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