1bc0dcd66283c6d5e76b817d3a29800ad2141da1
[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 // setup screen titles
96 #define STR_SETUP_MAIN                  "Setup"
97 #define STR_SETUP_GAME                  "Game & Menu"
98 #define STR_SETUP_ENGINES               "Game Engines"
99 #define STR_SETUP_EDITOR                "Editor"
100 #define STR_SETUP_GRAPHICS              "Graphics"
101 #define STR_SETUP_SOUND                 "Sound & Music"
102 #define STR_SETUP_ARTWORK               "Custom Artwork"
103 #define STR_SETUP_INPUT                 "Input Devices"
104 #define STR_SETUP_TOUCH                 "Touch Controls"
105 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
106 #define STR_SETUP_EXIT                  "Exit"
107 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
108
109 #define STR_SETUP_CHOOSE_SCORES_TYPE    "Scores Type"
110 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
111 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
112 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
113 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
114 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
115 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
116 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
117 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
118 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
119 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
120 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
121 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
122 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
123 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
124 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
125 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
126 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
127 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
128
129 // other screen text constants
130 #define STR_CHOOSE_TREE_EDIT            "Edit"
131 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
132 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
133
134 #define TEXT_NEXT_PAGE                  "Press any key or button for next page"
135 #define TEXT_INFO_MENU                  "Press any key or button for info menu"
136
137 // for input setup functions
138 #define SETUPINPUT_SCREEN_POS_START     0
139 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
140 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
141 #define SETUPINPUT_SCREEN_POS_END       13
142
143 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
144 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
145
146 #define MAX_SETUP_TEXT_INPUT_LEN        28
147
148 // for various menu stuff
149 #define MENU_SCREEN_START_XPOS          1
150 #define MENU_SCREEN_START_YPOS          2
151 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
152 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
153 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
154 #define MENU_TITLE1_YPOS                8
155 #define MENU_TITLE2_YPOS                46
156 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
157 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
158 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
159 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
160 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
161 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
162 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
163 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
164 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
165 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
166 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
167                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
168                                                          MENU_INFO_FONT_TITLE))
169 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
170 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
171 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
172                                          MENU_SCREEN_INFO_YSTART2 -     \
173                                          TILEY / 2)
174 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
175 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
176                                          MENU_SCREEN_INFO_YSTEP)
177 #define NUM_INFO_ELEMENTS_FROM_CONF     \
178   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
179    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
180    MAX_MENU_ENTRIES_ON_SCREEN)
181 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
182                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
183                                             NUM_INFO_ELEMENTS_FROM_CONF)
184 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
185 #define MAX_MENU_TEXT_LENGTH_BIG        13
186 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
187
188 // screen gadget identifiers
189 #define SCREEN_CTRL_ID_PREV_LEVEL       0
190 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
191 #define SCREEN_CTRL_ID_PREV_LEVEL2      2
192 #define SCREEN_CTRL_ID_NEXT_LEVEL2      3
193 #define SCREEN_CTRL_ID_PREV_SCORE       4
194 #define SCREEN_CTRL_ID_NEXT_SCORE       5
195 #define SCREEN_CTRL_ID_PLAY_TAPE        6
196 #define SCREEN_CTRL_ID_FIRST_LEVEL      7
197 #define SCREEN_CTRL_ID_LAST_LEVEL       8
198 #define SCREEN_CTRL_ID_LEVEL_NUMBER     9
199 #define SCREEN_CTRL_ID_PREV_PLAYER      10
200 #define SCREEN_CTRL_ID_NEXT_PLAYER      11
201 #define SCREEN_CTRL_ID_INSERT_SOLUTION  12
202 #define SCREEN_CTRL_ID_PLAY_SOLUTION    13
203 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   14
204 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  15
205 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  16
206 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 17
207 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 18
208
209 #define NUM_SCREEN_MENUBUTTONS          19
210
211 #define SCREEN_CTRL_ID_SCROLL_UP        19
212 #define SCREEN_CTRL_ID_SCROLL_DOWN      20
213 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  21
214 #define SCREEN_CTRL_ID_NETWORK_SERVER   22
215
216 #define NUM_SCREEN_GADGETS              23
217
218 #define NUM_SCREEN_SCROLLBUTTONS        2
219 #define NUM_SCREEN_SCROLLBARS           1
220 #define NUM_SCREEN_TEXTINPUT            1
221
222 #define SCREEN_MASK_MAIN                (1 << 0)
223 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
224 #define SCREEN_MASK_INPUT               (1 << 2)
225 #define SCREEN_MASK_TOUCH               (1 << 3)
226 #define SCREEN_MASK_TOUCH2              (1 << 4)
227 #define SCREEN_MASK_SCORES              (1 << 5)
228 #define SCREEN_MASK_SCORES_INFO         (1 << 6)
229
230 // graphic position and size values for buttons and scrollbars
231 #define SC_MENUBUTTON_XSIZE             TILEX
232 #define SC_MENUBUTTON_YSIZE             TILEY
233
234 #define SC_SCROLLBUTTON_XSIZE           TILEX
235 #define SC_SCROLLBUTTON_YSIZE           TILEY
236
237 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
238
239 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
240 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
241                                          SC_SCROLLBUTTON_YSIZE)
242
243 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
244 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
245
246 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
247 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
248                                          SC_SCROLLBUTTON_YSIZE)
249
250 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
251 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
252                                          SC_SCROLL_VERTICAL_YSIZE)
253
254 #define SC_BORDER_SIZE                  14
255
256
257 // forward declarations of internal functions
258 static void HandleScreenGadgets(struct GadgetInfo *);
259 static void HandleSetupScreen_Generic(int, int, int, int, int);
260 static void HandleSetupScreen_Input(int, int, int, int, int);
261 static void CustomizeKeyboard(int);
262 static void ConfigureJoystick(int);
263 static void ConfigureVirtualButtons(void);
264 static void execSetupGame(void);
265 static void execSetupEngines(void);
266 static void execSetupGraphics(void);
267 static void execSetupSound(void);
268 static void execSetupTouch(void);
269 static void execSetupArtwork(void);
270 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
271
272 static void DrawChoosePlayerName(void);
273 static void DrawChooseLevelSet(void);
274 static void DrawChooseLevelNr(void);
275 static void DrawScoreInfo(int);
276 static void DrawScoreInfo_Content(int);
277 static void DrawInfoScreen(void);
278 static void DrawSetupScreen(void);
279 static void DrawTypeName(void);
280
281 static void DrawInfoScreen_NotAvailable(char *, char *);
282 static void DrawInfoScreen_HelpAnim(int, int, boolean);
283 static void DrawInfoScreen_HelpText(int, int, int, int);
284 static void HandleInfoScreen_Main(int, int, int, int, int);
285 static void HandleInfoScreen_TitleScreen(int, int, int);
286 static void HandleInfoScreen_Elements(int, int, int);
287 static void HandleInfoScreen_Music(int, int, int);
288 static void HandleInfoScreen_Credits(int, int, int);
289 static void HandleInfoScreen_Program(int, int, int);
290 static void HandleInfoScreen_Version(int);
291
292 static void ModifyGameSpeedIfNeeded(void);
293 static void DisableVsyncIfNeeded(void);
294
295 static void RedrawScreenMenuGadgets(int);
296 static void MapScreenMenuGadgets(int);
297 static void UnmapScreenMenuGadgets(int);
298 static void MapScreenGadgets(int);
299 static void UnmapScreenGadgets(void);
300 static void MapScreenTreeGadgets(TreeInfo *);
301 static void UnmapScreenTreeGadgets(void);
302
303 static void UpdateScreenMenuGadgets(int, boolean);
304 static void AdjustScoreInfoButtons_SelectScore(int, int, int);
305 static void AdjustScoreInfoButtons_PlayTape(int, int, boolean);
306
307 static boolean OfferUploadTapes(void);
308 static void execOfferUploadTapes(void);
309
310 static void DrawHallOfFame_setScoreEntries(void);
311 static void HandleHallOfFame_SelectLevel(int, int);
312 static char *getHallOfFameRankText(int, int);
313 static char *getHallOfFameScoreText(int, int);
314
315 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *);
316
317 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
318
319 static int info_mode = INFO_MODE_MAIN;
320 static int setup_mode = SETUP_MODE_MAIN;
321
322 static TreeInfo *window_sizes = NULL;
323 static TreeInfo *window_size_current = NULL;
324
325 static TreeInfo *scaling_types = NULL;
326 static TreeInfo *scaling_type_current = NULL;
327
328 static TreeInfo *rendering_modes = NULL;
329 static TreeInfo *rendering_mode_current = NULL;
330
331 static TreeInfo *vsync_modes = NULL;
332 static TreeInfo *vsync_mode_current = NULL;
333
334 static TreeInfo *scroll_delays = NULL;
335 static TreeInfo *scroll_delay_current = NULL;
336
337 static TreeInfo *snapshot_modes = NULL;
338 static TreeInfo *snapshot_mode_current = NULL;
339
340 static TreeInfo *scores_types = NULL;
341 static TreeInfo *scores_type_current = NULL;
342
343 static TreeInfo *game_speeds_normal = NULL;
344 static TreeInfo *game_speeds_extended = NULL;
345 static TreeInfo *game_speeds = NULL;
346 static TreeInfo *game_speed_current = NULL;
347
348 static TreeInfo *volumes_simple = NULL;
349 static TreeInfo *volume_simple_current = NULL;
350
351 static TreeInfo *volumes_loops = NULL;
352 static TreeInfo *volume_loops_current = NULL;
353
354 static TreeInfo *volumes_music = NULL;
355 static TreeInfo *volume_music_current = NULL;
356
357 static TreeInfo *touch_controls = NULL;
358 static TreeInfo *touch_control_current = NULL;
359
360 static TreeInfo *move_distances = NULL;
361 static TreeInfo *move_distance_current = NULL;
362
363 static TreeInfo *drop_distances = NULL;
364 static TreeInfo *drop_distance_current = NULL;
365
366 static TreeInfo *transparencies = NULL;
367 static TreeInfo *transparency_current = NULL;
368
369 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
370 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
371
372 static TreeInfo *player_name = NULL;
373 static TreeInfo *player_name_current = NULL;
374
375 static TreeInfo *level_number = NULL;
376 static TreeInfo *level_number_current = NULL;
377
378 static TreeInfo *score_entries = NULL;
379 static TreeInfo *score_entry_current = NULL;
380
381 static struct ValueTextInfo window_sizes_list[] =
382 {
383   {     50,     "50 %"                          },
384   {     80,     "80 %"                          },
385   {     90,     "90 %"                          },
386   {     100,    "100 % (Default)"               },
387   {     110,    "110 %"                         },
388   {     120,    "120 %"                         },
389   {     130,    "130 %"                         },
390   {     140,    "140 %"                         },
391   {     150,    "150 %"                         },
392   {     200,    "200 %"                         },
393   {     250,    "250 %"                         },
394   {     300,    "300 %"                         },
395
396   {     -1,     NULL                            },
397 };
398
399 static struct StringValueTextInfo scaling_types_list[] =
400 {
401   {     SCALING_QUALITY_NEAREST, "Off"          },
402   {     SCALING_QUALITY_LINEAR,  "Linear"       },
403   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
404
405   {     NULL,                    NULL           },
406 };
407
408 static struct StringValueTextInfo rendering_modes_list[] =
409 {
410   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
411   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
412 #if DEBUG
413   // this mode may work under certain conditions, but does not work on Windows
414   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
415 #endif
416   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
417
418   {     NULL,                            NULL                            },
419 };
420
421 static struct StringValueTextInfo vsync_modes_list[] =
422 {
423   {     STR_VSYNC_MODE_OFF,             "Off"           },
424   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
425   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
426
427   {     NULL,                            NULL           },
428 };
429
430 static struct StringValueTextInfo scores_types_list[] =
431 {
432   {     STR_SCORES_TYPE_LOCAL_ONLY,         "Local scores only"         },
433   {     STR_SCORES_TYPE_SERVER_ONLY,        "Server scores only"        },
434   {     STR_SCORES_TYPE_LOCAL_AND_SERVER,   "Local and server scores"   },
435
436   {     NULL,                           NULL            },
437 };
438
439 static struct ValueTextInfo game_speeds_list_normal[] =
440 {
441   {     30,     "Very Slow"                     },
442   {     25,     "Slow"                          },
443   {     20,     "Normal"                        },
444   {     15,     "Fast"                          },
445   {     10,     "Very Fast"                     },
446
447   {     -1,     NULL                            },
448 };
449
450 static struct ValueTextInfo game_speeds_list_extended[] =
451 {
452   {     1000,   "1 fps (Extremely Slow)"        },
453   {     500,    "2 fps"                         },
454   {     200,    "5 fps"                         },
455   {     100,    "10 fps"                        },
456   {     50,     "20 fps"                        },
457   {     29,     "35 fps (Original Supaplex)"    },
458   {     25,     "40 fps"                        },
459   {     20,     "50 fps (=== Normal Speed ===)" },
460   {     16,     "60 fps (60 Hz VSync Speed)"    },
461   {     14,     "70 fps (Maximum Supaplex)"     },
462   {     10,     "100 fps"                       },
463   {     5,      "200 fps"                       },
464   {     2,      "500 fps"                       },
465   {     1,      "1000 fps (Extremely Fast)"     },
466
467   {     -1,     NULL                            },
468 };
469
470 static struct ValueTextInfo *game_speeds_list;
471
472 static struct ValueTextInfo scroll_delays_list[] =
473 {
474   {     0,      "0 Tiles (No Scroll Delay)"     },
475   {     1,      "1 Tile"                        },
476   {     2,      "2 Tiles"                       },
477   {     3,      "3 Tiles (Default)"             },
478   {     4,      "4 Tiles"                       },
479   {     5,      "5 Tiles"                       },
480   {     6,      "6 Tiles"                       },
481   {     7,      "7 Tiles"                       },
482   {     8,      "8 Tiles (Maximum Scroll Delay)"},
483
484   {     -1,     NULL                            },
485 };
486
487 static struct StringValueTextInfo snapshot_modes_list[] =
488 {
489   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
490   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
491   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
492   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
493
494   {     NULL,                                   NULL            },
495 };
496
497 static struct ValueTextInfo volumes_list[] =
498 {
499   {     0,      "0 %"                           },
500   {     1,      "1 %"                           },
501   {     2,      "2 %"                           },
502   {     5,      "5 %"                           },
503   {     10,     "10 %"                          },
504   {     20,     "20 %"                          },
505   {     30,     "30 %"                          },
506   {     40,     "40 %"                          },
507   {     50,     "50 %"                          },
508   {     60,     "60 %"                          },
509   {     70,     "70 %"                          },
510   {     80,     "80 %"                          },
511   {     90,     "90 %"                          },
512   {     100,    "100 %"                         },
513
514   {     -1,     NULL                            },
515 };
516
517 static struct StringValueTextInfo touch_controls_list[] =
518 {
519   {     TOUCH_CONTROL_OFF,              "Off"                   },
520   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
521   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
522   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
523
524   {     NULL,                           NULL                    },
525 };
526
527 static struct ValueTextInfo distances_list[] =
528 {
529   {     1,      "1 %"                           },
530   {     2,      "2 %"                           },
531   {     3,      "3 %"                           },
532   {     4,      "4 %"                           },
533   {     5,      "5 %"                           },
534   {     10,     "10 %"                          },
535   {     15,     "15 %"                          },
536   {     20,     "20 %"                          },
537   {     25,     "25 %"                          },
538
539   {     -1,     NULL                            },
540 };
541
542 static struct ValueTextInfo transparencies_list[] =
543 {
544   {     0,      "0 % (Opaque)"                  },
545   {     10,     "10 %"                          },
546   {     20,     "20 %"                          },
547   {     30,     "30 %"                          },
548   {     40,     "40 %"                          },
549   {     50,     "50 %"                          },
550   {     60,     "60 %"                          },
551   {     70,     "70 %"                          },
552   {     80,     "80 %"                          },
553   {     90,     "90 %"                          },
554   {     100,    "100 % (Invisible)"             },
555
556   {     -1,     NULL                            },
557 };
558
559 static struct ValueTextInfo grid_sizes_list[] =
560 {
561   {     3,      "3"                             },
562   {     4,      "4"                             },
563   {     5,      "5"                             },
564   {     6,      "6"                             },
565   {     7,      "7"                             },
566   {     8,      "8"                             },
567   {     9,      "9"                             },
568   {     10,     "10"                            },
569   {     11,     "11"                            },
570   {     12,     "12"                            },
571   {     13,     "13"                            },
572   {     14,     "14"                            },
573   {     15,     "15"                            },
574   {     16,     "16"                            },
575   {     17,     "17"                            },
576   {     18,     "18"                            },
577   {     19,     "19"                            },
578   {     20,     "20"                            },
579   {     21,     "21"                            },
580   {     22,     "22"                            },
581   {     23,     "23"                            },
582   {     24,     "24"                            },
583   {     25,     "25"                            },
584   {     26,     "26"                            },
585   {     27,     "27"                            },
586   {     28,     "28"                            },
587   {     29,     "29"                            },
588   {     30,     "30"                            },
589   {     31,     "31"                            },
590   {     32,     "32"                            },
591
592   {     -1,     NULL                            },
593 };
594
595 static int align_xoffset = 0;
596 static int align_yoffset = 0;
597
598 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
599                                  (s) <= GAME_MODE_SETUP ? (s) :         \
600                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
601                                  GAME_MODE_MAIN :                       \
602                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
603                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
604
605 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
606 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
607                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
608                                  INFO_MODE_MAIN)
609
610 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
611                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
612                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
613                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
614                                  SETUP_MODE_CHOOSE_ARTWORK :            \
615                                  SETUP_MODE_CHOOSE_OTHER)
616
617 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
618                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
619                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
620 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
621                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
622                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
623 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
624                                  menu.extra_spacing[GAME_MODE_INFO] :   \
625                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
626
627 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
628                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
629                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
630 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
631                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
632                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
633 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
634                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
635                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
636
637 #define EXTRA_SPACING_SCORES(i) (EXTRA_SPACING_INFO(i))
638
639 #define EXTRA_SPACING_SCOREINFO(i) (menu.extra_spacing[GAME_MODE_SCOREINFO])
640
641 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
642                                  DRAW_XOFFSET_INFO(info_mode) :         \
643                                  (s) == GAME_MODE_SETUP ?               \
644                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
645                                  menu.draw_xoffset[DRAW_MODE(s)])
646 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
647                                  DRAW_YOFFSET_INFO(info_mode) :         \
648                                  (s) == GAME_MODE_SETUP ?               \
649                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
650                                  menu.draw_yoffset[DRAW_MODE(s)])
651 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
652                                  EXTRA_SPACING_INFO(info_mode) :        \
653                                  (s) == GAME_MODE_SETUP ?               \
654                                  EXTRA_SPACING_SETUP(setup_mode) :      \
655                                  (s) == GAME_MODE_SCORES ?              \
656                                  EXTRA_SPACING_SCORES(info_mode) :      \
657                                  menu.extra_spacing[DRAW_MODE(s)])
658
659 #define mSX                     (SX + DRAW_XOFFSET(game_status))
660 #define mSY                     (SY + DRAW_YOFFSET(game_status))
661
662 #define amSX                    (mSX + align_xoffset)
663 #define amSY                    (mSY + align_yoffset)
664
665 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
666                                     menu.list_size[game_status] :       \
667                                     MAX_MENU_ENTRIES_ON_SCREEN)
668
669 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
670                                          NUM_MENU_ENTRIES_ON_SCREEN)
671
672
673 // title display and control definitions
674
675 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
676                                  2 * MAX_NUM_TITLE_MESSAGES)
677
678 #define NO_DIRECT_LEVEL_SELECT  (-1)
679
680
681 static int num_title_screens = 0;
682
683 struct TitleControlInfo
684 {
685   boolean is_image;
686   boolean initial;
687   boolean first;
688   int local_nr;
689   int sort_priority;
690 };
691
692 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
693
694
695 // credits screens definitions
696
697 static int num_credits_screens = 0;
698 static boolean use_global_credits_screens = FALSE;
699
700
701 // program info screens definitions
702
703 static int num_program_info_screens = 0;
704
705
706 // main menu display and control definitions
707
708 #define MAIN_CONTROL_NAME                       0
709 #define MAIN_CONTROL_LEVELS                     1
710 #define MAIN_CONTROL_SCORES                     2
711 #define MAIN_CONTROL_EDITOR                     3
712 #define MAIN_CONTROL_INFO                       4
713 #define MAIN_CONTROL_GAME                       5
714 #define MAIN_CONTROL_SETUP                      6
715 #define MAIN_CONTROL_QUIT                       7
716 #define MAIN_CONTROL_PREV_LEVEL                 8
717 #define MAIN_CONTROL_NEXT_LEVEL                 9
718 #define MAIN_CONTROL_FIRST_LEVEL                10
719 #define MAIN_CONTROL_LAST_LEVEL                 11
720 #define MAIN_CONTROL_LEVEL_NUMBER               12
721 #define MAIN_CONTROL_LEVEL_INFO_1               13
722 #define MAIN_CONTROL_LEVEL_INFO_2               14
723 #define MAIN_CONTROL_LEVEL_NAME                 15
724 #define MAIN_CONTROL_LEVEL_AUTHOR               16
725 #define MAIN_CONTROL_LEVEL_YEAR                 17
726 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
727 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
728 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
729 #define MAIN_CONTROL_TITLE_1                    21
730 #define MAIN_CONTROL_TITLE_2                    22
731 #define MAIN_CONTROL_TITLE_3                    23
732
733 static char str_main_text_name[10];
734 static char str_main_text_first_level[10];
735 static char str_main_text_last_level[10];
736 static char str_main_text_level_number[10];
737
738 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
739
740 static char *main_text_name                     = str_main_text_name;
741 static char *main_text_first_level              = str_main_text_first_level;
742 static char *main_text_last_level               = str_main_text_last_level;
743 static char *main_text_level_number             = str_main_text_level_number;
744 static char *main_text_levels                   = "Levelset";
745 static char *main_text_scores                   = "Hall Of Fame";
746 static char *main_text_editor                   = "Level Creator";
747 static char *main_text_info                     = "Info Screen";
748 static char *main_text_game                     = "Start Game";
749 static char *main_text_setup                    = "Setup";
750 static char *main_text_quit                     = "Quit";
751 static char *main_text_level_name               = level.name;
752 static char *main_text_level_author             = level.author;
753 static char *main_text_level_year               = NULL;
754 static char *main_text_level_imported_from      = NULL;
755 static char *main_text_level_imported_by        = NULL;
756 static char *main_text_level_tested_by          = NULL;
757 static char *main_text_title_1                  = NULL;
758 static char *main_text_title_2                  = NULL;
759 static char *main_text_title_3                  = NULL;
760
761 extern char debug_xsn_mode[];
762
763 struct MainControlInfo
764 {
765   int nr;
766
767   struct MenuPosInfo *pos_button;
768   int button_graphic;
769
770   struct TextPosInfo *pos_text;
771   char **text;
772
773   struct TextPosInfo *pos_input;
774   char **input;
775 };
776
777 static struct MainControlInfo main_controls[] =
778 {
779   {
780     MAIN_CONTROL_NAME,
781     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
782     &menu.main.text.name,               &main_text_name,
783     &menu.main.input.name,              &setup.player_name,
784   },
785   {
786     MAIN_CONTROL_LEVELS,
787     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
788     &menu.main.text.levels,             &main_text_levels,
789     NULL,                               NULL,
790   },
791   {
792     MAIN_CONTROL_SCORES,
793     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
794     &menu.main.text.scores,             &main_text_scores,
795     NULL,                               NULL,
796   },
797   {
798     MAIN_CONTROL_EDITOR,
799     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
800     &menu.main.text.editor,             &main_text_editor,
801     NULL,                               NULL,
802   },
803   {
804     MAIN_CONTROL_INFO,
805     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
806     &menu.main.text.info,               &main_text_info,
807     NULL,                               NULL,
808   },
809   {
810     MAIN_CONTROL_GAME,
811     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
812     &menu.main.text.game,               &main_text_game,
813     NULL,                               NULL,
814   },
815   {
816     MAIN_CONTROL_SETUP,
817     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
818     &menu.main.text.setup,              &main_text_setup,
819     NULL,                               NULL,
820   },
821   {
822     MAIN_CONTROL_QUIT,
823     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
824     &menu.main.text.quit,               &main_text_quit,
825     NULL,                               NULL,
826   },
827   {
828     MAIN_CONTROL_PREV_LEVEL,
829     NULL,                               -1,
830     NULL,                               NULL,
831     NULL,                               NULL,
832   },
833   {
834     MAIN_CONTROL_NEXT_LEVEL,
835     NULL,                               -1,
836     NULL,                               NULL,
837     NULL,                               NULL,
838   },
839   {
840     MAIN_CONTROL_FIRST_LEVEL,
841     NULL,                               -1,
842     &menu.main.text.first_level,        &main_text_first_level,
843     NULL,                               NULL,
844   },
845   {
846     MAIN_CONTROL_LAST_LEVEL,
847     NULL,                               -1,
848     &menu.main.text.last_level,         &main_text_last_level,
849     NULL,                               NULL,
850   },
851   {
852     MAIN_CONTROL_LEVEL_NUMBER,
853     NULL,                               -1,
854     &menu.main.text.level_number,       &main_text_level_number,
855     NULL,                               NULL,
856   },
857   {
858     MAIN_CONTROL_LEVEL_INFO_1,
859     NULL,                               -1,
860     &menu.main.text.level_info_1,       NULL,
861     NULL,                               NULL,
862   },
863   {
864     MAIN_CONTROL_LEVEL_INFO_2,
865     NULL,                               -1,
866     &menu.main.text.level_info_2,       NULL,
867     NULL,                               NULL,
868   },
869   {
870     MAIN_CONTROL_LEVEL_NAME,
871     NULL,                               -1,
872     &menu.main.text.level_name,         &main_text_level_name,
873     NULL,                               NULL,
874   },
875   {
876     MAIN_CONTROL_LEVEL_AUTHOR,
877     NULL,                               -1,
878     &menu.main.text.level_author,       &main_text_level_author,
879     NULL,                               NULL,
880   },
881   {
882     MAIN_CONTROL_LEVEL_YEAR,
883     NULL,                               -1,
884     &menu.main.text.level_year,         &main_text_level_year,
885     NULL,                               NULL,
886   },
887   {
888     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
889     NULL,                               -1,
890     &menu.main.text.level_imported_from, &main_text_level_imported_from,
891     NULL,                               NULL,
892   },
893   {
894     MAIN_CONTROL_LEVEL_IMPORTED_BY,
895     NULL,                               -1,
896     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
897     NULL,                               NULL,
898   },
899   {
900     MAIN_CONTROL_LEVEL_TESTED_BY,
901     NULL,                               -1,
902     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
903     NULL,                               NULL,
904   },
905   {
906     MAIN_CONTROL_TITLE_1,
907     NULL,                               -1,
908     &menu.main.text.title_1,            &main_text_title_1,
909     NULL,                               NULL,
910   },
911   {
912     MAIN_CONTROL_TITLE_2,
913     NULL,                               -1,
914     &menu.main.text.title_2,            &main_text_title_2,
915     NULL,                               NULL,
916   },
917   {
918     MAIN_CONTROL_TITLE_3,
919     NULL,                               -1,
920     &menu.main.text.title_3,            &main_text_title_3,
921     NULL,                               NULL,
922   },
923
924   {
925     -1,
926     NULL,                               -1,
927     NULL,                               NULL,
928     NULL,                               NULL,
929   }
930 };
931
932
933 static int getTitleScreenGraphic(int nr, boolean initial)
934 {
935   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
936 }
937
938 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
939 {
940   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
941 }
942
943 #if 0
944 static int getTitleScreenGameMode(boolean initial)
945 {
946   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
947 }
948 #endif
949
950 static int getTitleMessageGameMode(boolean initial)
951 {
952   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
953 }
954
955 static int getTitleAnimMode(struct TitleControlInfo *tci)
956 {
957   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
958
959   return base + tci->local_nr;
960 }
961
962 #if 0
963 static int getTitleScreenBackground(boolean initial)
964 {
965   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
966 }
967 #endif
968
969 #if 0
970 static int getTitleMessageBackground(int nr, boolean initial)
971 {
972   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
973 }
974 #endif
975
976 static int getTitleBackground(int nr, boolean initial, boolean is_image)
977 {
978   int base = (is_image ?
979               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
980                          IMG_BACKGROUND_TITLESCREEN_1) :
981               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
982                          IMG_BACKGROUND_TITLEMESSAGE_1));
983   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
984                                   IMG_BACKGROUND_TITLE);
985   int graphic_local = base + nr;
986
987   if (graphic_info[graphic_local].bitmap != NULL)
988     return graphic_local;
989
990   if (graphic_info[graphic_global].bitmap != NULL)
991     return graphic_global;
992
993   return IMG_UNDEFINED;
994 }
995
996 static int getTitleSound(struct TitleControlInfo *tci)
997 {
998   boolean is_image = tci->is_image;
999   int initial = tci->initial;
1000   int nr = tci->local_nr;
1001   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1002   int base = (is_image ?
1003               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
1004                          SND_BACKGROUND_TITLESCREEN_1) :
1005               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1006                          SND_BACKGROUND_TITLEMESSAGE_1));
1007   int sound_global = menu.sound[mode];
1008   int sound_local = base + nr;
1009
1010 #if 0
1011   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
1012         nr, initial, is_image,
1013         sound_global, getSoundListEntry(sound_global)->filename,
1014         sound_local, getSoundListEntry(sound_local)->filename);
1015 #endif
1016
1017   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
1018     return sound_local;
1019
1020   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
1021     return sound_global;
1022
1023   return SND_UNDEFINED;
1024 }
1025
1026 static int getTitleMusic(struct TitleControlInfo *tci)
1027 {
1028   boolean is_image = tci->is_image;
1029   int initial = tci->initial;
1030   int nr = tci->local_nr;
1031   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
1032   int base = (is_image ?
1033               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
1034                          MUS_BACKGROUND_TITLESCREEN_1) :
1035               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
1036                          MUS_BACKGROUND_TITLEMESSAGE_1));
1037   int music_global = menu.music[mode];
1038   int music_local = base + nr;
1039
1040 #if 0
1041   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
1042         nr, initial, is_image,
1043         music_global, getMusicListEntry(music_global)->filename,
1044         music_local, getMusicListEntry(music_local)->filename);
1045 #endif
1046
1047   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
1048     return music_local;
1049
1050   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
1051     return music_global;
1052
1053   return MUS_UNDEFINED;
1054 }
1055
1056 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
1057 {
1058   boolean is_image = tci->is_image;
1059   boolean initial = tci->initial;
1060   boolean first = tci->first;
1061   int nr = tci->local_nr;
1062   struct TitleMessageInfo tmi;
1063   struct TitleFadingInfo ti;
1064
1065   tmi = (is_image ? (initial ? (first ?
1066                                 titlescreen_initial_first[nr] :
1067                                 titlescreen_initial[nr])
1068                              : (first ?
1069                                 titlescreen_first[nr] :
1070                                 titlescreen[nr]))
1071                   : (initial ? (first ?
1072                                 titlemessage_initial_first[nr] :
1073                                 titlemessage_initial[nr])
1074                              : (first ?
1075                                 titlemessage_first[nr] :
1076                                 titlemessage[nr])));
1077
1078   ti.fade_mode  = tmi.fade_mode;
1079   ti.fade_delay = tmi.fade_delay;
1080   ti.post_delay = tmi.post_delay;
1081   ti.auto_delay = tmi.auto_delay;
1082   ti.auto_delay_unit = tmi.auto_delay_unit;
1083
1084   return ti;
1085 }
1086
1087 static int compareTitleControlInfo(const void *object1, const void *object2)
1088 {
1089   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1090   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1091   int compare_result;
1092
1093   if (tci1->initial != tci2->initial)
1094     compare_result = (tci1->initial ? -1 : +1);
1095   else if (tci1->sort_priority != tci2->sort_priority)
1096     compare_result = tci1->sort_priority - tci2->sort_priority;
1097   else if (tci1->is_image != tci2->is_image)
1098     compare_result = (tci1->is_image ? -1 : +1);
1099   else
1100     compare_result = tci1->local_nr - tci2->local_nr;
1101
1102   return compare_result;
1103 }
1104
1105 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1106                                                     boolean initial,
1107                                                     int nr, int sort_priority)
1108 {
1109   title_controls[num_title_screens].is_image = is_image;
1110   title_controls[num_title_screens].initial = initial;
1111   title_controls[num_title_screens].local_nr = nr;
1112   title_controls[num_title_screens].sort_priority = sort_priority;
1113
1114   title_controls[num_title_screens].first = FALSE;      // will be set later
1115
1116   num_title_screens++;
1117 }
1118
1119 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1120 {
1121   int i;
1122
1123   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1124   {
1125     int graphic = getTitleScreenGraphic(i, initial);
1126     Bitmap *bitmap = graphic_info[graphic].bitmap;
1127     int sort_priority = graphic_info[graphic].sort_priority;
1128
1129     if (bitmap != NULL)
1130       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1131   }
1132
1133   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1134   {
1135     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1136     char *filename = getLevelSetTitleMessageFilename(i, initial);
1137     int sort_priority = tmi->sort_priority;
1138
1139     if (filename != NULL)
1140       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1141   }
1142 }
1143
1144 static void InitializeTitleControls(boolean show_title_initial)
1145 {
1146   num_title_screens = 0;
1147
1148   // 1st step: initialize title screens for game start (only when starting)
1149   if (show_title_initial)
1150     InitializeTitleControls_CheckTitleInfo(TRUE);
1151
1152   // 2nd step: initialize title screens for current level set
1153   InitializeTitleControls_CheckTitleInfo(FALSE);
1154
1155   // sort title screens according to sort_priority and title number
1156   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1157         compareTitleControlInfo);
1158
1159   // mark first title screen
1160   title_controls[0].first = TRUE;
1161 }
1162
1163 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1164 {
1165   return (pos != NULL && pos->x != -1 && pos->y != -1);
1166 }
1167
1168 static boolean visibleTextPos(struct TextPosInfo *pos)
1169 {
1170   return (pos != NULL && pos->x != -1 && pos->y != -1);
1171 }
1172
1173 static void InitializeMainControls(void)
1174 {
1175   boolean local_team_mode = (!network.enabled && setup.team_mode);
1176   int i;
1177
1178   // set main control text values to dynamically determined values
1179   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1180
1181   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1182                                          menu.main.text.first_level.size));
1183   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1184                                          menu.main.text.last_level.size));
1185   strcpy(main_text_level_number, int2str(level_nr,
1186                                          menu.main.text.level_number.size));
1187
1188   main_text_level_year          = leveldir_current->year;
1189   main_text_level_imported_from = leveldir_current->imported_from;
1190   main_text_level_imported_by   = leveldir_current->imported_by;
1191   main_text_level_tested_by     = leveldir_current->tested_by;
1192
1193   main_text_title_1 = getConfigProgramTitleString();
1194   main_text_title_2 = getConfigProgramCopyrightString();
1195   main_text_title_3 = getConfigProgramCompanyString();
1196
1197   // set main control screen positions to dynamically determined values
1198   for (i = 0; main_controls[i].nr != -1; i++)
1199   {
1200     struct MainControlInfo *mci = &main_controls[i];
1201     int nr                         = mci->nr;
1202     struct MenuPosInfo *pos_button = mci->pos_button;
1203     struct TextPosInfo *pos_text   = mci->pos_text;
1204     struct TextPosInfo *pos_input  = mci->pos_input;
1205     char *text                     = (mci->text  ? *mci->text  : NULL);
1206     char *input                    = (mci->input ? *mci->input : NULL);
1207     int button_graphic             = mci->button_graphic;
1208     int font_text                  = (pos_text  ? pos_text->font  : -1);
1209     int font_input                 = (pos_input ? pos_input->font : -1);
1210
1211     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1212     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1213     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1214     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1215     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1216     int input_chars = (input != NULL ? strlen(input) : 0);
1217
1218     int button_width =
1219       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1220     int button_height =
1221       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1222     int text_width   = font_text_width * text_chars;
1223     int text_height  = font_text_height;
1224     int input_width  = font_input_width * input_chars;
1225     int input_height = font_input_height;
1226
1227     if (nr == MAIN_CONTROL_NAME)
1228     {
1229       menu.main.input.name.width  = input_width;
1230       menu.main.input.name.height = input_height;
1231     }
1232
1233     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1234     {
1235       pos_button->width  = button_width;
1236       pos_button->height = button_height;
1237     }
1238
1239     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1240     {
1241       // calculate text size -- needed for text alignment
1242       boolean calculate_text_size = (text != NULL);
1243
1244       if (pos_text->width == -1 || calculate_text_size)
1245         pos_text->width = text_width;
1246       if (pos_text->height == -1 || calculate_text_size)
1247         pos_text->height = text_height;
1248
1249       if (visibleMenuPos(pos_button))
1250       {
1251         if (pos_text->x == -1)
1252           pos_text->x = pos_button->x + pos_button->width;
1253         if (pos_text->y == -1)
1254           pos_text->y =
1255             pos_button->y + (pos_button->height - pos_text->height) / 2;
1256       }
1257     }
1258
1259     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1260     {
1261       if (visibleTextPos(pos_text))
1262       {
1263         if (pos_input->x == -1)
1264           pos_input->x = pos_text->x + pos_text->width;
1265         if (pos_input->y == -1)
1266           pos_input->y = pos_text->y;
1267       }
1268
1269       if (pos_input->width == -1)
1270         pos_input->width = input_width;
1271       if (pos_input->height == -1)
1272         pos_input->height = input_height;
1273     }
1274   }
1275 }
1276
1277 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1278                                        int graphic, boolean pressed)
1279 {
1280   struct GraphicInfo *g = &graphic_info[graphic];
1281   Bitmap *src_bitmap;
1282   int src_x, src_y;
1283   int xoffset = (pressed ? g->pressed_xoffset : 0);
1284   int yoffset = (pressed ? g->pressed_yoffset : 0);
1285
1286   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1287
1288   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1289                    g->width, g->height, dst_x, dst_y);
1290 }
1291
1292 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1293                                        boolean active_input,
1294                                        boolean pressed_button)
1295 {
1296   int i;
1297
1298   for (i = 0; main_controls[i].nr != -1; i++)
1299   {
1300     struct MainControlInfo *mci = &main_controls[i];
1301
1302     if (mci->nr == nr || nr == -1)
1303     {
1304       struct MenuPosInfo *pos_button = mci->pos_button;
1305       struct TextPosInfo *pos_text   = mci->pos_text;
1306       struct TextPosInfo *pos_input  = mci->pos_input;
1307       char *text                     = (mci->text  ? *mci->text  : NULL);
1308       char *input                    = (mci->input ? *mci->input : NULL);
1309       int button_graphic             = mci->button_graphic;
1310       int font_text                  = (pos_text  ? pos_text->font  : -1);
1311       int font_input                 = (pos_input ? pos_input->font : -1);
1312
1313       if (active_text)
1314       {
1315         button_graphic = BUTTON_ACTIVE(button_graphic);
1316         font_text = FONT_ACTIVE(font_text);
1317       }
1318
1319       if (active_input)
1320       {
1321         font_input = FONT_ACTIVE(font_input);
1322       }
1323
1324       if (visibleMenuPos(pos_button))
1325       {
1326         struct MenuPosInfo *pos = pos_button;
1327         int x = mSX + pos->x;
1328         int y = mSY + pos->y;
1329
1330         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1331         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1332       }
1333
1334       if (visibleTextPos(pos_text) && text != NULL)
1335       {
1336         struct TextPosInfo *pos = pos_text;
1337         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1338         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1339
1340 #if 1
1341         // (check why/if this is needed)
1342         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1343 #endif
1344         DrawText(x, y, text, font_text);
1345       }
1346
1347       if (visibleTextPos(pos_input) && input != NULL)
1348       {
1349         struct TextPosInfo *pos = pos_input;
1350         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1351         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1352
1353 #if 1
1354         // (check why/if this is needed)
1355         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1356 #endif
1357         DrawText(x, y, input, font_input);
1358       }
1359     }
1360   }
1361 }
1362
1363 static void DrawCursorAndText_Main(int nr, boolean active_text,
1364                                    boolean pressed_button)
1365 {
1366   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1367 }
1368
1369 #if 0
1370 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1371                                          boolean pressed_button)
1372 {
1373   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1374 }
1375 #endif
1376
1377 static struct MainControlInfo *getMainControlInfo(int nr)
1378 {
1379   int i;
1380
1381   for (i = 0; main_controls[i].nr != -1; i++)
1382     if (main_controls[i].nr == nr)
1383       return &main_controls[i];
1384
1385   return NULL;
1386 }
1387
1388 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1389 {
1390   if (rect == NULL)
1391     return FALSE;
1392
1393   int rect_x = ALIGNED_TEXT_XPOS(rect);
1394   int rect_y = ALIGNED_TEXT_YPOS(rect);
1395
1396   return (x >= rect_x && x < rect_x + rect->width &&
1397           y >= rect_y && y < rect_y + rect->height);
1398 }
1399
1400 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1401 {
1402   if (rect == NULL)
1403     return FALSE;
1404
1405   int rect_x = ALIGNED_TEXT_XPOS(rect);
1406   int rect_y = ALIGNED_TEXT_YPOS(rect);
1407
1408 #if 0
1409   Debug("screens:insideTextPosRect",
1410         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1411         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1412         (x >= rect_x && x < rect_x + rect->width &&
1413          y >= rect_y && y < rect_y + rect->height));
1414 #endif
1415
1416   return (x >= rect_x && x < rect_x + rect->width &&
1417           y >= rect_y && y < rect_y + rect->height);
1418 }
1419
1420 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1421 {
1422   int rect_width  = preview->xsize * preview->tile_size;
1423   int rect_height = preview->ysize * preview->tile_size;
1424   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1425   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1426
1427   return (x >= rect_x && x < rect_x + rect_width &&
1428           y >= rect_y && y < rect_y + rect_height);
1429 }
1430
1431 static void AdjustScrollbar(int id, int items_max, int items_visible,
1432                             int item_position)
1433 {
1434   struct GadgetInfo *gi = screen_gadget[id];
1435
1436   if (item_position > items_max - items_visible)
1437     item_position = items_max - items_visible;
1438
1439   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1440                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1441                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1442 }
1443
1444 static void AdjustChooseTreeScrollbar(TreeInfo *ti, int id)
1445 {
1446   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1447                   ti->cl_first);
1448 }
1449
1450 static void clearMenuListArea(void)
1451 {
1452   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1453
1454   // correct scrollbar position if placed outside menu (playfield) area
1455   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1456     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1457
1458   // clear menu list area, but not title or scrollbar
1459   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1460                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1461
1462   // special compatibility handling for "Snake Bite" graphics set
1463   if (strPrefix(leveldir_current->identifier, "snake_bite"))
1464     ClearRectangle(drawto, mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1465                    scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1466 }
1467
1468 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1469 {
1470   static int cursor_array[MAX_LEV_FIELDY];
1471   int x = amSX + TILEX * xpos;
1472   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1473
1474   if (xpos == 0)
1475   {
1476     if (graphic != -1)
1477       cursor_array[ypos] = graphic;
1478     else
1479       graphic = cursor_array[ypos];
1480   }
1481
1482   if (active)
1483     graphic = BUTTON_ACTIVE(graphic);
1484
1485   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1486   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1487 }
1488
1489 static void initCursor(int ypos, int graphic)
1490 {
1491   drawCursorExt(0, ypos, FALSE, graphic);
1492 }
1493
1494 static void drawCursor(int ypos, boolean active)
1495 {
1496   drawCursorExt(0, ypos, active, -1);
1497 }
1498
1499 static void drawCursorXY(int xpos, int ypos, int graphic)
1500 {
1501   drawCursorExt(xpos, ypos, FALSE, graphic);
1502 }
1503
1504 static void drawChooseTreeCursor(int ypos, boolean active)
1505 {
1506   drawCursorExt(0, ypos, active, -1);
1507 }
1508
1509 static int getChooseTreeEditFont(boolean active)
1510 {
1511   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1512 }
1513
1514 static int getChooseTreeEditXPos(int pos)
1515 {
1516   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1517   int xoffset = (has_scrollbar ? -1 : 0);
1518   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1519   int sx = amSX + xpos * TILEX;
1520   int font_nr = getChooseTreeEditFont(FALSE);
1521   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1522
1523   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1524 }
1525
1526 static int getChooseTreeEditYPos(int ypos_raw)
1527 {
1528   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1529   int sy = amSY + ypos * TILEY;
1530
1531   return sy;
1532 }
1533
1534 static int getChooseTreeEditXPosReal(int pos)
1535 {
1536   int xpos = getChooseTreeEditXPos(pos);
1537   int font_nr = getChooseTreeEditFont(FALSE);
1538   int font_xoffset = getFontDrawOffsetX(font_nr);
1539
1540   return xpos + font_xoffset;
1541 }
1542
1543 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1544 {
1545   int sx = getChooseTreeEditXPos(POS_LEFT);
1546   int sy = getChooseTreeEditYPos(ypos_raw);
1547   int font_nr = getChooseTreeEditFont(active);
1548
1549   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1550 }
1551
1552 static void DrawHeadline(void)
1553 {
1554   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1555   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1556 }
1557
1558 static void DrawTitleScreenImage(int nr, boolean initial)
1559 {
1560   int graphic = getTitleScreenGraphic(nr, initial);
1561   Bitmap *bitmap = graphic_info[graphic].bitmap;
1562   int width  = graphic_info[graphic].width;
1563   int height = graphic_info[graphic].height;
1564   int src_x = graphic_info[graphic].src_x;
1565   int src_y = graphic_info[graphic].src_y;
1566   int dst_x, dst_y;
1567
1568   if (bitmap == NULL)
1569     return;
1570
1571   if (width > WIN_XSIZE)
1572   {
1573     // image width too large for window => center image horizontally
1574     src_x = (width - WIN_XSIZE) / 2;
1575     width = WIN_XSIZE;
1576   }
1577
1578   if (height > WIN_YSIZE)
1579   {
1580     // image height too large for window => center image vertically
1581     src_y = (height - WIN_YSIZE) / 2;
1582     height = WIN_YSIZE;
1583   }
1584
1585   // always display title screens centered
1586   dst_x = (WIN_XSIZE - width) / 2;
1587   dst_y = (WIN_YSIZE - height) / 2;
1588
1589   SetDrawBackgroundMask(REDRAW_ALL);
1590   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1591
1592   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1593
1594   if (DrawingOnBackground(dst_x, dst_y))
1595     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1596   else
1597     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1598
1599   redraw_mask = REDRAW_ALL;
1600 }
1601
1602 static void DrawTitleScreenMessage(int nr, boolean initial)
1603 {
1604   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1605   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1606
1607   if (filename == NULL)
1608     return;
1609
1610   // force TITLE font on title message screen
1611   SetFontStatus(getTitleMessageGameMode(initial));
1612
1613   // if chars *and* width set to "-1", automatically determine width
1614   if (tmi->chars == -1 && tmi->width == -1)
1615     tmi->width = viewport.window[game_status].width;
1616
1617   // if lines *and* height set to "-1", automatically determine height
1618   if (tmi->lines == -1 && tmi->height == -1)
1619     tmi->height = viewport.window[game_status].height;
1620
1621   // if chars set to "-1", automatically determine by text and font width
1622   if (tmi->chars == -1)
1623     tmi->chars = tmi->width / getFontWidth(tmi->font);
1624   else
1625     tmi->width = tmi->chars * getFontWidth(tmi->font);
1626
1627   // if lines set to "-1", automatically determine by text and font height
1628   if (tmi->lines == -1)
1629     tmi->lines = tmi->height / getFontHeight(tmi->font);
1630   else
1631     tmi->height = tmi->lines * getFontHeight(tmi->font);
1632
1633   // if x set to "-1", automatically determine by width and alignment
1634   if (tmi->x == -1)
1635     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1636
1637   // if y set to "-1", automatically determine by height and alignment
1638   if (tmi->y == -1)
1639     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1640
1641   SetDrawBackgroundMask(REDRAW_ALL);
1642   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1643
1644   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1645
1646   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1647                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1648                tmi->autowrap, tmi->centered, tmi->parse_comments);
1649
1650   ResetFontStatus();
1651 }
1652
1653 static void DrawTitleScreen(void)
1654 {
1655   KeyboardAutoRepeatOff();
1656
1657   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1658 }
1659
1660 static boolean CheckTitleScreen(boolean levelset_has_changed)
1661 {
1662   static boolean show_title_initial = TRUE;
1663   boolean show_titlescreen = FALSE;
1664
1665   // needed to be able to skip title screen, if no image or message defined
1666   InitializeTitleControls(show_title_initial);
1667
1668   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1669     show_titlescreen = TRUE;
1670
1671   // show initial title images and messages only once at program start
1672   show_title_initial = FALSE;
1673
1674   return (show_titlescreen && num_title_screens > 0);
1675 }
1676
1677 void DrawMainMenu(void)
1678 {
1679   static LevelDirTree *leveldir_last_valid = NULL;
1680   boolean levelset_has_changed = FALSE;
1681   int fade_mask = REDRAW_FIELD;
1682
1683   LimitScreenUpdates(FALSE);
1684
1685   FadeSetLeaveScreen();
1686
1687   // do not fade out here -- function may continue and fade on editor screen
1688
1689   UnmapAllGadgets();
1690   FadeMenuSoundsAndMusic();
1691
1692   ExpireSoundLoops(FALSE);
1693
1694   KeyboardAutoRepeatOn();
1695
1696   audio.sound_deactivated = FALSE;
1697
1698   GetPlayerConfig();
1699
1700   // needed if last screen was the playing screen, invoked from level editor
1701   if (level_editor_test_game)
1702   {
1703     CloseDoor(DOOR_CLOSE_ALL);
1704
1705     SetGameStatus(GAME_MODE_EDITOR);
1706
1707     DrawLevelEd();
1708
1709     return;
1710   }
1711
1712   // needed if last screen was the playing screen, invoked from hall of fame
1713   if (score_info_tape_play)
1714   {
1715     CloseDoor(DOOR_CLOSE_ALL);
1716
1717     SetGameStatus(GAME_MODE_SCOREINFO);
1718
1719     DrawScoreInfo(scores.last_entry_nr);
1720
1721     return;
1722   }
1723
1724   // reset flag to continue playing next level from hall of fame
1725   scores.continue_playing = FALSE;
1726
1727   // leveldir_current may be invalid (level group, parent link, node copy)
1728   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1729
1730   if (leveldir_current != leveldir_last_valid)
1731   {
1732     UpdateLastPlayedLevels_TreeInfo();
1733
1734     levelset_has_changed = TRUE;
1735   }
1736
1737   // store valid level series information
1738   leveldir_last_valid = leveldir_current;
1739
1740   // needed if last screen (level choice) changed graphics, sounds or music
1741   ReloadCustomArtwork(0);
1742
1743   if (CheckTitleScreen(levelset_has_changed))
1744   {
1745     SetGameStatus(GAME_MODE_TITLE);
1746
1747     DrawTitleScreen();
1748
1749     return;
1750   }
1751
1752   if (redraw_mask & REDRAW_ALL)
1753     fade_mask = REDRAW_ALL;
1754
1755   if (CheckFadeAll())
1756     fade_mask = REDRAW_ALL;
1757
1758   FadeOut(fade_mask);
1759
1760   // needed if different viewport properties defined for menues
1761   ChangeViewportPropertiesIfNeeded();
1762
1763   SetDrawtoField(DRAW_TO_BACKBUFFER);
1764
1765   // level_nr may have been set to value over handicap with level editor
1766   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1767     level_nr = leveldir_current->handicap_level;
1768
1769   LoadLevel(level_nr);
1770   LoadScore(level_nr);
1771
1772   SaveLevelSetup_SeriesInfo();
1773
1774   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1775   SetDrawDeactivationMask(REDRAW_NONE);
1776   SetDrawBackgroundMask(REDRAW_FIELD);
1777
1778   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1779
1780 #if 0
1781   if (fade_mask == REDRAW_ALL)
1782     RedrawGlobalBorder();
1783 #endif
1784
1785   ClearField();
1786
1787   InitializeMainControls();
1788
1789   DrawCursorAndText_Main(-1, FALSE, FALSE);
1790   DrawPreviewLevelInitial();
1791   DrawNetworkPlayers();
1792
1793   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1794
1795   TapeStop();
1796   if (TAPE_IS_EMPTY(tape))
1797     LoadTape(level_nr);
1798   DrawCompleteVideoDisplay();
1799
1800   PlayMenuSoundsAndMusic();
1801
1802   // create gadgets for main menu screen
1803   FreeScreenGadgets();
1804   CreateScreenGadgets();
1805
1806   // may be required if audio buttons shown on tape and changed in setup menu
1807   FreeGameButtons();
1808   CreateGameButtons();
1809
1810   // map gadgets for main menu screen
1811   MapTapeButtons();
1812   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1813   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1814
1815   // copy actual game door content to door double buffer for OpenDoor()
1816   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1817   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1818
1819   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1820
1821   DrawMaskedBorder(fade_mask);
1822
1823   FadeIn(fade_mask);
1824   FadeSetEnterMenu();
1825
1826   // update screen area with special editor door
1827   redraw_mask |= REDRAW_ALL;
1828   BackToFront();
1829
1830   SetMouseCursor(CURSOR_DEFAULT);
1831
1832   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1833
1834   SyncEmscriptenFilesystem();
1835
1836   // needed once after program start or after user change
1837   CheckApiServerTasks();
1838 }
1839
1840 static void gotoTopLevelDir(void)
1841 {
1842   // move upwards until inside (but not above) top level directory
1843   while (leveldir_current->node_parent &&
1844          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1845   {
1846     // write a "path" into level tree for easy navigation to last level
1847     if (leveldir_current->node_parent->node_group->cl_first == -1)
1848     {
1849       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1850       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1851       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1852       int cl_first, cl_cursor;
1853
1854       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1855       cl_cursor = leveldir_pos - cl_first;
1856
1857       leveldir_current->node_parent->node_group->cl_first = cl_first;
1858       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1859     }
1860
1861     leveldir_current = leveldir_current->node_parent;
1862   }
1863 }
1864
1865 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1866 {
1867   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1868
1869   return (use_frame_counter ? video.frame_counter : Counter());
1870 }
1871
1872 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1873                                      struct TitleFadingInfo *fi)
1874 {
1875   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1876 }
1877
1878 static void ResetTitleAutoDelay(unsigned int *counter_var,
1879                                 struct TitleFadingInfo *fi)
1880 {
1881   *counter_var = getAutoDelayCounter(fi);
1882 }
1883
1884 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1885 {
1886   static unsigned int title_delay = 0;
1887   static int title_screen_nr = 0;
1888   static int last_sound = -1, last_music = -1;
1889   boolean return_to_main_menu = FALSE;
1890   struct TitleControlInfo *tci;
1891   int sound, music;
1892
1893   if (button == MB_MENU_INITIALIZE)
1894   {
1895     title_delay = 0;
1896     title_screen_nr = 0;
1897     tci = &title_controls[title_screen_nr];
1898
1899     SetAnimStatus(getTitleAnimMode(tci));
1900
1901     last_sound = SND_UNDEFINED;
1902     last_music = MUS_UNDEFINED;
1903
1904     if (num_title_screens != 0)
1905     {
1906       FadeSetEnterScreen();
1907
1908       // use individual title fading instead of global "enter screen" fading
1909       fading = getTitleFading(tci);
1910     }
1911
1912     if (game_status_last_screen == GAME_MODE_INFO)
1913     {
1914       if (num_title_screens == 0)
1915       {
1916         // switch game mode from title screen mode back to info screen mode
1917         SetGameStatus(GAME_MODE_INFO);
1918
1919         // store that last screen was info screen, not main menu screen
1920         game_status_last_screen = GAME_MODE_INFO;
1921
1922         DrawInfoScreen_NotAvailable("Title screen information:",
1923                                     "No title screen for this level set.");
1924         return;
1925       }
1926     }
1927
1928     FadeMenuSoundsAndMusic();
1929
1930     FadeOut(REDRAW_ALL);
1931
1932     // title screens may have different window size
1933     ChangeViewportPropertiesIfNeeded();
1934
1935     // only required to update logic for redrawing global border
1936     ClearField();
1937
1938     if (tci->is_image)
1939       DrawTitleScreenImage(tci->local_nr, tci->initial);
1940     else
1941       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1942
1943     sound = getTitleSound(tci);
1944     music = getTitleMusic(tci);
1945
1946     if (sound != last_sound)
1947       PlayMenuSoundExt(sound);
1948     if (music != last_music)
1949       PlayMenuMusicExt(music);
1950
1951     last_sound = sound;
1952     last_music = music;
1953
1954     SetMouseCursor(CURSOR_NONE);
1955
1956     FadeIn(REDRAW_ALL);
1957
1958     ResetTitleAutoDelay(&title_delay, &fading);
1959
1960     return;
1961   }
1962
1963   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1964     button = MB_MENU_CHOICE;
1965
1966   if (button == MB_MENU_LEAVE)
1967   {
1968     return_to_main_menu = TRUE;
1969   }
1970   else if (button == MB_MENU_CHOICE || dx)
1971   {
1972     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1973     {
1974       SetGameStatus(GAME_MODE_INFO);
1975
1976       info_mode = INFO_MODE_MAIN;
1977
1978       DrawInfoScreen();
1979
1980       return;
1981     }
1982
1983     title_screen_nr +=
1984       (game_status_last_screen == GAME_MODE_INFO && dx < 0 ? -1 : +1);
1985
1986     if (title_screen_nr >= 0 && title_screen_nr < num_title_screens)
1987     {
1988       tci = &title_controls[title_screen_nr];
1989
1990       SetAnimStatus(getTitleAnimMode(tci));
1991
1992       sound = getTitleSound(tci);
1993       music = getTitleMusic(tci);
1994
1995       if (last_sound != SND_UNDEFINED && sound != last_sound)
1996         FadeSound(last_sound);
1997       if (last_music != MUS_UNDEFINED && music != last_music)
1998         FadeMusic();
1999
2000       fading = getTitleFading(tci);
2001
2002       FadeOut(REDRAW_ALL);
2003
2004       if (tci->is_image)
2005         DrawTitleScreenImage(tci->local_nr, tci->initial);
2006       else
2007         DrawTitleScreenMessage(tci->local_nr, tci->initial);
2008
2009       sound = getTitleSound(tci);
2010       music = getTitleMusic(tci);
2011
2012       if (sound != last_sound)
2013         PlayMenuSoundExt(sound);
2014       if (music != last_music)
2015         PlayMenuMusicExt(music);
2016
2017       last_sound = sound;
2018       last_music = music;
2019
2020       FadeIn(REDRAW_ALL);
2021
2022       ResetTitleAutoDelay(&title_delay, &fading);
2023     }
2024     else
2025     {
2026       FadeMenuSoundsAndMusic();
2027
2028       return_to_main_menu = TRUE;
2029     }
2030   }
2031
2032   if (return_to_main_menu)
2033   {
2034     SetMouseCursor(CURSOR_DEFAULT);
2035
2036     // force full menu screen redraw after displaying title screens
2037     redraw_mask = REDRAW_ALL;
2038
2039     if (game_status_last_screen == GAME_MODE_INFO)
2040     {
2041       SetGameStatus(GAME_MODE_INFO);
2042
2043       info_mode = INFO_MODE_MAIN;
2044
2045       DrawInfoScreen();
2046     }
2047     else        // default: return to main menu
2048     {
2049       SetGameStatus(GAME_MODE_MAIN);
2050
2051       DrawMainMenu();
2052     }
2053   }
2054 }
2055
2056 static void HandleMainMenu_ToggleTeamMode(void)
2057 {
2058   setup.team_mode = !setup.team_mode;
2059
2060   InitializeMainControls();
2061   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
2062
2063   DrawPreviewPlayers();
2064 }
2065
2066 static void HandleMainMenu_SelectLevel(int step, int direction,
2067                                        int selected_level_nr)
2068 {
2069   int old_level_nr = level_nr;
2070   int new_level_nr;
2071
2072   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
2073     new_level_nr = selected_level_nr;
2074   else
2075     new_level_nr = old_level_nr + step * direction;
2076
2077   if (new_level_nr < leveldir_current->first_level)
2078     new_level_nr = leveldir_current->first_level;
2079   if (new_level_nr > leveldir_current->last_level)
2080     new_level_nr = leveldir_current->last_level;
2081
2082   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
2083   {
2084     // skipping levels is only allowed when trying to skip single level
2085     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
2086         Request("Level still unsolved! Skip it anyway?", REQ_ASK))
2087     {
2088       leveldir_current->handicap_level++;
2089       SaveLevelSetup_SeriesInfo();
2090     }
2091
2092     new_level_nr = leveldir_current->handicap_level;
2093   }
2094
2095   if (new_level_nr != old_level_nr)
2096   {
2097     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2098
2099     PlaySound(SND_MENU_ITEM_SELECTING);
2100
2101     level_nr = new_level_nr;
2102
2103     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2104              int2str(level_nr, menu.main.text.level_number.size),
2105              mci->pos_text->font);
2106
2107     LoadLevel(level_nr);
2108     DrawPreviewLevelInitial();
2109
2110     TapeErase();
2111     LoadTape(level_nr);
2112     DrawCompleteVideoDisplay();
2113
2114     SaveLevelSetup_SeriesInfo();
2115
2116     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2117
2118     // force redraw of playfield area (may be reset at this point)
2119     redraw_mask |= REDRAW_FIELD;
2120   }
2121 }
2122
2123 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2124 {
2125   static int choice = MAIN_CONTROL_GAME;
2126   static boolean button_pressed_last = FALSE;
2127   boolean button_pressed = FALSE;
2128   int pos = choice;
2129   int i = 0;    // needed to prevent compiler warning due to bad code below
2130
2131   if (button == MB_MENU_INITIALIZE)
2132   {
2133     DrawCursorAndText_Main(choice, TRUE, FALSE);
2134
2135     return;
2136   }
2137
2138   if (mx || my)         // mouse input
2139   {
2140     pos = -1;
2141
2142     for (i = 0; main_controls[i].nr != -1; i++)
2143     {
2144       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2145           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2146           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2147       {
2148         pos = main_controls[i].nr;
2149
2150         break;
2151       }
2152     }
2153
2154     // check if level preview was clicked
2155     if (insidePreviewRect(&preview, mx - SX, my - SY))
2156       pos = MAIN_CONTROL_GAME;
2157
2158     // handle pressed/unpressed state for active/inactive menu buttons
2159     // (if pos != -1, "i" contains index position corresponding to "pos")
2160     if (button &&
2161         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2162         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2163       button_pressed = TRUE;
2164
2165     if (button_pressed != button_pressed_last)
2166     {
2167       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2168
2169       if (button_pressed)
2170         PlaySound(SND_MENU_BUTTON_PRESSING);
2171       else
2172         PlaySound(SND_MENU_BUTTON_RELEASING);
2173     }
2174   }
2175   else if (dx || dy)    // keyboard input
2176   {
2177     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2178                    choice == MAIN_CONTROL_SETUP))
2179       button = MB_MENU_CHOICE;
2180     else if (dy)
2181       pos = choice + dy;
2182   }
2183
2184   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2185   {
2186     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2187   }
2188   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2189   {
2190     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2191   }
2192   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2193   {
2194     CloseDoor(DOOR_CLOSE_2);
2195
2196     SetGameStatus(GAME_MODE_LEVELNR);
2197
2198     DrawChooseLevelNr();
2199   }
2200   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2201   {
2202     if (button)
2203     {
2204       if (pos != choice)
2205       {
2206         PlaySound(SND_MENU_ITEM_ACTIVATING);
2207
2208         DrawCursorAndText_Main(choice, FALSE, FALSE);
2209         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2210
2211         choice = pos;
2212       }
2213       else if (dx != 0)
2214       {
2215         if (choice == MAIN_CONTROL_NAME)
2216         {
2217           // special case: cursor left or right pressed -- toggle team mode
2218           HandleMainMenu_ToggleTeamMode();
2219         }
2220         else if (choice != MAIN_CONTROL_INFO &&
2221                  choice != MAIN_CONTROL_SETUP)
2222         {
2223           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2224         }
2225       }
2226     }
2227     else
2228     {
2229       PlaySound(SND_MENU_ITEM_SELECTING);
2230
2231       if (pos == MAIN_CONTROL_NAME)
2232       {
2233         if ((mx || my) &&
2234             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2235         {
2236           // special case: menu text "name/team" clicked -- toggle team mode
2237           HandleMainMenu_ToggleTeamMode();
2238         }
2239         else
2240         {
2241           if (setup.multiple_users)
2242           {
2243             CloseDoor(DOOR_CLOSE_2);
2244
2245             SetGameStatus(GAME_MODE_NAMES);
2246
2247             DrawChoosePlayerName();
2248           }
2249           else
2250           {
2251             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2252
2253             DrawTypeName();
2254           }
2255         }
2256       }
2257       else if (pos == MAIN_CONTROL_LEVELS)
2258       {
2259         if (leveldir_first)
2260         {
2261           CloseDoor(DOOR_CLOSE_2);
2262
2263           SetGameStatus(GAME_MODE_LEVELS);
2264
2265           SaveLevelSetup_LastSeries();
2266           SaveLevelSetup_SeriesInfo();
2267
2268           // restore level set if chosen from "last played level set" menu
2269           RestoreLastPlayedLevels(&leveldir_current);
2270
2271           if (setup.internal.choose_from_top_leveldir)
2272             gotoTopLevelDir();
2273
2274           DrawChooseLevelSet();
2275         }
2276       }
2277       else if (pos == MAIN_CONTROL_SCORES)
2278       {
2279         CloseDoor(DOOR_CLOSE_2);
2280
2281         SetGameStatus(GAME_MODE_SCORES);
2282
2283         DrawHallOfFame(level_nr);
2284       }
2285       else if (pos == MAIN_CONTROL_EDITOR)
2286       {
2287         if (leveldir_current->readonly &&
2288             setup.editor.show_read_only_warning)
2289           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2290
2291         CloseDoor(DOOR_CLOSE_ALL);
2292
2293         SetGameStatus(GAME_MODE_EDITOR);
2294
2295         FadeSetEnterScreen();
2296
2297         DrawLevelEd();
2298       }
2299       else if (pos == MAIN_CONTROL_INFO)
2300       {
2301         CloseDoor(DOOR_CLOSE_2);
2302
2303         SetGameStatus(GAME_MODE_INFO);
2304
2305         info_mode = INFO_MODE_MAIN;
2306
2307         DrawInfoScreen();
2308       }
2309       else if (pos == MAIN_CONTROL_GAME)
2310       {
2311         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2312       }
2313       else if (pos == MAIN_CONTROL_SETUP)
2314       {
2315         CloseDoor(DOOR_CLOSE_2);
2316
2317         SetGameStatus(GAME_MODE_SETUP);
2318
2319         setup_mode = SETUP_MODE_MAIN;
2320
2321         DrawSetupScreen();
2322       }
2323       else if (pos == MAIN_CONTROL_QUIT)
2324       {
2325         SaveLevelSetup_LastSeries();
2326         SaveLevelSetup_SeriesInfo();
2327
2328 #if defined(PLATFORM_EMSCRIPTEN)
2329         Request("Close the browser window to quit!", REQ_CONFIRM);
2330 #else
2331         if (!setup.ask_on_quit_program ||
2332             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2333           SetGameStatus(GAME_MODE_QUIT);
2334 #endif
2335       }
2336     }
2337   }
2338
2339   button_pressed_last = button_pressed;
2340 }
2341
2342
2343 // ============================================================================
2344 // info screen functions
2345 // ============================================================================
2346
2347 static struct TokenInfo *info_info;
2348 static int num_info_info;       // number of info entries shown on screen
2349 static int max_info_info;       // total number of info entries in list
2350
2351 static void execInfoTitleScreen(void)
2352 {
2353   info_mode = INFO_MODE_TITLE;
2354
2355   DrawInfoScreen();
2356 }
2357
2358 static void execInfoElements(void)
2359 {
2360   info_mode = INFO_MODE_ELEMENTS;
2361
2362   DrawInfoScreen();
2363 }
2364
2365 static void execInfoMusic(void)
2366 {
2367   info_mode = INFO_MODE_MUSIC;
2368
2369   DrawInfoScreen();
2370 }
2371
2372 static void execInfoCredits(void)
2373 {
2374   info_mode = INFO_MODE_CREDITS;
2375
2376   DrawInfoScreen();
2377 }
2378
2379 static void execInfoProgram(void)
2380 {
2381   info_mode = INFO_MODE_PROGRAM;
2382
2383   DrawInfoScreen();
2384 }
2385
2386 static void execInfoVersion(void)
2387 {
2388   info_mode = INFO_MODE_VERSION;
2389
2390   DrawInfoScreen();
2391 }
2392
2393 static void execInfoLevelSet(void)
2394 {
2395   info_mode = INFO_MODE_LEVELSET;
2396
2397   DrawInfoScreen();
2398 }
2399
2400 static void execExitInfo(void)
2401 {
2402   SetGameStatus(GAME_MODE_MAIN);
2403
2404   DrawMainMenu();
2405 }
2406
2407 static struct TokenInfo info_info_main[] =
2408 {
2409   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2410   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2411   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2412   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2413   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2414   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2415   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2416   { TYPE_EMPTY,         NULL,                   ""                      },
2417   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2418
2419   { 0,                  NULL,                   NULL                    }
2420 };
2421
2422 static int getMenuTextFont(int type)
2423 {
2424   if (type & (TYPE_SWITCH       |
2425               TYPE_YES_NO       |
2426               TYPE_YES_NO_AUTO  |
2427               TYPE_STRING       |
2428               TYPE_PLAYER       |
2429               TYPE_ECS_AGA      |
2430               TYPE_KEYTEXT      |
2431               TYPE_ENTER_LIST   |
2432               TYPE_TEXT_INPUT))
2433     return FONT_MENU_2;
2434   else
2435     return FONT_MENU_1;
2436 }
2437
2438 static struct TokenInfo *setup_info;
2439 static struct TokenInfo setup_info_input[];
2440
2441 static struct TokenInfo *menu_info;
2442
2443 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2444                                        int screen_pos, int menu_info_pos_raw,
2445                                        boolean active)
2446 {
2447   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2448   struct TokenInfo *ti = &token_info[pos];
2449   int xpos = MENU_SCREEN_START_XPOS;
2450   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2451   int font_nr = getMenuTextFont(ti->type);
2452
2453   if (setup_mode == SETUP_MODE_INPUT)
2454     font_nr = FONT_MENU_1;
2455
2456   if (active)
2457     font_nr = FONT_ACTIVE(font_nr);
2458
2459   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2460
2461   if (ti->type & ~TYPE_SKIP_ENTRY)
2462     drawCursor(screen_pos, active);
2463 }
2464
2465 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2466                                    boolean active)
2467 {
2468   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2469 }
2470
2471 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2472                                     boolean active)
2473 {
2474   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2475 }
2476
2477 static char *window_size_text;
2478 static char *scaling_type_text;
2479 static char *network_server_text;
2480
2481 static void drawSetupValue(int, int);
2482
2483 static void drawMenuInfoList(int first_entry, int num_page_entries,
2484                              int max_page_entries)
2485 {
2486   int i;
2487
2488   if (first_entry + num_page_entries > max_page_entries)
2489     first_entry = 0;
2490
2491   clearMenuListArea();
2492
2493   for (i = 0; i < num_page_entries; i++)
2494   {
2495     int menu_info_pos = first_entry + i;
2496     struct TokenInfo *si = &menu_info[menu_info_pos];
2497     void *value_ptr = si->value;
2498
2499     // set some entries to "unchangeable" according to other variables
2500     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2501         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2502         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2503         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2504         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2505         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2506       si->type |= TYPE_GHOSTED;
2507
2508     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2509       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2510     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2511       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2512     else if (si->type & ~TYPE_SKIP_ENTRY)
2513       initCursor(i, IMG_MENU_BUTTON);
2514
2515     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2516
2517     if (si->type & TYPE_STRING)
2518     {
2519       int gadget_id = -1;
2520
2521       if (value_ptr == &network_server_text)
2522         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2523
2524       if (gadget_id != -1)
2525       {
2526         struct GadgetInfo *gi = screen_gadget[gadget_id];
2527         int xpos = MENU_SCREEN_START_XPOS;
2528         int ypos = MENU_SCREEN_START_YPOS + i;
2529         int x = mSX + xpos * 32;
2530         int y = mSY + ypos * 32;
2531
2532         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2533       }
2534     }
2535
2536     if (si->type & TYPE_VALUE &&
2537         menu_info == setup_info)
2538       drawSetupValue(i, menu_info_pos);
2539   }
2540 }
2541
2542 static void DrawInfoScreen_Main(void)
2543 {
2544   int fade_mask = REDRAW_FIELD;
2545   int i;
2546
2547   if (redraw_mask & REDRAW_ALL)
2548     fade_mask = REDRAW_ALL;
2549
2550   if (CheckFadeAll())
2551     fade_mask = REDRAW_ALL;
2552
2553   UnmapAllGadgets();
2554   FadeMenuSoundsAndMusic();
2555
2556   FreeScreenGadgets();
2557   CreateScreenGadgets();
2558
2559   // (needed after displaying title screens which disable auto repeat)
2560   KeyboardAutoRepeatOn();
2561
2562   FadeSetLeaveScreen();
2563
2564   FadeOut(fade_mask);
2565
2566   // needed if different viewport properties defined for info screen
2567   ChangeViewportPropertiesIfNeeded();
2568
2569   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2570
2571   ClearField();
2572
2573   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2574
2575   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2576
2577   info_info = info_info_main;
2578
2579   // use modified info screen info without info screen entries marked as hidden
2580   info_info = getSetupInfoFinal(info_info);
2581
2582   // determine maximal number of info entries that can be displayed on screen
2583   num_info_info = 0;
2584   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2585     num_info_info++;
2586
2587   // determine maximal number of info entries available for menu of info screen
2588   max_info_info = 0;
2589   for (i = 0; info_info[i].type != 0; i++)
2590     max_info_info++;
2591
2592   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2593
2594   MapScreenGadgets(max_info_info);
2595
2596   PlayMenuSoundsAndMusic();
2597
2598   DrawMaskedBorder(fade_mask);
2599
2600   FadeIn(fade_mask);
2601 }
2602
2603 static void changeSetupValue(int, int, int);
2604
2605 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2606                              int mode, int num_page_entries,
2607                              int max_page_entries)
2608 {
2609   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2610   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2611   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2612   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2613   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2614   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2615   int *num_page_entries_last = num_page_entries_all_last[game_status];
2616   int *choice_store = choice_stores[game_status];
2617   int *first_entry_store = first_entry_stores[game_status];
2618   int choice = choice_store[mode];              // starts with 0
2619   int first_entry = first_entry_store[mode];    // starts with 0
2620   int x = 0;
2621   int y = choice - first_entry;
2622   int y_old = y;
2623   boolean position_set_by_scrollbar = (dx == 999);
2624   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2625   int i;
2626
2627   if (button == MB_MENU_INITIALIZE)
2628   {
2629     // check if number of menu page entries has changed (may happen by change
2630     // of custom artwork definition value for 'list_size' for this menu screen)
2631     // (in this case, the last menu position most probably has to be corrected)
2632     if (num_page_entries != num_page_entries_last[mode])
2633     {
2634       choice_store[mode] = first_entry_store[mode] = 0;
2635
2636       choice = first_entry = 0;
2637       y = y_old = 0;
2638
2639       num_page_entries_last[mode] = num_page_entries;
2640     }
2641
2642     // advance to first valid menu entry
2643     while (choice < num_page_entries &&
2644            menu_info[choice].type & TYPE_SKIP_ENTRY)
2645       choice++;
2646
2647     if (position_set_by_scrollbar)
2648       first_entry = first_entry_store[mode] = dy;
2649     else
2650       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2651                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2652
2653     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2654
2655     if (choice < first_entry)
2656     {
2657       choice = first_entry;
2658
2659       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2660         choice++;
2661     }
2662     else if (choice > first_entry + num_page_entries - 1)
2663     {
2664       choice = first_entry + num_page_entries - 1;
2665
2666       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2667         choice--;
2668     }
2669
2670     choice_store[mode] = choice;
2671
2672     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2673
2674     return;
2675   }
2676   else if (button == MB_MENU_LEAVE)
2677   {
2678     PlaySound(SND_MENU_ITEM_SELECTING);
2679
2680     for (i = 0; i < max_page_entries; i++)
2681     {
2682       if (menu_info[i].type & TYPE_LEAVE_MENU)
2683       {
2684         void (*menu_callback_function)(void) = menu_info[i].value;
2685
2686         FadeSetLeaveMenu();
2687
2688         menu_callback_function();
2689
2690         break;  // absolutely needed because function changes 'menu_info'!
2691       }
2692     }
2693
2694     return;
2695   }
2696
2697   if (mx || my)         // mouse input
2698   {
2699     x = (mx - mSX) / 32;
2700     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2701   }
2702   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2703   {
2704     // move cursor instead of scrolling when already at start/end of list
2705     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2706       dy = -1;
2707     else if (dy == +1 * SCROLL_LINE &&
2708              first_entry + num_page_entries == max_page_entries)
2709       dy = 1;
2710
2711     // handle scrolling screen one line or page
2712     if (y + dy < 0 ||
2713         y + dy > num_page_entries - 1)
2714     {
2715       boolean redraw = FALSE;
2716
2717       if (ABS(dy) == SCROLL_PAGE)
2718         step = num_page_entries - 1;
2719
2720       if (dy < 0 && first_entry > 0)
2721       {
2722         // scroll page/line up
2723
2724         first_entry -= step;
2725         if (first_entry < 0)
2726           first_entry = 0;
2727
2728         redraw = TRUE;
2729       }
2730       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2731       {
2732         // scroll page/line down
2733
2734         first_entry += step;
2735         if (first_entry + num_page_entries > max_page_entries)
2736           first_entry = MAX(0, max_page_entries - num_page_entries);
2737
2738         redraw = TRUE;
2739       }
2740
2741       if (redraw)
2742       {
2743         choice += first_entry - first_entry_store[mode];
2744
2745         if (choice < first_entry)
2746         {
2747           choice = first_entry;
2748
2749           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2750             choice++;
2751         }
2752         else if (choice > first_entry + num_page_entries - 1)
2753         {
2754           choice = first_entry + num_page_entries - 1;
2755
2756           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2757             choice--;
2758         }
2759         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2760         {
2761           choice += SIGN(dy);
2762
2763           if (choice < first_entry ||
2764               choice > first_entry + num_page_entries - 1)
2765           first_entry += SIGN(dy);
2766         }
2767
2768         first_entry_store[mode] = first_entry;
2769         choice_store[mode] = choice;
2770
2771         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2772
2773         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2774
2775         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2776                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2777       }
2778
2779       return;
2780     }
2781
2782     if (dx)
2783     {
2784       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2785
2786       if (menu_info[choice].type & menu_navigation_type ||
2787           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2788           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2789           menu_info[choice].type & TYPE_PLAYER)
2790         button = MB_MENU_CHOICE;
2791     }
2792     else if (dy)
2793       y += dy;
2794
2795     // jump to next non-empty menu entry (up or down)
2796     while (first_entry + y > 0 &&
2797            first_entry + y < max_page_entries - 1 &&
2798            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2799       y += dy;
2800
2801     if (!IN_VIS_MENU(x, y))
2802     {
2803       choice += y - y_old;
2804
2805       if (choice < first_entry)
2806         first_entry = choice;
2807       else if (choice > first_entry + num_page_entries - 1)
2808         first_entry = choice - num_page_entries + 1;
2809
2810       if (first_entry >= 0 &&
2811           first_entry + num_page_entries <= max_page_entries)
2812       {
2813         first_entry_store[mode] = first_entry;
2814
2815         if (choice < first_entry)
2816           choice = first_entry;
2817         else if (choice > first_entry + num_page_entries - 1)
2818           choice = first_entry + num_page_entries - 1;
2819
2820         choice_store[mode] = choice;
2821
2822         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2823
2824         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2825
2826         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2827                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2828       }
2829
2830       return;
2831     }
2832   }
2833
2834   if (!anyScrollbarGadgetActive() &&
2835       IN_VIS_MENU(x, y) &&
2836       mx < mx_right_border &&
2837       y >= 0 && y < num_page_entries)
2838   {
2839     if (button)
2840     {
2841       if (first_entry + y != choice &&
2842           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2843       {
2844         PlaySound(SND_MENU_ITEM_ACTIVATING);
2845
2846         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2847         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2848
2849         choice = choice_store[mode] = first_entry + y;
2850       }
2851       else if (dx < 0)
2852       {
2853         PlaySound(SND_MENU_ITEM_SELECTING);
2854
2855         for (i = 0; menu_info[i].type != 0; i++)
2856         {
2857           if (menu_info[i].type & TYPE_LEAVE_MENU)
2858           {
2859             void (*menu_callback_function)(void) = menu_info[i].value;
2860
2861             FadeSetLeaveMenu();
2862
2863             menu_callback_function();
2864
2865             // absolutely needed because function changes 'menu_info'!
2866             break;
2867           }
2868         }
2869
2870         return;
2871       }
2872     }
2873     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2874     {
2875       PlaySound(SND_MENU_ITEM_SELECTING);
2876
2877       // when selecting key headline, execute function for key value change
2878       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2879           menu_info[first_entry + y + 1].type & TYPE_KEY)
2880         y++;
2881
2882       // when selecting string value, execute function for list selection
2883       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2884           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2885         y--;
2886
2887       // when selecting string value, execute function for text input gadget
2888       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2889           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2890         y--;
2891
2892       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2893       {
2894         void (*menu_callback_function)(void) =
2895           menu_info[first_entry + y].value;
2896
2897         FadeSetFromType(menu_info[first_entry + y].type);
2898
2899         menu_callback_function();
2900       }
2901       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2902       {
2903         void (*gadget_callback_function)(void) =
2904           menu_info[first_entry + y].value;
2905
2906         gadget_callback_function();
2907       }
2908       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2909                menu_info == setup_info)
2910       {
2911         changeSetupValue(y, first_entry + y, dx);
2912       }
2913     }
2914   }
2915 }
2916
2917 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2918 {
2919   menu_info = info_info;
2920
2921   HandleMenuScreen(mx, my, dx, dy, button,
2922                    info_mode, num_info_info, max_info_info);
2923 }
2924
2925 static int getMenuFontSpacing(int spacing_height, int font_nr)
2926 {
2927   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2928
2929   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2930           spacing_height);
2931 }
2932
2933 static int getMenuTextSpacing(int spacing_height, int font_nr)
2934 {
2935   return (getMenuFontSpacing(spacing_height, font_nr) +
2936           EXTRA_SPACING(game_status));
2937 }
2938
2939 static int getMenuTextStep(int spacing_height, int font_nr)
2940 {
2941   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2942 }
2943
2944 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2945 {
2946   int font_title = MENU_INFO_FONT_TITLE;
2947   int font_error = FONT_TEXT_2;
2948   int font_foot  = MENU_INFO_FONT_FOOT;
2949   int spacing_title = menu.headline1_spacing_info[info_mode];
2950   int ystep_title = getMenuTextStep(spacing_title, font_title);
2951   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2952   int ystart2 = ystart1 + ystep_title;
2953   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2954
2955   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2956
2957   FadeOut(REDRAW_FIELD);
2958
2959   ClearField();
2960   DrawHeadline();
2961
2962   DrawTextSCentered(ystart1, font_title, text_title);
2963   DrawTextSCentered(ystart2, font_error, text_error);
2964
2965   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
2966
2967   FadeIn(REDRAW_FIELD);
2968 }
2969
2970 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2971 {
2972   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2973   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2974   int font_title = MENU_INFO_FONT_TITLE;
2975   int font_foot  = MENU_INFO_FONT_FOOT;
2976   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2977   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2978   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2979   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2980   int ystep = MENU_SCREEN_INFO_YSTEP;
2981   int element, action, direction;
2982   int graphic;
2983   int delay;
2984   int sync_frame;
2985   int i, j;
2986
2987   if (init)
2988   {
2989     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2990       infoscreen_step[i] = infoscreen_frame[i] = 0;
2991
2992     ClearField();
2993     DrawHeadline();
2994
2995     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2996     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
2997
2998     FrameCounter = 0;
2999   }
3000
3001   i = j = 0;
3002   while (helpanim_info[j].element != HELPANIM_LIST_END)
3003   {
3004     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
3005         i >= max_anims)
3006       break;
3007     else if (i < start)
3008     {
3009       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3010         j++;
3011
3012       j++;
3013       i++;
3014
3015       continue;
3016     }
3017
3018     j += infoscreen_step[i - start];
3019
3020     element = helpanim_info[j].element;
3021     action = helpanim_info[j].action;
3022     direction = helpanim_info[j].direction;
3023
3024     if (element < 0)
3025       element = EL_UNKNOWN;
3026
3027     if (action != -1 && direction != -1)
3028       graphic = el_act_dir2img(element, action, direction);
3029     else if (action != -1)
3030       graphic = el_act2img(element, action);
3031     else if (direction != -1)
3032       graphic = el_dir2img(element, direction);
3033     else
3034       graphic = el2img(element);
3035
3036     delay = helpanim_info[j++].delay;
3037
3038     if (delay == -1)
3039       delay = 1000000;
3040
3041     if (infoscreen_frame[i - start] == 0)
3042     {
3043       sync_frame = 0;
3044       infoscreen_frame[i - start] = delay - 1;
3045     }
3046     else
3047     {
3048       sync_frame = delay - infoscreen_frame[i - start];
3049       infoscreen_frame[i - start]--;
3050     }
3051
3052     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
3053     {
3054       if (!infoscreen_frame[i - start])
3055         infoscreen_step[i - start] = 0;
3056     }
3057     else
3058     {
3059       if (!infoscreen_frame[i - start])
3060         infoscreen_step[i - start]++;
3061       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
3062         j++;
3063     }
3064
3065     j++;
3066
3067     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
3068                                TILEX, TILEY);
3069     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
3070                                  graphic, sync_frame, USE_MASKING);
3071
3072     if (init)
3073       DrawInfoScreen_HelpText(element, action, direction, i - start);
3074
3075     i++;
3076   }
3077
3078   redraw_mask |= REDRAW_FIELD;
3079
3080   FrameCounter++;
3081 }
3082
3083 static char *getHelpText(int element, int action, int direction)
3084 {
3085   char token[MAX_LINE_LEN];
3086
3087   strcpy(token, element_info[element].token_name);
3088
3089   if (action != -1)
3090     strcat(token, element_action_info[action].suffix);
3091
3092   if (direction != -1)
3093     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
3094
3095   return getHashEntry(helptext_info, token);
3096 }
3097
3098 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3099 {
3100   int font_nr = FONT_INFO_ELEMENTS;
3101   int font_width = getFontWidth(font_nr);
3102   int font_height = getFontHeight(font_nr);
3103   int yoffset = (TILEX - 2 * font_height) / 2;
3104   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3105   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3106   int ystep = TILEY + 4;
3107   int pad_left = xstart - SX;
3108   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3109   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3110   int max_lines_per_text = 2;    
3111   char *text = NULL;
3112
3113   if (action != -1 && direction != -1)          // element.action.direction
3114     text = getHelpText(element, action, direction);
3115
3116   if (text == NULL && action != -1)             // element.action
3117     text = getHelpText(element, action, -1);
3118
3119   if (text == NULL && direction != -1)          // element.direction
3120     text = getHelpText(element, -1, direction);
3121
3122   if (text == NULL)                             // base element
3123     text = getHelpText(element, -1, -1);
3124
3125   if (text == NULL)                             // not found
3126     text = "No description available";
3127
3128   if (strlen(text) <= max_chars_per_line)       // only one line of text
3129     ystart += getFontHeight(font_nr) / 2;
3130
3131   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3132                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3133                  TRUE, FALSE, FALSE);
3134 }
3135
3136 static void DrawInfoScreen_TitleScreen(void)
3137 {
3138   SetGameStatus(GAME_MODE_TITLE);
3139
3140   DrawTitleScreen();
3141 }
3142
3143 void HandleInfoScreen_TitleScreen(int dx, int dy, int button)
3144 {
3145   HandleTitleScreen(0, 0, dx, dy, button);
3146 }
3147
3148 static void DrawInfoScreen_Elements(void)
3149 {
3150   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3151
3152   FadeOut(REDRAW_FIELD);
3153
3154   LoadHelpAnimInfo();
3155   LoadHelpTextInfo();
3156
3157   HandleInfoScreen_Elements(0, 0, MB_MENU_INITIALIZE);
3158
3159   FadeIn(REDRAW_FIELD);
3160 }
3161
3162 void HandleInfoScreen_Elements(int dx, int dy, int button)
3163 {
3164   static unsigned int info_delay = 0;
3165   static int num_anims;
3166   static int num_pages;
3167   static int page;
3168   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3169   int i;
3170
3171   if (button == MB_MENU_INITIALIZE)
3172   {
3173     boolean new_element = TRUE;
3174
3175     num_anims = 0;
3176
3177     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3178     {
3179       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3180         new_element = TRUE;
3181       else if (new_element)
3182       {
3183         num_anims++;
3184         new_element = FALSE;
3185       }
3186     }
3187
3188     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3189     page = 0;
3190   }
3191
3192   if (button == MB_MENU_LEAVE)
3193   {
3194     PlaySound(SND_MENU_ITEM_SELECTING);
3195
3196     info_mode = INFO_MODE_MAIN;
3197     DrawInfoScreen();
3198
3199     return;
3200   }
3201   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3202   {
3203     if (button != MB_MENU_INITIALIZE)
3204     {
3205       PlaySound(SND_MENU_ITEM_SELECTING);
3206
3207       page += (dx < 0 ? -1 : +1);
3208     }
3209
3210     if (page < 0 || page >= num_pages)
3211     {
3212       FadeMenuSoundsAndMusic();
3213
3214       info_mode = INFO_MODE_MAIN;
3215       DrawInfoScreen();
3216
3217       return;
3218     }
3219
3220     if (button != MB_MENU_INITIALIZE)
3221       FadeSetNextScreen();
3222
3223     if (button != MB_MENU_INITIALIZE)
3224       FadeOut(REDRAW_FIELD);
3225
3226     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3227
3228     if (button != MB_MENU_INITIALIZE)
3229       FadeIn(REDRAW_FIELD);
3230   }
3231   else
3232   {
3233     if (DelayReached(&info_delay, GameFrameDelay))
3234       if (page < num_pages)
3235         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3236
3237     PlayMenuSoundIfLoop();
3238   }
3239 }
3240
3241 static void DrawInfoScreen_Music(void)
3242 {
3243   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3244
3245   FadeOut(REDRAW_FIELD);
3246
3247   ClearField();
3248   DrawHeadline();
3249
3250   LoadMusicInfo();
3251
3252   HandleInfoScreen_Music(0, 0, MB_MENU_INITIALIZE);
3253
3254   FadeIn(REDRAW_FIELD);
3255 }
3256
3257 void HandleInfoScreen_Music(int dx, int dy, int button)
3258 {
3259   static struct MusicFileInfo *list = NULL;
3260   int font_title = MENU_INFO_FONT_TITLE;
3261   int font_head  = MENU_INFO_FONT_HEAD;
3262   int font_text  = MENU_INFO_FONT_TEXT;
3263   int font_foot  = MENU_INFO_FONT_FOOT;
3264   int spacing_title = menu.headline1_spacing_info[info_mode];
3265   int spacing_head  = menu.headline2_spacing_info[info_mode];
3266   int ystep_title = getMenuTextStep(spacing_title, font_title);
3267   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3268   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3269   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3270
3271   if (button == MB_MENU_INITIALIZE)
3272   {
3273     list = music_file_info;
3274
3275     if (list == NULL)
3276     {
3277       FadeMenuSoundsAndMusic();
3278
3279       ClearField();
3280       DrawHeadline();
3281
3282       DrawTextSCentered(ystart, font_title, "No music info for this level set.");
3283       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3284
3285       return;
3286     }
3287   }
3288
3289   if (button == MB_MENU_LEAVE)
3290   {
3291     PlaySound(SND_MENU_ITEM_SELECTING);
3292
3293     FadeMenuSoundsAndMusic();
3294
3295     info_mode = INFO_MODE_MAIN;
3296     DrawInfoScreen();
3297
3298     return;
3299   }
3300   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE || dx)
3301   {
3302     if (button != MB_MENU_INITIALIZE)
3303     {
3304       PlaySound(SND_MENU_ITEM_SELECTING);
3305
3306       if (list != NULL)
3307         list = (dx < 0 ? list->prev : list->next);
3308     }
3309
3310     if (list == NULL)
3311     {
3312       FadeMenuSoundsAndMusic();
3313
3314       info_mode = INFO_MODE_MAIN;
3315       DrawInfoScreen();
3316
3317       return;
3318     }
3319
3320     FadeMenuSoundsAndMusic();
3321
3322     if (list != music_file_info)
3323       FadeSetNextScreen();
3324
3325     if (button != MB_MENU_INITIALIZE)
3326       FadeOut(REDRAW_FIELD);
3327
3328     ClearField();
3329     DrawHeadline();
3330
3331     if (list->is_sound)
3332     {
3333       int sound = list->music;
3334
3335       if (IS_LOOP_SOUND(sound))
3336         PlaySoundLoop(sound);
3337       else
3338         PlaySound(sound);
3339
3340       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3341     }
3342     else
3343     {
3344       int music = list->music;
3345
3346       if (IS_LOOP_MUSIC(music))
3347         PlayMusicLoop(music);
3348       else
3349         PlayMusic(music);
3350
3351       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3352     }
3353
3354     ystart += ystep_title;
3355
3356     if (!strEqual(list->title, UNKNOWN_NAME))
3357     {
3358       if (!strEqual(list->title_header, UNKNOWN_NAME))
3359       {
3360         DrawTextSCentered(ystart, font_head, list->title_header);
3361         ystart += ystep_head;
3362       }
3363
3364       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3365       ystart += ystep_head;
3366     }
3367
3368     if (!strEqual(list->artist, UNKNOWN_NAME))
3369     {
3370       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3371         DrawTextSCentered(ystart, font_head, list->artist_header);
3372       else
3373         DrawTextSCentered(ystart, font_head, "by");
3374
3375       ystart += ystep_head;
3376
3377       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3378       ystart += ystep_head;
3379     }
3380
3381     if (!strEqual(list->album, UNKNOWN_NAME))
3382     {
3383       if (!strEqual(list->album_header, UNKNOWN_NAME))
3384         DrawTextSCentered(ystart, font_head, list->album_header);
3385       else
3386         DrawTextSCentered(ystart, font_head, "from the album");
3387
3388       ystart += ystep_head;
3389
3390       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3391       ystart += ystep_head;
3392     }
3393
3394     if (!strEqual(list->year, UNKNOWN_NAME))
3395     {
3396       if (!strEqual(list->year_header, UNKNOWN_NAME))
3397         DrawTextSCentered(ystart, font_head, list->year_header);
3398       else
3399         DrawTextSCentered(ystart, font_head, "from the year");
3400
3401       ystart += ystep_head;
3402
3403       DrawTextFCentered(ystart, font_text, "%s", list->year);
3404       ystart += ystep_head;
3405     }
3406
3407     DrawTextSCentered(ybottom, font_foot, TEXT_NEXT_PAGE);
3408
3409     if (button != MB_MENU_INITIALIZE)
3410       FadeIn(REDRAW_FIELD);
3411   }
3412
3413   if (list != NULL && list->is_sound && IS_LOOP_SOUND(list->music))
3414     PlaySoundLoop(list->music);
3415 }
3416
3417 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3418 {
3419   int font_title = MENU_INFO_FONT_TITLE;
3420   int font_text  = MENU_INFO_FONT_TEXT;
3421   int font_foot  = MENU_INFO_FONT_FOOT;
3422   int spacing_title = menu.headline1_spacing_info[info_mode];
3423   int spacing_line  = menu.line_spacing_info[info_mode];
3424   int ystep_title = getMenuTextStep(spacing_title, font_title);
3425   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3426   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3427
3428   ClearField();
3429   DrawHeadline();
3430
3431   DrawTextSCentered(ystart, font_title, "Credits:");
3432
3433   char *filename = getCreditsFilename(screen_nr, use_global_credits_screens);
3434   int width = SXSIZE;
3435   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3436   int chars = width / getFontWidth(font_text);
3437   int lines = height / getFontHeight(font_text);
3438   int padx = (width - chars * getFontWidth(font_text)) / 2;
3439   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3440   boolean autowrap = FALSE;
3441   boolean centered = TRUE;
3442   boolean parse_comments = TRUE;
3443
3444   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3445                filename, font_text, chars, -1, lines, line_spacing, -1,
3446                autowrap, centered, parse_comments);
3447
3448   boolean last_screen = (screen_nr == num_credits_screens - 1);
3449   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3450
3451   DrawTextSCentered(ybottom, font_foot, text_foot);
3452 }
3453
3454 static void DrawInfoScreen_Credits(void)
3455 {
3456   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3457
3458   FadeMenuSoundsAndMusic();
3459
3460   FadeOut(REDRAW_FIELD);
3461
3462   HandleInfoScreen_Credits(0, 0, MB_MENU_INITIALIZE);
3463
3464   FadeIn(REDRAW_FIELD);
3465 }
3466
3467 void HandleInfoScreen_Credits(int dx, int dy, int button)
3468 {
3469   static int screen_nr = 0;
3470
3471   if (button == MB_MENU_INITIALIZE)
3472   {
3473     int i;
3474
3475     // determine number of (global or level set specific) credits screens
3476     for (i = 0; i < 2; i++)
3477     {
3478       num_credits_screens = 0;
3479       use_global_credits_screens = i;
3480
3481       while (getCreditsFilename(num_credits_screens,
3482                                 use_global_credits_screens) != NULL)
3483         num_credits_screens++;
3484
3485       if (num_credits_screens > 0)
3486         break;
3487     }
3488
3489     if (num_credits_screens == 0)
3490     {
3491       int font_title = MENU_INFO_FONT_TITLE;
3492       int font_foot  = MENU_INFO_FONT_FOOT;
3493       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3494       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3495
3496       ClearField();
3497       DrawHeadline();
3498
3499       DrawTextSCentered(ystart, font_title, "No credits for this level set.");
3500       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3501
3502       return;
3503     }
3504
3505     screen_nr = 0;
3506
3507     DrawInfoScreen_CreditsScreen(screen_nr);
3508   }
3509   else if (button == MB_MENU_LEAVE)
3510   {
3511     PlaySound(SND_MENU_ITEM_SELECTING);
3512
3513     info_mode = INFO_MODE_MAIN;
3514     DrawInfoScreen();
3515
3516     return;
3517   }
3518   else if (button == MB_MENU_CHOICE || dx)
3519   {
3520     PlaySound(SND_MENU_ITEM_SELECTING);
3521
3522     screen_nr += (dx < 0 ? -1 : +1);
3523
3524     if (screen_nr < 0 || screen_nr >= num_credits_screens)
3525     {
3526       FadeMenuSoundsAndMusic();
3527
3528       info_mode = INFO_MODE_MAIN;
3529       DrawInfoScreen();
3530
3531       return;
3532     }
3533
3534     FadeSetNextScreen();
3535
3536     FadeOut(REDRAW_FIELD);
3537
3538     DrawInfoScreen_CreditsScreen(screen_nr);
3539
3540     FadeIn(REDRAW_FIELD);
3541   }
3542   else
3543   {
3544     PlayMenuSoundIfLoop();
3545   }
3546 }
3547
3548 static void DrawInfoScreen_ProgramScreen(int screen_nr)
3549 {
3550   int font_title = MENU_INFO_FONT_TITLE;
3551   int font_text  = MENU_INFO_FONT_TEXT;
3552   int font_foot  = MENU_INFO_FONT_FOOT;
3553   int spacing_title = menu.headline1_spacing_info[info_mode];
3554   int spacing_line  = menu.line_spacing_info[info_mode];
3555   int ystep_title = getMenuTextStep(spacing_title, font_title);
3556   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3557   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3558
3559   ClearField();
3560   DrawHeadline();
3561
3562   DrawTextSCentered(ystart, font_title, "Program Information:");
3563
3564   char *filename = getProgramInfoFilename(screen_nr);
3565   int width = SXSIZE;
3566   int height = MENU_SCREEN_INFO_YBOTTOM - MENU_SCREEN_INFO_YSTART1;
3567   int chars = width / getFontWidth(font_text);
3568   int lines = height / getFontHeight(font_text);
3569   int padx = (width - chars * getFontWidth(font_text)) / 2;
3570   int line_spacing = getMenuTextSpacing(spacing_line, font_text);
3571   boolean autowrap = FALSE;
3572   boolean centered = TRUE;
3573   boolean parse_comments = TRUE;
3574
3575   DrawTextFile(mSX + padx, mSY + MENU_SCREEN_INFO_YSTART1 + ystep_title,
3576                filename, font_text, chars, -1, lines, line_spacing, -1,
3577                autowrap, centered, parse_comments);
3578
3579   boolean last_screen = (screen_nr == num_program_info_screens - 1);
3580   char *text_foot = (last_screen ? TEXT_INFO_MENU : TEXT_NEXT_PAGE);
3581
3582   DrawTextSCentered(ybottom, font_foot, text_foot);
3583 }
3584
3585 static void DrawInfoScreen_Program(void)
3586 {
3587   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3588
3589   FadeMenuSoundsAndMusic();
3590
3591   FadeOut(REDRAW_FIELD);
3592
3593   HandleInfoScreen_Program(0, 0, MB_MENU_INITIALIZE);
3594
3595   FadeIn(REDRAW_FIELD);
3596 }
3597
3598 void HandleInfoScreen_Program(int dx, int dy, int button)
3599 {
3600   static int screen_nr = 0;
3601
3602   if (button == MB_MENU_INITIALIZE)
3603   {
3604     // determine number of program info screens
3605     num_program_info_screens = 0;
3606
3607     while (getProgramInfoFilename(num_program_info_screens) != NULL)
3608       num_program_info_screens++;
3609
3610     if (num_program_info_screens == 0)
3611     {
3612       int font_title = MENU_INFO_FONT_TITLE;
3613       int font_foot  = MENU_INFO_FONT_FOOT;
3614       int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3615       int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3616
3617       ClearField();
3618       DrawHeadline();
3619
3620       DrawTextSCentered(ystart, font_title, "No program info available.");
3621       DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3622
3623       return;
3624     }
3625
3626     screen_nr = 0;
3627
3628     DrawInfoScreen_ProgramScreen(screen_nr);
3629   }
3630   else if (button == MB_MENU_LEAVE)
3631   {
3632     PlaySound(SND_MENU_ITEM_SELECTING);
3633
3634     info_mode = INFO_MODE_MAIN;
3635     DrawInfoScreen();
3636
3637     return;
3638   }
3639   else if (button == MB_MENU_CHOICE || dx)
3640   {
3641     PlaySound(SND_MENU_ITEM_SELECTING);
3642
3643     screen_nr += (dx < 0 ? -1 : +1);
3644
3645     if (screen_nr < 0 || screen_nr >= num_program_info_screens)
3646     {
3647       FadeMenuSoundsAndMusic();
3648
3649       info_mode = INFO_MODE_MAIN;
3650       DrawInfoScreen();
3651
3652       return;
3653     }
3654
3655     FadeSetNextScreen();
3656
3657     FadeOut(REDRAW_FIELD);
3658
3659     DrawInfoScreen_ProgramScreen(screen_nr);
3660
3661     FadeIn(REDRAW_FIELD);
3662   }
3663   else
3664   {
3665     PlayMenuSoundIfLoop();
3666   }
3667 }
3668
3669 static void DrawInfoScreen_Version(void)
3670 {
3671   int font_title = MENU_INFO_FONT_TITLE;
3672   int font_head  = MENU_INFO_FONT_HEAD;
3673   int font_text  = MENU_INFO_FONT_TEXT;
3674   int font_foot  = MENU_INFO_FONT_FOOT;
3675   int spacing_title = menu.headline1_spacing_info[info_mode];
3676   int spacing_head  = menu.headline2_spacing_info[info_mode];
3677   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3678   int spacing_line  = menu.line_spacing_info[info_mode];
3679   int xstep = getFontWidth(font_text);
3680   int ystep_title = getMenuTextStep(spacing_title, font_title);
3681   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3682   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3683   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3684   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3685   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3686   int xstart1 = mSX - SX + 2 * xstep;
3687   int xstart2 = mSX - SX + 18 * xstep;
3688   int xstart3 = mSX - SX + 28 * xstep;
3689   SDL_version sdl_version_compiled;
3690   const SDL_version *sdl_version_linked;
3691   int driver_name_len = 10;
3692   SDL_version sdl_version_linked_ext;
3693   const char *driver_name = NULL;
3694
3695   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3696
3697   FadeOut(REDRAW_FIELD);
3698
3699   ClearField();
3700   DrawHeadline();
3701
3702   DrawTextSCentered(ystart, font_title, "Version Information:");
3703   ystart += ystep_title;
3704
3705   DrawTextF(xstart1, ystart, font_head, "Name");
3706   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3707   ystart += ystep_line;
3708
3709   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3710   {
3711     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3712     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3713     ystart += ystep_line;
3714
3715     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3716     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3717     ystart += ystep_line;
3718   }
3719   else
3720   {
3721     DrawTextF(xstart1, ystart, font_head, "Version");
3722     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3723     ystart += ystep_line;
3724   }
3725
3726   DrawTextF(xstart1, ystart, font_head, "Platform");
3727   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3728             PLATFORM_STRING,
3729             PLATFORM_XX_BIT_STRING);
3730   ystart += ystep_line;
3731
3732   DrawTextF(xstart1, ystart, font_head, "Target");
3733   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3734   ystart += ystep_line;
3735
3736   DrawTextF(xstart1, ystart, font_head, "Source date");
3737   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3738   ystart += ystep_line;
3739
3740   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3741   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3742   ystart += ystep_para;
3743
3744   DrawTextF(xstart1, ystart, font_head, "Library");
3745   DrawTextF(xstart2, ystart, font_head, "compiled");
3746   DrawTextF(xstart3, ystart, font_head, "linked");
3747   ystart += ystep_head;
3748
3749   SDL_VERSION(&sdl_version_compiled);
3750   SDL_GetVersion(&sdl_version_linked_ext);
3751   sdl_version_linked = &sdl_version_linked_ext;
3752
3753   DrawTextF(xstart1, ystart, font_text, "SDL");
3754   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3755             sdl_version_compiled.major,
3756             sdl_version_compiled.minor,
3757             sdl_version_compiled.patch);
3758   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3759             sdl_version_linked->major,
3760             sdl_version_linked->minor,
3761             sdl_version_linked->patch);
3762   ystart += ystep_line;
3763
3764   SDL_IMAGE_VERSION(&sdl_version_compiled);
3765   sdl_version_linked = IMG_Linked_Version();
3766
3767   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3768   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3769             sdl_version_compiled.major,
3770             sdl_version_compiled.minor,
3771             sdl_version_compiled.patch);
3772   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3773             sdl_version_linked->major,
3774             sdl_version_linked->minor,
3775             sdl_version_linked->patch);
3776   ystart += ystep_line;
3777
3778   SDL_MIXER_VERSION(&sdl_version_compiled);
3779   sdl_version_linked = Mix_Linked_Version();
3780
3781   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3782   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3783             sdl_version_compiled.major,
3784             sdl_version_compiled.minor,
3785             sdl_version_compiled.patch);
3786   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3787             sdl_version_linked->major,
3788             sdl_version_linked->minor,
3789             sdl_version_linked->patch);
3790   ystart += ystep_line;
3791
3792   SDL_NET_VERSION(&sdl_version_compiled);
3793   sdl_version_linked = SDLNet_Linked_Version();
3794
3795   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3796   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3797             sdl_version_compiled.major,
3798             sdl_version_compiled.minor,
3799             sdl_version_compiled.patch);
3800   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3801             sdl_version_linked->major,
3802             sdl_version_linked->minor,
3803             sdl_version_linked->patch);
3804   ystart += ystep_para;
3805
3806   DrawTextF(xstart1, ystart, font_head, "Driver");
3807   DrawTextF(xstart2, ystart, font_head, "Requested");
3808   DrawTextF(xstart3, ystart, font_head, "Used");
3809   ystart += ystep_head;
3810
3811   driver_name =
3812     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3813
3814   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3815   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3816   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3817   ystart += ystep_line;
3818
3819   driver_name =
3820     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3821
3822   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3823   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3824   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3825   ystart += ystep_line;
3826
3827   driver_name =
3828     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3829
3830   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3831   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3832   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3833
3834   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3835
3836   FadeIn(REDRAW_FIELD);
3837 }
3838
3839 void HandleInfoScreen_Version(int button)
3840 {
3841   if (button == MB_MENU_LEAVE)
3842   {
3843     PlaySound(SND_MENU_ITEM_SELECTING);
3844
3845     info_mode = INFO_MODE_MAIN;
3846     DrawInfoScreen();
3847
3848     return;
3849   }
3850   else if (button == MB_MENU_CHOICE)
3851   {
3852     PlaySound(SND_MENU_ITEM_SELECTING);
3853
3854     FadeMenuSoundsAndMusic();
3855
3856     info_mode = INFO_MODE_MAIN;
3857     DrawInfoScreen();
3858   }
3859   else
3860   {
3861     PlayMenuSoundIfLoop();
3862   }
3863 }
3864
3865 static void DrawInfoScreen_LevelSet(void)
3866 {
3867   struct TitleMessageInfo *tmi = &readme;
3868   char *filename = getLevelSetInfoFilename();
3869   char *title = "Level Set Information:";
3870   int font_foot = MENU_INFO_FONT_FOOT;
3871   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3872   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3873
3874   if (filename == NULL)
3875   {
3876     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3877
3878     return;
3879   }
3880
3881   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3882
3883   FadeOut(REDRAW_FIELD);
3884
3885   ClearField();
3886   DrawHeadline();
3887
3888   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3889
3890   // if x position set to "-1", automatically determine by playfield width
3891   if (tmi->x == -1)
3892     tmi->x = SXSIZE / 2;
3893
3894   // if y position set to "-1", use static default value
3895   if (tmi->y == -1)
3896     tmi->y = 150;
3897
3898   // if width set to "-1", automatically determine by playfield width
3899   if (tmi->width == -1)
3900     tmi->width = SXSIZE - 2 * TILEX;
3901
3902   // if height set to "-1", automatically determine by playfield height
3903   if (tmi->height == -1)
3904     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3905
3906   // if chars set to "-1", automatically determine by text and font width
3907   if (tmi->chars == -1)
3908     tmi->chars = tmi->width / getFontWidth(tmi->font);
3909   else
3910     tmi->width = tmi->chars * getFontWidth(tmi->font);
3911
3912   // if lines set to "-1", automatically determine by text and font height
3913   if (tmi->lines == -1)
3914     tmi->lines = tmi->height / getFontHeight(tmi->font);
3915   else
3916     tmi->height = tmi->lines * getFontHeight(tmi->font);
3917
3918   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3919                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3920                tmi->autowrap, tmi->centered, tmi->parse_comments);
3921
3922   DrawTextSCentered(ybottom, font_foot, TEXT_INFO_MENU);
3923
3924   FadeIn(REDRAW_FIELD);
3925 }
3926
3927 static void HandleInfoScreen_LevelSet(int button)
3928 {
3929   if (button == MB_MENU_LEAVE)
3930   {
3931     PlaySound(SND_MENU_ITEM_SELECTING);
3932
3933     info_mode = INFO_MODE_MAIN;
3934     DrawInfoScreen();
3935
3936     return;
3937   }
3938   else if (button == MB_MENU_CHOICE)
3939   {
3940     PlaySound(SND_MENU_ITEM_SELECTING);
3941
3942     FadeMenuSoundsAndMusic();
3943
3944     info_mode = INFO_MODE_MAIN;
3945     DrawInfoScreen();
3946   }
3947   else
3948   {
3949     PlayMenuSoundIfLoop();
3950   }
3951 }
3952
3953 static void DrawInfoScreen(void)
3954 {
3955   if (info_mode == INFO_MODE_TITLE)
3956     DrawInfoScreen_TitleScreen();
3957   else if (info_mode == INFO_MODE_ELEMENTS)
3958     DrawInfoScreen_Elements();
3959   else if (info_mode == INFO_MODE_MUSIC)
3960     DrawInfoScreen_Music();
3961   else if (info_mode == INFO_MODE_CREDITS)
3962     DrawInfoScreen_Credits();
3963   else if (info_mode == INFO_MODE_PROGRAM)
3964     DrawInfoScreen_Program();
3965   else if (info_mode == INFO_MODE_VERSION)
3966     DrawInfoScreen_Version();
3967   else if (info_mode == INFO_MODE_LEVELSET)
3968     DrawInfoScreen_LevelSet();
3969   else
3970     DrawInfoScreen_Main();
3971
3972   if (info_mode != INFO_MODE_MAIN &&
3973       info_mode != INFO_MODE_TITLE &&
3974       info_mode != INFO_MODE_MUSIC)
3975     PlayMenuSoundsAndMusic();
3976 }
3977
3978 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
3979 {
3980   if (info_mode == INFO_MODE_TITLE)
3981     HandleInfoScreen_TitleScreen(dx, dy, button);
3982   else if (info_mode == INFO_MODE_ELEMENTS)
3983     HandleInfoScreen_Elements(dx, dy, button);
3984   else if (info_mode == INFO_MODE_MUSIC)
3985     HandleInfoScreen_Music(dx, dy, button);
3986   else if (info_mode == INFO_MODE_CREDITS)
3987     HandleInfoScreen_Credits(dx, dy, button);
3988   else if (info_mode == INFO_MODE_PROGRAM)
3989     HandleInfoScreen_Program(dx, dy, button);
3990   else if (info_mode == INFO_MODE_VERSION)
3991     HandleInfoScreen_Version(button);
3992   else if (info_mode == INFO_MODE_LEVELSET)
3993     HandleInfoScreen_LevelSet(button);
3994   else
3995     HandleInfoScreen_Main(mx, my, dx, dy, button);
3996 }
3997
3998
3999 // ============================================================================
4000 // type name functions
4001 // ============================================================================
4002
4003 static TreeInfo *type_name_node = NULL;
4004 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4005 static int type_name_nr = 0;
4006
4007 static int getPlayerNameColor(char *name)
4008 {
4009   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4010 }
4011
4012 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4013                              boolean active)
4014 {
4015   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4016   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4017   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4018   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4019   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4020   int font_width = getFontWidth(font_nr);
4021   int font_xoffset = getFontDrawOffsetX(font_nr);
4022   int font_yoffset = getFontDrawOffsetY(font_nr);
4023   int font_sx = sx + font_xoffset;
4024   int font_sy = sy + font_yoffset;
4025
4026   DrawBackgroundForFont(font_sx, font_sy, pos->width, pos->height, font_nr);
4027
4028   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4029
4030   pos->width = strlen(text) * font_width;
4031   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4032
4033   DrawText(sx, sy, text, font_nr);
4034 }
4035
4036 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4037 {
4038   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4039
4040   *pos = *mci->pos_input;
4041
4042   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4043   {
4044     TreeInfo *ti = player_name_current;
4045     int first_entry = ti->cl_first;
4046     int entry_pos = first_entry + ti->cl_cursor;
4047     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4048     int xpos = MENU_SCREEN_START_XPOS;
4049     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4050
4051     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4052     type_name_nr = entry_pos;
4053
4054     strcpy(name, type_name_node->name);
4055
4056     pos->x = xpos * 32;
4057     pos->y = ypos * 32;
4058     pos->width = MAX_PLAYER_NAME_LEN * 32;
4059   }
4060   else
4061   {
4062     type_name_nr = user.nr;
4063
4064     strcpy(name, setup.player_name);
4065   }
4066
4067   strcpy(type_name_last, name);
4068
4069   if (strEqual(name, EMPTY_PLAYER_NAME))
4070     strcpy(name, "");
4071
4072   *xpos = strlen(name);
4073 }
4074
4075 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4076 {
4077   // change name of edited user in global list of user names
4078   setString(&global.user_names[type_name_nr], name);
4079
4080   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4081   {
4082     TreeInfo *node = type_name_node;
4083
4084     // change name of edited user in local menu tree structure
4085     setString(&node->name, name);
4086     setString(&node->name_sorting, name);
4087
4088     node->color = getPlayerNameColor(name);
4089     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4090   }
4091 }
4092
4093 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4094                               boolean changed)
4095 {
4096   boolean reset_setup = strEqual(name, "");
4097   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4098   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4099
4100   if (!changed)
4101     strcpy(name, type_name_last);
4102
4103   if (strEqual(name, ""))
4104     strcpy(name, EMPTY_PLAYER_NAME);
4105
4106   setTypeNameValues_Name(name, pos);
4107
4108   // if player name not changed, no further action required
4109   if (strEqual(name, type_name_last))
4110     return;
4111
4112   // redraw player name before (possibly) opening request dialogs
4113   drawTypeNameText(name, pos, FALSE);
4114
4115   int last_user_nr = user.nr;
4116
4117   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4118   {
4119     // save setup of currently active user (may differ from edited user)
4120     SaveSetup();
4121
4122     // temporarily change active user to edited user
4123     user.nr = type_name_nr;
4124
4125     if (create_user &&
4126         Request("Use current setup values for the new player?", REQ_ASK))
4127     {
4128       // use current setup values for new user, but create new player UUID
4129       setup.player_uuid = getStringCopy(getUUID());
4130     }
4131     else
4132     {
4133       // load setup for existing user (or start with defaults for new user)
4134       LoadSetup();
4135     }
4136   }
4137
4138   char *setup_filename = getSetupFilename();
4139   boolean setup_exists = fileExists(setup_filename);
4140
4141   // change name of edited user in setup structure
4142   strcpy(setup.player_name, name);
4143
4144   // save setup of edited user
4145   SaveSetup();
4146
4147   // change name of edited user on score server
4148   ApiRenamePlayerAsThread();
4149
4150   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4151   {
4152     if (reset_setup)
4153     {
4154       if (Request("Reset setup values for this player?", REQ_ASK))
4155       {
4156         // remove setup config file
4157         unlink(setup_filename);
4158
4159         // set player name to default player name
4160         LoadSetup();
4161
4162         // update player name used by name typing functions
4163         strcpy(name, setup.player_name);
4164
4165         setTypeNameValues_Name(name, pos);
4166       }
4167     }
4168     else if (remove_user && type_name_nr != 0)
4169     {
4170       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4171       {
4172         char *user_dir = getUserGameDataDir();
4173         char *user_dir_removed =
4174           getStringCat3WithSeparator(user_dir, "REMOVED",
4175                                      getCurrentTimestamp(), ".");
4176
4177         if (rename(user_dir, user_dir_removed) != 0)
4178           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4179
4180         checked_free(user_dir_removed);
4181       }
4182     }
4183     else if (create_user && type_name_nr != 0 && !setup_exists)
4184     {
4185       if (Request("Create empty level set for the new player?", REQ_ASK))
4186       {
4187         char *levelset_subdir = getNewUserLevelSubdir();
4188
4189         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4190         {
4191           AddUserLevelSetToLevelInfo(levelset_subdir);
4192
4193           LevelDirTree *leveldir_current_last = leveldir_current;
4194
4195           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4196                                                        levelset_subdir);
4197
4198           // set level number of newly created level set to default value
4199           LoadLevelSetup_SeriesInfo();
4200
4201           // set newly created level set as current level set for new user
4202           SaveLevelSetup_LastSeries();
4203           SaveLevelSetup_SeriesInfo();
4204
4205           leveldir_current = leveldir_current_last;
4206         }
4207         else
4208         {
4209           Request("Creating new level set failed!", REQ_CONFIRM);
4210         }
4211       }
4212     }
4213
4214     // restore currently active user
4215     user.nr = last_user_nr;
4216
4217     // restore setup of currently active user
4218     LoadSetup();
4219
4220     // restore last level set of currently active user
4221     LoadLevelSetup_LastSeries();
4222     LoadLevelSetup_SeriesInfo();
4223   }
4224 }
4225
4226 static void HandleTypeNameExt(boolean initialize, Key key)
4227 {
4228   static struct TextPosInfo pos_name = { 0 };
4229   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4230   static int xpos = 0;
4231   struct TextPosInfo *pos = &pos_name;
4232   char key_char = getValidConfigValueChar(getCharFromKey(key));
4233   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4234   boolean active = TRUE;
4235
4236   if (initialize)
4237   {
4238     getTypeNameValues(name, pos, &xpos);
4239
4240     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4241     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4242
4243     StartTextInput(sx, sy, pos->width, pos->height);
4244   }
4245   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4246   {
4247     name[xpos] = key_char;
4248     name[xpos + 1] = 0;
4249
4250     xpos++;
4251   }
4252   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4253   {
4254     xpos--;
4255
4256     name[xpos] = 0;
4257   }
4258   else if (key == KSYM_Return || key == KSYM_Escape)
4259   {
4260     boolean changed = (key == KSYM_Return);
4261
4262     StopTextInput();
4263
4264     setTypeNameValues(name, pos, changed);
4265
4266     active = FALSE;
4267   }
4268
4269   drawTypeNameText(name, pos, active);
4270
4271   if (!active)
4272   {
4273     SetGameStatus(game_status_last_screen);
4274
4275     if (game_status == GAME_MODE_MAIN)
4276       InitializeMainControls();
4277   }
4278 }
4279
4280 static void DrawTypeName(void)
4281 {
4282   HandleTypeNameExt(TRUE, 0);
4283 }
4284
4285 void HandleTypeName(Key key)
4286 {
4287   HandleTypeNameExt(FALSE, key);
4288 }
4289
4290
4291 // ============================================================================
4292 // tree menu functions
4293 // ============================================================================
4294
4295 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4296 {
4297   if (game_status != GAME_MODE_SETUP ||
4298       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4299     return 0;
4300
4301   int max_text_size = 0;
4302   TreeInfo *node;
4303
4304   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4305     max_text_size = MAX(max_text_size, strlen(node->name));
4306
4307   int num_entries = numTreeInfoInGroup(ti);
4308   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4309   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4310   int text_width = max_text_size * getFontWidth(font_nr);
4311   int button_width = SC_MENUBUTTON_XSIZE;
4312   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4313   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4314   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4315   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4316   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4317   int align_xoffset = MAX(0, align_xoffset_raw);
4318
4319   return align_xoffset;
4320 }
4321
4322 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4323 {
4324   if (game_status != GAME_MODE_SETUP ||
4325       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4326     return 0;
4327
4328   int num_entries = numTreeInfoInGroup(ti);
4329   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4330   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4331   int font_height = getFontHeight(font_nr);
4332   int text_height = font_height * num_page_entries;
4333   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4334   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4335   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4336   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4337   int align_yoffset = MAX(0, align_yoffset_raw);
4338
4339   return align_yoffset;
4340 }
4341
4342 static void StartPlayingFromHallOfFame(void)
4343 {
4344   StartGameActions(network.enabled, setup.autorecord, level.random_seed);
4345 }
4346
4347 static void DrawChooseTree(TreeInfo **ti_ptr)
4348 {
4349   int fade_mask = REDRAW_FIELD;
4350   boolean restart_music = (game_status != game_status_last_screen &&
4351                            game_status_last_screen != GAME_MODE_SCOREINFO);
4352
4353   if (CheckFadeAll())
4354     fade_mask = REDRAW_ALL;
4355
4356   if (*ti_ptr != NULL && strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4357   {
4358     if (game_status == GAME_MODE_SETUP)
4359     {
4360       execSetupArtwork();
4361     }
4362     else        // GAME_MODE_LEVELS
4363     {
4364       SetGameStatus(GAME_MODE_MAIN);
4365
4366       DrawMainMenu();
4367     }
4368
4369     return;
4370   }
4371
4372   UnmapAllGadgets();
4373
4374   FreeScreenGadgets();
4375   CreateScreenGadgets();
4376
4377   if (restart_music)
4378     FadeMenuSoundsAndMusic();
4379
4380   FadeOut(fade_mask);
4381
4382   // needed if different viewport properties defined for this screen
4383   ChangeViewportPropertiesIfNeeded();
4384
4385   if (game_status == GAME_MODE_NAMES)
4386     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4387   else if (game_status == GAME_MODE_LEVELNR)
4388     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4389   else if (game_status == GAME_MODE_LEVELS)
4390     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4391   else if (game_status == GAME_MODE_SCORES)
4392     SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
4393
4394   ClearField();
4395
4396   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4397
4398   // map gadgets for high score screen
4399   if (game_status == GAME_MODE_SCORES)
4400     MapScreenMenuGadgets(SCREEN_MASK_SCORES);
4401
4402   MapScreenTreeGadgets(*ti_ptr);
4403
4404   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4405
4406   DrawMaskedBorder(fade_mask);
4407
4408   if (restart_music)
4409     PlayMenuSoundsAndMusic();
4410
4411   FadeIn(fade_mask);
4412 }
4413
4414 static int getChooseTreeFont(TreeInfo *node, boolean active)
4415 {
4416   if (game_status == GAME_MODE_SCORES)
4417     return (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4418   else
4419     return MENU_CHOOSE_TREE_FONT(MENU_CHOOSE_TREE_COLOR(node, active));
4420 }
4421
4422 static void drawChooseTreeText(TreeInfo *ti, int y, boolean active)
4423 {
4424   int num_entries = numTreeInfoInGroup(ti);
4425   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4426   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4427   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4428   int first_entry = ti->cl_first;
4429   int entry_pos = first_entry + y;
4430   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4431   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4432   int font_nr = getChooseTreeFont(node, active);
4433   int font_xoffset = getFontDrawOffsetX(font_nr);
4434   int xpos = MENU_SCREEN_START_XPOS;
4435   int ypos = MENU_SCREEN_START_YPOS + y;
4436   int startdx = xpos * 32;
4437   int startdy = ypos * 32;
4438   int startx = amSX + startdx;
4439   int starty = amSY + startdy;
4440   int startx_text = startx + font_xoffset;
4441   int endx_text = amSX + screen_width;
4442   int max_text_size = endx_text - startx_text;
4443   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4444   char buffer[max_buffer_len + 1];
4445
4446   if (game_status == GAME_MODE_SCORES && !node->parent_link)
4447   {
4448     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
4449     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
4450     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
4451     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
4452     int font_size_1 = getFontWidth(font_nr1);
4453     int font_size_3 = getFontWidth(font_nr3);
4454     int font_size_4 = getFontWidth(font_nr4);
4455     int text_size_1 = 4 * font_size_1;
4456     int text_size_4 = 5 * font_size_4;
4457     int border = amSX - SX + getFontDrawOffsetX(font_nr1);
4458     int dx1 = 0;
4459     int dx3 = text_size_1;
4460     int dx4 = SXSIZE - 2 * startdx - 2 * border - text_size_4;
4461     int num_dots = (dx4 - dx3) / font_size_3;
4462     int startx1 = startx + dx1;
4463     int startx3 = startx + dx3;
4464     int startx4 = startx + dx4;
4465     int pos = node->pos;
4466     char *pos_text = getHallOfFameRankText(pos, 3);
4467     int i;
4468
4469     DrawText(startx1, starty, pos_text, font_nr1);
4470
4471     for (i = 0; i < num_dots; i++)
4472       DrawText(startx3 + i * font_size_3, starty, ".", font_nr3);
4473
4474     if (!strEqual(scores.entry[pos].name, EMPTY_PLAYER_NAME))
4475       DrawText(startx3, starty, scores.entry[pos].name, font_nr2);
4476
4477     DrawText(startx4, starty, getHallOfFameScoreText(pos, 5), font_nr4);
4478   }
4479   else
4480   {
4481     strncpy(buffer, node->name, max_buffer_len);
4482     buffer[max_buffer_len] = '\0';
4483
4484     DrawText(startx, starty, buffer, font_nr);
4485   }
4486 }
4487
4488 static void drawChooseTreeHeadExt(int type, char *title_string)
4489 {
4490   int yoffset_sets = MENU_TITLE1_YPOS;
4491   int yoffset_setup = 16;
4492   int yoffset = (type == TREE_TYPE_SCORE_ENTRY ||
4493                  type == TREE_TYPE_LEVEL_DIR ||
4494                  type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4495
4496   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4497 }
4498
4499 static void drawChooseTreeHead(TreeInfo *ti)
4500 {
4501   drawChooseTreeHeadExt(ti->type, ti->infotext);
4502 }
4503
4504 static void drawChooseTreeList(TreeInfo *ti)
4505 {
4506   int first_entry = ti->cl_first;
4507   int num_entries = numTreeInfoInGroup(ti);
4508   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4509   int i;
4510
4511   clearMenuListArea();
4512
4513   for (i = 0; i < num_page_entries; i++)
4514   {
4515     TreeInfo *node, *node_first;
4516     int entry_pos = first_entry + i;
4517
4518     node_first = getTreeInfoFirstGroupEntry(ti);
4519     node = getTreeInfoFromPos(node_first, entry_pos);
4520
4521     drawChooseTreeText(ti, i, FALSE);
4522
4523     if (node->parent_link)
4524       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4525     else if (node->level_group)
4526       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4527     else
4528       initCursor(i, IMG_MENU_BUTTON);
4529
4530     if (game_status == GAME_MODE_SCORES && node->pos == scores.last_added)
4531       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4532
4533     if (game_status == GAME_MODE_NAMES)
4534       drawChooseTreeEdit(i, FALSE);
4535   }
4536
4537   redraw_mask |= REDRAW_FIELD;
4538 }
4539
4540 static void drawChooseTreeInfo(TreeInfo *ti)
4541 {
4542   int entry_pos = ti->cl_first + ti->cl_cursor;
4543   int last_redraw_mask = redraw_mask;
4544   int ypos = MENU_TITLE2_YPOS;
4545   int font_nr = FONT_TITLE_2;
4546   int x;
4547
4548   if (ti->type == TREE_TYPE_LEVEL_NR)
4549     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4550
4551   if (ti->type == TREE_TYPE_SCORE_ENTRY)
4552     DrawTextFCentered(ypos, font_nr, "HighScores of Level %d",
4553                       scores.last_level_nr);
4554
4555   if (ti->type != TREE_TYPE_LEVEL_DIR)
4556     return;
4557
4558   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4559   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4560
4561   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4562
4563   if (node->parent_link)
4564     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4565                       node->node_parent->name);
4566   else if (node->level_group)
4567     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4568                       node->name);
4569   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4570     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4571                       node->levels, (node->levels > 1 ? "levels" : "level"),
4572                       node->class_desc);
4573
4574   // let BackToFront() redraw only what is needed
4575   redraw_mask = last_redraw_mask;
4576   for (x = 0; x < SCR_FIELDX; x++)
4577     MarkTileDirty(x, 1);
4578 }
4579
4580 static void drawChooseTreeCursorAndText(TreeInfo *ti, boolean active)
4581 {
4582   drawChooseTreeCursor(ti->cl_cursor, active);
4583   drawChooseTreeText(ti, ti->cl_cursor, active);
4584 }
4585
4586 static void drawChooseTreeScreen(TreeInfo *ti)
4587 {
4588   drawChooseTreeHead(ti);
4589   drawChooseTreeList(ti);
4590   drawChooseTreeInfo(ti);
4591   drawChooseTreeCursorAndText(ti, TRUE);
4592
4593   AdjustChooseTreeScrollbar(ti, SCREEN_CTRL_ID_SCROLL_VERTICAL);
4594
4595   // scroll bar and buttons may just have been added after reloading scores
4596   if (game_status == GAME_MODE_SCORES)
4597     MapScreenTreeGadgets(ti);
4598 }
4599
4600 static void drawChooseTreeScreen_Scores_NotAvailable(void)
4601 {
4602   // dirty workaround to use spacing definitions from info screen
4603   info_mode = INFO_MODE_TITLE;
4604
4605   char *text_info = "HighScores of Level %d";
4606   char *text_title = "Score information:";
4607   char *text_error = "No scores for this level.";
4608   char *text_foot = "Press any key or button for main menu";
4609   int font_info = FONT_TITLE_2;
4610   int font_title = FONT_INITIAL_3;
4611   int font_error = FONT_INITIAL_4;
4612   int font_foot  = FONT_INITIAL_2;
4613   int spacing_title = menu.headline1_spacing_info[INFO_MODE_TITLE];
4614   int ystep_title = getMenuTextStep(spacing_title, font_title);
4615   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
4616   int ystart2 = ystart1 + ystep_title;
4617   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
4618   int ystart0 = MENU_TITLE2_YPOS;
4619
4620   drawChooseTreeHeadExt(TREE_TYPE_SCORE_ENTRY, INFOTEXT_SCORE_ENTRY);
4621   DrawTextFCentered(ystart0, font_info, text_info, scores.last_level_nr);
4622
4623   DrawTextSCentered(ystart1, font_title, text_title);
4624   DrawTextSCentered(ystart2, font_error, text_error);
4625
4626   DrawTextSCentered(ybottom, font_foot, text_foot);
4627 }
4628
4629 static TreeInfo *setHallOfFameActiveEntry(TreeInfo **ti_ptr)
4630 {
4631   int score_pos = scores.last_added;
4632
4633   if (game_status_last_screen == GAME_MODE_SCOREINFO)
4634     score_pos = scores.last_entry_nr;
4635
4636   // set current tree entry to last added score entry
4637   *ti_ptr = getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
4638
4639   // if that fails, set current tree entry to first entry (back link)
4640   if (*ti_ptr == NULL)
4641     *ti_ptr = score_entries->node_group;
4642
4643   int num_entries = numTreeInfoInGroup(*ti_ptr);
4644   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4645   int pos_score = getPosFromTreeInfo(*ti_ptr);
4646   int pos_first_raw = pos_score - (num_page_entries + 1) / 2 + 1;
4647   int pos_first = MIN(MAX(0, pos_first_raw), num_entries - num_page_entries);
4648
4649   (*ti_ptr)->cl_first = pos_first;
4650   (*ti_ptr)->cl_cursor = pos_score - pos_first;
4651
4652   return *ti_ptr;
4653 }
4654
4655 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4656                              TreeInfo **ti_ptr)
4657 {
4658   TreeInfo *ti = *ti_ptr;
4659   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4660   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4661   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4662   int sx1_edit_name = getChooseTreeEditXPosReal(POS_LEFT);
4663   int sx2_edit_name = getChooseTreeEditXPosReal(POS_RIGHT);
4664   int x = 0;
4665   int y = (ti != NULL ? ti->cl_cursor : 0);
4666   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4667   int num_entries = numTreeInfoInGroup(ti);
4668   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4669   boolean position_set_by_scrollbar = (dx == 999);
4670   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
4671   boolean button_is_valid = (mx >= 0 && my >= 0);
4672   boolean button_screen_clicked = (button_action && button_is_valid);
4673
4674   if (game_status == GAME_MODE_SCORES)
4675   {
4676     if (server_scores.updated)
4677     {
4678       // reload scores, using updated server score cache file
4679       LoadLocalAndServerScore(scores.last_level_nr, FALSE);
4680
4681       server_scores.updated = FALSE;
4682
4683       DrawHallOfFame_setScoreEntries();
4684
4685       if (score_entries != NULL)
4686       {
4687         ti = setHallOfFameActiveEntry(ti_ptr);
4688
4689         if (button != MB_MENU_INITIALIZE)
4690           drawChooseTreeScreen(ti);
4691       }
4692     }
4693
4694     if (score_entries == NULL)
4695     {
4696       if (button == MB_MENU_INITIALIZE)
4697       {
4698         drawChooseTreeScreen_Scores_NotAvailable();
4699       }
4700       else if (button_screen_clicked)
4701       {
4702         PlaySound(SND_MENU_ITEM_SELECTING);
4703
4704         SetGameStatus(GAME_MODE_MAIN);
4705
4706         DrawMainMenu();
4707       }
4708
4709       return;
4710     }
4711   }
4712
4713   if (button == MB_MENU_INITIALIZE)
4714   {
4715     int num_entries = numTreeInfoInGroup(ti);
4716     int entry_pos = getPosFromTreeInfo(ti);
4717
4718     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4719     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4720
4721     if (game_status == GAME_MODE_SCORES)
4722     {
4723       ti = setHallOfFameActiveEntry(ti_ptr);
4724     }
4725     else if (ti->cl_first == -1)
4726     {
4727       // only on initialization
4728       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4729       ti->cl_cursor = entry_pos - ti->cl_first;
4730
4731     }
4732     else if (ti->cl_cursor >= num_page_entries ||
4733              (num_entries > num_page_entries &&
4734               num_entries - ti->cl_first < num_page_entries))
4735     {
4736       // only after change of list size (by custom graphic configuration)
4737       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4738       ti->cl_cursor = entry_pos - ti->cl_first;
4739     }
4740
4741     if (position_set_by_scrollbar)
4742       ti->cl_first = dy;
4743
4744     drawChooseTreeScreen(ti);
4745
4746     return;
4747   }
4748   else if (button == MB_MENU_LEAVE)
4749   {
4750     if (game_status != GAME_MODE_SCORES)
4751       FadeSetLeaveMenu();
4752
4753     PlaySound(SND_MENU_ITEM_SELECTING);
4754
4755     if (ti->node_parent)
4756     {
4757       *ti_ptr = ti->node_parent;
4758       DrawChooseTree(ti_ptr);
4759     }
4760     else if (game_status == GAME_MODE_SETUP)
4761     {
4762       if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4763           setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4764           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4765           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4766         execSetupGame();
4767       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4768                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4769                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4770                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4771         execSetupGraphics();
4772       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4773                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4774                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4775         execSetupSound();
4776       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4777                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4778                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4779                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4780                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4781                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4782                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4783                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4784         execSetupTouch();
4785       else
4786         execSetupArtwork();
4787     }
4788     else
4789     {
4790       if (game_status == GAME_MODE_LEVELNR)
4791       {
4792         int new_level_nr = atoi(level_number_current->identifier);
4793
4794         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4795       }
4796
4797       SetGameStatus(GAME_MODE_MAIN);
4798
4799       DrawMainMenu();
4800     }
4801
4802     return;
4803   }
4804
4805 #if defined(PLATFORM_ANDROID)
4806   // touching the screen anywhere continues playing the next level
4807   if ((mx || my) && scores.continue_playing)
4808   {
4809     mx = my = 0;
4810     button = MB_MENU_CHOICE;
4811   }
4812 #endif
4813
4814   // any mouse click or cursor key stops leaving scores by "Return" key
4815   if ((mx || my || dx || dy) && scores.continue_on_return)
4816   {
4817     scores.continue_on_return = FALSE;
4818     level_nr = scores.last_level_nr;
4819     LoadLevel(level_nr);
4820   }
4821
4822   if (mx || my)         // mouse input
4823   {
4824     x = (mx - amSX) / 32;
4825     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4826
4827     if (game_status == GAME_MODE_NAMES)
4828       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4829   }
4830   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4831   {
4832     // move cursor instead of scrolling when already at start/end of list
4833     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4834       dy = -1;
4835     else if (dy == +1 * SCROLL_LINE &&
4836              ti->cl_first + num_page_entries == num_entries)
4837       dy = 1;
4838
4839     // handle scrolling screen one line or page
4840     if (ti->cl_cursor + dy < 0 ||
4841         ti->cl_cursor + dy > num_page_entries - 1)
4842     {
4843       boolean redraw = FALSE;
4844
4845       if (ABS(dy) == SCROLL_PAGE)
4846         step = num_page_entries - 1;
4847
4848       if (dy < 0 && ti->cl_first > 0)
4849       {
4850         // scroll page/line up
4851
4852         ti->cl_first -= step;
4853         if (ti->cl_first < 0)
4854           ti->cl_first = 0;
4855
4856         redraw = TRUE;
4857       }
4858       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4859       {
4860         // scroll page/line down
4861
4862         ti->cl_first += step;
4863         if (ti->cl_first + num_page_entries > num_entries)
4864           ti->cl_first = MAX(0, num_entries - num_page_entries);
4865
4866         redraw = TRUE;
4867       }
4868
4869       if (redraw)
4870         drawChooseTreeScreen(ti);
4871
4872       return;
4873     }
4874
4875     // handle moving cursor one line
4876     y = ti->cl_cursor + dy;
4877   }
4878
4879   if (game_status == GAME_MODE_SCORES && ABS(dx) == 1)
4880   {
4881     HandleHallOfFame_SelectLevel(1, dx);
4882
4883     return;
4884   }
4885   else if (dx == 1)
4886   {
4887     TreeInfo *node_first, *node_cursor;
4888     int entry_pos = ti->cl_first + y;
4889
4890     node_first = getTreeInfoFirstGroupEntry(ti);
4891     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4892
4893     if (node_cursor->node_group)
4894     {
4895       FadeSetEnterMenu();
4896
4897       PlaySound(SND_MENU_ITEM_SELECTING);
4898
4899       node_cursor->cl_first = ti->cl_first;
4900       node_cursor->cl_cursor = ti->cl_cursor;
4901       *ti_ptr = node_cursor->node_group;
4902       DrawChooseTree(ti_ptr);
4903
4904       return;
4905     }
4906   }
4907   else if (dx == -1 && ti->node_parent)
4908   {
4909     FadeSetLeaveMenu();
4910
4911     PlaySound(SND_MENU_ITEM_SELECTING);
4912
4913     *ti_ptr = ti->node_parent;
4914     DrawChooseTree(ti_ptr);
4915
4916     return;
4917   }
4918
4919   if (!anyScrollbarGadgetActive() &&
4920       IN_VIS_MENU(x, y) &&
4921       mx < mx_right_border &&
4922       y >= 0 && y < num_page_entries)
4923   {
4924     if (button)
4925     {
4926       if (game_status == GAME_MODE_NAMES)
4927       {
4928         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4929           drawChooseTreeEdit(y, TRUE);
4930       }
4931
4932       if (y != ti->cl_cursor)
4933       {
4934         PlaySound(SND_MENU_ITEM_ACTIVATING);
4935
4936         drawChooseTreeCursorAndText(ti, FALSE);
4937
4938         ti->cl_cursor = y;
4939
4940         drawChooseTreeCursorAndText(ti, TRUE);
4941
4942         drawChooseTreeInfo(ti);
4943       }
4944       else if (dx < 0)
4945       {
4946         if (game_status == GAME_MODE_SETUP)
4947         {
4948           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
4949               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4950               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4951               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4952             execSetupGame();
4953           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4954                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4955                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4956                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4957             execSetupGraphics();
4958           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4959                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4960                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4961             execSetupSound();
4962           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4963                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4964                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4965                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4966                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4967                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4968                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4969                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4970             execSetupTouch();
4971           else
4972             execSetupArtwork();
4973         }
4974       }
4975     }
4976     else
4977     {
4978       TreeInfo *node_first, *node_cursor;
4979       int entry_pos = ti->cl_first + y;
4980
4981       PlaySound(SND_MENU_ITEM_SELECTING);
4982
4983       node_first = getTreeInfoFirstGroupEntry(ti);
4984       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4985
4986       if (node_cursor->node_group)
4987       {
4988         FadeSetEnterMenu();
4989
4990         node_cursor->cl_first = ti->cl_first;
4991         node_cursor->cl_cursor = ti->cl_cursor;
4992         *ti_ptr = node_cursor->node_group;
4993         DrawChooseTree(ti_ptr);
4994       }
4995       else if (node_cursor->parent_link)
4996       {
4997         if (game_status != GAME_MODE_SCORES)
4998           FadeSetLeaveMenu();
4999
5000         *ti_ptr = node_cursor->node_parent;
5001         DrawChooseTree(ti_ptr);
5002       }
5003       else
5004       {
5005         if (game_status != GAME_MODE_SCORES)
5006           FadeSetEnterMenu();
5007
5008         node_cursor->cl_first = ti->cl_first;
5009         node_cursor->cl_cursor = ti->cl_cursor;
5010         *ti_ptr = node_cursor;
5011
5012         if (ti->type == TREE_TYPE_LEVEL_DIR)
5013         {
5014           LoadLevelSetup_SeriesInfo();
5015
5016           SaveLevelSetup_LastSeries();
5017           SaveLevelSetup_SeriesInfo();
5018           TapeErase();
5019         }
5020
5021         if (game_status == GAME_MODE_SETUP)
5022         {
5023           if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE ||
5024               setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5025               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5026               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5027             execSetupGame();
5028           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5029                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5030                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5031                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5032             execSetupGraphics();
5033           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5034                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5035                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5036             execSetupSound();
5037           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5038                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5039                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5040                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5041                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5042                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5043                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5044                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5045             execSetupTouch();
5046           else
5047             execSetupArtwork();
5048         }
5049         else
5050         {
5051           if (game_status == GAME_MODE_LEVELNR)
5052           {
5053             int new_level_nr = atoi(level_number_current->identifier);
5054
5055             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5056           }
5057           else if (game_status == GAME_MODE_LEVELS)
5058           {
5059             // store level set if chosen from "last played level set" menu
5060             StoreLastPlayedLevels(leveldir_current);
5061           }
5062           else if (game_status == GAME_MODE_NAMES)
5063           {
5064             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5065             {
5066               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5067
5068               DrawTypeName();
5069
5070               return;
5071             }
5072
5073             // change active user to selected user
5074             user.nr = entry_pos;
5075
5076             // save number of new active user
5077             SaveUserSetup();
5078
5079             // load setup of new active user
5080             LoadSetup();
5081
5082             // load last level set of new active user
5083             LoadLevelSetup_LastSeries();
5084             LoadLevelSetup_SeriesInfo();
5085
5086             // update list of last played level sets
5087             UpdateLastPlayedLevels_TreeInfo();
5088
5089             TapeErase();
5090
5091             ToggleFullscreenIfNeeded();
5092             ChangeWindowScalingIfNeeded();
5093
5094             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5095             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5096             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5097           }
5098           else if (game_status == GAME_MODE_SCORES)
5099           {
5100             if (scores.continue_playing && scores.continue_on_return)
5101             {
5102               StartPlayingFromHallOfFame();
5103
5104               return;
5105             }
5106             else if (!scores.continue_on_return)
5107             {
5108               SetGameStatus(GAME_MODE_SCOREINFO);
5109
5110               DrawScoreInfo(node_cursor->pos);
5111
5112               return;
5113             }
5114           }
5115
5116           SetGameStatus(GAME_MODE_MAIN);
5117
5118           DrawMainMenu();
5119         }
5120       }
5121     }
5122   }
5123
5124   if (game_status == GAME_MODE_SCORES)
5125     PlayMenuSoundIfLoop();
5126 }
5127
5128 void DrawChoosePlayerName(void)
5129 {
5130   int i;
5131
5132   if (player_name != NULL)
5133   {
5134     freeTreeInfo(player_name);
5135
5136     player_name = NULL;
5137   }
5138
5139   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5140   {
5141     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5142     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5143     int value = i;
5144
5145     ti->node_top = &player_name;
5146     ti->sort_priority = 10000 + value;
5147     ti->color = getPlayerNameColor(global.user_names[i]);
5148
5149     snprintf(identifier, sizeof(identifier), "%d", value);
5150     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5151
5152     setString(&ti->identifier, identifier);
5153     setString(&ti->name, name);
5154     setString(&ti->name_sorting, name);
5155
5156     pushTreeInfo(&player_name, ti);
5157   }
5158
5159   // sort player entries by player number
5160   sortTreeInfo(&player_name);
5161
5162   // set current player entry to selected player entry
5163   player_name_current =
5164     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5165
5166   // if that fails, set current player name to first available name
5167   if (player_name_current == NULL)
5168     player_name_current = player_name;
5169
5170   // set text size for main name input (also used on name selection screen)
5171   InitializeMainControls();
5172
5173   DrawChooseTree(&player_name_current);
5174 }
5175
5176 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5177 {
5178   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5179 }
5180
5181 void DrawChooseLevelSet(void)
5182 {
5183   DrawChooseTree(&leveldir_current);
5184 }
5185
5186 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5187 {
5188   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5189 }
5190
5191 void DrawChooseLevelNr(void)
5192 {
5193   int i;
5194
5195   if (level_number != NULL)
5196   {
5197     freeTreeInfo(level_number);
5198
5199     level_number = NULL;
5200   }
5201
5202   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5203   {
5204     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5205     char identifier[32], name[64];
5206     int value = i;
5207
5208     // temporarily load level info to get level name
5209     LoadLevelInfoOnly(i);
5210
5211     ti->node_top = &level_number;
5212     ti->sort_priority = 10000 + value;
5213     ti->color = (level.no_level_file ? FC_BLUE :
5214                  LevelStats_getSolved(i) ? FC_GREEN :
5215                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5216
5217     snprintf(identifier, sizeof(identifier), "%d", value);
5218     snprintf(name, sizeof(name), "%03d: %s", value,
5219              (level.no_level_file ? "(no file)" : level.name));
5220
5221     setString(&ti->identifier, identifier);
5222     setString(&ti->name, name);
5223     setString(&ti->name_sorting, name);
5224
5225     pushTreeInfo(&level_number, ti);
5226   }
5227
5228   // sort level number values to start with lowest level number
5229   sortTreeInfo(&level_number);
5230
5231   // set current level number to current level number
5232   level_number_current =
5233     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5234
5235   // if that also fails, set current level number to first available level
5236   if (level_number_current == NULL)
5237     level_number_current = level_number;
5238
5239   DrawChooseTree(&level_number_current);
5240 }
5241
5242 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5243 {
5244   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5245 }
5246
5247 static void DrawHallOfFame_setScoreEntries(void)
5248 {
5249   int max_empty_entries = 10;   // at least show "top ten" list, if empty
5250   int max_visible_entries = NUM_MENU_ENTRIES_ON_SCREEN - 1;   // w/o back link
5251   int min_score_entries = MIN(max_empty_entries, max_visible_entries);
5252   int score_pos = (scores.last_added >= 0 ? scores.last_added : 0);
5253   int i;
5254
5255   if (score_entries != NULL)
5256   {
5257     freeTreeInfo(score_entries);
5258
5259     score_entries = NULL;
5260   }
5261
5262   for (i = 0; i < MAX_SCORE_ENTRIES; i++)
5263   {
5264     // do not add empty score entries if off-screen
5265     if (scores.entry[i].score == 0 &&
5266         scores.entry[i].time == 0 &&
5267         i >= min_score_entries)
5268       break;
5269
5270     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_SCORE_ENTRY);
5271     char identifier[32], name[64];
5272     int value = i;
5273
5274     ti->node_top = &score_entries;
5275     ti->sort_priority = 10000 + value;
5276     ti->color = FC_YELLOW;
5277     ti->pos = i;
5278
5279     snprintf(identifier, sizeof(identifier), "%d", value);
5280     snprintf(name, sizeof(name), "%03d.", value + 1);
5281
5282     setString(&ti->identifier, identifier);
5283     setString(&ti->name, name);
5284     setString(&ti->name_sorting, name);
5285
5286     pushTreeInfo(&score_entries, ti);
5287   }
5288
5289   // sort score entries to start with highest score entry
5290   sortTreeInfo(&score_entries);
5291
5292   // add top tree node to create back link to main menu
5293   score_entries = addTopTreeInfoNode(score_entries);
5294
5295   // set current score entry to last added or highest score entry
5296   score_entry_current =
5297     getTreeInfoFromIdentifier(score_entries, i_to_a(score_pos));
5298
5299   // if that fails, set current score entry to first valid score entry
5300   if (score_entry_current == NULL)
5301     score_entry_current = getFirstValidTreeInfoEntry(score_entries);
5302
5303   // ("score_entries" and "score_entry_current" may be NULL here)
5304 }
5305
5306 void DrawHallOfFame(int nr)
5307 {
5308   scores.last_level_nr = nr;
5309   scores.continue_on_return = (game_status_last_screen == GAME_MODE_PLAYING);
5310
5311   // (this is needed when called from GameEnd() after winning a game)
5312   KeyboardAutoRepeatOn();
5313
5314   // (this is needed when called from GameEnd() after winning a game)
5315   SetDrawDeactivationMask(REDRAW_NONE);
5316   SetDrawBackgroundMask(REDRAW_FIELD);
5317
5318   LoadLocalAndServerScore(scores.last_level_nr, TRUE);
5319
5320   DrawHallOfFame_setScoreEntries();
5321
5322   if (scores.last_added >= 0)
5323     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5324
5325   FadeSetEnterScreen();
5326
5327   DrawChooseTree(&score_entry_current);
5328 }
5329
5330 static char *getHallOfFameRankText(int nr, int size)
5331 {
5332   static char rank_text[10];
5333   boolean forced = (scores.force_last_added && nr == scores.last_added);
5334   char *rank_text_raw = (forced ? "???" : int2str(nr + 1, size));
5335
5336   sprintf(rank_text, "%s%s", rank_text_raw, (size > 0 || !forced ? "." : ""));
5337
5338   return rank_text;
5339 }
5340
5341 static char *getHallOfFameTimeText(int nr)
5342 {
5343   static char score_text[10];
5344   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5345   int mm = (time_seconds / 60) % 60;
5346   int ss = (time_seconds % 60);
5347
5348   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5349
5350   return score_text;
5351 }
5352
5353 static char *getHallOfFameScoreText(int nr, int size)
5354 {
5355   if (!level.rate_time_over_score)
5356     return int2str(scores.entry[nr].score, size);       // show normal score
5357   else if (level.use_step_counter)
5358     return int2str(scores.entry[nr].time, size);        // show number of steps
5359   else
5360     return getHallOfFameTimeText(nr);                   // show playing time
5361 }
5362
5363 static char *getHallOfFameTapeDateText(struct ScoreEntry *entry)
5364 {
5365   static char tape_date[MAX_ISO_DATE_LEN + 1];
5366   int i, j;
5367
5368   if (!strEqual(entry->tape_date, UNKNOWN_NAME) ||
5369       strEqual(entry->tape_basename, UNDEFINED_FILENAME))
5370     return entry->tape_date;
5371
5372   for (i = 0, j = 0; i < 8; i++, j++)
5373   {
5374     tape_date[j] = entry->tape_basename[i];
5375
5376     if (i == 3 || i == 5)
5377       tape_date[++j] = '-';
5378   }
5379
5380   tape_date[MAX_ISO_DATE_LEN] = '\0';
5381
5382   return tape_date;
5383 }
5384
5385 static void HandleHallOfFame_SelectLevel(int step, int direction)
5386 {
5387   int old_level_nr = scores.last_level_nr;
5388   int new_level_nr = old_level_nr + step * direction;
5389
5390   if (new_level_nr < leveldir_current->first_level)
5391     new_level_nr = leveldir_current->first_level;
5392   if (new_level_nr > leveldir_current->last_level)
5393     new_level_nr = leveldir_current->last_level;
5394
5395   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
5396     new_level_nr = leveldir_current->handicap_level;
5397
5398   if (new_level_nr != old_level_nr)
5399   {
5400     PlaySound(SND_MENU_ITEM_SELECTING);
5401
5402     scores.last_level_nr = level_nr = new_level_nr;
5403     scores.last_entry_nr = 0;
5404
5405     LoadLevel(level_nr);
5406     LoadLocalAndServerScore(level_nr, TRUE);
5407
5408     DrawHallOfFame_setScoreEntries();
5409
5410     if (game_status == GAME_MODE_SCORES)
5411     {
5412       // force remapping optional gadgets (especially scroll bar)
5413       UnmapScreenTreeGadgets();
5414
5415       // redraw complete high score screen, as sub-title has changed
5416       ClearField();
5417
5418       // redraw level selection buttons (which have just been erased)
5419       RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5420
5421       HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, &score_entry_current);
5422     }
5423     else
5424     {
5425       DrawScoreInfo_Content(scores.last_entry_nr);
5426     }
5427
5428     SaveLevelSetup_SeriesInfo();
5429   }
5430 }
5431
5432 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5433 {
5434   HandleChooseTree(mx, my, dx, dy, button, &score_entry_current);
5435 }
5436
5437 static void DrawScoreInfo_Content(int entry_nr)
5438 {
5439   struct ScoreEntry *entry = &scores.entry[entry_nr];
5440   char *pos_text = getHallOfFameRankText(entry_nr, 0);
5441   char *tape_date = getHallOfFameTapeDateText(entry);
5442   int font_title = MENU_INFO_FONT_TITLE;
5443   int font_head  = MENU_INFO_FONT_HEAD;
5444   int font_text  = MENU_INFO_FONT_TEXT;
5445   int font_foot  = MENU_INFO_FONT_FOOT;
5446   int spacing_title = menu.headline1_spacing[GAME_MODE_SCOREINFO];
5447   int spacing_para  = menu.paragraph_spacing[GAME_MODE_SCOREINFO];
5448   int spacing_line  = menu.line_spacing[GAME_MODE_SCOREINFO];
5449   int xstep = getFontWidth(font_text);
5450   int ystep_title = getMenuTextStep(spacing_title, font_title);
5451   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
5452   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
5453   int xstart  = mSX - SX + menu.left_spacing[GAME_MODE_SCOREINFO];
5454   int ystart  = mSY - SY + menu.top_spacing[GAME_MODE_SCOREINFO];
5455   int ybottom = mSY - SY + SYSIZE - menu.bottom_spacing[GAME_MODE_SCOREINFO];
5456   int xstart1 = xstart + xstep;
5457   int xstart2 = xstart + xstep * 12;
5458   int select_x = SX + xstart1;
5459   int select_y1, select_y2;
5460   int play_x, play_y;
5461   int play_height = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]->height;
5462   boolean play_visible = !strEqual(tape_date, UNKNOWN_NAME);
5463   int font_width = getFontWidth(font_text);
5464   int font_height = getFontHeight(font_text);
5465   int tape_date_width  = getTextWidth(tape_date, font_text);
5466   int pad_left = xstart2;
5467   int pad_right = menu.right_spacing[GAME_MODE_SCOREINFO];
5468   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
5469   int max_lines_per_text = 5;
5470   int lines;
5471
5472   ClearField();
5473
5474   // redraw level selection buttons (which have just been erased)
5475   RedrawScreenMenuGadgets(SCREEN_MASK_SCORES);
5476
5477   if (score_entries == NULL)
5478   {
5479     drawChooseTreeScreen_Scores_NotAvailable();
5480
5481     return;
5482   }
5483
5484   drawChooseTreeHead(score_entries);
5485   drawChooseTreeInfo(score_entries);
5486
5487   DrawTextSCentered(ystart, font_title, "Score Information:");
5488   ystart += ystep_title;
5489
5490   DrawTextF(xstart1, ystart, font_head, "Level Set");
5491   lines = DrawTextBufferS(xstart2, ystart, leveldir_current->name, font_text,
5492                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5493                           TRUE, FALSE, FALSE);
5494   ystart += ystep_line + (lines > 0 ? lines - 1 : 0) * font_height;
5495
5496   DrawTextF(xstart1, ystart, font_head, "Level");
5497   lines = DrawTextBufferS(xstart2, ystart, level.name, font_text,
5498                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5499                           TRUE, FALSE, FALSE);
5500   ystart += ystep_para + (lines > 0 ? lines - 1 : 0) * font_height;
5501
5502   select_y1 = SY + ystart;
5503   ystart += graphic_info[IMG_MENU_BUTTON_PREV_SCORE].height;
5504
5505   DrawTextF(xstart1, ystart, font_head, "Rank");
5506   DrawTextF(xstart2, ystart, font_text, pos_text);
5507   ystart += ystep_line;
5508
5509   DrawTextF(xstart1, ystart, font_head, "Player");
5510   DrawTextF(xstart2, ystart, font_text, entry->name);
5511   ystart += ystep_line;
5512
5513   if (level.use_step_counter)
5514   {
5515     DrawTextF(xstart1, ystart, font_head, "Steps");
5516     DrawTextF(xstart2, ystart, font_text, int2str(entry->time, 5));
5517     ystart += ystep_line;
5518   }
5519   else
5520   {
5521     DrawTextF(xstart1, ystart, font_head, "Time");
5522     DrawTextF(xstart2, ystart, font_text, getHallOfFameTimeText(entry_nr));
5523     ystart += ystep_line;
5524   }
5525
5526   if (!level.rate_time_over_score || entry->score > 0)
5527   {
5528     DrawTextF(xstart1, ystart, font_head, "Score");
5529     DrawTextF(xstart2, ystart, font_text, int2str(entry->score, 5));
5530     ystart += ystep_line;
5531   }
5532
5533   ystart += ystep_line;
5534
5535   play_x = SX + xstart2 + tape_date_width + font_width;
5536   play_y = SY + ystart + (font_height - play_height) / 2;
5537
5538   DrawTextF(xstart1, ystart, font_head, "Tape Date");
5539   DrawTextF(xstart2, ystart, font_text, tape_date);
5540   ystart += ystep_line;
5541
5542   DrawTextF(xstart1, ystart, font_head, "Platform");
5543   DrawTextF(xstart2, ystart, font_text, entry->platform);
5544   ystart += ystep_line;
5545
5546   DrawTextF(xstart1, ystart, font_head, "Version");
5547   DrawTextF(xstart2, ystart, font_text, entry->version);
5548   ystart += ystep_line;
5549
5550   DrawTextF(xstart1, ystart, font_head, "Country");
5551   lines = DrawTextBufferS(xstart2, ystart, entry->country_name, font_text,
5552                           max_chars_per_line, -1, max_lines_per_text, 0, -1,
5553                           TRUE, FALSE, FALSE);
5554   ystart += ystep_line;
5555
5556   select_y2 = SY + ystart;
5557
5558   DrawTextSCentered(ybottom, font_foot, "Press any key or button to go back");
5559
5560   AdjustScoreInfoButtons_SelectScore(select_x, select_y1, select_y2);
5561   AdjustScoreInfoButtons_PlayTape(play_x, play_y, play_visible);
5562 }
5563
5564 static void DrawScoreInfo(int entry_nr)
5565 {
5566   scores.last_entry_nr = entry_nr;
5567   score_info_tape_play = FALSE;
5568
5569   UnmapAllGadgets();
5570
5571   FreeScreenGadgets();
5572   CreateScreenGadgets();
5573
5574   FadeOut(REDRAW_FIELD);
5575
5576   // needed if different viewport properties defined after playing score tape
5577   ChangeViewportPropertiesIfNeeded();
5578
5579   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
5580   SetDrawDeactivationMask(REDRAW_NONE);
5581   SetDrawBackgroundMask(REDRAW_FIELD);
5582
5583   // needed if different background image defined after playing score tape
5584   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5585   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_SCOREINFO);
5586
5587   // special compatibility handling for "Snake Bite" graphics set
5588   if (strPrefix(leveldir_current->identifier, "snake_bite"))
5589     ClearRectangle(gfx.background_bitmap, gfx.real_sx, gfx.real_sy + 64,
5590                    gfx.full_sxsize, gfx.full_sysize - 64);
5591
5592   DrawScoreInfo_Content(entry_nr);
5593
5594   // map gadgets for score info screen
5595   MapScreenMenuGadgets(SCREEN_MASK_SCORES_INFO);
5596
5597   FadeIn(REDRAW_FIELD);
5598 }
5599
5600 static void HandleScoreInfo_SelectScore(int step, int direction)
5601 {
5602   int old_entry_nr = scores.last_entry_nr;
5603   int new_entry_nr = old_entry_nr + step * direction;
5604   int num_nodes = numTreeInfoInGroup(score_entry_current);
5605   int num_entries = num_nodes - 1;      // score nodes only, without back link
5606
5607   if (new_entry_nr < 0)
5608     new_entry_nr = 0;
5609   if (new_entry_nr > num_entries - 1)
5610     new_entry_nr = num_entries - 1;
5611
5612   if (new_entry_nr != old_entry_nr)
5613   {
5614     scores.last_entry_nr = new_entry_nr;
5615
5616     DrawScoreInfo_Content(new_entry_nr);
5617   }
5618 }
5619
5620 static void HandleScoreInfo_PlayTape(void)
5621 {
5622   if (!PlayScoreTape(scores.last_entry_nr))
5623   {
5624     DrawScoreInfo_Content(scores.last_entry_nr);
5625
5626     FadeIn(REDRAW_FIELD);
5627   }
5628 }
5629
5630 void HandleScoreInfo(int mx, int my, int dx, int dy, int button)
5631 {
5632   boolean button_action = (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE);
5633   boolean button_is_valid = (mx >= 0 && my >= 0);
5634   boolean button_screen_clicked = (button_action && button_is_valid);
5635
5636   if (server_scores.updated)
5637   {
5638     // reload scores, using updated server score cache file
5639     LoadLocalAndServerScore(scores.last_level_nr, FALSE);
5640
5641     server_scores.updated = FALSE;
5642
5643     DrawHallOfFame_setScoreEntries();
5644
5645     DrawScoreInfo_Content(scores.last_entry_nr);
5646   }
5647
5648   if (button_screen_clicked)
5649   {
5650     PlaySound(SND_MENU_ITEM_SELECTING);
5651
5652     SetGameStatus(GAME_MODE_SCORES);
5653
5654     DrawHallOfFame(scores.last_level_nr);
5655   }
5656   else if (dx)
5657   {
5658     HandleHallOfFame_SelectLevel(1, SIGN(dx) * (ABS(dx) > 1 ? 10 : 1));
5659   }
5660   else if (dy)
5661   {
5662     HandleScoreInfo_SelectScore(1, SIGN(dy) * (ABS(dy) > 1 ? 10 : 1));
5663   }
5664 }
5665
5666
5667 // ============================================================================
5668 // setup screen functions
5669 // ============================================================================
5670
5671 static struct TokenInfo *setup_info;
5672 static int num_setup_info;      // number of setup entries shown on screen
5673 static int max_setup_info;      // total number of setup entries in list
5674
5675 static char *window_size_text;
5676 static char *scaling_type_text;
5677 static char *rendering_mode_text;
5678 static char *vsync_mode_text;
5679 static char *scroll_delay_text;
5680 static char *snapshot_mode_text;
5681 static char *game_speed_text;
5682 static char *scores_type_text;
5683 static char *network_server_text;
5684 static char *graphics_set_name;
5685 static char *sounds_set_name;
5686 static char *music_set_name;
5687 static char *volume_simple_text;
5688 static char *volume_loops_text;
5689 static char *volume_music_text;
5690 static char *touch_controls_text;
5691 static char *move_distance_text;
5692 static char *drop_distance_text;
5693 static char *transparency_text;
5694 static char *grid_size_text[2][2];
5695
5696 static void execSetupMain(void)
5697 {
5698   setup_mode = SETUP_MODE_MAIN;
5699
5700   DrawSetupScreen();
5701 }
5702
5703 static void execSetupGame_setScoresType(void)
5704 {
5705   if (scores_types == NULL)
5706   {
5707     int i;
5708
5709     for (i = 0; scores_types_list[i].value != NULL; i++)
5710     {
5711       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5712       char identifier[32], name[32];
5713       char *value = scores_types_list[i].value;
5714       char *text = scores_types_list[i].text;
5715
5716       ti->node_top = &scores_types;
5717       ti->sort_priority = i;
5718
5719       sprintf(identifier, "%s", value);
5720       sprintf(name, "%s", text);
5721
5722       setString(&ti->identifier, identifier);
5723       setString(&ti->name, name);
5724       setString(&ti->name_sorting, name);
5725       setString(&ti->infotext, STR_SETUP_CHOOSE_SCORES_TYPE);
5726
5727       pushTreeInfo(&scores_types, ti);
5728     }
5729
5730     // sort scores type values to start with lowest scores type value
5731     sortTreeInfo(&scores_types);
5732
5733     // set current scores type value to configured scores type value
5734     scores_type_current =
5735       getTreeInfoFromIdentifier(scores_types, setup.scores_in_highscore_list);
5736
5737     // if that fails, set current scores type to reliable default value
5738     if (scores_type_current == NULL)
5739       scores_type_current =
5740         getTreeInfoFromIdentifier(scores_types, STR_SCORES_TYPE_DEFAULT);
5741
5742     // if that also fails, set current scores type to first available value
5743     if (scores_type_current == NULL)
5744       scores_type_current = scores_types;
5745   }
5746
5747   setup.scores_in_highscore_list = scores_type_current->identifier;
5748
5749   // needed for displaying scores type text instead of identifier
5750   scores_type_text = scores_type_current->name;
5751 }
5752
5753 static void execSetupGame_setGameSpeeds(boolean update_value)
5754 {
5755   if (setup.game_speed_extended)
5756   {
5757     game_speeds_list = game_speeds_list_extended;
5758     game_speeds      = game_speeds_extended;
5759   }
5760   else
5761   {
5762     game_speeds_list = game_speeds_list_normal;
5763     game_speeds      = game_speeds_normal;
5764   }
5765
5766   if (game_speeds == NULL)
5767   {
5768     int i;
5769
5770     for (i = 0; game_speeds_list[i].value != -1; i++)
5771     {
5772       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5773       char identifier[32], name[32];
5774       int value = game_speeds_list[i].value;
5775       char *text = game_speeds_list[i].text;
5776
5777       ti->node_top = &game_speeds;
5778       ti->sort_priority = 10000 - value;
5779
5780       sprintf(identifier, "%d", value);
5781       sprintf(name, "%s", text);
5782
5783       setString(&ti->identifier, identifier);
5784       setString(&ti->name, name);
5785       setString(&ti->name_sorting, name);
5786       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5787
5788       pushTreeInfo(&game_speeds, ti);
5789     }
5790
5791     // sort game speed values to start with slowest game speed
5792     sortTreeInfo(&game_speeds);
5793
5794     update_value = TRUE;
5795   }
5796
5797   if (update_value)
5798   {
5799     // set current game speed to configured game speed value
5800     game_speed_current =
5801       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5802
5803     // if that fails, set current game speed to reliable default value
5804     if (game_speed_current == NULL)
5805       game_speed_current =
5806         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5807
5808     // if that also fails, set current game speed to first available speed
5809     if (game_speed_current == NULL)
5810       game_speed_current = game_speeds;
5811
5812     if (setup.game_speed_extended)
5813       game_speeds_extended = game_speeds;
5814     else
5815       game_speeds_normal = game_speeds;
5816   }
5817
5818   setup.game_frame_delay = atoi(game_speed_current->identifier);
5819
5820   // needed for displaying game speed text instead of identifier
5821   game_speed_text = game_speed_current->name;
5822 }
5823
5824 static void execSetupGame_setScrollDelays(void)
5825 {
5826   if (scroll_delays == NULL)
5827   {
5828     int i;
5829
5830     for (i = 0; scroll_delays_list[i].value != -1; i++)
5831     {
5832       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5833       char identifier[32], name[32];
5834       int value = scroll_delays_list[i].value;
5835       char *text = scroll_delays_list[i].text;
5836
5837       ti->node_top = &scroll_delays;
5838       ti->sort_priority = value;
5839
5840       sprintf(identifier, "%d", value);
5841       sprintf(name, "%s", text);
5842
5843       setString(&ti->identifier, identifier);
5844       setString(&ti->name, name);
5845       setString(&ti->name_sorting, name);
5846       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5847
5848       pushTreeInfo(&scroll_delays, ti);
5849     }
5850
5851     // sort scroll delay values to start with lowest scroll delay value
5852     sortTreeInfo(&scroll_delays);
5853
5854     // set current scroll delay value to configured scroll delay value
5855     scroll_delay_current =
5856       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5857
5858     // if that fails, set current scroll delay to reliable default value
5859     if (scroll_delay_current == NULL)
5860       scroll_delay_current =
5861         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5862
5863     // if that also fails, set current scroll delay to first available value
5864     if (scroll_delay_current == NULL)
5865       scroll_delay_current = scroll_delays;
5866   }
5867
5868   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5869
5870   // needed for displaying scroll delay text instead of identifier
5871   scroll_delay_text = scroll_delay_current->name;
5872 }
5873
5874 static void execSetupGame_setSnapshotModes(void)
5875 {
5876   if (snapshot_modes == NULL)
5877   {
5878     int i;
5879
5880     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5881     {
5882       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5883       char identifier[32], name[32];
5884       char *value = snapshot_modes_list[i].value;
5885       char *text = snapshot_modes_list[i].text;
5886
5887       ti->node_top = &snapshot_modes;
5888       ti->sort_priority = i;
5889
5890       sprintf(identifier, "%s", value);
5891       sprintf(name, "%s", text);
5892
5893       setString(&ti->identifier, identifier);
5894       setString(&ti->name, name);
5895       setString(&ti->name_sorting, name);
5896       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5897
5898       pushTreeInfo(&snapshot_modes, ti);
5899     }
5900
5901     // sort snapshot mode values to start with lowest snapshot mode value
5902     sortTreeInfo(&snapshot_modes);
5903
5904     // set current snapshot mode value to configured snapshot mode value
5905     snapshot_mode_current =
5906       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5907
5908     // if that fails, set current snapshot mode to reliable default value
5909     if (snapshot_mode_current == NULL)
5910       snapshot_mode_current =
5911         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5912
5913     // if that also fails, set current snapshot mode to first available value
5914     if (snapshot_mode_current == NULL)
5915       snapshot_mode_current = snapshot_modes;
5916   }
5917
5918   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5919
5920   // needed for displaying snapshot mode text instead of identifier
5921   snapshot_mode_text = snapshot_mode_current->name;
5922 }
5923
5924 static void execSetupGame_setNetworkServerText(void)
5925 {
5926   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5927   {
5928     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5929   }
5930   else
5931   {
5932     strncpy(network_server_hostname, setup.network_server_hostname,
5933             MAX_SETUP_TEXT_INPUT_LEN);
5934     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5935   }
5936
5937   // needed for displaying network server text instead of identifier
5938   network_server_text = network_server_hostname;
5939 }
5940
5941 static void execSetupGame(void)
5942 {
5943   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5944
5945   execSetupGame_setGameSpeeds(FALSE);
5946   execSetupGame_setScoresType();
5947   execSetupGame_setScrollDelays();
5948   execSetupGame_setSnapshotModes();
5949
5950   execSetupGame_setNetworkServerText();
5951
5952   if (!setup.provide_uploading_tapes)
5953     setHideSetupEntry(execOfferUploadTapes);
5954
5955   setup_mode = SETUP_MODE_GAME;
5956
5957   DrawSetupScreen();
5958
5959   // check if vsync needs to be disabled for this game speed to work
5960   if (check_vsync_mode)
5961     DisableVsyncIfNeeded();
5962 }
5963
5964 static void execSetupChooseScoresType(void)
5965 {
5966   setup_mode = SETUP_MODE_CHOOSE_SCORES_TYPE;
5967
5968   DrawSetupScreen();
5969 }
5970
5971 static void execSetupChooseGameSpeed(void)
5972 {
5973   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5974
5975   DrawSetupScreen();
5976 }
5977
5978 static void execSetupChooseScrollDelay(void)
5979 {
5980   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5981
5982   DrawSetupScreen();
5983 }
5984
5985 static void execSetupChooseSnapshotMode(void)
5986 {
5987   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5988
5989   DrawSetupScreen();
5990 }
5991
5992 static void execSetupEngines(void)
5993 {
5994   setup_mode = SETUP_MODE_ENGINES;
5995
5996   DrawSetupScreen();
5997 }
5998
5999 static void execSetupEditor(void)
6000 {
6001   setup_mode = SETUP_MODE_EDITOR;
6002
6003   DrawSetupScreen();
6004 }
6005
6006 static void execSetupGraphics_setWindowSizes(boolean update_list)
6007 {
6008   if (window_sizes != NULL && update_list)
6009   {
6010     freeTreeInfo(window_sizes);
6011
6012     window_sizes = NULL;
6013   }
6014
6015   if (window_sizes == NULL)
6016   {
6017     boolean current_window_size_found = FALSE;
6018     int i;
6019
6020     for (i = 0; window_sizes_list[i].value != -1; i++)
6021     {
6022       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6023       char identifier[32], name[32];
6024       int value = window_sizes_list[i].value;
6025       char *text = window_sizes_list[i].text;
6026
6027       ti->node_top = &window_sizes;
6028       ti->sort_priority = value;
6029
6030       sprintf(identifier, "%d", value);
6031       sprintf(name, "%s", text);
6032
6033       setString(&ti->identifier, identifier);
6034       setString(&ti->name, name);
6035       setString(&ti->name_sorting, name);
6036       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6037
6038       pushTreeInfo(&window_sizes, ti);
6039
6040       if (value == setup.window_scaling_percent)
6041         current_window_size_found = TRUE;
6042     }
6043
6044     if (!current_window_size_found)
6045     {
6046       // add entry for non-preset window scaling value
6047
6048       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6049       char identifier[32], name[32];
6050       int value = setup.window_scaling_percent;
6051
6052       ti->node_top = &window_sizes;
6053       ti->sort_priority = value;
6054
6055       sprintf(identifier, "%d", value);
6056       sprintf(name, "%d %% (Current)", value);
6057
6058       setString(&ti->identifier, identifier);
6059       setString(&ti->name, name);
6060       setString(&ti->name_sorting, name);
6061       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
6062
6063       pushTreeInfo(&window_sizes, ti);
6064     }
6065
6066     // sort window size values to start with lowest window size value
6067     sortTreeInfo(&window_sizes);
6068
6069     // set current window size value to configured window size value
6070     window_size_current =
6071       getTreeInfoFromIdentifier(window_sizes,
6072                                 i_to_a(setup.window_scaling_percent));
6073
6074     // if that fails, set current window size to reliable default value
6075     if (window_size_current == NULL)
6076       window_size_current =
6077         getTreeInfoFromIdentifier(window_sizes,
6078                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
6079
6080     // if that also fails, set current window size to first available value
6081     if (window_size_current == NULL)
6082       window_size_current = window_sizes;
6083   }
6084
6085   setup.window_scaling_percent = atoi(window_size_current->identifier);
6086
6087   // needed for displaying window size text instead of identifier
6088   window_size_text = window_size_current->name;
6089 }
6090
6091 static void execSetupGraphics_setScalingTypes(void)
6092 {
6093   if (scaling_types == NULL)
6094   {
6095     int i;
6096
6097     for (i = 0; scaling_types_list[i].value != NULL; i++)
6098     {
6099       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6100       char identifier[32], name[32];
6101       char *value = scaling_types_list[i].value;
6102       char *text = scaling_types_list[i].text;
6103
6104       ti->node_top = &scaling_types;
6105       ti->sort_priority = i;
6106
6107       sprintf(identifier, "%s", value);
6108       sprintf(name, "%s", text);
6109
6110       setString(&ti->identifier, identifier);
6111       setString(&ti->name, name);
6112       setString(&ti->name_sorting, name);
6113       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
6114
6115       pushTreeInfo(&scaling_types, ti);
6116     }
6117
6118     // sort scaling type values to start with lowest scaling type value
6119     sortTreeInfo(&scaling_types);
6120
6121     // set current scaling type value to configured scaling type value
6122     scaling_type_current =
6123       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
6124
6125     // if that fails, set current scaling type to reliable default value
6126     if (scaling_type_current == NULL)
6127       scaling_type_current =
6128         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
6129
6130     // if that also fails, set current scaling type to first available value
6131     if (scaling_type_current == NULL)
6132       scaling_type_current = scaling_types;
6133   }
6134
6135   setup.window_scaling_quality = scaling_type_current->identifier;
6136
6137   // needed for displaying scaling type text instead of identifier
6138   scaling_type_text = scaling_type_current->name;
6139 }
6140
6141 static void execSetupGraphics_setRenderingModes(void)
6142 {
6143   if (rendering_modes == NULL)
6144   {
6145     int i;
6146
6147     for (i = 0; rendering_modes_list[i].value != NULL; i++)
6148     {
6149       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6150       char identifier[32], name[32];
6151       char *value = rendering_modes_list[i].value;
6152       char *text = rendering_modes_list[i].text;
6153
6154       ti->node_top = &rendering_modes;
6155       ti->sort_priority = i;
6156
6157       sprintf(identifier, "%s", value);
6158       sprintf(name, "%s", text);
6159
6160       setString(&ti->identifier, identifier);
6161       setString(&ti->name, name);
6162       setString(&ti->name_sorting, name);
6163       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
6164
6165       pushTreeInfo(&rendering_modes, ti);
6166     }
6167
6168     // sort rendering mode values to start with lowest rendering mode value
6169     sortTreeInfo(&rendering_modes);
6170
6171     // set current rendering mode value to configured rendering mode value
6172     rendering_mode_current =
6173       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
6174
6175     // if that fails, set current rendering mode to reliable default value
6176     if (rendering_mode_current == NULL)
6177       rendering_mode_current =
6178         getTreeInfoFromIdentifier(rendering_modes,
6179                                   STR_SPECIAL_RENDERING_DEFAULT);
6180
6181     // if that also fails, set current rendering mode to first available one
6182     if (rendering_mode_current == NULL)
6183       rendering_mode_current = rendering_modes;
6184   }
6185
6186   setup.screen_rendering_mode = rendering_mode_current->identifier;
6187
6188   // needed for displaying rendering mode text instead of identifier
6189   rendering_mode_text = rendering_mode_current->name;
6190 }
6191
6192 static void execSetupGraphics_setVsyncModes(boolean update_value)
6193 {
6194   if (vsync_modes == NULL)
6195   {
6196     int i;
6197
6198     for (i = 0; vsync_modes_list[i].value != NULL; i++)
6199     {
6200       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6201       char identifier[32], name[32];
6202       char *value = vsync_modes_list[i].value;
6203       char *text = vsync_modes_list[i].text;
6204
6205       ti->node_top = &vsync_modes;
6206       ti->sort_priority = i;
6207
6208       sprintf(identifier, "%s", value);
6209       sprintf(name, "%s", text);
6210
6211       setString(&ti->identifier, identifier);
6212       setString(&ti->name, name);
6213       setString(&ti->name_sorting, name);
6214       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
6215
6216       pushTreeInfo(&vsync_modes, ti);
6217     }
6218
6219     // sort vsync mode values to start with lowest vsync mode value
6220     sortTreeInfo(&vsync_modes);
6221
6222     update_value = TRUE;
6223   }
6224
6225   if (update_value)
6226   {
6227     // set current vsync mode value to configured vsync mode value
6228     vsync_mode_current =
6229       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
6230
6231     // if that fails, set current vsync mode to reliable default value
6232     if (vsync_mode_current == NULL)
6233       vsync_mode_current =
6234         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
6235
6236     // if that also fails, set current vsync mode to first available one
6237     if (vsync_mode_current == NULL)
6238       vsync_mode_current = vsync_modes;
6239   }
6240
6241   setup.vsync_mode = vsync_mode_current->identifier;
6242
6243   // needed for displaying vsync mode text instead of identifier
6244   vsync_mode_text = vsync_mode_current->name;
6245 }
6246
6247 static void execSetupGraphics(void)
6248 {
6249   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
6250
6251   // update "setup.window_scaling_percent" from list selection
6252   // (in this case, window scaling was changed on setup screen)
6253   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
6254     execSetupGraphics_setWindowSizes(FALSE);
6255
6256   // update "setup.vsync_mode" from list selection
6257   // (in this case, vsync mode was changed on setup screen)
6258   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
6259     execSetupGraphics_setVsyncModes(FALSE);
6260
6261   // update list selection from "setup.window_scaling_percent"
6262   // (window scaling may have changed by resizing the window)
6263   execSetupGraphics_setWindowSizes(TRUE);
6264
6265   // update list selection from "setup.vsync_mode"
6266   // (vsync_mode may have changed by re-creating the renderer)
6267   execSetupGraphics_setVsyncModes(TRUE);
6268
6269   execSetupGraphics_setScalingTypes();
6270   execSetupGraphics_setRenderingModes();
6271
6272   setup_mode = SETUP_MODE_GRAPHICS;
6273
6274   DrawSetupScreen();
6275
6276   // check if game speed is high enough for 60 Hz vsync to work
6277   if (check_game_speed)
6278     ModifyGameSpeedIfNeeded();
6279
6280   // window scaling may have changed at this point
6281   ChangeWindowScalingIfNeeded();
6282
6283   // window scaling quality may have changed at this point
6284   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
6285     SDLSetWindowScalingQuality(setup.window_scaling_quality);
6286
6287   // screen rendering mode may have changed at this point
6288   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
6289
6290   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6291   int video_vsync_mode = video.vsync_mode;
6292
6293   // screen vsync mode may have changed at this point
6294   ChangeVsyncModeIfNeeded();
6295
6296   // check if setting vsync mode to selected value failed
6297   if (setup_vsync_mode != video_vsync_mode &&
6298       setup_vsync_mode != video.vsync_mode)
6299   {
6300     // changing vsync mode to selected value failed -- reset displayed value
6301     execSetupGraphics_setVsyncModes(TRUE);
6302
6303     Request("Setting VSync failed!", REQ_CONFIRM);
6304
6305     DrawSetupScreen();
6306   }
6307 }
6308
6309 static void execSetupChooseWindowSize(void)
6310 {
6311   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6312
6313   DrawSetupScreen();
6314 }
6315
6316 static void execSetupChooseScalingType(void)
6317 {
6318   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6319
6320   DrawSetupScreen();
6321 }
6322
6323 static void execSetupChooseRenderingMode(void)
6324 {
6325   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6326
6327   DrawSetupScreen();
6328 }
6329
6330 static void execSetupChooseVsyncMode(void)
6331 {
6332   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6333
6334   DrawSetupScreen();
6335 }
6336
6337 static void execSetupChooseVolumeSimple(void)
6338 {
6339   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6340
6341   DrawSetupScreen();
6342 }
6343
6344 static void execSetupChooseVolumeLoops(void)
6345 {
6346   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6347
6348   DrawSetupScreen();
6349 }
6350
6351 static void execSetupChooseVolumeMusic(void)
6352 {
6353   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6354
6355   DrawSetupScreen();
6356 }
6357
6358 static void execSetupSound(void)
6359 {
6360   if (volumes_simple == NULL)
6361   {
6362     boolean current_volume_simple_found = FALSE;
6363     int i;
6364
6365     for (i = 0; volumes_list[i].value != -1; i++)
6366     {
6367       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6368       char identifier[32], name[32];
6369       int value = volumes_list[i].value;
6370       char *text = volumes_list[i].text;
6371
6372       ti->node_top = &volumes_simple;
6373       ti->sort_priority = value;
6374
6375       sprintf(identifier, "%d", value);
6376       sprintf(name, "%s", text);
6377
6378       setString(&ti->identifier, identifier);
6379       setString(&ti->name, name);
6380       setString(&ti->name_sorting, name);
6381       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6382
6383       pushTreeInfo(&volumes_simple, ti);
6384
6385       if (value == setup.volume_simple)
6386         current_volume_simple_found = TRUE;
6387     }
6388
6389     if (!current_volume_simple_found)
6390     {
6391       // add entry for non-preset volume value
6392
6393       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6394       char identifier[32], name[32];
6395       int value = setup.volume_simple;
6396
6397       ti->node_top = &volumes_simple;
6398       ti->sort_priority = value;
6399
6400       sprintf(identifier, "%d", value);
6401       sprintf(name, "%d %% (Current)", value);
6402
6403       setString(&ti->identifier, identifier);
6404       setString(&ti->name, name);
6405       setString(&ti->name_sorting, name);
6406       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6407
6408       pushTreeInfo(&volumes_simple, ti);
6409     }
6410
6411     // sort volume values to start with lowest volume value
6412     sortTreeInfo(&volumes_simple);
6413
6414     // set current volume value to configured volume value
6415     volume_simple_current =
6416       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6417
6418     // if that fails, set current volume to reliable default value
6419     if (volume_simple_current == NULL)
6420       volume_simple_current =
6421         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6422
6423     // if that also fails, set current volume to first available value
6424     if (volume_simple_current == NULL)
6425       volume_simple_current = volumes_simple;
6426   }
6427
6428   if (volumes_loops == NULL)
6429   {
6430     boolean current_volume_loops_found = FALSE;
6431     int i;
6432
6433     for (i = 0; volumes_list[i].value != -1; i++)
6434     {
6435       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6436       char identifier[32], name[32];
6437       int value = volumes_list[i].value;
6438       char *text = volumes_list[i].text;
6439
6440       ti->node_top = &volumes_loops;
6441       ti->sort_priority = value;
6442
6443       sprintf(identifier, "%d", value);
6444       sprintf(name, "%s", text);
6445
6446       setString(&ti->identifier, identifier);
6447       setString(&ti->name, name);
6448       setString(&ti->name_sorting, name);
6449       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6450
6451       pushTreeInfo(&volumes_loops, ti);
6452
6453       if (value == setup.volume_loops)
6454         current_volume_loops_found = TRUE;
6455     }
6456
6457     if (!current_volume_loops_found)
6458     {
6459       // add entry for non-preset volume value
6460
6461       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6462       char identifier[32], name[32];
6463       int value = setup.volume_loops;
6464
6465       ti->node_top = &volumes_loops;
6466       ti->sort_priority = value;
6467
6468       sprintf(identifier, "%d", value);
6469       sprintf(name, "%d %% (Current)", value);
6470
6471       setString(&ti->identifier, identifier);
6472       setString(&ti->name, name);
6473       setString(&ti->name_sorting, name);
6474       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6475
6476       pushTreeInfo(&volumes_loops, ti);
6477     }
6478
6479     // sort volume values to start with lowest volume value
6480     sortTreeInfo(&volumes_loops);
6481
6482     // set current volume value to configured volume value
6483     volume_loops_current =
6484       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6485
6486     // if that fails, set current volume to reliable default value
6487     if (volume_loops_current == NULL)
6488       volume_loops_current =
6489         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6490
6491     // if that also fails, set current volume to first available value
6492     if (volume_loops_current == NULL)
6493       volume_loops_current = volumes_loops;
6494   }
6495
6496   if (volumes_music == NULL)
6497   {
6498     boolean current_volume_music_found = FALSE;
6499     int i;
6500
6501     for (i = 0; volumes_list[i].value != -1; i++)
6502     {
6503       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6504       char identifier[32], name[32];
6505       int value = volumes_list[i].value;
6506       char *text = volumes_list[i].text;
6507
6508       ti->node_top = &volumes_music;
6509       ti->sort_priority = value;
6510
6511       sprintf(identifier, "%d", value);
6512       sprintf(name, "%s", text);
6513
6514       setString(&ti->identifier, identifier);
6515       setString(&ti->name, name);
6516       setString(&ti->name_sorting, name);
6517       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6518
6519       pushTreeInfo(&volumes_music, ti);
6520
6521       if (value == setup.volume_music)
6522         current_volume_music_found = TRUE;
6523     }
6524
6525     if (!current_volume_music_found)
6526     {
6527       // add entry for non-preset volume value
6528
6529       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6530       char identifier[32], name[32];
6531       int value = setup.volume_music;
6532
6533       ti->node_top = &volumes_music;
6534       ti->sort_priority = value;
6535
6536       sprintf(identifier, "%d", value);
6537       sprintf(name, "%d %% (Current)", value);
6538
6539       setString(&ti->identifier, identifier);
6540       setString(&ti->name, name);
6541       setString(&ti->name_sorting, name);
6542       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6543
6544       pushTreeInfo(&volumes_music, ti);
6545     }
6546
6547     // sort volume values to start with lowest volume value
6548     sortTreeInfo(&volumes_music);
6549
6550     // set current volume value to configured volume value
6551     volume_music_current =
6552       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6553
6554     // if that fails, set current volume to reliable default value
6555     if (volume_music_current == NULL)
6556       volume_music_current =
6557         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6558
6559     // if that also fails, set current volume to first available value
6560     if (volume_music_current == NULL)
6561       volume_music_current = volumes_music;
6562   }
6563
6564   setup.volume_simple = atoi(volume_simple_current->identifier);
6565   setup.volume_loops  = atoi(volume_loops_current->identifier);
6566   setup.volume_music  = atoi(volume_music_current->identifier);
6567
6568   // needed for displaying volume text instead of identifier
6569   volume_simple_text = volume_simple_current->name;
6570   volume_loops_text = volume_loops_current->name;
6571   volume_music_text = volume_music_current->name;
6572
6573   setup_mode = SETUP_MODE_SOUND;
6574
6575   DrawSetupScreen();
6576 }
6577
6578 static void execSetupChooseTouchControls(void)
6579 {
6580   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6581
6582   DrawSetupScreen();
6583 }
6584
6585 static void execSetupChooseMoveDistance(void)
6586 {
6587   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6588
6589   DrawSetupScreen();
6590 }
6591
6592 static void execSetupChooseDropDistance(void)
6593 {
6594   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6595
6596   DrawSetupScreen();
6597 }
6598
6599 static void execSetupChooseTransparency(void)
6600 {
6601   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6602
6603   DrawSetupScreen();
6604 }
6605
6606 static void execSetupChooseGridXSize_0(void)
6607 {
6608   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6609
6610   DrawSetupScreen();
6611 }
6612
6613 static void execSetupChooseGridYSize_0(void)
6614 {
6615   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6616
6617   DrawSetupScreen();
6618 }
6619
6620 static void execSetupChooseGridXSize_1(void)
6621 {
6622   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6623
6624   DrawSetupScreen();
6625 }
6626
6627 static void execSetupChooseGridYSize_1(void)
6628 {
6629   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6630
6631   DrawSetupScreen();
6632 }
6633
6634 static void execSetupConfigureVirtualButtons(void)
6635 {
6636   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6637
6638   ConfigureVirtualButtons();
6639
6640   setup_mode = SETUP_MODE_TOUCH;
6641
6642   DrawSetupScreen();
6643 }
6644
6645 static void execSetupTouch(void)
6646 {
6647   int i, j, k;
6648
6649   if (touch_controls == NULL)
6650   {
6651     for (i = 0; touch_controls_list[i].value != NULL; i++)
6652     {
6653       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6654       char identifier[32], name[32];
6655       char *value = touch_controls_list[i].value;
6656       char *text = touch_controls_list[i].text;
6657
6658       ti->node_top = &touch_controls;
6659       ti->sort_priority = i;
6660
6661       sprintf(identifier, "%s", value);
6662       sprintf(name, "%s", text);
6663
6664       setString(&ti->identifier, identifier);
6665       setString(&ti->name, name);
6666       setString(&ti->name_sorting, name);
6667       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6668
6669       pushTreeInfo(&touch_controls, ti);
6670     }
6671
6672     // sort touch control values to start with lowest touch control value
6673     sortTreeInfo(&touch_controls);
6674
6675     // set current touch control value to configured touch control value
6676     touch_control_current =
6677       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6678
6679     // if that fails, set current touch control to reliable default value
6680     if (touch_control_current == NULL)
6681       touch_control_current =
6682         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6683
6684     // if that also fails, set current touch control to first available value
6685     if (touch_control_current == NULL)
6686       touch_control_current = touch_controls;
6687   }
6688
6689   if (move_distances == NULL)
6690   {
6691     for (i = 0; distances_list[i].value != -1; i++)
6692     {
6693       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6694       char identifier[32], name[32];
6695       int value = distances_list[i].value;
6696       char *text = distances_list[i].text;
6697
6698       ti->node_top = &move_distances;
6699       ti->sort_priority = value;
6700
6701       sprintf(identifier, "%d", value);
6702       sprintf(name, "%s", text);
6703
6704       setString(&ti->identifier, identifier);
6705       setString(&ti->name, name);
6706       setString(&ti->name_sorting, name);
6707       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6708
6709       pushTreeInfo(&move_distances, ti);
6710     }
6711
6712     // sort distance values to start with lowest distance value
6713     sortTreeInfo(&move_distances);
6714
6715     // set current distance value to configured distance value
6716     move_distance_current =
6717       getTreeInfoFromIdentifier(move_distances,
6718                                 i_to_a(setup.touch.move_distance));
6719
6720     // if that fails, set current distance to reliable default value
6721     if (move_distance_current == NULL)
6722       move_distance_current =
6723         getTreeInfoFromIdentifier(move_distances,
6724                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6725
6726     // if that also fails, set current distance to first available value
6727     if (move_distance_current == NULL)
6728       move_distance_current = move_distances;
6729   }
6730
6731   if (drop_distances == NULL)
6732   {
6733     for (i = 0; distances_list[i].value != -1; i++)
6734     {
6735       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6736       char identifier[32], name[32];
6737       int value = distances_list[i].value;
6738       char *text = distances_list[i].text;
6739
6740       ti->node_top = &drop_distances;
6741       ti->sort_priority = value;
6742
6743       sprintf(identifier, "%d", value);
6744       sprintf(name, "%s", text);
6745
6746       setString(&ti->identifier, identifier);
6747       setString(&ti->name, name);
6748       setString(&ti->name_sorting, name);
6749       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6750
6751       pushTreeInfo(&drop_distances, ti);
6752     }
6753
6754     // sort distance values to start with lowest distance value
6755     sortTreeInfo(&drop_distances);
6756
6757     // set current distance value to configured distance value
6758     drop_distance_current =
6759       getTreeInfoFromIdentifier(drop_distances,
6760                                 i_to_a(setup.touch.drop_distance));
6761
6762     // if that fails, set current distance to reliable default value
6763     if (drop_distance_current == NULL)
6764       drop_distance_current =
6765         getTreeInfoFromIdentifier(drop_distances,
6766                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6767
6768     // if that also fails, set current distance to first available value
6769     if (drop_distance_current == NULL)
6770       drop_distance_current = drop_distances;
6771   }
6772
6773   if (transparencies == NULL)
6774   {
6775     for (i = 0; transparencies_list[i].value != -1; i++)
6776     {
6777       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6778       char identifier[32], name[32];
6779       int value = transparencies_list[i].value;
6780       char *text = transparencies_list[i].text;
6781
6782       ti->node_top = &transparencies;
6783       ti->sort_priority = value;
6784
6785       sprintf(identifier, "%d", value);
6786       sprintf(name, "%s", text);
6787
6788       setString(&ti->identifier, identifier);
6789       setString(&ti->name, name);
6790       setString(&ti->name_sorting, name);
6791       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6792
6793       pushTreeInfo(&transparencies, ti);
6794     }
6795
6796     // sort transparency values to start with lowest transparency value
6797     sortTreeInfo(&transparencies);
6798
6799     // set current transparency value to configured transparency value
6800     transparency_current =
6801       getTreeInfoFromIdentifier(transparencies,
6802                                 i_to_a(setup.touch.transparency));
6803
6804     // if that fails, set current transparency to reliable default value
6805     if (transparency_current == NULL)
6806       transparency_current =
6807         getTreeInfoFromIdentifier(transparencies,
6808                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6809
6810     // if that also fails, set current transparency to first available value
6811     if (transparency_current == NULL)
6812       transparency_current = transparencies;
6813   }
6814
6815   for (i = 0; i < 2; i++)
6816   {
6817     for (j = 0; j < 2; j++)
6818     {
6819       if (grid_sizes[i][j] == NULL)
6820       {
6821         for (k = 0; grid_sizes_list[k].value != -1; k++)
6822         {
6823           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6824           char identifier[32], name[32];
6825           int value = grid_sizes_list[k].value;
6826           char *text = grid_sizes_list[k].text;
6827
6828           ti->node_top = &grid_sizes[i][j];
6829           ti->sort_priority = value;
6830
6831           sprintf(identifier, "%d", value);
6832           sprintf(name, "%s", text);
6833
6834           setString(&ti->identifier, identifier);
6835           setString(&ti->name, name);
6836           setString(&ti->name_sorting, name);
6837           setString(&ti->infotext,
6838                     (i == 0 ?
6839                      (j == 0 ?
6840                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6841                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6842                      (j == 0 ?
6843                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6844                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6845
6846           pushTreeInfo(&grid_sizes[i][j], ti);
6847         }
6848
6849         // sort grid size values to start with lowest grid size value
6850         sortTreeInfo(&grid_sizes[i][j]);
6851
6852         // set current grid size value to configured grid size value
6853         grid_size_current[i][j] =
6854           getTreeInfoFromIdentifier(grid_sizes[i][j],
6855                                     i_to_a(j == 0 ?
6856                                            setup.touch.grid_xsize[i] :
6857                                            setup.touch.grid_ysize[i]));
6858
6859         // if that fails, set current grid size to reliable default value
6860         if (grid_size_current[i][j] == NULL)
6861           grid_size_current[i][j] =
6862             getTreeInfoFromIdentifier(grid_sizes[i][j],
6863                                       i_to_a(j == 0 ?
6864                                              DEFAULT_GRID_XSIZE(i) :
6865                                              DEFAULT_GRID_YSIZE(i)));
6866
6867         // if that also fails, set current grid size to first available value
6868         if (grid_size_current[i][j] == NULL)
6869           grid_size_current[i][j] = grid_sizes[i][j];
6870       }
6871     }
6872   }
6873
6874   setup.touch.control_type = touch_control_current->identifier;
6875   setup.touch.move_distance = atoi(move_distance_current->identifier);
6876   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6877   setup.touch.transparency = atoi(transparency_current->identifier);
6878
6879   for (i = 0; i < 2; i++)
6880   {
6881     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6882     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6883
6884     if (i == GRID_ACTIVE_NR())
6885     {
6886       overlay.grid_xsize = setup.touch.grid_xsize[i];
6887       overlay.grid_ysize = setup.touch.grid_ysize[i];
6888     }
6889   }
6890
6891   // needed for displaying value text instead of identifier
6892   touch_controls_text = touch_control_current->name;
6893   move_distance_text = move_distance_current->name;
6894   drop_distance_text = drop_distance_current->name;
6895   transparency_text = transparency_current->name;
6896
6897   for (i = 0; i < 2; i++)
6898     for (j = 0; j < 2; j++)
6899       grid_size_text[i][j] = grid_size_current[i][j]->name;
6900
6901   setup_mode = SETUP_MODE_TOUCH;
6902
6903   DrawSetupScreen();
6904 }
6905
6906 static void execSetupArtwork(void)
6907 {
6908   static ArtworkDirTree *gfx_last_valid = NULL;
6909   static ArtworkDirTree *snd_last_valid = NULL;
6910   static ArtworkDirTree *mus_last_valid = NULL;
6911
6912   // current artwork directory may be invalid (level group, parent link)
6913   if (!validLevelSeries(artwork.gfx_current))
6914     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6915   if (!validLevelSeries(artwork.snd_current))
6916     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6917   if (!validLevelSeries(artwork.mus_current))
6918     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6919
6920   // store valid artwork directory information
6921   gfx_last_valid = artwork.gfx_current;
6922   snd_last_valid = artwork.snd_current;
6923   mus_last_valid = artwork.mus_current;
6924
6925 #if 0
6926   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6927         artwork.gfx_current->subdir,
6928         artwork.gfx_current->fullpath,
6929         artwork.gfx_current->basepath);
6930 #endif
6931
6932   setup.graphics_set = artwork.gfx_current->identifier;
6933   setup.sounds_set = artwork.snd_current->identifier;
6934   setup.music_set = artwork.mus_current->identifier;
6935
6936   // needed if last screen (setup choice) changed graphics, sounds or music
6937   ReloadCustomArtwork(0);
6938
6939   // needed for displaying artwork name instead of artwork identifier
6940   graphics_set_name = artwork.gfx_current->name;
6941   sounds_set_name = artwork.snd_current->name;
6942   music_set_name = artwork.mus_current->name;
6943
6944   setup_mode = SETUP_MODE_ARTWORK;
6945
6946   DrawSetupScreen();
6947 }
6948
6949 static void execSetupChooseGraphics(void)
6950 {
6951   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6952
6953   DrawSetupScreen();
6954 }
6955
6956 static void execSetupChooseSounds(void)
6957 {
6958   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6959
6960   DrawSetupScreen();
6961 }
6962
6963 static void execSetupChooseMusic(void)
6964 {
6965   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6966
6967   DrawSetupScreen();
6968 }
6969
6970 static void execSetupInput(void)
6971 {
6972   setup_mode = SETUP_MODE_INPUT;
6973
6974   DrawSetupScreen();
6975 }
6976
6977 static void execSetupShortcuts(void)
6978 {
6979   setup_mode = SETUP_MODE_SHORTCUTS;
6980
6981   DrawSetupScreen();
6982 }
6983
6984 static void execSetupShortcuts1(void)
6985 {
6986   setup_mode = SETUP_MODE_SHORTCUTS_1;
6987
6988   DrawSetupScreen();
6989 }
6990
6991 static void execSetupShortcuts2(void)
6992 {
6993   setup_mode = SETUP_MODE_SHORTCUTS_2;
6994
6995   DrawSetupScreen();
6996 }
6997
6998 static void execSetupShortcuts3(void)
6999 {
7000   setup_mode = SETUP_MODE_SHORTCUTS_3;
7001
7002   DrawSetupScreen();
7003 }
7004
7005 static void execSetupShortcuts4(void)
7006 {
7007   setup_mode = SETUP_MODE_SHORTCUTS_4;
7008
7009   DrawSetupScreen();
7010 }
7011
7012 static void execSetupShortcuts5(void)
7013 {
7014   setup_mode = SETUP_MODE_SHORTCUTS_5;
7015
7016   DrawSetupScreen();
7017 }
7018
7019 static void execExitSetup(void)
7020 {
7021   SetGameStatus(GAME_MODE_MAIN);
7022
7023   DrawMainMenu();
7024 }
7025
7026 static void execSaveAndExitSetup(void)
7027 {
7028   SaveSetup();
7029   execExitSetup();
7030 }
7031
7032 static void execGadgetNetworkServer(void)
7033 {
7034   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
7035   struct GadgetInfo *gi = screen_gadget[gadget_id];
7036
7037   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
7038     network_server_hostname[0] = '\0';
7039
7040   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
7041
7042   MapGadget(gi);
7043
7044   ClickOnGadget(gi, MB_LEFTBUTTON);
7045 }
7046
7047 static void execOfferUploadTapes(void)
7048 {
7049   OfferUploadTapes();
7050 }
7051
7052 static void ToggleNetworkModeIfNeeded(void)
7053 {
7054   int font_title = FONT_TITLE_1;
7055   int font_foot = FC_BLUE;
7056   int ystart  = mSY - SY + 16;
7057   int ybottom = mSY - SY + SYSIZE - 20;
7058   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
7059
7060   if (setup.network_mode == network.enabled)
7061     return;
7062
7063   network.enabled = setup.network_mode;
7064
7065   FadeOut(REDRAW_ALL);
7066
7067   ClearField();
7068
7069   DrawTextSCentered(ystart, font_title, text);
7070
7071   FadeIn(REDRAW_ALL);
7072
7073   if (network.enabled)
7074     InitNetworkServer();
7075   else
7076     DisconnectFromNetworkServer();
7077
7078   DrawTextSCentered(ybottom, font_foot,
7079                     "Press any key or button for setup menu");
7080
7081   WaitForEventToContinue();
7082
7083   DrawSetupScreen();
7084 }
7085
7086 static void ToggleGameSpeedsListIfNeeded(void)
7087 {
7088   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
7089
7090   if (setup.game_speed_extended == using_game_speeds_extended)
7091     return;
7092
7093   // try to match similar values when changing game speeds list
7094   if (setup.game_speed_extended)
7095     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
7096                               setup.game_frame_delay == 30 ? 29 :
7097                               setup.game_frame_delay);
7098   else
7099     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
7100                               setup.game_frame_delay == 16 ? 15 :
7101                               setup.game_frame_delay >= 29 ? 30 :
7102                               setup.game_frame_delay <= 10 ? 10 :
7103                               setup.game_frame_delay);
7104
7105   execSetupGame_setGameSpeeds(TRUE);
7106
7107   DrawSetupScreen();
7108 }
7109
7110 static void ToggleUseApiServerIfNeeded(void)
7111 {
7112   if (runtime.use_api_server == setup.use_api_server)
7113     return;
7114
7115   runtime.use_api_server = setup.use_api_server;
7116
7117   if (runtime.use_api_server)
7118     CheckApiServerTasks();
7119 }
7120
7121 static void ModifyGameSpeedIfNeeded(void)
7122 {
7123   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7124       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
7125     return;
7126
7127   char message[100];
7128   char *game_speed_text = "Fast";
7129   int game_speed_value = 15;
7130
7131   if (setup.game_speed_extended)
7132   {
7133     game_speed_text = "60 fps";
7134     game_speed_value = 16;
7135   }
7136
7137   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
7138
7139   // set game speed to existing list value that is fast enough for vsync
7140   setup.game_frame_delay = game_speed_value;
7141
7142   execSetupGame_setGameSpeeds(TRUE);
7143
7144   Request(message, REQ_CONFIRM);
7145 }
7146
7147 static void DisableVsyncIfNeeded(void)
7148 {
7149   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
7150       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
7151        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
7152     return;
7153
7154   // disable vsync for the selected game speed to work
7155   setup.vsync_mode = STR_VSYNC_MODE_OFF;
7156
7157   execSetupGraphics_setVsyncModes(TRUE);
7158
7159   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
7160 }
7161
7162 static struct
7163 {
7164   void *value;
7165   void *related_value;
7166 } hide_related_entry_list[] =
7167 {
7168   { &setup.scores_in_highscore_list,    execSetupChooseScoresType       },
7169   { &setup.scores_in_highscore_list,    &scores_type_text               },
7170
7171   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
7172   { &setup.game_frame_delay,            &game_speed_text                },
7173
7174   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
7175   { &setup.scroll_delay_value,          &scroll_delay_text              },
7176
7177   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
7178   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
7179
7180   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
7181   { &setup.window_scaling_percent,      &window_size_text               },
7182
7183   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
7184   { &setup.window_scaling_quality,      &scaling_type_text              },
7185
7186   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
7187   { &setup.screen_rendering_mode,       &rendering_mode_text            },
7188
7189   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
7190   { &setup.vsync_mode,                  &vsync_mode_text                },
7191
7192   { &setup.graphics_set,                execSetupChooseGraphics         },
7193   { &setup.graphics_set,                &graphics_set_name              },
7194
7195   { &setup.sounds_set,                  execSetupChooseSounds           },
7196   { &setup.sounds_set,                  &sounds_set_name                },
7197
7198   { &setup.music_set,                   execSetupChooseMusic            },
7199   { &setup.music_set,                   &music_set_name                 },
7200
7201   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
7202   { &setup.volume_simple,               &volume_simple_text             },
7203
7204   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
7205   { &setup.volume_loops,                &volume_loops_text              },
7206
7207   { &setup.volume_music,                execSetupChooseVolumeMusic      },
7208   { &setup.volume_music,                &volume_music_text              },
7209
7210   { &setup.touch.control_type,          execSetupChooseTouchControls    },
7211   { &setup.touch.control_type,          &touch_controls_text            },
7212
7213   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
7214   { &setup.touch.move_distance,         &move_distance_text             },
7215
7216   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
7217   { &setup.touch.drop_distance,         &drop_distance_text             },
7218
7219   { &setup.touch.transparency,          execSetupChooseTransparency     },
7220   { &setup.touch.transparency,          &transparency_text              },
7221
7222   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
7223   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
7224
7225   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
7226   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
7227
7228   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
7229   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
7230
7231   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
7232   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
7233
7234   { &setup.internal.menu_game,          execSetupGame                   },
7235   { &setup.internal.menu_engines,       execSetupEngines                },
7236   { &setup.internal.menu_editor,        execSetupEditor                 },
7237   { &setup.internal.menu_graphics,      execSetupGraphics               },
7238   { &setup.internal.menu_sound,         execSetupSound                  },
7239   { &setup.internal.menu_artwork,       execSetupArtwork                },
7240   { &setup.internal.menu_input,         execSetupInput                  },
7241   { &setup.internal.menu_touch,         execSetupTouch                  },
7242   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
7243   { &setup.internal.menu_exit,          execExitSetup                   },
7244   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
7245
7246   { &setup.internal.info_title,         execInfoTitleScreen             },
7247   { &setup.internal.info_elements,      execInfoElements                },
7248   { &setup.internal.info_music,         execInfoMusic                   },
7249   { &setup.internal.info_credits,       execInfoCredits                 },
7250   { &setup.internal.info_program,       execInfoProgram                 },
7251   { &setup.internal.info_version,       execInfoVersion                 },
7252   { &setup.internal.info_levelset,      execInfoLevelSet                },
7253   { &setup.internal.info_exit,          execExitInfo                    },
7254
7255   { NULL,                               NULL                            }
7256 };
7257
7258 void setHideRelatedSetupEntries(void)
7259 {
7260   int i;
7261
7262   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
7263     if (hideSetupEntry(hide_related_entry_list[i].value))
7264       setHideSetupEntry(hide_related_entry_list[i].related_value);
7265 }
7266
7267 static struct TokenInfo setup_info_main[] =
7268 {
7269   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
7270   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
7271   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
7272   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
7273   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
7274   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
7275   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
7276   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
7277   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
7278   { TYPE_EMPTY,         NULL,                   ""                      },
7279   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
7280   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
7281
7282   { 0,                  NULL,                   NULL                    }
7283 };
7284
7285 static struct TokenInfo setup_info_game[] =
7286 {
7287   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
7288   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
7289   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
7290   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
7291   { TYPE_STRING,        &network_server_text,   ""                      },
7292   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
7293   { TYPE_ENTER_LIST,    execSetupChooseScoresType,"Scores in Highscore List:" },
7294   { TYPE_STRING,        &scores_type_text,      ""                      },
7295   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload Tapes to Server" },
7296   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
7297   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
7298   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
7299   { TYPE_SWITCH,        &setup.handicap,        "Force Solving Levels:" },
7300   { TYPE_SWITCH,        &setup.skip_levels,     "Allow Skipping Levels:" },
7301   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
7302   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
7303   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
7304   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
7305   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
7306   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
7307   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
7308   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
7309   { TYPE_SWITCH,        &setup.auto_pause_on_start, "Start Game in Pause Mode:" },
7310   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
7311   { TYPE_STRING,        &game_speed_text,       ""                      },
7312   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
7313 #if 1
7314   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7315   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7316 #endif
7317   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7318   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7319   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7320   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7321   { TYPE_EMPTY,         NULL,                   ""                      },
7322   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7323
7324   { 0,                  NULL,                   NULL                    }
7325 };
7326
7327 static struct TokenInfo setup_info_engines[] =
7328 {
7329   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7330   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7331   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7332   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7333   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7334   { TYPE_EMPTY,         NULL,                   ""                      },
7335   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7336   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7337   { TYPE_EMPTY,         NULL,                   ""                      },
7338   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7339
7340   { 0,                  NULL,                   NULL                    }
7341 };
7342
7343 static struct TokenInfo setup_info_editor[] =
7344 {
7345 #if 0
7346   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7347   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7348   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7349   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7350   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7351   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7352   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7353   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7354   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7355   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7356 #endif
7357   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7358   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7359 #if 0
7360   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7361 #endif
7362   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7363   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7364   { TYPE_EMPTY,         NULL,                   ""                      },
7365 #if 0
7366   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7367   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7368   { TYPE_EMPTY,         NULL,                   ""                      },
7369 #endif
7370   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7371   { TYPE_EMPTY,         NULL,                   ""                      },
7372   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7373   { TYPE_EMPTY,         NULL,                   ""                      },
7374   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7375
7376   { 0,                  NULL,                   NULL                    }
7377 };
7378
7379 static struct TokenInfo setup_info_graphics[] =
7380 {
7381 #if !defined(PLATFORM_ANDROID)
7382   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7383   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7384   { TYPE_STRING,        &window_size_text,      ""                      },
7385   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7386   { TYPE_STRING,        &scaling_type_text,     ""                      },
7387   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7388   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7389 #endif
7390 #if 0
7391   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7392   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7393 #endif
7394   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7395   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7396   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7397   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7398   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7399   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7400   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7401   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7402   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7403   { TYPE_EMPTY,         NULL,                   ""                      },
7404   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7405
7406   { 0,                  NULL,                   NULL                    }
7407 };
7408
7409 static struct TokenInfo setup_info_sound[] =
7410 {
7411   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7412   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7413   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7414   { TYPE_EMPTY,         NULL,                   ""                      },
7415   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7416   { TYPE_STRING,        &volume_simple_text,    ""                      },
7417   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7418   { TYPE_STRING,        &volume_loops_text,     ""                      },
7419   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7420   { TYPE_STRING,        &volume_music_text,     ""                      },
7421   { TYPE_EMPTY,         NULL,                   ""                      },
7422   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7423
7424   { 0,                  NULL,                   NULL                    }
7425 };
7426
7427 static struct TokenInfo setup_info_artwork[] =
7428 {
7429   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7430   { TYPE_STRING,        &graphics_set_name,     ""                      },
7431   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7432   { TYPE_STRING,        &sounds_set_name,       ""                      },
7433   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7434   { TYPE_STRING,        &music_set_name,        ""                      },
7435   { TYPE_EMPTY,         NULL,                   ""                      },
7436   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7437   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7438   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7439   { TYPE_EMPTY,         NULL,                   ""                      },
7440   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7441
7442   { 0,                  NULL,                   NULL                    }
7443 };
7444
7445 static struct TokenInfo setup_info_input[] =
7446 {
7447   { TYPE_SWITCH,        NULL,                   "Player:"               },
7448   { TYPE_SWITCH,        NULL,                   "Device:"               },
7449   { TYPE_SWITCH,        NULL,                   ""                      },
7450   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7451   { TYPE_EMPTY,         NULL,                   ""                      },
7452   { TYPE_EMPTY,         NULL,                   ""                      },
7453   { TYPE_EMPTY,         NULL,                   ""                      },
7454   { TYPE_EMPTY,         NULL,                   ""                      },
7455   { TYPE_EMPTY,         NULL,                   ""                      },
7456   { TYPE_EMPTY,         NULL,                   ""                      },
7457   { TYPE_EMPTY,         NULL,                   ""                      },
7458   { TYPE_EMPTY,         NULL,                   ""                      },
7459   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7460   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7461
7462   { 0,                  NULL,                   NULL                    }
7463 };
7464
7465 static struct TokenInfo setup_info_touch[] =
7466 {
7467   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7468   { TYPE_STRING,        &touch_controls_text,   ""                      },
7469   { TYPE_EMPTY,         NULL,                   ""                      },
7470   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7471
7472   { 0,                  NULL,                   NULL                    }
7473 };
7474
7475 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7476 {
7477   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7478   { TYPE_STRING,        &touch_controls_text,   ""                      },
7479   { TYPE_EMPTY,         NULL,                   ""                      },
7480   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7481   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7482   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7483   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7484   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7485   { TYPE_STRING,        &transparency_text,     ""                      },
7486   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7487   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7488   { TYPE_EMPTY,         NULL,                   ""                      },
7489   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7490   { TYPE_EMPTY,         NULL,                   ""                      },
7491   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7492
7493   { 0,                  NULL,                   NULL                    }
7494 };
7495
7496 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7497 {
7498   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7499   { TYPE_STRING,        &touch_controls_text,   ""                      },
7500   { TYPE_EMPTY,         NULL,                   ""                      },
7501   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7502   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7503   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7504   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7505   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7506   { TYPE_STRING,        &transparency_text,     ""                      },
7507   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7508   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7509   { TYPE_EMPTY,         NULL,                   ""                      },
7510   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7511   { TYPE_EMPTY,         NULL,                   ""                      },
7512   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7513
7514   { 0,                  NULL,                   NULL                    }
7515 };
7516
7517 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7518 {
7519   setup_info_touch_virtual_buttons_0,
7520   setup_info_touch_virtual_buttons_1
7521 };
7522
7523 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7524 {
7525   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7526   { TYPE_STRING,        &touch_controls_text,   ""                      },
7527   { TYPE_EMPTY,         NULL,                   ""                      },
7528   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7529   { TYPE_STRING,        &move_distance_text,    ""                      },
7530   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7531   { TYPE_STRING,        &drop_distance_text,    ""                      },
7532   { TYPE_EMPTY,         NULL,                   ""                      },
7533   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7534
7535   { 0,                  NULL,                   NULL                    }
7536 };
7537
7538 static struct TokenInfo setup_info_shortcuts[] =
7539 {
7540   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7541   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7542   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7543   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7544   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7545   { TYPE_EMPTY,         NULL,                   ""                      },
7546   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7547
7548   { 0,                  NULL,                   NULL                    }
7549 };
7550
7551 static struct TokenInfo setup_info_shortcuts_1[] =
7552 {
7553   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7554   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7555   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7556   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7557   { TYPE_KEYTEXT,       NULL,           "Restart Game:",                },
7558   { TYPE_KEY,           &setup.shortcut.restart_game, ""                },
7559   { TYPE_KEYTEXT,       NULL,           "Replay & Pause Before End:",   },
7560   { TYPE_KEY,           &setup.shortcut.pause_before_end, ""            },
7561   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7562   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7563   { TYPE_EMPTY,         NULL,                   ""                      },
7564   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7565   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7566   { TYPE_EMPTY,         NULL,                   ""                      },
7567   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7568
7569   { 0,                  NULL,                   NULL                    }
7570 };
7571
7572 static struct TokenInfo setup_info_shortcuts_2[] =
7573 {
7574   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7575   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7576   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7577   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7578   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7579   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7580   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7581   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7582   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7583   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7584   { TYPE_EMPTY,         NULL,                   ""                      },
7585   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7586
7587   { 0,                  NULL,                   NULL                    }
7588 };
7589
7590 static struct TokenInfo setup_info_shortcuts_3[] =
7591 {
7592   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7593   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7594   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7595   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7596   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7597   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7598   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7599   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7600   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7601   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7602   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7603   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7604   { TYPE_EMPTY,         NULL,                   ""                      },
7605   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7606
7607   { 0,                  NULL,                   NULL                    }
7608 };
7609
7610 static struct TokenInfo setup_info_shortcuts_4[] =
7611 {
7612   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7613   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7614   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7615   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7616   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7617   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7618   { TYPE_EMPTY,         NULL,                   ""                      },
7619   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7620
7621   { 0,                  NULL,                   NULL                    }
7622 };
7623
7624 static struct TokenInfo setup_info_shortcuts_5[] =
7625 {
7626   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7627   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7628   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7629   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7630   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7631   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7632   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7633   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7634   { TYPE_EMPTY,         NULL,                   ""                      },
7635   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7636
7637   { 0,                  NULL,                   NULL                    }
7638 };
7639
7640 static Key getSetupKey(void)
7641 {
7642   Key key = KSYM_UNDEFINED;
7643   boolean got_key_event = FALSE;
7644
7645   while (!got_key_event)
7646   {
7647     Event event;
7648
7649     if (NextValidEvent(&event))
7650     {
7651       switch (event.type)
7652       {
7653         case EVENT_KEYPRESS:
7654           {
7655             key = GetEventKey((KeyEvent *)&event, TRUE);
7656
7657             // press 'Escape' or 'Enter' to keep the existing key binding
7658             if (key == KSYM_Escape || key == KSYM_Return)
7659               key = KSYM_UNDEFINED;     // keep old value
7660
7661             got_key_event = TRUE;
7662           }
7663           break;
7664
7665         case EVENT_KEYRELEASE:
7666           key_joystick_mapping = 0;
7667           break;
7668
7669         default:
7670           HandleOtherEvents(&event);
7671           break;
7672       }
7673     }
7674
7675     BackToFront();
7676   }
7677
7678   return key;
7679 }
7680
7681 static int getSetupValueFont(int type, void *value)
7682 {
7683   if (type & TYPE_GHOSTED)
7684     return FONT_OPTION_OFF;
7685   else if (type & TYPE_KEY)
7686     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7687   else if (type & TYPE_STRING)
7688     return FONT_VALUE_2;
7689   else if (type & TYPE_ECS_AGA)
7690     return FONT_VALUE_1;
7691   else if (type & TYPE_BOOLEAN_STYLE)
7692     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7693   else if (type & TYPE_YES_NO_AUTO)
7694     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7695             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7696   else if (type & TYPE_PLAYER)
7697     return FONT_VALUE_1;
7698   else
7699     return FONT_VALUE_1;
7700 }
7701
7702 static int getSetupValueFontNarrow(int type, int font_nr)
7703 {
7704   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7705           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7706           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7707           font_nr);
7708 }
7709
7710 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7711 {
7712   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7713   struct TokenInfo *si = &setup_info[si_pos];
7714   boolean font_draw_xoffset_modified = FALSE;
7715   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7716   int font_draw_xoffset_old = -1;
7717   int xoffset = (scrollbar_needed ? -1 : 0);
7718   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7719   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7720   int xpos = menu_screen_value_xpos;
7721   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7722   int startx = mSX + xpos * 32;
7723   int starty = mSY + ypos * 32;
7724   int type = si->type;
7725   void *value = si->value;
7726   char *value_string = getSetupValue(type, value);
7727   int font_nr_default = getSetupValueFont(type, value);
7728   int font_width_default = getFontWidth(font_nr_default);
7729   int font_nr = font_nr_default;
7730   int i;
7731
7732   if (value_string == NULL)
7733     return;
7734
7735   if (type & TYPE_KEY)
7736   {
7737     xpos = MENU_SCREEN_START_XPOS;
7738
7739     if (type & TYPE_QUERY)
7740       value_string = "<press key>";
7741   }
7742   else if (type & TYPE_STRING)
7743   {
7744     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7745
7746     xpos = MENU_SCREEN_START_XPOS;
7747
7748     if (strlen(value_string) > max_value_len)
7749       value_string[max_value_len] = '\0';
7750   }
7751   else if (type & TYPE_YES_NO_AUTO)
7752   {
7753     xpos = menu_screen_value_xpos - 1;
7754   }
7755   else if (type & TYPE_PLAYER)
7756   {
7757     int displayed_player_nr = *(int *)value + 1;
7758
7759     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7760   }
7761
7762   startx = mSX + xpos * 32;
7763   starty = mSY + ypos * 32;
7764
7765   // special check if right-side setup values moved left due to scrollbar
7766   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7767   {
7768     int max_menu_text_length = 26;      // maximum text length for classic menu
7769     int font_xoffset = getFontDrawOffsetX(font_nr);
7770     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7771     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7772     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7773     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7774
7775     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7776     {
7777       // when using narrow font, left-shifting text "auto" not needed
7778       if (type & TYPE_YES_NO_AUTO)
7779         xpos += 1;
7780
7781       xpos += 1;
7782       startx = mSX + xpos * 32;
7783
7784       font_nr = getSetupValueFontNarrow(type, font_nr);
7785     }
7786   }
7787
7788   // downward compatibility correction for Juergen Bonhagen's menu settings
7789   if (setup_mode != SETUP_MODE_INPUT)
7790   {
7791     int max_menu_text_length_big = (menu_screen_value_xpos -
7792                                     MENU_SCREEN_START_XPOS);
7793     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7794     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7795     int font1_xoffset = getFontDrawOffsetX(font_nr);
7796     int font2_xoffset = getFontDrawOffsetX(check_font_nr);
7797     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7798     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7799     int text_font_xoffset = getFontDrawOffsetX(text_font_nr);
7800     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7801     boolean correct_font_draw_xoffset = FALSE;
7802
7803     if (xpos == MENU_SCREEN_START_XPOS &&
7804         startx + font1_xoffset < text_startx + text_font_xoffset)
7805       correct_font_draw_xoffset = TRUE;
7806
7807     if (xpos == menu_screen_value_xpos &&
7808         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7809       correct_font_draw_xoffset = TRUE;
7810
7811     // check if setup value would overlap with setup text when printed
7812     // (this can happen for extreme/wrong values for font draw offset)
7813     if (correct_font_draw_xoffset)
7814     {
7815       font_draw_xoffset_old = getFontDrawOffsetX(font_nr);
7816       font_draw_xoffset_modified = TRUE;
7817
7818       if (type & TYPE_KEY)
7819         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7820       else if (!(type & TYPE_STRING))
7821         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7822           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7823     }
7824   }
7825
7826   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7827     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7828
7829   DrawText(startx, starty, value_string, font_nr);
7830
7831   if (type & TYPE_PLAYER)
7832   {
7833     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7834     int player_nr = *(int *)value;
7835     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7836     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7837     int startx2 = startx + xoff;
7838     int starty2 = starty + yoff;
7839
7840     if (DrawingOnBackground(startx2, starty2))
7841       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7842
7843     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7844                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7845   }
7846
7847   if (font_draw_xoffset_modified)
7848     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7849 }
7850
7851 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7852 {
7853   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7854   struct TokenInfo *si = &setup_info[si_pos];
7855
7856   if (si->type & TYPE_BOOLEAN_STYLE)
7857   {
7858     *(boolean *)si->value ^= TRUE;
7859   }
7860   else if (si->type & TYPE_YES_NO_AUTO)
7861   {
7862     *(int *)si->value =
7863       (dx == -1 ?
7864        (*(int *)si->value == AUTO ? TRUE :
7865         *(int *)si->value == TRUE ? FALSE : AUTO) :
7866        (*(int *)si->value == TRUE ? AUTO :
7867         *(int *)si->value == AUTO ? FALSE : TRUE));
7868   }
7869   else if (si->type & TYPE_KEY)
7870   {
7871     Key key;
7872
7873     si->type |= TYPE_QUERY;
7874     drawSetupValue(screen_pos, setup_info_pos_raw);
7875     si->type &= ~TYPE_QUERY;
7876
7877     key = getSetupKey();
7878     if (key != KSYM_UNDEFINED)
7879       *(Key *)si->value = key;
7880   }
7881   else if (si->type & TYPE_PLAYER)
7882   {
7883     int player_nr = *(int *)si->value;
7884
7885     if (dx)
7886       player_nr += dx;
7887     else
7888       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7889
7890     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7891   }
7892
7893   drawSetupValue(screen_pos, setup_info_pos_raw);
7894
7895   // fullscreen state may have changed at this point
7896   if (si->value == &setup.fullscreen)
7897     ToggleFullscreenIfNeeded();
7898
7899   // network mode may have changed at this point
7900   if (si->value == &setup.network_mode)
7901     ToggleNetworkModeIfNeeded();
7902
7903   // API server mode may have changed at this point
7904   if (si->value == &setup.use_api_server)
7905     ToggleUseApiServerIfNeeded();
7906
7907   // game speed list may have changed at this point
7908   if (si->value == &setup.game_speed_extended)
7909     ToggleGameSpeedsListIfNeeded();
7910 }
7911
7912 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7913 {
7914   static struct TokenInfo *setup_info_final = NULL;
7915   int list_size = 0;
7916   int list_pos = 0;
7917   int i;
7918
7919   // determine maximum list size of target list
7920   while (setup_info_orig[list_size++].type != 0);
7921
7922   // free, allocate and clear memory for target list
7923   checked_free(setup_info_final);
7924   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7925
7926   // copy setup info list without setup entries marked as hidden
7927   for (i = 0; setup_info_orig[i].type != 0; i++)
7928   {
7929     // skip setup entries configured to be hidden
7930     if (hideSetupEntry(setup_info_orig[i].value))
7931       continue;
7932
7933     // skip skippable setup entries if screen is lower than usual
7934     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7935         setup_info_orig[i].type == TYPE_SKIPPABLE)
7936       continue;
7937
7938     setup_info_final[list_pos++] = setup_info_orig[i];
7939   }
7940
7941   return setup_info_final;
7942 }
7943
7944 static void DrawSetupScreen_Generic(void)
7945 {
7946   int fade_mask = REDRAW_FIELD;
7947   boolean redraw_all = FALSE;
7948   char *title_string = NULL;
7949   int i;
7950
7951   if (CheckFadeAll())
7952     fade_mask = REDRAW_ALL;
7953
7954   UnmapAllGadgets();
7955   FadeMenuSoundsAndMusic();
7956
7957   FreeScreenGadgets();
7958   CreateScreenGadgets();
7959
7960   if (redraw_mask & REDRAW_ALL)
7961     redraw_all = TRUE;
7962
7963   FadeOut(fade_mask);
7964
7965   // needed if different viewport properties defined for setup screen
7966   ChangeViewportPropertiesIfNeeded();
7967
7968   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7969
7970   ClearField();
7971
7972   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7973
7974   if (setup_mode == SETUP_MODE_MAIN)
7975   {
7976     setup_info = setup_info_main;
7977     title_string = STR_SETUP_MAIN;
7978   }
7979   else if (setup_mode == SETUP_MODE_GAME)
7980   {
7981     setup_info = setup_info_game;
7982     title_string = STR_SETUP_GAME;
7983   }
7984   else if (setup_mode == SETUP_MODE_ENGINES)
7985   {
7986     setup_info = setup_info_engines;
7987     title_string = STR_SETUP_ENGINES;
7988   }
7989   else if (setup_mode == SETUP_MODE_EDITOR)
7990   {
7991     setup_info = setup_info_editor;
7992     title_string = STR_SETUP_EDITOR;
7993   }
7994   else if (setup_mode == SETUP_MODE_GRAPHICS)
7995   {
7996     setup_info = setup_info_graphics;
7997     title_string = STR_SETUP_GRAPHICS;
7998   }
7999   else if (setup_mode == SETUP_MODE_SOUND)
8000   {
8001     setup_info = setup_info_sound;
8002     title_string = STR_SETUP_SOUND;
8003   }
8004   else if (setup_mode == SETUP_MODE_ARTWORK)
8005   {
8006     setup_info = setup_info_artwork;
8007     title_string = STR_SETUP_ARTWORK;
8008   }
8009   else if (setup_mode == SETUP_MODE_TOUCH)
8010   {
8011     setup_info = setup_info_touch;
8012     title_string = STR_SETUP_TOUCH;
8013
8014     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
8015       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
8016     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
8017       setup_info = setup_info_touch_wipe_gestures;
8018   }
8019   else if (setup_mode == SETUP_MODE_SHORTCUTS)
8020   {
8021     setup_info = setup_info_shortcuts;
8022     title_string = STR_SETUP_SHORTCUTS;
8023   }
8024   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
8025   {
8026     setup_info = setup_info_shortcuts_1;
8027     title_string = STR_SETUP_SHORTCUTS;
8028   }
8029   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
8030   {
8031     setup_info = setup_info_shortcuts_2;
8032     title_string = STR_SETUP_SHORTCUTS;
8033   }
8034   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
8035   {
8036     setup_info = setup_info_shortcuts_3;
8037     title_string = STR_SETUP_SHORTCUTS;
8038   }
8039   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
8040   {
8041     setup_info = setup_info_shortcuts_4;
8042     title_string = STR_SETUP_SHORTCUTS;
8043   }
8044   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
8045   {
8046     setup_info = setup_info_shortcuts_5;
8047     title_string = STR_SETUP_SHORTCUTS;
8048   }
8049
8050   // use modified setup info without setup entries marked as hidden
8051   setup_info = getSetupInfoFinal(setup_info);
8052
8053   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
8054
8055   // determine maximal number of setup entries that can be displayed on screen
8056   num_setup_info = 0;
8057   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
8058     num_setup_info++;
8059
8060   // determine maximal number of setup entries available for this setup screen
8061   max_setup_info = 0;
8062   for (i = 0; setup_info[i].type != 0; i++)
8063     max_setup_info++;
8064
8065   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
8066
8067   MapScreenGadgets(max_setup_info);
8068
8069   if (redraw_all)
8070     redraw_mask = fade_mask = REDRAW_ALL;
8071
8072   DrawMaskedBorder(fade_mask);
8073
8074   FadeIn(fade_mask);
8075 }
8076
8077 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
8078 {
8079   menu_info = setup_info;
8080
8081   HandleMenuScreen(mx, my, dx, dy, button,
8082                    setup_mode, num_setup_info, max_setup_info);
8083 }
8084
8085 static void DrawSetupScreen_Input(void)
8086 {
8087   int i;
8088
8089   FadeOut(REDRAW_FIELD);
8090
8091   ClearField();
8092
8093   setup_info = getSetupInfoFinal(setup_info_input);
8094
8095   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
8096
8097   for (i = 0; setup_info[i].type != 0; i++)
8098   {
8099     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
8100       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
8101     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
8102       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
8103     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
8104       initCursor(i, IMG_MENU_BUTTON);
8105
8106     DrawCursorAndText_Setup(i, -1, FALSE);
8107   }
8108
8109   // create gadgets for setup input menu screen
8110   FreeScreenGadgets();
8111   CreateScreenGadgets();
8112
8113   // map gadgets for setup input menu screen
8114   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
8115
8116   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
8117
8118   FadeIn(REDRAW_FIELD);
8119 }
8120
8121 static void setJoystickDeviceToNr(char *device_name, int device_nr)
8122 {
8123   if (device_name == NULL)
8124     return;
8125
8126   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
8127     device_nr = 0;
8128
8129   if (strlen(device_name) > 1)
8130   {
8131     char c1 = device_name[strlen(device_name) - 1];
8132     char c2 = device_name[strlen(device_name) - 2];
8133
8134     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
8135       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
8136   }
8137   else
8138     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
8139             strlen(device_name));
8140 }
8141
8142 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
8143 {
8144   int i;
8145   static struct SetupKeyboardInfo custom_key;
8146   static struct
8147   {
8148     Key *key;
8149     char *text;
8150   } custom[] =
8151   {
8152     { &custom_key.left,  "Axis/Pad Left"  },
8153     { &custom_key.right, "Axis/Pad Right" },
8154     { &custom_key.up,    "Axis/Pad Up"    },
8155     { &custom_key.down,  "Axis/Pad Down"  },
8156     { &custom_key.snap,  "Button 1/A/X"   },
8157     { &custom_key.drop,  "Button 2/B/Y"   }
8158   };
8159   static char *joystick_name[MAX_PLAYERS] =
8160   {
8161     "Joystick1",
8162     "Joystick2",
8163     "Joystick3",
8164     "Joystick4"
8165   };
8166   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
8167   int font_nr_info = FONT_MENU_1;
8168   int font_nr_name = FONT_VALUE_OLD;
8169   int font_nr_on   = FONT_VALUE_1;
8170   int font_nr_off  = FONT_VALUE_OLD;
8171   int pos = 4;
8172
8173   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8174   {
8175     font_nr_info = FONT_MENU_2;
8176     font_nr_on   = FONT_VALUE_NARROW;
8177     font_nr_off  = FONT_VALUE_OLD_NARROW;
8178   }
8179
8180   custom_key = setup.input[player_nr].key;
8181
8182   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
8183            FONT_INPUT_1_ACTIVE);
8184
8185   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8186                              TILEX, TILEY);
8187   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
8188                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
8189
8190   if (setup.input[player_nr].use_joystick)
8191   {
8192     char *device_name = setup.input[player_nr].joy.device_name;
8193     int joystick_nr = getJoystickNrFromDeviceName(device_name);
8194     boolean joystick_active = CheckJoystickOpened(joystick_nr);
8195     char *text = joystick_name[joystick_nr];
8196     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
8197
8198     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
8199     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
8200   }
8201   else
8202   {
8203     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
8204     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
8205   }
8206
8207   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
8208     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
8209   else
8210     pos = 3;
8211
8212   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
8213   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
8214   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
8215   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
8216
8217   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
8218   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
8219   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
8220   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
8221   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
8222   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
8223
8224   for (i = 0; i < 6; i++)
8225   {
8226     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
8227
8228     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8229              "              ", font_nr_on);
8230     DrawText(mSX + 3 * 32, mSY + ypos * 32,
8231              (setup.input[player_nr].use_joystick ?
8232               custom[i].text :
8233               getKeyNameFromKey(*custom[i].key)), font_nr_on);
8234   }
8235 }
8236
8237 static int input_player_nr = 0;
8238
8239 static void HandleSetupScreen_Input_Player(int step, int direction)
8240 {
8241   int old_player_nr = input_player_nr;
8242   int new_player_nr;
8243
8244   new_player_nr = old_player_nr + step * direction;
8245   if (new_player_nr < 0)
8246     new_player_nr = 0;
8247   if (new_player_nr > MAX_PLAYERS - 1)
8248     new_player_nr = MAX_PLAYERS - 1;
8249
8250   if (new_player_nr != old_player_nr)
8251   {
8252     input_player_nr = new_player_nr;
8253
8254     drawPlayerSetupInputInfo(input_player_nr, FALSE);
8255   }
8256 }
8257
8258 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
8259 {
8260   static int choice = 0;
8261   int x = 0;
8262   int y = choice;
8263   int pos_start  = SETUPINPUT_SCREEN_POS_START;
8264   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
8265   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
8266   int pos_end    = SETUPINPUT_SCREEN_POS_END;
8267
8268   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
8269   {
8270     int i;
8271
8272     for (i = 0; setup_info_input[i].type != 0; i++)
8273     {
8274       // adjust menu structure according to skipped setup entries
8275       if (setup_info_input[i].type == TYPE_SKIPPABLE)
8276       {
8277         pos_empty2--;
8278         pos_end--;
8279       }
8280     }
8281   }
8282
8283   if (button == MB_MENU_INITIALIZE)
8284   {
8285     // input setup menu may have changed size due to graphics configuration
8286     if (choice >= pos_empty1)
8287       choice = pos_end;
8288
8289     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
8290
8291     DrawCursorAndText_Setup(choice, -1, TRUE);
8292
8293     return;
8294   }
8295   else if (button == MB_MENU_LEAVE)
8296   {
8297     setup_mode = SETUP_MODE_MAIN;
8298     DrawSetupScreen();
8299     InitJoysticks();
8300
8301     return;
8302   }
8303
8304   if (mx || my)         // mouse input
8305   {
8306     x = (mx - mSX) / 32;
8307     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
8308   }
8309   else if (dx || dy)    // keyboard input
8310   {
8311     if (dx && choice == 0)
8312       x = (dx < 0 ? 10 : 12);
8313     else if ((dx && choice == 1) ||
8314              (dx == -1 && choice == pos_end))
8315       button = MB_MENU_CHOICE;
8316     else if (dy)
8317       y = choice + dy;
8318
8319     if (y >= pos_empty1 && y <= pos_empty2)
8320       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8321   }
8322
8323   if (y == 0 && dx != 0 && button)
8324   {
8325     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8326   }
8327   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8328            y >= pos_start && y <= pos_end &&
8329            !(y >= pos_empty1 && y <= pos_empty2))
8330   {
8331     if (button)
8332     {
8333       if (y != choice)
8334       {
8335         DrawCursorAndText_Setup(choice, -1, FALSE);
8336         DrawCursorAndText_Setup(y, -1, TRUE);
8337
8338         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8339
8340         choice = y;
8341       }
8342     }
8343     else
8344     {
8345       if (y == 1)
8346       {
8347         char *device_name = setup.input[input_player_nr].joy.device_name;
8348
8349         if (!setup.input[input_player_nr].use_joystick)
8350         {
8351           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8352
8353           setJoystickDeviceToNr(device_name, new_device_nr);
8354           setup.input[input_player_nr].use_joystick = TRUE;
8355         }
8356         else
8357         {
8358           int device_nr = getJoystickNrFromDeviceName(device_name);
8359           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8360
8361           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8362             setup.input[input_player_nr].use_joystick = FALSE;
8363           else
8364             setJoystickDeviceToNr(device_name, new_device_nr);
8365         }
8366
8367         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8368       }
8369       else if (y == 2)
8370       {
8371         if (setup.input[input_player_nr].use_joystick)
8372           ConfigureJoystick(input_player_nr);
8373         else
8374           CustomizeKeyboard(input_player_nr);
8375       }
8376       else if (y == pos_end)
8377       {
8378         InitJoysticks();
8379
8380         FadeSetLeaveMenu();
8381
8382         setup_mode = SETUP_MODE_MAIN;
8383         DrawSetupScreen();
8384       }
8385     }
8386   }
8387 }
8388
8389 static boolean CustomizeKeyboardMain(int player_nr)
8390 {
8391   int i;
8392   int step_nr;
8393   boolean finished = FALSE;
8394   static struct SetupKeyboardInfo custom_key;
8395   static struct
8396   {
8397     Key *key;
8398     char *text;
8399   } customize_step[] =
8400   {
8401     { &custom_key.left,  "Move Left"    },
8402     { &custom_key.right, "Move Right"   },
8403     { &custom_key.up,    "Move Up"      },
8404     { &custom_key.down,  "Move Down"    },
8405     { &custom_key.snap,  "Snap Field"   },
8406     { &custom_key.drop,  "Drop Element" }
8407   };
8408   int font_nr_old = FONT_VALUE_OLD;
8409   int font_nr_new = FONT_VALUE_1;
8410   boolean success = FALSE;
8411
8412   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8413   {
8414     font_nr_old = FONT_VALUE_OLD_NARROW;
8415     font_nr_new = FONT_VALUE_NARROW;
8416   }
8417
8418   // read existing key bindings from player setup
8419   custom_key = setup.input[player_nr].key;
8420
8421   FadeSetEnterMenu();
8422   FadeOut(REDRAW_FIELD);
8423
8424   ClearField();
8425
8426   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8427
8428   step_nr = 0;
8429   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8430            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8431   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8432            "Key:", FONT_INPUT_1_ACTIVE);
8433   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8434            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8435
8436   FadeIn(REDRAW_FIELD);
8437
8438   while (!finished)
8439   {
8440     Event event;
8441
8442     if (NextValidEvent(&event))
8443     {
8444       switch (event.type)
8445       {
8446         case EVENT_KEYPRESS:
8447           {
8448             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8449
8450             // press 'Escape' to abort and keep the old key bindings
8451             if (key == KSYM_Escape)
8452             {
8453               FadeSkipNextFadeIn();
8454
8455               finished = TRUE;
8456
8457               break;
8458             }
8459
8460             // press 'Enter' to keep the existing key binding
8461             if (key == KSYM_Return)
8462               key = *customize_step[step_nr].key;
8463
8464             // check if key already used
8465             for (i = 0; i < step_nr; i++)
8466               if (*customize_step[i].key == key)
8467                 break;
8468             if (i < step_nr)
8469               break;
8470
8471             // got new key binding
8472             *customize_step[step_nr].key = key;
8473             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8474                      "             ", font_nr_new);
8475             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8476                      getKeyNameFromKey(key), font_nr_new);
8477             step_nr++;
8478
8479             // un-highlight last query
8480             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8481                      customize_step[step_nr - 1].text, FONT_MENU_1);
8482             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8483                      "Key:", FONT_MENU_1);
8484
8485             // all keys configured
8486             if (step_nr == 6)
8487             {
8488               finished = TRUE;
8489               success = TRUE;
8490
8491               break;
8492             }
8493
8494             // query next key binding
8495             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8496                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8497             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8498                      "Key:", FONT_INPUT_1_ACTIVE);
8499             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8500                      getKeyNameFromKey(*customize_step[step_nr].key),
8501                      font_nr_old);
8502           }
8503           break;
8504
8505         case EVENT_KEYRELEASE:
8506           key_joystick_mapping = 0;
8507           break;
8508
8509         default:
8510           HandleOtherEvents(&event);
8511           break;
8512       }
8513     }
8514
8515     BackToFront();
8516   }
8517
8518   // write new key bindings back to player setup, if successfully finished
8519   if (success)
8520     setup.input[player_nr].key = custom_key;
8521
8522   return success;
8523 }
8524
8525 void CustomizeKeyboard(int player_nr)
8526 {
8527   boolean success = CustomizeKeyboardMain(player_nr);
8528
8529   if (success)
8530   {
8531     int font_nr = FONT_TITLE_1;
8532     int font_height = getFontHeight(font_nr);
8533     int ypos1 = SYSIZE / 2 - font_height * 2;
8534     int ypos2 = SYSIZE / 2 - font_height * 1;
8535     unsigned int wait_frame_delay = 0;
8536     unsigned int wait_frame_delay_value = 2000;
8537
8538     ResetDelayCounter(&wait_frame_delay);
8539
8540     ClearField();
8541
8542     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8543     DrawTextSCentered(ypos2, font_nr, "configured!");
8544
8545     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8546       BackToFront();
8547
8548     ClearEventQueue();
8549   }
8550
8551   DrawSetupScreen_Input();
8552 }
8553
8554 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8555
8556 #define MARKER_BUTTON           1
8557 #define MARKER_AXIS_X           2
8558 #define MARKER_AXIS_Y           3
8559
8560 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8561 {
8562   static boolean bitmaps_initialized = FALSE;
8563   boolean screen_initialized = FALSE;
8564   static Bitmap *controller, *button, *axis_x, *axis_y;
8565   char *name;
8566   boolean success = TRUE;
8567   boolean done = FALSE, next = FALSE;
8568   Event event;
8569   int alpha = 200, alpha_step = -1;
8570   int alpha_ticks = 0;
8571   char mapping[4096], temp[256];
8572   int font_name = MENU_SETUP_FONT_TITLE;
8573   int font_info = MENU_SETUP_FONT_TEXT;
8574   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8575   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8576   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8577   int ystep_name = getMenuTextStep(spacing_name, font_name);
8578   int ystep_line = getMenuTextStep(spacing_line, font_info);
8579   int ystep_para = getMenuTextStep(spacing_para, font_info);
8580   int i, j;
8581
8582   struct
8583   {
8584     int x, y;
8585     int marker;
8586     char *field;
8587     int axis, button, hat, hat_value;
8588     char mapping[4096];
8589   }
8590   *step, *prev_step, steps[] =
8591   {
8592     { 356, 155, MARKER_BUTTON, "a",             },
8593     { 396, 122, MARKER_BUTTON, "b",             },
8594     { 320, 125, MARKER_BUTTON, "x",             },
8595     { 358,  95, MARKER_BUTTON, "y",             },
8596     { 162, 125, MARKER_BUTTON, "back",          },
8597     { 216, 125, MARKER_BUTTON, "guide",         },
8598     { 271, 125, MARKER_BUTTON, "start",         },
8599     { 110, 200, MARKER_BUTTON, "dpleft",        },
8600     { 146, 228, MARKER_BUTTON, "dpdown",        },
8601     { 178, 200, MARKER_BUTTON, "dpright",       },
8602     { 146, 172, MARKER_BUTTON, "dpup",          },
8603     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8604     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8605     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8606     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8607     {  73, 141, MARKER_BUTTON, "leftstick",     },
8608     { 282, 210, MARKER_BUTTON, "rightstick",    },
8609     {  73, 141, MARKER_AXIS_X, "leftx",         },
8610     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8611     { 282, 210, MARKER_AXIS_X, "rightx",        },
8612     { 282, 210, MARKER_AXIS_Y, "righty",        },
8613   };
8614
8615   unsigned int event_frame_delay = 0;
8616   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8617
8618   ResetDelayCounter(&event_frame_delay);
8619
8620   if (!bitmaps_initialized)
8621   {
8622     controller = LoadCustomImage("joystick/controller.png");
8623     button     = LoadCustomImage("joystick/button.png");
8624     axis_x     = LoadCustomImage("joystick/axis_x.png");
8625     axis_y     = LoadCustomImage("joystick/axis_y.png");
8626
8627     bitmaps_initialized = TRUE;
8628   }
8629
8630   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8631
8632 #if DEBUG_JOYSTICKS
8633   // print info about the joystick we are watching
8634   Debug("joystick", "watching joystick %d: (%s)",
8635         SDL_JoystickInstanceID(joystick), name);
8636   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8637         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8638         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8639 #endif
8640
8641   // initialize mapping with GUID and name
8642   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8643
8644   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8645            temp, name, SDL_GetPlatform());
8646
8647   // loop through all steps (buttons and axes), getting joystick events
8648   for (i = 0; i < SDL_arraysize(steps) && !done;)
8649   {
8650     Bitmap *marker = button;    // initialize with reliable default value
8651
8652     step = &steps[i];
8653     strcpy(step->mapping, mapping);
8654     step->axis = -1;
8655     step->button = -1;
8656     step->hat = -1;
8657     step->hat_value = -1;
8658
8659     marker = (step->marker == MARKER_BUTTON ? button :
8660               step->marker == MARKER_AXIS_X ? axis_x :
8661               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8662
8663     next = FALSE;
8664
8665     while (!done && !next)
8666     {
8667       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8668       alpha_ticks = SDL_GetTicks();
8669
8670       if (alpha >= 255)
8671       {
8672         alpha = 255;
8673         alpha_step = -1;
8674       }
8675       else if (alpha < 128)
8676       {
8677         alpha = 127;
8678         alpha_step = 1;
8679       }
8680
8681       int controller_x = SX + (SXSIZE - controller->width) / 2;
8682       int controller_y = SY + ystep_line;
8683
8684       int marker_x = controller_x + step->x;
8685       int marker_y = controller_y + step->y;
8686
8687       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8688       int ystart2 = ystart1 + ystep_name + ystep_line;
8689
8690       ClearField();
8691
8692       DrawTextSCentered(ystart1, font_name, name);
8693
8694       DrawTextSCentered(ystart2, font_info,
8695                         "Press buttons and move axes on");
8696       ystart2 += ystep_line;
8697       DrawTextSCentered(ystart2, font_info,
8698                         "your controller when indicated.");
8699       ystart2 += ystep_line;
8700       DrawTextSCentered(ystart2, font_info,
8701                         "(Your controller may look different.)");
8702       ystart2 += ystep_para;
8703
8704 #if defined(PLATFORM_ANDROID)
8705       DrawTextSCentered(ystart2, font_info,
8706                         "To correct a mistake,");
8707       ystart2 += ystep_line;
8708       DrawTextSCentered(ystart2, font_info,
8709                         "press the 'back' button.");
8710       ystart2 += ystep_line;
8711       DrawTextSCentered(ystart2, font_info,
8712                         "To skip a button or axis,");
8713       ystart2 += ystep_line;
8714       DrawTextSCentered(ystart2, font_info,
8715                         "press the 'menu' button.");
8716 #else
8717       DrawTextSCentered(ystart2, font_info,
8718                         "To correct a mistake,");
8719       ystart2 += ystep_line;
8720       DrawTextSCentered(ystart2, font_info,
8721                         "press the 'backspace' key.");
8722       ystart2 += ystep_line;
8723       DrawTextSCentered(ystart2, font_info,
8724                         "To skip a button or axis,");
8725       ystart2 += ystep_line;
8726       DrawTextSCentered(ystart2, font_info,
8727                         "press the 'return' key.");
8728       ystart2 += ystep_line;
8729       DrawTextSCentered(ystart2, font_info,
8730                         "To exit, press the 'escape' key.");
8731 #endif
8732
8733       BlitBitmapMasked(controller, drawto, 0, 0,
8734                        controller->width, controller->height,
8735                        controller_x, controller_y);
8736
8737       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8738       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8739
8740       BlitBitmapMasked(marker, drawto, 0, 0,
8741                        marker->width, marker->height,
8742                        marker_x, marker_y);
8743
8744       if (!screen_initialized)
8745         FadeIn(REDRAW_FIELD);
8746       else
8747         BackToFront();
8748
8749       screen_initialized = TRUE;
8750
8751       while (NextValidEvent(&event))
8752       {
8753         switch (event.type)
8754         {
8755           case SDL_JOYAXISMOTION:
8756             if (event.jaxis.value > 20000 ||
8757                 event.jaxis.value < -20000)
8758             {
8759               for (j = 0; j < i; j++)
8760                 if (steps[j].axis == event.jaxis.axis)
8761                   break;
8762
8763               if (j == i)
8764               {
8765                 if (step->marker != MARKER_AXIS_X &&
8766                     step->marker != MARKER_AXIS_Y)
8767                   break;
8768
8769                 step->axis = event.jaxis.axis;
8770                 strcat(mapping, step->field);
8771                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8772                 strcat(mapping, temp);
8773                 i++;
8774                 next = TRUE;
8775               }
8776             }
8777
8778             break;
8779
8780           case SDL_JOYHATMOTION:
8781             // ignore centering; we're probably just coming back
8782             // to the center from the previous item we set
8783             if (event.jhat.value == SDL_HAT_CENTERED)
8784               break;
8785
8786             for (j = 0; j < i; j++)
8787               if (steps[j].hat == event.jhat.hat &&
8788                   steps[j].hat_value == event.jhat.value)
8789                 break;
8790
8791             if (j == i)
8792             {
8793               step->hat = event.jhat.hat;
8794               step->hat_value = event.jhat.value;
8795               strcat(mapping, step->field);
8796               snprintf(temp, sizeof(temp), ":h%u.%u,",
8797                        event.jhat.hat, event.jhat.value );
8798               strcat(mapping, temp);
8799               i++;
8800               next = TRUE;
8801             }
8802
8803             break;
8804
8805           case SDL_JOYBALLMOTION:
8806             break;
8807
8808           case SDL_JOYBUTTONUP:
8809             for (j = 0; j < i; j++)
8810               if (steps[j].button == event.jbutton.button)
8811                 break;
8812
8813             if (j == i)
8814             {
8815               step->button = event.jbutton.button;
8816               strcat(mapping, step->field);
8817               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8818               strcat(mapping, temp);
8819               i++;
8820               next = TRUE;
8821             }
8822
8823             break;
8824
8825           case SDL_FINGERDOWN:
8826           case SDL_MOUSEBUTTONDOWN:
8827             // skip this step
8828             i++;
8829             next = TRUE;
8830
8831             break;
8832
8833           case SDL_KEYDOWN:
8834             if (event.key.keysym.sym == KSYM_BackSpace ||
8835                 event.key.keysym.sym == KSYM_Back)
8836             {
8837               if (i == 0)
8838               {
8839                 // leave screen
8840                 success = FALSE;
8841                 done = TRUE;
8842
8843                 break;
8844               }
8845
8846               // undo this step
8847               prev_step = &steps[i - 1];
8848               strcpy(mapping, prev_step->mapping);
8849               i--;
8850               next = TRUE;
8851
8852               break;
8853             }
8854
8855             if (event.key.keysym.sym == KSYM_space ||
8856                 event.key.keysym.sym == KSYM_Return ||
8857                 event.key.keysym.sym == KSYM_Menu)
8858             {
8859               // skip this step
8860               i++;
8861               next = TRUE;
8862
8863               break;
8864             }
8865
8866             if (event.key.keysym.sym == KSYM_Escape)
8867             {
8868               // leave screen
8869               success = FALSE;
8870               done = TRUE;
8871             }
8872
8873             break;
8874
8875           case SDL_QUIT:
8876             program.exit_function(0);
8877             break;
8878
8879           default:
8880             break;
8881         }
8882
8883         // do not handle events for longer than standard frame delay period
8884         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8885           break;
8886       }
8887     }
8888   }
8889
8890   if (success)
8891   {
8892 #if DEBUG_JOYSTICKS
8893     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8894 #endif
8895
8896     // activate mapping for this game
8897     SDL_GameControllerAddMapping(mapping);
8898
8899     // save mapping to personal mappings
8900     SaveSetup_AddGameControllerMapping(mapping);
8901   }
8902
8903   // wait until the last pending event was removed from event queue
8904   while (NextValidEvent(&event));
8905
8906   return success;
8907 }
8908
8909 static int ConfigureJoystickMain(int player_nr)
8910 {
8911   char *device_name = setup.input[player_nr].joy.device_name;
8912   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8913   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8914   int success = FALSE;
8915   int i;
8916
8917   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8918     return JOYSTICK_NOT_AVAILABLE;
8919
8920   if (!joystick_active || !setup.input[player_nr].use_joystick)
8921     return JOYSTICK_NOT_AVAILABLE;
8922
8923   FadeSetEnterMenu();
8924   FadeOut(REDRAW_FIELD);
8925
8926   // close all joystick devices (potentially opened as game controllers)
8927   for (i = 0; i < SDL_NumJoysticks(); i++)
8928     SDLCloseJoystick(i);
8929
8930   // open joystick device as plain joystick to configure as game controller
8931   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8932
8933   // as the joystick was successfully opened before, this should not happen
8934   if (joystick == NULL)
8935     return FALSE;
8936
8937   // create new game controller mapping (buttons and axes) for joystick device
8938   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8939
8940   // close joystick (and maybe re-open as configured game controller later)
8941   SDL_JoystickClose(joystick);
8942
8943   // re-open all joystick devices (potentially as game controllers)
8944   for (i = 0; i < SDL_NumJoysticks(); i++)
8945     SDLOpenJoystick(i);
8946
8947   // clear all joystick input actions for all joystick devices
8948   SDLClearJoystickState();
8949
8950   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8951 }
8952
8953 void ConfigureJoystick(int player_nr)
8954 {
8955   boolean state = ConfigureJoystickMain(player_nr);
8956
8957   if (state != JOYSTICK_NOT_CONFIGURED)
8958   {
8959     boolean success = (state == JOYSTICK_CONFIGURED);
8960     char message1[MAX_OUTPUT_LINESIZE + 1];
8961     char *message2 = (success ? "configured!" : "not available!");
8962     char *device_name = setup.input[player_nr].joy.device_name;
8963     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8964     int font_nr = FONT_TITLE_1;
8965     int font_height = getFontHeight(font_nr);
8966     int ypos1 = SYSIZE / 2 - font_height * 2;
8967     int ypos2 = SYSIZE / 2 - font_height * 1;
8968     unsigned int wait_frame_delay = 0;
8969     unsigned int wait_frame_delay_value = 2000;
8970
8971     ResetDelayCounter(&wait_frame_delay);
8972
8973     ClearField();
8974
8975     sprintf(message1, "Joystick %d", nr);
8976
8977     DrawTextSCentered(ypos1, font_nr, message1);
8978     DrawTextSCentered(ypos2, font_nr, message2);
8979
8980     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8981       BackToFront();
8982
8983     ClearEventQueue();
8984   }
8985
8986   DrawSetupScreen_Input();
8987 }
8988
8989 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8990 {
8991   if (y < video.screen_height / 3)
8992   {
8993     // remap touch gadgets to access upper part of the screen
8994     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8995     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8996   }
8997   else if (y > 2 * video.screen_height / 3)
8998   {
8999     // remap touch gadgets to access lower part of the screen
9000     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9001     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
9002   }
9003 }
9004
9005 static boolean ConfigureVirtualButtonsMain(void)
9006 {
9007   static char *customize_step_text[] =
9008   {
9009     "Move Left",
9010     "Move Right",
9011     "Move Up",
9012     "Move Down",
9013     "Snap Field",
9014     "Drop Element"
9015   };
9016   char grid_button[] =
9017   {
9018     CHAR_GRID_BUTTON_LEFT,
9019     CHAR_GRID_BUTTON_RIGHT,
9020     CHAR_GRID_BUTTON_UP,
9021     CHAR_GRID_BUTTON_DOWN,
9022     CHAR_GRID_BUTTON_SNAP,
9023     CHAR_GRID_BUTTON_DROP
9024   };
9025   enum
9026   {
9027     ACTION_NONE,
9028     ACTION_ESCAPE,
9029     ACTION_BACK,
9030     ACTION_NEXT
9031   };
9032   int font_nr = FONT_INPUT_1_ACTIVE;
9033   int font_height = getFontHeight(font_nr);
9034   int ypos1 = SYSIZE / 2 - font_height * 2;
9035   int ypos2 = SYSIZE / 2 - font_height * 1;
9036   boolean success = FALSE;
9037   boolean finished = FALSE;
9038   int step_nr = 0;
9039   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
9040   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9041   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
9042   boolean set_grid_button = FALSE;
9043   int nr = GRID_ACTIVE_NR();
9044   int x, y;
9045
9046   for (x = 0; x < MAX_GRID_XSIZE; x++)
9047     for (y = 0; y < MAX_GRID_YSIZE; y++)
9048       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
9049
9050   overlay.grid_button_highlight = grid_button[step_nr];
9051
9052   UnmapAllGadgets();
9053
9054   FadeSetEnterMenu();
9055   FadeOut(REDRAW_FIELD);
9056
9057   ClearField();
9058
9059   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9060   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9061   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9062
9063   FadeIn(REDRAW_FIELD);
9064
9065   SetOverlayShowGrid(TRUE);
9066
9067   // map gadgets for setup touch buttons menu screen
9068   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
9069
9070   while (!finished)
9071   {
9072     Event event;
9073
9074     while (NextValidEvent(&event))
9075     {
9076       int action = ACTION_NONE;
9077
9078       // ---------- handle events and set the resulting action ----------
9079
9080       switch (event.type)
9081       {
9082         case EVENT_USER:
9083           {
9084             UserEvent *user = (UserEvent *)&event;
9085             int id = user->value1;
9086
9087             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
9088                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
9089                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
9090                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
9091                       ACTION_NONE);
9092           }
9093           break;
9094
9095         case EVENT_KEYPRESS:
9096           {
9097             Key key = GetEventKey((KeyEvent *)&event, FALSE);
9098
9099             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
9100                       key == KSYM_BackSpace ||
9101                       key == KSYM_Back ?        ACTION_BACK :
9102                       key == KSYM_Return ||
9103                       key == KSYM_Menu ||
9104                       key == KSYM_space ?       ACTION_NEXT :
9105                       ACTION_NONE);
9106           }
9107           break;
9108
9109         case EVENT_KEYRELEASE:
9110           key_joystick_mapping = 0;
9111           break;
9112
9113         case EVENT_BUTTONPRESS:
9114         case EVENT_BUTTONRELEASE:
9115           {
9116             ButtonEvent *button = (ButtonEvent *)&event;
9117
9118             motion_status = FALSE;
9119
9120             if (button->type == EVENT_BUTTONPRESS)
9121               button_status = button->button;
9122             else
9123               button_status = MB_RELEASED;
9124
9125             if (HandleGadgets(button->x, button->y, button_status))
9126             {
9127               // do not handle this button event anymore
9128               break;
9129             }
9130
9131             button->x += video.screen_xoffset;
9132             button->y += video.screen_yoffset;
9133
9134             x = button->x * overlay.grid_xsize / video.screen_width;
9135             y = button->y * overlay.grid_ysize / video.screen_height;
9136
9137             if (button->type == EVENT_BUTTONPRESS)
9138             {
9139               grid_button_draw =
9140                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
9141                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
9142
9143               set_grid_button = TRUE;
9144             }
9145
9146             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
9147           }
9148           break;
9149
9150         case EVENT_MOTIONNOTIFY:
9151           {
9152             MotionEvent *motion = (MotionEvent *)&event;
9153
9154             motion_status = TRUE;
9155
9156             if (HandleGadgets(motion->x, motion->y, button_status))
9157             {
9158               // do not handle this button event anymore
9159               break;
9160             }
9161
9162             motion->x += video.screen_xoffset;
9163             motion->y += video.screen_yoffset;
9164
9165             x = motion->x * overlay.grid_xsize / video.screen_width;
9166             y = motion->y * overlay.grid_ysize / video.screen_height;
9167
9168             set_grid_button = TRUE;
9169
9170             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
9171           }
9172           break;
9173
9174         case SDL_WINDOWEVENT:
9175           HandleWindowEvent((WindowEvent *) &event);
9176
9177           // check if device has been rotated
9178           if (nr != GRID_ACTIVE_NR())
9179           {
9180             nr = GRID_ACTIVE_NR();
9181
9182             for (x = 0; x < MAX_GRID_XSIZE; x++)
9183               for (y = 0; y < MAX_GRID_YSIZE; y++)
9184                 grid_button_old[x][y] = grid_button_tmp[x][y] =
9185                   overlay.grid_button[x][y];
9186           }
9187
9188           break;
9189
9190         case SDL_APP_WILLENTERBACKGROUND:
9191         case SDL_APP_DIDENTERBACKGROUND:
9192         case SDL_APP_WILLENTERFOREGROUND:
9193         case SDL_APP_DIDENTERFOREGROUND:
9194           HandlePauseResumeEvent((PauseResumeEvent *) &event);
9195           break;
9196
9197         default:
9198           HandleOtherEvents(&event);
9199           break;
9200       }
9201
9202       // ---------- perform action set by handling events ----------
9203
9204       if (action == ACTION_ESCAPE)
9205       {
9206         // abort and restore the old key bindings
9207
9208         for (x = 0; x < MAX_GRID_XSIZE; x++)
9209           for (y = 0; y < MAX_GRID_YSIZE; y++)
9210             overlay.grid_button[x][y] = grid_button_old[x][y];
9211
9212         FadeSkipNextFadeIn();
9213
9214         finished = TRUE;
9215       }
9216       else if (action == ACTION_BACK)
9217       {
9218         // keep the configured key bindings and go to previous page
9219
9220         step_nr--;
9221
9222         if (step_nr < 0)
9223         {
9224           FadeSkipNextFadeIn();
9225
9226           finished = TRUE;
9227         }
9228       }
9229       else if (action == ACTION_NEXT)
9230       {
9231         // keep the configured key bindings and go to next page
9232
9233         step_nr++;
9234
9235         // all virtual buttons configured
9236         if (step_nr == 6)
9237         {
9238           finished = TRUE;
9239           success = TRUE;
9240         }
9241       }
9242
9243       if (action != ACTION_NONE && !finished)
9244       {
9245         for (x = 0; x < MAX_GRID_XSIZE; x++)
9246           for (y = 0; y < MAX_GRID_YSIZE; y++)
9247             grid_button_tmp[x][y] = overlay.grid_button[x][y];
9248
9249         overlay.grid_button_highlight = grid_button[step_nr];
9250
9251         // configure next virtual button
9252
9253         ClearField();
9254
9255         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
9256         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
9257         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
9258       }
9259
9260       if (set_grid_button)
9261       {
9262         overlay.grid_button[x][y] =
9263           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
9264            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
9265            grid_button_tmp[x][y]);
9266
9267         set_grid_button = FALSE;
9268       }
9269     }
9270
9271     BackToFront();
9272   }
9273
9274   for (x = 0; x < MAX_GRID_XSIZE; x++)
9275     for (y = 0; y < MAX_GRID_YSIZE; y++)
9276       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9277
9278   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
9279
9280   SetOverlayShowGrid(FALSE);
9281
9282   return success;
9283 }
9284
9285 void ConfigureVirtualButtons(void)
9286 {
9287   boolean success = ConfigureVirtualButtonsMain();
9288
9289   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
9290                          SCREEN_MASK_TOUCH2);
9291
9292   if (success)
9293   {
9294     int font_nr = FONT_TITLE_1;
9295     int font_height = getFontHeight(font_nr);
9296     int ypos1 = SYSIZE / 2 - font_height * 2;
9297     int ypos2 = SYSIZE / 2 - font_height * 1;
9298     unsigned int wait_frame_delay = 0;
9299     unsigned int wait_frame_delay_value = 2000;
9300
9301     ResetDelayCounter(&wait_frame_delay);
9302
9303     ClearField();
9304
9305     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
9306     DrawTextSCentered(ypos2, font_nr, "configured!");
9307
9308     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
9309       BackToFront();
9310
9311     ClearEventQueue();
9312   }
9313 }
9314
9315 void DrawSetupScreen(void)
9316 {
9317   align_xoffset = 0;
9318   align_yoffset = 0;
9319
9320   if (setup_mode == SETUP_MODE_INPUT)
9321     DrawSetupScreen_Input();
9322   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9323     DrawChooseTree(&scores_type_current);
9324   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9325     DrawChooseTree(&game_speed_current);
9326   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9327     DrawChooseTree(&scroll_delay_current);
9328   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9329     DrawChooseTree(&snapshot_mode_current);
9330   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9331     DrawChooseTree(&window_size_current);
9332   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9333     DrawChooseTree(&scaling_type_current);
9334   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9335     DrawChooseTree(&rendering_mode_current);
9336   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9337     DrawChooseTree(&vsync_mode_current);
9338   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9339     DrawChooseTree(&artwork.gfx_current);
9340   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9341     DrawChooseTree(&artwork.snd_current);
9342   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9343     DrawChooseTree(&artwork.mus_current);
9344   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9345     DrawChooseTree(&volume_simple_current);
9346   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9347     DrawChooseTree(&volume_loops_current);
9348   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9349     DrawChooseTree(&volume_music_current);
9350   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9351     DrawChooseTree(&touch_control_current);
9352   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9353     DrawChooseTree(&move_distance_current);
9354   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9355     DrawChooseTree(&drop_distance_current);
9356   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9357     DrawChooseTree(&transparency_current);
9358   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9359     DrawChooseTree(&grid_size_current[0][0]);
9360   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9361     DrawChooseTree(&grid_size_current[0][1]);
9362   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9363     DrawChooseTree(&grid_size_current[1][0]);
9364   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9365     DrawChooseTree(&grid_size_current[1][1]);
9366   else
9367     DrawSetupScreen_Generic();
9368
9369   PlayMenuSoundsAndMusic();
9370 }
9371
9372 void RedrawSetupScreenAfterFullscreenToggle(void)
9373 {
9374   if (setup_mode == SETUP_MODE_GRAPHICS ||
9375       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9376   {
9377     // update list selection from "setup.window_scaling_percent"
9378     execSetupGraphics_setWindowSizes(TRUE);
9379
9380     DrawSetupScreen();
9381   }
9382 }
9383
9384 void RedrawSetupScreenAfterScreenRotation(int nr)
9385 {
9386   int x, y;
9387
9388   if (setup_mode == SETUP_MODE_TOUCH)
9389   {
9390     // update virtual button settings (depending on screen orientation)
9391     DrawSetupScreen();
9392   }
9393   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9394   {
9395     // save already configured virtual buttons
9396     for (x = 0; x < MAX_GRID_XSIZE; x++)
9397       for (y = 0; y < MAX_GRID_YSIZE; y++)
9398         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9399   }
9400 }
9401
9402 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9403 {
9404   if (setup_mode == SETUP_MODE_INPUT)
9405     HandleSetupScreen_Input(mx, my, dx, dy, button);
9406   else if (setup_mode == SETUP_MODE_CHOOSE_SCORES_TYPE)
9407     HandleChooseTree(mx, my, dx, dy, button, &scores_type_current);
9408   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9409     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9410   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9411     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9412   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9413     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9414   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9415     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9416   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9417     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9418   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9419     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9420   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9421     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9422   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9423     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9424   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9425     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9426   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9427     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9428   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9429     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9430   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9431     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9432   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9433     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9434   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9435     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9436   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9437     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9438   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9439     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9440   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9441     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9442   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9443     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9444   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9445     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9446   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9447     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9448   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9449     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9450   else
9451     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9452 }
9453
9454 void HandleGameActions(void)
9455 {
9456   if (setup.ask_on_game_over)
9457     CheckGameOver();
9458
9459   if (game.restart_game_message != NULL)
9460   {
9461     RequestRestartGame(game.restart_game_message);
9462
9463     return;
9464   }
9465
9466   if (game_status != GAME_MODE_PLAYING)
9467     return;
9468
9469   GameActions();                // main game loop
9470
9471   if (tape.auto_play && !tape.playing)
9472     AutoPlayTapesContinue();    // continue automatically playing next tape
9473 }
9474
9475
9476 // ---------- new screen button stuff --------------------------------------
9477
9478 static struct
9479 {
9480   int gfx_unpressed, gfx_pressed;
9481   struct MenuPosInfo *pos;
9482   boolean *check_value;
9483   int gadget_id;
9484   int screen_mask;
9485   unsigned int event_mask;
9486   boolean is_touch_button;
9487   char *infotext;
9488 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9489 {
9490   {
9491     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9492     &menu.main.button.prev_level, NULL,
9493     SCREEN_CTRL_ID_PREV_LEVEL,
9494     SCREEN_MASK_MAIN,
9495     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9496     FALSE, "previous level"
9497   },
9498   {
9499     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9500     &menu.main.button.next_level, NULL,
9501     SCREEN_CTRL_ID_NEXT_LEVEL,
9502     SCREEN_MASK_MAIN,
9503     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9504     FALSE, "next level"
9505   },
9506   {
9507     IMG_MENU_BUTTON_PREV_LEVEL2, IMG_MENU_BUTTON_PREV_LEVEL2_ACTIVE,
9508     &menu.scores.button.prev_level, NULL,
9509     SCREEN_CTRL_ID_PREV_LEVEL2,
9510     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9511     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9512     FALSE, "previous level"
9513   },
9514   {
9515     IMG_MENU_BUTTON_NEXT_LEVEL2, IMG_MENU_BUTTON_NEXT_LEVEL2_ACTIVE,
9516     &menu.scores.button.next_level, NULL,
9517     SCREEN_CTRL_ID_NEXT_LEVEL2,
9518     SCREEN_MASK_SCORES | SCREEN_MASK_SCORES_INFO,
9519     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9520     FALSE, "next level"
9521   },
9522   {
9523     IMG_MENU_BUTTON_PREV_SCORE, IMG_MENU_BUTTON_PREV_SCORE_ACTIVE,
9524     &menu.scores.button.prev_score, NULL,
9525     SCREEN_CTRL_ID_PREV_SCORE,
9526     SCREEN_MASK_SCORES_INFO,
9527     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9528     FALSE, "previous score"
9529   },
9530   {
9531     IMG_MENU_BUTTON_NEXT_SCORE, IMG_MENU_BUTTON_NEXT_SCORE_ACTIVE,
9532     &menu.scores.button.next_score, NULL,
9533     SCREEN_CTRL_ID_NEXT_SCORE,
9534     SCREEN_MASK_SCORES_INFO,
9535     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9536     FALSE, "next score"
9537   },
9538   {
9539     IMG_MENU_BUTTON_PLAY_TAPE, IMG_MENU_BUTTON_PLAY_TAPE,
9540     &menu.scores.button.play_tape, NULL,
9541     SCREEN_CTRL_ID_PLAY_TAPE,
9542     SCREEN_MASK_SCORES_INFO,
9543     GD_EVENT_RELEASED,
9544     FALSE, "play tape"
9545   },
9546   {
9547     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9548     &menu.main.button.first_level, NULL,
9549     SCREEN_CTRL_ID_FIRST_LEVEL,
9550     SCREEN_MASK_MAIN,
9551     GD_EVENT_RELEASED,
9552     FALSE, "first level"
9553   },
9554   {
9555     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9556     &menu.main.button.last_level, NULL,
9557     SCREEN_CTRL_ID_LAST_LEVEL,
9558     SCREEN_MASK_MAIN,
9559     GD_EVENT_RELEASED,
9560     FALSE, "last level"
9561   },
9562   {
9563     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9564     &menu.main.button.level_number, NULL,
9565     SCREEN_CTRL_ID_LEVEL_NUMBER,
9566     SCREEN_MASK_MAIN,
9567     GD_EVENT_RELEASED,
9568     FALSE, "level number"
9569   },
9570   {
9571     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9572     &menu.setup.button.prev_player, NULL,
9573     SCREEN_CTRL_ID_PREV_PLAYER,
9574     SCREEN_MASK_INPUT,
9575     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9576     FALSE, "previous player"
9577   },
9578   {
9579     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9580     &menu.setup.button.next_player, NULL,
9581     SCREEN_CTRL_ID_NEXT_PLAYER,
9582     SCREEN_MASK_INPUT,
9583     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9584     FALSE, "next player"
9585   },
9586   {
9587     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9588     &menu.main.button.insert_solution, NULL,
9589     SCREEN_CTRL_ID_INSERT_SOLUTION,
9590     SCREEN_MASK_MAIN_HAS_SOLUTION,
9591     GD_EVENT_RELEASED,
9592     FALSE, "insert solution tape"
9593   },
9594   {
9595     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9596     &menu.main.button.play_solution, NULL,
9597     SCREEN_CTRL_ID_PLAY_SOLUTION,
9598     SCREEN_MASK_MAIN_HAS_SOLUTION,
9599     GD_EVENT_RELEASED,
9600     FALSE, "play solution tape"
9601   },
9602   {
9603     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9604     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9605     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9606     SCREEN_MASK_MAIN,
9607     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9608     FALSE, "switch ECS/AGA chipset"
9609   },
9610   {
9611     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9612     &menu.setup.button.touch_back, NULL,
9613     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9614     SCREEN_MASK_TOUCH,
9615     GD_EVENT_RELEASED,
9616     TRUE, "previous page"
9617   },
9618   {
9619     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9620     &menu.setup.button.touch_next, NULL,
9621     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9622     SCREEN_MASK_TOUCH,
9623     GD_EVENT_RELEASED,
9624     TRUE, "next page"
9625   },
9626   {
9627     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9628     &menu.setup.button.touch_back2, NULL,
9629     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9630     SCREEN_MASK_TOUCH2,
9631     GD_EVENT_RELEASED,
9632     TRUE, "previous page"
9633   },
9634   {
9635     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9636     &menu.setup.button.touch_next2, NULL,
9637     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9638     SCREEN_MASK_TOUCH2,
9639     GD_EVENT_RELEASED,
9640     TRUE, "next page"
9641   },
9642 };
9643
9644 static struct
9645 {
9646   int gfx_unpressed, gfx_pressed;
9647   int x, y;
9648   int gadget_id;
9649   char *infotext;
9650 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9651 {
9652   {
9653     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9654     -1, -1,     // these values are not constant, but can change at runtime
9655     SCREEN_CTRL_ID_SCROLL_UP,
9656     "scroll up"
9657   },
9658   {
9659     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9660     -1, -1,     // these values are not constant, but can change at runtime
9661     SCREEN_CTRL_ID_SCROLL_DOWN,
9662     "scroll down"
9663   }
9664 };
9665
9666 static struct
9667 {
9668   int gfx_unpressed, gfx_pressed;
9669   int x, y;
9670   int width, height;
9671   int type;
9672   int gadget_id;
9673   char *infotext;
9674 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9675 {
9676   {
9677     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9678     -1, -1,     // these values are not constant, but can change at runtime
9679     -1, -1,     // these values are not constant, but can change at runtime
9680     GD_TYPE_SCROLLBAR_VERTICAL,
9681     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9682     "scroll level series vertically"
9683   }
9684 };
9685
9686 static struct
9687 {
9688   int graphic;
9689   int gadget_id;
9690   int x, y;
9691   int size;
9692   char *value;
9693   char *infotext;
9694 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9695 {
9696   {
9697     IMG_SETUP_INPUT_TEXT,
9698     SCREEN_CTRL_ID_NETWORK_SERVER,
9699     -1, -1,     // these values are not constant, but can change at runtime
9700     MAX_SETUP_TEXT_INPUT_LEN,
9701     network_server_hostname,
9702     "Network Server Hostname / IP"
9703   },
9704 };
9705
9706 static void CreateScreenMenubuttons(void)
9707 {
9708   struct GadgetInfo *gi;
9709   unsigned int event_mask;
9710   int i;
9711
9712   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9713   {
9714     struct MenuPosInfo *pos = menubutton_info[i].pos;
9715     int screen_mask = menubutton_info[i].screen_mask;
9716     boolean is_touch_button = menubutton_info[i].is_touch_button;
9717     boolean is_check_button = menubutton_info[i].check_value != NULL;
9718     boolean is_score_button = (screen_mask & SCREEN_MASK_SCORES_INFO);
9719     boolean has_gfx_pressed = (menubutton_info[i].gfx_pressed ==
9720                                menubutton_info[i].gfx_unpressed);
9721     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9722     int gfx_unpressed, gfx_pressed;
9723     int x, y, width, height;
9724     int gd_x1, gd_x2, gd_y1, gd_y2;
9725     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9726     int id = menubutton_info[i].gadget_id;
9727     int type = GD_TYPE_NORMAL_BUTTON;
9728     boolean checked = FALSE;
9729
9730     event_mask = menubutton_info[i].event_mask;
9731
9732     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9733     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9734
9735     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9736     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9737
9738     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9739     gfx_pressed   = menubutton_info[i].gfx_pressed;
9740     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9741     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9742     gd_x1 = graphic_info[gfx_unpressed].src_x;
9743     gd_y1 = graphic_info[gfx_unpressed].src_y;
9744     gd_x2 = graphic_info[gfx_pressed].src_x;
9745     gd_y2 = graphic_info[gfx_pressed].src_y;
9746     gd_x1a = gd_x1;
9747     gd_y1a = gd_y1;
9748     gd_x2a = gd_x2;
9749     gd_y2a = gd_y2;
9750
9751     if (has_gfx_pressed)
9752     {
9753       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9754       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9755     }
9756
9757     if (is_check_button)
9758     {
9759       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9760       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9761       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9762       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9763
9764       type = GD_TYPE_CHECK_BUTTON;
9765       checked = *menubutton_info[i].check_value;
9766     }
9767
9768     if (is_score_button)
9769     {
9770       // if x/y set to -1, dynamically place buttons next to title text
9771       int title_width = getTextWidth(INFOTEXT_SCORE_ENTRY, FONT_TITLE_1);
9772
9773       // special compatibility handling for "Snake Bite" graphics set
9774       if (strPrefix(leveldir_current->identifier, "snake_bite"))
9775         title_width = strlen(INFOTEXT_SCORE_ENTRY) * 32;
9776
9777       // use "SX" here to center buttons (ignore horizontal draw offset)
9778       if (pos->x == -1)
9779         x = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ?
9780              SX + (SXSIZE - title_width) / 2 - width * 3 / 2 :
9781              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ?
9782              SX + (SXSIZE + title_width) / 2 + width / 2 : 0);
9783
9784       // use "mSY" here to place buttons (respect vertical draw offset)
9785       if (pos->y == -1)
9786         y = (id == SCREEN_CTRL_ID_PREV_LEVEL2 ||
9787              id == SCREEN_CTRL_ID_NEXT_LEVEL2 ? mSY + MENU_TITLE1_YPOS : 0);
9788     }
9789
9790     gi = CreateGadget(GDI_CUSTOM_ID, id,
9791                       GDI_CUSTOM_TYPE_ID, i,
9792                       GDI_IMAGE_ID, gfx_unpressed,
9793                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9794                       GDI_X, x,
9795                       GDI_Y, y,
9796                       GDI_WIDTH, width,
9797                       GDI_HEIGHT, height,
9798                       GDI_TYPE, type,
9799                       GDI_STATE, GD_BUTTON_UNPRESSED,
9800                       GDI_CHECKED, checked,
9801                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9802                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9803                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9804                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9805                       GDI_DIRECT_DRAW, FALSE,
9806                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9807                       GDI_EVENT_MASK, event_mask,
9808                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9809                       GDI_END);
9810
9811     if (gi == NULL)
9812       Fail("cannot create gadget");
9813
9814     screen_gadget[id] = gi;
9815   }
9816 }
9817
9818 static void CreateScreenScrollbuttons(void)
9819 {
9820   struct GadgetInfo *gi;
9821   unsigned int event_mask;
9822   int i;
9823
9824   // these values are not constant, but can change at runtime
9825   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9826   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9827   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9828   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9829
9830   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9831   {
9832     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9833     int gfx_unpressed, gfx_pressed;
9834     int x, y, width, height;
9835     int gd_x1, gd_x2, gd_y1, gd_y2;
9836     int id = scrollbutton_info[i].gadget_id;
9837
9838     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9839
9840     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9841     y = mSY + scrollbutton_info[i].y;
9842     width = SC_SCROLLBUTTON_XSIZE;
9843     height = SC_SCROLLBUTTON_YSIZE;
9844
9845     // correct scrollbar position if placed outside menu (playfield) area
9846     if (x > SX + SC_SCROLL_UP_XPOS)
9847       x = SX + SC_SCROLL_UP_XPOS;
9848
9849     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9850       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9851                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9852
9853     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9854     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9855     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9856     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9857     gd_x1 = graphic_info[gfx_unpressed].src_x;
9858     gd_y1 = graphic_info[gfx_unpressed].src_y;
9859     gd_x2 = graphic_info[gfx_pressed].src_x;
9860     gd_y2 = graphic_info[gfx_pressed].src_y;
9861
9862     gi = CreateGadget(GDI_CUSTOM_ID, id,
9863                       GDI_CUSTOM_TYPE_ID, i,
9864                       GDI_IMAGE_ID, gfx_unpressed,
9865                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9866                       GDI_X, x,
9867                       GDI_Y, y,
9868                       GDI_WIDTH, width,
9869                       GDI_HEIGHT, height,
9870                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9871                       GDI_STATE, GD_BUTTON_UNPRESSED,
9872                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9873                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9874                       GDI_DIRECT_DRAW, FALSE,
9875                       GDI_EVENT_MASK, event_mask,
9876                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9877                       GDI_END);
9878
9879     if (gi == NULL)
9880       Fail("cannot create gadget");
9881
9882     screen_gadget[id] = gi;
9883   }
9884 }
9885
9886 static void CreateScreenScrollbars(void)
9887 {
9888   int i;
9889
9890   // these values are not constant, but can change at runtime
9891   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9892   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9893   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9894   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9895
9896   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9897   {
9898     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9899     int gfx_unpressed, gfx_pressed;
9900     int x, y, width, height;
9901     int gd_x1, gd_x2, gd_y1, gd_y2;
9902     struct GadgetInfo *gi;
9903     int items_max, items_visible, item_position;
9904     unsigned int event_mask;
9905     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9906     int id = scrollbar_info[i].gadget_id;
9907
9908     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9909
9910     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9911     y = mSY + scrollbar_info[i].y;
9912     width  = scrollbar_info[i].width;
9913     height = scrollbar_info[i].height;
9914
9915     // correct scrollbar position if placed outside menu (playfield) area
9916     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9917       x = SX + SC_SCROLL_VERTICAL_XPOS;
9918
9919     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9920       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9921
9922     items_max = num_page_entries;
9923     items_visible = num_page_entries;
9924     item_position = 0;
9925
9926     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9927     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9928     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9929     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9930     gd_x1 = graphic_info[gfx_unpressed].src_x;
9931     gd_y1 = graphic_info[gfx_unpressed].src_y;
9932     gd_x2 = graphic_info[gfx_pressed].src_x;
9933     gd_y2 = graphic_info[gfx_pressed].src_y;
9934
9935     gi = CreateGadget(GDI_CUSTOM_ID, id,
9936                       GDI_CUSTOM_TYPE_ID, i,
9937                       GDI_IMAGE_ID, gfx_unpressed,
9938                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9939                       GDI_X, x,
9940                       GDI_Y, y,
9941                       GDI_WIDTH, width,
9942                       GDI_HEIGHT, height,
9943                       GDI_TYPE, scrollbar_info[i].type,
9944                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9945                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9946                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9947                       GDI_WHEEL_AREA_X, SX,
9948                       GDI_WHEEL_AREA_Y, SY,
9949                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9950                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9951                       GDI_STATE, GD_BUTTON_UNPRESSED,
9952                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9953                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9954                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9955                       GDI_DIRECT_DRAW, FALSE,
9956                       GDI_EVENT_MASK, event_mask,
9957                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9958                       GDI_END);
9959
9960     if (gi == NULL)
9961       Fail("cannot create gadget");
9962
9963     screen_gadget[id] = gi;
9964   }
9965 }
9966
9967 static void CreateScreenTextInputGadgets(void)
9968 {
9969   int i;
9970
9971   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9972   {
9973     int graphic = textinput_info[i].graphic;
9974     struct GraphicInfo *gd = &graphic_info[graphic];
9975     int gd_x1 = gd->src_x;
9976     int gd_y1 = gd->src_y;
9977     int gd_x2 = gd->src_x + gd->active_xoffset;
9978     int gd_y2 = gd->src_y + gd->active_yoffset;
9979     struct GadgetInfo *gi;
9980     unsigned int event_mask;
9981     int id = textinput_info[i].gadget_id;
9982     int x = textinput_info[i].x;
9983     int y = textinput_info[i].y;
9984
9985     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9986
9987     gi = CreateGadget(GDI_CUSTOM_ID, id,
9988                       GDI_CUSTOM_TYPE_ID, i,
9989                       GDI_INFO_TEXT, textinput_info[i].infotext,
9990                       GDI_X, SX + x,
9991                       GDI_Y, SY + y,
9992                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9993                       GDI_TEXT_VALUE, textinput_info[i].value,
9994                       GDI_TEXT_SIZE, textinput_info[i].size,
9995                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9996                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9997                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9998                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9999                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
10000                       GDI_DESIGN_WIDTH, gd->width,
10001                       GDI_EVENT_MASK, event_mask,
10002                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
10003                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
10004                       GDI_END);
10005
10006     if (gi == NULL)
10007       Fail("cannot create gadget");
10008
10009     screen_gadget[id] = gi;
10010   }
10011 }
10012
10013 void CreateScreenGadgets(void)
10014 {
10015   CreateScreenMenubuttons();
10016
10017   CreateScreenScrollbuttons();
10018   CreateScreenScrollbars();
10019
10020   CreateScreenTextInputGadgets();
10021 }
10022
10023 void FreeScreenGadgets(void)
10024 {
10025   int i;
10026
10027   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
10028     FreeGadget(screen_gadget[i]);
10029 }
10030
10031 static void RedrawScreenMenuGadgets(int screen_mask)
10032 {
10033   int i;
10034
10035   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10036     if (screen_mask & menubutton_info[i].screen_mask)
10037       RedrawGadget(screen_gadget[menubutton_info[i].gadget_id]);
10038 }
10039
10040 static void MapScreenMenuGadgets(int screen_mask)
10041 {
10042   int i;
10043
10044   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10045     if (screen_mask & menubutton_info[i].screen_mask)
10046       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10047 }
10048
10049 static void UnmapScreenMenuGadgets(int screen_mask)
10050 {
10051   int i;
10052
10053   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
10054   {
10055     if (screen_mask & menubutton_info[i].screen_mask)
10056     {
10057       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
10058
10059       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
10060         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
10061                        screen_gadget[menubutton_info[i].gadget_id]->y,
10062                        screen_gadget[menubutton_info[i].gadget_id]->width,
10063                        screen_gadget[menubutton_info[i].gadget_id]->height);
10064     }
10065   }
10066 }
10067
10068 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
10069 {
10070   if (map_gadgets)
10071     MapScreenMenuGadgets(screen_mask);
10072   else
10073     UnmapScreenMenuGadgets(screen_mask);
10074 }
10075
10076 static void MapScreenGadgets(int num_entries)
10077 {
10078   int i;
10079
10080   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
10081     return;
10082
10083   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10084     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10085
10086   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10087     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10088 }
10089
10090 static void UnmapScreenGadgets()
10091 {
10092   int i;
10093
10094   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
10095     UnmapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
10096
10097   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
10098     UnmapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
10099 }
10100
10101 static void MapScreenTreeGadgets(TreeInfo *ti)
10102 {
10103   MapScreenGadgets(numTreeInfoInGroup(ti));
10104 }
10105
10106 static void UnmapScreenTreeGadgets(void)
10107 {
10108   UnmapScreenGadgets();
10109 }
10110
10111 static void AdjustScoreInfoButtons_SelectScore(int x, int y1, int y2)
10112 {
10113   struct GadgetInfo *gi_1 = screen_gadget[SCREEN_CTRL_ID_PREV_SCORE];
10114   struct GadgetInfo *gi_2 = screen_gadget[SCREEN_CTRL_ID_NEXT_SCORE];
10115   struct MenuPosInfo *pos_1 = menubutton_info[SCREEN_CTRL_ID_PREV_SCORE].pos;
10116   struct MenuPosInfo *pos_2 = menubutton_info[SCREEN_CTRL_ID_NEXT_SCORE].pos;
10117
10118   if (pos_1->x == -1 && pos_1->y == -1)
10119     ModifyGadget(gi_1, GDI_X, x, GDI_Y, y1, GDI_END);
10120
10121   if (pos_2->x == -1 && pos_2->y == -1)
10122     ModifyGadget(gi_2, GDI_X, x, GDI_Y, y2, GDI_END);
10123 }
10124
10125 static void AdjustScoreInfoButtons_PlayTape(int x, int y, boolean visible)
10126 {
10127   struct GadgetInfo *gi = screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE];
10128   struct MenuPosInfo *pos = menubutton_info[SCREEN_CTRL_ID_PLAY_TAPE].pos;
10129
10130   // set gadget position dynamically, pre-defined or off-screen
10131   int xx = (visible ? (pos->x == -1 ? x : pos->x) : POS_OFFSCREEN);
10132   int yy = (visible ? (pos->y == -1 ? y : pos->y) : POS_OFFSCREEN);
10133
10134   ModifyGadget(gi, GDI_X, xx, GDI_Y, yy, GDI_END);
10135   MapGadget(gi);        // (needed if deactivated on last score page)
10136 }
10137
10138 static void HandleScreenGadgets(struct GadgetInfo *gi)
10139 {
10140   int id = gi->custom_id;
10141   int button = gi->event.button;
10142   int step = (button == MB_LEFTBUTTON   ? 1 :
10143               button == MB_MIDDLEBUTTON ? 5 :
10144               button == MB_RIGHTBUTTON  ? 10 : 1);
10145
10146   switch (id)
10147   {
10148     case SCREEN_CTRL_ID_PREV_LEVEL:
10149       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
10150       break;
10151
10152     case SCREEN_CTRL_ID_NEXT_LEVEL:
10153       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
10154       break;
10155
10156     case SCREEN_CTRL_ID_PREV_LEVEL2:
10157       HandleHallOfFame_SelectLevel(step, -1);
10158       break;
10159
10160     case SCREEN_CTRL_ID_NEXT_LEVEL2:
10161       HandleHallOfFame_SelectLevel(step, +1);
10162       break;
10163
10164     case SCREEN_CTRL_ID_PREV_SCORE:
10165       HandleScoreInfo_SelectScore(step, -1);
10166       break;
10167
10168     case SCREEN_CTRL_ID_NEXT_SCORE:
10169       HandleScoreInfo_SelectScore(step, +1);
10170       break;
10171
10172     case SCREEN_CTRL_ID_PLAY_TAPE:
10173       HandleScoreInfo_PlayTape();
10174       break;
10175
10176     case SCREEN_CTRL_ID_FIRST_LEVEL:
10177       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
10178       break;
10179
10180     case SCREEN_CTRL_ID_LAST_LEVEL:
10181       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
10182       break;
10183
10184     case SCREEN_CTRL_ID_LEVEL_NUMBER:
10185       CloseDoor(DOOR_CLOSE_2);
10186       SetGameStatus(GAME_MODE_LEVELNR);
10187       DrawChooseLevelNr();
10188       break;
10189
10190     case SCREEN_CTRL_ID_PREV_PLAYER:
10191       HandleSetupScreen_Input_Player(step, -1);
10192       break;
10193
10194     case SCREEN_CTRL_ID_NEXT_PLAYER:
10195       HandleSetupScreen_Input_Player(step, +1);
10196       break;
10197
10198     case SCREEN_CTRL_ID_INSERT_SOLUTION:
10199       InsertSolutionTape();
10200       break;
10201
10202     case SCREEN_CTRL_ID_PLAY_SOLUTION:
10203       PlaySolutionTape();
10204       break;
10205
10206     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
10207       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
10208       DrawMainMenu();
10209       break;
10210
10211     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
10212     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
10213     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
10214     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
10215       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
10216       break;
10217
10218     case SCREEN_CTRL_ID_SCROLL_UP:
10219       if (game_status == GAME_MODE_NAMES)
10220         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10221       else if (game_status == GAME_MODE_LEVELS)
10222         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10223       else if (game_status == GAME_MODE_LEVELNR)
10224         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10225       else if (game_status == GAME_MODE_SETUP)
10226         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10227       else if (game_status == GAME_MODE_INFO)
10228         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10229       else if (game_status == GAME_MODE_SCORES)
10230         HandleHallOfFame(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
10231       break;
10232
10233     case SCREEN_CTRL_ID_SCROLL_DOWN:
10234       if (game_status == GAME_MODE_NAMES)
10235         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10236       else if (game_status == GAME_MODE_LEVELS)
10237         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10238       else if (game_status == GAME_MODE_LEVELNR)
10239         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10240       else if (game_status == GAME_MODE_SETUP)
10241         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10242       else if (game_status == GAME_MODE_INFO)
10243         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10244       else if (game_status == GAME_MODE_SCORES)
10245         HandleHallOfFame(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
10246       break;
10247
10248     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
10249       if (game_status == GAME_MODE_NAMES)
10250         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10251       else if (game_status == GAME_MODE_LEVELS)
10252         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10253       else if (game_status == GAME_MODE_LEVELNR)
10254         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
10255       else if (game_status == GAME_MODE_SETUP)
10256         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10257       else if (game_status == GAME_MODE_INFO)
10258         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10259       else if (game_status == GAME_MODE_SCORES)
10260         HandleHallOfFame(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
10261       break;
10262
10263     case SCREEN_CTRL_ID_NETWORK_SERVER:
10264     {
10265       if (!strEqual(gi->textinput.value, ""))
10266       {
10267         setString(&setup.network_server_hostname, gi->textinput.value);
10268
10269         network.server_host = setup.network_server_hostname;
10270       }
10271       else
10272       {
10273         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
10274
10275         network.server_host = NULL;
10276       }
10277
10278       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
10279         network.server_host = NULL;
10280
10281       execSetupGame_setNetworkServerText();
10282
10283       DrawSetupScreen();
10284
10285       break;
10286     }
10287
10288     default:
10289       break;
10290   }
10291 }
10292
10293 void HandleScreenGadgetKeys(Key key)
10294 {
10295   if (key == setup.shortcut.tape_play)
10296     HandleScreenGadgets(screen_gadget[SCREEN_CTRL_ID_PLAY_TAPE]);
10297 }
10298
10299 void DumpScreenIdentifiers(void)
10300 {
10301   int i;
10302
10303   Print("Active screen elements on current screen:\n");
10304
10305   for (i = 0; main_controls[i].nr != -1; i++)
10306   {
10307     struct MainControlInfo *mci = &main_controls[i];
10308
10309     if (mci->button_graphic != -1)
10310     {
10311       char *token = getTokenFromImageID(mci->button_graphic);
10312
10313       Print("- '%s'\n", token);
10314     }
10315   }
10316
10317   Print("Done.\n");
10318 }
10319
10320 boolean DoScreenAction(int image_id)
10321 {
10322   int i;
10323
10324   if (game_status != GAME_MODE_MAIN)
10325     return FALSE;
10326
10327   for (i = 0; main_controls[i].nr != -1; i++)
10328   {
10329     struct MainControlInfo *mci = &main_controls[i];
10330     struct MenuPosInfo *pos = mci->pos_button;
10331
10332     if (mci->button_graphic == image_id)
10333     {
10334       int x = mSX + pos->x;
10335       int y = mSY + pos->y;
10336
10337       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
10338
10339       return TRUE;
10340     }
10341   }
10342
10343   return FALSE;
10344 }
10345
10346 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
10347 {
10348   // get tree info node of newly added level or artwork set
10349   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
10350   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
10351                                                       tree_subdir_new);
10352   if (tree_node_new == NULL)    // should not happen
10353     return;
10354
10355   // if request dialog is active, do nothing
10356   if (game.request_active)
10357     return;
10358
10359   if (game_status == GAME_MODE_MAIN &&
10360       tree_type == TREE_TYPE_LEVEL_DIR)
10361   {
10362     // when adding new level set in main menu, select it as current level set
10363
10364     // change current level set to newly added level set from zip file
10365     leveldir_current = tree_node_new;
10366
10367     // change current level number to first level of newly added level set
10368     level_nr = leveldir_current->first_level;
10369
10370     // redraw screen to reflect changed level set
10371     DrawMainMenu();
10372
10373     // save this level set and level number as last selected level set
10374     SaveLevelSetup_LastSeries();
10375     SaveLevelSetup_SeriesInfo();
10376   }
10377   else if (game_status == GAME_MODE_LEVELS &&
10378            tree_type == TREE_TYPE_LEVEL_DIR)
10379   {
10380     // when adding new level set in level set menu, set cursor and update screen
10381
10382     leveldir_current = tree_node_new;
10383
10384     DrawChooseTree(&leveldir_current);
10385   }
10386   else if (game_status == GAME_MODE_SETUP)
10387   {
10388     // when adding new artwork set in setup menu, set cursor and update screen
10389
10390     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
10391         tree_type == TREE_TYPE_GRAPHICS_DIR)
10392     {
10393       artwork.gfx_current = tree_node_new;
10394
10395       DrawChooseTree(&artwork.gfx_current);
10396     }
10397     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
10398              tree_type == TREE_TYPE_SOUNDS_DIR)
10399     {
10400       artwork.snd_current = tree_node_new;
10401
10402       DrawChooseTree(&artwork.snd_current);
10403     }
10404     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
10405              tree_type == TREE_TYPE_MUSIC_DIR)
10406     {
10407       artwork.mus_current = tree_node_new;
10408
10409       DrawChooseTree(&artwork.mus_current);
10410     }
10411   }
10412 }
10413
10414 static int UploadTapes(void)
10415 {
10416   SetGameStatus(GAME_MODE_LOADING);
10417
10418   FadeSetEnterScreen();
10419   FadeOut(REDRAW_ALL);
10420
10421   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
10422
10423   FadeIn(REDRAW_ALL);
10424
10425   DrawInitTextHead("Uploading tapes");
10426
10427   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
10428   global.autoplay_leveldir = "ALL";
10429   global.autoplay_all = TRUE;
10430
10431   int num_tapes_uploaded = AutoPlayTapes();
10432
10433   global.autoplay_mode = AUTOPLAY_MODE_NONE;
10434   global.autoplay_leveldir = NULL;
10435   global.autoplay_all = FALSE;
10436
10437   SetGameStatus(GAME_MODE_MAIN);
10438
10439   DrawMainMenu();
10440
10441   return num_tapes_uploaded;
10442 }
10443
10444 static boolean OfferUploadTapes(void)
10445 {
10446   if (!Request(setup.has_remaining_tapes ?
10447                "Upload missing tapes to the high score server now?" :
10448                "Upload all your tapes to the high score server now?", REQ_ASK))
10449     return FALSE;
10450
10451   int num_tapes_uploaded = UploadTapes();
10452   char message[100];
10453
10454   if (num_tapes_uploaded < 0)
10455   {
10456     num_tapes_uploaded = -num_tapes_uploaded - 1;
10457
10458     if (num_tapes_uploaded == 0)
10459       sprintf(message, "Upload failed! No tapes uploaded!");
10460     else if (num_tapes_uploaded == 1)
10461       sprintf(message, "Upload failed! Only 1 tape uploaded!");
10462     else
10463       sprintf(message, "Upload failed! Only %d tapes uploaded!",
10464               num_tapes_uploaded);
10465
10466     Request(message, REQ_CONFIRM);
10467
10468     // if uploading tapes failed, add tape upload entry to setup menu
10469     setup.provide_uploading_tapes = TRUE;
10470     setup.has_remaining_tapes = TRUE;
10471
10472     SaveSetup_ServerSetup();
10473
10474     return FALSE;
10475   }
10476
10477   if (num_tapes_uploaded == 0)
10478     sprintf(message, "No tapes uploaded!");
10479   else if (num_tapes_uploaded == 1)
10480     sprintf(message, "1 tape uploaded!");
10481   else
10482     sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
10483
10484   Request(message, REQ_CONFIRM);
10485
10486   if (num_tapes_uploaded > 0)
10487     Request("New scores will be visible after a few minutes!", REQ_CONFIRM);
10488
10489   // after all tapes have been uploaded, remove entry from setup menu
10490   setup.provide_uploading_tapes = FALSE;
10491   setup.has_remaining_tapes = FALSE;
10492
10493   SaveSetup_ServerSetup();
10494
10495   return TRUE;
10496 }
10497
10498 static void CheckUploadTapes(void)
10499 {
10500   if (!setup.ask_for_uploading_tapes)
10501     return;
10502
10503   // after asking for uploading tapes, do not ask again
10504   setup.ask_for_uploading_tapes = FALSE;
10505   setup.ask_for_remaining_tapes = FALSE;
10506
10507   if (directoryExists(getTapeDir(NULL)))
10508   {
10509     boolean tapes_uploaded = OfferUploadTapes();
10510
10511     if (!tapes_uploaded)
10512     {
10513       Request(setup.has_remaining_tapes ?
10514               "You can upload missing tapes from the setup menu later!" :
10515               "You can upload your tapes from the setup menu later!",
10516               REQ_CONFIRM);
10517     }
10518   }
10519   else
10520   {
10521     // if tapes directory does not exist yet, never offer uploading all tapes
10522     setup.provide_uploading_tapes = FALSE;
10523   }
10524
10525   SaveSetup_ServerSetup();
10526 }
10527
10528 static void UpgradePlayerUUID(void)
10529 {
10530   ApiResetUUIDAsThread(getUUID());
10531 }
10532
10533 static void CheckUpgradePlayerUUID(void)
10534 {
10535   if (setup.player_version > 1)
10536     return;
10537
10538   UpgradePlayerUUID();
10539 }
10540
10541 void CheckApiServerTasks(void)
10542 {
10543   // check if the player's UUID has to be upgraded
10544   CheckUpgradePlayerUUID();
10545
10546   // check if there are any tapes to be uploaded
10547   CheckUploadTapes();
10548 }