src/screens.c

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