src/screens.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // screens.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "screens.h"
  15 #include "events.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "editor.h"
  19 #include "files.h"
  20 #include "tape.h"
  21 #include "anim.h"
  22 #include "network.h"
  23 #include "init.h"
  24 #include "config.h"
  25
  26
  27 #define DEBUG_JOYSTICKS         0
  28
  29
  30 // screens on the info screen
  31 #define INFO_MODE_MAIN                  0
  32 #define INFO_MODE_TITLE                 1
  33 #define INFO_MODE_ELEMENTS              2
  34 #define INFO_MODE_MUSIC                 3
  35 #define INFO_MODE_CREDITS               4
  36 #define INFO_MODE_PROGRAM               5
  37 #define INFO_MODE_VERSION               6
  38 #define INFO_MODE_LEVELSET              7
  39
  40 #define MAX_INFO_MODES                  8
  41
  42 // screens on the setup screen
  43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
  44 // (should also match corresponding entries in src/conf_gfx.c)
  45 #define SETUP_MODE_MAIN                 0
  46 #define SETUP_MODE_GAME                 1
  47 #define SETUP_MODE_ENGINES              2
  48 #define SETUP_MODE_EDITOR               3
  49 #define SETUP_MODE_GRAPHICS             4
  50 #define SETUP_MODE_SOUND                5
  51 #define SETUP_MODE_ARTWORK              6
  52 #define SETUP_MODE_INPUT                7
  53 #define SETUP_MODE_TOUCH                8
  54 #define SETUP_MODE_SHORTCUTS            9
  55 #define SETUP_MODE_SHORTCUTS_1          10
  56 #define SETUP_MODE_SHORTCUTS_2          11
  57 #define SETUP_MODE_SHORTCUTS_3          12
  58 #define SETUP_MODE_SHORTCUTS_4          13
  59 #define SETUP_MODE_SHORTCUTS_5          14
  60
  61 // sub-screens on the setup screen (generic)
  62 #define SETUP_MODE_CHOOSE_ARTWORK       15
  63 #define SETUP_MODE_CHOOSE_OTHER         16
  64
  65 // sub-screens on the setup screen (specific)
  66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
  67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
  68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
  69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
  70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
  71 #define SETUP_MODE_CHOOSE_RENDERING     22
  72 #define SETUP_MODE_CHOOSE_VSYNC         23
  73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
  74 #define SETUP_MODE_CHOOSE_SOUNDS        25
  75 #define SETUP_MODE_CHOOSE_MUSIC         26
  76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
  77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
  78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
  79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
  80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
  82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
  83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
  85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
  86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
  87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
  88
  89 #define MAX_SETUP_MODES                 39
  90
  91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  92
  93 // setup screen titles
  94 #define STR_SETUP_MAIN                  "Setup"
  95 #define STR_SETUP_GAME                  "Game & Menu"
  96 #define STR_SETUP_ENGINES               "Game Engines"
  97 #define STR_SETUP_EDITOR                "Editor"
  98 #define STR_SETUP_GRAPHICS              "Graphics"
  99 #define STR_SETUP_SOUND                 "Sound & Music"
 100 #define STR_SETUP_ARTWORK               "Custom Artwork"
 101 #define STR_SETUP_INPUT                 "Input Devices"
 102 #define STR_SETUP_TOUCH                 "Touch Controls"
 103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 104 #define STR_SETUP_EXIT                  "Exit"
 105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 106
 107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 125
 126 // other screen text constants
 127 #define STR_CHOOSE_TREE_EDIT            "Edit"
 128 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
 129 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
 130
 131 // for input setup functions
 132 #define SETUPINPUT_SCREEN_POS_START     0
 133 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 134 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 135 #define SETUPINPUT_SCREEN_POS_END       13
 136
 137 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 138 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 139
 140 #define MAX_SETUP_TEXT_INPUT_LEN        28
 141
 142 // for various menu stuff
 143 #define MENU_SCREEN_START_XPOS          1
 144 #define MENU_SCREEN_START_YPOS          2
 145 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 146 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
 147 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 148 #define MENU_TITLE1_YPOS                8
 149 #define MENU_TITLE2_YPOS                46
 150 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 151 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 152 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 153 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 154 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 155 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 156 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 157 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 158 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 159 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 160 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 161                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 162                                                          MENU_INFO_FONT_TITLE))
 163 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 164 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 165 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 166                                          MENU_SCREEN_INFO_YSTART2 -     \
 167                                          TILEY / 2)
 168 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 169 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 170                                          MENU_SCREEN_INFO_YSTEP)
 171 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 172   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 173    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 174    MAX_MENU_ENTRIES_ON_SCREEN)
 175 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 176                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 177                                             NUM_INFO_ELEMENTS_FROM_CONF)
 178 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 179 #define MAX_MENU_TEXT_LENGTH_BIG        13
 180 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 181
 182 // screen gadget identifiers
 183 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 184 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 185 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
 186 #define SCREEN_CTRL_ID_LAST_LEVEL       3
 187 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
 188 #define SCREEN_CTRL_ID_PREV_PLAYER      5
 189 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
 190 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
 191 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
 192 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
 193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
 194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
 195 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
 196 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
 197 #define SCREEN_CTRL_ID_SCROLL_UP        14
 198 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
 199 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
 200 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
 201
 202 #define NUM_SCREEN_GADGETS              18
 203
 204 #define NUM_SCREEN_MENUBUTTONS          14
 205 #define NUM_SCREEN_SCROLLBUTTONS        2
 206 #define NUM_SCREEN_SCROLLBARS           1
 207 #define NUM_SCREEN_TEXTINPUT            1
 208
 209 #define SCREEN_MASK_MAIN                (1 << 0)
 210 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 211 #define SCREEN_MASK_INPUT               (1 << 2)
 212 #define SCREEN_MASK_TOUCH               (1 << 3)
 213 #define SCREEN_MASK_TOUCH2              (1 << 4)
 214
 215 // graphic position and size values for buttons and scrollbars
 216 #define SC_MENUBUTTON_XSIZE             TILEX
 217 #define SC_MENUBUTTON_YSIZE             TILEY
 218
 219 #define SC_SCROLLBUTTON_XSIZE           TILEX
 220 #define SC_SCROLLBUTTON_YSIZE           TILEY
 221
 222 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 223
 224 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 225 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 226                                          SC_SCROLLBUTTON_YSIZE)
 227
 228 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 229 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 230
 231 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 232 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 233                                          SC_SCROLLBUTTON_YSIZE)
 234
 235 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 236 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 237                                          SC_SCROLL_VERTICAL_YSIZE)
 238
 239 #define SC_BORDER_SIZE                  14
 240
 241
 242 // forward declarations of internal functions
 243 static void HandleScreenGadgets(struct GadgetInfo *);
 244 static void HandleSetupScreen_Generic(int, int, int, int, int);
 245 static void HandleSetupScreen_Input(int, int, int, int, int);
 246 static void CustomizeKeyboard(int);
 247 static void ConfigureJoystick(int);
 248 static void ConfigureVirtualButtons(void);
 249 static void execSetupGame(void);
 250 static void execSetupEngines(void);
 251 static void execSetupGraphics(void);
 252 static void execSetupSound(void);
 253 static void execSetupTouch(void);
 254 static void execSetupArtwork(void);
 255 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 256
 257 static void DrawChoosePlayerName(void);
 258 static void DrawChooseLevelSet(void);
 259 static void DrawChooseLevelNr(void);
 260 static void DrawInfoScreen(void);
 261 static void DrawSetupScreen(void);
 262 static void DrawTypeName(void);
 263
 264 static void DrawInfoScreen_NotAvailable(char *, char *);
 265 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 266 static void DrawInfoScreen_HelpText(int, int, int, int);
 267 static void HandleInfoScreen_Main(int, int, int, int, int);
 268 static void HandleInfoScreen_TitleScreen(int);
 269 static void HandleInfoScreen_Elements(int);
 270 static void HandleInfoScreen_Music(int);
 271 static void HandleInfoScreen_Credits(int);
 272 static void HandleInfoScreen_Program(int);
 273 static void HandleInfoScreen_Version(int);
 274
 275 static void ModifyGameSpeedIfNeeded(void);
 276 static void DisableVsyncIfNeeded(void);
 277
 278 static void MapScreenMenuGadgets(int);
 279 static void UnmapScreenMenuGadgets(int);
 280 static void MapScreenGadgets(int);
 281 static void MapScreenTreeGadgets(TreeInfo *);
 282
 283 static void UpdateScreenMenuGadgets(int, boolean);
 284
 285 static boolean OfferUploadTapes(void);
 286 static void execOfferUploadTapes(void);
 287
 288 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 289
 290 static int info_mode = INFO_MODE_MAIN;
 291 static int setup_mode = SETUP_MODE_MAIN;
 292
 293 static TreeInfo *window_sizes = NULL;
 294 static TreeInfo *window_size_current = NULL;
 295
 296 static TreeInfo *scaling_types = NULL;
 297 static TreeInfo *scaling_type_current = NULL;
 298
 299 static TreeInfo *rendering_modes = NULL;
 300 static TreeInfo *rendering_mode_current = NULL;
 301
 302 static TreeInfo *vsync_modes = NULL;
 303 static TreeInfo *vsync_mode_current = NULL;
 304
 305 static TreeInfo *scroll_delays = NULL;
 306 static TreeInfo *scroll_delay_current = NULL;
 307
 308 static TreeInfo *snapshot_modes = NULL;
 309 static TreeInfo *snapshot_mode_current = NULL;
 310
 311 static TreeInfo *game_speeds_normal = NULL;
 312 static TreeInfo *game_speeds_extended = NULL;
 313 static TreeInfo *game_speeds = NULL;
 314 static TreeInfo *game_speed_current = NULL;
 315
 316 static TreeInfo *volumes_simple = NULL;
 317 static TreeInfo *volume_simple_current = NULL;
 318
 319 static TreeInfo *volumes_loops = NULL;
 320 static TreeInfo *volume_loops_current = NULL;
 321
 322 static TreeInfo *volumes_music = NULL;
 323 static TreeInfo *volume_music_current = NULL;
 324
 325 static TreeInfo *touch_controls = NULL;
 326 static TreeInfo *touch_control_current = NULL;
 327
 328 static TreeInfo *move_distances = NULL;
 329 static TreeInfo *move_distance_current = NULL;
 330
 331 static TreeInfo *drop_distances = NULL;
 332 static TreeInfo *drop_distance_current = NULL;
 333
 334 static TreeInfo *transparencies = NULL;
 335 static TreeInfo *transparency_current = NULL;
 336
 337 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 338 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 339
 340 static TreeInfo *player_name = NULL;
 341 static TreeInfo *player_name_current = NULL;
 342
 343 static TreeInfo *level_number = NULL;
 344 static TreeInfo *level_number_current = NULL;
 345
 346 static struct ValueTextInfo window_sizes_list[] =
 347 {
 348   {     50,     "50 %"                          },
 349   {     80,     "80 %"                          },
 350   {     90,     "90 %"                          },
 351   {     100,    "100 % (Default)"               },
 352   {     110,    "110 %"                         },
 353   {     120,    "120 %"                         },
 354   {     130,    "130 %"                         },
 355   {     140,    "140 %"                         },
 356   {     150,    "150 %"                         },
 357   {     200,    "200 %"                         },
 358   {     250,    "250 %"                         },
 359   {     300,    "300 %"                         },
 360
 361   {     -1,     NULL                            },
 362 };
 363
 364 static struct StringValueTextInfo scaling_types_list[] =
 365 {
 366   {     SCALING_QUALITY_NEAREST, "Off"          },
 367   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 368   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 369
 370   {     NULL,                    NULL           },
 371 };
 372
 373 static struct StringValueTextInfo rendering_modes_list[] =
 374 {
 375   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 376   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 377 #if DEBUG
 378   // this mode may work under certain conditions, but does not work on Windows
 379   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 380 #endif
 381   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 382
 383   {     NULL,                            NULL                            },
 384 };
 385
 386 static struct StringValueTextInfo vsync_modes_list[] =
 387 {
 388   {     STR_VSYNC_MODE_OFF,             "Off"           },
 389   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 390   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 391
 392   {     NULL,                            NULL           },
 393 };
 394
 395 static struct ValueTextInfo game_speeds_list_normal[] =
 396 {
 397   {     30,     "Very Slow"                     },
 398   {     25,     "Slow"                          },
 399   {     20,     "Normal"                        },
 400   {     15,     "Fast"                          },
 401   {     10,     "Very Fast"                     },
 402
 403   {     -1,     NULL                            },
 404 };
 405
 406 static struct ValueTextInfo game_speeds_list_extended[] =
 407 {
 408   {     1000,   "1 fps (Extremely Slow)"        },
 409   {     500,    "2 fps"                         },
 410   {     200,    "5 fps"                         },
 411   {     100,    "10 fps"                        },
 412   {     50,     "20 fps"                        },
 413   {     29,     "35 fps (Original Supaplex)"    },
 414   {     25,     "40 fps"                        },
 415   {     20,     "50 fps (=== Normal Speed ===)" },
 416   {     16,     "60 fps (60 Hz VSync Speed)"    },
 417   {     14,     "70 fps (Maximum Supaplex)"     },
 418   {     10,     "100 fps"                       },
 419   {     5,      "200 fps"                       },
 420   {     2,      "500 fps"                       },
 421   {     1,      "1000 fps (Extremely Fast)"     },
 422
 423   {     -1,     NULL                            },
 424 };
 425
 426 static struct ValueTextInfo *game_speeds_list;
 427
 428 static struct ValueTextInfo scroll_delays_list[] =
 429 {
 430   {     0,      "0 Tiles (No Scroll Delay)"     },
 431   {     1,      "1 Tile"                        },
 432   {     2,      "2 Tiles"                       },
 433   {     3,      "3 Tiles (Default)"             },
 434   {     4,      "4 Tiles"                       },
 435   {     5,      "5 Tiles"                       },
 436   {     6,      "6 Tiles"                       },
 437   {     7,      "7 Tiles"                       },
 438   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 439
 440   {     -1,     NULL                            },
 441 };
 442
 443 static struct StringValueTextInfo snapshot_modes_list[] =
 444 {
 445   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 446   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 447   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 448   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 449
 450   {     NULL,                                   NULL            },
 451 };
 452
 453 static struct ValueTextInfo volumes_list[] =
 454 {
 455   {     0,      "0 %"                           },
 456   {     1,      "1 %"                           },
 457   {     2,      "2 %"                           },
 458   {     5,      "5 %"                           },
 459   {     10,     "10 %"                          },
 460   {     20,     "20 %"                          },
 461   {     30,     "30 %"                          },
 462   {     40,     "40 %"                          },
 463   {     50,     "50 %"                          },
 464   {     60,     "60 %"                          },
 465   {     70,     "70 %"                          },
 466   {     80,     "80 %"                          },
 467   {     90,     "90 %"                          },
 468   {     100,    "100 %"                         },
 469
 470   {     -1,     NULL                            },
 471 };
 472
 473 static struct StringValueTextInfo touch_controls_list[] =
 474 {
 475   {     TOUCH_CONTROL_OFF,              "Off"                   },
 476   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 477   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 478   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 479
 480   {     NULL,                           NULL                    },
 481 };
 482
 483 static struct ValueTextInfo distances_list[] =
 484 {
 485   {     1,      "1 %"                           },
 486   {     2,      "2 %"                           },
 487   {     3,      "3 %"                           },
 488   {     4,      "4 %"                           },
 489   {     5,      "5 %"                           },
 490   {     10,     "10 %"                          },
 491   {     15,     "15 %"                          },
 492   {     20,     "20 %"                          },
 493   {     25,     "25 %"                          },
 494
 495   {     -1,     NULL                            },
 496 };
 497
 498 static struct ValueTextInfo transparencies_list[] =
 499 {
 500   {     0,      "0 % (Opaque)"                  },
 501   {     10,     "10 %"                          },
 502   {     20,     "20 %"                          },
 503   {     30,     "30 %"                          },
 504   {     40,     "40 %"                          },
 505   {     50,     "50 %"                          },
 506   {     60,     "60 %"                          },
 507   {     70,     "70 %"                          },
 508   {     80,     "80 %"                          },
 509   {     90,     "90 %"                          },
 510   {     100,    "100 % (Invisible)"             },
 511
 512   {     -1,     NULL                            },
 513 };
 514
 515 static struct ValueTextInfo grid_sizes_list[] =
 516 {
 517   {     3,      "3"                             },
 518   {     4,      "4"                             },
 519   {     5,      "5"                             },
 520   {     6,      "6"                             },
 521   {     7,      "7"                             },
 522   {     8,      "8"                             },
 523   {     9,      "9"                             },
 524   {     10,     "10"                            },
 525   {     11,     "11"                            },
 526   {     12,     "12"                            },
 527   {     13,     "13"                            },
 528   {     14,     "14"                            },
 529   {     15,     "15"                            },
 530   {     16,     "16"                            },
 531   {     17,     "17"                            },
 532   {     18,     "18"                            },
 533   {     19,     "19"                            },
 534   {     20,     "20"                            },
 535   {     21,     "21"                            },
 536   {     22,     "22"                            },
 537   {     23,     "23"                            },
 538   {     24,     "24"                            },
 539   {     25,     "25"                            },
 540   {     26,     "26"                            },
 541   {     27,     "27"                            },
 542   {     28,     "28"                            },
 543   {     29,     "29"                            },
 544   {     30,     "30"                            },
 545   {     31,     "31"                            },
 546   {     32,     "32"                            },
 547
 548   {     -1,     NULL                            },
 549 };
 550
 551 static int align_xoffset = 0;
 552 static int align_yoffset = 0;
 553
 554 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 555                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 556                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 557                                  GAME_MODE_MAIN :                       \
 558                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
 559                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
 560
 561 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
 562 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 563                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 564                                  INFO_MODE_MAIN)
 565
 566 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 567                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 568                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 569                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 570                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 571                                  SETUP_MODE_CHOOSE_OTHER)
 572
 573 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 574                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 575                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 576 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 577                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 578                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 579 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 580                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 581                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 582
 583 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 584                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 585                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 586 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 587                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 588                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 589 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 590                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 591                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 592
 593 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 594                                  DRAW_XOFFSET_INFO(info_mode) :         \
 595                                  (s) == GAME_MODE_SETUP ?               \
 596                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 597                                  menu.draw_xoffset[DRAW_MODE(s)])
 598 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 599                                  DRAW_YOFFSET_INFO(info_mode) :         \
 600                                  (s) == GAME_MODE_SETUP ?               \
 601                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 602                                  menu.draw_yoffset[DRAW_MODE(s)])
 603 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 604                                  EXTRA_SPACING_INFO(info_mode) :        \
 605                                  (s) == GAME_MODE_SETUP ?               \
 606                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 607                                  menu.extra_spacing[DRAW_MODE(s)])
 608
 609 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 610 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 611
 612 #define amSX                    (mSX + align_xoffset)
 613 #define amSY                    (mSY + align_yoffset)
 614
 615 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 616                                     menu.list_size[game_status] :       \
 617                                     MAX_MENU_ENTRIES_ON_SCREEN)
 618
 619 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 620                                          NUM_MENU_ENTRIES_ON_SCREEN)
 621
 622
 623 // title display and control definitions
 624
 625 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 626                                  2 * MAX_NUM_TITLE_MESSAGES)
 627
 628 #define NO_DIRECT_LEVEL_SELECT  (-1)
 629
 630
 631 static int num_title_screens = 0;
 632
 633 struct TitleControlInfo
 634 {
 635   boolean is_image;
 636   boolean initial;
 637   boolean first;
 638   int local_nr;
 639   int sort_priority;
 640 };
 641
 642 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 643
 644 // main menu display and control definitions
 645
 646 #define MAIN_CONTROL_NAME                       0
 647 #define MAIN_CONTROL_LEVELS                     1
 648 #define MAIN_CONTROL_SCORES                     2
 649 #define MAIN_CONTROL_EDITOR                     3
 650 #define MAIN_CONTROL_INFO                       4
 651 #define MAIN_CONTROL_GAME                       5
 652 #define MAIN_CONTROL_SETUP                      6
 653 #define MAIN_CONTROL_QUIT                       7
 654 #define MAIN_CONTROL_PREV_LEVEL                 8
 655 #define MAIN_CONTROL_NEXT_LEVEL                 9
 656 #define MAIN_CONTROL_FIRST_LEVEL                10
 657 #define MAIN_CONTROL_LAST_LEVEL                 11
 658 #define MAIN_CONTROL_LEVEL_NUMBER               12
 659 #define MAIN_CONTROL_LEVEL_INFO_1               13
 660 #define MAIN_CONTROL_LEVEL_INFO_2               14
 661 #define MAIN_CONTROL_LEVEL_NAME                 15
 662 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 663 #define MAIN_CONTROL_LEVEL_YEAR                 17
 664 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 665 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 666 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 667 #define MAIN_CONTROL_TITLE_1                    21
 668 #define MAIN_CONTROL_TITLE_2                    22
 669 #define MAIN_CONTROL_TITLE_3                    23
 670
 671 static char str_main_text_name[10];
 672 static char str_main_text_first_level[10];
 673 static char str_main_text_last_level[10];
 674 static char str_main_text_level_number[10];
 675
 676 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 677
 678 static char *main_text_name                     = str_main_text_name;
 679 static char *main_text_first_level              = str_main_text_first_level;
 680 static char *main_text_last_level               = str_main_text_last_level;
 681 static char *main_text_level_number             = str_main_text_level_number;
 682 static char *main_text_levels                   = "Levelset";
 683 static char *main_text_scores                   = "Hall Of Fame";
 684 static char *main_text_editor                   = "Level Creator";
 685 static char *main_text_info                     = "Info Screen";
 686 static char *main_text_game                     = "Start Game";
 687 static char *main_text_setup                    = "Setup";
 688 static char *main_text_quit                     = "Quit";
 689 static char *main_text_level_name               = level.name;
 690 static char *main_text_level_author             = level.author;
 691 static char *main_text_level_year               = NULL;
 692 static char *main_text_level_imported_from      = NULL;
 693 static char *main_text_level_imported_by        = NULL;
 694 static char *main_text_level_tested_by          = NULL;
 695 static char *main_text_title_1                  = NULL;
 696 static char *main_text_title_2                  = NULL;
 697 static char *main_text_title_3                  = NULL;
 698
 699 extern char debug_xsn_mode[];
 700
 701 struct MainControlInfo
 702 {
 703   int nr;
 704
 705   struct MenuPosInfo *pos_button;
 706   int button_graphic;
 707
 708   struct TextPosInfo *pos_text;
 709   char **text;
 710
 711   struct TextPosInfo *pos_input;
 712   char **input;
 713 };
 714
 715 static struct MainControlInfo main_controls[] =
 716 {
 717   {
 718     MAIN_CONTROL_NAME,
 719     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 720     &menu.main.text.name,               &main_text_name,
 721     &menu.main.input.name,              &setup.player_name,
 722   },
 723   {
 724     MAIN_CONTROL_LEVELS,
 725     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 726     &menu.main.text.levels,             &main_text_levels,
 727     NULL,                               NULL,
 728   },
 729   {
 730     MAIN_CONTROL_SCORES,
 731     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 732     &menu.main.text.scores,             &main_text_scores,
 733     NULL,                               NULL,
 734   },
 735   {
 736     MAIN_CONTROL_EDITOR,
 737     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 738     &menu.main.text.editor,             &main_text_editor,
 739     NULL,                               NULL,
 740   },
 741   {
 742     MAIN_CONTROL_INFO,
 743     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 744     &menu.main.text.info,               &main_text_info,
 745     NULL,                               NULL,
 746   },
 747   {
 748     MAIN_CONTROL_GAME,
 749     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 750     &menu.main.text.game,               &main_text_game,
 751     NULL,                               NULL,
 752   },
 753   {
 754     MAIN_CONTROL_SETUP,
 755     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 756     &menu.main.text.setup,              &main_text_setup,
 757     NULL,                               NULL,
 758   },
 759   {
 760     MAIN_CONTROL_QUIT,
 761     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 762     &menu.main.text.quit,               &main_text_quit,
 763     NULL,                               NULL,
 764   },
 765   {
 766     MAIN_CONTROL_PREV_LEVEL,
 767     NULL,                               -1,
 768     NULL,                               NULL,
 769     NULL,                               NULL,
 770   },
 771   {
 772     MAIN_CONTROL_NEXT_LEVEL,
 773     NULL,                               -1,
 774     NULL,                               NULL,
 775     NULL,                               NULL,
 776   },
 777   {
 778     MAIN_CONTROL_FIRST_LEVEL,
 779     NULL,                               -1,
 780     &menu.main.text.first_level,        &main_text_first_level,
 781     NULL,                               NULL,
 782   },
 783   {
 784     MAIN_CONTROL_LAST_LEVEL,
 785     NULL,                               -1,
 786     &menu.main.text.last_level,         &main_text_last_level,
 787     NULL,                               NULL,
 788   },
 789   {
 790     MAIN_CONTROL_LEVEL_NUMBER,
 791     NULL,                               -1,
 792     &menu.main.text.level_number,       &main_text_level_number,
 793     NULL,                               NULL,
 794   },
 795   {
 796     MAIN_CONTROL_LEVEL_INFO_1,
 797     NULL,                               -1,
 798     &menu.main.text.level_info_1,       NULL,
 799     NULL,                               NULL,
 800   },
 801   {
 802     MAIN_CONTROL_LEVEL_INFO_2,
 803     NULL,                               -1,
 804     &menu.main.text.level_info_2,       NULL,
 805     NULL,                               NULL,
 806   },
 807   {
 808     MAIN_CONTROL_LEVEL_NAME,
 809     NULL,                               -1,
 810     &menu.main.text.level_name,         &main_text_level_name,
 811     NULL,                               NULL,
 812   },
 813   {
 814     MAIN_CONTROL_LEVEL_AUTHOR,
 815     NULL,                               -1,
 816     &menu.main.text.level_author,       &main_text_level_author,
 817     NULL,                               NULL,
 818   },
 819   {
 820     MAIN_CONTROL_LEVEL_YEAR,
 821     NULL,                               -1,
 822     &menu.main.text.level_year,         &main_text_level_year,
 823     NULL,                               NULL,
 824   },
 825   {
 826     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 827     NULL,                               -1,
 828     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 829     NULL,                               NULL,
 830   },
 831   {
 832     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 833     NULL,                               -1,
 834     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 835     NULL,                               NULL,
 836   },
 837   {
 838     MAIN_CONTROL_LEVEL_TESTED_BY,
 839     NULL,                               -1,
 840     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 841     NULL,                               NULL,
 842   },
 843   {
 844     MAIN_CONTROL_TITLE_1,
 845     NULL,                               -1,
 846     &menu.main.text.title_1,            &main_text_title_1,
 847     NULL,                               NULL,
 848   },
 849   {
 850     MAIN_CONTROL_TITLE_2,
 851     NULL,                               -1,
 852     &menu.main.text.title_2,            &main_text_title_2,
 853     NULL,                               NULL,
 854   },
 855   {
 856     MAIN_CONTROL_TITLE_3,
 857     NULL,                               -1,
 858     &menu.main.text.title_3,            &main_text_title_3,
 859     NULL,                               NULL,
 860   },
 861
 862   {
 863     -1,
 864     NULL,                               -1,
 865     NULL,                               NULL,
 866     NULL,                               NULL,
 867   }
 868 };
 869
 870
 871 static int getTitleScreenGraphic(int nr, boolean initial)
 872 {
 873   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 874 }
 875
 876 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 877 {
 878   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 879 }
 880
 881 #if 0
 882 static int getTitleScreenGameMode(boolean initial)
 883 {
 884   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 885 }
 886 #endif
 887
 888 static int getTitleMessageGameMode(boolean initial)
 889 {
 890   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 891 }
 892
 893 static int getTitleAnimMode(struct TitleControlInfo *tci)
 894 {
 895   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 896
 897   return base + tci->local_nr;
 898 }
 899
 900 #if 0
 901 static int getTitleScreenBackground(boolean initial)
 902 {
 903   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 904 }
 905 #endif
 906
 907 #if 0
 908 static int getTitleMessageBackground(int nr, boolean initial)
 909 {
 910   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 911 }
 912 #endif
 913
 914 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 915 {
 916   int base = (is_image ?
 917               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 918                          IMG_BACKGROUND_TITLESCREEN_1) :
 919               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 920                          IMG_BACKGROUND_TITLEMESSAGE_1));
 921   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 922                                   IMG_BACKGROUND_TITLE);
 923   int graphic_local = base + nr;
 924
 925   if (graphic_info[graphic_local].bitmap != NULL)
 926     return graphic_local;
 927
 928   if (graphic_info[graphic_global].bitmap != NULL)
 929     return graphic_global;
 930
 931   return IMG_UNDEFINED;
 932 }
 933
 934 static int getTitleSound(struct TitleControlInfo *tci)
 935 {
 936   boolean is_image = tci->is_image;
 937   int initial = tci->initial;
 938   int nr = tci->local_nr;
 939   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 940   int base = (is_image ?
 941               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 942                          SND_BACKGROUND_TITLESCREEN_1) :
 943               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 944                          SND_BACKGROUND_TITLEMESSAGE_1));
 945   int sound_global = menu.sound[mode];
 946   int sound_local = base + nr;
 947
 948 #if 0
 949   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
 950         nr, initial, is_image,
 951         sound_global, getSoundListEntry(sound_global)->filename,
 952         sound_local, getSoundListEntry(sound_local)->filename);
 953 #endif
 954
 955   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 956     return sound_local;
 957
 958   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 959     return sound_global;
 960
 961   return SND_UNDEFINED;
 962 }
 963
 964 static int getTitleMusic(struct TitleControlInfo *tci)
 965 {
 966   boolean is_image = tci->is_image;
 967   int initial = tci->initial;
 968   int nr = tci->local_nr;
 969   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 970   int base = (is_image ?
 971               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 972                          MUS_BACKGROUND_TITLESCREEN_1) :
 973               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 974                          MUS_BACKGROUND_TITLEMESSAGE_1));
 975   int music_global = menu.music[mode];
 976   int music_local = base + nr;
 977
 978 #if 0
 979   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
 980         nr, initial, is_image,
 981         music_global, getMusicListEntry(music_global)->filename,
 982         music_local, getMusicListEntry(music_local)->filename);
 983 #endif
 984
 985   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 986     return music_local;
 987
 988   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 989     return music_global;
 990
 991   return MUS_UNDEFINED;
 992 }
 993
 994 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 995 {
 996   boolean is_image = tci->is_image;
 997   boolean initial = tci->initial;
 998   boolean first = tci->first;
 999   int nr = tci->local_nr;
1000   struct TitleMessageInfo tmi;
1001   struct TitleFadingInfo ti;
1002
1003   tmi = (is_image ? (initial ? (first ?
1004                                 titlescreen_initial_first[nr] :
1005                                 titlescreen_initial[nr])
1006                              : (first ?
1007                                 titlescreen_first[nr] :
1008                                 titlescreen[nr]))
1009                   : (initial ? (first ?
1010                                 titlemessage_initial_first[nr] :
1011                                 titlemessage_initial[nr])
1012                              : (first ?
1013                                 titlemessage_first[nr] :
1014                                 titlemessage[nr])));
1015
1016   ti.fade_mode  = tmi.fade_mode;
1017   ti.fade_delay = tmi.fade_delay;
1018   ti.post_delay = tmi.post_delay;
1019   ti.auto_delay = tmi.auto_delay;
1020   ti.auto_delay_unit = tmi.auto_delay_unit;
1021
1022   return ti;
1023 }
1024
1025 static int compareTitleControlInfo(const void *object1, const void *object2)
1026 {
1027   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1028   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1029   int compare_result;
1030
1031   if (tci1->initial != tci2->initial)
1032     compare_result = (tci1->initial ? -1 : +1);
1033   else if (tci1->sort_priority != tci2->sort_priority)
1034     compare_result = tci1->sort_priority - tci2->sort_priority;
1035   else if (tci1->is_image != tci2->is_image)
1036     compare_result = (tci1->is_image ? -1 : +1);
1037   else
1038     compare_result = tci1->local_nr - tci2->local_nr;
1039
1040   return compare_result;
1041 }
1042
1043 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1044                                                     boolean initial,
1045                                                     int nr, int sort_priority)
1046 {
1047   title_controls[num_title_screens].is_image = is_image;
1048   title_controls[num_title_screens].initial = initial;
1049   title_controls[num_title_screens].local_nr = nr;
1050   title_controls[num_title_screens].sort_priority = sort_priority;
1051
1052   title_controls[num_title_screens].first = FALSE;      // will be set later
1053
1054   num_title_screens++;
1055 }
1056
1057 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1058 {
1059   int i;
1060
1061   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1062   {
1063     int graphic = getTitleScreenGraphic(i, initial);
1064     Bitmap *bitmap = graphic_info[graphic].bitmap;
1065     int sort_priority = graphic_info[graphic].sort_priority;
1066
1067     if (bitmap != NULL)
1068       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1069   }
1070
1071   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1072   {
1073     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1074     char *filename = getLevelSetTitleMessageFilename(i, initial);
1075     int sort_priority = tmi->sort_priority;
1076
1077     if (filename != NULL)
1078       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1079   }
1080 }
1081
1082 static void InitializeTitleControls(boolean show_title_initial)
1083 {
1084   num_title_screens = 0;
1085
1086   // 1st step: initialize title screens for game start (only when starting)
1087   if (show_title_initial)
1088     InitializeTitleControls_CheckTitleInfo(TRUE);
1089
1090   // 2nd step: initialize title screens for current level set
1091   InitializeTitleControls_CheckTitleInfo(FALSE);
1092
1093   // sort title screens according to sort_priority and title number
1094   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1095         compareTitleControlInfo);
1096
1097   // mark first title screen
1098   title_controls[0].first = TRUE;
1099 }
1100
1101 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1102 {
1103   return (pos != NULL && pos->x != -1 && pos->y != -1);
1104 }
1105
1106 static boolean visibleTextPos(struct TextPosInfo *pos)
1107 {
1108   return (pos != NULL && pos->x != -1 && pos->y != -1);
1109 }
1110
1111 static void InitializeMainControls(void)
1112 {
1113   boolean local_team_mode = (!network.enabled && setup.team_mode);
1114   int i;
1115
1116   // set main control text values to dynamically determined values
1117   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1118
1119   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1120                                          menu.main.text.first_level.size));
1121   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1122                                          menu.main.text.last_level.size));
1123   strcpy(main_text_level_number, int2str(level_nr,
1124                                          menu.main.text.level_number.size));
1125
1126   main_text_level_year          = leveldir_current->year;
1127   main_text_level_imported_from = leveldir_current->imported_from;
1128   main_text_level_imported_by   = leveldir_current->imported_by;
1129   main_text_level_tested_by     = leveldir_current->tested_by;
1130
1131   main_text_title_1 = getConfigProgramTitleString();
1132   main_text_title_2 = getConfigProgramCopyrightString();
1133   main_text_title_3 = getConfigProgramCompanyString();
1134
1135   // set main control screen positions to dynamically determined values
1136   for (i = 0; main_controls[i].nr != -1; i++)
1137   {
1138     struct MainControlInfo *mci = &main_controls[i];
1139     int nr                         = mci->nr;
1140     struct MenuPosInfo *pos_button = mci->pos_button;
1141     struct TextPosInfo *pos_text   = mci->pos_text;
1142     struct TextPosInfo *pos_input  = mci->pos_input;
1143     char *text                     = (mci->text  ? *mci->text  : NULL);
1144     char *input                    = (mci->input ? *mci->input : NULL);
1145     int button_graphic             = mci->button_graphic;
1146     int font_text                  = (pos_text  ? pos_text->font  : -1);
1147     int font_input                 = (pos_input ? pos_input->font : -1);
1148
1149     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1150     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1151     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1152     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1153     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1154     int input_chars = (input != NULL ? strlen(input) : 0);
1155
1156     int button_width =
1157       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1158     int button_height =
1159       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1160     int text_width   = font_text_width * text_chars;
1161     int text_height  = font_text_height;
1162     int input_width  = font_input_width * input_chars;
1163     int input_height = font_input_height;
1164
1165     if (nr == MAIN_CONTROL_NAME)
1166     {
1167       menu.main.input.name.width  = input_width;
1168       menu.main.input.name.height = input_height;
1169     }
1170
1171     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1172     {
1173       pos_button->width  = button_width;
1174       pos_button->height = button_height;
1175     }
1176
1177     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1178     {
1179       // calculate text size -- needed for text alignment
1180       boolean calculate_text_size = (text != NULL);
1181
1182       if (pos_text->width == -1 || calculate_text_size)
1183         pos_text->width = text_width;
1184       if (pos_text->height == -1 || calculate_text_size)
1185         pos_text->height = text_height;
1186
1187       if (visibleMenuPos(pos_button))
1188       {
1189         if (pos_text->x == -1)
1190           pos_text->x = pos_button->x + pos_button->width;
1191         if (pos_text->y == -1)
1192           pos_text->y =
1193             pos_button->y + (pos_button->height - pos_text->height) / 2;
1194       }
1195     }
1196
1197     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1198     {
1199       if (visibleTextPos(pos_text))
1200       {
1201         if (pos_input->x == -1)
1202           pos_input->x = pos_text->x + pos_text->width;
1203         if (pos_input->y == -1)
1204           pos_input->y = pos_text->y;
1205       }
1206
1207       if (pos_input->width == -1)
1208         pos_input->width = input_width;
1209       if (pos_input->height == -1)
1210         pos_input->height = input_height;
1211     }
1212   }
1213 }
1214
1215 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1216                                        int graphic, boolean pressed)
1217 {
1218   struct GraphicInfo *g = &graphic_info[graphic];
1219   Bitmap *src_bitmap;
1220   int src_x, src_y;
1221   int xoffset = (pressed ? g->pressed_xoffset : 0);
1222   int yoffset = (pressed ? g->pressed_yoffset : 0);
1223
1224   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1225
1226   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1227                    g->width, g->height, dst_x, dst_y);
1228 }
1229
1230 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1231                                        boolean active_input,
1232                                        boolean pressed_button)
1233 {
1234   int i;
1235
1236   for (i = 0; main_controls[i].nr != -1; i++)
1237   {
1238     struct MainControlInfo *mci = &main_controls[i];
1239
1240     if (mci->nr == nr || nr == -1)
1241     {
1242       struct MenuPosInfo *pos_button = mci->pos_button;
1243       struct TextPosInfo *pos_text   = mci->pos_text;
1244       struct TextPosInfo *pos_input  = mci->pos_input;
1245       char *text                     = (mci->text  ? *mci->text  : NULL);
1246       char *input                    = (mci->input ? *mci->input : NULL);
1247       int button_graphic             = mci->button_graphic;
1248       int font_text                  = (pos_text  ? pos_text->font  : -1);
1249       int font_input                 = (pos_input ? pos_input->font : -1);
1250
1251       if (active_text)
1252       {
1253         button_graphic = BUTTON_ACTIVE(button_graphic);
1254         font_text = FONT_ACTIVE(font_text);
1255       }
1256
1257       if (active_input)
1258       {
1259         font_input = FONT_ACTIVE(font_input);
1260       }
1261
1262       if (visibleMenuPos(pos_button))
1263       {
1264         struct MenuPosInfo *pos = pos_button;
1265         int x = mSX + pos->x;
1266         int y = mSY + pos->y;
1267
1268         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1269         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1270       }
1271
1272       if (visibleTextPos(pos_text) && text != NULL)
1273       {
1274         struct TextPosInfo *pos = pos_text;
1275         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1276         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1277
1278 #if 1
1279         // (check why/if this is needed)
1280         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1281 #endif
1282         DrawText(x, y, text, font_text);
1283       }
1284
1285       if (visibleTextPos(pos_input) && input != NULL)
1286       {
1287         struct TextPosInfo *pos = pos_input;
1288         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1289         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1290
1291 #if 1
1292         // (check why/if this is needed)
1293         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1294 #endif
1295         DrawText(x, y, input, font_input);
1296       }
1297     }
1298   }
1299 }
1300
1301 static void DrawCursorAndText_Main(int nr, boolean active_text,
1302                                    boolean pressed_button)
1303 {
1304   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1305 }
1306
1307 #if 0
1308 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1309                                          boolean pressed_button)
1310 {
1311   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1312 }
1313 #endif
1314
1315 static struct MainControlInfo *getMainControlInfo(int nr)
1316 {
1317   int i;
1318
1319   for (i = 0; main_controls[i].nr != -1; i++)
1320     if (main_controls[i].nr == nr)
1321       return &main_controls[i];
1322
1323   return NULL;
1324 }
1325
1326 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1327 {
1328   if (rect == NULL)
1329     return FALSE;
1330
1331   int rect_x = ALIGNED_TEXT_XPOS(rect);
1332   int rect_y = ALIGNED_TEXT_YPOS(rect);
1333
1334   return (x >= rect_x && x < rect_x + rect->width &&
1335           y >= rect_y && y < rect_y + rect->height);
1336 }
1337
1338 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1339 {
1340   if (rect == NULL)
1341     return FALSE;
1342
1343   int rect_x = ALIGNED_TEXT_XPOS(rect);
1344   int rect_y = ALIGNED_TEXT_YPOS(rect);
1345
1346 #if 0
1347   Debug("screens:insideTextPosRect",
1348         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1349         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1350         (x >= rect_x && x < rect_x + rect->width &&
1351          y >= rect_y && y < rect_y + rect->height));
1352 #endif
1353
1354   return (x >= rect_x && x < rect_x + rect->width &&
1355           y >= rect_y && y < rect_y + rect->height);
1356 }
1357
1358 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1359 {
1360   int rect_width  = preview->xsize * preview->tile_size;
1361   int rect_height = preview->ysize * preview->tile_size;
1362   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1363   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1364
1365   return (x >= rect_x && x < rect_x + rect_width &&
1366           y >= rect_y && y < rect_y + rect_height);
1367 }
1368
1369 static void AdjustScrollbar(int id, int items_max, int items_visible,
1370                             int item_position)
1371 {
1372   struct GadgetInfo *gi = screen_gadget[id];
1373
1374   if (item_position > items_max - items_visible)
1375     item_position = items_max - items_visible;
1376
1377   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1378                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1379                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1380 }
1381
1382 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1383 {
1384   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1385                   first_entry);
1386 }
1387
1388 static void clearMenuListArea(void)
1389 {
1390   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1391
1392   // correct scrollbar position if placed outside menu (playfield) area
1393   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1394     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1395
1396   // clear menu list area, but not title or scrollbar
1397   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1398                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1399 }
1400
1401 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1402 {
1403   static int cursor_array[MAX_LEV_FIELDY];
1404   int x = amSX + TILEX * xpos;
1405   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1406
1407   if (xpos == 0)
1408   {
1409     if (graphic != -1)
1410       cursor_array[ypos] = graphic;
1411     else
1412       graphic = cursor_array[ypos];
1413   }
1414
1415   if (active)
1416     graphic = BUTTON_ACTIVE(graphic);
1417
1418   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1419   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1420 }
1421
1422 static void initCursor(int ypos, int graphic)
1423 {
1424   drawCursorExt(0, ypos, FALSE, graphic);
1425 }
1426
1427 static void drawCursor(int ypos, boolean active)
1428 {
1429   drawCursorExt(0, ypos, active, -1);
1430 }
1431
1432 static void drawCursorXY(int xpos, int ypos, int graphic)
1433 {
1434   drawCursorExt(xpos, ypos, FALSE, graphic);
1435 }
1436
1437 static void drawChooseTreeCursor(int ypos, boolean active)
1438 {
1439   drawCursorExt(0, ypos, active, -1);
1440 }
1441
1442 static int getChooseTreeEditFont(boolean active)
1443 {
1444   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1445 }
1446
1447 static int getChooseTreeEditXPos(int pos)
1448 {
1449   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1450   int xoffset = (has_scrollbar ? -1 : 0);
1451   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1452   int sx = amSX + xpos * TILEX;
1453   int font_nr = getChooseTreeEditFont(FALSE);
1454   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1455
1456   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1457 }
1458
1459 static int getChooseTreeEditYPos(int ypos_raw)
1460 {
1461   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1462   int sy = amSY + ypos * TILEY;
1463
1464   return sy;
1465 }
1466
1467 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1468 {
1469   int sx = getChooseTreeEditXPos(POS_LEFT);
1470   int sy = getChooseTreeEditYPos(ypos_raw);
1471   int font_nr = getChooseTreeEditFont(active);
1472
1473   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1474 }
1475
1476 static void DrawHeadline(void)
1477 {
1478   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1479   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1480 }
1481
1482 static void DrawTitleScreenImage(int nr, boolean initial)
1483 {
1484   int graphic = getTitleScreenGraphic(nr, initial);
1485   Bitmap *bitmap = graphic_info[graphic].bitmap;
1486   int width  = graphic_info[graphic].width;
1487   int height = graphic_info[graphic].height;
1488   int src_x = graphic_info[graphic].src_x;
1489   int src_y = graphic_info[graphic].src_y;
1490   int dst_x, dst_y;
1491
1492   if (bitmap == NULL)
1493     return;
1494
1495   if (width > WIN_XSIZE)
1496   {
1497     // image width too large for window => center image horizontally
1498     src_x = (width - WIN_XSIZE) / 2;
1499     width = WIN_XSIZE;
1500   }
1501
1502   if (height > WIN_YSIZE)
1503   {
1504     // image height too large for window => center image vertically
1505     src_y = (height - WIN_YSIZE) / 2;
1506     height = WIN_YSIZE;
1507   }
1508
1509   // always display title screens centered
1510   dst_x = (WIN_XSIZE - width) / 2;
1511   dst_y = (WIN_YSIZE - height) / 2;
1512
1513   SetDrawBackgroundMask(REDRAW_ALL);
1514   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1515
1516   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1517
1518   if (DrawingOnBackground(dst_x, dst_y))
1519     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1520   else
1521     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1522
1523   redraw_mask = REDRAW_ALL;
1524 }
1525
1526 static void DrawTitleScreenMessage(int nr, boolean initial)
1527 {
1528   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1529   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1530
1531   if (filename == NULL)
1532     return;
1533
1534   // force TITLE font on title message screen
1535   SetFontStatus(getTitleMessageGameMode(initial));
1536
1537   // if chars *and* width set to "-1", automatically determine width
1538   if (tmi->chars == -1 && tmi->width == -1)
1539     tmi->width = viewport.window[game_status].width;
1540
1541   // if lines *and* height set to "-1", automatically determine height
1542   if (tmi->lines == -1 && tmi->height == -1)
1543     tmi->height = viewport.window[game_status].height;
1544
1545   // if chars set to "-1", automatically determine by text and font width
1546   if (tmi->chars == -1)
1547     tmi->chars = tmi->width / getFontWidth(tmi->font);
1548   else
1549     tmi->width = tmi->chars * getFontWidth(tmi->font);
1550
1551   // if lines set to "-1", automatically determine by text and font height
1552   if (tmi->lines == -1)
1553     tmi->lines = tmi->height / getFontHeight(tmi->font);
1554   else
1555     tmi->height = tmi->lines * getFontHeight(tmi->font);
1556
1557   // if x set to "-1", automatically determine by width and alignment
1558   if (tmi->x == -1)
1559     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1560
1561   // if y set to "-1", automatically determine by height and alignment
1562   if (tmi->y == -1)
1563     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1564
1565   SetDrawBackgroundMask(REDRAW_ALL);
1566   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1567
1568   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1569
1570   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1571                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1572                tmi->autowrap, tmi->centered, tmi->parse_comments);
1573
1574   ResetFontStatus();
1575 }
1576
1577 static void DrawTitleScreen(void)
1578 {
1579   KeyboardAutoRepeatOff();
1580
1581   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1582 }
1583
1584 static boolean CheckTitleScreen(boolean levelset_has_changed)
1585 {
1586   static boolean show_title_initial = TRUE;
1587   boolean show_titlescreen = FALSE;
1588
1589   // needed to be able to skip title screen, if no image or message defined
1590   InitializeTitleControls(show_title_initial);
1591
1592   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1593     show_titlescreen = TRUE;
1594
1595   // show initial title images and messages only once at program start
1596   show_title_initial = FALSE;
1597
1598   return (show_titlescreen && num_title_screens > 0);
1599 }
1600
1601 void DrawMainMenu(void)
1602 {
1603   static LevelDirTree *leveldir_last_valid = NULL;
1604   boolean levelset_has_changed = FALSE;
1605   int fade_mask = REDRAW_FIELD;
1606
1607   LimitScreenUpdates(FALSE);
1608
1609   FadeSetLeaveScreen();
1610
1611   // do not fade out here -- function may continue and fade on editor screen
1612
1613   UnmapAllGadgets();
1614   FadeMenuSoundsAndMusic();
1615
1616   ExpireSoundLoops(FALSE);
1617
1618   KeyboardAutoRepeatOn();
1619
1620   audio.sound_deactivated = FALSE;
1621
1622   GetPlayerConfig();
1623
1624   // needed if last screen was the playing screen, invoked from level editor
1625   if (level_editor_test_game)
1626   {
1627     CloseDoor(DOOR_CLOSE_ALL);
1628
1629     SetGameStatus(GAME_MODE_EDITOR);
1630
1631     DrawLevelEd();
1632
1633     return;
1634   }
1635
1636   // leveldir_current may be invalid (level group, parent link, node copy)
1637   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1638
1639   if (leveldir_current != leveldir_last_valid)
1640   {
1641     UpdateLastPlayedLevels_TreeInfo();
1642
1643     levelset_has_changed = TRUE;
1644   }
1645
1646   // store valid level series information
1647   leveldir_last_valid = leveldir_current;
1648
1649   init_last = init;                     // switch to new busy animation
1650
1651   // needed if last screen (level choice) changed graphics, sounds or music
1652   ReloadCustomArtwork(0);
1653
1654   if (CheckTitleScreen(levelset_has_changed))
1655   {
1656     SetGameStatus(GAME_MODE_TITLE);
1657
1658     DrawTitleScreen();
1659
1660     return;
1661   }
1662
1663   if (redraw_mask & REDRAW_ALL)
1664     fade_mask = REDRAW_ALL;
1665
1666   if (CheckFadeAll())
1667     fade_mask = REDRAW_ALL;
1668
1669   FadeOut(fade_mask);
1670
1671   // needed if different viewport properties defined for menues
1672   ChangeViewportPropertiesIfNeeded();
1673
1674   SetDrawtoField(DRAW_TO_BACKBUFFER);
1675
1676   // level_nr may have been set to value over handicap with level editor
1677   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1678     level_nr = leveldir_current->handicap_level;
1679
1680   LoadLevel(level_nr);
1681   LoadScore(level_nr);
1682
1683   SaveLevelSetup_SeriesInfo();
1684
1685   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1686   SetDrawDeactivationMask(REDRAW_NONE);
1687   SetDrawBackgroundMask(REDRAW_FIELD);
1688
1689   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1690
1691 #if 0
1692   if (fade_mask == REDRAW_ALL)
1693     RedrawGlobalBorder();
1694 #endif
1695
1696   ClearField();
1697
1698   InitializeMainControls();
1699
1700   DrawCursorAndText_Main(-1, FALSE, FALSE);
1701   DrawPreviewLevelInitial();
1702   DrawNetworkPlayers();
1703
1704   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1705
1706   TapeStop();
1707   if (TAPE_IS_EMPTY(tape))
1708     LoadTape(level_nr);
1709   DrawCompleteVideoDisplay();
1710
1711   PlayMenuSoundsAndMusic();
1712
1713   // create gadgets for main menu screen
1714   FreeScreenGadgets();
1715   CreateScreenGadgets();
1716
1717   // may be required if audio buttons shown on tape and changed in setup menu
1718   FreeGameButtons();
1719   CreateGameButtons();
1720
1721   // map gadgets for main menu screen
1722   MapTapeButtons();
1723   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1724   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1725
1726   // copy actual game door content to door double buffer for OpenDoor()
1727   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1728   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1729
1730   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1731
1732   DrawMaskedBorder(fade_mask);
1733
1734   FadeIn(fade_mask);
1735   FadeSetEnterMenu();
1736
1737   // update screen area with special editor door
1738   redraw_mask |= REDRAW_ALL;
1739   BackToFront();
1740
1741   SetMouseCursor(CURSOR_DEFAULT);
1742
1743   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1744
1745   SyncEmscriptenFilesystem();
1746 }
1747
1748 static void gotoTopLevelDir(void)
1749 {
1750   // move upwards until inside (but not above) top level directory
1751   while (leveldir_current->node_parent &&
1752          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1753   {
1754     // write a "path" into level tree for easy navigation to last level
1755     if (leveldir_current->node_parent->node_group->cl_first == -1)
1756     {
1757       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1758       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1759       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1760       int cl_first, cl_cursor;
1761
1762       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1763       cl_cursor = leveldir_pos - cl_first;
1764
1765       leveldir_current->node_parent->node_group->cl_first = cl_first;
1766       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1767     }
1768
1769     leveldir_current = leveldir_current->node_parent;
1770   }
1771 }
1772
1773 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1774 {
1775   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1776
1777   return (use_frame_counter ? video.frame_counter : Counter());
1778 }
1779
1780 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1781                                      struct TitleFadingInfo *fi)
1782 {
1783   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1784 }
1785
1786 static void ResetTitleAutoDelay(unsigned int *counter_var,
1787                                 struct TitleFadingInfo *fi)
1788 {
1789   *counter_var = getAutoDelayCounter(fi);
1790 }
1791
1792 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1793 {
1794   static unsigned int title_delay = 0;
1795   static int title_screen_nr = 0;
1796   static int last_sound = -1, last_music = -1;
1797   boolean return_to_main_menu = FALSE;
1798   struct TitleControlInfo *tci;
1799   int sound, music;
1800
1801   if (button == MB_MENU_INITIALIZE)
1802   {
1803     title_delay = 0;
1804     title_screen_nr = 0;
1805     tci = &title_controls[title_screen_nr];
1806
1807     SetAnimStatus(getTitleAnimMode(tci));
1808
1809     last_sound = SND_UNDEFINED;
1810     last_music = MUS_UNDEFINED;
1811
1812     if (num_title_screens != 0)
1813     {
1814       FadeSetEnterScreen();
1815
1816       // use individual title fading instead of global "enter screen" fading
1817       fading = getTitleFading(tci);
1818     }
1819
1820     if (game_status_last_screen == GAME_MODE_INFO)
1821     {
1822       if (num_title_screens == 0)
1823       {
1824         // switch game mode from title screen mode back to info screen mode
1825         SetGameStatus(GAME_MODE_INFO);
1826
1827         // store that last screen was info screen, not main menu screen
1828         game_status_last_screen = GAME_MODE_INFO;
1829
1830         DrawInfoScreen_NotAvailable("Title screen information:",
1831                                     "No title screen for this level set.");
1832         return;
1833       }
1834     }
1835
1836     FadeMenuSoundsAndMusic();
1837
1838     FadeOut(REDRAW_ALL);
1839
1840     // title screens may have different window size
1841     ChangeViewportPropertiesIfNeeded();
1842
1843     // only required to update logic for redrawing global border
1844     ClearField();
1845
1846     if (tci->is_image)
1847       DrawTitleScreenImage(tci->local_nr, tci->initial);
1848     else
1849       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1850
1851     sound = getTitleSound(tci);
1852     music = getTitleMusic(tci);
1853
1854     if (sound != last_sound)
1855       PlayMenuSoundExt(sound);
1856     if (music != last_music)
1857       PlayMenuMusicExt(music);
1858
1859     last_sound = sound;
1860     last_music = music;
1861
1862     SetMouseCursor(CURSOR_NONE);
1863
1864     FadeIn(REDRAW_ALL);
1865
1866     ResetTitleAutoDelay(&title_delay, &fading);
1867
1868     return;
1869   }
1870
1871   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1872     button = MB_MENU_CHOICE;
1873
1874   if (button == MB_MENU_LEAVE)
1875   {
1876     return_to_main_menu = TRUE;
1877   }
1878   else if (button == MB_MENU_CHOICE)
1879   {
1880     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1881     {
1882       SetGameStatus(GAME_MODE_INFO);
1883
1884       info_mode = INFO_MODE_MAIN;
1885
1886       DrawInfoScreen();
1887
1888       return;
1889     }
1890
1891     title_screen_nr++;
1892
1893     if (title_screen_nr < num_title_screens)
1894     {
1895       tci = &title_controls[title_screen_nr];
1896
1897       SetAnimStatus(getTitleAnimMode(tci));
1898
1899       sound = getTitleSound(tci);
1900       music = getTitleMusic(tci);
1901
1902       if (last_sound != SND_UNDEFINED && sound != last_sound)
1903         FadeSound(last_sound);
1904       if (last_music != MUS_UNDEFINED && music != last_music)
1905         FadeMusic();
1906
1907       fading = getTitleFading(tci);
1908
1909       FadeOut(REDRAW_ALL);
1910
1911       if (tci->is_image)
1912         DrawTitleScreenImage(tci->local_nr, tci->initial);
1913       else
1914         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1915
1916       sound = getTitleSound(tci);
1917       music = getTitleMusic(tci);
1918
1919       if (sound != last_sound)
1920         PlayMenuSoundExt(sound);
1921       if (music != last_music)
1922         PlayMenuMusicExt(music);
1923
1924       last_sound = sound;
1925       last_music = music;
1926
1927       FadeIn(REDRAW_ALL);
1928
1929       ResetTitleAutoDelay(&title_delay, &fading);
1930     }
1931     else
1932     {
1933       FadeMenuSoundsAndMusic();
1934
1935       return_to_main_menu = TRUE;
1936     }
1937   }
1938
1939   if (return_to_main_menu)
1940   {
1941     SetMouseCursor(CURSOR_DEFAULT);
1942
1943     // force full menu screen redraw after displaying title screens
1944     redraw_mask = REDRAW_ALL;
1945
1946     if (game_status_last_screen == GAME_MODE_INFO)
1947     {
1948       SetGameStatus(GAME_MODE_INFO);
1949
1950       info_mode = INFO_MODE_MAIN;
1951
1952       DrawInfoScreen();
1953     }
1954     else        // default: return to main menu
1955     {
1956       SetGameStatus(GAME_MODE_MAIN);
1957
1958       DrawMainMenu();
1959     }
1960   }
1961 }
1962
1963 static void HandleMainMenu_ToggleTeamMode(void)
1964 {
1965   setup.team_mode = !setup.team_mode;
1966
1967   InitializeMainControls();
1968   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
1969
1970   DrawPreviewPlayers();
1971 }
1972
1973 static void HandleMainMenu_SelectLevel(int step, int direction,
1974                                        int selected_level_nr)
1975 {
1976   int old_level_nr = level_nr;
1977   int new_level_nr;
1978
1979   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1980     new_level_nr = selected_level_nr;
1981   else
1982     new_level_nr = old_level_nr + step * direction;
1983
1984   if (new_level_nr < leveldir_current->first_level)
1985     new_level_nr = leveldir_current->first_level;
1986   if (new_level_nr > leveldir_current->last_level)
1987     new_level_nr = leveldir_current->last_level;
1988
1989   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1990   {
1991     // skipping levels is only allowed when trying to skip single level
1992     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1993         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1994     {
1995       leveldir_current->handicap_level++;
1996       SaveLevelSetup_SeriesInfo();
1997     }
1998
1999     new_level_nr = leveldir_current->handicap_level;
2000   }
2001
2002   if (new_level_nr != old_level_nr)
2003   {
2004     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2005
2006     PlaySound(SND_MENU_ITEM_SELECTING);
2007
2008     level_nr = new_level_nr;
2009
2010     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2011              int2str(level_nr, menu.main.text.level_number.size),
2012              mci->pos_text->font);
2013
2014     LoadLevel(level_nr);
2015     DrawPreviewLevelInitial();
2016
2017     TapeErase();
2018     LoadTape(level_nr);
2019     DrawCompleteVideoDisplay();
2020
2021     SaveLevelSetup_SeriesInfo();
2022
2023     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2024
2025     // force redraw of playfield area (may be reset at this point)
2026     redraw_mask |= REDRAW_FIELD;
2027   }
2028 }
2029
2030 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2031 {
2032   static int choice = MAIN_CONTROL_GAME;
2033   static boolean button_pressed_last = FALSE;
2034   boolean button_pressed = FALSE;
2035   int pos = choice;
2036   int i = 0;    // needed to prevent compiler warning due to bad code below
2037
2038   if (button == MB_MENU_INITIALIZE)
2039   {
2040     DrawCursorAndText_Main(choice, TRUE, FALSE);
2041
2042     return;
2043   }
2044
2045   if (mx || my)         // mouse input
2046   {
2047     pos = -1;
2048
2049     for (i = 0; main_controls[i].nr != -1; i++)
2050     {
2051       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2052           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2053           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2054       {
2055         pos = main_controls[i].nr;
2056
2057         break;
2058       }
2059     }
2060
2061     // check if level preview was clicked
2062     if (insidePreviewRect(&preview, mx - SX, my - SY))
2063       pos = MAIN_CONTROL_GAME;
2064
2065     // handle pressed/unpressed state for active/inactive menu buttons
2066     // (if pos != -1, "i" contains index position corresponding to "pos")
2067     if (button &&
2068         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2069         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2070       button_pressed = TRUE;
2071
2072     if (button_pressed != button_pressed_last)
2073     {
2074       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2075
2076       if (button_pressed)
2077         PlaySound(SND_MENU_BUTTON_PRESSING);
2078       else
2079         PlaySound(SND_MENU_BUTTON_RELEASING);
2080     }
2081   }
2082   else if (dx || dy)    // keyboard input
2083   {
2084     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2085                    choice == MAIN_CONTROL_SETUP))
2086       button = MB_MENU_CHOICE;
2087     else if (dy)
2088       pos = choice + dy;
2089   }
2090
2091   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2092   {
2093     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2094   }
2095   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2096   {
2097     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2098   }
2099   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2100   {
2101     CloseDoor(DOOR_CLOSE_2);
2102
2103     SetGameStatus(GAME_MODE_LEVELNR);
2104
2105     DrawChooseLevelNr();
2106   }
2107   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2108   {
2109     if (button)
2110     {
2111       if (pos != choice)
2112       {
2113         PlaySound(SND_MENU_ITEM_ACTIVATING);
2114
2115         DrawCursorAndText_Main(choice, FALSE, FALSE);
2116         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2117
2118         choice = pos;
2119       }
2120       else if (dx != 0)
2121       {
2122         if (choice == MAIN_CONTROL_NAME)
2123         {
2124           // special case: cursor left or right pressed -- toggle team mode
2125           HandleMainMenu_ToggleTeamMode();
2126         }
2127         else if (choice != MAIN_CONTROL_INFO &&
2128                  choice != MAIN_CONTROL_SETUP)
2129         {
2130           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2131         }
2132       }
2133     }
2134     else
2135     {
2136       PlaySound(SND_MENU_ITEM_SELECTING);
2137
2138       if (pos == MAIN_CONTROL_NAME)
2139       {
2140         if ((mx || my) &&
2141             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2142         {
2143           // special case: menu text "name/team" clicked -- toggle team mode
2144           HandleMainMenu_ToggleTeamMode();
2145         }
2146         else
2147         {
2148           if (setup.multiple_users)
2149           {
2150             CloseDoor(DOOR_CLOSE_2);
2151
2152             SetGameStatus(GAME_MODE_NAMES);
2153
2154             DrawChoosePlayerName();
2155           }
2156           else
2157           {
2158             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2159
2160             DrawTypeName();
2161           }
2162         }
2163       }
2164       else if (pos == MAIN_CONTROL_LEVELS)
2165       {
2166         if (leveldir_first)
2167         {
2168           CloseDoor(DOOR_CLOSE_2);
2169
2170           SetGameStatus(GAME_MODE_LEVELS);
2171
2172           SaveLevelSetup_LastSeries();
2173           SaveLevelSetup_SeriesInfo();
2174
2175           // restore level set if chosen from "last played level set" menu
2176           RestoreLastPlayedLevels(&leveldir_current);
2177
2178           if (setup.internal.choose_from_top_leveldir)
2179             gotoTopLevelDir();
2180
2181           DrawChooseLevelSet();
2182         }
2183       }
2184       else if (pos == MAIN_CONTROL_SCORES)
2185       {
2186         CloseDoor(DOOR_CLOSE_2);
2187
2188         SetGameStatus(GAME_MODE_SCORES);
2189
2190         DrawHallOfFame(level_nr);
2191       }
2192       else if (pos == MAIN_CONTROL_EDITOR)
2193       {
2194         if (leveldir_current->readonly &&
2195             setup.editor.show_read_only_warning)
2196           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2197
2198         CloseDoor(DOOR_CLOSE_ALL);
2199
2200         SetGameStatus(GAME_MODE_EDITOR);
2201
2202         FadeSetEnterScreen();
2203
2204         DrawLevelEd();
2205       }
2206       else if (pos == MAIN_CONTROL_INFO)
2207       {
2208         CloseDoor(DOOR_CLOSE_2);
2209
2210         SetGameStatus(GAME_MODE_INFO);
2211
2212         info_mode = INFO_MODE_MAIN;
2213
2214         DrawInfoScreen();
2215       }
2216       else if (pos == MAIN_CONTROL_GAME)
2217       {
2218         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2219       }
2220       else if (pos == MAIN_CONTROL_SETUP)
2221       {
2222         CloseDoor(DOOR_CLOSE_2);
2223
2224         SetGameStatus(GAME_MODE_SETUP);
2225
2226         setup_mode = SETUP_MODE_MAIN;
2227
2228         DrawSetupScreen();
2229       }
2230       else if (pos == MAIN_CONTROL_QUIT)
2231       {
2232         SaveLevelSetup_LastSeries();
2233         SaveLevelSetup_SeriesInfo();
2234
2235         if (!setup.ask_on_quit_program ||
2236             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2237           SetGameStatus(GAME_MODE_QUIT);
2238       }
2239     }
2240   }
2241
2242   button_pressed_last = button_pressed;
2243 }
2244
2245
2246 // ============================================================================
2247 // info screen functions
2248 // ============================================================================
2249
2250 static struct TokenInfo *info_info;
2251 static int num_info_info;       // number of info entries shown on screen
2252 static int max_info_info;       // total number of info entries in list
2253
2254 static void execInfoTitleScreen(void)
2255 {
2256   info_mode = INFO_MODE_TITLE;
2257
2258   DrawInfoScreen();
2259 }
2260
2261 static void execInfoElements(void)
2262 {
2263   info_mode = INFO_MODE_ELEMENTS;
2264
2265   DrawInfoScreen();
2266 }
2267
2268 static void execInfoMusic(void)
2269 {
2270   info_mode = INFO_MODE_MUSIC;
2271
2272   DrawInfoScreen();
2273 }
2274
2275 static void execInfoCredits(void)
2276 {
2277   info_mode = INFO_MODE_CREDITS;
2278
2279   DrawInfoScreen();
2280 }
2281
2282 static void execInfoProgram(void)
2283 {
2284   info_mode = INFO_MODE_PROGRAM;
2285
2286   DrawInfoScreen();
2287 }
2288
2289 static void execInfoVersion(void)
2290 {
2291   info_mode = INFO_MODE_VERSION;
2292
2293   DrawInfoScreen();
2294 }
2295
2296 static void execInfoLevelSet(void)
2297 {
2298   info_mode = INFO_MODE_LEVELSET;
2299
2300   DrawInfoScreen();
2301 }
2302
2303 static void execExitInfo(void)
2304 {
2305   SetGameStatus(GAME_MODE_MAIN);
2306
2307   DrawMainMenu();
2308 }
2309
2310 static struct TokenInfo info_info_main[] =
2311 {
2312   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2313   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2314   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2315   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2316   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2317   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2318   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2319   { TYPE_EMPTY,         NULL,                   ""                      },
2320   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2321
2322   { 0,                  NULL,                   NULL                    }
2323 };
2324
2325 static int getMenuTextFont(int type)
2326 {
2327   if (type & (TYPE_SWITCH       |
2328               TYPE_YES_NO       |
2329               TYPE_YES_NO_AUTO  |
2330               TYPE_STRING       |
2331               TYPE_PLAYER       |
2332               TYPE_ECS_AGA      |
2333               TYPE_KEYTEXT      |
2334               TYPE_ENTER_LIST   |
2335               TYPE_TEXT_INPUT))
2336     return FONT_MENU_2;
2337   else
2338     return FONT_MENU_1;
2339 }
2340
2341 static struct TokenInfo *setup_info;
2342 static struct TokenInfo setup_info_input[];
2343
2344 static struct TokenInfo *menu_info;
2345
2346 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2347                                        int screen_pos, int menu_info_pos_raw,
2348                                        boolean active)
2349 {
2350   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2351   struct TokenInfo *ti = &token_info[pos];
2352   int xpos = MENU_SCREEN_START_XPOS;
2353   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2354   int font_nr = getMenuTextFont(ti->type);
2355
2356   if (setup_mode == SETUP_MODE_INPUT)
2357     font_nr = FONT_MENU_1;
2358
2359   if (active)
2360     font_nr = FONT_ACTIVE(font_nr);
2361
2362   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2363
2364   if (ti->type & ~TYPE_SKIP_ENTRY)
2365     drawCursor(screen_pos, active);
2366 }
2367
2368 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2369                                    boolean active)
2370 {
2371   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2372 }
2373
2374 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2375                                     boolean active)
2376 {
2377   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2378 }
2379
2380 static char *window_size_text;
2381 static char *scaling_type_text;
2382 static char *network_server_text;
2383
2384 static void drawSetupValue(int, int);
2385
2386 static void drawMenuInfoList(int first_entry, int num_page_entries,
2387                              int max_page_entries)
2388 {
2389   int i;
2390
2391   if (first_entry + num_page_entries > max_page_entries)
2392     first_entry = 0;
2393
2394   clearMenuListArea();
2395
2396   for (i = 0; i < num_page_entries; i++)
2397   {
2398     int menu_info_pos = first_entry + i;
2399     struct TokenInfo *si = &menu_info[menu_info_pos];
2400     void *value_ptr = si->value;
2401
2402     // set some entries to "unchangeable" according to other variables
2403     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2404         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2405         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2406         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2407         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2408         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2409       si->type |= TYPE_GHOSTED;
2410
2411     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2412       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2413     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2414       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2415     else if (si->type & ~TYPE_SKIP_ENTRY)
2416       initCursor(i, IMG_MENU_BUTTON);
2417
2418     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2419
2420     if (si->type & TYPE_STRING)
2421     {
2422       int gadget_id = -1;
2423
2424       if (value_ptr == &network_server_text)
2425         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2426
2427       if (gadget_id != -1)
2428       {
2429         struct GadgetInfo *gi = screen_gadget[gadget_id];
2430         int xpos = MENU_SCREEN_START_XPOS;
2431         int ypos = MENU_SCREEN_START_YPOS + i;
2432         int x = mSX + xpos * 32;
2433         int y = mSY + ypos * 32;
2434
2435         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2436       }
2437     }
2438
2439     if (si->type & TYPE_VALUE &&
2440         menu_info == setup_info)
2441       drawSetupValue(i, menu_info_pos);
2442   }
2443 }
2444
2445 static void DrawInfoScreen_Main(void)
2446 {
2447   int fade_mask = REDRAW_FIELD;
2448   int i;
2449
2450   if (redraw_mask & REDRAW_ALL)
2451     fade_mask = REDRAW_ALL;
2452
2453   if (CheckFadeAll())
2454     fade_mask = REDRAW_ALL;
2455
2456   UnmapAllGadgets();
2457   FadeMenuSoundsAndMusic();
2458
2459   FreeScreenGadgets();
2460   CreateScreenGadgets();
2461
2462   // (needed after displaying title screens which disable auto repeat)
2463   KeyboardAutoRepeatOn();
2464
2465   FadeSetLeaveScreen();
2466
2467   FadeOut(fade_mask);
2468
2469   // needed if different viewport properties defined for info screen
2470   ChangeViewportPropertiesIfNeeded();
2471
2472   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2473
2474   ClearField();
2475
2476   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2477
2478   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2479
2480   info_info = info_info_main;
2481
2482   // determine maximal number of info entries that can be displayed on screen
2483   num_info_info = 0;
2484   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2485     num_info_info++;
2486
2487   // determine maximal number of info entries available for menu of info screen
2488   max_info_info = 0;
2489   for (i = 0; info_info[i].type != 0; i++)
2490     max_info_info++;
2491
2492   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2493
2494   MapScreenGadgets(max_info_info);
2495
2496   PlayMenuSoundsAndMusic();
2497
2498   DrawMaskedBorder(fade_mask);
2499
2500   FadeIn(fade_mask);
2501 }
2502
2503 static void changeSetupValue(int, int, int);
2504
2505 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2506                              int mode, int num_page_entries,
2507                              int max_page_entries)
2508 {
2509   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2510   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2511   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2512   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2513   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2514   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2515   int *num_page_entries_last = num_page_entries_all_last[game_status];
2516   int *choice_store = choice_stores[game_status];
2517   int *first_entry_store = first_entry_stores[game_status];
2518   int choice = choice_store[mode];              // starts with 0
2519   int first_entry = first_entry_store[mode];    // starts with 0
2520   int x = 0;
2521   int y = choice - first_entry;
2522   int y_old = y;
2523   boolean position_set_by_scrollbar = (dx == 999);
2524   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2525   int i;
2526
2527   if (button == MB_MENU_INITIALIZE)
2528   {
2529     // check if number of menu page entries has changed (may happen by change
2530     // of custom artwork definition value for 'list_size' for this menu screen)
2531     // (in this case, the last menu position most probably has to be corrected)
2532     if (num_page_entries != num_page_entries_last[mode])
2533     {
2534       choice_store[mode] = first_entry_store[mode] = 0;
2535
2536       choice = first_entry = 0;
2537       y = y_old = 0;
2538
2539       num_page_entries_last[mode] = num_page_entries;
2540     }
2541
2542     // advance to first valid menu entry
2543     while (choice < num_page_entries &&
2544            menu_info[choice].type & TYPE_SKIP_ENTRY)
2545       choice++;
2546
2547     if (position_set_by_scrollbar)
2548       first_entry = first_entry_store[mode] = dy;
2549     else
2550       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2551                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2552
2553     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2554
2555     if (choice < first_entry)
2556     {
2557       choice = first_entry;
2558
2559       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2560         choice++;
2561     }
2562     else if (choice > first_entry + num_page_entries - 1)
2563     {
2564       choice = first_entry + num_page_entries - 1;
2565
2566       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2567         choice--;
2568     }
2569
2570     choice_store[mode] = choice;
2571
2572     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2573
2574     return;
2575   }
2576   else if (button == MB_MENU_LEAVE)
2577   {
2578     PlaySound(SND_MENU_ITEM_SELECTING);
2579
2580     for (i = 0; i < max_page_entries; i++)
2581     {
2582       if (menu_info[i].type & TYPE_LEAVE_MENU)
2583       {
2584         void (*menu_callback_function)(void) = menu_info[i].value;
2585
2586         FadeSetLeaveMenu();
2587
2588         menu_callback_function();
2589
2590         break;  // absolutely needed because function changes 'menu_info'!
2591       }
2592     }
2593
2594     return;
2595   }
2596
2597   if (mx || my)         // mouse input
2598   {
2599     x = (mx - mSX) / 32;
2600     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2601   }
2602   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2603   {
2604     // move cursor instead of scrolling when already at start/end of list
2605     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2606       dy = -1;
2607     else if (dy == +1 * SCROLL_LINE &&
2608              first_entry + num_page_entries == max_page_entries)
2609       dy = 1;
2610
2611     // handle scrolling screen one line or page
2612     if (y + dy < 0 ||
2613         y + dy > num_page_entries - 1)
2614     {
2615       boolean redraw = FALSE;
2616
2617       if (ABS(dy) == SCROLL_PAGE)
2618         step = num_page_entries - 1;
2619
2620       if (dy < 0 && first_entry > 0)
2621       {
2622         // scroll page/line up
2623
2624         first_entry -= step;
2625         if (first_entry < 0)
2626           first_entry = 0;
2627
2628         redraw = TRUE;
2629       }
2630       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2631       {
2632         // scroll page/line down
2633
2634         first_entry += step;
2635         if (first_entry + num_page_entries > max_page_entries)
2636           first_entry = MAX(0, max_page_entries - num_page_entries);
2637
2638         redraw = TRUE;
2639       }
2640
2641       if (redraw)
2642       {
2643         choice += first_entry - first_entry_store[mode];
2644
2645         if (choice < first_entry)
2646         {
2647           choice = first_entry;
2648
2649           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2650             choice++;
2651         }
2652         else if (choice > first_entry + num_page_entries - 1)
2653         {
2654           choice = first_entry + num_page_entries - 1;
2655
2656           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2657             choice--;
2658         }
2659         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2660         {
2661           choice += SIGN(dy);
2662
2663           if (choice < first_entry ||
2664               choice > first_entry + num_page_entries - 1)
2665           first_entry += SIGN(dy);
2666         }
2667
2668         first_entry_store[mode] = first_entry;
2669         choice_store[mode] = choice;
2670
2671         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2672
2673         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2674
2675         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2676                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2677       }
2678
2679       return;
2680     }
2681
2682     if (dx)
2683     {
2684       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2685
2686       if (menu_info[choice].type & menu_navigation_type ||
2687           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2688           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2689           menu_info[choice].type & TYPE_PLAYER)
2690         button = MB_MENU_CHOICE;
2691     }
2692     else if (dy)
2693       y += dy;
2694
2695     // jump to next non-empty menu entry (up or down)
2696     while (first_entry + y > 0 &&
2697            first_entry + y < max_page_entries - 1 &&
2698            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2699       y += dy;
2700
2701     if (!IN_VIS_MENU(x, y))
2702     {
2703       choice += y - y_old;
2704
2705       if (choice < first_entry)
2706         first_entry = choice;
2707       else if (choice > first_entry + num_page_entries - 1)
2708         first_entry = choice - num_page_entries + 1;
2709
2710       if (first_entry >= 0 &&
2711           first_entry + num_page_entries <= max_page_entries)
2712       {
2713         first_entry_store[mode] = first_entry;
2714
2715         if (choice < first_entry)
2716           choice = first_entry;
2717         else if (choice > first_entry + num_page_entries - 1)
2718           choice = first_entry + num_page_entries - 1;
2719
2720         choice_store[mode] = choice;
2721
2722         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2723
2724         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2725
2726         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2727                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2728       }
2729
2730       return;
2731     }
2732   }
2733
2734   if (!anyScrollbarGadgetActive() &&
2735       IN_VIS_MENU(x, y) &&
2736       mx < mx_right_border &&
2737       y >= 0 && y < num_page_entries)
2738   {
2739     if (button)
2740     {
2741       if (first_entry + y != choice &&
2742           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2743       {
2744         PlaySound(SND_MENU_ITEM_ACTIVATING);
2745
2746         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2747         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2748
2749         choice = choice_store[mode] = first_entry + y;
2750       }
2751       else if (dx < 0)
2752       {
2753         PlaySound(SND_MENU_ITEM_SELECTING);
2754
2755         for (i = 0; menu_info[i].type != 0; i++)
2756         {
2757           if (menu_info[i].type & TYPE_LEAVE_MENU)
2758           {
2759             void (*menu_callback_function)(void) = menu_info[i].value;
2760
2761             FadeSetLeaveMenu();
2762
2763             menu_callback_function();
2764
2765             // absolutely needed because function changes 'menu_info'!
2766             break;
2767           }
2768         }
2769
2770         return;
2771       }
2772     }
2773     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2774     {
2775       PlaySound(SND_MENU_ITEM_SELECTING);
2776
2777       // when selecting key headline, execute function for key value change
2778       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2779           menu_info[first_entry + y + 1].type & TYPE_KEY)
2780         y++;
2781
2782       // when selecting string value, execute function for list selection
2783       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2784           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2785         y--;
2786
2787       // when selecting string value, execute function for text input gadget
2788       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2789           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2790         y--;
2791
2792       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2793       {
2794         void (*menu_callback_function)(void) =
2795           menu_info[first_entry + y].value;
2796
2797         FadeSetFromType(menu_info[first_entry + y].type);
2798
2799         menu_callback_function();
2800       }
2801       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2802       {
2803         void (*gadget_callback_function)(void) =
2804           menu_info[first_entry + y].value;
2805
2806         gadget_callback_function();
2807       }
2808       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2809                menu_info == setup_info)
2810       {
2811         changeSetupValue(y, first_entry + y, dx);
2812       }
2813     }
2814   }
2815 }
2816
2817 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2818 {
2819   menu_info = info_info;
2820
2821   HandleMenuScreen(mx, my, dx, dy, button,
2822                    info_mode, num_info_info, max_info_info);
2823 }
2824
2825 static int getMenuFontSpacing(int spacing_height, int font_nr)
2826 {
2827   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2828
2829   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2830           spacing_height);
2831 }
2832
2833 static int getMenuTextSpacing(int spacing_height, int font_nr)
2834 {
2835   return (getMenuFontSpacing(spacing_height, font_nr) +
2836           EXTRA_SPACING(game_status));
2837 }
2838
2839 static int getMenuTextStep(int spacing_height, int font_nr)
2840 {
2841   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2842 }
2843
2844 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2845 {
2846   int font_title = MENU_INFO_FONT_TITLE;
2847   int font_error = FONT_TEXT_2;
2848   int font_foot  = MENU_INFO_FONT_FOOT;
2849   int spacing_title = menu.headline1_spacing_info[info_mode];
2850   int ystep_title = getMenuTextStep(spacing_title, font_title);
2851   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2852   int ystart2 = ystart1 + ystep_title;
2853   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2854
2855   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2856
2857   FadeOut(REDRAW_FIELD);
2858
2859   ClearField();
2860   DrawHeadline();
2861
2862   DrawTextSCentered(ystart1, font_title, text_title);
2863   DrawTextSCentered(ystart2, font_error, text_error);
2864
2865   DrawTextSCentered(ybottom, font_foot,
2866                     "Press any key or button for info menu");
2867
2868   FadeIn(REDRAW_FIELD);
2869 }
2870
2871 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2872 {
2873   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2874   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2875   int font_title = MENU_INFO_FONT_TITLE;
2876   int font_foot  = MENU_INFO_FONT_FOOT;
2877   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2878   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2879   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2880   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2881   int ystep = MENU_SCREEN_INFO_YSTEP;
2882   int element, action, direction;
2883   int graphic;
2884   int delay;
2885   int sync_frame;
2886   int i, j;
2887
2888   if (init)
2889   {
2890     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2891       infoscreen_step[i] = infoscreen_frame[i] = 0;
2892
2893     ClearField();
2894     DrawHeadline();
2895
2896     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2897
2898     DrawTextSCentered(ybottom, font_foot,
2899                       "Press any key or button for next page");
2900
2901     FrameCounter = 0;
2902   }
2903
2904   i = j = 0;
2905   while (helpanim_info[j].element != HELPANIM_LIST_END)
2906   {
2907     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2908         i >= max_anims)
2909       break;
2910     else if (i < start)
2911     {
2912       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2913         j++;
2914
2915       j++;
2916       i++;
2917
2918       continue;
2919     }
2920
2921     j += infoscreen_step[i - start];
2922
2923     element = helpanim_info[j].element;
2924     action = helpanim_info[j].action;
2925     direction = helpanim_info[j].direction;
2926
2927     if (element < 0)
2928       element = EL_UNKNOWN;
2929
2930     if (action != -1 && direction != -1)
2931       graphic = el_act_dir2img(element, action, direction);
2932     else if (action != -1)
2933       graphic = el_act2img(element, action);
2934     else if (direction != -1)
2935       graphic = el_dir2img(element, direction);
2936     else
2937       graphic = el2img(element);
2938
2939     delay = helpanim_info[j++].delay;
2940
2941     if (delay == -1)
2942       delay = 1000000;
2943
2944     if (infoscreen_frame[i - start] == 0)
2945     {
2946       sync_frame = 0;
2947       infoscreen_frame[i - start] = delay - 1;
2948     }
2949     else
2950     {
2951       sync_frame = delay - infoscreen_frame[i - start];
2952       infoscreen_frame[i - start]--;
2953     }
2954
2955     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2956     {
2957       if (!infoscreen_frame[i - start])
2958         infoscreen_step[i - start] = 0;
2959     }
2960     else
2961     {
2962       if (!infoscreen_frame[i - start])
2963         infoscreen_step[i - start]++;
2964       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2965         j++;
2966     }
2967
2968     j++;
2969
2970     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2971                                TILEX, TILEY);
2972     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2973                                  graphic, sync_frame, USE_MASKING);
2974
2975     if (init)
2976       DrawInfoScreen_HelpText(element, action, direction, i - start);
2977
2978     i++;
2979   }
2980
2981   redraw_mask |= REDRAW_FIELD;
2982
2983   FrameCounter++;
2984 }
2985
2986 static char *getHelpText(int element, int action, int direction)
2987 {
2988   char token[MAX_LINE_LEN];
2989
2990   strcpy(token, element_info[element].token_name);
2991
2992   if (action != -1)
2993     strcat(token, element_action_info[action].suffix);
2994
2995   if (direction != -1)
2996     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2997
2998   return getHashEntry(helptext_info, token);
2999 }
3000
3001 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3002 {
3003   int font_nr = FONT_INFO_ELEMENTS;
3004   int font_width = getFontWidth(font_nr);
3005   int font_height = getFontHeight(font_nr);
3006   int yoffset = (TILEX - 2 * font_height) / 2;
3007   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3008   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3009   int ystep = TILEY + 4;
3010   int pad_left = xstart - SX;
3011   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3012   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3013   int max_lines_per_text = 2;
3014   char *text = NULL;
3015
3016   if (action != -1 && direction != -1)          // element.action.direction
3017     text = getHelpText(element, action, direction);
3018
3019   if (text == NULL && action != -1)             // element.action
3020     text = getHelpText(element, action, -1);
3021
3022   if (text == NULL && direction != -1)          // element.direction
3023     text = getHelpText(element, -1, direction);
3024
3025   if (text == NULL)                             // base element
3026     text = getHelpText(element, -1, -1);
3027
3028   if (text == NULL)                             // not found
3029     text = "No description available";
3030
3031   if (strlen(text) <= max_chars_per_line)       // only one line of text
3032     ystart += getFontHeight(font_nr) / 2;
3033
3034   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3035                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3036                  TRUE, FALSE, FALSE);
3037 }
3038
3039 static void DrawInfoScreen_TitleScreen(void)
3040 {
3041   SetGameStatus(GAME_MODE_TITLE);
3042
3043   DrawTitleScreen();
3044 }
3045
3046 void HandleInfoScreen_TitleScreen(int button)
3047 {
3048   HandleTitleScreen(0, 0, 0, 0, button);
3049 }
3050
3051 static void DrawInfoScreen_Elements(void)
3052 {
3053   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3054
3055   FadeOut(REDRAW_FIELD);
3056
3057   LoadHelpAnimInfo();
3058   LoadHelpTextInfo();
3059
3060   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3061
3062   FadeIn(REDRAW_FIELD);
3063 }
3064
3065 void HandleInfoScreen_Elements(int button)
3066 {
3067   static unsigned int info_delay = 0;
3068   static int num_anims;
3069   static int num_pages;
3070   static int page;
3071   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3072   int i;
3073
3074   if (button == MB_MENU_INITIALIZE)
3075   {
3076     boolean new_element = TRUE;
3077
3078     num_anims = 0;
3079
3080     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3081     {
3082       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3083         new_element = TRUE;
3084       else if (new_element)
3085       {
3086         num_anims++;
3087         new_element = FALSE;
3088       }
3089     }
3090
3091     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3092     page = 0;
3093   }
3094
3095   if (button == MB_MENU_LEAVE)
3096   {
3097     PlaySound(SND_MENU_ITEM_SELECTING);
3098
3099     info_mode = INFO_MODE_MAIN;
3100     DrawInfoScreen();
3101
3102     return;
3103   }
3104   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3105   {
3106     if (button != MB_MENU_INITIALIZE)
3107     {
3108       PlaySound(SND_MENU_ITEM_SELECTING);
3109
3110       page++;
3111     }
3112
3113     if (page >= num_pages)
3114     {
3115       FadeMenuSoundsAndMusic();
3116
3117       info_mode = INFO_MODE_MAIN;
3118       DrawInfoScreen();
3119
3120       return;
3121     }
3122
3123     if (page > 0)
3124       FadeSetNextScreen();
3125
3126     if (button != MB_MENU_INITIALIZE)
3127       FadeOut(REDRAW_FIELD);
3128
3129     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3130
3131     if (button != MB_MENU_INITIALIZE)
3132       FadeIn(REDRAW_FIELD);
3133   }
3134   else
3135   {
3136     if (DelayReached(&info_delay, GameFrameDelay))
3137       if (page < num_pages)
3138         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3139
3140     PlayMenuSoundIfLoop();
3141   }
3142 }
3143
3144 static void DrawInfoScreen_Music(void)
3145 {
3146   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3147
3148   FadeOut(REDRAW_FIELD);
3149
3150   ClearField();
3151   DrawHeadline();
3152
3153   LoadMusicInfo();
3154
3155   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3156
3157   FadeIn(REDRAW_FIELD);
3158 }
3159
3160 void HandleInfoScreen_Music(int button)
3161 {
3162   static struct MusicFileInfo *list = NULL;
3163   int font_title = MENU_INFO_FONT_TITLE;
3164   int font_head  = MENU_INFO_FONT_HEAD;
3165   int font_text  = MENU_INFO_FONT_TEXT;
3166   int font_foot  = MENU_INFO_FONT_FOOT;
3167   int spacing_title = menu.headline1_spacing_info[info_mode];
3168   int spacing_head  = menu.headline2_spacing_info[info_mode];
3169   int ystep_title = getMenuTextStep(spacing_title, font_title);
3170   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3171   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3172   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3173
3174   if (button == MB_MENU_INITIALIZE)
3175   {
3176     list = music_file_info;
3177
3178     if (list == NULL)
3179     {
3180       FadeMenuSoundsAndMusic();
3181
3182       ClearField();
3183       DrawHeadline();
3184
3185       DrawTextSCentered(ystart, font_title,
3186                         "No music info for this level set.");
3187
3188       DrawTextSCentered(ybottom, font_foot,
3189                         "Press any key or button for info menu");
3190
3191       return;
3192     }
3193   }
3194
3195   if (button == MB_MENU_LEAVE)
3196   {
3197     PlaySound(SND_MENU_ITEM_SELECTING);
3198
3199     FadeMenuSoundsAndMusic();
3200
3201     info_mode = INFO_MODE_MAIN;
3202     DrawInfoScreen();
3203
3204     return;
3205   }
3206   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3207   {
3208     if (button != MB_MENU_INITIALIZE)
3209     {
3210       PlaySound(SND_MENU_ITEM_SELECTING);
3211
3212       if (list != NULL)
3213         list = list->next;
3214     }
3215
3216     if (list == NULL)
3217     {
3218       FadeMenuSoundsAndMusic();
3219
3220       info_mode = INFO_MODE_MAIN;
3221       DrawInfoScreen();
3222
3223       return;
3224     }
3225
3226     FadeMenuSoundsAndMusic();
3227
3228     if (list != music_file_info)
3229       FadeSetNextScreen();
3230
3231     if (button != MB_MENU_INITIALIZE)
3232       FadeOut(REDRAW_FIELD);
3233
3234     ClearField();
3235     DrawHeadline();
3236
3237     if (list->is_sound)
3238     {
3239       int sound = list->music;
3240
3241       if (sound_info[sound].loop)
3242         PlaySoundLoop(sound);
3243       else
3244         PlaySound(sound);
3245
3246       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3247     }
3248     else
3249     {
3250       int music = list->music;
3251
3252       if (music_info[music].loop)
3253         PlayMusicLoop(music);
3254       else
3255         PlayMusic(music);
3256
3257       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3258     }
3259
3260     ystart += ystep_title;
3261
3262     if (!strEqual(list->title, UNKNOWN_NAME))
3263     {
3264       if (!strEqual(list->title_header, UNKNOWN_NAME))
3265       {
3266         DrawTextSCentered(ystart, font_head, list->title_header);
3267         ystart += ystep_head;
3268       }
3269
3270       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3271       ystart += ystep_head;
3272     }
3273
3274     if (!strEqual(list->artist, UNKNOWN_NAME))
3275     {
3276       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3277         DrawTextSCentered(ystart, font_head, list->artist_header);
3278       else
3279         DrawTextSCentered(ystart, font_head, "by");
3280
3281       ystart += ystep_head;
3282
3283       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3284       ystart += ystep_head;
3285     }
3286
3287     if (!strEqual(list->album, UNKNOWN_NAME))
3288     {
3289       if (!strEqual(list->album_header, UNKNOWN_NAME))
3290         DrawTextSCentered(ystart, font_head, list->album_header);
3291       else
3292         DrawTextSCentered(ystart, font_head, "from the album");
3293
3294       ystart += ystep_head;
3295
3296       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3297       ystart += ystep_head;
3298     }
3299
3300     if (!strEqual(list->year, UNKNOWN_NAME))
3301     {
3302       if (!strEqual(list->year_header, UNKNOWN_NAME))
3303         DrawTextSCentered(ystart, font_head, list->year_header);
3304       else
3305         DrawTextSCentered(ystart, font_head, "from the year");
3306
3307       ystart += ystep_head;
3308
3309       DrawTextFCentered(ystart, font_text, "%s", list->year);
3310       ystart += ystep_head;
3311     }
3312
3313     DrawTextSCentered(ybottom, FONT_TEXT_4,
3314                       "Press any key or button for next page");
3315
3316     if (button != MB_MENU_INITIALIZE)
3317       FadeIn(REDRAW_FIELD);
3318   }
3319
3320   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3321     PlaySoundLoop(list->music);
3322 }
3323
3324 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3325 {
3326   int font_title = MENU_INFO_FONT_TITLE;
3327   int font_head  = MENU_INFO_FONT_HEAD;
3328   int font_text  = MENU_INFO_FONT_TEXT;
3329   int font_foot  = MENU_INFO_FONT_FOOT;
3330   int spacing_title = menu.headline1_spacing_info[info_mode];
3331   int spacing_head  = menu.headline2_spacing_info[info_mode];
3332   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3333   int spacing_line  = menu.line_spacing_info[info_mode];
3334   int ystep_title = getMenuTextStep(spacing_title, font_title);
3335   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3336   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3337   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3338   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3339   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3340
3341   ClearField();
3342   DrawHeadline();
3343
3344   DrawTextSCentered(ystart, font_title, "Credits:");
3345   ystart += ystep_title;
3346
3347   if (screen_nr == 0)
3348   {
3349     DrawTextSCentered(ystart, font_head,
3350                       "Special thanks to");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "Peter Liepa");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "for creating");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "\"Boulder Dash\"");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "in the year");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "1984");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "published by");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "First Star Software");
3372   }
3373   else if (screen_nr == 1)
3374   {
3375     DrawTextSCentered(ystart, font_head,
3376                       "Special thanks to");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "Klaus Heinz & Volker Wertich");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "for creating");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "\"Emerald Mine\"");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "in the year");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "1987");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_head,
3394                       "published by");
3395     ystart += ystep_head;
3396     DrawTextSCentered(ystart, font_text,
3397                       "Kingsoft");
3398   }
3399   else if (screen_nr == 2)
3400   {
3401     DrawTextSCentered(ystart, font_head,
3402                       "Special thanks to");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_text,
3405                       "Michael Stopp & Philip Jespersen");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_head,
3408                       "for creating");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_text,
3411                       "\"Supaplex\"");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_head,
3414                       "in the year");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_text,
3417                       "1991");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_head,
3420                       "published by");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "Digital Integration");
3424   }
3425   else if (screen_nr == 3)
3426   {
3427     DrawTextSCentered(ystart, font_head,
3428                       "Special thanks to");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_text,
3431                       "Hiroyuki Imabayashi");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_head,
3434                       "for creating");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "\"Sokoban\"");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "in the year");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_text,
3443                       "1982");
3444     ystart += ystep_head;
3445     DrawTextSCentered(ystart, font_head,
3446                       "published by");
3447     ystart += ystep_head;
3448     DrawTextSCentered(ystart, font_text,
3449                       "Thinking Rabbit");
3450   }
3451   else if (screen_nr == 4)
3452   {
3453     DrawTextSCentered(ystart, font_head,
3454                       "Special thanks to");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_text,
3457                       "Alan Bond");
3458     ystart += ystep_head;
3459     DrawTextSCentered(ystart, font_head,
3460                       "and");
3461     ystart += ystep_head;
3462     DrawTextSCentered(ystart, font_text,
3463                       "J\xfcrgen Bonhagen");
3464     ystart += ystep_head;
3465     DrawTextSCentered(ystart, font_head,
3466                       "for the continuous creation");
3467     ystart += ystep_line;
3468     DrawTextSCentered(ystart, font_head,
3469                       "of outstanding level sets");
3470   }
3471   else if (screen_nr == 5)
3472   {
3473     DrawTextSCentered(ystart, font_head,
3474                       "Thanks to");
3475     ystart += ystep_head;
3476     DrawTextSCentered(ystart, font_text,
3477                       "Peter Elzner");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_head,
3480                       "for ideas and inspiration by");
3481     ystart += ystep_head;
3482     DrawTextSCentered(ystart, font_text,
3483                       "Diamond Caves");
3484     ystart += ystep_para;
3485
3486     DrawTextSCentered(ystart, font_head,
3487                       "Thanks to");
3488     ystart += ystep_head;
3489     DrawTextSCentered(ystart, font_text,
3490                       "Steffest");
3491     ystart += ystep_head;
3492     DrawTextSCentered(ystart, font_head,
3493                       "for ideas and inspiration by");
3494     ystart += ystep_head;
3495     DrawTextSCentered(ystart, font_text,
3496                       "DX-Boulderdash");
3497   }
3498   else if (screen_nr == 6)
3499   {
3500     DrawTextSCentered(ystart, font_head,
3501                       "Thanks to");
3502     ystart += ystep_head;
3503     DrawTextSCentered(ystart, font_text,
3504                       "David Tritscher");
3505     ystart += ystep_head;
3506     DrawTextSCentered(ystart, font_head,
3507                       "for the code base used for the");
3508     ystart += ystep_line;
3509     DrawTextSCentered(ystart, font_head,
3510                       "native Emerald Mine engine");
3511   }
3512   else if (screen_nr == 7)
3513   {
3514     DrawTextSCentered(ystart, font_head,
3515                       "Thanks to");
3516     ystart += ystep_head;
3517     DrawTextSCentered(ystart, font_text,
3518                       "Guido Schulz");
3519     ystart += ystep_head;
3520     DrawTextSCentered(ystart, font_head,
3521                       "for the initial DOS port");
3522     ystart += ystep_para;
3523
3524     DrawTextSCentered(ystart, font_head,
3525                       "Thanks to");
3526     ystart += ystep_head;
3527     DrawTextSCentered(ystart, font_text,
3528                       "Karl H\xf6rnell");
3529     ystart += ystep_head;
3530     DrawTextSCentered(ystart, font_head,
3531                       "for some additional toons");
3532   }
3533   else if (screen_nr == 8)
3534   {
3535     DrawTextSCentered(ystart, font_head,
3536                       "And not to forget:");
3537     ystart += ystep_head;
3538     DrawTextSCentered(ystart, font_head,
3539                       "Many thanks to");
3540     ystart += ystep_head;
3541     DrawTextSCentered(ystart, font_text,
3542                       "All those who contributed");
3543     ystart += ystep_line;
3544     DrawTextSCentered(ystart, font_text,
3545                       "levels to this game");
3546     ystart += ystep_line;
3547     DrawTextSCentered(ystart, font_text,
3548                       "since 1995");
3549   }
3550
3551   DrawTextSCentered(ybottom, font_foot,
3552                     "Press any key or button for next page");
3553 }
3554
3555 static void DrawInfoScreen_Credits(void)
3556 {
3557   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3558
3559   FadeMenuSoundsAndMusic();
3560
3561   FadeOut(REDRAW_FIELD);
3562
3563   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3564
3565   FadeIn(REDRAW_FIELD);
3566 }
3567
3568 void HandleInfoScreen_Credits(int button)
3569 {
3570   static int screen_nr = 0;
3571   int num_screens = 9;
3572
3573   if (button == MB_MENU_INITIALIZE)
3574   {
3575     screen_nr = 0;
3576
3577     // DrawInfoScreen_CreditsScreen(screen_nr);
3578   }
3579
3580   if (button == MB_MENU_LEAVE)
3581   {
3582     PlaySound(SND_MENU_ITEM_SELECTING);
3583
3584     info_mode = INFO_MODE_MAIN;
3585     DrawInfoScreen();
3586
3587     return;
3588   }
3589   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3590   {
3591     if (button != MB_MENU_INITIALIZE)
3592     {
3593       PlaySound(SND_MENU_ITEM_SELECTING);
3594
3595       screen_nr++;
3596     }
3597
3598     if (screen_nr >= num_screens)
3599     {
3600       FadeMenuSoundsAndMusic();
3601
3602       info_mode = INFO_MODE_MAIN;
3603       DrawInfoScreen();
3604
3605       return;
3606     }
3607
3608     if (screen_nr > 0)
3609       FadeSetNextScreen();
3610
3611     if (button != MB_MENU_INITIALIZE)
3612       FadeOut(REDRAW_FIELD);
3613
3614     DrawInfoScreen_CreditsScreen(screen_nr);
3615
3616     if (button != MB_MENU_INITIALIZE)
3617       FadeIn(REDRAW_FIELD);
3618   }
3619   else
3620   {
3621     PlayMenuSoundIfLoop();
3622   }
3623 }
3624
3625 static void DrawInfoScreen_Program(void)
3626 {
3627   int font_title = MENU_INFO_FONT_TITLE;
3628   int font_head  = MENU_INFO_FONT_HEAD;
3629   int font_text  = MENU_INFO_FONT_TEXT;
3630   int font_foot  = MENU_INFO_FONT_FOOT;
3631   int spacing_title = menu.headline1_spacing_info[info_mode];
3632   int spacing_head  = menu.headline2_spacing_info[info_mode];
3633   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3634   int spacing_line  = menu.line_spacing_info[info_mode];
3635   int ystep_title = getMenuTextStep(spacing_title, font_title);
3636   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3637   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3638   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3639   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3640   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3641
3642   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3643
3644   FadeOut(REDRAW_FIELD);
3645
3646   ClearField();
3647   DrawHeadline();
3648
3649   DrawTextSCentered(ystart, font_title, "Program Information:");
3650   ystart += ystep_title;
3651
3652   DrawTextSCentered(ystart, font_head,
3653                     "This game is Freeware!");
3654   ystart += ystep_head;
3655   DrawTextSCentered(ystart, font_head,
3656                     "If you like it, send e-mail to:");
3657   ystart += ystep_head;
3658   DrawTextSCentered(ystart, font_text,
3659                     setup.internal.program_email);
3660   ystart += ystep_para;
3661
3662   DrawTextSCentered(ystart, font_head,
3663                     "More information and levels:");
3664   ystart += ystep_head;
3665   DrawTextSCentered(ystart, font_text,
3666                     setup.internal.program_website);
3667   ystart += ystep_para;
3668
3669   DrawTextSCentered(ystart, font_head,
3670                     "If you have created new levels,");
3671   ystart += ystep_line;
3672   DrawTextSCentered(ystart, font_head,
3673                     "send them to me to include them!");
3674   ystart += ystep_head;
3675   DrawTextSCentered(ystart, font_head,
3676                     ":-)");
3677
3678   DrawTextSCentered(ybottom, font_foot,
3679                     "Press any key or button for info menu");
3680
3681   FadeIn(REDRAW_FIELD);
3682 }
3683
3684 void HandleInfoScreen_Program(int button)
3685 {
3686   if (button == MB_MENU_LEAVE)
3687   {
3688     PlaySound(SND_MENU_ITEM_SELECTING);
3689
3690     info_mode = INFO_MODE_MAIN;
3691     DrawInfoScreen();
3692
3693     return;
3694   }
3695   else if (button == MB_MENU_CHOICE)
3696   {
3697     PlaySound(SND_MENU_ITEM_SELECTING);
3698
3699     FadeMenuSoundsAndMusic();
3700
3701     info_mode = INFO_MODE_MAIN;
3702     DrawInfoScreen();
3703   }
3704   else
3705   {
3706     PlayMenuSoundIfLoop();
3707   }
3708 }
3709
3710 static void DrawInfoScreen_Version(void)
3711 {
3712   int font_title = MENU_INFO_FONT_TITLE;
3713   int font_head  = MENU_INFO_FONT_HEAD;
3714   int font_text  = MENU_INFO_FONT_TEXT;
3715   int font_foot  = MENU_INFO_FONT_FOOT;
3716   int spacing_title = menu.headline1_spacing_info[info_mode];
3717   int spacing_head  = menu.headline2_spacing_info[info_mode];
3718   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3719   int spacing_line  = menu.line_spacing_info[info_mode];
3720   int xstep = getFontWidth(font_text);
3721   int ystep_title = getMenuTextStep(spacing_title, font_title);
3722   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3723   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3724   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3725   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3726   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3727   int xstart1 = mSX - SX + 2 * xstep;
3728   int xstart2 = mSX - SX + 18 * xstep;
3729   int xstart3 = mSX - SX + 28 * xstep;
3730   SDL_version sdl_version_compiled;
3731   const SDL_version *sdl_version_linked;
3732   int driver_name_len = 10;
3733   SDL_version sdl_version_linked_ext;
3734   const char *driver_name = NULL;
3735
3736   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3737
3738   FadeOut(REDRAW_FIELD);
3739
3740   ClearField();
3741   DrawHeadline();
3742
3743   DrawTextSCentered(ystart, font_title, "Version Information:");
3744   ystart += ystep_title;
3745
3746   DrawTextF(xstart1, ystart, font_head, "Name");
3747   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3748   ystart += ystep_line;
3749
3750   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3751   {
3752     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3753     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3754     ystart += ystep_line;
3755
3756     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3757     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3758     ystart += ystep_line;
3759   }
3760   else
3761   {
3762     DrawTextF(xstart1, ystart, font_head, "Version");
3763     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3764     ystart += ystep_line;
3765   }
3766
3767   DrawTextF(xstart1, ystart, font_head, "Platform");
3768   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3769             PLATFORM_STRING,
3770             PLATFORM_XX_BIT_STRING);
3771   ystart += ystep_line;
3772
3773   DrawTextF(xstart1, ystart, font_head, "Target");
3774   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3775   ystart += ystep_line;
3776
3777   DrawTextF(xstart1, ystart, font_head, "Source date");
3778   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3779   ystart += ystep_line;
3780
3781   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3782   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3783   ystart += ystep_para;
3784
3785   DrawTextF(xstart1, ystart, font_head, "Library");
3786   DrawTextF(xstart2, ystart, font_head, "compiled");
3787   DrawTextF(xstart3, ystart, font_head, "linked");
3788   ystart += ystep_head;
3789
3790   SDL_VERSION(&sdl_version_compiled);
3791   SDL_GetVersion(&sdl_version_linked_ext);
3792   sdl_version_linked = &sdl_version_linked_ext;
3793
3794   DrawTextF(xstart1, ystart, font_text, "SDL");
3795   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3796             sdl_version_compiled.major,
3797             sdl_version_compiled.minor,
3798             sdl_version_compiled.patch);
3799   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3800             sdl_version_linked->major,
3801             sdl_version_linked->minor,
3802             sdl_version_linked->patch);
3803   ystart += ystep_line;
3804
3805   SDL_IMAGE_VERSION(&sdl_version_compiled);
3806   sdl_version_linked = IMG_Linked_Version();
3807
3808   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3809   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3810             sdl_version_compiled.major,
3811             sdl_version_compiled.minor,
3812             sdl_version_compiled.patch);
3813   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3814             sdl_version_linked->major,
3815             sdl_version_linked->minor,
3816             sdl_version_linked->patch);
3817   ystart += ystep_line;
3818
3819   SDL_MIXER_VERSION(&sdl_version_compiled);
3820   sdl_version_linked = Mix_Linked_Version();
3821
3822   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3823   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3824             sdl_version_compiled.major,
3825             sdl_version_compiled.minor,
3826             sdl_version_compiled.patch);
3827   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3828             sdl_version_linked->major,
3829             sdl_version_linked->minor,
3830             sdl_version_linked->patch);
3831   ystart += ystep_line;
3832
3833   SDL_NET_VERSION(&sdl_version_compiled);
3834   sdl_version_linked = SDLNet_Linked_Version();
3835
3836   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3837   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3838             sdl_version_compiled.major,
3839             sdl_version_compiled.minor,
3840             sdl_version_compiled.patch);
3841   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3842             sdl_version_linked->major,
3843             sdl_version_linked->minor,
3844             sdl_version_linked->patch);
3845   ystart += ystep_para;
3846
3847   DrawTextF(xstart1, ystart, font_head, "Driver");
3848   DrawTextF(xstart2, ystart, font_head, "Requested");
3849   DrawTextF(xstart3, ystart, font_head, "Used");
3850   ystart += ystep_head;
3851
3852   driver_name =
3853     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3854
3855   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3856   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3857   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3858   ystart += ystep_line;
3859
3860   driver_name =
3861     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3862
3863   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3864   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3865   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3866   ystart += ystep_line;
3867
3868   driver_name =
3869     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3870
3871   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3872   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3873   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3874
3875   DrawTextSCentered(ybottom, font_foot,
3876                     "Press any key or button for info menu");
3877
3878   FadeIn(REDRAW_FIELD);
3879 }
3880
3881 void HandleInfoScreen_Version(int button)
3882 {
3883   if (button == MB_MENU_LEAVE)
3884   {
3885     PlaySound(SND_MENU_ITEM_SELECTING);
3886
3887     info_mode = INFO_MODE_MAIN;
3888     DrawInfoScreen();
3889
3890     return;
3891   }
3892   else if (button == MB_MENU_CHOICE)
3893   {
3894     PlaySound(SND_MENU_ITEM_SELECTING);
3895
3896     FadeMenuSoundsAndMusic();
3897
3898     info_mode = INFO_MODE_MAIN;
3899     DrawInfoScreen();
3900   }
3901   else
3902   {
3903     PlayMenuSoundIfLoop();
3904   }
3905 }
3906
3907 static void DrawInfoScreen_LevelSet(void)
3908 {
3909   struct TitleMessageInfo *tmi = &readme;
3910   char *filename = getLevelSetInfoFilename();
3911   char *title = "Level Set Information:";
3912   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3913   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3914
3915   if (filename == NULL)
3916   {
3917     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3918
3919     return;
3920   }
3921
3922   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3923
3924   FadeOut(REDRAW_FIELD);
3925
3926   ClearField();
3927   DrawHeadline();
3928
3929   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3930
3931   // if x position set to "-1", automatically determine by playfield width
3932   if (tmi->x == -1)
3933     tmi->x = SXSIZE / 2;
3934
3935   // if y position set to "-1", use static default value
3936   if (tmi->y == -1)
3937     tmi->y = 150;
3938
3939   // if width set to "-1", automatically determine by playfield width
3940   if (tmi->width == -1)
3941     tmi->width = SXSIZE - 2 * TILEX;
3942
3943   // if height set to "-1", automatically determine by playfield height
3944   if (tmi->height == -1)
3945     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3946
3947   // if chars set to "-1", automatically determine by text and font width
3948   if (tmi->chars == -1)
3949     tmi->chars = tmi->width / getFontWidth(tmi->font);
3950   else
3951     tmi->width = tmi->chars * getFontWidth(tmi->font);
3952
3953   // if lines set to "-1", automatically determine by text and font height
3954   if (tmi->lines == -1)
3955     tmi->lines = tmi->height / getFontHeight(tmi->font);
3956   else
3957     tmi->height = tmi->lines * getFontHeight(tmi->font);
3958
3959   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3960                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3961                tmi->autowrap, tmi->centered, tmi->parse_comments);
3962
3963   DrawTextSCentered(ybottom, FONT_TEXT_4,
3964                     "Press any key or button for info menu");
3965
3966   FadeIn(REDRAW_FIELD);
3967 }
3968
3969 static void HandleInfoScreen_LevelSet(int button)
3970 {
3971   if (button == MB_MENU_LEAVE)
3972   {
3973     PlaySound(SND_MENU_ITEM_SELECTING);
3974
3975     info_mode = INFO_MODE_MAIN;
3976     DrawInfoScreen();
3977
3978     return;
3979   }
3980   else if (button == MB_MENU_CHOICE)
3981   {
3982     PlaySound(SND_MENU_ITEM_SELECTING);
3983
3984     FadeMenuSoundsAndMusic();
3985
3986     info_mode = INFO_MODE_MAIN;
3987     DrawInfoScreen();
3988   }
3989   else
3990   {
3991     PlayMenuSoundIfLoop();
3992   }
3993 }
3994
3995 static void DrawInfoScreen(void)
3996 {
3997   if (info_mode == INFO_MODE_TITLE)
3998     DrawInfoScreen_TitleScreen();
3999   else if (info_mode == INFO_MODE_ELEMENTS)
4000     DrawInfoScreen_Elements();
4001   else if (info_mode == INFO_MODE_MUSIC)
4002     DrawInfoScreen_Music();
4003   else if (info_mode == INFO_MODE_CREDITS)
4004     DrawInfoScreen_Credits();
4005   else if (info_mode == INFO_MODE_PROGRAM)
4006     DrawInfoScreen_Program();
4007   else if (info_mode == INFO_MODE_VERSION)
4008     DrawInfoScreen_Version();
4009   else if (info_mode == INFO_MODE_LEVELSET)
4010     DrawInfoScreen_LevelSet();
4011   else
4012     DrawInfoScreen_Main();
4013
4014   if (info_mode != INFO_MODE_MAIN &&
4015       info_mode != INFO_MODE_TITLE &&
4016       info_mode != INFO_MODE_MUSIC)
4017     PlayMenuSoundsAndMusic();
4018 }
4019
4020 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4021 {
4022   if (info_mode == INFO_MODE_TITLE)
4023     HandleInfoScreen_TitleScreen(button);
4024   else if (info_mode == INFO_MODE_ELEMENTS)
4025     HandleInfoScreen_Elements(button);
4026   else if (info_mode == INFO_MODE_MUSIC)
4027     HandleInfoScreen_Music(button);
4028   else if (info_mode == INFO_MODE_CREDITS)
4029     HandleInfoScreen_Credits(button);
4030   else if (info_mode == INFO_MODE_PROGRAM)
4031     HandleInfoScreen_Program(button);
4032   else if (info_mode == INFO_MODE_VERSION)
4033     HandleInfoScreen_Version(button);
4034   else if (info_mode == INFO_MODE_LEVELSET)
4035     HandleInfoScreen_LevelSet(button);
4036   else
4037     HandleInfoScreen_Main(mx, my, dx, dy, button);
4038 }
4039
4040
4041 // ============================================================================
4042 // change name functions
4043 // ============================================================================
4044
4045 struct ApiRenamePlayerThreadData
4046 {
4047   char *player_name;
4048   char *player_uuid;
4049 };
4050
4051 static void *CreateThreadData_ApiRenamePlayer(void)
4052 {
4053   struct ApiRenamePlayerThreadData *data =
4054     checked_malloc(sizeof(struct ApiRenamePlayerThreadData));
4055
4056   data->player_name = getStringCopy(setup.player_name);
4057   data->player_uuid = getStringCopy(setup.player_uuid);
4058
4059   return data;
4060 }
4061
4062 static void FreeThreadData_ApiRenamePlayer(void *data_raw)
4063 {
4064   struct ApiRenamePlayerThreadData *data = data_raw;
4065
4066   checked_free(data->player_name);
4067   checked_free(data->player_uuid);
4068   checked_free(data);
4069 }
4070
4071 static boolean SetRequest_ApiRenamePlayer(struct HttpRequest *request,
4072                                           void *data_raw)
4073 {
4074   struct ApiRenamePlayerThreadData *data = data_raw;
4075   char *player_name_raw = data->player_name;
4076   char *player_uuid_raw = data->player_uuid;
4077
4078   request->hostname = setup.api_server_hostname;
4079   request->port     = API_SERVER_PORT;
4080   request->method   = API_SERVER_METHOD;
4081   request->uri      = API_SERVER_URI_RENAME;
4082
4083   char *player_name = getEscapedJSON(player_name_raw);
4084   char *player_uuid = getEscapedJSON(player_uuid_raw);
4085
4086   snprintf(request->body, MAX_HTTP_BODY_SIZE,
4087            "{\n"
4088            "%s"
4089            "  \"game_version\":         \"%s\",\n"
4090            "  \"game_platform\":        \"%s\",\n"
4091            "  \"name\":                 \"%s\",\n"
4092            "  \"uuid\":                 \"%s\"\n"
4093            "}\n",
4094            getPasswordJSON(setup.api_server_password),
4095            getProgramRealVersionString(),
4096            getProgramPlatformString(),
4097            player_name,
4098            player_uuid);
4099
4100   checked_free(player_name);
4101   checked_free(player_uuid);
4102
4103   ConvertHttpRequestBodyToServerEncoding(request);
4104
4105   return TRUE;
4106 }
4107
4108 static void HandleResponse_ApiRenamePlayer(struct HttpResponse *response,
4109                                            void *data_raw)
4110 {
4111   // nothing to do here
4112 }
4113
4114 static void ApiRenamePlayer_HttpRequestExt(struct HttpRequest *request,
4115                                            struct HttpResponse *response,
4116                                            void *data_raw)
4117 {
4118   if (!SetRequest_ApiRenamePlayer(request, data_raw))
4119     return;
4120
4121   if (!DoHttpRequest(request, response))
4122   {
4123     Error("HTTP request failed: %s", GetHttpError());
4124
4125     return;
4126   }
4127
4128   if (!HTTP_SUCCESS(response->status_code))
4129   {
4130     Error("server failed to handle request: %d %s",
4131           response->status_code,
4132           response->status_text);
4133
4134     return;
4135   }
4136
4137   HandleResponse_ApiRenamePlayer(response, data_raw);
4138 }
4139
4140 static void ApiRenamePlayer_HttpRequest(struct HttpRequest *request,
4141                                     struct HttpResponse *response,
4142                                     void *data_raw)
4143 {
4144   ApiRenamePlayer_HttpRequestExt(request, response, data_raw);
4145
4146   FreeThreadData_ApiRenamePlayer(data_raw);
4147 }
4148
4149 static int ApiRenamePlayerThread(void *data_raw)
4150 {
4151   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
4152   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
4153
4154   ApiRenamePlayer_HttpRequest(request, response, data_raw);
4155
4156   checked_free(request);
4157   checked_free(response);
4158
4159   return 0;
4160 }
4161
4162 static void ApiRenamePlayerAsThread(void)
4163 {
4164   struct ApiRenamePlayerThreadData *data =
4165     CreateThreadData_ApiRenamePlayer();
4166
4167   ExecuteAsThread(ApiRenamePlayerThread,
4168                   "ApiRenamePlayer", data,
4169                   "rename player on server");
4170 }
4171
4172
4173 // ============================================================================
4174 // type name functions
4175 // ============================================================================
4176
4177 static TreeInfo *type_name_node = NULL;
4178 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4179 static int type_name_nr = 0;
4180
4181 static int getPlayerNameColor(char *name)
4182 {
4183   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4184 }
4185
4186 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4187                               boolean active)
4188 {
4189   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4190   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4191   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4192   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4193   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4194   int font_width = getFontWidth(font_nr);
4195
4196   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4197
4198   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4199
4200   pos->width = strlen(text) * font_width;
4201   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4202
4203   DrawText(sx, sy, text, font_nr);
4204 }
4205
4206 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4207 {
4208   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4209
4210   *pos = *mci->pos_input;
4211
4212   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4213   {
4214     TreeInfo *ti = player_name_current;
4215     int first_entry = ti->cl_first;
4216     int entry_pos = first_entry + ti->cl_cursor;
4217     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4218     int xpos = MENU_SCREEN_START_XPOS;
4219     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4220
4221     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4222     type_name_nr = entry_pos;
4223
4224     strcpy(name, type_name_node->name);
4225
4226     pos->x = xpos * 32;
4227     pos->y = ypos * 32;
4228     pos->width = MAX_PLAYER_NAME_LEN * 32;
4229   }
4230   else
4231   {
4232     type_name_nr = user.nr;
4233
4234     strcpy(name, setup.player_name);
4235   }
4236
4237   strcpy(type_name_last, name);
4238
4239   if (strEqual(name, EMPTY_PLAYER_NAME))
4240     strcpy(name, "");
4241
4242   *xpos = strlen(name);
4243 }
4244
4245 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4246 {
4247   // change name of edited user in global list of user names
4248   setString(&global.user_names[type_name_nr], name);
4249
4250   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4251   {
4252     TreeInfo *node = type_name_node;
4253
4254     // change name of edited user in local menu tree structure
4255     setString(&node->name, name);
4256     setString(&node->name_sorting, name);
4257
4258     node->color = getPlayerNameColor(name);
4259     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4260   }
4261 }
4262
4263 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4264                               boolean changed)
4265 {
4266   boolean reset_setup = strEqual(name, "");
4267   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4268   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4269
4270   if (!changed)
4271     strcpy(name, type_name_last);
4272
4273   if (strEqual(name, ""))
4274     strcpy(name, EMPTY_PLAYER_NAME);
4275
4276   setTypeNameValues_Name(name, pos);
4277
4278   // if player name not changed, no further action required
4279   if (strEqual(name, type_name_last))
4280     return;
4281
4282   // redraw player name before (possibly) opening request dialogs
4283   drawTypeNameText(name, pos, FALSE);
4284
4285   int last_user_nr = user.nr;
4286
4287   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4288   {
4289     // save setup of currently active user (may differ from edited user)
4290     SaveSetup();
4291
4292     // temporarily change active user to edited user
4293     user.nr = type_name_nr;
4294
4295     // load setup of edited user (unless creating user with current setup)
4296     if (!create_user ||
4297         !Request("Use current setup values for the new player?", REQ_ASK))
4298       LoadSetup();
4299   }
4300
4301   char *setup_filename = getSetupFilename();
4302   boolean setup_exists = fileExists(setup_filename);
4303
4304   // change name of edited user in setup structure
4305   strcpy(setup.player_name, name);
4306
4307   // save setup of edited user
4308   SaveSetup();
4309
4310   // change name of edited user on score server
4311   ApiRenamePlayerAsThread();
4312
4313   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4314   {
4315     if (reset_setup)
4316     {
4317       if (Request("Reset setup values for this player?", REQ_ASK))
4318       {
4319         // remove setup config file
4320         unlink(setup_filename);
4321
4322         // set player name to default player name
4323         LoadSetup();
4324
4325         // update player name used by name typing functions
4326         strcpy(name, setup.player_name);
4327
4328         setTypeNameValues_Name(name, pos);
4329       }
4330     }
4331     else if (remove_user && type_name_nr != 0)
4332     {
4333       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4334       {
4335         char *user_dir = getUserGameDataDir();
4336         char *user_dir_removed =
4337           getStringCat3WithSeparator(user_dir, "REMOVED",
4338                                      getCurrentTimestamp(), ".");
4339
4340         if (rename(user_dir, user_dir_removed) != 0)
4341           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4342
4343         checked_free(user_dir_removed);
4344       }
4345     }
4346     else if (create_user && type_name_nr != 0 && !setup_exists)
4347     {
4348       if (Request("Create empty level set for the new player?", REQ_ASK))
4349       {
4350         char *levelset_subdir = getNewUserLevelSubdir();
4351
4352         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4353         {
4354           AddUserLevelSetToLevelInfo(levelset_subdir);
4355
4356           LevelDirTree *leveldir_current_last = leveldir_current;
4357
4358           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4359                                                        levelset_subdir);
4360
4361           // set level number of newly created level set to default value
4362           LoadLevelSetup_SeriesInfo();
4363
4364           // set newly created level set as current level set for new user
4365           SaveLevelSetup_LastSeries();
4366           SaveLevelSetup_SeriesInfo();
4367
4368           leveldir_current = leveldir_current_last;
4369         }
4370         else
4371         {
4372           Request("Creating new level set failed!", REQ_CONFIRM);
4373         }
4374       }
4375     }
4376
4377     // restore currently active user
4378     user.nr = last_user_nr;
4379
4380     // restore setup of currently active user
4381     LoadSetup();
4382
4383     // restore last level set of currently active user
4384     LoadLevelSetup_LastSeries();
4385     LoadLevelSetup_SeriesInfo();
4386   }
4387 }
4388
4389 static void HandleTypeNameExt(boolean initialize, Key key)
4390 {
4391   static struct TextPosInfo pos_name = { 0 };
4392   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4393   static int xpos = 0;
4394   struct TextPosInfo *pos = &pos_name;
4395   char key_char = getValidConfigValueChar(getCharFromKey(key));
4396   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4397   boolean active = TRUE;
4398
4399   if (initialize)
4400   {
4401     getTypeNameValues(name, pos, &xpos);
4402
4403     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4404     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4405
4406     StartTextInput(sx, sy, pos->width, pos->height);
4407   }
4408   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4409   {
4410     name[xpos] = key_char;
4411     name[xpos + 1] = 0;
4412
4413     xpos++;
4414   }
4415   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4416   {
4417     xpos--;
4418
4419     name[xpos] = 0;
4420   }
4421   else if (key == KSYM_Return || key == KSYM_Escape)
4422   {
4423     boolean changed = (key == KSYM_Return);
4424
4425     StopTextInput();
4426
4427     setTypeNameValues(name, pos, changed);
4428
4429     active = FALSE;
4430   }
4431
4432   drawTypeNameText(name, pos, active);
4433
4434   if (!active)
4435   {
4436     SetGameStatus(game_status_last_screen);
4437
4438     if (game_status == GAME_MODE_MAIN)
4439       InitializeMainControls();
4440   }
4441 }
4442
4443 static void DrawTypeName(void)
4444 {
4445   HandleTypeNameExt(TRUE, 0);
4446 }
4447
4448 void HandleTypeName(Key key)
4449 {
4450   HandleTypeNameExt(FALSE, key);
4451 }
4452
4453
4454 // ============================================================================
4455 // tree menu functions
4456 // ============================================================================
4457
4458 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4459 {
4460   if (game_status != GAME_MODE_SETUP ||
4461       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4462     return 0;
4463
4464   int max_text_size = 0;
4465   TreeInfo *node;
4466
4467   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4468     max_text_size = MAX(max_text_size, strlen(node->name));
4469
4470   int num_entries = numTreeInfoInGroup(ti);
4471   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4472   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4473   int text_width = max_text_size * getFontWidth(font_nr);
4474   int button_width = SC_MENUBUTTON_XSIZE;
4475   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4476   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4477   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4478   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4479   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4480   int align_xoffset = MAX(0, align_xoffset_raw);
4481
4482   return align_xoffset;
4483 }
4484
4485 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4486 {
4487   if (game_status != GAME_MODE_SETUP ||
4488       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4489     return 0;
4490
4491   int num_entries = numTreeInfoInGroup(ti);
4492   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4493   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4494   int font_height = getFontHeight(font_nr);
4495   int text_height = font_height * num_page_entries;
4496   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4497   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4498   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4499   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4500   int align_yoffset = MAX(0, align_yoffset_raw);
4501
4502   return align_yoffset;
4503 }
4504
4505 static void DrawChooseTree(TreeInfo **ti_ptr)
4506 {
4507   int fade_mask = REDRAW_FIELD;
4508
4509   if (CheckFadeAll())
4510     fade_mask = REDRAW_ALL;
4511
4512   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4513   {
4514     if (game_status == GAME_MODE_SETUP)
4515     {
4516       execSetupArtwork();
4517     }
4518     else        // GAME_MODE_LEVELS
4519     {
4520       SetGameStatus(GAME_MODE_MAIN);
4521
4522       DrawMainMenu();
4523     }
4524
4525     return;
4526   }
4527
4528   UnmapAllGadgets();
4529
4530   FreeScreenGadgets();
4531   CreateScreenGadgets();
4532
4533   FadeOut(fade_mask);
4534
4535   // needed if different viewport properties defined for choosing level (set)
4536   ChangeViewportPropertiesIfNeeded();
4537
4538   if (game_status == GAME_MODE_NAMES)
4539     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4540   else if (game_status == GAME_MODE_LEVELNR)
4541     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4542   else if (game_status == GAME_MODE_LEVELS)
4543     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4544
4545   ClearField();
4546
4547   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4548
4549   MapScreenTreeGadgets(*ti_ptr);
4550   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4551
4552   DrawMaskedBorder(fade_mask);
4553
4554   FadeIn(fade_mask);
4555 }
4556
4557 static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
4558 {
4559   int num_entries = numTreeInfoInGroup(ti);
4560   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4561   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4562   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4563   int first_entry = ti->cl_first;
4564   int entry_pos = first_entry + y;
4565   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4566   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4567   int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
4568   int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
4569   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4570   int xpos = MENU_SCREEN_START_XPOS;
4571   int ypos = MENU_SCREEN_START_YPOS + y;
4572   int startx = amSX + xpos * 32;
4573   int starty = amSY + ypos * 32;
4574   int startx_text = startx + font_xoffset;
4575   int endx_text = amSX + screen_width;
4576   int max_text_size = endx_text - startx_text;
4577   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4578   char buffer[max_buffer_len + 1];
4579
4580   strncpy(buffer, node->name, max_buffer_len);
4581   buffer[max_buffer_len] = '\0';
4582
4583   DrawText(startx, starty, buffer, font_nr);
4584 }
4585
4586 static void drawChooseTreeList(int first_entry, int num_page_entries,
4587                                TreeInfo *ti)
4588 {
4589   int i;
4590   char *title_string = NULL;
4591   int yoffset_sets = MENU_TITLE1_YPOS;
4592   int yoffset_setup = 16;
4593   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4594                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4595
4596   title_string = ti->infotext;
4597
4598   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4599
4600   clearMenuListArea();
4601
4602   for (i = 0; i < num_page_entries; i++)
4603   {
4604     TreeInfo *node, *node_first;
4605     int entry_pos = first_entry + i;
4606
4607     node_first = getTreeInfoFirstGroupEntry(ti);
4608     node = getTreeInfoFromPos(node_first, entry_pos);
4609
4610     drawChooseTreeText(i, FALSE, ti);
4611
4612     if (node->parent_link)
4613       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4614     else if (node->level_group)
4615       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4616     else
4617       initCursor(i, IMG_MENU_BUTTON);
4618
4619     if (game_status == GAME_MODE_NAMES)
4620       drawChooseTreeEdit(i, FALSE);
4621   }
4622
4623   redraw_mask |= REDRAW_FIELD;
4624 }
4625
4626 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4627 {
4628   TreeInfo *node, *node_first;
4629   int x, last_redraw_mask = redraw_mask;
4630   int ypos = MENU_TITLE2_YPOS;
4631   int font_nr = FONT_TITLE_2;
4632
4633   if (ti->type == TREE_TYPE_LEVEL_NR)
4634     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4635
4636   if (ti->type != TREE_TYPE_LEVEL_DIR)
4637     return;
4638
4639   node_first = getTreeInfoFirstGroupEntry(ti);
4640   node = getTreeInfoFromPos(node_first, entry_pos);
4641
4642   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4643
4644   if (node->parent_link)
4645     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4646                       node->node_parent->name);
4647   else if (node->level_group)
4648     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4649                       node->name);
4650   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4651     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4652                       node->levels, (node->levels > 1 ? "levels" : "level"),
4653                       node->class_desc);
4654
4655   // let BackToFront() redraw only what is needed
4656   redraw_mask = last_redraw_mask;
4657   for (x = 0; x < SCR_FIELDX; x++)
4658     MarkTileDirty(x, 1);
4659 }
4660
4661 static void drawChooseTreeCursorAndText(int y, boolean active, TreeInfo *ti)
4662 {
4663   drawChooseTreeCursor(y, active);
4664   drawChooseTreeText(y, active, ti);
4665 }
4666
4667 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4668                              TreeInfo **ti_ptr)
4669 {
4670   TreeInfo *ti = *ti_ptr;
4671   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4672   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4673   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4674   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4675   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4676   int x = 0;
4677   int y = ti->cl_cursor;
4678   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4679   int num_entries = numTreeInfoInGroup(ti);
4680   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4681   boolean position_set_by_scrollbar = (dx == 999);
4682
4683   if (button == MB_MENU_INITIALIZE)
4684   {
4685     int num_entries = numTreeInfoInGroup(ti);
4686     int entry_pos = getPosFromTreeInfo(ti);
4687
4688     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4689     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4690
4691     if (ti->cl_first == -1)
4692     {
4693       // only on initialization
4694       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4695       ti->cl_cursor = entry_pos - ti->cl_first;
4696     }
4697     else if (ti->cl_cursor >= num_page_entries ||
4698              (num_entries > num_page_entries &&
4699               num_entries - ti->cl_first < num_page_entries))
4700     {
4701       // only after change of list size (by custom graphic configuration)
4702       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4703       ti->cl_cursor = entry_pos - ti->cl_first;
4704     }
4705
4706     if (position_set_by_scrollbar)
4707       ti->cl_first = dy;
4708     else
4709       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4710                                 ti->cl_first, ti);
4711
4712     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4713     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4714     drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4715
4716     return;
4717   }
4718   else if (button == MB_MENU_LEAVE)
4719   {
4720     FadeSetLeaveMenu();
4721
4722     PlaySound(SND_MENU_ITEM_SELECTING);
4723
4724     if (ti->node_parent)
4725     {
4726       *ti_ptr = ti->node_parent;
4727       DrawChooseTree(ti_ptr);
4728     }
4729     else if (game_status == GAME_MODE_SETUP)
4730     {
4731       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4732           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4733           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4734         execSetupGame();
4735       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4736                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4737                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4738                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4739         execSetupGraphics();
4740       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4741                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4742                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4743         execSetupSound();
4744       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4745                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4746                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4747                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4748                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4749                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4750                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4751                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4752         execSetupTouch();
4753       else
4754         execSetupArtwork();
4755     }
4756     else
4757     {
4758       if (game_status == GAME_MODE_LEVELNR)
4759       {
4760         int new_level_nr = atoi(level_number_current->identifier);
4761
4762         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4763       }
4764
4765       SetGameStatus(GAME_MODE_MAIN);
4766
4767       DrawMainMenu();
4768     }
4769
4770     return;
4771   }
4772
4773   if (mx || my)         // mouse input
4774   {
4775     x = (mx - amSX) / 32;
4776     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4777
4778     if (game_status == GAME_MODE_NAMES)
4779       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4780   }
4781   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4782   {
4783     // move cursor instead of scrolling when already at start/end of list
4784     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4785       dy = -1;
4786     else if (dy == +1 * SCROLL_LINE &&
4787              ti->cl_first + num_page_entries == num_entries)
4788       dy = 1;
4789
4790     // handle scrolling screen one line or page
4791     if (ti->cl_cursor + dy < 0 ||
4792         ti->cl_cursor + dy > num_page_entries - 1)
4793     {
4794       boolean redraw = FALSE;
4795
4796       if (ABS(dy) == SCROLL_PAGE)
4797         step = num_page_entries - 1;
4798
4799       if (dy < 0 && ti->cl_first > 0)
4800       {
4801         // scroll page/line up
4802
4803         ti->cl_first -= step;
4804         if (ti->cl_first < 0)
4805           ti->cl_first = 0;
4806
4807         redraw = TRUE;
4808       }
4809       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4810       {
4811         // scroll page/line down
4812
4813         ti->cl_first += step;
4814         if (ti->cl_first + num_page_entries > num_entries)
4815           ti->cl_first = MAX(0, num_entries - num_page_entries);
4816
4817         redraw = TRUE;
4818       }
4819
4820       if (redraw)
4821       {
4822         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4823         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4824         drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4825
4826         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4827                                   ti->cl_first, ti);
4828       }
4829
4830       return;
4831     }
4832
4833     // handle moving cursor one line
4834     y = ti->cl_cursor + dy;
4835   }
4836
4837   if (dx == 1)
4838   {
4839     TreeInfo *node_first, *node_cursor;
4840     int entry_pos = ti->cl_first + y;
4841
4842     node_first = getTreeInfoFirstGroupEntry(ti);
4843     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4844
4845     if (node_cursor->node_group)
4846     {
4847       FadeSetEnterMenu();
4848
4849       PlaySound(SND_MENU_ITEM_SELECTING);
4850
4851       node_cursor->cl_first = ti->cl_first;
4852       node_cursor->cl_cursor = ti->cl_cursor;
4853       *ti_ptr = node_cursor->node_group;
4854       DrawChooseTree(ti_ptr);
4855
4856       return;
4857     }
4858   }
4859   else if (dx == -1 && ti->node_parent)
4860   {
4861     FadeSetLeaveMenu();
4862
4863     PlaySound(SND_MENU_ITEM_SELECTING);
4864
4865     *ti_ptr = ti->node_parent;
4866     DrawChooseTree(ti_ptr);
4867
4868     return;
4869   }
4870
4871   if (!anyScrollbarGadgetActive() &&
4872       IN_VIS_MENU(x, y) &&
4873       mx < mx_right_border &&
4874       y >= 0 && y < num_page_entries)
4875   {
4876     if (button)
4877     {
4878       if (game_status == GAME_MODE_NAMES)
4879       {
4880         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4881           drawChooseTreeEdit(y, TRUE);
4882       }
4883
4884       if (y != ti->cl_cursor)
4885       {
4886         PlaySound(SND_MENU_ITEM_ACTIVATING);
4887
4888         drawChooseTreeCursorAndText(ti->cl_cursor, FALSE, ti);
4889         drawChooseTreeCursorAndText(y, TRUE, ti);
4890         drawChooseTreeInfo(ti->cl_first + y, ti);
4891
4892         ti->cl_cursor = y;
4893       }
4894       else if (dx < 0)
4895       {
4896         if (game_status == GAME_MODE_SETUP)
4897         {
4898           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4899               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4900               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4901             execSetupGame();
4902           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4903                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4904                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4905                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4906             execSetupGraphics();
4907           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4908                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4909                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4910             execSetupSound();
4911           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4912                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4913                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4914                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4915                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4916                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4917                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4918                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4919             execSetupTouch();
4920           else
4921             execSetupArtwork();
4922         }
4923       }
4924     }
4925     else
4926     {
4927       TreeInfo *node_first, *node_cursor;
4928       int entry_pos = ti->cl_first + y;
4929
4930       PlaySound(SND_MENU_ITEM_SELECTING);
4931
4932       node_first = getTreeInfoFirstGroupEntry(ti);
4933       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4934
4935       if (node_cursor->node_group)
4936       {
4937         FadeSetEnterMenu();
4938
4939         node_cursor->cl_first = ti->cl_first;
4940         node_cursor->cl_cursor = ti->cl_cursor;
4941         *ti_ptr = node_cursor->node_group;
4942         DrawChooseTree(ti_ptr);
4943       }
4944       else if (node_cursor->parent_link)
4945       {
4946         FadeSetLeaveMenu();
4947
4948         *ti_ptr = node_cursor->node_parent;
4949         DrawChooseTree(ti_ptr);
4950       }
4951       else
4952       {
4953         FadeSetEnterMenu();
4954
4955         node_cursor->cl_first = ti->cl_first;
4956         node_cursor->cl_cursor = ti->cl_cursor;
4957         *ti_ptr = node_cursor;
4958
4959         if (ti->type == TREE_TYPE_LEVEL_DIR)
4960         {
4961           LoadLevelSetup_SeriesInfo();
4962
4963           SaveLevelSetup_LastSeries();
4964           SaveLevelSetup_SeriesInfo();
4965           TapeErase();
4966         }
4967
4968         if (game_status == GAME_MODE_SETUP)
4969         {
4970           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4971               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4972               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4973             execSetupGame();
4974           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4975                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4976                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4977                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4978             execSetupGraphics();
4979           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4980                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4981                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4982             execSetupSound();
4983           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4984                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4985                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4986                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4987                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4988                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4989                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4990                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4991             execSetupTouch();
4992           else
4993             execSetupArtwork();
4994         }
4995         else
4996         {
4997           if (game_status == GAME_MODE_LEVELNR)
4998           {
4999             int new_level_nr = atoi(level_number_current->identifier);
5000
5001             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5002           }
5003           else if (game_status == GAME_MODE_LEVELS)
5004           {
5005             // store level set if chosen from "last played level set" menu
5006             StoreLastPlayedLevels(leveldir_current);
5007           }
5008           else if (game_status == GAME_MODE_NAMES)
5009           {
5010             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5011             {
5012               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5013
5014               DrawTypeName();
5015
5016               return;
5017             }
5018
5019             // change active user to selected user
5020             user.nr = entry_pos;
5021
5022             // save number of new active user
5023             SaveUserSetup();
5024
5025             // load setup of new active user
5026             LoadSetup();
5027
5028             // load last level set of new active user
5029             LoadLevelSetup_LastSeries();
5030             LoadLevelSetup_SeriesInfo();
5031
5032             // update list of last played level sets
5033             UpdateLastPlayedLevels_TreeInfo();
5034
5035             TapeErase();
5036
5037             ToggleFullscreenIfNeeded();
5038             ChangeWindowScalingIfNeeded();
5039
5040             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5041             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5042             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5043           }
5044
5045           SetGameStatus(GAME_MODE_MAIN);
5046
5047           DrawMainMenu();
5048         }
5049       }
5050     }
5051   }
5052 }
5053
5054 void DrawChoosePlayerName(void)
5055 {
5056   int i;
5057
5058   FadeMenuSoundsAndMusic();
5059
5060   if (player_name != NULL)
5061   {
5062     freeTreeInfo(player_name);
5063
5064     player_name = NULL;
5065   }
5066
5067   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5068   {
5069     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5070     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5071     int value = i;
5072
5073     ti->node_top = &player_name;
5074     ti->sort_priority = 10000 + value;
5075     ti->color = getPlayerNameColor(global.user_names[i]);
5076
5077     snprintf(identifier, sizeof(identifier), "%d", value);
5078     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5079
5080     setString(&ti->identifier, identifier);
5081     setString(&ti->name, name);
5082     setString(&ti->name_sorting, name);
5083
5084     pushTreeInfo(&player_name, ti);
5085   }
5086
5087   // sort player entries by player number
5088   sortTreeInfo(&player_name);
5089
5090   // set current player entry to selected player entry
5091   player_name_current =
5092     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5093
5094   // if that fails, set current player name to first available name
5095   if (player_name_current == NULL)
5096     player_name_current = player_name;
5097
5098   DrawChooseTree(&player_name_current);
5099
5100   PlayMenuSoundsAndMusic();
5101 }
5102
5103 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5104 {
5105   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5106 }
5107
5108 void DrawChooseLevelSet(void)
5109 {
5110   FadeMenuSoundsAndMusic();
5111
5112   DrawChooseTree(&leveldir_current);
5113
5114   PlayMenuSoundsAndMusic();
5115 }
5116
5117 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5118 {
5119   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5120 }
5121
5122 void DrawChooseLevelNr(void)
5123 {
5124   int i;
5125
5126   FadeMenuSoundsAndMusic();
5127
5128   if (level_number != NULL)
5129   {
5130     freeTreeInfo(level_number);
5131
5132     level_number = NULL;
5133   }
5134
5135   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5136   {
5137     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5138     char identifier[32], name[64];
5139     int value = i;
5140
5141     // temporarily load level info to get level name
5142     LoadLevelInfoOnly(i);
5143
5144     ti->node_top = &level_number;
5145     ti->sort_priority = 10000 + value;
5146     ti->color = (level.no_level_file ? FC_BLUE :
5147                  LevelStats_getSolved(i) ? FC_GREEN :
5148                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5149
5150     snprintf(identifier, sizeof(identifier), "%d", value);
5151     snprintf(name, sizeof(name), "%03d: %s", value,
5152              (level.no_level_file ? "(no file)" : level.name));
5153
5154     setString(&ti->identifier, identifier);
5155     setString(&ti->name, name);
5156     setString(&ti->name_sorting, name);
5157
5158     pushTreeInfo(&level_number, ti);
5159   }
5160
5161   // sort level number values to start with lowest level number
5162   sortTreeInfo(&level_number);
5163
5164   // set current level number to current level number
5165   level_number_current =
5166     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5167
5168   // if that also fails, set current level number to first available level
5169   if (level_number_current == NULL)
5170     level_number_current = level_number;
5171
5172   DrawChooseTree(&level_number_current);
5173
5174   PlayMenuSoundsAndMusic();
5175 }
5176
5177 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5178 {
5179   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5180 }
5181
5182 void DrawHallOfFame(int level_nr)
5183 {
5184   int fade_mask = REDRAW_FIELD;
5185
5186   if (CheckFadeAll())
5187     fade_mask = REDRAW_ALL;
5188
5189   UnmapAllGadgets();
5190   FadeMenuSoundsAndMusic();
5191
5192   // (this is needed when called from GameEnd() after winning a game)
5193   KeyboardAutoRepeatOn();
5194
5195   // (this is needed when called from GameEnd() after winning a game)
5196   SetDrawDeactivationMask(REDRAW_NONE);
5197   SetDrawBackgroundMask(REDRAW_FIELD);
5198
5199   LoadLocalAndServerScore(level_nr, TRUE);
5200
5201   if (scores.last_added >= 0)
5202     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5203
5204   FadeSetEnterScreen();
5205
5206   FadeOut(fade_mask);
5207
5208   // needed if different viewport properties defined for scores
5209   ChangeViewportPropertiesIfNeeded();
5210
5211   PlayMenuSoundsAndMusic();
5212
5213   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5214
5215   HandleHallOfFame(level_nr, 0, 0, 0, MB_MENU_INITIALIZE);
5216
5217   DrawMaskedBorder(fade_mask);
5218
5219   FadeIn(fade_mask);
5220 }
5221
5222 static int getHallOfFameFirstEntry(int first_entry, int step)
5223 {
5224   if (step == 0)
5225     first_entry = scores.last_added - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5226   else
5227     first_entry += step;
5228
5229   if (first_entry < 0)
5230     first_entry = 0;
5231   else if (first_entry > MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN)
5232     first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5233
5234   return first_entry;
5235 }
5236
5237 static char *getHallOfFameScoreText(int nr)
5238 {
5239   if (!level.rate_time_over_score)
5240     return int2str(scores.entry[nr].score, 5);  // show normal score
5241
5242   if (level.use_step_counter)
5243     return int2str(scores.entry[nr].time, 5);   // show number of steps
5244
5245   static char score_text[10];
5246   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5247   int mm = (time_seconds / 60) % 60;
5248   int ss = (time_seconds % 60);
5249
5250   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5251
5252   return score_text;
5253 }
5254
5255 static void drawHallOfFameList(int level_nr, int first_entry)
5256 {
5257   int i, j;
5258
5259   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5260   ClearField();
5261
5262   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5263   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5264                     "HighScores of Level %d", level_nr);
5265
5266   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5267   {
5268     int entry = first_entry + i;
5269     boolean active = (entry == scores.last_added);
5270     boolean forced = (scores.force_last_added && active);
5271     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5272     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5273     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5274     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5275     int dxoff = getFontDrawOffsetX(font_nr1);
5276     int dx1 = 3 * getFontWidth(font_nr1);
5277     int dx2 = dx1 + getFontWidth(font_nr1);
5278     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5279     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5280     int sy = mSY + 64 + i * 32;
5281     char *pos_text = (forced ? "???" : int2str(entry + 1, 3));
5282
5283     DrawText(mSX, sy, pos_text, font_nr1);
5284     DrawText(mSX + dx1, sy, ".", font_nr1);
5285
5286     for (j = 0; j < num_dots; j++)
5287       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5288
5289     if (!strEqual(scores.entry[entry].name, EMPTY_PLAYER_NAME))
5290       DrawText(mSX + dx2, sy, scores.entry[entry].name, font_nr2);
5291
5292     DrawText(mSX + dx3, sy, getHallOfFameScoreText(entry), font_nr4);
5293   }
5294
5295   redraw_mask |= REDRAW_FIELD;
5296 }
5297
5298 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5299 {
5300   static int level_nr = 0;
5301   static int first_entry = 0;
5302   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5303
5304   if (button == MB_MENU_INITIALIZE)
5305   {
5306     level_nr = mx;
5307
5308     if (server_scores.updated)
5309     {
5310       // reload scores, using updated server score cache file
5311       LoadLocalAndServerScore(level_nr, FALSE);
5312
5313       server_scores.updated = FALSE;
5314     }
5315
5316     first_entry = getHallOfFameFirstEntry(0, 0);
5317
5318     drawHallOfFameList(level_nr, first_entry);
5319
5320     return;
5321   }
5322
5323   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5324     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5325
5326   if (dy < 0)
5327   {
5328     first_entry = getHallOfFameFirstEntry(first_entry, -step);
5329
5330     drawHallOfFameList(level_nr, first_entry);
5331   }
5332   else if (dy > 0)
5333   {
5334     first_entry = getHallOfFameFirstEntry(first_entry, step);
5335
5336     drawHallOfFameList(level_nr, first_entry);
5337   }
5338   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5339   {
5340     PlaySound(SND_MENU_ITEM_SELECTING);
5341
5342     FadeSound(SND_BACKGROUND_SCORES);
5343
5344     if (button == MB_MENU_CHOICE &&
5345         game_status_last_screen == GAME_MODE_PLAYING &&
5346         setup.auto_play_next_level && setup.increment_levels &&
5347         level_nr < leveldir_current->last_level &&
5348         !network_playing)
5349     {
5350       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5351     }
5352     else
5353     {
5354       SetGameStatus(GAME_MODE_MAIN);
5355
5356       DrawMainMenu();
5357     }
5358   }
5359   else if (server_scores.updated)
5360   {
5361     // reload scores, using updated server score cache file
5362     LoadLocalAndServerScore(level_nr, FALSE);
5363
5364     server_scores.updated = FALSE;
5365
5366     first_entry = getHallOfFameFirstEntry(0, 0);
5367
5368     drawHallOfFameList(level_nr, first_entry);
5369   }
5370
5371   if (game_status == GAME_MODE_SCORES)
5372     PlayMenuSoundIfLoop();
5373 }
5374
5375
5376 // ============================================================================
5377 // setup screen functions
5378 // ============================================================================
5379
5380 static struct TokenInfo *setup_info;
5381 static int num_setup_info;      // number of setup entries shown on screen
5382 static int max_setup_info;      // total number of setup entries in list
5383
5384 static char *window_size_text;
5385 static char *scaling_type_text;
5386 static char *rendering_mode_text;
5387 static char *vsync_mode_text;
5388 static char *scroll_delay_text;
5389 static char *snapshot_mode_text;
5390 static char *game_speed_text;
5391 static char *network_server_text;
5392 static char *graphics_set_name;
5393 static char *sounds_set_name;
5394 static char *music_set_name;
5395 static char *volume_simple_text;
5396 static char *volume_loops_text;
5397 static char *volume_music_text;
5398 static char *touch_controls_text;
5399 static char *move_distance_text;
5400 static char *drop_distance_text;
5401 static char *transparency_text;
5402 static char *grid_size_text[2][2];
5403
5404 static void execSetupMain(void)
5405 {
5406   setup_mode = SETUP_MODE_MAIN;
5407
5408   DrawSetupScreen();
5409 }
5410
5411 static void execSetupGame_setGameSpeeds(boolean update_value)
5412 {
5413   if (setup.game_speed_extended)
5414   {
5415     game_speeds_list = game_speeds_list_extended;
5416     game_speeds      = game_speeds_extended;
5417   }
5418   else
5419   {
5420     game_speeds_list = game_speeds_list_normal;
5421     game_speeds      = game_speeds_normal;
5422   }
5423
5424   if (game_speeds == NULL)
5425   {
5426     int i;
5427
5428     for (i = 0; game_speeds_list[i].value != -1; i++)
5429     {
5430       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5431       char identifier[32], name[32];
5432       int value = game_speeds_list[i].value;
5433       char *text = game_speeds_list[i].text;
5434
5435       ti->node_top = &game_speeds;
5436       ti->sort_priority = 10000 - value;
5437
5438       sprintf(identifier, "%d", value);
5439       sprintf(name, "%s", text);
5440
5441       setString(&ti->identifier, identifier);
5442       setString(&ti->name, name);
5443       setString(&ti->name_sorting, name);
5444       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5445
5446       pushTreeInfo(&game_speeds, ti);
5447     }
5448
5449     // sort game speed values to start with slowest game speed
5450     sortTreeInfo(&game_speeds);
5451
5452     update_value = TRUE;
5453   }
5454
5455   if (update_value)
5456   {
5457     // set current game speed to configured game speed value
5458     game_speed_current =
5459       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5460
5461     // if that fails, set current game speed to reliable default value
5462     if (game_speed_current == NULL)
5463       game_speed_current =
5464         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5465
5466     // if that also fails, set current game speed to first available speed
5467     if (game_speed_current == NULL)
5468       game_speed_current = game_speeds;
5469
5470     if (setup.game_speed_extended)
5471       game_speeds_extended = game_speeds;
5472     else
5473       game_speeds_normal = game_speeds;
5474   }
5475
5476   setup.game_frame_delay = atoi(game_speed_current->identifier);
5477
5478   // needed for displaying game speed text instead of identifier
5479   game_speed_text = game_speed_current->name;
5480 }
5481
5482 static void execSetupGame_setScrollDelays(void)
5483 {
5484   if (scroll_delays == NULL)
5485   {
5486     int i;
5487
5488     for (i = 0; scroll_delays_list[i].value != -1; i++)
5489     {
5490       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5491       char identifier[32], name[32];
5492       int value = scroll_delays_list[i].value;
5493       char *text = scroll_delays_list[i].text;
5494
5495       ti->node_top = &scroll_delays;
5496       ti->sort_priority = value;
5497
5498       sprintf(identifier, "%d", value);
5499       sprintf(name, "%s", text);
5500
5501       setString(&ti->identifier, identifier);
5502       setString(&ti->name, name);
5503       setString(&ti->name_sorting, name);
5504       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5505
5506       pushTreeInfo(&scroll_delays, ti);
5507     }
5508
5509     // sort scroll delay values to start with lowest scroll delay value
5510     sortTreeInfo(&scroll_delays);
5511
5512     // set current scroll delay value to configured scroll delay value
5513     scroll_delay_current =
5514       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5515
5516     // if that fails, set current scroll delay to reliable default value
5517     if (scroll_delay_current == NULL)
5518       scroll_delay_current =
5519         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5520
5521     // if that also fails, set current scroll delay to first available value
5522     if (scroll_delay_current == NULL)
5523       scroll_delay_current = scroll_delays;
5524   }
5525
5526   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5527
5528   // needed for displaying scroll delay text instead of identifier
5529   scroll_delay_text = scroll_delay_current->name;
5530 }
5531
5532 static void execSetupGame_setSnapshotModes(void)
5533 {
5534   if (snapshot_modes == NULL)
5535   {
5536     int i;
5537
5538     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5539     {
5540       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5541       char identifier[32], name[32];
5542       char *value = snapshot_modes_list[i].value;
5543       char *text = snapshot_modes_list[i].text;
5544
5545       ti->node_top = &snapshot_modes;
5546       ti->sort_priority = i;
5547
5548       sprintf(identifier, "%s", value);
5549       sprintf(name, "%s", text);
5550
5551       setString(&ti->identifier, identifier);
5552       setString(&ti->name, name);
5553       setString(&ti->name_sorting, name);
5554       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5555
5556       pushTreeInfo(&snapshot_modes, ti);
5557     }
5558
5559     // sort snapshot mode values to start with lowest snapshot mode value
5560     sortTreeInfo(&snapshot_modes);
5561
5562     // set current snapshot mode value to configured snapshot mode value
5563     snapshot_mode_current =
5564       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5565
5566     // if that fails, set current snapshot mode to reliable default value
5567     if (snapshot_mode_current == NULL)
5568       snapshot_mode_current =
5569         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5570
5571     // if that also fails, set current snapshot mode to first available value
5572     if (snapshot_mode_current == NULL)
5573       snapshot_mode_current = snapshot_modes;
5574   }
5575
5576   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5577
5578   // needed for displaying snapshot mode text instead of identifier
5579   snapshot_mode_text = snapshot_mode_current->name;
5580 }
5581
5582 static void execSetupGame_setNetworkServerText(void)
5583 {
5584   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5585   {
5586     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5587   }
5588   else
5589   {
5590     strncpy(network_server_hostname, setup.network_server_hostname,
5591             MAX_SETUP_TEXT_INPUT_LEN);
5592     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5593   }
5594
5595   // needed for displaying network server text instead of identifier
5596   network_server_text = network_server_hostname;
5597 }
5598
5599 static void execSetupGame(void)
5600 {
5601   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5602
5603   execSetupGame_setGameSpeeds(FALSE);
5604   execSetupGame_setScrollDelays();
5605   execSetupGame_setSnapshotModes();
5606
5607   execSetupGame_setNetworkServerText();
5608
5609   if (!setup.provide_uploading_tapes)
5610     setHideSetupEntry(execOfferUploadTapes);
5611
5612   setup_mode = SETUP_MODE_GAME;
5613
5614   DrawSetupScreen();
5615
5616   // check if vsync needs to be disabled for this game speed to work
5617   if (check_vsync_mode)
5618     DisableVsyncIfNeeded();
5619 }
5620
5621 static void execSetupChooseGameSpeed(void)
5622 {
5623   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5624
5625   DrawSetupScreen();
5626 }
5627
5628 static void execSetupChooseScrollDelay(void)
5629 {
5630   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5631
5632   DrawSetupScreen();
5633 }
5634
5635 static void execSetupChooseSnapshotMode(void)
5636 {
5637   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5638
5639   DrawSetupScreen();
5640 }
5641
5642 static void execSetupEngines(void)
5643 {
5644   setup_mode = SETUP_MODE_ENGINES;
5645
5646   DrawSetupScreen();
5647 }
5648
5649 static void execSetupEditor(void)
5650 {
5651   setup_mode = SETUP_MODE_EDITOR;
5652
5653   DrawSetupScreen();
5654 }
5655
5656 static void execSetupGraphics_setWindowSizes(boolean update_list)
5657 {
5658   if (window_sizes != NULL && update_list)
5659   {
5660     freeTreeInfo(window_sizes);
5661
5662     window_sizes = NULL;
5663   }
5664
5665   if (window_sizes == NULL)
5666   {
5667     boolean current_window_size_found = FALSE;
5668     int i;
5669
5670     for (i = 0; window_sizes_list[i].value != -1; i++)
5671     {
5672       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5673       char identifier[32], name[32];
5674       int value = window_sizes_list[i].value;
5675       char *text = window_sizes_list[i].text;
5676
5677       ti->node_top = &window_sizes;
5678       ti->sort_priority = value;
5679
5680       sprintf(identifier, "%d", value);
5681       sprintf(name, "%s", text);
5682
5683       setString(&ti->identifier, identifier);
5684       setString(&ti->name, name);
5685       setString(&ti->name_sorting, name);
5686       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5687
5688       pushTreeInfo(&window_sizes, ti);
5689
5690       if (value == setup.window_scaling_percent)
5691         current_window_size_found = TRUE;
5692     }
5693
5694     if (!current_window_size_found)
5695     {
5696       // add entry for non-preset window scaling value
5697
5698       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5699       char identifier[32], name[32];
5700       int value = setup.window_scaling_percent;
5701
5702       ti->node_top = &window_sizes;
5703       ti->sort_priority = value;
5704
5705       sprintf(identifier, "%d", value);
5706       sprintf(name, "%d %% (Current)", value);
5707
5708       setString(&ti->identifier, identifier);
5709       setString(&ti->name, name);
5710       setString(&ti->name_sorting, name);
5711       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5712
5713       pushTreeInfo(&window_sizes, ti);
5714     }
5715
5716     // sort window size values to start with lowest window size value
5717     sortTreeInfo(&window_sizes);
5718
5719     // set current window size value to configured window size value
5720     window_size_current =
5721       getTreeInfoFromIdentifier(window_sizes,
5722                                 i_to_a(setup.window_scaling_percent));
5723
5724     // if that fails, set current window size to reliable default value
5725     if (window_size_current == NULL)
5726       window_size_current =
5727         getTreeInfoFromIdentifier(window_sizes,
5728                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5729
5730     // if that also fails, set current window size to first available value
5731     if (window_size_current == NULL)
5732       window_size_current = window_sizes;
5733   }
5734
5735   setup.window_scaling_percent = atoi(window_size_current->identifier);
5736
5737   // needed for displaying window size text instead of identifier
5738   window_size_text = window_size_current->name;
5739 }
5740
5741 static void execSetupGraphics_setScalingTypes(void)
5742 {
5743   if (scaling_types == NULL)
5744   {
5745     int i;
5746
5747     for (i = 0; scaling_types_list[i].value != NULL; i++)
5748     {
5749       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5750       char identifier[32], name[32];
5751       char *value = scaling_types_list[i].value;
5752       char *text = scaling_types_list[i].text;
5753
5754       ti->node_top = &scaling_types;
5755       ti->sort_priority = i;
5756
5757       sprintf(identifier, "%s", value);
5758       sprintf(name, "%s", text);
5759
5760       setString(&ti->identifier, identifier);
5761       setString(&ti->name, name);
5762       setString(&ti->name_sorting, name);
5763       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5764
5765       pushTreeInfo(&scaling_types, ti);
5766     }
5767
5768     // sort scaling type values to start with lowest scaling type value
5769     sortTreeInfo(&scaling_types);
5770
5771     // set current scaling type value to configured scaling type value
5772     scaling_type_current =
5773       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5774
5775     // if that fails, set current scaling type to reliable default value
5776     if (scaling_type_current == NULL)
5777       scaling_type_current =
5778         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5779
5780     // if that also fails, set current scaling type to first available value
5781     if (scaling_type_current == NULL)
5782       scaling_type_current = scaling_types;
5783   }
5784
5785   setup.window_scaling_quality = scaling_type_current->identifier;
5786
5787   // needed for displaying scaling type text instead of identifier
5788   scaling_type_text = scaling_type_current->name;
5789 }
5790
5791 static void execSetupGraphics_setRenderingModes(void)
5792 {
5793   if (rendering_modes == NULL)
5794   {
5795     int i;
5796
5797     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5798     {
5799       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5800       char identifier[32], name[32];
5801       char *value = rendering_modes_list[i].value;
5802       char *text = rendering_modes_list[i].text;
5803
5804       ti->node_top = &rendering_modes;
5805       ti->sort_priority = i;
5806
5807       sprintf(identifier, "%s", value);
5808       sprintf(name, "%s", text);
5809
5810       setString(&ti->identifier, identifier);
5811       setString(&ti->name, name);
5812       setString(&ti->name_sorting, name);
5813       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5814
5815       pushTreeInfo(&rendering_modes, ti);
5816     }
5817
5818     // sort rendering mode values to start with lowest rendering mode value
5819     sortTreeInfo(&rendering_modes);
5820
5821     // set current rendering mode value to configured rendering mode value
5822     rendering_mode_current =
5823       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5824
5825     // if that fails, set current rendering mode to reliable default value
5826     if (rendering_mode_current == NULL)
5827       rendering_mode_current =
5828         getTreeInfoFromIdentifier(rendering_modes,
5829                                   STR_SPECIAL_RENDERING_DEFAULT);
5830
5831     // if that also fails, set current rendering mode to first available one
5832     if (rendering_mode_current == NULL)
5833       rendering_mode_current = rendering_modes;
5834   }
5835
5836   setup.screen_rendering_mode = rendering_mode_current->identifier;
5837
5838   // needed for displaying rendering mode text instead of identifier
5839   rendering_mode_text = rendering_mode_current->name;
5840 }
5841
5842 static void execSetupGraphics_setVsyncModes(boolean update_value)
5843 {
5844   if (vsync_modes == NULL)
5845   {
5846     int i;
5847
5848     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5849     {
5850       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5851       char identifier[32], name[32];
5852       char *value = vsync_modes_list[i].value;
5853       char *text = vsync_modes_list[i].text;
5854
5855       ti->node_top = &vsync_modes;
5856       ti->sort_priority = i;
5857
5858       sprintf(identifier, "%s", value);
5859       sprintf(name, "%s", text);
5860
5861       setString(&ti->identifier, identifier);
5862       setString(&ti->name, name);
5863       setString(&ti->name_sorting, name);
5864       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5865
5866       pushTreeInfo(&vsync_modes, ti);
5867     }
5868
5869     // sort vsync mode values to start with lowest vsync mode value
5870     sortTreeInfo(&vsync_modes);
5871
5872     update_value = TRUE;
5873   }
5874
5875   if (update_value)
5876   {
5877     // set current vsync mode value to configured vsync mode value
5878     vsync_mode_current =
5879       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5880
5881     // if that fails, set current vsync mode to reliable default value
5882     if (vsync_mode_current == NULL)
5883       vsync_mode_current =
5884         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5885
5886     // if that also fails, set current vsync mode to first available one
5887     if (vsync_mode_current == NULL)
5888       vsync_mode_current = vsync_modes;
5889   }
5890
5891   setup.vsync_mode = vsync_mode_current->identifier;
5892
5893   // needed for displaying vsync mode text instead of identifier
5894   vsync_mode_text = vsync_mode_current->name;
5895 }
5896
5897 static void execSetupGraphics(void)
5898 {
5899   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5900
5901   // update "setup.window_scaling_percent" from list selection
5902   // (in this case, window scaling was changed on setup screen)
5903   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5904     execSetupGraphics_setWindowSizes(FALSE);
5905
5906   // update "setup.vsync_mode" from list selection
5907   // (in this case, vsync mode was changed on setup screen)
5908   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5909     execSetupGraphics_setVsyncModes(FALSE);
5910
5911   // update list selection from "setup.window_scaling_percent"
5912   // (window scaling may have changed by resizing the window)
5913   execSetupGraphics_setWindowSizes(TRUE);
5914
5915   // update list selection from "setup.vsync_mode"
5916   // (vsync_mode may have changed by re-creating the renderer)
5917   execSetupGraphics_setVsyncModes(TRUE);
5918
5919   execSetupGraphics_setScalingTypes();
5920   execSetupGraphics_setRenderingModes();
5921
5922   setup_mode = SETUP_MODE_GRAPHICS;
5923
5924   DrawSetupScreen();
5925
5926   // check if game speed is high enough for 60 Hz vsync to work
5927   if (check_game_speed)
5928     ModifyGameSpeedIfNeeded();
5929
5930   // window scaling may have changed at this point
5931   ChangeWindowScalingIfNeeded();
5932
5933   // window scaling quality may have changed at this point
5934   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5935     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5936
5937   // screen rendering mode may have changed at this point
5938   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5939
5940   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5941   int video_vsync_mode = video.vsync_mode;
5942
5943   // screen vsync mode may have changed at this point
5944   ChangeVsyncModeIfNeeded();
5945
5946   // check if setting vsync mode to selected value failed
5947   if (setup_vsync_mode != video_vsync_mode &&
5948       setup_vsync_mode != video.vsync_mode)
5949   {
5950     // changing vsync mode to selected value failed -- reset displayed value
5951     execSetupGraphics_setVsyncModes(TRUE);
5952
5953     Request("Setting VSync failed!", REQ_CONFIRM);
5954
5955     DrawSetupScreen();
5956   }
5957 }
5958
5959 static void execSetupChooseWindowSize(void)
5960 {
5961   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5962
5963   DrawSetupScreen();
5964 }
5965
5966 static void execSetupChooseScalingType(void)
5967 {
5968   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5969
5970   DrawSetupScreen();
5971 }
5972
5973 static void execSetupChooseRenderingMode(void)
5974 {
5975   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5976
5977   DrawSetupScreen();
5978 }
5979
5980 static void execSetupChooseVsyncMode(void)
5981 {
5982   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5983
5984   DrawSetupScreen();
5985 }
5986
5987 static void execSetupChooseVolumeSimple(void)
5988 {
5989   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5990
5991   DrawSetupScreen();
5992 }
5993
5994 static void execSetupChooseVolumeLoops(void)
5995 {
5996   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5997
5998   DrawSetupScreen();
5999 }
6000
6001 static void execSetupChooseVolumeMusic(void)
6002 {
6003   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6004
6005   DrawSetupScreen();
6006 }
6007
6008 static void execSetupSound(void)
6009 {
6010   if (volumes_simple == NULL)
6011   {
6012     boolean current_volume_simple_found = FALSE;
6013     int i;
6014
6015     for (i = 0; volumes_list[i].value != -1; i++)
6016     {
6017       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6018       char identifier[32], name[32];
6019       int value = volumes_list[i].value;
6020       char *text = volumes_list[i].text;
6021
6022       ti->node_top = &volumes_simple;
6023       ti->sort_priority = value;
6024
6025       sprintf(identifier, "%d", value);
6026       sprintf(name, "%s", text);
6027
6028       setString(&ti->identifier, identifier);
6029       setString(&ti->name, name);
6030       setString(&ti->name_sorting, name);
6031       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6032
6033       pushTreeInfo(&volumes_simple, ti);
6034
6035       if (value == setup.volume_simple)
6036         current_volume_simple_found = TRUE;
6037     }
6038
6039     if (!current_volume_simple_found)
6040     {
6041       // add entry for non-preset volume value
6042
6043       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6044       char identifier[32], name[32];
6045       int value = setup.volume_simple;
6046
6047       ti->node_top = &volumes_simple;
6048       ti->sort_priority = value;
6049
6050       sprintf(identifier, "%d", value);
6051       sprintf(name, "%d %% (Current)", value);
6052
6053       setString(&ti->identifier, identifier);
6054       setString(&ti->name, name);
6055       setString(&ti->name_sorting, name);
6056       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6057
6058       pushTreeInfo(&volumes_simple, ti);
6059     }
6060
6061     // sort volume values to start with lowest volume value
6062     sortTreeInfo(&volumes_simple);
6063
6064     // set current volume value to configured volume value
6065     volume_simple_current =
6066       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6067
6068     // if that fails, set current volume to reliable default value
6069     if (volume_simple_current == NULL)
6070       volume_simple_current =
6071         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6072
6073     // if that also fails, set current volume to first available value
6074     if (volume_simple_current == NULL)
6075       volume_simple_current = volumes_simple;
6076   }
6077
6078   if (volumes_loops == NULL)
6079   {
6080     boolean current_volume_loops_found = FALSE;
6081     int i;
6082
6083     for (i = 0; volumes_list[i].value != -1; i++)
6084     {
6085       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6086       char identifier[32], name[32];
6087       int value = volumes_list[i].value;
6088       char *text = volumes_list[i].text;
6089
6090       ti->node_top = &volumes_loops;
6091       ti->sort_priority = value;
6092
6093       sprintf(identifier, "%d", value);
6094       sprintf(name, "%s", text);
6095
6096       setString(&ti->identifier, identifier);
6097       setString(&ti->name, name);
6098       setString(&ti->name_sorting, name);
6099       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6100
6101       pushTreeInfo(&volumes_loops, ti);
6102
6103       if (value == setup.volume_loops)
6104         current_volume_loops_found = TRUE;
6105     }
6106
6107     if (!current_volume_loops_found)
6108     {
6109       // add entry for non-preset volume value
6110
6111       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6112       char identifier[32], name[32];
6113       int value = setup.volume_loops;
6114
6115       ti->node_top = &volumes_loops;
6116       ti->sort_priority = value;
6117
6118       sprintf(identifier, "%d", value);
6119       sprintf(name, "%d %% (Current)", value);
6120
6121       setString(&ti->identifier, identifier);
6122       setString(&ti->name, name);
6123       setString(&ti->name_sorting, name);
6124       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6125
6126       pushTreeInfo(&volumes_loops, ti);
6127     }
6128
6129     // sort volume values to start with lowest volume value
6130     sortTreeInfo(&volumes_loops);
6131
6132     // set current volume value to configured volume value
6133     volume_loops_current =
6134       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6135
6136     // if that fails, set current volume to reliable default value
6137     if (volume_loops_current == NULL)
6138       volume_loops_current =
6139         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6140
6141     // if that also fails, set current volume to first available value
6142     if (volume_loops_current == NULL)
6143       volume_loops_current = volumes_loops;
6144   }
6145
6146   if (volumes_music == NULL)
6147   {
6148     boolean current_volume_music_found = FALSE;
6149     int i;
6150
6151     for (i = 0; volumes_list[i].value != -1; i++)
6152     {
6153       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6154       char identifier[32], name[32];
6155       int value = volumes_list[i].value;
6156       char *text = volumes_list[i].text;
6157
6158       ti->node_top = &volumes_music;
6159       ti->sort_priority = value;
6160
6161       sprintf(identifier, "%d", value);
6162       sprintf(name, "%s", text);
6163
6164       setString(&ti->identifier, identifier);
6165       setString(&ti->name, name);
6166       setString(&ti->name_sorting, name);
6167       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6168
6169       pushTreeInfo(&volumes_music, ti);
6170
6171       if (value == setup.volume_music)
6172         current_volume_music_found = TRUE;
6173     }
6174
6175     if (!current_volume_music_found)
6176     {
6177       // add entry for non-preset volume value
6178
6179       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6180       char identifier[32], name[32];
6181       int value = setup.volume_music;
6182
6183       ti->node_top = &volumes_music;
6184       ti->sort_priority = value;
6185
6186       sprintf(identifier, "%d", value);
6187       sprintf(name, "%d %% (Current)", value);
6188
6189       setString(&ti->identifier, identifier);
6190       setString(&ti->name, name);
6191       setString(&ti->name_sorting, name);
6192       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6193
6194       pushTreeInfo(&volumes_music, ti);
6195     }
6196
6197     // sort volume values to start with lowest volume value
6198     sortTreeInfo(&volumes_music);
6199
6200     // set current volume value to configured volume value
6201     volume_music_current =
6202       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6203
6204     // if that fails, set current volume to reliable default value
6205     if (volume_music_current == NULL)
6206       volume_music_current =
6207         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6208
6209     // if that also fails, set current volume to first available value
6210     if (volume_music_current == NULL)
6211       volume_music_current = volumes_music;
6212   }
6213
6214   setup.volume_simple = atoi(volume_simple_current->identifier);
6215   setup.volume_loops  = atoi(volume_loops_current->identifier);
6216   setup.volume_music  = atoi(volume_music_current->identifier);
6217
6218   // needed for displaying volume text instead of identifier
6219   volume_simple_text = volume_simple_current->name;
6220   volume_loops_text = volume_loops_current->name;
6221   volume_music_text = volume_music_current->name;
6222
6223   setup_mode = SETUP_MODE_SOUND;
6224
6225   DrawSetupScreen();
6226 }
6227
6228 static void execSetupChooseTouchControls(void)
6229 {
6230   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6231
6232   DrawSetupScreen();
6233 }
6234
6235 static void execSetupChooseMoveDistance(void)
6236 {
6237   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6238
6239   DrawSetupScreen();
6240 }
6241
6242 static void execSetupChooseDropDistance(void)
6243 {
6244   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6245
6246   DrawSetupScreen();
6247 }
6248
6249 static void execSetupChooseTransparency(void)
6250 {
6251   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6252
6253   DrawSetupScreen();
6254 }
6255
6256 static void execSetupChooseGridXSize_0(void)
6257 {
6258   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6259
6260   DrawSetupScreen();
6261 }
6262
6263 static void execSetupChooseGridYSize_0(void)
6264 {
6265   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6266
6267   DrawSetupScreen();
6268 }
6269
6270 static void execSetupChooseGridXSize_1(void)
6271 {
6272   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6273
6274   DrawSetupScreen();
6275 }
6276
6277 static void execSetupChooseGridYSize_1(void)
6278 {
6279   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6280
6281   DrawSetupScreen();
6282 }
6283
6284 static void execSetupConfigureVirtualButtons(void)
6285 {
6286   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6287
6288   ConfigureVirtualButtons();
6289
6290   setup_mode = SETUP_MODE_TOUCH;
6291
6292   DrawSetupScreen();
6293 }
6294
6295 static void execSetupTouch(void)
6296 {
6297   int i, j, k;
6298
6299   if (touch_controls == NULL)
6300   {
6301     for (i = 0; touch_controls_list[i].value != NULL; i++)
6302     {
6303       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6304       char identifier[32], name[32];
6305       char *value = touch_controls_list[i].value;
6306       char *text = touch_controls_list[i].text;
6307
6308       ti->node_top = &touch_controls;
6309       ti->sort_priority = i;
6310
6311       sprintf(identifier, "%s", value);
6312       sprintf(name, "%s", text);
6313
6314       setString(&ti->identifier, identifier);
6315       setString(&ti->name, name);
6316       setString(&ti->name_sorting, name);
6317       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6318
6319       pushTreeInfo(&touch_controls, ti);
6320     }
6321
6322     // sort touch control values to start with lowest touch control value
6323     sortTreeInfo(&touch_controls);
6324
6325     // set current touch control value to configured touch control value
6326     touch_control_current =
6327       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6328
6329     // if that fails, set current touch control to reliable default value
6330     if (touch_control_current == NULL)
6331       touch_control_current =
6332         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6333
6334     // if that also fails, set current touch control to first available value
6335     if (touch_control_current == NULL)
6336       touch_control_current = touch_controls;
6337   }
6338
6339   if (move_distances == NULL)
6340   {
6341     for (i = 0; distances_list[i].value != -1; i++)
6342     {
6343       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6344       char identifier[32], name[32];
6345       int value = distances_list[i].value;
6346       char *text = distances_list[i].text;
6347
6348       ti->node_top = &move_distances;
6349       ti->sort_priority = value;
6350
6351       sprintf(identifier, "%d", value);
6352       sprintf(name, "%s", text);
6353
6354       setString(&ti->identifier, identifier);
6355       setString(&ti->name, name);
6356       setString(&ti->name_sorting, name);
6357       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6358
6359       pushTreeInfo(&move_distances, ti);
6360     }
6361
6362     // sort distance values to start with lowest distance value
6363     sortTreeInfo(&move_distances);
6364
6365     // set current distance value to configured distance value
6366     move_distance_current =
6367       getTreeInfoFromIdentifier(move_distances,
6368                                 i_to_a(setup.touch.move_distance));
6369
6370     // if that fails, set current distance to reliable default value
6371     if (move_distance_current == NULL)
6372       move_distance_current =
6373         getTreeInfoFromIdentifier(move_distances,
6374                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6375
6376     // if that also fails, set current distance to first available value
6377     if (move_distance_current == NULL)
6378       move_distance_current = move_distances;
6379   }
6380
6381   if (drop_distances == NULL)
6382   {
6383     for (i = 0; distances_list[i].value != -1; i++)
6384     {
6385       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6386       char identifier[32], name[32];
6387       int value = distances_list[i].value;
6388       char *text = distances_list[i].text;
6389
6390       ti->node_top = &drop_distances;
6391       ti->sort_priority = value;
6392
6393       sprintf(identifier, "%d", value);
6394       sprintf(name, "%s", text);
6395
6396       setString(&ti->identifier, identifier);
6397       setString(&ti->name, name);
6398       setString(&ti->name_sorting, name);
6399       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6400
6401       pushTreeInfo(&drop_distances, ti);
6402     }
6403
6404     // sort distance values to start with lowest distance value
6405     sortTreeInfo(&drop_distances);
6406
6407     // set current distance value to configured distance value
6408     drop_distance_current =
6409       getTreeInfoFromIdentifier(drop_distances,
6410                                 i_to_a(setup.touch.drop_distance));
6411
6412     // if that fails, set current distance to reliable default value
6413     if (drop_distance_current == NULL)
6414       drop_distance_current =
6415         getTreeInfoFromIdentifier(drop_distances,
6416                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6417
6418     // if that also fails, set current distance to first available value
6419     if (drop_distance_current == NULL)
6420       drop_distance_current = drop_distances;
6421   }
6422
6423   if (transparencies == NULL)
6424   {
6425     for (i = 0; transparencies_list[i].value != -1; i++)
6426     {
6427       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6428       char identifier[32], name[32];
6429       int value = transparencies_list[i].value;
6430       char *text = transparencies_list[i].text;
6431
6432       ti->node_top = &transparencies;
6433       ti->sort_priority = value;
6434
6435       sprintf(identifier, "%d", value);
6436       sprintf(name, "%s", text);
6437
6438       setString(&ti->identifier, identifier);
6439       setString(&ti->name, name);
6440       setString(&ti->name_sorting, name);
6441       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6442
6443       pushTreeInfo(&transparencies, ti);
6444     }
6445
6446     // sort transparency values to start with lowest transparency value
6447     sortTreeInfo(&transparencies);
6448
6449     // set current transparency value to configured transparency value
6450     transparency_current =
6451       getTreeInfoFromIdentifier(transparencies,
6452                                 i_to_a(setup.touch.transparency));
6453
6454     // if that fails, set current transparency to reliable default value
6455     if (transparency_current == NULL)
6456       transparency_current =
6457         getTreeInfoFromIdentifier(transparencies,
6458                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6459
6460     // if that also fails, set current transparency to first available value
6461     if (transparency_current == NULL)
6462       transparency_current = transparencies;
6463   }
6464
6465   for (i = 0; i < 2; i++)
6466   {
6467     for (j = 0; j < 2; j++)
6468     {
6469       if (grid_sizes[i][j] == NULL)
6470       {
6471         for (k = 0; grid_sizes_list[k].value != -1; k++)
6472         {
6473           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6474           char identifier[32], name[32];
6475           int value = grid_sizes_list[k].value;
6476           char *text = grid_sizes_list[k].text;
6477
6478           ti->node_top = &grid_sizes[i][j];
6479           ti->sort_priority = value;
6480
6481           sprintf(identifier, "%d", value);
6482           sprintf(name, "%s", text);
6483
6484           setString(&ti->identifier, identifier);
6485           setString(&ti->name, name);
6486           setString(&ti->name_sorting, name);
6487           setString(&ti->infotext,
6488                     (i == 0 ?
6489                      (j == 0 ?
6490                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6491                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6492                      (j == 0 ?
6493                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6494                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6495
6496           pushTreeInfo(&grid_sizes[i][j], ti);
6497         }
6498
6499         // sort grid size values to start with lowest grid size value
6500         sortTreeInfo(&grid_sizes[i][j]);
6501
6502         // set current grid size value to configured grid size value
6503         grid_size_current[i][j] =
6504           getTreeInfoFromIdentifier(grid_sizes[i][j],
6505                                     i_to_a(j == 0 ?
6506                                            setup.touch.grid_xsize[i] :
6507                                            setup.touch.grid_ysize[i]));
6508
6509         // if that fails, set current grid size to reliable default value
6510         if (grid_size_current[i][j] == NULL)
6511           grid_size_current[i][j] =
6512             getTreeInfoFromIdentifier(grid_sizes[i][j],
6513                                       i_to_a(j == 0 ?
6514                                              DEFAULT_GRID_XSIZE(i) :
6515                                              DEFAULT_GRID_YSIZE(i)));
6516
6517         // if that also fails, set current grid size to first available value
6518         if (grid_size_current[i][j] == NULL)
6519           grid_size_current[i][j] = grid_sizes[i][j];
6520       }
6521     }
6522   }
6523
6524   setup.touch.control_type = touch_control_current->identifier;
6525   setup.touch.move_distance = atoi(move_distance_current->identifier);
6526   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6527   setup.touch.transparency = atoi(transparency_current->identifier);
6528
6529   for (i = 0; i < 2; i++)
6530   {
6531     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6532     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6533
6534     if (i == GRID_ACTIVE_NR())
6535     {
6536       overlay.grid_xsize = setup.touch.grid_xsize[i];
6537       overlay.grid_ysize = setup.touch.grid_ysize[i];
6538     }
6539   }
6540
6541   // needed for displaying value text instead of identifier
6542   touch_controls_text = touch_control_current->name;
6543   move_distance_text = move_distance_current->name;
6544   drop_distance_text = drop_distance_current->name;
6545   transparency_text = transparency_current->name;
6546
6547   for (i = 0; i < 2; i++)
6548     for (j = 0; j < 2; j++)
6549       grid_size_text[i][j] = grid_size_current[i][j]->name;
6550
6551   setup_mode = SETUP_MODE_TOUCH;
6552
6553   DrawSetupScreen();
6554 }
6555
6556 static void execSetupArtwork(void)
6557 {
6558   static ArtworkDirTree *gfx_last_valid = NULL;
6559   static ArtworkDirTree *snd_last_valid = NULL;
6560   static ArtworkDirTree *mus_last_valid = NULL;
6561
6562   // current artwork directory may be invalid (level group, parent link)
6563   if (!validLevelSeries(artwork.gfx_current))
6564     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6565   if (!validLevelSeries(artwork.snd_current))
6566     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6567   if (!validLevelSeries(artwork.mus_current))
6568     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6569
6570   // store valid artwork directory information
6571   gfx_last_valid = artwork.gfx_current;
6572   snd_last_valid = artwork.snd_current;
6573   mus_last_valid = artwork.mus_current;
6574
6575 #if 0
6576   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6577         artwork.gfx_current->subdir,
6578         artwork.gfx_current->fullpath,
6579         artwork.gfx_current->basepath);
6580 #endif
6581
6582   setup.graphics_set = artwork.gfx_current->identifier;
6583   setup.sounds_set = artwork.snd_current->identifier;
6584   setup.music_set = artwork.mus_current->identifier;
6585
6586   // needed if last screen (setup choice) changed graphics, sounds or music
6587   ReloadCustomArtwork(0);
6588
6589   // needed for displaying artwork name instead of artwork identifier
6590   graphics_set_name = artwork.gfx_current->name;
6591   sounds_set_name = artwork.snd_current->name;
6592   music_set_name = artwork.mus_current->name;
6593
6594   setup_mode = SETUP_MODE_ARTWORK;
6595
6596   DrawSetupScreen();
6597 }
6598
6599 static void execSetupChooseGraphics(void)
6600 {
6601   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6602
6603   DrawSetupScreen();
6604 }
6605
6606 static void execSetupChooseSounds(void)
6607 {
6608   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6609
6610   DrawSetupScreen();
6611 }
6612
6613 static void execSetupChooseMusic(void)
6614 {
6615   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6616
6617   DrawSetupScreen();
6618 }
6619
6620 static void execSetupInput(void)
6621 {
6622   setup_mode = SETUP_MODE_INPUT;
6623
6624   DrawSetupScreen();
6625 }
6626
6627 static void execSetupShortcuts(void)
6628 {
6629   setup_mode = SETUP_MODE_SHORTCUTS;
6630
6631   DrawSetupScreen();
6632 }
6633
6634 static void execSetupShortcuts1(void)
6635 {
6636   setup_mode = SETUP_MODE_SHORTCUTS_1;
6637
6638   DrawSetupScreen();
6639 }
6640
6641 static void execSetupShortcuts2(void)
6642 {
6643   setup_mode = SETUP_MODE_SHORTCUTS_2;
6644
6645   DrawSetupScreen();
6646 }
6647
6648 static void execSetupShortcuts3(void)
6649 {
6650   setup_mode = SETUP_MODE_SHORTCUTS_3;
6651
6652   DrawSetupScreen();
6653 }
6654
6655 static void execSetupShortcuts4(void)
6656 {
6657   setup_mode = SETUP_MODE_SHORTCUTS_4;
6658
6659   DrawSetupScreen();
6660 }
6661
6662 static void execSetupShortcuts5(void)
6663 {
6664   setup_mode = SETUP_MODE_SHORTCUTS_5;
6665
6666   DrawSetupScreen();
6667 }
6668
6669 static void execExitSetup(void)
6670 {
6671   SetGameStatus(GAME_MODE_MAIN);
6672
6673   DrawMainMenu();
6674 }
6675
6676 static void execSaveAndExitSetup(void)
6677 {
6678   SaveSetup();
6679   execExitSetup();
6680 }
6681
6682 static void execGadgetNetworkServer(void)
6683 {
6684   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6685   struct GadgetInfo *gi = screen_gadget[gadget_id];
6686
6687   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6688     network_server_hostname[0] = '\0';
6689
6690   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6691
6692   MapGadget(gi);
6693
6694   ClickOnGadget(gi, MB_LEFTBUTTON);
6695 }
6696
6697 static void execOfferUploadTapes(void)
6698 {
6699   OfferUploadTapes();
6700 }
6701
6702 static void ToggleNetworkModeIfNeeded(void)
6703 {
6704   int font_title = FONT_TITLE_1;
6705   int font_foot = FC_BLUE;
6706   int ystart  = mSY - SY + 16;
6707   int ybottom = mSY - SY + SYSIZE - 20;
6708   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6709
6710   if (setup.network_mode == network.enabled)
6711     return;
6712
6713   network.enabled = setup.network_mode;
6714
6715   FadeOut(REDRAW_ALL);
6716
6717   ClearField();
6718
6719   DrawTextSCentered(ystart, font_title, text);
6720
6721   FadeIn(REDRAW_ALL);
6722
6723   if (network.enabled)
6724     InitNetworkServer();
6725   else
6726     DisconnectFromNetworkServer();
6727
6728   DrawTextSCentered(ybottom, font_foot,
6729                     "Press any key or button for setup menu");
6730
6731   WaitForEventToContinue();
6732
6733   DrawSetupScreen();
6734 }
6735
6736 static void ToggleGameSpeedsListIfNeeded(void)
6737 {
6738   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6739
6740   if (setup.game_speed_extended == using_game_speeds_extended)
6741     return;
6742
6743   // try to match similar values when changing game speeds list
6744   if (setup.game_speed_extended)
6745     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6746                               setup.game_frame_delay == 30 ? 29 :
6747                               setup.game_frame_delay);
6748   else
6749     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6750                               setup.game_frame_delay == 16 ? 15 :
6751                               setup.game_frame_delay >= 29 ? 30 :
6752                               setup.game_frame_delay <= 10 ? 10 :
6753                               setup.game_frame_delay);
6754
6755   execSetupGame_setGameSpeeds(TRUE);
6756
6757   DrawSetupScreen();
6758 }
6759
6760 static void ModifyGameSpeedIfNeeded(void)
6761 {
6762   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6763       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6764     return;
6765
6766   char message[100];
6767   char *game_speed_text = "Fast";
6768   int game_speed_value = 15;
6769
6770   if (setup.game_speed_extended)
6771   {
6772     game_speed_text = "60 fps";
6773     game_speed_value = 16;
6774   }
6775
6776   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6777
6778   // set game speed to existing list value that is fast enough for vsync
6779   setup.game_frame_delay = game_speed_value;
6780
6781   execSetupGame_setGameSpeeds(TRUE);
6782
6783   Request(message, REQ_CONFIRM);
6784 }
6785
6786 static void DisableVsyncIfNeeded(void)
6787 {
6788   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6789       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6790        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6791     return;
6792
6793   // disable vsync for the selected game speed to work
6794   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6795
6796   execSetupGraphics_setVsyncModes(TRUE);
6797
6798   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6799 }
6800
6801 static struct
6802 {
6803   void *value;
6804   void *related_value;
6805 } hide_related_entry_list[] =
6806 {
6807   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6808   { &setup.game_frame_delay,            &game_speed_text                },
6809
6810   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6811   { &setup.scroll_delay_value,          &scroll_delay_text              },
6812
6813   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6814   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6815
6816   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6817   { &setup.window_scaling_percent,      &window_size_text               },
6818
6819   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6820   { &setup.window_scaling_quality,      &scaling_type_text              },
6821
6822   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6823   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6824
6825   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6826   { &setup.vsync_mode,                  &vsync_mode_text                },
6827
6828   { &setup.graphics_set,                execSetupChooseGraphics         },
6829   { &setup.graphics_set,                &graphics_set_name              },
6830
6831   { &setup.sounds_set,                  execSetupChooseSounds           },
6832   { &setup.sounds_set,                  &sounds_set_name                },
6833
6834   { &setup.music_set,                   execSetupChooseMusic            },
6835   { &setup.music_set,                   &music_set_name                 },
6836
6837   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6838   { &setup.volume_simple,               &volume_simple_text             },
6839
6840   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6841   { &setup.volume_loops,                &volume_loops_text              },
6842
6843   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6844   { &setup.volume_music,                &volume_music_text              },
6845
6846   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6847   { &setup.touch.control_type,          &touch_controls_text            },
6848
6849   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6850   { &setup.touch.move_distance,         &move_distance_text             },
6851
6852   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6853   { &setup.touch.drop_distance,         &drop_distance_text             },
6854
6855   { &setup.touch.transparency,          execSetupChooseTransparency     },
6856   { &setup.touch.transparency,          &transparency_text              },
6857
6858   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6859   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6860
6861   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6862   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6863
6864   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6865   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6866
6867   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6868   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6869
6870   { &setup.internal.menu_game,          execSetupGame                   },
6871   { &setup.internal.menu_engines,       execSetupEngines                },
6872   { &setup.internal.menu_editor,        execSetupEditor                 },
6873   { &setup.internal.menu_graphics,      execSetupGraphics               },
6874   { &setup.internal.menu_sound,         execSetupSound                  },
6875   { &setup.internal.menu_artwork,       execSetupArtwork                },
6876   { &setup.internal.menu_input,         execSetupInput                  },
6877   { &setup.internal.menu_touch,         execSetupTouch                  },
6878   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6879   { &setup.internal.menu_exit,          execExitSetup                   },
6880   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6881
6882   { NULL,                               NULL                            }
6883 };
6884
6885 void setHideRelatedSetupEntries(void)
6886 {
6887   int i;
6888
6889   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6890     if (hideSetupEntry(hide_related_entry_list[i].value))
6891       setHideSetupEntry(hide_related_entry_list[i].related_value);
6892 }
6893
6894 static struct TokenInfo setup_info_main[] =
6895 {
6896   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6897   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6898   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6899   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6900   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6901   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6902   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6903   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6904   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6905   { TYPE_EMPTY,         NULL,                   ""                      },
6906   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6907   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6908
6909   { 0,                  NULL,                   NULL                    }
6910 };
6911
6912 static struct TokenInfo setup_info_game[] =
6913 {
6914   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6915   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6916   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6917   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6918   { TYPE_STRING,        &network_server_text,   ""                      },
6919   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
6920   { TYPE_SWITCH,        &setup.only_show_local_scores, "Only Show Local Scores:" },
6921   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload All Tapes to Server" },
6922   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6923   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6924   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6925   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6926   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6927   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6928   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6929   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6930   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6931   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6932   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
6933   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
6934   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6935   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6936   { TYPE_STRING,        &game_speed_text,       ""                      },
6937   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6938 #if 1
6939   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6940   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6941 #endif
6942   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6943   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6944   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
6945   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
6946   { TYPE_EMPTY,         NULL,                   ""                      },
6947   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6948
6949   { 0,                  NULL,                   NULL                    }
6950 };
6951
6952 static struct TokenInfo setup_info_engines[] =
6953 {
6954   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6955   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6956   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6957   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6958   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6959   { TYPE_EMPTY,         NULL,                   ""                      },
6960   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6961   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6962   { TYPE_EMPTY,         NULL,                   ""                      },
6963   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6964
6965   { 0,                  NULL,                   NULL                    }
6966 };
6967
6968 static struct TokenInfo setup_info_editor[] =
6969 {
6970 #if 0
6971   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6972   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6973   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6974   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6975   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6976   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6977   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6978   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6979   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6980   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6981 #endif
6982   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6983   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6984 #if 0
6985   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6986 #endif
6987   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6988   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6989   { TYPE_EMPTY,         NULL,                   ""                      },
6990 #if 0
6991   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6992   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6993   { TYPE_EMPTY,         NULL,                   ""                      },
6994 #endif
6995   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6996   { TYPE_EMPTY,         NULL,                   ""                      },
6997   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
6998   { TYPE_EMPTY,         NULL,                   ""                      },
6999   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7000
7001   { 0,                  NULL,                   NULL                    }
7002 };
7003
7004 static struct TokenInfo setup_info_graphics[] =
7005 {
7006 #if !defined(PLATFORM_ANDROID)
7007   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7008   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7009   { TYPE_STRING,        &window_size_text,      ""                      },
7010   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7011   { TYPE_STRING,        &scaling_type_text,     ""                      },
7012   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7013   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7014 #endif
7015 #if 0
7016   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7017   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7018 #endif
7019   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7020   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7021   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7022   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7023   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7024   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7025   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7026   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7027   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7028   { TYPE_EMPTY,         NULL,                   ""                      },
7029   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7030
7031   { 0,                  NULL,                   NULL                    }
7032 };
7033
7034 static struct TokenInfo setup_info_sound[] =
7035 {
7036   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7037   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7038   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7039   { TYPE_EMPTY,         NULL,                   ""                      },
7040   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7041   { TYPE_STRING,        &volume_simple_text,    ""                      },
7042   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7043   { TYPE_STRING,        &volume_loops_text,     ""                      },
7044   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7045   { TYPE_STRING,        &volume_music_text,     ""                      },
7046   { TYPE_EMPTY,         NULL,                   ""                      },
7047   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7048
7049   { 0,                  NULL,                   NULL                    }
7050 };
7051
7052 static struct TokenInfo setup_info_artwork[] =
7053 {
7054   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7055   { TYPE_STRING,        &graphics_set_name,     ""                      },
7056   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7057   { TYPE_STRING,        &sounds_set_name,       ""                      },
7058   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7059   { TYPE_STRING,        &music_set_name,        ""                      },
7060   { TYPE_EMPTY,         NULL,                   ""                      },
7061   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7062   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7063   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7064   { TYPE_EMPTY,         NULL,                   ""                      },
7065   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7066
7067   { 0,                  NULL,                   NULL                    }
7068 };
7069
7070 static struct TokenInfo setup_info_input[] =
7071 {
7072   { TYPE_SWITCH,        NULL,                   "Player:"               },
7073   { TYPE_SWITCH,        NULL,                   "Device:"               },
7074   { TYPE_SWITCH,        NULL,                   ""                      },
7075   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7076   { TYPE_EMPTY,         NULL,                   ""                      },
7077   { TYPE_EMPTY,         NULL,                   ""                      },
7078   { TYPE_EMPTY,         NULL,                   ""                      },
7079   { TYPE_EMPTY,         NULL,                   ""                      },
7080   { TYPE_EMPTY,         NULL,                   ""                      },
7081   { TYPE_EMPTY,         NULL,                   ""                      },
7082   { TYPE_EMPTY,         NULL,                   ""                      },
7083   { TYPE_EMPTY,         NULL,                   ""                      },
7084   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7085   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7086
7087   { 0,                  NULL,                   NULL                    }
7088 };
7089
7090 static struct TokenInfo setup_info_touch[] =
7091 {
7092   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7093   { TYPE_STRING,        &touch_controls_text,   ""                      },
7094   { TYPE_EMPTY,         NULL,                   ""                      },
7095   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7096
7097   { 0,                  NULL,                   NULL                    }
7098 };
7099
7100 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7101 {
7102   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7103   { TYPE_STRING,        &touch_controls_text,   ""                      },
7104   { TYPE_EMPTY,         NULL,                   ""                      },
7105   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7106   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7107   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7108   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7109   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7110   { TYPE_STRING,        &transparency_text,     ""                      },
7111   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7112   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7113   { TYPE_EMPTY,         NULL,                   ""                      },
7114   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7115   { TYPE_EMPTY,         NULL,                   ""                      },
7116   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7117
7118   { 0,                  NULL,                   NULL                    }
7119 };
7120
7121 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7122 {
7123   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7124   { TYPE_STRING,        &touch_controls_text,   ""                      },
7125   { TYPE_EMPTY,         NULL,                   ""                      },
7126   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7127   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7128   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7129   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7130   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7131   { TYPE_STRING,        &transparency_text,     ""                      },
7132   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7133   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7134   { TYPE_EMPTY,         NULL,                   ""                      },
7135   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7136   { TYPE_EMPTY,         NULL,                   ""                      },
7137   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7138
7139   { 0,                  NULL,                   NULL                    }
7140 };
7141
7142 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7143 {
7144   setup_info_touch_virtual_buttons_0,
7145   setup_info_touch_virtual_buttons_1
7146 };
7147
7148 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7149 {
7150   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7151   { TYPE_STRING,        &touch_controls_text,   ""                      },
7152   { TYPE_EMPTY,         NULL,                   ""                      },
7153   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7154   { TYPE_STRING,        &move_distance_text,    ""                      },
7155   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7156   { TYPE_STRING,        &drop_distance_text,    ""                      },
7157   { TYPE_EMPTY,         NULL,                   ""                      },
7158   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7159
7160   { 0,                  NULL,                   NULL                    }
7161 };
7162
7163 static struct TokenInfo setup_info_shortcuts[] =
7164 {
7165   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7166   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7167   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7168   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7169   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7170   { TYPE_EMPTY,         NULL,                   ""                      },
7171   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7172
7173   { 0,                  NULL,                   NULL                    }
7174 };
7175
7176 static struct TokenInfo setup_info_shortcuts_1[] =
7177 {
7178   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7179   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7180   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7181   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7182   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7183   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7184   { TYPE_EMPTY,         NULL,                   ""                      },
7185   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7186   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7187   { TYPE_EMPTY,         NULL,                   ""                      },
7188   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7189
7190   { 0,                  NULL,                   NULL                    }
7191 };
7192
7193 static struct TokenInfo setup_info_shortcuts_2[] =
7194 {
7195   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7196   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7197   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7198   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7199   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7200   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7201   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7202   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7203   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7204   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7205   { TYPE_EMPTY,         NULL,                   ""                      },
7206   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7207
7208   { 0,                  NULL,                   NULL                    }
7209 };
7210
7211 static struct TokenInfo setup_info_shortcuts_3[] =
7212 {
7213   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7214   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7215   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7216   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7217   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7218   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7219   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7220   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7221   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7222   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7223   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7224   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7225   { TYPE_EMPTY,         NULL,                   ""                      },
7226   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7227
7228   { 0,                  NULL,                   NULL                    }
7229 };
7230
7231 static struct TokenInfo setup_info_shortcuts_4[] =
7232 {
7233   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7234   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7235   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7236   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7237   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7238   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7239   { TYPE_EMPTY,         NULL,                   ""                      },
7240   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7241
7242   { 0,                  NULL,                   NULL                    }
7243 };
7244
7245 static struct TokenInfo setup_info_shortcuts_5[] =
7246 {
7247   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7248   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7249   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7250   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7251   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7252   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7253   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7254   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7255   { TYPE_EMPTY,         NULL,                   ""                      },
7256   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7257
7258   { 0,                  NULL,                   NULL                    }
7259 };
7260
7261 static Key getSetupKey(void)
7262 {
7263   Key key = KSYM_UNDEFINED;
7264   boolean got_key_event = FALSE;
7265
7266   while (!got_key_event)
7267   {
7268     Event event;
7269
7270     if (NextValidEvent(&event))
7271     {
7272       switch (event.type)
7273       {
7274         case EVENT_KEYPRESS:
7275           {
7276             key = GetEventKey((KeyEvent *)&event, TRUE);
7277
7278             // press 'Escape' or 'Enter' to keep the existing key binding
7279             if (key == KSYM_Escape || key == KSYM_Return)
7280               key = KSYM_UNDEFINED;     // keep old value
7281
7282             got_key_event = TRUE;
7283           }
7284           break;
7285
7286         case EVENT_KEYRELEASE:
7287           key_joystick_mapping = 0;
7288           break;
7289
7290         default:
7291           HandleOtherEvents(&event);
7292           break;
7293       }
7294     }
7295
7296     BackToFront();
7297   }
7298
7299   return key;
7300 }
7301
7302 static int getSetupValueFont(int type, void *value)
7303 {
7304   if (type & TYPE_GHOSTED)
7305     return FONT_OPTION_OFF;
7306   else if (type & TYPE_KEY)
7307     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7308   else if (type & TYPE_STRING)
7309     return FONT_VALUE_2;
7310   else if (type & TYPE_ECS_AGA)
7311     return FONT_VALUE_1;
7312   else if (type & TYPE_BOOLEAN_STYLE)
7313     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7314   else if (type & TYPE_YES_NO_AUTO)
7315     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7316             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7317   else if (type & TYPE_PLAYER)
7318     return FONT_VALUE_1;
7319   else
7320     return FONT_VALUE_1;
7321 }
7322
7323 static int getSetupValueFontNarrow(int type, int font_nr)
7324 {
7325   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7326           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7327           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7328           font_nr);
7329 }
7330
7331 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7332 {
7333   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7334   struct TokenInfo *si = &setup_info[si_pos];
7335   boolean font_draw_xoffset_modified = FALSE;
7336   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7337   int font_draw_xoffset_old = -1;
7338   int xoffset = (scrollbar_needed ? -1 : 0);
7339   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7340   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7341   int xpos = menu_screen_value_xpos;
7342   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7343   int startx = mSX + xpos * 32;
7344   int starty = mSY + ypos * 32;
7345   int type = si->type;
7346   void *value = si->value;
7347   char *value_string = getSetupValue(type, value);
7348   int font_nr_default = getSetupValueFont(type, value);
7349   int font_width_default = getFontWidth(font_nr_default);
7350   int font_nr = font_nr_default;
7351   int i;
7352
7353   if (value_string == NULL)
7354     return;
7355
7356   if (type & TYPE_KEY)
7357   {
7358     xpos = MENU_SCREEN_START_XPOS;
7359
7360     if (type & TYPE_QUERY)
7361       value_string = "<press key>";
7362   }
7363   else if (type & TYPE_STRING)
7364   {
7365     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7366
7367     xpos = MENU_SCREEN_START_XPOS;
7368
7369     if (strlen(value_string) > max_value_len)
7370       value_string[max_value_len] = '\0';
7371   }
7372   else if (type & TYPE_YES_NO_AUTO)
7373   {
7374     xpos = menu_screen_value_xpos - 1;
7375   }
7376   else if (type & TYPE_PLAYER)
7377   {
7378     int displayed_player_nr = *(int *)value + 1;
7379
7380     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7381   }
7382
7383   startx = mSX + xpos * 32;
7384   starty = mSY + ypos * 32;
7385
7386   // special check if right-side setup values moved left due to scrollbar
7387   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7388   {
7389     int max_menu_text_length = 26;      // maximum text length for classic menu
7390     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7391     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7392     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7393     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7394     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7395
7396     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7397     {
7398       // when using narrow font, left-shifting text "auto" not needed
7399       if (type & TYPE_YES_NO_AUTO)
7400         xpos += 1;
7401
7402       xpos += 1;
7403       startx = mSX + xpos * 32;
7404
7405       font_nr = getSetupValueFontNarrow(type, font_nr);
7406     }
7407   }
7408
7409   // downward compatibility correction for Juergen Bonhagen's menu settings
7410   if (setup_mode != SETUP_MODE_INPUT)
7411   {
7412     int max_menu_text_length_big = (menu_screen_value_xpos -
7413                                     MENU_SCREEN_START_XPOS);
7414     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7415     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7416     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7417     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7418     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7419     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7420     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7421     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7422     boolean correct_font_draw_xoffset = FALSE;
7423
7424     if (xpos == MENU_SCREEN_START_XPOS &&
7425         startx + font1_xoffset < text_startx + text_font_xoffset)
7426       correct_font_draw_xoffset = TRUE;
7427
7428     if (xpos == menu_screen_value_xpos &&
7429         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7430       correct_font_draw_xoffset = TRUE;
7431
7432     // check if setup value would overlap with setup text when printed
7433     // (this can happen for extreme/wrong values for font draw offset)
7434     if (correct_font_draw_xoffset)
7435     {
7436       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7437       font_draw_xoffset_modified = TRUE;
7438
7439       if (type & TYPE_KEY)
7440         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7441       else if (!(type & TYPE_STRING))
7442         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7443           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7444     }
7445   }
7446
7447   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7448     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7449
7450   DrawText(startx, starty, value_string, font_nr);
7451
7452   if (type & TYPE_PLAYER)
7453   {
7454     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7455     int player_nr = *(int *)value;
7456     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7457     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7458     int startx2 = startx + xoff;
7459     int starty2 = starty + yoff;
7460
7461     if (DrawingOnBackground(startx2, starty2))
7462       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7463
7464     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7465                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7466   }
7467
7468   if (font_draw_xoffset_modified)
7469     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7470 }
7471
7472 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7473 {
7474   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7475   struct TokenInfo *si = &setup_info[si_pos];
7476
7477   if (si->type & TYPE_BOOLEAN_STYLE)
7478   {
7479     *(boolean *)si->value ^= TRUE;
7480   }
7481   else if (si->type & TYPE_YES_NO_AUTO)
7482   {
7483     *(int *)si->value =
7484       (dx == -1 ?
7485        (*(int *)si->value == AUTO ? TRUE :
7486         *(int *)si->value == TRUE ? FALSE : AUTO) :
7487        (*(int *)si->value == TRUE ? AUTO :
7488         *(int *)si->value == AUTO ? FALSE : TRUE));
7489   }
7490   else if (si->type & TYPE_KEY)
7491   {
7492     Key key;
7493
7494     si->type |= TYPE_QUERY;
7495     drawSetupValue(screen_pos, setup_info_pos_raw);
7496     si->type &= ~TYPE_QUERY;
7497
7498     key = getSetupKey();
7499     if (key != KSYM_UNDEFINED)
7500       *(Key *)si->value = key;
7501   }
7502   else if (si->type & TYPE_PLAYER)
7503   {
7504     int player_nr = *(int *)si->value;
7505
7506     if (dx)
7507       player_nr += dx;
7508     else
7509       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7510
7511     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7512   }
7513
7514   drawSetupValue(screen_pos, setup_info_pos_raw);
7515
7516   // fullscreen state may have changed at this point
7517   if (si->value == &setup.fullscreen)
7518     ToggleFullscreenIfNeeded();
7519
7520   // network mode may have changed at this point
7521   if (si->value == &setup.network_mode)
7522     ToggleNetworkModeIfNeeded();
7523
7524   // API server mode may have changed at this point
7525   if (si->value == &setup.use_api_server)
7526     runtime.use_api_server = setup.use_api_server;
7527
7528   // game speed list may have changed at this point
7529   if (si->value == &setup.game_speed_extended)
7530     ToggleGameSpeedsListIfNeeded();
7531 }
7532
7533 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7534 {
7535   static struct TokenInfo *setup_info_final = NULL;
7536   int list_size = 0;
7537   int list_pos = 0;
7538   int i;
7539
7540   // determine maximum list size of target list
7541   while (setup_info_orig[list_size++].type != 0);
7542
7543   // free, allocate and clear memory for target list
7544   checked_free(setup_info_final);
7545   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7546
7547   // copy setup info list without setup entries marked as hidden
7548   for (i = 0; setup_info_orig[i].type != 0; i++)
7549   {
7550     // skip setup entries configured to be hidden
7551     if (hideSetupEntry(setup_info_orig[i].value))
7552       continue;
7553
7554     // skip skippable setup entries if screen is lower than usual
7555     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7556         setup_info_orig[i].type == TYPE_SKIPPABLE)
7557       continue;
7558
7559     setup_info_final[list_pos++] = setup_info_orig[i];
7560   }
7561
7562   return setup_info_final;
7563 }
7564
7565 static void DrawSetupScreen_Generic(void)
7566 {
7567   int fade_mask = REDRAW_FIELD;
7568   boolean redraw_all = FALSE;
7569   char *title_string = NULL;
7570   int i;
7571
7572   if (CheckFadeAll())
7573     fade_mask = REDRAW_ALL;
7574
7575   UnmapAllGadgets();
7576   FadeMenuSoundsAndMusic();
7577
7578   FreeScreenGadgets();
7579   CreateScreenGadgets();
7580
7581   if (redraw_mask & REDRAW_ALL)
7582     redraw_all = TRUE;
7583
7584   FadeOut(fade_mask);
7585
7586   // needed if different viewport properties defined for setup screen
7587   ChangeViewportPropertiesIfNeeded();
7588
7589   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7590
7591   ClearField();
7592
7593   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7594
7595   if (setup_mode == SETUP_MODE_MAIN)
7596   {
7597     setup_info = setup_info_main;
7598     title_string = STR_SETUP_MAIN;
7599   }
7600   else if (setup_mode == SETUP_MODE_GAME)
7601   {
7602     setup_info = setup_info_game;
7603     title_string = STR_SETUP_GAME;
7604   }
7605   else if (setup_mode == SETUP_MODE_ENGINES)
7606   {
7607     setup_info = setup_info_engines;
7608     title_string = STR_SETUP_ENGINES;
7609   }
7610   else if (setup_mode == SETUP_MODE_EDITOR)
7611   {
7612     setup_info = setup_info_editor;
7613     title_string = STR_SETUP_EDITOR;
7614   }
7615   else if (setup_mode == SETUP_MODE_GRAPHICS)
7616   {
7617     setup_info = setup_info_graphics;
7618     title_string = STR_SETUP_GRAPHICS;
7619   }
7620   else if (setup_mode == SETUP_MODE_SOUND)
7621   {
7622     setup_info = setup_info_sound;
7623     title_string = STR_SETUP_SOUND;
7624   }
7625   else if (setup_mode == SETUP_MODE_ARTWORK)
7626   {
7627     setup_info = setup_info_artwork;
7628     title_string = STR_SETUP_ARTWORK;
7629   }
7630   else if (setup_mode == SETUP_MODE_TOUCH)
7631   {
7632     setup_info = setup_info_touch;
7633     title_string = STR_SETUP_TOUCH;
7634
7635     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7636       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7637     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7638       setup_info = setup_info_touch_wipe_gestures;
7639   }
7640   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7641   {
7642     setup_info = setup_info_shortcuts;
7643     title_string = STR_SETUP_SHORTCUTS;
7644   }
7645   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7646   {
7647     setup_info = setup_info_shortcuts_1;
7648     title_string = STR_SETUP_SHORTCUTS;
7649   }
7650   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7651   {
7652     setup_info = setup_info_shortcuts_2;
7653     title_string = STR_SETUP_SHORTCUTS;
7654   }
7655   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7656   {
7657     setup_info = setup_info_shortcuts_3;
7658     title_string = STR_SETUP_SHORTCUTS;
7659   }
7660   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7661   {
7662     setup_info = setup_info_shortcuts_4;
7663     title_string = STR_SETUP_SHORTCUTS;
7664   }
7665   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7666   {
7667     setup_info = setup_info_shortcuts_5;
7668     title_string = STR_SETUP_SHORTCUTS;
7669   }
7670
7671   // use modified setup info without setup entries marked as hidden
7672   setup_info = getSetupInfoFinal(setup_info);
7673
7674   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7675
7676   // determine maximal number of setup entries that can be displayed on screen
7677   num_setup_info = 0;
7678   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7679     num_setup_info++;
7680
7681   // determine maximal number of setup entries available for this setup screen
7682   max_setup_info = 0;
7683   for (i = 0; setup_info[i].type != 0; i++)
7684     max_setup_info++;
7685
7686   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7687
7688   MapScreenGadgets(max_setup_info);
7689
7690   if (redraw_all)
7691     redraw_mask = fade_mask = REDRAW_ALL;
7692
7693   DrawMaskedBorder(fade_mask);
7694
7695   FadeIn(fade_mask);
7696 }
7697
7698 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7699 {
7700   menu_info = setup_info;
7701
7702   HandleMenuScreen(mx, my, dx, dy, button,
7703                    setup_mode, num_setup_info, max_setup_info);
7704 }
7705
7706 static void DrawSetupScreen_Input(void)
7707 {
7708   int i;
7709
7710   FadeOut(REDRAW_FIELD);
7711
7712   ClearField();
7713
7714   setup_info = getSetupInfoFinal(setup_info_input);
7715
7716   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7717
7718   for (i = 0; setup_info[i].type != 0; i++)
7719   {
7720     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7721       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7722     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7723       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7724     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7725       initCursor(i, IMG_MENU_BUTTON);
7726
7727     DrawCursorAndText_Setup(i, -1, FALSE);
7728   }
7729
7730   // create gadgets for setup input menu screen
7731   FreeScreenGadgets();
7732   CreateScreenGadgets();
7733
7734   // map gadgets for setup input menu screen
7735   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7736
7737   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7738
7739   FadeIn(REDRAW_FIELD);
7740 }
7741
7742 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7743 {
7744   if (device_name == NULL)
7745     return;
7746
7747   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7748     device_nr = 0;
7749
7750   if (strlen(device_name) > 1)
7751   {
7752     char c1 = device_name[strlen(device_name) - 1];
7753     char c2 = device_name[strlen(device_name) - 2];
7754
7755     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7756       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7757   }
7758   else
7759     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7760             strlen(device_name));
7761 }
7762
7763 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7764 {
7765   int i;
7766   static struct SetupKeyboardInfo custom_key;
7767   static struct
7768   {
7769     Key *key;
7770     char *text;
7771   } custom[] =
7772   {
7773     { &custom_key.left,  "Axis/Pad Left"  },
7774     { &custom_key.right, "Axis/Pad Right" },
7775     { &custom_key.up,    "Axis/Pad Up"    },
7776     { &custom_key.down,  "Axis/Pad Down"  },
7777     { &custom_key.snap,  "Button 1/A/X"   },
7778     { &custom_key.drop,  "Button 2/B/Y"   }
7779   };
7780   static char *joystick_name[MAX_PLAYERS] =
7781   {
7782     "Joystick1",
7783     "Joystick2",
7784     "Joystick3",
7785     "Joystick4"
7786   };
7787   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7788   int font_nr_info = FONT_MENU_1;
7789   int font_nr_name = FONT_VALUE_OLD;
7790   int font_nr_on   = FONT_VALUE_1;
7791   int font_nr_off  = FONT_VALUE_OLD;
7792   int pos = 4;
7793
7794   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7795   {
7796     font_nr_info = FONT_MENU_2;
7797     font_nr_on   = FONT_VALUE_NARROW;
7798     font_nr_off  = FONT_VALUE_OLD_NARROW;
7799   }
7800
7801   custom_key = setup.input[player_nr].key;
7802
7803   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7804            FONT_INPUT_1_ACTIVE);
7805
7806   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7807                              TILEX, TILEY);
7808   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7809                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7810
7811   if (setup.input[player_nr].use_joystick)
7812   {
7813     char *device_name = setup.input[player_nr].joy.device_name;
7814     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7815     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7816     char *text = joystick_name[joystick_nr];
7817     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7818
7819     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7820     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7821   }
7822   else
7823   {
7824     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7825     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7826   }
7827
7828   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7829     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7830   else
7831     pos = 3;
7832
7833   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7834   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7835   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7836   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7837
7838   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7839   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7840   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7841   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7842   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7843   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7844
7845   for (i = 0; i < 6; i++)
7846   {
7847     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7848
7849     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7850              "              ", font_nr_on);
7851     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7852              (setup.input[player_nr].use_joystick ?
7853               custom[i].text :
7854               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7855   }
7856 }
7857
7858 static int input_player_nr = 0;
7859
7860 static void HandleSetupScreen_Input_Player(int step, int direction)
7861 {
7862   int old_player_nr = input_player_nr;
7863   int new_player_nr;
7864
7865   new_player_nr = old_player_nr + step * direction;
7866   if (new_player_nr < 0)
7867     new_player_nr = 0;
7868   if (new_player_nr > MAX_PLAYERS - 1)
7869     new_player_nr = MAX_PLAYERS - 1;
7870
7871   if (new_player_nr != old_player_nr)
7872   {
7873     input_player_nr = new_player_nr;
7874
7875     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7876   }
7877 }
7878
7879 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7880 {
7881   static int choice = 0;
7882   int x = 0;
7883   int y = choice;
7884   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7885   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7886   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7887   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7888
7889   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7890   {
7891     int i;
7892
7893     for (i = 0; setup_info_input[i].type != 0; i++)
7894     {
7895       // adjust menu structure according to skipped setup entries
7896       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7897       {
7898         pos_empty2--;
7899         pos_end--;
7900       }
7901     }
7902   }
7903
7904   if (button == MB_MENU_INITIALIZE)
7905   {
7906     // input setup menu may have changed size due to graphics configuration
7907     if (choice >= pos_empty1)
7908       choice = pos_end;
7909
7910     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7911
7912     DrawCursorAndText_Setup(choice, -1, TRUE);
7913
7914     return;
7915   }
7916   else if (button == MB_MENU_LEAVE)
7917   {
7918     setup_mode = SETUP_MODE_MAIN;
7919     DrawSetupScreen();
7920     InitJoysticks();
7921
7922     return;
7923   }
7924
7925   if (mx || my)         // mouse input
7926   {
7927     x = (mx - mSX) / 32;
7928     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7929   }
7930   else if (dx || dy)    // keyboard input
7931   {
7932     if (dx && choice == 0)
7933       x = (dx < 0 ? 10 : 12);
7934     else if ((dx && choice == 1) ||
7935              (dx == -1 && choice == pos_end))
7936       button = MB_MENU_CHOICE;
7937     else if (dy)
7938       y = choice + dy;
7939
7940     if (y >= pos_empty1 && y <= pos_empty2)
7941       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7942   }
7943
7944   if (y == 0 && dx != 0 && button)
7945   {
7946     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7947   }
7948   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7949            y >= pos_start && y <= pos_end &&
7950            !(y >= pos_empty1 && y <= pos_empty2))
7951   {
7952     if (button)
7953     {
7954       if (y != choice)
7955       {
7956         DrawCursorAndText_Setup(choice, -1, FALSE);
7957         DrawCursorAndText_Setup(y, -1, TRUE);
7958
7959         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7960
7961         choice = y;
7962       }
7963     }
7964     else
7965     {
7966       if (y == 1)
7967       {
7968         char *device_name = setup.input[input_player_nr].joy.device_name;
7969
7970         if (!setup.input[input_player_nr].use_joystick)
7971         {
7972           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7973
7974           setJoystickDeviceToNr(device_name, new_device_nr);
7975           setup.input[input_player_nr].use_joystick = TRUE;
7976         }
7977         else
7978         {
7979           int device_nr = getJoystickNrFromDeviceName(device_name);
7980           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7981
7982           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7983             setup.input[input_player_nr].use_joystick = FALSE;
7984           else
7985             setJoystickDeviceToNr(device_name, new_device_nr);
7986         }
7987
7988         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7989       }
7990       else if (y == 2)
7991       {
7992         if (setup.input[input_player_nr].use_joystick)
7993           ConfigureJoystick(input_player_nr);
7994         else
7995           CustomizeKeyboard(input_player_nr);
7996       }
7997       else if (y == pos_end)
7998       {
7999         InitJoysticks();
8000
8001         FadeSetLeaveMenu();
8002
8003         setup_mode = SETUP_MODE_MAIN;
8004         DrawSetupScreen();
8005       }
8006     }
8007   }
8008 }
8009
8010 static boolean CustomizeKeyboardMain(int player_nr)
8011 {
8012   int i;
8013   int step_nr;
8014   boolean finished = FALSE;
8015   static struct SetupKeyboardInfo custom_key;
8016   static struct
8017   {
8018     Key *key;
8019     char *text;
8020   } customize_step[] =
8021   {
8022     { &custom_key.left,  "Move Left"    },
8023     { &custom_key.right, "Move Right"   },
8024     { &custom_key.up,    "Move Up"      },
8025     { &custom_key.down,  "Move Down"    },
8026     { &custom_key.snap,  "Snap Field"   },
8027     { &custom_key.drop,  "Drop Element" }
8028   };
8029   int font_nr_old = FONT_VALUE_OLD;
8030   int font_nr_new = FONT_VALUE_1;
8031   boolean success = FALSE;
8032
8033   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8034   {
8035     font_nr_old = FONT_VALUE_OLD_NARROW;
8036     font_nr_new = FONT_VALUE_NARROW;
8037   }
8038
8039   // read existing key bindings from player setup
8040   custom_key = setup.input[player_nr].key;
8041
8042   FadeSetEnterMenu();
8043   FadeOut(REDRAW_FIELD);
8044
8045   ClearField();
8046
8047   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8048
8049   step_nr = 0;
8050   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8051            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8052   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8053            "Key:", FONT_INPUT_1_ACTIVE);
8054   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8055            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8056
8057   FadeIn(REDRAW_FIELD);
8058
8059   while (!finished)
8060   {
8061     Event event;
8062
8063     if (NextValidEvent(&event))
8064     {
8065       switch (event.type)
8066       {
8067         case EVENT_KEYPRESS:
8068           {
8069             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8070
8071             // press 'Escape' to abort and keep the old key bindings
8072             if (key == KSYM_Escape)
8073             {
8074               FadeSkipNextFadeIn();
8075
8076               finished = TRUE;
8077
8078               break;
8079             }
8080
8081             // press 'Enter' to keep the existing key binding
8082             if (key == KSYM_Return)
8083               key = *customize_step[step_nr].key;
8084
8085             // check if key already used
8086             for (i = 0; i < step_nr; i++)
8087               if (*customize_step[i].key == key)
8088                 break;
8089             if (i < step_nr)
8090               break;
8091
8092             // got new key binding
8093             *customize_step[step_nr].key = key;
8094             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8095                      "             ", font_nr_new);
8096             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8097                      getKeyNameFromKey(key), font_nr_new);
8098             step_nr++;
8099
8100             // un-highlight last query
8101             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8102                      customize_step[step_nr - 1].text, FONT_MENU_1);
8103             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8104                      "Key:", FONT_MENU_1);
8105
8106             // all keys configured
8107             if (step_nr == 6)
8108             {
8109               finished = TRUE;
8110               success = TRUE;
8111
8112               break;
8113             }
8114
8115             // query next key binding
8116             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8117                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8118             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8119                      "Key:", FONT_INPUT_1_ACTIVE);
8120             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8121                      getKeyNameFromKey(*customize_step[step_nr].key),
8122                      font_nr_old);
8123           }
8124           break;
8125
8126         case EVENT_KEYRELEASE:
8127           key_joystick_mapping = 0;
8128           break;
8129
8130         default:
8131           HandleOtherEvents(&event);
8132           break;
8133       }
8134     }
8135
8136     BackToFront();
8137   }
8138
8139   // write new key bindings back to player setup, if successfully finished
8140   if (success)
8141     setup.input[player_nr].key = custom_key;
8142
8143   return success;
8144 }
8145
8146 void CustomizeKeyboard(int player_nr)
8147 {
8148   boolean success = CustomizeKeyboardMain(player_nr);
8149
8150   if (success)
8151   {
8152     int font_nr = FONT_TITLE_1;
8153     int font_height = getFontHeight(font_nr);
8154     int ypos1 = SYSIZE / 2 - font_height * 2;
8155     int ypos2 = SYSIZE / 2 - font_height * 1;
8156     unsigned int wait_frame_delay = 0;
8157     unsigned int wait_frame_delay_value = 2000;
8158
8159     ResetDelayCounter(&wait_frame_delay);
8160
8161     ClearField();
8162
8163     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8164     DrawTextSCentered(ypos2, font_nr, "configured!");
8165
8166     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8167       BackToFront();
8168
8169     ClearEventQueue();
8170   }
8171
8172   DrawSetupScreen_Input();
8173 }
8174
8175 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8176
8177 #define MARKER_BUTTON           1
8178 #define MARKER_AXIS_X           2
8179 #define MARKER_AXIS_Y           3
8180
8181 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8182 {
8183   static boolean bitmaps_initialized = FALSE;
8184   boolean screen_initialized = FALSE;
8185   static Bitmap *controller, *button, *axis_x, *axis_y;
8186   char *name;
8187   boolean success = TRUE;
8188   boolean done = FALSE, next = FALSE;
8189   Event event;
8190   int alpha = 200, alpha_step = -1;
8191   int alpha_ticks = 0;
8192   char mapping[4096], temp[256];
8193   int font_name = MENU_SETUP_FONT_TITLE;
8194   int font_info = MENU_SETUP_FONT_TEXT;
8195   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8196   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8197   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8198   int ystep_name = getMenuTextStep(spacing_name, font_name);
8199   int ystep_line = getMenuTextStep(spacing_line, font_info);
8200   int ystep_para = getMenuTextStep(spacing_para, font_info);
8201   int i, j;
8202
8203   struct
8204   {
8205     int x, y;
8206     int marker;
8207     char *field;
8208     int axis, button, hat, hat_value;
8209     char mapping[4096];
8210   }
8211   *step, *prev_step, steps[] =
8212   {
8213     { 356, 155, MARKER_BUTTON, "a",             },
8214     { 396, 122, MARKER_BUTTON, "b",             },
8215     { 320, 125, MARKER_BUTTON, "x",             },
8216     { 358,  95, MARKER_BUTTON, "y",             },
8217     { 162, 125, MARKER_BUTTON, "back",          },
8218     { 216, 125, MARKER_BUTTON, "guide",         },
8219     { 271, 125, MARKER_BUTTON, "start",         },
8220     { 110, 200, MARKER_BUTTON, "dpleft",        },
8221     { 146, 228, MARKER_BUTTON, "dpdown",        },
8222     { 178, 200, MARKER_BUTTON, "dpright",       },
8223     { 146, 172, MARKER_BUTTON, "dpup",          },
8224     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8225     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8226     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8227     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8228     {  73, 141, MARKER_BUTTON, "leftstick",     },
8229     { 282, 210, MARKER_BUTTON, "rightstick",    },
8230     {  73, 141, MARKER_AXIS_X, "leftx",         },
8231     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8232     { 282, 210, MARKER_AXIS_X, "rightx",        },
8233     { 282, 210, MARKER_AXIS_Y, "righty",        },
8234   };
8235
8236   unsigned int event_frame_delay = 0;
8237   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8238
8239   ResetDelayCounter(&event_frame_delay);
8240
8241   if (!bitmaps_initialized)
8242   {
8243     controller = LoadCustomImage("joystick/controller.png");
8244     button     = LoadCustomImage("joystick/button.png");
8245     axis_x     = LoadCustomImage("joystick/axis_x.png");
8246     axis_y     = LoadCustomImage("joystick/axis_y.png");
8247
8248     bitmaps_initialized = TRUE;
8249   }
8250
8251   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8252
8253 #if DEBUG_JOYSTICKS
8254   // print info about the joystick we are watching
8255   Debug("joystick", "watching joystick %d: (%s)",
8256         SDL_JoystickInstanceID(joystick), name);
8257   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8258         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8259         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8260 #endif
8261
8262   // initialize mapping with GUID and name
8263   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8264
8265   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8266            temp, name, SDL_GetPlatform());
8267
8268   // loop through all steps (buttons and axes), getting joystick events
8269   for (i = 0; i < SDL_arraysize(steps) && !done;)
8270   {
8271     Bitmap *marker = button;    // initialize with reliable default value
8272
8273     step = &steps[i];
8274     strcpy(step->mapping, mapping);
8275     step->axis = -1;
8276     step->button = -1;
8277     step->hat = -1;
8278     step->hat_value = -1;
8279
8280     marker = (step->marker == MARKER_BUTTON ? button :
8281               step->marker == MARKER_AXIS_X ? axis_x :
8282               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8283
8284     next = FALSE;
8285
8286     while (!done && !next)
8287     {
8288       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8289       alpha_ticks = SDL_GetTicks();
8290
8291       if (alpha >= 255)
8292       {
8293         alpha = 255;
8294         alpha_step = -1;
8295       }
8296       else if (alpha < 128)
8297       {
8298         alpha = 127;
8299         alpha_step = 1;
8300       }
8301
8302       int controller_x = SX + (SXSIZE - controller->width) / 2;
8303       int controller_y = SY + ystep_line;
8304
8305       int marker_x = controller_x + step->x;
8306       int marker_y = controller_y + step->y;
8307
8308       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8309       int ystart2 = ystart1 + ystep_name + ystep_line;
8310
8311       ClearField();
8312
8313       DrawTextSCentered(ystart1, font_name, name);
8314
8315       DrawTextSCentered(ystart2, font_info,
8316                         "Press buttons and move axes on");
8317       ystart2 += ystep_line;
8318       DrawTextSCentered(ystart2, font_info,
8319                         "your controller when indicated.");
8320       ystart2 += ystep_line;
8321       DrawTextSCentered(ystart2, font_info,
8322                         "(Your controller may look different.)");
8323       ystart2 += ystep_para;
8324
8325 #if defined(PLATFORM_ANDROID)
8326       DrawTextSCentered(ystart2, font_info,
8327                         "To correct a mistake,");
8328       ystart2 += ystep_line;
8329       DrawTextSCentered(ystart2, font_info,
8330                         "press the 'back' button.");
8331       ystart2 += ystep_line;
8332       DrawTextSCentered(ystart2, font_info,
8333                         "To skip a button or axis,");
8334       ystart2 += ystep_line;
8335       DrawTextSCentered(ystart2, font_info,
8336                         "press the 'menu' button.");
8337 #else
8338       DrawTextSCentered(ystart2, font_info,
8339                         "To correct a mistake,");
8340       ystart2 += ystep_line;
8341       DrawTextSCentered(ystart2, font_info,
8342                         "press the 'backspace' key.");
8343       ystart2 += ystep_line;
8344       DrawTextSCentered(ystart2, font_info,
8345                         "To skip a button or axis,");
8346       ystart2 += ystep_line;
8347       DrawTextSCentered(ystart2, font_info,
8348                         "press the 'return' key.");
8349       ystart2 += ystep_line;
8350       DrawTextSCentered(ystart2, font_info,
8351                         "To exit, press the 'escape' key.");
8352 #endif
8353
8354       BlitBitmapMasked(controller, drawto, 0, 0,
8355                        controller->width, controller->height,
8356                        controller_x, controller_y);
8357
8358       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8359       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8360
8361       BlitBitmapMasked(marker, drawto, 0, 0,
8362                        marker->width, marker->height,
8363                        marker_x, marker_y);
8364
8365       if (!screen_initialized)
8366         FadeIn(REDRAW_FIELD);
8367       else
8368         BackToFront();
8369
8370       screen_initialized = TRUE;
8371
8372       while (NextValidEvent(&event))
8373       {
8374         switch (event.type)
8375         {
8376           case SDL_JOYAXISMOTION:
8377             if (event.jaxis.value > 20000 ||
8378                 event.jaxis.value < -20000)
8379             {
8380               for (j = 0; j < i; j++)
8381                 if (steps[j].axis == event.jaxis.axis)
8382                   break;
8383
8384               if (j == i)
8385               {
8386                 if (step->marker != MARKER_AXIS_X &&
8387                     step->marker != MARKER_AXIS_Y)
8388                   break;
8389
8390                 step->axis = event.jaxis.axis;
8391                 strcat(mapping, step->field);
8392                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8393                 strcat(mapping, temp);
8394                 i++;
8395                 next = TRUE;
8396               }
8397             }
8398
8399             break;
8400
8401           case SDL_JOYHATMOTION:
8402             // ignore centering; we're probably just coming back
8403             // to the center from the previous item we set
8404             if (event.jhat.value == SDL_HAT_CENTERED)
8405               break;
8406
8407             for (j = 0; j < i; j++)
8408               if (steps[j].hat == event.jhat.hat &&
8409                   steps[j].hat_value == event.jhat.value)
8410                 break;
8411
8412             if (j == i)
8413             {
8414               step->hat = event.jhat.hat;
8415               step->hat_value = event.jhat.value;
8416               strcat(mapping, step->field);
8417               snprintf(temp, sizeof(temp), ":h%u.%u,",
8418                        event.jhat.hat, event.jhat.value );
8419               strcat(mapping, temp);
8420               i++;
8421               next = TRUE;
8422             }
8423
8424             break;
8425
8426           case SDL_JOYBALLMOTION:
8427             break;
8428
8429           case SDL_JOYBUTTONUP:
8430             for (j = 0; j < i; j++)
8431               if (steps[j].button == event.jbutton.button)
8432                 break;
8433
8434             if (j == i)
8435             {
8436               step->button = event.jbutton.button;
8437               strcat(mapping, step->field);
8438               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8439               strcat(mapping, temp);
8440               i++;
8441               next = TRUE;
8442             }
8443
8444             break;
8445
8446           case SDL_FINGERDOWN:
8447           case SDL_MOUSEBUTTONDOWN:
8448             // skip this step
8449             i++;
8450             next = TRUE;
8451
8452             break;
8453
8454           case SDL_KEYDOWN:
8455             if (event.key.keysym.sym == KSYM_BackSpace ||
8456                 event.key.keysym.sym == KSYM_Back)
8457             {
8458               if (i == 0)
8459               {
8460                 // leave screen
8461                 success = FALSE;
8462                 done = TRUE;
8463
8464                 break;
8465               }
8466
8467               // undo this step
8468               prev_step = &steps[i - 1];
8469               strcpy(mapping, prev_step->mapping);
8470               i--;
8471               next = TRUE;
8472
8473               break;
8474             }
8475
8476             if (event.key.keysym.sym == KSYM_space ||
8477                 event.key.keysym.sym == KSYM_Return ||
8478                 event.key.keysym.sym == KSYM_Menu)
8479             {
8480               // skip this step
8481               i++;
8482               next = TRUE;
8483
8484               break;
8485             }
8486
8487             if (event.key.keysym.sym == KSYM_Escape)
8488             {
8489               // leave screen
8490               success = FALSE;
8491               done = TRUE;
8492             }
8493
8494             break;
8495
8496           case SDL_QUIT:
8497             program.exit_function(0);
8498             break;
8499
8500           default:
8501             break;
8502         }
8503
8504         // do not handle events for longer than standard frame delay period
8505         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8506           break;
8507       }
8508     }
8509   }
8510
8511   if (success)
8512   {
8513 #if DEBUG_JOYSTICKS
8514     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8515 #endif
8516
8517     // activate mapping for this game
8518     SDL_GameControllerAddMapping(mapping);
8519
8520     // save mapping to personal mappings
8521     SaveSetup_AddGameControllerMapping(mapping);
8522   }
8523
8524   // wait until the last pending event was removed from event queue
8525   while (NextValidEvent(&event));
8526
8527   return success;
8528 }
8529
8530 static int ConfigureJoystickMain(int player_nr)
8531 {
8532   char *device_name = setup.input[player_nr].joy.device_name;
8533   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8534   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8535   int success = FALSE;
8536   int i;
8537
8538   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8539     return JOYSTICK_NOT_AVAILABLE;
8540
8541   if (!joystick_active || !setup.input[player_nr].use_joystick)
8542     return JOYSTICK_NOT_AVAILABLE;
8543
8544   FadeSetEnterMenu();
8545   FadeOut(REDRAW_FIELD);
8546
8547   // close all joystick devices (potentially opened as game controllers)
8548   for (i = 0; i < SDL_NumJoysticks(); i++)
8549     SDLCloseJoystick(i);
8550
8551   // open joystick device as plain joystick to configure as game controller
8552   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8553
8554   // as the joystick was successfully opened before, this should not happen
8555   if (joystick == NULL)
8556     return FALSE;
8557
8558   // create new game controller mapping (buttons and axes) for joystick device
8559   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8560
8561   // close joystick (and maybe re-open as configured game controller later)
8562   SDL_JoystickClose(joystick);
8563
8564   // re-open all joystick devices (potentially as game controllers)
8565   for (i = 0; i < SDL_NumJoysticks(); i++)
8566     SDLOpenJoystick(i);
8567
8568   // clear all joystick input actions for all joystick devices
8569   SDLClearJoystickState();
8570
8571   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8572 }
8573
8574 void ConfigureJoystick(int player_nr)
8575 {
8576   boolean state = ConfigureJoystickMain(player_nr);
8577
8578   if (state != JOYSTICK_NOT_CONFIGURED)
8579   {
8580     boolean success = (state == JOYSTICK_CONFIGURED);
8581     char message1[MAX_OUTPUT_LINESIZE + 1];
8582     char *message2 = (success ? "configured!" : "not available!");
8583     char *device_name = setup.input[player_nr].joy.device_name;
8584     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8585     int font_nr = FONT_TITLE_1;
8586     int font_height = getFontHeight(font_nr);
8587     int ypos1 = SYSIZE / 2 - font_height * 2;
8588     int ypos2 = SYSIZE / 2 - font_height * 1;
8589     unsigned int wait_frame_delay = 0;
8590     unsigned int wait_frame_delay_value = 2000;
8591
8592     ResetDelayCounter(&wait_frame_delay);
8593
8594     ClearField();
8595
8596     sprintf(message1, "Joystick %d", nr);
8597
8598     DrawTextSCentered(ypos1, font_nr, message1);
8599     DrawTextSCentered(ypos2, font_nr, message2);
8600
8601     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8602       BackToFront();
8603
8604     ClearEventQueue();
8605   }
8606
8607   DrawSetupScreen_Input();
8608 }
8609
8610 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8611 {
8612   if (y < video.screen_height / 3)
8613   {
8614     // remap touch gadgets to access upper part of the screen
8615     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8616     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8617   }
8618   else if (y > 2 * video.screen_height / 3)
8619   {
8620     // remap touch gadgets to access lower part of the screen
8621     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8622     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8623   }
8624 }
8625
8626 static boolean ConfigureVirtualButtonsMain(void)
8627 {
8628   static char *customize_step_text[] =
8629   {
8630     "Move Left",
8631     "Move Right",
8632     "Move Up",
8633     "Move Down",
8634     "Snap Field",
8635     "Drop Element"
8636   };
8637   char grid_button[] =
8638   {
8639     CHAR_GRID_BUTTON_LEFT,
8640     CHAR_GRID_BUTTON_RIGHT,
8641     CHAR_GRID_BUTTON_UP,
8642     CHAR_GRID_BUTTON_DOWN,
8643     CHAR_GRID_BUTTON_SNAP,
8644     CHAR_GRID_BUTTON_DROP
8645   };
8646   enum
8647   {
8648     ACTION_NONE,
8649     ACTION_ESCAPE,
8650     ACTION_BACK,
8651     ACTION_NEXT
8652   };
8653   int font_nr = FONT_INPUT_1_ACTIVE;
8654   int font_height = getFontHeight(font_nr);
8655   int ypos1 = SYSIZE / 2 - font_height * 2;
8656   int ypos2 = SYSIZE / 2 - font_height * 1;
8657   boolean success = FALSE;
8658   boolean finished = FALSE;
8659   int step_nr = 0;
8660   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8661   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8662   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8663   boolean set_grid_button = FALSE;
8664   int nr = GRID_ACTIVE_NR();
8665   int x, y;
8666
8667   for (x = 0; x < MAX_GRID_XSIZE; x++)
8668     for (y = 0; y < MAX_GRID_YSIZE; y++)
8669       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8670
8671   overlay.grid_button_highlight = grid_button[step_nr];
8672
8673   UnmapAllGadgets();
8674
8675   FadeSetEnterMenu();
8676   FadeOut(REDRAW_FIELD);
8677
8678   ClearField();
8679
8680   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8681   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8682   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8683
8684   FadeIn(REDRAW_FIELD);
8685
8686   SetOverlayShowGrid(TRUE);
8687
8688   // map gadgets for setup touch buttons menu screen
8689   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8690
8691   while (!finished)
8692   {
8693     Event event;
8694
8695     while (NextValidEvent(&event))
8696     {
8697       int action = ACTION_NONE;
8698
8699       // ---------- handle events and set the resulting action ----------
8700
8701       switch (event.type)
8702       {
8703         case EVENT_USER:
8704           {
8705             UserEvent *user = (UserEvent *)&event;
8706             int id = user->value1;
8707
8708             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8709                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8710                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8711                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8712                       ACTION_NONE);
8713           }
8714           break;
8715
8716         case EVENT_KEYPRESS:
8717           {
8718             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8719
8720             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8721                       key == KSYM_BackSpace ||
8722                       key == KSYM_Back ?        ACTION_BACK :
8723                       key == KSYM_Return ||
8724                       key == KSYM_Menu ||
8725                       key == KSYM_space ?       ACTION_NEXT :
8726                       ACTION_NONE);
8727           }
8728           break;
8729
8730         case EVENT_KEYRELEASE:
8731           key_joystick_mapping = 0;
8732           break;
8733
8734         case EVENT_BUTTONPRESS:
8735         case EVENT_BUTTONRELEASE:
8736           {
8737             ButtonEvent *button = (ButtonEvent *)&event;
8738
8739             motion_status = FALSE;
8740
8741             if (button->type == EVENT_BUTTONPRESS)
8742               button_status = button->button;
8743             else
8744               button_status = MB_RELEASED;
8745
8746             if (HandleGadgets(button->x, button->y, button_status))
8747             {
8748               // do not handle this button event anymore
8749               break;
8750             }
8751
8752             button->x += video.screen_xoffset;
8753             button->y += video.screen_yoffset;
8754
8755             x = button->x * overlay.grid_xsize / video.screen_width;
8756             y = button->y * overlay.grid_ysize / video.screen_height;
8757
8758             if (button->type == EVENT_BUTTONPRESS)
8759             {
8760               grid_button_draw =
8761                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8762                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8763
8764               set_grid_button = TRUE;
8765             }
8766
8767             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8768           }
8769           break;
8770
8771         case EVENT_MOTIONNOTIFY:
8772           {
8773             MotionEvent *motion = (MotionEvent *)&event;
8774
8775             motion_status = TRUE;
8776
8777             if (HandleGadgets(motion->x, motion->y, button_status))
8778             {
8779               // do not handle this button event anymore
8780               break;
8781             }
8782
8783             motion->x += video.screen_xoffset;
8784             motion->y += video.screen_yoffset;
8785
8786             x = motion->x * overlay.grid_xsize / video.screen_width;
8787             y = motion->y * overlay.grid_ysize / video.screen_height;
8788
8789             set_grid_button = TRUE;
8790
8791             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8792           }
8793           break;
8794
8795         case SDL_WINDOWEVENT:
8796           HandleWindowEvent((WindowEvent *) &event);
8797
8798           // check if device has been rotated
8799           if (nr != GRID_ACTIVE_NR())
8800           {
8801             nr = GRID_ACTIVE_NR();
8802
8803             for (x = 0; x < MAX_GRID_XSIZE; x++)
8804               for (y = 0; y < MAX_GRID_YSIZE; y++)
8805                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8806                   overlay.grid_button[x][y];
8807           }
8808
8809           break;
8810
8811         case SDL_APP_WILLENTERBACKGROUND:
8812         case SDL_APP_DIDENTERBACKGROUND:
8813         case SDL_APP_WILLENTERFOREGROUND:
8814         case SDL_APP_DIDENTERFOREGROUND:
8815           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8816           break;
8817
8818         default:
8819           HandleOtherEvents(&event);
8820           break;
8821       }
8822
8823       // ---------- perform action set by handling events ----------
8824
8825       if (action == ACTION_ESCAPE)
8826       {
8827         // abort and restore the old key bindings
8828
8829         for (x = 0; x < MAX_GRID_XSIZE; x++)
8830           for (y = 0; y < MAX_GRID_YSIZE; y++)
8831             overlay.grid_button[x][y] = grid_button_old[x][y];
8832
8833         FadeSkipNextFadeIn();
8834
8835         finished = TRUE;
8836       }
8837       else if (action == ACTION_BACK)
8838       {
8839         // keep the configured key bindings and go to previous page
8840
8841         step_nr--;
8842
8843         if (step_nr < 0)
8844         {
8845           FadeSkipNextFadeIn();
8846
8847           finished = TRUE;
8848         }
8849       }
8850       else if (action == ACTION_NEXT)
8851       {
8852         // keep the configured key bindings and go to next page
8853
8854         step_nr++;
8855
8856         // all virtual buttons configured
8857         if (step_nr == 6)
8858         {
8859           finished = TRUE;
8860           success = TRUE;
8861         }
8862       }
8863
8864       if (action != ACTION_NONE && !finished)
8865       {
8866         for (x = 0; x < MAX_GRID_XSIZE; x++)
8867           for (y = 0; y < MAX_GRID_YSIZE; y++)
8868             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8869
8870         overlay.grid_button_highlight = grid_button[step_nr];
8871
8872         // configure next virtual button
8873
8874         ClearField();
8875
8876         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8877         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8878         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8879       }
8880
8881       if (set_grid_button)
8882       {
8883         overlay.grid_button[x][y] =
8884           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8885            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8886            grid_button_tmp[x][y]);
8887
8888         set_grid_button = FALSE;
8889       }
8890     }
8891
8892     BackToFront();
8893   }
8894
8895   for (x = 0; x < MAX_GRID_XSIZE; x++)
8896     for (y = 0; y < MAX_GRID_YSIZE; y++)
8897       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8898
8899   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8900
8901   SetOverlayShowGrid(FALSE);
8902
8903   return success;
8904 }
8905
8906 void ConfigureVirtualButtons(void)
8907 {
8908   boolean success = ConfigureVirtualButtonsMain();
8909
8910   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8911                          SCREEN_MASK_TOUCH2);
8912
8913   if (success)
8914   {
8915     int font_nr = FONT_TITLE_1;
8916     int font_height = getFontHeight(font_nr);
8917     int ypos1 = SYSIZE / 2 - font_height * 2;
8918     int ypos2 = SYSIZE / 2 - font_height * 1;
8919     unsigned int wait_frame_delay = 0;
8920     unsigned int wait_frame_delay_value = 2000;
8921
8922     ResetDelayCounter(&wait_frame_delay);
8923
8924     ClearField();
8925
8926     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8927     DrawTextSCentered(ypos2, font_nr, "configured!");
8928
8929     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8930       BackToFront();
8931
8932     ClearEventQueue();
8933   }
8934 }
8935
8936 void DrawSetupScreen(void)
8937 {
8938   align_xoffset = 0;
8939   align_yoffset = 0;
8940
8941   if (setup_mode == SETUP_MODE_INPUT)
8942     DrawSetupScreen_Input();
8943   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8944     DrawChooseTree(&game_speed_current);
8945   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8946     DrawChooseTree(&scroll_delay_current);
8947   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8948     DrawChooseTree(&snapshot_mode_current);
8949   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8950     DrawChooseTree(&window_size_current);
8951   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8952     DrawChooseTree(&scaling_type_current);
8953   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8954     DrawChooseTree(&rendering_mode_current);
8955   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8956     DrawChooseTree(&vsync_mode_current);
8957   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8958     DrawChooseTree(&artwork.gfx_current);
8959   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8960     DrawChooseTree(&artwork.snd_current);
8961   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8962     DrawChooseTree(&artwork.mus_current);
8963   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8964     DrawChooseTree(&volume_simple_current);
8965   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8966     DrawChooseTree(&volume_loops_current);
8967   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8968     DrawChooseTree(&volume_music_current);
8969   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8970     DrawChooseTree(&touch_control_current);
8971   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8972     DrawChooseTree(&move_distance_current);
8973   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8974     DrawChooseTree(&drop_distance_current);
8975   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8976     DrawChooseTree(&transparency_current);
8977   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8978     DrawChooseTree(&grid_size_current[0][0]);
8979   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8980     DrawChooseTree(&grid_size_current[0][1]);
8981   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8982     DrawChooseTree(&grid_size_current[1][0]);
8983   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8984     DrawChooseTree(&grid_size_current[1][1]);
8985   else
8986     DrawSetupScreen_Generic();
8987
8988   PlayMenuSoundsAndMusic();
8989 }
8990
8991 void RedrawSetupScreenAfterFullscreenToggle(void)
8992 {
8993   if (setup_mode == SETUP_MODE_GRAPHICS ||
8994       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8995   {
8996     // update list selection from "setup.window_scaling_percent"
8997     execSetupGraphics_setWindowSizes(TRUE);
8998
8999     DrawSetupScreen();
9000   }
9001 }
9002
9003 void RedrawSetupScreenAfterScreenRotation(int nr)
9004 {
9005   int x, y;
9006
9007   if (setup_mode == SETUP_MODE_TOUCH)
9008   {
9009     // update virtual button settings (depending on screen orientation)
9010     DrawSetupScreen();
9011   }
9012   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9013   {
9014     // save already configured virtual buttons
9015     for (x = 0; x < MAX_GRID_XSIZE; x++)
9016       for (y = 0; y < MAX_GRID_YSIZE; y++)
9017         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9018   }
9019 }
9020
9021 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9022 {
9023   if (setup_mode == SETUP_MODE_INPUT)
9024     HandleSetupScreen_Input(mx, my, dx, dy, button);
9025   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9026     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9027   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9028     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9029   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9030     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9031   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9032     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9033   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9034     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9035   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9036     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9037   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9038     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9039   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9040     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9041   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9042     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9043   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9044     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9045   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9046     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9047   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9048     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9049   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9050     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9051   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9052     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9053   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9054     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9055   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9056     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9057   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9058     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9059   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9060     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9061   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9062     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9063   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9064     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9065   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9066     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9067   else
9068     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9069 }
9070
9071 void HandleGameActions(void)
9072 {
9073   if (setup.ask_on_game_over)
9074     CheckGameOver();
9075
9076   if (game.restart_game_message != NULL)
9077   {
9078     RequestRestartGame(game.restart_game_message);
9079
9080     return;
9081   }
9082
9083   if (game_status != GAME_MODE_PLAYING)
9084     return;
9085
9086   GameActions();                // main game loop
9087
9088   if (tape.auto_play && !tape.playing)
9089     AutoPlayTapesContinue();    // continue automatically playing next tape
9090 }
9091
9092
9093 // ---------- new screen button stuff --------------------------------------
9094
9095 static struct
9096 {
9097   int gfx_unpressed, gfx_pressed;
9098   struct MenuPosInfo *pos;
9099   boolean *check_value;
9100   int gadget_id;
9101   int screen_mask;
9102   unsigned int event_mask;
9103   boolean is_touch_button;
9104   char *infotext;
9105 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9106 {
9107   {
9108     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9109     &menu.main.button.prev_level, NULL,
9110     SCREEN_CTRL_ID_PREV_LEVEL,
9111     SCREEN_MASK_MAIN,
9112     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9113     FALSE, "previous level"
9114   },
9115   {
9116     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9117     &menu.main.button.next_level, NULL,
9118     SCREEN_CTRL_ID_NEXT_LEVEL,
9119     SCREEN_MASK_MAIN,
9120     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9121     FALSE, "next level"
9122   },
9123   {
9124     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9125     &menu.main.button.first_level, NULL,
9126     SCREEN_CTRL_ID_FIRST_LEVEL,
9127     SCREEN_MASK_MAIN,
9128     GD_EVENT_RELEASED,
9129     FALSE, "first level"
9130   },
9131   {
9132     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9133     &menu.main.button.last_level, NULL,
9134     SCREEN_CTRL_ID_LAST_LEVEL,
9135     SCREEN_MASK_MAIN,
9136     GD_EVENT_RELEASED,
9137     FALSE, "last level"
9138   },
9139   {
9140     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9141     &menu.main.button.level_number, NULL,
9142     SCREEN_CTRL_ID_LEVEL_NUMBER,
9143     SCREEN_MASK_MAIN,
9144     GD_EVENT_RELEASED,
9145     FALSE, "level number"
9146   },
9147   {
9148     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9149     &menu.setup.button.prev_player, NULL,
9150     SCREEN_CTRL_ID_PREV_PLAYER,
9151     SCREEN_MASK_INPUT,
9152     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9153     FALSE, "previous player"
9154   },
9155   {
9156     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9157     &menu.setup.button.next_player, NULL,
9158     SCREEN_CTRL_ID_NEXT_PLAYER,
9159     SCREEN_MASK_INPUT,
9160     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9161     FALSE, "next player"
9162   },
9163   {
9164     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9165     &menu.main.button.insert_solution, NULL,
9166     SCREEN_CTRL_ID_INSERT_SOLUTION,
9167     SCREEN_MASK_MAIN_HAS_SOLUTION,
9168     GD_EVENT_RELEASED,
9169     FALSE, "insert solution tape"
9170   },
9171   {
9172     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9173     &menu.main.button.play_solution, NULL,
9174     SCREEN_CTRL_ID_PLAY_SOLUTION,
9175     SCREEN_MASK_MAIN_HAS_SOLUTION,
9176     GD_EVENT_RELEASED,
9177     FALSE, "play solution tape"
9178   },
9179   {
9180     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9181     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9182     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9183     SCREEN_MASK_MAIN,
9184     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9185     FALSE, "switch ECS/AGA chipset"
9186   },
9187   {
9188     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9189     &menu.setup.button.touch_back, NULL,
9190     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9191     SCREEN_MASK_TOUCH,
9192     GD_EVENT_RELEASED,
9193     TRUE, "previous page"
9194   },
9195   {
9196     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9197     &menu.setup.button.touch_next, NULL,
9198     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9199     SCREEN_MASK_TOUCH,
9200     GD_EVENT_RELEASED,
9201     TRUE, "next page"
9202   },
9203   {
9204     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9205     &menu.setup.button.touch_back2, NULL,
9206     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9207     SCREEN_MASK_TOUCH2,
9208     GD_EVENT_RELEASED,
9209     TRUE, "previous page"
9210   },
9211   {
9212     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9213     &menu.setup.button.touch_next2, NULL,
9214     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9215     SCREEN_MASK_TOUCH2,
9216     GD_EVENT_RELEASED,
9217     TRUE, "next page"
9218   },
9219 };
9220
9221 static struct
9222 {
9223   int gfx_unpressed, gfx_pressed;
9224   int x, y;
9225   int gadget_id;
9226   char *infotext;
9227 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9228 {
9229   {
9230     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9231     -1, -1,     // these values are not constant, but can change at runtime
9232     SCREEN_CTRL_ID_SCROLL_UP,
9233     "scroll up"
9234   },
9235   {
9236     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9237     -1, -1,     // these values are not constant, but can change at runtime
9238     SCREEN_CTRL_ID_SCROLL_DOWN,
9239     "scroll down"
9240   }
9241 };
9242
9243 static struct
9244 {
9245   int gfx_unpressed, gfx_pressed;
9246   int x, y;
9247   int width, height;
9248   int type;
9249   int gadget_id;
9250   char *infotext;
9251 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9252 {
9253   {
9254     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9255     -1, -1,     // these values are not constant, but can change at runtime
9256     -1, -1,     // these values are not constant, but can change at runtime
9257     GD_TYPE_SCROLLBAR_VERTICAL,
9258     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9259     "scroll level series vertically"
9260   }
9261 };
9262
9263 static struct
9264 {
9265   int graphic;
9266   int gadget_id;
9267   int x, y;
9268   int size;
9269   char *value;
9270   char *infotext;
9271 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9272 {
9273   {
9274     IMG_SETUP_INPUT_TEXT,
9275     SCREEN_CTRL_ID_NETWORK_SERVER,
9276     -1, -1,     // these values are not constant, but can change at runtime
9277     MAX_SETUP_TEXT_INPUT_LEN,
9278     network_server_hostname,
9279     "Network Server Hostname / IP"
9280   },
9281 };
9282
9283 static void CreateScreenMenubuttons(void)
9284 {
9285   struct GadgetInfo *gi;
9286   unsigned int event_mask;
9287   int i;
9288
9289   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9290   {
9291     struct MenuPosInfo *pos = menubutton_info[i].pos;
9292     boolean is_touch_button = menubutton_info[i].is_touch_button;
9293     boolean is_check_button = menubutton_info[i].check_value != NULL;
9294     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9295     int gfx_unpressed, gfx_pressed;
9296     int x, y, width, height;
9297     int gd_x1, gd_x2, gd_y1, gd_y2;
9298     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9299     int id = menubutton_info[i].gadget_id;
9300     int type = GD_TYPE_NORMAL_BUTTON;
9301     boolean checked = FALSE;
9302
9303     event_mask = menubutton_info[i].event_mask;
9304
9305     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9306     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9307
9308     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9309     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9310
9311     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9312     gfx_pressed   = menubutton_info[i].gfx_pressed;
9313     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9314     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9315     gd_x1 = graphic_info[gfx_unpressed].src_x;
9316     gd_y1 = graphic_info[gfx_unpressed].src_y;
9317     gd_x2 = graphic_info[gfx_pressed].src_x;
9318     gd_y2 = graphic_info[gfx_pressed].src_y;
9319     gd_x1a = gd_x1;
9320     gd_y1a = gd_y1;
9321     gd_x2a = gd_x2;
9322     gd_y2a = gd_y2;
9323
9324     if (is_touch_button)
9325     {
9326       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9327       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9328     }
9329
9330     if (is_check_button)
9331     {
9332       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9333       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9334       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9335       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9336
9337       type = GD_TYPE_CHECK_BUTTON;
9338       checked = *menubutton_info[i].check_value;
9339     }
9340
9341     gi = CreateGadget(GDI_CUSTOM_ID, id,
9342                       GDI_CUSTOM_TYPE_ID, i,
9343                       GDI_IMAGE_ID, gfx_unpressed,
9344                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9345                       GDI_X, x,
9346                       GDI_Y, y,
9347                       GDI_WIDTH, width,
9348                       GDI_HEIGHT, height,
9349                       GDI_TYPE, type,
9350                       GDI_STATE, GD_BUTTON_UNPRESSED,
9351                       GDI_CHECKED, checked,
9352                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9353                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9354                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9355                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9356                       GDI_DIRECT_DRAW, FALSE,
9357                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9358                       GDI_EVENT_MASK, event_mask,
9359                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9360                       GDI_END);
9361
9362     if (gi == NULL)
9363       Fail("cannot create gadget");
9364
9365     screen_gadget[id] = gi;
9366   }
9367 }
9368
9369 static void CreateScreenScrollbuttons(void)
9370 {
9371   struct GadgetInfo *gi;
9372   unsigned int event_mask;
9373   int i;
9374
9375   // these values are not constant, but can change at runtime
9376   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9377   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9378   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9379   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9380
9381   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9382   {
9383     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9384     int gfx_unpressed, gfx_pressed;
9385     int x, y, width, height;
9386     int gd_x1, gd_x2, gd_y1, gd_y2;
9387     int id = scrollbutton_info[i].gadget_id;
9388
9389     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9390
9391     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9392     y = mSY + scrollbutton_info[i].y;
9393     width = SC_SCROLLBUTTON_XSIZE;
9394     height = SC_SCROLLBUTTON_YSIZE;
9395
9396     // correct scrollbar position if placed outside menu (playfield) area
9397     if (x > SX + SC_SCROLL_UP_XPOS)
9398       x = SX + SC_SCROLL_UP_XPOS;
9399
9400     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9401       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9402                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9403
9404     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9405     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9406     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9407     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9408     gd_x1 = graphic_info[gfx_unpressed].src_x;
9409     gd_y1 = graphic_info[gfx_unpressed].src_y;
9410     gd_x2 = graphic_info[gfx_pressed].src_x;
9411     gd_y2 = graphic_info[gfx_pressed].src_y;
9412
9413     gi = CreateGadget(GDI_CUSTOM_ID, id,
9414                       GDI_CUSTOM_TYPE_ID, i,
9415                       GDI_IMAGE_ID, gfx_unpressed,
9416                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9417                       GDI_X, x,
9418                       GDI_Y, y,
9419                       GDI_WIDTH, width,
9420                       GDI_HEIGHT, height,
9421                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9422                       GDI_STATE, GD_BUTTON_UNPRESSED,
9423                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9424                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9425                       GDI_DIRECT_DRAW, FALSE,
9426                       GDI_EVENT_MASK, event_mask,
9427                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9428                       GDI_END);
9429
9430     if (gi == NULL)
9431       Fail("cannot create gadget");
9432
9433     screen_gadget[id] = gi;
9434   }
9435 }
9436
9437 static void CreateScreenScrollbars(void)
9438 {
9439   int i;
9440
9441   // these values are not constant, but can change at runtime
9442   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9443   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9444   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9445   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9446
9447   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9448   {
9449     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9450     int gfx_unpressed, gfx_pressed;
9451     int x, y, width, height;
9452     int gd_x1, gd_x2, gd_y1, gd_y2;
9453     struct GadgetInfo *gi;
9454     int items_max, items_visible, item_position;
9455     unsigned int event_mask;
9456     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9457     int id = scrollbar_info[i].gadget_id;
9458
9459     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9460
9461     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9462     y = mSY + scrollbar_info[i].y;
9463     width  = scrollbar_info[i].width;
9464     height = scrollbar_info[i].height;
9465
9466     // correct scrollbar position if placed outside menu (playfield) area
9467     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9468       x = SX + SC_SCROLL_VERTICAL_XPOS;
9469
9470     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9471       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9472
9473     items_max = num_page_entries;
9474     items_visible = num_page_entries;
9475     item_position = 0;
9476
9477     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9478     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9479     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9480     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9481     gd_x1 = graphic_info[gfx_unpressed].src_x;
9482     gd_y1 = graphic_info[gfx_unpressed].src_y;
9483     gd_x2 = graphic_info[gfx_pressed].src_x;
9484     gd_y2 = graphic_info[gfx_pressed].src_y;
9485
9486     gi = CreateGadget(GDI_CUSTOM_ID, id,
9487                       GDI_CUSTOM_TYPE_ID, i,
9488                       GDI_IMAGE_ID, gfx_unpressed,
9489                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9490                       GDI_X, x,
9491                       GDI_Y, y,
9492                       GDI_WIDTH, width,
9493                       GDI_HEIGHT, height,
9494                       GDI_TYPE, scrollbar_info[i].type,
9495                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9496                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9497                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9498                       GDI_WHEEL_AREA_X, SX,
9499                       GDI_WHEEL_AREA_Y, SY,
9500                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9501                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9502                       GDI_STATE, GD_BUTTON_UNPRESSED,
9503                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9504                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9505                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9506                       GDI_DIRECT_DRAW, FALSE,
9507                       GDI_EVENT_MASK, event_mask,
9508                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9509                       GDI_END);
9510
9511     if (gi == NULL)
9512       Fail("cannot create gadget");
9513
9514     screen_gadget[id] = gi;
9515   }
9516 }
9517
9518 static void CreateScreenTextInputGadgets(void)
9519 {
9520   int i;
9521
9522   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9523   {
9524     int graphic = textinput_info[i].graphic;
9525     struct GraphicInfo *gd = &graphic_info[graphic];
9526     int gd_x1 = gd->src_x;
9527     int gd_y1 = gd->src_y;
9528     int gd_x2 = gd->src_x + gd->active_xoffset;
9529     int gd_y2 = gd->src_y + gd->active_yoffset;
9530     struct GadgetInfo *gi;
9531     unsigned int event_mask;
9532     int id = textinput_info[i].gadget_id;
9533     int x = textinput_info[i].x;
9534     int y = textinput_info[i].y;
9535
9536     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9537
9538     gi = CreateGadget(GDI_CUSTOM_ID, id,
9539                       GDI_CUSTOM_TYPE_ID, i,
9540                       GDI_INFO_TEXT, textinput_info[i].infotext,
9541                       GDI_X, SX + x,
9542                       GDI_Y, SY + y,
9543                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9544                       GDI_TEXT_VALUE, textinput_info[i].value,
9545                       GDI_TEXT_SIZE, textinput_info[i].size,
9546                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9547                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9548                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9549                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9550                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9551                       GDI_DESIGN_WIDTH, gd->width,
9552                       GDI_EVENT_MASK, event_mask,
9553                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9554                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9555                       GDI_END);
9556
9557     if (gi == NULL)
9558       Fail("cannot create gadget");
9559
9560     screen_gadget[id] = gi;
9561   }
9562 }
9563
9564 void CreateScreenGadgets(void)
9565 {
9566   CreateScreenMenubuttons();
9567
9568   CreateScreenScrollbuttons();
9569   CreateScreenScrollbars();
9570
9571   CreateScreenTextInputGadgets();
9572 }
9573
9574 void FreeScreenGadgets(void)
9575 {
9576   int i;
9577
9578   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9579     FreeGadget(screen_gadget[i]);
9580 }
9581
9582 static void MapScreenMenuGadgets(int screen_mask)
9583 {
9584   int i;
9585
9586   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9587     if (screen_mask & menubutton_info[i].screen_mask)
9588       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9589 }
9590
9591 static void UnmapScreenMenuGadgets(int screen_mask)
9592 {
9593   int i;
9594
9595   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9596   {
9597     if (screen_mask & menubutton_info[i].screen_mask)
9598     {
9599       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9600
9601       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9602         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9603                        screen_gadget[menubutton_info[i].gadget_id]->y,
9604                        screen_gadget[menubutton_info[i].gadget_id]->width,
9605                        screen_gadget[menubutton_info[i].gadget_id]->height);
9606     }
9607   }
9608 }
9609
9610 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9611 {
9612   if (map_gadgets)
9613     MapScreenMenuGadgets(screen_mask);
9614   else
9615     UnmapScreenMenuGadgets(screen_mask);
9616 }
9617
9618 static void MapScreenGadgets(int num_entries)
9619 {
9620   int i;
9621
9622   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9623     return;
9624
9625   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9626     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9627
9628   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9629     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9630 }
9631
9632 static void MapScreenTreeGadgets(TreeInfo *ti)
9633 {
9634   MapScreenGadgets(numTreeInfoInGroup(ti));
9635 }
9636
9637 static void HandleScreenGadgets(struct GadgetInfo *gi)
9638 {
9639   int id = gi->custom_id;
9640   int button = gi->event.button;
9641   int step = (button == MB_LEFTBUTTON   ? 1 :
9642               button == MB_MIDDLEBUTTON ? 5 :
9643               button == MB_RIGHTBUTTON  ? 10 : 1);
9644
9645   switch (id)
9646   {
9647     case SCREEN_CTRL_ID_PREV_LEVEL:
9648       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9649       break;
9650
9651     case SCREEN_CTRL_ID_NEXT_LEVEL:
9652       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9653       break;
9654
9655     case SCREEN_CTRL_ID_FIRST_LEVEL:
9656       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9657       break;
9658
9659     case SCREEN_CTRL_ID_LAST_LEVEL:
9660       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9661       break;
9662
9663     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9664       CloseDoor(DOOR_CLOSE_2);
9665       SetGameStatus(GAME_MODE_LEVELNR);
9666       DrawChooseLevelNr();
9667       break;
9668
9669     case SCREEN_CTRL_ID_PREV_PLAYER:
9670       HandleSetupScreen_Input_Player(step, -1);
9671       break;
9672
9673     case SCREEN_CTRL_ID_NEXT_PLAYER:
9674       HandleSetupScreen_Input_Player(step, +1);
9675       break;
9676
9677     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9678       InsertSolutionTape();
9679       break;
9680
9681     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9682       PlaySolutionTape();
9683       break;
9684
9685     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9686       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9687       DrawMainMenu();
9688       break;
9689
9690     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9691     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9692     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9693     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9694       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9695       break;
9696
9697     case SCREEN_CTRL_ID_SCROLL_UP:
9698       if (game_status == GAME_MODE_NAMES)
9699         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9700       else if (game_status == GAME_MODE_LEVELS)
9701         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9702       else if (game_status == GAME_MODE_LEVELNR)
9703         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9704       else if (game_status == GAME_MODE_SETUP)
9705         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9706       else if (game_status == GAME_MODE_INFO)
9707         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9708       break;
9709
9710     case SCREEN_CTRL_ID_SCROLL_DOWN:
9711       if (game_status == GAME_MODE_NAMES)
9712         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9713       else if (game_status == GAME_MODE_LEVELS)
9714         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9715       else if (game_status == GAME_MODE_LEVELNR)
9716         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9717       else if (game_status == GAME_MODE_SETUP)
9718         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9719       else if (game_status == GAME_MODE_INFO)
9720         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9721       break;
9722
9723     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9724       if (game_status == GAME_MODE_NAMES)
9725         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9726       else if (game_status == GAME_MODE_LEVELS)
9727         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9728       else if (game_status == GAME_MODE_LEVELNR)
9729         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9730       else if (game_status == GAME_MODE_SETUP)
9731         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9732       else if (game_status == GAME_MODE_INFO)
9733         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9734       break;
9735
9736     case SCREEN_CTRL_ID_NETWORK_SERVER:
9737     {
9738       if (!strEqual(gi->textinput.value, ""))
9739       {
9740         setString(&setup.network_server_hostname, gi->textinput.value);
9741
9742         network.server_host = setup.network_server_hostname;
9743       }
9744       else
9745       {
9746         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9747
9748         network.server_host = NULL;
9749       }
9750
9751       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9752         network.server_host = NULL;
9753
9754       execSetupGame_setNetworkServerText();
9755
9756       DrawSetupScreen();
9757
9758       break;
9759     }
9760
9761     default:
9762       break;
9763   }
9764 }
9765
9766 void DumpScreenIdentifiers(void)
9767 {
9768   int i;
9769
9770   Print("Active screen elements on current screen:\n");
9771
9772   for (i = 0; main_controls[i].nr != -1; i++)
9773   {
9774     struct MainControlInfo *mci = &main_controls[i];
9775
9776     if (mci->button_graphic != -1)
9777     {
9778       char *token = getTokenFromImageID(mci->button_graphic);
9779
9780       Print("- '%s'\n", token);
9781     }
9782   }
9783
9784   Print("Done.\n");
9785 }
9786
9787 boolean DoScreenAction(int image_id)
9788 {
9789   int i;
9790
9791   if (game_status != GAME_MODE_MAIN)
9792     return FALSE;
9793
9794   for (i = 0; main_controls[i].nr != -1; i++)
9795   {
9796     struct MainControlInfo *mci = &main_controls[i];
9797     struct MenuPosInfo *pos = mci->pos_button;
9798
9799     if (mci->button_graphic == image_id)
9800     {
9801       int x = mSX + pos->x;
9802       int y = mSY + pos->y;
9803
9804       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9805
9806       return TRUE;
9807     }
9808   }
9809
9810   return FALSE;
9811 }
9812
9813 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9814 {
9815   // get tree info node of newly added level or artwork set
9816   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9817   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9818                                                       tree_subdir_new);
9819   if (tree_node_new == NULL)    // should not happen
9820     return;
9821
9822   // if request dialog is active, do nothing
9823   if (game.request_active)
9824     return;
9825
9826   if (game_status == GAME_MODE_MAIN &&
9827       tree_type == TREE_TYPE_LEVEL_DIR)
9828   {
9829     // when adding new level set in main menu, select it as current level set
9830
9831     // change current level set to newly added level set from zip file
9832     leveldir_current = tree_node_new;
9833
9834     // change current level number to first level of newly added level set
9835     level_nr = leveldir_current->first_level;
9836
9837     // redraw screen to reflect changed level set
9838     DrawMainMenu();
9839
9840     // save this level set and level number as last selected level set
9841     SaveLevelSetup_LastSeries();
9842     SaveLevelSetup_SeriesInfo();
9843   }
9844   else if (game_status == GAME_MODE_LEVELS &&
9845            tree_type == TREE_TYPE_LEVEL_DIR)
9846   {
9847     // when adding new level set in level set menu, set cursor and update screen
9848
9849     leveldir_current = tree_node_new;
9850
9851     DrawChooseTree(&leveldir_current);
9852   }
9853   else if (game_status == GAME_MODE_SETUP)
9854   {
9855     // when adding new artwork set in setup menu, set cursor and update screen
9856
9857     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9858         tree_type == TREE_TYPE_GRAPHICS_DIR)
9859     {
9860       artwork.gfx_current = tree_node_new;
9861
9862       DrawChooseTree(&artwork.gfx_current);
9863     }
9864     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9865              tree_type == TREE_TYPE_SOUNDS_DIR)
9866     {
9867       artwork.snd_current = tree_node_new;
9868
9869       DrawChooseTree(&artwork.snd_current);
9870     }
9871     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9872              tree_type == TREE_TYPE_MUSIC_DIR)
9873     {
9874       artwork.mus_current = tree_node_new;
9875
9876       DrawChooseTree(&artwork.mus_current);
9877     }
9878   }
9879 }
9880
9881 static int UploadTapes(void)
9882 {
9883   SetGameStatus(GAME_MODE_LOADING);
9884
9885   FadeSetEnterScreen();
9886   FadeOut(REDRAW_ALL);
9887
9888   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
9889
9890   FadeIn(REDRAW_ALL);
9891
9892   DrawInitTextHead("Uploading tapes");
9893
9894   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
9895   global.autoplay_leveldir = "ALL";
9896   global.autoplay_all = TRUE;
9897
9898   int num_tapes_uploaded = AutoPlayTapes();
9899
9900   global.autoplay_mode = AUTOPLAY_MODE_NONE;
9901   global.autoplay_leveldir = NULL;
9902   global.autoplay_all = FALSE;
9903
9904   SetGameStatus(GAME_MODE_MAIN);
9905
9906   DrawMainMenu();
9907
9908   return num_tapes_uploaded;
9909 }
9910
9911 static boolean OfferUploadTapes(void)
9912 {
9913   if (!Request("Upload all your tapes to the high score server now?", REQ_ASK))
9914     return FALSE;
9915
9916   int num_tapes_uploaded = UploadTapes();
9917   char message[100];
9918
9919   sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
9920
9921   Request(message, REQ_CONFIRM);
9922
9923   // after all tapes have been uploaded, remove entry from setup menu
9924   setup.provide_uploading_tapes = FALSE;
9925
9926   SaveSetup();
9927
9928   return (num_tapes_uploaded > 0);
9929 }
9930
9931 void CheckUploadTapes(void)
9932 {
9933   if (!setup.ask_for_uploading_tapes)
9934     return;
9935
9936   if (directoryExists(getTapeDir(NULL)))
9937   {
9938     boolean tapes_uploaded = OfferUploadTapes();
9939
9940     if (!tapes_uploaded)
9941       Request("You can upload your tapes from the setup menu later!",
9942               REQ_CONFIRM);
9943   }
9944   else
9945   {
9946     // if tapes directory does not exist yet, never offer uploading all tapes
9947     setup.provide_uploading_tapes = FALSE;
9948   }
9949
9950   // after asking for uploading all tapes once, do not ask again
9951   setup.ask_for_uploading_tapes = FALSE;
9952
9953   SaveSetup();
9954 }