-
Notifications
You must be signed in to change notification settings - Fork 5k
/
x11_init.c
1113 lines (980 loc) · 42.5 KB
/
x11_init.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//========================================================================
// GLFW 3.4 X11 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
// It is fine to use C99 in this file because it will not be built with VS
//========================================================================
#include "internal.h"
#include <X11/Xresource.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <stdio.h>
#include <locale.h>
#include <unistd.h>
// Translate an X11 key code to a GLFW key code.
//
static int translateKeyCode(int scancode)
{
int keySym;
// Valid key code range is [8,255], according to the Xlib manual
if (scancode < 8 || scancode > 255)
return GLFW_KEY_UNKNOWN;
if (_glfw.x11.xkb.available)
{
// Try secondary keysym, for numeric keypad keys
// Note: This way we always force "NumLock = ON", which is intentional
// since the returned key code should correspond to a physical
// location.
keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, _glfw.x11.xkb.group, 1);
switch (keySym)
{
case XK_KP_0: return GLFW_KEY_KP_0;
case XK_KP_1: return GLFW_KEY_KP_1;
case XK_KP_2: return GLFW_KEY_KP_2;
case XK_KP_3: return GLFW_KEY_KP_3;
case XK_KP_4: return GLFW_KEY_KP_4;
case XK_KP_5: return GLFW_KEY_KP_5;
case XK_KP_6: return GLFW_KEY_KP_6;
case XK_KP_7: return GLFW_KEY_KP_7;
case XK_KP_8: return GLFW_KEY_KP_8;
case XK_KP_9: return GLFW_KEY_KP_9;
case XK_KP_Separator:
case XK_KP_Decimal: return GLFW_KEY_KP_DECIMAL;
case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
default: break;
}
// Now try primary keysym for function keys (non-printable keys)
// These should not depend on the current keyboard layout
keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, _glfw.x11.xkb.group, 0);
}
else
{
int dummy;
KeySym* keySyms;
keySyms = XGetKeyboardMapping(_glfw.x11.display, scancode, 1, &dummy);
keySym = keySyms[0];
XFree(keySyms);
}
switch (keySym)
{
case XK_Escape: return GLFW_KEY_ESCAPE;
case XK_Tab: return GLFW_KEY_TAB;
case XK_Shift_L: return GLFW_KEY_LEFT_SHIFT;
case XK_Shift_R: return GLFW_KEY_RIGHT_SHIFT;
case XK_Control_L: return GLFW_KEY_LEFT_CONTROL;
case XK_Control_R: return GLFW_KEY_RIGHT_CONTROL;
case XK_Meta_L:
case XK_Alt_L: return GLFW_KEY_LEFT_ALT;
case XK_Mode_switch: // Mapped to Alt_R on many keyboards
case XK_ISO_Level3_Shift: // AltGr on at least some machines
case XK_Meta_R:
case XK_Alt_R: return GLFW_KEY_RIGHT_ALT;
case XK_Super_L: return GLFW_KEY_LEFT_SUPER;
case XK_Super_R: return GLFW_KEY_RIGHT_SUPER;
case XK_Menu: return GLFW_KEY_MENU;
case XK_Num_Lock: return GLFW_KEY_NUM_LOCK;
case XK_Caps_Lock: return GLFW_KEY_CAPS_LOCK;
case XK_Print: return GLFW_KEY_PRINT_SCREEN;
case XK_Scroll_Lock: return GLFW_KEY_SCROLL_LOCK;
case XK_Pause: return GLFW_KEY_PAUSE;
case XK_Delete: return GLFW_KEY_DELETE;
case XK_BackSpace: return GLFW_KEY_BACKSPACE;
case XK_Return: return GLFW_KEY_ENTER;
case XK_Home: return GLFW_KEY_HOME;
case XK_End: return GLFW_KEY_END;
case XK_Page_Up: return GLFW_KEY_PAGE_UP;
case XK_Page_Down: return GLFW_KEY_PAGE_DOWN;
case XK_Insert: return GLFW_KEY_INSERT;
case XK_Left: return GLFW_KEY_LEFT;
case XK_Right: return GLFW_KEY_RIGHT;
case XK_Down: return GLFW_KEY_DOWN;
case XK_Up: return GLFW_KEY_UP;
case XK_F1: return GLFW_KEY_F1;
case XK_F2: return GLFW_KEY_F2;
case XK_F3: return GLFW_KEY_F3;
case XK_F4: return GLFW_KEY_F4;
case XK_F5: return GLFW_KEY_F5;
case XK_F6: return GLFW_KEY_F6;
case XK_F7: return GLFW_KEY_F7;
case XK_F8: return GLFW_KEY_F8;
case XK_F9: return GLFW_KEY_F9;
case XK_F10: return GLFW_KEY_F10;
case XK_F11: return GLFW_KEY_F11;
case XK_F12: return GLFW_KEY_F12;
case XK_F13: return GLFW_KEY_F13;
case XK_F14: return GLFW_KEY_F14;
case XK_F15: return GLFW_KEY_F15;
case XK_F16: return GLFW_KEY_F16;
case XK_F17: return GLFW_KEY_F17;
case XK_F18: return GLFW_KEY_F18;
case XK_F19: return GLFW_KEY_F19;
case XK_F20: return GLFW_KEY_F20;
case XK_F21: return GLFW_KEY_F21;
case XK_F22: return GLFW_KEY_F22;
case XK_F23: return GLFW_KEY_F23;
case XK_F24: return GLFW_KEY_F24;
case XK_F25: return GLFW_KEY_F25;
// Numeric keypad
case XK_KP_Divide: return GLFW_KEY_KP_DIVIDE;
case XK_KP_Multiply: return GLFW_KEY_KP_MULTIPLY;
case XK_KP_Subtract: return GLFW_KEY_KP_SUBTRACT;
case XK_KP_Add: return GLFW_KEY_KP_ADD;
// These should have been detected in secondary keysym test above!
case XK_KP_Insert: return GLFW_KEY_KP_0;
case XK_KP_End: return GLFW_KEY_KP_1;
case XK_KP_Down: return GLFW_KEY_KP_2;
case XK_KP_Page_Down: return GLFW_KEY_KP_3;
case XK_KP_Left: return GLFW_KEY_KP_4;
case XK_KP_Right: return GLFW_KEY_KP_6;
case XK_KP_Home: return GLFW_KEY_KP_7;
case XK_KP_Up: return GLFW_KEY_KP_8;
case XK_KP_Page_Up: return GLFW_KEY_KP_9;
case XK_KP_Delete: return GLFW_KEY_KP_DECIMAL;
case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
// Last resort: Check for printable keys (should not happen if the XKB
// extension is available). This will give a layout dependent mapping
// (which is wrong, and we may miss some keys, especially on non-US
// keyboards), but it's better than nothing...
case XK_a: return GLFW_KEY_A;
case XK_b: return GLFW_KEY_B;
case XK_c: return GLFW_KEY_C;
case XK_d: return GLFW_KEY_D;
case XK_e: return GLFW_KEY_E;
case XK_f: return GLFW_KEY_F;
case XK_g: return GLFW_KEY_G;
case XK_h: return GLFW_KEY_H;
case XK_i: return GLFW_KEY_I;
case XK_j: return GLFW_KEY_J;
case XK_k: return GLFW_KEY_K;
case XK_l: return GLFW_KEY_L;
case XK_m: return GLFW_KEY_M;
case XK_n: return GLFW_KEY_N;
case XK_o: return GLFW_KEY_O;
case XK_p: return GLFW_KEY_P;
case XK_q: return GLFW_KEY_Q;
case XK_r: return GLFW_KEY_R;
case XK_s: return GLFW_KEY_S;
case XK_t: return GLFW_KEY_T;
case XK_u: return GLFW_KEY_U;
case XK_v: return GLFW_KEY_V;
case XK_w: return GLFW_KEY_W;
case XK_x: return GLFW_KEY_X;
case XK_y: return GLFW_KEY_Y;
case XK_z: return GLFW_KEY_Z;
case XK_1: return GLFW_KEY_1;
case XK_2: return GLFW_KEY_2;
case XK_3: return GLFW_KEY_3;
case XK_4: return GLFW_KEY_4;
case XK_5: return GLFW_KEY_5;
case XK_6: return GLFW_KEY_6;
case XK_7: return GLFW_KEY_7;
case XK_8: return GLFW_KEY_8;
case XK_9: return GLFW_KEY_9;
case XK_0: return GLFW_KEY_0;
case XK_space: return GLFW_KEY_SPACE;
case XK_minus: return GLFW_KEY_MINUS;
case XK_equal: return GLFW_KEY_EQUAL;
case XK_bracketleft: return GLFW_KEY_LEFT_BRACKET;
case XK_bracketright: return GLFW_KEY_RIGHT_BRACKET;
case XK_backslash: return GLFW_KEY_BACKSLASH;
case XK_semicolon: return GLFW_KEY_SEMICOLON;
case XK_apostrophe: return GLFW_KEY_APOSTROPHE;
case XK_grave: return GLFW_KEY_GRAVE_ACCENT;
case XK_comma: return GLFW_KEY_COMMA;
case XK_period: return GLFW_KEY_PERIOD;
case XK_slash: return GLFW_KEY_SLASH;
case XK_less: return GLFW_KEY_WORLD_1; // At least in some layouts...
default: break;
}
// No matching translation was found
return GLFW_KEY_UNKNOWN;
}
// Create key code translation tables
//
static void createKeyTables(void)
{
int scancode, key;
memset(_glfw.x11.keycodes, -1, sizeof(_glfw.x11.keycodes));
memset(_glfw.x11.scancodes, -1, sizeof(_glfw.x11.scancodes));
if (_glfw.x11.xkb.available)
{
// Use XKB to determine physical key locations independently of the
// current keyboard layout
char name[XkbKeyNameLength + 1];
XkbDescPtr desc = XkbGetMap(_glfw.x11.display, 0, XkbUseCoreKbd);
XkbGetNames(_glfw.x11.display, XkbKeyNamesMask, desc);
// Find the X11 key code -> GLFW key code mapping
for (scancode = desc->min_key_code; scancode <= desc->max_key_code; scancode++)
{
memcpy(name, desc->names->keys[scancode].name, XkbKeyNameLength);
name[XkbKeyNameLength] = '\0';
// Map the key name to a GLFW key code. Note: We only map printable
// keys here, and we use the US keyboard layout. The rest of the
// keys (function keys) are mapped using traditional KeySym
// translations.
if (strcmp(name, "TLDE") == 0) key = GLFW_KEY_GRAVE_ACCENT;
else if (strcmp(name, "AE01") == 0) key = GLFW_KEY_1;
else if (strcmp(name, "AE02") == 0) key = GLFW_KEY_2;
else if (strcmp(name, "AE03") == 0) key = GLFW_KEY_3;
else if (strcmp(name, "AE04") == 0) key = GLFW_KEY_4;
else if (strcmp(name, "AE05") == 0) key = GLFW_KEY_5;
else if (strcmp(name, "AE06") == 0) key = GLFW_KEY_6;
else if (strcmp(name, "AE07") == 0) key = GLFW_KEY_7;
else if (strcmp(name, "AE08") == 0) key = GLFW_KEY_8;
else if (strcmp(name, "AE09") == 0) key = GLFW_KEY_9;
else if (strcmp(name, "AE10") == 0) key = GLFW_KEY_0;
else if (strcmp(name, "AE11") == 0) key = GLFW_KEY_MINUS;
else if (strcmp(name, "AE12") == 0) key = GLFW_KEY_EQUAL;
else if (strcmp(name, "AD01") == 0) key = GLFW_KEY_Q;
else if (strcmp(name, "AD02") == 0) key = GLFW_KEY_W;
else if (strcmp(name, "AD03") == 0) key = GLFW_KEY_E;
else if (strcmp(name, "AD04") == 0) key = GLFW_KEY_R;
else if (strcmp(name, "AD05") == 0) key = GLFW_KEY_T;
else if (strcmp(name, "AD06") == 0) key = GLFW_KEY_Y;
else if (strcmp(name, "AD07") == 0) key = GLFW_KEY_U;
else if (strcmp(name, "AD08") == 0) key = GLFW_KEY_I;
else if (strcmp(name, "AD09") == 0) key = GLFW_KEY_O;
else if (strcmp(name, "AD10") == 0) key = GLFW_KEY_P;
else if (strcmp(name, "AD11") == 0) key = GLFW_KEY_LEFT_BRACKET;
else if (strcmp(name, "AD12") == 0) key = GLFW_KEY_RIGHT_BRACKET;
else if (strcmp(name, "AC01") == 0) key = GLFW_KEY_A;
else if (strcmp(name, "AC02") == 0) key = GLFW_KEY_S;
else if (strcmp(name, "AC03") == 0) key = GLFW_KEY_D;
else if (strcmp(name, "AC04") == 0) key = GLFW_KEY_F;
else if (strcmp(name, "AC05") == 0) key = GLFW_KEY_G;
else if (strcmp(name, "AC06") == 0) key = GLFW_KEY_H;
else if (strcmp(name, "AC07") == 0) key = GLFW_KEY_J;
else if (strcmp(name, "AC08") == 0) key = GLFW_KEY_K;
else if (strcmp(name, "AC09") == 0) key = GLFW_KEY_L;
else if (strcmp(name, "AC10") == 0) key = GLFW_KEY_SEMICOLON;
else if (strcmp(name, "AC11") == 0) key = GLFW_KEY_APOSTROPHE;
else if (strcmp(name, "AB01") == 0) key = GLFW_KEY_Z;
else if (strcmp(name, "AB02") == 0) key = GLFW_KEY_X;
else if (strcmp(name, "AB03") == 0) key = GLFW_KEY_C;
else if (strcmp(name, "AB04") == 0) key = GLFW_KEY_V;
else if (strcmp(name, "AB05") == 0) key = GLFW_KEY_B;
else if (strcmp(name, "AB06") == 0) key = GLFW_KEY_N;
else if (strcmp(name, "AB07") == 0) key = GLFW_KEY_M;
else if (strcmp(name, "AB08") == 0) key = GLFW_KEY_COMMA;
else if (strcmp(name, "AB09") == 0) key = GLFW_KEY_PERIOD;
else if (strcmp(name, "AB10") == 0) key = GLFW_KEY_SLASH;
else if (strcmp(name, "BKSL") == 0) key = GLFW_KEY_BACKSLASH;
else if (strcmp(name, "LSGT") == 0) key = GLFW_KEY_WORLD_1;
else key = GLFW_KEY_UNKNOWN;
if ((scancode >= 0) && (scancode < 256))
_glfw.x11.keycodes[scancode] = key;
}
XkbFreeNames(desc, XkbKeyNamesMask, True);
XkbFreeKeyboard(desc, 0, True);
}
for (scancode = 0; scancode < 256; scancode++)
{
// Translate the un-translated key codes using traditional X11 KeySym
// lookups
if (_glfw.x11.keycodes[scancode] < 0)
_glfw.x11.keycodes[scancode] = translateKeyCode(scancode);
// Store the reverse translation for faster key name lookup
if (_glfw.x11.keycodes[scancode] > 0)
_glfw.x11.scancodes[_glfw.x11.keycodes[scancode]] = scancode;
}
}
// Check whether the IM has a usable style
//
static GLFWbool hasUsableInputMethodStyle(void)
{
GLFWbool found = GLFW_FALSE;
XIMStyles* styles = NULL;
if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL)
return GLFW_FALSE;
for (unsigned int i = 0; i < styles->count_styles; i++)
{
if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing))
{
found = GLFW_TRUE;
break;
}
}
XFree(styles);
return found;
}
// Check whether the specified atom is supported
//
static Atom getSupportedAtom(Atom* supportedAtoms,
unsigned long atomCount,
const char* atomName)
{
const Atom atom = XInternAtom(_glfw.x11.display, atomName, False);
for (unsigned int i = 0; i < atomCount; i++)
{
if (supportedAtoms[i] == atom)
return atom;
}
return None;
}
// Check whether the running window manager is EWMH-compliant
//
static void detectEWMH(void)
{
// First we read the _NET_SUPPORTING_WM_CHECK property on the root window
Window* windowFromRoot = NULL;
if (!_glfwGetWindowPropertyX11(_glfw.x11.root,
_glfw.x11.NET_SUPPORTING_WM_CHECK,
XA_WINDOW,
(unsigned char**) &windowFromRoot))
{
return;
}
_glfwGrabErrorHandlerX11();
// If it exists, it should be the XID of a top-level window
// Then we look for the same property on that window
Window* windowFromChild = NULL;
if (!_glfwGetWindowPropertyX11(*windowFromRoot,
_glfw.x11.NET_SUPPORTING_WM_CHECK,
XA_WINDOW,
(unsigned char**) &windowFromChild))
{
XFree(windowFromRoot);
return;
}
_glfwReleaseErrorHandlerX11();
// If the property exists, it should contain the XID of the window
if (*windowFromRoot != *windowFromChild)
{
XFree(windowFromRoot);
XFree(windowFromChild);
return;
}
XFree(windowFromRoot);
XFree(windowFromChild);
// We are now fairly sure that an EWMH-compliant WM is currently running
// We can now start querying the WM about what features it supports by
// looking in the _NET_SUPPORTED property on the root window
// It should contain a list of supported EWMH protocol and state atoms
Atom* supportedAtoms = NULL;
const unsigned long atomCount =
_glfwGetWindowPropertyX11(_glfw.x11.root,
_glfw.x11.NET_SUPPORTED,
XA_ATOM,
(unsigned char**) &supportedAtoms);
// See which of the atoms we support that are supported by the WM
_glfw.x11.NET_WM_STATE =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
_glfw.x11.NET_WM_STATE_ABOVE =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_ABOVE");
_glfw.x11.NET_WM_STATE_FULLSCREEN =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
_glfw.x11.NET_WM_STATE_MAXIMIZED_VERT =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_VERT");
_glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_HORZ");
_glfw.x11.NET_WM_STATE_DEMANDS_ATTENTION =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_DEMANDS_ATTENTION");
_glfw.x11.NET_WM_FULLSCREEN_MONITORS =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_FULLSCREEN_MONITORS");
_glfw.x11.NET_WM_WINDOW_TYPE =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE");
_glfw.x11.NET_WM_WINDOW_TYPE_NORMAL =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE_NORMAL");
_glfw.x11.NET_WORKAREA =
getSupportedAtom(supportedAtoms, atomCount, "_NET_WORKAREA");
_glfw.x11.NET_CURRENT_DESKTOP =
getSupportedAtom(supportedAtoms, atomCount, "_NET_CURRENT_DESKTOP");
_glfw.x11.NET_ACTIVE_WINDOW =
getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW");
_glfw.x11.NET_FRAME_EXTENTS =
getSupportedAtom(supportedAtoms, atomCount, "_NET_FRAME_EXTENTS");
_glfw.x11.NET_REQUEST_FRAME_EXTENTS =
getSupportedAtom(supportedAtoms, atomCount, "_NET_REQUEST_FRAME_EXTENTS");
if (supportedAtoms)
XFree(supportedAtoms);
}
// Look for and initialize supported X11 extensions
//
static GLFWbool initExtensions(void)
{
_glfw.x11.vidmode.handle = _glfw_dlopen("libXxf86vm.so.1");
if (_glfw.x11.vidmode.handle)
{
_glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension)
_glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension");
_glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp)
_glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp");
_glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp)
_glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp");
_glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize)
_glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRampSize");
_glfw.x11.vidmode.available =
XF86VidModeQueryExtension(_glfw.x11.display,
&_glfw.x11.vidmode.eventBase,
&_glfw.x11.vidmode.errorBase);
}
#if defined(__CYGWIN__)
_glfw.x11.xi.handle = _glfw_dlopen("libXi-6.so");
#else
_glfw.x11.xi.handle = _glfw_dlopen("libXi.so.6");
#endif
if (_glfw.x11.xi.handle)
{
_glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion)
_glfw_dlsym(_glfw.x11.xi.handle, "XIQueryVersion");
_glfw.x11.xi.SelectEvents = (PFN_XISelectEvents)
_glfw_dlsym(_glfw.x11.xi.handle, "XISelectEvents");
if (XQueryExtension(_glfw.x11.display,
"XInputExtension",
&_glfw.x11.xi.majorOpcode,
&_glfw.x11.xi.eventBase,
&_glfw.x11.xi.errorBase))
{
_glfw.x11.xi.major = 2;
_glfw.x11.xi.minor = 0;
if (XIQueryVersion(_glfw.x11.display,
&_glfw.x11.xi.major,
&_glfw.x11.xi.minor) == Success)
{
_glfw.x11.xi.available = GLFW_TRUE;
}
}
}
#if defined(__CYGWIN__)
_glfw.x11.randr.handle = _glfw_dlopen("libXrandr-2.so");
#else
_glfw.x11.randr.handle = _glfw_dlopen("libXrandr.so.2");
#endif
if (_glfw.x11.randr.handle)
{
_glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRAllocGamma");
_glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
_glfw.x11.randr.FreeCrtcInfo = (PFN_XRRFreeCrtcInfo)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeCrtcInfo");
_glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
_glfw.x11.randr.FreeOutputInfo = (PFN_XRRFreeOutputInfo)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeOutputInfo");
_glfw.x11.randr.FreeScreenResources = (PFN_XRRFreeScreenResources)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeScreenResources");
_glfw.x11.randr.GetCrtcGamma = (PFN_XRRGetCrtcGamma)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGamma");
_glfw.x11.randr.GetCrtcGammaSize = (PFN_XRRGetCrtcGammaSize)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGammaSize");
_glfw.x11.randr.GetCrtcInfo = (PFN_XRRGetCrtcInfo)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcInfo");
_glfw.x11.randr.GetOutputInfo = (PFN_XRRGetOutputInfo)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputInfo");
_glfw.x11.randr.GetOutputPrimary = (PFN_XRRGetOutputPrimary)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputPrimary");
_glfw.x11.randr.GetScreenResourcesCurrent = (PFN_XRRGetScreenResourcesCurrent)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRGetScreenResourcesCurrent");
_glfw.x11.randr.QueryExtension = (PFN_XRRQueryExtension)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryExtension");
_glfw.x11.randr.QueryVersion = (PFN_XRRQueryVersion)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryVersion");
_glfw.x11.randr.SelectInput = (PFN_XRRSelectInput)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRSelectInput");
_glfw.x11.randr.SetCrtcConfig = (PFN_XRRSetCrtcConfig)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcConfig");
_glfw.x11.randr.SetCrtcGamma = (PFN_XRRSetCrtcGamma)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcGamma");
_glfw.x11.randr.UpdateConfiguration = (PFN_XRRUpdateConfiguration)
_glfw_dlsym(_glfw.x11.randr.handle, "XRRUpdateConfiguration");
if (XRRQueryExtension(_glfw.x11.display,
&_glfw.x11.randr.eventBase,
&_glfw.x11.randr.errorBase))
{
if (XRRQueryVersion(_glfw.x11.display,
&_glfw.x11.randr.major,
&_glfw.x11.randr.minor))
{
// The GLFW RandR path requires at least version 1.3
if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3)
_glfw.x11.randr.available = GLFW_TRUE;
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to query RandR version");
}
}
}
if (_glfw.x11.randr.available)
{
XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display,
_glfw.x11.root);
if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0]))
{
// This is likely an older Nvidia driver with broken gamma support
// Flag it as useless and fall back to xf86vm gamma, if available
_glfw.x11.randr.gammaBroken = GLFW_TRUE;
}
if (!sr->ncrtc)
{
// A system without CRTCs is likely a system with broken RandR
// Disable the RandR monitor path and fall back to core functions
_glfw.x11.randr.monitorBroken = GLFW_TRUE;
}
XRRFreeScreenResources(sr);
}
if (_glfw.x11.randr.available && !_glfw.x11.randr.monitorBroken)
{
XRRSelectInput(_glfw.x11.display, _glfw.x11.root,
RROutputChangeNotifyMask);
}
#if defined(__CYGWIN__)
_glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor-1.so");
#else
_glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.so.1");
#endif
if (_glfw.x11.xcursor.handle)
{
_glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageCreate");
_glfw.x11.xcursor.ImageDestroy = (PFN_XcursorImageDestroy)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageDestroy");
_glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor");
_glfw.x11.xcursor.GetTheme = (PFN_XcursorGetTheme)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetTheme");
_glfw.x11.xcursor.GetDefaultSize = (PFN_XcursorGetDefaultSize)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorGetDefaultSize");
_glfw.x11.xcursor.LibraryLoadImage = (PFN_XcursorLibraryLoadImage)
_glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorLibraryLoadImage");
}
#if defined(__CYGWIN__)
_glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so");
#else
_glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.so.1");
#endif
if (_glfw.x11.xinerama.handle)
{
_glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive)
_glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaIsActive");
_glfw.x11.xinerama.QueryExtension = (PFN_XineramaQueryExtension)
_glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryExtension");
_glfw.x11.xinerama.QueryScreens = (PFN_XineramaQueryScreens)
_glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryScreens");
if (XineramaQueryExtension(_glfw.x11.display,
&_glfw.x11.xinerama.major,
&_glfw.x11.xinerama.minor))
{
if (XineramaIsActive(_glfw.x11.display))
_glfw.x11.xinerama.available = GLFW_TRUE;
}
}
_glfw.x11.xkb.major = 1;
_glfw.x11.xkb.minor = 0;
_glfw.x11.xkb.available =
XkbQueryExtension(_glfw.x11.display,
&_glfw.x11.xkb.majorOpcode,
&_glfw.x11.xkb.eventBase,
&_glfw.x11.xkb.errorBase,
&_glfw.x11.xkb.major,
&_glfw.x11.xkb.minor);
if (_glfw.x11.xkb.available)
{
Bool supported;
if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
{
if (supported)
_glfw.x11.xkb.detectable = GLFW_TRUE;
}
_glfw.x11.xkb.group = 0;
XkbStateRec state;
if (XkbGetState(_glfw.x11.display, XkbUseCoreKbd, &state) == Success)
{
XkbSelectEventDetails(_glfw.x11.display, XkbUseCoreKbd, XkbStateNotify, XkbAllStateComponentsMask, XkbGroupStateMask);
_glfw.x11.xkb.group = (unsigned int)state.group;
}
}
#if defined(__CYGWIN__)
_glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so");
#else
_glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.so.1");
#endif
if (_glfw.x11.x11xcb.handle)
{
_glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection)
_glfw_dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection");
}
#if defined(__CYGWIN__)
_glfw.x11.xrender.handle = _glfw_dlopen("libXrender-1.so");
#else
_glfw.x11.xrender.handle = _glfw_dlopen("libXrender.so.1");
#endif
if (_glfw.x11.xrender.handle)
{
_glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension)
_glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryExtension");
_glfw.x11.xrender.QueryVersion = (PFN_XRenderQueryVersion)
_glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryVersion");
_glfw.x11.xrender.FindVisualFormat = (PFN_XRenderFindVisualFormat)
_glfw_dlsym(_glfw.x11.xrender.handle, "XRenderFindVisualFormat");
if (XRenderQueryExtension(_glfw.x11.display,
&_glfw.x11.xrender.errorBase,
&_glfw.x11.xrender.eventBase))
{
if (XRenderQueryVersion(_glfw.x11.display,
&_glfw.x11.xrender.major,
&_glfw.x11.xrender.minor))
{
_glfw.x11.xrender.available = GLFW_TRUE;
}
}
}
// Update the key code LUT
// FIXME: We should listen to XkbMapNotify events to track changes to
// the keyboard mapping.
createKeyTables();
// String format atoms
_glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False);
_glfw.x11.UTF8_STRING = XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
_glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);
// Custom selection property atom
_glfw.x11.GLFW_SELECTION =
XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);
// ICCCM standard clipboard atoms
_glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
_glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
_glfw.x11.PRIMARY = XInternAtom(_glfw.x11.display, "PRIMARY", False);
_glfw.x11.INCR = XInternAtom(_glfw.x11.display, "INCR", False);
_glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);
// Clipboard manager atoms
_glfw.x11.CLIPBOARD_MANAGER =
XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
_glfw.x11.SAVE_TARGETS =
XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);
// Xdnd (drag and drop) atoms
_glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", False);
_glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", False);
_glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", False);
_glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", False);
_glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", False);
_glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", False);
_glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False);
_glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False);
_glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False);
_glfw.x11.text_uri_list = XInternAtom(_glfw.x11.display, "text/uri-list", False);
// ICCCM, EWMH and Motif window property atoms
// These can be set safely even without WM support
// The EWMH atoms that require WM support are handled in detectEWMH
_glfw.x11.WM_PROTOCOLS =
XInternAtom(_glfw.x11.display, "WM_PROTOCOLS", False);
_glfw.x11.WM_STATE =
XInternAtom(_glfw.x11.display, "WM_STATE", False);
_glfw.x11.WM_DELETE_WINDOW =
XInternAtom(_glfw.x11.display, "WM_DELETE_WINDOW", False);
_glfw.x11.NET_SUPPORTED =
XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", False);
_glfw.x11.NET_SUPPORTING_WM_CHECK =
XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", False);
_glfw.x11.NET_WM_ICON =
XInternAtom(_glfw.x11.display, "_NET_WM_ICON", False);
_glfw.x11.NET_WM_PING =
XInternAtom(_glfw.x11.display, "_NET_WM_PING", False);
_glfw.x11.NET_WM_PID =
XInternAtom(_glfw.x11.display, "_NET_WM_PID", False);
_glfw.x11.NET_WM_NAME =
XInternAtom(_glfw.x11.display, "_NET_WM_NAME", False);
_glfw.x11.NET_WM_ICON_NAME =
XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False);
_glfw.x11.NET_WM_BYPASS_COMPOSITOR =
XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False);
_glfw.x11.NET_WM_WINDOW_OPACITY =
XInternAtom(_glfw.x11.display, "_NET_WM_WINDOW_OPACITY", False);
_glfw.x11.MOTIF_WM_HINTS =
XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False);
// The compositing manager selection name contains the screen number
{
char name[32];
snprintf(name, sizeof(name), "_NET_WM_CM_S%u", _glfw.x11.screen);
_glfw.x11.NET_WM_CM_Sx = XInternAtom(_glfw.x11.display, name, False);
}
// Detect whether an EWMH-conformant window manager is running
detectEWMH();
return GLFW_TRUE;
}
// Retrieve system content scale via folklore heuristics
//
static void getSystemContentScale(float* xscale, float* yscale)
{
// Start by assuming the default X11 DPI
// NOTE: Some desktop environments (KDE) may remove the Xft.dpi field when it
// would be set to 96, so assume that is the case if we cannot find it
float xdpi = 96.f, ydpi = 96.f;
// NOTE: Basing the scale on Xft.dpi where available should provide the most
// consistent user experience (matches Qt, Gtk, etc), although not
// always the most accurate one
char* rms = XResourceManagerString(_glfw.x11.display);
if (rms)
{
XrmDatabase db = XrmGetStringDatabase(rms);
if (db)
{
XrmValue value;
char* type = NULL;
if (XrmGetResource(db, "Xft.dpi", "Xft.Dpi", &type, &value))
{
if (type && strcmp(type, "String") == 0)
xdpi = ydpi = atof(value.addr);
}
XrmDestroyDatabase(db);
}
}
*xscale = xdpi / 96.f;
*yscale = ydpi / 96.f;
}
// Create a blank cursor for hidden and disabled cursor modes
//
static Cursor createHiddenCursor(void)
{
unsigned char pixels[16 * 16 * 4] = { 0 };
GLFWimage image = { 16, 16, pixels };
return _glfwCreateCursorX11(&image, 0, 0);
}
// Create a helper window for IPC
//
static Window createHelperWindow(void)
{
XSetWindowAttributes wa;
wa.event_mask = PropertyChangeMask;
return XCreateWindow(_glfw.x11.display, _glfw.x11.root,
0, 0, 1, 1, 0, 0,
InputOnly,
DefaultVisual(_glfw.x11.display, _glfw.x11.screen),
CWEventMask, &wa);
}
// X error handler
//
static int errorHandler(Display *display, XErrorEvent* event)
{
_glfw.x11.errorCode = event->error_code;
return 0;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Sets the X error handler callback
//
void _glfwGrabErrorHandlerX11(void)
{
_glfw.x11.errorCode = Success;
XSetErrorHandler(errorHandler);
}
// Clears the X error handler callback
//
void _glfwReleaseErrorHandlerX11(void)
{
// Synchronize to make sure all commands are processed
XSync(_glfw.x11.display, False);
XSetErrorHandler(NULL);
}
// Reports the specified error, appending information about the last X error
//
void _glfwInputErrorX11(int error, const char* message)
{
char buffer[_GLFW_MESSAGE_SIZE];
XGetErrorText(_glfw.x11.display, _glfw.x11.errorCode,
buffer, sizeof(buffer));
_glfwInputError(error, "%s: %s", message, buffer);
}
// Creates a native cursor object from the specified image and hotspot
//
Cursor _glfwCreateCursorX11(const GLFWimage* image, int xhot, int yhot)
{
int i;
Cursor cursor;
if (!_glfw.x11.xcursor.handle)
return None;
XcursorImage* native = XcursorImageCreate(image->width, image->height);
if (native == NULL)
return None;
native->xhot = xhot;
native->yhot = yhot;
unsigned char* source = (unsigned char*) image->pixels;
XcursorPixel* target = native->pixels;
for (i = 0; i < image->width * image->height; i++, target++, source += 4)
{
unsigned int alpha = source[3];
*target = (alpha << 24) |
((unsigned char) ((source[0] * alpha) / 255) << 16) |
((unsigned char) ((source[1] * alpha) / 255) << 8) |
((unsigned char) ((source[2] * alpha) / 255) << 0);
}
cursor = XcursorImageLoadCursor(_glfw.x11.display, native);
XcursorImageDestroy(native);
return cursor;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
#if !defined(X_HAVE_UTF8_STRING)
// HACK: If the current locale is "C" and the Xlib UTF-8 functions are
// unavailable, apply the environment's locale in the hope that it's
// both available and not "C"
// This is done because the "C" locale breaks wide character input,
// which is what we fall back on when UTF-8 support is missing
if (strcmp(setlocale(LC_CTYPE, NULL), "C") == 0)
setlocale(LC_CTYPE, "");
#endif
XInitThreads();
XrmInitialize();
_glfw.x11.display = XOpenDisplay(NULL);
if (!_glfw.x11.display)
{
const char* display = getenv("DISPLAY");
if (display)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: Failed to open display %s", display);
}
else
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"X11: The DISPLAY environment variable is missing");
}
return GLFW_FALSE;
}
_glfw.x11.screen = DefaultScreen(_glfw.x11.display);
_glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen);
_glfw.x11.context = XUniqueContext();
getSystemContentScale(&_glfw.x11.contentScaleX, &_glfw.x11.contentScaleY);
if (!initExtensions())
return GLFW_FALSE;
_glfw.x11.helperWindowHandle = createHelperWindow();
_glfw.x11.hiddenCursorHandle = createHiddenCursor();
if (XSupportsLocale())
{
XSetLocaleModifiers("");
_glfw.x11.im = XOpenIM(_glfw.x11.display, 0, NULL, NULL);
if (_glfw.x11.im)
{
if (!hasUsableInputMethodStyle())
{
XCloseIM(_glfw.x11.im);
_glfw.x11.im = NULL;
}
}
}
#if defined(__linux__)
if (!_glfwInitJoysticksLinux())