added variable to cleanup code
[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 draw_masked = graphic_info[graphic].draw_masked;
1602   int width  = graphic_info[graphic].width;
1603   int height = graphic_info[graphic].height;
1604   int src_x = graphic_info[graphic].src_x;
1605   int src_y = graphic_info[graphic].src_y;
1606   int dst_x, dst_y;
1607
1608   if (bitmap == NULL)
1609     return;
1610
1611   if (width > WIN_XSIZE)
1612   {
1613     // image width too large for window => center image horizontally
1614     src_x = (width - WIN_XSIZE) / 2;
1615     width = WIN_XSIZE;
1616   }
1617
1618   if (height > WIN_YSIZE)
1619   {
1620     // image height too large for window => center image vertically
1621     src_y = (height - WIN_YSIZE) / 2;
1622     height = WIN_YSIZE;
1623   }
1624
1625   // always display title screens centered
1626   dst_x = (WIN_XSIZE - width) / 2;
1627   dst_y = (WIN_YSIZE - height) / 2;
1628
1629   SetDrawBackgroundMask(REDRAW_ALL);
1630   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1631
1632   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1633
1634   if (DrawingOnBackground(dst_x, dst_y) && draw_masked)
1635     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1636   else
1637     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1638
1639   redraw_mask = REDRAW_ALL;
1640 }
1641
1642 static void DrawTitleScreenMessage(int nr, boolean initial)
1643 {
1644   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1645   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1646
1647   if (filename == NULL)
1648     return;
1649
1650   // force TITLE font on title message screen
1651   SetFontStatus(getTitleMessageGameMode(initial));
1652
1653   // if chars *and* width set to "-1", automatically determine width
1654   if (tmi->chars == -1 && tmi->width == -1)
1655     tmi->width = viewport.window[game_status].width;
1656
1657   // if lines *and* height set to "-1", automatically determine height
1658   if (tmi->lines == -1 && tmi->height == -1)
1659     tmi->height = viewport.window[game_status].height;
1660
1661   // if chars set to "-1", automatically determine by text and font width
1662   if (tmi->chars == -1)
1663     tmi->chars = tmi->width / getFontWidth(tmi->font);
1664   else
1665     tmi->width = tmi->chars * getFontWidth(tmi->font);
1666
1667   // if lines set to "-1", automatically determine by text and font height
1668   if (tmi->lines == -1)
1669     tmi->lines = tmi->height / getFontHeight(tmi->font);
1670   else
1671     tmi->height = tmi->lines * getFontHeight(tmi->font);
1672
1673   // if x set to "-1", automatically determine by width and alignment
1674   if (tmi->x == -1)
1675     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1676
1677   // if y set to "-1", automatically determine by height and alignment
1678   if (tmi->y == -1)
1679     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1680
1681   SetDrawBackgroundMask(REDRAW_ALL);
1682   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1683
1684   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1685
1686   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1687                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1688                tmi->autowrap, tmi->centered, tmi->parse_comments);
1689
1690   ResetFontStatus();
1691 }
1692
1693 static void DrawTitleScreen(void)
1694 {
1695   KeyboardAutoRepeatOff();
1696
1697   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1698 }
1699
1700 static boolean CheckTitleScreen(boolean levelset_has_changed)
1701 {
1702   static boolean show_title_initial = TRUE;
1703   boolean show_titlescreen = FALSE;
1704
1705   // needed to be able to skip title screen, if no image or message defined
1706   InitializeTitleControls(show_title_initial);
1707
1708   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1709     show_titlescreen = TRUE;
1710
1711   // show initial title images and messages only once at program start
1712   show_title_initial = FALSE;
1713
1714   return (show_titlescreen && num_title_screens > 0);
1715 }
1716
1717 void DrawMainMenu(void)
1718 {
1719   static LevelDirTree *leveldir_last_valid = NULL;
1720   boolean levelset_has_changed = FALSE;
1721   int fade_mask = REDRAW_FIELD;
1722
1723   LimitScreenUpdates(FALSE);
1724
1725   FadeSetLeaveScreen();
1726
1727   // do not fade out here -- function may continue and fade on editor screen
1728
1729   UnmapAllGadgets();
1730   FadeMenuSoundsAndMusic();
1731
1732   ExpireSoundLoops(FALSE);
1733
1734   KeyboardAutoRepeatOn();
1735
1736   audio.sound_deactivated = FALSE;
1737
1738   GetPlayerConfig();
1739
1740   // needed if last screen was the playing screen, invoked from level editor
1741   if (level_editor_test_game)
1742   {
1743     CloseDoor(DOOR_CLOSE_ALL);
1744
1745     SetGameStatus(GAME_MODE_EDITOR);
1746
1747     DrawLevelEd();
1748
1749     return;
1750   }
1751
1752   // needed if last screen was the playing screen, invoked from hall of fame
1753   if (score_info_tape_play)
1754   {
1755     CloseDoor(DOOR_CLOSE_ALL);
1756
1757     SetGameStatus(GAME_MODE_SCOREINFO);
1758
1759     DrawScoreInfo(scores.last_entry_nr);
1760
1761     return;
1762   }
1763
1764   // reset flag to continue playing next level from hall of fame
1765   scores.continue_playing = FALSE;
1766
1767   // leveldir_current may be invalid (level group, parent link, node copy)
1768   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1769
1770   if (leveldir_current != leveldir_last_valid)
1771   {
1772     // level setup config may have been loaded to "last played" tree node copy,
1773     // but "leveldir_current" now points to the "original" level set tree node,
1774     // in which case "handicap_level" may still default to the first level
1775     LoadLevelSetup_SeriesInfo();
1776
1777     UpdateLastPlayedLevels_TreeInfo();
1778
1779     levelset_has_changed = TRUE;
1780   }
1781
1782   // store valid level series information
1783   leveldir_last_valid = leveldir_current;
1784
1785   // needed if last screen (level choice) changed graphics, sounds or music
1786   ReloadCustomArtwork(0);
1787
1788   if (CheckTitleScreen(levelset_has_changed))
1789   {
1790     SetGameStatus(GAME_MODE_TITLE);
1791
1792     DrawTitleScreen();
1793
1794     return;
1795   }
1796
1797   if (redraw_mask & REDRAW_ALL)
1798     fade_mask = REDRAW_ALL;
1799
1800   if (CheckFadeAll())
1801     fade_mask = REDRAW_ALL;
1802
1803   FadeOut(fade_mask);
1804
1805   // needed if different viewport properties defined for menues
1806   ChangeViewportPropertiesIfNeeded();
1807
1808   SetDrawtoField(DRAW_TO_BACKBUFFER);
1809
1810   // level_nr may have been set to value over handicap with level editor
1811   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1812     level_nr = leveldir_current->handicap_level;
1813
1814   LoadLevel(level_nr);
1815   LoadScore(level_nr);
1816
1817   SaveLevelSetup_SeriesInfo();
1818
1819   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1820   SetDrawDeactivationMask(REDRAW_NONE);
1821   SetDrawBackgroundMask(REDRAW_FIELD);
1822
1823   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1824
1825 #if 0
1826   if (fade_mask == REDRAW_ALL)
1827     RedrawGlobalBorder();
1828 #endif
1829
1830   ClearField();
1831
1832   InitializeMainControls();
1833
1834   DrawCursorAndText_Main(-1, FALSE, FALSE);
1835   DrawPreviewLevelInitial();
1836   DrawNetworkPlayers();
1837
1838   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1839
1840   TapeStop();
1841   if (TAPE_IS_EMPTY(tape))
1842     LoadTape(level_nr);
1843   DrawCompleteVideoDisplay();
1844
1845   PlayMenuSoundsAndMusic();
1846
1847   // create gadgets for main menu screen
1848   FreeScreenGadgets();
1849   CreateScreenGadgets();
1850
1851   // may be required if audio buttons shown on tape and changed in setup menu
1852   FreeGameButtons();
1853   CreateGameButtons();
1854
1855   // map gadgets for main menu screen
1856   MapTapeButtons();
1857   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1858   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1859   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SET_INFO, hasLevelSetInfo());
1860
1861   // copy actual game door content to door double buffer for OpenDoor()
1862   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1863   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1864
1865   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1866
1867   DrawMaskedBorder(fade_mask);
1868
1869   FadeIn(fade_mask);
1870   FadeSetEnterMenu();
1871
1872   // update screen area with special editor door
1873   redraw_mask |= REDRAW_ALL;
1874   BackToFront();
1875
1876   SetMouseCursor(CURSOR_DEFAULT);
1877
1878   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1879
1880   SyncEmscriptenFilesystem();
1881
1882   // needed once after program start or after user change
1883   CheckApiServerTasks();
1884 }
1885
1886 static void gotoTopLevelDir(void)
1887 {
1888   // move upwards until inside (but not above) top level directory
1889   while (leveldir_current->node_parent &&
1890          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1891   {
1892     // write a "path" into level tree for easy navigation to last level
1893     if (leveldir_current->node_parent->node_group->cl_first == -1)
1894     {
1895       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1896       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1897       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1898       int cl_first, cl_cursor;
1899
1900       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1901       cl_cursor = leveldir_pos - cl_first;
1902
1903       leveldir_current->node_parent->node_group->cl_first = cl_first;
1904       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1905     }
1906
1907     leveldir_current = leveldir_current->node_parent;
1908   }
1909 }
1910
1911 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1912 {
1913   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1914
1915   return (use_frame_counter ? video.frame_counter : Counter());
1916 }
1917
1918 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1919                                      struct TitleFadingInfo *fi)
1920 {
1921   return DelayReachedExt2(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1922 }
1923
1924 static void ResetTitleAutoDelay(unsigned int *counter_var,
1925                                 struct TitleFadingInfo *fi)
1926 {
1927   *counter_var = getAutoDelayCounter(fi);
1928 }
1929
1930 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1931 {
1932   static unsigned int title_delay = 0;
1933   static int title_screen_nr = 0;
1934   static int last_sound = -1, last_music = -1;
1935   boolean return_to_main_menu = FALSE;
1936   struct TitleControlInfo *tci;
1937   int sound, music;
1938
1939   if (button == MB_MENU_INITIALIZE)
1940   {
1941     title_delay = 0;
1942     title_screen_nr = 0;
1943     tci = &title_controls[title_screen_nr];
1944
1945     SetAnimStatus(getTitleAnimMode(tci));
1946
1947     last_sound = SND_UNDEFINED;
1948     last_music = MUS_UNDEFINED;
1949
1950     if (num_title_screens != 0)
1951     {
1952       FadeSetEnterScreen();
1953
1954       // use individual title fading instead of global "enter screen" fading
1955       fading = getTitleFading(tci);
1956     }
1957
1958     if (game_status_last_screen == GAME_MODE_INFO)
1959     {
1960       if (num_title_screens == 0)
1961       {
1962         // switch game mode from title screen mode back to info screen mode
1963         SetGameStatus(GAME_MODE_INFO);
1964
1965         // store that last screen was info screen, not main menu screen
1966         game_status_last_screen = GAME_MODE_INFO;
1967
1968         DrawInfoScreen_NotAvailable("Title screen information:",
1969                                     "No title screen for this level set.");
1970         return;
1971       }
1972     }
1973
1974     FadeMenuSoundsAndMusic();
1975
1976     FadeOut(REDRAW_ALL);
1977
1978     // title screens may have different window size
1979     ChangeViewportPropertiesIfNeeded();
1980
1981     // only required to update logic for redrawing global border
1982     ClearField();
1983
1984     if (tci->is_image)
1985       DrawTitleScreenImage(tci->local_nr, tci->initial);
1986     else
1987       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1988
1989     sound = getTitleSound(tci);
1990     music = getTitleMusic(tci);
1991
1992     if (sound != last_sound)
1993       PlayMenuSoundExt(sound);
1994     if (music != last_music)
1995       PlayMenuMusicExt(music);
1996
1997     last_sound = sound;
1998     last_music = music;
1999
2000     SetMouseCursor(CURSOR_NONE);
2001
2002     FadeIn(REDRAW_ALL);
2003
2004     ResetTitleAutoDelay(&title_delay, &fading);
2005
2006     return;
2007   }
2008
2009   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
2010     button = MB_MENU_CHOICE;
2011
2012   if (button == MB_MENU_LEAVE)
2013   {
2014     return_to_main_menu = TRUE;
2015   }
2016   else if (button == MB_MENU_CHOICE || dx)
2017   {
2018     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
2019     {
2020       SetGameStatus(GAME_MODE_INFO);
2021
2022       info_mode = INFO_MODE_MAIN;
2023
2024       DrawInfoScreen();
2025
2026       return;
2027     }
2028
2029     title_screen_nr +=
2030       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
2031
2032     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
2033     {
2034       tci = &title_controls[title_screen_nr];
2035
2036       SetAnimStatus(getTitleAnimMode(tci));
2037
2038       sound = getTitleSound(tci);
2039       music = getTitleMusic(tci);
2040
2041       if (last_sound != SND_UNDEFINED && sound != last_sound)
2042         FadeSound(last_sound);
2043       if (last_music != MUS_UNDEFINED && music != last_music)
2044         FadeMusic();
2045
2046       fading = getTitleFading(tci);
2047
2048       FadeOut(REDRAW_ALL);
2049
2050       if (tci->is_image)
2051         DrawTitleScreenImage(tci->local_nr, tci->initial);
2052       else
2053         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2054
2055       sound = getTitleSound(tci);
2056       music = getTitleMusic(tci);
2057
2058       if (sound != last_sound)
2059         PlayMenuSoundExt(sound);
2060       if (music != last_music)
2061         PlayMenuMusicExt(music);
2062
2063       last_sound = sound;
2064       last_music = music;
2065
2066       FadeIn(REDRAW_ALL);
2067
2068       ResetTitleAutoDelay(&title_delay, &fading);
2069     }
2070     else
2071     {
2072       FadeMenuSoundsAndMusic();
2073
2074       return_to_main_menu = TRUE;
2075     }
2076   }
2077
2078   if (return_to_main_menu)
2079   {
2080     SetMouseCursor(CURSOR_DEFAULT);
2081
2082     // force full menu screen redraw after displaying title screens
2083     redraw_mask = REDRAW_ALL;
2084
2085     if (game_status_last_screen == GAME_MODE_INFO)
2086     {
2087       SetGameStatus(GAME_MODE_INFO);
2088
2089       info_mode = INFO_MODE_MAIN;
2090
2091       DrawInfoScreen();
2092     }
2093     else        // default: return to main menu
2094     {
2095       SetGameStatus(GAME_MODE_MAIN);
2096
2097       DrawMainMenu();
2098     }
2099   }
2100 }
2101
2102 static void HandleMainMenu_ToggleTeamMode(void)
2103 {
2104   setup.team_mode = !setup.team_mode;
2105
2106   InitializeMainControls();
2107   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2108
2109   DrawPreviewPlayers();
2110 }
2111
2112 static void HandleMainMenu_SelectLevel(int step, int direction,
2113                                        int selected_level_nr)
2114 {
2115   int old_level_nr = level_nr;
2116   int new_level_nr;
2117
2118   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2119     new_level_nr = selected_level_nr;
2120   else
2121     new_level_nr = old_level_nr + step * direction;
2122
2123   if (new_level_nr < leveldir_current->first_level)
2124     new_level_nr = leveldir_current->first_level;
2125   if (new_level_nr > leveldir_current->last_level)
2126     new_level_nr = leveldir_current->last_level;
2127
2128   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2129   {
2130     // skipping levels is only allowed when trying to skip single level
2131     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2132         Request("Level still unsolved! Skip it anyway?", REQ_ASK))
2133     {
2134       leveldir_current->handicap_level++;
2135       SaveLevelSetup_SeriesInfo();
2136     }
2137
2138     new_level_nr = leveldir_current->handicap_level;
2139   }
2140
2141   if (new_level_nr != old_level_nr)
2142   {
2143     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2144
2145     PlaySound(SND_MENU_ITEM_SELECTING);
2146
2147     level_nr = new_level_nr;
2148
2149     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2150              int2str(level_nr, menu.main.text.level_number.size),
2151              mci->pos_text->font);
2152
2153     LoadLevel(level_nr);
2154     DrawPreviewLevelInitial();
2155
2156     TapeErase();
2157     LoadTape(level_nr);
2158     DrawCompleteVideoDisplay();
2159
2160     SaveLevelSetup_SeriesInfo();
2161
2162     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2163
2164     // force redraw of playfield area (may be reset at this point)
2165     redraw_mask |= REDRAW_FIELD;
2166   }
2167 }
2168
2169 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2170 {
2171   static int choice = MAIN_CONTROL_GAME;
2172   static boolean button_pressed_last = FALSE;
2173   boolean button_pressed = FALSE;
2174   int pos = choice;
2175   int i = 0;    // needed to prevent compiler warning due to bad code below
2176
2177   if (button == MB_MENU_INITIALIZE)
2178   {
2179     DrawCursorAndText_Main(choice, TRUE, FALSE);
2180
2181     return;
2182   }
2183
2184   if (mx || my)         // mouse input
2185   {
2186     pos = -1;
2187
2188     for (i = 0; main_controls[i].nr != -1; i++)
2189     {
2190       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2191           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2192           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2193       {
2194         pos = main_controls[i].nr;
2195
2196         break;
2197       }
2198     }
2199
2200     // check if level preview was clicked
2201     if (insidePreviewRect(&preview, mx - SX, my - SY))
2202       pos = MAIN_CONTROL_GAME;
2203
2204     // handle pressed/unpressed state for active/inactive menu buttons
2205     // (if pos != -1, "i" contains index position corresponding to "pos")
2206     if (button &&
2207         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2208         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2209       button_pressed = TRUE;
2210
2211     if (button_pressed != button_pressed_last)
2212     {
2213       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2214
2215       if (button_pressed)
2216         PlaySound(SND_MENU_BUTTON_PRESSING);
2217       else
2218         PlaySound(SND_MENU_BUTTON_RELEASING);
2219     }
2220   }
2221   else if (dx || dy)    // keyboard input
2222   {
2223     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2224                    choice == MAIN_CONTROL_SETUP))
2225       button = MB_MENU_CHOICE;
2226     else if (dy)
2227       pos = choice + dy;
2228   }
2229
2230   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2231   {
2232     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2233   }
2234   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2235   {
2236     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2237   }
2238   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2239   {
2240     CloseDoor(DOOR_CLOSE_2);
2241
2242     SetGameStatus(GAME_MODE_LEVELNR);
2243
2244     DrawChooseLevelNr();
2245   }
2246   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2247   {
2248     if (button)
2249     {
2250       if (pos != choice)
2251       {
2252         PlaySound(SND_MENU_ITEM_ACTIVATING);
2253
2254         DrawCursorAndText_Main(choice, FALSE, FALSE);
2255         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2256
2257         choice = pos;
2258       }
2259       else if (dx != 0)
2260       {
2261         if (choice == MAIN_CONTROL_NAME)
2262         {
2263           // special case: cursor left or right pressed -- toggle team mode
2264           HandleMainMenu_ToggleTeamMode();
2265         }
2266         else if (choice != MAIN_CONTROL_INFO &&
2267                  choice != MAIN_CONTROL_SETUP)
2268         {
2269           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2270         }
2271       }
2272     }
2273     else
2274     {
2275       PlaySound(SND_MENU_ITEM_SELECTING);
2276
2277       if (pos == MAIN_CONTROL_NAME)
2278       {
2279         if ((mx || my) &&
2280             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2281         {
2282           // special case: menu text "name/team" clicked -- toggle team mode
2283           HandleMainMenu_ToggleTeamMode();
2284         }
2285         else
2286         {
2287           if (setup.multiple_users)
2288           {
2289             CloseDoor(DOOR_CLOSE_2);
2290
2291             SetGameStatus(GAME_MODE_NAMES);
2292
2293             DrawChoosePlayerName();
2294           }
2295           else
2296           {
2297             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2298
2299             DrawTypeName();
2300           }
2301         }
2302       }
2303       else if (pos == MAIN_CONTROL_LEVELS)
2304       {
2305         if (leveldir_first)
2306         {
2307           CloseDoor(DOOR_CLOSE_2);
2308
2309           SetGameStatus(GAME_MODE_LEVELS);
2310
2311           SaveLevelSetup_LastSeries();
2312           SaveLevelSetup_SeriesInfo();
2313
2314           // restore level set if chosen from "last played level set" menu
2315           RestoreLastPlayedLevels(&leveldir_current);
2316
2317           if (setup.internal.choose_from_top_leveldir)
2318             gotoTopLevelDir();
2319
2320           DrawChooseLevelSet();
2321         }
2322       }
2323       else if (pos == MAIN_CONTROL_SCORES)
2324       {
2325         CloseDoor(DOOR_CLOSE_2);
2326
2327         SetGameStatus(GAME_MODE_SCORES);
2328
2329         DrawHallOfFame(level_nr);
2330       }
2331       else if (pos == MAIN_CONTROL_EDITOR)
2332       {
2333         if (leveldir_current->readonly &&
2334             setup.editor.show_read_only_warning)
2335           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2336
2337         CloseDoor(DOOR_CLOSE_ALL);
2338
2339         SetGameStatus(GAME_MODE_EDITOR);
2340
2341         FadeSetEnterScreen();
2342
2343         DrawLevelEd();
2344       }
2345       else if (pos == MAIN_CONTROL_INFO)
2346       {
2347         CloseDoor(DOOR_CLOSE_2);
2348
2349         SetGameStatus(GAME_MODE_INFO);
2350
2351         info_mode = INFO_MODE_MAIN;
2352
2353         DrawInfoScreen();
2354       }
2355       else if (pos == MAIN_CONTROL_GAME)
2356       {
2357         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2358       }
2359       else if (pos == MAIN_CONTROL_SETUP)
2360       {
2361         CloseDoor(DOOR_CLOSE_2);
2362
2363         SetGameStatus(GAME_MODE_SETUP);
2364
2365         setup_mode = SETUP_MODE_MAIN;
2366
2367         DrawSetupScreen();
2368       }
2369       else if (pos == MAIN_CONTROL_QUIT)
2370       {
2371         SaveLevelSetup_LastSeries();
2372         SaveLevelSetup_SeriesInfo();
2373
2374 #if defined(PLATFORM_EMSCRIPTEN)
2375         Request("Close the browser window to quit!", REQ_CONFIRM);
2376 #else
2377         if (!setup.ask_on_quit_program ||
2378             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2379           SetGameStatus(GAME_MODE_QUIT);
2380 #endif
2381       }
2382     }
2383   }
2384
2385   button_pressed_last = button_pressed;
2386 }
2387
2388
2389 // ============================================================================
2390 // info screen functions
2391 // ============================================================================
2392
2393 static struct TokenInfo *info_info;
2394 static int num_info_info;       // number of info entries shown on screen
2395 static int max_info_info;       // total number of info entries in list
2396
2397 static void execInfoTitleScreen(void)
2398 {
2399   info_mode = INFO_MODE_TITLE;
2400
2401   DrawInfoScreen();
2402 }
2403
2404 static void execInfoElements(void)
2405 {
2406   info_mode = INFO_MODE_ELEMENTS;
2407
2408   DrawInfoScreen();
2409 }
2410
2411 static void execInfoMusic(void)
2412 {
2413   info_mode = INFO_MODE_MUSIC;
2414
2415   DrawInfoScreen();
2416 }
2417
2418 static void execInfoCredits(void)
2419 {
2420   info_mode = INFO_MODE_CREDITS;
2421
2422   DrawInfoScreen();
2423 }
2424
2425 static void execInfoProgram(void)
2426 {
2427   info_mode = INFO_MODE_PROGRAM;
2428
2429   DrawInfoScreen();
2430 }
2431
2432 static void execInfoVersion(void)
2433 {
2434   info_mode = INFO_MODE_VERSION;
2435
2436   DrawInfoScreen();
2437 }
2438
2439 static void execInfoLevelSet(void)
2440 {
2441   info_mode = INFO_MODE_LEVELSET;
2442
2443   DrawInfoScreen();
2444 }
2445
2446 static void execExitInfo(void)
2447 {
2448   SetGameStatus(GAME_MODE_MAIN);
2449
2450   DrawMainMenu();
2451 }
2452
2453 static struct TokenInfo info_info_main[] =
2454 {
2455   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    STR_INFO_TITLE          },
2456   { TYPE_ENTER_SCREEN,  execInfoElements,       STR_INFO_ELEMENTS       },
2457   { TYPE_ENTER_SCREEN,  execInfoMusic,          STR_INFO_MUSIC          },
2458   { TYPE_ENTER_SCREEN,  execInfoCredits,        STR_INFO_CREDITS        },
2459   { TYPE_ENTER_SCREEN,  execInfoProgram,        STR_INFO_PROGRAM        },
2460   { TYPE_ENTER_SCREEN,  execInfoVersion,        STR_INFO_VERSION        },
2461   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       STR_INFO_LEVELSET       },
2462   { TYPE_EMPTY,         NULL,                   ""                      },
2463   { TYPE_LEAVE_MENU,    execExitInfo,           STR_INFO_EXIT           },
2464
2465   { 0,                  NULL,                   NULL                    }
2466 };
2467
2468 static int getMenuTextFont(int type)
2469 {
2470   if (type & (TYPE_SWITCH       |
2471               TYPE_YES_NO       |
2472               TYPE_YES_NO_AUTO  |
2473               TYPE_STRING       |
2474               TYPE_PLAYER       |
2475               TYPE_ECS_AGA      |
2476               TYPE_KEYTEXT      |
2477               TYPE_ENTER_LIST   |
2478               TYPE_TEXT_INPUT))
2479     return FONT_MENU_2;
2480   else
2481     return FONT_MENU_1;
2482 }
2483
2484 static struct TokenInfo *setup_info;
2485 static struct TokenInfo setup_info_input[];
2486
2487 static struct TokenInfo *menu_info;
2488
2489 static void PlayInfoSound(void)
2490 {
2491   int info_sound = getInfoScreenBackgroundSound_Generic();
2492   char *next_sound = getSoundInfoEntryFilename(info_sound);
2493
2494   if (next_sound != NULL)
2495     PlayMenuSoundExt(info_sound);
2496   else
2497     PlayMenuSound();
2498 }
2499
2500 static void PlayInfoSoundIfLoop(void)
2501 {
2502   int info_sound = getInfoScreenBackgroundSound_Generic();
2503   char *next_sound = getSoundInfoEntryFilename(info_sound);
2504
2505   if (next_sound != NULL)
2506     PlayMenuSoundIfLoopExt(info_sound);
2507   else
2508     PlayMenuSoundIfLoop();
2509 }
2510
2511 static void PlayInfoMusic(void)
2512 {
2513   int info_music = getInfoScreenBackgroundMusic_Generic();
2514   char *curr_music = getCurrentlyPlayingMusicFilename();
2515   char *next_music = getMusicInfoEntryFilename(info_music);
2516
2517   if (next_music != NULL)
2518   {
2519     // play music if info screen music differs from current music
2520     if (!strEqual(curr_music, next_music))
2521       PlayMenuMusicExt(info_music);
2522   }
2523   else
2524   {
2525     // only needed if info screen was directly invoked from main menu
2526     PlayMenuMusic();
2527   }
2528 }
2529
2530 static void PlayInfoSoundsAndMusic(void)
2531 {
2532   PlayInfoSound();
2533   PlayInfoMusic();
2534 }
2535
2536 static void FadeInfoSounds(void)
2537 {
2538   FadeSounds();
2539 }
2540
2541 static void FadeInfoMusic(void)
2542 {
2543   int info_music = getInfoScreenBackgroundMusic_Generic();
2544   char *curr_music = getCurrentlyPlayingMusicFilename();
2545   char *next_music = getMusicInfoEntryFilename(info_music);
2546
2547   if (next_music != NULL)
2548   {
2549     // fade music if info screen music differs from current music
2550     if (!strEqual(curr_music, next_music))
2551       FadeMusic();
2552   }
2553 }
2554
2555 static void FadeInfoSoundsAndMusic(void)
2556 {
2557   FadeInfoSounds();
2558   FadeInfoMusic();
2559 }
2560
2561 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2562                                        int screen_pos, int menu_info_pos_raw,
2563                                        boolean active)
2564 {
2565   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2566   struct TokenInfo *ti = &token_info[pos];
2567   int xpos = MENU_SCREEN_START_XPOS;
2568   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2569   int font_nr = getMenuTextFont(ti->type);
2570
2571   if (setup_mode == SETUP_MODE_INPUT)
2572     font_nr = FONT_MENU_1;
2573
2574   if (active)
2575     font_nr = FONT_ACTIVE(font_nr);
2576
2577   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2578
2579   if (ti->type & ~TYPE_SKIP_ENTRY)
2580     drawCursor(screen_pos, active);
2581 }
2582
2583 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2584                                    boolean active)
2585 {
2586   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2587 }
2588
2589 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2590                                     boolean active)
2591 {
2592   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2593 }
2594
2595 static char *window_size_text;
2596 static char *scaling_type_text;
2597 static char *network_server_text;
2598
2599 static void drawSetupValue(int, int);
2600
2601 static void drawMenuInfoList(int first_entry, int num_page_entries,
2602                              int max_page_entries)
2603 {
2604   int i;
2605
2606   if (first_entry + num_page_entries > max_page_entries)
2607     first_entry = 0;
2608
2609   clearMenuListArea();
2610
2611   for (i = 0; i < num_page_entries; i++)
2612   {
2613     int menu_info_pos = first_entry + i;
2614     struct TokenInfo *si = &menu_info[menu_info_pos];
2615     void *value_ptr = si->value;
2616
2617     // set some entries to "unchangeable" according to other variables
2618     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2619         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2620         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2621         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2622         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2623         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2624       si->type |= TYPE_GHOSTED;
2625
2626     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2627       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2628     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2629       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2630     else if (si->type & ~TYPE_SKIP_ENTRY)
2631       initCursor(i, IMG_MENU_BUTTON);
2632
2633     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2634
2635     if (si->type & TYPE_STRING)
2636     {
2637       int gadget_id = -1;
2638
2639       if (value_ptr == &network_server_text)
2640         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2641
2642       if (gadget_id != -1)
2643       {
2644         struct GadgetInfo *gi = screen_gadget[gadget_id];
2645         int xpos = MENU_SCREEN_START_XPOS;
2646         int ypos = MENU_SCREEN_START_YPOS + i;
2647         int x = mSX + xpos * 32;
2648         int y = mSY + ypos * 32;
2649
2650         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2651       }
2652     }
2653
2654     if (si->type & TYPE_VALUE &&
2655         menu_info == setup_info)
2656       drawSetupValue(i, menu_info_pos);
2657   }
2658 }
2659
2660 static void DrawInfoScreen_Main(void)
2661 {
2662   int fade_mask = REDRAW_FIELD;
2663   int i;
2664
2665   // (needed after displaying info sub-screens directly from main menu)
2666   if (info_screens_from_main)
2667   {
2668     info_screens_from_main = FALSE;
2669
2670     SetGameStatus(GAME_MODE_MAIN);
2671
2672     DrawMainMenu();
2673
2674     return;
2675   }
2676
2677   if (redraw_mask & REDRAW_ALL)
2678     fade_mask = REDRAW_ALL;
2679
2680   if (CheckFadeAll())
2681     fade_mask = REDRAW_ALL;
2682
2683   UnmapAllGadgets();
2684   FadeMenuSoundsAndMusic();
2685
2686   FreeScreenGadgets();
2687   CreateScreenGadgets();
2688
2689   // (needed after displaying title screens which disable auto repeat)
2690   KeyboardAutoRepeatOn();
2691
2692   FadeSetLeaveScreen();
2693
2694   FadeOut(fade_mask);
2695
2696   // needed if different viewport properties defined for info screen
2697   ChangeViewportPropertiesIfNeeded();
2698
2699   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2700
2701   ClearField();
2702
2703   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2704
2705   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_INFO_MAIN);
2706
2707   info_info = info_info_main;
2708
2709   // use modified info screen info without info screen entries marked as hidden
2710   info_info = getSetupInfoFinal(info_info);
2711
2712   // determine maximal number of info entries that can be displayed on screen
2713   num_info_info = 0;
2714   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2715     num_info_info++;
2716
2717   // determine maximal number of info entries available for menu of info screen
2718   max_info_info = 0;
2719   for (i = 0; info_info[i].type != 0; i++)
2720     max_info_info++;
2721
2722   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2723
2724   MapScreenGadgets(max_info_info);
2725
2726   PlayMenuSoundsAndMusic();
2727
2728   DrawMaskedBorder(fade_mask);
2729
2730   FadeIn(fade_mask);
2731 }
2732
2733 static void changeSetupValue(int, int, int);
2734
2735 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2736                              int mode, int num_page_entries,
2737                              int max_page_entries)
2738 {
2739   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2740   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2741   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2742   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2743   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2744   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2745   int *num_page_entries_last = num_page_entries_all_last[game_status];
2746   int *choice_store = choice_stores[game_status];
2747   int *first_entry_store = first_entry_stores[game_status];
2748   int choice = choice_store[mode];              // starts with 0
2749   int first_entry = first_entry_store[mode];    // starts with 0
2750   int x = 0;
2751   int y = choice - first_entry;
2752   int y_old = y;
2753   boolean position_set_by_scrollbar = (dx == 999);
2754   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2755   int i;
2756
2757   if (button == MB_MENU_INITIALIZE)
2758   {
2759     // check if number of menu page entries has changed (may happen by change
2760     // of custom artwork definition value for 'list_size' for this menu screen)
2761     // (in this case, the last menu position most probably has to be corrected)
2762     if (num_page_entries != num_page_entries_last[mode])
2763     {
2764       choice_store[mode] = first_entry_store[mode] = 0;
2765
2766       choice = first_entry = 0;
2767       y = y_old = 0;
2768
2769       num_page_entries_last[mode] = num_page_entries;
2770     }
2771
2772     // advance to first valid menu entry
2773     while (choice < num_page_entries &&
2774            menu_info[choice].type & TYPE_SKIP_ENTRY)
2775       choice++;
2776
2777     if (position_set_by_scrollbar)
2778       first_entry = first_entry_store[mode] = dy;
2779     else
2780       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2781                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2782
2783     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2784
2785     if (choice < first_entry)
2786     {
2787       choice = first_entry;
2788
2789       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2790         choice++;
2791     }
2792     else if (choice > first_entry + num_page_entries - 1)
2793     {
2794       choice = first_entry + num_page_entries - 1;
2795
2796       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2797         choice--;
2798     }
2799
2800     choice_store[mode] = choice;
2801
2802     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2803
2804     return;
2805   }
2806   else if (button == MB_MENU_LEAVE)
2807   {
2808     PlaySound(SND_MENU_ITEM_SELECTING);
2809
2810     for (i = 0; i < max_page_entries; i++)
2811     {
2812       if (menu_info[i].type & TYPE_LEAVE_MENU)
2813       {
2814         void (*menu_callback_function)(void) = menu_info[i].value;
2815
2816         FadeSetLeaveMenu();
2817
2818         menu_callback_function();
2819
2820         break;  // absolutely needed because function changes 'menu_info'!
2821       }
2822     }
2823
2824     return;
2825   }
2826
2827   if (mx || my)         // mouse input
2828   {
2829     x = (mx - mSX) / 32;
2830     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2831   }
2832   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2833   {
2834     // move cursor instead of scrolling when already at start/end of list
2835     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2836       dy = -1;
2837     else if (dy == +1 * SCROLL_LINE &&
2838              first_entry + num_page_entries == max_page_entries)
2839       dy = 1;
2840
2841     // handle scrolling screen one line or page
2842     if (y + dy < 0 ||
2843         y + dy > num_page_entries - 1)
2844     {
2845       boolean redraw = FALSE;
2846
2847       if (ABS(dy) == SCROLL_PAGE)
2848         step = num_page_entries - 1;
2849
2850       if (dy < 0 && first_entry > 0)
2851       {
2852         // scroll page/line up
2853
2854         first_entry -= step;
2855         if (first_entry < 0)
2856           first_entry = 0;
2857
2858         redraw = TRUE;
2859       }
2860       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2861       {
2862         // scroll page/line down
2863
2864         first_entry += step;
2865         if (first_entry + num_page_entries > max_page_entries)
2866           first_entry = MAX(0, max_page_entries - num_page_entries);
2867
2868         redraw = TRUE;
2869       }
2870
2871       if (redraw)
2872       {
2873         choice += first_entry - first_entry_store[mode];
2874
2875         if (choice < first_entry)
2876         {
2877           choice = first_entry;
2878
2879           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2880             choice++;
2881         }
2882         else if (choice > first_entry + num_page_entries - 1)
2883         {
2884           choice = first_entry + num_page_entries - 1;
2885
2886           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2887             choice--;
2888         }
2889         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2890         {
2891           choice += SIGN(dy);
2892
2893           if (choice < first_entry ||
2894               choice > first_entry + num_page_entries - 1)
2895           first_entry += SIGN(dy);
2896         }
2897
2898         first_entry_store[mode] = first_entry;
2899         choice_store[mode] = choice;
2900
2901         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2902
2903         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2904
2905         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2906                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2907       }
2908
2909       return;
2910     }
2911
2912     if (dx)
2913     {
2914       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2915
2916       if (menu_info[choice].type & menu_navigation_type ||
2917           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2918           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2919           menu_info[choice].type & TYPE_PLAYER)
2920         button = MB_MENU_CHOICE;
2921     }
2922     else if (dy)
2923       y += dy;
2924
2925     // jump to next non-empty menu entry (up or down)
2926     while (first_entry + y > 0 &&
2927            first_entry + y < max_page_entries - 1 &&
2928            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2929       y += dy;
2930
2931     if (!IN_VIS_MENU(x, y))
2932     {
2933       choice += y - y_old;
2934
2935       if (choice < first_entry)
2936         first_entry = choice;
2937       else if (choice > first_entry + num_page_entries - 1)
2938         first_entry = choice - num_page_entries + 1;
2939
2940       if (first_entry >= 0 &&
2941           first_entry + num_page_entries <= max_page_entries)
2942       {
2943         first_entry_store[mode] = first_entry;
2944
2945         if (choice < first_entry)
2946           choice = first_entry;
2947         else if (choice > first_entry + num_page_entries - 1)
2948           choice = first_entry + num_page_entries - 1;
2949
2950         choice_store[mode] = choice;
2951
2952         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2953
2954         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2955
2956         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2957                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2958       }
2959
2960       return;
2961     }
2962   }
2963
2964   if (!anyScrollbarGadgetActive() &&
2965       IN_VIS_MENU(x, y) &&
2966       mx < mx_right_border &&
2967       y >= 0 && y < num_page_entries)
2968   {
2969     if (button)
2970     {
2971       if (first_entry + y != choice &&
2972           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2973       {
2974         PlaySound(SND_MENU_ITEM_ACTIVATING);
2975
2976         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2977         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2978
2979         choice = choice_store[mode] = first_entry + y;
2980       }
2981       else if (dx < 0)
2982       {
2983         PlaySound(SND_MENU_ITEM_SELECTING);
2984
2985         for (i = 0; menu_info[i].type != 0; i++)
2986         {
2987           if (menu_info[i].type & TYPE_LEAVE_MENU)
2988           {
2989             void (*menu_callback_function)(void) = menu_info[i].value;
2990
2991             FadeSetLeaveMenu();
2992
2993             menu_callback_function();
2994
2995             // absolutely needed because function changes 'menu_info'!
2996             break;
2997           }
2998         }
2999
3000         return;
3001       }
3002     }
3003     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
3004     {
3005       PlaySound(SND_MENU_ITEM_SELECTING);
3006
3007       // when selecting key headline, execute function for key value change
3008       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
3009           menu_info[first_entry + y + 1].type & TYPE_KEY)
3010         y++;
3011
3012       // when selecting string value, execute function for list selection
3013       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3014           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
3015         y--;
3016
3017       // when selecting string value, execute function for text input gadget
3018       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
3019           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
3020         y--;
3021
3022       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
3023       {
3024         void (*menu_callback_function)(void) =
3025           menu_info[first_entry + y].value;
3026
3027         FadeSetFromType(menu_info[first_entry + y].type);
3028
3029         menu_callback_function();
3030       }
3031       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
3032       {
3033         void (*gadget_callback_function)(void) =
3034           menu_info[first_entry + y].value;
3035
3036         gadget_callback_function();
3037       }
3038       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
3039                menu_info == setup_info)
3040       {
3041         changeSetupValue(y, first_entry + y, dx);
3042       }
3043     }
3044   }
3045 }
3046
3047 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
3048 {
3049   menu_info = info_info;
3050
3051   HandleMenuScreen(mx, my, dx, dy, button,
3052                    info_mode, num_info_info, max_info_info);
3053 }
3054
3055 static int getMenuFontSpacing(int spacing_height, int font_nr)
3056 {
3057   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
3058
3059   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
3060           spacing_height);
3061 }
3062
3063 static int getMenuTextSpacing(int spacing_height, int font_nr)
3064 {
3065   return (getMenuFontSpacing(spacing_height, font_nr) +
3066           EXTRA_SPACING(game_status));
3067 }
3068
3069 static int getMenuTextStep(int spacing_height, int font_nr)
3070 {
3071   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
3072 }
3073
3074 static int getHeadlineSpacing(void)
3075 {
3076   // special compatibility handling for "R'n'D jue 2022" game editions
3077   int spacing_check = menu.headline1_spacing[GAME_MODE_SCOREINFO];
3078   int spacing = (game_status == GAME_MODE_SCOREINFO ?
3079                  menu.headline1_spacing[GAME_MODE_SCOREINFO] :
3080                  menu.headline1_spacing_info[info_mode]);
3081   int font = MENU_INFO_FONT_TITLE;
3082
3083   return (spacing_check != -2 ? getMenuTextStep(spacing, font) : 0);
3084 }
3085
3086 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
3087 {
3088   int font_error = FONT_TEXT_2;
3089   int font_foot  = MENU_INFO_FONT_FOOT;
3090   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3091   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3092
3093   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
3094
3095   FadeOut(REDRAW_FIELD);
3096
3097   ClearField();
3098
3099   DrawInfoScreen_Headline(0, 1, FALSE);
3100
3101   DrawTextSCentered(ystart, font_error, text_error);
3102   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3103
3104   FadeIn(REDRAW_FIELD);
3105 }
3106
3107 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
3108 {
3109   static int infoscreen_step[MAX_INFO_ELEMENTS_IN_ARRAY];
3110   static int infoscreen_frame[MAX_INFO_ELEMENTS_IN_ARRAY];
3111   int font_foot = MENU_INFO_FONT_FOOT;
3112   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
3113   int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3114   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3115   int ystep = MENU_SCREEN_INFO_YSTEP;
3116   int element, action, direction;
3117   int graphic;
3118   int delay;
3119   int sync_frame;
3120   int i, j;
3121
3122   if (init)
3123   {
3124     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
3125       infoscreen_step[i] = infoscreen_frame[i] = 0;
3126
3127     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3128
3129     FrameCounter = 0;
3130   }
3131
3132   i = j = 0;
3133   while (helpanim_info[j].element != HELPANIM_LIST_END)
3134   {
3135     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3136         i >= max_anims)
3137       break;
3138     else if (i < start)
3139     {
3140       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3141         j++;
3142
3143       j++;
3144       i++;
3145
3146       continue;
3147     }
3148
3149     int ypos = i - start;
3150
3151     j += infoscreen_step[ypos];
3152
3153     element = helpanim_info[j].element;
3154     action = helpanim_info[j].action;
3155     direction = helpanim_info[j].direction;
3156
3157     if (element < 0)
3158       element = EL_UNKNOWN;
3159
3160     if (action != -1 && direction != -1)
3161       graphic = el_act_dir2img(element, action, direction);
3162     else if (action != -1)
3163       graphic = el_act2img(element, action);
3164     else if (direction != -1)
3165       graphic = el_dir2img(element, direction);
3166     else
3167       graphic = el2img(element);
3168
3169     delay = helpanim_info[j++].delay;
3170
3171     if (delay == -1)
3172       delay = 1000000;
3173
3174     if (infoscreen_frame[ypos] == 0)
3175     {
3176       sync_frame = 0;
3177       infoscreen_frame[ypos] = delay - 1;
3178     }
3179     else
3180     {
3181       sync_frame = delay - infoscreen_frame[ypos];
3182       infoscreen_frame[ypos]--;
3183     }
3184
3185     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3186     {
3187       if (!infoscreen_frame[ypos])
3188         infoscreen_step[ypos] = 0;
3189     }
3190     else
3191     {
3192       if (!infoscreen_frame[ypos])
3193         infoscreen_step[ypos]++;
3194       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3195         j++;
3196     }
3197
3198     j++;
3199
3200     ClearRectangleOnBackground(drawto, xstart, ystart + ypos * ystep,
3201                                TILEX, TILEY);
3202     DrawFixedGraphicAnimationExt(drawto, xstart, ystart + ypos * ystep,
3203                                  graphic, sync_frame, USE_MASKING);
3204
3205     if (init)
3206       DrawInfoScreen_HelpText(element, action, direction, ypos);
3207
3208     i++;
3209   }
3210
3211   redraw_mask |= REDRAW_FIELD;
3212
3213   FrameCounter++;
3214 }
3215
3216 static char *getHelpText(int element, int action, int direction)
3217 {
3218   char token[MAX_LINE_LEN];
3219
3220   strcpy(token, element_info[element].token_name);
3221
3222   if (action != -1)
3223     strcat(token, element_action_info[action].suffix);
3224
3225   if (direction != -1)
3226     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3227
3228   return getHashEntry(helptext_info, token);
3229 }
3230
3231 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3232 {
3233   int font_nr = FONT_INFO_ELEMENTS;
3234   int font_width = getFontWidth(font_nr);
3235   int font_height = getFontHeight(font_nr);
3236   int yoffset = (TILEX - 2 * font_height) / 2;
3237   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3238   int ystart = mSY + MENU_SCREEN_INFO_YSTART + yoffset + getHeadlineSpacing();
3239   int ystep = TILEY + 4;
3240   int pad_left = xstart - SX;
3241   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3242   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3243   int max_lines_per_text = 2;    
3244   char *text = NULL;
3245
3246   if (action != -1 && direction != -1)          // element.action.direction
3247     text = getHelpText(element, action, direction);
3248
3249   if (text == NULL && action != -1)             // element.action
3250     text = getHelpText(element, action, -1);
3251
3252   if (text == NULL && direction != -1)          // element.direction
3253     text = getHelpText(element, -1, direction);
3254
3255   if (text == NULL)                             // base element
3256     text = getHelpText(element, -1, -1);
3257
3258   if (text == NULL)                             // not found
3259     text = "No description available";
3260
3261   if (strlen(text) <= max_chars_per_line)       // only one line of text
3262     ystart += getFontHeight(font_nr) / 2;
3263
3264   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3265                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3266                  TRUE, FALSE, FALSE);
3267 }
3268
3269 static void DrawInfoScreen_TitleScreen(void)
3270 {
3271   SetGameStatus(GAME_MODE_TITLE);
3272
3273   UnmapAllGadgets();
3274
3275   DrawTitleScreen();
3276 }
3277
3278 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3279 {
3280   HandleTitleScreen(0, 0, dx, dy, button);
3281 }
3282
3283 static void DrawInfoScreen_Elements(void)
3284 {
3285   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3286
3287   UnmapAllGadgets();
3288   FadeInfoSoundsAndMusic();
3289
3290   FadeOut(REDRAW_FIELD);
3291
3292   LoadHelpAnimInfo();
3293   LoadHelpTextInfo();
3294
3295   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3296
3297   PlayInfoSoundsAndMusic();
3298
3299   FadeIn(REDRAW_FIELD);
3300 }
3301
3302 void HandleInfoScreen_Elements(int dx, int dy, int button)
3303 {
3304   static DelayCounter info_delay = { 0 };
3305   static int num_anims;
3306   static int num_pages;
3307   static int page;
3308   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3309   int i;
3310
3311   info_delay.value = GameFrameDelay;
3312
3313   if (button == MB_MENU_INITIALIZE)
3314   {
3315     boolean new_element = TRUE;
3316
3317     num_anims = 0;
3318
3319     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3320     {
3321       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3322         new_element = TRUE;
3323       else if (new_element)
3324       {
3325         num_anims++;
3326         new_element = FALSE;
3327       }
3328     }
3329
3330     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3331     page = 0;
3332   }
3333
3334   if (button == MB_MENU_LEAVE)
3335   {
3336     PlaySound(SND_MENU_ITEM_SELECTING);
3337
3338     info_mode = INFO_MODE_MAIN;
3339     DrawInfoScreen();
3340
3341     return;
3342   }
3343   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3344   {
3345     if (button != MB_MENU_INITIALIZE)
3346     {
3347       PlaySound(SND_MENU_ITEM_SELECTING);
3348
3349       page += (dx < 0 ? -1 : +1);
3350     }
3351
3352     if (page < 0 || page >= num_pages)
3353     {
3354       FadeInfoSoundsAndMusic();
3355
3356       info_mode = INFO_MODE_MAIN;
3357       DrawInfoScreen();
3358
3359       return;
3360     }
3361
3362     if (button != MB_MENU_INITIALIZE)
3363       FadeSetNextScreen();
3364
3365     if (button != MB_MENU_INITIALIZE)
3366       FadeOut(REDRAW_FIELD);
3367
3368     ClearField();
3369
3370     DrawInfoScreen_Headline(page, num_pages, TRUE);
3371     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3372
3373     if (button != MB_MENU_INITIALIZE)
3374       FadeIn(REDRAW_FIELD);
3375   }
3376   else
3377   {
3378     if (DelayReached(&info_delay))
3379       if (page < num_pages)
3380         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3381
3382     PlayInfoSoundIfLoop();
3383   }
3384 }
3385
3386 static void DrawInfoScreen_Music(void)
3387 {
3388   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3389
3390   UnmapAllGadgets();
3391
3392   FadeOut(REDRAW_FIELD);
3393
3394   ClearField();
3395
3396   DrawInfoScreen_Headline(0, 1, TRUE);
3397
3398   LoadMusicInfo();
3399
3400   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3401
3402   FadeIn(REDRAW_FIELD);
3403 }
3404
3405 void HandleInfoScreen_Music(int dx, int dy, int button)
3406 {
3407   static struct MusicFileInfo *list = NULL;
3408   static int num_screens = 0;
3409   static int screen_nr = 0;
3410   int font_title = MENU_INFO_FONT_TITLE;
3411   int font_head  = MENU_INFO_FONT_HEAD;
3412   int font_text  = MENU_INFO_FONT_TEXT;
3413   int font_foot  = MENU_INFO_FONT_FOOT;
3414   int spacing_head = menu.headline2_spacing_info[info_mode];
3415   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3416   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3417   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3418
3419   if (button == MB_MENU_INITIALIZE)
3420   {
3421     struct MusicFileInfo *list_ptr = music_file_info;
3422
3423     num_screens = 0;
3424     screen_nr = 0;
3425
3426     while (list_ptr != NULL)
3427     {
3428       list_ptr = list_ptr->next;
3429       num_screens++;
3430     }
3431
3432     list = music_file_info;
3433
3434     if (list == NULL)
3435     {
3436       FadeMenuSoundsAndMusic();
3437
3438       ClearField();
3439
3440       DrawInfoScreen_Headline(0, 1, TRUE);
3441
3442       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3443       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3444
3445       return;
3446     }
3447   }
3448
3449   if (button == MB_MENU_LEAVE)
3450   {
3451     PlaySound(SND_MENU_ITEM_SELECTING);
3452
3453     FadeMenuSoundsAndMusic();
3454
3455     info_mode = INFO_MODE_MAIN;
3456     DrawInfoScreen();
3457
3458     return;
3459   }
3460   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3461   {
3462     if (button != MB_MENU_INITIALIZE)
3463     {
3464       PlaySound(SND_MENU_ITEM_SELECTING);
3465
3466       if (list != NULL)
3467       {
3468         list = (dx < 0 ? list->prev : list->next);
3469         screen_nr += (dx < 0 ? -1 : +1);
3470       }
3471     }
3472
3473     if (list == NULL)
3474     {
3475       FadeMenuSoundsAndMusic();
3476
3477       info_mode = INFO_MODE_MAIN;
3478       DrawInfoScreen();
3479
3480       return;
3481     }
3482
3483     FadeMenuSoundsAndMusic();
3484
3485     if (list != music_file_info)
3486       FadeSetNextScreen();
3487
3488     if (button != MB_MENU_INITIALIZE)
3489       FadeOut(REDRAW_FIELD);
3490
3491     ClearField();
3492
3493     DrawInfoScreen_Headline(screen_nr, num_screens, TRUE);
3494
3495     if (list->is_sound)
3496     {
3497       int sound = list->music;
3498
3499       if (IS_LOOP_SOUND(sound))
3500         PlaySoundLoop(sound);
3501       else
3502         PlaySound(sound);
3503     }
3504     else
3505     {
3506       int music = list->music;
3507
3508       if (IS_LOOP_MUSIC(music))
3509         PlayMusicLoop(music);
3510       else
3511         PlayMusic(music);
3512     }
3513
3514     if (!strEqual(list->title, UNKNOWN_NAME))
3515     {
3516       if (!strEqual(list->title_header, UNKNOWN_NAME))
3517         DrawTextSCentered(ystart, font_head, list->title_header);
3518       else
3519         DrawTextSCentered(ystart, font_head, "Track");
3520
3521       ystart += ystep_head;
3522
3523       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3524       ystart += ystep_head;
3525     }
3526
3527     if (!strEqual(list->artist, UNKNOWN_NAME))
3528     {
3529       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3530         DrawTextSCentered(ystart, font_head, list->artist_header);
3531       else
3532         DrawTextSCentered(ystart, font_head, "by");
3533
3534       ystart += ystep_head;
3535
3536       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3537       ystart += ystep_head;
3538     }
3539
3540     if (!strEqual(list->album, UNKNOWN_NAME))
3541     {
3542       if (!strEqual(list->album_header, UNKNOWN_NAME))
3543         DrawTextSCentered(ystart, font_head, list->album_header);
3544       else
3545         DrawTextSCentered(ystart, font_head, "from the album");
3546
3547       ystart += ystep_head;
3548
3549       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3550       ystart += ystep_head;
3551     }
3552
3553     if (!strEqual(list->year, UNKNOWN_NAME))
3554     {
3555       if (!strEqual(list->year_header, UNKNOWN_NAME))
3556         DrawTextSCentered(ystart, font_head, list->year_header);
3557       else
3558         DrawTextSCentered(ystart, font_head, "from the year");
3559
3560       ystart += ystep_head;
3561
3562       DrawTextFCentered(ystart, font_text, "%s", list->year);
3563       ystart += ystep_head;
3564     }
3565
3566     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3567
3568     if (button != MB_MENU_INITIALIZE)
3569       FadeIn(REDRAW_FIELD);
3570   }
3571
3572   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3573     PlaySoundLoop(list->music);
3574 }
3575
3576 static void DrawInfoScreen_Version(void)
3577 {
3578   int font_head = MENU_INFO_FONT_HEAD;
3579   int font_text = MENU_INFO_FONT_TEXT;
3580   int font_foot = MENU_INFO_FONT_FOOT;
3581   int spacing_head = menu.headline2_spacing_info[info_mode];
3582   int spacing_para = menu.paragraph_spacing_info[info_mode];
3583   int spacing_line = menu.line_spacing_info[info_mode];
3584   int xstep = getFontWidth(font_text);
3585   int ystep_head = getMenuTextStep(spacing_head,  font_head);
3586   int ystep_para = getMenuTextStep(spacing_para,  font_text);
3587   int ystep_line = getMenuTextStep(spacing_line,  font_text);
3588   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3589   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3590   int xstart1 = mSX - SX + 2 * xstep;
3591   int xstart2 = mSX - SX + 18 * xstep;
3592   int xstart3 = mSX - SX + 28 * xstep;
3593   SDL_version sdl_version_compiled;
3594   const SDL_version *sdl_version_linked;
3595   int driver_name_len = 10;
3596   SDL_version sdl_version_linked_ext;
3597   const char *driver_name = NULL;
3598
3599   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3600
3601   UnmapAllGadgets();
3602   FadeInfoSoundsAndMusic();
3603
3604   FadeOut(REDRAW_FIELD);
3605
3606   ClearField();
3607
3608   DrawInfoScreen_Headline(0, 1, TRUE);
3609
3610   DrawTextF(xstart1, ystart, font_head, "Name");
3611   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3612   ystart += ystep_line;
3613
3614   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3615   {
3616     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3617     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3618     ystart += ystep_line;
3619
3620     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3621     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3622     ystart += ystep_line;
3623   }
3624   else
3625   {
3626     DrawTextF(xstart1, ystart, font_head, "Version");
3627     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3628     ystart += ystep_line;
3629   }
3630
3631   DrawTextF(xstart1, ystart, font_head, "Platform");
3632   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3633             PLATFORM_STRING,
3634             PLATFORM_XX_BIT_STRING);
3635   ystart += ystep_line;
3636
3637   DrawTextF(xstart1, ystart, font_head, "Target");
3638   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3639   ystart += ystep_line;
3640
3641   DrawTextF(xstart1, ystart, font_head, "Source date");
3642   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3643   ystart += ystep_line;
3644
3645   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3646   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3647   ystart += ystep_para;
3648
3649   DrawTextF(xstart1, ystart, font_head, "Library");
3650   DrawTextF(xstart2, ystart, font_head, "compiled");
3651   DrawTextF(xstart3, ystart, font_head, "linked");
3652   ystart += ystep_head;
3653
3654   SDL_VERSION(&sdl_version_compiled);
3655   SDL_GetVersion(&sdl_version_linked_ext);
3656   sdl_version_linked = &sdl_version_linked_ext;
3657
3658   DrawTextF(xstart1, ystart, font_text, "SDL");
3659   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3660             sdl_version_compiled.major,
3661             sdl_version_compiled.minor,
3662             sdl_version_compiled.patch);
3663   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3664             sdl_version_linked->major,
3665             sdl_version_linked->minor,
3666             sdl_version_linked->patch);
3667   ystart += ystep_line;
3668
3669   SDL_IMAGE_VERSION(&sdl_version_compiled);
3670   sdl_version_linked = IMG_Linked_Version();
3671
3672   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3673   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3674             sdl_version_compiled.major,
3675             sdl_version_compiled.minor,
3676             sdl_version_compiled.patch);
3677   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3678             sdl_version_linked->major,
3679             sdl_version_linked->minor,
3680             sdl_version_linked->patch);
3681   ystart += ystep_line;
3682
3683   SDL_MIXER_VERSION(&sdl_version_compiled);
3684   sdl_version_linked = Mix_Linked_Version();
3685
3686   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3687   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3688             sdl_version_compiled.major,
3689             sdl_version_compiled.minor,
3690             sdl_version_compiled.patch);
3691   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3692             sdl_version_linked->major,
3693             sdl_version_linked->minor,
3694             sdl_version_linked->patch);
3695   ystart += ystep_line;
3696
3697   SDL_NET_VERSION(&sdl_version_compiled);
3698   sdl_version_linked = SDLNet_Linked_Version();
3699
3700   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3701   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3702             sdl_version_compiled.major,
3703             sdl_version_compiled.minor,
3704             sdl_version_compiled.patch);
3705   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3706             sdl_version_linked->major,
3707             sdl_version_linked->minor,
3708             sdl_version_linked->patch);
3709   ystart += ystep_para;
3710
3711   DrawTextF(xstart1, ystart, font_head, "Driver");
3712   DrawTextF(xstart2, ystart, font_head, "Requested");
3713   DrawTextF(xstart3, ystart, font_head, "Used");
3714   ystart += ystep_head;
3715
3716   driver_name =
3717     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3718
3719   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3720   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3721   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3722   ystart += ystep_line;
3723
3724   driver_name =
3725     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3726
3727   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3728   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3729   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3730   ystart += ystep_line;
3731
3732   driver_name =
3733     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3734
3735   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3736   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3737   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3738
3739   DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3740
3741   PlayInfoSoundsAndMusic();
3742
3743   FadeIn(REDRAW_FIELD);
3744 }
3745
3746 void HandleInfoScreen_Version(int button)
3747 {
3748   if (button == MB_MENU_LEAVE)
3749   {
3750     PlaySound(SND_MENU_ITEM_SELECTING);
3751
3752     info_mode = INFO_MODE_MAIN;
3753     DrawInfoScreen();
3754
3755     return;
3756   }
3757   else if (button == MB_MENU_CHOICE)
3758   {
3759     PlaySound(SND_MENU_ITEM_SELECTING);
3760
3761     FadeMenuSoundsAndMusic();
3762
3763     info_mode = INFO_MODE_MAIN;
3764     DrawInfoScreen();
3765   }
3766   else
3767   {
3768     PlayMenuSoundIfLoop();
3769   }
3770 }
3771
3772 static char *getInfoScreenTitle_Generic(void)
3773 {
3774   return (info_mode == INFO_MODE_MAIN     ? STR_INFO_MAIN     :
3775           info_mode == INFO_MODE_TITLE    ? STR_INFO_TITLE    :
3776           info_mode == INFO_MODE_ELEMENTS ? STR_INFO_ELEMENTS :
3777           info_mode == INFO_MODE_MUSIC    ? STR_INFO_MUSIC    :
3778           info_mode == INFO_MODE_CREDITS  ? STR_INFO_CREDITS  :
3779           info_mode == INFO_MODE_PROGRAM  ? STR_INFO_PROGRAM  :
3780           info_mode == INFO_MODE_VERSION  ? STR_INFO_VERSION  :
3781           info_mode == INFO_MODE_LEVELSET ? STR_INFO_LEVELSET :
3782           "");
3783 }
3784
3785 static int getInfoScreenBackgroundImage_Generic(void)
3786 {
3787   return (info_mode == INFO_MODE_ELEMENTS ? IMG_BACKGROUND_INFO_ELEMENTS :
3788           info_mode == INFO_MODE_MUSIC    ? IMG_BACKGROUND_INFO_MUSIC    :
3789           info_mode == INFO_MODE_CREDITS  ? IMG_BACKGROUND_INFO_CREDITS  :
3790           info_mode == INFO_MODE_PROGRAM  ? IMG_BACKGROUND_INFO_PROGRAM  :
3791           info_mode == INFO_MODE_VERSION  ? IMG_BACKGROUND_INFO_VERSION  :
3792           info_mode == INFO_MODE_LEVELSET ? IMG_BACKGROUND_INFO_LEVELSET :
3793           IMG_BACKGROUND_INFO);
3794 }
3795
3796 static int getInfoScreenBackgroundSound_Generic(void)
3797 {
3798   return (info_mode == INFO_MODE_ELEMENTS ? SND_BACKGROUND_INFO_ELEMENTS :
3799           info_mode == INFO_MODE_CREDITS  ? SND_BACKGROUND_INFO_CREDITS  :
3800           info_mode == INFO_MODE_PROGRAM  ? SND_BACKGROUND_INFO_PROGRAM  :
3801           info_mode == INFO_MODE_VERSION  ? SND_BACKGROUND_INFO_VERSION  :
3802           info_mode == INFO_MODE_LEVELSET ? SND_BACKGROUND_INFO_LEVELSET :
3803           SND_BACKGROUND_INFO);
3804 }
3805
3806 static int getInfoScreenBackgroundMusic_Generic(void)
3807 {
3808   return (info_mode == INFO_MODE_ELEMENTS ? MUS_BACKGROUND_INFO_ELEMENTS :
3809           info_mode == INFO_MODE_CREDITS  ? MUS_BACKGROUND_INFO_CREDITS  :
3810           info_mode == INFO_MODE_PROGRAM  ? MUS_BACKGROUND_INFO_PROGRAM  :
3811           info_mode == INFO_MODE_VERSION  ? MUS_BACKGROUND_INFO_VERSION  :
3812           info_mode == INFO_MODE_LEVELSET ? MUS_BACKGROUND_INFO_LEVELSET :
3813           MUS_BACKGROUND_INFO);
3814 }
3815
3816 static char *getInfoScreenFilename_Generic(int nr, boolean global)
3817 {
3818   return (info_mode == INFO_MODE_CREDITS  ? getCreditsFilename(nr, global) :
3819           info_mode == INFO_MODE_PROGRAM  ? getProgramInfoFilename(nr)     :
3820           info_mode == INFO_MODE_LEVELSET ? getLevelSetInfoFilename(nr)    :
3821           NULL);
3822 }
3823
3824 static void DrawInfoScreen_GenericScreen(int screen_nr, int num_screens,
3825                                          int use_global_screens)
3826 {
3827   char *filename = getInfoScreenFilename_Generic(screen_nr, use_global_screens);
3828   int font_text = MENU_INFO_FONT_TEXT;
3829   int font_foot = MENU_INFO_FONT_FOOT;
3830   int spacing_line = menu.line_spacing_info[info_mode];
3831   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3832
3833   ClearField();
3834
3835   DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3836
3837   if (info_mode == INFO_MODE_CREDITS ||
3838       info_mode == INFO_MODE_PROGRAM)
3839   {
3840     int width = SXSIZE;
3841     int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART;
3842     int chars = width / getFontWidth(font_text);
3843     int lines = height / getFontHeight(font_text);
3844     int padx = (width - chars * getFontWidth(font_text)) / 2;
3845     int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3846     int xstart = mSX + padx;
3847     int ystart = mSY + MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3848     boolean autowrap = FALSE;
3849     boolean centered = TRUE;
3850     boolean parse_comments = TRUE;
3851
3852     DrawTextFile(xstart, ystart,
3853                  filename, font_text, chars, -1, lines, line_spacing, -1,
3854                  autowrap, centered, parse_comments);
3855   }
3856   else if (info_mode == INFO_MODE_LEVELSET)
3857   {
3858     struct TitleMessageInfo *tmi = &readme;
3859
3860     // if x position set to "-1", automatically determine by playfield width
3861     if (tmi->x == -1)
3862       tmi->x = SXSIZE / 2;
3863
3864     // if y position set to "-1", use static default value
3865     if (tmi->y == -1)
3866       tmi->y = MENU_SCREEN_INFO_YSTART + getHeadlineSpacing();
3867
3868     // if width set to "-1", automatically determine by playfield width
3869     if (tmi->width == -1)
3870       tmi->width = SXSIZE - 2 * TILEX;
3871
3872     // if height set to "-1", automatically determine by playfield height
3873     if (tmi->height == -1)
3874       tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3875
3876     // if chars set to "-1", automatically determine by text and font width
3877     if (tmi->chars == -1)
3878       tmi->chars = tmi->width / getFontWidth(tmi->font);
3879     else
3880       tmi->width = tmi->chars * getFontWidth(tmi->font);
3881
3882     // if lines set to "-1", automatically determine by text and font height
3883     if (tmi->lines == -1)
3884       tmi->lines = tmi->height / getFontHeight(tmi->font);
3885     else
3886       tmi->height = tmi->lines * getFontHeight(tmi->font);
3887
3888     DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3889                  filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3890                  tmi->autowrap, tmi->centered, tmi->parse_comments);
3891   }
3892
3893   boolean last_screen = (screen_nr == num_screens - 1);
3894   char *text_foot = (last_screen ? TEXT_NEXT_MENU : TEXT_NEXT_PAGE);
3895
3896   DrawTextSCentered(ybottom, font_foot, text_foot);
3897 }
3898
3899 static void DrawInfoScreen_Generic(void)
3900 {
3901   SetMainBackgroundImageIfDefined(getInfoScreenBackgroundImage_Generic());
3902
3903   UnmapAllGadgets();
3904   FadeInfoSoundsAndMusic();
3905
3906   FadeOut(REDRAW_FIELD);
3907
3908   HandleInfoScreen_Generic(0, 0, MB_MENU_INITIALIZE);
3909
3910   PlayInfoSoundsAndMusic();
3911
3912   FadeIn(REDRAW_FIELD);
3913 }
3914
3915 void HandleInfoScreen_Generic(int dx, int dy, int button)
3916 {
3917   static char *text_no_info = "";
3918   static int num_screens = 0;
3919   static int screen_nr = 0;
3920   static boolean use_global_screens = FALSE;
3921
3922   if (button == MB_MENU_INITIALIZE)
3923   {
3924     num_screens = 0;
3925     screen_nr = 0;
3926
3927     if (info_mode == INFO_MODE_CREDITS)
3928     {
3929       int i;
3930
3931       for (i = 0; i < 2; i++)
3932       {
3933         use_global_screens = i;         // check for "FALSE", then "TRUE"
3934
3935         // determine number of (global or level set specific) credits screens
3936         while (getCreditsFilename(num_screens, use_global_screens) != NULL)
3937           num_screens++;
3938
3939         if (num_screens > 0)
3940           break;
3941       }
3942
3943       text_no_info = "No credits available.";
3944     }
3945     else if (info_mode == INFO_MODE_PROGRAM)
3946     {
3947       use_global_screens = TRUE;
3948
3949       // determine number of program info screens
3950       while (getProgramInfoFilename(num_screens) != NULL)
3951         num_screens++;
3952
3953       text_no_info = "No program info available.";
3954     }
3955     else if (info_mode == INFO_MODE_LEVELSET)
3956     {
3957       use_global_screens = FALSE;
3958
3959       // determine number of levelset info screens
3960       while (getLevelSetInfoFilename(num_screens) != NULL)
3961         num_screens++;
3962
3963       text_no_info = "No level set info available.";
3964     }
3965
3966     if (num_screens == 0)
3967     {
3968       int font_title = MENU_INFO_FONT_TITLE;
3969       int font_foot  = MENU_INFO_FONT_FOOT;
3970       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART;
3971       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3972
3973       ClearField();
3974
3975       DrawInfoScreen_Headline(screen_nr, num_screens, use_global_screens);
3976
3977       DrawTextSCentered(ystart, font_title, text_no_info);
3978       DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_MENU);
3979
3980       return;
3981     }
3982
3983     DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
3984   }
3985   else if (button == MB_MENU_LEAVE)
3986   {
3987     PlaySound(SND_MENU_ITEM_SELECTING);
3988
3989     info_mode = INFO_MODE_MAIN;
3990     DrawInfoScreen();
3991   }
3992   else if (button == MB_MENU_CHOICE || dx)
3993   {
3994     PlaySound(SND_MENU_ITEM_SELECTING);
3995
3996     screen_nr += (dx < 0 ? -1 : +1);
3997
3998     if (screen_nr < 0 || screen_nr >= num_screens)
3999     {
4000       FadeInfoSoundsAndMusic();
4001
4002       info_mode = INFO_MODE_MAIN;
4003       DrawInfoScreen();
4004     }
4005     else
4006     {
4007       FadeSetNextScreen();
4008
4009       FadeOut(REDRAW_FIELD);
4010
4011       DrawInfoScreen_GenericScreen(screen_nr, num_screens, use_global_screens);
4012
4013       FadeIn(REDRAW_FIELD);
4014     }
4015   }
4016   else
4017   {
4018     PlayInfoSoundIfLoop();
4019   }
4020 }
4021
4022 static void DrawInfoScreen(void)
4023 {
4024   if (info_mode == INFO_MODE_TITLE)
4025     DrawInfoScreen_TitleScreen();
4026   else if (info_mode == INFO_MODE_ELEMENTS)
4027     DrawInfoScreen_Elements();
4028   else if (info_mode == INFO_MODE_MUSIC)
4029     DrawInfoScreen_Music();
4030   else if (info_mode == INFO_MODE_CREDITS)
4031     DrawInfoScreen_Generic();
4032   else if (info_mode == INFO_MODE_PROGRAM)
4033     DrawInfoScreen_Generic();
4034   else if (info_mode == INFO_MODE_VERSION)
4035     DrawInfoScreen_Version();
4036   else if (info_mode == INFO_MODE_LEVELSET)
4037     DrawInfoScreen_Generic();
4038   else
4039     DrawInfoScreen_Main();
4040 }
4041
4042 void DrawInfoScreen_FromMainMenu(int nr)
4043 {
4044   int fade_mask = REDRAW_FIELD;
4045
4046   if (nr < INFO_MODE_MAIN || nr >= MAX_INFO_MODES)
4047     return;
4048
4049   CloseDoor(DOOR_CLOSE_2);
4050
4051   SetGameStatus(GAME_MODE_INFO);
4052
4053   info_mode = nr;
4054   info_screens_from_main = TRUE;
4055
4056   if (redraw_mask & REDRAW_ALL)
4057     fade_mask = REDRAW_ALL;
4058
4059   if (CheckFadeAll())
4060     fade_mask = REDRAW_ALL;
4061
4062   UnmapAllGadgets();
4063   FadeMenuSoundsAndMusic();
4064
4065   FadeSetEnterScreen();
4066
4067   FadeOut(fade_mask);
4068
4069   FadeSkipNextFadeOut();
4070
4071   // needed if different viewport properties defined for info screen
4072   ChangeViewportPropertiesIfNeeded();
4073
4074   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
4075
4076   DrawInfoScreen();
4077 }
4078
4079 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4080 {
4081   if (info_mode == INFO_MODE_TITLE)
4082     HandleInfoScreen_TitleScreen(dx, dy, button);
4083   else if (info_mode == INFO_MODE_ELEMENTS)
4084     HandleInfoScreen_Elements(dx, dy, button);
4085   else if (info_mode == INFO_MODE_MUSIC)
4086     HandleInfoScreen_Music(dx, dy, button);
4087   else if (info_mode == INFO_MODE_CREDITS)
4088     HandleInfoScreen_Generic(dx, dy, button);
4089   else if (info_mode == INFO_MODE_PROGRAM)
4090     HandleInfoScreen_Generic(dx, dy, button);
4091   else if (info_mode == INFO_MODE_VERSION)
4092     HandleInfoScreen_Version(button);
4093   else if (info_mode == INFO_MODE_LEVELSET)
4094     HandleInfoScreen_Generic(dx, dy, button);
4095   else
4096     HandleInfoScreen_Main(mx, my, dx, dy, button);
4097 }
4098
4099
4100 // ============================================================================
4101 // type name functions
4102 // ============================================================================
4103
4104 static TreeInfo *type_name_node = NULL;
4105 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4106 static int type_name_nr = 0;
4107
4108 static int getPlayerNameColor(char *name)
4109 {
4110   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4111 }
4112
4113 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4114                              boolean active)
4115 {
4116   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4117   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4118   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4119   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4120   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4121   int font_width = getFontWidth(font_nr);
4122   int font_xoffset = getFontDrawOffsetX(font_nr);
4123   int font_yoffset = getFontDrawOffsetY(font_nr);
4124   int font_sx = sx + font_xoffset;
4125   int font_sy = sy + font_yoffset;
4126
4127   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4128
4129   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4130
4131   pos->width = strlen(text) * font_width;
4132   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4133
4134   DrawText(sx, sy, text, font_nr);
4135 }
4136
4137 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4138 {
4139   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4140
4141   *pos = *mci->pos_input;
4142
4143   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4144   {
4145     TreeInfo *ti = player_name_current;
4146     int first_entry = ti->cl_first;
4147     int entry_pos = first_entry + ti->cl_cursor;
4148     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4149     int xpos = MENU_SCREEN_START_XPOS;
4150     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4151
4152     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4153     type_name_nr = entry_pos;
4154
4155     strcpy(name, type_name_node->name);
4156
4157     pos->x = xpos * 32;
4158     pos->y = ypos * 32;
4159     pos->width = MAX_PLAYER_NAME_LEN * 32;
4160   }
4161   else
4162   {
4163     type_name_nr = user.nr;
4164
4165     strcpy(name, setup.player_name);
4166   }
4167
4168   strcpy(type_name_last, name);
4169
4170   if (strEqual(name, EMPTY_PLAYER_NAME))
4171     strcpy(name, "");
4172
4173   *xpos = strlen(name);
4174 }
4175
4176 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4177 {
4178   // change name of edited user in global list of user names
4179   setString(&global.user_names[type_name_nr], name);
4180
4181   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4182   {
4183     TreeInfo *node = type_name_node;
4184
4185     // change name of edited user in local menu tree structure
4186     setString(&node->name, name);
4187     setString(&node->name_sorting, name);
4188
4189     node->color = getPlayerNameColor(name);
4190     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4191   }
4192 }
4193
4194 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4195                               boolean changed)
4196 {
4197   boolean reset_setup = strEqual(name, "");
4198   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4199   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4200
4201   if (!changed)
4202     strcpy(name, type_name_last);
4203
4204   if (strEqual(name, ""))
4205     strcpy(name, EMPTY_PLAYER_NAME);
4206
4207   setTypeNameValues_Name(name, pos);
4208
4209   // if player name not changed, no further action required
4210   if (strEqual(name, type_name_last))
4211     return;
4212
4213   // redraw player name before (possibly) opening request dialogs
4214   drawTypeNameText(name, pos, FALSE);
4215
4216   int last_user_nr = user.nr;
4217
4218   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4219   {
4220     // save setup of currently active user (may differ from edited user)
4221     SaveSetup();
4222
4223     // temporarily change active user to edited user
4224     user.nr = type_name_nr;
4225
4226     if (create_user &&
4227         Request("Use current setup values for the new player?", REQ_ASK))
4228     {
4229       // use current setup values for new user, but create new player UUID
4230       setup.player_uuid = getStringCopy(getUUID());
4231     }
4232     else
4233     {
4234       // load setup for existing user (or start with defaults for new user)
4235       LoadSetup();
4236     }
4237   }
4238
4239   char *setup_filename = getSetupFilename();
4240   boolean setup_exists = fileExists(setup_filename);
4241
4242   // change name of edited user in setup structure
4243   strcpy(setup.player_name, name);
4244
4245   // save setup of edited user
4246   SaveSetup();
4247
4248   // change name of edited user on score server
4249   ApiRenamePlayerAsThread();
4250
4251   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4252   {
4253     if (reset_setup)
4254     {
4255       if (Request("Reset setup values for this player?", REQ_ASK))
4256       {
4257         // remove setup config file
4258         unlink(setup_filename);
4259
4260         // set player name to default player name
4261         LoadSetup();
4262
4263         // update player name used by name typing functions
4264         strcpy(name, setup.player_name);
4265
4266         setTypeNameValues_Name(name, pos);
4267       }
4268     }
4269     else if (remove_user && type_name_nr != 0)
4270     {
4271       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4272       {
4273         char *user_dir = getUserGameDataDir();
4274         char *user_dir_removed =
4275           getStringCat3WithSeparator(user_dir, "REMOVED",
4276                                      getCurrentTimestamp(), ".");
4277
4278         if (rename(user_dir, user_dir_removed) != 0)
4279           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4280
4281         checked_free(user_dir_removed);
4282       }
4283     }
4284     else if (create_user && type_name_nr != 0 && !setup_exists)
4285     {
4286       if (Request("Create empty level set for the new player?", REQ_ASK))
4287       {
4288         char *levelset_subdir = getNewUserLevelSubdir();
4289
4290         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4291         {
4292           AddUserLevelSetToLevelInfo(levelset_subdir);
4293
4294           LevelDirTree *leveldir_current_last = leveldir_current;
4295
4296           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4297                                                        levelset_subdir);
4298
4299           // set level number of newly created level set to default value
4300           LoadLevelSetup_SeriesInfo();
4301
4302           // set newly created level set as current level set for new user
4303           SaveLevelSetup_LastSeries();
4304           SaveLevelSetup_SeriesInfo();
4305
4306           leveldir_current = leveldir_current_last;
4307         }
4308         else
4309         {
4310           Request("Creating new level set failed!", REQ_CONFIRM);
4311         }
4312       }
4313     }
4314
4315     // restore currently active user
4316     user.nr = last_user_nr;
4317
4318     // restore setup of currently active user
4319     LoadSetup();
4320
4321     // restore last level set of currently active user
4322     LoadLevelSetup_LastSeries();
4323     LoadLevelSetup_SeriesInfo();
4324   }
4325 }
4326
4327 static void HandleTypeNameExt(boolean initialize, Key key)
4328 {
4329   static struct TextPosInfo pos_name = { 0 };
4330   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4331   static int xpos = 0;
4332   struct TextPosInfo *pos = &pos_name;
4333   char key_char = getValidConfigValueChar(getCharFromKey(key));
4334   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4335   boolean active = TRUE;
4336
4337   if (initialize)
4338   {
4339     getTypeNameValues(name, pos, &xpos);
4340
4341     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4342     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4343
4344     StartTextInput(sx, sy, pos->width, pos->height);
4345   }
4346   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4347   {
4348     name[xpos] = key_char;
4349     name[xpos + 1] = 0;
4350
4351     xpos++;
4352   }
4353   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4354   {
4355     xpos--;
4356
4357     name[xpos] = 0;
4358   }
4359   else if (key == KSYM_Return || key == KSYM_Escape)
4360   {
4361     boolean changed = (key == KSYM_Return);
4362
4363     StopTextInput();
4364
4365     setTypeNameValues(name, pos, changed);
4366
4367     active = FALSE;
4368   }
4369
4370   drawTypeNameText(name, pos, active);
4371
4372   if (!active)
4373   {
4374     SetGameStatus(game_status_last_screen);
4375
4376     if (game_status == GAME_MODE_MAIN)
4377       InitializeMainControls();
4378   }
4379 }
4380
4381 static void DrawTypeName(void)
4382 {
4383   HandleTypeNameExt(TRUE, 0);
4384 }
4385
4386 void HandleTypeName(Key key)
4387 {
4388   HandleTypeNameExt(FALSE, key);
4389 }
4390
4391
4392 // ============================================================================
4393 // tree menu functions
4394 // ============================================================================
4395
4396 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4397 {
4398   if (game_status != GAME_MODE_SETUP ||
4399       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4400     return 0;
4401
4402   int max_text_size = 0;
4403   TreeInfo *node;
4404
4405   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4406     max_text_size = MAX(max_text_size, strlen(node->name));
4407
4408   int num_entries = numTreeInfoInGroup(ti);
4409   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4410   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4411   int text_width = max_text_size * getFontWidth(font_nr);
4412   int button_width = SC_MENUBUTTON_XSIZE;
4413   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4414   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4415   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4416   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4417   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4418   int align_xoffset = MAX(0, align_xoffset_raw);
4419
4420   return align_xoffset;
4421 }
4422
4423 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4424 {
4425   if (game_status != GAME_MODE_SETUP ||
4426       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4427     return 0;
4428
4429   int num_entries = numTreeInfoInGroup(ti);
4430   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4431   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4432   int font_height = getFontHeight(font_nr);
4433   int text_height = font_height * num_page_entries;
4434   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4435   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4436   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4437   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4438   int align_yoffset = MAX(0, align_yoffset_raw);
4439
4440   return align_yoffset;
4441 }
4442
4443 static void StartPlayingFromHallOfFame(void)
4444 {
4445   level_nr = scores.next_level_nr;
4446   LoadLevel(level_nr);
4447
4448   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4449 }
4450
4451 static void DrawChooseTree(TreeInfo **ti_ptr)
4452 {
4453   int fade_mask = REDRAW_FIELD;
4454   boolean restart_music = (game_status != game_status_last_screen &&
4455                            game_status_last_screen != GAME_MODE_SCOREINFO);
4456
4457   scores.continue_on_return = (game_status == GAME_MODE_SCORES &&
4458                                game_status_last_screen == GAME_MODE_PLAYING);
4459
4460   if (CheckFadeAll())
4461     fade_mask = REDRAW_ALL;
4462
4463   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4464   {
4465     if (game_status == GAME_MODE_SETUP)
4466     {
4467       execSetupArtwork();
4468     }
4469     else if (game_status == GAME_MODE_SCORES && scores.continue_playing)
4470     {
4471       StartPlayingFromHallOfFame();
4472     }
4473     else
4474     {
4475       SetGameStatus(GAME_MODE_MAIN);
4476
4477       DrawMainMenu();
4478     }
4479
4480     return;
4481   }
4482
4483   UnmapAllGadgets();
4484
4485   FreeScreenGadgets();
4486   CreateScreenGadgets();
4487
4488   if (restart_music)
4489     FadeMenuSoundsAndMusic();
4490
4491   FadeOut(fade_mask);
4492
4493   // needed if different viewport properties defined for this screen
4494   ChangeViewportPropertiesIfNeeded();
4495
4496   if (game_status == GAME_MODE_NAMES)
4497     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4498   else if (game_status == GAME_MODE_LEVELNR)
4499     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4500   else if (game_status == GAME_MODE_LEVELS)
4501     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4502   else if (game_status == GAME_MODE_SCORES)
4503     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4504
4505   ClearField();
4506
4507   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4508
4509   // map gadgets for high score screen
4510   if (game_status == GAME_MODE_SCORES)
4511     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4512
4513   MapScreenTreeGadgets(*ti_ptr);
4514
4515   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4516
4517   DrawMaskedBorder(fade_mask);
4518
4519   if (restart_music)
4520     PlayMenuSoundsAndMusic();
4521
4522   FadeIn(fade_mask);
4523 }
4524
4525 static int getChooseTreeFont(TreeInfo *node, boolean active)
4526 {
4527   if (game_status == GAME_MODE_SCORES)
4528     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4529   else
4530     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4531 }
4532
4533 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4534 {
4535   int num_entries = numTreeInfoInGroup(ti);
4536   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4537   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4538   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4539   int first_entry = ti->cl_first;
4540   int entry_pos = first_entry + y;
4541   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4542   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4543   int font_nr = getChooseTreeFont(node, active);
4544   int font_xoffset = getFontDrawOffsetX(font_nr);
4545   int xpos = MENU_SCREEN_START_XPOS;
4546   int ypos = MENU_SCREEN_START_YPOS + y;
4547   int startdx = xpos * 32;
4548   int startdy = ypos * 32;
4549   int startx = amSX + startdx;
4550   int starty = amSY + startdy;
4551   int startx_text = startx + font_xoffset;
4552   int endx_text = amSX + screen_width;
4553   int max_text_size = endx_text - startx_text;
4554   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4555   char buffer[max_buffer_len + 1];
4556
4557   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4558   {
4559     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4560     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4561     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4562     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4563     int font_size_1 = getFontWidth(font_nr1);
4564     int font_size_3 = getFontWidth(font_nr3);
4565     int font_size_4 = getFontWidth(font_nr4);
4566     int text_size_1 = 4 * font_size_1;
4567     int text_size_4 = 5 * font_size_4;
4568     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4569     int dx1 = 0;
4570     int dx3 = text_size_1;
4571     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4572     int num_dots = (dx4 - dx3) / font_size_3;
4573     int startx1 = startx + dx1;
4574     int startx3 = startx + dx3;
4575     int startx4 = startx + dx4;
4576     int pos = node->pos;
4577     char *pos_text = getHallOfFameRankText(pos, 3);
4578     int i;
4579
4580     DrawText(startx1, starty, pos_text, font_nr1);
4581
4582     for (i = 0; i < num_dots; i++)
4583       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4584
4585     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4586       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4587
4588     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4589   }
4590   else
4591   {
4592     strncpy(buffer, node->name, max_buffer_len);
4593     buffer[max_buffer_len] = '\0';
4594
4595     DrawText(startx, starty, buffer, font_nr);
4596   }
4597 }
4598
4599 static void drawChooseTreeHeadExt(int type, char *title_string)
4600 {
4601   int yoffset_sets = MENU_TITLE1_YPOS;
4602   int yoffset_setup = 16;
4603   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4604                  type == TREE_TYPE_LEVEL_DIR ||
4605                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4606
4607   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4608 }
4609
4610 static void drawChooseTreeHead(TreeInfo *ti)
4611 {
4612   drawChooseTreeHeadExt(ti->type, ti->infotext);
4613 }
4614
4615 static void drawChooseTreeList(TreeInfo *ti)
4616 {
4617   int first_entry = ti->cl_first;
4618   int num_entries = numTreeInfoInGroup(ti);
4619   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4620   int i;
4621
4622   clearMenuListArea();
4623
4624   for (i = 0; i < num_page_entries; i++)
4625   {
4626     TreeInfo *node, *node_first;
4627     int entry_pos = first_entry + i;
4628
4629     node_first = getTreeInfoFirstGroupEntry(ti);
4630     node = getTreeInfoFromPos(node_first, entry_pos);
4631
4632     drawChooseTreeText(ti, i, FALSE);
4633
4634     if (node->parent_link)
4635       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4636     else if (node->level_group)
4637       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4638     else
4639       initCursor(i, IMG_MENU_BUTTON);
4640
4641     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4642       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4643
4644     if (game_status == GAME_MODE_NAMES)
4645       drawChooseTreeEdit(i, FALSE);
4646   }
4647
4648   redraw_mask |= REDRAW_FIELD;
4649 }
4650
4651 static void drawChooseTreeInfo(TreeInfo *ti)
4652 {
4653   int entry_pos = ti->cl_first + ti->cl_cursor;
4654   int last_redraw_mask = redraw_mask;
4655   int ypos = MENU_TITLE2_YPOS;
4656   int font_nr = FONT_TITLE_2;
4657   int x;
4658
4659   if (ti->type == TREE_TYPE_LEVEL_NR)
4660     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4661
4662   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4663     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4664                       scores.last_level_nr);
4665
4666   if (ti->type != TREE_TYPE_LEVEL_DIR)
4667     return;
4668
4669   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4670   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4671
4672   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4673
4674   if (node->parent_link)
4675     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4676                       node->node_parent->name);
4677   else if (node->level_group)
4678     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4679                       node->name);
4680   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4681     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4682                       node->levels, (node->levels > 1 ? "levels" : "level"),
4683                       node->class_desc);
4684
4685   // let BackToFront() redraw only what is needed
4686   redraw_mask = last_redraw_mask;
4687   for (x = 0; x < SCR_FIELDX; x++)
4688     MarkTileDirty(x, 1);
4689 }
4690
4691 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4692 {
4693   drawChooseTreeCursor(ti->cl_cursor, active);
4694   drawChooseTreeText(ti, ti->cl_cursor, active);
4695 }
4696
4697 static void drawChooseTreeScreen(TreeInfo *ti)
4698 {
4699   drawChooseTreeHead(ti);
4700   drawChooseTreeList(ti);
4701   drawChooseTreeInfo(ti);
4702   drawChooseTreeCursorAndText(ti, TRUE);
4703
4704   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4705
4706   // scroll bar and buttons may just have been added after reloading scores
4707   if (game_status == GAME_MODE_SCORES)
4708     MapScreenTreeGadgets(ti);
4709 }
4710
4711 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4712 {
4713   int score_pos = scores.last_added;
4714
4715   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4716     score_pos = scores.last_entry_nr;
4717
4718   // set current tree entry to last added score entry
4719   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4720
4721   // if that fails, set current tree entry to first entry (back link)
4722   if (*ti_ptr == NULL)
4723     *ti_ptr = score_entries->node_group;
4724
4725   int num_entries = numTreeInfoInGroup(*ti_ptr);
4726   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4727   int pos_score = getPosFromTreeInfo(*ti_ptr);
4728   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4729   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4730
4731   (*ti_ptr)->cl_first = pos_first;
4732   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4733
4734   return *ti_ptr;
4735 }
4736
4737 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4738                              TreeInfo **ti_ptr)
4739 {
4740   TreeInfo *ti = *ti_ptr;
4741   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4742   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4743   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4744   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4745   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4746   int x = 0;
4747   int y = (ti != NULL ? ti->cl_cursor : 0);
4748   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4749   int num_entries = numTreeInfoInGroup(ti);
4750   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4751   boolean position_set_by_scrollbar = (dx == 999);
4752
4753   if (game_status == GAME_MODE_SCORES)
4754   {
4755     if (server_scores.updated)
4756     {
4757       // reload scores, using updated server score cache file
4758       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4759
4760       server_scores.updated = FALSE;
4761
4762       DrawHallOfFame_setScoreEntries();
4763
4764       ti = setHallOfFameActiveEntry(ti_ptr);
4765
4766       if (button != MB_MENU_INITIALIZE)
4767         drawChooseTreeScreen(ti);
4768     }
4769   }
4770
4771   if (button == MB_MENU_INITIALIZE)
4772   {
4773     int num_entries = numTreeInfoInGroup(ti);
4774     int entry_pos = getPosFromTreeInfo(ti);
4775
4776     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4777     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4778
4779     if (game_status == GAME_MODE_SCORES)
4780     {
4781       ti = setHallOfFameActiveEntry(ti_ptr);
4782     }
4783     else if (ti->cl_first == -1)
4784     {
4785       // only on initialization
4786       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4787       ti->cl_cursor = entry_pos - ti->cl_first;
4788
4789     }
4790     else if (ti->cl_cursor >= num_page_entries ||
4791              (num_entries > num_page_entries &&
4792               num_entries - ti->cl_first < num_page_entries))
4793     {
4794       // only after change of list size (by custom graphic configuration)
4795       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4796       ti->cl_cursor = entry_pos - ti->cl_first;
4797     }
4798
4799     if (position_set_by_scrollbar)
4800       ti->cl_first = dy;
4801
4802     drawChooseTreeScreen(ti);
4803
4804     return;
4805   }
4806   else if (button == MB_MENU_LEAVE)
4807   {
4808     if (game_status != GAME_MODE_SCORES)
4809       FadeSetLeaveMenu();
4810
4811     PlaySound(SND_MENU_ITEM_SELECTING);
4812
4813     if (ti->node_parent)
4814     {
4815       *ti_ptr = ti->node_parent;
4816       DrawChooseTree(ti_ptr);
4817     }
4818     else if (game_status == GAME_MODE_SETUP)
4819     {
4820       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4821           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4822           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4823           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4824         execSetupGame();
4825       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4826                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4827                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4828                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4829         execSetupGraphics();
4830       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4831                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4832                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4833         execSetupSound();
4834       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4835                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4836                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4837                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4838                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4839                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4840                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4841                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4842         execSetupTouch();
4843       else
4844         execSetupArtwork();
4845     }
4846     else
4847     {
4848       if (game_status == GAME_MODE_LEVELNR)
4849       {
4850         int new_level_nr = atoi(level_number_current->identifier);
4851
4852         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4853       }
4854
4855       SetGameStatus(GAME_MODE_MAIN);
4856
4857       DrawMainMenu();
4858     }
4859
4860     return;
4861   }
4862
4863 #if defined(PLATFORM_ANDROID)
4864   // directly continue when touching the screen after playing
4865   if ((mx || my) && scores.continue_on_return)
4866   {
4867     // ignore touch events until released
4868     mx = my = 0;
4869   }
4870 #endif
4871
4872   // any mouse click or cursor key stops leaving scores by "Return" key
4873   if ((mx || my || dx || dy) && scores.continue_on_return)
4874   {
4875     scores.continue_on_return = FALSE;
4876     level_nr = scores.last_level_nr;
4877     LoadLevel(level_nr);
4878   }
4879
4880   if (mx || my)         // mouse input
4881   {
4882     x = (mx - amSX) / 32;
4883     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4884
4885     if (game_status == GAME_MODE_NAMES)
4886       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4887   }
4888   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4889   {
4890     // move cursor instead of scrolling when already at start/end of list
4891     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4892       dy = -1;
4893     else if (dy == +1 * SCROLL_LINE &&
4894              ti->cl_first + num_page_entries == num_entries)
4895       dy = 1;
4896
4897     // handle scrolling screen one line or page
4898     if (ti->cl_cursor + dy < 0 ||
4899         ti->cl_cursor + dy > num_page_entries - 1)
4900     {
4901       boolean redraw = FALSE;
4902
4903       if (ABS(dy) == SCROLL_PAGE)
4904         step = num_page_entries - 1;
4905
4906       if (dy < 0 && ti->cl_first > 0)
4907       {
4908         // scroll page/line up
4909
4910         ti->cl_first -= step;
4911         if (ti->cl_first < 0)
4912           ti->cl_first = 0;
4913
4914         redraw = TRUE;
4915       }
4916       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4917       {
4918         // scroll page/line down
4919
4920         ti->cl_first += step;
4921         if (ti->cl_first + num_page_entries > num_entries)
4922           ti->cl_first = MAX(0, num_entries - num_page_entries);
4923
4924         redraw = TRUE;
4925       }
4926
4927       if (redraw)
4928         drawChooseTreeScreen(ti);
4929
4930       return;
4931     }
4932
4933     // handle moving cursor one line
4934     y = ti->cl_cursor + dy;
4935   }
4936
4937   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4938   {
4939     HandleHallOfFame_SelectLevel(1, dx);
4940
4941     return;
4942   }
4943   else if (dx == 1)
4944   {
4945     TreeInfo *node_first, *node_cursor;
4946     int entry_pos = ti->cl_first + y;
4947
4948     node_first = getTreeInfoFirstGroupEntry(ti);
4949     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4950
4951     if (node_cursor->node_group)
4952     {
4953       FadeSetEnterMenu();
4954
4955       PlaySound(SND_MENU_ITEM_SELECTING);
4956
4957       node_cursor->cl_first = ti->cl_first;
4958       node_cursor->cl_cursor = ti->cl_cursor;
4959
4960       *ti_ptr = node_cursor->node_group;
4961       DrawChooseTree(ti_ptr);
4962
4963       return;
4964     }
4965   }
4966   else if ((dx == -1 || button == MB_MENU_CONTINUE) && ti->node_parent)
4967   {
4968     if (game_status != GAME_MODE_SCORES)
4969       FadeSetLeaveMenu();
4970
4971     PlaySound(SND_MENU_ITEM_SELECTING);
4972
4973     *ti_ptr = ti->node_parent;
4974     DrawChooseTree(ti_ptr);
4975
4976     return;
4977   }
4978
4979   if (!anyScrollbarGadgetActive() &&
4980       IN_VIS_MENU(x, y) &&
4981       mx < mx_right_border &&
4982       y >= 0 && y < num_page_entries)
4983   {
4984     if (button)
4985     {
4986       if (game_status == GAME_MODE_NAMES)
4987       {
4988         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4989           drawChooseTreeEdit(y, TRUE);
4990       }
4991
4992       if (y != ti->cl_cursor)
4993       {
4994         PlaySound(SND_MENU_ITEM_ACTIVATING);
4995
4996         drawChooseTreeCursorAndText(ti, FALSE);
4997
4998         ti->cl_cursor = y;
4999
5000         drawChooseTreeCursorAndText(ti, TRUE);
5001
5002         drawChooseTreeInfo(ti);
5003       }
5004       else if (dx < 0)
5005       {
5006         if (game_status == GAME_MODE_SETUP)
5007         {
5008           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5009               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5010               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5011               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5012             execSetupGame();
5013           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5014                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5015                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5016                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5017             execSetupGraphics();
5018           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5019                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5020                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5021             execSetupSound();
5022           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5023                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5024                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5025                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5026                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5027                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5028                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5029                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5030             execSetupTouch();
5031           else
5032             execSetupArtwork();
5033         }
5034       }
5035     }
5036     else
5037     {
5038       TreeInfo *node_first, *node_cursor;
5039       int entry_pos = ti->cl_first + y;
5040
5041       PlaySound(SND_MENU_ITEM_SELECTING);
5042
5043       node_first = getTreeInfoFirstGroupEntry(ti);
5044       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
5045
5046       if (node_cursor->node_group)
5047       {
5048         FadeSetEnterMenu();
5049
5050         node_cursor->cl_first = ti->cl_first;
5051         node_cursor->cl_cursor = ti->cl_cursor;
5052
5053         *ti_ptr = node_cursor->node_group;
5054         DrawChooseTree(ti_ptr);
5055       }
5056       else if (node_cursor->parent_link)
5057       {
5058         if (game_status != GAME_MODE_SCORES)
5059           FadeSetLeaveMenu();
5060
5061         *ti_ptr = node_cursor->node_parent;
5062         DrawChooseTree(ti_ptr);
5063       }
5064       else
5065       {
5066         if (game_status != GAME_MODE_SCORES)
5067           FadeSetEnterMenu();
5068
5069         node_cursor->cl_first = ti->cl_first;
5070         node_cursor->cl_cursor = ti->cl_cursor;
5071
5072         *ti_ptr = node_cursor;
5073
5074         if (ti->type == TREE_TYPE_LEVEL_DIR)
5075         {
5076           LoadLevelSetup_SeriesInfo();
5077
5078           SaveLevelSetup_LastSeries();
5079           SaveLevelSetup_SeriesInfo();
5080           TapeErase();
5081         }
5082
5083         if (game_status == GAME_MODE_SETUP)
5084         {
5085           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5086               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5087               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5088               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5089             execSetupGame();
5090           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5091                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5092                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5093                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5094             execSetupGraphics();
5095           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5096                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5097                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5098             execSetupSound();
5099           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5100                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5101                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5102                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5103                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5104                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5105                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5106                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5107             execSetupTouch();
5108           else
5109             execSetupArtwork();
5110         }
5111         else
5112         {
5113           if (game_status == GAME_MODE_LEVELNR)
5114           {
5115             int new_level_nr = atoi(level_number_current->identifier);
5116
5117             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5118           }
5119           else if (game_status == GAME_MODE_LEVELS)
5120           {
5121             // store level set if chosen from "last played level set" menu
5122             StoreLastPlayedLevels(leveldir_current);
5123
5124             // store if level set chosen from "last played level set" menu
5125             SaveLevelSetup_LastSeries();
5126           }
5127           else if (game_status == GAME_MODE_NAMES)
5128           {
5129             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5130             {
5131               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5132
5133               DrawTypeName();
5134
5135               return;
5136             }
5137
5138             // change active user to selected user
5139             user.nr = entry_pos;
5140
5141             // save number of new active user
5142             SaveUserSetup();
5143
5144             // load setup of new active user
5145             LoadSetup();
5146
5147             // load last level set of new active user
5148             LoadLevelSetup_LastSeries();
5149             LoadLevelSetup_SeriesInfo();
5150
5151             // update list of last played level sets
5152             UpdateLastPlayedLevels_TreeInfo();
5153
5154             TapeErase();
5155
5156             ToggleFullscreenIfNeeded();
5157             ChangeWindowScalingIfNeeded();
5158
5159             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5160             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5161             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5162           }
5163           else if (game_status == GAME_MODE_SCORES)
5164           {
5165             if (scores.continue_playing && scores.continue_on_return)
5166             {
5167               StartPlayingFromHallOfFame();
5168
5169               return;
5170             }
5171             else if (!scores.continue_on_return)
5172             {
5173               SetGameStatus(GAME_MODE_SCOREINFO);
5174
5175               DrawScoreInfo(node_cursor->pos);
5176
5177               return;
5178             }
5179           }
5180
5181           SetGameStatus(GAME_MODE_MAIN);
5182
5183           DrawMainMenu();
5184         }
5185       }
5186     }
5187   }
5188
5189   if (game_status == GAME_MODE_SCORES)
5190     PlayMenuSoundIfLoop();
5191 }
5192
5193 void DrawChoosePlayerName(void)
5194 {
5195   int i;
5196
5197   if (player_name != NULL)
5198   {
5199     freeTreeInfo(player_name);
5200
5201     player_name = NULL;
5202   }
5203
5204   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5205   {
5206     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5207     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5208     int value = i;
5209
5210     ti->node_top = &player_name;
5211     ti->sort_priority = 10000 + value;
5212     ti->color = getPlayerNameColor(global.user_names[i]);
5213
5214     snprintf(identifier, sizeof(identifier), "%d", value);
5215     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5216
5217     setString(&ti->identifier, identifier);
5218     setString(&ti->name, name);
5219     setString(&ti->name_sorting, name);
5220
5221     pushTreeInfo(&player_name, ti);
5222   }
5223
5224   // sort player entries by player number
5225   sortTreeInfo(&player_name);
5226
5227   // set current player entry to selected player entry
5228   player_name_current =
5229     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5230
5231   // if that fails, set current player name to first available name
5232   if (player_name_current == NULL)
5233     player_name_current = player_name;
5234
5235   // set text size for main name input (also used on name selection screen)
5236   InitializeMainControls();
5237
5238   DrawChooseTree(&player_name_current);
5239 }
5240
5241 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5242 {
5243   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5244 }
5245
5246 void DrawChooseLevelSet(void)
5247 {
5248   DrawChooseTree(&leveldir_current);
5249 }
5250
5251 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5252 {
5253   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5254 }
5255
5256 void DrawChooseLevelNr(void)
5257 {
5258   int i;
5259
5260   if (level_number != NULL)
5261   {
5262     freeTreeInfo(level_number);
5263
5264     level_number = NULL;
5265   }
5266
5267   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5268   {
5269     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5270     char identifier[32], name[64];
5271     int value = i;
5272
5273     // temporarily load level info to get level name
5274     LoadLevelInfoOnly(i);
5275
5276     ti->node_top = &level_number;
5277     ti->sort_priority = 10000 + value;
5278     ti->color = (level.no_level_file ? FC_BLUE :
5279                  LevelStats_getSolved(i) ? FC_GREEN :
5280                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5281
5282     snprintf(identifier, sizeof(identifier), "%d", value);
5283     snprintf(name, sizeof(name), "%03d: %s", value,
5284              (level.no_level_file ? "(no file)" : level.name));
5285
5286     setString(&ti->identifier, identifier);
5287     setString(&ti->name, name);
5288     setString(&ti->name_sorting, name);
5289
5290     pushTreeInfo(&level_number, ti);
5291   }
5292
5293   // sort level number values to start with lowest level number
5294   sortTreeInfo(&level_number);
5295
5296   // set current level number to current level number
5297   level_number_current =
5298     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5299
5300   // if that also fails, set current level number to first available level
5301   if (level_number_current == NULL)
5302     level_number_current = level_number;
5303
5304   DrawChooseTree(&level_number_current);
5305 }
5306
5307 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5308 {
5309   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5310 }
5311
5312 static void DrawHallOfFame_setScoreEntries(void)
5313 {
5314   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5315   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5316   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5317   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5318   int i;
5319
5320   if (score_entries != NULL)
5321   {
5322     freeTreeInfo(score_entries);
5323
5324     score_entries = NULL;
5325   }
5326
5327   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5328   {
5329     // do not add empty score entries if off-screen
5330     if (scores.entry[i].score == 0 &&
5331         scores.entry[i].time == 0 &&
5332         i >= min_score_entries)
5333       break;
5334
5335     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5336     char identifier[32], name[64];
5337     int value = i;
5338
5339     ti->node_top = &score_entries;
5340     ti->sort_priority = 10000 + value;
5341     ti->color = FC_YELLOW;
5342     ti->pos = i;
5343
5344     snprintf(identifier, sizeof(identifier), "%d", value);
5345     snprintf(name, sizeof(name), "%03d.", value + 1);
5346
5347     setString(&ti->identifier, identifier);
5348     setString(&ti->name, name);
5349     setString(&ti->name_sorting, name);
5350
5351     pushTreeInfo(&score_entries, ti);
5352   }
5353
5354   // sort score entries to start with highest score entry
5355   sortTreeInfo(&score_entries);
5356
5357   // add top tree node to create back link to main menu
5358   score_entries = addTopTreeInfoNode(score_entries);
5359
5360   // set current score entry to last added or highest score entry
5361   score_entry_current =
5362     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5363
5364   // if that fails, set current score entry to first valid score entry
5365   if (score_entry_current == NULL)
5366     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5367
5368   if (score_entries != NULL && scores.continue_playing)
5369     setString(&score_entries->node_group->name, BACKLINK_TEXT_NEXT);
5370 }
5371
5372 void DrawHallOfFame(int nr)
5373 {
5374   scores.last_level_nr = nr;
5375
5376   // (this is needed when called from GameEnd() after winning a game)
5377   KeyboardAutoRepeatOn();
5378
5379   // (this is needed when called from GameEnd() after winning a game)
5380   SetDrawDeactivationMask(REDRAW_NONE);
5381   SetDrawBackgroundMask(REDRAW_FIELD);
5382
5383   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5384
5385   DrawHallOfFame_setScoreEntries();
5386
5387   if (scores.last_added >= 0)
5388     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5389
5390   FadeSetEnterScreen();
5391
5392   DrawChooseTree(&score_entry_current);
5393 }
5394
5395 static char *getHallOfFameRankText(int nr, int size)
5396 {
5397   static char rank_text[10];
5398   boolean forced = (scores.force_last_added && nr == scores.last_added);
5399   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5400
5401   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5402
5403   return rank_text;
5404 }
5405
5406 static char *getHallOfFameTimeText(int nr)
5407 {
5408   static char score_text[10];
5409   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5410   int mm = (time_seconds / 60) % 60;
5411   int ss = (time_seconds % 60);
5412
5413   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5414
5415   return score_text;
5416 }
5417
5418 static char *getHallOfFameScoreText(int nr, int size)
5419 {
5420   if (!level.rate_time_over_score)
5421     return int2str(scores.entry[nr].score, size);       // show normal score
5422   else if (level.use_step_counter)
5423     return int2str(scores.entry[nr].time, size);        // show number of steps
5424   else
5425     return getHallOfFameTimeText(nr);                   // show playing time
5426 }
5427
5428 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5429 {
5430   static char tape_date[MAX_ISO_DATE_LEN + 1];
5431   int i, j;
5432
5433   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5434       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5435     return entry->tape_date;
5436
5437   for (i = 0, j = 0; i < 8; i++, j++)
5438   {
5439     tape_date[j] = entry->tape_basename[i];
5440
5441     if (i == 3 || i == 5)
5442       tape_date[++j] = '-';
5443   }
5444
5445   tape_date[MAX_ISO_DATE_LEN] = '\0';
5446
5447   return tape_date;
5448 }
5449
5450 static void HandleHallOfFame_SelectLevel(int step, int direction)
5451 {
5452   int old_level_nr = scores.last_level_nr;
5453   int new_level_nr = old_level_nr + step * direction;
5454
5455   if (new_level_nr < leveldir_current->first_level)
5456     new_level_nr = leveldir_current->first_level;
5457   if (new_level_nr > leveldir_current->last_level)
5458     new_level_nr = leveldir_current->last_level;
5459
5460   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5461     new_level_nr = leveldir_current->handicap_level;
5462
5463   if (new_level_nr != old_level_nr)
5464   {
5465     PlaySound(SND_MENU_ITEM_SELECTING);
5466
5467     scores.last_level_nr = level_nr = new_level_nr;
5468     scores.last_entry_nr = 0;
5469
5470     LoadLevel(level_nr);
5471     LoadLocalAndServerScore(level_nr, TRUE);
5472
5473     DrawHallOfFame_setScoreEntries();
5474
5475     if (game_status == GAME_MODE_SCORES)
5476     {
5477       // force remapping optional gadgets (especially scroll bar)
5478       UnmapScreenTreeGadgets();
5479
5480       // redraw complete high score screen, as sub-title has changed
5481       ClearField();
5482
5483       // redraw level selection buttons (which have just been erased)
5484       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5485
5486       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5487     }
5488     else
5489     {
5490       DrawScoreInfo_Content(scores.last_entry_nr);
5491     }
5492
5493     SaveLevelSetup_SeriesInfo();
5494   }
5495 }
5496
5497 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5498 {
5499   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5500 }
5501
5502 static void DrawScoreInfo_Content(int entry_nr)
5503 {
5504   struct ScoreEntry *entry = &scores.entry[entry_nr];
5505   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5506   char *tape_date = getHallOfFameTapeDateText(entry);
5507   int font_head = MENU_INFO_FONT_HEAD;
5508   int font_text = MENU_INFO_FONT_TEXT;
5509   int font_foot = MENU_INFO_FONT_FOOT;
5510   int spacing_para = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5511   int spacing_line = menu.line_spacing[GAME_MODE_SCOREINFO];
5512   int spacing_left = menu.left_spacing[GAME_MODE_SCOREINFO];
5513   int spacing_top  = menu.top_spacing[GAME_MODE_SCOREINFO];
5514   int xstep = getFontWidth(font_text);
5515   int ystep_para = getMenuTextStep(spacing_para,  font_text);
5516   int ystep_line = getMenuTextStep(spacing_line,  font_text);
5517   int xstart  = mSX - SX + spacing_left;
5518   int ystart  = mSY - SY + spacing_top + getHeadlineSpacing();
5519   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5520   int xstart1 = xstart + xstep;
5521   int xstart2 = xstart + xstep * 12;
5522   int select_x = SX + xstart1;
5523   int select_y1, select_y2;
5524   int play_x, play_y;
5525   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5526   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5527   int font_width = getFontWidth(font_text);
5528   int font_height = getFontHeight(font_text);
5529   int tape_date_width = getTextWidth(tape_date, font_text);
5530   int pad_left = xstart2;
5531   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5532   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5533   int max_lines_per_text = 5;
5534   int lines;
5535
5536   ClearField();
5537
5538   // redraw level selection buttons (which have just been erased)
5539   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5540
5541   drawChooseTreeHead(score_entries);
5542   drawChooseTreeInfo(score_entries);
5543
5544   DrawTextF(xstart1, ystart, font_head, "Level Set");
5545   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5546                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5547                           TRUE, FALSE, FALSE);
5548   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5549
5550   DrawTextF(xstart1, ystart, font_head, "Level");
5551   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5552                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5553                           TRUE, FALSE, FALSE);
5554   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5555
5556   select_y1 = SY + ystart;
5557   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5558
5559   DrawTextF(xstart1, ystart, font_head, "Rank");
5560   DrawTextF(xstart2, ystart, font_text, pos_text);
5561   ystart += ystep_line;
5562
5563   DrawTextF(xstart1, ystart, font_head, "Player");
5564   DrawTextF(xstart2, ystart, font_text, entry->name);
5565   ystart += ystep_line;
5566
5567   if (level.use_step_counter)
5568   {
5569     DrawTextF(xstart1, ystart, font_head, "Steps");
5570     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5571     ystart += ystep_line;
5572   }
5573   else
5574   {
5575     DrawTextF(xstart1, ystart, font_head, "Time");
5576     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5577     ystart += ystep_line;
5578   }
5579
5580   if (!level.rate_time_over_score || entry->score > 0)
5581   {
5582     DrawTextF(xstart1, ystart, font_head, "Score");
5583     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5584     ystart += ystep_line;
5585   }
5586
5587   ystart += ystep_line;
5588
5589   play_x = SX + xstart2 + tape_date_width + font_width;
5590   play_y = SY + ystart + (font_height - play_height) / 2;
5591
5592   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5593   DrawTextF(xstart2, ystart, font_text, tape_date);
5594   ystart += ystep_line;
5595
5596   DrawTextF(xstart1, ystart, font_head, "Platform");
5597   DrawTextF(xstart2, ystart, font_text, entry->platform);
5598   ystart += ystep_line;
5599
5600   DrawTextF(xstart1, ystart, font_head, "Version");
5601   DrawTextF(xstart2, ystart, font_text, entry->version);
5602   ystart += ystep_line;
5603
5604   DrawTextF(xstart1, ystart, font_head, "Country");
5605   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5606                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5607                           TRUE, FALSE, FALSE);
5608   ystart += ystep_line;
5609
5610   select_y2 = SY + ystart;
5611
5612   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5613
5614   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5615   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5616 }
5617
5618 static void DrawScoreInfo(int entry_nr)
5619 {
5620   scores.last_entry_nr = entry_nr;
5621   score_info_tape_play = FALSE;
5622
5623   UnmapAllGadgets();
5624
5625   FreeScreenGadgets();
5626   CreateScreenGadgets();
5627
5628   FadeOut(REDRAW_FIELD);
5629
5630   // needed if different viewport properties defined after playing score tape
5631   ChangeViewportPropertiesIfNeeded();
5632
5633   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5634   SetDrawDeactivationMask(REDRAW_NONE);
5635   SetDrawBackgroundMask(REDRAW_FIELD);
5636
5637   // needed if different background image defined after playing score tape
5638   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5639   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5640
5641   // special compatibility handling for "Snake Bite" graphics set
5642   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5643     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5644                    gfx.full_sxsize, gfx.full_sysize - 64);
5645
5646   DrawScoreInfo_Content(entry_nr);
5647
5648   // map gadgets for score info screen
5649   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5650
5651   FadeIn(REDRAW_FIELD);
5652 }
5653
5654 static void HandleScoreInfo_SelectScore(int step, int direction)
5655 {
5656   int old_entry_nr = scores.last_entry_nr;
5657   int new_entry_nr = old_entry_nr + step * direction;
5658   int num_nodes = numTreeInfoInGroup(score_entry_current);
5659   int num_entries = num_nodes - 1;      // score nodes only, without back link
5660
5661   if (new_entry_nr < 0)
5662     new_entry_nr = 0;
5663   if (new_entry_nr > num_entries - 1)
5664     new_entry_nr = num_entries - 1;
5665
5666   if (new_entry_nr != old_entry_nr)
5667   {
5668     scores.last_entry_nr = new_entry_nr;
5669
5670     DrawScoreInfo_Content(new_entry_nr);
5671   }
5672 }
5673
5674 static void HandleScoreInfo_PlayTape(void)
5675 {
5676   if (!PlayScoreTape(scores.last_entry_nr))
5677   {
5678     DrawScoreInfo_Content(scores.last_entry_nr);
5679
5680     FadeIn(REDRAW_FIELD);
5681   }
5682 }
5683
5684 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5685 {
5686   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5687   boolean button_is_valid = (mx >= 0 && my >= 0);
5688   boolean button_screen_clicked = (button_action && button_is_valid);
5689
5690   if (server_scores.updated)
5691   {
5692     // reload scores, using updated server score cache file
5693     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5694
5695     server_scores.updated = FALSE;
5696
5697     DrawHallOfFame_setScoreEntries();
5698
5699     DrawScoreInfo_Content(scores.last_entry_nr);
5700   }
5701
5702   if (button_screen_clicked)
5703   {
5704     PlaySound(SND_MENU_ITEM_SELECTING);
5705
5706     SetGameStatus(GAME_MODE_SCORES);
5707
5708     DrawHallOfFame(scores.last_level_nr);
5709   }
5710   else if (dx)
5711   {
5712     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5713   }
5714   else if (dy)
5715   {
5716     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5717   }
5718 }
5719
5720
5721 // ============================================================================
5722 // setup screen functions
5723 // ============================================================================
5724
5725 static struct TokenInfo *setup_info;
5726 static int num_setup_info;      // number of setup entries shown on screen
5727 static int max_setup_info;      // total number of setup entries in list
5728
5729 static char *window_size_text;
5730 static char *scaling_type_text;
5731 static char *rendering_mode_text;
5732 static char *vsync_mode_text;
5733 static char *scroll_delay_text;
5734 static char *snapshot_mode_text;
5735 static char *game_speed_text;
5736 static char *scores_type_text;
5737 static char *network_server_text;
5738 static char *graphics_set_name;
5739 static char *sounds_set_name;
5740 static char *music_set_name;
5741 static char *volume_simple_text;
5742 static char *volume_loops_text;
5743 static char *volume_music_text;
5744 static char *touch_controls_text;
5745 static char *move_distance_text;
5746 static char *drop_distance_text;
5747 static char *transparency_text;
5748 static char *grid_size_text[2][2];
5749
5750 static void execSetupMain(void)
5751 {
5752   setup_mode = SETUP_MODE_MAIN;
5753
5754   DrawSetupScreen();
5755 }
5756
5757 static void execSetupGame_setScoresType(void)
5758 {
5759   if (scores_types == NULL)
5760   {
5761     int i;
5762
5763     for (i = 0; scores_types_list[i].value != NULL; i++)
5764     {
5765       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5766       char identifier[32], name[32];
5767       char *value = scores_types_list[i].value;
5768       char *text = scores_types_list[i].text;
5769
5770       ti->node_top = &scores_types;
5771       ti->sort_priority = i;
5772
5773       sprintf(identifier, "%s", value);
5774       sprintf(name, "%s", text);
5775
5776       setString(&ti->identifier, identifier);
5777       setString(&ti->name, name);
5778       setString(&ti->name_sorting, name);
5779       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5780
5781       pushTreeInfo(&scores_types, ti);
5782     }
5783
5784     // sort scores type values to start with lowest scores type value
5785     sortTreeInfo(&scores_types);
5786
5787     // set current scores type value to configured scores type value
5788     scores_type_current =
5789       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5790
5791     // if that fails, set current scores type to reliable default value
5792     if (scores_type_current == NULL)
5793       scores_type_current =
5794         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5795
5796     // if that also fails, set current scores type to first available value
5797     if (scores_type_current == NULL)
5798       scores_type_current = scores_types;
5799   }
5800
5801   setup.scores_in_highscore_list = scores_type_current->identifier;
5802
5803   // needed for displaying scores type text instead of identifier
5804   scores_type_text = scores_type_current->name;
5805 }
5806
5807 static void execSetupGame_setGameSpeeds(boolean update_value)
5808 {
5809   if (setup.game_speed_extended)
5810   {
5811     game_speeds_list = game_speeds_list_extended;
5812     game_speeds      = game_speeds_extended;
5813   }
5814   else
5815   {
5816     game_speeds_list = game_speeds_list_normal;
5817     game_speeds      = game_speeds_normal;
5818   }
5819
5820   if (game_speeds == NULL)
5821   {
5822     int i;
5823
5824     for (i = 0; game_speeds_list[i].value != -1; i++)
5825     {
5826       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5827       char identifier[32], name[32];
5828       int value = game_speeds_list[i].value;
5829       char *text = game_speeds_list[i].text;
5830
5831       ti->node_top = &game_speeds;
5832       ti->sort_priority = 10000 - value;
5833
5834       sprintf(identifier, "%d", value);
5835       sprintf(name, "%s", text);
5836
5837       setString(&ti->identifier, identifier);
5838       setString(&ti->name, name);
5839       setString(&ti->name_sorting, name);
5840       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5841
5842       pushTreeInfo(&game_speeds, ti);
5843     }
5844
5845     // sort game speed values to start with slowest game speed
5846     sortTreeInfo(&game_speeds);
5847
5848     update_value = TRUE;
5849   }
5850
5851   if (update_value)
5852   {
5853     // set current game speed to configured game speed value
5854     game_speed_current =
5855       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5856
5857     // if that fails, set current game speed to reliable default value
5858     if (game_speed_current == NULL)
5859       game_speed_current =
5860         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5861
5862     // if that also fails, set current game speed to first available speed
5863     if (game_speed_current == NULL)
5864       game_speed_current = game_speeds;
5865
5866     if (setup.game_speed_extended)
5867       game_speeds_extended = game_speeds;
5868     else
5869       game_speeds_normal = game_speeds;
5870   }
5871
5872   setup.game_frame_delay = atoi(game_speed_current->identifier);
5873
5874   // needed for displaying game speed text instead of identifier
5875   game_speed_text = game_speed_current->name;
5876 }
5877
5878 static void execSetupGame_setScrollDelays(void)
5879 {
5880   if (scroll_delays == NULL)
5881   {
5882     int i;
5883
5884     for (i = 0; scroll_delays_list[i].value != -1; i++)
5885     {
5886       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5887       char identifier[32], name[32];
5888       int value = scroll_delays_list[i].value;
5889       char *text = scroll_delays_list[i].text;
5890
5891       ti->node_top = &scroll_delays;
5892       ti->sort_priority = value;
5893
5894       sprintf(identifier, "%d", value);
5895       sprintf(name, "%s", text);
5896
5897       setString(&ti->identifier, identifier);
5898       setString(&ti->name, name);
5899       setString(&ti->name_sorting, name);
5900       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5901
5902       pushTreeInfo(&scroll_delays, ti);
5903     }
5904
5905     // sort scroll delay values to start with lowest scroll delay value
5906     sortTreeInfo(&scroll_delays);
5907
5908     // set current scroll delay value to configured scroll delay value
5909     scroll_delay_current =
5910       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5911
5912     // if that fails, set current scroll delay to reliable default value
5913     if (scroll_delay_current == NULL)
5914       scroll_delay_current =
5915         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5916
5917     // if that also fails, set current scroll delay to first available value
5918     if (scroll_delay_current == NULL)
5919       scroll_delay_current = scroll_delays;
5920   }
5921
5922   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5923
5924   // needed for displaying scroll delay text instead of identifier
5925   scroll_delay_text = scroll_delay_current->name;
5926 }
5927
5928 static void execSetupGame_setSnapshotModes(void)
5929 {
5930   if (snapshot_modes == NULL)
5931   {
5932     int i;
5933
5934     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5935     {
5936       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5937       char identifier[32], name[32];
5938       char *value = snapshot_modes_list[i].value;
5939       char *text = snapshot_modes_list[i].text;
5940
5941       ti->node_top = &snapshot_modes;
5942       ti->sort_priority = i;
5943
5944       sprintf(identifier, "%s", value);
5945       sprintf(name, "%s", text);
5946
5947       setString(&ti->identifier, identifier);
5948       setString(&ti->name, name);
5949       setString(&ti->name_sorting, name);
5950       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5951
5952       pushTreeInfo(&snapshot_modes, ti);
5953     }
5954
5955     // sort snapshot mode values to start with lowest snapshot mode value
5956     sortTreeInfo(&snapshot_modes);
5957
5958     // set current snapshot mode value to configured snapshot mode value
5959     snapshot_mode_current =
5960       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5961
5962     // if that fails, set current snapshot mode to reliable default value
5963     if (snapshot_mode_current == NULL)
5964       snapshot_mode_current =
5965         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5966
5967     // if that also fails, set current snapshot mode to first available value
5968     if (snapshot_mode_current == NULL)
5969       snapshot_mode_current = snapshot_modes;
5970   }
5971
5972   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5973
5974   // needed for displaying snapshot mode text instead of identifier
5975   snapshot_mode_text = snapshot_mode_current->name;
5976 }
5977
5978 static void execSetupGame_setNetworkServerText(void)
5979 {
5980   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5981   {
5982     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5983   }
5984   else
5985   {
5986     strncpy(network_server_hostname, setup.network_server_hostname,
5987             MAX_SETUP_TEXT_INPUT_LEN);
5988     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5989   }
5990
5991   // needed for displaying network server text instead of identifier
5992   network_server_text = network_server_hostname;
5993 }
5994
5995 static void execSetupGame(void)
5996 {
5997   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5998
5999   execSetupGame_setGameSpeeds(FALSE);
6000   execSetupGame_setScoresType();
6001   execSetupGame_setScrollDelays();
6002   execSetupGame_setSnapshotModes();
6003
6004   execSetupGame_setNetworkServerText();
6005
6006   if (!setup.provide_uploading_tapes)
6007     setHideSetupEntry(execOfferUploadTapes);
6008
6009   setup_mode = SETUP_MODE_GAME;
6010
6011   DrawSetupScreen();
6012
6013   // check if vsync needs to be disabled for this game speed to work
6014   if (check_vsync_mode)
6015     DisableVsyncIfNeeded();
6016 }
6017
6018 static void execSetupChooseScoresType(void)
6019 {
6020   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
6021
6022   DrawSetupScreen();
6023 }
6024
6025 static void execSetupChooseGameSpeed(void)
6026 {
6027   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
6028
6029   DrawSetupScreen();
6030 }
6031
6032 static void execSetupChooseScrollDelay(void)
6033 {
6034   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
6035
6036   DrawSetupScreen();
6037 }
6038
6039 static void execSetupChooseSnapshotMode(void)
6040 {
6041   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
6042
6043   DrawSetupScreen();
6044 }
6045
6046 static void execSetupEngines(void)
6047 {
6048   setup_mode = SETUP_MODE_ENGINES;
6049
6050   DrawSetupScreen();
6051 }
6052
6053 static void execSetupEditor(void)
6054 {
6055   setup_mode = SETUP_MODE_EDITOR;
6056
6057   DrawSetupScreen();
6058 }
6059
6060 static void execSetupGraphics_setWindowSizes(boolean update_list)
6061 {
6062   if (window_sizes != NULL && update_list)
6063   {
6064     freeTreeInfo(window_sizes);
6065
6066     window_sizes = NULL;
6067   }
6068
6069   if (window_sizes == NULL)
6070   {
6071     boolean current_window_size_found = FALSE;
6072     int i;
6073
6074     for (i = 0; window_sizes_list[i].value != -1; i++)
6075     {
6076       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6077       char identifier[32], name[32];
6078       int value = window_sizes_list[i].value;
6079       char *text = window_sizes_list[i].text;
6080
6081       ti->node_top = &window_sizes;
6082       ti->sort_priority = value;
6083
6084       sprintf(identifier, "%d", value);
6085       sprintf(name, "%s", text);
6086
6087       setString(&ti->identifier, identifier);
6088       setString(&ti->name, name);
6089       setString(&ti->name_sorting, name);
6090       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6091
6092       pushTreeInfo(&window_sizes, ti);
6093
6094       if (value == setup.window_scaling_percent)
6095         current_window_size_found = TRUE;
6096     }
6097
6098     if (!current_window_size_found)
6099     {
6100       // add entry for non-preset window scaling value
6101
6102       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6103       char identifier[32], name[32];
6104       int value = setup.window_scaling_percent;
6105
6106       ti->node_top = &window_sizes;
6107       ti->sort_priority = value;
6108
6109       sprintf(identifier, "%d", value);
6110       sprintf(name, "%d %% (Current)", value);
6111
6112       setString(&ti->identifier, identifier);
6113       setString(&ti->name, name);
6114       setString(&ti->name_sorting, name);
6115       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6116
6117       pushTreeInfo(&window_sizes, ti);
6118     }
6119
6120     // sort window size values to start with lowest window size value
6121     sortTreeInfo(&window_sizes);
6122
6123     // set current window size value to configured window size value
6124     window_size_current =
6125       getTreeInfoFromIdentifier(window_sizes,
6126                                 i_to_a(setup.window_scaling_percent));
6127
6128     // if that fails, set current window size to reliable default value
6129     if (window_size_current == NULL)
6130       window_size_current =
6131         getTreeInfoFromIdentifier(window_sizes,
6132                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6133
6134     // if that also fails, set current window size to first available value
6135     if (window_size_current == NULL)
6136       window_size_current = window_sizes;
6137   }
6138
6139   setup.window_scaling_percent = atoi(window_size_current->identifier);
6140
6141   // needed for displaying window size text instead of identifier
6142   window_size_text = window_size_current->name;
6143 }
6144
6145 static void execSetupGraphics_setScalingTypes(void)
6146 {
6147   if (scaling_types == NULL)
6148   {
6149     int i;
6150
6151     for (i = 0; scaling_types_list[i].value != NULL; i++)
6152     {
6153       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6154       char identifier[32], name[32];
6155       char *value = scaling_types_list[i].value;
6156       char *text = scaling_types_list[i].text;
6157
6158       ti->node_top = &scaling_types;
6159       ti->sort_priority = i;
6160
6161       sprintf(identifier, "%s", value);
6162       sprintf(name, "%s", text);
6163
6164       setString(&ti->identifier, identifier);
6165       setString(&ti->name, name);
6166       setString(&ti->name_sorting, name);
6167       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6168
6169       pushTreeInfo(&scaling_types, ti);
6170     }
6171
6172     // sort scaling type values to start with lowest scaling type value
6173     sortTreeInfo(&scaling_types);
6174
6175     // set current scaling type value to configured scaling type value
6176     scaling_type_current =
6177       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6178
6179     // if that fails, set current scaling type to reliable default value
6180     if (scaling_type_current == NULL)
6181       scaling_type_current =
6182         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6183
6184     // if that also fails, set current scaling type to first available value
6185     if (scaling_type_current == NULL)
6186       scaling_type_current = scaling_types;
6187   }
6188
6189   setup.window_scaling_quality = scaling_type_current->identifier;
6190
6191   // needed for displaying scaling type text instead of identifier
6192   scaling_type_text = scaling_type_current->name;
6193 }
6194
6195 static void execSetupGraphics_setRenderingModes(void)
6196 {
6197   if (rendering_modes == NULL)
6198   {
6199     int i;
6200
6201     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6202     {
6203       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6204       char identifier[32], name[32];
6205       char *value = rendering_modes_list[i].value;
6206       char *text = rendering_modes_list[i].text;
6207
6208       ti->node_top = &rendering_modes;
6209       ti->sort_priority = i;
6210
6211       sprintf(identifier, "%s", value);
6212       sprintf(name, "%s", text);
6213
6214       setString(&ti->identifier, identifier);
6215       setString(&ti->name, name);
6216       setString(&ti->name_sorting, name);
6217       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6218
6219       pushTreeInfo(&rendering_modes, ti);
6220     }
6221
6222     // sort rendering mode values to start with lowest rendering mode value
6223     sortTreeInfo(&rendering_modes);
6224
6225     // set current rendering mode value to configured rendering mode value
6226     rendering_mode_current =
6227       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6228
6229     // if that fails, set current rendering mode to reliable default value
6230     if (rendering_mode_current == NULL)
6231       rendering_mode_current =
6232         getTreeInfoFromIdentifier(rendering_modes,
6233                                   STR_SPECIAL_RENDERING_DEFAULT);
6234
6235     // if that also fails, set current rendering mode to first available one
6236     if (rendering_mode_current == NULL)
6237       rendering_mode_current = rendering_modes;
6238   }
6239
6240   setup.screen_rendering_mode = rendering_mode_current->identifier;
6241
6242   // needed for displaying rendering mode text instead of identifier
6243   rendering_mode_text = rendering_mode_current->name;
6244 }
6245
6246 static void execSetupGraphics_setVsyncModes(boolean update_value)
6247 {
6248   if (vsync_modes == NULL)
6249   {
6250     int i;
6251
6252     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6253     {
6254       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6255       char identifier[32], name[32];
6256       char *value = vsync_modes_list[i].value;
6257       char *text = vsync_modes_list[i].text;
6258
6259       ti->node_top = &vsync_modes;
6260       ti->sort_priority = i;
6261
6262       sprintf(identifier, "%s", value);
6263       sprintf(name, "%s", text);
6264
6265       setString(&ti->identifier, identifier);
6266       setString(&ti->name, name);
6267       setString(&ti->name_sorting, name);
6268       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6269
6270       pushTreeInfo(&vsync_modes, ti);
6271     }
6272
6273     // sort vsync mode values to start with lowest vsync mode value
6274     sortTreeInfo(&vsync_modes);
6275
6276     update_value = TRUE;
6277   }
6278
6279   if (update_value)
6280   {
6281     // set current vsync mode value to configured vsync mode value
6282     vsync_mode_current =
6283       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6284
6285     // if that fails, set current vsync mode to reliable default value
6286     if (vsync_mode_current == NULL)
6287       vsync_mode_current =
6288         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6289
6290     // if that also fails, set current vsync mode to first available one
6291     if (vsync_mode_current == NULL)
6292       vsync_mode_current = vsync_modes;
6293   }
6294
6295   setup.vsync_mode = vsync_mode_current->identifier;
6296
6297   // needed for displaying vsync mode text instead of identifier
6298   vsync_mode_text = vsync_mode_current->name;
6299 }
6300
6301 static void execSetupGraphics(void)
6302 {
6303   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6304
6305   // update "setup.window_scaling_percent" from list selection
6306   // (in this case, window scaling was changed on setup screen)
6307   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6308     execSetupGraphics_setWindowSizes(FALSE);
6309
6310   // update "setup.vsync_mode" from list selection
6311   // (in this case, vsync mode was changed on setup screen)
6312   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6313     execSetupGraphics_setVsyncModes(FALSE);
6314
6315   // update list selection from "setup.window_scaling_percent"
6316   // (window scaling may have changed by resizing the window)
6317   execSetupGraphics_setWindowSizes(TRUE);
6318
6319   // update list selection from "setup.vsync_mode"
6320   // (vsync_mode may have changed by re-creating the renderer)
6321   execSetupGraphics_setVsyncModes(TRUE);
6322
6323   execSetupGraphics_setScalingTypes();
6324   execSetupGraphics_setRenderingModes();
6325
6326   setup_mode = SETUP_MODE_GRAPHICS;
6327
6328   DrawSetupScreen();
6329
6330   // check if game speed is high enough for 60 Hz vsync to work
6331   if (check_game_speed)
6332     ModifyGameSpeedIfNeeded();
6333
6334   // window scaling may have changed at this point
6335   ChangeWindowScalingIfNeeded();
6336
6337   // window scaling quality may have changed at this point
6338   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6339     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6340
6341   // screen rendering mode may have changed at this point
6342   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6343
6344   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6345   int video_vsync_mode = video.vsync_mode;
6346
6347   // screen vsync mode may have changed at this point
6348   ChangeVsyncModeIfNeeded();
6349
6350   // check if setting vsync mode to selected value failed
6351   if (setup_vsync_mode != video_vsync_mode &&
6352       setup_vsync_mode != video.vsync_mode)
6353   {
6354     // changing vsync mode to selected value failed -- reset displayed value
6355     execSetupGraphics_setVsyncModes(TRUE);
6356
6357     Request("Setting VSync failed!", REQ_CONFIRM);
6358
6359     DrawSetupScreen();
6360   }
6361 }
6362
6363 static void execSetupChooseWindowSize(void)
6364 {
6365   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6366
6367   DrawSetupScreen();
6368 }
6369
6370 static void execSetupChooseScalingType(void)
6371 {
6372   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6373
6374   DrawSetupScreen();
6375 }
6376
6377 static void execSetupChooseRenderingMode(void)
6378 {
6379   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6380
6381   DrawSetupScreen();
6382 }
6383
6384 static void execSetupChooseVsyncMode(void)
6385 {
6386   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6387
6388   DrawSetupScreen();
6389 }
6390
6391 static void execSetupChooseVolumeSimple(void)
6392 {
6393   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6394
6395   DrawSetupScreen();
6396 }
6397
6398 static void execSetupChooseVolumeLoops(void)
6399 {
6400   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6401
6402   DrawSetupScreen();
6403 }
6404
6405 static void execSetupChooseVolumeMusic(void)
6406 {
6407   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6408
6409   DrawSetupScreen();
6410 }
6411
6412 static void execSetupSound(void)
6413 {
6414   if (volumes_simple == NULL)
6415   {
6416     boolean current_volume_simple_found = FALSE;
6417     int i;
6418
6419     for (i = 0; volumes_list[i].value != -1; i++)
6420     {
6421       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6422       char identifier[32], name[32];
6423       int value = volumes_list[i].value;
6424       char *text = volumes_list[i].text;
6425
6426       ti->node_top = &volumes_simple;
6427       ti->sort_priority = value;
6428
6429       sprintf(identifier, "%d", value);
6430       sprintf(name, "%s", text);
6431
6432       setString(&ti->identifier, identifier);
6433       setString(&ti->name, name);
6434       setString(&ti->name_sorting, name);
6435       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6436
6437       pushTreeInfo(&volumes_simple, ti);
6438
6439       if (value == setup.volume_simple)
6440         current_volume_simple_found = TRUE;
6441     }
6442
6443     if (!current_volume_simple_found)
6444     {
6445       // add entry for non-preset volume value
6446
6447       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6448       char identifier[32], name[32];
6449       int value = setup.volume_simple;
6450
6451       ti->node_top = &volumes_simple;
6452       ti->sort_priority = value;
6453
6454       sprintf(identifier, "%d", value);
6455       sprintf(name, "%d %% (Current)", value);
6456
6457       setString(&ti->identifier, identifier);
6458       setString(&ti->name, name);
6459       setString(&ti->name_sorting, name);
6460       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6461
6462       pushTreeInfo(&volumes_simple, ti);
6463     }
6464
6465     // sort volume values to start with lowest volume value
6466     sortTreeInfo(&volumes_simple);
6467
6468     // set current volume value to configured volume value
6469     volume_simple_current =
6470       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6471
6472     // if that fails, set current volume to reliable default value
6473     if (volume_simple_current == NULL)
6474       volume_simple_current =
6475         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6476
6477     // if that also fails, set current volume to first available value
6478     if (volume_simple_current == NULL)
6479       volume_simple_current = volumes_simple;
6480   }
6481
6482   if (volumes_loops == NULL)
6483   {
6484     boolean current_volume_loops_found = FALSE;
6485     int i;
6486
6487     for (i = 0; volumes_list[i].value != -1; i++)
6488     {
6489       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6490       char identifier[32], name[32];
6491       int value = volumes_list[i].value;
6492       char *text = volumes_list[i].text;
6493
6494       ti->node_top = &volumes_loops;
6495       ti->sort_priority = value;
6496
6497       sprintf(identifier, "%d", value);
6498       sprintf(name, "%s", text);
6499
6500       setString(&ti->identifier, identifier);
6501       setString(&ti->name, name);
6502       setString(&ti->name_sorting, name);
6503       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6504
6505       pushTreeInfo(&volumes_loops, ti);
6506
6507       if (value == setup.volume_loops)
6508         current_volume_loops_found = TRUE;
6509     }
6510
6511     if (!current_volume_loops_found)
6512     {
6513       // add entry for non-preset volume value
6514
6515       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6516       char identifier[32], name[32];
6517       int value = setup.volume_loops;
6518
6519       ti->node_top = &volumes_loops;
6520       ti->sort_priority = value;
6521
6522       sprintf(identifier, "%d", value);
6523       sprintf(name, "%d %% (Current)", value);
6524
6525       setString(&ti->identifier, identifier);
6526       setString(&ti->name, name);
6527       setString(&ti->name_sorting, name);
6528       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6529
6530       pushTreeInfo(&volumes_loops, ti);
6531     }
6532
6533     // sort volume values to start with lowest volume value
6534     sortTreeInfo(&volumes_loops);
6535
6536     // set current volume value to configured volume value
6537     volume_loops_current =
6538       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6539
6540     // if that fails, set current volume to reliable default value
6541     if (volume_loops_current == NULL)
6542       volume_loops_current =
6543         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6544
6545     // if that also fails, set current volume to first available value
6546     if (volume_loops_current == NULL)
6547       volume_loops_current = volumes_loops;
6548   }
6549
6550   if (volumes_music == NULL)
6551   {
6552     boolean current_volume_music_found = FALSE;
6553     int i;
6554
6555     for (i = 0; volumes_list[i].value != -1; i++)
6556     {
6557       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6558       char identifier[32], name[32];
6559       int value = volumes_list[i].value;
6560       char *text = volumes_list[i].text;
6561
6562       ti->node_top = &volumes_music;
6563       ti->sort_priority = value;
6564
6565       sprintf(identifier, "%d", value);
6566       sprintf(name, "%s", text);
6567
6568       setString(&ti->identifier, identifier);
6569       setString(&ti->name, name);
6570       setString(&ti->name_sorting, name);
6571       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6572
6573       pushTreeInfo(&volumes_music, ti);
6574
6575       if (value == setup.volume_music)
6576         current_volume_music_found = TRUE;
6577     }
6578
6579     if (!current_volume_music_found)
6580     {
6581       // add entry for non-preset volume value
6582
6583       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6584       char identifier[32], name[32];
6585       int value = setup.volume_music;
6586
6587       ti->node_top = &volumes_music;
6588       ti->sort_priority = value;
6589
6590       sprintf(identifier, "%d", value);
6591       sprintf(name, "%d %% (Current)", value);
6592
6593       setString(&ti->identifier, identifier);
6594       setString(&ti->name, name);
6595       setString(&ti->name_sorting, name);
6596       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6597
6598       pushTreeInfo(&volumes_music, ti);
6599     }
6600
6601     // sort volume values to start with lowest volume value
6602     sortTreeInfo(&volumes_music);
6603
6604     // set current volume value to configured volume value
6605     volume_music_current =
6606       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6607
6608     // if that fails, set current volume to reliable default value
6609     if (volume_music_current == NULL)
6610       volume_music_current =
6611         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6612
6613     // if that also fails, set current volume to first available value
6614     if (volume_music_current == NULL)
6615       volume_music_current = volumes_music;
6616   }
6617
6618   setup.volume_simple = atoi(volume_simple_current->identifier);
6619   setup.volume_loops  = atoi(volume_loops_current->identifier);
6620   setup.volume_music  = atoi(volume_music_current->identifier);
6621
6622   // needed for displaying volume text instead of identifier
6623   volume_simple_text = volume_simple_current->name;
6624   volume_loops_text = volume_loops_current->name;
6625   volume_music_text = volume_music_current->name;
6626
6627   setup_mode = SETUP_MODE_SOUND;
6628
6629   DrawSetupScreen();
6630 }
6631
6632 static void execSetupChooseTouchControls(void)
6633 {
6634   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6635
6636   DrawSetupScreen();
6637 }
6638
6639 static void execSetupChooseMoveDistance(void)
6640 {
6641   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6642
6643   DrawSetupScreen();
6644 }
6645
6646 static void execSetupChooseDropDistance(void)
6647 {
6648   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6649
6650   DrawSetupScreen();
6651 }
6652
6653 static void execSetupChooseTransparency(void)
6654 {
6655   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6656
6657   DrawSetupScreen();
6658 }
6659
6660 static void execSetupChooseGridXSize_0(void)
6661 {
6662   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6663
6664   DrawSetupScreen();
6665 }
6666
6667 static void execSetupChooseGridYSize_0(void)
6668 {
6669   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6670
6671   DrawSetupScreen();
6672 }
6673
6674 static void execSetupChooseGridXSize_1(void)
6675 {
6676   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6677
6678   DrawSetupScreen();
6679 }
6680
6681 static void execSetupChooseGridYSize_1(void)
6682 {
6683   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6684
6685   DrawSetupScreen();
6686 }
6687
6688 static void execSetupConfigureVirtualButtons(void)
6689 {
6690   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6691
6692   ConfigureVirtualButtons();
6693
6694   setup_mode = SETUP_MODE_TOUCH;
6695
6696   DrawSetupScreen();
6697 }
6698
6699 static void execSetupTouch(void)
6700 {
6701   int i, j, k;
6702
6703   if (touch_controls == NULL)
6704   {
6705     for (i = 0; touch_controls_list[i].value != NULL; i++)
6706     {
6707       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6708       char identifier[32], name[32];
6709       char *value = touch_controls_list[i].value;
6710       char *text = touch_controls_list[i].text;
6711
6712       ti->node_top = &touch_controls;
6713       ti->sort_priority = i;
6714
6715       sprintf(identifier, "%s", value);
6716       sprintf(name, "%s", text);
6717
6718       setString(&ti->identifier, identifier);
6719       setString(&ti->name, name);
6720       setString(&ti->name_sorting, name);
6721       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6722
6723       pushTreeInfo(&touch_controls, ti);
6724     }
6725
6726     // sort touch control values to start with lowest touch control value
6727     sortTreeInfo(&touch_controls);
6728
6729     // set current touch control value to configured touch control value
6730     touch_control_current =
6731       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6732
6733     // if that fails, set current touch control to reliable default value
6734     if (touch_control_current == NULL)
6735       touch_control_current =
6736         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6737
6738     // if that also fails, set current touch control to first available value
6739     if (touch_control_current == NULL)
6740       touch_control_current = touch_controls;
6741   }
6742
6743   if (move_distances == NULL)
6744   {
6745     for (i = 0; distances_list[i].value != -1; i++)
6746     {
6747       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6748       char identifier[32], name[32];
6749       int value = distances_list[i].value;
6750       char *text = distances_list[i].text;
6751
6752       ti->node_top = &move_distances;
6753       ti->sort_priority = value;
6754
6755       sprintf(identifier, "%d", value);
6756       sprintf(name, "%s", text);
6757
6758       setString(&ti->identifier, identifier);
6759       setString(&ti->name, name);
6760       setString(&ti->name_sorting, name);
6761       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6762
6763       pushTreeInfo(&move_distances, ti);
6764     }
6765
6766     // sort distance values to start with lowest distance value
6767     sortTreeInfo(&move_distances);
6768
6769     // set current distance value to configured distance value
6770     move_distance_current =
6771       getTreeInfoFromIdentifier(move_distances,
6772                                 i_to_a(setup.touch.move_distance));
6773
6774     // if that fails, set current distance to reliable default value
6775     if (move_distance_current == NULL)
6776       move_distance_current =
6777         getTreeInfoFromIdentifier(move_distances,
6778                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6779
6780     // if that also fails, set current distance to first available value
6781     if (move_distance_current == NULL)
6782       move_distance_current = move_distances;
6783   }
6784
6785   if (drop_distances == NULL)
6786   {
6787     for (i = 0; distances_list[i].value != -1; i++)
6788     {
6789       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6790       char identifier[32], name[32];
6791       int value = distances_list[i].value;
6792       char *text = distances_list[i].text;
6793
6794       ti->node_top = &drop_distances;
6795       ti->sort_priority = value;
6796
6797       sprintf(identifier, "%d", value);
6798       sprintf(name, "%s", text);
6799
6800       setString(&ti->identifier, identifier);
6801       setString(&ti->name, name);
6802       setString(&ti->name_sorting, name);
6803       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6804
6805       pushTreeInfo(&drop_distances, ti);
6806     }
6807
6808     // sort distance values to start with lowest distance value
6809     sortTreeInfo(&drop_distances);
6810
6811     // set current distance value to configured distance value
6812     drop_distance_current =
6813       getTreeInfoFromIdentifier(drop_distances,
6814                                 i_to_a(setup.touch.drop_distance));
6815
6816     // if that fails, set current distance to reliable default value
6817     if (drop_distance_current == NULL)
6818       drop_distance_current =
6819         getTreeInfoFromIdentifier(drop_distances,
6820                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6821
6822     // if that also fails, set current distance to first available value
6823     if (drop_distance_current == NULL)
6824       drop_distance_current = drop_distances;
6825   }
6826
6827   if (transparencies == NULL)
6828   {
6829     for (i = 0; transparencies_list[i].value != -1; i++)
6830     {
6831       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6832       char identifier[32], name[32];
6833       int value = transparencies_list[i].value;
6834       char *text = transparencies_list[i].text;
6835
6836       ti->node_top = &transparencies;
6837       ti->sort_priority = value;
6838
6839       sprintf(identifier, "%d", value);
6840       sprintf(name, "%s", text);
6841
6842       setString(&ti->identifier, identifier);
6843       setString(&ti->name, name);
6844       setString(&ti->name_sorting, name);
6845       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6846
6847       pushTreeInfo(&transparencies, ti);
6848     }
6849
6850     // sort transparency values to start with lowest transparency value
6851     sortTreeInfo(&transparencies);
6852
6853     // set current transparency value to configured transparency value
6854     transparency_current =
6855       getTreeInfoFromIdentifier(transparencies,
6856                                 i_to_a(setup.touch.transparency));
6857
6858     // if that fails, set current transparency to reliable default value
6859     if (transparency_current == NULL)
6860       transparency_current =
6861         getTreeInfoFromIdentifier(transparencies,
6862                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6863
6864     // if that also fails, set current transparency to first available value
6865     if (transparency_current == NULL)
6866       transparency_current = transparencies;
6867   }
6868
6869   for (i = 0; i < 2; i++)
6870   {
6871     for (j = 0; j < 2; j++)
6872     {
6873       if (grid_sizes[i][j] == NULL)
6874       {
6875         for (k = 0; grid_sizes_list[k].value != -1; k++)
6876         {
6877           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6878           char identifier[32], name[32];
6879           int value = grid_sizes_list[k].value;
6880           char *text = grid_sizes_list[k].text;
6881
6882           ti->node_top = &grid_sizes[i][j];
6883           ti->sort_priority = value;
6884
6885           sprintf(identifier, "%d", value);
6886           sprintf(name, "%s", text);
6887
6888           setString(&ti->identifier, identifier);
6889           setString(&ti->name, name);
6890           setString(&ti->name_sorting, name);
6891           setString(&ti->infotext,
6892                     (i == 0 ?
6893                      (j == 0 ?
6894                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6895                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6896                      (j == 0 ?
6897                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6898                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6899
6900           pushTreeInfo(&grid_sizes[i][j], ti);
6901         }
6902
6903         // sort grid size values to start with lowest grid size value
6904         sortTreeInfo(&grid_sizes[i][j]);
6905
6906         // set current grid size value to configured grid size value
6907         grid_size_current[i][j] =
6908           getTreeInfoFromIdentifier(grid_sizes[i][j],
6909                                     i_to_a(j == 0 ?
6910                                            setup.touch.grid_xsize[i] :
6911                                            setup.touch.grid_ysize[i]));
6912
6913         // if that fails, set current grid size to reliable default value
6914         if (grid_size_current[i][j] == NULL)
6915           grid_size_current[i][j] =
6916             getTreeInfoFromIdentifier(grid_sizes[i][j],
6917                                       i_to_a(j == 0 ?
6918                                              DEFAULT_GRID_XSIZE(i) :
6919                                              DEFAULT_GRID_YSIZE(i)));
6920
6921         // if that also fails, set current grid size to first available value
6922         if (grid_size_current[i][j] == NULL)
6923           grid_size_current[i][j] = grid_sizes[i][j];
6924       }
6925     }
6926   }
6927
6928   setup.touch.control_type = touch_control_current->identifier;
6929   setup.touch.move_distance = atoi(move_distance_current->identifier);
6930   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6931   setup.touch.transparency = atoi(transparency_current->identifier);
6932
6933   for (i = 0; i < 2; i++)
6934   {
6935     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6936     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6937
6938     if (i == GRID_ACTIVE_NR())
6939     {
6940       overlay.grid_xsize = setup.touch.grid_xsize[i];
6941       overlay.grid_ysize = setup.touch.grid_ysize[i];
6942     }
6943   }
6944
6945   // needed for displaying value text instead of identifier
6946   touch_controls_text = touch_control_current->name;
6947   move_distance_text = move_distance_current->name;
6948   drop_distance_text = drop_distance_current->name;
6949   transparency_text = transparency_current->name;
6950
6951   for (i = 0; i < 2; i++)
6952     for (j = 0; j < 2; j++)
6953       grid_size_text[i][j] = grid_size_current[i][j]->name;
6954
6955   setup_mode = SETUP_MODE_TOUCH;
6956
6957   DrawSetupScreen();
6958 }
6959
6960 static void execSetupArtwork(void)
6961 {
6962   static ArtworkDirTree *gfx_last_valid = NULL;
6963   static ArtworkDirTree *snd_last_valid = NULL;
6964   static ArtworkDirTree *mus_last_valid = NULL;
6965
6966   // current artwork directory may be invalid (level group, parent link)
6967   if (!validLevelSeries(artwork.gfx_current))
6968     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6969   if (!validLevelSeries(artwork.snd_current))
6970     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6971   if (!validLevelSeries(artwork.mus_current))
6972     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6973
6974   // store valid artwork directory information
6975   gfx_last_valid = artwork.gfx_current;
6976   snd_last_valid = artwork.snd_current;
6977   mus_last_valid = artwork.mus_current;
6978
6979 #if 0
6980   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6981         artwork.gfx_current->subdir,
6982         artwork.gfx_current->fullpath,
6983         artwork.gfx_current->basepath);
6984 #endif
6985
6986   setup.graphics_set = artwork.gfx_current->identifier;
6987   setup.sounds_set = artwork.snd_current->identifier;
6988   setup.music_set = artwork.mus_current->identifier;
6989
6990   // needed if last screen (setup choice) changed graphics, sounds or music
6991   ReloadCustomArtwork(0);
6992
6993   // needed for displaying artwork name instead of artwork identifier
6994   graphics_set_name = artwork.gfx_current->name;
6995   sounds_set_name = artwork.snd_current->name;
6996   music_set_name = artwork.mus_current->name;
6997
6998   setup_mode = SETUP_MODE_ARTWORK;
6999
7000   DrawSetupScreen();
7001 }
7002
7003 static void execSetupChooseGraphics(void)
7004 {
7005   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
7006
7007   DrawSetupScreen();
7008 }
7009
7010 static void execSetupChooseSounds(void)
7011 {
7012   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
7013
7014   DrawSetupScreen();
7015 }
7016
7017 static void execSetupChooseMusic(void)
7018 {
7019   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
7020
7021   DrawSetupScreen();
7022 }
7023
7024 static void execSetupInput(void)
7025 {
7026   setup_mode = SETUP_MODE_INPUT;
7027
7028   DrawSetupScreen();
7029 }
7030
7031 static void execSetupShortcuts(void)
7032 {
7033   setup_mode = SETUP_MODE_SHORTCUTS;
7034
7035   DrawSetupScreen();
7036 }
7037
7038 static void execSetupShortcuts1(void)
7039 {
7040   setup_mode = SETUP_MODE_SHORTCUTS_1;
7041
7042   DrawSetupScreen();
7043 }
7044
7045 static void execSetupShortcuts2(void)
7046 {
7047   setup_mode = SETUP_MODE_SHORTCUTS_2;
7048
7049   DrawSetupScreen();
7050 }
7051
7052 static void execSetupShortcuts3(void)
7053 {
7054   setup_mode = SETUP_MODE_SHORTCUTS_3;
7055
7056   DrawSetupScreen();
7057 }
7058
7059 static void execSetupShortcuts4(void)
7060 {
7061   setup_mode = SETUP_MODE_SHORTCUTS_4;
7062
7063   DrawSetupScreen();
7064 }
7065
7066 static void execSetupShortcuts5(void)
7067 {
7068   setup_mode = SETUP_MODE_SHORTCUTS_5;
7069
7070   DrawSetupScreen();
7071 }
7072
7073 static void execExitSetup(void)
7074 {
7075   SetGameStatus(GAME_MODE_MAIN);
7076
7077   DrawMainMenu();
7078 }
7079
7080 static void execSaveAndExitSetup(void)
7081 {
7082   SaveSetup();
7083   execExitSetup();
7084 }
7085
7086 static void execGadgetNetworkServer(void)
7087 {
7088   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7089   struct GadgetInfo *gi = screen_gadget[gadget_id];
7090
7091   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7092     network_server_hostname[0] = '\0';
7093
7094   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7095
7096   MapGadget(gi);
7097
7098   ClickOnGadget(gi, MB_LEFTBUTTON);
7099 }
7100
7101 static void execOfferUploadTapes(void)
7102 {
7103   OfferUploadTapes();
7104 }
7105
7106 static void ToggleNetworkModeIfNeeded(void)
7107 {
7108   int font_title = FONT_TITLE_1;
7109   int font_foot = FC_BLUE;
7110   int ystart  = mSY - SY + 16;
7111   int ybottom = mSY - SY + SYSIZE - 20;
7112   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7113
7114   if (setup.network_mode == network.enabled)
7115     return;
7116
7117   network.enabled = setup.network_mode;
7118
7119   FadeOut(REDRAW_ALL);
7120
7121   ClearField();
7122
7123   DrawTextSCentered(ystart, font_title, text);
7124
7125   FadeIn(REDRAW_ALL);
7126
7127   if (network.enabled)
7128     InitNetworkServer();
7129   else
7130     DisconnectFromNetworkServer();
7131
7132   DrawTextSCentered(ybottom, font_foot,
7133                     "Press any key or button for setup menu");
7134
7135   WaitForEventToContinue();
7136
7137   DrawSetupScreen();
7138 }
7139
7140 static void ToggleGameSpeedsListIfNeeded(void)
7141 {
7142   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7143
7144   if (setup.game_speed_extended == using_game_speeds_extended)
7145     return;
7146
7147   // try to match similar values when changing game speeds list
7148   if (setup.game_speed_extended)
7149     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7150                               setup.game_frame_delay == 30 ? 29 :
7151                               setup.game_frame_delay);
7152   else
7153     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7154                               setup.game_frame_delay == 16 ? 15 :
7155                               setup.game_frame_delay >= 29 ? 30 :
7156                               setup.game_frame_delay <= 10 ? 10 :
7157                               setup.game_frame_delay);
7158
7159   execSetupGame_setGameSpeeds(TRUE);
7160
7161   DrawSetupScreen();
7162 }
7163
7164 static void ToggleUseApiServerIfNeeded(void)
7165 {
7166   if (runtime.use_api_server == setup.use_api_server)
7167     return;
7168
7169   runtime.use_api_server = setup.use_api_server;
7170
7171   if (runtime.use_api_server)
7172   {
7173     if (setup.has_remaining_tapes)
7174       setup.ask_for_uploading_tapes = TRUE;
7175
7176     CheckApiServerTasks();
7177   }
7178 }
7179
7180 static void ModifyGameSpeedIfNeeded(void)
7181 {
7182   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7183       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7184     return;
7185
7186   char message[100];
7187   char *game_speed_text = "Fast";
7188   int game_speed_value = 15;
7189
7190   if (setup.game_speed_extended)
7191   {
7192     game_speed_text = "60 fps";
7193     game_speed_value = 16;
7194   }
7195
7196   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7197
7198   // set game speed to existing list value that is fast enough for vsync
7199   setup.game_frame_delay = game_speed_value;
7200
7201   execSetupGame_setGameSpeeds(TRUE);
7202
7203   Request(message, REQ_CONFIRM);
7204 }
7205
7206 static void DisableVsyncIfNeeded(void)
7207 {
7208   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7209       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7210        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7211     return;
7212
7213   // disable vsync for the selected game speed to work
7214   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7215
7216   execSetupGraphics_setVsyncModes(TRUE);
7217
7218   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7219 }
7220
7221 static struct
7222 {
7223   void *value;
7224   void *related_value;
7225 } hide_related_entry_list[] =
7226 {
7227   { &setup.network_server_hostname,     execGadgetNetworkServer         },
7228   { &setup.network_server_hostname,     &network_server_text            },
7229
7230   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7231   { &setup.scores_in_highscore_list,    &scores_type_text               },
7232
7233   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7234   { &setup.game_frame_delay,            &game_speed_text                },
7235
7236   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7237   { &setup.scroll_delay_value,          &scroll_delay_text              },
7238
7239   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7240   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7241
7242   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7243   { &setup.window_scaling_percent,      &window_size_text               },
7244
7245   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7246   { &setup.window_scaling_quality,      &scaling_type_text              },
7247
7248   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7249   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7250
7251   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7252   { &setup.vsync_mode,                  &vsync_mode_text                },
7253
7254   { &setup.graphics_set,                execSetupChooseGraphics         },
7255   { &setup.graphics_set,                &graphics_set_name              },
7256
7257   { &setup.sounds_set,                  execSetupChooseSounds           },
7258   { &setup.sounds_set,                  &sounds_set_name                },
7259
7260   { &setup.music_set,                   execSetupChooseMusic            },
7261   { &setup.music_set,                   &music_set_name                 },
7262
7263   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7264   { &setup.volume_simple,               &volume_simple_text             },
7265
7266   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7267   { &setup.volume_loops,                &volume_loops_text              },
7268
7269   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7270   { &setup.volume_music,                &volume_music_text              },
7271
7272   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7273   { &setup.touch.control_type,          &touch_controls_text            },
7274
7275   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7276   { &setup.touch.move_distance,         &move_distance_text             },
7277
7278   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7279   { &setup.touch.drop_distance,         &drop_distance_text             },
7280
7281   { &setup.touch.transparency,          execSetupChooseTransparency     },
7282   { &setup.touch.transparency,          &transparency_text              },
7283
7284   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7285   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7286
7287   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7288   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7289
7290   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7291   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7292
7293   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7294   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7295
7296   { &setup.internal.menu_game,          execSetupGame                   },
7297   { &setup.internal.menu_engines,       execSetupEngines                },
7298   { &setup.internal.menu_editor,        execSetupEditor                 },
7299   { &setup.internal.menu_graphics,      execSetupGraphics               },
7300   { &setup.internal.menu_sound,         execSetupSound                  },
7301   { &setup.internal.menu_artwork,       execSetupArtwork                },
7302   { &setup.internal.menu_input,         execSetupInput                  },
7303   { &setup.internal.menu_touch,         execSetupTouch                  },
7304   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7305   { &setup.internal.menu_exit,          execExitSetup                   },
7306   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7307
7308   { &setup.internal.menu_shortcuts_various,     execSetupShortcuts1     },
7309   { &setup.internal.menu_shortcuts_focus,       execSetupShortcuts2     },
7310   { &setup.internal.menu_shortcuts_tape,        execSetupShortcuts3     },
7311   { &setup.internal.menu_shortcuts_sound,       execSetupShortcuts4     },
7312   { &setup.internal.menu_shortcuts_snap,        execSetupShortcuts5     },
7313
7314   { &setup.internal.info_title,         execInfoTitleScreen             },
7315   { &setup.internal.info_elements,      execInfoElements                },
7316   { &setup.internal.info_music,         execInfoMusic                   },
7317   { &setup.internal.info_credits,       execInfoCredits                 },
7318   { &setup.internal.info_program,       execInfoProgram                 },
7319   { &setup.internal.info_version,       execInfoVersion                 },
7320   { &setup.internal.info_levelset,      execInfoLevelSet                },
7321   { &setup.internal.info_exit,          execExitInfo                    },
7322
7323   { NULL,                               NULL                            }
7324 };
7325
7326 void setHideRelatedSetupEntries(void)
7327 {
7328   int i;
7329
7330   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7331     if (hideSetupEntry(hide_related_entry_list[i].value))
7332       setHideSetupEntry(hide_related_entry_list[i].related_value);
7333 }
7334
7335 static struct TokenInfo setup_info_main[] =
7336 {
7337   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7338   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7339   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7340   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7341   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7342   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7343   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7344   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7345   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7346   { TYPE_EMPTY,         NULL,                   ""                      },
7347   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7348   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7349
7350   { 0,                  NULL,                   NULL                    }
7351 };
7352
7353 static struct TokenInfo setup_info_game[] =
7354 {
7355   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7356   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7357   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7358   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7359   { TYPE_STRING,        &network_server_text,   ""                      },
7360   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7361   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7362   { TYPE_STRING,        &scores_type_text,      ""                      },
7363   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7364   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7365   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7366   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7367   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7368   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7369   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7370   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7371   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7372   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7373   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7374   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7375   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7376   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record When Playing:" },
7377   { TYPE_SWITCH,        &setup.autorecord_after_replay, "Auto-Record After Replay:" },
7378   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7379   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7380   { TYPE_STRING,        &game_speed_text,       ""                      },
7381   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7382 #if 1
7383   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7384   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7385 #endif
7386   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7387   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7388   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7389   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7390   { TYPE_EMPTY,         NULL,                   ""                      },
7391   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7392
7393   { 0,                  NULL,                   NULL                    }
7394 };
7395
7396 static struct TokenInfo setup_info_engines[] =
7397 {
7398   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7399   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7400   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7401   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7402   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7403   { TYPE_EMPTY,         NULL,                   ""                      },
7404   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7405   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7406   { TYPE_EMPTY,         NULL,                   ""                      },
7407   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7408
7409   { 0,                  NULL,                   NULL                    }
7410 };
7411
7412 static struct TokenInfo setup_info_editor[] =
7413 {
7414 #if 0
7415   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7416   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7417   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7418   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7419   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7420   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7421   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7422   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7423   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7424   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7425 #endif
7426   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7427   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7428 #if 0
7429   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7430 #endif
7431   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7432   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7433   { TYPE_EMPTY,         NULL,                   ""                      },
7434 #if 0
7435   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7436   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7437   { TYPE_EMPTY,         NULL,                   ""                      },
7438 #endif
7439   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7440   { TYPE_EMPTY,         NULL,                   ""                      },
7441   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7442   { TYPE_EMPTY,         NULL,                   ""                      },
7443   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7444
7445   { 0,                  NULL,                   NULL                    }
7446 };
7447
7448 static struct TokenInfo setup_info_graphics[] =
7449 {
7450 #if !defined(PLATFORM_ANDROID) && !defined(PLATFORM_EMSCRIPTEN)
7451   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7452   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7453   { TYPE_STRING,        &window_size_text,      ""                      },
7454   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7455   { TYPE_STRING,        &scaling_type_text,     ""                      },
7456   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7457   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7458 #endif
7459 #if 0
7460   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7461   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7462 #endif
7463 #if !defined(PLATFORM_EMSCRIPTEN)
7464   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7465   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7466 #endif
7467   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7468   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7469   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7470   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7471   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7472   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7473   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7474   { TYPE_EMPTY,         NULL,                   ""                      },
7475   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7476
7477   { 0,                  NULL,                   NULL                    }
7478 };
7479
7480 static struct TokenInfo setup_info_sound[] =
7481 {
7482   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7483   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7484   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7485   { TYPE_EMPTY,         NULL,                   ""                      },
7486   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7487   { TYPE_STRING,        &volume_simple_text,    ""                      },
7488   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7489   { TYPE_STRING,        &volume_loops_text,     ""                      },
7490   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7491   { TYPE_STRING,        &volume_music_text,     ""                      },
7492   { TYPE_EMPTY,         NULL,                   ""                      },
7493   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7494
7495   { 0,                  NULL,                   NULL                    }
7496 };
7497
7498 static struct TokenInfo setup_info_artwork[] =
7499 {
7500   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7501   { TYPE_STRING,        &graphics_set_name,     ""                      },
7502   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7503   { TYPE_STRING,        &sounds_set_name,       ""                      },
7504   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7505   { TYPE_STRING,        &music_set_name,        ""                      },
7506   { TYPE_EMPTY,         NULL,                   ""                      },
7507   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7508   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7509   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7510   { TYPE_EMPTY,         NULL,                   ""                      },
7511   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7512
7513   { 0,                  NULL,                   NULL                    }
7514 };
7515
7516 static struct TokenInfo setup_info_input[] =
7517 {
7518   { TYPE_SWITCH,        NULL,                   "Player:"               },
7519   { TYPE_SWITCH,        NULL,                   "Device:"               },
7520   { TYPE_SWITCH,        NULL,                   ""                      },
7521   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7522   { TYPE_EMPTY,         NULL,                   ""                      },
7523   { TYPE_EMPTY,         NULL,                   ""                      },
7524   { TYPE_EMPTY,         NULL,                   ""                      },
7525   { TYPE_EMPTY,         NULL,                   ""                      },
7526   { TYPE_EMPTY,         NULL,                   ""                      },
7527   { TYPE_EMPTY,         NULL,                   ""                      },
7528   { TYPE_EMPTY,         NULL,                   ""                      },
7529   { TYPE_EMPTY,         NULL,                   ""                      },
7530   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7531   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7532
7533   { 0,                  NULL,                   NULL                    }
7534 };
7535
7536 static struct TokenInfo setup_info_touch[] =
7537 {
7538   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7539   { TYPE_STRING,        &touch_controls_text,   ""                      },
7540   { TYPE_EMPTY,         NULL,                   ""                      },
7541   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7542
7543   { 0,                  NULL,                   NULL                    }
7544 };
7545
7546 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7547 {
7548   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7549   { TYPE_STRING,        &touch_controls_text,   ""                      },
7550   { TYPE_EMPTY,         NULL,                   ""                      },
7551   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7552   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7553   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7554   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7555   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7556   { TYPE_STRING,        &transparency_text,     ""                      },
7557   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7558   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7559   { TYPE_EMPTY,         NULL,                   ""                      },
7560   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7561   { TYPE_EMPTY,         NULL,                   ""                      },
7562   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7563
7564   { 0,                  NULL,                   NULL                    }
7565 };
7566
7567 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7568 {
7569   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7570   { TYPE_STRING,        &touch_controls_text,   ""                      },
7571   { TYPE_EMPTY,         NULL,                   ""                      },
7572   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7573   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7574   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7575   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7576   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7577   { TYPE_STRING,        &transparency_text,     ""                      },
7578   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7579   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7580   { TYPE_EMPTY,         NULL,                   ""                      },
7581   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7582   { TYPE_EMPTY,         NULL,                   ""                      },
7583   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7584
7585   { 0,                  NULL,                   NULL                    }
7586 };
7587
7588 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7589 {
7590   setup_info_touch_virtual_buttons_0,
7591   setup_info_touch_virtual_buttons_1
7592 };
7593
7594 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7595 {
7596   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7597   { TYPE_STRING,        &touch_controls_text,   ""                      },
7598   { TYPE_EMPTY,         NULL,                   ""                      },
7599   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7600   { TYPE_STRING,        &move_distance_text,    ""                      },
7601   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7602   { TYPE_STRING,        &drop_distance_text,    ""                      },
7603   { TYPE_EMPTY,         NULL,                   ""                      },
7604   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7605
7606   { 0,                  NULL,                   NULL                    }
7607 };
7608
7609 static struct TokenInfo setup_info_shortcuts[] =
7610 {
7611   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7612   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7613   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7614   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7615   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7616   { TYPE_EMPTY,         NULL,                   ""                      },
7617   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7618
7619   { 0,                  NULL,                   NULL                    }
7620 };
7621
7622 static struct TokenInfo setup_info_shortcuts_1[] =
7623 {
7624   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7625   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7626   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7627   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7628   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7629   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7630   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7631   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7632   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7633   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7634   { TYPE_EMPTY,         NULL,                   ""                      },
7635   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7636   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7637   { TYPE_EMPTY,         NULL,                   ""                      },
7638   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7639
7640   { 0,                  NULL,                   NULL                    }
7641 };
7642
7643 static struct TokenInfo setup_info_shortcuts_2[] =
7644 {
7645   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7646   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7647   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7648   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7649   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7650   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7651   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7652   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7653   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7654   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7655   { TYPE_EMPTY,         NULL,                   ""                      },
7656   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7657
7658   { 0,                  NULL,                   NULL                    }
7659 };
7660
7661 static struct TokenInfo setup_info_shortcuts_3[] =
7662 {
7663   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7664   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7665   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7666   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7667   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7668   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7669   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7670   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7671   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7672   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7673   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7674   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7675   { TYPE_EMPTY,         NULL,                   ""                      },
7676   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7677
7678   { 0,                  NULL,                   NULL                    }
7679 };
7680
7681 static struct TokenInfo setup_info_shortcuts_4[] =
7682 {
7683   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7684   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7685   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7686   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7687   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7688   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7689   { TYPE_EMPTY,         NULL,                   ""                      },
7690   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7691
7692   { 0,                  NULL,                   NULL                    }
7693 };
7694
7695 static struct TokenInfo setup_info_shortcuts_5[] =
7696 {
7697   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7698   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7699   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7700   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7701   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7702   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7703   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7704   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7705   { TYPE_EMPTY,         NULL,                   ""                      },
7706   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7707
7708   { 0,                  NULL,                   NULL                    }
7709 };
7710
7711 static Key getSetupKey(void)
7712 {
7713   Key key = KSYM_UNDEFINED;
7714   boolean got_key_event = FALSE;
7715
7716   while (!got_key_event)
7717   {
7718     Event event;
7719
7720     if (NextValidEvent(&event))
7721     {
7722       switch (event.type)
7723       {
7724         case EVENT_KEYPRESS:
7725           {
7726             key = GetEventKey((KeyEvent *)&event);
7727
7728             // press 'Escape' or 'Enter' to keep the existing key binding
7729             if (key == KSYM_Escape || key == KSYM_Return)
7730               key = KSYM_UNDEFINED;     // keep old value
7731
7732             got_key_event = TRUE;
7733           }
7734           break;
7735
7736         case EVENT_KEYRELEASE:
7737           key_joystick_mapping = 0;
7738           break;
7739
7740         default:
7741           HandleOtherEvents(&event);
7742           break;
7743       }
7744     }
7745
7746     BackToFront();
7747   }
7748
7749   return key;
7750 }
7751
7752 static int getSetupValueFont(int type, void *value)
7753 {
7754   if (type & TYPE_GHOSTED)
7755     return FONT_OPTION_OFF;
7756   else if (type & TYPE_KEY)
7757     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7758   else if (type & TYPE_STRING)
7759     return FONT_VALUE_2;
7760   else if (type & TYPE_ECS_AGA)
7761     return FONT_VALUE_1;
7762   else if (type & TYPE_BOOLEAN_STYLE)
7763     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7764   else if (type & TYPE_YES_NO_AUTO)
7765     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7766             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7767   else if (type & TYPE_PLAYER)
7768     return FONT_VALUE_1;
7769   else
7770     return FONT_VALUE_1;
7771 }
7772
7773 static int getSetupValueFontNarrow(int type, int font_nr)
7774 {
7775   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7776           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7777           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7778           font_nr);
7779 }
7780
7781 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7782 {
7783   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7784   struct TokenInfo *si = &setup_info[si_pos];
7785   boolean font_draw_xoffset_modified = FALSE;
7786   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7787   int font_draw_xoffset_old = -1;
7788   int xoffset = (scrollbar_needed ? -1 : 0);
7789   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7790   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7791   int xpos = menu_screen_value_xpos;
7792   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7793   int startx = mSX + xpos * 32;
7794   int starty = mSY + ypos * 32;
7795   int type = si->type;
7796   void *value = si->value;
7797   char *value_string = getSetupValue(type, value);
7798   int font_nr_default = getSetupValueFont(type, value);
7799   int font_width_default = getFontWidth(font_nr_default);
7800   int font_nr = font_nr_default;
7801   int i;
7802
7803   if (value_string == NULL)
7804     return;
7805
7806   if (type & TYPE_KEY)
7807   {
7808     xpos = MENU_SCREEN_START_XPOS;
7809
7810     if (type & TYPE_QUERY)
7811       value_string = "<press key>";
7812   }
7813   else if (type & TYPE_STRING)
7814   {
7815     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7816
7817     xpos = MENU_SCREEN_START_XPOS;
7818
7819     if (strlen(value_string) > max_value_len)
7820       value_string[max_value_len] = '\0';
7821   }
7822   else if (type & TYPE_YES_NO_AUTO)
7823   {
7824     xpos = menu_screen_value_xpos - 1;
7825   }
7826   else if (type & TYPE_PLAYER)
7827   {
7828     int displayed_player_nr = *(int *)value + 1;
7829
7830     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7831   }
7832
7833   startx = mSX + xpos * 32;
7834   starty = mSY + ypos * 32;
7835
7836   // special check if right-side setup values moved left due to scrollbar
7837   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7838   {
7839     int max_menu_text_length = 26;      // maximum text length for classic menu
7840     int font_xoffset = getFontDrawOffsetX(font_nr);
7841     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7842     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7843     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7844     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7845
7846     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7847     {
7848       // when using narrow font, left-shifting text "auto" not needed
7849       if (type & TYPE_YES_NO_AUTO)
7850         xpos += 1;
7851
7852       xpos += 1;
7853       startx = mSX + xpos * 32;
7854
7855       font_nr = getSetupValueFontNarrow(type, font_nr);
7856     }
7857   }
7858
7859   // downward compatibility correction for Juergen Bonhagen's menu settings
7860   if (setup_mode != SETUP_MODE_INPUT)
7861   {
7862     int max_menu_text_length_big = (menu_screen_value_xpos -
7863                                     MENU_SCREEN_START_XPOS);
7864     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7865     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7866     int font1_xoffset = getFontDrawOffsetX(font_nr);
7867     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7868     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7869     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7870     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7871     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7872     boolean correct_font_draw_xoffset = FALSE;
7873
7874     if (xpos == MENU_SCREEN_START_XPOS &&
7875         startx + font1_xoffset < text_startx + text_font_xoffset)
7876       correct_font_draw_xoffset = TRUE;
7877
7878     if (xpos == menu_screen_value_xpos &&
7879         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7880       correct_font_draw_xoffset = TRUE;
7881
7882     // check if setup value would overlap with setup text when printed
7883     // (this can happen for extreme/wrong values for font draw offset)
7884     if (correct_font_draw_xoffset)
7885     {
7886       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7887       font_draw_xoffset_modified = TRUE;
7888
7889       if (type & TYPE_KEY)
7890         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7891       else if (!(type & TYPE_STRING))
7892         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7893           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7894     }
7895   }
7896
7897   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7898     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7899
7900   DrawText(startx, starty, value_string, font_nr);
7901
7902   if (type & TYPE_PLAYER)
7903   {
7904     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7905     int player_nr = *(int *)value;
7906     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7907     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7908     int startx2 = startx + xoff;
7909     int starty2 = starty + yoff;
7910
7911     if (DrawingOnBackground(startx2, starty2))
7912       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7913
7914     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7915                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7916   }
7917
7918   if (font_draw_xoffset_modified)
7919     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7920 }
7921
7922 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7923 {
7924   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7925   struct TokenInfo *si = &setup_info[si_pos];
7926
7927   if (si->type & TYPE_BOOLEAN_STYLE)
7928   {
7929     *(boolean *)si->value ^= TRUE;
7930   }
7931   else if (si->type & TYPE_YES_NO_AUTO)
7932   {
7933     *(int *)si->value =
7934       (dx == -1 ?
7935        (*(int *)si->value == AUTO ? TRUE :
7936         *(int *)si->value == TRUE ? FALSE : AUTO) :
7937        (*(int *)si->value == TRUE ? AUTO :
7938         *(int *)si->value == AUTO ? FALSE : TRUE));
7939   }
7940   else if (si->type & TYPE_KEY)
7941   {
7942     Key key;
7943
7944     si->type |= TYPE_QUERY;
7945     drawSetupValue(screen_pos, setup_info_pos_raw);
7946     si->type &= ~TYPE_QUERY;
7947
7948     key = getSetupKey();
7949     if (key != KSYM_UNDEFINED)
7950       *(Key *)si->value = key;
7951   }
7952   else if (si->type & TYPE_PLAYER)
7953   {
7954     int player_nr = *(int *)si->value;
7955
7956     if (dx)
7957       player_nr += dx;
7958     else
7959       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7960
7961     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7962   }
7963
7964   drawSetupValue(screen_pos, setup_info_pos_raw);
7965
7966   // fullscreen state may have changed at this point
7967   if (si->value == &setup.fullscreen)
7968     ToggleFullscreenIfNeeded();
7969
7970   // network mode may have changed at this point
7971   if (si->value == &setup.network_mode)
7972     ToggleNetworkModeIfNeeded();
7973
7974   // API server mode may have changed at this point
7975   if (si->value == &setup.use_api_server)
7976     ToggleUseApiServerIfNeeded();
7977
7978   // game speed list may have changed at this point
7979   if (si->value == &setup.game_speed_extended)
7980     ToggleGameSpeedsListIfNeeded();
7981 }
7982
7983 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7984 {
7985   static struct TokenInfo *setup_info_final = NULL;
7986   int list_size = 0;
7987   int list_pos = 0;
7988   int i;
7989
7990   // determine maximum list size of target list
7991   while (setup_info_orig[list_size++].type != 0);
7992
7993   // free, allocate and clear memory for target list
7994   checked_free(setup_info_final);
7995   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7996
7997   // copy setup info list without setup entries marked as hidden
7998   for (i = 0; setup_info_orig[i].type != 0; i++)
7999   {
8000     // skip setup entries configured to be hidden
8001     if (hideSetupEntry(setup_info_orig[i].value))
8002       continue;
8003
8004     // skip skippable setup entries if screen is lower than usual
8005     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
8006         setup_info_orig[i].type == TYPE_SKIPPABLE)
8007       continue;
8008
8009     setup_info_final[list_pos++] = setup_info_orig[i];
8010   }
8011
8012   return setup_info_final;
8013 }
8014
8015 static void DrawSetupScreen_Generic(void)
8016 {
8017   int fade_mask = REDRAW_FIELD;
8018   boolean redraw_all = FALSE;
8019   char *title_string = NULL;
8020   int i;
8021
8022   if (CheckFadeAll())
8023     fade_mask = REDRAW_ALL;
8024
8025   UnmapAllGadgets();
8026   FadeMenuSoundsAndMusic();
8027
8028   FreeScreenGadgets();
8029   CreateScreenGadgets();
8030
8031   if (redraw_mask & REDRAW_ALL)
8032     redraw_all = TRUE;
8033
8034   FadeOut(fade_mask);
8035
8036   // needed if different viewport properties defined for setup screen
8037   ChangeViewportPropertiesIfNeeded();
8038
8039   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
8040
8041   ClearField();
8042
8043   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
8044
8045   if (setup_mode == SETUP_MODE_MAIN)
8046   {
8047     setup_info = setup_info_main;
8048     title_string = STR_SETUP_MAIN;
8049   }
8050   else if (setup_mode == SETUP_MODE_GAME)
8051   {
8052     setup_info = setup_info_game;
8053     title_string = STR_SETUP_GAME;
8054   }
8055   else if (setup_mode == SETUP_MODE_ENGINES)
8056   {
8057     setup_info = setup_info_engines;
8058     title_string = STR_SETUP_ENGINES;
8059   }
8060   else if (setup_mode == SETUP_MODE_EDITOR)
8061   {
8062     setup_info = setup_info_editor;
8063     title_string = STR_SETUP_EDITOR;
8064   }
8065   else if (setup_mode == SETUP_MODE_GRAPHICS)
8066   {
8067     setup_info = setup_info_graphics;
8068     title_string = STR_SETUP_GRAPHICS;
8069   }
8070   else if (setup_mode == SETUP_MODE_SOUND)
8071   {
8072     setup_info = setup_info_sound;
8073     title_string = STR_SETUP_SOUND;
8074   }
8075   else if (setup_mode == SETUP_MODE_ARTWORK)
8076   {
8077     setup_info = setup_info_artwork;
8078     title_string = STR_SETUP_ARTWORK;
8079   }
8080   else if (setup_mode == SETUP_MODE_TOUCH)
8081   {
8082     setup_info = setup_info_touch;
8083     title_string = STR_SETUP_TOUCH;
8084
8085     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8086       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8087     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8088       setup_info = setup_info_touch_wipe_gestures;
8089   }
8090   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8091   {
8092     setup_info = setup_info_shortcuts;
8093     title_string = STR_SETUP_SHORTCUTS;
8094   }
8095   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8096   {
8097     setup_info = setup_info_shortcuts_1;
8098     title_string = STR_SETUP_SHORTCUTS;
8099   }
8100   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8101   {
8102     setup_info = setup_info_shortcuts_2;
8103     title_string = STR_SETUP_SHORTCUTS;
8104   }
8105   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8106   {
8107     setup_info = setup_info_shortcuts_3;
8108     title_string = STR_SETUP_SHORTCUTS;
8109   }
8110   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8111   {
8112     setup_info = setup_info_shortcuts_4;
8113     title_string = STR_SETUP_SHORTCUTS;
8114   }
8115   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8116   {
8117     setup_info = setup_info_shortcuts_5;
8118     title_string = STR_SETUP_SHORTCUTS;
8119   }
8120
8121   // use modified setup info without setup entries marked as hidden
8122   setup_info = getSetupInfoFinal(setup_info);
8123
8124   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8125
8126   // determine maximal number of setup entries that can be displayed on screen
8127   num_setup_info = 0;
8128   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8129     num_setup_info++;
8130
8131   // determine maximal number of setup entries available for this setup screen
8132   max_setup_info = 0;
8133   for (i = 0; setup_info[i].type != 0; i++)
8134     max_setup_info++;
8135
8136   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8137
8138   MapScreenGadgets(max_setup_info);
8139
8140   if (redraw_all)
8141     redraw_mask = fade_mask = REDRAW_ALL;
8142
8143   DrawMaskedBorder(fade_mask);
8144
8145   FadeIn(fade_mask);
8146 }
8147
8148 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8149 {
8150   menu_info = setup_info;
8151
8152   HandleMenuScreen(mx, my, dx, dy, button,
8153                    setup_mode, num_setup_info, max_setup_info);
8154 }
8155
8156 static void DrawSetupScreen_Input(void)
8157 {
8158   int i;
8159
8160   FadeOut(REDRAW_FIELD);
8161
8162   ClearField();
8163
8164   setup_info = getSetupInfoFinal(setup_info_input);
8165
8166   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8167
8168   for (i = 0; setup_info[i].type != 0; i++)
8169   {
8170     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8171       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8172     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8173       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8174     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8175       initCursor(i, IMG_MENU_BUTTON);
8176
8177     DrawCursorAndText_Setup(i, -1, FALSE);
8178   }
8179
8180   // create gadgets for setup input menu screen
8181   FreeScreenGadgets();
8182   CreateScreenGadgets();
8183
8184   // map gadgets for setup input menu screen
8185   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8186
8187   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8188
8189   FadeIn(REDRAW_FIELD);
8190 }
8191
8192 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8193 {
8194   if (device_name == NULL)
8195     return;
8196
8197   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8198     device_nr = 0;
8199
8200   if (strlen(device_name) > 1)
8201   {
8202     char c1 = device_name[strlen(device_name) - 1];
8203     char c2 = device_name[strlen(device_name) - 2];
8204
8205     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8206       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8207   }
8208   else
8209     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8210             strlen(device_name));
8211 }
8212
8213 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8214 {
8215   int i;
8216   static struct SetupKeyboardInfo custom_key;
8217   static struct
8218   {
8219     Key *key;
8220     char *text;
8221   } custom[] =
8222   {
8223     { &custom_key.left,  "Axis/Pad Left"  },
8224     { &custom_key.right, "Axis/Pad Right" },
8225     { &custom_key.up,    "Axis/Pad Up"    },
8226     { &custom_key.down,  "Axis/Pad Down"  },
8227     { &custom_key.snap,  "Button 1/A/X"   },
8228     { &custom_key.drop,  "Button 2/B/Y"   }
8229   };
8230   static char *joystick_name[MAX_PLAYERS] =
8231   {
8232     "Joystick1",
8233     "Joystick2",
8234     "Joystick3",
8235     "Joystick4"
8236   };
8237   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8238   int font_nr_info = FONT_MENU_1;
8239   int font_nr_name = FONT_VALUE_OLD;
8240   int font_nr_on   = FONT_VALUE_1;
8241   int font_nr_off  = FONT_VALUE_OLD;
8242   int pos = 4;
8243
8244   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8245   {
8246     font_nr_info = FONT_MENU_2;
8247     font_nr_on   = FONT_VALUE_NARROW;
8248     font_nr_off  = FONT_VALUE_OLD_NARROW;
8249   }
8250
8251   custom_key = setup.input[player_nr].key;
8252
8253   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8254            FONT_INPUT_1_ACTIVE);
8255
8256   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8257                              TILEX, TILEY);
8258   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8259                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8260
8261   if (setup.input[player_nr].use_joystick)
8262   {
8263     char *device_name = setup.input[player_nr].joy.device_name;
8264     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8265     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8266     char *text = joystick_name[joystick_nr];
8267     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8268
8269     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8270     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8271   }
8272   else
8273   {
8274     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8275     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8276   }
8277
8278   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8279     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8280   else
8281     pos = 3;
8282
8283   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8284   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8285   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8286   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8287
8288   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8289   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8290   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8291   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8292   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8293   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8294
8295   for (i = 0; i < 6; i++)
8296   {
8297     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8298
8299     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8300              "              ", font_nr_on);
8301     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8302              (setup.input[player_nr].use_joystick ?
8303               custom[i].text :
8304               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8305   }
8306 }
8307
8308 static int input_player_nr = 0;
8309
8310 static void HandleSetupScreen_Input_Player(int step, int direction)
8311 {
8312   int old_player_nr = input_player_nr;
8313   int new_player_nr;
8314
8315   new_player_nr = old_player_nr + step * direction;
8316   if (new_player_nr < 0)
8317     new_player_nr = 0;
8318   if (new_player_nr > MAX_PLAYERS - 1)
8319     new_player_nr = MAX_PLAYERS - 1;
8320
8321   if (new_player_nr != old_player_nr)
8322   {
8323     input_player_nr = new_player_nr;
8324
8325     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8326   }
8327 }
8328
8329 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8330 {
8331   static int choice = 0;
8332   int x = 0;
8333   int y = choice;
8334   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8335   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8336   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8337   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8338
8339   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8340   {
8341     int i;
8342
8343     for (i = 0; setup_info_input[i].type != 0; i++)
8344     {
8345       // adjust menu structure according to skipped setup entries
8346       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8347       {
8348         pos_empty2--;
8349         pos_end--;
8350       }
8351     }
8352   }
8353
8354   if (button == MB_MENU_INITIALIZE)
8355   {
8356     // input setup menu may have changed size due to graphics configuration
8357     if (choice >= pos_empty1)
8358       choice = pos_end;
8359
8360     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8361
8362     DrawCursorAndText_Setup(choice, -1, TRUE);
8363
8364     return;
8365   }
8366   else if (button == MB_MENU_LEAVE)
8367   {
8368     setup_mode = SETUP_MODE_MAIN;
8369     DrawSetupScreen();
8370     InitJoysticks();
8371
8372     return;
8373   }
8374
8375   if (mx || my)         // mouse input
8376   {
8377     x = (mx - mSX) / 32;
8378     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8379   }
8380   else if (dx || dy)    // keyboard input
8381   {
8382     if (dx && choice == 0)
8383       x = (dx < 0 ? 10 : 12);
8384     else if ((dx && choice == 1) ||
8385              (dx == -1 && choice == pos_end))
8386       button = MB_MENU_CHOICE;
8387     else if (dy)
8388       y = choice + dy;
8389
8390     if (y >= pos_empty1 && y <= pos_empty2)
8391       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8392   }
8393
8394   if (y == 0 && dx != 0 && button)
8395   {
8396     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8397   }
8398   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8399            y >= pos_start && y <= pos_end &&
8400            !(y >= pos_empty1 && y <= pos_empty2))
8401   {
8402     if (button)
8403     {
8404       if (y != choice)
8405       {
8406         DrawCursorAndText_Setup(choice, -1, FALSE);
8407         DrawCursorAndText_Setup(y, -1, TRUE);
8408
8409         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8410
8411         choice = y;
8412       }
8413     }
8414     else
8415     {
8416       if (y == 1)
8417       {
8418         char *device_name = setup.input[input_player_nr].joy.device_name;
8419
8420         if (!setup.input[input_player_nr].use_joystick)
8421         {
8422           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8423
8424           setJoystickDeviceToNr(device_name, new_device_nr);
8425           setup.input[input_player_nr].use_joystick = TRUE;
8426         }
8427         else
8428         {
8429           int device_nr = getJoystickNrFromDeviceName(device_name);
8430           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8431
8432           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8433             setup.input[input_player_nr].use_joystick = FALSE;
8434           else
8435             setJoystickDeviceToNr(device_name, new_device_nr);
8436         }
8437
8438         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8439       }
8440       else if (y == 2)
8441       {
8442         if (setup.input[input_player_nr].use_joystick)
8443           ConfigureJoystick(input_player_nr);
8444         else
8445           CustomizeKeyboard(input_player_nr);
8446       }
8447       else if (y == pos_end)
8448       {
8449         InitJoysticks();
8450
8451         FadeSetLeaveMenu();
8452
8453         setup_mode = SETUP_MODE_MAIN;
8454         DrawSetupScreen();
8455       }
8456     }
8457   }
8458 }
8459
8460 static boolean CustomizeKeyboardMain(int player_nr)
8461 {
8462   int i;
8463   int step_nr;
8464   boolean finished = FALSE;
8465   static struct SetupKeyboardInfo custom_key;
8466   static struct
8467   {
8468     Key *key;
8469     char *text;
8470   } customize_step[] =
8471   {
8472     { &custom_key.left,  "Move Left"    },
8473     { &custom_key.right, "Move Right"   },
8474     { &custom_key.up,    "Move Up"      },
8475     { &custom_key.down,  "Move Down"    },
8476     { &custom_key.snap,  "Snap Field"   },
8477     { &custom_key.drop,  "Drop Element" }
8478   };
8479   int font_nr_old = FONT_VALUE_OLD;
8480   int font_nr_new = FONT_VALUE_1;
8481   boolean success = FALSE;
8482
8483   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8484   {
8485     font_nr_old = FONT_VALUE_OLD_NARROW;
8486     font_nr_new = FONT_VALUE_NARROW;
8487   }
8488
8489   // read existing key bindings from player setup
8490   custom_key = setup.input[player_nr].key;
8491
8492   FadeSetEnterMenu();
8493   FadeOut(REDRAW_FIELD);
8494
8495   ClearField();
8496
8497   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8498
8499   step_nr = 0;
8500   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8501            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8502   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8503            "Key:", FONT_INPUT_1_ACTIVE);
8504   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8505            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8506
8507   FadeIn(REDRAW_FIELD);
8508
8509   while (!finished)
8510   {
8511     Event event;
8512     DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8513
8514     // reset frame delay counter directly after updating screen
8515     ResetDelayCounter(&event_frame_delay);
8516
8517     while (NextValidEvent(&event))
8518     {
8519       switch (event.type)
8520       {
8521         case EVENT_KEYPRESS:
8522           {
8523             Key key = GetEventKey((KeyEvent *)&event);
8524
8525             // press 'Escape' to abort and keep the old key bindings
8526             if (key == KSYM_Escape)
8527             {
8528               FadeSkipNextFadeIn();
8529
8530               finished = TRUE;
8531
8532               break;
8533             }
8534
8535             // press 'Enter' to keep the existing key binding
8536             if (key == KSYM_Return)
8537               key = *customize_step[step_nr].key;
8538
8539             // check if key already used
8540             for (i = 0; i < step_nr; i++)
8541               if (*customize_step[i].key == key)
8542                 break;
8543             if (i < step_nr)
8544               break;
8545
8546             // got new key binding
8547             *customize_step[step_nr].key = key;
8548             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8549                      "             ", font_nr_new);
8550             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8551                      getKeyNameFromKey(key), font_nr_new);
8552             step_nr++;
8553
8554             // un-highlight last query
8555             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8556                      customize_step[step_nr - 1].text, FONT_MENU_1);
8557             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8558                      "Key:", FONT_MENU_1);
8559
8560             // all keys configured
8561             if (step_nr == 6)
8562             {
8563               finished = TRUE;
8564               success = TRUE;
8565
8566               break;
8567             }
8568
8569             // query next key binding
8570             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8571                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8572             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8573                      "Key:", FONT_INPUT_1_ACTIVE);
8574             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8575                      getKeyNameFromKey(*customize_step[step_nr].key),
8576                      font_nr_old);
8577           }
8578           break;
8579
8580         case EVENT_KEYRELEASE:
8581           key_joystick_mapping = 0;
8582           break;
8583
8584         default:
8585           HandleOtherEvents(&event);
8586           break;
8587       }
8588
8589       // do not handle events for longer than standard frame delay period
8590       if (DelayReached(&event_frame_delay))
8591         break;
8592     }
8593
8594     BackToFront();
8595   }
8596
8597   // write new key bindings back to player setup, if successfully finished
8598   if (success)
8599     setup.input[player_nr].key = custom_key;
8600
8601   return success;
8602 }
8603
8604 void CustomizeKeyboard(int player_nr)
8605 {
8606   boolean success = CustomizeKeyboardMain(player_nr);
8607
8608   if (success)
8609   {
8610     int font_nr = FONT_TITLE_1;
8611     int font_height = getFontHeight(font_nr);
8612     int ypos1 = SYSIZE / 2 - font_height * 2;
8613     int ypos2 = SYSIZE / 2 - font_height * 1;
8614     DelayCounter wait_frame_delay = { 2000 };
8615
8616     ResetDelayCounter(&wait_frame_delay);
8617
8618     ClearField();
8619
8620     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8621     DrawTextSCentered(ypos2, font_nr, "configured!");
8622
8623     while (!DelayReached(&wait_frame_delay))
8624       BackToFront();
8625
8626     ClearEventQueue();
8627   }
8628
8629   DrawSetupScreen_Input();
8630 }
8631
8632 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8633
8634 #define MARKER_BUTTON           1
8635 #define MARKER_AXIS_X           2
8636 #define MARKER_AXIS_Y           3
8637
8638 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8639 {
8640   static boolean bitmaps_initialized = FALSE;
8641   boolean screen_initialized = FALSE;
8642   static Bitmap *controller, *button, *axis_x, *axis_y;
8643   char *name;
8644   boolean success = TRUE;
8645   boolean done = FALSE, next = FALSE;
8646   Event event;
8647   int alpha = 200, alpha_step = -1;
8648   int alpha_ticks = 0;
8649   char mapping[4096], temp[256];
8650   int font_name = MENU_SETUP_FONT_TITLE;
8651   int font_info = MENU_SETUP_FONT_TEXT;
8652   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8653   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8654   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8655   int ystep_name = getMenuTextStep(spacing_name, font_name);
8656   int ystep_line = getMenuTextStep(spacing_line, font_info);
8657   int ystep_para = getMenuTextStep(spacing_para, font_info);
8658   int i, j;
8659
8660   struct
8661   {
8662     int x, y;
8663     int marker;
8664     char *field;
8665     int axis, button, hat, hat_value;
8666     char mapping[4096];
8667   }
8668   *step, *prev_step, steps[] =
8669   {
8670     { 356, 155, MARKER_BUTTON, "a",             },
8671     { 396, 122, MARKER_BUTTON, "b",             },
8672     { 320, 125, MARKER_BUTTON, "x",             },
8673     { 358,  95, MARKER_BUTTON, "y",             },
8674     { 162, 125, MARKER_BUTTON, "back",          },
8675     { 216, 125, MARKER_BUTTON, "guide",         },
8676     { 271, 125, MARKER_BUTTON, "start",         },
8677     { 110, 200, MARKER_BUTTON, "dpleft",        },
8678     { 146, 228, MARKER_BUTTON, "dpdown",        },
8679     { 178, 200, MARKER_BUTTON, "dpright",       },
8680     { 146, 172, MARKER_BUTTON, "dpup",          },
8681     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8682     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8683     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8684     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8685     {  73, 141, MARKER_BUTTON, "leftstick",     },
8686     { 282, 210, MARKER_BUTTON, "rightstick",    },
8687     {  73, 141, MARKER_AXIS_X, "leftx",         },
8688     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8689     { 282, 210, MARKER_AXIS_X, "rightx",        },
8690     { 282, 210, MARKER_AXIS_Y, "righty",        },
8691   };
8692
8693   if (!bitmaps_initialized)
8694   {
8695     controller = LoadCustomImage("joystick/controller.png");
8696     button     = LoadCustomImage("joystick/button.png");
8697     axis_x     = LoadCustomImage("joystick/axis_x.png");
8698     axis_y     = LoadCustomImage("joystick/axis_y.png");
8699
8700     bitmaps_initialized = TRUE;
8701   }
8702
8703   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8704
8705 #if DEBUG_JOYSTICKS
8706   // print info about the joystick we are watching
8707   Debug("joystick", "watching joystick %d: (%s)",
8708         SDL_JoystickInstanceID(joystick), name);
8709   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8710         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8711         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8712 #endif
8713
8714   // initialize mapping with GUID and name
8715   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8716
8717   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8718            temp, name, SDL_GetPlatform());
8719
8720   // loop through all steps (buttons and axes), getting joystick events
8721   for (i = 0; i < SDL_arraysize(steps) && !done;)
8722   {
8723     Bitmap *marker = button;    // initialize with reliable default value
8724
8725     step = &steps[i];
8726     strcpy(step->mapping, mapping);
8727     step->axis = -1;
8728     step->button = -1;
8729     step->hat = -1;
8730     step->hat_value = -1;
8731
8732     marker = (step->marker == MARKER_BUTTON ? button :
8733               step->marker == MARKER_AXIS_X ? axis_x :
8734               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8735
8736     next = FALSE;
8737
8738     while (!done && !next)
8739     {
8740       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8741       alpha_ticks = SDL_GetTicks();
8742
8743       if (alpha >= 255)
8744       {
8745         alpha = 255;
8746         alpha_step = -1;
8747       }
8748       else if (alpha < 128)
8749       {
8750         alpha = 127;
8751         alpha_step = 1;
8752       }
8753
8754       int controller_x = SX + (SXSIZE - controller->width) / 2;
8755       int controller_y = SY + ystep_line;
8756
8757       int marker_x = controller_x + step->x;
8758       int marker_y = controller_y + step->y;
8759
8760       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8761       int ystart2 = ystart1 + ystep_name + ystep_line;
8762
8763       ClearField();
8764
8765       DrawTextSCentered(ystart1, font_name, name);
8766
8767       DrawTextSCentered(ystart2, font_info,
8768                         "Press buttons and move axes on");
8769       ystart2 += ystep_line;
8770       DrawTextSCentered(ystart2, font_info,
8771                         "your controller when indicated.");
8772       ystart2 += ystep_line;
8773       DrawTextSCentered(ystart2, font_info,
8774                         "(Your controller may look different.)");
8775       ystart2 += ystep_para;
8776
8777 #if defined(PLATFORM_ANDROID)
8778       DrawTextSCentered(ystart2, font_info,
8779                         "To correct a mistake,");
8780       ystart2 += ystep_line;
8781       DrawTextSCentered(ystart2, font_info,
8782                         "press the 'back' button.");
8783       ystart2 += ystep_line;
8784       DrawTextSCentered(ystart2, font_info,
8785                         "To skip a button or axis,");
8786       ystart2 += ystep_line;
8787       DrawTextSCentered(ystart2, font_info,
8788                         "press the 'menu' button.");
8789 #else
8790       DrawTextSCentered(ystart2, font_info,
8791                         "To correct a mistake,");
8792       ystart2 += ystep_line;
8793       DrawTextSCentered(ystart2, font_info,
8794                         "press the 'backspace' key.");
8795       ystart2 += ystep_line;
8796       DrawTextSCentered(ystart2, font_info,
8797                         "To skip a button or axis,");
8798       ystart2 += ystep_line;
8799       DrawTextSCentered(ystart2, font_info,
8800                         "press the 'return' key.");
8801       ystart2 += ystep_line;
8802       DrawTextSCentered(ystart2, font_info,
8803                         "To exit, press the 'escape' key.");
8804 #endif
8805
8806       BlitBitmapMasked(controller, drawto, 0, 0,
8807                        controller->width, controller->height,
8808                        controller_x, controller_y);
8809
8810       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8811       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8812
8813       BlitBitmapMasked(marker, drawto, 0, 0,
8814                        marker->width, marker->height,
8815                        marker_x, marker_y);
8816
8817       if (!screen_initialized)
8818         FadeIn(REDRAW_FIELD);
8819       else
8820         BackToFront();
8821
8822       screen_initialized = TRUE;
8823
8824       DelayCounter event_frame_delay = { GAME_FRAME_DELAY };
8825
8826       // reset frame delay counter directly after updating screen
8827       ResetDelayCounter(&event_frame_delay);
8828
8829       while (NextValidEvent(&event))
8830       {
8831         switch (event.type)
8832         {
8833           case SDL_JOYAXISMOTION:
8834             if (event.jaxis.value > 20000 ||
8835                 event.jaxis.value < -20000)
8836             {
8837               for (j = 0; j < i; j++)
8838                 if (steps[j].axis == event.jaxis.axis)
8839                   break;
8840
8841               if (j == i)
8842               {
8843                 if (step->marker != MARKER_AXIS_X &&
8844                     step->marker != MARKER_AXIS_Y)
8845                   break;
8846
8847                 step->axis = event.jaxis.axis;
8848                 strcat(mapping, step->field);
8849                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8850                 strcat(mapping, temp);
8851                 i++;
8852                 next = TRUE;
8853               }
8854             }
8855
8856             break;
8857
8858           case SDL_JOYHATMOTION:
8859             // ignore centering; we're probably just coming back
8860             // to the center from the previous item we set
8861             if (event.jhat.value == SDL_HAT_CENTERED)
8862               break;
8863
8864             for (j = 0; j < i; j++)
8865               if (steps[j].hat == event.jhat.hat &&
8866                   steps[j].hat_value == event.jhat.value)
8867                 break;
8868
8869             if (j == i)
8870             {
8871               step->hat = event.jhat.hat;
8872               step->hat_value = event.jhat.value;
8873               strcat(mapping, step->field);
8874               snprintf(temp, sizeof(temp), ":h%u.%u,",
8875                        event.jhat.hat, event.jhat.value );
8876               strcat(mapping, temp);
8877               i++;
8878               next = TRUE;
8879             }
8880
8881             break;
8882
8883           case SDL_JOYBALLMOTION:
8884             break;
8885
8886           case SDL_JOYBUTTONUP:
8887             for (j = 0; j < i; j++)
8888               if (steps[j].button == event.jbutton.button)
8889                 break;
8890
8891             if (j == i)
8892             {
8893               step->button = event.jbutton.button;
8894               strcat(mapping, step->field);
8895               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8896               strcat(mapping, temp);
8897               i++;
8898               next = TRUE;
8899             }
8900
8901             break;
8902
8903           case SDL_FINGERDOWN:
8904           case SDL_MOUSEBUTTONDOWN:
8905             // skip this step
8906             i++;
8907             next = TRUE;
8908
8909             break;
8910
8911           case SDL_KEYDOWN:
8912             if (event.key.keysym.sym == KSYM_BackSpace ||
8913                 event.key.keysym.sym == KSYM_Back)
8914             {
8915               if (i == 0)
8916               {
8917                 // leave screen
8918                 success = FALSE;
8919                 done = TRUE;
8920
8921                 break;
8922               }
8923
8924               // undo this step
8925               prev_step = &steps[i - 1];
8926               strcpy(mapping, prev_step->mapping);
8927               i--;
8928               next = TRUE;
8929
8930               break;
8931             }
8932
8933             if (event.key.keysym.sym == KSYM_space ||
8934                 event.key.keysym.sym == KSYM_Return ||
8935                 event.key.keysym.sym == KSYM_Menu)
8936             {
8937               // skip this step
8938               i++;
8939               next = TRUE;
8940
8941               break;
8942             }
8943
8944             if (event.key.keysym.sym == KSYM_Escape)
8945             {
8946               // leave screen
8947               success = FALSE;
8948               done = TRUE;
8949             }
8950
8951             break;
8952
8953           case SDL_QUIT:
8954             program.exit_function(0);
8955             break;
8956
8957           default:
8958             break;
8959         }
8960
8961         // do not handle events for longer than standard frame delay period
8962         if (DelayReached(&event_frame_delay))
8963           break;
8964       }
8965     }
8966   }
8967
8968   if (success)
8969   {
8970 #if DEBUG_JOYSTICKS
8971     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8972 #endif
8973
8974     // activate mapping for this game
8975     SDL_GameControllerAddMapping(mapping);
8976
8977     // save mapping to personal mappings
8978     SaveSetup_AddGameControllerMapping(mapping);
8979   }
8980
8981   // wait until the last pending event was removed from event queue
8982   while (NextValidEvent(&event));
8983
8984   return success;
8985 }
8986
8987 static int ConfigureJoystickMain(int player_nr)
8988 {
8989   char *device_name = setup.input[player_nr].joy.device_name;
8990   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8991   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8992   int success = FALSE;
8993   int i;
8994
8995   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8996     return JOYSTICK_NOT_AVAILABLE;
8997
8998   if (!joystick_active || !setup.input[player_nr].use_joystick)
8999     return JOYSTICK_NOT_AVAILABLE;
9000
9001   FadeSetEnterMenu();
9002   FadeOut(REDRAW_FIELD);
9003
9004   // close all joystick devices (potentially opened as game controllers)
9005   for (i = 0; i < SDL_NumJoysticks(); i++)
9006     SDLCloseJoystick(i);
9007
9008   // open joystick device as plain joystick to configure as game controller
9009   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
9010
9011   // as the joystick was successfully opened before, this should not happen
9012   if (joystick == NULL)
9013     return FALSE;
9014
9015   // create new game controller mapping (buttons and axes) for joystick device
9016   success = ConfigureJoystickMapButtonsAndAxes(joystick);
9017
9018   // close joystick (and maybe re-open as configured game controller later)
9019   SDL_JoystickClose(joystick);
9020
9021   // re-open all joystick devices (potentially as game controllers)
9022   for (i = 0; i < SDL_NumJoysticks(); i++)
9023     SDLOpenJoystick(i);
9024
9025   // clear all joystick input actions for all joystick devices
9026   SDLClearJoystickState();
9027
9028   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
9029 }
9030
9031 void ConfigureJoystick(int player_nr)
9032 {
9033   boolean state = ConfigureJoystickMain(player_nr);
9034
9035   if (state != JOYSTICK_NOT_CONFIGURED)
9036   {
9037     boolean success = (state == JOYSTICK_CONFIGURED);
9038     char message1[MAX_OUTPUT_LINESIZE + 1];
9039     char *message2 = (success ? "configured!" : "not available!");
9040     char *device_name = setup.input[player_nr].joy.device_name;
9041     int nr = getJoystickNrFromDeviceName(device_name) + 1;
9042     int font_nr = FONT_TITLE_1;
9043     int font_height = getFontHeight(font_nr);
9044     int ypos1 = SYSIZE / 2 - font_height * 2;
9045     int ypos2 = SYSIZE / 2 - font_height * 1;
9046     DelayCounter wait_frame_delay = { 2000 };
9047
9048     ResetDelayCounter(&wait_frame_delay);
9049
9050     ClearField();
9051
9052     sprintf(message1, "Joystick %d", nr);
9053
9054     DrawTextSCentered(ypos1, font_nr, message1);
9055     DrawTextSCentered(ypos2, font_nr, message2);
9056
9057     while (!DelayReached(&wait_frame_delay))
9058       BackToFront();
9059
9060     ClearEventQueue();
9061   }
9062
9063   DrawSetupScreen_Input();
9064 }
9065
9066 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
9067 {
9068   if (y < video.screen_height / 3)
9069   {
9070     // remap touch gadgets to access upper part of the screen
9071     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9072     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9073   }
9074   else if (y > 2 * video.screen_height / 3)
9075   {
9076     // remap touch gadgets to access lower part of the screen
9077     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9078     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9079   }
9080 }
9081
9082 static boolean ConfigureVirtualButtonsMain(void)
9083 {
9084   static char *customize_step_text[] =
9085   {
9086     "Move Left",
9087     "Move Right",
9088     "Move Up",
9089     "Move Down",
9090     "Snap Field",
9091     "Drop Element"
9092   };
9093   char grid_button[] =
9094   {
9095     CHAR_GRID_BUTTON_LEFT,
9096     CHAR_GRID_BUTTON_RIGHT,
9097     CHAR_GRID_BUTTON_UP,
9098     CHAR_GRID_BUTTON_DOWN,
9099     CHAR_GRID_BUTTON_SNAP,
9100     CHAR_GRID_BUTTON_DROP
9101   };
9102   enum
9103   {
9104     ACTION_NONE,
9105     ACTION_ESCAPE,
9106     ACTION_BACK,
9107     ACTION_NEXT
9108   };
9109   int font_nr = FONT_INPUT_1_ACTIVE;
9110   int font_height = getFontHeight(font_nr);
9111   int ypos1 = SYSIZE / 2 - font_height * 2;
9112   int ypos2 = SYSIZE / 2 - font_height * 1;
9113   boolean success = FALSE;
9114   boolean finished = FALSE;
9115   int step_nr = 0;
9116   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9117   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9118   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9119   boolean set_grid_button = FALSE;
9120   int nr = GRID_ACTIVE_NR();
9121   int x, y;
9122
9123   for (x = 0; x < MAX_GRID_XSIZE; x++)
9124     for (y = 0; y < MAX_GRID_YSIZE; y++)
9125       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9126
9127   overlay.grid_button_highlight = grid_button[step_nr];
9128
9129   UnmapAllGadgets();
9130
9131   FadeSetEnterMenu();
9132   FadeOut(REDRAW_FIELD);
9133
9134   ClearField();
9135
9136   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9137   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9138   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9139
9140   FadeIn(REDRAW_FIELD);
9141
9142   SetOverlayShowGrid(TRUE);
9143
9144   // map gadgets for setup touch buttons menu screen
9145   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9146
9147   while (!finished)
9148   {
9149     Event event;
9150
9151     while (NextValidEvent(&event))
9152     {
9153       int action = ACTION_NONE;
9154
9155       // ---------- handle events and set the resulting action ----------
9156
9157       switch (event.type)
9158       {
9159         case EVENT_USER:
9160           {
9161             UserEvent *user = (UserEvent *)&event;
9162             int id = user->value1;
9163
9164             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9165                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9166                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9167                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9168                       ACTION_NONE);
9169           }
9170           break;
9171
9172         case EVENT_KEYPRESS:
9173           {
9174             Key key = GetEventKey((KeyEvent *)&event);
9175
9176             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9177                       key == KSYM_BackSpace ||
9178                       key == KSYM_Back ?        ACTION_BACK :
9179                       key == KSYM_Return ||
9180                       key == KSYM_Menu ||
9181                       key == KSYM_space ?       ACTION_NEXT :
9182                       ACTION_NONE);
9183           }
9184           break;
9185
9186         case EVENT_KEYRELEASE:
9187           key_joystick_mapping = 0;
9188           break;
9189
9190         case EVENT_BUTTONPRESS:
9191         case EVENT_BUTTONRELEASE:
9192           {
9193             ButtonEvent *button = (ButtonEvent *)&event;
9194
9195             motion_status = FALSE;
9196
9197             if (button->type == EVENT_BUTTONPRESS)
9198               button_status = button->button;
9199             else
9200               button_status = MB_RELEASED;
9201
9202             if (HandleGadgets(button->x, button->y, button_status))
9203             {
9204               // do not handle this button event anymore
9205               break;
9206             }
9207
9208             button->x += video.screen_xoffset;
9209             button->y += video.screen_yoffset;
9210
9211             x = button->x * overlay.grid_xsize / video.screen_width;
9212             y = button->y * overlay.grid_ysize / video.screen_height;
9213
9214             if (button->type == EVENT_BUTTONPRESS)
9215             {
9216               grid_button_draw =
9217                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9218                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9219
9220               set_grid_button = TRUE;
9221             }
9222
9223             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9224           }
9225           break;
9226
9227         case EVENT_MOTIONNOTIFY:
9228           {
9229             MotionEvent *motion = (MotionEvent *)&event;
9230
9231             motion_status = TRUE;
9232
9233             if (HandleGadgets(motion->x, motion->y, button_status))
9234             {
9235               // do not handle this button event anymore
9236               break;
9237             }
9238
9239             motion->x += video.screen_xoffset;
9240             motion->y += video.screen_yoffset;
9241
9242             x = motion->x * overlay.grid_xsize / video.screen_width;
9243             y = motion->y * overlay.grid_ysize / video.screen_height;
9244
9245             set_grid_button = TRUE;
9246
9247             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9248           }
9249           break;
9250
9251         case SDL_WINDOWEVENT:
9252           HandleWindowEvent((WindowEvent *) &event);
9253
9254           // check if device has been rotated
9255           if (nr != GRID_ACTIVE_NR())
9256           {
9257             nr = GRID_ACTIVE_NR();
9258
9259             for (x = 0; x < MAX_GRID_XSIZE; x++)
9260               for (y = 0; y < MAX_GRID_YSIZE; y++)
9261                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9262                   overlay.grid_button[x][y];
9263           }
9264
9265           break;
9266
9267         case SDL_APP_WILLENTERBACKGROUND:
9268         case SDL_APP_DIDENTERBACKGROUND:
9269         case SDL_APP_WILLENTERFOREGROUND:
9270         case SDL_APP_DIDENTERFOREGROUND:
9271           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9272           break;
9273
9274         default:
9275           HandleOtherEvents(&event);
9276           break;
9277       }
9278
9279       // ---------- perform action set by handling events ----------
9280
9281       if (action == ACTION_ESCAPE)
9282       {
9283         // abort and restore the old key bindings
9284
9285         for (x = 0; x < MAX_GRID_XSIZE; x++)
9286           for (y = 0; y < MAX_GRID_YSIZE; y++)
9287             overlay.grid_button[x][y] = grid_button_old[x][y];
9288
9289         FadeSkipNextFadeIn();
9290
9291         finished = TRUE;
9292       }
9293       else if (action == ACTION_BACK)
9294       {
9295         // keep the configured key bindings and go to previous page
9296
9297         step_nr--;
9298
9299         if (step_nr < 0)
9300         {
9301           FadeSkipNextFadeIn();
9302
9303           finished = TRUE;
9304         }
9305       }
9306       else if (action == ACTION_NEXT)
9307       {
9308         // keep the configured key bindings and go to next page
9309
9310         step_nr++;
9311
9312         // all virtual buttons configured
9313         if (step_nr == 6)
9314         {
9315           finished = TRUE;
9316           success = TRUE;
9317         }
9318       }
9319
9320       if (action != ACTION_NONE && !finished)
9321       {
9322         for (x = 0; x < MAX_GRID_XSIZE; x++)
9323           for (y = 0; y < MAX_GRID_YSIZE; y++)
9324             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9325
9326         overlay.grid_button_highlight = grid_button[step_nr];
9327
9328         // configure next virtual button
9329
9330         ClearField();
9331
9332         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9333         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9334         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9335       }
9336
9337       if (set_grid_button)
9338       {
9339         overlay.grid_button[x][y] =
9340           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9341            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9342            grid_button_tmp[x][y]);
9343
9344         set_grid_button = FALSE;
9345       }
9346     }
9347
9348     BackToFront();
9349   }
9350
9351   for (x = 0; x < MAX_GRID_XSIZE; x++)
9352     for (y = 0; y < MAX_GRID_YSIZE; y++)
9353       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9354
9355   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9356
9357   SetOverlayShowGrid(FALSE);
9358
9359   return success;
9360 }
9361
9362 void ConfigureVirtualButtons(void)
9363 {
9364   boolean success = ConfigureVirtualButtonsMain();
9365
9366   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9367                          SCREEN_MASK_TOUCH2);
9368
9369   if (success)
9370   {
9371     int font_nr = FONT_TITLE_1;
9372     int font_height = getFontHeight(font_nr);
9373     int ypos1 = SYSIZE / 2 - font_height * 2;
9374     int ypos2 = SYSIZE / 2 - font_height * 1;
9375     DelayCounter wait_frame_delay = { 2000 };
9376
9377     ResetDelayCounter(&wait_frame_delay);
9378
9379     ClearField();
9380
9381     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9382     DrawTextSCentered(ypos2, font_nr, "configured!");
9383
9384     while (!DelayReached(&wait_frame_delay))
9385       BackToFront();
9386
9387     ClearEventQueue();
9388   }
9389 }
9390
9391 void DrawSetupScreen(void)
9392 {
9393   align_xoffset = 0;
9394   align_yoffset = 0;
9395
9396   if (setup_mode == SETUP_MODE_INPUT)
9397     DrawSetupScreen_Input();
9398   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9399     DrawChooseTree(&scores_type_current);
9400   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9401     DrawChooseTree(&game_speed_current);
9402   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9403     DrawChooseTree(&scroll_delay_current);
9404   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9405     DrawChooseTree(&snapshot_mode_current);
9406   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9407     DrawChooseTree(&window_size_current);
9408   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9409     DrawChooseTree(&scaling_type_current);
9410   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9411     DrawChooseTree(&rendering_mode_current);
9412   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9413     DrawChooseTree(&vsync_mode_current);
9414   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9415     DrawChooseTree(&artwork.gfx_current);
9416   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9417     DrawChooseTree(&artwork.snd_current);
9418   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9419     DrawChooseTree(&artwork.mus_current);
9420   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9421     DrawChooseTree(&volume_simple_current);
9422   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9423     DrawChooseTree(&volume_loops_current);
9424   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9425     DrawChooseTree(&volume_music_current);
9426   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9427     DrawChooseTree(&touch_control_current);
9428   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9429     DrawChooseTree(&move_distance_current);
9430   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9431     DrawChooseTree(&drop_distance_current);
9432   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9433     DrawChooseTree(&transparency_current);
9434   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9435     DrawChooseTree(&grid_size_current[0][0]);
9436   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9437     DrawChooseTree(&grid_size_current[0][1]);
9438   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9439     DrawChooseTree(&grid_size_current[1][0]);
9440   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9441     DrawChooseTree(&grid_size_current[1][1]);
9442   else
9443     DrawSetupScreen_Generic();
9444
9445   PlayMenuSoundsAndMusic();
9446 }
9447
9448 void RedrawSetupScreenAfterFullscreenToggle(void)
9449 {
9450   if (setup_mode == SETUP_MODE_GRAPHICS ||
9451       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9452   {
9453     // update list selection from "setup.window_scaling_percent"
9454     execSetupGraphics_setWindowSizes(TRUE);
9455
9456     DrawSetupScreen();
9457   }
9458 }
9459
9460 void RedrawSetupScreenAfterScreenRotation(int nr)
9461 {
9462   int x, y;
9463
9464   if (setup_mode == SETUP_MODE_TOUCH)
9465   {
9466     // update virtual button settings (depending on screen orientation)
9467     DrawSetupScreen();
9468   }
9469   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9470   {
9471     // save already configured virtual buttons
9472     for (x = 0; x < MAX_GRID_XSIZE; x++)
9473       for (y = 0; y < MAX_GRID_YSIZE; y++)
9474         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9475   }
9476 }
9477
9478 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9479 {
9480   if (setup_mode == SETUP_MODE_INPUT)
9481     HandleSetupScreen_Input(mx, my, dx, dy, button);
9482   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9483     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9484   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9485     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9486   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9487     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9488   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9489     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9490   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9491     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9492   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9493     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9494   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9495     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9496   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9497     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9498   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9499     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9500   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9501     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9502   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9503     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9504   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9505     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9506   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9507     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9508   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9509     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9510   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9511     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9512   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9513     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9514   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9515     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9516   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9517     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9518   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9519     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9520   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9521     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9522   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9523     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9524   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9525     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9526   else
9527     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9528 }
9529
9530 void HandleGameActions(void)
9531 {
9532   if (CheckRestartGame())
9533     return;
9534
9535   if (game_status != GAME_MODE_PLAYING)
9536     return;
9537
9538   GameActions();                // main game loop
9539
9540   if (tape.auto_play && !tape.playing)
9541     AutoPlayTapesContinue();    // continue automatically playing next tape
9542 }
9543
9544
9545 // ---------- new screen button stuff --------------------------------------
9546
9547 static struct
9548 {
9549   int gfx_unpressed, gfx_pressed, gfx_active;
9550   struct MenuPosInfo *pos;
9551   boolean *check_value;
9552   int gadget_id;
9553   int screen_mask;
9554   unsigned int event_mask;
9555   boolean is_touch_button;
9556   char *infotext;
9557 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9558 {
9559   {
9560     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE, -1,
9561     &menu.main.button.prev_level, NULL,
9562     SCREEN_CTRL_ID_PREV_LEVEL,
9563     SCREEN_MASK_MAIN,
9564     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9565     FALSE, "previous level"
9566   },
9567   {
9568     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE, -1,
9569     &menu.main.button.next_level, NULL,
9570     SCREEN_CTRL_ID_NEXT_LEVEL,
9571     SCREEN_MASK_MAIN,
9572     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9573     FALSE, "next level"
9574   },
9575   {
9576     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE, -1,
9577     &menu.scores.button.prev_level, NULL,
9578     SCREEN_CTRL_ID_PREV_LEVEL2,
9579     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9580     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9581     FALSE, "previous level"
9582   },
9583   {
9584     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE, -1,
9585     &menu.scores.button.next_level, NULL,
9586     SCREEN_CTRL_ID_NEXT_LEVEL2,
9587     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9588     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9589     FALSE, "next level"
9590   },
9591   {
9592     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE, -1,
9593     &menu.scores.button.prev_score, NULL,
9594     SCREEN_CTRL_ID_PREV_SCORE,
9595     SCREEN_MASK_SCORES_INFO,
9596     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9597     FALSE, "previous score"
9598   },
9599   {
9600     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE, -1,
9601     &menu.scores.button.next_score, NULL,
9602     SCREEN_CTRL_ID_NEXT_SCORE,
9603     SCREEN_MASK_SCORES_INFO,
9604     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9605     FALSE, "next score"
9606   },
9607   {
9608     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE, -1,
9609     &menu.scores.button.play_tape, NULL,
9610     SCREEN_CTRL_ID_PLAY_TAPE,
9611     SCREEN_MASK_SCORES_INFO,
9612     GD_EVENT_RELEASED,
9613     FALSE, "play tape"
9614   },
9615   {
9616     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE, -1,
9617     &menu.main.button.first_level, NULL,
9618     SCREEN_CTRL_ID_FIRST_LEVEL,
9619     SCREEN_MASK_MAIN,
9620     GD_EVENT_RELEASED,
9621     FALSE, "first level"
9622   },
9623   {
9624     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE, -1,
9625     &menu.main.button.last_level, NULL,
9626     SCREEN_CTRL_ID_LAST_LEVEL,
9627     SCREEN_MASK_MAIN,
9628     GD_EVENT_RELEASED,
9629     FALSE, "last level"
9630   },
9631   {
9632     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE, -1,
9633     &menu.main.button.level_number, NULL,
9634     SCREEN_CTRL_ID_LEVEL_NUMBER,
9635     SCREEN_MASK_MAIN,
9636     GD_EVENT_RELEASED,
9637     FALSE, "level number"
9638   },
9639   {
9640     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE, -1,
9641     &menu.setup.button.prev_player, NULL,
9642     SCREEN_CTRL_ID_PREV_PLAYER,
9643     SCREEN_MASK_INPUT,
9644     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9645     FALSE, "previous player"
9646   },
9647   {
9648     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE, -1,
9649     &menu.setup.button.next_player, NULL,
9650     SCREEN_CTRL_ID_NEXT_PLAYER,
9651     SCREEN_MASK_INPUT,
9652     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9653     FALSE, "next player"
9654   },
9655   {
9656     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE, -1,
9657     &menu.main.button.insert_solution, NULL,
9658     SCREEN_CTRL_ID_INSERT_SOLUTION,
9659     SCREEN_MASK_MAIN_HAS_SOLUTION,
9660     GD_EVENT_RELEASED,
9661     FALSE, "insert solution tape"
9662   },
9663   {
9664     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE, -1,
9665     &menu.main.button.play_solution, NULL,
9666     SCREEN_CTRL_ID_PLAY_SOLUTION,
9667     SCREEN_MASK_MAIN_HAS_SOLUTION,
9668     GD_EVENT_RELEASED,
9669     FALSE, "play solution tape"
9670   },
9671   {
9672     IMG_MENU_BUTTON_LEVELSET_INFO, IMG_MENU_BUTTON_LEVELSET_INFO_PRESSED,
9673     IMG_MENU_BUTTON_LEVELSET_INFO_ACTIVE,
9674     &menu.main.button.levelset_info, NULL,
9675     SCREEN_CTRL_ID_LEVELSET_INFO,
9676     SCREEN_MASK_MAIN_HAS_SET_INFO,
9677     GD_EVENT_RELEASED,
9678     FALSE, "show level set info"
9679   },
9680   {
9681     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE, -1,
9682     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9683     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9684     SCREEN_MASK_MAIN,
9685     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9686     FALSE, "switch ECS/AGA chipset"
9687   },
9688   {
9689     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK, -1,
9690     &menu.setup.button.touch_back, NULL,
9691     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9692     SCREEN_MASK_TOUCH,
9693     GD_EVENT_RELEASED,
9694     TRUE, "previous page"
9695   },
9696   {
9697     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT, -1,
9698     &menu.setup.button.touch_next, NULL,
9699     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9700     SCREEN_MASK_TOUCH,
9701     GD_EVENT_RELEASED,
9702     TRUE, "next page"
9703   },
9704   {
9705     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2, -1,
9706     &menu.setup.button.touch_back2, NULL,
9707     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9708     SCREEN_MASK_TOUCH2,
9709     GD_EVENT_RELEASED,
9710     TRUE, "previous page"
9711   },
9712   {
9713     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2, -1,
9714     &menu.setup.button.touch_next2, NULL,
9715     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9716     SCREEN_MASK_TOUCH2,
9717     GD_EVENT_RELEASED,
9718     TRUE, "next page"
9719   },
9720 };
9721
9722 static struct
9723 {
9724   int gfx_unpressed, gfx_pressed;
9725   int x, y;
9726   int gadget_id;
9727   char *infotext;
9728 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9729 {
9730   {
9731     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9732     -1, -1,     // these values are not constant, but can change at runtime
9733     SCREEN_CTRL_ID_SCROLL_UP,
9734     "scroll up"
9735   },
9736   {
9737     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9738     -1, -1,     // these values are not constant, but can change at runtime
9739     SCREEN_CTRL_ID_SCROLL_DOWN,
9740     "scroll down"
9741   }
9742 };
9743
9744 static struct
9745 {
9746   int gfx_unpressed, gfx_pressed;
9747   int x, y;
9748   int width, height;
9749   int type;
9750   int gadget_id;
9751   char *infotext;
9752 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9753 {
9754   {
9755     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9756     -1, -1,     // these values are not constant, but can change at runtime
9757     -1, -1,     // these values are not constant, but can change at runtime
9758     GD_TYPE_SCROLLBAR_VERTICAL,
9759     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9760     "scroll level series vertically"
9761   }
9762 };
9763
9764 static struct
9765 {
9766   int graphic;
9767   int gadget_id;
9768   int x, y;
9769   int size;
9770   char *value;
9771   char *infotext;
9772 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9773 {
9774   {
9775     IMG_SETUP_INPUT_TEXT,
9776     SCREEN_CTRL_ID_NETWORK_SERVER,
9777     -1, -1,     // these values are not constant, but can change at runtime
9778     MAX_SETUP_TEXT_INPUT_LEN,
9779     network_server_hostname,
9780     "Network Server Hostname / IP"
9781   },
9782 };
9783
9784 static void CreateScreenMenubuttons(void)
9785 {
9786   struct GadgetInfo *gi;
9787   unsigned int event_mask;
9788   int i;
9789
9790   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9791   {
9792     struct MenuPosInfo *pos = menubutton_info[i].pos;
9793     int screen_mask = menubutton_info[i].screen_mask;
9794     boolean is_touch_button = menubutton_info[i].is_touch_button;
9795     boolean is_check_button = menubutton_info[i].check_value != NULL;
9796     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9797     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9798                                menubutton_info[i].gfx_unpressed);
9799     boolean has_gfx_active = (menubutton_info[i].gfx_active != -1);
9800     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9801     Bitmap *gd_bitmap_unpressed_alt, *gd_bitmap_pressed_alt;
9802     int gfx_unpressed, gfx_pressed;
9803     int gfx_unpressed_alt, gfx_pressed_alt;
9804     int x, y, width, height;
9805     int gd_x1, gd_x2, gd_y1, gd_y2;
9806     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9807     int id = menubutton_info[i].gadget_id;
9808     int type = GD_TYPE_NORMAL_BUTTON;
9809     boolean checked = FALSE;
9810
9811     // do not use touch buttons if overlay touch buttons are disabled
9812     if (is_touch_button && !setup.touch.overlay_buttons)
9813       continue;
9814
9815     event_mask = menubutton_info[i].event_mask;
9816
9817     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9818     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9819
9820     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9821     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9822
9823     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9824     gfx_pressed   = menubutton_info[i].gfx_pressed;
9825     gfx_unpressed_alt = gfx_unpressed;
9826     gfx_pressed_alt   = gfx_pressed;
9827
9828     if (has_gfx_active)
9829     {
9830       gfx_unpressed_alt = menubutton_info[i].gfx_active;
9831
9832       type = GD_TYPE_CHECK_BUTTON_2;
9833
9834       if (menubutton_info[i].check_value != NULL)
9835         checked = *menubutton_info[i].check_value;
9836     }
9837
9838     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9839     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9840     gd_bitmap_unpressed_alt = graphic_info[gfx_unpressed_alt].bitmap;
9841     gd_bitmap_pressed_alt   = graphic_info[gfx_pressed_alt].bitmap;
9842
9843     gd_x1 = graphic_info[gfx_unpressed].src_x;
9844     gd_y1 = graphic_info[gfx_unpressed].src_y;
9845     gd_x2 = graphic_info[gfx_pressed].src_x;
9846     gd_y2 = graphic_info[gfx_pressed].src_y;
9847
9848     gd_x1a = graphic_info[gfx_unpressed_alt].src_x;
9849     gd_y1a = graphic_info[gfx_unpressed_alt].src_y;
9850     gd_x2a = graphic_info[gfx_pressed_alt].src_x;
9851     gd_y2a = graphic_info[gfx_pressed_alt].src_y;
9852
9853     if (has_gfx_pressed)
9854     {
9855       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9856       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9857     }
9858
9859     if (is_check_button)
9860     {
9861       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9862       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9863       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9864       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9865
9866       type = GD_TYPE_CHECK_BUTTON;
9867
9868       if (menubutton_info[i].check_value != NULL)
9869         checked = *menubutton_info[i].check_value;
9870     }
9871
9872     if (is_score_button)
9873     {
9874       // if x/y set to -1, dynamically place buttons next to title text
9875       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9876
9877       // special compatibility handling for "Snake Bite" graphics set
9878       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9879         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9880
9881       // use "SX" here to center buttons (ignore horizontal draw offset)
9882       if (pos->x == -1)
9883         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9884              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9885              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9886              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9887
9888       // use "mSY" here to place buttons (respect vertical draw offset)
9889       if (pos->y == -1)
9890         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9891              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9892     }
9893
9894     if (id == SCREEN_CTRL_ID_LEVELSET_INFO)
9895     {
9896       if (pos->x == -1 && pos->y == -1)
9897       {
9898         // use "SX" here to place button (ignore draw offsets)
9899         x = SX + SXSIZE - 2 * TILESIZE;
9900         y = SY + SYSIZE - 2 * TILESIZE;
9901
9902         // special compatibility handling for "BD2K3" graphics set
9903         if (strPrefix(leveldir_current->identifier, "BD2K3"))
9904           x = SX + TILESIZE + MINI_TILESIZE;
9905
9906         // special compatibility handling for "jue0" graphics set
9907         if (strPrefix(artwork.gfx_current_identifier, "jue0"))
9908         {
9909           x = SX + SXSIZE - 4 * TILESIZE;
9910           y = SY + SYSIZE - 3 * TILESIZE;
9911         }
9912       }
9913     }
9914
9915     gi = CreateGadget(GDI_CUSTOM_ID, id,
9916                       GDI_CUSTOM_TYPE_ID, i,
9917                       GDI_IMAGE_ID, gfx_unpressed,
9918                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9919                       GDI_X, x,
9920                       GDI_Y, y,
9921                       GDI_WIDTH, width,
9922                       GDI_HEIGHT, height,
9923                       GDI_TYPE, type,
9924                       GDI_STATE, GD_BUTTON_UNPRESSED,
9925                       GDI_CHECKED, checked,
9926                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9927                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9928                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed_alt, gd_x1a, gd_y1a,
9929                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed_alt, gd_x2a, gd_y2a,
9930                       GDI_DIRECT_DRAW, FALSE,
9931                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9932                       GDI_EVENT_MASK, event_mask,
9933                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9934                       GDI_END);
9935
9936     if (gi == NULL)
9937       Fail("cannot create gadget");
9938
9939     screen_gadget[id] = gi;
9940   }
9941 }
9942
9943 static void CreateScreenScrollbuttons(void)
9944 {
9945   struct GadgetInfo *gi;
9946   unsigned int event_mask;
9947   int i;
9948
9949   // these values are not constant, but can change at runtime
9950   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9951   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9952   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9953   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9954
9955   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9956   {
9957     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9958     int gfx_unpressed, gfx_pressed;
9959     int x, y, width, height;
9960     int gd_x1, gd_x2, gd_y1, gd_y2;
9961     int id = scrollbutton_info[i].gadget_id;
9962
9963     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9964
9965     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9966     y = mSY + scrollbutton_info[i].y;
9967     width = SC_SCROLLBUTTON_XSIZE;
9968     height = SC_SCROLLBUTTON_YSIZE;
9969
9970     // correct scrollbar position if placed outside menu (playfield) area
9971     if (x > SX + SC_SCROLL_UP_XPOS)
9972       x = SX + SC_SCROLL_UP_XPOS;
9973
9974     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9975       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9976                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9977
9978     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9979     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9980     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9981     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9982     gd_x1 = graphic_info[gfx_unpressed].src_x;
9983     gd_y1 = graphic_info[gfx_unpressed].src_y;
9984     gd_x2 = graphic_info[gfx_pressed].src_x;
9985     gd_y2 = graphic_info[gfx_pressed].src_y;
9986
9987     gi = CreateGadget(GDI_CUSTOM_ID, id,
9988                       GDI_CUSTOM_TYPE_ID, i,
9989                       GDI_IMAGE_ID, gfx_unpressed,
9990                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9991                       GDI_X, x,
9992                       GDI_Y, y,
9993                       GDI_WIDTH, width,
9994                       GDI_HEIGHT, height,
9995                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9996                       GDI_STATE, GD_BUTTON_UNPRESSED,
9997                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9998                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9999                       GDI_DIRECT_DRAW, FALSE,
10000                       GDI_EVENT_MASK, event_mask,
10001                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10002                       GDI_END);
10003
10004     if (gi == NULL)
10005       Fail("cannot create gadget");
10006
10007     screen_gadget[id] = gi;
10008   }
10009 }
10010
10011 static void CreateScreenScrollbars(void)
10012 {
10013   int i;
10014
10015   // these values are not constant, but can change at runtime
10016   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
10017   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
10018   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
10019   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
10020
10021   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10022   {
10023     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
10024     int gfx_unpressed, gfx_pressed;
10025     int x, y, width, height;
10026     int gd_x1, gd_x2, gd_y1, gd_y2;
10027     struct GadgetInfo *gi;
10028     int items_max, items_visible, item_position;
10029     unsigned int event_mask;
10030     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
10031     int id = scrollbar_info[i].gadget_id;
10032
10033     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
10034
10035     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
10036     y = mSY + scrollbar_info[i].y;
10037     width  = scrollbar_info[i].width;
10038     height = scrollbar_info[i].height;
10039
10040     // correct scrollbar position if placed outside menu (playfield) area
10041     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
10042       x = SX + SC_SCROLL_VERTICAL_XPOS;
10043
10044     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
10045       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
10046
10047     items_max = num_page_entries;
10048     items_visible = num_page_entries;
10049     item_position = 0;
10050
10051     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
10052     gfx_pressed   = scrollbar_info[i].gfx_pressed;
10053     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
10054     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
10055     gd_x1 = graphic_info[gfx_unpressed].src_x;
10056     gd_y1 = graphic_info[gfx_unpressed].src_y;
10057     gd_x2 = graphic_info[gfx_pressed].src_x;
10058     gd_y2 = graphic_info[gfx_pressed].src_y;
10059
10060     gi = CreateGadget(GDI_CUSTOM_ID, id,
10061                       GDI_CUSTOM_TYPE_ID, i,
10062                       GDI_IMAGE_ID, gfx_unpressed,
10063                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
10064                       GDI_X, x,
10065                       GDI_Y, y,
10066                       GDI_WIDTH, width,
10067                       GDI_HEIGHT, height,
10068                       GDI_TYPE, scrollbar_info[i].type,
10069                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
10070                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10071                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
10072                       GDI_WHEEL_AREA_X, SX,
10073                       GDI_WHEEL_AREA_Y, SY,
10074                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
10075                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
10076                       GDI_STATE, GD_BUTTON_UNPRESSED,
10077                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
10078                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
10079                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
10080                       GDI_DIRECT_DRAW, FALSE,
10081                       GDI_EVENT_MASK, event_mask,
10082                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10083                       GDI_END);
10084
10085     if (gi == NULL)
10086       Fail("cannot create gadget");
10087
10088     screen_gadget[id] = gi;
10089   }
10090 }
10091
10092 static void CreateScreenTextInputGadgets(void)
10093 {
10094   int i;
10095
10096   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
10097   {
10098     int graphic = textinput_info[i].graphic;
10099     struct GraphicInfo *gd = &graphic_info[graphic];
10100     int gd_x1 = gd->src_x;
10101     int gd_y1 = gd->src_y;
10102     int gd_x2 = gd->src_x + gd->active_xoffset;
10103     int gd_y2 = gd->src_y + gd->active_yoffset;
10104     struct GadgetInfo *gi;
10105     unsigned int event_mask;
10106     int id = textinput_info[i].gadget_id;
10107     int x = textinput_info[i].x;
10108     int y = textinput_info[i].y;
10109
10110     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
10111
10112     gi = CreateGadget(GDI_CUSTOM_ID, id,
10113                       GDI_CUSTOM_TYPE_ID, i,
10114                       GDI_INFO_TEXT, textinput_info[i].infotext,
10115                       GDI_X, SX + x,
10116                       GDI_Y, SY + y,
10117                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
10118                       GDI_TEXT_VALUE, textinput_info[i].value,
10119                       GDI_TEXT_SIZE, textinput_info[i].size,
10120                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
10121                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
10122                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
10123                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
10124                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10125                       GDI_DESIGN_WIDTH, gd->width,
10126                       GDI_EVENT_MASK, event_mask,
10127                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10128                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10129                       GDI_END);
10130
10131     if (gi == NULL)
10132       Fail("cannot create gadget");
10133
10134     screen_gadget[id] = gi;
10135   }
10136 }
10137
10138 void CreateScreenGadgets(void)
10139 {
10140   CreateScreenMenubuttons();
10141
10142   CreateScreenScrollbuttons();
10143   CreateScreenScrollbars();
10144
10145   CreateScreenTextInputGadgets();
10146 }
10147
10148 void FreeScreenGadgets(void)
10149 {
10150   int i;
10151
10152   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10153     FreeGadget(screen_gadget[i]);
10154 }
10155
10156 static void RedrawScreenMenuGadgets(int screen_mask)
10157 {
10158   int i;
10159
10160   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10161     if (screen_mask & menubutton_info[i].screen_mask)
10162       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10163 }
10164
10165 static void MapScreenMenuGadgets(int screen_mask)
10166 {
10167   int i;
10168
10169   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10170     if (screen_mask & menubutton_info[i].screen_mask)
10171       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10172 }
10173
10174 static void UnmapScreenMenuGadgets(int screen_mask)
10175 {
10176   int i;
10177
10178   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10179   {
10180     if (screen_mask & menubutton_info[i].screen_mask)
10181     {
10182       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10183
10184       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10185         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10186                        screen_gadget[menubutton_info[i].gadget_id]->y,
10187                        screen_gadget[menubutton_info[i].gadget_id]->width,
10188                        screen_gadget[menubutton_info[i].gadget_id]->height);
10189     }
10190   }
10191 }
10192
10193 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10194 {
10195   if (map_gadgets)
10196     MapScreenMenuGadgets(screen_mask);
10197   else
10198     UnmapScreenMenuGadgets(screen_mask);
10199 }
10200
10201 static void MapScreenGadgets(int num_entries)
10202 {
10203   int i;
10204
10205   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10206     return;
10207
10208   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10209     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10210
10211   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10212     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10213 }
10214
10215 static void UnmapScreenGadgets()
10216 {
10217   int i;
10218
10219   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10220     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10221
10222   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10223     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10224 }
10225
10226 static void MapScreenTreeGadgets(TreeInfo *ti)
10227 {
10228   MapScreenGadgets(numTreeInfoInGroup(ti));
10229 }
10230
10231 static void UnmapScreenTreeGadgets(void)
10232 {
10233   UnmapScreenGadgets();
10234 }
10235
10236 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10237 {
10238   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10239   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10240   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10241   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10242
10243   if (pos_1->x == -1 && pos_1->y == -1)
10244     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10245
10246   if (pos_2->x == -1 && pos_2->y == -1)
10247     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10248 }
10249
10250 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10251 {
10252   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10253   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10254
10255   // set gadget position dynamically, pre-defined or off-screen
10256   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10257   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10258
10259   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10260   MapGadget(gi);        // (needed if deactivated on last score page)
10261 }
10262
10263 static void HandleScreenGadgets(struct GadgetInfo *gi)
10264 {
10265   int id = gi->custom_id;
10266   int button = gi->event.button;
10267   int step = (button == MB_LEFTBUTTON   ? 1 :
10268               button == MB_MIDDLEBUTTON ? 5 :
10269               button == MB_RIGHTBUTTON  ? 10 : 1);
10270
10271   switch (id)
10272   {
10273     case SCREEN_CTRL_ID_PREV_LEVEL:
10274       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10275       break;
10276
10277     case SCREEN_CTRL_ID_NEXT_LEVEL:
10278       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10279       break;
10280
10281     case SCREEN_CTRL_ID_PREV_LEVEL2:
10282       HandleHallOfFame_SelectLevel(step, -1);
10283       break;
10284
10285     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10286       HandleHallOfFame_SelectLevel(step, +1);
10287       break;
10288
10289     case SCREEN_CTRL_ID_PREV_SCORE:
10290       HandleScoreInfo_SelectScore(step, -1);
10291       break;
10292
10293     case SCREEN_CTRL_ID_NEXT_SCORE:
10294       HandleScoreInfo_SelectScore(step, +1);
10295       break;
10296
10297     case SCREEN_CTRL_ID_PLAY_TAPE:
10298       HandleScoreInfo_PlayTape();
10299       break;
10300
10301     case SCREEN_CTRL_ID_FIRST_LEVEL:
10302       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10303       break;
10304
10305     case SCREEN_CTRL_ID_LAST_LEVEL:
10306       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10307       break;
10308
10309     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10310       CloseDoor(DOOR_CLOSE_2);
10311       SetGameStatus(GAME_MODE_LEVELNR);
10312       DrawChooseLevelNr();
10313       break;
10314
10315     case SCREEN_CTRL_ID_PREV_PLAYER:
10316       HandleSetupScreen_Input_Player(step, -1);
10317       break;
10318
10319     case SCREEN_CTRL_ID_NEXT_PLAYER:
10320       HandleSetupScreen_Input_Player(step, +1);
10321       break;
10322
10323     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10324       InsertSolutionTape();
10325       break;
10326
10327     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10328       PlaySolutionTape();
10329       break;
10330
10331     case SCREEN_CTRL_ID_LEVELSET_INFO:
10332       DrawInfoScreen_FromMainMenu(INFO_MODE_LEVELSET);
10333       break;
10334
10335     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10336       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10337       DrawMainMenu();
10338       break;
10339
10340     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10341     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10342     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10343     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10344       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10345       break;
10346
10347     case SCREEN_CTRL_ID_SCROLL_UP:
10348       if (game_status == GAME_MODE_NAMES)
10349         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10350       else if (game_status == GAME_MODE_LEVELS)
10351         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10352       else if (game_status == GAME_MODE_LEVELNR)
10353         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10354       else if (game_status == GAME_MODE_SETUP)
10355         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10356       else if (game_status == GAME_MODE_INFO)
10357         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10358       else if (game_status == GAME_MODE_SCORES)
10359         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10360       break;
10361
10362     case SCREEN_CTRL_ID_SCROLL_DOWN:
10363       if (game_status == GAME_MODE_NAMES)
10364         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10365       else if (game_status == GAME_MODE_LEVELS)
10366         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10367       else if (game_status == GAME_MODE_LEVELNR)
10368         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10369       else if (game_status == GAME_MODE_SETUP)
10370         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10371       else if (game_status == GAME_MODE_INFO)
10372         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10373       else if (game_status == GAME_MODE_SCORES)
10374         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10375       break;
10376
10377     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10378       if (game_status == GAME_MODE_NAMES)
10379         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10380       else if (game_status == GAME_MODE_LEVELS)
10381         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10382       else if (game_status == GAME_MODE_LEVELNR)
10383         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10384       else if (game_status == GAME_MODE_SETUP)
10385         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10386       else if (game_status == GAME_MODE_INFO)
10387         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10388       else if (game_status == GAME_MODE_SCORES)
10389         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10390       break;
10391
10392     case SCREEN_CTRL_ID_NETWORK_SERVER:
10393     {
10394       if (!strEqual(gi->textinput.value, ""))
10395       {
10396         setString(&setup.network_server_hostname, gi->textinput.value);
10397
10398         network.server_host = setup.network_server_hostname;
10399       }
10400       else
10401       {
10402         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10403
10404         network.server_host = NULL;
10405       }
10406
10407       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10408         network.server_host = NULL;
10409
10410       execSetupGame_setNetworkServerText();
10411
10412       DrawSetupScreen();
10413
10414       break;
10415     }
10416
10417     default:
10418       break;
10419   }
10420 }
10421
10422 void HandleScreenGadgetKeys(Key key)
10423 {
10424   if (key == setup.shortcut.tape_play)
10425     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10426 }
10427
10428 void DumpScreenIdentifiers(void)
10429 {
10430   int i;
10431
10432   Print("Active screen elements on current screen:\n");
10433
10434   for (i = 0; main_controls[i].nr != -1; i++)
10435   {
10436     struct MainControlInfo *mci = &main_controls[i];
10437
10438     if (mci->button_graphic != -1)
10439     {
10440       char *token = getTokenFromImageID(mci->button_graphic);
10441
10442       Print("- '%s'\n", token);
10443     }
10444   }
10445
10446   Print("Done.\n");
10447 }
10448
10449 boolean DoScreenAction(int image_id)
10450 {
10451   int i;
10452
10453   if (game_status != GAME_MODE_MAIN)
10454     return FALSE;
10455
10456   for (i = 0; main_controls[i].nr != -1; i++)
10457   {
10458     struct MainControlInfo *mci = &main_controls[i];
10459     struct MenuPosInfo *pos = mci->pos_button;
10460
10461     if (mci->button_graphic == image_id)
10462     {
10463       int x = mSX + pos->x;
10464       int y = mSY + pos->y;
10465
10466       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10467
10468       return TRUE;
10469     }
10470   }
10471
10472   return FALSE;
10473 }
10474
10475 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10476 {
10477   // get tree info node of newly added level or artwork set
10478   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10479   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10480                                                       tree_subdir_new);
10481   if (tree_node_new == NULL)    // should not happen
10482     return;
10483
10484   // if request dialog is active, do nothing
10485   if (game.request_active)
10486     return;
10487
10488   if (game_status == GAME_MODE_MAIN &&
10489       tree_type == TREE_TYPE_LEVEL_DIR)
10490   {
10491     // when adding new level set in main menu, select it as current level set
10492
10493     // change current level set to newly added level set from zip file
10494     leveldir_current = tree_node_new;
10495
10496     // change current level number to first level of newly added level set
10497     level_nr = leveldir_current->first_level;
10498
10499     // redraw screen to reflect changed level set
10500     DrawMainMenu();
10501
10502     // save this level set and level number as last selected level set
10503     SaveLevelSetup_LastSeries();
10504     SaveLevelSetup_SeriesInfo();
10505   }
10506   else if (game_status == GAME_MODE_LEVELS &&
10507            tree_type == TREE_TYPE_LEVEL_DIR)
10508   {
10509     // when adding new level set in level set menu, set cursor and update screen
10510
10511     leveldir_current = tree_node_new;
10512
10513     DrawChooseTree(&leveldir_current);
10514   }
10515   else if (game_status == GAME_MODE_SETUP)
10516   {
10517     // when adding new artwork set in setup menu, set cursor and update screen
10518
10519     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10520         tree_type == TREE_TYPE_GRAPHICS_DIR)
10521     {
10522       artwork.gfx_current = tree_node_new;
10523
10524       DrawChooseTree(&artwork.gfx_current);
10525     }
10526     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10527              tree_type == TREE_TYPE_SOUNDS_DIR)
10528     {
10529       artwork.snd_current = tree_node_new;
10530
10531       DrawChooseTree(&artwork.snd_current);
10532     }
10533     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10534              tree_type == TREE_TYPE_MUSIC_DIR)
10535     {
10536       artwork.mus_current = tree_node_new;
10537
10538       DrawChooseTree(&artwork.mus_current);
10539     }
10540   }
10541 }
10542
10543 static int UploadTapes(void)
10544 {
10545   SetGameStatus(GAME_MODE_LOADING);
10546
10547   FadeSetEnterScreen();
10548   FadeOut(REDRAW_ALL);
10549
10550   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10551
10552   FadeIn(REDRAW_ALL);
10553
10554   DrawInitTextHead("Uploading tapes");
10555
10556   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10557   global.autoplay_leveldir = "ALL";
10558   global.autoplay_all = TRUE;
10559
10560   int num_tapes_uploaded = AutoPlayTapes();
10561
10562   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10563   global.autoplay_leveldir = NULL;
10564   global.autoplay_all = FALSE;
10565
10566   SetGameStatus(GAME_MODE_MAIN);
10567
10568   DrawMainMenu();
10569
10570   return num_tapes_uploaded;
10571 }
10572
10573 static boolean OfferUploadTapes(void)
10574 {
10575   if (!Request(setup.has_remaining_tapes ?
10576                "Upload missing tapes to the high score server now?" :
10577                "Upload all your tapes to the high score server now?", REQ_ASK))
10578     return FALSE;
10579
10580   // when uploading tapes, make sure that high score server is enabled
10581   runtime.use_api_server = setup.use_api_server = TRUE;
10582
10583   int num_tapes_uploaded = UploadTapes();
10584   char message[100];
10585
10586   if (num_tapes_uploaded < 0)
10587   {
10588     num_tapes_uploaded = -num_tapes_uploaded - 1;
10589
10590     if (num_tapes_uploaded == 0)
10591       sprintf(message, "Upload failed! No tapes uploaded!");
10592     else if (num_tapes_uploaded == 1)
10593       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10594     else
10595       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10596               num_tapes_uploaded);
10597
10598     Request(message, REQ_CONFIRM);
10599
10600     // if uploading tapes failed, add tape upload entry to setup menu
10601     setup.provide_uploading_tapes = TRUE;
10602     setup.has_remaining_tapes = TRUE;
10603
10604     SaveSetup_ServerSetup();
10605
10606     return FALSE;
10607   }
10608
10609   if (num_tapes_uploaded == 0)
10610     sprintf(message, "No tapes uploaded!");
10611   else if (num_tapes_uploaded == 1)
10612     sprintf(message, "1 tape uploaded!");
10613   else
10614     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10615
10616   Request(message, REQ_CONFIRM);
10617
10618   if (num_tapes_uploaded > 0)
10619     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10620
10621   // after all tapes have been uploaded, remove entry from setup menu
10622   setup.provide_uploading_tapes = FALSE;
10623   setup.has_remaining_tapes = FALSE;
10624
10625   SaveSetup_ServerSetup();
10626
10627   return TRUE;
10628 }
10629
10630 static void CheckUploadTapes(void)
10631 {
10632   if (!setup.ask_for_uploading_tapes)
10633     return;
10634
10635   // after asking for uploading tapes, do not ask again
10636   setup.ask_for_uploading_tapes = FALSE;
10637   setup.ask_for_remaining_tapes = FALSE;
10638
10639   if (directoryExists(getTapeDir(NULL)))
10640   {
10641     boolean tapes_uploaded = OfferUploadTapes();
10642
10643     if (!tapes_uploaded)
10644     {
10645       Request(setup.has_remaining_tapes ?
10646               "You can upload missing tapes from the setup menu later!" :
10647               "You can upload your tapes from the setup menu later!",
10648               REQ_CONFIRM);
10649     }
10650   }
10651   else
10652   {
10653     // if tapes directory does not exist yet, never offer uploading all tapes
10654     setup.provide_uploading_tapes = FALSE;
10655   }
10656
10657   SaveSetup_ServerSetup();
10658 }
10659
10660 static void UpgradePlayerUUID(void)
10661 {
10662   ApiResetUUIDAsThread(getUUID());
10663 }
10664
10665 static void CheckUpgradePlayerUUID(void)
10666 {
10667   if (setup.player_version > 1)
10668     return;
10669
10670   UpgradePlayerUUID();
10671 }
10672
10673 void CheckApiServerTasks(void)
10674 {
10675   // check if the player's UUID has to be upgraded
10676   CheckUpgradePlayerUUID();
10677
10678   // check if there are any tapes to be uploaded
10679   CheckUploadTapes();
10680 }