fixed text length calculation bug
[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 #include "api.h"
26
27
28 #define DEBUG_JOYSTICKS         0
29
30
31 // screens on the info screen
32 #define INFO_MODE_MAIN                  0
33 #define INFO_MODE_TITLE                 1
34 #define INFO_MODE_ELEMENTS              2
35 #define INFO_MODE_MUSIC                 3
36 #define INFO_MODE_CREDITS               4
37 #define INFO_MODE_PROGRAM               5
38 #define INFO_MODE_VERSION               6
39 #define INFO_MODE_LEVELSET              7
40
41 #define MAX_INFO_MODES                  8
42
43 // screens on the setup screen
44 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
45 // (should also match corresponding entries in src/conf_gfx.c)
46 #define SETUP_MODE_MAIN                 0
47 #define SETUP_MODE_GAME                 1
48 #define SETUP_MODE_ENGINES              2
49 #define SETUP_MODE_EDITOR               3
50 #define SETUP_MODE_GRAPHICS             4
51 #define SETUP_MODE_SOUND                5
52 #define SETUP_MODE_ARTWORK              6
53 #define SETUP_MODE_INPUT                7
54 #define SETUP_MODE_TOUCH                8
55 #define SETUP_MODE_SHORTCUTS            9
56 #define SETUP_MODE_SHORTCUTS_1          10
57 #define SETUP_MODE_SHORTCUTS_2          11
58 #define SETUP_MODE_SHORTCUTS_3          12
59 #define SETUP_MODE_SHORTCUTS_4          13
60 #define SETUP_MODE_SHORTCUTS_5          14
61
62 // sub-screens on the setup screen (generic)
63 #define SETUP_MODE_CHOOSE_ARTWORK       15
64 #define SETUP_MODE_CHOOSE_OTHER         16
65
66 // sub-screens on the setup screen (specific)
67 #define SETUP_MODE_CHOOSE_SCORES_TYPE   17
68 #define SETUP_MODE_CHOOSE_GAME_SPEED    18
69 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  19
70 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 20
71 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   21
72 #define SETUP_MODE_CHOOSE_SCALING_TYPE  22
73 #define SETUP_MODE_CHOOSE_RENDERING     23
74 #define SETUP_MODE_CHOOSE_VSYNC         24
75 #define SETUP_MODE_CHOOSE_GRAPHICS      25
76 #define SETUP_MODE_CHOOSE_SOUNDS        26
77 #define SETUP_MODE_CHOOSE_MUSIC         27
78 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 28
79 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  29
80 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  30
81 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 31
82 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 32
83 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 33
84 #define SETUP_MODE_CHOOSE_TRANSPARENCY  34
85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  35
86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  36
87 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  37
88 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  38
89 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  39
90
91 #define MAX_SETUP_MODES                 40
92
93 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
94
95 // info screen titles
96 #define STR_INFO_MAIN                   "Info Screen"
97 #define STR_INFO_TITLE                  "Title Screen"
98 #define STR_INFO_ELEMENTS               "Game Elements"
99 #define STR_INFO_MUSIC                  "Music Info"
100 #define STR_INFO_CREDITS                "Credits"
101 #define STR_INFO_PROGRAM                "Program Info"
102 #define STR_INFO_VERSION                "Version Info"
103 #define STR_INFO_LEVELSET               "Level Set Info"
104 #define STR_INFO_EXIT                   "Exit"
105
106 // setup screen titles
107 #define STR_SETUP_MAIN                  "Setup"
108 #define STR_SETUP_GAME                  "Game & Menu"
109 #define STR_SETUP_ENGINES               "Game Engines"
110 #define STR_SETUP_EDITOR                "Editor"
111 #define STR_SETUP_GRAPHICS              "Graphics"
112 #define STR_SETUP_SOUND                 "Sound & Music"
113 #define STR_SETUP_ARTWORK               "Custom Artwork"
114 #define STR_SETUP_INPUT                 "Input Devices"
115 #define STR_SETUP_TOUCH                 "Touch Controls"
116 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
117 #define STR_SETUP_EXIT                  "Exit"
118 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
119
120 #define STR_SETUP_CHOOSE_SCORES_TYPE    "Scores Type"
121 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
122 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
123 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
124 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
125 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
126 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
127 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
128 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
129 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
130 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
131 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
132 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
133 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
134 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
135 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
136 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
137 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
138 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
139
140 // other screen text constants
141 #define STR_CHOOSE_TREE_EDIT            "Edit"
142 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
143 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
144
145 #define TEXT_MAIN_MENU                  "Press any key or button for main menu"
146 #define TEXT_INFO_MENU                  "Press any key or button for info menu"
147 #define TEXT_NEXT_PAGE                  "Press any key or button for next page"
148 #define TEXT_NEXT_MENU                  (info_screens_from_main ?       \
149                                          TEXT_MAIN_MENU : TEXT_INFO_MENU)
150
151 // for input setup functions
152 #define SETUPINPUT_SCREEN_POS_START     0
153 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
154 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
155 #define SETUPINPUT_SCREEN_POS_END       13
156
157 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
158 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
159
160 #define MAX_SETUP_TEXT_INPUT_LEN        28
161
162 // for various menu stuff
163 #define MENU_SCREEN_START_XPOS          1
164 #define MENU_SCREEN_START_YPOS          2
165 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
166 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
167 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
168 #define MENU_TITLE1_YPOS                8
169 #define MENU_TITLE2_YPOS                46
170 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
171 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
172 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
173 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
174 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
175 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
176 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
177 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
178 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
179 #define MENU_SCREEN_INFO_YSTART         MENU_SCREEN_INFO_SPACE_TOP
180 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
181 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
182 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
183                                          MENU_SCREEN_INFO_YSTART -      \
184                                          TILEY / 2)
185 #define MAX_INFO_ELEMENTS_IN_ARRAY      128
186 #define MAX_INFO_ELEMENTS_ON_SCREEN     (SYSIZE / TILEY)
187 #define MAX_INFO_ELEMENTS               MIN(MAX_INFO_ELEMENTS_IN_ARRAY, \
188                                             MAX_INFO_ELEMENTS_ON_SCREEN)
189 #define STD_INFO_ELEMENTS_ON_SCREEN     10
190 #define DYN_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
191                                          MENU_SCREEN_INFO_YSTEP)
192 #define DEFAULT_INFO_ELEMENTS           MIN(STD_INFO_ELEMENTS_ON_SCREEN,\
193                                             DYN_INFO_ELEMENTS_ON_SCREEN)
194 #define NUM_INFO_ELEMENTS_FROM_CONF                                     \
195   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
196    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
197    DEFAULT_INFO_ELEMENTS)
198 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(NUM_INFO_ELEMENTS_FROM_CONF,\
199                                             MAX_INFO_ELEMENTS)
200 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
201 #define MAX_MENU_TEXT_LENGTH_BIG        13
202 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
203
204 // screen gadget identifiers
205 #define SCREEN_CTRL_ID_PREV_LEVEL       0
206 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
207 #define SCREEN_CTRL_ID_PREV_LEVEL2      2
208 #define SCREEN_CTRL_ID_NEXT_LEVEL2      3
209 #define SCREEN_CTRL_ID_PREV_SCORE       4
210 #define SCREEN_CTRL_ID_NEXT_SCORE       5
211 #define SCREEN_CTRL_ID_PLAY_TAPE        6
212 #define SCREEN_CTRL_ID_FIRST_LEVEL      7
213 #define SCREEN_CTRL_ID_LAST_LEVEL       8
214 #define SCREEN_CTRL_ID_LEVEL_NUMBER     9
215 #define SCREEN_CTRL_ID_PREV_PLAYER      10
216 #define SCREEN_CTRL_ID_NEXT_PLAYER      11
217 #define SCREEN_CTRL_ID_INSERT_SOLUTION  12
218 #define SCREEN_CTRL_ID_PLAY_SOLUTION    13
219 #define SCREEN_CTRL_ID_LEVELSET_INFO    14
220 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   15
221 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  16
222 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  17
223 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 18
224 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 19
225
226 #define NUM_SCREEN_MENUBUTTONS          20
227
228 #define SCREEN_CTRL_ID_SCROLL_UP        20
229 #define SCREEN_CTRL_ID_SCROLL_DOWN      21
230 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  22
231 #define SCREEN_CTRL_ID_NETWORK_SERVER   23
232
233 #define NUM_SCREEN_GADGETS              24
234
235 #define NUM_SCREEN_SCROLLBUTTONS        2
236 #define NUM_SCREEN_SCROLLBARS           1
237 #define NUM_SCREEN_TEXTINPUT            1
238
239 #define SCREEN_MASK_MAIN                (1 << 0)
240 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
241 #define SCREEN_MASK_MAIN_HAS_SET_INFO   (1 << 2)
242 #define SCREEN_MASK_INPUT               (1 << 3)
243 #define SCREEN_MASK_TOUCH               (1 << 4)
244 #define SCREEN_MASK_TOUCH2              (1 << 5)
245 #define SCREEN_MASK_SCORES              (1 << 6)
246 #define SCREEN_MASK_SCORES_INFO         (1 << 7)
247
248 // graphic position and size values for buttons and scrollbars
249 #define SC_MENUBUTTON_XSIZE             TILEX
250 #define SC_MENUBUTTON_YSIZE             TILEY
251
252 #define SC_SCROLLBUTTON_XSIZE           TILEX
253 #define SC_SCROLLBUTTON_YSIZE           TILEY
254
255 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
256
257 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
258 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
259                                          SC_SCROLLBUTTON_YSIZE)
260
261 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
262 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
263
264 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
265 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
266                                          SC_SCROLLBUTTON_YSIZE)
267
268 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
269 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
270                                          SC_SCROLL_VERTICAL_YSIZE)
271
272 #define SC_BORDER_SIZE                  14
273
274
275 // forward declarations of internal functions
276 static void HandleScreenGadgets(struct GadgetInfo *);
277 static void HandleSetupScreen_Generic(int, int, int, int, int);
278 static void HandleSetupScreen_Input(int, int, int, int, int);
279 static void CustomizeKeyboard(int);
280 static void ConfigureJoystick(int);
281 static void ConfigureVirtualButtons(void);
282 static void execSetupGame(void);
283 static void execSetupEngines(void);
284 static void execSetupGraphics(void);
285 static void execSetupSound(void);
286 static void execSetupTouch(void);
287 static void execSetupArtwork(void);
288 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
289
290 static void DrawChoosePlayerName(void);
291 static void DrawChooseLevelSet(void);
292 static void DrawChooseLevelNr(void);
293 static void DrawScoreInfo(int);
294 static void DrawScoreInfo_Content(int);
295 static void DrawInfoScreen(void);
296 static void DrawSetupScreen(void);
297 static void DrawTypeName(void);
298
299 static void DrawInfoScreen_NotAvailable(char *, char *);
300 static void DrawInfoScreen_HelpAnim(int, int, boolean);
301 static void DrawInfoScreen_HelpText(int, int, int, int);
302 static void HandleInfoScreen_Main(int, int, int, int, int);
303 static void HandleInfoScreen_TitleScreen(int, int, int);
304 static void HandleInfoScreen_Elements(int, int, int);
305 static void HandleInfoScreen_Music(int, int, int);
306 static void HandleInfoScreen_Version(int);
307 static void HandleInfoScreen_Generic(int, int, int);
308
309 static void ModifyGameSpeedIfNeeded(void);
310 static void DisableVsyncIfNeeded(void);
311
312 static void RedrawScreenMenuGadgets(int);
313 static void MapScreenMenuGadgets(int);
314 static void UnmapScreenMenuGadgets(int);
315 static void MapScreenGadgets(int);
316 static void UnmapScreenGadgets(void);
317 static void MapScreenTreeGadgets(TreeInfo *);
318 static void UnmapScreenTreeGadgets(void);
319
320 static void UpdateScreenMenuGadgets(int, boolean);
321 static void AdjustScoreInfoButtons_SelectScore(int, int, int);
322 static void AdjustScoreInfoButtons_PlayTape(int, int, boolean);
323
324 static boolean OfferUploadTapes(void);
325 static void execOfferUploadTapes(void);
326
327 static void DrawHallOfFame_setScoreEntries(void);
328 static void HandleHallOfFame_SelectLevel(int, int);
329 static char *getHallOfFameRankText(int, int);
330 static char *getHallOfFameScoreText(int, int);
331 static char *getInfoScreenTitle_Generic(void);
332 static int getInfoScreenBackgroundImage_Generic(void);
333 static int getInfoScreenBackgroundSound_Generic(void);
334 static int getInfoScreenBackgroundMusic_Generic(void);
335
336 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
337
338 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
339
340 static int info_mode = INFO_MODE_MAIN;
341 static int setup_mode = SETUP_MODE_MAIN;
342
343 static boolean info_screens_from_main = FALSE;
344
345 static TreeInfo *window_sizes = NULL;
346 static TreeInfo *window_size_current = NULL;
347
348 static TreeInfo *scaling_types = NULL;
349 static TreeInfo *scaling_type_current = NULL;
350
351 static TreeInfo *rendering_modes = NULL;
352 static TreeInfo *rendering_mode_current = NULL;
353
354 static TreeInfo *vsync_modes = NULL;
355 static TreeInfo *vsync_mode_current = NULL;
356
357 static TreeInfo *scroll_delays = NULL;
358 static TreeInfo *scroll_delay_current = NULL;
359
360 static TreeInfo *snapshot_modes = NULL;
361 static TreeInfo *snapshot_mode_current = NULL;
362
363 static TreeInfo *scores_types = NULL;
364 static TreeInfo *scores_type_current = NULL;
365
366 static TreeInfo *game_speeds_normal = NULL;
367 static TreeInfo *game_speeds_extended = NULL;
368 static TreeInfo *game_speeds = NULL;
369 static TreeInfo *game_speed_current = NULL;
370
371 static TreeInfo *volumes_simple = NULL;
372 static TreeInfo *volume_simple_current = NULL;
373
374 static TreeInfo *volumes_loops = NULL;
375 static TreeInfo *volume_loops_current = NULL;
376
377 static TreeInfo *volumes_music = NULL;
378 static TreeInfo *volume_music_current = NULL;
379
380 static TreeInfo *touch_controls = NULL;
381 static TreeInfo *touch_control_current = NULL;
382
383 static TreeInfo *move_distances = NULL;
384 static TreeInfo *move_distance_current = NULL;
385
386 static TreeInfo *drop_distances = NULL;
387 static TreeInfo *drop_distance_current = NULL;
388
389 static TreeInfo *transparencies = NULL;
390 static TreeInfo *transparency_current = NULL;
391
392 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
393 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
394
395 static TreeInfo *player_name = NULL;
396 static TreeInfo *player_name_current = NULL;
397
398 static TreeInfo *level_number = NULL;
399 static TreeInfo *level_number_current = NULL;
400
401 static TreeInfo *score_entries = NULL;
402 static TreeInfo *score_entry_current = NULL;
403
404 static struct ValueTextInfo window_sizes_list[] =
405 {
406   {     50,     "50 %"                          },
407   {     80,     "80 %"                          },
408   {     90,     "90 %"                          },
409   {     100,    "100 % (Default)"               },
410   {     110,    "110 %"                         },
411   {     120,    "120 %"                         },
412   {     130,    "130 %"                         },
413   {     140,    "140 %"                         },
414   {     150,    "150 %"                         },
415   {     200,    "200 %"                         },
416   {     250,    "250 %"                         },
417   {     300,    "300 %"                         },
418
419   {     -1,     NULL                            },
420 };
421
422 static struct StringValueTextInfo scaling_types_list[] =
423 {
424   {     SCALING_QUALITY_NEAREST, "Off"          },
425   {     SCALING_QUALITY_LINEAR,  "Linear"       },
426   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
427
428   {     NULL,                    NULL           },
429 };
430
431 static struct StringValueTextInfo rendering_modes_list[] =
432 {
433   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
434   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
435 #if DEBUG
436   // this mode may work under certain conditions, but does not work on Windows
437   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
438 #endif
439   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
440
441   {     NULL,                            NULL                            },
442 };
443
444 static struct StringValueTextInfo vsync_modes_list[] =
445 {
446   {     STR_VSYNC_MODE_OFF,             "Off"           },
447   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
448   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
449
450   {     NULL,                            NULL           },
451 };
452
453 static struct StringValueTextInfo scores_types_list[] =
454 {
455   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
456   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
457   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
458
459   {     NULL,                           NULL            },
460 };
461
462 static struct ValueTextInfo game_speeds_list_normal[] =
463 {
464   {     30,     "Very Slow"                     },
465   {     25,     "Slow"                          },
466   {     20,     "Normal"                        },
467   {     15,     "Fast"                          },
468   {     10,     "Very Fast"                     },
469
470   {     -1,     NULL                            },
471 };
472
473 static struct ValueTextInfo game_speeds_list_extended[] =
474 {
475   {     1000,   "1 fps (Extremely Slow)"        },
476   {     500,    "2 fps"                         },
477   {     200,    "5 fps"                         },
478   {     100,    "10 fps"                        },
479   {     50,     "20 fps"                        },
480   {     29,     "35 fps (Original Supaplex)"    },
481   {     25,     "40 fps"                        },
482   {     20,     "50 fps (=== Normal Speed ===)" },
483   {     16,     "60 fps (60 Hz VSync Speed)"    },
484   {     14,     "70 fps (Maximum Supaplex)"     },
485   {     10,     "100 fps"                       },
486   {     5,      "200 fps"                       },
487   {     2,      "500 fps"                       },
488   {     1,      "1000 fps (Extremely Fast)"     },
489
490   {     -1,     NULL                            },
491 };
492
493 static struct ValueTextInfo *game_speeds_list;
494
495 static struct ValueTextInfo scroll_delays_list[] =
496 {
497   {     0,      "0 Tiles (No Scroll Delay)"     },
498   {     1,      "1 Tile"                        },
499   {     2,      "2 Tiles"                       },
500   {     3,      "3 Tiles (Default)"             },
501   {     4,      "4 Tiles"                       },
502   {     5,      "5 Tiles"                       },
503   {     6,      "6 Tiles"                       },
504   {     7,      "7 Tiles"                       },
505   {     8,      "8 Tiles (Maximum Scroll Delay)"},
506
507   {     -1,     NULL                            },
508 };
509
510 static struct StringValueTextInfo snapshot_modes_list[] =
511 {
512   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
513   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
514   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
515   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
516
517   {     NULL,                                   NULL            },
518 };
519
520 static struct ValueTextInfo volumes_list[] =
521 {
522   {     0,      "0 %"                           },
523   {     1,      "1 %"                           },
524   {     2,      "2 %"                           },
525   {     5,      "5 %"                           },
526   {     10,     "10 %"                          },
527   {     20,     "20 %"                          },
528   {     30,     "30 %"                          },
529   {     40,     "40 %"                          },
530   {     50,     "50 %"                          },
531   {     60,     "60 %"                          },
532   {     70,     "70 %"                          },
533   {     80,     "80 %"                          },
534   {     90,     "90 %"                          },
535   {     100,    "100 %"                         },
536
537   {     -1,     NULL                            },
538 };
539
540 static struct StringValueTextInfo touch_controls_list[] =
541 {
542   {     TOUCH_CONTROL_OFF,              "Off"                   },
543   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
544   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
545   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
546
547   {     NULL,                           NULL                    },
548 };
549
550 static struct ValueTextInfo distances_list[] =
551 {
552   {     1,      "1 %"                           },
553   {     2,      "2 %"                           },
554   {     3,      "3 %"                           },
555   {     4,      "4 %"                           },
556   {     5,      "5 %"                           },
557   {     10,     "10 %"                          },
558   {     15,     "15 %"                          },
559   {     20,     "20 %"                          },
560   {     25,     "25 %"                          },
561
562   {     -1,     NULL                            },
563 };
564
565 static struct ValueTextInfo transparencies_list[] =
566 {
567   {     0,      "0 % (Opaque)"                  },
568   {     10,     "10 %"                          },
569   {     20,     "20 %"                          },
570   {     30,     "30 %"                          },
571   {     40,     "40 %"                          },
572   {     50,     "50 %"                          },
573   {     60,     "60 %"                          },
574   {     70,     "70 %"                          },
575   {     80,     "80 %"                          },
576   {     90,     "90 %"                          },
577   {     100,    "100 % (Invisible)"             },
578
579   {     -1,     NULL                            },
580 };
581
582 static struct ValueTextInfo grid_sizes_list[] =
583 {
584   {     3,      "3"                             },
585   {     4,      "4"                             },
586   {     5,      "5"                             },
587   {     6,      "6"                             },
588   {     7,      "7"                             },
589   {     8,      "8"                             },
590   {     9,      "9"                             },
591   {     10,     "10"                            },
592   {     11,     "11"                            },
593   {     12,     "12"                            },
594   {     13,     "13"                            },
595   {     14,     "14"                            },
596   {     15,     "15"                            },
597   {     16,     "16"                            },
598   {     17,     "17"                            },
599   {     18,     "18"                            },
600   {     19,     "19"                            },
601   {     20,     "20"                            },
602   {     21,     "21"                            },
603   {     22,     "22"                            },
604   {     23,     "23"                            },
605   {     24,     "24"                            },
606   {     25,     "25"                            },
607   {     26,     "26"                            },
608   {     27,     "27"                            },
609   {     28,     "28"                            },
610   {     29,     "29"                            },
611   {     30,     "30"                            },
612   {     31,     "31"                            },
613   {     32,     "32"                            },
614
615   {     -1,     NULL                            },
616 };
617
618 static int align_xoffset = 0;
619 static int align_yoffset = 0;
620
621 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
622                                  (s) <= GAME_MODE_SETUP ? (s) :         \
623                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
624                                  GAME_MODE_MAIN :                       \
625                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
626                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
627
628 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
629 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
630                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
631                                  INFO_MODE_MAIN)
632
633 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
634                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
635                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
636                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
637                                  SETUP_MODE_CHOOSE_ARTWORK :            \
638                                  SETUP_MODE_CHOOSE_OTHER)
639
640 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
641                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
642                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
643 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
644                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
645                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
646 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
647                                  menu.extra_spacing[GAME_MODE_INFO] :   \
648                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
649
650 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
651                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
652                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
653 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
654                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
655                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
656 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
657                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
658                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
659
660 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
661
662 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
663
664 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
665                                  DRAW_XOFFSET_INFO(info_mode) :         \
666                                  (s) == GAME_MODE_SETUP ?               \
667                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
668                                  menu.draw_xoffset[DRAW_MODE(s)])
669 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
670                                  DRAW_YOFFSET_INFO(info_mode) :         \
671                                  (s) == GAME_MODE_SETUP ?               \
672                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
673                                  menu.draw_yoffset[DRAW_MODE(s)])
674 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
675                                  EXTRA_SPACING_INFO(info_mode) :        \
676                                  (s) == GAME_MODE_SETUP ?               \
677                                  EXTRA_SPACING_SETUP(setup_mode) :      \
678                                  (s) == GAME_MODE_SCORES ?              \
679                                  EXTRA_SPACING_SCORES(info_mode) :      \
680                                  menu.extra_spacing[DRAW_MODE(s)])
681
682 #define mSX                     (SX + DRAW_XOFFSET(game_status))
683 #define mSY                     (SY + DRAW_YOFFSET(game_status))
684
685 #define amSX                    (mSX + align_xoffset)
686 #define amSY                    (mSY + align_yoffset)
687
688 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
689                                     menu.list_size[game_status] :       \
690                                     MAX_MENU_ENTRIES_ON_SCREEN)
691
692 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
693                                          NUM_MENU_ENTRIES_ON_SCREEN)
694
695
696 // title display and control definitions
697
698 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
699                                  2 * MAX_NUM_TITLE_MESSAGES)
700
701 #define NO_DIRECT_LEVEL_SELECT  (-1)
702
703
704 static int num_title_screens = 0;
705
706 struct TitleControlInfo
707 {
708   boolean is_image;
709   boolean initial;
710   boolean first;
711   int local_nr;
712   int sort_priority;
713 };
714
715 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
716
717
718 // main menu display and control definitions
719
720 #define MAIN_CONTROL_NAME                       0
721 #define MAIN_CONTROL_LEVELS                     1
722 #define MAIN_CONTROL_SCORES                     2
723 #define MAIN_CONTROL_EDITOR                     3
724 #define MAIN_CONTROL_INFO                       4
725 #define MAIN_CONTROL_GAME                       5
726 #define MAIN_CONTROL_SETUP                      6
727 #define MAIN_CONTROL_QUIT                       7
728 #define MAIN_CONTROL_PREV_LEVEL                 8
729 #define MAIN_CONTROL_NEXT_LEVEL                 9
730 #define MAIN_CONTROL_FIRST_LEVEL                10
731 #define MAIN_CONTROL_LAST_LEVEL                 11
732 #define MAIN_CONTROL_LEVEL_NUMBER               12
733 #define MAIN_CONTROL_LEVEL_INFO_1               13
734 #define MAIN_CONTROL_LEVEL_INFO_2               14
735 #define MAIN_CONTROL_LEVEL_NAME                 15
736 #define MAIN_CONTROL_LEVEL_AUTHOR               16
737 #define MAIN_CONTROL_LEVEL_YEAR                 17
738 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
739 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
740 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
741 #define MAIN_CONTROL_TITLE_1                    21
742 #define MAIN_CONTROL_TITLE_2                    22
743 #define MAIN_CONTROL_TITLE_3                    23
744
745 static char str_main_text_name[10];
746 static char str_main_text_first_level[10];
747 static char str_main_text_last_level[10];
748 static char str_main_text_level_number[10];
749
750 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
751
752 static char *main_text_name                     = str_main_text_name;
753 static char *main_text_first_level              = str_main_text_first_level;
754 static char *main_text_last_level               = str_main_text_last_level;
755 static char *main_text_level_number             = str_main_text_level_number;
756 static char *main_text_levels                   = "Levelset";
757 static char *main_text_scores                   = "Hall Of Fame";
758 static char *main_text_editor                   = "Level Creator";
759 static char *main_text_info                     = "Info Screen";
760 static char *main_text_game                     = "Start Game";
761 static char *main_text_setup                    = "Setup";
762 static char *main_text_quit                     = "Quit";
763 static char *main_text_level_name               = level.name;
764 static char *main_text_level_author             = level.author;
765 static char *main_text_level_year               = NULL;
766 static char *main_text_level_imported_from      = NULL;
767 static char *main_text_level_imported_by        = NULL;
768 static char *main_text_level_tested_by          = NULL;
769 static char *main_text_title_1                  = NULL;
770 static char *main_text_title_2                  = NULL;
771 static char *main_text_title_3                  = NULL;
772
773 extern char debug_xsn_mode[];
774
775 struct MainControlInfo
776 {
777   int nr;
778
779   struct MenuPosInfo *pos_button;
780   int button_graphic;
781
782   struct TextPosInfo *pos_text;
783   char **text;
784
785   struct TextPosInfo *pos_input;
786   char **input;
787 };
788
789 static struct MainControlInfo main_controls[] =
790 {
791   {
792     MAIN_CONTROL_NAME,
793     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
794     &menu.main.text.name,               &main_text_name,
795     &menu.main.input.name,              &setup.player_name,
796   },
797   {
798     MAIN_CONTROL_LEVELS,
799     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
800     &menu.main.text.levels,             &main_text_levels,
801     NULL,                               NULL,
802   },
803   {
804     MAIN_CONTROL_SCORES,
805     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
806     &menu.main.text.scores,             &main_text_scores,
807     NULL,                               NULL,
808   },
809   {
810     MAIN_CONTROL_EDITOR,
811     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
812     &menu.main.text.editor,             &main_text_editor,
813     NULL,                               NULL,
814   },
815   {
816     MAIN_CONTROL_INFO,
817     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
818     &menu.main.text.info,               &main_text_info,
819     NULL,                               NULL,
820   },
821   {
822     MAIN_CONTROL_GAME,
823     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
824     &menu.main.text.game,               &main_text_game,
825     NULL,                               NULL,
826   },
827   {
828     MAIN_CONTROL_SETUP,
829     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
830     &menu.main.text.setup,              &main_text_setup,
831     NULL,                               NULL,
832   },
833   {
834     MAIN_CONTROL_QUIT,
835     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
836     &menu.main.text.quit,               &main_text_quit,
837     NULL,                               NULL,
838   },
839   {
840     MAIN_CONTROL_PREV_LEVEL,
841     NULL,                               -1,
842     NULL,                               NULL,
843     NULL,                               NULL,
844   },
845   {
846     MAIN_CONTROL_NEXT_LEVEL,
847     NULL,                               -1,
848     NULL,                               NULL,
849     NULL,                               NULL,
850   },
851   {
852     MAIN_CONTROL_FIRST_LEVEL,
853     NULL,                               -1,
854     &menu.main.text.first_level,        &main_text_first_level,
855     NULL,                               NULL,
856   },
857   {
858     MAIN_CONTROL_LAST_LEVEL,
859     NULL,                               -1,
860     &menu.main.text.last_level,         &main_text_last_level,
861     NULL,                               NULL,
862   },
863   {
864     MAIN_CONTROL_LEVEL_NUMBER,
865     NULL,                               -1,
866     &menu.main.text.level_number,       &main_text_level_number,
867     NULL,                               NULL,
868   },
869   {
870     MAIN_CONTROL_LEVEL_INFO_1,
871     NULL,                               -1,
872     &menu.main.text.level_info_1,       NULL,
873     NULL,                               NULL,
874   },
875   {
876     MAIN_CONTROL_LEVEL_INFO_2,
877     NULL,                               -1,
878     &menu.main.text.level_info_2,       NULL,
879     NULL,                               NULL,
880   },
881   {
882     MAIN_CONTROL_LEVEL_NAME,
883     NULL,                               -1,
884     &menu.main.text.level_name,         &main_text_level_name,
885     NULL,                               NULL,
886   },
887   {
888     MAIN_CONTROL_LEVEL_AUTHOR,
889     NULL,                               -1,
890     &menu.main.text.level_author,       &main_text_level_author,
891     NULL,                               NULL,
892   },
893   {
894     MAIN_CONTROL_LEVEL_YEAR,
895     NULL,                               -1,
896     &menu.main.text.level_year,         &main_text_level_year,
897     NULL,                               NULL,
898   },
899   {
900     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
901     NULL,                               -1,
902     &menu.main.text.level_imported_from, &main_text_level_imported_from,
903     NULL,                               NULL,
904   },
905   {
906     MAIN_CONTROL_LEVEL_IMPORTED_BY,
907     NULL,                               -1,
908     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
909     NULL,                               NULL,
910   },
911   {
912     MAIN_CONTROL_LEVEL_TESTED_BY,
913     NULL,                               -1,
914     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
915     NULL,                               NULL,
916   },
917   {
918     MAIN_CONTROL_TITLE_1,
919     NULL,                               -1,
920     &menu.main.text.title_1,            &main_text_title_1,
921     NULL,                               NULL,
922   },
923   {
924     MAIN_CONTROL_TITLE_2,
925     NULL,                               -1,
926     &menu.main.text.title_2,            &main_text_title_2,
927     NULL,                               NULL,
928   },
929   {
930     MAIN_CONTROL_TITLE_3,
931     NULL,                               -1,
932     &menu.main.text.title_3,            &main_text_title_3,
933     NULL,                               NULL,
934   },
935
936   {
937     -1,
938     NULL,                               -1,
939     NULL,                               NULL,
940     NULL,                               NULL,
941   }
942 };
943
944
945 static boolean hasLevelSetInfo(void)
946 {
947   return (getLevelSetInfoFilename(0) != NULL);
948 }
949
950 static int getTitleScreenGraphic(int nr, boolean initial)
951 {
952   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
953 }
954
955 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
956 {
957   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
958 }
959
960 #if 0
961 static int getTitleScreenGameMode(boolean initial)
962 {
963   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
964 }
965 #endif
966
967 static int getTitleMessageGameMode(boolean initial)
968 {
969   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
970 }
971
972 static int getTitleAnimMode(struct TitleControlInfo *tci)
973 {
974   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
975
976   return base + tci->local_nr;
977 }
978
979 #if 0
980 static int getTitleScreenBackground(boolean initial)
981 {
982   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
983 }
984 #endif
985
986 #if 0
987 static int getTitleMessageBackground(int nr, boolean initial)
988 {
989   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
990 }
991 #endif
992
993 static int getTitleBackground(int nr, boolean initial, boolean is_image)
994 {
995   int base = (is_image ?
996               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
997                          IMG_BACKGROUND_TITLESCREEN_1) :
998               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
999                          IMG_BACKGROUND_TITLEMESSAGE_1));
1000   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
1001                                   IMG_BACKGROUND_TITLE);
1002   int graphic_local = base + nr;
1003
1004   if (graphic_info[graphic_local].bitmap != NULL)
1005     return graphic_local;
1006
1007   if (graphic_info[graphic_global].bitmap != NULL)
1008     return graphic_global;
1009
1010   return IMG_UNDEFINED;
1011 }
1012
1013 static int getTitleSound(struct TitleControlInfo *tci)
1014 {
1015   boolean is_image = tci->is_image;
1016   int initial = tci->initial;
1017   int nr = tci->local_nr;
1018   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1019   int base = (is_image ?
1020               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
1021                          SND_BACKGROUND_TITLESCREEN_1) :
1022               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1023                          SND_BACKGROUND_TITLEMESSAGE_1));
1024   int sound_global = menu.sound[mode];
1025   int sound_local = base + nr;
1026
1027 #if 0
1028   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
1029         nr, initial, is_image,
1030         sound_global, getSoundListEntry(sound_global)->filename,
1031         sound_local, getSoundListEntry(sound_local)->filename);
1032 #endif
1033
1034   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
1035     return sound_local;
1036
1037   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1038     return sound_global;
1039
1040   return SND_UNDEFINED;
1041 }
1042
1043 static int getTitleMusic(struct TitleControlInfo *tci)
1044 {
1045   boolean is_image = tci->is_image;
1046   int initial = tci->initial;
1047   int nr = tci->local_nr;
1048   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1049   int base = (is_image ?
1050               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1051                          MUS_BACKGROUND_TITLESCREEN_1) :
1052               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1053                          MUS_BACKGROUND_TITLEMESSAGE_1));
1054   int music_global = menu.music[mode];
1055   int music_local = base + nr;
1056
1057 #if 0
1058   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1059         nr, initial, is_image,
1060         music_global, getMusicListEntry(music_global)->filename,
1061         music_local, getMusicListEntry(music_local)->filename);
1062 #endif
1063
1064   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1065     return music_local;
1066
1067   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1068     return music_global;
1069
1070   return MUS_UNDEFINED;
1071 }
1072
1073 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1074 {
1075   boolean is_image = tci->is_image;
1076   boolean initial = tci->initial;
1077   boolean first = tci->first;
1078   int nr = tci->local_nr;
1079   struct TitleMessageInfo tmi;
1080   struct TitleFadingInfo ti;
1081
1082   tmi = (is_image ? (initial ? (first ?
1083                                 titlescreen_initial_first[nr] :
1084                                 titlescreen_initial[nr])
1085                              : (first ?
1086                                 titlescreen_first[nr] :
1087                                 titlescreen[nr]))
1088                   : (initial ? (first ?
1089                                 titlemessage_initial_first[nr] :
1090                                 titlemessage_initial[nr])
1091                              : (first ?
1092                                 titlemessage_first[nr] :
1093                                 titlemessage[nr])));
1094
1095   ti.fade_mode  = tmi.fade_mode;
1096   ti.fade_delay = tmi.fade_delay;
1097   ti.post_delay = tmi.post_delay;
1098   ti.auto_delay = tmi.auto_delay;
1099   ti.auto_delay_unit = tmi.auto_delay_unit;
1100
1101   return ti;
1102 }
1103
1104 static int compareTitleControlInfo(const void *object1, const void *object2)
1105 {
1106   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1107   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1108   int compare_result;
1109
1110   if (tci1->initial != tci2->initial)
1111     compare_result = (tci1->initial ? -1 : +1);
1112   else if (tci1->sort_priority != tci2->sort_priority)
1113     compare_result = tci1->sort_priority - tci2->sort_priority;
1114   else if (tci1->is_image != tci2->is_image)
1115     compare_result = (tci1->is_image ? -1 : +1);
1116   else
1117     compare_result = tci1->local_nr - tci2->local_nr;
1118
1119   return compare_result;
1120 }
1121
1122 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1123                                                     boolean initial,
1124                                                     int nr, int sort_priority)
1125 {
1126   title_controls[num_title_screens].is_image = is_image;
1127   title_controls[num_title_screens].initial = initial;
1128   title_controls[num_title_screens].local_nr = nr;
1129   title_controls[num_title_screens].sort_priority = sort_priority;
1130
1131   title_controls[num_title_screens].first = FALSE;      // will be set later
1132
1133   num_title_screens++;
1134 }
1135
1136 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1137 {
1138   int i;
1139
1140   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1141   {
1142     int graphic = getTitleScreenGraphic(i, initial);
1143     Bitmap *bitmap = graphic_info[graphic].bitmap;
1144     int sort_priority = graphic_info[graphic].sort_priority;
1145
1146     if (bitmap != NULL)
1147       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1148   }
1149
1150   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1151   {
1152     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1153     char *filename = getLevelSetTitleMessageFilename(i, initial);
1154     int sort_priority = tmi->sort_priority;
1155
1156     if (filename != NULL)
1157       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1158   }
1159 }
1160
1161 static void InitializeTitleControls(boolean show_title_initial)
1162 {
1163   num_title_screens = 0;
1164
1165   // 1st step: initialize title screens for game start (only when starting)
1166   if (show_title_initial)
1167     InitializeTitleControls_CheckTitleInfo(TRUE);
1168
1169   // 2nd step: initialize title screens for current level set
1170   InitializeTitleControls_CheckTitleInfo(FALSE);
1171
1172   // sort title screens according to sort_priority and title number
1173   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1174         compareTitleControlInfo);
1175
1176   // mark first title screen
1177   title_controls[0].first = TRUE;
1178 }
1179
1180 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1181 {
1182   return (pos != NULL && pos->x != -1 && pos->y != -1);
1183 }
1184
1185 static boolean visibleTextPos(struct TextPosInfo *pos)
1186 {
1187   return (pos != NULL && pos->x != -1 && pos->y != -1);
1188 }
1189
1190 static void InitializeMainControls(void)
1191 {
1192   boolean local_team_mode = (!network.enabled && setup.team_mode);
1193   int i;
1194
1195   // set main control text values to dynamically determined values
1196   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1197
1198   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1199                                          menu.main.text.first_level.size));
1200   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1201                                          menu.main.text.last_level.size));
1202   strcpy(main_text_level_number, int2str(level_nr,
1203                                          menu.main.text.level_number.size));
1204
1205   main_text_level_year          = leveldir_current->year;
1206   main_text_level_imported_from = leveldir_current->imported_from;
1207   main_text_level_imported_by   = leveldir_current->imported_by;
1208   main_text_level_tested_by     = leveldir_current->tested_by;
1209
1210   main_text_title_1 = getConfigProgramTitleString();
1211   main_text_title_2 = getConfigProgramCopyrightString();
1212   main_text_title_3 = getConfigProgramCompanyString();
1213
1214   // set main control screen positions to dynamically determined values
1215   for (i = 0; main_controls[i].nr != -1; i++)
1216   {
1217     struct MainControlInfo *mci = &main_controls[i];
1218     int nr                         = mci->nr;
1219     struct MenuPosInfo *pos_button = mci->pos_button;
1220     struct TextPosInfo *pos_text   = mci->pos_text;
1221     struct TextPosInfo *pos_input  = mci->pos_input;
1222     char *text                     = (mci->text  ? *mci->text  : NULL);
1223     char *input                    = (mci->input ? *mci->input : NULL);
1224     int button_graphic             = mci->button_graphic;
1225     int font_text                  = (pos_text  ? pos_text->font  : -1);
1226     int font_input                 = (pos_input ? pos_input->font : -1);
1227
1228     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1229     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1230     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1231     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1232     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1233     int input_chars = (input != NULL ? strlen(input) : 0);
1234
1235     int button_width =
1236       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1237     int button_height =
1238       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1239     int text_width   = font_text_width * text_chars;
1240     int text_height  = font_text_height;
1241     int input_width  = font_input_width * input_chars;
1242     int input_height = font_input_height;
1243
1244     if (nr == MAIN_CONTROL_NAME)
1245     {
1246       menu.main.input.name.width  = input_width;
1247       menu.main.input.name.height = input_height;
1248     }
1249
1250     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1251     {
1252       pos_button->width  = button_width;
1253       pos_button->height = button_height;
1254     }
1255
1256     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1257     {
1258       // calculate text size -- needed for text alignment
1259       boolean calculate_text_size = (text != NULL);
1260
1261       if (pos_text->width == -1 || calculate_text_size)
1262         pos_text->width = text_width;
1263       if (pos_text->height == -1 || calculate_text_size)
1264         pos_text->height = text_height;
1265
1266       if (visibleMenuPos(pos_button))
1267       {
1268         if (pos_text->x == -1)
1269           pos_text->x = pos_button->x + pos_button->width;
1270         if (pos_text->y == -1)
1271           pos_text->y =
1272             pos_button->y + (pos_button->height - pos_text->height) / 2;
1273       }
1274     }
1275
1276     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1277     {
1278       if (visibleTextPos(pos_text))
1279       {
1280         if (pos_input->x == -1)
1281           pos_input->x = pos_text->x + pos_text->width;
1282         if (pos_input->y == -1)
1283           pos_input->y = pos_text->y;
1284       }
1285
1286       if (pos_input->width == -1)
1287         pos_input->width = input_width;
1288       if (pos_input->height == -1)
1289         pos_input->height = input_height;
1290     }
1291   }
1292 }
1293
1294 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1295                                        int graphic, boolean pressed)
1296 {
1297   struct GraphicInfo *g = &graphic_info[graphic];
1298   Bitmap *src_bitmap;
1299   int src_x, src_y;
1300   int xoffset = (pressed ? g->pressed_xoffset : 0);
1301   int yoffset = (pressed ? g->pressed_yoffset : 0);
1302
1303   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1304
1305   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1306                    g->width, g->height, dst_x, dst_y);
1307 }
1308
1309 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1310                                        boolean active_input,
1311                                        boolean pressed_button)
1312 {
1313   int i;
1314
1315   for (i = 0; main_controls[i].nr != -1; i++)
1316   {
1317     struct MainControlInfo *mci = &main_controls[i];
1318
1319     if (mci->nr == nr || nr == -1)
1320     {
1321       struct MenuPosInfo *pos_button = mci->pos_button;
1322       struct TextPosInfo *pos_text   = mci->pos_text;
1323       struct TextPosInfo *pos_input  = mci->pos_input;
1324       char *text                     = (mci->text  ? *mci->text  : NULL);
1325       char *input                    = (mci->input ? *mci->input : NULL);
1326       int button_graphic             = mci->button_graphic;
1327       int font_text                  = (pos_text  ? pos_text->font  : -1);
1328       int font_input                 = (pos_input ? pos_input->font : -1);
1329
1330       if (active_text)
1331       {
1332         button_graphic = BUTTON_ACTIVE(button_graphic);
1333         font_text = FONT_ACTIVE(font_text);
1334       }
1335
1336       if (active_input)
1337       {
1338         font_input = FONT_ACTIVE(font_input);
1339       }
1340
1341       if (visibleMenuPos(pos_button))
1342       {
1343         struct MenuPosInfo *pos = pos_button;
1344         int x = mSX + pos->x;
1345         int y = mSY + pos->y;
1346
1347         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1348         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1349       }
1350
1351       if (visibleTextPos(pos_text) && text != NULL)
1352       {
1353         struct TextPosInfo *pos = pos_text;
1354         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1355         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1356
1357 #if 1
1358         // (check why/if this is needed)
1359         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1360 #endif
1361         DrawText(x, y, text, font_text);
1362       }
1363
1364       if (visibleTextPos(pos_input) && input != NULL)
1365       {
1366         struct TextPosInfo *pos = pos_input;
1367         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1368         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1369
1370 #if 1
1371         // (check why/if this is needed)
1372         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1373 #endif
1374         DrawText(x, y, input, font_input);
1375       }
1376     }
1377   }
1378 }
1379
1380 static void DrawCursorAndText_Main(int nr, boolean active_text,
1381                                    boolean pressed_button)
1382 {
1383   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1384 }
1385
1386 #if 0
1387 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1388                                          boolean pressed_button)
1389 {
1390   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1391 }
1392 #endif
1393
1394 static struct MainControlInfo *getMainControlInfo(int nr)
1395 {
1396   int i;
1397
1398   for (i = 0; main_controls[i].nr != -1; i++)
1399     if (main_controls[i].nr == nr)
1400       return &main_controls[i];
1401
1402   return NULL;
1403 }
1404
1405 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1406 {
1407   if (rect == NULL)
1408     return FALSE;
1409
1410   int rect_x = ALIGNED_TEXT_XPOS(rect);
1411   int rect_y = ALIGNED_TEXT_YPOS(rect);
1412
1413   return (x >= rect_x && x < rect_x + rect->width &&
1414           y >= rect_y && y < rect_y + rect->height);
1415 }
1416
1417 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1418 {
1419   if (rect == NULL)
1420     return FALSE;
1421
1422   int rect_x = ALIGNED_TEXT_XPOS(rect);
1423   int rect_y = ALIGNED_TEXT_YPOS(rect);
1424
1425 #if 0
1426   Debug("screens:insideTextPosRect",
1427         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1428         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1429         (x >= rect_x && x < rect_x + rect->width &&
1430          y >= rect_y && y < rect_y + rect->height));
1431 #endif
1432
1433   return (x >= rect_x && x < rect_x + rect->width &&
1434           y >= rect_y && y < rect_y + rect->height);
1435 }
1436
1437 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1438 {
1439   int rect_width  = preview->xsize * preview->tile_size;
1440   int rect_height = preview->ysize * preview->tile_size;
1441   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1442   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1443
1444   return (x >= rect_x && x < rect_x + rect_width &&
1445           y >= rect_y && y < rect_y + rect_height);
1446 }
1447
1448 static void AdjustScrollbar(int id, int items_max, int items_visible,
1449                             int item_position)
1450 {
1451   struct GadgetInfo *gi = screen_gadget[id];
1452
1453   if (item_position > items_max - items_visible)
1454     item_position = items_max - items_visible;
1455
1456   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1457                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1458                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1459 }
1460
1461 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1462 {
1463   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1464                   ti->cl_first);
1465 }
1466
1467 static void clearMenuListArea(void)
1468 {
1469   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1470
1471   // correct scrollbar position if placed outside menu (playfield) area
1472   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1473     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1474
1475   // clear menu list area, but not title or scrollbar
1476   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1477                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1478
1479   // special compatibility handling for "Snake Bite" graphics set
1480   if (strPrefix(leveldir_current->identifier, "snake_bite"))
1481     ClearRectangle(drawto, mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1482                    scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1483 }
1484
1485 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1486 {
1487   static int cursor_array[MAX_LEV_FIELDY];
1488   int x = amSX + TILEX * xpos;
1489   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1490
1491   if (xpos == 0)
1492   {
1493     if (graphic != -1)
1494       cursor_array[ypos] = graphic;
1495     else
1496       graphic = cursor_array[ypos];
1497   }
1498
1499   if (active)
1500     graphic = BUTTON_ACTIVE(graphic);
1501
1502   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1503   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1504 }
1505
1506 static void initCursor(int ypos, int graphic)
1507 {
1508   drawCursorExt(0, ypos, FALSE, graphic);
1509 }
1510
1511 static void drawCursor(int ypos, boolean active)
1512 {
1513   drawCursorExt(0, ypos, active, -1);
1514 }
1515
1516 static void drawCursorXY(int xpos, int ypos, int graphic)
1517 {
1518   drawCursorExt(xpos, ypos, FALSE, graphic);
1519 }
1520
1521 static void drawChooseTreeCursor(int ypos, boolean active)
1522 {
1523   drawCursorExt(0, ypos, active, -1);
1524 }
1525
1526 static int getChooseTreeEditFont(boolean active)
1527 {
1528   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1529 }
1530
1531 static int getChooseTreeEditXPos(int pos)
1532 {
1533   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1534   int xoffset = (has_scrollbar ? -1 : 0);
1535   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1536   int sx = amSX + xpos * TILEX;
1537   int font_nr = getChooseTreeEditFont(FALSE);
1538   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1539
1540   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1541 }
1542
1543 static int getChooseTreeEditYPos(int ypos_raw)
1544 {
1545   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1546   int sy = amSY + ypos * TILEY;
1547
1548   return sy;
1549 }
1550
1551 static int getChooseTreeEditXPosReal(int pos)
1552 {
1553   int xpos = getChooseTreeEditXPos(pos);
1554   int font_nr = getChooseTreeEditFont(FALSE);
1555   int font_xoffset = getFontDrawOffsetX(font_nr);
1556
1557   return xpos + font_xoffset;
1558 }
1559
1560 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1561 {
1562   int sx = getChooseTreeEditXPos(POS_LEFT);
1563   int sy = getChooseTreeEditYPos(ypos_raw);
1564   int font_nr = getChooseTreeEditFont(active);
1565
1566   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1567 }
1568
1569 static void DrawInfoScreen_Headline(int screen_nr, int num_screens,
1570                                     int use_global_screens)
1571 {
1572   char *info_text_title_1 = getInfoScreenTitle_Generic();
1573   char info_text_title_2[MAX_LINE_LEN + 1];
1574
1575   if (num_screens > 1)
1576   {
1577     sprintf(info_text_title_2, "Page %d of %d", screen_nr + 1, num_screens);
1578   }
1579   else
1580   {
1581     char *text_format = (use_global_screens ? "for %s" : "for \"%s\"");
1582     int text_format_len = strlen(text_format) - strlen("%s");
1583     int max_text_len = SXSIZE / getFontWidth(FONT_TITLE_2);
1584     int max_name_len = max_text_len - text_format_len;
1585     char name_cut[max_name_len];
1586     char *name_full = (use_global_screens ? getProgramTitleString() :
1587                        leveldir_current->name);
1588
1589     snprintf(name_cut, max_name_len, "%s", name_full);
1590     snprintf(info_text_title_2, max_text_len, text_format, name_cut);
1591   }
1592
1593   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, info_text_title_1);
1594   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, info_text_title_2);
1595 }
1596
1597 static void DrawTitleScreenImage(int nr, boolean initial)
1598 {
1599   int graphic = getTitleScreenGraphic(nr, initial);
1600   Bitmap *bitmap = graphic_info[graphic].bitmap;
1601   int width  = graphic_info[graphic].width;
1602   int height = graphic_info[graphic].height;
1603   int src_x = graphic_info[graphic].src_x;
1604   int src_y = graphic_info[graphic].src_y;
1605   int dst_x, dst_y;
1606
1607   if (bitmap == NULL)
1608     return;
1609
1610   if (width > WIN_XSIZE)
1611   {
1612     // image width too large for window => center image horizontally
1613     src_x = (width - WIN_XSIZE) / 2;
1614     width = WIN_XSIZE;
1615   }
1616
1617   if (height > WIN_YSIZE)
1618   {
1619     // image height too large for window => center image vertically
1620     src_y = (height - WIN_YSIZE) / 2;
1621     height = WIN_YSIZE;
1622   }
1623
1624   // always display title screens centered
1625   dst_x = (WIN_XSIZE - width) / 2;
1626   dst_y = (WIN_YSIZE - height) / 2;
1627
1628   SetDrawBackgroundMask(REDRAW_ALL);
1629   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1630
1631   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1632
1633   if (DrawingOnBackground(dst_x, dst_y))
1634     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1635   else
1636     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1637
1638   redraw_mask = REDRAW_ALL;
1639 }
1640
1641 static void DrawTitleScreenMessage(int nr, boolean initial)
1642 {
1643   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1644   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1645
1646   if (filename == NULL)
1647     return;
1648
1649   // force TITLE font on title message screen
1650   SetFontStatus(getTitleMessageGameMode(initial));
1651
1652   // if chars *and* width set to "-1", automatically determine width
1653   if (tmi->chars == -1 && tmi->width == -1)
1654     tmi->width = viewport.window[game_status].width;
1655
1656   // if lines *and* height set to "-1", automatically determine height
1657   if (tmi->lines == -1 && tmi->height == -1)
1658     tmi->height = viewport.window[game_status].height;
1659
1660   // if chars set to "-1", automatically determine by text and font width
1661   if (tmi->chars == -1)
1662     tmi->chars = tmi->width / getFontWidth(tmi->font);
1663   else
1664     tmi->width = tmi->chars * getFontWidth(tmi->font);
1665
1666   // if lines set to "-1", automatically determine by text and font height
1667   if (tmi->lines == -1)
1668     tmi->lines = tmi->height / getFontHeight(tmi->font);
1669   else
1670     tmi->height = tmi->lines * getFontHeight(tmi->font);
1671
1672   // if x set to "-1", automatically determine by width and alignment
1673   if (tmi->x == -1)
1674     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1675
1676   // if y set to "-1", automatically determine by height and alignment
1677   if (tmi->y == -1)
1678     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1679
1680   SetDrawBackgroundMask(REDRAW_ALL);
1681   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1682
1683   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1684
1685   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1686                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1687                tmi->autowrap, tmi->centered, tmi->parse_comments);
1688
1689   ResetFontStatus();
1690 }
1691
1692 static void DrawTitleScreen(void)
1693 {
1694   KeyboardAutoRepeatOff();
1695
1696   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1697 }
1698
1699 static boolean CheckTitleScreen(boolean levelset_has_changed)
1700 {
1701   static boolean show_title_initial = TRUE;
1702   boolean show_titlescreen = FALSE;
1703
1704   // needed to be able to skip title screen, if no image or message defined
1705   InitializeTitleControls(show_title_initial);
1706
1707   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1708     show_titlescreen = TRUE;
1709
1710   // show initial title images and messages only once at program start
1711   show_title_initial = FALSE;
1712
1713   return (show_titlescreen && num_title_screens > 0);
1714 }
1715
1716 void DrawMainMenu(void)
1717 {
1718   static LevelDirTree *leveldir_last_valid = NULL;
1719   boolean levelset_has_changed = FALSE;
1720   int fade_mask = REDRAW_FIELD;
1721
1722   LimitScreenUpdates(FALSE);
1723
1724   FadeSetLeaveScreen();
1725
1726   // do not fade out here -- function may continue and fade on editor screen
1727
1728   UnmapAllGadgets();
1729   FadeMenuSoundsAndMusic();
1730
1731   ExpireSoundLoops(FALSE);
1732
1733   KeyboardAutoRepeatOn();
1734
1735   audio.sound_deactivated = FALSE;
1736
1737   GetPlayerConfig();
1738
1739   // needed if last screen was the playing screen, invoked from level editor
1740   if (level_editor_test_game)
1741   {
1742     CloseDoor(DOOR_CLOSE_ALL);
1743
1744     SetGameStatus(GAME_MODE_EDITOR);
1745
1746     DrawLevelEd();
1747
1748     return;
1749   }
1750
1751   // needed if last screen was the playing screen, invoked from hall of fame
1752   if (score_info_tape_play)
1753   {
1754     CloseDoor(DOOR_CLOSE_ALL);
1755
1756     SetGameStatus(GAME_MODE_SCOREINFO);
1757
1758     DrawScoreInfo(scores.last_entry_nr);
1759
1760     return;
1761   }
1762
1763   // reset flag to continue playing next level from hall of fame
1764   scores.continue_playing = FALSE;
1765
1766   // leveldir_current may be invalid (level group, parent link, node copy)
1767   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1768
1769   if (leveldir_current != leveldir_last_valid)
1770   {
1771     // level setup config may have been loaded to "last played" tree node copy,
1772     // but "leveldir_current" now points to the "original" level set tree node,
1773     // in which case "handicap_level" may still default to the first level
1774     LoadLevelSetup_SeriesInfo();
1775
1776     UpdateLastPlayedLevels_TreeInfo();
1777
1778     levelset_has_changed = TRUE;
1779   }
1780
1781   // store valid level series information
1782   leveldir_last_valid = leveldir_current;
1783
1784   // needed if last screen (level choice) changed graphics, sounds or music
1785   ReloadCustomArtwork(0);
1786
1787   if (CheckTitleScreen(levelset_has_changed))
1788   {
1789     SetGameStatus(GAME_MODE_TITLE);
1790
1791     DrawTitleScreen();
1792
1793     return;
1794   }
1795
1796   if (redraw_mask & REDRAW_ALL)
1797     fade_mask = REDRAW_ALL;
1798
1799   if (CheckFadeAll())
1800     fade_mask = REDRAW_ALL;
1801
1802   FadeOut(fade_mask);
1803
1804   // needed if different viewport properties defined for menues
1805   ChangeViewportPropertiesIfNeeded();
1806
1807   SetDrawtoField(DRAW_TO_BACKBUFFER);
1808
1809   // level_nr may have been set to value over handicap with level editor
1810   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1811     level_nr = leveldir_current->handicap_level;
1812
1813   LoadLevel(level_nr);
1814   LoadScore(level_nr);
1815
1816   SaveLevelSetup_SeriesInfo();
1817
1818   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1819   SetDrawDeactivationMask(REDRAW_NONE);
1820   SetDrawBackgroundMask(REDRAW_FIELD);
1821
1822   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1823
1824 #if 0
1825   if (fade_mask == REDRAW_ALL)
1826     RedrawGlobalBorder();
1827 #endif
1828
1829   ClearField();
1830
1831   InitializeMainControls();
1832
1833   DrawCursorAndText_Main(-1, FALSE, FALSE);
1834   DrawPreviewLevelInitial();
1835   DrawNetworkPlayers();
1836
1837   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1838
1839   TapeStop();
1840   if (TAPE_IS_EMPTY(tape))
1841     LoadTape(level_nr);
1842   DrawCompleteVideoDisplay();
1843
1844   PlayMenuSoundsAndMusic();
1845
1846   // create gadgets for main menu screen
1847   FreeScreenGadgets();
1848   CreateScreenGadgets();
1849
1850   // may be required if audio buttons shown on tape and changed in setup menu
1851   FreeGameButtons();
1852   CreateGameButtons();
1853
1854   // map gadgets for main menu screen
1855   MapTapeButtons();
1856   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1857   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1858   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SET_INFO, hasLevelSetInfo());
1859
1860   // copy actual game door content to door double buffer for OpenDoor()
1861   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1862   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1863
1864   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1865
1866   DrawMaskedBorder(fade_mask);
1867
1868   FadeIn(fade_mask);
1869   FadeSetEnterMenu();
1870
1871   // update screen area with special editor door
1872   redraw_mask |= REDRAW_ALL;
1873   BackToFront();
1874
1875   SetMouseCursor(CURSOR_DEFAULT);
1876
1877   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1878
1879   SyncEmscriptenFilesystem();
1880
1881   // needed once after program start or after user change
1882   CheckApiServerTasks();
1883 }
1884
1885 static void gotoTopLevelDir(void)
1886 {
1887   // move upwards until inside (but not above) top level directory
1888   while (leveldir_current->node_parent &&
1889          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1890   {
1891     // write a "path" into level tree for easy navigation to last level
1892     if (leveldir_current->node_parent->node_group->cl_first == -1)
1893     {
1894       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1895       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1896       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1897       int cl_first, cl_cursor;
1898
1899       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1900       cl_cursor = leveldir_pos - cl_first;
1901
1902       leveldir_current->node_parent->node_group->cl_first = cl_first;
1903       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1904     }
1905
1906     leveldir_current = leveldir_current->node_parent;
1907   }
1908 }
1909
1910 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1911 {
1912   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1913
1914   return (use_frame_counter ? video.frame_counter : Counter());
1915 }
1916
1917 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1918                                      struct TitleFadingInfo *fi)
1919 {
1920   return DelayReachedExt2(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1921 }
1922
1923 static void ResetTitleAutoDelay(unsigned int *counter_var,
1924                                 struct TitleFadingInfo *fi)
1925 {
1926   *counter_var = getAutoDelayCounter(fi);
1927 }
1928
1929 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1930 {
1931   static unsigned int title_delay = 0;
1932   static int title_screen_nr = 0;
1933   static int last_sound = -1, last_music = -1;
1934   boolean return_to_main_menu = FALSE;
1935   struct TitleControlInfo *tci;
1936   int sound, music;
1937
1938   if (button == MB_MENU_INITIALIZE)
1939   {
1940     title_delay = 0;
1941     title_screen_nr = 0;
1942     tci = &title_controls[title_screen_nr];
1943
1944     SetAnimStatus(getTitleAnimMode(tci));
1945
1946     last_sound = SND_UNDEFINED;
1947     last_music = MUS_UNDEFINED;
1948
1949     if (num_title_screens != 0)
1950     {
1951       FadeSetEnterScreen();
1952
1953       // use individual title fading instead of global "enter screen" fading
1954       fading = getTitleFading(tci);
1955     }
1956
1957     if (game_status_last_screen == GAME_MODE_INFO)
1958     {
1959       if (num_title_screens == 0)
1960       {
1961         // switch game mode from title screen mode back to info screen mode
1962         SetGameStatus(GAME_MODE_INFO);
1963
1964         // store that last screen was info screen, not main menu screen
1965         game_status_last_screen = GAME_MODE_INFO;
1966
1967         DrawInfoScreen_NotAvailable("Title screen information:",
1968                                     "No title screen for this level set.");
1969         return;
1970       }
1971     }
1972
1973     FadeMenuSoundsAndMusic();
1974
1975     FadeOut(REDRAW_ALL);
1976
1977     // title screens may have different window size
1978     ChangeViewportPropertiesIfNeeded();
1979
1980     // only required to update logic for redrawing global border
1981     ClearField();
1982
1983     if (tci->is_image)
1984       DrawTitleScreenImage(tci->local_nr, tci->initial);
1985     else
1986       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1987
1988     sound = getTitleSound(tci);
1989     music = getTitleMusic(tci);
1990
1991     if (sound != last_sound)
1992       PlayMenuSoundExt(sound);
1993     if (music != last_music)
1994       PlayMenuMusicExt(music);
1995
1996     last_sound = sound;
1997     last_music = music;
1998
1999     SetMouseCursor(CURSOR_NONE);
2000
2001     FadeIn(REDRAW_ALL);
2002
2003     ResetTitleAutoDelay(&title_delay, &fading);
2004
2005     return;
2006   }
2007
2008   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
2009     button = MB_MENU_CHOICE;
2010
2011   if (button == MB_MENU_LEAVE)
2012   {
2013     return_to_main_menu = TRUE;
2014   }
2015   else if (button == MB_MENU_CHOICE || dx)
2016   {
2017     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
2018     {
2019       SetGameStatus(GAME_MODE_INFO);
2020
2021       info_mode = INFO_MODE_MAIN;
2022
2023       DrawInfoScreen();
2024
2025       return;
2026     }
2027
2028     title_screen_nr +=
2029       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
2030
2031     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
2032     {
2033       tci = &title_controls[title_screen_nr];
2034
2035       SetAnimStatus(getTitleAnimMode(tci));
2036
2037       sound = getTitleSound(tci);
2038       music = getTitleMusic(tci);
2039
2040       if (last_sound != SND_UNDEFINED && sound != last_sound)
2041         FadeSound(last_sound);
2042       if (last_music != MUS_UNDEFINED && music != last_music)
2043         FadeMusic();
2044
2045       fading = getTitleFading(tci);
2046
2047       FadeOut(REDRAW_ALL);
2048
2049       if (tci->is_image)
2050         DrawTitleScreenImage(tci->local_nr, tci->initial);
2051       else
2052         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2053
2054       sound = getTitleSound(tci);
2055       music = getTitleMusic(tci);
2056
2057       if (sound != last_sound)
2058         PlayMenuSoundExt(sound);
2059       if (music != last_music)
2060         PlayMenuMusicExt(music);
2061
2062       last_sound = sound;
2063       last_music = music;
2064
2065       FadeIn(REDRAW_ALL);
2066
2067       ResetTitleAutoDelay(&title_delay, &fading);
2068     }
2069     else
2070     {
2071       FadeMenuSoundsAndMusic();
2072
2073       return_to_main_menu = TRUE;
2074     }
2075   }
2076
2077   if (return_to_main_menu)
2078   {
2079     SetMouseCursor(CURSOR_DEFAULT);
2080
2081     // force full menu screen redraw after displaying title screens
2082     redraw_mask = REDRAW_ALL;
2083
2084     if (game_status_last_screen == GAME_MODE_INFO)
2085     {
2086       SetGameStatus(GAME_MODE_INFO);
2087
2088       info_mode = INFO_MODE_MAIN;
2089
2090       DrawInfoScreen();
2091     }
2092     else        // default: return to main menu
2093     {
2094       SetGameStatus(GAME_MODE_MAIN);
2095
2096       DrawMainMenu();
2097     }
2098   }
2099 }
2100
2101 static void HandleMainMenu_ToggleTeamMode(void)
2102 {
2103   setup.team_mode = !setup.team_mode;
2104
2105   InitializeMainControls();
2106   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2107
2108   DrawPreviewPlayers();
2109 }
2110
2111 static void HandleMainMenu_SelectLevel(int step, int direction,
2112                                        int selected_level_nr)
2113 {
2114   int old_level_nr = level_nr;
2115   int new_level_nr;
2116
2117   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2118     new_level_nr = selected_level_nr;
2119   else
2120     new_level_nr = old_level_nr + step * direction;
2121
2122   if (new_level_nr < leveldir_current->first_level)
2123     new_level_nr = leveldir_current->first_level;
2124   if (new_level_nr > leveldir_current->last_level)
2125     new_level_nr = leveldir_current->last_level;
2126
2127   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2128   {
2129     // skipping levels is only allowed when trying to skip single level
2130     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2131         Request("Level still unsolved! Skip it anyway?", REQ_ASK))
2132     {
2133       leveldir_current->handicap_level++;
2134       SaveLevelSetup_SeriesInfo();
2135     }
2136
2137     new_level_nr = leveldir_current->handicap_level;
2138   }
2139
2140   if (new_level_nr != old_level_nr)
2141   {
2142     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2143
2144     PlaySound(SND_MENU_ITEM_SELECTING);
2145
2146     level_nr = new_level_nr;
2147
2148     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2149              int2str(level_nr, menu.main.text.level_number.size),
2150              mci->pos_text->font);
2151
2152     LoadLevel(level_nr);
2153     DrawPreviewLevelInitial();
2154
2155     TapeErase();
2156     LoadTape(level_nr);
2157     DrawCompleteVideoDisplay();
2158
2159     SaveLevelSetup_SeriesInfo();
2160
2161     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2162
2163     // force redraw of playfield area (may be reset at this point)
2164     redraw_mask |= REDRAW_FIELD;
2165   }
2166 }
2167
2168 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2169 {
2170   static int choice = MAIN_CONTROL_GAME;
2171   static boolean button_pressed_last = FALSE;
2172   boolean button_pressed = FALSE;
2173   int pos = choice;
2174   int i = 0;    // needed to prevent compiler warning due to bad code below
2175
2176   if (button == MB_MENU_INITIALIZE)
2177   {
2178     DrawCursorAndText_Main(choice, TRUE, FALSE);
2179
2180     return;
2181   }
2182
2183   if (mx || my)         // mouse input
2184   {
2185     pos = -1;
2186
2187     for (i = 0; main_controls[i].nr != -1; i++)
2188     {
2189       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2190           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2191           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2192       {
2193         pos = main_controls[i].nr;
2194
2195         break;
2196       }
2197     }
2198
2199     // check if level preview was clicked
2200     if (insidePreviewRect(&preview, mx - SX, my - SY))
2201       pos = MAIN_CONTROL_GAME;
2202
2203     // handle pressed/unpressed state for active/inactive menu buttons
2204     // (if pos != -1, "i" contains index position corresponding to "pos")
2205     if (button &&
2206         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2207         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2208       button_pressed = TRUE;
2209
2210     if (button_pressed != button_pressed_last)
2211     {
2212       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2213
2214       if (button_pressed)
2215         PlaySound(SND_MENU_BUTTON_PRESSING);
2216       else
2217         PlaySound(SND_MENU_BUTTON_RELEASING);
2218     }
2219   }
2220   else if (dx || dy)    // keyboard input
2221   {
2222     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2223                    choice == MAIN_CONTROL_SETUP))
2224       button = MB_MENU_CHOICE;
2225     else if (dy)
2226       pos = choice + dy;
2227   }
2228
2229   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2230   {
2231     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2232   }
2233   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2234   {
2235     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2236   }
2237   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2238   {
2239     CloseDoor(DOOR_CLOSE_2);
2240
2241     SetGameStatus(GAME_MODE_LEVELNR);
2242
2243     DrawChooseLevelNr();
2244   }
2245   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2246   {
2247     if (button)
2248     {
2249       if (pos != choice)
2250       {
2251         PlaySound(SND_MENU_ITEM_ACTIVATING);
2252
2253         DrawCursorAndText_Main(choice, FALSE, FALSE);
2254         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2255
2256         choice = pos;
2257       }
2258       else if (dx != 0)
2259       {
2260         if (choice == MAIN_CONTROL_NAME)
2261         {
2262           // special case: cursor left or right pressed -- toggle team mode
2263           HandleMainMenu_ToggleTeamMode();
2264         }
2265         else if (choice != MAIN_CONTROL_INFO &&
2266                  choice != MAIN_CONTROL_SETUP)
2267         {
2268           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2269         }
2270       }
2271     }
2272     else
2273     {
2274       PlaySound(SND_MENU_ITEM_SELECTING);
2275
2276       if (pos == MAIN_CONTROL_NAME)
2277       {
2278         if ((mx || my) &&
2279             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2280         {
2281           // special case: menu text "name/team" clicked -- toggle team mode
2282           HandleMainMenu_ToggleTeamMode();
2283         }
2284         else
2285         {
2286           if (setup.multiple_users)
2287           {
2288             CloseDoor(DOOR_CLOSE_2);
2289
2290             SetGameStatus(GAME_MODE_NAMES);
2291
2292             DrawChoosePlayerName();
2293           }
2294           else
2295           {
2296             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2297
2298             DrawTypeName();
2299           }
2300         }
2301       }
2302       else if (pos == MAIN_CONTROL_LEVELS)
2303       {
2304         if (leveldir_first)
2305         {
2306           CloseDoor(DOOR_CLOSE_2);
2307
2308           SetGameStatus(GAME_MODE_LEVELS);
2309
2310           SaveLevelSetup_LastSeries();
2311           SaveLevelSetup_SeriesInfo();
2312
2313           // restore level set if chosen from "last played level set" menu
2314           RestoreLastPlayedLevels(&leveldir_current);
2315
2316           if (setup.internal.choose_from_top_leveldir)
2317             gotoTopLevelDir();
2318
2319           DrawChooseLevelSet();
2320         }
2321       }
2322       else if (pos == MAIN_CONTROL_SCORES)
2323       {
2324         CloseDoor(DOOR_CLOSE_2);
2325
2326         SetGameStatus(GAME_MODE_SCORES);
2327
2328         DrawHallOfFame(level_nr);
2329       }
2330       else if (pos == MAIN_CONTROL_EDITOR)
2331       {
2332         if (leveldir_current->readonly &&
2333             setup.editor.show_read_only_warning)
2334           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2335
2336         CloseDoor(DOOR_CLOSE_ALL);
2337
2338         SetGameStatus(GAME_MODE_EDITOR);
2339
2340         FadeSetEnterScreen();
2341
2342         DrawLevelEd();
2343       }
2344       else if (pos == MAIN_CONTROL_INFO)
2345       {
2346         CloseDoor(DOOR_CLOSE_2);
2347
2348         SetGameStatus(GAME_MODE_INFO);
2349
2350         info_mode = INFO_MODE_MAIN;
2351
2352         DrawInfoScreen();
2353       }
2354       else if (pos == MAIN_CONTROL_GAME)
2355       {
2356         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2357       }
2358       else if (pos == MAIN_CONTROL_SETUP)
2359       {
2360         CloseDoor(DOOR_CLOSE_2);
2361
2362         SetGameStatus(GAME_MODE_SETUP);
2363
2364         setup_mode = SETUP_MODE_MAIN;
2365
2366         DrawSetupScreen();
2367       }
2368       else if (pos == MAIN_CONTROL_QUIT)
2369       {
2370         SaveLevelSetup_LastSeries();
2371         SaveLevelSetup_SeriesInfo();
2372
2373 #if defined(PLATFORM_EMSCRIPTEN)
2374         Request("Close the browser window to quit!", REQ_CONFIRM);
2375 #else
2376         if (!setup.ask_on_quit_program ||
2377             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2378           SetGameStatus(GAME_MODE_QUIT);
2379 #endif
2380       }
2381     }
2382   }
2383
2384   button_pressed_last = button_pressed;
2385 }
2386
2387
2388 // ============================================================================
2389 // info screen functions
2390 // ============================================================================
2391
2392 static struct TokenInfo *info_info;
2393 static int num_info_info;       // number of info entries shown on screen
2394 static int max_info_info;       // total number of info entries in list
2395
2396 static void execInfoTitleScreen(void)
2397 {
2398   info_mode = INFO_MODE_TITLE;
2399
2400   DrawInfoScreen();
2401 }
2402
2403 static void execInfoElements(void)
2404 {
2405   info_mode = INFO_MODE_ELEMENTS;
2406
2407   DrawInfoScreen();
2408 }
2409
2410 static void execInfoMusic(void)
2411 {
2412   info_mode = INFO_MODE_MUSIC;
2413
2414   DrawInfoScreen();
2415 }
2416
2417 static void execInfoCredits(void)
2418 {
2419   info_mode = INFO_MODE_CREDITS;
2420
2421   DrawInfoScreen();
2422 }
2423
2424 static void execInfoProgram(void)
2425 {
2426   info_mode = INFO_MODE_PROGRAM;
2427
2428   DrawInfoScreen();
2429 }
2430
2431 static void execInfoVersion(void)
2432 {
2433   info_mode = INFO_MODE_VERSION;
2434
2435   DrawInfoScreen();
2436 }
2437
2438 static void execInfoLevelSet(void)
2439 {
2440   info_mode = INFO_MODE_LEVELSET;
2441
2442   DrawInfoScreen();
2443 }
2444
2445 static void execExitInfo(void)
2446 {
2447   SetGameStatus(GAME_MODE_MAIN);
2448
2449   DrawMainMenu();
2450 }
2451
2452 static struct TokenInfo info_info_main[] =
2453 {
2454   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    STR_INFO_TITLE          },
2455   { TYPE_ENTER_SCREEN,  execInfoElements,       STR_INFO_ELEMENTS       },
2456   { TYPE_ENTER_SCREEN,  execInfoMusic,          STR_INFO_MUSIC          },
2457   { TYPE_ENTER_SCREEN,  execInfoCredits,        STR_INFO_CREDITS        },
2458   { TYPE_ENTER_SCREEN,  execInfoProgram,        STR_INFO_PROGRAM        },
2459   { TYPE_ENTER_SCREEN,  execInfoVersion,        STR_INFO_VERSION        },
2460   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       STR_INFO_LEVELSET       },
2461   { TYPE_EMPTY,         NULL,                   ""                      },
2462   { TYPE_LEAVE_MENU,    execExitInfo,           STR_INFO_EXIT           },
2463
2464   { 0,                  NULL,                   NULL                    }
2465 };
2466
2467 static int getMenuTextFont(int type)
2468 {
2469   if (type & (TYPE_SWITCH       |
2470               TYPE_YES_NO       |
2471               TYPE_YES_NO_AUTO  |
2472               TYPE_STRING       |
2473               TYPE_PLAYER       |
2474               TYPE_ECS_AGA      |
2475               TYPE_KEYTEXT      |
2476               TYPE_ENTER_LIST   |
2477               TYPE_TEXT_INPUT))
2478     return FONT_MENU_2;
2479   else
2480     return FONT_MENU_1;
2481 }
2482
2483 static struct TokenInfo *setup_info;
2484 static struct TokenInfo setup_info_input[];
2485
2486 static struct TokenInfo *menu_info;
2487
2488 static void PlayInfoSound(void)
2489 {
2490   int info_sound = getInfoScreenBackgroundSound_Generic();
2491   char *next_sound = getSoundInfoEntryFilename(info_sound);
2492
2493   if (next_sound != NULL)
2494     PlayMenuSoundExt(info_sound);
2495   else
2496     PlayMenuSound();
2497 }
2498
2499 static void PlayInfoSoundIfLoop(void)
2500 {
2501   int info_sound = getInfoScreenBackgroundSound_Generic();
2502   char *next_sound = getSoundInfoEntryFilename(info_sound);
2503
2504   if (next_sound != NULL)
2505     PlayMenuSoundIfLoopExt(info_sound);
2506   else
2507     PlayMenuSoundIfLoop();
2508 }
2509
2510 static void PlayInfoMusic(void)
2511 {
2512   int info_music = getInfoScreenBackgroundMusic_Generic();
2513   char *curr_music = getCurrentlyPlayingMusicFilename();
2514   char *next_music = getMusicInfoEntryFilename(info_music);
2515
2516   if (next_music != NULL)
2517   {
2518     // play music if info screen music differs from current music
2519     if (!strEqual(curr_music, next_music))
2520       PlayMenuMusicExt(info_music);
2521   }
2522   else
2523   {
2524     // only needed if info screen was directly invoked from main menu
2525     PlayMenuMusic();
2526   }
2527 }
2528
2529 static void PlayInfoSoundsAndMusic(void)
2530 {
2531   PlayInfoSound();
2532   PlayInfoMusic();
2533 }
2534
2535 static void FadeInfoSounds(void)
2536 {
2537   FadeSounds();
2538 }
2539
2540 static void FadeInfoMusic(void)
2541 {
2542   int info_music = getInfoScreenBackgroundMusic_Generic();
2543   char *curr_music = getCurrentlyPlayingMusicFilename();
2544   char *next_music = getMusicInfoEntryFilename(info_music);
2545
2546   if (next_music != NULL)
2547   {
2548     // fade music if info screen music differs from current music
2549     if (!strEqual(curr_music, next_music))
2550       FadeMusic();
2551   }
2552 }
2553
2554 static void FadeInfoSoundsAndMusic(void)
2555 {
2556   FadeInfoSounds();
2557   FadeInfoMusic();
2558 }
2559
2560 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2561                                        int screen_pos, int menu_info_pos_raw,
2562                                        boolean active)
2563 {
2564   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2565   struct TokenInfo *ti = &token_info[pos];
2566   int xpos = MENU_SCREEN_START_XPOS;
2567   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2568   int font_nr = getMenuTextFont(ti->type);
2569
2570   if (setup_mode == SETUP_MODE_INPUT)
2571     font_nr = FONT_MENU_1;
2572
2573   if (active)
2574     font_nr = FONT_ACTIVE(font_nr);
2575
2576   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2577
2578   if (ti->type & ~TYPE_SKIP_ENTRY)
2579     drawCursor(screen_pos, active);
2580 }
2581
2582 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2583                                    boolean active)
2584 {
2585   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2586 }
2587
2588 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2589                                     boolean active)
2590 {
2591   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2592 }
2593
2594 static char *window_size_text;
2595 static char *scaling_type_text;
2596 static char *network_server_text;
2597
2598 static void drawSetupValue(int, int);
2599
2600 static void drawMenuInfoList(int first_entry, int num_page_entries,
2601                              int max_page_entries)
2602 {
2603   int i;
2604
2605   if (first_entry + num_page_entries > max_page_entries)
2606     first_entry = 0;
2607
2608   clearMenuListArea();
2609
2610   for (i = 0; i < num_page_entries; i++)
2611   {
2612     int menu_info_pos = first_entry + i;
2613     struct TokenInfo *si = &menu_info[menu_info_pos];
2614     void *value_ptr = si->value;
2615
2616     // set some entries to "unchangeable" according to other variables
2617     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2618         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2619         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2620         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2621         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2622         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2623       si->type |= TYPE_GHOSTED;
2624
2625     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2626       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2627     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2628       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2629     else if (si->type & ~TYPE_SKIP_ENTRY)
2630       initCursor(i, IMG_MENU_BUTTON);
2631
2632     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2633
2634     if (si->type & TYPE_STRING)
2635     {
2636       int gadget_id = -1;
2637
2638       if (value_ptr == &network_server_text)
2639         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2640
2641       if (gadget_id != -1)
2642       {
2643         struct GadgetInfo *gi = screen_gadget[gadget_id];
2644         int xpos = MENU_SCREEN_START_XPOS;
2645         int ypos = MENU_SCREEN_START_YPOS + i;
2646         int x = mSX + xpos * 32;
2647         int y = mSY + ypos * 32;
2648
2649         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2650       }
2651     }
2652
2653     if (si->type & TYPE_VALUE &&
2654         menu_info == setup_info)
2655       drawSetupValue(i, menu_info_pos);
2656   }
2657 }
2658
2659 static void DrawInfoScreen_Main(void)
2660 {
2661   int fade_mask = REDRAW_FIELD;
2662   int i;
2663
2664   // (needed after displaying info sub-screens directly from main menu)
2665   if (info_screens_from_main)
2666   {
2667     info_screens_from_main = FALSE;
2668
2669     SetGameStatus(GAME_MODE_MAIN);
2670
2671     DrawMainMenu();
2672
2673     return;
2674   }
2675
2676   if (redraw_mask & REDRAW_ALL)
2677     fade_mask = REDRAW_ALL;
2678
2679   if (CheckFadeAll())
2680     fade_mask = REDRAW_ALL;
2681
2682   UnmapAllGadgets();
2683   FadeMenuSoundsAndMusic();
2684
2685   FreeScreenGadgets();
2686   CreateScreenGadgets();
2687
2688   // (needed after displaying title screens which disable auto repeat)
2689   KeyboardAutoRepeatOn();
2690
2691   FadeSetLeaveScreen();
2692
2693   FadeOut(fade_mask);
2694
2695   // needed if different viewport properties defined for info screen
2696   ChangeViewportPropertiesIfNeeded();
2697
2698   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2699
2700   ClearField();
2701
2702   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2703
2704   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_INFO_MAIN);
2705
2706   info_info = info_info_main;
2707
2708   // use modified info screen info without info screen entries marked as hidden
2709   info_info = getSetupInfoFinal(info_info);
2710
2711   // determine maximal number of info entries that can be displayed on screen
2712   num_info_info = 0;
2713   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2714     num_info_info++;
2715
2716   // determine maximal number of info entries available for menu of info screen
2717   max_info_info = 0;
2718   for (i = 0; info_info[i].type != 0; i++)
2719     max_info_info++;
2720
2721   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2722
2723   MapScreenGadgets(max_info_info);
2724
2725   PlayMenuSoundsAndMusic();
2726
2727   DrawMaskedBorder(fade_mask);
2728
2729   FadeIn(fade_mask);
2730 }
2731
2732 static void changeSetupValue(int, int, int);
2733
2734 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2735                              int mode, int num_page_entries,
2736                              int max_page_entries)
2737 {
2738   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2739   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2740   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2741   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2742   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2743   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2744   int *num_page_entries_last = num_page_entries_all_last[game_status];
2745   int *choice_store = choice_stores[game_status];
2746   int *first_entry_store = first_entry_stores[game_status];
2747   int choice = choice_store[mode];              // starts with 0
2748   int first_entry = first_entry_store[mode];    // starts with 0
2749   int x = 0;
2750   int y = choice - first_entry;
2751   int y_old = y;
2752   boolean position_set_by_scrollbar = (dx == 999);
2753   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2754   int i;
2755
2756   if (button == MB_MENU_INITIALIZE)
2757   {
2758     // check if number of menu page entries has changed (may happen by change
2759     // of custom artwork definition value for 'list_size' for this menu screen)
2760     // (in this case, the last menu position most probably has to be corrected)
2761     if (num_page_entries != num_page_entries_last[mode])
2762     {
2763       choice_store[mode] = first_entry_store[mode] = 0;
2764
2765       choice = first_entry = 0;
2766       y = y_old = 0;
2767
2768       num_page_entries_last[mode] = num_page_entries;
2769     }
2770
2771     // advance to first valid menu entry
2772     while (choice < num_page_entries &&
2773            menu_info[choice].type & TYPE_SKIP_ENTRY)
2774       choice++;
2775
2776     if (position_set_by_scrollbar)
2777       first_entry = first_entry_store[mode] = dy;
2778     else
2779       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2780                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2781
2782     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2783
2784     if (choice < first_entry)
2785     {
2786       choice = first_entry;
2787
2788       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2789         choice++;
2790     }
2791     else if (choice > first_entry + num_page_entries - 1)
2792     {
2793       choice = first_entry + num_page_entries - 1;
2794
2795       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2796         choice--;
2797     }
2798
2799     choice_store[mode] = choice;
2800
2801     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2802
2803     return;
2804   }
2805   else if (button == MB_MENU_LEAVE)
2806   {
2807     PlaySound(SND_MENU_ITEM_SELECTING);
2808
2809     for (i = 0; i < max_page_entries; i++)
2810     {
2811       if (menu_info[i].type & TYPE_LEAVE_MENU)
2812       {
2813         void (*menu_callback_function)(void) = menu_info[i].value;
2814
2815         FadeSetLeaveMenu();
2816
2817         menu_callback_function();
2818
2819         break;  // absolutely needed because function changes 'menu_info'!
2820       }
2821     }
2822
2823     return;
2824   }
2825
2826   if (mx || my)         // mouse input
2827   {
2828     x = (mx - mSX) / 32;
2829     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2830   }
2831   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2832   {
2833     // move cursor instead of scrolling when already at start/end of list
2834     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2835       dy = -1;
2836     else if (dy == +1 * SCROLL_LINE &&
2837              first_entry + num_page_entries == max_page_entries)
2838       dy = 1;
2839
2840     // handle scrolling screen one line or page
2841     if (y + dy < 0 ||
2842         y + dy > num_page_entries - 1)
2843     {
2844       boolean redraw = FALSE;
2845
2846       if (ABS(dy) == SCROLL_PAGE)
2847         step = num_page_entries - 1;
2848
2849       if (dy < 0 && first_entry > 0)
2850       {
2851         // scroll page/line up
2852
2853         first_entry -= step;
2854         if (first_entry < 0)
2855           first_entry = 0;
2856
2857         redraw = TRUE;
2858       }
2859       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2860       {
2861         // scroll page/line down
2862
2863         first_entry += step;
2864         if (first_entry + num_page_entries > max_page_entries)
2865           first_entry = MAX(0, max_page_entries - num_page_entries);
2866
2867         redraw = TRUE;
2868       }
2869
2870       if (redraw)
2871       {
2872         choice += first_entry - first_entry_store[mode];
2873
2874         if (choice < first_entry)
2875         {
2876           choice = first_entry;
2877
2878           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2879             choice++;
2880         }
2881         else if (choice > first_entry + num_page_entries - 1)
2882         {
2883           choice = first_entry + num_page_entries - 1;
2884
2885           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2886             choice--;
2887         }
2888         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2889         {
2890           choice += SIGN(dy);
2891
2892           if (choice < first_entry ||
2893               choice > first_entry + num_page_entries - 1)
2894           first_entry += SIGN(dy);
2895         }
2896
2897         first_entry_store[mode] = first_entry;
2898         choice_store[mode] = choice;
2899
2900         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2901
2902         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2903
2904         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2905                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2906       }
2907
2908       return;
2909     }
2910
2911     if (dx)
2912     {
2913       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2914
2915       if (menu_info[choice].type & menu_navigation_type ||
2916           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2917           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2918           menu_info[choice].type & TYPE_PLAYER)
2919         button = MB_MENU_CHOICE;
2920     }
2921     else if (dy)
2922       y += dy;
2923
2924     // jump to next non-empty menu entry (up or down)
2925     while (first_entry + y > 0 &&
2926            first_entry + y < max_page_entries - 1 &&
2927            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2928       y += dy;
2929
2930     if (!IN_VIS_MENU(x, y))
2931     {
2932       choice += y - y_old;
2933
2934       if (choice < first_entry)
2935         first_entry = choice;
2936       else if (choice > first_entry + num_page_entries - 1)
2937         first_entry = choice - num_page_entries + 1;
2938
2939       if (first_entry >= 0 &&
2940           first_entry + num_page_entries <= max_page_entries)
2941       {
2942         first_entry_store[mode] = first_entry;
2943
2944         if (choice < first_entry)
2945           choice = first_entry;
2946         else if (choice > first_entry + num_page_entries - 1)
2947           choice = first_entry + num_page_entries - 1;
2948
2949         choice_store[mode] = choice;
2950
2951         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2952
2953         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2954
2955         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2956                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2957       }
2958
2959       return;
2960     }
2961   }
2962
2963   if (!anyScrollbarGadgetActive() &&
2964       IN_VIS_MENU(x, y) &&
2965       mx < mx_right_border &&
2966       y >= 0 && y < num_page_entries)
2967   {
2968     if (button)
2969     {
2970       if (first_entry + y != choice &&
2971           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2972       {
2973         PlaySound(SND_MENU_ITEM_ACTIVATING);
2974
2975         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2976         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2977
2978         choice = choice_store[mode] = first_entry + y;
2979       }
2980       else if (dx < 0)
2981       {
2982         PlaySound(SND_MENU_ITEM_SELECTING);
2983
2984         for (i = 0; menu_info[i].type != 0; i++)
2985         {
2986           if (menu_info[i].type & TYPE_LEAVE_MENU)
2987           {
2988             void (*menu_callback_function)(void) = menu_info[i].value;
2989
2990             FadeSetLeaveMenu();
2991
2992             menu_callback_function();
2993
2994             // absolutely needed because function changes 'menu_info'!
2995             break;
2996           }
2997         }
2998
2999         return;
3000       }
3001     }
3002     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
3003     {
3004       PlaySound(SND_MENU_ITEM_SELECTING);
3005
3006       // when selecting key headline, execute function for key value change
3007       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
3008           menu_info[first_entry + y + 1].type & TYPE_KEY)
3009         y++;
3010
3011       // when selecting string value, execute function for list selection
3012       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3013           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
3014         y--;
3015
3016       // when selecting string value, execute function for text input gadget
3017       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3018           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
3019         y--;
3020
3021       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
3022       {
3023         void (*menu_callback_function)(void) =
3024           menu_info[first_entry + y].value;
3025
3026         FadeSetFromType(menu_info[first_entry + y].type);
3027
3028         menu_callback_function();
3029       }
3030       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
3031       {
3032         void (*gadget_callback_function)(void) =
3033           menu_info[first_entry + y].value;
3034
3035         gadget_callback_function();
3036       }
3037       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
3038                menu_info == setup_info)
3039       {
3040         changeSetupValue(y, first_entry + y, dx);
3041       }
3042     }
3043   }
3044 }
3045
3046 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
3047 {
3048   menu_info = info_info;
3049
3050   HandleMenuScreen(mx, my, dx, dy, button,
3051                    info_mode, num_info_info, max_info_info);
3052 }
3053
3054 static int getMenuFontSpacing(int spacing_height, int font_nr)
3055 {
3056   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
3057
3058   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
3059           spacing_height);
3060 }
3061
3062 static int getMenuTextSpacing(int spacing_height, int font_nr)
3063 {
3064   return (getMenuFontSpacing(spacing_height, font_nr) +
3065           EXTRA_SPACING(game_status));
3066 }
3067
3068 static int getMenuTextStep(int spacing_height, int font_nr)
3069 {
3070   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
3071 }
3072
3073 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
3074 {
3075   int font_error = FONT_TEXT_2;
3076   int font_foot  = MENU_INFO_FONT_FOOT;
3077   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3078   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3079
3080   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
3081
3082   FadeOut(REDRAW_FIELD);
3083
3084   ClearField();
3085
3086   DrawInfoScreen_Headline(0, 1, FALSE);
3087
3088   DrawTextSCentered(ystart, font_error, text_error);
3089   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3090
3091   FadeIn(REDRAW_FIELD);
3092 }
3093
3094 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
3095 {
3096   static int infoscreen_step[MAX_INFO_ELEMENTS_IN_ARRAY];
3097   static int infoscreen_frame[MAX_INFO_ELEMENTS_IN_ARRAY];
3098   int font_foot = MENU_INFO_FONT_FOOT;
3099   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
3100   int ystart = mSY + MENU_SCREEN_INFO_YSTART;
3101   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3102   int ystep = MENU_SCREEN_INFO_YSTEP;
3103   int element, action, direction;
3104   int graphic;
3105   int delay;
3106   int sync_frame;
3107   int i, j;
3108
3109   if (init)
3110   {
3111     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
3112       infoscreen_step[i] = infoscreen_frame[i] = 0;
3113
3114     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3115
3116     FrameCounter = 0;
3117   }
3118
3119   i = j = 0;
3120   while (helpanim_info[j].element != HELPANIM_LIST_END)
3121   {
3122     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3123         i >= max_anims)
3124       break;
3125     else if (i < start)
3126     {
3127       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3128         j++;
3129
3130       j++;
3131       i++;
3132
3133       continue;
3134     }
3135
3136     j += infoscreen_step[i - start];
3137
3138     element = helpanim_info[j].element;
3139     action = helpanim_info[j].action;
3140     direction = helpanim_info[j].direction;
3141
3142     if (element < 0)
3143       element = EL_UNKNOWN;
3144
3145     if (action != -1 && direction != -1)
3146       graphic = el_act_dir2img(element, action, direction);
3147     else if (action != -1)
3148       graphic = el_act2img(element, action);
3149     else if (direction != -1)
3150       graphic = el_dir2img(element, direction);
3151     else
3152       graphic = el2img(element);
3153
3154     delay = helpanim_info[j++].delay;
3155
3156     if (delay == -1)
3157       delay = 1000000;
3158
3159     if (infoscreen_frame[i - start] == 0)
3160     {
3161       sync_frame = 0;
3162       infoscreen_frame[i - start] = delay - 1;
3163     }
3164     else
3165     {
3166       sync_frame = delay - infoscreen_frame[i - start];
3167       infoscreen_frame[i - start]--;
3168     }
3169
3170     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3171     {
3172       if (!infoscreen_frame[i - start])
3173         infoscreen_step[i - start] = 0;
3174     }
3175     else
3176     {
3177       if (!infoscreen_frame[i - start])
3178         infoscreen_step[i - start]++;
3179       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3180         j++;
3181     }
3182
3183     j++;
3184
3185     ClearRectangleOnBackground(drawto, xstart, ystart + (i - start) * ystep,
3186                                TILEX, TILEY);
3187     DrawFixedGraphicAnimationExt(drawto, xstart, ystart + (i - start) * ystep,
3188                                  graphic, sync_frame, USE_MASKING);
3189
3190     if (init)
3191       DrawInfoScreen_HelpText(element, action, direction, i - start);
3192
3193     i++;
3194   }
3195
3196   redraw_mask |= REDRAW_FIELD;
3197
3198   FrameCounter++;
3199 }
3200
3201 static char *getHelpText(int element, int action, int direction)
3202 {
3203   char token[MAX_LINE_LEN];
3204
3205   strcpy(token, element_info[element].token_name);
3206
3207   if (action != -1)
3208     strcat(token, element_action_info[action].suffix);
3209
3210   if (direction != -1)
3211     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3212
3213   return getHashEntry(helptext_info, token);
3214 }
3215
3216 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3217 {
3218   int font_nr = FONT_INFO_ELEMENTS;
3219   int font_width = getFontWidth(font_nr);
3220   int font_height = getFontHeight(font_nr);
3221   int yoffset = (TILEX - 2 * font_height) / 2;
3222   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3223   int ystart = mSY + MENU_SCREEN_INFO_YSTART + yoffset;
3224   int ystep = TILEY + 4;
3225   int pad_left = xstart - SX;
3226   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3227   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3228   int max_lines_per_text = 2;    
3229   char *text = NULL;
3230
3231   if (action != -1 && direction != -1)          // element.action.direction
3232     text = getHelpText(element, action, direction);
3233
3234   if (text == NULL && action != -1)             // element.action
3235     text = getHelpText(element, action, -1);
3236
3237   if (text == NULL && direction != -1)          // element.direction
3238     text = getHelpText(element, -1, direction);
3239
3240   if (text == NULL)                             // base element
3241     text = getHelpText(element, -1, -1);
3242
3243   if (text == NULL)                             // not found
3244     text = "No description available";
3245
3246   if (strlen(text) <= max_chars_per_line)       // only one line of text
3247     ystart += getFontHeight(font_nr) / 2;
3248
3249   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3250                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3251                  TRUE, FALSE, FALSE);
3252 }
3253
3254 static void DrawInfoScreen_TitleScreen(void)
3255 {
3256   SetGameStatus(GAME_MODE_TITLE);
3257
3258   DrawTitleScreen();
3259 }
3260
3261 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3262 {
3263   HandleTitleScreen(0, 0, dx, dy, button);
3264 }
3265
3266 static void DrawInfoScreen_Elements(void)
3267 {
3268   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3269
3270   FadeInfoSoundsAndMusic();
3271
3272   FadeOut(REDRAW_FIELD);
3273
3274   LoadHelpAnimInfo();
3275   LoadHelpTextInfo();
3276
3277   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3278
3279   PlayInfoSoundsAndMusic();
3280
3281   FadeIn(REDRAW_FIELD);
3282 }
3283
3284 void HandleInfoScreen_Elements(int dx, int dy, int button)
3285 {
3286   static DelayCounter info_delay = { 0 };
3287   static int num_anims;
3288   static int num_pages;
3289   static int page;
3290   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3291   int i;
3292
3293   info_delay.value = GameFrameDelay;
3294
3295   if (button == MB_MENU_INITIALIZE)
3296   {
3297     boolean new_element = TRUE;
3298
3299     num_anims = 0;
3300
3301     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3302     {
3303       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3304         new_element = TRUE;
3305       else if (new_element)
3306       {
3307         num_anims++;
3308         new_element = FALSE;
3309       }
3310     }
3311
3312     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3313     page = 0;
3314   }
3315
3316   if (button == MB_MENU_LEAVE)
3317   {
3318     PlaySound(SND_MENU_ITEM_SELECTING);
3319
3320     info_mode = INFO_MODE_MAIN;
3321     DrawInfoScreen();
3322
3323     return;
3324   }
3325   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3326   {
3327     if (button != MB_MENU_INITIALIZE)
3328     {
3329       PlaySound(SND_MENU_ITEM_SELECTING);
3330
3331       page += (dx < 0 ? -1 : +1);
3332     }
3333
3334     if (page < 0 || page >= num_pages)
3335     {
3336       FadeInfoSoundsAndMusic();
3337
3338       info_mode = INFO_MODE_MAIN;
3339       DrawInfoScreen();
3340
3341       return;
3342     }
3343
3344     if (button != MB_MENU_INITIALIZE)
3345       FadeSetNextScreen();
3346
3347     if (button != MB_MENU_INITIALIZE)
3348       FadeOut(REDRAW_FIELD);
3349
3350     ClearField();
3351
3352     DrawInfoScreen_Headline(page, num_pages, TRUE);
3353     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3354
3355     if (button != MB_MENU_INITIALIZE)
3356       FadeIn(REDRAW_FIELD);
3357   }
3358   else
3359   {
3360     if (DelayReached(&info_delay))
3361       if (page < num_pages)
3362         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3363
3364     PlayInfoSoundIfLoop();
3365   }
3366 }
3367
3368 static void DrawInfoScreen_Music(void)
3369 {
3370   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3371
3372   FadeOut(REDRAW_FIELD);
3373
3374   ClearField();
3375
3376   DrawInfoScreen_Headline(0, 1, TRUE);
3377
3378   LoadMusicInfo();
3379
3380   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3381
3382   FadeIn(REDRAW_FIELD);
3383 }
3384
3385 void HandleInfoScreen_Music(int dx, int dy, int button)
3386 {
3387   static struct MusicFileInfo *list = NULL;
3388   static int num_screens = 0;
3389   static int screen_nr = 0;
3390   int font_title = MENU_INFO_FONT_TITLE;
3391   int font_head  = MENU_INFO_FONT_HEAD;
3392   int font_text  = MENU_INFO_FONT_TEXT;
3393   int font_foot  = MENU_INFO_FONT_FOOT;
3394   int spacing_head = menu.headline2_spacing_info[info_mode];
3395   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3396   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3397   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3398
3399   if (button == MB_MENU_INITIALIZE)
3400   {
3401     struct MusicFileInfo *list_ptr = music_file_info;
3402
3403     num_screens = 0;
3404     screen_nr = 0;
3405
3406     while (list_ptr != NULL)
3407     {
3408       list_ptr = list_ptr->next;
3409       num_screens++;
3410     }
3411
3412     list = music_file_info;
3413
3414     if (list == NULL)
3415     {
3416       FadeMenuSoundsAndMusic();
3417
3418       ClearField();
3419
3420       DrawInfoScreen_Headline(0, 1, TRUE);
3421
3422       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3423       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3424
3425       return;
3426     }
3427   }
3428
3429   if (button == MB_MENU_LEAVE)
3430   {
3431     PlaySound(SND_MENU_ITEM_SELECTING);
3432
3433     FadeMenuSoundsAndMusic();
3434
3435     info_mode = INFO_MODE_MAIN;
3436     DrawInfoScreen();
3437
3438     return;
3439   }
3440   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3441   {
3442     if (button != MB_MENU_INITIALIZE)
3443     {
3444       PlaySound(SND_MENU_ITEM_SELECTING);
3445
3446       if (list != NULL)
3447       {
3448         list = (dx < 0 ? list->prev : list->next);
3449         screen_nr += (dx < 0 ? -1 : +1);
3450       }
3451     }
3452
3453     if (list == NULL)
3454     {
3455       FadeMenuSoundsAndMusic();
3456
3457       info_mode = INFO_MODE_MAIN;
3458       DrawInfoScreen();
3459
3460       return;
3461     }
3462
3463     FadeMenuSoundsAndMusic();
3464
3465     if (list != music_file_info)
3466       FadeSetNextScreen();
3467
3468     if (button != MB_MENU_INITIALIZE)
3469       FadeOut(REDRAW_FIELD);
3470
3471     ClearField();
3472
3473     DrawInfoScreen_Headline(screen_nr, num_screens, TRUE);
3474
3475     if (list->is_sound)
3476     {
3477       int sound = list->music;
3478
3479       if (IS_LOOP_SOUND(sound))
3480         PlaySoundLoop(sound);
3481       else
3482         PlaySound(sound);
3483     }
3484     else
3485     {
3486       int music = list->music;
3487
3488       if (IS_LOOP_MUSIC(music))
3489         PlayMusicLoop(music);
3490       else
3491         PlayMusic(music);
3492     }
3493
3494     if (!strEqual(list->title, UNKNOWN_NAME))
3495     {
3496       if (!strEqual(list->title_header, UNKNOWN_NAME))
3497         DrawTextSCentered(ystart, font_head, list->title_header);
3498       else
3499         DrawTextSCentered(ystart, font_head, "Track");
3500
3501       ystart += ystep_head;
3502
3503       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3504       ystart += ystep_head;
3505     }
3506
3507     if (!strEqual(list->artist, UNKNOWN_NAME))
3508     {
3509       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3510         DrawTextSCentered(ystart, font_head, list->artist_header);
3511       else
3512         DrawTextSCentered(ystart, font_head, "by");
3513
3514       ystart += ystep_head;
3515
3516       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3517       ystart += ystep_head;
3518     }
3519
3520     if (!strEqual(list->album, UNKNOWN_NAME))
3521     {
3522       if (!strEqual(list->album_header, UNKNOWN_NAME))
3523         DrawTextSCentered(ystart, font_head, list->album_header);
3524       else
3525         DrawTextSCentered(ystart, font_head, "from the album");
3526
3527       ystart += ystep_head;
3528
3529       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3530       ystart += ystep_head;
3531     }
3532
3533     if (!strEqual(list->year, UNKNOWN_NAME))
3534     {
3535       if (!strEqual(list->year_header, UNKNOWN_NAME))
3536         DrawTextSCentered(ystart, font_head, list->year_header);
3537       else
3538         DrawTextSCentered(ystart, font_head, "from the year");
3539
3540       ystart += ystep_head;
3541
3542       DrawTextFCentered(ystart, font_text, "%s", list->year);
3543       ystart += ystep_head;
3544     }
3545
3546     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3547
3548     if (button != MB_MENU_INITIALIZE)
3549       FadeIn(REDRAW_FIELD);
3550   }
3551
3552   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3553     PlaySoundLoop(list->music);
3554 }
3555
3556 static void DrawInfoScreen_Version(void)
3557 {
3558   int font_head = MENU_INFO_FONT_HEAD;
3559   int font_text = MENU_INFO_FONT_TEXT;
3560   int font_foot = MENU_INFO_FONT_FOOT;
3561   int spacing_head = menu.headline2_spacing_info[info_mode];
3562   int spacing_para = menu.paragraph_spacing_info[info_mode];
3563   int spacing_line = menu.line_spacing_info[info_mode];
3564   int xstep = getFontWidth(font_text);
3565   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3566   int ystep_para = getMenuTextStep(spacing_para,  font_text);
3567   int ystep_line = getMenuTextStep(spacing_line,  font_text);
3568   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3569   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3570   int xstart1 = mSX - SX + 2 * xstep;
3571   int xstart2 = mSX - SX + 18 * xstep;
3572   int xstart3 = mSX - SX + 28 * xstep;
3573   SDL_version sdl_version_compiled;
3574   const SDL_version *sdl_version_linked;
3575   int driver_name_len = 10;
3576   SDL_version sdl_version_linked_ext;
3577   const char *driver_name = NULL;
3578
3579   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3580
3581   FadeInfoSoundsAndMusic();
3582
3583   FadeOut(REDRAW_FIELD);
3584
3585   ClearField();
3586
3587   DrawInfoScreen_Headline(0, 1, TRUE);
3588
3589   DrawTextF(xstart1, ystart, font_head, "Name");
3590   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3591   ystart += ystep_line;
3592
3593   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3594   {
3595     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3596     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3597     ystart += ystep_line;
3598
3599     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3600     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3601     ystart += ystep_line;
3602   }
3603   else
3604   {
3605     DrawTextF(xstart1, ystart, font_head, "Version");
3606     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3607     ystart += ystep_line;
3608   }
3609
3610   DrawTextF(xstart1, ystart, font_head, "Platform");
3611   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3612             PLATFORM_STRING,
3613             PLATFORM_XX_BIT_STRING);
3614   ystart += ystep_line;
3615
3616   DrawTextF(xstart1, ystart, font_head, "Target");
3617   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3618   ystart += ystep_line;
3619
3620   DrawTextF(xstart1, ystart, font_head, "Source date");
3621   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3622   ystart += ystep_line;
3623
3624   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3625   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3626   ystart += ystep_para;
3627
3628   DrawTextF(xstart1, ystart, font_head, "Library");
3629   DrawTextF(xstart2, ystart, font_head, "compiled");
3630   DrawTextF(xstart3, ystart, font_head, "linked");
3631   ystart += ystep_head;
3632
3633   SDL_VERSION(&sdl_version_compiled);
3634   SDL_GetVersion(&sdl_version_linked_ext);
3635   sdl_version_linked = &sdl_version_linked_ext;
3636
3637   DrawTextF(xstart1, ystart, font_text, "SDL");
3638   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3639             sdl_version_compiled.major,
3640             sdl_version_compiled.minor,
3641             sdl_version_compiled.patch);
3642   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3643             sdl_version_linked->major,
3644             sdl_version_linked->minor,
3645             sdl_version_linked->patch);
3646   ystart += ystep_line;
3647
3648   SDL_IMAGE_VERSION(&sdl_version_compiled);
3649   sdl_version_linked = IMG_Linked_Version();
3650
3651   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3652   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3653             sdl_version_compiled.major,
3654             sdl_version_compiled.minor,
3655             sdl_version_compiled.patch);
3656   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3657             sdl_version_linked->major,
3658             sdl_version_linked->minor,
3659             sdl_version_linked->patch);
3660   ystart += ystep_line;
3661
3662   SDL_MIXER_VERSION(&sdl_version_compiled);
3663   sdl_version_linked = Mix_Linked_Version();
3664
3665   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3666   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3667             sdl_version_compiled.major,
3668             sdl_version_compiled.minor,
3669             sdl_version_compiled.patch);
3670   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3671             sdl_version_linked->major,
3672             sdl_version_linked->minor,
3673             sdl_version_linked->patch);
3674   ystart += ystep_line;
3675
3676   SDL_NET_VERSION(&sdl_version_compiled);
3677   sdl_version_linked = SDLNet_Linked_Version();
3678
3679   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3680   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3681             sdl_version_compiled.major,
3682             sdl_version_compiled.minor,
3683             sdl_version_compiled.patch);
3684   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3685             sdl_version_linked->major,
3686             sdl_version_linked->minor,
3687             sdl_version_linked->patch);
3688   ystart += ystep_para;
3689
3690   DrawTextF(xstart1, ystart, font_head, "Driver");
3691   DrawTextF(xstart2, ystart, font_head, "Requested");
3692   DrawTextF(xstart3, ystart, font_head, "Used");
3693   ystart += ystep_head;
3694
3695   driver_name =
3696     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3697
3698   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3699   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3700   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3701   ystart += ystep_line;
3702
3703   driver_name =
3704     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3705
3706   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3707   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3708   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3709   ystart += ystep_line;
3710
3711   driver_name =
3712     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3713
3714   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3715   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3716   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3717
3718   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3719
3720   PlayInfoSoundsAndMusic();
3721
3722   FadeIn(REDRAW_FIELD);
3723 }
3724
3725 void HandleInfoScreen_Version(int button)
3726 {
3727   if (button == MB_MENU_LEAVE)
3728   {
3729     PlaySound(SND_MENU_ITEM_SELECTING);
3730
3731     info_mode = INFO_MODE_MAIN;
3732     DrawInfoScreen();
3733
3734     return;
3735   }
3736   else if (button == MB_MENU_CHOICE)
3737   {
3738     PlaySound(SND_MENU_ITEM_SELECTING);
3739
3740     FadeMenuSoundsAndMusic();
3741
3742     info_mode = INFO_MODE_MAIN;
3743     DrawInfoScreen();
3744   }
3745   else
3746   {
3747     PlayMenuSoundIfLoop();
3748   }
3749 }
3750
3751 static char *getInfoScreenTitle_Generic(void)
3752 {
3753   return (info_mode == INFO_MODE_MAIN     ? STR_INFO_MAIN     :
3754           info_mode == INFO_MODE_TITLE    ? STR_INFO_TITLE    :
3755           info_mode == INFO_MODE_ELEMENTS ? STR_INFO_ELEMENTS :
3756           info_mode == INFO_MODE_MUSIC    ? STR_INFO_MUSIC    :
3757           info_mode == INFO_MODE_CREDITS  ? STR_INFO_CREDITS  :
3758           info_mode == INFO_MODE_PROGRAM  ? STR_INFO_PROGRAM  :
3759           info_mode == INFO_MODE_VERSION  ? STR_INFO_VERSION  :
3760           info_mode == INFO_MODE_LEVELSET ? STR_INFO_LEVELSET :
3761           "");
3762 }
3763
3764 static int getInfoScreenBackgroundImage_Generic(void)
3765 {
3766   return (info_mode == INFO_MODE_ELEMENTS ? IMG_BACKGROUND_INFO_ELEMENTS :
3767           info_mode == INFO_MODE_MUSIC    ? IMG_BACKGROUND_INFO_MUSIC    :
3768           info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
3769           info_mode == INFO_MODE_PROGRAM  ? IMG_BACKGROUND_INFO_PROGRAM  :
3770           info_mode == INFO_MODE_VERSION  ? IMG_BACKGROUND_INFO_VERSION  :
3771           info_mode == INFO_MODE_LEVELSET ? IMG_BACKGROUND_INFO_LEVELSET :
3772           IMG_BACKGROUND_INFO);
3773 }
3774
3775 static int getInfoScreenBackgroundSound_Generic(void)
3776 {
3777   return (info_mode == INFO_MODE_ELEMENTS ? SND_BACKGROUND_INFO_ELEMENTS :
3778           info_mode == INFO_MODE_CREDITS  ? SND_BACKGROUND_INFO_CREDITS  :
3779           info_mode == INFO_MODE_PROGRAM  ? SND_BACKGROUND_INFO_PROGRAM  :
3780           info_mode == INFO_MODE_VERSION  ? SND_BACKGROUND_INFO_VERSION  :
3781           info_mode == INFO_MODE_LEVELSET ? SND_BACKGROUND_INFO_LEVELSET :
3782           SND_BACKGROUND_INFO);
3783 }
3784
3785 static int getInfoScreenBackgroundMusic_Generic(void)
3786 {
3787   return (info_mode == INFO_MODE_ELEMENTS ? MUS_BACKGROUND_INFO_ELEMENTS :
3788           info_mode == INFO_MODE_CREDITS  ? MUS_BACKGROUND_INFO_CREDITS  :
3789           info_mode == INFO_MODE_PROGRAM  ? MUS_BACKGROUND_INFO_PROGRAM  :
3790           info_mode == INFO_MODE_VERSION  ? MUS_BACKGROUND_INFO_VERSION  :
3791           info_mode == INFO_MODE_LEVELSET ? MUS_BACKGROUND_INFO_LEVELSET :
3792           MUS_BACKGROUND_INFO);
3793 }
3794
3795 static char *getInfoScreenFilename_Generic(int nr, boolean global)
3796 {
3797   return (info_mode == INFO_MODE_CREDITS  ? getCreditsFilename(nr, global) :
3798           info_mode == INFO_MODE_PROGRAM  ? getProgramInfoFilename(nr)     :
3799           info_mode == INFO_MODE_LEVELSET ? getLevelSetInfoFilename(nr)    :
3800           NULL);
3801 }
3802
3803 static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
3804                                          int use_global_screens)
3805 {
3806   char *filename = getInfoScreenFilename_Generic(screen_nr, use_global_screens);
3807   int font_text = MENU_INFO_FONT_TEXT;
3808   int font_foot = MENU_INFO_FONT_FOOT;
3809   int spacing_line = menu.line_spacing_info[info_mode];
3810   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3811
3812   ClearField();
3813
3814   DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3815
3816   if (info_mode == INFO_MODE_CREDITS ||
3817       info_mode == INFO_MODE_PROGRAM)
3818   {
3819     int width = SXSIZE;
3820     int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART;
3821     int chars = width / getFontWidth(font_text);
3822     int lines = height / getFontHeight(font_text);
3823     int padx = (width - chars * getFontWidth(font_text)) / 2;
3824     int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3825     boolean autowrap = FALSE;
3826     boolean centered = TRUE;
3827     boolean parse_comments = TRUE;
3828
3829     DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART,
3830                  filename, font_text, chars, -1, lines, line_spacing, -1,
3831                  autowrap, centered, parse_comments);
3832   }
3833   else if (info_mode == INFO_MODE_LEVELSET)
3834   {
3835     struct TitleMessageInfo *tmi = &readme;
3836
3837     // if x position set to "-1", automatically determine by playfield width
3838     if (tmi->x == -1)
3839       tmi->x = SXSIZE / 2;
3840
3841     // if y position set to "-1", use static default value
3842     if (tmi->y == -1)
3843       tmi->y = MENU_SCREEN_INFO_YSTART;
3844
3845     // if width set to "-1", automatically determine by playfield width
3846     if (tmi->width == -1)
3847       tmi->width = SXSIZE - 2 * TILEX;
3848
3849     // if height set to "-1", automatically determine by playfield height
3850     if (tmi->height == -1)
3851       tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3852
3853     // if chars set to "-1", automatically determine by text and font width
3854     if (tmi->chars == -1)
3855       tmi->chars = tmi->width / getFontWidth(tmi->font);
3856     else
3857       tmi->width = tmi->chars * getFontWidth(tmi->font);
3858
3859     // if lines set to "-1", automatically determine by text and font height
3860     if (tmi->lines == -1)
3861       tmi->lines = tmi->height / getFontHeight(tmi->font);
3862     else
3863       tmi->height = tmi->lines * getFontHeight(tmi->font);
3864
3865     DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3866                  filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3867                  tmi->autowrap, tmi->centered, tmi->parse_comments);
3868   }
3869
3870   boolean last_screen = (screen_nr == num_screens - 1);
3871   char *text_foot = (last_screen ? TEXT_NEXT_MENU : TEXT_NEXT_PAGE);
3872
3873   DrawTextSCentered(ybottom, font_foot, text_foot);
3874 }
3875
3876 static void DrawInfoScreen_Generic(void)
3877 {
3878   SetMainBackgroundImageIfDefined(getInfoScreenBackgroundImage_Generic());
3879
3880   FadeInfoSoundsAndMusic();
3881
3882   FadeOut(REDRAW_FIELD);
3883
3884   HandleInfoScreen_Generic(0, 0, MB_MENU_INITIALIZE);
3885
3886   PlayInfoSoundsAndMusic();
3887
3888   FadeIn(REDRAW_FIELD);
3889 }
3890
3891 void HandleInfoScreen_Generic(int dx, int dy, int button)
3892 {
3893   static char *text_no_info = "";
3894   static int num_screens = 0;
3895   static int screen_nr = 0;
3896   static boolean use_global_screens = FALSE;
3897
3898   if (button == MB_MENU_INITIALIZE)
3899   {
3900     num_screens = 0;
3901     screen_nr = 0;
3902
3903     if (info_mode == INFO_MODE_CREDITS)
3904     {
3905       int i;
3906
3907       for (i = 0; i < 2; i++)
3908       {
3909         use_global_screens = i;         // check for "FALSE", then "TRUE"
3910
3911         // determine number of (global or level set specific) credits screens
3912         while (getCreditsFilename(num_screens, use_global_screens) != NULL)
3913           num_screens++;
3914
3915         if (num_screens > 0)
3916           break;
3917       }
3918
3919       text_no_info = "No credits available.";
3920     }
3921     else if (info_mode == INFO_MODE_PROGRAM)
3922     {
3923       use_global_screens = TRUE;
3924
3925       // determine number of program info screens
3926       while (getProgramInfoFilename(num_screens) != NULL)
3927         num_screens++;
3928
3929       text_no_info = "No program info available.";
3930     }
3931     else if (info_mode == INFO_MODE_LEVELSET)
3932     {
3933       use_global_screens = FALSE;
3934
3935       // determine number of levelset info screens
3936       while (getLevelSetInfoFilename(num_screens) != NULL)
3937         num_screens++;
3938
3939       text_no_info = "No level set info available.";
3940     }
3941
3942     if (num_screens == 0)
3943     {
3944       int font_title = MENU_INFO_FONT_TITLE;
3945       int font_foot  = MENU_INFO_FONT_FOOT;
3946       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3947       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3948
3949       ClearField();
3950
3951       DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3952
3953       DrawTextSCentered(ystart, font_title, text_no_info);
3954       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3955
3956       return;
3957     }
3958
3959     DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
3960   }
3961   else if (button == MB_MENU_LEAVE)
3962   {
3963     PlaySound(SND_MENU_ITEM_SELECTING);
3964
3965     info_mode = INFO_MODE_MAIN;
3966     DrawInfoScreen();
3967   }
3968   else if (button == MB_MENU_CHOICE || dx)
3969   {
3970     PlaySound(SND_MENU_ITEM_SELECTING);
3971
3972     screen_nr += (dx < 0 ? -1 : +1);
3973
3974     if (screen_nr < 0 || screen_nr >= num_screens)
3975     {
3976       FadeInfoSoundsAndMusic();
3977
3978       info_mode = INFO_MODE_MAIN;
3979       DrawInfoScreen();
3980     }
3981     else
3982     {
3983       FadeSetNextScreen();
3984
3985       FadeOut(REDRAW_FIELD);
3986
3987       DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
3988
3989       FadeIn(REDRAW_FIELD);
3990     }
3991   }
3992   else
3993   {
3994     PlayInfoSoundIfLoop();
3995   }
3996 }
3997
3998 static void DrawInfoScreen(void)
3999 {
4000   if (info_mode == INFO_MODE_TITLE)
4001     DrawInfoScreen_TitleScreen();
4002   else if (info_mode == INFO_MODE_ELEMENTS)
4003     DrawInfoScreen_Elements();
4004   else if (info_mode == INFO_MODE_MUSIC)
4005     DrawInfoScreen_Music();
4006   else if (info_mode == INFO_MODE_CREDITS)
4007     DrawInfoScreen_Generic();
4008   else if (info_mode == INFO_MODE_PROGRAM)
4009     DrawInfoScreen_Generic();
4010   else if (info_mode == INFO_MODE_VERSION)
4011     DrawInfoScreen_Version();
4012   else if (info_mode == INFO_MODE_LEVELSET)
4013     DrawInfoScreen_Generic();
4014   else
4015     DrawInfoScreen_Main();
4016 }
4017
4018 void DrawInfoScreen_FromMainMenu(int nr)
4019 {
4020   int fade_mask = REDRAW_FIELD;
4021
4022   if (nr < INFO_MODE_MAIN || nr >= MAX_INFO_MODES)
4023     return;
4024
4025   CloseDoor(DOOR_CLOSE_2);
4026
4027   SetGameStatus(GAME_MODE_INFO);
4028
4029   info_mode = nr;
4030   info_screens_from_main = TRUE;
4031
4032   if (redraw_mask & REDRAW_ALL)
4033     fade_mask = REDRAW_ALL;
4034
4035   if (CheckFadeAll())
4036     fade_mask = REDRAW_ALL;
4037
4038   UnmapAllGadgets();
4039   FadeMenuSoundsAndMusic();
4040
4041   FadeSetEnterScreen();
4042
4043   FadeOut(fade_mask);
4044
4045   FadeSkipNextFadeOut();
4046
4047   // needed if different viewport properties defined for info screen
4048   ChangeViewportPropertiesIfNeeded();
4049
4050   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
4051
4052   DrawInfoScreen();
4053 }
4054
4055 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4056 {
4057   if (info_mode == INFO_MODE_TITLE)
4058     HandleInfoScreen_TitleScreen(dx, dy, button);
4059   else if (info_mode == INFO_MODE_ELEMENTS)
4060     HandleInfoScreen_Elements(dx, dy, button);
4061   else if (info_mode == INFO_MODE_MUSIC)
4062     HandleInfoScreen_Music(dx, dy, button);
4063   else if (info_mode == INFO_MODE_CREDITS)
4064     HandleInfoScreen_Generic(dx, dy, button);
4065   else if (info_mode == INFO_MODE_PROGRAM)
4066     HandleInfoScreen_Generic(dx, dy, button);
4067   else if (info_mode == INFO_MODE_VERSION)
4068     HandleInfoScreen_Version(button);
4069   else if (info_mode == INFO_MODE_LEVELSET)
4070     HandleInfoScreen_Generic(dx, dy, button);
4071   else
4072     HandleInfoScreen_Main(mx, my, dx, dy, button);
4073 }
4074
4075
4076 // ============================================================================
4077 // type name functions
4078 // ============================================================================
4079
4080 static TreeInfo *type_name_node = NULL;
4081 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4082 static int type_name_nr = 0;
4083
4084 static int getPlayerNameColor(char *name)
4085 {
4086   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4087 }
4088
4089 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4090                              boolean active)
4091 {
4092   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4093   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4094   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4095   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4096   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4097   int font_width = getFontWidth(font_nr);
4098   int font_xoffset = getFontDrawOffsetX(font_nr);
4099   int font_yoffset = getFontDrawOffsetY(font_nr);
4100   int font_sx = sx + font_xoffset;
4101   int font_sy = sy + font_yoffset;
4102
4103   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4104
4105   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4106
4107   pos->width = strlen(text) * font_width;
4108   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4109
4110   DrawText(sx, sy, text, font_nr);
4111 }
4112
4113 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4114 {
4115   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4116
4117   *pos = *mci->pos_input;
4118
4119   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4120   {
4121     TreeInfo *ti = player_name_current;
4122     int first_entry = ti->cl_first;
4123     int entry_pos = first_entry + ti->cl_cursor;
4124     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4125     int xpos = MENU_SCREEN_START_XPOS;
4126     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4127
4128     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4129     type_name_nr = entry_pos;
4130
4131     strcpy(name, type_name_node->name);
4132
4133     pos->x = xpos * 32;
4134     pos->y = ypos * 32;
4135     pos->width = MAX_PLAYER_NAME_LEN * 32;
4136   }
4137   else
4138   {
4139     type_name_nr = user.nr;
4140
4141     strcpy(name, setup.player_name);
4142   }
4143
4144   strcpy(type_name_last, name);
4145
4146   if (strEqual(name, EMPTY_PLAYER_NAME))
4147     strcpy(name, "");
4148
4149   *xpos = strlen(name);
4150 }
4151
4152 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4153 {
4154   // change name of edited user in global list of user names
4155   setString(&global.user_names[type_name_nr], name);
4156
4157   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4158   {
4159     TreeInfo *node = type_name_node;
4160
4161     // change name of edited user in local menu tree structure
4162     setString(&node->name, name);
4163     setString(&node->name_sorting, name);
4164
4165     node->color = getPlayerNameColor(name);
4166     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4167   }
4168 }
4169
4170 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4171                               boolean changed)
4172 {
4173   boolean reset_setup = strEqual(name, "");
4174   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4175   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4176
4177   if (!changed)
4178     strcpy(name, type_name_last);
4179
4180   if (strEqual(name, ""))
4181     strcpy(name, EMPTY_PLAYER_NAME);
4182
4183   setTypeNameValues_Name(name, pos);
4184
4185   // if player name not changed, no further action required
4186   if (strEqual(name, type_name_last))
4187     return;
4188
4189   // redraw player name before (possibly) opening request dialogs
4190   drawTypeNameText(name, pos, FALSE);
4191
4192   int last_user_nr = user.nr;
4193
4194   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4195   {
4196     // save setup of currently active user (may differ from edited user)
4197     SaveSetup();
4198
4199     // temporarily change active user to edited user
4200     user.nr = type_name_nr;
4201
4202     if (create_user &&
4203         Request("Use current setup values for the new player?", REQ_ASK))
4204     {
4205       // use current setup values for new user, but create new player UUID
4206       setup.player_uuid = getStringCopy(getUUID());
4207     }
4208     else
4209     {
4210       // load setup for existing user (or start with defaults for new user)
4211       LoadSetup();
4212     }
4213   }
4214
4215   char *setup_filename = getSetupFilename();
4216   boolean setup_exists = fileExists(setup_filename);
4217
4218   // change name of edited user in setup structure
4219   strcpy(setup.player_name, name);
4220
4221   // save setup of edited user
4222   SaveSetup();
4223
4224   // change name of edited user on score server
4225   ApiRenamePlayerAsThread();
4226
4227   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4228   {
4229     if (reset_setup)
4230     {
4231       if (Request("Reset setup values for this player?", REQ_ASK))
4232       {
4233         // remove setup config file
4234         unlink(setup_filename);
4235
4236         // set player name to default player name
4237         LoadSetup();
4238
4239         // update player name used by name typing functions
4240         strcpy(name, setup.player_name);
4241
4242         setTypeNameValues_Name(name, pos);
4243       }
4244     }
4245     else if (remove_user && type_name_nr != 0)
4246     {
4247       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4248       {
4249         char *user_dir = getUserGameDataDir();
4250         char *user_dir_removed =
4251           getStringCat3WithSeparator(user_dir, "REMOVED",
4252                                      getCurrentTimestamp(), ".");
4253
4254         if (rename(user_dir, user_dir_removed) != 0)
4255           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4256
4257         checked_free(user_dir_removed);
4258       }
4259     }
4260     else if (create_user && type_name_nr != 0 && !setup_exists)
4261     {
4262       if (Request("Create empty level set for the new player?", REQ_ASK))
4263       {
4264         char *levelset_subdir = getNewUserLevelSubdir();
4265
4266         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4267         {
4268           AddUserLevelSetToLevelInfo(levelset_subdir);
4269
4270           LevelDirTree *leveldir_current_last = leveldir_current;
4271
4272           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4273                                                        levelset_subdir);
4274
4275           // set level number of newly created level set to default value
4276           LoadLevelSetup_SeriesInfo();
4277
4278           // set newly created level set as current level set for new user
4279           SaveLevelSetup_LastSeries();
4280           SaveLevelSetup_SeriesInfo();
4281
4282           leveldir_current = leveldir_current_last;
4283         }
4284         else
4285         {
4286           Request("Creating new level set failed!", REQ_CONFIRM);
4287         }
4288       }
4289     }
4290
4291     // restore currently active user
4292     user.nr = last_user_nr;
4293
4294     // restore setup of currently active user
4295     LoadSetup();
4296
4297     // restore last level set of currently active user
4298     LoadLevelSetup_LastSeries();
4299     LoadLevelSetup_SeriesInfo();
4300   }
4301 }
4302
4303 static void HandleTypeNameExt(boolean initialize, Key key)
4304 {
4305   static struct TextPosInfo pos_name = { 0 };
4306   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4307   static int xpos = 0;
4308   struct TextPosInfo *pos = &pos_name;
4309   char key_char = getValidConfigValueChar(getCharFromKey(key));
4310   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4311   boolean active = TRUE;
4312
4313   if (initialize)
4314   {
4315     getTypeNameValues(name, pos, &xpos);
4316
4317     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4318     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4319
4320     StartTextInput(sx, sy, pos->width, pos->height);
4321   }
4322   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4323   {
4324     name[xpos] = key_char;
4325     name[xpos + 1] = 0;
4326
4327     xpos++;
4328   }
4329   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4330   {
4331     xpos--;
4332
4333     name[xpos] = 0;
4334   }
4335   else if (key == KSYM_Return || key == KSYM_Escape)
4336   {
4337     boolean changed = (key == KSYM_Return);
4338
4339     StopTextInput();
4340
4341     setTypeNameValues(name, pos, changed);
4342
4343     active = FALSE;
4344   }
4345
4346   drawTypeNameText(name, pos, active);
4347
4348   if (!active)
4349   {
4350     SetGameStatus(game_status_last_screen);
4351
4352     if (game_status == GAME_MODE_MAIN)
4353       InitializeMainControls();
4354   }
4355 }
4356
4357 static void DrawTypeName(void)
4358 {
4359   HandleTypeNameExt(TRUE, 0);
4360 }
4361
4362 void HandleTypeName(Key key)
4363 {
4364   HandleTypeNameExt(FALSE, key);
4365 }
4366
4367
4368 // ============================================================================
4369 // tree menu functions
4370 // ============================================================================
4371
4372 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4373 {
4374   if (game_status != GAME_MODE_SETUP ||
4375       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4376     return 0;
4377
4378   int max_text_size = 0;
4379   TreeInfo *node;
4380
4381   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4382     max_text_size = MAX(max_text_size, strlen(node->name));
4383
4384   int num_entries = numTreeInfoInGroup(ti);
4385   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4386   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4387   int text_width = max_text_size * getFontWidth(font_nr);
4388   int button_width = SC_MENUBUTTON_XSIZE;
4389   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4390   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4391   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4392   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4393   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4394   int align_xoffset = MAX(0, align_xoffset_raw);
4395
4396   return align_xoffset;
4397 }
4398
4399 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4400 {
4401   if (game_status != GAME_MODE_SETUP ||
4402       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4403     return 0;
4404
4405   int num_entries = numTreeInfoInGroup(ti);
4406   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4407   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4408   int font_height = getFontHeight(font_nr);
4409   int text_height = font_height * num_page_entries;
4410   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4411   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4412   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4413   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4414   int align_yoffset = MAX(0, align_yoffset_raw);
4415
4416   return align_yoffset;
4417 }
4418
4419 static void StartPlayingFromHallOfFame(void)
4420 {
4421   level_nr = scores.next_level_nr;
4422   LoadLevel(level_nr);
4423
4424   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4425 }
4426
4427 static void DrawChooseTree(TreeInfo **ti_ptr)
4428 {
4429   int fade_mask = REDRAW_FIELD;
4430   boolean restart_music = (game_status != game_status_last_screen &&
4431                            game_status_last_screen != GAME_MODE_SCOREINFO);
4432
4433   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4434                                game_status_last_screen == GAME_MODE_PLAYING);
4435
4436   if (CheckFadeAll())
4437     fade_mask = REDRAW_ALL;
4438
4439   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4440   {
4441     if (game_status == GAME_MODE_SETUP)
4442     {
4443       execSetupArtwork();
4444     }
4445     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4446     {
4447       StartPlayingFromHallOfFame();
4448     }
4449     else
4450     {
4451       SetGameStatus(GAME_MODE_MAIN);
4452
4453       DrawMainMenu();
4454     }
4455
4456     return;
4457   }
4458
4459   UnmapAllGadgets();
4460
4461   FreeScreenGadgets();
4462   CreateScreenGadgets();
4463
4464   if (restart_music)
4465     FadeMenuSoundsAndMusic();
4466
4467   FadeOut(fade_mask);
4468
4469   // needed if different viewport properties defined for this screen
4470   ChangeViewportPropertiesIfNeeded();
4471
4472   if (game_status == GAME_MODE_NAMES)
4473     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4474   else if (game_status == GAME_MODE_LEVELNR)
4475     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4476   else if (game_status == GAME_MODE_LEVELS)
4477     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4478   else if (game_status == GAME_MODE_SCORES)
4479     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4480
4481   ClearField();
4482
4483   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4484
4485   // map gadgets for high score screen
4486   if (game_status == GAME_MODE_SCORES)
4487     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4488
4489   MapScreenTreeGadgets(*ti_ptr);
4490
4491   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4492
4493   DrawMaskedBorder(fade_mask);
4494
4495   if (restart_music)
4496     PlayMenuSoundsAndMusic();
4497
4498   FadeIn(fade_mask);
4499 }
4500
4501 static int getChooseTreeFont(TreeInfo *node, boolean active)
4502 {
4503   if (game_status == GAME_MODE_SCORES)
4504     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4505   else
4506     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4507 }
4508
4509 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4510 {
4511   int num_entries = numTreeInfoInGroup(ti);
4512   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4513   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4514   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4515   int first_entry = ti->cl_first;
4516   int entry_pos = first_entry + y;
4517   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4518   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4519   int font_nr = getChooseTreeFont(node, active);
4520   int font_xoffset = getFontDrawOffsetX(font_nr);
4521   int xpos = MENU_SCREEN_START_XPOS;
4522   int ypos = MENU_SCREEN_START_YPOS + y;
4523   int startdx = xpos * 32;
4524   int startdy = ypos * 32;
4525   int startx = amSX + startdx;
4526   int starty = amSY + startdy;
4527   int startx_text = startx + font_xoffset;
4528   int endx_text = amSX + screen_width;
4529   int max_text_size = endx_text - startx_text;
4530   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4531   char buffer[max_buffer_len + 1];
4532
4533   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4534   {
4535     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4536     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4537     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4538     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4539     int font_size_1 = getFontWidth(font_nr1);
4540     int font_size_3 = getFontWidth(font_nr3);
4541     int font_size_4 = getFontWidth(font_nr4);
4542     int text_size_1 = 4 * font_size_1;
4543     int text_size_4 = 5 * font_size_4;
4544     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4545     int dx1 = 0;
4546     int dx3 = text_size_1;
4547     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4548     int num_dots = (dx4 - dx3) / font_size_3;
4549     int startx1 = startx + dx1;
4550     int startx3 = startx + dx3;
4551     int startx4 = startx + dx4;
4552     int pos = node->pos;
4553     char *pos_text = getHallOfFameRankText(pos, 3);
4554     int i;
4555
4556     DrawText(startx1, starty, pos_text, font_nr1);
4557
4558     for (i = 0; i < num_dots; i++)
4559       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4560
4561     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4562       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4563
4564     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4565   }
4566   else
4567   {
4568     strncpy(buffer, node->name, max_buffer_len);
4569     buffer[max_buffer_len] = '\0';
4570
4571     DrawText(startx, starty, buffer, font_nr);
4572   }
4573 }
4574
4575 static void drawChooseTreeHeadExt(int type, char *title_string)
4576 {
4577   int yoffset_sets = MENU_TITLE1_YPOS;
4578   int yoffset_setup = 16;
4579   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4580                  type == TREE_TYPE_LEVEL_DIR ||
4581                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4582
4583   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4584 }
4585
4586 static void drawChooseTreeHead(TreeInfo *ti)
4587 {
4588   drawChooseTreeHeadExt(ti->type, ti->infotext);
4589 }
4590
4591 static void drawChooseTreeList(TreeInfo *ti)
4592 {
4593   int first_entry = ti->cl_first;
4594   int num_entries = numTreeInfoInGroup(ti);
4595   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4596   int i;
4597
4598   clearMenuListArea();
4599
4600   for (i = 0; i < num_page_entries; i++)
4601   {
4602     TreeInfo *node, *node_first;
4603     int entry_pos = first_entry + i;
4604
4605     node_first = getTreeInfoFirstGroupEntry(ti);
4606     node = getTreeInfoFromPos(node_first, entry_pos);
4607
4608     drawChooseTreeText(ti, i, FALSE);
4609
4610     if (node->parent_link)
4611       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4612     else if (node->level_group)
4613       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4614     else
4615       initCursor(i, IMG_MENU_BUTTON);
4616
4617     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4618       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4619
4620     if (game_status == GAME_MODE_NAMES)
4621       drawChooseTreeEdit(i, FALSE);
4622   }
4623
4624   redraw_mask |= REDRAW_FIELD;
4625 }
4626
4627 static void drawChooseTreeInfo(TreeInfo *ti)
4628 {
4629   int entry_pos = ti->cl_first + ti->cl_cursor;
4630   int last_redraw_mask = redraw_mask;
4631   int ypos = MENU_TITLE2_YPOS;
4632   int font_nr = FONT_TITLE_2;
4633   int x;
4634
4635   if (ti->type == TREE_TYPE_LEVEL_NR)
4636     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4637
4638   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4639     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4640                       scores.last_level_nr);
4641
4642   if (ti->type != TREE_TYPE_LEVEL_DIR)
4643     return;
4644
4645   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4646   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4647
4648   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4649
4650   if (node->parent_link)
4651     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4652                       node->node_parent->name);
4653   else if (node->level_group)
4654     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4655                       node->name);
4656   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4657     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4658                       node->levels, (node->levels > 1 ? "levels" : "level"),
4659                       node->class_desc);
4660
4661   // let BackToFront() redraw only what is needed
4662   redraw_mask = last_redraw_mask;
4663   for (x = 0; x < SCR_FIELDX; x++)
4664     MarkTileDirty(x, 1);
4665 }
4666
4667 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4668 {
4669   drawChooseTreeCursor(ti->cl_cursor, active);
4670   drawChooseTreeText(ti, ti->cl_cursor, active);
4671 }
4672
4673 static void drawChooseTreeScreen(TreeInfo *ti)
4674 {
4675   drawChooseTreeHead(ti);
4676   drawChooseTreeList(ti);
4677   drawChooseTreeInfo(ti);
4678   drawChooseTreeCursorAndText(ti, TRUE);
4679
4680   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4681
4682   // scroll bar and buttons may just have been added after reloading scores
4683   if (game_status == GAME_MODE_SCORES)
4684     MapScreenTreeGadgets(ti);
4685 }
4686
4687 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4688 {
4689   int score_pos = scores.last_added;
4690
4691   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4692     score_pos = scores.last_entry_nr;
4693
4694   // set current tree entry to last added score entry
4695   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4696
4697   // if that fails, set current tree entry to first entry (back link)
4698   if (*ti_ptr == NULL)
4699     *ti_ptr = score_entries->node_group;
4700
4701   int num_entries = numTreeInfoInGroup(*ti_ptr);
4702   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4703   int pos_score = getPosFromTreeInfo(*ti_ptr);
4704   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4705   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4706
4707   (*ti_ptr)->cl_first = pos_first;
4708   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4709
4710   return *ti_ptr;
4711 }
4712
4713 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4714                              TreeInfo **ti_ptr)
4715 {
4716   TreeInfo *ti = *ti_ptr;
4717   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4718   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4719   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4720   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4721   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4722   int x = 0;
4723   int y = (ti != NULL ? ti->cl_cursor : 0);
4724   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4725   int num_entries = numTreeInfoInGroup(ti);
4726   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4727   boolean position_set_by_scrollbar = (dx == 999);
4728
4729   if (game_status == GAME_MODE_SCORES)
4730   {
4731     if (server_scores.updated)
4732     {
4733       // reload scores, using updated server score cache file
4734       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4735
4736       server_scores.updated = FALSE;
4737
4738       DrawHallOfFame_setScoreEntries();
4739
4740       ti = setHallOfFameActiveEntry(ti_ptr);
4741
4742       if (button != MB_MENU_INITIALIZE)
4743         drawChooseTreeScreen(ti);
4744     }
4745   }
4746
4747   if (button == MB_MENU_INITIALIZE)
4748   {
4749     int num_entries = numTreeInfoInGroup(ti);
4750     int entry_pos = getPosFromTreeInfo(ti);
4751
4752     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4753     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4754
4755     if (game_status == GAME_MODE_SCORES)
4756     {
4757       ti = setHallOfFameActiveEntry(ti_ptr);
4758     }
4759     else if (ti->cl_first == -1)
4760     {
4761       // only on initialization
4762       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4763       ti->cl_cursor = entry_pos - ti->cl_first;
4764
4765     }
4766     else if (ti->cl_cursor >= num_page_entries ||
4767              (num_entries > num_page_entries &&
4768               num_entries - ti->cl_first < num_page_entries))
4769     {
4770       // only after change of list size (by custom graphic configuration)
4771       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4772       ti->cl_cursor = entry_pos - ti->cl_first;
4773     }
4774
4775     if (position_set_by_scrollbar)
4776       ti->cl_first = dy;
4777
4778     drawChooseTreeScreen(ti);
4779
4780     return;
4781   }
4782   else if (button == MB_MENU_LEAVE)
4783   {
4784     if (game_status != GAME_MODE_SCORES)
4785       FadeSetLeaveMenu();
4786
4787     PlaySound(SND_MENU_ITEM_SELECTING);
4788
4789     if (ti->node_parent)
4790     {
4791       *ti_ptr = ti->node_parent;
4792       DrawChooseTree(ti_ptr);
4793     }
4794     else if (game_status == GAME_MODE_SETUP)
4795     {
4796       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4797           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4798           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4799           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4800         execSetupGame();
4801       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4802                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4803                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4804                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4805         execSetupGraphics();
4806       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4807                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4808                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4809         execSetupSound();
4810       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4811                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4812                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4813                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4814                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4815                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4816                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4817                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4818         execSetupTouch();
4819       else
4820         execSetupArtwork();
4821     }
4822     else
4823     {
4824       if (game_status == GAME_MODE_LEVELNR)
4825       {
4826         int new_level_nr = atoi(level_number_current->identifier);
4827
4828         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4829       }
4830
4831       SetGameStatus(GAME_MODE_MAIN);
4832
4833       DrawMainMenu();
4834     }
4835
4836     return;
4837   }
4838
4839 #if defined(PLATFORM_ANDROID)
4840   // directly continue when touching the screen after playing
4841   if ((mx || my) && scores.continue_on_return)
4842   {
4843     // ignore touch events until released
4844     mx = my = 0;
4845   }
4846 #endif
4847
4848   // any mouse click or cursor key stops leaving scores by "Return" key
4849   if ((mx || my || dx || dy) && scores.continue_on_return)
4850   {
4851     scores.continue_on_return = FALSE;
4852     level_nr = scores.last_level_nr;
4853     LoadLevel(level_nr);
4854   }
4855
4856   if (mx || my)         // mouse input
4857   {
4858     x = (mx - amSX) / 32;
4859     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4860
4861     if (game_status == GAME_MODE_NAMES)
4862       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4863   }
4864   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4865   {
4866     // move cursor instead of scrolling when already at start/end of list
4867     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4868       dy = -1;
4869     else if (dy == +1 * SCROLL_LINE &&
4870              ti->cl_first + num_page_entries == num_entries)
4871       dy = 1;
4872
4873     // handle scrolling screen one line or page
4874     if (ti->cl_cursor + dy < 0 ||
4875         ti->cl_cursor + dy > num_page_entries - 1)
4876     {
4877       boolean redraw = FALSE;
4878
4879       if (ABS(dy) == SCROLL_PAGE)
4880         step = num_page_entries - 1;
4881
4882       if (dy < 0 && ti->cl_first > 0)
4883       {
4884         // scroll page/line up
4885
4886         ti->cl_first -= step;
4887         if (ti->cl_first < 0)
4888           ti->cl_first = 0;
4889
4890         redraw = TRUE;
4891       }
4892       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4893       {
4894         // scroll page/line down
4895
4896         ti->cl_first += step;
4897         if (ti->cl_first + num_page_entries > num_entries)
4898           ti->cl_first = MAX(0, num_entries - num_page_entries);
4899
4900         redraw = TRUE;
4901       }
4902
4903       if (redraw)
4904         drawChooseTreeScreen(ti);
4905
4906       return;
4907     }
4908
4909     // handle moving cursor one line
4910     y = ti->cl_cursor + dy;
4911   }
4912
4913   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4914   {
4915     HandleHallOfFame_SelectLevel(1, dx);
4916
4917     return;
4918   }
4919   else if (dx == 1)
4920   {
4921     TreeInfo *node_first, *node_cursor;
4922     int entry_pos = ti->cl_first + y;
4923
4924     node_first = getTreeInfoFirstGroupEntry(ti);
4925     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4926
4927     if (node_cursor->node_group)
4928     {
4929       FadeSetEnterMenu();
4930
4931       PlaySound(SND_MENU_ITEM_SELECTING);
4932
4933       node_cursor->cl_first = ti->cl_first;
4934       node_cursor->cl_cursor = ti->cl_cursor;
4935
4936       *ti_ptr = node_cursor->node_group;
4937       DrawChooseTree(ti_ptr);
4938
4939       return;
4940     }
4941   }
4942   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
4943   {
4944     if (game_status != GAME_MODE_SCORES)
4945       FadeSetLeaveMenu();
4946
4947     PlaySound(SND_MENU_ITEM_SELECTING);
4948
4949     *ti_ptr = ti->node_parent;
4950     DrawChooseTree(ti_ptr);
4951
4952     return;
4953   }
4954
4955   if (!anyScrollbarGadgetActive() &&
4956       IN_VIS_MENU(x, y) &&
4957       mx < mx_right_border &&
4958       y >= 0 && y < num_page_entries)
4959   {
4960     if (button)
4961     {
4962       if (game_status == GAME_MODE_NAMES)
4963       {
4964         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4965           drawChooseTreeEdit(y, TRUE);
4966       }
4967
4968       if (y != ti->cl_cursor)
4969       {
4970         PlaySound(SND_MENU_ITEM_ACTIVATING);
4971
4972         drawChooseTreeCursorAndText(ti, FALSE);
4973
4974         ti->cl_cursor = y;
4975
4976         drawChooseTreeCursorAndText(ti, TRUE);
4977
4978         drawChooseTreeInfo(ti);
4979       }
4980       else if (dx < 0)
4981       {
4982         if (game_status == GAME_MODE_SETUP)
4983         {
4984           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4985               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4986               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4987               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4988             execSetupGame();
4989           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4990                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4991                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4992                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4993             execSetupGraphics();
4994           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4995                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4996                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4997             execSetupSound();
4998           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4999                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5000                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5001                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5002                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5003                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5004                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5005                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5006             execSetupTouch();
5007           else
5008             execSetupArtwork();
5009         }
5010       }
5011     }
5012     else
5013     {
5014       TreeInfo *node_first, *node_cursor;
5015       int entry_pos = ti->cl_first + y;
5016
5017       PlaySound(SND_MENU_ITEM_SELECTING);
5018
5019       node_first = getTreeInfoFirstGroupEntry(ti);
5020       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5021
5022       if (node_cursor->node_group)
5023       {
5024         FadeSetEnterMenu();
5025
5026         node_cursor->cl_first = ti->cl_first;
5027         node_cursor->cl_cursor = ti->cl_cursor;
5028
5029         *ti_ptr = node_cursor->node_group;
5030         DrawChooseTree(ti_ptr);
5031       }
5032       else if (node_cursor->parent_link)
5033       {
5034         if (game_status != GAME_MODE_SCORES)
5035           FadeSetLeaveMenu();
5036
5037         *ti_ptr = node_cursor->node_parent;
5038         DrawChooseTree(ti_ptr);
5039       }
5040       else
5041       {
5042         if (game_status != GAME_MODE_SCORES)
5043           FadeSetEnterMenu();
5044
5045         node_cursor->cl_first = ti->cl_first;
5046         node_cursor->cl_cursor = ti->cl_cursor;
5047
5048         *ti_ptr = node_cursor;
5049
5050         if (ti->type == TREE_TYPE_LEVEL_DIR)
5051         {
5052           LoadLevelSetup_SeriesInfo();
5053
5054           SaveLevelSetup_LastSeries();
5055           SaveLevelSetup_SeriesInfo();
5056           TapeErase();
5057         }
5058
5059         if (game_status == GAME_MODE_SETUP)
5060         {
5061           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5062               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5063               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5064               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5065             execSetupGame();
5066           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5067                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5068                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5069                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5070             execSetupGraphics();
5071           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5072                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5073                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5074             execSetupSound();
5075           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5076                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5077                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5078                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5079                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5080                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5081                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5082                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5083             execSetupTouch();
5084           else
5085             execSetupArtwork();
5086         }
5087         else
5088         {
5089           if (game_status == GAME_MODE_LEVELNR)
5090           {
5091             int new_level_nr = atoi(level_number_current->identifier);
5092
5093             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5094           }
5095           else if (game_status == GAME_MODE_LEVELS)
5096           {
5097             // store level set if chosen from "last played level set" menu
5098             StoreLastPlayedLevels(leveldir_current);
5099           }
5100           else if (game_status == GAME_MODE_NAMES)
5101           {
5102             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5103             {
5104               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5105
5106               DrawTypeName();
5107
5108               return;
5109             }
5110
5111             // change active user to selected user
5112             user.nr = entry_pos;
5113
5114             // save number of new active user
5115             SaveUserSetup();
5116
5117             // load setup of new active user
5118             LoadSetup();
5119
5120             // load last level set of new active user
5121             LoadLevelSetup_LastSeries();
5122             LoadLevelSetup_SeriesInfo();
5123
5124             // update list of last played level sets
5125             UpdateLastPlayedLevels_TreeInfo();
5126
5127             TapeErase();
5128
5129             ToggleFullscreenIfNeeded();
5130             ChangeWindowScalingIfNeeded();
5131
5132             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5133             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5134             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5135           }
5136           else if (game_status == GAME_MODE_SCORES)
5137           {
5138             if (scores.continue_playing && scores.continue_on_return)
5139             {
5140               StartPlayingFromHallOfFame();
5141
5142               return;
5143             }
5144             else if (!scores.continue_on_return)
5145             {
5146               SetGameStatus(GAME_MODE_SCOREINFO);
5147
5148               DrawScoreInfo(node_cursor->pos);
5149
5150               return;
5151             }
5152           }
5153
5154           SetGameStatus(GAME_MODE_MAIN);
5155
5156           DrawMainMenu();
5157         }
5158       }
5159     }
5160   }
5161
5162   if (game_status == GAME_MODE_SCORES)
5163     PlayMenuSoundIfLoop();
5164 }
5165
5166 void DrawChoosePlayerName(void)
5167 {
5168   int i;
5169
5170   if (player_name != NULL)
5171   {
5172     freeTreeInfo(player_name);
5173
5174     player_name = NULL;
5175   }
5176
5177   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5178   {
5179     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5180     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5181     int value = i;
5182
5183     ti->node_top = &player_name;
5184     ti->sort_priority = 10000 + value;
5185     ti->color = getPlayerNameColor(global.user_names[i]);
5186
5187     snprintf(identifier, sizeof(identifier), "%d", value);
5188     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5189
5190     setString(&ti->identifier, identifier);
5191     setString(&ti->name, name);
5192     setString(&ti->name_sorting, name);
5193
5194     pushTreeInfo(&player_name, ti);
5195   }
5196
5197   // sort player entries by player number
5198   sortTreeInfo(&player_name);
5199
5200   // set current player entry to selected player entry
5201   player_name_current =
5202     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5203
5204   // if that fails, set current player name to first available name
5205   if (player_name_current == NULL)
5206     player_name_current = player_name;
5207
5208   // set text size for main name input (also used on name selection screen)
5209   InitializeMainControls();
5210
5211   DrawChooseTree(&player_name_current);
5212 }
5213
5214 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5215 {
5216   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5217 }
5218
5219 void DrawChooseLevelSet(void)
5220 {
5221   DrawChooseTree(&leveldir_current);
5222 }
5223
5224 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5225 {
5226   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5227 }
5228
5229 void DrawChooseLevelNr(void)
5230 {
5231   int i;
5232
5233   if (level_number != NULL)
5234   {
5235     freeTreeInfo(level_number);
5236
5237     level_number = NULL;
5238   }
5239
5240   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5241   {
5242     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5243     char identifier[32], name[64];
5244     int value = i;
5245
5246     // temporarily load level info to get level name
5247     LoadLevelInfoOnly(i);
5248
5249     ti->node_top = &level_number;
5250     ti->sort_priority = 10000 + value;
5251     ti->color = (level.no_level_file ? FC_BLUE :
5252                  LevelStats_getSolved(i) ? FC_GREEN :
5253                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5254
5255     snprintf(identifier, sizeof(identifier), "%d", value);
5256     snprintf(name, sizeof(name), "%03d: %s", value,
5257              (level.no_level_file ? "(no file)" : level.name));
5258
5259     setString(&ti->identifier, identifier);
5260     setString(&ti->name, name);
5261     setString(&ti->name_sorting, name);
5262
5263     pushTreeInfo(&level_number, ti);
5264   }
5265
5266   // sort level number values to start with lowest level number
5267   sortTreeInfo(&level_number);
5268
5269   // set current level number to current level number
5270   level_number_current =
5271     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5272
5273   // if that also fails, set current level number to first available level
5274   if (level_number_current == NULL)
5275     level_number_current = level_number;
5276
5277   DrawChooseTree(&level_number_current);
5278 }
5279
5280 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5281 {
5282   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5283 }
5284
5285 static void DrawHallOfFame_setScoreEntries(void)
5286 {
5287   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5288   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5289   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5290   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5291   int i;
5292
5293   if (score_entries != NULL)
5294   {
5295     freeTreeInfo(score_entries);
5296
5297     score_entries = NULL;
5298   }
5299
5300   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5301   {
5302     // do not add empty score entries if off-screen
5303     if (scores.entry[i].score == 0 &&
5304         scores.entry[i].time == 0 &&
5305         i >= min_score_entries)
5306       break;
5307
5308     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5309     char identifier[32], name[64];
5310     int value = i;
5311
5312     ti->node_top = &score_entries;
5313     ti->sort_priority = 10000 + value;
5314     ti->color = FC_YELLOW;
5315     ti->pos = i;
5316
5317     snprintf(identifier, sizeof(identifier), "%d", value);
5318     snprintf(name, sizeof(name), "%03d.", value + 1);
5319
5320     setString(&ti->identifier, identifier);
5321     setString(&ti->name, name);
5322     setString(&ti->name_sorting, name);
5323
5324     pushTreeInfo(&score_entries, ti);
5325   }
5326
5327   // sort score entries to start with highest score entry
5328   sortTreeInfo(&score_entries);
5329
5330   // add top tree node to create back link to main menu
5331   score_entries = addTopTreeInfoNode(score_entries);
5332
5333   // set current score entry to last added or highest score entry
5334   score_entry_current =
5335     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5336
5337   // if that fails, set current score entry to first valid score entry
5338   if (score_entry_current == NULL)
5339     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5340
5341   if (score_entries != NULL && scores.continue_playing)
5342     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5343 }
5344
5345 void DrawHallOfFame(int nr)
5346 {
5347   scores.last_level_nr = nr;
5348
5349   // (this is needed when called from GameEnd() after winning a game)
5350   KeyboardAutoRepeatOn();
5351
5352   // (this is needed when called from GameEnd() after winning a game)
5353   SetDrawDeactivationMask(REDRAW_NONE);
5354   SetDrawBackgroundMask(REDRAW_FIELD);
5355
5356   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5357
5358   DrawHallOfFame_setScoreEntries();
5359
5360   if (scores.last_added >= 0)
5361     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5362
5363   FadeSetEnterScreen();
5364
5365   DrawChooseTree(&score_entry_current);
5366 }
5367
5368 static char *getHallOfFameRankText(int nr, int size)
5369 {
5370   static char rank_text[10];
5371   boolean forced = (scores.force_last_added && nr == scores.last_added);
5372   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5373
5374   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5375
5376   return rank_text;
5377 }
5378
5379 static char *getHallOfFameTimeText(int nr)
5380 {
5381   static char score_text[10];
5382   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5383   int mm = (time_seconds / 60) % 60;
5384   int ss = (time_seconds % 60);
5385
5386   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5387
5388   return score_text;
5389 }
5390
5391 static char *getHallOfFameScoreText(int nr, int size)
5392 {
5393   if (!level.rate_time_over_score)
5394     return int2str(scores.entry[nr].score, size);       // show normal score
5395   else if (level.use_step_counter)
5396     return int2str(scores.entry[nr].time, size);        // show number of steps
5397   else
5398     return getHallOfFameTimeText(nr);                   // show playing time
5399 }
5400
5401 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5402 {
5403   static char tape_date[MAX_ISO_DATE_LEN + 1];
5404   int i, j;
5405
5406   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5407       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5408     return entry->tape_date;
5409
5410   for (i = 0, j = 0; i < 8; i++, j++)
5411   {
5412     tape_date[j] = entry->tape_basename[i];
5413
5414     if (i == 3 || i == 5)
5415       tape_date[++j] = '-';
5416   }
5417
5418   tape_date[MAX_ISO_DATE_LEN] = '\0';
5419
5420   return tape_date;
5421 }
5422
5423 static void HandleHallOfFame_SelectLevel(int step, int direction)
5424 {
5425   int old_level_nr = scores.last_level_nr;
5426   int new_level_nr = old_level_nr + step * direction;
5427
5428   if (new_level_nr < leveldir_current->first_level)
5429     new_level_nr = leveldir_current->first_level;
5430   if (new_level_nr > leveldir_current->last_level)
5431     new_level_nr = leveldir_current->last_level;
5432
5433   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5434     new_level_nr = leveldir_current->handicap_level;
5435
5436   if (new_level_nr != old_level_nr)
5437   {
5438     PlaySound(SND_MENU_ITEM_SELECTING);
5439
5440     scores.last_level_nr = level_nr = new_level_nr;
5441     scores.last_entry_nr = 0;
5442
5443     LoadLevel(level_nr);
5444     LoadLocalAndServerScore(level_nr, TRUE);
5445
5446     DrawHallOfFame_setScoreEntries();
5447
5448     if (game_status == GAME_MODE_SCORES)
5449     {
5450       // force remapping optional gadgets (especially scroll bar)
5451       UnmapScreenTreeGadgets();
5452
5453       // redraw complete high score screen, as sub-title has changed
5454       ClearField();
5455
5456       // redraw level selection buttons (which have just been erased)
5457       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5458
5459       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5460     }
5461     else
5462     {
5463       DrawScoreInfo_Content(scores.last_entry_nr);
5464     }
5465
5466     SaveLevelSetup_SeriesInfo();
5467   }
5468 }
5469
5470 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5471 {
5472   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5473 }
5474
5475 static void DrawScoreInfo_Content(int entry_nr)
5476 {
5477   struct ScoreEntry *entry = &scores.entry[entry_nr];
5478   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5479   char *tape_date = getHallOfFameTapeDateText(entry);
5480   int font_head  = MENU_INFO_FONT_HEAD;
5481   int font_text  = MENU_INFO_FONT_TEXT;
5482   int font_foot  = MENU_INFO_FONT_FOOT;
5483   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5484   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5485   int xstep = getFontWidth(font_text);
5486   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5487   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5488   int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
5489   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5490   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5491   int xstart1 = xstart + xstep;
5492   int xstart2 = xstart + xstep * 12;
5493   int select_x = SX + xstart1;
5494   int select_y1, select_y2;
5495   int play_x, play_y;
5496   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5497   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5498   int font_width = getFontWidth(font_text);
5499   int font_height = getFontHeight(font_text);
5500   int tape_date_width  = getTextWidth(tape_date, font_text);
5501   int pad_left = xstart2;
5502   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5503   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5504   int max_lines_per_text = 5;
5505   int lines;
5506
5507   ClearField();
5508
5509   // redraw level selection buttons (which have just been erased)
5510   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5511
5512   drawChooseTreeHead(score_entries);
5513   drawChooseTreeInfo(score_entries);
5514
5515   DrawTextF(xstart1, ystart, font_head, "Level Set");
5516   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5517                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5518                           TRUE, FALSE, FALSE);
5519   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5520
5521   DrawTextF(xstart1, ystart, font_head, "Level");
5522   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5523                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5524                           TRUE, FALSE, FALSE);
5525   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5526
5527   select_y1 = SY + ystart;
5528   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5529
5530   DrawTextF(xstart1, ystart, font_head, "Rank");
5531   DrawTextF(xstart2, ystart, font_text, pos_text);
5532   ystart += ystep_line;
5533
5534   DrawTextF(xstart1, ystart, font_head, "Player");
5535   DrawTextF(xstart2, ystart, font_text, entry->name);
5536   ystart += ystep_line;
5537
5538   if (level.use_step_counter)
5539   {
5540     DrawTextF(xstart1, ystart, font_head, "Steps");
5541     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5542     ystart += ystep_line;
5543   }
5544   else
5545   {
5546     DrawTextF(xstart1, ystart, font_head, "Time");
5547     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5548     ystart += ystep_line;
5549   }
5550
5551   if (!level.rate_time_over_score || entry->score > 0)
5552   {
5553     DrawTextF(xstart1, ystart, font_head, "Score");
5554     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5555     ystart += ystep_line;
5556   }
5557
5558   ystart += ystep_line;
5559
5560   play_x = SX + xstart2 + tape_date_width + font_width;
5561   play_y = SY + ystart + (font_height - play_height) / 2;
5562
5563   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5564   DrawTextF(xstart2, ystart, font_text, tape_date);
5565   ystart += ystep_line;
5566
5567   DrawTextF(xstart1, ystart, font_head, "Platform");
5568   DrawTextF(xstart2, ystart, font_text, entry->platform);
5569   ystart += ystep_line;
5570
5571   DrawTextF(xstart1, ystart, font_head, "Version");
5572   DrawTextF(xstart2, ystart, font_text, entry->version);
5573   ystart += ystep_line;
5574
5575   DrawTextF(xstart1, ystart, font_head, "Country");
5576   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5577                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5578                           TRUE, FALSE, FALSE);
5579   ystart += ystep_line;
5580
5581   select_y2 = SY + ystart;
5582
5583   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5584
5585   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5586   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5587 }
5588
5589 static void DrawScoreInfo(int entry_nr)
5590 {
5591   scores.last_entry_nr = entry_nr;
5592   score_info_tape_play = FALSE;
5593
5594   UnmapAllGadgets();
5595
5596   FreeScreenGadgets();
5597   CreateScreenGadgets();
5598
5599   FadeOut(REDRAW_FIELD);
5600
5601   // needed if different viewport properties defined after playing score tape
5602   ChangeViewportPropertiesIfNeeded();
5603
5604   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5605   SetDrawDeactivationMask(REDRAW_NONE);
5606   SetDrawBackgroundMask(REDRAW_FIELD);
5607
5608   // needed if different background image defined after playing score tape
5609   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5610   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5611
5612   // special compatibility handling for "Snake Bite" graphics set
5613   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5614     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5615                    gfx.full_sxsize, gfx.full_sysize - 64);
5616
5617   DrawScoreInfo_Content(entry_nr);
5618
5619   // map gadgets for score info screen
5620   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5621
5622   FadeIn(REDRAW_FIELD);
5623 }
5624
5625 static void HandleScoreInfo_SelectScore(int step, int direction)
5626 {
5627   int old_entry_nr = scores.last_entry_nr;
5628   int new_entry_nr = old_entry_nr + step * direction;
5629   int num_nodes = numTreeInfoInGroup(score_entry_current);
5630   int num_entries = num_nodes - 1;      // score nodes only, without back link
5631
5632   if (new_entry_nr < 0)
5633     new_entry_nr = 0;
5634   if (new_entry_nr > num_entries - 1)
5635     new_entry_nr = num_entries - 1;
5636
5637   if (new_entry_nr != old_entry_nr)
5638   {
5639     scores.last_entry_nr = new_entry_nr;
5640
5641     DrawScoreInfo_Content(new_entry_nr);
5642   }
5643 }
5644
5645 static void HandleScoreInfo_PlayTape(void)
5646 {
5647   if (!PlayScoreTape(scores.last_entry_nr))
5648   {
5649     DrawScoreInfo_Content(scores.last_entry_nr);
5650
5651     FadeIn(REDRAW_FIELD);
5652   }
5653 }
5654
5655 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5656 {
5657   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5658   boolean button_is_valid = (mx >= 0 && my >= 0);
5659   boolean button_screen_clicked = (button_action && button_is_valid);
5660
5661   if (server_scores.updated)
5662   {
5663     // reload scores, using updated server score cache file
5664     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5665
5666     server_scores.updated = FALSE;
5667
5668     DrawHallOfFame_setScoreEntries();
5669
5670     DrawScoreInfo_Content(scores.last_entry_nr);
5671   }
5672
5673   if (button_screen_clicked)
5674   {
5675     PlaySound(SND_MENU_ITEM_SELECTING);
5676
5677     SetGameStatus(GAME_MODE_SCORES);
5678
5679     DrawHallOfFame(scores.last_level_nr);
5680   }
5681   else if (dx)
5682   {
5683     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5684   }
5685   else if (dy)
5686   {
5687     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5688   }
5689 }
5690
5691
5692 // ============================================================================
5693 // setup screen functions
5694 // ============================================================================
5695
5696 static struct TokenInfo *setup_info;
5697 static int num_setup_info;      // number of setup entries shown on screen
5698 static int max_setup_info;      // total number of setup entries in list
5699
5700 static char *window_size_text;
5701 static char *scaling_type_text;
5702 static char *rendering_mode_text;
5703 static char *vsync_mode_text;
5704 static char *scroll_delay_text;
5705 static char *snapshot_mode_text;
5706 static char *game_speed_text;
5707 static char *scores_type_text;
5708 static char *network_server_text;
5709 static char *graphics_set_name;
5710 static char *sounds_set_name;
5711 static char *music_set_name;
5712 static char *volume_simple_text;
5713 static char *volume_loops_text;
5714 static char *volume_music_text;
5715 static char *touch_controls_text;
5716 static char *move_distance_text;
5717 static char *drop_distance_text;
5718 static char *transparency_text;
5719 static char *grid_size_text[2][2];
5720
5721 static void execSetupMain(void)
5722 {
5723   setup_mode = SETUP_MODE_MAIN;
5724
5725   DrawSetupScreen();
5726 }
5727
5728 static void execSetupGame_setScoresType(void)
5729 {
5730   if (scores_types == NULL)
5731   {
5732     int i;
5733
5734     for (i = 0; scores_types_list[i].value != NULL; i++)
5735     {
5736       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5737       char identifier[32], name[32];
5738       char *value = scores_types_list[i].value;
5739       char *text = scores_types_list[i].text;
5740
5741       ti->node_top = &scores_types;
5742       ti->sort_priority = i;
5743
5744       sprintf(identifier, "%s", value);
5745       sprintf(name, "%s", text);
5746
5747       setString(&ti->identifier, identifier);
5748       setString(&ti->name, name);
5749       setString(&ti->name_sorting, name);
5750       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5751
5752       pushTreeInfo(&scores_types, ti);
5753     }
5754
5755     // sort scores type values to start with lowest scores type value
5756     sortTreeInfo(&scores_types);
5757
5758     // set current scores type value to configured scores type value
5759     scores_type_current =
5760       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5761
5762     // if that fails, set current scores type to reliable default value
5763     if (scores_type_current == NULL)
5764       scores_type_current =
5765         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5766
5767     // if that also fails, set current scores type to first available value
5768     if (scores_type_current == NULL)
5769       scores_type_current = scores_types;
5770   }
5771
5772   setup.scores_in_highscore_list = scores_type_current->identifier;
5773
5774   // needed for displaying scores type text instead of identifier
5775   scores_type_text = scores_type_current->name;
5776 }
5777
5778 static void execSetupGame_setGameSpeeds(boolean update_value)
5779 {
5780   if (setup.game_speed_extended)
5781   {
5782     game_speeds_list = game_speeds_list_extended;
5783     game_speeds      = game_speeds_extended;
5784   }
5785   else
5786   {
5787     game_speeds_list = game_speeds_list_normal;
5788     game_speeds      = game_speeds_normal;
5789   }
5790
5791   if (game_speeds == NULL)
5792   {
5793     int i;
5794
5795     for (i = 0; game_speeds_list[i].value != -1; i++)
5796     {
5797       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5798       char identifier[32], name[32];
5799       int value = game_speeds_list[i].value;
5800       char *text = game_speeds_list[i].text;
5801
5802       ti->node_top = &game_speeds;
5803       ti->sort_priority = 10000 - value;
5804
5805       sprintf(identifier, "%d", value);
5806       sprintf(name, "%s", text);
5807
5808       setString(&ti->identifier, identifier);
5809       setString(&ti->name, name);
5810       setString(&ti->name_sorting, name);
5811       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5812
5813       pushTreeInfo(&game_speeds, ti);
5814     }
5815
5816     // sort game speed values to start with slowest game speed
5817     sortTreeInfo(&game_speeds);
5818
5819     update_value = TRUE;
5820   }
5821
5822   if (update_value)
5823   {
5824     // set current game speed to configured game speed value
5825     game_speed_current =
5826       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5827
5828     // if that fails, set current game speed to reliable default value
5829     if (game_speed_current == NULL)
5830       game_speed_current =
5831         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5832
5833     // if that also fails, set current game speed to first available speed
5834     if (game_speed_current == NULL)
5835       game_speed_current = game_speeds;
5836
5837     if (setup.game_speed_extended)
5838       game_speeds_extended = game_speeds;
5839     else
5840       game_speeds_normal = game_speeds;
5841   }
5842
5843   setup.game_frame_delay = atoi(game_speed_current->identifier);
5844
5845   // needed for displaying game speed text instead of identifier
5846   game_speed_text = game_speed_current->name;
5847 }
5848
5849 static void execSetupGame_setScrollDelays(void)
5850 {
5851   if (scroll_delays == NULL)
5852   {
5853     int i;
5854
5855     for (i = 0; scroll_delays_list[i].value != -1; i++)
5856     {
5857       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5858       char identifier[32], name[32];
5859       int value = scroll_delays_list[i].value;
5860       char *text = scroll_delays_list[i].text;
5861
5862       ti->node_top = &scroll_delays;
5863       ti->sort_priority = value;
5864
5865       sprintf(identifier, "%d", value);
5866       sprintf(name, "%s", text);
5867
5868       setString(&ti->identifier, identifier);
5869       setString(&ti->name, name);
5870       setString(&ti->name_sorting, name);
5871       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5872
5873       pushTreeInfo(&scroll_delays, ti);
5874     }
5875
5876     // sort scroll delay values to start with lowest scroll delay value
5877     sortTreeInfo(&scroll_delays);
5878
5879     // set current scroll delay value to configured scroll delay value
5880     scroll_delay_current =
5881       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5882
5883     // if that fails, set current scroll delay to reliable default value
5884     if (scroll_delay_current == NULL)
5885       scroll_delay_current =
5886         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5887
5888     // if that also fails, set current scroll delay to first available value
5889     if (scroll_delay_current == NULL)
5890       scroll_delay_current = scroll_delays;
5891   }
5892
5893   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5894
5895   // needed for displaying scroll delay text instead of identifier
5896   scroll_delay_text = scroll_delay_current->name;
5897 }
5898
5899 static void execSetupGame_setSnapshotModes(void)
5900 {
5901   if (snapshot_modes == NULL)
5902   {
5903     int i;
5904
5905     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5906     {
5907       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5908       char identifier[32], name[32];
5909       char *value = snapshot_modes_list[i].value;
5910       char *text = snapshot_modes_list[i].text;
5911
5912       ti->node_top = &snapshot_modes;
5913       ti->sort_priority = i;
5914
5915       sprintf(identifier, "%s", value);
5916       sprintf(name, "%s", text);
5917
5918       setString(&ti->identifier, identifier);
5919       setString(&ti->name, name);
5920       setString(&ti->name_sorting, name);
5921       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5922
5923       pushTreeInfo(&snapshot_modes, ti);
5924     }
5925
5926     // sort snapshot mode values to start with lowest snapshot mode value
5927     sortTreeInfo(&snapshot_modes);
5928
5929     // set current snapshot mode value to configured snapshot mode value
5930     snapshot_mode_current =
5931       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5932
5933     // if that fails, set current snapshot mode to reliable default value
5934     if (snapshot_mode_current == NULL)
5935       snapshot_mode_current =
5936         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5937
5938     // if that also fails, set current snapshot mode to first available value
5939     if (snapshot_mode_current == NULL)
5940       snapshot_mode_current = snapshot_modes;
5941   }
5942
5943   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5944
5945   // needed for displaying snapshot mode text instead of identifier
5946   snapshot_mode_text = snapshot_mode_current->name;
5947 }
5948
5949 static void execSetupGame_setNetworkServerText(void)
5950 {
5951   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5952   {
5953     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5954   }
5955   else
5956   {
5957     strncpy(network_server_hostname, setup.network_server_hostname,
5958             MAX_SETUP_TEXT_INPUT_LEN);
5959     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5960   }
5961
5962   // needed for displaying network server text instead of identifier
5963   network_server_text = network_server_hostname;
5964 }
5965
5966 static void execSetupGame(void)
5967 {
5968   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5969
5970   execSetupGame_setGameSpeeds(FALSE);
5971   execSetupGame_setScoresType();
5972   execSetupGame_setScrollDelays();
5973   execSetupGame_setSnapshotModes();
5974
5975   execSetupGame_setNetworkServerText();
5976
5977   if (!setup.provide_uploading_tapes)
5978     setHideSetupEntry(execOfferUploadTapes);
5979
5980   setup_mode = SETUP_MODE_GAME;
5981
5982   DrawSetupScreen();
5983
5984   // check if vsync needs to be disabled for this game speed to work
5985   if (check_vsync_mode)
5986     DisableVsyncIfNeeded();
5987 }
5988
5989 static void execSetupChooseScoresType(void)
5990 {
5991   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
5992
5993   DrawSetupScreen();
5994 }
5995
5996 static void execSetupChooseGameSpeed(void)
5997 {
5998   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5999
6000   DrawSetupScreen();
6001 }
6002
6003 static void execSetupChooseScrollDelay(void)
6004 {
6005   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
6006
6007   DrawSetupScreen();
6008 }
6009
6010 static void execSetupChooseSnapshotMode(void)
6011 {
6012   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6013
6014   DrawSetupScreen();
6015 }
6016
6017 static void execSetupEngines(void)
6018 {
6019   setup_mode = SETUP_MODE_ENGINES;
6020
6021   DrawSetupScreen();
6022 }
6023
6024 static void execSetupEditor(void)
6025 {
6026   setup_mode = SETUP_MODE_EDITOR;
6027
6028   DrawSetupScreen();
6029 }
6030
6031 static void execSetupGraphics_setWindowSizes(boolean update_list)
6032 {
6033   if (window_sizes != NULL && update_list)
6034   {
6035     freeTreeInfo(window_sizes);
6036
6037     window_sizes = NULL;
6038   }
6039
6040   if (window_sizes == NULL)
6041   {
6042     boolean current_window_size_found = FALSE;
6043     int i;
6044
6045     for (i = 0; window_sizes_list[i].value != -1; i++)
6046     {
6047       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6048       char identifier[32], name[32];
6049       int value = window_sizes_list[i].value;
6050       char *text = window_sizes_list[i].text;
6051
6052       ti->node_top = &window_sizes;
6053       ti->sort_priority = value;
6054
6055       sprintf(identifier, "%d", value);
6056       sprintf(name, "%s", text);
6057
6058       setString(&ti->identifier, identifier);
6059       setString(&ti->name, name);
6060       setString(&ti->name_sorting, name);
6061       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6062
6063       pushTreeInfo(&window_sizes, ti);
6064
6065       if (value == setup.window_scaling_percent)
6066         current_window_size_found = TRUE;
6067     }
6068
6069     if (!current_window_size_found)
6070     {
6071       // add entry for non-preset window scaling value
6072
6073       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6074       char identifier[32], name[32];
6075       int value = setup.window_scaling_percent;
6076
6077       ti->node_top = &window_sizes;
6078       ti->sort_priority = value;
6079
6080       sprintf(identifier, "%d", value);
6081       sprintf(name, "%d %% (Current)", value);
6082
6083       setString(&ti->identifier, identifier);
6084       setString(&ti->name, name);
6085       setString(&ti->name_sorting, name);
6086       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6087
6088       pushTreeInfo(&window_sizes, ti);
6089     }
6090
6091     // sort window size values to start with lowest window size value
6092     sortTreeInfo(&window_sizes);
6093
6094     // set current window size value to configured window size value
6095     window_size_current =
6096       getTreeInfoFromIdentifier(window_sizes,
6097                                 i_to_a(setup.window_scaling_percent));
6098
6099     // if that fails, set current window size to reliable default value
6100     if (window_size_current == NULL)
6101       window_size_current =
6102         getTreeInfoFromIdentifier(window_sizes,
6103                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6104
6105     // if that also fails, set current window size to first available value
6106     if (window_size_current == NULL)
6107       window_size_current = window_sizes;
6108   }
6109
6110   setup.window_scaling_percent = atoi(window_size_current->identifier);
6111
6112   // needed for displaying window size text instead of identifier
6113   window_size_text = window_size_current->name;
6114 }
6115
6116 static void execSetupGraphics_setScalingTypes(void)
6117 {
6118   if (scaling_types == NULL)
6119   {
6120     int i;
6121
6122     for (i = 0; scaling_types_list[i].value != NULL; i++)
6123     {
6124       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6125       char identifier[32], name[32];
6126       char *value = scaling_types_list[i].value;
6127       char *text = scaling_types_list[i].text;
6128
6129       ti->node_top = &scaling_types;
6130       ti->sort_priority = i;
6131
6132       sprintf(identifier, "%s", value);
6133       sprintf(name, "%s", text);
6134
6135       setString(&ti->identifier, identifier);
6136       setString(&ti->name, name);
6137       setString(&ti->name_sorting, name);
6138       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6139
6140       pushTreeInfo(&scaling_types, ti);
6141     }
6142
6143     // sort scaling type values to start with lowest scaling type value
6144     sortTreeInfo(&scaling_types);
6145
6146     // set current scaling type value to configured scaling type value
6147     scaling_type_current =
6148       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6149
6150     // if that fails, set current scaling type to reliable default value
6151     if (scaling_type_current == NULL)
6152       scaling_type_current =
6153         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6154
6155     // if that also fails, set current scaling type to first available value
6156     if (scaling_type_current == NULL)
6157       scaling_type_current = scaling_types;
6158   }
6159
6160   setup.window_scaling_quality = scaling_type_current->identifier;
6161
6162   // needed for displaying scaling type text instead of identifier
6163   scaling_type_text = scaling_type_current->name;
6164 }
6165
6166 static void execSetupGraphics_setRenderingModes(void)
6167 {
6168   if (rendering_modes == NULL)
6169   {
6170     int i;
6171
6172     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6173     {
6174       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6175       char identifier[32], name[32];
6176       char *value = rendering_modes_list[i].value;
6177       char *text = rendering_modes_list[i].text;
6178
6179       ti->node_top = &rendering_modes;
6180       ti->sort_priority = i;
6181
6182       sprintf(identifier, "%s", value);
6183       sprintf(name, "%s", text);
6184
6185       setString(&ti->identifier, identifier);
6186       setString(&ti->name, name);
6187       setString(&ti->name_sorting, name);
6188       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6189
6190       pushTreeInfo(&rendering_modes, ti);
6191     }
6192
6193     // sort rendering mode values to start with lowest rendering mode value
6194     sortTreeInfo(&rendering_modes);
6195
6196     // set current rendering mode value to configured rendering mode value
6197     rendering_mode_current =
6198       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6199
6200     // if that fails, set current rendering mode to reliable default value
6201     if (rendering_mode_current == NULL)
6202       rendering_mode_current =
6203         getTreeInfoFromIdentifier(rendering_modes,
6204                                   STR_SPECIAL_RENDERING_DEFAULT);
6205
6206     // if that also fails, set current rendering mode to first available one
6207     if (rendering_mode_current == NULL)
6208       rendering_mode_current = rendering_modes;
6209   }
6210
6211   setup.screen_rendering_mode = rendering_mode_current->identifier;
6212
6213   // needed for displaying rendering mode text instead of identifier
6214   rendering_mode_text = rendering_mode_current->name;
6215 }
6216
6217 static void execSetupGraphics_setVsyncModes(boolean update_value)
6218 {
6219   if (vsync_modes == NULL)
6220   {
6221     int i;
6222
6223     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6224     {
6225       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6226       char identifier[32], name[32];
6227       char *value = vsync_modes_list[i].value;
6228       char *text = vsync_modes_list[i].text;
6229
6230       ti->node_top = &vsync_modes;
6231       ti->sort_priority = i;
6232
6233       sprintf(identifier, "%s", value);
6234       sprintf(name, "%s", text);
6235
6236       setString(&ti->identifier, identifier);
6237       setString(&ti->name, name);
6238       setString(&ti->name_sorting, name);
6239       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6240
6241       pushTreeInfo(&vsync_modes, ti);
6242     }
6243
6244     // sort vsync mode values to start with lowest vsync mode value
6245     sortTreeInfo(&vsync_modes);
6246
6247     update_value = TRUE;
6248   }
6249
6250   if (update_value)
6251   {
6252     // set current vsync mode value to configured vsync mode value
6253     vsync_mode_current =
6254       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6255
6256     // if that fails, set current vsync mode to reliable default value
6257     if (vsync_mode_current == NULL)
6258       vsync_mode_current =
6259         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6260
6261     // if that also fails, set current vsync mode to first available one
6262     if (vsync_mode_current == NULL)
6263       vsync_mode_current = vsync_modes;
6264   }
6265
6266   setup.vsync_mode = vsync_mode_current->identifier;
6267
6268   // needed for displaying vsync mode text instead of identifier
6269   vsync_mode_text = vsync_mode_current->name;
6270 }
6271
6272 static void execSetupGraphics(void)
6273 {
6274   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6275
6276   // update "setup.window_scaling_percent" from list selection
6277   // (in this case, window scaling was changed on setup screen)
6278   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6279     execSetupGraphics_setWindowSizes(FALSE);
6280
6281   // update "setup.vsync_mode" from list selection
6282   // (in this case, vsync mode was changed on setup screen)
6283   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6284     execSetupGraphics_setVsyncModes(FALSE);
6285
6286   // update list selection from "setup.window_scaling_percent"
6287   // (window scaling may have changed by resizing the window)
6288   execSetupGraphics_setWindowSizes(TRUE);
6289
6290   // update list selection from "setup.vsync_mode"
6291   // (vsync_mode may have changed by re-creating the renderer)
6292   execSetupGraphics_setVsyncModes(TRUE);
6293
6294   execSetupGraphics_setScalingTypes();
6295   execSetupGraphics_setRenderingModes();
6296
6297   setup_mode = SETUP_MODE_GRAPHICS;
6298
6299   DrawSetupScreen();
6300
6301   // check if game speed is high enough for 60 Hz vsync to work
6302   if (check_game_speed)
6303     ModifyGameSpeedIfNeeded();
6304
6305   // window scaling may have changed at this point
6306   ChangeWindowScalingIfNeeded();
6307
6308   // window scaling quality may have changed at this point
6309   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6310     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6311
6312   // screen rendering mode may have changed at this point
6313   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6314
6315   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6316   int video_vsync_mode = video.vsync_mode;
6317
6318   // screen vsync mode may have changed at this point
6319   ChangeVsyncModeIfNeeded();
6320
6321   // check if setting vsync mode to selected value failed
6322   if (setup_vsync_mode != video_vsync_mode &&
6323       setup_vsync_mode != video.vsync_mode)
6324   {
6325     // changing vsync mode to selected value failed -- reset displayed value
6326     execSetupGraphics_setVsyncModes(TRUE);
6327
6328     Request("Setting VSync failed!", REQ_CONFIRM);
6329
6330     DrawSetupScreen();
6331   }
6332 }
6333
6334 static void execSetupChooseWindowSize(void)
6335 {
6336   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6337
6338   DrawSetupScreen();
6339 }
6340
6341 static void execSetupChooseScalingType(void)
6342 {
6343   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6344
6345   DrawSetupScreen();
6346 }
6347
6348 static void execSetupChooseRenderingMode(void)
6349 {
6350   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6351
6352   DrawSetupScreen();
6353 }
6354
6355 static void execSetupChooseVsyncMode(void)
6356 {
6357   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6358
6359   DrawSetupScreen();
6360 }
6361
6362 static void execSetupChooseVolumeSimple(void)
6363 {
6364   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6365
6366   DrawSetupScreen();
6367 }
6368
6369 static void execSetupChooseVolumeLoops(void)
6370 {
6371   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6372
6373   DrawSetupScreen();
6374 }
6375
6376 static void execSetupChooseVolumeMusic(void)
6377 {
6378   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6379
6380   DrawSetupScreen();
6381 }
6382
6383 static void execSetupSound(void)
6384 {
6385   if (volumes_simple == NULL)
6386   {
6387     boolean current_volume_simple_found = FALSE;
6388     int i;
6389
6390     for (i = 0; volumes_list[i].value != -1; i++)
6391     {
6392       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6393       char identifier[32], name[32];
6394       int value = volumes_list[i].value;
6395       char *text = volumes_list[i].text;
6396
6397       ti->node_top = &volumes_simple;
6398       ti->sort_priority = value;
6399
6400       sprintf(identifier, "%d", value);
6401       sprintf(name, "%s", text);
6402
6403       setString(&ti->identifier, identifier);
6404       setString(&ti->name, name);
6405       setString(&ti->name_sorting, name);
6406       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6407
6408       pushTreeInfo(&volumes_simple, ti);
6409
6410       if (value == setup.volume_simple)
6411         current_volume_simple_found = TRUE;
6412     }
6413
6414     if (!current_volume_simple_found)
6415     {
6416       // add entry for non-preset volume value
6417
6418       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6419       char identifier[32], name[32];
6420       int value = setup.volume_simple;
6421
6422       ti->node_top = &volumes_simple;
6423       ti->sort_priority = value;
6424
6425       sprintf(identifier, "%d", value);
6426       sprintf(name, "%d %% (Current)", value);
6427
6428       setString(&ti->identifier, identifier);
6429       setString(&ti->name, name);
6430       setString(&ti->name_sorting, name);
6431       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6432
6433       pushTreeInfo(&volumes_simple, ti);
6434     }
6435
6436     // sort volume values to start with lowest volume value
6437     sortTreeInfo(&volumes_simple);
6438
6439     // set current volume value to configured volume value
6440     volume_simple_current =
6441       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6442
6443     // if that fails, set current volume to reliable default value
6444     if (volume_simple_current == NULL)
6445       volume_simple_current =
6446         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6447
6448     // if that also fails, set current volume to first available value
6449     if (volume_simple_current == NULL)
6450       volume_simple_current = volumes_simple;
6451   }
6452
6453   if (volumes_loops == NULL)
6454   {
6455     boolean current_volume_loops_found = FALSE;
6456     int i;
6457
6458     for (i = 0; volumes_list[i].value != -1; i++)
6459     {
6460       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6461       char identifier[32], name[32];
6462       int value = volumes_list[i].value;
6463       char *text = volumes_list[i].text;
6464
6465       ti->node_top = &volumes_loops;
6466       ti->sort_priority = value;
6467
6468       sprintf(identifier, "%d", value);
6469       sprintf(name, "%s", text);
6470
6471       setString(&ti->identifier, identifier);
6472       setString(&ti->name, name);
6473       setString(&ti->name_sorting, name);
6474       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6475
6476       pushTreeInfo(&volumes_loops, ti);
6477
6478       if (value == setup.volume_loops)
6479         current_volume_loops_found = TRUE;
6480     }
6481
6482     if (!current_volume_loops_found)
6483     {
6484       // add entry for non-preset volume value
6485
6486       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6487       char identifier[32], name[32];
6488       int value = setup.volume_loops;
6489
6490       ti->node_top = &volumes_loops;
6491       ti->sort_priority = value;
6492
6493       sprintf(identifier, "%d", value);
6494       sprintf(name, "%d %% (Current)", value);
6495
6496       setString(&ti->identifier, identifier);
6497       setString(&ti->name, name);
6498       setString(&ti->name_sorting, name);
6499       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6500
6501       pushTreeInfo(&volumes_loops, ti);
6502     }
6503
6504     // sort volume values to start with lowest volume value
6505     sortTreeInfo(&volumes_loops);
6506
6507     // set current volume value to configured volume value
6508     volume_loops_current =
6509       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6510
6511     // if that fails, set current volume to reliable default value
6512     if (volume_loops_current == NULL)
6513       volume_loops_current =
6514         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6515
6516     // if that also fails, set current volume to first available value
6517     if (volume_loops_current == NULL)
6518       volume_loops_current = volumes_loops;
6519   }
6520
6521   if (volumes_music == NULL)
6522   {
6523     boolean current_volume_music_found = FALSE;
6524     int i;
6525
6526     for (i = 0; volumes_list[i].value != -1; i++)
6527     {
6528       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6529       char identifier[32], name[32];
6530       int value = volumes_list[i].value;
6531       char *text = volumes_list[i].text;
6532
6533       ti->node_top = &volumes_music;
6534       ti->sort_priority = value;
6535
6536       sprintf(identifier, "%d", value);
6537       sprintf(name, "%s", text);
6538
6539       setString(&ti->identifier, identifier);
6540       setString(&ti->name, name);
6541       setString(&ti->name_sorting, name);
6542       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6543
6544       pushTreeInfo(&volumes_music, ti);
6545
6546       if (value == setup.volume_music)
6547         current_volume_music_found = TRUE;
6548     }
6549
6550     if (!current_volume_music_found)
6551     {
6552       // add entry for non-preset volume value
6553
6554       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6555       char identifier[32], name[32];
6556       int value = setup.volume_music;
6557
6558       ti->node_top = &volumes_music;
6559       ti->sort_priority = value;
6560
6561       sprintf(identifier, "%d", value);
6562       sprintf(name, "%d %% (Current)", value);
6563
6564       setString(&ti->identifier, identifier);
6565       setString(&ti->name, name);
6566       setString(&ti->name_sorting, name);
6567       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6568
6569       pushTreeInfo(&volumes_music, ti);
6570     }
6571
6572     // sort volume values to start with lowest volume value
6573     sortTreeInfo(&volumes_music);
6574
6575     // set current volume value to configured volume value
6576     volume_music_current =
6577       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6578
6579     // if that fails, set current volume to reliable default value
6580     if (volume_music_current == NULL)
6581       volume_music_current =
6582         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6583
6584     // if that also fails, set current volume to first available value
6585     if (volume_music_current == NULL)
6586       volume_music_current = volumes_music;
6587   }
6588
6589   setup.volume_simple = atoi(volume_simple_current->identifier);
6590   setup.volume_loops  = atoi(volume_loops_current->identifier);
6591   setup.volume_music  = atoi(volume_music_current->identifier);
6592
6593   // needed for displaying volume text instead of identifier
6594   volume_simple_text = volume_simple_current->name;
6595   volume_loops_text = volume_loops_current->name;
6596   volume_music_text = volume_music_current->name;
6597
6598   setup_mode = SETUP_MODE_SOUND;
6599
6600   DrawSetupScreen();
6601 }
6602
6603 static void execSetupChooseTouchControls(void)
6604 {
6605   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6606
6607   DrawSetupScreen();
6608 }
6609
6610 static void execSetupChooseMoveDistance(void)
6611 {
6612   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6613
6614   DrawSetupScreen();
6615 }
6616
6617 static void execSetupChooseDropDistance(void)
6618 {
6619   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6620
6621   DrawSetupScreen();
6622 }
6623
6624 static void execSetupChooseTransparency(void)
6625 {
6626   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6627
6628   DrawSetupScreen();
6629 }
6630
6631 static void execSetupChooseGridXSize_0(void)
6632 {
6633   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6634
6635   DrawSetupScreen();
6636 }
6637
6638 static void execSetupChooseGridYSize_0(void)
6639 {
6640   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6641
6642   DrawSetupScreen();
6643 }
6644
6645 static void execSetupChooseGridXSize_1(void)
6646 {
6647   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6648
6649   DrawSetupScreen();
6650 }
6651
6652 static void execSetupChooseGridYSize_1(void)
6653 {
6654   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6655
6656   DrawSetupScreen();
6657 }
6658
6659 static void execSetupConfigureVirtualButtons(void)
6660 {
6661   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6662
6663   ConfigureVirtualButtons();
6664
6665   setup_mode = SETUP_MODE_TOUCH;
6666
6667   DrawSetupScreen();
6668 }
6669
6670 static void execSetupTouch(void)
6671 {
6672   int i, j, k;
6673
6674   if (touch_controls == NULL)
6675   {
6676     for (i = 0; touch_controls_list[i].value != NULL; i++)
6677     {
6678       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6679       char identifier[32], name[32];
6680       char *value = touch_controls_list[i].value;
6681       char *text = touch_controls_list[i].text;
6682
6683       ti->node_top = &touch_controls;
6684       ti->sort_priority = i;
6685
6686       sprintf(identifier, "%s", value);
6687       sprintf(name, "%s", text);
6688
6689       setString(&ti->identifier, identifier);
6690       setString(&ti->name, name);
6691       setString(&ti->name_sorting, name);
6692       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6693
6694       pushTreeInfo(&touch_controls, ti);
6695     }
6696
6697     // sort touch control values to start with lowest touch control value
6698     sortTreeInfo(&touch_controls);
6699
6700     // set current touch control value to configured touch control value
6701     touch_control_current =
6702       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6703
6704     // if that fails, set current touch control to reliable default value
6705     if (touch_control_current == NULL)
6706       touch_control_current =
6707         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6708
6709     // if that also fails, set current touch control to first available value
6710     if (touch_control_current == NULL)
6711       touch_control_current = touch_controls;
6712   }
6713
6714   if (move_distances == NULL)
6715   {
6716     for (i = 0; distances_list[i].value != -1; i++)
6717     {
6718       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6719       char identifier[32], name[32];
6720       int value = distances_list[i].value;
6721       char *text = distances_list[i].text;
6722
6723       ti->node_top = &move_distances;
6724       ti->sort_priority = value;
6725
6726       sprintf(identifier, "%d", value);
6727       sprintf(name, "%s", text);
6728
6729       setString(&ti->identifier, identifier);
6730       setString(&ti->name, name);
6731       setString(&ti->name_sorting, name);
6732       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6733
6734       pushTreeInfo(&move_distances, ti);
6735     }
6736
6737     // sort distance values to start with lowest distance value
6738     sortTreeInfo(&move_distances);
6739
6740     // set current distance value to configured distance value
6741     move_distance_current =
6742       getTreeInfoFromIdentifier(move_distances,
6743                                 i_to_a(setup.touch.move_distance));
6744
6745     // if that fails, set current distance to reliable default value
6746     if (move_distance_current == NULL)
6747       move_distance_current =
6748         getTreeInfoFromIdentifier(move_distances,
6749                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6750
6751     // if that also fails, set current distance to first available value
6752     if (move_distance_current == NULL)
6753       move_distance_current = move_distances;
6754   }
6755
6756   if (drop_distances == NULL)
6757   {
6758     for (i = 0; distances_list[i].value != -1; i++)
6759     {
6760       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6761       char identifier[32], name[32];
6762       int value = distances_list[i].value;
6763       char *text = distances_list[i].text;
6764
6765       ti->node_top = &drop_distances;
6766       ti->sort_priority = value;
6767
6768       sprintf(identifier, "%d", value);
6769       sprintf(name, "%s", text);
6770
6771       setString(&ti->identifier, identifier);
6772       setString(&ti->name, name);
6773       setString(&ti->name_sorting, name);
6774       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6775
6776       pushTreeInfo(&drop_distances, ti);
6777     }
6778
6779     // sort distance values to start with lowest distance value
6780     sortTreeInfo(&drop_distances);
6781
6782     // set current distance value to configured distance value
6783     drop_distance_current =
6784       getTreeInfoFromIdentifier(drop_distances,
6785                                 i_to_a(setup.touch.drop_distance));
6786
6787     // if that fails, set current distance to reliable default value
6788     if (drop_distance_current == NULL)
6789       drop_distance_current =
6790         getTreeInfoFromIdentifier(drop_distances,
6791                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6792
6793     // if that also fails, set current distance to first available value
6794     if (drop_distance_current == NULL)
6795       drop_distance_current = drop_distances;
6796   }
6797
6798   if (transparencies == NULL)
6799   {
6800     for (i = 0; transparencies_list[i].value != -1; i++)
6801     {
6802       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6803       char identifier[32], name[32];
6804       int value = transparencies_list[i].value;
6805       char *text = transparencies_list[i].text;
6806
6807       ti->node_top = &transparencies;
6808       ti->sort_priority = value;
6809
6810       sprintf(identifier, "%d", value);
6811       sprintf(name, "%s", text);
6812
6813       setString(&ti->identifier, identifier);
6814       setString(&ti->name, name);
6815       setString(&ti->name_sorting, name);
6816       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6817
6818       pushTreeInfo(&transparencies, ti);
6819     }
6820
6821     // sort transparency values to start with lowest transparency value
6822     sortTreeInfo(&transparencies);
6823
6824     // set current transparency value to configured transparency value
6825     transparency_current =
6826       getTreeInfoFromIdentifier(transparencies,
6827                                 i_to_a(setup.touch.transparency));
6828
6829     // if that fails, set current transparency to reliable default value
6830     if (transparency_current == NULL)
6831       transparency_current =
6832         getTreeInfoFromIdentifier(transparencies,
6833                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6834
6835     // if that also fails, set current transparency to first available value
6836     if (transparency_current == NULL)
6837       transparency_current = transparencies;
6838   }
6839
6840   for (i = 0; i < 2; i++)
6841   {
6842     for (j = 0; j < 2; j++)
6843     {
6844       if (grid_sizes[i][j] == NULL)
6845       {
6846         for (k = 0; grid_sizes_list[k].value != -1; k++)
6847         {
6848           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6849           char identifier[32], name[32];
6850           int value = grid_sizes_list[k].value;
6851           char *text = grid_sizes_list[k].text;
6852
6853           ti->node_top = &grid_sizes[i][j];
6854           ti->sort_priority = value;
6855
6856           sprintf(identifier, "%d", value);
6857           sprintf(name, "%s", text);
6858
6859           setString(&ti->identifier, identifier);
6860           setString(&ti->name, name);
6861           setString(&ti->name_sorting, name);
6862           setString(&ti->infotext,
6863                     (i == 0 ?
6864                      (j == 0 ?
6865                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6866                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6867                      (j == 0 ?
6868                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6869                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6870
6871           pushTreeInfo(&grid_sizes[i][j], ti);
6872         }
6873
6874         // sort grid size values to start with lowest grid size value
6875         sortTreeInfo(&grid_sizes[i][j]);
6876
6877         // set current grid size value to configured grid size value
6878         grid_size_current[i][j] =
6879           getTreeInfoFromIdentifier(grid_sizes[i][j],
6880                                     i_to_a(j == 0 ?
6881                                            setup.touch.grid_xsize[i] :
6882                                            setup.touch.grid_ysize[i]));
6883
6884         // if that fails, set current grid size to reliable default value
6885         if (grid_size_current[i][j] == NULL)
6886           grid_size_current[i][j] =
6887             getTreeInfoFromIdentifier(grid_sizes[i][j],
6888                                       i_to_a(j == 0 ?
6889                                              DEFAULT_GRID_XSIZE(i) :
6890                                              DEFAULT_GRID_YSIZE(i)));
6891
6892         // if that also fails, set current grid size to first available value
6893         if (grid_size_current[i][j] == NULL)
6894           grid_size_current[i][j] = grid_sizes[i][j];
6895       }
6896     }
6897   }
6898
6899   setup.touch.control_type = touch_control_current->identifier;
6900   setup.touch.move_distance = atoi(move_distance_current->identifier);
6901   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6902   setup.touch.transparency = atoi(transparency_current->identifier);
6903
6904   for (i = 0; i < 2; i++)
6905   {
6906     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6907     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6908
6909     if (i == GRID_ACTIVE_NR())
6910     {
6911       overlay.grid_xsize = setup.touch.grid_xsize[i];
6912       overlay.grid_ysize = setup.touch.grid_ysize[i];
6913     }
6914   }
6915
6916   // needed for displaying value text instead of identifier
6917   touch_controls_text = touch_control_current->name;
6918   move_distance_text = move_distance_current->name;
6919   drop_distance_text = drop_distance_current->name;
6920   transparency_text = transparency_current->name;
6921
6922   for (i = 0; i < 2; i++)
6923     for (j = 0; j < 2; j++)
6924       grid_size_text[i][j] = grid_size_current[i][j]->name;
6925
6926   setup_mode = SETUP_MODE_TOUCH;
6927
6928   DrawSetupScreen();
6929 }
6930
6931 static void execSetupArtwork(void)
6932 {
6933   static ArtworkDirTree *gfx_last_valid = NULL;
6934   static ArtworkDirTree *snd_last_valid = NULL;
6935   static ArtworkDirTree *mus_last_valid = NULL;
6936
6937   // current artwork directory may be invalid (level group, parent link)
6938   if (!validLevelSeries(artwork.gfx_current))
6939     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6940   if (!validLevelSeries(artwork.snd_current))
6941     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6942   if (!validLevelSeries(artwork.mus_current))
6943     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6944
6945   // store valid artwork directory information
6946   gfx_last_valid = artwork.gfx_current;
6947   snd_last_valid = artwork.snd_current;
6948   mus_last_valid = artwork.mus_current;
6949
6950 #if 0
6951   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6952         artwork.gfx_current->subdir,
6953         artwork.gfx_current->fullpath,
6954         artwork.gfx_current->basepath);
6955 #endif
6956
6957   setup.graphics_set = artwork.gfx_current->identifier;
6958   setup.sounds_set = artwork.snd_current->identifier;
6959   setup.music_set = artwork.mus_current->identifier;
6960
6961   // needed if last screen (setup choice) changed graphics, sounds or music
6962   ReloadCustomArtwork(0);
6963
6964   // needed for displaying artwork name instead of artwork identifier
6965   graphics_set_name = artwork.gfx_current->name;
6966   sounds_set_name = artwork.snd_current->name;
6967   music_set_name = artwork.mus_current->name;
6968
6969   setup_mode = SETUP_MODE_ARTWORK;
6970
6971   DrawSetupScreen();
6972 }
6973
6974 static void execSetupChooseGraphics(void)
6975 {
6976   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6977
6978   DrawSetupScreen();
6979 }
6980
6981 static void execSetupChooseSounds(void)
6982 {
6983   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6984
6985   DrawSetupScreen();
6986 }
6987
6988 static void execSetupChooseMusic(void)
6989 {
6990   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6991
6992   DrawSetupScreen();
6993 }
6994
6995 static void execSetupInput(void)
6996 {
6997   setup_mode = SETUP_MODE_INPUT;
6998
6999   DrawSetupScreen();
7000 }
7001
7002 static void execSetupShortcuts(void)
7003 {
7004   setup_mode = SETUP_MODE_SHORTCUTS;
7005
7006   DrawSetupScreen();
7007 }
7008
7009 static void execSetupShortcuts1(void)
7010 {
7011   setup_mode = SETUP_MODE_SHORTCUTS_1;
7012
7013   DrawSetupScreen();
7014 }
7015
7016 static void execSetupShortcuts2(void)
7017 {
7018   setup_mode = SETUP_MODE_SHORTCUTS_2;
7019
7020   DrawSetupScreen();
7021 }
7022
7023 static void execSetupShortcuts3(void)
7024 {
7025   setup_mode = SETUP_MODE_SHORTCUTS_3;
7026
7027   DrawSetupScreen();
7028 }
7029
7030 static void execSetupShortcuts4(void)
7031 {
7032   setup_mode = SETUP_MODE_SHORTCUTS_4;
7033
7034   DrawSetupScreen();
7035 }
7036
7037 static void execSetupShortcuts5(void)
7038 {
7039   setup_mode = SETUP_MODE_SHORTCUTS_5;
7040
7041   DrawSetupScreen();
7042 }
7043
7044 static void execExitSetup(void)
7045 {
7046   SetGameStatus(GAME_MODE_MAIN);
7047
7048   DrawMainMenu();
7049 }
7050
7051 static void execSaveAndExitSetup(void)
7052 {
7053   SaveSetup();
7054   execExitSetup();
7055 }
7056
7057 static void execGadgetNetworkServer(void)
7058 {
7059   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7060   struct GadgetInfo *gi = screen_gadget[gadget_id];
7061
7062   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7063     network_server_hostname[0] = '\0';
7064
7065   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7066
7067   MapGadget(gi);
7068
7069   ClickOnGadget(gi, MB_LEFTBUTTON);
7070 }
7071
7072 static void execOfferUploadTapes(void)
7073 {
7074   OfferUploadTapes();
7075 }
7076
7077 static void ToggleNetworkModeIfNeeded(void)
7078 {
7079   int font_title = FONT_TITLE_1;
7080   int font_foot = FC_BLUE;
7081   int ystart  = mSY - SY + 16;
7082   int ybottom = mSY - SY + SYSIZE - 20;
7083   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7084
7085   if (setup.network_mode == network.enabled)
7086     return;
7087
7088   network.enabled = setup.network_mode;
7089
7090   FadeOut(REDRAW_ALL);
7091
7092   ClearField();
7093
7094   DrawTextSCentered(ystart, font_title, text);
7095
7096   FadeIn(REDRAW_ALL);
7097
7098   if (network.enabled)
7099     InitNetworkServer();
7100   else
7101     DisconnectFromNetworkServer();
7102
7103   DrawTextSCentered(ybottom, font_foot,
7104                     "Press any key or button for setup menu");
7105
7106   WaitForEventToContinue();
7107
7108   DrawSetupScreen();
7109 }
7110
7111 static void ToggleGameSpeedsListIfNeeded(void)
7112 {
7113   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7114
7115   if (setup.game_speed_extended == using_game_speeds_extended)
7116     return;
7117
7118   // try to match similar values when changing game speeds list
7119   if (setup.game_speed_extended)
7120     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7121                               setup.game_frame_delay == 30 ? 29 :
7122                               setup.game_frame_delay);
7123   else
7124     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7125                               setup.game_frame_delay == 16 ? 15 :
7126                               setup.game_frame_delay >= 29 ? 30 :
7127                               setup.game_frame_delay <= 10 ? 10 :
7128                               setup.game_frame_delay);
7129
7130   execSetupGame_setGameSpeeds(TRUE);
7131
7132   DrawSetupScreen();
7133 }
7134
7135 static void ToggleUseApiServerIfNeeded(void)
7136 {
7137   if (runtime.use_api_server == setup.use_api_server)
7138     return;
7139
7140   runtime.use_api_server = setup.use_api_server;
7141
7142   if (runtime.use_api_server)
7143   {
7144     if (setup.has_remaining_tapes)
7145       setup.ask_for_uploading_tapes = TRUE;
7146
7147     CheckApiServerTasks();
7148   }
7149 }
7150
7151 static void ModifyGameSpeedIfNeeded(void)
7152 {
7153   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7154       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7155     return;
7156
7157   char message[100];
7158   char *game_speed_text = "Fast";
7159   int game_speed_value = 15;
7160
7161   if (setup.game_speed_extended)
7162   {
7163     game_speed_text = "60 fps";
7164     game_speed_value = 16;
7165   }
7166
7167   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7168
7169   // set game speed to existing list value that is fast enough for vsync
7170   setup.game_frame_delay = game_speed_value;
7171
7172   execSetupGame_setGameSpeeds(TRUE);
7173
7174   Request(message, REQ_CONFIRM);
7175 }
7176
7177 static void DisableVsyncIfNeeded(void)
7178 {
7179   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7180       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7181        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7182     return;
7183
7184   // disable vsync for the selected game speed to work
7185   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7186
7187   execSetupGraphics_setVsyncModes(TRUE);
7188
7189   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7190 }
7191
7192 static struct
7193 {
7194   void *value;
7195   void *related_value;
7196 } hide_related_entry_list[] =
7197 {
7198   { &setup.network_server_hostname,     execGadgetNetworkServer         },
7199   { &setup.network_server_hostname,     &network_server_text            },
7200
7201   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7202   { &setup.scores_in_highscore_list,    &scores_type_text               },
7203
7204   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7205   { &setup.game_frame_delay,            &game_speed_text                },
7206
7207   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7208   { &setup.scroll_delay_value,          &scroll_delay_text              },
7209
7210   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7211   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7212
7213   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7214   { &setup.window_scaling_percent,      &window_size_text               },
7215
7216   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7217   { &setup.window_scaling_quality,      &scaling_type_text              },
7218
7219   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7220   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7221
7222   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7223   { &setup.vsync_mode,                  &vsync_mode_text                },
7224
7225   { &setup.graphics_set,                execSetupChooseGraphics         },
7226   { &setup.graphics_set,                &graphics_set_name              },
7227
7228   { &setup.sounds_set,                  execSetupChooseSounds           },
7229   { &setup.sounds_set,                  &sounds_set_name                },
7230
7231   { &setup.music_set,                   execSetupChooseMusic            },
7232   { &setup.music_set,                   &music_set_name                 },
7233
7234   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7235   { &setup.volume_simple,               &volume_simple_text             },
7236
7237   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7238   { &setup.volume_loops,                &volume_loops_text              },
7239
7240   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7241   { &setup.volume_music,                &volume_music_text              },
7242
7243   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7244   { &setup.touch.control_type,          &touch_controls_text            },
7245
7246   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7247   { &setup.touch.move_distance,         &move_distance_text             },
7248
7249   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7250   { &setup.touch.drop_distance,         &drop_distance_text             },
7251
7252   { &setup.touch.transparency,          execSetupChooseTransparency     },
7253   { &setup.touch.transparency,          &transparency_text              },
7254
7255   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7256   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7257
7258   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7259   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7260
7261   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7262   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7263
7264   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7265   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7266
7267   { &setup.internal.menu_game,          execSetupGame                   },
7268   { &setup.internal.menu_engines,       execSetupEngines                },
7269   { &setup.internal.menu_editor,        execSetupEditor                 },
7270   { &setup.internal.menu_graphics,      execSetupGraphics               },
7271   { &setup.internal.menu_sound,         execSetupSound                  },
7272   { &setup.internal.menu_artwork,       execSetupArtwork                },
7273   { &setup.internal.menu_input,         execSetupInput                  },
7274   { &setup.internal.menu_touch,         execSetupTouch                  },
7275   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7276   { &setup.internal.menu_exit,          execExitSetup                   },
7277   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7278
7279   { &setup.internal.menu_shortcuts_various,     execSetupShortcuts1     },
7280   { &setup.internal.menu_shortcuts_focus,       execSetupShortcuts2     },
7281   { &setup.internal.menu_shortcuts_tape,        execSetupShortcuts3     },
7282   { &setup.internal.menu_shortcuts_sound,       execSetupShortcuts4     },
7283   { &setup.internal.menu_shortcuts_snap,        execSetupShortcuts5     },
7284
7285   { &setup.internal.info_title,         execInfoTitleScreen             },
7286   { &setup.internal.info_elements,      execInfoElements                },
7287   { &setup.internal.info_music,         execInfoMusic                   },
7288   { &setup.internal.info_credits,       execInfoCredits                 },
7289   { &setup.internal.info_program,       execInfoProgram                 },
7290   { &setup.internal.info_version,       execInfoVersion                 },
7291   { &setup.internal.info_levelset,      execInfoLevelSet                },
7292   { &setup.internal.info_exit,          execExitInfo                    },
7293
7294   { NULL,                               NULL                            }
7295 };
7296
7297 void setHideRelatedSetupEntries(void)
7298 {
7299   int i;
7300
7301   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7302     if (hideSetupEntry(hide_related_entry_list[i].value))
7303       setHideSetupEntry(hide_related_entry_list[i].related_value);
7304 }
7305
7306 static struct TokenInfo setup_info_main[] =
7307 {
7308   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7309   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7310   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7311   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7312   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7313   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7314   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7315   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7316   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7317   { TYPE_EMPTY,         NULL,                   ""                      },
7318   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7319   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7320
7321   { 0,                  NULL,                   NULL                    }
7322 };
7323
7324 static struct TokenInfo setup_info_game[] =
7325 {
7326   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7327   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7328   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7329   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7330   { TYPE_STRING,        &network_server_text,   ""                      },
7331   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7332   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7333   { TYPE_STRING,        &scores_type_text,      ""                      },
7334   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7335   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7336   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7337   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7338   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7339   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7340   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7341   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7342   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7343   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7344   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7345   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7346   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7347   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record When Playing:" },
7348   { TYPE_SWITCH,        &setup.autorecord_after_replay, "Auto-Record After Replay:" },
7349   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7350   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7351   { TYPE_STRING,        &game_speed_text,       ""                      },
7352   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7353 #if 1
7354   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7355   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7356 #endif
7357   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7358   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7359   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7360   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7361   { TYPE_EMPTY,         NULL,                   ""                      },
7362   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7363
7364   { 0,                  NULL,                   NULL                    }
7365 };
7366
7367 static struct TokenInfo setup_info_engines[] =
7368 {
7369   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7370   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7371   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7372   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7373   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7374   { TYPE_EMPTY,         NULL,                   ""                      },
7375   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7376   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7377   { TYPE_EMPTY,         NULL,                   ""                      },
7378   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7379
7380   { 0,                  NULL,                   NULL                    }
7381 };
7382
7383 static struct TokenInfo setup_info_editor[] =
7384 {
7385 #if 0
7386   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7387   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7388   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7389   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7390   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7391   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7392   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7393   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7394   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7395   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7396 #endif
7397   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7398   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7399 #if 0
7400   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7401 #endif
7402   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7403   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7404   { TYPE_EMPTY,         NULL,                   ""                      },
7405 #if 0
7406   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7407   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7408   { TYPE_EMPTY,         NULL,                   ""                      },
7409 #endif
7410   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7411   { TYPE_EMPTY,         NULL,                   ""                      },
7412   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7413   { TYPE_EMPTY,         NULL,                   ""                      },
7414   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7415
7416   { 0,                  NULL,                   NULL                    }
7417 };
7418
7419 static struct TokenInfo setup_info_graphics[] =
7420 {
7421 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7422   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7423   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7424   { TYPE_STRING,        &window_size_text,      ""                      },
7425   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7426   { TYPE_STRING,        &scaling_type_text,     ""                      },
7427   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7428   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7429 #endif
7430 #if 0
7431   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7432   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7433 #endif
7434 #if !defined(PLATFORM_EMSCRIPTEN)
7435   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7436   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7437 #endif
7438   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7439   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7440   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7441   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7442   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7443   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7444   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7445   { TYPE_EMPTY,         NULL,                   ""                      },
7446   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7447
7448   { 0,                  NULL,                   NULL                    }
7449 };
7450
7451 static struct TokenInfo setup_info_sound[] =
7452 {
7453   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7454   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7455   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7456   { TYPE_EMPTY,         NULL,                   ""                      },
7457   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7458   { TYPE_STRING,        &volume_simple_text,    ""                      },
7459   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7460   { TYPE_STRING,        &volume_loops_text,     ""                      },
7461   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7462   { TYPE_STRING,        &volume_music_text,     ""                      },
7463   { TYPE_EMPTY,         NULL,                   ""                      },
7464   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7465
7466   { 0,                  NULL,                   NULL                    }
7467 };
7468
7469 static struct TokenInfo setup_info_artwork[] =
7470 {
7471   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7472   { TYPE_STRING,        &graphics_set_name,     ""                      },
7473   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7474   { TYPE_STRING,        &sounds_set_name,       ""                      },
7475   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7476   { TYPE_STRING,        &music_set_name,        ""                      },
7477   { TYPE_EMPTY,         NULL,                   ""                      },
7478   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7479   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7480   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7481   { TYPE_EMPTY,         NULL,                   ""                      },
7482   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7483
7484   { 0,                  NULL,                   NULL                    }
7485 };
7486
7487 static struct TokenInfo setup_info_input[] =
7488 {
7489   { TYPE_SWITCH,        NULL,                   "Player:"               },
7490   { TYPE_SWITCH,        NULL,                   "Device:"               },
7491   { TYPE_SWITCH,        NULL,                   ""                      },
7492   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7493   { TYPE_EMPTY,         NULL,                   ""                      },
7494   { TYPE_EMPTY,         NULL,                   ""                      },
7495   { TYPE_EMPTY,         NULL,                   ""                      },
7496   { TYPE_EMPTY,         NULL,                   ""                      },
7497   { TYPE_EMPTY,         NULL,                   ""                      },
7498   { TYPE_EMPTY,         NULL,                   ""                      },
7499   { TYPE_EMPTY,         NULL,                   ""                      },
7500   { TYPE_EMPTY,         NULL,                   ""                      },
7501   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7502   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7503
7504   { 0,                  NULL,                   NULL                    }
7505 };
7506
7507 static struct TokenInfo setup_info_touch[] =
7508 {
7509   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7510   { TYPE_STRING,        &touch_controls_text,   ""                      },
7511   { TYPE_EMPTY,         NULL,                   ""                      },
7512   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7513
7514   { 0,                  NULL,                   NULL                    }
7515 };
7516
7517 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7518 {
7519   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7520   { TYPE_STRING,        &touch_controls_text,   ""                      },
7521   { TYPE_EMPTY,         NULL,                   ""                      },
7522   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7523   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7524   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7525   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7526   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7527   { TYPE_STRING,        &transparency_text,     ""                      },
7528   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7529   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7530   { TYPE_EMPTY,         NULL,                   ""                      },
7531   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7532   { TYPE_EMPTY,         NULL,                   ""                      },
7533   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7534
7535   { 0,                  NULL,                   NULL                    }
7536 };
7537
7538 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7539 {
7540   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7541   { TYPE_STRING,        &touch_controls_text,   ""                      },
7542   { TYPE_EMPTY,         NULL,                   ""                      },
7543   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7544   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7545   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7546   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7547   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7548   { TYPE_STRING,        &transparency_text,     ""                      },
7549   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7550   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7551   { TYPE_EMPTY,         NULL,                   ""                      },
7552   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7553   { TYPE_EMPTY,         NULL,                   ""                      },
7554   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7555
7556   { 0,                  NULL,                   NULL                    }
7557 };
7558
7559 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7560 {
7561   setup_info_touch_virtual_buttons_0,
7562   setup_info_touch_virtual_buttons_1
7563 };
7564
7565 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7566 {
7567   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7568   { TYPE_STRING,        &touch_controls_text,   ""                      },
7569   { TYPE_EMPTY,         NULL,                   ""                      },
7570   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7571   { TYPE_STRING,        &move_distance_text,    ""                      },
7572   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7573   { TYPE_STRING,        &drop_distance_text,    ""                      },
7574   { TYPE_EMPTY,         NULL,                   ""                      },
7575   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7576
7577   { 0,                  NULL,                   NULL                    }
7578 };
7579
7580 static struct TokenInfo setup_info_shortcuts[] =
7581 {
7582   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7583   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7584   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7585   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7586   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7587   { TYPE_EMPTY,         NULL,                   ""                      },
7588   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7589
7590   { 0,                  NULL,                   NULL                    }
7591 };
7592
7593 static struct TokenInfo setup_info_shortcuts_1[] =
7594 {
7595   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7596   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7597   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7598   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7599   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7600   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7601   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7602   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7603   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7604   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7605   { TYPE_EMPTY,         NULL,                   ""                      },
7606   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7607   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7608   { TYPE_EMPTY,         NULL,                   ""                      },
7609   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7610
7611   { 0,                  NULL,                   NULL                    }
7612 };
7613
7614 static struct TokenInfo setup_info_shortcuts_2[] =
7615 {
7616   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7617   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7618   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7619   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7620   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7621   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7622   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7623   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7624   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7625   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7626   { TYPE_EMPTY,         NULL,                   ""                      },
7627   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7628
7629   { 0,                  NULL,                   NULL                    }
7630 };
7631
7632 static struct TokenInfo setup_info_shortcuts_3[] =
7633 {
7634   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7635   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7636   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7637   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7638   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7639   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7640   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7641   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7642   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7643   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7644   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7645   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7646   { TYPE_EMPTY,         NULL,                   ""                      },
7647   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7648
7649   { 0,                  NULL,                   NULL                    }
7650 };
7651
7652 static struct TokenInfo setup_info_shortcuts_4[] =
7653 {
7654   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7655   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7656   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7657   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7658   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7659   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7660   { TYPE_EMPTY,         NULL,                   ""                      },
7661   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7662
7663   { 0,                  NULL,                   NULL                    }
7664 };
7665
7666 static struct TokenInfo setup_info_shortcuts_5[] =
7667 {
7668   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7669   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7670   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7671   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7672   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7673   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7674   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7675   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7676   { TYPE_EMPTY,         NULL,                   ""                      },
7677   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7678
7679   { 0,                  NULL,                   NULL                    }
7680 };
7681
7682 static Key getSetupKey(void)
7683 {
7684   Key key = KSYM_UNDEFINED;
7685   boolean got_key_event = FALSE;
7686
7687   while (!got_key_event)
7688   {
7689     Event event;
7690
7691     if (NextValidEvent(&event))
7692     {
7693       switch (event.type)
7694       {
7695         case EVENT_KEYPRESS:
7696           {
7697             key = GetEventKey((KeyEvent *)&event);
7698
7699             // press 'Escape' or 'Enter' to keep the existing key binding
7700             if (key == KSYM_Escape || key == KSYM_Return)
7701               key = KSYM_UNDEFINED;     // keep old value
7702
7703             got_key_event = TRUE;
7704           }
7705           break;
7706
7707         case EVENT_KEYRELEASE:
7708           key_joystick_mapping = 0;
7709           break;
7710
7711         default:
7712           HandleOtherEvents(&event);
7713           break;
7714       }
7715     }
7716
7717     BackToFront();
7718   }
7719
7720   return key;
7721 }
7722
7723 static int getSetupValueFont(int type, void *value)
7724 {
7725   if (type & TYPE_GHOSTED)
7726     return FONT_OPTION_OFF;
7727   else if (type & TYPE_KEY)
7728     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7729   else if (type & TYPE_STRING)
7730     return FONT_VALUE_2;
7731   else if (type & TYPE_ECS_AGA)
7732     return FONT_VALUE_1;
7733   else if (type & TYPE_BOOLEAN_STYLE)
7734     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7735   else if (type & TYPE_YES_NO_AUTO)
7736     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7737             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7738   else if (type & TYPE_PLAYER)
7739     return FONT_VALUE_1;
7740   else
7741     return FONT_VALUE_1;
7742 }
7743
7744 static int getSetupValueFontNarrow(int type, int font_nr)
7745 {
7746   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7747           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7748           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7749           font_nr);
7750 }
7751
7752 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7753 {
7754   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7755   struct TokenInfo *si = &setup_info[si_pos];
7756   boolean font_draw_xoffset_modified = FALSE;
7757   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7758   int font_draw_xoffset_old = -1;
7759   int xoffset = (scrollbar_needed ? -1 : 0);
7760   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7761   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7762   int xpos = menu_screen_value_xpos;
7763   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7764   int startx = mSX + xpos * 32;
7765   int starty = mSY + ypos * 32;
7766   int type = si->type;
7767   void *value = si->value;
7768   char *value_string = getSetupValue(type, value);
7769   int font_nr_default = getSetupValueFont(type, value);
7770   int font_width_default = getFontWidth(font_nr_default);
7771   int font_nr = font_nr_default;
7772   int i;
7773
7774   if (value_string == NULL)
7775     return;
7776
7777   if (type & TYPE_KEY)
7778   {
7779     xpos = MENU_SCREEN_START_XPOS;
7780
7781     if (type & TYPE_QUERY)
7782       value_string = "<press key>";
7783   }
7784   else if (type & TYPE_STRING)
7785   {
7786     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7787
7788     xpos = MENU_SCREEN_START_XPOS;
7789
7790     if (strlen(value_string) > max_value_len)
7791       value_string[max_value_len] = '\0';
7792   }
7793   else if (type & TYPE_YES_NO_AUTO)
7794   {
7795     xpos = menu_screen_value_xpos - 1;
7796   }
7797   else if (type & TYPE_PLAYER)
7798   {
7799     int displayed_player_nr = *(int *)value + 1;
7800
7801     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7802   }
7803
7804   startx = mSX + xpos * 32;
7805   starty = mSY + ypos * 32;
7806
7807   // special check if right-side setup values moved left due to scrollbar
7808   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7809   {
7810     int max_menu_text_length = 26;      // maximum text length for classic menu
7811     int font_xoffset = getFontDrawOffsetX(font_nr);
7812     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7813     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7814     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7815     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7816
7817     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7818     {
7819       // when using narrow font, left-shifting text "auto" not needed
7820       if (type & TYPE_YES_NO_AUTO)
7821         xpos += 1;
7822
7823       xpos += 1;
7824       startx = mSX + xpos * 32;
7825
7826       font_nr = getSetupValueFontNarrow(type, font_nr);
7827     }
7828   }
7829
7830   // downward compatibility correction for Juergen Bonhagen's menu settings
7831   if (setup_mode != SETUP_MODE_INPUT)
7832   {
7833     int max_menu_text_length_big = (menu_screen_value_xpos -
7834                                     MENU_SCREEN_START_XPOS);
7835     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7836     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7837     int font1_xoffset = getFontDrawOffsetX(font_nr);
7838     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7839     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7840     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7841     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7842     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7843     boolean correct_font_draw_xoffset = FALSE;
7844
7845     if (xpos == MENU_SCREEN_START_XPOS &&
7846         startx + font1_xoffset < text_startx + text_font_xoffset)
7847       correct_font_draw_xoffset = TRUE;
7848
7849     if (xpos == menu_screen_value_xpos &&
7850         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7851       correct_font_draw_xoffset = TRUE;
7852
7853     // check if setup value would overlap with setup text when printed
7854     // (this can happen for extreme/wrong values for font draw offset)
7855     if (correct_font_draw_xoffset)
7856     {
7857       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7858       font_draw_xoffset_modified = TRUE;
7859
7860       if (type & TYPE_KEY)
7861         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7862       else if (!(type & TYPE_STRING))
7863         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7864           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7865     }
7866   }
7867
7868   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7869     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7870
7871   DrawText(startx, starty, value_string, font_nr);
7872
7873   if (type & TYPE_PLAYER)
7874   {
7875     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7876     int player_nr = *(int *)value;
7877     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7878     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7879     int startx2 = startx + xoff;
7880     int starty2 = starty + yoff;
7881
7882     if (DrawingOnBackground(startx2, starty2))
7883       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7884
7885     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7886                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7887   }
7888
7889   if (font_draw_xoffset_modified)
7890     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7891 }
7892
7893 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7894 {
7895   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7896   struct TokenInfo *si = &setup_info[si_pos];
7897
7898   if (si->type & TYPE_BOOLEAN_STYLE)
7899   {
7900     *(boolean *)si->value ^= TRUE;
7901   }
7902   else if (si->type & TYPE_YES_NO_AUTO)
7903   {
7904     *(int *)si->value =
7905       (dx == -1 ?
7906        (*(int *)si->value == AUTO ? TRUE :
7907         *(int *)si->value == TRUE ? FALSE : AUTO) :
7908        (*(int *)si->value == TRUE ? AUTO :
7909         *(int *)si->value == AUTO ? FALSE : TRUE));
7910   }
7911   else if (si->type & TYPE_KEY)
7912   {
7913     Key key;
7914
7915     si->type |= TYPE_QUERY;
7916     drawSetupValue(screen_pos, setup_info_pos_raw);
7917     si->type &= ~TYPE_QUERY;
7918
7919     key = getSetupKey();
7920     if (key != KSYM_UNDEFINED)
7921       *(Key *)si->value = key;
7922   }
7923   else if (si->type & TYPE_PLAYER)
7924   {
7925     int player_nr = *(int *)si->value;
7926
7927     if (dx)
7928       player_nr += dx;
7929     else
7930       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7931
7932     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7933   }
7934
7935   drawSetupValue(screen_pos, setup_info_pos_raw);
7936
7937   // fullscreen state may have changed at this point
7938   if (si->value == &setup.fullscreen)
7939     ToggleFullscreenIfNeeded();
7940
7941   // network mode may have changed at this point
7942   if (si->value == &setup.network_mode)
7943     ToggleNetworkModeIfNeeded();
7944
7945   // API server mode may have changed at this point
7946   if (si->value == &setup.use_api_server)
7947     ToggleUseApiServerIfNeeded();
7948
7949   // game speed list may have changed at this point
7950   if (si->value == &setup.game_speed_extended)
7951     ToggleGameSpeedsListIfNeeded();
7952 }
7953
7954 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7955 {
7956   static struct TokenInfo *setup_info_final = NULL;
7957   int list_size = 0;
7958   int list_pos = 0;
7959   int i;
7960
7961   // determine maximum list size of target list
7962   while (setup_info_orig[list_size++].type != 0);
7963
7964   // free, allocate and clear memory for target list
7965   checked_free(setup_info_final);
7966   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7967
7968   // copy setup info list without setup entries marked as hidden
7969   for (i = 0; setup_info_orig[i].type != 0; i++)
7970   {
7971     // skip setup entries configured to be hidden
7972     if (hideSetupEntry(setup_info_orig[i].value))
7973       continue;
7974
7975     // skip skippable setup entries if screen is lower than usual
7976     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7977         setup_info_orig[i].type == TYPE_SKIPPABLE)
7978       continue;
7979
7980     setup_info_final[list_pos++] = setup_info_orig[i];
7981   }
7982
7983   return setup_info_final;
7984 }
7985
7986 static void DrawSetupScreen_Generic(void)
7987 {
7988   int fade_mask = REDRAW_FIELD;
7989   boolean redraw_all = FALSE;
7990   char *title_string = NULL;
7991   int i;
7992
7993   if (CheckFadeAll())
7994     fade_mask = REDRAW_ALL;
7995
7996   UnmapAllGadgets();
7997   FadeMenuSoundsAndMusic();
7998
7999   FreeScreenGadgets();
8000   CreateScreenGadgets();
8001
8002   if (redraw_mask & REDRAW_ALL)
8003     redraw_all = TRUE;
8004
8005   FadeOut(fade_mask);
8006
8007   // needed if different viewport properties defined for setup screen
8008   ChangeViewportPropertiesIfNeeded();
8009
8010   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
8011
8012   ClearField();
8013
8014   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
8015
8016   if (setup_mode == SETUP_MODE_MAIN)
8017   {
8018     setup_info = setup_info_main;
8019     title_string = STR_SETUP_MAIN;
8020   }
8021   else if (setup_mode == SETUP_MODE_GAME)
8022   {
8023     setup_info = setup_info_game;
8024     title_string = STR_SETUP_GAME;
8025   }
8026   else if (setup_mode == SETUP_MODE_ENGINES)
8027   {
8028     setup_info = setup_info_engines;
8029     title_string = STR_SETUP_ENGINES;
8030   }
8031   else if (setup_mode == SETUP_MODE_EDITOR)
8032   {
8033     setup_info = setup_info_editor;
8034     title_string = STR_SETUP_EDITOR;
8035   }
8036   else if (setup_mode == SETUP_MODE_GRAPHICS)
8037   {
8038     setup_info = setup_info_graphics;
8039     title_string = STR_SETUP_GRAPHICS;
8040   }
8041   else if (setup_mode == SETUP_MODE_SOUND)
8042   {
8043     setup_info = setup_info_sound;
8044     title_string = STR_SETUP_SOUND;
8045   }
8046   else if (setup_mode == SETUP_MODE_ARTWORK)
8047   {
8048     setup_info = setup_info_artwork;
8049     title_string = STR_SETUP_ARTWORK;
8050   }
8051   else if (setup_mode == SETUP_MODE_TOUCH)
8052   {
8053     setup_info = setup_info_touch;
8054     title_string = STR_SETUP_TOUCH;
8055
8056     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8057       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8058     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8059       setup_info = setup_info_touch_wipe_gestures;
8060   }
8061   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8062   {
8063     setup_info = setup_info_shortcuts;
8064     title_string = STR_SETUP_SHORTCUTS;
8065   }
8066   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8067   {
8068     setup_info = setup_info_shortcuts_1;
8069     title_string = STR_SETUP_SHORTCUTS;
8070   }
8071   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8072   {
8073     setup_info = setup_info_shortcuts_2;
8074     title_string = STR_SETUP_SHORTCUTS;
8075   }
8076   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8077   {
8078     setup_info = setup_info_shortcuts_3;
8079     title_string = STR_SETUP_SHORTCUTS;
8080   }
8081   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8082   {
8083     setup_info = setup_info_shortcuts_4;
8084     title_string = STR_SETUP_SHORTCUTS;
8085   }
8086   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8087   {
8088     setup_info = setup_info_shortcuts_5;
8089     title_string = STR_SETUP_SHORTCUTS;
8090   }
8091
8092   // use modified setup info without setup entries marked as hidden
8093   setup_info = getSetupInfoFinal(setup_info);
8094
8095   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8096
8097   // determine maximal number of setup entries that can be displayed on screen
8098   num_setup_info = 0;
8099   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8100     num_setup_info++;
8101
8102   // determine maximal number of setup entries available for this setup screen
8103   max_setup_info = 0;
8104   for (i = 0; setup_info[i].type != 0; i++)
8105     max_setup_info++;
8106
8107   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8108
8109   MapScreenGadgets(max_setup_info);
8110
8111   if (redraw_all)
8112     redraw_mask = fade_mask = REDRAW_ALL;
8113
8114   DrawMaskedBorder(fade_mask);
8115
8116   FadeIn(fade_mask);
8117 }
8118
8119 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8120 {
8121   menu_info = setup_info;
8122
8123   HandleMenuScreen(mx, my, dx, dy, button,
8124                    setup_mode, num_setup_info, max_setup_info);
8125 }
8126
8127 static void DrawSetupScreen_Input(void)
8128 {
8129   int i;
8130
8131   FadeOut(REDRAW_FIELD);
8132
8133   ClearField();
8134
8135   setup_info = getSetupInfoFinal(setup_info_input);
8136
8137   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8138
8139   for (i = 0; setup_info[i].type != 0; i++)
8140   {
8141     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8142       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8143     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8144       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8145     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8146       initCursor(i, IMG_MENU_BUTTON);
8147
8148     DrawCursorAndText_Setup(i, -1, FALSE);
8149   }
8150
8151   // create gadgets for setup input menu screen
8152   FreeScreenGadgets();
8153   CreateScreenGadgets();
8154
8155   // map gadgets for setup input menu screen
8156   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8157
8158   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8159
8160   FadeIn(REDRAW_FIELD);
8161 }
8162
8163 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8164 {
8165   if (device_name == NULL)
8166     return;
8167
8168   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8169     device_nr = 0;
8170
8171   if (strlen(device_name) > 1)
8172   {
8173     char c1 = device_name[strlen(device_name) - 1];
8174     char c2 = device_name[strlen(device_name) - 2];
8175
8176     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8177       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8178   }
8179   else
8180     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8181             strlen(device_name));
8182 }
8183
8184 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8185 {
8186   int i;
8187   static struct SetupKeyboardInfo custom_key;
8188   static struct
8189   {
8190     Key *key;
8191     char *text;
8192   } custom[] =
8193   {
8194     { &custom_key.left,  "Axis/Pad Left"  },
8195     { &custom_key.right, "Axis/Pad Right" },
8196     { &custom_key.up,    "Axis/Pad Up"    },
8197     { &custom_key.down,  "Axis/Pad Down"  },
8198     { &custom_key.snap,  "Button 1/A/X"   },
8199     { &custom_key.drop,  "Button 2/B/Y"   }
8200   };
8201   static char *joystick_name[MAX_PLAYERS] =
8202   {
8203     "Joystick1",
8204     "Joystick2",
8205     "Joystick3",
8206     "Joystick4"
8207   };
8208   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8209   int font_nr_info = FONT_MENU_1;
8210   int font_nr_name = FONT_VALUE_OLD;
8211   int font_nr_on   = FONT_VALUE_1;
8212   int font_nr_off  = FONT_VALUE_OLD;
8213   int pos = 4;
8214
8215   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8216   {
8217     font_nr_info = FONT_MENU_2;
8218     font_nr_on   = FONT_VALUE_NARROW;
8219     font_nr_off  = FONT_VALUE_OLD_NARROW;
8220   }
8221
8222   custom_key = setup.input[player_nr].key;
8223
8224   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8225            FONT_INPUT_1_ACTIVE);
8226
8227   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8228                              TILEX, TILEY);
8229   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8230                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8231
8232   if (setup.input[player_nr].use_joystick)
8233   {
8234     char *device_name = setup.input[player_nr].joy.device_name;
8235     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8236     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8237     char *text = joystick_name[joystick_nr];
8238     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8239
8240     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8241     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8242   }
8243   else
8244   {
8245     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8246     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8247   }
8248
8249   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8250     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8251   else
8252     pos = 3;
8253
8254   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8255   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8256   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8257   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8258
8259   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8260   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8261   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8262   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8263   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8264   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8265
8266   for (i = 0; i < 6; i++)
8267   {
8268     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8269
8270     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8271              "              ", font_nr_on);
8272     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8273              (setup.input[player_nr].use_joystick ?
8274               custom[i].text :
8275               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8276   }
8277 }
8278
8279 static int input_player_nr = 0;
8280
8281 static void HandleSetupScreen_Input_Player(int step, int direction)
8282 {
8283   int old_player_nr = input_player_nr;
8284   int new_player_nr;
8285
8286   new_player_nr = old_player_nr + step * direction;
8287   if (new_player_nr < 0)
8288     new_player_nr = 0;
8289   if (new_player_nr > MAX_PLAYERS - 1)
8290     new_player_nr = MAX_PLAYERS - 1;
8291
8292   if (new_player_nr != old_player_nr)
8293   {
8294     input_player_nr = new_player_nr;
8295
8296     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8297   }
8298 }
8299
8300 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8301 {
8302   static int choice = 0;
8303   int x = 0;
8304   int y = choice;
8305   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8306   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8307   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8308   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8309
8310   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8311   {
8312     int i;
8313
8314     for (i = 0; setup_info_input[i].type != 0; i++)
8315     {
8316       // adjust menu structure according to skipped setup entries
8317       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8318       {
8319         pos_empty2--;
8320         pos_end--;
8321       }
8322     }
8323   }
8324
8325   if (button == MB_MENU_INITIALIZE)
8326   {
8327     // input setup menu may have changed size due to graphics configuration
8328     if (choice >= pos_empty1)
8329       choice = pos_end;
8330
8331     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8332
8333     DrawCursorAndText_Setup(choice, -1, TRUE);
8334
8335     return;
8336   }
8337   else if (button == MB_MENU_LEAVE)
8338   {
8339     setup_mode = SETUP_MODE_MAIN;
8340     DrawSetupScreen();
8341     InitJoysticks();
8342
8343     return;
8344   }
8345
8346   if (mx || my)         // mouse input
8347   {
8348     x = (mx - mSX) / 32;
8349     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8350   }
8351   else if (dx || dy)    // keyboard input
8352   {
8353     if (dx && choice == 0)
8354       x = (dx < 0 ? 10 : 12);
8355     else if ((dx && choice == 1) ||
8356              (dx == -1 && choice == pos_end))
8357       button = MB_MENU_CHOICE;
8358     else if (dy)
8359       y = choice + dy;
8360
8361     if (y >= pos_empty1 && y <= pos_empty2)
8362       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8363   }
8364
8365   if (y == 0 && dx != 0 && button)
8366   {
8367     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8368   }
8369   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8370            y >= pos_start && y <= pos_end &&
8371            !(y >= pos_empty1 && y <= pos_empty2))
8372   {
8373     if (button)
8374     {
8375       if (y != choice)
8376       {
8377         DrawCursorAndText_Setup(choice, -1, FALSE);
8378         DrawCursorAndText_Setup(y, -1, TRUE);
8379
8380         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8381
8382         choice = y;
8383       }
8384     }
8385     else
8386     {
8387       if (y == 1)
8388       {
8389         char *device_name = setup.input[input_player_nr].joy.device_name;
8390
8391         if (!setup.input[input_player_nr].use_joystick)
8392         {
8393           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8394
8395           setJoystickDeviceToNr(device_name, new_device_nr);
8396           setup.input[input_player_nr].use_joystick = TRUE;
8397         }
8398         else
8399         {
8400           int device_nr = getJoystickNrFromDeviceName(device_name);
8401           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8402
8403           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8404             setup.input[input_player_nr].use_joystick = FALSE;
8405           else
8406             setJoystickDeviceToNr(device_name, new_device_nr);
8407         }
8408
8409         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8410       }
8411       else if (y == 2)
8412       {
8413         if (setup.input[input_player_nr].use_joystick)
8414           ConfigureJoystick(input_player_nr);
8415         else
8416           CustomizeKeyboard(input_player_nr);
8417       }
8418       else if (y == pos_end)
8419       {
8420         InitJoysticks();
8421
8422         FadeSetLeaveMenu();
8423
8424         setup_mode = SETUP_MODE_MAIN;
8425         DrawSetupScreen();
8426       }
8427     }
8428   }
8429 }
8430
8431 static boolean CustomizeKeyboardMain(int player_nr)
8432 {
8433   int i;
8434   int step_nr;
8435   boolean finished = FALSE;
8436   static struct SetupKeyboardInfo custom_key;
8437   static struct
8438   {
8439     Key *key;
8440     char *text;
8441   } customize_step[] =
8442   {
8443     { &custom_key.left,  "Move Left"    },
8444     { &custom_key.right, "Move Right"   },
8445     { &custom_key.up,    "Move Up"      },
8446     { &custom_key.down,  "Move Down"    },
8447     { &custom_key.snap,  "Snap Field"   },
8448     { &custom_key.drop,  "Drop Element" }
8449   };
8450   int font_nr_old = FONT_VALUE_OLD;
8451   int font_nr_new = FONT_VALUE_1;
8452   boolean success = FALSE;
8453
8454   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8455   {
8456     font_nr_old = FONT_VALUE_OLD_NARROW;
8457     font_nr_new = FONT_VALUE_NARROW;
8458   }
8459
8460   // read existing key bindings from player setup
8461   custom_key = setup.input[player_nr].key;
8462
8463   FadeSetEnterMenu();
8464   FadeOut(REDRAW_FIELD);
8465
8466   ClearField();
8467
8468   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8469
8470   step_nr = 0;
8471   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8472            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8473   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8474            "Key:", FONT_INPUT_1_ACTIVE);
8475   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8476            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8477
8478   FadeIn(REDRAW_FIELD);
8479
8480   while (!finished)
8481   {
8482     Event event;
8483     DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8484
8485     // reset frame delay counter directly after updating screen
8486     ResetDelayCounter(&event_frame_delay);
8487
8488     while (NextValidEvent(&event))
8489     {
8490       switch (event.type)
8491       {
8492         case EVENT_KEYPRESS:
8493           {
8494             Key key = GetEventKey((KeyEvent *)&event);
8495
8496             // press 'Escape' to abort and keep the old key bindings
8497             if (key == KSYM_Escape)
8498             {
8499               FadeSkipNextFadeIn();
8500
8501               finished = TRUE;
8502
8503               break;
8504             }
8505
8506             // press 'Enter' to keep the existing key binding
8507             if (key == KSYM_Return)
8508               key = *customize_step[step_nr].key;
8509
8510             // check if key already used
8511             for (i = 0; i < step_nr; i++)
8512               if (*customize_step[i].key == key)
8513                 break;
8514             if (i < step_nr)
8515               break;
8516
8517             // got new key binding
8518             *customize_step[step_nr].key = key;
8519             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8520                      "             ", font_nr_new);
8521             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8522                      getKeyNameFromKey(key), font_nr_new);
8523             step_nr++;
8524
8525             // un-highlight last query
8526             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8527                      customize_step[step_nr - 1].text, FONT_MENU_1);
8528             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8529                      "Key:", FONT_MENU_1);
8530
8531             // all keys configured
8532             if (step_nr == 6)
8533             {
8534               finished = TRUE;
8535               success = TRUE;
8536
8537               break;
8538             }
8539
8540             // query next key binding
8541             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8542                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8543             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8544                      "Key:", FONT_INPUT_1_ACTIVE);
8545             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8546                      getKeyNameFromKey(*customize_step[step_nr].key),
8547                      font_nr_old);
8548           }
8549           break;
8550
8551         case EVENT_KEYRELEASE:
8552           key_joystick_mapping = 0;
8553           break;
8554
8555         default:
8556           HandleOtherEvents(&event);
8557           break;
8558       }
8559
8560       // do not handle events for longer than standard frame delay period
8561       if (DelayReached(&event_frame_delay))
8562         break;
8563     }
8564
8565     BackToFront();
8566   }
8567
8568   // write new key bindings back to player setup, if successfully finished
8569   if (success)
8570     setup.input[player_nr].key = custom_key;
8571
8572   return success;
8573 }
8574
8575 void CustomizeKeyboard(int player_nr)
8576 {
8577   boolean success = CustomizeKeyboardMain(player_nr);
8578
8579   if (success)
8580   {
8581     int font_nr = FONT_TITLE_1;
8582     int font_height = getFontHeight(font_nr);
8583     int ypos1 = SYSIZE / 2 - font_height * 2;
8584     int ypos2 = SYSIZE / 2 - font_height * 1;
8585     DelayCounter wait_frame_delay = { 2000 };
8586
8587     ResetDelayCounter(&wait_frame_delay);
8588
8589     ClearField();
8590
8591     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8592     DrawTextSCentered(ypos2, font_nr, "configured!");
8593
8594     while (!DelayReached(&wait_frame_delay))
8595       BackToFront();
8596
8597     ClearEventQueue();
8598   }
8599
8600   DrawSetupScreen_Input();
8601 }
8602
8603 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8604
8605 #define MARKER_BUTTON           1
8606 #define MARKER_AXIS_X           2
8607 #define MARKER_AXIS_Y           3
8608
8609 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8610 {
8611   static boolean bitmaps_initialized = FALSE;
8612   boolean screen_initialized = FALSE;
8613   static Bitmap *controller, *button, *axis_x, *axis_y;
8614   char *name;
8615   boolean success = TRUE;
8616   boolean done = FALSE, next = FALSE;
8617   Event event;
8618   int alpha = 200, alpha_step = -1;
8619   int alpha_ticks = 0;
8620   char mapping[4096], temp[256];
8621   int font_name = MENU_SETUP_FONT_TITLE;
8622   int font_info = MENU_SETUP_FONT_TEXT;
8623   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8624   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8625   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8626   int ystep_name = getMenuTextStep(spacing_name, font_name);
8627   int ystep_line = getMenuTextStep(spacing_line, font_info);
8628   int ystep_para = getMenuTextStep(spacing_para, font_info);
8629   int i, j;
8630
8631   struct
8632   {
8633     int x, y;
8634     int marker;
8635     char *field;
8636     int axis, button, hat, hat_value;
8637     char mapping[4096];
8638   }
8639   *step, *prev_step, steps[] =
8640   {
8641     { 356, 155, MARKER_BUTTON, "a",             },
8642     { 396, 122, MARKER_BUTTON, "b",             },
8643     { 320, 125, MARKER_BUTTON, "x",             },
8644     { 358,  95, MARKER_BUTTON, "y",             },
8645     { 162, 125, MARKER_BUTTON, "back",          },
8646     { 216, 125, MARKER_BUTTON, "guide",         },
8647     { 271, 125, MARKER_BUTTON, "start",         },
8648     { 110, 200, MARKER_BUTTON, "dpleft",        },
8649     { 146, 228, MARKER_BUTTON, "dpdown",        },
8650     { 178, 200, MARKER_BUTTON, "dpright",       },
8651     { 146, 172, MARKER_BUTTON, "dpup",          },
8652     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8653     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8654     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8655     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8656     {  73, 141, MARKER_BUTTON, "leftstick",     },
8657     { 282, 210, MARKER_BUTTON, "rightstick",    },
8658     {  73, 141, MARKER_AXIS_X, "leftx",         },
8659     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8660     { 282, 210, MARKER_AXIS_X, "rightx",        },
8661     { 282, 210, MARKER_AXIS_Y, "righty",        },
8662   };
8663
8664   if (!bitmaps_initialized)
8665   {
8666     controller = LoadCustomImage("joystick/controller.png");
8667     button     = LoadCustomImage("joystick/button.png");
8668     axis_x     = LoadCustomImage("joystick/axis_x.png");
8669     axis_y     = LoadCustomImage("joystick/axis_y.png");
8670
8671     bitmaps_initialized = TRUE;
8672   }
8673
8674   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8675
8676 #if DEBUG_JOYSTICKS
8677   // print info about the joystick we are watching
8678   Debug("joystick", "watching joystick %d: (%s)",
8679         SDL_JoystickInstanceID(joystick), name);
8680   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8681         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8682         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8683 #endif
8684
8685   // initialize mapping with GUID and name
8686   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8687
8688   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8689            temp, name, SDL_GetPlatform());
8690
8691   // loop through all steps (buttons and axes), getting joystick events
8692   for (i = 0; i < SDL_arraysize(steps) && !done;)
8693   {
8694     Bitmap *marker = button;    // initialize with reliable default value
8695
8696     step = &steps[i];
8697     strcpy(step->mapping, mapping);
8698     step->axis = -1;
8699     step->button = -1;
8700     step->hat = -1;
8701     step->hat_value = -1;
8702
8703     marker = (step->marker == MARKER_BUTTON ? button :
8704               step->marker == MARKER_AXIS_X ? axis_x :
8705               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8706
8707     next = FALSE;
8708
8709     while (!done && !next)
8710     {
8711       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8712       alpha_ticks = SDL_GetTicks();
8713
8714       if (alpha >= 255)
8715       {
8716         alpha = 255;
8717         alpha_step = -1;
8718       }
8719       else if (alpha < 128)
8720       {
8721         alpha = 127;
8722         alpha_step = 1;
8723       }
8724
8725       int controller_x = SX + (SXSIZE - controller->width) / 2;
8726       int controller_y = SY + ystep_line;
8727
8728       int marker_x = controller_x + step->x;
8729       int marker_y = controller_y + step->y;
8730
8731       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8732       int ystart2 = ystart1 + ystep_name + ystep_line;
8733
8734       ClearField();
8735
8736       DrawTextSCentered(ystart1, font_name, name);
8737
8738       DrawTextSCentered(ystart2, font_info,
8739                         "Press buttons and move axes on");
8740       ystart2 += ystep_line;
8741       DrawTextSCentered(ystart2, font_info,
8742                         "your controller when indicated.");
8743       ystart2 += ystep_line;
8744       DrawTextSCentered(ystart2, font_info,
8745                         "(Your controller may look different.)");
8746       ystart2 += ystep_para;
8747
8748 #if defined(PLATFORM_ANDROID)
8749       DrawTextSCentered(ystart2, font_info,
8750                         "To correct a mistake,");
8751       ystart2 += ystep_line;
8752       DrawTextSCentered(ystart2, font_info,
8753                         "press the 'back' button.");
8754       ystart2 += ystep_line;
8755       DrawTextSCentered(ystart2, font_info,
8756                         "To skip a button or axis,");
8757       ystart2 += ystep_line;
8758       DrawTextSCentered(ystart2, font_info,
8759                         "press the 'menu' button.");
8760 #else
8761       DrawTextSCentered(ystart2, font_info,
8762                         "To correct a mistake,");
8763       ystart2 += ystep_line;
8764       DrawTextSCentered(ystart2, font_info,
8765                         "press the 'backspace' key.");
8766       ystart2 += ystep_line;
8767       DrawTextSCentered(ystart2, font_info,
8768                         "To skip a button or axis,");
8769       ystart2 += ystep_line;
8770       DrawTextSCentered(ystart2, font_info,
8771                         "press the 'return' key.");
8772       ystart2 += ystep_line;
8773       DrawTextSCentered(ystart2, font_info,
8774                         "To exit, press the 'escape' key.");
8775 #endif
8776
8777       BlitBitmapMasked(controller, drawto, 0, 0,
8778                        controller->width, controller->height,
8779                        controller_x, controller_y);
8780
8781       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8782       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8783
8784       BlitBitmapMasked(marker, drawto, 0, 0,
8785                        marker->width, marker->height,
8786                        marker_x, marker_y);
8787
8788       if (!screen_initialized)
8789         FadeIn(REDRAW_FIELD);
8790       else
8791         BackToFront();
8792
8793       screen_initialized = TRUE;
8794
8795       DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8796
8797       // reset frame delay counter directly after updating screen
8798       ResetDelayCounter(&event_frame_delay);
8799
8800       while (NextValidEvent(&event))
8801       {
8802         switch (event.type)
8803         {
8804           case SDL_JOYAXISMOTION:
8805             if (event.jaxis.value > 20000 ||
8806                 event.jaxis.value < -20000)
8807             {
8808               for (j = 0; j < i; j++)
8809                 if (steps[j].axis == event.jaxis.axis)
8810                   break;
8811
8812               if (j == i)
8813               {
8814                 if (step->marker != MARKER_AXIS_X &&
8815                     step->marker != MARKER_AXIS_Y)
8816                   break;
8817
8818                 step->axis = event.jaxis.axis;
8819                 strcat(mapping, step->field);
8820                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8821                 strcat(mapping, temp);
8822                 i++;
8823                 next = TRUE;
8824               }
8825             }
8826
8827             break;
8828
8829           case SDL_JOYHATMOTION:
8830             // ignore centering; we're probably just coming back
8831             // to the center from the previous item we set
8832             if (event.jhat.value == SDL_HAT_CENTERED)
8833               break;
8834
8835             for (j = 0; j < i; j++)
8836               if (steps[j].hat == event.jhat.hat &&
8837                   steps[j].hat_value == event.jhat.value)
8838                 break;
8839
8840             if (j == i)
8841             {
8842               step->hat = event.jhat.hat;
8843               step->hat_value = event.jhat.value;
8844               strcat(mapping, step->field);
8845               snprintf(temp, sizeof(temp), ":h%u.%u,",
8846                        event.jhat.hat, event.jhat.value );
8847               strcat(mapping, temp);
8848               i++;
8849               next = TRUE;
8850             }
8851
8852             break;
8853
8854           case SDL_JOYBALLMOTION:
8855             break;
8856
8857           case SDL_JOYBUTTONUP:
8858             for (j = 0; j < i; j++)
8859               if (steps[j].button == event.jbutton.button)
8860                 break;
8861
8862             if (j == i)
8863             {
8864               step->button = event.jbutton.button;
8865               strcat(mapping, step->field);
8866               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8867               strcat(mapping, temp);
8868               i++;
8869               next = TRUE;
8870             }
8871
8872             break;
8873
8874           case SDL_FINGERDOWN:
8875           case SDL_MOUSEBUTTONDOWN:
8876             // skip this step
8877             i++;
8878             next = TRUE;
8879
8880             break;
8881
8882           case SDL_KEYDOWN:
8883             if (event.key.keysym.sym == KSYM_BackSpace ||
8884                 event.key.keysym.sym == KSYM_Back)
8885             {
8886               if (i == 0)
8887               {
8888                 // leave screen
8889                 success = FALSE;
8890                 done = TRUE;
8891
8892                 break;
8893               }
8894
8895               // undo this step
8896               prev_step = &steps[i - 1];
8897               strcpy(mapping, prev_step->mapping);
8898               i--;
8899               next = TRUE;
8900
8901               break;
8902             }
8903
8904             if (event.key.keysym.sym == KSYM_space ||
8905                 event.key.keysym.sym == KSYM_Return ||
8906                 event.key.keysym.sym == KSYM_Menu)
8907             {
8908               // skip this step
8909               i++;
8910               next = TRUE;
8911
8912               break;
8913             }
8914
8915             if (event.key.keysym.sym == KSYM_Escape)
8916             {
8917               // leave screen
8918               success = FALSE;
8919               done = TRUE;
8920             }
8921
8922             break;
8923
8924           case SDL_QUIT:
8925             program.exit_function(0);
8926             break;
8927
8928           default:
8929             break;
8930         }
8931
8932         // do not handle events for longer than standard frame delay period
8933         if (DelayReached(&event_frame_delay))
8934           break;
8935       }
8936     }
8937   }
8938
8939   if (success)
8940   {
8941 #if DEBUG_JOYSTICKS
8942     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8943 #endif
8944
8945     // activate mapping for this game
8946     SDL_GameControllerAddMapping(mapping);
8947
8948     // save mapping to personal mappings
8949     SaveSetup_AddGameControllerMapping(mapping);
8950   }
8951
8952   // wait until the last pending event was removed from event queue
8953   while (NextValidEvent(&event));
8954
8955   return success;
8956 }
8957
8958 static int ConfigureJoystickMain(int player_nr)
8959 {
8960   char *device_name = setup.input[player_nr].joy.device_name;
8961   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8962   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8963   int success = FALSE;
8964   int i;
8965
8966   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8967     return JOYSTICK_NOT_AVAILABLE;
8968
8969   if (!joystick_active || !setup.input[player_nr].use_joystick)
8970     return JOYSTICK_NOT_AVAILABLE;
8971
8972   FadeSetEnterMenu();
8973   FadeOut(REDRAW_FIELD);
8974
8975   // close all joystick devices (potentially opened as game controllers)
8976   for (i = 0; i < SDL_NumJoysticks(); i++)
8977     SDLCloseJoystick(i);
8978
8979   // open joystick device as plain joystick to configure as game controller
8980   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8981
8982   // as the joystick was successfully opened before, this should not happen
8983   if (joystick == NULL)
8984     return FALSE;
8985
8986   // create new game controller mapping (buttons and axes) for joystick device
8987   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8988
8989   // close joystick (and maybe re-open as configured game controller later)
8990   SDL_JoystickClose(joystick);
8991
8992   // re-open all joystick devices (potentially as game controllers)
8993   for (i = 0; i < SDL_NumJoysticks(); i++)
8994     SDLOpenJoystick(i);
8995
8996   // clear all joystick input actions for all joystick devices
8997   SDLClearJoystickState();
8998
8999   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
9000 }
9001
9002 void ConfigureJoystick(int player_nr)
9003 {
9004   boolean state = ConfigureJoystickMain(player_nr);
9005
9006   if (state != JOYSTICK_NOT_CONFIGURED)
9007   {
9008     boolean success = (state == JOYSTICK_CONFIGURED);
9009     char message1[MAX_OUTPUT_LINESIZE + 1];
9010     char *message2 = (success ? "configured!" : "not available!");
9011     char *device_name = setup.input[player_nr].joy.device_name;
9012     int nr = getJoystickNrFromDeviceName(device_name) + 1;
9013     int font_nr = FONT_TITLE_1;
9014     int font_height = getFontHeight(font_nr);
9015     int ypos1 = SYSIZE / 2 - font_height * 2;
9016     int ypos2 = SYSIZE / 2 - font_height * 1;
9017     DelayCounter wait_frame_delay = { 2000 };
9018
9019     ResetDelayCounter(&wait_frame_delay);
9020
9021     ClearField();
9022
9023     sprintf(message1, "Joystick %d", nr);
9024
9025     DrawTextSCentered(ypos1, font_nr, message1);
9026     DrawTextSCentered(ypos2, font_nr, message2);
9027
9028     while (!DelayReached(&wait_frame_delay))
9029       BackToFront();
9030
9031     ClearEventQueue();
9032   }
9033
9034   DrawSetupScreen_Input();
9035 }
9036
9037 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9038 {
9039   if (y < video.screen_height / 3)
9040   {
9041     // remap touch gadgets to access upper part of the screen
9042     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9043     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9044   }
9045   else if (y > 2 * video.screen_height / 3)
9046   {
9047     // remap touch gadgets to access lower part of the screen
9048     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9049     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9050   }
9051 }
9052
9053 static boolean ConfigureVirtualButtonsMain(void)
9054 {
9055   static char *customize_step_text[] =
9056   {
9057     "Move Left",
9058     "Move Right",
9059     "Move Up",
9060     "Move Down",
9061     "Snap Field",
9062     "Drop Element"
9063   };
9064   char grid_button[] =
9065   {
9066     CHAR_GRID_BUTTON_LEFT,
9067     CHAR_GRID_BUTTON_RIGHT,
9068     CHAR_GRID_BUTTON_UP,
9069     CHAR_GRID_BUTTON_DOWN,
9070     CHAR_GRID_BUTTON_SNAP,
9071     CHAR_GRID_BUTTON_DROP
9072   };
9073   enum
9074   {
9075     ACTION_NONE,
9076     ACTION_ESCAPE,
9077     ACTION_BACK,
9078     ACTION_NEXT
9079   };
9080   int font_nr = FONT_INPUT_1_ACTIVE;
9081   int font_height = getFontHeight(font_nr);
9082   int ypos1 = SYSIZE / 2 - font_height * 2;
9083   int ypos2 = SYSIZE / 2 - font_height * 1;
9084   boolean success = FALSE;
9085   boolean finished = FALSE;
9086   int step_nr = 0;
9087   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9088   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9089   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9090   boolean set_grid_button = FALSE;
9091   int nr = GRID_ACTIVE_NR();
9092   int x, y;
9093
9094   for (x = 0; x < MAX_GRID_XSIZE; x++)
9095     for (y = 0; y < MAX_GRID_YSIZE; y++)
9096       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9097
9098   overlay.grid_button_highlight = grid_button[step_nr];
9099
9100   UnmapAllGadgets();
9101
9102   FadeSetEnterMenu();
9103   FadeOut(REDRAW_FIELD);
9104
9105   ClearField();
9106
9107   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9108   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9109   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9110
9111   FadeIn(REDRAW_FIELD);
9112
9113   SetOverlayShowGrid(TRUE);
9114
9115   // map gadgets for setup touch buttons menu screen
9116   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9117
9118   while (!finished)
9119   {
9120     Event event;
9121
9122     while (NextValidEvent(&event))
9123     {
9124       int action = ACTION_NONE;
9125
9126       // ---------- handle events and set the resulting action ----------
9127
9128       switch (event.type)
9129       {
9130         case EVENT_USER:
9131           {
9132             UserEvent *user = (UserEvent *)&event;
9133             int id = user->value1;
9134
9135             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9136                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9137                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9138                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9139                       ACTION_NONE);
9140           }
9141           break;
9142
9143         case EVENT_KEYPRESS:
9144           {
9145             Key key = GetEventKey((KeyEvent *)&event);
9146
9147             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9148                       key == KSYM_BackSpace ||
9149                       key == KSYM_Back ?        ACTION_BACK :
9150                       key == KSYM_Return ||
9151                       key == KSYM_Menu ||
9152                       key == KSYM_space ?       ACTION_NEXT :
9153                       ACTION_NONE);
9154           }
9155           break;
9156
9157         case EVENT_KEYRELEASE:
9158           key_joystick_mapping = 0;
9159           break;
9160
9161         case EVENT_BUTTONPRESS:
9162         case EVENT_BUTTONRELEASE:
9163           {
9164             ButtonEvent *button = (ButtonEvent *)&event;
9165
9166             motion_status = FALSE;
9167
9168             if (button->type == EVENT_BUTTONPRESS)
9169               button_status = button->button;
9170             else
9171               button_status = MB_RELEASED;
9172
9173             if (HandleGadgets(button->x, button->y, button_status))
9174             {
9175               // do not handle this button event anymore
9176               break;
9177             }
9178
9179             button->x += video.screen_xoffset;
9180             button->y += video.screen_yoffset;
9181
9182             x = button->x * overlay.grid_xsize / video.screen_width;
9183             y = button->y * overlay.grid_ysize / video.screen_height;
9184
9185             if (button->type == EVENT_BUTTONPRESS)
9186             {
9187               grid_button_draw =
9188                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9189                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9190
9191               set_grid_button = TRUE;
9192             }
9193
9194             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9195           }
9196           break;
9197
9198         case EVENT_MOTIONNOTIFY:
9199           {
9200             MotionEvent *motion = (MotionEvent *)&event;
9201
9202             motion_status = TRUE;
9203
9204             if (HandleGadgets(motion->x, motion->y, button_status))
9205             {
9206               // do not handle this button event anymore
9207               break;
9208             }
9209
9210             motion->x += video.screen_xoffset;
9211             motion->y += video.screen_yoffset;
9212
9213             x = motion->x * overlay.grid_xsize / video.screen_width;
9214             y = motion->y * overlay.grid_ysize / video.screen_height;
9215
9216             set_grid_button = TRUE;
9217
9218             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9219           }
9220           break;
9221
9222         case SDL_WINDOWEVENT:
9223           HandleWindowEvent((WindowEvent *) &event);
9224
9225           // check if device has been rotated
9226           if (nr != GRID_ACTIVE_NR())
9227           {
9228             nr = GRID_ACTIVE_NR();
9229
9230             for (x = 0; x < MAX_GRID_XSIZE; x++)
9231               for (y = 0; y < MAX_GRID_YSIZE; y++)
9232                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9233                   overlay.grid_button[x][y];
9234           }
9235
9236           break;
9237
9238         case SDL_APP_WILLENTERBACKGROUND:
9239         case SDL_APP_DIDENTERBACKGROUND:
9240         case SDL_APP_WILLENTERFOREGROUND:
9241         case SDL_APP_DIDENTERFOREGROUND:
9242           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9243           break;
9244
9245         default:
9246           HandleOtherEvents(&event);
9247           break;
9248       }
9249
9250       // ---------- perform action set by handling events ----------
9251
9252       if (action == ACTION_ESCAPE)
9253       {
9254         // abort and restore the old key bindings
9255
9256         for (x = 0; x < MAX_GRID_XSIZE; x++)
9257           for (y = 0; y < MAX_GRID_YSIZE; y++)
9258             overlay.grid_button[x][y] = grid_button_old[x][y];
9259
9260         FadeSkipNextFadeIn();
9261
9262         finished = TRUE;
9263       }
9264       else if (action == ACTION_BACK)
9265       {
9266         // keep the configured key bindings and go to previous page
9267
9268         step_nr--;
9269
9270         if (step_nr < 0)
9271         {
9272           FadeSkipNextFadeIn();
9273
9274           finished = TRUE;
9275         }
9276       }
9277       else if (action == ACTION_NEXT)
9278       {
9279         // keep the configured key bindings and go to next page
9280
9281         step_nr++;
9282
9283         // all virtual buttons configured
9284         if (step_nr == 6)
9285         {
9286           finished = TRUE;
9287           success = TRUE;
9288         }
9289       }
9290
9291       if (action != ACTION_NONE && !finished)
9292       {
9293         for (x = 0; x < MAX_GRID_XSIZE; x++)
9294           for (y = 0; y < MAX_GRID_YSIZE; y++)
9295             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9296
9297         overlay.grid_button_highlight = grid_button[step_nr];
9298
9299         // configure next virtual button
9300
9301         ClearField();
9302
9303         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9304         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9305         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9306       }
9307
9308       if (set_grid_button)
9309       {
9310         overlay.grid_button[x][y] =
9311           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9312            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9313            grid_button_tmp[x][y]);
9314
9315         set_grid_button = FALSE;
9316       }
9317     }
9318
9319     BackToFront();
9320   }
9321
9322   for (x = 0; x < MAX_GRID_XSIZE; x++)
9323     for (y = 0; y < MAX_GRID_YSIZE; y++)
9324       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9325
9326   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9327
9328   SetOverlayShowGrid(FALSE);
9329
9330   return success;
9331 }
9332
9333 void ConfigureVirtualButtons(void)
9334 {
9335   boolean success = ConfigureVirtualButtonsMain();
9336
9337   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9338                          SCREEN_MASK_TOUCH2);
9339
9340   if (success)
9341   {
9342     int font_nr = FONT_TITLE_1;
9343     int font_height = getFontHeight(font_nr);
9344     int ypos1 = SYSIZE / 2 - font_height * 2;
9345     int ypos2 = SYSIZE / 2 - font_height * 1;
9346     DelayCounter wait_frame_delay = { 2000 };
9347
9348     ResetDelayCounter(&wait_frame_delay);
9349
9350     ClearField();
9351
9352     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9353     DrawTextSCentered(ypos2, font_nr, "configured!");
9354
9355     while (!DelayReached(&wait_frame_delay))
9356       BackToFront();
9357
9358     ClearEventQueue();
9359   }
9360 }
9361
9362 void DrawSetupScreen(void)
9363 {
9364   align_xoffset = 0;
9365   align_yoffset = 0;
9366
9367   if (setup_mode == SETUP_MODE_INPUT)
9368     DrawSetupScreen_Input();
9369   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9370     DrawChooseTree(&scores_type_current);
9371   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9372     DrawChooseTree(&game_speed_current);
9373   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9374     DrawChooseTree(&scroll_delay_current);
9375   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9376     DrawChooseTree(&snapshot_mode_current);
9377   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9378     DrawChooseTree(&window_size_current);
9379   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9380     DrawChooseTree(&scaling_type_current);
9381   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9382     DrawChooseTree(&rendering_mode_current);
9383   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9384     DrawChooseTree(&vsync_mode_current);
9385   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9386     DrawChooseTree(&artwork.gfx_current);
9387   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9388     DrawChooseTree(&artwork.snd_current);
9389   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9390     DrawChooseTree(&artwork.mus_current);
9391   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9392     DrawChooseTree(&volume_simple_current);
9393   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9394     DrawChooseTree(&volume_loops_current);
9395   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9396     DrawChooseTree(&volume_music_current);
9397   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9398     DrawChooseTree(&touch_control_current);
9399   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9400     DrawChooseTree(&move_distance_current);
9401   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9402     DrawChooseTree(&drop_distance_current);
9403   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9404     DrawChooseTree(&transparency_current);
9405   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9406     DrawChooseTree(&grid_size_current[0][0]);
9407   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9408     DrawChooseTree(&grid_size_current[0][1]);
9409   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9410     DrawChooseTree(&grid_size_current[1][0]);
9411   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9412     DrawChooseTree(&grid_size_current[1][1]);
9413   else
9414     DrawSetupScreen_Generic();
9415
9416   PlayMenuSoundsAndMusic();
9417 }
9418
9419 void RedrawSetupScreenAfterFullscreenToggle(void)
9420 {
9421   if (setup_mode == SETUP_MODE_GRAPHICS ||
9422       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9423   {
9424     // update list selection from "setup.window_scaling_percent"
9425     execSetupGraphics_setWindowSizes(TRUE);
9426
9427     DrawSetupScreen();
9428   }
9429 }
9430
9431 void RedrawSetupScreenAfterScreenRotation(int nr)
9432 {
9433   int x, y;
9434
9435   if (setup_mode == SETUP_MODE_TOUCH)
9436   {
9437     // update virtual button settings (depending on screen orientation)
9438     DrawSetupScreen();
9439   }
9440   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9441   {
9442     // save already configured virtual buttons
9443     for (x = 0; x < MAX_GRID_XSIZE; x++)
9444       for (y = 0; y < MAX_GRID_YSIZE; y++)
9445         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9446   }
9447 }
9448
9449 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9450 {
9451   if (setup_mode == SETUP_MODE_INPUT)
9452     HandleSetupScreen_Input(mx, my, dx, dy, button);
9453   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9454     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9455   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9456     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9457   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9458     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9459   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9460     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9461   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9462     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9463   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9464     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9465   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9466     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9467   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9468     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9469   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9470     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9471   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9472     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9473   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9474     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9475   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9476     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9477   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9478     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9479   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9480     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9481   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9482     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9483   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9484     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9485   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9486     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9487   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9488     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9489   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9490     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9491   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9492     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9493   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9494     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9495   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9496     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9497   else
9498     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9499 }
9500
9501 void HandleGameActions(void)
9502 {
9503   if (setup.ask_on_game_over)
9504     CheckGameOver();
9505
9506   if (game.restart_game_message != NULL)
9507   {
9508     RequestRestartGame(game.restart_game_message);
9509
9510     return;
9511   }
9512
9513   if (game_status != GAME_MODE_PLAYING)
9514     return;
9515
9516   GameActions();                // main game loop
9517
9518   if (tape.auto_play && !tape.playing)
9519     AutoPlayTapesContinue();    // continue automatically playing next tape
9520 }
9521
9522
9523 // ---------- new screen button stuff --------------------------------------
9524
9525 static struct
9526 {
9527   int gfx_unpressed, gfx_pressed;
9528   struct MenuPosInfo *pos;
9529   boolean *check_value;
9530   int gadget_id;
9531   int screen_mask;
9532   unsigned int event_mask;
9533   boolean is_touch_button;
9534   char *infotext;
9535 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9536 {
9537   {
9538     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9539     &menu.main.button.prev_level, NULL,
9540     SCREEN_CTRL_ID_PREV_LEVEL,
9541     SCREEN_MASK_MAIN,
9542     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9543     FALSE, "previous level"
9544   },
9545   {
9546     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9547     &menu.main.button.next_level, NULL,
9548     SCREEN_CTRL_ID_NEXT_LEVEL,
9549     SCREEN_MASK_MAIN,
9550     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9551     FALSE, "next level"
9552   },
9553   {
9554     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9555     &menu.scores.button.prev_level, NULL,
9556     SCREEN_CTRL_ID_PREV_LEVEL2,
9557     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9558     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9559     FALSE, "previous level"
9560   },
9561   {
9562     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9563     &menu.scores.button.next_level, NULL,
9564     SCREEN_CTRL_ID_NEXT_LEVEL2,
9565     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9566     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9567     FALSE, "next level"
9568   },
9569   {
9570     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9571     &menu.scores.button.prev_score, NULL,
9572     SCREEN_CTRL_ID_PREV_SCORE,
9573     SCREEN_MASK_SCORES_INFO,
9574     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9575     FALSE, "previous score"
9576   },
9577   {
9578     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9579     &menu.scores.button.next_score, NULL,
9580     SCREEN_CTRL_ID_NEXT_SCORE,
9581     SCREEN_MASK_SCORES_INFO,
9582     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9583     FALSE, "next score"
9584   },
9585   {
9586     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE,
9587     &menu.scores.button.play_tape, NULL,
9588     SCREEN_CTRL_ID_PLAY_TAPE,
9589     SCREEN_MASK_SCORES_INFO,
9590     GD_EVENT_RELEASED,
9591     FALSE, "play tape"
9592   },
9593   {
9594     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9595     &menu.main.button.first_level, NULL,
9596     SCREEN_CTRL_ID_FIRST_LEVEL,
9597     SCREEN_MASK_MAIN,
9598     GD_EVENT_RELEASED,
9599     FALSE, "first level"
9600   },
9601   {
9602     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9603     &menu.main.button.last_level, NULL,
9604     SCREEN_CTRL_ID_LAST_LEVEL,
9605     SCREEN_MASK_MAIN,
9606     GD_EVENT_RELEASED,
9607     FALSE, "last level"
9608   },
9609   {
9610     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9611     &menu.main.button.level_number, NULL,
9612     SCREEN_CTRL_ID_LEVEL_NUMBER,
9613     SCREEN_MASK_MAIN,
9614     GD_EVENT_RELEASED,
9615     FALSE, "level number"
9616   },
9617   {
9618     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9619     &menu.setup.button.prev_player, NULL,
9620     SCREEN_CTRL_ID_PREV_PLAYER,
9621     SCREEN_MASK_INPUT,
9622     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9623     FALSE, "previous player"
9624   },
9625   {
9626     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9627     &menu.setup.button.next_player, NULL,
9628     SCREEN_CTRL_ID_NEXT_PLAYER,
9629     SCREEN_MASK_INPUT,
9630     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9631     FALSE, "next player"
9632   },
9633   {
9634     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9635     &menu.main.button.insert_solution, NULL,
9636     SCREEN_CTRL_ID_INSERT_SOLUTION,
9637     SCREEN_MASK_MAIN_HAS_SOLUTION,
9638     GD_EVENT_RELEASED,
9639     FALSE, "insert solution tape"
9640   },
9641   {
9642     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9643     &menu.main.button.play_solution, NULL,
9644     SCREEN_CTRL_ID_PLAY_SOLUTION,
9645     SCREEN_MASK_MAIN_HAS_SOLUTION,
9646     GD_EVENT_RELEASED,
9647     FALSE, "play solution tape"
9648   },
9649   {
9650     IMG_MENU_BUTTON_LEVELSET_INFO, IMG_MENU_BUTTON_LEVELSET_INFO_ACTIVE,
9651     &menu.main.button.levelset_info, NULL,
9652     SCREEN_CTRL_ID_LEVELSET_INFO,
9653     SCREEN_MASK_MAIN_HAS_SET_INFO,
9654     GD_EVENT_RELEASED,
9655     FALSE, "show level set info"
9656   },
9657   {
9658     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9659     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9660     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9661     SCREEN_MASK_MAIN,
9662     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9663     FALSE, "switch ECS/AGA chipset"
9664   },
9665   {
9666     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9667     &menu.setup.button.touch_back, NULL,
9668     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9669     SCREEN_MASK_TOUCH,
9670     GD_EVENT_RELEASED,
9671     TRUE, "previous page"
9672   },
9673   {
9674     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9675     &menu.setup.button.touch_next, NULL,
9676     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9677     SCREEN_MASK_TOUCH,
9678     GD_EVENT_RELEASED,
9679     TRUE, "next page"
9680   },
9681   {
9682     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9683     &menu.setup.button.touch_back2, NULL,
9684     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9685     SCREEN_MASK_TOUCH2,
9686     GD_EVENT_RELEASED,
9687     TRUE, "previous page"
9688   },
9689   {
9690     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9691     &menu.setup.button.touch_next2, NULL,
9692     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9693     SCREEN_MASK_TOUCH2,
9694     GD_EVENT_RELEASED,
9695     TRUE, "next page"
9696   },
9697 };
9698
9699 static struct
9700 {
9701   int gfx_unpressed, gfx_pressed;
9702   int x, y;
9703   int gadget_id;
9704   char *infotext;
9705 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9706 {
9707   {
9708     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9709     -1, -1,     // these values are not constant, but can change at runtime
9710     SCREEN_CTRL_ID_SCROLL_UP,
9711     "scroll up"
9712   },
9713   {
9714     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9715     -1, -1,     // these values are not constant, but can change at runtime
9716     SCREEN_CTRL_ID_SCROLL_DOWN,
9717     "scroll down"
9718   }
9719 };
9720
9721 static struct
9722 {
9723   int gfx_unpressed, gfx_pressed;
9724   int x, y;
9725   int width, height;
9726   int type;
9727   int gadget_id;
9728   char *infotext;
9729 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9730 {
9731   {
9732     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9733     -1, -1,     // these values are not constant, but can change at runtime
9734     -1, -1,     // these values are not constant, but can change at runtime
9735     GD_TYPE_SCROLLBAR_VERTICAL,
9736     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9737     "scroll level series vertically"
9738   }
9739 };
9740
9741 static struct
9742 {
9743   int graphic;
9744   int gadget_id;
9745   int x, y;
9746   int size;
9747   char *value;
9748   char *infotext;
9749 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9750 {
9751   {
9752     IMG_SETUP_INPUT_TEXT,
9753     SCREEN_CTRL_ID_NETWORK_SERVER,
9754     -1, -1,     // these values are not constant, but can change at runtime
9755     MAX_SETUP_TEXT_INPUT_LEN,
9756     network_server_hostname,
9757     "Network Server Hostname / IP"
9758   },
9759 };
9760
9761 static void CreateScreenMenubuttons(void)
9762 {
9763   struct GadgetInfo *gi;
9764   unsigned int event_mask;
9765   int i;
9766
9767   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9768   {
9769     struct MenuPosInfo *pos = menubutton_info[i].pos;
9770     int screen_mask = menubutton_info[i].screen_mask;
9771     boolean is_touch_button = menubutton_info[i].is_touch_button;
9772     boolean is_check_button = menubutton_info[i].check_value != NULL;
9773     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9774     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9775                                menubutton_info[i].gfx_unpressed);
9776     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9777     int gfx_unpressed, gfx_pressed;
9778     int x, y, width, height;
9779     int gd_x1, gd_x2, gd_y1, gd_y2;
9780     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9781     int id = menubutton_info[i].gadget_id;
9782     int type = GD_TYPE_NORMAL_BUTTON;
9783     boolean checked = FALSE;
9784
9785     // do not use touch buttons if overlay touch buttons are disabled
9786     if (is_touch_button && !setup.touch.overlay_buttons)
9787       continue;
9788
9789     event_mask = menubutton_info[i].event_mask;
9790
9791     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9792     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9793
9794     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9795     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9796
9797     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9798     gfx_pressed   = menubutton_info[i].gfx_pressed;
9799     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9800     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9801     gd_x1 = graphic_info[gfx_unpressed].src_x;
9802     gd_y1 = graphic_info[gfx_unpressed].src_y;
9803     gd_x2 = graphic_info[gfx_pressed].src_x;
9804     gd_y2 = graphic_info[gfx_pressed].src_y;
9805     gd_x1a = gd_x1;
9806     gd_y1a = gd_y1;
9807     gd_x2a = gd_x2;
9808     gd_y2a = gd_y2;
9809
9810     if (has_gfx_pressed)
9811     {
9812       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9813       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9814     }
9815
9816     if (is_check_button)
9817     {
9818       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9819       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9820       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9821       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9822
9823       type = GD_TYPE_CHECK_BUTTON;
9824       checked = *menubutton_info[i].check_value;
9825     }
9826
9827     if (is_score_button)
9828     {
9829       // if x/y set to -1, dynamically place buttons next to title text
9830       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9831
9832       // special compatibility handling for "Snake Bite" graphics set
9833       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9834         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9835
9836       // use "SX" here to center buttons (ignore horizontal draw offset)
9837       if (pos->x == -1)
9838         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9839              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9840              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9841              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9842
9843       // use "mSY" here to place buttons (respect vertical draw offset)
9844       if (pos->y == -1)
9845         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9846              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9847     }
9848
9849     if (id == SCREEN_CTRL_ID_LEVELSET_INFO)
9850     {
9851       if (pos->x == -1 && pos->y == -1)
9852       {
9853         // use "SX" here to place button (ignore draw offsets)
9854         x = SX + SXSIZE - 2 * TILESIZE;
9855         y = SY + SYSIZE - 2 * TILESIZE;
9856
9857         // special compatibility handling for "BD2K3" graphics set
9858         if (strPrefix(leveldir_current->identifier, "BD2K3"))
9859           x = SX + TILESIZE + MINI_TILESIZE;
9860
9861         // special compatibility handling for "jue0" graphics set
9862         if (strPrefix(artwork.gfx_current_identifier, "jue0"))
9863         {
9864           x = SX + SXSIZE - 4 * TILESIZE;
9865           y = SY + SYSIZE - 3 * TILESIZE;
9866         }
9867       }
9868     }
9869
9870     gi = CreateGadget(GDI_CUSTOM_ID, id,
9871                       GDI_CUSTOM_TYPE_ID, i,
9872                       GDI_IMAGE_ID, gfx_unpressed,
9873                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9874                       GDI_X, x,
9875                       GDI_Y, y,
9876                       GDI_WIDTH, width,
9877                       GDI_HEIGHT, height,
9878                       GDI_TYPE, type,
9879                       GDI_STATE, GD_BUTTON_UNPRESSED,
9880                       GDI_CHECKED, checked,
9881                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9882                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9883                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9884                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9885                       GDI_DIRECT_DRAW, FALSE,
9886                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9887                       GDI_EVENT_MASK, event_mask,
9888                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9889                       GDI_END);
9890
9891     if (gi == NULL)
9892       Fail("cannot create gadget");
9893
9894     screen_gadget[id] = gi;
9895   }
9896 }
9897
9898 static void CreateScreenScrollbuttons(void)
9899 {
9900   struct GadgetInfo *gi;
9901   unsigned int event_mask;
9902   int i;
9903
9904   // these values are not constant, but can change at runtime
9905   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9906   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9907   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9908   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9909
9910   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9911   {
9912     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9913     int gfx_unpressed, gfx_pressed;
9914     int x, y, width, height;
9915     int gd_x1, gd_x2, gd_y1, gd_y2;
9916     int id = scrollbutton_info[i].gadget_id;
9917
9918     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9919
9920     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9921     y = mSY + scrollbutton_info[i].y;
9922     width = SC_SCROLLBUTTON_XSIZE;
9923     height = SC_SCROLLBUTTON_YSIZE;
9924
9925     // correct scrollbar position if placed outside menu (playfield) area
9926     if (x > SX + SC_SCROLL_UP_XPOS)
9927       x = SX + SC_SCROLL_UP_XPOS;
9928
9929     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9930       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9931                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9932
9933     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9934     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9935     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9936     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9937     gd_x1 = graphic_info[gfx_unpressed].src_x;
9938     gd_y1 = graphic_info[gfx_unpressed].src_y;
9939     gd_x2 = graphic_info[gfx_pressed].src_x;
9940     gd_y2 = graphic_info[gfx_pressed].src_y;
9941
9942     gi = CreateGadget(GDI_CUSTOM_ID, id,
9943                       GDI_CUSTOM_TYPE_ID, i,
9944                       GDI_IMAGE_ID, gfx_unpressed,
9945                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9946                       GDI_X, x,
9947                       GDI_Y, y,
9948                       GDI_WIDTH, width,
9949                       GDI_HEIGHT, height,
9950                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9951                       GDI_STATE, GD_BUTTON_UNPRESSED,
9952                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9953                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9954                       GDI_DIRECT_DRAW, FALSE,
9955                       GDI_EVENT_MASK, event_mask,
9956                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9957                       GDI_END);
9958
9959     if (gi == NULL)
9960       Fail("cannot create gadget");
9961
9962     screen_gadget[id] = gi;
9963   }
9964 }
9965
9966 static void CreateScreenScrollbars(void)
9967 {
9968   int i;
9969
9970   // these values are not constant, but can change at runtime
9971   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9972   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9973   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9974   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9975
9976   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9977   {
9978     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9979     int gfx_unpressed, gfx_pressed;
9980     int x, y, width, height;
9981     int gd_x1, gd_x2, gd_y1, gd_y2;
9982     struct GadgetInfo *gi;
9983     int items_max, items_visible, item_position;
9984     unsigned int event_mask;
9985     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9986     int id = scrollbar_info[i].gadget_id;
9987
9988     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9989
9990     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9991     y = mSY + scrollbar_info[i].y;
9992     width  = scrollbar_info[i].width;
9993     height = scrollbar_info[i].height;
9994
9995     // correct scrollbar position if placed outside menu (playfield) area
9996     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9997       x = SX + SC_SCROLL_VERTICAL_XPOS;
9998
9999     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
10000       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
10001
10002     items_max = num_page_entries;
10003     items_visible = num_page_entries;
10004     item_position = 0;
10005
10006     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
10007     gfx_pressed   = scrollbar_info[i].gfx_pressed;
10008     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10009     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10010     gd_x1 = graphic_info[gfx_unpressed].src_x;
10011     gd_y1 = graphic_info[gfx_unpressed].src_y;
10012     gd_x2 = graphic_info[gfx_pressed].src_x;
10013     gd_y2 = graphic_info[gfx_pressed].src_y;
10014
10015     gi = CreateGadget(GDI_CUSTOM_ID, id,
10016                       GDI_CUSTOM_TYPE_ID, i,
10017                       GDI_IMAGE_ID, gfx_unpressed,
10018                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
10019                       GDI_X, x,
10020                       GDI_Y, y,
10021                       GDI_WIDTH, width,
10022                       GDI_HEIGHT, height,
10023                       GDI_TYPE, scrollbar_info[i].type,
10024                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
10025                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10026                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
10027                       GDI_WHEEL_AREA_X, SX,
10028                       GDI_WHEEL_AREA_Y, SY,
10029                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
10030                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
10031                       GDI_STATE, GD_BUTTON_UNPRESSED,
10032                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10033                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10034                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
10035                       GDI_DIRECT_DRAW, FALSE,
10036                       GDI_EVENT_MASK, event_mask,
10037                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10038                       GDI_END);
10039
10040     if (gi == NULL)
10041       Fail("cannot create gadget");
10042
10043     screen_gadget[id] = gi;
10044   }
10045 }
10046
10047 static void CreateScreenTextInputGadgets(void)
10048 {
10049   int i;
10050
10051   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10052   {
10053     int graphic = textinput_info[i].graphic;
10054     struct GraphicInfo *gd = &graphic_info[graphic];
10055     int gd_x1 = gd->src_x;
10056     int gd_y1 = gd->src_y;
10057     int gd_x2 = gd->src_x + gd->active_xoffset;
10058     int gd_y2 = gd->src_y + gd->active_yoffset;
10059     struct GadgetInfo *gi;
10060     unsigned int event_mask;
10061     int id = textinput_info[i].gadget_id;
10062     int x = textinput_info[i].x;
10063     int y = textinput_info[i].y;
10064
10065     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10066
10067     gi = CreateGadget(GDI_CUSTOM_ID, id,
10068                       GDI_CUSTOM_TYPE_ID, i,
10069                       GDI_INFO_TEXT, textinput_info[i].infotext,
10070                       GDI_X, SX + x,
10071                       GDI_Y, SY + y,
10072                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10073                       GDI_TEXT_VALUE, textinput_info[i].value,
10074                       GDI_TEXT_SIZE, textinput_info[i].size,
10075                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10076                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10077                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10078                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10079                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10080                       GDI_DESIGN_WIDTH, gd->width,
10081                       GDI_EVENT_MASK, event_mask,
10082                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10083                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10084                       GDI_END);
10085
10086     if (gi == NULL)
10087       Fail("cannot create gadget");
10088
10089     screen_gadget[id] = gi;
10090   }
10091 }
10092
10093 void CreateScreenGadgets(void)
10094 {
10095   CreateScreenMenubuttons();
10096
10097   CreateScreenScrollbuttons();
10098   CreateScreenScrollbars();
10099
10100   CreateScreenTextInputGadgets();
10101 }
10102
10103 void FreeScreenGadgets(void)
10104 {
10105   int i;
10106
10107   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10108     FreeGadget(screen_gadget[i]);
10109 }
10110
10111 static void RedrawScreenMenuGadgets(int screen_mask)
10112 {
10113   int i;
10114
10115   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10116     if (screen_mask & menubutton_info[i].screen_mask)
10117       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10118 }
10119
10120 static void MapScreenMenuGadgets(int screen_mask)
10121 {
10122   int i;
10123
10124   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10125     if (screen_mask & menubutton_info[i].screen_mask)
10126       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10127 }
10128
10129 static void UnmapScreenMenuGadgets(int screen_mask)
10130 {
10131   int i;
10132
10133   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10134   {
10135     if (screen_mask & menubutton_info[i].screen_mask)
10136     {
10137       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10138
10139       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10140         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10141                        screen_gadget[menubutton_info[i].gadget_id]->y,
10142                        screen_gadget[menubutton_info[i].gadget_id]->width,
10143                        screen_gadget[menubutton_info[i].gadget_id]->height);
10144     }
10145   }
10146 }
10147
10148 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10149 {
10150   if (map_gadgets)
10151     MapScreenMenuGadgets(screen_mask);
10152   else
10153     UnmapScreenMenuGadgets(screen_mask);
10154 }
10155
10156 static void MapScreenGadgets(int num_entries)
10157 {
10158   int i;
10159
10160   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10161     return;
10162
10163   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10164     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10165
10166   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10167     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10168 }
10169
10170 static void UnmapScreenGadgets()
10171 {
10172   int i;
10173
10174   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10175     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10176
10177   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10178     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10179 }
10180
10181 static void MapScreenTreeGadgets(TreeInfo *ti)
10182 {
10183   MapScreenGadgets(numTreeInfoInGroup(ti));
10184 }
10185
10186 static void UnmapScreenTreeGadgets(void)
10187 {
10188   UnmapScreenGadgets();
10189 }
10190
10191 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10192 {
10193   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10194   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10195   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10196   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10197
10198   if (pos_1->x == -1 && pos_1->y == -1)
10199     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10200
10201   if (pos_2->x == -1 && pos_2->y == -1)
10202     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10203 }
10204
10205 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10206 {
10207   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10208   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10209
10210   // set gadget position dynamically, pre-defined or off-screen
10211   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10212   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10213
10214   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10215   MapGadget(gi);        // (needed if deactivated on last score page)
10216 }
10217
10218 static void HandleScreenGadgets(struct GadgetInfo *gi)
10219 {
10220   int id = gi->custom_id;
10221   int button = gi->event.button;
10222   int step = (button == MB_LEFTBUTTON   ? 1 :
10223               button == MB_MIDDLEBUTTON ? 5 :
10224               button == MB_RIGHTBUTTON  ? 10 : 1);
10225
10226   switch (id)
10227   {
10228     case SCREEN_CTRL_ID_PREV_LEVEL:
10229       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10230       break;
10231
10232     case SCREEN_CTRL_ID_NEXT_LEVEL:
10233       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10234       break;
10235
10236     case SCREEN_CTRL_ID_PREV_LEVEL2:
10237       HandleHallOfFame_SelectLevel(step, -1);
10238       break;
10239
10240     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10241       HandleHallOfFame_SelectLevel(step, +1);
10242       break;
10243
10244     case SCREEN_CTRL_ID_PREV_SCORE:
10245       HandleScoreInfo_SelectScore(step, -1);
10246       break;
10247
10248     case SCREEN_CTRL_ID_NEXT_SCORE:
10249       HandleScoreInfo_SelectScore(step, +1);
10250       break;
10251
10252     case SCREEN_CTRL_ID_PLAY_TAPE:
10253       HandleScoreInfo_PlayTape();
10254       break;
10255
10256     case SCREEN_CTRL_ID_FIRST_LEVEL:
10257       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10258       break;
10259
10260     case SCREEN_CTRL_ID_LAST_LEVEL:
10261       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10262       break;
10263
10264     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10265       CloseDoor(DOOR_CLOSE_2);
10266       SetGameStatus(GAME_MODE_LEVELNR);
10267       DrawChooseLevelNr();
10268       break;
10269
10270     case SCREEN_CTRL_ID_PREV_PLAYER:
10271       HandleSetupScreen_Input_Player(step, -1);
10272       break;
10273
10274     case SCREEN_CTRL_ID_NEXT_PLAYER:
10275       HandleSetupScreen_Input_Player(step, +1);
10276       break;
10277
10278     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10279       InsertSolutionTape();
10280       break;
10281
10282     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10283       PlaySolutionTape();
10284       break;
10285
10286     case SCREEN_CTRL_ID_LEVELSET_INFO:
10287       DrawInfoScreen_FromMainMenu(INFO_MODE_LEVELSET);
10288       break;
10289
10290     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10291       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10292       DrawMainMenu();
10293       break;
10294
10295     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10296     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10297     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10298     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10299       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10300       break;
10301
10302     case SCREEN_CTRL_ID_SCROLL_UP:
10303       if (game_status == GAME_MODE_NAMES)
10304         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10305       else if (game_status == GAME_MODE_LEVELS)
10306         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10307       else if (game_status == GAME_MODE_LEVELNR)
10308         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10309       else if (game_status == GAME_MODE_SETUP)
10310         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10311       else if (game_status == GAME_MODE_INFO)
10312         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10313       else if (game_status == GAME_MODE_SCORES)
10314         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10315       break;
10316
10317     case SCREEN_CTRL_ID_SCROLL_DOWN:
10318       if (game_status == GAME_MODE_NAMES)
10319         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10320       else if (game_status == GAME_MODE_LEVELS)
10321         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10322       else if (game_status == GAME_MODE_LEVELNR)
10323         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10324       else if (game_status == GAME_MODE_SETUP)
10325         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10326       else if (game_status == GAME_MODE_INFO)
10327         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10328       else if (game_status == GAME_MODE_SCORES)
10329         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10330       break;
10331
10332     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10333       if (game_status == GAME_MODE_NAMES)
10334         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10335       else if (game_status == GAME_MODE_LEVELS)
10336         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10337       else if (game_status == GAME_MODE_LEVELNR)
10338         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10339       else if (game_status == GAME_MODE_SETUP)
10340         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10341       else if (game_status == GAME_MODE_INFO)
10342         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10343       else if (game_status == GAME_MODE_SCORES)
10344         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10345       break;
10346
10347     case SCREEN_CTRL_ID_NETWORK_SERVER:
10348     {
10349       if (!strEqual(gi->textinput.value, ""))
10350       {
10351         setString(&setup.network_server_hostname, gi->textinput.value);
10352
10353         network.server_host = setup.network_server_hostname;
10354       }
10355       else
10356       {
10357         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10358
10359         network.server_host = NULL;
10360       }
10361
10362       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10363         network.server_host = NULL;
10364
10365       execSetupGame_setNetworkServerText();
10366
10367       DrawSetupScreen();
10368
10369       break;
10370     }
10371
10372     default:
10373       break;
10374   }
10375 }
10376
10377 void HandleScreenGadgetKeys(Key key)
10378 {
10379   if (key == setup.shortcut.tape_play)
10380     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10381 }
10382
10383 void DumpScreenIdentifiers(void)
10384 {
10385   int i;
10386
10387   Print("Active screen elements on current screen:\n");
10388
10389   for (i = 0; main_controls[i].nr != -1; i++)
10390   {
10391     struct MainControlInfo *mci = &main_controls[i];
10392
10393     if (mci->button_graphic != -1)
10394     {
10395       char *token = getTokenFromImageID(mci->button_graphic);
10396
10397       Print("- '%s'\n", token);
10398     }
10399   }
10400
10401   Print("Done.\n");
10402 }
10403
10404 boolean DoScreenAction(int image_id)
10405 {
10406   int i;
10407
10408   if (game_status != GAME_MODE_MAIN)
10409     return FALSE;
10410
10411   for (i = 0; main_controls[i].nr != -1; i++)
10412   {
10413     struct MainControlInfo *mci = &main_controls[i];
10414     struct MenuPosInfo *pos = mci->pos_button;
10415
10416     if (mci->button_graphic == image_id)
10417     {
10418       int x = mSX + pos->x;
10419       int y = mSY + pos->y;
10420
10421       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10422
10423       return TRUE;
10424     }
10425   }
10426
10427   return FALSE;
10428 }
10429
10430 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10431 {
10432   // get tree info node of newly added level or artwork set
10433   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10434   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10435                                                       tree_subdir_new);
10436   if (tree_node_new == NULL)    // should not happen
10437     return;
10438
10439   // if request dialog is active, do nothing
10440   if (game.request_active)
10441     return;
10442
10443   if (game_status == GAME_MODE_MAIN &&
10444       tree_type == TREE_TYPE_LEVEL_DIR)
10445   {
10446     // when adding new level set in main menu, select it as current level set
10447
10448     // change current level set to newly added level set from zip file
10449     leveldir_current = tree_node_new;
10450
10451     // change current level number to first level of newly added level set
10452     level_nr = leveldir_current->first_level;
10453
10454     // redraw screen to reflect changed level set
10455     DrawMainMenu();
10456
10457     // save this level set and level number as last selected level set
10458     SaveLevelSetup_LastSeries();
10459     SaveLevelSetup_SeriesInfo();
10460   }
10461   else if (game_status == GAME_MODE_LEVELS &&
10462            tree_type == TREE_TYPE_LEVEL_DIR)
10463   {
10464     // when adding new level set in level set menu, set cursor and update screen
10465
10466     leveldir_current = tree_node_new;
10467
10468     DrawChooseTree(&leveldir_current);
10469   }
10470   else if (game_status == GAME_MODE_SETUP)
10471   {
10472     // when adding new artwork set in setup menu, set cursor and update screen
10473
10474     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10475         tree_type == TREE_TYPE_GRAPHICS_DIR)
10476     {
10477       artwork.gfx_current = tree_node_new;
10478
10479       DrawChooseTree(&artwork.gfx_current);
10480     }
10481     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10482              tree_type == TREE_TYPE_SOUNDS_DIR)
10483     {
10484       artwork.snd_current = tree_node_new;
10485
10486       DrawChooseTree(&artwork.snd_current);
10487     }
10488     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10489              tree_type == TREE_TYPE_MUSIC_DIR)
10490     {
10491       artwork.mus_current = tree_node_new;
10492
10493       DrawChooseTree(&artwork.mus_current);
10494     }
10495   }
10496 }
10497
10498 static int UploadTapes(void)
10499 {
10500   SetGameStatus(GAME_MODE_LOADING);
10501
10502   FadeSetEnterScreen();
10503   FadeOut(REDRAW_ALL);
10504
10505   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10506
10507   FadeIn(REDRAW_ALL);
10508
10509   DrawInitTextHead("Uploading tapes");
10510
10511   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10512   global.autoplay_leveldir = "ALL";
10513   global.autoplay_all = TRUE;
10514
10515   int num_tapes_uploaded = AutoPlayTapes();
10516
10517   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10518   global.autoplay_leveldir = NULL;
10519   global.autoplay_all = FALSE;
10520
10521   SetGameStatus(GAME_MODE_MAIN);
10522
10523   DrawMainMenu();
10524
10525   return num_tapes_uploaded;
10526 }
10527
10528 static boolean OfferUploadTapes(void)
10529 {
10530   if (!Request(setup.has_remaining_tapes ?
10531                "Upload missing tapes to the high score server now?" :
10532                "Upload all your tapes to the high score server now?", REQ_ASK))
10533     return FALSE;
10534
10535   // when uploading tapes, make sure that high score server is enabled
10536   runtime.use_api_server = setup.use_api_server = TRUE;
10537
10538   int num_tapes_uploaded = UploadTapes();
10539   char message[100];
10540
10541   if (num_tapes_uploaded < 0)
10542   {
10543     num_tapes_uploaded = -num_tapes_uploaded - 1;
10544
10545     if (num_tapes_uploaded == 0)
10546       sprintf(message, "Upload failed! No tapes uploaded!");
10547     else if (num_tapes_uploaded == 1)
10548       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10549     else
10550       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10551               num_tapes_uploaded);
10552
10553     Request(message, REQ_CONFIRM);
10554
10555     // if uploading tapes failed, add tape upload entry to setup menu
10556     setup.provide_uploading_tapes = TRUE;
10557     setup.has_remaining_tapes = TRUE;
10558
10559     SaveSetup_ServerSetup();
10560
10561     return FALSE;
10562   }
10563
10564   if (num_tapes_uploaded == 0)
10565     sprintf(message, "No tapes uploaded!");
10566   else if (num_tapes_uploaded == 1)
10567     sprintf(message, "1 tape uploaded!");
10568   else
10569     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10570
10571   Request(message, REQ_CONFIRM);
10572
10573   if (num_tapes_uploaded > 0)
10574     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10575
10576   // after all tapes have been uploaded, remove entry from setup menu
10577   setup.provide_uploading_tapes = FALSE;
10578   setup.has_remaining_tapes = FALSE;
10579
10580   SaveSetup_ServerSetup();
10581
10582   return TRUE;
10583 }
10584
10585 static void CheckUploadTapes(void)
10586 {
10587   if (!setup.ask_for_uploading_tapes)
10588     return;
10589
10590   // after asking for uploading tapes, do not ask again
10591   setup.ask_for_uploading_tapes = FALSE;
10592   setup.ask_for_remaining_tapes = FALSE;
10593
10594   if (directoryExists(getTapeDir(NULL)))
10595   {
10596     boolean tapes_uploaded = OfferUploadTapes();
10597
10598     if (!tapes_uploaded)
10599     {
10600       Request(setup.has_remaining_tapes ?
10601               "You can upload missing tapes from the setup menu later!" :
10602               "You can upload your tapes from the setup menu later!",
10603               REQ_CONFIRM);
10604     }
10605   }
10606   else
10607   {
10608     // if tapes directory does not exist yet, never offer uploading all tapes
10609     setup.provide_uploading_tapes = FALSE;
10610   }
10611
10612   SaveSetup_ServerSetup();
10613 }
10614
10615 static void UpgradePlayerUUID(void)
10616 {
10617   ApiResetUUIDAsThread(getUUID());
10618 }
10619
10620 static void CheckUpgradePlayerUUID(void)
10621 {
10622   if (setup.player_version > 1)
10623     return;
10624
10625   UpgradePlayerUUID();
10626 }
10627
10628 void CheckApiServerTasks(void)
10629 {
10630   // check if the player's UUID has to be upgraded
10631   CheckUpgradePlayerUUID();
10632
10633   // check if there are any tapes to be uploaded
10634   CheckUploadTapes();
10635 }