480   redraw_mask = REDRAW_ALL;
1481 }
1482
1483 static void DrawTitleScreenMessage(int nr, boolean initial)
1484 {
1485   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1486   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1487
1488   if (filename == NULL)
1489     return;
1490
1491   // force TITLE font on title message screen
1492   SetFontStatus(getTitleMessageGameMode(initial));
1493
1494   // if chars *and* width set to "-1", automatically determine width
1495   if (tmi->chars == -1 && tmi->width == -1)
1496     tmi->width = viewport.window[game_status].width;
1497
1498   // if lines *and* height set to "-1", automatically determine height
1499   if (tmi->lines == -1 && tmi->height == -1)
1500     tmi->height = viewport.window[game_status].height;
1501
1502   // if chars set to "-1", automatically determine by text and font width
1503   if (tmi->chars == -1)
1504     tmi->chars = tmi->width / getFontWidth(tmi->font);
1505   else
1506     tmi->width = tmi->chars * getFontWidth(tmi->font);
1507
1508   // if lines set to "-1", automatically determine by text and font height
1509   if (tmi->lines == -1)
1510     tmi->lines = tmi->height / getFontHeight(tmi->font);
1511   else
1512     tmi->height = tmi->lines * getFontHeight(tmi->font);
1513
1514   // if x set to "-1", automatically determine by width and alignment
1515   if (tmi->x == -1)
1516     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1517
1518   // if y set to "-1", automatically determine by height and alignment
1519   if (tmi->y == -1)
1520     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1521
1522   SetDrawBackgroundMask(REDRAW_ALL);
1523   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1524
1525   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1526
1527   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1528                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1529                tmi->autowrap, tmi->centered, tmi->parse_comments);
1530
1531   ResetFontStatus();
1532 }
1533
1534 static void DrawTitleScreen(void)
1535 {
1536   KeyboardAutoRepeatOff();
1537
1538   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1539 }
1540
1541 static boolean CheckTitleScreen(boolean levelset_has_changed)
1542 {
1543   static boolean show_title_initial = TRUE;
1544   boolean show_titlescreen = FALSE;
1545
1546   // needed to be able to skip title screen, if no image or message defined
1547   InitializeTitleControls(show_title_initial);
1548
1549   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1550     show_titlescreen = TRUE;
1551
1552   // show initial title images and messages only once at program start
1553   show_title_initial = FALSE;
1554
1555   return (show_titlescreen && num_title_screens > 0);
1556 }
1557
1558 void DrawMainMenu(void)
1559 {
1560   static LevelDirTree *leveldir_last_valid = NULL;
1561   boolean levelset_has_changed = FALSE;
1562   int fade_mask = REDRAW_FIELD;
1563
1564   LimitScreenUpdates(FALSE);
1565
1566   FadeSetLeaveScreen();
1567
1568   // do not fade out here -- function may continue and fade on editor screen
1569
1570   UnmapAllGadgets();
1571   FadeMenuSoundsAndMusic();
1572
1573   ExpireSoundLoops(FALSE);
1574
1575   KeyboardAutoRepeatOn();
1576
1577   audio.sound_deactivated = FALSE;
1578
1579   GetPlayerConfig();
1580
1581   // needed if last screen was the playing screen, invoked from level editor
1582   if (level_editor_test_game)
1583   {
1584     CloseDoor(DOOR_CLOSE_ALL);
1585
1586     SetGameStatus(GAME_MODE_EDITOR);
1587
1588     DrawLevelEd();
1589
1590     return;
1591   }
1592
1593   // leveldir_current may be invalid (level group, parent link)
1594   if (!validLevelSeries(leveldir_current))
1595     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1596
1597   if (leveldir_current != leveldir_last_valid)
1598     levelset_has_changed = TRUE;
1599
1600   // store valid level series information
1601   leveldir_last_valid = leveldir_current;
1602
1603   init_last = init;                     // switch to new busy animation
1604
1605   // needed if last screen (level choice) changed graphics, sounds or music
1606   ReloadCustomArtwork(0);
1607
1608   if (CheckTitleScreen(levelset_has_changed))
1609   {
1610     SetGameStatus(GAME_MODE_TITLE);
1611
1612     DrawTitleScreen();
1613
1614     return;
1615   }
1616
1617   if (redraw_mask & REDRAW_ALL)
1618     fade_mask = REDRAW_ALL;
1619
1620   if (CheckFadeAll())
1621     fade_mask = REDRAW_ALL;
1622
1623   FadeOut(fade_mask);
1624
1625   // needed if different viewport properties defined for menues
1626   ChangeViewportPropertiesIfNeeded();
1627
1628   SetDrawtoField(DRAW_TO_BACKBUFFER);
1629
1630   // level_nr may have been set to value over handicap with level editor
1631   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1632     level_nr = leveldir_current->handicap_level;
1633
1634   LoadLevel(level_nr);
1635   LoadScore(level_nr);
1636
1637   SaveLevelSetup_SeriesInfo();
1638
1639   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1640   SetDrawDeactivationMask(REDRAW_NONE);
1641   SetDrawBackgroundMask(REDRAW_FIELD);
1642
1643   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1644
1645 #if 0
1646   if (fade_mask == REDRAW_ALL)
1647     RedrawGlobalBorder();
1648 #endif
1649
1650   ClearField();
1651
1652   InitializeMainControls();
1653
1654   DrawCursorAndText_Main(-1, FALSE, FALSE);
1655   DrawPreviewLevelInitial();
1656   DrawNetworkPlayers();
1657
1658   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1659
1660   TapeStop();
1661   if (TAPE_IS_EMPTY(tape))
1662     LoadTape(level_nr);
1663   DrawCompleteVideoDisplay();
1664
1665   PlayMenuSoundsAndMusic();
1666
1667   // create gadgets for main menu screen
1668   FreeScreenGadgets();
1669   CreateScreenGadgets();
1670
1671   // may be required if audio buttons shown on tape and changed in setup menu
1672   FreeGameButtons();
1673   CreateGameButtons();
1674
1675   // map gadgets for main menu screen
1676   MapTapeButtons();
1677   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1678   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1679
1680   // copy actual game door content to door double buffer for OpenDoor()
1681   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1682   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1683
1684   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1685
1686   DrawMaskedBorder(fade_mask);
1687
1688   FadeIn(fade_mask);
1689   FadeSetEnterMenu();
1690
1691   // update screen area with special editor door
1692   redraw_mask |= REDRAW_ALL;
1693   BackToFront();
1694
1695   SetMouseCursor(CURSOR_DEFAULT);
1696
1697   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1698 }
1699
1700 static void gotoTopLevelDir(void)
1701 {
1702   // move upwards until inside (but not above) top level directory
1703   while (leveldir_current->node_parent &&
1704          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1705   {
1706     // write a "path" into level tree for easy navigation to last level
1707     if (leveldir_current->node_parent->node_group->cl_first == -1)
1708     {
1709       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1710       int leveldir_pos = posTreeInfo(leveldir_current);
1711       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1712       int cl_first, cl_cursor;
1713
1714       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1715       cl_cursor = leveldir_pos - cl_first;
1716
1717       leveldir_current->node_parent->node_group->cl_first = cl_first;
1718       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1719     }
1720
1721     leveldir_current = leveldir_current->node_parent;
1722   }
1723 }
1724
1725 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1726 {
1727   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1728
1729   return (use_frame_counter ? video.frame_counter : Counter());
1730 }
1731
1732 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1733                                      struct TitleFadingInfo *fi)
1734 {
1735   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1736 }
1737
1738 static void ResetTitleAutoDelay(unsigned int *counter_var,
1739                                 struct TitleFadingInfo *fi)
1740 {
1741   *counter_var = getAutoDelayCounter(fi);
1742 }
1743
1744 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1745 {
1746   static unsigned int title_delay = 0;
1747   static int title_screen_nr = 0;
1748   static int last_sound = -1, last_music = -1;
1749   boolean return_to_main_menu = FALSE;
1750   struct TitleControlInfo *tci;
1751   int sound, music;
1752
1753   if (button == MB_MENU_INITIALIZE)
1754   {
1755     title_delay = 0;
1756     title_screen_nr = 0;
1757     tci = &title_controls[title_screen_nr];
1758
1759     SetAnimStatus(getTitleAnimMode(tci));
1760
1761     last_sound = SND_UNDEFINED;
1762     last_music = MUS_UNDEFINED;
1763
1764     if (num_title_screens != 0)
1765     {
1766       FadeSetEnterScreen();
1767
1768       // use individual title fading instead of global "enter screen" fading
1769       fading = getTitleFading(tci);
1770     }
1771
1772     if (game_status_last_screen == GAME_MODE_INFO)
1773     {
1774       if (num_title_screens == 0)
1775       {
1776         // switch game mode from title screen mode back to info screen mode
1777         SetGameStatus(GAME_MODE_INFO);
1778
1779         // store that last screen was info screen, not main menu screen
1780         game_status_last_screen = GAME_MODE_INFO;
1781
1782         DrawInfoScreen_NotAvailable("Title screen information:",
1783                                     "No title screen for this level set.");
1784         return;
1785       }
1786     }
1787
1788     FadeMenuSoundsAndMusic();
1789
1790     FadeOut(REDRAW_ALL);
1791
1792     // title screens may have different window size
1793     ChangeViewportPropertiesIfNeeded();
1794
1795     // only required to update logic for redrawing global border
1796     ClearField();
1797
1798     if (tci->is_image)
1799       DrawTitleScreenImage(tci->local_nr, tci->initial);
1800     else
1801       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1802
1803     sound = getTitleSound(tci);
1804     music = getTitleMusic(tci);
1805
1806     if (sound != last_sound)
1807       PlayMenuSoundExt(sound);
1808     if (music != last_music)
1809       PlayMenuMusicExt(music);
1810
1811     last_sound = sound;
1812     last_music = music;
1813
1814     SetMouseCursor(CURSOR_NONE);
1815
1816     FadeIn(REDRAW_ALL);
1817
1818     ResetTitleAutoDelay(&title_delay, &fading);
1819
1820     return;
1821   }
1822
1823   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1824     button = MB_MENU_CHOICE;
1825
1826   if (button == MB_MENU_LEAVE)
1827   {
1828     return_to_main_menu = TRUE;
1829   }
1830   else if (button == MB_MENU_CHOICE)
1831   {
1832     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1833     {
1834       SetGameStatus(GAME_MODE_INFO);
1835
1836       info_mode = INFO_MODE_MAIN;
1837
1838       DrawInfoScreen();
1839
1840       return;
1841     }
1842
1843     title_screen_nr++;
1844
1845     if (title_screen_nr < num_title_screens)
1846     {
1847       tci = &title_controls[title_screen_nr];
1848
1849       SetAnimStatus(getTitleAnimMode(tci));
1850
1851       sound = getTitleSound(tci);
1852       music = getTitleMusic(tci);
1853
1854       if (last_sound != SND_UNDEFINED && sound != last_sound)
1855         FadeSound(last_sound);
1856       if (last_music != MUS_UNDEFINED && music != last_music)
1857         FadeMusic();
1858
1859       fading = getTitleFading(tci);
1860
1861       FadeOut(REDRAW_ALL);
1862
1863       if (tci->is_image)
1864         DrawTitleScreenImage(tci->local_nr, tci->initial);
1865       else
1866         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1867
1868       sound = getTitleSound(tci);
1869       music = getTitleMusic(tci);
1870
1871       if (sound != last_sound)
1872         PlayMenuSoundExt(sound);
1873       if (music != last_music)
1874         PlayMenuMusicExt(music);
1875
1876       last_sound = sound;
1877       last_music = music;
1878
1879       FadeIn(REDRAW_ALL);
1880
1881       ResetTitleAutoDelay(&title_delay, &fading);
1882     }
1883     else
1884     {
1885       FadeMenuSoundsAndMusic();
1886
1887       return_to_main_menu = TRUE;
1888     }
1889   }
1890
1891   if (return_to_main_menu)
1892   {
1893     SetMouseCursor(CURSOR_DEFAULT);
1894
1895     // force full menu screen redraw after displaying title screens
1896     redraw_mask = REDRAW_ALL;
1897
1898     if (game_status_last_screen == GAME_MODE_INFO)
1899     {
1900       SetGameStatus(GAME_MODE_INFO);
1901
1902       info_mode = INFO_MODE_MAIN;
1903
1904       DrawInfoScreen();
1905     }
1906     else        // default: return to main menu
1907     {
1908       SetGameStatus(GAME_MODE_MAIN);
1909
1910       DrawMainMenu();
1911     }
1912   }
1913 }
1914
1915 static void HandleMainMenu_SelectLevel(int step, int direction,
1916                                        int selected_level_nr)
1917 {
1918   int old_level_nr = level_nr;
1919   int new_level_nr;
1920
1921   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1922     new_level_nr = selected_level_nr;
1923   else
1924     new_level_nr = old_level_nr + step * direction;
1925
1926   if (new_level_nr < leveldir_current->first_level)
1927     new_level_nr = leveldir_current->first_level;
1928   if (new_level_nr > leveldir_current->last_level)
1929     new_level_nr = leveldir_current->last_level;
1930
1931   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1932   {
1933     // skipping levels is only allowed when trying to skip single level
1934     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1935         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1936     {
1937       leveldir_current->handicap_level++;
1938       SaveLevelSetup_SeriesInfo();
1939     }
1940
1941     new_level_nr = leveldir_current->handicap_level;
1942   }
1943
1944   if (new_level_nr != old_level_nr)
1945   {
1946     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1947
1948     PlaySound(SND_MENU_ITEM_SELECTING);
1949
1950     level_nr = new_level_nr;
1951
1952     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1953              int2str(level_nr, menu.main.text.level_number.size),
1954              mci->pos_text->font);
1955
1956     LoadLevel(level_nr);
1957     DrawPreviewLevelInitial();
1958
1959     TapeErase();
1960     LoadTape(level_nr);
1961     DrawCompleteVideoDisplay();
1962
1963     SaveLevelSetup_SeriesInfo();
1964
1965     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1966
1967     // force redraw of playfield area (may be reset at this point)
1968     redraw_mask |= REDRAW_FIELD;
1969   }
1970 }
1971
1972 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1973 {
1974   static int choice = MAIN_CONTROL_GAME;
1975   static boolean button_pressed_last = FALSE;
1976   boolean button_pressed = FALSE;
1977   int pos = choice;
1978   int i = 0;    // needed to prevent compiler warning due to bad code below
1979
1980   if (button == MB_MENU_INITIALIZE)
1981   {
1982     DrawCursorAndText_Main(choice, TRUE, FALSE);
1983
1984     return;
1985   }
1986
1987   if (mx || my)         // mouse input
1988   {
1989     pos = -1;
1990
1991     for (i = 0; main_controls[i].nr != -1; i++)
1992     {
1993       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1994           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1995           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1996       {
1997         pos = main_controls[i].nr;
1998
1999         break;
2000       }
2001     }
2002
2003     // check if level preview was clicked
2004     if (insidePreviewRect(&preview, mx - SX, my - SY))
2005       pos = MAIN_CONTROL_GAME;
2006
2007     // handle pressed/unpressed state for active/inactive menu buttons
2008     // (if pos != -1, "i" contains index position corresponding to "pos")
2009     if (button &&
2010         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2011         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2012       button_pressed = TRUE;
2013
2014     if (button_pressed != button_pressed_last)
2015     {
2016       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2017
2018       if (button_pressed)
2019         PlaySound(SND_MENU_BUTTON_PRESSING);
2020       else
2021         PlaySound(SND_MENU_BUTTON_RELEASING);
2022     }
2023   }
2024   else if (dx || dy)    // keyboard input
2025   {
2026     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2027                    choice == MAIN_CONTROL_SETUP))
2028       button = MB_MENU_CHOICE;
2029     else if (dy)
2030       pos = choice + dy;
2031   }
2032
2033   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2034   {
2035     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2036   }
2037   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2038   {
2039     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2040   }
2041   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2042   {
2043     CloseDoor(DOOR_CLOSE_2);
2044
2045     SetGameStatus(GAME_MODE_LEVELNR);
2046
2047     DrawChooseLevelNr();
2048   }
2049   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2050   {
2051     if (button)
2052     {
2053       if (pos != choice)
2054       {
2055         PlaySound(SND_MENU_ITEM_ACTIVATING);
2056
2057         DrawCursorAndText_Main(choice, FALSE, FALSE);
2058         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2059
2060         choice = pos;
2061       }
2062       else if (dx != 0)
2063       {
2064         if (choice != MAIN_CONTROL_INFO &&
2065             choice != MAIN_CONTROL_SETUP)
2066           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2067       }
2068     }
2069     else
2070     {
2071       PlaySound(SND_MENU_ITEM_SELECTING);
2072
2073       if (pos == MAIN_CONTROL_NAME)
2074       {
2075         if ((mx || my) &&
2076             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2077         {
2078           // special case: menu text "name/team" clicked -- toggle team mode
2079           setup.team_mode = !setup.team_mode;
2080
2081           InitializeMainControls();
2082           DrawCursorAndText_Main(choice, TRUE, FALSE);
2083
2084           DrawPreviewPlayers();
2085         }
2086         else
2087         {
2088           if (0 && setup.multiple_users)        // (not used yet)
2089           {
2090             CloseDoor(DOOR_CLOSE_2);
2091
2092             SetGameStatus(GAME_MODE_NAMES);
2093
2094             DrawChoosePlayerName();
2095           }
2096           else
2097           {
2098             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2099
2100             DrawTypeName();
2101           }
2102         }
2103       }
2104       else if (pos == MAIN_CONTROL_LEVELS)
2105       {
2106         if (leveldir_first)
2107         {
2108           CloseDoor(DOOR_CLOSE_2);
2109
2110           SetGameStatus(GAME_MODE_LEVELS);
2111
2112           SaveLevelSetup_LastSeries();
2113           SaveLevelSetup_SeriesInfo();
2114
2115           if (setup.internal.choose_from_top_leveldir)
2116             gotoTopLevelDir();
2117
2118           DrawChooseLevelSet();
2119         }
2120       }
2121       else if (pos == MAIN_CONTROL_SCORES)
2122       {
2123         CloseDoor(DOOR_CLOSE_2);
2124
2125         SetGameStatus(GAME_MODE_SCORES);
2126
2127         DrawHallOfFame(level_nr, -1);
2128       }
2129       else if (pos == MAIN_CONTROL_EDITOR)
2130       {
2131         if (leveldir_current->readonly &&
2132             !strEqual(setup.player_name, "Artsoft"))
2133           Request("This level is read only!", REQ_CONFIRM);
2134
2135         CloseDoor(DOOR_CLOSE_2);
2136
2137         SetGameStatus(GAME_MODE_EDITOR);
2138
2139         FadeSetEnterScreen();
2140
2141         DrawLevelEd();
2142       }
2143       else if (pos == MAIN_CONTROL_INFO)
2144       {
2145         CloseDoor(DOOR_CLOSE_2);
2146
2147         SetGameStatus(GAME_MODE_INFO);
2148
2149         info_mode = INFO_MODE_MAIN;
2150
2151         DrawInfoScreen();
2152       }
2153       else if (pos == MAIN_CONTROL_GAME)
2154       {
2155         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2156       }
2157       else if (pos == MAIN_CONTROL_SETUP)
2158       {
2159         CloseDoor(DOOR_CLOSE_2);
2160
2161         SetGameStatus(GAME_MODE_SETUP);
2162
2163         setup_mode = SETUP_MODE_MAIN;
2164
2165         DrawSetupScreen();
2166       }
2167       else if (pos == MAIN_CONTROL_QUIT)
2168       {
2169         SaveLevelSetup_LastSeries();
2170         SaveLevelSetup_SeriesInfo();
2171
2172         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2173           SetGameStatus(GAME_MODE_QUIT);
2174       }
2175     }
2176   }
2177
2178   button_pressed_last = button_pressed;
2179 }
2180
2181
2182 // ============================================================================
2183 // info screen functions
2184 // ============================================================================
2185
2186 static struct TokenInfo *info_info;
2187 static int num_info_info;       // number of info entries shown on screen
2188 static int max_info_info;       // total number of info entries in list
2189
2190 static void execInfoTitleScreen(void)
2191 {
2192   info_mode = INFO_MODE_TITLE;
2193
2194   DrawInfoScreen();
2195 }
2196
2197 static void execInfoElements(void)
2198 {
2199   info_mode = INFO_MODE_ELEMENTS;
2200
2201   DrawInfoScreen();
2202 }
2203
2204 static void execInfoMusic(void)
2205 {
2206   info_mode = INFO_MODE_MUSIC;
2207
2208   DrawInfoScreen();
2209 }
2210
2211 static void execInfoCredits(void)
2212 {
2213   info_mode = INFO_MODE_CREDITS;
2214
2215   DrawInfoScreen();
2216 }
2217
2218 static void execInfoProgram(void)
2219 {
2220   info_mode = INFO_MODE_PROGRAM;
2221
2222   DrawInfoScreen();
2223 }
2224
2225 static void execInfoVersion(void)
2226 {
2227   info_mode = INFO_MODE_VERSION;
2228
2229   DrawInfoScreen();
2230 }
2231
2232 static void execInfoLevelSet(void)
2233 {
2234   info_mode = INFO_MODE_LEVELSET;
2235
2236   DrawInfoScreen();
2237 }
2238
2239 static void execExitInfo(void)
2240 {
2241   SetGameStatus(GAME_MODE_MAIN);
2242
2243   DrawMainMenu();
2244 }
2245
2246 static struct TokenInfo info_info_main[] =
2247 {
2248   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2249   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2250   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2251   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2252   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2253   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2254   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2255   { TYPE_EMPTY,         NULL,                   ""                      },
2256   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2257
2258   { 0,                  NULL,                   NULL                    }
2259 };
2260
2261 static int getMenuTextFont(int type)
2262 {
2263   if (type & (TYPE_SWITCH       |
2264               TYPE_YES_NO       |
2265               TYPE_YES_NO_AUTO  |
2266               TYPE_STRING       |
2267               TYPE_PLAYER       |
2268               TYPE_ECS_AGA      |
2269               TYPE_KEYTEXT      |
2270               TYPE_ENTER_LIST   |
2271               TYPE_TEXT_INPUT))
2272     return FONT_MENU_2;
2273   else
2274     return FONT_MENU_1;
2275 }
2276
2277 static struct TokenInfo *setup_info;
2278 static struct TokenInfo setup_info_input[];
2279
2280 static struct TokenInfo *menu_info;
2281
2282 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2283                                        int screen_pos, int menu_info_pos_raw,
2284                                        boolean active)
2285 {
2286   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2287   struct TokenInfo *ti = &token_info[pos];
2288   int xpos = MENU_SCREEN_START_XPOS;
2289   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2290   int font_nr = getMenuTextFont(ti->type);
2291
2292   if (setup_mode == SETUP_MODE_INPUT)
2293     font_nr = FONT_MENU_1;
2294
2295   if (active)
2296     font_nr = FONT_ACTIVE(font_nr);
2297
2298   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2299
2300   if (ti->type & ~TYPE_SKIP_ENTRY)
2301     drawCursor(screen_pos, active);
2302 }
2303
2304 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2305                                    boolean active)
2306 {
2307   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2308 }
2309
2310 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2311                                     boolean active)
2312 {
2313   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2314 }
2315
2316 static char *window_size_text;
2317 static char *scaling_type_text;
2318 static char *network_server_text;
2319
2320 static void drawSetupValue(int, int);
2321
2322 static void drawMenuInfoList(int first_entry, int num_page_entries,
2323                              int max_page_entries)
2324 {
2325   int i;
2326
2327   if (first_entry + num_page_entries > max_page_entries)
2328     first_entry = 0;
2329
2330   clearMenuListArea();
2331
2332   for (i = 0; i < num_page_entries; i++)
2333   {
2334     int menu_info_pos = first_entry + i;
2335     struct TokenInfo *si = &menu_info[menu_info_pos];
2336     void *value_ptr = si->value;
2337
2338     // set some entries to "unchangeable" according to other variables
2339     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2340         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2341         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2342         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2343         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2344         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2345       si->type |= TYPE_GHOSTED;
2346
2347     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2348       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2349     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2350       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2351     else if (si->type & ~TYPE_SKIP_ENTRY)
2352       initCursor(i, IMG_MENU_BUTTON);
2353
2354     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2355
2356     if (si->type & TYPE_STRING)
2357     {
2358       int gadget_id = -1;
2359
2360       if (value_ptr == &network_server_text)
2361         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2362
2363       if (gadget_id != -1)
2364       {
2365         struct GadgetInfo *gi = screen_gadget[gadget_id];
2366         int xpos = MENU_SCREEN_START_XPOS;
2367         int ypos = MENU_SCREEN_START_YPOS + i;
2368         int x = mSX + xpos * 32;
2369         int y = mSY + ypos * 32;
2370
2371         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2372       }
2373     }
2374
2375     if (si->type & TYPE_VALUE &&
2376         menu_info == setup_info)
2377       drawSetupValue(i, menu_info_pos);
2378   }
2379 }
2380
2381 static void DrawInfoScreen_Main(void)
2382 {
2383   int fade_mask = REDRAW_FIELD;
2384   int i;
2385
2386   if (redraw_mask & REDRAW_ALL)
2387     fade_mask = REDRAW_ALL;
2388
2389   if (CheckFadeAll())
2390     fade_mask = REDRAW_ALL;
2391
2392   UnmapAllGadgets();
2393   FadeMenuSoundsAndMusic();
2394
2395   FreeScreenGadgets();
2396   CreateScreenGadgets();
2397
2398   // (needed after displaying title screens which disable auto repeat)
2399   KeyboardAutoRepeatOn();
2400
2401   FadeSetLeaveScreen();
2402
2403   FadeOut(fade_mask);
2404
2405   // needed if different viewport properties defined for info screen
2406   ChangeViewportPropertiesIfNeeded();
2407
2408   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2409
2410   ClearField();
2411
2412   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2413
2414   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2415
2416   info_info = info_info_main;
2417
2418   // determine maximal number of info entries that can be displayed on screen
2419   num_info_info = 0;
2420   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2421     num_info_info++;
2422
2423   // determine maximal number of info entries available for menu of info screen
2424   max_info_info = 0;
2425   for (i = 0; info_info[i].type != 0; i++)
2426     max_info_info++;
2427
2428   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2429
2430   MapScreenGadgets(max_info_info);
2431
2432   PlayMenuSoundsAndMusic();
2433
2434   DrawMaskedBorder(fade_mask);
2435
2436   FadeIn(fade_mask);
2437 }
2438
2439 static void changeSetupValue(int, int, int);
2440
2441 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2442                              int mode, int num_page_entries,
2443                              int max_page_entries)
2444 {
2445   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2446   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2447   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2448   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2449   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2450   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2451   int *num_page_entries_last = num_page_entries_all_last[game_status];
2452   int *choice_store = choice_stores[game_status];
2453   int *first_entry_store = first_entry_stores[game_status];
2454   int choice = choice_store[mode];              // starts with 0
2455   int first_entry = first_entry_store[mode];    // starts with 0
2456   int x = 0;
2457   int y = choice - first_entry;
2458   int y_old = y;
2459   boolean position_set_by_scrollbar = (dx == 999);
2460   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2461   int i;
2462
2463   if (button == MB_MENU_INITIALIZE)
2464   {
2465     // check if number of menu page entries has changed (may happen by change
2466     // of custom artwork definition value for 'list_size' for this menu screen)
2467     // (in this case, the last menu position most probably has to be corrected)
2468     if (num_page_entries != num_page_entries_last[mode])
2469     {
2470       choice_store[mode] = first_entry_store[mode] = 0;
2471
2472       choice = first_entry = 0;
2473       y = y_old = 0;
2474
2475       num_page_entries_last[mode] = num_page_entries;
2476     }
2477
2478     // advance to first valid menu entry
2479     while (choice < num_page_entries &&
2480            menu_info[choice].type & TYPE_SKIP_ENTRY)
2481       choice++;
2482
2483     if (position_set_by_scrollbar)
2484       first_entry = first_entry_store[mode] = dy;
2485     else
2486       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2487                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2488
2489     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2490
2491     if (choice < first_entry)
2492     {
2493       choice = first_entry;
2494
2495       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2496         choice++;
2497     }
2498     else if (choice > first_entry + num_page_entries - 1)
2499     {
2500       choice = first_entry + num_page_entries - 1;
2501
2502       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2503         choice--;
2504     }
2505
2506     choice_store[mode] = choice;
2507
2508     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2509
2510     return;
2511   }
2512   else if (button == MB_MENU_LEAVE)
2513   {
2514     PlaySound(SND_MENU_ITEM_SELECTING);
2515
2516     for (i = 0; i < max_page_entries; i++)
2517     {
2518       if (menu_info[i].type & TYPE_LEAVE_MENU)
2519       {
2520         void (*menu_callback_function)(void) = menu_info[i].value;
2521
2522         FadeSetLeaveMenu();
2523
2524         menu_callback_function();
2525
2526         break;  // absolutely needed because function changes 'menu_info'!
2527       }
2528     }
2529
2530     return;
2531   }
2532
2533   if (mx || my)         // mouse input
2534   {
2535     x = (mx - mSX) / 32;
2536     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2537   }
2538   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2539   {
2540     // move cursor instead of scrolling when already at start/end of list
2541     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2542       dy = -1;
2543     else if (dy == +1 * SCROLL_LINE &&
2544              first_entry + num_page_entries == max_page_entries)
2545       dy = 1;
2546
2547     // handle scrolling screen one line or page
2548     if (y + dy < 0 ||
2549         y + dy > num_page_entries - 1)
2550     {
2551       boolean redraw = FALSE;
2552
2553       if (ABS(dy) == SCROLL_PAGE)
2554         step = num_page_entries - 1;
2555
2556       if (dy < 0 && first_entry > 0)
2557       {
2558         // scroll page/line up
2559
2560         first_entry -= step;
2561         if (first_entry < 0)
2562           first_entry = 0;
2563
2564         redraw = TRUE;
2565       }
2566       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2567       {
2568         // scroll page/line down
2569
2570         first_entry += step;
2571         if (first_entry + num_page_entries > max_page_entries)
2572           first_entry = MAX(0, max_page_entries - num_page_entries);
2573
2574         redraw = TRUE;
2575       }
2576
2577       if (redraw)
2578       {
2579         choice += first_entry - first_entry_store[mode];
2580
2581         if (choice < first_entry)
2582         {
2583           choice = first_entry;
2584
2585           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2586             choice++;
2587         }
2588         else if (choice > first_entry + num_page_entries - 1)
2589         {
2590           choice = first_entry + num_page_entries - 1;
2591
2592           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2593             choice--;
2594         }
2595         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2596         {
2597           choice += SIGN(dy);
2598
2599           if (choice < first_entry ||
2600               choice > first_entry + num_page_entries - 1)
2601           first_entry += SIGN(dy);
2602         }
2603
2604         first_entry_store[mode] = first_entry;
2605         choice_store[mode] = choice;
2606
2607         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2608
2609         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2610
2611         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2612                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2613       }
2614
2615       return;
2616     }
2617
2618     if (dx)
2619     {
2620       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2621
2622       if (menu_info[choice].type & menu_navigation_type ||
2623           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2624           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2625           menu_info[choice].type & TYPE_PLAYER)
2626         button = MB_MENU_CHOICE;
2627     }
2628     else if (dy)
2629       y += dy;
2630
2631     // jump to next non-empty menu entry (up or down)
2632     while (first_entry + y > 0 &&
2633            first_entry + y < max_page_entries - 1 &&
2634            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2635       y += dy;
2636
2637     if (!IN_VIS_MENU(x, y))
2638     {
2639       choice += y - y_old;
2640
2641       if (choice < first_entry)
2642         first_entry = choice;
2643       else if (choice > first_entry + num_page_entries - 1)
2644         first_entry = choice - num_page_entries + 1;
2645
2646       if (first_entry >= 0 &&
2647           first_entry + num_page_entries <= max_page_entries)
2648       {
2649         first_entry_store[mode] = first_entry;
2650
2651         if (choice < first_entry)
2652           choice = first_entry;
2653         else if (choice > first_entry + num_page_entries - 1)
2654           choice = first_entry + num_page_entries - 1;
2655
2656         choice_store[mode] = choice;
2657
2658         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2659
2660         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2661
2662         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2663                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2664       }
2665
2666       return;
2667     }
2668   }
2669
2670   if (!anyScrollbarGadgetActive() &&
2671       IN_VIS_MENU(x, y) &&
2672       mx < mx_right_border &&
2673       y >= 0 && y < num_page_entries)
2674   {
2675     if (button)
2676     {
2677       if (first_entry + y != choice &&
2678           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2679       {
2680         PlaySound(SND_MENU_ITEM_ACTIVATING);
2681
2682         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2683         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2684
2685         choice = choice_store[mode] = first_entry + y;
2686       }
2687       else if (dx < 0)
2688       {
2689         PlaySound(SND_MENU_ITEM_SELECTING);
2690
2691         for (i = 0; menu_info[i].type != 0; i++)
2692         {
2693           if (menu_info[i].type & TYPE_LEAVE_MENU)
2694           {
2695             void (*menu_callback_function)(void) = menu_info[i].value;
2696
2697             FadeSetLeaveMenu();
2698
2699             menu_callback_function();
2700
2701             // absolutely needed because function changes 'menu_info'!
2702             break;
2703           }
2704         }
2705
2706         return;
2707       }
2708     }
2709     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2710     {
2711       PlaySound(SND_MENU_ITEM_SELECTING);
2712
2713       // when selecting key headline, execute function for key value change
2714       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2715           menu_info[first_entry + y + 1].type & TYPE_KEY)
2716         y++;
2717
2718       // when selecting string value, execute function for list selection
2719       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2720           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2721         y--;
2722
2723       // when selecting string value, execute function for text input gadget
2724       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2725           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2726         y--;
2727
2728       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2729       {
2730         void (*menu_callback_function)(void) =
2731           menu_info[first_entry + y].value;
2732
2733         FadeSetFromType(menu_info[first_entry + y].type);
2734
2735         menu_callback_function();
2736       }
2737       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2738       {
2739         void (*gadget_callback_function)(void) =
2740           menu_info[first_entry + y].value;
2741
2742         gadget_callback_function();
2743       }
2744       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2745                menu_info == setup_info)
2746       {
2747         changeSetupValue(y, first_entry + y, dx);
2748       }
2749     }
2750   }
2751 }
2752
2753 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2754 {
2755   menu_info = info_info;
2756
2757   HandleMenuScreen(mx, my, dx, dy, button,
2758                    info_mode, num_info_info, max_info_info);
2759 }
2760
2761 static int getMenuFontSpacing(int spacing_height, int font_nr)
2762 {
2763   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2764
2765   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2766           spacing_height);
2767 }
2768
2769 static int getMenuTextSpacing(int spacing_height, int font_nr)
2770 {
2771   return (getMenuFontSpacing(spacing_height, font_nr) +
2772           EXTRA_SPACING(game_status));
2773 }
2774
2775 static int getMenuTextStep(int spacing_height, int font_nr)
2776 {
2777   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2778 }
2779
2780 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2781 {
2782   int font_title = MENU_INFO_FONT_TITLE;
2783   int font_error = FONT_TEXT_2;
2784   int font_foot  = MENU_INFO_FONT_FOOT;
2785   int spacing_title = menu.headline1_spacing_info[info_mode];
2786   int ystep_title = getMenuTextStep(spacing_title, font_title);
2787   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2788   int ystart2 = ystart1 + ystep_title;
2789   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2790
2791   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2792
2793   FadeOut(REDRAW_FIELD);
2794
2795   ClearField();
2796   DrawHeadline();
2797
2798   DrawTextSCentered(ystart1, font_title, text_title);
2799   DrawTextSCentered(ystart2, font_error, text_error);
2800
2801   DrawTextSCentered(ybottom, font_foot,
2802                     "Press any key or button for info menu");
2803
2804   FadeIn(REDRAW_FIELD);
2805 }
2806
2807 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2808 {
2809   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2810   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2811   int font_title = MENU_INFO_FONT_TITLE;
2812   int font_foot  = MENU_INFO_FONT_FOOT;
2813   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2814   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2815   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2816   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2817   int ystep = MENU_SCREEN_INFO_YSTEP;
2818   int element, action, direction;
2819   int graphic;
2820   int delay;
2821   int sync_frame;
2822   int i, j;
2823
2824   if (init)
2825   {
2826     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2827       infoscreen_step[i] = infoscreen_frame[i] = 0;
2828
2829     ClearField();
2830     DrawHeadline();
2831
2832     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2833
2834     DrawTextSCentered(ybottom, font_foot,
2835                       "Press any key or button for next page");
2836
2837     FrameCounter = 0;
2838   }
2839
2840   i = j = 0;
2841   while (helpanim_info[j].element != HELPANIM_LIST_END)
2842   {
2843     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2844         i >= max_anims)
2845       break;
2846     else if (i < start)
2847     {
2848       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2849         j++;
2850
2851       j++;
2852       i++;
2853
2854       continue;
2855     }
2856
2857     j += infoscreen_step[i - start];
2858
2859     element = helpanim_info[j].element;
2860     action = helpanim_info[j].action;
2861     direction = helpanim_info[j].direction;
2862
2863     if (element < 0)
2864       element = EL_UNKNOWN;
2865
2866     if (action != -1 && direction != -1)
2867       graphic = el_act_dir2img(element, action, direction);
2868     else if (action != -1)
2869       graphic = el_act2img(element, action);
2870     else if (direction != -1)
2871       graphic = el_dir2img(element, direction);
2872     else
2873       graphic = el2img(element);
2874
2875     delay = helpanim_info[j++].delay;
2876
2877     if (delay == -1)
2878       delay = 1000000;
2879
2880     if (infoscreen_frame[i - start] == 0)
2881     {
2882       sync_frame = 0;
2883       infoscreen_frame[i - start] = delay - 1;
2884     }
2885     else
2886     {
2887       sync_frame = delay - infoscreen_frame[i - start];
2888       infoscreen_frame[i - start]--;
2889     }
2890
2891     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2892     {
2893       if (!infoscreen_frame[i - start])
2894         infoscreen_step[i - start] = 0;
2895     }
2896     else
2897     {
2898       if (!infoscreen_frame[i - start])
2899         infoscreen_step[i - start]++;
2900       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2901         j++;
2902     }
2903
2904     j++;
2905
2906     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2907                                TILEX, TILEY);
2908     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2909                                  graphic, sync_frame, USE_MASKING);
2910
2911     if (init)
2912       DrawInfoScreen_HelpText(element, action, direction, i - start);
2913
2914     i++;
2915   }
2916
2917   redraw_mask |= REDRAW_FIELD;
2918
2919   FrameCounter++;
2920 }
2921
2922 static char *getHelpText(int element, int action, int direction)
2923 {
2924   char token[MAX_LINE_LEN];
2925
2926   strcpy(token, element_info[element].token_name);
2927
2928   if (action != -1)
2929     strcat(token, element_action_info[action].suffix);
2930
2931   if (direction != -1)
2932     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2933
2934   return getHashEntry(helptext_info, token);
2935 }
2936
2937 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2938 {
2939   int font_nr = FONT_INFO_ELEMENTS;
2940   int font_width = getFontWidth(font_nr);
2941   int font_height = getFontHeight(font_nr);
2942   int yoffset = (TILEX - 2 * font_height) / 2;
2943   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2944   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2945   int ystep = TILEY + 4;
2946   int pad_left = xstart - SX;
2947   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2948   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2949   int max_lines_per_text = 2;
2950   char *text = NULL;
2951
2952   if (action != -1 && direction != -1)          // element.action.direction
2953     text = getHelpText(element, action, direction);
2954
2955   if (text == NULL && action != -1)             // element.action
2956     text = getHelpText(element, action, -1);
2957
2958   if (text == NULL && direction != -1)          // element.direction
2959     text = getHelpText(element, -1, direction);
2960
2961   if (text == NULL)                             // base element
2962     text = getHelpText(element, -1, -1);
2963
2964   if (text == NULL)                             // not found
2965     text = "No description available";
2966
2967   if (strlen(text) <= max_chars_per_line)       // only one line of text
2968     ystart += getFontHeight(font_nr) / 2;
2969
2970   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2971                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2972                  TRUE, FALSE, FALSE);
2973 }
2974
2975 static void DrawInfoScreen_TitleScreen(void)
2976 {
2977   SetGameStatus(GAME_MODE_TITLE);
2978
2979   DrawTitleScreen();
2980 }
2981
2982 void HandleInfoScreen_TitleScreen(int button)
2983 {
2984   HandleTitleScreen(0, 0, 0, 0, button);
2985 }
2986
2987 static void DrawInfoScreen_Elements(void)
2988 {
2989   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2990
2991   FadeOut(REDRAW_FIELD);
2992
2993   LoadHelpAnimInfo();
2994   LoadHelpTextInfo();
2995
2996   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2997
2998   FadeIn(REDRAW_FIELD);
2999 }
3000
3001 void HandleInfoScreen_Elements(int button)
3002 {
3003   static unsigned int info_delay = 0;
3004   static int num_anims;
3005   static int num_pages;
3006   static int page;
3007   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3008   int i;
3009
3010   if (button == MB_MENU_INITIALIZE)
3011   {
3012     boolean new_element = TRUE;
3013
3014     num_anims = 0;
3015
3016     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3017     {
3018       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3019         new_element = TRUE;
3020       else if (new_element)
3021       {
3022         num_anims++;
3023         new_element = FALSE;
3024       }
3025     }
3026
3027     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3028     page = 0;
3029   }
3030
3031   if (button == MB_MENU_LEAVE)
3032   {
3033     PlaySound(SND_MENU_ITEM_SELECTING);
3034
3035     info_mode = INFO_MODE_MAIN;
3036     DrawInfoScreen();
3037
3038     return;
3039   }
3040   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3041   {
3042     if (button != MB_MENU_INITIALIZE)
3043     {
3044       PlaySound(SND_MENU_ITEM_SELECTING);
3045
3046       page++;
3047     }
3048
3049     if (page >= num_pages)
3050     {
3051       FadeMenuSoundsAndMusic();
3052
3053       info_mode = INFO_MODE_MAIN;
3054       DrawInfoScreen();
3055
3056       return;
3057     }
3058
3059     if (page > 0)
3060       FadeSetNextScreen();
3061
3062     if (button != MB_MENU_INITIALIZE)
3063       FadeOut(REDRAW_FIELD);
3064
3065     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3066
3067     if (button != MB_MENU_INITIALIZE)
3068       FadeIn(REDRAW_FIELD);
3069   }
3070   else
3071   {
3072     if (DelayReached(&info_delay, GameFrameDelay))
3073       if (page < num_pages)
3074         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3075
3076     PlayMenuSoundIfLoop();
3077   }
3078 }
3079
3080 static void DrawInfoScreen_Music(void)
3081 {
3082   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3083
3084   FadeOut(REDRAW_FIELD);
3085
3086   ClearField();
3087   DrawHeadline();
3088
3089   LoadMusicInfo();
3090
3091   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3092
3093   FadeIn(REDRAW_FIELD);
3094 }
3095
3096 void HandleInfoScreen_Music(int button)
3097 {
3098   static struct MusicFileInfo *list = NULL;
3099   int font_title = MENU_INFO_FONT_TITLE;
3100   int font_head  = MENU_INFO_FONT_HEAD;
3101   int font_text  = MENU_INFO_FONT_TEXT;
3102   int font_foot  = MENU_INFO_FONT_FOOT;
3103   int spacing_title = menu.headline1_spacing_info[info_mode];
3104   int spacing_head  = menu.headline2_spacing_info[info_mode];
3105   int ystep_title = getMenuTextStep(spacing_title, font_title);
3106   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3107   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3108   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3109
3110   if (button == MB_MENU_INITIALIZE)
3111   {
3112     list = music_file_info;
3113
3114     if (list == NULL)
3115     {
3116       FadeMenuSoundsAndMusic();
3117
3118       ClearField();
3119       DrawHeadline();
3120
3121       DrawTextSCentered(ystart, font_title,
3122                         "No music info for this level set.");
3123
3124       DrawTextSCentered(ybottom, font_foot,
3125                         "Press any key or button for info menu");
3126
3127       return;
3128     }
3129   }
3130
3131   if (button == MB_MENU_LEAVE)
3132   {
3133     PlaySound(SND_MENU_ITEM_SELECTING);
3134
3135     FadeMenuSoundsAndMusic();
3136
3137     info_mode = INFO_MODE_MAIN;
3138     DrawInfoScreen();
3139
3140     return;
3141   }
3142   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3143   {
3144     if (button != MB_MENU_INITIALIZE)
3145     {
3146       PlaySound(SND_MENU_ITEM_SELECTING);
3147
3148       if (list != NULL)
3149         list = list->next;
3150     }
3151
3152     if (list == NULL)
3153     {
3154       FadeMenuSoundsAndMusic();
3155
3156       info_mode = INFO_MODE_MAIN;
3157       DrawInfoScreen();
3158
3159       return;
3160     }
3161
3162     FadeMenuSoundsAndMusic();
3163
3164     if (list != music_file_info)
3165       FadeSetNextScreen();
3166
3167     if (button != MB_MENU_INITIALIZE)
3168       FadeOut(REDRAW_FIELD);
3169
3170     ClearField();
3171     DrawHeadline();
3172
3173     if (list->is_sound)
3174     {
3175       int sound = list->music;
3176
3177       if (sound_info[sound].loop)
3178         PlaySoundLoop(sound);
3179       else
3180         PlaySound(sound);
3181
3182       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3183     }
3184     else
3185     {
3186       int music = list->music;
3187
3188       if (music_info[music].loop)
3189         PlayMusicLoop(music);
3190       else
3191         PlayMusic(music);
3192
3193       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3194     }
3195
3196     ystart += ystep_title;
3197
3198     if (!strEqual(list->title, UNKNOWN_NAME))
3199     {
3200       if (!strEqual(list->title_header, UNKNOWN_NAME))
3201       {
3202         DrawTextSCentered(ystart, font_head, list->title_header);
3203         ystart += ystep_head;
3204       }
3205
3206       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3207       ystart += ystep_head;
3208     }
3209
3210     if (!strEqual(list->artist, UNKNOWN_NAME))
3211     {
3212       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3213         DrawTextSCentered(ystart, font_head, list->artist_header);
3214       else
3215         DrawTextSCentered(ystart, font_head, "by");
3216
3217       ystart += ystep_head;
3218
3219       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3220       ystart += ystep_head;
3221     }
3222
3223     if (!strEqual(list->album, UNKNOWN_NAME))
3224     {
3225       if (!strEqual(list->album_header, UNKNOWN_NAME))
3226         DrawTextSCentered(ystart, font_head, list->album_header);
3227       else
3228         DrawTextSCentered(ystart, font_head, "from the album");
3229
3230       ystart += ystep_head;
3231
3232       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3233       ystart += ystep_head;
3234     }
3235
3236     if (!strEqual(list->year, UNKNOWN_NAME))
3237     {
3238       if (!strEqual(list->year_header, UNKNOWN_NAME))
3239         DrawTextSCentered(ystart, font_head, list->year_header);
3240       else
3241         DrawTextSCentered(ystart, font_head, "from the year");
3242
3243       ystart += ystep_head;
3244
3245       DrawTextFCentered(ystart, font_text, "%s", list->year);
3246       ystart += ystep_head;
3247     }
3248
3249     DrawTextSCentered(ybottom, FONT_TEXT_4,
3250                       "Press any key or button for next page");
3251
3252     if (button != MB_MENU_INITIALIZE)
3253       FadeIn(REDRAW_FIELD);
3254   }
3255
3256   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3257     PlaySoundLoop(list->music);
3258 }
3259
3260 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3261 {
3262   int font_title = MENU_INFO_FONT_TITLE;
3263   int font_head  = MENU_INFO_FONT_HEAD;
3264   int font_text  = MENU_INFO_FONT_TEXT;
3265   int font_foot  = MENU_INFO_FONT_FOOT;
3266   int spacing_title = menu.headline1_spacing_info[info_mode];
3267   int spacing_head  = menu.headline2_spacing_info[info_mode];
3268   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3269   int spacing_line  = menu.line_spacing_info[info_mode];
3270   int ystep_title = getMenuTextStep(spacing_title, font_title);
3271   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3272   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3273   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3274   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3275   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3276
3277   ClearField();
3278   DrawHeadline();
3279
3280   DrawTextSCentered(ystart, font_title, "Credits:");
3281   ystart += ystep_title;
3282
3283   if (screen_nr == 0)
3284   {
3285     DrawTextSCentered(ystart, font_head,
3286                       "Special thanks to");
3287     ystart += ystep_head;
3288     DrawTextSCentered(ystart, font_text,
3289                       "Peter Liepa");
3290     ystart += ystep_head;
3291     DrawTextSCentered(ystart, font_head,
3292                       "for creating");
3293     ystart += ystep_head;
3294     DrawTextSCentered(ystart, font_text,
3295                       "\"Boulder Dash\"");
3296     ystart += ystep_head;
3297     DrawTextSCentered(ystart, font_head,
3298                       "in the year");
3299     ystart += ystep_head;
3300     DrawTextSCentered(ystart, font_text,
3301                       "1984");
3302     ystart += ystep_head;
3303     DrawTextSCentered(ystart, font_head,
3304                       "published by");
3305     ystart += ystep_head;
3306     DrawTextSCentered(ystart, font_text,
3307                       "First Star Software");
3308   }
3309   else if (screen_nr == 1)
3310   {
3311     DrawTextSCentered(ystart, font_head,
3312                       "Special thanks to");
3313     ystart += ystep_head;
3314     DrawTextSCentered(ystart, font_text,
3315                       "Klaus Heinz & Volker Wertich");
3316     ystart += ystep_head;
3317     DrawTextSCentered(ystart, font_head,
3318                       "for creating");
3319     ystart += ystep_head;
3320     DrawTextSCentered(ystart, font_text,
3321                       "\"Emerald Mine\"");
3322     ystart += ystep_head;
3323     DrawTextSCentered(ystart, font_head,
3324                       "in the year");
3325     ystart += ystep_head;
3326     DrawTextSCentered(ystart, font_text,
3327                       "1987");
3328     ystart += ystep_head;
3329     DrawTextSCentered(ystart, font_head,
3330                       "published by");
3331     ystart += ystep_head;
3332     DrawTextSCentered(ystart, font_text,
3333                       "Kingsoft");
3334   }
3335   else if (screen_nr == 2)
3336   {
3337     DrawTextSCentered(ystart, font_head,
3338                       "Special thanks to");
3339     ystart += ystep_head;
3340     DrawTextSCentered(ystart, font_text,
3341                       "Michael Stopp & Philip Jespersen");
3342     ystart += ystep_head;
3343     DrawTextSCentered(ystart, font_head,
3344                       "for creating");
3345     ystart += ystep_head;
3346     DrawTextSCentered(ystart, font_text,
3347                       "\"Supaplex\"");
3348     ystart += ystep_head;
3349     DrawTextSCentered(ystart, font_head,
3350                       "in the year");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "1991");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "published by");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "Digital Integration");
3360   }
3361   else if (screen_nr == 3)
3362   {
3363     DrawTextSCentered(ystart, font_head,
3364                       "Special thanks to");
3365     ystart += ystep_head;
3366     DrawTextSCentered(ystart, font_text,
3367                       "Hiroyuki Imabayashi");
3368     ystart += ystep_head;
3369     DrawTextSCentered(ystart, font_head,
3370                       "for creating");
3371     ystart += ystep_head;
3372     DrawTextSCentered(ystart, font_text,
3373                       "\"Sokoban\"");
3374     ystart += ystep_head;
3375     DrawTextSCentered(ystart, font_head,
3376                       "in the year");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "1982");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "published by");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "Thinking Rabbit");
3386   }
3387   else if (screen_nr == 4)
3388   {
3389     DrawTextSCentered(ystart, font_head,
3390                       "Special thanks to");
3391     ystart += ystep_head;
3392     DrawTextSCentered(ystart, font_text,
3393                       "Alan Bond");
3394     ystart += ystep_head;
3395     DrawTextSCentered(ystart, font_head,
3396                       "and");
3397     ystart += ystep_head;
3398     DrawTextSCentered(ystart, font_text,
3399                       "J\xfcrgen Bonhagen");
3400     ystart += ystep_head;
3401     DrawTextSCentered(ystart, font_head,
3402                       "for the continuous creation");
3403     ystart += ystep_line;
3404     DrawTextSCentered(ystart, font_head,
3405                       "of outstanding level sets");
3406   }
3407   else if (screen_nr == 5)
3408   {
3409     DrawTextSCentered(ystart, font_head,
3410                       "Thanks to");
3411     ystart += ystep_head;
3412     DrawTextSCentered(ystart, font_text,
3413                       "Peter Elzner");
3414     ystart += ystep_head;
3415     DrawTextSCentered(ystart, font_head,
3416                       "for ideas and inspiration by");
3417     ystart += ystep_head;
3418     DrawTextSCentered(ystart, font_text,
3419                       "Diamond Caves");
3420     ystart += ystep_para;
3421
3422     DrawTextSCentered(ystart, font_head,
3423                       "Thanks to");
3424     ystart += ystep_head;
3425     DrawTextSCentered(ystart, font_text,
3426                       "Steffest");
3427     ystart += ystep_head;
3428     DrawTextSCentered(ystart, font_head,
3429                       "for ideas and inspiration by");
3430     ystart += ystep_head;
3431     DrawTextSCentered(ystart, font_text,
3432                       "DX-Boulderdash");
3433   }
3434   else if (screen_nr == 6)
3435   {
3436     DrawTextSCentered(ystart, font_head,
3437                       "Thanks to");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_text,
3440                       "David Tritscher");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_head,
3443                       "for the code base used for the");
3444     ystart += ystep_line;
3445     DrawTextSCentered(ystart, font_head,
3446                       "native Emerald Mine engine");
3447   }
3448   else if (screen_nr == 7)
3449   {
3450     DrawTextSCentered(ystart, font_head,
3451                       "Thanks to");
3452     ystart += ystep_head;
3453     DrawTextSCentered(ystart, font_text,
3454                       "Guido Schulz");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_head,
3457                       "for the initial DOS port");
3458     ystart += ystep_para;
3459
3460     DrawTextSCentered(ystart, font_head,
3461                       "Thanks to");
3462     ystart += ystep_head;
3463     DrawTextSCentered(ystart, font_text,
3464                       "Karl H\xf6rnell");
3465     ystart += ystep_head;
3466     DrawTextSCentered(ystart, font_head,
3467                       "for some additional toons");
3468   }
3469   else if (screen_nr == 8)
3470   {
3471     DrawTextSCentered(ystart, font_head,
3472                       "And not to forget:");
3473     ystart += ystep_head;
3474     DrawTextSCentered(ystart, font_head,
3475                       "Many thanks to");
3476     ystart += ystep_head;
3477     DrawTextSCentered(ystart, font_text,
3478                       "All those who contributed");
3479     ystart += ystep_line;
3480     DrawTextSCentered(ystart, font_text,
3481                       "levels to this game");
3482     ystart += ystep_line;
3483     DrawTextSCentered(ystart, font_text,
3484                       "since 1995");
3485   }
3486
3487   DrawTextSCentered(ybottom, font_foot,
3488                     "Press any key or button for next page");
3489 }
3490
3491 static void DrawInfoScreen_Credits(void)
3492 {
3493   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3494
3495   FadeMenuSoundsAndMusic();
3496
3497   FadeOut(REDRAW_FIELD);
3498
3499   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3500
3501   FadeIn(REDRAW_FIELD);
3502 }
3503
3504 void HandleInfoScreen_Credits(int button)
3505 {
3506   static int screen_nr = 0;
3507   int num_screens = 9;
3508
3509   if (button == MB_MENU_INITIALIZE)
3510   {
3511     screen_nr = 0;
3512
3513     // DrawInfoScreen_CreditsScreen(screen_nr);
3514   }
3515
3516   if (button == MB_MENU_LEAVE)
3517   {
3518     PlaySound(SND_MENU_ITEM_SELECTING);
3519
3520     info_mode = INFO_MODE_MAIN;
3521     DrawInfoScreen();
3522
3523     return;
3524   }
3525   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3526   {
3527     if (button != MB_MENU_INITIALIZE)
3528     {
3529       PlaySound(SND_MENU_ITEM_SELECTING);
3530
3531       screen_nr++;
3532     }
3533
3534     if (screen_nr >= num_screens)
3535     {
3536       FadeMenuSoundsAndMusic();
3537
3538       info_mode = INFO_MODE_MAIN;
3539       DrawInfoScreen();
3540
3541       return;
3542     }
3543
3544     if (screen_nr > 0)
3545       FadeSetNextScreen();
3546
3547     if (button != MB_MENU_INITIALIZE)
3548       FadeOut(REDRAW_FIELD);
3549
3550     DrawInfoScreen_CreditsScreen(screen_nr);
3551
3552     if (button != MB_MENU_INITIALIZE)
3553       FadeIn(REDRAW_FIELD);
3554   }
3555   else
3556   {
3557     PlayMenuSoundIfLoop();
3558   }
3559 }
3560
3561 static void DrawInfoScreen_Program(void)
3562 {
3563   int font_title = MENU_INFO_FONT_TITLE;
3564   int font_head  = MENU_INFO_FONT_HEAD;
3565   int font_text  = MENU_INFO_FONT_TEXT;
3566   int font_foot  = MENU_INFO_FONT_FOOT;
3567   int spacing_title = menu.headline1_spacing_info[info_mode];
3568   int spacing_head  = menu.headline2_spacing_info[info_mode];
3569   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3570   int spacing_line  = menu.line_spacing_info[info_mode];
3571   int ystep_title = getMenuTextStep(spacing_title, font_title);
3572   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3573   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3574   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3575   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3576   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3577
3578   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3579
3580   FadeOut(REDRAW_FIELD);
3581
3582   ClearField();
3583   DrawHeadline();
3584
3585   DrawTextSCentered(ystart, font_title, "Program Information:");
3586   ystart += ystep_title;
3587
3588   DrawTextSCentered(ystart, font_head,
3589                     "This game is Freeware!");
3590   ystart += ystep_head;
3591   DrawTextSCentered(ystart, font_head,
3592                     "If you like it, send e-mail to:");
3593   ystart += ystep_head;
3594   DrawTextSCentered(ystart, font_text,
3595                     setup.internal.program_email);
3596   ystart += ystep_para;
3597
3598   DrawTextSCentered(ystart, font_head,
3599                     "More information and levels:");
3600   ystart += ystep_head;
3601   DrawTextSCentered(ystart, font_text,
3602                     setup.internal.program_website);
3603   ystart += ystep_para;
3604
3605   DrawTextSCentered(ystart, font_head,
3606                     "If you have created new levels,");
3607   ystart += ystep_line;
3608   DrawTextSCentered(ystart, font_head,
3609                     "send them to me to include them!");
3610   ystart += ystep_head;
3611   DrawTextSCentered(ystart, font_head,
3612                     ":-)");
3613
3614   DrawTextSCentered(ybottom, font_foot,
3615                     "Press any key or button for info menu");
3616
3617   FadeIn(REDRAW_FIELD);
3618 }
3619
3620 void HandleInfoScreen_Program(int button)
3621 {
3622   if (button == MB_MENU_LEAVE)
3623   {
3624     PlaySound(SND_MENU_ITEM_SELECTING);
3625
3626     info_mode = INFO_MODE_MAIN;
3627     DrawInfoScreen();
3628
3629     return;
3630   }
3631   else if (button == MB_MENU_CHOICE)
3632   {
3633     PlaySound(SND_MENU_ITEM_SELECTING);
3634
3635     FadeMenuSoundsAndMusic();
3636
3637     info_mode = INFO_MODE_MAIN;
3638     DrawInfoScreen();
3639   }
3640   else
3641   {
3642     PlayMenuSoundIfLoop();
3643   }
3644 }
3645
3646 static void DrawInfoScreen_Version(void)
3647 {
3648   int font_title = MENU_INFO_FONT_TITLE;
3649   int font_head  = MENU_INFO_FONT_HEAD;
3650   int font_text  = MENU_INFO_FONT_TEXT;
3651   int font_foot  = MENU_INFO_FONT_FOOT;
3652   int spacing_title = menu.headline1_spacing_info[info_mode];
3653   int spacing_head  = menu.headline2_spacing_info[info_mode];
3654   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3655   int spacing_line  = menu.line_spacing_info[info_mode];
3656   int xstep = getFontWidth(font_text);
3657   int ystep_title = getMenuTextStep(spacing_title, font_title);
3658   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3659   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3660   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3661   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3662   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3663   int xstart1 = mSX - SX + 2 * xstep;
3664   int xstart2 = mSX - SX + 18 * xstep;
3665   int xstart3 = mSX - SX + 28 * xstep;
3666   SDL_version sdl_version_compiled;
3667   const SDL_version *sdl_version_linked;
3668   int driver_name_len = 10;
3669   SDL_version sdl_version_linked_ext;
3670   const char *driver_name = NULL;
3671
3672   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3673
3674   FadeOut(REDRAW_FIELD);
3675
3676   ClearField();
3677   DrawHeadline();
3678
3679   DrawTextSCentered(ystart, font_title, "Version Information:");
3680   ystart += ystep_title;
3681
3682   DrawTextF(xstart1, ystart, font_head, "Name");
3683   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3684   ystart += ystep_line;
3685
3686   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3687   {
3688     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3689     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3690     ystart += ystep_line;
3691
3692     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3693     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3694     ystart += ystep_line;
3695   }
3696   else
3697   {
3698     DrawTextF(xstart1, ystart, font_head, "Version");
3699     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3700     ystart += ystep_line;
3701   }
3702
3703   DrawTextF(xstart1, ystart, font_head, "Platform");
3704   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3705             PLATFORM_STRING,
3706             PLATFORM_XX_BIT_STRING);
3707   ystart += ystep_line;
3708
3709   DrawTextF(xstart1, ystart, font_head, "Target");
3710   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3711   ystart += ystep_line;
3712
3713   DrawTextF(xstart1, ystart, font_head, "Source date");
3714   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3715   ystart += ystep_line;
3716
3717   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3718   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3719   ystart += ystep_para;
3720
3721   DrawTextF(xstart1, ystart, font_head, "Library");
3722   DrawTextF(xstart2, ystart, font_head, "compiled");
3723   DrawTextF(xstart3, ystart, font_head, "linked");
3724   ystart += ystep_head;
3725
3726   SDL_VERSION(&sdl_version_compiled);
3727   SDL_GetVersion(&sdl_version_linked_ext);
3728   sdl_version_linked = &sdl_version_linked_ext;
3729
3730   DrawTextF(xstart1, ystart, font_text, "SDL");
3731   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3732             sdl_version_compiled.major,
3733             sdl_version_compiled.minor,
3734             sdl_version_compiled.patch);
3735   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3736             sdl_version_linked->major,
3737             sdl_version_linked->minor,
3738             sdl_version_linked->patch);
3739   ystart += ystep_line;
3740
3741   SDL_IMAGE_VERSION(&sdl_version_compiled);
3742   sdl_version_linked = IMG_Linked_Version();
3743
3744   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3745   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3746             sdl_version_compiled.major,
3747             sdl_version_compiled.minor,
3748             sdl_version_compiled.patch);
3749   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3750             sdl_version_linked->major,
3751             sdl_version_linked->minor,
3752             sdl_version_linked->patch);
3753   ystart += ystep_line;
3754
3755   SDL_MIXER_VERSION(&sdl_version_compiled);
3756   sdl_version_linked = Mix_Linked_Version();
3757
3758   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3759   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3760             sdl_version_compiled.major,
3761             sdl_version_compiled.minor,
3762             sdl_version_compiled.patch);
3763   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3764             sdl_version_linked->major,
3765             sdl_version_linked->minor,
3766             sdl_version_linked->patch);
3767   ystart += ystep_line;
3768
3769   SDL_NET_VERSION(&sdl_version_compiled);
3770   sdl_version_linked = SDLNet_Linked_Version();
3771
3772   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3773   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3774             sdl_version_compiled.major,
3775             sdl_version_compiled.minor,
3776             sdl_version_compiled.patch);
3777   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3778             sdl_version_linked->major,
3779             sdl_version_linked->minor,
3780             sdl_version_linked->patch);
3781   ystart += ystep_para;
3782
3783   DrawTextF(xstart1, ystart, font_head, "Driver");
3784   DrawTextF(xstart2, ystart, font_head, "Requested");
3785   DrawTextF(xstart3, ystart, font_head, "Used");
3786   ystart += ystep_head;
3787
3788   driver_name =
3789     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3790
3791   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3792   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3793   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3794   ystart += ystep_line;
3795
3796   driver_name =
3797     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3798
3799   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3800   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3801   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3802   ystart += ystep_line;
3803
3804   driver_name =
3805     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3806
3807   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3808   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3809   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3810
3811   DrawTextSCentered(ybottom, font_foot,
3812                     "Press any key or button for info menu");
3813
3814   FadeIn(REDRAW_FIELD);
3815 }
3816
3817 void HandleInfoScreen_Version(int button)
3818 {
3819   if (button == MB_MENU_LEAVE)
3820   {
3821     PlaySound(SND_MENU_ITEM_SELECTING);
3822
3823     info_mode = INFO_MODE_MAIN;
3824     DrawInfoScreen();
3825
3826     return;
3827   }
3828   else if (button == MB_MENU_CHOICE)
3829   {
3830     PlaySound(SND_MENU_ITEM_SELECTING);
3831
3832     FadeMenuSoundsAndMusic();
3833
3834     info_mode = INFO_MODE_MAIN;
3835     DrawInfoScreen();
3836   }
3837   else
3838   {
3839     PlayMenuSoundIfLoop();
3840   }
3841 }
3842
3843 static void DrawInfoScreen_LevelSet(void)
3844 {
3845   struct TitleMessageInfo *tmi = &readme;
3846   char *filename = getLevelSetInfoFilename();
3847   char *title = "Level Set Information:";
3848   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3849   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3850
3851   if (filename == NULL)
3852   {
3853     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3854
3855     return;
3856   }
3857
3858   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3859
3860   FadeOut(REDRAW_FIELD);
3861
3862   ClearField();
3863   DrawHeadline();
3864
3865   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3866
3867   // if x position set to "-1", automatically determine by playfield width
3868   if (tmi->x == -1)
3869     tmi->x = SXSIZE / 2;
3870
3871   // if y position set to "-1", use static default value
3872   if (tmi->y == -1)
3873     tmi->y = 150;
3874
3875   // if width set to "-1", automatically determine by playfield width
3876   if (tmi->width == -1)
3877     tmi->width = SXSIZE - 2 * TILEX;
3878
3879   // if height set to "-1", automatically determine by playfield height
3880   if (tmi->height == -1)
3881     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3882
3883   // if chars set to "-1", automatically determine by text and font width
3884   if (tmi->chars == -1)
3885     tmi->chars = tmi->width / getFontWidth(tmi->font);
3886   else
3887     tmi->width = tmi->chars * getFontWidth(tmi->font);
3888
3889   // if lines set to "-1", automatically determine by text and font height
3890   if (tmi->lines == -1)
3891     tmi->lines = tmi->height / getFontHeight(tmi->font);
3892   else
3893     tmi->height = tmi->lines * getFontHeight(tmi->font);
3894
3895   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3896                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3897                tmi->autowrap, tmi->centered, tmi->parse_comments);
3898
3899   DrawTextSCentered(ybottom, FONT_TEXT_4,
3900                     "Press any key or button for info menu");
3901
3902   FadeIn(REDRAW_FIELD);
3903 }
3904
3905 static void HandleInfoScreen_LevelSet(int button)
3906 {
3907   if (button == MB_MENU_LEAVE)
3908   {
3909     PlaySound(SND_MENU_ITEM_SELECTING);
3910
3911     info_mode = INFO_MODE_MAIN;
3912     DrawInfoScreen();
3913
3914     return;
3915   }
3916   else if (button == MB_MENU_CHOICE)
3917   {
3918     PlaySound(SND_MENU_ITEM_SELECTING);
3919
3920     FadeMenuSoundsAndMusic();
3921
3922     info_mode = INFO_MODE_MAIN;
3923     DrawInfoScreen();
3924   }
3925   else
3926   {
3927     PlayMenuSoundIfLoop();
3928   }
3929 }
3930
3931 static void DrawInfoScreen(void)
3932 {
3933   if (info_mode == INFO_MODE_TITLE)
3934     DrawInfoScreen_TitleScreen();
3935   else if (info_mode == INFO_MODE_ELEMENTS)
3936     DrawInfoScreen_Elements();
3937   else if (info_mode == INFO_MODE_MUSIC)
3938     DrawInfoScreen_Music();
3939   else if (info_mode == INFO_MODE_CREDITS)
3940     DrawInfoScreen_Credits();
3941   else if (info_mode == INFO_MODE_PROGRAM)
3942     DrawInfoScreen_Program();
3943   else if (info_mode == INFO_MODE_VERSION)
3944     DrawInfoScreen_Version();
3945   else if (info_mode == INFO_MODE_LEVELSET)
3946     DrawInfoScreen_LevelSet();
3947   else
3948     DrawInfoScreen_Main();
3949
3950   if (info_mode != INFO_MODE_MAIN &&
3951       info_mode != INFO_MODE_TITLE &&
3952       info_mode != INFO_MODE_MUSIC)
3953     PlayMenuSoundsAndMusic();
3954 }
3955
3956 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3957 {
3958   if (info_mode == INFO_MODE_TITLE)
3959     HandleInfoScreen_TitleScreen(button);
3960   else if (info_mode == INFO_MODE_ELEMENTS)
3961     HandleInfoScreen_Elements(button);
3962   else if (info_mode == INFO_MODE_MUSIC)
3963     HandleInfoScreen_Music(button);
3964   else if (info_mode == INFO_MODE_CREDITS)
3965     HandleInfoScreen_Credits(button);
3966   else if (info_mode == INFO_MODE_PROGRAM)
3967     HandleInfoScreen_Program(button);
3968   else if (info_mode == INFO_MODE_VERSION)
3969     HandleInfoScreen_Version(button);
3970   else if (info_mode == INFO_MODE_LEVELSET)
3971     HandleInfoScreen_LevelSet(button);
3972   else
3973     HandleInfoScreen_Main(mx, my, dx, dy, button);
3974 }
3975
3976
3977 // ============================================================================
3978 // type name functions
3979 // ============================================================================
3980
3981 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
3982
3983 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
3984 {
3985   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3986
3987   *pos = *mci->pos_input;
3988
3989   strcpy(name, setup.player_name);
3990   strcpy(type_name_last, name);
3991
3992   if (strEqual(name, EMPTY_PLAYER_NAME))
3993     strcpy(name, "");
3994
3995   *xpos = strlen(name);
3996 }
3997
3998 static void setTypeNameValues(char *name, int *font, boolean success)
3999 {
4000   if (!success)
4001     strcpy(name, type_name_last);
4002
4003   if (strEqual(name, ""))
4004     strcpy(name, EMPTY_PLAYER_NAME);
4005
4006   if (!success)
4007     return;
4008
4009   // change name of edited user in setup structure
4010   strcpy(setup.player_name, name);
4011
4012   // save setup of edited user
4013   SaveSetup();
4014 }
4015
4016 static void HandleTypeNameExt(boolean initialize, Key key)
4017 {
4018   static struct TextPosInfo pos_name = { 0 };
4019   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4020   static int xpos = 0;
4021
4022   if (initialize)
4023     getTypeNameValues(name, &pos_name, &xpos);
4024
4025   struct TextPosInfo *pos = &pos_name;
4026   int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4027   int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4028   int font_nr = pos->font;
4029   int font_active_nr = FONT_ACTIVE(font_nr);
4030   int font_width = getFontWidth(font_active_nr);
4031   char key_char = getValidConfigValueChar(getCharFromKey(key));
4032   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4033   boolean is_active = TRUE;
4034
4035   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_active_nr);
4036
4037   if (initialize)
4038   {
4039     StartTextInput(sx, sy, pos->width, pos->height);
4040   }
4041   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4042   {
4043     name[xpos] = key_char;
4044     name[xpos + 1] = 0;
4045
4046     xpos++;
4047   }
4048   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4049   {
4050     xpos--;
4051
4052     name[xpos] = 0;
4053   }
4054   else if (key == KSYM_Return)
4055   {
4056     setTypeNameValues(name, &font_nr, TRUE);
4057
4058     is_active = FALSE;
4059   }
4060   else if (key == KSYM_Escape)
4061   {
4062     setTypeNameValues(name, &font_nr, FALSE);
4063
4064     is_active = FALSE;
4065   }
4066
4067   if (is_active)
4068   {
4069     pos->width = (strlen(name) + 1) * font_width;
4070     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4071
4072     DrawText(sx, sy, name, font_active_nr);
4073     DrawText(sx + xpos * font_width, sy, "_", font_active_nr);
4074   }
4075   else
4076   {
4077     SetGameStatus(game_status_last_screen);
4078
4079     pos->width = strlen(name) * font_width;
4080     sx = mSX + ALIGNED_TEXT_XPOS(pos);
4081
4082     DrawText(sx, sy, name, font_nr);
4083
4084     StopTextInput();
4085   }
4086 }
4087
4088 static void DrawTypeName(void)
4089 {
4090   HandleTypeNameExt(TRUE, 0);
4091 }
4092
4093 void HandleTypeName(Key key)
4094 {
4095   HandleTypeNameExt(FALSE, key);
4096 }
4097
4098
4099 // ============================================================================
4100 // tree menu functions
4101 // ============================================================================
4102
4103 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4104 {
4105   if (game_status != GAME_MODE_SETUP ||
4106       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4107     return 0;
4108
4109   int max_text_size = 0;
4110   TreeInfo *node;
4111
4112   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4113     max_text_size = MAX(max_text_size, strlen(node->name));
4114
4115   int num_entries = numTreeInfoInGroup(ti);
4116   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4117   int text_width = max_text_size * getFontWidth(FONT_TEXT_1);
4118   int button_width = SC_MENUBUTTON_XSIZE;
4119   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4120   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4121   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4122   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4123   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4124   int align_xoffset = MAX(0, align_xoffset_raw);
4125
4126   return align_xoffset;
4127 }
4128
4129 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4130 {
4131   if (game_status != GAME_MODE_SETUP ||
4132       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4133     return 0;
4134
4135   int num_entries = numTreeInfoInGroup(ti);
4136   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4137   int font_height = getFontHeight(FONT_TEXT_1);
4138   int text_height = font_height * num_page_entries;
4139   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4140   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4141   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4142   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4143   int align_yoffset = MAX(0, align_yoffset_raw);
4144
4145   return align_yoffset;
4146 }
4147
4148 static void DrawChooseTree(TreeInfo **ti_ptr)
4149 {
4150   int fade_mask = REDRAW_FIELD;
4151
4152   if (CheckFadeAll())
4153     fade_mask = REDRAW_ALL;
4154
4155   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4156   {
4157     SetGameStatus(GAME_MODE_MAIN);
4158
4159     DrawMainMenu();
4160
4161     return;
4162   }
4163
4164   UnmapAllGadgets();
4165
4166   FreeScreenGadgets();
4167   CreateScreenGadgets();
4168
4169   FadeOut(fade_mask);
4170
4171   // needed if different viewport properties defined for choosing level (set)
4172   ChangeViewportPropertiesIfNeeded();
4173
4174   if (game_status == GAME_MODE_NAMES)
4175     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4176   else if (game_status == GAME_MODE_LEVELNR)
4177     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4178   else if (game_status == GAME_MODE_LEVELS)
4179     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4180
4181   ClearField();
4182
4183   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4184
4185   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4186   MapScreenTreeGadgets(*ti_ptr);
4187
4188   DrawMaskedBorder(fade_mask);
4189
4190   FadeIn(fade_mask);
4191 }
4192
4193 static void drawChooseTreeList(int first_entry, int num_page_entries,
4194                                TreeInfo *ti)
4195 {
4196   int num_entries = numTreeInfoInGroup(ti);
4197   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4198   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4199   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4200   int font_nr = FONT_TEXT_1;
4201   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4202   int i;
4203   char *title_string = NULL;
4204   int yoffset_sets = MENU_TITLE1_YPOS;
4205   int yoffset_setup = 16;
4206   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4207                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4208
4209   title_string = ti->infotext;
4210
4211   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4212
4213   clearMenuListArea();
4214
4215   for (i = 0; i < num_page_entries; i++)
4216   {
4217     TreeInfo *node, *node_first;
4218     int entry_pos = first_entry + i;
4219     int xpos = MENU_SCREEN_START_XPOS;
4220     int ypos = MENU_SCREEN_START_YPOS + i;
4221     int startx = amSX + xpos * 32;
4222     int starty = amSY + ypos * 32;
4223     int startx_text = startx + font_xoffset;
4224     int endx_text = amSX + screen_width;
4225     int max_text_size = endx_text - startx_text;
4226     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4227     char buffer[max_buffer_len + 1];
4228
4229     node_first = getTreeInfoFirstGroupEntry(ti);
4230     node = getTreeInfoFromPos(node_first, entry_pos);
4231
4232     strncpy(buffer, node->name, max_buffer_len);
4233     buffer[max_buffer_len] = '\0';
4234
4235     DrawText(startx, starty, buffer, font_nr + node->color);
4236
4237     if (node->parent_link)
4238       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4239     else if (node->level_group)
4240       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4241     else
4242       initCursor(i, IMG_MENU_BUTTON);
4243   }
4244
4245   redraw_mask |= REDRAW_FIELD;
4246 }
4247
4248 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4249 {
4250   TreeInfo *node, *node_first;
4251   int x, last_redraw_mask = redraw_mask;
4252   int ypos = MENU_TITLE2_YPOS;
4253   int font_nr = FONT_TITLE_2;
4254
4255   if (ti->type == TREE_TYPE_LEVEL_NR)
4256     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4257
4258   if (ti->type != TREE_TYPE_LEVEL_DIR)
4259     return;
4260
4261   node_first = getTreeInfoFirstGroupEntry(ti);
4262   node = getTreeInfoFromPos(node_first, entry_pos);
4263
4264   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4265
4266   if (node->parent_link)
4267     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4268                       node->node_parent->name);
4269   else if (node->level_group)
4270     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4271                       node->name);
4272   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4273     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4274                       node->levels, (node->levels > 1 ? "levels" : "level"),
4275                       node->class_desc);
4276
4277   // let BackToFront() redraw only what is needed
4278   redraw_mask = last_redraw_mask;
4279   for (x = 0; x < SCR_FIELDX; x++)
4280     MarkTileDirty(x, 1);
4281 }
4282
4283 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4284                              TreeInfo **ti_ptr)
4285 {
4286   TreeInfo *ti = *ti_ptr;
4287   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4288   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4289   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4290   int x = 0;
4291   int y = ti->cl_cursor;
4292   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4293   int num_entries = numTreeInfoInGroup(ti);
4294   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4295   boolean position_set_by_scrollbar = (dx == 999);
4296
4297   if (button == MB_MENU_INITIALIZE)
4298   {
4299     int num_entries = numTreeInfoInGroup(ti);
4300     int entry_pos = posTreeInfo(ti);
4301
4302     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4303     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4304
4305     if (ti->cl_first == -1)
4306     {
4307       // only on initialization
4308       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4309       ti->cl_cursor = entry_pos - ti->cl_first;
4310     }
4311     else if (ti->cl_cursor >= num_page_entries ||
4312              (num_entries > num_page_entries &&
4313               num_entries - ti->cl_first < num_page_entries))
4314     {
4315       // only after change of list size (by custom graphic configuration)
4316       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4317       ti->cl_cursor = entry_pos - ti->cl_first;
4318     }
4319
4320     if (position_set_by_scrollbar)
4321       ti->cl_first = dy;
4322     else
4323       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4324                                 ti->cl_first, ti);
4325
4326     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4327     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4328     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4329
4330     return;
4331   }
4332   else if (button == MB_MENU_LEAVE)
4333   {
4334     FadeSetLeaveMenu();
4335
4336     PlaySound(SND_MENU_ITEM_SELECTING);
4337
4338     if (ti->node_parent)
4339     {
4340       *ti_ptr = ti->node_parent;
4341       DrawChooseTree(ti_ptr);
4342     }
4343     else if (game_status == GAME_MODE_SETUP)
4344     {
4345       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4346           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4347           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4348         execSetupGame();
4349       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4350                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4351                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4352                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4353         execSetupGraphics();
4354       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4355                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4356                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4357         execSetupSound();
4358       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4359                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4360                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4361                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4362                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4363                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4364                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4365                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4366         execSetupTouch();
4367       else
4368         execSetupArtwork();
4369     }
4370     else
4371     {
4372       if (game_status == GAME_MODE_LEVELNR)
4373       {
4374         int new_level_nr = atoi(level_number_current->identifier);
4375
4376         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4377       }
4378
4379       SetGameStatus(GAME_MODE_MAIN);
4380
4381       DrawMainMenu();
4382     }
4383
4384     return;
4385   }
4386
4387   if (mx || my)         // mouse input
4388   {
4389     x = (mx - amSX) / 32;
4390     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4391   }
4392   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4393   {
4394     // move cursor instead of scrolling when already at start/end of list
4395     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4396       dy = -1;
4397     else if (dy == +1 * SCROLL_LINE &&
4398              ti->cl_first + num_page_entries == num_entries)
4399       dy = 1;
4400
4401     // handle scrolling screen one line or page
4402     if (ti->cl_cursor + dy < 0 ||
4403         ti->cl_cursor + dy > num_page_entries - 1)
4404     {
4405       boolean redraw = FALSE;
4406
4407       if (ABS(dy) == SCROLL_PAGE)
4408         step = num_page_entries - 1;
4409
4410       if (dy < 0 && ti->cl_first > 0)
4411       {
4412         // scroll page/line up
4413
4414         ti->cl_first -= step;
4415         if (ti->cl_first < 0)
4416           ti->cl_first = 0;
4417
4418         redraw = TRUE;
4419       }
4420       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4421       {
4422         // scroll page/line down
4423
4424         ti->cl_first += step;
4425         if (ti->cl_first + num_page_entries > num_entries)
4426           ti->cl_first = MAX(0, num_entries - num_page_entries);
4427
4428         redraw = TRUE;
4429       }
4430
4431       if (redraw)
4432       {
4433         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4434         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4435         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4436
4437         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4438                                   ti->cl_first, ti);
4439       }
4440
4441       return;
4442     }
4443
4444     // handle moving cursor one line
4445     y = ti->cl_cursor + dy;
4446   }
4447
4448   if (dx == 1)
4449   {
4450     TreeInfo *node_first, *node_cursor;
4451     int entry_pos = ti->cl_first + y;
4452
4453     node_first = getTreeInfoFirstGroupEntry(ti);
4454     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4455
4456     if (node_cursor->node_group)
4457     {
4458       FadeSetEnterMenu();
4459
4460       PlaySound(SND_MENU_ITEM_SELECTING);
4461
4462       node_cursor->cl_first = ti->cl_first;
4463       node_cursor->cl_cursor = ti->cl_cursor;
4464       *ti_ptr = node_cursor->node_group;
4465       DrawChooseTree(ti_ptr);
4466
4467       return;
4468     }
4469   }
4470   else if (dx == -1 && ti->node_parent)
4471   {
4472     FadeSetLeaveMenu();
4473
4474     PlaySound(SND_MENU_ITEM_SELECTING);
4475
4476     *ti_ptr = ti->node_parent;
4477     DrawChooseTree(ti_ptr);
4478
4479     return;
4480   }
4481
4482   if (!anyScrollbarGadgetActive() &&
4483       IN_VIS_MENU(x, y) &&
4484       mx < mx_right_border &&
4485       y >= 0 && y < num_page_entries)
4486   {
4487     if (button)
4488     {
4489       if (y != ti->cl_cursor)
4490       {
4491         PlaySound(SND_MENU_ITEM_ACTIVATING);
4492
4493         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4494         drawChooseTreeCursor(y, TRUE);
4495         drawChooseTreeInfo(ti->cl_first + y, ti);
4496
4497         ti->cl_cursor = y;
4498       }
4499       else if (dx < 0)
4500       {
4501         if (game_status == GAME_MODE_SETUP)
4502         {
4503           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4504               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4505               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4506             execSetupGame();
4507           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4508                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4509                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4510                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4511             execSetupGraphics();
4512           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4513                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4514                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4515             execSetupSound();
4516           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4517                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4518                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4519                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4520                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4521                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4522                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4523                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4524             execSetupTouch();
4525           else
4526             execSetupArtwork();
4527         }
4528       }
4529     }
4530     else
4531     {
4532       TreeInfo *node_first, *node_cursor;
4533       int entry_pos = ti->cl_first + y;
4534
4535       PlaySound(SND_MENU_ITEM_SELECTING);
4536
4537       node_first = getTreeInfoFirstGroupEntry(ti);
4538       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4539
4540       if (node_cursor->node_group)
4541       {
4542         FadeSetEnterMenu();
4543
4544         node_cursor->cl_first = ti->cl_first;
4545         node_cursor->cl_cursor = ti->cl_cursor;
4546         *ti_ptr = node_cursor->node_group;
4547         DrawChooseTree(ti_ptr);
4548       }
4549       else if (node_cursor->parent_link)
4550       {
4551         FadeSetLeaveMenu();
4552
4553         *ti_ptr = node_cursor->node_parent;
4554         DrawChooseTree(ti_ptr);
4555       }
4556       else
4557       {
4558         FadeSetEnterMenu();
4559
4560         node_cursor->cl_first = ti->cl_first;
4561         node_cursor->cl_cursor = ti->cl_cursor;
4562         *ti_ptr = node_cursor;
4563
4564         if (ti->type == TREE_TYPE_LEVEL_DIR)
4565         {
4566           LoadLevelSetup_SeriesInfo();
4567
4568           SaveLevelSetup_LastSeries();
4569           SaveLevelSetup_SeriesInfo();
4570           TapeErase();
4571         }
4572
4573         if (game_status == GAME_MODE_SETUP)
4574         {
4575           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4576               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4577               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4578             execSetupGame();
4579           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4580                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4581                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4582                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4583             execSetupGraphics();
4584           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4585                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4586                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4587             execSetupSound();
4588           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4589                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4590                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4591                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4592                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4593                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4594                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4595                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4596             execSetupTouch();
4597           else
4598             execSetupArtwork();
4599         }
4600         else
4601         {
4602           if (game_status == GAME_MODE_LEVELNR)
4603           {
4604             int new_level_nr = atoi(level_number_current->identifier);
4605
4606             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4607           }
4608
4609           SetGameStatus(GAME_MODE_MAIN);
4610
4611           DrawMainMenu();
4612         }
4613       }
4614     }
4615   }
4616 }
4617
4618 void DrawChoosePlayerName(void)
4619 {
4620   int i;
4621
4622   FadeMenuSoundsAndMusic();
4623
4624   if (player_name != NULL)
4625   {
4626     freeTreeInfo(player_name);
4627
4628     player_name = NULL;
4629   }
4630
4631   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4632   {
4633     boolean team_mode = (!network.enabled && setup.team_mode);
4634     int tree_type = (team_mode ? TREE_TYPE_PLAYER_TEAM : TREE_TYPE_PLAYER_NAME);
4635     TreeInfo *ti = newTreeInfo_setDefaults(tree_type);
4636     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4637     int value = i;
4638
4639     ti->node_top = &player_name;
4640     ti->sort_priority = 10000 + value;
4641     ti->color = FC_RED;
4642
4643     if (strEqual(global.user_names[i], EMPTY_PLAYER_NAME))
4644       ti->color = FC_BLUE;
4645
4646     snprintf(identifier, sizeof(identifier), "%d", value);
4647     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4648
4649     setString(&ti->identifier, identifier);
4650     setString(&ti->name, name);
4651     setString(&ti->name_sorting, name);
4652
4653     pushTreeInfo(&player_name, ti);
4654   }
4655
4656   // sort player entries by player number
4657   sortTreeInfo(&player_name);
4658
4659   // set current player entry to selected player entry
4660   player_name_current =
4661     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4662
4663   // if that fails, set current player name to first available name
4664   if (player_name_current == NULL)
4665     player_name_current = player_name;
4666
4667   DrawChooseTree(&player_name_current);
4668
4669   PlayMenuSoundsAndMusic();
4670 }
4671
4672 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4673 {
4674   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4675 }
4676
4677 void DrawChooseLevelSet(void)
4678 {
4679   FadeMenuSoundsAndMusic();
4680
4681   DrawChooseTree(&leveldir_current);
4682
4683   PlayMenuSoundsAndMusic();
4684 }
4685
4686 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4687 {
4688   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4689 }
4690
4691 void DrawChooseLevelNr(void)
4692 {
4693   int i;
4694
4695   FadeMenuSoundsAndMusic();
4696
4697   if (level_number != NULL)
4698   {
4699     freeTreeInfo(level_number);
4700
4701     level_number = NULL;
4702   }
4703
4704   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4705   {
4706     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4707     char identifier[32], name[64];
4708     int value = i;
4709
4710     // temporarily load level info to get level name
4711     LoadLevelInfoOnly(i);
4712
4713     ti->node_top = &level_number;
4714     ti->sort_priority = 10000 + value;
4715     ti->color = (level.no_level_file ? FC_BLUE :
4716                  LevelStats_getSolved(i) ? FC_GREEN :
4717                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4718
4719     snprintf(identifier, sizeof(identifier), "%d", value);
4720     snprintf(name, sizeof(name), "%03d: %s", value,
4721              (level.no_level_file ? "(no file)" : level.name));
4722
4723     setString(&ti->identifier, identifier);
4724     setString(&ti->name, name);
4725     setString(&ti->name_sorting, name);
4726
4727     pushTreeInfo(&level_number, ti);
4728   }
4729
4730   // sort level number values to start with lowest level number
4731   sortTreeInfo(&level_number);
4732
4733   // set current level number to current level number
4734   level_number_current =
4735     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4736
4737   // if that also fails, set current level number to first available level
4738   if (level_number_current == NULL)
4739     level_number_current = level_number;
4740
4741   DrawChooseTree(&level_number_current);
4742
4743   PlayMenuSoundsAndMusic();
4744 }
4745
4746 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4747 {
4748   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4749 }
4750
4751 void DrawHallOfFame(int level_nr, int highlight_position)
4752 {
4753   int fade_mask = REDRAW_FIELD;
4754
4755   if (CheckFadeAll())
4756     fade_mask = REDRAW_ALL;
4757
4758   UnmapAllGadgets();
4759   FadeMenuSoundsAndMusic();
4760
4761   // (this is needed when called from GameEnd() after winning a game)
4762   KeyboardAutoRepeatOn();
4763
4764   // (this is needed when called from GameEnd() after winning a game)
4765   SetDrawDeactivationMask(REDRAW_NONE);
4766   SetDrawBackgroundMask(REDRAW_FIELD);
4767
4768   if (highlight_position < 0)
4769     LoadScore(level_nr);
4770   else
4771     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4772
4773   FadeSetEnterScreen();
4774
4775   FadeOut(fade_mask);
4776
4777   // needed if different viewport properties defined for scores
4778   ChangeViewportPropertiesIfNeeded();
4779
4780   PlayMenuSoundsAndMusic();
4781
4782   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4783
4784   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4785
4786   DrawMaskedBorder(fade_mask);
4787
4788   FadeIn(fade_mask);
4789 }
4790
4791 static void drawHallOfFameList(int level_nr, int first_entry,
4792                                int highlight_position)
4793 {
4794   int i, j;
4795
4796   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4797   ClearField();
4798
4799   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4800   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4801                     "HighScores of Level %d", level_nr);
4802
4803   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4804   {
4805     int entry = first_entry + i;
4806     boolean active = (entry == highlight_position);
4807     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4808     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4809     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4810     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4811     int dxoff = getFontDrawOffsetX(font_nr1);
4812     int dx1 = 3 * getFontWidth(font_nr1);
4813     int dx2 = dx1 + getFontWidth(font_nr1);
4814     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4815     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4816     int sy = mSY + 64 + i * 32;
4817
4818     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4819     DrawText(mSX + dx1, sy, ".", font_nr1);
4820
4821     for (j = 0; j < num_dots; j++)
4822       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4823
4824     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4825       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4826
4827     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4828   }
4829
4830   redraw_mask |= REDRAW_FIELD;
4831 }
4832
4833 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4834 {
4835   static int level_nr = 0;
4836   static int first_entry = 0;
4837   static int highlight_position = 0;
4838   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4839
4840   if (button == MB_MENU_INITIALIZE)
4841   {
4842     level_nr = mx;
4843     first_entry = 0;
4844     highlight_position = my;
4845
4846     drawHallOfFameList(level_nr, first_entry, highlight_position);
4847
4848     return;
4849   }
4850
4851   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
4852     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4853
4854   if (dy < 0)
4855   {
4856     if (first_entry > 0)
4857     {
4858       first_entry -= step;
4859       if (first_entry < 0)
4860         first_entry = 0;
4861
4862       drawHallOfFameList(level_nr, first_entry, highlight_position);
4863     }
4864   }
4865   else if (dy > 0)
4866   {
4867     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4868     {
4869       first_entry += step;
4870       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4871         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4872
4873       drawHallOfFameList(level_nr, first_entry, highlight_position);
4874     }
4875   }
4876   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4877   {
4878     PlaySound(SND_MENU_ITEM_SELECTING);
4879
4880     FadeSound(SND_BACKGROUND_SCORES);
4881
4882     if (button == MB_MENU_CHOICE &&
4883         game_status_last_screen == GAME_MODE_PLAYING &&
4884         setup.auto_play_next_level && setup.increment_levels &&
4885         level_nr < leveldir_current->last_level &&
4886         !network_playing)
4887     {
4888       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4889     }
4890     else
4891     {
4892       SetGameStatus(GAME_MODE_MAIN);
4893
4894       DrawMainMenu();
4895     }
4896   }
4897
4898   if (game_status == GAME_MODE_SCORES)
4899     PlayMenuSoundIfLoop();
4900 }
4901
4902
4903 // ============================================================================
4904 // setup screen functions
4905 // ============================================================================
4906
4907 static struct TokenInfo *setup_info;
4908 static int num_setup_info;      // number of setup entries shown on screen
4909 static int max_setup_info;      // total number of setup entries in list
4910
4911 static char *window_size_text;
4912 static char *scaling_type_text;
4913 static char *rendering_mode_text;
4914 static char *vsync_mode_text;
4915 static char *scroll_delay_text;
4916 static char *snapshot_mode_text;
4917 static char *game_speed_text;
4918 static char *network_server_text;
4919 static char *graphics_set_name;
4920 static char *sounds_set_name;
4921 static char *music_set_name;
4922 static char *volume_simple_text;
4923 static char *volume_loops_text;
4924 static char *volume_music_text;
4925 static char *touch_controls_text;
4926 static char *move_distance_text;
4927 static char *drop_distance_text;
4928 static char *transparency_text;
4929 static char *grid_size_text[2][2];
4930
4931 static void execSetupMain(void)
4932 {
4933   setup_mode = SETUP_MODE_MAIN;
4934
4935   DrawSetupScreen();
4936 }
4937
4938 static void execSetupGame_setGameSpeeds(boolean update_value)
4939 {
4940   if (setup.game_speed_extended)
4941   {
4942     game_speeds_list = game_speeds_list_extended;
4943     game_speeds      = game_speeds_extended;
4944   }
4945   else
4946   {
4947     game_speeds_list = game_speeds_list_normal;
4948     game_speeds      = game_speeds_normal;
4949   }
4950
4951   if (game_speeds == NULL)
4952   {
4953     int i;
4954
4955     for (i = 0; game_speeds_list[i].value != -1; i++)
4956     {
4957       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4958       char identifier[32], name[32];
4959       int value = game_speeds_list[i].value;
4960       char *text = game_speeds_list[i].text;
4961
4962       ti->node_top = &game_speeds;
4963       ti->sort_priority = 10000 - value;
4964
4965       sprintf(identifier, "%d", value);
4966       sprintf(name, "%s", text);
4967
4968       setString(&ti->identifier, identifier);
4969       setString(&ti->name, name);
4970       setString(&ti->name_sorting, name);
4971       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4972
4973       pushTreeInfo(&game_speeds, ti);
4974     }
4975
4976     // sort game speed values to start with slowest game speed
4977     sortTreeInfo(&game_speeds);
4978
4979     update_value = TRUE;
4980   }
4981
4982   if (update_value)
4983   {
4984     // set current game speed to configured game speed value
4985     game_speed_current =
4986       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4987
4988     // if that fails, set current game speed to reliable default value
4989     if (game_speed_current == NULL)
4990       game_speed_current =
4991         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4992
4993     // if that also fails, set current game speed to first available speed
4994     if (game_speed_current == NULL)
4995       game_speed_current = game_speeds;
4996
4997     if (setup.game_speed_extended)
4998       game_speeds_extended = game_speeds;
4999     else
5000       game_speeds_normal = game_speeds;
5001   }
5002
5003   setup.game_frame_delay = atoi(game_speed_current->identifier);
5004
5005   // needed for displaying game speed text instead of identifier
5006   game_speed_text = game_speed_current->name;
5007 }
5008
5009 static void execSetupGame_setScrollDelays(void)
5010 {
5011   if (scroll_delays == NULL)
5012   {
5013     int i;
5014
5015     for (i = 0; scroll_delays_list[i].value != -1; i++)
5016     {
5017       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5018       char identifier[32], name[32];
5019       int value = scroll_delays_list[i].value;
5020       char *text = scroll_delays_list[i].text;
5021
5022       ti->node_top = &scroll_delays;
5023       ti->sort_priority = value;
5024
5025       sprintf(identifier, "%d", value);
5026       sprintf(name, "%s", text);
5027
5028       setString(&ti->identifier, identifier);
5029       setString(&ti->name, name);
5030       setString(&ti->name_sorting, name);
5031       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5032
5033       pushTreeInfo(&scroll_delays, ti);
5034     }
5035
5036     // sort scroll delay values to start with lowest scroll delay value
5037     sortTreeInfo(&scroll_delays);
5038
5039     // set current scroll delay value to configured scroll delay value
5040     scroll_delay_current =
5041       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5042
5043     // if that fails, set current scroll delay to reliable default value
5044     if (scroll_delay_current == NULL)
5045       scroll_delay_current =
5046         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5047
5048     // if that also fails, set current scroll delay to first available value
5049     if (scroll_delay_current == NULL)
5050       scroll_delay_current = scroll_delays;
5051   }
5052
5053   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5054
5055   // needed for displaying scroll delay text instead of identifier
5056   scroll_delay_text = scroll_delay_current->name;
5057 }
5058
5059 static void execSetupGame_setSnapshotModes(void)
5060 {
5061   if (snapshot_modes == NULL)
5062   {
5063     int i;
5064
5065     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5066     {
5067       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5068       char identifier[32], name[32];
5069       char *value = snapshot_modes_list[i].value;
5070       char *text = snapshot_modes_list[i].text;
5071
5072       ti->node_top = &snapshot_modes;
5073       ti->sort_priority = i;
5074
5075       sprintf(identifier, "%s", value);
5076       sprintf(name, "%s", text);
5077
5078       setString(&ti->identifier, identifier);
5079       setString(&ti->name, name);
5080       setString(&ti->name_sorting, name);
5081       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5082
5083       pushTreeInfo(&snapshot_modes, ti);
5084     }
5085
5086     // sort snapshot mode values to start with lowest snapshot mode value
5087     sortTreeInfo(&snapshot_modes);
5088
5089     // set current snapshot mode value to configured snapshot mode value
5090     snapshot_mode_current =
5091       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5092
5093     // if that fails, set current snapshot mode to reliable default value
5094     if (snapshot_mode_current == NULL)
5095       snapshot_mode_current =
5096         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5097
5098     // if that also fails, set current snapshot mode to first available value
5099     if (snapshot_mode_current == NULL)
5100       snapshot_mode_current = snapshot_modes;
5101   }
5102
5103   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5104
5105   // needed for displaying snapshot mode text instead of identifier
5106   snapshot_mode_text = snapshot_mode_current->name;
5107 }
5108
5109 static void execSetupGame_setNetworkServerText(void)
5110 {
5111   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5112   {
5113     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5114   }
5115   else
5116   {
5117     strncpy(network_server_hostname, setup.network_server_hostname,
5118             MAX_SETUP_TEXT_INPUT_LEN);
5119     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5120   }
5121
5122   // needed for displaying network server text instead of identifier
5123   network_server_text = network_server_hostname;
5124 }
5125
5126 static void execSetupGame(void)
5127 {
5128   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5129
5130   execSetupGame_setGameSpeeds(FALSE);
5131   execSetupGame_setScrollDelays();
5132   execSetupGame_setSnapshotModes();
5133
5134   execSetupGame_setNetworkServerText();
5135
5136   setup_mode = SETUP_MODE_GAME;
5137
5138   DrawSetupScreen();
5139
5140   // check if vsync needs to be disabled for this game speed to work
5141   if (check_vsync_mode)
5142     DisableVsyncIfNeeded();
5143 }
5144
5145 static void execSetupChooseGameSpeed(void)
5146 {
5147   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5148
5149   DrawSetupScreen();
5150 }
5151
5152 static void execSetupChooseScrollDelay(void)
5153 {
5154   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5155
5156   DrawSetupScreen();
5157 }
5158
5159 static void execSetupChooseSnapshotMode(void)
5160 {
5161   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5162
5163   DrawSetupScreen();
5164 }
5165
5166 static void execSetupEngines(void)
5167 {
5168   setup_mode = SETUP_MODE_ENGINES;
5169
5170   DrawSetupScreen();
5171 }
5172
5173 static void execSetupEditor(void)
5174 {
5175   setup_mode = SETUP_MODE_EDITOR;
5176
5177   DrawSetupScreen();
5178 }
5179
5180 static void execSetupGraphics_setWindowSizes(boolean update_list)
5181 {
5182   if (window_sizes != NULL && update_list)
5183   {
5184     freeTreeInfo(window_sizes);
5185
5186     window_sizes = NULL;
5187   }
5188
5189   if (window_sizes == NULL)
5190   {
5191     boolean current_window_size_found = FALSE;
5192     int i;
5193
5194     for (i = 0; window_sizes_list[i].value != -1; i++)
5195     {
5196       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5197       char identifier[32], name[32];
5198       int value = window_sizes_list[i].value;
5199       char *text = window_sizes_list[i].text;
5200
5201       ti->node_top = &window_sizes;
5202       ti->sort_priority = value;
5203
5204       sprintf(identifier, "%d", value);
5205       sprintf(name, "%s", text);
5206
5207       setString(&ti->identifier, identifier);
5208       setString(&ti->name, name);
5209       setString(&ti->name_sorting, name);
5210       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5211
5212       pushTreeInfo(&window_sizes, ti);
5213
5214       if (value == setup.window_scaling_percent)
5215         current_window_size_found = TRUE;
5216     }
5217
5218     if (!current_window_size_found)
5219     {
5220       // add entry for non-preset window scaling value
5221
5222       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5223       char identifier[32], name[32];
5224       int value = setup.window_scaling_percent;
5225
5226       ti->node_top = &window_sizes;
5227       ti->sort_priority = value;
5228
5229       sprintf(identifier, "%d", value);
5230       sprintf(name, "%d %% (Current)", value);
5231
5232       setString(&ti->identifier, identifier);
5233       setString(&ti->name, name);
5234       setString(&ti->name_sorting, name);
5235       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5236
5237       pushTreeInfo(&window_sizes, ti);
5238     }
5239
5240     // sort window size values to start with lowest window size value
5241     sortTreeInfo(&window_sizes);
5242
5243     // set current window size value to configured window size value
5244     window_size_current =
5245       getTreeInfoFromIdentifier(window_sizes,
5246                                 i_to_a(setup.window_scaling_percent));
5247
5248     // if that fails, set current window size to reliable default value
5249     if (window_size_current == NULL)
5250       window_size_current =
5251         getTreeInfoFromIdentifier(window_sizes,
5252                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5253
5254     // if that also fails, set current window size to first available value
5255     if (window_size_current == NULL)
5256       window_size_current = window_sizes;
5257   }
5258
5259   setup.window_scaling_percent = atoi(window_size_current->identifier);
5260
5261   // needed for displaying window size text instead of identifier
5262   window_size_text = window_size_current->name;
5263 }
5264
5265 static void execSetupGraphics_setScalingTypes(void)
5266 {
5267   if (scaling_types == NULL)
5268   {
5269     int i;
5270
5271     for (i = 0; scaling_types_list[i].value != NULL; i++)
5272     {
5273       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5274       char identifier[32], name[32];
5275       char *value = scaling_types_list[i].value;
5276       char *text = scaling_types_list[i].text;
5277
5278       ti->node_top = &scaling_types;
5279       ti->sort_priority = i;
5280
5281       sprintf(identifier, "%s", value);
5282       sprintf(name, "%s", text);
5283
5284       setString(&ti->identifier, identifier);
5285       setString(&ti->name, name);
5286       setString(&ti->name_sorting, name);
5287       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5288
5289       pushTreeInfo(&scaling_types, ti);
5290     }
5291
5292     // sort scaling type values to start with lowest scaling type value
5293     sortTreeInfo(&scaling_types);
5294
5295     // set current scaling type value to configured scaling type value
5296     scaling_type_current =
5297       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5298
5299     // if that fails, set current scaling type to reliable default value
5300     if (scaling_type_current == NULL)
5301       scaling_type_current =
5302         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5303
5304     // if that also fails, set current scaling type to first available value
5305     if (scaling_type_current == NULL)
5306       scaling_type_current = scaling_types;
5307   }
5308
5309   setup.window_scaling_quality = scaling_type_current->identifier;
5310
5311   // needed for displaying scaling type text instead of identifier
5312   scaling_type_text = scaling_type_current->name;
5313 }
5314
5315 static void execSetupGraphics_setRenderingModes(void)
5316 {
5317   if (rendering_modes == NULL)
5318   {
5319     int i;
5320
5321     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5322     {
5323       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5324       char identifier[32], name[32];
5325       char *value = rendering_modes_list[i].value;
5326       char *text = rendering_modes_list[i].text;
5327
5328       ti->node_top = &rendering_modes;
5329       ti->sort_priority = i;
5330
5331       sprintf(identifier, "%s", value);
5332       sprintf(name, "%s", text);
5333
5334       setString(&ti->identifier, identifier);
5335       setString(&ti->name, name);
5336       setString(&ti->name_sorting, name);
5337       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5338
5339       pushTreeInfo(&rendering_modes, ti);
5340     }
5341
5342     // sort rendering mode values to start with lowest rendering mode value
5343     sortTreeInfo(&rendering_modes);
5344
5345     // set current rendering mode value to configured rendering mode value
5346     rendering_mode_current =
5347       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5348
5349     // if that fails, set current rendering mode to reliable default value
5350     if (rendering_mode_current == NULL)
5351       rendering_mode_current =
5352         getTreeInfoFromIdentifier(rendering_modes,
5353                                   STR_SPECIAL_RENDERING_DEFAULT);
5354
5355     // if that also fails, set current rendering mode to first available one
5356     if (rendering_mode_current == NULL)
5357       rendering_mode_current = rendering_modes;
5358   }
5359
5360   setup.screen_rendering_mode = rendering_mode_current->identifier;
5361
5362   // needed for displaying rendering mode text instead of identifier
5363   rendering_mode_text = rendering_mode_current->name;
5364 }
5365
5366 static void execSetupGraphics_setVsyncModes(boolean update_value)
5367 {
5368   if (vsync_modes == NULL)
5369   {
5370     int i;
5371
5372     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5373     {
5374       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5375       char identifier[32], name[32];
5376       char *value = vsync_modes_list[i].value;
5377       char *text = vsync_modes_list[i].text;
5378
5379       ti->node_top = &vsync_modes;
5380       ti->sort_priority = i;
5381
5382       sprintf(identifier, "%s", value);
5383       sprintf(name, "%s", text);
5384
5385       setString(&ti->identifier, identifier);
5386       setString(&ti->name, name);
5387       setString(&ti->name_sorting, name);
5388       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5389
5390       pushTreeInfo(&vsync_modes, ti);
5391     }
5392
5393     // sort vsync mode values to start with lowest vsync mode value
5394     sortTreeInfo(&vsync_modes);
5395
5396     update_value = TRUE;
5397   }
5398
5399   if (update_value)
5400   {
5401     // set current vsync mode value to configured vsync mode value
5402     vsync_mode_current =
5403       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5404
5405     // if that fails, set current vsync mode to reliable default value
5406     if (vsync_mode_current == NULL)
5407       vsync_mode_current =
5408         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5409
5410     // if that also fails, set current vsync mode to first available one
5411     if (vsync_mode_current == NULL)
5412       vsync_mode_current = vsync_modes;
5413   }
5414
5415   setup.vsync_mode = vsync_mode_current->identifier;
5416
5417   // needed for displaying vsync mode text instead of identifier
5418   vsync_mode_text = vsync_mode_current->name;
5419 }
5420
5421 static void execSetupGraphics(void)
5422 {
5423   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5424
5425   // update "setup.window_scaling_percent" from list selection
5426   // (in this case, window scaling was changed on setup screen)
5427   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5428     execSetupGraphics_setWindowSizes(FALSE);
5429
5430   // update "setup.vsync_mode" from list selection
5431   // (in this case, vsync mode was changed on setup screen)
5432   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5433     execSetupGraphics_setVsyncModes(FALSE);
5434
5435   // update list selection from "setup.window_scaling_percent"
5436   // (window scaling may have changed by resizing the window)
5437   execSetupGraphics_setWindowSizes(TRUE);
5438
5439   // update list selection from "setup.vsync_mode"
5440   // (vsync_mode may have changed by re-creating the renderer)
5441   execSetupGraphics_setVsyncModes(TRUE);
5442
5443   execSetupGraphics_setScalingTypes();
5444   execSetupGraphics_setRenderingModes();
5445
5446   setup_mode = SETUP_MODE_GRAPHICS;
5447
5448   DrawSetupScreen();
5449
5450   // check if game speed is high enough for 60 Hz vsync to work
5451   if (check_game_speed)
5452     ModifyGameSpeedIfNeeded();
5453
5454   // window scaling may have changed at this point
5455   ChangeWindowScalingIfNeeded();
5456
5457   // window scaling quality may have changed at this point
5458   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5459     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5460
5461   // screen rendering mode may have changed at this point
5462   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5463
5464   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5465   int video_vsync_mode = video.vsync_mode;
5466
5467   // screen vsync mode may have changed at this point
5468   ChangeVsyncModeIfNeeded();
5469
5470   // check if setting vsync mode to selected value failed
5471   if (setup_vsync_mode != video_vsync_mode &&
5472       setup_vsync_mode != video.vsync_mode)
5473   {
5474     // changing vsync mode to selected value failed -- reset displayed value
5475     execSetupGraphics_setVsyncModes(TRUE);
5476
5477     Request("Setting VSync failed!", REQ_CONFIRM);
5478
5479     DrawSetupScreen();
5480   }
5481 }
5482
5483 static void execSetupChooseWindowSize(void)
5484 {
5485   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5486
5487   DrawSetupScreen();
5488 }
5489
5490 static void execSetupChooseScalingType(void)
5491 {
5492   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5493
5494   DrawSetupScreen();
5495 }
5496
5497 static void execSetupChooseRenderingMode(void)
5498 {
5499   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5500
5501   DrawSetupScreen();
5502 }
5503
5504 static void execSetupChooseVsyncMode(void)
5505 {
5506   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5507
5508   DrawSetupScreen();
5509 }
5510
5511 static void execSetupChooseVolumeSimple(void)
5512 {
5513   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5514
5515   DrawSetupScreen();
5516 }
5517
5518 static void execSetupChooseVolumeLoops(void)
5519 {
5520   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5521
5522   DrawSetupScreen();
5523 }
5524
5525 static void execSetupChooseVolumeMusic(void)
5526 {
5527   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5528
5529   DrawSetupScreen();
5530 }
5531
5532 static void execSetupSound(void)
5533 {
5534   if (volumes_simple == NULL)
5535   {
5536     boolean current_volume_simple_found = FALSE;
5537     int i;
5538
5539     for (i = 0; volumes_list[i].value != -1; i++)
5540     {
5541       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5542       char identifier[32], name[32];
5543       int value = volumes_list[i].value;
5544       char *text = volumes_list[i].text;
5545
5546       ti->node_top = &volumes_simple;
5547       ti->sort_priority = value;
5548
5549       sprintf(identifier, "%d", value);
5550       sprintf(name, "%s", text);
5551
5552       setString(&ti->identifier, identifier);
5553       setString(&ti->name, name);
5554       setString(&ti->name_sorting, name);
5555       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5556
5557       pushTreeInfo(&volumes_simple, ti);
5558
5559       if (value == setup.volume_simple)
5560         current_volume_simple_found = TRUE;
5561     }
5562
5563     if (!current_volume_simple_found)
5564     {
5565       // add entry for non-preset volume value
5566
5567       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5568       char identifier[32], name[32];
5569       int value = setup.volume_simple;
5570
5571       ti->node_top = &volumes_simple;
5572       ti->sort_priority = value;
5573
5574       sprintf(identifier, "%d", value);
5575       sprintf(name, "%d %% (Current)", value);
5576
5577       setString(&ti->identifier, identifier);
5578       setString(&ti->name, name);
5579       setString(&ti->name_sorting, name);
5580       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5581
5582       pushTreeInfo(&volumes_simple, ti);
5583     }
5584
5585     // sort volume values to start with lowest volume value
5586     sortTreeInfo(&volumes_simple);
5587
5588     // set current volume value to configured volume value
5589     volume_simple_current =
5590       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5591
5592     // if that fails, set current volume to reliable default value
5593     if (volume_simple_current == NULL)
5594       volume_simple_current =
5595         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5596
5597     // if that also fails, set current volume to first available value
5598     if (volume_simple_current == NULL)
5599       volume_simple_current = volumes_simple;
5600   }
5601
5602   if (volumes_loops == NULL)
5603   {
5604     boolean current_volume_loops_found = FALSE;
5605     int i;
5606
5607     for (i = 0; volumes_list[i].value != -1; i++)
5608     {
5609       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5610       char identifier[32], name[32];
5611       int value = volumes_list[i].value;
5612       char *text = volumes_list[i].text;
5613
5614       ti->node_top = &volumes_loops;
5615       ti->sort_priority = value;
5616
5617       sprintf(identifier, "%d", value);
5618       sprintf(name, "%s", text);
5619
5620       setString(&ti->identifier, identifier);
5621       setString(&ti->name, name);
5622       setString(&ti->name_sorting, name);
5623       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5624
5625       pushTreeInfo(&volumes_loops, ti);
5626
5627       if (value == setup.volume_loops)
5628         current_volume_loops_found = TRUE;
5629     }
5630
5631     if (!current_volume_loops_found)
5632     {
5633       // add entry for non-preset volume value
5634
5635       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5636       char identifier[32], name[32];
5637       int value = setup.volume_loops;
5638
5639       ti->node_top = &volumes_loops;
5640       ti->sort_priority = value;
5641
5642       sprintf(identifier, "%d", value);
5643       sprintf(name, "%d %% (Current)", value);
5644
5645       setString(&ti->identifier, identifier);
5646       setString(&ti->name, name);
5647       setString(&ti->name_sorting, name);
5648       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5649
5650       pushTreeInfo(&volumes_loops, ti);
5651     }
5652
5653     // sort volume values to start with lowest volume value
5654     sortTreeInfo(&volumes_loops);
5655
5656     // set current volume value to configured volume value
5657     volume_loops_current =
5658       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5659
5660     // if that fails, set current volume to reliable default value
5661     if (volume_loops_current == NULL)
5662       volume_loops_current =
5663         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5664
5665     // if that also fails, set current volume to first available value
5666     if (volume_loops_current == NULL)
5667       volume_loops_current = volumes_loops;
5668   }
5669
5670   if (volumes_music == NULL)
5671   {
5672     boolean current_volume_music_found = FALSE;
5673     int i;
5674
5675     for (i = 0; volumes_list[i].value != -1; i++)
5676     {
5677       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5678       char identifier[32], name[32];
5679       int value = volumes_list[i].value;
5680       char *text = volumes_list[i].text;
5681
5682       ti->node_top = &volumes_music;
5683       ti->sort_priority = value;
5684
5685       sprintf(identifier, "%d", value);
5686       sprintf(name, "%s", text);
5687
5688       setString(&ti->identifier, identifier);
5689       setString(&ti->name, name);
5690       setString(&ti->name_sorting, name);
5691       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5692
5693       pushTreeInfo(&volumes_music, ti);
5694
5695       if (value == setup.volume_music)
5696         current_volume_music_found = TRUE;
5697     }
5698
5699     if (!current_volume_music_found)
5700     {
5701       // add entry for non-preset volume value
5702
5703       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5704       char identifier[32], name[32];
5705       int value = setup.volume_music;
5706
5707       ti->node_top = &volumes_music;
5708       ti->sort_priority = value;
5709
5710       sprintf(identifier, "%d", value);
5711       sprintf(name, "%d %% (Current)", value);
5712
5713       setString(&ti->identifier, identifier);
5714       setString(&ti->name, name);
5715       setString(&ti->name_sorting, name);
5716       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5717
5718       pushTreeInfo(&volumes_music, ti);
5719     }
5720
5721     // sort volume values to start with lowest volume value
5722     sortTreeInfo(&volumes_music);
5723
5724     // set current volume value to configured volume value
5725     volume_music_current =
5726       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5727
5728     // if that fails, set current volume to reliable default value
5729     if (volume_music_current == NULL)
5730       volume_music_current =
5731         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5732
5733     // if that also fails, set current volume to first available value
5734     if (volume_music_current == NULL)
5735       volume_music_current = volumes_music;
5736   }
5737
5738   setup.volume_simple = atoi(volume_simple_current->identifier);
5739   setup.volume_loops  = atoi(volume_loops_current->identifier);
5740   setup.volume_music  = atoi(volume_music_current->identifier);
5741
5742   // needed for displaying volume text instead of identifier
5743   volume_simple_text = volume_simple_current->name;
5744   volume_loops_text = volume_loops_current->name;
5745   volume_music_text = volume_music_current->name;
5746
5747   setup_mode = SETUP_MODE_SOUND;
5748
5749   DrawSetupScreen();
5750 }
5751
5752 static void execSetupChooseTouchControls(void)
5753 {
5754   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5755
5756   DrawSetupScreen();
5757 }
5758
5759 static void execSetupChooseMoveDistance(void)
5760 {
5761   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5762
5763   DrawSetupScreen();
5764 }
5765
5766 static void execSetupChooseDropDistance(void)
5767 {
5768   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5769
5770   DrawSetupScreen();
5771 }
5772
5773 static void execSetupChooseTransparency(void)
5774 {
5775   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5776
5777   DrawSetupScreen();
5778 }
5779
5780 static void execSetupChooseGridXSize_0(void)
5781 {
5782   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5783
5784   DrawSetupScreen();
5785 }
5786
5787 static void execSetupChooseGridYSize_0(void)
5788 {
5789   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5790
5791   DrawSetupScreen();
5792 }
5793
5794 static void execSetupChooseGridXSize_1(void)
5795 {
5796   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5797
5798   DrawSetupScreen();
5799 }
5800
5801 static void execSetupChooseGridYSize_1(void)
5802 {
5803   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5804
5805   DrawSetupScreen();
5806 }
5807
5808 static void execSetupConfigureVirtualButtons(void)
5809 {
5810   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5811
5812   ConfigureVirtualButtons();
5813
5814   setup_mode = SETUP_MODE_TOUCH;
5815
5816   DrawSetupScreen();
5817 }
5818
5819 static void execSetupTouch(void)
5820 {
5821   int i, j, k;
5822
5823   if (touch_controls == NULL)
5824   {
5825     for (i = 0; touch_controls_list[i].value != NULL; i++)
5826     {
5827       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5828       char identifier[32], name[32];
5829       char *value = touch_controls_list[i].value;
5830       char *text = touch_controls_list[i].text;
5831
5832       ti->node_top = &touch_controls;
5833       ti->sort_priority = i;
5834
5835       sprintf(identifier, "%s", value);
5836       sprintf(name, "%s", text);
5837
5838       setString(&ti->identifier, identifier);
5839       setString(&ti->name, name);
5840       setString(&ti->name_sorting, name);
5841       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5842
5843       pushTreeInfo(&touch_controls, ti);
5844     }
5845
5846     // sort touch control values to start with lowest touch control value
5847     sortTreeInfo(&touch_controls);
5848
5849     // set current touch control value to configured touch control value
5850     touch_control_current =
5851       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5852
5853     // if that fails, set current touch control to reliable default value
5854     if (touch_control_current == NULL)
5855       touch_control_current =
5856         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5857
5858     // if that also fails, set current touch control to first available value
5859     if (touch_control_current == NULL)
5860       touch_control_current = touch_controls;
5861   }
5862
5863   if (move_distances == NULL)
5864   {
5865     for (i = 0; distances_list[i].value != -1; i++)
5866     {
5867       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5868       char identifier[32], name[32];
5869       int value = distances_list[i].value;
5870       char *text = distances_list[i].text;
5871
5872       ti->node_top = &move_distances;
5873       ti->sort_priority = value;
5874
5875       sprintf(identifier, "%d", value);
5876       sprintf(name, "%s", text);
5877
5878       setString(&ti->identifier, identifier);
5879       setString(&ti->name, name);
5880       setString(&ti->name_sorting, name);
5881       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5882
5883       pushTreeInfo(&move_distances, ti);
5884     }
5885
5886     // sort distance values to start with lowest distance value
5887     sortTreeInfo(&move_distances);
5888
5889     // set current distance value to configured distance value
5890     move_distance_current =
5891       getTreeInfoFromIdentifier(move_distances,
5892                                 i_to_a(setup.touch.move_distance));
5893
5894     // if that fails, set current distance to reliable default value
5895     if (move_distance_current == NULL)
5896       move_distance_current =
5897         getTreeInfoFromIdentifier(move_distances,
5898                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5899
5900     // if that also fails, set current distance to first available value
5901     if (move_distance_current == NULL)
5902       move_distance_current = move_distances;
5903   }
5904
5905   if (drop_distances == NULL)
5906   {
5907     for (i = 0; distances_list[i].value != -1; i++)
5908     {
5909       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5910       char identifier[32], name[32];
5911       int value = distances_list[i].value;
5912       char *text = distances_list[i].text;
5913
5914       ti->node_top = &drop_distances;
5915       ti->sort_priority = value;
5916
5917       sprintf(identifier, "%d", value);
5918       sprintf(name, "%s", text);
5919
5920       setString(&ti->identifier, identifier);
5921       setString(&ti->name, name);
5922       setString(&ti->name_sorting, name);
5923       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5924
5925       pushTreeInfo(&drop_distances, ti);
5926     }
5927
5928     // sort distance values to start with lowest distance value
5929     sortTreeInfo(&drop_distances);
5930
5931     // set current distance value to configured distance value
5932     drop_distance_current =
5933       getTreeInfoFromIdentifier(drop_distances,
5934                                 i_to_a(setup.touch.drop_distance));
5935
5936     // if that fails, set current distance to reliable default value
5937     if (drop_distance_current == NULL)
5938       drop_distance_current =
5939         getTreeInfoFromIdentifier(drop_distances,
5940                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5941
5942     // if that also fails, set current distance to first available value
5943     if (drop_distance_current == NULL)
5944       drop_distance_current = drop_distances;
5945   }
5946
5947   if (transparencies == NULL)
5948   {
5949     for (i = 0; transparencies_list[i].value != -1; i++)
5950     {
5951       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5952       char identifier[32], name[32];
5953       int value = transparencies_list[i].value;
5954       char *text = transparencies_list[i].text;
5955
5956       ti->node_top = &transparencies;
5957       ti->sort_priority = value;
5958
5959       sprintf(identifier, "%d", value);
5960       sprintf(name, "%s", text);
5961
5962       setString(&ti->identifier, identifier);
5963       setString(&ti->name, name);
5964       setString(&ti->name_sorting, name);
5965       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5966
5967       pushTreeInfo(&transparencies, ti);
5968     }
5969
5970     // sort transparency values to start with lowest transparency value
5971     sortTreeInfo(&transparencies);
5972
5973     // set current transparency value to configured transparency value
5974     transparency_current =
5975       getTreeInfoFromIdentifier(transparencies,
5976                                 i_to_a(setup.touch.transparency));
5977
5978     // if that fails, set current transparency to reliable default value
5979     if (transparency_current == NULL)
5980       transparency_current =
5981         getTreeInfoFromIdentifier(transparencies,
5982                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5983
5984     // if that also fails, set current transparency to first available value
5985     if (transparency_current == NULL)
5986       transparency_current = transparencies;
5987   }
5988
5989   for (i = 0; i < 2; i++)
5990   {
5991     for (j = 0; j < 2; j++)
5992     {
5993       if (grid_sizes[i][j] == NULL)
5994       {
5995         for (k = 0; grid_sizes_list[k].value != -1; k++)
5996         {
5997           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5998           char identifier[32], name[32];
5999           int value = grid_sizes_list[k].value;
6000           char *text = grid_sizes_list[k].text;
6001
6002           ti->node_top = &grid_sizes[i][j];
6003           ti->sort_priority = value;
6004
6005           sprintf(identifier, "%d", value);
6006           sprintf(name, "%s", text);
6007
6008           setString(&ti->identifier, identifier);
6009           setString(&ti->name, name);
6010           setString(&ti->name_sorting, name);
6011           setString(&ti->infotext,
6012                     (i == 0 ?
6013                      (j == 0 ?
6014                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6015                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6016                      (j == 0 ?
6017                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6018                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6019
6020           pushTreeInfo(&grid_sizes[i][j], ti);
6021         }
6022
6023         // sort grid size values to start with lowest grid size value
6024         sortTreeInfo(&grid_sizes[i][j]);
6025
6026         // set current grid size value to configured grid size value
6027         grid_size_current[i][j] =
6028           getTreeInfoFromIdentifier(grid_sizes[i][j],
6029                                     i_to_a(j == 0 ?
6030                                            setup.touch.grid_xsize[i] :
6031                                            setup.touch.grid_ysize[i]));
6032
6033         // if that fails, set current grid size to reliable default value
6034         if (grid_size_current[i][j] == NULL)
6035           grid_size_current[i][j] =
6036             getTreeInfoFromIdentifier(grid_sizes[i][j],
6037                                       i_to_a(j == 0 ?
6038                                              DEFAULT_GRID_XSIZE(i) :
6039                                              DEFAULT_GRID_YSIZE(i)));
6040
6041         // if that also fails, set current grid size to first available value
6042         if (grid_size_current[i][j] == NULL)
6043           grid_size_current[i][j] = grid_sizes[i][j];
6044       }
6045     }
6046   }
6047
6048   setup.touch.control_type = touch_control_current->identifier;
6049   setup.touch.move_distance = atoi(move_distance_current->identifier);
6050   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6051   setup.touch.transparency = atoi(transparency_current->identifier);
6052
6053   for (i = 0; i < 2; i++)
6054   {
6055     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6056     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6057
6058     if (i == GRID_ACTIVE_NR())
6059     {
6060       overlay.grid_xsize = setup.touch.grid_xsize[i];
6061       overlay.grid_ysize = setup.touch.grid_ysize[i];
6062     }
6063   }
6064
6065   // needed for displaying value text instead of identifier
6066   touch_controls_text = touch_control_current->name;
6067   move_distance_text = move_distance_current->name;
6068   drop_distance_text = drop_distance_current->name;
6069   transparency_text = transparency_current->name;
6070
6071   for (i = 0; i < 2; i++)
6072     for (j = 0; j < 2; j++)
6073       grid_size_text[i][j] = grid_size_current[i][j]->name;
6074
6075   setup_mode = SETUP_MODE_TOUCH;
6076
6077   DrawSetupScreen();
6078 }
6079
6080 static void execSetupArtwork(void)
6081 {
6082 #if 0
6083   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6084         artwork.gfx_current->subdir,
6085         artwork.gfx_current->fullpath,
6086         artwork.gfx_current->basepath);
6087 #endif
6088
6089   setup.graphics_set = artwork.gfx_current->identifier;
6090   setup.sounds_set = artwork.snd_current->identifier;
6091   setup.music_set = artwork.mus_current->identifier;
6092
6093   // needed if last screen (setup choice) changed graphics, sounds or music
6094   ReloadCustomArtwork(0);
6095
6096   // needed for displaying artwork name instead of artwork identifier
6097   graphics_set_name = artwork.gfx_current->name;
6098   sounds_set_name = artwork.snd_current->name;
6099   music_set_name = artwork.mus_current->name;
6100
6101   setup_mode = SETUP_MODE_ARTWORK;
6102
6103   DrawSetupScreen();
6104 }
6105
6106 static void execSetupChooseGraphics(void)
6107 {
6108   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6109
6110   DrawSetupScreen();
6111 }
6112
6113 static void execSetupChooseSounds(void)
6114 {
6115   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6116
6117   DrawSetupScreen();
6118 }
6119
6120 static void execSetupChooseMusic(void)
6121 {
6122   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6123
6124   DrawSetupScreen();
6125 }
6126
6127 static void execSetupInput(void)
6128 {
6129   setup_mode = SETUP_MODE_INPUT;
6130
6131   DrawSetupScreen();
6132 }
6133
6134 static void execSetupShortcuts(void)
6135 {
6136   setup_mode = SETUP_MODE_SHORTCUTS;
6137
6138   DrawSetupScreen();
6139 }
6140
6141 static void execSetupShortcuts1(void)
6142 {
6143   setup_mode = SETUP_MODE_SHORTCUTS_1;
6144
6145   DrawSetupScreen();
6146 }
6147
6148 static void execSetupShortcuts2(void)
6149 {
6150   setup_mode = SETUP_MODE_SHORTCUTS_2;
6151
6152   DrawSetupScreen();
6153 }
6154
6155 static void execSetupShortcuts3(void)
6156 {
6157   setup_mode = SETUP_MODE_SHORTCUTS_3;
6158
6159   DrawSetupScreen();
6160 }
6161
6162 static void execSetupShortcuts4(void)
6163 {
6164   setup_mode = SETUP_MODE_SHORTCUTS_4;
6165
6166   DrawSetupScreen();
6167 }
6168
6169 static void execSetupShortcuts5(void)
6170 {
6171   setup_mode = SETUP_MODE_SHORTCUTS_5;
6172
6173   DrawSetupScreen();
6174 }
6175
6176 static void execExitSetup(void)
6177 {
6178   SetGameStatus(GAME_MODE_MAIN);
6179
6180   DrawMainMenu();
6181 }
6182
6183 static void execSaveAndExitSetup(void)
6184 {
6185   SaveSetup();
6186   execExitSetup();
6187 }
6188
6189 static void execGadgetNetworkServer(void)
6190 {
6191   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6192   struct GadgetInfo *gi = screen_gadget[gadget_id];
6193
6194   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6195     network_server_hostname[0] = '\0';
6196
6197   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6198
6199   MapGadget(gi);
6200
6201   ClickOnGadget(gi, MB_LEFTBUTTON);
6202 }
6203
6204 static void ToggleNetworkModeIfNeeded(void)
6205 {
6206   int font_title = FONT_TITLE_1;
6207   int font_foot = FC_BLUE;
6208   int ystart  = mSY - SY + 16;
6209   int ybottom = mSY - SY + SYSIZE - 20;
6210   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6211
6212   if (setup.network_mode == network.enabled)
6213     return;
6214
6215   network.enabled = setup.network_mode;
6216
6217   FadeOut(REDRAW_ALL);
6218
6219   ClearField();
6220
6221   DrawTextSCentered(ystart, font_title, text);
6222
6223   FadeIn(REDRAW_ALL);
6224
6225   if (network.enabled)
6226     InitNetworkServer();
6227   else
6228     DisconnectFromNetworkServer();
6229
6230   DrawTextSCentered(ybottom, font_foot,
6231                     "Press any key or button for setup menu");
6232
6233   WaitForEventToContinue();
6234
6235   DrawSetupScreen();
6236 }
6237
6238 static void ToggleGameSpeedsListIfNeeded(void)
6239 {
6240   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6241
6242   if (setup.game_speed_extended == using_game_speeds_extended)
6243     return;
6244
6245   // try to match similar values when changing game speeds list
6246   if (setup.game_speed_extended)
6247     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6248                               setup.game_frame_delay == 30 ? 29 :
6249                               setup.game_frame_delay);
6250   else
6251     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6252                               setup.game_frame_delay == 16 ? 15 :
6253                               setup.game_frame_delay >= 29 ? 30 :
6254                               setup.game_frame_delay <= 10 ? 10 :
6255                               setup.game_frame_delay);
6256
6257   execSetupGame_setGameSpeeds(TRUE);
6258
6259   DrawSetupScreen();
6260 }
6261
6262 static void ModifyGameSpeedIfNeeded(void)
6263 {
6264   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6265       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6266     return;
6267
6268   char message[100];
6269   char *game_speed_text = "Fast";
6270   int game_speed_value = 15;
6271
6272   if (setup.game_speed_extended)
6273   {
6274     game_speed_text = "60 fps";
6275     game_speed_value = 16;
6276   }
6277
6278   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6279
6280   // set game speed to existing list value that is fast enough for vsync
6281   setup.game_frame_delay = game_speed_value;
6282
6283   execSetupGame_setGameSpeeds(TRUE);
6284
6285   Request(message, REQ_CONFIRM);
6286 }
6287
6288 static void DisableVsyncIfNeeded(void)
6289 {
6290   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6291       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6292        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6293     return;
6294
6295   // disable vsync for the selected game speed to work
6296   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6297
6298   execSetupGraphics_setVsyncModes(TRUE);
6299
6300   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6301 }
6302
6303 static struct
6304 {
6305   void *value;
6306   void *related_value;
6307 } hide_related_entry_list[] =
6308 {
6309   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6310   { &setup.game_frame_delay,            &game_speed_text                },
6311
6312   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6313   { &setup.scroll_delay_value,          &scroll_delay_text              },
6314
6315   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6316   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6317
6318   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6319   { &setup.window_scaling_percent,      &window_size_text               },
6320
6321   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6322   { &setup.window_scaling_quality,      &scaling_type_text              },
6323
6324   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6325   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6326
6327   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6328   { &setup.vsync_mode,                  &vsync_mode_text                },
6329
6330   { &setup.graphics_set,                execSetupChooseGraphics         },
6331   { &setup.graphics_set,                &graphics_set_name              },
6332
6333   { &setup.sounds_set,                  execSetupChooseSounds           },
6334   { &setup.sounds_set,                  &sounds_set_name                },
6335
6336   { &setup.music_set,                   execSetupChooseMusic            },
6337   { &setup.music_set,                   &music_set_name                 },
6338
6339   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6340   { &setup.volume_simple,               &volume_simple_text             },
6341
6342   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6343   { &setup.volume_loops,                &volume_loops_text              },
6344
6345   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6346   { &setup.volume_music,                &volume_music_text              },
6347
6348   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6349   { &setup.touch.control_type,          &touch_controls_text            },
6350
6351   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6352   { &setup.touch.move_distance,         &move_distance_text             },
6353
6354   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6355   { &setup.touch.drop_distance,         &drop_distance_text             },
6356
6357   { &setup.touch.transparency,          execSetupChooseTransparency     },
6358   { &setup.touch.transparency,          &transparency_text              },
6359
6360   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6361   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6362
6363   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6364   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6365
6366   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6367   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6368
6369   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6370   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6371
6372   { &setup.internal.menu_game,          execSetupGame                   },
6373   { &setup.internal.menu_engines,       execSetupEngines                },
6374   { &setup.internal.menu_editor,        execSetupEditor                 },
6375   { &setup.internal.menu_graphics,      execSetupGraphics               },
6376   { &setup.internal.menu_sound,         execSetupSound                  },
6377   { &setup.internal.menu_artwork,       execSetupArtwork                },
6378   { &setup.internal.menu_input,         execSetupInput                  },
6379   { &setup.internal.menu_touch,         execSetupTouch                  },
6380   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6381   { &setup.internal.menu_exit,          execExitSetup                   },
6382   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6383
6384   { NULL,                               NULL                            }
6385 };
6386
6387 void setHideRelatedSetupEntries(void)
6388 {
6389   int i;
6390
6391   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6392     if (hideSetupEntry(hide_related_entry_list[i].value))
6393       setHideSetupEntry(hide_related_entry_list[i].related_value);
6394 }
6395
6396 static struct TokenInfo setup_info_main[] =
6397 {
6398   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6399   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6400   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6401   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6402   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6403   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6404   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6405   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6406   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6407   { TYPE_EMPTY,         NULL,                   ""                      },
6408   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6409   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6410
6411   { 0,                  NULL,                   NULL                    }
6412 };
6413
6414 static struct TokenInfo setup_info_game[] =
6415 {
6416   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6417   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6418   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6419   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6420   { TYPE_STRING,        &network_server_text,   ""                      },
6421   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6422   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6423   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6424   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6425   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6426   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6427   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6428   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6429   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6430   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6431   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6432   { TYPE_STRING,        &game_speed_text,       ""                      },
6433   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6434 #if 1
6435   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6436   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6437 #endif
6438   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6439   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6440   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6441   { TYPE_EMPTY,         NULL,                   ""                      },
6442   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6443
6444   { 0,                  NULL,                   NULL                    }
6445 };
6446
6447 static struct TokenInfo setup_info_engines[] =
6448 {
6449   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6450   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6451   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6452   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6453   { TYPE_EMPTY,         NULL,                   ""                      },
6454   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6455   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6456   { TYPE_EMPTY,         NULL,                   ""                      },
6457   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6458
6459   { 0,                  NULL,                   NULL                    }
6460 };
6461
6462 static struct TokenInfo setup_info_editor[] =
6463 {
6464 #if 0
6465   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6466   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6467   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6468   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6469   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6470   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6471   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6472   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6473   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6474   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6475 #endif
6476   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6477   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6478 #if 0
6479   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6480 #endif
6481   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6482   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6483   { TYPE_EMPTY,         NULL,                   ""                      },
6484 #if 0
6485   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6486   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6487   { TYPE_EMPTY,         NULL,                   ""                      },
6488 #endif
6489   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6490   { TYPE_EMPTY,         NULL,                   ""                      },
6491   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6492
6493   { 0,                  NULL,                   NULL                    }
6494 };
6495
6496 static struct TokenInfo setup_info_graphics[] =
6497 {
6498 #if !defined(PLATFORM_ANDROID)
6499   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6500   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6501   { TYPE_STRING,        &window_size_text,      ""                      },
6502   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6503   { TYPE_STRING,        &scaling_type_text,     ""                      },
6504   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6505   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6506 #endif
6507 #if 0
6508   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6509   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6510 #endif
6511   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6512   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6513   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6514   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6515   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6516   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6517   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6518   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6519   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6520   { TYPE_EMPTY,         NULL,                   ""                      },
6521   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6522
6523   { 0,                  NULL,                   NULL                    }
6524 };
6525
6526 static struct TokenInfo setup_info_sound[] =
6527 {
6528   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6529   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6530   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6531   { TYPE_EMPTY,         NULL,                   ""                      },
6532   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6533   { TYPE_STRING,        &volume_simple_text,    ""                      },
6534   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6535   { TYPE_STRING,        &volume_loops_text,     ""                      },
6536   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6537   { TYPE_STRING,        &volume_music_text,     ""                      },
6538   { TYPE_EMPTY,         NULL,                   ""                      },
6539   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6540
6541   { 0,                  NULL,                   NULL                    }
6542 };
6543
6544 static struct TokenInfo setup_info_artwork[] =
6545 {
6546   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6547   { TYPE_STRING,        &graphics_set_name,     ""                      },
6548   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6549   { TYPE_STRING,        &sounds_set_name,       ""                      },
6550   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6551   { TYPE_STRING,        &music_set_name,        ""                      },
6552   { TYPE_EMPTY,         NULL,                   ""                      },
6553   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6554   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6555   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6556   { TYPE_EMPTY,         NULL,                   ""                      },
6557   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6558
6559   { 0,                  NULL,                   NULL                    }
6560 };
6561
6562 static struct TokenInfo setup_info_input[] =
6563 {
6564   { TYPE_SWITCH,        NULL,                   "Player:"               },
6565   { TYPE_SWITCH,        NULL,                   "Device:"               },
6566   { TYPE_SWITCH,        NULL,                   ""                      },
6567   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6568   { TYPE_EMPTY,         NULL,                   ""                      },
6569   { TYPE_EMPTY,         NULL,                   ""                      },
6570   { TYPE_EMPTY,         NULL,                   ""                      },
6571   { TYPE_EMPTY,         NULL,                   ""                      },
6572   { TYPE_EMPTY,         NULL,                   ""                      },
6573   { TYPE_EMPTY,         NULL,                   ""                      },
6574   { TYPE_EMPTY,         NULL,                   ""                      },
6575   { TYPE_EMPTY,         NULL,                   ""                      },
6576   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6577   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6578
6579   { 0,                  NULL,                   NULL                    }
6580 };
6581
6582 static struct TokenInfo setup_info_touch[] =
6583 {
6584   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6585   { TYPE_STRING,        &touch_controls_text,   ""                      },
6586   { TYPE_EMPTY,         NULL,                   ""                      },
6587   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6588
6589   { 0,                  NULL,                   NULL                    }
6590 };
6591
6592 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6593 {
6594   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6595   { TYPE_STRING,        &touch_controls_text,   ""                      },
6596   { TYPE_EMPTY,         NULL,                   ""                      },
6597   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6598   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6599   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6600   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6601   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6602   { TYPE_STRING,        &transparency_text,     ""                      },
6603   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6604   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6605   { TYPE_EMPTY,         NULL,                   ""                      },
6606   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6607   { TYPE_EMPTY,         NULL,                   ""                      },
6608   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6609
6610   { 0,                  NULL,                   NULL                    }
6611 };
6612
6613 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6614 {
6615   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6616   { TYPE_STRING,        &touch_controls_text,   ""                      },
6617   { TYPE_EMPTY,         NULL,                   ""                      },
6618   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6619   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6620   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6621   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6622   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6623   { TYPE_STRING,        &transparency_text,     ""                      },
6624   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6625   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6626   { TYPE_EMPTY,         NULL,                   ""                      },
6627   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6628   { TYPE_EMPTY,         NULL,                   ""                      },
6629   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6630
6631   { 0,                  NULL,                   NULL                    }
6632 };
6633
6634 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6635 {
6636   setup_info_touch_virtual_buttons_0,
6637   setup_info_touch_virtual_buttons_1
6638 };
6639
6640 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6641 {
6642   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6643   { TYPE_STRING,        &touch_controls_text,   ""                      },
6644   { TYPE_EMPTY,         NULL,                   ""                      },
6645   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6646   { TYPE_STRING,        &move_distance_text,    ""                      },
6647   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6648   { TYPE_STRING,        &drop_distance_text,    ""                      },
6649   { TYPE_EMPTY,         NULL,                   ""                      },
6650   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6651
6652   { 0,                  NULL,                   NULL                    }
6653 };
6654
6655 static struct TokenInfo setup_info_shortcuts[] =
6656 {
6657   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6658   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6659   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6660   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6661   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6662   { TYPE_EMPTY,         NULL,                   ""                      },
6663   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6664
6665   { 0,                  NULL,                   NULL                    }
6666 };
6667
6668 static struct TokenInfo setup_info_shortcuts_1[] =
6669 {
6670   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6671   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6672   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6673   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6674   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6675   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6676   { TYPE_EMPTY,         NULL,                   ""                      },
6677   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6678   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6679   { TYPE_EMPTY,         NULL,                   ""                      },
6680   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6681
6682   { 0,                  NULL,                   NULL                    }
6683 };
6684
6685 static struct TokenInfo setup_info_shortcuts_2[] =
6686 {
6687   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6688   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6689   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6690   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6691   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6692   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6693   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6694   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6695   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6696   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6697   { TYPE_EMPTY,         NULL,                   ""                      },
6698   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6699
6700   { 0,                  NULL,                   NULL                    }
6701 };
6702
6703 static struct TokenInfo setup_info_shortcuts_3[] =
6704 {
6705   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6706   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6707   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6708   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6709   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6710   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6711   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6712   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6713   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6714   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6715   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6716   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6717   { TYPE_EMPTY,         NULL,                   ""                      },
6718   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6719
6720   { 0,                  NULL,                   NULL                    }
6721 };
6722
6723 static struct TokenInfo setup_info_shortcuts_4[] =
6724 {
6725   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6726   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6727   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6728   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6729   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6730   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6731   { TYPE_EMPTY,         NULL,                   ""                      },
6732   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6733
6734   { 0,                  NULL,                   NULL                    }
6735 };
6736
6737 static struct TokenInfo setup_info_shortcuts_5[] =
6738 {
6739   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6740   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6741   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6742   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6743   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6744   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6745   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6746   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6747   { TYPE_EMPTY,         NULL,                   ""                      },
6748   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6749
6750   { 0,                  NULL,                   NULL                    }
6751 };
6752
6753 static Key getSetupKey(void)
6754 {
6755   Key key = KSYM_UNDEFINED;
6756   boolean got_key_event = FALSE;
6757
6758   while (!got_key_event)
6759   {
6760     Event event;
6761
6762     if (NextValidEvent(&event))
6763     {
6764       switch (event.type)
6765       {
6766         case EVENT_KEYPRESS:
6767           {
6768             key = GetEventKey((KeyEvent *)&event, TRUE);
6769
6770             // press 'Escape' or 'Enter' to keep the existing key binding
6771             if (key == KSYM_Escape || key == KSYM_Return)
6772               key = KSYM_UNDEFINED;     // keep old value
6773
6774             got_key_event = TRUE;
6775           }
6776           break;
6777
6778         case EVENT_KEYRELEASE:
6779           key_joystick_mapping = 0;
6780           break;
6781
6782         default:
6783           HandleOtherEvents(&event);
6784           break;
6785       }
6786     }
6787
6788     BackToFront();
6789   }
6790
6791   return key;
6792 }
6793
6794 static int getSetupValueFont(int type, void *value)
6795 {
6796   if (type & TYPE_GHOSTED)
6797     return FONT_OPTION_OFF;
6798   else if (type & TYPE_KEY)
6799     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6800   else if (type & TYPE_STRING)
6801     return FONT_VALUE_2;
6802   else if (type & TYPE_ECS_AGA)
6803     return FONT_VALUE_1;
6804   else if (type & TYPE_BOOLEAN_STYLE)
6805     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6806   else if (type & TYPE_YES_NO_AUTO)
6807     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6808             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6809   else if (type & TYPE_PLAYER)
6810     return FONT_VALUE_1;
6811   else
6812     return FONT_VALUE_1;
6813 }
6814
6815 static int getSetupValueFontNarrow(int type, int font_nr)
6816 {
6817   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6818           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6819           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6820           font_nr);
6821 }
6822
6823 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6824 {
6825   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6826   struct TokenInfo *si = &setup_info[si_pos];
6827   boolean font_draw_xoffset_modified = FALSE;
6828   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6829   int font_draw_xoffset_old = -1;
6830   int xoffset = (scrollbar_needed ? -1 : 0);
6831   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6832   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6833   int xpos = menu_screen_value_xpos;
6834   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6835   int startx = mSX + xpos * 32;
6836   int starty = mSY + ypos * 32;
6837   int type = si->type;
6838   void *value = si->value;
6839   char *value_string = getSetupValue(type, value);
6840   int font_nr_default = getSetupValueFont(type, value);
6841   int font_width_default = getFontWidth(font_nr_default);
6842   int font_nr = font_nr_default;
6843   int i;
6844
6845   if (value_string == NULL)
6846     return;
6847
6848   if (type & TYPE_KEY)
6849   {
6850     xpos = MENU_SCREEN_START_XPOS;
6851
6852     if (type & TYPE_QUERY)
6853       value_string = "<press key>";
6854   }
6855   else if (type & TYPE_STRING)
6856   {
6857     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
6858
6859     xpos = MENU_SCREEN_START_XPOS;
6860
6861     if (strlen(value_string) > max_value_len)
6862       value_string[max_value_len] = '\0';
6863   }
6864   else if (type & TYPE_YES_NO_AUTO)
6865   {
6866     xpos = menu_screen_value_xpos - 1;
6867   }
6868   else if (type & TYPE_PLAYER)
6869   {
6870     int displayed_player_nr = *(int *)value + 1;
6871
6872     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6873   }
6874
6875   startx = mSX + xpos * 32;
6876   starty = mSY + ypos * 32;
6877
6878   // special check if right-side setup values moved left due to scrollbar
6879   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6880   {
6881     int max_menu_text_length = 26;      // maximum text length for classic menu
6882     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6883     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6884     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6885     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6886     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6887
6888     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6889     {
6890       // when using narrow font, left-shifting text "auto" not needed
6891       if (type & TYPE_YES_NO_AUTO)
6892         xpos += 1;
6893
6894       xpos += 1;
6895       startx = mSX + xpos * 32;
6896
6897       font_nr = getSetupValueFontNarrow(type, font_nr);
6898     }
6899   }
6900
6901   // downward compatibility correction for Juergen Bonhagen's menu settings
6902   if (setup_mode != SETUP_MODE_INPUT)
6903   {
6904     int max_menu_text_length_big = (menu_screen_value_xpos -
6905                                     MENU_SCREEN_START_XPOS);
6906     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6907     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
6908     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6909     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6910     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6911     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6912     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6913     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6914     boolean correct_font_draw_xoffset = FALSE;
6915
6916     if (xpos == MENU_SCREEN_START_XPOS &&
6917         startx + font1_xoffset < text_startx + text_font_xoffset)
6918       correct_font_draw_xoffset = TRUE;
6919
6920     if (xpos == menu_screen_value_xpos &&
6921         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6922       correct_font_draw_xoffset = TRUE;
6923
6924     // check if setup value would overlap with setup text when printed
6925     // (this can happen for extreme/wrong values for font draw offset)
6926     if (correct_font_draw_xoffset)
6927     {
6928       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6929       font_draw_xoffset_modified = TRUE;
6930
6931       if (type & TYPE_KEY)
6932         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6933       else if (!(type & TYPE_STRING))
6934         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6935           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6936     }
6937   }
6938
6939   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6940     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6941
6942   DrawText(startx, starty, value_string, font_nr);
6943
6944   if (type & TYPE_PLAYER)
6945   {
6946     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6947     int player_nr = *(int *)value;
6948     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6949     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6950     int startx2 = startx + xoff;
6951     int starty2 = starty + yoff;
6952
6953     if (DrawingOnBackground(startx2, starty2))
6954       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6955
6956     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6957                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6958   }
6959
6960   if (font_draw_xoffset_modified)
6961     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6962 }
6963
6964 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6965 {
6966   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6967   struct TokenInfo *si = &setup_info[si_pos];
6968
6969   if (si->type & TYPE_BOOLEAN_STYLE)
6970   {
6971     *(boolean *)si->value ^= TRUE;
6972   }
6973   else if (si->type & TYPE_YES_NO_AUTO)
6974   {
6975     *(int *)si->value =
6976       (dx == -1 ?
6977        (*(int *)si->value == AUTO ? TRUE :
6978         *(int *)si->value == TRUE ? FALSE : AUTO) :
6979        (*(int *)si->value == TRUE ? AUTO :
6980         *(int *)si->value == AUTO ? FALSE : TRUE));
6981   }
6982   else if (si->type & TYPE_KEY)
6983   {
6984     Key key;
6985
6986     si->type |= TYPE_QUERY;
6987     drawSetupValue(screen_pos, setup_info_pos_raw);
6988     si->type &= ~TYPE_QUERY;
6989
6990     key = getSetupKey();
6991     if (key != KSYM_UNDEFINED)
6992       *(Key *)si->value = key;
6993   }
6994   else if (si->type & TYPE_PLAYER)
6995   {
6996     int player_nr = *(int *)si->value;
6997
6998     if (dx)
6999       player_nr += dx;
7000     else
7001       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7002
7003     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7004   }
7005
7006   drawSetupValue(screen_pos, setup_info_pos_raw);
7007
7008   // fullscreen state may have changed at this point
7009   if (si->value == &setup.fullscreen)
7010     ToggleFullscreenIfNeeded();
7011
7012   // network mode may have changed at this point
7013   if (si->value == &setup.network_mode)
7014     ToggleNetworkModeIfNeeded();
7015
7016   // game speed list may have changed at this point
7017   if (si->value == &setup.game_speed_extended)
7018     ToggleGameSpeedsListIfNeeded();
7019 }
7020
7021 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7022 {
7023   static struct TokenInfo *setup_info_final = NULL;
7024   int list_size = 0;
7025   int list_pos = 0;
7026   int i;
7027
7028   // determine maximum list size of target list
7029   while (setup_info_orig[list_size++].type != 0);
7030
7031   // free, allocate and clear memory for target list
7032   checked_free(setup_info_final);
7033   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7034
7035   // copy setup info list without setup entries marked as hidden
7036   for (i = 0; setup_info_orig[i].type != 0; i++)
7037   {
7038     // skip setup entries configured to be hidden
7039     if (hideSetupEntry(setup_info_orig[i].value))
7040       continue;
7041
7042     // skip skippable setup entries if screen is lower than usual
7043     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7044         setup_info_orig[i].type == TYPE_SKIPPABLE)
7045       continue;
7046
7047     setup_info_final[list_pos++] = setup_info_orig[i];
7048   }
7049
7050   return setup_info_final;
7051 }
7052
7053 static void DrawSetupScreen_Generic(void)
7054 {
7055   int fade_mask = REDRAW_FIELD;
7056   boolean redraw_all = FALSE;
7057   char *title_string = NULL;
7058   int i;
7059
7060   if (CheckFadeAll())
7061     fade_mask = REDRAW_ALL;
7062
7063   UnmapAllGadgets();
7064   FadeMenuSoundsAndMusic();
7065
7066   FreeScreenGadgets();
7067   CreateScreenGadgets();
7068
7069   if (redraw_mask & REDRAW_ALL)
7070     redraw_all = TRUE;
7071
7072   FadeOut(fade_mask);
7073
7074   // needed if different viewport properties defined for setup screen
7075   ChangeViewportPropertiesIfNeeded();
7076
7077   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7078
7079   ClearField();
7080
7081   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7082
7083   if (setup_mode == SETUP_MODE_MAIN)
7084   {
7085     setup_info = setup_info_main;
7086     title_string = STR_SETUP_MAIN;
7087   }
7088   else if (setup_mode == SETUP_MODE_GAME)
7089   {
7090     setup_info = setup_info_game;
7091     title_string = STR_SETUP_GAME;
7092   }
7093   else if (setup_mode == SETUP_MODE_ENGINES)
7094   {
7095     setup_info = setup_info_engines;
7096     title_string = STR_SETUP_ENGINES;
7097   }
7098   else if (setup_mode == SETUP_MODE_EDITOR)
7099   {
7100     setup_info = setup_info_editor;
7101     title_string = STR_SETUP_EDITOR;
7102   }
7103   else if (setup_mode == SETUP_MODE_GRAPHICS)
7104   {
7105     setup_info = setup_info_graphics;
7106     title_string = STR_SETUP_GRAPHICS;
7107   }
7108   else if (setup_mode == SETUP_MODE_SOUND)
7109   {
7110     setup_info = setup_info_sound;
7111     title_string = STR_SETUP_SOUND;
7112   }
7113   else if (setup_mode == SETUP_MODE_ARTWORK)
7114   {
7115     setup_info = setup_info_artwork;
7116     title_string = STR_SETUP_ARTWORK;
7117   }
7118   else if (setup_mode == SETUP_MODE_TOUCH)
7119   {
7120     setup_info = setup_info_touch;
7121     title_string = STR_SETUP_TOUCH;
7122
7123     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7124       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7125     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7126       setup_info = setup_info_touch_wipe_gestures;
7127   }
7128   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7129   {
7130     setup_info = setup_info_shortcuts;
7131     title_string = STR_SETUP_SHORTCUTS;
7132   }
7133   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7134   {
7135     setup_info = setup_info_shortcuts_1;
7136     title_string = STR_SETUP_SHORTCUTS;
7137   }
7138   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7139   {
7140     setup_info = setup_info_shortcuts_2;
7141     title_string = STR_SETUP_SHORTCUTS;
7142   }
7143   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7144   {
7145     setup_info = setup_info_shortcuts_3;
7146     title_string = STR_SETUP_SHORTCUTS;
7147   }
7148   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7149   {
7150     setup_info = setup_info_shortcuts_4;
7151     title_string = STR_SETUP_SHORTCUTS;
7152   }
7153   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7154   {
7155     setup_info = setup_info_shortcuts_5;
7156     title_string = STR_SETUP_SHORTCUTS;
7157   }
7158
7159   // use modified setup info without setup entries marked as hidden
7160   setup_info = getSetupInfoFinal(setup_info);
7161
7162   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7163
7164   // determine maximal number of setup entries that can be displayed on screen
7165   num_setup_info = 0;
7166   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7167     num_setup_info++;
7168
7169   // determine maximal number of setup entries available for this setup screen
7170   max_setup_info = 0;
7171   for (i = 0; setup_info[i].type != 0; i++)
7172     max_setup_info++;
7173
7174   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7175
7176   MapScreenGadgets(max_setup_info);
7177
7178   if (redraw_all)
7179     redraw_mask = fade_mask = REDRAW_ALL;
7180
7181   DrawMaskedBorder(fade_mask);
7182
7183   FadeIn(fade_mask);
7184 }
7185
7186 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7187 {
7188   menu_info = setup_info;
7189
7190   HandleMenuScreen(mx, my, dx, dy, button,
7191                    setup_mode, num_setup_info, max_setup_info);
7192 }
7193
7194 static void DrawSetupScreen_Input(void)
7195 {
7196   int i;
7197
7198   FadeOut(REDRAW_FIELD);
7199
7200   ClearField();
7201
7202   setup_info = getSetupInfoFinal(setup_info_input);
7203
7204   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7205
7206   for (i = 0; setup_info[i].type != 0; i++)
7207   {
7208     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7209       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7210     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7211       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7212     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7213       initCursor(i, IMG_MENU_BUTTON);
7214
7215     DrawCursorAndText_Setup(i, -1, FALSE);
7216   }
7217
7218   // create gadgets for setup input menu screen
7219   FreeScreenGadgets();
7220   CreateScreenGadgets();
7221
7222   // map gadgets for setup input menu screen
7223   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7224
7225   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7226
7227   FadeIn(REDRAW_FIELD);
7228 }
7229
7230 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7231 {
7232   if (device_name == NULL)
7233     return;
7234
7235   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7236     device_nr = 0;
7237
7238   if (strlen(device_name) > 1)
7239   {
7240     char c1 = device_name[strlen(device_name) - 1];
7241     char c2 = device_name[strlen(device_name) - 2];
7242
7243     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7244       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7245   }
7246   else
7247     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7248             strlen(device_name));
7249 }
7250
7251 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7252 {
7253   int i;
7254   static struct SetupKeyboardInfo custom_key;
7255   static struct
7256   {
7257     Key *key;
7258     char *text;
7259   } custom[] =
7260   {
7261     { &custom_key.left,  "Axis/Pad Left"  },
7262     { &custom_key.right, "Axis/Pad Right" },
7263     { &custom_key.up,    "Axis/Pad Up"    },
7264     { &custom_key.down,  "Axis/Pad Down"  },
7265     { &custom_key.snap,  "Button 1/A/X"   },
7266     { &custom_key.drop,  "Button 2/B/Y"   }
7267   };
7268   static char *joystick_name[MAX_PLAYERS] =
7269   {
7270     "Joystick1",
7271     "Joystick2",
7272     "Joystick3",
7273     "Joystick4"
7274   };
7275   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7276   int font_nr_info = FONT_MENU_1;
7277   int font_nr_name = FONT_VALUE_OLD;
7278   int font_nr_on   = FONT_VALUE_1;
7279   int font_nr_off  = FONT_VALUE_OLD;
7280   int pos = 4;
7281
7282   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7283   {
7284     font_nr_info = FONT_MENU_2;
7285     font_nr_on   = FONT_VALUE_NARROW;
7286     font_nr_off  = FONT_VALUE_OLD_NARROW;
7287   }
7288
7289   custom_key = setup.input[player_nr].key;
7290
7291   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7292            FONT_INPUT_1_ACTIVE);
7293
7294   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7295                              TILEX, TILEY);
7296   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7297                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7298
7299   if (setup.input[player_nr].use_joystick)
7300   {
7301     char *device_name = setup.input[player_nr].joy.device_name;
7302     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7303     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7304     char *text = joystick_name[joystick_nr];
7305     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7306
7307     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7308     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7309   }
7310   else
7311   {
7312     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7313     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7314   }
7315
7316   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7317     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7318   else
7319     pos = 3;
7320
7321   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7322   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7323   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7324   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7325
7326   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7327   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7328   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7329   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7330   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7331   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7332
7333   for (i = 0; i < 6; i++)
7334   {
7335     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7336
7337     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7338              "              ", font_nr_on);
7339     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7340              (setup.input[player_nr].use_joystick ?
7341               custom[i].text :
7342               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7343   }
7344 }
7345
7346 static int input_player_nr = 0;
7347
7348 static void HandleSetupScreen_Input_Player(int step, int direction)
7349 {
7350   int old_player_nr = input_player_nr;
7351   int new_player_nr;
7352
7353   new_player_nr = old_player_nr + step * direction;
7354   if (new_player_nr < 0)
7355     new_player_nr = 0;
7356   if (new_player_nr > MAX_PLAYERS - 1)
7357     new_player_nr = MAX_PLAYERS - 1;
7358
7359   if (new_player_nr != old_player_nr)
7360   {
7361     input_player_nr = new_player_nr;
7362
7363     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7364   }
7365 }
7366
7367 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7368 {
7369   static int choice = 0;
7370   int x = 0;
7371   int y = choice;
7372   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7373   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7374   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7375   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7376
7377   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7378   {
7379     int i;
7380
7381     for (i = 0; setup_info_input[i].type != 0; i++)
7382     {
7383       // adjust menu structure according to skipped setup entries
7384       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7385       {
7386         pos_empty2--;
7387         pos_end--;
7388       }
7389     }
7390   }
7391
7392   if (button == MB_MENU_INITIALIZE)
7393   {
7394     // input setup menu may have changed size due to graphics configuration
7395     if (choice >= pos_empty1)
7396       choice = pos_end;
7397
7398     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7399
7400     DrawCursorAndText_Setup(choice, -1, TRUE);
7401
7402     return;
7403   }
7404   else if (button == MB_MENU_LEAVE)
7405   {
7406     setup_mode = SETUP_MODE_MAIN;
7407     DrawSetupScreen();
7408     InitJoysticks();
7409
7410     return;
7411   }
7412
7413   if (mx || my)         // mouse input
7414   {
7415     x = (mx - mSX) / 32;
7416     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7417   }
7418   else if (dx || dy)    // keyboard input
7419   {
7420     if (dx && choice == 0)
7421       x = (dx < 0 ? 10 : 12);
7422     else if ((dx && choice == 1) ||
7423              (dx == -1 && choice == pos_end))
7424       button = MB_MENU_CHOICE;
7425     else if (dy)
7426       y = choice + dy;
7427
7428     if (y >= pos_empty1 && y <= pos_empty2)
7429       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7430   }
7431
7432   if (y == 0 && dx != 0 && button)
7433   {
7434     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7435   }
7436   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7437            y >= pos_start && y <= pos_end &&
7438            !(y >= pos_empty1 && y <= pos_empty2))
7439   {
7440     if (button)
7441     {
7442       if (y != choice)
7443       {
7444         DrawCursorAndText_Setup(choice, -1, FALSE);
7445         DrawCursorAndText_Setup(y, -1, TRUE);
7446
7447         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7448
7449         choice = y;
7450       }
7451     }
7452     else
7453     {
7454       if (y == 1)
7455       {
7456         char *device_name = setup.input[input_player_nr].joy.device_name;
7457
7458         if (!setup.input[input_player_nr].use_joystick)
7459         {
7460           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7461
7462           setJoystickDeviceToNr(device_name, new_device_nr);
7463           setup.input[input_player_nr].use_joystick = TRUE;
7464         }
7465         else
7466         {
7467           int device_nr = getJoystickNrFromDeviceName(device_name);
7468           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7469
7470           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7471             setup.input[input_player_nr].use_joystick = FALSE;
7472           else
7473             setJoystickDeviceToNr(device_name, new_device_nr);
7474         }
7475
7476         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7477       }
7478       else if (y == 2)
7479       {
7480         if (setup.input[input_player_nr].use_joystick)
7481           ConfigureJoystick(input_player_nr);
7482         else
7483           CustomizeKeyboard(input_player_nr);
7484       }
7485       else if (y == pos_end)
7486       {
7487         InitJoysticks();
7488
7489         FadeSetLeaveMenu();
7490
7491         setup_mode = SETUP_MODE_MAIN;
7492         DrawSetupScreen();
7493       }
7494     }
7495   }
7496 }
7497
7498 static boolean CustomizeKeyboardMain(int player_nr)
7499 {
7500   int i;
7501   int step_nr;
7502   boolean finished = FALSE;
7503   static struct SetupKeyboardInfo custom_key;
7504   static struct
7505   {
7506     Key *key;
7507     char *text;
7508   } customize_step[] =
7509   {
7510     { &custom_key.left,  "Move Left"    },
7511     { &custom_key.right, "Move Right"   },
7512     { &custom_key.up,    "Move Up"      },
7513     { &custom_key.down,  "Move Down"    },
7514     { &custom_key.snap,  "Snap Field"   },
7515     { &custom_key.drop,  "Drop Element" }
7516   };
7517   int font_nr_old = FONT_VALUE_OLD;
7518   int font_nr_new = FONT_VALUE_1;
7519   boolean success = FALSE;
7520
7521   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7522   {
7523     font_nr_old = FONT_VALUE_OLD_NARROW;
7524     font_nr_new = FONT_VALUE_NARROW;
7525   }
7526
7527   // read existing key bindings from player setup
7528   custom_key = setup.input[player_nr].key;
7529
7530   FadeSetEnterMenu();
7531   FadeOut(REDRAW_FIELD);
7532
7533   ClearField();
7534
7535   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7536
7537   step_nr = 0;
7538   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7539            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7540   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7541            "Key:", FONT_INPUT_1_ACTIVE);
7542   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7543            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7544
7545   FadeIn(REDRAW_FIELD);
7546
7547   while (!finished)
7548   {
7549     Event event;
7550
7551     if (NextValidEvent(&event))
7552     {
7553       switch (event.type)
7554       {
7555         case EVENT_KEYPRESS:
7556           {
7557             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7558
7559             // press 'Escape' to abort and keep the old key bindings
7560             if (key == KSYM_Escape)
7561             {
7562               FadeSkipNextFadeIn();
7563
7564               finished = TRUE;
7565
7566               break;
7567             }
7568
7569             // press 'Enter' to keep the existing key binding
7570             if (key == KSYM_Return)
7571               key = *customize_step[step_nr].key;
7572
7573             // check if key already used
7574             for (i = 0; i < step_nr; i++)
7575               if (*customize_step[i].key == key)
7576                 break;
7577             if (i < step_nr)
7578               break;
7579
7580             // got new key binding
7581             *customize_step[step_nr].key = key;
7582             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7583                      "             ", font_nr_new);
7584             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7585                      getKeyNameFromKey(key), font_nr_new);
7586             step_nr++;
7587
7588             // un-highlight last query
7589             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7590                      customize_step[step_nr - 1].text, FONT_MENU_1);
7591             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7592                      "Key:", FONT_MENU_1);
7593
7594             // all keys configured
7595             if (step_nr == 6)
7596             {
7597               finished = TRUE;
7598               success = TRUE;
7599
7600               break;
7601             }
7602
7603             // query next key binding
7604             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7605                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7606             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7607                      "Key:", FONT_INPUT_1_ACTIVE);
7608             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7609                      getKeyNameFromKey(*customize_step[step_nr].key),
7610                      font_nr_old);
7611           }
7612           break;
7613
7614         case EVENT_KEYRELEASE:
7615           key_joystick_mapping = 0;
7616           break;
7617
7618         default:
7619           HandleOtherEvents(&event);
7620           break;
7621       }
7622     }
7623
7624     BackToFront();
7625   }
7626
7627   // write new key bindings back to player setup, if successfully finished
7628   if (success)
7629     setup.input[player_nr].key = custom_key;
7630
7631   return success;
7632 }
7633
7634 void CustomizeKeyboard(int player_nr)
7635 {
7636   boolean success = CustomizeKeyboardMain(player_nr);
7637
7638   if (success)
7639   {
7640     int font_nr = FONT_TITLE_1;
7641     int font_height = getFontHeight(font_nr);
7642     int ypos1 = SYSIZE / 2 - font_height * 2;
7643     int ypos2 = SYSIZE / 2 - font_height * 1;
7644     unsigned int wait_frame_delay = 0;
7645     unsigned int wait_frame_delay_value = 2000;
7646
7647     ResetDelayCounter(&wait_frame_delay);
7648
7649     ClearField();
7650
7651     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7652     DrawTextSCentered(ypos2, font_nr, "configured!");
7653
7654     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7655       BackToFront();
7656
7657     ClearEventQueue();
7658   }
7659
7660   DrawSetupScreen_Input();
7661 }
7662
7663 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7664
7665 #define MARKER_BUTTON           1
7666 #define MARKER_AXIS_X           2
7667 #define MARKER_AXIS_Y           3
7668
7669 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7670 {
7671   static boolean bitmaps_initialized = FALSE;
7672   boolean screen_initialized = FALSE;
7673   static Bitmap *controller, *button, *axis_x, *axis_y;
7674   char *name;
7675   boolean success = TRUE;
7676   boolean done = FALSE, next = FALSE;
7677   Event event;
7678   int alpha = 200, alpha_step = -1;
7679   int alpha_ticks = 0;
7680   char mapping[4096], temp[256];
7681   int font_name = MENU_SETUP_FONT_TITLE;
7682   int font_info = MENU_SETUP_FONT_TEXT;
7683   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7684   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7685   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7686   int ystep_name = getMenuTextStep(spacing_name, font_name);
7687   int ystep_line = getMenuTextStep(spacing_line, font_info);
7688   int ystep_para = getMenuTextStep(spacing_para, font_info);
7689   int i, j;
7690
7691   struct
7692   {
7693     int x, y;
7694     int marker;
7695     char *field;
7696     int axis, button, hat, hat_value;
7697     char mapping[4096];
7698   }
7699   *step, *prev_step, steps[] =
7700   {
7701     { 356, 155, MARKER_BUTTON, "a",             },
7702     { 396, 122, MARKER_BUTTON, "b",             },
7703     { 320, 125, MARKER_BUTTON, "x",             },
7704     { 358,  95, MARKER_BUTTON, "y",             },
7705     { 162, 125, MARKER_BUTTON, "back",          },
7706     { 216, 125, MARKER_BUTTON, "guide",         },
7707     { 271, 125, MARKER_BUTTON, "start",         },
7708     { 110, 200, MARKER_BUTTON, "dpleft",        },
7709     { 146, 228, MARKER_BUTTON, "dpdown",        },
7710     { 178, 200, MARKER_BUTTON, "dpright",       },
7711     { 146, 172, MARKER_BUTTON, "dpup",          },
7712     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7713     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7714     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7715     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7716     {  73, 141, MARKER_BUTTON, "leftstick",     },
7717     { 282, 210, MARKER_BUTTON, "rightstick",    },
7718     {  73, 141, MARKER_AXIS_X, "leftx",         },
7719     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7720     { 282, 210, MARKER_AXIS_X, "rightx",        },
7721     { 282, 210, MARKER_AXIS_Y, "righty",        },
7722   };
7723
7724   unsigned int event_frame_delay = 0;
7725   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7726
7727   ResetDelayCounter(&event_frame_delay);
7728
7729   if (!bitmaps_initialized)
7730   {
7731     controller = LoadCustomImage("joystick/controller.png");
7732     button     = LoadCustomImage("joystick/button.png");
7733     axis_x     = LoadCustomImage("joystick/axis_x.png");
7734     axis_y     = LoadCustomImage("joystick/axis_y.png");
7735
7736     bitmaps_initialized = TRUE;
7737   }
7738
7739   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7740
7741 #if DEBUG_JOYSTICKS
7742   // print info about the joystick we are watching
7743   Debug("joystick", "watching joystick %d: (%s)",
7744         SDL_JoystickInstanceID(joystick), name);
7745   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
7746         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7747         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7748 #endif
7749
7750   // initialize mapping with GUID and name
7751   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7752
7753   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7754            temp, name, SDL_GetPlatform());
7755
7756   // loop through all steps (buttons and axes), getting joystick events
7757   for (i = 0; i < SDL_arraysize(steps) && !done;)
7758   {
7759     Bitmap *marker = button;    // initialize with reliable default value
7760
7761     step = &steps[i];
7762     strcpy(step->mapping, mapping);
7763     step->axis = -1;
7764     step->button = -1;
7765     step->hat = -1;
7766     step->hat_value = -1;
7767
7768     marker = (step->marker == MARKER_BUTTON ? button :
7769               step->marker == MARKER_AXIS_X ? axis_x :
7770               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7771
7772     next = FALSE;
7773
7774     while (!done && !next)
7775     {
7776       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7777       alpha_ticks = SDL_GetTicks();
7778
7779       if (alpha >= 255)
7780       {
7781         alpha = 255;
7782         alpha_step = -1;
7783       }
7784       else if (alpha < 128)
7785       {
7786         alpha = 127;
7787         alpha_step = 1;
7788       }
7789
7790       int controller_x = SX + (SXSIZE - controller->width) / 2;
7791       int controller_y = SY + ystep_line;
7792
7793       int marker_x = controller_x + step->x;
7794       int marker_y = controller_y + step->y;
7795
7796       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7797       int ystart2 = ystart1 + ystep_name + ystep_line;
7798
7799       ClearField();
7800
7801       DrawTextSCentered(ystart1, font_name, name);
7802
7803       DrawTextSCentered(ystart2, font_info,
7804                         "Press buttons and move axes on");
7805       ystart2 += ystep_line;
7806       DrawTextSCentered(ystart2, font_info,
7807                         "your controller when indicated.");
7808       ystart2 += ystep_line;
7809       DrawTextSCentered(ystart2, font_info,
7810                         "(Your controller may look different.)");
7811       ystart2 += ystep_para;
7812
7813 #if defined(PLATFORM_ANDROID)
7814       DrawTextSCentered(ystart2, font_info,
7815                         "To correct a mistake,");
7816       ystart2 += ystep_line;
7817       DrawTextSCentered(ystart2, font_info,
7818                         "press the 'back' button.");
7819       ystart2 += ystep_line;
7820       DrawTextSCentered(ystart2, font_info,
7821                         "To skip a button or axis,");
7822       ystart2 += ystep_line;
7823       DrawTextSCentered(ystart2, font_info,
7824                         "press the 'menu' button.");
7825 #else
7826       DrawTextSCentered(ystart2, font_info,
7827                         "To correct a mistake,");
7828       ystart2 += ystep_line;
7829       DrawTextSCentered(ystart2, font_info,
7830                         "press the 'backspace' key.");
7831       ystart2 += ystep_line;
7832       DrawTextSCentered(ystart2, font_info,
7833                         "To skip a button or axis,");
7834       ystart2 += ystep_line;
7835       DrawTextSCentered(ystart2, font_info,
7836                         "press the 'return' key.");
7837       ystart2 += ystep_line;
7838       DrawTextSCentered(ystart2, font_info,
7839                         "To exit, press the 'escape' key.");
7840 #endif
7841
7842       BlitBitmapMasked(controller, drawto, 0, 0,
7843                        controller->width, controller->height,
7844                        controller_x, controller_y);
7845
7846       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7847       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7848
7849       BlitBitmapMasked(marker, drawto, 0, 0,
7850                        marker->width, marker->height,
7851                        marker_x, marker_y);
7852
7853       if (!screen_initialized)
7854         FadeIn(REDRAW_FIELD);
7855       else
7856         BackToFront();
7857
7858       screen_initialized = TRUE;
7859
7860       while (NextValidEvent(&event))
7861       {
7862         switch (event.type)
7863         {
7864           case SDL_JOYAXISMOTION:
7865             if (event.jaxis.value > 20000 ||
7866                 event.jaxis.value < -20000)
7867             {
7868               for (j = 0; j < i; j++)
7869                 if (steps[j].axis == event.jaxis.axis)
7870                   break;
7871
7872               if (j == i)
7873               {
7874                 if (step->marker != MARKER_AXIS_X &&
7875                     step->marker != MARKER_AXIS_Y)
7876                   break;
7877
7878                 step->axis = event.jaxis.axis;
7879                 strcat(mapping, step->field);
7880                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7881                 strcat(mapping, temp);
7882                 i++;
7883                 next = TRUE;
7884               }
7885             }
7886
7887             break;
7888
7889           case SDL_JOYHATMOTION:
7890             // ignore centering; we're probably just coming back
7891             // to the center from the previous item we set
7892             if (event.jhat.value == SDL_HAT_CENTERED)
7893               break;
7894
7895             for (j = 0; j < i; j++)
7896               if (steps[j].hat == event.jhat.hat &&
7897                   steps[j].hat_value == event.jhat.value)
7898                 break;
7899
7900             if (j == i)
7901             {
7902               step->hat = event.jhat.hat;
7903               step->hat_value = event.jhat.value;
7904               strcat(mapping, step->field);
7905               snprintf(temp, sizeof(temp), ":h%u.%u,",
7906                        event.jhat.hat, event.jhat.value );
7907               strcat(mapping, temp);
7908               i++;
7909               next = TRUE;
7910             }
7911
7912             break;
7913
7914           case SDL_JOYBALLMOTION:
7915             break;
7916
7917           case SDL_JOYBUTTONUP:
7918             for (j = 0; j < i; j++)
7919               if (steps[j].button == event.jbutton.button)
7920                 break;
7921
7922             if (j == i)
7923             {
7924               step->button = event.jbutton.button;
7925               strcat(mapping, step->field);
7926               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7927               strcat(mapping, temp);
7928               i++;
7929               next = TRUE;
7930             }
7931
7932             break;
7933
7934           case SDL_FINGERDOWN:
7935           case SDL_MOUSEBUTTONDOWN:
7936             // skip this step
7937             i++;
7938             next = TRUE;
7939
7940             break;
7941
7942           case SDL_KEYDOWN:
7943             if (event.key.keysym.sym == KSYM_BackSpace ||
7944                 event.key.keysym.sym == KSYM_Back)
7945             {
7946               if (i == 0)
7947               {
7948                 // leave screen
7949                 success = FALSE;
7950                 done = TRUE;
7951
7952                 break;
7953               }
7954
7955               // undo this step
7956               prev_step = &steps[i - 1];
7957               strcpy(mapping, prev_step->mapping);
7958               i--;
7959               next = TRUE;
7960
7961               break;
7962             }
7963
7964             if (event.key.keysym.sym == KSYM_space ||
7965                 event.key.keysym.sym == KSYM_Return ||
7966                 event.key.keysym.sym == KSYM_Menu)
7967             {
7968               // skip this step
7969               i++;
7970               next = TRUE;
7971
7972               break;
7973             }
7974
7975             if (event.key.keysym.sym == KSYM_Escape)
7976             {
7977               // leave screen
7978               success = FALSE;
7979               done = TRUE;
7980             }
7981
7982             break;
7983
7984           case SDL_QUIT:
7985             program.exit_function(0);
7986             break;
7987
7988           default:
7989             break;
7990         }
7991
7992         // do not handle events for longer than standard frame delay period
7993         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7994           break;
7995       }
7996     }
7997   }
7998
7999   if (success)
8000   {
8001 #if DEBUG_JOYSTICKS
8002     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8003 #endif
8004
8005     // activate mapping for this game
8006     SDL_GameControllerAddMapping(mapping);
8007
8008     // save mapping to personal mappings
8009     SaveSetup_AddGameControllerMapping(mapping);
8010   }
8011
8012   // wait until the last pending event was removed from event queue
8013   while (NextValidEvent(&event));
8014
8015   return success;
8016 }
8017
8018 static int ConfigureJoystickMain(int player_nr)
8019 {
8020   char *device_name = setup.input[player_nr].joy.device_name;
8021   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8022   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8023   int success = FALSE;
8024   int i;
8025
8026   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8027     return JOYSTICK_NOT_AVAILABLE;
8028
8029   if (!joystick_active || !setup.input[player_nr].use_joystick)
8030     return JOYSTICK_NOT_AVAILABLE;
8031
8032   FadeSetEnterMenu();
8033   FadeOut(REDRAW_FIELD);
8034
8035   // close all joystick devices (potentially opened as game controllers)
8036   for (i = 0; i < SDL_NumJoysticks(); i++)
8037     SDLCloseJoystick(i);
8038
8039   // open joystick device as plain joystick to configure as game controller
8040   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8041
8042   // as the joystick was successfully opened before, this should not happen
8043   if (joystick == NULL)
8044     return FALSE;
8045
8046   // create new game controller mapping (buttons and axes) for joystick device
8047   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8048
8049   // close joystick (and maybe re-open as configured game controller later)
8050   SDL_JoystickClose(joystick);
8051
8052   // re-open all joystick devices (potentially as game controllers)
8053   for (i = 0; i < SDL_NumJoysticks(); i++)
8054     SDLOpenJoystick(i);
8055
8056   // clear all joystick input actions for all joystick devices
8057   SDLClearJoystickState();
8058
8059   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8060 }
8061
8062 void ConfigureJoystick(int player_nr)
8063 {
8064   boolean state = ConfigureJoystickMain(player_nr);
8065
8066   if (state != JOYSTICK_NOT_CONFIGURED)
8067   {
8068     boolean success = (state == JOYSTICK_CONFIGURED);
8069     char message1[MAX_OUTPUT_LINESIZE + 1];
8070     char *message2 = (success ? "configured!" : "not available!");
8071     char *device_name = setup.input[player_nr].joy.device_name;
8072     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8073     int font_nr = FONT_TITLE_1;
8074     int font_height = getFontHeight(font_nr);
8075     int ypos1 = SYSIZE / 2 - font_height * 2;
8076     int ypos2 = SYSIZE / 2 - font_height * 1;
8077     unsigned int wait_frame_delay = 0;
8078     unsigned int wait_frame_delay_value = 2000;
8079
8080     ResetDelayCounter(&wait_frame_delay);
8081
8082     ClearField();
8083
8084     sprintf(message1, "Joystick %d", nr);
8085
8086     DrawTextSCentered(ypos1, font_nr, message1);
8087     DrawTextSCentered(ypos2, font_nr, message2);
8088
8089     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8090       BackToFront();
8091
8092     ClearEventQueue();
8093   }
8094
8095   DrawSetupScreen_Input();
8096 }
8097
8098 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8099 {
8100   if (y < video.screen_height / 3)
8101   {
8102     // remap touch gadgets to access upper part of the screen
8103     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8104     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8105   }
8106   else if (y > 2 * video.screen_height / 3)
8107   {
8108     // remap touch gadgets to access lower part of the screen
8109     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8110     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8111   }
8112 }
8113
8114 static boolean ConfigureVirtualButtonsMain(void)
8115 {
8116   static char *customize_step_text[] =
8117   {
8118     "Move Left",
8119     "Move Right",
8120     "Move Up",
8121     "Move Down",
8122     "Snap Field",
8123     "Drop Element"
8124   };
8125   char grid_button[] =
8126   {
8127     CHAR_GRID_BUTTON_LEFT,
8128     CHAR_GRID_BUTTON_RIGHT,
8129     CHAR_GRID_BUTTON_UP,
8130     CHAR_GRID_BUTTON_DOWN,
8131     CHAR_GRID_BUTTON_SNAP,
8132     CHAR_GRID_BUTTON_DROP
8133   };
8134   enum
8135   {
8136     ACTION_NONE,
8137     ACTION_ESCAPE,
8138     ACTION_BACK,
8139     ACTION_NEXT
8140   };
8141   int font_nr = FONT_INPUT_1_ACTIVE;
8142   int font_height = getFontHeight(font_nr);
8143   int ypos1 = SYSIZE / 2 - font_height * 2;
8144   int ypos2 = SYSIZE / 2 - font_height * 1;
8145   boolean success = FALSE;
8146   boolean finished = FALSE;
8147   int step_nr = 0;
8148   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8149   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8150   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8151   boolean set_grid_button = FALSE;
8152   int nr = GRID_ACTIVE_NR();
8153   int x, y;
8154
8155   for (x = 0; x < MAX_GRID_XSIZE; x++)
8156     for (y = 0; y < MAX_GRID_YSIZE; y++)
8157       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8158
8159   overlay.grid_button_highlight = grid_button[step_nr];
8160
8161   UnmapAllGadgets();
8162
8163   FadeSetEnterMenu();
8164   FadeOut(REDRAW_FIELD);
8165
8166   ClearField();
8167
8168   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8169   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8170   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8171
8172   FadeIn(REDRAW_FIELD);
8173
8174   SetOverlayShowGrid(TRUE);
8175
8176   // map gadgets for setup touch buttons menu screen
8177   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8178
8179   while (!finished)
8180   {
8181     Event event;
8182
8183     while (NextValidEvent(&event))
8184     {
8185       int action = ACTION_NONE;
8186
8187       // ---------- handle events and set the resulting action ----------
8188
8189       switch (event.type)
8190       {
8191         case EVENT_USER:
8192           {
8193             UserEvent *user = (UserEvent *)&event;
8194             int id = user->value1;
8195
8196             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8197                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8198                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8199                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8200                       ACTION_NONE);
8201           }
8202           break;
8203
8204         case EVENT_KEYPRESS:
8205           {
8206             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8207
8208             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8209                       key == KSYM_BackSpace ||
8210                       key == KSYM_Back ?        ACTION_BACK :
8211                       key == KSYM_Return ||
8212                       key == KSYM_Menu ||
8213                       key == KSYM_space ?       ACTION_NEXT :
8214                       ACTION_NONE);
8215           }
8216           break;
8217
8218         case EVENT_KEYRELEASE:
8219           key_joystick_mapping = 0;
8220           break;
8221
8222         case EVENT_BUTTONPRESS:
8223         case EVENT_BUTTONRELEASE:
8224           {
8225             ButtonEvent *button = (ButtonEvent *)&event;
8226
8227             motion_status = FALSE;
8228
8229             if (button->type == EVENT_BUTTONPRESS)
8230               button_status = button->button;
8231             else
8232               button_status = MB_RELEASED;
8233
8234             if (HandleGadgets(button->x, button->y, button_status))
8235             {
8236               // do not handle this button event anymore
8237               break;
8238             }
8239
8240             button->x += video.screen_xoffset;
8241             button->y += video.screen_yoffset;
8242
8243             x = button->x * overlay.grid_xsize / video.screen_width;
8244             y = button->y * overlay.grid_ysize / video.screen_height;
8245
8246             if (button->type == EVENT_BUTTONPRESS)
8247             {
8248               grid_button_draw =
8249                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8250                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8251
8252               set_grid_button = TRUE;
8253             }
8254
8255             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8256           }
8257           break;
8258
8259         case EVENT_MOTIONNOTIFY:
8260           {
8261             MotionEvent *motion = (MotionEvent *)&event;
8262
8263             motion_status = TRUE;
8264
8265             if (HandleGadgets(motion->x, motion->y, button_status))
8266             {
8267               // do not handle this button event anymore
8268               break;
8269             }
8270
8271             motion->x += video.screen_xoffset;
8272             motion->y += video.screen_yoffset;
8273
8274             x = motion->x * overlay.grid_xsize / video.screen_width;
8275             y = motion->y * overlay.grid_ysize / video.screen_height;
8276
8277             set_grid_button = TRUE;
8278
8279             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8280           }
8281           break;
8282
8283         case SDL_WINDOWEVENT:
8284           HandleWindowEvent((WindowEvent *) &event);
8285
8286           // check if device has been rotated
8287           if (nr != GRID_ACTIVE_NR())
8288           {
8289             nr = GRID_ACTIVE_NR();
8290
8291             for (x = 0; x < MAX_GRID_XSIZE; x++)
8292               for (y = 0; y < MAX_GRID_YSIZE; y++)
8293                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8294                   overlay.grid_button[x][y];
8295           }
8296
8297           break;
8298
8299         case SDL_APP_WILLENTERBACKGROUND:
8300         case SDL_APP_DIDENTERBACKGROUND:
8301         case SDL_APP_WILLENTERFOREGROUND:
8302         case SDL_APP_DIDENTERFOREGROUND:
8303           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8304           break;
8305
8306         default:
8307           HandleOtherEvents(&event);
8308           break;
8309       }
8310
8311       // ---------- perform action set by handling events ----------
8312
8313       if (action == ACTION_ESCAPE)
8314       {
8315         // abort and restore the old key bindings
8316
8317         for (x = 0; x < MAX_GRID_XSIZE; x++)
8318           for (y = 0; y < MAX_GRID_YSIZE; y++)
8319             overlay.grid_button[x][y] = grid_button_old[x][y];
8320
8321         FadeSkipNextFadeIn();
8322
8323         finished = TRUE;
8324       }
8325       else if (action == ACTION_BACK)
8326       {
8327         // keep the configured key bindings and go to previous page
8328
8329         step_nr--;
8330
8331         if (step_nr < 0)
8332         {
8333           FadeSkipNextFadeIn();
8334
8335           finished = TRUE;
8336         }
8337       }
8338       else if (action == ACTION_NEXT)
8339       {
8340         // keep the configured key bindings and go to next page
8341
8342         step_nr++;
8343
8344         // all virtual buttons configured
8345         if (step_nr == 6)
8346         {
8347           finished = TRUE;
8348           success = TRUE;
8349         }
8350       }
8351
8352       if (action != ACTION_NONE && !finished)
8353       {
8354         for (x = 0; x < MAX_GRID_XSIZE; x++)
8355           for (y = 0; y < MAX_GRID_YSIZE; y++)
8356             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8357
8358         overlay.grid_button_highlight = grid_button[step_nr];
8359
8360         // configure next virtual button
8361
8362         ClearField();
8363
8364         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8365         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8366         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8367       }
8368
8369       if (set_grid_button)
8370       {
8371         overlay.grid_button[x][y] =
8372           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8373            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8374            grid_button_tmp[x][y]);
8375
8376         set_grid_button = FALSE;
8377       }
8378     }
8379
8380     BackToFront();
8381   }
8382
8383   for (x = 0; x < MAX_GRID_XSIZE; x++)
8384     for (y = 0; y < MAX_GRID_YSIZE; y++)
8385       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8386
8387   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8388
8389   SetOverlayShowGrid(FALSE);
8390
8391   return success;
8392 }
8393
8394 void ConfigureVirtualButtons(void)
8395 {
8396   boolean success = ConfigureVirtualButtonsMain();
8397
8398   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8399                          SCREEN_MASK_TOUCH2);
8400
8401   if (success)
8402   {
8403     int font_nr = FONT_TITLE_1;
8404     int font_height = getFontHeight(font_nr);
8405     int ypos1 = SYSIZE / 2 - font_height * 2;
8406     int ypos2 = SYSIZE / 2 - font_height * 1;
8407     unsigned int wait_frame_delay = 0;
8408     unsigned int wait_frame_delay_value = 2000;
8409
8410     ResetDelayCounter(&wait_frame_delay);
8411
8412     ClearField();
8413
8414     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8415     DrawTextSCentered(ypos2, font_nr, "configured!");
8416
8417     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8418       BackToFront();
8419
8420     ClearEventQueue();
8421   }
8422 }
8423
8424 void DrawSetupScreen(void)
8425 {
8426   align_xoffset = 0;
8427   align_yoffset = 0;
8428
8429   if (setup_mode == SETUP_MODE_INPUT)
8430     DrawSetupScreen_Input();
8431   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8432     DrawChooseTree(&game_speed_current);
8433   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8434     DrawChooseTree(&scroll_delay_current);
8435   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8436     DrawChooseTree(&snapshot_mode_current);
8437   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8438     DrawChooseTree(&window_size_current);
8439   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8440     DrawChooseTree(&scaling_type_current);
8441   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8442     DrawChooseTree(&rendering_mode_current);
8443   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8444     DrawChooseTree(&vsync_mode_current);
8445   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8446     DrawChooseTree(&artwork.gfx_current);
8447   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8448     DrawChooseTree(&artwork.snd_current);
8449   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8450     DrawChooseTree(&artwork.mus_current);
8451   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8452     DrawChooseTree(&volume_simple_current);
8453   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8454     DrawChooseTree(&volume_loops_current);
8455   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8456     DrawChooseTree(&volume_music_current);
8457   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8458     DrawChooseTree(&touch_control_current);
8459   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8460     DrawChooseTree(&move_distance_current);
8461   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8462     DrawChooseTree(&drop_distance_current);
8463   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8464     DrawChooseTree(&transparency_current);
8465   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8466     DrawChooseTree(&grid_size_current[0][0]);
8467   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8468     DrawChooseTree(&grid_size_current[0][1]);
8469   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8470     DrawChooseTree(&grid_size_current[1][0]);
8471   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8472     DrawChooseTree(&grid_size_current[1][1]);
8473   else
8474     DrawSetupScreen_Generic();
8475
8476   PlayMenuSoundsAndMusic();
8477 }
8478
8479 void RedrawSetupScreenAfterFullscreenToggle(void)
8480 {
8481   if (setup_mode == SETUP_MODE_GRAPHICS ||
8482       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8483   {
8484     // update list selection from "setup.window_scaling_percent"
8485     execSetupGraphics_setWindowSizes(TRUE);
8486
8487     DrawSetupScreen();
8488   }
8489 }
8490
8491 void RedrawSetupScreenAfterScreenRotation(int nr)
8492 {
8493   int x, y;
8494
8495   if (setup_mode == SETUP_MODE_TOUCH)
8496   {
8497     // update virtual button settings (depending on screen orientation)
8498     DrawSetupScreen();
8499   }
8500   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8501   {
8502     // save already configured virtual buttons
8503     for (x = 0; x < MAX_GRID_XSIZE; x++)
8504       for (y = 0; y < MAX_GRID_YSIZE; y++)
8505         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8506   }
8507 }
8508
8509 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8510 {
8511   if (setup_mode == SETUP_MODE_INPUT)
8512     HandleSetupScreen_Input(mx, my, dx, dy, button);
8513   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8514     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8515   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8516     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8517   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8518     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8519   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8520     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8521   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8522     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8523   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8524     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8525   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8526     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8527   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8528     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8529   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8530     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8531   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8532     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8533   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8534     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8535   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8536     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8537   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8538     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8539   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8540     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8541   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8542     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8543   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8544     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8545   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8546     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8547   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8548     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8549   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8550     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8551   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8552     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8553   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8554     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8555   else
8556     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8557 }
8558
8559 void HandleGameActions(void)
8560 {
8561   if (setup.ask_on_game_over)
8562     CheckGameOver();
8563
8564   if (game.restart_game_message != NULL)
8565   {
8566     RequestRestartGame(game.restart_game_message);
8567
8568     return;
8569   }
8570
8571   if (game_status != GAME_MODE_PLAYING)
8572     return;
8573
8574   GameActions();        // main game loop
8575
8576   if (tape.auto_play && !tape.playing)
8577     AutoPlayTapes();    // continue automatically playing next tape
8578 }
8579
8580
8581 // ---------- new screen button stuff --------------------------------------
8582
8583 static struct
8584 {
8585   int gfx_unpressed, gfx_pressed;
8586   struct MenuPosInfo *pos;
8587   boolean *check_value;
8588   int gadget_id;
8589   int screen_mask;
8590   unsigned int event_mask;
8591   boolean is_touch_button;
8592   char *infotext;
8593 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8594 {
8595   {
8596     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8597     &menu.main.button.prev_level, NULL,
8598     SCREEN_CTRL_ID_PREV_LEVEL,
8599     SCREEN_MASK_MAIN,
8600     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8601     FALSE, "previous level"
8602   },
8603   {
8604     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8605     &menu.main.button.next_level, NULL,
8606     SCREEN_CTRL_ID_NEXT_LEVEL,
8607     SCREEN_MASK_MAIN,
8608     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8609     FALSE, "next level"
8610   },
8611   {
8612     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8613     &menu.main.button.first_level, NULL,
8614     SCREEN_CTRL_ID_FIRST_LEVEL,
8615     SCREEN_MASK_MAIN,
8616     GD_EVENT_RELEASED,
8617     FALSE, "first level"
8618   },
8619   {
8620     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8621     &menu.main.button.last_level, NULL,
8622     SCREEN_CTRL_ID_LAST_LEVEL,
8623     SCREEN_MASK_MAIN,
8624     GD_EVENT_RELEASED,
8625     FALSE, "last level"
8626   },
8627   {
8628     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8629     &menu.main.button.level_number, NULL,
8630     SCREEN_CTRL_ID_LEVEL_NUMBER,
8631     SCREEN_MASK_MAIN,
8632     GD_EVENT_RELEASED,
8633     FALSE, "level number"
8634   },
8635   {
8636     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8637     &menu.setup.button.prev_player, NULL,
8638     SCREEN_CTRL_ID_PREV_PLAYER,
8639     SCREEN_MASK_INPUT,
8640     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8641     FALSE, "previous player"
8642   },
8643   {
8644     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8645     &menu.setup.button.next_player, NULL,
8646     SCREEN_CTRL_ID_NEXT_PLAYER,
8647     SCREEN_MASK_INPUT,
8648     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8649     FALSE, "next player"
8650   },
8651   {
8652     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8653     &menu.main.button.insert_solution, NULL,
8654     SCREEN_CTRL_ID_INSERT_SOLUTION,
8655     SCREEN_MASK_MAIN_HAS_SOLUTION,
8656     GD_EVENT_RELEASED,
8657     FALSE, "insert solution tape"
8658   },
8659   {
8660     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8661     &menu.main.button.play_solution, NULL,
8662     SCREEN_CTRL_ID_PLAY_SOLUTION,
8663     SCREEN_MASK_MAIN_HAS_SOLUTION,
8664     GD_EVENT_RELEASED,
8665     FALSE, "play solution tape"
8666   },
8667   {
8668     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8669     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8670     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8671     SCREEN_MASK_MAIN,
8672     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8673     FALSE, "switch ECS/AGA chipset"
8674   },
8675   {
8676     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8677     &menu.setup.button.touch_back, NULL,
8678     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8679     SCREEN_MASK_TOUCH,
8680     GD_EVENT_RELEASED,
8681     TRUE, "previous page"
8682   },
8683   {
8684     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8685     &menu.setup.button.touch_next, NULL,
8686     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8687     SCREEN_MASK_TOUCH,
8688     GD_EVENT_RELEASED,
8689     TRUE, "next page"
8690   },
8691   {
8692     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8693     &menu.setup.button.touch_back2, NULL,
8694     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8695     SCREEN_MASK_TOUCH2,
8696     GD_EVENT_RELEASED,
8697     TRUE, "previous page"
8698   },
8699   {
8700     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8701     &menu.setup.button.touch_next2, NULL,
8702     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8703     SCREEN_MASK_TOUCH2,
8704     GD_EVENT_RELEASED,
8705     TRUE, "next page"
8706   },
8707 };
8708
8709 static struct
8710 {
8711   int gfx_unpressed, gfx_pressed;
8712   int x, y;
8713   int gadget_id;
8714   char *infotext;
8715 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8716 {
8717   {
8718     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8719     -1, -1,     // these values are not constant, but can change at runtime
8720     SCREEN_CTRL_ID_SCROLL_UP,
8721     "scroll up"
8722   },
8723   {
8724     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8725     -1, -1,     // these values are not constant, but can change at runtime
8726     SCREEN_CTRL_ID_SCROLL_DOWN,
8727     "scroll down"
8728   }
8729 };
8730
8731 static struct
8732 {
8733   int gfx_unpressed, gfx_pressed;
8734   int x, y;
8735   int width, height;
8736   int type;
8737   int gadget_id;
8738   char *infotext;
8739 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8740 {
8741   {
8742     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8743     -1, -1,     // these values are not constant, but can change at runtime
8744     -1, -1,     // these values are not constant, but can change at runtime
8745     GD_TYPE_SCROLLBAR_VERTICAL,
8746     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8747     "scroll level series vertically"
8748   }
8749 };
8750
8751 static struct
8752 {
8753   int graphic;
8754   int gadget_id;
8755   int x, y;
8756   int size;
8757   char *value;
8758   char *infotext;
8759 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8760 {
8761   {
8762     IMG_SETUP_INPUT_TEXT,
8763     SCREEN_CTRL_ID_NETWORK_SERVER,
8764     -1, -1,     // these values are not constant, but can change at runtime
8765     MAX_SETUP_TEXT_INPUT_LEN,
8766     network_server_hostname,
8767     "Network Server Hostname / IP"
8768   },
8769 };
8770
8771 static void CreateScreenMenubuttons(void)
8772 {
8773   struct GadgetInfo *gi;
8774   unsigned int event_mask;
8775   int i;
8776
8777   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8778   {
8779     struct MenuPosInfo *pos = menubutton_info[i].pos;
8780     boolean is_touch_button = menubutton_info[i].is_touch_button;
8781     boolean is_check_button = menubutton_info[i].check_value != NULL;
8782     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8783     int gfx_unpressed, gfx_pressed;
8784     int x, y, width, height;
8785     int gd_x1, gd_x2, gd_y1, gd_y2;
8786     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
8787     int id = menubutton_info[i].gadget_id;
8788     int type = GD_TYPE_NORMAL_BUTTON;
8789     boolean checked = FALSE;
8790
8791     event_mask = menubutton_info[i].event_mask;
8792
8793     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
8794     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
8795
8796     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8797     height = graphic_info[menubutton_info[i].gfx_pressed].height;
8798
8799     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8800     gfx_pressed   = menubutton_info[i].gfx_pressed;
8801     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8802     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8803     gd_x1 = graphic_info[gfx_unpressed].src_x;
8804     gd_y1 = graphic_info[gfx_unpressed].src_y;
8805     gd_x2 = graphic_info[gfx_pressed].src_x;
8806     gd_y2 = graphic_info[gfx_pressed].src_y;
8807     gd_x1a = gd_x1;
8808     gd_y1a = gd_y1;
8809     gd_x2a = gd_x2;
8810     gd_y2a = gd_y2;
8811
8812     if (is_touch_button)
8813     {
8814       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
8815       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
8816     }
8817
8818     if (is_check_button)
8819     {
8820       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
8821       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
8822       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
8823       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
8824
8825       type = GD_TYPE_CHECK_BUTTON;
8826       checked = *menubutton_info[i].check_value;
8827     }
8828
8829     gi = CreateGadget(GDI_CUSTOM_ID, id,
8830                       GDI_CUSTOM_TYPE_ID, i,
8831                       GDI_IMAGE_ID, gfx_unpressed,
8832                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8833                       GDI_X, x,
8834                       GDI_Y, y,
8835                       GDI_WIDTH, width,
8836                       GDI_HEIGHT, height,
8837                       GDI_TYPE, type,
8838                       GDI_STATE, GD_BUTTON_UNPRESSED,
8839                       GDI_CHECKED, checked,
8840                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8841                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8842                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
8843                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
8844                       GDI_DIRECT_DRAW, FALSE,
8845                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
8846                       GDI_EVENT_MASK, event_mask,
8847                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8848                       GDI_END);
8849
8850     if (gi == NULL)
8851       Fail("cannot create gadget");
8852
8853     screen_gadget[id] = gi;
8854   }
8855 }
8856
8857 static void CreateScreenScrollbuttons(void)
8858 {
8859   struct GadgetInfo *gi;
8860   unsigned int event_mask;
8861   int i;
8862
8863   // these values are not constant, but can change at runtime
8864   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8865   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8866   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8867   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8868
8869   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8870   {
8871     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8872     int gfx_unpressed, gfx_pressed;
8873     int x, y, width, height;
8874     int gd_x1, gd_x2, gd_y1, gd_y2;
8875     int id = scrollbutton_info[i].gadget_id;
8876
8877     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8878
8879     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8880     y = mSY + scrollbutton_info[i].y;
8881     width = SC_SCROLLBUTTON_XSIZE;
8882     height = SC_SCROLLBUTTON_YSIZE;
8883
8884     // correct scrollbar position if placed outside menu (playfield) area
8885     if (x > SX + SC_SCROLL_UP_XPOS)
8886       x = SX + SC_SCROLL_UP_XPOS;
8887
8888     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8889       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8890                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8891
8892     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8893     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8894     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8895     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8896     gd_x1 = graphic_info[gfx_unpressed].src_x;
8897     gd_y1 = graphic_info[gfx_unpressed].src_y;
8898     gd_x2 = graphic_info[gfx_pressed].src_x;
8899     gd_y2 = graphic_info[gfx_pressed].src_y;
8900
8901     gi = CreateGadget(GDI_CUSTOM_ID, id,
8902                       GDI_CUSTOM_TYPE_ID, i,
8903                       GDI_IMAGE_ID, gfx_unpressed,
8904                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8905                       GDI_X, x,
8906                       GDI_Y, y,
8907                       GDI_WIDTH, width,
8908                       GDI_HEIGHT, height,
8909                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8910                       GDI_STATE, GD_BUTTON_UNPRESSED,
8911                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8912                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8913                       GDI_DIRECT_DRAW, FALSE,
8914                       GDI_EVENT_MASK, event_mask,
8915                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8916                       GDI_END);
8917
8918     if (gi == NULL)
8919       Fail("cannot create gadget");
8920
8921     screen_gadget[id] = gi;
8922   }
8923 }
8924
8925 static void CreateScreenScrollbars(void)
8926 {
8927   int i;
8928
8929   // these values are not constant, but can change at runtime
8930   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8931   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8932   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8933   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8934
8935   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8936   {
8937     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8938     int gfx_unpressed, gfx_pressed;
8939     int x, y, width, height;
8940     int gd_x1, gd_x2, gd_y1, gd_y2;
8941     struct GadgetInfo *gi;
8942     int items_max, items_visible, item_position;
8943     unsigned int event_mask;
8944     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8945     int id = scrollbar_info[i].gadget_id;
8946
8947     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8948
8949     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8950     y = mSY + scrollbar_info[i].y;
8951     width  = scrollbar_info[i].width;
8952     height = scrollbar_info[i].height;
8953
8954     // correct scrollbar position if placed outside menu (playfield) area
8955     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8956       x = SX + SC_SCROLL_VERTICAL_XPOS;
8957
8958     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8959       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8960
8961     items_max = num_page_entries;
8962     items_visible = num_page_entries;
8963     item_position = 0;
8964
8965     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8966     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8967     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8968     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8969     gd_x1 = graphic_info[gfx_unpressed].src_x;
8970     gd_y1 = graphic_info[gfx_unpressed].src_y;
8971     gd_x2 = graphic_info[gfx_pressed].src_x;
8972     gd_y2 = graphic_info[gfx_pressed].src_y;
8973
8974     gi = CreateGadget(GDI_CUSTOM_ID, id,
8975                       GDI_CUSTOM_TYPE_ID, i,
8976                       GDI_IMAGE_ID, gfx_unpressed,
8977                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8978                       GDI_X, x,
8979                       GDI_Y, y,
8980                       GDI_WIDTH, width,
8981                       GDI_HEIGHT, height,
8982                       GDI_TYPE, scrollbar_info[i].type,
8983                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8984                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8985                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8986                       GDI_WHEEL_AREA_X, SX,
8987                       GDI_WHEEL_AREA_Y, SY,
8988                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8989                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8990                       GDI_STATE, GD_BUTTON_UNPRESSED,
8991                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8992                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8993                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8994                       GDI_DIRECT_DRAW, FALSE,
8995                       GDI_EVENT_MASK, event_mask,
8996                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8997                       GDI_END);
8998
8999     if (gi == NULL)
9000       Fail("cannot create gadget");
9001
9002     screen_gadget[id] = gi;
9003   }
9004 }
9005
9006 static void CreateScreenTextInputGadgets(void)
9007 {
9008   int i;
9009
9010   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9011   {
9012     int graphic = textinput_info[i].graphic;
9013     struct GraphicInfo *gd = &graphic_info[graphic];
9014     int gd_x1 = gd->src_x;
9015     int gd_y1 = gd->src_y;
9016     int gd_x2 = gd->src_x + gd->active_xoffset;
9017     int gd_y2 = gd->src_y + gd->active_yoffset;
9018     struct GadgetInfo *gi;
9019     unsigned int event_mask;
9020     int id = textinput_info[i].gadget_id;
9021     int x = textinput_info[i].x;
9022     int y = textinput_info[i].y;
9023
9024     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9025
9026     gi = CreateGadget(GDI_CUSTOM_ID, id,
9027                       GDI_CUSTOM_TYPE_ID, i,
9028                       GDI_INFO_TEXT, textinput_info[i].infotext,
9029                       GDI_X, SX + x,
9030                       GDI_Y, SY + y,
9031                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9032                       GDI_TEXT_VALUE, textinput_info[i].value,
9033                       GDI_TEXT_SIZE, textinput_info[i].size,
9034                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9035                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9036                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9037                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9038                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9039                       GDI_DESIGN_WIDTH, gd->width,
9040                       GDI_EVENT_MASK, event_mask,
9041                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9042                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9043                       GDI_END);
9044
9045     if (gi == NULL)
9046       Fail("cannot create gadget");
9047
9048     screen_gadget[id] = gi;
9049   }
9050 }
9051
9052 void CreateScreenGadgets(void)
9053 {
9054   CreateScreenMenubuttons();
9055
9056   CreateScreenScrollbuttons();
9057   CreateScreenScrollbars();
9058
9059   CreateScreenTextInputGadgets();
9060 }
9061
9062 void FreeScreenGadgets(void)
9063 {
9064   int i;
9065
9066   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9067     FreeGadget(screen_gadget[i]);
9068 }
9069
9070 static void MapScreenMenuGadgets(int screen_mask)
9071 {
9072   int i;
9073
9074   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9075     if (screen_mask & menubutton_info[i].screen_mask)
9076       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9077 }
9078
9079 static void UnmapScreenMenuGadgets(int screen_mask)
9080 {
9081   int i;
9082
9083   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9084   {
9085     if (screen_mask & menubutton_info[i].screen_mask)
9086     {
9087       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9088
9089       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9090         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9091                        screen_gadget[menubutton_info[i].gadget_id]->y,
9092                        screen_gadget[menubutton_info[i].gadget_id]->width,
9093                        screen_gadget[menubutton_info[i].gadget_id]->height);
9094     }
9095   }
9096 }
9097
9098 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9099 {
9100   if (map_gadgets)
9101     MapScreenMenuGadgets(screen_mask);
9102   else
9103     UnmapScreenMenuGadgets(screen_mask);
9104 }
9105
9106 static void MapScreenGadgets(int num_entries)
9107 {
9108   int i;
9109
9110   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9111     return;
9112
9113   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9114     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9115
9116   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9117     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9118 }
9119
9120 static void MapScreenTreeGadgets(TreeInfo *ti)
9121 {
9122   MapScreenGadgets(numTreeInfoInGroup(ti));
9123 }
9124
9125 static void HandleScreenGadgets(struct GadgetInfo *gi)
9126 {
9127   int id = gi->custom_id;
9128   int button = gi->event.button;
9129   int step = (button == MB_LEFTBUTTON   ? 1 :
9130               button == MB_MIDDLEBUTTON ? 5 :
9131               button == MB_RIGHTBUTTON  ? 10 : 1);
9132
9133   switch (id)
9134   {
9135     case SCREEN_CTRL_ID_PREV_LEVEL:
9136       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9137       break;
9138
9139     case SCREEN_CTRL_ID_NEXT_LEVEL:
9140       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9141       break;
9142
9143     case SCREEN_CTRL_ID_FIRST_LEVEL:
9144       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9145       break;
9146
9147     case SCREEN_CTRL_ID_LAST_LEVEL:
9148       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9149       break;
9150
9151     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9152       CloseDoor(DOOR_CLOSE_2);
9153       SetGameStatus(GAME_MODE_LEVELNR);
9154       DrawChooseLevelNr();
9155       break;
9156
9157     case SCREEN_CTRL_ID_PREV_PLAYER:
9158       HandleSetupScreen_Input_Player(step, -1);
9159       break;
9160
9161     case SCREEN_CTRL_ID_NEXT_PLAYER:
9162       HandleSetupScreen_Input_Player(step, +1);
9163       break;
9164
9165     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9166       InsertSolutionTape();
9167       break;
9168
9169     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9170       PlaySolutionTape();
9171       break;
9172
9173     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9174       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9175       DrawMainMenu();
9176       break;
9177
9178     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9179     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9180     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9181     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9182       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9183       break;
9184
9185     case SCREEN_CTRL_ID_SCROLL_UP:
9186       if (game_status == GAME_MODE_NAMES)
9187         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9188       else if (game_status == GAME_MODE_LEVELS)
9189         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9190       else if (game_status == GAME_MODE_LEVELNR)
9191         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9192       else if (game_status == GAME_MODE_SETUP)
9193         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9194       else if (game_status == GAME_MODE_INFO)
9195         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9196       break;
9197
9198     case SCREEN_CTRL_ID_SCROLL_DOWN:
9199       if (game_status == GAME_MODE_NAMES)
9200         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9201       else if (game_status == GAME_MODE_LEVELS)
9202         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9203       else if (game_status == GAME_MODE_LEVELNR)
9204         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9205       else if (game_status == GAME_MODE_SETUP)
9206         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9207       else if (game_status == GAME_MODE_INFO)
9208         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9209       break;
9210
9211     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9212       if (game_status == GAME_MODE_NAMES)
9213         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9214       else if (game_status == GAME_MODE_LEVELS)
9215         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9216       else if (game_status == GAME_MODE_LEVELNR)
9217         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9218       else if (game_status == GAME_MODE_SETUP)
9219         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9220       else if (game_status == GAME_MODE_INFO)
9221         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9222       break;
9223
9224     case SCREEN_CTRL_ID_NETWORK_SERVER:
9225     {
9226       if (!strEqual(gi->textinput.value, ""))
9227       {
9228         setString(&setup.network_server_hostname, gi->textinput.value);
9229
9230         network.server_host = setup.network_server_hostname;
9231       }
9232       else
9233       {
9234         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9235
9236         network.server_host = NULL;
9237       }
9238
9239       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9240         network.server_host = NULL;
9241
9242       execSetupGame_setNetworkServerText();
9243
9244       DrawSetupScreen();
9245
9246       break;
9247     }
9248
9249     default:
9250       break;
9251   }
9252 }
9253
9254 void DumpScreenIdentifiers(void)
9255 {
9256   int i;
9257
9258   Print("Active screen elements on current screen:\n");
9259
9260   for (i = 0; main_controls[i].nr != -1; i++)
9261   {
9262     struct MainControlInfo *mci = &main_controls[i];
9263
9264     if (mci->button_graphic != -1)
9265     {
9266       char *token = getTokenFromImageID(mci->button_graphic);
9267
9268       Print("- '%s'\n", token);
9269     }
9270   }
9271
9272   Print("Done.\n");
9273 }
9274
9275 boolean DoScreenAction(int image_id)
9276 {
9277   int i;
9278
9279   if (game_status != GAME_MODE_MAIN)
9280     return FALSE;
9281
9282   for (i = 0; main_controls[i].nr != -1; i++)
9283   {
9284     struct MainControlInfo *mci = &main_controls[i];
9285     struct MenuPosInfo *pos = mci->pos_button;
9286
9287     if (mci->button_graphic == image_id)
9288     {
9289       int x = mSX + pos->x;
9290       int y = mSY + pos->y;
9291
9292       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9293
9294       return TRUE;
9295     }
9296   }
9297
9298   return FALSE;
9299 }
9300
9301 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9302 {
9303   // get tree info node of newly added level or artwork set
9304   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9305   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9306                                                       tree_subdir_new);
9307   if (tree_node_new == NULL)    // should not happen
9308     return;
9309
9310   // if request dialog is active, do nothing
9311   if (game.request_active)
9312     return;
9313
9314   if (game_status == GAME_MODE_MAIN &&
9315       tree_type == TREE_TYPE_LEVEL_DIR)
9316   {
9317     // when adding new level set in main menu, select it as current level set
9318
9319     // change current level set to newly added level set from zip file
9320     leveldir_current = tree_node_new;
9321
9322     // change current level number to first level of newly added level set
9323     level_nr = leveldir_current->first_level;
9324
9325     // redraw screen to reflect changed level set
9326     DrawMainMenu();
9327
9328     // save this level set and level number as last selected level set
9329     SaveLevelSetup_LastSeries();
9330     SaveLevelSetup_SeriesInfo();
9331   }
9332   else if (game_status == GAME_MODE_LEVELS &&
9333            tree_type == TREE_TYPE_LEVEL_DIR)
9334   {
9335     // when adding new level set in level set menu, set cursor and update screen
9336
9337     leveldir_current = tree_node_new;
9338
9339     DrawChooseTree(&leveldir_current);
9340   }
9341   else if (game_status == GAME_MODE_SETUP)
9342   {
9343     // when adding new artwork set in setup menu, set cursor and update screen
9344
9345     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9346         tree_type == TREE_TYPE_GRAPHICS_DIR)
9347     {
9348       artwork.gfx_current = tree_node_new;
9349
9350       DrawChooseTree(&artwork.gfx_current);
9351     }
9352     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9353              tree_type == TREE_TYPE_SOUNDS_DIR)
9354     {
9355       artwork.snd_current = tree_node_new;
9356
9357       DrawChooseTree(&artwork.snd_current);
9358     }
9359     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9360              tree_type == TREE_TYPE_MUSIC_DIR)
9361     {
9362       artwork.mus_current = tree_node_new;
9363
9364       DrawChooseTree(&artwork.mus_current);
9365     }
9366   }
9367 }