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     if (game_status == GAME_MODE_SETUP)
4359     {
4360       execSetupArtwork();
4361     }
4362     else        // GAME_MODE_LEVELS
4363     {
4364       SetGameStatus(GAME_MODE_MAIN);
4365
4366       DrawMainMenu();
4367     }
4368
4369     return;
4370   }
4371
4372   UnmapAllGadgets();
4373
4374   FreeScreenGadgets();
4375   CreateScreenGadgets();
4376
4377   FadeOut(fade_mask);
4378
4379   // needed if different viewport properties defined for choosing level (set)
4380   ChangeViewportPropertiesIfNeeded();
4381
4382   if (game_status == GAME_MODE_NAMES)
4383     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4384   else if (game_status == GAME_MODE_LEVELNR)
4385     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4386   else if (game_status == GAME_MODE_LEVELS)
4387     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4388
4389   ClearField();
4390
4391   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4392
4393   MapScreenTreeGadgets(*ti_ptr);
4394   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4395
4396   DrawMaskedBorder(fade_mask);
4397
4398   FadeIn(fade_mask);
4399 }
4400
4401 static void drawChooseTreeList(int first_entry, int num_page_entries,
4402                                TreeInfo *ti)
4403 {
4404   int num_entries = numTreeInfoInGroup(ti);
4405   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4406   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4407   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4408   int i;
4409   char *title_string = NULL;
4410   int yoffset_sets = MENU_TITLE1_YPOS;
4411   int yoffset_setup = 16;
4412   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4413                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4414
4415   title_string = ti->infotext;
4416
4417   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4418
4419   clearMenuListArea();
4420
4421   for (i = 0; i < num_page_entries; i++)
4422   {
4423     TreeInfo *node, *node_first;
4424     int entry_pos = first_entry + i;
4425
4426     node_first = getTreeInfoFirstGroupEntry(ti);
4427     node = getTreeInfoFromPos(node_first, entry_pos);
4428
4429     int font_nr = MENU_CHOOSE_TREE_FONT(node->color);
4430     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4431     int xpos = MENU_SCREEN_START_XPOS;
4432     int ypos = MENU_SCREEN_START_YPOS + i;
4433     int startx = amSX + xpos * 32;
4434     int starty = amSY + ypos * 32;
4435     int startx_text = startx + font_xoffset;
4436     int endx_text = amSX + screen_width;
4437     int max_text_size = endx_text - startx_text;
4438     int max_buffer_len = max_text_size / getFontWidth(font_nr);
4439     char buffer[max_buffer_len + 1];
4440
4441     strncpy(buffer, node->name, max_buffer_len);
4442     buffer[max_buffer_len] = '\0';
4443
4444     DrawText(startx, starty, buffer, font_nr);
4445
4446     if (node->parent_link)
4447       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4448     else if (node->level_group)
4449       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4450     else
4451       initCursor(i, IMG_MENU_BUTTON);
4452
4453     if (game_status == GAME_MODE_NAMES)
4454       drawChooseTreeEdit(i, FALSE);
4455   }
4456
4457   redraw_mask |= REDRAW_FIELD;
4458 }
4459
4460 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4461 {
4462   TreeInfo *node, *node_first;
4463   int x, last_redraw_mask = redraw_mask;
4464   int ypos = MENU_TITLE2_YPOS;
4465   int font_nr = FONT_TITLE_2;
4466
4467   if (ti->type == TREE_TYPE_LEVEL_NR)
4468     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4469
4470   if (ti->type != TREE_TYPE_LEVEL_DIR)
4471     return;
4472
4473   node_first = getTreeInfoFirstGroupEntry(ti);
4474   node = getTreeInfoFromPos(node_first, entry_pos);
4475
4476   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4477
4478   if (node->parent_link)
4479     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4480                       node->node_parent->name);
4481   else if (node->level_group)
4482     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4483                       node->name);
4484   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4485     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4486                       node->levels, (node->levels > 1 ? "levels" : "level"),
4487                       node->class_desc);
4488
4489   // let BackToFront() redraw only what is needed
4490   redraw_mask = last_redraw_mask;
4491   for (x = 0; x < SCR_FIELDX; x++)
4492     MarkTileDirty(x, 1);
4493 }
4494
4495 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4496                              TreeInfo **ti_ptr)
4497 {
4498   TreeInfo *ti = *ti_ptr;
4499   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4500   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4501   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4502   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4503   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4504   int x = 0;
4505   int y = ti->cl_cursor;
4506   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4507   int num_entries = numTreeInfoInGroup(ti);
4508   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4509   boolean position_set_by_scrollbar = (dx == 999);
4510
4511   if (button == MB_MENU_INITIALIZE)
4512   {
4513     int num_entries = numTreeInfoInGroup(ti);
4514     int entry_pos = getPosFromTreeInfo(ti);
4515
4516     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4517     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4518
4519     if (ti->cl_first == -1)
4520     {
4521       // only on initialization
4522       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4523       ti->cl_cursor = entry_pos - ti->cl_first;
4524     }
4525     else if (ti->cl_cursor >= num_page_entries ||
4526              (num_entries > num_page_entries &&
4527               num_entries - ti->cl_first < num_page_entries))
4528     {
4529       // only after change of list size (by custom graphic configuration)
4530       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4531       ti->cl_cursor = entry_pos - ti->cl_first;
4532     }
4533
4534     if (position_set_by_scrollbar)
4535       ti->cl_first = dy;
4536     else
4537       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4538                                 ti->cl_first, ti);
4539
4540     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4541     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4542     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4543
4544     return;
4545   }
4546   else if (button == MB_MENU_LEAVE)
4547   {
4548     FadeSetLeaveMenu();
4549
4550     PlaySound(SND_MENU_ITEM_SELECTING);
4551
4552     if (ti->node_parent)
4553     {
4554       *ti_ptr = ti->node_parent;
4555       DrawChooseTree(ti_ptr);
4556     }
4557     else if (game_status == GAME_MODE_SETUP)
4558     {
4559       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4560           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4561           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4562         execSetupGame();
4563       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4564                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4565                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4566                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4567         execSetupGraphics();
4568       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4569                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4570                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4571         execSetupSound();
4572       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4573                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4574                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4575                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4576                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4577                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4578                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4579                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4580         execSetupTouch();
4581       else
4582         execSetupArtwork();
4583     }
4584     else
4585     {
4586       if (game_status == GAME_MODE_LEVELNR)
4587       {
4588         int new_level_nr = atoi(level_number_current->identifier);
4589
4590         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4591       }
4592
4593       SetGameStatus(GAME_MODE_MAIN);
4594
4595       DrawMainMenu();
4596     }
4597
4598     return;
4599   }
4600
4601   if (mx || my)         // mouse input
4602   {
4603     x = (mx - amSX) / 32;
4604     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4605
4606     if (game_status == GAME_MODE_NAMES)
4607       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4608   }
4609   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4610   {
4611     // move cursor instead of scrolling when already at start/end of list
4612     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4613       dy = -1;
4614     else if (dy == +1 * SCROLL_LINE &&
4615              ti->cl_first + num_page_entries == num_entries)
4616       dy = 1;
4617
4618     // handle scrolling screen one line or page
4619     if (ti->cl_cursor + dy < 0 ||
4620         ti->cl_cursor + dy > num_page_entries - 1)
4621     {
4622       boolean redraw = FALSE;
4623
4624       if (ABS(dy) == SCROLL_PAGE)
4625         step = num_page_entries - 1;
4626
4627       if (dy < 0 && ti->cl_first > 0)
4628       {
4629         // scroll page/line up
4630
4631         ti->cl_first -= step;
4632         if (ti->cl_first < 0)
4633           ti->cl_first = 0;
4634
4635         redraw = TRUE;
4636       }
4637       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4638       {
4639         // scroll page/line down
4640
4641         ti->cl_first += step;
4642         if (ti->cl_first + num_page_entries > num_entries)
4643           ti->cl_first = MAX(0, num_entries - num_page_entries);
4644
4645         redraw = TRUE;
4646       }
4647
4648       if (redraw)
4649       {
4650         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4651         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4652         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4653
4654         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4655                                   ti->cl_first, ti);
4656       }
4657
4658       return;
4659     }
4660
4661     // handle moving cursor one line
4662     y = ti->cl_cursor + dy;
4663   }
4664
4665   if (dx == 1)
4666   {
4667     TreeInfo *node_first, *node_cursor;
4668     int entry_pos = ti->cl_first + y;
4669
4670     node_first = getTreeInfoFirstGroupEntry(ti);
4671     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4672
4673     if (node_cursor->node_group)
4674     {
4675       FadeSetEnterMenu();
4676
4677       PlaySound(SND_MENU_ITEM_SELECTING);
4678
4679       node_cursor->cl_first = ti->cl_first;
4680       node_cursor->cl_cursor = ti->cl_cursor;
4681       *ti_ptr = node_cursor->node_group;
4682       DrawChooseTree(ti_ptr);
4683
4684       return;
4685     }
4686   }
4687   else if (dx == -1 && ti->node_parent)
4688   {
4689     FadeSetLeaveMenu();
4690
4691     PlaySound(SND_MENU_ITEM_SELECTING);
4692
4693     *ti_ptr = ti->node_parent;
4694     DrawChooseTree(ti_ptr);
4695
4696     return;
4697   }
4698
4699   if (!anyScrollbarGadgetActive() &&
4700       IN_VIS_MENU(x, y) &&
4701       mx < mx_right_border &&
4702       y >= 0 && y < num_page_entries)
4703   {
4704     if (button)
4705     {
4706       if (game_status == GAME_MODE_NAMES)
4707       {
4708         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4709           drawChooseTreeEdit(y, TRUE);
4710       }
4711
4712       if (y != ti->cl_cursor)
4713       {
4714         PlaySound(SND_MENU_ITEM_ACTIVATING);
4715
4716         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4717         drawChooseTreeCursor(y, TRUE);
4718         drawChooseTreeInfo(ti->cl_first + y, ti);
4719
4720         ti->cl_cursor = y;
4721       }
4722       else if (dx < 0)
4723       {
4724         if (game_status == GAME_MODE_SETUP)
4725         {
4726           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4727               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4728               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4729             execSetupGame();
4730           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4731                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4732                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4733                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4734             execSetupGraphics();
4735           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4736                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4737                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4738             execSetupSound();
4739           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4740                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4741                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4742                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4743                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4744                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4745                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4746                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4747             execSetupTouch();
4748           else
4749             execSetupArtwork();
4750         }
4751       }
4752     }
4753     else
4754     {
4755       TreeInfo *node_first, *node_cursor;
4756       int entry_pos = ti->cl_first + y;
4757
4758       PlaySound(SND_MENU_ITEM_SELECTING);
4759
4760       node_first = getTreeInfoFirstGroupEntry(ti);
4761       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4762
4763       if (node_cursor->node_group)
4764       {
4765         FadeSetEnterMenu();
4766
4767         node_cursor->cl_first = ti->cl_first;
4768         node_cursor->cl_cursor = ti->cl_cursor;
4769         *ti_ptr = node_cursor->node_group;
4770         DrawChooseTree(ti_ptr);
4771       }
4772       else if (node_cursor->parent_link)
4773       {
4774         FadeSetLeaveMenu();
4775
4776         *ti_ptr = node_cursor->node_parent;
4777         DrawChooseTree(ti_ptr);
4778       }
4779       else
4780       {
4781         FadeSetEnterMenu();
4782
4783         node_cursor->cl_first = ti->cl_first;
4784         node_cursor->cl_cursor = ti->cl_cursor;
4785         *ti_ptr = node_cursor;
4786
4787         if (ti->type == TREE_TYPE_LEVEL_DIR)
4788         {
4789           LoadLevelSetup_SeriesInfo();
4790
4791           SaveLevelSetup_LastSeries();
4792           SaveLevelSetup_SeriesInfo();
4793           TapeErase();
4794         }
4795
4796         if (game_status == GAME_MODE_SETUP)
4797         {
4798           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4799               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4800               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4801             execSetupGame();
4802           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4803                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4804                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4805                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4806             execSetupGraphics();
4807           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4808                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4809                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4810             execSetupSound();
4811           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4812                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4813                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4814                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4815                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4816                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4817                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4818                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4819             execSetupTouch();
4820           else
4821             execSetupArtwork();
4822         }
4823         else
4824         {
4825           if (game_status == GAME_MODE_LEVELNR)
4826           {
4827             int new_level_nr = atoi(level_number_current->identifier);
4828
4829             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4830           }
4831           else if (game_status == GAME_MODE_NAMES)
4832           {
4833             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4834             {
4835               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4836
4837               DrawTypeName();
4838
4839               return;
4840             }
4841
4842             // change active user to selected user
4843             user.nr = entry_pos;
4844
4845             // save number of new active user
4846             SaveUserSetup();
4847
4848             // load setup of new active user
4849             LoadSetup();
4850
4851             // load last level set of new active user
4852             LoadLevelSetup_LastSeries();
4853             LoadLevelSetup_SeriesInfo();
4854
4855             TapeErase();
4856
4857             ToggleFullscreenIfNeeded();
4858             ChangeWindowScalingIfNeeded();
4859
4860             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
4861             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
4862             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
4863           }
4864
4865           SetGameStatus(GAME_MODE_MAIN);
4866
4867           DrawMainMenu();
4868         }
4869       }
4870     }
4871   }
4872 }
4873
4874 void DrawChoosePlayerName(void)
4875 {
4876   int i;
4877
4878   FadeMenuSoundsAndMusic();
4879
4880   if (player_name != NULL)
4881   {
4882     freeTreeInfo(player_name);
4883
4884     player_name = NULL;
4885   }
4886
4887   for (i = 0; i < MAX_PLAYER_NAMES; i++)
4888   {
4889     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
4890     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
4891     int value = i;
4892
4893     ti->node_top = &player_name;
4894     ti->sort_priority = 10000 + value;
4895     ti->color = getPlayerNameColor(global.user_names[i]);
4896
4897     snprintf(identifier, sizeof(identifier), "%d", value);
4898     snprintf(name, sizeof(name), "%s", global.user_names[i]);
4899
4900     setString(&ti->identifier, identifier);
4901     setString(&ti->name, name);
4902     setString(&ti->name_sorting, name);
4903
4904     pushTreeInfo(&player_name, ti);
4905   }
4906
4907   // sort player entries by player number
4908   sortTreeInfo(&player_name);
4909
4910   // set current player entry to selected player entry
4911   player_name_current =
4912     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
4913
4914   // if that fails, set current player name to first available name
4915   if (player_name_current == NULL)
4916     player_name_current = player_name;
4917
4918   DrawChooseTree(&player_name_current);
4919
4920   PlayMenuSoundsAndMusic();
4921 }
4922
4923 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
4924 {
4925   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
4926 }
4927
4928 void DrawChooseLevelSet(void)
4929 {
4930   FadeMenuSoundsAndMusic();
4931
4932   DrawChooseTree(&leveldir_current);
4933
4934   PlayMenuSoundsAndMusic();
4935 }
4936
4937 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4938 {
4939   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4940 }
4941
4942 void DrawChooseLevelNr(void)
4943 {
4944   int i;
4945
4946   FadeMenuSoundsAndMusic();
4947
4948   if (level_number != NULL)
4949   {
4950     freeTreeInfo(level_number);
4951
4952     level_number = NULL;
4953   }
4954
4955   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4956   {
4957     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4958     char identifier[32], name[64];
4959     int value = i;
4960
4961     // temporarily load level info to get level name
4962     LoadLevelInfoOnly(i);
4963
4964     ti->node_top = &level_number;
4965     ti->sort_priority = 10000 + value;
4966     ti->color = (level.no_level_file ? FC_BLUE :
4967                  LevelStats_getSolved(i) ? FC_GREEN :
4968                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4969
4970     snprintf(identifier, sizeof(identifier), "%d", value);
4971     snprintf(name, sizeof(name), "%03d: %s", value,
4972              (level.no_level_file ? "(no file)" : level.name));
4973
4974     setString(&ti->identifier, identifier);
4975     setString(&ti->name, name);
4976     setString(&ti->name_sorting, name);
4977
4978     pushTreeInfo(&level_number, ti);
4979   }
4980
4981   // sort level number values to start with lowest level number
4982   sortTreeInfo(&level_number);
4983
4984   // set current level number to current level number
4985   level_number_current =
4986     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4987
4988   // if that also fails, set current level number to first available level
4989   if (level_number_current == NULL)
4990     level_number_current = level_number;
4991
4992   DrawChooseTree(&level_number_current);
4993
4994   PlayMenuSoundsAndMusic();
4995 }
4996
4997 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4998 {
4999   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5000 }
5001
5002 void DrawHallOfFame(int level_nr, int highlight_position)
5003 {
5004   int fade_mask = REDRAW_FIELD;
5005
5006   if (CheckFadeAll())
5007     fade_mask = REDRAW_ALL;
5008
5009   UnmapAllGadgets();
5010   FadeMenuSoundsAndMusic();
5011
5012   // (this is needed when called from GameEnd() after winning a game)
5013   KeyboardAutoRepeatOn();
5014
5015   // (this is needed when called from GameEnd() after winning a game)
5016   SetDrawDeactivationMask(REDRAW_NONE);
5017   SetDrawBackgroundMask(REDRAW_FIELD);
5018
5019   if (highlight_position < 0)
5020     LoadScore(level_nr);
5021   else
5022     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5023
5024   FadeSetEnterScreen();
5025
5026   FadeOut(fade_mask);
5027
5028   // needed if different viewport properties defined for scores
5029   ChangeViewportPropertiesIfNeeded();
5030
5031   PlayMenuSoundsAndMusic();
5032
5033   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5034
5035   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
5036
5037   DrawMaskedBorder(fade_mask);
5038
5039   FadeIn(fade_mask);
5040 }
5041
5042 static void drawHallOfFameList(int level_nr, int first_entry,
5043                                int highlight_position)
5044 {
5045   int i, j;
5046
5047   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5048   ClearField();
5049
5050   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5051   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5052                     "HighScores of Level %d", level_nr);
5053
5054   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5055   {
5056     int entry = first_entry + i;
5057     boolean active = (entry == highlight_position);
5058     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5059     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5060     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5061     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5062     int dxoff = getFontDrawOffsetX(font_nr1);
5063     int dx1 = 3 * getFontWidth(font_nr1);
5064     int dx2 = dx1 + getFontWidth(font_nr1);
5065     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5066     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5067     int sy = mSY + 64 + i * 32;
5068
5069     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
5070     DrawText(mSX + dx1, sy, ".", font_nr1);
5071
5072     for (j = 0; j < num_dots; j++)
5073       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5074
5075     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
5076       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
5077
5078     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
5079   }
5080
5081   redraw_mask |= REDRAW_FIELD;
5082 }
5083
5084 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5085 {
5086   static int level_nr = 0;
5087   static int first_entry = 0;
5088   static int highlight_position = 0;
5089   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5090
5091   if (button == MB_MENU_INITIALIZE)
5092   {
5093     level_nr = mx;
5094     highlight_position = my;
5095
5096     first_entry = highlight_position - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5097
5098     if (first_entry < 0)
5099       first_entry = 0;
5100     else if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5101       first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5102
5103     drawHallOfFameList(level_nr, first_entry, highlight_position);
5104
5105     return;
5106   }
5107
5108   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5109     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5110
5111   if (dy < 0)
5112   {
5113     if (first_entry > 0)
5114     {
5115       first_entry -= step;
5116       if (first_entry < 0)
5117         first_entry = 0;
5118
5119       drawHallOfFameList(level_nr, first_entry, highlight_position);
5120     }
5121   }
5122   else if (dy > 0)
5123   {
5124     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
5125     {
5126       first_entry += step;
5127       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
5128         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5129
5130       drawHallOfFameList(level_nr, first_entry, highlight_position);
5131     }
5132   }
5133   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5134   {
5135     PlaySound(SND_MENU_ITEM_SELECTING);
5136
5137     FadeSound(SND_BACKGROUND_SCORES);
5138
5139     if (button == MB_MENU_CHOICE &&
5140         game_status_last_screen == GAME_MODE_PLAYING &&
5141         setup.auto_play_next_level && setup.increment_levels &&
5142         level_nr < leveldir_current->last_level &&
5143         !network_playing)
5144     {
5145       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5146     }
5147     else
5148     {
5149       SetGameStatus(GAME_MODE_MAIN);
5150
5151       DrawMainMenu();
5152     }
5153   }
5154
5155   if (game_status == GAME_MODE_SCORES)
5156     PlayMenuSoundIfLoop();
5157 }
5158
5159
5160 // ============================================================================
5161 // setup screen functions
5162 // ============================================================================
5163
5164 static struct TokenInfo *setup_info;
5165 static int num_setup_info;      // number of setup entries shown on screen
5166 static int max_setup_info;      // total number of setup entries in list
5167
5168 static char *window_size_text;
5169 static char *scaling_type_text;
5170 static char *rendering_mode_text;
5171 static char *vsync_mode_text;
5172 static char *scroll_delay_text;
5173 static char *snapshot_mode_text;
5174 static char *game_speed_text;
5175 static char *network_server_text;
5176 static char *graphics_set_name;
5177 static char *sounds_set_name;
5178 static char *music_set_name;
5179 static char *volume_simple_text;
5180 static char *volume_loops_text;
5181 static char *volume_music_text;
5182 static char *touch_controls_text;
5183 static char *move_distance_text;
5184 static char *drop_distance_text;
5185 static char *transparency_text;
5186 static char *grid_size_text[2][2];
5187
5188 static void execSetupMain(void)
5189 {
5190   setup_mode = SETUP_MODE_MAIN;
5191
5192   DrawSetupScreen();
5193 }
5194
5195 static void execSetupGame_setGameSpeeds(boolean update_value)
5196 {
5197   if (setup.game_speed_extended)
5198   {
5199     game_speeds_list = game_speeds_list_extended;
5200     game_speeds      = game_speeds_extended;
5201   }
5202   else
5203   {
5204     game_speeds_list = game_speeds_list_normal;
5205     game_speeds      = game_speeds_normal;
5206   }
5207
5208   if (game_speeds == NULL)
5209   {
5210     int i;
5211
5212     for (i = 0; game_speeds_list[i].value != -1; i++)
5213     {
5214       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5215       char identifier[32], name[32];
5216       int value = game_speeds_list[i].value;
5217       char *text = game_speeds_list[i].text;
5218
5219       ti->node_top = &game_speeds;
5220       ti->sort_priority = 10000 - value;
5221
5222       sprintf(identifier, "%d", value);
5223       sprintf(name, "%s", text);
5224
5225       setString(&ti->identifier, identifier);
5226       setString(&ti->name, name);
5227       setString(&ti->name_sorting, name);
5228       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5229
5230       pushTreeInfo(&game_speeds, ti);
5231     }
5232
5233     // sort game speed values to start with slowest game speed
5234     sortTreeInfo(&game_speeds);
5235
5236     update_value = TRUE;
5237   }
5238
5239   if (update_value)
5240   {
5241     // set current game speed to configured game speed value
5242     game_speed_current =
5243       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5244
5245     // if that fails, set current game speed to reliable default value
5246     if (game_speed_current == NULL)
5247       game_speed_current =
5248         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5249
5250     // if that also fails, set current game speed to first available speed
5251     if (game_speed_current == NULL)
5252       game_speed_current = game_speeds;
5253
5254     if (setup.game_speed_extended)
5255       game_speeds_extended = game_speeds;
5256     else
5257       game_speeds_normal = game_speeds;
5258   }
5259
5260   setup.game_frame_delay = atoi(game_speed_current->identifier);
5261
5262   // needed for displaying game speed text instead of identifier
5263   game_speed_text = game_speed_current->name;
5264 }
5265
5266 static void execSetupGame_setScrollDelays(void)
5267 {
5268   if (scroll_delays == NULL)
5269   {
5270     int i;
5271
5272     for (i = 0; scroll_delays_list[i].value != -1; i++)
5273     {
5274       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5275       char identifier[32], name[32];
5276       int value = scroll_delays_list[i].value;
5277       char *text = scroll_delays_list[i].text;
5278
5279       ti->node_top = &scroll_delays;
5280       ti->sort_priority = value;
5281
5282       sprintf(identifier, "%d", value);
5283       sprintf(name, "%s", text);
5284
5285       setString(&ti->identifier, identifier);
5286       setString(&ti->name, name);
5287       setString(&ti->name_sorting, name);
5288       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5289
5290       pushTreeInfo(&scroll_delays, ti);
5291     }
5292
5293     // sort scroll delay values to start with lowest scroll delay value
5294     sortTreeInfo(&scroll_delays);
5295
5296     // set current scroll delay value to configured scroll delay value
5297     scroll_delay_current =
5298       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5299
5300     // if that fails, set current scroll delay to reliable default value
5301     if (scroll_delay_current == NULL)
5302       scroll_delay_current =
5303         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5304
5305     // if that also fails, set current scroll delay to first available value
5306     if (scroll_delay_current == NULL)
5307       scroll_delay_current = scroll_delays;
5308   }
5309
5310   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5311
5312   // needed for displaying scroll delay text instead of identifier
5313   scroll_delay_text = scroll_delay_current->name;
5314 }
5315
5316 static void execSetupGame_setSnapshotModes(void)
5317 {
5318   if (snapshot_modes == NULL)
5319   {
5320     int i;
5321
5322     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5323     {
5324       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5325       char identifier[32], name[32];
5326       char *value = snapshot_modes_list[i].value;
5327       char *text = snapshot_modes_list[i].text;
5328
5329       ti->node_top = &snapshot_modes;
5330       ti->sort_priority = i;
5331
5332       sprintf(identifier, "%s", value);
5333       sprintf(name, "%s", text);
5334
5335       setString(&ti->identifier, identifier);
5336       setString(&ti->name, name);
5337       setString(&ti->name_sorting, name);
5338       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5339
5340       pushTreeInfo(&snapshot_modes, ti);
5341     }
5342
5343     // sort snapshot mode values to start with lowest snapshot mode value
5344     sortTreeInfo(&snapshot_modes);
5345
5346     // set current snapshot mode value to configured snapshot mode value
5347     snapshot_mode_current =
5348       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5349
5350     // if that fails, set current snapshot mode to reliable default value
5351     if (snapshot_mode_current == NULL)
5352       snapshot_mode_current =
5353         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5354
5355     // if that also fails, set current snapshot mode to first available value
5356     if (snapshot_mode_current == NULL)
5357       snapshot_mode_current = snapshot_modes;
5358   }
5359
5360   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5361
5362   // needed for displaying snapshot mode text instead of identifier
5363   snapshot_mode_text = snapshot_mode_current->name;
5364 }
5365
5366 static void execSetupGame_setNetworkServerText(void)
5367 {
5368   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5369   {
5370     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5371   }
5372   else
5373   {
5374     strncpy(network_server_hostname, setup.network_server_hostname,
5375             MAX_SETUP_TEXT_INPUT_LEN);
5376     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5377   }
5378
5379   // needed for displaying network server text instead of identifier
5380   network_server_text = network_server_hostname;
5381 }
5382
5383 static void execSetupGame(void)
5384 {
5385   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5386
5387   execSetupGame_setGameSpeeds(FALSE);
5388   execSetupGame_setScrollDelays();
5389   execSetupGame_setSnapshotModes();
5390
5391   execSetupGame_setNetworkServerText();
5392
5393   setup_mode = SETUP_MODE_GAME;
5394
5395   DrawSetupScreen();
5396
5397   // check if vsync needs to be disabled for this game speed to work
5398   if (check_vsync_mode)
5399     DisableVsyncIfNeeded();
5400 }
5401
5402 static void execSetupChooseGameSpeed(void)
5403 {
5404   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5405
5406   DrawSetupScreen();
5407 }
5408
5409 static void execSetupChooseScrollDelay(void)
5410 {
5411   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5412
5413   DrawSetupScreen();
5414 }
5415
5416 static void execSetupChooseSnapshotMode(void)
5417 {
5418   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5419
5420   DrawSetupScreen();
5421 }
5422
5423 static void execSetupEngines(void)
5424 {
5425   setup_mode = SETUP_MODE_ENGINES;
5426
5427   DrawSetupScreen();
5428 }
5429
5430 static void execSetupEditor(void)
5431 {
5432   setup_mode = SETUP_MODE_EDITOR;
5433
5434   DrawSetupScreen();
5435 }
5436
5437 static void execSetupGraphics_setWindowSizes(boolean update_list)
5438 {
5439   if (window_sizes != NULL && update_list)
5440   {
5441     freeTreeInfo(window_sizes);
5442
5443     window_sizes = NULL;
5444   }
5445
5446   if (window_sizes == NULL)
5447   {
5448     boolean current_window_size_found = FALSE;
5449     int i;
5450
5451     for (i = 0; window_sizes_list[i].value != -1; i++)
5452     {
5453       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5454       char identifier[32], name[32];
5455       int value = window_sizes_list[i].value;
5456       char *text = window_sizes_list[i].text;
5457
5458       ti->node_top = &window_sizes;
5459       ti->sort_priority = value;
5460
5461       sprintf(identifier, "%d", value);
5462       sprintf(name, "%s", text);
5463
5464       setString(&ti->identifier, identifier);
5465       setString(&ti->name, name);
5466       setString(&ti->name_sorting, name);
5467       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5468
5469       pushTreeInfo(&window_sizes, ti);
5470
5471       if (value == setup.window_scaling_percent)
5472         current_window_size_found = TRUE;
5473     }
5474
5475     if (!current_window_size_found)
5476     {
5477       // add entry for non-preset window scaling value
5478
5479       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5480       char identifier[32], name[32];
5481       int value = setup.window_scaling_percent;
5482
5483       ti->node_top = &window_sizes;
5484       ti->sort_priority = value;
5485
5486       sprintf(identifier, "%d", value);
5487       sprintf(name, "%d %% (Current)", value);
5488
5489       setString(&ti->identifier, identifier);
5490       setString(&ti->name, name);
5491       setString(&ti->name_sorting, name);
5492       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5493
5494       pushTreeInfo(&window_sizes, ti);
5495     }
5496
5497     // sort window size values to start with lowest window size value
5498     sortTreeInfo(&window_sizes);
5499
5500     // set current window size value to configured window size value
5501     window_size_current =
5502       getTreeInfoFromIdentifier(window_sizes,
5503                                 i_to_a(setup.window_scaling_percent));
5504
5505     // if that fails, set current window size to reliable default value
5506     if (window_size_current == NULL)
5507       window_size_current =
5508         getTreeInfoFromIdentifier(window_sizes,
5509                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5510
5511     // if that also fails, set current window size to first available value
5512     if (window_size_current == NULL)
5513       window_size_current = window_sizes;
5514   }
5515
5516   setup.window_scaling_percent = atoi(window_size_current->identifier);
5517
5518   // needed for displaying window size text instead of identifier
5519   window_size_text = window_size_current->name;
5520 }
5521
5522 static void execSetupGraphics_setScalingTypes(void)
5523 {
5524   if (scaling_types == NULL)
5525   {
5526     int i;
5527
5528     for (i = 0; scaling_types_list[i].value != NULL; i++)
5529     {
5530       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5531       char identifier[32], name[32];
5532       char *value = scaling_types_list[i].value;
5533       char *text = scaling_types_list[i].text;
5534
5535       ti->node_top = &scaling_types;
5536       ti->sort_priority = i;
5537
5538       sprintf(identifier, "%s", value);
5539       sprintf(name, "%s", text);
5540
5541       setString(&ti->identifier, identifier);
5542       setString(&ti->name, name);
5543       setString(&ti->name_sorting, name);
5544       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5545
5546       pushTreeInfo(&scaling_types, ti);
5547     }
5548
5549     // sort scaling type values to start with lowest scaling type value
5550     sortTreeInfo(&scaling_types);
5551
5552     // set current scaling type value to configured scaling type value
5553     scaling_type_current =
5554       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5555
5556     // if that fails, set current scaling type to reliable default value
5557     if (scaling_type_current == NULL)
5558       scaling_type_current =
5559         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5560
5561     // if that also fails, set current scaling type to first available value
5562     if (scaling_type_current == NULL)
5563       scaling_type_current = scaling_types;
5564   }
5565
5566   setup.window_scaling_quality = scaling_type_current->identifier;
5567
5568   // needed for displaying scaling type text instead of identifier
5569   scaling_type_text = scaling_type_current->name;
5570 }
5571
5572 static void execSetupGraphics_setRenderingModes(void)
5573 {
5574   if (rendering_modes == NULL)
5575   {
5576     int i;
5577
5578     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5579     {
5580       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5581       char identifier[32], name[32];
5582       char *value = rendering_modes_list[i].value;
5583       char *text = rendering_modes_list[i].text;
5584
5585       ti->node_top = &rendering_modes;
5586       ti->sort_priority = i;
5587
5588       sprintf(identifier, "%s", value);
5589       sprintf(name, "%s", text);
5590
5591       setString(&ti->identifier, identifier);
5592       setString(&ti->name, name);
5593       setString(&ti->name_sorting, name);
5594       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5595
5596       pushTreeInfo(&rendering_modes, ti);
5597     }
5598
5599     // sort rendering mode values to start with lowest rendering mode value
5600     sortTreeInfo(&rendering_modes);
5601
5602     // set current rendering mode value to configured rendering mode value
5603     rendering_mode_current =
5604       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5605
5606     // if that fails, set current rendering mode to reliable default value
5607     if (rendering_mode_current == NULL)
5608       rendering_mode_current =
5609         getTreeInfoFromIdentifier(rendering_modes,
5610                                   STR_SPECIAL_RENDERING_DEFAULT);
5611
5612     // if that also fails, set current rendering mode to first available one
5613     if (rendering_mode_current == NULL)
5614       rendering_mode_current = rendering_modes;
5615   }
5616
5617   setup.screen_rendering_mode = rendering_mode_current->identifier;
5618
5619   // needed for displaying rendering mode text instead of identifier
5620   rendering_mode_text = rendering_mode_current->name;
5621 }
5622
5623 static void execSetupGraphics_setVsyncModes(boolean update_value)
5624 {
5625   if (vsync_modes == NULL)
5626   {
5627     int i;
5628
5629     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5630     {
5631       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5632       char identifier[32], name[32];
5633       char *value = vsync_modes_list[i].value;
5634       char *text = vsync_modes_list[i].text;
5635
5636       ti->node_top = &vsync_modes;
5637       ti->sort_priority = i;
5638
5639       sprintf(identifier, "%s", value);
5640       sprintf(name, "%s", text);
5641
5642       setString(&ti->identifier, identifier);
5643       setString(&ti->name, name);
5644       setString(&ti->name_sorting, name);
5645       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5646
5647       pushTreeInfo(&vsync_modes, ti);
5648     }
5649
5650     // sort vsync mode values to start with lowest vsync mode value
5651     sortTreeInfo(&vsync_modes);
5652
5653     update_value = TRUE;
5654   }
5655
5656   if (update_value)
5657   {
5658     // set current vsync mode value to configured vsync mode value
5659     vsync_mode_current =
5660       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5661
5662     // if that fails, set current vsync mode to reliable default value
5663     if (vsync_mode_current == NULL)
5664       vsync_mode_current =
5665         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5666
5667     // if that also fails, set current vsync mode to first available one
5668     if (vsync_mode_current == NULL)
5669       vsync_mode_current = vsync_modes;
5670   }
5671
5672   setup.vsync_mode = vsync_mode_current->identifier;
5673
5674   // needed for displaying vsync mode text instead of identifier
5675   vsync_mode_text = vsync_mode_current->name;
5676 }
5677
5678 static void execSetupGraphics(void)
5679 {
5680   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5681
5682   // update "setup.window_scaling_percent" from list selection
5683   // (in this case, window scaling was changed on setup screen)
5684   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5685     execSetupGraphics_setWindowSizes(FALSE);
5686
5687   // update "setup.vsync_mode" from list selection
5688   // (in this case, vsync mode was changed on setup screen)
5689   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5690     execSetupGraphics_setVsyncModes(FALSE);
5691
5692   // update list selection from "setup.window_scaling_percent"
5693   // (window scaling may have changed by resizing the window)
5694   execSetupGraphics_setWindowSizes(TRUE);
5695
5696   // update list selection from "setup.vsync_mode"
5697   // (vsync_mode may have changed by re-creating the renderer)
5698   execSetupGraphics_setVsyncModes(TRUE);
5699
5700   execSetupGraphics_setScalingTypes();
5701   execSetupGraphics_setRenderingModes();
5702
5703   setup_mode = SETUP_MODE_GRAPHICS;
5704
5705   DrawSetupScreen();
5706
5707   // check if game speed is high enough for 60 Hz vsync to work
5708   if (check_game_speed)
5709     ModifyGameSpeedIfNeeded();
5710
5711   // window scaling may have changed at this point
5712   ChangeWindowScalingIfNeeded();
5713
5714   // window scaling quality may have changed at this point
5715   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5716     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5717
5718   // screen rendering mode may have changed at this point
5719   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5720
5721   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5722   int video_vsync_mode = video.vsync_mode;
5723
5724   // screen vsync mode may have changed at this point
5725   ChangeVsyncModeIfNeeded();
5726
5727   // check if setting vsync mode to selected value failed
5728   if (setup_vsync_mode != video_vsync_mode &&
5729       setup_vsync_mode != video.vsync_mode)
5730   {
5731     // changing vsync mode to selected value failed -- reset displayed value
5732     execSetupGraphics_setVsyncModes(TRUE);
5733
5734     Request("Setting VSync failed!", REQ_CONFIRM);
5735
5736     DrawSetupScreen();
5737   }
5738 }
5739
5740 static void execSetupChooseWindowSize(void)
5741 {
5742   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5743
5744   DrawSetupScreen();
5745 }
5746
5747 static void execSetupChooseScalingType(void)
5748 {
5749   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5750
5751   DrawSetupScreen();
5752 }
5753
5754 static void execSetupChooseRenderingMode(void)
5755 {
5756   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5757
5758   DrawSetupScreen();
5759 }
5760
5761 static void execSetupChooseVsyncMode(void)
5762 {
5763   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5764
5765   DrawSetupScreen();
5766 }
5767
5768 static void execSetupChooseVolumeSimple(void)
5769 {
5770   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5771
5772   DrawSetupScreen();
5773 }
5774
5775 static void execSetupChooseVolumeLoops(void)
5776 {
5777   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5778
5779   DrawSetupScreen();
5780 }
5781
5782 static void execSetupChooseVolumeMusic(void)
5783 {
5784   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5785
5786   DrawSetupScreen();
5787 }
5788
5789 static void execSetupSound(void)
5790 {
5791   if (volumes_simple == NULL)
5792   {
5793     boolean current_volume_simple_found = FALSE;
5794     int i;
5795
5796     for (i = 0; volumes_list[i].value != -1; i++)
5797     {
5798       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5799       char identifier[32], name[32];
5800       int value = volumes_list[i].value;
5801       char *text = volumes_list[i].text;
5802
5803       ti->node_top = &volumes_simple;
5804       ti->sort_priority = value;
5805
5806       sprintf(identifier, "%d", value);
5807       sprintf(name, "%s", text);
5808
5809       setString(&ti->identifier, identifier);
5810       setString(&ti->name, name);
5811       setString(&ti->name_sorting, name);
5812       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5813
5814       pushTreeInfo(&volumes_simple, ti);
5815
5816       if (value == setup.volume_simple)
5817         current_volume_simple_found = TRUE;
5818     }
5819
5820     if (!current_volume_simple_found)
5821     {
5822       // add entry for non-preset volume value
5823
5824       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5825       char identifier[32], name[32];
5826       int value = setup.volume_simple;
5827
5828       ti->node_top = &volumes_simple;
5829       ti->sort_priority = value;
5830
5831       sprintf(identifier, "%d", value);
5832       sprintf(name, "%d %% (Current)", value);
5833
5834       setString(&ti->identifier, identifier);
5835       setString(&ti->name, name);
5836       setString(&ti->name_sorting, name);
5837       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5838
5839       pushTreeInfo(&volumes_simple, ti);
5840     }
5841
5842     // sort volume values to start with lowest volume value
5843     sortTreeInfo(&volumes_simple);
5844
5845     // set current volume value to configured volume value
5846     volume_simple_current =
5847       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5848
5849     // if that fails, set current volume to reliable default value
5850     if (volume_simple_current == NULL)
5851       volume_simple_current =
5852         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5853
5854     // if that also fails, set current volume to first available value
5855     if (volume_simple_current == NULL)
5856       volume_simple_current = volumes_simple;
5857   }
5858
5859   if (volumes_loops == NULL)
5860   {
5861     boolean current_volume_loops_found = FALSE;
5862     int i;
5863
5864     for (i = 0; volumes_list[i].value != -1; i++)
5865     {
5866       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5867       char identifier[32], name[32];
5868       int value = volumes_list[i].value;
5869       char *text = volumes_list[i].text;
5870
5871       ti->node_top = &volumes_loops;
5872       ti->sort_priority = value;
5873
5874       sprintf(identifier, "%d", value);
5875       sprintf(name, "%s", text);
5876
5877       setString(&ti->identifier, identifier);
5878       setString(&ti->name, name);
5879       setString(&ti->name_sorting, name);
5880       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5881
5882       pushTreeInfo(&volumes_loops, ti);
5883
5884       if (value == setup.volume_loops)
5885         current_volume_loops_found = TRUE;
5886     }
5887
5888     if (!current_volume_loops_found)
5889     {
5890       // add entry for non-preset volume value
5891
5892       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5893       char identifier[32], name[32];
5894       int value = setup.volume_loops;
5895
5896       ti->node_top = &volumes_loops;
5897       ti->sort_priority = value;
5898
5899       sprintf(identifier, "%d", value);
5900       sprintf(name, "%d %% (Current)", value);
5901
5902       setString(&ti->identifier, identifier);
5903       setString(&ti->name, name);
5904       setString(&ti->name_sorting, name);
5905       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5906
5907       pushTreeInfo(&volumes_loops, ti);
5908     }
5909
5910     // sort volume values to start with lowest volume value
5911     sortTreeInfo(&volumes_loops);
5912
5913     // set current volume value to configured volume value
5914     volume_loops_current =
5915       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5916
5917     // if that fails, set current volume to reliable default value
5918     if (volume_loops_current == NULL)
5919       volume_loops_current =
5920         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5921
5922     // if that also fails, set current volume to first available value
5923     if (volume_loops_current == NULL)
5924       volume_loops_current = volumes_loops;
5925   }
5926
5927   if (volumes_music == NULL)
5928   {
5929     boolean current_volume_music_found = FALSE;
5930     int i;
5931
5932     for (i = 0; volumes_list[i].value != -1; i++)
5933     {
5934       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5935       char identifier[32], name[32];
5936       int value = volumes_list[i].value;
5937       char *text = volumes_list[i].text;
5938
5939       ti->node_top = &volumes_music;
5940       ti->sort_priority = value;
5941
5942       sprintf(identifier, "%d", value);
5943       sprintf(name, "%s", text);
5944
5945       setString(&ti->identifier, identifier);
5946       setString(&ti->name, name);
5947       setString(&ti->name_sorting, name);
5948       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5949
5950       pushTreeInfo(&volumes_music, ti);
5951
5952       if (value == setup.volume_music)
5953         current_volume_music_found = TRUE;
5954     }
5955
5956     if (!current_volume_music_found)
5957     {
5958       // add entry for non-preset volume value
5959
5960       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5961       char identifier[32], name[32];
5962       int value = setup.volume_music;
5963
5964       ti->node_top = &volumes_music;
5965       ti->sort_priority = value;
5966
5967       sprintf(identifier, "%d", value);
5968       sprintf(name, "%d %% (Current)", value);
5969
5970       setString(&ti->identifier, identifier);
5971       setString(&ti->name, name);
5972       setString(&ti->name_sorting, name);
5973       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5974
5975       pushTreeInfo(&volumes_music, ti);
5976     }
5977
5978     // sort volume values to start with lowest volume value
5979     sortTreeInfo(&volumes_music);
5980
5981     // set current volume value to configured volume value
5982     volume_music_current =
5983       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5984
5985     // if that fails, set current volume to reliable default value
5986     if (volume_music_current == NULL)
5987       volume_music_current =
5988         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5989
5990     // if that also fails, set current volume to first available value
5991     if (volume_music_current == NULL)
5992       volume_music_current = volumes_music;
5993   }
5994
5995   setup.volume_simple = atoi(volume_simple_current->identifier);
5996   setup.volume_loops  = atoi(volume_loops_current->identifier);
5997   setup.volume_music  = atoi(volume_music_current->identifier);
5998
5999   // needed for displaying volume text instead of identifier
6000   volume_simple_text = volume_simple_current->name;
6001   volume_loops_text = volume_loops_current->name;
6002   volume_music_text = volume_music_current->name;
6003
6004   setup_mode = SETUP_MODE_SOUND;
6005
6006   DrawSetupScreen();
6007 }
6008
6009 static void execSetupChooseTouchControls(void)
6010 {
6011   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6012
6013   DrawSetupScreen();
6014 }
6015
6016 static void execSetupChooseMoveDistance(void)
6017 {
6018   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6019
6020   DrawSetupScreen();
6021 }
6022
6023 static void execSetupChooseDropDistance(void)
6024 {
6025   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6026
6027   DrawSetupScreen();
6028 }
6029
6030 static void execSetupChooseTransparency(void)
6031 {
6032   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6033
6034   DrawSetupScreen();
6035 }
6036
6037 static void execSetupChooseGridXSize_0(void)
6038 {
6039   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6040
6041   DrawSetupScreen();
6042 }
6043
6044 static void execSetupChooseGridYSize_0(void)
6045 {
6046   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6047
6048   DrawSetupScreen();
6049 }
6050
6051 static void execSetupChooseGridXSize_1(void)
6052 {
6053   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6054
6055   DrawSetupScreen();
6056 }
6057
6058 static void execSetupChooseGridYSize_1(void)
6059 {
6060   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6061
6062   DrawSetupScreen();
6063 }
6064
6065 static void execSetupConfigureVirtualButtons(void)
6066 {
6067   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6068
6069   ConfigureVirtualButtons();
6070
6071   setup_mode = SETUP_MODE_TOUCH;
6072
6073   DrawSetupScreen();
6074 }
6075
6076 static void execSetupTouch(void)
6077 {
6078   int i, j, k;
6079
6080   if (touch_controls == NULL)
6081   {
6082     for (i = 0; touch_controls_list[i].value != NULL; i++)
6083     {
6084       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6085       char identifier[32], name[32];
6086       char *value = touch_controls_list[i].value;
6087       char *text = touch_controls_list[i].text;
6088
6089       ti->node_top = &touch_controls;
6090       ti->sort_priority = i;
6091
6092       sprintf(identifier, "%s", value);
6093       sprintf(name, "%s", text);
6094
6095       setString(&ti->identifier, identifier);
6096       setString(&ti->name, name);
6097       setString(&ti->name_sorting, name);
6098       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6099
6100       pushTreeInfo(&touch_controls, ti);
6101     }
6102
6103     // sort touch control values to start with lowest touch control value
6104     sortTreeInfo(&touch_controls);
6105
6106     // set current touch control value to configured touch control value
6107     touch_control_current =
6108       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6109
6110     // if that fails, set current touch control to reliable default value
6111     if (touch_control_current == NULL)
6112       touch_control_current =
6113         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6114
6115     // if that also fails, set current touch control to first available value
6116     if (touch_control_current == NULL)
6117       touch_control_current = touch_controls;
6118   }
6119
6120   if (move_distances == NULL)
6121   {
6122     for (i = 0; distances_list[i].value != -1; i++)
6123     {
6124       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6125       char identifier[32], name[32];
6126       int value = distances_list[i].value;
6127       char *text = distances_list[i].text;
6128
6129       ti->node_top = &move_distances;
6130       ti->sort_priority = value;
6131
6132       sprintf(identifier, "%d", value);
6133       sprintf(name, "%s", text);
6134
6135       setString(&ti->identifier, identifier);
6136       setString(&ti->name, name);
6137       setString(&ti->name_sorting, name);
6138       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6139
6140       pushTreeInfo(&move_distances, ti);
6141     }
6142
6143     // sort distance values to start with lowest distance value
6144     sortTreeInfo(&move_distances);
6145
6146     // set current distance value to configured distance value
6147     move_distance_current =
6148       getTreeInfoFromIdentifier(move_distances,
6149                                 i_to_a(setup.touch.move_distance));
6150
6151     // if that fails, set current distance to reliable default value
6152     if (move_distance_current == NULL)
6153       move_distance_current =
6154         getTreeInfoFromIdentifier(move_distances,
6155                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6156
6157     // if that also fails, set current distance to first available value
6158     if (move_distance_current == NULL)
6159       move_distance_current = move_distances;
6160   }
6161
6162   if (drop_distances == NULL)
6163   {
6164     for (i = 0; distances_list[i].value != -1; i++)
6165     {
6166       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6167       char identifier[32], name[32];
6168       int value = distances_list[i].value;
6169       char *text = distances_list[i].text;
6170
6171       ti->node_top = &drop_distances;
6172       ti->sort_priority = value;
6173
6174       sprintf(identifier, "%d", value);
6175       sprintf(name, "%s", text);
6176
6177       setString(&ti->identifier, identifier);
6178       setString(&ti->name, name);
6179       setString(&ti->name_sorting, name);
6180       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6181
6182       pushTreeInfo(&drop_distances, ti);
6183     }
6184
6185     // sort distance values to start with lowest distance value
6186     sortTreeInfo(&drop_distances);
6187
6188     // set current distance value to configured distance value
6189     drop_distance_current =
6190       getTreeInfoFromIdentifier(drop_distances,
6191                                 i_to_a(setup.touch.drop_distance));
6192
6193     // if that fails, set current distance to reliable default value
6194     if (drop_distance_current == NULL)
6195       drop_distance_current =
6196         getTreeInfoFromIdentifier(drop_distances,
6197                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6198
6199     // if that also fails, set current distance to first available value
6200     if (drop_distance_current == NULL)
6201       drop_distance_current = drop_distances;
6202   }
6203
6204   if (transparencies == NULL)
6205   {
6206     for (i = 0; transparencies_list[i].value != -1; i++)
6207     {
6208       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6209       char identifier[32], name[32];
6210       int value = transparencies_list[i].value;
6211       char *text = transparencies_list[i].text;
6212
6213       ti->node_top = &transparencies;
6214       ti->sort_priority = value;
6215
6216       sprintf(identifier, "%d", value);
6217       sprintf(name, "%s", text);
6218
6219       setString(&ti->identifier, identifier);
6220       setString(&ti->name, name);
6221       setString(&ti->name_sorting, name);
6222       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6223
6224       pushTreeInfo(&transparencies, ti);
6225     }
6226
6227     // sort transparency values to start with lowest transparency value
6228     sortTreeInfo(&transparencies);
6229
6230     // set current transparency value to configured transparency value
6231     transparency_current =
6232       getTreeInfoFromIdentifier(transparencies,
6233                                 i_to_a(setup.touch.transparency));
6234
6235     // if that fails, set current transparency to reliable default value
6236     if (transparency_current == NULL)
6237       transparency_current =
6238         getTreeInfoFromIdentifier(transparencies,
6239                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6240
6241     // if that also fails, set current transparency to first available value
6242     if (transparency_current == NULL)
6243       transparency_current = transparencies;
6244   }
6245
6246   for (i = 0; i < 2; i++)
6247   {
6248     for (j = 0; j < 2; j++)
6249     {
6250       if (grid_sizes[i][j] == NULL)
6251       {
6252         for (k = 0; grid_sizes_list[k].value != -1; k++)
6253         {
6254           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6255           char identifier[32], name[32];
6256           int value = grid_sizes_list[k].value;
6257           char *text = grid_sizes_list[k].text;
6258
6259           ti->node_top = &grid_sizes[i][j];
6260           ti->sort_priority = value;
6261
6262           sprintf(identifier, "%d", value);
6263           sprintf(name, "%s", text);
6264
6265           setString(&ti->identifier, identifier);
6266           setString(&ti->name, name);
6267           setString(&ti->name_sorting, name);
6268           setString(&ti->infotext,
6269                     (i == 0 ?
6270                      (j == 0 ?
6271                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6272                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6273                      (j == 0 ?
6274                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6275                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6276
6277           pushTreeInfo(&grid_sizes[i][j], ti);
6278         }
6279
6280         // sort grid size values to start with lowest grid size value
6281         sortTreeInfo(&grid_sizes[i][j]);
6282
6283         // set current grid size value to configured grid size value
6284         grid_size_current[i][j] =
6285           getTreeInfoFromIdentifier(grid_sizes[i][j],
6286                                     i_to_a(j == 0 ?
6287                                            setup.touch.grid_xsize[i] :
6288                                            setup.touch.grid_ysize[i]));
6289
6290         // if that fails, set current grid size to reliable default value
6291         if (grid_size_current[i][j] == NULL)
6292           grid_size_current[i][j] =
6293             getTreeInfoFromIdentifier(grid_sizes[i][j],
6294                                       i_to_a(j == 0 ?
6295                                              DEFAULT_GRID_XSIZE(i) :
6296                                              DEFAULT_GRID_YSIZE(i)));
6297
6298         // if that also fails, set current grid size to first available value
6299         if (grid_size_current[i][j] == NULL)
6300           grid_size_current[i][j] = grid_sizes[i][j];
6301       }
6302     }
6303   }
6304
6305   setup.touch.control_type = touch_control_current->identifier;
6306   setup.touch.move_distance = atoi(move_distance_current->identifier);
6307   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6308   setup.touch.transparency = atoi(transparency_current->identifier);
6309
6310   for (i = 0; i < 2; i++)
6311   {
6312     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6313     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6314
6315     if (i == GRID_ACTIVE_NR())
6316     {
6317       overlay.grid_xsize = setup.touch.grid_xsize[i];
6318       overlay.grid_ysize = setup.touch.grid_ysize[i];
6319     }
6320   }
6321
6322   // needed for displaying value text instead of identifier
6323   touch_controls_text = touch_control_current->name;
6324   move_distance_text = move_distance_current->name;
6325   drop_distance_text = drop_distance_current->name;
6326   transparency_text = transparency_current->name;
6327
6328   for (i = 0; i < 2; i++)
6329     for (j = 0; j < 2; j++)
6330       grid_size_text[i][j] = grid_size_current[i][j]->name;
6331
6332   setup_mode = SETUP_MODE_TOUCH;
6333
6334   DrawSetupScreen();
6335 }
6336
6337 static void execSetupArtwork(void)
6338 {
6339   static ArtworkDirTree *gfx_last_valid = NULL;
6340   static ArtworkDirTree *snd_last_valid = NULL;
6341   static ArtworkDirTree *mus_last_valid = NULL;
6342
6343   // current artwork directory may be invalid (level group, parent link)
6344   if (!validLevelSeries(artwork.gfx_current))
6345     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6346   if (!validLevelSeries(artwork.snd_current))
6347     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6348   if (!validLevelSeries(artwork.mus_current))
6349     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6350
6351   // store valid artwork directory information
6352   gfx_last_valid = artwork.gfx_current;
6353   snd_last_valid = artwork.snd_current;
6354   mus_last_valid = artwork.mus_current;
6355
6356 #if 0
6357   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6358         artwork.gfx_current->subdir,
6359         artwork.gfx_current->fullpath,
6360         artwork.gfx_current->basepath);
6361 #endif
6362
6363   setup.graphics_set = artwork.gfx_current->identifier;
6364   setup.sounds_set = artwork.snd_current->identifier;
6365   setup.music_set = artwork.mus_current->identifier;
6366
6367   // needed if last screen (setup choice) changed graphics, sounds or music
6368   ReloadCustomArtwork(0);
6369
6370   // needed for displaying artwork name instead of artwork identifier
6371   graphics_set_name = artwork.gfx_current->name;
6372   sounds_set_name = artwork.snd_current->name;
6373   music_set_name = artwork.mus_current->name;
6374
6375   setup_mode = SETUP_MODE_ARTWORK;
6376
6377   DrawSetupScreen();
6378 }
6379
6380 static void execSetupChooseGraphics(void)
6381 {
6382   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6383
6384   DrawSetupScreen();
6385 }
6386
6387 static void execSetupChooseSounds(void)
6388 {
6389   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6390
6391   DrawSetupScreen();
6392 }
6393
6394 static void execSetupChooseMusic(void)
6395 {
6396   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6397
6398   DrawSetupScreen();
6399 }
6400
6401 static void execSetupInput(void)
6402 {
6403   setup_mode = SETUP_MODE_INPUT;
6404
6405   DrawSetupScreen();
6406 }
6407
6408 static void execSetupShortcuts(void)
6409 {
6410   setup_mode = SETUP_MODE_SHORTCUTS;
6411
6412   DrawSetupScreen();
6413 }
6414
6415 static void execSetupShortcuts1(void)
6416 {
6417   setup_mode = SETUP_MODE_SHORTCUTS_1;
6418
6419   DrawSetupScreen();
6420 }
6421
6422 static void execSetupShortcuts2(void)
6423 {
6424   setup_mode = SETUP_MODE_SHORTCUTS_2;
6425
6426   DrawSetupScreen();
6427 }
6428
6429 static void execSetupShortcuts3(void)
6430 {
6431   setup_mode = SETUP_MODE_SHORTCUTS_3;
6432
6433   DrawSetupScreen();
6434 }
6435
6436 static void execSetupShortcuts4(void)
6437 {
6438   setup_mode = SETUP_MODE_SHORTCUTS_4;
6439
6440   DrawSetupScreen();
6441 }
6442
6443 static void execSetupShortcuts5(void)
6444 {
6445   setup_mode = SETUP_MODE_SHORTCUTS_5;
6446
6447   DrawSetupScreen();
6448 }
6449
6450 static void execExitSetup(void)
6451 {
6452   SetGameStatus(GAME_MODE_MAIN);
6453
6454   DrawMainMenu();
6455 }
6456
6457 static void execSaveAndExitSetup(void)
6458 {
6459   SaveSetup();
6460   execExitSetup();
6461 }
6462
6463 static void execGadgetNetworkServer(void)
6464 {
6465   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6466   struct GadgetInfo *gi = screen_gadget[gadget_id];
6467
6468   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6469     network_server_hostname[0] = '\0';
6470
6471   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6472
6473   MapGadget(gi);
6474
6475   ClickOnGadget(gi, MB_LEFTBUTTON);
6476 }
6477
6478 static void ToggleNetworkModeIfNeeded(void)
6479 {
6480   int font_title = FONT_TITLE_1;
6481   int font_foot = FC_BLUE;
6482   int ystart  = mSY - SY + 16;
6483   int ybottom = mSY - SY + SYSIZE - 20;
6484   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6485
6486   if (setup.network_mode == network.enabled)
6487     return;
6488
6489   network.enabled = setup.network_mode;
6490
6491   FadeOut(REDRAW_ALL);
6492
6493   ClearField();
6494
6495   DrawTextSCentered(ystart, font_title, text);
6496
6497   FadeIn(REDRAW_ALL);
6498
6499   if (network.enabled)
6500     InitNetworkServer();
6501   else
6502     DisconnectFromNetworkServer();
6503
6504   DrawTextSCentered(ybottom, font_foot,
6505                     "Press any key or button for setup menu");
6506
6507   WaitForEventToContinue();
6508
6509   DrawSetupScreen();
6510 }
6511
6512 static void ToggleGameSpeedsListIfNeeded(void)
6513 {
6514   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6515
6516   if (setup.game_speed_extended == using_game_speeds_extended)
6517     return;
6518
6519   // try to match similar values when changing game speeds list
6520   if (setup.game_speed_extended)
6521     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6522                               setup.game_frame_delay == 30 ? 29 :
6523                               setup.game_frame_delay);
6524   else
6525     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6526                               setup.game_frame_delay == 16 ? 15 :
6527                               setup.game_frame_delay >= 29 ? 30 :
6528                               setup.game_frame_delay <= 10 ? 10 :
6529                               setup.game_frame_delay);
6530
6531   execSetupGame_setGameSpeeds(TRUE);
6532
6533   DrawSetupScreen();
6534 }
6535
6536 static void ModifyGameSpeedIfNeeded(void)
6537 {
6538   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6539       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6540     return;
6541
6542   char message[100];
6543   char *game_speed_text = "Fast";
6544   int game_speed_value = 15;
6545
6546   if (setup.game_speed_extended)
6547   {
6548     game_speed_text = "60 fps";
6549     game_speed_value = 16;
6550   }
6551
6552   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6553
6554   // set game speed to existing list value that is fast enough for vsync
6555   setup.game_frame_delay = game_speed_value;
6556
6557   execSetupGame_setGameSpeeds(TRUE);
6558
6559   Request(message, REQ_CONFIRM);
6560 }
6561
6562 static void DisableVsyncIfNeeded(void)
6563 {
6564   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6565       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6566        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6567     return;
6568
6569   // disable vsync for the selected game speed to work
6570   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6571
6572   execSetupGraphics_setVsyncModes(TRUE);
6573
6574   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6575 }
6576
6577 static struct
6578 {
6579   void *value;
6580   void *related_value;
6581 } hide_related_entry_list[] =
6582 {
6583   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6584   { &setup.game_frame_delay,            &game_speed_text                },
6585
6586   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6587   { &setup.scroll_delay_value,          &scroll_delay_text              },
6588
6589   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6590   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6591
6592   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6593   { &setup.window_scaling_percent,      &window_size_text               },
6594
6595   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6596   { &setup.window_scaling_quality,      &scaling_type_text              },
6597
6598   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6599   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6600
6601   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6602   { &setup.vsync_mode,                  &vsync_mode_text                },
6603
6604   { &setup.graphics_set,                execSetupChooseGraphics         },
6605   { &setup.graphics_set,                &graphics_set_name              },
6606
6607   { &setup.sounds_set,                  execSetupChooseSounds           },
6608   { &setup.sounds_set,                  &sounds_set_name                },
6609
6610   { &setup.music_set,                   execSetupChooseMusic            },
6611   { &setup.music_set,                   &music_set_name                 },
6612
6613   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6614   { &setup.volume_simple,               &volume_simple_text             },
6615
6616   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6617   { &setup.volume_loops,                &volume_loops_text              },
6618
6619   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6620   { &setup.volume_music,                &volume_music_text              },
6621
6622   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6623   { &setup.touch.control_type,          &touch_controls_text            },
6624
6625   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6626   { &setup.touch.move_distance,         &move_distance_text             },
6627
6628   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6629   { &setup.touch.drop_distance,         &drop_distance_text             },
6630
6631   { &setup.touch.transparency,          execSetupChooseTransparency     },
6632   { &setup.touch.transparency,          &transparency_text              },
6633
6634   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6635   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6636
6637   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6638   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6639
6640   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6641   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6642
6643   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6644   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6645
6646   { &setup.internal.menu_game,          execSetupGame                   },
6647   { &setup.internal.menu_engines,       execSetupEngines                },
6648   { &setup.internal.menu_editor,        execSetupEditor                 },
6649   { &setup.internal.menu_graphics,      execSetupGraphics               },
6650   { &setup.internal.menu_sound,         execSetupSound                  },
6651   { &setup.internal.menu_artwork,       execSetupArtwork                },
6652   { &setup.internal.menu_input,         execSetupInput                  },
6653   { &setup.internal.menu_touch,         execSetupTouch                  },
6654   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6655   { &setup.internal.menu_exit,          execExitSetup                   },
6656   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6657
6658   { NULL,                               NULL                            }
6659 };
6660
6661 void setHideRelatedSetupEntries(void)
6662 {
6663   int i;
6664
6665   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6666     if (hideSetupEntry(hide_related_entry_list[i].value))
6667       setHideSetupEntry(hide_related_entry_list[i].related_value);
6668 }
6669
6670 static struct TokenInfo setup_info_main[] =
6671 {
6672   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6673   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6674   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6675   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6676   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6677   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6678   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6679   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6680   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6681   { TYPE_EMPTY,         NULL,                   ""                      },
6682   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6683   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6684
6685   { 0,                  NULL,                   NULL                    }
6686 };
6687
6688 static struct TokenInfo setup_info_game[] =
6689 {
6690   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6691   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6692   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6693   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6694   { TYPE_STRING,        &network_server_text,   ""                      },
6695   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6696   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6697   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6698   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6699   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6700   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6701   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6702   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6703   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6704   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6705   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6706   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6707   { TYPE_STRING,        &game_speed_text,       ""                      },
6708   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6709 #if 1
6710   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6711   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6712 #endif
6713   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6714   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6715   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6716   { TYPE_EMPTY,         NULL,                   ""                      },
6717   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6718
6719   { 0,                  NULL,                   NULL                    }
6720 };
6721
6722 static struct TokenInfo setup_info_engines[] =
6723 {
6724   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6725   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6726   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6727   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6728   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6729   { TYPE_EMPTY,         NULL,                   ""                      },
6730   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6731   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6732   { TYPE_EMPTY,         NULL,                   ""                      },
6733   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6734
6735   { 0,                  NULL,                   NULL                    }
6736 };
6737
6738 static struct TokenInfo setup_info_editor[] =
6739 {
6740 #if 0
6741   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6742   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6743   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6744   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6745   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6746   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6747   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6748   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6749   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6750   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6751 #endif
6752   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6753   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6754 #if 0
6755   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6756 #endif
6757   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6758   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6759   { TYPE_EMPTY,         NULL,                   ""                      },
6760 #if 0
6761   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6762   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6763   { TYPE_EMPTY,         NULL,                   ""                      },
6764 #endif
6765   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6766   { TYPE_EMPTY,         NULL,                   ""                      },
6767   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
6768   { TYPE_EMPTY,         NULL,                   ""                      },
6769   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6770
6771   { 0,                  NULL,                   NULL                    }
6772 };
6773
6774 static struct TokenInfo setup_info_graphics[] =
6775 {
6776 #if !defined(PLATFORM_ANDROID)
6777   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6778   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6779   { TYPE_STRING,        &window_size_text,      ""                      },
6780   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6781   { TYPE_STRING,        &scaling_type_text,     ""                      },
6782   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6783   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6784 #endif
6785 #if 0
6786   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6787   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6788 #endif
6789   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6790   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6791   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6792   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6793   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6794   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6795   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6796   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6797   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
6798   { TYPE_EMPTY,         NULL,                   ""                      },
6799   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6800
6801   { 0,                  NULL,                   NULL                    }
6802 };
6803
6804 static struct TokenInfo setup_info_sound[] =
6805 {
6806   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6807   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6808   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6809   { TYPE_EMPTY,         NULL,                   ""                      },
6810   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6811   { TYPE_STRING,        &volume_simple_text,    ""                      },
6812   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6813   { TYPE_STRING,        &volume_loops_text,     ""                      },
6814   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6815   { TYPE_STRING,        &volume_music_text,     ""                      },
6816   { TYPE_EMPTY,         NULL,                   ""                      },
6817   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6818
6819   { 0,                  NULL,                   NULL                    }
6820 };
6821
6822 static struct TokenInfo setup_info_artwork[] =
6823 {
6824   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6825   { TYPE_STRING,        &graphics_set_name,     ""                      },
6826   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6827   { TYPE_STRING,        &sounds_set_name,       ""                      },
6828   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6829   { TYPE_STRING,        &music_set_name,        ""                      },
6830   { TYPE_EMPTY,         NULL,                   ""                      },
6831   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6832   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6833   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6834   { TYPE_EMPTY,         NULL,                   ""                      },
6835   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6836
6837   { 0,                  NULL,                   NULL                    }
6838 };
6839
6840 static struct TokenInfo setup_info_input[] =
6841 {
6842   { TYPE_SWITCH,        NULL,                   "Player:"               },
6843   { TYPE_SWITCH,        NULL,                   "Device:"               },
6844   { TYPE_SWITCH,        NULL,                   ""                      },
6845   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6846   { TYPE_EMPTY,         NULL,                   ""                      },
6847   { TYPE_EMPTY,         NULL,                   ""                      },
6848   { TYPE_EMPTY,         NULL,                   ""                      },
6849   { TYPE_EMPTY,         NULL,                   ""                      },
6850   { TYPE_EMPTY,         NULL,                   ""                      },
6851   { TYPE_EMPTY,         NULL,                   ""                      },
6852   { TYPE_EMPTY,         NULL,                   ""                      },
6853   { TYPE_EMPTY,         NULL,                   ""                      },
6854   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6855   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6856
6857   { 0,                  NULL,                   NULL                    }
6858 };
6859
6860 static struct TokenInfo setup_info_touch[] =
6861 {
6862   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6863   { TYPE_STRING,        &touch_controls_text,   ""                      },
6864   { TYPE_EMPTY,         NULL,                   ""                      },
6865   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6866
6867   { 0,                  NULL,                   NULL                    }
6868 };
6869
6870 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6871 {
6872   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6873   { TYPE_STRING,        &touch_controls_text,   ""                      },
6874   { TYPE_EMPTY,         NULL,                   ""                      },
6875   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6876   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6877   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6878   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6879   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6880   { TYPE_STRING,        &transparency_text,     ""                      },
6881   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6882   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6883   { TYPE_EMPTY,         NULL,                   ""                      },
6884   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6885   { TYPE_EMPTY,         NULL,                   ""                      },
6886   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6887
6888   { 0,                  NULL,                   NULL                    }
6889 };
6890
6891 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6892 {
6893   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6894   { TYPE_STRING,        &touch_controls_text,   ""                      },
6895   { TYPE_EMPTY,         NULL,                   ""                      },
6896   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6897   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6898   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6899   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6900   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6901   { TYPE_STRING,        &transparency_text,     ""                      },
6902   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6903   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6904   { TYPE_EMPTY,         NULL,                   ""                      },
6905   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6906   { TYPE_EMPTY,         NULL,                   ""                      },
6907   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6908
6909   { 0,                  NULL,                   NULL                    }
6910 };
6911
6912 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6913 {
6914   setup_info_touch_virtual_buttons_0,
6915   setup_info_touch_virtual_buttons_1
6916 };
6917
6918 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6919 {
6920   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6921   { TYPE_STRING,        &touch_controls_text,   ""                      },
6922   { TYPE_EMPTY,         NULL,                   ""                      },
6923   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6924   { TYPE_STRING,        &move_distance_text,    ""                      },
6925   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6926   { TYPE_STRING,        &drop_distance_text,    ""                      },
6927   { TYPE_EMPTY,         NULL,                   ""                      },
6928   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6929
6930   { 0,                  NULL,                   NULL                    }
6931 };
6932
6933 static struct TokenInfo setup_info_shortcuts[] =
6934 {
6935   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6936   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6937   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6938   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6939   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6940   { TYPE_EMPTY,         NULL,                   ""                      },
6941   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6942
6943   { 0,                  NULL,                   NULL                    }
6944 };
6945
6946 static struct TokenInfo setup_info_shortcuts_1[] =
6947 {
6948   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6949   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6950   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6951   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6952   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6953   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6954   { TYPE_EMPTY,         NULL,                   ""                      },
6955   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6956   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6957   { TYPE_EMPTY,         NULL,                   ""                      },
6958   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6959
6960   { 0,                  NULL,                   NULL                    }
6961 };
6962
6963 static struct TokenInfo setup_info_shortcuts_2[] =
6964 {
6965   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6966   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6967   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6968   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6969   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6970   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6971   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6972   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6973   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6974   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6975   { TYPE_EMPTY,         NULL,                   ""                      },
6976   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6977
6978   { 0,                  NULL,                   NULL                    }
6979 };
6980
6981 static struct TokenInfo setup_info_shortcuts_3[] =
6982 {
6983   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6984   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6985   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6986   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6987   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6988   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6989   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6990   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6991   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6992   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6993   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6994   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6995   { TYPE_EMPTY,         NULL,                   ""                      },
6996   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6997
6998   { 0,                  NULL,                   NULL                    }
6999 };
7000
7001 static struct TokenInfo setup_info_shortcuts_4[] =
7002 {
7003   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7004   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7005   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7006   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7007   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7008   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7009   { TYPE_EMPTY,         NULL,                   ""                      },
7010   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7011
7012   { 0,                  NULL,                   NULL                    }
7013 };
7014
7015 static struct TokenInfo setup_info_shortcuts_5[] =
7016 {
7017   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7018   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7019   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7020   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7021   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7022   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7023   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7024   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7025   { TYPE_EMPTY,         NULL,                   ""                      },
7026   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7027
7028   { 0,                  NULL,                   NULL                    }
7029 };
7030
7031 static Key getSetupKey(void)
7032 {
7033   Key key = KSYM_UNDEFINED;
7034   boolean got_key_event = FALSE;
7035
7036   while (!got_key_event)
7037   {
7038     Event event;
7039
7040     if (NextValidEvent(&event))
7041     {
7042       switch (event.type)
7043       {
7044         case EVENT_KEYPRESS:
7045           {
7046             key = GetEventKey((KeyEvent *)&event, TRUE);
7047
7048             // press 'Escape' or 'Enter' to keep the existing key binding
7049             if (key == KSYM_Escape || key == KSYM_Return)
7050               key = KSYM_UNDEFINED;     // keep old value
7051
7052             got_key_event = TRUE;
7053           }
7054           break;
7055
7056         case EVENT_KEYRELEASE:
7057           key_joystick_mapping = 0;
7058           break;
7059
7060         default:
7061           HandleOtherEvents(&event);
7062           break;
7063       }
7064     }
7065
7066     BackToFront();
7067   }
7068
7069   return key;
7070 }
7071
7072 static int getSetupValueFont(int type, void *value)
7073 {
7074   if (type & TYPE_GHOSTED)
7075     return FONT_OPTION_OFF;
7076   else if (type & TYPE_KEY)
7077     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7078   else if (type & TYPE_STRING)
7079     return FONT_VALUE_2;
7080   else if (type & TYPE_ECS_AGA)
7081     return FONT_VALUE_1;
7082   else if (type & TYPE_BOOLEAN_STYLE)
7083     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7084   else if (type & TYPE_YES_NO_AUTO)
7085     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7086             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7087   else if (type & TYPE_PLAYER)
7088     return FONT_VALUE_1;
7089   else
7090     return FONT_VALUE_1;
7091 }
7092
7093 static int getSetupValueFontNarrow(int type, int font_nr)
7094 {
7095   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7096           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7097           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7098           font_nr);
7099 }
7100
7101 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7102 {
7103   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7104   struct TokenInfo *si = &setup_info[si_pos];
7105   boolean font_draw_xoffset_modified = FALSE;
7106   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7107   int font_draw_xoffset_old = -1;
7108   int xoffset = (scrollbar_needed ? -1 : 0);
7109   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7110   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7111   int xpos = menu_screen_value_xpos;
7112   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7113   int startx = mSX + xpos * 32;
7114   int starty = mSY + ypos * 32;
7115   int type = si->type;
7116   void *value = si->value;
7117   char *value_string = getSetupValue(type, value);
7118   int font_nr_default = getSetupValueFont(type, value);
7119   int font_width_default = getFontWidth(font_nr_default);
7120   int font_nr = font_nr_default;
7121   int i;
7122
7123   if (value_string == NULL)
7124     return;
7125
7126   if (type & TYPE_KEY)
7127   {
7128     xpos = MENU_SCREEN_START_XPOS;
7129
7130     if (type & TYPE_QUERY)
7131       value_string = "<press key>";
7132   }
7133   else if (type & TYPE_STRING)
7134   {
7135     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7136
7137     xpos = MENU_SCREEN_START_XPOS;
7138
7139     if (strlen(value_string) > max_value_len)
7140       value_string[max_value_len] = '\0';
7141   }
7142   else if (type & TYPE_YES_NO_AUTO)
7143   {
7144     xpos = menu_screen_value_xpos - 1;
7145   }
7146   else if (type & TYPE_PLAYER)
7147   {
7148     int displayed_player_nr = *(int *)value + 1;
7149
7150     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7151   }
7152
7153   startx = mSX + xpos * 32;
7154   starty = mSY + ypos * 32;
7155
7156   // special check if right-side setup values moved left due to scrollbar
7157   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7158   {
7159     int max_menu_text_length = 26;      // maximum text length for classic menu
7160     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7161     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7162     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7163     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7164     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7165
7166     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7167     {
7168       // when using narrow font, left-shifting text "auto" not needed
7169       if (type & TYPE_YES_NO_AUTO)
7170         xpos += 1;
7171
7172       xpos += 1;
7173       startx = mSX + xpos * 32;
7174
7175       font_nr = getSetupValueFontNarrow(type, font_nr);
7176     }
7177   }
7178
7179   // downward compatibility correction for Juergen Bonhagen's menu settings
7180   if (setup_mode != SETUP_MODE_INPUT)
7181   {
7182     int max_menu_text_length_big = (menu_screen_value_xpos -
7183                                     MENU_SCREEN_START_XPOS);
7184     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7185     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7186     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7187     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7188     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7189     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7190     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7191     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7192     boolean correct_font_draw_xoffset = FALSE;
7193
7194     if (xpos == MENU_SCREEN_START_XPOS &&
7195         startx + font1_xoffset < text_startx + text_font_xoffset)
7196       correct_font_draw_xoffset = TRUE;
7197
7198     if (xpos == menu_screen_value_xpos &&
7199         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7200       correct_font_draw_xoffset = TRUE;
7201
7202     // check if setup value would overlap with setup text when printed
7203     // (this can happen for extreme/wrong values for font draw offset)
7204     if (correct_font_draw_xoffset)
7205     {
7206       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7207       font_draw_xoffset_modified = TRUE;
7208
7209       if (type & TYPE_KEY)
7210         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7211       else if (!(type & TYPE_STRING))
7212         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7213           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7214     }
7215   }
7216
7217   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7218     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7219
7220   DrawText(startx, starty, value_string, font_nr);
7221
7222   if (type & TYPE_PLAYER)
7223   {
7224     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7225     int player_nr = *(int *)value;
7226     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7227     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7228     int startx2 = startx + xoff;
7229     int starty2 = starty + yoff;
7230
7231     if (DrawingOnBackground(startx2, starty2))
7232       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7233
7234     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7235                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7236   }
7237
7238   if (font_draw_xoffset_modified)
7239     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7240 }
7241
7242 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7243 {
7244   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7245   struct TokenInfo *si = &setup_info[si_pos];
7246
7247   if (si->type & TYPE_BOOLEAN_STYLE)
7248   {
7249     *(boolean *)si->value ^= TRUE;
7250   }
7251   else if (si->type & TYPE_YES_NO_AUTO)
7252   {
7253     *(int *)si->value =
7254       (dx == -1 ?
7255        (*(int *)si->value == AUTO ? TRUE :
7256         *(int *)si->value == TRUE ? FALSE : AUTO) :
7257        (*(int *)si->value == TRUE ? AUTO :
7258         *(int *)si->value == AUTO ? FALSE : TRUE));
7259   }
7260   else if (si->type & TYPE_KEY)
7261   {
7262     Key key;
7263
7264     si->type |= TYPE_QUERY;
7265     drawSetupValue(screen_pos, setup_info_pos_raw);
7266     si->type &= ~TYPE_QUERY;
7267
7268     key = getSetupKey();
7269     if (key != KSYM_UNDEFINED)
7270       *(Key *)si->value = key;
7271   }
7272   else if (si->type & TYPE_PLAYER)
7273   {
7274     int player_nr = *(int *)si->value;
7275
7276     if (dx)
7277       player_nr += dx;
7278     else
7279       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7280
7281     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7282   }
7283
7284   drawSetupValue(screen_pos, setup_info_pos_raw);
7285
7286   // fullscreen state may have changed at this point
7287   if (si->value == &setup.fullscreen)
7288     ToggleFullscreenIfNeeded();
7289
7290   // network mode may have changed at this point
7291   if (si->value == &setup.network_mode)
7292     ToggleNetworkModeIfNeeded();
7293
7294   // game speed list may have changed at this point
7295   if (si->value == &setup.game_speed_extended)
7296     ToggleGameSpeedsListIfNeeded();
7297 }
7298
7299 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7300 {
7301   static struct TokenInfo *setup_info_final = NULL;
7302   int list_size = 0;
7303   int list_pos = 0;
7304   int i;
7305
7306   // determine maximum list size of target list
7307   while (setup_info_orig[list_size++].type != 0);
7308
7309   // free, allocate and clear memory for target list
7310   checked_free(setup_info_final);
7311   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7312
7313   // copy setup info list without setup entries marked as hidden
7314   for (i = 0; setup_info_orig[i].type != 0; i++)
7315   {
7316     // skip setup entries configured to be hidden
7317     if (hideSetupEntry(setup_info_orig[i].value))
7318       continue;
7319
7320     // skip skippable setup entries if screen is lower than usual
7321     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7322         setup_info_orig[i].type == TYPE_SKIPPABLE)
7323       continue;
7324
7325     setup_info_final[list_pos++] = setup_info_orig[i];
7326   }
7327
7328   return setup_info_final;
7329 }
7330
7331 static void DrawSetupScreen_Generic(void)
7332 {
7333   int fade_mask = REDRAW_FIELD;
7334   boolean redraw_all = FALSE;
7335   char *title_string = NULL;
7336   int i;
7337
7338   if (CheckFadeAll())
7339     fade_mask = REDRAW_ALL;
7340
7341   UnmapAllGadgets();
7342   FadeMenuSoundsAndMusic();
7343
7344   FreeScreenGadgets();
7345   CreateScreenGadgets();
7346
7347   if (redraw_mask & REDRAW_ALL)
7348     redraw_all = TRUE;
7349
7350   FadeOut(fade_mask);
7351
7352   // needed if different viewport properties defined for setup screen
7353   ChangeViewportPropertiesIfNeeded();
7354
7355   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7356
7357   ClearField();
7358
7359   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7360
7361   if (setup_mode == SETUP_MODE_MAIN)
7362   {
7363     setup_info = setup_info_main;
7364     title_string = STR_SETUP_MAIN;
7365   }
7366   else if (setup_mode == SETUP_MODE_GAME)
7367   {
7368     setup_info = setup_info_game;
7369     title_string = STR_SETUP_GAME;
7370   }
7371   else if (setup_mode == SETUP_MODE_ENGINES)
7372   {
7373     setup_info = setup_info_engines;
7374     title_string = STR_SETUP_ENGINES;
7375   }
7376   else if (setup_mode == SETUP_MODE_EDITOR)
7377   {
7378     setup_info = setup_info_editor;
7379     title_string = STR_SETUP_EDITOR;
7380   }
7381   else if (setup_mode == SETUP_MODE_GRAPHICS)
7382   {
7383     setup_info = setup_info_graphics;
7384     title_string = STR_SETUP_GRAPHICS;
7385   }
7386   else if (setup_mode == SETUP_MODE_SOUND)
7387   {
7388     setup_info = setup_info_sound;
7389     title_string = STR_SETUP_SOUND;
7390   }
7391   else if (setup_mode == SETUP_MODE_ARTWORK)
7392   {
7393     setup_info = setup_info_artwork;
7394     title_string = STR_SETUP_ARTWORK;
7395   }
7396   else if (setup_mode == SETUP_MODE_TOUCH)
7397   {
7398     setup_info = setup_info_touch;
7399     title_string = STR_SETUP_TOUCH;
7400
7401     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7402       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7403     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7404       setup_info = setup_info_touch_wipe_gestures;
7405   }
7406   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7407   {
7408     setup_info = setup_info_shortcuts;
7409     title_string = STR_SETUP_SHORTCUTS;
7410   }
7411   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7412   {
7413     setup_info = setup_info_shortcuts_1;
7414     title_string = STR_SETUP_SHORTCUTS;
7415   }
7416   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7417   {
7418     setup_info = setup_info_shortcuts_2;
7419     title_string = STR_SETUP_SHORTCUTS;
7420   }
7421   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7422   {
7423     setup_info = setup_info_shortcuts_3;
7424     title_string = STR_SETUP_SHORTCUTS;
7425   }
7426   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7427   {
7428     setup_info = setup_info_shortcuts_4;
7429     title_string = STR_SETUP_SHORTCUTS;
7430   }
7431   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7432   {
7433     setup_info = setup_info_shortcuts_5;
7434     title_string = STR_SETUP_SHORTCUTS;
7435   }
7436
7437   // use modified setup info without setup entries marked as hidden
7438   setup_info = getSetupInfoFinal(setup_info);
7439
7440   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7441
7442   // determine maximal number of setup entries that can be displayed on screen
7443   num_setup_info = 0;
7444   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7445     num_setup_info++;
7446
7447   // determine maximal number of setup entries available for this setup screen
7448   max_setup_info = 0;
7449   for (i = 0; setup_info[i].type != 0; i++)
7450     max_setup_info++;
7451
7452   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7453
7454   MapScreenGadgets(max_setup_info);
7455
7456   if (redraw_all)
7457     redraw_mask = fade_mask = REDRAW_ALL;
7458
7459   DrawMaskedBorder(fade_mask);
7460
7461   FadeIn(fade_mask);
7462 }
7463
7464 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7465 {
7466   menu_info = setup_info;
7467
7468   HandleMenuScreen(mx, my, dx, dy, button,
7469                    setup_mode, num_setup_info, max_setup_info);
7470 }
7471
7472 static void DrawSetupScreen_Input(void)
7473 {
7474   int i;
7475
7476   FadeOut(REDRAW_FIELD);
7477
7478   ClearField();
7479
7480   setup_info = getSetupInfoFinal(setup_info_input);
7481
7482   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7483
7484   for (i = 0; setup_info[i].type != 0; i++)
7485   {
7486     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7487       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7488     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7489       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7490     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7491       initCursor(i, IMG_MENU_BUTTON);
7492
7493     DrawCursorAndText_Setup(i, -1, FALSE);
7494   }
7495
7496   // create gadgets for setup input menu screen
7497   FreeScreenGadgets();
7498   CreateScreenGadgets();
7499
7500   // map gadgets for setup input menu screen
7501   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7502
7503   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7504
7505   FadeIn(REDRAW_FIELD);
7506 }
7507
7508 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7509 {
7510   if (device_name == NULL)
7511     return;
7512
7513   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7514     device_nr = 0;
7515
7516   if (strlen(device_name) > 1)
7517   {
7518     char c1 = device_name[strlen(device_name) - 1];
7519     char c2 = device_name[strlen(device_name) - 2];
7520
7521     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7522       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7523   }
7524   else
7525     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7526             strlen(device_name));
7527 }
7528
7529 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7530 {
7531   int i;
7532   static struct SetupKeyboardInfo custom_key;
7533   static struct
7534   {
7535     Key *key;
7536     char *text;
7537   } custom[] =
7538   {
7539     { &custom_key.left,  "Axis/Pad Left"  },
7540     { &custom_key.right, "Axis/Pad Right" },
7541     { &custom_key.up,    "Axis/Pad Up"    },
7542     { &custom_key.down,  "Axis/Pad Down"  },
7543     { &custom_key.snap,  "Button 1/A/X"   },
7544     { &custom_key.drop,  "Button 2/B/Y"   }
7545   };
7546   static char *joystick_name[MAX_PLAYERS] =
7547   {
7548     "Joystick1",
7549     "Joystick2",
7550     "Joystick3",
7551     "Joystick4"
7552   };
7553   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7554   int font_nr_info = FONT_MENU_1;
7555   int font_nr_name = FONT_VALUE_OLD;
7556   int font_nr_on   = FONT_VALUE_1;
7557   int font_nr_off  = FONT_VALUE_OLD;
7558   int pos = 4;
7559
7560   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7561   {
7562     font_nr_info = FONT_MENU_2;
7563     font_nr_on   = FONT_VALUE_NARROW;
7564     font_nr_off  = FONT_VALUE_OLD_NARROW;
7565   }
7566
7567   custom_key = setup.input[player_nr].key;
7568
7569   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7570            FONT_INPUT_1_ACTIVE);
7571
7572   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7573                              TILEX, TILEY);
7574   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7575                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7576
7577   if (setup.input[player_nr].use_joystick)
7578   {
7579     char *device_name = setup.input[player_nr].joy.device_name;
7580     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7581     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7582     char *text = joystick_name[joystick_nr];
7583     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7584
7585     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7586     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7587   }
7588   else
7589   {
7590     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7591     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7592   }
7593
7594   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7595     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7596   else
7597     pos = 3;
7598
7599   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7600   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7601   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7602   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7603
7604   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7605   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7606   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7607   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7608   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7609   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7610
7611   for (i = 0; i < 6; i++)
7612   {
7613     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7614
7615     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7616              "              ", font_nr_on);
7617     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7618              (setup.input[player_nr].use_joystick ?
7619               custom[i].text :
7620               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7621   }
7622 }
7623
7624 static int input_player_nr = 0;
7625
7626 static void HandleSetupScreen_Input_Player(int step, int direction)
7627 {
7628   int old_player_nr = input_player_nr;
7629   int new_player_nr;
7630
7631   new_player_nr = old_player_nr + step * direction;
7632   if (new_player_nr < 0)
7633     new_player_nr = 0;
7634   if (new_player_nr > MAX_PLAYERS - 1)
7635     new_player_nr = MAX_PLAYERS - 1;
7636
7637   if (new_player_nr != old_player_nr)
7638   {
7639     input_player_nr = new_player_nr;
7640
7641     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7642   }
7643 }
7644
7645 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7646 {
7647   static int choice = 0;
7648   int x = 0;
7649   int y = choice;
7650   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7651   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7652   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7653   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7654
7655   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7656   {
7657     int i;
7658
7659     for (i = 0; setup_info_input[i].type != 0; i++)
7660     {
7661       // adjust menu structure according to skipped setup entries
7662       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7663       {
7664         pos_empty2--;
7665         pos_end--;
7666       }
7667     }
7668   }
7669
7670   if (button == MB_MENU_INITIALIZE)
7671   {
7672     // input setup menu may have changed size due to graphics configuration
7673     if (choice >= pos_empty1)
7674       choice = pos_end;
7675
7676     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7677
7678     DrawCursorAndText_Setup(choice, -1, TRUE);
7679
7680     return;
7681   }
7682   else if (button == MB_MENU_LEAVE)
7683   {
7684     setup_mode = SETUP_MODE_MAIN;
7685     DrawSetupScreen();
7686     InitJoysticks();
7687
7688     return;
7689   }
7690
7691   if (mx || my)         // mouse input
7692   {
7693     x = (mx - mSX) / 32;
7694     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7695   }
7696   else if (dx || dy)    // keyboard input
7697   {
7698     if (dx && choice == 0)
7699       x = (dx < 0 ? 10 : 12);
7700     else if ((dx && choice == 1) ||
7701              (dx == -1 && choice == pos_end))
7702       button = MB_MENU_CHOICE;
7703     else if (dy)
7704       y = choice + dy;
7705
7706     if (y >= pos_empty1 && y <= pos_empty2)
7707       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7708   }
7709
7710   if (y == 0 && dx != 0 && button)
7711   {
7712     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7713   }
7714   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7715            y >= pos_start && y <= pos_end &&
7716            !(y >= pos_empty1 && y <= pos_empty2))
7717   {
7718     if (button)
7719     {
7720       if (y != choice)
7721       {
7722         DrawCursorAndText_Setup(choice, -1, FALSE);
7723         DrawCursorAndText_Setup(y, -1, TRUE);
7724
7725         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7726
7727         choice = y;
7728       }
7729     }
7730     else
7731     {
7732       if (y == 1)
7733       {
7734         char *device_name = setup.input[input_player_nr].joy.device_name;
7735
7736         if (!setup.input[input_player_nr].use_joystick)
7737         {
7738           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7739
7740           setJoystickDeviceToNr(device_name, new_device_nr);
7741           setup.input[input_player_nr].use_joystick = TRUE;
7742         }
7743         else
7744         {
7745           int device_nr = getJoystickNrFromDeviceName(device_name);
7746           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7747
7748           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7749             setup.input[input_player_nr].use_joystick = FALSE;
7750           else
7751             setJoystickDeviceToNr(device_name, new_device_nr);
7752         }
7753
7754         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7755       }
7756       else if (y == 2)
7757       {
7758         if (setup.input[input_player_nr].use_joystick)
7759           ConfigureJoystick(input_player_nr);
7760         else
7761           CustomizeKeyboard(input_player_nr);
7762       }
7763       else if (y == pos_end)
7764       {
7765         InitJoysticks();
7766
7767         FadeSetLeaveMenu();
7768
7769         setup_mode = SETUP_MODE_MAIN;
7770         DrawSetupScreen();
7771       }
7772     }
7773   }
7774 }
7775
7776 static boolean CustomizeKeyboardMain(int player_nr)
7777 {
7778   int i;
7779   int step_nr;
7780   boolean finished = FALSE;
7781   static struct SetupKeyboardInfo custom_key;
7782   static struct
7783   {
7784     Key *key;
7785     char *text;
7786   } customize_step[] =
7787   {
7788     { &custom_key.left,  "Move Left"    },
7789     { &custom_key.right, "Move Right"   },
7790     { &custom_key.up,    "Move Up"      },
7791     { &custom_key.down,  "Move Down"    },
7792     { &custom_key.snap,  "Snap Field"   },
7793     { &custom_key.drop,  "Drop Element" }
7794   };
7795   int font_nr_old = FONT_VALUE_OLD;
7796   int font_nr_new = FONT_VALUE_1;
7797   boolean success = FALSE;
7798
7799   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7800   {
7801     font_nr_old = FONT_VALUE_OLD_NARROW;
7802     font_nr_new = FONT_VALUE_NARROW;
7803   }
7804
7805   // read existing key bindings from player setup
7806   custom_key = setup.input[player_nr].key;
7807
7808   FadeSetEnterMenu();
7809   FadeOut(REDRAW_FIELD);
7810
7811   ClearField();
7812
7813   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7814
7815   step_nr = 0;
7816   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7817            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7818   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7819            "Key:", FONT_INPUT_1_ACTIVE);
7820   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7821            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7822
7823   FadeIn(REDRAW_FIELD);
7824
7825   while (!finished)
7826   {
7827     Event event;
7828
7829     if (NextValidEvent(&event))
7830     {
7831       switch (event.type)
7832       {
7833         case EVENT_KEYPRESS:
7834           {
7835             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7836
7837             // press 'Escape' to abort and keep the old key bindings
7838             if (key == KSYM_Escape)
7839             {
7840               FadeSkipNextFadeIn();
7841
7842               finished = TRUE;
7843
7844               break;
7845             }
7846
7847             // press 'Enter' to keep the existing key binding
7848             if (key == KSYM_Return)
7849               key = *customize_step[step_nr].key;
7850
7851             // check if key already used
7852             for (i = 0; i < step_nr; i++)
7853               if (*customize_step[i].key == key)
7854                 break;
7855             if (i < step_nr)
7856               break;
7857
7858             // got new key binding
7859             *customize_step[step_nr].key = key;
7860             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7861                      "             ", font_nr_new);
7862             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7863                      getKeyNameFromKey(key), font_nr_new);
7864             step_nr++;
7865
7866             // un-highlight last query
7867             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7868                      customize_step[step_nr - 1].text, FONT_MENU_1);
7869             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7870                      "Key:", FONT_MENU_1);
7871
7872             // all keys configured
7873             if (step_nr == 6)
7874             {
7875               finished = TRUE;
7876               success = TRUE;
7877
7878               break;
7879             }
7880
7881             // query next key binding
7882             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7883                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7884             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7885                      "Key:", FONT_INPUT_1_ACTIVE);
7886             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7887                      getKeyNameFromKey(*customize_step[step_nr].key),
7888                      font_nr_old);
7889           }
7890           break;
7891
7892         case EVENT_KEYRELEASE:
7893           key_joystick_mapping = 0;
7894           break;
7895
7896         default:
7897           HandleOtherEvents(&event);
7898           break;
7899       }
7900     }
7901
7902     BackToFront();
7903   }
7904
7905   // write new key bindings back to player setup, if successfully finished
7906   if (success)
7907     setup.input[player_nr].key = custom_key;
7908
7909   return success;
7910 }
7911
7912 void CustomizeKeyboard(int player_nr)
7913 {
7914   boolean success = CustomizeKeyboardMain(player_nr);
7915
7916   if (success)
7917   {
7918     int font_nr = FONT_TITLE_1;
7919     int font_height = getFontHeight(font_nr);
7920     int ypos1 = SYSIZE / 2 - font_height * 2;
7921     int ypos2 = SYSIZE / 2 - font_height * 1;
7922     unsigned int wait_frame_delay = 0;
7923     unsigned int wait_frame_delay_value = 2000;
7924
7925     ResetDelayCounter(&wait_frame_delay);
7926
7927     ClearField();
7928
7929     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7930     DrawTextSCentered(ypos2, font_nr, "configured!");
7931
7932     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7933       BackToFront();
7934
7935     ClearEventQueue();
7936   }
7937
7938   DrawSetupScreen_Input();
7939 }
7940
7941 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
7942
7943 #define MARKER_BUTTON           1
7944 #define MARKER_AXIS_X           2
7945 #define MARKER_AXIS_Y           3
7946
7947 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7948 {
7949   static boolean bitmaps_initialized = FALSE;
7950   boolean screen_initialized = FALSE;
7951   static Bitmap *controller, *button, *axis_x, *axis_y;
7952   char *name;
7953   boolean success = TRUE;
7954   boolean done = FALSE, next = FALSE;
7955   Event event;
7956   int alpha = 200, alpha_step = -1;
7957   int alpha_ticks = 0;
7958   char mapping[4096], temp[256];
7959   int font_name = MENU_SETUP_FONT_TITLE;
7960   int font_info = MENU_SETUP_FONT_TEXT;
7961   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7962   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7963   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7964   int ystep_name = getMenuTextStep(spacing_name, font_name);
7965   int ystep_line = getMenuTextStep(spacing_line, font_info);
7966   int ystep_para = getMenuTextStep(spacing_para, font_info);
7967   int i, j;
7968
7969   struct
7970   {
7971     int x, y;
7972     int marker;
7973     char *field;
7974     int axis, button, hat, hat_value;
7975     char mapping[4096];
7976   }
7977   *step, *prev_step, steps[] =
7978   {
7979     { 356, 155, MARKER_BUTTON, "a",             },
7980     { 396, 122, MARKER_BUTTON, "b",             },
7981     { 320, 125, MARKER_BUTTON, "x",             },
7982     { 358,  95, MARKER_BUTTON, "y",             },
7983     { 162, 125, MARKER_BUTTON, "back",          },
7984     { 216, 125, MARKER_BUTTON, "guide",         },
7985     { 271, 125, MARKER_BUTTON, "start",         },
7986     { 110, 200, MARKER_BUTTON, "dpleft",        },
7987     { 146, 228, MARKER_BUTTON, "dpdown",        },
7988     { 178, 200, MARKER_BUTTON, "dpright",       },
7989     { 146, 172, MARKER_BUTTON, "dpup",          },
7990     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7991     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7992     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7993     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7994     {  73, 141, MARKER_BUTTON, "leftstick",     },
7995     { 282, 210, MARKER_BUTTON, "rightstick",    },
7996     {  73, 141, MARKER_AXIS_X, "leftx",         },
7997     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7998     { 282, 210, MARKER_AXIS_X, "rightx",        },
7999     { 282, 210, MARKER_AXIS_Y, "righty",        },
8000   };
8001
8002   unsigned int event_frame_delay = 0;
8003   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8004
8005   ResetDelayCounter(&event_frame_delay);
8006
8007   if (!bitmaps_initialized)
8008   {
8009     controller = LoadCustomImage("joystick/controller.png");
8010     button     = LoadCustomImage("joystick/button.png");
8011     axis_x     = LoadCustomImage("joystick/axis_x.png");
8012     axis_y     = LoadCustomImage("joystick/axis_y.png");
8013
8014     bitmaps_initialized = TRUE;
8015   }
8016
8017   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8018
8019 #if DEBUG_JOYSTICKS
8020   // print info about the joystick we are watching
8021   Debug("joystick", "watching joystick %d: (%s)",
8022         SDL_JoystickInstanceID(joystick), name);
8023   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8024         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8025         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8026 #endif
8027
8028   // initialize mapping with GUID and name
8029   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8030
8031   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8032            temp, name, SDL_GetPlatform());
8033
8034   // loop through all steps (buttons and axes), getting joystick events
8035   for (i = 0; i < SDL_arraysize(steps) && !done;)
8036   {
8037     Bitmap *marker = button;    // initialize with reliable default value
8038
8039     step = &steps[i];
8040     strcpy(step->mapping, mapping);
8041     step->axis = -1;
8042     step->button = -1;
8043     step->hat = -1;
8044     step->hat_value = -1;
8045
8046     marker = (step->marker == MARKER_BUTTON ? button :
8047               step->marker == MARKER_AXIS_X ? axis_x :
8048               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8049
8050     next = FALSE;
8051
8052     while (!done && !next)
8053     {
8054       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8055       alpha_ticks = SDL_GetTicks();
8056
8057       if (alpha >= 255)
8058       {
8059         alpha = 255;
8060         alpha_step = -1;
8061       }
8062       else if (alpha < 128)
8063       {
8064         alpha = 127;
8065         alpha_step = 1;
8066       }
8067
8068       int controller_x = SX + (SXSIZE - controller->width) / 2;
8069       int controller_y = SY + ystep_line;
8070
8071       int marker_x = controller_x + step->x;
8072       int marker_y = controller_y + step->y;
8073
8074       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8075       int ystart2 = ystart1 + ystep_name + ystep_line;
8076
8077       ClearField();
8078
8079       DrawTextSCentered(ystart1, font_name, name);
8080
8081       DrawTextSCentered(ystart2, font_info,
8082                         "Press buttons and move axes on");
8083       ystart2 += ystep_line;
8084       DrawTextSCentered(ystart2, font_info,
8085                         "your controller when indicated.");
8086       ystart2 += ystep_line;
8087       DrawTextSCentered(ystart2, font_info,
8088                         "(Your controller may look different.)");
8089       ystart2 += ystep_para;
8090
8091 #if defined(PLATFORM_ANDROID)
8092       DrawTextSCentered(ystart2, font_info,
8093                         "To correct a mistake,");
8094       ystart2 += ystep_line;
8095       DrawTextSCentered(ystart2, font_info,
8096                         "press the 'back' button.");
8097       ystart2 += ystep_line;
8098       DrawTextSCentered(ystart2, font_info,
8099                         "To skip a button or axis,");
8100       ystart2 += ystep_line;
8101       DrawTextSCentered(ystart2, font_info,
8102                         "press the 'menu' button.");
8103 #else
8104       DrawTextSCentered(ystart2, font_info,
8105                         "To correct a mistake,");
8106       ystart2 += ystep_line;
8107       DrawTextSCentered(ystart2, font_info,
8108                         "press the 'backspace' key.");
8109       ystart2 += ystep_line;
8110       DrawTextSCentered(ystart2, font_info,
8111                         "To skip a button or axis,");
8112       ystart2 += ystep_line;
8113       DrawTextSCentered(ystart2, font_info,
8114                         "press the 'return' key.");
8115       ystart2 += ystep_line;
8116       DrawTextSCentered(ystart2, font_info,
8117                         "To exit, press the 'escape' key.");
8118 #endif
8119
8120       BlitBitmapMasked(controller, drawto, 0, 0,
8121                        controller->width, controller->height,
8122                        controller_x, controller_y);
8123
8124       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8125       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8126
8127       BlitBitmapMasked(marker, drawto, 0, 0,
8128                        marker->width, marker->height,
8129                        marker_x, marker_y);
8130
8131       if (!screen_initialized)
8132         FadeIn(REDRAW_FIELD);
8133       else
8134         BackToFront();
8135
8136       screen_initialized = TRUE;
8137
8138       while (NextValidEvent(&event))
8139       {
8140         switch (event.type)
8141         {
8142           case SDL_JOYAXISMOTION:
8143             if (event.jaxis.value > 20000 ||
8144                 event.jaxis.value < -20000)
8145             {
8146               for (j = 0; j < i; j++)
8147                 if (steps[j].axis == event.jaxis.axis)
8148                   break;
8149
8150               if (j == i)
8151               {
8152                 if (step->marker != MARKER_AXIS_X &&
8153                     step->marker != MARKER_AXIS_Y)
8154                   break;
8155
8156                 step->axis = event.jaxis.axis;
8157                 strcat(mapping, step->field);
8158                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8159                 strcat(mapping, temp);
8160                 i++;
8161                 next = TRUE;
8162               }
8163             }
8164
8165             break;
8166
8167           case SDL_JOYHATMOTION:
8168             // ignore centering; we're probably just coming back
8169             // to the center from the previous item we set
8170             if (event.jhat.value == SDL_HAT_CENTERED)
8171               break;
8172
8173             for (j = 0; j < i; j++)
8174               if (steps[j].hat == event.jhat.hat &&
8175                   steps[j].hat_value == event.jhat.value)
8176                 break;
8177
8178             if (j == i)
8179             {
8180               step->hat = event.jhat.hat;
8181               step->hat_value = event.jhat.value;
8182               strcat(mapping, step->field);
8183               snprintf(temp, sizeof(temp), ":h%u.%u,",
8184                        event.jhat.hat, event.jhat.value );
8185               strcat(mapping, temp);
8186               i++;
8187               next = TRUE;
8188             }
8189
8190             break;
8191
8192           case SDL_JOYBALLMOTION:
8193             break;
8194
8195           case SDL_JOYBUTTONUP:
8196             for (j = 0; j < i; j++)
8197               if (steps[j].button == event.jbutton.button)
8198                 break;
8199
8200             if (j == i)
8201             {
8202               step->button = event.jbutton.button;
8203               strcat(mapping, step->field);
8204               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8205               strcat(mapping, temp);
8206               i++;
8207               next = TRUE;
8208             }
8209
8210             break;
8211
8212           case SDL_FINGERDOWN:
8213           case SDL_MOUSEBUTTONDOWN:
8214             // skip this step
8215             i++;
8216             next = TRUE;
8217
8218             break;
8219
8220           case SDL_KEYDOWN:
8221             if (event.key.keysym.sym == KSYM_BackSpace ||
8222                 event.key.keysym.sym == KSYM_Back)
8223             {
8224               if (i == 0)
8225               {
8226                 // leave screen
8227                 success = FALSE;
8228                 done = TRUE;
8229
8230                 break;
8231               }
8232
8233               // undo this step
8234               prev_step = &steps[i - 1];
8235               strcpy(mapping, prev_step->mapping);
8236               i--;
8237               next = TRUE;
8238
8239               break;
8240             }
8241
8242             if (event.key.keysym.sym == KSYM_space ||
8243                 event.key.keysym.sym == KSYM_Return ||
8244                 event.key.keysym.sym == KSYM_Menu)
8245             {
8246               // skip this step
8247               i++;
8248               next = TRUE;
8249
8250               break;
8251             }
8252
8253             if (event.key.keysym.sym == KSYM_Escape)
8254             {
8255               // leave screen
8256               success = FALSE;
8257               done = TRUE;
8258             }
8259
8260             break;
8261
8262           case SDL_QUIT:
8263             program.exit_function(0);
8264             break;
8265
8266           default:
8267             break;
8268         }
8269
8270         // do not handle events for longer than standard frame delay period
8271         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8272           break;
8273       }
8274     }
8275   }
8276
8277   if (success)
8278   {
8279 #if DEBUG_JOYSTICKS
8280     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8281 #endif
8282
8283     // activate mapping for this game
8284     SDL_GameControllerAddMapping(mapping);
8285
8286     // save mapping to personal mappings
8287     SaveSetup_AddGameControllerMapping(mapping);
8288   }
8289
8290   // wait until the last pending event was removed from event queue
8291   while (NextValidEvent(&event));
8292
8293   return success;
8294 }
8295
8296 static int ConfigureJoystickMain(int player_nr)
8297 {
8298   char *device_name = setup.input[player_nr].joy.device_name;
8299   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8300   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8301   int success = FALSE;
8302   int i;
8303
8304   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8305     return JOYSTICK_NOT_AVAILABLE;
8306
8307   if (!joystick_active || !setup.input[player_nr].use_joystick)
8308     return JOYSTICK_NOT_AVAILABLE;
8309
8310   FadeSetEnterMenu();
8311   FadeOut(REDRAW_FIELD);
8312
8313   // close all joystick devices (potentially opened as game controllers)
8314   for (i = 0; i < SDL_NumJoysticks(); i++)
8315     SDLCloseJoystick(i);
8316
8317   // open joystick device as plain joystick to configure as game controller
8318   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8319
8320   // as the joystick was successfully opened before, this should not happen
8321   if (joystick == NULL)
8322     return FALSE;
8323
8324   // create new game controller mapping (buttons and axes) for joystick device
8325   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8326
8327   // close joystick (and maybe re-open as configured game controller later)
8328   SDL_JoystickClose(joystick);
8329
8330   // re-open all joystick devices (potentially as game controllers)
8331   for (i = 0; i < SDL_NumJoysticks(); i++)
8332     SDLOpenJoystick(i);
8333
8334   // clear all joystick input actions for all joystick devices
8335   SDLClearJoystickState();
8336
8337   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8338 }
8339
8340 void ConfigureJoystick(int player_nr)
8341 {
8342   boolean state = ConfigureJoystickMain(player_nr);
8343
8344   if (state != JOYSTICK_NOT_CONFIGURED)
8345   {
8346     boolean success = (state == JOYSTICK_CONFIGURED);
8347     char message1[MAX_OUTPUT_LINESIZE + 1];
8348     char *message2 = (success ? "configured!" : "not available!");
8349     char *device_name = setup.input[player_nr].joy.device_name;
8350     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8351     int font_nr = FONT_TITLE_1;
8352     int font_height = getFontHeight(font_nr);
8353     int ypos1 = SYSIZE / 2 - font_height * 2;
8354     int ypos2 = SYSIZE / 2 - font_height * 1;
8355     unsigned int wait_frame_delay = 0;
8356     unsigned int wait_frame_delay_value = 2000;
8357
8358     ResetDelayCounter(&wait_frame_delay);
8359
8360     ClearField();
8361
8362     sprintf(message1, "Joystick %d", nr);
8363
8364     DrawTextSCentered(ypos1, font_nr, message1);
8365     DrawTextSCentered(ypos2, font_nr, message2);
8366
8367     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8368       BackToFront();
8369
8370     ClearEventQueue();
8371   }
8372
8373   DrawSetupScreen_Input();
8374 }
8375
8376 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8377 {
8378   if (y < video.screen_height / 3)
8379   {
8380     // remap touch gadgets to access upper part of the screen
8381     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8382     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8383   }
8384   else if (y > 2 * video.screen_height / 3)
8385   {
8386     // remap touch gadgets to access lower part of the screen
8387     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8388     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8389   }
8390 }
8391
8392 static boolean ConfigureVirtualButtonsMain(void)
8393 {
8394   static char *customize_step_text[] =
8395   {
8396     "Move Left",
8397     "Move Right",
8398     "Move Up",
8399     "Move Down",
8400     "Snap Field",
8401     "Drop Element"
8402   };
8403   char grid_button[] =
8404   {
8405     CHAR_GRID_BUTTON_LEFT,
8406     CHAR_GRID_BUTTON_RIGHT,
8407     CHAR_GRID_BUTTON_UP,
8408     CHAR_GRID_BUTTON_DOWN,
8409     CHAR_GRID_BUTTON_SNAP,
8410     CHAR_GRID_BUTTON_DROP
8411   };
8412   enum
8413   {
8414     ACTION_NONE,
8415     ACTION_ESCAPE,
8416     ACTION_BACK,
8417     ACTION_NEXT
8418   };
8419   int font_nr = FONT_INPUT_1_ACTIVE;
8420   int font_height = getFontHeight(font_nr);
8421   int ypos1 = SYSIZE / 2 - font_height * 2;
8422   int ypos2 = SYSIZE / 2 - font_height * 1;
8423   boolean success = FALSE;
8424   boolean finished = FALSE;
8425   int step_nr = 0;
8426   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8427   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8428   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8429   boolean set_grid_button = FALSE;
8430   int nr = GRID_ACTIVE_NR();
8431   int x, y;
8432
8433   for (x = 0; x < MAX_GRID_XSIZE; x++)
8434     for (y = 0; y < MAX_GRID_YSIZE; y++)
8435       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8436
8437   overlay.grid_button_highlight = grid_button[step_nr];
8438
8439   UnmapAllGadgets();
8440
8441   FadeSetEnterMenu();
8442   FadeOut(REDRAW_FIELD);
8443
8444   ClearField();
8445
8446   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8447   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8448   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8449
8450   FadeIn(REDRAW_FIELD);
8451
8452   SetOverlayShowGrid(TRUE);
8453
8454   // map gadgets for setup touch buttons menu screen
8455   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8456
8457   while (!finished)
8458   {
8459     Event event;
8460
8461     while (NextValidEvent(&event))
8462     {
8463       int action = ACTION_NONE;
8464
8465       // ---------- handle events and set the resulting action ----------
8466
8467       switch (event.type)
8468       {
8469         case EVENT_USER:
8470           {
8471             UserEvent *user = (UserEvent *)&event;
8472             int id = user->value1;
8473
8474             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8475                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8476                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8477                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8478                       ACTION_NONE);
8479           }
8480           break;
8481
8482         case EVENT_KEYPRESS:
8483           {
8484             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8485
8486             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8487                       key == KSYM_BackSpace ||
8488                       key == KSYM_Back ?        ACTION_BACK :
8489                       key == KSYM_Return ||
8490                       key == KSYM_Menu ||
8491                       key == KSYM_space ?       ACTION_NEXT :
8492                       ACTION_NONE);
8493           }
8494           break;
8495
8496         case EVENT_KEYRELEASE:
8497           key_joystick_mapping = 0;
8498           break;
8499
8500         case EVENT_BUTTONPRESS:
8501         case EVENT_BUTTONRELEASE:
8502           {
8503             ButtonEvent *button = (ButtonEvent *)&event;
8504
8505             motion_status = FALSE;
8506
8507             if (button->type == EVENT_BUTTONPRESS)
8508               button_status = button->button;
8509             else
8510               button_status = MB_RELEASED;
8511
8512             if (HandleGadgets(button->x, button->y, button_status))
8513             {
8514               // do not handle this button event anymore
8515               break;
8516             }
8517
8518             button->x += video.screen_xoffset;
8519             button->y += video.screen_yoffset;
8520
8521             x = button->x * overlay.grid_xsize / video.screen_width;
8522             y = button->y * overlay.grid_ysize / video.screen_height;
8523
8524             if (button->type == EVENT_BUTTONPRESS)
8525             {
8526               grid_button_draw =
8527                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8528                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8529
8530               set_grid_button = TRUE;
8531             }
8532
8533             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8534           }
8535           break;
8536
8537         case EVENT_MOTIONNOTIFY:
8538           {
8539             MotionEvent *motion = (MotionEvent *)&event;
8540
8541             motion_status = TRUE;
8542
8543             if (HandleGadgets(motion->x, motion->y, button_status))
8544             {
8545               // do not handle this button event anymore
8546               break;
8547             }
8548
8549             motion->x += video.screen_xoffset;
8550             motion->y += video.screen_yoffset;
8551
8552             x = motion->x * overlay.grid_xsize / video.screen_width;
8553             y = motion->y * overlay.grid_ysize / video.screen_height;
8554
8555             set_grid_button = TRUE;
8556
8557             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8558           }
8559           break;
8560
8561         case SDL_WINDOWEVENT:
8562           HandleWindowEvent((WindowEvent *) &event);
8563
8564           // check if device has been rotated
8565           if (nr != GRID_ACTIVE_NR())
8566           {
8567             nr = GRID_ACTIVE_NR();
8568
8569             for (x = 0; x < MAX_GRID_XSIZE; x++)
8570               for (y = 0; y < MAX_GRID_YSIZE; y++)
8571                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8572                   overlay.grid_button[x][y];
8573           }
8574
8575           break;
8576
8577         case SDL_APP_WILLENTERBACKGROUND:
8578         case SDL_APP_DIDENTERBACKGROUND:
8579         case SDL_APP_WILLENTERFOREGROUND:
8580         case SDL_APP_DIDENTERFOREGROUND:
8581           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8582           break;
8583
8584         default:
8585           HandleOtherEvents(&event);
8586           break;
8587       }
8588
8589       // ---------- perform action set by handling events ----------
8590
8591       if (action == ACTION_ESCAPE)
8592       {
8593         // abort and restore the old key bindings
8594
8595         for (x = 0; x < MAX_GRID_XSIZE; x++)
8596           for (y = 0; y < MAX_GRID_YSIZE; y++)
8597             overlay.grid_button[x][y] = grid_button_old[x][y];
8598
8599         FadeSkipNextFadeIn();
8600
8601         finished = TRUE;
8602       }
8603       else if (action == ACTION_BACK)
8604       {
8605         // keep the configured key bindings and go to previous page
8606
8607         step_nr--;
8608
8609         if (step_nr < 0)
8610         {
8611           FadeSkipNextFadeIn();
8612
8613           finished = TRUE;
8614         }
8615       }
8616       else if (action == ACTION_NEXT)
8617       {
8618         // keep the configured key bindings and go to next page
8619
8620         step_nr++;
8621
8622         // all virtual buttons configured
8623         if (step_nr == 6)
8624         {
8625           finished = TRUE;
8626           success = TRUE;
8627         }
8628       }
8629
8630       if (action != ACTION_NONE && !finished)
8631       {
8632         for (x = 0; x < MAX_GRID_XSIZE; x++)
8633           for (y = 0; y < MAX_GRID_YSIZE; y++)
8634             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8635
8636         overlay.grid_button_highlight = grid_button[step_nr];
8637
8638         // configure next virtual button
8639
8640         ClearField();
8641
8642         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8643         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8644         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8645       }
8646
8647       if (set_grid_button)
8648       {
8649         overlay.grid_button[x][y] =
8650           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8651            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8652            grid_button_tmp[x][y]);
8653
8654         set_grid_button = FALSE;
8655       }
8656     }
8657
8658     BackToFront();
8659   }
8660
8661   for (x = 0; x < MAX_GRID_XSIZE; x++)
8662     for (y = 0; y < MAX_GRID_YSIZE; y++)
8663       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8664
8665   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8666
8667   SetOverlayShowGrid(FALSE);
8668
8669   return success;
8670 }
8671
8672 void ConfigureVirtualButtons(void)
8673 {
8674   boolean success = ConfigureVirtualButtonsMain();
8675
8676   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8677                          SCREEN_MASK_TOUCH2);
8678
8679   if (success)
8680   {
8681     int font_nr = FONT_TITLE_1;
8682     int font_height = getFontHeight(font_nr);
8683     int ypos1 = SYSIZE / 2 - font_height * 2;
8684     int ypos2 = SYSIZE / 2 - font_height * 1;
8685     unsigned int wait_frame_delay = 0;
8686     unsigned int wait_frame_delay_value = 2000;
8687
8688     ResetDelayCounter(&wait_frame_delay);
8689
8690     ClearField();
8691
8692     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8693     DrawTextSCentered(ypos2, font_nr, "configured!");
8694
8695     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8696       BackToFront();
8697
8698     ClearEventQueue();
8699   }
8700 }
8701
8702 void DrawSetupScreen(void)
8703 {
8704   align_xoffset = 0;
8705   align_yoffset = 0;
8706
8707   if (setup_mode == SETUP_MODE_INPUT)
8708     DrawSetupScreen_Input();
8709   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8710     DrawChooseTree(&game_speed_current);
8711   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8712     DrawChooseTree(&scroll_delay_current);
8713   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8714     DrawChooseTree(&snapshot_mode_current);
8715   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8716     DrawChooseTree(&window_size_current);
8717   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8718     DrawChooseTree(&scaling_type_current);
8719   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8720     DrawChooseTree(&rendering_mode_current);
8721   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8722     DrawChooseTree(&vsync_mode_current);
8723   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8724     DrawChooseTree(&artwork.gfx_current);
8725   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8726     DrawChooseTree(&artwork.snd_current);
8727   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8728     DrawChooseTree(&artwork.mus_current);
8729   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8730     DrawChooseTree(&volume_simple_current);
8731   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8732     DrawChooseTree(&volume_loops_current);
8733   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8734     DrawChooseTree(&volume_music_current);
8735   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8736     DrawChooseTree(&touch_control_current);
8737   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8738     DrawChooseTree(&move_distance_current);
8739   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8740     DrawChooseTree(&drop_distance_current);
8741   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8742     DrawChooseTree(&transparency_current);
8743   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8744     DrawChooseTree(&grid_size_current[0][0]);
8745   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8746     DrawChooseTree(&grid_size_current[0][1]);
8747   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8748     DrawChooseTree(&grid_size_current[1][0]);
8749   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8750     DrawChooseTree(&grid_size_current[1][1]);
8751   else
8752     DrawSetupScreen_Generic();
8753
8754   PlayMenuSoundsAndMusic();
8755 }
8756
8757 void RedrawSetupScreenAfterFullscreenToggle(void)
8758 {
8759   if (setup_mode == SETUP_MODE_GRAPHICS ||
8760       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8761   {
8762     // update list selection from "setup.window_scaling_percent"
8763     execSetupGraphics_setWindowSizes(TRUE);
8764
8765     DrawSetupScreen();
8766   }
8767 }
8768
8769 void RedrawSetupScreenAfterScreenRotation(int nr)
8770 {
8771   int x, y;
8772
8773   if (setup_mode == SETUP_MODE_TOUCH)
8774   {
8775     // update virtual button settings (depending on screen orientation)
8776     DrawSetupScreen();
8777   }
8778   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8779   {
8780     // save already configured virtual buttons
8781     for (x = 0; x < MAX_GRID_XSIZE; x++)
8782       for (y = 0; y < MAX_GRID_YSIZE; y++)
8783         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8784   }
8785 }
8786
8787 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8788 {
8789   if (setup_mode == SETUP_MODE_INPUT)
8790     HandleSetupScreen_Input(mx, my, dx, dy, button);
8791   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8792     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8793   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8794     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8795   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8796     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8797   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8798     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8799   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8800     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8801   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8802     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8803   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8804     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8805   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8806     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8807   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8808     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8809   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8810     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8811   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8812     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8813   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8814     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8815   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8816     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8817   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8818     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8819   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8820     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8821   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8822     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8823   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8824     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8825   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8826     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8827   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8828     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8829   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8830     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8831   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8832     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8833   else
8834     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8835 }
8836
8837 void HandleGameActions(void)
8838 {
8839   if (setup.ask_on_game_over)
8840     CheckGameOver();
8841
8842   if (game.restart_game_message != NULL)
8843   {
8844     RequestRestartGame(game.restart_game_message);
8845
8846     return;
8847   }
8848
8849   if (game_status != GAME_MODE_PLAYING)
8850     return;
8851
8852   GameActions();        // main game loop
8853
8854   if (tape.auto_play && !tape.playing)
8855     AutoPlayTapes();    // continue automatically playing next tape
8856 }
8857
8858
8859 // ---------- new screen button stuff --------------------------------------
8860
8861 static struct
8862 {
8863   int gfx_unpressed, gfx_pressed;
8864   struct MenuPosInfo *pos;
8865   boolean *check_value;
8866   int gadget_id;
8867   int screen_mask;
8868   unsigned int event_mask;
8869   boolean is_touch_button;
8870   char *infotext;
8871 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8872 {
8873   {
8874     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8875     &menu.main.button.prev_level, NULL,
8876     SCREEN_CTRL_ID_PREV_LEVEL,
8877     SCREEN_MASK_MAIN,
8878     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8879     FALSE, "previous level"
8880   },
8881   {
8882     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8883     &menu.main.button.next_level, NULL,
8884     SCREEN_CTRL_ID_NEXT_LEVEL,
8885     SCREEN_MASK_MAIN,
8886     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8887     FALSE, "next level"
8888   },
8889   {
8890     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
8891     &menu.main.button.first_level, NULL,
8892     SCREEN_CTRL_ID_FIRST_LEVEL,
8893     SCREEN_MASK_MAIN,
8894     GD_EVENT_RELEASED,
8895     FALSE, "first level"
8896   },
8897   {
8898     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
8899     &menu.main.button.last_level, NULL,
8900     SCREEN_CTRL_ID_LAST_LEVEL,
8901     SCREEN_MASK_MAIN,
8902     GD_EVENT_RELEASED,
8903     FALSE, "last level"
8904   },
8905   {
8906     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
8907     &menu.main.button.level_number, NULL,
8908     SCREEN_CTRL_ID_LEVEL_NUMBER,
8909     SCREEN_MASK_MAIN,
8910     GD_EVENT_RELEASED,
8911     FALSE, "level number"
8912   },
8913   {
8914     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8915     &menu.setup.button.prev_player, NULL,
8916     SCREEN_CTRL_ID_PREV_PLAYER,
8917     SCREEN_MASK_INPUT,
8918     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8919     FALSE, "previous player"
8920   },
8921   {
8922     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8923     &menu.setup.button.next_player, NULL,
8924     SCREEN_CTRL_ID_NEXT_PLAYER,
8925     SCREEN_MASK_INPUT,
8926     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
8927     FALSE, "next player"
8928   },
8929   {
8930     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8931     &menu.main.button.insert_solution, NULL,
8932     SCREEN_CTRL_ID_INSERT_SOLUTION,
8933     SCREEN_MASK_MAIN_HAS_SOLUTION,
8934     GD_EVENT_RELEASED,
8935     FALSE, "insert solution tape"
8936   },
8937   {
8938     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8939     &menu.main.button.play_solution, NULL,
8940     SCREEN_CTRL_ID_PLAY_SOLUTION,
8941     SCREEN_MASK_MAIN_HAS_SOLUTION,
8942     GD_EVENT_RELEASED,
8943     FALSE, "play solution tape"
8944   },
8945   {
8946     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
8947     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
8948     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
8949     SCREEN_MASK_MAIN,
8950     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
8951     FALSE, "switch ECS/AGA chipset"
8952   },
8953   {
8954     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
8955     &menu.setup.button.touch_back, NULL,
8956     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
8957     SCREEN_MASK_TOUCH,
8958     GD_EVENT_RELEASED,
8959     TRUE, "previous page"
8960   },
8961   {
8962     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
8963     &menu.setup.button.touch_next, NULL,
8964     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
8965     SCREEN_MASK_TOUCH,
8966     GD_EVENT_RELEASED,
8967     TRUE, "next page"
8968   },
8969   {
8970     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
8971     &menu.setup.button.touch_back2, NULL,
8972     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
8973     SCREEN_MASK_TOUCH2,
8974     GD_EVENT_RELEASED,
8975     TRUE, "previous page"
8976   },
8977   {
8978     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
8979     &menu.setup.button.touch_next2, NULL,
8980     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
8981     SCREEN_MASK_TOUCH2,
8982     GD_EVENT_RELEASED,
8983     TRUE, "next page"
8984   },
8985 };
8986
8987 static struct
8988 {
8989   int gfx_unpressed, gfx_pressed;
8990   int x, y;
8991   int gadget_id;
8992   char *infotext;
8993 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8994 {
8995   {
8996     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8997     -1, -1,     // these values are not constant, but can change at runtime
8998     SCREEN_CTRL_ID_SCROLL_UP,
8999     "scroll up"
9000   },
9001   {
9002     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9003     -1, -1,     // these values are not constant, but can change at runtime
9004     SCREEN_CTRL_ID_SCROLL_DOWN,
9005     "scroll down"
9006   }
9007 };
9008
9009 static struct
9010 {
9011   int gfx_unpressed, gfx_pressed;
9012   int x, y;
9013   int width, height;
9014   int type;
9015   int gadget_id;
9016   char *infotext;
9017 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9018 {
9019   {
9020     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9021     -1, -1,     // these values are not constant, but can change at runtime
9022     -1, -1,     // these values are not constant, but can change at runtime
9023     GD_TYPE_SCROLLBAR_VERTICAL,
9024     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9025     "scroll level series vertically"
9026   }
9027 };
9028
9029 static struct
9030 {
9031   int graphic;
9032   int gadget_id;
9033   int x, y;
9034   int size;
9035   char *value;
9036   char *infotext;
9037 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9038 {
9039   {
9040     IMG_SETUP_INPUT_TEXT,
9041     SCREEN_CTRL_ID_NETWORK_SERVER,
9042     -1, -1,     // these values are not constant, but can change at runtime
9043     MAX_SETUP_TEXT_INPUT_LEN,
9044     network_server_hostname,
9045     "Network Server Hostname / IP"
9046   },
9047 };
9048
9049 static void CreateScreenMenubuttons(void)
9050 {
9051   struct GadgetInfo *gi;
9052   unsigned int event_mask;
9053   int i;
9054
9055   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9056   {
9057     struct MenuPosInfo *pos = menubutton_info[i].pos;
9058     boolean is_touch_button = menubutton_info[i].is_touch_button;
9059     boolean is_check_button = menubutton_info[i].check_value != NULL;
9060     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9061     int gfx_unpressed, gfx_pressed;
9062     int x, y, width, height;
9063     int gd_x1, gd_x2, gd_y1, gd_y2;
9064     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9065     int id = menubutton_info[i].gadget_id;
9066     int type = GD_TYPE_NORMAL_BUTTON;
9067     boolean checked = FALSE;
9068
9069     event_mask = menubutton_info[i].event_mask;
9070
9071     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9072     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9073
9074     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9075     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9076
9077     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9078     gfx_pressed   = menubutton_info[i].gfx_pressed;
9079     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9080     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9081     gd_x1 = graphic_info[gfx_unpressed].src_x;
9082     gd_y1 = graphic_info[gfx_unpressed].src_y;
9083     gd_x2 = graphic_info[gfx_pressed].src_x;
9084     gd_y2 = graphic_info[gfx_pressed].src_y;
9085     gd_x1a = gd_x1;
9086     gd_y1a = gd_y1;
9087     gd_x2a = gd_x2;
9088     gd_y2a = gd_y2;
9089
9090     if (is_touch_button)
9091     {
9092       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9093       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9094     }
9095
9096     if (is_check_button)
9097     {
9098       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9099       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9100       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9101       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9102
9103       type = GD_TYPE_CHECK_BUTTON;
9104       checked = *menubutton_info[i].check_value;
9105     }
9106
9107     gi = CreateGadget(GDI_CUSTOM_ID, id,
9108                       GDI_CUSTOM_TYPE_ID, i,
9109                       GDI_IMAGE_ID, gfx_unpressed,
9110                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9111                       GDI_X, x,
9112                       GDI_Y, y,
9113                       GDI_WIDTH, width,
9114                       GDI_HEIGHT, height,
9115                       GDI_TYPE, type,
9116                       GDI_STATE, GD_BUTTON_UNPRESSED,
9117                       GDI_CHECKED, checked,
9118                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9119                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9120                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9121                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9122                       GDI_DIRECT_DRAW, FALSE,
9123                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9124                       GDI_EVENT_MASK, event_mask,
9125                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9126                       GDI_END);
9127
9128     if (gi == NULL)
9129       Fail("cannot create gadget");
9130
9131     screen_gadget[id] = gi;
9132   }
9133 }
9134
9135 static void CreateScreenScrollbuttons(void)
9136 {
9137   struct GadgetInfo *gi;
9138   unsigned int event_mask;
9139   int i;
9140
9141   // these values are not constant, but can change at runtime
9142   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9143   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9144   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9145   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9146
9147   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9148   {
9149     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9150     int gfx_unpressed, gfx_pressed;
9151     int x, y, width, height;
9152     int gd_x1, gd_x2, gd_y1, gd_y2;
9153     int id = scrollbutton_info[i].gadget_id;
9154
9155     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9156
9157     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9158     y = mSY + scrollbutton_info[i].y;
9159     width = SC_SCROLLBUTTON_XSIZE;
9160     height = SC_SCROLLBUTTON_YSIZE;
9161
9162     // correct scrollbar position if placed outside menu (playfield) area
9163     if (x > SX + SC_SCROLL_UP_XPOS)
9164       x = SX + SC_SCROLL_UP_XPOS;
9165
9166     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9167       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9168                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9169
9170     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9171     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9172     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9173     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9174     gd_x1 = graphic_info[gfx_unpressed].src_x;
9175     gd_y1 = graphic_info[gfx_unpressed].src_y;
9176     gd_x2 = graphic_info[gfx_pressed].src_x;
9177     gd_y2 = graphic_info[gfx_pressed].src_y;
9178
9179     gi = CreateGadget(GDI_CUSTOM_ID, id,
9180                       GDI_CUSTOM_TYPE_ID, i,
9181                       GDI_IMAGE_ID, gfx_unpressed,
9182                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9183                       GDI_X, x,
9184                       GDI_Y, y,
9185                       GDI_WIDTH, width,
9186                       GDI_HEIGHT, height,
9187                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9188                       GDI_STATE, GD_BUTTON_UNPRESSED,
9189                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9190                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9191                       GDI_DIRECT_DRAW, FALSE,
9192                       GDI_EVENT_MASK, event_mask,
9193                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9194                       GDI_END);
9195
9196     if (gi == NULL)
9197       Fail("cannot create gadget");
9198
9199     screen_gadget[id] = gi;
9200   }
9201 }
9202
9203 static void CreateScreenScrollbars(void)
9204 {
9205   int i;
9206
9207   // these values are not constant, but can change at runtime
9208   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9209   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9210   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9211   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9212
9213   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9214   {
9215     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9216     int gfx_unpressed, gfx_pressed;
9217     int x, y, width, height;
9218     int gd_x1, gd_x2, gd_y1, gd_y2;
9219     struct GadgetInfo *gi;
9220     int items_max, items_visible, item_position;
9221     unsigned int event_mask;
9222     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9223     int id = scrollbar_info[i].gadget_id;
9224
9225     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9226
9227     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9228     y = mSY + scrollbar_info[i].y;
9229     width  = scrollbar_info[i].width;
9230     height = scrollbar_info[i].height;
9231
9232     // correct scrollbar position if placed outside menu (playfield) area
9233     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9234       x = SX + SC_SCROLL_VERTICAL_XPOS;
9235
9236     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9237       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9238
9239     items_max = num_page_entries;
9240     items_visible = num_page_entries;
9241     item_position = 0;
9242
9243     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9244     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9245     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9246     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9247     gd_x1 = graphic_info[gfx_unpressed].src_x;
9248     gd_y1 = graphic_info[gfx_unpressed].src_y;
9249     gd_x2 = graphic_info[gfx_pressed].src_x;
9250     gd_y2 = graphic_info[gfx_pressed].src_y;
9251
9252     gi = CreateGadget(GDI_CUSTOM_ID, id,
9253                       GDI_CUSTOM_TYPE_ID, i,
9254                       GDI_IMAGE_ID, gfx_unpressed,
9255                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9256                       GDI_X, x,
9257                       GDI_Y, y,
9258                       GDI_WIDTH, width,
9259                       GDI_HEIGHT, height,
9260                       GDI_TYPE, scrollbar_info[i].type,
9261                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9262                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9263                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9264                       GDI_WHEEL_AREA_X, SX,
9265                       GDI_WHEEL_AREA_Y, SY,
9266                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9267                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9268                       GDI_STATE, GD_BUTTON_UNPRESSED,
9269                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9270                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9271                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9272                       GDI_DIRECT_DRAW, FALSE,
9273                       GDI_EVENT_MASK, event_mask,
9274                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9275                       GDI_END);
9276
9277     if (gi == NULL)
9278       Fail("cannot create gadget");
9279
9280     screen_gadget[id] = gi;
9281   }
9282 }
9283
9284 static void CreateScreenTextInputGadgets(void)
9285 {
9286   int i;
9287
9288   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9289   {
9290     int graphic = textinput_info[i].graphic;
9291     struct GraphicInfo *gd = &graphic_info[graphic];
9292     int gd_x1 = gd->src_x;
9293     int gd_y1 = gd->src_y;
9294     int gd_x2 = gd->src_x + gd->active_xoffset;
9295     int gd_y2 = gd->src_y + gd->active_yoffset;
9296     struct GadgetInfo *gi;
9297     unsigned int event_mask;
9298     int id = textinput_info[i].gadget_id;
9299     int x = textinput_info[i].x;
9300     int y = textinput_info[i].y;
9301
9302     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9303
9304     gi = CreateGadget(GDI_CUSTOM_ID, id,
9305                       GDI_CUSTOM_TYPE_ID, i,
9306                       GDI_INFO_TEXT, textinput_info[i].infotext,
9307                       GDI_X, SX + x,
9308                       GDI_Y, SY + y,
9309                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9310                       GDI_TEXT_VALUE, textinput_info[i].value,
9311                       GDI_TEXT_SIZE, textinput_info[i].size,
9312                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9313                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9314                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9315                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9316                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9317                       GDI_DESIGN_WIDTH, gd->width,
9318                       GDI_EVENT_MASK, event_mask,
9319                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9320                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9321                       GDI_END);
9322
9323     if (gi == NULL)
9324       Fail("cannot create gadget");
9325
9326     screen_gadget[id] = gi;
9327   }
9328 }
9329
9330 void CreateScreenGadgets(void)
9331 {
9332   CreateScreenMenubuttons();
9333
9334   CreateScreenScrollbuttons();
9335   CreateScreenScrollbars();
9336
9337   CreateScreenTextInputGadgets();
9338 }
9339
9340 void FreeScreenGadgets(void)
9341 {
9342   int i;
9343
9344   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9345     FreeGadget(screen_gadget[i]);
9346 }
9347
9348 static void MapScreenMenuGadgets(int screen_mask)
9349 {
9350   int i;
9351
9352   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9353     if (screen_mask & menubutton_info[i].screen_mask)
9354       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9355 }
9356
9357 static void UnmapScreenMenuGadgets(int screen_mask)
9358 {
9359   int i;
9360
9361   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9362   {
9363     if (screen_mask & menubutton_info[i].screen_mask)
9364     {
9365       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9366
9367       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9368         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9369                        screen_gadget[menubutton_info[i].gadget_id]->y,
9370                        screen_gadget[menubutton_info[i].gadget_id]->width,
9371                        screen_gadget[menubutton_info[i].gadget_id]->height);
9372     }
9373   }
9374 }
9375
9376 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9377 {
9378   if (map_gadgets)
9379     MapScreenMenuGadgets(screen_mask);
9380   else
9381     UnmapScreenMenuGadgets(screen_mask);
9382 }
9383
9384 static void MapScreenGadgets(int num_entries)
9385 {
9386   int i;
9387
9388   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9389     return;
9390
9391   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9392     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9393
9394   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9395     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9396 }
9397
9398 static void MapScreenTreeGadgets(TreeInfo *ti)
9399 {
9400   MapScreenGadgets(numTreeInfoInGroup(ti));
9401 }
9402
9403 static void HandleScreenGadgets(struct GadgetInfo *gi)
9404 {
9405   int id = gi->custom_id;
9406   int button = gi->event.button;
9407   int step = (button == MB_LEFTBUTTON   ? 1 :
9408               button == MB_MIDDLEBUTTON ? 5 :
9409               button == MB_RIGHTBUTTON  ? 10 : 1);
9410
9411   switch (id)
9412   {
9413     case SCREEN_CTRL_ID_PREV_LEVEL:
9414       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9415       break;
9416
9417     case SCREEN_CTRL_ID_NEXT_LEVEL:
9418       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9419       break;
9420
9421     case SCREEN_CTRL_ID_FIRST_LEVEL:
9422       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9423       break;
9424
9425     case SCREEN_CTRL_ID_LAST_LEVEL:
9426       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9427       break;
9428
9429     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9430       CloseDoor(DOOR_CLOSE_2);
9431       SetGameStatus(GAME_MODE_LEVELNR);
9432       DrawChooseLevelNr();
9433       break;
9434
9435     case SCREEN_CTRL_ID_PREV_PLAYER:
9436       HandleSetupScreen_Input_Player(step, -1);
9437       break;
9438
9439     case SCREEN_CTRL_ID_NEXT_PLAYER:
9440       HandleSetupScreen_Input_Player(step, +1);
9441       break;
9442
9443     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9444       InsertSolutionTape();
9445       break;
9446
9447     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9448       PlaySolutionTape();
9449       break;
9450
9451     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9452       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9453       DrawMainMenu();
9454       break;
9455
9456     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9457     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9458     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9459     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9460       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9461       break;
9462
9463     case SCREEN_CTRL_ID_SCROLL_UP:
9464       if (game_status == GAME_MODE_NAMES)
9465         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9466       else if (game_status == GAME_MODE_LEVELS)
9467         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9468       else if (game_status == GAME_MODE_LEVELNR)
9469         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9470       else if (game_status == GAME_MODE_SETUP)
9471         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9472       else if (game_status == GAME_MODE_INFO)
9473         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9474       break;
9475
9476     case SCREEN_CTRL_ID_SCROLL_DOWN:
9477       if (game_status == GAME_MODE_NAMES)
9478         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9479       else if (game_status == GAME_MODE_LEVELS)
9480         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9481       else if (game_status == GAME_MODE_LEVELNR)
9482         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9483       else if (game_status == GAME_MODE_SETUP)
9484         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9485       else if (game_status == GAME_MODE_INFO)
9486         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9487       break;
9488
9489     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9490       if (game_status == GAME_MODE_NAMES)
9491         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9492       else if (game_status == GAME_MODE_LEVELS)
9493         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9494       else if (game_status == GAME_MODE_LEVELNR)
9495         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9496       else if (game_status == GAME_MODE_SETUP)
9497         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9498       else if (game_status == GAME_MODE_INFO)
9499         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9500       break;
9501
9502     case SCREEN_CTRL_ID_NETWORK_SERVER:
9503     {
9504       if (!strEqual(gi->textinput.value, ""))
9505       {
9506         setString(&setup.network_server_hostname, gi->textinput.value);
9507
9508         network.server_host = setup.network_server_hostname;
9509       }
9510       else
9511       {
9512         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9513
9514         network.server_host = NULL;
9515       }
9516
9517       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9518         network.server_host = NULL;
9519
9520       execSetupGame_setNetworkServerText();
9521
9522       DrawSetupScreen();
9523
9524       break;
9525     }
9526
9527     default:
9528       break;
9529   }
9530 }
9531
9532 void DumpScreenIdentifiers(void)
9533 {
9534   int i;
9535
9536   Print("Active screen elements on current screen:\n");
9537
9538   for (i = 0; main_controls[i].nr != -1; i++)
9539   {
9540     struct MainControlInfo *mci = &main_controls[i];
9541
9542     if (mci->button_graphic != -1)
9543     {
9544       char *token = getTokenFromImageID(mci->button_graphic);
9545
9546       Print("- '%s'\n", token);
9547     }
9548   }
9549
9550   Print("Done.\n");
9551 }
9552
9553 boolean DoScreenAction(int image_id)
9554 {
9555   int i;
9556
9557   if (game_status != GAME_MODE_MAIN)
9558     return FALSE;
9559
9560   for (i = 0; main_controls[i].nr != -1; i++)
9561   {
9562     struct MainControlInfo *mci = &main_controls[i];
9563     struct MenuPosInfo *pos = mci->pos_button;
9564
9565     if (mci->button_graphic == image_id)
9566     {
9567       int x = mSX + pos->x;
9568       int y = mSY + pos->y;
9569
9570       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9571
9572       return TRUE;
9573     }
9574   }
9575
9576   return FALSE;
9577 }
9578
9579 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9580 {
9581   // get tree info node of newly added level or artwork set
9582   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9583   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9584                                                       tree_subdir_new);
9585   if (tree_node_new == NULL)    // should not happen
9586     return;
9587
9588   // if request dialog is active, do nothing
9589   if (game.request_active)
9590     return;
9591
9592   if (game_status == GAME_MODE_MAIN &&
9593       tree_type == TREE_TYPE_LEVEL_DIR)
9594   {
9595     // when adding new level set in main menu, select it as current level set
9596
9597     // change current level set to newly added level set from zip file
9598     leveldir_current = tree_node_new;
9599
9600     // change current level number to first level of newly added level set
9601     level_nr = leveldir_current->first_level;
9602
9603     // redraw screen to reflect changed level set
9604     DrawMainMenu();
9605
9606     // save this level set and level number as last selected level set
9607     SaveLevelSetup_LastSeries();
9608     SaveLevelSetup_SeriesInfo();
9609   }
9610   else if (game_status == GAME_MODE_LEVELS &&
9611            tree_type == TREE_TYPE_LEVEL_DIR)
9612   {
9613     // when adding new level set in level set menu, set cursor and update screen
9614
9615     leveldir_current = tree_node_new;
9616
9617     DrawChooseTree(&leveldir_current);
9618   }
9619   else if (game_status == GAME_MODE_SETUP)
9620   {
9621     // when adding new artwork set in setup menu, set cursor and update screen
9622
9623     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9624         tree_type == TREE_TYPE_GRAPHICS_DIR)
9625     {
9626       artwork.gfx_current = tree_node_new;
9627
9628       DrawChooseTree(&artwork.gfx_current);
9629     }
9630     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9631              tree_type == TREE_TYPE_SOUNDS_DIR)
9632     {
9633       artwork.snd_current = tree_node_new;
9634
9635       DrawChooseTree(&artwork.snd_current);
9636     }
9637     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9638              tree_type == TREE_TYPE_MUSIC_DIR)
9639     {
9640       artwork.mus_current = tree_node_new;
9641
9642       DrawChooseTree(&artwork.mus_current);
9643     }
9644   }
9645 }