a1470f20dd5a6c305f169c598767144485406837
[rocksndiamonds.git] / src / screens.c
1 // ============================================================================
2 // Rocks'n'Diamonds - McDuffin Strikes Back!
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
5 //                  Holger Schemel
6 //                  info@artsoft.org
7 //                  https://www.artsoft.org/
8 // ----------------------------------------------------------------------------
9 // screens.c
10 // ============================================================================
11
12 #include "libgame/libgame.h"
13
14 #include "screens.h"
15 #include "events.h"
16 #include "game.h"
17 #include "tools.h"
18 #include "editor.h"
19 #include "files.h"
20 #include "tape.h"
21 #include "anim.h"
22 #include "network.h"
23 #include "init.h"
24 #include "config.h"
25
26
27 #define DEBUG_JOYSTICKS         0
28
29
30 // screens on the info screen
31 #define INFO_MODE_MAIN                  0
32 #define INFO_MODE_TITLE                 1
33 #define INFO_MODE_ELEMENTS              2
34 #define INFO_MODE_MUSIC                 3
35 #define INFO_MODE_CREDITS               4
36 #define INFO_MODE_PROGRAM               5
37 #define INFO_MODE_VERSION               6
38 #define INFO_MODE_LEVELSET              7
39
40 #define MAX_INFO_MODES                  8
41
42 // screens on the setup screen
43 // (must match GFX_SPECIAL_ARG_SETUP_* values as defined in src/main.h)
44 // (should also match corresponding entries in src/conf_gfx.c)
45 #define SETUP_MODE_MAIN                 0
46 #define SETUP_MODE_GAME                 1
47 #define SETUP_MODE_ENGINES              2
48 #define SETUP_MODE_EDITOR               3
49 #define SETUP_MODE_GRAPHICS             4
50 #define SETUP_MODE_SOUND                5
51 #define SETUP_MODE_ARTWORK              6
52 #define SETUP_MODE_INPUT                7
53 #define SETUP_MODE_TOUCH                8
54 #define SETUP_MODE_SHORTCUTS            9
55 #define SETUP_MODE_SHORTCUTS_1          10
56 #define SETUP_MODE_SHORTCUTS_2          11
57 #define SETUP_MODE_SHORTCUTS_3          12
58 #define SETUP_MODE_SHORTCUTS_4          13
59 #define SETUP_MODE_SHORTCUTS_5          14
60
61 // sub-screens on the setup screen (generic)
62 #define SETUP_MODE_CHOOSE_ARTWORK       15
63 #define SETUP_MODE_CHOOSE_OTHER         16
64
65 // sub-screens on the setup screen (specific)
66 #define SETUP_MODE_CHOOSE_GAME_SPEED    17
67 #define SETUP_MODE_CHOOSE_SCROLL_DELAY  18
68 #define SETUP_MODE_CHOOSE_SNAPSHOT_MODE 19
69 #define SETUP_MODE_CHOOSE_WINDOW_SIZE   20
70 #define SETUP_MODE_CHOOSE_SCALING_TYPE  21
71 #define SETUP_MODE_CHOOSE_RENDERING     22
72 #define SETUP_MODE_CHOOSE_VSYNC         23
73 #define SETUP_MODE_CHOOSE_GRAPHICS      24
74 #define SETUP_MODE_CHOOSE_SOUNDS        25
75 #define SETUP_MODE_CHOOSE_MUSIC         26
76 #define SETUP_MODE_CHOOSE_VOLUME_SIMPLE 27
77 #define SETUP_MODE_CHOOSE_VOLUME_LOOPS  28
78 #define SETUP_MODE_CHOOSE_VOLUME_MUSIC  29
79 #define SETUP_MODE_CHOOSE_TOUCH_CONTROL 30
80 #define SETUP_MODE_CHOOSE_MOVE_DISTANCE 31
81 #define SETUP_MODE_CHOOSE_DROP_DISTANCE 32
82 #define SETUP_MODE_CHOOSE_TRANSPARENCY  33
83 #define SETUP_MODE_CHOOSE_GRID_XSIZE_0  34
84 #define SETUP_MODE_CHOOSE_GRID_YSIZE_0  35
85 #define SETUP_MODE_CHOOSE_GRID_XSIZE_1  36
86 #define SETUP_MODE_CHOOSE_GRID_YSIZE_1  37
87 #define SETUP_MODE_CONFIG_VIRT_BUTTONS  38
88
89 #define MAX_SETUP_MODES                 39
90
91 #define MAX_MENU_MODES                  MAX(MAX_INFO_MODES, MAX_SETUP_MODES)
92
93 // setup screen titles
94 #define STR_SETUP_MAIN                  "Setup"
95 #define STR_SETUP_GAME                  "Game & Menu"
96 #define STR_SETUP_ENGINES               "Game Engines"
97 #define STR_SETUP_EDITOR                "Editor"
98 #define STR_SETUP_GRAPHICS              "Graphics"
99 #define STR_SETUP_SOUND                 "Sound & Music"
100 #define STR_SETUP_ARTWORK               "Custom Artwork"
101 #define STR_SETUP_INPUT                 "Input Devices"
102 #define STR_SETUP_TOUCH                 "Touch Controls"
103 #define STR_SETUP_SHORTCUTS             "Key Shortcuts"
104 #define STR_SETUP_EXIT                  "Exit"
105 #define STR_SETUP_SAVE_AND_EXIT         "Save and Exit"
106
107 #define STR_SETUP_CHOOSE_GAME_SPEED     "Game Speed"
108 #define STR_SETUP_CHOOSE_SCROLL_DELAY   "Scroll Delay"
109 #define STR_SETUP_CHOOSE_SNAPSHOT_MODE  "Snapshot Mode"
110 #define STR_SETUP_CHOOSE_WINDOW_SIZE    "Window Scaling"
111 #define STR_SETUP_CHOOSE_SCALING_TYPE   "Anti-Aliasing"
112 #define STR_SETUP_CHOOSE_RENDERING      "Rendering Mode"
113 #define STR_SETUP_CHOOSE_VSYNC          "VSync Mode"
114 #define STR_SETUP_CHOOSE_VOLUME_SIMPLE  "Sound Volume"
115 #define STR_SETUP_CHOOSE_VOLUME_LOOPS   "Loops Volume"
116 #define STR_SETUP_CHOOSE_VOLUME_MUSIC   "Music Volume"
117 #define STR_SETUP_CHOOSE_TOUCH_CONTROL  "Control Type"
118 #define STR_SETUP_CHOOSE_MOVE_DISTANCE  "Move Distance"
119 #define STR_SETUP_CHOOSE_DROP_DISTANCE  "Drop Distance"
120 #define STR_SETUP_CHOOSE_TRANSPARENCY   "Transparency"
121 #define STR_SETUP_CHOOSE_GRID_XSIZE_0   "Horiz. Buttons"
122 #define STR_SETUP_CHOOSE_GRID_YSIZE_0   "Vert. Buttons"
123 #define STR_SETUP_CHOOSE_GRID_XSIZE_1   "Horiz. Buttons"
124 #define STR_SETUP_CHOOSE_GRID_YSIZE_1   "Vert. Buttons"
125
126 // other screen text constants
127 #define STR_CHOOSE_TREE_EDIT            "Edit"
128 #define MENU_CHOOSE_TREE_FONT(x)        (FONT_TEXT_1 + (x))
129 #define MENU_CHOOSE_TREE_COLOR(ti, a)   TREE_COLOR(ti, a)
130
131 // for input setup functions
132 #define SETUPINPUT_SCREEN_POS_START     0
133 #define SETUPINPUT_SCREEN_POS_EMPTY1    3
134 #define SETUPINPUT_SCREEN_POS_EMPTY2    12
135 #define SETUPINPUT_SCREEN_POS_END       13
136
137 #define MENU_SETUP_FONT_TITLE           FONT_TEXT_1
138 #define MENU_SETUP_FONT_TEXT            FONT_TITLE_2
139
140 #define MAX_SETUP_TEXT_INPUT_LEN        28
141
142 // for various menu stuff
143 #define MENU_SCREEN_START_XPOS          1
144 #define MENU_SCREEN_START_YPOS          2
145 #define MENU_SCREEN_VALUE_XPOS          (SCR_FIELDX - 3)
146 #define MENU_SCREEN_TEXT2_XPOS          (SCR_FIELDX - 2)
147 #define MENU_SCREEN_MAX_XPOS            (SCR_FIELDX - 1)
148 #define MENU_TITLE1_YPOS                8
149 #define MENU_TITLE2_YPOS                46
150 #define MENU_INFO_FONT_TITLE            FONT_TEXT_1
151 #define MENU_INFO_FONT_HEAD             FONT_TEXT_2
152 #define MENU_INFO_FONT_TEXT             FONT_TEXT_3
153 #define MENU_INFO_FONT_FOOT             FONT_TEXT_4
154 #define MENU_INFO_SPACE_HEAD            (menu.headline2_spacing_info[info_mode])
155 #define MENU_SCREEN_INFO_SPACE_LEFT     (menu.left_spacing_info[info_mode])
156 #define MENU_SCREEN_INFO_SPACE_RIGHT    (menu.right_spacing_info[info_mode])
157 #define MENU_SCREEN_INFO_SPACE_TOP      (menu.top_spacing_info[info_mode])
158 #define MENU_SCREEN_INFO_SPACE_BOTTOM   (menu.bottom_spacing_info[info_mode])
159 #define MENU_SCREEN_INFO_YSTART1        MENU_SCREEN_INFO_SPACE_TOP
160 #define MENU_SCREEN_INFO_YSTART2        (MENU_SCREEN_INFO_YSTART1 +            \
161                                          getMenuTextStep(MENU_INFO_SPACE_HEAD, \
162                                                          MENU_INFO_FONT_TITLE))
163 #define MENU_SCREEN_INFO_YSTEP          (TILEY + 4)
164 #define MENU_SCREEN_INFO_YBOTTOM        (SYSIZE - MENU_SCREEN_INFO_SPACE_BOTTOM)
165 #define MENU_SCREEN_INFO_YSIZE          (MENU_SCREEN_INFO_YBOTTOM -     \
166                                          MENU_SCREEN_INFO_YSTART2 -     \
167                                          TILEY / 2)
168 #define MAX_INFO_ELEMENTS_ON_SCREEN     128
169 #define STD_INFO_ELEMENTS_ON_SCREEN     (MENU_SCREEN_INFO_YSIZE /       \
170                                          MENU_SCREEN_INFO_YSTEP)
171 #define NUM_INFO_ELEMENTS_FROM_CONF     \
172   (menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] > 0 ?             \
173    menu.list_size_info[GFX_SPECIAL_ARG_INFO_ELEMENTS] :                 \
174    MAX_MENU_ENTRIES_ON_SCREEN)
175 #define NUM_INFO_ELEMENTS_ON_SCREEN     MIN(MIN(STD_INFO_ELEMENTS_ON_SCREEN, \
176                                                 MAX_INFO_ELEMENTS_ON_SCREEN), \
177                                             NUM_INFO_ELEMENTS_FROM_CONF)
178 #define MAX_MENU_ENTRIES_ON_SCREEN      (SCR_FIELDY - MENU_SCREEN_START_YPOS)
179 #define MAX_MENU_TEXT_LENGTH_BIG        13
180 #define MAX_MENU_TEXT_LENGTH_MEDIUM     (MAX_MENU_TEXT_LENGTH_BIG * 2)
181
182 // screen gadget identifiers
183 #define SCREEN_CTRL_ID_PREV_LEVEL       0
184 #define SCREEN_CTRL_ID_NEXT_LEVEL       1
185 #define SCREEN_CTRL_ID_FIRST_LEVEL      2
186 #define SCREEN_CTRL_ID_LAST_LEVEL       3
187 #define SCREEN_CTRL_ID_LEVEL_NUMBER     4
188 #define SCREEN_CTRL_ID_PREV_PLAYER      5
189 #define SCREEN_CTRL_ID_NEXT_PLAYER      6
190 #define SCREEN_CTRL_ID_INSERT_SOLUTION  7
191 #define SCREEN_CTRL_ID_PLAY_SOLUTION    8
192 #define SCREEN_CTRL_ID_SWITCH_ECS_AGA   9
193 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE  10
194 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE  11
195 #define SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 12
196 #define SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 13
197 #define SCREEN_CTRL_ID_SCROLL_UP        14
198 #define SCREEN_CTRL_ID_SCROLL_DOWN      15
199 #define SCREEN_CTRL_ID_SCROLL_VERTICAL  16
200 #define SCREEN_CTRL_ID_NETWORK_SERVER   17
201
202 #define NUM_SCREEN_GADGETS              18
203
204 #define NUM_SCREEN_MENUBUTTONS          14
205 #define NUM_SCREEN_SCROLLBUTTONS        2
206 #define NUM_SCREEN_SCROLLBARS           1
207 #define NUM_SCREEN_TEXTINPUT            1
208
209 #define SCREEN_MASK_MAIN                (1 << 0)
210 #define SCREEN_MASK_MAIN_HAS_SOLUTION   (1 << 1)
211 #define SCREEN_MASK_INPUT               (1 << 2)
212 #define SCREEN_MASK_TOUCH               (1 << 3)
213 #define SCREEN_MASK_TOUCH2              (1 << 4)
214
215 // graphic position and size values for buttons and scrollbars
216 #define SC_MENUBUTTON_XSIZE             TILEX
217 #define SC_MENUBUTTON_YSIZE             TILEY
218
219 #define SC_SCROLLBUTTON_XSIZE           TILEX
220 #define SC_SCROLLBUTTON_YSIZE           TILEY
221
222 #define SC_SCROLLBAR_XPOS               (SXSIZE - SC_SCROLLBUTTON_XSIZE)
223
224 #define SC_SCROLL_VERTICAL_XSIZE        SC_SCROLLBUTTON_XSIZE
225 #define SC_SCROLL_VERTICAL_YSIZE        ((MAX_MENU_ENTRIES_ON_SCREEN - 2) * \
226                                          SC_SCROLLBUTTON_YSIZE)
227
228 #define SC_SCROLL_UP_XPOS               SC_SCROLLBAR_XPOS
229 #define SC_SCROLL_UP_YPOS               (2 * SC_SCROLLBUTTON_YSIZE)
230
231 #define SC_SCROLL_VERTICAL_XPOS         SC_SCROLLBAR_XPOS
232 #define SC_SCROLL_VERTICAL_YPOS         (SC_SCROLL_UP_YPOS + \
233                                          SC_SCROLLBUTTON_YSIZE)
234
235 #define SC_SCROLL_DOWN_XPOS             SC_SCROLLBAR_XPOS
236 #define SC_SCROLL_DOWN_YPOS             (SC_SCROLL_VERTICAL_YPOS + \
237                                          SC_SCROLL_VERTICAL_YSIZE)
238
239 #define SC_BORDER_SIZE                  14
240
241
242 // forward declarations of internal functions
243 static void HandleScreenGadgets(struct GadgetInfo *);
244 static void HandleSetupScreen_Generic(int, int, int, int, int);
245 static void HandleSetupScreen_Input(int, int, int, int, int);
246 static void CustomizeKeyboard(int);
247 static void ConfigureJoystick(int);
248 static void ConfigureVirtualButtons(void);
249 static void execSetupGame(void);
250 static void execSetupEngines(void);
251 static void execSetupGraphics(void);
252 static void execSetupSound(void);
253 static void execSetupTouch(void);
254 static void execSetupArtwork(void);
255 static void HandleChooseTree(int, int, int, int, int, TreeInfo **);
256
257 static void DrawChoosePlayerName(void);
258 static void DrawChooseLevelSet(void);
259 static void DrawChooseLevelNr(void);
260 static void DrawInfoScreen(void);
261 static void DrawSetupScreen(void);
262 static void DrawTypeName(void);
263
264 static void DrawInfoScreen_NotAvailable(char *, char *);
265 static void DrawInfoScreen_HelpAnim(int, int, boolean);
266 static void DrawInfoScreen_HelpText(int, int, int, int);
267 static void HandleInfoScreen_Main(int, int, int, int, int);
268 static void HandleInfoScreen_TitleScreen(int);
269 static void HandleInfoScreen_Elements(int);
270 static void HandleInfoScreen_Music(int);
271 static void HandleInfoScreen_Credits(int);
272 static void HandleInfoScreen_Program(int);
273 static void HandleInfoScreen_Version(int);
274
275 static void ModifyGameSpeedIfNeeded(void);
276 static void DisableVsyncIfNeeded(void);
277
278 static void MapScreenMenuGadgets(int);
279 static void UnmapScreenMenuGadgets(int);
280 static void MapScreenGadgets(int);
281 static void MapScreenTreeGadgets(TreeInfo *);
282
283 static void UpdateScreenMenuGadgets(int, boolean);
284
285 static boolean OfferUploadTapes(void);
286 static void execOfferUploadTapes(void);
287
288 static struct GadgetInfo *screen_gadget[NUM_SCREEN_GADGETS];
289
290 static int info_mode = INFO_MODE_MAIN;
291 static int setup_mode = SETUP_MODE_MAIN;
292
293 static TreeInfo *window_sizes = NULL;
294 static TreeInfo *window_size_current = NULL;
295
296 static TreeInfo *scaling_types = NULL;
297 static TreeInfo *scaling_type_current = NULL;
298
299 static TreeInfo *rendering_modes = NULL;
300 static TreeInfo *rendering_mode_current = NULL;
301
302 static TreeInfo *vsync_modes = NULL;
303 static TreeInfo *vsync_mode_current = NULL;
304
305 static TreeInfo *scroll_delays = NULL;
306 static TreeInfo *scroll_delay_current = NULL;
307
308 static TreeInfo *snapshot_modes = NULL;
309 static TreeInfo *snapshot_mode_current = NULL;
310
311 static TreeInfo *game_speeds_normal = NULL;
312 static TreeInfo *game_speeds_extended = NULL;
313 static TreeInfo *game_speeds = NULL;
314 static TreeInfo *game_speed_current = NULL;
315
316 static TreeInfo *volumes_simple = NULL;
317 static TreeInfo *volume_simple_current = NULL;
318
319 static TreeInfo *volumes_loops = NULL;
320 static TreeInfo *volume_loops_current = NULL;
321
322 static TreeInfo *volumes_music = NULL;
323 static TreeInfo *volume_music_current = NULL;
324
325 static TreeInfo *touch_controls = NULL;
326 static TreeInfo *touch_control_current = NULL;
327
328 static TreeInfo *move_distances = NULL;
329 static TreeInfo *move_distance_current = NULL;
330
331 static TreeInfo *drop_distances = NULL;
332 static TreeInfo *drop_distance_current = NULL;
333
334 static TreeInfo *transparencies = NULL;
335 static TreeInfo *transparency_current = NULL;
336
337 static TreeInfo *grid_sizes[2][2] = { { NULL, NULL }, { NULL, NULL } };
338 static TreeInfo *grid_size_current[2][2] = { { NULL, NULL }, { NULL, NULL } };
339
340 static TreeInfo *player_name = NULL;
341 static TreeInfo *player_name_current = NULL;
342
343 static TreeInfo *level_number = NULL;
344 static TreeInfo *level_number_current = NULL;
345
346 static struct ValueTextInfo window_sizes_list[] =
347 {
348   {     50,     "50 %"                          },
349   {     80,     "80 %"                          },
350   {     90,     "90 %"                          },
351   {     100,    "100 % (Default)"               },
352   {     110,    "110 %"                         },
353   {     120,    "120 %"                         },
354   {     130,    "130 %"                         },
355   {     140,    "140 %"                         },
356   {     150,    "150 %"                         },
357   {     200,    "200 %"                         },
358   {     250,    "250 %"                         },
359   {     300,    "300 %"                         },
360
361   {     -1,     NULL                            },
362 };
363
364 static struct StringValueTextInfo scaling_types_list[] =
365 {
366   {     SCALING_QUALITY_NEAREST, "Off"          },
367   {     SCALING_QUALITY_LINEAR,  "Linear"       },
368   {     SCALING_QUALITY_BEST,    "Anisotropic"  },
369
370   {     NULL,                    NULL           },
371 };
372
373 static struct StringValueTextInfo rendering_modes_list[] =
374 {
375   {     STR_SPECIAL_RENDERING_OFF,      "Off (May show artifacts, fast)" },
376   {     STR_SPECIAL_RENDERING_BITMAP,   "Bitmap/Texture mode (slower)"   },
377 #if DEBUG
378   // this mode may work under certain conditions, but does not work on Windows
379   {     STR_SPECIAL_RENDERING_TARGET,   "Target Texture mode (slower)"   },
380 #endif
381   {     STR_SPECIAL_RENDERING_DOUBLE,   "Double Texture mode (slower)"   },
382
383   {     NULL,                            NULL                            },
384 };
385
386 static struct StringValueTextInfo vsync_modes_list[] =
387 {
388   {     STR_VSYNC_MODE_OFF,             "Off"           },
389   {     STR_VSYNC_MODE_NORMAL,          "Normal"        },
390   {     STR_VSYNC_MODE_ADAPTIVE,        "Adaptive"      },
391
392   {     NULL,                            NULL           },
393 };
394
395 static struct ValueTextInfo game_speeds_list_normal[] =
396 {
397   {     30,     "Very Slow"                     },
398   {     25,     "Slow"                          },
399   {     20,     "Normal"                        },
400   {     15,     "Fast"                          },
401   {     10,     "Very Fast"                     },
402
403   {     -1,     NULL                            },
404 };
405
406 static struct ValueTextInfo game_speeds_list_extended[] =
407 {
408   {     1000,   "1 fps (Extremely Slow)"        },
409   {     500,    "2 fps"                         },
410   {     200,    "5 fps"                         },
411   {     100,    "10 fps"                        },
412   {     50,     "20 fps"                        },
413   {     29,     "35 fps (Original Supaplex)"    },
414   {     25,     "40 fps"                        },
415   {     20,     "50 fps (=== Normal Speed ===)" },
416   {     16,     "60 fps (60 Hz VSync Speed)"    },
417   {     14,     "70 fps (Maximum Supaplex)"     },
418   {     10,     "100 fps"                       },
419   {     5,      "200 fps"                       },
420   {     2,      "500 fps"                       },
421   {     1,      "1000 fps (Extremely Fast)"     },
422
423   {     -1,     NULL                            },
424 };
425
426 static struct ValueTextInfo *game_speeds_list;
427
428 static struct ValueTextInfo scroll_delays_list[] =
429 {
430   {     0,      "0 Tiles (No Scroll Delay)"     },
431   {     1,      "1 Tile"                        },
432   {     2,      "2 Tiles"                       },
433   {     3,      "3 Tiles (Default)"             },
434   {     4,      "4 Tiles"                       },
435   {     5,      "5 Tiles"                       },
436   {     6,      "6 Tiles"                       },
437   {     7,      "7 Tiles"                       },
438   {     8,      "8 Tiles (Maximum Scroll Delay)"},
439
440   {     -1,     NULL                            },
441 };
442
443 static struct StringValueTextInfo snapshot_modes_list[] =
444 {
445   {     STR_SNAPSHOT_MODE_OFF,                  "Off"           },
446   {     STR_SNAPSHOT_MODE_EVERY_STEP,           "Every Step"    },
447   {     STR_SNAPSHOT_MODE_EVERY_MOVE,           "Every Move"    },
448   {     STR_SNAPSHOT_MODE_EVERY_COLLECT,        "Every Collect" },
449
450   {     NULL,                                   NULL            },
451 };
452
453 static struct ValueTextInfo volumes_list[] =
454 {
455   {     0,      "0 %"                           },
456   {     1,      "1 %"                           },
457   {     2,      "2 %"                           },
458   {     5,      "5 %"                           },
459   {     10,     "10 %"                          },
460   {     20,     "20 %"                          },
461   {     30,     "30 %"                          },
462   {     40,     "40 %"                          },
463   {     50,     "50 %"                          },
464   {     60,     "60 %"                          },
465   {     70,     "70 %"                          },
466   {     80,     "80 %"                          },
467   {     90,     "90 %"                          },
468   {     100,    "100 %"                         },
469
470   {     -1,     NULL                            },
471 };
472
473 static struct StringValueTextInfo touch_controls_list[] =
474 {
475   {     TOUCH_CONTROL_OFF,              "Off"                   },
476   {     TOUCH_CONTROL_VIRTUAL_BUTTONS,  "Virtual Buttons"       },
477   {     TOUCH_CONTROL_WIPE_GESTURES,    "Wipe Gestures"         },
478   {     TOUCH_CONTROL_FOLLOW_FINGER,    "Follow Finger"         },
479
480   {     NULL,                           NULL                    },
481 };
482
483 static struct ValueTextInfo distances_list[] =
484 {
485   {     1,      "1 %"                           },
486   {     2,      "2 %"                           },
487   {     3,      "3 %"                           },
488   {     4,      "4 %"                           },
489   {     5,      "5 %"                           },
490   {     10,     "10 %"                          },
491   {     15,     "15 %"                          },
492   {     20,     "20 %"                          },
493   {     25,     "25 %"                          },
494
495   {     -1,     NULL                            },
496 };
497
498 static struct ValueTextInfo transparencies_list[] =
499 {
500   {     0,      "0 % (Opaque)"                  },
501   {     10,     "10 %"                          },
502   {     20,     "20 %"                          },
503   {     30,     "30 %"                          },
504   {     40,     "40 %"                          },
505   {     50,     "50 %"                          },
506   {     60,     "60 %"                          },
507   {     70,     "70 %"                          },
508   {     80,     "80 %"                          },
509   {     90,     "90 %"                          },
510   {     100,    "100 % (Invisible)"             },
511
512   {     -1,     NULL                            },
513 };
514
515 static struct ValueTextInfo grid_sizes_list[] =
516 {
517   {     3,      "3"                             },
518   {     4,      "4"                             },
519   {     5,      "5"                             },
520   {     6,      "6"                             },
521   {     7,      "7"                             },
522   {     8,      "8"                             },
523   {     9,      "9"                             },
524   {     10,     "10"                            },
525   {     11,     "11"                            },
526   {     12,     "12"                            },
527   {     13,     "13"                            },
528   {     14,     "14"                            },
529   {     15,     "15"                            },
530   {     16,     "16"                            },
531   {     17,     "17"                            },
532   {     18,     "18"                            },
533   {     19,     "19"                            },
534   {     20,     "20"                            },
535   {     21,     "21"                            },
536   {     22,     "22"                            },
537   {     23,     "23"                            },
538   {     24,     "24"                            },
539   {     25,     "25"                            },
540   {     26,     "26"                            },
541   {     27,     "27"                            },
542   {     28,     "28"                            },
543   {     29,     "29"                            },
544   {     30,     "30"                            },
545   {     31,     "31"                            },
546   {     32,     "32"                            },
547
548   {     -1,     NULL                            },
549 };
550
551 static int align_xoffset = 0;
552 static int align_yoffset = 0;
553
554 #define DRAW_MODE(s)            ((s) >= GAME_MODE_MAIN &&               \
555                                  (s) <= GAME_MODE_SETUP ? (s) :         \
556                                  (s) == GAME_MODE_PSEUDO_TYPENAME ?     \
557                                  GAME_MODE_MAIN :                       \
558                                  (s) == GAME_MODE_PSEUDO_TYPENAMES ?    \
559                                  GAME_MODE_NAMES : GAME_MODE_DEFAULT)
560
561 // (there are no draw offset definitions needed for INFO_MODE_TITLE)
562 #define DRAW_MODE_INFO(i)       ((i) >= INFO_MODE_TITLE &&              \
563                                  (i) <= INFO_MODE_LEVELSET ? (i) :      \
564                                  INFO_MODE_MAIN)
565
566 #define DRAW_MODE_SETUP(i)      ((i) >= SETUP_MODE_MAIN &&              \
567                                  (i) <= SETUP_MODE_SHORTCUTS_5 ? (i) :  \
568                                  (i) >= SETUP_MODE_CHOOSE_GRAPHICS &&   \
569                                  (i) <= SETUP_MODE_CHOOSE_MUSIC ?       \
570                                  SETUP_MODE_CHOOSE_ARTWORK :            \
571                                  SETUP_MODE_CHOOSE_OTHER)
572
573 #define DRAW_XOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
574                                  menu.draw_xoffset[GAME_MODE_INFO] :    \
575                                  menu.draw_xoffset_info[DRAW_MODE_INFO(i)])
576 #define DRAW_YOFFSET_INFO(i)    (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ?  \
577                                  menu.draw_yoffset[GAME_MODE_INFO] :    \
578                                  menu.draw_yoffset_info[DRAW_MODE_INFO(i)])
579 #define EXTRA_SPACING_INFO(i)   (DRAW_MODE_INFO(i) == INFO_MODE_MAIN ? \
580                                  menu.extra_spacing[GAME_MODE_INFO] :   \
581                                  menu.extra_spacing_info[DRAW_MODE_INFO(i)])
582
583 #define DRAW_XOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
584                                  menu.draw_xoffset[GAME_MODE_SETUP] :   \
585                                  menu.draw_xoffset_setup[DRAW_MODE_SETUP(i)])
586 #define DRAW_YOFFSET_SETUP(i)   (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
587                                  menu.draw_yoffset[GAME_MODE_SETUP] :   \
588                                  menu.draw_yoffset_setup[DRAW_MODE_SETUP(i)])
589 #define EXTRA_SPACING_SETUP(i)  (DRAW_MODE_SETUP(i) == SETUP_MODE_MAIN ? \
590                                  menu.extra_spacing[GAME_MODE_SETUP] :  \
591                                  menu.extra_spacing_setup[DRAW_MODE_SETUP(i)])
592
593 #define DRAW_XOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
594                                  DRAW_XOFFSET_INFO(info_mode) :         \
595                                  (s) == GAME_MODE_SETUP ?               \
596                                  DRAW_XOFFSET_SETUP(setup_mode) :       \
597                                  menu.draw_xoffset[DRAW_MODE(s)])
598 #define DRAW_YOFFSET(s)         ((s) == GAME_MODE_INFO ?                \
599                                  DRAW_YOFFSET_INFO(info_mode) :         \
600                                  (s) == GAME_MODE_SETUP ?               \
601                                  DRAW_YOFFSET_SETUP(setup_mode) :       \
602                                  menu.draw_yoffset[DRAW_MODE(s)])
603 #define EXTRA_SPACING(s)        ((s) == GAME_MODE_INFO ?                \
604                                  EXTRA_SPACING_INFO(info_mode) :        \
605                                  (s) == GAME_MODE_SETUP ?               \
606                                  EXTRA_SPACING_SETUP(setup_mode) :      \
607                                  menu.extra_spacing[DRAW_MODE(s)])
608
609 #define mSX                     (SX + DRAW_XOFFSET(game_status))
610 #define mSY                     (SY + DRAW_YOFFSET(game_status))
611
612 #define amSX                    (mSX + align_xoffset)
613 #define amSY                    (mSY + align_yoffset)
614
615 #define NUM_MENU_ENTRIES_ON_SCREEN (menu.list_size[game_status] > 2 ?   \
616                                     menu.list_size[game_status] :       \
617                                     MAX_MENU_ENTRIES_ON_SCREEN)
618
619 #define IN_VIS_MENU(x, y)       IN_FIELD(x, y, SCR_FIELDX,              \
620                                          NUM_MENU_ENTRIES_ON_SCREEN)
621
622
623 // title display and control definitions
624
625 #define MAX_NUM_TITLE_SCREENS   (2 * MAX_NUM_TITLE_IMAGES +             \
626                                  2 * MAX_NUM_TITLE_MESSAGES)
627
628 #define NO_DIRECT_LEVEL_SELECT  (-1)
629
630
631 static int num_title_screens = 0;
632
633 struct TitleControlInfo
634 {
635   boolean is_image;
636   boolean initial;
637   boolean first;
638   int local_nr;
639   int sort_priority;
640 };
641
642 struct TitleControlInfo title_controls[MAX_NUM_TITLE_SCREENS];
643
644 // main menu display and control definitions
645
646 #define MAIN_CONTROL_NAME                       0
647 #define MAIN_CONTROL_LEVELS                     1
648 #define MAIN_CONTROL_SCORES                     2
649 #define MAIN_CONTROL_EDITOR                     3
650 #define MAIN_CONTROL_INFO                       4
651 #define MAIN_CONTROL_GAME                       5
652 #define MAIN_CONTROL_SETUP                      6
653 #define MAIN_CONTROL_QUIT                       7
654 #define MAIN_CONTROL_PREV_LEVEL                 8
655 #define MAIN_CONTROL_NEXT_LEVEL                 9
656 #define MAIN_CONTROL_FIRST_LEVEL                10
657 #define MAIN_CONTROL_LAST_LEVEL                 11
658 #define MAIN_CONTROL_LEVEL_NUMBER               12
659 #define MAIN_CONTROL_LEVEL_INFO_1               13
660 #define MAIN_CONTROL_LEVEL_INFO_2               14
661 #define MAIN_CONTROL_LEVEL_NAME                 15
662 #define MAIN_CONTROL_LEVEL_AUTHOR               16
663 #define MAIN_CONTROL_LEVEL_YEAR                 17
664 #define MAIN_CONTROL_LEVEL_IMPORTED_FROM        18
665 #define MAIN_CONTROL_LEVEL_IMPORTED_BY          19
666 #define MAIN_CONTROL_LEVEL_TESTED_BY            20
667 #define MAIN_CONTROL_TITLE_1                    21
668 #define MAIN_CONTROL_TITLE_2                    22
669 #define MAIN_CONTROL_TITLE_3                    23
670
671 static char str_main_text_name[10];
672 static char str_main_text_first_level[10];
673 static char str_main_text_last_level[10];
674 static char str_main_text_level_number[10];
675
676 static char network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN + 1];
677
678 static char *main_text_name                     = str_main_text_name;
679 static char *main_text_first_level              = str_main_text_first_level;
680 static char *main_text_last_level               = str_main_text_last_level;
681 static char *main_text_level_number             = str_main_text_level_number;
682 static char *main_text_levels                   = "Levelset";
683 static char *main_text_scores                   = "Hall Of Fame";
684 static char *main_text_editor                   = "Level Creator";
685 static char *main_text_info                     = "Info Screen";
686 static char *main_text_game                     = "Start Game";
687 static char *main_text_setup                    = "Setup";
688 static char *main_text_quit                     = "Quit";
689 static char *main_text_level_name               = level.name;
690 static char *main_text_level_author             = level.author;
691 static char *main_text_level_year               = NULL;
692 static char *main_text_level_imported_from      = NULL;
693 static char *main_text_level_imported_by        = NULL;
694 static char *main_text_level_tested_by          = NULL;
695 static char *main_text_title_1                  = NULL;
696 static char *main_text_title_2                  = NULL;
697 static char *main_text_title_3                  = NULL;
698
699 extern char debug_xsn_mode[];
700
701 struct MainControlInfo
702 {
703   int nr;
704
705   struct MenuPosInfo *pos_button;
706   int button_graphic;
707
708   struct TextPosInfo *pos_text;
709   char **text;
710
711   struct TextPosInfo *pos_input;
712   char **input;
713 };
714
715 static struct MainControlInfo main_controls[] =
716 {
717   {
718     MAIN_CONTROL_NAME,
719     &menu.main.button.name,             IMG_MENU_BUTTON_NAME,
720     &menu.main.text.name,               &main_text_name,
721     &menu.main.input.name,              &setup.player_name,
722   },
723   {
724     MAIN_CONTROL_LEVELS,
725     &menu.main.button.levels,           IMG_MENU_BUTTON_LEVELS,
726     &menu.main.text.levels,             &main_text_levels,
727     NULL,                               NULL,
728   },
729   {
730     MAIN_CONTROL_SCORES,
731     &menu.main.button.scores,           IMG_MENU_BUTTON_SCORES,
732     &menu.main.text.scores,             &main_text_scores,
733     NULL,                               NULL,
734   },
735   {
736     MAIN_CONTROL_EDITOR,
737     &menu.main.button.editor,           IMG_MENU_BUTTON_EDITOR,
738     &menu.main.text.editor,             &main_text_editor,
739     NULL,                               NULL,
740   },
741   {
742     MAIN_CONTROL_INFO,
743     &menu.main.button.info,             IMG_MENU_BUTTON_INFO,
744     &menu.main.text.info,               &main_text_info,
745     NULL,                               NULL,
746   },
747   {
748     MAIN_CONTROL_GAME,
749     &menu.main.button.game,             IMG_MENU_BUTTON_GAME,
750     &menu.main.text.game,               &main_text_game,
751     NULL,                               NULL,
752   },
753   {
754     MAIN_CONTROL_SETUP,
755     &menu.main.button.setup,            IMG_MENU_BUTTON_SETUP,
756     &menu.main.text.setup,              &main_text_setup,
757     NULL,                               NULL,
758   },
759   {
760     MAIN_CONTROL_QUIT,
761     &menu.main.button.quit,             IMG_MENU_BUTTON_QUIT,
762     &menu.main.text.quit,               &main_text_quit,
763     NULL,                               NULL,
764   },
765   {
766     MAIN_CONTROL_PREV_LEVEL,
767     NULL,                               -1,
768     NULL,                               NULL,
769     NULL,                               NULL,
770   },
771   {
772     MAIN_CONTROL_NEXT_LEVEL,
773     NULL,                               -1,
774     NULL,                               NULL,
775     NULL,                               NULL,
776   },
777   {
778     MAIN_CONTROL_FIRST_LEVEL,
779     NULL,                               -1,
780     &menu.main.text.first_level,        &main_text_first_level,
781     NULL,                               NULL,
782   },
783   {
784     MAIN_CONTROL_LAST_LEVEL,
785     NULL,                               -1,
786     &menu.main.text.last_level,         &main_text_last_level,
787     NULL,                               NULL,
788   },
789   {
790     MAIN_CONTROL_LEVEL_NUMBER,
791     NULL,                               -1,
792     &menu.main.text.level_number,       &main_text_level_number,
793     NULL,                               NULL,
794   },
795   {
796     MAIN_CONTROL_LEVEL_INFO_1,
797     NULL,                               -1,
798     &menu.main.text.level_info_1,       NULL,
799     NULL,                               NULL,
800   },
801   {
802     MAIN_CONTROL_LEVEL_INFO_2,
803     NULL,                               -1,
804     &menu.main.text.level_info_2,       NULL,
805     NULL,                               NULL,
806   },
807   {
808     MAIN_CONTROL_LEVEL_NAME,
809     NULL,                               -1,
810     &menu.main.text.level_name,         &main_text_level_name,
811     NULL,                               NULL,
812   },
813   {
814     MAIN_CONTROL_LEVEL_AUTHOR,
815     NULL,                               -1,
816     &menu.main.text.level_author,       &main_text_level_author,
817     NULL,                               NULL,
818   },
819   {
820     MAIN_CONTROL_LEVEL_YEAR,
821     NULL,                               -1,
822     &menu.main.text.level_year,         &main_text_level_year,
823     NULL,                               NULL,
824   },
825   {
826     MAIN_CONTROL_LEVEL_IMPORTED_FROM,
827     NULL,                               -1,
828     &menu.main.text.level_imported_from, &main_text_level_imported_from,
829     NULL,                               NULL,
830   },
831   {
832     MAIN_CONTROL_LEVEL_IMPORTED_BY,
833     NULL,                               -1,
834     &menu.main.text.level_imported_by,  &main_text_level_imported_by,
835     NULL,                               NULL,
836   },
837   {
838     MAIN_CONTROL_LEVEL_TESTED_BY,
839     NULL,                               -1,
840     &menu.main.text.level_tested_by,    &main_text_level_tested_by,
841     NULL,                               NULL,
842   },
843   {
844     MAIN_CONTROL_TITLE_1,
845     NULL,                               -1,
846     &menu.main.text.title_1,            &main_text_title_1,
847     NULL,                               NULL,
848   },
849   {
850     MAIN_CONTROL_TITLE_2,
851     NULL,                               -1,
852     &menu.main.text.title_2,            &main_text_title_2,
853     NULL,                               NULL,
854   },
855   {
856     MAIN_CONTROL_TITLE_3,
857     NULL,                               -1,
858     &menu.main.text.title_3,            &main_text_title_3,
859     NULL,                               NULL,
860   },
861
862   {
863     -1,
864     NULL,                               -1,
865     NULL,                               NULL,
866     NULL,                               NULL,
867   }
868 };
869
870
871 static int getTitleScreenGraphic(int nr, boolean initial)
872 {
873   return (initial ? IMG_TITLESCREEN_INITIAL_1 : IMG_TITLESCREEN_1) + nr;
874 }
875
876 static struct TitleMessageInfo *getTitleMessageInfo(int nr, boolean initial)
877 {
878   return (initial ? &titlemessage_initial[nr] : &titlemessage[nr]);
879 }
880
881 #if 0
882 static int getTitleScreenGameMode(boolean initial)
883 {
884   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
885 }
886 #endif
887
888 static int getTitleMessageGameMode(boolean initial)
889 {
890   return (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
891 }
892
893 static int getTitleAnimMode(struct TitleControlInfo *tci)
894 {
895   int base = (tci->initial ? GAME_MODE_TITLE_INITIAL_1 : GAME_MODE_TITLE_1);
896
897   return base + tci->local_nr;
898 }
899
900 #if 0
901 static int getTitleScreenBackground(boolean initial)
902 {
903   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
904 }
905 #endif
906
907 #if 0
908 static int getTitleMessageBackground(int nr, boolean initial)
909 {
910   return (initial ? IMG_BACKGROUND_TITLE_INITIAL : IMG_BACKGROUND_TITLE);
911 }
912 #endif
913
914 static int getTitleBackground(int nr, boolean initial, boolean is_image)
915 {
916   int base = (is_image ?
917               (initial ? IMG_BACKGROUND_TITLESCREEN_INITIAL_1 :
918                          IMG_BACKGROUND_TITLESCREEN_1) :
919               (initial ? IMG_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
920                          IMG_BACKGROUND_TITLEMESSAGE_1));
921   int graphic_global = (initial ? IMG_BACKGROUND_TITLE_INITIAL :
922                                   IMG_BACKGROUND_TITLE);
923   int graphic_local = base + nr;
924
925   if (graphic_info[graphic_local].bitmap != NULL)
926     return graphic_local;
927
928   if (graphic_info[graphic_global].bitmap != NULL)
929     return graphic_global;
930
931   return IMG_UNDEFINED;
932 }
933
934 static int getTitleSound(struct TitleControlInfo *tci)
935 {
936   boolean is_image = tci->is_image;
937   int initial = tci->initial;
938   int nr = tci->local_nr;
939   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
940   int base = (is_image ?
941               (initial ? SND_BACKGROUND_TITLESCREEN_INITIAL_1 :
942                          SND_BACKGROUND_TITLESCREEN_1) :
943               (initial ? SND_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
944                          SND_BACKGROUND_TITLEMESSAGE_1));
945   int sound_global = menu.sound[mode];
946   int sound_local = base + nr;
947
948 #if 0
949   Debug("screens:getTitleSound", "%d, %d, %d: %d ['%s'], %d ['%s']",
950         nr, initial, is_image,
951         sound_global, getSoundListEntry(sound_global)->filename,
952         sound_local, getSoundListEntry(sound_local)->filename);
953 #endif
954
955   if (!strEqual(getSoundListEntry(sound_local)->filename, UNDEFINED_FILENAME))
956     return sound_local;
957
958   if (!strEqual(getSoundListEntry(sound_global)->filename, UNDEFINED_FILENAME))
959     return sound_global;
960
961   return SND_UNDEFINED;
962 }
963
964 static int getTitleMusic(struct TitleControlInfo *tci)
965 {
966   boolean is_image = tci->is_image;
967   int initial = tci->initial;
968   int nr = tci->local_nr;
969   int mode = (initial ? GAME_MODE_TITLE_INITIAL : GAME_MODE_TITLE);
970   int base = (is_image ?
971               (initial ? MUS_BACKGROUND_TITLESCREEN_INITIAL_1 :
972                          MUS_BACKGROUND_TITLESCREEN_1) :
973               (initial ? MUS_BACKGROUND_TITLEMESSAGE_INITIAL_1 :
974                          MUS_BACKGROUND_TITLEMESSAGE_1));
975   int music_global = menu.music[mode];
976   int music_local = base + nr;
977
978 #if 0
979   Debug("screens:getTitleMusic", "%d, %d, %d: %d ['%s'], %d ['%s']",
980         nr, initial, is_image,
981         music_global, getMusicListEntry(music_global)->filename,
982         music_local, getMusicListEntry(music_local)->filename);
983 #endif
984
985   if (!strEqual(getMusicListEntry(music_local)->filename, UNDEFINED_FILENAME))
986     return music_local;
987
988   if (!strEqual(getMusicListEntry(music_global)->filename, UNDEFINED_FILENAME))
989     return music_global;
990
991   return MUS_UNDEFINED;
992 }
993
994 static struct TitleFadingInfo getTitleFading(struct TitleControlInfo *tci)
995 {
996   boolean is_image = tci->is_image;
997   boolean initial = tci->initial;
998   boolean first = tci->first;
999   int nr = tci->local_nr;
1000   struct TitleMessageInfo tmi;
1001   struct TitleFadingInfo ti;
1002
1003   tmi = (is_image ? (initial ? (first ?
1004                                 titlescreen_initial_first[nr] :
1005                                 titlescreen_initial[nr])
1006                              : (first ?
1007                                 titlescreen_first[nr] :
1008                                 titlescreen[nr]))
1009                   : (initial ? (first ?
1010                                 titlemessage_initial_first[nr] :
1011                                 titlemessage_initial[nr])
1012                              : (first ?
1013                                 titlemessage_first[nr] :
1014                                 titlemessage[nr])));
1015
1016   ti.fade_mode  = tmi.fade_mode;
1017   ti.fade_delay = tmi.fade_delay;
1018   ti.post_delay = tmi.post_delay;
1019   ti.auto_delay = tmi.auto_delay;
1020   ti.auto_delay_unit = tmi.auto_delay_unit;
1021
1022   return ti;
1023 }
1024
1025 static int compareTitleControlInfo(const void *object1, const void *object2)
1026 {
1027   const struct TitleControlInfo *tci1 = (struct TitleControlInfo *)object1;
1028   const struct TitleControlInfo *tci2 = (struct TitleControlInfo *)object2;
1029   int compare_result;
1030
1031   if (tci1->initial != tci2->initial)
1032     compare_result = (tci1->initial ? -1 : +1);
1033   else if (tci1->sort_priority != tci2->sort_priority)
1034     compare_result = tci1->sort_priority - tci2->sort_priority;
1035   else if (tci1->is_image != tci2->is_image)
1036     compare_result = (tci1->is_image ? -1 : +1);
1037   else
1038     compare_result = tci1->local_nr - tci2->local_nr;
1039
1040   return compare_result;
1041 }
1042
1043 static void InitializeTitleControlsExt_AddTitleInfo(boolean is_image,
1044                                                     boolean initial,
1045                                                     int nr, int sort_priority)
1046 {
1047   title_controls[num_title_screens].is_image = is_image;
1048   title_controls[num_title_screens].initial = initial;
1049   title_controls[num_title_screens].local_nr = nr;
1050   title_controls[num_title_screens].sort_priority = sort_priority;
1051
1052   title_controls[num_title_screens].first = FALSE;      // will be set later
1053
1054   num_title_screens++;
1055 }
1056
1057 static void InitializeTitleControls_CheckTitleInfo(boolean initial)
1058 {
1059   int i;
1060
1061   for (i = 0; i < MAX_NUM_TITLE_IMAGES; i++)
1062   {
1063     int graphic = getTitleScreenGraphic(i, initial);
1064     Bitmap *bitmap = graphic_info[graphic].bitmap;
1065     int sort_priority = graphic_info[graphic].sort_priority;
1066
1067     if (bitmap != NULL)
1068       InitializeTitleControlsExt_AddTitleInfo(TRUE, initial, i, sort_priority);
1069   }
1070
1071   for (i = 0; i < MAX_NUM_TITLE_MESSAGES; i++)
1072   {
1073     struct TitleMessageInfo *tmi = getTitleMessageInfo(i, initial);
1074     char *filename = getLevelSetTitleMessageFilename(i, initial);
1075     int sort_priority = tmi->sort_priority;
1076
1077     if (filename != NULL)
1078       InitializeTitleControlsExt_AddTitleInfo(FALSE, initial, i, sort_priority);
1079   }
1080 }
1081
1082 static void InitializeTitleControls(boolean show_title_initial)
1083 {
1084   num_title_screens = 0;
1085
1086   // 1st step: initialize title screens for game start (only when starting)
1087   if (show_title_initial)
1088     InitializeTitleControls_CheckTitleInfo(TRUE);
1089
1090   // 2nd step: initialize title screens for current level set
1091   InitializeTitleControls_CheckTitleInfo(FALSE);
1092
1093   // sort title screens according to sort_priority and title number
1094   qsort(title_controls, num_title_screens, sizeof(struct TitleControlInfo),
1095         compareTitleControlInfo);
1096
1097   // mark first title screen
1098   title_controls[0].first = TRUE;
1099 }
1100
1101 static boolean visibleMenuPos(struct MenuPosInfo *pos)
1102 {
1103   return (pos != NULL && pos->x != -1 && pos->y != -1);
1104 }
1105
1106 static boolean visibleTextPos(struct TextPosInfo *pos)
1107 {
1108   return (pos != NULL && pos->x != -1 && pos->y != -1);
1109 }
1110
1111 static void InitializeMainControls(void)
1112 {
1113   boolean local_team_mode = (!network.enabled && setup.team_mode);
1114   int i;
1115
1116   // set main control text values to dynamically determined values
1117   sprintf(main_text_name,         "%s",   local_team_mode ? "Team:" : "Name:");
1118
1119   strcpy(main_text_first_level,  int2str(leveldir_current->first_level,
1120                                          menu.main.text.first_level.size));
1121   strcpy(main_text_last_level,   int2str(leveldir_current->last_level,
1122                                          menu.main.text.last_level.size));
1123   strcpy(main_text_level_number, int2str(level_nr,
1124                                          menu.main.text.level_number.size));
1125
1126   main_text_level_year          = leveldir_current->year;
1127   main_text_level_imported_from = leveldir_current->imported_from;
1128   main_text_level_imported_by   = leveldir_current->imported_by;
1129   main_text_level_tested_by     = leveldir_current->tested_by;
1130
1131   main_text_title_1 = getConfigProgramTitleString();
1132   main_text_title_2 = getConfigProgramCopyrightString();
1133   main_text_title_3 = getConfigProgramCompanyString();
1134
1135   // set main control screen positions to dynamically determined values
1136   for (i = 0; main_controls[i].nr != -1; i++)
1137   {
1138     struct MainControlInfo *mci = &main_controls[i];
1139     int nr                         = mci->nr;
1140     struct MenuPosInfo *pos_button = mci->pos_button;
1141     struct TextPosInfo *pos_text   = mci->pos_text;
1142     struct TextPosInfo *pos_input  = mci->pos_input;
1143     char *text                     = (mci->text  ? *mci->text  : NULL);
1144     char *input                    = (mci->input ? *mci->input : NULL);
1145     int button_graphic             = mci->button_graphic;
1146     int font_text                  = (pos_text  ? pos_text->font  : -1);
1147     int font_input                 = (pos_input ? pos_input->font : -1);
1148
1149     int font_text_width   = (font_text  != -1 ? getFontWidth(font_text)   : 0);
1150     int font_text_height  = (font_text  != -1 ? getFontHeight(font_text)  : 0);
1151     int font_input_width  = (font_input != -1 ? getFontWidth(font_input)  : 0);
1152     int font_input_height = (font_input != -1 ? getFontHeight(font_input) : 0);
1153     int text_chars  = (text  != NULL ? strlen(text)  : 0);
1154     int input_chars = (input != NULL ? strlen(input) : 0);
1155
1156     int button_width =
1157       (button_graphic != -1 ? graphic_info[button_graphic].width  : 0);
1158     int button_height =
1159       (button_graphic != -1 ? graphic_info[button_graphic].height : 0);
1160     int text_width   = font_text_width * text_chars;
1161     int text_height  = font_text_height;
1162     int input_width  = font_input_width * input_chars;
1163     int input_height = font_input_height;
1164
1165     if (nr == MAIN_CONTROL_NAME)
1166     {
1167       menu.main.input.name.width  = input_width;
1168       menu.main.input.name.height = input_height;
1169     }
1170
1171     if (pos_button != NULL)             // (x/y may be -1/-1 here)
1172     {
1173       pos_button->width  = button_width;
1174       pos_button->height = button_height;
1175     }
1176
1177     if (pos_text != NULL)               // (x/y may be -1/-1 here)
1178     {
1179       // calculate text size -- needed for text alignment
1180       boolean calculate_text_size = (text != NULL);
1181
1182       if (pos_text->width == -1 || calculate_text_size)
1183         pos_text->width = text_width;
1184       if (pos_text->height == -1 || calculate_text_size)
1185         pos_text->height = text_height;
1186
1187       if (visibleMenuPos(pos_button))
1188       {
1189         if (pos_text->x == -1)
1190           pos_text->x = pos_button->x + pos_button->width;
1191         if (pos_text->y == -1)
1192           pos_text->y =
1193             pos_button->y + (pos_button->height - pos_text->height) / 2;
1194       }
1195     }
1196
1197     if (pos_input != NULL)              // (x/y may be -1/-1 here)
1198     {
1199       if (visibleTextPos(pos_text))
1200       {
1201         if (pos_input->x == -1)
1202           pos_input->x = pos_text->x + pos_text->width;
1203         if (pos_input->y == -1)
1204           pos_input->y = pos_text->y;
1205       }
1206
1207       if (pos_input->width == -1)
1208         pos_input->width = input_width;
1209       if (pos_input->height == -1)
1210         pos_input->height = input_height;
1211     }
1212   }
1213 }
1214
1215 static void DrawPressedGraphicThruMask(int dst_x, int dst_y,
1216                                        int graphic, boolean pressed)
1217 {
1218   struct GraphicInfo *g = &graphic_info[graphic];
1219   Bitmap *src_bitmap;
1220   int src_x, src_y;
1221   int xoffset = (pressed ? g->pressed_xoffset : 0);
1222   int yoffset = (pressed ? g->pressed_yoffset : 0);
1223
1224   getFixedGraphicSource(graphic, 0, &src_bitmap, &src_x, &src_y);
1225
1226   BlitBitmapMasked(src_bitmap, drawto, src_x + xoffset, src_y + yoffset,
1227                    g->width, g->height, dst_x, dst_y);
1228 }
1229
1230 static void DrawCursorAndText_Main_Ext(int nr, boolean active_text,
1231                                        boolean active_input,
1232                                        boolean pressed_button)
1233 {
1234   int i;
1235
1236   for (i = 0; main_controls[i].nr != -1; i++)
1237   {
1238     struct MainControlInfo *mci = &main_controls[i];
1239
1240     if (mci->nr == nr || nr == -1)
1241     {
1242       struct MenuPosInfo *pos_button = mci->pos_button;
1243       struct TextPosInfo *pos_text   = mci->pos_text;
1244       struct TextPosInfo *pos_input  = mci->pos_input;
1245       char *text                     = (mci->text  ? *mci->text  : NULL);
1246       char *input                    = (mci->input ? *mci->input : NULL);
1247       int button_graphic             = mci->button_graphic;
1248       int font_text                  = (pos_text  ? pos_text->font  : -1);
1249       int font_input                 = (pos_input ? pos_input->font : -1);
1250
1251       if (active_text)
1252       {
1253         button_graphic = BUTTON_ACTIVE(button_graphic);
1254         font_text = FONT_ACTIVE(font_text);
1255       }
1256
1257       if (active_input)
1258       {
1259         font_input = FONT_ACTIVE(font_input);
1260       }
1261
1262       if (visibleMenuPos(pos_button))
1263       {
1264         struct MenuPosInfo *pos = pos_button;
1265         int x = mSX + pos->x;
1266         int y = mSY + pos->y;
1267
1268         DrawBackgroundForGraphic(x, y, pos->width, pos->height, button_graphic);
1269         DrawPressedGraphicThruMask(x, y, button_graphic, pressed_button);
1270       }
1271
1272       if (visibleTextPos(pos_text) && text != NULL)
1273       {
1274         struct TextPosInfo *pos = pos_text;
1275         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1276         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1277
1278 #if 1
1279         // (check why/if this is needed)
1280         DrawBackgroundForFont(x, y, pos->width, pos->height, font_text);
1281 #endif
1282         DrawText(x, y, text, font_text);
1283       }
1284
1285       if (visibleTextPos(pos_input) && input != NULL)
1286       {
1287         struct TextPosInfo *pos = pos_input;
1288         int x = mSX + ALIGNED_TEXT_XPOS(pos);
1289         int y = mSY + ALIGNED_TEXT_YPOS(pos);
1290
1291 #if 1
1292         // (check why/if this is needed)
1293         DrawBackgroundForFont(x, y, pos->width, pos->height, font_input);
1294 #endif
1295         DrawText(x, y, input, font_input);
1296       }
1297     }
1298   }
1299 }
1300
1301 static void DrawCursorAndText_Main(int nr, boolean active_text,
1302                                    boolean pressed_button)
1303 {
1304   DrawCursorAndText_Main_Ext(nr, active_text, FALSE, pressed_button);
1305 }
1306
1307 #if 0
1308 static void DrawCursorAndText_Main_Input(int nr, boolean active_text,
1309                                          boolean pressed_button)
1310 {
1311   DrawCursorAndText_Main_Ext(nr, active_text, TRUE, pressed_button);
1312 }
1313 #endif
1314
1315 static struct MainControlInfo *getMainControlInfo(int nr)
1316 {
1317   int i;
1318
1319   for (i = 0; main_controls[i].nr != -1; i++)
1320     if (main_controls[i].nr == nr)
1321       return &main_controls[i];
1322
1323   return NULL;
1324 }
1325
1326 static boolean insideMenuPosRect(struct MenuPosInfo *rect, int x, int y)
1327 {
1328   if (rect == NULL)
1329     return FALSE;
1330
1331   int rect_x = ALIGNED_TEXT_XPOS(rect);
1332   int rect_y = ALIGNED_TEXT_YPOS(rect);
1333
1334   return (x >= rect_x && x < rect_x + rect->width &&
1335           y >= rect_y && y < rect_y + rect->height);
1336 }
1337
1338 static boolean insideTextPosRect(struct TextPosInfo *rect, int x, int y)
1339 {
1340   if (rect == NULL)
1341     return FALSE;
1342
1343   int rect_x = ALIGNED_TEXT_XPOS(rect);
1344   int rect_y = ALIGNED_TEXT_YPOS(rect);
1345
1346 #if 0
1347   Debug("screens:insideTextPosRect",
1348         "(%d, %d), (%d, %d) [%d, %d] (%d, %d) => %d",
1349         x, y, rect_x, rect_y, rect->x, rect->y, rect->width, rect->height,
1350         (x >= rect_x && x < rect_x + rect->width &&
1351          y >= rect_y && y < rect_y + rect->height));
1352 #endif
1353
1354   return (x >= rect_x && x < rect_x + rect->width &&
1355           y >= rect_y && y < rect_y + rect->height);
1356 }
1357
1358 static boolean insidePreviewRect(struct PreviewInfo *preview, int x, int y)
1359 {
1360   int rect_width  = preview->xsize * preview->tile_size;
1361   int rect_height = preview->ysize * preview->tile_size;
1362   int rect_x = ALIGNED_XPOS(preview->x, rect_width,  preview->align);
1363   int rect_y = ALIGNED_YPOS(preview->y, rect_height, preview->valign);
1364
1365   return (x >= rect_x && x < rect_x + rect_width &&
1366           y >= rect_y && y < rect_y + rect_height);
1367 }
1368
1369 static void AdjustScrollbar(int id, int items_max, int items_visible,
1370                             int item_position)
1371 {
1372   struct GadgetInfo *gi = screen_gadget[id];
1373
1374   if (item_position > items_max - items_visible)
1375     item_position = items_max - items_visible;
1376
1377   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
1378                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
1379                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
1380 }
1381
1382 static void AdjustChooseTreeScrollbar(int id, int first_entry, TreeInfo *ti)
1383 {
1384   AdjustScrollbar(id, numTreeInfoInGroup(ti), NUM_MENU_ENTRIES_ON_SCREEN,
1385                   first_entry);
1386 }
1387
1388 static void clearMenuListArea(void)
1389 {
1390   int scrollbar_xpos = mSX + SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
1391
1392   // correct scrollbar position if placed outside menu (playfield) area
1393   if (scrollbar_xpos > SX + SC_SCROLLBAR_XPOS)
1394     scrollbar_xpos = SX + SC_SCROLLBAR_XPOS;
1395
1396   // clear menu list area, but not title or scrollbar
1397   DrawBackground(mSX, mSY + MENU_SCREEN_START_YPOS * 32,
1398                  scrollbar_xpos - mSX, NUM_MENU_ENTRIES_ON_SCREEN * 32);
1399 }
1400
1401 static void drawCursorExt(int xpos, int ypos, boolean active, int graphic)
1402 {
1403   static int cursor_array[MAX_LEV_FIELDY];
1404   int x = amSX + TILEX * xpos;
1405   int y = amSY + TILEY * (MENU_SCREEN_START_YPOS + ypos);
1406
1407   if (xpos == 0)
1408   {
1409     if (graphic != -1)
1410       cursor_array[ypos] = graphic;
1411     else
1412       graphic = cursor_array[ypos];
1413   }
1414
1415   if (active)
1416     graphic = BUTTON_ACTIVE(graphic);
1417
1418   DrawBackgroundForGraphic(x, y, TILEX, TILEY, graphic);
1419   DrawFixedGraphicThruMaskExt(drawto, x, y, graphic, 0);
1420 }
1421
1422 static void initCursor(int ypos, int graphic)
1423 {
1424   drawCursorExt(0, ypos, FALSE, graphic);
1425 }
1426
1427 static void drawCursor(int ypos, boolean active)
1428 {
1429   drawCursorExt(0, ypos, active, -1);
1430 }
1431
1432 static void drawCursorXY(int xpos, int ypos, int graphic)
1433 {
1434   drawCursorExt(xpos, ypos, FALSE, graphic);
1435 }
1436
1437 static void drawChooseTreeCursor(int ypos, boolean active)
1438 {
1439   drawCursorExt(0, ypos, active, -1);
1440 }
1441
1442 static int getChooseTreeEditFont(boolean active)
1443 {
1444   return (active ? FONT_MENU_2_ACTIVE : FONT_MENU_2);
1445 }
1446
1447 static int getChooseTreeEditXPos(int pos)
1448 {
1449   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
1450   int xoffset = (has_scrollbar ? -1 : 0);
1451   int xpos = MENU_SCREEN_TEXT2_XPOS + xoffset;
1452   int sx = amSX + xpos * TILEX;
1453   int font_nr = getChooseTreeEditFont(FALSE);
1454   int width = getTextWidth(STR_CHOOSE_TREE_EDIT, font_nr);
1455
1456   return (pos == POS_RIGHT ? sx + width - 1 : sx);
1457 }
1458
1459 static int getChooseTreeEditYPos(int ypos_raw)
1460 {
1461   int ypos = MENU_SCREEN_START_YPOS + ypos_raw;
1462   int sy = amSY + ypos * TILEY;
1463
1464   return sy;
1465 }
1466
1467 static void drawChooseTreeEdit(int ypos_raw, boolean active)
1468 {
1469   int sx = getChooseTreeEditXPos(POS_LEFT);
1470   int sy = getChooseTreeEditYPos(ypos_raw);
1471   int font_nr = getChooseTreeEditFont(active);
1472
1473   DrawText(sx, sy, STR_CHOOSE_TREE_EDIT, font_nr);
1474 }
1475
1476 static void DrawHeadline(void)
1477 {
1478   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, main_text_title_1);
1479   DrawTextSCentered(MENU_TITLE2_YPOS, FONT_TITLE_2, main_text_title_2);
1480 }
1481
1482 static void DrawTitleScreenImage(int nr, boolean initial)
1483 {
1484   int graphic = getTitleScreenGraphic(nr, initial);
1485   Bitmap *bitmap = graphic_info[graphic].bitmap;
1486   int width  = graphic_info[graphic].width;
1487   int height = graphic_info[graphic].height;
1488   int src_x = graphic_info[graphic].src_x;
1489   int src_y = graphic_info[graphic].src_y;
1490   int dst_x, dst_y;
1491
1492   if (bitmap == NULL)
1493     return;
1494
1495   if (width > WIN_XSIZE)
1496   {
1497     // image width too large for window => center image horizontally
1498     src_x = (width - WIN_XSIZE) / 2;
1499     width = WIN_XSIZE;
1500   }
1501
1502   if (height > WIN_YSIZE)
1503   {
1504     // image height too large for window => center image vertically
1505     src_y = (height - WIN_YSIZE) / 2;
1506     height = WIN_YSIZE;
1507   }
1508
1509   // always display title screens centered
1510   dst_x = (WIN_XSIZE - width) / 2;
1511   dst_y = (WIN_YSIZE - height) / 2;
1512
1513   SetDrawBackgroundMask(REDRAW_ALL);
1514   SetWindowBackgroundImage(getTitleBackground(nr, initial, TRUE));
1515
1516   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1517
1518   if (DrawingOnBackground(dst_x, dst_y))
1519     BlitBitmapMasked(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1520   else
1521     BlitBitmap(bitmap, drawto, src_x, src_y, width, height, dst_x, dst_y);
1522
1523   redraw_mask = REDRAW_ALL;
1524 }
1525
1526 static void DrawTitleScreenMessage(int nr, boolean initial)
1527 {
1528   char *filename = getLevelSetTitleMessageFilename(nr, initial);
1529   struct TitleMessageInfo *tmi = getTitleMessageInfo(nr, initial);
1530
1531   if (filename == NULL)
1532     return;
1533
1534   // force TITLE font on title message screen
1535   SetFontStatus(getTitleMessageGameMode(initial));
1536
1537   // if chars *and* width set to "-1", automatically determine width
1538   if (tmi->chars == -1 && tmi->width == -1)
1539     tmi->width = viewport.window[game_status].width;
1540
1541   // if lines *and* height set to "-1", automatically determine height
1542   if (tmi->lines == -1 && tmi->height == -1)
1543     tmi->height = viewport.window[game_status].height;
1544
1545   // if chars set to "-1", automatically determine by text and font width
1546   if (tmi->chars == -1)
1547     tmi->chars = tmi->width / getFontWidth(tmi->font);
1548   else
1549     tmi->width = tmi->chars * getFontWidth(tmi->font);
1550
1551   // if lines set to "-1", automatically determine by text and font height
1552   if (tmi->lines == -1)
1553     tmi->lines = tmi->height / getFontHeight(tmi->font);
1554   else
1555     tmi->height = tmi->lines * getFontHeight(tmi->font);
1556
1557   // if x set to "-1", automatically determine by width and alignment
1558   if (tmi->x == -1)
1559     tmi->x = -1 * ALIGNED_XPOS(0, tmi->width, tmi->align);
1560
1561   // if y set to "-1", automatically determine by height and alignment
1562   if (tmi->y == -1)
1563     tmi->y = -1 * ALIGNED_YPOS(0, tmi->height, tmi->valign);
1564
1565   SetDrawBackgroundMask(REDRAW_ALL);
1566   SetWindowBackgroundImage(getTitleBackground(nr, initial, FALSE));
1567
1568   ClearRectangleOnBackground(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
1569
1570   DrawTextFile(ALIGNED_TEXT_XPOS(tmi), ALIGNED_TEXT_YPOS(tmi),
1571                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
1572                tmi->autowrap, tmi->centered, tmi->parse_comments);
1573
1574   ResetFontStatus();
1575 }
1576
1577 static void DrawTitleScreen(void)
1578 {
1579   KeyboardAutoRepeatOff();
1580
1581   HandleTitleScreen(0, 0, 0, 0, MB_MENU_INITIALIZE);
1582 }
1583
1584 static boolean CheckTitleScreen(boolean levelset_has_changed)
1585 {
1586   static boolean show_title_initial = TRUE;
1587   boolean show_titlescreen = FALSE;
1588
1589   // needed to be able to skip title screen, if no image or message defined
1590   InitializeTitleControls(show_title_initial);
1591
1592   if (setup.show_titlescreen && (show_title_initial || levelset_has_changed))
1593     show_titlescreen = TRUE;
1594
1595   // show initial title images and messages only once at program start
1596   show_title_initial = FALSE;
1597
1598   return (show_titlescreen && num_title_screens > 0);
1599 }
1600
1601 void DrawMainMenu(void)
1602 {
1603   static LevelDirTree *leveldir_last_valid = NULL;
1604   boolean levelset_has_changed = FALSE;
1605   int fade_mask = REDRAW_FIELD;
1606
1607   LimitScreenUpdates(FALSE);
1608
1609   FadeSetLeaveScreen();
1610
1611   // do not fade out here -- function may continue and fade on editor screen
1612
1613   UnmapAllGadgets();
1614   FadeMenuSoundsAndMusic();
1615
1616   ExpireSoundLoops(FALSE);
1617
1618   KeyboardAutoRepeatOn();
1619
1620   audio.sound_deactivated = FALSE;
1621
1622   GetPlayerConfig();
1623
1624   // needed if last screen was the playing screen, invoked from level editor
1625   if (level_editor_test_game)
1626   {
1627     CloseDoor(DOOR_CLOSE_ALL);
1628
1629     SetGameStatus(GAME_MODE_EDITOR);
1630
1631     DrawLevelEd();
1632
1633     return;
1634   }
1635
1636   // leveldir_current may be invalid (level group, parent link, node copy)
1637   leveldir_current = getValidLevelSeries(leveldir_current, leveldir_last_valid);
1638
1639   if (leveldir_current != leveldir_last_valid)
1640   {
1641     UpdateLastPlayedLevels_TreeInfo();
1642
1643     levelset_has_changed = TRUE;
1644   }
1645
1646   // store valid level series information
1647   leveldir_last_valid = leveldir_current;
1648
1649   init_last = init;                     // switch to new busy animation
1650
1651   // needed if last screen (level choice) changed graphics, sounds or music
1652   ReloadCustomArtwork(0);
1653
1654   if (CheckTitleScreen(levelset_has_changed))
1655   {
1656     SetGameStatus(GAME_MODE_TITLE);
1657
1658     DrawTitleScreen();
1659
1660     return;
1661   }
1662
1663   if (redraw_mask & REDRAW_ALL)
1664     fade_mask = REDRAW_ALL;
1665
1666   if (CheckFadeAll())
1667     fade_mask = REDRAW_ALL;
1668
1669   FadeOut(fade_mask);
1670
1671   // needed if different viewport properties defined for menues
1672   ChangeViewportPropertiesIfNeeded();
1673
1674   SetDrawtoField(DRAW_TO_BACKBUFFER);
1675
1676   // level_nr may have been set to value over handicap with level editor
1677   if (setup.handicap && level_nr > leveldir_current->handicap_level)
1678     level_nr = leveldir_current->handicap_level;
1679
1680   LoadLevel(level_nr);
1681   LoadScore(level_nr);
1682
1683   SaveLevelSetup_SeriesInfo();
1684
1685   // set this after "ChangeViewportPropertiesIfNeeded()" (which may reset it)
1686   SetDrawDeactivationMask(REDRAW_NONE);
1687   SetDrawBackgroundMask(REDRAW_FIELD);
1688
1689   SetMainBackgroundImage(IMG_BACKGROUND_MAIN);
1690
1691 #if 0
1692   if (fade_mask == REDRAW_ALL)
1693     RedrawGlobalBorder();
1694 #endif
1695
1696   ClearField();
1697
1698   InitializeMainControls();
1699
1700   DrawCursorAndText_Main(-1, FALSE, FALSE);
1701   DrawPreviewLevelInitial();
1702   DrawNetworkPlayers();
1703
1704   HandleMainMenu(0, 0, 0, 0, MB_MENU_INITIALIZE);
1705
1706   TapeStop();
1707   if (TAPE_IS_EMPTY(tape))
1708     LoadTape(level_nr);
1709   DrawCompleteVideoDisplay();
1710
1711   PlayMenuSoundsAndMusic();
1712
1713   // create gadgets for main menu screen
1714   FreeScreenGadgets();
1715   CreateScreenGadgets();
1716
1717   // may be required if audio buttons shown on tape and changed in setup menu
1718   FreeGameButtons();
1719   CreateGameButtons();
1720
1721   // map gadgets for main menu screen
1722   MapTapeButtons();
1723   MapScreenMenuGadgets(SCREEN_MASK_MAIN);
1724   UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
1725
1726   // copy actual game door content to door double buffer for OpenDoor()
1727   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
1728   BlitBitmap(drawto, bitmap_db_door_2, VX, VY, VXSIZE, VYSIZE, 0, 0);
1729
1730   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
1731
1732   DrawMaskedBorder(fade_mask);
1733
1734   FadeIn(fade_mask);
1735   FadeSetEnterMenu();
1736
1737   // update screen area with special editor door
1738   redraw_mask |= REDRAW_ALL;
1739   BackToFront();
1740
1741   SetMouseCursor(CURSOR_DEFAULT);
1742
1743   OpenDoor(DOOR_CLOSE_1 | DOOR_OPEN_2);
1744
1745   SyncEmscriptenFilesystem();
1746 }
1747
1748 static void gotoTopLevelDir(void)
1749 {
1750   // move upwards until inside (but not above) top level directory
1751   while (leveldir_current->node_parent &&
1752          !strEqual(leveldir_current->node_parent->subdir, STRING_TOP_DIRECTORY))
1753   {
1754     // write a "path" into level tree for easy navigation to last level
1755     if (leveldir_current->node_parent->node_group->cl_first == -1)
1756     {
1757       int num_leveldirs = numTreeInfoInGroup(leveldir_current);
1758       int leveldir_pos = getPosFromTreeInfo(leveldir_current);
1759       int num_page_entries = MIN(num_leveldirs, NUM_MENU_ENTRIES_ON_SCREEN);
1760       int cl_first, cl_cursor;
1761
1762       cl_first = MAX(0, leveldir_pos - num_page_entries + 1);
1763       cl_cursor = leveldir_pos - cl_first;
1764
1765       leveldir_current->node_parent->node_group->cl_first = cl_first;
1766       leveldir_current->node_parent->node_group->cl_cursor = cl_cursor;
1767     }
1768
1769     leveldir_current = leveldir_current->node_parent;
1770   }
1771 }
1772
1773 static unsigned int getAutoDelayCounter(struct TitleFadingInfo *fi)
1774 {
1775   boolean use_frame_counter = (fi->auto_delay_unit == AUTO_DELAY_UNIT_FRAMES);
1776
1777   return (use_frame_counter ? video.frame_counter : Counter());
1778 }
1779
1780 static boolean TitleAutoDelayReached(unsigned int *counter_var,
1781                                      struct TitleFadingInfo *fi)
1782 {
1783   return DelayReachedExt(counter_var, fi->auto_delay, getAutoDelayCounter(fi));
1784 }
1785
1786 static void ResetTitleAutoDelay(unsigned int *counter_var,
1787                                 struct TitleFadingInfo *fi)
1788 {
1789   *counter_var = getAutoDelayCounter(fi);
1790 }
1791
1792 void HandleTitleScreen(int mx, int my, int dx, int dy, int button)
1793 {
1794   static unsigned int title_delay = 0;
1795   static int title_screen_nr = 0;
1796   static int last_sound = -1, last_music = -1;
1797   boolean return_to_main_menu = FALSE;
1798   struct TitleControlInfo *tci;
1799   int sound, music;
1800
1801   if (button == MB_MENU_INITIALIZE)
1802   {
1803     title_delay = 0;
1804     title_screen_nr = 0;
1805     tci = &title_controls[title_screen_nr];
1806
1807     SetAnimStatus(getTitleAnimMode(tci));
1808
1809     last_sound = SND_UNDEFINED;
1810     last_music = MUS_UNDEFINED;
1811
1812     if (num_title_screens != 0)
1813     {
1814       FadeSetEnterScreen();
1815
1816       // use individual title fading instead of global "enter screen" fading
1817       fading = getTitleFading(tci);
1818     }
1819
1820     if (game_status_last_screen == GAME_MODE_INFO)
1821     {
1822       if (num_title_screens == 0)
1823       {
1824         // switch game mode from title screen mode back to info screen mode
1825         SetGameStatus(GAME_MODE_INFO);
1826
1827         // store that last screen was info screen, not main menu screen
1828         game_status_last_screen = GAME_MODE_INFO;
1829
1830         DrawInfoScreen_NotAvailable("Title screen information:",
1831                                     "No title screen for this level set.");
1832         return;
1833       }
1834     }
1835
1836     FadeMenuSoundsAndMusic();
1837
1838     FadeOut(REDRAW_ALL);
1839
1840     // title screens may have different window size
1841     ChangeViewportPropertiesIfNeeded();
1842
1843     // only required to update logic for redrawing global border
1844     ClearField();
1845
1846     if (tci->is_image)
1847       DrawTitleScreenImage(tci->local_nr, tci->initial);
1848     else
1849       DrawTitleScreenMessage(tci->local_nr, tci->initial);
1850
1851     sound = getTitleSound(tci);
1852     music = getTitleMusic(tci);
1853
1854     if (sound != last_sound)
1855       PlayMenuSoundExt(sound);
1856     if (music != last_music)
1857       PlayMenuMusicExt(music);
1858
1859     last_sound = sound;
1860     last_music = music;
1861
1862     SetMouseCursor(CURSOR_NONE);
1863
1864     FadeIn(REDRAW_ALL);
1865
1866     ResetTitleAutoDelay(&title_delay, &fading);
1867
1868     return;
1869   }
1870
1871   if (fading.auto_delay > 0 && TitleAutoDelayReached(&title_delay, &fading))
1872     button = MB_MENU_CHOICE;
1873
1874   if (button == MB_MENU_LEAVE)
1875   {
1876     return_to_main_menu = TRUE;
1877   }
1878   else if (button == MB_MENU_CHOICE)
1879   {
1880     if (game_status_last_screen == GAME_MODE_INFO && num_title_screens == 0)
1881     {
1882       SetGameStatus(GAME_MODE_INFO);
1883
1884       info_mode = INFO_MODE_MAIN;
1885
1886       DrawInfoScreen();
1887
1888       return;
1889     }
1890
1891     title_screen_nr++;
1892
1893     if (title_screen_nr < num_title_screens)
1894     {
1895       tci = &title_controls[title_screen_nr];
1896
1897       SetAnimStatus(getTitleAnimMode(tci));
1898
1899       sound = getTitleSound(tci);
1900       music = getTitleMusic(tci);
1901
1902       if (last_sound != SND_UNDEFINED && sound != last_sound)
1903         FadeSound(last_sound);
1904       if (last_music != MUS_UNDEFINED && music != last_music)
1905         FadeMusic();
1906
1907       fading = getTitleFading(tci);
1908
1909       FadeOut(REDRAW_ALL);
1910
1911       if (tci->is_image)
1912         DrawTitleScreenImage(tci->local_nr, tci->initial);
1913       else
1914         DrawTitleScreenMessage(tci->local_nr, tci->initial);
1915
1916       sound = getTitleSound(tci);
1917       music = getTitleMusic(tci);
1918
1919       if (sound != last_sound)
1920         PlayMenuSoundExt(sound);
1921       if (music != last_music)
1922         PlayMenuMusicExt(music);
1923
1924       last_sound = sound;
1925       last_music = music;
1926
1927       FadeIn(REDRAW_ALL);
1928
1929       ResetTitleAutoDelay(&title_delay, &fading);
1930     }
1931     else
1932     {
1933       FadeMenuSoundsAndMusic();
1934
1935       return_to_main_menu = TRUE;
1936     }
1937   }
1938
1939   if (return_to_main_menu)
1940   {
1941     SetMouseCursor(CURSOR_DEFAULT);
1942
1943     // force full menu screen redraw after displaying title screens
1944     redraw_mask = REDRAW_ALL;
1945
1946     if (game_status_last_screen == GAME_MODE_INFO)
1947     {
1948       SetGameStatus(GAME_MODE_INFO);
1949
1950       info_mode = INFO_MODE_MAIN;
1951
1952       DrawInfoScreen();
1953     }
1954     else        // default: return to main menu
1955     {
1956       SetGameStatus(GAME_MODE_MAIN);
1957
1958       DrawMainMenu();
1959     }
1960   }
1961 }
1962
1963 static void HandleMainMenu_ToggleTeamMode(void)
1964 {
1965   setup.team_mode = !setup.team_mode;
1966
1967   InitializeMainControls();
1968   DrawCursorAndText_Main(MAIN_CONTROL_NAME, TRUE, FALSE);
1969
1970   DrawPreviewPlayers();
1971 }
1972
1973 static void HandleMainMenu_SelectLevel(int step, int direction,
1974                                        int selected_level_nr)
1975 {
1976   int old_level_nr = level_nr;
1977   int new_level_nr;
1978
1979   if (selected_level_nr != NO_DIRECT_LEVEL_SELECT)
1980     new_level_nr = selected_level_nr;
1981   else
1982     new_level_nr = old_level_nr + step * direction;
1983
1984   if (new_level_nr < leveldir_current->first_level)
1985     new_level_nr = leveldir_current->first_level;
1986   if (new_level_nr > leveldir_current->last_level)
1987     new_level_nr = leveldir_current->last_level;
1988
1989   if (setup.handicap && new_level_nr > leveldir_current->handicap_level)
1990   {
1991     // skipping levels is only allowed when trying to skip single level
1992     if (setup.skip_levels && new_level_nr == old_level_nr + 1 &&
1993         Request("Level still unsolved! Skip despite handicap?", REQ_ASK))
1994     {
1995       leveldir_current->handicap_level++;
1996       SaveLevelSetup_SeriesInfo();
1997     }
1998
1999     new_level_nr = leveldir_current->handicap_level;
2000   }
2001
2002   if (new_level_nr != old_level_nr)
2003   {
2004     struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_LEVEL_NUMBER);
2005
2006     PlaySound(SND_MENU_ITEM_SELECTING);
2007
2008     level_nr = new_level_nr;
2009
2010     DrawText(mSX + mci->pos_text->x, mSY + mci->pos_text->y,
2011              int2str(level_nr, menu.main.text.level_number.size),
2012              mci->pos_text->font);
2013
2014     LoadLevel(level_nr);
2015     DrawPreviewLevelInitial();
2016
2017     TapeErase();
2018     LoadTape(level_nr);
2019     DrawCompleteVideoDisplay();
2020
2021     SaveLevelSetup_SeriesInfo();
2022
2023     UpdateScreenMenuGadgets(SCREEN_MASK_MAIN_HAS_SOLUTION, hasSolutionTape());
2024
2025     // force redraw of playfield area (may be reset at this point)
2026     redraw_mask |= REDRAW_FIELD;
2027   }
2028 }
2029
2030 void HandleMainMenu(int mx, int my, int dx, int dy, int button)
2031 {
2032   static int choice = MAIN_CONTROL_GAME;
2033   static boolean button_pressed_last = FALSE;
2034   boolean button_pressed = FALSE;
2035   int pos = choice;
2036   int i = 0;    // needed to prevent compiler warning due to bad code below
2037
2038   if (button == MB_MENU_INITIALIZE)
2039   {
2040     DrawCursorAndText_Main(choice, TRUE, FALSE);
2041
2042     return;
2043   }
2044
2045   if (mx || my)         // mouse input
2046   {
2047     pos = -1;
2048
2049     for (i = 0; main_controls[i].nr != -1; i++)
2050     {
2051       if (insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY) ||
2052           insideTextPosRect(main_controls[i].pos_text,   mx - mSX, my - mSY) ||
2053           insideTextPosRect(main_controls[i].pos_input,  mx - mSX, my - mSY))
2054       {
2055         pos = main_controls[i].nr;
2056
2057         break;
2058       }
2059     }
2060
2061     // check if level preview was clicked
2062     if (insidePreviewRect(&preview, mx - SX, my - SY))
2063       pos = MAIN_CONTROL_GAME;
2064
2065     // handle pressed/unpressed state for active/inactive menu buttons
2066     // (if pos != -1, "i" contains index position corresponding to "pos")
2067     if (button &&
2068         pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT &&
2069         insideMenuPosRect(main_controls[i].pos_button, mx - mSX, my - mSY))
2070       button_pressed = TRUE;
2071
2072     if (button_pressed != button_pressed_last)
2073     {
2074       DrawCursorAndText_Main(choice, TRUE, button_pressed);
2075
2076       if (button_pressed)
2077         PlaySound(SND_MENU_BUTTON_PRESSING);
2078       else
2079         PlaySound(SND_MENU_BUTTON_RELEASING);
2080     }
2081   }
2082   else if (dx || dy)    // keyboard input
2083   {
2084     if (dx > 0 && (choice == MAIN_CONTROL_INFO ||
2085                    choice == MAIN_CONTROL_SETUP))
2086       button = MB_MENU_CHOICE;
2087     else if (dy)
2088       pos = choice + dy;
2089   }
2090
2091   if (pos == MAIN_CONTROL_FIRST_LEVEL && !button)
2092   {
2093     HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
2094   }
2095   else if (pos == MAIN_CONTROL_LAST_LEVEL && !button)
2096   {
2097     HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
2098   }
2099   else if (pos == MAIN_CONTROL_LEVEL_NUMBER && !button)
2100   {
2101     CloseDoor(DOOR_CLOSE_2);
2102
2103     SetGameStatus(GAME_MODE_LEVELNR);
2104
2105     DrawChooseLevelNr();
2106   }
2107   else if (pos >= MAIN_CONTROL_NAME && pos <= MAIN_CONTROL_QUIT)
2108   {
2109     if (button)
2110     {
2111       if (pos != choice)
2112       {
2113         PlaySound(SND_MENU_ITEM_ACTIVATING);
2114
2115         DrawCursorAndText_Main(choice, FALSE, FALSE);
2116         DrawCursorAndText_Main(pos, TRUE, button_pressed);
2117
2118         choice = pos;
2119       }
2120       else if (dx != 0)
2121       {
2122         if (choice == MAIN_CONTROL_NAME)
2123         {
2124           // special case: cursor left or right pressed -- toggle team mode
2125           HandleMainMenu_ToggleTeamMode();
2126         }
2127         else if (choice != MAIN_CONTROL_INFO &&
2128                  choice != MAIN_CONTROL_SETUP)
2129         {
2130           HandleMainMenu_SelectLevel(1, dx, NO_DIRECT_LEVEL_SELECT);
2131         }
2132       }
2133     }
2134     else
2135     {
2136       PlaySound(SND_MENU_ITEM_SELECTING);
2137
2138       if (pos == MAIN_CONTROL_NAME)
2139       {
2140         if ((mx || my) &&
2141             insideTextPosRect(main_controls[i].pos_text, mx - mSX, my - mSY))
2142         {
2143           // special case: menu text "name/team" clicked -- toggle team mode
2144           HandleMainMenu_ToggleTeamMode();
2145         }
2146         else
2147         {
2148           if (setup.multiple_users)
2149           {
2150             CloseDoor(DOOR_CLOSE_2);
2151
2152             SetGameStatus(GAME_MODE_NAMES);
2153
2154             DrawChoosePlayerName();
2155           }
2156           else
2157           {
2158             SetGameStatus(GAME_MODE_PSEUDO_TYPENAME);
2159
2160             DrawTypeName();
2161           }
2162         }
2163       }
2164       else if (pos == MAIN_CONTROL_LEVELS)
2165       {
2166         if (leveldir_first)
2167         {
2168           CloseDoor(DOOR_CLOSE_2);
2169
2170           SetGameStatus(GAME_MODE_LEVELS);
2171
2172           SaveLevelSetup_LastSeries();
2173           SaveLevelSetup_SeriesInfo();
2174
2175           // restore level set if chosen from "last played level set" menu
2176           RestoreLastPlayedLevels(&leveldir_current);
2177
2178           if (setup.internal.choose_from_top_leveldir)
2179             gotoTopLevelDir();
2180
2181           DrawChooseLevelSet();
2182         }
2183       }
2184       else if (pos == MAIN_CONTROL_SCORES)
2185       {
2186         CloseDoor(DOOR_CLOSE_2);
2187
2188         SetGameStatus(GAME_MODE_SCORES);
2189
2190         DrawHallOfFame(level_nr);
2191       }
2192       else if (pos == MAIN_CONTROL_EDITOR)
2193       {
2194         if (leveldir_current->readonly &&
2195             setup.editor.show_read_only_warning)
2196           Request("This level is read-only!", REQ_CONFIRM | REQ_STAY_OPEN);
2197
2198         CloseDoor(DOOR_CLOSE_ALL);
2199
2200         SetGameStatus(GAME_MODE_EDITOR);
2201
2202         FadeSetEnterScreen();
2203
2204         DrawLevelEd();
2205       }
2206       else if (pos == MAIN_CONTROL_INFO)
2207       {
2208         CloseDoor(DOOR_CLOSE_2);
2209
2210         SetGameStatus(GAME_MODE_INFO);
2211
2212         info_mode = INFO_MODE_MAIN;
2213
2214         DrawInfoScreen();
2215       }
2216       else if (pos == MAIN_CONTROL_GAME)
2217       {
2218         StartGameActions(network.enabled, setup.autorecord, level.random_seed);
2219       }
2220       else if (pos == MAIN_CONTROL_SETUP)
2221       {
2222         CloseDoor(DOOR_CLOSE_2);
2223
2224         SetGameStatus(GAME_MODE_SETUP);
2225
2226         setup_mode = SETUP_MODE_MAIN;
2227
2228         DrawSetupScreen();
2229       }
2230       else if (pos == MAIN_CONTROL_QUIT)
2231       {
2232         SaveLevelSetup_LastSeries();
2233         SaveLevelSetup_SeriesInfo();
2234
2235         if (!setup.ask_on_quit_program ||
2236             Request("Do you really want to quit?", REQ_ASK | REQ_STAY_CLOSED))
2237           SetGameStatus(GAME_MODE_QUIT);
2238       }
2239     }
2240   }
2241
2242   button_pressed_last = button_pressed;
2243 }
2244
2245
2246 // ============================================================================
2247 // info screen functions
2248 // ============================================================================
2249
2250 static struct TokenInfo *info_info;
2251 static int num_info_info;       // number of info entries shown on screen
2252 static int max_info_info;       // total number of info entries in list
2253
2254 static void execInfoTitleScreen(void)
2255 {
2256   info_mode = INFO_MODE_TITLE;
2257
2258   DrawInfoScreen();
2259 }
2260
2261 static void execInfoElements(void)
2262 {
2263   info_mode = INFO_MODE_ELEMENTS;
2264
2265   DrawInfoScreen();
2266 }
2267
2268 static void execInfoMusic(void)
2269 {
2270   info_mode = INFO_MODE_MUSIC;
2271
2272   DrawInfoScreen();
2273 }
2274
2275 static void execInfoCredits(void)
2276 {
2277   info_mode = INFO_MODE_CREDITS;
2278
2279   DrawInfoScreen();
2280 }
2281
2282 static void execInfoProgram(void)
2283 {
2284   info_mode = INFO_MODE_PROGRAM;
2285
2286   DrawInfoScreen();
2287 }
2288
2289 static void execInfoVersion(void)
2290 {
2291   info_mode = INFO_MODE_VERSION;
2292
2293   DrawInfoScreen();
2294 }
2295
2296 static void execInfoLevelSet(void)
2297 {
2298   info_mode = INFO_MODE_LEVELSET;
2299
2300   DrawInfoScreen();
2301 }
2302
2303 static void execExitInfo(void)
2304 {
2305   SetGameStatus(GAME_MODE_MAIN);
2306
2307   DrawMainMenu();
2308 }
2309
2310 static struct TokenInfo info_info_main[] =
2311 {
2312   { TYPE_ENTER_SCREEN,  execInfoTitleScreen,    "Title Screen"          },
2313   { TYPE_ENTER_SCREEN,  execInfoElements,       "Elements Info"         },
2314   { TYPE_ENTER_SCREEN,  execInfoMusic,          "Music Info"            },
2315   { TYPE_ENTER_SCREEN,  execInfoCredits,        "Credits"               },
2316   { TYPE_ENTER_SCREEN,  execInfoProgram,        "Program Info"          },
2317   { TYPE_ENTER_SCREEN,  execInfoVersion,        "Version Info"          },
2318   { TYPE_ENTER_SCREEN,  execInfoLevelSet,       "Level Set Info"        },
2319   { TYPE_EMPTY,         NULL,                   ""                      },
2320   { TYPE_LEAVE_MENU,    execExitInfo,           "Exit"                  },
2321
2322   { 0,                  NULL,                   NULL                    }
2323 };
2324
2325 static int getMenuTextFont(int type)
2326 {
2327   if (type & (TYPE_SWITCH       |
2328               TYPE_YES_NO       |
2329               TYPE_YES_NO_AUTO  |
2330               TYPE_STRING       |
2331               TYPE_PLAYER       |
2332               TYPE_ECS_AGA      |
2333               TYPE_KEYTEXT      |
2334               TYPE_ENTER_LIST   |
2335               TYPE_TEXT_INPUT))
2336     return FONT_MENU_2;
2337   else
2338     return FONT_MENU_1;
2339 }
2340
2341 static struct TokenInfo *setup_info;
2342 static struct TokenInfo setup_info_input[];
2343
2344 static struct TokenInfo *menu_info;
2345
2346 static void DrawCursorAndText_Menu_Ext(struct TokenInfo *token_info,
2347                                        int screen_pos, int menu_info_pos_raw,
2348                                        boolean active)
2349 {
2350   int pos = (menu_info_pos_raw < 0 ? screen_pos : menu_info_pos_raw);
2351   struct TokenInfo *ti = &token_info[pos];
2352   int xpos = MENU_SCREEN_START_XPOS;
2353   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
2354   int font_nr = getMenuTextFont(ti->type);
2355
2356   if (setup_mode == SETUP_MODE_INPUT)
2357     font_nr = FONT_MENU_1;
2358
2359   if (active)
2360     font_nr = FONT_ACTIVE(font_nr);
2361
2362   DrawText(mSX + xpos * 32, mSY + ypos * 32, ti->text, font_nr);
2363
2364   if (ti->type & ~TYPE_SKIP_ENTRY)
2365     drawCursor(screen_pos, active);
2366 }
2367
2368 static void DrawCursorAndText_Menu(int screen_pos, int menu_info_pos_raw,
2369                                    boolean active)
2370 {
2371   DrawCursorAndText_Menu_Ext(menu_info, screen_pos, menu_info_pos_raw, active);
2372 }
2373
2374 static void DrawCursorAndText_Setup(int screen_pos, int menu_info_pos_raw,
2375                                     boolean active)
2376 {
2377   DrawCursorAndText_Menu_Ext(setup_info, screen_pos, menu_info_pos_raw, active);
2378 }
2379
2380 static char *window_size_text;
2381 static char *scaling_type_text;
2382 static char *network_server_text;
2383
2384 static void drawSetupValue(int, int);
2385
2386 static void drawMenuInfoList(int first_entry, int num_page_entries,
2387                              int max_page_entries)
2388 {
2389   int i;
2390
2391   if (first_entry + num_page_entries > max_page_entries)
2392     first_entry = 0;
2393
2394   clearMenuListArea();
2395
2396   for (i = 0; i < num_page_entries; i++)
2397   {
2398     int menu_info_pos = first_entry + i;
2399     struct TokenInfo *si = &menu_info[menu_info_pos];
2400     void *value_ptr = si->value;
2401
2402     // set some entries to "unchangeable" according to other variables
2403     if ((value_ptr == &setup.sound_simple && !audio.sound_available) ||
2404         (value_ptr == &setup.sound_loops  && !audio.loops_available) ||
2405         (value_ptr == &setup.sound_music  && !audio.music_available) ||
2406         (value_ptr == &setup.fullscreen   && !video.fullscreen_available) ||
2407         (value_ptr == &window_size_text   && !video.window_scaling_available) ||
2408         (value_ptr == &scaling_type_text  && !video.window_scaling_available))
2409       si->type |= TYPE_GHOSTED;
2410
2411     if (si->type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
2412       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
2413     else if (si->type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
2414       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
2415     else if (si->type & ~TYPE_SKIP_ENTRY)
2416       initCursor(i, IMG_MENU_BUTTON);
2417
2418     DrawCursorAndText_Menu(i, menu_info_pos, FALSE);
2419
2420     if (si->type & TYPE_STRING)
2421     {
2422       int gadget_id = -1;
2423
2424       if (value_ptr == &network_server_text)
2425         gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
2426
2427       if (gadget_id != -1)
2428       {
2429         struct GadgetInfo *gi = screen_gadget[gadget_id];
2430         int xpos = MENU_SCREEN_START_XPOS;
2431         int ypos = MENU_SCREEN_START_YPOS + i;
2432         int x = mSX + xpos * 32;
2433         int y = mSY + ypos * 32;
2434
2435         ModifyGadget(gi, GDI_X, x, GDI_Y, y, GDI_END);
2436       }
2437     }
2438
2439     if (si->type & TYPE_VALUE &&
2440         menu_info == setup_info)
2441       drawSetupValue(i, menu_info_pos);
2442   }
2443 }
2444
2445 static void DrawInfoScreen_Main(void)
2446 {
2447   int fade_mask = REDRAW_FIELD;
2448   int i;
2449
2450   if (redraw_mask & REDRAW_ALL)
2451     fade_mask = REDRAW_ALL;
2452
2453   if (CheckFadeAll())
2454     fade_mask = REDRAW_ALL;
2455
2456   UnmapAllGadgets();
2457   FadeMenuSoundsAndMusic();
2458
2459   FreeScreenGadgets();
2460   CreateScreenGadgets();
2461
2462   // (needed after displaying title screens which disable auto repeat)
2463   KeyboardAutoRepeatOn();
2464
2465   FadeSetLeaveScreen();
2466
2467   FadeOut(fade_mask);
2468
2469   // needed if different viewport properties defined for info screen
2470   ChangeViewportPropertiesIfNeeded();
2471
2472   SetMainBackgroundImage(IMG_BACKGROUND_INFO);
2473
2474   ClearField();
2475
2476   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
2477
2478   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Info Screen");
2479
2480   info_info = info_info_main;
2481
2482   // determine maximal number of info entries that can be displayed on screen
2483   num_info_info = 0;
2484   for (i = 0; info_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
2485     num_info_info++;
2486
2487   // determine maximal number of info entries available for menu of info screen
2488   max_info_info = 0;
2489   for (i = 0; info_info[i].type != 0; i++)
2490     max_info_info++;
2491
2492   HandleInfoScreen_Main(0, 0, 0, 0, MB_MENU_INITIALIZE);
2493
2494   MapScreenGadgets(max_info_info);
2495
2496   PlayMenuSoundsAndMusic();
2497
2498   DrawMaskedBorder(fade_mask);
2499
2500   FadeIn(fade_mask);
2501 }
2502
2503 static void changeSetupValue(int, int, int);
2504
2505 static void HandleMenuScreen(int mx, int my, int dx, int dy, int button,
2506                              int mode, int num_page_entries,
2507                              int max_page_entries)
2508 {
2509   static int num_page_entries_all_last[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2510   static int choice_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2511   static int first_entry_stores[NUM_SPECIAL_GFX_ARGS][MAX_MENU_MODES];
2512   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
2513   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
2514   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
2515   int *num_page_entries_last = num_page_entries_all_last[game_status];
2516   int *choice_store = choice_stores[game_status];
2517   int *first_entry_store = first_entry_stores[game_status];
2518   int choice = choice_store[mode];              // starts with 0
2519   int first_entry = first_entry_store[mode];    // starts with 0
2520   int x = 0;
2521   int y = choice - first_entry;
2522   int y_old = y;
2523   boolean position_set_by_scrollbar = (dx == 999);
2524   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
2525   int i;
2526
2527   if (button == MB_MENU_INITIALIZE)
2528   {
2529     // check if number of menu page entries has changed (may happen by change
2530     // of custom artwork definition value for 'list_size' for this menu screen)
2531     // (in this case, the last menu position most probably has to be corrected)
2532     if (num_page_entries != num_page_entries_last[mode])
2533     {
2534       choice_store[mode] = first_entry_store[mode] = 0;
2535
2536       choice = first_entry = 0;
2537       y = y_old = 0;
2538
2539       num_page_entries_last[mode] = num_page_entries;
2540     }
2541
2542     // advance to first valid menu entry
2543     while (choice < num_page_entries &&
2544            menu_info[choice].type & TYPE_SKIP_ENTRY)
2545       choice++;
2546
2547     if (position_set_by_scrollbar)
2548       first_entry = first_entry_store[mode] = dy;
2549     else
2550       AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2551                       NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2552
2553     drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2554
2555     if (choice < first_entry)
2556     {
2557       choice = first_entry;
2558
2559       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2560         choice++;
2561     }
2562     else if (choice > first_entry + num_page_entries - 1)
2563     {
2564       choice = first_entry + num_page_entries - 1;
2565
2566       if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2567         choice--;
2568     }
2569
2570     choice_store[mode] = choice;
2571
2572     DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2573
2574     return;
2575   }
2576   else if (button == MB_MENU_LEAVE)
2577   {
2578     PlaySound(SND_MENU_ITEM_SELECTING);
2579
2580     for (i = 0; i < max_page_entries; i++)
2581     {
2582       if (menu_info[i].type & TYPE_LEAVE_MENU)
2583       {
2584         void (*menu_callback_function)(void) = menu_info[i].value;
2585
2586         FadeSetLeaveMenu();
2587
2588         menu_callback_function();
2589
2590         break;  // absolutely needed because function changes 'menu_info'!
2591       }
2592     }
2593
2594     return;
2595   }
2596
2597   if (mx || my)         // mouse input
2598   {
2599     x = (mx - mSX) / 32;
2600     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
2601   }
2602   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
2603   {
2604     // move cursor instead of scrolling when already at start/end of list
2605     if (dy == -1 * SCROLL_LINE && first_entry == 0)
2606       dy = -1;
2607     else if (dy == +1 * SCROLL_LINE &&
2608              first_entry + num_page_entries == max_page_entries)
2609       dy = 1;
2610
2611     // handle scrolling screen one line or page
2612     if (y + dy < 0 ||
2613         y + dy > num_page_entries - 1)
2614     {
2615       boolean redraw = FALSE;
2616
2617       if (ABS(dy) == SCROLL_PAGE)
2618         step = num_page_entries - 1;
2619
2620       if (dy < 0 && first_entry > 0)
2621       {
2622         // scroll page/line up
2623
2624         first_entry -= step;
2625         if (first_entry < 0)
2626           first_entry = 0;
2627
2628         redraw = TRUE;
2629       }
2630       else if (dy > 0 && first_entry + num_page_entries < max_page_entries)
2631       {
2632         // scroll page/line down
2633
2634         first_entry += step;
2635         if (first_entry + num_page_entries > max_page_entries)
2636           first_entry = MAX(0, max_page_entries - num_page_entries);
2637
2638         redraw = TRUE;
2639       }
2640
2641       if (redraw)
2642       {
2643         choice += first_entry - first_entry_store[mode];
2644
2645         if (choice < first_entry)
2646         {
2647           choice = first_entry;
2648
2649           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2650             choice++;
2651         }
2652         else if (choice > first_entry + num_page_entries - 1)
2653         {
2654           choice = first_entry + num_page_entries - 1;
2655
2656           if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2657             choice--;
2658         }
2659         else if (menu_info[choice].type & TYPE_SKIP_ENTRY)
2660         {
2661           choice += SIGN(dy);
2662
2663           if (choice < first_entry ||
2664               choice > first_entry + num_page_entries - 1)
2665           first_entry += SIGN(dy);
2666         }
2667
2668         first_entry_store[mode] = first_entry;
2669         choice_store[mode] = choice;
2670
2671         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2672
2673         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2674
2675         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2676                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2677       }
2678
2679       return;
2680     }
2681
2682     if (dx)
2683     {
2684       int menu_navigation_type = (dx < 0 ? TYPE_LEAVE : TYPE_ENTER);
2685
2686       if (menu_info[choice].type & menu_navigation_type ||
2687           menu_info[choice].type & TYPE_BOOLEAN_STYLE ||
2688           menu_info[choice].type & TYPE_YES_NO_AUTO ||
2689           menu_info[choice].type & TYPE_PLAYER)
2690         button = MB_MENU_CHOICE;
2691     }
2692     else if (dy)
2693       y += dy;
2694
2695     // jump to next non-empty menu entry (up or down)
2696     while (first_entry + y > 0 &&
2697            first_entry + y < max_page_entries - 1 &&
2698            menu_info[first_entry + y].type & TYPE_SKIP_ENTRY)
2699       y += dy;
2700
2701     if (!IN_VIS_MENU(x, y))
2702     {
2703       choice += y - y_old;
2704
2705       if (choice < first_entry)
2706         first_entry = choice;
2707       else if (choice > first_entry + num_page_entries - 1)
2708         first_entry = choice - num_page_entries + 1;
2709
2710       if (first_entry >= 0 &&
2711           first_entry + num_page_entries <= max_page_entries)
2712       {
2713         first_entry_store[mode] = first_entry;
2714
2715         if (choice < first_entry)
2716           choice = first_entry;
2717         else if (choice > first_entry + num_page_entries - 1)
2718           choice = first_entry + num_page_entries - 1;
2719
2720         choice_store[mode] = choice;
2721
2722         drawMenuInfoList(first_entry, num_page_entries, max_page_entries);
2723
2724         DrawCursorAndText_Menu(choice - first_entry, choice, TRUE);
2725
2726         AdjustScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL, max_page_entries,
2727                         NUM_MENU_ENTRIES_ON_SCREEN, first_entry);
2728       }
2729
2730       return;
2731     }
2732   }
2733
2734   if (!anyScrollbarGadgetActive() &&
2735       IN_VIS_MENU(x, y) &&
2736       mx < mx_right_border &&
2737       y >= 0 && y < num_page_entries)
2738   {
2739     if (button)
2740     {
2741       if (first_entry + y != choice &&
2742           menu_info[first_entry + y].type & ~TYPE_SKIP_ENTRY)
2743       {
2744         PlaySound(SND_MENU_ITEM_ACTIVATING);
2745
2746         DrawCursorAndText_Menu(choice - first_entry, choice, FALSE);
2747         DrawCursorAndText_Menu(y, first_entry + y, TRUE);
2748
2749         choice = choice_store[mode] = first_entry + y;
2750       }
2751       else if (dx < 0)
2752       {
2753         PlaySound(SND_MENU_ITEM_SELECTING);
2754
2755         for (i = 0; menu_info[i].type != 0; i++)
2756         {
2757           if (menu_info[i].type & TYPE_LEAVE_MENU)
2758           {
2759             void (*menu_callback_function)(void) = menu_info[i].value;
2760
2761             FadeSetLeaveMenu();
2762
2763             menu_callback_function();
2764
2765             // absolutely needed because function changes 'menu_info'!
2766             break;
2767           }
2768         }
2769
2770         return;
2771       }
2772     }
2773     else if (!(menu_info[first_entry + y].type & TYPE_GHOSTED))
2774     {
2775       PlaySound(SND_MENU_ITEM_SELECTING);
2776
2777       // when selecting key headline, execute function for key value change
2778       if (menu_info[first_entry + y].type & TYPE_KEYTEXT &&
2779           menu_info[first_entry + y + 1].type & TYPE_KEY)
2780         y++;
2781
2782       // when selecting string value, execute function for list selection
2783       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2784           menu_info[first_entry + y - 1].type & TYPE_ENTER_LIST)
2785         y--;
2786
2787       // when selecting string value, execute function for text input gadget
2788       if (menu_info[first_entry + y].type & TYPE_STRING && y > 0 &&
2789           menu_info[first_entry + y - 1].type & TYPE_TEXT_INPUT)
2790         y--;
2791
2792       if (menu_info[first_entry + y].type & TYPE_ENTER_OR_LEAVE)
2793       {
2794         void (*menu_callback_function)(void) =
2795           menu_info[first_entry + y].value;
2796
2797         FadeSetFromType(menu_info[first_entry + y].type);
2798
2799         menu_callback_function();
2800       }
2801       else if (menu_info[first_entry + y].type & TYPE_TEXT_INPUT)
2802       {
2803         void (*gadget_callback_function)(void) =
2804           menu_info[first_entry + y].value;
2805
2806         gadget_callback_function();
2807       }
2808       else if (menu_info[first_entry + y].type & TYPE_VALUE &&
2809                menu_info == setup_info)
2810       {
2811         changeSetupValue(y, first_entry + y, dx);
2812       }
2813     }
2814   }
2815 }
2816
2817 void HandleInfoScreen_Main(int mx, int my, int dx, int dy, int button)
2818 {
2819   menu_info = info_info;
2820
2821   HandleMenuScreen(mx, my, dx, dy, button,
2822                    info_mode, num_info_info, max_info_info);
2823 }
2824
2825 static int getMenuFontSpacing(int spacing_height, int font_nr)
2826 {
2827   int font_spacing = getFontHeight(font_nr) + EXTRA_SPACING(game_status);
2828
2829   return (spacing_height < 0 ? ABS(spacing_height) * font_spacing :
2830           spacing_height);
2831 }
2832
2833 static int getMenuTextSpacing(int spacing_height, int font_nr)
2834 {
2835   return (getMenuFontSpacing(spacing_height, font_nr) +
2836           EXTRA_SPACING(game_status));
2837 }
2838
2839 static int getMenuTextStep(int spacing_height, int font_nr)
2840 {
2841   return getFontHeight(font_nr) + getMenuTextSpacing(spacing_height, font_nr);
2842 }
2843
2844 void DrawInfoScreen_NotAvailable(char *text_title, char *text_error)
2845 {
2846   int font_title = MENU_INFO_FONT_TITLE;
2847   int font_error = FONT_TEXT_2;
2848   int font_foot  = MENU_INFO_FONT_FOOT;
2849   int spacing_title = menu.headline1_spacing_info[info_mode];
2850   int ystep_title = getMenuTextStep(spacing_title, font_title);
2851   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2852   int ystart2 = ystart1 + ystep_title;
2853   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2854
2855   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO);
2856
2857   FadeOut(REDRAW_FIELD);
2858
2859   ClearField();
2860   DrawHeadline();
2861
2862   DrawTextSCentered(ystart1, font_title, text_title);
2863   DrawTextSCentered(ystart2, font_error, text_error);
2864
2865   DrawTextSCentered(ybottom, font_foot,
2866                     "Press any key or button for info menu");
2867
2868   FadeIn(REDRAW_FIELD);
2869 }
2870
2871 void DrawInfoScreen_HelpAnim(int start, int max_anims, boolean init)
2872 {
2873   static int infoscreen_step[MAX_INFO_ELEMENTS_ON_SCREEN];
2874   static int infoscreen_frame[MAX_INFO_ELEMENTS_ON_SCREEN];
2875   int font_title = MENU_INFO_FONT_TITLE;
2876   int font_foot  = MENU_INFO_FONT_FOOT;
2877   int xstart  = mSX + MENU_SCREEN_INFO_SPACE_LEFT;
2878   int ystart1 = mSY - SY + MENU_SCREEN_INFO_YSTART1;
2879   int ystart2 = mSY + MENU_SCREEN_INFO_YSTART2;
2880   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
2881   int ystep = MENU_SCREEN_INFO_YSTEP;
2882   int element, action, direction;
2883   int graphic;
2884   int delay;
2885   int sync_frame;
2886   int i, j;
2887
2888   if (init)
2889   {
2890     for (i = 0; i < NUM_INFO_ELEMENTS_ON_SCREEN; i++)
2891       infoscreen_step[i] = infoscreen_frame[i] = 0;
2892
2893     ClearField();
2894     DrawHeadline();
2895
2896     DrawTextSCentered(ystart1, font_title, "The Game Elements:");
2897
2898     DrawTextSCentered(ybottom, font_foot,
2899                       "Press any key or button for next page");
2900
2901     FrameCounter = 0;
2902   }
2903
2904   i = j = 0;
2905   while (helpanim_info[j].element != HELPANIM_LIST_END)
2906   {
2907     if (i >= start + NUM_INFO_ELEMENTS_ON_SCREEN ||
2908         i >= max_anims)
2909       break;
2910     else if (i < start)
2911     {
2912       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2913         j++;
2914
2915       j++;
2916       i++;
2917
2918       continue;
2919     }
2920
2921     j += infoscreen_step[i - start];
2922
2923     element = helpanim_info[j].element;
2924     action = helpanim_info[j].action;
2925     direction = helpanim_info[j].direction;
2926
2927     if (element < 0)
2928       element = EL_UNKNOWN;
2929
2930     if (action != -1 && direction != -1)
2931       graphic = el_act_dir2img(element, action, direction);
2932     else if (action != -1)
2933       graphic = el_act2img(element, action);
2934     else if (direction != -1)
2935       graphic = el_dir2img(element, direction);
2936     else
2937       graphic = el2img(element);
2938
2939     delay = helpanim_info[j++].delay;
2940
2941     if (delay == -1)
2942       delay = 1000000;
2943
2944     if (infoscreen_frame[i - start] == 0)
2945     {
2946       sync_frame = 0;
2947       infoscreen_frame[i - start] = delay - 1;
2948     }
2949     else
2950     {
2951       sync_frame = delay - infoscreen_frame[i - start];
2952       infoscreen_frame[i - start]--;
2953     }
2954
2955     if (helpanim_info[j].element == HELPANIM_LIST_NEXT)
2956     {
2957       if (!infoscreen_frame[i - start])
2958         infoscreen_step[i - start] = 0;
2959     }
2960     else
2961     {
2962       if (!infoscreen_frame[i - start])
2963         infoscreen_step[i - start]++;
2964       while (helpanim_info[j].element != HELPANIM_LIST_NEXT)
2965         j++;
2966     }
2967
2968     j++;
2969
2970     ClearRectangleOnBackground(drawto, xstart, ystart2 + (i - start) * ystep,
2971                                TILEX, TILEY);
2972     DrawFixedGraphicAnimationExt(drawto, xstart, ystart2 + (i - start) * ystep,
2973                                  graphic, sync_frame, USE_MASKING);
2974
2975     if (init)
2976       DrawInfoScreen_HelpText(element, action, direction, i - start);
2977
2978     i++;
2979   }
2980
2981   redraw_mask |= REDRAW_FIELD;
2982
2983   FrameCounter++;
2984 }
2985
2986 static char *getHelpText(int element, int action, int direction)
2987 {
2988   char token[MAX_LINE_LEN];
2989
2990   strcpy(token, element_info[element].token_name);
2991
2992   if (action != -1)
2993     strcat(token, element_action_info[action].suffix);
2994
2995   if (direction != -1)
2996     strcat(token, element_direction_info[MV_DIR_TO_BIT(direction)].suffix);
2997
2998   return getHashEntry(helptext_info, token);
2999 }
3000
3001 void DrawInfoScreen_HelpText(int element, int action, int direction, int ypos)
3002 {
3003   int font_nr = FONT_INFO_ELEMENTS;
3004   int font_width = getFontWidth(font_nr);
3005   int font_height = getFontHeight(font_nr);
3006   int yoffset = (TILEX - 2 * font_height) / 2;
3007   int xstart = mSX + MENU_SCREEN_INFO_SPACE_LEFT + TILEX + MINI_TILEX;
3008   int ystart = mSY + MENU_SCREEN_INFO_YSTART2 + yoffset;
3009   int ystep = TILEY + 4;
3010   int pad_left = xstart - SX;
3011   int pad_right = MENU_SCREEN_INFO_SPACE_RIGHT;
3012   int max_chars_per_line = (SXSIZE - pad_left - pad_right) / font_width;
3013   int max_lines_per_text = 2;    
3014   char *text = NULL;
3015
3016   if (action != -1 && direction != -1)          // element.action.direction
3017     text = getHelpText(element, action, direction);
3018
3019   if (text == NULL && action != -1)             // element.action
3020     text = getHelpText(element, action, -1);
3021
3022   if (text == NULL && direction != -1)          // element.direction
3023     text = getHelpText(element, -1, direction);
3024
3025   if (text == NULL)                             // base element
3026     text = getHelpText(element, -1, -1);
3027
3028   if (text == NULL)                             // not found
3029     text = "No description available";
3030
3031   if (strlen(text) <= max_chars_per_line)       // only one line of text
3032     ystart += getFontHeight(font_nr) / 2;
3033
3034   DrawTextBuffer(xstart, ystart + ypos * ystep, text, font_nr,
3035                  max_chars_per_line, -1, max_lines_per_text, 0, -1,
3036                  TRUE, FALSE, FALSE);
3037 }
3038
3039 static void DrawInfoScreen_TitleScreen(void)
3040 {
3041   SetGameStatus(GAME_MODE_TITLE);
3042
3043   DrawTitleScreen();
3044 }
3045
3046 void HandleInfoScreen_TitleScreen(int button)
3047 {
3048   HandleTitleScreen(0, 0, 0, 0, button);
3049 }
3050
3051 static void DrawInfoScreen_Elements(void)
3052 {
3053   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_ELEMENTS);
3054
3055   FadeOut(REDRAW_FIELD);
3056
3057   LoadHelpAnimInfo();
3058   LoadHelpTextInfo();
3059
3060   HandleInfoScreen_Elements(MB_MENU_INITIALIZE);
3061
3062   FadeIn(REDRAW_FIELD);
3063 }
3064
3065 void HandleInfoScreen_Elements(int button)
3066 {
3067   static unsigned int info_delay = 0;
3068   static int num_anims;
3069   static int num_pages;
3070   static int page;
3071   int anims_per_page = NUM_INFO_ELEMENTS_ON_SCREEN;
3072   int i;
3073
3074   if (button == MB_MENU_INITIALIZE)
3075   {
3076     boolean new_element = TRUE;
3077
3078     num_anims = 0;
3079
3080     for (i = 0; helpanim_info[i].element != HELPANIM_LIST_END; i++)
3081     {
3082       if (helpanim_info[i].element == HELPANIM_LIST_NEXT)
3083         new_element = TRUE;
3084       else if (new_element)
3085       {
3086         num_anims++;
3087         new_element = FALSE;
3088       }
3089     }
3090
3091     num_pages = (num_anims + anims_per_page - 1) / anims_per_page;
3092     page = 0;
3093   }
3094
3095   if (button == MB_MENU_LEAVE)
3096   {
3097     PlaySound(SND_MENU_ITEM_SELECTING);
3098
3099     info_mode = INFO_MODE_MAIN;
3100     DrawInfoScreen();
3101
3102     return;
3103   }
3104   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3105   {
3106     if (button != MB_MENU_INITIALIZE)
3107     {
3108       PlaySound(SND_MENU_ITEM_SELECTING);
3109
3110       page++;
3111     }
3112
3113     if (page >= num_pages)
3114     {
3115       FadeMenuSoundsAndMusic();
3116
3117       info_mode = INFO_MODE_MAIN;
3118       DrawInfoScreen();
3119
3120       return;
3121     }
3122
3123     if (page > 0)
3124       FadeSetNextScreen();
3125
3126     if (button != MB_MENU_INITIALIZE)
3127       FadeOut(REDRAW_FIELD);
3128
3129     DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, TRUE);
3130
3131     if (button != MB_MENU_INITIALIZE)
3132       FadeIn(REDRAW_FIELD);
3133   }
3134   else
3135   {
3136     if (DelayReached(&info_delay, GameFrameDelay))
3137       if (page < num_pages)
3138         DrawInfoScreen_HelpAnim(page * anims_per_page, num_anims, FALSE);
3139
3140     PlayMenuSoundIfLoop();
3141   }
3142 }
3143
3144 static void DrawInfoScreen_Music(void)
3145 {
3146   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_MUSIC);
3147
3148   FadeOut(REDRAW_FIELD);
3149
3150   ClearField();
3151   DrawHeadline();
3152
3153   LoadMusicInfo();
3154
3155   HandleInfoScreen_Music(MB_MENU_INITIALIZE);
3156
3157   FadeIn(REDRAW_FIELD);
3158 }
3159
3160 void HandleInfoScreen_Music(int button)
3161 {
3162   static struct MusicFileInfo *list = NULL;
3163   int font_title = MENU_INFO_FONT_TITLE;
3164   int font_head  = MENU_INFO_FONT_HEAD;
3165   int font_text  = MENU_INFO_FONT_TEXT;
3166   int font_foot  = MENU_INFO_FONT_FOOT;
3167   int spacing_title = menu.headline1_spacing_info[info_mode];
3168   int spacing_head  = menu.headline2_spacing_info[info_mode];
3169   int ystep_title = getMenuTextStep(spacing_title, font_title);
3170   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3171   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3172   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3173
3174   if (button == MB_MENU_INITIALIZE)
3175   {
3176     list = music_file_info;
3177
3178     if (list == NULL)
3179     {
3180       FadeMenuSoundsAndMusic();
3181
3182       ClearField();
3183       DrawHeadline();
3184
3185       DrawTextSCentered(ystart, font_title,
3186                         "No music info for this level set.");
3187
3188       DrawTextSCentered(ybottom, font_foot,
3189                         "Press any key or button for info menu");
3190
3191       return;
3192     }
3193   }
3194
3195   if (button == MB_MENU_LEAVE)
3196   {
3197     PlaySound(SND_MENU_ITEM_SELECTING);
3198
3199     FadeMenuSoundsAndMusic();
3200
3201     info_mode = INFO_MODE_MAIN;
3202     DrawInfoScreen();
3203
3204     return;
3205   }
3206   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3207   {
3208     if (button != MB_MENU_INITIALIZE)
3209     {
3210       PlaySound(SND_MENU_ITEM_SELECTING);
3211
3212       if (list != NULL)
3213         list = list->next;
3214     }
3215
3216     if (list == NULL)
3217     {
3218       FadeMenuSoundsAndMusic();
3219
3220       info_mode = INFO_MODE_MAIN;
3221       DrawInfoScreen();
3222
3223       return;
3224     }
3225
3226     FadeMenuSoundsAndMusic();
3227
3228     if (list != music_file_info)
3229       FadeSetNextScreen();
3230
3231     if (button != MB_MENU_INITIALIZE)
3232       FadeOut(REDRAW_FIELD);
3233
3234     ClearField();
3235     DrawHeadline();
3236
3237     if (list->is_sound)
3238     {
3239       int sound = list->music;
3240
3241       if (sound_info[sound].loop)
3242         PlaySoundLoop(sound);
3243       else
3244         PlaySound(sound);
3245
3246       DrawTextSCentered(ystart, font_title, "The Game Background Sounds:");
3247     }
3248     else
3249     {
3250       int music = list->music;
3251
3252       if (music_info[music].loop)
3253         PlayMusicLoop(music);
3254       else
3255         PlayMusic(music);
3256
3257       DrawTextSCentered(ystart, font_title, "The Game Background Music:");
3258     }
3259
3260     ystart += ystep_title;
3261
3262     if (!strEqual(list->title, UNKNOWN_NAME))
3263     {
3264       if (!strEqual(list->title_header, UNKNOWN_NAME))
3265       {
3266         DrawTextSCentered(ystart, font_head, list->title_header);
3267         ystart += ystep_head;
3268       }
3269
3270       DrawTextFCentered(ystart, font_text, "\"%s\"", list->title);
3271       ystart += ystep_head;
3272     }
3273
3274     if (!strEqual(list->artist, UNKNOWN_NAME))
3275     {
3276       if (!strEqual(list->artist_header, UNKNOWN_NAME))
3277         DrawTextSCentered(ystart, font_head, list->artist_header);
3278       else
3279         DrawTextSCentered(ystart, font_head, "by");
3280
3281       ystart += ystep_head;
3282
3283       DrawTextFCentered(ystart, font_text, "%s", list->artist);
3284       ystart += ystep_head;
3285     }
3286
3287     if (!strEqual(list->album, UNKNOWN_NAME))
3288     {
3289       if (!strEqual(list->album_header, UNKNOWN_NAME))
3290         DrawTextSCentered(ystart, font_head, list->album_header);
3291       else
3292         DrawTextSCentered(ystart, font_head, "from the album");
3293
3294       ystart += ystep_head;
3295
3296       DrawTextFCentered(ystart, font_text, "\"%s\"", list->album);
3297       ystart += ystep_head;
3298     }
3299
3300     if (!strEqual(list->year, UNKNOWN_NAME))
3301     {
3302       if (!strEqual(list->year_header, UNKNOWN_NAME))
3303         DrawTextSCentered(ystart, font_head, list->year_header);
3304       else
3305         DrawTextSCentered(ystart, font_head, "from the year");
3306
3307       ystart += ystep_head;
3308
3309       DrawTextFCentered(ystart, font_text, "%s", list->year);
3310       ystart += ystep_head;
3311     }
3312
3313     DrawTextSCentered(ybottom, FONT_TEXT_4,
3314                       "Press any key or button for next page");
3315
3316     if (button != MB_MENU_INITIALIZE)
3317       FadeIn(REDRAW_FIELD);
3318   }
3319
3320   if (list != NULL && list->is_sound && sound_info[list->music].loop)
3321     PlaySoundLoop(list->music);
3322 }
3323
3324 static void DrawInfoScreen_CreditsScreen(int screen_nr)
3325 {
3326   int font_title = MENU_INFO_FONT_TITLE;
3327   int font_head  = MENU_INFO_FONT_HEAD;
3328   int font_text  = MENU_INFO_FONT_TEXT;
3329   int font_foot  = MENU_INFO_FONT_FOOT;
3330   int spacing_title = menu.headline1_spacing_info[info_mode];
3331   int spacing_head  = menu.headline2_spacing_info[info_mode];
3332   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3333   int spacing_line  = menu.line_spacing_info[info_mode];
3334   int ystep_title = getMenuTextStep(spacing_title, font_title);
3335   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3336   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3337   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3338   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3339   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3340
3341   ClearField();
3342   DrawHeadline();
3343
3344   DrawTextSCentered(ystart, font_title, "Credits:");
3345   ystart += ystep_title;
3346
3347   if (screen_nr == 0)
3348   {
3349     DrawTextSCentered(ystart, font_head,
3350                       "Special thanks to");
3351     ystart += ystep_head;
3352     DrawTextSCentered(ystart, font_text,
3353                       "Peter Liepa");
3354     ystart += ystep_head;
3355     DrawTextSCentered(ystart, font_head,
3356                       "for creating");
3357     ystart += ystep_head;
3358     DrawTextSCentered(ystart, font_text,
3359                       "\"Boulder Dash\"");
3360     ystart += ystep_head;
3361     DrawTextSCentered(ystart, font_head,
3362                       "in the year");
3363     ystart += ystep_head;
3364     DrawTextSCentered(ystart, font_text,
3365                       "1984");
3366     ystart += ystep_head;
3367     DrawTextSCentered(ystart, font_head,
3368                       "published by");
3369     ystart += ystep_head;
3370     DrawTextSCentered(ystart, font_text,
3371                       "First Star Software");
3372   }
3373   else if (screen_nr == 1)
3374   {
3375     DrawTextSCentered(ystart, font_head,
3376                       "Special thanks to");
3377     ystart += ystep_head;
3378     DrawTextSCentered(ystart, font_text,
3379                       "Klaus Heinz & Volker Wertich");
3380     ystart += ystep_head;
3381     DrawTextSCentered(ystart, font_head,
3382                       "for creating");
3383     ystart += ystep_head;
3384     DrawTextSCentered(ystart, font_text,
3385                       "\"Emerald Mine\"");
3386     ystart += ystep_head;
3387     DrawTextSCentered(ystart, font_head,
3388                       "in the year");
3389     ystart += ystep_head;
3390     DrawTextSCentered(ystart, font_text,
3391                       "1987");
3392     ystart += ystep_head;
3393     DrawTextSCentered(ystart, font_head,
3394                       "published by");
3395     ystart += ystep_head;
3396     DrawTextSCentered(ystart, font_text,
3397                       "Kingsoft");
3398   }
3399   else if (screen_nr == 2)
3400   {
3401     DrawTextSCentered(ystart, font_head,
3402                       "Special thanks to");
3403     ystart += ystep_head;
3404     DrawTextSCentered(ystart, font_text,
3405                       "Michael Stopp & Philip Jespersen");
3406     ystart += ystep_head;
3407     DrawTextSCentered(ystart, font_head,
3408                       "for creating");
3409     ystart += ystep_head;
3410     DrawTextSCentered(ystart, font_text,
3411                       "\"Supaplex\"");
3412     ystart += ystep_head;
3413     DrawTextSCentered(ystart, font_head,
3414                       "in the year");
3415     ystart += ystep_head;
3416     DrawTextSCentered(ystart, font_text,
3417                       "1991");
3418     ystart += ystep_head;
3419     DrawTextSCentered(ystart, font_head,
3420                       "published by");
3421     ystart += ystep_head;
3422     DrawTextSCentered(ystart, font_text,
3423                       "Digital Integration");
3424   }
3425   else if (screen_nr == 3)
3426   {
3427     DrawTextSCentered(ystart, font_head,
3428                       "Special thanks to");
3429     ystart += ystep_head;
3430     DrawTextSCentered(ystart, font_text,
3431                       "Hiroyuki Imabayashi");
3432     ystart += ystep_head;
3433     DrawTextSCentered(ystart, font_head,
3434                       "for creating");
3435     ystart += ystep_head;
3436     DrawTextSCentered(ystart, font_text,
3437                       "\"Sokoban\"");
3438     ystart += ystep_head;
3439     DrawTextSCentered(ystart, font_head,
3440                       "in the year");
3441     ystart += ystep_head;
3442     DrawTextSCentered(ystart, font_text,
3443                       "1982");
3444     ystart += ystep_head;
3445     DrawTextSCentered(ystart, font_head,
3446                       "published by");
3447     ystart += ystep_head;
3448     DrawTextSCentered(ystart, font_text,
3449                       "Thinking Rabbit");
3450   }
3451   else if (screen_nr == 4)
3452   {
3453     DrawTextSCentered(ystart, font_head,
3454                       "Special thanks to");
3455     ystart += ystep_head;
3456     DrawTextSCentered(ystart, font_text,
3457                       "Alan Bond");
3458     ystart += ystep_head;
3459     DrawTextSCentered(ystart, font_head,
3460                       "and");
3461     ystart += ystep_head;
3462     DrawTextSCentered(ystart, font_text,
3463                       "J\xfcrgen Bonhagen");
3464     ystart += ystep_head;
3465     DrawTextSCentered(ystart, font_head,
3466                       "for the continuous creation");
3467     ystart += ystep_line;
3468     DrawTextSCentered(ystart, font_head,
3469                       "of outstanding level sets");
3470   }
3471   else if (screen_nr == 5)
3472   {
3473     DrawTextSCentered(ystart, font_head,
3474                       "Thanks to");
3475     ystart += ystep_head;
3476     DrawTextSCentered(ystart, font_text,
3477                       "Peter Elzner");
3478     ystart += ystep_head;
3479     DrawTextSCentered(ystart, font_head,
3480                       "for ideas and inspiration by");
3481     ystart += ystep_head;
3482     DrawTextSCentered(ystart, font_text,
3483                       "Diamond Caves");
3484     ystart += ystep_para;
3485
3486     DrawTextSCentered(ystart, font_head,
3487                       "Thanks to");
3488     ystart += ystep_head;
3489     DrawTextSCentered(ystart, font_text,
3490                       "Steffest");
3491     ystart += ystep_head;
3492     DrawTextSCentered(ystart, font_head,
3493                       "for ideas and inspiration by");
3494     ystart += ystep_head;
3495     DrawTextSCentered(ystart, font_text,
3496                       "DX-Boulderdash");
3497   }
3498   else if (screen_nr == 6)
3499   {
3500     DrawTextSCentered(ystart, font_head,
3501                       "Thanks to");
3502     ystart += ystep_head;
3503     DrawTextSCentered(ystart, font_text,
3504                       "David Tritscher");
3505     ystart += ystep_head;
3506     DrawTextSCentered(ystart, font_head,
3507                       "for the code base used for the");
3508     ystart += ystep_line;
3509     DrawTextSCentered(ystart, font_head,
3510                       "native Emerald Mine engine");
3511   }
3512   else if (screen_nr == 7)
3513   {
3514     DrawTextSCentered(ystart, font_head,
3515                       "Thanks to");
3516     ystart += ystep_head;
3517     DrawTextSCentered(ystart, font_text,
3518                       "Guido Schulz");
3519     ystart += ystep_head;
3520     DrawTextSCentered(ystart, font_head,
3521                       "for the initial DOS port");
3522     ystart += ystep_para;
3523
3524     DrawTextSCentered(ystart, font_head,
3525                       "Thanks to");
3526     ystart += ystep_head;
3527     DrawTextSCentered(ystart, font_text,
3528                       "Karl H\xf6rnell");
3529     ystart += ystep_head;
3530     DrawTextSCentered(ystart, font_head,
3531                       "for some additional toons");
3532   }
3533   else if (screen_nr == 8)
3534   {
3535     DrawTextSCentered(ystart, font_head,
3536                       "And not to forget:");
3537     ystart += ystep_head;
3538     DrawTextSCentered(ystart, font_head,
3539                       "Many thanks to");
3540     ystart += ystep_head;
3541     DrawTextSCentered(ystart, font_text,
3542                       "All those who contributed");
3543     ystart += ystep_line;
3544     DrawTextSCentered(ystart, font_text,
3545                       "levels to this game");
3546     ystart += ystep_line;
3547     DrawTextSCentered(ystart, font_text,
3548                       "since 1995");
3549   }
3550
3551   DrawTextSCentered(ybottom, font_foot,
3552                     "Press any key or button for next page");
3553 }
3554
3555 static void DrawInfoScreen_Credits(void)
3556 {
3557   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_CREDITS);
3558
3559   FadeMenuSoundsAndMusic();
3560
3561   FadeOut(REDRAW_FIELD);
3562
3563   HandleInfoScreen_Credits(MB_MENU_INITIALIZE);
3564
3565   FadeIn(REDRAW_FIELD);
3566 }
3567
3568 void HandleInfoScreen_Credits(int button)
3569 {
3570   static int screen_nr = 0;
3571   int num_screens = 9;
3572
3573   if (button == MB_MENU_INITIALIZE)
3574   {
3575     screen_nr = 0;
3576
3577     // DrawInfoScreen_CreditsScreen(screen_nr);
3578   }
3579
3580   if (button == MB_MENU_LEAVE)
3581   {
3582     PlaySound(SND_MENU_ITEM_SELECTING);
3583
3584     info_mode = INFO_MODE_MAIN;
3585     DrawInfoScreen();
3586
3587     return;
3588   }
3589   else if (button == MB_MENU_CHOICE || button == MB_MENU_INITIALIZE)
3590   {
3591     if (button != MB_MENU_INITIALIZE)
3592     {
3593       PlaySound(SND_MENU_ITEM_SELECTING);
3594
3595       screen_nr++;
3596     }
3597
3598     if (screen_nr >= num_screens)
3599     {
3600       FadeMenuSoundsAndMusic();
3601
3602       info_mode = INFO_MODE_MAIN;
3603       DrawInfoScreen();
3604
3605       return;
3606     }
3607
3608     if (screen_nr > 0)
3609       FadeSetNextScreen();
3610
3611     if (button != MB_MENU_INITIALIZE)
3612       FadeOut(REDRAW_FIELD);
3613
3614     DrawInfoScreen_CreditsScreen(screen_nr);
3615
3616     if (button != MB_MENU_INITIALIZE)
3617       FadeIn(REDRAW_FIELD);
3618   }
3619   else
3620   {
3621     PlayMenuSoundIfLoop();
3622   }
3623 }
3624
3625 static void DrawInfoScreen_Program(void)
3626 {
3627   int font_title = MENU_INFO_FONT_TITLE;
3628   int font_head  = MENU_INFO_FONT_HEAD;
3629   int font_text  = MENU_INFO_FONT_TEXT;
3630   int font_foot  = MENU_INFO_FONT_FOOT;
3631   int spacing_title = menu.headline1_spacing_info[info_mode];
3632   int spacing_head  = menu.headline2_spacing_info[info_mode];
3633   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3634   int spacing_line  = menu.line_spacing_info[info_mode];
3635   int ystep_title = getMenuTextStep(spacing_title, font_title);
3636   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3637   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3638   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3639   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3640   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3641
3642   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_PROGRAM);
3643
3644   FadeOut(REDRAW_FIELD);
3645
3646   ClearField();
3647   DrawHeadline();
3648
3649   DrawTextSCentered(ystart, font_title, "Program Information:");
3650   ystart += ystep_title;
3651
3652   DrawTextSCentered(ystart, font_head,
3653                     "This game is Freeware!");
3654   ystart += ystep_head;
3655   DrawTextSCentered(ystart, font_head,
3656                     "If you like it, send e-mail to:");
3657   ystart += ystep_head;
3658   DrawTextSCentered(ystart, font_text,
3659                     setup.internal.program_email);
3660   ystart += ystep_para;
3661
3662   DrawTextSCentered(ystart, font_head,
3663                     "More information and levels:");
3664   ystart += ystep_head;
3665   DrawTextSCentered(ystart, font_text,
3666                     setup.internal.program_website);
3667   ystart += ystep_para;
3668
3669   DrawTextSCentered(ystart, font_head,
3670                     "If you have created new levels,");
3671   ystart += ystep_line;
3672   DrawTextSCentered(ystart, font_head,
3673                     "send them to me to include them!");
3674   ystart += ystep_head;
3675   DrawTextSCentered(ystart, font_head,
3676                     ":-)");
3677
3678   DrawTextSCentered(ybottom, font_foot,
3679                     "Press any key or button for info menu");
3680
3681   FadeIn(REDRAW_FIELD);
3682 }
3683
3684 void HandleInfoScreen_Program(int button)
3685 {
3686   if (button == MB_MENU_LEAVE)
3687   {
3688     PlaySound(SND_MENU_ITEM_SELECTING);
3689
3690     info_mode = INFO_MODE_MAIN;
3691     DrawInfoScreen();
3692
3693     return;
3694   }
3695   else if (button == MB_MENU_CHOICE)
3696   {
3697     PlaySound(SND_MENU_ITEM_SELECTING);
3698
3699     FadeMenuSoundsAndMusic();
3700
3701     info_mode = INFO_MODE_MAIN;
3702     DrawInfoScreen();
3703   }
3704   else
3705   {
3706     PlayMenuSoundIfLoop();
3707   }
3708 }
3709
3710 static void DrawInfoScreen_Version(void)
3711 {
3712   int font_title = MENU_INFO_FONT_TITLE;
3713   int font_head  = MENU_INFO_FONT_HEAD;
3714   int font_text  = MENU_INFO_FONT_TEXT;
3715   int font_foot  = MENU_INFO_FONT_FOOT;
3716   int spacing_title = menu.headline1_spacing_info[info_mode];
3717   int spacing_head  = menu.headline2_spacing_info[info_mode];
3718   int spacing_para  = menu.paragraph_spacing_info[info_mode];
3719   int spacing_line  = menu.line_spacing_info[info_mode];
3720   int xstep = getFontWidth(font_text);
3721   int ystep_title = getMenuTextStep(spacing_title, font_title);
3722   int ystep_head  = getMenuTextStep(spacing_head,  font_head);
3723   int ystep_para  = getMenuTextStep(spacing_para,  font_text);
3724   int ystep_line  = getMenuTextStep(spacing_line,  font_text);
3725   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3726   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3727   int xstart1 = mSX - SX + 2 * xstep;
3728   int xstart2 = mSX - SX + 18 * xstep;
3729   int xstart3 = mSX - SX + 28 * xstep;
3730   SDL_version sdl_version_compiled;
3731   const SDL_version *sdl_version_linked;
3732   int driver_name_len = 10;
3733   SDL_version sdl_version_linked_ext;
3734   const char *driver_name = NULL;
3735
3736   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_VERSION);
3737
3738   FadeOut(REDRAW_FIELD);
3739
3740   ClearField();
3741   DrawHeadline();
3742
3743   DrawTextSCentered(ystart, font_title, "Version Information:");
3744   ystart += ystep_title;
3745
3746   DrawTextF(xstart1, ystart, font_head, "Name");
3747   DrawTextF(xstart2, ystart, font_text, getProgramTitleString());
3748   ystart += ystep_line;
3749
3750   if (!strEqual(getProgramVersionString(), getProgramRealVersionString()))
3751   {
3752     DrawTextF(xstart1, ystart, font_head, "Version (fake)");
3753     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3754     ystart += ystep_line;
3755
3756     DrawTextF(xstart1, ystart, font_head, "Version (real)");
3757     DrawTextF(xstart2, ystart, font_text, getProgramRealVersionString());
3758     ystart += ystep_line;
3759   }
3760   else
3761   {
3762     DrawTextF(xstart1, ystart, font_head, "Version");
3763     DrawTextF(xstart2, ystart, font_text, getProgramVersionString());
3764     ystart += ystep_line;
3765   }
3766
3767   DrawTextF(xstart1, ystart, font_head, "Platform");
3768   DrawTextF(xstart2, ystart, font_text, "%s (%s)",
3769             PLATFORM_STRING,
3770             PLATFORM_XX_BIT_STRING);
3771   ystart += ystep_line;
3772
3773   DrawTextF(xstart1, ystart, font_head, "Target");
3774   DrawTextF(xstart2, ystart, font_text, TARGET_STRING);
3775   ystart += ystep_line;
3776
3777   DrawTextF(xstart1, ystart, font_head, "Source date");
3778   DrawTextF(xstart2, ystart, font_text, getSourceDateString());
3779   ystart += ystep_line;
3780
3781   DrawTextF(xstart1, ystart, font_head, "Commit hash");
3782   DrawTextF(xstart2, ystart, font_text, getSourceHashString());
3783   ystart += ystep_para;
3784
3785   DrawTextF(xstart1, ystart, font_head, "Library");
3786   DrawTextF(xstart2, ystart, font_head, "compiled");
3787   DrawTextF(xstart3, ystart, font_head, "linked");
3788   ystart += ystep_head;
3789
3790   SDL_VERSION(&sdl_version_compiled);
3791   SDL_GetVersion(&sdl_version_linked_ext);
3792   sdl_version_linked = &sdl_version_linked_ext;
3793
3794   DrawTextF(xstart1, ystart, font_text, "SDL");
3795   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3796             sdl_version_compiled.major,
3797             sdl_version_compiled.minor,
3798             sdl_version_compiled.patch);
3799   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3800             sdl_version_linked->major,
3801             sdl_version_linked->minor,
3802             sdl_version_linked->patch);
3803   ystart += ystep_line;
3804
3805   SDL_IMAGE_VERSION(&sdl_version_compiled);
3806   sdl_version_linked = IMG_Linked_Version();
3807
3808   DrawTextF(xstart1, ystart, font_text, "SDL_image");
3809   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3810             sdl_version_compiled.major,
3811             sdl_version_compiled.minor,
3812             sdl_version_compiled.patch);
3813   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3814             sdl_version_linked->major,
3815             sdl_version_linked->minor,
3816             sdl_version_linked->patch);
3817   ystart += ystep_line;
3818
3819   SDL_MIXER_VERSION(&sdl_version_compiled);
3820   sdl_version_linked = Mix_Linked_Version();
3821
3822   DrawTextF(xstart1, ystart, font_text, "SDL_mixer");
3823   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3824             sdl_version_compiled.major,
3825             sdl_version_compiled.minor,
3826             sdl_version_compiled.patch);
3827   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3828             sdl_version_linked->major,
3829             sdl_version_linked->minor,
3830             sdl_version_linked->patch);
3831   ystart += ystep_line;
3832
3833   SDL_NET_VERSION(&sdl_version_compiled);
3834   sdl_version_linked = SDLNet_Linked_Version();
3835
3836   DrawTextF(xstart1, ystart, font_text, "SDL_net");
3837   DrawTextF(xstart2, ystart, font_text, "%d.%d.%d",
3838             sdl_version_compiled.major,
3839             sdl_version_compiled.minor,
3840             sdl_version_compiled.patch);
3841   DrawTextF(xstart3, ystart, font_text, "%d.%d.%d",
3842             sdl_version_linked->major,
3843             sdl_version_linked->minor,
3844             sdl_version_linked->patch);
3845   ystart += ystep_para;
3846
3847   DrawTextF(xstart1, ystart, font_head, "Driver");
3848   DrawTextF(xstart2, ystart, font_head, "Requested");
3849   DrawTextF(xstart3, ystart, font_head, "Used");
3850   ystart += ystep_head;
3851
3852   driver_name =
3853     getStringCopyNStatic(SDLGetRendererName(), driver_name_len);
3854
3855   DrawTextF(xstart1, ystart, font_text, "Render Driver");
3856   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_renderdriver);
3857   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3858   ystart += ystep_line;
3859
3860   driver_name =
3861     getStringCopyNStatic(SDL_GetCurrentVideoDriver(), driver_name_len);
3862
3863   DrawTextF(xstart1, ystart, font_text, "Video Driver");
3864   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_videodriver);
3865   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3866   ystart += ystep_line;
3867
3868   driver_name =
3869     getStringCopyNStatic(SDL_GetCurrentAudioDriver(), driver_name_len);
3870
3871   DrawTextF(xstart1, ystart, font_text, "Audio Driver");
3872   DrawTextF(xstart2, ystart, font_text, "%s", setup.system.sdl_audiodriver);
3873   DrawTextF(xstart3, ystart, font_text, "%s", driver_name);
3874
3875   DrawTextSCentered(ybottom, font_foot,
3876                     "Press any key or button for info menu");
3877
3878   FadeIn(REDRAW_FIELD);
3879 }
3880
3881 void HandleInfoScreen_Version(int button)
3882 {
3883   if (button == MB_MENU_LEAVE)
3884   {
3885     PlaySound(SND_MENU_ITEM_SELECTING);
3886
3887     info_mode = INFO_MODE_MAIN;
3888     DrawInfoScreen();
3889
3890     return;
3891   }
3892   else if (button == MB_MENU_CHOICE)
3893   {
3894     PlaySound(SND_MENU_ITEM_SELECTING);
3895
3896     FadeMenuSoundsAndMusic();
3897
3898     info_mode = INFO_MODE_MAIN;
3899     DrawInfoScreen();
3900   }
3901   else
3902   {
3903     PlayMenuSoundIfLoop();
3904   }
3905 }
3906
3907 static void DrawInfoScreen_LevelSet(void)
3908 {
3909   struct TitleMessageInfo *tmi = &readme;
3910   char *filename = getLevelSetInfoFilename();
3911   char *title = "Level Set Information:";
3912   int ystart  = mSY - SY + MENU_SCREEN_INFO_YSTART1;
3913   int ybottom = mSY - SY + MENU_SCREEN_INFO_YBOTTOM;
3914
3915   if (filename == NULL)
3916   {
3917     DrawInfoScreen_NotAvailable(title, "No information for this level set.");
3918
3919     return;
3920   }
3921
3922   SetMainBackgroundImageIfDefined(IMG_BACKGROUND_INFO_LEVELSET);
3923
3924   FadeOut(REDRAW_FIELD);
3925
3926   ClearField();
3927   DrawHeadline();
3928
3929   DrawTextSCentered(ystart, FONT_TEXT_1, title);
3930
3931   // if x position set to "-1", automatically determine by playfield width
3932   if (tmi->x == -1)
3933     tmi->x = SXSIZE / 2;
3934
3935   // if y position set to "-1", use static default value
3936   if (tmi->y == -1)
3937     tmi->y = 150;
3938
3939   // if width set to "-1", automatically determine by playfield width
3940   if (tmi->width == -1)
3941     tmi->width = SXSIZE - 2 * TILEX;
3942
3943   // if height set to "-1", automatically determine by playfield height
3944   if (tmi->height == -1)
3945     tmi->height = MENU_SCREEN_INFO_YBOTTOM - tmi->y - 10;
3946
3947   // if chars set to "-1", automatically determine by text and font width
3948   if (tmi->chars == -1)
3949     tmi->chars = tmi->width / getFontWidth(tmi->font);
3950   else
3951     tmi->width = tmi->chars * getFontWidth(tmi->font);
3952
3953   // if lines set to "-1", automatically determine by text and font height
3954   if (tmi->lines == -1)
3955     tmi->lines = tmi->height / getFontHeight(tmi->font);
3956   else
3957     tmi->height = tmi->lines * getFontHeight(tmi->font);
3958
3959   DrawTextFile(mSX + ALIGNED_TEXT_XPOS(tmi), mSY + ALIGNED_TEXT_YPOS(tmi),
3960                filename, tmi->font, tmi->chars, -1, tmi->lines, 0, -1,
3961                tmi->autowrap, tmi->centered, tmi->parse_comments);
3962
3963   DrawTextSCentered(ybottom, FONT_TEXT_4,
3964                     "Press any key or button for info menu");
3965
3966   FadeIn(REDRAW_FIELD);
3967 }
3968
3969 static void HandleInfoScreen_LevelSet(int button)
3970 {
3971   if (button == MB_MENU_LEAVE)
3972   {
3973     PlaySound(SND_MENU_ITEM_SELECTING);
3974
3975     info_mode = INFO_MODE_MAIN;
3976     DrawInfoScreen();
3977
3978     return;
3979   }
3980   else if (button == MB_MENU_CHOICE)
3981   {
3982     PlaySound(SND_MENU_ITEM_SELECTING);
3983
3984     FadeMenuSoundsAndMusic();
3985
3986     info_mode = INFO_MODE_MAIN;
3987     DrawInfoScreen();
3988   }
3989   else
3990   {
3991     PlayMenuSoundIfLoop();
3992   }
3993 }
3994
3995 static void DrawInfoScreen(void)
3996 {
3997   if (info_mode == INFO_MODE_TITLE)
3998     DrawInfoScreen_TitleScreen();
3999   else if (info_mode == INFO_MODE_ELEMENTS)
4000     DrawInfoScreen_Elements();
4001   else if (info_mode == INFO_MODE_MUSIC)
4002     DrawInfoScreen_Music();
4003   else if (info_mode == INFO_MODE_CREDITS)
4004     DrawInfoScreen_Credits();
4005   else if (info_mode == INFO_MODE_PROGRAM)
4006     DrawInfoScreen_Program();
4007   else if (info_mode == INFO_MODE_VERSION)
4008     DrawInfoScreen_Version();
4009   else if (info_mode == INFO_MODE_LEVELSET)
4010     DrawInfoScreen_LevelSet();
4011   else
4012     DrawInfoScreen_Main();
4013
4014   if (info_mode != INFO_MODE_MAIN &&
4015       info_mode != INFO_MODE_TITLE &&
4016       info_mode != INFO_MODE_MUSIC)
4017     PlayMenuSoundsAndMusic();
4018 }
4019
4020 void HandleInfoScreen(int mx, int my, int dx, int dy, int button)
4021 {
4022   if (info_mode == INFO_MODE_TITLE)
4023     HandleInfoScreen_TitleScreen(button);
4024   else if (info_mode == INFO_MODE_ELEMENTS)
4025     HandleInfoScreen_Elements(button);
4026   else if (info_mode == INFO_MODE_MUSIC)
4027     HandleInfoScreen_Music(button);
4028   else if (info_mode == INFO_MODE_CREDITS)
4029     HandleInfoScreen_Credits(button);
4030   else if (info_mode == INFO_MODE_PROGRAM)
4031     HandleInfoScreen_Program(button);
4032   else if (info_mode == INFO_MODE_VERSION)
4033     HandleInfoScreen_Version(button);
4034   else if (info_mode == INFO_MODE_LEVELSET)
4035     HandleInfoScreen_LevelSet(button);
4036   else
4037     HandleInfoScreen_Main(mx, my, dx, dy, button);
4038 }
4039
4040
4041 // ============================================================================
4042 // change name functions
4043 // ============================================================================
4044
4045 struct ApiRenamePlayerThreadData
4046 {
4047   char *player_name;
4048   char *player_uuid;
4049 };
4050
4051 static void *CreateThreadData_ApiRenamePlayer(void)
4052 {
4053   struct ApiRenamePlayerThreadData *data =
4054     checked_malloc(sizeof(struct ApiRenamePlayerThreadData));
4055
4056   data->player_name = getStringCopy(setup.player_name);
4057   data->player_uuid = getStringCopy(setup.player_uuid);
4058
4059   return data;
4060 }
4061
4062 static void FreeThreadData_ApiRenamePlayer(void *data_raw)
4063 {
4064   struct ApiRenamePlayerThreadData *data = data_raw;
4065
4066   checked_free(data->player_name);
4067   checked_free(data->player_uuid);
4068   checked_free(data);
4069 }
4070
4071 static boolean SetRequest_ApiRenamePlayer(struct HttpRequest *request,
4072                                           void *data_raw)
4073 {
4074   struct ApiRenamePlayerThreadData *data = data_raw;
4075   char *player_name_raw = data->player_name;
4076   char *player_uuid_raw = data->player_uuid;
4077
4078   request->hostname = setup.api_server_hostname;
4079   request->port     = API_SERVER_PORT;
4080   request->method   = API_SERVER_METHOD;
4081   request->uri      = API_SERVER_URI_RENAME;
4082
4083   char *player_name = getEscapedJSON(player_name_raw);
4084   char *player_uuid = getEscapedJSON(player_uuid_raw);
4085
4086   snprintf(request->body, MAX_HTTP_BODY_SIZE,
4087            "{\n"
4088            "%s"
4089            "  \"game_version\":         \"%s\",\n"
4090            "  \"game_platform\":        \"%s\",\n"
4091            "  \"name\":                 \"%s\",\n"
4092            "  \"uuid\":                 \"%s\"\n"
4093            "}\n",
4094            getPasswordJSON(setup.api_server_password),
4095            getProgramRealVersionString(),
4096            getProgramPlatformString(),
4097            player_name,
4098            player_uuid);
4099
4100   checked_free(player_name);
4101   checked_free(player_uuid);
4102
4103   ConvertHttpRequestBodyToServerEncoding(request);
4104
4105   return TRUE;
4106 }
4107
4108 static void HandleResponse_ApiRenamePlayer(struct HttpResponse *response,
4109                                            void *data_raw)
4110 {
4111   // nothing to do here
4112 }
4113
4114 #if defined(PLATFORM_EMSCRIPTEN)
4115 static void Emscripten_ApiRenamePlayer_Loaded(unsigned handle, void *data_raw,
4116                                               void *buffer, unsigned int size)
4117 {
4118   struct HttpResponse *response = GetHttpResponseFromBuffer(buffer, size);
4119
4120   if (response != NULL)
4121   {
4122     HandleResponse_ApiRenamePlayer(response, data_raw);
4123
4124     checked_free(response);
4125   }
4126   else
4127   {
4128     Error("server response too large to handle (%d bytes)", size);
4129   }
4130
4131   FreeThreadData_ApiRenamePlayer(data_raw);
4132 }
4133
4134 static void Emscripten_ApiRenamePlayer_Failed(unsigned handle, void *data_raw,
4135                                               int code, const char *status)
4136 {
4137   Error("server failed to handle request: %d %s", code, status);
4138
4139   FreeThreadData_ApiRenamePlayer(data_raw);
4140 }
4141
4142 static void Emscripten_ApiRenamePlayer_Progress(unsigned handle, void *data_raw,
4143                                                 int bytes, int size)
4144 {
4145   // nothing to do here
4146 }
4147
4148 static void Emscripten_ApiRenamePlayer_HttpRequest(struct HttpRequest *request,
4149                                                    void *data_raw)
4150 {
4151   if (!SetRequest_ApiRenamePlayer(request, data_raw))
4152   {
4153     FreeThreadData_ApiRenamePlayer(data_raw);
4154
4155     return;
4156   }
4157
4158   emscripten_async_wget2_data(request->uri,
4159                               request->method,
4160                               request->body,
4161                               data_raw,
4162                               TRUE,
4163                               Emscripten_ApiRenamePlayer_Loaded,
4164                               Emscripten_ApiRenamePlayer_Failed,
4165                               Emscripten_ApiRenamePlayer_Progress);
4166 }
4167
4168 #else
4169
4170 static void ApiRenamePlayer_HttpRequestExt(struct HttpRequest *request,
4171                                            struct HttpResponse *response,
4172                                            void *data_raw)
4173 {
4174   if (!SetRequest_ApiRenamePlayer(request, data_raw))
4175     return;
4176
4177   if (!DoHttpRequest(request, response))
4178   {
4179     Error("HTTP request failed: %s", GetHttpError());
4180
4181     return;
4182   }
4183
4184   if (!HTTP_SUCCESS(response->status_code))
4185   {
4186     Error("server failed to handle request: %d %s",
4187           response->status_code,
4188           response->status_text);
4189
4190     return;
4191   }
4192
4193   HandleResponse_ApiRenamePlayer(response, data_raw);
4194 }
4195
4196 static void ApiRenamePlayer_HttpRequest(struct HttpRequest *request,
4197                                     struct HttpResponse *response,
4198                                     void *data_raw)
4199 {
4200   ApiRenamePlayer_HttpRequestExt(request, response, data_raw);
4201
4202   FreeThreadData_ApiRenamePlayer(data_raw);
4203 }
4204 #endif
4205
4206 static int ApiRenamePlayerThread(void *data_raw)
4207 {
4208   struct HttpRequest *request = checked_calloc(sizeof(struct HttpRequest));
4209   struct HttpResponse *response = checked_calloc(sizeof(struct HttpResponse));
4210
4211 #if defined(PLATFORM_EMSCRIPTEN)
4212   Emscripten_ApiRenamePlayer_HttpRequest(request, data_raw);
4213 #else
4214   ApiRenamePlayer_HttpRequest(request, response, data_raw);
4215 #endif
4216
4217   checked_free(request);
4218   checked_free(response);
4219
4220   return 0;
4221 }
4222
4223 static void ApiRenamePlayerAsThread(void)
4224 {
4225   struct ApiRenamePlayerThreadData *data = CreateThreadData_ApiRenamePlayer();
4226
4227   ExecuteAsThread(ApiRenamePlayerThread,
4228                   "ApiRenamePlayer", data,
4229                   "rename player on server");
4230 }
4231
4232
4233 // ============================================================================
4234 // type name functions
4235 // ============================================================================
4236
4237 static TreeInfo *type_name_node = NULL;
4238 static char type_name_last[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4239 static int type_name_nr = 0;
4240
4241 static int getPlayerNameColor(char *name)
4242 {
4243   return (strEqual(name, EMPTY_PLAYER_NAME) ? FC_BLUE : FC_RED);
4244 }
4245
4246 static void drawTypeNameText(char *name, struct TextPosInfo *pos,
4247                               boolean active)
4248 {
4249   char text[MAX_PLAYER_NAME_LEN + 2] = { 0 };
4250   boolean multiple_users = (game_status == GAME_MODE_PSEUDO_TYPENAMES);
4251   int sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4252   int sy = (multiple_users ? amSY + pos->y : mSY + ALIGNED_TEXT_YPOS(pos));
4253   int font_nr = (active ? FONT_ACTIVE(pos->font) : pos->font);
4254   int font_width = getFontWidth(font_nr);
4255
4256   DrawBackgroundForFont(sx, sy, pos->width, pos->height, font_nr);
4257
4258   sprintf(text, "%s%c", name, (active ? '_' : '\0'));
4259
4260   pos->width = strlen(text) * font_width;
4261   sx = (multiple_users ? amSX + pos->x : mSX + ALIGNED_TEXT_XPOS(pos));
4262
4263   DrawText(sx, sy, text, font_nr);
4264 }
4265
4266 static void getTypeNameValues(char *name, struct TextPosInfo *pos, int *xpos)
4267 {
4268   struct MainControlInfo *mci = getMainControlInfo(MAIN_CONTROL_NAME);
4269
4270   *pos = *mci->pos_input;
4271
4272   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4273   {
4274     TreeInfo *ti = player_name_current;
4275     int first_entry = ti->cl_first;
4276     int entry_pos = first_entry + ti->cl_cursor;
4277     TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4278     int xpos = MENU_SCREEN_START_XPOS;
4279     int ypos = MENU_SCREEN_START_YPOS + ti->cl_cursor;
4280
4281     type_name_node = getTreeInfoFromPos(node_first, entry_pos);
4282     type_name_nr = entry_pos;
4283
4284     strcpy(name, type_name_node->name);
4285
4286     pos->x = xpos * 32;
4287     pos->y = ypos * 32;
4288     pos->width = MAX_PLAYER_NAME_LEN * 32;
4289   }
4290   else
4291   {
4292     type_name_nr = user.nr;
4293
4294     strcpy(name, setup.player_name);
4295   }
4296
4297   strcpy(type_name_last, name);
4298
4299   if (strEqual(name, EMPTY_PLAYER_NAME))
4300     strcpy(name, "");
4301
4302   *xpos = strlen(name);
4303 }
4304
4305 static void setTypeNameValues_Name(char *name, struct TextPosInfo *pos)
4306 {
4307   // change name of edited user in global list of user names
4308   setString(&global.user_names[type_name_nr], name);
4309
4310   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4311   {
4312     TreeInfo *node = type_name_node;
4313
4314     // change name of edited user in local menu tree structure
4315     setString(&node->name, name);
4316     setString(&node->name_sorting, name);
4317
4318     node->color = getPlayerNameColor(name);
4319     pos->font = MENU_CHOOSE_TREE_FONT(node->color);
4320   }
4321 }
4322
4323 static void setTypeNameValues(char *name, struct TextPosInfo *pos,
4324                               boolean changed)
4325 {
4326   boolean reset_setup = strEqual(name, "");
4327   boolean remove_user = strEqual(name, EMPTY_PLAYER_NAME);
4328   boolean create_user = strEqual(type_name_last, EMPTY_PLAYER_NAME);
4329
4330   if (!changed)
4331     strcpy(name, type_name_last);
4332
4333   if (strEqual(name, ""))
4334     strcpy(name, EMPTY_PLAYER_NAME);
4335
4336   setTypeNameValues_Name(name, pos);
4337
4338   // if player name not changed, no further action required
4339   if (strEqual(name, type_name_last))
4340     return;
4341
4342   // redraw player name before (possibly) opening request dialogs
4343   drawTypeNameText(name, pos, FALSE);
4344
4345   int last_user_nr = user.nr;
4346
4347   if (game_status == GAME_MODE_PSEUDO_TYPENAMES)
4348   {
4349     // save setup of currently active user (may differ from edited user)
4350     SaveSetup();
4351
4352     // temporarily change active user to edited user
4353     user.nr = type_name_nr;
4354
4355     // load setup of edited user (unless creating user with current setup)
4356     if (!create_user ||
4357         !Request("Use current setup values for the new player?", REQ_ASK))
4358       LoadSetup();
4359   }
4360
4361   char *setup_filename = getSetupFilename();
4362   boolean setup_exists = fileExists(setup_filename);
4363
4364   // change name of edited user in setup structure
4365   strcpy(setup.player_name, name);
4366
4367   // save setup of edited user
4368   SaveSetup();
4369
4370   // change name of edited user on score server
4371   ApiRenamePlayerAsThread();
4372
4373   if (game_status == GAME_MODE_PSEUDO_TYPENAMES || reset_setup)
4374   {
4375     if (reset_setup)
4376     {
4377       if (Request("Reset setup values for this player?", REQ_ASK))
4378       {
4379         // remove setup config file
4380         unlink(setup_filename);
4381
4382         // set player name to default player name
4383         LoadSetup();
4384
4385         // update player name used by name typing functions
4386         strcpy(name, setup.player_name);
4387
4388         setTypeNameValues_Name(name, pos);
4389       }
4390     }
4391     else if (remove_user && type_name_nr != 0)
4392     {
4393       if (Request("Remove settings and tapes for deleted player?", REQ_ASK))
4394       {
4395         char *user_dir = getUserGameDataDir();
4396         char *user_dir_removed =
4397           getStringCat3WithSeparator(user_dir, "REMOVED",
4398                                      getCurrentTimestamp(), ".");
4399
4400         if (rename(user_dir, user_dir_removed) != 0)
4401           Request("Removing settings and tapes failed!", REQ_CONFIRM);
4402
4403         checked_free(user_dir_removed);
4404       }
4405     }
4406     else if (create_user && type_name_nr != 0 && !setup_exists)
4407     {
4408       if (Request("Create empty level set for the new player?", REQ_ASK))
4409       {
4410         char *levelset_subdir = getNewUserLevelSubdir();
4411
4412         if (CreateUserLevelSet(levelset_subdir, name, name, 100, FALSE))
4413         {
4414           AddUserLevelSetToLevelInfo(levelset_subdir);
4415
4416           LevelDirTree *leveldir_current_last = leveldir_current;
4417
4418           leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
4419                                                        levelset_subdir);
4420
4421           // set level number of newly created level set to default value
4422           LoadLevelSetup_SeriesInfo();
4423
4424           // set newly created level set as current level set for new user
4425           SaveLevelSetup_LastSeries();
4426           SaveLevelSetup_SeriesInfo();
4427
4428           leveldir_current = leveldir_current_last;
4429         }
4430         else
4431         {
4432           Request("Creating new level set failed!", REQ_CONFIRM);
4433         }
4434       }
4435     }
4436
4437     // restore currently active user
4438     user.nr = last_user_nr;
4439
4440     // restore setup of currently active user
4441     LoadSetup();
4442
4443     // restore last level set of currently active user
4444     LoadLevelSetup_LastSeries();
4445     LoadLevelSetup_SeriesInfo();
4446   }
4447 }
4448
4449 static void HandleTypeNameExt(boolean initialize, Key key)
4450 {
4451   static struct TextPosInfo pos_name = { 0 };
4452   static char name[MAX_PLAYER_NAME_LEN + 1] = { 0 };
4453   static int xpos = 0;
4454   struct TextPosInfo *pos = &pos_name;
4455   char key_char = getValidConfigValueChar(getCharFromKey(key));
4456   boolean is_valid_key_char = (key_char != 0 && (key_char != ' ' || xpos > 0));
4457   boolean active = TRUE;
4458
4459   if (initialize)
4460   {
4461     getTypeNameValues(name, pos, &xpos);
4462
4463     int sx = mSX + ALIGNED_TEXT_XPOS(pos);
4464     int sy = mSY + ALIGNED_TEXT_YPOS(pos);
4465
4466     StartTextInput(sx, sy, pos->width, pos->height);
4467   }
4468   else if (is_valid_key_char && xpos < MAX_PLAYER_NAME_LEN)
4469   {
4470     name[xpos] = key_char;
4471     name[xpos + 1] = 0;
4472
4473     xpos++;
4474   }
4475   else if ((key == KSYM_Delete || key == KSYM_BackSpace) && xpos > 0)
4476   {
4477     xpos--;
4478
4479     name[xpos] = 0;
4480   }
4481   else if (key == KSYM_Return || key == KSYM_Escape)
4482   {
4483     boolean changed = (key == KSYM_Return);
4484
4485     StopTextInput();
4486
4487     setTypeNameValues(name, pos, changed);
4488
4489     active = FALSE;
4490   }
4491
4492   drawTypeNameText(name, pos, active);
4493
4494   if (!active)
4495   {
4496     SetGameStatus(game_status_last_screen);
4497
4498     if (game_status == GAME_MODE_MAIN)
4499       InitializeMainControls();
4500   }
4501 }
4502
4503 static void DrawTypeName(void)
4504 {
4505   HandleTypeNameExt(TRUE, 0);
4506 }
4507
4508 void HandleTypeName(Key key)
4509 {
4510   HandleTypeNameExt(FALSE, key);
4511 }
4512
4513
4514 // ============================================================================
4515 // tree menu functions
4516 // ============================================================================
4517
4518 static int getAlignXOffsetFromTreeInfo(TreeInfo *ti)
4519 {
4520   if (game_status != GAME_MODE_SETUP ||
4521       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4522     return 0;
4523
4524   int max_text_size = 0;
4525   TreeInfo *node;
4526
4527   for (node = getTreeInfoFirstGroupEntry(ti); node != NULL; node = node->next)
4528     max_text_size = MAX(max_text_size, strlen(node->name));
4529
4530   int num_entries = numTreeInfoInGroup(ti);
4531   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4532   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4533   int text_width = max_text_size * getFontWidth(font_nr);
4534   int button_width = SC_MENUBUTTON_XSIZE;
4535   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4536   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4537   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].align;
4538   int x = ALIGNED_XPOS(0, screen_width, align) * -1;
4539   int align_xoffset_raw = ALIGNED_XPOS(x, button_width + text_width, align);
4540   int align_xoffset = MAX(0, align_xoffset_raw);
4541
4542   return align_xoffset;
4543 }
4544
4545 static int getAlignYOffsetFromTreeInfo(TreeInfo *ti)
4546 {
4547   if (game_status != GAME_MODE_SETUP ||
4548       DRAW_MODE_SETUP(setup_mode) != SETUP_MODE_CHOOSE_OTHER)
4549     return 0;
4550
4551   int num_entries = numTreeInfoInGroup(ti);
4552   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4553   int font_nr = MENU_CHOOSE_TREE_FONT(FC_RED);
4554   int font_height = getFontHeight(font_nr);
4555   int text_height = font_height * num_page_entries;
4556   int page_height = font_height * NUM_MENU_ENTRIES_ON_SCREEN;
4557   int align = menu.list_setup[SETUP_MODE_CHOOSE_OTHER].valign;
4558   int y = ALIGNED_YPOS(0, page_height, align) * -1;
4559   int align_yoffset_raw = ALIGNED_YPOS(y, text_height, align);
4560   int align_yoffset = MAX(0, align_yoffset_raw);
4561
4562   return align_yoffset;
4563 }
4564
4565 static void DrawChooseTree(TreeInfo **ti_ptr)
4566 {
4567   int fade_mask = REDRAW_FIELD;
4568
4569   if (CheckFadeAll())
4570     fade_mask = REDRAW_ALL;
4571
4572   if (strEqual((*ti_ptr)->subdir, STRING_TOP_DIRECTORY))
4573   {
4574     if (game_status == GAME_MODE_SETUP)
4575     {
4576       execSetupArtwork();
4577     }
4578     else        // GAME_MODE_LEVELS
4579     {
4580       SetGameStatus(GAME_MODE_MAIN);
4581
4582       DrawMainMenu();
4583     }
4584
4585     return;
4586   }
4587
4588   UnmapAllGadgets();
4589
4590   FreeScreenGadgets();
4591   CreateScreenGadgets();
4592
4593   FadeOut(fade_mask);
4594
4595   // needed if different viewport properties defined for choosing level (set)
4596   ChangeViewportPropertiesIfNeeded();
4597
4598   if (game_status == GAME_MODE_NAMES)
4599     SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
4600   else if (game_status == GAME_MODE_LEVELNR)
4601     SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
4602   else if (game_status == GAME_MODE_LEVELS)
4603     SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
4604
4605   ClearField();
4606
4607   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
4608
4609   MapScreenTreeGadgets(*ti_ptr);
4610   HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
4611
4612   DrawMaskedBorder(fade_mask);
4613
4614   FadeIn(fade_mask);
4615 }
4616
4617 static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
4618 {
4619   int num_entries = numTreeInfoInGroup(ti);
4620   boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
4621   int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
4622   int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
4623   int first_entry = ti->cl_first;
4624   int entry_pos = first_entry + y;
4625   TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
4626   TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
4627   int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
4628   int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
4629   int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
4630   int xpos = MENU_SCREEN_START_XPOS;
4631   int ypos = MENU_SCREEN_START_YPOS + y;
4632   int startx = amSX + xpos * 32;
4633   int starty = amSY + ypos * 32;
4634   int startx_text = startx + font_xoffset;
4635   int endx_text = amSX + screen_width;
4636   int max_text_size = endx_text - startx_text;
4637   int max_buffer_len = max_text_size / getFontWidth(font_nr);
4638   char buffer[max_buffer_len + 1];
4639
4640   strncpy(buffer, node->name, max_buffer_len);
4641   buffer[max_buffer_len] = '\0';
4642
4643   DrawText(startx, starty, buffer, font_nr);
4644 }
4645
4646 static void drawChooseTreeList(int first_entry, int num_page_entries,
4647                                TreeInfo *ti)
4648 {
4649   int i;
4650   char *title_string = NULL;
4651   int yoffset_sets = MENU_TITLE1_YPOS;
4652   int yoffset_setup = 16;
4653   int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
4654                  ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
4655
4656   title_string = ti->infotext;
4657
4658   DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
4659
4660   clearMenuListArea();
4661
4662   for (i = 0; i < num_page_entries; i++)
4663   {
4664     TreeInfo *node, *node_first;
4665     int entry_pos = first_entry + i;
4666
4667     node_first = getTreeInfoFirstGroupEntry(ti);
4668     node = getTreeInfoFromPos(node_first, entry_pos);
4669
4670     drawChooseTreeText(i, FALSE, ti);
4671
4672     if (node->parent_link)
4673       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
4674     else if (node->level_group)
4675       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
4676     else
4677       initCursor(i, IMG_MENU_BUTTON);
4678
4679     if (game_status == GAME_MODE_NAMES)
4680       drawChooseTreeEdit(i, FALSE);
4681   }
4682
4683   redraw_mask |= REDRAW_FIELD;
4684 }
4685
4686 static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
4687 {
4688   TreeInfo *node, *node_first;
4689   int x, last_redraw_mask = redraw_mask;
4690   int ypos = MENU_TITLE2_YPOS;
4691   int font_nr = FONT_TITLE_2;
4692
4693   if (ti->type == TREE_TYPE_LEVEL_NR)
4694     DrawTextFCentered(ypos, font_nr, leveldir_current->name);
4695
4696   if (ti->type != TREE_TYPE_LEVEL_DIR)
4697     return;
4698
4699   node_first = getTreeInfoFirstGroupEntry(ti);
4700   node = getTreeInfoFromPos(node_first, entry_pos);
4701
4702   DrawBackgroundForFont(SX, SY + ypos, SXSIZE, getFontHeight(font_nr), font_nr);
4703
4704   if (node->parent_link)
4705     DrawTextFCentered(ypos, font_nr, "leave \"%s\"",
4706                       node->node_parent->name);
4707   else if (node->level_group)
4708     DrawTextFCentered(ypos, font_nr, "enter \"%s\"",
4709                       node->name);
4710   else if (ti->type == TREE_TYPE_LEVEL_DIR)
4711     DrawTextFCentered(ypos, font_nr, "%3d %s (%s)",
4712                       node->levels, (node->levels > 1 ? "levels" : "level"),
4713                       node->class_desc);
4714
4715   // let BackToFront() redraw only what is needed
4716   redraw_mask = last_redraw_mask;
4717   for (x = 0; x < SCR_FIELDX; x++)
4718     MarkTileDirty(x, 1);
4719 }
4720
4721 static void drawChooseTreeCursorAndText(int y, boolean active, TreeInfo *ti)
4722 {
4723   drawChooseTreeCursor(y, active);
4724   drawChooseTreeText(y, active, ti);
4725 }
4726
4727 static void HandleChooseTree(int mx, int my, int dx, int dy, int button,
4728                              TreeInfo **ti_ptr)
4729 {
4730   TreeInfo *ti = *ti_ptr;
4731   boolean has_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->mapped;
4732   int mx_scrollbar = screen_gadget[SCREEN_CTRL_ID_SCROLL_VERTICAL]->x;
4733   int mx_right_border = (has_scrollbar ? mx_scrollbar : SX + SXSIZE);
4734   int sx1_edit_name = getChooseTreeEditXPos(POS_LEFT);
4735   int sx2_edit_name = getChooseTreeEditXPos(POS_RIGHT);
4736   int x = 0;
4737   int y = ti->cl_cursor;
4738   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
4739   int num_entries = numTreeInfoInGroup(ti);
4740   int num_page_entries = MIN(num_entries, NUM_MENU_ENTRIES_ON_SCREEN);
4741   boolean position_set_by_scrollbar = (dx == 999);
4742
4743   if (button == MB_MENU_INITIALIZE)
4744   {
4745     int num_entries = numTreeInfoInGroup(ti);
4746     int entry_pos = getPosFromTreeInfo(ti);
4747
4748     align_xoffset = getAlignXOffsetFromTreeInfo(ti);
4749     align_yoffset = getAlignYOffsetFromTreeInfo(ti);
4750
4751     if (ti->cl_first == -1)
4752     {
4753       // only on initialization
4754       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4755       ti->cl_cursor = entry_pos - ti->cl_first;
4756     }
4757     else if (ti->cl_cursor >= num_page_entries ||
4758              (num_entries > num_page_entries &&
4759               num_entries - ti->cl_first < num_page_entries))
4760     {
4761       // only after change of list size (by custom graphic configuration)
4762       ti->cl_first = MAX(0, entry_pos - num_page_entries + 1);
4763       ti->cl_cursor = entry_pos - ti->cl_first;
4764     }
4765
4766     if (position_set_by_scrollbar)
4767       ti->cl_first = dy;
4768     else
4769       AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4770                                 ti->cl_first, ti);
4771
4772     drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4773     drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4774     drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4775
4776     return;
4777   }
4778   else if (button == MB_MENU_LEAVE)
4779   {
4780     FadeSetLeaveMenu();
4781
4782     PlaySound(SND_MENU_ITEM_SELECTING);
4783
4784     if (ti->node_parent)
4785     {
4786       *ti_ptr = ti->node_parent;
4787       DrawChooseTree(ti_ptr);
4788     }
4789     else if (game_status == GAME_MODE_SETUP)
4790     {
4791       if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4792           setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4793           setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4794         execSetupGame();
4795       else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4796                setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4797                setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4798                setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4799         execSetupGraphics();
4800       else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4801                setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4802                setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4803         execSetupSound();
4804       else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4805                setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4806                setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4807                setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4808                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4809                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4810                setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4811                setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4812         execSetupTouch();
4813       else
4814         execSetupArtwork();
4815     }
4816     else
4817     {
4818       if (game_status == GAME_MODE_LEVELNR)
4819       {
4820         int new_level_nr = atoi(level_number_current->identifier);
4821
4822         HandleMainMenu_SelectLevel(0, 0, new_level_nr);
4823       }
4824
4825       SetGameStatus(GAME_MODE_MAIN);
4826
4827       DrawMainMenu();
4828     }
4829
4830     return;
4831   }
4832
4833   if (mx || my)         // mouse input
4834   {
4835     x = (mx - amSX) / 32;
4836     y = (my - amSY) / 32 - MENU_SCREEN_START_YPOS;
4837
4838     if (game_status == GAME_MODE_NAMES)
4839       drawChooseTreeEdit(ti->cl_cursor, FALSE);
4840   }
4841   else if (dx || dy)    // keyboard or scrollbar/scrollbutton input
4842   {
4843     // move cursor instead of scrolling when already at start/end of list
4844     if (dy == -1 * SCROLL_LINE && ti->cl_first == 0)
4845       dy = -1;
4846     else if (dy == +1 * SCROLL_LINE &&
4847              ti->cl_first + num_page_entries == num_entries)
4848       dy = 1;
4849
4850     // handle scrolling screen one line or page
4851     if (ti->cl_cursor + dy < 0 ||
4852         ti->cl_cursor + dy > num_page_entries - 1)
4853     {
4854       boolean redraw = FALSE;
4855
4856       if (ABS(dy) == SCROLL_PAGE)
4857         step = num_page_entries - 1;
4858
4859       if (dy < 0 && ti->cl_first > 0)
4860       {
4861         // scroll page/line up
4862
4863         ti->cl_first -= step;
4864         if (ti->cl_first < 0)
4865           ti->cl_first = 0;
4866
4867         redraw = TRUE;
4868       }
4869       else if (dy > 0 && ti->cl_first + num_page_entries < num_entries)
4870       {
4871         // scroll page/line down
4872
4873         ti->cl_first += step;
4874         if (ti->cl_first + num_page_entries > num_entries)
4875           ti->cl_first = MAX(0, num_entries - num_page_entries);
4876
4877         redraw = TRUE;
4878       }
4879
4880       if (redraw)
4881       {
4882         drawChooseTreeList(ti->cl_first, num_page_entries, ti);
4883         drawChooseTreeInfo(ti->cl_first + ti->cl_cursor, ti);
4884         drawChooseTreeCursorAndText(ti->cl_cursor, TRUE, ti);
4885
4886         AdjustChooseTreeScrollbar(SCREEN_CTRL_ID_SCROLL_VERTICAL,
4887                                   ti->cl_first, ti);
4888       }
4889
4890       return;
4891     }
4892
4893     // handle moving cursor one line
4894     y = ti->cl_cursor + dy;
4895   }
4896
4897   if (dx == 1)
4898   {
4899     TreeInfo *node_first, *node_cursor;
4900     int entry_pos = ti->cl_first + y;
4901
4902     node_first = getTreeInfoFirstGroupEntry(ti);
4903     node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4904
4905     if (node_cursor->node_group)
4906     {
4907       FadeSetEnterMenu();
4908
4909       PlaySound(SND_MENU_ITEM_SELECTING);
4910
4911       node_cursor->cl_first = ti->cl_first;
4912       node_cursor->cl_cursor = ti->cl_cursor;
4913       *ti_ptr = node_cursor->node_group;
4914       DrawChooseTree(ti_ptr);
4915
4916       return;
4917     }
4918   }
4919   else if (dx == -1 && ti->node_parent)
4920   {
4921     FadeSetLeaveMenu();
4922
4923     PlaySound(SND_MENU_ITEM_SELECTING);
4924
4925     *ti_ptr = ti->node_parent;
4926     DrawChooseTree(ti_ptr);
4927
4928     return;
4929   }
4930
4931   if (!anyScrollbarGadgetActive() &&
4932       IN_VIS_MENU(x, y) &&
4933       mx < mx_right_border &&
4934       y >= 0 && y < num_page_entries)
4935   {
4936     if (button)
4937     {
4938       if (game_status == GAME_MODE_NAMES)
4939       {
4940         if (mx >= sx1_edit_name && mx <= sx2_edit_name)
4941           drawChooseTreeEdit(y, TRUE);
4942       }
4943
4944       if (y != ti->cl_cursor)
4945       {
4946         PlaySound(SND_MENU_ITEM_ACTIVATING);
4947
4948         drawChooseTreeCursorAndText(ti->cl_cursor, FALSE, ti);
4949         drawChooseTreeCursorAndText(y, TRUE, ti);
4950         drawChooseTreeInfo(ti->cl_first + y, ti);
4951
4952         ti->cl_cursor = y;
4953       }
4954       else if (dx < 0)
4955       {
4956         if (game_status == GAME_MODE_SETUP)
4957         {
4958           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
4959               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
4960               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
4961             execSetupGame();
4962           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
4963                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
4964                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
4965                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
4966             execSetupGraphics();
4967           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
4968                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
4969                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
4970             execSetupSound();
4971           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
4972                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
4973                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
4974                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
4975                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
4976                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
4977                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
4978                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
4979             execSetupTouch();
4980           else
4981             execSetupArtwork();
4982         }
4983       }
4984     }
4985     else
4986     {
4987       TreeInfo *node_first, *node_cursor;
4988       int entry_pos = ti->cl_first + y;
4989
4990       PlaySound(SND_MENU_ITEM_SELECTING);
4991
4992       node_first = getTreeInfoFirstGroupEntry(ti);
4993       node_cursor = getTreeInfoFromPos(node_first, entry_pos);
4994
4995       if (node_cursor->node_group)
4996       {
4997         FadeSetEnterMenu();
4998
4999         node_cursor->cl_first = ti->cl_first;
5000         node_cursor->cl_cursor = ti->cl_cursor;
5001         *ti_ptr = node_cursor->node_group;
5002         DrawChooseTree(ti_ptr);
5003       }
5004       else if (node_cursor->parent_link)
5005       {
5006         FadeSetLeaveMenu();
5007
5008         *ti_ptr = node_cursor->node_parent;
5009         DrawChooseTree(ti_ptr);
5010       }
5011       else
5012       {
5013         FadeSetEnterMenu();
5014
5015         node_cursor->cl_first = ti->cl_first;
5016         node_cursor->cl_cursor = ti->cl_cursor;
5017         *ti_ptr = node_cursor;
5018
5019         if (ti->type == TREE_TYPE_LEVEL_DIR)
5020         {
5021           LoadLevelSetup_SeriesInfo();
5022
5023           SaveLevelSetup_LastSeries();
5024           SaveLevelSetup_SeriesInfo();
5025           TapeErase();
5026         }
5027
5028         if (game_status == GAME_MODE_SETUP)
5029         {
5030           if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED ||
5031               setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY ||
5032               setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
5033             execSetupGame();
5034           else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE ||
5035                    setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE ||
5036                    setup_mode == SETUP_MODE_CHOOSE_RENDERING ||
5037                    setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5038             execSetupGraphics();
5039           else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE ||
5040                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS ||
5041                    setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
5042             execSetupSound();
5043           else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL ||
5044                    setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE ||
5045                    setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE ||
5046                    setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY ||
5047                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0 ||
5048                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0 ||
5049                    setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1 ||
5050                    setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
5051             execSetupTouch();
5052           else
5053             execSetupArtwork();
5054         }
5055         else
5056         {
5057           if (game_status == GAME_MODE_LEVELNR)
5058           {
5059             int new_level_nr = atoi(level_number_current->identifier);
5060
5061             HandleMainMenu_SelectLevel(0, 0, new_level_nr);
5062           }
5063           else if (game_status == GAME_MODE_LEVELS)
5064           {
5065             // store level set if chosen from "last played level set" menu
5066             StoreLastPlayedLevels(leveldir_current);
5067           }
5068           else if (game_status == GAME_MODE_NAMES)
5069           {
5070             if (mx >= sx1_edit_name && mx <= sx2_edit_name)
5071             {
5072               SetGameStatus(GAME_MODE_PSEUDO_TYPENAMES);
5073
5074               DrawTypeName();
5075
5076               return;
5077             }
5078
5079             // change active user to selected user
5080             user.nr = entry_pos;
5081
5082             // save number of new active user
5083             SaveUserSetup();
5084
5085             // load setup of new active user
5086             LoadSetup();
5087
5088             // load last level set of new active user
5089             LoadLevelSetup_LastSeries();
5090             LoadLevelSetup_SeriesInfo();
5091
5092             // update list of last played level sets
5093             UpdateLastPlayedLevels_TreeInfo();
5094
5095             TapeErase();
5096
5097             ToggleFullscreenIfNeeded();
5098             ChangeWindowScalingIfNeeded();
5099
5100             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
5101             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
5102             ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
5103           }
5104
5105           SetGameStatus(GAME_MODE_MAIN);
5106
5107           DrawMainMenu();
5108         }
5109       }
5110     }
5111   }
5112 }
5113
5114 void DrawChoosePlayerName(void)
5115 {
5116   int i;
5117
5118   FadeMenuSoundsAndMusic();
5119
5120   if (player_name != NULL)
5121   {
5122     freeTreeInfo(player_name);
5123
5124     player_name = NULL;
5125   }
5126
5127   for (i = 0; i < MAX_PLAYER_NAMES; i++)
5128   {
5129     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_PLAYER_NAME);
5130     char identifier[32], name[MAX_PLAYER_NAME_LEN + 1];
5131     int value = i;
5132
5133     ti->node_top = &player_name;
5134     ti->sort_priority = 10000 + value;
5135     ti->color = getPlayerNameColor(global.user_names[i]);
5136
5137     snprintf(identifier, sizeof(identifier), "%d", value);
5138     snprintf(name, sizeof(name), "%s", global.user_names[i]);
5139
5140     setString(&ti->identifier, identifier);
5141     setString(&ti->name, name);
5142     setString(&ti->name_sorting, name);
5143
5144     pushTreeInfo(&player_name, ti);
5145   }
5146
5147   // sort player entries by player number
5148   sortTreeInfo(&player_name);
5149
5150   // set current player entry to selected player entry
5151   player_name_current =
5152     getTreeInfoFromIdentifier(player_name, i_to_a(user.nr));
5153
5154   // if that fails, set current player name to first available name
5155   if (player_name_current == NULL)
5156     player_name_current = player_name;
5157
5158   DrawChooseTree(&player_name_current);
5159
5160   PlayMenuSoundsAndMusic();
5161 }
5162
5163 void HandleChoosePlayerName(int mx, int my, int dx, int dy, int button)
5164 {
5165   HandleChooseTree(mx, my, dx, dy, button, &player_name_current);
5166 }
5167
5168 void DrawChooseLevelSet(void)
5169 {
5170   FadeMenuSoundsAndMusic();
5171
5172   DrawChooseTree(&leveldir_current);
5173
5174   PlayMenuSoundsAndMusic();
5175 }
5176
5177 void HandleChooseLevelSet(int mx, int my, int dx, int dy, int button)
5178 {
5179   HandleChooseTree(mx, my, dx, dy, button, &leveldir_current);
5180 }
5181
5182 void DrawChooseLevelNr(void)
5183 {
5184   int i;
5185
5186   FadeMenuSoundsAndMusic();
5187
5188   if (level_number != NULL)
5189   {
5190     freeTreeInfo(level_number);
5191
5192     level_number = NULL;
5193   }
5194
5195   for (i = leveldir_current->first_level; i <= leveldir_current->last_level;i++)
5196   {
5197     TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_LEVEL_NR);
5198     char identifier[32], name[64];
5199     int value = i;
5200
5201     // temporarily load level info to get level name
5202     LoadLevelInfoOnly(i);
5203
5204     ti->node_top = &level_number;
5205     ti->sort_priority = 10000 + value;
5206     ti->color = (level.no_level_file ? FC_BLUE :
5207                  LevelStats_getSolved(i) ? FC_GREEN :
5208                  LevelStats_getPlayed(i) ? FC_YELLOW : FC_RED);
5209
5210     snprintf(identifier, sizeof(identifier), "%d", value);
5211     snprintf(name, sizeof(name), "%03d: %s", value,
5212              (level.no_level_file ? "(no file)" : level.name));
5213
5214     setString(&ti->identifier, identifier);
5215     setString(&ti->name, name);
5216     setString(&ti->name_sorting, name);
5217
5218     pushTreeInfo(&level_number, ti);
5219   }
5220
5221   // sort level number values to start with lowest level number
5222   sortTreeInfo(&level_number);
5223
5224   // set current level number to current level number
5225   level_number_current =
5226     getTreeInfoFromIdentifier(level_number, i_to_a(level_nr));
5227
5228   // if that also fails, set current level number to first available level
5229   if (level_number_current == NULL)
5230     level_number_current = level_number;
5231
5232   DrawChooseTree(&level_number_current);
5233
5234   PlayMenuSoundsAndMusic();
5235 }
5236
5237 void HandleChooseLevelNr(int mx, int my, int dx, int dy, int button)
5238 {
5239   HandleChooseTree(mx, my, dx, dy, button, &level_number_current);
5240 }
5241
5242 void DrawHallOfFame(int level_nr)
5243 {
5244   int fade_mask = REDRAW_FIELD;
5245
5246   if (CheckFadeAll())
5247     fade_mask = REDRAW_ALL;
5248
5249   UnmapAllGadgets();
5250   FadeMenuSoundsAndMusic();
5251
5252   // (this is needed when called from GameEnd() after winning a game)
5253   KeyboardAutoRepeatOn();
5254
5255   // (this is needed when called from GameEnd() after winning a game)
5256   SetDrawDeactivationMask(REDRAW_NONE);
5257   SetDrawBackgroundMask(REDRAW_FIELD);
5258
5259   LoadLocalAndServerScore(level_nr, TRUE);
5260
5261   if (scores.last_added >= 0)
5262     SetAnimStatus(GAME_MODE_PSEUDO_SCORESNEW);
5263
5264   FadeSetEnterScreen();
5265
5266   FadeOut(fade_mask);
5267
5268   // needed if different viewport properties defined for scores
5269   ChangeViewportPropertiesIfNeeded();
5270
5271   PlayMenuSoundsAndMusic();
5272
5273   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
5274
5275   HandleHallOfFame(level_nr, 0, 0, 0, MB_MENU_INITIALIZE);
5276
5277   DrawMaskedBorder(fade_mask);
5278
5279   FadeIn(fade_mask);
5280 }
5281
5282 static int getHallOfFameFirstEntry(int first_entry, int step)
5283 {
5284   if (step == 0)
5285     first_entry = scores.last_added - (NUM_MENU_ENTRIES_ON_SCREEN + 1) / 2 + 1;
5286   else
5287     first_entry += step;
5288
5289   if (first_entry < 0)
5290     first_entry = 0;
5291   else if (first_entry > MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN)
5292     first_entry = MAX(0, MAX_SCORE_ENTRIES - NUM_MENU_ENTRIES_ON_SCREEN);
5293
5294   return first_entry;
5295 }
5296
5297 static char *getHallOfFameScoreText(int nr)
5298 {
5299   if (!level.rate_time_over_score)
5300     return int2str(scores.entry[nr].score, 5);  // show normal score
5301
5302   if (level.use_step_counter)
5303     return int2str(scores.entry[nr].time, 5);   // show number of steps
5304
5305   static char score_text[10];
5306   int time_seconds = scores.entry[nr].time / FRAMES_PER_SECOND;
5307   int mm = (time_seconds / 60) % 60;
5308   int ss = (time_seconds % 60);
5309
5310   sprintf(score_text, "%02d:%02d", mm, ss);     // show playing time
5311
5312   return score_text;
5313 }
5314
5315 static void drawHallOfFameList(int level_nr, int first_entry)
5316 {
5317   int i, j;
5318
5319   SetMainBackgroundImage(IMG_BACKGROUND_SCORES);
5320   ClearField();
5321
5322   DrawTextSCentered(MENU_TITLE1_YPOS, FONT_TITLE_1, "Hall Of Fame");
5323   DrawTextFCentered(MENU_TITLE2_YPOS, FONT_TITLE_2,
5324                     "HighScores of Level %d", level_nr);
5325
5326   for (i = 0; i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
5327   {
5328     int entry = first_entry + i;
5329     boolean active = (entry == scores.last_added);
5330     boolean forced = (scores.force_last_added && active);
5331     int font_nr1 = (active ? FONT_TEXT_1_ACTIVE : FONT_TEXT_1);
5332     int font_nr2 = (active ? FONT_TEXT_2_ACTIVE : FONT_TEXT_2);
5333     int font_nr3 = (active ? FONT_TEXT_3_ACTIVE : FONT_TEXT_3);
5334     int font_nr4 = (active ? FONT_TEXT_4_ACTIVE : FONT_TEXT_4);
5335     int dxoff = getFontDrawOffsetX(font_nr1);
5336     int dx1 = 3 * getFontWidth(font_nr1);
5337     int dx2 = dx1 + getFontWidth(font_nr1);
5338     int dx3 = SXSIZE - 2 * (mSX - SX + dxoff) - 5 * getFontWidth(font_nr4);
5339     int num_dots = (dx3 - dx2) / getFontWidth(font_nr3);
5340     int sy = mSY + 64 + i * 32;
5341     char *pos_text = (forced ? "???" : int2str(entry + 1, 3));
5342
5343     DrawText(mSX, sy, pos_text, font_nr1);
5344     DrawText(mSX + dx1, sy, ".", font_nr1);
5345
5346     for (j = 0; j < num_dots; j++)
5347       DrawText(mSX + dx2 + j * getFontWidth(font_nr3), sy, ".", font_nr3);
5348
5349     if (!strEqual(scores.entry[entry].name, EMPTY_PLAYER_NAME))
5350       DrawText(mSX + dx2, sy, scores.entry[entry].name, font_nr2);
5351
5352     DrawText(mSX + dx3, sy, getHallOfFameScoreText(entry), font_nr4);
5353   }
5354
5355   redraw_mask |= REDRAW_FIELD;
5356 }
5357
5358 void HandleHallOfFame(int mx, int my, int dx, int dy, int button)
5359 {
5360   static int level_nr = 0;
5361   static int first_entry = 0;
5362   int step = (button == 1 ? 1 : button == 2 ? 5 : 10);
5363
5364   if (button == MB_MENU_INITIALIZE)
5365   {
5366     level_nr = mx;
5367
5368     if (server_scores.updated)
5369     {
5370       // reload scores, using updated server score cache file
5371       LoadLocalAndServerScore(level_nr, FALSE);
5372
5373       server_scores.updated = FALSE;
5374     }
5375
5376     first_entry = getHallOfFameFirstEntry(0, 0);
5377
5378     drawHallOfFameList(level_nr, first_entry);
5379
5380     return;
5381   }
5382
5383   if (ABS(dy) == SCROLL_PAGE)           // handle scrolling one page
5384     step = NUM_MENU_ENTRIES_ON_SCREEN - 1;
5385
5386   if (dy < 0)
5387   {
5388     first_entry = getHallOfFameFirstEntry(first_entry, -step);
5389
5390     drawHallOfFameList(level_nr, first_entry);
5391   }
5392   else if (dy > 0)
5393   {
5394     first_entry = getHallOfFameFirstEntry(first_entry, step);
5395
5396     drawHallOfFameList(level_nr, first_entry);
5397   }
5398   else if (button == MB_MENU_LEAVE || button == MB_MENU_CHOICE)
5399   {
5400     PlaySound(SND_MENU_ITEM_SELECTING);
5401
5402     FadeSound(SND_BACKGROUND_SCORES);
5403
5404     if (button == MB_MENU_CHOICE &&
5405         game_status_last_screen == GAME_MODE_PLAYING &&
5406         setup.auto_play_next_level && setup.increment_levels &&
5407         level_nr < leveldir_current->last_level &&
5408         !network_playing)
5409     {
5410       StartGameActions(network.enabled, setup.autorecord, level.random_seed);
5411     }
5412     else
5413     {
5414       SetGameStatus(GAME_MODE_MAIN);
5415
5416       DrawMainMenu();
5417     }
5418   }
5419   else if (server_scores.updated)
5420   {
5421     // reload scores, using updated server score cache file
5422     LoadLocalAndServerScore(level_nr, FALSE);
5423
5424     server_scores.updated = FALSE;
5425
5426     first_entry = getHallOfFameFirstEntry(0, 0);
5427
5428     drawHallOfFameList(level_nr, first_entry);
5429   }
5430
5431   if (game_status == GAME_MODE_SCORES)
5432     PlayMenuSoundIfLoop();
5433 }
5434
5435
5436 // ============================================================================
5437 // setup screen functions
5438 // ============================================================================
5439
5440 static struct TokenInfo *setup_info;
5441 static int num_setup_info;      // number of setup entries shown on screen
5442 static int max_setup_info;      // total number of setup entries in list
5443
5444 static char *window_size_text;
5445 static char *scaling_type_text;
5446 static char *rendering_mode_text;
5447 static char *vsync_mode_text;
5448 static char *scroll_delay_text;
5449 static char *snapshot_mode_text;
5450 static char *game_speed_text;
5451 static char *network_server_text;
5452 static char *graphics_set_name;
5453 static char *sounds_set_name;
5454 static char *music_set_name;
5455 static char *volume_simple_text;
5456 static char *volume_loops_text;
5457 static char *volume_music_text;
5458 static char *touch_controls_text;
5459 static char *move_distance_text;
5460 static char *drop_distance_text;
5461 static char *transparency_text;
5462 static char *grid_size_text[2][2];
5463
5464 static void execSetupMain(void)
5465 {
5466   setup_mode = SETUP_MODE_MAIN;
5467
5468   DrawSetupScreen();
5469 }
5470
5471 static void execSetupGame_setGameSpeeds(boolean update_value)
5472 {
5473   if (setup.game_speed_extended)
5474   {
5475     game_speeds_list = game_speeds_list_extended;
5476     game_speeds      = game_speeds_extended;
5477   }
5478   else
5479   {
5480     game_speeds_list = game_speeds_list_normal;
5481     game_speeds      = game_speeds_normal;
5482   }
5483
5484   if (game_speeds == NULL)
5485   {
5486     int i;
5487
5488     for (i = 0; game_speeds_list[i].value != -1; i++)
5489     {
5490       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5491       char identifier[32], name[32];
5492       int value = game_speeds_list[i].value;
5493       char *text = game_speeds_list[i].text;
5494
5495       ti->node_top = &game_speeds;
5496       ti->sort_priority = 10000 - value;
5497
5498       sprintf(identifier, "%d", value);
5499       sprintf(name, "%s", text);
5500
5501       setString(&ti->identifier, identifier);
5502       setString(&ti->name, name);
5503       setString(&ti->name_sorting, name);
5504       setString(&ti->infotext, STR_SETUP_CHOOSE_GAME_SPEED);
5505
5506       pushTreeInfo(&game_speeds, ti);
5507     }
5508
5509     // sort game speed values to start with slowest game speed
5510     sortTreeInfo(&game_speeds);
5511
5512     update_value = TRUE;
5513   }
5514
5515   if (update_value)
5516   {
5517     // set current game speed to configured game speed value
5518     game_speed_current =
5519       getTreeInfoFromIdentifier(game_speeds, i_to_a(setup.game_frame_delay));
5520
5521     // if that fails, set current game speed to reliable default value
5522     if (game_speed_current == NULL)
5523       game_speed_current =
5524         getTreeInfoFromIdentifier(game_speeds, i_to_a(GAME_FRAME_DELAY));
5525
5526     // if that also fails, set current game speed to first available speed
5527     if (game_speed_current == NULL)
5528       game_speed_current = game_speeds;
5529
5530     if (setup.game_speed_extended)
5531       game_speeds_extended = game_speeds;
5532     else
5533       game_speeds_normal = game_speeds;
5534   }
5535
5536   setup.game_frame_delay = atoi(game_speed_current->identifier);
5537
5538   // needed for displaying game speed text instead of identifier
5539   game_speed_text = game_speed_current->name;
5540 }
5541
5542 static void execSetupGame_setScrollDelays(void)
5543 {
5544   if (scroll_delays == NULL)
5545   {
5546     int i;
5547
5548     for (i = 0; scroll_delays_list[i].value != -1; i++)
5549     {
5550       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5551       char identifier[32], name[32];
5552       int value = scroll_delays_list[i].value;
5553       char *text = scroll_delays_list[i].text;
5554
5555       ti->node_top = &scroll_delays;
5556       ti->sort_priority = value;
5557
5558       sprintf(identifier, "%d", value);
5559       sprintf(name, "%s", text);
5560
5561       setString(&ti->identifier, identifier);
5562       setString(&ti->name, name);
5563       setString(&ti->name_sorting, name);
5564       setString(&ti->infotext, STR_SETUP_CHOOSE_SCROLL_DELAY);
5565
5566       pushTreeInfo(&scroll_delays, ti);
5567     }
5568
5569     // sort scroll delay values to start with lowest scroll delay value
5570     sortTreeInfo(&scroll_delays);
5571
5572     // set current scroll delay value to configured scroll delay value
5573     scroll_delay_current =
5574       getTreeInfoFromIdentifier(scroll_delays,i_to_a(setup.scroll_delay_value));
5575
5576     // if that fails, set current scroll delay to reliable default value
5577     if (scroll_delay_current == NULL)
5578       scroll_delay_current =
5579         getTreeInfoFromIdentifier(scroll_delays, i_to_a(STD_SCROLL_DELAY));
5580
5581     // if that also fails, set current scroll delay to first available value
5582     if (scroll_delay_current == NULL)
5583       scroll_delay_current = scroll_delays;
5584   }
5585
5586   setup.scroll_delay_value = atoi(scroll_delay_current->identifier);
5587
5588   // needed for displaying scroll delay text instead of identifier
5589   scroll_delay_text = scroll_delay_current->name;
5590 }
5591
5592 static void execSetupGame_setSnapshotModes(void)
5593 {
5594   if (snapshot_modes == NULL)
5595   {
5596     int i;
5597
5598     for (i = 0; snapshot_modes_list[i].value != NULL; i++)
5599     {
5600       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5601       char identifier[32], name[32];
5602       char *value = snapshot_modes_list[i].value;
5603       char *text = snapshot_modes_list[i].text;
5604
5605       ti->node_top = &snapshot_modes;
5606       ti->sort_priority = i;
5607
5608       sprintf(identifier, "%s", value);
5609       sprintf(name, "%s", text);
5610
5611       setString(&ti->identifier, identifier);
5612       setString(&ti->name, name);
5613       setString(&ti->name_sorting, name);
5614       setString(&ti->infotext, STR_SETUP_CHOOSE_SNAPSHOT_MODE);
5615
5616       pushTreeInfo(&snapshot_modes, ti);
5617     }
5618
5619     // sort snapshot mode values to start with lowest snapshot mode value
5620     sortTreeInfo(&snapshot_modes);
5621
5622     // set current snapshot mode value to configured snapshot mode value
5623     snapshot_mode_current =
5624       getTreeInfoFromIdentifier(snapshot_modes, setup.engine_snapshot_mode);
5625
5626     // if that fails, set current snapshot mode to reliable default value
5627     if (snapshot_mode_current == NULL)
5628       snapshot_mode_current =
5629         getTreeInfoFromIdentifier(snapshot_modes, STR_SNAPSHOT_MODE_DEFAULT);
5630
5631     // if that also fails, set current snapshot mode to first available value
5632     if (snapshot_mode_current == NULL)
5633       snapshot_mode_current = snapshot_modes;
5634   }
5635
5636   setup.engine_snapshot_mode = snapshot_mode_current->identifier;
5637
5638   // needed for displaying snapshot mode text instead of identifier
5639   snapshot_mode_text = snapshot_mode_current->name;
5640 }
5641
5642 static void execSetupGame_setNetworkServerText(void)
5643 {
5644   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
5645   {
5646     strcpy(network_server_hostname, STR_NETWORK_AUTO_DETECT_SETUP);
5647   }
5648   else
5649   {
5650     strncpy(network_server_hostname, setup.network_server_hostname,
5651             MAX_SETUP_TEXT_INPUT_LEN);
5652     network_server_hostname[MAX_SETUP_TEXT_INPUT_LEN] = '\0';
5653   }
5654
5655   // needed for displaying network server text instead of identifier
5656   network_server_text = network_server_hostname;
5657 }
5658
5659 static void execSetupGame(void)
5660 {
5661   boolean check_vsync_mode = (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED);
5662
5663   execSetupGame_setGameSpeeds(FALSE);
5664   execSetupGame_setScrollDelays();
5665   execSetupGame_setSnapshotModes();
5666
5667   execSetupGame_setNetworkServerText();
5668
5669   if (!setup.provide_uploading_tapes)
5670     setHideSetupEntry(execOfferUploadTapes);
5671
5672   setup_mode = SETUP_MODE_GAME;
5673
5674   DrawSetupScreen();
5675
5676   // check if vsync needs to be disabled for this game speed to work
5677   if (check_vsync_mode)
5678     DisableVsyncIfNeeded();
5679 }
5680
5681 static void execSetupChooseGameSpeed(void)
5682 {
5683   setup_mode = SETUP_MODE_CHOOSE_GAME_SPEED;
5684
5685   DrawSetupScreen();
5686 }
5687
5688 static void execSetupChooseScrollDelay(void)
5689 {
5690   setup_mode = SETUP_MODE_CHOOSE_SCROLL_DELAY;
5691
5692   DrawSetupScreen();
5693 }
5694
5695 static void execSetupChooseSnapshotMode(void)
5696 {
5697   setup_mode = SETUP_MODE_CHOOSE_SNAPSHOT_MODE;
5698
5699   DrawSetupScreen();
5700 }
5701
5702 static void execSetupEngines(void)
5703 {
5704   setup_mode = SETUP_MODE_ENGINES;
5705
5706   DrawSetupScreen();
5707 }
5708
5709 static void execSetupEditor(void)
5710 {
5711   setup_mode = SETUP_MODE_EDITOR;
5712
5713   DrawSetupScreen();
5714 }
5715
5716 static void execSetupGraphics_setWindowSizes(boolean update_list)
5717 {
5718   if (window_sizes != NULL && update_list)
5719   {
5720     freeTreeInfo(window_sizes);
5721
5722     window_sizes = NULL;
5723   }
5724
5725   if (window_sizes == NULL)
5726   {
5727     boolean current_window_size_found = FALSE;
5728     int i;
5729
5730     for (i = 0; window_sizes_list[i].value != -1; i++)
5731     {
5732       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5733       char identifier[32], name[32];
5734       int value = window_sizes_list[i].value;
5735       char *text = window_sizes_list[i].text;
5736
5737       ti->node_top = &window_sizes;
5738       ti->sort_priority = value;
5739
5740       sprintf(identifier, "%d", value);
5741       sprintf(name, "%s", text);
5742
5743       setString(&ti->identifier, identifier);
5744       setString(&ti->name, name);
5745       setString(&ti->name_sorting, name);
5746       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5747
5748       pushTreeInfo(&window_sizes, ti);
5749
5750       if (value == setup.window_scaling_percent)
5751         current_window_size_found = TRUE;
5752     }
5753
5754     if (!current_window_size_found)
5755     {
5756       // add entry for non-preset window scaling value
5757
5758       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5759       char identifier[32], name[32];
5760       int value = setup.window_scaling_percent;
5761
5762       ti->node_top = &window_sizes;
5763       ti->sort_priority = value;
5764
5765       sprintf(identifier, "%d", value);
5766       sprintf(name, "%d %% (Current)", value);
5767
5768       setString(&ti->identifier, identifier);
5769       setString(&ti->name, name);
5770       setString(&ti->name_sorting, name);
5771       setString(&ti->infotext, STR_SETUP_CHOOSE_WINDOW_SIZE);
5772
5773       pushTreeInfo(&window_sizes, ti);
5774     }
5775
5776     // sort window size values to start with lowest window size value
5777     sortTreeInfo(&window_sizes);
5778
5779     // set current window size value to configured window size value
5780     window_size_current =
5781       getTreeInfoFromIdentifier(window_sizes,
5782                                 i_to_a(setup.window_scaling_percent));
5783
5784     // if that fails, set current window size to reliable default value
5785     if (window_size_current == NULL)
5786       window_size_current =
5787         getTreeInfoFromIdentifier(window_sizes,
5788                                   i_to_a(STD_WINDOW_SCALING_PERCENT));
5789
5790     // if that also fails, set current window size to first available value
5791     if (window_size_current == NULL)
5792       window_size_current = window_sizes;
5793   }
5794
5795   setup.window_scaling_percent = atoi(window_size_current->identifier);
5796
5797   // needed for displaying window size text instead of identifier
5798   window_size_text = window_size_current->name;
5799 }
5800
5801 static void execSetupGraphics_setScalingTypes(void)
5802 {
5803   if (scaling_types == NULL)
5804   {
5805     int i;
5806
5807     for (i = 0; scaling_types_list[i].value != NULL; i++)
5808     {
5809       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5810       char identifier[32], name[32];
5811       char *value = scaling_types_list[i].value;
5812       char *text = scaling_types_list[i].text;
5813
5814       ti->node_top = &scaling_types;
5815       ti->sort_priority = i;
5816
5817       sprintf(identifier, "%s", value);
5818       sprintf(name, "%s", text);
5819
5820       setString(&ti->identifier, identifier);
5821       setString(&ti->name, name);
5822       setString(&ti->name_sorting, name);
5823       setString(&ti->infotext, STR_SETUP_CHOOSE_SCALING_TYPE);
5824
5825       pushTreeInfo(&scaling_types, ti);
5826     }
5827
5828     // sort scaling type values to start with lowest scaling type value
5829     sortTreeInfo(&scaling_types);
5830
5831     // set current scaling type value to configured scaling type value
5832     scaling_type_current =
5833       getTreeInfoFromIdentifier(scaling_types, setup.window_scaling_quality);
5834
5835     // if that fails, set current scaling type to reliable default value
5836     if (scaling_type_current == NULL)
5837       scaling_type_current =
5838         getTreeInfoFromIdentifier(scaling_types, SCALING_QUALITY_DEFAULT);
5839
5840     // if that also fails, set current scaling type to first available value
5841     if (scaling_type_current == NULL)
5842       scaling_type_current = scaling_types;
5843   }
5844
5845   setup.window_scaling_quality = scaling_type_current->identifier;
5846
5847   // needed for displaying scaling type text instead of identifier
5848   scaling_type_text = scaling_type_current->name;
5849 }
5850
5851 static void execSetupGraphics_setRenderingModes(void)
5852 {
5853   if (rendering_modes == NULL)
5854   {
5855     int i;
5856
5857     for (i = 0; rendering_modes_list[i].value != NULL; i++)
5858     {
5859       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5860       char identifier[32], name[32];
5861       char *value = rendering_modes_list[i].value;
5862       char *text = rendering_modes_list[i].text;
5863
5864       ti->node_top = &rendering_modes;
5865       ti->sort_priority = i;
5866
5867       sprintf(identifier, "%s", value);
5868       sprintf(name, "%s", text);
5869
5870       setString(&ti->identifier, identifier);
5871       setString(&ti->name, name);
5872       setString(&ti->name_sorting, name);
5873       setString(&ti->infotext, STR_SETUP_CHOOSE_RENDERING);
5874
5875       pushTreeInfo(&rendering_modes, ti);
5876     }
5877
5878     // sort rendering mode values to start with lowest rendering mode value
5879     sortTreeInfo(&rendering_modes);
5880
5881     // set current rendering mode value to configured rendering mode value
5882     rendering_mode_current =
5883       getTreeInfoFromIdentifier(rendering_modes, setup.screen_rendering_mode);
5884
5885     // if that fails, set current rendering mode to reliable default value
5886     if (rendering_mode_current == NULL)
5887       rendering_mode_current =
5888         getTreeInfoFromIdentifier(rendering_modes,
5889                                   STR_SPECIAL_RENDERING_DEFAULT);
5890
5891     // if that also fails, set current rendering mode to first available one
5892     if (rendering_mode_current == NULL)
5893       rendering_mode_current = rendering_modes;
5894   }
5895
5896   setup.screen_rendering_mode = rendering_mode_current->identifier;
5897
5898   // needed for displaying rendering mode text instead of identifier
5899   rendering_mode_text = rendering_mode_current->name;
5900 }
5901
5902 static void execSetupGraphics_setVsyncModes(boolean update_value)
5903 {
5904   if (vsync_modes == NULL)
5905   {
5906     int i;
5907
5908     for (i = 0; vsync_modes_list[i].value != NULL; i++)
5909     {
5910       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
5911       char identifier[32], name[32];
5912       char *value = vsync_modes_list[i].value;
5913       char *text = vsync_modes_list[i].text;
5914
5915       ti->node_top = &vsync_modes;
5916       ti->sort_priority = i;
5917
5918       sprintf(identifier, "%s", value);
5919       sprintf(name, "%s", text);
5920
5921       setString(&ti->identifier, identifier);
5922       setString(&ti->name, name);
5923       setString(&ti->name_sorting, name);
5924       setString(&ti->infotext, STR_SETUP_CHOOSE_VSYNC);
5925
5926       pushTreeInfo(&vsync_modes, ti);
5927     }
5928
5929     // sort vsync mode values to start with lowest vsync mode value
5930     sortTreeInfo(&vsync_modes);
5931
5932     update_value = TRUE;
5933   }
5934
5935   if (update_value)
5936   {
5937     // set current vsync mode value to configured vsync mode value
5938     vsync_mode_current =
5939       getTreeInfoFromIdentifier(vsync_modes, setup.vsync_mode);
5940
5941     // if that fails, set current vsync mode to reliable default value
5942     if (vsync_mode_current == NULL)
5943       vsync_mode_current =
5944         getTreeInfoFromIdentifier(vsync_modes, STR_VSYNC_MODE_DEFAULT);
5945
5946     // if that also fails, set current vsync mode to first available one
5947     if (vsync_mode_current == NULL)
5948       vsync_mode_current = vsync_modes;
5949   }
5950
5951   setup.vsync_mode = vsync_mode_current->identifier;
5952
5953   // needed for displaying vsync mode text instead of identifier
5954   vsync_mode_text = vsync_mode_current->name;
5955 }
5956
5957 static void execSetupGraphics(void)
5958 {
5959   boolean check_game_speed = (setup_mode == SETUP_MODE_CHOOSE_VSYNC);
5960
5961   // update "setup.window_scaling_percent" from list selection
5962   // (in this case, window scaling was changed on setup screen)
5963   if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
5964     execSetupGraphics_setWindowSizes(FALSE);
5965
5966   // update "setup.vsync_mode" from list selection
5967   // (in this case, vsync mode was changed on setup screen)
5968   if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
5969     execSetupGraphics_setVsyncModes(FALSE);
5970
5971   // update list selection from "setup.window_scaling_percent"
5972   // (window scaling may have changed by resizing the window)
5973   execSetupGraphics_setWindowSizes(TRUE);
5974
5975   // update list selection from "setup.vsync_mode"
5976   // (vsync_mode may have changed by re-creating the renderer)
5977   execSetupGraphics_setVsyncModes(TRUE);
5978
5979   execSetupGraphics_setScalingTypes();
5980   execSetupGraphics_setRenderingModes();
5981
5982   setup_mode = SETUP_MODE_GRAPHICS;
5983
5984   DrawSetupScreen();
5985
5986   // check if game speed is high enough for 60 Hz vsync to work
5987   if (check_game_speed)
5988     ModifyGameSpeedIfNeeded();
5989
5990   // window scaling may have changed at this point
5991   ChangeWindowScalingIfNeeded();
5992
5993   // window scaling quality may have changed at this point
5994   if (!strEqual(setup.window_scaling_quality, video.window_scaling_quality))
5995     SDLSetWindowScalingQuality(setup.window_scaling_quality);
5996
5997   // screen rendering mode may have changed at this point
5998   SDLSetScreenRenderingMode(setup.screen_rendering_mode);
5999
6000   int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
6001   int video_vsync_mode = video.vsync_mode;
6002
6003   // screen vsync mode may have changed at this point
6004   ChangeVsyncModeIfNeeded();
6005
6006   // check if setting vsync mode to selected value failed
6007   if (setup_vsync_mode != video_vsync_mode &&
6008       setup_vsync_mode != video.vsync_mode)
6009   {
6010     // changing vsync mode to selected value failed -- reset displayed value
6011     execSetupGraphics_setVsyncModes(TRUE);
6012
6013     Request("Setting VSync failed!", REQ_CONFIRM);
6014
6015     DrawSetupScreen();
6016   }
6017 }
6018
6019 static void execSetupChooseWindowSize(void)
6020 {
6021   setup_mode = SETUP_MODE_CHOOSE_WINDOW_SIZE;
6022
6023   DrawSetupScreen();
6024 }
6025
6026 static void execSetupChooseScalingType(void)
6027 {
6028   setup_mode = SETUP_MODE_CHOOSE_SCALING_TYPE;
6029
6030   DrawSetupScreen();
6031 }
6032
6033 static void execSetupChooseRenderingMode(void)
6034 {
6035   setup_mode = SETUP_MODE_CHOOSE_RENDERING;
6036
6037   DrawSetupScreen();
6038 }
6039
6040 static void execSetupChooseVsyncMode(void)
6041 {
6042   setup_mode = SETUP_MODE_CHOOSE_VSYNC;
6043
6044   DrawSetupScreen();
6045 }
6046
6047 static void execSetupChooseVolumeSimple(void)
6048 {
6049   setup_mode = SETUP_MODE_CHOOSE_VOLUME_SIMPLE;
6050
6051   DrawSetupScreen();
6052 }
6053
6054 static void execSetupChooseVolumeLoops(void)
6055 {
6056   setup_mode = SETUP_MODE_CHOOSE_VOLUME_LOOPS;
6057
6058   DrawSetupScreen();
6059 }
6060
6061 static void execSetupChooseVolumeMusic(void)
6062 {
6063   setup_mode = SETUP_MODE_CHOOSE_VOLUME_MUSIC;
6064
6065   DrawSetupScreen();
6066 }
6067
6068 static void execSetupSound(void)
6069 {
6070   if (volumes_simple == NULL)
6071   {
6072     boolean current_volume_simple_found = FALSE;
6073     int i;
6074
6075     for (i = 0; volumes_list[i].value != -1; i++)
6076     {
6077       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6078       char identifier[32], name[32];
6079       int value = volumes_list[i].value;
6080       char *text = volumes_list[i].text;
6081
6082       ti->node_top = &volumes_simple;
6083       ti->sort_priority = value;
6084
6085       sprintf(identifier, "%d", value);
6086       sprintf(name, "%s", text);
6087
6088       setString(&ti->identifier, identifier);
6089       setString(&ti->name, name);
6090       setString(&ti->name_sorting, name);
6091       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6092
6093       pushTreeInfo(&volumes_simple, ti);
6094
6095       if (value == setup.volume_simple)
6096         current_volume_simple_found = TRUE;
6097     }
6098
6099     if (!current_volume_simple_found)
6100     {
6101       // add entry for non-preset volume value
6102
6103       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6104       char identifier[32], name[32];
6105       int value = setup.volume_simple;
6106
6107       ti->node_top = &volumes_simple;
6108       ti->sort_priority = value;
6109
6110       sprintf(identifier, "%d", value);
6111       sprintf(name, "%d %% (Current)", value);
6112
6113       setString(&ti->identifier, identifier);
6114       setString(&ti->name, name);
6115       setString(&ti->name_sorting, name);
6116       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_SIMPLE);
6117
6118       pushTreeInfo(&volumes_simple, ti);
6119     }
6120
6121     // sort volume values to start with lowest volume value
6122     sortTreeInfo(&volumes_simple);
6123
6124     // set current volume value to configured volume value
6125     volume_simple_current =
6126       getTreeInfoFromIdentifier(volumes_simple,i_to_a(setup.volume_simple));
6127
6128     // if that fails, set current volume to reliable default value
6129     if (volume_simple_current == NULL)
6130       volume_simple_current =
6131         getTreeInfoFromIdentifier(volumes_simple, i_to_a(100));
6132
6133     // if that also fails, set current volume to first available value
6134     if (volume_simple_current == NULL)
6135       volume_simple_current = volumes_simple;
6136   }
6137
6138   if (volumes_loops == NULL)
6139   {
6140     boolean current_volume_loops_found = FALSE;
6141     int i;
6142
6143     for (i = 0; volumes_list[i].value != -1; i++)
6144     {
6145       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6146       char identifier[32], name[32];
6147       int value = volumes_list[i].value;
6148       char *text = volumes_list[i].text;
6149
6150       ti->node_top = &volumes_loops;
6151       ti->sort_priority = value;
6152
6153       sprintf(identifier, "%d", value);
6154       sprintf(name, "%s", text);
6155
6156       setString(&ti->identifier, identifier);
6157       setString(&ti->name, name);
6158       setString(&ti->name_sorting, name);
6159       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6160
6161       pushTreeInfo(&volumes_loops, ti);
6162
6163       if (value == setup.volume_loops)
6164         current_volume_loops_found = TRUE;
6165     }
6166
6167     if (!current_volume_loops_found)
6168     {
6169       // add entry for non-preset volume value
6170
6171       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6172       char identifier[32], name[32];
6173       int value = setup.volume_loops;
6174
6175       ti->node_top = &volumes_loops;
6176       ti->sort_priority = value;
6177
6178       sprintf(identifier, "%d", value);
6179       sprintf(name, "%d %% (Current)", value);
6180
6181       setString(&ti->identifier, identifier);
6182       setString(&ti->name, name);
6183       setString(&ti->name_sorting, name);
6184       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_LOOPS);
6185
6186       pushTreeInfo(&volumes_loops, ti);
6187     }
6188
6189     // sort volume values to start with lowest volume value
6190     sortTreeInfo(&volumes_loops);
6191
6192     // set current volume value to configured volume value
6193     volume_loops_current =
6194       getTreeInfoFromIdentifier(volumes_loops,i_to_a(setup.volume_loops));
6195
6196     // if that fails, set current volume to reliable default value
6197     if (volume_loops_current == NULL)
6198       volume_loops_current =
6199         getTreeInfoFromIdentifier(volumes_loops, i_to_a(100));
6200
6201     // if that also fails, set current volume to first available value
6202     if (volume_loops_current == NULL)
6203       volume_loops_current = volumes_loops;
6204   }
6205
6206   if (volumes_music == NULL)
6207   {
6208     boolean current_volume_music_found = FALSE;
6209     int i;
6210
6211     for (i = 0; volumes_list[i].value != -1; i++)
6212     {
6213       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6214       char identifier[32], name[32];
6215       int value = volumes_list[i].value;
6216       char *text = volumes_list[i].text;
6217
6218       ti->node_top = &volumes_music;
6219       ti->sort_priority = value;
6220
6221       sprintf(identifier, "%d", value);
6222       sprintf(name, "%s", text);
6223
6224       setString(&ti->identifier, identifier);
6225       setString(&ti->name, name);
6226       setString(&ti->name_sorting, name);
6227       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6228
6229       pushTreeInfo(&volumes_music, ti);
6230
6231       if (value == setup.volume_music)
6232         current_volume_music_found = TRUE;
6233     }
6234
6235     if (!current_volume_music_found)
6236     {
6237       // add entry for non-preset volume value
6238
6239       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6240       char identifier[32], name[32];
6241       int value = setup.volume_music;
6242
6243       ti->node_top = &volumes_music;
6244       ti->sort_priority = value;
6245
6246       sprintf(identifier, "%d", value);
6247       sprintf(name, "%d %% (Current)", value);
6248
6249       setString(&ti->identifier, identifier);
6250       setString(&ti->name, name);
6251       setString(&ti->name_sorting, name);
6252       setString(&ti->infotext, STR_SETUP_CHOOSE_VOLUME_MUSIC);
6253
6254       pushTreeInfo(&volumes_music, ti);
6255     }
6256
6257     // sort volume values to start with lowest volume value
6258     sortTreeInfo(&volumes_music);
6259
6260     // set current volume value to configured volume value
6261     volume_music_current =
6262       getTreeInfoFromIdentifier(volumes_music,i_to_a(setup.volume_music));
6263
6264     // if that fails, set current volume to reliable default value
6265     if (volume_music_current == NULL)
6266       volume_music_current =
6267         getTreeInfoFromIdentifier(volumes_music, i_to_a(100));
6268
6269     // if that also fails, set current volume to first available value
6270     if (volume_music_current == NULL)
6271       volume_music_current = volumes_music;
6272   }
6273
6274   setup.volume_simple = atoi(volume_simple_current->identifier);
6275   setup.volume_loops  = atoi(volume_loops_current->identifier);
6276   setup.volume_music  = atoi(volume_music_current->identifier);
6277
6278   // needed for displaying volume text instead of identifier
6279   volume_simple_text = volume_simple_current->name;
6280   volume_loops_text = volume_loops_current->name;
6281   volume_music_text = volume_music_current->name;
6282
6283   setup_mode = SETUP_MODE_SOUND;
6284
6285   DrawSetupScreen();
6286 }
6287
6288 static void execSetupChooseTouchControls(void)
6289 {
6290   setup_mode = SETUP_MODE_CHOOSE_TOUCH_CONTROL;
6291
6292   DrawSetupScreen();
6293 }
6294
6295 static void execSetupChooseMoveDistance(void)
6296 {
6297   setup_mode = SETUP_MODE_CHOOSE_MOVE_DISTANCE;
6298
6299   DrawSetupScreen();
6300 }
6301
6302 static void execSetupChooseDropDistance(void)
6303 {
6304   setup_mode = SETUP_MODE_CHOOSE_DROP_DISTANCE;
6305
6306   DrawSetupScreen();
6307 }
6308
6309 static void execSetupChooseTransparency(void)
6310 {
6311   setup_mode = SETUP_MODE_CHOOSE_TRANSPARENCY;
6312
6313   DrawSetupScreen();
6314 }
6315
6316 static void execSetupChooseGridXSize_0(void)
6317 {
6318   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_0;
6319
6320   DrawSetupScreen();
6321 }
6322
6323 static void execSetupChooseGridYSize_0(void)
6324 {
6325   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_0;
6326
6327   DrawSetupScreen();
6328 }
6329
6330 static void execSetupChooseGridXSize_1(void)
6331 {
6332   setup_mode = SETUP_MODE_CHOOSE_GRID_XSIZE_1;
6333
6334   DrawSetupScreen();
6335 }
6336
6337 static void execSetupChooseGridYSize_1(void)
6338 {
6339   setup_mode = SETUP_MODE_CHOOSE_GRID_YSIZE_1;
6340
6341   DrawSetupScreen();
6342 }
6343
6344 static void execSetupConfigureVirtualButtons(void)
6345 {
6346   setup_mode = SETUP_MODE_CONFIG_VIRT_BUTTONS;
6347
6348   ConfigureVirtualButtons();
6349
6350   setup_mode = SETUP_MODE_TOUCH;
6351
6352   DrawSetupScreen();
6353 }
6354
6355 static void execSetupTouch(void)
6356 {
6357   int i, j, k;
6358
6359   if (touch_controls == NULL)
6360   {
6361     for (i = 0; touch_controls_list[i].value != NULL; i++)
6362     {
6363       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6364       char identifier[32], name[32];
6365       char *value = touch_controls_list[i].value;
6366       char *text = touch_controls_list[i].text;
6367
6368       ti->node_top = &touch_controls;
6369       ti->sort_priority = i;
6370
6371       sprintf(identifier, "%s", value);
6372       sprintf(name, "%s", text);
6373
6374       setString(&ti->identifier, identifier);
6375       setString(&ti->name, name);
6376       setString(&ti->name_sorting, name);
6377       setString(&ti->infotext, STR_SETUP_CHOOSE_TOUCH_CONTROL);
6378
6379       pushTreeInfo(&touch_controls, ti);
6380     }
6381
6382     // sort touch control values to start with lowest touch control value
6383     sortTreeInfo(&touch_controls);
6384
6385     // set current touch control value to configured touch control value
6386     touch_control_current =
6387       getTreeInfoFromIdentifier(touch_controls, setup.touch.control_type);
6388
6389     // if that fails, set current touch control to reliable default value
6390     if (touch_control_current == NULL)
6391       touch_control_current =
6392         getTreeInfoFromIdentifier(touch_controls, TOUCH_CONTROL_DEFAULT);
6393
6394     // if that also fails, set current touch control to first available value
6395     if (touch_control_current == NULL)
6396       touch_control_current = touch_controls;
6397   }
6398
6399   if (move_distances == NULL)
6400   {
6401     for (i = 0; distances_list[i].value != -1; i++)
6402     {
6403       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6404       char identifier[32], name[32];
6405       int value = distances_list[i].value;
6406       char *text = distances_list[i].text;
6407
6408       ti->node_top = &move_distances;
6409       ti->sort_priority = value;
6410
6411       sprintf(identifier, "%d", value);
6412       sprintf(name, "%s", text);
6413
6414       setString(&ti->identifier, identifier);
6415       setString(&ti->name, name);
6416       setString(&ti->name_sorting, name);
6417       setString(&ti->infotext, STR_SETUP_CHOOSE_MOVE_DISTANCE);
6418
6419       pushTreeInfo(&move_distances, ti);
6420     }
6421
6422     // sort distance values to start with lowest distance value
6423     sortTreeInfo(&move_distances);
6424
6425     // set current distance value to configured distance value
6426     move_distance_current =
6427       getTreeInfoFromIdentifier(move_distances,
6428                                 i_to_a(setup.touch.move_distance));
6429
6430     // if that fails, set current distance to reliable default value
6431     if (move_distance_current == NULL)
6432       move_distance_current =
6433         getTreeInfoFromIdentifier(move_distances,
6434                                   i_to_a(TOUCH_MOVE_DISTANCE_DEFAULT));
6435
6436     // if that also fails, set current distance to first available value
6437     if (move_distance_current == NULL)
6438       move_distance_current = move_distances;
6439   }
6440
6441   if (drop_distances == NULL)
6442   {
6443     for (i = 0; distances_list[i].value != -1; i++)
6444     {
6445       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6446       char identifier[32], name[32];
6447       int value = distances_list[i].value;
6448       char *text = distances_list[i].text;
6449
6450       ti->node_top = &drop_distances;
6451       ti->sort_priority = value;
6452
6453       sprintf(identifier, "%d", value);
6454       sprintf(name, "%s", text);
6455
6456       setString(&ti->identifier, identifier);
6457       setString(&ti->name, name);
6458       setString(&ti->name_sorting, name);
6459       setString(&ti->infotext, STR_SETUP_CHOOSE_DROP_DISTANCE);
6460
6461       pushTreeInfo(&drop_distances, ti);
6462     }
6463
6464     // sort distance values to start with lowest distance value
6465     sortTreeInfo(&drop_distances);
6466
6467     // set current distance value to configured distance value
6468     drop_distance_current =
6469       getTreeInfoFromIdentifier(drop_distances,
6470                                 i_to_a(setup.touch.drop_distance));
6471
6472     // if that fails, set current distance to reliable default value
6473     if (drop_distance_current == NULL)
6474       drop_distance_current =
6475         getTreeInfoFromIdentifier(drop_distances,
6476                                   i_to_a(TOUCH_DROP_DISTANCE_DEFAULT));
6477
6478     // if that also fails, set current distance to first available value
6479     if (drop_distance_current == NULL)
6480       drop_distance_current = drop_distances;
6481   }
6482
6483   if (transparencies == NULL)
6484   {
6485     for (i = 0; transparencies_list[i].value != -1; i++)
6486     {
6487       TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6488       char identifier[32], name[32];
6489       int value = transparencies_list[i].value;
6490       char *text = transparencies_list[i].text;
6491
6492       ti->node_top = &transparencies;
6493       ti->sort_priority = value;
6494
6495       sprintf(identifier, "%d", value);
6496       sprintf(name, "%s", text);
6497
6498       setString(&ti->identifier, identifier);
6499       setString(&ti->name, name);
6500       setString(&ti->name_sorting, name);
6501       setString(&ti->infotext, STR_SETUP_CHOOSE_TRANSPARENCY);
6502
6503       pushTreeInfo(&transparencies, ti);
6504     }
6505
6506     // sort transparency values to start with lowest transparency value
6507     sortTreeInfo(&transparencies);
6508
6509     // set current transparency value to configured transparency value
6510     transparency_current =
6511       getTreeInfoFromIdentifier(transparencies,
6512                                 i_to_a(setup.touch.transparency));
6513
6514     // if that fails, set current transparency to reliable default value
6515     if (transparency_current == NULL)
6516       transparency_current =
6517         getTreeInfoFromIdentifier(transparencies,
6518                                   i_to_a(TOUCH_TRANSPARENCY_DEFAULT));
6519
6520     // if that also fails, set current transparency to first available value
6521     if (transparency_current == NULL)
6522       transparency_current = transparencies;
6523   }
6524
6525   for (i = 0; i < 2; i++)
6526   {
6527     for (j = 0; j < 2; j++)
6528     {
6529       if (grid_sizes[i][j] == NULL)
6530       {
6531         for (k = 0; grid_sizes_list[k].value != -1; k++)
6532         {
6533           TreeInfo *ti = newTreeInfo_setDefaults(TREE_TYPE_UNDEFINED);
6534           char identifier[32], name[32];
6535           int value = grid_sizes_list[k].value;
6536           char *text = grid_sizes_list[k].text;
6537
6538           ti->node_top = &grid_sizes[i][j];
6539           ti->sort_priority = value;
6540
6541           sprintf(identifier, "%d", value);
6542           sprintf(name, "%s", text);
6543
6544           setString(&ti->identifier, identifier);
6545           setString(&ti->name, name);
6546           setString(&ti->name_sorting, name);
6547           setString(&ti->infotext,
6548                     (i == 0 ?
6549                      (j == 0 ?
6550                       STR_SETUP_CHOOSE_GRID_XSIZE_0 :
6551                       STR_SETUP_CHOOSE_GRID_YSIZE_0) :
6552                      (j == 0 ?
6553                       STR_SETUP_CHOOSE_GRID_XSIZE_1 :
6554                       STR_SETUP_CHOOSE_GRID_YSIZE_1)));
6555
6556           pushTreeInfo(&grid_sizes[i][j], ti);
6557         }
6558
6559         // sort grid size values to start with lowest grid size value
6560         sortTreeInfo(&grid_sizes[i][j]);
6561
6562         // set current grid size value to configured grid size value
6563         grid_size_current[i][j] =
6564           getTreeInfoFromIdentifier(grid_sizes[i][j],
6565                                     i_to_a(j == 0 ?
6566                                            setup.touch.grid_xsize[i] :
6567                                            setup.touch.grid_ysize[i]));
6568
6569         // if that fails, set current grid size to reliable default value
6570         if (grid_size_current[i][j] == NULL)
6571           grid_size_current[i][j] =
6572             getTreeInfoFromIdentifier(grid_sizes[i][j],
6573                                       i_to_a(j == 0 ?
6574                                              DEFAULT_GRID_XSIZE(i) :
6575                                              DEFAULT_GRID_YSIZE(i)));
6576
6577         // if that also fails, set current grid size to first available value
6578         if (grid_size_current[i][j] == NULL)
6579           grid_size_current[i][j] = grid_sizes[i][j];
6580       }
6581     }
6582   }
6583
6584   setup.touch.control_type = touch_control_current->identifier;
6585   setup.touch.move_distance = atoi(move_distance_current->identifier);
6586   setup.touch.drop_distance = atoi(drop_distance_current->identifier);
6587   setup.touch.transparency = atoi(transparency_current->identifier);
6588
6589   for (i = 0; i < 2; i++)
6590   {
6591     setup.touch.grid_xsize[i] = atoi(grid_size_current[i][0]->identifier);
6592     setup.touch.grid_ysize[i] = atoi(grid_size_current[i][1]->identifier);
6593
6594     if (i == GRID_ACTIVE_NR())
6595     {
6596       overlay.grid_xsize = setup.touch.grid_xsize[i];
6597       overlay.grid_ysize = setup.touch.grid_ysize[i];
6598     }
6599   }
6600
6601   // needed for displaying value text instead of identifier
6602   touch_controls_text = touch_control_current->name;
6603   move_distance_text = move_distance_current->name;
6604   drop_distance_text = drop_distance_current->name;
6605   transparency_text = transparency_current->name;
6606
6607   for (i = 0; i < 2; i++)
6608     for (j = 0; j < 2; j++)
6609       grid_size_text[i][j] = grid_size_current[i][j]->name;
6610
6611   setup_mode = SETUP_MODE_TOUCH;
6612
6613   DrawSetupScreen();
6614 }
6615
6616 static void execSetupArtwork(void)
6617 {
6618   static ArtworkDirTree *gfx_last_valid = NULL;
6619   static ArtworkDirTree *snd_last_valid = NULL;
6620   static ArtworkDirTree *mus_last_valid = NULL;
6621
6622   // current artwork directory may be invalid (level group, parent link)
6623   if (!validLevelSeries(artwork.gfx_current))
6624     artwork.gfx_current = getFirstValidTreeInfoEntry(gfx_last_valid);
6625   if (!validLevelSeries(artwork.snd_current))
6626     artwork.snd_current = getFirstValidTreeInfoEntry(snd_last_valid);
6627   if (!validLevelSeries(artwork.mus_current))
6628     artwork.mus_current = getFirstValidTreeInfoEntry(mus_last_valid);
6629
6630   // store valid artwork directory information
6631   gfx_last_valid = artwork.gfx_current;
6632   snd_last_valid = artwork.snd_current;
6633   mus_last_valid = artwork.mus_current;
6634
6635 #if 0
6636   Debug("screens:execSetupArtwork", "'%s', '%s', '%s'",
6637         artwork.gfx_current->subdir,
6638         artwork.gfx_current->fullpath,
6639         artwork.gfx_current->basepath);
6640 #endif
6641
6642   setup.graphics_set = artwork.gfx_current->identifier;
6643   setup.sounds_set = artwork.snd_current->identifier;
6644   setup.music_set = artwork.mus_current->identifier;
6645
6646   // needed if last screen (setup choice) changed graphics, sounds or music
6647   ReloadCustomArtwork(0);
6648
6649   // needed for displaying artwork name instead of artwork identifier
6650   graphics_set_name = artwork.gfx_current->name;
6651   sounds_set_name = artwork.snd_current->name;
6652   music_set_name = artwork.mus_current->name;
6653
6654   setup_mode = SETUP_MODE_ARTWORK;
6655
6656   DrawSetupScreen();
6657 }
6658
6659 static void execSetupChooseGraphics(void)
6660 {
6661   setup_mode = SETUP_MODE_CHOOSE_GRAPHICS;
6662
6663   DrawSetupScreen();
6664 }
6665
6666 static void execSetupChooseSounds(void)
6667 {
6668   setup_mode = SETUP_MODE_CHOOSE_SOUNDS;
6669
6670   DrawSetupScreen();
6671 }
6672
6673 static void execSetupChooseMusic(void)
6674 {
6675   setup_mode = SETUP_MODE_CHOOSE_MUSIC;
6676
6677   DrawSetupScreen();
6678 }
6679
6680 static void execSetupInput(void)
6681 {
6682   setup_mode = SETUP_MODE_INPUT;
6683
6684   DrawSetupScreen();
6685 }
6686
6687 static void execSetupShortcuts(void)
6688 {
6689   setup_mode = SETUP_MODE_SHORTCUTS;
6690
6691   DrawSetupScreen();
6692 }
6693
6694 static void execSetupShortcuts1(void)
6695 {
6696   setup_mode = SETUP_MODE_SHORTCUTS_1;
6697
6698   DrawSetupScreen();
6699 }
6700
6701 static void execSetupShortcuts2(void)
6702 {
6703   setup_mode = SETUP_MODE_SHORTCUTS_2;
6704
6705   DrawSetupScreen();
6706 }
6707
6708 static void execSetupShortcuts3(void)
6709 {
6710   setup_mode = SETUP_MODE_SHORTCUTS_3;
6711
6712   DrawSetupScreen();
6713 }
6714
6715 static void execSetupShortcuts4(void)
6716 {
6717   setup_mode = SETUP_MODE_SHORTCUTS_4;
6718
6719   DrawSetupScreen();
6720 }
6721
6722 static void execSetupShortcuts5(void)
6723 {
6724   setup_mode = SETUP_MODE_SHORTCUTS_5;
6725
6726   DrawSetupScreen();
6727 }
6728
6729 static void execExitSetup(void)
6730 {
6731   SetGameStatus(GAME_MODE_MAIN);
6732
6733   DrawMainMenu();
6734 }
6735
6736 static void execSaveAndExitSetup(void)
6737 {
6738   SaveSetup();
6739   execExitSetup();
6740 }
6741
6742 static void execGadgetNetworkServer(void)
6743 {
6744   int gadget_id = SCREEN_CTRL_ID_NETWORK_SERVER;
6745   struct GadgetInfo *gi = screen_gadget[gadget_id];
6746
6747   if (strEqual(setup.network_server_hostname, STR_NETWORK_AUTO_DETECT))
6748     network_server_hostname[0] = '\0';
6749
6750   ModifyGadget(gi, GDI_TEXT_VALUE, network_server_hostname, GDI_END);
6751
6752   MapGadget(gi);
6753
6754   ClickOnGadget(gi, MB_LEFTBUTTON);
6755 }
6756
6757 static void execOfferUploadTapes(void)
6758 {
6759   OfferUploadTapes();
6760 }
6761
6762 static void ToggleNetworkModeIfNeeded(void)
6763 {
6764   int font_title = FONT_TITLE_1;
6765   int font_foot = FC_BLUE;
6766   int ystart  = mSY - SY + 16;
6767   int ybottom = mSY - SY + SYSIZE - 20;
6768   char *text = (setup.network_mode ? "Start Network" : "Stop Network");
6769
6770   if (setup.network_mode == network.enabled)
6771     return;
6772
6773   network.enabled = setup.network_mode;
6774
6775   FadeOut(REDRAW_ALL);
6776
6777   ClearField();
6778
6779   DrawTextSCentered(ystart, font_title, text);
6780
6781   FadeIn(REDRAW_ALL);
6782
6783   if (network.enabled)
6784     InitNetworkServer();
6785   else
6786     DisconnectFromNetworkServer();
6787
6788   DrawTextSCentered(ybottom, font_foot,
6789                     "Press any key or button for setup menu");
6790
6791   WaitForEventToContinue();
6792
6793   DrawSetupScreen();
6794 }
6795
6796 static void ToggleGameSpeedsListIfNeeded(void)
6797 {
6798   boolean using_game_speeds_extended = (game_speeds == game_speeds_extended);
6799
6800   if (setup.game_speed_extended == using_game_speeds_extended)
6801     return;
6802
6803   // try to match similar values when changing game speeds list
6804   if (setup.game_speed_extended)
6805     setup.game_frame_delay = (setup.game_frame_delay == 15 ? 16 :
6806                               setup.game_frame_delay == 30 ? 29 :
6807                               setup.game_frame_delay);
6808   else
6809     setup.game_frame_delay = (setup.game_frame_delay == 14 ? 15 :
6810                               setup.game_frame_delay == 16 ? 15 :
6811                               setup.game_frame_delay >= 29 ? 30 :
6812                               setup.game_frame_delay <= 10 ? 10 :
6813                               setup.game_frame_delay);
6814
6815   execSetupGame_setGameSpeeds(TRUE);
6816
6817   DrawSetupScreen();
6818 }
6819
6820 static void ModifyGameSpeedIfNeeded(void)
6821 {
6822   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6823       setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY)
6824     return;
6825
6826   char message[100];
6827   char *game_speed_text = "Fast";
6828   int game_speed_value = 15;
6829
6830   if (setup.game_speed_extended)
6831   {
6832     game_speed_text = "60 fps";
6833     game_speed_value = 16;
6834   }
6835
6836   sprintf(message, "Game speed set to %s for VSync to work!", game_speed_text);
6837
6838   // set game speed to existing list value that is fast enough for vsync
6839   setup.game_frame_delay = game_speed_value;
6840
6841   execSetupGame_setGameSpeeds(TRUE);
6842
6843   Request(message, REQ_CONFIRM);
6844 }
6845
6846 static void DisableVsyncIfNeeded(void)
6847 {
6848   if (strEqual(setup.vsync_mode, STR_VSYNC_MODE_OFF) ||
6849       (setup.game_frame_delay >= MIN_VSYNC_FRAME_DELAY &&
6850        setup.game_frame_delay <= MAX_VSYNC_FRAME_DELAY))
6851     return;
6852
6853   // disable vsync for the selected game speed to work
6854   setup.vsync_mode = STR_VSYNC_MODE_OFF;
6855
6856   execSetupGraphics_setVsyncModes(TRUE);
6857
6858   Request("VSync disabled for this game speed to work!", REQ_CONFIRM);
6859 }
6860
6861 static struct
6862 {
6863   void *value;
6864   void *related_value;
6865 } hide_related_entry_list[] =
6866 {
6867   { &setup.game_frame_delay,            execSetupChooseGameSpeed        },
6868   { &setup.game_frame_delay,            &game_speed_text                },
6869
6870   { &setup.scroll_delay_value,          execSetupChooseScrollDelay      },
6871   { &setup.scroll_delay_value,          &scroll_delay_text              },
6872
6873   { &setup.engine_snapshot_mode,        execSetupChooseSnapshotMode     },
6874   { &setup.engine_snapshot_mode,        &snapshot_mode_text             },
6875
6876   { &setup.window_scaling_percent,      execSetupChooseWindowSize       },
6877   { &setup.window_scaling_percent,      &window_size_text               },
6878
6879   { &setup.window_scaling_quality,      execSetupChooseScalingType      },
6880   { &setup.window_scaling_quality,      &scaling_type_text              },
6881
6882   { &setup.screen_rendering_mode,       execSetupChooseRenderingMode    },
6883   { &setup.screen_rendering_mode,       &rendering_mode_text            },
6884
6885   { &setup.vsync_mode,                  execSetupChooseVsyncMode        },
6886   { &setup.vsync_mode,                  &vsync_mode_text                },
6887
6888   { &setup.graphics_set,                execSetupChooseGraphics         },
6889   { &setup.graphics_set,                &graphics_set_name              },
6890
6891   { &setup.sounds_set,                  execSetupChooseSounds           },
6892   { &setup.sounds_set,                  &sounds_set_name                },
6893
6894   { &setup.music_set,                   execSetupChooseMusic            },
6895   { &setup.music_set,                   &music_set_name                 },
6896
6897   { &setup.volume_simple,               execSetupChooseVolumeSimple     },
6898   { &setup.volume_simple,               &volume_simple_text             },
6899
6900   { &setup.volume_loops,                execSetupChooseVolumeLoops      },
6901   { &setup.volume_loops,                &volume_loops_text              },
6902
6903   { &setup.volume_music,                execSetupChooseVolumeMusic      },
6904   { &setup.volume_music,                &volume_music_text              },
6905
6906   { &setup.touch.control_type,          execSetupChooseTouchControls    },
6907   { &setup.touch.control_type,          &touch_controls_text            },
6908
6909   { &setup.touch.move_distance,         execSetupChooseMoveDistance     },
6910   { &setup.touch.move_distance,         &move_distance_text             },
6911
6912   { &setup.touch.drop_distance,         execSetupChooseDropDistance     },
6913   { &setup.touch.drop_distance,         &drop_distance_text             },
6914
6915   { &setup.touch.transparency,          execSetupChooseTransparency     },
6916   { &setup.touch.transparency,          &transparency_text              },
6917
6918   { &setup.touch.grid_xsize[0],         execSetupChooseGridXSize_0      },
6919   { &setup.touch.grid_xsize[0],         &grid_size_text[0][0]           },
6920
6921   { &setup.touch.grid_ysize[0],         execSetupChooseGridYSize_0      },
6922   { &setup.touch.grid_ysize[0],         &grid_size_text[0][1]           },
6923
6924   { &setup.touch.grid_xsize[1],         execSetupChooseGridXSize_1      },
6925   { &setup.touch.grid_xsize[1],         &grid_size_text[1][0]           },
6926
6927   { &setup.touch.grid_ysize[1],         execSetupChooseGridYSize_1      },
6928   { &setup.touch.grid_ysize[1],         &grid_size_text[1][1]           },
6929
6930   { &setup.internal.menu_game,          execSetupGame                   },
6931   { &setup.internal.menu_engines,       execSetupEngines                },
6932   { &setup.internal.menu_editor,        execSetupEditor                 },
6933   { &setup.internal.menu_graphics,      execSetupGraphics               },
6934   { &setup.internal.menu_sound,         execSetupSound                  },
6935   { &setup.internal.menu_artwork,       execSetupArtwork                },
6936   { &setup.internal.menu_input,         execSetupInput                  },
6937   { &setup.internal.menu_touch,         execSetupTouch                  },
6938   { &setup.internal.menu_shortcuts,     execSetupShortcuts              },
6939   { &setup.internal.menu_exit,          execExitSetup                   },
6940   { &setup.internal.menu_save_and_exit, execSaveAndExitSetup            },
6941
6942   { NULL,                               NULL                            }
6943 };
6944
6945 void setHideRelatedSetupEntries(void)
6946 {
6947   int i;
6948
6949   for (i = 0; hide_related_entry_list[i].value != NULL; i++)
6950     if (hideSetupEntry(hide_related_entry_list[i].value))
6951       setHideSetupEntry(hide_related_entry_list[i].related_value);
6952 }
6953
6954 static struct TokenInfo setup_info_main[] =
6955 {
6956   { TYPE_ENTER_MENU,    execSetupGame,          STR_SETUP_GAME          },
6957   { TYPE_ENTER_MENU,    execSetupEngines,       STR_SETUP_ENGINES       },
6958   { TYPE_ENTER_MENU,    execSetupEditor,        STR_SETUP_EDITOR        },
6959   { TYPE_ENTER_MENU,    execSetupGraphics,      STR_SETUP_GRAPHICS      },
6960   { TYPE_ENTER_MENU,    execSetupSound,         STR_SETUP_SOUND         },
6961   { TYPE_ENTER_MENU,    execSetupArtwork,       STR_SETUP_ARTWORK       },
6962   { TYPE_ENTER_MENU,    execSetupInput,         STR_SETUP_INPUT         },
6963   { TYPE_ENTER_MENU,    execSetupTouch,         STR_SETUP_TOUCH         },
6964   { TYPE_ENTER_MENU,    execSetupShortcuts,     STR_SETUP_SHORTCUTS     },
6965   { TYPE_EMPTY,         NULL,                   ""                      },
6966   { TYPE_LEAVE_MENU,    execExitSetup,          STR_SETUP_EXIT          },
6967   { TYPE_LEAVE_MENU,    execSaveAndExitSetup,   STR_SETUP_SAVE_AND_EXIT },
6968
6969   { 0,                  NULL,                   NULL                    }
6970 };
6971
6972 static struct TokenInfo setup_info_game[] =
6973 {
6974   { TYPE_SWITCH,        &setup.team_mode,       "Team-Mode (Multi-Player):" },
6975   { TYPE_SWITCH,        &setup.network_mode,    "Network Multi-Player Mode:" },
6976   { TYPE_PLAYER,        &setup.network_player_nr,"Preferred Network Player:" },
6977   { TYPE_TEXT_INPUT,    execGadgetNetworkServer, "Network Server Hostname:" },
6978   { TYPE_STRING,        &network_server_text,   ""                      },
6979   { TYPE_SWITCH,        &setup.use_api_server,  "Use Highscore Server:" },
6980   { TYPE_SWITCH,        &setup.only_show_local_scores, "Only Show Local Scores:" },
6981   { TYPE_ENTER_LIST,    execOfferUploadTapes,   "Upload All Tapes to Server" },
6982   { TYPE_SWITCH,        &setup.multiple_users,  "Multiple Users/Teams:" },
6983   { TYPE_YES_NO,        &setup.input_on_focus,  "Only Move Focussed Player:" },
6984   { TYPE_SWITCH,        &setup.time_limit,      "Time Limit:"           },
6985   { TYPE_SWITCH,        &setup.handicap,        "Handicap:"             },
6986   { TYPE_SWITCH,        &setup.skip_levels,     "Skip Unsolved Levels:" },
6987   { TYPE_SWITCH,        &setup.increment_levels,"Increment Solved Levels:" },
6988   { TYPE_SWITCH,        &setup.auto_play_next_level,"Auto-play Next Level:" },
6989   { TYPE_SWITCH,        &setup.count_score_after_game,"Count Score After Game:" },
6990   { TYPE_SWITCH,        &setup.show_scores_after_game,"Show Scores After Game:" },
6991   { TYPE_YES_NO,        &setup.ask_on_game_over, "Ask on Game Over:"    },
6992   { TYPE_YES_NO,        &setup.ask_on_quit_game, "Ask on Quit Game:"    },
6993   { TYPE_YES_NO,        &setup.ask_on_quit_program, "Ask on Quit Program:" },
6994   { TYPE_SWITCH,        &setup.autorecord,      "Auto-Record Tapes:"    },
6995   { TYPE_ENTER_LIST,    execSetupChooseGameSpeed, "Game Speed:"         },
6996   { TYPE_STRING,        &game_speed_text,       ""                      },
6997   { TYPE_SWITCH,        &setup.game_speed_extended, "Game Speed Extended List:" },
6998 #if 1
6999   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7000   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7001 #endif
7002   { TYPE_ENTER_LIST, execSetupChooseSnapshotMode,"Game Engine Snapshot Mode:" },
7003   { TYPE_STRING,        &snapshot_mode_text,    ""                      },
7004   { TYPE_SWITCH,        &setup.show_load_save_buttons,"Show Load/Save Buttons:" },
7005   { TYPE_SWITCH,        &setup.show_undo_redo_buttons,"Show Undo/Redo Buttons:" },
7006   { TYPE_EMPTY,         NULL,                   ""                      },
7007   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7008
7009   { 0,                  NULL,                   NULL                    }
7010 };
7011
7012 static struct TokenInfo setup_info_engines[] =
7013 {
7014   { TYPE_HEADLINE,      NULL,                   "Emerald Mine"          },
7015   { TYPE_SWITCH,        &setup.forced_scroll_delay, "Scroll Delay:"     },
7016   { TYPE_ECS_AGA,       &setup.prefer_aga_graphics, "Amiga Graphics Chipset:" },
7017   { TYPE_SWITCH,        &setup.prefer_lowpass_sounds,"Low-Pass Filter Sounds:" },
7018   { TYPE_SWITCH,        &setup.prefer_extra_panel_items,"Show Dynamite and Keys:" },
7019   { TYPE_EMPTY,         NULL,                   ""                      },
7020   { TYPE_HEADLINE,      NULL,                   "Supaplex"              },
7021   { TYPE_SWITCH,        &setup.sp_show_border_elements, "Border Elements:" },
7022   { TYPE_EMPTY,         NULL,                   ""                      },
7023   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7024
7025   { 0,                  NULL,                   NULL                    }
7026 };
7027
7028 static struct TokenInfo setup_info_editor[] =
7029 {
7030 #if 0
7031   { TYPE_SWITCH,        &setup.editor.el_boulderdash,   "Boulder Dash:" },
7032   { TYPE_SWITCH,        &setup.editor.el_emerald_mine,  "Emerald Mine:" },
7033   { TYPE_SWITCH, &setup.editor.el_emerald_mine_club,    "Emerald Mine Club:" },
7034   { TYPE_SWITCH,        &setup.editor.el_more,          "Rocks'n'Diamonds:" },
7035   { TYPE_SWITCH,        &setup.editor.el_sokoban,       "Sokoban:"      },
7036   { TYPE_SWITCH,        &setup.editor.el_supaplex,      "Supaplex:"     },
7037   { TYPE_SWITCH,        &setup.editor.el_diamond_caves, "Diamond Caves II:" },
7038   { TYPE_SWITCH,        &setup.editor.el_dx_boulderdash,"DX-Boulderdash:" },
7039   { TYPE_SWITCH,        &setup.editor.el_chars,         "Text Characters:" },
7040   { TYPE_SWITCH, &setup.editor.el_steel_chars, "Text Characters (Steel):" },
7041 #endif
7042   { TYPE_SWITCH,        &setup.editor.el_classic,  "Classic Elements:" },
7043   { TYPE_SWITCH,        &setup.editor.el_custom,  "Custom & Group Elements:" },
7044 #if 0
7045   { TYPE_SWITCH,        &setup.editor.el_headlines,     "Headlines:"    },
7046 #endif
7047   { TYPE_SWITCH, &setup.editor.el_user_defined, "User defined element list:" },
7048   { TYPE_SWITCH,        &setup.editor.el_dynamic,  "Dynamic level elements:" },
7049   { TYPE_EMPTY,         NULL,                   ""                      },
7050 #if 0
7051   { TYPE_SWITCH,        &setup.editor.el_by_game,   "Show elements by game:" },
7052   { TYPE_SWITCH,        &setup.editor.el_by_type,   "Show elements by type:" },
7053   { TYPE_EMPTY,         NULL,                   ""                      },
7054 #endif
7055   { TYPE_SWITCH, &setup.editor.show_element_token,      "Show element token:" },
7056   { TYPE_EMPTY,         NULL,                   ""                      },
7057   { TYPE_SWITCH, &setup.editor.show_read_only_warning,  "Show read-only warning:" },
7058   { TYPE_EMPTY,         NULL,                   ""                      },
7059   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7060
7061   { 0,                  NULL,                   NULL                    }
7062 };
7063
7064 static struct TokenInfo setup_info_graphics[] =
7065 {
7066 #if !defined(PLATFORM_ANDROID)
7067   { TYPE_SWITCH,        &setup.fullscreen,      "Fullscreen:"           },
7068   { TYPE_ENTER_LIST,    execSetupChooseWindowSize, "Window Scaling:"    },
7069   { TYPE_STRING,        &window_size_text,      ""                      },
7070   { TYPE_ENTER_LIST,    execSetupChooseScalingType, "Anti-Aliasing:"    },
7071   { TYPE_STRING,        &scaling_type_text,     ""                      },
7072   { TYPE_ENTER_LIST,    execSetupChooseRenderingMode, "Special Rendering:" },
7073   { TYPE_STRING,        &rendering_mode_text,   ""                      },
7074 #endif
7075 #if 0
7076   { TYPE_ENTER_LIST,    execSetupChooseScrollDelay, "Scroll Delay:"     },
7077   { TYPE_STRING,        &scroll_delay_text,     ""                      },
7078 #endif
7079   { TYPE_ENTER_LIST,    execSetupChooseVsyncMode, "Vertical Sync (VSync):" },
7080   { TYPE_STRING,        &vsync_mode_text,       ""                      },
7081   { TYPE_SWITCH,        &setup.fade_screens,    "Fade Screens:"         },
7082   { TYPE_SWITCH,        &setup.quick_switch,    "Quick Player Focus Switch:" },
7083   { TYPE_SWITCH,        &setup.quick_doors,     "Quick Menu Doors:"     },
7084   { TYPE_SWITCH,        &setup.show_titlescreen,"Show Title Screens:"   },
7085   { TYPE_SWITCH,        &setup.toons,           "Show Menu Animations:" },
7086   { TYPE_SWITCH,        &setup.small_game_graphics, "Small Game Graphics:" },
7087   { TYPE_YES_NO_AUTO,   &setup.debug.xsn_mode,  debug_xsn_mode          },
7088   { TYPE_EMPTY,         NULL,                   ""                      },
7089   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7090
7091   { 0,                  NULL,                   NULL                    }
7092 };
7093
7094 static struct TokenInfo setup_info_sound[] =
7095 {
7096   { TYPE_SWITCH,        &setup.sound_simple,    "Sound Effects (Normal):"  },
7097   { TYPE_SWITCH,        &setup.sound_loops,     "Sound Effects (Looping):" },
7098   { TYPE_SWITCH,        &setup.sound_music,     "Music:"                },
7099   { TYPE_EMPTY,         NULL,                   ""                      },
7100   { TYPE_ENTER_LIST,    execSetupChooseVolumeSimple, "Sound Volume (Normal):" },
7101   { TYPE_STRING,        &volume_simple_text,    ""                      },
7102   { TYPE_ENTER_LIST,    execSetupChooseVolumeLoops, "Sound Volume (Looping):" },
7103   { TYPE_STRING,        &volume_loops_text,     ""                      },
7104   { TYPE_ENTER_LIST,    execSetupChooseVolumeMusic, "Music Volume:"     },
7105   { TYPE_STRING,        &volume_music_text,     ""                      },
7106   { TYPE_EMPTY,         NULL,                   ""                      },
7107   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7108
7109   { 0,                  NULL,                   NULL                    }
7110 };
7111
7112 static struct TokenInfo setup_info_artwork[] =
7113 {
7114   { TYPE_ENTER_LIST,    execSetupChooseGraphics,"Custom Graphics:"      },
7115   { TYPE_STRING,        &graphics_set_name,     ""                      },
7116   { TYPE_ENTER_LIST,    execSetupChooseSounds,  "Custom Sounds:"        },
7117   { TYPE_STRING,        &sounds_set_name,       ""                      },
7118   { TYPE_ENTER_LIST,    execSetupChooseMusic,   "Custom Music:"         },
7119   { TYPE_STRING,        &music_set_name,        ""                      },
7120   { TYPE_EMPTY,         NULL,                   ""                      },
7121   { TYPE_YES_NO_AUTO,&setup.override_level_graphics,"Override Level Graphics:"},
7122   { TYPE_YES_NO_AUTO,&setup.override_level_sounds,  "Override Level Sounds:"  },
7123   { TYPE_YES_NO_AUTO,&setup.override_level_music,   "Override Level Music:"   },
7124   { TYPE_EMPTY,         NULL,                   ""                      },
7125   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7126
7127   { 0,                  NULL,                   NULL                    }
7128 };
7129
7130 static struct TokenInfo setup_info_input[] =
7131 {
7132   { TYPE_SWITCH,        NULL,                   "Player:"               },
7133   { TYPE_SWITCH,        NULL,                   "Device:"               },
7134   { TYPE_SWITCH,        NULL,                   ""                      },
7135   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7136   { TYPE_EMPTY,         NULL,                   ""                      },
7137   { TYPE_EMPTY,         NULL,                   ""                      },
7138   { TYPE_EMPTY,         NULL,                   ""                      },
7139   { TYPE_EMPTY,         NULL,                   ""                      },
7140   { TYPE_EMPTY,         NULL,                   ""                      },
7141   { TYPE_EMPTY,         NULL,                   ""                      },
7142   { TYPE_EMPTY,         NULL,                   ""                      },
7143   { TYPE_EMPTY,         NULL,                   ""                      },
7144   { TYPE_SKIPPABLE,     NULL,                   ""                      },
7145   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7146
7147   { 0,                  NULL,                   NULL                    }
7148 };
7149
7150 static struct TokenInfo setup_info_touch[] =
7151 {
7152   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7153   { TYPE_STRING,        &touch_controls_text,   ""                      },
7154   { TYPE_EMPTY,         NULL,                   ""                      },
7155   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7156
7157   { 0,                  NULL,                   NULL                    }
7158 };
7159
7160 static struct TokenInfo setup_info_touch_virtual_buttons_0[] =
7161 {
7162   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7163   { TYPE_STRING,        &touch_controls_text,   ""                      },
7164   { TYPE_EMPTY,         NULL,                   ""                      },
7165   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_0, "Horizontal Buttons (Landscape):"   },
7166   { TYPE_STRING,        &grid_size_text[0][0],  ""                      },
7167   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_0, "Vertical Buttons (Landscape):"     },
7168   { TYPE_STRING,        &grid_size_text[0][1],  ""                      },
7169   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7170   { TYPE_STRING,        &transparency_text,     ""                      },
7171   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7172   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7173   { TYPE_EMPTY,         NULL,                   ""                      },
7174   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7175   { TYPE_EMPTY,         NULL,                   ""                      },
7176   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7177
7178   { 0,                  NULL,                   NULL                    }
7179 };
7180
7181 static struct TokenInfo setup_info_touch_virtual_buttons_1[] =
7182 {
7183   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7184   { TYPE_STRING,        &touch_controls_text,   ""                      },
7185   { TYPE_EMPTY,         NULL,                   ""                      },
7186   { TYPE_ENTER_LIST,    execSetupChooseGridXSize_1, "Horizontal Buttons (Portrait):"    },
7187   { TYPE_STRING,        &grid_size_text[1][0],  ""                      },
7188   { TYPE_ENTER_LIST,    execSetupChooseGridYSize_1, "Vertical Buttons (Portrait):"      },
7189   { TYPE_STRING,        &grid_size_text[1][1],  ""                      },
7190   { TYPE_ENTER_LIST,    execSetupChooseTransparency, "Button Transparency:" },
7191   { TYPE_STRING,        &transparency_text,     ""                      },
7192   { TYPE_SWITCH,        &setup.touch.draw_outlined, "Draw Buttons Outlined:" },
7193   { TYPE_SWITCH,        &setup.touch.draw_pressed, "Highlight Pressed Buttons:" },
7194   { TYPE_EMPTY,         NULL,                   ""                      },
7195   { TYPE_ENTER_LIST,    execSetupConfigureVirtualButtons, "Configure Virtual Buttons" },
7196   { TYPE_EMPTY,         NULL,                   ""                      },
7197   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7198
7199   { 0,                  NULL,                   NULL                    }
7200 };
7201
7202 static struct TokenInfo *setup_info_touch_virtual_buttons[] =
7203 {
7204   setup_info_touch_virtual_buttons_0,
7205   setup_info_touch_virtual_buttons_1
7206 };
7207
7208 static struct TokenInfo setup_info_touch_wipe_gestures[] =
7209 {
7210   { TYPE_ENTER_LIST,    execSetupChooseTouchControls, "Touch Control Type:" },
7211   { TYPE_STRING,        &touch_controls_text,   ""                      },
7212   { TYPE_EMPTY,         NULL,                   ""                      },
7213   { TYPE_ENTER_LIST,    execSetupChooseMoveDistance, "Move Trigger Distance:" },
7214   { TYPE_STRING,        &move_distance_text,    ""                      },
7215   { TYPE_ENTER_LIST,    execSetupChooseDropDistance, "Drop Trigger Distance:" },
7216   { TYPE_STRING,        &drop_distance_text,    ""                      },
7217   { TYPE_EMPTY,         NULL,                   ""                      },
7218   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7219
7220   { 0,                  NULL,                   NULL                    }
7221 };
7222
7223 static struct TokenInfo setup_info_shortcuts[] =
7224 {
7225   { TYPE_ENTER_MENU,    execSetupShortcuts1,    "Various Keys"          },
7226   { TYPE_ENTER_MENU,    execSetupShortcuts2,    "Player Focus"          },
7227   { TYPE_ENTER_MENU,    execSetupShortcuts3,    "Tape Buttons"          },
7228   { TYPE_ENTER_MENU,    execSetupShortcuts4,    "Sound & Music"         },
7229   { TYPE_ENTER_MENU,    execSetupShortcuts5,    "TAS Snap Keys"         },
7230   { TYPE_EMPTY,         NULL,                   ""                      },
7231   { TYPE_LEAVE_MENU,    execSetupMain,          "Back"                  },
7232
7233   { 0,                  NULL,                   NULL                    }
7234 };
7235
7236 static struct TokenInfo setup_info_shortcuts_1[] =
7237 {
7238   { TYPE_KEYTEXT,       NULL,           "Quick Save Game to Tape:",     },
7239   { TYPE_KEY,           &setup.shortcut.save_game, ""                   },
7240   { TYPE_KEYTEXT,       NULL,           "Quick Load Game from Tape:",   },
7241   { TYPE_KEY,           &setup.shortcut.load_game, ""                   },
7242   { TYPE_KEYTEXT,       NULL,           "Start Game & Toggle Pause:",   },
7243   { TYPE_KEY,           &setup.shortcut.toggle_pause, ""                },
7244   { TYPE_EMPTY,         NULL,                   ""                      },
7245   { TYPE_YES_NO,        &setup.ask_on_escape,   "Ask on 'Esc' Key:"     },
7246   { TYPE_YES_NO, &setup.ask_on_escape_editor,   "Ask on 'Esc' Key (Editor):" },
7247   { TYPE_EMPTY,         NULL,                   ""                      },
7248   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7249
7250   { 0,                  NULL,                   NULL                    }
7251 };
7252
7253 static struct TokenInfo setup_info_shortcuts_2[] =
7254 {
7255   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 1:",       },
7256   { TYPE_KEY,           &setup.shortcut.focus_player[0], ""             },
7257   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 2:",       },
7258   { TYPE_KEY,           &setup.shortcut.focus_player[1], ""             },
7259   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 3:",       },
7260   { TYPE_KEY,           &setup.shortcut.focus_player[2], ""             },
7261   { TYPE_KEYTEXT,       NULL,           "Set Focus to Player 4:",       },
7262   { TYPE_KEY,           &setup.shortcut.focus_player[3], ""             },
7263   { TYPE_KEYTEXT,       NULL,           "Set Focus to All Players:",    },
7264   { TYPE_KEY,           &setup.shortcut.focus_player_all, ""            },
7265   { TYPE_EMPTY,         NULL,                   ""                      },
7266   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7267
7268   { 0,                  NULL,                   NULL                    }
7269 };
7270
7271 static struct TokenInfo setup_info_shortcuts_3[] =
7272 {
7273   { TYPE_KEYTEXT,       NULL,                   "Eject Tape:",          },
7274   { TYPE_KEY,           &setup.shortcut.tape_eject, ""                  },
7275   { TYPE_KEYTEXT,       NULL,                   "Warp / Single Step:",  },
7276   { TYPE_KEY,           &setup.shortcut.tape_extra, ""                  },
7277   { TYPE_KEYTEXT,       NULL,                   "Stop Tape:",           },
7278   { TYPE_KEY,           &setup.shortcut.tape_stop, ""                   },
7279   { TYPE_KEYTEXT,       NULL,                   "Pause / Unpause Tape:",},
7280   { TYPE_KEY,           &setup.shortcut.tape_pause, ""                  },
7281   { TYPE_KEYTEXT,       NULL,                   "Record Tape:",         },
7282   { TYPE_KEY,           &setup.shortcut.tape_record, ""                 },
7283   { TYPE_KEYTEXT,       NULL,                   "Play Tape:",           },
7284   { TYPE_KEY,           &setup.shortcut.tape_play, ""                   },
7285   { TYPE_EMPTY,         NULL,                   ""                      },
7286   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7287
7288   { 0,                  NULL,                   NULL                    }
7289 };
7290
7291 static struct TokenInfo setup_info_shortcuts_4[] =
7292 {
7293   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Normal):", },
7294   { TYPE_KEY,           &setup.shortcut.sound_simple, ""                },
7295   { TYPE_KEYTEXT,       NULL,           "Toggle Sound Effects (Looping):", },
7296   { TYPE_KEY,           &setup.shortcut.sound_loops, ""                 },
7297   { TYPE_KEYTEXT,       NULL,           "Toggle Music:",                },
7298   { TYPE_KEY,           &setup.shortcut.sound_music, ""                 },
7299   { TYPE_EMPTY,         NULL,                   ""                      },
7300   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7301
7302   { 0,                  NULL,                   NULL                    }
7303 };
7304
7305 static struct TokenInfo setup_info_shortcuts_5[] =
7306 {
7307   { TYPE_KEYTEXT,       NULL,                   "Snap Left:",           },
7308   { TYPE_KEY,           &setup.shortcut.snap_left, ""                   },
7309   { TYPE_KEYTEXT,       NULL,                   "Snap Right:",          },
7310   { TYPE_KEY,           &setup.shortcut.snap_right, ""                  },
7311   { TYPE_KEYTEXT,       NULL,                   "Snap Up:",             },
7312   { TYPE_KEY,           &setup.shortcut.snap_up, ""                     },
7313   { TYPE_KEYTEXT,       NULL,                   "Snap Down:",           },
7314   { TYPE_KEY,           &setup.shortcut.snap_down, ""                   },
7315   { TYPE_EMPTY,         NULL,                   ""                      },
7316   { TYPE_LEAVE_MENU,    execSetupShortcuts,     "Back"                  },
7317
7318   { 0,                  NULL,                   NULL                    }
7319 };
7320
7321 static Key getSetupKey(void)
7322 {
7323   Key key = KSYM_UNDEFINED;
7324   boolean got_key_event = FALSE;
7325
7326   while (!got_key_event)
7327   {
7328     Event event;
7329
7330     if (NextValidEvent(&event))
7331     {
7332       switch (event.type)
7333       {
7334         case EVENT_KEYPRESS:
7335           {
7336             key = GetEventKey((KeyEvent *)&event, TRUE);
7337
7338             // press 'Escape' or 'Enter' to keep the existing key binding
7339             if (key == KSYM_Escape || key == KSYM_Return)
7340               key = KSYM_UNDEFINED;     // keep old value
7341
7342             got_key_event = TRUE;
7343           }
7344           break;
7345
7346         case EVENT_KEYRELEASE:
7347           key_joystick_mapping = 0;
7348           break;
7349
7350         default:
7351           HandleOtherEvents(&event);
7352           break;
7353       }
7354     }
7355
7356     BackToFront();
7357   }
7358
7359   return key;
7360 }
7361
7362 static int getSetupValueFont(int type, void *value)
7363 {
7364   if (type & TYPE_GHOSTED)
7365     return FONT_OPTION_OFF;
7366   else if (type & TYPE_KEY)
7367     return (type & TYPE_QUERY ? FONT_INPUT_1_ACTIVE : FONT_VALUE_1);
7368   else if (type & TYPE_STRING)
7369     return FONT_VALUE_2;
7370   else if (type & TYPE_ECS_AGA)
7371     return FONT_VALUE_1;
7372   else if (type & TYPE_BOOLEAN_STYLE)
7373     return (*(boolean *)value ? FONT_OPTION_ON : FONT_OPTION_OFF);
7374   else if (type & TYPE_YES_NO_AUTO)
7375     return (*(int *)value == AUTO  ? FONT_OPTION_ON :
7376             *(int *)value == FALSE ? FONT_OPTION_OFF : FONT_OPTION_ON);
7377   else if (type & TYPE_PLAYER)
7378     return FONT_VALUE_1;
7379   else
7380     return FONT_VALUE_1;
7381 }
7382
7383 static int getSetupValueFontNarrow(int type, int font_nr)
7384 {
7385   return (font_nr == FONT_VALUE_1    ? FONT_VALUE_NARROW :
7386           font_nr == FONT_OPTION_ON  ? FONT_OPTION_ON_NARROW :
7387           font_nr == FONT_OPTION_OFF ? FONT_OPTION_OFF_NARROW :
7388           font_nr);
7389 }
7390
7391 static void drawSetupValue(int screen_pos, int setup_info_pos_raw)
7392 {
7393   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7394   struct TokenInfo *si = &setup_info[si_pos];
7395   boolean font_draw_xoffset_modified = FALSE;
7396   boolean scrollbar_needed = (num_setup_info < max_setup_info);
7397   int font_draw_xoffset_old = -1;
7398   int xoffset = (scrollbar_needed ? -1 : 0);
7399   int menu_screen_value_xpos = MENU_SCREEN_VALUE_XPOS + xoffset;
7400   int menu_screen_max_xpos = MENU_SCREEN_MAX_XPOS + xoffset;
7401   int xpos = menu_screen_value_xpos;
7402   int ypos = MENU_SCREEN_START_YPOS + screen_pos;
7403   int startx = mSX + xpos * 32;
7404   int starty = mSY + ypos * 32;
7405   int type = si->type;
7406   void *value = si->value;
7407   char *value_string = getSetupValue(type, value);
7408   int font_nr_default = getSetupValueFont(type, value);
7409   int font_width_default = getFontWidth(font_nr_default);
7410   int font_nr = font_nr_default;
7411   int i;
7412
7413   if (value_string == NULL)
7414     return;
7415
7416   if (type & TYPE_KEY)
7417   {
7418     xpos = MENU_SCREEN_START_XPOS;
7419
7420     if (type & TYPE_QUERY)
7421       value_string = "<press key>";
7422   }
7423   else if (type & TYPE_STRING)
7424   {
7425     int max_value_len = (SXSIZE - 2 * TILEX) / font_width_default;
7426
7427     xpos = MENU_SCREEN_START_XPOS;
7428
7429     if (strlen(value_string) > max_value_len)
7430       value_string[max_value_len] = '\0';
7431   }
7432   else if (type & TYPE_YES_NO_AUTO)
7433   {
7434     xpos = menu_screen_value_xpos - 1;
7435   }
7436   else if (type & TYPE_PLAYER)
7437   {
7438     int displayed_player_nr = *(int *)value + 1;
7439
7440     value_string = getSetupValue(TYPE_INTEGER, (void *)&displayed_player_nr);
7441   }
7442
7443   startx = mSX + xpos * 32;
7444   starty = mSY + ypos * 32;
7445
7446   // special check if right-side setup values moved left due to scrollbar
7447   if (scrollbar_needed && xpos > MENU_SCREEN_START_XPOS)
7448   {
7449     int max_menu_text_length = 26;      // maximum text length for classic menu
7450     int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7451     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7452     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7453     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7454     int text_width = max_menu_text_length * getFontWidth(text_font_nr);
7455
7456     if (startx + font_xoffset < text_startx + text_width + text_font_xoffset)
7457     {
7458       // when using narrow font, left-shifting text "auto" not needed
7459       if (type & TYPE_YES_NO_AUTO)
7460         xpos += 1;
7461
7462       xpos += 1;
7463       startx = mSX + xpos * 32;
7464
7465       font_nr = getSetupValueFontNarrow(type, font_nr);
7466     }
7467   }
7468
7469   // downward compatibility correction for Juergen Bonhagen's menu settings
7470   if (setup_mode != SETUP_MODE_INPUT)
7471   {
7472     int max_menu_text_length_big = (menu_screen_value_xpos -
7473                                     MENU_SCREEN_START_XPOS);
7474     int max_menu_text_length_medium = max_menu_text_length_big * 2;
7475     int check_font_nr = FONT_OPTION_ON; // known font that needs correction
7476     int font1_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
7477     int font2_xoffset = getFontBitmapInfo(check_font_nr)->draw_xoffset;
7478     int text_startx = mSX + MENU_SCREEN_START_XPOS * 32;
7479     int text_font_nr = getMenuTextFont(FONT_MENU_2);
7480     int text_font_xoffset = getFontBitmapInfo(text_font_nr)->draw_xoffset;
7481     int text_width = max_menu_text_length_medium * getFontWidth(text_font_nr);
7482     boolean correct_font_draw_xoffset = FALSE;
7483
7484     if (xpos == MENU_SCREEN_START_XPOS &&
7485         startx + font1_xoffset < text_startx + text_font_xoffset)
7486       correct_font_draw_xoffset = TRUE;
7487
7488     if (xpos == menu_screen_value_xpos &&
7489         startx + font2_xoffset < text_startx + text_width + text_font_xoffset)
7490       correct_font_draw_xoffset = TRUE;
7491
7492     // check if setup value would overlap with setup text when printed
7493     // (this can happen for extreme/wrong values for font draw offset)
7494     if (correct_font_draw_xoffset)
7495     {
7496       font_draw_xoffset_old = getFontBitmapInfo(font_nr)->draw_xoffset;
7497       font_draw_xoffset_modified = TRUE;
7498
7499       if (type & TYPE_KEY)
7500         getFontBitmapInfo(font_nr)->draw_xoffset += 2 * getFontWidth(font_nr);
7501       else if (!(type & TYPE_STRING))
7502         getFontBitmapInfo(font_nr)->draw_xoffset = text_font_xoffset + 20 -
7503           max_menu_text_length_medium * (16 - getFontWidth(text_font_nr));
7504     }
7505   }
7506
7507   for (i = 0; i <= menu_screen_max_xpos - xpos; i++)
7508     DrawText(startx + i * font_width_default, starty, " ", font_nr_default);
7509
7510   DrawText(startx, starty, value_string, font_nr);
7511
7512   if (type & TYPE_PLAYER)
7513   {
7514     struct FontBitmapInfo *font = getFontBitmapInfo(font_nr);
7515     int player_nr = *(int *)value;
7516     int xoff = font->draw_xoffset + getFontWidth(font_nr);
7517     int yoff = font->draw_yoffset + (getFontHeight(font_nr) - TILEY) / 2;
7518     int startx2 = startx + xoff;
7519     int starty2 = starty + yoff;
7520
7521     if (DrawingOnBackground(startx2, starty2))
7522       ClearRectangleOnBackground(drawto, startx2, starty2, TILEX, TILEY);
7523
7524     DrawFixedGraphicThruMaskExt(drawto, startx2, starty2,
7525                                 PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7526   }
7527
7528   if (font_draw_xoffset_modified)
7529     getFontBitmapInfo(font_nr)->draw_xoffset = font_draw_xoffset_old;
7530 }
7531
7532 static void changeSetupValue(int screen_pos, int setup_info_pos_raw, int dx)
7533 {
7534   int si_pos = (setup_info_pos_raw < 0 ? screen_pos : setup_info_pos_raw);
7535   struct TokenInfo *si = &setup_info[si_pos];
7536
7537   if (si->type & TYPE_BOOLEAN_STYLE)
7538   {
7539     *(boolean *)si->value ^= TRUE;
7540   }
7541   else if (si->type & TYPE_YES_NO_AUTO)
7542   {
7543     *(int *)si->value =
7544       (dx == -1 ?
7545        (*(int *)si->value == AUTO ? TRUE :
7546         *(int *)si->value == TRUE ? FALSE : AUTO) :
7547        (*(int *)si->value == TRUE ? AUTO :
7548         *(int *)si->value == AUTO ? FALSE : TRUE));
7549   }
7550   else if (si->type & TYPE_KEY)
7551   {
7552     Key key;
7553
7554     si->type |= TYPE_QUERY;
7555     drawSetupValue(screen_pos, setup_info_pos_raw);
7556     si->type &= ~TYPE_QUERY;
7557
7558     key = getSetupKey();
7559     if (key != KSYM_UNDEFINED)
7560       *(Key *)si->value = key;
7561   }
7562   else if (si->type & TYPE_PLAYER)
7563   {
7564     int player_nr = *(int *)si->value;
7565
7566     if (dx)
7567       player_nr += dx;
7568     else
7569       player_nr = Request("Choose player", REQ_PLAYER) - 1;
7570
7571     *(int *)si->value = MIN(MAX(0, player_nr), MAX_PLAYERS - 1);
7572   }
7573
7574   drawSetupValue(screen_pos, setup_info_pos_raw);
7575
7576   // fullscreen state may have changed at this point
7577   if (si->value == &setup.fullscreen)
7578     ToggleFullscreenIfNeeded();
7579
7580   // network mode may have changed at this point
7581   if (si->value == &setup.network_mode)
7582     ToggleNetworkModeIfNeeded();
7583
7584   // API server mode may have changed at this point
7585   if (si->value == &setup.use_api_server)
7586     runtime.use_api_server = setup.use_api_server;
7587
7588   // game speed list may have changed at this point
7589   if (si->value == &setup.game_speed_extended)
7590     ToggleGameSpeedsListIfNeeded();
7591 }
7592
7593 static struct TokenInfo *getSetupInfoFinal(struct TokenInfo *setup_info_orig)
7594 {
7595   static struct TokenInfo *setup_info_final = NULL;
7596   int list_size = 0;
7597   int list_pos = 0;
7598   int i;
7599
7600   // determine maximum list size of target list
7601   while (setup_info_orig[list_size++].type != 0);
7602
7603   // free, allocate and clear memory for target list
7604   checked_free(setup_info_final);
7605   setup_info_final = checked_calloc(list_size * sizeof(struct TokenInfo));
7606
7607   // copy setup info list without setup entries marked as hidden
7608   for (i = 0; setup_info_orig[i].type != 0; i++)
7609   {
7610     // skip setup entries configured to be hidden
7611     if (hideSetupEntry(setup_info_orig[i].value))
7612       continue;
7613
7614     // skip skippable setup entries if screen is lower than usual
7615     if (SCR_FIELDY < SCR_FIELDY_DEFAULT &&
7616         setup_info_orig[i].type == TYPE_SKIPPABLE)
7617       continue;
7618
7619     setup_info_final[list_pos++] = setup_info_orig[i];
7620   }
7621
7622   return setup_info_final;
7623 }
7624
7625 static void DrawSetupScreen_Generic(void)
7626 {
7627   int fade_mask = REDRAW_FIELD;
7628   boolean redraw_all = FALSE;
7629   char *title_string = NULL;
7630   int i;
7631
7632   if (CheckFadeAll())
7633     fade_mask = REDRAW_ALL;
7634
7635   UnmapAllGadgets();
7636   FadeMenuSoundsAndMusic();
7637
7638   FreeScreenGadgets();
7639   CreateScreenGadgets();
7640
7641   if (redraw_mask & REDRAW_ALL)
7642     redraw_all = TRUE;
7643
7644   FadeOut(fade_mask);
7645
7646   // needed if different viewport properties defined for setup screen
7647   ChangeViewportPropertiesIfNeeded();
7648
7649   SetMainBackgroundImage(IMG_BACKGROUND_SETUP);
7650
7651   ClearField();
7652
7653   OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
7654
7655   if (setup_mode == SETUP_MODE_MAIN)
7656   {
7657     setup_info = setup_info_main;
7658     title_string = STR_SETUP_MAIN;
7659   }
7660   else if (setup_mode == SETUP_MODE_GAME)
7661   {
7662     setup_info = setup_info_game;
7663     title_string = STR_SETUP_GAME;
7664   }
7665   else if (setup_mode == SETUP_MODE_ENGINES)
7666   {
7667     setup_info = setup_info_engines;
7668     title_string = STR_SETUP_ENGINES;
7669   }
7670   else if (setup_mode == SETUP_MODE_EDITOR)
7671   {
7672     setup_info = setup_info_editor;
7673     title_string = STR_SETUP_EDITOR;
7674   }
7675   else if (setup_mode == SETUP_MODE_GRAPHICS)
7676   {
7677     setup_info = setup_info_graphics;
7678     title_string = STR_SETUP_GRAPHICS;
7679   }
7680   else if (setup_mode == SETUP_MODE_SOUND)
7681   {
7682     setup_info = setup_info_sound;
7683     title_string = STR_SETUP_SOUND;
7684   }
7685   else if (setup_mode == SETUP_MODE_ARTWORK)
7686   {
7687     setup_info = setup_info_artwork;
7688     title_string = STR_SETUP_ARTWORK;
7689   }
7690   else if (setup_mode == SETUP_MODE_TOUCH)
7691   {
7692     setup_info = setup_info_touch;
7693     title_string = STR_SETUP_TOUCH;
7694
7695     if (strEqual(setup.touch.control_type, TOUCH_CONTROL_VIRTUAL_BUTTONS))
7696       setup_info = setup_info_touch_virtual_buttons[GRID_ACTIVE_NR()];
7697     else if (strEqual(setup.touch.control_type, TOUCH_CONTROL_WIPE_GESTURES))
7698       setup_info = setup_info_touch_wipe_gestures;
7699   }
7700   else if (setup_mode == SETUP_MODE_SHORTCUTS)
7701   {
7702     setup_info = setup_info_shortcuts;
7703     title_string = STR_SETUP_SHORTCUTS;
7704   }
7705   else if (setup_mode == SETUP_MODE_SHORTCUTS_1)
7706   {
7707     setup_info = setup_info_shortcuts_1;
7708     title_string = STR_SETUP_SHORTCUTS;
7709   }
7710   else if (setup_mode == SETUP_MODE_SHORTCUTS_2)
7711   {
7712     setup_info = setup_info_shortcuts_2;
7713     title_string = STR_SETUP_SHORTCUTS;
7714   }
7715   else if (setup_mode == SETUP_MODE_SHORTCUTS_3)
7716   {
7717     setup_info = setup_info_shortcuts_3;
7718     title_string = STR_SETUP_SHORTCUTS;
7719   }
7720   else if (setup_mode == SETUP_MODE_SHORTCUTS_4)
7721   {
7722     setup_info = setup_info_shortcuts_4;
7723     title_string = STR_SETUP_SHORTCUTS;
7724   }
7725   else if (setup_mode == SETUP_MODE_SHORTCUTS_5)
7726   {
7727     setup_info = setup_info_shortcuts_5;
7728     title_string = STR_SETUP_SHORTCUTS;
7729   }
7730
7731   // use modified setup info without setup entries marked as hidden
7732   setup_info = getSetupInfoFinal(setup_info);
7733
7734   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, title_string);
7735
7736   // determine maximal number of setup entries that can be displayed on screen
7737   num_setup_info = 0;
7738   for (i = 0; setup_info[i].type != 0 && i < NUM_MENU_ENTRIES_ON_SCREEN; i++)
7739     num_setup_info++;
7740
7741   // determine maximal number of setup entries available for this setup screen
7742   max_setup_info = 0;
7743   for (i = 0; setup_info[i].type != 0; i++)
7744     max_setup_info++;
7745
7746   HandleSetupScreen_Generic(0, 0, 0, 0, MB_MENU_INITIALIZE);
7747
7748   MapScreenGadgets(max_setup_info);
7749
7750   if (redraw_all)
7751     redraw_mask = fade_mask = REDRAW_ALL;
7752
7753   DrawMaskedBorder(fade_mask);
7754
7755   FadeIn(fade_mask);
7756 }
7757
7758 void HandleSetupScreen_Generic(int mx, int my, int dx, int dy, int button)
7759 {
7760   menu_info = setup_info;
7761
7762   HandleMenuScreen(mx, my, dx, dy, button,
7763                    setup_mode, num_setup_info, max_setup_info);
7764 }
7765
7766 static void DrawSetupScreen_Input(void)
7767 {
7768   int i;
7769
7770   FadeOut(REDRAW_FIELD);
7771
7772   ClearField();
7773
7774   setup_info = getSetupInfoFinal(setup_info_input);
7775
7776   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, STR_SETUP_INPUT);
7777
7778   for (i = 0; setup_info[i].type != 0; i++)
7779   {
7780     if (setup_info[i].type & (TYPE_ENTER_MENU|TYPE_ENTER_LIST))
7781       initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
7782     else if (setup_info[i].type & (TYPE_LEAVE_MENU|TYPE_LEAVE_LIST))
7783       initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
7784     else if (setup_info[i].type & ~TYPE_SKIP_ENTRY)
7785       initCursor(i, IMG_MENU_BUTTON);
7786
7787     DrawCursorAndText_Setup(i, -1, FALSE);
7788   }
7789
7790   // create gadgets for setup input menu screen
7791   FreeScreenGadgets();
7792   CreateScreenGadgets();
7793
7794   // map gadgets for setup input menu screen
7795   MapScreenMenuGadgets(SCREEN_MASK_INPUT);
7796
7797   HandleSetupScreen_Input(0, 0, 0, 0, MB_MENU_INITIALIZE);
7798
7799   FadeIn(REDRAW_FIELD);
7800 }
7801
7802 static void setJoystickDeviceToNr(char *device_name, int device_nr)
7803 {
7804   if (device_name == NULL)
7805     return;
7806
7807   if (device_nr < 0 || device_nr >= MAX_PLAYERS)
7808     device_nr = 0;
7809
7810   if (strlen(device_name) > 1)
7811   {
7812     char c1 = device_name[strlen(device_name) - 1];
7813     char c2 = device_name[strlen(device_name) - 2];
7814
7815     if (c1 >= '0' && c1 <= '9' && !(c2 >= '0' && c2 <= '9'))
7816       device_name[strlen(device_name) - 1] = '0' + (char)(device_nr % 10);
7817   }
7818   else
7819     strncpy(device_name, getDeviceNameFromJoystickNr(device_nr),
7820             strlen(device_name));
7821 }
7822
7823 static void drawPlayerSetupInputInfo(int player_nr, boolean active)
7824 {
7825   int i;
7826   static struct SetupKeyboardInfo custom_key;
7827   static struct
7828   {
7829     Key *key;
7830     char *text;
7831   } custom[] =
7832   {
7833     { &custom_key.left,  "Axis/Pad Left"  },
7834     { &custom_key.right, "Axis/Pad Right" },
7835     { &custom_key.up,    "Axis/Pad Up"    },
7836     { &custom_key.down,  "Axis/Pad Down"  },
7837     { &custom_key.snap,  "Button 1/A/X"   },
7838     { &custom_key.drop,  "Button 2/B/Y"   }
7839   };
7840   static char *joystick_name[MAX_PLAYERS] =
7841   {
7842     "Joystick1",
7843     "Joystick2",
7844     "Joystick3",
7845     "Joystick4"
7846   };
7847   int font_nr_menu = (active ? FONT_MENU_1_ACTIVE : FONT_MENU_1);
7848   int font_nr_info = FONT_MENU_1;
7849   int font_nr_name = FONT_VALUE_OLD;
7850   int font_nr_on   = FONT_VALUE_1;
7851   int font_nr_off  = FONT_VALUE_OLD;
7852   int pos = 4;
7853
7854   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
7855   {
7856     font_nr_info = FONT_MENU_2;
7857     font_nr_on   = FONT_VALUE_NARROW;
7858     font_nr_off  = FONT_VALUE_OLD_NARROW;
7859   }
7860
7861   custom_key = setup.input[player_nr].key;
7862
7863   DrawText(mSX + 11 * 32, mSY + 2 * 32, int2str(player_nr + 1, 1),
7864            FONT_INPUT_1_ACTIVE);
7865
7866   ClearRectangleOnBackground(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7867                              TILEX, TILEY);
7868   DrawFixedGraphicThruMaskExt(drawto, mSX + 8 * TILEX, mSY + 2 * TILEY,
7869                               PLAYER_NR_GFX(IMG_PLAYER_1, player_nr), 0);
7870
7871   if (setup.input[player_nr].use_joystick)
7872   {
7873     char *device_name = setup.input[player_nr].joy.device_name;
7874     int joystick_nr = getJoystickNrFromDeviceName(device_name);
7875     boolean joystick_active = CheckJoystickOpened(joystick_nr);
7876     char *text = joystick_name[joystick_nr];
7877     int font_nr = (joystick_active ? font_nr_on : font_nr_off);
7878
7879     DrawText(mSX + 8 * 32, mSY + 3 * 32, text, font_nr);
7880     DrawText(mSX + 32, mSY + 4 * 32, "Configure", font_nr_menu);
7881   }
7882   else
7883   {
7884     DrawText(mSX + 8 * 32, mSY + 3 * 32, "Keyboard ", font_nr_on);
7885     DrawText(mSX + 1 * 32, mSY + 4 * 32, "Customize", font_nr_menu);
7886   }
7887
7888   if (SCR_FIELDY >= SCR_FIELDY_DEFAULT)
7889     DrawText(mSX + 32, mSY + 5 * 32, "Actual Settings:", font_nr_info);
7890   else
7891     pos = 3;
7892
7893   drawCursorXY(1, pos + 0, IMG_MENU_BUTTON_LEFT);
7894   drawCursorXY(1, pos + 1, IMG_MENU_BUTTON_RIGHT);
7895   drawCursorXY(1, pos + 2, IMG_MENU_BUTTON_UP);
7896   drawCursorXY(1, pos + 3, IMG_MENU_BUTTON_DOWN);
7897
7898   DrawText(mSX + 2 * 32, mSY + (pos + 2) * 32, ":", font_nr_name);
7899   DrawText(mSX + 2 * 32, mSY + (pos + 3) * 32, ":", font_nr_name);
7900   DrawText(mSX + 2 * 32, mSY + (pos + 4) * 32, ":", font_nr_name);
7901   DrawText(mSX + 2 * 32, mSY + (pos + 5) * 32, ":", font_nr_name);
7902   DrawText(mSX + 1 * 32, mSY + (pos + 6) * 32, "Snap Field:", font_nr_name);
7903   DrawText(mSX + 1 * 32, mSY + (pos + 8) * 32, "Drop Element:", font_nr_name);
7904
7905   for (i = 0; i < 6; i++)
7906   {
7907     int ypos = (pos + 2) + i + (i > 3 ? i - 3 : 0);
7908
7909     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7910              "              ", font_nr_on);
7911     DrawText(mSX + 3 * 32, mSY + ypos * 32,
7912              (setup.input[player_nr].use_joystick ?
7913               custom[i].text :
7914               getKeyNameFromKey(*custom[i].key)), font_nr_on);
7915   }
7916 }
7917
7918 static int input_player_nr = 0;
7919
7920 static void HandleSetupScreen_Input_Player(int step, int direction)
7921 {
7922   int old_player_nr = input_player_nr;
7923   int new_player_nr;
7924
7925   new_player_nr = old_player_nr + step * direction;
7926   if (new_player_nr < 0)
7927     new_player_nr = 0;
7928   if (new_player_nr > MAX_PLAYERS - 1)
7929     new_player_nr = MAX_PLAYERS - 1;
7930
7931   if (new_player_nr != old_player_nr)
7932   {
7933     input_player_nr = new_player_nr;
7934
7935     drawPlayerSetupInputInfo(input_player_nr, FALSE);
7936   }
7937 }
7938
7939 void HandleSetupScreen_Input(int mx, int my, int dx, int dy, int button)
7940 {
7941   static int choice = 0;
7942   int x = 0;
7943   int y = choice;
7944   int pos_start  = SETUPINPUT_SCREEN_POS_START;
7945   int pos_empty1 = SETUPINPUT_SCREEN_POS_EMPTY1;
7946   int pos_empty2 = SETUPINPUT_SCREEN_POS_EMPTY2;
7947   int pos_end    = SETUPINPUT_SCREEN_POS_END;
7948
7949   if (SCR_FIELDY < SCR_FIELDY_DEFAULT)
7950   {
7951     int i;
7952
7953     for (i = 0; setup_info_input[i].type != 0; i++)
7954     {
7955       // adjust menu structure according to skipped setup entries
7956       if (setup_info_input[i].type == TYPE_SKIPPABLE)
7957       {
7958         pos_empty2--;
7959         pos_end--;
7960       }
7961     }
7962   }
7963
7964   if (button == MB_MENU_INITIALIZE)
7965   {
7966     // input setup menu may have changed size due to graphics configuration
7967     if (choice >= pos_empty1)
7968       choice = pos_end;
7969
7970     drawPlayerSetupInputInfo(input_player_nr, (choice == 2));
7971
7972     DrawCursorAndText_Setup(choice, -1, TRUE);
7973
7974     return;
7975   }
7976   else if (button == MB_MENU_LEAVE)
7977   {
7978     setup_mode = SETUP_MODE_MAIN;
7979     DrawSetupScreen();
7980     InitJoysticks();
7981
7982     return;
7983   }
7984
7985   if (mx || my)         // mouse input
7986   {
7987     x = (mx - mSX) / 32;
7988     y = (my - mSY) / 32 - MENU_SCREEN_START_YPOS;
7989   }
7990   else if (dx || dy)    // keyboard input
7991   {
7992     if (dx && choice == 0)
7993       x = (dx < 0 ? 10 : 12);
7994     else if ((dx && choice == 1) ||
7995              (dx == -1 && choice == pos_end))
7996       button = MB_MENU_CHOICE;
7997     else if (dy)
7998       y = choice + dy;
7999
8000     if (y >= pos_empty1 && y <= pos_empty2)
8001       y = (dy > 0 ? pos_empty2 + 1 : pos_empty1 - 1);
8002   }
8003
8004   if (y == 0 && dx != 0 && button)
8005   {
8006     HandleSetupScreen_Input_Player(1, dx < 0 ? -1 : +1);
8007   }
8008   else if (IN_VIS_FIELD(x, y) &&        // (does not use "IN_VIS_MENU()" yet)
8009            y >= pos_start && y <= pos_end &&
8010            !(y >= pos_empty1 && y <= pos_empty2))
8011   {
8012     if (button)
8013     {
8014       if (y != choice)
8015       {
8016         DrawCursorAndText_Setup(choice, -1, FALSE);
8017         DrawCursorAndText_Setup(y, -1, TRUE);
8018
8019         drawPlayerSetupInputInfo(input_player_nr, (y == 2));
8020
8021         choice = y;
8022       }
8023     }
8024     else
8025     {
8026       if (y == 1)
8027       {
8028         char *device_name = setup.input[input_player_nr].joy.device_name;
8029
8030         if (!setup.input[input_player_nr].use_joystick)
8031         {
8032           int new_device_nr = (dx >= 0 ? 0 : MAX_PLAYERS - 1);
8033
8034           setJoystickDeviceToNr(device_name, new_device_nr);
8035           setup.input[input_player_nr].use_joystick = TRUE;
8036         }
8037         else
8038         {
8039           int device_nr = getJoystickNrFromDeviceName(device_name);
8040           int new_device_nr = device_nr + (dx >= 0 ? +1 : -1);
8041
8042           if (new_device_nr < 0 || new_device_nr >= MAX_PLAYERS)
8043             setup.input[input_player_nr].use_joystick = FALSE;
8044           else
8045             setJoystickDeviceToNr(device_name, new_device_nr);
8046         }
8047
8048         drawPlayerSetupInputInfo(input_player_nr, FALSE);
8049       }
8050       else if (y == 2)
8051       {
8052         if (setup.input[input_player_nr].use_joystick)
8053           ConfigureJoystick(input_player_nr);
8054         else
8055           CustomizeKeyboard(input_player_nr);
8056       }
8057       else if (y == pos_end)
8058       {
8059         InitJoysticks();
8060
8061         FadeSetLeaveMenu();
8062
8063         setup_mode = SETUP_MODE_MAIN;
8064         DrawSetupScreen();
8065       }
8066     }
8067   }
8068 }
8069
8070 static boolean CustomizeKeyboardMain(int player_nr)
8071 {
8072   int i;
8073   int step_nr;
8074   boolean finished = FALSE;
8075   static struct SetupKeyboardInfo custom_key;
8076   static struct
8077   {
8078     Key *key;
8079     char *text;
8080   } customize_step[] =
8081   {
8082     { &custom_key.left,  "Move Left"    },
8083     { &custom_key.right, "Move Right"   },
8084     { &custom_key.up,    "Move Up"      },
8085     { &custom_key.down,  "Move Down"    },
8086     { &custom_key.snap,  "Snap Field"   },
8087     { &custom_key.drop,  "Drop Element" }
8088   };
8089   int font_nr_old = FONT_VALUE_OLD;
8090   int font_nr_new = FONT_VALUE_1;
8091   boolean success = FALSE;
8092
8093   if (SCR_FIELDX < SCR_FIELDX_DEFAULT)
8094   {
8095     font_nr_old = FONT_VALUE_OLD_NARROW;
8096     font_nr_new = FONT_VALUE_NARROW;
8097   }
8098
8099   // read existing key bindings from player setup
8100   custom_key = setup.input[player_nr].key;
8101
8102   FadeSetEnterMenu();
8103   FadeOut(REDRAW_FIELD);
8104
8105   ClearField();
8106
8107   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Keyboard Input");
8108
8109   step_nr = 0;
8110   DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8111            customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8112   DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8113            "Key:", FONT_INPUT_1_ACTIVE);
8114   DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8115            getKeyNameFromKey(*customize_step[step_nr].key), font_nr_old);
8116
8117   FadeIn(REDRAW_FIELD);
8118
8119   while (!finished)
8120   {
8121     Event event;
8122
8123     if (NextValidEvent(&event))
8124     {
8125       switch (event.type)
8126       {
8127         case EVENT_KEYPRESS:
8128           {
8129             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8130
8131             // press 'Escape' to abort and keep the old key bindings
8132             if (key == KSYM_Escape)
8133             {
8134               FadeSkipNextFadeIn();
8135
8136               finished = TRUE;
8137
8138               break;
8139             }
8140
8141             // press 'Enter' to keep the existing key binding
8142             if (key == KSYM_Return)
8143               key = *customize_step[step_nr].key;
8144
8145             // check if key already used
8146             for (i = 0; i < step_nr; i++)
8147               if (*customize_step[i].key == key)
8148                 break;
8149             if (i < step_nr)
8150               break;
8151
8152             // got new key binding
8153             *customize_step[step_nr].key = key;
8154             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8155                      "             ", font_nr_new);
8156             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8157                      getKeyNameFromKey(key), font_nr_new);
8158             step_nr++;
8159
8160             // un-highlight last query
8161             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1)) * 32,
8162                      customize_step[step_nr - 1].text, FONT_MENU_1);
8163             DrawText(mSX, mSY + (2 + 2 * (step_nr - 1) + 1) * 32,
8164                      "Key:", FONT_MENU_1);
8165
8166             // all keys configured
8167             if (step_nr == 6)
8168             {
8169               finished = TRUE;
8170               success = TRUE;
8171
8172               break;
8173             }
8174
8175             // query next key binding
8176             DrawText(mSX, mSY + (2 + 2 * step_nr) * 32,
8177                      customize_step[step_nr].text, FONT_INPUT_1_ACTIVE);
8178             DrawText(mSX, mSY + (2 + 2 * step_nr + 1) * 32,
8179                      "Key:", FONT_INPUT_1_ACTIVE);
8180             DrawText(mSX + 4 * 32, mSY + (2 + 2 * step_nr + 1) * 32,
8181                      getKeyNameFromKey(*customize_step[step_nr].key),
8182                      font_nr_old);
8183           }
8184           break;
8185
8186         case EVENT_KEYRELEASE:
8187           key_joystick_mapping = 0;
8188           break;
8189
8190         default:
8191           HandleOtherEvents(&event);
8192           break;
8193       }
8194     }
8195
8196     BackToFront();
8197   }
8198
8199   // write new key bindings back to player setup, if successfully finished
8200   if (success)
8201     setup.input[player_nr].key = custom_key;
8202
8203   return success;
8204 }
8205
8206 void CustomizeKeyboard(int player_nr)
8207 {
8208   boolean success = CustomizeKeyboardMain(player_nr);
8209
8210   if (success)
8211   {
8212     int font_nr = FONT_TITLE_1;
8213     int font_height = getFontHeight(font_nr);
8214     int ypos1 = SYSIZE / 2 - font_height * 2;
8215     int ypos2 = SYSIZE / 2 - font_height * 1;
8216     unsigned int wait_frame_delay = 0;
8217     unsigned int wait_frame_delay_value = 2000;
8218
8219     ResetDelayCounter(&wait_frame_delay);
8220
8221     ClearField();
8222
8223     DrawTextSCentered(ypos1, font_nr, "Keyboard");
8224     DrawTextSCentered(ypos2, font_nr, "configured!");
8225
8226     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8227       BackToFront();
8228
8229     ClearEventQueue();
8230   }
8231
8232   DrawSetupScreen_Input();
8233 }
8234
8235 // game controller mapping generator by Gabriel Jacobo <gabomdq@gmail.com>
8236
8237 #define MARKER_BUTTON           1
8238 #define MARKER_AXIS_X           2
8239 #define MARKER_AXIS_Y           3
8240
8241 static boolean ConfigureJoystickMapButtonsAndAxes(SDL_Joystick *joystick)
8242 {
8243   static boolean bitmaps_initialized = FALSE;
8244   boolean screen_initialized = FALSE;
8245   static Bitmap *controller, *button, *axis_x, *axis_y;
8246   char *name;
8247   boolean success = TRUE;
8248   boolean done = FALSE, next = FALSE;
8249   Event event;
8250   int alpha = 200, alpha_step = -1;
8251   int alpha_ticks = 0;
8252   char mapping[4096], temp[256];
8253   int font_name = MENU_SETUP_FONT_TITLE;
8254   int font_info = MENU_SETUP_FONT_TEXT;
8255   int spacing_name = menu.line_spacing_setup[SETUP_MODE_INPUT];
8256   int spacing_line = menu.line_spacing_setup[SETUP_MODE_INPUT];
8257   int spacing_para = menu.paragraph_spacing_setup[SETUP_MODE_INPUT];
8258   int ystep_name = getMenuTextStep(spacing_name, font_name);
8259   int ystep_line = getMenuTextStep(spacing_line, font_info);
8260   int ystep_para = getMenuTextStep(spacing_para, font_info);
8261   int i, j;
8262
8263   struct
8264   {
8265     int x, y;
8266     int marker;
8267     char *field;
8268     int axis, button, hat, hat_value;
8269     char mapping[4096];
8270   }
8271   *step, *prev_step, steps[] =
8272   {
8273     { 356, 155, MARKER_BUTTON, "a",             },
8274     { 396, 122, MARKER_BUTTON, "b",             },
8275     { 320, 125, MARKER_BUTTON, "x",             },
8276     { 358,  95, MARKER_BUTTON, "y",             },
8277     { 162, 125, MARKER_BUTTON, "back",          },
8278     { 216, 125, MARKER_BUTTON, "guide",         },
8279     { 271, 125, MARKER_BUTTON, "start",         },
8280     { 110, 200, MARKER_BUTTON, "dpleft",        },
8281     { 146, 228, MARKER_BUTTON, "dpdown",        },
8282     { 178, 200, MARKER_BUTTON, "dpright",       },
8283     { 146, 172, MARKER_BUTTON, "dpup",          },
8284     {  50,  40, MARKER_BUTTON, "leftshoulder",  },
8285     {  88, -10, MARKER_AXIS_Y, "lefttrigger",   },
8286     { 382,  40, MARKER_BUTTON, "rightshoulder", },
8287     { 346, -10, MARKER_AXIS_Y, "righttrigger",  },
8288     {  73, 141, MARKER_BUTTON, "leftstick",     },
8289     { 282, 210, MARKER_BUTTON, "rightstick",    },
8290     {  73, 141, MARKER_AXIS_X, "leftx",         },
8291     {  73, 141, MARKER_AXIS_Y, "lefty",         },
8292     { 282, 210, MARKER_AXIS_X, "rightx",        },
8293     { 282, 210, MARKER_AXIS_Y, "righty",        },
8294   };
8295
8296   unsigned int event_frame_delay = 0;
8297   unsigned int event_frame_delay_value = GAME_FRAME_DELAY;
8298
8299   ResetDelayCounter(&event_frame_delay);
8300
8301   if (!bitmaps_initialized)
8302   {
8303     controller = LoadCustomImage("joystick/controller.png");
8304     button     = LoadCustomImage("joystick/button.png");
8305     axis_x     = LoadCustomImage("joystick/axis_x.png");
8306     axis_y     = LoadCustomImage("joystick/axis_y.png");
8307
8308     bitmaps_initialized = TRUE;
8309   }
8310
8311   name = getFormattedJoystickName(SDL_JoystickName(joystick));
8312
8313 #if DEBUG_JOYSTICKS
8314   // print info about the joystick we are watching
8315   Debug("joystick", "watching joystick %d: (%s)",
8316         SDL_JoystickInstanceID(joystick), name);
8317   Debug("joystick", "joystick has %d axes, %d hats, %d balls, and %d buttons",
8318         SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
8319         SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
8320 #endif
8321
8322   // initialize mapping with GUID and name
8323   SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, sizeof(temp));
8324
8325   snprintf(mapping, sizeof(mapping), "%s,%s,platform:%s,",
8326            temp, name, SDL_GetPlatform());
8327
8328   // loop through all steps (buttons and axes), getting joystick events
8329   for (i = 0; i < SDL_arraysize(steps) && !done;)
8330   {
8331     Bitmap *marker = button;    // initialize with reliable default value
8332
8333     step = &steps[i];
8334     strcpy(step->mapping, mapping);
8335     step->axis = -1;
8336     step->button = -1;
8337     step->hat = -1;
8338     step->hat_value = -1;
8339
8340     marker = (step->marker == MARKER_BUTTON ? button :
8341               step->marker == MARKER_AXIS_X ? axis_x :
8342               step->marker == MARKER_AXIS_Y ? axis_y : marker);
8343
8344     next = FALSE;
8345
8346     while (!done && !next)
8347     {
8348       alpha += alpha_step * (int)(SDL_GetTicks() - alpha_ticks) / 5;
8349       alpha_ticks = SDL_GetTicks();
8350
8351       if (alpha >= 255)
8352       {
8353         alpha = 255;
8354         alpha_step = -1;
8355       }
8356       else if (alpha < 128)
8357       {
8358         alpha = 127;
8359         alpha_step = 1;
8360       }
8361
8362       int controller_x = SX + (SXSIZE - controller->width) / 2;
8363       int controller_y = SY + ystep_line;
8364
8365       int marker_x = controller_x + step->x;
8366       int marker_y = controller_y + step->y;
8367
8368       int ystart1 = mSY - 2 * SY + controller_y + controller->height;
8369       int ystart2 = ystart1 + ystep_name + ystep_line;
8370
8371       ClearField();
8372
8373       DrawTextSCentered(ystart1, font_name, name);
8374
8375       DrawTextSCentered(ystart2, font_info,
8376                         "Press buttons and move axes on");
8377       ystart2 += ystep_line;
8378       DrawTextSCentered(ystart2, font_info,
8379                         "your controller when indicated.");
8380       ystart2 += ystep_line;
8381       DrawTextSCentered(ystart2, font_info,
8382                         "(Your controller may look different.)");
8383       ystart2 += ystep_para;
8384
8385 #if defined(PLATFORM_ANDROID)
8386       DrawTextSCentered(ystart2, font_info,
8387                         "To correct a mistake,");
8388       ystart2 += ystep_line;
8389       DrawTextSCentered(ystart2, font_info,
8390                         "press the 'back' button.");
8391       ystart2 += ystep_line;
8392       DrawTextSCentered(ystart2, font_info,
8393                         "To skip a button or axis,");
8394       ystart2 += ystep_line;
8395       DrawTextSCentered(ystart2, font_info,
8396                         "press the 'menu' button.");
8397 #else
8398       DrawTextSCentered(ystart2, font_info,
8399                         "To correct a mistake,");
8400       ystart2 += ystep_line;
8401       DrawTextSCentered(ystart2, font_info,
8402                         "press the 'backspace' key.");
8403       ystart2 += ystep_line;
8404       DrawTextSCentered(ystart2, font_info,
8405                         "To skip a button or axis,");
8406       ystart2 += ystep_line;
8407       DrawTextSCentered(ystart2, font_info,
8408                         "press the 'return' key.");
8409       ystart2 += ystep_line;
8410       DrawTextSCentered(ystart2, font_info,
8411                         "To exit, press the 'escape' key.");
8412 #endif
8413
8414       BlitBitmapMasked(controller, drawto, 0, 0,
8415                        controller->width, controller->height,
8416                        controller_x, controller_y);
8417
8418       SDL_SetSurfaceBlendMode(marker->surface_masked, SDL_BLENDMODE_BLEND);
8419       SDL_SetSurfaceAlphaMod(marker->surface_masked, alpha);
8420
8421       BlitBitmapMasked(marker, drawto, 0, 0,
8422                        marker->width, marker->height,
8423                        marker_x, marker_y);
8424
8425       if (!screen_initialized)
8426         FadeIn(REDRAW_FIELD);
8427       else
8428         BackToFront();
8429
8430       screen_initialized = TRUE;
8431
8432       while (NextValidEvent(&event))
8433       {
8434         switch (event.type)
8435         {
8436           case SDL_JOYAXISMOTION:
8437             if (event.jaxis.value > 20000 ||
8438                 event.jaxis.value < -20000)
8439             {
8440               for (j = 0; j < i; j++)
8441                 if (steps[j].axis == event.jaxis.axis)
8442                   break;
8443
8444               if (j == i)
8445               {
8446                 if (step->marker != MARKER_AXIS_X &&
8447                     step->marker != MARKER_AXIS_Y)
8448                   break;
8449
8450                 step->axis = event.jaxis.axis;
8451                 strcat(mapping, step->field);
8452                 snprintf(temp, sizeof(temp), ":a%u,", event.jaxis.axis);
8453                 strcat(mapping, temp);
8454                 i++;
8455                 next = TRUE;
8456               }
8457             }
8458
8459             break;
8460
8461           case SDL_JOYHATMOTION:
8462             // ignore centering; we're probably just coming back
8463             // to the center from the previous item we set
8464             if (event.jhat.value == SDL_HAT_CENTERED)
8465               break;
8466
8467             for (j = 0; j < i; j++)
8468               if (steps[j].hat == event.jhat.hat &&
8469                   steps[j].hat_value == event.jhat.value)
8470                 break;
8471
8472             if (j == i)
8473             {
8474               step->hat = event.jhat.hat;
8475               step->hat_value = event.jhat.value;
8476               strcat(mapping, step->field);
8477               snprintf(temp, sizeof(temp), ":h%u.%u,",
8478                        event.jhat.hat, event.jhat.value );
8479               strcat(mapping, temp);
8480               i++;
8481               next = TRUE;
8482             }
8483
8484             break;
8485
8486           case SDL_JOYBALLMOTION:
8487             break;
8488
8489           case SDL_JOYBUTTONUP:
8490             for (j = 0; j < i; j++)
8491               if (steps[j].button == event.jbutton.button)
8492                 break;
8493
8494             if (j == i)
8495             {
8496               step->button = event.jbutton.button;
8497               strcat(mapping, step->field);
8498               snprintf(temp, sizeof(temp), ":b%u,", event.jbutton.button);
8499               strcat(mapping, temp);
8500               i++;
8501               next = TRUE;
8502             }
8503
8504             break;
8505
8506           case SDL_FINGERDOWN:
8507           case SDL_MOUSEBUTTONDOWN:
8508             // skip this step
8509             i++;
8510             next = TRUE;
8511
8512             break;
8513
8514           case SDL_KEYDOWN:
8515             if (event.key.keysym.sym == KSYM_BackSpace ||
8516                 event.key.keysym.sym == KSYM_Back)
8517             {
8518               if (i == 0)
8519               {
8520                 // leave screen
8521                 success = FALSE;
8522                 done = TRUE;
8523
8524                 break;
8525               }
8526
8527               // undo this step
8528               prev_step = &steps[i - 1];
8529               strcpy(mapping, prev_step->mapping);
8530               i--;
8531               next = TRUE;
8532
8533               break;
8534             }
8535
8536             if (event.key.keysym.sym == KSYM_space ||
8537                 event.key.keysym.sym == KSYM_Return ||
8538                 event.key.keysym.sym == KSYM_Menu)
8539             {
8540               // skip this step
8541               i++;
8542               next = TRUE;
8543
8544               break;
8545             }
8546
8547             if (event.key.keysym.sym == KSYM_Escape)
8548             {
8549               // leave screen
8550               success = FALSE;
8551               done = TRUE;
8552             }
8553
8554             break;
8555
8556           case SDL_QUIT:
8557             program.exit_function(0);
8558             break;
8559
8560           default:
8561             break;
8562         }
8563
8564         // do not handle events for longer than standard frame delay period
8565         if (DelayReached(&event_frame_delay, event_frame_delay_value))
8566           break;
8567       }
8568     }
8569   }
8570
8571   if (success)
8572   {
8573 #if DEBUG_JOYSTICKS
8574     Debug("joystick", "New game controller mapping:\n\n%s\n\n", mapping);
8575 #endif
8576
8577     // activate mapping for this game
8578     SDL_GameControllerAddMapping(mapping);
8579
8580     // save mapping to personal mappings
8581     SaveSetup_AddGameControllerMapping(mapping);
8582   }
8583
8584   // wait until the last pending event was removed from event queue
8585   while (NextValidEvent(&event));
8586
8587   return success;
8588 }
8589
8590 static int ConfigureJoystickMain(int player_nr)
8591 {
8592   char *device_name = setup.input[player_nr].joy.device_name;
8593   int joystick_nr = getJoystickNrFromDeviceName(device_name);
8594   boolean joystick_active = CheckJoystickOpened(joystick_nr);
8595   int success = FALSE;
8596   int i;
8597
8598   if (joystick.status == JOYSTICK_NOT_AVAILABLE)
8599     return JOYSTICK_NOT_AVAILABLE;
8600
8601   if (!joystick_active || !setup.input[player_nr].use_joystick)
8602     return JOYSTICK_NOT_AVAILABLE;
8603
8604   FadeSetEnterMenu();
8605   FadeOut(REDRAW_FIELD);
8606
8607   // close all joystick devices (potentially opened as game controllers)
8608   for (i = 0; i < SDL_NumJoysticks(); i++)
8609     SDLCloseJoystick(i);
8610
8611   // open joystick device as plain joystick to configure as game controller
8612   SDL_Joystick *joystick = SDL_JoystickOpen(joystick_nr);
8613
8614   // as the joystick was successfully opened before, this should not happen
8615   if (joystick == NULL)
8616     return FALSE;
8617
8618   // create new game controller mapping (buttons and axes) for joystick device
8619   success = ConfigureJoystickMapButtonsAndAxes(joystick);
8620
8621   // close joystick (and maybe re-open as configured game controller later)
8622   SDL_JoystickClose(joystick);
8623
8624   // re-open all joystick devices (potentially as game controllers)
8625   for (i = 0; i < SDL_NumJoysticks(); i++)
8626     SDLOpenJoystick(i);
8627
8628   // clear all joystick input actions for all joystick devices
8629   SDLClearJoystickState();
8630
8631   return (success ? JOYSTICK_CONFIGURED : JOYSTICK_NOT_CONFIGURED);
8632 }
8633
8634 void ConfigureJoystick(int player_nr)
8635 {
8636   boolean state = ConfigureJoystickMain(player_nr);
8637
8638   if (state != JOYSTICK_NOT_CONFIGURED)
8639   {
8640     boolean success = (state == JOYSTICK_CONFIGURED);
8641     char message1[MAX_OUTPUT_LINESIZE + 1];
8642     char *message2 = (success ? "configured!" : "not available!");
8643     char *device_name = setup.input[player_nr].joy.device_name;
8644     int nr = getJoystickNrFromDeviceName(device_name) + 1;
8645     int font_nr = FONT_TITLE_1;
8646     int font_height = getFontHeight(font_nr);
8647     int ypos1 = SYSIZE / 2 - font_height * 2;
8648     int ypos2 = SYSIZE / 2 - font_height * 1;
8649     unsigned int wait_frame_delay = 0;
8650     unsigned int wait_frame_delay_value = 2000;
8651
8652     ResetDelayCounter(&wait_frame_delay);
8653
8654     ClearField();
8655
8656     sprintf(message1, "Joystick %d", nr);
8657
8658     DrawTextSCentered(ypos1, font_nr, message1);
8659     DrawTextSCentered(ypos2, font_nr, message2);
8660
8661     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8662       BackToFront();
8663
8664     ClearEventQueue();
8665   }
8666
8667   DrawSetupScreen_Input();
8668 }
8669
8670 static void MapScreenMenuGadgets_OverlayTouchButtons(int y)
8671 {
8672   if (y < video.screen_height / 3)
8673   {
8674     // remap touch gadgets to access upper part of the screen
8675     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8676     MapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8677   }
8678   else if (y > 2 * video.screen_height / 3)
8679   {
8680     // remap touch gadgets to access lower part of the screen
8681     MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8682     UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH2);
8683   }
8684 }
8685
8686 static boolean ConfigureVirtualButtonsMain(void)
8687 {
8688   static char *customize_step_text[] =
8689   {
8690     "Move Left",
8691     "Move Right",
8692     "Move Up",
8693     "Move Down",
8694     "Snap Field",
8695     "Drop Element"
8696   };
8697   char grid_button[] =
8698   {
8699     CHAR_GRID_BUTTON_LEFT,
8700     CHAR_GRID_BUTTON_RIGHT,
8701     CHAR_GRID_BUTTON_UP,
8702     CHAR_GRID_BUTTON_DOWN,
8703     CHAR_GRID_BUTTON_SNAP,
8704     CHAR_GRID_BUTTON_DROP
8705   };
8706   enum
8707   {
8708     ACTION_NONE,
8709     ACTION_ESCAPE,
8710     ACTION_BACK,
8711     ACTION_NEXT
8712   };
8713   int font_nr = FONT_INPUT_1_ACTIVE;
8714   int font_height = getFontHeight(font_nr);
8715   int ypos1 = SYSIZE / 2 - font_height * 2;
8716   int ypos2 = SYSIZE / 2 - font_height * 1;
8717   boolean success = FALSE;
8718   boolean finished = FALSE;
8719   int step_nr = 0;
8720   char grid_button_draw = CHAR_GRID_BUTTON_NONE;
8721   char grid_button_old[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8722   char grid_button_tmp[MAX_GRID_XSIZE][MAX_GRID_YSIZE];
8723   boolean set_grid_button = FALSE;
8724   int nr = GRID_ACTIVE_NR();
8725   int x, y;
8726
8727   for (x = 0; x < MAX_GRID_XSIZE; x++)
8728     for (y = 0; y < MAX_GRID_YSIZE; y++)
8729       grid_button_old[x][y] = grid_button_tmp[x][y] = overlay.grid_button[x][y];
8730
8731   overlay.grid_button_highlight = grid_button[step_nr];
8732
8733   UnmapAllGadgets();
8734
8735   FadeSetEnterMenu();
8736   FadeOut(REDRAW_FIELD);
8737
8738   ClearField();
8739
8740   DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8741   DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8742   DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8743
8744   FadeIn(REDRAW_FIELD);
8745
8746   SetOverlayShowGrid(TRUE);
8747
8748   // map gadgets for setup touch buttons menu screen
8749   MapScreenMenuGadgets(SCREEN_MASK_TOUCH);
8750
8751   while (!finished)
8752   {
8753     Event event;
8754
8755     while (NextValidEvent(&event))
8756     {
8757       int action = ACTION_NONE;
8758
8759       // ---------- handle events and set the resulting action ----------
8760
8761       switch (event.type)
8762       {
8763         case EVENT_USER:
8764           {
8765             UserEvent *user = (UserEvent *)&event;
8766             int id = user->value1;
8767
8768             action = (id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE ||
8769                       id == SCREEN_CTRL_ID_TOUCH_PREV_PAGE2 ? ACTION_BACK :
8770                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE ||
8771                       id == SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2 ? ACTION_NEXT :
8772                       ACTION_NONE);
8773           }
8774           break;
8775
8776         case EVENT_KEYPRESS:
8777           {
8778             Key key = GetEventKey((KeyEvent *)&event, FALSE);
8779
8780             action = (key == KSYM_Escape ?      ACTION_ESCAPE :
8781                       key == KSYM_BackSpace ||
8782                       key == KSYM_Back ?        ACTION_BACK :
8783                       key == KSYM_Return ||
8784                       key == KSYM_Menu ||
8785                       key == KSYM_space ?       ACTION_NEXT :
8786                       ACTION_NONE);
8787           }
8788           break;
8789
8790         case EVENT_KEYRELEASE:
8791           key_joystick_mapping = 0;
8792           break;
8793
8794         case EVENT_BUTTONPRESS:
8795         case EVENT_BUTTONRELEASE:
8796           {
8797             ButtonEvent *button = (ButtonEvent *)&event;
8798
8799             motion_status = FALSE;
8800
8801             if (button->type == EVENT_BUTTONPRESS)
8802               button_status = button->button;
8803             else
8804               button_status = MB_RELEASED;
8805
8806             if (HandleGadgets(button->x, button->y, button_status))
8807             {
8808               // do not handle this button event anymore
8809               break;
8810             }
8811
8812             button->x += video.screen_xoffset;
8813             button->y += video.screen_yoffset;
8814
8815             x = button->x * overlay.grid_xsize / video.screen_width;
8816             y = button->y * overlay.grid_ysize / video.screen_height;
8817
8818             if (button->type == EVENT_BUTTONPRESS)
8819             {
8820               grid_button_draw =
8821                 (overlay.grid_button[x][y] != grid_button[step_nr] ?
8822                  grid_button[step_nr] : CHAR_GRID_BUTTON_NONE);
8823
8824               set_grid_button = TRUE;
8825             }
8826
8827             MapScreenMenuGadgets_OverlayTouchButtons(button->y);
8828           }
8829           break;
8830
8831         case EVENT_MOTIONNOTIFY:
8832           {
8833             MotionEvent *motion = (MotionEvent *)&event;
8834
8835             motion_status = TRUE;
8836
8837             if (HandleGadgets(motion->x, motion->y, button_status))
8838             {
8839               // do not handle this button event anymore
8840               break;
8841             }
8842
8843             motion->x += video.screen_xoffset;
8844             motion->y += video.screen_yoffset;
8845
8846             x = motion->x * overlay.grid_xsize / video.screen_width;
8847             y = motion->y * overlay.grid_ysize / video.screen_height;
8848
8849             set_grid_button = TRUE;
8850
8851             MapScreenMenuGadgets_OverlayTouchButtons(motion->y);
8852           }
8853           break;
8854
8855         case SDL_WINDOWEVENT:
8856           HandleWindowEvent((WindowEvent *) &event);
8857
8858           // check if device has been rotated
8859           if (nr != GRID_ACTIVE_NR())
8860           {
8861             nr = GRID_ACTIVE_NR();
8862
8863             for (x = 0; x < MAX_GRID_XSIZE; x++)
8864               for (y = 0; y < MAX_GRID_YSIZE; y++)
8865                 grid_button_old[x][y] = grid_button_tmp[x][y] =
8866                   overlay.grid_button[x][y];
8867           }
8868
8869           break;
8870
8871         case SDL_APP_WILLENTERBACKGROUND:
8872         case SDL_APP_DIDENTERBACKGROUND:
8873         case SDL_APP_WILLENTERFOREGROUND:
8874         case SDL_APP_DIDENTERFOREGROUND:
8875           HandlePauseResumeEvent((PauseResumeEvent *) &event);
8876           break;
8877
8878         default:
8879           HandleOtherEvents(&event);
8880           break;
8881       }
8882
8883       // ---------- perform action set by handling events ----------
8884
8885       if (action == ACTION_ESCAPE)
8886       {
8887         // abort and restore the old key bindings
8888
8889         for (x = 0; x < MAX_GRID_XSIZE; x++)
8890           for (y = 0; y < MAX_GRID_YSIZE; y++)
8891             overlay.grid_button[x][y] = grid_button_old[x][y];
8892
8893         FadeSkipNextFadeIn();
8894
8895         finished = TRUE;
8896       }
8897       else if (action == ACTION_BACK)
8898       {
8899         // keep the configured key bindings and go to previous page
8900
8901         step_nr--;
8902
8903         if (step_nr < 0)
8904         {
8905           FadeSkipNextFadeIn();
8906
8907           finished = TRUE;
8908         }
8909       }
8910       else if (action == ACTION_NEXT)
8911       {
8912         // keep the configured key bindings and go to next page
8913
8914         step_nr++;
8915
8916         // all virtual buttons configured
8917         if (step_nr == 6)
8918         {
8919           finished = TRUE;
8920           success = TRUE;
8921         }
8922       }
8923
8924       if (action != ACTION_NONE && !finished)
8925       {
8926         for (x = 0; x < MAX_GRID_XSIZE; x++)
8927           for (y = 0; y < MAX_GRID_YSIZE; y++)
8928             grid_button_tmp[x][y] = overlay.grid_button[x][y];
8929
8930         overlay.grid_button_highlight = grid_button[step_nr];
8931
8932         // configure next virtual button
8933
8934         ClearField();
8935
8936         DrawTextSCentered(mSY - SY + 16, FONT_TITLE_1, "Virtual Buttons");
8937         DrawTextSCentered(ypos1, font_nr, "Select tiles to");
8938         DrawTextSCentered(ypos2, font_nr, customize_step_text[step_nr]);
8939       }
8940
8941       if (set_grid_button)
8942       {
8943         overlay.grid_button[x][y] =
8944           (grid_button_draw != CHAR_GRID_BUTTON_NONE ? grid_button_draw :
8945            grid_button_tmp[x][y] == grid_button[step_nr] ? CHAR_GRID_BUTTON_NONE :
8946            grid_button_tmp[x][y]);
8947
8948         set_grid_button = FALSE;
8949       }
8950     }
8951
8952     BackToFront();
8953   }
8954
8955   for (x = 0; x < MAX_GRID_XSIZE; x++)
8956     for (y = 0; y < MAX_GRID_YSIZE; y++)
8957       setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
8958
8959   overlay.grid_button_highlight = CHAR_GRID_BUTTON_NONE;
8960
8961   SetOverlayShowGrid(FALSE);
8962
8963   return success;
8964 }
8965
8966 void ConfigureVirtualButtons(void)
8967 {
8968   boolean success = ConfigureVirtualButtonsMain();
8969
8970   UnmapScreenMenuGadgets(SCREEN_MASK_TOUCH |
8971                          SCREEN_MASK_TOUCH2);
8972
8973   if (success)
8974   {
8975     int font_nr = FONT_TITLE_1;
8976     int font_height = getFontHeight(font_nr);
8977     int ypos1 = SYSIZE / 2 - font_height * 2;
8978     int ypos2 = SYSIZE / 2 - font_height * 1;
8979     unsigned int wait_frame_delay = 0;
8980     unsigned int wait_frame_delay_value = 2000;
8981
8982     ResetDelayCounter(&wait_frame_delay);
8983
8984     ClearField();
8985
8986     DrawTextSCentered(ypos1, font_nr, "Virtual buttons");
8987     DrawTextSCentered(ypos2, font_nr, "configured!");
8988
8989     while (!DelayReached(&wait_frame_delay, wait_frame_delay_value))
8990       BackToFront();
8991
8992     ClearEventQueue();
8993   }
8994 }
8995
8996 void DrawSetupScreen(void)
8997 {
8998   align_xoffset = 0;
8999   align_yoffset = 0;
9000
9001   if (setup_mode == SETUP_MODE_INPUT)
9002     DrawSetupScreen_Input();
9003   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9004     DrawChooseTree(&game_speed_current);
9005   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9006     DrawChooseTree(&scroll_delay_current);
9007   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9008     DrawChooseTree(&snapshot_mode_current);
9009   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9010     DrawChooseTree(&window_size_current);
9011   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9012     DrawChooseTree(&scaling_type_current);
9013   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9014     DrawChooseTree(&rendering_mode_current);
9015   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9016     DrawChooseTree(&vsync_mode_current);
9017   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9018     DrawChooseTree(&artwork.gfx_current);
9019   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9020     DrawChooseTree(&artwork.snd_current);
9021   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9022     DrawChooseTree(&artwork.mus_current);
9023   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9024     DrawChooseTree(&volume_simple_current);
9025   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9026     DrawChooseTree(&volume_loops_current);
9027   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9028     DrawChooseTree(&volume_music_current);
9029   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9030     DrawChooseTree(&touch_control_current);
9031   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9032     DrawChooseTree(&move_distance_current);
9033   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9034     DrawChooseTree(&drop_distance_current);
9035   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9036     DrawChooseTree(&transparency_current);
9037   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9038     DrawChooseTree(&grid_size_current[0][0]);
9039   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9040     DrawChooseTree(&grid_size_current[0][1]);
9041   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9042     DrawChooseTree(&grid_size_current[1][0]);
9043   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9044     DrawChooseTree(&grid_size_current[1][1]);
9045   else
9046     DrawSetupScreen_Generic();
9047
9048   PlayMenuSoundsAndMusic();
9049 }
9050
9051 void RedrawSetupScreenAfterFullscreenToggle(void)
9052 {
9053   if (setup_mode == SETUP_MODE_GRAPHICS ||
9054       setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9055   {
9056     // update list selection from "setup.window_scaling_percent"
9057     execSetupGraphics_setWindowSizes(TRUE);
9058
9059     DrawSetupScreen();
9060   }
9061 }
9062
9063 void RedrawSetupScreenAfterScreenRotation(int nr)
9064 {
9065   int x, y;
9066
9067   if (setup_mode == SETUP_MODE_TOUCH)
9068   {
9069     // update virtual button settings (depending on screen orientation)
9070     DrawSetupScreen();
9071   }
9072   else if (setup_mode == SETUP_MODE_CONFIG_VIRT_BUTTONS)
9073   {
9074     // save already configured virtual buttons
9075     for (x = 0; x < MAX_GRID_XSIZE; x++)
9076       for (y = 0; y < MAX_GRID_YSIZE; y++)
9077         setup.touch.grid_button[nr][x][y] = overlay.grid_button[x][y];
9078   }
9079 }
9080
9081 void HandleSetupScreen(int mx, int my, int dx, int dy, int button)
9082 {
9083   if (setup_mode == SETUP_MODE_INPUT)
9084     HandleSetupScreen_Input(mx, my, dx, dy, button);
9085   else if (setup_mode == SETUP_MODE_CHOOSE_GAME_SPEED)
9086     HandleChooseTree(mx, my, dx, dy, button, &game_speed_current);
9087   else if (setup_mode == SETUP_MODE_CHOOSE_SCROLL_DELAY)
9088     HandleChooseTree(mx, my, dx, dy, button, &scroll_delay_current);
9089   else if (setup_mode == SETUP_MODE_CHOOSE_SNAPSHOT_MODE)
9090     HandleChooseTree(mx, my, dx, dy, button, &snapshot_mode_current);
9091   else if (setup_mode == SETUP_MODE_CHOOSE_WINDOW_SIZE)
9092     HandleChooseTree(mx, my, dx, dy, button, &window_size_current);
9093   else if (setup_mode == SETUP_MODE_CHOOSE_SCALING_TYPE)
9094     HandleChooseTree(mx, my, dx, dy, button, &scaling_type_current);
9095   else if (setup_mode == SETUP_MODE_CHOOSE_RENDERING)
9096     HandleChooseTree(mx, my, dx, dy, button, &rendering_mode_current);
9097   else if (setup_mode == SETUP_MODE_CHOOSE_VSYNC)
9098     HandleChooseTree(mx, my, dx, dy, button, &vsync_mode_current);
9099   else if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS)
9100     HandleChooseTree(mx, my, dx, dy, button, &artwork.gfx_current);
9101   else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS)
9102     HandleChooseTree(mx, my, dx, dy, button, &artwork.snd_current);
9103   else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC)
9104     HandleChooseTree(mx, my, dx, dy, button, &artwork.mus_current);
9105   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_SIMPLE)
9106     HandleChooseTree(mx, my, dx, dy, button, &volume_simple_current);
9107   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_LOOPS)
9108     HandleChooseTree(mx, my, dx, dy, button, &volume_loops_current);
9109   else if (setup_mode == SETUP_MODE_CHOOSE_VOLUME_MUSIC)
9110     HandleChooseTree(mx, my, dx, dy, button, &volume_music_current);
9111   else if (setup_mode == SETUP_MODE_CHOOSE_TOUCH_CONTROL)
9112     HandleChooseTree(mx, my, dx, dy, button, &touch_control_current);
9113   else if (setup_mode == SETUP_MODE_CHOOSE_MOVE_DISTANCE)
9114     HandleChooseTree(mx, my, dx, dy, button, &move_distance_current);
9115   else if (setup_mode == SETUP_MODE_CHOOSE_DROP_DISTANCE)
9116     HandleChooseTree(mx, my, dx, dy, button, &drop_distance_current);
9117   else if (setup_mode == SETUP_MODE_CHOOSE_TRANSPARENCY)
9118     HandleChooseTree(mx, my, dx, dy, button, &transparency_current);
9119   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_0)
9120     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][0]);
9121   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_0)
9122     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[0][1]);
9123   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_XSIZE_1)
9124     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][0]);
9125   else if (setup_mode == SETUP_MODE_CHOOSE_GRID_YSIZE_1)
9126     HandleChooseTree(mx, my, dx, dy, button, &grid_size_current[1][1]);
9127   else
9128     HandleSetupScreen_Generic(mx, my, dx, dy, button);
9129 }
9130
9131 void HandleGameActions(void)
9132 {
9133   if (setup.ask_on_game_over)
9134     CheckGameOver();
9135
9136   if (game.restart_game_message != NULL)
9137   {
9138     RequestRestartGame(game.restart_game_message);
9139
9140     return;
9141   }
9142
9143   if (game_status != GAME_MODE_PLAYING)
9144     return;
9145
9146   GameActions();                // main game loop
9147
9148   if (tape.auto_play && !tape.playing)
9149     AutoPlayTapesContinue();    // continue automatically playing next tape
9150 }
9151
9152
9153 // ---------- new screen button stuff --------------------------------------
9154
9155 static struct
9156 {
9157   int gfx_unpressed, gfx_pressed;
9158   struct MenuPosInfo *pos;
9159   boolean *check_value;
9160   int gadget_id;
9161   int screen_mask;
9162   unsigned int event_mask;
9163   boolean is_touch_button;
9164   char *infotext;
9165 } menubutton_info[NUM_SCREEN_MENUBUTTONS] =
9166 {
9167   {
9168     IMG_MENU_BUTTON_PREV_LEVEL, IMG_MENU_BUTTON_PREV_LEVEL_ACTIVE,
9169     &menu.main.button.prev_level, NULL,
9170     SCREEN_CTRL_ID_PREV_LEVEL,
9171     SCREEN_MASK_MAIN,
9172     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9173     FALSE, "previous level"
9174   },
9175   {
9176     IMG_MENU_BUTTON_NEXT_LEVEL, IMG_MENU_BUTTON_NEXT_LEVEL_ACTIVE,
9177     &menu.main.button.next_level, NULL,
9178     SCREEN_CTRL_ID_NEXT_LEVEL,
9179     SCREEN_MASK_MAIN,
9180     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9181     FALSE, "next level"
9182   },
9183   {
9184     IMG_MENU_BUTTON_FIRST_LEVEL, IMG_MENU_BUTTON_FIRST_LEVEL_ACTIVE,
9185     &menu.main.button.first_level, NULL,
9186     SCREEN_CTRL_ID_FIRST_LEVEL,
9187     SCREEN_MASK_MAIN,
9188     GD_EVENT_RELEASED,
9189     FALSE, "first level"
9190   },
9191   {
9192     IMG_MENU_BUTTON_LAST_LEVEL, IMG_MENU_BUTTON_LAST_LEVEL_ACTIVE,
9193     &menu.main.button.last_level, NULL,
9194     SCREEN_CTRL_ID_LAST_LEVEL,
9195     SCREEN_MASK_MAIN,
9196     GD_EVENT_RELEASED,
9197     FALSE, "last level"
9198   },
9199   {
9200     IMG_MENU_BUTTON_LEVEL_NUMBER, IMG_MENU_BUTTON_LEVEL_NUMBER_ACTIVE,
9201     &menu.main.button.level_number, NULL,
9202     SCREEN_CTRL_ID_LEVEL_NUMBER,
9203     SCREEN_MASK_MAIN,
9204     GD_EVENT_RELEASED,
9205     FALSE, "level number"
9206   },
9207   {
9208     IMG_MENU_BUTTON_LEFT, IMG_MENU_BUTTON_LEFT_ACTIVE,
9209     &menu.setup.button.prev_player, NULL,
9210     SCREEN_CTRL_ID_PREV_PLAYER,
9211     SCREEN_MASK_INPUT,
9212     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9213     FALSE, "previous player"
9214   },
9215   {
9216     IMG_MENU_BUTTON_RIGHT, IMG_MENU_BUTTON_RIGHT_ACTIVE,
9217     &menu.setup.button.next_player, NULL,
9218     SCREEN_CTRL_ID_NEXT_PLAYER,
9219     SCREEN_MASK_INPUT,
9220     GD_EVENT_PRESSED | GD_EVENT_REPEATED,
9221     FALSE, "next player"
9222   },
9223   {
9224     IMG_MENU_BUTTON_INSERT_SOLUTION, IMG_MENU_BUTTON_INSERT_SOLUTION_ACTIVE,
9225     &menu.main.button.insert_solution, NULL,
9226     SCREEN_CTRL_ID_INSERT_SOLUTION,
9227     SCREEN_MASK_MAIN_HAS_SOLUTION,
9228     GD_EVENT_RELEASED,
9229     FALSE, "insert solution tape"
9230   },
9231   {
9232     IMG_MENU_BUTTON_PLAY_SOLUTION, IMG_MENU_BUTTON_PLAY_SOLUTION_ACTIVE,
9233     &menu.main.button.play_solution, NULL,
9234     SCREEN_CTRL_ID_PLAY_SOLUTION,
9235     SCREEN_MASK_MAIN_HAS_SOLUTION,
9236     GD_EVENT_RELEASED,
9237     FALSE, "play solution tape"
9238   },
9239   {
9240     IMG_MENU_BUTTON_SWITCH_ECS_AGA, IMG_MENU_BUTTON_SWITCH_ECS_AGA_ACTIVE,
9241     &menu.main.button.switch_ecs_aga, &setup.prefer_aga_graphics,
9242     SCREEN_CTRL_ID_SWITCH_ECS_AGA,
9243     SCREEN_MASK_MAIN,
9244     GD_EVENT_RELEASED | GD_EVENT_OFF_BORDERS,
9245     FALSE, "switch ECS/AGA chipset"
9246   },
9247   {
9248     IMG_MENU_BUTTON_TOUCH_BACK, IMG_MENU_BUTTON_TOUCH_BACK,
9249     &menu.setup.button.touch_back, NULL,
9250     SCREEN_CTRL_ID_TOUCH_PREV_PAGE,
9251     SCREEN_MASK_TOUCH,
9252     GD_EVENT_RELEASED,
9253     TRUE, "previous page"
9254   },
9255   {
9256     IMG_MENU_BUTTON_TOUCH_NEXT, IMG_MENU_BUTTON_TOUCH_NEXT,
9257     &menu.setup.button.touch_next, NULL,
9258     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE,
9259     SCREEN_MASK_TOUCH,
9260     GD_EVENT_RELEASED,
9261     TRUE, "next page"
9262   },
9263   {
9264     IMG_MENU_BUTTON_TOUCH_BACK2, IMG_MENU_BUTTON_TOUCH_BACK2,
9265     &menu.setup.button.touch_back2, NULL,
9266     SCREEN_CTRL_ID_TOUCH_PREV_PAGE2,
9267     SCREEN_MASK_TOUCH2,
9268     GD_EVENT_RELEASED,
9269     TRUE, "previous page"
9270   },
9271   {
9272     IMG_MENU_BUTTON_TOUCH_NEXT2, IMG_MENU_BUTTON_TOUCH_NEXT2,
9273     &menu.setup.button.touch_next2, NULL,
9274     SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2,
9275     SCREEN_MASK_TOUCH2,
9276     GD_EVENT_RELEASED,
9277     TRUE, "next page"
9278   },
9279 };
9280
9281 static struct
9282 {
9283   int gfx_unpressed, gfx_pressed;
9284   int x, y;
9285   int gadget_id;
9286   char *infotext;
9287 } scrollbutton_info[NUM_SCREEN_SCROLLBUTTONS] =
9288 {
9289   {
9290     IMG_MENU_BUTTON_UP, IMG_MENU_BUTTON_UP_ACTIVE,
9291     -1, -1,     // these values are not constant, but can change at runtime
9292     SCREEN_CTRL_ID_SCROLL_UP,
9293     "scroll up"
9294   },
9295   {
9296     IMG_MENU_BUTTON_DOWN, IMG_MENU_BUTTON_DOWN_ACTIVE,
9297     -1, -1,     // these values are not constant, but can change at runtime
9298     SCREEN_CTRL_ID_SCROLL_DOWN,
9299     "scroll down"
9300   }
9301 };
9302
9303 static struct
9304 {
9305   int gfx_unpressed, gfx_pressed;
9306   int x, y;
9307   int width, height;
9308   int type;
9309   int gadget_id;
9310   char *infotext;
9311 } scrollbar_info[NUM_SCREEN_SCROLLBARS] =
9312 {
9313   {
9314     IMG_MENU_SCROLLBAR, IMG_MENU_SCROLLBAR_ACTIVE,
9315     -1, -1,     // these values are not constant, but can change at runtime
9316     -1, -1,     // these values are not constant, but can change at runtime
9317     GD_TYPE_SCROLLBAR_VERTICAL,
9318     SCREEN_CTRL_ID_SCROLL_VERTICAL,
9319     "scroll level series vertically"
9320   }
9321 };
9322
9323 static struct
9324 {
9325   int graphic;
9326   int gadget_id;
9327   int x, y;
9328   int size;
9329   char *value;
9330   char *infotext;
9331 } textinput_info[NUM_SCREEN_TEXTINPUT] =
9332 {
9333   {
9334     IMG_SETUP_INPUT_TEXT,
9335     SCREEN_CTRL_ID_NETWORK_SERVER,
9336     -1, -1,     // these values are not constant, but can change at runtime
9337     MAX_SETUP_TEXT_INPUT_LEN,
9338     network_server_hostname,
9339     "Network Server Hostname / IP"
9340   },
9341 };
9342
9343 static void CreateScreenMenubuttons(void)
9344 {
9345   struct GadgetInfo *gi;
9346   unsigned int event_mask;
9347   int i;
9348
9349   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9350   {
9351     struct MenuPosInfo *pos = menubutton_info[i].pos;
9352     boolean is_touch_button = menubutton_info[i].is_touch_button;
9353     boolean is_check_button = menubutton_info[i].check_value != NULL;
9354     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9355     int gfx_unpressed, gfx_pressed;
9356     int x, y, width, height;
9357     int gd_x1, gd_x2, gd_y1, gd_y2;
9358     int gd_x1a, gd_x2a, gd_y1a, gd_y2a;
9359     int id = menubutton_info[i].gadget_id;
9360     int type = GD_TYPE_NORMAL_BUTTON;
9361     boolean checked = FALSE;
9362
9363     event_mask = menubutton_info[i].event_mask;
9364
9365     x = (is_touch_button ? pos->x : mSX + GDI_ACTIVE_POS(pos->x));
9366     y = (is_touch_button ? pos->y : mSY + GDI_ACTIVE_POS(pos->y));
9367
9368     width  = graphic_info[menubutton_info[i].gfx_pressed].width;
9369     height = graphic_info[menubutton_info[i].gfx_pressed].height;
9370
9371     gfx_unpressed = menubutton_info[i].gfx_unpressed;
9372     gfx_pressed   = menubutton_info[i].gfx_pressed;
9373     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9374     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9375     gd_x1 = graphic_info[gfx_unpressed].src_x;
9376     gd_y1 = graphic_info[gfx_unpressed].src_y;
9377     gd_x2 = graphic_info[gfx_pressed].src_x;
9378     gd_y2 = graphic_info[gfx_pressed].src_y;
9379     gd_x1a = gd_x1;
9380     gd_y1a = gd_y1;
9381     gd_x2a = gd_x2;
9382     gd_y2a = gd_y2;
9383
9384     if (is_touch_button)
9385     {
9386       gd_x2 += graphic_info[gfx_pressed].pressed_xoffset;
9387       gd_y2 += graphic_info[gfx_pressed].pressed_yoffset;
9388     }
9389
9390     if (is_check_button)
9391     {
9392       gd_x1a += graphic_info[gfx_unpressed].active_xoffset;
9393       gd_y1a += graphic_info[gfx_unpressed].active_yoffset;
9394       gd_x2a += graphic_info[gfx_pressed].active_xoffset;
9395       gd_y2a += graphic_info[gfx_pressed].active_yoffset;
9396
9397       type = GD_TYPE_CHECK_BUTTON;
9398       checked = *menubutton_info[i].check_value;
9399     }
9400
9401     gi = CreateGadget(GDI_CUSTOM_ID, id,
9402                       GDI_CUSTOM_TYPE_ID, i,
9403                       GDI_IMAGE_ID, gfx_unpressed,
9404                       GDI_INFO_TEXT, menubutton_info[i].infotext,
9405                       GDI_X, x,
9406                       GDI_Y, y,
9407                       GDI_WIDTH, width,
9408                       GDI_HEIGHT, height,
9409                       GDI_TYPE, type,
9410                       GDI_STATE, GD_BUTTON_UNPRESSED,
9411                       GDI_CHECKED, checked,
9412                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9413                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9414                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1a, gd_y1a,
9415                       GDI_ALT_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2a, gd_y2a,
9416                       GDI_DIRECT_DRAW, FALSE,
9417                       GDI_OVERLAY_TOUCH_BUTTON, is_touch_button,
9418                       GDI_EVENT_MASK, event_mask,
9419                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9420                       GDI_END);
9421
9422     if (gi == NULL)
9423       Fail("cannot create gadget");
9424
9425     screen_gadget[id] = gi;
9426   }
9427 }
9428
9429 static void CreateScreenScrollbuttons(void)
9430 {
9431   struct GadgetInfo *gi;
9432   unsigned int event_mask;
9433   int i;
9434
9435   // these values are not constant, but can change at runtime
9436   scrollbutton_info[0].x = SC_SCROLL_UP_XPOS;
9437   scrollbutton_info[0].y = SC_SCROLL_UP_YPOS;
9438   scrollbutton_info[1].x = SC_SCROLL_DOWN_XPOS;
9439   scrollbutton_info[1].y = SC_SCROLL_DOWN_YPOS;
9440
9441   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9442   {
9443     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9444     int gfx_unpressed, gfx_pressed;
9445     int x, y, width, height;
9446     int gd_x1, gd_x2, gd_y1, gd_y2;
9447     int id = scrollbutton_info[i].gadget_id;
9448
9449     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
9450
9451     x = mSX + scrollbutton_info[i].x + menu.scrollbar_xoffset;
9452     y = mSY + scrollbutton_info[i].y;
9453     width = SC_SCROLLBUTTON_XSIZE;
9454     height = SC_SCROLLBUTTON_YSIZE;
9455
9456     // correct scrollbar position if placed outside menu (playfield) area
9457     if (x > SX + SC_SCROLL_UP_XPOS)
9458       x = SX + SC_SCROLL_UP_XPOS;
9459
9460     if (id == SCREEN_CTRL_ID_SCROLL_DOWN)
9461       y = mSY + (SC_SCROLL_VERTICAL_YPOS +
9462                  (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE);
9463
9464     gfx_unpressed = scrollbutton_info[i].gfx_unpressed;
9465     gfx_pressed   = scrollbutton_info[i].gfx_pressed;
9466     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9467     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9468     gd_x1 = graphic_info[gfx_unpressed].src_x;
9469     gd_y1 = graphic_info[gfx_unpressed].src_y;
9470     gd_x2 = graphic_info[gfx_pressed].src_x;
9471     gd_y2 = graphic_info[gfx_pressed].src_y;
9472
9473     gi = CreateGadget(GDI_CUSTOM_ID, id,
9474                       GDI_CUSTOM_TYPE_ID, i,
9475                       GDI_IMAGE_ID, gfx_unpressed,
9476                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
9477                       GDI_X, x,
9478                       GDI_Y, y,
9479                       GDI_WIDTH, width,
9480                       GDI_HEIGHT, height,
9481                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
9482                       GDI_STATE, GD_BUTTON_UNPRESSED,
9483                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9484                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9485                       GDI_DIRECT_DRAW, FALSE,
9486                       GDI_EVENT_MASK, event_mask,
9487                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9488                       GDI_END);
9489
9490     if (gi == NULL)
9491       Fail("cannot create gadget");
9492
9493     screen_gadget[id] = gi;
9494   }
9495 }
9496
9497 static void CreateScreenScrollbars(void)
9498 {
9499   int i;
9500
9501   // these values are not constant, but can change at runtime
9502   scrollbar_info[0].x = SC_SCROLL_VERTICAL_XPOS;
9503   scrollbar_info[0].y = SC_SCROLL_VERTICAL_YPOS;
9504   scrollbar_info[0].width  = SC_SCROLL_VERTICAL_XSIZE;
9505   scrollbar_info[0].height = SC_SCROLL_VERTICAL_YSIZE;
9506
9507   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9508   {
9509     Bitmap *gd_bitmap_unpressed, *gd_bitmap_pressed;
9510     int gfx_unpressed, gfx_pressed;
9511     int x, y, width, height;
9512     int gd_x1, gd_x2, gd_y1, gd_y2;
9513     struct GadgetInfo *gi;
9514     int items_max, items_visible, item_position;
9515     unsigned int event_mask;
9516     int num_page_entries = NUM_MENU_ENTRIES_ON_SCREEN;
9517     int id = scrollbar_info[i].gadget_id;
9518
9519     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
9520
9521     x = mSX + scrollbar_info[i].x + menu.scrollbar_xoffset;
9522     y = mSY + scrollbar_info[i].y;
9523     width  = scrollbar_info[i].width;
9524     height = scrollbar_info[i].height;
9525
9526     // correct scrollbar position if placed outside menu (playfield) area
9527     if (x > SX + SC_SCROLL_VERTICAL_XPOS)
9528       x = SX + SC_SCROLL_VERTICAL_XPOS;
9529
9530     if (id == SCREEN_CTRL_ID_SCROLL_VERTICAL)
9531       height = (NUM_MENU_ENTRIES_ON_SCREEN - 2) * SC_SCROLLBUTTON_YSIZE;
9532
9533     items_max = num_page_entries;
9534     items_visible = num_page_entries;
9535     item_position = 0;
9536
9537     gfx_unpressed = scrollbar_info[i].gfx_unpressed;
9538     gfx_pressed   = scrollbar_info[i].gfx_pressed;
9539     gd_bitmap_unpressed = graphic_info[gfx_unpressed].bitmap;
9540     gd_bitmap_pressed   = graphic_info[gfx_pressed].bitmap;
9541     gd_x1 = graphic_info[gfx_unpressed].src_x;
9542     gd_y1 = graphic_info[gfx_unpressed].src_y;
9543     gd_x2 = graphic_info[gfx_pressed].src_x;
9544     gd_y2 = graphic_info[gfx_pressed].src_y;
9545
9546     gi = CreateGadget(GDI_CUSTOM_ID, id,
9547                       GDI_CUSTOM_TYPE_ID, i,
9548                       GDI_IMAGE_ID, gfx_unpressed,
9549                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
9550                       GDI_X, x,
9551                       GDI_Y, y,
9552                       GDI_WIDTH, width,
9553                       GDI_HEIGHT, height,
9554                       GDI_TYPE, scrollbar_info[i].type,
9555                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
9556                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9557                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
9558                       GDI_WHEEL_AREA_X, SX,
9559                       GDI_WHEEL_AREA_Y, SY,
9560                       GDI_WHEEL_AREA_WIDTH, SXSIZE,
9561                       GDI_WHEEL_AREA_HEIGHT, SYSIZE,
9562                       GDI_STATE, GD_BUTTON_UNPRESSED,
9563                       GDI_DESIGN_UNPRESSED, gd_bitmap_unpressed, gd_x1, gd_y1,
9564                       GDI_DESIGN_PRESSED, gd_bitmap_pressed, gd_x2, gd_y2,
9565                       GDI_BORDER_SIZE, SC_BORDER_SIZE, SC_BORDER_SIZE,
9566                       GDI_DIRECT_DRAW, FALSE,
9567                       GDI_EVENT_MASK, event_mask,
9568                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9569                       GDI_END);
9570
9571     if (gi == NULL)
9572       Fail("cannot create gadget");
9573
9574     screen_gadget[id] = gi;
9575   }
9576 }
9577
9578 static void CreateScreenTextInputGadgets(void)
9579 {
9580   int i;
9581
9582   for (i = 0; i < NUM_SCREEN_TEXTINPUT; i++)
9583   {
9584     int graphic = textinput_info[i].graphic;
9585     struct GraphicInfo *gd = &graphic_info[graphic];
9586     int gd_x1 = gd->src_x;
9587     int gd_y1 = gd->src_y;
9588     int gd_x2 = gd->src_x + gd->active_xoffset;
9589     int gd_y2 = gd->src_y + gd->active_yoffset;
9590     struct GadgetInfo *gi;
9591     unsigned int event_mask;
9592     int id = textinput_info[i].gadget_id;
9593     int x = textinput_info[i].x;
9594     int y = textinput_info[i].y;
9595
9596     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
9597
9598     gi = CreateGadget(GDI_CUSTOM_ID, id,
9599                       GDI_CUSTOM_TYPE_ID, i,
9600                       GDI_INFO_TEXT, textinput_info[i].infotext,
9601                       GDI_X, SX + x,
9602                       GDI_Y, SY + y,
9603                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
9604                       GDI_TEXT_VALUE, textinput_info[i].value,
9605                       GDI_TEXT_SIZE, textinput_info[i].size,
9606                       GDI_TEXT_FONT, getSetupValueFont(TYPE_STRING, NULL),
9607                       GDI_TEXT_FONT_ACTIVE, FONT_TEXT_1,
9608                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
9609                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
9610                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
9611                       GDI_DESIGN_WIDTH, gd->width,
9612                       GDI_EVENT_MASK, event_mask,
9613                       GDI_CALLBACK_ACTION, HandleScreenGadgets,
9614                       GDI_CALLBACK_ACTION_ALWAYS, TRUE,
9615                       GDI_END);
9616
9617     if (gi == NULL)
9618       Fail("cannot create gadget");
9619
9620     screen_gadget[id] = gi;
9621   }
9622 }
9623
9624 void CreateScreenGadgets(void)
9625 {
9626   CreateScreenMenubuttons();
9627
9628   CreateScreenScrollbuttons();
9629   CreateScreenScrollbars();
9630
9631   CreateScreenTextInputGadgets();
9632 }
9633
9634 void FreeScreenGadgets(void)
9635 {
9636   int i;
9637
9638   for (i = 0; i < NUM_SCREEN_GADGETS; i++)
9639     FreeGadget(screen_gadget[i]);
9640 }
9641
9642 static void MapScreenMenuGadgets(int screen_mask)
9643 {
9644   int i;
9645
9646   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9647     if (screen_mask & menubutton_info[i].screen_mask)
9648       MapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9649 }
9650
9651 static void UnmapScreenMenuGadgets(int screen_mask)
9652 {
9653   int i;
9654
9655   for (i = 0; i < NUM_SCREEN_MENUBUTTONS; i++)
9656   {
9657     if (screen_mask & menubutton_info[i].screen_mask)
9658     {
9659       UnmapGadget(screen_gadget[menubutton_info[i].gadget_id]);
9660
9661       if (screen_mask & SCREEN_MASK_MAIN_HAS_SOLUTION)
9662         DrawBackground(screen_gadget[menubutton_info[i].gadget_id]->x,
9663                        screen_gadget[menubutton_info[i].gadget_id]->y,
9664                        screen_gadget[menubutton_info[i].gadget_id]->width,
9665                        screen_gadget[menubutton_info[i].gadget_id]->height);
9666     }
9667   }
9668 }
9669
9670 static void UpdateScreenMenuGadgets(int screen_mask, boolean map_gadgets)
9671 {
9672   if (map_gadgets)
9673     MapScreenMenuGadgets(screen_mask);
9674   else
9675     UnmapScreenMenuGadgets(screen_mask);
9676 }
9677
9678 static void MapScreenGadgets(int num_entries)
9679 {
9680   int i;
9681
9682   if (num_entries <= NUM_MENU_ENTRIES_ON_SCREEN)
9683     return;
9684
9685   for (i = 0; i < NUM_SCREEN_SCROLLBUTTONS; i++)
9686     MapGadget(screen_gadget[scrollbutton_info[i].gadget_id]);
9687
9688   for (i = 0; i < NUM_SCREEN_SCROLLBARS; i++)
9689     MapGadget(screen_gadget[scrollbar_info[i].gadget_id]);
9690 }
9691
9692 static void MapScreenTreeGadgets(TreeInfo *ti)
9693 {
9694   MapScreenGadgets(numTreeInfoInGroup(ti));
9695 }
9696
9697 static void HandleScreenGadgets(struct GadgetInfo *gi)
9698 {
9699   int id = gi->custom_id;
9700   int button = gi->event.button;
9701   int step = (button == MB_LEFTBUTTON   ? 1 :
9702               button == MB_MIDDLEBUTTON ? 5 :
9703               button == MB_RIGHTBUTTON  ? 10 : 1);
9704
9705   switch (id)
9706   {
9707     case SCREEN_CTRL_ID_PREV_LEVEL:
9708       HandleMainMenu_SelectLevel(step, -1, NO_DIRECT_LEVEL_SELECT);
9709       break;
9710
9711     case SCREEN_CTRL_ID_NEXT_LEVEL:
9712       HandleMainMenu_SelectLevel(step, +1, NO_DIRECT_LEVEL_SELECT);
9713       break;
9714
9715     case SCREEN_CTRL_ID_FIRST_LEVEL:
9716       HandleMainMenu_SelectLevel(MAX_LEVELS, -1, NO_DIRECT_LEVEL_SELECT);
9717       break;
9718
9719     case SCREEN_CTRL_ID_LAST_LEVEL:
9720       HandleMainMenu_SelectLevel(MAX_LEVELS, +1, NO_DIRECT_LEVEL_SELECT);
9721       break;
9722
9723     case SCREEN_CTRL_ID_LEVEL_NUMBER:
9724       CloseDoor(DOOR_CLOSE_2);
9725       SetGameStatus(GAME_MODE_LEVELNR);
9726       DrawChooseLevelNr();
9727       break;
9728
9729     case SCREEN_CTRL_ID_PREV_PLAYER:
9730       HandleSetupScreen_Input_Player(step, -1);
9731       break;
9732
9733     case SCREEN_CTRL_ID_NEXT_PLAYER:
9734       HandleSetupScreen_Input_Player(step, +1);
9735       break;
9736
9737     case SCREEN_CTRL_ID_INSERT_SOLUTION:
9738       InsertSolutionTape();
9739       break;
9740
9741     case SCREEN_CTRL_ID_PLAY_SOLUTION:
9742       PlaySolutionTape();
9743       break;
9744
9745     case SCREEN_CTRL_ID_SWITCH_ECS_AGA:
9746       setup.prefer_aga_graphics = !setup.prefer_aga_graphics;
9747       DrawMainMenu();
9748       break;
9749
9750     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE:
9751     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE:
9752     case SCREEN_CTRL_ID_TOUCH_PREV_PAGE2:
9753     case SCREEN_CTRL_ID_TOUCH_NEXT_PAGE2:
9754       PushUserEvent(USEREVENT_GADGET_PRESSED, id, 0);
9755       break;
9756
9757     case SCREEN_CTRL_ID_SCROLL_UP:
9758       if (game_status == GAME_MODE_NAMES)
9759         HandleChoosePlayerName(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9760       else if (game_status == GAME_MODE_LEVELS)
9761         HandleChooseLevelSet(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9762       else if (game_status == GAME_MODE_LEVELNR)
9763         HandleChooseLevelNr(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9764       else if (game_status == GAME_MODE_SETUP)
9765         HandleSetupScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9766       else if (game_status == GAME_MODE_INFO)
9767         HandleInfoScreen(0,0, 0, -1 * SCROLL_LINE, MB_MENU_MARK);
9768       break;
9769
9770     case SCREEN_CTRL_ID_SCROLL_DOWN:
9771       if (game_status == GAME_MODE_NAMES)
9772         HandleChoosePlayerName(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9773       else if (game_status == GAME_MODE_LEVELS)
9774         HandleChooseLevelSet(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9775       else if (game_status == GAME_MODE_LEVELNR)
9776         HandleChooseLevelNr(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9777       else if (game_status == GAME_MODE_SETUP)
9778         HandleSetupScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9779       else if (game_status == GAME_MODE_INFO)
9780         HandleInfoScreen(0,0, 0, +1 * SCROLL_LINE, MB_MENU_MARK);
9781       break;
9782
9783     case SCREEN_CTRL_ID_SCROLL_VERTICAL:
9784       if (game_status == GAME_MODE_NAMES)
9785         HandleChoosePlayerName(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9786       else if (game_status == GAME_MODE_LEVELS)
9787         HandleChooseLevelSet(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9788       else if (game_status == GAME_MODE_LEVELNR)
9789         HandleChooseLevelNr(0,0,999,gi->event.item_position,MB_MENU_INITIALIZE);
9790       else if (game_status == GAME_MODE_SETUP)
9791         HandleSetupScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9792       else if (game_status == GAME_MODE_INFO)
9793         HandleInfoScreen(0,0, 999,gi->event.item_position,MB_MENU_INITIALIZE);
9794       break;
9795
9796     case SCREEN_CTRL_ID_NETWORK_SERVER:
9797     {
9798       if (!strEqual(gi->textinput.value, ""))
9799       {
9800         setString(&setup.network_server_hostname, gi->textinput.value);
9801
9802         network.server_host = setup.network_server_hostname;
9803       }
9804       else
9805       {
9806         setString(&setup.network_server_hostname, STR_NETWORK_AUTO_DETECT);
9807
9808         network.server_host = NULL;
9809       }
9810
9811       if (strEqual(network.server_host, STR_NETWORK_AUTO_DETECT))
9812         network.server_host = NULL;
9813
9814       execSetupGame_setNetworkServerText();
9815
9816       DrawSetupScreen();
9817
9818       break;
9819     }
9820
9821     default:
9822       break;
9823   }
9824 }
9825
9826 void DumpScreenIdentifiers(void)
9827 {
9828   int i;
9829
9830   Print("Active screen elements on current screen:\n");
9831
9832   for (i = 0; main_controls[i].nr != -1; i++)
9833   {
9834     struct MainControlInfo *mci = &main_controls[i];
9835
9836     if (mci->button_graphic != -1)
9837     {
9838       char *token = getTokenFromImageID(mci->button_graphic);
9839
9840       Print("- '%s'\n", token);
9841     }
9842   }
9843
9844   Print("Done.\n");
9845 }
9846
9847 boolean DoScreenAction(int image_id)
9848 {
9849   int i;
9850
9851   if (game_status != GAME_MODE_MAIN)
9852     return FALSE;
9853
9854   for (i = 0; main_controls[i].nr != -1; i++)
9855   {
9856     struct MainControlInfo *mci = &main_controls[i];
9857     struct MenuPosInfo *pos = mci->pos_button;
9858
9859     if (mci->button_graphic == image_id)
9860     {
9861       int x = mSX + pos->x;
9862       int y = mSY + pos->y;
9863
9864       HandleMainMenu(x, y, 0, 0, MB_MENU_CHOICE);
9865
9866       return TRUE;
9867     }
9868   }
9869
9870   return FALSE;
9871 }
9872
9873 void DrawScreenAfterAddingSet(char *tree_subdir_new, int tree_type)
9874 {
9875   // get tree info node of newly added level or artwork set
9876   TreeInfo *tree_node_first = TREE_FIRST_NODE(tree_type);
9877   TreeInfo *tree_node_new = getTreeInfoFromIdentifier(tree_node_first,
9878                                                       tree_subdir_new);
9879   if (tree_node_new == NULL)    // should not happen
9880     return;
9881
9882   // if request dialog is active, do nothing
9883   if (game.request_active)
9884     return;
9885
9886   if (game_status == GAME_MODE_MAIN &&
9887       tree_type == TREE_TYPE_LEVEL_DIR)
9888   {
9889     // when adding new level set in main menu, select it as current level set
9890
9891     // change current level set to newly added level set from zip file
9892     leveldir_current = tree_node_new;
9893
9894     // change current level number to first level of newly added level set
9895     level_nr = leveldir_current->first_level;
9896
9897     // redraw screen to reflect changed level set
9898     DrawMainMenu();
9899
9900     // save this level set and level number as last selected level set
9901     SaveLevelSetup_LastSeries();
9902     SaveLevelSetup_SeriesInfo();
9903   }
9904   else if (game_status == GAME_MODE_LEVELS &&
9905            tree_type == TREE_TYPE_LEVEL_DIR)
9906   {
9907     // when adding new level set in level set menu, set cursor and update screen
9908
9909     leveldir_current = tree_node_new;
9910
9911     DrawChooseTree(&leveldir_current);
9912   }
9913   else if (game_status == GAME_MODE_SETUP)
9914   {
9915     // when adding new artwork set in setup menu, set cursor and update screen
9916
9917     if (setup_mode == SETUP_MODE_CHOOSE_GRAPHICS &&
9918         tree_type == TREE_TYPE_GRAPHICS_DIR)
9919     {
9920       artwork.gfx_current = tree_node_new;
9921
9922       DrawChooseTree(&artwork.gfx_current);
9923     }
9924     else if (setup_mode == SETUP_MODE_CHOOSE_SOUNDS &&
9925              tree_type == TREE_TYPE_SOUNDS_DIR)
9926     {
9927       artwork.snd_current = tree_node_new;
9928
9929       DrawChooseTree(&artwork.snd_current);
9930     }
9931     else if (setup_mode == SETUP_MODE_CHOOSE_MUSIC &&
9932              tree_type == TREE_TYPE_MUSIC_DIR)
9933     {
9934       artwork.mus_current = tree_node_new;
9935
9936       DrawChooseTree(&artwork.mus_current);
9937     }
9938   }
9939 }
9940
9941 static int UploadTapes(void)
9942 {
9943   SetGameStatus(GAME_MODE_LOADING);
9944
9945   FadeSetEnterScreen();
9946   FadeOut(REDRAW_ALL);
9947
9948   ClearRectangle(drawto, 0, 0, WIN_XSIZE, WIN_YSIZE);
9949
9950   FadeIn(REDRAW_ALL);
9951
9952   DrawInitTextHead("Uploading tapes");
9953
9954   global.autoplay_mode = AUTOPLAY_MODE_UPLOAD;
9955   global.autoplay_leveldir = "ALL";
9956   global.autoplay_all = TRUE;
9957
9958   int num_tapes_uploaded = AutoPlayTapes();
9959
9960   global.autoplay_mode = AUTOPLAY_MODE_NONE;
9961   global.autoplay_leveldir = NULL;
9962   global.autoplay_all = FALSE;
9963
9964   SetGameStatus(GAME_MODE_MAIN);
9965
9966   DrawMainMenu();
9967
9968   return num_tapes_uploaded;
9969 }
9970
9971 static boolean OfferUploadTapes(void)
9972 {
9973   if (!Request("Upload all your tapes to the high score server now?", REQ_ASK))
9974     return FALSE;
9975
9976   int num_tapes_uploaded = UploadTapes();
9977   char message[100];
9978
9979   sprintf(message, "%d tapes uploaded!", num_tapes_uploaded);
9980
9981   Request(message, REQ_CONFIRM);
9982
9983   // after all tapes have been uploaded, remove entry from setup menu
9984   setup.provide_uploading_tapes = FALSE;
9985
9986   SaveSetup();
9987
9988   return (num_tapes_uploaded > 0);
9989 }
9990
9991 void CheckUploadTapes(void)
9992 {
9993   if (!setup.ask_for_uploading_tapes)
9994     return;
9995
9996   if (directoryExists(getTapeDir(NULL)))
9997   {
9998     boolean tapes_uploaded = OfferUploadTapes();
9999
10000     if (!tapes_uploaded)
10001       Request("You can upload your tapes from the setup menu later!",
10002               REQ_CONFIRM);
10003   }
10004   else
10005   {
10006     // if tapes directory does not exist yet, never offer uploading all tapes
10007     setup.provide_uploading_tapes = FALSE;
10008   }
10009
10010   // after asking for uploading all tapes once, do not ask again
10011   setup.ask_for_uploading_tapes = FALSE;
10012
10013   SaveSetup();
10014 }