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