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 //                  http://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_EDITOR               2
  48 #define SETUP_MODE_GRAPHICS             3
  49 #define SETUP_MODE_SOUND                4
  50 #define SETUP_MODE_ARTWORK              5
  51 #define SETUP_MODE_INPUT                6
  52 #define SETUP_MODE_TOUCH                7
  53 #define SETUP_MODE_SHORTCUTS            8
  54 #define SETUP_MODE_SHORTCUTS_1          9
  55 #define SETUP_MODE_SHORTCUTS_2          10
  56 #define SETUP_MODE_SHORTCUTS_3          11
  57 #define SETUP_MODE_SHORTCUTS_4          12
  58 #define SETUP_MODE_SHORTCUTS_5          13
  59
  60 /* sub-screens on the setup screen (generic) */
  61 #define SETUP_MODE_CHOOSE_ARTWORK       14
  62 #define SETUP_MODE_CHOOSE_OTHER         15
  63
  64 /* sub-screens on the setup screen (specific) */
  65 #define SETUP_MODE_CHOOSE_GAME_SPEED    16
  66 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  17
  67 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 18
  68 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   19
  69 #define SETUP_MODE_CHOOSE_SCALING_TYPE  20
  70 #define SETUP_MODE_CHOOSE_RENDERING     21
  71 #define SETUP_MODE_CHOOSE_GRAPHICS      22
  72 #define SETUP_MODE_CHOOSE_SOUNDS        23
  73 #define SETUP_MODE_CHOOSE_MUSIC         24
  74 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 25
  75 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  26
  76 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  27
  77 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 28
  78 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 29
  79 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 30
  80
  81 #define MAX_SETUP_MODES                 31
  82
  83 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  84
  85 /* setup screen titles */
  86 #define STR_SETUP_MAIN                  "Setup"
  87 #define STR_SETUP_GAME                  "Game & Menu"
  88 #define STR_SETUP_EDITOR                "Editor"
  89 #define STR_SETUP_GRAPHICS              "Graphics"
  90 #define STR_SETUP_SOUND                 "Sound & Music"
  91 #define STR_SETUP_ARTWORK               "Custom Artwork"
  92 #define STR_SETUP_INPUT                 "Input Devices"
  93 #define STR_SETUP_TOUCH                 "Touch Controls"
  94 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
  95 #define STR_SETUP_EXIT                  "Exit"
  96 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
  97
  98 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
  99 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 100 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 101 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 102 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 103 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 104 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 105 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 106 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 107 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 108 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 109 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 110
 111 /* for input setup functions */
 112 #define SETUPINPUT_SCREEN_POS_START     0
 113 #define SETUPINPUT_SCREEN_POS_END       (SCR_FIELDY - 4)
 114 #define SETUPINPUT_SCREEN_POS_EMPTY1    (SETUPINPUT_SCREEN_POS_START + 3)
 115 #define SETUPINPUT_SCREEN_POS_EMPTY2    (SETUPINPUT_SCREEN_POS_END - 1)
 116
 117 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 118 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 119
 120 /* for various menu stuff  */
 121 #define MENU_SCREEN_START_XPOS          1
 122 #define MENU_SCREEN_START_YPOS          2
 123 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 124 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 125 #define MENU_TITLE1_YPOS                8
 126 #define MENU_TITLE2_YPOS                46
 127 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 128 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 129 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 130 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 131 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 132 #define MENU_SCREEN_INFO_XSTART         16
 133 #define MENU_SCREEN_INFO_YSTART1        100
 134 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 135                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 136                                                          MENU_INFO_FONT_TITLE))
 137 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 138 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - 20)
 139 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 140                                          MENU_SCREEN_INFO_YSTART2 -     \
 141                                          TILEY / 2)
 142 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 143 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 144                                          MENU_SCREEN_INFO_YSTEP)
 145 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 146   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 147    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 148    MAX_MENU_ENTRIES_ON_SCREEN)
 149 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 150                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 151                                             NUM_INFO_ELEMENTS_FROM_CONF)
 152 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 153 #define MAX_MENU_TEXT_LENGTH_BIG        13
 154 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 155
 156 /* buttons and scrollbars identifiers */
 157 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 158 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 159 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 160 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 161 #define SCREEN_CTRL_ID_SCROLL_UP        4
 162 #define SCREEN_CTRL_ID_SCROLL_DOWN      5
 163 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  6
 164
 165 #define NUM_SCREEN_GADGETS              7
 166
 167 #define NUM_SCREEN_MENUBUTTONS          4
 168 #define NUM_SCREEN_SCROLLBUTTONS        2
 169 #define NUM_SCREEN_SCROLLBARS           1
 170
 171 #define SCREEN_MASK_MAIN                (1 << 0)
 172 #define SCREEN_MASK_INPUT               (1 << 1)
 173
 174 /* graphic position and size values for buttons and scrollbars */
 175 #define SC_MENUBUTTON_XSIZE             TILEX
 176 #define SC_MENUBUTTON_YSIZE             TILEY
 177
 178 #define SC_SCROLLBUTTON_XSIZE           TILEX
 179 #define SC_SCROLLBUTTON_YSIZE           TILEY
 180
 181 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 182
 183 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 184 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 185                                          SC_SCROLLBUTTON_YSIZE)
 186
 187 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 188 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 189
 190 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 191 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 192                                          SC_SCROLLBUTTON_YSIZE)
 193
 194 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 195 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 196                                          SC_SCROLL_VERTICAL_YSIZE)
 197
 198 #define SC_BORDER_SIZE                  14
 199
 200
 201 /* forward declarations of internal functions */
 202 static void HandleScreenGadgets(struct GadgetInfo *);
 203 static void HandleSetupScreen_Generic(int, int, int, int, int);
 204 static void HandleSetupScreen_Input(int, int, int, int, int);
 205 static void CustomizeKeyboard(int);
 206 static void ConfigureJoystick(int);
 207 static void execSetupGame(void);
 208 static void execSetupGraphics(void);
 209 static void execSetupSound(void);
 210 static void execSetupTouch(void);
 211 static void execSetupArtwork(void);
 212 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 213
 214 static void DrawChooseLevelSet(void);
 215 static void DrawChooseLevelNr(void);
 216 static void DrawInfoScreen(void);
 217 static void DrawSetupScreen(void);
 218
 219 static void DrawInfoScreen_NotAvailable(char *, char *);
 220 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 221 static void DrawInfoScreen_HelpText(int, int, int, int);
 222 static void HandleInfoScreen_Main(int, int, int, int, int);
 223 static void HandleInfoScreen_TitleScreen(int);
 224 static void HandleInfoScreen_Elements(int);
 225 static void HandleInfoScreen_Music(int);
 226 static void HandleInfoScreen_Credits(int);
 227 static void HandleInfoScreen_Program(int);
 228 static void HandleInfoScreen_Version(int);
 229
 230 static void MapScreenMenuGadgets(int);
 231 static void MapScreenGadgets(int);
 232 static void MapScreenTreeGadgets(TreeInfo *);
 233
 234 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 235
 236 static int info_mode = INFO_MODE_MAIN;
 237 static int setup_mode = SETUP_MODE_MAIN;
 238
 239 static TreeInfo *window_sizes = NULL;
 240 static TreeInfo *window_size_current = NULL;
 241
 242 static TreeInfo *scaling_types = NULL;
 243 static TreeInfo *scaling_type_current = NULL;
 244
 245 static TreeInfo *rendering_modes = NULL;
 246 static TreeInfo *rendering_mode_current = NULL;
 247
 248 static TreeInfo *scroll_delays = NULL;
 249 static TreeInfo *scroll_delay_current = NULL;
 250
 251 static TreeInfo *snapshot_modes = NULL;
 252 static TreeInfo *snapshot_mode_current = NULL;
 253
 254 static TreeInfo *game_speeds = NULL;
 255 static TreeInfo *game_speed_current = NULL;
 256
 257 static TreeInfo *volumes_simple = NULL;
 258 static TreeInfo *volume_simple_current = NULL;
 259
 260 static TreeInfo *volumes_loops = NULL;
 261 static TreeInfo *volume_loops_current = NULL;
 262
 263 static TreeInfo *volumes_music = NULL;
 264 static TreeInfo *volume_music_current = NULL;
 265
 266 static TreeInfo *touch_controls = NULL;
 267 static TreeInfo *touch_control_current = NULL;
 268
 269 static TreeInfo *move_distances = NULL;
 270 static TreeInfo *move_distance_current = NULL;
 271
 272 static TreeInfo *drop_distances = NULL;
 273 static TreeInfo *drop_distance_current = NULL;
 274
 275 static TreeInfo *level_number = NULL;
 276 static TreeInfo *level_number_current = NULL;
 277
 278 static struct
 279 {
 280   int value;
 281   char *text;
 282 } window_sizes_list[] =
 283 {
 284   {     50,     "50 %"                          },
 285   {     80,     "80 %"                          },
 286   {     90,     "90 %"                          },
 287   {     100,    "100 % (Default)"               },
 288   {     110,    "110 %"                         },
 289   {     120,    "120 %"                         },
 290   {     130,    "130 %"                         },
 291   {     140,    "140 %"                         },
 292   {     150,    "150 %"                         },
 293   {     200,    "200 %"                         },
 294   {     250,    "250 %"                         },
 295   {     300,    "300 %"                         },
 296
 297   {     -1,     NULL                            },
 298 };
 299
 300 static struct
 301 {
 302   char *value;
 303   char *text;
 304 } scaling_types_list[] =
 305 {
 306   {     SCALING_QUALITY_NEAREST, "Off"          },
 307   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 308   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 309
 310   {     NULL,                    NULL           },
 311 };
 312
 313 static struct
 314 {
 315   char *value;
 316   char *text;
 317 } rendering_modes_list[] =
 318 {
 319   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 320   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 321 #if DEBUG
 322   // this mode may work under certain conditions, but does not work on Windows
 323   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 324 #endif
 325   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 326
 327   {     NULL,                            NULL                            },
 328 };
 329
 330 static struct
 331 {
 332   int value;
 333   char *text;
 334 } game_speeds_list[] =
 335 {
 336 #if 1
 337   {     30,     "Very Slow"                     },
 338   {     25,     "Slow"                          },
 339   {     20,     "Normal"                        },
 340   {     15,     "Fast"                          },
 341   {     10,     "Very Fast"                     },
 342 #else
 343   {     1000,   "1/1s (Extremely Slow)"         },
 344   {     500,    "1/2s"                          },
 345   {     200,    "1/5s"                          },
 346   {     100,    "1/10s"                         },
 347   {     50,     "1/20s"                         },
 348   {     29,     "1/35s (Original Supaplex)"     },
 349   {     25,     "1/40s"                         },
 350   {     20,     "1/50s (Normal Speed)"          },
 351   {     14,     "1/70s (Maximum Supaplex)"      },
 352   {     10,     "1/100s"                        },
 353   {     5,      "1/200s"                        },
 354   {     2,      "1/500s"                        },
 355   {     1,      "1/1000s (Extremely Fast)"      },
 356 #endif
 357
 358   {     -1,     NULL                            },
 359 };
 360
 361 static struct
 362 {
 363   int value;
 364   char *text;
 365 } scroll_delays_list[] =
 366 {
 367   {     0,      "0 Tiles (No Scroll Delay)"     },
 368   {     1,      "1 Tile"                        },
 369   {     2,      "2 Tiles"                       },
 370   {     3,      "3 Tiles (Default)"             },
 371   {     4,      "4 Tiles"                       },
 372   {     5,      "5 Tiles"                       },
 373   {     6,      "6 Tiles"                       },
 374   {     7,      "7 Tiles"                       },
 375   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 376
 377   {     -1,     NULL                            },
 378 };
 379
 380 static struct
 381 {
 382   char *value;
 383   char *text;
 384 } snapshot_modes_list[] =
 385 {
 386   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 387   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 388   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 389   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 390
 391   {     NULL,                                   NULL            },
 392 };
 393
 394 static struct
 395 {
 396   int value;
 397   char *text;
 398 } volumes_list[] =
 399 {
 400   {     0,      "0 %"                           },
 401   {     1,      "1 %"                           },
 402   {     2,      "2 %"                           },
 403   {     5,      "5 %"                           },
 404   {     10,     "10 %"                          },
 405   {     20,     "20 %"                          },
 406   {     30,     "30 %"                          },
 407   {     40,     "40 %"                          },
 408   {     50,     "50 %"                          },
 409   {     60,     "60 %"                          },
 410   {     70,     "70 %"                          },
 411   {     80,     "80 %"                          },
 412   {     90,     "90 %"                          },
 413   {     100,    "100 %"                         },
 414
 415   {     -1,     NULL                            },
 416 };
 417
 418 static struct
 419 {
 420   char *value;
 421   char *text;
 422 } touch_controls_list[] =
 423 {
 424   {     TOUCH_CONTROL_OFF,              "Off"                   },
 425   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 426   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 427   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 428
 429   {     NULL,                           NULL                    },
 430 };
 431
 432 static struct
 433 {
 434   int value;
 435   char *text;
 436 } distances_list[] =
 437 {
 438   {     1,      "1 %"                           },
 439   {     2,      "2 %"                           },
 440   {     3,      "3 %"                           },
 441   {     4,      "4 %"                           },
 442   {     5,      "5 %"                           },
 443   {     10,     "10 %"                          },
 444   {     15,     "15 %"                          },
 445   {     20,     "20 %"                          },
 446   {     25,     "25 %"                          },
 447
 448   {     -1,     NULL                            },
 449 };
 450
 451 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 452                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 453                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 454                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 455
 456 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 457 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 458                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 459                                  INFO_MODE_MAIN)
 460
 461 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 462                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 463                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 464                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 465                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 466                                  SETUP_MODE_CHOOSE_OTHER)
 467
 468 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 469                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 470                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 471 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 472                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 473                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 474 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 475                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 476                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 477
 478 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 479                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 480                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 481 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 482                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 483                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 484 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 485                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 486                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 487
 488 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 489                                  DRAW_XOFFSET_INFO(info_mode) :         \
 490                                  (s) == GAME_MODE_SETUP ?               \
 491                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 492                                  menu.draw_xoffset[DRAW_MODE(s)])
 493 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 494                                  DRAW_YOFFSET_INFO(info_mode) :         \
 495                                  (s) == GAME_MODE_SETUP ?               \
 496                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 497                                  menu.draw_yoffset[DRAW_MODE(s)])
 498 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 499                                  EXTRA_SPACING_INFO(info_mode) :        \
 500                                  (s) == GAME_MODE_SETUP ?               \
 501                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 502                                  menu.extra_spacing[DRAW_MODE(s)])
 503
 504 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 505 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 506
 507 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 508                                     menu.list_size[game_status] :       \
 509                                     MAX_MENU_ENTRIES_ON_SCREEN)
 510
 511 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 512                                          NUM_MENU_ENTRIES_ON_SCREEN)
 513
 514
 515 /* title display and control definitions */
 516
 517 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 518                                  2 * MAX_NUM_TITLE_MESSAGES)
 519
 520 #define NO_DIRECT_LEVEL_SELECT  (-1)
 521
 522
 523 static int num_title_screens = 0;
 524
 525 struct TitleControlInfo
 526 {
 527   boolean is_image;
 528   boolean initial;
 529   boolean first;
 530   int local_nr;
 531   int sort_priority;
 532 };
 533
 534 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 535
 536 /* main menu display and control definitions */
 537
 538 #define MAIN_CONTROL_NAME                       0
 539 #define MAIN_CONTROL_LEVELS                     1
 540 #define MAIN_CONTROL_SCORES                     2
 541 #define MAIN_CONTROL_EDITOR                     3
 542 #define MAIN_CONTROL_INFO                       4
 543 #define MAIN_CONTROL_GAME                       5
 544 #define MAIN_CONTROL_SETUP                      6
 545 #define MAIN_CONTROL_QUIT                       7
 546 #define MAIN_CONTROL_PREV_LEVEL                 8
 547 #define MAIN_CONTROL_NEXT_LEVEL                 9
 548 #define MAIN_CONTROL_FIRST_LEVEL                10
 549 #define MAIN_CONTROL_LAST_LEVEL                 11
 550 #define MAIN_CONTROL_LEVEL_NUMBER               12
 551 #define MAIN_CONTROL_LEVEL_INFO_1               13
 552 #define MAIN_CONTROL_LEVEL_INFO_2               14
 553 #define MAIN_CONTROL_LEVEL_NAME                 15
 554 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 555 #define MAIN_CONTROL_LEVEL_YEAR                 17
 556 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 557 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 558 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 559 #define MAIN_CONTROL_TITLE_1                    21
 560 #define MAIN_CONTROL_TITLE_2                    22
 561 #define MAIN_CONTROL_TITLE_3                    23
 562
 563 static char str_main_text_name[10];
 564 static char str_main_text_first_level[10];
 565 static char str_main_text_last_level[10];
 566 static char str_main_text_level_number[10];
 567
 568 static char *main_text_name                     = str_main_text_name;
 569 static char *main_text_first_level              = str_main_text_first_level;
 570 static char *main_text_last_level               = str_main_text_last_level;
 571 static char *main_text_level_number             = str_main_text_level_number;
 572 static char *main_text_levels                   = "Levelset";
 573 static char *main_text_scores                   = "Hall Of Fame";
 574 static char *main_text_editor                   = "Level Creator";
 575 static char *main_text_info                     = "Info Screen";
 576 static char *main_text_game                     = "Start Game";
 577 static char *main_text_setup                    = "Setup";
 578 static char *main_text_quit                     = "Quit";
 579 static char *main_text_level_name               = level.name;
 580 static char *main_text_level_author             = level.author;
 581 static char *main_text_level_year               = NULL;
 582 static char *main_text_level_imported_from      = NULL;
 583 static char *main_text_level_imported_by        = NULL;
 584 static char *main_text_level_tested_by          = NULL;
 585 static char *main_text_title_1                  = NULL;
 586 static char *main_text_title_2                  = NULL;
 587 static char *main_text_title_3                  = NULL;
 588
 589 struct MainControlInfo
 590 {
 591   int nr;
 592
 593   struct MenuPosInfo *pos_button;
 594   int button_graphic;
 595
 596   struct TextPosInfo *pos_text;
 597   char **text;
 598
 599   struct TextPosInfo *pos_input;
 600   char **input;
 601 };
 602
 603 static struct MainControlInfo main_controls[] =
 604 {
 605   {
 606     MAIN_CONTROL_NAME,
 607     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 608     &menu.main.text.name,               &main_text_name,
 609     &menu.main.input.name,              &setup.player_name,
 610   },
 611   {
 612     MAIN_CONTROL_LEVELS,
 613     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 614     &menu.main.text.levels,             &main_text_levels,
 615     NULL,                               NULL,
 616   },
 617   {
 618     MAIN_CONTROL_SCORES,
 619     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 620     &menu.main.text.scores,             &main_text_scores,
 621     NULL,                               NULL,
 622   },
 623   {
 624     MAIN_CONTROL_EDITOR,
 625     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 626     &menu.main.text.editor,             &main_text_editor,
 627     NULL,                               NULL,
 628   },
 629   {
 630     MAIN_CONTROL_INFO,
 631     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 632     &menu.main.text.info,               &main_text_info,
 633     NULL,                               NULL,
 634   },
 635   {
 636     MAIN_CONTROL_GAME,
 637     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 638     &menu.main.text.game,               &main_text_game,
 639     NULL,                               NULL,
 640   },
 641   {
 642     MAIN_CONTROL_SETUP,
 643     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 644     &menu.main.text.setup,              &main_text_setup,
 645     NULL,                               NULL,
 646   },
 647   {
 648     MAIN_CONTROL_QUIT,
 649     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 650     &menu.main.text.quit,               &main_text_quit,
 651     NULL,                               NULL,
 652   },
 653 #if 0
 654   /* (these two buttons are real gadgets) */
 655   {
 656     MAIN_CONTROL_PREV_LEVEL,
 657     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 658     NULL,                               NULL,
 659     NULL,                               NULL,
 660   },
 661   {
 662     MAIN_CONTROL_NEXT_LEVEL,
 663     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 664     NULL,                               NULL,
 665     NULL,                               NULL,
 666   },
 667 #endif
 668   {
 669     MAIN_CONTROL_FIRST_LEVEL,
 670     NULL,                               -1,
 671     &menu.main.text.first_level,        &main_text_first_level,
 672     NULL,                               NULL,
 673   },
 674   {
 675     MAIN_CONTROL_LAST_LEVEL,
 676     NULL,                               -1,
 677     &menu.main.text.last_level,         &main_text_last_level,
 678     NULL,                               NULL,
 679   },
 680   {
 681     MAIN_CONTROL_LEVEL_NUMBER,
 682     NULL,                               -1,
 683     &menu.main.text.level_number,       &main_text_level_number,
 684     NULL,                               NULL,
 685   },
 686   {
 687     MAIN_CONTROL_LEVEL_INFO_1,
 688     NULL,                               -1,
 689     &menu.main.text.level_info_1,       NULL,
 690     NULL,                               NULL,
 691   },
 692   {
 693     MAIN_CONTROL_LEVEL_INFO_2,
 694     NULL,                               -1,
 695     &menu.main.text.level_info_2,       NULL,
 696     NULL,                               NULL,
 697   },
 698   {
 699     MAIN_CONTROL_LEVEL_NAME,
 700     NULL,                               -1,
 701     &menu.main.text.level_name,         &main_text_level_name,
 702     NULL,                               NULL,
 703   },
 704   {
 705     MAIN_CONTROL_LEVEL_AUTHOR,
 706     NULL,                               -1,
 707     &menu.main.text.level_author,       &main_text_level_author,
 708     NULL,                               NULL,
 709   },
 710   {
 711     MAIN_CONTROL_LEVEL_YEAR,
 712     NULL,                               -1,
 713     &menu.main.text.level_year,         &main_text_level_year,
 714     NULL,                               NULL,
 715   },
 716   {
 717     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 718     NULL,                               -1,
 719     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 720     NULL,                               NULL,
 721   },
 722   {
 723     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 724     NULL,                               -1,
 725     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 726     NULL,                               NULL,
 727   },
 728   {
 729     MAIN_CONTROL_LEVEL_TESTED_BY,
 730     NULL,                               -1,
 731     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 732     NULL,                               NULL,
 733   },
 734   {
 735     MAIN_CONTROL_TITLE_1,
 736     NULL,                               -1,
 737     &menu.main.text.title_1,            &main_text_title_1,
 738     NULL,                               NULL,
 739   },
 740   {
 741     MAIN_CONTROL_TITLE_2,
 742     NULL,                               -1,
 743     &menu.main.text.title_2,            &main_text_title_2,
 744     NULL,                               NULL,
 745   },
 746   {
 747     MAIN_CONTROL_TITLE_3,
 748     NULL,                               -1,
 749     &menu.main.text.title_3,            &main_text_title_3,
 750     NULL,                               NULL,
 751   },
 752
 753   {
 754     -1,
 755     NULL,                               -1,
 756     NULL,                               NULL,
 757     NULL,                               NULL,
 758   }
 759 };
 760
 761
 762 static int getTitleScreenGraphic(int nr, boolean initial)
 763 {
 764   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 765 }
 766
 767 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 768 {
 769   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 770 }
 771
 772 #if 0
 773 static int getTitleScreenGameMode(boolean initial)
 774 {
 775   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 776 }
 777 #endif
 778
 779 static int getTitleMessageGameMode(boolean initial)
 780 {
 781   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 782 }
 783
 784 static int getTitleAnimMode(struct TitleControlInfo *tci)
 785 {
 786   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 787
 788   return base + tci->local_nr;
 789 }
 790
 791 #if 0
 792 static int getTitleScreenBackground(boolean initial)
 793 {
 794   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 795 }
 796 #endif
 797
 798 #if 0
 799 static int getTitleMessageBackground(int nr, boolean initial)
 800 {
 801   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 802 }
 803 #endif
 804
 805 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 806 {
 807   int base = (is_image ?
 808               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 809                          IMG_BACKGROUND_TITLESCREEN_1) :
 810               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 811                          IMG_BACKGROUND_TITLEMESSAGE_1));
 812   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 813                                   IMG_BACKGROUND_TITLE);
 814   int graphic_local = base + nr;
 815
 816   if (graphic_info[graphic_local].bitmap != NULL)
 817     return graphic_local;
 818
 819   if (graphic_info[graphic_global].bitmap != NULL)
 820     return graphic_global;
 821
 822   return IMG_UNDEFINED;
 823 }
 824
 825 static int getTitleSound(struct TitleControlInfo *tci)
 826 {
 827   boolean is_image = tci->is_image;
 828   int initial = tci->initial;
 829   int nr = tci->local_nr;
 830   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 831   int base = (is_image ?
 832               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 833                          SND_BACKGROUND_TITLESCREEN_1) :
 834               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 835                          SND_BACKGROUND_TITLEMESSAGE_1));
 836   int sound_global = menu.sound[mode];
 837   int sound_local = base + nr;
 838
 839 #if 0
 840   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 841          nr, initial, is_image,
 842          sound_global, getSoundListEntry(sound_global)->filename,
 843          sound_local, getSoundListEntry(sound_local)->filename);
 844 #endif
 845
 846   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 847     return sound_local;
 848
 849   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 850     return sound_global;
 851
 852   return SND_UNDEFINED;
 853 }
 854
 855 static int getTitleMusic(struct TitleControlInfo *tci)
 856 {
 857   boolean is_image = tci->is_image;
 858   int initial = tci->initial;
 859   int nr = tci->local_nr;
 860   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 861   int base = (is_image ?
 862               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 863                          MUS_BACKGROUND_TITLESCREEN_1) :
 864               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 865                          MUS_BACKGROUND_TITLEMESSAGE_1));
 866   int music_global = menu.music[mode];
 867   int music_local = base + nr;
 868
 869 #if 0
 870   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 871          nr, initial, is_image,
 872          music_global, getMusicListEntry(music_global)->filename,
 873          music_local, getMusicListEntry(music_local)->filename);
 874 #endif
 875
 876   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 877     return music_local;
 878
 879   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 880     return music_global;
 881
 882   return MUS_UNDEFINED;
 883 }
 884
 885 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 886 {
 887   boolean is_image = tci->is_image;
 888   boolean initial = tci->initial;
 889   boolean first = tci->first;
 890   int nr = tci->local_nr;
 891   struct TitleMessageInfo tmi;
 892   struct TitleFadingInfo ti;
 893
 894   tmi = (is_image ? (initial ? (first ?
 895                                 titlescreen_initial_first[nr] :
 896                                 titlescreen_initial[nr])
 897                              : (first ?
 898                                 titlescreen_first[nr] :
 899                                 titlescreen[nr]))
 900                   : (initial ? (first ?
 901                                 titlemessage_initial_first[nr] :
 902                                 titlemessage_initial[nr])
 903                              : (first ?
 904                                 titlemessage_first[nr] :
 905                                 titlemessage[nr])));
 906
 907   ti.fade_mode  = tmi.fade_mode;
 908   ti.fade_delay = tmi.fade_delay;
 909   ti.post_delay = tmi.post_delay;
 910   ti.auto_delay = tmi.auto_delay;
 911
 912   return ti;
 913 }
 914
 915 static int compareTitleControlInfo(const void *object1, const void *object2)
 916 {
 917   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
 918   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
 919   int compare_result;
 920
 921   if (tci1->initial != tci2->initial)
 922     compare_result = (tci1->initial ? -1 : +1);
 923   else if (tci1->sort_priority != tci2->sort_priority)
 924     compare_result = tci1->sort_priority - tci2->sort_priority;
 925   else if (tci1->is_image != tci2->is_image)
 926     compare_result = (tci1->is_image ? -1 : +1);
 927   else
 928     compare_result = tci1->local_nr - tci2->local_nr;
 929
 930   return compare_result;
 931 }
 932
 933 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
 934                                                     boolean initial,
 935                                                     int nr, int sort_priority)
 936 {
 937   title_controls[num_title_screens].is_image = is_image;
 938   title_controls[num_title_screens].initial = initial;
 939   title_controls[num_title_screens].local_nr = nr;
 940   title_controls[num_title_screens].sort_priority = sort_priority;
 941
 942   title_controls[num_title_screens].first = FALSE;      /* will be set later */
 943
 944   num_title_screens++;
 945 }
 946
 947 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
 948 {
 949   int i;
 950
 951   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
 952   {
 953     int graphic = getTitleScreenGraphic(i, initial);
 954     Bitmap *bitmap = graphic_info[graphic].bitmap;
 955     int sort_priority = graphic_info[graphic].sort_priority;
 956
 957     if (bitmap != NULL)
 958       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
 959   }
 960
 961   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
 962   {
 963     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
 964     char *filename = getLevelSetTitleMessageFilename(i, initial);
 965     int sort_priority = tmi->sort_priority;
 966
 967     if (filename != NULL)
 968       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
 969   }
 970 }
 971
 972 static void InitializeTitleControls(boolean show_title_initial)
 973 {
 974   num_title_screens = 0;
 975
 976   /* 1st step: initialize title screens for game start (only when starting) */
 977   if (show_title_initial)
 978     InitializeTitleControls_CheckTitleInfo(TRUE);
 979
 980   /* 2nd step: initialize title screens for current level set */
 981   InitializeTitleControls_CheckTitleInfo(FALSE);
 982
 983   /* sort title screens according to sort_priority and title number */
 984   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
 985         compareTitleControlInfo);
 986
 987   /* mark first title screen */
 988   title_controls[0].first = TRUE;
 989 }
 990
 991 static boolean visibleMenuPos(struct MenuPosInfo *pos)
 992 {
 993   return (pos != NULL && pos->x != -1 && pos->y != -1);
 994 }
 995
 996 static boolean visibleTextPos(struct TextPosInfo *pos)
 997 {
 998   return (pos != NULL && pos->x != -1 && pos->y != -1);
 999 }
1000
1001 static void InitializeMainControls()
1002 {
1003   boolean local_team_mode = (!options.network && setup.team_mode);
1004   int i;
1005
1006   /* set main control text values to dynamically determined values */
1007   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1008
1009   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1010                                          menu.main.text.first_level.size));
1011   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1012                                          menu.main.text.last_level.size));
1013   strcpy(main_text_level_number, int2str(level_nr,
1014                                          menu.main.text.level_number.size));
1015
1016   main_text_level_year          = leveldir_current->year;
1017   main_text_level_imported_from = leveldir_current->imported_from;
1018   main_text_level_imported_by   = leveldir_current->imported_by;
1019   main_text_level_tested_by     = leveldir_current->tested_by;
1020
1021   main_text_title_1 = getConfigProgramTitleString();
1022   main_text_title_2 = getConfigProgramCopyrightString();
1023   main_text_title_3 = getConfigProgramCompanyString();
1024
1025   /* set main control screen positions to dynamically determined values */
1026   for (i = 0; main_controls[i].nr != -1; i++)
1027   {
1028     struct MainControlInfo *mci = &main_controls[i];
1029     int nr                         = mci->nr;
1030     struct MenuPosInfo *pos_button = mci->pos_button;
1031     struct TextPosInfo *pos_text   = mci->pos_text;
1032     struct TextPosInfo *pos_input  = mci->pos_input;
1033     char *text                     = (mci->text  ? *mci->text  : NULL);
1034     char *input                    = (mci->input ? *mci->input : NULL);
1035     int button_graphic             = mci->button_graphic;
1036     int font_text                  = (pos_text  ? pos_text->font  : -1);
1037     int font_input                 = (pos_input ? pos_input->font : -1);
1038
1039     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1040     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1041     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1042     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1043     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1044     int input_chars = (input != NULL ? strlen(input) : 0);
1045
1046     int button_width =
1047       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1048     int button_height =
1049       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1050     int text_width   = font_text_width * text_chars;
1051     int text_height  = font_text_height;
1052     int input_width  = font_input_width * input_chars;
1053     int input_height = font_input_height;
1054
1055     if (nr == MAIN_CONTROL_NAME)
1056     {
1057       menu.main.input.name.width  = input_width;
1058       menu.main.input.name.height = input_height;
1059     }
1060
1061     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1062     {
1063       pos_button->width  = button_width;
1064       pos_button->height = button_height;
1065     }
1066
1067     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1068     {
1069       /* calculate size for non-clickable text -- needed for text alignment */
1070       boolean calculate_text_size = (pos_button == NULL && text != NULL);
1071
1072       if (pos_text->width == -1 || calculate_text_size)
1073         pos_text->width = text_width;
1074       if (pos_text->height == -1 || calculate_text_size)
1075         pos_text->height = text_height;
1076
1077       if (visibleMenuPos(pos_button))
1078       {
1079         if (pos_text->x == -1)
1080           pos_text->x = pos_button->x + pos_button->width;
1081         if (pos_text->y == -1)
1082           pos_text->y =
1083             pos_button->y + (pos_button->height - pos_text->height) / 2;
1084       }
1085     }
1086
1087     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1088     {
1089       if (visibleTextPos(pos_text))
1090       {
1091         if (pos_input->x == -1)
1092           pos_input->x = pos_text->x + pos_text->width;
1093         if (pos_input->y == -1)
1094           pos_input->y = pos_text->y;
1095       }
1096
1097       if (pos_input->width == -1)
1098         pos_input->width = input_width;
1099       if (pos_input->height == -1)
1100         pos_input->height = input_height;
1101     }
1102   }
1103 }
1104
1105 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1106                                        int graphic, boolean pressed)
1107 {
1108   struct GraphicInfo *g = &graphic_info[graphic];
1109   Bitmap *src_bitmap;
1110   int src_x, src_y;
1111   int xoffset = (pressed ? g->pressed_xoffset : 0);
1112   int yoffset = (pressed ? g->pressed_yoffset : 0);
1113
1114   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1115
1116   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1117                    g->width, g->height, dst_x, dst_y);
1118 }
1119
1120 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1121                                        boolean active_input,
1122                                        boolean pressed_button)
1123 {
1124   int i;
1125
1126   for (i = 0; main_controls[i].nr != -1; i++)
1127   {
1128     struct MainControlInfo *mci = &main_controls[i];
1129
1130     if (mci->nr == nr || nr == -1)
1131     {
1132       struct MenuPosInfo *pos_button = mci->pos_button;
1133       struct TextPosInfo *pos_text   = mci->pos_text;
1134       struct TextPosInfo *pos_input  = mci->pos_input;
1135       char *text                     = (mci->text  ? *mci->text  : NULL);
1136       char *input                    = (mci->input ? *mci->input : NULL);
1137       int button_graphic             = mci->button_graphic;
1138       int font_text                  = (pos_text  ? pos_text->font  : -1);
1139       int font_input                 = (pos_input ? pos_input->font : -1);
1140
1141       if (active_text)
1142       {
1143         button_graphic = BUTTON_ACTIVE(button_graphic);
1144         font_text = FONT_ACTIVE(font_text);
1145       }
1146
1147       if (active_input)
1148       {
1149         font_input = FONT_ACTIVE(font_input);
1150       }
1151
1152       if (visibleMenuPos(pos_button))
1153       {
1154         struct MenuPosInfo *pos = pos_button;
1155         int x = mSX + pos->x;
1156         int y = mSY + pos->y;
1157
1158         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1159         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1160       }
1161
1162       if (visibleTextPos(pos_text) && text != NULL)
1163       {
1164         struct TextPosInfo *pos = pos_text;
1165         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1166         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1167
1168 #if 1
1169         /* (check why/if this is needed) */
1170         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1171 #endif
1172         DrawText(x, y, text, font_text);
1173       }
1174
1175       if (visibleTextPos(pos_input) && input != NULL)
1176       {
1177         struct TextPosInfo *pos = pos_input;
1178         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1179         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1180
1181 #if 1
1182         /* (check why/if this is needed) */
1183         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1184 #endif
1185         DrawText(x, y, input, font_input);
1186       }
1187     }
1188   }
1189 }
1190
1191 static void DrawCursorAndText_Main(int nr, boolean active_text,
1192                                    boolean pressed_button)
1193 {
1194   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1195 }
1196
1197 #if 0
1198 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1199                                          boolean pressed_button)
1200 {
1201   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1202 }
1203 #endif
1204
1205 static struct MainControlInfo *getMainControlInfo(int nr)
1206 {
1207   int i;
1208
1209   for (i = 0; main_controls[i].nr != -1; i++)
1210     if (main_controls[i].nr == nr)
1211       return &main_controls[i];
1212
1213   return NULL;
1214 }
1215
1216 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1217 {
1218   if (rect == NULL)
1219     return FALSE;
1220
1221   int rect_x = ALIGNED_TEXT_XPOS(rect);
1222   int rect_y = ALIGNED_TEXT_YPOS(rect);
1223
1224   return (x >= rect_x && x < rect_x + rect->width &&
1225           y >= rect_y && y < rect_y + rect->height);
1226 }
1227
1228 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1229 {
1230   if (rect == NULL)
1231     return FALSE;
1232
1233   int rect_x = ALIGNED_TEXT_XPOS(rect);
1234   int rect_y = ALIGNED_TEXT_YPOS(rect);
1235
1236 #if 0
1237   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1238          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1239          (x >= rect_x && x < rect_x + rect->width &&
1240           y >= rect_y && y < rect_y + rect->height));
1241 #endif
1242
1243   return (x >= rect_x && x < rect_x + rect->width &&
1244           y >= rect_y && y < rect_y + rect->height);
1245 }
1246
1247 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1248 {
1249   int rect_width  = preview->xsize * preview->tile_size;
1250   int rect_height = preview->ysize * preview->tile_size;
1251   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1252   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1253
1254   return (x >= rect_x && x < rect_x + rect_width &&
1255           y >= rect_y && y < rect_y + rect_height);
1256 }
1257
1258 static void AdjustScrollbar(int id, int items_max, int items_visible,
1259                             int item_position)
1260 {
1261   struct GadgetInfo *gi = screen_gadget[id];
1262
1263   if (item_position > items_max - items_visible)
1264     item_position = items_max - items_visible;
1265
1266   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1267                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1268                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1269 }
1270
1271 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1272 {
1273   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1274                   first_entry);
1275 }
1276
1277 static void clearMenuListArea()
1278 {
1279   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1280
1281   /* correct scrollbar position if placed outside menu (playfield) area */
1282   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1283     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1284
1285   /* clear menu list area, but not title or scrollbar */
1286   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1287                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1288 }
1289
1290 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1291 {
1292   static int cursor_array[MAX_LEV_FIELDY];
1293   int x = mSX + TILEX * xpos;
1294   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1295
1296   if (xpos == 0)
1297   {
1298     if (graphic != -1)
1299       cursor_array[ypos] = graphic;
1300     else
1301       graphic = cursor_array[ypos];
1302   }
1303
1304   if (active)
1305     graphic = BUTTON_ACTIVE(graphic);
1306
1307   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1308   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1309 }
1310
1311 static void initCursor(int ypos, int graphic)
1312 {
1313   drawCursorExt(0, ypos, FALSE, graphic);
1314 }
1315
1316 static void drawCursor(int ypos, boolean active)
1317 {
1318   drawCursorExt(0, ypos, active, -1);
1319 }
1320
1321 static void drawCursorXY(int xpos, int ypos, int graphic)
1322 {
1323   drawCursorExt(xpos, ypos, FALSE, graphic);
1324 }
1325
1326 static void drawChooseTreeCursor(int ypos, boolean active)
1327 {
1328   drawCursorExt(0, ypos, active, -1);
1329 }
1330
1331 void DrawHeadline()
1332 {
1333   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1334   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1335 }
1336
1337 void DrawTitleScreenImage(int nr, boolean initial)
1338 {
1339   int graphic = getTitleScreenGraphic(nr, initial);
1340   Bitmap *bitmap = graphic_info[graphic].bitmap;
1341   int width  = graphic_info[graphic].width;
1342   int height = graphic_info[graphic].height;
1343   int src_x = graphic_info[graphic].src_x;
1344   int src_y = graphic_info[graphic].src_y;
1345   int dst_x, dst_y;
1346
1347   if (bitmap == NULL)
1348     return;
1349
1350   if (width > WIN_XSIZE)
1351   {
1352     /* image width too large for window => center image horizontally */
1353     src_x = (width - WIN_XSIZE) / 2;
1354     width = WIN_XSIZE;
1355   }
1356
1357   if (height > WIN_YSIZE)
1358   {
1359     /* image height too large for window => center image vertically */
1360     src_y = (height - WIN_YSIZE) / 2;
1361     height = WIN_YSIZE;
1362   }
1363
1364   /* always display title screens centered */
1365   dst_x = (WIN_XSIZE - width) / 2;
1366   dst_y = (WIN_YSIZE - height) / 2;
1367
1368   SetDrawBackgroundMask(REDRAW_ALL);
1369   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1370
1371   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1372
1373   if (DrawingOnBackground(dst_x, dst_y))
1374     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1375   else
1376     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1377
1378   redraw_mask = REDRAW_ALL;
1379 }
1380
1381 void DrawTitleScreenMessage(int nr, boolean initial)
1382 {
1383   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1384   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1385
1386   if (filename == NULL)
1387     return;
1388
1389   /* force TITLE font on title message screen */
1390   SetFontStatus(getTitleMessageGameMode(initial));
1391
1392   /* if chars *and* width set to "-1", automatically determine width */
1393   if (tmi->chars == -1 && tmi->width == -1)
1394     tmi->width = viewport.window[game_status].width;
1395
1396   /* if lines *and* height set to "-1", automatically determine height */
1397   if (tmi->lines == -1 && tmi->height == -1)
1398     tmi->height = viewport.window[game_status].height;
1399
1400   /* if chars set to "-1", automatically determine by text and font width */
1401   if (tmi->chars == -1)
1402     tmi->chars = tmi->width / getFontWidth(tmi->font);
1403   else
1404     tmi->width = tmi->chars * getFontWidth(tmi->font);
1405
1406   /* if lines set to "-1", automatically determine by text and font height */
1407   if (tmi->lines == -1)
1408     tmi->lines = tmi->height / getFontHeight(tmi->font);
1409   else
1410     tmi->height = tmi->lines * getFontHeight(tmi->font);
1411
1412   /* if x set to "-1", automatically determine by width and alignment */
1413   if (tmi->x == -1)
1414     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1415
1416   /* if y set to "-1", automatically determine by height and alignment */
1417   if (tmi->y == -1)
1418     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1419
1420   SetDrawBackgroundMask(REDRAW_ALL);
1421   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1422
1423   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1424
1425   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1426                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1427                tmi->autowrap, tmi->centered, tmi->parse_comments);
1428
1429   ResetFontStatus();
1430 }
1431
1432 void DrawTitleScreen()
1433 {
1434   KeyboardAutoRepeatOff();
1435
1436   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1437 }
1438
1439 boolean CheckTitleScreen(boolean levelset_has_changed)
1440 {
1441   static boolean show_title_initial = TRUE;
1442   boolean show_titlescreen = FALSE;
1443
1444   /* needed to be able to skip title screen, if no image or message defined */
1445   InitializeTitleControls(show_title_initial);
1446
1447   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1448     show_titlescreen = TRUE;
1449
1450   /* show initial title images and messages only once at program start */
1451   show_title_initial = FALSE;
1452
1453   return (show_titlescreen && num_title_screens > 0);
1454 }
1455
1456 void DrawMainMenu()
1457 {
1458   static LevelDirTree *leveldir_last_valid = NULL;
1459   boolean levelset_has_changed = FALSE;
1460   int fade_mask = REDRAW_FIELD;
1461
1462   LimitScreenUpdates(FALSE);
1463
1464   FadeSetLeaveScreen();
1465
1466   /* do not fade out here -- function may continue and fade on editor screen */
1467
1468   UnmapAllGadgets();
1469   FadeMenuSoundsAndMusic();
1470
1471   ExpireSoundLoops(FALSE);
1472
1473   KeyboardAutoRepeatOn();
1474
1475   audio.sound_deactivated = FALSE;
1476
1477   GetPlayerConfig();
1478
1479   /* needed if last screen was the playing screen, invoked from level editor */
1480   if (level_editor_test_game)
1481   {
1482     CloseDoor(DOOR_CLOSE_ALL);
1483
1484     SetGameStatus(GAME_MODE_EDITOR);
1485
1486     DrawLevelEd();
1487
1488     return;
1489   }
1490
1491   /* needed if last screen was the setup screen and fullscreen state changed */
1492   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1493   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1494
1495   /* leveldir_current may be invalid (level group, parent link) */
1496   if (!validLevelSeries(leveldir_current))
1497     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1498
1499   if (leveldir_current != leveldir_last_valid)
1500     levelset_has_changed = TRUE;
1501
1502   /* store valid level series information */
1503   leveldir_last_valid = leveldir_current;
1504
1505   init_last = init;                     /* switch to new busy animation */
1506
1507   /* needed if last screen (level choice) changed graphics, sounds or music */
1508   ReloadCustomArtwork(0);
1509
1510   if (CheckTitleScreen(levelset_has_changed))
1511   {
1512     SetGameStatus(GAME_MODE_TITLE);
1513
1514     DrawTitleScreen();
1515
1516     return;
1517   }
1518
1519   if (redraw_mask & REDRAW_ALL)
1520     fade_mask = REDRAW_ALL;
1521
1522   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
1523     fade_mask = REDRAW_ALL;
1524
1525   FadeOut(fade_mask);
1526
1527   /* needed if different viewport properties defined for menues */
1528   ChangeViewportPropertiesIfNeeded();
1529
1530   SetDrawtoField(DRAW_TO_BACKBUFFER);
1531
1532   /* level_nr may have been set to value over handicap with level editor */
1533   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1534     level_nr = leveldir_current->handicap_level;
1535
1536   LoadLevel(level_nr);
1537   LoadScore(level_nr);
1538
1539   SaveLevelSetup_SeriesInfo();
1540
1541   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1542   SetDrawDeactivationMask(REDRAW_NONE);
1543   SetDrawBackgroundMask(REDRAW_FIELD);
1544
1545   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1546
1547 #if 0
1548   if (fade_mask == REDRAW_ALL)
1549     RedrawGlobalBorder();
1550 #endif
1551
1552   ClearField();
1553
1554   InitializeMainControls();
1555
1556   DrawCursorAndText_Main(-1, FALSE, FALSE);
1557   DrawPreviewLevelInitial();
1558
1559   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1560
1561   TapeStop();
1562   if (TAPE_IS_EMPTY(tape))
1563     LoadTape(level_nr);
1564   DrawCompleteVideoDisplay();
1565
1566   PlayMenuSoundsAndMusic();
1567
1568   /* create gadgets for main menu screen */
1569   FreeScreenGadgets();
1570   CreateScreenGadgets();
1571
1572   /* map gadgets for main menu screen */
1573   MapTapeButtons();
1574   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1575
1576   /* copy actual game door content to door double buffer for OpenDoor() */
1577   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1578   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1579
1580   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1581
1582   DrawMaskedBorder(fade_mask);
1583
1584   FadeIn(fade_mask);
1585   FadeSetEnterMenu();
1586
1587   /* update screen area with special editor door */
1588   redraw_mask |= REDRAW_ALL;
1589   BackToFront();
1590
1591   SetMouseCursor(CURSOR_DEFAULT);
1592
1593   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1594 }
1595
1596 static void gotoTopLevelDir()
1597 {
1598   /* move upwards until inside (but not above) top level directory */
1599   while (leveldir_current->node_parent &&
1600          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1601   {
1602     /* write a "path" into level tree for easy navigation to last level */
1603     if (leveldir_current->node_parent->node_group->cl_first == -1)
1604     {
1605       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1606       int leveldir_pos = posTreeInfo(leveldir_current);
1607       int num_page_entries;
1608       int cl_first, cl_cursor;
1609
1610       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1611         num_page_entries = num_leveldirs;
1612       else
1613         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1614
1615       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1616       cl_cursor = leveldir_pos - cl_first;
1617
1618       leveldir_current->node_parent->node_group->cl_first = cl_first;
1619       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1620     }
1621
1622     leveldir_current = leveldir_current->node_parent;
1623   }
1624 }
1625
1626 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1627 {
1628   static unsigned int title_delay = 0;
1629   static int title_screen_nr = 0;
1630   static int last_sound = -1, last_music = -1;
1631   boolean return_to_main_menu = FALSE;
1632   struct TitleControlInfo *tci;
1633   int sound, music;
1634
1635   if (button == MB_MENU_INITIALIZE)
1636   {
1637     title_delay = 0;
1638     title_screen_nr = 0;
1639     tci = &title_controls[title_screen_nr];
1640
1641     SetAnimStatus(getTitleAnimMode(tci));
1642
1643     last_sound = SND_UNDEFINED;
1644     last_music = MUS_UNDEFINED;
1645
1646     if (num_title_screens != 0)
1647     {
1648       FadeSetEnterScreen();
1649
1650       /* use individual title fading instead of global "enter screen" fading */
1651       fading = getTitleFading(tci);
1652     }
1653
1654     if (game_status_last_screen == GAME_MODE_INFO)
1655     {
1656       if (num_title_screens == 0)
1657       {
1658         /* switch game mode from title screen mode back to info screen mode */
1659         SetGameStatus(GAME_MODE_INFO);
1660
1661         /* store that last screen was info screen, not main menu screen */
1662         game_status_last_screen = GAME_MODE_INFO;
1663
1664         DrawInfoScreen_NotAvailable("Title screen information:",
1665                                     "No title screen for this level set.");
1666         return;
1667       }
1668
1669       FadeMenuSoundsAndMusic();
1670     }
1671
1672     FadeOut(REDRAW_ALL);
1673
1674     /* title screens may have different window size */
1675     ChangeViewportPropertiesIfNeeded();
1676
1677     /* only required to update logic for redrawing global border */
1678     ClearField();
1679
1680     if (tci->is_image)
1681       DrawTitleScreenImage(tci->local_nr, tci->initial);
1682     else
1683       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1684
1685     sound = getTitleSound(tci);
1686     music = getTitleMusic(tci);
1687
1688     if (sound != last_sound)
1689       PlayMenuSoundExt(sound);
1690     if (music != last_music)
1691       PlayMenuMusicExt(music);
1692
1693     last_sound = sound;
1694     last_music = music;
1695
1696     SetMouseCursor(CURSOR_NONE);
1697
1698     FadeIn(REDRAW_ALL);
1699
1700     DelayReached(&title_delay, 0);      /* reset delay counter */
1701
1702     return;
1703   }
1704
1705   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1706     button = MB_MENU_CHOICE;
1707
1708   if (button == MB_MENU_LEAVE)
1709   {
1710     return_to_main_menu = TRUE;
1711   }
1712   else if (button == MB_MENU_CHOICE)
1713   {
1714     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1715     {
1716       SetGameStatus(GAME_MODE_INFO);
1717
1718       info_mode = INFO_MODE_MAIN;
1719
1720       DrawInfoScreen();
1721
1722       return;
1723     }
1724
1725     title_screen_nr++;
1726
1727     if (title_screen_nr < num_title_screens)
1728     {
1729       tci = &title_controls[title_screen_nr];
1730
1731       SetAnimStatus(getTitleAnimMode(tci));
1732
1733       sound = getTitleSound(tci);
1734       music = getTitleMusic(tci);
1735
1736       if (last_sound != SND_UNDEFINED && sound != last_sound)
1737         FadeSound(last_sound);
1738       if (last_music != MUS_UNDEFINED && music != last_music)
1739         FadeMusic();
1740
1741       fading = getTitleFading(tci);
1742
1743       FadeOut(REDRAW_ALL);
1744
1745       if (tci->is_image)
1746         DrawTitleScreenImage(tci->local_nr, tci->initial);
1747       else
1748         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1749
1750       sound = getTitleSound(tci);
1751       music = getTitleMusic(tci);
1752
1753       if (sound != last_sound)
1754         PlayMenuSoundExt(sound);
1755       if (music != last_music)
1756         PlayMenuMusicExt(music);
1757
1758       last_sound = sound;
1759       last_music = music;
1760
1761       FadeIn(REDRAW_ALL);
1762
1763       DelayReached(&title_delay, 0);    /* reset delay counter */
1764     }
1765     else
1766     {
1767       FadeMenuSoundsAndMusic();
1768
1769       return_to_main_menu = TRUE;
1770     }
1771   }
1772
1773   if (return_to_main_menu)
1774   {
1775     SetMouseCursor(CURSOR_DEFAULT);
1776
1777     /* force full menu screen redraw after displaying title screens */
1778     redraw_mask = REDRAW_ALL;
1779
1780     if (game_status_last_screen == GAME_MODE_INFO)
1781     {
1782       SetGameStatus(GAME_MODE_INFO);
1783
1784       info_mode = INFO_MODE_MAIN;
1785
1786       DrawInfoScreen();
1787     }
1788     else        /* default: return to main menu */
1789     {
1790       SetGameStatus(GAME_MODE_MAIN);
1791
1792       DrawMainMenu();
1793     }
1794   }
1795 }
1796
1797 void HandleMainMenu_SelectLevel(int step, int direction, int selected_level_nr)
1798 {
1799   int old_level_nr = level_nr;
1800   int new_level_nr;
1801
1802   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1803     new_level_nr = selected_level_nr;
1804   else
1805     new_level_nr = old_level_nr + step * direction;
1806
1807   if (new_level_nr < leveldir_current->first_level)
1808     new_level_nr = leveldir_current->first_level;
1809   if (new_level_nr > leveldir_current->last_level)
1810     new_level_nr = leveldir_current->last_level;
1811
1812   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1813   {
1814     /* skipping levels is only allowed when trying to skip single level */
1815     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1816         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1817     {
1818       leveldir_current->handicap_level++;
1819       SaveLevelSetup_SeriesInfo();
1820     }
1821
1822     new_level_nr = leveldir_current->handicap_level;
1823   }
1824
1825   if (new_level_nr != old_level_nr)
1826   {
1827     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1828
1829     PlaySound(SND_MENU_ITEM_SELECTING);
1830
1831     level_nr = new_level_nr;
1832
1833     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1834              int2str(level_nr, menu.main.text.level_number.size),
1835              mci->pos_text->font);
1836
1837     LoadLevel(level_nr);
1838     DrawPreviewLevelInitial();
1839
1840     TapeErase();
1841     LoadTape(level_nr);
1842     DrawCompleteVideoDisplay();
1843
1844     SaveLevelSetup_SeriesInfo();
1845
1846     /* needed because DrawPreviewLevelInitial() takes some time */
1847     BackToFront();
1848     /* SyncDisplay(); */
1849   }
1850 }
1851
1852 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1853 {
1854   static int choice = MAIN_CONTROL_GAME;
1855   static boolean button_pressed_last = FALSE;
1856   boolean button_pressed = FALSE;
1857   int pos = choice;
1858   int i;
1859
1860   if (button == MB_MENU_INITIALIZE)
1861   {
1862     DrawCursorAndText_Main(choice, TRUE, FALSE);
1863
1864     return;
1865   }
1866
1867   if (mx || my)         /* mouse input */
1868   {
1869     pos = -1;
1870
1871     for (i = 0; main_controls[i].nr != -1; i++)
1872     {
1873       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1874           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1875           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1876       {
1877         pos = main_controls[i].nr;
1878
1879         break;
1880       }
1881     }
1882
1883     /* check if level preview was clicked */
1884     if (insidePreviewRect(&preview, mx - SX, my - SY))
1885       pos = MAIN_CONTROL_GAME;
1886
1887     // handle pressed/unpressed state for active/inactive menu buttons
1888     // (if pos != -1, "i" contains index position corresponding to "pos")
1889     if (button &&
1890         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
1891         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
1892       button_pressed = TRUE;
1893
1894     if (button_pressed != button_pressed_last)
1895     {
1896       DrawCursorAndText_Main(choice, TRUE, button_pressed);
1897
1898       if (button_pressed)
1899         PlaySound(SND_MENU_BUTTON_PRESSING);
1900       else
1901         PlaySound(SND_MENU_BUTTON_RELEASING);
1902     }
1903   }
1904   else if (dx || dy)    /* keyboard input */
1905   {
1906     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
1907                    choice == MAIN_CONTROL_SETUP))
1908       button = MB_MENU_CHOICE;
1909     else if (dy)
1910       pos = choice + dy;
1911   }
1912
1913   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
1914   {
1915     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
1916   }
1917   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
1918   {
1919     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
1920   }
1921   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
1922   {
1923     CloseDoor(DOOR_CLOSE_2);
1924
1925     SetGameStatus(GAME_MODE_LEVELNR);
1926
1927     DrawChooseLevelNr();
1928   }
1929   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
1930   {
1931     if (button)
1932     {
1933       if (pos != choice)
1934       {
1935         PlaySound(SND_MENU_ITEM_ACTIVATING);
1936
1937         DrawCursorAndText_Main(choice, FALSE, FALSE);
1938         DrawCursorAndText_Main(pos, TRUE, button_pressed);
1939
1940         choice = pos;
1941       }
1942       else if (dx != 0)
1943       {
1944         if (choice != MAIN_CONTROL_INFO &&
1945             choice != MAIN_CONTROL_SETUP)
1946           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
1947       }
1948     }
1949     else
1950     {
1951       PlaySound(SND_MENU_ITEM_SELECTING);
1952
1953       if (pos == MAIN_CONTROL_NAME)
1954       {
1955         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
1956
1957         HandleTypeName(strlen(setup.player_name), 0);
1958       }
1959       else if (pos == MAIN_CONTROL_LEVELS)
1960       {
1961         if (leveldir_first)
1962         {
1963           CloseDoor(DOOR_CLOSE_2);
1964
1965           SetGameStatus(GAME_MODE_LEVELS);
1966
1967           SaveLevelSetup_LastSeries();
1968           SaveLevelSetup_SeriesInfo();
1969
1970           if (setup.internal.choose_from_top_leveldir)
1971             gotoTopLevelDir();
1972
1973           DrawChooseLevelSet();
1974         }
1975       }
1976       else if (pos == MAIN_CONTROL_SCORES)
1977       {
1978         CloseDoor(DOOR_CLOSE_2);
1979
1980         SetGameStatus(GAME_MODE_SCORES);
1981
1982         DrawHallOfFame(-1);
1983       }
1984       else if (pos == MAIN_CONTROL_EDITOR)
1985       {
1986         if (leveldir_current->readonly &&
1987             !strEqual(setup.player_name, "Artsoft"))
1988           Request("This level is read only!", REQ_CONFIRM);
1989
1990         CloseDoor(DOOR_CLOSE_2);
1991
1992         SetGameStatus(GAME_MODE_EDITOR);
1993
1994         FadeSetEnterScreen();
1995
1996         DrawLevelEd();
1997       }
1998       else if (pos == MAIN_CONTROL_INFO)
1999       {
2000         CloseDoor(DOOR_CLOSE_2);
2001
2002         SetGameStatus(GAME_MODE_INFO);
2003
2004         info_mode = INFO_MODE_MAIN;
2005
2006         DrawInfoScreen();
2007       }
2008       else if (pos == MAIN_CONTROL_GAME)
2009       {
2010         StartGameActions(options.network, setup.autorecord, level.random_seed);
2011       }
2012       else if (pos == MAIN_CONTROL_SETUP)
2013       {
2014         CloseDoor(DOOR_CLOSE_2);
2015
2016         SetGameStatus(GAME_MODE_SETUP);
2017
2018         setup_mode = SETUP_MODE_MAIN;
2019
2020         DrawSetupScreen();
2021       }
2022       else if (pos == MAIN_CONTROL_QUIT)
2023       {
2024         SaveLevelSetup_LastSeries();
2025         SaveLevelSetup_SeriesInfo();
2026
2027         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2028           SetGameStatus(GAME_MODE_QUIT);
2029       }
2030     }
2031   }
2032
2033   button_pressed_last = button_pressed;
2034 }
2035
2036
2037 /* ========================================================================= */
2038 /* info screen functions                                                     */
2039 /* ========================================================================= */
2040
2041 static struct TokenInfo *info_info;
2042 static int num_info_info;       /* number of info entries shown on screen */
2043 static int max_info_info;       /* total number of info entries in list */
2044
2045 static void execInfoTitleScreen()
2046 {
2047   info_mode = INFO_MODE_TITLE;
2048
2049   DrawInfoScreen();
2050 }
2051
2052 static void execInfoElements()
2053 {
2054   info_mode = INFO_MODE_ELEMENTS;
2055
2056   DrawInfoScreen();
2057 }
2058
2059 static void execInfoMusic()
2060 {
2061   info_mode = INFO_MODE_MUSIC;
2062
2063   DrawInfoScreen();
2064 }
2065
2066 static void execInfoCredits()
2067 {
2068   info_mode = INFO_MODE_CREDITS;
2069
2070   DrawInfoScreen();
2071 }
2072
2073 static void execInfoProgram()
2074 {
2075   info_mode = INFO_MODE_PROGRAM;
2076
2077   DrawInfoScreen();
2078 }
2079
2080 static void execInfoVersion()
2081 {
2082   info_mode = INFO_MODE_VERSION;
2083
2084   DrawInfoScreen();
2085 }
2086
2087 static void execInfoLevelSet()
2088 {
2089   info_mode = INFO_MODE_LEVELSET;
2090
2091   DrawInfoScreen();
2092 }
2093
2094 static void execExitInfo()
2095 {
2096   SetGameStatus(GAME_MODE_MAIN);
2097
2098   DrawMainMenu();
2099 }
2100
2101 static struct TokenInfo info_info_main[] =
2102 {
2103   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2104   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2105   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2106   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2107   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2108   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2109   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2110   { TYPE_EMPTY,         NULL,                   ""                      },
2111   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2112
2113   { 0,                  NULL,                   NULL                    }
2114 };
2115
2116 static int getMenuTextFont(int type)
2117 {
2118   if (type & (TYPE_SWITCH       |
2119               TYPE_YES_NO       |
2120               TYPE_YES_NO_AUTO  |
2121               TYPE_STRING       |
2122               TYPE_ECS_AGA      |
2123               TYPE_KEYTEXT      |
2124               TYPE_ENTER_LIST))
2125     return FONT_MENU_2;
2126   else
2127     return FONT_MENU_1;
2128 }
2129
2130 static struct TokenInfo *setup_info;
2131 static struct TokenInfo setup_info_input[];
2132
2133 static struct TokenInfo *menu_info;
2134
2135 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2136                                        int screen_pos, int menu_info_pos_raw,
2137                                        boolean active)
2138 {
2139   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2140   struct TokenInfo *ti = &token_info[pos];
2141   int xpos = MENU_SCREEN_START_XPOS;
2142   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2143   int font_nr = getMenuTextFont(ti->type);
2144
2145   if (token_info == setup_info_input)
2146     font_nr = FONT_MENU_1;
2147
2148   if (active)
2149     font_nr = FONT_ACTIVE(font_nr);
2150
2151   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2152
2153   if (ti->type & ~TYPE_SKIP_ENTRY)
2154     drawCursor(screen_pos, active);
2155 }
2156
2157 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2158                                    boolean active)
2159 {
2160   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2161 }
2162
2163 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2164                                     boolean active)
2165 {
2166   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2167 }
2168
2169 static char *window_size_text;
2170 static char *scaling_type_text;
2171
2172 static void drawSetupValue(int, int);
2173
2174 static void drawMenuInfoList(int first_entry, int num_page_entries,
2175                              int max_page_entries)
2176 {
2177   int i;
2178
2179   if (first_entry + num_page_entries > max_page_entries)
2180     first_entry = 0;
2181
2182   clearMenuListArea();
2183
2184   for (i = 0; i < num_page_entries; i++)
2185   {
2186     int menu_info_pos = first_entry + i;
2187     struct TokenInfo *si = &menu_info[menu_info_pos];
2188     void *value_ptr = si->value;
2189
2190     /* set some entries to "unchangeable" according to other variables */
2191     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2192         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2193         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2194         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2195         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2196         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2197       si->type |= TYPE_GHOSTED;
2198
2199     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2200       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2201     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2202       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2203     else if (si->type & ~TYPE_SKIP_ENTRY)
2204       initCursor(i, IMG_MENU_BUTTON);
2205
2206     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2207
2208     if (si->type & TYPE_VALUE &&
2209         menu_info == setup_info)
2210       drawSetupValue(i, menu_info_pos);
2211   }
2212 }
2213
2214 static void DrawInfoScreen_Main()
2215 {
2216   int fade_mask = REDRAW_FIELD;
2217   int i;
2218
2219   if (redraw_mask & REDRAW_ALL)
2220     fade_mask = REDRAW_ALL;
2221
2222   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
2223     fade_mask = REDRAW_ALL;
2224
2225   UnmapAllGadgets();
2226   FadeMenuSoundsAndMusic();
2227
2228   FreeScreenGadgets();
2229   CreateScreenGadgets();
2230
2231   /* (needed after displaying title screens which disable auto repeat) */
2232   KeyboardAutoRepeatOn();
2233
2234   FadeSetLeaveScreen();
2235
2236   FadeOut(fade_mask);
2237
2238   /* needed if different viewport properties defined for info screen */
2239   ChangeViewportPropertiesIfNeeded();
2240
2241   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2242
2243   ClearField();
2244
2245   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2246
2247   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2248
2249   info_info = info_info_main;
2250
2251   // determine maximal number of info entries that can be displayed on screen
2252   num_info_info = 0;
2253   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2254     num_info_info++;
2255
2256   // determine maximal number of info entries available for menu of info screen
2257   max_info_info = 0;
2258   for (i = 0; info_info[i].type != 0; i++)
2259     max_info_info++;
2260
2261   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2262
2263   MapScreenGadgets(max_info_info);
2264
2265   PlayMenuSoundsAndMusic();
2266
2267   DrawMaskedBorder(fade_mask);
2268
2269   FadeIn(fade_mask);
2270 }
2271
2272 static void changeSetupValue(int, int, int);
2273
2274 void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2275                       int mode, int num_page_entries, int max_page_entries)
2276 {
2277   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2278   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2279   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2280   int *num_page_entries_last = num_page_entries_all_last[game_status];
2281   int *choice_store = choice_stores[game_status];
2282   int *first_entry_store = first_entry_stores[game_status];
2283   int choice = choice_store[mode];              /* starts with 0 */
2284   int first_entry = first_entry_store[mode];    /* starts with 0 */
2285   int x = 0;
2286   int y = choice - first_entry;
2287   int y_old = y;
2288   boolean position_set_by_scrollbar = (dx == 999);
2289   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2290   int i;
2291
2292   if (button == MB_MENU_INITIALIZE)
2293   {
2294     // check if number of menu page entries has changed (may happen by change
2295     // of custom artwork definition value for 'list_size' for this menu screen)
2296     // (in this case, the last menu position most probably has to be corrected)
2297     if (num_page_entries != num_page_entries_last[mode])
2298     {
2299       choice_store[mode] = first_entry_store[mode] = 0;
2300
2301       choice = first_entry = 0;
2302       y = y_old = 0;
2303
2304       num_page_entries_last[mode] = num_page_entries;
2305     }
2306
2307     /* advance to first valid menu entry */
2308     while (choice < num_page_entries &&
2309            menu_info[choice].type & TYPE_SKIP_ENTRY)
2310       choice++;
2311
2312     if (position_set_by_scrollbar)
2313       first_entry = first_entry_store[mode] = dy;
2314     else
2315       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2316                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2317
2318     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2319
2320     if (choice < first_entry)
2321     {
2322       choice = first_entry;
2323
2324       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2325         choice++;
2326     }
2327     else if (choice > first_entry + num_page_entries - 1)
2328     {
2329       choice = first_entry + num_page_entries - 1;
2330
2331       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2332         choice--;
2333     }
2334
2335     choice_store[mode] = choice;
2336
2337     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2338
2339     return;
2340   }
2341   else if (button == MB_MENU_LEAVE)
2342   {
2343     PlaySound(SND_MENU_ITEM_SELECTING);
2344
2345     for (i = 0; i < max_page_entries; i++)
2346     {
2347       if (menu_info[i].type & TYPE_LEAVE_MENU)
2348       {
2349         void (*menu_callback_function)(void) = menu_info[i].value;
2350
2351         FadeSetLeaveMenu();
2352
2353         menu_callback_function();
2354
2355         break;  /* absolutely needed because function changes 'menu_info'! */
2356       }
2357     }
2358
2359     return;
2360   }
2361
2362   if (mx || my)         /* mouse input */
2363   {
2364     x = (mx - mSX) / 32;
2365     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2366   }
2367   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2368   {
2369     /* move cursor instead of scrolling when already at start/end of list */
2370     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2371       dy = -1;
2372     else if (dy == +1 * SCROLL_LINE &&
2373              first_entry + num_page_entries == max_page_entries)
2374       dy = 1;
2375
2376     /* handle scrolling screen one line or page */
2377     if (y + dy < 0 ||
2378         y + dy > num_page_entries - 1)
2379     {
2380       boolean redraw = FALSE;
2381
2382       if (ABS(dy) == SCROLL_PAGE)
2383         step = num_page_entries - 1;
2384
2385       if (dy < 0 && first_entry > 0)
2386       {
2387         /* scroll page/line up */
2388
2389         first_entry -= step;
2390         if (first_entry < 0)
2391           first_entry = 0;
2392
2393         redraw = TRUE;
2394       }
2395       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2396       {
2397         /* scroll page/line down */
2398
2399         first_entry += step;
2400         if (first_entry + num_page_entries > max_page_entries)
2401           first_entry = MAX(0, max_page_entries - num_page_entries);
2402
2403         redraw = TRUE;
2404       }
2405
2406       if (redraw)
2407       {
2408         choice += first_entry - first_entry_store[mode];
2409
2410         if (choice < first_entry)
2411         {
2412           choice = first_entry;
2413
2414           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2415             choice++;
2416         }
2417         else if (choice > first_entry + num_page_entries - 1)
2418         {
2419           choice = first_entry + num_page_entries - 1;
2420
2421           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2422             choice--;
2423         }
2424         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2425         {
2426           choice += SIGN(dy);
2427
2428           if (choice < first_entry ||
2429               choice > first_entry + num_page_entries - 1)
2430           first_entry += SIGN(dy);
2431         }
2432
2433         first_entry_store[mode] = first_entry;
2434         choice_store[mode] = choice;
2435
2436         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2437
2438         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2439
2440         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2441                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2442       }
2443
2444       return;
2445     }
2446
2447     if (dx)
2448     {
2449       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2450
2451       if (menu_info[choice].type & menu_navigation_type ||
2452           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2453           menu_info[choice].type & TYPE_YES_NO_AUTO)
2454         button = MB_MENU_CHOICE;
2455     }
2456     else if (dy)
2457       y += dy;
2458
2459     /* jump to next non-empty menu entry (up or down) */
2460     while (first_entry + y > 0 &&
2461            first_entry + y < max_page_entries - 1 &&
2462            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2463       y += dy;
2464
2465     if (!IN_VIS_MENU(x, y))
2466     {
2467       choice += y - y_old;
2468
2469       if (choice < first_entry)
2470         first_entry = choice;
2471       else if (choice > first_entry + num_page_entries - 1)
2472         first_entry = choice - num_page_entries + 1;
2473
2474       if (first_entry >= 0 &&
2475           first_entry + num_page_entries <= max_page_entries)
2476       {
2477         first_entry_store[mode] = first_entry;
2478
2479         if (choice < first_entry)
2480           choice = first_entry;
2481         else if (choice > first_entry + num_page_entries - 1)
2482           choice = first_entry + num_page_entries - 1;
2483
2484         choice_store[mode] = choice;
2485
2486         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2487
2488         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2489
2490         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2491                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2492       }
2493
2494       return;
2495     }
2496   }
2497
2498   if (!anyScrollbarGadgetActive() &&
2499       IN_VIS_MENU(x, y) &&
2500       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2501       y >= 0 && y < num_page_entries)
2502   {
2503     if (button)
2504     {
2505       if (first_entry + y != choice &&
2506           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2507       {
2508         PlaySound(SND_MENU_ITEM_ACTIVATING);
2509
2510         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2511         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2512
2513         choice = choice_store[mode] = first_entry + y;
2514       }
2515       else if (dx < 0)
2516       {
2517         PlaySound(SND_MENU_ITEM_SELECTING);
2518
2519         for (i = 0; menu_info[i].type != 0; i++)
2520         {
2521           if (menu_info[i].type & TYPE_LEAVE_MENU)
2522           {
2523             void (*menu_callback_function)(void) = menu_info[i].value;
2524
2525             FadeSetLeaveMenu();
2526
2527             menu_callback_function();
2528
2529             /* absolutely needed because function changes 'menu_info'! */
2530             break;
2531           }
2532         }
2533
2534         return;
2535       }
2536     }
2537     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2538     {
2539       PlaySound(SND_MENU_ITEM_SELECTING);
2540
2541       /* when selecting key headline, execute function for key value change */
2542       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2543           menu_info[first_entry + y + 1].type & TYPE_KEY)
2544         y++;
2545
2546       /* when selecting string value, execute function for list selection */
2547       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2548           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2549         y--;
2550
2551       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2552       {
2553         void (*menu_callback_function)(void) =
2554           menu_info[first_entry + y].value;
2555
2556         FadeSetFromType(menu_info[first_entry + y].type);
2557
2558         menu_callback_function();
2559       }
2560       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2561                menu_info == setup_info)
2562       {
2563         changeSetupValue(y, first_entry + y, dx);
2564       }
2565     }
2566   }
2567 }
2568
2569 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2570 {
2571   menu_info = info_info;
2572
2573   HandleMenuScreen(mx, my, dx, dy, button,
2574                    info_mode, num_info_info, max_info_info);
2575 }
2576
2577 static int getMenuFontSpacing(int spacing_height, int font_nr)
2578 {
2579   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2580
2581   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2582           spacing_height);
2583 }
2584
2585 static int getMenuTextSpacing(int spacing_height, int font_nr)
2586 {
2587   return (getMenuFontSpacing(spacing_height, font_nr) +
2588           EXTRA_SPACING(game_status));
2589 }
2590
2591 static int getMenuTextStep(int spacing_height, int font_nr)
2592 {
2593   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2594 }
2595
2596 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2597 {
2598   int font_title = MENU_INFO_FONT_TITLE;
2599   int font_error = FONT_TEXT_2;
2600   int font_foot  = MENU_INFO_FONT_FOOT;
2601   int spacing_title = menu.headline1_spacing_info[info_mode];
2602   int ystep_title = getMenuTextStep(spacing_title, font_title);
2603   int ystart1 = mSY - SY + 100;
2604   int ystart2 = ystart1 + ystep_title;
2605   int ybottom = mSY - SY + SYSIZE - 20;
2606
2607   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2608
2609   FadeOut(REDRAW_FIELD);
2610
2611   ClearField();
2612   DrawHeadline();
2613
2614   DrawTextSCentered(ystart1, font_title, text_title);
2615   DrawTextSCentered(ystart2, font_error, text_error);
2616
2617   DrawTextSCentered(ybottom, font_foot,
2618                     "Press any key or button for info menu");
2619
2620   FadeIn(REDRAW_FIELD);
2621 }
2622
2623 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2624 {
2625   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2626   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2627   int font_title = MENU_INFO_FONT_TITLE;
2628   int font_foot  = MENU_INFO_FONT_FOOT;
2629   int xstart = mSX + MENU_SCREEN_INFO_XSTART;
2630   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2631   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2632   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2633   int ystep = MENU_SCREEN_INFO_YSTEP;
2634   int element, action, direction;
2635   int graphic;
2636   int delay;
2637   int sync_frame;
2638   int i, j;
2639
2640   if (init)
2641   {
2642     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2643       infoscreen_step[i] = infoscreen_frame[i] = 0;
2644
2645     ClearField();
2646     DrawHeadline();
2647
2648     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2649
2650     DrawTextSCentered(ybottom, font_foot,
2651                       "Press any key or button for next page");
2652
2653     FrameCounter = 0;
2654   }
2655
2656   i = j = 0;
2657   while (helpanim_info[j].element != HELPANIM_LIST_END)
2658   {
2659     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2660         i >= max_anims)
2661       break;
2662     else if (i < start)
2663     {
2664       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2665         j++;
2666
2667       j++;
2668       i++;
2669
2670       continue;
2671     }
2672
2673     j += infoscreen_step[i - start];
2674
2675     element = helpanim_info[j].element;
2676     action = helpanim_info[j].action;
2677     direction = helpanim_info[j].direction;
2678
2679     if (element < 0)
2680       element = EL_UNKNOWN;
2681
2682     if (action != -1 && direction != -1)
2683       graphic = el_act_dir2img(element, action, direction);
2684     else if (action != -1)
2685       graphic = el_act2img(element, action);
2686     else if (direction != -1)
2687       graphic = el_dir2img(element, direction);
2688     else
2689       graphic = el2img(element);
2690
2691     delay = helpanim_info[j++].delay;
2692
2693     if (delay == -1)
2694       delay = 1000000;
2695
2696     if (infoscreen_frame[i - start] == 0)
2697     {
2698       sync_frame = 0;
2699       infoscreen_frame[i - start] = delay - 1;
2700     }
2701     else
2702     {
2703       sync_frame = delay - infoscreen_frame[i - start];
2704       infoscreen_frame[i - start]--;
2705     }
2706
2707     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2708     {
2709       if (!infoscreen_frame[i - start])
2710         infoscreen_step[i - start] = 0;
2711     }
2712     else
2713     {
2714       if (!infoscreen_frame[i - start])
2715         infoscreen_step[i - start]++;
2716       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2717         j++;
2718     }
2719
2720     j++;
2721
2722     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2723                                TILEX, TILEY);
2724     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2725                                  graphic, sync_frame, USE_MASKING);
2726
2727     if (init)
2728       DrawInfoScreen_HelpText(element, action, direction, i - start);
2729
2730     i++;
2731   }
2732
2733   redraw_mask |= REDRAW_FIELD;
2734
2735   FrameCounter++;
2736 }
2737
2738 static char *getHelpText(int element, int action, int direction)
2739 {
2740   char token[MAX_LINE_LEN];
2741
2742   strcpy(token, element_info[element].token_name);
2743
2744   if (action != -1)
2745     strcat(token, element_action_info[action].suffix);
2746
2747   if (direction != -1)
2748     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2749
2750   return getHashEntry(helptext_info, token);
2751 }
2752
2753 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2754 {
2755   int font_nr = FONT_INFO_ELEMENTS;
2756   int font_width = getFontWidth(font_nr);
2757   int font_height = getFontHeight(font_nr);
2758   int yoffset = (TILEX - 2 * font_height) / 2;
2759   int xstart = mSX + MINI_TILEX + TILEX + MINI_TILEX;
2760   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2761   int ystep = TILEY + 4;
2762   int pad_x = xstart - SX;
2763   int max_chars_per_line = (SXSIZE - pad_x - MINI_TILEX) / font_width;
2764   int max_lines_per_text = 2;
2765   char *text = NULL;
2766
2767   if (action != -1 && direction != -1)          /* element.action.direction */
2768     text = getHelpText(element, action, direction);
2769
2770   if (text == NULL && action != -1)             /* element.action */
2771     text = getHelpText(element, action, -1);
2772
2773   if (text == NULL && direction != -1)          /* element.direction */
2774     text = getHelpText(element, -1, direction);
2775
2776   if (text == NULL)                             /* base element */
2777     text = getHelpText(element, -1, -1);
2778
2779   if (text == NULL)                             /* not found */
2780     text = "No description available";
2781
2782   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2783     ystart += getFontHeight(font_nr) / 2;
2784
2785   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2786                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2787                  TRUE, FALSE, FALSE);
2788 }
2789
2790 void DrawInfoScreen_TitleScreen()
2791 {
2792   SetGameStatus(GAME_MODE_TITLE);
2793
2794   DrawTitleScreen();
2795 }
2796
2797 void HandleInfoScreen_TitleScreen(int button)
2798 {
2799   HandleTitleScreen(0, 0, 0, 0, button);
2800 }
2801
2802 void DrawInfoScreen_Elements()
2803 {
2804   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2805
2806   FadeOut(REDRAW_FIELD);
2807
2808   LoadHelpAnimInfo();
2809   LoadHelpTextInfo();
2810
2811   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2812
2813   FadeIn(REDRAW_FIELD);
2814 }
2815
2816 void HandleInfoScreen_Elements(int button)
2817 {
2818   static unsigned int info_delay = 0;
2819   static int num_anims;
2820   static int num_pages;
2821   static int page;
2822   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2823   int i;
2824
2825   if (button == MB_MENU_INITIALIZE)
2826   {
2827     boolean new_element = TRUE;
2828
2829     num_anims = 0;
2830
2831     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2832     {
2833       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2834         new_element = TRUE;
2835       else if (new_element)
2836       {
2837         num_anims++;
2838         new_element = FALSE;
2839       }
2840     }
2841
2842     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
2843     page = 0;
2844   }
2845
2846   if (button == MB_MENU_LEAVE)
2847   {
2848     PlaySound(SND_MENU_ITEM_SELECTING);
2849
2850     info_mode = INFO_MODE_MAIN;
2851     DrawInfoScreen();
2852
2853     return;
2854   }
2855   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2856   {
2857     if (button != MB_MENU_INITIALIZE)
2858     {
2859       PlaySound(SND_MENU_ITEM_SELECTING);
2860
2861       page++;
2862     }
2863
2864     if (page >= num_pages)
2865     {
2866       FadeMenuSoundsAndMusic();
2867
2868       info_mode = INFO_MODE_MAIN;
2869       DrawInfoScreen();
2870
2871       return;
2872     }
2873
2874     if (page > 0)
2875       FadeSetNextScreen();
2876
2877     if (button != MB_MENU_INITIALIZE)
2878       FadeOut(REDRAW_FIELD);
2879
2880     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
2881
2882     if (button != MB_MENU_INITIALIZE)
2883       FadeIn(REDRAW_FIELD);
2884   }
2885   else
2886   {
2887     if (DelayReached(&info_delay, GameFrameDelay))
2888       if (page < num_pages)
2889         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
2890
2891     PlayMenuSoundIfLoop();
2892   }
2893 }
2894
2895 void DrawInfoScreen_Music()
2896 {
2897   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
2898
2899   FadeOut(REDRAW_FIELD);
2900
2901   ClearField();
2902   DrawHeadline();
2903
2904   LoadMusicInfo();
2905
2906   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
2907
2908   FadeIn(REDRAW_FIELD);
2909 }
2910
2911 void HandleInfoScreen_Music(int button)
2912 {
2913   static struct MusicFileInfo *list = NULL;
2914   int font_title = MENU_INFO_FONT_TITLE;
2915   int font_head  = MENU_INFO_FONT_HEAD;
2916   int font_text  = MENU_INFO_FONT_TEXT;
2917   int font_foot  = MENU_INFO_FONT_FOOT;
2918   int spacing_title = menu.headline1_spacing_info[info_mode];
2919   int spacing_head  = menu.headline2_spacing_info[info_mode];
2920   int ystep_title = getMenuTextStep(spacing_title, font_title);
2921   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
2922   int ystart = mSY - SY + 100;
2923   int ybottom = mSY - SY + SYSIZE - 20;
2924
2925   if (button == MB_MENU_INITIALIZE)
2926   {
2927     list = music_file_info;
2928
2929     if (list == NULL)
2930     {
2931       FadeMenuSoundsAndMusic();
2932
2933       ClearField();
2934       DrawHeadline();
2935
2936       DrawTextSCentered(ystart, font_title,
2937                         "No music info for this level set.");
2938
2939       DrawTextSCentered(ybottom, font_foot,
2940                         "Press any key or button for info menu");
2941
2942       return;
2943     }
2944   }
2945
2946   if (button == MB_MENU_LEAVE)
2947   {
2948     PlaySound(SND_MENU_ITEM_SELECTING);
2949
2950     FadeMenuSoundsAndMusic();
2951
2952     info_mode = INFO_MODE_MAIN;
2953     DrawInfoScreen();
2954
2955     return;
2956   }
2957   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
2958   {
2959     if (button != MB_MENU_INITIALIZE)
2960     {
2961       PlaySound(SND_MENU_ITEM_SELECTING);
2962
2963       if (list != NULL)
2964         list = list->next;
2965     }
2966
2967     if (list == NULL)
2968     {
2969       FadeMenuSoundsAndMusic();
2970
2971       info_mode = INFO_MODE_MAIN;
2972       DrawInfoScreen();
2973
2974       return;
2975     }
2976
2977     FadeMenuSoundsAndMusic();
2978
2979     if (list != music_file_info)
2980       FadeSetNextScreen();
2981
2982     if (button != MB_MENU_INITIALIZE)
2983       FadeOut(REDRAW_FIELD);
2984
2985     ClearField();
2986     DrawHeadline();
2987
2988     if (list->is_sound)
2989     {
2990       int sound = list->music;
2991
2992       if (sound_info[sound].loop)
2993         PlaySoundLoop(sound);
2994       else
2995         PlaySound(sound);
2996
2997       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
2998     }
2999     else
3000     {
3001       PlayMusic(list->music);
3002
3003       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3004     }
3005
3006     ystart += ystep_title;
3007
3008     if (!strEqual(list->title, UNKNOWN_NAME))
3009     {
3010       if (!strEqual(list->title_header, UNKNOWN_NAME))
3011       {
3012         DrawTextSCentered(ystart, font_head, list->title_header);
3013         ystart += ystep_head;
3014       }
3015
3016       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3017       ystart += ystep_head;
3018     }
3019
3020     if (!strEqual(list->artist, UNKNOWN_NAME))
3021     {
3022       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3023         DrawTextSCentered(ystart, font_head, list->artist_header);
3024       else
3025         DrawTextSCentered(ystart, font_head, "by");
3026
3027       ystart += ystep_head;
3028
3029       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3030       ystart += ystep_head;
3031     }
3032
3033     if (!strEqual(list->album, UNKNOWN_NAME))
3034     {
3035       if (!strEqual(list->album_header, UNKNOWN_NAME))
3036         DrawTextSCentered(ystart, font_head, list->album_header);
3037       else
3038         DrawTextSCentered(ystart, font_head, "from the album");
3039
3040       ystart += ystep_head;
3041
3042       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3043       ystart += ystep_head;
3044     }
3045
3046     if (!strEqual(list->year, UNKNOWN_NAME))
3047     {
3048       if (!strEqual(list->year_header, UNKNOWN_NAME))
3049         DrawTextSCentered(ystart, font_head, list->year_header);
3050       else
3051         DrawTextSCentered(ystart, font_head, "from the year");
3052
3053       ystart += ystep_head;
3054
3055       DrawTextFCentered(ystart, font_text, "%s", list->year);
3056       ystart += ystep_head;
3057     }
3058
3059     DrawTextSCentered(ybottom, FONT_TEXT_4,
3060                       "Press any key or button for next page");
3061
3062     if (button != MB_MENU_INITIALIZE)
3063       FadeIn(REDRAW_FIELD);
3064   }
3065
3066   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3067     PlaySoundLoop(list->music);
3068 }
3069
3070 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3071 {
3072   int font_title = MENU_INFO_FONT_TITLE;
3073   int font_head  = MENU_INFO_FONT_HEAD;
3074   int font_text  = MENU_INFO_FONT_TEXT;
3075   int font_foot  = MENU_INFO_FONT_FOOT;
3076   int spacing_title = menu.headline1_spacing_info[info_mode];
3077   int spacing_head  = menu.headline2_spacing_info[info_mode];
3078   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3079   int spacing_line  = menu.line_spacing_info[info_mode];
3080   int ystep_title = getMenuTextStep(spacing_title, font_title);
3081   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3082   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3083   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3084   int ystart = mSY - SY + 100;
3085   int ybottom = mSY - SY + SYSIZE - 20;
3086
3087   ClearField();
3088   DrawHeadline();
3089
3090   DrawTextSCentered(ystart, font_title, "Credits:");
3091   ystart += ystep_title;
3092
3093   if (screen_nr == 0)
3094   {
3095     DrawTextSCentered(ystart, font_head,
3096                       "Special thanks to");
3097     ystart += ystep_head;
3098     DrawTextSCentered(ystart, font_text,
3099                       "Peter Liepa");
3100     ystart += ystep_head;
3101     DrawTextSCentered(ystart, font_head,
3102                       "for creating");
3103     ystart += ystep_head;
3104     DrawTextSCentered(ystart, font_text,
3105                       "\"Boulder Dash\"");
3106     ystart += ystep_head;
3107     DrawTextSCentered(ystart, font_head,
3108                       "in the year");
3109     ystart += ystep_head;
3110     DrawTextSCentered(ystart, font_text,
3111                       "1984");
3112     ystart += ystep_head;
3113     DrawTextSCentered(ystart, font_head,
3114                       "published by");
3115     ystart += ystep_head;
3116     DrawTextSCentered(ystart, font_text,
3117                       "First Star Software");
3118   }
3119   else if (screen_nr == 1)
3120   {
3121     DrawTextSCentered(ystart, font_head,
3122                       "Special thanks to");
3123     ystart += ystep_head;
3124     DrawTextSCentered(ystart, font_text,
3125                       "Klaus Heinz & Volker Wertich");
3126     ystart += ystep_head;
3127     DrawTextSCentered(ystart, font_head,
3128                       "for creating");
3129     ystart += ystep_head;
3130     DrawTextSCentered(ystart, font_text,
3131                       "\"Emerald Mine\"");
3132     ystart += ystep_head;
3133     DrawTextSCentered(ystart, font_head,
3134                       "in the year");
3135     ystart += ystep_head;
3136     DrawTextSCentered(ystart, font_text,
3137                       "1987");
3138     ystart += ystep_head;
3139     DrawTextSCentered(ystart, font_head,
3140                       "published by");
3141     ystart += ystep_head;
3142     DrawTextSCentered(ystart, font_text,
3143                       "Kingsoft");
3144   }
3145   else if (screen_nr == 2)
3146   {
3147     DrawTextSCentered(ystart, font_head,
3148                       "Special thanks to");
3149     ystart += ystep_head;
3150     DrawTextSCentered(ystart, font_text,
3151                       "Michael Stopp & Philip Jespersen");
3152     ystart += ystep_head;
3153     DrawTextSCentered(ystart, font_head,
3154                       "for creating");
3155     ystart += ystep_head;
3156     DrawTextSCentered(ystart, font_text,
3157                       "\"Supaplex\"");
3158     ystart += ystep_head;
3159     DrawTextSCentered(ystart, font_head,
3160                       "in the year");
3161     ystart += ystep_head;
3162     DrawTextSCentered(ystart, font_text,
3163                       "1991");
3164     ystart += ystep_head;
3165     DrawTextSCentered(ystart, font_head,
3166                       "published by");
3167     ystart += ystep_head;
3168     DrawTextSCentered(ystart, font_text,
3169                       "Digital Integration");
3170   }
3171   else if (screen_nr == 3)
3172   {
3173     DrawTextSCentered(ystart, font_head,
3174                       "Special thanks to");
3175     ystart += ystep_head;
3176     DrawTextSCentered(ystart, font_text,
3177                       "Hiroyuki Imabayashi");
3178     ystart += ystep_head;
3179     DrawTextSCentered(ystart, font_head,
3180                       "for creating");
3181     ystart += ystep_head;
3182     DrawTextSCentered(ystart, font_text,
3183                       "\"Sokoban\"");
3184     ystart += ystep_head;
3185     DrawTextSCentered(ystart, font_head,
3186                       "in the year");
3187     ystart += ystep_head;
3188     DrawTextSCentered(ystart, font_text,
3189                       "1982");
3190     ystart += ystep_head;
3191     DrawTextSCentered(ystart, font_head,
3192                       "published by");
3193     ystart += ystep_head;
3194     DrawTextSCentered(ystart, font_text,
3195                       "Thinking Rabbit");
3196   }
3197   else if (screen_nr == 4)
3198   {
3199     DrawTextSCentered(ystart, font_head,
3200                       "Special thanks to");
3201     ystart += ystep_head;
3202     DrawTextSCentered(ystart, font_text,
3203                       "Alan Bond");
3204     ystart += ystep_head;
3205     DrawTextSCentered(ystart, font_head,
3206                       "and");
3207     ystart += ystep_head;
3208     DrawTextSCentered(ystart, font_text,
3209                       "J\xfcrgen Bonhagen");
3210     ystart += ystep_head;
3211     DrawTextSCentered(ystart, font_head,
3212                       "for the continuous creation");
3213     ystart += ystep_line;
3214     DrawTextSCentered(ystart, font_head,
3215                       "of outstanding level sets");
3216   }
3217   else if (screen_nr == 5)
3218   {
3219     DrawTextSCentered(ystart, font_head,
3220                       "Thanks to");
3221     ystart += ystep_head;
3222     DrawTextSCentered(ystart, font_text,
3223                       "Peter Elzner");
3224     ystart += ystep_head;
3225     DrawTextSCentered(ystart, font_head,
3226                       "for ideas and inspiration by");
3227     ystart += ystep_head;
3228     DrawTextSCentered(ystart, font_text,
3229                       "Diamond Caves");
3230     ystart += ystep_para;
3231
3232     DrawTextSCentered(ystart, font_head,
3233                       "Thanks to");
3234     ystart += ystep_head;
3235     DrawTextSCentered(ystart, font_text,
3236                       "Steffest");
3237     ystart += ystep_head;
3238     DrawTextSCentered(ystart, font_head,
3239                       "for ideas and inspiration by");
3240     ystart += ystep_head;
3241     DrawTextSCentered(ystart, font_text,
3242                       "DX-Boulderdash");
3243   }
3244   else if (screen_nr == 6)
3245   {
3246     DrawTextSCentered(ystart, font_head,
3247                       "Thanks to");
3248     ystart += ystep_head;
3249     DrawTextSCentered(ystart, font_text,
3250                       "David Tritscher");
3251     ystart += ystep_head;
3252     DrawTextSCentered(ystart, font_head,
3253                       "for the code base used for the");
3254     ystart += ystep_line;
3255     DrawTextSCentered(ystart, font_head,
3256                       "native Emerald Mine engine");
3257   }
3258   else if (screen_nr == 7)
3259   {
3260     DrawTextSCentered(ystart, font_head,
3261                       "Thanks to");
3262     ystart += ystep_head;
3263     DrawTextSCentered(ystart, font_text,
3264                       "Guido Schulz");
3265     ystart += ystep_head;
3266     DrawTextSCentered(ystart, font_head,
3267                       "for the initial DOS port");
3268     ystart += ystep_para;
3269
3270     DrawTextSCentered(ystart, font_head,
3271                       "Thanks to");
3272     ystart += ystep_head;
3273     DrawTextSCentered(ystart, font_text,
3274                       "Karl H\xf6rnell");
3275     ystart += ystep_head;
3276     DrawTextSCentered(ystart, font_head,
3277                       "for some additional toons");
3278   }
3279   else if (screen_nr == 8)
3280   {
3281     DrawTextSCentered(ystart, font_head,
3282                       "And not to forget:");
3283     ystart += ystep_head;
3284     DrawTextSCentered(ystart, font_head,
3285                       "Many thanks to");
3286     ystart += ystep_head;
3287     DrawTextSCentered(ystart, font_text,
3288                       "All those who contributed");
3289     ystart += ystep_line;
3290     DrawTextSCentered(ystart, font_text,
3291                       "levels to this game");
3292     ystart += ystep_line;
3293     DrawTextSCentered(ystart, font_text,
3294                       "since 1995");
3295   }
3296
3297   DrawTextSCentered(ybottom, font_foot,
3298                     "Press any key or button for next page");
3299 }
3300
3301 void DrawInfoScreen_Credits()
3302 {
3303   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3304
3305   FadeMenuSoundsAndMusic();
3306
3307   FadeOut(REDRAW_FIELD);
3308
3309   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3310
3311   FadeIn(REDRAW_FIELD);
3312 }
3313
3314 void HandleInfoScreen_Credits(int button)
3315 {
3316   static int screen_nr = 0;
3317   int num_screens = 9;
3318
3319   if (button == MB_MENU_INITIALIZE)
3320   {
3321     screen_nr = 0;
3322
3323     // DrawInfoScreen_CreditsScreen(screen_nr);
3324   }
3325
3326   if (button == MB_MENU_LEAVE)
3327   {
3328     PlaySound(SND_MENU_ITEM_SELECTING);
3329
3330     info_mode = INFO_MODE_MAIN;
3331     DrawInfoScreen();
3332
3333     return;
3334   }
3335   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3336   {
3337     if (button != MB_MENU_INITIALIZE)
3338     {
3339       PlaySound(SND_MENU_ITEM_SELECTING);
3340
3341       screen_nr++;
3342     }
3343
3344     if (screen_nr >= num_screens)
3345     {
3346       FadeMenuSoundsAndMusic();
3347
3348       info_mode = INFO_MODE_MAIN;
3349       DrawInfoScreen();
3350
3351       return;
3352     }
3353
3354     if (screen_nr > 0)
3355       FadeSetNextScreen();
3356
3357     if (button != MB_MENU_INITIALIZE)
3358       FadeOut(REDRAW_FIELD);
3359
3360     DrawInfoScreen_CreditsScreen(screen_nr);
3361
3362     if (button != MB_MENU_INITIALIZE)
3363       FadeIn(REDRAW_FIELD);
3364   }
3365   else
3366   {
3367     PlayMenuSoundIfLoop();
3368   }
3369 }
3370
3371 void DrawInfoScreen_Program()
3372 {
3373   int font_title = MENU_INFO_FONT_TITLE;
3374   int font_head  = MENU_INFO_FONT_HEAD;
3375   int font_text  = MENU_INFO_FONT_TEXT;
3376   int font_foot  = MENU_INFO_FONT_FOOT;
3377   int spacing_title = menu.headline1_spacing_info[info_mode];
3378   int spacing_head  = menu.headline2_spacing_info[info_mode];
3379   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3380   int spacing_line  = menu.line_spacing_info[info_mode];
3381   int ystep_title = getMenuTextStep(spacing_title, font_title);
3382   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3383   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3384   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3385   int ystart = mSY - SY + 100;
3386   int ybottom = mSY - SY + SYSIZE - 20;
3387
3388   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3389
3390   FadeOut(REDRAW_FIELD);
3391
3392   ClearField();
3393   DrawHeadline();
3394
3395   DrawTextSCentered(ystart, font_title, "Program Information:");
3396   ystart += ystep_title;
3397
3398   DrawTextSCentered(ystart, font_head,
3399                     "This game is Freeware!");
3400   ystart += ystep_head;
3401   DrawTextSCentered(ystart, font_head,
3402                     "If you like it, send e-mail to:");
3403   ystart += ystep_head;
3404   DrawTextSCentered(ystart, font_text,
3405                     setup.internal.program_email);
3406   ystart += ystep_para;
3407
3408   DrawTextSCentered(ystart, font_head,
3409                     "More information and levels:");
3410   ystart += ystep_head;
3411   DrawTextSCentered(ystart, font_text,
3412                     setup.internal.program_website);
3413   ystart += ystep_para;
3414
3415   DrawTextSCentered(ystart, font_head,
3416                     "If you have created new levels,");
3417   ystart += ystep_line;
3418   DrawTextSCentered(ystart, font_head,
3419                     "send them to me to include them!");
3420   ystart += ystep_head;
3421   DrawTextSCentered(ystart, font_head,
3422                     ":-)");
3423
3424   DrawTextSCentered(ybottom, font_foot,
3425                     "Press any key or button for info menu");
3426
3427   FadeIn(REDRAW_FIELD);
3428 }
3429
3430 void HandleInfoScreen_Program(int button)
3431 {
3432   if (button == MB_MENU_LEAVE)
3433   {
3434     PlaySound(SND_MENU_ITEM_SELECTING);
3435
3436     info_mode = INFO_MODE_MAIN;
3437     DrawInfoScreen();
3438
3439     return;
3440   }
3441   else if (button == MB_MENU_CHOICE)
3442   {
3443     PlaySound(SND_MENU_ITEM_SELECTING);
3444
3445     FadeMenuSoundsAndMusic();
3446
3447     info_mode = INFO_MODE_MAIN;
3448     DrawInfoScreen();
3449   }
3450   else
3451   {
3452     PlayMenuSoundIfLoop();
3453   }
3454 }
3455
3456 void DrawInfoScreen_Version()
3457 {
3458   int font_title = MENU_INFO_FONT_TITLE;
3459   int font_head  = MENU_INFO_FONT_HEAD;
3460   int font_text  = MENU_INFO_FONT_TEXT;
3461   int font_foot  = MENU_INFO_FONT_FOOT;
3462   int spacing_title = menu.headline1_spacing_info[info_mode];
3463   int spacing_head  = menu.headline2_spacing_info[info_mode];
3464   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3465   int spacing_line  = menu.line_spacing_info[info_mode];
3466   int xstep = getFontWidth(font_text);
3467   int ystep_title = getMenuTextStep(spacing_title, font_title);
3468   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3469   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3470   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3471   int ystart  = mSY - SY + 100;
3472   int ybottom = mSY - SY + SYSIZE - 20;
3473   int xstart1 = mSX - SX + 2 * xstep;
3474   int xstart2 = mSX - SX + 18 * xstep;
3475   int xstart3 = mSX - SX + 28 * xstep;
3476   SDL_version sdl_version_compiled;
3477   const SDL_version *sdl_version_linked;
3478   int driver_name_len = 10;
3479 #if defined(TARGET_SDL2)
3480   SDL_version sdl_version_linked_ext;
3481   const char *driver_name = NULL;
3482 #else
3483   char driver_name[driver_name_len];
3484 #endif
3485
3486   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3487
3488   FadeOut(REDRAW_FIELD);
3489
3490   ClearField();
3491   DrawHeadline();
3492
3493   DrawTextSCentered(ystart, font_title, "Version Information:");
3494   ystart += ystep_title;
3495
3496   DrawTextF(xstart1, ystart, font_head, "Name");
3497   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3498   ystart += ystep_line;
3499
3500   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3501   {
3502     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3503     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3504     ystart += ystep_line;
3505
3506     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3507     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3508     ystart += ystep_line;
3509   }
3510   else
3511   {
3512     DrawTextF(xstart1, ystart, font_head, "Version");
3513     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3514     ystart += ystep_line;
3515   }
3516
3517   DrawTextF(xstart1, ystart, font_head, "Platform");
3518   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3519   ystart += ystep_line;
3520
3521   DrawTextF(xstart1, ystart, font_head, "Target");
3522   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3523   ystart += ystep_line;
3524
3525   DrawTextF(xstart1, ystart, font_head, "Source date");
3526   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3527   ystart += ystep_para;
3528
3529   DrawTextF(xstart1, ystart, font_head, "Library");
3530   DrawTextF(xstart2, ystart, font_head, "compiled");
3531   DrawTextF(xstart3, ystart, font_head, "linked");
3532   ystart += ystep_head;
3533
3534   SDL_VERSION(&sdl_version_compiled);
3535 #if defined(TARGET_SDL2)
3536   SDL_GetVersion(&sdl_version_linked_ext);
3537   sdl_version_linked = &sdl_version_linked_ext;
3538 #else
3539   sdl_version_linked = SDL_Linked_Version();
3540 #endif
3541
3542   DrawTextF(xstart1, ystart, font_text, "SDL");
3543   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3544             sdl_version_compiled.major,
3545             sdl_version_compiled.minor,
3546             sdl_version_compiled.patch);
3547   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3548             sdl_version_linked->major,
3549             sdl_version_linked->minor,
3550             sdl_version_linked->patch);
3551   ystart += ystep_line;
3552
3553   SDL_IMAGE_VERSION(&sdl_version_compiled);
3554   sdl_version_linked = IMG_Linked_Version();
3555
3556   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3557   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3558             sdl_version_compiled.major,
3559             sdl_version_compiled.minor,
3560             sdl_version_compiled.patch);
3561   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3562             sdl_version_linked->major,
3563             sdl_version_linked->minor,
3564             sdl_version_linked->patch);
3565   ystart += ystep_line;
3566
3567   SDL_MIXER_VERSION(&sdl_version_compiled);
3568   sdl_version_linked = Mix_Linked_Version();
3569
3570   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3571   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3572             sdl_version_compiled.major,
3573             sdl_version_compiled.minor,
3574             sdl_version_compiled.patch);
3575   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3576             sdl_version_linked->major,
3577             sdl_version_linked->minor,
3578             sdl_version_linked->patch);
3579   ystart += ystep_line;
3580
3581   SDL_NET_VERSION(&sdl_version_compiled);
3582   sdl_version_linked = SDLNet_Linked_Version();
3583
3584   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3585   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3586             sdl_version_compiled.major,
3587             sdl_version_compiled.minor,
3588             sdl_version_compiled.patch);
3589   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3590             sdl_version_linked->major,
3591             sdl_version_linked->minor,
3592             sdl_version_linked->patch);
3593   ystart += ystep_para;
3594
3595   DrawTextF(xstart1, ystart, font_head, "Driver");
3596   DrawTextF(xstart2, ystart, font_head, "Requested");
3597   DrawTextF(xstart3, ystart, font_head, "Used");
3598   ystart += ystep_head;
3599
3600 #if defined(TARGET_SDL2)
3601   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3602 #else
3603   SDL_VideoDriverName(driver_name, driver_name_len);
3604 #endif
3605
3606   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3607   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3608   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3609   ystart += ystep_line;
3610
3611 #if defined(TARGET_SDL2)
3612   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3613 #else
3614   SDL_AudioDriverName(driver_name, driver_name_len);
3615 #endif
3616
3617   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3618   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3619   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3620
3621   DrawTextSCentered(ybottom, font_foot,
3622                     "Press any key or button for info menu");
3623
3624   FadeIn(REDRAW_FIELD);
3625 }
3626
3627 void HandleInfoScreen_Version(int button)
3628 {
3629   if (button == MB_MENU_LEAVE)
3630   {
3631     PlaySound(SND_MENU_ITEM_SELECTING);
3632
3633     info_mode = INFO_MODE_MAIN;
3634     DrawInfoScreen();
3635
3636     return;
3637   }
3638   else if (button == MB_MENU_CHOICE)
3639   {
3640     PlaySound(SND_MENU_ITEM_SELECTING);
3641
3642     FadeMenuSoundsAndMusic();
3643
3644     info_mode = INFO_MODE_MAIN;
3645     DrawInfoScreen();
3646   }
3647   else
3648   {
3649     PlayMenuSoundIfLoop();
3650   }
3651 }
3652
3653 void DrawInfoScreen_LevelSet()
3654 {
3655   struct TitleMessageInfo *tmi = &readme;
3656   char *filename = getLevelSetInfoFilename();
3657   char *title = "Level Set Information:";
3658   int ystart = mSY - SY + 100;
3659   int ybottom = mSY - SY + SYSIZE - 20;
3660
3661   if (filename == NULL)
3662   {
3663     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3664
3665     return;
3666   }
3667
3668   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3669
3670   FadeOut(REDRAW_FIELD);
3671
3672   ClearField();
3673   DrawHeadline();
3674
3675   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3676
3677   /* if x position set to "-1", automatically determine by playfield width */
3678   if (tmi->x == -1)
3679     tmi->x = SXSIZE / 2;
3680
3681   /* if y position set to "-1", use static default value */
3682   if (tmi->y == -1)
3683     tmi->y = 150;
3684
3685   /* if width set to "-1", automatically determine by playfield width */
3686   if (tmi->width == -1)
3687     tmi->width = SXSIZE - 2 * TILEX;
3688
3689   /* if height set to "-1", automatically determine by playfield height */
3690   if (tmi->height == -1)
3691     tmi->height = SYSIZE - 20 - tmi->y - 10;
3692
3693   /* if chars set to "-1", automatically determine by text and font width */
3694   if (tmi->chars == -1)
3695     tmi->chars = tmi->width / getFontWidth(tmi->font);
3696   else
3697     tmi->width = tmi->chars * getFontWidth(tmi->font);
3698
3699   /* if lines set to "-1", automatically determine by text and font height */
3700   if (tmi->lines == -1)
3701     tmi->lines = tmi->height / getFontHeight(tmi->font);
3702   else
3703     tmi->height = tmi->lines * getFontHeight(tmi->font);
3704
3705   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3706                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3707                tmi->autowrap, tmi->centered, tmi->parse_comments);
3708
3709   DrawTextSCentered(ybottom, FONT_TEXT_4,
3710                     "Press any key or button for info menu");
3711
3712   FadeIn(REDRAW_FIELD);
3713 }
3714
3715 void HandleInfoScreen_LevelSet(int button)
3716 {
3717   if (button == MB_MENU_LEAVE)
3718   {
3719     PlaySound(SND_MENU_ITEM_SELECTING);
3720
3721     info_mode = INFO_MODE_MAIN;
3722     DrawInfoScreen();
3723
3724     return;
3725   }
3726   else if (button == MB_MENU_CHOICE)
3727   {
3728     PlaySound(SND_MENU_ITEM_SELECTING);
3729
3730     FadeMenuSoundsAndMusic();
3731
3732     info_mode = INFO_MODE_MAIN;
3733     DrawInfoScreen();
3734   }
3735   else
3736   {
3737     PlayMenuSoundIfLoop();
3738   }
3739 }
3740
3741 static void DrawInfoScreen()
3742 {
3743   if (info_mode == INFO_MODE_TITLE)
3744     DrawInfoScreen_TitleScreen();
3745   else if (info_mode == INFO_MODE_ELEMENTS)
3746     DrawInfoScreen_Elements();
3747   else if (info_mode == INFO_MODE_MUSIC)
3748     DrawInfoScreen_Music();
3749   else if (info_mode == INFO_MODE_CREDITS)
3750     DrawInfoScreen_Credits();
3751   else if (info_mode == INFO_MODE_PROGRAM)
3752     DrawInfoScreen_Program();
3753   else if (info_mode == INFO_MODE_VERSION)
3754     DrawInfoScreen_Version();
3755   else if (info_mode == INFO_MODE_LEVELSET)
3756     DrawInfoScreen_LevelSet();
3757   else
3758     DrawInfoScreen_Main();
3759
3760   if (info_mode != INFO_MODE_MAIN &&
3761       info_mode != INFO_MODE_TITLE &&
3762       info_mode != INFO_MODE_MUSIC)
3763     PlayMenuSoundsAndMusic();
3764 }
3765
3766 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3767 {
3768   if (info_mode == INFO_MODE_TITLE)
3769     HandleInfoScreen_TitleScreen(button);
3770   else if (info_mode == INFO_MODE_ELEMENTS)
3771     HandleInfoScreen_Elements(button);
3772   else if (info_mode == INFO_MODE_MUSIC)
3773     HandleInfoScreen_Music(button);
3774   else if (info_mode == INFO_MODE_CREDITS)
3775     HandleInfoScreen_Credits(button);
3776   else if (info_mode == INFO_MODE_PROGRAM)
3777     HandleInfoScreen_Program(button);
3778   else if (info_mode == INFO_MODE_VERSION)
3779     HandleInfoScreen_Version(button);
3780   else if (info_mode == INFO_MODE_LEVELSET)
3781     HandleInfoScreen_LevelSet(button);
3782   else
3783     HandleInfoScreen_Main(mx, my, dx, dy, button);
3784 }
3785
3786
3787 /* ========================================================================= */
3788 /* type name functions                                                       */
3789 /* ========================================================================= */
3790
3791 void HandleTypeName(int newxpos, Key key)
3792 {
3793   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3794   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3795   struct TextPosInfo *pos = mci->pos_input;
3796   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3797   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3798   static int xpos = 0;
3799   int font_nr = pos->font;
3800   int font_active_nr = FONT_ACTIVE(font_nr);
3801   int font_width = getFontWidth(font_active_nr);
3802   char key_char = getValidConfigValueChar(getCharFromKey(key));
3803   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3804   boolean is_active = TRUE;
3805
3806   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3807
3808   if (newxpos)
3809   {
3810     strcpy(last_player_name, setup.player_name);
3811
3812     xpos = newxpos;
3813
3814     StartTextInput(startx, starty, pos->width, pos->height);
3815   }
3816   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3817   {
3818     setup.player_name[xpos] = key_char;
3819     setup.player_name[xpos + 1] = 0;
3820
3821     xpos++;
3822   }
3823   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3824   {
3825     xpos--;
3826
3827     setup.player_name[xpos] = 0;
3828   }
3829   else if (key == KSYM_Return && xpos > 0)
3830   {
3831     SaveSetup();
3832
3833     is_active = FALSE;
3834
3835     SetGameStatus(GAME_MODE_MAIN);
3836   }
3837   else if (key == KSYM_Escape)
3838   {
3839     strcpy(setup.player_name, last_player_name);
3840
3841     is_active = FALSE;
3842
3843     SetGameStatus(GAME_MODE_MAIN);
3844   }
3845
3846   if (is_active)
3847   {
3848     pos->width = (strlen(setup.player_name) + 1) * font_width;
3849     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3850
3851     DrawText(startx, starty, setup.player_name, font_active_nr);
3852     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
3853   }
3854   else
3855   {
3856     pos->width = strlen(setup.player_name) * font_width;
3857     startx = mSX + ALIGNED_TEXT_XPOS(pos);
3858
3859     DrawText(startx, starty, setup.player_name, font_nr);
3860
3861     StopTextInput();
3862   }
3863 }
3864
3865
3866 /* ========================================================================= */
3867 /* tree menu functions                                                       */
3868 /* ========================================================================= */
3869
3870 static void DrawChooseTree(TreeInfo **ti_ptr)
3871 {
3872   int fade_mask = REDRAW_FIELD;
3873
3874   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
3875     fade_mask = REDRAW_ALL;
3876
3877   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
3878   {
3879     SetGameStatus(GAME_MODE_MAIN);
3880
3881     DrawMainMenu();
3882
3883     return;
3884   }
3885
3886   UnmapAllGadgets();
3887
3888   FreeScreenGadgets();
3889   CreateScreenGadgets();
3890
3891   FadeOut(fade_mask);
3892
3893   /* needed if different viewport properties defined for choosing level (set) */
3894   ChangeViewportPropertiesIfNeeded();
3895
3896   if (game_status == GAME_MODE_LEVELNR)
3897     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
3898   else if (game_status == GAME_MODE_LEVELS)
3899     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
3900
3901   ClearField();
3902
3903   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
3904
3905   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
3906   MapScreenTreeGadgets(*ti_ptr);
3907
3908   DrawMaskedBorder(fade_mask);
3909
3910   FadeIn(fade_mask);
3911 }
3912
3913 static void drawChooseTreeList(int first_entry, int num_page_entries,
3914                                TreeInfo *ti)
3915 {
3916   int i;
3917   char *title_string = NULL;
3918   int yoffset_sets = MENU_TITLE1_YPOS;
3919   int yoffset_setup = 16;
3920   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
3921                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
3922
3923   title_string = ti->infotext;
3924
3925   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
3926
3927   clearMenuListArea();
3928
3929   for (i = 0; i < num_page_entries; i++)
3930   {
3931     TreeInfo *node, *node_first;
3932     int entry_pos = first_entry + i;
3933     int xpos = MENU_SCREEN_START_XPOS;
3934     int ypos = MENU_SCREEN_START_YPOS + i;
3935     int startx = mSX + xpos * 32;
3936     int starty = mSY + ypos * 32;
3937     int font_nr = FONT_TEXT_1;
3938     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
3939     int startx_text = startx + font_xoffset;
3940     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
3941     int text_size = startx_scrollbar - startx_text;
3942     int max_buffer_len = text_size / getFontWidth(font_nr);
3943     char buffer[max_buffer_len + 1];
3944
3945     node_first = getTreeInfoFirstGroupEntry(ti);
3946     node = getTreeInfoFromPos(node_first, entry_pos);
3947
3948     strncpy(buffer, node->name, max_buffer_len);
3949     buffer[max_buffer_len] = '\0';
3950
3951     DrawText(startx, starty, buffer, font_nr + node->color);
3952
3953     if (node->parent_link)
3954       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
3955     else if (node->level_group)
3956       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
3957     else
3958       initCursor(i, IMG_MENU_BUTTON);
3959   }
3960
3961   redraw_mask |= REDRAW_FIELD;
3962 }
3963
3964 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
3965 {
3966   TreeInfo *node, *node_first;
3967   int x, last_redraw_mask = redraw_mask;
3968   int ypos = MENU_TITLE2_YPOS;
3969   int font_nr = FONT_TITLE_2;
3970
3971   if (ti->type == TREE_TYPE_LEVEL_NR)
3972     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
3973
3974   if (ti->type != TREE_TYPE_LEVEL_DIR)
3975     return;
3976
3977   node_first = getTreeInfoFirstGroupEntry(ti);
3978   node = getTreeInfoFromPos(node_first, entry_pos);
3979
3980   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
3981
3982   if (node->parent_link)
3983     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
3984                       node->node_parent->name);
3985   else if (node->level_group)
3986     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
3987                       node->name);
3988   else if (ti->type == TREE_TYPE_LEVEL_DIR)
3989     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
3990                       node->levels, (node->levels > 1 ? "levels" : "level"),
3991                       node->class_desc);
3992
3993   /* let BackToFront() redraw only what is needed */
3994   redraw_mask = last_redraw_mask;
3995   for (x = 0; x < SCR_FIELDX; x++)
3996     MarkTileDirty(x, 1);
3997 }
3998
3999 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4000                              TreeInfo **ti_ptr)
4001 {
4002   TreeInfo *ti = *ti_ptr;
4003   int x = 0;
4004   int y = ti->cl_cursor;
4005   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4006   int num_entries = numTreeInfoInGroup(ti);
4007   int num_page_entries;
4008   boolean position_set_by_scrollbar = (dx == 999);
4009
4010   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
4011     num_page_entries = num_entries;
4012   else
4013     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
4014
4015   if (button == MB_MENU_INITIALIZE)
4016   {
4017     int num_entries = numTreeInfoInGroup(ti);
4018     int entry_pos = posTreeInfo(ti);
4019
4020     if (ti->cl_first == -1)
4021     {
4022       /* only on initialization */
4023       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4024       ti->cl_cursor = entry_pos - ti->cl_first;
4025     }
4026     else if (ti->cl_cursor >= num_page_entries ||
4027              (num_entries > num_page_entries &&
4028               num_entries - ti->cl_first < num_page_entries))
4029     {
4030       /* only after change of list size (by custom graphic configuration) */
4031       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4032       ti->cl_cursor = entry_pos - ti->cl_first;
4033     }
4034
4035     if (position_set_by_scrollbar)
4036       ti->cl_first = dy;
4037     else
4038       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4039                                 ti->cl_first, ti);
4040
4041     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4042     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4043     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4044
4045     return;
4046   }
4047   else if (button == MB_MENU_LEAVE)
4048   {
4049     FadeSetLeaveMenu();
4050
4051     PlaySound(SND_MENU_ITEM_SELECTING);
4052
4053     if (ti->node_parent)
4054     {
4055       *ti_ptr = ti->node_parent;
4056       DrawChooseTree(ti_ptr);
4057     }
4058     else if (game_status == GAME_MODE_SETUP)
4059     {
4060       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4061           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4062           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4063         execSetupGame();
4064       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4065                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4066                setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4067         execSetupGraphics();
4068       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4069                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4070                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4071         execSetupSound();
4072       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4073                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4074                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4075         execSetupTouch();
4076       else
4077         execSetupArtwork();
4078     }
4079     else
4080     {
4081       if (game_status == GAME_MODE_LEVELNR)
4082       {
4083         int new_level_nr = atoi(level_number_current->identifier);
4084
4085         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4086       }
4087
4088       SetGameStatus(GAME_MODE_MAIN);
4089
4090       DrawMainMenu();
4091     }
4092
4093     return;
4094   }
4095
4096   if (mx || my)         /* mouse input */
4097   {
4098     x = (mx - mSX) / 32;
4099     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
4100   }
4101   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
4102   {
4103     /* move cursor instead of scrolling when already at start/end of list */
4104     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4105       dy = -1;
4106     else if (dy == +1 * SCROLL_LINE &&
4107              ti->cl_first + num_page_entries == num_entries)
4108       dy = 1;
4109
4110     /* handle scrolling screen one line or page */
4111     if (ti->cl_cursor + dy < 0 ||
4112         ti->cl_cursor + dy > num_page_entries - 1)
4113     {
4114       boolean redraw = FALSE;
4115
4116       if (ABS(dy) == SCROLL_PAGE)
4117         step = num_page_entries - 1;
4118
4119       if (dy < 0 && ti->cl_first > 0)
4120       {
4121         /* scroll page/line up */
4122
4123         ti->cl_first -= step;
4124         if (ti->cl_first < 0)
4125           ti->cl_first = 0;
4126
4127         redraw = TRUE;
4128       }
4129       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4130       {
4131         /* scroll page/line down */
4132
4133         ti->cl_first += step;
4134         if (ti->cl_first + num_page_entries > num_entries)
4135           ti->cl_first = MAX(0, num_entries - num_page_entries);
4136
4137         redraw = TRUE;
4138       }
4139
4140       if (redraw)
4141       {
4142         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4143         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4144         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4145
4146         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4147                                   ti->cl_first, ti);
4148       }
4149
4150       return;
4151     }
4152
4153     /* handle moving cursor one line */
4154     y = ti->cl_cursor + dy;
4155   }
4156
4157   if (dx == 1)
4158   {
4159     TreeInfo *node_first, *node_cursor;
4160     int entry_pos = ti->cl_first + y;
4161
4162     node_first = getTreeInfoFirstGroupEntry(ti);
4163     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4164
4165     if (node_cursor->node_group)
4166     {
4167       FadeSetEnterMenu();
4168
4169       PlaySound(SND_MENU_ITEM_SELECTING);
4170
4171       node_cursor->cl_first = ti->cl_first;
4172       node_cursor->cl_cursor = ti->cl_cursor;
4173       *ti_ptr = node_cursor->node_group;
4174       DrawChooseTree(ti_ptr);
4175
4176       return;
4177     }
4178   }
4179   else if (dx == -1 && ti->node_parent)
4180   {
4181     FadeSetLeaveMenu();
4182
4183     PlaySound(SND_MENU_ITEM_SELECTING);
4184
4185     *ti_ptr = ti->node_parent;
4186     DrawChooseTree(ti_ptr);
4187
4188     return;
4189   }
4190
4191   if (!anyScrollbarGadgetActive() &&
4192       IN_VIS_MENU(x, y) &&
4193       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
4194       y >= 0 && y < num_page_entries)
4195   {
4196     if (button)
4197     {
4198       if (y != ti->cl_cursor)
4199       {
4200         PlaySound(SND_MENU_ITEM_ACTIVATING);
4201
4202         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4203         drawChooseTreeCursor(y, TRUE);
4204         drawChooseTreeInfo(ti->cl_first + y, ti);
4205
4206         ti->cl_cursor = y;
4207       }
4208       else if (dx < 0)
4209       {
4210         if (game_status == GAME_MODE_SETUP)
4211         {
4212           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4213               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4214               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4215             execSetupGame();
4216           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4217                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4218                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4219             execSetupGraphics();
4220           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4221                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4222                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4223             execSetupSound();
4224           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4225                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4226                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4227             execSetupTouch();
4228           else
4229             execSetupArtwork();
4230         }
4231       }
4232     }
4233     else
4234     {
4235       TreeInfo *node_first, *node_cursor;
4236       int entry_pos = ti->cl_first + y;
4237
4238       PlaySound(SND_MENU_ITEM_SELECTING);
4239
4240       node_first = getTreeInfoFirstGroupEntry(ti);
4241       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4242
4243       if (node_cursor->node_group)
4244       {
4245         FadeSetEnterMenu();
4246
4247         node_cursor->cl_first = ti->cl_first;
4248         node_cursor->cl_cursor = ti->cl_cursor;
4249         *ti_ptr = node_cursor->node_group;
4250         DrawChooseTree(ti_ptr);
4251       }
4252       else if (node_cursor->parent_link)
4253       {
4254         FadeSetLeaveMenu();
4255
4256         *ti_ptr = node_cursor->node_parent;
4257         DrawChooseTree(ti_ptr);
4258       }
4259       else
4260       {
4261         FadeSetEnterMenu();
4262
4263         node_cursor->cl_first = ti->cl_first;
4264         node_cursor->cl_cursor = ti->cl_cursor;
4265         *ti_ptr = node_cursor;
4266
4267         if (ti->type == TREE_TYPE_LEVEL_DIR)
4268         {
4269           LoadLevelSetup_SeriesInfo();
4270
4271           SaveLevelSetup_LastSeries();
4272           SaveLevelSetup_SeriesInfo();
4273           TapeErase();
4274         }
4275
4276         if (game_status == GAME_MODE_SETUP)
4277         {
4278           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4279               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4280               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4281             execSetupGame();
4282           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4283                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4284                    setup_mode == SETUP_MODE_CHOOSE_RENDERING)
4285             execSetupGraphics();
4286           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4287                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4288                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4289             execSetupSound();
4290           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4291                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4292                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
4293             execSetupTouch();
4294           else
4295             execSetupArtwork();
4296         }
4297         else
4298         {
4299           if (game_status == GAME_MODE_LEVELNR)
4300           {
4301             int new_level_nr = atoi(level_number_current->identifier);
4302
4303             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4304           }
4305
4306           SetGameStatus(GAME_MODE_MAIN);
4307
4308           DrawMainMenu();
4309         }
4310       }
4311     }
4312   }
4313 }
4314
4315 void DrawChooseLevelSet()
4316 {
4317   FadeMenuSoundsAndMusic();
4318
4319   DrawChooseTree(&leveldir_current);
4320
4321   PlayMenuSoundsAndMusic();
4322 }
4323
4324 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4325 {
4326   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4327 }
4328
4329 void DrawChooseLevelNr()
4330 {
4331   int i;
4332
4333   FadeMenuSoundsAndMusic();
4334
4335   if (level_number != NULL)
4336   {
4337     freeTreeInfo(level_number);
4338
4339     level_number = NULL;
4340   }
4341
4342   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4343   {
4344     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4345     char identifier[32], name[32];
4346     int value = i;
4347
4348     /* temporarily load level info to get level name */
4349     LoadLevelInfoOnly(i);
4350
4351     ti->node_top = &level_number;
4352     ti->sort_priority = 10000 + value;
4353     ti->color = (level.no_level_file ? FC_BLUE :
4354                  LevelStats_getSolved(i) ? FC_GREEN :
4355                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4356
4357     snprintf(identifier, sizeof(identifier), "%d", value);
4358     snprintf(name, sizeof(name), "%03d: %s", value,
4359              (level.no_level_file ? "(no file)" : level.name));
4360
4361     setString(&ti->identifier, identifier);
4362     setString(&ti->name, name);
4363     setString(&ti->name_sorting, name);
4364
4365     pushTreeInfo(&level_number, ti);
4366   }
4367
4368   /* sort level number values to start with lowest level number */
4369   sortTreeInfo(&level_number);
4370
4371   /* set current level number to current level number */
4372   level_number_current =
4373     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4374
4375   /* if that also fails, set current level number to first available level */
4376   if (level_number_current == NULL)
4377     level_number_current = level_number;
4378
4379   DrawChooseTree(&level_number_current);
4380
4381   PlayMenuSoundsAndMusic();
4382 }
4383
4384 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4385 {
4386   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4387 }
4388
4389 void DrawHallOfFame(int highlight_position)
4390 {
4391   int fade_mask = REDRAW_FIELD;
4392
4393   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
4394     fade_mask = REDRAW_ALL;
4395
4396   UnmapAllGadgets();
4397   FadeMenuSoundsAndMusic();
4398
4399   /* (this is needed when called from GameEnd() after winning a game) */
4400   KeyboardAutoRepeatOn();
4401
4402   /* (this is needed when called from GameEnd() after winning a game) */
4403   SetDrawDeactivationMask(REDRAW_NONE);
4404   SetDrawBackgroundMask(REDRAW_FIELD);
4405
4406   if (highlight_position < 0)
4407     LoadScore(level_nr);
4408   else
4409     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4410
4411   FadeSetEnterScreen();
4412
4413   FadeOut(fade_mask);
4414
4415   /* needed if different viewport properties defined for scores */
4416   ChangeViewportPropertiesIfNeeded();
4417
4418   PlayMenuSoundsAndMusic();
4419
4420   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4421
4422   HandleHallOfFame(highlight_position, 0, 0, 0, MB_MENU_INITIALIZE);
4423
4424   DrawMaskedBorder(fade_mask);
4425
4426   FadeIn(fade_mask);
4427 }
4428
4429 static void drawHallOfFameList(int first_entry, int highlight_position)
4430 {
4431   int i, j;
4432
4433   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4434   ClearField();
4435
4436   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4437   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4438                     "HighScores of Level %d", level_nr);
4439
4440   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4441   {
4442     int entry = first_entry + i;
4443     boolean active = (entry == highlight_position);
4444     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4445     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4446     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4447     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4448     int dxoff = getFontDrawOffsetX(font_nr1);
4449     int dx1 = 3 * getFontWidth(font_nr1);
4450     int dx2 = dx1 + getFontWidth(font_nr1);
4451     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4452     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4453     int sy = mSY + 64 + i * 32;
4454
4455     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4456     DrawText(mSX + dx1, sy, ".", font_nr1);
4457
4458     for (j = 0; j < num_dots; j++)
4459       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4460
4461     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4462       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4463
4464     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4465   }
4466
4467   redraw_mask |= REDRAW_FIELD;
4468 }
4469
4470 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4471 {
4472   static int first_entry = 0;
4473   static int highlight_position = 0;
4474   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4475
4476   if (button == MB_MENU_INITIALIZE)
4477   {
4478     first_entry = 0;
4479     highlight_position = mx;
4480     drawHallOfFameList(first_entry, highlight_position);
4481
4482     return;
4483   }
4484
4485   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4486     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4487
4488   if (dy < 0)
4489   {
4490     if (first_entry > 0)
4491     {
4492       first_entry -= step;
4493       if (first_entry < 0)
4494         first_entry = 0;
4495
4496       drawHallOfFameList(first_entry, highlight_position);
4497     }
4498   }
4499   else if (dy > 0)
4500   {
4501     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4502     {
4503       first_entry += step;
4504       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4505         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4506
4507       drawHallOfFameList(first_entry, highlight_position);
4508     }
4509   }
4510   else if (button == MB_MENU_LEAVE)
4511   {
4512     PlaySound(SND_MENU_ITEM_SELECTING);
4513
4514     FadeSound(SND_BACKGROUND_SCORES);
4515
4516     SetGameStatus(GAME_MODE_MAIN);
4517
4518     DrawMainMenu();
4519   }
4520   else if (button == MB_MENU_CHOICE)
4521   {
4522     PlaySound(SND_MENU_ITEM_SELECTING);
4523
4524     FadeSound(SND_BACKGROUND_SCORES);
4525
4526     SetGameStatus(GAME_MODE_MAIN);
4527
4528     DrawMainMenu();
4529   }
4530
4531   if (game_status == GAME_MODE_SCORES)
4532     PlayMenuSoundIfLoop();
4533 }
4534
4535
4536 /* ========================================================================= */
4537 /* setup screen functions                                                    */
4538 /* ========================================================================= */
4539
4540 static struct TokenInfo *setup_info;
4541 static int num_setup_info;      /* number of setup entries shown on screen */
4542 static int max_setup_info;      /* total number of setup entries in list */
4543
4544 static char *window_size_text;
4545 static char *scaling_type_text;
4546 static char *rendering_mode_text;
4547 static char *scroll_delay_text;
4548 static char *snapshot_mode_text;
4549 static char *game_speed_text;
4550 static char *graphics_set_name;
4551 static char *sounds_set_name;
4552 static char *music_set_name;
4553 static char *volume_simple_text;
4554 static char *volume_loops_text;
4555 static char *volume_music_text;
4556 static char *touch_controls_text;
4557 static char *move_distance_text;
4558 static char *drop_distance_text;
4559
4560 static void execSetupMain()
4561 {
4562   setup_mode = SETUP_MODE_MAIN;
4563
4564   DrawSetupScreen();
4565 }
4566
4567 static void execSetupGame_setGameSpeeds()
4568 {
4569   if (game_speeds == NULL)
4570   {
4571     int i;
4572
4573     for (i = 0; game_speeds_list[i].value != -1; i++)
4574     {
4575       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4576       char identifier[32], name[32];
4577       int value = game_speeds_list[i].value;
4578       char *text = game_speeds_list[i].text;
4579
4580       ti->node_top = &game_speeds;
4581       ti->sort_priority = 10000 - value;
4582
4583       sprintf(identifier, "%d", value);
4584       sprintf(name, "%s", text);
4585
4586       setString(&ti->identifier, identifier);
4587       setString(&ti->name, name);
4588       setString(&ti->name_sorting, name);
4589       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4590
4591       pushTreeInfo(&game_speeds, ti);
4592     }
4593
4594     /* sort game speed values to start with slowest game speed */
4595     sortTreeInfo(&game_speeds);
4596
4597     /* set current game speed to configured game speed value */
4598     game_speed_current =
4599       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4600
4601     /* if that fails, set current game speed to reliable default value */
4602     if (game_speed_current == NULL)
4603       game_speed_current =
4604         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4605
4606     /* if that also fails, set current game speed to first available speed */
4607     if (game_speed_current == NULL)
4608       game_speed_current = game_speeds;
4609   }
4610
4611   setup.game_frame_delay = atoi(game_speed_current->identifier);
4612
4613   /* needed for displaying game speed text instead of identifier */
4614   game_speed_text = game_speed_current->name;
4615 }
4616
4617 static void execSetupGame_setScrollDelays()
4618 {
4619   if (scroll_delays == NULL)
4620   {
4621     int i;
4622
4623     for (i = 0; scroll_delays_list[i].value != -1; i++)
4624     {
4625       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4626       char identifier[32], name[32];
4627       int value = scroll_delays_list[i].value;
4628       char *text = scroll_delays_list[i].text;
4629
4630       ti->node_top = &scroll_delays;
4631       ti->sort_priority = value;
4632
4633       sprintf(identifier, "%d", value);
4634       sprintf(name, "%s", text);
4635
4636       setString(&ti->identifier, identifier);
4637       setString(&ti->name, name);
4638       setString(&ti->name_sorting, name);
4639       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4640
4641       pushTreeInfo(&scroll_delays, ti);
4642     }
4643
4644     /* sort scroll delay values to start with lowest scroll delay value */
4645     sortTreeInfo(&scroll_delays);
4646
4647     /* set current scroll delay value to configured scroll delay value */
4648     scroll_delay_current =
4649       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4650
4651     /* if that fails, set current scroll delay to reliable default value */
4652     if (scroll_delay_current == NULL)
4653       scroll_delay_current =
4654         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4655
4656     /* if that also fails, set current scroll delay to first available value */
4657     if (scroll_delay_current == NULL)
4658       scroll_delay_current = scroll_delays;
4659   }
4660
4661   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4662
4663   /* needed for displaying scroll delay text instead of identifier */
4664   scroll_delay_text = scroll_delay_current->name;
4665 }
4666
4667 static void execSetupGame_setSnapshotModes()
4668 {
4669   if (snapshot_modes == NULL)
4670   {
4671     int i;
4672
4673     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4674     {
4675       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4676       char identifier[32], name[32];
4677       char *value = snapshot_modes_list[i].value;
4678       char *text = snapshot_modes_list[i].text;
4679
4680       ti->node_top = &snapshot_modes;
4681       ti->sort_priority = i;
4682
4683       sprintf(identifier, "%s", value);
4684       sprintf(name, "%s", text);
4685
4686       setString(&ti->identifier, identifier);
4687       setString(&ti->name, name);
4688       setString(&ti->name_sorting, name);
4689       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4690
4691       pushTreeInfo(&snapshot_modes, ti);
4692     }
4693
4694     /* sort snapshot mode values to start with lowest snapshot mode value */
4695     sortTreeInfo(&snapshot_modes);
4696
4697     /* set current snapshot mode value to configured snapshot mode value */
4698     snapshot_mode_current =
4699       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4700
4701     /* if that fails, set current snapshot mode to reliable default value */
4702     if (snapshot_mode_current == NULL)
4703       snapshot_mode_current =
4704         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4705
4706     /* if that also fails, set current snapshot mode to first available value */
4707     if (snapshot_mode_current == NULL)
4708       snapshot_mode_current = snapshot_modes;
4709   }
4710
4711   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4712
4713   /* needed for displaying snapshot mode text instead of identifier */
4714   snapshot_mode_text = snapshot_mode_current->name;
4715 }
4716
4717 static void execSetupGame()
4718 {
4719   execSetupGame_setGameSpeeds();
4720   execSetupGame_setScrollDelays();
4721   execSetupGame_setSnapshotModes();
4722
4723   setup_mode = SETUP_MODE_GAME;
4724
4725   DrawSetupScreen();
4726 }
4727
4728 static void execSetupChooseGameSpeed()
4729 {
4730   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4731
4732   DrawSetupScreen();
4733 }
4734
4735 static void execSetupChooseScrollDelay()
4736 {
4737   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4738
4739   DrawSetupScreen();
4740 }
4741
4742 static void execSetupChooseSnapshotMode()
4743 {
4744   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4745
4746   DrawSetupScreen();
4747 }
4748
4749 static void execSetupEditor()
4750 {
4751   setup_mode = SETUP_MODE_EDITOR;
4752
4753   DrawSetupScreen();
4754 }
4755
4756 static void execSetupGraphics_setWindowSizes(boolean update_list)
4757 {
4758   if (window_sizes != NULL && update_list)
4759   {
4760     freeTreeInfo(window_sizes);
4761
4762     window_sizes = NULL;
4763   }
4764
4765   if (window_sizes == NULL)
4766   {
4767     boolean current_window_size_found = FALSE;
4768     int i;
4769
4770     for (i = 0; window_sizes_list[i].value != -1; i++)
4771     {
4772       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4773       char identifier[32], name[32];
4774       int value = window_sizes_list[i].value;
4775       char *text = window_sizes_list[i].text;
4776
4777       ti->node_top = &window_sizes;
4778       ti->sort_priority = value;
4779
4780       sprintf(identifier, "%d", value);
4781       sprintf(name, "%s", text);
4782
4783       setString(&ti->identifier, identifier);
4784       setString(&ti->name, name);
4785       setString(&ti->name_sorting, name);
4786       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4787
4788       pushTreeInfo(&window_sizes, ti);
4789
4790       if (value == setup.window_scaling_percent)
4791         current_window_size_found = TRUE;
4792     }
4793
4794     if (!current_window_size_found)
4795     {
4796       // add entry for non-preset window scaling value
4797
4798       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4799       char identifier[32], name[32];
4800       int value = setup.window_scaling_percent;
4801
4802       ti->node_top = &window_sizes;
4803       ti->sort_priority = value;
4804
4805       sprintf(identifier, "%d", value);
4806       sprintf(name, "%d %% (Current)", value);
4807
4808       setString(&ti->identifier, identifier);
4809       setString(&ti->name, name);
4810       setString(&ti->name_sorting, name);
4811       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4812
4813       pushTreeInfo(&window_sizes, ti);
4814     }
4815
4816     /* sort window size values to start with lowest window size value */
4817     sortTreeInfo(&window_sizes);
4818
4819     /* set current window size value to configured window size value */
4820     window_size_current =
4821       getTreeInfoFromIdentifier(window_sizes,
4822                                 i_to_a(setup.window_scaling_percent));
4823
4824     /* if that fails, set current window size to reliable default value */
4825     if (window_size_current == NULL)
4826       window_size_current =
4827         getTreeInfoFromIdentifier(window_sizes,
4828                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
4829
4830     /* if that also fails, set current window size to first available value */
4831     if (window_size_current == NULL)
4832       window_size_current = window_sizes;
4833   }
4834
4835   setup.window_scaling_percent = atoi(window_size_current->identifier);
4836
4837   /* needed for displaying window size text instead of identifier */
4838   window_size_text = window_size_current->name;
4839 }
4840
4841 static void execSetupGraphics_setScalingTypes()
4842 {
4843   if (scaling_types == NULL)
4844   {
4845     int i;
4846
4847     for (i = 0; scaling_types_list[i].value != NULL; i++)
4848     {
4849       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4850       char identifier[32], name[32];
4851       char *value = scaling_types_list[i].value;
4852       char *text = scaling_types_list[i].text;
4853
4854       ti->node_top = &scaling_types;
4855       ti->sort_priority = i;
4856
4857       sprintf(identifier, "%s", value);
4858       sprintf(name, "%s", text);
4859
4860       setString(&ti->identifier, identifier);
4861       setString(&ti->name, name);
4862       setString(&ti->name_sorting, name);
4863       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
4864
4865       pushTreeInfo(&scaling_types, ti);
4866     }
4867
4868     /* sort scaling type values to start with lowest scaling type value */
4869     sortTreeInfo(&scaling_types);
4870
4871     /* set current scaling type value to configured scaling type value */
4872     scaling_type_current =
4873       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
4874
4875     /* if that fails, set current scaling type to reliable default value */
4876     if (scaling_type_current == NULL)
4877       scaling_type_current =
4878         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
4879
4880     /* if that also fails, set current scaling type to first available value */
4881     if (scaling_type_current == NULL)
4882       scaling_type_current = scaling_types;
4883   }
4884
4885   setup.window_scaling_quality = scaling_type_current->identifier;
4886
4887   /* needed for displaying scaling type text instead of identifier */
4888   scaling_type_text = scaling_type_current->name;
4889 }
4890
4891 static void execSetupGraphics_setRenderingModes()
4892 {
4893   if (rendering_modes == NULL)
4894   {
4895     int i;
4896
4897     for (i = 0; rendering_modes_list[i].value != NULL; i++)
4898     {
4899       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4900       char identifier[32], name[32];
4901       char *value = rendering_modes_list[i].value;
4902       char *text = rendering_modes_list[i].text;
4903
4904       ti->node_top = &rendering_modes;
4905       ti->sort_priority = i;
4906
4907       sprintf(identifier, "%s", value);
4908       sprintf(name, "%s", text);
4909
4910       setString(&ti->identifier, identifier);
4911       setString(&ti->name, name);
4912       setString(&ti->name_sorting, name);
4913       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
4914
4915       pushTreeInfo(&rendering_modes, ti);
4916     }
4917
4918     /* sort rendering mode values to start with lowest rendering mode value */
4919     sortTreeInfo(&rendering_modes);
4920
4921     /* set current rendering mode value to configured rendering mode value */
4922     rendering_mode_current =
4923       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
4924
4925     /* if that fails, set current rendering mode to reliable default value */
4926     if (rendering_mode_current == NULL)
4927       rendering_mode_current =
4928         getTreeInfoFromIdentifier(rendering_modes,
4929                                   STR_SPECIAL_RENDERING_DEFAULT);
4930
4931     /* if that also fails, set current rendering mode to first available one */
4932     if (rendering_mode_current == NULL)
4933       rendering_mode_current = rendering_modes;
4934   }
4935
4936   setup.screen_rendering_mode = rendering_mode_current->identifier;
4937
4938   /* needed for displaying rendering mode text instead of identifier */
4939   rendering_mode_text = rendering_mode_current->name;
4940 }
4941
4942 static void execSetupGraphics()
4943 {
4944   // update "setup.window_scaling_percent" from list selection
4945   // (in this case, window scaling was changed on setup screen)
4946   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
4947     execSetupGraphics_setWindowSizes(FALSE);
4948
4949   // update list selection from "setup.window_scaling_percent"
4950   // (window scaling may have changed by resizing the window)
4951   execSetupGraphics_setWindowSizes(TRUE);
4952
4953   execSetupGraphics_setScalingTypes();
4954   execSetupGraphics_setRenderingModes();
4955
4956   setup_mode = SETUP_MODE_GRAPHICS;
4957
4958   DrawSetupScreen();
4959
4960 #if defined(TARGET_SDL2)
4961   // window scaling may have changed at this point
4962   ToggleFullscreenOrChangeWindowScalingIfNeeded();
4963
4964   // window scaling quality may have changed at this point
4965   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
4966     SDLSetWindowScalingQuality(setup.window_scaling_quality);
4967
4968   // screen rendering mode may have changed at this point
4969   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
4970 #endif
4971 }
4972
4973 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
4974 static void execSetupChooseWindowSize()
4975 {
4976   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
4977
4978   DrawSetupScreen();
4979 }
4980
4981 static void execSetupChooseScalingType()
4982 {
4983   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
4984
4985   DrawSetupScreen();
4986 }
4987
4988 static void execSetupChooseRenderingMode()
4989 {
4990   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
4991
4992   DrawSetupScreen();
4993 }
4994 #endif
4995
4996 static void execSetupChooseVolumeSimple()
4997 {
4998   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
4999
5000   DrawSetupScreen();
5001 }
5002
5003 static void execSetupChooseVolumeLoops()
5004 {
5005   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5006
5007   DrawSetupScreen();
5008 }
5009
5010 static void execSetupChooseVolumeMusic()
5011 {
5012   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5013
5014   DrawSetupScreen();
5015 }
5016
5017 static void execSetupSound()
5018 {
5019   if (volumes_simple == NULL)
5020   {
5021     boolean current_volume_simple_found = FALSE;
5022     int i;
5023
5024     for (i = 0; volumes_list[i].value != -1; i++)
5025     {
5026       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5027       char identifier[32], name[32];
5028       int value = volumes_list[i].value;
5029       char *text = volumes_list[i].text;
5030
5031       ti->node_top = &volumes_simple;
5032       ti->sort_priority = value;
5033
5034       sprintf(identifier, "%d", value);
5035       sprintf(name, "%s", text);
5036
5037       setString(&ti->identifier, identifier);
5038       setString(&ti->name, name);
5039       setString(&ti->name_sorting, name);
5040       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5041
5042       pushTreeInfo(&volumes_simple, ti);
5043
5044       if (value == setup.volume_simple)
5045         current_volume_simple_found = TRUE;
5046     }
5047
5048     if (!current_volume_simple_found)
5049     {
5050       // add entry for non-preset volume value
5051
5052       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5053       char identifier[32], name[32];
5054       int value = setup.volume_simple;
5055
5056       ti->node_top = &volumes_simple;
5057       ti->sort_priority = value;
5058
5059       sprintf(identifier, "%d", value);
5060       sprintf(name, "%d %% (Current)", value);
5061
5062       setString(&ti->identifier, identifier);
5063       setString(&ti->name, name);
5064       setString(&ti->name_sorting, name);
5065       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5066
5067       pushTreeInfo(&volumes_simple, ti);
5068     }
5069
5070     /* sort volume values to start with lowest volume value */
5071     sortTreeInfo(&volumes_simple);
5072
5073     /* set current volume value to configured volume value */
5074     volume_simple_current =
5075       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5076
5077     /* if that fails, set current volume to reliable default value */
5078     if (volume_simple_current == NULL)
5079       volume_simple_current =
5080         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5081
5082     /* if that also fails, set current volume to first available value */
5083     if (volume_simple_current == NULL)
5084       volume_simple_current = volumes_simple;
5085   }
5086
5087   if (volumes_loops == NULL)
5088   {
5089     boolean current_volume_loops_found = FALSE;
5090     int i;
5091
5092     for (i = 0; volumes_list[i].value != -1; i++)
5093     {
5094       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5095       char identifier[32], name[32];
5096       int value = volumes_list[i].value;
5097       char *text = volumes_list[i].text;
5098
5099       ti->node_top = &volumes_loops;
5100       ti->sort_priority = value;
5101
5102       sprintf(identifier, "%d", value);
5103       sprintf(name, "%s", text);
5104
5105       setString(&ti->identifier, identifier);
5106       setString(&ti->name, name);
5107       setString(&ti->name_sorting, name);
5108       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5109
5110       pushTreeInfo(&volumes_loops, ti);
5111
5112       if (value == setup.volume_loops)
5113         current_volume_loops_found = TRUE;
5114     }
5115
5116     if (!current_volume_loops_found)
5117     {
5118       // add entry for non-preset volume value
5119
5120       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5121       char identifier[32], name[32];
5122       int value = setup.volume_loops;
5123
5124       ti->node_top = &volumes_loops;
5125       ti->sort_priority = value;
5126
5127       sprintf(identifier, "%d", value);
5128       sprintf(name, "%d %% (Current)", value);
5129
5130       setString(&ti->identifier, identifier);
5131       setString(&ti->name, name);
5132       setString(&ti->name_sorting, name);
5133       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5134
5135       pushTreeInfo(&volumes_loops, ti);
5136     }
5137
5138     /* sort volume values to start with lowest volume value */
5139     sortTreeInfo(&volumes_loops);
5140
5141     /* set current volume value to configured volume value */
5142     volume_loops_current =
5143       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5144
5145     /* if that fails, set current volume to reliable default value */
5146     if (volume_loops_current == NULL)
5147       volume_loops_current =
5148         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5149
5150     /* if that also fails, set current volume to first available value */
5151     if (volume_loops_current == NULL)
5152       volume_loops_current = volumes_loops;
5153   }
5154
5155   if (volumes_music == NULL)
5156   {
5157     boolean current_volume_music_found = FALSE;
5158     int i;
5159
5160     for (i = 0; volumes_list[i].value != -1; i++)
5161     {
5162       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5163       char identifier[32], name[32];
5164       int value = volumes_list[i].value;
5165       char *text = volumes_list[i].text;
5166
5167       ti->node_top = &volumes_music;
5168       ti->sort_priority = value;
5169
5170       sprintf(identifier, "%d", value);
5171       sprintf(name, "%s", text);
5172
5173       setString(&ti->identifier, identifier);
5174       setString(&ti->name, name);
5175       setString(&ti->name_sorting, name);
5176       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5177
5178       pushTreeInfo(&volumes_music, ti);
5179
5180       if (value == setup.volume_music)
5181         current_volume_music_found = TRUE;
5182     }
5183
5184     if (!current_volume_music_found)
5185     {
5186       // add entry for non-preset volume value
5187
5188       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5189       char identifier[32], name[32];
5190       int value = setup.volume_music;
5191
5192       ti->node_top = &volumes_music;
5193       ti->sort_priority = value;
5194
5195       sprintf(identifier, "%d", value);
5196       sprintf(name, "%d %% (Current)", value);
5197
5198       setString(&ti->identifier, identifier);
5199       setString(&ti->name, name);
5200       setString(&ti->name_sorting, name);
5201       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5202
5203       pushTreeInfo(&volumes_music, ti);
5204     }
5205
5206     /* sort volume values to start with lowest volume value */
5207     sortTreeInfo(&volumes_music);
5208
5209     /* set current volume value to configured volume value */
5210     volume_music_current =
5211       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5212
5213     /* if that fails, set current volume to reliable default value */
5214     if (volume_music_current == NULL)
5215       volume_music_current =
5216         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5217
5218     /* if that also fails, set current volume to first available value */
5219     if (volume_music_current == NULL)
5220       volume_music_current = volumes_music;
5221   }
5222
5223   setup.volume_simple = atoi(volume_simple_current->identifier);
5224   setup.volume_loops  = atoi(volume_loops_current->identifier);
5225   setup.volume_music  = atoi(volume_music_current->identifier);
5226
5227   /* needed for displaying volume text instead of identifier */
5228   volume_simple_text = volume_simple_current->name;
5229   volume_loops_text = volume_loops_current->name;
5230   volume_music_text = volume_music_current->name;
5231
5232   setup_mode = SETUP_MODE_SOUND;
5233
5234   DrawSetupScreen();
5235 }
5236
5237 static void execSetupChooseTouchControls()
5238 {
5239   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5240
5241   DrawSetupScreen();
5242 }
5243
5244 static void execSetupChooseMoveDistance()
5245 {
5246   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5247
5248   DrawSetupScreen();
5249 }
5250
5251 static void execSetupChooseDropDistance()
5252 {
5253   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5254
5255   DrawSetupScreen();
5256 }
5257
5258 static void execSetupTouch()
5259 {
5260   if (touch_controls == NULL)
5261   {
5262     int i;
5263
5264     for (i = 0; touch_controls_list[i].value != NULL; i++)
5265     {
5266       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5267       char identifier[32], name[32];
5268       char *value = touch_controls_list[i].value;
5269       char *text = touch_controls_list[i].text;
5270
5271       ti->node_top = &touch_controls;
5272       ti->sort_priority = i;
5273
5274       sprintf(identifier, "%s", value);
5275       sprintf(name, "%s", text);
5276
5277       setString(&ti->identifier, identifier);
5278       setString(&ti->name, name);
5279       setString(&ti->name_sorting, name);
5280       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5281
5282       pushTreeInfo(&touch_controls, ti);
5283     }
5284
5285     /* sort touch control values to start with lowest touch control value */
5286     sortTreeInfo(&touch_controls);
5287
5288     /* set current touch control value to configured touch control value */
5289     touch_control_current =
5290       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5291
5292     /* if that fails, set current touch control to reliable default value */
5293     if (touch_control_current == NULL)
5294       touch_control_current =
5295         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5296
5297     /* if that also fails, set current touch control to first available value */
5298     if (touch_control_current == NULL)
5299       touch_control_current = touch_controls;
5300   }
5301
5302   if (move_distances == NULL)
5303   {
5304     int i;
5305
5306     for (i = 0; distances_list[i].value != -1; i++)
5307     {
5308       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5309       char identifier[32], name[32];
5310       int value = distances_list[i].value;
5311       char *text = distances_list[i].text;
5312
5313       ti->node_top = &move_distances;
5314       ti->sort_priority = value;
5315
5316       sprintf(identifier, "%d", value);
5317       sprintf(name, "%s", text);
5318
5319       setString(&ti->identifier, identifier);
5320       setString(&ti->name, name);
5321       setString(&ti->name_sorting, name);
5322       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5323
5324       pushTreeInfo(&move_distances, ti);
5325     }
5326
5327     /* sort distance values to start with lowest distance value */
5328     sortTreeInfo(&move_distances);
5329
5330     /* set current distance value to configured distance value */
5331     move_distance_current =
5332       getTreeInfoFromIdentifier(move_distances,
5333                                 i_to_a(setup.touch.move_distance));
5334
5335     /* if that fails, set current distance to reliable default value */
5336     if (move_distance_current == NULL)
5337       move_distance_current =
5338         getTreeInfoFromIdentifier(move_distances, i_to_a(1));
5339
5340     /* if that also fails, set current distance to first available value */
5341     if (move_distance_current == NULL)
5342       move_distance_current = move_distances;
5343   }
5344
5345   if (drop_distances == NULL)
5346   {
5347     int i;
5348
5349     for (i = 0; distances_list[i].value != -1; i++)
5350     {
5351       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5352       char identifier[32], name[32];
5353       int value = distances_list[i].value;
5354       char *text = distances_list[i].text;
5355
5356       ti->node_top = &drop_distances;
5357       ti->sort_priority = value;
5358
5359       sprintf(identifier, "%d", value);
5360       sprintf(name, "%s", text);
5361
5362       setString(&ti->identifier, identifier);
5363       setString(&ti->name, name);
5364       setString(&ti->name_sorting, name);
5365       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5366
5367       pushTreeInfo(&drop_distances, ti);
5368     }
5369
5370     /* sort distance values to start with lowest distance value */
5371     sortTreeInfo(&drop_distances);
5372
5373     /* set current distance value to configured distance value */
5374     drop_distance_current =
5375       getTreeInfoFromIdentifier(drop_distances,
5376                                 i_to_a(setup.touch.drop_distance));
5377
5378     /* if that fails, set current distance to reliable default value */
5379     if (drop_distance_current == NULL)
5380       drop_distance_current =
5381         getTreeInfoFromIdentifier(drop_distances, i_to_a(1));
5382
5383     /* if that also fails, set current distance to first available value */
5384     if (drop_distance_current == NULL)
5385       drop_distance_current = drop_distances;
5386   }
5387
5388   setup.touch.control_type = touch_control_current->identifier;
5389   setup.touch.move_distance = atoi(move_distance_current->identifier);
5390   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5391
5392   /* needed for displaying volume text instead of identifier */
5393   touch_controls_text = touch_control_current->name;
5394   move_distance_text = move_distance_current->name;
5395   drop_distance_text = drop_distance_current->name;
5396
5397   setup_mode = SETUP_MODE_TOUCH;
5398
5399   DrawSetupScreen();
5400 }
5401
5402 static void execSetupArtwork()
5403 {
5404 #if 0
5405   printf("::: '%s', '%s', '%s'\n",
5406          artwork.gfx_current->subdir,
5407          artwork.gfx_current->fullpath,
5408          artwork.gfx_current->basepath);
5409 #endif
5410
5411   setup.graphics_set = artwork.gfx_current->identifier;
5412   setup.sounds_set = artwork.snd_current->identifier;
5413   setup.music_set = artwork.mus_current->identifier;
5414
5415   /* needed if last screen (setup choice) changed graphics, sounds or music */
5416   ReloadCustomArtwork(0);
5417
5418   /* needed for displaying artwork name instead of artwork identifier */
5419   graphics_set_name = artwork.gfx_current->name;
5420   sounds_set_name = artwork.snd_current->name;
5421   music_set_name = artwork.mus_current->name;
5422
5423   setup_mode = SETUP_MODE_ARTWORK;
5424
5425   DrawSetupScreen();
5426 }
5427
5428 static void execSetupChooseGraphics()
5429 {
5430   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5431
5432   DrawSetupScreen();
5433 }
5434
5435 static void execSetupChooseSounds()
5436 {
5437   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5438
5439   DrawSetupScreen();
5440 }
5441
5442 static void execSetupChooseMusic()
5443 {
5444   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5445
5446   DrawSetupScreen();
5447 }
5448
5449 static void execSetupInput()
5450 {
5451   setup_mode = SETUP_MODE_INPUT;
5452
5453   DrawSetupScreen();
5454 }
5455
5456 static void execSetupShortcuts()
5457 {
5458   setup_mode = SETUP_MODE_SHORTCUTS;
5459
5460   DrawSetupScreen();
5461 }
5462
5463 static void execSetupShortcuts1()
5464 {
5465   setup_mode = SETUP_MODE_SHORTCUTS_1;
5466
5467   DrawSetupScreen();
5468 }
5469
5470 static void execSetupShortcuts2()
5471 {
5472   setup_mode = SETUP_MODE_SHORTCUTS_2;
5473
5474   DrawSetupScreen();
5475 }
5476
5477 static void execSetupShortcuts3()
5478 {
5479   setup_mode = SETUP_MODE_SHORTCUTS_3;
5480
5481   DrawSetupScreen();
5482 }
5483
5484 static void execSetupShortcuts4()
5485 {
5486   setup_mode = SETUP_MODE_SHORTCUTS_4;
5487
5488   DrawSetupScreen();
5489 }
5490
5491 static void execSetupShortcuts5()
5492 {
5493   setup_mode = SETUP_MODE_SHORTCUTS_5;
5494
5495   DrawSetupScreen();
5496 }
5497
5498 static void execExitSetup()
5499 {
5500   SetGameStatus(GAME_MODE_MAIN);
5501
5502   DrawMainMenu();
5503 }
5504
5505 static void execSaveAndExitSetup()
5506 {
5507   SaveSetup();
5508   execExitSetup();
5509 }
5510
5511 static struct TokenInfo setup_info_main[] =
5512 {
5513   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
5514   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
5515   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
5516   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
5517   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
5518   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
5519   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
5520   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
5521   { TYPE_EMPTY,         NULL,                   ""                      },
5522   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
5523   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
5524
5525   { 0,                  NULL,                   NULL                    }
5526 };
5527
5528 static struct TokenInfo setup_info_game[] =
5529 {
5530   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
5531   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
5532   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
5533   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
5534   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
5535   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
5536   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
5537   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
5538   { TYPE_STRING,        &game_speed_text,       ""                      },
5539 #if 1
5540   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5541   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5542 #endif
5543   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
5544   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
5545   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
5546   { TYPE_EMPTY,         NULL,                   ""                      },
5547   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5548
5549   { 0,                  NULL,                   NULL                    }
5550 };
5551
5552 static struct TokenInfo setup_info_editor[] =
5553 {
5554 #if 0
5555   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
5556   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
5557   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
5558   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
5559   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
5560   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
5561   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
5562   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
5563   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
5564   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
5565 #endif
5566   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
5567   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
5568 #if 0
5569   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
5570 #endif
5571   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
5572   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
5573   { TYPE_EMPTY,         NULL,                   ""                      },
5574 #if 0
5575   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
5576   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
5577   { TYPE_EMPTY,         NULL,                   ""                      },
5578 #endif
5579   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
5580   { TYPE_EMPTY,         NULL,                   ""                      },
5581   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5582
5583   { 0,                  NULL,                   NULL                    }
5584 };
5585
5586 static struct TokenInfo setup_info_graphics[] =
5587 {
5588 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
5589   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
5590   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
5591   { TYPE_STRING,        &window_size_text,      ""                      },
5592   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
5593   { TYPE_STRING,        &scaling_type_text,     ""                      },
5594   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
5595   { TYPE_STRING,        &rendering_mode_text,   ""                      },
5596 #endif
5597 #if 0
5598   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
5599   { TYPE_STRING,        &scroll_delay_text,     ""                      },
5600 #endif
5601   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
5602   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
5603   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
5604   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
5605   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
5606   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
5607   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
5608   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
5609   { TYPE_EMPTY,         NULL,                   ""                      },
5610   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5611
5612   { 0,                  NULL,                   NULL                    }
5613 };
5614
5615 static struct TokenInfo setup_info_sound[] =
5616 {
5617   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
5618   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
5619   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
5620   { TYPE_EMPTY,         NULL,                   ""                      },
5621   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
5622   { TYPE_STRING,        &volume_simple_text,    ""                      },
5623   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
5624   { TYPE_STRING,        &volume_loops_text,     ""                      },
5625   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
5626   { TYPE_STRING,        &volume_music_text,     ""                      },
5627   { TYPE_EMPTY,         NULL,                   ""                      },
5628   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5629
5630   { 0,                  NULL,                   NULL                    }
5631 };
5632
5633 static struct TokenInfo setup_info_artwork[] =
5634 {
5635   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
5636   { TYPE_STRING,        &graphics_set_name,     ""                      },
5637   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
5638   { TYPE_STRING,        &sounds_set_name,       ""                      },
5639   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
5640   { TYPE_STRING,        &music_set_name,        ""                      },
5641   { TYPE_EMPTY,         NULL,                   ""                      },
5642   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
5643   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
5644   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
5645   { TYPE_EMPTY,         NULL,                   ""                      },
5646   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5647
5648   { 0,                  NULL,                   NULL                    }
5649 };
5650
5651 static struct TokenInfo setup_info_input[] =
5652 {
5653   { TYPE_SWITCH,        NULL,                   "Player:"               },
5654   { TYPE_SWITCH,        NULL,                   "Device:"               },
5655   { TYPE_SWITCH,        NULL,                   ""                      },
5656   { TYPE_EMPTY,         NULL,                   ""                      },
5657   { TYPE_EMPTY,         NULL,                   ""                      },
5658   { TYPE_EMPTY,         NULL,                   ""                      },
5659   { TYPE_EMPTY,         NULL,                   ""                      },
5660   { TYPE_EMPTY,         NULL,                   ""                      },
5661   { TYPE_EMPTY,         NULL,                   ""                      },
5662   { TYPE_EMPTY,         NULL,                   ""                      },
5663   { TYPE_EMPTY,         NULL,                   ""                      },
5664   { TYPE_EMPTY,         NULL,                   ""                      },
5665   { TYPE_EMPTY,         NULL,                   ""                      },
5666   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5667
5668   { 0,                  NULL,                   NULL                    }
5669 };
5670
5671 static struct TokenInfo setup_info_touch[] =
5672 {
5673   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5674   { TYPE_STRING,        &touch_controls_text,   ""                      },
5675   { TYPE_EMPTY,         NULL,                   ""                      },
5676   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5677
5678   { 0,                  NULL,                   NULL                    }
5679 };
5680
5681 static struct TokenInfo setup_info_touch_wipe_gestures[] =
5682 {
5683   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
5684   { TYPE_STRING,        &touch_controls_text,   ""                      },
5685   { TYPE_EMPTY,         NULL,                   ""                      },
5686   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
5687   { TYPE_STRING,        &move_distance_text,    ""                      },
5688   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
5689   { TYPE_STRING,        &drop_distance_text,    ""                      },
5690   { TYPE_EMPTY,         NULL,                   ""                      },
5691   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5692
5693   { 0,                  NULL,                   NULL                    }
5694 };
5695
5696 static struct TokenInfo setup_info_shortcuts[] =
5697 {
5698   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
5699   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
5700   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
5701   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
5702   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
5703   { TYPE_EMPTY,         NULL,                   ""                      },
5704   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
5705
5706   { 0,                  NULL,                   NULL                    }
5707 };
5708
5709 static struct TokenInfo setup_info_shortcuts_1[] =
5710 {
5711   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
5712   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
5713   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
5714   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
5715   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
5716   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
5717   { TYPE_EMPTY,         NULL,                   ""                      },
5718   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
5719   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
5720   { TYPE_EMPTY,         NULL,                   ""                      },
5721   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5722
5723   { 0,                  NULL,                   NULL                    }
5724 };
5725
5726 static struct TokenInfo setup_info_shortcuts_2[] =
5727 {
5728   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
5729   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
5730   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
5731   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
5732   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
5733   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
5734   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
5735   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
5736   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
5737   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
5738   { TYPE_EMPTY,         NULL,                   ""                      },
5739   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5740
5741   { 0,                  NULL,                   NULL                    }
5742 };
5743
5744 static struct TokenInfo setup_info_shortcuts_3[] =
5745 {
5746   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
5747   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
5748   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
5749   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
5750   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
5751   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
5752   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
5753   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
5754   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
5755   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
5756   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
5757   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
5758   { TYPE_EMPTY,         NULL,                   ""                      },
5759   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5760
5761   { 0,                  NULL,                   NULL                    }
5762 };
5763
5764 static struct TokenInfo setup_info_shortcuts_4[] =
5765 {
5766   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
5767   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
5768   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
5769   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
5770   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
5771   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
5772   { TYPE_EMPTY,         NULL,                   ""                      },
5773   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5774
5775   { 0,                  NULL,                   NULL                    }
5776 };
5777
5778 static struct TokenInfo setup_info_shortcuts_5[] =
5779 {
5780   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
5781   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
5782   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
5783   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
5784   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
5785   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
5786   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
5787   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
5788   { TYPE_EMPTY,         NULL,                   ""                      },
5789   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
5790
5791   { 0,                  NULL,                   NULL                    }
5792 };
5793
5794 static Key getSetupKey()
5795 {
5796   Key key = KSYM_UNDEFINED;
5797   boolean got_key_event = FALSE;
5798
5799   while (!got_key_event)
5800   {
5801     Event event;
5802
5803     if (NextValidEvent(&event))
5804     {
5805       switch (event.type)
5806       {
5807         case EVENT_KEYPRESS:
5808           {
5809             key = GetEventKey((KeyEvent *)&event, TRUE);
5810
5811             /* press 'Escape' or 'Enter' to keep the existing key binding */
5812             if (key == KSYM_Escape || key == KSYM_Return)
5813               key = KSYM_UNDEFINED;     /* keep old value */
5814
5815             got_key_event = TRUE;
5816           }
5817           break;
5818
5819         case EVENT_KEYRELEASE:
5820           key_joystick_mapping = 0;
5821           break;
5822
5823         default:
5824           HandleOtherEvents(&event);
5825           break;
5826       }
5827     }
5828
5829     BackToFront();
5830   }
5831
5832   return key;
5833 }
5834
5835 static int getSetupValueFont(int type, void *value)
5836 {
5837   if (type & TYPE_GHOSTED)
5838     return FONT_OPTION_OFF;
5839   else if (type & TYPE_KEY)
5840     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
5841   else if (type & TYPE_STRING)
5842     return FONT_VALUE_2;
5843   else if (type & TYPE_ECS_AGA)
5844     return FONT_VALUE_1;
5845   else if (type & TYPE_BOOLEAN_STYLE)
5846     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
5847   else if (type & TYPE_YES_NO_AUTO)
5848     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
5849             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
5850   else
5851     return FONT_VALUE_1;
5852 }
5853
5854 static int getSetupValueFontNarrow(int type, int font_nr)
5855 {
5856   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
5857           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
5858           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
5859           font_nr);
5860 }
5861
5862 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
5863 {
5864   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5865   struct TokenInfo *si = &setup_info[si_pos];
5866   boolean font_draw_xoffset_modified = FALSE;
5867   boolean scrollbar_needed = (num_setup_info < max_setup_info);
5868   int font_draw_xoffset_old = -1;
5869   int xoffset = (scrollbar_needed ? -1 : 0);
5870   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
5871   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
5872   int xpos = menu_screen_value_xpos;
5873   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
5874   int startx = mSX + xpos * 32;
5875   int starty = mSY + ypos * 32;
5876   int font_nr, font_nr_default, font_width_default;
5877   int type = si->type;
5878   void *value = si->value;
5879   char *value_string = getSetupValue(type, value);
5880   int i;
5881
5882   if (value_string == NULL)
5883     return;
5884
5885   if (type & TYPE_KEY)
5886   {
5887     xpos = MENU_SCREEN_START_XPOS;
5888
5889     if (type & TYPE_QUERY)
5890       value_string = "<press key>";
5891   }
5892   else if (type & TYPE_STRING)
5893   {
5894     int max_value_len = (SCR_FIELDX - 2) * 2;
5895
5896     xpos = MENU_SCREEN_START_XPOS;
5897
5898     if (strlen(value_string) > max_value_len)
5899       value_string[max_value_len] = '\0';
5900   }
5901   else if (type & TYPE_YES_NO_AUTO)
5902   {
5903     xpos = menu_screen_value_xpos - 1;
5904   }
5905
5906   startx = mSX + xpos * 32;
5907   starty = mSY + ypos * 32;
5908   font_nr_default = getSetupValueFont(type, value);
5909   font_width_default = getFontWidth(font_nr_default);
5910
5911   font_nr = font_nr_default;
5912
5913   // special check if right-side setup values moved left due to scrollbar
5914   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
5915   {
5916     int max_menu_text_length = 26;      // maximum text length for classic menu
5917     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5918     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5919     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5920     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5921     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
5922
5923     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
5924     {
5925       xpos += 1;
5926       startx = mSX + xpos * 32;
5927
5928       font_nr = getSetupValueFontNarrow(type, font_nr);
5929     }
5930   }
5931
5932   /* downward compatibility correction for Juergen Bonhagen's menu settings */
5933   if (setup_mode != SETUP_MODE_INPUT)
5934   {
5935     int max_menu_text_length_big = (menu_screen_value_xpos -
5936                                     MENU_SCREEN_START_XPOS);
5937     int max_menu_text_length_medium = max_menu_text_length_big * 2;
5938     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
5939     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
5940     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
5941     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
5942     int text_font_nr = getMenuTextFont(FONT_MENU_2);
5943     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
5944     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
5945     boolean correct_font_draw_xoffset = FALSE;
5946
5947     if (xpos == MENU_SCREEN_START_XPOS &&
5948         startx + font1_xoffset < text_startx + text_font_xoffset)
5949       correct_font_draw_xoffset = TRUE;
5950
5951     if (xpos == menu_screen_value_xpos &&
5952         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
5953       correct_font_draw_xoffset = TRUE;
5954
5955     /* check if setup value would overlap with setup text when printed */
5956     /* (this can happen for extreme/wrong values for font draw offset) */
5957     if (correct_font_draw_xoffset)
5958     {
5959       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
5960       font_draw_xoffset_modified = TRUE;
5961
5962       if (type & TYPE_KEY)
5963         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
5964       else if (!(type & TYPE_STRING))
5965         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
5966           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
5967     }
5968   }
5969
5970   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
5971     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
5972
5973   DrawText(startx, starty, value_string, font_nr);
5974
5975   if (font_draw_xoffset_modified)
5976     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
5977 }
5978
5979 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
5980 {
5981   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
5982   struct TokenInfo *si = &setup_info[si_pos];
5983
5984   if (si->type & TYPE_BOOLEAN_STYLE)
5985   {
5986     *(boolean *)si->value ^= TRUE;
5987   }
5988   else if (si->type & TYPE_YES_NO_AUTO)
5989   {
5990     *(int *)si->value =
5991       (dx == -1 ?
5992        (*(int *)si->value == AUTO ? TRUE :
5993         *(int *)si->value == TRUE ? FALSE : AUTO) :
5994        (*(int *)si->value == TRUE ? AUTO :
5995         *(int *)si->value == AUTO ? FALSE : TRUE));
5996   }
5997   else if (si->type & TYPE_KEY)
5998   {
5999     Key key;
6000
6001     si->type |= TYPE_QUERY;
6002     drawSetupValue(screen_pos, setup_info_pos_raw);
6003     si->type &= ~TYPE_QUERY;
6004
6005     key = getSetupKey();
6006     if (key != KSYM_UNDEFINED)
6007       *(Key *)si->value = key;
6008   }
6009
6010   drawSetupValue(screen_pos, setup_info_pos_raw);
6011
6012   // fullscreen state may have changed at this point
6013   if (si->value == &setup.fullscreen)
6014     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6015 }
6016
6017 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6018 {
6019   static struct TokenInfo *setup_info_hide = NULL;
6020   int list_size = 0;
6021   int list_pos = 0;
6022   int i;
6023
6024   /* determine maximum list size of target list */
6025   while (setup_info_orig[list_size++].type != 0);
6026
6027   /* free, allocate and clear memory for target list */
6028   checked_free(setup_info_hide);
6029   setup_info_hide = checked_calloc(list_size * sizeof(struct TokenInfo));
6030
6031   /* copy setup info list without setup entries marked as hidden */
6032   for (i = 0; setup_info_orig[i].type != 0; i++)
6033     if (!hideSetupEntry(setup_info_orig[i].value))
6034       setup_info_hide[list_pos++] = setup_info_orig[i];
6035
6036   return setup_info_hide;
6037 }
6038
6039 static void DrawSetupScreen_Generic()
6040 {
6041   int fade_mask = REDRAW_FIELD;
6042   boolean redraw_all = FALSE;
6043   char *title_string = NULL;
6044   int i;
6045
6046   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
6047     fade_mask = REDRAW_ALL;
6048
6049   UnmapAllGadgets();
6050   FadeMenuSoundsAndMusic();
6051
6052   FreeScreenGadgets();
6053   CreateScreenGadgets();
6054
6055   if (redraw_mask & REDRAW_ALL)
6056     redraw_all = TRUE;
6057
6058   FadeOut(fade_mask);
6059
6060   /* needed if different viewport properties defined for setup screen */
6061   ChangeViewportPropertiesIfNeeded();
6062
6063   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6064
6065   ClearField();
6066
6067   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6068
6069   if (setup_mode == SETUP_MODE_MAIN)
6070   {
6071     setup_info = setup_info_main;
6072     title_string = STR_SETUP_MAIN;
6073   }
6074   else if (setup_mode == SETUP_MODE_GAME)
6075   {
6076     setup_info = setup_info_game;
6077     title_string = STR_SETUP_GAME;
6078   }
6079   else if (setup_mode == SETUP_MODE_EDITOR)
6080   {
6081     setup_info = setup_info_editor;
6082     title_string = STR_SETUP_EDITOR;
6083   }
6084   else if (setup_mode == SETUP_MODE_GRAPHICS)
6085   {
6086     setup_info = setup_info_graphics;
6087     title_string = STR_SETUP_GRAPHICS;
6088   }
6089   else if (setup_mode == SETUP_MODE_SOUND)
6090   {
6091     setup_info = setup_info_sound;
6092     title_string = STR_SETUP_SOUND;
6093   }
6094   else if (setup_mode == SETUP_MODE_ARTWORK)
6095   {
6096     setup_info = setup_info_artwork;
6097     title_string = STR_SETUP_ARTWORK;
6098   }
6099   else if (setup_mode == SETUP_MODE_TOUCH)
6100   {
6101     setup_info = setup_info_touch;
6102     title_string = STR_SETUP_TOUCH;
6103
6104     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6105       setup_info = setup_info_touch_wipe_gestures;
6106   }
6107   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6108   {
6109     setup_info = setup_info_shortcuts;
6110     title_string = STR_SETUP_SHORTCUTS;
6111   }
6112   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6113   {
6114     setup_info = setup_info_shortcuts_1;
6115     title_string = STR_SETUP_SHORTCUTS;
6116   }
6117   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6118   {
6119     setup_info = setup_info_shortcuts_2;
6120     title_string = STR_SETUP_SHORTCUTS;
6121   }
6122   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6123   {
6124     setup_info = setup_info_shortcuts_3;
6125     title_string = STR_SETUP_SHORTCUTS;
6126   }
6127   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6128   {
6129     setup_info = setup_info_shortcuts_4;
6130     title_string = STR_SETUP_SHORTCUTS;
6131   }
6132   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6133   {
6134     setup_info = setup_info_shortcuts_5;
6135     title_string = STR_SETUP_SHORTCUTS;
6136   }
6137
6138   /* use modified setup info without setup entries marked as hidden */
6139   setup_info = getSetupInfoFinal(setup_info);
6140
6141   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
6142
6143   // determine maximal number of setup entries that can be displayed on screen
6144   num_setup_info = 0;
6145   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
6146     num_setup_info++;
6147
6148   // determine maximal number of setup entries available for this setup screen
6149   max_setup_info = 0;
6150   for (i = 0; setup_info[i].type != 0; i++)
6151     max_setup_info++;
6152
6153   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
6154
6155   MapScreenGadgets(max_setup_info);
6156
6157   if (redraw_all)
6158     redraw_mask = fade_mask = REDRAW_ALL;
6159
6160   DrawMaskedBorder(fade_mask);
6161
6162   FadeIn(fade_mask);
6163 }
6164
6165 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
6166 {
6167   menu_info = setup_info;
6168
6169   HandleMenuScreen(mx, my, dx, dy, button,
6170                    setup_mode, num_setup_info, max_setup_info);
6171 }
6172
6173 void DrawSetupScreen_Input()
6174 {
6175   int i;
6176
6177   FadeOut(REDRAW_FIELD);
6178
6179   ClearField();
6180
6181   setup_info = setup_info_input;
6182
6183   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
6184
6185   for (i = 0; setup_info[i].type != 0 && i < MAX_MENU_ENTRIES_ON_SCREEN; i++)
6186   {
6187     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
6188       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
6189     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
6190       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
6191     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
6192       initCursor(i, IMG_MENU_BUTTON);
6193
6194     DrawCursorAndText_Setup(i, -1, FALSE);
6195   }
6196
6197   /* create gadgets for setup input menu screen */
6198   FreeScreenGadgets();
6199   CreateScreenGadgets();
6200
6201   /* map gadgets for setup input menu screen */
6202   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
6203
6204   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
6205
6206   FadeIn(REDRAW_FIELD);
6207 }
6208
6209 static void setJoystickDeviceToNr(char *device_name, int device_nr)
6210 {
6211   if (device_name == NULL)
6212     return;
6213
6214   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
6215     device_nr = 0;
6216
6217   if (strlen(device_name) > 1)
6218   {
6219     char c1 = device_name[strlen(device_name) - 1];
6220     char c2 = device_name[strlen(device_name) - 2];
6221
6222     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
6223       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
6224   }
6225   else
6226     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
6227             strlen(device_name));
6228 }
6229
6230 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
6231 {
6232   int i;
6233   static struct SetupKeyboardInfo custom_key;
6234   static struct
6235   {
6236     Key *key;
6237     char *text;
6238   } custom[] =
6239   {
6240     { &custom_key.left,  "Axis/Pad Left"  },
6241     { &custom_key.right, "Axis/Pad Right" },
6242     { &custom_key.up,    "Axis/Pad Up"    },
6243     { &custom_key.down,  "Axis/Pad Down"  },
6244     { &custom_key.snap,  "Button 1/A/X"   },
6245     { &custom_key.drop,  "Button 2/B/Y"   }
6246   };
6247   static char *joystick_name[MAX_PLAYERS] =
6248   {
6249     "Joystick1",
6250     "Joystick2",
6251     "Joystick3",
6252     "Joystick4"
6253   };
6254   int text_font_nr = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
6255
6256   custom_key = setup.input[player_nr].key;
6257
6258   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
6259            FONT_INPUT_1_ACTIVE);
6260
6261   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6262                              TILEX, TILEY);
6263   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6264                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6265
6266   if (setup.input[player_nr].use_joystick)
6267   {
6268     char *device_name = setup.input[player_nr].joy.device_name;
6269     int joystick_nr = getJoystickNrFromDeviceName(device_name);
6270     boolean joystick_active = CheckJoystickOpened(joystick_nr);
6271     char *text = joystick_name[joystick_nr];
6272     int font_nr = (joystick_active ? FONT_VALUE_1 : FONT_VALUE_OLD);
6273
6274     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6275     DrawText(mSX + 32, mSY + 4 * 32, "Configure", text_font_nr);
6276   }
6277   else
6278   {
6279     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", FONT_VALUE_1);
6280     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", text_font_nr);
6281   }
6282
6283   DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", FONT_MENU_1);
6284
6285   drawCursorXY(1, 4, IMG_MENU_BUTTON_LEFT);
6286   drawCursorXY(1, 5, IMG_MENU_BUTTON_RIGHT);
6287   drawCursorXY(1, 6, IMG_MENU_BUTTON_UP);
6288   drawCursorXY(1, 7, IMG_MENU_BUTTON_DOWN);
6289
6290   DrawText(mSX + 2 * 32, mSY +  6 * 32, ":", FONT_VALUE_OLD);
6291   DrawText(mSX + 2 * 32, mSY +  7 * 32, ":", FONT_VALUE_OLD);
6292   DrawText(mSX + 2 * 32, mSY +  8 * 32, ":", FONT_VALUE_OLD);
6293   DrawText(mSX + 2 * 32, mSY +  9 * 32, ":", FONT_VALUE_OLD);
6294   DrawText(mSX + 1 * 32, mSY + 10 * 32, "Snap Field:", FONT_VALUE_OLD);
6295   DrawText(mSX + 1 * 32, mSY + 12 * 32, "Drop Element:", FONT_VALUE_OLD);
6296
6297   for (i = 0; i < 6; i++)
6298   {
6299     int ypos = 6 + i + (i > 3 ? i-3 : 0);
6300
6301     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6302              "              ", FONT_VALUE_1);
6303     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6304              (setup.input[player_nr].use_joystick ?
6305               custom[i].text :
6306               getKeyNameFromKey(*custom[i].key)), FONT_VALUE_1);
6307   }
6308 }
6309
6310 static int input_player_nr = 0;
6311
6312 void HandleSetupScreen_Input_Player(int step, int direction)
6313 {
6314   int old_player_nr = input_player_nr;
6315   int new_player_nr;
6316
6317   new_player_nr = old_player_nr + step * direction;
6318   if (new_player_nr < 0)
6319     new_player_nr = 0;
6320   if (new_player_nr > MAX_PLAYERS - 1)
6321     new_player_nr = MAX_PLAYERS - 1;
6322
6323   if (new_player_nr != old_player_nr)
6324   {
6325     input_player_nr = new_player_nr;
6326
6327     drawPlayerSetupInputInfo(input_player_nr, FALSE);
6328   }
6329 }
6330
6331 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
6332 {
6333   static int choice = 0;
6334   int x = 0;
6335   int y = choice;
6336   int pos_start  = SETUPINPUT_SCREEN_POS_START;
6337   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
6338   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
6339   int pos_end    = SETUPINPUT_SCREEN_POS_END;
6340
6341   if (button == MB_MENU_INITIALIZE)
6342   {
6343     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
6344
6345     DrawCursorAndText_Setup(choice, -1, TRUE);
6346
6347     return;
6348   }
6349   else if (button == MB_MENU_LEAVE)
6350   {
6351     setup_mode = SETUP_MODE_MAIN;
6352     DrawSetupScreen();
6353     InitJoysticks();
6354
6355     return;
6356   }
6357
6358   if (mx || my)         /* mouse input */
6359   {
6360     x = (mx - mSX) / 32;
6361     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
6362   }
6363   else if (dx || dy)    /* keyboard input */
6364   {
6365     if (dx && choice == 0)
6366       x = (dx < 0 ? 10 : 12);
6367     else if ((dx && choice == 1) ||
6368              (dx == -1 && choice == pos_end))
6369       button = MB_MENU_CHOICE;
6370     else if (dy)
6371       y = choice + dy;
6372
6373     if (y >= pos_empty1 && y <= pos_empty2)
6374       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
6375   }
6376
6377   if (y == 0 && dx != 0 && button)
6378   {
6379     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
6380   }
6381   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
6382            y >= pos_start && y <= pos_end &&
6383            !(y >= pos_empty1 && y <= pos_empty2))
6384   {
6385     if (button)
6386     {
6387       if (y != choice)
6388       {
6389         DrawCursorAndText_Setup(choice, -1, FALSE);
6390         DrawCursorAndText_Setup(y, -1, TRUE);
6391
6392         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
6393
6394         choice = y;
6395       }
6396     }
6397     else
6398     {
6399       if (y == 1)
6400       {
6401         char *device_name = setup.input[input_player_nr].joy.device_name;
6402
6403         if (!setup.input[input_player_nr].use_joystick)
6404         {
6405           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
6406
6407           setJoystickDeviceToNr(device_name, new_device_nr);
6408           setup.input[input_player_nr].use_joystick = TRUE;
6409         }
6410         else
6411         {
6412           int device_nr = getJoystickNrFromDeviceName(device_name);
6413           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
6414
6415           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
6416             setup.input[input_player_nr].use_joystick = FALSE;
6417           else
6418             setJoystickDeviceToNr(device_name, new_device_nr);
6419         }
6420
6421         drawPlayerSetupInputInfo(input_player_nr, FALSE);
6422       }
6423       else if (y == 2)
6424       {
6425         if (setup.input[input_player_nr].use_joystick)
6426           ConfigureJoystick(input_player_nr);
6427         else
6428           CustomizeKeyboard(input_player_nr);
6429       }
6430       else if (y == pos_end)
6431       {
6432         InitJoysticks();
6433
6434         FadeSetLeaveMenu();
6435
6436         setup_mode = SETUP_MODE_MAIN;
6437         DrawSetupScreen();
6438       }
6439     }
6440   }
6441 }
6442
6443 void CustomizeKeyboard(int player_nr)
6444 {
6445   int i;
6446   int step_nr;
6447   boolean finished = FALSE;
6448   static struct SetupKeyboardInfo custom_key;
6449   static struct
6450   {
6451     Key *key;
6452     char *text;
6453   } customize_step[] =
6454   {
6455     { &custom_key.left,  "Move Left"    },
6456     { &custom_key.right, "Move Right"   },
6457     { &custom_key.up,    "Move Up"      },
6458     { &custom_key.down,  "Move Down"    },
6459     { &custom_key.snap,  "Snap Field"   },
6460     { &custom_key.drop,  "Drop Element" }
6461   };
6462
6463   /* read existing key bindings from player setup */
6464   custom_key = setup.input[player_nr].key;
6465
6466   FadeSetEnterMenu();
6467   FadeOut(REDRAW_FIELD);
6468
6469   ClearField();
6470
6471   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
6472
6473   step_nr = 0;
6474   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6475            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6476   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6477            "Key:", FONT_INPUT_1_ACTIVE);
6478   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6479            getKeyNameFromKey(*customize_step[step_nr].key), FONT_VALUE_OLD);
6480
6481   FadeIn(REDRAW_FIELD);
6482
6483   while (!finished)
6484   {
6485     Event event;
6486
6487     if (NextValidEvent(&event))
6488     {
6489       switch (event.type)
6490       {
6491         case EVENT_KEYPRESS:
6492           {
6493             Key key = GetEventKey((KeyEvent *)&event, FALSE);
6494
6495             if (key == KSYM_Escape || (key == KSYM_Return && step_nr == 6))
6496             {
6497               if (key == KSYM_Escape)
6498                 FadeSkipNextFadeIn();
6499
6500               finished = TRUE;
6501               break;
6502             }
6503
6504             /* all keys configured -- wait for "Escape" or "Return" key */
6505             if (step_nr == 6)
6506               break;
6507
6508             /* press 'Enter' to keep the existing key binding */
6509             if (key == KSYM_Return)
6510               key = *customize_step[step_nr].key;
6511
6512             /* check if key already used */
6513             for (i = 0; i < step_nr; i++)
6514               if (*customize_step[i].key == key)
6515                 break;
6516             if (i < step_nr)
6517               break;
6518
6519             /* got new key binding */
6520             *customize_step[step_nr].key = key;
6521             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6522                      "             ", FONT_VALUE_1);
6523             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6524                      getKeyNameFromKey(key), FONT_VALUE_1);
6525             step_nr++;
6526
6527             /* un-highlight last query */
6528             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
6529                      customize_step[step_nr - 1].text, FONT_MENU_1);
6530             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
6531                      "Key:", FONT_MENU_1);
6532
6533             /* press 'Enter' to leave */
6534             if (step_nr == 6)
6535             {
6536               DrawText(mSX + 16, mSY + 15 * 32 + 16,
6537                        "Press Enter", FONT_TITLE_1);
6538               break;
6539             }
6540
6541             /* query next key binding */
6542             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
6543                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
6544             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
6545                      "Key:", FONT_INPUT_1_ACTIVE);
6546             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
6547                      getKeyNameFromKey(*customize_step[step_nr].key),
6548                      FONT_VALUE_OLD);
6549           }
6550           break;
6551
6552         case EVENT_KEYRELEASE:
6553           key_joystick_mapping = 0;
6554           break;
6555
6556         default:
6557           HandleOtherEvents(&event);
6558           break;
6559       }
6560     }
6561
6562     BackToFront();
6563   }
6564
6565   /* write new key bindings back to player setup */
6566   setup.input[player_nr].key = custom_key;
6567
6568   DrawSetupScreen_Input();
6569 }
6570
6571 /* game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com> */
6572
6573 #define MARKER_BUTTON           1
6574 #define MARKER_AXIS_X           2
6575 #define MARKER_AXIS_Y           3
6576
6577 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
6578 {
6579 #if defined(TARGET_SDL2)
6580   static boolean bitmaps_initialized = FALSE;
6581   boolean screen_initialized = FALSE;
6582   static Bitmap *controller, *button, *axis_x, *axis_y;
6583   char *name;
6584   boolean success = TRUE;
6585   boolean done = FALSE, next = FALSE;
6586   Event event;
6587   int alpha = 200, alpha_step = -1;
6588   int alpha_ticks = 0;
6589   char mapping[4096], temp[4096];
6590   int font_name = MENU_SETUP_FONT_TITLE;
6591   int font_info = MENU_SETUP_FONT_TEXT;
6592   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
6593   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
6594   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
6595   int ystep_name = getMenuTextStep(spacing_name, font_name);
6596   int ystep_line = getMenuTextStep(spacing_line, font_info);
6597   int ystep_para = getMenuTextStep(spacing_para, font_info);
6598   int i, j;
6599
6600   struct
6601   {
6602     int x, y;
6603     int marker;
6604     char *field;
6605     int axis, button, hat, hat_value;
6606     char mapping[4096];
6607   }
6608   *step, *prev_step, steps[] =
6609   {
6610     { 356, 155, MARKER_BUTTON, "a",             },
6611     { 396, 122, MARKER_BUTTON, "b",             },
6612     { 320, 125, MARKER_BUTTON, "x",             },
6613     { 358,  95, MARKER_BUTTON, "y",             },
6614     { 162, 125, MARKER_BUTTON, "back",          },
6615     { 216, 125, MARKER_BUTTON, "guide",         },
6616     { 271, 125, MARKER_BUTTON, "start",         },
6617     { 110, 200, MARKER_BUTTON, "dpleft",        },
6618     { 146, 228, MARKER_BUTTON, "dpdown",        },
6619     { 178, 200, MARKER_BUTTON, "dpright",       },
6620     { 146, 172, MARKER_BUTTON, "dpup",          },
6621     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
6622     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
6623     { 382,  40, MARKER_BUTTON, "rightshoulder", },
6624     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
6625     {  73, 141, MARKER_BUTTON, "leftstick",     },
6626     { 282, 210, MARKER_BUTTON, "rightstick",    },
6627     {  73, 141, MARKER_AXIS_X, "leftx",         },
6628     {  73, 141, MARKER_AXIS_Y, "lefty",         },
6629     { 282, 210, MARKER_AXIS_X, "rightx",        },
6630     { 282, 210, MARKER_AXIS_Y, "righty",        },
6631   };
6632
6633   unsigned int event_frame_delay = 0;
6634   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
6635
6636   ResetDelayCounter(&event_frame_delay);
6637
6638   if (!bitmaps_initialized)
6639   {
6640     controller = LoadCustomImage("joystick/controller.png");
6641     button     = LoadCustomImage("joystick/button.png");
6642     axis_x     = LoadCustomImage("joystick/axis_x.png");
6643     axis_y     = LoadCustomImage("joystick/axis_y.png");
6644
6645     bitmaps_initialized = TRUE;
6646   }
6647
6648   name = getFormattedJoystickName(SDL_JoystickName(joystick));
6649
6650 #if DEBUG_JOYSTICKS
6651   /* print info about the joystick we are watching */
6652   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
6653         SDL_JoystickInstanceID(joystick), name);
6654   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
6655         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
6656         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
6657 #endif
6658
6659   /* initialize mapping with GUID and name */
6660   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
6661
6662   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
6663            temp, name, SDL_GetPlatform());
6664
6665   /* loop through all steps (buttons and axes), getting joystick events */
6666   for (i = 0; i < SDL_arraysize(steps) && !done;)
6667   {
6668     Bitmap *marker = button;    /* initialize with reliable default value */
6669
6670     step = &steps[i];
6671     strcpy(step->mapping, mapping);
6672     step->axis = -1;
6673     step->button = -1;
6674     step->hat = -1;
6675     step->hat_value = -1;
6676
6677     marker = (step->marker == MARKER_BUTTON ? button :
6678               step->marker == MARKER_AXIS_X ? axis_x :
6679               step->marker == MARKER_AXIS_Y ? axis_y : marker);
6680
6681     next = FALSE;
6682
6683     while (!done && !next)
6684     {
6685       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
6686       alpha_ticks = SDL_GetTicks();
6687
6688       if (alpha >= 255)
6689       {
6690         alpha = 255;
6691         alpha_step = -1;
6692       }
6693       else if (alpha < 128)
6694       {
6695         alpha = 127;
6696         alpha_step = 1;
6697       }
6698
6699       int controller_x = SX + (SXSIZE - controller->width) / 2;
6700       int controller_y = SY + ystep_line;
6701
6702       int marker_x = controller_x + step->x;
6703       int marker_y = controller_y + step->y;
6704
6705       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
6706       int ystart2 = ystart1 + ystep_name + ystep_line;
6707
6708       ClearField();
6709
6710       DrawTextSCentered(ystart1, font_name, name);
6711
6712       DrawTextSCentered(ystart2, font_info,
6713                         "Press buttons and move axes on");
6714       ystart2 += ystep_line;
6715       DrawTextSCentered(ystart2, font_info,
6716                         "your controller when indicated.");
6717       ystart2 += ystep_line;
6718       DrawTextSCentered(ystart2, font_info,
6719                         "(Your controller may look different.)");
6720       ystart2 += ystep_para;
6721
6722 #if defined(PLATFORM_ANDROID)
6723       DrawTextSCentered(ystart2, font_info,
6724                         "To correct a mistake,");
6725       ystart2 += ystep_line;
6726       DrawTextSCentered(ystart2, font_info,
6727                         "press the 'back' button.");
6728       ystart2 += ystep_line;
6729       DrawTextSCentered(ystart2, font_info,
6730                         "To skip a button or axis,");
6731       ystart2 += ystep_line;
6732       DrawTextSCentered(ystart2, font_info,
6733                         "press the 'menu' button.");
6734 #else
6735       DrawTextSCentered(ystart2, font_info,
6736                         "To correct a mistake,");
6737       ystart2 += ystep_line;
6738       DrawTextSCentered(ystart2, font_info,
6739                         "press the 'backspace' key.");
6740       ystart2 += ystep_line;
6741       DrawTextSCentered(ystart2, font_info,
6742                         "To skip a button or axis,");
6743       ystart2 += ystep_line;
6744       DrawTextSCentered(ystart2, font_info,
6745                         "press the 'return' key.");
6746       ystart2 += ystep_line;
6747       DrawTextSCentered(ystart2, font_info,
6748                         "To exit, press the 'escape' key.");
6749 #endif
6750
6751       BlitBitmapMasked(controller, drawto, 0, 0,
6752                        controller->width, controller->height,
6753                        controller_x, controller_y);
6754
6755       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
6756
6757       BlitBitmapMasked(marker, drawto, 0, 0,
6758                        marker->width, marker->height,
6759                        marker_x, marker_y);
6760
6761       if (!screen_initialized)
6762         FadeIn(REDRAW_FIELD);
6763       else
6764         BackToFront();
6765
6766       screen_initialized = TRUE;
6767
6768       while (NextValidEvent(&event))
6769       {
6770         switch (event.type)
6771         {
6772           case SDL_JOYAXISMOTION:
6773             if (event.jaxis.value > 20000 ||
6774                 event.jaxis.value < -20000)
6775             {
6776               for (j = 0; j < i; j++)
6777                 if (steps[j].axis == event.jaxis.axis)
6778                   break;
6779
6780               if (j == i)
6781               {
6782                 if (step->marker != MARKER_AXIS_X &&
6783                     step->marker != MARKER_AXIS_Y)
6784                   break;
6785
6786                 step->axis = event.jaxis.axis;
6787                 strcat(mapping, step->field);
6788                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
6789                 strcat(mapping, temp);
6790                 i++;
6791                 next = TRUE;
6792               }
6793             }
6794
6795             break;
6796
6797           case SDL_JOYHATMOTION:
6798             /* ignore centering; we're probably just coming back
6799                to the center from the previous item we set */
6800             if (event.jhat.value == SDL_HAT_CENTERED)
6801               break;
6802
6803             for (j = 0; j < i; j++)
6804               if (steps[j].hat == event.jhat.hat &&
6805                   steps[j].hat_value == event.jhat.value)
6806                 break;
6807
6808             if (j == i)
6809             {
6810               step->hat = event.jhat.hat;
6811               step->hat_value = event.jhat.value;
6812               strcat(mapping, step->field);
6813               snprintf(temp, sizeof(temp), ":h%u.%u,",
6814                        event.jhat.hat, event.jhat.value );
6815               strcat(mapping, temp);
6816               i++;
6817               next = TRUE;
6818             }
6819
6820             break;
6821
6822           case SDL_JOYBALLMOTION:
6823             break;
6824
6825           case SDL_JOYBUTTONUP:
6826             for (j = 0; j < i; j++)
6827               if (steps[j].button == event.jbutton.button)
6828                 break;
6829
6830             if (j == i)
6831             {
6832               step->button = event.jbutton.button;
6833               strcat(mapping, step->field);
6834               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
6835               strcat(mapping, temp);
6836               i++;
6837               next = TRUE;
6838             }
6839
6840             break;
6841
6842           case SDL_FINGERDOWN:
6843           case SDL_MOUSEBUTTONDOWN:
6844             /* skip this step */
6845             i++;
6846             next = TRUE;
6847
6848             break;
6849
6850           case SDL_KEYDOWN:
6851             if (event.key.keysym.sym == KSYM_BackSpace ||
6852                 event.key.keysym.sym == KSYM_Back)
6853             {
6854               if (i == 0)
6855               {
6856                 /* leave screen */
6857                 success = FALSE;
6858                 done = TRUE;
6859               }
6860
6861               /* undo this step */
6862               prev_step = &steps[i - 1];
6863               strcpy(mapping, prev_step->mapping);
6864               i--;
6865               next = TRUE;
6866
6867               break;
6868             }
6869
6870             if (event.key.keysym.sym == KSYM_space ||
6871                 event.key.keysym.sym == KSYM_Return ||
6872                 event.key.keysym.sym == KSYM_Menu)
6873             {
6874               /* skip this step */
6875               i++;
6876               next = TRUE;
6877
6878               break;
6879             }
6880
6881             if (event.key.keysym.sym == KSYM_Escape)
6882             {
6883               /* leave screen */
6884               success = FALSE;
6885               done = TRUE;
6886             }
6887
6888             break;
6889
6890           case SDL_QUIT:
6891             program.exit_function(0);
6892             break;
6893
6894           default:
6895             break;
6896         }
6897
6898         // do not handle events for longer than standard frame delay period
6899         if (DelayReached(&event_frame_delay, event_frame_delay_value))
6900           break;
6901       }
6902     }
6903   }
6904
6905   if (success)
6906   {
6907 #if DEBUG_JOYSTICKS
6908     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
6909 #endif
6910
6911     // activate mapping for this game
6912     SDL_GameControllerAddMapping(mapping);
6913
6914     // save mapping to personal mappings
6915     SaveSetup_AddGameControllerMapping(mapping);
6916   }
6917
6918   /* wait until the last pending event was removed from event queue */
6919   while (NextValidEvent(&event));
6920
6921   return success;
6922 #else
6923   return TRUE;
6924 #endif
6925 }
6926
6927 static int ConfigureJoystickMain(int player_nr)
6928 {
6929   char *device_name = setup.input[player_nr].joy.device_name;
6930   int joystick_nr = getJoystickNrFromDeviceName(device_name);
6931   boolean joystick_active = CheckJoystickOpened(joystick_nr);
6932   int success = FALSE;
6933   int i;
6934
6935   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
6936     return JOYSTICK_NOT_AVAILABLE;
6937
6938   if (!joystick_active || !setup.input[player_nr].use_joystick)
6939     return JOYSTICK_NOT_AVAILABLE;
6940
6941   FadeSetEnterMenu();
6942   FadeOut(REDRAW_FIELD);
6943
6944   // close all joystick devices (potentially opened as game controllers)
6945   for (i = 0; i < SDL_NumJoysticks(); i++)
6946     SDLCloseJoystick(i);
6947
6948   // open joystick device as plain joystick to configure as game controller
6949   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
6950
6951   // as the joystick was successfully opened before, this should not happen
6952   if (joystick == NULL)
6953     return FALSE;
6954
6955   // create new game controller mapping (buttons and axes) for joystick device
6956   success = ConfigureJoystickMapButtonsAndAxes(joystick);
6957
6958   // close joystick (and maybe re-open as configured game controller later)
6959   SDL_JoystickClose(joystick);
6960
6961   // re-open all joystick devices (potentially as game controllers)
6962   for (i = 0; i < SDL_NumJoysticks(); i++)
6963     SDLOpenJoystick(i);
6964
6965   // clear all joystick input actions for all joystick devices
6966   SDLClearJoystickState();
6967
6968   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
6969 }
6970
6971 void ConfigureJoystick(int player_nr)
6972 {
6973   boolean state = ConfigureJoystickMain(player_nr);
6974
6975   if (state != JOYSTICK_NOT_CONFIGURED)
6976   {
6977     boolean success = (state == JOYSTICK_CONFIGURED);
6978     char *message = (success ? " IS CONFIGURED! " : " NOT AVAILABLE! ");
6979     char *device_name = setup.input[player_nr].joy.device_name;
6980     int nr = getJoystickNrFromDeviceName(device_name) + 1;
6981     int xpos = mSX - SX;
6982     int ypos = mSY - SY;
6983     unsigned int wait_frame_delay = 0;
6984     unsigned int wait_frame_delay_value = 2000;
6985
6986     ResetDelayCounter(&wait_frame_delay);
6987
6988     ClearField();
6989
6990     DrawTextF(xpos + 16, ypos + 6 * 32, FONT_TITLE_1, "   JOYSTICK %d   ", nr);
6991     DrawTextF(xpos + 16, ypos + 7 * 32, FONT_TITLE_1, message);
6992
6993     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
6994       BackToFront();
6995
6996     ClearEventQueue();
6997   }
6998
6999   DrawSetupScreen_Input();
7000 }
7001
7002 void DrawSetupScreen()
7003 {
7004   if (setup_mode == SETUP_MODE_INPUT)
7005     DrawSetupScreen_Input();
7006   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
7007     DrawChooseTree(&game_speed_current);
7008   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
7009     DrawChooseTree(&scroll_delay_current);
7010   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
7011     DrawChooseTree(&snapshot_mode_current);
7012   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7013     DrawChooseTree(&window_size_current);
7014   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
7015     DrawChooseTree(&scaling_type_current);
7016   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
7017     DrawChooseTree(&rendering_mode_current);
7018   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
7019     DrawChooseTree(&artwork.gfx_current);
7020   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
7021     DrawChooseTree(&artwork.snd_current);
7022   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
7023     DrawChooseTree(&artwork.mus_current);
7024   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
7025     DrawChooseTree(&volume_simple_current);
7026   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
7027     DrawChooseTree(&volume_loops_current);
7028   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
7029     DrawChooseTree(&volume_music_current);
7030   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
7031     DrawChooseTree(&touch_control_current);
7032   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
7033     DrawChooseTree(&move_distance_current);
7034   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
7035     DrawChooseTree(&drop_distance_current);
7036   else
7037     DrawSetupScreen_Generic();
7038
7039   PlayMenuSoundsAndMusic();
7040 }
7041
7042 void RedrawSetupScreenAfterFullscreenToggle()
7043 {
7044   if (setup_mode == SETUP_MODE_GRAPHICS ||
7045       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7046   {
7047     // update list selection from "setup.window_scaling_percent"
7048     execSetupGraphics_setWindowSizes(TRUE);
7049
7050     DrawSetupScreen();
7051   }
7052 }
7053
7054 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
7055 {
7056   if (setup_mode == SETUP_MODE_INPUT)
7057     HandleSetupScreen_Input(mx, my, dx, dy, button);
7058   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
7059     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
7060   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
7061     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
7062   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
7063     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
7064   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
7065     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
7066   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
7067     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
7068   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
7069     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
7070   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
7071     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
7072   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
7073     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
7074   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
7075     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
7076   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
7077     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
7078   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
7079     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
7080   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
7081     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
7082   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
7083     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
7084   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
7085     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
7086   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
7087     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
7088   else
7089     HandleSetupScreen_Generic(mx, my, dx, dy, button);
7090 }
7091
7092 void HandleGameActions()
7093 {
7094   if (game.restart_game_message != NULL)
7095     RequestRestartGame(game.restart_game_message);
7096
7097   if (game_status != GAME_MODE_PLAYING)
7098     return;
7099
7100   GameActions();        /* main game loop */
7101
7102   if (tape.auto_play && !tape.playing)
7103     AutoPlayTape();     /* continue automatically playing next tape */
7104 }
7105
7106
7107 /* ---------- new screen button stuff -------------------------------------- */
7108
7109 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
7110 {
7111   switch (gadget_id)
7112   {
7113     case SCREEN_CTRL_ID_PREV_LEVEL:
7114       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
7115       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
7116       break;
7117
7118     case SCREEN_CTRL_ID_NEXT_LEVEL:
7119       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
7120       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
7121       break;
7122
7123     case SCREEN_CTRL_ID_PREV_PLAYER:
7124       *x = mSX + TILEX * 10;
7125       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
7126       break;
7127
7128     case SCREEN_CTRL_ID_NEXT_PLAYER:
7129       *x = mSX + TILEX * 12;
7130       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
7131       break;
7132
7133     default:
7134       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
7135   }
7136 }
7137
7138 static struct
7139 {
7140   int gfx_unpressed, gfx_pressed;
7141   void (*get_gadget_position)(int *, int *, int);
7142   int gadget_id;
7143   int screen_mask;
7144   char *infotext;
7145 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
7146 {
7147   {
7148     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
7149     getScreenMenuButtonPos,
7150     SCREEN_CTRL_ID_PREV_LEVEL,
7151     SCREEN_MASK_MAIN,
7152     "last level"
7153   },
7154   {
7155     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
7156     getScreenMenuButtonPos,
7157     SCREEN_CTRL_ID_NEXT_LEVEL,
7158     SCREEN_MASK_MAIN,
7159     "next level"
7160   },
7161   {
7162     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
7163     getScreenMenuButtonPos,
7164     SCREEN_CTRL_ID_PREV_PLAYER,
7165     SCREEN_MASK_INPUT,
7166     "last player"
7167   },
7168   {
7169     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
7170     getScreenMenuButtonPos,
7171     SCREEN_CTRL_ID_NEXT_PLAYER,
7172     SCREEN_MASK_INPUT,
7173     "next player"
7174   },
7175 };
7176
7177 static struct
7178 {
7179   int gfx_unpressed, gfx_pressed;
7180   int x, y;
7181   int gadget_id;
7182   char *infotext;
7183 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
7184 {
7185   {
7186     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
7187     -1, -1,     /* these values are not constant, but can change at runtime */
7188     SCREEN_CTRL_ID_SCROLL_UP,
7189     "scroll up"
7190   },
7191   {
7192     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
7193     -1, -1,     /* these values are not constant, but can change at runtime */
7194     SCREEN_CTRL_ID_SCROLL_DOWN,
7195     "scroll down"
7196   }
7197 };
7198
7199 static struct
7200 {
7201   int gfx_unpressed, gfx_pressed;
7202   int x, y;
7203   int width, height;
7204   int type;
7205   int gadget_id;
7206   char *infotext;
7207 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
7208 {
7209   {
7210     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
7211     -1, -1,     /* these values are not constant, but can change at runtime */
7212     -1, -1,     /* these values are not constant, but can change at runtime */
7213     GD_TYPE_SCROLLBAR_VERTICAL,
7214     SCREEN_CTRL_ID_SCROLL_VERTICAL,
7215     "scroll level series vertically"
7216   }
7217 };
7218
7219 static void CreateScreenMenubuttons()
7220 {
7221   struct GadgetInfo *gi;
7222   unsigned int event_mask;
7223   int i;
7224
7225   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
7226   {
7227     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
7228     int gfx_unpressed, gfx_pressed;
7229     int x, y, width, height;
7230     int gd_x1, gd_x2, gd_y1, gd_y2;
7231     int id = menubutton_info[i].gadget_id;
7232
7233     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7234
7235     menubutton_info[i].get_gadget_position(&x, &y, id);
7236
7237     width = SC_MENUBUTTON_XSIZE;
7238     height = SC_MENUBUTTON_YSIZE;
7239
7240     gfx_unpressed = menubutton_info[i].gfx_unpressed;
7241     gfx_pressed   = menubutton_info[i].gfx_pressed;
7242     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
7243     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
7244     gd_x1 = graphic_info[gfx_unpressed].src_x;
7245     gd_y1 = graphic_info[gfx_unpressed].src_y;
7246     gd_x2 = graphic_info[gfx_pressed].src_x;
7247     gd_y2 = graphic_info[gfx_pressed].src_y;
7248
7249     gi = CreateGadget(GDI_CUSTOM_ID, id,
7250                       GDI_CUSTOM_TYPE_ID, i,
7251                       GDI_INFO_TEXT, menubutton_info[i].infotext,
7252                       GDI_X, x,
7253                       GDI_Y, y,
7254                       GDI_WIDTH, width,
7255                       GDI_HEIGHT, height,
7256                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7257                       GDI_STATE, GD_BUTTON_UNPRESSED,
7258                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
7259                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
7260                       GDI_DIRECT_DRAW, FALSE,
7261                       GDI_EVENT_MASK, event_mask,
7262                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
7263                       GDI_END);
7264
7265     if (gi == NULL)
7266       Error(ERR_EXIT, "cannot create gadget");
7267
7268     screen_gadget[id] = gi;
7269   }
7270 }
7271
7272 static void CreateScreenScrollbuttons()
7273 {
7274   struct GadgetInfo *gi;
7275   unsigned int event_mask;
7276   int i;
7277
7278   /* these values are not constant, but can change at runtime */
7279   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
7280   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
7281   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
7282   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
7283
7284   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
7285   {
7286     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
7287     int gfx_unpressed, gfx_pressed;
7288     int x, y, width, height;
7289     int gd_x1, gd_x2, gd_y1, gd_y2;
7290     int id = scrollbutton_info[i].gadget_id;
7291
7292     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7293
7294     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
7295     y = mSY + scrollbutton_info[i].y;
7296     width = SC_SCROLLBUTTON_XSIZE;
7297     height = SC_SCROLLBUTTON_YSIZE;
7298
7299     /* correct scrollbar position if placed outside menu (playfield) area */
7300     if (x > SX + SC_SCROLL_UP_XPOS)
7301       x = SX + SC_SCROLL_UP_XPOS;
7302
7303     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
7304       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
7305                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
7306
7307     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
7308     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
7309     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
7310     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
7311     gd_x1 = graphic_info[gfx_unpressed].src_x;
7312     gd_y1 = graphic_info[gfx_unpressed].src_y;
7313     gd_x2 = graphic_info[gfx_pressed].src_x;
7314     gd_y2 = graphic_info[gfx_pressed].src_y;
7315
7316     gi = CreateGadget(GDI_CUSTOM_ID, id,
7317                       GDI_CUSTOM_TYPE_ID, i,
7318                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7319                       GDI_X, x,
7320                       GDI_Y, y,
7321                       GDI_WIDTH, width,
7322                       GDI_HEIGHT, height,
7323                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7324                       GDI_STATE, GD_BUTTON_UNPRESSED,
7325                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
7326                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
7327                       GDI_DIRECT_DRAW, FALSE,
7328                       GDI_EVENT_MASK, event_mask,
7329                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
7330                       GDI_END);
7331
7332     if (gi == NULL)
7333       Error(ERR_EXIT, "cannot create gadget");
7334
7335     screen_gadget[id] = gi;
7336   }
7337 }
7338
7339 static void CreateScreenScrollbars()
7340 {
7341   int i;
7342
7343   /* these values are not constant, but can change at runtime */
7344   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
7345   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
7346   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
7347   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
7348
7349   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
7350   {
7351     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
7352     int gfx_unpressed, gfx_pressed;
7353     int x, y, width, height;
7354     int gd_x1, gd_x2, gd_y1, gd_y2;
7355     struct GadgetInfo *gi;
7356     int items_max, items_visible, item_position;
7357     unsigned int event_mask;
7358     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
7359     int id = scrollbar_info[i].gadget_id;
7360
7361     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7362
7363     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
7364     y = mSY + scrollbar_info[i].y;
7365     width  = scrollbar_info[i].width;
7366     height = scrollbar_info[i].height;
7367
7368     /* correct scrollbar position if placed outside menu (playfield) area */
7369     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
7370       x = SX + SC_SCROLL_VERTICAL_XPOS;
7371
7372     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
7373       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
7374
7375     items_max = num_page_entries;
7376     items_visible = num_page_entries;
7377     item_position = 0;
7378
7379     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
7380     gfx_pressed   = scrollbar_info[i].gfx_pressed;
7381     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
7382     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
7383     gd_x1 = graphic_info[gfx_unpressed].src_x;
7384     gd_y1 = graphic_info[gfx_unpressed].src_y;
7385     gd_x2 = graphic_info[gfx_pressed].src_x;
7386     gd_y2 = graphic_info[gfx_pressed].src_y;
7387
7388     gi = CreateGadget(GDI_CUSTOM_ID, id,
7389                       GDI_CUSTOM_TYPE_ID, i,
7390                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7391                       GDI_X, x,
7392                       GDI_Y, y,
7393                       GDI_WIDTH, width,
7394                       GDI_HEIGHT, height,
7395                       GDI_TYPE, scrollbar_info[i].type,
7396                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7397                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7398                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7399                       GDI_WHEEL_AREA_X, SX,
7400                       GDI_WHEEL_AREA_Y, SY,
7401                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
7402                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
7403                       GDI_STATE, GD_BUTTON_UNPRESSED,
7404                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
7405                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
7406                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
7407                       GDI_DIRECT_DRAW, FALSE,
7408                       GDI_EVENT_MASK, event_mask,
7409                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
7410                       GDI_END);
7411
7412     if (gi == NULL)
7413       Error(ERR_EXIT, "cannot create gadget");
7414
7415     screen_gadget[id] = gi;
7416   }
7417 }
7418
7419 void CreateScreenGadgets()
7420 {
7421   CreateScreenMenubuttons();
7422
7423   CreateScreenScrollbuttons();
7424   CreateScreenScrollbars();
7425 }
7426
7427 void FreeScreenGadgets()
7428 {
7429   int i;
7430
7431   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
7432     FreeGadget(screen_gadget[i]);
7433 }
7434
7435 void MapScreenMenuGadgets(int screen_mask)
7436 {
7437   int i;
7438
7439   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
7440     if (screen_mask & menubutton_info[i].screen_mask)
7441       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
7442 }
7443
7444 void MapScreenGadgets(int num_entries)
7445 {
7446   int i;
7447
7448   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
7449     return;
7450
7451   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
7452     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
7453
7454   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
7455     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
7456 }
7457
7458 void MapScreenTreeGadgets(TreeInfo *ti)
7459 {
7460   MapScreenGadgets(numTreeInfoInGroup(ti));
7461 }
7462
7463 static void HandleScreenGadgets(struct GadgetInfo *gi)
7464 {
7465   int id = gi->custom_id;
7466   int button = gi->event.button;
7467   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
7468
7469   switch (id)
7470   {
7471     case SCREEN_CTRL_ID_PREV_LEVEL:
7472       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
7473       break;
7474
7475     case SCREEN_CTRL_ID_NEXT_LEVEL:
7476       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
7477       break;
7478
7479     case SCREEN_CTRL_ID_PREV_PLAYER:
7480       HandleSetupScreen_Input_Player(step, -1);
7481       break;
7482
7483     case SCREEN_CTRL_ID_NEXT_PLAYER:
7484       HandleSetupScreen_Input_Player(step, +1);
7485       break;
7486
7487     case SCREEN_CTRL_ID_SCROLL_UP:
7488       if (game_status == GAME_MODE_LEVELS)
7489         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7490       else if (game_status == GAME_MODE_LEVELNR)
7491         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7492       else if (game_status == GAME_MODE_SETUP)
7493         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7494       else if (game_status == GAME_MODE_INFO)
7495         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
7496       break;
7497
7498     case SCREEN_CTRL_ID_SCROLL_DOWN:
7499       if (game_status == GAME_MODE_LEVELS)
7500         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7501       else if (game_status == GAME_MODE_LEVELNR)
7502         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7503       else if (game_status == GAME_MODE_SETUP)
7504         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7505       else if (game_status == GAME_MODE_INFO)
7506         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
7507       break;
7508
7509     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
7510       if (game_status == GAME_MODE_LEVELS)
7511         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7512       else if (game_status == GAME_MODE_LEVELNR)
7513         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
7514       else if (game_status == GAME_MODE_SETUP)
7515         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7516       else if (game_status == GAME_MODE_INFO)
7517         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
7518       break;
7519
7520     default:
7521       break;
7522   }
7523 }