3f64b882b8f33f328c07a385b372a86f33502438
[rocksndiamonds.git] / src / screens.c
1 // ============================================================================
2 // Rocks'n'Diamonds - McDuffin Strikes Back!
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
5 //                  Holger Schemel
6 //                  info@artsoft.org
7 //                  https://www.artsoft.org/
8 // ----------------------------------------------------------------------------
9 // screens.c
10 // ============================================================================
11
12 #include "libgame/libgame.h"
13
14 #include "screens.h"
15 #include "events.h"
16 #include "game.h"
17 #include "tools.h"
18 #include "editor.h"
19 #include "files.h"
20 #include "tape.h"
21 #include "anim.h"
22 #include "network.h"
23 #include "init.h"
24 #include "config.h"
25
26
27 #define DEBUG_JOYSTICKS         0
28
29
30 // screens on the info screen
31 #define INFO_MODE_MAIN                  0
32 #define INFO_MODE_TITLE                 1
33 #define INFO_MODE_ELEMENTS              2
34 #define INFO_MODE_MUSIC                 3
35 #define INFO_MODE_CREDITS               4
36 #define INFO_MODE_PROGRAM               5
37 #define INFO_MODE_VERSION               6
38 #define INFO_MODE_LEVELSET              7
39
40 #define MAX_INFO_MODES                  8
41
42 // screens on the setup screen
43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
44 // (should also match corresponding entries in src/conf_gfx.c)
45 #define SETUP_MODE_MAIN                 0
46 #define SETUP_MODE_GAME                 1
47 #define SETUP_MODE_ENGINES              2
48 #define SETUP_MODE_EDITOR               3
49 #define SETUP_MODE_GRAPHICS             4
50 #define SETUP_MODE_SOUND                5
51 #define SETUP_MODE_ARTWORK              6
52 #define SETUP_MODE_INPUT                7
53 #define SETUP_MODE_TOUCH                8
54 #define SETUP_MODE_SHORTCUTS            9
55 #define SETUP_MODE_SHORTCUTS_1          10
56 #define SETUP_MODE_SHORTCUTS_2          11
57 #define SETUP_MODE_SHORTCUTS_3          12
58 #define SETUP_MODE_SHORTCUTS_4          13
59 #define SETUP_MODE_SHORTCUTS_5          14
60
61 // sub-screens on the setup screen (generic)
62 #define SETUP_MODE_CHOOSE_ARTWORK       15
63 #define SETUP_MODE_CHOOSE_OTHER         16
64
65 // sub-screens on the setup screen (specific)
66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
71 #define SETUP_MODE_CHOOSE_RENDERING     22
72 #define SETUP_MODE_CHOOSE_VSYNC         23
73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
74 #define SETUP_MODE_CHOOSE_SOUNDS        25
75 #define SETUP_MODE_CHOOSE_MUSIC         26
76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
88
89 #define MAX_SETUP_MODES                 39
90
91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
92
93 // setup screen titles
94 #define STR_SETUP_MAIN                  "Setup"
95 #define STR_SETUP_GAME                  "Game & Menu"
96 #define STR_SETUP_ENGINES               "Game Engines"
97 #define STR_SETUP_EDITOR                "Editor"
98 #define STR_SETUP_GRAPHICS              "Graphics"
99 #define STR_SETUP_SOUND                 "Sound & Music"
100 #define STR_SETUP_ARTWORK               "Custom Artwork"
101 #define STR_SETUP_INPUT                 "Input Devices"
102 #define STR_SETUP_TOUCH                 "Touch Controls"
103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
104 #define STR_SETUP_EXIT                  "Exit"
105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
106
107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
125
126 // other screen text constants
127 #define STR_CHOOSE_TREE_EDIT            "Edit"
128 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
129 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
130
131 // for input setup functions
132 #define SETUPINPUT_SCREEN_POS_START     0
133 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
134 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
135 #define SETUPINPUT_SCREEN_POS_END       13
136
137 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
138 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
139
140 #define MAX_SETUP_TEXT_INPUT_LEN        28
141
142 // for various menu stuff
143 #define MENU_SCREEN_START_XPOS          1
144 #define MENU_SCREEN_START_YPOS          2
145 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
146 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
147 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
148 #define MENU_TITLE1_YPOS                8
149 #define MENU_TITLE2_YPOS                46
150 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
151 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
152 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
153 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
154 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
155 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
156 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
157 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
158 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
159 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
160 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
161                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
162                                                          MENU_INFO_FONT_TITLE))
163 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
164 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
165 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
166                                          MENU_SCREEN_INFO_YSTART2 -     \
167                                          TILEY / 2)
168 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
169 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
170                                          MENU_SCREEN_INFO_YSTEP)
171 #define NUM_INFO_ELEMENTS_FROM_CONF     \
172   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
173    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
174    MAX_MENU_ENTRIES_ON_SCREEN)
175 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
176                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
177                                             NUM_INFO_ELEMENTS_FROM_CONF)
178 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
179 #define MAX_MENU_TEXT_LENGTH_BIG        13
180 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
181
182 // screen gadget identifiers
183 #define SCREEN_CTRL_ID_PREV_LEVEL       0
184 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
185 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
186 #define SCREEN_CTRL_ID_LAST_LEVEL       3
187 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
188 #define SCREEN_CTRL_ID_PREV_PLAYER      5
189 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
190 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
191 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
192 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
195 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
196 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
197 #define SCREEN_CTRL_ID_SCROLL_UP        14
198 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
199 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
200 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
201
202 #define NUM_SCREEN_GADGETS              18
203
204 #define NUM_SCREEN_MENUBUTTONS          14
205 #define NUM_SCREEN_SCROLLBUTTONS        2
206 #define NUM_SCREEN_SCROLLBARS           1
207 #define NUM_SCREEN_TEXTINPUT            1
208
209 #define SCREEN_MASK_MAIN                (1 << 0)
210 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
211 #define SCREEN_MASK_INPUT               (1 << 2)
212 #define SCREEN_MASK_TOUCH               (1 << 3)
213 #define SCREEN_MASK_TOUCH2              (1 << 4)
214
215 // graphic position and size values for buttons and scrollbars
216 #define SC_MENUBUTTON_XSIZE             TILEX
217 #define SC_MENUBUTTON_YSIZE             TILEY
218
219 #define SC_SCROLLBUTTON_XSIZE           TILEX
220 #define SC_SCROLLBUTTON_YSIZE           TILEY
221
222 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
223
224 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
225 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
226                                          SC_SCROLLBUTTON_YSIZE)
227
228 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
229 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
230
231 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
232 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
233                                          SC_SCROLLBUTTON_YSIZE)
234
235 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
236 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
237                                          SC_SCROLL_VERTICAL_YSIZE)
238
239 #define SC_BORDER_SIZE                  14
240
241
242 // forward declarations of internal functions
243 static void HandleScreenGadgets(struct GadgetInfo *);
244 static void HandleSetupScreen_Generic(int, int, int, int, int);
245 static void HandleSetupScreen_Input(int, int, int, int, int);
246 static void CustomizeKeyboard(int);
247 static void ConfigureJoystick(int);
248 static void ConfigureVirtualButtons(void);
249 static void execSetupGame(void);
250 static void execSetupEngines(void);
251 static void execSetupGraphics(void);
252 static void execSetupSound(void);
253 static void execSetupTouch(void);
254 static void execSetupArtwork(void);
255 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
256
257 static void DrawChoosePlayerName(void);
258 static void DrawChooseLevelSet(void);
259 static void DrawChooseLevelNr(void);
260 static void DrawInfoScreen(void);
261 static void DrawSetupScreen(void);
262 static void DrawTypeName(void);
263
264 static void DrawInfoScreen_NotAvailable(char *, char *);
265 static void DrawInfoScreen_HelpAnim(int, int, boolean);
266 static void DrawInfoScreen_HelpText(int, int, int, int);
267 static void HandleInfoScreen_Main(int, int, int, int, int);
268 static void HandleInfoScreen_TitleScreen(int);
269 static void HandleInfoScreen_Elements(int);
270 static void HandleInfoScreen_Music(int);
271 static void HandleInfoScreen_Credits(int);
272 static void HandleInfoScreen_Program(int);
273 static void HandleInfoScreen_Version(int);
274
275 static void ModifyGameSpeedIfNeeded(void);
276 static void DisableVsyncIfNeeded(void);
277
278 static void MapScreenMenuGadgets(int);
279 static void UnmapScreenMenuGadgets(int);
280 static void MapScreenGadgets(int);
281 static void MapScreenTreeGadgets(TreeInfo *);
282
283 static void UpdateScreenMenuGadgets(int, boolean);
284
285 static boolean OfferUploadTapes(void);
286 static void execOfferUploadTapes(void);
287
288 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
289
290 static int info_mode = INFO_MODE_MAIN;
291 static int setup_mode = SETUP_MODE_MAIN;
292
293 static TreeInfo *window_sizes = NULL;
294 static TreeInfo *window_size_current = NULL;
295
296 static TreeInfo *scaling_types = NULL;
297 static TreeInfo *scaling_type_current = NULL;
298
299 static TreeInfo *rendering_modes = NULL;
300 static TreeInfo *rendering_mode_current = NULL;
301
302 static TreeInfo *vsync_modes = NULL;
303 static TreeInfo *vsync_mode_current = NULL;
304
305 static TreeInfo *scroll_delays = NULL;
306 static TreeInfo *scroll_delay_current = NULL;
307
308 static TreeInfo *snapshot_modes = NULL;
309 static TreeInfo *snapshot_mode_current = NULL;
310
311 static TreeInfo *game_speeds_normal = NULL;
312 static TreeInfo *game_speeds_extended = NULL;
313 static TreeInfo *game_speeds = NULL;
314 static TreeInfo *game_speed_current = NULL;
315
316 static TreeInfo *volumes_simple = NULL;
317 static TreeInfo *volume_simple_current = NULL;
318
319 static TreeInfo *volumes_loops = NULL;
320 static TreeInfo *volume_loops_current = NULL;
321
322 static TreeInfo *volumes_music = NULL;
323 static TreeInfo *volume_music_current = NULL;
324
325 static TreeInfo *touch_controls = NULL;
326 static TreeInfo *touch_control_current = NULL;
327
328 static TreeInfo *move_distances = NULL;
329 static TreeInfo *move_distance_current = NULL;
330
331 static TreeInfo *drop_distances = NULL;
332 static TreeInfo *drop_distance_current = NULL;
333
334 static TreeInfo *transparencies = NULL;
335 static TreeInfo *transparency_current = NULL;
336
337 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
338 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
339
340 static TreeInfo *player_name = NULL;
341 static TreeInfo *player_name_current = NULL;
342
343 static TreeInfo *level_number = NULL;
344 static TreeInfo *level_number_current = NULL;
345
346 static struct ValueTextInfo window_sizes_list[] =
347 {
348   {     50,     "50 %"                          },
349   {     80,     "80 %"                          },
350   {     90,     "90 %"                          },
351   {     100,    "100 % (Default)"               },
352   {     110,    "110 %"                         },
353   {     120,    "120 %"                         },
354   {     130,    "130 %"                         },
355   {     140,    "140 %"                         },
356   {     150,    "150 %"                         },
357   {     200,    "200 %"                         },
358   {     250,    "250 %"                         },
359   {     300,    "300 %"                         },
360
361   {     -1,     NULL                            },
362 };
363
364 static struct StringValueTextInfo scaling_types_list[] =
365 {
366   {     SCALING_QUALITY_NEAREST, "Off"          },
367   {     SCALING_QUALITY_LINEAR,  "Linear"       },
368   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
369
370   {     NULL,                    NULL           },
371 };
372
373 static struct StringValueTextInfo rendering_modes_list[] =
374 {
375   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
376   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
377 #if DEBUG
378   // this mode may work under certain conditions, but does not work on Windows
379   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
380 #endif
381   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
382
383   {     NULL,                            NULL                            },
384 };
385
386 static struct StringValueTextInfo vsync_modes_list[] =
387 {
388   {     STR_VSYNC_MODE_OFF,             "Off"           },
389   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
390   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
391
392   {     NULL,                            NULL           },
393 };
394
395 static struct ValueTextInfo game_speeds_list_normal[] =
396 {
397   {     30,     "Very Slow"                     },
398   {     25,     "Slow"                          },
399   {     20,     "Normal"                        },
400   {     15,     "Fast"                          },
401   {     10,     "Very Fast"                     },
402
403   {     -1,     NULL                            },
404 };
405
406 static struct ValueTextInfo game_speeds_list_extended[] =
407 {
408   {     1000,   "1 fps (Extremely Slow)"        },
409   {     500,    "2 fps"                         },
410   {     200,    "5 fps"                         },
411   {     100,    "10 fps"                        },
412   {     50,     "20 fps"                        },
413   {     29,     "35 fps (Original Supaplex)"    },
414   {     25,     "40 fps"                        },
415   {     20,     "50 fps (=== Normal Speed ===)" },
416   {     16,     "60 fps (60 Hz VSync Speed)"    },
417   {     14,     "70 fps (Maximum Supaplex)"     },
418   {     10,     "100 fps"                       },
419   {     5,      "200 fps"                       },
420   {     2,      "500 fps"                       },
421   {     1,      "1000 fps (Extremely Fast)"     },
422
423   {     -1,     NULL                            },
424 };
425
426 static struct ValueTextInfo *game_speeds_list;
427
428 static struct ValueTextInfo scroll_delays_list[] =
429 {
430   {     0,      "0 Tiles (No Scroll Delay)"     },
431   {     1,      "1 Tile"                        },
432   {     2,      "2 Tiles"                       },
433   {     3,      "3 Tiles (Default)"             },
434   {     4,      "4 Tiles"                       },
435   {     5,      "5 Tiles"                       },
436   {     6,      "6 Tiles"                       },
437   {     7,      "7 Tiles"                       },
438   {     8,      "8 Tiles (Maximum Scroll Delay)"},
439
440   {     -1,     NULL                            },
441 };
442
443 static struct StringValueTextInfo snapshot_modes_list[] =
444 {
445   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
446   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
447   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
448   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
449
450   {     NULL,                                   NULL            },
451 };
452
453 static struct ValueTextInfo volumes_list[] =
454 {
455   {     0,      "0 %"                           },
456   {     1,      "1 %"                           },
457   {     2,      "2 %"                           },
458   {     5,      "5 %"                           },
459   {     10,     "10 %"                          },
460   {     20,     "20 %"                          },
461   {     30,     "30 %"                          },
462   {     40,     "40 %"                          },
463   {     50,     "50 %"                          },
464   {     60,     "60 %"                          },
465   {     70,     "70 %"                          },
466   {     80,     "80 %"                          },
467   {     90,     "90 %"                          },
468   {     100,    "100 %"                         },
469
470   {     -1,     NULL                            },
471 };
472
473 static struct StringValueTextInfo touch_controls_list[] =
474 {
475   {     TOUCH_CONTROL_OFF,              "Off"                   },
476   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
477   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
478   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
479
480   {     NULL,                           NULL                    },
481 };
482
483 static struct ValueTextInfo distances_list[] =
484 {
485   {     1,      "1 %"                           },
486   {     2,      "2 %"                           },
487   {     3,      "3 %"                           },
488   {     4,      "4 %"                           },
489   {     5,      "5 %"                           },
490   {     10,     "10 %"                          },
491   {     15,     "15 %"                          },
492   {     20,     "20 %"                          },
493   {     25,     "25 %"                          },
494
495   {     -1,     NULL                            },
496 };
497
498 static struct ValueTextInfo transparencies_list[] =
499 {
500   {     0,      "0 % (Opaque)"                  },
501   {     10,     "10 %"                          },
502   {     20,     "20 %"                          },
503   {     30,     "30 %"                          },
504   {     40,     "40 %"                          },
505   {     50,     "50 %"                          },
506   {     60,     "60 %"                          },
507   {     70,     "70 %"                          },
508   {     80,     "80 %"                          },
509   {     90,     "90 %"                          },
510   {     100,    "100 % (Invisible)"             },
511
512   {     -1,     NULL                            },
513 };
514
515 static struct ValueTextInfo grid_sizes_list[] =
516 {
517   {     3,      "3"                             },
518   {     4,      "4"                             },
519   {     5,      "5"                             },
520   {     6,      "6"                             },
521   {     7,      "7"                             },
522   {     8,      "8"                             },
523   {     9,      "9"                             },
524   {     10,     "10"                            },
525   {     11,     "11"                            },
526   {     12,     "12"                            },
527   {     13,     "13"                            },
528   {     14,     "14"                            },
529   {     15,     "15"                            },
530   {     16,     "16"                            },
531   {     17,     "17"                            },
532   {     18,     "18"                            },
533   {     19,     "19"                            },
534   {     20,     "20"                            },
535   {     21,     "21"                            },
536   {     22,     "22"                            },
537   {     23,     "23"                            },
538   {     24,     "24"                            },
539   {     25,     "25"                            },
540   {     26,     "26"                            },
541   {     27,     "27"                            },
542   {     28,     "28"                            },
543   {     29,     "29"                            },
544   {     30,     "30"                            },
545   {     31,     "31"                            },
546   {     32,     "32"                            },
547
548   {     -1,     NULL                            },
549 };
550
551 static int align_xoffset = 0;
552 static int align_yoffset = 0;
553
554 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
555                                  (s) <= GAME_MODE_SETUP ? (s) :         \
556                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
557                                  GAME_MODE_MAIN :                       \
558                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
559                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
560
561 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
562 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
563                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
564                                  INFO_MODE_MAIN)
565
566 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
567                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
568                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
569                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
570                                  SETUP_MODE_CHOOSE_ARTWORK :            \
571                                  SETUP_MODE_CHOOSE_OTHER)
572
573 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
574                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
575                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
576 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
577                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
578                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
579 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
580                                  menu.extra_spacing[GAME_MODE_INFO] :   \
581                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
582
583 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
584                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
585                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
586 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
587                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
588                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
589 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
590                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
591                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
592
593 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
594                                  DRAW_XOFFSET_INFO(info_mode) :         \
595                                  (s) == GAME_MODE_SETUP ?               \
596                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
597                                  menu.draw_xoffset[DRAW_MODE(s)])
598 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
599                                  DRAW_YOFFSET_INFO(info_mode) :         \
600                                  (s) == GAME_MODE_SETUP ?               \
601                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
602                                  menu.draw_yoffset[DRAW_MODE(s)])
603 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
604                                  EXTRA_SPACING_INFO(info_mode) :        \
605                                  (s) == GAME_MODE_SETUP ?               \
606                                  EXTRA_SPACING_SETUP(setup_mode) :      \
607                                  menu.extra_spacing[DRAW_MODE(s)])
608
609 #define mSX                     (SX + DRAW_XOFFSET(game_status))
610 #define mSY                     (SY + DRAW_YOFFSET(game_status))
611
612 #define amSX                    (mSX + align_xoffset)
613 #define amSY                    (mSY + align_yoffset)
614
615 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
616                                     menu.list_size[game_status] :       \
617                                     MAX_MENU_ENTRIES_ON_SCREEN)
618
619 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
620                                          NUM_MENU_ENTRIES_ON_SCREEN)
621
622
623 // title display and control definitions
624
625 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
626                                  2 * MAX_NUM_TITLE_MESSAGES)
627
628 #define NO_DIRECT_LEVEL_SELECT  (-1)
629
630
631 static int num_title_screens = 0;
632
633 struct TitleControlInfo
634 {
635   boolean is_image;
636   boolean initial;
637   boolean first;
638   int local_nr;
639   int sort_priority;
640 };
641
642 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
643
644 // main menu display and control definitions
645
646 #define MAIN_CONTROL_NAME                       0
647 #define MAIN_CONTROL_LEVELS                     1
648 #define MAIN_CONTROL_SCORES                     2
649 #define MAIN_CONTROL_EDITOR                     3
650 #define MAIN_CONTROL_INFO                       4
651 #define MAIN_CONTROL_GAME                       5
652 #define MAIN_CONTROL_SETUP                      6
653 #define MAIN_CONTROL_QUIT                       7
654 #define MAIN_CONTROL_PREV_LEVEL                 8
655 #define MAIN_CONTROL_NEXT_LEVEL                 9
656 #define MAIN_CONTROL_FIRST_LEVEL                10
657 #define MAIN_CONTROL_LAST_LEVEL                 11
658 #define MAIN_CONTROL_LEVEL_NUMBER               12
659 #define MAIN_CONTROL_LEVEL_INFO_1               13
660 #define MAIN_CONTROL_LEVEL_INFO_2               14
661 #define MAIN_CONTROL_LEVEL_NAME                 15
662 #define MAIN_CONTROL_LEVEL_AUTHOR               16
663 #define MAIN_CONTROL_LEVEL_YEAR                 17
664 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
665 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
666 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
667 #define MAIN_CONTROL_TITLE_1                    21
668 #define MAIN_CONTROL_TITLE_2                    22
669 #define MAIN_CONTROL_TITLE_3                    23
670
671 static char str_main_text_name[10];
672 static char str_main_text_first_level[10];
673 static char str_main_text_last_level[10];
674 static char str_main_text_level_number[10];
675
676 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
677
678 static char *main_text_name                     = str_main_text_name;
679 static char *main_text_first_level              = str_main_text_first_level;
680 static char *main_text_last_level               = str_main_text_last_level;
681 static char *main_text_level_number             = str_main_text_level_number;
682 static char *main_text_levels                   = "Levelset";
683 static char *main_text_scores                   = "Hall Of Fame";
684 static char *main_text_editor                   = "Level Creator";
685 static char *main_text_info                     = "Info Screen";
686 static char *main_text_game                     = "Start Game";
687 static char *main_text_setup                    = "Setup";
688 static char *main_text_quit                     = "Quit";
689 static char *main_text_level_name               = level.name;
690 static char *main_text_level_author             = level.author;
691 static char *main_text_level_year               = NULL;
692 static char *main_text_level_imported_from      = NULL;
693 static char *main_text_level_imported_by        = NULL;
694 static char *main_text_level_tested_by          = NULL;
695 static char *main_text_title_1                  = NULL;
696 static char *main_text_title_2                  = NULL;
697 static char *main_text_title_3                  = NULL;
698
699 extern char debug_xsn_mode[];
700
701 struct MainControlInfo
702 {
703   int nr;
704
705   struct MenuPosInfo *pos_button;
706   int button_graphic;
707
708   struct TextPosInfo *pos_text;
709   char **text;
710
711   struct TextPosInfo *pos_input;
712   char **input;
713 };
714
715 static struct MainControlInfo main_controls[] =
716 {
717   {
718     MAIN_CONTROL_NAME,
719     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
720     &menu.main.text.name,               &main_text_name,
721     &menu.main.input.name,              &setup.player_name,
722   },
723   {
724     MAIN_CONTROL_LEVELS,
725     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
726     &menu.main.text.levels,             &main_text_levels,
727     NULL,                               NULL,
728   },
729   {
730     MAIN_CONTROL_SCORES,
731     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
732     &menu.main.text.scores,             &main_text_scores,
733     NULL,                               NULL,
734   },
735   {
736     MAIN_CONTROL_EDITOR,
737     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
738     &menu.main.text.editor,             &main_text_editor,
739     NULL,                               NULL,
740   },
741   {
742     MAIN_CONTROL_INFO,
743     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
744     &menu.main.text.info,               &main_text_info,
745     NULL,                               NULL,
746   },
747   {
748     MAIN_CONTROL_GAME,
749     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
750     &menu.main.text.game,               &main_text_game,
751     NULL,                               NULL,
752   },
753   {
754     MAIN_CONTROL_SETUP,
755     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
756     &menu.main.text.setup,              &main_text_setup,
757     NULL,                               NULL,
758   },
759   {
760     MAIN_CONTROL_QUIT,
761     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
762     &menu.main.text.quit,               &main_text_quit,
763     NULL,                               NULL,
764   },
765   {
766     MAIN_CONTROL_PREV_LEVEL,
767     NULL,                               -1,
768     NULL,                               NULL,
769     NULL,                               NULL,
770   },
771   {
772     MAIN_CONTROL_NEXT_LEVEL,
773     NULL,                               -1,
774     NULL,                               NULL,
775     NULL,                               NULL,
776   },
777   {
778     MAIN_CONTROL_FIRST_LEVEL,
779     NULL,                               -1,
780     &menu.main.text.first_level,        &main_text_first_level,
781     NULL,                               NULL,
782   },
783   {
784     MAIN_CONTROL_LAST_LEVEL,
785     NULL,                               -1,
786     &menu.main.text.last_level,         &main_text_last_level,
787     NULL,                               NULL,
788   },
789   {
790     MAIN_CONTROL_LEVEL_NUMBER,
791     NULL,                               -1,
792     &menu.main.text.level_number,       &main_text_level_number,
793     NULL,                               NULL,
794   },
795   {
796     MAIN_CONTROL_LEVEL_INFO_1,
797     NULL,                               -1,
798     &menu.main.text.level_info_1,       NULL,
799     NULL,                               NULL,
800   },
801   {
802     MAIN_CONTROL_LEVEL_INFO_2,
803     NULL,                               -1,
804     &menu.main.text.level_info_2,       NULL,
805     NULL,                               NULL,
806   },
807   {
808     MAIN_CONTROL_LEVEL_NAME,
809     NULL,                               -1,
810     &menu.main.text.level_name,         &main_text_level_name,
811     NULL,                               NULL,
812   },
813   {
814     MAIN_CONTROL_LEVEL_AUTHOR,
815     NULL,                               -1,
816     &menu.main.text.level_author,       &main_text_level_author,
817     NULL,                               NULL,
818   },
819   {
820     MAIN_CONTROL_LEVEL_YEAR,
821     NULL,                               -1,
822     &menu.main.text.level_year,         &main_text_level_year,
823     NULL,                               NULL,
824   },
825   {
826     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
827     NULL,                               -1,
828     &menu.main.text.level_imported_from, &main_text_level_imported_from,
829     NULL,                               NULL,
830   },
831   {
832     MAIN_CONTROL_LEVEL_IMPORTED_BY,
833     NULL,                               -1,
834     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
835     NULL,                               NULL,
836   },
837   {
838     MAIN_CONTROL_LEVEL_TESTED_BY,
839     NULL,                               -1,
840     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
841     NULL,                               NULL,
842   },
843   {
844     MAIN_CONTROL_TITLE_1,
845     NULL,                               -1,
846     &menu.main.text.title_1,            &main_text_title_1,
847     NULL,                               NULL,
848   },
849   {
850     MAIN_CONTROL_TITLE_2,
851     NULL,                               -1,
852     &menu.main.text.title_2,            &main_text_title_2,
853     NULL,                               NULL,
854   },
855   {
856     MAIN_CONTROL_TITLE_3,
857     NULL,                               -1,
858     &menu.main.text.title_3,            &main_text_title_3,
859     NULL,                               NULL,
860   },
861
862   {
863     -1,
864     NULL,                               -1,
865     NULL,                               NULL,
866     NULL,                               NULL,
867   }
868 };
869
870
871 static int getTitleScreenGraphic(int nr, boolean initial)
872 {
873   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
874 }
875
876 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
877 {
878   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
879 }
880
881 #if 0
882 static int getTitleScreenGameMode(boolean initial)
883 {
884   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
885 }
886 #endif
887
888 static int getTitleMessageGameMode(boolean initial)
889 {
890   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
891 }
892
893 static int getTitleAnimMode(struct TitleControlInfo *tci)
894 {
895   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
896
897   return base + tci->local_nr;
898 }
899
900 #if 0
901 static int getTitleScreenBackground(boolean initial)
902 {
903   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
904 }
905 #endif
906
907 #if 0
908 static int getTitleMessageBackground(int nr, boolean initial)
909 {
910   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
911 }
912 #endif
913
914 static int getTitleBackground(int nr, boolean initial, boolean is_image)
915 {
916   int base = (is_image ?
917               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
918                          IMG_BACKGROUND_TITLESCREEN_1) :
919               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
920                          IMG_BACKGROUND_TITLEMESSAGE_1));
921   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
922                                   IMG_BACKGROUND_TITLE);
923   int graphic_local = base + nr;
924
925   if (graphic_info[graphic_local].bitmap != NULL)
926     return graphic_local;
927
928   if (graphic_info[graphic_global].bitmap != NULL)
929     return graphic_global;
930
931   return IMG_UNDEFINED;
932 }
933
934 static int getTitleSound(struct TitleControlInfo *tci)
935 {
936   boolean is_image = tci->is_image;
937   int initial = tci->initial;
938   int nr = tci->local_nr;
939   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
940   int base = (is_image ?
941               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
942                          SND_BACKGROUND_TITLESCREEN_1) :
943               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
944                          SND_BACKGROUND_TITLEMESSAGE_1));
945   int sound_global = menu.sound[mode];
946   int sound_local = base + nr;
947
948 #if 0
949   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
950         nr, initial, is_image,
951         sound_global, getSoundListEntry(sound_global)->filename,
952         sound_local, getSoundListEntry(sound_local)->filename);
953 #endif
954
955   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
956     return sound_local;
957
958   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
959     return sound_global;
960
961   return SND_UNDEFINED;
962 }
963
964 static int getTitleMusic(struct TitleControlInfo *tci)
965 {
966   boolean is_image = tci->is_image;
967   int initial = tci->initial;
968   int nr = tci->local_nr;
969   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
970   int base = (is_image ?
971               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
972                          MUS_BACKGROUND_TITLESCREEN_1) :
973               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
974                          MUS_BACKGROUND_TITLEMESSAGE_1));
975   int music_global = menu.music[mode];
976   int music_local = base + nr;
977
978 #if 0
979   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
980         nr, initial, is_image,
981         music_global, getMusicListEntry(music_global)->filename,
982         music_local, getMusicListEntry(music_local)->filename);
983 #endif
984
985   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
986     return music_local;
987
988   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
989     return music_global;
990
991   return MUS_UNDEFINED;
992 }
993
994 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
995 {
996   boolean is_image = tci->is_image;
997   boolean initial = tci->initial;
998   boolean first = tci->first;
999   int nr = tci->local_nr;
1000   struct TitleMessageInfo tmi;
1001   struct TitleFadingInfo ti;
1002
1003   tmi = (is_image ? (initial ? (first ?
1004                                 titlescreen_initial_first[nr] :
1005                                 titlescreen_initial[nr])
1006                              : (first ?
1007                                 titlescreen_first[nr] :
1008                                 titlescreen[nr]))
1009                   : (initial ? (first ?
1010                                 titlemessage_initial_first[nr] :
1011                                 titlemessage_initial[nr])
1012                              : (first ?
1013                                 titlemessage_first[nr] :
1014                                 titlemessage[nr])));
1015
1016   ti.fade_mode  = tmi.fade_mode;
1017   ti.fade_delay = tmi.fade_delay;
1018   ti.post_delay = tmi.post_delay;
1019   ti.auto_delay = tmi.auto_delay;
1020   ti.auto_delay_unit = tmi.auto_delay_unit;
1021
1022   return ti;
1023 }
1024
1025 static int compareTitleControlInfo(const void *object1, const void *object2)
1026 {
1027   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1028   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1029   int compare_result;
1030
1031   if (tci1->initial != tci2->initial)
1032     compare_result = (tci1->initial ? -1 : +1);
1033   else if (tci1->sort_priority != tci2->sort_priority)
1034     compare_result = tci1->sort_priority - tci2->sort_priority;
1035   else if (tci1->is_image != tci2->is_image)
1036     compare_result = (tci1->is_image ? -1 : +1);
1037   else
1038     compare_result = tci1->local_nr - tci2->local_nr;
1039
1040   return compare_result;
1041 }
1042
1043 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1044                                                     boolean initial,
1045                                                     int nr, int sort_priority)
1046 {
1047   title_controls[num_title_screens].is_image = is_image;
1048   title_controls[num_title_screens].initial = initial;
1049   title_controls[num_title_screens].local_nr = nr;
1050   title_controls[num_title_screens].sort_priority = sort_priority;
1051
1052   title_controls[num_title_screens].first = FALSE;      // will be set later
1053
1054   num_title_screens++;
1055 }
1056
1057 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1058 {
1059   int i;
1060
1061   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1062   {
1063     int graphic = getTitleScreenGraphic(i, initial);
1064     Bitmap *bitmap = graphic_info[graphic].bitmap;
1065     int sort_priority = graphic_info[graphic].sort_priority;
1066
1067     if (bitmap != NULL)
1068       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1069   }
1070
1071   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1072   {
1073     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1074     char *filename = getLevelSetTitleMessageFilename(i, initial);
1075     int sort_priority = tmi->sort_priority;
1076
1077     if (filename != NULL)
1078       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1079   }
1080 }
1081
1082 static void InitializeTitleControls(boolean show_title_initial)
1083 {
1084   num_title_screens = 0;
1085
1086   // 1st step: initialize title screens for game start (only when starting)
1087   if (show_title_initial)
1088     InitializeTitleControls_CheckTitleInfo(TRUE);
1089
1090   // 2nd step: initialize title screens for current level set
1091   InitializeTitleControls_CheckTitleInfo(FALSE);
1092
1093   // sort title screens according to sort_priority and title number
1094   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1095         compareTitleControlInfo);
1096
1097   // mark first title screen
1098   title_controls[0].first = TRUE;
1099 }
1100
1101 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1102 {
1103   return (pos != NULL && pos->x != -1 && pos->y != -1);
1104 }
1105
1106 static boolean visibleTextPos(struct TextPosInfo *pos)
1107 {
1108   return (pos != NULL && pos->x != -1 && pos->y != -1);
1109 }
1110
1111 static void InitializeMainControls(void)
1112 {
1113   boolean local_team_mode = (!network.enabled && setup.team_mode);
1114   int i;
1115
1116   // set main control text values to dynamically determined values
1117   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1118
1119   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1120                                          menu.main.text.first_level.size));
1121   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1122                                          menu.main.text.last_level.size));
1123   strcpy(main_text_level_number, int2str(level_nr,
1124                                          menu.main.text.level_number.size));
1125
1126   main_text_level_year          = leveldir_current->year;
1127   main_text_level_imported_from = leveldir_current->imported_from;
1128   main_text_level_imported_by   = leveldir_current->imported_by;
1129   main_text_level_tested_by     = leveldir_current->tested_by;
1130
1131   main_text_title_1 = getConfigProgramTitleString();
1132   main_text_title_2 = getConfigProgramCopyrightString();
1133   main_text_title_3 = getConfigProgramCompanyString();
1134
1135   // set main control screen positions to dynamically determined values
1136   for (i = 0; main_controls[i].nr != -1; i++)
1137   {
1138     struct MainControlInfo *mci = &main_controls[i];
1139     int nr                         = mci->nr;
1140     struct MenuPosInfo *pos_button = mci->pos_button;
1141     struct TextPosInfo *pos_text   = mci->pos_text;
1142     struct TextPosInfo *pos_input  = mci->pos_input;
1143     char *text                     = (mci->text  ? *mci->text  : NULL);
1144     char *input                    = (mci->input ? *mci->input : NULL);
1145     int button_graphic             = mci->button_graphic;
1146     int font_text                  = (pos_text  ? pos_text->font  : -1);
1147     int font_input                 = (pos_input ? pos_input->font : -1);
1148
1149     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1150     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1151     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1152     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1153     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1154     int input_chars = (input != NULL ? strlen(input) : 0);
1155
1156     int button_width =
1157       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1158     int button_height =
1159       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1160     int text_width   = font_text_width * text_chars;
1161     int text_height  = font_text_height;
1162     int input_width  = font_input_width * input_chars;
1163     int input_height = font_input_height;
1164
1165     if (nr == MAIN_CONTROL_NAME)
1166     {
1167       menu.main.input.name.width  = input_width;
1168       menu.main.input.name.height = input_height;
1169     }
1170
1171     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1172     {
1173       pos_button->width  = button_width;
1174       pos_button->height = button_height;
1175     }
1176
1177     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1178     {
1179       // calculate text size -- needed for text alignment
1180       boolean calculate_text_size = (text != NULL);
1181
1182       if (pos_text->width == -1 || calculate_text_size)
1183         pos_text->width = text_width;
1184       if (pos_text->height == -1 || calculate_text_size)
1185         pos_text->height = text_height;
1186
1187       if (visibleMenuPos(pos_button))
1188       {
1189         if (pos_text->x == -1)
1190           pos_text->x = pos_button->x + pos_button->width;
1191         if (pos_text->y == -1)
1192           pos_text->y =
1193             pos_button->y + (pos_button->height - pos_text->height) / 2;
1194       }
1195     }
1196
1197     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1198     {
1199       if (visibleTextPos(pos_text))
1200       {
1201         if (pos_input->x == -1)
1202           pos_input->x = pos_text->x + pos_text->width;
1203         if (pos_input->y == -1)
1204           pos_input->y = pos_text->y;
1205       }
1206
1207       if (pos_input->width == -1)
1208         pos_input->width = input_width;
1209       if (pos_input->height == -1)
1210         pos_input->height = input_height;
1211     }
1212   }
1213 }
1214
1215 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1216                                        int graphic, boolean pressed)
1217 {
1218   struct GraphicInfo *g = &graphic_info[graphic];
1219   Bitmap *src_bitmap;
1220   int src_x, src_y;
1221   int xoffset = (pressed ? g->pressed_xoffset : 0);
1222   int yoffset = (pressed ? g->pressed_yoffset : 0);
1223
1224   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1225
1226   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1227                    g->width, g->height, dst_x, dst_y);
1228 }
1229
1230 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1231                                        boolean active_input,
1232                                        boolean pressed_button)
1233 {
1234   int i;
1235
1236   for (i = 0; main_controls[i].nr != -1; i++)
1237   {
1238     struct MainControlInfo *mci = &main_controls[i];
1239
1240     if (mci->nr == nr || nr == -1)
1241     {
1242       struct MenuPosInfo *pos_button = mci->pos_button;
1243       struct TextPosInfo *pos_text   = mci->pos_text;
1244       struct TextPosInfo *pos_input  = mci->pos_input;
1245       char *text                     = (mci->text  ? *mci->text  : NULL);
1246       char *input                    = (mci->input ? *mci->input : NULL);
1247       int button_graphic             = mci->button_graphic;
1248       int font_text                  = (pos_text  ? pos_text->font  : -1);
1249       int font_input                 = (pos_input ? pos_input->font : -1);
1250
1251       if (active_text)
1252       {
1253         button_graphic = BUTTON_ACTIVE(button_graphic);
1254         font_text = FONT_ACTIVE(font_text);
1255       }
1256
1257       if (active_input)
1258       {
1259         font_input = FONT_ACTIVE(font_input);
1260       }
1261
1262       if (visibleMenuPos(pos_button))
1263       {
1264         struct MenuPosInfo *pos = pos_button;
1265         int x = mSX + pos->x;
1266         int y = mSY + pos->y;
1267
1268         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1269         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1270       }
1271
1272       if (visibleTextPos(pos_text) && text != NULL)
1273       {
1274         struct TextPosInfo *pos = pos_text;
1275         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1276         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1277
1278 #if 1
1279         // (check why/if this is needed)
1280         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1281 #endif
1282         DrawText(x, y, text, font_text);
1283       }
1284
1285       if (visibleTextPos(pos_input) && input != NULL)
1286       {
1287         struct TextPosInfo *pos = pos_input;
1288         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1289         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1290
1291 #if 1
1292         // (check why/if this is needed)
1293         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1294 #endif
1295         DrawText(x, y, input, font_input);
1296       }
1297     }
1298   }
1299 }
1300
1301 static void DrawCursorAndText_Main(int nr, boolean active_text,
1302                                    boolean pressed_button)
1303 {
1304   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1305 }
1306
1307 #if 0
1308 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1309                                          boolean pressed_button)
1310 {
1311   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1312 }
1313 #endif
1314
1315 static struct MainControlInfo *getMainControlInfo(int nr)
1316 {
1317   int i;
1318
1319   for (i = 0; main_controls[i].nr != -1; i++)
1320     if (main_controls[i].nr == nr)
1321       return &main_controls[i];
1322
1323   return NULL;
1324 }
1325
1326 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1327 {
1328   if (rect == NULL)
1329     return FALSE;
1330
1331   int rect_x = ALIGNED_TEXT_XPOS(rect);
1332   int rect_y = ALIGNED_TEXT_YPOS(rect);
1333
1334   return (x >= rect_x && x < rect_x + rect->width &&
1335           y >= rect_y && y < rect_y + rect->height);
1336 }
1337
1338 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1339 {
1340   if (rect == NULL)
1341     return FALSE;
1342
1343   int rect_x = ALIGNED_TEXT_XPOS(rect);
1344   int rect_y = ALIGNED_TEXT_YPOS(rect);
1345
1346 #if 0
1347   Debug("screens:insideTextPosRect",
1348         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
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 = amSX + TILEX * xpos;
1405   int y = amSY + 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 int getChooseTreeEditFont(boolean active)
1443 {
1444   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1445 }
1446
1447 static int getChooseTreeEditXPos(int pos)
1448 {
1449   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1450   int xoffset = (has_scrollbar ? -1 : 0);
1451   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1452   int sx = amSX + xpos * TILEX;
1453   int font_nr = getChooseTreeEditFont(FALSE);
1454   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1455
1456   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1457 }
1458
1459 static int getChooseTreeEditYPos(int ypos_raw)
1460 {
1461   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1462   int sy = amSY + ypos * TILEY;
1463
1464   return sy;
1465 }
1466
1467 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1468 {
1469   int sx = getChooseTreeEditXPos(POS_LEFT);
1470   int sy = getChooseTreeEditYPos(ypos_raw);
1471   int font_nr = getChooseTreeEditFont(active);
1472
1473   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1474 }
1475
1476 static void DrawHeadline(void)
1477 {
1478   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1479   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1480 }
1481
1482 static void DrawTitleScreenImage(int nr, boolean initial)
1483 {
1484   int graphic = getTitleScreenGraphic(nr, initial);
1485   Bitmap *bitmap = graphic_info[graphic].bitmap;
1486   int width  = graphic_info[graphic].width;
1487   int height = graphic_info[graphic].height;
1488   int src_x = graphic_info[graphic].src_x;
1489   int src_y = graphic_info[graphic].src_y;
1490   int dst_x, dst_y;
1491
1492   if (bitmap == NULL)
1493     return;
1494
1495   if (width > WIN_XSIZE)
1496   {
1497     // image width too large for window => center image horizontally
1498     src_x = (width - WIN_XSIZE) / 2;
1499     width = WIN_XSIZE;
1500   }
1501
1502   if (height > WIN_YSIZE)
1503   {
1504     // image height too large for window => center image vertically
1505     src_y = (height - WIN_YSIZE) / 2;
1506     height = WIN_YSIZE;
1507   }
1508
1509   // always display title screens centered
1510   dst_x = (WIN_XSIZE - width) / 2;
1511   dst_y = (WIN_YSIZE - height) / 2;
1512
1513   SetDrawBackgroundMask(REDRAW_ALL);
1514   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1515
1516   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1517
1518   if (DrawingOnBackground(dst_x, dst_y))
1519     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1520   else
1521     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1522
1523   redraw_mask = REDRAW_ALL;
1524 }
1525
1526 static void DrawTitleScreenMessage(int nr, boolean initial)
1527 {
1528   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1529   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1530
1531   if (filename == NULL)
1532     return;
1533
1534   // force TITLE font on title message screen
1535   SetFontStatus(getTitleMessageGameMode(initial));
1536
1537   // if chars *and* width set to "-1", automatically determine width
1538   if (tmi->chars == -1 && tmi->width == -1)
1539     tmi->width = viewport.window[game_status].width;
1540
1541   // if lines *and* height set to "-1", automatically determine height
1542   if (tmi->lines == -1 && tmi->height == -1)
1543     tmi->height = viewport.window[game_status].height;
1544
1545   // if chars set to "-1", automatically determine by text and font width
1546   if (tmi->chars == -1)
1547     tmi->chars = tmi->width / getFontWidth(tmi->font);
1548   else
1549     tmi->width = tmi->chars * getFontWidth(tmi->font);
1550
1551   // if lines set to "-1", automatically determine by text and font height
1552   if (tmi->lines == -1)
1553     tmi->lines = tmi->height / getFontHeight(tmi->font);
1554   else
1555     tmi->height = tmi->lines * getFontHeight(tmi->font);
1556
1557   // if x set to "-1", automatically determine by width and alignment
1558   if (tmi->x == -1)
1559     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1560
1561   // if y set to "-1", automatically determine by height and alignment
1562   if (tmi->y == -1)
1563     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1564
1565   SetDrawBackgroundMask(REDRAW_ALL);
1566   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1567
1568   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1569
1570   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1571                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1572                tmi->autowrap, tmi->centered, tmi->parse_comments);
1573
1574   ResetFontStatus();
1575 }
1576
1577 static void DrawTitleScreen(void)
1578 {
1579   KeyboardAutoRepeatOff();
1580
1581   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1582 }
1583
1584 static boolean CheckTitleScreen(boolean levelset_has_changed)
1585 {
1586   static boolean show_title_initial = TRUE;
1587   boolean show_titlescreen = FALSE;
1588
1589   // needed to be able to skip title screen, if no image or message defined
1590   InitializeTitleControls(show_title_initial);
1591
1592   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1593     show_titlescreen = TRUE;
1594
1595   // show initial title images and messages only once at program start
1596   show_title_initial = FALSE;
1597
1598   return (show_titlescreen && num_title_screens > 0);
1599 }
1600
1601 void DrawMainMenu(void)
1602 {
1603   static LevelDirTree *leveldir_last_valid = NULL;
1604   boolean levelset_has_changed = FALSE;
1605   int fade_mask = REDRAW_FIELD;
1606
1607   LimitScreenUpdates(FALSE);
1608
1609   FadeSetLeaveScreen();
1610
1611   // do not fade out here -- function may continue and fade on editor screen
1612
1613   UnmapAllGadgets();
1614   FadeMenuSoundsAndMusic();
1615
1616   ExpireSoundLoops(FALSE);
1617
1618   KeyboardAutoRepeatOn();
1619
1620   audio.sound_deactivated = FALSE;
1621
1622   GetPlayerConfig();
1623
1624   // needed if last screen was the playing screen, invoked from level editor
1625   if (level_editor_test_game)
1626   {
1627     CloseDoor(DOOR_CLOSE_ALL);
1628
1629     SetGameStatus(GAME_MODE_EDITOR);
1630
1631     DrawLevelEd();
1632
1633     return;
1634   }
1635
1636   // leveldir_current may be invalid (level group, parent link, node copy)
1637   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1638
1639   if (leveldir_current != leveldir_last_valid)
1640   {
1641     UpdateLastPlayedLevels_TreeInfo();
1642
1643     levelset_has_changed = TRUE;
1644   }
1645
1646   // store valid level series information
1647   leveldir_last_valid = leveldir_current;
1648
1649   init_last = init;                     // switch to new busy animation
1650
1651   // needed if last screen (level choice) changed graphics, sounds or music
1652   ReloadCustomArtwork(0);
1653
1654   if (CheckTitleScreen(levelset_has_changed))
1655   {
1656     SetGameStatus(GAME_MODE_TITLE);
1657
1658     DrawTitleScreen();
1659
1660     return;
1661   }
1662
1663   if (redraw_mask & REDRAW_ALL)
1664     fade_mask = REDRAW_ALL;
1665
1666   if (CheckFadeAll())
1667     fade_mask = REDRAW_ALL;
1668
1669   FadeOut(fade_mask);
1670
1671   // needed if different viewport properties defined for menues
1672   ChangeViewportPropertiesIfNeeded();
1673
1674   SetDrawtoField(DRAW_TO_BACKBUFFER);
1675
1676   // level_nr may have been set to value over handicap with level editor
1677   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1678     level_nr = leveldir_current->handicap_level;
1679
1680   LoadLevel(level_nr);
1681   LoadScore(level_nr);
1682
1683   SaveLevelSetup_SeriesInfo();
1684
1685   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1686   SetDrawDeactivationMask(REDRAW_NONE);
1687   SetDrawBackgroundMask(REDRAW_FIELD);
1688
1689   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1690
1691 #if 0
1692   if (fade_mask == REDRAW_ALL)
1693     RedrawGlobalBorder();
1694 #endif
1695
1696   ClearField();
1697
1698   InitializeMainControls();
1699
1700   DrawCursorAndText_Main(-1, FALSE, FALSE);
1701   DrawPreviewLevelInitial();
1702   DrawNetworkPlayers();
1703
1704   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1705
1706   TapeStop();
1707   if (TAPE_IS_EMPTY(tape))
1708     LoadTape(level_nr);
1709   DrawCompleteVideoDisplay();
1710
1711   PlayMenuSoundsAndMusic();
1712
1713   // create gadgets for main menu screen
1714   FreeScreenGadgets();
1715   CreateScreenGadgets();
1716
1717   // may be required if audio buttons shown on tape and changed in setup menu
1718   FreeGameButtons();
1719   CreateGameButtons();
1720
1721   // map gadgets for main menu screen
1722   MapTapeButtons();
1723   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1724   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1725
1726   // copy actual game door content to door double buffer for OpenDoor()
1727   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1728   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1729
1730   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1731
1732   DrawMaskedBorder(fade_mask);
1733
1734   FadeIn(fade_mask);
1735   FadeSetEnterMenu();
1736
1737   // update screen area with special editor door
1738   redraw_mask |= REDRAW_ALL;
1739   BackToFront();
1740
1741   SetMouseCursor(CURSOR_DEFAULT);
1742
1743   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1744
1745   SyncEmscriptenFilesystem();
1746 }
1747
1748 static void gotoTopLevelDir(void)
1749 {
1750   // move upwards until inside (but not above) top level directory
1751   while (leveldir_current->node_parent &&
1752          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1753   {
1754     // write a "path" into level tree for easy navigation to last level
1755     if (leveldir_current->node_parent->node_group->cl_first == -1)
1756     {
1757       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1758       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1759       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1760       int cl_first, cl_cursor;
1761
1762       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1763       cl_cursor = leveldir_pos - cl_first;
1764
1765       leveldir_current->node_parent->node_group->cl_first = cl_first;
1766       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1767     }
1768
1769     leveldir_current = leveldir_current->node_parent;
1770   }
1771 }
1772
1773 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1774 {
1775   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1776
1777   return (use_frame_counter ? video.frame_counter : Counter());
1778 }
1779
1780 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1781                                      struct TitleFadingInfo *fi)
1782 {
1783   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1784 }
1785
1786 static void ResetTitleAutoDelay(unsigned int *counter_var,
1787                                 struct TitleFadingInfo *fi)
1788 {
1789   *counter_var = getAutoDelayCounter(fi);
1790 }
1791
1792 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1793 {
1794   static unsigned int title_delay = 0;
1795   static int title_screen_nr = 0;
1796   static int last_sound = -1, last_music = -1;
1797   boolean return_to_main_menu = FALSE;
1798   struct TitleControlInfo *tci;
1799   int sound, music;
1800
1801   if (button == MB_MENU_INITIALIZE)
1802   {
1803     title_delay = 0;
1804     title_screen_nr = 0;
1805     tci = &title_controls[title_screen_nr];
1806
1807     SetAnimStatus(getTitleAnimMode(tci));
1808
1809     last_sound = SND_UNDEFINED;
1810     last_music = MUS_UNDEFINED;
1811
1812     if (num_title_screens != 0)
1813     {
1814       FadeSetEnterScreen();
1815
1816       // use individual title fading instead of global "enter screen" fading
1817       fading = getTitleFading(tci);
1818     }
1819
1820     if (game_status_last_screen == GAME_MODE_INFO)
1821     {
1822       if (num_title_screens == 0)
1823       {
1824         // switch game mode from title screen mode back to info screen mode
1825         SetGameStatus(GAME_MODE_INFO);
1826
1827         // store that last screen was info screen, not main menu screen
1828         game_status_last_screen = GAME_MODE_INFO;
1829
1830         DrawInfoScreen_NotAvailable("Title screen information:",
1831                                     "No title screen for this level set.");
1832         return;
1833       }
1834     }
1835
1836     FadeMenuSoundsAndMusic();
1837
1838     FadeOut(REDRAW_ALL);
1839
1840     // title screens may have different window size
1841     ChangeViewportPropertiesIfNeeded();
1842
1843     // only required to update logic for redrawing global border
1844     ClearField();
1845
1846     if (tci->is_image)
1847       DrawTitleScreenImage(tci->local_nr, tci->initial);
1848     else
1849       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1850
1851     sound = getTitleSound(tci);
1852     music = getTitleMusic(tci);
1853
1854     if (sound != last_sound)
1855       PlayMenuSoundExt(sound);
1856     if (music != last_music)
1857       PlayMenuMusicExt(music);
1858
1859     last_sound = sound;
1860     last_music = music;
1861
1862     SetMouseCursor(CURSOR_NONE);
1863
1864     FadeIn(REDRAW_ALL);
1865
1866     ResetTitleAutoDelay(&title_delay, &fading);
1867
1868     return;
1869   }
1870
1871   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1872     button = MB_MENU_CHOICE;
1873
1874   if (button == MB_MENU_LEAVE)
1875   {
1876     return_to_main_menu = TRUE;
1877   }
1878   else if (button == MB_MENU_CHOICE)
1879   {
1880     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1881     {
1882       SetGameStatus(GAME_MODE_INFO);
1883
1884       info_mode = INFO_MODE_MAIN;
1885
1886       DrawInfoScreen();
1887
1888       return;
1889     }
1890
1891     title_screen_nr++;
1892
1893     if (title_screen_nr < num_title_screens)
1894     {
1895       tci = &title_controls[title_screen_nr];
1896
1897       SetAnimStatus(getTitleAnimMode(tci));
1898
1899       sound = getTitleSound(tci);
1900       music = getTitleMusic(tci);
1901
1902       if (last_sound != SND_UNDEFINED && sound != last_sound)
1903         FadeSound(last_sound);
1904       if (last_music != MUS_UNDEFINED && music != last_music)
1905         FadeMusic();
1906
1907       fading = getTitleFading(tci);
1908
1909       FadeOut(REDRAW_ALL);
1910
1911       if (tci->is_image)
1912         DrawTitleScreenImage(tci->local_nr, tci->initial);
1913       else
1914         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1915
1916       sound = getTitleSound(tci);
1917       music = getTitleMusic(tci);
1918
1919       if (sound != last_sound)
1920         PlayMenuSoundExt(sound);
1921       if (music != last_music)
1922         PlayMenuMusicExt(music);
1923
1924       last_sound = sound;
1925       last_music = music;
1926
1927       FadeIn(REDRAW_ALL);
1928
1929       ResetTitleAutoDelay(&title_delay, &fading);
1930     }
1931     else
1932     {
1933       FadeMenuSoundsAndMusic();
1934
1935       return_to_main_menu = TRUE;
1936     }
1937   }
1938
1939   if (return_to_main_menu)
1940   {
1941     SetMouseCursor(CURSOR_DEFAULT);
1942
1943     // force full menu screen redraw after displaying title screens
1944     redraw_mask = REDRAW_ALL;
1945
1946     if (game_status_last_screen == GAME_MODE_INFO)
1947     {
1948       SetGameStatus(GAME_MODE_INFO);
1949
1950       info_mode = INFO_MODE_MAIN;
1951
1952       DrawInfoScreen();
1953     }
1954     else        // default: return to main menu
1955     {
1956       SetGameStatus(GAME_MODE_MAIN);
1957
1958       DrawMainMenu();
1959     }
1960   }
1961 }
1962
1963 static void HandleMainMenu_ToggleTeamMode(void)
1964 {
1965   setup.team_mode = !setup.team_mode;
1966
1967   InitializeMainControls();
1968   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
1969
1970   DrawPreviewPlayers();
1971 }
1972
1973 static void HandleMainMenu_SelectLevel(int step, int direction,
1974                                        int selected_level_nr)
1975 {
1976   int old_level_nr = level_nr;
1977   int new_level_nr;
1978
1979   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1980     new_level_nr = selected_level_nr;
1981   else
1982     new_level_nr = old_level_nr + step * direction;
1983
1984   if (new_level_nr < leveldir_current->first_level)
1985     new_level_nr = leveldir_current->first_level;
1986   if (new_level_nr > leveldir_current->last_level)
1987     new_level_nr = leveldir_current->last_level;
1988
1989   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1990   {
1991     // skipping levels is only allowed when trying to skip single level
1992     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1993         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1994     {
1995       leveldir_current->handicap_level++;
1996       SaveLevelSetup_SeriesInfo();
1997     }
1998
1999     new_level_nr = leveldir_current->handicap_level;
2000   }
2001
2002   if (new_level_nr != old_level_nr)
2003   {
2004     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2005
2006     PlaySound(SND_MENU_ITEM_SELECTING);
2007
2008     level_nr = new_level_nr;
2009
2010     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2011              int2str(level_nr, menu.main.text.level_number.size),
2012              mci->pos_text->font);
2013
2014     LoadLevel(level_nr);
2015     DrawPreviewLevelInitial();
2016
2017     TapeErase();
2018     LoadTape(level_nr);
2019     DrawCompleteVideoDisplay();
2020
2021     SaveLevelSetup_SeriesInfo();
2022
2023     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2024
2025     // force redraw of playfield area (may be reset at this point)
2026     redraw_mask |= REDRAW_FIELD;
2027   }
2028 }
2029
2030 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2031 {
2032   static int choice = MAIN_CONTROL_GAME;
2033   static boolean button_pressed_last = FALSE;
2034   boolean button_pressed = FALSE;
2035   int pos = choice;
2036   int i = 0;    // needed to prevent compiler warning due to bad code below
2037
2038   if (button == MB_MENU_INITIALIZE)
2039   {
2040     DrawCursorAndText_Main(choice, TRUE, FALSE);
2041
2042     return;
2043   }
2044
2045   if (mx || my)         // mouse input
2046   {
2047     pos = -1;
2048
2049     for (i = 0; main_controls[i].nr != -1; i++)
2050     {
2051       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2052           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2053           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2054       {
2055         pos = main_controls[i].nr;
2056
2057         break;
2058       }
2059     }
2060
2061     // check if level preview was clicked
2062     if (insidePreviewRect(&preview, mx - SX, my - SY))
2063       pos = MAIN_CONTROL_GAME;
2064
2065     // handle pressed/unpressed state for active/inactive menu buttons
2066     // (if pos != -1, "i" contains index position corresponding to "pos")
2067     if (button &&
2068         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2069         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2070       button_pressed = TRUE;
2071
2072     if (button_pressed != button_pressed_last)
2073     {
2074       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2075
2076       if (button_pressed)
2077         PlaySound(SND_MENU_BUTTON_PRESSING);
2078       else
2079         PlaySound(SND_MENU_BUTTON_RELEASING);
2080     }
2081   }
2082   else if (dx || dy)    // keyboard input
2083   {
2084     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2085                    choice == MAIN_CONTROL_SETUP))
2086       button = MB_MENU_CHOICE;
2087     else if (dy)
2088       pos = choice + dy;
2089   }
2090
2091   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2092   {
2093     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2094   }
2095   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2096   {
2097     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2098   }
2099   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2100   {
2101     CloseDoor(DOOR_CLOSE_2);
2102
2103     SetGameStatus(GAME_MODE_LEVELNR);
2104
2105     DrawChooseLevelNr();
2106   }
2107   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2108   {
2109     if (button)
2110     {
2111       if (pos != choice)
2112       {
2113         PlaySound(SND_MENU_ITEM_ACTIVATING);
2114
2115         DrawCursorAndText_Main(choice, FALSE, FALSE);
2116         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2117
2118         choice = pos;
2119       }
2120       else if (dx != 0)
2121       {
2122         if (choice == MAIN_CONTROL_NAME)
2123         {
2124           // special case: cursor left or right pressed -- toggle team mode
2125           HandleMainMenu_ToggleTeamMode();
2126         }
2127         else if (choice != MAIN_CONTROL_INFO &&
2128                  choice != MAIN_CONTROL_SETUP)
2129         {
2130           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2131         }
2132       }
2133     }
2134     else
2135     {
2136       PlaySound(SND_MENU_ITEM_SELECTING);
2137
2138       if (pos == MAIN_CONTROL_NAME)
2139       {
2140         if ((mx || my) &&
2141             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2142         {
2143           // special case: menu text "name/team" clicked -- toggle team mode
2144           HandleMainMenu_ToggleTeamMode();
2145         }
2146         else
2147         {
2148           if (setup.multiple_users)
2149           {
2150             CloseDoor(DOOR_CLOSE_2);
2151
2152             SetGameStatus(GAME_MODE_NAMES);
2153
2154             DrawChoosePlayerName();
2155           }
2156           else
2157           {
2158             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2159
2160             DrawTypeName();
2161           }
2162         }
2163       }
2164       else if (pos == MAIN_CONTROL_LEVELS)
2165       {
2166         if (leveldir_first)
2167         {
2168           CloseDoor(DOOR_CLOSE_2);
2169
2170           SetGameStatus(GAME_MODE_LEVELS);
2171
2172           SaveLevelSetup_LastSeries();
2173           SaveLevelSetup_SeriesInfo();
2174
2175           // restore level set if chosen from "last played level set" menu
2176           RestoreLastPlayedLevels(&leveldir_current);
2177
2178           if (setup.internal.choose_from_top_leveldir)
2179             gotoTopLevelDir();
2180
2181           DrawChooseLevelSet();
2182         }
2183       }
2184       else if (pos == MAIN_CONTROL_SCORES)
2185       {
2186         CloseDoor(DOOR_CLOSE_2);
2187
2188         SetGameStatus(GAME_MODE_SCORES);
2189
2190         DrawHallOfFame(level_nr);
2191       }
2192       else if (pos == MAIN_CONTROL_EDITOR)
2193       {
2194         if (leveldir_current->readonly &&
2195             setup.editor.show_read_only_warning)
2196           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2197
2198         CloseDoor(DOOR_CLOSE_ALL);
2199
2200         SetGameStatus(GAME_MODE_EDITOR);
2201
2202         FadeSetEnterScreen();
2203
2204         DrawLevelEd();
2205       }
2206       else if (pos == MAIN_CONTROL_INFO)
2207       {
2208         CloseDoor(DOOR_CLOSE_2);
2209
2210         SetGameStatus(GAME_MODE_INFO);
2211
2212         info_mode = INFO_MODE_MAIN;
2213
2214         DrawInfoScreen();
2215       }
2216       else if (pos == MAIN_CONTROL_GAME)
2217       {
2218         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2219       }
2220       else if (pos == MAIN_CONTROL_SETUP)
2221       {
2222         CloseDoor(DOOR_CLOSE_2);
2223
2224         SetGameStatus(GAME_MODE_SETUP);
2225
2226         setup_mode = SETUP_MODE_MAIN;
2227
2228         DrawSetupScreen();
2229       }
2230       else if (pos == MAIN_CONTROL_QUIT)
2231       {
2232         SaveLevelSetup_LastSeries();
2233         SaveLevelSetup_SeriesInfo();
2234
2235         if (!setup.ask_on_quit_program ||
2236             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2237           SetGameStatus(GAME_MODE_QUIT);
2238       }
2239     }
2240   }
2241
2242   button_pressed_last = button_pressed;
2243 }
2244
2245
2246 // ============================================================================
2247 // info screen functions
2248 // ============================================================================
2249
2250 static struct TokenInfo *info_info;
2251 static int num_info_info;       // number of info entries shown on screen
2252 static int max_info_info;       // total number of info entries in list
2253
2254 static void execInfoTitleScreen(void)
2255 {
2256   info_mode = INFO_MODE_TITLE;
2257
2258   DrawInfoScreen();
2259 }
2260
2261 static void execInfoElements(void)
2262 {
2263   info_mode = INFO_MODE_ELEMENTS;
2264
2265   DrawInfoScreen();
2266 }
2267
2268 static void execInfoMusic(void)
2269 {
2270   info_mode = INFO_MODE_MUSIC;
2271
2272   DrawInfoScreen();
2273 }
2274
2275 static void execInfoCredits(void)
2276 {
2277   info_mode = INFO_MODE_CREDITS;
2278
2279   DrawInfoScreen();
2280 }
2281
2282 static void execInfoProgram(void)
2283 {
2284   info_mode = INFO_MODE_PROGRAM;
2285
2286   DrawInfoScreen();
2287 }
2288
2289 static void execInfoVersion(void)
2290 {
2291   info_mode = INFO_MODE_VERSION;
2292
2293   DrawInfoScreen();
2294 }
2295
2296 static void execInfoLevelSet(void)
2297 {
2298   info_mode = INFO_MODE_LEVELSET;
2299
2300   DrawInfoScreen();
2301 }
2302
2303 static void execExitInfo(void)
2304 {
2305   SetGameStatus(GAME_MODE_MAIN);
2306
2307   DrawMainMenu();
2308 }
2309
2310 static struct TokenInfo info_info_main[] =
2311 {
2312   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2313   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2314   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2315   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2316   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2317   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2318   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2319   { TYPE_EMPTY,         NULL,                   ""                      },
2320   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2321
2322   { 0,                  NULL,                   NULL                    }
2323 };
2324
2325 static int getMenuTextFont(int type)
2326 {
2327   if (type & (TYPE_SWITCH       |
2328               TYPE_YES_NO       |
2329               TYPE_YES_NO_AUTO  |
2330               TYPE_STRING       |
2331               TYPE_PLAYER       |
2332               TYPE_ECS_AGA      |
2333               TYPE_KEYTEXT      |
2334               TYPE_ENTER_LIST   |
2335               TYPE_TEXT_INPUT))
2336     return FONT_MENU_2;
2337   else
2338     return FONT_MENU_1;
2339 }
2340
2341 static struct TokenInfo *setup_info;
2342 static struct TokenInfo setup_info_input[];
2343
2344 static struct TokenInfo *menu_info;
2345
2346 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2347                                        int screen_pos, int menu_info_pos_raw,
2348                                        boolean active)
2349 {
2350   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2351   struct TokenInfo *ti = &token_info[pos];
2352   int xpos = MENU_SCREEN_START_XPOS;
2353   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2354   int font_nr = getMenuTextFont(ti->type);
2355
2356   if (setup_mode == SETUP_MODE_INPUT)
2357     font_nr = FONT_MENU_1;
2358
2359   if (active)
2360     font_nr = FONT_ACTIVE(font_nr);
2361
2362   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2363
2364   if (ti->type & ~TYPE_SKIP_ENTRY)
2365     drawCursor(screen_pos, active);
2366 }
2367
2368 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2369                                    boolean active)
2370 {
2371   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2372 }
2373
2374 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2375                                     boolean active)
2376 {
2377   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2378 }
2379
2380 static char *window_size_text;
2381 static char *scaling_type_text;
2382 static char *network_server_text;
2383
2384 static void drawSetupValue(int, int);
2385
2386 static void drawMenuInfoList(int first_entry, int num_page_entries,
2387                              int max_page_entries)
2388 {
2389   int i;
2390
2391   if (first_entry + num_page_entries > max_page_entries)
2392     first_entry = 0;
2393
2394   clearMenuListArea();
2395
2396   for (i = 0; i < num_page_entries; i++)
2397   {
2398     int menu_info_pos = first_entry + i;
2399     struct TokenInfo *si = &menu_info[menu_info_pos];
2400     void *value_ptr = si->value;
2401
2402     // set some entries to "unchangeable" according to other variables
2403     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2404         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2405         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2406         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2407         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2408         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2409       si->type |= TYPE_GHOSTED;
2410
2411     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2412       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2413     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2414       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2415     else if (si->type & ~TYPE_SKIP_ENTRY)
2416       initCursor(i, IMG_MENU_BUTTON);
2417
2418     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2419
2420     if (si->type & TYPE_STRING)
2421     {
2422       int gadget_id = -1;
2423
2424       if (value_ptr == &network_server_text)
2425         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2426
2427       if (gadget_id != -1)
2428       {
2429         struct GadgetInfo *gi = screen_gadget[gadget_id];
2430         int xpos = MENU_SCREEN_START_XPOS;
2431         int ypos = MENU_SCREEN_START_YPOS + i;
2432         int x = mSX + xpos * 32;
2433         int y = mSY + ypos * 32;
2434
2435         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2436       }
2437     }
2438
2439     if (si->type & TYPE_VALUE &&
2440         menu_info == setup_info)
2441       drawSetupValue(i, menu_info_pos);
2442   }
2443 }
2444
2445 static void DrawInfoScreen_Main(void)
2446 {
2447   int fade_mask = REDRAW_FIELD;
2448   int i;
2449
2450   if (redraw_mask & REDRAW_ALL)
2451     fade_mask = REDRAW_ALL;
2452
2453   if (CheckFadeAll())
2454     fade_mask = REDRAW_ALL;
2455
2456   UnmapAllGadgets();
2457   FadeMenuSoundsAndMusic();
2458
2459   FreeScreenGadgets();
2460   CreateScreenGadgets();
2461
2462   // (needed after displaying title screens which disable auto repeat)
2463   KeyboardAutoRepeatOn();
2464
2465   FadeSetLeaveScreen();
2466
2467   FadeOut(fade_mask);
2468
2469   // needed if different viewport properties defined for info screen
2470   ChangeViewportPropertiesIfNeeded();
2471
2472   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2473
2474   ClearField();
2475
2476   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2477
2478   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2479
2480   info_info = info_info_main;
2481
2482   // determine maximal number of info entries that can be displayed on screen
2483   num_info_info = 0;
2484   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2485     num_info_info++;
2486
2487   // determine maximal number of info entries available for menu of info screen
2488   max_info_info = 0;
2489   for (i = 0; info_info[i].type != 0; i++)
2490     max_info_info++;
2491
2492   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2493
2494   MapScreenGadgets(max_info_info);
2495
2496   PlayMenuSoundsAndMusic();
2497
2498   DrawMaskedBorder(fade_mask);
2499
2500   FadeIn(fade_mask);
2501 }
2502
2503 static void changeSetupValue(int, int, int);
2504
2505 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2506                              int mode, int num_page_entries,
2507                              int max_page_entries)
2508 {
2509   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2510   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2511   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2512   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2513   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2514   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2515   int *num_page_entries_last = num_page_entries_all_last[game_status];
2516   int *choice_store = choice_stores[game_status];
2517   int *first_entry_store = first_entry_stores[game_status];
2518   int choice = choice_store[mode];              // starts with 0
2519   int first_entry = first_entry_store[mode];    // starts with 0
2520   int x = 0;
2521   int y = choice - first_entry;
2522   int y_old = y;
2523   boolean position_set_by_scrollbar = (dx == 999);
2524   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2525   int i;
2526
2527   if (button == MB_MENU_INITIALIZE)
2528   {
2529     // check if number of menu page entries has changed (may happen by change
2530     // of custom artwork definition value for 'list_size' for this menu screen)
2531     // (in this case, the last menu position most probably has to be corrected)
2532     if (num_page_entries != num_page_entries_last[mode])
2533     {
2534       choice_store[mode] = first_entry_store[mode] = 0;
2535
2536       choice = first_entry = 0;
2537       y = y_old = 0;
2538
2539       num_page_entries_last[mode] = num_page_entries;
2540     }
2541
2542     // advance to first valid menu entry
2543     while (choice < num_page_entries &&
2544            menu_info[choice].type & TYPE_SKIP_ENTRY)
2545       choice++;
2546
2547     if (position_set_by_scrollbar)
2548       first_entry = first_entry_store[mode] = dy;
2549     else
2550       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2551                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2552
2553     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2554
2555     if (choice < first_entry)
2556     {
2557       choice = first_entry;
2558
2559       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2560         choice++;
2561     }
2562     else if (choice > first_entry + num_page_entries - 1)
2563     {
2564       choice = first_entry + num_page_entries - 1;
2565
2566       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2567         choice--;
2568     }
2569
2570     choice_store[mode] = choice;
2571
2572     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2573
2574     return;
2575   }
2576   else if (button == MB_MENU_LEAVE)
2577   {
2578     PlaySound(SND_MENU_ITEM_SELECTING);
2579
2580     for (i = 0; i < max_page_entries; i++)
2581     {
2582       if (menu_info[i].type & TYPE_LEAVE_MENU)
2583       {
2584         void (*menu_callback_function)(void) = menu_info[i].value;
2585
2586         FadeSetLeaveMenu();
2587
2588         menu_callback_function();
2589
2590         break;  // absolutely needed because function changes 'menu_info'!
2591       }
2592     }
2593
2594     return;
2595   }
2596
2597   if (mx || my)         // mouse input
2598   {
2599     x = (mx - mSX) / 32;
2600     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2601   }
2602   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2603   {
2604     // move cursor instead of scrolling when already at start/end of list
2605     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2606       dy = -1;
2607     else if (dy == +1 * SCROLL_LINE &&
2608              first_entry + num_page_entries == max_page_entries)
2609       dy = 1;
2610
2611     // handle scrolling screen one line or page
2612     if (y + dy < 0 ||
2613         y + dy > num_page_entries - 1)
2614     {
2615       boolean redraw = FALSE;
2616
2617       if (ABS(dy) == SCROLL_PAGE)
2618         step = num_page_entries - 1;
2619
2620       if (dy < 0 && first_entry > 0)
2621       {
2622         // scroll page/line up
2623
2624         first_entry -= step;
2625         if (first_entry < 0)
2626           first_entry = 0;
2627
2628         redraw = TRUE;
2629       }
2630       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2631       {
2632         // scroll page/line down
2633
2634         first_entry += step;
2635         if (first_entry + num_page_entries > max_page_entries)
2636           first_entry = MAX(0, max_page_entries - num_page_entries);
2637
2638         redraw = TRUE;
2639       }
2640
2641       if (redraw)
2642       {
2643         choice += first_entry - first_entry_store[mode];
2644
2645         if (choice < first_entry)
2646         {
2647           choice = first_entry;
2648
2649           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2650             choice++;
2651         }
2652         else if (choice > first_entry + num_page_entries - 1)
2653         {
2654           choice = first_entry + num_page_entries - 1;
2655
2656           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2657             choice--;
2658         }
2659         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2660         {
2661           choice += SIGN(dy);
2662
2663           if (choice < first_entry ||
2664               choice > first_entry + num_page_entries - 1)
2665           first_entry += SIGN(dy);
2666         }
2667
2668         first_entry_store[mode] = first_entry;
2669         choice_store[mode] = choice;
2670
2671         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2672
2673         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2674
2675         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2676                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2677       }
2678
2679       return;
2680     }
2681
2682     if (dx)
2683     {
2684       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2685
2686       if (menu_info[choice].type & menu_navigation_type ||
2687           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2688           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2689           menu_info[choice].type & TYPE_PLAYER)
2690         button = MB_MENU_CHOICE;
2691     }
2692     else if (dy)
2693       y += dy;
2694
2695     // jump to next non-empty menu entry (up or down)
2696     while (first_entry + y > 0 &&
2697            first_entry + y < max_page_entries - 1 &&
2698            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2699       y += dy;
2700
2701     if (!IN_VIS_MENU(x, y))
2702     {
2703       choice += y - y_old;
2704
2705       if (choice < first_entry)
2706         first_entry = choice;
2707       else if (choice > first_entry + num_page_entries - 1)
2708         first_entry = choice - num_page_entries + 1;
2709
2710       if (first_entry >= 0 &&
2711           first_entry + num_page_entries <= max_page_entries)
2712       {
2713         first_entry_store[mode] = first_entry;
2714
2715         if (choice < first_entry)
2716           choice = first_entry;
2717         else if (choice > first_entry + num_page_entries - 1)
2718           choice = first_entry + num_page_entries - 1;
2719
2720         choice_store[mode] = choice;
2721
2722         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2723
2724         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2725
2726         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2727                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2728       }
2729
2730       return;
2731     }
2732   }
2733
2734   if (!anyScrollbarGadgetActive() &&
2735       IN_VIS_MENU(x, y) &&
2736       mx < mx_right_border &&
2737       y >= 0 && y < num_page_entries)
2738   {
2739     if (button)
2740     {
2741       if (first_entry + y != choice &&
2742           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2743       {
2744         PlaySound(SND_MENU_ITEM_ACTIVATING);
2745
2746         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2747         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2748
2749         choice = choice_store[mode] = first_entry + y;
2750       }
2751       else if (dx < 0)
2752       {
2753         PlaySound(SND_MENU_ITEM_SELECTING);
2754
2755         for (i = 0; menu_info[i].type != 0; i++)
2756         {
2757           if (menu_info[i].type & TYPE_LEAVE_MENU)
2758           {
2759             void (*menu_callback_function)(void) = menu_info[i].value;
2760
2761             FadeSetLeaveMenu();
2762
2763             menu_callback_function();
2764
2765             // absolutely needed because function changes 'menu_info'!
2766             break;
2767           }
2768         }
2769
2770         return;
2771       }
2772     }
2773     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2774     {
2775       PlaySound(SND_MENU_ITEM_SELECTING);
2776
2777       // when selecting key headline, execute function for key value change
2778       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2779           menu_info[first_entry + y + 1].type & TYPE_KEY)
2780         y++;
2781
2782       // when selecting string value, execute function for list selection
2783       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2784           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2785         y--;
2786
2787       // when selecting string value, execute function for text input gadget
2788       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2789           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2790         y--;
2791
2792       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2793       {
2794         void (*menu_callback_function)(void) =
2795           menu_info[first_entry + y].value;
2796
2797         FadeSetFromType(menu_info[first_entry + y].type);
2798
2799         menu_callback_function();
2800       }
2801       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2802       {
2803         void (*gadget_callback_function)(void) =
2804           menu_info[first_entry + y].value;
2805
2806         gadget_callback_function();
2807       }
2808       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2809                menu_info == setup_info)
2810       {
2811         changeSetupValue(y, first_entry + y, dx);
2812       }
2813     }
2814   }
2815 }
2816
2817 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2818 {
2819   menu_info = info_info;
2820
2821   HandleMenuScreen(mx, my, dx, dy, button,
2822                    info_mode, num_info_info, max_info_info);
2823 }
2824
2825 static int getMenuFontSpacing(int spacing_height, int font_nr)
2826 {
2827   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2828
2829   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2830           spacing_height);
2831 }
2832
2833 static int getMenuTextSpacing(int spacing_height, int font_nr)
2834 {
2835   return (getMenuFontSpacing(spacing_height, font_nr) +
2836           EXTRA_SPACING(game_status));
2837 }
2838
2839 static int getMenuTextStep(int spacing_height, int font_nr)
2840 {
2841   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2842 }
2843
2844 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2845 {
2846   int font_title = MENU_INFO_FONT_TITLE;
2847   int font_error = FONT_TEXT_2;
2848   int font_foot  = MENU_INFO_FONT_FOOT;
2849   int spacing_title = menu.headline1_spacing_info[info_mode];
2850   int ystep_title = getMenuTextStep(spacing_title, font_title);
2851   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2852   int ystart2 = ystart1 + ystep_title;
2853   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2854
2855   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2856
2857   FadeOut(REDRAW_FIELD);
2858
2859   ClearField();
2860   DrawHeadline();
2861
2862   DrawTextSCentered(ystart1, font_title, text_title);
2863   DrawTextSCentered(ystart2, font_error, text_error);
2864
2865   DrawTextSCentered(ybottom, font_foot,
2866                     "Press any key or button for info menu");
2867
2868   FadeIn(REDRAW_FIELD);
2869 }
2870
2871 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2872 {
2873   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2874   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2875   int font_title = MENU_INFO_FONT_TITLE;
2876   int font_foot  = MENU_INFO_FONT_FOOT;
2877   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2878   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2879   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2880   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2881   int ystep = MENU_SCREEN_INFO_YSTEP;
2882   int element, action, direction;
2883   int graphic;
2884   int delay;
2885   int sync_frame;
2886   int i, j;
2887
2888   if (init)
2889   {
2890     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2891       infoscreen_step[i] = infoscreen_frame[i] = 0;
2892
2893     ClearField();
2894     DrawHeadline();
2895
2896     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2897
2898     DrawTextSCentered(ybottom, font_foot,
2899                       "Press any key or button for next page");
2900
2901     FrameCounter = 0;
2902   }
2903
2904   i = j = 0;
2905   while (helpanim_info[j].element != HELPANIM_LIST_END)
2906   {
2907     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2908         i >= max_anims)
2909       break;
2910     else if (i < start)
2911     {
2912       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2913         j++;
2914
2915       j++;
2916       i++;
2917
2918       continue;
2919     }
2920
2921     j += infoscreen_step[i - start];
2922
2923     element = helpanim_info[j].element;
2924     action = helpanim_info[j].action;
2925     direction = helpanim_info[j].direction;
2926
2927     if (element < 0)
2928       element = EL_UNKNOWN;
2929
2930     if (action != -1 && direction != -1)
2931       graphic = el_act_dir2img(element, action, direction);
2932     else if (action != -1)
2933       graphic = el_act2img(element, action);
2934     else if (direction != -1)
2935       graphic = el_dir2img(element, direction);
2936     else
2937       graphic = el2img(element);
2938
2939     delay = helpanim_info[j++].delay;
2940
2941     if (delay == -1)
2942       delay = 1000000;
2943
2944     if (infoscreen_frame[i - start] == 0)
2945     {
2946       sync_frame = 0;
2947       infoscreen_frame[i - start] = delay - 1;
2948     }
2949     else
2950     {
2951       sync_frame = delay - infoscreen_frame[i - start];
2952       infoscreen_frame[i - start]--;
2953     }
2954
2955     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2956     {
2957       if (!infoscreen_frame[i - start])
2958         infoscreen_step[i - start] = 0;
2959     }
2960     else
2961     {
2962       if (!infoscreen_frame[i - start])
2963         infoscreen_step[i - start]++;
2964       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2965         j++;
2966     }
2967
2968     j++;
2969
2970     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2971                                TILEX, TILEY);
2972     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2973                                  graphic, sync_frame, USE_MASKING);
2974
2975     if (init)
2976       DrawInfoScreen_HelpText(element, action, direction, i - start);
2977
2978     i++;
2979   }
2980
2981   redraw_mask |= REDRAW_FIELD;
2982
2983   FrameCounter++;
2984 }
2985
2986 static char *getHelpText(int element, int action, int direction)
2987 {
2988   char token[MAX_LINE_LEN];
2989
2990   strcpy(token, element_info[element].token_name);
2991
2992   if (action != -1)
2993     strcat(token, element_action_info[action].suffix);
2994
2995   if (direction != -1)
2996     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2997
2998   return getHashEntry(helptext_info, token);
2999 }
3000
3001 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3002 {
3003   int font_nr = FONT_INFO_ELEMENTS;
3004   int font_width = getFontWidth(font_nr);
3005   int font_height = getFontHeight(font_nr);
3006   int yoffset = (TILEX - 2 * font_height) / 2;
3007   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3008   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3009   int ystep = TILEY + 4;
3010   int pad_left = xstart - SX;
3011   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3012   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3013   int max_lines_per_text = 2;    
3014   char *text = NULL;
3015
3016   if (action != -1 && direction != -1)          // element.action.direction
3017     text = getHelpText(element, action, direction);
3018
3019   if (text == NULL && action != -1)             // element.action
3020     text = getHelpText(element, action, -1);
3021
3022   if (text == NULL && direction != -1)          // element.direction
3023     text = getHelpText(element, -1, direction);
3024
3025   if (text == NULL)                             // base element
3026     text = getHelpText(element, -1, -1);
3027
3028   if (text == NULL)                             // not found
3029     text = "No description available";
3030
3031   if (strlen(text) <= max_chars_per_line)       // only one line of text
3032     ystart += getFontHeight(font_nr) / 2;
3033
3034   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3035                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3036                  TRUE, FALSE, FALSE);
3037 }
3038
3039 static void DrawInfoScreen_TitleScreen(void)
3040 {
3041   SetGameStatus(GAME_MODE_TITLE);
3042
3043   DrawTitleScreen();
3044 }
3045
3046 void HandleInfoScreen_TitleScreen(int button)
3047 {
3048   HandleTitleScreen(0, 0, 0, 0, button);
3049 }
3050
3051 static void DrawInfoScreen_Elements(void)
3052 {
3053   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3054
3055   FadeOut(REDRAW_FIELD);
3056
3057   LoadHelpAnimInfo();
3058   LoadHelpTextInfo();
3059
3060   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3061
3062   FadeIn(REDRAW_FIELD);
3063 }
3064
3065 void HandleInfoScreen_Elements(int button)
3066 {
3067   static unsigned int info_delay = 0;
3068   static int num_anims;
3069   static int num_pages;
3070   static int page;
3071   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3072   int i;
3073
3074   if (button == MB_MENU_INITIALIZE)
3075   {
3076     boolean new_element = TRUE;
3077
3078     num_anims = 0;
3079
3080     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3081     {
3082       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3083         new_element = TRUE;
3084       else if (new_element)
3085       {
3086         num_anims++;
3087         new_element = FALSE;
3088       }
3089     }
3090
3091     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3092     page = 0;
3093   }
3094
3095   if (button == MB_MENU_LEAVE)
3096   {
3097     PlaySound(SND_MENU_ITEM_SELECTING);
3098
3099     info_mode = INFO_MODE_MAIN;
3100     DrawInfoScreen();
3101
3102     return;
3103   }
3104   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3105   {
3106     if (button != MB_MENU_INITIALIZE)
3107     {
3108       PlaySound(SND_MENU_ITEM_SELECTING);
3109
3110       page++;
3111     }
3112
3113     if (page >= num_pages)
3114     {
3115       FadeMenuSoundsAndMusic();
3116
3117       info_mode = INFO_MODE_MAIN;
3118       DrawInfoScreen();
3119
3120       return;
3121     }
3122
3123     if (page > 0)
3124       FadeSetNextScreen();
3125
3126     if (button != MB_MENU_INITIALIZE)
3127       FadeOut(REDRAW_FIELD);
3128
3129     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3130
3131     if (button != MB_MENU_INITIALIZE)
3132       FadeIn(REDRAW_FIELD);
3133   }
3134   else
3135   {
3136     if (DelayReached(&info_delay, GameFrameDelay))
3137       if (page < num_pages)
3138         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3139
3140     PlayMenuSoundIfLoop();
3141   }
3142 }
3143
3144 static void DrawInfoScreen_Music(void)
3145 {
3146   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3147
3148   FadeOut(REDRAW_FIELD);
3149
3150   ClearField();
3151   DrawHeadline();
3152
3153   LoadMusicInfo();
3154
3155   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3156
3157   FadeIn(REDRAW_FIELD);
3158 }
3159
3160 void HandleInfoScreen_Music(int button)
3161 {
3162   static struct MusicFileInfo *list = NULL;
3163   int font_title = MENU_INFO_FONT_TITLE;
3164   int font_head  = MENU_INFO_FONT_HEAD;
3165   int font_text  = MENU_INFO_FONT_TEXT;
3166   int font_foot  = MENU_INFO_FONT_FOOT;
3167   int spacing_title = menu.headline1_spacing_info[info_mode];
3168   int spacing_head  = menu.headline2_spacing_info[info_mode];
3169   int ystep_title = getMenuTextStep(spacing_title, font_title);
3170   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3171   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3172   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3173
3174   if (button == MB_MENU_INITIALIZE)
3175   {
3176     list = music_file_info;
3177
3178     if (list == NULL)
3179     {
3180       FadeMenuSoundsAndMusic();
3181
3182       ClearField();
3183       DrawHeadline();
3184
3185       DrawTextSCentered(ystart, font_title,
3186                         "No music info for this level set.");
3187
3188       DrawTextSCentered(ybottom, font_foot,
3189                         "Press any key or button for info menu");
3190
3191       return;
3192     }
3193   }
3194
3195   if (button == MB_MENU_LEAVE)
3196   {
3197     PlaySound(SND_MENU_ITEM_SELECTING);
3198
3199     FadeMenuSoundsAndMusic();
3200
3201     info_mode = INFO_MODE_MAIN;
3202     DrawInfoScreen();
3203
3204     return;
3205   }
3206   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3207   {
3208     if (button != MB_MENU_INITIALIZE)
3209     {
3210       PlaySound(SND_MENU_ITEM_SELECTING);
3211
3212       if (list != NULL)
3213         list = list->next;
3214     }
3215
3216     if (list == NULL)
3217     {
3218       FadeMenuSoundsAndMusic();
3219
3220       info_mode = INFO_MODE_MAIN;
3221       DrawInfoScreen();
3222
3223       return;
3224     }
3225
3226     FadeMenuSoundsAndMusic();
3227
3228     if (list != music_file_info)
3229       FadeSetNextScreen();
3230
3231     if (button != MB_MENU_INITIALIZE)
3232       FadeOut(REDRAW_FIELD);
3233
3234     ClearField();
3235     DrawHeadline();
3236
3237     if (list->is_sound)
3238     {
3239       int sound = list->music;
3240
3241       if (sound_info[sound].loop)
3242         PlaySoundLoop(sound);
3243       else
3244         PlaySound(sound);
3245
3246       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3247     }
3248     else
3249     {
3250       int music = list->music;
3251
3252       if (music_info[music].loop)
3253         PlayMusicLoop(music);
3254       else
3255         PlayMusic(music);
3256
3257       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3258     }
3259
3260     ystart += ystep_title;
3261
3262     if (!strEqual(list->title, UNKNOWN_NAME))
3263     {
3264       if (!strEqual(list->title_header, UNKNOWN_NAME))
3265       {
3266         DrawTextSCentered(ystart, font_head, list->title_header);
3267         ystart += ystep_head;
3268       }
3269
3270       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3271       ystart += ystep_head;
3272     }
3273
3274     if (!strEqual(list->artist, UNKNOWN_NAME))
3275     {
3276       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3277         DrawTextSCentered(ystart, font_head, list->artist_header);
3278       else
3279         DrawTextSCentered(ystart, font_head, "by");
3280
3281       ystart += ystep_head;
3282
3283       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3284       ystart += ystep_head;
3285     }
3286
3287     if (!strEqual(list->album, UNKNOWN_NAME))
3288     {
3289       if (!strEqual(list->album_header, UNKNOWN_NAME))
3290         DrawTextSCentered(ystart, font_head, list->album_header);
3291       else
3292         DrawTextSCentered(ystart, font_head, "from the album");
3293
3294       ystart += ystep_head;
3295
3296       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3297       ystart += ystep_head;
3298     }
3299
3300     if (!strEqual(list->year, UNKNOWN_NAME))
3301     {
3302       if (!strEqual(list->year_header, UNKNOWN_NAME))
3303         DrawTextSCentered(ystart, font_head, list->year_header);
3304       else
3305         DrawTextSCentered(ystart, font_head, "from the year");
3306
3307       ystart += ystep_head;
3308
3309       DrawTextFCentered(ystart, font_text, "%s", list->year);
3310       ystart += ystep_head;
3311     }
3312
3313     DrawTextSCentered(ybottom, FONT_TEXT_4,
3314                       "Press any key or button for next page");
3315
3316     if (button != MB_MENU_INITIALIZE)
3317       FadeIn(REDRAW_FIELD);
3318   }
3319
3320   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3321     PlaySoundLoop(list->music);
3322 }
3323
3324 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3325 {
3326   int font_title = MENU_INFO_FONT_TITLE;
3327   int font_head  = MENU_INFO_FONT_HEAD;
3328   int font_text  = MENU_INFO_FONT_TEXT;
3329   int font_foot  = MENU_INFO_FONT_FOOT;
3330   int spacing_title = menu.headline1_spacing_info[info_mode];
3331   int spacing_head  = menu.headline2_spacing_info[info_mode];
3332   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3333   int spacing_line  = menu.line_spacing_info[info_mode];
3334   int ystep_title = getMenuTextStep(spacing_title, font_title);
3335   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3336   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3337   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3338   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3339   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3340
3341   ClearField();
3342   DrawHeadline();
3343
3344   DrawTextSCentered(ystart, font_title, "Credits:");
3345   ystart += ystep_title;
3346
3347   if (screen_nr == 0)
3348   {
3349     DrawTextSCentered(ystart, font_head,
3350                       "Special thanks to");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "Peter Liepa");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "for creating");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "\"Boulder Dash\"");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "in the year");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "1984");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "published by");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "First Star Software");
3372   }
3373   else if (screen_nr == 1)
3374   {
3375     DrawTextSCentered(ystart, font_head,
3376                       "Special thanks to");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "Klaus Heinz & Volker Wertich");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "for creating");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "\"Emerald Mine\"");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "in the year");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "1987");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_head,
3394                       "published by");
3395     ystart += ystep_head;
3396     DrawTextSCentered(ystart, font_text,
3397                       "Kingsoft");
3398   }
3399   else if (screen_nr == 2)
3400   {
3401     DrawTextSCentered(ystart, font_head,
3402                       "Special thanks to");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_text,
3405                       "Michael Stopp & Philip Jespersen");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_head,
3408                       "for creating");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_text,
3411                       "\"Supaplex\"");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_head,
3414                       "in the year");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_text,
3417                       "1991");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_head,
3420                       "published by");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "Digital Integration");
3424   }
3425   else if (screen_nr == 3)
3426   {
3427     DrawTextSCentered(ystart, font_head,
3428                       "Special thanks to");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_text,
3431                       "Hiroyuki Imabayashi");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_head,
3434                       "for creating");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "\"Sokoban\"");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "in the year");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_text,
3443                       "1982");
3444     ystart += ystep_head;
3445     DrawTextSCentered(ystart, font_head,
3446                       "published by");
3447     ystart += ystep_head;
3448     DrawTextSCentered(ystart, font_text,
3449                       "Thinking Rabbit");
3450   }
3451   else if (screen_nr == 4)
3452   {
3453     DrawTextSCentered(ystart, font_head,
3454                       "Special thanks to");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_text,
3457                       "Alan Bond");
3458     ystart += ystep_head;
3459     DrawTextSCentered(ystart, font_head,
3460                       "and");
3461     ystart += ystep_head;
3462     DrawTextSCentered(ystart, font_text,
3463                       "J\xfcrgen Bonhagen");
3464     ystart += ystep_head;
3465     DrawTextSCentered(ystart, font_head,
3466                       "for the continuous creation");
3467     ystart += ystep_line;
3468     DrawTextSCentered(ystart, font_head,
3469                       "of outstanding level sets");
3470   }
3471   else if (screen_nr == 5)
3472   {
3473     DrawTextSCentered(ystart, font_head,
3474                       "Thanks to");
3475     ystart += ystep_head;
3476     DrawTextSCentered(ystart, font_text,
3477                       "Peter Elzner");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_head,
3480                       "for ideas and inspiration by");
3481     ystart += ystep_head;
3482     DrawTextSCentered(ystart, font_text,
3483                       "Diamond Caves");
3484     ystart += ystep_para;
3485
3486     DrawTextSCentered(ystart, font_head,
3487                       "Thanks to");
3488     ystart += ystep_head;
3489     DrawTextSCentered(ystart, font_text,
3490                       "Steffest");
3491     ystart += ystep_head;
3492     DrawTextSCentered(ystart, font_head,
3493                       "for ideas and inspiration by");
3494     ystart += ystep_head;
3495     DrawTextSCentered(ystart, font_text,
3496                       "DX-Boulderdash");
3497   }
3498   else if (screen_nr == 6)
3499   {
3500     DrawTextSCentered(ystart, font_head,
3501                       "Thanks to");
3502     ystart += ystep_head;
3503     DrawTextSCentered(ystart, font_text,
3504                       "David Tritscher");
3505     ystart += ystep_head;
3506     DrawTextSCentered(ystart, font_head,
3507                       "for the code base used for the");
3508     ystart += ystep_line;
3509     DrawTextSCentered(ystart, font_head,
3510                       "native Emerald Mine engine");
3511   }
3512   else if (screen_nr == 7)
3513   {
3514     DrawTextSCentered(ystart, font_head,
3515                       "Thanks to");
3516     ystart += ystep_head;
3517     DrawTextSCentered(ystart, font_text,
3518                       "Guido Schulz");
3519     ystart += ystep_head;
3520     DrawTextSCentered(ystart, font_head,
3521                       "for the initial DOS port");
3522     ystart += ystep_para;
3523
3524     DrawTextSCentered(ystart, font_head,
3525                       "Thanks to");
3526     ystart += ystep_head;
3527     DrawTextSCentered(ystart, font_text,
3528                       "Karl H\xf6rnell");
3529     ystart += ystep_head;
3530     DrawTextSCentered(ystart, font_head,
3531                       "for some additional toons");
3532   }
3533   else if (screen_nr == 8)
3534   {
3535     DrawTextSCentered(ystart, font_head,
3536                       "And not to forget:");
3537     ystart += ystep_head;
3538     DrawTextSCentered(ystart, font_head,
3539                       "Many thanks to");
3540     ystart += ystep_head;
3541     DrawTextSCentered(ystart, font_text,
3542                       "All those who contributed");
3543     ystart += ystep_line;
3544     DrawTextSCentered(ystart, font_text,
3545                       "levels to this game");
3546     ystart += ystep_line;
3547     DrawTextSCentered(ystart, font_text,
3548                       "since 1995");
3549   }
3550
3551   DrawTextSCentered(ybottom, font_foot,
3552                     "Press any key or button for next page");
3553 }
3554
3555 static void DrawInfoScreen_Credits(void)
3556 {
3557   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3558
3559   FadeMenuSoundsAndMusic();
3560
3561   FadeOut(REDRAW_FIELD);
3562
3563   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3564
3565   FadeIn(REDRAW_FIELD);
3566 }
3567
3568 void HandleInfoScreen_Credits(int button)
3569 {
3570   static int screen_nr = 0;
3571   int num_screens = 9;
3572
3573   if (button == MB_MENU_INITIALIZE)
3574   {
3575     screen_nr = 0;
3576
3577     // DrawInfoScreen_CreditsScreen(screen_nr);
3578   }
3579
3580   if (button == MB_MENU_LEAVE)
3581   {
3582     PlaySound(SND_MENU_ITEM_SELECTING);
3583
3584     info_mode = INFO_MODE_MAIN;
3585     DrawInfoScreen();
3586
3587     return;
3588   }
3589   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3590   {
3591     if (button != MB_MENU_INITIALIZE)
3592     {
3593       PlaySound(SND_MENU_ITEM_SELECTING);
3594
3595       screen_nr++;
3596     }
3597
3598     if (screen_nr >= num_screens)
3599     {
3600       FadeMenuSoundsAndMusic();
3601
3602       info_mode = INFO_MODE_MAIN;
3603       DrawInfoScreen();
3604
3605       return;
3606     }
3607
3608     if (screen_nr > 0)
3609       FadeSetNextScreen();
3610
3611     if (button != MB_MENU_INITIALIZE)
3612       FadeOut(REDRAW_FIELD);
3613
3614     DrawInfoScreen_CreditsScreen(screen_nr);
3615
3616     if (button != MB_MENU_INITIALIZE)
3617       FadeIn(REDRAW_FIELD);
3618   }
3619   else
3620   {
3621     PlayMenuSoundIfLoop();
3622   }
3623 }
3624
3625 static void DrawInfoScreen_Program(void)
3626 {
3627   int font_title = MENU_INFO_FONT_TITLE;
3628   int font_head  = MENU_INFO_FONT_HEAD;
3629   int font_text  = MENU_INFO_FONT_TEXT;
3630   int font_foot  = MENU_INFO_FONT_FOOT;
3631   int spacing_title = menu.headline1_spacing_info[info_mode];
3632   int spacing_head  = menu.headline2_spacing_info[info_mode];
3633   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3634   int spacing_line  = menu.line_spacing_info[info_mode];
3635   int ystep_title = getMenuTextStep(spacing_title, font_title);
3636   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3637   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3638   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3639   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3640   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3641
3642   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3643
3644   FadeOut(REDRAW_FIELD);
3645
3646   ClearField();
3647   DrawHeadline();
3648
3649   DrawTextSCentered(ystart, font_title, "Program Information:");
3650   ystart += ystep_title;
3651
3652   DrawTextSCentered(ystart, font_head,
3653                     "This game is Freeware!");
3654   ystart += ystep_head;
3655   DrawTextSCentered(ystart, font_head,
3656                     "If you like it, send e-mail to:");
3657   ystart += ystep_head;
3658   DrawTextSCentered(ystart, font_text,
3659                     setup.internal.program_email);
3660   ystart += ystep_para;
3661
3662   DrawTextSCentered(ystart, font_head,
3663                     "More information and levels:");
3664   ystart += ystep_head;
3665   DrawTextSCentered(ystart, font_text,
3666                     setup.internal.program_website);
3667   ystart += ystep_para;
3668
3669   DrawTextSCentered(ystart, font_head,
3670                     "If you have created new levels,");
3671   ystart += ystep_line;
3672   DrawTextSCentered(ystart, font_head,
3673                     "send them to me to include them!");
3674   ystart += ystep_head;
3675   DrawTextSCentered(ystart, font_head,
3676                     ":-)");
3677
3678   DrawTextSCentered(ybottom, font_foot,
3679                     "Press any key or button for info menu");
3680
3681   FadeIn(REDRAW_FIELD);
3682 }
3683
3684 void HandleInfoScreen_Program(int button)
3685 {
3686   if (button == MB_MENU_LEAVE)
3687   {
3688     PlaySound(SND_MENU_ITEM_SELECTING);
3689
3690     info_mode = INFO_MODE_MAIN;
3691     DrawInfoScreen();
3692
3693     return;
3694   }
3695   else if (button == MB_MENU_CHOICE)
3696   {
3697     PlaySound(SND_MENU_ITEM_SELECTING);
3698
3699     FadeMenuSoundsAndMusic();
3700
3701     info_mode = INFO_MODE_MAIN;
3702     DrawInfoScreen();
3703   }
3704   else
3705   {
3706     PlayMenuSoundIfLoop();
3707   }
3708 }
3709
3710 static void DrawInfoScreen_Version(void)
3711 {
3712   int font_title = MENU_INFO_FONT_TITLE;
3713   int font_head  = MENU_INFO_FONT_HEAD;
3714   int font_text  = MENU_INFO_FONT_TEXT;
3715   int font_foot  = MENU_INFO_FONT_FOOT;
3716   int spacing_title = menu.headline1_spacing_info[info_mode];
3717   int spacing_head  = menu.headline2_spacing_info[info_mode];
3718   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3719   int spacing_line  = menu.line_spacing_info[info_mode];
3720   int xstep = getFontWidth(font_text);
3721   int ystep_title = getMenuTextStep(spacing_title, font_title);
3722   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3723   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3724   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3725   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3726   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3727   int xstart1 = mSX - SX + 2 * xstep;
3728   int xstart2 = mSX - SX + 18 * xstep;
3729   int xstart3 = mSX - SX + 28 * xstep;
3730   SDL_version sdl_version_compiled;
3731   const SDL_version *sdl_version_linked;
3732   int driver_name_len = 10;
3733   SDL_version sdl_version_linked_ext;
3734   const char *driver_name = NULL;
3735
3736   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3737
3738   FadeOut(REDRAW_FIELD);
3739
3740   ClearField();
3741   DrawHeadline();
3742
3743   DrawTextSCentered(ystart, font_title, "Version Information:");
3744   ystart += ystep_title;
3745
3746   DrawTextF(xstart1, ystart, font_head, "Name");
3747   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3748   ystart += ystep_line;
3749
3750   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3751   {
3752     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3753     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3754     ystart += ystep_line;
3755
3756     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3757     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3758     ystart += ystep_line;
3759   }
3760   else
3761   {
3762     DrawTextF(xstart1, ystart, font_head, "Version");
3763     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3764     ystart += ystep_line;
3765   }
3766
3767   DrawTextF(xstart1, ystart, font_head, "Platform");
3768   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3769             PLATFORM_STRING,
3770             PLATFORM_XX_BIT_STRING);
3771   ystart += ystep_line;
3772
3773   DrawTextF(xstart1, ystart, font_head, "Target");
3774   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3775   ystart += ystep_line;
3776
3777   DrawTextF(xstart1, ystart, font_head, "Source date");
3778   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3779   ystart += ystep_line;
3780
3781   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3782   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3783   ystart += ystep_para;
3784
3785   DrawTextF(xstart1, ystart, font_head, "Library");
3786   DrawTextF(xstart2, ystart, font_head, "compiled");
3787   DrawTextF(xstart3, ystart, font_head, "linked");
3788   ystart += ystep_head;
3789
3790   SDL_VERSION(&sdl_version_compiled);
3791   SDL_GetVersion(&sdl_version_linked_ext);
3792   sdl_version_linked = &sdl_version_linked_ext;
3793
3794   DrawTextF(xstart1, ystart, font_text, "SDL");
3795   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3796             sdl_version_compiled.major,
3797             sdl_version_compiled.minor,
3798             sdl_version_compiled.patch);
3799   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3800             sdl_version_linked->major,
3801             sdl_version_linked->minor,
3802             sdl_version_linked->patch);
3803   ystart += ystep_line;
3804
3805   SDL_IMAGE_VERSION(&sdl_version_compiled);
3806   sdl_version_linked = IMG_Linked_Version();
3807
3808   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3809   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3810             sdl_version_compiled.major,
3811             sdl_version_compiled.minor,
3812             sdl_version_compiled.patch);
3813   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3814             sdl_version_linked->major,
3815             sdl_version_linked->minor,
3816             sdl_version_linked->patch);
3817   ystart += ystep_line;
3818
3819   SDL_MIXER_VERSION(&sdl_version_compiled);
3820   sdl_version_linked = Mix_Linked_Version();
3821
3822   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3823   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3824             sdl_version_compiled.major,
3825             sdl_version_compiled.minor,
3826             sdl_version_compiled.patch);
3827   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3828             sdl_version_linked->major,
3829             sdl_version_linked->minor,
3830             sdl_version_linked->patch);
3831   ystart += ystep_line;
3832
3833   SDL_NET_VERSION(&sdl_version_compiled);
3834   sdl_version_linked = SDLNet_Linked_Version();
3835
3836   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3837   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3838             sdl_version_compiled.major,
3839             sdl_version_compiled.minor,
3840             sdl_version_compiled.patch);
3841   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3842             sdl_version_linked->major,
3843             sdl_version_linked->minor,
3844             sdl_version_linked->patch);
3845   ystart += ystep_para;
3846
3847   DrawTextF(xstart1, ystart, font_head, "Driver");
3848   DrawTextF(xstart2, ystart, font_head, "Requested");
3849   DrawTextF(xstart3, ystart, font_head, "Used");
3850   ystart += ystep_head;
3851
3852   driver_name =
3853     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3854
3855   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3856   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3857   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3858   ystart += ystep_line;
3859
3860   driver_name =
3861     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3862
3863   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3864   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3865   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3866   ystart += ystep_line;
3867
3868   driver_name =
3869     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3870
3871   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3872   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3873   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3874
3875   DrawTextSCentered(ybottom, font_foot,
3876                     "Press any key or button for info menu");
3877
3878   FadeIn(REDRAW_FIELD);
3879 }
3880
3881 void HandleInfoScreen_Version(int button)
3882 {
3883   if (button == MB_MENU_LEAVE)
3884   {
3885     PlaySound(SND_MENU_ITEM_SELECTING);
3886
3887     info_mode = INFO_MODE_MAIN;
3888     DrawInfoScreen();
3889
3890     return;
3891   }
3892   else if (button == MB_MENU_CHOICE)
3893   {
3894     PlaySound(SND_MENU_ITEM_SELECTING);
3895
3896     FadeMenuSoundsAndMusic();
3897
3898     info_mode = INFO_MODE_MAIN;
3899     DrawInfoScreen();
3900   }
3901   else
3902   {
3903     PlayMenuSoundIfLoop();
3904   }
3905 }
3906
3907 static void DrawInfoScreen_LevelSet(void)
3908 {
3909   struct TitleMessageInfo *tmi = &readme;
3910   char *filename = getLevelSetInfoFilename();
3911   char *title = "Level Set Information:";
3912   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3913   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3914
3915   if (filename == NULL)
3916   {
3917     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3918
3919     return;
3920   }
3921
3922   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3923
3924   FadeOut(REDRAW_FIELD);
3925
3926   ClearField();
3927   DrawHeadline();
3928
3929   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3930
3931   // if x position set to "-1", automatically determine by playfield width
3932   if (tmi->x == -1)
3933     tmi->x = SXSIZE / 2;
3934
3935   // if y position set to "-1", use static default value
3936   if (tmi->y == -1)
3937     tmi->y = 150;
3938
3939   // if width set to "-1", automatically determine by playfield width
3940   if (tmi->width == -1)
3941     tmi->width = SXSIZE - 2 * TILEX;
3942
3943   // if height set to "-1", automatically determine by playfield height
3944   if (tmi->height == -1)
3945     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3946
3947   // if chars set to "-1", automatically determine by text and font width
3948   if (tmi->chars == -1)
3949     tmi->chars = tmi->width / getFontWidth(tmi->font);
3950   else
3951     tmi->width = tmi->chars * getFontWidth(tmi->font);
3952
3953   // if lines set to "-1", automatically determine by text and font height
3954   if (tmi->lines == -1)
3955     tmi->lines = tmi->height / getFontHeight(tmi->font);
3956   else
3957     tmi->height = tmi->lines * getFontHeight(tmi->font);
3958
3959   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3960                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3961                tmi->autowrap, tmi->centered, tmi->parse_comments);
3962
3963   DrawTextSCentered(ybottom, FONT_TEXT_4,
3964                     "Press any key or button for info menu");
3965
3966   FadeIn(REDRAW_FIELD);
3967 }
3968
3969 static void HandleInfoScreen_LevelSet(int button)
3970 {
3971   if (button == MB_MENU_LEAVE)
3972   {
3973     PlaySound(SND_MENU_ITEM_SELECTING);
3974
3975     info_mode = INFO_MODE_MAIN;
3976     DrawInfoScreen();
3977
3978     return;
3979   }
3980   else if (button == MB_MENU_CHOICE)
3981   {
3982     PlaySound(SND_MENU_ITEM_SELECTING);
3983
3984     FadeMenuSoundsAndMusic();
3985
3986     info_mode = INFO_MODE_MAIN;
3987     DrawInfoScreen();
3988   }
3989   else
3990   {
3991     PlayMenuSoundIfLoop();
3992   }
3993 }
3994
3995 static void DrawInfoScreen(void)
3996 {
3997   if (info_mode == INFO_MODE_TITLE)
3998     DrawInfoScreen_TitleScreen();
3999   else if (info_mode == INFO_MODE_ELEMENTS)
4000     DrawInfoScreen_Elements();
4001   else if (info_mode == INFO_MODE_MUSIC)
4002     DrawInfoScreen_Music();
4003   else if (info_mode == INFO_MODE_CREDITS)
4004     DrawInfoScreen_Credits();
4005   else if (info_mode == INFO_MODE_PROGRAM)
4006     DrawInfoScreen_Program();
4007   else if (info_mode == INFO_MODE_VERSION)
4008     DrawInfoScreen_Version();
4009   else if (info_mode == INFO_MODE_LEVELSET)
4010     DrawInfoScreen_LevelSet();
4011   else
4012     DrawInfoScreen_Main();
4013
4014   if (info_mode != INFO_MODE_MAIN &&
4015       info_mode != INFO_MODE_TITLE &&
4016       info_mode != INFO_MODE_MUSIC)
4017     PlayMenuSoundsAndMusic();
4018 }
4019
4020 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4021 {
4022   if (info_mode == INFO_MODE_TITLE)
4023     HandleInfoScreen_TitleScreen(button);
4024   else if (info_mode == INFO_MODE_ELEMENTS)
4025     HandleInfoScreen_Elements(button);
4026   else if (info_mode == INFO_MODE_MUSIC)
4027     HandleInfoScreen_Music(button);
4028   else if (info_mode == INFO_MODE_CREDITS)
4029     HandleInfoScreen_Credits(button);
4030   else if (info_mode == INFO_MODE_PROGRAM)
4031     HandleInfoScreen_Program(button);
4032   else if (info_mode == INFO_MODE_VERSION)
4033     HandleInfoScreen_Version(button);
4034   else if (info_mode == INFO_MODE_LEVELSET)
4035     HandleInfoScreen_LevelSet(button);
4036   else
4037     HandleInfoScreen_Main(mx, my, dx, dy, button);
4038 }
4039
4040
4041 // ============================================================================
4042 // change name functions
4043 // ============================================================================
4044
4045 struct ApiRenamePlayerThreadData
4046 {
4047   char *player_name;
4048   char *player_uuid;
4049 };
4050
4051 static void *CreateThreadData_ApiRenamePlayer(void)
4052 {
4053   struct ApiRenamePlayerThreadData *data =
4054     checked_malloc(sizeof(struct ApiRenamePlayerThreadData));
4055
4056   data->player_name = getStringCopy(setup.player_name);
4057   data->player_uuid = getStringCopy(setup.player_uuid);
4058
4059   return data;
4060 }
4061
4062 static void FreeThreadData_ApiRenamePlayer(void *data_raw)
4063 {
4064   struct ApiRenamePlayerThreadData *data = data_raw;
4065
4066   checked_free(data->player_name);
4067   checked_free(data->player_uuid);
4068   checked_free(data);
4069 }
4070
4071 static void ApiRenamePlayerExt(struct HttpRequest *request,
4072                                struct HttpResponse *response,
4073                                void *data_raw)
4074 {
4075   struct ApiRenamePlayerThreadData *data = data_raw;
4076   char *player_name_raw = data->player_name;
4077   char *player_uuid_raw = data->player_uuid;
4078
4079   request->hostname = setup.api_server_hostname;
4080   request->port     = API_SERVER_PORT;
4081   request->method   = API_SERVER_METHOD;
4082   request->uri      = API_SERVER_URI_RENAME;
4083
4084   char *player_name = getEscapedJSON(player_name_raw);
4085   char *player_uuid = getEscapedJSON(player_uuid_raw);
4086
4087   snprintf(request->body, MAX_HTTP_BODY_SIZE,
4088            "{\n"
4089            "%s"
4090            "  \"game_version\":         \"%s\",\n"
4091            "  \"game_platform\":        \"%s\",\n"
4092            "  \"name\":                 \"%s\",\n"
4093            "  \"uuid\":                 \"%s\"\n"
4094            "}\n",
4095            getPasswordJSON(setup.api_server_password),
4096            getProgramRealVersionString(),
4097            getProgramPlatformString(),
4098            player_name,
4099            player_uuid);
4100
4101   checked_free(player_name);
4102   checked_free(player_uuid);
4103
4104   ConvertHttpRequestBodyToServerEncoding(request);
4105
4106   if (!DoHttpRequest(request, response))
4107   {
4108     Error("HTTP request failed: %s", GetHttpError());
4109
4110     return;
4111   }
4112
4113   if (!HTTP_SUCCESS(response->status_code))
4114   {
4115     Error("server failed to handle request: %d %s",
4116           response->status_code,
4117           response->status_text);
4118
4119     return;
4120   }
4121 }
4122
4123 static void ApiRenamePlayer(void *data_raw)
4124 {
4125   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
4126   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
4127
4128   ApiRenamePlayerExt(request, response, data_raw);
4129
4130   checked_free(request);
4131   checked_free(response);
4132 }
4133
4134 static int ApiRenamePlayerThread(void *data_raw)
4135 {
4136   ApiRenamePlayer(data_raw);
4137
4138   FreeThreadData_ApiRenamePlayer(data_raw);
4139
4140   return 0;
4141 }
4142
4143 static void ApiRenamePlayerAsThread(void)
4144 {
4145   struct ApiRenamePlayerThreadData *data =
4146     CreateThreadData_ApiRenamePlayer();
4147
4148   ExecuteAsThread(ApiRenamePlayerThread,
4149                   "ApiRenamePlayer", data,
4150                   "rename player on server");
4151 }
4152
4153
4154 // ============================================================================
4155 // type name functions
4156 // ============================================================================
4157
4158 static TreeInfo *type_name_node = NULL;
4159 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4160 static int type_name_nr = 0;
4161
4162 static int getPlayerNameColor(char *name)
4163 {
4164   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4165 }
4166
4167 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4168                               boolean active)
4169 {
4170   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4171   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4172   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4173   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4174   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4175   int font_width = getFontWidth(font_nr);
4176
4177   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4178
4179   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4180
4181   pos->width = strlen(text) * font_width;
4182   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4183
4184   DrawText(sx, sy, text, font_nr);
4185 }
4186
4187 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4188 {
4189   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4190
4191   *pos = *mci->pos_input;
4192
4193   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4194   {
4195     TreeInfo *ti = player_name_current;
4196     int first_entry = ti->cl_first;
4197     int entry_pos = first_entry + ti->cl_cursor;
4198     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4199     int xpos = MENU_SCREEN_START_XPOS;
4200     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4201
4202     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4203     type_name_nr = entry_pos;
4204
4205     strcpy(name, type_name_node->name);
4206
4207     pos->x = xpos * 32;
4208     pos->y = ypos * 32;
4209     pos->width = MAX_PLAYER_NAME_LEN * 32;
4210   }
4211   else
4212   {
4213     type_name_nr = user.nr;
4214
4215     strcpy(name, setup.player_name);
4216   }
4217
4218   strcpy(type_name_last, name);
4219
4220   if (strEqual(name, EMPTY_PLAYER_NAME))
4221     strcpy(name, "");
4222
4223   *xpos = strlen(name);
4224 }
4225
4226 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4227 {
4228   // change name of edited user in global list of user names
4229   setString(&global.user_names[type_name_nr], name);
4230
4231   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4232   {
4233     TreeInfo *node = type_name_node;
4234
4235     // change name of edited user in local menu tree structure
4236     setString(&node->name, name);
4237     setString(&node->name_sorting, name);
4238
4239     node->color = getPlayerNameColor(name);
4240     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4241   }
4242 }
4243
4244 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4245                               boolean changed)
4246 {
4247   boolean reset_setup = strEqual(name, "");
4248   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4249   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4250
4251   if (!changed)
4252     strcpy(name, type_name_last);
4253
4254   if (strEqual(name, ""))
4255     strcpy(name, EMPTY_PLAYER_NAME);
4256
4257   setTypeNameValues_Name(name, pos);
4258
4259   // if player name not changed, no further action required
4260   if (strEqual(name, type_name_last))
4261     return;
4262
4263   // redraw player name before (possibly) opening request dialogs
4264   drawTypeNameText(name, pos, FALSE);
4265
4266   int last_user_nr = user.nr;
4267
4268   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4269   {
4270     // save setup of currently active user (may differ from edited user)
4271     SaveSetup();
4272
4273     // temporarily change active user to edited user
4274     user.nr = type_name_nr;
4275
4276     // load setup of edited user (unless creating user with current setup)
4277     if (!create_user ||
4278         !Request("Use current setup values for the new player?", REQ_ASK))
4279       LoadSetup();
4280   }
4281
4282   char *setup_filename = getSetupFilename();
4283   boolean setup_exists = fileExists(setup_filename);
4284
4285   // change name of edited user in setup structure
4286   strcpy(setup.player_name, name);
4287
4288   // save setup of edited user
4289   SaveSetup();
4290
4291   // change name of edited user on score server
4292   ApiRenamePlayerAsThread();
4293
4294   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4295   {
4296     if (reset_setup)
4297     {
4298       if (Request("Reset setup values for this player?", REQ_ASK))
4299       {
4300         // remove setup config file
4301         unlink(setup_filename);
4302
4303         // set player name to default player name
4304         LoadSetup();
4305
4306         // update player name used by name typing functions
4307         strcpy(name, setup.player_name);
4308
4309         setTypeNameValues_Name(name, pos);
4310       }
4311     }
4312     else if (remove_user && type_name_nr != 0)
4313     {
4314       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4315       {
4316         char *user_dir = getUserGameDataDir();
4317         char *user_dir_removed =
4318           getStringCat3WithSeparator(user_dir, "REMOVED",
4319                                      getCurrentTimestamp(), ".");
4320
4321         if (rename(user_dir, user_dir_removed) != 0)
4322           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4323
4324         checked_free(user_dir_removed);
4325       }
4326     }
4327     else if (create_user && type_name_nr != 0 && !setup_exists)
4328     {
4329       if (Request("Create empty level set for the new player?", REQ_ASK))
4330       {
4331         char *levelset_subdir = getNewUserLevelSubdir();
4332
4333         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4334         {
4335           AddUserLevelSetToLevelInfo(levelset_subdir);
4336
4337           LevelDirTree *leveldir_current_last = leveldir_current;
4338
4339           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4340                                                        levelset_subdir);
4341
4342           // set level number of newly created level set to default value
4343           LoadLevelSetup_SeriesInfo();
4344
4345           // set newly created level set as current level set for new user
4346           SaveLevelSetup_LastSeries();
4347           SaveLevelSetup_SeriesInfo();
4348
4349           leveldir_current = leveldir_current_last;
4350         }
4351         else
4352         {
4353           Request("Creating new level set failed!", REQ_CONFIRM);
4354         }
4355       }
4356     }
4357
4358     // restore currently active user
4359     user.nr = last_user_nr;
4360
4361     // restore setup of currently active user
4362     LoadSetup();
4363
4364     // restore last level set of currently active user
4365     LoadLevelSetup_LastSeries();
4366     LoadLevelSetup_SeriesInfo();
4367   }
4368 }
4369
4370 static void HandleTypeNameExt(boolean initialize, Key key)
4371 {
4372   static struct TextPosInfo pos_name = { 0 };
4373   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4374   static int xpos = 0;
4375   struct TextPosInfo *pos = &pos_name;
4376   char key_char = getValidConfigValueChar(getCharFromKey(key));
4377   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4378   boolean active = TRUE;
4379
4380   if (initialize)
4381   {
4382     getTypeNameValues(name, pos, &xpos);
4383
4384     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4385     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4386
4387     StartTextInput(sx, sy, pos->width, pos->height);
4388   }
4389   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4390   {
4391     name[xpos] = key_char;
4392     name[xpos + 1] = 0;
4393
4394     xpos++;
4395   }
4396   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4397   {
4398     xpos--;
4399
4400     name[xpos] = 0;
4401   }
4402   else if (key == KSYM_Return || key == KSYM_Escape)
4403   {
4404     boolean changed = (key == KSYM_Return);
4405
4406     StopTextInput();
4407
4408     setTypeNameValues(name, pos, changed);
4409
4410     active = FALSE;
4411   }
4412
4413   drawTypeNameText(name, pos, active);
4414
4415   if (!active)
4416   {
4417     SetGameStatus(game_status_last_screen);
4418
4419     if (game_status == GAME_MODE_MAIN)
4420       InitializeMainControls();
4421   }
4422 }
4423
4424 static void DrawTypeName(void)
4425 {
4426   HandleTypeNameExt(TRUE, 0);
4427 }
4428
4429 void HandleTypeName(Key key)
4430 {
4431   HandleTypeNameExt(FALSE, key);
4432 }
4433
4434
4435 // ============================================================================
4436 // tree menu functions
4437 // ============================================================================
4438
4439 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4440 {
4441   if (game_status != GAME_MODE_SETUP ||
4442       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4443     return 0;
4444
4445   int max_text_size = 0;
4446   TreeInfo *node;
4447
4448   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4449     max_text_size = MAX(max_text_size, strlen(node->name));
4450
4451   int num_entries = numTreeInfoInGroup(ti);
4452   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4453   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4454   int text_width = max_text_size * getFontWidth(font_nr);
4455   int button_width = SC_MENUBUTTON_XSIZE;
4456   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4457   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4458   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4459   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4460   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4461   int align_xoffset = MAX(0, align_xoffset_raw);
4462
4463   return align_xoffset;
4464 }
4465
4466 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4467 {
4468   if (game_status != GAME_MODE_SETUP ||
4469       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4470     return 0;
4471
4472   int num_entries = numTreeInfoInGroup(ti);
4473   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4474   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4475   int font_height = getFontHeight(font_nr);
4476   int text_height = font_height * num_page_entries;
4477   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4478   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4479   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4480   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4481   int align_yoffset = MAX(0, align_yoffset_raw);
4482
4483   return align_yoffset;
4484 }
4485
4486 static void DrawChooseTree(TreeInfo **ti_ptr)
4487 {
4488   int fade_mask = REDRAW_FIELD;
4489
4490   if (CheckFadeAll())
4491     fade_mask = REDRAW_ALL;
4492
4493   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4494   {
4495     if (game_status == GAME_MODE_SETUP)
4496     {
4497       execSetupArtwork();
4498     }
4499     else        // GAME_MODE_LEVELS
4500     {
4501       SetGameStatus(GAME_MODE_MAIN);
4502
4503       DrawMainMenu();
4504     }
4505
4506     return;
4507   }
4508
4509   UnmapAllGadgets();
4510
4511   FreeScreenGadgets();
4512   CreateScreenGadgets();
4513
4514   FadeOut(fade_mask);
4515
4516   // needed if different viewport properties defined for choosing level (set)
4517   ChangeViewportPropertiesIfNeeded();
4518
4519   if (game_status == GAME_MODE_NAMES)
4520     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4521   else if (game_status == GAME_MODE_LEVELNR)
4522     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4523   else if (game_status == GAME_MODE_LEVELS)
4524     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4525
4526   ClearField();
4527
4528   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4529
4530   MapScreenTreeGadgets(*ti_ptr);
4531   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4532
4533   DrawMaskedBorder(fade_mask);
4534
4535   FadeIn(fade_mask);
4536 }
4537
4538 static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
4539 {
4540   int num_entries = numTreeInfoInGroup(ti);
4541   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4542   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4543   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4544   int first_entry = ti->cl_first;
4545   int entry_pos = first_entry + y;
4546   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4547   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4548   int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
4549   int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
4550   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4551   int xpos = MENU_SCREEN_START_XPOS;
4552   int ypos = MENU_SCREEN_START_YPOS + y;
4553   int startx = amSX + xpos * 32;
4554   int starty = amSY + ypos * 32;
4555   int startx_text = startx + font_xoffset;
4556   int endx_text = amSX + screen_width;
4557   int max_text_size = endx_text - startx_text;
4558   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4559   char buffer[max_buffer_len + 1];
4560
4561   strncpy(buffer, node->name, max_buffer_len);
4562   buffer[max_buffer_len] = '\0';
4563
4564   DrawText(startx, starty, buffer, font_nr);
4565 }
4566
4567 static void drawChooseTreeList(int first_entry, int num_page_entries,
4568                                TreeInfo *ti)
4569 {
4570   int i;
4571   char *title_string = NULL;
4572   int yoffset_sets = MENU_TITLE1_YPOS;
4573   int yoffset_setup = 16;
4574   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4575                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4576
4577   title_string = ti->infotext;
4578
4579   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4580
4581   clearMenuListArea();
4582
4583   for (i = 0; i < num_page_entries; i++)
4584   {
4585     TreeInfo *node, *node_first;
4586     int entry_pos = first_entry + i;
4587
4588     node_first = getTreeInfoFirstGroupEntry(ti);
4589     node = getTreeInfoFromPos(node_first, entry_pos);
4590
4591     drawChooseTreeText(i, FALSE, ti);
4592
4593     if (node->parent_link)
4594       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4595     else if (node->level_group)
4596       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4597     else
4598       initCursor(i, IMG_MENU_BUTTON);
4599
4600     if (game_status == GAME_MODE_NAMES)
4601       drawChooseTreeEdit(i, FALSE);
4602   }
4603
4604   redraw_mask |= REDRAW_FIELD;
4605 }
4606
4607 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4608 {
4609   TreeInfo *node, *node_first;
4610   int x, last_redraw_mask = redraw_mask;
4611   int ypos = MENU_TITLE2_YPOS;
4612   int font_nr = FONT_TITLE_2;
4613
4614   if (ti->type == TREE_TYPE_LEVEL_NR)
4615     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4616
4617   if (ti->type != TREE_TYPE_LEVEL_DIR)
4618     return;
4619
4620   node_first = getTreeInfoFirstGroupEntry(ti);
4621   node = getTreeInfoFromPos(node_first, entry_pos);
4622
4623   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4624
4625   if (node->parent_link)
4626     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4627                       node->node_parent->name);
4628   else if (node->level_group)
4629     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4630                       node->name);
4631   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4632     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4633                       node->levels, (node->levels > 1 ? "levels" : "level"),
4634                       node->class_desc);
4635
4636   // let BackToFront() redraw only what is needed
4637   redraw_mask = last_redraw_mask;
4638   for (x = 0; x < SCR_FIELDX; x++)
4639     MarkTileDirty(x, 1);
4640 }
4641
4642 static void drawChooseTreeCursorAndText(int y, boolean active, TreeInfo *ti)
4643 {
4644   drawChooseTreeCursor(y, active);
4645   drawChooseTreeText(y, active, ti);
4646 }
4647
4648 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4649                              TreeInfo **ti_ptr)
4650 {
4651   TreeInfo *ti = *ti_ptr;
4652   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4653   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4654   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4655   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4656   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4657   int x = 0;
4658   int y = ti->cl_cursor;
4659   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4660   int num_entries = numTreeInfoInGroup(ti);
4661   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4662   boolean position_set_by_scrollbar = (dx == 999);
4663
4664   if (button == MB_MENU_INITIALIZE)
4665   {
4666     int num_entries = numTreeInfoInGroup(ti);
4667     int entry_pos = getPosFromTreeInfo(ti);
4668
4669     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4670     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4671
4672     if (ti->cl_first == -1)
4673     {
4674       // only on initialization
4675       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4676       ti->cl_cursor = entry_pos - ti->cl_first;
4677     }
4678     else if (ti->cl_cursor >= num_page_entries ||
4679              (num_entries > num_page_entries &&
4680               num_entries - ti->cl_first < num_page_entries))
4681     {
4682       // only after change of list size (by custom graphic configuration)
4683       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4684       ti->cl_cursor = entry_pos - ti->cl_first;
4685     }
4686
4687     if (position_set_by_scrollbar)
4688       ti->cl_first = dy;
4689     else
4690       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4691                                 ti->cl_first, ti);
4692
4693     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4694     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4695     drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4696
4697     return;
4698   }
4699   else if (button == MB_MENU_LEAVE)
4700   {
4701     FadeSetLeaveMenu();
4702
4703     PlaySound(SND_MENU_ITEM_SELECTING);
4704
4705     if (ti->node_parent)
4706     {
4707       *ti_ptr = ti->node_parent;
4708       DrawChooseTree(ti_ptr);
4709     }
4710     else if (game_status == GAME_MODE_SETUP)
4711     {
4712       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4713           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4714           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4715         execSetupGame();
4716       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4717                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4718                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4719                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4720         execSetupGraphics();
4721       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4722                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4723                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4724         execSetupSound();
4725       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4726                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4727                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4728                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4729                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4730                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4731                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4732                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4733         execSetupTouch();
4734       else
4735         execSetupArtwork();
4736     }
4737     else
4738     {
4739       if (game_status == GAME_MODE_LEVELNR)
4740       {
4741         int new_level_nr = atoi(level_number_current->identifier);
4742
4743         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4744       }
4745
4746       SetGameStatus(GAME_MODE_MAIN);
4747
4748       DrawMainMenu();
4749     }
4750
4751     return;
4752   }
4753
4754   if (mx || my)         // mouse input
4755   {
4756     x = (mx - amSX) / 32;
4757     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4758
4759     if (game_status == GAME_MODE_NAMES)
4760       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4761   }
4762   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4763   {
4764     // move cursor instead of scrolling when already at start/end of list
4765     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4766       dy = -1;
4767     else if (dy == +1 * SCROLL_LINE &&
4768              ti->cl_first + num_page_entries == num_entries)
4769       dy = 1;
4770
4771     // handle scrolling screen one line or page
4772     if (ti->cl_cursor + dy < 0 ||
4773         ti->cl_cursor + dy > num_page_entries - 1)
4774     {
4775       boolean redraw = FALSE;
4776
4777       if (ABS(dy) == SCROLL_PAGE)
4778         step = num_page_entries - 1;
4779
4780       if (dy < 0 && ti->cl_first > 0)
4781       {
4782         // scroll page/line up
4783
4784         ti->cl_first -= step;
4785         if (ti->cl_first < 0)
4786           ti->cl_first = 0;
4787
4788         redraw = TRUE;
4789       }
4790       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4791       {
4792         // scroll page/line down
4793
4794         ti->cl_first += step;
4795         if (ti->cl_first + num_page_entries > num_entries)
4796           ti->cl_first = MAX(0, num_entries - num_page_entries);
4797
4798         redraw = TRUE;
4799       }
4800
4801       if (redraw)
4802       {
4803         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4804         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4805         drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4806
4807         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4808                                   ti->cl_first, ti);
4809       }
4810
4811       return;
4812     }
4813
4814     // handle moving cursor one line
4815     y = ti->cl_cursor + dy;
4816   }
4817
4818   if (dx == 1)
4819   {
4820     TreeInfo *node_first, *node_cursor;
4821     int entry_pos = ti->cl_first + y;
4822
4823     node_first = getTreeInfoFirstGroupEntry(ti);
4824     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4825
4826     if (node_cursor->node_group)
4827     {
4828       FadeSetEnterMenu();
4829
4830       PlaySound(SND_MENU_ITEM_SELECTING);
4831
4832       node_cursor->cl_first = ti->cl_first;
4833       node_cursor->cl_cursor = ti->cl_cursor;
4834       *ti_ptr = node_cursor->node_group;
4835       DrawChooseTree(ti_ptr);
4836
4837       return;
4838     }
4839   }
4840   else if (dx == -1 && ti->node_parent)
4841   {
4842     FadeSetLeaveMenu();
4843
4844     PlaySound(SND_MENU_ITEM_SELECTING);
4845
4846     *ti_ptr = ti->node_parent;
4847     DrawChooseTree(ti_ptr);
4848
4849     return;
4850   }
4851
4852   if (!anyScrollbarGadgetActive() &&
4853       IN_VIS_MENU(x, y) &&
4854       mx < mx_right_border &&
4855       y >= 0 && y < num_page_entries)
4856   {
4857     if (button)
4858     {
4859       if (game_status == GAME_MODE_NAMES)
4860       {
4861         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4862           drawChooseTreeEdit(y, TRUE);
4863       }
4864
4865       if (y != ti->cl_cursor)
4866       {
4867         PlaySound(SND_MENU_ITEM_ACTIVATING);
4868
4869         drawChooseTreeCursorAndText(ti->cl_cursor, FALSE, ti);
4870         drawChooseTreeCursorAndText(y, TRUE, ti);
4871         drawChooseTreeInfo(ti->cl_first + y, ti);
4872
4873         ti->cl_cursor = y;
4874       }
4875       else if (dx < 0)
4876       {
4877         if (game_status == GAME_MODE_SETUP)
4878         {
4879           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4880               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4881               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4882             execSetupGame();
4883           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4884                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4885                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4886                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4887             execSetupGraphics();
4888           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4889                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4890                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4891             execSetupSound();
4892           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4893                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4894                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4895                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4896                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4897                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4898                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4899                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4900             execSetupTouch();
4901           else
4902             execSetupArtwork();
4903         }
4904       }
4905     }
4906     else
4907     {
4908       TreeInfo *node_first, *node_cursor;
4909       int entry_pos = ti->cl_first + y;
4910
4911       PlaySound(SND_MENU_ITEM_SELECTING);
4912
4913       node_first = getTreeInfoFirstGroupEntry(ti);
4914       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4915
4916       if (node_cursor->node_group)
4917       {
4918         FadeSetEnterMenu();
4919
4920         node_cursor->cl_first = ti->cl_first;
4921         node_cursor->cl_cursor = ti->cl_cursor;
4922         *ti_ptr = node_cursor->node_group;
4923         DrawChooseTree(ti_ptr);
4924       }
4925       else if (node_cursor->parent_link)
4926       {
4927         FadeSetLeaveMenu();
4928
4929         *ti_ptr = node_cursor->node_parent;
4930         DrawChooseTree(ti_ptr);
4931       }
4932       else
4933       {
4934         FadeSetEnterMenu();
4935
4936         node_cursor->cl_first = ti->cl_first;
4937         node_cursor->cl_cursor = ti->cl_cursor;
4938         *ti_ptr = node_cursor;
4939
4940         if (ti->type == TREE_TYPE_LEVEL_DIR)
4941         {
4942           LoadLevelSetup_SeriesInfo();
4943
4944           SaveLevelSetup_LastSeries();
4945           SaveLevelSetup_SeriesInfo();
4946           TapeErase();
4947         }
4948
4949         if (game_status == GAME_MODE_SETUP)
4950         {
4951           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4952               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4953               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4954             execSetupGame();
4955           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4956                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4957                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4958                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4959             execSetupGraphics();
4960           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4961                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4962                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4963             execSetupSound();
4964           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4965                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4966                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4967                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4968                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4969                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4970                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4971                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4972             execSetupTouch();
4973           else
4974             execSetupArtwork();
4975         }
4976         else
4977         {
4978           if (game_status == GAME_MODE_LEVELNR)
4979           {
4980             int new_level_nr = atoi(level_number_current->identifier);
4981
4982             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4983           }
4984           else if (game_status == GAME_MODE_LEVELS)
4985           {
4986             // store level set if chosen from "last played level set" menu
4987             StoreLastPlayedLevels(leveldir_current);
4988           }
4989           else if (game_status == GAME_MODE_NAMES)
4990           {
4991             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4992             {
4993               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
4994
4995               DrawTypeName();
4996
4997               return;
4998             }
4999
5000             // change active user to selected user
5001             user.nr = entry_pos;
5002
5003             // save number of new active user
5004             SaveUserSetup();
5005
5006             // load setup of new active user
5007             LoadSetup();
5008
5009             // load last level set of new active user
5010             LoadLevelSetup_LastSeries();
5011             LoadLevelSetup_SeriesInfo();
5012
5013             // update list of last played level sets
5014             UpdateLastPlayedLevels_TreeInfo();
5015
5016             TapeErase();
5017
5018             ToggleFullscreenIfNeeded();
5019             ChangeWindowScalingIfNeeded();
5020
5021             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5022             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5023             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5024           }
5025
5026           SetGameStatus(GAME_MODE_MAIN);
5027
5028           DrawMainMenu();
5029         }
5030       }
5031     }
5032   }
5033 }
5034
5035 void DrawChoosePlayerName(void)
5036 {
5037   int i;
5038
5039   FadeMenuSoundsAndMusic();
5040
5041   if (player_name != NULL)
5042   {
5043     freeTreeInfo(player_name);
5044
5045     player_name = NULL;
5046   }
5047
5048   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5049   {
5050     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5051     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5052     int value = i;
5053
5054     ti->node_top = &player_name;
5055     ti->sort_priority = 10000 + value;
5056     ti->color = getPlayerNameColor(global.user_names[i]);
5057
5058     snprintf(identifier, sizeof(identifier), "%d", value);
5059     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5060
5061     setString(&ti->identifier, identifier);
5062     setString(&ti->name, name);
5063     setString(&ti->name_sorting, name);
5064
5065     pushTreeInfo(&player_name, ti);
5066   }
5067
5068   // sort player entries by player number
5069   sortTreeInfo(&player_name);
5070
5071   // set current player entry to selected player entry
5072   player_name_current =
5073     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5074
5075   // if that fails, set current player name to first available name
5076   if (player_name_current == NULL)
5077     player_name_current = player_name;
5078
5079   DrawChooseTree(&player_name_current);
5080
5081   PlayMenuSoundsAndMusic();
5082 }
5083
5084 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5085 {
5086   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5087 }
5088
5089 void DrawChooseLevelSet(void)
5090 {
5091   FadeMenuSoundsAndMusic();
5092
5093   DrawChooseTree(&leveldir_current);
5094
5095   PlayMenuSoundsAndMusic();
5096 }
5097
5098 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5099 {
5100   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5101 }
5102
5103 void DrawChooseLevelNr(void)
5104 {
5105   int i;
5106
5107   FadeMenuSoundsAndMusic();
5108
5109   if (level_number != NULL)
5110   {
5111     freeTreeInfo(level_number);
5112
5113     level_number = NULL;
5114   }
5115
5116   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5117   {
5118     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5119     char identifier[32], name[64];
5120     int value = i;
5121
5122     // temporarily load level info to get level name
5123     LoadLevelInfoOnly(i);
5124
5125     ti->node_top = &level_number;
5126     ti->sort_priority = 10000 + value;
5127     ti->color = (level.no_level_file ? FC_BLUE :
5128                  LevelStats_getSolved(i) ? FC_GREEN :
5129                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5130
5131     snprintf(identifier, sizeof(identifier), "%d", value);
5132     snprintf(name, sizeof(name), "%03d: %s", value,
5133              (level.no_level_file ? "(no file)" : level.name));
5134
5135     setString(&ti->identifier, identifier);
5136     setString(&ti->name, name);
5137     setString(&ti->name_sorting, name);
5138
5139     pushTreeInfo(&level_number, ti);
5140   }
5141
5142   // sort level number values to start with lowest level number
5143   sortTreeInfo(&level_number);
5144
5145   // set current level number to current level number
5146   level_number_current =
5147     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5148
5149   // if that also fails, set current level number to first available level
5150   if (level_number_current == NULL)
5151     level_number_current = level_number;
5152
5153   DrawChooseTree(&level_number_current);
5154
5155   PlayMenuSoundsAndMusic();
5156 }
5157
5158 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5159 {
5160   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5161 }
5162
5163 void DrawHallOfFame(int level_nr)
5164 {
5165   int fade_mask = REDRAW_FIELD;
5166
5167   if (CheckFadeAll())
5168     fade_mask = REDRAW_ALL;
5169
5170   UnmapAllGadgets();
5171   FadeMenuSoundsAndMusic();
5172
5173   // (this is needed when called from GameEnd() after winning a game)
5174   KeyboardAutoRepeatOn();
5175
5176   // (this is needed when called from GameEnd() after winning a game)
5177   SetDrawDeactivationMask(REDRAW_NONE);
5178   SetDrawBackgroundMask(REDRAW_FIELD);
5179
5180   LoadLocalAndServerScore(level_nr, TRUE);
5181
5182   if (scores.last_added >= 0)
5183     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5184
5185   FadeSetEnterScreen();
5186
5187   FadeOut(fade_mask);
5188
5189   // needed if different viewport properties defined for scores
5190   ChangeViewportPropertiesIfNeeded();
5191
5192   PlayMenuSoundsAndMusic();
5193
5194   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5195
5196   HandleHallOfFame(level_nr, 0, 0, 0, MB_MENU_INITIALIZE);
5197
5198   DrawMaskedBorder(fade_mask);
5199
5200   FadeIn(fade_mask);
5201 }
5202
5203 static int getHallOfFameFirstEntry(int first_entry, int step)
5204 {
5205   if (step == 0)
5206     first_entry = scores.last_added - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5207   else
5208     first_entry += step;
5209
5210   if (first_entry < 0)
5211     first_entry = 0;
5212   else if (first_entry > MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN)
5213     first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5214
5215   return first_entry;
5216 }
5217
5218 static char *getHallOfFameScoreText(int nr)
5219 {
5220   if (!level.rate_time_over_score)
5221     return int2str(scores.entry[nr].score, 5);  // show normal score
5222
5223   if (level.use_step_counter)
5224     return int2str(scores.entry[nr].time, 5);   // show number of steps
5225
5226   static char score_text[10];
5227   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5228   int mm = (time_seconds / 60) % 60;
5229   int ss = (time_seconds % 60);
5230
5231   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5232
5233   return score_text;
5234 }
5235
5236 static void drawHallOfFameList(int level_nr, int first_entry)
5237 {
5238   int i, j;
5239
5240   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5241   ClearField();
5242
5243   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5244   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5245                     "HighScores of Level %d", level_nr);
5246
5247   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5248   {
5249     int entry = first_entry + i;
5250     boolean active = (entry == scores.last_added);
5251     boolean forced = (scores.force_last_added && active);
5252     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5253     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5254     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5255     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5256     int dxoff = getFontDrawOffsetX(font_nr1);
5257     int dx1 = 3 * getFontWidth(font_nr1);
5258     int dx2 = dx1 + getFontWidth(font_nr1);
5259     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5260     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5261     int sy = mSY + 64 + i * 32;
5262     char *pos_text = (forced ? "???" : int2str(entry + 1, 3));
5263
5264     DrawText(mSX, sy, pos_text, font_nr1);
5265     DrawText(mSX + dx1, sy, ".", font_nr1);
5266
5267     for (j = 0; j < num_dots; j++)
5268       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5269
5270     if (!strEqual(scores.entry[entry].name, EMPTY_PLAYER_NAME))
5271       DrawText(mSX + dx2, sy, scores.entry[entry].name, font_nr2);
5272
5273     DrawText(mSX + dx3, sy, getHallOfFameScoreText(entry), font_nr4);
5274   }
5275
5276   redraw_mask |= REDRAW_FIELD;
5277 }
5278
5279 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5280 {
5281   static int level_nr = 0;
5282   static int first_entry = 0;
5283   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5284
5285   if (button == MB_MENU_INITIALIZE)
5286   {
5287     level_nr = mx;
5288
5289     if (server_scores.updated)
5290     {
5291       // reload scores, using updated server score cache file
5292       LoadLocalAndServerScore(level_nr, FALSE);
5293
5294       server_scores.updated = FALSE;
5295     }
5296
5297     first_entry = getHallOfFameFirstEntry(0, 0);
5298
5299     drawHallOfFameList(level_nr, first_entry);
5300
5301     return;
5302   }
5303
5304   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5305     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5306
5307   if (dy < 0)
5308   {
5309     first_entry = getHallOfFameFirstEntry(first_entry, -step);
5310
5311     drawHallOfFameList(level_nr, first_entry);
5312   }
5313   else if (dy > 0)
5314   {
5315     first_entry = getHallOfFameFirstEntry(first_entry, step);
5316
5317     drawHallOfFameList(level_nr, first_entry);
5318   }
5319   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5320   {
5321     PlaySound(SND_MENU_ITEM_SELECTING);
5322
5323     FadeSound(SND_BACKGROUND_SCORES);
5324
5325     if (button == MB_MENU_CHOICE &&
5326         game_status_last_screen == GAME_MODE_PLAYING &&
5327         setup.auto_play_next_level && setup.increment_levels &&
5328         level_nr < leveldir_current->last_level &&
5329         !network_playing)
5330     {
5331       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5332     }
5333     else
5334     {
5335       SetGameStatus(GAME_MODE_MAIN);
5336
5337       DrawMainMenu();
5338     }
5339   }
5340   else if (server_scores.updated)
5341   {
5342     // reload scores, using updated server score cache file
5343     LoadLocalAndServerScore(level_nr, FALSE);
5344
5345     server_scores.updated = FALSE;
5346
5347     first_entry = getHallOfFameFirstEntry(0, 0);
5348
5349     drawHallOfFameList(level_nr, first_entry);
5350   }
5351
5352   if (game_status == GAME_MODE_SCORES)
5353     PlayMenuSoundIfLoop();
5354 }
5355
5356
5357 // ============================================================================
5358 // setup screen functions
5359 // ============================================================================
5360
5361 static struct TokenInfo *setup_info;
5362 static int num_setup_info;      // number of setup entries shown on screen
5363 static int max_setup_info;      // total number of setup entries in list
5364
5365 static char *window_size_text;
5366 static char *scaling_type_text;
5367 static char *rendering_mode_text;
5368 static char *vsync_mode_text;
5369 static char *scroll_delay_text;
5370 static char *snapshot_mode_text;
5371 static char *game_speed_text;
5372 static char *network_server_text;
5373 static char *graphics_set_name;
5374 static char *sounds_set_name;
5375 static char *music_set_name;
5376 static char *volume_simple_text;
5377 static char *volume_loops_text;
5378 static char *volume_music_text;
5379 static char *touch_controls_text;
5380 static char *move_distance_text;
5381 static char *drop_distance_text;
5382 static char *transparency_text;
5383 static char *grid_size_text[2][2];
5384
5385 static void execSetupMain(void)
5386 {
5387   setup_mode = SETUP_MODE_MAIN;
5388
5389   DrawSetupScreen();
5390 }
5391
5392 static void execSetupGame_setGameSpeeds(boolean update_value)
5393 {
5394   if (setup.game_speed_extended)
5395   {
5396     game_speeds_list = game_speeds_list_extended;
5397     game_speeds      = game_speeds_extended;
5398   }
5399   else
5400   {
5401     game_speeds_list = game_speeds_list_normal;
5402     game_speeds      = game_speeds_normal;
5403   }
5404
5405   if (game_speeds == NULL)
5406   {
5407     int i;
5408
5409     for (i = 0; game_speeds_list[i].value != -1; i++)
5410     {
5411       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5412       char identifier[32], name[32];
5413       int value = game_speeds_list[i].value;
5414       char *text = game_speeds_list[i].text;
5415
5416       ti->node_top = &game_speeds;
5417       ti->sort_priority = 10000 - value;
5418
5419       sprintf(identifier, "%d", value);
5420       sprintf(name, "%s", text);
5421
5422       setString(&ti->identifier, identifier);
5423       setString(&ti->name, name);
5424       setString(&ti->name_sorting, name);
5425       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5426
5427       pushTreeInfo(&game_speeds, ti);
5428     }
5429
5430     // sort game speed values to start with slowest game speed
5431     sortTreeInfo(&game_speeds);
5432
5433     update_value = TRUE;
5434   }
5435
5436   if (update_value)
5437   {
5438     // set current game speed to configured game speed value
5439     game_speed_current =
5440       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5441
5442     // if that fails, set current game speed to reliable default value
5443     if (game_speed_current == NULL)
5444       game_speed_current =
5445         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5446
5447     // if that also fails, set current game speed to first available speed
5448     if (game_speed_current == NULL)
5449       game_speed_current = game_speeds;
5450
5451     if (setup.game_speed_extended)
5452       game_speeds_extended = game_speeds;
5453     else
5454       game_speeds_normal = game_speeds;
5455   }
5456
5457   setup.game_frame_delay = atoi(game_speed_current->identifier);
5458
5459   // needed for displaying game speed text instead of identifier
5460   game_speed_text = game_speed_current->name;
5461 }
5462
5463 static void execSetupGame_setScrollDelays(void)
5464 {
5465   if (scroll_delays == NULL)
5466   {
5467     int i;
5468
5469     for (i = 0; scroll_delays_list[i].value != -1; i++)
5470     {
5471       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5472       char identifier[32], name[32];
5473       int value = scroll_delays_list[i].value;
5474       char *text = scroll_delays_list[i].text;
5475
5476       ti->node_top = &scroll_delays;
5477       ti->sort_priority = value;
5478
5479       sprintf(identifier, "%d", value);
5480       sprintf(name, "%s", text);
5481
5482       setString(&ti->identifier, identifier);
5483       setString(&ti->name, name);
5484       setString(&ti->name_sorting, name);
5485       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5486
5487       pushTreeInfo(&scroll_delays, ti);
5488     }
5489
5490     // sort scroll delay values to start with lowest scroll delay value
5491     sortTreeInfo(&scroll_delays);
5492
5493     // set current scroll delay value to configured scroll delay value
5494     scroll_delay_current =
5495       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5496
5497     // if that fails, set current scroll delay to reliable default value
5498     if (scroll_delay_current == NULL)
5499       scroll_delay_current =
5500         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5501
5502     // if that also fails, set current scroll delay to first available value
5503     if (scroll_delay_current == NULL)
5504       scroll_delay_current = scroll_delays;
5505   }
5506
5507   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5508
5509   // needed for displaying scroll delay text instead of identifier
5510   scroll_delay_text = scroll_delay_current->name;
5511 }
5512
5513 static void execSetupGame_setSnapshotModes(void)
5514 {
5515   if (snapshot_modes == NULL)
5516   {
5517     int i;
5518
5519     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5520     {
5521       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5522       char identifier[32], name[32];
5523       char *value = snapshot_modes_list[i].value;
5524       char *text = snapshot_modes_list[i].text;
5525
5526       ti->node_top = &snapshot_modes;
5527       ti->sort_priority = i;
5528
5529       sprintf(identifier, "%s", value);
5530       sprintf(name, "%s", text);
5531
5532       setString(&ti->identifier, identifier);
5533       setString(&ti->name, name);
5534       setString(&ti->name_sorting, name);
5535       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5536
5537       pushTreeInfo(&snapshot_modes, ti);
5538     }
5539
5540     // sort snapshot mode values to start with lowest snapshot mode value
5541     sortTreeInfo(&snapshot_modes);
5542
5543     // set current snapshot mode value to configured snapshot mode value
5544     snapshot_mode_current =
5545       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5546
5547     // if that fails, set current snapshot mode to reliable default value
5548     if (snapshot_mode_current == NULL)
5549       snapshot_mode_current =
5550         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5551
5552     // if that also fails, set current snapshot mode to first available value
5553     if (snapshot_mode_current == NULL)
5554       snapshot_mode_current = snapshot_modes;
5555   }
5556
5557   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5558
5559   // needed for displaying snapshot mode text instead of identifier
5560   snapshot_mode_text = snapshot_mode_current->name;
5561 }
5562
5563 static void execSetupGame_setNetworkServerText(void)
5564 {
5565   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5566   {
5567     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5568   }
5569   else
5570   {
5571     strncpy(network_server_hostname, setup.network_server_hostname,
5572             MAX_SETUP_TEXT_INPUT_LEN);
5573     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5574   }
5575
5576   // needed for displaying network server text instead of identifier
5577   network_server_text = network_server_hostname;
5578 }
5579
5580 static void execSetupGame(void)
5581 {
5582   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5583
5584   execSetupGame_setGameSpeeds(FALSE);
5585   execSetupGame_setScrollDelays();
5586   execSetupGame_setSnapshotModes();
5587
5588   execSetupGame_setNetworkServerText();
5589
5590   if (!setup.provide_uploading_tapes)
5591     setHideSetupEntry(execOfferUploadTapes);
5592
5593   setup_mode = SETUP_MODE_GAME;
5594
5595   DrawSetupScreen();
5596
5597   // check if vsync needs to be disabled for this game speed to work
5598   if (check_vsync_mode)
5599     DisableVsyncIfNeeded();
5600 }
5601
5602 static void execSetupChooseGameSpeed(void)
5603 {
5604   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5605
5606   DrawSetupScreen();
5607 }
5608
5609 static void execSetupChooseScrollDelay(void)
5610 {
5611   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5612
5613   DrawSetupScreen();
5614 }
5615
5616 static void execSetupChooseSnapshotMode(void)
5617 {
5618   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5619
5620   DrawSetupScreen();
5621 }
5622
5623 static void execSetupEngines(void)
5624 {
5625   setup_mode = SETUP_MODE_ENGINES;
5626
5627   DrawSetupScreen();
5628 }
5629
5630 static void execSetupEditor(void)
5631 {
5632   setup_mode = SETUP_MODE_EDITOR;
5633
5634   DrawSetupScreen();
5635 }
5636
5637 static void execSetupGraphics_setWindowSizes(boolean update_list)
5638 {
5639   if (window_sizes != NULL && update_list)
5640   {
5641     freeTreeInfo(window_sizes);
5642
5643     window_sizes = NULL;
5644   }
5645
5646   if (window_sizes == NULL)
5647   {
5648     boolean current_window_size_found = FALSE;
5649     int i;
5650
5651     for (i = 0; window_sizes_list[i].value != -1; i++)
5652     {
5653       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5654       char identifier[32], name[32];
5655       int value = window_sizes_list[i].value;
5656       char *text = window_sizes_list[i].text;
5657
5658       ti->node_top = &window_sizes;
5659       ti->sort_priority = value;
5660
5661       sprintf(identifier, "%d", value);
5662       sprintf(name, "%s", text);
5663
5664       setString(&ti->identifier, identifier);
5665       setString(&ti->name, name);
5666       setString(&ti->name_sorting, name);
5667       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5668
5669       pushTreeInfo(&window_sizes, ti);
5670
5671       if (value == setup.window_scaling_percent)
5672         current_window_size_found = TRUE;
5673     }
5674
5675     if (!current_window_size_found)
5676     {
5677       // add entry for non-preset window scaling value
5678
5679       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5680       char identifier[32], name[32];
5681       int value = setup.window_scaling_percent;
5682
5683       ti->node_top = &window_sizes;
5684       ti->sort_priority = value;
5685
5686       sprintf(identifier, "%d", value);
5687       sprintf(name, "%d %% (Current)", value);
5688
5689       setString(&ti->identifier, identifier);
5690       setString(&ti->name, name);
5691       setString(&ti->name_sorting, name);
5692       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5693
5694       pushTreeInfo(&window_sizes, ti);
5695     }
5696
5697     // sort window size values to start with lowest window size value
5698     sortTreeInfo(&window_sizes);
5699
5700     // set current window size value to configured window size value
5701     window_size_current =
5702       getTreeInfoFromIdentifier(window_sizes,
5703                                 i_to_a(setup.window_scaling_percent));
5704
5705     // if that fails, set current window size to reliable default value
5706     if (window_size_current == NULL)
5707       window_size_current =
5708         getTreeInfoFromIdentifier(window_sizes,
5709                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5710
5711     // if that also fails, set current window size to first available value
5712     if (window_size_current == NULL)
5713       window_size_current = window_sizes;
5714   }
5715
5716   setup.window_scaling_percent = atoi(window_size_current->identifier);
5717
5718   // needed for displaying window size text instead of identifier
5719   window_size_text = window_size_current->name;
5720 }
5721
5722 static void execSetupGraphics_setScalingTypes(void)
5723 {
5724   if (scaling_types == NULL)
5725   {
5726     int i;
5727
5728     for (i = 0; scaling_types_list[i].value != NULL; i++)
5729     {
5730       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5731       char identifier[32], name[32];
5732       char *value = scaling_types_list[i].value;
5733       char *text = scaling_types_list[i].text;
5734
5735       ti->node_top = &scaling_types;
5736       ti->sort_priority = i;
5737
5738       sprintf(identifier, "%s", value);
5739       sprintf(name, "%s", text);
5740
5741       setString(&ti->identifier, identifier);
5742       setString(&ti->name, name);
5743       setString(&ti->name_sorting, name);
5744       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5745
5746       pushTreeInfo(&scaling_types, ti);
5747     }
5748
5749     // sort scaling type values to start with lowest scaling type value
5750     sortTreeInfo(&scaling_types);
5751
5752     // set current scaling type value to configured scaling type value
5753     scaling_type_current =
5754       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5755
5756     // if that fails, set current scaling type to reliable default value
5757     if (scaling_type_current == NULL)
5758       scaling_type_current =
5759         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5760
5761     // if that also fails, set current scaling type to first available value
5762     if (scaling_type_current == NULL)
5763       scaling_type_current = scaling_types;
5764   }
5765
5766   setup.window_scaling_quality = scaling_type_current->identifier;
5767
5768   // needed for displaying scaling type text instead of identifier
5769   scaling_type_text = scaling_type_current->name;
5770 }
5771
5772 static void execSetupGraphics_setRenderingModes(void)
5773 {
5774   if (rendering_modes == NULL)
5775   {
5776     int i;
5777
5778     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5779     {
5780       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5781       char identifier[32], name[32];
5782       char *value = rendering_modes_list[i].value;
5783       char *text = rendering_modes_list[i].text;
5784
5785       ti->node_top = &rendering_modes;
5786       ti->sort_priority = i;
5787
5788       sprintf(identifier, "%s", value);
5789       sprintf(name, "%s", text);
5790
5791       setString(&ti->identifier, identifier);
5792       setString(&ti->name, name);
5793       setString(&ti->name_sorting, name);
5794       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5795
5796       pushTreeInfo(&rendering_modes, ti);
5797     }
5798
5799     // sort rendering mode values to start with lowest rendering mode value
5800     sortTreeInfo(&rendering_modes);
5801
5802     // set current rendering mode value to configured rendering mode value
5803     rendering_mode_current =
5804       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5805
5806     // if that fails, set current rendering mode to reliable default value
5807     if (rendering_mode_current == NULL)
5808       rendering_mode_current =
5809         getTreeInfoFromIdentifier(rendering_modes,
5810                                   STR_SPECIAL_RENDERING_DEFAULT);
5811
5812     // if that also fails, set current rendering mode to first available one
5813     if (rendering_mode_current == NULL)
5814       rendering_mode_current = rendering_modes;
5815   }
5816
5817   setup.screen_rendering_mode = rendering_mode_current->identifier;
5818
5819   // needed for displaying rendering mode text instead of identifier
5820   rendering_mode_text = rendering_mode_current->name;
5821 }
5822
5823 static void execSetupGraphics_setVsyncModes(boolean update_value)
5824 {
5825   if (vsync_modes == NULL)
5826   {
5827     int i;
5828
5829     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5830     {
5831       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5832       char identifier[32], name[32];
5833       char *value = vsync_modes_list[i].value;
5834       char *text = vsync_modes_list[i].text;
5835
5836       ti->node_top = &vsync_modes;
5837       ti->sort_priority = i;
5838
5839       sprintf(identifier, "%s", value);
5840       sprintf(name, "%s", text);
5841
5842       setString(&ti->identifier, identifier);
5843       setString(&ti->name, name);
5844       setString(&ti->name_sorting, name);
5845       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5846
5847       pushTreeInfo(&vsync_modes, ti);
5848     }
5849
5850     // sort vsync mode values to start with lowest vsync mode value
5851     sortTreeInfo(&vsync_modes);
5852
5853     update_value = TRUE;
5854   }
5855
5856   if (update_value)
5857   {
5858     // set current vsync mode value to configured vsync mode value
5859     vsync_mode_current =
5860       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5861
5862     // if that fails, set current vsync mode to reliable default value
5863     if (vsync_mode_current == NULL)
5864       vsync_mode_current =
5865         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5866
5867     // if that also fails, set current vsync mode to first available one
5868     if (vsync_mode_current == NULL)
5869       vsync_mode_current = vsync_modes;
5870   }
5871
5872   setup.vsync_mode = vsync_mode_current->identifier;
5873
5874   // needed for displaying vsync mode text instead of identifier
5875   vsync_mode_text = vsync_mode_current->name;
5876 }
5877
5878 static void execSetupGraphics(void)
5879 {
5880   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5881
5882   // update "setup.window_scaling_percent" from list selection
5883   // (in this case, window scaling was changed on setup screen)
5884   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5885     execSetupGraphics_setWindowSizes(FALSE);
5886
5887   // update "setup.vsync_mode" from list selection
5888   // (in this case, vsync mode was changed on setup screen)
5889   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5890     execSetupGraphics_setVsyncModes(FALSE);
5891
5892   // update list selection from "setup.window_scaling_percent"
5893   // (window scaling may have changed by resizing the window)
5894   execSetupGraphics_setWindowSizes(TRUE);
5895
5896   // update list selection from "setup.vsync_mode"
5897   // (vsync_mode may have changed by re-creating the renderer)
5898   execSetupGraphics_setVsyncModes(TRUE);
5899
5900   execSetupGraphics_setScalingTypes();
5901   execSetupGraphics_setRenderingModes();
5902
5903   setup_mode = SETUP_MODE_GRAPHICS;
5904
5905   DrawSetupScreen();
5906
5907   // check if game speed is high enough for 60 Hz vsync to work
5908   if (check_game_speed)
5909     ModifyGameSpeedIfNeeded();
5910
5911   // window scaling may have changed at this point
5912   ChangeWindowScalingIfNeeded();
5913
5914   // window scaling quality may have changed at this point
5915   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5916     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5917
5918   // screen rendering mode may have changed at this point
5919   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5920
5921   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
5922   int video_vsync_mode = video.vsync_mode;
5923
5924   // screen vsync mode may have changed at this point
5925   ChangeVsyncModeIfNeeded();
5926
5927   // check if setting vsync mode to selected value failed
5928   if (setup_vsync_mode != video_vsync_mode &&
5929       setup_vsync_mode != video.vsync_mode)
5930   {
5931     // changing vsync mode to selected value failed -- reset displayed value
5932     execSetupGraphics_setVsyncModes(TRUE);
5933
5934     Request("Setting VSync failed!", REQ_CONFIRM);
5935
5936     DrawSetupScreen();
5937   }
5938 }
5939
5940 static void execSetupChooseWindowSize(void)
5941 {
5942   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
5943
5944   DrawSetupScreen();
5945 }
5946
5947 static void execSetupChooseScalingType(void)
5948 {
5949   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
5950
5951   DrawSetupScreen();
5952 }
5953
5954 static void execSetupChooseRenderingMode(void)
5955 {
5956   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
5957
5958   DrawSetupScreen();
5959 }
5960
5961 static void execSetupChooseVsyncMode(void)
5962 {
5963   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
5964
5965   DrawSetupScreen();
5966 }
5967
5968 static void execSetupChooseVolumeSimple(void)
5969 {
5970   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
5971
5972   DrawSetupScreen();
5973 }
5974
5975 static void execSetupChooseVolumeLoops(void)
5976 {
5977   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
5978
5979   DrawSetupScreen();
5980 }
5981
5982 static void execSetupChooseVolumeMusic(void)
5983 {
5984   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
5985
5986   DrawSetupScreen();
5987 }
5988
5989 static void execSetupSound(void)
5990 {
5991   if (volumes_simple == NULL)
5992   {
5993     boolean current_volume_simple_found = FALSE;
5994     int i;
5995
5996     for (i = 0; volumes_list[i].value != -1; i++)
5997     {
5998       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5999       char identifier[32], name[32];
6000       int value = volumes_list[i].value;
6001       char *text = volumes_list[i].text;
6002
6003       ti->node_top = &volumes_simple;
6004       ti->sort_priority = value;
6005
6006       sprintf(identifier, "%d", value);
6007       sprintf(name, "%s", text);
6008
6009       setString(&ti->identifier, identifier);
6010       setString(&ti->name, name);
6011       setString(&ti->name_sorting, name);
6012       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6013
6014       pushTreeInfo(&volumes_simple, ti);
6015
6016       if (value == setup.volume_simple)
6017         current_volume_simple_found = TRUE;
6018     }
6019
6020     if (!current_volume_simple_found)
6021     {
6022       // add entry for non-preset volume value
6023
6024       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6025       char identifier[32], name[32];
6026       int value = setup.volume_simple;
6027
6028       ti->node_top = &volumes_simple;
6029       ti->sort_priority = value;
6030
6031       sprintf(identifier, "%d", value);
6032       sprintf(name, "%d %% (Current)", value);
6033
6034       setString(&ti->identifier, identifier);
6035       setString(&ti->name, name);
6036       setString(&ti->name_sorting, name);
6037       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6038
6039       pushTreeInfo(&volumes_simple, ti);
6040     }
6041
6042     // sort volume values to start with lowest volume value
6043     sortTreeInfo(&volumes_simple);
6044
6045     // set current volume value to configured volume value
6046     volume_simple_current =
6047       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6048
6049     // if that fails, set current volume to reliable default value
6050     if (volume_simple_current == NULL)
6051       volume_simple_current =
6052         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6053
6054     // if that also fails, set current volume to first available value
6055     if (volume_simple_current == NULL)
6056       volume_simple_current = volumes_simple;
6057   }
6058
6059   if (volumes_loops == NULL)
6060   {
6061     boolean current_volume_loops_found = FALSE;
6062     int i;
6063
6064     for (i = 0; volumes_list[i].value != -1; i++)
6065     {
6066       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6067       char identifier[32], name[32];
6068       int value = volumes_list[i].value;
6069       char *text = volumes_list[i].text;
6070
6071       ti->node_top = &volumes_loops;
6072       ti->sort_priority = value;
6073
6074       sprintf(identifier, "%d", value);
6075       sprintf(name, "%s", text);
6076
6077       setString(&ti->identifier, identifier);
6078       setString(&ti->name, name);
6079       setString(&ti->name_sorting, name);
6080       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6081
6082       pushTreeInfo(&volumes_loops, ti);
6083
6084       if (value == setup.volume_loops)
6085         current_volume_loops_found = TRUE;
6086     }
6087
6088     if (!current_volume_loops_found)
6089     {
6090       // add entry for non-preset volume value
6091
6092       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6093       char identifier[32], name[32];
6094       int value = setup.volume_loops;
6095
6096       ti->node_top = &volumes_loops;
6097       ti->sort_priority = value;
6098
6099       sprintf(identifier, "%d", value);
6100       sprintf(name, "%d %% (Current)", value);
6101
6102       setString(&ti->identifier, identifier);
6103       setString(&ti->name, name);
6104       setString(&ti->name_sorting, name);
6105       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6106
6107       pushTreeInfo(&volumes_loops, ti);
6108     }
6109
6110     // sort volume values to start with lowest volume value
6111     sortTreeInfo(&volumes_loops);
6112
6113     // set current volume value to configured volume value
6114     volume_loops_current =
6115       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6116
6117     // if that fails, set current volume to reliable default value
6118     if (volume_loops_current == NULL)
6119       volume_loops_current =
6120         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6121
6122     // if that also fails, set current volume to first available value
6123     if (volume_loops_current == NULL)
6124       volume_loops_current = volumes_loops;
6125   }
6126
6127   if (volumes_music == NULL)
6128   {
6129     boolean current_volume_music_found = FALSE;
6130     int i;
6131
6132     for (i = 0; volumes_list[i].value != -1; i++)
6133     {
6134       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6135       char identifier[32], name[32];
6136       int value = volumes_list[i].value;
6137       char *text = volumes_list[i].text;
6138
6139       ti->node_top = &volumes_music;
6140       ti->sort_priority = value;
6141
6142       sprintf(identifier, "%d", value);
6143       sprintf(name, "%s", text);
6144
6145       setString(&ti->identifier, identifier);
6146       setString(&ti->name, name);
6147       setString(&ti->name_sorting, name);
6148       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6149
6150       pushTreeInfo(&volumes_music, ti);
6151
6152       if (value == setup.volume_music)
6153         current_volume_music_found = TRUE;
6154     }
6155
6156     if (!current_volume_music_found)
6157     {
6158       // add entry for non-preset volume value
6159
6160       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6161       char identifier[32], name[32];
6162       int value = setup.volume_music;
6163
6164       ti->node_top = &volumes_music;
6165       ti->sort_priority = value;
6166
6167       sprintf(identifier, "%d", value);
6168       sprintf(name, "%d %% (Current)", value);
6169
6170       setString(&ti->identifier, identifier);
6171       setString(&ti->name, name);
6172       setString(&ti->name_sorting, name);
6173       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6174
6175       pushTreeInfo(&volumes_music, ti);
6176     }
6177
6178     // sort volume values to start with lowest volume value
6179     sortTreeInfo(&volumes_music);
6180
6181     // set current volume value to configured volume value
6182     volume_music_current =
6183       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6184
6185     // if that fails, set current volume to reliable default value
6186     if (volume_music_current == NULL)
6187       volume_music_current =
6188         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6189
6190     // if that also fails, set current volume to first available value
6191     if (volume_music_current == NULL)
6192       volume_music_current = volumes_music;
6193   }
6194
6195   setup.volume_simple = atoi(volume_simple_current->identifier);
6196   setup.volume_loops  = atoi(volume_loops_current->identifier);
6197   setup.volume_music  = atoi(volume_music_current->identifier);
6198
6199   // needed for displaying volume text instead of identifier
6200   volume_simple_text = volume_simple_current->name;
6201   volume_loops_text = volume_loops_current->name;
6202   volume_music_text = volume_music_current->name;
6203
6204   setup_mode = SETUP_MODE_SOUND;
6205
6206   DrawSetupScreen();
6207 }
6208
6209 static void execSetupChooseTouchControls(void)
6210 {
6211   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6212
6213   DrawSetupScreen();
6214 }
6215
6216 static void execSetupChooseMoveDistance(void)
6217 {
6218   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6219
6220   DrawSetupScreen();
6221 }
6222
6223 static void execSetupChooseDropDistance(void)
6224 {
6225   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6226
6227   DrawSetupScreen();
6228 }
6229
6230 static void execSetupChooseTransparency(void)
6231 {
6232   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6233
6234   DrawSetupScreen();
6235 }
6236
6237 static void execSetupChooseGridXSize_0(void)
6238 {
6239   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6240
6241   DrawSetupScreen();
6242 }
6243
6244 static void execSetupChooseGridYSize_0(void)
6245 {
6246   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6247
6248   DrawSetupScreen();
6249 }
6250
6251 static void execSetupChooseGridXSize_1(void)
6252 {
6253   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6254
6255   DrawSetupScreen();
6256 }
6257
6258 static void execSetupChooseGridYSize_1(void)
6259 {
6260   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6261
6262   DrawSetupScreen();
6263 }
6264
6265 static void execSetupConfigureVirtualButtons(void)
6266 {
6267   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6268
6269   ConfigureVirtualButtons();
6270
6271   setup_mode = SETUP_MODE_TOUCH;
6272
6273   DrawSetupScreen();
6274 }
6275
6276 static void execSetupTouch(void)
6277 {
6278   int i, j, k;
6279
6280   if (touch_controls == NULL)
6281   {
6282     for (i = 0; touch_controls_list[i].value != NULL; i++)
6283     {
6284       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6285       char identifier[32], name[32];
6286       char *value = touch_controls_list[i].value;
6287       char *text = touch_controls_list[i].text;
6288
6289       ti->node_top = &touch_controls;
6290       ti->sort_priority = i;
6291
6292       sprintf(identifier, "%s", value);
6293       sprintf(name, "%s", text);
6294
6295       setString(&ti->identifier, identifier);
6296       setString(&ti->name, name);
6297       setString(&ti->name_sorting, name);
6298       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6299
6300       pushTreeInfo(&touch_controls, ti);
6301     }
6302
6303     // sort touch control values to start with lowest touch control value
6304     sortTreeInfo(&touch_controls);
6305
6306     // set current touch control value to configured touch control value
6307     touch_control_current =
6308       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6309
6310     // if that fails, set current touch control to reliable default value
6311     if (touch_control_current == NULL)
6312       touch_control_current =
6313         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6314
6315     // if that also fails, set current touch control to first available value
6316     if (touch_control_current == NULL)
6317       touch_control_current = touch_controls;
6318   }
6319
6320   if (move_distances == NULL)
6321   {
6322     for (i = 0; distances_list[i].value != -1; i++)
6323     {
6324       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6325       char identifier[32], name[32];
6326       int value = distances_list[i].value;
6327       char *text = distances_list[i].text;
6328
6329       ti->node_top = &move_distances;
6330       ti->sort_priority = value;
6331
6332       sprintf(identifier, "%d", value);
6333       sprintf(name, "%s", text);
6334
6335       setString(&ti->identifier, identifier);
6336       setString(&ti->name, name);
6337       setString(&ti->name_sorting, name);
6338       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6339
6340       pushTreeInfo(&move_distances, ti);
6341     }
6342
6343     // sort distance values to start with lowest distance value
6344     sortTreeInfo(&move_distances);
6345
6346     // set current distance value to configured distance value
6347     move_distance_current =
6348       getTreeInfoFromIdentifier(move_distances,
6349                                 i_to_a(setup.touch.move_distance));
6350
6351     // if that fails, set current distance to reliable default value
6352     if (move_distance_current == NULL)
6353       move_distance_current =
6354         getTreeInfoFromIdentifier(move_distances,
6355                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6356
6357     // if that also fails, set current distance to first available value
6358     if (move_distance_current == NULL)
6359       move_distance_current = move_distances;
6360   }
6361
6362   if (drop_distances == NULL)
6363   {
6364     for (i = 0; distances_list[i].value != -1; i++)
6365     {
6366       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6367       char identifier[32], name[32];
6368       int value = distances_list[i].value;
6369       char *text = distances_list[i].text;
6370
6371       ti->node_top = &drop_distances;
6372       ti->sort_priority = value;
6373
6374       sprintf(identifier, "%d", value);
6375       sprintf(name, "%s", text);
6376
6377       setString(&ti->identifier, identifier);
6378       setString(&ti->name, name);
6379       setString(&ti->name_sorting, name);
6380       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6381
6382       pushTreeInfo(&drop_distances, ti);
6383     }
6384
6385     // sort distance values to start with lowest distance value
6386     sortTreeInfo(&drop_distances);
6387
6388     // set current distance value to configured distance value
6389     drop_distance_current =
6390       getTreeInfoFromIdentifier(drop_distances,
6391                                 i_to_a(setup.touch.drop_distance));
6392
6393     // if that fails, set current distance to reliable default value
6394     if (drop_distance_current == NULL)
6395       drop_distance_current =
6396         getTreeInfoFromIdentifier(drop_distances,
6397                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6398
6399     // if that also fails, set current distance to first available value
6400     if (drop_distance_current == NULL)
6401       drop_distance_current = drop_distances;
6402   }
6403
6404   if (transparencies == NULL)
6405   {
6406     for (i = 0; transparencies_list[i].value != -1; i++)
6407     {
6408       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6409       char identifier[32], name[32];
6410       int value = transparencies_list[i].value;
6411       char *text = transparencies_list[i].text;
6412
6413       ti->node_top = &transparencies;
6414       ti->sort_priority = value;
6415
6416       sprintf(identifier, "%d", value);
6417       sprintf(name, "%s", text);
6418
6419       setString(&ti->identifier, identifier);
6420       setString(&ti->name, name);
6421       setString(&ti->name_sorting, name);
6422       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6423
6424       pushTreeInfo(&transparencies, ti);
6425     }
6426
6427     // sort transparency values to start with lowest transparency value
6428     sortTreeInfo(&transparencies);
6429
6430     // set current transparency value to configured transparency value
6431     transparency_current =
6432       getTreeInfoFromIdentifier(transparencies,
6433                                 i_to_a(setup.touch.transparency));
6434
6435     // if that fails, set current transparency to reliable default value
6436     if (transparency_current == NULL)
6437       transparency_current =
6438         getTreeInfoFromIdentifier(transparencies,
6439                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6440
6441     // if that also fails, set current transparency to first available value
6442     if (transparency_current == NULL)
6443       transparency_current = transparencies;
6444   }
6445
6446   for (i = 0; i < 2; i++)
6447   {
6448     for (j = 0; j < 2; j++)
6449     {
6450       if (grid_sizes[i][j] == NULL)
6451       {
6452         for (k = 0; grid_sizes_list[k].value != -1; k++)
6453         {
6454           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6455           char identifier[32], name[32];
6456           int value = grid_sizes_list[k].value;
6457           char *text = grid_sizes_list[k].text;
6458
6459           ti->node_top = &grid_sizes[i][j];
6460           ti->sort_priority = value;
6461
6462           sprintf(identifier, "%d", value);
6463           sprintf(name, "%s", text);
6464
6465           setString(&ti->identifier, identifier);
6466           setString(&ti->name, name);
6467           setString(&ti->name_sorting, name);
6468           setString(&ti->infotext,
6469                     (i == 0 ?
6470                      (j == 0 ?
6471                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6472                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6473                      (j == 0 ?
6474                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6475                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6476
6477           pushTreeInfo(&grid_sizes[i][j], ti);
6478         }
6479
6480         // sort grid size values to start with lowest grid size value
6481         sortTreeInfo(&grid_sizes[i][j]);
6482
6483         // set current grid size value to configured grid size value
6484         grid_size_current[i][j] =
6485           getTreeInfoFromIdentifier(grid_sizes[i][j],
6486                                     i_to_a(j == 0 ?
6487                                            setup.touch.grid_xsize[i] :
6488                                            setup.touch.grid_ysize[i]));
6489
6490         // if that fails, set current grid size to reliable default value
6491         if (grid_size_current[i][j] == NULL)
6492           grid_size_current[i][j] =
6493             getTreeInfoFromIdentifier(grid_sizes[i][j],
6494                                       i_to_a(j == 0 ?
6495                                              DEFAULT_GRID_XSIZE(i) :
6496                                              DEFAULT_GRID_YSIZE(i)));
6497
6498         // if that also fails, set current grid size to first available value
6499         if (grid_size_current[i][j] == NULL)
6500           grid_size_current[i][j] = grid_sizes[i][j];
6501       }
6502     }
6503   }
6504
6505   setup.touch.control_type = touch_control_current->identifier;
6506   setup.touch.move_distance = atoi(move_distance_current->identifier);
6507   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6508   setup.touch.transparency = atoi(transparency_current->identifier);
6509
6510   for (i = 0; i < 2; i++)
6511   {
6512     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6513     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6514
6515     if (i == GRID_ACTIVE_NR())
6516     {
6517       overlay.grid_xsize = setup.touch.grid_xsize[i];
6518       overlay.grid_ysize = setup.touch.grid_ysize[i];
6519     }
6520   }
6521
6522   // needed for displaying value text instead of identifier
6523   touch_controls_text = touch_control_current->name;
6524   move_distance_text = move_distance_current->name;
6525   drop_distance_text = drop_distance_current->name;
6526   transparency_text = transparency_current->name;
6527
6528   for (i = 0; i < 2; i++)
6529     for (j = 0; j < 2; j++)
6530       grid_size_text[i][j] = grid_size_current[i][j]->name;
6531
6532   setup_mode = SETUP_MODE_TOUCH;
6533
6534   DrawSetupScreen();
6535 }
6536
6537 static void execSetupArtwork(void)
6538 {
6539   static ArtworkDirTree *gfx_last_valid = NULL;
6540   static ArtworkDirTree *snd_last_valid = NULL;
6541   static ArtworkDirTree *mus_last_valid = NULL;
6542
6543   // current artwork directory may be invalid (level group, parent link)
6544   if (!validLevelSeries(artwork.gfx_current))
6545     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6546   if (!validLevelSeries(artwork.snd_current))
6547     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6548   if (!validLevelSeries(artwork.mus_current))
6549     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6550
6551   // store valid artwork directory information
6552   gfx_last_valid = artwork.gfx_current;
6553   snd_last_valid = artwork.snd_current;
6554   mus_last_valid = artwork.mus_current;
6555
6556 #if 0
6557   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6558         artwork.gfx_current->subdir,
6559         artwork.gfx_current->fullpath,
6560         artwork.gfx_current->basepath);
6561 #endif
6562
6563   setup.graphics_set = artwork.gfx_current->identifier;
6564   setup.sounds_set = artwork.snd_current->identifier;
6565   setup.music_set = artwork.mus_current->identifier;
6566
6567   // needed if last screen (setup choice) changed graphics, sounds or music
6568   ReloadCustomArtwork(0);
6569
6570   // needed for displaying artwork name instead of artwork identifier
6571   graphics_set_name = artwork.gfx_current->name;
6572   sounds_set_name = artwork.snd_current->name;
6573   music_set_name = artwork.mus_current->name;
6574
6575   setup_mode = SETUP_MODE_ARTWORK;
6576
6577   DrawSetupScreen();
6578 }
6579
6580 static void execSetupChooseGraphics(void)
6581 {
6582   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6583
6584   DrawSetupScreen();
6585 }
6586
6587 static void execSetupChooseSounds(void)
6588 {
6589   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6590
6591   DrawSetupScreen();
6592 }
6593
6594 static void execSetupChooseMusic(void)
6595 {
6596   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6597
6598   DrawSetupScreen();
6599 }
6600
6601 static void execSetupInput(void)
6602 {
6603   setup_mode = SETUP_MODE_INPUT;
6604
6605   DrawSetupScreen();
6606 }
6607
6608 static void execSetupShortcuts(void)
6609 {
6610   setup_mode = SETUP_MODE_SHORTCUTS;
6611
6612   DrawSetupScreen();
6613 }
6614
6615 static void execSetupShortcuts1(void)
6616 {
6617   setup_mode = SETUP_MODE_SHORTCUTS_1;
6618
6619   DrawSetupScreen();
6620 }
6621
6622 static void execSetupShortcuts2(void)
6623 {
6624   setup_mode = SETUP_MODE_SHORTCUTS_2;
6625
6626   DrawSetupScreen();
6627 }
6628
6629 static void execSetupShortcuts3(void)
6630 {
6631   setup_mode = SETUP_MODE_SHORTCUTS_3;
6632
6633   DrawSetupScreen();
6634 }
6635
6636 static void execSetupShortcuts4(void)
6637 {
6638   setup_mode = SETUP_MODE_SHORTCUTS_4;
6639
6640   DrawSetupScreen();
6641 }
6642
6643 static void execSetupShortcuts5(void)
6644 {
6645   setup_mode = SETUP_MODE_SHORTCUTS_5;
6646
6647   DrawSetupScreen();
6648 }
6649
6650 static void execExitSetup(void)
6651 {
6652   SetGameStatus(GAME_MODE_MAIN);
6653
6654   DrawMainMenu();
6655 }
6656
6657 static void execSaveAndExitSetup(void)
6658 {
6659   SaveSetup();
6660   execExitSetup();
6661 }
6662
6663 static void execGadgetNetworkServer(void)
6664 {
6665   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6666   struct GadgetInfo *gi = screen_gadget[gadget_id];
6667
6668   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6669     network_server_hostname[0] = '\0';
6670
6671   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6672
6673   MapGadget(gi);
6674
6675   ClickOnGadget(gi, MB_LEFTBUTTON);
6676 }
6677
6678 static void execOfferUploadTapes(void)
6679 {
6680   OfferUploadTapes();
6681 }
6682
6683 static void ToggleNetworkModeIfNeeded(void)
6684 {
6685   int font_title = FONT_TITLE_1;
6686   int font_foot = FC_BLUE;
6687   int ystart  = mSY - SY + 16;
6688   int ybottom = mSY - SY + SYSIZE - 20;
6689   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6690
6691   if (setup.network_mode == network.enabled)
6692     return;
6693
6694   network.enabled = setup.network_mode;
6695
6696   FadeOut(REDRAW_ALL);
6697
6698   ClearField();
6699
6700   DrawTextSCentered(ystart, font_title, text);
6701
6702   FadeIn(REDRAW_ALL);
6703
6704   if (network.enabled)
6705     InitNetworkServer();
6706   else
6707     DisconnectFromNetworkServer();
6708
6709   DrawTextSCentered(ybottom, font_foot,
6710                     "Press any key or button for setup menu");
6711
6712   WaitForEventToContinue();
6713
6714   DrawSetupScreen();
6715 }
6716
6717 static void ToggleGameSpeedsListIfNeeded(void)
6718 {
6719   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6720
6721   if (setup.game_speed_extended == using_game_speeds_extended)
6722     return;
6723
6724   // try to match similar values when changing game speeds list
6725   if (setup.game_speed_extended)
6726     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6727                               setup.game_frame_delay == 30 ? 29 :
6728                               setup.game_frame_delay);
6729   else
6730     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6731                               setup.game_frame_delay == 16 ? 15 :
6732                               setup.game_frame_delay >= 29 ? 30 :
6733                               setup.game_frame_delay <= 10 ? 10 :
6734                               setup.game_frame_delay);
6735
6736   execSetupGame_setGameSpeeds(TRUE);
6737
6738   DrawSetupScreen();
6739 }
6740
6741 static void ModifyGameSpeedIfNeeded(void)
6742 {
6743   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6744       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6745     return;
6746
6747   char message[100];
6748   char *game_speed_text = "Fast";
6749   int game_speed_value = 15;
6750
6751   if (setup.game_speed_extended)
6752   {
6753     game_speed_text = "60 fps";
6754     game_speed_value = 16;
6755   }
6756
6757   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6758
6759   // set game speed to existing list value that is fast enough for vsync
6760   setup.game_frame_delay = game_speed_value;
6761
6762   execSetupGame_setGameSpeeds(TRUE);
6763
6764   Request(message, REQ_CONFIRM);
6765 }
6766
6767 static void DisableVsyncIfNeeded(void)
6768 {
6769   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6770       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6771        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6772     return;
6773
6774   // disable vsync for the selected game speed to work
6775   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6776
6777   execSetupGraphics_setVsyncModes(TRUE);
6778
6779   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6780 }
6781
6782 static struct
6783 {
6784   void *value;
6785   void *related_value;
6786 } hide_related_entry_list[] =
6787 {
6788   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6789   { &setup.game_frame_delay,            &game_speed_text                },
6790
6791   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6792   { &setup.scroll_delay_value,          &scroll_delay_text              },
6793
6794   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6795   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6796
6797   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6798   { &setup.window_scaling_percent,      &window_size_text               },
6799
6800   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6801   { &setup.window_scaling_quality,      &scaling_type_text              },
6802
6803   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6804   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6805
6806   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6807   { &setup.vsync_mode,                  &vsync_mode_text                },
6808
6809   { &setup.graphics_set,                execSetupChooseGraphics         },
6810   { &setup.graphics_set,                &graphics_set_name              },
6811
6812   { &setup.sounds_set,                  execSetupChooseSounds           },
6813   { &setup.sounds_set,                  &sounds_set_name                },
6814
6815   { &setup.music_set,                   execSetupChooseMusic            },
6816   { &setup.music_set,                   &music_set_name                 },
6817
6818   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6819   { &setup.volume_simple,               &volume_simple_text             },
6820
6821   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6822   { &setup.volume_loops,                &volume_loops_text              },
6823
6824   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6825   { &setup.volume_music,                &volume_music_text              },
6826
6827   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6828   { &setup.touch.control_type,          &touch_controls_text            },
6829
6830   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6831   { &setup.touch.move_distance,         &move_distance_text             },
6832
6833   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6834   { &setup.touch.drop_distance,         &drop_distance_text             },
6835
6836   { &setup.touch.transparency,          execSetupChooseTransparency     },
6837   { &setup.touch.transparency,          &transparency_text              },
6838
6839   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6840   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6841
6842   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6843   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6844
6845   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6846   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6847
6848   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6849   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6850
6851   { &setup.internal.menu_game,          execSetupGame                   },
6852   { &setup.internal.menu_engines,       execSetupEngines                },
6853   { &setup.internal.menu_editor,        execSetupEditor                 },
6854   { &setup.internal.menu_graphics,      execSetupGraphics               },
6855   { &setup.internal.menu_sound,         execSetupSound                  },
6856   { &setup.internal.menu_artwork,       execSetupArtwork                },
6857   { &setup.internal.menu_input,         execSetupInput                  },
6858   { &setup.internal.menu_touch,         execSetupTouch                  },
6859   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6860   { &setup.internal.menu_exit,          execExitSetup                   },
6861   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6862
6863   { NULL,                               NULL                            }
6864 };
6865
6866 void setHideRelatedSetupEntries(void)
6867 {
6868   int i;
6869
6870   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6871     if (hideSetupEntry(hide_related_entry_list[i].value))
6872       setHideSetupEntry(hide_related_entry_list[i].related_value);
6873 }
6874
6875 static struct TokenInfo setup_info_main[] =
6876 {
6877   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6878   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6879   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6880   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6881   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6882   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6883   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6884   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6885   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6886   { TYPE_EMPTY,         NULL,                   ""                      },
6887   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6888   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6889
6890   { 0,                  NULL,                   NULL                    }
6891 };
6892
6893 static struct TokenInfo setup_info_game[] =
6894 {
6895   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6896   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6897   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6898   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6899   { TYPE_STRING,        &network_server_text,   ""                      },
6900   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
6901   { TYPE_SWITCH,        &setup.only_show_local_scores, "Only Show Local Scores:" },
6902   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload All Tapes to Server" },
6903   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6904   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6905   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6906   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6907   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6908   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6909   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6910   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6911   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6912   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6913   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
6914   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
6915   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6916   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6917   { TYPE_STRING,        &game_speed_text,       ""                      },
6918   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6919 #if 1
6920   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6921   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6922 #endif
6923   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
6924   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
6925   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
6926   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
6927   { TYPE_EMPTY,         NULL,                   ""                      },
6928   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6929
6930   { 0,                  NULL,                   NULL                    }
6931 };
6932
6933 static struct TokenInfo setup_info_engines[] =
6934 {
6935   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
6936   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
6937   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
6938   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
6939   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
6940   { TYPE_EMPTY,         NULL,                   ""                      },
6941   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
6942   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
6943   { TYPE_EMPTY,         NULL,                   ""                      },
6944   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6945
6946   { 0,                  NULL,                   NULL                    }
6947 };
6948
6949 static struct TokenInfo setup_info_editor[] =
6950 {
6951 #if 0
6952   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
6953   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
6954   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
6955   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
6956   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
6957   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
6958   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
6959   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
6960   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
6961   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
6962 #endif
6963   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
6964   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
6965 #if 0
6966   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
6967 #endif
6968   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
6969   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
6970   { TYPE_EMPTY,         NULL,                   ""                      },
6971 #if 0
6972   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
6973   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
6974   { TYPE_EMPTY,         NULL,                   ""                      },
6975 #endif
6976   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
6977   { TYPE_EMPTY,         NULL,                   ""                      },
6978   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
6979   { TYPE_EMPTY,         NULL,                   ""                      },
6980   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
6981
6982   { 0,                  NULL,                   NULL                    }
6983 };
6984
6985 static struct TokenInfo setup_info_graphics[] =
6986 {
6987 #if !defined(PLATFORM_ANDROID)
6988   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
6989   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
6990   { TYPE_STRING,        &window_size_text,      ""                      },
6991   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
6992   { TYPE_STRING,        &scaling_type_text,     ""                      },
6993   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
6994   { TYPE_STRING,        &rendering_mode_text,   ""                      },
6995 #endif
6996 #if 0
6997   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
6998   { TYPE_STRING,        &scroll_delay_text,     ""                      },
6999 #endif
7000   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7001   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7002   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7003   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7004   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7005   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7006   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7007   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7008   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7009   { TYPE_EMPTY,         NULL,                   ""                      },
7010   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7011
7012   { 0,                  NULL,                   NULL                    }
7013 };
7014
7015 static struct TokenInfo setup_info_sound[] =
7016 {
7017   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7018   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7019   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7020   { TYPE_EMPTY,         NULL,                   ""                      },
7021   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7022   { TYPE_STRING,        &volume_simple_text,    ""                      },
7023   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7024   { TYPE_STRING,        &volume_loops_text,     ""                      },
7025   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7026   { TYPE_STRING,        &volume_music_text,     ""                      },
7027   { TYPE_EMPTY,         NULL,                   ""                      },
7028   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7029
7030   { 0,                  NULL,                   NULL                    }
7031 };
7032
7033 static struct TokenInfo setup_info_artwork[] =
7034 {
7035   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7036   { TYPE_STRING,        &graphics_set_name,     ""                      },
7037   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7038   { TYPE_STRING,        &sounds_set_name,       ""                      },
7039   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7040   { TYPE_STRING,        &music_set_name,        ""                      },
7041   { TYPE_EMPTY,         NULL,                   ""                      },
7042   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7043   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7044   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7045   { TYPE_EMPTY,         NULL,                   ""                      },
7046   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7047
7048   { 0,                  NULL,                   NULL                    }
7049 };
7050
7051 static struct TokenInfo setup_info_input[] =
7052 {
7053   { TYPE_SWITCH,        NULL,                   "Player:"               },
7054   { TYPE_SWITCH,        NULL,                   "Device:"               },
7055   { TYPE_SWITCH,        NULL,                   ""                      },
7056   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7057   { TYPE_EMPTY,         NULL,                   ""                      },
7058   { TYPE_EMPTY,         NULL,                   ""                      },
7059   { TYPE_EMPTY,         NULL,                   ""                      },
7060   { TYPE_EMPTY,         NULL,                   ""                      },
7061   { TYPE_EMPTY,         NULL,                   ""                      },
7062   { TYPE_EMPTY,         NULL,                   ""                      },
7063   { TYPE_EMPTY,         NULL,                   ""                      },
7064   { TYPE_EMPTY,         NULL,                   ""                      },
7065   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7066   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7067
7068   { 0,                  NULL,                   NULL                    }
7069 };
7070
7071 static struct TokenInfo setup_info_touch[] =
7072 {
7073   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7074   { TYPE_STRING,        &touch_controls_text,   ""                      },
7075   { TYPE_EMPTY,         NULL,                   ""                      },
7076   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7077
7078   { 0,                  NULL,                   NULL                    }
7079 };
7080
7081 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7082 {
7083   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7084   { TYPE_STRING,        &touch_controls_text,   ""                      },
7085   { TYPE_EMPTY,         NULL,                   ""                      },
7086   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7087   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7088   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7089   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7090   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7091   { TYPE_STRING,        &transparency_text,     ""                      },
7092   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7093   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7094   { TYPE_EMPTY,         NULL,                   ""                      },
7095   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7096   { TYPE_EMPTY,         NULL,                   ""                      },
7097   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7098
7099   { 0,                  NULL,                   NULL                    }
7100 };
7101
7102 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7103 {
7104   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7105   { TYPE_STRING,        &touch_controls_text,   ""                      },
7106   { TYPE_EMPTY,         NULL,                   ""                      },
7107   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7108   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7109   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7110   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7111   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7112   { TYPE_STRING,        &transparency_text,     ""                      },
7113   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7114   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7115   { TYPE_EMPTY,         NULL,                   ""                      },
7116   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7117   { TYPE_EMPTY,         NULL,                   ""                      },
7118   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7119
7120   { 0,                  NULL,                   NULL                    }
7121 };
7122
7123 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7124 {
7125   setup_info_touch_virtual_buttons_0,
7126   setup_info_touch_virtual_buttons_1
7127 };
7128
7129 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7130 {
7131   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7132   { TYPE_STRING,        &touch_controls_text,   ""                      },
7133   { TYPE_EMPTY,         NULL,                   ""                      },
7134   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7135   { TYPE_STRING,        &move_distance_text,    ""                      },
7136   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7137   { TYPE_STRING,        &drop_distance_text,    ""                      },
7138   { TYPE_EMPTY,         NULL,                   ""                      },
7139   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7140
7141   { 0,                  NULL,                   NULL                    }
7142 };
7143
7144 static struct TokenInfo setup_info_shortcuts[] =
7145 {
7146   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7147   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7148   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7149   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7150   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7151   { TYPE_EMPTY,         NULL,                   ""                      },
7152   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7153
7154   { 0,                  NULL,                   NULL                    }
7155 };
7156
7157 static struct TokenInfo setup_info_shortcuts_1[] =
7158 {
7159   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7160   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7161   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7162   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7163   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7164   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7165   { TYPE_EMPTY,         NULL,                   ""                      },
7166   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7167   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7168   { TYPE_EMPTY,         NULL,                   ""                      },
7169   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7170
7171   { 0,                  NULL,                   NULL                    }
7172 };
7173
7174 static struct TokenInfo setup_info_shortcuts_2[] =
7175 {
7176   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7177   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7178   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7179   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7180   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7181   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7182   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7183   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7184   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7185   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7186   { TYPE_EMPTY,         NULL,                   ""                      },
7187   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7188
7189   { 0,                  NULL,                   NULL                    }
7190 };
7191
7192 static struct TokenInfo setup_info_shortcuts_3[] =
7193 {
7194   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7195   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7196   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7197   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7198   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7199   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7200   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7201   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7202   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7203   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7204   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7205   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7206   { TYPE_EMPTY,         NULL,                   ""                      },
7207   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7208
7209   { 0,                  NULL,                   NULL                    }
7210 };
7211
7212 static struct TokenInfo setup_info_shortcuts_4[] =
7213 {
7214   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7215   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7216   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7217   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7218   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7219   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7220   { TYPE_EMPTY,         NULL,                   ""                      },
7221   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7222
7223   { 0,                  NULL,                   NULL                    }
7224 };
7225
7226 static struct TokenInfo setup_info_shortcuts_5[] =
7227 {
7228   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7229   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7230   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7231   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7232   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7233   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7234   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7235   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7236   { TYPE_EMPTY,         NULL,                   ""                      },
7237   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7238
7239   { 0,                  NULL,                   NULL                    }
7240 };
7241
7242 static Key getSetupKey(void)
7243 {
7244   Key key = KSYM_UNDEFINED;
7245   boolean got_key_event = FALSE;
7246
7247   while (!got_key_event)
7248   {
7249     Event event;
7250
7251     if (NextValidEvent(&event))
7252     {
7253       switch (event.type)
7254       {
7255         case EVENT_KEYPRESS:
7256           {
7257             key = GetEventKey((KeyEvent *)&event, TRUE);
7258
7259             // press 'Escape' or 'Enter' to keep the existing key binding
7260             if (key == KSYM_Escape || key == KSYM_Return)
7261               key = KSYM_UNDEFINED;     // keep old value
7262
7263             got_key_event = TRUE;
7264           }
7265           break;
7266
7267         case EVENT_KEYRELEASE:
7268           key_joystick_mapping = 0;
7269           break;
7270
7271         default:
7272           HandleOtherEvents(&event);
7273           break;
7274       }
7275     }
7276
7277     BackToFront();
7278   }
7279
7280   return key;
7281 }
7282
7283 static int getSetupValueFont(int type, void *value)
7284 {
7285   if (type & TYPE_GHOSTED)
7286     return FONT_OPTION_OFF;
7287   else if (type & TYPE_KEY)
7288     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7289   else if (type & TYPE_STRING)
7290     return FONT_VALUE_2;
7291   else if (type & TYPE_ECS_AGA)
7292     return FONT_VALUE_1;
7293   else if (type & TYPE_BOOLEAN_STYLE)
7294     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7295   else if (type & TYPE_YES_NO_AUTO)
7296     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7297             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7298   else if (type & TYPE_PLAYER)
7299     return FONT_VALUE_1;
7300   else
7301     return FONT_VALUE_1;
7302 }
7303
7304 static int getSetupValueFontNarrow(int type, int font_nr)
7305 {
7306   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7307           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7308           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7309           font_nr);
7310 }
7311
7312 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7313 {
7314   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7315   struct TokenInfo *si = &setup_info[si_pos];
7316   boolean font_draw_xoffset_modified = FALSE;
7317   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7318   int font_draw_xoffset_old = -1;
7319   int xoffset = (scrollbar_needed ? -1 : 0);
7320   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7321   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7322   int xpos = menu_screen_value_xpos;
7323   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7324   int startx = mSX + xpos * 32;
7325   int starty = mSY + ypos * 32;
7326   int type = si->type;
7327   void *value = si->value;
7328   char *value_string = getSetupValue(type, value);
7329   int font_nr_default = getSetupValueFont(type, value);
7330   int font_width_default = getFontWidth(font_nr_default);
7331   int font_nr = font_nr_default;
7332   int i;
7333
7334   if (value_string == NULL)
7335     return;
7336
7337   if (type & TYPE_KEY)
7338   {
7339     xpos = MENU_SCREEN_START_XPOS;
7340
7341     if (type & TYPE_QUERY)
7342       value_string = "<press key>";
7343   }
7344   else if (type & TYPE_STRING)
7345   {
7346     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7347
7348     xpos = MENU_SCREEN_START_XPOS;
7349
7350     if (strlen(value_string) > max_value_len)
7351       value_string[max_value_len] = '\0';
7352   }
7353   else if (type & TYPE_YES_NO_AUTO)
7354   {
7355     xpos = menu_screen_value_xpos - 1;
7356   }
7357   else if (type & TYPE_PLAYER)
7358   {
7359     int displayed_player_nr = *(int *)value + 1;
7360
7361     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7362   }
7363
7364   startx = mSX + xpos * 32;
7365   starty = mSY + ypos * 32;
7366
7367   // special check if right-side setup values moved left due to scrollbar
7368   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7369   {
7370     int max_menu_text_length = 26;      // maximum text length for classic menu
7371     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7372     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7373     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7374     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7375     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7376
7377     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7378     {
7379       // when using narrow font, left-shifting text "auto" not needed
7380       if (type & TYPE_YES_NO_AUTO)
7381         xpos += 1;
7382
7383       xpos += 1;
7384       startx = mSX + xpos * 32;
7385
7386       font_nr = getSetupValueFontNarrow(type, font_nr);
7387     }
7388   }
7389
7390   // downward compatibility correction for Juergen Bonhagen's menu settings
7391   if (setup_mode != SETUP_MODE_INPUT)
7392   {
7393     int max_menu_text_length_big = (menu_screen_value_xpos -
7394                                     MENU_SCREEN_START_XPOS);
7395     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7396     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7397     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7398     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7399     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7400     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7401     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7402     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7403     boolean correct_font_draw_xoffset = FALSE;
7404
7405     if (xpos == MENU_SCREEN_START_XPOS &&
7406         startx + font1_xoffset < text_startx + text_font_xoffset)
7407       correct_font_draw_xoffset = TRUE;
7408
7409     if (xpos == menu_screen_value_xpos &&
7410         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7411       correct_font_draw_xoffset = TRUE;
7412
7413     // check if setup value would overlap with setup text when printed
7414     // (this can happen for extreme/wrong values for font draw offset)
7415     if (correct_font_draw_xoffset)
7416     {
7417       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7418       font_draw_xoffset_modified = TRUE;
7419
7420       if (type & TYPE_KEY)
7421         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7422       else if (!(type & TYPE_STRING))
7423         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7424           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7425     }
7426   }
7427
7428   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7429     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7430
7431   DrawText(startx, starty, value_string, font_nr);
7432
7433   if (type & TYPE_PLAYER)
7434   {
7435     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7436     int player_nr = *(int *)value;
7437     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7438     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7439     int startx2 = startx + xoff;
7440     int starty2 = starty + yoff;
7441
7442     if (DrawingOnBackground(startx2, starty2))
7443       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7444
7445     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7446                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7447   }
7448
7449   if (font_draw_xoffset_modified)
7450     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7451 }
7452
7453 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7454 {
7455   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7456   struct TokenInfo *si = &setup_info[si_pos];
7457
7458   if (si->type & TYPE_BOOLEAN_STYLE)
7459   {
7460     *(boolean *)si->value ^= TRUE;
7461   }
7462   else if (si->type & TYPE_YES_NO_AUTO)
7463   {
7464     *(int *)si->value =
7465       (dx == -1 ?
7466        (*(int *)si->value == AUTO ? TRUE :
7467         *(int *)si->value == TRUE ? FALSE : AUTO) :
7468        (*(int *)si->value == TRUE ? AUTO :
7469         *(int *)si->value == AUTO ? FALSE : TRUE));
7470   }
7471   else if (si->type & TYPE_KEY)
7472   {
7473     Key key;
7474
7475     si->type |= TYPE_QUERY;
7476     drawSetupValue(screen_pos, setup_info_pos_raw);
7477     si->type &= ~TYPE_QUERY;
7478
7479     key = getSetupKey();
7480     if (key != KSYM_UNDEFINED)
7481       *(Key *)si->value = key;
7482   }
7483   else if (si->type & TYPE_PLAYER)
7484   {
7485     int player_nr = *(int *)si->value;
7486
7487     if (dx)
7488       player_nr += dx;
7489     else
7490       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7491
7492     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7493   }
7494
7495   drawSetupValue(screen_pos, setup_info_pos_raw);
7496
7497   // fullscreen state may have changed at this point
7498   if (si->value == &setup.fullscreen)
7499     ToggleFullscreenIfNeeded();
7500
7501   // network mode may have changed at this point
7502   if (si->value == &setup.network_mode)
7503     ToggleNetworkModeIfNeeded();
7504
7505   // API server mode may have changed at this point
7506   if (si->value == &setup.use_api_server)
7507     runtime.use_api_server = setup.use_api_server;
7508
7509   // game speed list may have changed at this point
7510   if (si->value == &setup.game_speed_extended)
7511     ToggleGameSpeedsListIfNeeded();
7512 }
7513
7514 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7515 {
7516   static struct TokenInfo *setup_info_final = NULL;
7517   int list_size = 0;
7518   int list_pos = 0;
7519   int i;
7520
7521   // determine maximum list size of target list
7522   while (setup_info_orig[list_size++].type != 0);
7523
7524   // free, allocate and clear memory for target list
7525   checked_free(setup_info_final);
7526   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7527
7528   // copy setup info list without setup entries marked as hidden
7529   for (i = 0; setup_info_orig[i].type != 0; i++)
7530   {
7531     // skip setup entries configured to be hidden
7532     if (hideSetupEntry(setup_info_orig[i].value))
7533       continue;
7534
7535     // skip skippable setup entries if screen is lower than usual
7536     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7537         setup_info_orig[i].type == TYPE_SKIPPABLE)
7538       continue;
7539
7540     setup_info_final[list_pos++] = setup_info_orig[i];
7541   }
7542
7543   return setup_info_final;
7544 }
7545
7546 static void DrawSetupScreen_Generic(void)
7547 {
7548   int fade_mask = REDRAW_FIELD;
7549   boolean redraw_all = FALSE;
7550   char *title_string = NULL;
7551   int i;
7552
7553   if (CheckFadeAll())
7554     fade_mask = REDRAW_ALL;
7555
7556   UnmapAllGadgets();
7557   FadeMenuSoundsAndMusic();
7558
7559   FreeScreenGadgets();
7560   CreateScreenGadgets();
7561
7562   if (redraw_mask & REDRAW_ALL)
7563     redraw_all = TRUE;
7564
7565   FadeOut(fade_mask);
7566
7567   // needed if different viewport properties defined for setup screen
7568   ChangeViewportPropertiesIfNeeded();
7569
7570   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7571
7572   ClearField();
7573
7574   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7575
7576   if (setup_mode == SETUP_MODE_MAIN)
7577   {
7578     setup_info = setup_info_main;
7579     title_string = STR_SETUP_MAIN;
7580   }
7581   else if (setup_mode == SETUP_MODE_GAME)
7582   {
7583     setup_info = setup_info_game;
7584     title_string = STR_SETUP_GAME;
7585   }
7586   else if (setup_mode == SETUP_MODE_ENGINES)
7587   {
7588     setup_info = setup_info_engines;
7589     title_string = STR_SETUP_ENGINES;
7590   }
7591   else if (setup_mode == SETUP_MODE_EDITOR)
7592   {
7593     setup_info = setup_info_editor;
7594     title_string = STR_SETUP_EDITOR;
7595   }
7596   else if (setup_mode == SETUP_MODE_GRAPHICS)
7597   {
7598     setup_info = setup_info_graphics;
7599     title_string = STR_SETUP_GRAPHICS;
7600   }
7601   else if (setup_mode == SETUP_MODE_SOUND)
7602   {
7603     setup_info = setup_info_sound;
7604     title_string = STR_SETUP_SOUND;
7605   }
7606   else if (setup_mode == SETUP_MODE_ARTWORK)
7607   {
7608     setup_info = setup_info_artwork;
7609     title_string = STR_SETUP_ARTWORK;
7610   }
7611   else if (setup_mode == SETUP_MODE_TOUCH)
7612   {
7613     setup_info = setup_info_touch;
7614     title_string = STR_SETUP_TOUCH;
7615
7616     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7617       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7618     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7619       setup_info = setup_info_touch_wipe_gestures;
7620   }
7621   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7622   {
7623     setup_info = setup_info_shortcuts;
7624     title_string = STR_SETUP_SHORTCUTS;
7625   }
7626   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7627   {
7628     setup_info = setup_info_shortcuts_1;
7629     title_string = STR_SETUP_SHORTCUTS;
7630   }
7631   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7632   {
7633     setup_info = setup_info_shortcuts_2;
7634     title_string = STR_SETUP_SHORTCUTS;
7635   }
7636   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7637   {
7638     setup_info = setup_info_shortcuts_3;
7639     title_string = STR_SETUP_SHORTCUTS;
7640   }
7641   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7642   {
7643     setup_info = setup_info_shortcuts_4;
7644     title_string = STR_SETUP_SHORTCUTS;
7645   }
7646   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7647   {
7648     setup_info = setup_info_shortcuts_5;
7649     title_string = STR_SETUP_SHORTCUTS;
7650   }
7651
7652   // use modified setup info without setup entries marked as hidden
7653   setup_info = getSetupInfoFinal(setup_info);
7654
7655   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7656
7657   // determine maximal number of setup entries that can be displayed on screen
7658   num_setup_info = 0;
7659   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7660     num_setup_info++;
7661
7662   // determine maximal number of setup entries available for this setup screen
7663   max_setup_info = 0;
7664   for (i = 0; setup_info[i].type != 0; i++)
7665     max_setup_info++;
7666
7667   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7668
7669   MapScreenGadgets(max_setup_info);
7670
7671   if (redraw_all)
7672     redraw_mask = fade_mask = REDRAW_ALL;
7673
7674   DrawMaskedBorder(fade_mask);
7675
7676   FadeIn(fade_mask);
7677 }
7678
7679 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7680 {
7681   menu_info = setup_info;
7682
7683   HandleMenuScreen(mx, my, dx, dy, button,
7684                    setup_mode, num_setup_info, max_setup_info);
7685 }
7686
7687 static void DrawSetupScreen_Input(void)
7688 {
7689   int i;
7690
7691   FadeOut(REDRAW_FIELD);
7692
7693   ClearField();
7694
7695   setup_info = getSetupInfoFinal(setup_info_input);
7696
7697   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7698
7699   for (i = 0; setup_info[i].type != 0; i++)
7700   {
7701     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7702       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7703     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7704       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7705     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7706       initCursor(i, IMG_MENU_BUTTON);
7707
7708     DrawCursorAndText_Setup(i, -1, FALSE);
7709   }
7710
7711   // create gadgets for setup input menu screen
7712   FreeScreenGadgets();
7713   CreateScreenGadgets();
7714
7715   // map gadgets for setup input menu screen
7716   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7717
7718   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7719
7720   FadeIn(REDRAW_FIELD);
7721 }
7722
7723 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7724 {
7725   if (device_name == NULL)
7726     return;
7727
7728   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7729     device_nr = 0;
7730
7731   if (strlen(device_name) > 1)
7732   {
7733     char c1 = device_name[strlen(device_name) - 1];
7734     char c2 = device_name[strlen(device_name) - 2];
7735
7736     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7737       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7738   }
7739   else
7740     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7741             strlen(device_name));
7742 }
7743
7744 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7745 {
7746   int i;
7747   static struct SetupKeyboardInfo custom_key;
7748   static struct
7749   {
7750     Key *key;
7751     char *text;
7752   } custom[] =
7753   {
7754     { &custom_key.left,  "Axis/Pad Left"  },
7755     { &custom_key.right, "Axis/Pad Right" },
7756     { &custom_key.up,    "Axis/Pad Up"    },
7757     { &custom_key.down,  "Axis/Pad Down"  },
7758     { &custom_key.snap,  "Button 1/A/X"   },
7759     { &custom_key.drop,  "Button 2/B/Y"   }
7760   };
7761   static char *joystick_name[MAX_PLAYERS] =
7762   {
7763     "Joystick1",
7764     "Joystick2",
7765     "Joystick3",
7766     "Joystick4"
7767   };
7768   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7769   int font_nr_info = FONT_MENU_1;
7770   int font_nr_name = FONT_VALUE_OLD;
7771   int font_nr_on   = FONT_VALUE_1;
7772   int font_nr_off  = FONT_VALUE_OLD;
7773   int pos = 4;
7774
7775   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7776   {
7777     font_nr_info = FONT_MENU_2;
7778     font_nr_on   = FONT_VALUE_NARROW;
7779     font_nr_off  = FONT_VALUE_OLD_NARROW;
7780   }
7781
7782   custom_key = setup.input[player_nr].key;
7783
7784   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7785            FONT_INPUT_1_ACTIVE);
7786
7787   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7788                              TILEX, TILEY);
7789   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7790                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7791
7792   if (setup.input[player_nr].use_joystick)
7793   {
7794     char *device_name = setup.input[player_nr].joy.device_name;
7795     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7796     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7797     char *text = joystick_name[joystick_nr];
7798     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7799
7800     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7801     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7802   }
7803   else
7804   {
7805     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7806     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7807   }
7808
7809   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7810     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7811   else
7812     pos = 3;
7813
7814   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7815   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7816   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7817   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7818
7819   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7820   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7821   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7822   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7823   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7824   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7825
7826   for (i = 0; i < 6; i++)
7827   {
7828     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7829
7830     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7831              "              ", font_nr_on);
7832     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7833              (setup.input[player_nr].use_joystick ?
7834               custom[i].text :
7835               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7836   }
7837 }
7838
7839 static int input_player_nr = 0;
7840
7841 static void HandleSetupScreen_Input_Player(int step, int direction)
7842 {
7843   int old_player_nr = input_player_nr;
7844   int new_player_nr;
7845
7846   new_player_nr = old_player_nr + step * direction;
7847   if (new_player_nr < 0)
7848     new_player_nr = 0;
7849   if (new_player_nr > MAX_PLAYERS - 1)
7850     new_player_nr = MAX_PLAYERS - 1;
7851
7852   if (new_player_nr != old_player_nr)
7853   {
7854     input_player_nr = new_player_nr;
7855
7856     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7857   }
7858 }
7859
7860 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7861 {
7862   static int choice = 0;
7863   int x = 0;
7864   int y = choice;
7865   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7866   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7867   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7868   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7869
7870   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7871   {
7872     int i;
7873
7874     for (i = 0; setup_info_input[i].type != 0; i++)
7875     {
7876       // adjust menu structure according to skipped setup entries
7877       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7878       {
7879         pos_empty2--;
7880         pos_end--;
7881       }
7882     }
7883   }
7884
7885   if (button == MB_MENU_INITIALIZE)
7886   {
7887     // input setup menu may have changed size due to graphics configuration
7888     if (choice >= pos_empty1)
7889       choice = pos_end;
7890
7891     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7892
7893     DrawCursorAndText_Setup(choice, -1, TRUE);
7894
7895     return;
7896   }
7897   else if (button == MB_MENU_LEAVE)
7898   {
7899     setup_mode = SETUP_MODE_MAIN;
7900     DrawSetupScreen();
7901     InitJoysticks();
7902
7903     return;
7904   }
7905
7906   if (mx || my)         // mouse input
7907   {
7908     x = (mx - mSX) / 32;
7909     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7910   }
7911   else if (dx || dy)    // keyboard input
7912   {
7913     if (dx && choice == 0)
7914       x = (dx < 0 ? 10 : 12);
7915     else if ((dx && choice == 1) ||
7916              (dx == -1 && choice == pos_end))
7917       button = MB_MENU_CHOICE;
7918     else if (dy)
7919       y = choice + dy;
7920
7921     if (y >= pos_empty1 && y <= pos_empty2)
7922       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
7923   }
7924
7925   if (y == 0 && dx != 0 && button)
7926   {
7927     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
7928   }
7929   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
7930            y >= pos_start && y <= pos_end &&
7931            !(y >= pos_empty1 && y <= pos_empty2))
7932   {
7933     if (button)
7934     {
7935       if (y != choice)
7936       {
7937         DrawCursorAndText_Setup(choice, -1, FALSE);
7938         DrawCursorAndText_Setup(y, -1, TRUE);
7939
7940         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
7941
7942         choice = y;
7943       }
7944     }
7945     else
7946     {
7947       if (y == 1)
7948       {
7949         char *device_name = setup.input[input_player_nr].joy.device_name;
7950
7951         if (!setup.input[input_player_nr].use_joystick)
7952         {
7953           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
7954
7955           setJoystickDeviceToNr(device_name, new_device_nr);
7956           setup.input[input_player_nr].use_joystick = TRUE;
7957         }
7958         else
7959         {
7960           int device_nr = getJoystickNrFromDeviceName(device_name);
7961           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
7962
7963           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
7964             setup.input[input_player_nr].use_joystick = FALSE;
7965           else
7966             setJoystickDeviceToNr(device_name, new_device_nr);
7967         }
7968
7969         drawPlayerSetupInputInfo(input_player_nr, FALSE);
7970       }
7971       else if (y == 2)
7972       {
7973         if (setup.input[input_player_nr].use_joystick)
7974           ConfigureJoystick(input_player_nr);
7975         else
7976           CustomizeKeyboard(input_player_nr);
7977       }
7978       else if (y == pos_end)
7979       {
7980         InitJoysticks();
7981
7982         FadeSetLeaveMenu();
7983
7984         setup_mode = SETUP_MODE_MAIN;
7985         DrawSetupScreen();
7986       }
7987     }
7988   }
7989 }
7990
7991 static boolean CustomizeKeyboardMain(int player_nr)
7992 {
7993   int i;
7994   int step_nr;
7995   boolean finished = FALSE;
7996   static struct SetupKeyboardInfo custom_key;
7997   static struct
7998   {
7999     Key *key;
8000     char *text;
8001   } customize_step[] =
8002   {
8003     { &custom_key.left,  "Move Left"    },
8004     { &custom_key.right, "Move Right"   },
8005     { &custom_key.up,    "Move Up"      },
8006     { &custom_key.down,  "Move Down"    },
8007     { &custom_key.snap,  "Snap Field"   },
8008     { &custom_key.drop,  "Drop Element" }
8009   };
8010   int font_nr_old = FONT_VALUE_OLD;
8011   int font_nr_new = FONT_VALUE_1;
8012   boolean success = FALSE;
8013
8014   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8015   {
8016     font_nr_old = FONT_VALUE_OLD_NARROW;
8017     font_nr_new = FONT_VALUE_NARROW;
8018   }
8019
8020   // read existing key bindings from player setup
8021   custom_key = setup.input[player_nr].key;
8022
8023   FadeSetEnterMenu();
8024   FadeOut(REDRAW_FIELD);
8025
8026   ClearField();
8027
8028   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8029
8030   step_nr = 0;
8031   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8032            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8033   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8034            "Key:", FONT_INPUT_1_ACTIVE);
8035   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8036            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8037
8038   FadeIn(REDRAW_FIELD);
8039
8040   while (!finished)
8041   {
8042     Event event;
8043
8044     if (NextValidEvent(&event))
8045     {
8046       switch (event.type)
8047       {
8048         case EVENT_KEYPRESS:
8049           {
8050             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8051
8052             // press 'Escape' to abort and keep the old key bindings
8053             if (key == KSYM_Escape)
8054             {
8055               FadeSkipNextFadeIn();
8056
8057               finished = TRUE;
8058
8059               break;
8060             }
8061
8062             // press 'Enter' to keep the existing key binding
8063             if (key == KSYM_Return)
8064               key = *customize_step[step_nr].key;
8065
8066             // check if key already used
8067             for (i = 0; i < step_nr; i++)
8068               if (*customize_step[i].key == key)
8069                 break;
8070             if (i < step_nr)
8071               break;
8072
8073             // got new key binding
8074             *customize_step[step_nr].key = key;
8075             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8076                      "             ", font_nr_new);
8077             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8078                      getKeyNameFromKey(key), font_nr_new);
8079             step_nr++;
8080
8081             // un-highlight last query
8082             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8083                      customize_step[step_nr - 1].text, FONT_MENU_1);
8084             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8085                      "Key:", FONT_MENU_1);
8086
8087             // all keys configured
8088             if (step_nr == 6)
8089             {
8090               finished = TRUE;
8091               success = TRUE;
8092
8093               break;
8094             }
8095
8096             // query next key binding
8097             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8098                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8099             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8100                      "Key:", FONT_INPUT_1_ACTIVE);
8101             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8102                      getKeyNameFromKey(*customize_step[step_nr].key),
8103                      font_nr_old);
8104           }
8105           break;
8106
8107         case EVENT_KEYRELEASE:
8108           key_joystick_mapping = 0;
8109           break;
8110
8111         default:
8112           HandleOtherEvents(&event);
8113           break;
8114       }
8115     }
8116
8117     BackToFront();
8118   }
8119
8120   // write new key bindings back to player setup, if successfully finished
8121   if (success)
8122     setup.input[player_nr].key = custom_key;
8123
8124   return success;
8125 }
8126
8127 void CustomizeKeyboard(int player_nr)
8128 {
8129   boolean success = CustomizeKeyboardMain(player_nr);
8130
8131   if (success)
8132   {
8133     int font_nr = FONT_TITLE_1;
8134     int font_height = getFontHeight(font_nr);
8135     int ypos1 = SYSIZE / 2 - font_height * 2;
8136     int ypos2 = SYSIZE / 2 - font_height * 1;
8137     unsigned int wait_frame_delay = 0;
8138     unsigned int wait_frame_delay_value = 2000;
8139
8140     ResetDelayCounter(&wait_frame_delay);
8141
8142     ClearField();
8143
8144     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8145     DrawTextSCentered(ypos2, font_nr, "configured!");
8146
8147     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8148       BackToFront();
8149
8150     ClearEventQueue();
8151   }
8152
8153   DrawSetupScreen_Input();
8154 }
8155
8156 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8157
8158 #define MARKER_BUTTON           1
8159 #define MARKER_AXIS_X           2
8160 #define MARKER_AXIS_Y           3
8161
8162 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8163 {
8164   static boolean bitmaps_initialized = FALSE;
8165   boolean screen_initialized = FALSE;
8166   static Bitmap *controller, *button, *axis_x, *axis_y;
8167   char *name;
8168   boolean success = TRUE;
8169   boolean done = FALSE, next = FALSE;
8170   Event event;
8171   int alpha = 200, alpha_step = -1;
8172   int alpha_ticks = 0;
8173   char mapping[4096], temp[256];
8174   int font_name = MENU_SETUP_FONT_TITLE;
8175   int font_info = MENU_SETUP_FONT_TEXT;
8176   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8177   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8178   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8179   int ystep_name = getMenuTextStep(spacing_name, font_name);
8180   int ystep_line = getMenuTextStep(spacing_line, font_info);
8181   int ystep_para = getMenuTextStep(spacing_para, font_info);
8182   int i, j;
8183
8184   struct
8185   {
8186     int x, y;
8187     int marker;
8188     char *field;
8189     int axis, button, hat, hat_value;
8190     char mapping[4096];
8191   }
8192   *step, *prev_step, steps[] =
8193   {
8194     { 356, 155, MARKER_BUTTON, "a",             },
8195     { 396, 122, MARKER_BUTTON, "b",             },
8196     { 320, 125, MARKER_BUTTON, "x",             },
8197     { 358,  95, MARKER_BUTTON, "y",             },
8198     { 162, 125, MARKER_BUTTON, "back",          },
8199     { 216, 125, MARKER_BUTTON, "guide",         },
8200     { 271, 125, MARKER_BUTTON, "start",         },
8201     { 110, 200, MARKER_BUTTON, "dpleft",        },
8202     { 146, 228, MARKER_BUTTON, "dpdown",        },
8203     { 178, 200, MARKER_BUTTON, "dpright",       },
8204     { 146, 172, MARKER_BUTTON, "dpup",          },
8205     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8206     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8207     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8208     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8209     {  73, 141, MARKER_BUTTON, "leftstick",     },
8210     { 282, 210, MARKER_BUTTON, "rightstick",    },
8211     {  73, 141, MARKER_AXIS_X, "leftx",         },
8212     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8213     { 282, 210, MARKER_AXIS_X, "rightx",        },
8214     { 282, 210, MARKER_AXIS_Y, "righty",        },
8215   };
8216
8217   unsigned int event_frame_delay = 0;
8218   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8219
8220   ResetDelayCounter(&event_frame_delay);
8221
8222   if (!bitmaps_initialized)
8223   {
8224     controller = LoadCustomImage("joystick/controller.png");
8225     button     = LoadCustomImage("joystick/button.png");
8226     axis_x     = LoadCustomImage("joystick/axis_x.png");
8227     axis_y     = LoadCustomImage("joystick/axis_y.png");
8228
8229     bitmaps_initialized = TRUE;
8230   }
8231
8232   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8233
8234 #if DEBUG_JOYSTICKS
8235   // print info about the joystick we are watching
8236   Debug("joystick", "watching joystick %d: (%s)",
8237         SDL_JoystickInstanceID(joystick), name);
8238   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8239         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8240         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8241 #endif
8242
8243   // initialize mapping with GUID and name
8244   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8245
8246   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8247            temp, name, SDL_GetPlatform());
8248
8249   // loop through all steps (buttons and axes), getting joystick events
8250   for (i = 0; i < SDL_arraysize(steps) && !done;)
8251   {
8252     Bitmap *marker = button;    // initialize with reliable default value
8253
8254     step = &steps[i];
8255     strcpy(step->mapping, mapping);
8256     step->axis = -1;
8257     step->button = -1;
8258     step->hat = -1;
8259     step->hat_value = -1;
8260
8261     marker = (step->marker == MARKER_BUTTON ? button :
8262               step->marker == MARKER_AXIS_X ? axis_x :
8263               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8264
8265     next = FALSE;
8266
8267     while (!done && !next)
8268     {
8269       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8270       alpha_ticks = SDL_GetTicks();
8271
8272       if (alpha >= 255)
8273       {
8274         alpha = 255;
8275         alpha_step = -1;
8276       }
8277       else if (alpha < 128)
8278       {
8279         alpha = 127;
8280         alpha_step = 1;
8281       }
8282
8283       int controller_x = SX + (SXSIZE - controller->width) / 2;
8284       int controller_y = SY + ystep_line;
8285
8286       int marker_x = controller_x + step->x;
8287       int marker_y = controller_y + step->y;
8288
8289       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8290       int ystart2 = ystart1 + ystep_name + ystep_line;
8291
8292       ClearField();
8293
8294       DrawTextSCentered(ystart1, font_name, name);
8295
8296       DrawTextSCentered(ystart2, font_info,
8297                         "Press buttons and move axes on");
8298       ystart2 += ystep_line;
8299       DrawTextSCentered(ystart2, font_info,
8300                         "your controller when indicated.");
8301       ystart2 += ystep_line;
8302       DrawTextSCentered(ystart2, font_info,
8303                         "(Your controller may look different.)");
8304       ystart2 += ystep_para;
8305
8306 #if defined(PLATFORM_ANDROID)
8307       DrawTextSCentered(ystart2, font_info,
8308                         "To correct a mistake,");
8309       ystart2 += ystep_line;
8310       DrawTextSCentered(ystart2, font_info,
8311                         "press the 'back' button.");
8312       ystart2 += ystep_line;
8313       DrawTextSCentered(ystart2, font_info,
8314                         "To skip a button or axis,");
8315       ystart2 += ystep_line;
8316       DrawTextSCentered(ystart2, font_info,
8317                         "press the 'menu' button.");
8318 #else
8319       DrawTextSCentered(ystart2, font_info,
8320                         "To correct a mistake,");
8321       ystart2 += ystep_line;
8322       DrawTextSCentered(ystart2, font_info,
8323                         "press the 'backspace' key.");
8324       ystart2 += ystep_line;
8325       DrawTextSCentered(ystart2, font_info,
8326                         "To skip a button or axis,");
8327       ystart2 += ystep_line;
8328       DrawTextSCentered(ystart2, font_info,
8329                         "press the 'return' key.");
8330       ystart2 += ystep_line;
8331       DrawTextSCentered(ystart2, font_info,
8332                         "To exit, press the 'escape' key.");
8333 #endif
8334
8335       BlitBitmapMasked(controller, drawto, 0, 0,
8336                        controller->width, controller->height,
8337                        controller_x, controller_y);
8338
8339       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8340       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8341
8342       BlitBitmapMasked(marker, drawto, 0, 0,
8343                        marker->width, marker->height,
8344                        marker_x, marker_y);
8345
8346       if (!screen_initialized)
8347         FadeIn(REDRAW_FIELD);
8348       else
8349         BackToFront();
8350
8351       screen_initialized = TRUE;
8352
8353       while (NextValidEvent(&event))
8354       {
8355         switch (event.type)
8356         {
8357           case SDL_JOYAXISMOTION:
8358             if (event.jaxis.value > 20000 ||
8359                 event.jaxis.value < -20000)
8360             {
8361               for (j = 0; j < i; j++)
8362                 if (steps[j].axis == event.jaxis.axis)
8363                   break;
8364
8365               if (j == i)
8366               {
8367                 if (step->marker != MARKER_AXIS_X &&
8368                     step->marker != MARKER_AXIS_Y)
8369                   break;
8370
8371                 step->axis = event.jaxis.axis;
8372                 strcat(mapping, step->field);
8373                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8374                 strcat(mapping, temp);
8375                 i++;
8376                 next = TRUE;
8377               }
8378             }
8379
8380             break;
8381
8382           case SDL_JOYHATMOTION:
8383             // ignore centering; we're probably just coming back
8384             // to the center from the previous item we set
8385             if (event.jhat.value == SDL_HAT_CENTERED)
8386               break;
8387
8388             for (j = 0; j < i; j++)
8389               if (steps[j].hat == event.jhat.hat &&
8390                   steps[j].hat_value == event.jhat.value)
8391                 break;
8392
8393             if (j == i)
8394             {
8395               step->hat = event.jhat.hat;
8396               step->hat_value = event.jhat.value;
8397               strcat(mapping, step->field);
8398               snprintf(temp, sizeof(temp), ":h%u.%u,",
8399                        event.jhat.hat, event.jhat.value );
8400               strcat(mapping, temp);
8401               i++;
8402               next = TRUE;
8403             }
8404
8405             break;
8406
8407           case SDL_JOYBALLMOTION:
8408             break;
8409
8410           case SDL_JOYBUTTONUP:
8411             for (j = 0; j < i; j++)
8412               if (steps[j].button == event.jbutton.button)
8413                 break;
8414
8415             if (j == i)
8416             {
8417               step->button = event.jbutton.button;
8418               strcat(mapping, step->field);
8419               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8420               strcat(mapping, temp);
8421               i++;
8422               next = TRUE;
8423             }
8424
8425             break;
8426
8427           case SDL_FINGERDOWN:
8428           case SDL_MOUSEBUTTONDOWN:
8429             // skip this step
8430             i++;
8431             next = TRUE;
8432
8433             break;
8434
8435           case SDL_KEYDOWN:
8436             if (event.key.keysym.sym == KSYM_BackSpace ||
8437                 event.key.keysym.sym == KSYM_Back)
8438             {
8439               if (i == 0)
8440               {
8441                 // leave screen
8442                 success = FALSE;
8443                 done = TRUE;
8444
8445                 break;
8446               }
8447
8448               // undo this step
8449               prev_step = &steps[i - 1];
8450               strcpy(mapping, prev_step->mapping);
8451               i--;
8452               next = TRUE;
8453
8454               break;
8455             }
8456
8457             if (event.key.keysym.sym == KSYM_space ||
8458                 event.key.keysym.sym == KSYM_Return ||
8459                 event.key.keysym.sym == KSYM_Menu)
8460             {
8461               // skip this step
8462               i++;
8463               next = TRUE;
8464
8465               break;
8466             }
8467
8468             if (event.key.keysym.sym == KSYM_Escape)
8469             {
8470               // leave screen
8471               success = FALSE;
8472               done = TRUE;
8473             }
8474
8475             break;
8476
8477           case SDL_QUIT:
8478             program.exit_function(0);
8479             break;
8480
8481           default:
8482             break;
8483         }
8484
8485         // do not handle events for longer than standard frame delay period
8486         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8487           break;
8488       }
8489     }
8490   }
8491
8492   if (success)
8493   {
8494 #if DEBUG_JOYSTICKS
8495     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8496 #endif
8497
8498     // activate mapping for this game
8499     SDL_GameControllerAddMapping(mapping);
8500
8501     // save mapping to personal mappings
8502     SaveSetup_AddGameControllerMapping(mapping);
8503   }
8504
8505   // wait until the last pending event was removed from event queue
8506   while (NextValidEvent(&event));
8507
8508   return success;
8509 }
8510
8511 static int ConfigureJoystickMain(int player_nr)
8512 {
8513   char *device_name = setup.input[player_nr].joy.device_name;
8514   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8515   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8516   int success = FALSE;
8517   int i;
8518
8519   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8520     return JOYSTICK_NOT_AVAILABLE;
8521
8522   if (!joystick_active || !setup.input[player_nr].use_joystick)
8523     return JOYSTICK_NOT_AVAILABLE;
8524
8525   FadeSetEnterMenu();
8526   FadeOut(REDRAW_FIELD);
8527
8528   // close all joystick devices (potentially opened as game controllers)
8529   for (i = 0; i < SDL_NumJoysticks(); i++)
8530     SDLCloseJoystick(i);
8531
8532   // open joystick device as plain joystick to configure as game controller
8533   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8534
8535   // as the joystick was successfully opened before, this should not happen
8536   if (joystick == NULL)
8537     return FALSE;
8538
8539   // create new game controller mapping (buttons and axes) for joystick device
8540   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8541
8542   // close joystick (and maybe re-open as configured game controller later)
8543   SDL_JoystickClose(joystick);
8544
8545   // re-open all joystick devices (potentially as game controllers)
8546   for (i = 0; i < SDL_NumJoysticks(); i++)
8547     SDLOpenJoystick(i);
8548
8549   // clear all joystick input actions for all joystick devices
8550   SDLClearJoystickState();
8551
8552   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8553 }
8554
8555 void ConfigureJoystick(int player_nr)
8556 {
8557   boolean state = ConfigureJoystickMain(player_nr);
8558
8559   if (state != JOYSTICK_NOT_CONFIGURED)
8560   {
8561     boolean success = (state == JOYSTICK_CONFIGURED);
8562     char message1[MAX_OUTPUT_LINESIZE + 1];
8563     char *message2 = (success ? "configured!" : "not available!");
8564     char *device_name = setup.input[player_nr].joy.device_name;
8565     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8566     int font_nr = FONT_TITLE_1;
8567     int font_height = getFontHeight(font_nr);
8568     int ypos1 = SYSIZE / 2 - font_height * 2;
8569     int ypos2 = SYSIZE / 2 - font_height * 1;
8570     unsigned int wait_frame_delay = 0;
8571     unsigned int wait_frame_delay_value = 2000;
8572
8573     ResetDelayCounter(&wait_frame_delay);
8574
8575     ClearField();
8576
8577     sprintf(message1, "Joystick %d", nr);
8578
8579     DrawTextSCentered(ypos1, font_nr, message1);
8580     DrawTextSCentered(ypos2, font_nr, message2);
8581
8582     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8583       BackToFront();
8584
8585     ClearEventQueue();
8586   }
8587
8588   DrawSetupScreen_Input();
8589 }
8590
8591 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8592 {
8593   if (y < video.screen_height / 3)
8594   {
8595     // remap touch gadgets to access upper part of the screen
8596     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8597     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8598   }
8599   else if (y > 2 * video.screen_height / 3)
8600   {
8601     // remap touch gadgets to access lower part of the screen
8602     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8603     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8604   }
8605 }
8606
8607 static boolean ConfigureVirtualButtonsMain(void)
8608 {
8609   static char *customize_step_text[] =
8610   {
8611     "Move Left",
8612     "Move Right",
8613     "Move Up",
8614     "Move Down",
8615     "Snap Field",
8616     "Drop Element"
8617   };
8618   char grid_button[] =
8619   {
8620     CHAR_GRID_BUTTON_LEFT,
8621     CHAR_GRID_BUTTON_RIGHT,
8622     CHAR_GRID_BUTTON_UP,
8623     CHAR_GRID_BUTTON_DOWN,
8624     CHAR_GRID_BUTTON_SNAP,
8625     CHAR_GRID_BUTTON_DROP
8626   };
8627   enum
8628   {
8629     ACTION_NONE,
8630     ACTION_ESCAPE,
8631     ACTION_BACK,
8632     ACTION_NEXT
8633   };
8634   int font_nr = FONT_INPUT_1_ACTIVE;
8635   int font_height = getFontHeight(font_nr);
8636   int ypos1 = SYSIZE / 2 - font_height * 2;
8637   int ypos2 = SYSIZE / 2 - font_height * 1;
8638   boolean success = FALSE;
8639   boolean finished = FALSE;
8640   int step_nr = 0;
8641   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8642   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8643   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8644   boolean set_grid_button = FALSE;
8645   int nr = GRID_ACTIVE_NR();
8646   int x, y;
8647
8648   for (x = 0; x < MAX_GRID_XSIZE; x++)
8649     for (y = 0; y < MAX_GRID_YSIZE; y++)
8650       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8651
8652   overlay.grid_button_highlight = grid_button[step_nr];
8653
8654   UnmapAllGadgets();
8655
8656   FadeSetEnterMenu();
8657   FadeOut(REDRAW_FIELD);
8658
8659   ClearField();
8660
8661   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8662   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8663   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8664
8665   FadeIn(REDRAW_FIELD);
8666
8667   SetOverlayShowGrid(TRUE);
8668
8669   // map gadgets for setup touch buttons menu screen
8670   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8671
8672   while (!finished)
8673   {
8674     Event event;
8675
8676     while (NextValidEvent(&event))
8677     {
8678       int action = ACTION_NONE;
8679
8680       // ---------- handle events and set the resulting action ----------
8681
8682       switch (event.type)
8683       {
8684         case EVENT_USER:
8685           {
8686             UserEvent *user = (UserEvent *)&event;
8687             int id = user->value1;
8688
8689             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8690                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8691                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8692                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8693                       ACTION_NONE);
8694           }
8695           break;
8696
8697         case EVENT_KEYPRESS:
8698           {
8699             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8700
8701             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8702                       key == KSYM_BackSpace ||
8703                       key == KSYM_Back ?        ACTION_BACK :
8704                       key == KSYM_Return ||
8705                       key == KSYM_Menu ||
8706                       key == KSYM_space ?       ACTION_NEXT :
8707                       ACTION_NONE);
8708           }
8709           break;
8710
8711         case EVENT_KEYRELEASE:
8712           key_joystick_mapping = 0;
8713           break;
8714
8715         case EVENT_BUTTONPRESS:
8716         case EVENT_BUTTONRELEASE:
8717           {
8718             ButtonEvent *button = (ButtonEvent *)&event;
8719
8720             motion_status = FALSE;
8721
8722             if (button->type == EVENT_BUTTONPRESS)
8723               button_status = button->button;
8724             else
8725               button_status = MB_RELEASED;
8726
8727             if (HandleGadgets(button->x, button->y, button_status))
8728             {
8729               // do not handle this button event anymore
8730               break;
8731             }
8732
8733             button->x += video.screen_xoffset;
8734             button->y += video.screen_yoffset;
8735
8736             x = button->x * overlay.grid_xsize / video.screen_width;
8737             y = button->y * overlay.grid_ysize / video.screen_height;
8738
8739             if (button->type == EVENT_BUTTONPRESS)
8740             {
8741               grid_button_draw =
8742                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8743                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8744
8745               set_grid_button = TRUE;
8746             }
8747
8748             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8749           }
8750           break;
8751
8752         case EVENT_MOTIONNOTIFY:
8753           {
8754             MotionEvent *motion = (MotionEvent *)&event;
8755
8756             motion_status = TRUE;
8757
8758             if (HandleGadgets(motion->x, motion->y, button_status))
8759             {
8760               // do not handle this button event anymore
8761               break;
8762             }
8763
8764             motion->x += video.screen_xoffset;
8765             motion->y += video.screen_yoffset;
8766
8767             x = motion->x * overlay.grid_xsize / video.screen_width;
8768             y = motion->y * overlay.grid_ysize / video.screen_height;
8769
8770             set_grid_button = TRUE;
8771
8772             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8773           }
8774           break;
8775
8776         case SDL_WINDOWEVENT:
8777           HandleWindowEvent((WindowEvent *) &event);
8778
8779           // check if device has been rotated
8780           if (nr != GRID_ACTIVE_NR())
8781           {
8782             nr = GRID_ACTIVE_NR();
8783
8784             for (x = 0; x < MAX_GRID_XSIZE; x++)
8785               for (y = 0; y < MAX_GRID_YSIZE; y++)
8786                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8787                   overlay.grid_button[x][y];
8788           }
8789
8790           break;
8791
8792         case SDL_APP_WILLENTERBACKGROUND:
8793         case SDL_APP_DIDENTERBACKGROUND:
8794         case SDL_APP_WILLENTERFOREGROUND:
8795         case SDL_APP_DIDENTERFOREGROUND:
8796           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8797           break;
8798
8799         default:
8800           HandleOtherEvents(&event);
8801           break;
8802       }
8803
8804       // ---------- perform action set by handling events ----------
8805
8806       if (action == ACTION_ESCAPE)
8807       {
8808         // abort and restore the old key bindings
8809
8810         for (x = 0; x < MAX_GRID_XSIZE; x++)
8811           for (y = 0; y < MAX_GRID_YSIZE; y++)
8812             overlay.grid_button[x][y] = grid_button_old[x][y];
8813
8814         FadeSkipNextFadeIn();
8815
8816         finished = TRUE;
8817       }
8818       else if (action == ACTION_BACK)
8819       {
8820         // keep the configured key bindings and go to previous page
8821
8822         step_nr--;
8823
8824         if (step_nr < 0)
8825         {
8826           FadeSkipNextFadeIn();
8827
8828           finished = TRUE;
8829         }
8830       }
8831       else if (action == ACTION_NEXT)
8832       {
8833         // keep the configured key bindings and go to next page
8834
8835         step_nr++;
8836
8837         // all virtual buttons configured
8838         if (step_nr == 6)
8839         {
8840           finished = TRUE;
8841           success = TRUE;
8842         }
8843       }
8844
8845       if (action != ACTION_NONE && !finished)
8846       {
8847         for (x = 0; x < MAX_GRID_XSIZE; x++)
8848           for (y = 0; y < MAX_GRID_YSIZE; y++)
8849             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8850
8851         overlay.grid_button_highlight = grid_button[step_nr];
8852
8853         // configure next virtual button
8854
8855         ClearField();
8856
8857         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8858         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8859         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8860       }
8861
8862       if (set_grid_button)
8863       {
8864         overlay.grid_button[x][y] =
8865           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8866            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8867            grid_button_tmp[x][y]);
8868
8869         set_grid_button = FALSE;
8870       }
8871     }
8872
8873     BackToFront();
8874   }
8875
8876   for (x = 0; x < MAX_GRID_XSIZE; x++)
8877     for (y = 0; y < MAX_GRID_YSIZE; y++)
8878       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8879
8880   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8881
8882   SetOverlayShowGrid(FALSE);
8883
8884   return success;
8885 }
8886
8887 void ConfigureVirtualButtons(void)
8888 {
8889   boolean success = ConfigureVirtualButtonsMain();
8890
8891   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8892                          SCREEN_MASK_TOUCH2);
8893
8894   if (success)
8895   {
8896     int font_nr = FONT_TITLE_1;
8897     int font_height = getFontHeight(font_nr);
8898     int ypos1 = SYSIZE / 2 - font_height * 2;
8899     int ypos2 = SYSIZE / 2 - font_height * 1;
8900     unsigned int wait_frame_delay = 0;
8901     unsigned int wait_frame_delay_value = 2000;
8902
8903     ResetDelayCounter(&wait_frame_delay);
8904
8905     ClearField();
8906
8907     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8908     DrawTextSCentered(ypos2, font_nr, "configured!");
8909
8910     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8911       BackToFront();
8912
8913     ClearEventQueue();
8914   }
8915 }
8916
8917 void DrawSetupScreen(void)
8918 {
8919   align_xoffset = 0;
8920   align_yoffset = 0;
8921
8922   if (setup_mode == SETUP_MODE_INPUT)
8923     DrawSetupScreen_Input();
8924   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
8925     DrawChooseTree(&game_speed_current);
8926   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
8927     DrawChooseTree(&scroll_delay_current);
8928   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
8929     DrawChooseTree(&snapshot_mode_current);
8930   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8931     DrawChooseTree(&window_size_current);
8932   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
8933     DrawChooseTree(&scaling_type_current);
8934   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
8935     DrawChooseTree(&rendering_mode_current);
8936   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
8937     DrawChooseTree(&vsync_mode_current);
8938   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
8939     DrawChooseTree(&artwork.gfx_current);
8940   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
8941     DrawChooseTree(&artwork.snd_current);
8942   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
8943     DrawChooseTree(&artwork.mus_current);
8944   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
8945     DrawChooseTree(&volume_simple_current);
8946   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
8947     DrawChooseTree(&volume_loops_current);
8948   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
8949     DrawChooseTree(&volume_music_current);
8950   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
8951     DrawChooseTree(&touch_control_current);
8952   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
8953     DrawChooseTree(&move_distance_current);
8954   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
8955     DrawChooseTree(&drop_distance_current);
8956   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
8957     DrawChooseTree(&transparency_current);
8958   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
8959     DrawChooseTree(&grid_size_current[0][0]);
8960   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
8961     DrawChooseTree(&grid_size_current[0][1]);
8962   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
8963     DrawChooseTree(&grid_size_current[1][0]);
8964   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
8965     DrawChooseTree(&grid_size_current[1][1]);
8966   else
8967     DrawSetupScreen_Generic();
8968
8969   PlayMenuSoundsAndMusic();
8970 }
8971
8972 void RedrawSetupScreenAfterFullscreenToggle(void)
8973 {
8974   if (setup_mode == SETUP_MODE_GRAPHICS ||
8975       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
8976   {
8977     // update list selection from "setup.window_scaling_percent"
8978     execSetupGraphics_setWindowSizes(TRUE);
8979
8980     DrawSetupScreen();
8981   }
8982 }
8983
8984 void RedrawSetupScreenAfterScreenRotation(int nr)
8985 {
8986   int x, y;
8987
8988   if (setup_mode == SETUP_MODE_TOUCH)
8989   {
8990     // update virtual button settings (depending on screen orientation)
8991     DrawSetupScreen();
8992   }
8993   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
8994   {
8995     // save already configured virtual buttons
8996     for (x = 0; x < MAX_GRID_XSIZE; x++)
8997       for (y = 0; y < MAX_GRID_YSIZE; y++)
8998         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8999   }
9000 }
9001
9002 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9003 {
9004   if (setup_mode == SETUP_MODE_INPUT)
9005     HandleSetupScreen_Input(mx, my, dx, dy, button);
9006   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9007     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9008   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9009     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9010   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9011     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9012   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9013     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9014   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9015     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9016   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9017     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9018   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9019     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9020   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9021     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9022   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9023     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9024   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9025     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9026   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9027     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9028   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9029     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9030   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9031     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9032   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9033     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9034   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9035     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9036   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9037     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9038   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9039     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9040   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9041     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9042   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9043     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9044   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9045     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9046   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9047     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9048   else
9049     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9050 }
9051
9052 void HandleGameActions(void)
9053 {
9054   if (setup.ask_on_game_over)
9055     CheckGameOver();
9056
9057   if (game.restart_game_message != NULL)
9058   {
9059     RequestRestartGame(game.restart_game_message);
9060
9061     return;
9062   }
9063
9064   if (game_status != GAME_MODE_PLAYING)
9065     return;
9066
9067   GameActions();                // main game loop
9068
9069   if (tape.auto_play && !tape.playing)
9070     AutoPlayTapesContinue();    // continue automatically playing next tape
9071 }
9072
9073
9074 // ---------- new screen button stuff --------------------------------------
9075
9076 static struct
9077 {
9078   int gfx_unpressed, gfx_pressed;
9079   struct MenuPosInfo *pos;
9080   boolean *check_value;
9081   int gadget_id;
9082   int screen_mask;
9083   unsigned int event_mask;
9084   boolean is_touch_button;
9085   char *infotext;
9086 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9087 {
9088   {
9089     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9090     &menu.main.button.prev_level, NULL,
9091     SCREEN_CTRL_ID_PREV_LEVEL,
9092     SCREEN_MASK_MAIN,
9093     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9094     FALSE, "previous level"
9095   },
9096   {
9097     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9098     &menu.main.button.next_level, NULL,
9099     SCREEN_CTRL_ID_NEXT_LEVEL,
9100     SCREEN_MASK_MAIN,
9101     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9102     FALSE, "next level"
9103   },
9104   {
9105     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9106     &menu.main.button.first_level, NULL,
9107     SCREEN_CTRL_ID_FIRST_LEVEL,
9108     SCREEN_MASK_MAIN,
9109     GD_EVENT_RELEASED,
9110     FALSE, "first level"
9111   },
9112   {
9113     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9114     &menu.main.button.last_level, NULL,
9115     SCREEN_CTRL_ID_LAST_LEVEL,
9116     SCREEN_MASK_MAIN,
9117     GD_EVENT_RELEASED,
9118     FALSE, "last level"
9119   },
9120   {
9121     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9122     &menu.main.button.level_number, NULL,
9123     SCREEN_CTRL_ID_LEVEL_NUMBER,
9124     SCREEN_MASK_MAIN,
9125     GD_EVENT_RELEASED,
9126     FALSE, "level number"
9127   },
9128   {
9129     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9130     &menu.setup.button.prev_player, NULL,
9131     SCREEN_CTRL_ID_PREV_PLAYER,
9132     SCREEN_MASK_INPUT,
9133     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9134     FALSE, "previous player"
9135   },
9136   {
9137     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9138     &menu.setup.button.next_player, NULL,
9139     SCREEN_CTRL_ID_NEXT_PLAYER,
9140     SCREEN_MASK_INPUT,
9141     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9142     FALSE, "next player"
9143   },
9144   {
9145     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9146     &menu.main.button.insert_solution, NULL,
9147     SCREEN_CTRL_ID_INSERT_SOLUTION,
9148     SCREEN_MASK_MAIN_HAS_SOLUTION,
9149     GD_EVENT_RELEASED,
9150     FALSE, "insert solution tape"
9151   },
9152   {
9153     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9154     &menu.main.button.play_solution, NULL,
9155     SCREEN_CTRL_ID_PLAY_SOLUTION,
9156     SCREEN_MASK_MAIN_HAS_SOLUTION,
9157     GD_EVENT_RELEASED,
9158     FALSE, "play solution tape"
9159   },
9160   {
9161     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9162     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9163     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9164     SCREEN_MASK_MAIN,
9165     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9166     FALSE, "switch ECS/AGA chipset"
9167   },
9168   {
9169     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9170     &menu.setup.button.touch_back, NULL,
9171     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9172     SCREEN_MASK_TOUCH,
9173     GD_EVENT_RELEASED,
9174     TRUE, "previous page"
9175   },
9176   {
9177     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9178     &menu.setup.button.touch_next, NULL,
9179     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9180     SCREEN_MASK_TOUCH,
9181     GD_EVENT_RELEASED,
9182     TRUE, "next page"
9183   },
9184   {
9185     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9186     &menu.setup.button.touch_back2, NULL,
9187     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9188     SCREEN_MASK_TOUCH2,
9189     GD_EVENT_RELEASED,
9190     TRUE, "previous page"
9191   },
9192   {
9193     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9194     &menu.setup.button.touch_next2, NULL,
9195     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9196     SCREEN_MASK_TOUCH2,
9197     GD_EVENT_RELEASED,
9198     TRUE, "next page"
9199   },
9200 };
9201
9202 static struct
9203 {
9204   int gfx_unpressed, gfx_pressed;
9205   int x, y;
9206   int gadget_id;
9207   char *infotext;
9208 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9209 {
9210   {
9211     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9212     -1, -1,     // these values are not constant, but can change at runtime
9213     SCREEN_CTRL_ID_SCROLL_UP,
9214     "scroll up"
9215   },
9216   {
9217     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9218     -1, -1,     // these values are not constant, but can change at runtime
9219     SCREEN_CTRL_ID_SCROLL_DOWN,
9220     "scroll down"
9221   }
9222 };
9223
9224 static struct
9225 {
9226   int gfx_unpressed, gfx_pressed;
9227   int x, y;
9228   int width, height;
9229   int type;
9230   int gadget_id;
9231   char *infotext;
9232 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9233 {
9234   {
9235     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9236     -1, -1,     // these values are not constant, but can change at runtime
9237     -1, -1,     // these values are not constant, but can change at runtime
9238     GD_TYPE_SCROLLBAR_VERTICAL,
9239     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9240     "scroll level series vertically"
9241   }
9242 };
9243
9244 static struct
9245 {
9246   int graphic;
9247   int gadget_id;
9248   int x, y;
9249   int size;
9250   char *value;
9251   char *infotext;
9252 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9253 {
9254   {
9255     IMG_SETUP_INPUT_TEXT,
9256     SCREEN_CTRL_ID_NETWORK_SERVER,
9257     -1, -1,     // these values are not constant, but can change at runtime
9258     MAX_SETUP_TEXT_INPUT_LEN,
9259     network_server_hostname,
9260     "Network Server Hostname / IP"
9261   },
9262 };
9263
9264 static void CreateScreenMenubuttons(void)
9265 {
9266   struct GadgetInfo *gi;
9267   unsigned int event_mask;
9268   int i;
9269
9270   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9271   {
9272     struct MenuPosInfo *pos = menubutton_info[i].pos;
9273     boolean is_touch_button = menubutton_info[i].is_touch_button;
9274     boolean is_check_button = menubutton_info[i].check_value != NULL;
9275     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9276     int gfx_unpressed, gfx_pressed;
9277     int x, y, width, height;
9278     int gd_x1, gd_x2, gd_y1, gd_y2;
9279     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9280     int id = menubutton_info[i].gadget_id;
9281     int type = GD_TYPE_NORMAL_BUTTON;
9282     boolean checked = FALSE;
9283
9284     event_mask = menubutton_info[i].event_mask;
9285
9286     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9287     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9288
9289     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9290     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9291
9292     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9293     gfx_pressed   = menubutton_info[i].gfx_pressed;
9294     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9295     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9296     gd_x1 = graphic_info[gfx_unpressed].src_x;
9297     gd_y1 = graphic_info[gfx_unpressed].src_y;
9298     gd_x2 = graphic_info[gfx_pressed].src_x;
9299     gd_y2 = graphic_info[gfx_pressed].src_y;
9300     gd_x1a = gd_x1;
9301     gd_y1a = gd_y1;
9302     gd_x2a = gd_x2;
9303     gd_y2a = gd_y2;
9304
9305     if (is_touch_button)
9306     {
9307       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9308       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9309     }
9310
9311     if (is_check_button)
9312     {
9313       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9314       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9315       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9316       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9317
9318       type = GD_TYPE_CHECK_BUTTON;
9319       checked = *menubutton_info[i].check_value;
9320     }
9321
9322     gi = CreateGadget(GDI_CUSTOM_ID, id,
9323                       GDI_CUSTOM_TYPE_ID, i,
9324                       GDI_IMAGE_ID, gfx_unpressed,
9325                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9326                       GDI_X, x,
9327                       GDI_Y, y,
9328                       GDI_WIDTH, width,
9329                       GDI_HEIGHT, height,
9330                       GDI_TYPE, type,
9331                       GDI_STATE, GD_BUTTON_UNPRESSED,
9332                       GDI_CHECKED, checked,
9333                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9334                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9335                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9336                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9337                       GDI_DIRECT_DRAW, FALSE,
9338                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9339                       GDI_EVENT_MASK, event_mask,
9340                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9341                       GDI_END);
9342
9343     if (gi == NULL)
9344       Fail("cannot create gadget");
9345
9346     screen_gadget[id] = gi;
9347   }
9348 }
9349
9350 static void CreateScreenScrollbuttons(void)
9351 {
9352   struct GadgetInfo *gi;
9353   unsigned int event_mask;
9354   int i;
9355
9356   // these values are not constant, but can change at runtime
9357   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9358   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9359   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9360   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9361
9362   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9363   {
9364     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9365     int gfx_unpressed, gfx_pressed;
9366     int x, y, width, height;
9367     int gd_x1, gd_x2, gd_y1, gd_y2;
9368     int id = scrollbutton_info[i].gadget_id;
9369
9370     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9371
9372     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9373     y = mSY + scrollbutton_info[i].y;
9374     width = SC_SCROLLBUTTON_XSIZE;
9375     height = SC_SCROLLBUTTON_YSIZE;
9376
9377     // correct scrollbar position if placed outside menu (playfield) area
9378     if (x > SX + SC_SCROLL_UP_XPOS)
9379       x = SX + SC_SCROLL_UP_XPOS;
9380
9381     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9382       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9383                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9384
9385     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9386     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9387     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9388     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9389     gd_x1 = graphic_info[gfx_unpressed].src_x;
9390     gd_y1 = graphic_info[gfx_unpressed].src_y;
9391     gd_x2 = graphic_info[gfx_pressed].src_x;
9392     gd_y2 = graphic_info[gfx_pressed].src_y;
9393
9394     gi = CreateGadget(GDI_CUSTOM_ID, id,
9395                       GDI_CUSTOM_TYPE_ID, i,
9396                       GDI_IMAGE_ID, gfx_unpressed,
9397                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9398                       GDI_X, x,
9399                       GDI_Y, y,
9400                       GDI_WIDTH, width,
9401                       GDI_HEIGHT, height,
9402                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9403                       GDI_STATE, GD_BUTTON_UNPRESSED,
9404                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9405                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9406                       GDI_DIRECT_DRAW, FALSE,
9407                       GDI_EVENT_MASK, event_mask,
9408                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9409                       GDI_END);
9410
9411     if (gi == NULL)
9412       Fail("cannot create gadget");
9413
9414     screen_gadget[id] = gi;
9415   }
9416 }
9417
9418 static void CreateScreenScrollbars(void)
9419 {
9420   int i;
9421
9422   // these values are not constant, but can change at runtime
9423   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9424   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9425   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9426   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9427
9428   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9429   {
9430     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9431     int gfx_unpressed, gfx_pressed;
9432     int x, y, width, height;
9433     int gd_x1, gd_x2, gd_y1, gd_y2;
9434     struct GadgetInfo *gi;
9435     int items_max, items_visible, item_position;
9436     unsigned int event_mask;
9437     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9438     int id = scrollbar_info[i].gadget_id;
9439
9440     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9441
9442     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9443     y = mSY + scrollbar_info[i].y;
9444     width  = scrollbar_info[i].width;
9445     height = scrollbar_info[i].height;
9446
9447     // correct scrollbar position if placed outside menu (playfield) area
9448     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9449       x = SX + SC_SCROLL_VERTICAL_XPOS;
9450
9451     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9452       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9453
9454     items_max = num_page_entries;
9455     items_visible = num_page_entries;
9456     item_position = 0;
9457
9458     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9459     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9460     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9461     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9462     gd_x1 = graphic_info[gfx_unpressed].src_x;
9463     gd_y1 = graphic_info[gfx_unpressed].src_y;
9464     gd_x2 = graphic_info[gfx_pressed].src_x;
9465     gd_y2 = graphic_info[gfx_pressed].src_y;
9466
9467     gi = CreateGadget(GDI_CUSTOM_ID, id,
9468                       GDI_CUSTOM_TYPE_ID, i,
9469                       GDI_IMAGE_ID, gfx_unpressed,
9470                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9471                       GDI_X, x,
9472                       GDI_Y, y,
9473                       GDI_WIDTH, width,
9474                       GDI_HEIGHT, height,
9475                       GDI_TYPE, scrollbar_info[i].type,
9476                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9477                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9478                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9479                       GDI_WHEEL_AREA_X, SX,
9480                       GDI_WHEEL_AREA_Y, SY,
9481                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9482                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9483                       GDI_STATE, GD_BUTTON_UNPRESSED,
9484                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9485                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9486                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9487                       GDI_DIRECT_DRAW, FALSE,
9488                       GDI_EVENT_MASK, event_mask,
9489                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9490                       GDI_END);
9491
9492     if (gi == NULL)
9493       Fail("cannot create gadget");
9494
9495     screen_gadget[id] = gi;
9496   }
9497 }
9498
9499 static void CreateScreenTextInputGadgets(void)
9500 {
9501   int i;
9502
9503   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9504   {
9505     int graphic = textinput_info[i].graphic;
9506     struct GraphicInfo *gd = &graphic_info[graphic];
9507     int gd_x1 = gd->src_x;
9508     int gd_y1 = gd->src_y;
9509     int gd_x2 = gd->src_x + gd->active_xoffset;
9510     int gd_y2 = gd->src_y + gd->active_yoffset;
9511     struct GadgetInfo *gi;
9512     unsigned int event_mask;
9513     int id = textinput_info[i].gadget_id;
9514     int x = textinput_info[i].x;
9515     int y = textinput_info[i].y;
9516
9517     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9518
9519     gi = CreateGadget(GDI_CUSTOM_ID, id,
9520                       GDI_CUSTOM_TYPE_ID, i,
9521                       GDI_INFO_TEXT, textinput_info[i].infotext,
9522                       GDI_X, SX + x,
9523                       GDI_Y, SY + y,
9524                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9525                       GDI_TEXT_VALUE, textinput_info[i].value,
9526                       GDI_TEXT_SIZE, textinput_info[i].size,
9527                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9528                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9529                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9530                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9531                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9532                       GDI_DESIGN_WIDTH, gd->width,
9533                       GDI_EVENT_MASK, event_mask,
9534                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9535                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9536                       GDI_END);
9537
9538     if (gi == NULL)
9539       Fail("cannot create gadget");
9540
9541     screen_gadget[id] = gi;
9542   }
9543 }
9544
9545 void CreateScreenGadgets(void)
9546 {
9547   CreateScreenMenubuttons();
9548
9549   CreateScreenScrollbuttons();
9550   CreateScreenScrollbars();
9551
9552   CreateScreenTextInputGadgets();
9553 }
9554
9555 void FreeScreenGadgets(void)
9556 {
9557   int i;
9558
9559   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9560     FreeGadget(screen_gadget[i]);
9561 }
9562
9563 static void MapScreenMenuGadgets(int screen_mask)
9564 {
9565   int i;
9566
9567   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9568     if (screen_mask & menubutton_info[i].screen_mask)
9569       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9570 }
9571
9572 static void UnmapScreenMenuGadgets(int screen_mask)
9573 {
9574   int i;
9575
9576   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9577   {
9578     if (screen_mask & menubutton_info[i].screen_mask)
9579     {
9580       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9581
9582       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9583         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9584                        screen_gadget[menubutton_info[i].gadget_id]->y,
9585                        screen_gadget[menubutton_info[i].gadget_id]->width,
9586                        screen_gadget[menubutton_info[i].gadget_id]->height);
9587     }
9588   }
9589 }
9590
9591 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9592 {
9593   if (map_gadgets)
9594     MapScreenMenuGadgets(screen_mask);
9595   else
9596     UnmapScreenMenuGadgets(screen_mask);
9597 }
9598
9599 static void MapScreenGadgets(int num_entries)
9600 {
9601   int i;
9602
9603   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9604     return;
9605
9606   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9607     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9608
9609   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9610     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9611 }
9612
9613 static void MapScreenTreeGadgets(TreeInfo *ti)
9614 {
9615   MapScreenGadgets(numTreeInfoInGroup(ti));
9616 }
9617
9618 static void HandleScreenGadgets(struct GadgetInfo *gi)
9619 {
9620   int id = gi->custom_id;
9621   int button = gi->event.button;
9622   int step = (button == MB_LEFTBUTTON   ? 1 :
9623               button == MB_MIDDLEBUTTON ? 5 :
9624               button == MB_RIGHTBUTTON  ? 10 : 1);
9625
9626   switch (id)
9627   {
9628     case SCREEN_CTRL_ID_PREV_LEVEL:
9629       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9630       break;
9631
9632     case SCREEN_CTRL_ID_NEXT_LEVEL:
9633       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9634       break;
9635
9636     case SCREEN_CTRL_ID_FIRST_LEVEL:
9637       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9638       break;
9639
9640     case SCREEN_CTRL_ID_LAST_LEVEL:
9641       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9642       break;
9643
9644     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9645       CloseDoor(DOOR_CLOSE_2);
9646       SetGameStatus(GAME_MODE_LEVELNR);
9647       DrawChooseLevelNr();
9648       break;
9649
9650     case SCREEN_CTRL_ID_PREV_PLAYER:
9651       HandleSetupScreen_Input_Player(step, -1);
9652       break;
9653
9654     case SCREEN_CTRL_ID_NEXT_PLAYER:
9655       HandleSetupScreen_Input_Player(step, +1);
9656       break;
9657
9658     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9659       InsertSolutionTape();
9660       break;
9661
9662     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9663       PlaySolutionTape();
9664       break;
9665
9666     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9667       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9668       DrawMainMenu();
9669       break;
9670
9671     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9672     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9673     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9674     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9675       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9676       break;
9677
9678     case SCREEN_CTRL_ID_SCROLL_UP:
9679       if (game_status == GAME_MODE_NAMES)
9680         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9681       else if (game_status == GAME_MODE_LEVELS)
9682         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9683       else if (game_status == GAME_MODE_LEVELNR)
9684         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9685       else if (game_status == GAME_MODE_SETUP)
9686         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9687       else if (game_status == GAME_MODE_INFO)
9688         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9689       break;
9690
9691     case SCREEN_CTRL_ID_SCROLL_DOWN:
9692       if (game_status == GAME_MODE_NAMES)
9693         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9694       else if (game_status == GAME_MODE_LEVELS)
9695         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9696       else if (game_status == GAME_MODE_LEVELNR)
9697         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9698       else if (game_status == GAME_MODE_SETUP)
9699         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9700       else if (game_status == GAME_MODE_INFO)
9701         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9702       break;
9703
9704     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9705       if (game_status == GAME_MODE_NAMES)
9706         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9707       else if (game_status == GAME_MODE_LEVELS)
9708         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9709       else if (game_status == GAME_MODE_LEVELNR)
9710         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9711       else if (game_status == GAME_MODE_SETUP)
9712         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9713       else if (game_status == GAME_MODE_INFO)
9714         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9715       break;
9716
9717     case SCREEN_CTRL_ID_NETWORK_SERVER:
9718     {
9719       if (!strEqual(gi->textinput.value, ""))
9720       {
9721         setString(&setup.network_server_hostname, gi->textinput.value);
9722
9723         network.server_host = setup.network_server_hostname;
9724       }
9725       else
9726       {
9727         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9728
9729         network.server_host = NULL;
9730       }
9731
9732       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9733         network.server_host = NULL;
9734
9735       execSetupGame_setNetworkServerText();
9736
9737       DrawSetupScreen();
9738
9739       break;
9740     }
9741
9742     default:
9743       break;
9744   }
9745 }
9746
9747 void DumpScreenIdentifiers(void)
9748 {
9749   int i;
9750
9751   Print("Active screen elements on current screen:\n");
9752
9753   for (i = 0; main_controls[i].nr != -1; i++)
9754   {
9755     struct MainControlInfo *mci = &main_controls[i];
9756
9757     if (mci->button_graphic != -1)
9758     {
9759       char *token = getTokenFromImageID(mci->button_graphic);
9760
9761       Print("- '%s'\n", token);
9762     }
9763   }
9764
9765   Print("Done.\n");
9766 }
9767
9768 boolean DoScreenAction(int image_id)
9769 {
9770   int i;
9771
9772   if (game_status != GAME_MODE_MAIN)
9773     return FALSE;
9774
9775   for (i = 0; main_controls[i].nr != -1; i++)
9776   {
9777     struct MainControlInfo *mci = &main_controls[i];
9778     struct MenuPosInfo *pos = mci->pos_button;
9779
9780     if (mci->button_graphic == image_id)
9781     {
9782       int x = mSX + pos->x;
9783       int y = mSY + pos->y;
9784
9785       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9786
9787       return TRUE;
9788     }
9789   }
9790
9791   return FALSE;
9792 }
9793
9794 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9795 {
9796   // get tree info node of newly added level or artwork set
9797   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9798   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9799                                                       tree_subdir_new);
9800   if (tree_node_new == NULL)    // should not happen
9801     return;
9802
9803   // if request dialog is active, do nothing
9804   if (game.request_active)
9805     return;
9806
9807   if (game_status == GAME_MODE_MAIN &&
9808       tree_type == TREE_TYPE_LEVEL_DIR)
9809   {
9810     // when adding new level set in main menu, select it as current level set
9811
9812     // change current level set to newly added level set from zip file
9813     leveldir_current = tree_node_new;
9814
9815     // change current level number to first level of newly added level set
9816     level_nr = leveldir_current->first_level;
9817
9818     // redraw screen to reflect changed level set
9819     DrawMainMenu();
9820
9821     // save this level set and level number as last selected level set
9822     SaveLevelSetup_LastSeries();
9823     SaveLevelSetup_SeriesInfo();
9824   }
9825   else if (game_status == GAME_MODE_LEVELS &&
9826            tree_type == TREE_TYPE_LEVEL_DIR)
9827   {
9828     // when adding new level set in level set menu, set cursor and update screen
9829
9830     leveldir_current = tree_node_new;
9831
9832     DrawChooseTree(&leveldir_current);
9833   }
9834   else if (game_status == GAME_MODE_SETUP)
9835   {
9836     // when adding new artwork set in setup menu, set cursor and update screen
9837
9838     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9839         tree_type == TREE_TYPE_GRAPHICS_DIR)
9840     {
9841       artwork.gfx_current = tree_node_new;
9842
9843       DrawChooseTree(&artwork.gfx_current);
9844     }
9845     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9846              tree_type == TREE_TYPE_SOUNDS_DIR)
9847     {
9848       artwork.snd_current = tree_node_new;
9849
9850       DrawChooseTree(&artwork.snd_current);
9851     }
9852     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9853              tree_type == TREE_TYPE_MUSIC_DIR)
9854     {
9855       artwork.mus_current = tree_node_new;
9856
9857       DrawChooseTree(&artwork.mus_current);
9858     }
9859   }
9860 }
9861
9862 static int UploadTapes(void)
9863 {
9864   SetGameStatus(GAME_MODE_LOADING);
9865
9866   FadeSetEnterScreen();
9867   FadeOut(REDRAW_ALL);
9868
9869   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
9870
9871   FadeIn(REDRAW_ALL);
9872
9873   DrawInitTextHead("Uploading tapes");
9874
9875   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
9876   global.autoplay_leveldir = "ALL";
9877   global.autoplay_all = TRUE;
9878
9879   int num_tapes_uploaded = AutoPlayTapes();
9880
9881   global.autoplay_mode = AUTOPLAY_MODE_NONE;
9882   global.autoplay_leveldir = NULL;
9883   global.autoplay_all = FALSE;
9884
9885   SetGameStatus(GAME_MODE_MAIN);
9886
9887   DrawMainMenu();
9888
9889   return num_tapes_uploaded;
9890 }
9891
9892 static boolean OfferUploadTapes(void)
9893 {
9894   if (!Request("Upload all your tapes to the high score server now?", REQ_ASK))
9895     return FALSE;
9896
9897   int num_tapes_uploaded = UploadTapes();
9898   char message[100];
9899
9900   sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
9901
9902   Request(message, REQ_CONFIRM);
9903
9904   // after all tapes have been uploaded, remove entry from setup menu
9905   setup.provide_uploading_tapes = FALSE;
9906
9907   SaveSetup();
9908
9909   return (num_tapes_uploaded > 0);
9910 }
9911
9912 void CheckUploadTapes(void)
9913 {
9914   if (!setup.ask_for_uploading_tapes)
9915     return;
9916
9917   if (directoryExists(getTapeDir(NULL)))
9918   {
9919     boolean tapes_uploaded = OfferUploadTapes();
9920
9921     if (!tapes_uploaded)
9922       Request("You can upload your tapes from the setup menu later!",
9923               REQ_CONFIRM);
9924   }
9925   else
9926   {
9927     // if tapes directory does not exist yet, never offer uploading all tapes
9928     setup.provide_uploading_tapes = FALSE;
9929   }
9930
9931   // after asking for uploading all tapes once, do not ask again
9932   setup.ask_for_uploading_tapes = FALSE;
9933
9934   SaveSetup();
9935 }