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_VSYNC         22
  72 #define SETUP_MODE_CHOOSE_GRAPHICS      23
  73 #define SETUP_MODE_CHOOSE_SOUNDS        24
  74 #define SETUP_MODE_CHOOSE_MUSIC         25
  75 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 26
  76 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  27
  77 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  28
  78 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 29
  79 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 30
  80 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 31
  81 #define SETUP_MODE_CHOOSE_TRANSPARENCY  32
  82 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  33
  83 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  34
  84 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  35
  85 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  36
  86 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  37
  87
  88 #define MAX_SETUP_MODES                 38
  89
  90 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
  91
  92 /* setup screen titles */
  93 #define STR_SETUP_MAIN                  "Setup"
  94 #define STR_SETUP_GAME                  "Game & Menu"
  95 #define STR_SETUP_EDITOR                "Editor"
  96 #define STR_SETUP_GRAPHICS              "Graphics"
  97 #define STR_SETUP_SOUND                 "Sound & Music"
  98 #define STR_SETUP_ARTWORK               "Custom Artwork"
  99 #define STR_SETUP_INPUT                 "Input Devices"
 100 #define STR_SETUP_TOUCH                 "Touch Controls"
 101 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
 102 #define STR_SETUP_EXIT                  "Exit"
 103 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
 104
 105 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
 106 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
 107 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
 108 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
 109 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
 110 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
 111 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
 112 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
 113 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
 114 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
 115 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
 116 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
 117 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
 118 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
 119 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
 120 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
 121 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
 122 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
 123
 124 /* for input setup functions */
 125 #define SETUPINPUT_SCREEN_POS_START     0
 126 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
 127 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
 128 #define SETUPINPUT_SCREEN_POS_END       13
 129
 130 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
 131 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
 132
 133 #define MAX_SETUP_TEXT_INPUT_LEN        28
 134
 135 /* for various menu stuff  */
 136 #define MENU_SCREEN_START_XPOS          1
 137 #define MENU_SCREEN_START_YPOS          2
 138 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
 139 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
 140 #define MENU_TITLE1_YPOS                8
 141 #define MENU_TITLE2_YPOS                46
 142 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
 143 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
 144 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
 145 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
 146 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
 147 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
 148 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
 149 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
 150 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
 151 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
 152 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
 153                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
 154                                                          MENU_INFO_FONT_TITLE))
 155 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
 156 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
 157 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
 158                                          MENU_SCREEN_INFO_YSTART2 -     \
 159                                          TILEY / 2)
 160 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
 161 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
 162                                          MENU_SCREEN_INFO_YSTEP)
 163 #define NUM_INFO_ELEMENTS_FROM_CONF     \
 164   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
 165    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
 166    MAX_MENU_ENTRIES_ON_SCREEN)
 167 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
 168                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
 169                                             NUM_INFO_ELEMENTS_FROM_CONF)
 170 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
 171 #define MAX_MENU_TEXT_LENGTH_BIG        13
 172 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
 173
 174 /* screen gadget identifiers */
 175 #define SCREEN_CTRL_ID_PREV_LEVEL       0
 176 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
 177 #define SCREEN_CTRL_ID_PREV_PLAYER      2
 178 #define SCREEN_CTRL_ID_NEXT_PLAYER      3
 179 #define SCREEN_CTRL_ID_INSERT_SOLUTION  4
 180 #define SCREEN_CTRL_ID_PLAY_SOLUTION    5
 181 #define SCREEN_CTRL_ID_SCROLL_UP        6
 182 #define SCREEN_CTRL_ID_SCROLL_DOWN      7
 183 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  8
 184 #define SCREEN_CTRL_ID_NETWORK_SERVER   9
 185
 186 #define NUM_SCREEN_GADGETS              10
 187
 188 #define NUM_SCREEN_MENUBUTTONS          6
 189 #define NUM_SCREEN_SCROLLBUTTONS        2
 190 #define NUM_SCREEN_SCROLLBARS           1
 191 #define NUM_SCREEN_TEXTINPUT            1
 192
 193 #define SCREEN_MASK_MAIN                (1 << 0)
 194 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
 195 #define SCREEN_MASK_INPUT               (1 << 2)
 196
 197 /* graphic position and size values for buttons and scrollbars */
 198 #define SC_MENUBUTTON_XSIZE             TILEX
 199 #define SC_MENUBUTTON_YSIZE             TILEY
 200
 201 #define SC_SCROLLBUTTON_XSIZE           TILEX
 202 #define SC_SCROLLBUTTON_YSIZE           TILEY
 203
 204 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
 205
 206 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
 207 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
 208                                          SC_SCROLLBUTTON_YSIZE)
 209
 210 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
 211 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
 212
 213 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
 214 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
 215                                          SC_SCROLLBUTTON_YSIZE)
 216
 217 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
 218 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
 219                                          SC_SCROLL_VERTICAL_YSIZE)
 220
 221 #define SC_BORDER_SIZE                  14
 222
 223
 224 /* forward declarations of internal functions */
 225 static void HandleScreenGadgets(struct GadgetInfo *);
 226 static void HandleSetupScreen_Generic(int, int, int, int, int);
 227 static void HandleSetupScreen_Input(int, int, int, int, int);
 228 static void CustomizeKeyboard(int);
 229 static void ConfigureJoystick(int);
 230 static void ConfigureVirtualButtons(void);
 231 static void execSetupGame(void);
 232 static void execSetupGraphics(void);
 233 static void execSetupSound(void);
 234 static void execSetupTouch(void);
 235 static void execSetupArtwork(void);
 236 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
 237
 238 static void DrawChooseLevelSet(void);
 239 static void DrawChooseLevelNr(void);
 240 static void DrawInfoScreen(void);
 241 static void DrawSetupScreen(void);
 242
 243 static void DrawInfoScreen_NotAvailable(char *, char *);
 244 static void DrawInfoScreen_HelpAnim(int, int, boolean);
 245 static void DrawInfoScreen_HelpText(int, int, int, int);
 246 static void HandleInfoScreen_Main(int, int, int, int, int);
 247 static void HandleInfoScreen_TitleScreen(int);
 248 static void HandleInfoScreen_Elements(int);
 249 static void HandleInfoScreen_Music(int);
 250 static void HandleInfoScreen_Credits(int);
 251 static void HandleInfoScreen_Program(int);
 252 static void HandleInfoScreen_Version(int);
 253
 254 static void MapScreenMenuGadgets(int);
 255 static void MapScreenGadgets(int);
 256 static void MapScreenTreeGadgets(TreeInfo *);
 257
 258 static void UpdateScreenMenuGadgets(int, boolean);
 259
 260 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
 261
 262 static int info_mode = INFO_MODE_MAIN;
 263 static int setup_mode = SETUP_MODE_MAIN;
 264
 265 static TreeInfo *window_sizes = NULL;
 266 static TreeInfo *window_size_current = NULL;
 267
 268 static TreeInfo *scaling_types = NULL;
 269 static TreeInfo *scaling_type_current = NULL;
 270
 271 static TreeInfo *rendering_modes = NULL;
 272 static TreeInfo *rendering_mode_current = NULL;
 273
 274 static TreeInfo *vsync_modes = NULL;
 275 static TreeInfo *vsync_mode_current = NULL;
 276
 277 static TreeInfo *scroll_delays = NULL;
 278 static TreeInfo *scroll_delay_current = NULL;
 279
 280 static TreeInfo *snapshot_modes = NULL;
 281 static TreeInfo *snapshot_mode_current = NULL;
 282
 283 static TreeInfo *game_speeds = NULL;
 284 static TreeInfo *game_speed_current = NULL;
 285
 286 static TreeInfo *volumes_simple = NULL;
 287 static TreeInfo *volume_simple_current = NULL;
 288
 289 static TreeInfo *volumes_loops = NULL;
 290 static TreeInfo *volume_loops_current = NULL;
 291
 292 static TreeInfo *volumes_music = NULL;
 293 static TreeInfo *volume_music_current = NULL;
 294
 295 static TreeInfo *touch_controls = NULL;
 296 static TreeInfo *touch_control_current = NULL;
 297
 298 static TreeInfo *move_distances = NULL;
 299 static TreeInfo *move_distance_current = NULL;
 300
 301 static TreeInfo *drop_distances = NULL;
 302 static TreeInfo *drop_distance_current = NULL;
 303
 304 static TreeInfo *transparencies = NULL;
 305 static TreeInfo *transparency_current = NULL;
 306
 307 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
 308 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
 309
 310 static TreeInfo *level_number = NULL;
 311 static TreeInfo *level_number_current = NULL;
 312
 313 static struct
 314 {
 315   int value;
 316   char *text;
 317 } window_sizes_list[] =
 318 {
 319   {     50,     "50 %"                          },
 320   {     80,     "80 %"                          },
 321   {     90,     "90 %"                          },
 322   {     100,    "100 % (Default)"               },
 323   {     110,    "110 %"                         },
 324   {     120,    "120 %"                         },
 325   {     130,    "130 %"                         },
 326   {     140,    "140 %"                         },
 327   {     150,    "150 %"                         },
 328   {     200,    "200 %"                         },
 329   {     250,    "250 %"                         },
 330   {     300,    "300 %"                         },
 331
 332   {     -1,     NULL                            },
 333 };
 334
 335 static struct
 336 {
 337   char *value;
 338   char *text;
 339 } scaling_types_list[] =
 340 {
 341   {     SCALING_QUALITY_NEAREST, "Off"          },
 342   {     SCALING_QUALITY_LINEAR,  "Linear"       },
 343   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
 344
 345   {     NULL,                    NULL           },
 346 };
 347
 348 static struct
 349 {
 350   char *value;
 351   char *text;
 352 } rendering_modes_list[] =
 353 {
 354   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
 355   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
 356 #if DEBUG
 357   // this mode may work under certain conditions, but does not work on Windows
 358   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
 359 #endif
 360   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
 361
 362   {     NULL,                            NULL                            },
 363 };
 364
 365 static struct
 366 {
 367   char *value;
 368   char *text;
 369 } vsync_modes_list[] =
 370 {
 371   {     STR_VSYNC_MODE_OFF,             "Off"           },
 372   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
 373   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
 374
 375   {     NULL,                            NULL           },
 376 };
 377
 378 static struct
 379 {
 380   int value;
 381   char *text;
 382 } game_speeds_list[] =
 383 {
 384 #if 1
 385   {     30,     "Very Slow"                     },
 386   {     25,     "Slow"                          },
 387   {     20,     "Normal"                        },
 388   {     15,     "Fast"                          },
 389   {     10,     "Very Fast"                     },
 390 #else
 391   {     1000,   "1/1s (Extremely Slow)"         },
 392   {     500,    "1/2s"                          },
 393   {     200,    "1/5s"                          },
 394   {     100,    "1/10s"                         },
 395   {     50,     "1/20s"                         },
 396   {     29,     "1/35s (Original Supaplex)"     },
 397   {     25,     "1/40s"                         },
 398   {     20,     "1/50s (Normal Speed)"          },
 399   {     14,     "1/70s (Maximum Supaplex)"      },
 400   {     10,     "1/100s"                        },
 401   {     5,      "1/200s"                        },
 402   {     2,      "1/500s"                        },
 403   {     1,      "1/1000s (Extremely Fast)"      },
 404 #endif
 405
 406   {     -1,     NULL                            },
 407 };
 408
 409 static struct
 410 {
 411   int value;
 412   char *text;
 413 } scroll_delays_list[] =
 414 {
 415   {     0,      "0 Tiles (No Scroll Delay)"     },
 416   {     1,      "1 Tile"                        },
 417   {     2,      "2 Tiles"                       },
 418   {     3,      "3 Tiles (Default)"             },
 419   {     4,      "4 Tiles"                       },
 420   {     5,      "5 Tiles"                       },
 421   {     6,      "6 Tiles"                       },
 422   {     7,      "7 Tiles"                       },
 423   {     8,      "8 Tiles (Maximum Scroll Delay)"},
 424
 425   {     -1,     NULL                            },
 426 };
 427
 428 static struct
 429 {
 430   char *value;
 431   char *text;
 432 } snapshot_modes_list[] =
 433 {
 434   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
 435   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
 436   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
 437   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
 438
 439   {     NULL,                                   NULL            },
 440 };
 441
 442 static struct
 443 {
 444   int value;
 445   char *text;
 446 } volumes_list[] =
 447 {
 448   {     0,      "0 %"                           },
 449   {     1,      "1 %"                           },
 450   {     2,      "2 %"                           },
 451   {     5,      "5 %"                           },
 452   {     10,     "10 %"                          },
 453   {     20,     "20 %"                          },
 454   {     30,     "30 %"                          },
 455   {     40,     "40 %"                          },
 456   {     50,     "50 %"                          },
 457   {     60,     "60 %"                          },
 458   {     70,     "70 %"                          },
 459   {     80,     "80 %"                          },
 460   {     90,     "90 %"                          },
 461   {     100,    "100 %"                         },
 462
 463   {     -1,     NULL                            },
 464 };
 465
 466 static struct
 467 {
 468   char *value;
 469   char *text;
 470 } touch_controls_list[] =
 471 {
 472   {     TOUCH_CONTROL_OFF,              "Off"                   },
 473   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
 474   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
 475   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
 476
 477   {     NULL,                           NULL                    },
 478 };
 479
 480 static struct
 481 {
 482   int value;
 483   char *text;
 484 } distances_list[] =
 485 {
 486   {     1,      "1 %"                           },
 487   {     2,      "2 %"                           },
 488   {     3,      "3 %"                           },
 489   {     4,      "4 %"                           },
 490   {     5,      "5 %"                           },
 491   {     10,     "10 %"                          },
 492   {     15,     "15 %"                          },
 493   {     20,     "20 %"                          },
 494   {     25,     "25 %"                          },
 495
 496   {     -1,     NULL                            },
 497 };
 498
 499 static struct
 500 {
 501   int value;
 502   char *text;
 503 } transparencies_list[] =
 504 {
 505   {     0,      "0 % (Opaque)"                  },
 506   {     10,     "10 %"                          },
 507   {     20,     "20 %"                          },
 508   {     30,     "30 %"                          },
 509   {     40,     "40 %"                          },
 510   {     50,     "50 %"                          },
 511   {     60,     "60 %"                          },
 512   {     70,     "70 %"                          },
 513   {     80,     "80 %"                          },
 514   {     90,     "90 %"                          },
 515   {     100,    "100 % (Invisible)"             },
 516
 517   {     -1,     NULL                            },
 518 };
 519
 520 static struct
 521 {
 522   int value;
 523   char *text;
 524 } grid_sizes_list[] =
 525 {
 526   {     3,      "3"                             },
 527   {     4,      "4"                             },
 528   {     5,      "5"                             },
 529   {     6,      "6"                             },
 530   {     7,      "7"                             },
 531   {     8,      "8"                             },
 532   {     9,      "9"                             },
 533   {     10,     "10"                            },
 534   {     11,     "11"                            },
 535   {     12,     "12"                            },
 536   {     13,     "13"                            },
 537   {     14,     "14"                            },
 538   {     15,     "15"                            },
 539   {     16,     "16"                            },
 540   {     17,     "17"                            },
 541   {     18,     "18"                            },
 542   {     19,     "19"                            },
 543   {     20,     "20"                            },
 544   {     21,     "21"                            },
 545   {     22,     "22"                            },
 546   {     23,     "23"                            },
 547   {     24,     "24"                            },
 548   {     25,     "25"                            },
 549   {     26,     "26"                            },
 550   {     27,     "27"                            },
 551   {     28,     "28"                            },
 552   {     29,     "29"                            },
 553   {     30,     "30"                            },
 554   {     31,     "31"                            },
 555   {     32,     "32"                            },
 556
 557   {     -1,     NULL                            },
 558 };
 559
 560 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
 561                                  (s) <= GAME_MODE_SETUP ? (s) :         \
 562                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
 563                                  GAME_MODE_MAIN : GAME_MODE_DEFAULT)
 564
 565 /* (there are no draw offset definitions needed for INFO_MODE_TITLE) */
 566 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
 567                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
 568                                  INFO_MODE_MAIN)
 569
 570 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
 571                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
 572                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
 573                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
 574                                  SETUP_MODE_CHOOSE_ARTWORK :            \
 575                                  SETUP_MODE_CHOOSE_OTHER)
 576
 577 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 578                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
 579                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
 580 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
 581                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
 582                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
 583 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
 584                                  menu.extra_spacing[GAME_MODE_INFO] :   \
 585                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
 586
 587 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 588                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
 589                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
 590 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 591                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
 592                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
 593 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
 594                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
 595                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
 596
 597 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 598                                  DRAW_XOFFSET_INFO(info_mode) :         \
 599                                  (s) == GAME_MODE_SETUP ?               \
 600                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
 601                                  menu.draw_xoffset[DRAW_MODE(s)])
 602 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
 603                                  DRAW_YOFFSET_INFO(info_mode) :         \
 604                                  (s) == GAME_MODE_SETUP ?               \
 605                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
 606                                  menu.draw_yoffset[DRAW_MODE(s)])
 607 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
 608                                  EXTRA_SPACING_INFO(info_mode) :        \
 609                                  (s) == GAME_MODE_SETUP ?               \
 610                                  EXTRA_SPACING_SETUP(setup_mode) :      \
 611                                  menu.extra_spacing[DRAW_MODE(s)])
 612
 613 #define mSX                     (SX + DRAW_XOFFSET(game_status))
 614 #define mSY                     (SY + DRAW_YOFFSET(game_status))
 615
 616 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
 617                                     menu.list_size[game_status] :       \
 618                                     MAX_MENU_ENTRIES_ON_SCREEN)
 619
 620 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
 621                                          NUM_MENU_ENTRIES_ON_SCREEN)
 622
 623
 624 /* title display and control definitions */
 625
 626 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
 627                                  2 * MAX_NUM_TITLE_MESSAGES)
 628
 629 #define NO_DIRECT_LEVEL_SELECT  (-1)
 630
 631
 632 static int num_title_screens = 0;
 633
 634 struct TitleControlInfo
 635 {
 636   boolean is_image;
 637   boolean initial;
 638   boolean first;
 639   int local_nr;
 640   int sort_priority;
 641 };
 642
 643 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
 644
 645 /* main menu display and control definitions */
 646
 647 #define MAIN_CONTROL_NAME                       0
 648 #define MAIN_CONTROL_LEVELS                     1
 649 #define MAIN_CONTROL_SCORES                     2
 650 #define MAIN_CONTROL_EDITOR                     3
 651 #define MAIN_CONTROL_INFO                       4
 652 #define MAIN_CONTROL_GAME                       5
 653 #define MAIN_CONTROL_SETUP                      6
 654 #define MAIN_CONTROL_QUIT                       7
 655 #define MAIN_CONTROL_PREV_LEVEL                 8
 656 #define MAIN_CONTROL_NEXT_LEVEL                 9
 657 #define MAIN_CONTROL_FIRST_LEVEL                10
 658 #define MAIN_CONTROL_LAST_LEVEL                 11
 659 #define MAIN_CONTROL_LEVEL_NUMBER               12
 660 #define MAIN_CONTROL_LEVEL_INFO_1               13
 661 #define MAIN_CONTROL_LEVEL_INFO_2               14
 662 #define MAIN_CONTROL_LEVEL_NAME                 15
 663 #define MAIN_CONTROL_LEVEL_AUTHOR               16
 664 #define MAIN_CONTROL_LEVEL_YEAR                 17
 665 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
 666 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
 667 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
 668 #define MAIN_CONTROL_TITLE_1                    21
 669 #define MAIN_CONTROL_TITLE_2                    22
 670 #define MAIN_CONTROL_TITLE_3                    23
 671
 672 static char str_main_text_name[10];
 673 static char str_main_text_first_level[10];
 674 static char str_main_text_last_level[10];
 675 static char str_main_text_level_number[10];
 676
 677 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
 678
 679 static char *main_text_name                     = str_main_text_name;
 680 static char *main_text_first_level              = str_main_text_first_level;
 681 static char *main_text_last_level               = str_main_text_last_level;
 682 static char *main_text_level_number             = str_main_text_level_number;
 683 static char *main_text_levels                   = "Levelset";
 684 static char *main_text_scores                   = "Hall Of Fame";
 685 static char *main_text_editor                   = "Level Creator";
 686 static char *main_text_info                     = "Info Screen";
 687 static char *main_text_game                     = "Start Game";
 688 static char *main_text_setup                    = "Setup";
 689 static char *main_text_quit                     = "Quit";
 690 static char *main_text_level_name               = level.name;
 691 static char *main_text_level_author             = level.author;
 692 static char *main_text_level_year               = NULL;
 693 static char *main_text_level_imported_from      = NULL;
 694 static char *main_text_level_imported_by        = NULL;
 695 static char *main_text_level_tested_by          = NULL;
 696 static char *main_text_title_1                  = NULL;
 697 static char *main_text_title_2                  = NULL;
 698 static char *main_text_title_3                  = NULL;
 699
 700 struct MainControlInfo
 701 {
 702   int nr;
 703
 704   struct MenuPosInfo *pos_button;
 705   int button_graphic;
 706
 707   struct TextPosInfo *pos_text;
 708   char **text;
 709
 710   struct TextPosInfo *pos_input;
 711   char **input;
 712 };
 713
 714 static struct MainControlInfo main_controls[] =
 715 {
 716   {
 717     MAIN_CONTROL_NAME,
 718     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
 719     &menu.main.text.name,               &main_text_name,
 720     &menu.main.input.name,              &setup.player_name,
 721   },
 722   {
 723     MAIN_CONTROL_LEVELS,
 724     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
 725     &menu.main.text.levels,             &main_text_levels,
 726     NULL,                               NULL,
 727   },
 728   {
 729     MAIN_CONTROL_SCORES,
 730     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
 731     &menu.main.text.scores,             &main_text_scores,
 732     NULL,                               NULL,
 733   },
 734   {
 735     MAIN_CONTROL_EDITOR,
 736     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
 737     &menu.main.text.editor,             &main_text_editor,
 738     NULL,                               NULL,
 739   },
 740   {
 741     MAIN_CONTROL_INFO,
 742     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
 743     &menu.main.text.info,               &main_text_info,
 744     NULL,                               NULL,
 745   },
 746   {
 747     MAIN_CONTROL_GAME,
 748     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
 749     &menu.main.text.game,               &main_text_game,
 750     NULL,                               NULL,
 751   },
 752   {
 753     MAIN_CONTROL_SETUP,
 754     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
 755     &menu.main.text.setup,              &main_text_setup,
 756     NULL,                               NULL,
 757   },
 758   {
 759     MAIN_CONTROL_QUIT,
 760     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
 761     &menu.main.text.quit,               &main_text_quit,
 762     NULL,                               NULL,
 763   },
 764 #if 0
 765   /* (these two buttons are real gadgets) */
 766   {
 767     MAIN_CONTROL_PREV_LEVEL,
 768     &menu.main.button.prev_level,       IMG_MENU_BUTTON_PREV_LEVEL,
 769     NULL,                               NULL,
 770     NULL,                               NULL,
 771   },
 772   {
 773     MAIN_CONTROL_NEXT_LEVEL,
 774     &menu.main.button.next_level,       IMG_MENU_BUTTON_NEXT_LEVEL,
 775     NULL,                               NULL,
 776     NULL,                               NULL,
 777   },
 778 #endif
 779   {
 780     MAIN_CONTROL_FIRST_LEVEL,
 781     &menu.main.button.first_level,      IMG_MENU_BUTTON_FIRST_LEVEL,
 782     &menu.main.text.first_level,        &main_text_first_level,
 783     NULL,                               NULL,
 784   },
 785   {
 786     MAIN_CONTROL_LAST_LEVEL,
 787     &menu.main.button.last_level,       IMG_MENU_BUTTON_LAST_LEVEL,
 788     &menu.main.text.last_level,         &main_text_last_level,
 789     NULL,                               NULL,
 790   },
 791   {
 792     MAIN_CONTROL_LEVEL_NUMBER,
 793     &menu.main.button.level_number,     IMG_MENU_BUTTON_LEVEL_NUMBER,
 794     &menu.main.text.level_number,       &main_text_level_number,
 795     NULL,                               NULL,
 796   },
 797   {
 798     MAIN_CONTROL_LEVEL_INFO_1,
 799     NULL,                               -1,
 800     &menu.main.text.level_info_1,       NULL,
 801     NULL,                               NULL,
 802   },
 803   {
 804     MAIN_CONTROL_LEVEL_INFO_2,
 805     NULL,                               -1,
 806     &menu.main.text.level_info_2,       NULL,
 807     NULL,                               NULL,
 808   },
 809   {
 810     MAIN_CONTROL_LEVEL_NAME,
 811     NULL,                               -1,
 812     &menu.main.text.level_name,         &main_text_level_name,
 813     NULL,                               NULL,
 814   },
 815   {
 816     MAIN_CONTROL_LEVEL_AUTHOR,
 817     NULL,                               -1,
 818     &menu.main.text.level_author,       &main_text_level_author,
 819     NULL,                               NULL,
 820   },
 821   {
 822     MAIN_CONTROL_LEVEL_YEAR,
 823     NULL,                               -1,
 824     &menu.main.text.level_year,         &main_text_level_year,
 825     NULL,                               NULL,
 826   },
 827   {
 828     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
 829     NULL,                               -1,
 830     &menu.main.text.level_imported_from, &main_text_level_imported_from,
 831     NULL,                               NULL,
 832   },
 833   {
 834     MAIN_CONTROL_LEVEL_IMPORTED_BY,
 835     NULL,                               -1,
 836     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
 837     NULL,                               NULL,
 838   },
 839   {
 840     MAIN_CONTROL_LEVEL_TESTED_BY,
 841     NULL,                               -1,
 842     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
 843     NULL,                               NULL,
 844   },
 845   {
 846     MAIN_CONTROL_TITLE_1,
 847     NULL,                               -1,
 848     &menu.main.text.title_1,            &main_text_title_1,
 849     NULL,                               NULL,
 850   },
 851   {
 852     MAIN_CONTROL_TITLE_2,
 853     NULL,                               -1,
 854     &menu.main.text.title_2,            &main_text_title_2,
 855     NULL,                               NULL,
 856   },
 857   {
 858     MAIN_CONTROL_TITLE_3,
 859     NULL,                               -1,
 860     &menu.main.text.title_3,            &main_text_title_3,
 861     NULL,                               NULL,
 862   },
 863
 864   {
 865     -1,
 866     NULL,                               -1,
 867     NULL,                               NULL,
 868     NULL,                               NULL,
 869   }
 870 };
 871
 872
 873 static int getTitleScreenGraphic(int nr, boolean initial)
 874 {
 875   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
 876 }
 877
 878 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
 879 {
 880   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
 881 }
 882
 883 #if 0
 884 static int getTitleScreenGameMode(boolean initial)
 885 {
 886   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 887 }
 888 #endif
 889
 890 static int getTitleMessageGameMode(boolean initial)
 891 {
 892   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 893 }
 894
 895 static int getTitleAnimMode(struct TitleControlInfo *tci)
 896 {
 897   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
 898
 899   return base + tci->local_nr;
 900 }
 901
 902 #if 0
 903 static int getTitleScreenBackground(boolean initial)
 904 {
 905   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 906 }
 907 #endif
 908
 909 #if 0
 910 static int getTitleMessageBackground(int nr, boolean initial)
 911 {
 912   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
 913 }
 914 #endif
 915
 916 static int getTitleBackground(int nr, boolean initial, boolean is_image)
 917 {
 918   int base = (is_image ?
 919               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
 920                          IMG_BACKGROUND_TITLESCREEN_1) :
 921               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 922                          IMG_BACKGROUND_TITLEMESSAGE_1));
 923   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
 924                                   IMG_BACKGROUND_TITLE);
 925   int graphic_local = base + nr;
 926
 927   if (graphic_info[graphic_local].bitmap != NULL)
 928     return graphic_local;
 929
 930   if (graphic_info[graphic_global].bitmap != NULL)
 931     return graphic_global;
 932
 933   return IMG_UNDEFINED;
 934 }
 935
 936 static int getTitleSound(struct TitleControlInfo *tci)
 937 {
 938   boolean is_image = tci->is_image;
 939   int initial = tci->initial;
 940   int nr = tci->local_nr;
 941   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 942   int base = (is_image ?
 943               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
 944                          SND_BACKGROUND_TITLESCREEN_1) :
 945               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 946                          SND_BACKGROUND_TITLEMESSAGE_1));
 947   int sound_global = menu.sound[mode];
 948   int sound_local = base + nr;
 949
 950 #if 0
 951   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 952          nr, initial, is_image,
 953          sound_global, getSoundListEntry(sound_global)->filename,
 954          sound_local, getSoundListEntry(sound_local)->filename);
 955 #endif
 956
 957   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
 958     return sound_local;
 959
 960   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
 961     return sound_global;
 962
 963   return SND_UNDEFINED;
 964 }
 965
 966 static int getTitleMusic(struct TitleControlInfo *tci)
 967 {
 968   boolean is_image = tci->is_image;
 969   int initial = tci->initial;
 970   int nr = tci->local_nr;
 971   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
 972   int base = (is_image ?
 973               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
 974                          MUS_BACKGROUND_TITLESCREEN_1) :
 975               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
 976                          MUS_BACKGROUND_TITLEMESSAGE_1));
 977   int music_global = menu.music[mode];
 978   int music_local = base + nr;
 979
 980 #if 0
 981   printf("::: %d, %d, %d: %d ['%s'], %d ['%s']\n",
 982          nr, initial, is_image,
 983          music_global, getMusicListEntry(music_global)->filename,
 984          music_local, getMusicListEntry(music_local)->filename);
 985 #endif
 986
 987   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
 988     return music_local;
 989
 990   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
 991     return music_global;
 992
 993   return MUS_UNDEFINED;
 994 }
 995
 996 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
 997 {
 998   boolean is_image = tci->is_image;
 999   boolean initial = tci->initial;
1000   boolean first = tci->first;
1001   int nr = tci->local_nr;
1002   struct TitleMessageInfo tmi;
1003   struct TitleFadingInfo ti;
1004
1005   tmi = (is_image ? (initial ? (first ?
1006                                 titlescreen_initial_first[nr] :
1007                                 titlescreen_initial[nr])
1008                              : (first ?
1009                                 titlescreen_first[nr] :
1010                                 titlescreen[nr]))
1011                   : (initial ? (first ?
1012                                 titlemessage_initial_first[nr] :
1013                                 titlemessage_initial[nr])
1014                              : (first ?
1015                                 titlemessage_first[nr] :
1016                                 titlemessage[nr])));
1017
1018   ti.fade_mode  = tmi.fade_mode;
1019   ti.fade_delay = tmi.fade_delay;
1020   ti.post_delay = tmi.post_delay;
1021   ti.auto_delay = tmi.auto_delay;
1022
1023   return ti;
1024 }
1025
1026 static int compareTitleControlInfo(const void *object1, const void *object2)
1027 {
1028   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1029   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1030   int compare_result;
1031
1032   if (tci1->initial != tci2->initial)
1033     compare_result = (tci1->initial ? -1 : +1);
1034   else if (tci1->sort_priority != tci2->sort_priority)
1035     compare_result = tci1->sort_priority - tci2->sort_priority;
1036   else if (tci1->is_image != tci2->is_image)
1037     compare_result = (tci1->is_image ? -1 : +1);
1038   else
1039     compare_result = tci1->local_nr - tci2->local_nr;
1040
1041   return compare_result;
1042 }
1043
1044 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1045                                                     boolean initial,
1046                                                     int nr, int sort_priority)
1047 {
1048   title_controls[num_title_screens].is_image = is_image;
1049   title_controls[num_title_screens].initial = initial;
1050   title_controls[num_title_screens].local_nr = nr;
1051   title_controls[num_title_screens].sort_priority = sort_priority;
1052
1053   title_controls[num_title_screens].first = FALSE;      /* will be set later */
1054
1055   num_title_screens++;
1056 }
1057
1058 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1059 {
1060   int i;
1061
1062   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1063   {
1064     int graphic = getTitleScreenGraphic(i, initial);
1065     Bitmap *bitmap = graphic_info[graphic].bitmap;
1066     int sort_priority = graphic_info[graphic].sort_priority;
1067
1068     if (bitmap != NULL)
1069       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1070   }
1071
1072   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1073   {
1074     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1075     char *filename = getLevelSetTitleMessageFilename(i, initial);
1076     int sort_priority = tmi->sort_priority;
1077
1078     if (filename != NULL)
1079       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1080   }
1081 }
1082
1083 static void InitializeTitleControls(boolean show_title_initial)
1084 {
1085   num_title_screens = 0;
1086
1087   /* 1st step: initialize title screens for game start (only when starting) */
1088   if (show_title_initial)
1089     InitializeTitleControls_CheckTitleInfo(TRUE);
1090
1091   /* 2nd step: initialize title screens for current level set */
1092   InitializeTitleControls_CheckTitleInfo(FALSE);
1093
1094   /* sort title screens according to sort_priority and title number */
1095   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1096         compareTitleControlInfo);
1097
1098   /* mark first title screen */
1099   title_controls[0].first = TRUE;
1100 }
1101
1102 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1103 {
1104   return (pos != NULL && pos->x != -1 && pos->y != -1);
1105 }
1106
1107 static boolean visibleTextPos(struct TextPosInfo *pos)
1108 {
1109   return (pos != NULL && pos->x != -1 && pos->y != -1);
1110 }
1111
1112 static void InitializeMainControls(void)
1113 {
1114   boolean local_team_mode = (!network.enabled && setup.team_mode);
1115   int i;
1116
1117   /* set main control text values to dynamically determined values */
1118   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1119
1120   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1121                                          menu.main.text.first_level.size));
1122   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1123                                          menu.main.text.last_level.size));
1124   strcpy(main_text_level_number, int2str(level_nr,
1125                                          menu.main.text.level_number.size));
1126
1127   main_text_level_year          = leveldir_current->year;
1128   main_text_level_imported_from = leveldir_current->imported_from;
1129   main_text_level_imported_by   = leveldir_current->imported_by;
1130   main_text_level_tested_by     = leveldir_current->tested_by;
1131
1132   main_text_title_1 = getConfigProgramTitleString();
1133   main_text_title_2 = getConfigProgramCopyrightString();
1134   main_text_title_3 = getConfigProgramCompanyString();
1135
1136   /* set main control screen positions to dynamically determined values */
1137   for (i = 0; main_controls[i].nr != -1; i++)
1138   {
1139     struct MainControlInfo *mci = &main_controls[i];
1140     int nr                         = mci->nr;
1141     struct MenuPosInfo *pos_button = mci->pos_button;
1142     struct TextPosInfo *pos_text   = mci->pos_text;
1143     struct TextPosInfo *pos_input  = mci->pos_input;
1144     char *text                     = (mci->text  ? *mci->text  : NULL);
1145     char *input                    = (mci->input ? *mci->input : NULL);
1146     int button_graphic             = mci->button_graphic;
1147     int font_text                  = (pos_text  ? pos_text->font  : -1);
1148     int font_input                 = (pos_input ? pos_input->font : -1);
1149
1150     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1151     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1152     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1153     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1154     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1155     int input_chars = (input != NULL ? strlen(input) : 0);
1156
1157     int button_width =
1158       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1159     int button_height =
1160       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1161     int text_width   = font_text_width * text_chars;
1162     int text_height  = font_text_height;
1163     int input_width  = font_input_width * input_chars;
1164     int input_height = font_input_height;
1165
1166     if (nr == MAIN_CONTROL_NAME)
1167     {
1168       menu.main.input.name.width  = input_width;
1169       menu.main.input.name.height = input_height;
1170     }
1171
1172     if (pos_button != NULL)             /* (x/y may be -1/-1 here) */
1173     {
1174       pos_button->width  = button_width;
1175       pos_button->height = button_height;
1176     }
1177
1178     if (pos_text != NULL)               /* (x/y may be -1/-1 here) */
1179     {
1180       /* calculate text size -- needed for text alignment */
1181       boolean calculate_text_size = (text != NULL);
1182
1183       if (pos_text->width == -1 || calculate_text_size)
1184         pos_text->width = text_width;
1185       if (pos_text->height == -1 || calculate_text_size)
1186         pos_text->height = text_height;
1187
1188       if (visibleMenuPos(pos_button))
1189       {
1190         if (pos_text->x == -1)
1191           pos_text->x = pos_button->x + pos_button->width;
1192         if (pos_text->y == -1)
1193           pos_text->y =
1194             pos_button->y + (pos_button->height - pos_text->height) / 2;
1195       }
1196     }
1197
1198     if (pos_input != NULL)              /* (x/y may be -1/-1 here) */
1199     {
1200       if (visibleTextPos(pos_text))
1201       {
1202         if (pos_input->x == -1)
1203           pos_input->x = pos_text->x + pos_text->width;
1204         if (pos_input->y == -1)
1205           pos_input->y = pos_text->y;
1206       }
1207
1208       if (pos_input->width == -1)
1209         pos_input->width = input_width;
1210       if (pos_input->height == -1)
1211         pos_input->height = input_height;
1212     }
1213   }
1214 }
1215
1216 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1217                                        int graphic, boolean pressed)
1218 {
1219   struct GraphicInfo *g = &graphic_info[graphic];
1220   Bitmap *src_bitmap;
1221   int src_x, src_y;
1222   int xoffset = (pressed ? g->pressed_xoffset : 0);
1223   int yoffset = (pressed ? g->pressed_yoffset : 0);
1224
1225   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1226
1227   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1228                    g->width, g->height, dst_x, dst_y);
1229 }
1230
1231 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1232                                        boolean active_input,
1233                                        boolean pressed_button)
1234 {
1235   int i;
1236
1237   for (i = 0; main_controls[i].nr != -1; i++)
1238   {
1239     struct MainControlInfo *mci = &main_controls[i];
1240
1241     if (mci->nr == nr || nr == -1)
1242     {
1243       struct MenuPosInfo *pos_button = mci->pos_button;
1244       struct TextPosInfo *pos_text   = mci->pos_text;
1245       struct TextPosInfo *pos_input  = mci->pos_input;
1246       char *text                     = (mci->text  ? *mci->text  : NULL);
1247       char *input                    = (mci->input ? *mci->input : NULL);
1248       int button_graphic             = mci->button_graphic;
1249       int font_text                  = (pos_text  ? pos_text->font  : -1);
1250       int font_input                 = (pos_input ? pos_input->font : -1);
1251
1252       if (active_text)
1253       {
1254         button_graphic = BUTTON_ACTIVE(button_graphic);
1255         font_text = FONT_ACTIVE(font_text);
1256       }
1257
1258       if (active_input)
1259       {
1260         font_input = FONT_ACTIVE(font_input);
1261       }
1262
1263       if (visibleMenuPos(pos_button))
1264       {
1265         struct MenuPosInfo *pos = pos_button;
1266         int x = mSX + pos->x;
1267         int y = mSY + pos->y;
1268
1269         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1270         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1271       }
1272
1273       if (visibleTextPos(pos_text) && text != NULL)
1274       {
1275         struct TextPosInfo *pos = pos_text;
1276         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1277         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1278
1279 #if 1
1280         /* (check why/if this is needed) */
1281         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1282 #endif
1283         DrawText(x, y, text, font_text);
1284       }
1285
1286       if (visibleTextPos(pos_input) && input != NULL)
1287       {
1288         struct TextPosInfo *pos = pos_input;
1289         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1290         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1291
1292 #if 1
1293         /* (check why/if this is needed) */
1294         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1295 #endif
1296         DrawText(x, y, input, font_input);
1297       }
1298     }
1299   }
1300 }
1301
1302 static void DrawCursorAndText_Main(int nr, boolean active_text,
1303                                    boolean pressed_button)
1304 {
1305   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1306 }
1307
1308 #if 0
1309 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1310                                          boolean pressed_button)
1311 {
1312   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1313 }
1314 #endif
1315
1316 static struct MainControlInfo *getMainControlInfo(int nr)
1317 {
1318   int i;
1319
1320   for (i = 0; main_controls[i].nr != -1; i++)
1321     if (main_controls[i].nr == nr)
1322       return &main_controls[i];
1323
1324   return NULL;
1325 }
1326
1327 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1328 {
1329   if (rect == NULL)
1330     return FALSE;
1331
1332   int rect_x = ALIGNED_TEXT_XPOS(rect);
1333   int rect_y = ALIGNED_TEXT_YPOS(rect);
1334
1335   return (x >= rect_x && x < rect_x + rect->width &&
1336           y >= rect_y && y < rect_y + rect->height);
1337 }
1338
1339 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1340 {
1341   if (rect == NULL)
1342     return FALSE;
1343
1344   int rect_x = ALIGNED_TEXT_XPOS(rect);
1345   int rect_y = ALIGNED_TEXT_YPOS(rect);
1346
1347 #if 0
1348   printf("::: insideTextPosRect: (%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d\n",
1349          x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1350          (x >= rect_x && x < rect_x + rect->width &&
1351           y >= rect_y && y < rect_y + rect->height));
1352 #endif
1353
1354   return (x >= rect_x && x < rect_x + rect->width &&
1355           y >= rect_y && y < rect_y + rect->height);
1356 }
1357
1358 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1359 {
1360   int rect_width  = preview->xsize * preview->tile_size;
1361   int rect_height = preview->ysize * preview->tile_size;
1362   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1363   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1364
1365   return (x >= rect_x && x < rect_x + rect_width &&
1366           y >= rect_y && y < rect_y + rect_height);
1367 }
1368
1369 static void AdjustScrollbar(int id, int items_max, int items_visible,
1370                             int item_position)
1371 {
1372   struct GadgetInfo *gi = screen_gadget[id];
1373
1374   if (item_position > items_max - items_visible)
1375     item_position = items_max - items_visible;
1376
1377   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1378                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1379                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1380 }
1381
1382 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1383 {
1384   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1385                   first_entry);
1386 }
1387
1388 static void clearMenuListArea(void)
1389 {
1390   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1391
1392   /* correct scrollbar position if placed outside menu (playfield) area */
1393   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1394     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1395
1396   /* clear menu list area, but not title or scrollbar */
1397   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1398                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1399 }
1400
1401 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1402 {
1403   static int cursor_array[MAX_LEV_FIELDY];
1404   int x = mSX + TILEX * xpos;
1405   int y = mSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1406
1407   if (xpos == 0)
1408   {
1409     if (graphic != -1)
1410       cursor_array[ypos] = graphic;
1411     else
1412       graphic = cursor_array[ypos];
1413   }
1414
1415   if (active)
1416     graphic = BUTTON_ACTIVE(graphic);
1417
1418   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1419   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1420 }
1421
1422 static void initCursor(int ypos, int graphic)
1423 {
1424   drawCursorExt(0, ypos, FALSE, graphic);
1425 }
1426
1427 static void drawCursor(int ypos, boolean active)
1428 {
1429   drawCursorExt(0, ypos, active, -1);
1430 }
1431
1432 static void drawCursorXY(int xpos, int ypos, int graphic)
1433 {
1434   drawCursorExt(xpos, ypos, FALSE, graphic);
1435 }
1436
1437 static void drawChooseTreeCursor(int ypos, boolean active)
1438 {
1439   drawCursorExt(0, ypos, active, -1);
1440 }
1441
1442 static void DrawHeadline(void)
1443 {
1444   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1445   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1446 }
1447
1448 static void DrawTitleScreenImage(int nr, boolean initial)
1449 {
1450   int graphic = getTitleScreenGraphic(nr, initial);
1451   Bitmap *bitmap = graphic_info[graphic].bitmap;
1452   int width  = graphic_info[graphic].width;
1453   int height = graphic_info[graphic].height;
1454   int src_x = graphic_info[graphic].src_x;
1455   int src_y = graphic_info[graphic].src_y;
1456   int dst_x, dst_y;
1457
1458   if (bitmap == NULL)
1459     return;
1460
1461   if (width > WIN_XSIZE)
1462   {
1463     /* image width too large for window => center image horizontally */
1464     src_x = (width - WIN_XSIZE) / 2;
1465     width = WIN_XSIZE;
1466   }
1467
1468   if (height > WIN_YSIZE)
1469   {
1470     /* image height too large for window => center image vertically */
1471     src_y = (height - WIN_YSIZE) / 2;
1472     height = WIN_YSIZE;
1473   }
1474
1475   /* always display title screens centered */
1476   dst_x = (WIN_XSIZE - width) / 2;
1477   dst_y = (WIN_YSIZE - height) / 2;
1478
1479   SetDrawBackgroundMask(REDRAW_ALL);
1480   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1481
1482   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1483
1484   if (DrawingOnBackground(dst_x, dst_y))
1485     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1486   else
1487     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1488
1489   redraw_mask = REDRAW_ALL;
1490 }
1491
1492 static void DrawTitleScreenMessage(int nr, boolean initial)
1493 {
1494   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1495   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1496
1497   if (filename == NULL)
1498     return;
1499
1500   /* force TITLE font on title message screen */
1501   SetFontStatus(getTitleMessageGameMode(initial));
1502
1503   /* if chars *and* width set to "-1", automatically determine width */
1504   if (tmi->chars == -1 && tmi->width == -1)
1505     tmi->width = viewport.window[game_status].width;
1506
1507   /* if lines *and* height set to "-1", automatically determine height */
1508   if (tmi->lines == -1 && tmi->height == -1)
1509     tmi->height = viewport.window[game_status].height;
1510
1511   /* if chars set to "-1", automatically determine by text and font width */
1512   if (tmi->chars == -1)
1513     tmi->chars = tmi->width / getFontWidth(tmi->font);
1514   else
1515     tmi->width = tmi->chars * getFontWidth(tmi->font);
1516
1517   /* if lines set to "-1", automatically determine by text and font height */
1518   if (tmi->lines == -1)
1519     tmi->lines = tmi->height / getFontHeight(tmi->font);
1520   else
1521     tmi->height = tmi->lines * getFontHeight(tmi->font);
1522
1523   /* if x set to "-1", automatically determine by width and alignment */
1524   if (tmi->x == -1)
1525     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1526
1527   /* if y set to "-1", automatically determine by height and alignment */
1528   if (tmi->y == -1)
1529     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1530
1531   SetDrawBackgroundMask(REDRAW_ALL);
1532   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1533
1534   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1535
1536   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1537                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1538                tmi->autowrap, tmi->centered, tmi->parse_comments);
1539
1540   ResetFontStatus();
1541 }
1542
1543 static void DrawTitleScreen(void)
1544 {
1545   KeyboardAutoRepeatOff();
1546
1547   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1548 }
1549
1550 static boolean CheckTitleScreen(boolean levelset_has_changed)
1551 {
1552   static boolean show_title_initial = TRUE;
1553   boolean show_titlescreen = FALSE;
1554
1555   /* needed to be able to skip title screen, if no image or message defined */
1556   InitializeTitleControls(show_title_initial);
1557
1558   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1559     show_titlescreen = TRUE;
1560
1561   /* show initial title images and messages only once at program start */
1562   show_title_initial = FALSE;
1563
1564   return (show_titlescreen && num_title_screens > 0);
1565 }
1566
1567 void DrawMainMenu(void)
1568 {
1569   static LevelDirTree *leveldir_last_valid = NULL;
1570   boolean levelset_has_changed = FALSE;
1571   int fade_mask = REDRAW_FIELD;
1572
1573   LimitScreenUpdates(FALSE);
1574
1575   FadeSetLeaveScreen();
1576
1577   /* do not fade out here -- function may continue and fade on editor screen */
1578
1579   UnmapAllGadgets();
1580   FadeMenuSoundsAndMusic();
1581
1582   ExpireSoundLoops(FALSE);
1583
1584   KeyboardAutoRepeatOn();
1585
1586   audio.sound_deactivated = FALSE;
1587
1588   GetPlayerConfig();
1589
1590   /* needed if last screen was the playing screen, invoked from level editor */
1591   if (level_editor_test_game)
1592   {
1593     CloseDoor(DOOR_CLOSE_ALL);
1594
1595     SetGameStatus(GAME_MODE_EDITOR);
1596
1597     DrawLevelEd();
1598
1599     return;
1600   }
1601
1602   /* needed if last screen was the setup screen and fullscreen state changed */
1603   // (moved to "execSetupGraphics()" to change fullscreen state directly)
1604   // ToggleFullscreenOrChangeWindowScalingIfNeeded();
1605
1606   /* leveldir_current may be invalid (level group, parent link) */
1607   if (!validLevelSeries(leveldir_current))
1608     leveldir_current = getFirstValidTreeInfoEntry(leveldir_last_valid);
1609
1610   if (leveldir_current != leveldir_last_valid)
1611     levelset_has_changed = TRUE;
1612
1613   /* store valid level series information */
1614   leveldir_last_valid = leveldir_current;
1615
1616   init_last = init;                     /* switch to new busy animation */
1617
1618   /* needed if last screen (level choice) changed graphics, sounds or music */
1619   ReloadCustomArtwork(0);
1620
1621   if (CheckTitleScreen(levelset_has_changed))
1622   {
1623     SetGameStatus(GAME_MODE_TITLE);
1624
1625     DrawTitleScreen();
1626
1627     return;
1628   }
1629
1630   if (redraw_mask & REDRAW_ALL)
1631     fade_mask = REDRAW_ALL;
1632
1633   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
1634     fade_mask = REDRAW_ALL;
1635
1636   FadeOut(fade_mask);
1637
1638   /* needed if different viewport properties defined for menues */
1639   ChangeViewportPropertiesIfNeeded();
1640
1641   SetDrawtoField(DRAW_TO_BACKBUFFER);
1642
1643   /* level_nr may have been set to value over handicap with level editor */
1644   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1645     level_nr = leveldir_current->handicap_level;
1646
1647   LoadLevel(level_nr);
1648   LoadScore(level_nr);
1649
1650   SaveLevelSetup_SeriesInfo();
1651
1652   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1653   SetDrawDeactivationMask(REDRAW_NONE);
1654   SetDrawBackgroundMask(REDRAW_FIELD);
1655
1656   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1657
1658 #if 0
1659   if (fade_mask == REDRAW_ALL)
1660     RedrawGlobalBorder();
1661 #endif
1662
1663   ClearField();
1664
1665   InitializeMainControls();
1666
1667   DrawCursorAndText_Main(-1, FALSE, FALSE);
1668   DrawPreviewLevelInitial();
1669   DrawNetworkPlayers();
1670
1671   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1672
1673   TapeStop();
1674   if (TAPE_IS_EMPTY(tape))
1675     LoadTape(level_nr);
1676   DrawCompleteVideoDisplay();
1677
1678   PlayMenuSoundsAndMusic();
1679
1680   /* create gadgets for main menu screen */
1681   FreeScreenGadgets();
1682   CreateScreenGadgets();
1683
1684   /* may be required if audio buttons shown on tape and changed in setup menu */
1685   FreeGameButtons();
1686   CreateGameButtons();
1687
1688   /* map gadgets for main menu screen */
1689   MapTapeButtons();
1690   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1691   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1692
1693   /* copy actual game door content to door double buffer for OpenDoor() */
1694   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1695   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1696
1697   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1698
1699   DrawMaskedBorder(fade_mask);
1700
1701   FadeIn(fade_mask);
1702   FadeSetEnterMenu();
1703
1704   /* update screen area with special editor door */
1705   redraw_mask |= REDRAW_ALL;
1706   BackToFront();
1707
1708   SetMouseCursor(CURSOR_DEFAULT);
1709
1710   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1711 }
1712
1713 static void gotoTopLevelDir(void)
1714 {
1715   /* move upwards until inside (but not above) top level directory */
1716   while (leveldir_current->node_parent &&
1717          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1718   {
1719     /* write a "path" into level tree for easy navigation to last level */
1720     if (leveldir_current->node_parent->node_group->cl_first == -1)
1721     {
1722       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1723       int leveldir_pos = posTreeInfo(leveldir_current);
1724       int num_page_entries;
1725       int cl_first, cl_cursor;
1726
1727       if (num_leveldirs <= NUM_MENU_ENTRIES_ON_SCREEN)
1728         num_page_entries = num_leveldirs;
1729       else
1730         num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
1731
1732       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1733       cl_cursor = leveldir_pos - cl_first;
1734
1735       leveldir_current->node_parent->node_group->cl_first = cl_first;
1736       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1737     }
1738
1739     leveldir_current = leveldir_current->node_parent;
1740   }
1741 }
1742
1743 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1744 {
1745   static unsigned int title_delay = 0;
1746   static int title_screen_nr = 0;
1747   static int last_sound = -1, last_music = -1;
1748   boolean return_to_main_menu = FALSE;
1749   struct TitleControlInfo *tci;
1750   int sound, music;
1751
1752   if (button == MB_MENU_INITIALIZE)
1753   {
1754     title_delay = 0;
1755     title_screen_nr = 0;
1756     tci = &title_controls[title_screen_nr];
1757
1758     SetAnimStatus(getTitleAnimMode(tci));
1759
1760     last_sound = SND_UNDEFINED;
1761     last_music = MUS_UNDEFINED;
1762
1763     if (num_title_screens != 0)
1764     {
1765       FadeSetEnterScreen();
1766
1767       /* use individual title fading instead of global "enter screen" fading */
1768       fading = getTitleFading(tci);
1769     }
1770
1771     if (game_status_last_screen == GAME_MODE_INFO)
1772     {
1773       if (num_title_screens == 0)
1774       {
1775         /* switch game mode from title screen mode back to info screen mode */
1776         SetGameStatus(GAME_MODE_INFO);
1777
1778         /* store that last screen was info screen, not main menu screen */
1779         game_status_last_screen = GAME_MODE_INFO;
1780
1781         DrawInfoScreen_NotAvailable("Title screen information:",
1782                                     "No title screen for this level set.");
1783         return;
1784       }
1785
1786       FadeMenuSoundsAndMusic();
1787     }
1788
1789     FadeOut(REDRAW_ALL);
1790
1791     /* title screens may have different window size */
1792     ChangeViewportPropertiesIfNeeded();
1793
1794     /* only required to update logic for redrawing global border */
1795     ClearField();
1796
1797     if (tci->is_image)
1798       DrawTitleScreenImage(tci->local_nr, tci->initial);
1799     else
1800       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1801
1802     sound = getTitleSound(tci);
1803     music = getTitleMusic(tci);
1804
1805     if (sound != last_sound)
1806       PlayMenuSoundExt(sound);
1807     if (music != last_music)
1808       PlayMenuMusicExt(music);
1809
1810     last_sound = sound;
1811     last_music = music;
1812
1813     SetMouseCursor(CURSOR_NONE);
1814
1815     FadeIn(REDRAW_ALL);
1816
1817     DelayReached(&title_delay, 0);      /* reset delay counter */
1818
1819     return;
1820   }
1821
1822   if (fading.auto_delay > 0 && DelayReached(&title_delay, fading.auto_delay))
1823     button = MB_MENU_CHOICE;
1824
1825   if (button == MB_MENU_LEAVE)
1826   {
1827     return_to_main_menu = TRUE;
1828   }
1829   else if (button == MB_MENU_CHOICE)
1830   {
1831     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1832     {
1833       SetGameStatus(GAME_MODE_INFO);
1834
1835       info_mode = INFO_MODE_MAIN;
1836
1837       DrawInfoScreen();
1838
1839       return;
1840     }
1841
1842     title_screen_nr++;
1843
1844     if (title_screen_nr < num_title_screens)
1845     {
1846       tci = &title_controls[title_screen_nr];
1847
1848       SetAnimStatus(getTitleAnimMode(tci));
1849
1850       sound = getTitleSound(tci);
1851       music = getTitleMusic(tci);
1852
1853       if (last_sound != SND_UNDEFINED && sound != last_sound)
1854         FadeSound(last_sound);
1855       if (last_music != MUS_UNDEFINED && music != last_music)
1856         FadeMusic();
1857
1858       fading = getTitleFading(tci);
1859
1860       FadeOut(REDRAW_ALL);
1861
1862       if (tci->is_image)
1863         DrawTitleScreenImage(tci->local_nr, tci->initial);
1864       else
1865         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1866
1867       sound = getTitleSound(tci);
1868       music = getTitleMusic(tci);
1869
1870       if (sound != last_sound)
1871         PlayMenuSoundExt(sound);
1872       if (music != last_music)
1873         PlayMenuMusicExt(music);
1874
1875       last_sound = sound;
1876       last_music = music;
1877
1878       FadeIn(REDRAW_ALL);
1879
1880       DelayReached(&title_delay, 0);    /* reset delay counter */
1881     }
1882     else
1883     {
1884       FadeMenuSoundsAndMusic();
1885
1886       return_to_main_menu = TRUE;
1887     }
1888   }
1889
1890   if (return_to_main_menu)
1891   {
1892     SetMouseCursor(CURSOR_DEFAULT);
1893
1894     /* force full menu screen redraw after displaying title screens */
1895     redraw_mask = REDRAW_ALL;
1896
1897     if (game_status_last_screen == GAME_MODE_INFO)
1898     {
1899       SetGameStatus(GAME_MODE_INFO);
1900
1901       info_mode = INFO_MODE_MAIN;
1902
1903       DrawInfoScreen();
1904     }
1905     else        /* default: return to main menu */
1906     {
1907       SetGameStatus(GAME_MODE_MAIN);
1908
1909       DrawMainMenu();
1910     }
1911   }
1912 }
1913
1914 static void HandleMainMenu_SelectLevel(int step, int direction,
1915                                        int selected_level_nr)
1916 {
1917   int old_level_nr = level_nr;
1918   int new_level_nr;
1919
1920   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1921     new_level_nr = selected_level_nr;
1922   else
1923     new_level_nr = old_level_nr + step * direction;
1924
1925   if (new_level_nr < leveldir_current->first_level)
1926     new_level_nr = leveldir_current->first_level;
1927   if (new_level_nr > leveldir_current->last_level)
1928     new_level_nr = leveldir_current->last_level;
1929
1930   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1931   {
1932     /* skipping levels is only allowed when trying to skip single level */
1933     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1934         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1935     {
1936       leveldir_current->handicap_level++;
1937       SaveLevelSetup_SeriesInfo();
1938     }
1939
1940     new_level_nr = leveldir_current->handicap_level;
1941   }
1942
1943   if (new_level_nr != old_level_nr)
1944   {
1945     struct MainControlInfo *mci= getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
1946
1947     PlaySound(SND_MENU_ITEM_SELECTING);
1948
1949     level_nr = new_level_nr;
1950
1951     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
1952              int2str(level_nr, menu.main.text.level_number.size),
1953              mci->pos_text->font);
1954
1955     LoadLevel(level_nr);
1956     DrawPreviewLevelInitial();
1957
1958     TapeErase();
1959     LoadTape(level_nr);
1960     DrawCompleteVideoDisplay();
1961
1962     SaveLevelSetup_SeriesInfo();
1963
1964     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1965
1966     /* needed because DrawPreviewLevelInitial() takes some time */
1967     BackToFront();
1968     /* SyncDisplay(); */
1969   }
1970 }
1971
1972 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
1973 {
1974   static int choice = MAIN_CONTROL_GAME;
1975   static boolean button_pressed_last = FALSE;
1976   boolean button_pressed = FALSE;
1977   int pos = choice;
1978   int i;
1979
1980   if (button == MB_MENU_INITIALIZE)
1981   {
1982     DrawCursorAndText_Main(choice, TRUE, FALSE);
1983
1984     return;
1985   }
1986
1987   if (mx || my)         /* mouse input */
1988   {
1989     pos = -1;
1990
1991     for (i = 0; main_controls[i].nr != -1; i++)
1992     {
1993       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
1994           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
1995           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
1996       {
1997         pos = main_controls[i].nr;
1998
1999         break;
2000       }
2001     }
2002
2003     /* check if level preview was clicked */
2004     if (insidePreviewRect(&preview, mx - SX, my - SY))
2005       pos = MAIN_CONTROL_GAME;
2006
2007     // handle pressed/unpressed state for active/inactive menu buttons
2008     // (if pos != -1, "i" contains index position corresponding to "pos")
2009     if (button &&
2010         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2011         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2012       button_pressed = TRUE;
2013
2014     if (button_pressed != button_pressed_last)
2015     {
2016       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2017
2018       if (button_pressed)
2019         PlaySound(SND_MENU_BUTTON_PRESSING);
2020       else
2021         PlaySound(SND_MENU_BUTTON_RELEASING);
2022     }
2023   }
2024   else if (dx || dy)    /* keyboard input */
2025   {
2026     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2027                    choice == MAIN_CONTROL_SETUP))
2028       button = MB_MENU_CHOICE;
2029     else if (dy)
2030       pos = choice + dy;
2031   }
2032
2033   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2034   {
2035     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2036   }
2037   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2038   {
2039     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2040   }
2041   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2042   {
2043     CloseDoor(DOOR_CLOSE_2);
2044
2045     SetGameStatus(GAME_MODE_LEVELNR);
2046
2047     DrawChooseLevelNr();
2048   }
2049   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2050   {
2051     if (button)
2052     {
2053       if (pos != choice)
2054       {
2055         PlaySound(SND_MENU_ITEM_ACTIVATING);
2056
2057         DrawCursorAndText_Main(choice, FALSE, FALSE);
2058         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2059
2060         choice = pos;
2061       }
2062       else if (dx != 0)
2063       {
2064         if (choice != MAIN_CONTROL_INFO &&
2065             choice != MAIN_CONTROL_SETUP)
2066           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2067       }
2068     }
2069     else
2070     {
2071       PlaySound(SND_MENU_ITEM_SELECTING);
2072
2073       if (pos == MAIN_CONTROL_NAME)
2074       {
2075         SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2076
2077         HandleTypeName(strlen(setup.player_name), 0);
2078       }
2079       else if (pos == MAIN_CONTROL_LEVELS)
2080       {
2081         if (leveldir_first)
2082         {
2083           CloseDoor(DOOR_CLOSE_2);
2084
2085           SetGameStatus(GAME_MODE_LEVELS);
2086
2087           SaveLevelSetup_LastSeries();
2088           SaveLevelSetup_SeriesInfo();
2089
2090           if (setup.internal.choose_from_top_leveldir)
2091             gotoTopLevelDir();
2092
2093           DrawChooseLevelSet();
2094         }
2095       }
2096       else if (pos == MAIN_CONTROL_SCORES)
2097       {
2098         CloseDoor(DOOR_CLOSE_2);
2099
2100         SetGameStatus(GAME_MODE_SCORES);
2101
2102         DrawHallOfFame(level_nr, -1);
2103       }
2104       else if (pos == MAIN_CONTROL_EDITOR)
2105       {
2106         if (leveldir_current->readonly &&
2107             !strEqual(setup.player_name, "Artsoft"))
2108           Request("This level is read only!", REQ_CONFIRM);
2109
2110         CloseDoor(DOOR_CLOSE_2);
2111
2112         SetGameStatus(GAME_MODE_EDITOR);
2113
2114         FadeSetEnterScreen();
2115
2116         DrawLevelEd();
2117       }
2118       else if (pos == MAIN_CONTROL_INFO)
2119       {
2120         CloseDoor(DOOR_CLOSE_2);
2121
2122         SetGameStatus(GAME_MODE_INFO);
2123
2124         info_mode = INFO_MODE_MAIN;
2125
2126         DrawInfoScreen();
2127       }
2128       else if (pos == MAIN_CONTROL_GAME)
2129       {
2130         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2131       }
2132       else if (pos == MAIN_CONTROL_SETUP)
2133       {
2134         CloseDoor(DOOR_CLOSE_2);
2135
2136         SetGameStatus(GAME_MODE_SETUP);
2137
2138         setup_mode = SETUP_MODE_MAIN;
2139
2140         DrawSetupScreen();
2141       }
2142       else if (pos == MAIN_CONTROL_QUIT)
2143       {
2144         SaveLevelSetup_LastSeries();
2145         SaveLevelSetup_SeriesInfo();
2146
2147         if (Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2148           SetGameStatus(GAME_MODE_QUIT);
2149       }
2150     }
2151   }
2152
2153   button_pressed_last = button_pressed;
2154 }
2155
2156
2157 /* ========================================================================= */
2158 /* info screen functions                                                     */
2159 /* ========================================================================= */
2160
2161 static struct TokenInfo *info_info;
2162 static int num_info_info;       /* number of info entries shown on screen */
2163 static int max_info_info;       /* total number of info entries in list */
2164
2165 static void execInfoTitleScreen(void)
2166 {
2167   info_mode = INFO_MODE_TITLE;
2168
2169   DrawInfoScreen();
2170 }
2171
2172 static void execInfoElements(void)
2173 {
2174   info_mode = INFO_MODE_ELEMENTS;
2175
2176   DrawInfoScreen();
2177 }
2178
2179 static void execInfoMusic(void)
2180 {
2181   info_mode = INFO_MODE_MUSIC;
2182
2183   DrawInfoScreen();
2184 }
2185
2186 static void execInfoCredits(void)
2187 {
2188   info_mode = INFO_MODE_CREDITS;
2189
2190   DrawInfoScreen();
2191 }
2192
2193 static void execInfoProgram(void)
2194 {
2195   info_mode = INFO_MODE_PROGRAM;
2196
2197   DrawInfoScreen();
2198 }
2199
2200 static void execInfoVersion(void)
2201 {
2202   info_mode = INFO_MODE_VERSION;
2203
2204   DrawInfoScreen();
2205 }
2206
2207 static void execInfoLevelSet(void)
2208 {
2209   info_mode = INFO_MODE_LEVELSET;
2210
2211   DrawInfoScreen();
2212 }
2213
2214 static void execExitInfo(void)
2215 {
2216   SetGameStatus(GAME_MODE_MAIN);
2217
2218   DrawMainMenu();
2219 }
2220
2221 static struct TokenInfo info_info_main[] =
2222 {
2223   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2224   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2225   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2226   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2227   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2228   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2229   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2230   { TYPE_EMPTY,         NULL,                   ""                      },
2231   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2232
2233   { 0,                  NULL,                   NULL                    }
2234 };
2235
2236 static int getMenuTextFont(int type)
2237 {
2238   if (type & (TYPE_SWITCH       |
2239               TYPE_YES_NO       |
2240               TYPE_YES_NO_AUTO  |
2241               TYPE_STRING       |
2242               TYPE_PLAYER       |
2243               TYPE_ECS_AGA      |
2244               TYPE_KEYTEXT      |
2245               TYPE_ENTER_LIST   |
2246               TYPE_TEXT_INPUT))
2247     return FONT_MENU_2;
2248   else
2249     return FONT_MENU_1;
2250 }
2251
2252 static struct TokenInfo *setup_info;
2253 static struct TokenInfo setup_info_input[];
2254
2255 static struct TokenInfo *menu_info;
2256
2257 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2258                                        int screen_pos, int menu_info_pos_raw,
2259                                        boolean active)
2260 {
2261   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2262   struct TokenInfo *ti = &token_info[pos];
2263   int xpos = MENU_SCREEN_START_XPOS;
2264   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2265   int font_nr = getMenuTextFont(ti->type);
2266
2267   if (setup_mode == SETUP_MODE_INPUT)
2268     font_nr = FONT_MENU_1;
2269
2270   if (active)
2271     font_nr = FONT_ACTIVE(font_nr);
2272
2273   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2274
2275   if (ti->type & ~TYPE_SKIP_ENTRY)
2276     drawCursor(screen_pos, active);
2277 }
2278
2279 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2280                                    boolean active)
2281 {
2282   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2283 }
2284
2285 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2286                                     boolean active)
2287 {
2288   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2289 }
2290
2291 static char *window_size_text;
2292 static char *scaling_type_text;
2293 static char *network_server_text;
2294
2295 static void drawSetupValue(int, int);
2296
2297 static void drawMenuInfoList(int first_entry, int num_page_entries,
2298                              int max_page_entries)
2299 {
2300   int i;
2301
2302   if (first_entry + num_page_entries > max_page_entries)
2303     first_entry = 0;
2304
2305   clearMenuListArea();
2306
2307   for (i = 0; i < num_page_entries; i++)
2308   {
2309     int menu_info_pos = first_entry + i;
2310     struct TokenInfo *si = &menu_info[menu_info_pos];
2311     void *value_ptr = si->value;
2312
2313     /* set some entries to "unchangeable" according to other variables */
2314     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2315         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2316         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2317         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2318         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2319         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2320       si->type |= TYPE_GHOSTED;
2321
2322     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2323       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2324     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2325       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2326     else if (si->type & ~TYPE_SKIP_ENTRY)
2327       initCursor(i, IMG_MENU_BUTTON);
2328
2329     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2330
2331     if (si->type & TYPE_STRING)
2332     {
2333       int gadget_id = -1;
2334
2335       if (value_ptr == &network_server_text)
2336         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2337
2338       if (gadget_id != -1)
2339       {
2340         struct GadgetInfo *gi = screen_gadget[gadget_id];
2341         int xpos = MENU_SCREEN_START_XPOS;
2342         int ypos = MENU_SCREEN_START_YPOS + i;
2343         int x = mSX + xpos * 32;
2344         int y = mSY + ypos * 32;
2345
2346         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2347       }
2348     }
2349
2350     if (si->type & TYPE_VALUE &&
2351         menu_info == setup_info)
2352       drawSetupValue(i, menu_info_pos);
2353   }
2354 }
2355
2356 static void DrawInfoScreen_Main(void)
2357 {
2358   int fade_mask = REDRAW_FIELD;
2359   int i;
2360
2361   if (redraw_mask & REDRAW_ALL)
2362     fade_mask = REDRAW_ALL;
2363
2364   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
2365     fade_mask = REDRAW_ALL;
2366
2367   UnmapAllGadgets();
2368   FadeMenuSoundsAndMusic();
2369
2370   FreeScreenGadgets();
2371   CreateScreenGadgets();
2372
2373   /* (needed after displaying title screens which disable auto repeat) */
2374   KeyboardAutoRepeatOn();
2375
2376   FadeSetLeaveScreen();
2377
2378   FadeOut(fade_mask);
2379
2380   /* needed if different viewport properties defined for info screen */
2381   ChangeViewportPropertiesIfNeeded();
2382
2383   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2384
2385   ClearField();
2386
2387   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2388
2389   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2390
2391   info_info = info_info_main;
2392
2393   // determine maximal number of info entries that can be displayed on screen
2394   num_info_info = 0;
2395   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2396     num_info_info++;
2397
2398   // determine maximal number of info entries available for menu of info screen
2399   max_info_info = 0;
2400   for (i = 0; info_info[i].type != 0; i++)
2401     max_info_info++;
2402
2403   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2404
2405   MapScreenGadgets(max_info_info);
2406
2407   PlayMenuSoundsAndMusic();
2408
2409   DrawMaskedBorder(fade_mask);
2410
2411   FadeIn(fade_mask);
2412 }
2413
2414 static void changeSetupValue(int, int, int);
2415
2416 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2417                              int mode, int num_page_entries,
2418                              int max_page_entries)
2419 {
2420   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2421   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2422   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2423   int *num_page_entries_last = num_page_entries_all_last[game_status];
2424   int *choice_store = choice_stores[game_status];
2425   int *first_entry_store = first_entry_stores[game_status];
2426   int choice = choice_store[mode];              /* starts with 0 */
2427   int first_entry = first_entry_store[mode];    /* starts with 0 */
2428   int x = 0;
2429   int y = choice - first_entry;
2430   int y_old = y;
2431   boolean position_set_by_scrollbar = (dx == 999);
2432   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2433   int i;
2434
2435   if (button == MB_MENU_INITIALIZE)
2436   {
2437     // check if number of menu page entries has changed (may happen by change
2438     // of custom artwork definition value for 'list_size' for this menu screen)
2439     // (in this case, the last menu position most probably has to be corrected)
2440     if (num_page_entries != num_page_entries_last[mode])
2441     {
2442       choice_store[mode] = first_entry_store[mode] = 0;
2443
2444       choice = first_entry = 0;
2445       y = y_old = 0;
2446
2447       num_page_entries_last[mode] = num_page_entries;
2448     }
2449
2450     /* advance to first valid menu entry */
2451     while (choice < num_page_entries &&
2452            menu_info[choice].type & TYPE_SKIP_ENTRY)
2453       choice++;
2454
2455     if (position_set_by_scrollbar)
2456       first_entry = first_entry_store[mode] = dy;
2457     else
2458       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2459                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2460
2461     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2462
2463     if (choice < first_entry)
2464     {
2465       choice = first_entry;
2466
2467       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2468         choice++;
2469     }
2470     else if (choice > first_entry + num_page_entries - 1)
2471     {
2472       choice = first_entry + num_page_entries - 1;
2473
2474       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2475         choice--;
2476     }
2477
2478     choice_store[mode] = choice;
2479
2480     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2481
2482     return;
2483   }
2484   else if (button == MB_MENU_LEAVE)
2485   {
2486     PlaySound(SND_MENU_ITEM_SELECTING);
2487
2488     for (i = 0; i < max_page_entries; i++)
2489     {
2490       if (menu_info[i].type & TYPE_LEAVE_MENU)
2491       {
2492         void (*menu_callback_function)(void) = menu_info[i].value;
2493
2494         FadeSetLeaveMenu();
2495
2496         menu_callback_function();
2497
2498         break;  /* absolutely needed because function changes 'menu_info'! */
2499       }
2500     }
2501
2502     return;
2503   }
2504
2505   if (mx || my)         /* mouse input */
2506   {
2507     x = (mx - mSX) / 32;
2508     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2509   }
2510   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
2511   {
2512     /* move cursor instead of scrolling when already at start/end of list */
2513     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2514       dy = -1;
2515     else if (dy == +1 * SCROLL_LINE &&
2516              first_entry + num_page_entries == max_page_entries)
2517       dy = 1;
2518
2519     /* handle scrolling screen one line or page */
2520     if (y + dy < 0 ||
2521         y + dy > num_page_entries - 1)
2522     {
2523       boolean redraw = FALSE;
2524
2525       if (ABS(dy) == SCROLL_PAGE)
2526         step = num_page_entries - 1;
2527
2528       if (dy < 0 && first_entry > 0)
2529       {
2530         /* scroll page/line up */
2531
2532         first_entry -= step;
2533         if (first_entry < 0)
2534           first_entry = 0;
2535
2536         redraw = TRUE;
2537       }
2538       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2539       {
2540         /* scroll page/line down */
2541
2542         first_entry += step;
2543         if (first_entry + num_page_entries > max_page_entries)
2544           first_entry = MAX(0, max_page_entries - num_page_entries);
2545
2546         redraw = TRUE;
2547       }
2548
2549       if (redraw)
2550       {
2551         choice += first_entry - first_entry_store[mode];
2552
2553         if (choice < first_entry)
2554         {
2555           choice = first_entry;
2556
2557           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2558             choice++;
2559         }
2560         else if (choice > first_entry + num_page_entries - 1)
2561         {
2562           choice = first_entry + num_page_entries - 1;
2563
2564           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2565             choice--;
2566         }
2567         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2568         {
2569           choice += SIGN(dy);
2570
2571           if (choice < first_entry ||
2572               choice > first_entry + num_page_entries - 1)
2573           first_entry += SIGN(dy);
2574         }
2575
2576         first_entry_store[mode] = first_entry;
2577         choice_store[mode] = choice;
2578
2579         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2580
2581         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2582
2583         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2584                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2585       }
2586
2587       return;
2588     }
2589
2590     if (dx)
2591     {
2592       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2593
2594       if (menu_info[choice].type & menu_navigation_type ||
2595           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2596           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2597           menu_info[choice].type & TYPE_PLAYER)
2598         button = MB_MENU_CHOICE;
2599     }
2600     else if (dy)
2601       y += dy;
2602
2603     /* jump to next non-empty menu entry (up or down) */
2604     while (first_entry + y > 0 &&
2605            first_entry + y < max_page_entries - 1 &&
2606            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2607       y += dy;
2608
2609     if (!IN_VIS_MENU(x, y))
2610     {
2611       choice += y - y_old;
2612
2613       if (choice < first_entry)
2614         first_entry = choice;
2615       else if (choice > first_entry + num_page_entries - 1)
2616         first_entry = choice - num_page_entries + 1;
2617
2618       if (first_entry >= 0 &&
2619           first_entry + num_page_entries <= max_page_entries)
2620       {
2621         first_entry_store[mode] = first_entry;
2622
2623         if (choice < first_entry)
2624           choice = first_entry;
2625         else if (choice > first_entry + num_page_entries - 1)
2626           choice = first_entry + num_page_entries - 1;
2627
2628         choice_store[mode] = choice;
2629
2630         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2631
2632         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2633
2634         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2635                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2636       }
2637
2638       return;
2639     }
2640   }
2641
2642   if (!anyScrollbarGadgetActive() &&
2643       IN_VIS_MENU(x, y) &&
2644       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
2645       y >= 0 && y < num_page_entries)
2646   {
2647     if (button)
2648     {
2649       if (first_entry + y != choice &&
2650           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2651       {
2652         PlaySound(SND_MENU_ITEM_ACTIVATING);
2653
2654         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2655         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2656
2657         choice = choice_store[mode] = first_entry + y;
2658       }
2659       else if (dx < 0)
2660       {
2661         PlaySound(SND_MENU_ITEM_SELECTING);
2662
2663         for (i = 0; menu_info[i].type != 0; i++)
2664         {
2665           if (menu_info[i].type & TYPE_LEAVE_MENU)
2666           {
2667             void (*menu_callback_function)(void) = menu_info[i].value;
2668
2669             FadeSetLeaveMenu();
2670
2671             menu_callback_function();
2672
2673             /* absolutely needed because function changes 'menu_info'! */
2674             break;
2675           }
2676         }
2677
2678         return;
2679       }
2680     }
2681     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2682     {
2683       PlaySound(SND_MENU_ITEM_SELECTING);
2684
2685       /* when selecting key headline, execute function for key value change */
2686       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2687           menu_info[first_entry + y + 1].type & TYPE_KEY)
2688         y++;
2689
2690       /* when selecting string value, execute function for list selection */
2691       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2692           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2693         y--;
2694
2695       /* when selecting string value, execute function for text input gadget */
2696       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2697           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2698         y--;
2699
2700       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2701       {
2702         void (*menu_callback_function)(void) =
2703           menu_info[first_entry + y].value;
2704
2705         FadeSetFromType(menu_info[first_entry + y].type);
2706
2707         menu_callback_function();
2708       }
2709       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2710       {
2711         void (*gadget_callback_function)(void) =
2712           menu_info[first_entry + y].value;
2713
2714         gadget_callback_function();
2715       }
2716       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2717                menu_info == setup_info)
2718       {
2719         changeSetupValue(y, first_entry + y, dx);
2720       }
2721     }
2722   }
2723 }
2724
2725 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2726 {
2727   menu_info = info_info;
2728
2729   HandleMenuScreen(mx, my, dx, dy, button,
2730                    info_mode, num_info_info, max_info_info);
2731 }
2732
2733 static int getMenuFontSpacing(int spacing_height, int font_nr)
2734 {
2735   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2736
2737   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2738           spacing_height);
2739 }
2740
2741 static int getMenuTextSpacing(int spacing_height, int font_nr)
2742 {
2743   return (getMenuFontSpacing(spacing_height, font_nr) +
2744           EXTRA_SPACING(game_status));
2745 }
2746
2747 static int getMenuTextStep(int spacing_height, int font_nr)
2748 {
2749   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2750 }
2751
2752 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2753 {
2754   int font_title = MENU_INFO_FONT_TITLE;
2755   int font_error = FONT_TEXT_2;
2756   int font_foot  = MENU_INFO_FONT_FOOT;
2757   int spacing_title = menu.headline1_spacing_info[info_mode];
2758   int ystep_title = getMenuTextStep(spacing_title, font_title);
2759   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2760   int ystart2 = ystart1 + ystep_title;
2761   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2762
2763   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2764
2765   FadeOut(REDRAW_FIELD);
2766
2767   ClearField();
2768   DrawHeadline();
2769
2770   DrawTextSCentered(ystart1, font_title, text_title);
2771   DrawTextSCentered(ystart2, font_error, text_error);
2772
2773   DrawTextSCentered(ybottom, font_foot,
2774                     "Press any key or button for info menu");
2775
2776   FadeIn(REDRAW_FIELD);
2777 }
2778
2779 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2780 {
2781   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2782   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2783   int font_title = MENU_INFO_FONT_TITLE;
2784   int font_foot  = MENU_INFO_FONT_FOOT;
2785   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2786   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2787   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2788   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2789   int ystep = MENU_SCREEN_INFO_YSTEP;
2790   int element, action, direction;
2791   int graphic;
2792   int delay;
2793   int sync_frame;
2794   int i, j;
2795
2796   if (init)
2797   {
2798     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2799       infoscreen_step[i] = infoscreen_frame[i] = 0;
2800
2801     ClearField();
2802     DrawHeadline();
2803
2804     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2805
2806     DrawTextSCentered(ybottom, font_foot,
2807                       "Press any key or button for next page");
2808
2809     FrameCounter = 0;
2810   }
2811
2812   i = j = 0;
2813   while (helpanim_info[j].element != HELPANIM_LIST_END)
2814   {
2815     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2816         i >= max_anims)
2817       break;
2818     else if (i < start)
2819     {
2820       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2821         j++;
2822
2823       j++;
2824       i++;
2825
2826       continue;
2827     }
2828
2829     j += infoscreen_step[i - start];
2830
2831     element = helpanim_info[j].element;
2832     action = helpanim_info[j].action;
2833     direction = helpanim_info[j].direction;
2834
2835     if (element < 0)
2836       element = EL_UNKNOWN;
2837
2838     if (action != -1 && direction != -1)
2839       graphic = el_act_dir2img(element, action, direction);
2840     else if (action != -1)
2841       graphic = el_act2img(element, action);
2842     else if (direction != -1)
2843       graphic = el_dir2img(element, direction);
2844     else
2845       graphic = el2img(element);
2846
2847     delay = helpanim_info[j++].delay;
2848
2849     if (delay == -1)
2850       delay = 1000000;
2851
2852     if (infoscreen_frame[i - start] == 0)
2853     {
2854       sync_frame = 0;
2855       infoscreen_frame[i - start] = delay - 1;
2856     }
2857     else
2858     {
2859       sync_frame = delay - infoscreen_frame[i - start];
2860       infoscreen_frame[i - start]--;
2861     }
2862
2863     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2864     {
2865       if (!infoscreen_frame[i - start])
2866         infoscreen_step[i - start] = 0;
2867     }
2868     else
2869     {
2870       if (!infoscreen_frame[i - start])
2871         infoscreen_step[i - start]++;
2872       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2873         j++;
2874     }
2875
2876     j++;
2877
2878     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2879                                TILEX, TILEY);
2880     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2881                                  graphic, sync_frame, USE_MASKING);
2882
2883     if (init)
2884       DrawInfoScreen_HelpText(element, action, direction, i - start);
2885
2886     i++;
2887   }
2888
2889   redraw_mask |= REDRAW_FIELD;
2890
2891   FrameCounter++;
2892 }
2893
2894 static char *getHelpText(int element, int action, int direction)
2895 {
2896   char token[MAX_LINE_LEN];
2897
2898   strcpy(token, element_info[element].token_name);
2899
2900   if (action != -1)
2901     strcat(token, element_action_info[action].suffix);
2902
2903   if (direction != -1)
2904     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2905
2906   return getHashEntry(helptext_info, token);
2907 }
2908
2909 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
2910 {
2911   int font_nr = FONT_INFO_ELEMENTS;
2912   int font_width = getFontWidth(font_nr);
2913   int font_height = getFontHeight(font_nr);
2914   int yoffset = (TILEX - 2 * font_height) / 2;
2915   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
2916   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
2917   int ystep = TILEY + 4;
2918   int pad_left = xstart - SX;
2919   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
2920   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
2921   int max_lines_per_text = 2;
2922   char *text = NULL;
2923
2924   if (action != -1 && direction != -1)          /* element.action.direction */
2925     text = getHelpText(element, action, direction);
2926
2927   if (text == NULL && action != -1)             /* element.action */
2928     text = getHelpText(element, action, -1);
2929
2930   if (text == NULL && direction != -1)          /* element.direction */
2931     text = getHelpText(element, -1, direction);
2932
2933   if (text == NULL)                             /* base element */
2934     text = getHelpText(element, -1, -1);
2935
2936   if (text == NULL)                             /* not found */
2937     text = "No description available";
2938
2939   if (strlen(text) <= max_chars_per_line)       /* only one line of text */
2940     ystart += getFontHeight(font_nr) / 2;
2941
2942   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
2943                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
2944                  TRUE, FALSE, FALSE);
2945 }
2946
2947 static void DrawInfoScreen_TitleScreen(void)
2948 {
2949   SetGameStatus(GAME_MODE_TITLE);
2950
2951   DrawTitleScreen();
2952 }
2953
2954 void HandleInfoScreen_TitleScreen(int button)
2955 {
2956   HandleTitleScreen(0, 0, 0, 0, button);
2957 }
2958
2959 static void DrawInfoScreen_Elements(void)
2960 {
2961   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
2962
2963   FadeOut(REDRAW_FIELD);
2964
2965   LoadHelpAnimInfo();
2966   LoadHelpTextInfo();
2967
2968   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
2969
2970   FadeIn(REDRAW_FIELD);
2971 }
2972
2973 void HandleInfoScreen_Elements(int button)
2974 {
2975   static unsigned int info_delay = 0;
2976   static int num_anims;
2977   static int num_pages;
2978   static int page;
2979   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
2980   int i;
2981
2982   if (button == MB_MENU_INITIALIZE)
2983   {
2984     boolean new_element = TRUE;
2985
2986     num_anims = 0;
2987
2988     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
2989     {
2990       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
2991         new_element = TRUE;
2992       else if (new_element)
2993       {
2994         num_anims++;
2995         new_element = FALSE;
2996       }
2997     }
2998
2999     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3000     page = 0;
3001   }
3002
3003   if (button == MB_MENU_LEAVE)
3004   {
3005     PlaySound(SND_MENU_ITEM_SELECTING);
3006
3007     info_mode = INFO_MODE_MAIN;
3008     DrawInfoScreen();
3009
3010     return;
3011   }
3012   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3013   {
3014     if (button != MB_MENU_INITIALIZE)
3015     {
3016       PlaySound(SND_MENU_ITEM_SELECTING);
3017
3018       page++;
3019     }
3020
3021     if (page >= num_pages)
3022     {
3023       FadeMenuSoundsAndMusic();
3024
3025       info_mode = INFO_MODE_MAIN;
3026       DrawInfoScreen();
3027
3028       return;
3029     }
3030
3031     if (page > 0)
3032       FadeSetNextScreen();
3033
3034     if (button != MB_MENU_INITIALIZE)
3035       FadeOut(REDRAW_FIELD);
3036
3037     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3038
3039     if (button != MB_MENU_INITIALIZE)
3040       FadeIn(REDRAW_FIELD);
3041   }
3042   else
3043   {
3044     if (DelayReached(&info_delay, GameFrameDelay))
3045       if (page < num_pages)
3046         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3047
3048     PlayMenuSoundIfLoop();
3049   }
3050 }
3051
3052 static void DrawInfoScreen_Music(void)
3053 {
3054   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3055
3056   FadeOut(REDRAW_FIELD);
3057
3058   ClearField();
3059   DrawHeadline();
3060
3061   LoadMusicInfo();
3062
3063   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3064
3065   FadeIn(REDRAW_FIELD);
3066 }
3067
3068 void HandleInfoScreen_Music(int button)
3069 {
3070   static struct MusicFileInfo *list = NULL;
3071   int font_title = MENU_INFO_FONT_TITLE;
3072   int font_head  = MENU_INFO_FONT_HEAD;
3073   int font_text  = MENU_INFO_FONT_TEXT;
3074   int font_foot  = MENU_INFO_FONT_FOOT;
3075   int spacing_title = menu.headline1_spacing_info[info_mode];
3076   int spacing_head  = menu.headline2_spacing_info[info_mode];
3077   int ystep_title = getMenuTextStep(spacing_title, font_title);
3078   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3079   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3080   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3081
3082   if (button == MB_MENU_INITIALIZE)
3083   {
3084     list = music_file_info;
3085
3086     if (list == NULL)
3087     {
3088       FadeMenuSoundsAndMusic();
3089
3090       ClearField();
3091       DrawHeadline();
3092
3093       DrawTextSCentered(ystart, font_title,
3094                         "No music info for this level set.");
3095
3096       DrawTextSCentered(ybottom, font_foot,
3097                         "Press any key or button for info menu");
3098
3099       return;
3100     }
3101   }
3102
3103   if (button == MB_MENU_LEAVE)
3104   {
3105     PlaySound(SND_MENU_ITEM_SELECTING);
3106
3107     FadeMenuSoundsAndMusic();
3108
3109     info_mode = INFO_MODE_MAIN;
3110     DrawInfoScreen();
3111
3112     return;
3113   }
3114   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3115   {
3116     if (button != MB_MENU_INITIALIZE)
3117     {
3118       PlaySound(SND_MENU_ITEM_SELECTING);
3119
3120       if (list != NULL)
3121         list = list->next;
3122     }
3123
3124     if (list == NULL)
3125     {
3126       FadeMenuSoundsAndMusic();
3127
3128       info_mode = INFO_MODE_MAIN;
3129       DrawInfoScreen();
3130
3131       return;
3132     }
3133
3134     FadeMenuSoundsAndMusic();
3135
3136     if (list != music_file_info)
3137       FadeSetNextScreen();
3138
3139     if (button != MB_MENU_INITIALIZE)
3140       FadeOut(REDRAW_FIELD);
3141
3142     ClearField();
3143     DrawHeadline();
3144
3145     if (list->is_sound)
3146     {
3147       int sound = list->music;
3148
3149       if (sound_info[sound].loop)
3150         PlaySoundLoop(sound);
3151       else
3152         PlaySound(sound);
3153
3154       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3155     }
3156     else
3157     {
3158       int music = list->music;
3159
3160       if (music_info[music].loop)
3161         PlayMusicLoop(music);
3162       else
3163         PlayMusic(music);
3164
3165       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3166     }
3167
3168     ystart += ystep_title;
3169
3170     if (!strEqual(list->title, UNKNOWN_NAME))
3171     {
3172       if (!strEqual(list->title_header, UNKNOWN_NAME))
3173       {
3174         DrawTextSCentered(ystart, font_head, list->title_header);
3175         ystart += ystep_head;
3176       }
3177
3178       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3179       ystart += ystep_head;
3180     }
3181
3182     if (!strEqual(list->artist, UNKNOWN_NAME))
3183     {
3184       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3185         DrawTextSCentered(ystart, font_head, list->artist_header);
3186       else
3187         DrawTextSCentered(ystart, font_head, "by");
3188
3189       ystart += ystep_head;
3190
3191       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3192       ystart += ystep_head;
3193     }
3194
3195     if (!strEqual(list->album, UNKNOWN_NAME))
3196     {
3197       if (!strEqual(list->album_header, UNKNOWN_NAME))
3198         DrawTextSCentered(ystart, font_head, list->album_header);
3199       else
3200         DrawTextSCentered(ystart, font_head, "from the album");
3201
3202       ystart += ystep_head;
3203
3204       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3205       ystart += ystep_head;
3206     }
3207
3208     if (!strEqual(list->year, UNKNOWN_NAME))
3209     {
3210       if (!strEqual(list->year_header, UNKNOWN_NAME))
3211         DrawTextSCentered(ystart, font_head, list->year_header);
3212       else
3213         DrawTextSCentered(ystart, font_head, "from the year");
3214
3215       ystart += ystep_head;
3216
3217       DrawTextFCentered(ystart, font_text, "%s", list->year);
3218       ystart += ystep_head;
3219     }
3220
3221     DrawTextSCentered(ybottom, FONT_TEXT_4,
3222                       "Press any key or button for next page");
3223
3224     if (button != MB_MENU_INITIALIZE)
3225       FadeIn(REDRAW_FIELD);
3226   }
3227
3228   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3229     PlaySoundLoop(list->music);
3230 }
3231
3232 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3233 {
3234   int font_title = MENU_INFO_FONT_TITLE;
3235   int font_head  = MENU_INFO_FONT_HEAD;
3236   int font_text  = MENU_INFO_FONT_TEXT;
3237   int font_foot  = MENU_INFO_FONT_FOOT;
3238   int spacing_title = menu.headline1_spacing_info[info_mode];
3239   int spacing_head  = menu.headline2_spacing_info[info_mode];
3240   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3241   int spacing_line  = menu.line_spacing_info[info_mode];
3242   int ystep_title = getMenuTextStep(spacing_title, font_title);
3243   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3244   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3245   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3246   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3247   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3248
3249   ClearField();
3250   DrawHeadline();
3251
3252   DrawTextSCentered(ystart, font_title, "Credits:");
3253   ystart += ystep_title;
3254
3255   if (screen_nr == 0)
3256   {
3257     DrawTextSCentered(ystart, font_head,
3258                       "Special thanks to");
3259     ystart += ystep_head;
3260     DrawTextSCentered(ystart, font_text,
3261                       "Peter Liepa");
3262     ystart += ystep_head;
3263     DrawTextSCentered(ystart, font_head,
3264                       "for creating");
3265     ystart += ystep_head;
3266     DrawTextSCentered(ystart, font_text,
3267                       "\"Boulder Dash\"");
3268     ystart += ystep_head;
3269     DrawTextSCentered(ystart, font_head,
3270                       "in the year");
3271     ystart += ystep_head;
3272     DrawTextSCentered(ystart, font_text,
3273                       "1984");
3274     ystart += ystep_head;
3275     DrawTextSCentered(ystart, font_head,
3276                       "published by");
3277     ystart += ystep_head;
3278     DrawTextSCentered(ystart, font_text,
3279                       "First Star Software");
3280   }
3281   else if (screen_nr == 1)
3282   {
3283     DrawTextSCentered(ystart, font_head,
3284                       "Special thanks to");
3285     ystart += ystep_head;
3286     DrawTextSCentered(ystart, font_text,
3287                       "Klaus Heinz & Volker Wertich");
3288     ystart += ystep_head;
3289     DrawTextSCentered(ystart, font_head,
3290                       "for creating");
3291     ystart += ystep_head;
3292     DrawTextSCentered(ystart, font_text,
3293                       "\"Emerald Mine\"");
3294     ystart += ystep_head;
3295     DrawTextSCentered(ystart, font_head,
3296                       "in the year");
3297     ystart += ystep_head;
3298     DrawTextSCentered(ystart, font_text,
3299                       "1987");
3300     ystart += ystep_head;
3301     DrawTextSCentered(ystart, font_head,
3302                       "published by");
3303     ystart += ystep_head;
3304     DrawTextSCentered(ystart, font_text,
3305                       "Kingsoft");
3306   }
3307   else if (screen_nr == 2)
3308   {
3309     DrawTextSCentered(ystart, font_head,
3310                       "Special thanks to");
3311     ystart += ystep_head;
3312     DrawTextSCentered(ystart, font_text,
3313                       "Michael Stopp & Philip Jespersen");
3314     ystart += ystep_head;
3315     DrawTextSCentered(ystart, font_head,
3316                       "for creating");
3317     ystart += ystep_head;
3318     DrawTextSCentered(ystart, font_text,
3319                       "\"Supaplex\"");
3320     ystart += ystep_head;
3321     DrawTextSCentered(ystart, font_head,
3322                       "in the year");
3323     ystart += ystep_head;
3324     DrawTextSCentered(ystart, font_text,
3325                       "1991");
3326     ystart += ystep_head;
3327     DrawTextSCentered(ystart, font_head,
3328                       "published by");
3329     ystart += ystep_head;
3330     DrawTextSCentered(ystart, font_text,
3331                       "Digital Integration");
3332   }
3333   else if (screen_nr == 3)
3334   {
3335     DrawTextSCentered(ystart, font_head,
3336                       "Special thanks to");
3337     ystart += ystep_head;
3338     DrawTextSCentered(ystart, font_text,
3339                       "Hiroyuki Imabayashi");
3340     ystart += ystep_head;
3341     DrawTextSCentered(ystart, font_head,
3342                       "for creating");
3343     ystart += ystep_head;
3344     DrawTextSCentered(ystart, font_text,
3345                       "\"Sokoban\"");
3346     ystart += ystep_head;
3347     DrawTextSCentered(ystart, font_head,
3348                       "in the year");
3349     ystart += ystep_head;
3350     DrawTextSCentered(ystart, font_text,
3351                       "1982");
3352     ystart += ystep_head;
3353     DrawTextSCentered(ystart, font_head,
3354                       "published by");
3355     ystart += ystep_head;
3356     DrawTextSCentered(ystart, font_text,
3357                       "Thinking Rabbit");
3358   }
3359   else if (screen_nr == 4)
3360   {
3361     DrawTextSCentered(ystart, font_head,
3362                       "Special thanks to");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "Alan Bond");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "and");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "J\xfcrgen Bonhagen");
3372     ystart += ystep_head;
3373     DrawTextSCentered(ystart, font_head,
3374                       "for the continuous creation");
3375     ystart += ystep_line;
3376     DrawTextSCentered(ystart, font_head,
3377                       "of outstanding level sets");
3378   }
3379   else if (screen_nr == 5)
3380   {
3381     DrawTextSCentered(ystart, font_head,
3382                       "Thanks to");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "Peter Elzner");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "for ideas and inspiration by");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "Diamond Caves");
3392     ystart += ystep_para;
3393
3394     DrawTextSCentered(ystart, font_head,
3395                       "Thanks to");
3396     ystart += ystep_head;
3397     DrawTextSCentered(ystart, font_text,
3398                       "Steffest");
3399     ystart += ystep_head;
3400     DrawTextSCentered(ystart, font_head,
3401                       "for ideas and inspiration by");
3402     ystart += ystep_head;
3403     DrawTextSCentered(ystart, font_text,
3404                       "DX-Boulderdash");
3405   }
3406   else if (screen_nr == 6)
3407   {
3408     DrawTextSCentered(ystart, font_head,
3409                       "Thanks to");
3410     ystart += ystep_head;
3411     DrawTextSCentered(ystart, font_text,
3412                       "David Tritscher");
3413     ystart += ystep_head;
3414     DrawTextSCentered(ystart, font_head,
3415                       "for the code base used for the");
3416     ystart += ystep_line;
3417     DrawTextSCentered(ystart, font_head,
3418                       "native Emerald Mine engine");
3419   }
3420   else if (screen_nr == 7)
3421   {
3422     DrawTextSCentered(ystart, font_head,
3423                       "Thanks to");
3424     ystart += ystep_head;
3425     DrawTextSCentered(ystart, font_text,
3426                       "Guido Schulz");
3427     ystart += ystep_head;
3428     DrawTextSCentered(ystart, font_head,
3429                       "for the initial DOS port");
3430     ystart += ystep_para;
3431
3432     DrawTextSCentered(ystart, font_head,
3433                       "Thanks to");
3434     ystart += ystep_head;
3435     DrawTextSCentered(ystart, font_text,
3436                       "Karl H\xf6rnell");
3437     ystart += ystep_head;
3438     DrawTextSCentered(ystart, font_head,
3439                       "for some additional toons");
3440   }
3441   else if (screen_nr == 8)
3442   {
3443     DrawTextSCentered(ystart, font_head,
3444                       "And not to forget:");
3445     ystart += ystep_head;
3446     DrawTextSCentered(ystart, font_head,
3447                       "Many thanks to");
3448     ystart += ystep_head;
3449     DrawTextSCentered(ystart, font_text,
3450                       "All those who contributed");
3451     ystart += ystep_line;
3452     DrawTextSCentered(ystart, font_text,
3453                       "levels to this game");
3454     ystart += ystep_line;
3455     DrawTextSCentered(ystart, font_text,
3456                       "since 1995");
3457   }
3458
3459   DrawTextSCentered(ybottom, font_foot,
3460                     "Press any key or button for next page");
3461 }
3462
3463 static void DrawInfoScreen_Credits(void)
3464 {
3465   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3466
3467   FadeMenuSoundsAndMusic();
3468
3469   FadeOut(REDRAW_FIELD);
3470
3471   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3472
3473   FadeIn(REDRAW_FIELD);
3474 }
3475
3476 void HandleInfoScreen_Credits(int button)
3477 {
3478   static int screen_nr = 0;
3479   int num_screens = 9;
3480
3481   if (button == MB_MENU_INITIALIZE)
3482   {
3483     screen_nr = 0;
3484
3485     // DrawInfoScreen_CreditsScreen(screen_nr);
3486   }
3487
3488   if (button == MB_MENU_LEAVE)
3489   {
3490     PlaySound(SND_MENU_ITEM_SELECTING);
3491
3492     info_mode = INFO_MODE_MAIN;
3493     DrawInfoScreen();
3494
3495     return;
3496   }
3497   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3498   {
3499     if (button != MB_MENU_INITIALIZE)
3500     {
3501       PlaySound(SND_MENU_ITEM_SELECTING);
3502
3503       screen_nr++;
3504     }
3505
3506     if (screen_nr >= num_screens)
3507     {
3508       FadeMenuSoundsAndMusic();
3509
3510       info_mode = INFO_MODE_MAIN;
3511       DrawInfoScreen();
3512
3513       return;
3514     }
3515
3516     if (screen_nr > 0)
3517       FadeSetNextScreen();
3518
3519     if (button != MB_MENU_INITIALIZE)
3520       FadeOut(REDRAW_FIELD);
3521
3522     DrawInfoScreen_CreditsScreen(screen_nr);
3523
3524     if (button != MB_MENU_INITIALIZE)
3525       FadeIn(REDRAW_FIELD);
3526   }
3527   else
3528   {
3529     PlayMenuSoundIfLoop();
3530   }
3531 }
3532
3533 static void DrawInfoScreen_Program(void)
3534 {
3535   int font_title = MENU_INFO_FONT_TITLE;
3536   int font_head  = MENU_INFO_FONT_HEAD;
3537   int font_text  = MENU_INFO_FONT_TEXT;
3538   int font_foot  = MENU_INFO_FONT_FOOT;
3539   int spacing_title = menu.headline1_spacing_info[info_mode];
3540   int spacing_head  = menu.headline2_spacing_info[info_mode];
3541   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3542   int spacing_line  = menu.line_spacing_info[info_mode];
3543   int ystep_title = getMenuTextStep(spacing_title, font_title);
3544   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3545   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3546   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3547   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3548   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3549
3550   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3551
3552   FadeOut(REDRAW_FIELD);
3553
3554   ClearField();
3555   DrawHeadline();
3556
3557   DrawTextSCentered(ystart, font_title, "Program Information:");
3558   ystart += ystep_title;
3559
3560   DrawTextSCentered(ystart, font_head,
3561                     "This game is Freeware!");
3562   ystart += ystep_head;
3563   DrawTextSCentered(ystart, font_head,
3564                     "If you like it, send e-mail to:");
3565   ystart += ystep_head;
3566   DrawTextSCentered(ystart, font_text,
3567                     setup.internal.program_email);
3568   ystart += ystep_para;
3569
3570   DrawTextSCentered(ystart, font_head,
3571                     "More information and levels:");
3572   ystart += ystep_head;
3573   DrawTextSCentered(ystart, font_text,
3574                     setup.internal.program_website);
3575   ystart += ystep_para;
3576
3577   DrawTextSCentered(ystart, font_head,
3578                     "If you have created new levels,");
3579   ystart += ystep_line;
3580   DrawTextSCentered(ystart, font_head,
3581                     "send them to me to include them!");
3582   ystart += ystep_head;
3583   DrawTextSCentered(ystart, font_head,
3584                     ":-)");
3585
3586   DrawTextSCentered(ybottom, font_foot,
3587                     "Press any key or button for info menu");
3588
3589   FadeIn(REDRAW_FIELD);
3590 }
3591
3592 void HandleInfoScreen_Program(int button)
3593 {
3594   if (button == MB_MENU_LEAVE)
3595   {
3596     PlaySound(SND_MENU_ITEM_SELECTING);
3597
3598     info_mode = INFO_MODE_MAIN;
3599     DrawInfoScreen();
3600
3601     return;
3602   }
3603   else if (button == MB_MENU_CHOICE)
3604   {
3605     PlaySound(SND_MENU_ITEM_SELECTING);
3606
3607     FadeMenuSoundsAndMusic();
3608
3609     info_mode = INFO_MODE_MAIN;
3610     DrawInfoScreen();
3611   }
3612   else
3613   {
3614     PlayMenuSoundIfLoop();
3615   }
3616 }
3617
3618 static void DrawInfoScreen_Version(void)
3619 {
3620   int font_title = MENU_INFO_FONT_TITLE;
3621   int font_head  = MENU_INFO_FONT_HEAD;
3622   int font_text  = MENU_INFO_FONT_TEXT;
3623   int font_foot  = MENU_INFO_FONT_FOOT;
3624   int spacing_title = menu.headline1_spacing_info[info_mode];
3625   int spacing_head  = menu.headline2_spacing_info[info_mode];
3626   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3627   int spacing_line  = menu.line_spacing_info[info_mode];
3628   int xstep = getFontWidth(font_text);
3629   int ystep_title = getMenuTextStep(spacing_title, font_title);
3630   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3631   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3632   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3633   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3634   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3635   int xstart1 = mSX - SX + 2 * xstep;
3636   int xstart2 = mSX - SX + 18 * xstep;
3637   int xstart3 = mSX - SX + 28 * xstep;
3638   SDL_version sdl_version_compiled;
3639   const SDL_version *sdl_version_linked;
3640   int driver_name_len = 10;
3641 #if defined(TARGET_SDL2)
3642   SDL_version sdl_version_linked_ext;
3643   const char *driver_name = NULL;
3644 #else
3645   char driver_name[driver_name_len];
3646 #endif
3647
3648   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3649
3650   FadeOut(REDRAW_FIELD);
3651
3652   ClearField();
3653   DrawHeadline();
3654
3655   DrawTextSCentered(ystart, font_title, "Version Information:");
3656   ystart += ystep_title;
3657
3658   DrawTextF(xstart1, ystart, font_head, "Name");
3659   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3660   ystart += ystep_line;
3661
3662   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3663   {
3664     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3665     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3666     ystart += ystep_line;
3667
3668     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3669     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3670     ystart += ystep_line;
3671   }
3672   else
3673   {
3674     DrawTextF(xstart1, ystart, font_head, "Version");
3675     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3676     ystart += ystep_line;
3677   }
3678
3679   DrawTextF(xstart1, ystart, font_head, "Platform");
3680   DrawTextF(xstart2, ystart, font_text, PLATFORM_STRING);
3681   ystart += ystep_line;
3682
3683   DrawTextF(xstart1, ystart, font_head, "Target");
3684   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3685   ystart += ystep_line;
3686
3687   DrawTextF(xstart1, ystart, font_head, "Source date");
3688   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3689   ystart += ystep_para;
3690
3691   DrawTextF(xstart1, ystart, font_head, "Library");
3692   DrawTextF(xstart2, ystart, font_head, "compiled");
3693   DrawTextF(xstart3, ystart, font_head, "linked");
3694   ystart += ystep_head;
3695
3696   SDL_VERSION(&sdl_version_compiled);
3697 #if defined(TARGET_SDL2)
3698   SDL_GetVersion(&sdl_version_linked_ext);
3699   sdl_version_linked = &sdl_version_linked_ext;
3700 #else
3701   sdl_version_linked = SDL_Linked_Version();
3702 #endif
3703
3704   DrawTextF(xstart1, ystart, font_text, "SDL");
3705   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3706             sdl_version_compiled.major,
3707             sdl_version_compiled.minor,
3708             sdl_version_compiled.patch);
3709   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3710             sdl_version_linked->major,
3711             sdl_version_linked->minor,
3712             sdl_version_linked->patch);
3713   ystart += ystep_line;
3714
3715   SDL_IMAGE_VERSION(&sdl_version_compiled);
3716   sdl_version_linked = IMG_Linked_Version();
3717
3718   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3719   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3720             sdl_version_compiled.major,
3721             sdl_version_compiled.minor,
3722             sdl_version_compiled.patch);
3723   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3724             sdl_version_linked->major,
3725             sdl_version_linked->minor,
3726             sdl_version_linked->patch);
3727   ystart += ystep_line;
3728
3729   SDL_MIXER_VERSION(&sdl_version_compiled);
3730   sdl_version_linked = Mix_Linked_Version();
3731
3732   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3733   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3734             sdl_version_compiled.major,
3735             sdl_version_compiled.minor,
3736             sdl_version_compiled.patch);
3737   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3738             sdl_version_linked->major,
3739             sdl_version_linked->minor,
3740             sdl_version_linked->patch);
3741   ystart += ystep_line;
3742
3743   SDL_NET_VERSION(&sdl_version_compiled);
3744   sdl_version_linked = SDLNet_Linked_Version();
3745
3746   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3747   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3748             sdl_version_compiled.major,
3749             sdl_version_compiled.minor,
3750             sdl_version_compiled.patch);
3751   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3752             sdl_version_linked->major,
3753             sdl_version_linked->minor,
3754             sdl_version_linked->patch);
3755   ystart += ystep_para;
3756
3757   DrawTextF(xstart1, ystart, font_head, "Driver");
3758   DrawTextF(xstart2, ystart, font_head, "Requested");
3759   DrawTextF(xstart3, ystart, font_head, "Used");
3760   ystart += ystep_head;
3761
3762 #if defined(TARGET_SDL2)
3763   driver_name = getStringCopyNStatic(SDL_GetVideoDriver(0), driver_name_len);
3764 #else
3765   SDL_VideoDriverName(driver_name, driver_name_len);
3766 #endif
3767
3768   DrawTextF(xstart1, ystart, font_text, "SDL_VideoDriver");
3769   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3770   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3771   ystart += ystep_line;
3772
3773 #if defined(TARGET_SDL2)
3774   driver_name = getStringCopyNStatic(SDL_GetAudioDriver(0), driver_name_len);
3775 #else
3776   SDL_AudioDriverName(driver_name, driver_name_len);
3777 #endif
3778
3779   DrawTextF(xstart1, ystart, font_text, "SDL_AudioDriver");
3780   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3781   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3782
3783   DrawTextSCentered(ybottom, font_foot,
3784                     "Press any key or button for info menu");
3785
3786   FadeIn(REDRAW_FIELD);
3787 }
3788
3789 void HandleInfoScreen_Version(int button)
3790 {
3791   if (button == MB_MENU_LEAVE)
3792   {
3793     PlaySound(SND_MENU_ITEM_SELECTING);
3794
3795     info_mode = INFO_MODE_MAIN;
3796     DrawInfoScreen();
3797
3798     return;
3799   }
3800   else if (button == MB_MENU_CHOICE)
3801   {
3802     PlaySound(SND_MENU_ITEM_SELECTING);
3803
3804     FadeMenuSoundsAndMusic();
3805
3806     info_mode = INFO_MODE_MAIN;
3807     DrawInfoScreen();
3808   }
3809   else
3810   {
3811     PlayMenuSoundIfLoop();
3812   }
3813 }
3814
3815 static void DrawInfoScreen_LevelSet(void)
3816 {
3817   struct TitleMessageInfo *tmi = &readme;
3818   char *filename = getLevelSetInfoFilename();
3819   char *title = "Level Set Information:";
3820   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3821   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3822
3823   if (filename == NULL)
3824   {
3825     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3826
3827     return;
3828   }
3829
3830   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3831
3832   FadeOut(REDRAW_FIELD);
3833
3834   ClearField();
3835   DrawHeadline();
3836
3837   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3838
3839   /* if x position set to "-1", automatically determine by playfield width */
3840   if (tmi->x == -1)
3841     tmi->x = SXSIZE / 2;
3842
3843   /* if y position set to "-1", use static default value */
3844   if (tmi->y == -1)
3845     tmi->y = 150;
3846
3847   /* if width set to "-1", automatically determine by playfield width */
3848   if (tmi->width == -1)
3849     tmi->width = SXSIZE - 2 * TILEX;
3850
3851   /* if height set to "-1", automatically determine by playfield height */
3852   if (tmi->height == -1)
3853     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3854
3855   /* if chars set to "-1", automatically determine by text and font width */
3856   if (tmi->chars == -1)
3857     tmi->chars = tmi->width / getFontWidth(tmi->font);
3858   else
3859     tmi->width = tmi->chars * getFontWidth(tmi->font);
3860
3861   /* if lines set to "-1", automatically determine by text and font height */
3862   if (tmi->lines == -1)
3863     tmi->lines = tmi->height / getFontHeight(tmi->font);
3864   else
3865     tmi->height = tmi->lines * getFontHeight(tmi->font);
3866
3867   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3868                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3869                tmi->autowrap, tmi->centered, tmi->parse_comments);
3870
3871   DrawTextSCentered(ybottom, FONT_TEXT_4,
3872                     "Press any key or button for info menu");
3873
3874   FadeIn(REDRAW_FIELD);
3875 }
3876
3877 static void HandleInfoScreen_LevelSet(int button)
3878 {
3879   if (button == MB_MENU_LEAVE)
3880   {
3881     PlaySound(SND_MENU_ITEM_SELECTING);
3882
3883     info_mode = INFO_MODE_MAIN;
3884     DrawInfoScreen();
3885
3886     return;
3887   }
3888   else if (button == MB_MENU_CHOICE)
3889   {
3890     PlaySound(SND_MENU_ITEM_SELECTING);
3891
3892     FadeMenuSoundsAndMusic();
3893
3894     info_mode = INFO_MODE_MAIN;
3895     DrawInfoScreen();
3896   }
3897   else
3898   {
3899     PlayMenuSoundIfLoop();
3900   }
3901 }
3902
3903 static void DrawInfoScreen(void)
3904 {
3905   if (info_mode == INFO_MODE_TITLE)
3906     DrawInfoScreen_TitleScreen();
3907   else if (info_mode == INFO_MODE_ELEMENTS)
3908     DrawInfoScreen_Elements();
3909   else if (info_mode == INFO_MODE_MUSIC)
3910     DrawInfoScreen_Music();
3911   else if (info_mode == INFO_MODE_CREDITS)
3912     DrawInfoScreen_Credits();
3913   else if (info_mode == INFO_MODE_PROGRAM)
3914     DrawInfoScreen_Program();
3915   else if (info_mode == INFO_MODE_VERSION)
3916     DrawInfoScreen_Version();
3917   else if (info_mode == INFO_MODE_LEVELSET)
3918     DrawInfoScreen_LevelSet();
3919   else
3920     DrawInfoScreen_Main();
3921
3922   if (info_mode != INFO_MODE_MAIN &&
3923       info_mode != INFO_MODE_TITLE &&
3924       info_mode != INFO_MODE_MUSIC)
3925     PlayMenuSoundsAndMusic();
3926 }
3927
3928 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3929 {
3930   if (info_mode == INFO_MODE_TITLE)
3931     HandleInfoScreen_TitleScreen(button);
3932   else if (info_mode == INFO_MODE_ELEMENTS)
3933     HandleInfoScreen_Elements(button);
3934   else if (info_mode == INFO_MODE_MUSIC)
3935     HandleInfoScreen_Music(button);
3936   else if (info_mode == INFO_MODE_CREDITS)
3937     HandleInfoScreen_Credits(button);
3938   else if (info_mode == INFO_MODE_PROGRAM)
3939     HandleInfoScreen_Program(button);
3940   else if (info_mode == INFO_MODE_VERSION)
3941     HandleInfoScreen_Version(button);
3942   else if (info_mode == INFO_MODE_LEVELSET)
3943     HandleInfoScreen_LevelSet(button);
3944   else
3945     HandleInfoScreen_Main(mx, my, dx, dy, button);
3946 }
3947
3948
3949 /* ========================================================================= */
3950 /* type name functions                                                       */
3951 /* ========================================================================= */
3952
3953 void HandleTypeName(int newxpos, Key key)
3954 {
3955   static char last_player_name[MAX_PLAYER_NAME_LEN + 1];
3956   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
3957   struct TextPosInfo *pos = mci->pos_input;
3958   int startx = mSX + ALIGNED_TEXT_XPOS(pos);
3959   int starty = mSY + ALIGNED_TEXT_YPOS(pos);
3960   static int xpos = 0;
3961   int font_nr = pos->font;
3962   int font_active_nr = FONT_ACTIVE(font_nr);
3963   int font_width = getFontWidth(font_active_nr);
3964   char key_char = getValidConfigValueChar(getCharFromKey(key));
3965   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
3966   boolean is_active = TRUE;
3967
3968   DrawBackgroundForFont(startx,starty, pos->width, pos->height, font_active_nr);
3969
3970   if (newxpos)
3971   {
3972     strcpy(last_player_name, setup.player_name);
3973
3974     xpos = newxpos;
3975
3976     StartTextInput(startx, starty, pos->width, pos->height);
3977   }
3978   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
3979   {
3980     setup.player_name[xpos] = key_char;
3981     setup.player_name[xpos + 1] = 0;
3982
3983     xpos++;
3984   }
3985   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
3986   {
3987     xpos--;
3988
3989     setup.player_name[xpos] = 0;
3990   }
3991   else if (key == KSYM_Return && xpos > 0)
3992   {
3993     SaveSetup();
3994
3995     is_active = FALSE;
3996
3997     SetGameStatus(GAME_MODE_MAIN);
3998   }
3999   else if (key == KSYM_Escape)
4000   {
4001     strcpy(setup.player_name, last_player_name);
4002
4003     is_active = FALSE;
4004
4005     SetGameStatus(GAME_MODE_MAIN);
4006   }
4007
4008   if (is_active)
4009   {
4010     pos->width = (strlen(setup.player_name) + 1) * font_width;
4011     startx = mSX + ALIGNED_TEXT_XPOS(pos);
4012
4013     DrawText(startx, starty, setup.player_name, font_active_nr);
4014     DrawText(startx + xpos * font_width, starty, "_", font_active_nr);
4015   }
4016   else
4017   {
4018     pos->width = strlen(setup.player_name) * font_width;
4019     startx = mSX + ALIGNED_TEXT_XPOS(pos);
4020
4021     DrawText(startx, starty, setup.player_name, font_nr);
4022
4023     StopTextInput();
4024   }
4025 }
4026
4027
4028 /* ========================================================================= */
4029 /* tree menu functions                                                       */
4030 /* ========================================================================= */
4031
4032 static void DrawChooseTree(TreeInfo **ti_ptr)
4033 {
4034   int fade_mask = REDRAW_FIELD;
4035
4036   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
4037     fade_mask = REDRAW_ALL;
4038
4039   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4040   {
4041     SetGameStatus(GAME_MODE_MAIN);
4042
4043     DrawMainMenu();
4044
4045     return;
4046   }
4047
4048   UnmapAllGadgets();
4049
4050   FreeScreenGadgets();
4051   CreateScreenGadgets();
4052
4053   FadeOut(fade_mask);
4054
4055   /* needed if different viewport properties defined for choosing level (set) */
4056   ChangeViewportPropertiesIfNeeded();
4057
4058   if (game_status == GAME_MODE_LEVELNR)
4059     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4060   else if (game_status == GAME_MODE_LEVELS)
4061     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4062
4063   ClearField();
4064
4065   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4066
4067   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4068   MapScreenTreeGadgets(*ti_ptr);
4069
4070   DrawMaskedBorder(fade_mask);
4071
4072   FadeIn(fade_mask);
4073 }
4074
4075 static void drawChooseTreeList(int first_entry, int num_page_entries,
4076                                TreeInfo *ti)
4077 {
4078   int i;
4079   char *title_string = NULL;
4080   int yoffset_sets = MENU_TITLE1_YPOS;
4081   int yoffset_setup = 16;
4082   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4083                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4084
4085   title_string = ti->infotext;
4086
4087   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4088
4089   clearMenuListArea();
4090
4091   for (i = 0; i < num_page_entries; i++)
4092   {
4093     TreeInfo *node, *node_first;
4094     int entry_pos = first_entry + i;
4095     int xpos = MENU_SCREEN_START_XPOS;
4096     int ypos = MENU_SCREEN_START_YPOS + i;
4097     int startx = mSX + xpos * 32;
4098     int starty = mSY + ypos * 32;
4099     int font_nr = FONT_TEXT_1;
4100     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4101     int startx_text = startx + font_xoffset;
4102     int startx_scrollbar = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4103     int text_size = startx_scrollbar - startx_text;
4104     int max_buffer_len = text_size / getFontWidth(font_nr);
4105     char buffer[max_buffer_len + 1];
4106
4107     node_first = getTreeInfoFirstGroupEntry(ti);
4108     node = getTreeInfoFromPos(node_first, entry_pos);
4109
4110     strncpy(buffer, node->name, max_buffer_len);
4111     buffer[max_buffer_len] = '\0';
4112
4113     DrawText(startx, starty, buffer, font_nr + node->color);
4114
4115     if (node->parent_link)
4116       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4117     else if (node->level_group)
4118       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4119     else
4120       initCursor(i, IMG_MENU_BUTTON);
4121   }
4122
4123   redraw_mask |= REDRAW_FIELD;
4124 }
4125
4126 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4127 {
4128   TreeInfo *node, *node_first;
4129   int x, last_redraw_mask = redraw_mask;
4130   int ypos = MENU_TITLE2_YPOS;
4131   int font_nr = FONT_TITLE_2;
4132
4133   if (ti->type == TREE_TYPE_LEVEL_NR)
4134     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4135
4136   if (ti->type != TREE_TYPE_LEVEL_DIR)
4137     return;
4138
4139   node_first = getTreeInfoFirstGroupEntry(ti);
4140   node = getTreeInfoFromPos(node_first, entry_pos);
4141
4142   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4143
4144   if (node->parent_link)
4145     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4146                       node->node_parent->name);
4147   else if (node->level_group)
4148     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4149                       node->name);
4150   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4151     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4152                       node->levels, (node->levels > 1 ? "levels" : "level"),
4153                       node->class_desc);
4154
4155   /* let BackToFront() redraw only what is needed */
4156   redraw_mask = last_redraw_mask;
4157   for (x = 0; x < SCR_FIELDX; x++)
4158     MarkTileDirty(x, 1);
4159 }
4160
4161 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4162                              TreeInfo **ti_ptr)
4163 {
4164   TreeInfo *ti = *ti_ptr;
4165   int x = 0;
4166   int y = ti->cl_cursor;
4167   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4168   int num_entries = numTreeInfoInGroup(ti);
4169   int num_page_entries;
4170   boolean position_set_by_scrollbar = (dx == 999);
4171
4172   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
4173     num_page_entries = num_entries;
4174   else
4175     num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
4176
4177   if (button == MB_MENU_INITIALIZE)
4178   {
4179     int num_entries = numTreeInfoInGroup(ti);
4180     int entry_pos = posTreeInfo(ti);
4181
4182     if (ti->cl_first == -1)
4183     {
4184       /* only on initialization */
4185       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4186       ti->cl_cursor = entry_pos - ti->cl_first;
4187     }
4188     else if (ti->cl_cursor >= num_page_entries ||
4189              (num_entries > num_page_entries &&
4190               num_entries - ti->cl_first < num_page_entries))
4191     {
4192       /* only after change of list size (by custom graphic configuration) */
4193       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4194       ti->cl_cursor = entry_pos - ti->cl_first;
4195     }
4196
4197     if (position_set_by_scrollbar)
4198       ti->cl_first = dy;
4199     else
4200       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4201                                 ti->cl_first, ti);
4202
4203     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4204     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4205     drawChooseTreeCursor(ti->cl_cursor, TRUE);
4206
4207     return;
4208   }
4209   else if (button == MB_MENU_LEAVE)
4210   {
4211     FadeSetLeaveMenu();
4212
4213     PlaySound(SND_MENU_ITEM_SELECTING);
4214
4215     if (ti->node_parent)
4216     {
4217       *ti_ptr = ti->node_parent;
4218       DrawChooseTree(ti_ptr);
4219     }
4220     else if (game_status == GAME_MODE_SETUP)
4221     {
4222       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4223           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4224           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4225         execSetupGame();
4226       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4227                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4228                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4229                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4230         execSetupGraphics();
4231       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4232                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4233                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4234         execSetupSound();
4235       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4236                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4237                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4238                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4239                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4240                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4241                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4242                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4243         execSetupTouch();
4244       else
4245         execSetupArtwork();
4246     }
4247     else
4248     {
4249       if (game_status == GAME_MODE_LEVELNR)
4250       {
4251         int new_level_nr = atoi(level_number_current->identifier);
4252
4253         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4254       }
4255
4256       SetGameStatus(GAME_MODE_MAIN);
4257
4258       DrawMainMenu();
4259     }
4260
4261     return;
4262   }
4263
4264   if (mx || my)         /* mouse input */
4265   {
4266     x = (mx - mSX) / 32;
4267     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
4268   }
4269   else if (dx || dy)    /* keyboard or scrollbar/scrollbutton input */
4270   {
4271     /* move cursor instead of scrolling when already at start/end of list */
4272     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4273       dy = -1;
4274     else if (dy == +1 * SCROLL_LINE &&
4275              ti->cl_first + num_page_entries == num_entries)
4276       dy = 1;
4277
4278     /* handle scrolling screen one line or page */
4279     if (ti->cl_cursor + dy < 0 ||
4280         ti->cl_cursor + dy > num_page_entries - 1)
4281     {
4282       boolean redraw = FALSE;
4283
4284       if (ABS(dy) == SCROLL_PAGE)
4285         step = num_page_entries - 1;
4286
4287       if (dy < 0 && ti->cl_first > 0)
4288       {
4289         /* scroll page/line up */
4290
4291         ti->cl_first -= step;
4292         if (ti->cl_first < 0)
4293           ti->cl_first = 0;
4294
4295         redraw = TRUE;
4296       }
4297       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4298       {
4299         /* scroll page/line down */
4300
4301         ti->cl_first += step;
4302         if (ti->cl_first + num_page_entries > num_entries)
4303           ti->cl_first = MAX(0, num_entries - num_page_entries);
4304
4305         redraw = TRUE;
4306       }
4307
4308       if (redraw)
4309       {
4310         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4311         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4312         drawChooseTreeCursor(ti->cl_cursor, TRUE);
4313
4314         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4315                                   ti->cl_first, ti);
4316       }
4317
4318       return;
4319     }
4320
4321     /* handle moving cursor one line */
4322     y = ti->cl_cursor + dy;
4323   }
4324
4325   if (dx == 1)
4326   {
4327     TreeInfo *node_first, *node_cursor;
4328     int entry_pos = ti->cl_first + y;
4329
4330     node_first = getTreeInfoFirstGroupEntry(ti);
4331     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4332
4333     if (node_cursor->node_group)
4334     {
4335       FadeSetEnterMenu();
4336
4337       PlaySound(SND_MENU_ITEM_SELECTING);
4338
4339       node_cursor->cl_first = ti->cl_first;
4340       node_cursor->cl_cursor = ti->cl_cursor;
4341       *ti_ptr = node_cursor->node_group;
4342       DrawChooseTree(ti_ptr);
4343
4344       return;
4345     }
4346   }
4347   else if (dx == -1 && ti->node_parent)
4348   {
4349     FadeSetLeaveMenu();
4350
4351     PlaySound(SND_MENU_ITEM_SELECTING);
4352
4353     *ti_ptr = ti->node_parent;
4354     DrawChooseTree(ti_ptr);
4355
4356     return;
4357   }
4358
4359   if (!anyScrollbarGadgetActive() &&
4360       IN_VIS_MENU(x, y) &&
4361       mx < screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x &&
4362       y >= 0 && y < num_page_entries)
4363   {
4364     if (button)
4365     {
4366       if (y != ti->cl_cursor)
4367       {
4368         PlaySound(SND_MENU_ITEM_ACTIVATING);
4369
4370         drawChooseTreeCursor(ti->cl_cursor, FALSE);
4371         drawChooseTreeCursor(y, TRUE);
4372         drawChooseTreeInfo(ti->cl_first + y, ti);
4373
4374         ti->cl_cursor = y;
4375       }
4376       else if (dx < 0)
4377       {
4378         if (game_status == GAME_MODE_SETUP)
4379         {
4380           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4381               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4382               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4383             execSetupGame();
4384           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4385                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4386                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4387                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4388             execSetupGraphics();
4389           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4390                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4391                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4392             execSetupSound();
4393           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4394                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4395                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4396                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4397                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4398                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4399                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4400                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4401             execSetupTouch();
4402           else
4403             execSetupArtwork();
4404         }
4405       }
4406     }
4407     else
4408     {
4409       TreeInfo *node_first, *node_cursor;
4410       int entry_pos = ti->cl_first + y;
4411
4412       PlaySound(SND_MENU_ITEM_SELECTING);
4413
4414       node_first = getTreeInfoFirstGroupEntry(ti);
4415       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4416
4417       if (node_cursor->node_group)
4418       {
4419         FadeSetEnterMenu();
4420
4421         node_cursor->cl_first = ti->cl_first;
4422         node_cursor->cl_cursor = ti->cl_cursor;
4423         *ti_ptr = node_cursor->node_group;
4424         DrawChooseTree(ti_ptr);
4425       }
4426       else if (node_cursor->parent_link)
4427       {
4428         FadeSetLeaveMenu();
4429
4430         *ti_ptr = node_cursor->node_parent;
4431         DrawChooseTree(ti_ptr);
4432       }
4433       else
4434       {
4435         FadeSetEnterMenu();
4436
4437         node_cursor->cl_first = ti->cl_first;
4438         node_cursor->cl_cursor = ti->cl_cursor;
4439         *ti_ptr = node_cursor;
4440
4441         if (ti->type == TREE_TYPE_LEVEL_DIR)
4442         {
4443           LoadLevelSetup_SeriesInfo();
4444
4445           SaveLevelSetup_LastSeries();
4446           SaveLevelSetup_SeriesInfo();
4447           TapeErase();
4448         }
4449
4450         if (game_status == GAME_MODE_SETUP)
4451         {
4452           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4453               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4454               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4455             execSetupGame();
4456           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4457                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4458                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4459                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4460             execSetupGraphics();
4461           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4462                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4463                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4464             execSetupSound();
4465           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4466                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4467                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4468                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4469                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4470                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4471                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4472                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4473             execSetupTouch();
4474           else
4475             execSetupArtwork();
4476         }
4477         else
4478         {
4479           if (game_status == GAME_MODE_LEVELNR)
4480           {
4481             int new_level_nr = atoi(level_number_current->identifier);
4482
4483             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4484           }
4485
4486           SetGameStatus(GAME_MODE_MAIN);
4487
4488           DrawMainMenu();
4489         }
4490       }
4491     }
4492   }
4493 }
4494
4495 void DrawChooseLevelSet(void)
4496 {
4497   FadeMenuSoundsAndMusic();
4498
4499   DrawChooseTree(&leveldir_current);
4500
4501   PlayMenuSoundsAndMusic();
4502 }
4503
4504 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
4505 {
4506   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
4507 }
4508
4509 void DrawChooseLevelNr(void)
4510 {
4511   int i;
4512
4513   FadeMenuSoundsAndMusic();
4514
4515   if (level_number != NULL)
4516   {
4517     freeTreeInfo(level_number);
4518
4519     level_number = NULL;
4520   }
4521
4522   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
4523   {
4524     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
4525     char identifier[32], name[32];
4526     int value = i;
4527
4528     /* temporarily load level info to get level name */
4529     LoadLevelInfoOnly(i);
4530
4531     ti->node_top = &level_number;
4532     ti->sort_priority = 10000 + value;
4533     ti->color = (level.no_level_file ? FC_BLUE :
4534                  LevelStats_getSolved(i) ? FC_GREEN :
4535                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
4536
4537     snprintf(identifier, sizeof(identifier), "%d", value);
4538     snprintf(name, sizeof(name), "%03d: %s", value,
4539              (level.no_level_file ? "(no file)" : level.name));
4540
4541     setString(&ti->identifier, identifier);
4542     setString(&ti->name, name);
4543     setString(&ti->name_sorting, name);
4544
4545     pushTreeInfo(&level_number, ti);
4546   }
4547
4548   /* sort level number values to start with lowest level number */
4549   sortTreeInfo(&level_number);
4550
4551   /* set current level number to current level number */
4552   level_number_current =
4553     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
4554
4555   /* if that also fails, set current level number to first available level */
4556   if (level_number_current == NULL)
4557     level_number_current = level_number;
4558
4559   DrawChooseTree(&level_number_current);
4560
4561   PlayMenuSoundsAndMusic();
4562 }
4563
4564 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
4565 {
4566   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
4567 }
4568
4569 void DrawHallOfFame(int level_nr, int highlight_position)
4570 {
4571   int fade_mask = REDRAW_FIELD;
4572
4573   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
4574     fade_mask = REDRAW_ALL;
4575
4576   UnmapAllGadgets();
4577   FadeMenuSoundsAndMusic();
4578
4579   /* (this is needed when called from GameEnd() after winning a game) */
4580   KeyboardAutoRepeatOn();
4581
4582   /* (this is needed when called from GameEnd() after winning a game) */
4583   SetDrawDeactivationMask(REDRAW_NONE);
4584   SetDrawBackgroundMask(REDRAW_FIELD);
4585
4586   if (highlight_position < 0)
4587     LoadScore(level_nr);
4588   else
4589     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
4590
4591   FadeSetEnterScreen();
4592
4593   FadeOut(fade_mask);
4594
4595   /* needed if different viewport properties defined for scores */
4596   ChangeViewportPropertiesIfNeeded();
4597
4598   PlayMenuSoundsAndMusic();
4599
4600   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4601
4602   HandleHallOfFame(level_nr, highlight_position, 0, 0, MB_MENU_INITIALIZE);
4603
4604   DrawMaskedBorder(fade_mask);
4605
4606   FadeIn(fade_mask);
4607 }
4608
4609 static void drawHallOfFameList(int level_nr, int first_entry,
4610                                int highlight_position)
4611 {
4612   int i, j;
4613
4614   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4615   ClearField();
4616
4617   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
4618   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
4619                     "HighScores of Level %d", level_nr);
4620
4621   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
4622   {
4623     int entry = first_entry + i;
4624     boolean active = (entry == highlight_position);
4625     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4626     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4627     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4628     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4629     int dxoff = getFontDrawOffsetX(font_nr1);
4630     int dx1 = 3 * getFontWidth(font_nr1);
4631     int dx2 = dx1 + getFontWidth(font_nr1);
4632     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
4633     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
4634     int sy = mSY + 64 + i * 32;
4635
4636     DrawText(mSX, sy, int2str(entry + 1, 3), font_nr1);
4637     DrawText(mSX + dx1, sy, ".", font_nr1);
4638
4639     for (j = 0; j < num_dots; j++)
4640       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
4641
4642     if (!strEqual(highscore[entry].Name, EMPTY_PLAYER_NAME))
4643       DrawText(mSX + dx2, sy, highscore[entry].Name, font_nr2);
4644
4645     DrawText(mSX + dx3, sy, int2str(highscore[entry].Score, 5), font_nr4);
4646   }
4647
4648   redraw_mask |= REDRAW_FIELD;
4649 }
4650
4651 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
4652 {
4653   static int level_nr = 0;
4654   static int first_entry = 0;
4655   static int highlight_position = 0;
4656   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4657
4658   if (button == MB_MENU_INITIALIZE)
4659   {
4660     level_nr = mx;
4661     first_entry = 0;
4662     highlight_position = my;
4663
4664     drawHallOfFameList(level_nr, first_entry, highlight_position);
4665
4666     return;
4667   }
4668
4669   if (ABS(dy) == SCROLL_PAGE)           /* handle scrolling one page */
4670     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
4671
4672   if (dy < 0)
4673   {
4674     if (first_entry > 0)
4675     {
4676       first_entry -= step;
4677       if (first_entry < 0)
4678         first_entry = 0;
4679
4680       drawHallOfFameList(level_nr, first_entry, highlight_position);
4681     }
4682   }
4683   else if (dy > 0)
4684   {
4685     if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN < MAX_SCORE_ENTRIES)
4686     {
4687       first_entry += step;
4688       if (first_entry + NUM_MENU_ENTRIES_ON_SCREEN > MAX_SCORE_ENTRIES)
4689         first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
4690
4691       drawHallOfFameList(level_nr, first_entry, highlight_position);
4692     }
4693   }
4694   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
4695   {
4696     PlaySound(SND_MENU_ITEM_SELECTING);
4697
4698     FadeSound(SND_BACKGROUND_SCORES);
4699
4700     if (game_status_last_screen == GAME_MODE_PLAYING &&
4701         setup.auto_play_next_level && setup.increment_levels &&
4702         !network_playing)
4703     {
4704       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4705     }
4706     else
4707     {
4708       SetGameStatus(GAME_MODE_MAIN);
4709
4710       DrawMainMenu();
4711     }
4712   }
4713
4714   if (game_status == GAME_MODE_SCORES)
4715     PlayMenuSoundIfLoop();
4716 }
4717
4718
4719 /* ========================================================================= */
4720 /* setup screen functions                                                    */
4721 /* ========================================================================= */
4722
4723 static struct TokenInfo *setup_info;
4724 static int num_setup_info;      /* number of setup entries shown on screen */
4725 static int max_setup_info;      /* total number of setup entries in list */
4726
4727 static char *window_size_text;
4728 static char *scaling_type_text;
4729 static char *rendering_mode_text;
4730 static char *vsync_mode_text;
4731 static char *scroll_delay_text;
4732 static char *snapshot_mode_text;
4733 static char *game_speed_text;
4734 static char *network_server_text;
4735 static char *graphics_set_name;
4736 static char *sounds_set_name;
4737 static char *music_set_name;
4738 static char *volume_simple_text;
4739 static char *volume_loops_text;
4740 static char *volume_music_text;
4741 static char *touch_controls_text;
4742 static char *move_distance_text;
4743 static char *drop_distance_text;
4744 static char *transparency_text;
4745 static char *grid_size_text[2][2];
4746
4747 static void execSetupMain(void)
4748 {
4749   setup_mode = SETUP_MODE_MAIN;
4750
4751   DrawSetupScreen();
4752 }
4753
4754 static void execSetupGame_setGameSpeeds(void)
4755 {
4756   if (game_speeds == NULL)
4757   {
4758     int i;
4759
4760     for (i = 0; game_speeds_list[i].value != -1; i++)
4761     {
4762       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4763       char identifier[32], name[32];
4764       int value = game_speeds_list[i].value;
4765       char *text = game_speeds_list[i].text;
4766
4767       ti->node_top = &game_speeds;
4768       ti->sort_priority = 10000 - value;
4769
4770       sprintf(identifier, "%d", value);
4771       sprintf(name, "%s", text);
4772
4773       setString(&ti->identifier, identifier);
4774       setString(&ti->name, name);
4775       setString(&ti->name_sorting, name);
4776       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
4777
4778       pushTreeInfo(&game_speeds, ti);
4779     }
4780
4781     /* sort game speed values to start with slowest game speed */
4782     sortTreeInfo(&game_speeds);
4783
4784     /* set current game speed to configured game speed value */
4785     game_speed_current =
4786       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
4787
4788     /* if that fails, set current game speed to reliable default value */
4789     if (game_speed_current == NULL)
4790       game_speed_current =
4791         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
4792
4793     /* if that also fails, set current game speed to first available speed */
4794     if (game_speed_current == NULL)
4795       game_speed_current = game_speeds;
4796   }
4797
4798   setup.game_frame_delay = atoi(game_speed_current->identifier);
4799
4800   /* needed for displaying game speed text instead of identifier */
4801   game_speed_text = game_speed_current->name;
4802 }
4803
4804 static void execSetupGame_setScrollDelays(void)
4805 {
4806   if (scroll_delays == NULL)
4807   {
4808     int i;
4809
4810     for (i = 0; scroll_delays_list[i].value != -1; i++)
4811     {
4812       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4813       char identifier[32], name[32];
4814       int value = scroll_delays_list[i].value;
4815       char *text = scroll_delays_list[i].text;
4816
4817       ti->node_top = &scroll_delays;
4818       ti->sort_priority = value;
4819
4820       sprintf(identifier, "%d", value);
4821       sprintf(name, "%s", text);
4822
4823       setString(&ti->identifier, identifier);
4824       setString(&ti->name, name);
4825       setString(&ti->name_sorting, name);
4826       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
4827
4828       pushTreeInfo(&scroll_delays, ti);
4829     }
4830
4831     /* sort scroll delay values to start with lowest scroll delay value */
4832     sortTreeInfo(&scroll_delays);
4833
4834     /* set current scroll delay value to configured scroll delay value */
4835     scroll_delay_current =
4836       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
4837
4838     /* if that fails, set current scroll delay to reliable default value */
4839     if (scroll_delay_current == NULL)
4840       scroll_delay_current =
4841         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
4842
4843     /* if that also fails, set current scroll delay to first available value */
4844     if (scroll_delay_current == NULL)
4845       scroll_delay_current = scroll_delays;
4846   }
4847
4848   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
4849
4850   /* needed for displaying scroll delay text instead of identifier */
4851   scroll_delay_text = scroll_delay_current->name;
4852 }
4853
4854 static void execSetupGame_setSnapshotModes(void)
4855 {
4856   if (snapshot_modes == NULL)
4857   {
4858     int i;
4859
4860     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
4861     {
4862       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4863       char identifier[32], name[32];
4864       char *value = snapshot_modes_list[i].value;
4865       char *text = snapshot_modes_list[i].text;
4866
4867       ti->node_top = &snapshot_modes;
4868       ti->sort_priority = i;
4869
4870       sprintf(identifier, "%s", value);
4871       sprintf(name, "%s", text);
4872
4873       setString(&ti->identifier, identifier);
4874       setString(&ti->name, name);
4875       setString(&ti->name_sorting, name);
4876       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
4877
4878       pushTreeInfo(&snapshot_modes, ti);
4879     }
4880
4881     /* sort snapshot mode values to start with lowest snapshot mode value */
4882     sortTreeInfo(&snapshot_modes);
4883
4884     /* set current snapshot mode value to configured snapshot mode value */
4885     snapshot_mode_current =
4886       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
4887
4888     /* if that fails, set current snapshot mode to reliable default value */
4889     if (snapshot_mode_current == NULL)
4890       snapshot_mode_current =
4891         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
4892
4893     /* if that also fails, set current snapshot mode to first available value */
4894     if (snapshot_mode_current == NULL)
4895       snapshot_mode_current = snapshot_modes;
4896   }
4897
4898   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
4899
4900   /* needed for displaying snapshot mode text instead of identifier */
4901   snapshot_mode_text = snapshot_mode_current->name;
4902 }
4903
4904 static void execSetupGame_setNetworkServerText(void)
4905 {
4906   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
4907   {
4908     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
4909   }
4910   else
4911   {
4912     strncpy(network_server_hostname, setup.network_server_hostname,
4913             MAX_SETUP_TEXT_INPUT_LEN);
4914     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
4915   }
4916
4917   /* needed for displaying network server text instead of identifier */
4918   network_server_text = network_server_hostname;
4919 }
4920
4921 static void execSetupGame(void)
4922 {
4923   execSetupGame_setGameSpeeds();
4924   execSetupGame_setScrollDelays();
4925   execSetupGame_setSnapshotModes();
4926
4927   execSetupGame_setNetworkServerText();
4928
4929   setup_mode = SETUP_MODE_GAME;
4930
4931   DrawSetupScreen();
4932 }
4933
4934 static void execSetupChooseGameSpeed(void)
4935 {
4936   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
4937
4938   DrawSetupScreen();
4939 }
4940
4941 static void execSetupChooseScrollDelay(void)
4942 {
4943   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
4944
4945   DrawSetupScreen();
4946 }
4947
4948 static void execSetupChooseSnapshotMode(void)
4949 {
4950   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
4951
4952   DrawSetupScreen();
4953 }
4954
4955 static void execSetupEditor(void)
4956 {
4957   setup_mode = SETUP_MODE_EDITOR;
4958
4959   DrawSetupScreen();
4960 }
4961
4962 static void execSetupGraphics_setWindowSizes(boolean update_list)
4963 {
4964   if (window_sizes != NULL && update_list)
4965   {
4966     freeTreeInfo(window_sizes);
4967
4968     window_sizes = NULL;
4969   }
4970
4971   if (window_sizes == NULL)
4972   {
4973     boolean current_window_size_found = FALSE;
4974     int i;
4975
4976     for (i = 0; window_sizes_list[i].value != -1; i++)
4977     {
4978       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
4979       char identifier[32], name[32];
4980       int value = window_sizes_list[i].value;
4981       char *text = window_sizes_list[i].text;
4982
4983       ti->node_top = &window_sizes;
4984       ti->sort_priority = value;
4985
4986       sprintf(identifier, "%d", value);
4987       sprintf(name, "%s", text);
4988
4989       setString(&ti->identifier, identifier);
4990       setString(&ti->name, name);
4991       setString(&ti->name_sorting, name);
4992       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
4993
4994       pushTreeInfo(&window_sizes, ti);
4995
4996       if (value == setup.window_scaling_percent)
4997         current_window_size_found = TRUE;
4998     }
4999
5000     if (!current_window_size_found)
5001     {
5002       // add entry for non-preset window scaling value
5003
5004       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5005       char identifier[32], name[32];
5006       int value = setup.window_scaling_percent;
5007
5008       ti->node_top = &window_sizes;
5009       ti->sort_priority = value;
5010
5011       sprintf(identifier, "%d", value);
5012       sprintf(name, "%d %% (Current)", value);
5013
5014       setString(&ti->identifier, identifier);
5015       setString(&ti->name, name);
5016       setString(&ti->name_sorting, name);
5017       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5018
5019       pushTreeInfo(&window_sizes, ti);
5020     }
5021
5022     /* sort window size values to start with lowest window size value */
5023     sortTreeInfo(&window_sizes);
5024
5025     /* set current window size value to configured window size value */
5026     window_size_current =
5027       getTreeInfoFromIdentifier(window_sizes,
5028                                 i_to_a(setup.window_scaling_percent));
5029
5030     /* if that fails, set current window size to reliable default value */
5031     if (window_size_current == NULL)
5032       window_size_current =
5033         getTreeInfoFromIdentifier(window_sizes,
5034                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5035
5036     /* if that also fails, set current window size to first available value */
5037     if (window_size_current == NULL)
5038       window_size_current = window_sizes;
5039   }
5040
5041   setup.window_scaling_percent = atoi(window_size_current->identifier);
5042
5043   /* needed for displaying window size text instead of identifier */
5044   window_size_text = window_size_current->name;
5045 }
5046
5047 static void execSetupGraphics_setScalingTypes(void)
5048 {
5049   if (scaling_types == NULL)
5050   {
5051     int i;
5052
5053     for (i = 0; scaling_types_list[i].value != NULL; i++)
5054     {
5055       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5056       char identifier[32], name[32];
5057       char *value = scaling_types_list[i].value;
5058       char *text = scaling_types_list[i].text;
5059
5060       ti->node_top = &scaling_types;
5061       ti->sort_priority = i;
5062
5063       sprintf(identifier, "%s", value);
5064       sprintf(name, "%s", text);
5065
5066       setString(&ti->identifier, identifier);
5067       setString(&ti->name, name);
5068       setString(&ti->name_sorting, name);
5069       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5070
5071       pushTreeInfo(&scaling_types, ti);
5072     }
5073
5074     /* sort scaling type values to start with lowest scaling type value */
5075     sortTreeInfo(&scaling_types);
5076
5077     /* set current scaling type value to configured scaling type value */
5078     scaling_type_current =
5079       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5080
5081     /* if that fails, set current scaling type to reliable default value */
5082     if (scaling_type_current == NULL)
5083       scaling_type_current =
5084         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5085
5086     /* if that also fails, set current scaling type to first available value */
5087     if (scaling_type_current == NULL)
5088       scaling_type_current = scaling_types;
5089   }
5090
5091   setup.window_scaling_quality = scaling_type_current->identifier;
5092
5093   /* needed for displaying scaling type text instead of identifier */
5094   scaling_type_text = scaling_type_current->name;
5095 }
5096
5097 static void execSetupGraphics_setRenderingModes(void)
5098 {
5099   if (rendering_modes == NULL)
5100   {
5101     int i;
5102
5103     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5104     {
5105       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5106       char identifier[32], name[32];
5107       char *value = rendering_modes_list[i].value;
5108       char *text = rendering_modes_list[i].text;
5109
5110       ti->node_top = &rendering_modes;
5111       ti->sort_priority = i;
5112
5113       sprintf(identifier, "%s", value);
5114       sprintf(name, "%s", text);
5115
5116       setString(&ti->identifier, identifier);
5117       setString(&ti->name, name);
5118       setString(&ti->name_sorting, name);
5119       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5120
5121       pushTreeInfo(&rendering_modes, ti);
5122     }
5123
5124     /* sort rendering mode values to start with lowest rendering mode value */
5125     sortTreeInfo(&rendering_modes);
5126
5127     /* set current rendering mode value to configured rendering mode value */
5128     rendering_mode_current =
5129       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5130
5131     /* if that fails, set current rendering mode to reliable default value */
5132     if (rendering_mode_current == NULL)
5133       rendering_mode_current =
5134         getTreeInfoFromIdentifier(rendering_modes,
5135                                   STR_SPECIAL_RENDERING_DEFAULT);
5136
5137     /* if that also fails, set current rendering mode to first available one */
5138     if (rendering_mode_current == NULL)
5139       rendering_mode_current = rendering_modes;
5140   }
5141
5142   setup.screen_rendering_mode = rendering_mode_current->identifier;
5143
5144   /* needed for displaying rendering mode text instead of identifier */
5145   rendering_mode_text = rendering_mode_current->name;
5146 }
5147
5148 static void execSetupGraphics_setVsyncModes(void)
5149 {
5150   if (vsync_modes == NULL)
5151   {
5152     int i;
5153
5154     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5155     {
5156       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5157       char identifier[32], name[32];
5158       char *value = vsync_modes_list[i].value;
5159       char *text = vsync_modes_list[i].text;
5160
5161       ti->node_top = &vsync_modes;
5162       ti->sort_priority = i;
5163
5164       sprintf(identifier, "%s", value);
5165       sprintf(name, "%s", text);
5166
5167       setString(&ti->identifier, identifier);
5168       setString(&ti->name, name);
5169       setString(&ti->name_sorting, name);
5170       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5171
5172       pushTreeInfo(&vsync_modes, ti);
5173     }
5174
5175     /* sort vsync mode values to start with lowest vsync mode value */
5176     sortTreeInfo(&vsync_modes);
5177
5178     /* set current vsync mode value to configured vsync mode value */
5179     vsync_mode_current =
5180       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5181
5182     /* if that fails, set current vsync mode to reliable default value */
5183     if (vsync_mode_current == NULL)
5184       vsync_mode_current =
5185         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5186
5187     /* if that also fails, set current vsync mode to first available one */
5188     if (vsync_mode_current == NULL)
5189       vsync_mode_current = vsync_modes;
5190   }
5191
5192   setup.vsync_mode = vsync_mode_current->identifier;
5193
5194   /* needed for displaying vsync mode text instead of identifier */
5195   vsync_mode_text = vsync_mode_current->name;
5196 }
5197
5198 static void execSetupGraphics(void)
5199 {
5200   // update "setup.window_scaling_percent" from list selection
5201   // (in this case, window scaling was changed on setup screen)
5202   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5203     execSetupGraphics_setWindowSizes(FALSE);
5204
5205   // update list selection from "setup.window_scaling_percent"
5206   // (window scaling may have changed by resizing the window)
5207   execSetupGraphics_setWindowSizes(TRUE);
5208
5209   execSetupGraphics_setScalingTypes();
5210   execSetupGraphics_setRenderingModes();
5211   execSetupGraphics_setVsyncModes();
5212
5213   setup_mode = SETUP_MODE_GRAPHICS;
5214
5215   DrawSetupScreen();
5216
5217 #if defined(TARGET_SDL2)
5218   // window scaling may have changed at this point
5219   ToggleFullscreenOrChangeWindowScalingIfNeeded();
5220
5221   // window scaling quality may have changed at this point
5222   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5223     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5224
5225   // screen rendering mode may have changed at this point
5226   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5227
5228   // screen vsync mode may have changed at this point
5229   SDLSetScreenVsyncMode(setup.vsync_mode);
5230 #endif
5231 }
5232
5233 static void execSetupChooseWindowSize(void)
5234 {
5235   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5236
5237   DrawSetupScreen();
5238 }
5239
5240 static void execSetupChooseScalingType(void)
5241 {
5242   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5243
5244   DrawSetupScreen();
5245 }
5246
5247 static void execSetupChooseRenderingMode(void)
5248 {
5249   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5250
5251   DrawSetupScreen();
5252 }
5253
5254 static void execSetupChooseVsyncMode(void)
5255 {
5256   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5257
5258   DrawSetupScreen();
5259 }
5260
5261 static void execSetupChooseVolumeSimple(void)
5262 {
5263   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5264
5265   DrawSetupScreen();
5266 }
5267
5268 static void execSetupChooseVolumeLoops(void)
5269 {
5270   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5271
5272   DrawSetupScreen();
5273 }
5274
5275 static void execSetupChooseVolumeMusic(void)
5276 {
5277   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5278
5279   DrawSetupScreen();
5280 }
5281
5282 static void execSetupSound(void)
5283 {
5284   if (volumes_simple == NULL)
5285   {
5286     boolean current_volume_simple_found = FALSE;
5287     int i;
5288
5289     for (i = 0; volumes_list[i].value != -1; i++)
5290     {
5291       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5292       char identifier[32], name[32];
5293       int value = volumes_list[i].value;
5294       char *text = volumes_list[i].text;
5295
5296       ti->node_top = &volumes_simple;
5297       ti->sort_priority = value;
5298
5299       sprintf(identifier, "%d", value);
5300       sprintf(name, "%s", text);
5301
5302       setString(&ti->identifier, identifier);
5303       setString(&ti->name, name);
5304       setString(&ti->name_sorting, name);
5305       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5306
5307       pushTreeInfo(&volumes_simple, ti);
5308
5309       if (value == setup.volume_simple)
5310         current_volume_simple_found = TRUE;
5311     }
5312
5313     if (!current_volume_simple_found)
5314     {
5315       // add entry for non-preset volume value
5316
5317       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5318       char identifier[32], name[32];
5319       int value = setup.volume_simple;
5320
5321       ti->node_top = &volumes_simple;
5322       ti->sort_priority = value;
5323
5324       sprintf(identifier, "%d", value);
5325       sprintf(name, "%d %% (Current)", value);
5326
5327       setString(&ti->identifier, identifier);
5328       setString(&ti->name, name);
5329       setString(&ti->name_sorting, name);
5330       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
5331
5332       pushTreeInfo(&volumes_simple, ti);
5333     }
5334
5335     /* sort volume values to start with lowest volume value */
5336     sortTreeInfo(&volumes_simple);
5337
5338     /* set current volume value to configured volume value */
5339     volume_simple_current =
5340       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
5341
5342     /* if that fails, set current volume to reliable default value */
5343     if (volume_simple_current == NULL)
5344       volume_simple_current =
5345         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
5346
5347     /* if that also fails, set current volume to first available value */
5348     if (volume_simple_current == NULL)
5349       volume_simple_current = volumes_simple;
5350   }
5351
5352   if (volumes_loops == NULL)
5353   {
5354     boolean current_volume_loops_found = FALSE;
5355     int i;
5356
5357     for (i = 0; volumes_list[i].value != -1; i++)
5358     {
5359       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5360       char identifier[32], name[32];
5361       int value = volumes_list[i].value;
5362       char *text = volumes_list[i].text;
5363
5364       ti->node_top = &volumes_loops;
5365       ti->sort_priority = value;
5366
5367       sprintf(identifier, "%d", value);
5368       sprintf(name, "%s", text);
5369
5370       setString(&ti->identifier, identifier);
5371       setString(&ti->name, name);
5372       setString(&ti->name_sorting, name);
5373       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5374
5375       pushTreeInfo(&volumes_loops, ti);
5376
5377       if (value == setup.volume_loops)
5378         current_volume_loops_found = TRUE;
5379     }
5380
5381     if (!current_volume_loops_found)
5382     {
5383       // add entry for non-preset volume value
5384
5385       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5386       char identifier[32], name[32];
5387       int value = setup.volume_loops;
5388
5389       ti->node_top = &volumes_loops;
5390       ti->sort_priority = value;
5391
5392       sprintf(identifier, "%d", value);
5393       sprintf(name, "%d %% (Current)", value);
5394
5395       setString(&ti->identifier, identifier);
5396       setString(&ti->name, name);
5397       setString(&ti->name_sorting, name);
5398       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
5399
5400       pushTreeInfo(&volumes_loops, ti);
5401     }
5402
5403     /* sort volume values to start with lowest volume value */
5404     sortTreeInfo(&volumes_loops);
5405
5406     /* set current volume value to configured volume value */
5407     volume_loops_current =
5408       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
5409
5410     /* if that fails, set current volume to reliable default value */
5411     if (volume_loops_current == NULL)
5412       volume_loops_current =
5413         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
5414
5415     /* if that also fails, set current volume to first available value */
5416     if (volume_loops_current == NULL)
5417       volume_loops_current = volumes_loops;
5418   }
5419
5420   if (volumes_music == NULL)
5421   {
5422     boolean current_volume_music_found = FALSE;
5423     int i;
5424
5425     for (i = 0; volumes_list[i].value != -1; i++)
5426     {
5427       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5428       char identifier[32], name[32];
5429       int value = volumes_list[i].value;
5430       char *text = volumes_list[i].text;
5431
5432       ti->node_top = &volumes_music;
5433       ti->sort_priority = value;
5434
5435       sprintf(identifier, "%d", value);
5436       sprintf(name, "%s", text);
5437
5438       setString(&ti->identifier, identifier);
5439       setString(&ti->name, name);
5440       setString(&ti->name_sorting, name);
5441       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5442
5443       pushTreeInfo(&volumes_music, ti);
5444
5445       if (value == setup.volume_music)
5446         current_volume_music_found = TRUE;
5447     }
5448
5449     if (!current_volume_music_found)
5450     {
5451       // add entry for non-preset volume value
5452
5453       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5454       char identifier[32], name[32];
5455       int value = setup.volume_music;
5456
5457       ti->node_top = &volumes_music;
5458       ti->sort_priority = value;
5459
5460       sprintf(identifier, "%d", value);
5461       sprintf(name, "%d %% (Current)", value);
5462
5463       setString(&ti->identifier, identifier);
5464       setString(&ti->name, name);
5465       setString(&ti->name_sorting, name);
5466       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
5467
5468       pushTreeInfo(&volumes_music, ti);
5469     }
5470
5471     /* sort volume values to start with lowest volume value */
5472     sortTreeInfo(&volumes_music);
5473
5474     /* set current volume value to configured volume value */
5475     volume_music_current =
5476       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
5477
5478     /* if that fails, set current volume to reliable default value */
5479     if (volume_music_current == NULL)
5480       volume_music_current =
5481         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
5482
5483     /* if that also fails, set current volume to first available value */
5484     if (volume_music_current == NULL)
5485       volume_music_current = volumes_music;
5486   }
5487
5488   setup.volume_simple = atoi(volume_simple_current->identifier);
5489   setup.volume_loops  = atoi(volume_loops_current->identifier);
5490   setup.volume_music  = atoi(volume_music_current->identifier);
5491
5492   /* needed for displaying volume text instead of identifier */
5493   volume_simple_text = volume_simple_current->name;
5494   volume_loops_text = volume_loops_current->name;
5495   volume_music_text = volume_music_current->name;
5496
5497   setup_mode = SETUP_MODE_SOUND;
5498
5499   DrawSetupScreen();
5500 }
5501
5502 static void execSetupChooseTouchControls(void)
5503 {
5504   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
5505
5506   DrawSetupScreen();
5507 }
5508
5509 static void execSetupChooseMoveDistance(void)
5510 {
5511   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
5512
5513   DrawSetupScreen();
5514 }
5515
5516 static void execSetupChooseDropDistance(void)
5517 {
5518   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
5519
5520   DrawSetupScreen();
5521 }
5522
5523 static void execSetupChooseTransparency(void)
5524 {
5525   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
5526
5527   DrawSetupScreen();
5528 }
5529
5530 static void execSetupChooseGridXSize_0(void)
5531 {
5532   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
5533
5534   DrawSetupScreen();
5535 }
5536
5537 static void execSetupChooseGridYSize_0(void)
5538 {
5539   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
5540
5541   DrawSetupScreen();
5542 }
5543
5544 static void execSetupChooseGridXSize_1(void)
5545 {
5546   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
5547
5548   DrawSetupScreen();
5549 }
5550
5551 static void execSetupChooseGridYSize_1(void)
5552 {
5553   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
5554
5555   DrawSetupScreen();
5556 }
5557
5558 static void execSetupConfigureVirtualButtons(void)
5559 {
5560   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
5561
5562   ConfigureVirtualButtons();
5563
5564   setup_mode = SETUP_MODE_TOUCH;
5565
5566   DrawSetupScreen();
5567 }
5568
5569 static void execSetupTouch(void)
5570 {
5571   int i, j, k;
5572
5573   if (touch_controls == NULL)
5574   {
5575     for (i = 0; touch_controls_list[i].value != NULL; i++)
5576     {
5577       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5578       char identifier[32], name[32];
5579       char *value = touch_controls_list[i].value;
5580       char *text = touch_controls_list[i].text;
5581
5582       ti->node_top = &touch_controls;
5583       ti->sort_priority = i;
5584
5585       sprintf(identifier, "%s", value);
5586       sprintf(name, "%s", text);
5587
5588       setString(&ti->identifier, identifier);
5589       setString(&ti->name, name);
5590       setString(&ti->name_sorting, name);
5591       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
5592
5593       pushTreeInfo(&touch_controls, ti);
5594     }
5595
5596     /* sort touch control values to start with lowest touch control value */
5597     sortTreeInfo(&touch_controls);
5598
5599     /* set current touch control value to configured touch control value */
5600     touch_control_current =
5601       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
5602
5603     /* if that fails, set current touch control to reliable default value */
5604     if (touch_control_current == NULL)
5605       touch_control_current =
5606         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
5607
5608     /* if that also fails, set current touch control to first available value */
5609     if (touch_control_current == NULL)
5610       touch_control_current = touch_controls;
5611   }
5612
5613   if (move_distances == NULL)
5614   {
5615     for (i = 0; distances_list[i].value != -1; i++)
5616     {
5617       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5618       char identifier[32], name[32];
5619       int value = distances_list[i].value;
5620       char *text = distances_list[i].text;
5621
5622       ti->node_top = &move_distances;
5623       ti->sort_priority = value;
5624
5625       sprintf(identifier, "%d", value);
5626       sprintf(name, "%s", text);
5627
5628       setString(&ti->identifier, identifier);
5629       setString(&ti->name, name);
5630       setString(&ti->name_sorting, name);
5631       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
5632
5633       pushTreeInfo(&move_distances, ti);
5634     }
5635
5636     /* sort distance values to start with lowest distance value */
5637     sortTreeInfo(&move_distances);
5638
5639     /* set current distance value to configured distance value */
5640     move_distance_current =
5641       getTreeInfoFromIdentifier(move_distances,
5642                                 i_to_a(setup.touch.move_distance));
5643
5644     /* if that fails, set current distance to reliable default value */
5645     if (move_distance_current == NULL)
5646       move_distance_current =
5647         getTreeInfoFromIdentifier(move_distances,
5648                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
5649
5650     /* if that also fails, set current distance to first available value */
5651     if (move_distance_current == NULL)
5652       move_distance_current = move_distances;
5653   }
5654
5655   if (drop_distances == NULL)
5656   {
5657     for (i = 0; distances_list[i].value != -1; i++)
5658     {
5659       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5660       char identifier[32], name[32];
5661       int value = distances_list[i].value;
5662       char *text = distances_list[i].text;
5663
5664       ti->node_top = &drop_distances;
5665       ti->sort_priority = value;
5666
5667       sprintf(identifier, "%d", value);
5668       sprintf(name, "%s", text);
5669
5670       setString(&ti->identifier, identifier);
5671       setString(&ti->name, name);
5672       setString(&ti->name_sorting, name);
5673       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
5674
5675       pushTreeInfo(&drop_distances, ti);
5676     }
5677
5678     /* sort distance values to start with lowest distance value */
5679     sortTreeInfo(&drop_distances);
5680
5681     /* set current distance value to configured distance value */
5682     drop_distance_current =
5683       getTreeInfoFromIdentifier(drop_distances,
5684                                 i_to_a(setup.touch.drop_distance));
5685
5686     /* if that fails, set current distance to reliable default value */
5687     if (drop_distance_current == NULL)
5688       drop_distance_current =
5689         getTreeInfoFromIdentifier(drop_distances,
5690                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
5691
5692     /* if that also fails, set current distance to first available value */
5693     if (drop_distance_current == NULL)
5694       drop_distance_current = drop_distances;
5695   }
5696
5697   if (transparencies == NULL)
5698   {
5699     for (i = 0; transparencies_list[i].value != -1; i++)
5700     {
5701       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5702       char identifier[32], name[32];
5703       int value = transparencies_list[i].value;
5704       char *text = transparencies_list[i].text;
5705
5706       ti->node_top = &transparencies;
5707       ti->sort_priority = value;
5708
5709       sprintf(identifier, "%d", value);
5710       sprintf(name, "%s", text);
5711
5712       setString(&ti->identifier, identifier);
5713       setString(&ti->name, name);
5714       setString(&ti->name_sorting, name);
5715       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
5716
5717       pushTreeInfo(&transparencies, ti);
5718     }
5719
5720     /* sort transparency values to start with lowest transparency value */
5721     sortTreeInfo(&transparencies);
5722
5723     /* set current transparency value to configured transparency value */
5724     transparency_current =
5725       getTreeInfoFromIdentifier(transparencies,
5726                                 i_to_a(setup.touch.transparency));
5727
5728     /* if that fails, set current transparency to reliable default value */
5729     if (transparency_current == NULL)
5730       transparency_current =
5731         getTreeInfoFromIdentifier(transparencies,
5732                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
5733
5734     /* if that also fails, set current transparency to first available value */
5735     if (transparency_current == NULL)
5736       transparency_current = transparencies;
5737   }
5738
5739   for (i = 0; i < 2; i++)
5740   {
5741     for (j = 0; j < 2; j++)
5742     {
5743       if (grid_sizes[i][j] == NULL)
5744       {
5745         for (k = 0; grid_sizes_list[k].value != -1; k++)
5746         {
5747           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5748           char identifier[32], name[32];
5749           int value = grid_sizes_list[k].value;
5750           char *text = grid_sizes_list[k].text;
5751
5752           ti->node_top = &grid_sizes[i][j];
5753           ti->sort_priority = value;
5754
5755           sprintf(identifier, "%d", value);
5756           sprintf(name, "%s", text);
5757
5758           setString(&ti->identifier, identifier);
5759           setString(&ti->name, name);
5760           setString(&ti->name_sorting, name);
5761           setString(&ti->infotext,
5762                     (i == 0 ?
5763                      (j == 0 ?
5764                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
5765                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
5766                      (j == 0 ?
5767                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
5768                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
5769
5770           pushTreeInfo(&grid_sizes[i][j], ti);
5771         }
5772
5773         /* sort grid size values to start with lowest grid size value */
5774         sortTreeInfo(&grid_sizes[i][j]);
5775
5776         /* set current grid size value to configured grid size value */
5777         grid_size_current[i][j] =
5778           getTreeInfoFromIdentifier(grid_sizes[i][j],
5779                                     i_to_a(j == 0 ?
5780                                            setup.touch.grid_xsize[i] :
5781                                            setup.touch.grid_ysize[i]));
5782
5783         /* if that fails, set current grid size to reliable default value */
5784         if (grid_size_current[i][j] == NULL)
5785           grid_size_current[i][j] =
5786             getTreeInfoFromIdentifier(grid_sizes[i][j],
5787                                       i_to_a(j == 0 ?
5788                                              DEFAULT_GRID_XSIZE(i) :
5789                                              DEFAULT_GRID_YSIZE(i)));
5790
5791         /* if that also fails, set current grid size to first available value */
5792         if (grid_size_current[i][j] == NULL)
5793           grid_size_current[i][j] = grid_sizes[i][j];
5794       }
5795     }
5796   }
5797
5798   setup.touch.control_type = touch_control_current->identifier;
5799   setup.touch.move_distance = atoi(move_distance_current->identifier);
5800   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
5801   setup.touch.transparency = atoi(transparency_current->identifier);
5802
5803   for (i = 0; i < 2; i++)
5804   {
5805     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
5806     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
5807
5808     if (i == GRID_ACTIVE_NR())
5809     {
5810       overlay.grid_xsize = setup.touch.grid_xsize[i];
5811       overlay.grid_ysize = setup.touch.grid_ysize[i];
5812     }
5813   }
5814
5815   /* needed for displaying value text instead of identifier */
5816   touch_controls_text = touch_control_current->name;
5817   move_distance_text = move_distance_current->name;
5818   drop_distance_text = drop_distance_current->name;
5819   transparency_text = transparency_current->name;
5820
5821   for (i = 0; i < 2; i++)
5822     for (j = 0; j < 2; j++)
5823       grid_size_text[i][j] = grid_size_current[i][j]->name;
5824
5825   setup_mode = SETUP_MODE_TOUCH;
5826
5827   DrawSetupScreen();
5828 }
5829
5830 static void execSetupArtwork(void)
5831 {
5832 #if 0
5833   printf("::: '%s', '%s', '%s'\n",
5834          artwork.gfx_current->subdir,
5835          artwork.gfx_current->fullpath,
5836          artwork.gfx_current->basepath);
5837 #endif
5838
5839   setup.graphics_set = artwork.gfx_current->identifier;
5840   setup.sounds_set = artwork.snd_current->identifier;
5841   setup.music_set = artwork.mus_current->identifier;
5842
5843   /* needed if last screen (setup choice) changed graphics, sounds or music */
5844   ReloadCustomArtwork(0);
5845
5846   /* needed for displaying artwork name instead of artwork identifier */
5847   graphics_set_name = artwork.gfx_current->name;
5848   sounds_set_name = artwork.snd_current->name;
5849   music_set_name = artwork.mus_current->name;
5850
5851   setup_mode = SETUP_MODE_ARTWORK;
5852
5853   DrawSetupScreen();
5854 }
5855
5856 static void execSetupChooseGraphics(void)
5857 {
5858   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
5859
5860   DrawSetupScreen();
5861 }
5862
5863 static void execSetupChooseSounds(void)
5864 {
5865   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
5866
5867   DrawSetupScreen();
5868 }
5869
5870 static void execSetupChooseMusic(void)
5871 {
5872   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
5873
5874   DrawSetupScreen();
5875 }
5876
5877 static void execSetupInput(void)
5878 {
5879   setup_mode = SETUP_MODE_INPUT;
5880
5881   DrawSetupScreen();
5882 }
5883
5884 static void execSetupShortcuts(void)
5885 {
5886   setup_mode = SETUP_MODE_SHORTCUTS;
5887
5888   DrawSetupScreen();
5889 }
5890
5891 static void execSetupShortcuts1(void)
5892 {
5893   setup_mode = SETUP_MODE_SHORTCUTS_1;
5894
5895   DrawSetupScreen();
5896 }
5897
5898 static void execSetupShortcuts2(void)
5899 {
5900   setup_mode = SETUP_MODE_SHORTCUTS_2;
5901
5902   DrawSetupScreen();
5903 }
5904
5905 static void execSetupShortcuts3(void)
5906 {
5907   setup_mode = SETUP_MODE_SHORTCUTS_3;
5908
5909   DrawSetupScreen();
5910 }
5911
5912 static void execSetupShortcuts4(void)
5913 {
5914   setup_mode = SETUP_MODE_SHORTCUTS_4;
5915
5916   DrawSetupScreen();
5917 }
5918
5919 static void execSetupShortcuts5(void)
5920 {
5921   setup_mode = SETUP_MODE_SHORTCUTS_5;
5922
5923   DrawSetupScreen();
5924 }
5925
5926 static void execExitSetup(void)
5927 {
5928   SetGameStatus(GAME_MODE_MAIN);
5929
5930   DrawMainMenu();
5931 }
5932
5933 static void execSaveAndExitSetup(void)
5934 {
5935   SaveSetup();
5936   execExitSetup();
5937 }
5938
5939 static void execGadgetNetworkServer(void)
5940 {
5941   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
5942   struct GadgetInfo *gi = screen_gadget[gadget_id];
5943
5944   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5945     network_server_hostname[0] = '\0';
5946
5947   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
5948
5949   MapGadget(gi);
5950
5951   ClickOnGadget(gi, MB_LEFTBUTTON);
5952 }
5953
5954 static void ToggleNetworkModeIfNeeded(void)
5955 {
5956   int font_title = FONT_TITLE_1;
5957   int font_foot = FC_BLUE;
5958   int ystart  = mSY - SY + 16;
5959   int ybottom = mSY - SY + SYSIZE - 20;
5960   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
5961
5962   if (setup.network_mode == network.enabled)
5963     return;
5964
5965   network.enabled = setup.network_mode;
5966
5967   FadeOut(REDRAW_ALL);
5968
5969   ClearField();
5970
5971   DrawTextSCentered(ystart, font_title, text);
5972
5973   FadeIn(REDRAW_ALL);
5974
5975   if (network.enabled)
5976     InitNetworkServer();
5977   else
5978     DisconnectFromNetworkServer();
5979
5980   DrawTextSCentered(ybottom, font_foot,
5981                     "Press any key or button for setup menu");
5982
5983   WaitForEventToContinue();
5984
5985   DrawSetupScreen();
5986 }
5987
5988 static struct
5989 {
5990   void *value;
5991   void *related_value;
5992 } hide_related_entry_list[] =
5993 {
5994   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
5995   { &setup.game_frame_delay,            &game_speed_text                },
5996
5997   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
5998   { &setup.scroll_delay_value,          &scroll_delay_text              },
5999
6000   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6001   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6002
6003   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6004   { &setup.window_scaling_percent,      &window_size_text               },
6005
6006   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6007   { &setup.window_scaling_quality,      &scaling_type_text              },
6008
6009   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6010   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6011
6012   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6013   { &setup.vsync_mode,                  &vsync_mode_text                },
6014
6015   { &setup.graphics_set,                execSetupChooseGraphics         },
6016   { &setup.graphics_set,                &graphics_set_name              },
6017
6018   { &setup.sounds_set,                  execSetupChooseSounds           },
6019   { &setup.sounds_set,                  &sounds_set_name                },
6020
6021   { &setup.music_set,                   execSetupChooseMusic            },
6022   { &setup.music_set,                   &music_set_name                 },
6023
6024   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6025   { &setup.volume_simple,               &volume_simple_text             },
6026
6027   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6028   { &setup.volume_loops,                &volume_loops_text              },
6029
6030   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6031   { &setup.volume_music,                &volume_music_text              },
6032
6033   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6034   { &setup.touch.control_type,          &touch_controls_text            },
6035
6036   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6037   { &setup.touch.move_distance,         &move_distance_text             },
6038
6039   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6040   { &setup.touch.drop_distance,         &drop_distance_text             },
6041
6042   { &setup.touch.transparency,          execSetupChooseTransparency     },
6043   { &setup.touch.transparency,          &transparency_text              },
6044
6045   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6046   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6047
6048   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6049   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6050
6051   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6052   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6053
6054   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6055   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6056
6057   { NULL,                               NULL                            }
6058 };
6059
6060 void setHideRelatedSetupEntries(void)
6061 {
6062   int i;
6063
6064   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6065     if (hideSetupEntry(hide_related_entry_list[i].value))
6066       setHideSetupEntry(hide_related_entry_list[i].related_value);
6067 }
6068
6069 static struct TokenInfo setup_info_main[] =
6070 {
6071   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6072   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6073   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6074   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6075   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6076   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6077   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6078   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6079   { TYPE_EMPTY,         NULL,                   ""                      },
6080   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6081   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6082
6083   { 0,                  NULL,                   NULL                    }
6084 };
6085
6086 static struct TokenInfo setup_info_game[] =
6087 {
6088   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6089   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6090   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6091   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6092   { TYPE_STRING,        &network_server_text,   ""                      },
6093   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6094   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6095   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6096   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6097   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6098   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6099   { TYPE_SWITCH,        &setup.skip_scores_after_game,"Skip Scores After Game:" },
6100   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6101   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6102   { TYPE_STRING,        &game_speed_text,       ""                      },
6103 #if 1
6104   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6105   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6106 #endif
6107   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6108   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6109   { TYPE_SWITCH,        &setup.show_snapshot_buttons,"Show Snapshot Buttons:" },
6110   { TYPE_EMPTY,         NULL,                   ""                      },
6111   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6112
6113   { 0,                  NULL,                   NULL                    }
6114 };
6115
6116 static struct TokenInfo setup_info_editor[] =
6117 {
6118 #if 0
6119   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6120   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6121   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6122   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6123   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6124   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6125   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6126   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6127   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6128   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6129 #endif
6130   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6131   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6132 #if 0
6133   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6134 #endif
6135   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6136   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6137   { TYPE_EMPTY,         NULL,                   ""                      },
6138 #if 0
6139   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6140   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6141   { TYPE_EMPTY,         NULL,                   ""                      },
6142 #endif
6143   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6144   { TYPE_EMPTY,         NULL,                   ""                      },
6145   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6146
6147   { 0,                  NULL,                   NULL                    }
6148 };
6149
6150 static struct TokenInfo setup_info_graphics[] =
6151 {
6152 #if defined(TARGET_SDL2) && !defined(PLATFORM_ANDROID)
6153   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6154   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6155   { TYPE_STRING,        &window_size_text,      ""                      },
6156   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6157   { TYPE_STRING,        &scaling_type_text,     ""                      },
6158   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6159   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6160 #endif
6161 #if 0
6162   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6163   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6164 #endif
6165   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
6166   { TYPE_STRING,        &vsync_mode_text,       ""                      },
6167   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
6168   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
6169   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
6170   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
6171   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
6172   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics,"EMC graphics preference:" },
6173   { TYPE_SWITCH, &setup.sp_show_border_elements,"Supaplex Border Elements:" },
6174   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
6175   { TYPE_EMPTY,         NULL,                   ""                      },
6176   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6177
6178   { 0,                  NULL,                   NULL                    }
6179 };
6180
6181 static struct TokenInfo setup_info_sound[] =
6182 {
6183   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
6184   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
6185   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
6186   { TYPE_EMPTY,         NULL,                   ""                      },
6187   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
6188   { TYPE_STRING,        &volume_simple_text,    ""                      },
6189   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
6190   { TYPE_STRING,        &volume_loops_text,     ""                      },
6191   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
6192   { TYPE_STRING,        &volume_music_text,     ""                      },
6193   { TYPE_EMPTY,         NULL,                   ""                      },
6194   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6195
6196   { 0,                  NULL,                   NULL                    }
6197 };
6198
6199 static struct TokenInfo setup_info_artwork[] =
6200 {
6201   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
6202   { TYPE_STRING,        &graphics_set_name,     ""                      },
6203   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
6204   { TYPE_STRING,        &sounds_set_name,       ""                      },
6205   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
6206   { TYPE_STRING,        &music_set_name,        ""                      },
6207   { TYPE_EMPTY,         NULL,                   ""                      },
6208   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
6209   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
6210   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
6211   { TYPE_EMPTY,         NULL,                   ""                      },
6212   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6213
6214   { 0,                  NULL,                   NULL                    }
6215 };
6216
6217 static struct TokenInfo setup_info_input[] =
6218 {
6219   { TYPE_SWITCH,        NULL,                   "Player:"               },
6220   { TYPE_SWITCH,        NULL,                   "Device:"               },
6221   { TYPE_SWITCH,        NULL,                   ""                      },
6222   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6223   { TYPE_EMPTY,         NULL,                   ""                      },
6224   { TYPE_EMPTY,         NULL,                   ""                      },
6225   { TYPE_EMPTY,         NULL,                   ""                      },
6226   { TYPE_EMPTY,         NULL,                   ""                      },
6227   { TYPE_EMPTY,         NULL,                   ""                      },
6228   { TYPE_EMPTY,         NULL,                   ""                      },
6229   { TYPE_EMPTY,         NULL,                   ""                      },
6230   { TYPE_EMPTY,         NULL,                   ""                      },
6231   { TYPE_SKIPPABLE,     NULL,                   ""                      },
6232   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6233
6234   { 0,                  NULL,                   NULL                    }
6235 };
6236
6237 static struct TokenInfo setup_info_touch[] =
6238 {
6239   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6240   { TYPE_STRING,        &touch_controls_text,   ""                      },
6241   { TYPE_EMPTY,         NULL,                   ""                      },
6242   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6243
6244   { 0,                  NULL,                   NULL                    }
6245 };
6246
6247 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
6248 {
6249   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6250   { TYPE_STRING,        &touch_controls_text,   ""                      },
6251   { TYPE_EMPTY,         NULL,                   ""                      },
6252   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
6253   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
6254   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
6255   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
6256   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6257   { TYPE_STRING,        &transparency_text,     ""                      },
6258   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6259   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6260   { TYPE_EMPTY,         NULL,                   ""                      },
6261   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6262   { TYPE_EMPTY,         NULL,                   ""                      },
6263   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6264
6265   { 0,                  NULL,                   NULL                    }
6266 };
6267
6268 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
6269 {
6270   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6271   { TYPE_STRING,        &touch_controls_text,   ""                      },
6272   { TYPE_EMPTY,         NULL,                   ""                      },
6273   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
6274   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
6275   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
6276   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
6277   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
6278   { TYPE_STRING,        &transparency_text,     ""                      },
6279   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
6280   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
6281   { TYPE_EMPTY,         NULL,                   ""                      },
6282   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
6283   { TYPE_EMPTY,         NULL,                   ""                      },
6284   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6285
6286   { 0,                  NULL,                   NULL                    }
6287 };
6288
6289 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
6290 {
6291   setup_info_touch_virtual_buttons_0,
6292   setup_info_touch_virtual_buttons_1
6293 };
6294
6295 static struct TokenInfo setup_info_touch_wipe_gestures[] =
6296 {
6297   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
6298   { TYPE_STRING,        &touch_controls_text,   ""                      },
6299   { TYPE_EMPTY,         NULL,                   ""                      },
6300   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
6301   { TYPE_STRING,        &move_distance_text,    ""                      },
6302   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
6303   { TYPE_STRING,        &drop_distance_text,    ""                      },
6304   { TYPE_EMPTY,         NULL,                   ""                      },
6305   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6306
6307   { 0,                  NULL,                   NULL                    }
6308 };
6309
6310 static struct TokenInfo setup_info_shortcuts[] =
6311 {
6312   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
6313   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
6314   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
6315   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
6316   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
6317   { TYPE_EMPTY,         NULL,                   ""                      },
6318   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6319
6320   { 0,                  NULL,                   NULL                    }
6321 };
6322
6323 static struct TokenInfo setup_info_shortcuts_1[] =
6324 {
6325   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
6326   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
6327   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
6328   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
6329   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
6330   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
6331   { TYPE_EMPTY,         NULL,                   ""                      },
6332   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
6333   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
6334   { TYPE_EMPTY,         NULL,                   ""                      },
6335   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6336
6337   { 0,                  NULL,                   NULL                    }
6338 };
6339
6340 static struct TokenInfo setup_info_shortcuts_2[] =
6341 {
6342   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
6343   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
6344   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
6345   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
6346   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
6347   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
6348   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
6349   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
6350   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
6351   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
6352   { TYPE_EMPTY,         NULL,                   ""                      },
6353   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6354
6355   { 0,                  NULL,                   NULL                    }
6356 };
6357
6358 static struct TokenInfo setup_info_shortcuts_3[] =
6359 {
6360   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
6361   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
6362   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
6363   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
6364   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
6365   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
6366   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
6367   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
6368   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
6369   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
6370   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
6371   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
6372   { TYPE_EMPTY,         NULL,                   ""                      },
6373   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6374
6375   { 0,                  NULL,                   NULL                    }
6376 };
6377
6378 static struct TokenInfo setup_info_shortcuts_4[] =
6379 {
6380   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
6381   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
6382   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
6383   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
6384   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
6385   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
6386   { TYPE_EMPTY,         NULL,                   ""                      },
6387   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6388
6389   { 0,                  NULL,                   NULL                    }
6390 };
6391
6392 static struct TokenInfo setup_info_shortcuts_5[] =
6393 {
6394   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
6395   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
6396   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
6397   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
6398   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
6399   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
6400   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
6401   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
6402   { TYPE_EMPTY,         NULL,                   ""                      },
6403   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
6404
6405   { 0,                  NULL,                   NULL                    }
6406 };
6407
6408 static Key getSetupKey(void)
6409 {
6410   Key key = KSYM_UNDEFINED;
6411   boolean got_key_event = FALSE;
6412
6413   while (!got_key_event)
6414   {
6415     Event event;
6416
6417     if (NextValidEvent(&event))
6418     {
6419       switch (event.type)
6420       {
6421         case EVENT_KEYPRESS:
6422           {
6423             key = GetEventKey((KeyEvent *)&event, TRUE);
6424
6425             /* press 'Escape' or 'Enter' to keep the existing key binding */
6426             if (key == KSYM_Escape || key == KSYM_Return)
6427               key = KSYM_UNDEFINED;     /* keep old value */
6428
6429             got_key_event = TRUE;
6430           }
6431           break;
6432
6433         case EVENT_KEYRELEASE:
6434           key_joystick_mapping = 0;
6435           break;
6436
6437         default:
6438           HandleOtherEvents(&event);
6439           break;
6440       }
6441     }
6442
6443     BackToFront();
6444   }
6445
6446   return key;
6447 }
6448
6449 static int getSetupValueFont(int type, void *value)
6450 {
6451   if (type & TYPE_GHOSTED)
6452     return FONT_OPTION_OFF;
6453   else if (type & TYPE_KEY)
6454     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
6455   else if (type & TYPE_STRING)
6456     return FONT_VALUE_2;
6457   else if (type & TYPE_ECS_AGA)
6458     return FONT_VALUE_1;
6459   else if (type & TYPE_BOOLEAN_STYLE)
6460     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
6461   else if (type & TYPE_YES_NO_AUTO)
6462     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
6463             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
6464   else if (type & TYPE_PLAYER)
6465     return FONT_VALUE_1;
6466   else
6467     return FONT_VALUE_1;
6468 }
6469
6470 static int getSetupValueFontNarrow(int type, int font_nr)
6471 {
6472   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
6473           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
6474           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
6475           font_nr);
6476 }
6477
6478 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
6479 {
6480   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6481   struct TokenInfo *si = &setup_info[si_pos];
6482   boolean font_draw_xoffset_modified = FALSE;
6483   boolean scrollbar_needed = (num_setup_info < max_setup_info);
6484   int font_draw_xoffset_old = -1;
6485   int xoffset = (scrollbar_needed ? -1 : 0);
6486   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
6487   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
6488   int xpos = menu_screen_value_xpos;
6489   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
6490   int startx = mSX + xpos * 32;
6491   int starty = mSY + ypos * 32;
6492   int font_nr, font_nr_default, font_width_default;
6493   int type = si->type;
6494   void *value = si->value;
6495   char *value_string = getSetupValue(type, value);
6496   int i;
6497
6498   if (value_string == NULL)
6499     return;
6500
6501   if (type & TYPE_KEY)
6502   {
6503     xpos = MENU_SCREEN_START_XPOS;
6504
6505     if (type & TYPE_QUERY)
6506       value_string = "<press key>";
6507   }
6508   else if (type & TYPE_STRING)
6509   {
6510     int max_value_len = (SCR_FIELDX - 2) * 2;
6511
6512     xpos = MENU_SCREEN_START_XPOS;
6513
6514     if (strlen(value_string) > max_value_len)
6515       value_string[max_value_len] = '\0';
6516   }
6517   else if (type & TYPE_YES_NO_AUTO)
6518   {
6519     xpos = menu_screen_value_xpos - 1;
6520   }
6521   else if (type & TYPE_PLAYER)
6522   {
6523     int displayed_player_nr = *(int *)value + 1;
6524
6525     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
6526   }
6527
6528   startx = mSX + xpos * 32;
6529   starty = mSY + ypos * 32;
6530   font_nr_default = getSetupValueFont(type, value);
6531   font_width_default = getFontWidth(font_nr_default);
6532
6533   font_nr = font_nr_default;
6534
6535   // special check if right-side setup values moved left due to scrollbar
6536   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
6537   {
6538     int max_menu_text_length = 26;      // maximum text length for classic menu
6539     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6540     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6541     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6542     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6543     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
6544
6545     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
6546     {
6547       xpos += 1;
6548       startx = mSX + xpos * 32;
6549
6550       font_nr = getSetupValueFontNarrow(type, font_nr);
6551     }
6552   }
6553
6554   /* downward compatibility correction for Juergen Bonhagen's menu settings */
6555   if (setup_mode != SETUP_MODE_INPUT)
6556   {
6557     int max_menu_text_length_big = (menu_screen_value_xpos -
6558                                     MENU_SCREEN_START_XPOS);
6559     int max_menu_text_length_medium = max_menu_text_length_big * 2;
6560     int check_font_nr = FONT_OPTION_ON; /* known font that needs correction */
6561     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
6562     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
6563     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
6564     int text_font_nr = getMenuTextFont(FONT_MENU_2);
6565     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
6566     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
6567     boolean correct_font_draw_xoffset = FALSE;
6568
6569     if (xpos == MENU_SCREEN_START_XPOS &&
6570         startx + font1_xoffset < text_startx + text_font_xoffset)
6571       correct_font_draw_xoffset = TRUE;
6572
6573     if (xpos == menu_screen_value_xpos &&
6574         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
6575       correct_font_draw_xoffset = TRUE;
6576
6577     /* check if setup value would overlap with setup text when printed */
6578     /* (this can happen for extreme/wrong values for font draw offset) */
6579     if (correct_font_draw_xoffset)
6580     {
6581       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
6582       font_draw_xoffset_modified = TRUE;
6583
6584       if (type & TYPE_KEY)
6585         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
6586       else if (!(type & TYPE_STRING))
6587         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
6588           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
6589     }
6590   }
6591
6592   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
6593     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
6594
6595   DrawText(startx, starty, value_string, font_nr);
6596
6597   if (type & TYPE_PLAYER)
6598   {
6599     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
6600     int player_nr = *(int *)value;
6601     int xoff = font->draw_xoffset + getFontWidth(font_nr);
6602     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
6603     int startx2 = startx + xoff;
6604     int starty2 = starty + yoff;
6605
6606     if (DrawingOnBackground(startx2, starty2))
6607       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
6608
6609     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
6610                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6611   }
6612
6613   if (font_draw_xoffset_modified)
6614     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
6615 }
6616
6617 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
6618 {
6619   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
6620   struct TokenInfo *si = &setup_info[si_pos];
6621
6622   if (si->type & TYPE_BOOLEAN_STYLE)
6623   {
6624     *(boolean *)si->value ^= TRUE;
6625   }
6626   else if (si->type & TYPE_YES_NO_AUTO)
6627   {
6628     *(int *)si->value =
6629       (dx == -1 ?
6630        (*(int *)si->value == AUTO ? TRUE :
6631         *(int *)si->value == TRUE ? FALSE : AUTO) :
6632        (*(int *)si->value == TRUE ? AUTO :
6633         *(int *)si->value == AUTO ? FALSE : TRUE));
6634   }
6635   else if (si->type & TYPE_KEY)
6636   {
6637     Key key;
6638
6639     si->type |= TYPE_QUERY;
6640     drawSetupValue(screen_pos, setup_info_pos_raw);
6641     si->type &= ~TYPE_QUERY;
6642
6643     key = getSetupKey();
6644     if (key != KSYM_UNDEFINED)
6645       *(Key *)si->value = key;
6646   }
6647   else if (si->type & TYPE_PLAYER)
6648   {
6649     int player_nr = *(int *)si->value;
6650
6651     if (dx)
6652       player_nr += dx;
6653     else
6654       player_nr = Request("Choose player", REQ_PLAYER) - 1;
6655
6656     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
6657   }
6658
6659   drawSetupValue(screen_pos, setup_info_pos_raw);
6660
6661   // fullscreen state may have changed at this point
6662   if (si->value == &setup.fullscreen)
6663     ToggleFullscreenOrChangeWindowScalingIfNeeded();
6664
6665   // network mode may have changed at this point
6666   if (si->value == &setup.network_mode)
6667     ToggleNetworkModeIfNeeded();
6668 }
6669
6670 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
6671 {
6672   static struct TokenInfo *setup_info_final = NULL;
6673   int list_size = 0;
6674   int list_pos = 0;
6675   int i;
6676
6677   /* determine maximum list size of target list */
6678   while (setup_info_orig[list_size++].type != 0);
6679
6680   /* free, allocate and clear memory for target list */
6681   checked_free(setup_info_final);
6682   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
6683
6684   /* copy setup info list without setup entries marked as hidden */
6685   for (i = 0; setup_info_orig[i].type != 0; i++)
6686   {
6687     /* skip setup entries configured to be hidden */
6688     if (hideSetupEntry(setup_info_orig[i].value))
6689       continue;
6690
6691     /* skip skippable setup entries if screen is lower than usual */
6692     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
6693         setup_info_orig[i].type == TYPE_SKIPPABLE)
6694       continue;
6695
6696     setup_info_final[list_pos++] = setup_info_orig[i];
6697   }
6698
6699   return setup_info_final;
6700 }
6701
6702 static void DrawSetupScreen_Generic(void)
6703 {
6704   int fade_mask = REDRAW_FIELD;
6705   boolean redraw_all = FALSE;
6706   char *title_string = NULL;
6707   int i;
6708
6709   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
6710     fade_mask = REDRAW_ALL;
6711
6712   UnmapAllGadgets();
6713   FadeMenuSoundsAndMusic();
6714
6715   FreeScreenGadgets();
6716   CreateScreenGadgets();
6717
6718   if (redraw_mask & REDRAW_ALL)
6719     redraw_all = TRUE;
6720
6721   FadeOut(fade_mask);
6722
6723   /* needed if different viewport properties defined for setup screen */
6724   ChangeViewportPropertiesIfNeeded();
6725
6726   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
6727
6728   ClearField();
6729
6730   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
6731
6732   if (setup_mode == SETUP_MODE_MAIN)
6733   {
6734     setup_info = setup_info_main;
6735     title_string = STR_SETUP_MAIN;
6736   }
6737   else if (setup_mode == SETUP_MODE_GAME)
6738   {
6739     setup_info = setup_info_game;
6740     title_string = STR_SETUP_GAME;
6741   }
6742   else if (setup_mode == SETUP_MODE_EDITOR)
6743   {
6744     setup_info = setup_info_editor;
6745     title_string = STR_SETUP_EDITOR;
6746   }
6747   else if (setup_mode == SETUP_MODE_GRAPHICS)
6748   {
6749     setup_info = setup_info_graphics;
6750     title_string = STR_SETUP_GRAPHICS;
6751   }
6752   else if (setup_mode == SETUP_MODE_SOUND)
6753   {
6754     setup_info = setup_info_sound;
6755     title_string = STR_SETUP_SOUND;
6756   }
6757   else if (setup_mode == SETUP_MODE_ARTWORK)
6758   {
6759     setup_info = setup_info_artwork;
6760     title_string = STR_SETUP_ARTWORK;
6761   }
6762   else if (setup_mode == SETUP_MODE_TOUCH)
6763   {
6764     setup_info = setup_info_touch;
6765     title_string = STR_SETUP_TOUCH;
6766
6767     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
6768       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
6769     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
6770       setup_info = setup_info_touch_wipe_gestures;
6771   }
6772   else if (setup_mode == SETUP_MODE_SHORTCUTS)
6773   {
6774     setup_info = setup_info_shortcuts;
6775     title_string = STR_SETUP_SHORTCUTS;
6776   }
6777   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
6778   {
6779     setup_info = setup_info_shortcuts_1;
6780     title_string = STR_SETUP_SHORTCUTS;
6781   }
6782   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
6783   {
6784     setup_info = setup_info_shortcuts_2;
6785     title_string = STR_SETUP_SHORTCUTS;
6786   }
6787   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
6788   {
6789     setup_info = setup_info_shortcuts_3;
6790     title_string = STR_SETUP_SHORTCUTS;
6791   }
6792   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
6793   {
6794     setup_info = setup_info_shortcuts_4;
6795     title_string = STR_SETUP_SHORTCUTS;
6796   }
6797   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
6798   {
6799     setup_info = setup_info_shortcuts_5;
6800     title_string = STR_SETUP_SHORTCUTS;
6801   }
6802
6803   /* use modified setup info without setup entries marked as hidden */
6804   setup_info = getSetupInfoFinal(setup_info);
6805
6806   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
6807
6808   // determine maximal number of setup entries that can be displayed on screen
6809   num_setup_info = 0;
6810   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
6811     num_setup_info++;
6812
6813   // determine maximal number of setup entries available for this setup screen
6814   max_setup_info = 0;
6815   for (i = 0; setup_info[i].type != 0; i++)
6816     max_setup_info++;
6817
6818   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
6819
6820   MapScreenGadgets(max_setup_info);
6821
6822   if (redraw_all)
6823     redraw_mask = fade_mask = REDRAW_ALL;
6824
6825   DrawMaskedBorder(fade_mask);
6826
6827   FadeIn(fade_mask);
6828 }
6829
6830 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
6831 {
6832   menu_info = setup_info;
6833
6834   HandleMenuScreen(mx, my, dx, dy, button,
6835                    setup_mode, num_setup_info, max_setup_info);
6836 }
6837
6838 static void DrawSetupScreen_Input(void)
6839 {
6840   int i;
6841
6842   FadeOut(REDRAW_FIELD);
6843
6844   ClearField();
6845
6846   setup_info = getSetupInfoFinal(setup_info_input);
6847
6848   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
6849
6850   for (i = 0; setup_info[i].type != 0; i++)
6851   {
6852     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
6853       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
6854     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
6855       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
6856     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
6857       initCursor(i, IMG_MENU_BUTTON);
6858
6859     DrawCursorAndText_Setup(i, -1, FALSE);
6860   }
6861
6862   /* create gadgets for setup input menu screen */
6863   FreeScreenGadgets();
6864   CreateScreenGadgets();
6865
6866   /* map gadgets for setup input menu screen */
6867   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
6868
6869   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
6870
6871   FadeIn(REDRAW_FIELD);
6872 }
6873
6874 static void setJoystickDeviceToNr(char *device_name, int device_nr)
6875 {
6876   if (device_name == NULL)
6877     return;
6878
6879   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
6880     device_nr = 0;
6881
6882   if (strlen(device_name) > 1)
6883   {
6884     char c1 = device_name[strlen(device_name) - 1];
6885     char c2 = device_name[strlen(device_name) - 2];
6886
6887     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
6888       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
6889   }
6890   else
6891     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
6892             strlen(device_name));
6893 }
6894
6895 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
6896 {
6897   int i;
6898   static struct SetupKeyboardInfo custom_key;
6899   static struct
6900   {
6901     Key *key;
6902     char *text;
6903   } custom[] =
6904   {
6905     { &custom_key.left,  "Axis/Pad Left"  },
6906     { &custom_key.right, "Axis/Pad Right" },
6907     { &custom_key.up,    "Axis/Pad Up"    },
6908     { &custom_key.down,  "Axis/Pad Down"  },
6909     { &custom_key.snap,  "Button 1/A/X"   },
6910     { &custom_key.drop,  "Button 2/B/Y"   }
6911   };
6912   static char *joystick_name[MAX_PLAYERS] =
6913   {
6914     "Joystick1",
6915     "Joystick2",
6916     "Joystick3",
6917     "Joystick4"
6918   };
6919   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
6920   int font_nr_info = FONT_MENU_1;
6921   int font_nr_name = FONT_VALUE_OLD;
6922   int font_nr_on   = FONT_VALUE_1;
6923   int font_nr_off  = FONT_VALUE_OLD;
6924   int pos = 4;
6925
6926   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
6927   {
6928     font_nr_info = FONT_MENU_2;
6929     font_nr_on   = FONT_VALUE_NARROW;
6930     font_nr_off  = FONT_VALUE_OLD_NARROW;
6931   }
6932
6933   custom_key = setup.input[player_nr].key;
6934
6935   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
6936            FONT_INPUT_1_ACTIVE);
6937
6938   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6939                              TILEX, TILEY);
6940   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
6941                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
6942
6943   if (setup.input[player_nr].use_joystick)
6944   {
6945     char *device_name = setup.input[player_nr].joy.device_name;
6946     int joystick_nr = getJoystickNrFromDeviceName(device_name);
6947     boolean joystick_active = CheckJoystickOpened(joystick_nr);
6948     char *text = joystick_name[joystick_nr];
6949     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
6950
6951     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
6952     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
6953   }
6954   else
6955   {
6956     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
6957     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
6958   }
6959
6960   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
6961     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
6962   else
6963     pos = 3;
6964
6965   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
6966   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
6967   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
6968   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
6969
6970   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
6971   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
6972   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
6973   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
6974   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
6975   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
6976
6977   for (i = 0; i < 6; i++)
6978   {
6979     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
6980
6981     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6982              "              ", font_nr_on);
6983     DrawText(mSX + 3 * 32, mSY + ypos * 32,
6984              (setup.input[player_nr].use_joystick ?
6985               custom[i].text :
6986               getKeyNameFromKey(*custom[i].key)), font_nr_on);
6987   }
6988 }
6989
6990 static int input_player_nr = 0;
6991
6992 static void HandleSetupScreen_Input_Player(int step, int direction)
6993 {
6994   int old_player_nr = input_player_nr;
6995   int new_player_nr;
6996
6997   new_player_nr = old_player_nr + step * direction;
6998   if (new_player_nr < 0)
6999     new_player_nr = 0;
7000   if (new_player_nr > MAX_PLAYERS - 1)
7001     new_player_nr = MAX_PLAYERS - 1;
7002
7003   if (new_player_nr != old_player_nr)
7004   {
7005     input_player_nr = new_player_nr;
7006
7007     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7008   }
7009 }
7010
7011 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7012 {
7013   static int choice = 0;
7014   int x = 0;
7015   int y = choice;
7016   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7017   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7018   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7019   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7020
7021   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7022   {
7023     int i;
7024
7025     for (i = 0; setup_info_input[i].type != 0; i++)
7026     {
7027       /* adjust menu structure according to skipped setup entries */
7028       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7029       {
7030         pos_empty2--;
7031         pos_end--;
7032       }
7033     }
7034   }
7035
7036   if (button == MB_MENU_INITIALIZE)
7037   {
7038     /* input setup menu may have changed size due to graphics configuration */
7039     if (choice >= pos_empty1)
7040       choice = pos_end;
7041
7042     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7043
7044     DrawCursorAndText_Setup(choice, -1, TRUE);
7045
7046     return;
7047   }
7048   else if (button == MB_MENU_LEAVE)
7049   {
7050     setup_mode = SETUP_MODE_MAIN;
7051     DrawSetupScreen();
7052     InitJoysticks();
7053
7054     return;
7055   }
7056
7057   if (mx || my)         /* mouse input */
7058   {
7059     x = (mx - mSX) / 32;
7060     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7061   }
7062   else if (dx || dy)    /* keyboard input */
7063   {
7064     if (dx && choice == 0)
7065       x = (dx < 0 ? 10 : 12);
7066     else if ((dx && choice == 1) ||
7067              (dx == -1 && choice == pos_end))
7068       button = MB_MENU_CHOICE;
7069     else if (dy)
7070       y = choice + dy;
7071
7072     if (y >= pos_empty1 && y <= pos_empty2)
7073       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7074   }
7075
7076   if (y == 0 && dx != 0 && button)
7077   {
7078     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7079   }
7080   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7081            y >= pos_start && y <= pos_end &&
7082            !(y >= pos_empty1 && y <= pos_empty2))
7083   {
7084     if (button)
7085     {
7086       if (y != choice)
7087       {
7088         DrawCursorAndText_Setup(choice, -1, FALSE);
7089         DrawCursorAndText_Setup(y, -1, TRUE);
7090
7091         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7092
7093         choice = y;
7094       }
7095     }
7096     else
7097     {
7098       if (y == 1)
7099       {
7100         char *device_name = setup.input[input_player_nr].joy.device_name;
7101
7102         if (!setup.input[input_player_nr].use_joystick)
7103         {
7104           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7105
7106           setJoystickDeviceToNr(device_name, new_device_nr);
7107           setup.input[input_player_nr].use_joystick = TRUE;
7108         }
7109         else
7110         {
7111           int device_nr = getJoystickNrFromDeviceName(device_name);
7112           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7113
7114           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7115             setup.input[input_player_nr].use_joystick = FALSE;
7116           else
7117             setJoystickDeviceToNr(device_name, new_device_nr);
7118         }
7119
7120         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7121       }
7122       else if (y == 2)
7123       {
7124         if (setup.input[input_player_nr].use_joystick)
7125           ConfigureJoystick(input_player_nr);
7126         else
7127           CustomizeKeyboard(input_player_nr);
7128       }
7129       else if (y == pos_end)
7130       {
7131         InitJoysticks();
7132
7133         FadeSetLeaveMenu();
7134
7135         setup_mode = SETUP_MODE_MAIN;
7136         DrawSetupScreen();
7137       }
7138     }
7139   }
7140 }
7141
7142 static boolean CustomizeKeyboardMain(int player_nr)
7143 {
7144   int i;
7145   int step_nr;
7146   boolean finished = FALSE;
7147   static struct SetupKeyboardInfo custom_key;
7148   static struct
7149   {
7150     Key *key;
7151     char *text;
7152   } customize_step[] =
7153   {
7154     { &custom_key.left,  "Move Left"    },
7155     { &custom_key.right, "Move Right"   },
7156     { &custom_key.up,    "Move Up"      },
7157     { &custom_key.down,  "Move Down"    },
7158     { &custom_key.snap,  "Snap Field"   },
7159     { &custom_key.drop,  "Drop Element" }
7160   };
7161   int font_nr_old = FONT_VALUE_OLD;
7162   int font_nr_new = FONT_VALUE_1;
7163   boolean success = FALSE;
7164
7165   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7166   {
7167     font_nr_old = FONT_VALUE_OLD_NARROW;
7168     font_nr_new = FONT_VALUE_NARROW;
7169   }
7170
7171   /* read existing key bindings from player setup */
7172   custom_key = setup.input[player_nr].key;
7173
7174   FadeSetEnterMenu();
7175   FadeOut(REDRAW_FIELD);
7176
7177   ClearField();
7178
7179   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
7180
7181   step_nr = 0;
7182   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7183            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7184   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7185            "Key:", FONT_INPUT_1_ACTIVE);
7186   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7187            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
7188
7189   FadeIn(REDRAW_FIELD);
7190
7191   while (!finished)
7192   {
7193     Event event;
7194
7195     if (NextValidEvent(&event))
7196     {
7197       switch (event.type)
7198       {
7199         case EVENT_KEYPRESS:
7200           {
7201             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7202
7203             /* press 'Escape' to abort and keep the old key bindings */
7204             if (key == KSYM_Escape)
7205             {
7206               FadeSkipNextFadeIn();
7207
7208               finished = TRUE;
7209
7210               break;
7211             }
7212
7213             /* press 'Enter' to keep the existing key binding */
7214             if (key == KSYM_Return)
7215               key = *customize_step[step_nr].key;
7216
7217             /* check if key already used */
7218             for (i = 0; i < step_nr; i++)
7219               if (*customize_step[i].key == key)
7220                 break;
7221             if (i < step_nr)
7222               break;
7223
7224             /* got new key binding */
7225             *customize_step[step_nr].key = key;
7226             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7227                      "             ", font_nr_new);
7228             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7229                      getKeyNameFromKey(key), font_nr_new);
7230             step_nr++;
7231
7232             /* un-highlight last query */
7233             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
7234                      customize_step[step_nr - 1].text, FONT_MENU_1);
7235             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
7236                      "Key:", FONT_MENU_1);
7237
7238             /* all keys configured */
7239             if (step_nr == 6)
7240             {
7241               finished = TRUE;
7242               success = TRUE;
7243
7244               break;
7245             }
7246
7247             /* query next key binding */
7248             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
7249                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
7250             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
7251                      "Key:", FONT_INPUT_1_ACTIVE);
7252             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
7253                      getKeyNameFromKey(*customize_step[step_nr].key),
7254                      font_nr_old);
7255           }
7256           break;
7257
7258         case EVENT_KEYRELEASE:
7259           key_joystick_mapping = 0;
7260           break;
7261
7262         default:
7263           HandleOtherEvents(&event);
7264           break;
7265       }
7266     }
7267
7268     BackToFront();
7269   }
7270
7271   /* write new key bindings back to player setup, if successfully finished */
7272   if (success)
7273     setup.input[player_nr].key = custom_key;
7274
7275   return success;
7276 }
7277
7278 void CustomizeKeyboard(int player_nr)
7279 {
7280   boolean success = CustomizeKeyboardMain(player_nr);
7281
7282   if (success)
7283   {
7284     int font_nr = FONT_TITLE_1;
7285     int font_height = getFontHeight(font_nr);
7286     int ypos1 = SYSIZE / 2 - font_height * 2;
7287     int ypos2 = SYSIZE / 2 - font_height * 1;
7288     unsigned int wait_frame_delay = 0;
7289     unsigned int wait_frame_delay_value = 2000;
7290
7291     ResetDelayCounter(&wait_frame_delay);
7292
7293     ClearField();
7294
7295     DrawTextSCentered(ypos1, font_nr, "Keyboard");
7296     DrawTextSCentered(ypos2, font_nr, "configured!");
7297
7298     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7299       BackToFront();
7300
7301     ClearEventQueue();
7302   }
7303
7304   DrawSetupScreen_Input();
7305 }
7306
7307 /* game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com> */
7308
7309 #define MARKER_BUTTON           1
7310 #define MARKER_AXIS_X           2
7311 #define MARKER_AXIS_Y           3
7312
7313 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
7314 {
7315 #if defined(TARGET_SDL2)
7316   static boolean bitmaps_initialized = FALSE;
7317   boolean screen_initialized = FALSE;
7318   static Bitmap *controller, *button, *axis_x, *axis_y;
7319   char *name;
7320   boolean success = TRUE;
7321   boolean done = FALSE, next = FALSE;
7322   Event event;
7323   int alpha = 200, alpha_step = -1;
7324   int alpha_ticks = 0;
7325   char mapping[4096], temp[4096];
7326   int font_name = MENU_SETUP_FONT_TITLE;
7327   int font_info = MENU_SETUP_FONT_TEXT;
7328   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
7329   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
7330   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
7331   int ystep_name = getMenuTextStep(spacing_name, font_name);
7332   int ystep_line = getMenuTextStep(spacing_line, font_info);
7333   int ystep_para = getMenuTextStep(spacing_para, font_info);
7334   int i, j;
7335
7336   struct
7337   {
7338     int x, y;
7339     int marker;
7340     char *field;
7341     int axis, button, hat, hat_value;
7342     char mapping[4096];
7343   }
7344   *step, *prev_step, steps[] =
7345   {
7346     { 356, 155, MARKER_BUTTON, "a",             },
7347     { 396, 122, MARKER_BUTTON, "b",             },
7348     { 320, 125, MARKER_BUTTON, "x",             },
7349     { 358,  95, MARKER_BUTTON, "y",             },
7350     { 162, 125, MARKER_BUTTON, "back",          },
7351     { 216, 125, MARKER_BUTTON, "guide",         },
7352     { 271, 125, MARKER_BUTTON, "start",         },
7353     { 110, 200, MARKER_BUTTON, "dpleft",        },
7354     { 146, 228, MARKER_BUTTON, "dpdown",        },
7355     { 178, 200, MARKER_BUTTON, "dpright",       },
7356     { 146, 172, MARKER_BUTTON, "dpup",          },
7357     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
7358     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
7359     { 382,  40, MARKER_BUTTON, "rightshoulder", },
7360     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
7361     {  73, 141, MARKER_BUTTON, "leftstick",     },
7362     { 282, 210, MARKER_BUTTON, "rightstick",    },
7363     {  73, 141, MARKER_AXIS_X, "leftx",         },
7364     {  73, 141, MARKER_AXIS_Y, "lefty",         },
7365     { 282, 210, MARKER_AXIS_X, "rightx",        },
7366     { 282, 210, MARKER_AXIS_Y, "righty",        },
7367   };
7368
7369   unsigned int event_frame_delay = 0;
7370   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
7371
7372   ResetDelayCounter(&event_frame_delay);
7373
7374   if (!bitmaps_initialized)
7375   {
7376     controller = LoadCustomImage("joystick/controller.png");
7377     button     = LoadCustomImage("joystick/button.png");
7378     axis_x     = LoadCustomImage("joystick/axis_x.png");
7379     axis_y     = LoadCustomImage("joystick/axis_y.png");
7380
7381     bitmaps_initialized = TRUE;
7382   }
7383
7384   name = getFormattedJoystickName(SDL_JoystickName(joystick));
7385
7386 #if DEBUG_JOYSTICKS
7387   /* print info about the joystick we are watching */
7388   Error(ERR_DEBUG, "watching joystick %d: (%s)\n",
7389         SDL_JoystickInstanceID(joystick), name);
7390   Error(ERR_DEBUG, "joystick has %d axes, %d hats, %d balls, and %d buttons\n",
7391         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
7392         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
7393 #endif
7394
7395   /* initialize mapping with GUID and name */
7396   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
7397
7398   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
7399            temp, name, SDL_GetPlatform());
7400
7401   /* loop through all steps (buttons and axes), getting joystick events */
7402   for (i = 0; i < SDL_arraysize(steps) && !done;)
7403   {
7404     Bitmap *marker = button;    /* initialize with reliable default value */
7405
7406     step = &steps[i];
7407     strcpy(step->mapping, mapping);
7408     step->axis = -1;
7409     step->button = -1;
7410     step->hat = -1;
7411     step->hat_value = -1;
7412
7413     marker = (step->marker == MARKER_BUTTON ? button :
7414               step->marker == MARKER_AXIS_X ? axis_x :
7415               step->marker == MARKER_AXIS_Y ? axis_y : marker);
7416
7417     next = FALSE;
7418
7419     while (!done && !next)
7420     {
7421       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
7422       alpha_ticks = SDL_GetTicks();
7423
7424       if (alpha >= 255)
7425       {
7426         alpha = 255;
7427         alpha_step = -1;
7428       }
7429       else if (alpha < 128)
7430       {
7431         alpha = 127;
7432         alpha_step = 1;
7433       }
7434
7435       int controller_x = SX + (SXSIZE - controller->width) / 2;
7436       int controller_y = SY + ystep_line;
7437
7438       int marker_x = controller_x + step->x;
7439       int marker_y = controller_y + step->y;
7440
7441       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
7442       int ystart2 = ystart1 + ystep_name + ystep_line;
7443
7444       ClearField();
7445
7446       DrawTextSCentered(ystart1, font_name, name);
7447
7448       DrawTextSCentered(ystart2, font_info,
7449                         "Press buttons and move axes on");
7450       ystart2 += ystep_line;
7451       DrawTextSCentered(ystart2, font_info,
7452                         "your controller when indicated.");
7453       ystart2 += ystep_line;
7454       DrawTextSCentered(ystart2, font_info,
7455                         "(Your controller may look different.)");
7456       ystart2 += ystep_para;
7457
7458 #if defined(PLATFORM_ANDROID)
7459       DrawTextSCentered(ystart2, font_info,
7460                         "To correct a mistake,");
7461       ystart2 += ystep_line;
7462       DrawTextSCentered(ystart2, font_info,
7463                         "press the 'back' button.");
7464       ystart2 += ystep_line;
7465       DrawTextSCentered(ystart2, font_info,
7466                         "To skip a button or axis,");
7467       ystart2 += ystep_line;
7468       DrawTextSCentered(ystart2, font_info,
7469                         "press the 'menu' button.");
7470 #else
7471       DrawTextSCentered(ystart2, font_info,
7472                         "To correct a mistake,");
7473       ystart2 += ystep_line;
7474       DrawTextSCentered(ystart2, font_info,
7475                         "press the 'backspace' key.");
7476       ystart2 += ystep_line;
7477       DrawTextSCentered(ystart2, font_info,
7478                         "To skip a button or axis,");
7479       ystart2 += ystep_line;
7480       DrawTextSCentered(ystart2, font_info,
7481                         "press the 'return' key.");
7482       ystart2 += ystep_line;
7483       DrawTextSCentered(ystart2, font_info,
7484                         "To exit, press the 'escape' key.");
7485 #endif
7486
7487       BlitBitmapMasked(controller, drawto, 0, 0,
7488                        controller->width, controller->height,
7489                        controller_x, controller_y);
7490
7491       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
7492       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
7493
7494       BlitBitmapMasked(marker, drawto, 0, 0,
7495                        marker->width, marker->height,
7496                        marker_x, marker_y);
7497
7498       if (!screen_initialized)
7499         FadeIn(REDRAW_FIELD);
7500       else
7501         BackToFront();
7502
7503       screen_initialized = TRUE;
7504
7505       while (NextValidEvent(&event))
7506       {
7507         switch (event.type)
7508         {
7509           case SDL_JOYAXISMOTION:
7510             if (event.jaxis.value > 20000 ||
7511                 event.jaxis.value < -20000)
7512             {
7513               for (j = 0; j < i; j++)
7514                 if (steps[j].axis == event.jaxis.axis)
7515                   break;
7516
7517               if (j == i)
7518               {
7519                 if (step->marker != MARKER_AXIS_X &&
7520                     step->marker != MARKER_AXIS_Y)
7521                   break;
7522
7523                 step->axis = event.jaxis.axis;
7524                 strcat(mapping, step->field);
7525                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
7526                 strcat(mapping, temp);
7527                 i++;
7528                 next = TRUE;
7529               }
7530             }
7531
7532             break;
7533
7534           case SDL_JOYHATMOTION:
7535             /* ignore centering; we're probably just coming back
7536                to the center from the previous item we set */
7537             if (event.jhat.value == SDL_HAT_CENTERED)
7538               break;
7539
7540             for (j = 0; j < i; j++)
7541               if (steps[j].hat == event.jhat.hat &&
7542                   steps[j].hat_value == event.jhat.value)
7543                 break;
7544
7545             if (j == i)
7546             {
7547               step->hat = event.jhat.hat;
7548               step->hat_value = event.jhat.value;
7549               strcat(mapping, step->field);
7550               snprintf(temp, sizeof(temp), ":h%u.%u,",
7551                        event.jhat.hat, event.jhat.value );
7552               strcat(mapping, temp);
7553               i++;
7554               next = TRUE;
7555             }
7556
7557             break;
7558
7559           case SDL_JOYBALLMOTION:
7560             break;
7561
7562           case SDL_JOYBUTTONUP:
7563             for (j = 0; j < i; j++)
7564               if (steps[j].button == event.jbutton.button)
7565                 break;
7566
7567             if (j == i)
7568             {
7569               step->button = event.jbutton.button;
7570               strcat(mapping, step->field);
7571               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
7572               strcat(mapping, temp);
7573               i++;
7574               next = TRUE;
7575             }
7576
7577             break;
7578
7579           case SDL_FINGERDOWN:
7580           case SDL_MOUSEBUTTONDOWN:
7581             /* skip this step */
7582             i++;
7583             next = TRUE;
7584
7585             break;
7586
7587           case SDL_KEYDOWN:
7588             if (event.key.keysym.sym == KSYM_BackSpace ||
7589                 event.key.keysym.sym == KSYM_Back)
7590             {
7591               if (i == 0)
7592               {
7593                 /* leave screen */
7594                 success = FALSE;
7595                 done = TRUE;
7596
7597                 break;
7598               }
7599
7600               /* undo this step */
7601               prev_step = &steps[i - 1];
7602               strcpy(mapping, prev_step->mapping);
7603               i--;
7604               next = TRUE;
7605
7606               break;
7607             }
7608
7609             if (event.key.keysym.sym == KSYM_space ||
7610                 event.key.keysym.sym == KSYM_Return ||
7611                 event.key.keysym.sym == KSYM_Menu)
7612             {
7613               /* skip this step */
7614               i++;
7615               next = TRUE;
7616
7617               break;
7618             }
7619
7620             if (event.key.keysym.sym == KSYM_Escape)
7621             {
7622               /* leave screen */
7623               success = FALSE;
7624               done = TRUE;
7625             }
7626
7627             break;
7628
7629           case SDL_QUIT:
7630             program.exit_function(0);
7631             break;
7632
7633           default:
7634             break;
7635         }
7636
7637         // do not handle events for longer than standard frame delay period
7638         if (DelayReached(&event_frame_delay, event_frame_delay_value))
7639           break;
7640       }
7641     }
7642   }
7643
7644   if (success)
7645   {
7646 #if DEBUG_JOYSTICKS
7647     Error(ERR_DEBUG, "New game controller mapping:\n\n%s\n\n", mapping);
7648 #endif
7649
7650     // activate mapping for this game
7651     SDL_GameControllerAddMapping(mapping);
7652
7653     // save mapping to personal mappings
7654     SaveSetup_AddGameControllerMapping(mapping);
7655   }
7656
7657   /* wait until the last pending event was removed from event queue */
7658   while (NextValidEvent(&event));
7659
7660   return success;
7661 #else
7662   return TRUE;
7663 #endif
7664 }
7665
7666 static int ConfigureJoystickMain(int player_nr)
7667 {
7668   char *device_name = setup.input[player_nr].joy.device_name;
7669   int joystick_nr = getJoystickNrFromDeviceName(device_name);
7670   boolean joystick_active = CheckJoystickOpened(joystick_nr);
7671   int success = FALSE;
7672   int i;
7673
7674   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
7675     return JOYSTICK_NOT_AVAILABLE;
7676
7677   if (!joystick_active || !setup.input[player_nr].use_joystick)
7678     return JOYSTICK_NOT_AVAILABLE;
7679
7680   FadeSetEnterMenu();
7681   FadeOut(REDRAW_FIELD);
7682
7683   // close all joystick devices (potentially opened as game controllers)
7684   for (i = 0; i < SDL_NumJoysticks(); i++)
7685     SDLCloseJoystick(i);
7686
7687   // open joystick device as plain joystick to configure as game controller
7688   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
7689
7690   // as the joystick was successfully opened before, this should not happen
7691   if (joystick == NULL)
7692     return FALSE;
7693
7694   // create new game controller mapping (buttons and axes) for joystick device
7695   success = ConfigureJoystickMapButtonsAndAxes(joystick);
7696
7697   // close joystick (and maybe re-open as configured game controller later)
7698   SDL_JoystickClose(joystick);
7699
7700   // re-open all joystick devices (potentially as game controllers)
7701   for (i = 0; i < SDL_NumJoysticks(); i++)
7702     SDLOpenJoystick(i);
7703
7704   // clear all joystick input actions for all joystick devices
7705   SDLClearJoystickState();
7706
7707   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
7708 }
7709
7710 void ConfigureJoystick(int player_nr)
7711 {
7712   boolean state = ConfigureJoystickMain(player_nr);
7713
7714   if (state != JOYSTICK_NOT_CONFIGURED)
7715   {
7716     boolean success = (state == JOYSTICK_CONFIGURED);
7717     char message1[MAX_OUTPUT_LINESIZE + 1];
7718     char *message2 = (success ? "configured!" : "not available!");
7719     char *device_name = setup.input[player_nr].joy.device_name;
7720     int nr = getJoystickNrFromDeviceName(device_name) + 1;
7721     int font_nr = FONT_TITLE_1;
7722     int font_height = getFontHeight(font_nr);
7723     int ypos1 = SYSIZE / 2 - font_height * 2;
7724     int ypos2 = SYSIZE / 2 - font_height * 1;
7725     unsigned int wait_frame_delay = 0;
7726     unsigned int wait_frame_delay_value = 2000;
7727
7728     ResetDelayCounter(&wait_frame_delay);
7729
7730     ClearField();
7731
7732     sprintf(message1, "Joystick %d", nr);
7733
7734     DrawTextSCentered(ypos1, font_nr, message1);
7735     DrawTextSCentered(ypos2, font_nr, message2);
7736
7737     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
7738       BackToFront();
7739
7740     ClearEventQueue();
7741   }
7742
7743   DrawSetupScreen_Input();
7744 }
7745
7746 static boolean ConfigureVirtualButtonsMain(void)
7747 {
7748   static char *customize_step_text[] =
7749   {
7750     "Move Left",
7751     "Move Right",
7752     "Move Up",
7753     "Move Down",
7754     "Snap Field",
7755     "Drop Element"
7756   };
7757   char grid_button[] =
7758   {
7759     CHAR_GRID_BUTTON_LEFT,
7760     CHAR_GRID_BUTTON_RIGHT,
7761     CHAR_GRID_BUTTON_UP,
7762     CHAR_GRID_BUTTON_DOWN,
7763     CHAR_GRID_BUTTON_SNAP,
7764     CHAR_GRID_BUTTON_DROP
7765   };
7766   int font_nr = FONT_INPUT_1_ACTIVE;
7767   int font_height = getFontHeight(font_nr);
7768   int ypos1 = SYSIZE / 2 - font_height * 2;
7769   int ypos2 = SYSIZE / 2 - font_height * 1;
7770   boolean success = FALSE;
7771   boolean finished = FALSE;
7772   int step_nr = 0;
7773   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
7774   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7775   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
7776   boolean set_grid_button = FALSE;
7777   int nr = GRID_ACTIVE_NR();
7778   int x, y;
7779
7780   for (x = 0; x < MAX_GRID_XSIZE; x++)
7781     for (y = 0; y < MAX_GRID_YSIZE; y++)
7782       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
7783
7784   overlay.grid_button_highlight = grid_button[step_nr];
7785
7786   FadeSetEnterMenu();
7787   FadeOut(REDRAW_FIELD);
7788
7789   ClearField();
7790
7791   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7792   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7793   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7794
7795   FadeIn(REDRAW_FIELD);
7796
7797   SetOverlayShowGrid(TRUE);
7798
7799   while (!finished)
7800   {
7801     Event event;
7802
7803     while (NextValidEvent(&event))
7804     {
7805       switch (event.type)
7806       {
7807         case EVENT_KEYPRESS:
7808           {
7809             Key key = GetEventKey((KeyEvent *)&event, FALSE);
7810
7811             /* press 'Escape' to abort and keep the old key bindings */
7812             if (key == KSYM_Escape)
7813             {
7814               for (x = 0; x < MAX_GRID_XSIZE; x++)
7815                 for (y = 0; y < MAX_GRID_YSIZE; y++)
7816                   overlay.grid_button[x][y] = grid_button_old[x][y];
7817
7818               FadeSkipNextFadeIn();
7819
7820               finished = TRUE;
7821
7822               break;
7823             }
7824
7825             /* press 'Enter' to keep the existing key binding */
7826             if (key == KSYM_Return ||
7827 #if defined(TARGET_SDL2)
7828                 key == KSYM_Menu ||
7829 #endif
7830                 key == KSYM_space)
7831             {
7832               step_nr++;
7833             }
7834             else if (key == KSYM_BackSpace
7835 #if defined(TARGET_SDL2)
7836                      ||
7837                      key == KSYM_Back
7838 #endif
7839                      )
7840             {
7841               if (step_nr == 0)
7842               {
7843                 FadeSkipNextFadeIn();
7844
7845                 finished = TRUE;
7846
7847                 break;
7848               }
7849
7850               step_nr--;
7851             }
7852             else
7853             {
7854               break;
7855             }
7856
7857             /* all virtual buttons configured */
7858             if (step_nr == 6)
7859             {
7860               finished = TRUE;
7861               success = TRUE;
7862
7863               break;
7864             }
7865
7866             for (x = 0; x < MAX_GRID_XSIZE; x++)
7867               for (y = 0; y < MAX_GRID_YSIZE; y++)
7868                 grid_button_tmp[x][y] = overlay.grid_button[x][y];
7869
7870             overlay.grid_button_highlight = grid_button[step_nr];
7871
7872             /* query next virtual button */
7873
7874             ClearField();
7875
7876             DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
7877             DrawTextSCentered(ypos1, font_nr, "Select tiles to");
7878             DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
7879           }
7880           break;
7881
7882         case EVENT_KEYRELEASE:
7883           key_joystick_mapping = 0;
7884           break;
7885
7886         case EVENT_BUTTONPRESS:
7887         case EVENT_BUTTONRELEASE:
7888           {
7889             ButtonEvent *button = (ButtonEvent *)&event;
7890
7891             button->x += video.screen_xoffset;
7892             button->y += video.screen_yoffset;
7893
7894             x = button->x * overlay.grid_xsize / video.screen_width;
7895             y = button->y * overlay.grid_ysize / video.screen_height;
7896
7897             if (button->type == EVENT_BUTTONPRESS)
7898             {
7899               button_status = button->button;
7900
7901               grid_button_draw =
7902                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
7903                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
7904
7905               set_grid_button = TRUE;
7906             }
7907             else
7908             {
7909               button_status = MB_RELEASED;
7910             }
7911           }
7912           break;
7913
7914         case EVENT_MOTIONNOTIFY:
7915           {
7916             MotionEvent *motion = (MotionEvent *)&event;
7917
7918             motion->x += video.screen_xoffset;
7919             motion->y += video.screen_yoffset;
7920
7921             x = motion->x * overlay.grid_xsize / video.screen_width;
7922             y = motion->y * overlay.grid_ysize / video.screen_height;
7923
7924             set_grid_button = TRUE;
7925           }
7926           break;
7927
7928 #if defined(TARGET_SDL2)
7929         case SDL_WINDOWEVENT:
7930           HandleWindowEvent((WindowEvent *) &event);
7931
7932           // check if device has been rotated
7933           if (nr != GRID_ACTIVE_NR())
7934           {
7935             nr = GRID_ACTIVE_NR();
7936
7937             for (x = 0; x < MAX_GRID_XSIZE; x++)
7938               for (y = 0; y < MAX_GRID_YSIZE; y++)
7939                 grid_button_old[x][y] = grid_button_tmp[x][y] =
7940                   overlay.grid_button[x][y];
7941           }
7942
7943           break;
7944
7945         case SDL_APP_WILLENTERBACKGROUND:
7946         case SDL_APP_DIDENTERBACKGROUND:
7947         case SDL_APP_WILLENTERFOREGROUND:
7948         case SDL_APP_DIDENTERFOREGROUND:
7949           HandlePauseResumeEvent((PauseResumeEvent *) &event);
7950           break;
7951 #endif
7952
7953         default:
7954           HandleOtherEvents(&event);
7955           break;
7956       }
7957
7958       if (set_grid_button)
7959       {
7960         overlay.grid_button[x][y] =
7961           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
7962            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
7963            grid_button_tmp[x][y]);
7964
7965         set_grid_button = FALSE;
7966       }
7967     }
7968
7969     BackToFront();
7970   }
7971
7972   for (x = 0; x < MAX_GRID_XSIZE; x++)
7973     for (y = 0; y < MAX_GRID_YSIZE; y++)
7974       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
7975
7976   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
7977
7978   SetOverlayShowGrid(FALSE);
7979
7980   return success;
7981 }
7982
7983 void ConfigureVirtualButtons(void)
7984 {
7985   boolean success = ConfigureVirtualButtonsMain();
7986
7987   if (success)
7988   {
7989     int font_nr = FONT_TITLE_1;
7990     int font_height = getFontHeight(font_nr);
7991     int ypos1 = SYSIZE / 2 - font_height * 2;
7992     int ypos2 = SYSIZE / 2 - font_height * 1;
7993     unsigned int wait_frame_delay = 0;
7994     unsigned int wait_frame_delay_value = 2000;
7995
7996     ResetDelayCounter(&wait_frame_delay);
7997
7998     ClearField();
7999
8000     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8001     DrawTextSCentered(ypos2, font_nr, "configured!");
8002
8003     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8004       BackToFront();
8005
8006     ClearEventQueue();
8007   }
8008 }
8009
8010 void DrawSetupScreen(void)
8011 {
8012   if (setup_mode == SETUP_MODE_INPUT)
8013     DrawSetupScreen_Input();
8014   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8015     DrawChooseTree(&game_speed_current);
8016   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8017     DrawChooseTree(&scroll_delay_current);
8018   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8019     DrawChooseTree(&snapshot_mode_current);
8020   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8021     DrawChooseTree(&window_size_current);
8022   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8023     DrawChooseTree(&scaling_type_current);
8024   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8025     DrawChooseTree(&rendering_mode_current);
8026   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8027     DrawChooseTree(&vsync_mode_current);
8028   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8029     DrawChooseTree(&artwork.gfx_current);
8030   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8031     DrawChooseTree(&artwork.snd_current);
8032   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8033     DrawChooseTree(&artwork.mus_current);
8034   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8035     DrawChooseTree(&volume_simple_current);
8036   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8037     DrawChooseTree(&volume_loops_current);
8038   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8039     DrawChooseTree(&volume_music_current);
8040   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8041     DrawChooseTree(&touch_control_current);
8042   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8043     DrawChooseTree(&move_distance_current);
8044   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8045     DrawChooseTree(&drop_distance_current);
8046   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8047     DrawChooseTree(&transparency_current);
8048   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8049     DrawChooseTree(&grid_size_current[0][0]);
8050   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8051     DrawChooseTree(&grid_size_current[0][1]);
8052   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8053     DrawChooseTree(&grid_size_current[1][0]);
8054   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8055     DrawChooseTree(&grid_size_current[1][1]);
8056   else
8057     DrawSetupScreen_Generic();
8058
8059   PlayMenuSoundsAndMusic();
8060 }
8061
8062 void RedrawSetupScreenAfterFullscreenToggle(void)
8063 {
8064   if (setup_mode == SETUP_MODE_GRAPHICS ||
8065       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8066   {
8067     // update list selection from "setup.window_scaling_percent"
8068     execSetupGraphics_setWindowSizes(TRUE);
8069
8070     DrawSetupScreen();
8071   }
8072 }
8073
8074 void RedrawSetupScreenAfterScreenRotation(int nr)
8075 {
8076   int x, y;
8077
8078   if (setup_mode == SETUP_MODE_TOUCH)
8079   {
8080     // update virtual button settings (depending on screen orientation)
8081     DrawSetupScreen();
8082   }
8083   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8084   {
8085     // save already configured virtual buttons
8086     for (x = 0; x < MAX_GRID_XSIZE; x++)
8087       for (y = 0; y < MAX_GRID_YSIZE; y++)
8088         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8089   }
8090 }
8091
8092 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
8093 {
8094   if (setup_mode == SETUP_MODE_INPUT)
8095     HandleSetupScreen_Input(mx, my, dx, dy, button);
8096   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8097     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
8098   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8099     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
8100   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8101     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
8102   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8103     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
8104   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8105     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
8106   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8107     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
8108   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8109     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
8110   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8111     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
8112   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8113     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
8114   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8115     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
8116   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8117     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
8118   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8119     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
8120   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8121     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
8122   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8123     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
8124   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8125     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
8126   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8127     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
8128   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8129     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
8130   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8131     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
8132   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8133     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
8134   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8135     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
8136   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8137     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
8138   else
8139     HandleSetupScreen_Generic(mx, my, dx, dy, button);
8140 }
8141
8142 void HandleGameActions(void)
8143 {
8144   if (game.restart_game_message != NULL)
8145     RequestRestartGame(game.restart_game_message);
8146
8147   if (game_status != GAME_MODE_PLAYING)
8148     return;
8149
8150   GameActions();        /* main game loop */
8151
8152   if (tape.auto_play && !tape.playing)
8153     AutoPlayTape();     /* continue automatically playing next tape */
8154 }
8155
8156
8157 /* ---------- new screen button stuff -------------------------------------- */
8158
8159 static void getScreenMenuButtonPos(int *x, int *y, int gadget_id)
8160 {
8161   switch (gadget_id)
8162   {
8163     case SCREEN_CTRL_ID_PREV_LEVEL:
8164       *x = mSX + GDI_ACTIVE_POS(menu.main.button.prev_level.x);
8165       *y = mSY + GDI_ACTIVE_POS(menu.main.button.prev_level.y);
8166       break;
8167
8168     case SCREEN_CTRL_ID_NEXT_LEVEL:
8169       *x = mSX + GDI_ACTIVE_POS(menu.main.button.next_level.x);
8170       *y = mSY + GDI_ACTIVE_POS(menu.main.button.next_level.y);
8171       break;
8172
8173     case SCREEN_CTRL_ID_PREV_PLAYER:
8174       *x = mSX + TILEX * 10;
8175       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8176       break;
8177
8178     case SCREEN_CTRL_ID_NEXT_PLAYER:
8179       *x = mSX + TILEX * 12;
8180       *y = mSY + TILEY * MENU_SCREEN_START_YPOS;
8181       break;
8182
8183     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8184       *x = mSX + GDI_ACTIVE_POS(menu.main.button.insert_solution.x);
8185       *y = mSY + GDI_ACTIVE_POS(menu.main.button.insert_solution.y);
8186       break;
8187
8188     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8189       *x = mSX + GDI_ACTIVE_POS(menu.main.button.play_solution.x);
8190       *y = mSY + GDI_ACTIVE_POS(menu.main.button.play_solution.y);
8191       break;
8192
8193     default:
8194       Error(ERR_EXIT, "unknown gadget ID %d", gadget_id);
8195   }
8196 }
8197
8198 static struct
8199 {
8200   int gfx_unpressed, gfx_pressed;
8201   void (*get_gadget_position)(int *, int *, int);
8202   int gadget_id;
8203   int screen_mask;
8204   char *infotext;
8205 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
8206 {
8207   {
8208     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
8209     getScreenMenuButtonPos,
8210     SCREEN_CTRL_ID_PREV_LEVEL,
8211     SCREEN_MASK_MAIN,
8212     "last level"
8213   },
8214   {
8215     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
8216     getScreenMenuButtonPos,
8217     SCREEN_CTRL_ID_NEXT_LEVEL,
8218     SCREEN_MASK_MAIN,
8219     "next level"
8220   },
8221   {
8222     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
8223     getScreenMenuButtonPos,
8224     SCREEN_CTRL_ID_PREV_PLAYER,
8225     SCREEN_MASK_INPUT,
8226     "last player"
8227   },
8228   {
8229     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
8230     getScreenMenuButtonPos,
8231     SCREEN_CTRL_ID_NEXT_PLAYER,
8232     SCREEN_MASK_INPUT,
8233     "next player"
8234   },
8235   {
8236     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
8237     getScreenMenuButtonPos,
8238     SCREEN_CTRL_ID_INSERT_SOLUTION,
8239     SCREEN_MASK_MAIN_HAS_SOLUTION,
8240     "insert solution tape"
8241   },
8242   {
8243     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
8244     getScreenMenuButtonPos,
8245     SCREEN_CTRL_ID_PLAY_SOLUTION,
8246     SCREEN_MASK_MAIN_HAS_SOLUTION,
8247     "play solution tape"
8248   },
8249 };
8250
8251 static struct
8252 {
8253   int gfx_unpressed, gfx_pressed;
8254   int x, y;
8255   int gadget_id;
8256   char *infotext;
8257 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
8258 {
8259   {
8260     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
8261     -1, -1,     /* these values are not constant, but can change at runtime */
8262     SCREEN_CTRL_ID_SCROLL_UP,
8263     "scroll up"
8264   },
8265   {
8266     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
8267     -1, -1,     /* these values are not constant, but can change at runtime */
8268     SCREEN_CTRL_ID_SCROLL_DOWN,
8269     "scroll down"
8270   }
8271 };
8272
8273 static struct
8274 {
8275   int gfx_unpressed, gfx_pressed;
8276   int x, y;
8277   int width, height;
8278   int type;
8279   int gadget_id;
8280   char *infotext;
8281 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
8282 {
8283   {
8284     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
8285     -1, -1,     /* these values are not constant, but can change at runtime */
8286     -1, -1,     /* these values are not constant, but can change at runtime */
8287     GD_TYPE_SCROLLBAR_VERTICAL,
8288     SCREEN_CTRL_ID_SCROLL_VERTICAL,
8289     "scroll level series vertically"
8290   }
8291 };
8292
8293 static struct
8294 {
8295   int graphic;
8296   int gadget_id;
8297   int x, y;
8298   int size;
8299   char *value;
8300   char *infotext;
8301 } textinput_info[NUM_SCREEN_TEXTINPUT] =
8302 {
8303   {
8304     IMG_SETUP_INPUT_TEXT,
8305     SCREEN_CTRL_ID_NETWORK_SERVER,
8306     -1, -1,     /* these values are not constant, but can change at runtime */
8307     MAX_SETUP_TEXT_INPUT_LEN,
8308     network_server_hostname,
8309     "Network Server Hostname / IP"
8310   },
8311 };
8312
8313 static void CreateScreenMenubuttons(void)
8314 {
8315   struct GadgetInfo *gi;
8316   unsigned int event_mask;
8317   int i;
8318
8319   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8320   {
8321     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8322     int gfx_unpressed, gfx_pressed;
8323     int x, y, width, height;
8324     int gd_x1, gd_x2, gd_y1, gd_y2;
8325     int id = menubutton_info[i].gadget_id;
8326
8327     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8328       event_mask = GD_EVENT_RELEASED;
8329     else
8330       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8331
8332     menubutton_info[i].get_gadget_position(&x, &y, id);
8333
8334     if (menubutton_info[i].screen_mask == SCREEN_MASK_MAIN_HAS_SOLUTION)
8335     {
8336       width  = graphic_info[menubutton_info[i].gfx_pressed].width;
8337       height = graphic_info[menubutton_info[i].gfx_pressed].height;
8338     }
8339     else
8340     {
8341       width = SC_MENUBUTTON_XSIZE;
8342       height = SC_MENUBUTTON_YSIZE;
8343     }
8344
8345     gfx_unpressed = menubutton_info[i].gfx_unpressed;
8346     gfx_pressed   = menubutton_info[i].gfx_pressed;
8347     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8348     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8349     gd_x1 = graphic_info[gfx_unpressed].src_x;
8350     gd_y1 = graphic_info[gfx_unpressed].src_y;
8351     gd_x2 = graphic_info[gfx_pressed].src_x;
8352     gd_y2 = graphic_info[gfx_pressed].src_y;
8353
8354     gi = CreateGadget(GDI_CUSTOM_ID, id,
8355                       GDI_CUSTOM_TYPE_ID, i,
8356                       GDI_IMAGE_ID, gfx_unpressed,
8357                       GDI_INFO_TEXT, menubutton_info[i].infotext,
8358                       GDI_X, x,
8359                       GDI_Y, y,
8360                       GDI_WIDTH, width,
8361                       GDI_HEIGHT, height,
8362                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8363                       GDI_STATE, GD_BUTTON_UNPRESSED,
8364                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8365                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8366                       GDI_DIRECT_DRAW, FALSE,
8367                       GDI_EVENT_MASK, event_mask,
8368                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8369                       GDI_END);
8370
8371     if (gi == NULL)
8372       Error(ERR_EXIT, "cannot create gadget");
8373
8374     screen_gadget[id] = gi;
8375   }
8376 }
8377
8378 static void CreateScreenScrollbuttons(void)
8379 {
8380   struct GadgetInfo *gi;
8381   unsigned int event_mask;
8382   int i;
8383
8384   /* these values are not constant, but can change at runtime */
8385   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
8386   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
8387   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
8388   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
8389
8390   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8391   {
8392     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8393     int gfx_unpressed, gfx_pressed;
8394     int x, y, width, height;
8395     int gd_x1, gd_x2, gd_y1, gd_y2;
8396     int id = scrollbutton_info[i].gadget_id;
8397
8398     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8399
8400     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
8401     y = mSY + scrollbutton_info[i].y;
8402     width = SC_SCROLLBUTTON_XSIZE;
8403     height = SC_SCROLLBUTTON_YSIZE;
8404
8405     /* correct scrollbar position if placed outside menu (playfield) area */
8406     if (x > SX + SC_SCROLL_UP_XPOS)
8407       x = SX + SC_SCROLL_UP_XPOS;
8408
8409     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
8410       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
8411                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
8412
8413     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
8414     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
8415     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8416     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8417     gd_x1 = graphic_info[gfx_unpressed].src_x;
8418     gd_y1 = graphic_info[gfx_unpressed].src_y;
8419     gd_x2 = graphic_info[gfx_pressed].src_x;
8420     gd_y2 = graphic_info[gfx_pressed].src_y;
8421
8422     gi = CreateGadget(GDI_CUSTOM_ID, id,
8423                       GDI_CUSTOM_TYPE_ID, i,
8424                       GDI_IMAGE_ID, gfx_unpressed,
8425                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
8426                       GDI_X, x,
8427                       GDI_Y, y,
8428                       GDI_WIDTH, width,
8429                       GDI_HEIGHT, height,
8430                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8431                       GDI_STATE, GD_BUTTON_UNPRESSED,
8432                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8433                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8434                       GDI_DIRECT_DRAW, FALSE,
8435                       GDI_EVENT_MASK, event_mask,
8436                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8437                       GDI_END);
8438
8439     if (gi == NULL)
8440       Error(ERR_EXIT, "cannot create gadget");
8441
8442     screen_gadget[id] = gi;
8443   }
8444 }
8445
8446 static void CreateScreenScrollbars(void)
8447 {
8448   int i;
8449
8450   /* these values are not constant, but can change at runtime */
8451   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
8452   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
8453   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
8454   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
8455
8456   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8457   {
8458     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
8459     int gfx_unpressed, gfx_pressed;
8460     int x, y, width, height;
8461     int gd_x1, gd_x2, gd_y1, gd_y2;
8462     struct GadgetInfo *gi;
8463     int items_max, items_visible, item_position;
8464     unsigned int event_mask;
8465     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
8466     int id = scrollbar_info[i].gadget_id;
8467
8468     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8469
8470     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
8471     y = mSY + scrollbar_info[i].y;
8472     width  = scrollbar_info[i].width;
8473     height = scrollbar_info[i].height;
8474
8475     /* correct scrollbar position if placed outside menu (playfield) area */
8476     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
8477       x = SX + SC_SCROLL_VERTICAL_XPOS;
8478
8479     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
8480       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
8481
8482     items_max = num_page_entries;
8483     items_visible = num_page_entries;
8484     item_position = 0;
8485
8486     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
8487     gfx_pressed   = scrollbar_info[i].gfx_pressed;
8488     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
8489     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
8490     gd_x1 = graphic_info[gfx_unpressed].src_x;
8491     gd_y1 = graphic_info[gfx_unpressed].src_y;
8492     gd_x2 = graphic_info[gfx_pressed].src_x;
8493     gd_y2 = graphic_info[gfx_pressed].src_y;
8494
8495     gi = CreateGadget(GDI_CUSTOM_ID, id,
8496                       GDI_CUSTOM_TYPE_ID, i,
8497                       GDI_IMAGE_ID, gfx_unpressed,
8498                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8499                       GDI_X, x,
8500                       GDI_Y, y,
8501                       GDI_WIDTH, width,
8502                       GDI_HEIGHT, height,
8503                       GDI_TYPE, scrollbar_info[i].type,
8504                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8505                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8506                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8507                       GDI_WHEEL_AREA_X, SX,
8508                       GDI_WHEEL_AREA_Y, SY,
8509                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
8510                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
8511                       GDI_STATE, GD_BUTTON_UNPRESSED,
8512                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
8513                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
8514                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
8515                       GDI_DIRECT_DRAW, FALSE,
8516                       GDI_EVENT_MASK, event_mask,
8517                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8518                       GDI_END);
8519
8520     if (gi == NULL)
8521       Error(ERR_EXIT, "cannot create gadget");
8522
8523     screen_gadget[id] = gi;
8524   }
8525 }
8526
8527 static void CreateScreenTextInputGadgets(void)
8528 {
8529   int i;
8530
8531   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
8532   {
8533     int graphic = textinput_info[i].graphic;
8534     struct GraphicInfo *gd = &graphic_info[graphic];
8535     int gd_x1 = gd->src_x;
8536     int gd_y1 = gd->src_y;
8537     int gd_x2 = gd->src_x + gd->active_xoffset;
8538     int gd_y2 = gd->src_y + gd->active_yoffset;
8539     struct GadgetInfo *gi;
8540     unsigned int event_mask;
8541     int id = textinput_info[i].gadget_id;
8542     int x = textinput_info[i].x;
8543     int y = textinput_info[i].y;
8544
8545     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8546
8547     gi = CreateGadget(GDI_CUSTOM_ID, id,
8548                       GDI_CUSTOM_TYPE_ID, i,
8549                       GDI_INFO_TEXT, textinput_info[i].infotext,
8550                       GDI_X, SX + x,
8551                       GDI_Y, SY + y,
8552                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8553                       GDI_TEXT_VALUE, textinput_info[i].value,
8554                       GDI_TEXT_SIZE, textinput_info[i].size,
8555                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
8556                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
8557                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8558                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8559                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8560                       GDI_DESIGN_WIDTH, gd->width,
8561                       GDI_EVENT_MASK, event_mask,
8562                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
8563                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
8564                       GDI_END);
8565
8566     if (gi == NULL)
8567       Error(ERR_EXIT, "cannot create gadget");
8568
8569     screen_gadget[id] = gi;
8570   }
8571 }
8572
8573 void CreateScreenGadgets(void)
8574 {
8575   CreateScreenMenubuttons();
8576
8577   CreateScreenScrollbuttons();
8578   CreateScreenScrollbars();
8579
8580   CreateScreenTextInputGadgets();
8581 }
8582
8583 void FreeScreenGadgets(void)
8584 {
8585   int i;
8586
8587   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
8588     FreeGadget(screen_gadget[i]);
8589 }
8590
8591 void MapScreenMenuGadgets(int screen_mask)
8592 {
8593   int i;
8594
8595   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8596     if (screen_mask & menubutton_info[i].screen_mask)
8597       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8598 }
8599
8600 static void UnmapScreenMenuGadgets(int screen_mask)
8601 {
8602   int i;
8603
8604   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
8605   {
8606     if (screen_mask & menubutton_info[i].screen_mask)
8607     {
8608       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
8609
8610       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
8611         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
8612                        screen_gadget[menubutton_info[i].gadget_id]->y,
8613                        screen_gadget[menubutton_info[i].gadget_id]->width,
8614                        screen_gadget[menubutton_info[i].gadget_id]->height);
8615     }
8616   }
8617 }
8618
8619 void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
8620 {
8621   if (map_gadgets)
8622     MapScreenMenuGadgets(screen_mask);
8623   else
8624     UnmapScreenMenuGadgets(screen_mask);
8625 }
8626
8627 void MapScreenGadgets(int num_entries)
8628 {
8629   int i;
8630
8631   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
8632     return;
8633
8634   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
8635     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
8636
8637   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
8638     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
8639 }
8640
8641 void MapScreenTreeGadgets(TreeInfo *ti)
8642 {
8643   MapScreenGadgets(numTreeInfoInGroup(ti));
8644 }
8645
8646 static void HandleScreenGadgets(struct GadgetInfo *gi)
8647 {
8648   int id = gi->custom_id;
8649   int button = gi->event.button;
8650   int step = (button == MB_LEFTBUTTON   ? 1 :
8651               button == MB_MIDDLEBUTTON ? 5 :
8652               button == MB_RIGHTBUTTON  ? 10 : 1);
8653
8654   switch (id)
8655   {
8656     case SCREEN_CTRL_ID_PREV_LEVEL:
8657       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
8658       break;
8659
8660     case SCREEN_CTRL_ID_NEXT_LEVEL:
8661       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
8662       break;
8663
8664     case SCREEN_CTRL_ID_PREV_PLAYER:
8665       HandleSetupScreen_Input_Player(step, -1);
8666       break;
8667
8668     case SCREEN_CTRL_ID_NEXT_PLAYER:
8669       HandleSetupScreen_Input_Player(step, +1);
8670       break;
8671
8672     case SCREEN_CTRL_ID_INSERT_SOLUTION:
8673       InsertSolutionTape();
8674       break;
8675
8676     case SCREEN_CTRL_ID_PLAY_SOLUTION:
8677       PlaySolutionTape();
8678       break;
8679
8680     case SCREEN_CTRL_ID_SCROLL_UP:
8681       if (game_status == GAME_MODE_LEVELS)
8682         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8683       else if (game_status == GAME_MODE_LEVELNR)
8684         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8685       else if (game_status == GAME_MODE_SETUP)
8686         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8687       else if (game_status == GAME_MODE_INFO)
8688         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
8689       break;
8690
8691     case SCREEN_CTRL_ID_SCROLL_DOWN:
8692       if (game_status == GAME_MODE_LEVELS)
8693         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8694       else if (game_status == GAME_MODE_LEVELNR)
8695         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8696       else if (game_status == GAME_MODE_SETUP)
8697         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8698       else if (game_status == GAME_MODE_INFO)
8699         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
8700       break;
8701
8702     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
8703       if (game_status == GAME_MODE_LEVELS)
8704         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8705       else if (game_status == GAME_MODE_LEVELNR)
8706         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
8707       else if (game_status == GAME_MODE_SETUP)
8708         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8709       else if (game_status == GAME_MODE_INFO)
8710         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
8711       break;
8712
8713     case SCREEN_CTRL_ID_NETWORK_SERVER:
8714     {
8715       if (!strEqual(gi->textinput.value, ""))
8716       {
8717         setString(&setup.network_server_hostname, gi->textinput.value);
8718
8719         network.server_host = setup.network_server_hostname;
8720       }
8721       else
8722       {
8723         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
8724
8725         network.server_host = NULL;
8726       }
8727
8728       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
8729         network.server_host = NULL;
8730
8731       execSetupGame_setNetworkServerText();
8732
8733       DrawSetupScreen();
8734
8735       break;
8736     }
8737
8738     default:
8739       break;
8740   }
8741 }
8742
8743 void DumpScreenIdentifiers(void)
8744 {
8745   int i;
8746
8747   Print("Active screen elements on current screen:\n");
8748
8749   for (i = 0; main_controls[i].nr != -1; i++)
8750   {
8751     struct MainControlInfo *mci = &main_controls[i];
8752
8753     if (mci->button_graphic != -1)
8754     {
8755       char *token = getTokenFromImageID(mci->button_graphic);
8756
8757       Print("- '%s'\n", token);
8758     }
8759   }
8760
8761   Print("Done.\n");
8762 }
8763
8764 boolean DoScreenAction(int image_id)
8765 {
8766   int i;
8767
8768   if (game_status != GAME_MODE_MAIN)
8769     return FALSE;
8770
8771   for (i = 0; main_controls[i].nr != -1; i++)
8772   {
8773     struct MainControlInfo *mci = &main_controls[i];
8774     struct MenuPosInfo *pos = mci->pos_button;
8775
8776     if (mci->button_graphic == image_id)
8777     {
8778       int x = mSX + pos->x;
8779       int y = mSY + pos->y;
8780
8781       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
8782
8783       return TRUE;
8784     }
8785   }
8786
8787   return FALSE;
8788 }