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ShaderPlayground / deps / glfw / src / x11_init.c
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1//========================================================================
2// GLFW 3.3 X11 - www.glfw.org
3//------------------------------------------------------------------------
4// Copyright (c) 2002-2006 Marcus Geelnard
5// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org>
6//
7// This software is provided 'as-is', without any express or implied
8// warranty. In no event will the authors be held liable for any damages
9// arising from the use of this software.
10//
11// Permission is granted to anyone to use this software for any purpose,
12// including commercial applications, and to alter it and redistribute it
13// freely, subject to the following restrictions:
14//
15// 1. The origin of this software must not be misrepresented; you must not
16// claim that you wrote the original software. If you use this software
17// in a product, an acknowledgment in the product documentation would
18// be appreciated but is not required.
19//
20// 2. Altered source versions must be plainly marked as such, and must not
21// be misrepresented as being the original software.
22//
23// 3. This notice may not be removed or altered from any source
24// distribution.
25//
26//========================================================================
27// It is fine to use C99 in this file because it will not be built with VS
28//========================================================================
29
30#include "internal.h"
31
32#include <X11/Xresource.h>
33
34#include <stdlib.h>
35#include <string.h>
36#include <limits.h>
37#include <stdio.h>
38#include <locale.h>
39
40
41// Translate an X11 key code to a GLFW key code.
42//
43static int translateKeyCode(int scancode)
44{
45 int keySym;
46
47 // Valid key code range is [8,255], according to the Xlib manual
48 if (scancode < 8 || scancode > 255)
49 return GLFW_KEY_UNKNOWN;
50
51 if (_glfw.x11.xkb.available)
52 {
53 // Try secondary keysym, for numeric keypad keys
54 // Note: This way we always force "NumLock = ON", which is intentional
55 // since the returned key code should correspond to a physical
56 // location.
57 keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, _glfw.x11.xkb.group, 1);
58 switch (keySym)
59 {
60 case XK_KP_0: return GLFW_KEY_KP_0;
61 case XK_KP_1: return GLFW_KEY_KP_1;
62 case XK_KP_2: return GLFW_KEY_KP_2;
63 case XK_KP_3: return GLFW_KEY_KP_3;
64 case XK_KP_4: return GLFW_KEY_KP_4;
65 case XK_KP_5: return GLFW_KEY_KP_5;
66 case XK_KP_6: return GLFW_KEY_KP_6;
67 case XK_KP_7: return GLFW_KEY_KP_7;
68 case XK_KP_8: return GLFW_KEY_KP_8;
69 case XK_KP_9: return GLFW_KEY_KP_9;
70 case XK_KP_Separator:
71 case XK_KP_Decimal: return GLFW_KEY_KP_DECIMAL;
72 case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
73 case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
74 default: break;
75 }
76
77 // Now try primary keysym for function keys (non-printable keys)
78 // These should not depend on the current keyboard layout
79 keySym = XkbKeycodeToKeysym(_glfw.x11.display, scancode, _glfw.x11.xkb.group, 0);
80 }
81 else
82 {
83 int dummy;
84 KeySym* keySyms;
85
86 keySyms = XGetKeyboardMapping(_glfw.x11.display, scancode, 1, &dummy);
87 keySym = keySyms[0];
88 XFree(keySyms);
89 }
90
91 switch (keySym)
92 {
93 case XK_Escape: return GLFW_KEY_ESCAPE;
94 case XK_Tab: return GLFW_KEY_TAB;
95 case XK_Shift_L: return GLFW_KEY_LEFT_SHIFT;
96 case XK_Shift_R: return GLFW_KEY_RIGHT_SHIFT;
97 case XK_Control_L: return GLFW_KEY_LEFT_CONTROL;
98 case XK_Control_R: return GLFW_KEY_RIGHT_CONTROL;
99 case XK_Meta_L:
100 case XK_Alt_L: return GLFW_KEY_LEFT_ALT;
101 case XK_Mode_switch: // Mapped to Alt_R on many keyboards
102 case XK_ISO_Level3_Shift: // AltGr on at least some machines
103 case XK_Meta_R:
104 case XK_Alt_R: return GLFW_KEY_RIGHT_ALT;
105 case XK_Super_L: return GLFW_KEY_LEFT_SUPER;
106 case XK_Super_R: return GLFW_KEY_RIGHT_SUPER;
107 case XK_Menu: return GLFW_KEY_MENU;
108 case XK_Num_Lock: return GLFW_KEY_NUM_LOCK;
109 case XK_Caps_Lock: return GLFW_KEY_CAPS_LOCK;
110 case XK_Print: return GLFW_KEY_PRINT_SCREEN;
111 case XK_Scroll_Lock: return GLFW_KEY_SCROLL_LOCK;
112 case XK_Pause: return GLFW_KEY_PAUSE;
113 case XK_Delete: return GLFW_KEY_DELETE;
114 case XK_BackSpace: return GLFW_KEY_BACKSPACE;
115 case XK_Return: return GLFW_KEY_ENTER;
116 case XK_Home: return GLFW_KEY_HOME;
117 case XK_End: return GLFW_KEY_END;
118 case XK_Page_Up: return GLFW_KEY_PAGE_UP;
119 case XK_Page_Down: return GLFW_KEY_PAGE_DOWN;
120 case XK_Insert: return GLFW_KEY_INSERT;
121 case XK_Left: return GLFW_KEY_LEFT;
122 case XK_Right: return GLFW_KEY_RIGHT;
123 case XK_Down: return GLFW_KEY_DOWN;
124 case XK_Up: return GLFW_KEY_UP;
125 case XK_F1: return GLFW_KEY_F1;
126 case XK_F2: return GLFW_KEY_F2;
127 case XK_F3: return GLFW_KEY_F3;
128 case XK_F4: return GLFW_KEY_F4;
129 case XK_F5: return GLFW_KEY_F5;
130 case XK_F6: return GLFW_KEY_F6;
131 case XK_F7: return GLFW_KEY_F7;
132 case XK_F8: return GLFW_KEY_F8;
133 case XK_F9: return GLFW_KEY_F9;
134 case XK_F10: return GLFW_KEY_F10;
135 case XK_F11: return GLFW_KEY_F11;
136 case XK_F12: return GLFW_KEY_F12;
137 case XK_F13: return GLFW_KEY_F13;
138 case XK_F14: return GLFW_KEY_F14;
139 case XK_F15: return GLFW_KEY_F15;
140 case XK_F16: return GLFW_KEY_F16;
141 case XK_F17: return GLFW_KEY_F17;
142 case XK_F18: return GLFW_KEY_F18;
143 case XK_F19: return GLFW_KEY_F19;
144 case XK_F20: return GLFW_KEY_F20;
145 case XK_F21: return GLFW_KEY_F21;
146 case XK_F22: return GLFW_KEY_F22;
147 case XK_F23: return GLFW_KEY_F23;
148 case XK_F24: return GLFW_KEY_F24;
149 case XK_F25: return GLFW_KEY_F25;
150
151 // Numeric keypad
152 case XK_KP_Divide: return GLFW_KEY_KP_DIVIDE;
153 case XK_KP_Multiply: return GLFW_KEY_KP_MULTIPLY;
154 case XK_KP_Subtract: return GLFW_KEY_KP_SUBTRACT;
155 case XK_KP_Add: return GLFW_KEY_KP_ADD;
156
157 // These should have been detected in secondary keysym test above!
158 case XK_KP_Insert: return GLFW_KEY_KP_0;
159 case XK_KP_End: return GLFW_KEY_KP_1;
160 case XK_KP_Down: return GLFW_KEY_KP_2;
161 case XK_KP_Page_Down: return GLFW_KEY_KP_3;
162 case XK_KP_Left: return GLFW_KEY_KP_4;
163 case XK_KP_Right: return GLFW_KEY_KP_6;
164 case XK_KP_Home: return GLFW_KEY_KP_7;
165 case XK_KP_Up: return GLFW_KEY_KP_8;
166 case XK_KP_Page_Up: return GLFW_KEY_KP_9;
167 case XK_KP_Delete: return GLFW_KEY_KP_DECIMAL;
168 case XK_KP_Equal: return GLFW_KEY_KP_EQUAL;
169 case XK_KP_Enter: return GLFW_KEY_KP_ENTER;
170
171 // Last resort: Check for printable keys (should not happen if the XKB
172 // extension is available). This will give a layout dependent mapping
173 // (which is wrong, and we may miss some keys, especially on non-US
174 // keyboards), but it's better than nothing...
175 case XK_a: return GLFW_KEY_A;
176 case XK_b: return GLFW_KEY_B;
177 case XK_c: return GLFW_KEY_C;
178 case XK_d: return GLFW_KEY_D;
179 case XK_e: return GLFW_KEY_E;
180 case XK_f: return GLFW_KEY_F;
181 case XK_g: return GLFW_KEY_G;
182 case XK_h: return GLFW_KEY_H;
183 case XK_i: return GLFW_KEY_I;
184 case XK_j: return GLFW_KEY_J;
185 case XK_k: return GLFW_KEY_K;
186 case XK_l: return GLFW_KEY_L;
187 case XK_m: return GLFW_KEY_M;
188 case XK_n: return GLFW_KEY_N;
189 case XK_o: return GLFW_KEY_O;
190 case XK_p: return GLFW_KEY_P;
191 case XK_q: return GLFW_KEY_Q;
192 case XK_r: return GLFW_KEY_R;
193 case XK_s: return GLFW_KEY_S;
194 case XK_t: return GLFW_KEY_T;
195 case XK_u: return GLFW_KEY_U;
196 case XK_v: return GLFW_KEY_V;
197 case XK_w: return GLFW_KEY_W;
198 case XK_x: return GLFW_KEY_X;
199 case XK_y: return GLFW_KEY_Y;
200 case XK_z: return GLFW_KEY_Z;
201 case XK_1: return GLFW_KEY_1;
202 case XK_2: return GLFW_KEY_2;
203 case XK_3: return GLFW_KEY_3;
204 case XK_4: return GLFW_KEY_4;
205 case XK_5: return GLFW_KEY_5;
206 case XK_6: return GLFW_KEY_6;
207 case XK_7: return GLFW_KEY_7;
208 case XK_8: return GLFW_KEY_8;
209 case XK_9: return GLFW_KEY_9;
210 case XK_0: return GLFW_KEY_0;
211 case XK_space: return GLFW_KEY_SPACE;
212 case XK_minus: return GLFW_KEY_MINUS;
213 case XK_equal: return GLFW_KEY_EQUAL;
214 case XK_bracketleft: return GLFW_KEY_LEFT_BRACKET;
215 case XK_bracketright: return GLFW_KEY_RIGHT_BRACKET;
216 case XK_backslash: return GLFW_KEY_BACKSLASH;
217 case XK_semicolon: return GLFW_KEY_SEMICOLON;
218 case XK_apostrophe: return GLFW_KEY_APOSTROPHE;
219 case XK_grave: return GLFW_KEY_GRAVE_ACCENT;
220 case XK_comma: return GLFW_KEY_COMMA;
221 case XK_period: return GLFW_KEY_PERIOD;
222 case XK_slash: return GLFW_KEY_SLASH;
223 case XK_less: return GLFW_KEY_WORLD_1; // At least in some layouts...
224 default: break;
225 }
226
227 // No matching translation was found
228 return GLFW_KEY_UNKNOWN;
229}
230
231// Create key code translation tables
232//
233static void createKeyTables(void)
234{
235 int scancode, key;
236
237 memset(_glfw.x11.keycodes, -1, sizeof(_glfw.x11.keycodes));
238 memset(_glfw.x11.scancodes, -1, sizeof(_glfw.x11.scancodes));
239
240 if (_glfw.x11.xkb.available)
241 {
242 // Use XKB to determine physical key locations independently of the
243 // current keyboard layout
244
245 char name[XkbKeyNameLength + 1];
246 XkbDescPtr desc = XkbGetMap(_glfw.x11.display, 0, XkbUseCoreKbd);
247 XkbGetNames(_glfw.x11.display, XkbKeyNamesMask, desc);
248
249 // Find the X11 key code -> GLFW key code mapping
250 for (scancode = desc->min_key_code; scancode <= desc->max_key_code; scancode++)
251 {
252 memcpy(name, desc->names->keys[scancode].name, XkbKeyNameLength);
253 name[XkbKeyNameLength] = '\0';
254
255 // Map the key name to a GLFW key code. Note: We only map printable
256 // keys here, and we use the US keyboard layout. The rest of the
257 // keys (function keys) are mapped using traditional KeySym
258 // translations.
259 if (strcmp(name, "TLDE") == 0) key = GLFW_KEY_GRAVE_ACCENT;
260 else if (strcmp(name, "AE01") == 0) key = GLFW_KEY_1;
261 else if (strcmp(name, "AE02") == 0) key = GLFW_KEY_2;
262 else if (strcmp(name, "AE03") == 0) key = GLFW_KEY_3;
263 else if (strcmp(name, "AE04") == 0) key = GLFW_KEY_4;
264 else if (strcmp(name, "AE05") == 0) key = GLFW_KEY_5;
265 else if (strcmp(name, "AE06") == 0) key = GLFW_KEY_6;
266 else if (strcmp(name, "AE07") == 0) key = GLFW_KEY_7;
267 else if (strcmp(name, "AE08") == 0) key = GLFW_KEY_8;
268 else if (strcmp(name, "AE09") == 0) key = GLFW_KEY_9;
269 else if (strcmp(name, "AE10") == 0) key = GLFW_KEY_0;
270 else if (strcmp(name, "AE11") == 0) key = GLFW_KEY_MINUS;
271 else if (strcmp(name, "AE12") == 0) key = GLFW_KEY_EQUAL;
272 else if (strcmp(name, "AD01") == 0) key = GLFW_KEY_Q;
273 else if (strcmp(name, "AD02") == 0) key = GLFW_KEY_W;
274 else if (strcmp(name, "AD03") == 0) key = GLFW_KEY_E;
275 else if (strcmp(name, "AD04") == 0) key = GLFW_KEY_R;
276 else if (strcmp(name, "AD05") == 0) key = GLFW_KEY_T;
277 else if (strcmp(name, "AD06") == 0) key = GLFW_KEY_Y;
278 else if (strcmp(name, "AD07") == 0) key = GLFW_KEY_U;
279 else if (strcmp(name, "AD08") == 0) key = GLFW_KEY_I;
280 else if (strcmp(name, "AD09") == 0) key = GLFW_KEY_O;
281 else if (strcmp(name, "AD10") == 0) key = GLFW_KEY_P;
282 else if (strcmp(name, "AD11") == 0) key = GLFW_KEY_LEFT_BRACKET;
283 else if (strcmp(name, "AD12") == 0) key = GLFW_KEY_RIGHT_BRACKET;
284 else if (strcmp(name, "AC01") == 0) key = GLFW_KEY_A;
285 else if (strcmp(name, "AC02") == 0) key = GLFW_KEY_S;
286 else if (strcmp(name, "AC03") == 0) key = GLFW_KEY_D;
287 else if (strcmp(name, "AC04") == 0) key = GLFW_KEY_F;
288 else if (strcmp(name, "AC05") == 0) key = GLFW_KEY_G;
289 else if (strcmp(name, "AC06") == 0) key = GLFW_KEY_H;
290 else if (strcmp(name, "AC07") == 0) key = GLFW_KEY_J;
291 else if (strcmp(name, "AC08") == 0) key = GLFW_KEY_K;
292 else if (strcmp(name, "AC09") == 0) key = GLFW_KEY_L;
293 else if (strcmp(name, "AC10") == 0) key = GLFW_KEY_SEMICOLON;
294 else if (strcmp(name, "AC11") == 0) key = GLFW_KEY_APOSTROPHE;
295 else if (strcmp(name, "AB01") == 0) key = GLFW_KEY_Z;
296 else if (strcmp(name, "AB02") == 0) key = GLFW_KEY_X;
297 else if (strcmp(name, "AB03") == 0) key = GLFW_KEY_C;
298 else if (strcmp(name, "AB04") == 0) key = GLFW_KEY_V;
299 else if (strcmp(name, "AB05") == 0) key = GLFW_KEY_B;
300 else if (strcmp(name, "AB06") == 0) key = GLFW_KEY_N;
301 else if (strcmp(name, "AB07") == 0) key = GLFW_KEY_M;
302 else if (strcmp(name, "AB08") == 0) key = GLFW_KEY_COMMA;
303 else if (strcmp(name, "AB09") == 0) key = GLFW_KEY_PERIOD;
304 else if (strcmp(name, "AB10") == 0) key = GLFW_KEY_SLASH;
305 else if (strcmp(name, "BKSL") == 0) key = GLFW_KEY_BACKSLASH;
306 else if (strcmp(name, "LSGT") == 0) key = GLFW_KEY_WORLD_1;
307 else key = GLFW_KEY_UNKNOWN;
308
309 if ((scancode >= 0) && (scancode < 256))
310 _glfw.x11.keycodes[scancode] = key;
311 }
312
313 XkbFreeNames(desc, XkbKeyNamesMask, True);
314 XkbFreeKeyboard(desc, 0, True);
315 }
316
317 for (scancode = 0; scancode < 256; scancode++)
318 {
319 // Translate the un-translated key codes using traditional X11 KeySym
320 // lookups
321 if (_glfw.x11.keycodes[scancode] < 0)
322 _glfw.x11.keycodes[scancode] = translateKeyCode(scancode);
323
324 // Store the reverse translation for faster key name lookup
325 if (_glfw.x11.keycodes[scancode] > 0)
326 _glfw.x11.scancodes[_glfw.x11.keycodes[scancode]] = scancode;
327 }
328}
329
330// Check whether the IM has a usable style
331//
332static GLFWbool hasUsableInputMethodStyle(void)
333{
334 GLFWbool found = GLFW_FALSE;
335 XIMStyles* styles = NULL;
336
337 if (XGetIMValues(_glfw.x11.im, XNQueryInputStyle, &styles, NULL) != NULL)
338 return GLFW_FALSE;
339
340 for (unsigned int i = 0; i < styles->count_styles; i++)
341 {
342 if (styles->supported_styles[i] == (XIMPreeditNothing | XIMStatusNothing))
343 {
344 found = GLFW_TRUE;
345 break;
346 }
347 }
348
349 XFree(styles);
350 return found;
351}
352
353// Check whether the specified atom is supported
354//
355static Atom getSupportedAtom(Atom* supportedAtoms,
356 unsigned long atomCount,
357 const char* atomName)
358{
359 const Atom atom = XInternAtom(_glfw.x11.display, atomName, False);
360
361 for (unsigned int i = 0; i < atomCount; i++)
362 {
363 if (supportedAtoms[i] == atom)
364 return atom;
365 }
366
367 return None;
368}
369
370// Check whether the running window manager is EWMH-compliant
371//
372static void detectEWMH(void)
373{
374 // First we read the _NET_SUPPORTING_WM_CHECK property on the root window
375
376 Window* windowFromRoot = NULL;
377 if (!_glfwGetWindowPropertyX11(_glfw.x11.root,
378 _glfw.x11.NET_SUPPORTING_WM_CHECK,
379 XA_WINDOW,
380 (unsigned char**) &windowFromRoot))
381 {
382 return;
383 }
384
385 _glfwGrabErrorHandlerX11();
386
387 // If it exists, it should be the XID of a top-level window
388 // Then we look for the same property on that window
389
390 Window* windowFromChild = NULL;
391 if (!_glfwGetWindowPropertyX11(*windowFromRoot,
392 _glfw.x11.NET_SUPPORTING_WM_CHECK,
393 XA_WINDOW,
394 (unsigned char**) &windowFromChild))
395 {
396 XFree(windowFromRoot);
397 return;
398 }
399
400 _glfwReleaseErrorHandlerX11();
401
402 // If the property exists, it should contain the XID of the window
403
404 if (*windowFromRoot != *windowFromChild)
405 {
406 XFree(windowFromRoot);
407 XFree(windowFromChild);
408 return;
409 }
410
411 XFree(windowFromRoot);
412 XFree(windowFromChild);
413
414 // We are now fairly sure that an EWMH-compliant WM is currently running
415 // We can now start querying the WM about what features it supports by
416 // looking in the _NET_SUPPORTED property on the root window
417 // It should contain a list of supported EWMH protocol and state atoms
418
419 Atom* supportedAtoms = NULL;
420 const unsigned long atomCount =
421 _glfwGetWindowPropertyX11(_glfw.x11.root,
422 _glfw.x11.NET_SUPPORTED,
423 XA_ATOM,
424 (unsigned char**) &supportedAtoms);
425
426 // See which of the atoms we support that are supported by the WM
427
428 _glfw.x11.NET_WM_STATE =
429 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE");
430 _glfw.x11.NET_WM_STATE_ABOVE =
431 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_ABOVE");
432 _glfw.x11.NET_WM_STATE_FULLSCREEN =
433 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_FULLSCREEN");
434 _glfw.x11.NET_WM_STATE_MAXIMIZED_VERT =
435 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_VERT");
436 _glfw.x11.NET_WM_STATE_MAXIMIZED_HORZ =
437 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_MAXIMIZED_HORZ");
438 _glfw.x11.NET_WM_STATE_DEMANDS_ATTENTION =
439 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_STATE_DEMANDS_ATTENTION");
440 _glfw.x11.NET_WM_FULLSCREEN_MONITORS =
441 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_FULLSCREEN_MONITORS");
442 _glfw.x11.NET_WM_WINDOW_TYPE =
443 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE");
444 _glfw.x11.NET_WM_WINDOW_TYPE_NORMAL =
445 getSupportedAtom(supportedAtoms, atomCount, "_NET_WM_WINDOW_TYPE_NORMAL");
446 _glfw.x11.NET_WORKAREA =
447 getSupportedAtom(supportedAtoms, atomCount, "_NET_WORKAREA");
448 _glfw.x11.NET_CURRENT_DESKTOP =
449 getSupportedAtom(supportedAtoms, atomCount, "_NET_CURRENT_DESKTOP");
450 _glfw.x11.NET_ACTIVE_WINDOW =
451 getSupportedAtom(supportedAtoms, atomCount, "_NET_ACTIVE_WINDOW");
452 _glfw.x11.NET_FRAME_EXTENTS =
453 getSupportedAtom(supportedAtoms, atomCount, "_NET_FRAME_EXTENTS");
454 _glfw.x11.NET_REQUEST_FRAME_EXTENTS =
455 getSupportedAtom(supportedAtoms, atomCount, "_NET_REQUEST_FRAME_EXTENTS");
456
457 if (supportedAtoms)
458 XFree(supportedAtoms);
459}
460
461// Look for and initialize supported X11 extensions
462//
463static GLFWbool initExtensions(void)
464{
465 _glfw.x11.vidmode.handle = _glfw_dlopen("libXxf86vm.so.1");
466 if (_glfw.x11.vidmode.handle)
467 {
468 _glfw.x11.vidmode.QueryExtension = (PFN_XF86VidModeQueryExtension)
469 _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeQueryExtension");
470 _glfw.x11.vidmode.GetGammaRamp = (PFN_XF86VidModeGetGammaRamp)
471 _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRamp");
472 _glfw.x11.vidmode.SetGammaRamp = (PFN_XF86VidModeSetGammaRamp)
473 _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeSetGammaRamp");
474 _glfw.x11.vidmode.GetGammaRampSize = (PFN_XF86VidModeGetGammaRampSize)
475 _glfw_dlsym(_glfw.x11.vidmode.handle, "XF86VidModeGetGammaRampSize");
476
477 _glfw.x11.vidmode.available =
478 XF86VidModeQueryExtension(_glfw.x11.display,
479 &_glfw.x11.vidmode.eventBase,
480 &_glfw.x11.vidmode.errorBase);
481 }
482
483#if defined(__CYGWIN__)
484 _glfw.x11.xi.handle = _glfw_dlopen("libXi-6.so");
485#else
486 _glfw.x11.xi.handle = _glfw_dlopen("libXi.so.6");
487#endif
488 if (_glfw.x11.xi.handle)
489 {
490 _glfw.x11.xi.QueryVersion = (PFN_XIQueryVersion)
491 _glfw_dlsym(_glfw.x11.xi.handle, "XIQueryVersion");
492 _glfw.x11.xi.SelectEvents = (PFN_XISelectEvents)
493 _glfw_dlsym(_glfw.x11.xi.handle, "XISelectEvents");
494
495 if (XQueryExtension(_glfw.x11.display,
496 "XInputExtension",
497 &_glfw.x11.xi.majorOpcode,
498 &_glfw.x11.xi.eventBase,
499 &_glfw.x11.xi.errorBase))
500 {
501 _glfw.x11.xi.major = 2;
502 _glfw.x11.xi.minor = 0;
503
504 if (XIQueryVersion(_glfw.x11.display,
505 &_glfw.x11.xi.major,
506 &_glfw.x11.xi.minor) == Success)
507 {
508 _glfw.x11.xi.available = GLFW_TRUE;
509 }
510 }
511 }
512
513#if defined(__CYGWIN__)
514 _glfw.x11.randr.handle = _glfw_dlopen("libXrandr-2.so");
515#else
516 _glfw.x11.randr.handle = _glfw_dlopen("libXrandr.so.2");
517#endif
518 if (_glfw.x11.randr.handle)
519 {
520 _glfw.x11.randr.AllocGamma = (PFN_XRRAllocGamma)
521 _glfw_dlsym(_glfw.x11.randr.handle, "XRRAllocGamma");
522 _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
523 _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
524 _glfw.x11.randr.FreeCrtcInfo = (PFN_XRRFreeCrtcInfo)
525 _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeCrtcInfo");
526 _glfw.x11.randr.FreeGamma = (PFN_XRRFreeGamma)
527 _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeGamma");
528 _glfw.x11.randr.FreeOutputInfo = (PFN_XRRFreeOutputInfo)
529 _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeOutputInfo");
530 _glfw.x11.randr.FreeScreenResources = (PFN_XRRFreeScreenResources)
531 _glfw_dlsym(_glfw.x11.randr.handle, "XRRFreeScreenResources");
532 _glfw.x11.randr.GetCrtcGamma = (PFN_XRRGetCrtcGamma)
533 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGamma");
534 _glfw.x11.randr.GetCrtcGammaSize = (PFN_XRRGetCrtcGammaSize)
535 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcGammaSize");
536 _glfw.x11.randr.GetCrtcInfo = (PFN_XRRGetCrtcInfo)
537 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetCrtcInfo");
538 _glfw.x11.randr.GetOutputInfo = (PFN_XRRGetOutputInfo)
539 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputInfo");
540 _glfw.x11.randr.GetOutputPrimary = (PFN_XRRGetOutputPrimary)
541 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetOutputPrimary");
542 _glfw.x11.randr.GetScreenResourcesCurrent = (PFN_XRRGetScreenResourcesCurrent)
543 _glfw_dlsym(_glfw.x11.randr.handle, "XRRGetScreenResourcesCurrent");
544 _glfw.x11.randr.QueryExtension = (PFN_XRRQueryExtension)
545 _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryExtension");
546 _glfw.x11.randr.QueryVersion = (PFN_XRRQueryVersion)
547 _glfw_dlsym(_glfw.x11.randr.handle, "XRRQueryVersion");
548 _glfw.x11.randr.SelectInput = (PFN_XRRSelectInput)
549 _glfw_dlsym(_glfw.x11.randr.handle, "XRRSelectInput");
550 _glfw.x11.randr.SetCrtcConfig = (PFN_XRRSetCrtcConfig)
551 _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcConfig");
552 _glfw.x11.randr.SetCrtcGamma = (PFN_XRRSetCrtcGamma)
553 _glfw_dlsym(_glfw.x11.randr.handle, "XRRSetCrtcGamma");
554 _glfw.x11.randr.UpdateConfiguration = (PFN_XRRUpdateConfiguration)
555 _glfw_dlsym(_glfw.x11.randr.handle, "XRRUpdateConfiguration");
556
557 if (XRRQueryExtension(_glfw.x11.display,
558 &_glfw.x11.randr.eventBase,
559 &_glfw.x11.randr.errorBase))
560 {
561 if (XRRQueryVersion(_glfw.x11.display,
562 &_glfw.x11.randr.major,
563 &_glfw.x11.randr.minor))
564 {
565 // The GLFW RandR path requires at least version 1.3
566 if (_glfw.x11.randr.major > 1 || _glfw.x11.randr.minor >= 3)
567 _glfw.x11.randr.available = GLFW_TRUE;
568 }
569 else
570 {
571 _glfwInputError(GLFW_PLATFORM_ERROR,
572 "X11: Failed to query RandR version");
573 }
574 }
575 }
576
577 if (_glfw.x11.randr.available)
578 {
579 XRRScreenResources* sr = XRRGetScreenResourcesCurrent(_glfw.x11.display,
580 _glfw.x11.root);
581
582 if (!sr->ncrtc || !XRRGetCrtcGammaSize(_glfw.x11.display, sr->crtcs[0]))
583 {
584 // This is likely an older Nvidia driver with broken gamma support
585 // Flag it as useless and fall back to xf86vm gamma, if available
586 _glfw.x11.randr.gammaBroken = GLFW_TRUE;
587 }
588
589 if (!sr->ncrtc)
590 {
591 // A system without CRTCs is likely a system with broken RandR
592 // Disable the RandR monitor path and fall back to core functions
593 _glfw.x11.randr.monitorBroken = GLFW_TRUE;
594 }
595
596 XRRFreeScreenResources(sr);
597 }
598
599 if (_glfw.x11.randr.available && !_glfw.x11.randr.monitorBroken)
600 {
601 XRRSelectInput(_glfw.x11.display, _glfw.x11.root,
602 RROutputChangeNotifyMask);
603 }
604
605#if defined(__CYGWIN__)
606 _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor-1.so");
607#else
608 _glfw.x11.xcursor.handle = _glfw_dlopen("libXcursor.so.1");
609#endif
610 if (_glfw.x11.xcursor.handle)
611 {
612 _glfw.x11.xcursor.ImageCreate = (PFN_XcursorImageCreate)
613 _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageCreate");
614 _glfw.x11.xcursor.ImageDestroy = (PFN_XcursorImageDestroy)
615 _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageDestroy");
616 _glfw.x11.xcursor.ImageLoadCursor = (PFN_XcursorImageLoadCursor)
617 _glfw_dlsym(_glfw.x11.xcursor.handle, "XcursorImageLoadCursor");
618 }
619
620#if defined(__CYGWIN__)
621 _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama-1.so");
622#else
623 _glfw.x11.xinerama.handle = _glfw_dlopen("libXinerama.so.1");
624#endif
625 if (_glfw.x11.xinerama.handle)
626 {
627 _glfw.x11.xinerama.IsActive = (PFN_XineramaIsActive)
628 _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaIsActive");
629 _glfw.x11.xinerama.QueryExtension = (PFN_XineramaQueryExtension)
630 _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryExtension");
631 _glfw.x11.xinerama.QueryScreens = (PFN_XineramaQueryScreens)
632 _glfw_dlsym(_glfw.x11.xinerama.handle, "XineramaQueryScreens");
633
634 if (XineramaQueryExtension(_glfw.x11.display,
635 &_glfw.x11.xinerama.major,
636 &_glfw.x11.xinerama.minor))
637 {
638 if (XineramaIsActive(_glfw.x11.display))
639 _glfw.x11.xinerama.available = GLFW_TRUE;
640 }
641 }
642
643 _glfw.x11.xkb.major = 1;
644 _glfw.x11.xkb.minor = 0;
645 _glfw.x11.xkb.available =
646 XkbQueryExtension(_glfw.x11.display,
647 &_glfw.x11.xkb.majorOpcode,
648 &_glfw.x11.xkb.eventBase,
649 &_glfw.x11.xkb.errorBase,
650 &_glfw.x11.xkb.major,
651 &_glfw.x11.xkb.minor);
652
653 if (_glfw.x11.xkb.available)
654 {
655 Bool supported;
656
657 if (XkbSetDetectableAutoRepeat(_glfw.x11.display, True, &supported))
658 {
659 if (supported)
660 _glfw.x11.xkb.detectable = GLFW_TRUE;
661 }
662
663 _glfw.x11.xkb.group = 0;
664 XkbStateRec state;
665 if (XkbGetState(_glfw.x11.display, XkbUseCoreKbd, &state) == Success)
666 {
667 XkbSelectEventDetails(_glfw.x11.display, XkbUseCoreKbd, XkbStateNotify, XkbAllStateComponentsMask, XkbGroupStateMask);
668 _glfw.x11.xkb.group = (unsigned int)state.group;
669 }
670 }
671
672#if defined(__CYGWIN__)
673 _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb-1.so");
674#else
675 _glfw.x11.x11xcb.handle = _glfw_dlopen("libX11-xcb.so.1");
676#endif
677 if (_glfw.x11.x11xcb.handle)
678 {
679 _glfw.x11.x11xcb.GetXCBConnection = (PFN_XGetXCBConnection)
680 _glfw_dlsym(_glfw.x11.x11xcb.handle, "XGetXCBConnection");
681 }
682
683#if defined(__CYGWIN__)
684 _glfw.x11.xrender.handle = _glfw_dlopen("libXrender-1.so");
685#else
686 _glfw.x11.xrender.handle = _glfw_dlopen("libXrender.so.1");
687#endif
688 if (_glfw.x11.xrender.handle)
689 {
690 _glfw.x11.xrender.QueryExtension = (PFN_XRenderQueryExtension)
691 _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryExtension");
692 _glfw.x11.xrender.QueryVersion = (PFN_XRenderQueryVersion)
693 _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderQueryVersion");
694 _glfw.x11.xrender.FindVisualFormat = (PFN_XRenderFindVisualFormat)
695 _glfw_dlsym(_glfw.x11.xrender.handle, "XRenderFindVisualFormat");
696
697 if (XRenderQueryExtension(_glfw.x11.display,
698 &_glfw.x11.xrender.errorBase,
699 &_glfw.x11.xrender.eventBase))
700 {
701 if (XRenderQueryVersion(_glfw.x11.display,
702 &_glfw.x11.xrender.major,
703 &_glfw.x11.xrender.minor))
704 {
705 _glfw.x11.xrender.available = GLFW_TRUE;
706 }
707 }
708 }
709
710 // Update the key code LUT
711 // FIXME: We should listen to XkbMapNotify events to track changes to
712 // the keyboard mapping.
713 createKeyTables();
714
715 // String format atoms
716 _glfw.x11.NULL_ = XInternAtom(_glfw.x11.display, "NULL", False);
717 _glfw.x11.UTF8_STRING = XInternAtom(_glfw.x11.display, "UTF8_STRING", False);
718 _glfw.x11.ATOM_PAIR = XInternAtom(_glfw.x11.display, "ATOM_PAIR", False);
719
720 // Custom selection property atom
721 _glfw.x11.GLFW_SELECTION =
722 XInternAtom(_glfw.x11.display, "GLFW_SELECTION", False);
723
724 // ICCCM standard clipboard atoms
725 _glfw.x11.TARGETS = XInternAtom(_glfw.x11.display, "TARGETS", False);
726 _glfw.x11.MULTIPLE = XInternAtom(_glfw.x11.display, "MULTIPLE", False);
727 _glfw.x11.PRIMARY = XInternAtom(_glfw.x11.display, "PRIMARY", False);
728 _glfw.x11.INCR = XInternAtom(_glfw.x11.display, "INCR", False);
729 _glfw.x11.CLIPBOARD = XInternAtom(_glfw.x11.display, "CLIPBOARD", False);
730
731 // Clipboard manager atoms
732 _glfw.x11.CLIPBOARD_MANAGER =
733 XInternAtom(_glfw.x11.display, "CLIPBOARD_MANAGER", False);
734 _glfw.x11.SAVE_TARGETS =
735 XInternAtom(_glfw.x11.display, "SAVE_TARGETS", False);
736
737 // Xdnd (drag and drop) atoms
738 _glfw.x11.XdndAware = XInternAtom(_glfw.x11.display, "XdndAware", False);
739 _glfw.x11.XdndEnter = XInternAtom(_glfw.x11.display, "XdndEnter", False);
740 _glfw.x11.XdndPosition = XInternAtom(_glfw.x11.display, "XdndPosition", False);
741 _glfw.x11.XdndStatus = XInternAtom(_glfw.x11.display, "XdndStatus", False);
742 _glfw.x11.XdndActionCopy = XInternAtom(_glfw.x11.display, "XdndActionCopy", False);
743 _glfw.x11.XdndDrop = XInternAtom(_glfw.x11.display, "XdndDrop", False);
744 _glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False);
745 _glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False);
746 _glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False);
747 _glfw.x11.text_uri_list = XInternAtom(_glfw.x11.display, "text/uri-list", False);
748
749 // ICCCM, EWMH and Motif window property atoms
750 // These can be set safely even without WM support
751 // The EWMH atoms that require WM support are handled in detectEWMH
752 _glfw.x11.WM_PROTOCOLS =
753 XInternAtom(_glfw.x11.display, "WM_PROTOCOLS", False);
754 _glfw.x11.WM_STATE =
755 XInternAtom(_glfw.x11.display, "WM_STATE", False);
756 _glfw.x11.WM_DELETE_WINDOW =
757 XInternAtom(_glfw.x11.display, "WM_DELETE_WINDOW", False);
758 _glfw.x11.NET_SUPPORTED =
759 XInternAtom(_glfw.x11.display, "_NET_SUPPORTED", False);
760 _glfw.x11.NET_SUPPORTING_WM_CHECK =
761 XInternAtom(_glfw.x11.display, "_NET_SUPPORTING_WM_CHECK", False);
762 _glfw.x11.NET_WM_ICON =
763 XInternAtom(_glfw.x11.display, "_NET_WM_ICON", False);
764 _glfw.x11.NET_WM_PING =
765 XInternAtom(_glfw.x11.display, "_NET_WM_PING", False);
766 _glfw.x11.NET_WM_PID =
767 XInternAtom(_glfw.x11.display, "_NET_WM_PID", False);
768 _glfw.x11.NET_WM_NAME =
769 XInternAtom(_glfw.x11.display, "_NET_WM_NAME", False);
770 _glfw.x11.NET_WM_ICON_NAME =
771 XInternAtom(_glfw.x11.display, "_NET_WM_ICON_NAME", False);
772 _glfw.x11.NET_WM_BYPASS_COMPOSITOR =
773 XInternAtom(_glfw.x11.display, "_NET_WM_BYPASS_COMPOSITOR", False);
774 _glfw.x11.NET_WM_WINDOW_OPACITY =
775 XInternAtom(_glfw.x11.display, "_NET_WM_WINDOW_OPACITY", False);
776 _glfw.x11.MOTIF_WM_HINTS =
777 XInternAtom(_glfw.x11.display, "_MOTIF_WM_HINTS", False);
778
779 // The compositing manager selection name contains the screen number
780 {
781 char name[32];
782 snprintf(name, sizeof(name), "_NET_WM_CM_S%u", _glfw.x11.screen);
783 _glfw.x11.NET_WM_CM_Sx = XInternAtom(_glfw.x11.display, name, False);
784 }
785
786 // Detect whether an EWMH-conformant window manager is running
787 detectEWMH();
788
789 return GLFW_TRUE;
790}
791
792// Retrieve system content scale via folklore heuristics
793//
794static void getSystemContentScale(float* xscale, float* yscale)
795{
796 // Start by assuming the default X11 DPI
797 // NOTE: Some desktop environments (KDE) may remove the Xft.dpi field when it
798 // would be set to 96, so assume that is the case if we cannot find it
799 float xdpi = 96.f, ydpi = 96.f;
800
801 // NOTE: Basing the scale on Xft.dpi where available should provide the most
802 // consistent user experience (matches Qt, Gtk, etc), although not
803 // always the most accurate one
804 char* rms = XResourceManagerString(_glfw.x11.display);
805 if (rms)
806 {
807 XrmDatabase db = XrmGetStringDatabase(rms);
808 if (db)
809 {
810 XrmValue value;
811 char* type = NULL;
812
813 if (XrmGetResource(db, "Xft.dpi", "Xft.Dpi", &type, &value))
814 {
815 if (type && strcmp(type, "String") == 0)
816 xdpi = ydpi = atof(value.addr);
817 }
818
819 XrmDestroyDatabase(db);
820 }
821 }
822
823 *xscale = xdpi / 96.f;
824 *yscale = ydpi / 96.f;
825}
826
827// Create a blank cursor for hidden and disabled cursor modes
828//
829static Cursor createHiddenCursor(void)
830{
831 unsigned char pixels[16 * 16 * 4] = { 0 };
832 GLFWimage image = { 16, 16, pixels };
833 return _glfwCreateCursorX11(&image, 0, 0);
834}
835
836// Create a helper window for IPC
837//
838static Window createHelperWindow(void)
839{
840 XSetWindowAttributes wa;
841 wa.event_mask = PropertyChangeMask;
842
843 return XCreateWindow(_glfw.x11.display, _glfw.x11.root,
844 0, 0, 1, 1, 0, 0,
845 InputOnly,
846 DefaultVisual(_glfw.x11.display, _glfw.x11.screen),
847 CWEventMask, &wa);
848}
849
850// X error handler
851//
852static int errorHandler(Display *display, XErrorEvent* event)
853{
854 _glfw.x11.errorCode = event->error_code;
855 return 0;
856}
857
858
859//////////////////////////////////////////////////////////////////////////
860////// GLFW internal API //////
861//////////////////////////////////////////////////////////////////////////
862
863// Sets the X error handler callback
864//
865void _glfwGrabErrorHandlerX11(void)
866{
867 _glfw.x11.errorCode = Success;
868 XSetErrorHandler(errorHandler);
869}
870
871// Clears the X error handler callback
872//
873void _glfwReleaseErrorHandlerX11(void)
874{
875 // Synchronize to make sure all commands are processed
876 XSync(_glfw.x11.display, False);
877 XSetErrorHandler(NULL);
878}
879
880// Reports the specified error, appending information about the last X error
881//
882void _glfwInputErrorX11(int error, const char* message)
883{
884 char buffer[_GLFW_MESSAGE_SIZE];
885 XGetErrorText(_glfw.x11.display, _glfw.x11.errorCode,
886 buffer, sizeof(buffer));
887
888 _glfwInputError(error, "%s: %s", message, buffer);
889}
890
891// Creates a native cursor object from the specified image and hotspot
892//
893Cursor _glfwCreateCursorX11(const GLFWimage* image, int xhot, int yhot)
894{
895 int i;
896 Cursor cursor;
897
898 if (!_glfw.x11.xcursor.handle)
899 return None;
900
901 XcursorImage* native = XcursorImageCreate(image->width, image->height);
902 if (native == NULL)
903 return None;
904
905 native->xhot = xhot;
906 native->yhot = yhot;
907
908 unsigned char* source = (unsigned char*) image->pixels;
909 XcursorPixel* target = native->pixels;
910
911 for (i = 0; i < image->width * image->height; i++, target++, source += 4)
912 {
913 unsigned int alpha = source[3];
914
915 *target = (alpha << 24) |
916 ((unsigned char) ((source[0] * alpha) / 255) << 16) |
917 ((unsigned char) ((source[1] * alpha) / 255) << 8) |
918 ((unsigned char) ((source[2] * alpha) / 255) << 0);
919 }
920
921 cursor = XcursorImageLoadCursor(_glfw.x11.display, native);
922 XcursorImageDestroy(native);
923
924 return cursor;
925}
926
927
928//////////////////////////////////////////////////////////////////////////
929////// GLFW platform API //////
930//////////////////////////////////////////////////////////////////////////
931
932int _glfwPlatformInit(void)
933{
934#if !defined(X_HAVE_UTF8_STRING)
935 // HACK: If the current locale is "C" and the Xlib UTF-8 functions are
936 // unavailable, apply the environment's locale in the hope that it's
937 // both available and not "C"
938 // This is done because the "C" locale breaks wide character input,
939 // which is what we fall back on when UTF-8 support is missing
940 if (strcmp(setlocale(LC_CTYPE, NULL), "C") == 0)
941 setlocale(LC_CTYPE, "");
942#endif
943
944 XInitThreads();
945 XrmInitialize();
946
947 _glfw.x11.display = XOpenDisplay(NULL);
948 if (!_glfw.x11.display)
949 {
950 const char* display = getenv("DISPLAY");
951 if (display)
952 {
953 _glfwInputError(GLFW_PLATFORM_ERROR,
954 "X11: Failed to open display %s", display);
955 }
956 else
957 {
958 _glfwInputError(GLFW_PLATFORM_ERROR,
959 "X11: The DISPLAY environment variable is missing");
960 }
961
962 return GLFW_FALSE;
963 }
964
965 _glfw.x11.screen = DefaultScreen(_glfw.x11.display);
966 _glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen);
967 _glfw.x11.context = XUniqueContext();
968
969 getSystemContentScale(&_glfw.x11.contentScaleX, &_glfw.x11.contentScaleY);
970
971 if (!initExtensions())
972 return GLFW_FALSE;
973
974 _glfw.x11.helperWindowHandle = createHelperWindow();
975 _glfw.x11.hiddenCursorHandle = createHiddenCursor();
976
977 if (XSupportsLocale())
978 {
979 XSetLocaleModifiers("");
980
981 _glfw.x11.im = XOpenIM(_glfw.x11.display, 0, NULL, NULL);
982 if (_glfw.x11.im)
983 {
984 if (!hasUsableInputMethodStyle())
985 {
986 XCloseIM(_glfw.x11.im);
987 _glfw.x11.im = NULL;
988 }
989 }
990 }
991
992#if defined(__linux__)
993 if (!_glfwInitJoysticksLinux())
994 return GLFW_FALSE;
995#endif
996
997 _glfwInitTimerPOSIX();
998
999 _glfwPollMonitorsX11();
1000 return GLFW_TRUE;
1001}
1002
1003void _glfwPlatformTerminate(void)
1004{
1005 if (_glfw.x11.helperWindowHandle)
1006 {
1007 if (XGetSelectionOwner(_glfw.x11.display, _glfw.x11.CLIPBOARD) ==
1008 _glfw.x11.helperWindowHandle)
1009 {
1010 _glfwPushSelectionToManagerX11();
1011 }
1012
1013 XDestroyWindow(_glfw.x11.display, _glfw.x11.helperWindowHandle);
1014 _glfw.x11.helperWindowHandle = None;
1015 }
1016
1017 if (_glfw.x11.hiddenCursorHandle)
1018 {
1019 XFreeCursor(_glfw.x11.display, _glfw.x11.hiddenCursorHandle);
1020 _glfw.x11.hiddenCursorHandle = (Cursor) 0;
1021 }
1022
1023 free(_glfw.x11.primarySelectionString);
1024 free(_glfw.x11.clipboardString);
1025
1026 if (_glfw.x11.im)
1027 {
1028 XCloseIM(_glfw.x11.im);
1029 _glfw.x11.im = NULL;
1030 }
1031
1032 if (_glfw.x11.display)
1033 {
1034 XCloseDisplay(_glfw.x11.display);
1035 _glfw.x11.display = NULL;
1036 }
1037
1038 if (_glfw.x11.x11xcb.handle)
1039 {
1040 _glfw_dlclose(_glfw.x11.x11xcb.handle);
1041 _glfw.x11.x11xcb.handle = NULL;
1042 }
1043
1044 if (_glfw.x11.xcursor.handle)
1045 {
1046 _glfw_dlclose(_glfw.x11.xcursor.handle);
1047 _glfw.x11.xcursor.handle = NULL;
1048 }
1049
1050 if (_glfw.x11.randr.handle)
1051 {
1052 _glfw_dlclose(_glfw.x11.randr.handle);
1053 _glfw.x11.randr.handle = NULL;
1054 }
1055
1056 if (_glfw.x11.xinerama.handle)
1057 {
1058 _glfw_dlclose(_glfw.x11.xinerama.handle);
1059 _glfw.x11.xinerama.handle = NULL;
1060 }
1061
1062 if (_glfw.x11.xrender.handle)
1063 {
1064 _glfw_dlclose(_glfw.x11.xrender.handle);
1065 _glfw.x11.xrender.handle = NULL;
1066 }
1067
1068 if (_glfw.x11.vidmode.handle)
1069 {
1070 _glfw_dlclose(_glfw.x11.vidmode.handle);
1071 _glfw.x11.vidmode.handle = NULL;
1072 }
1073
1074 if (_glfw.x11.xi.handle)
1075 {
1076 _glfw_dlclose(_glfw.x11.xi.handle);
1077 _glfw.x11.xi.handle = NULL;
1078 }
1079
1080 // NOTE: These need to be unloaded after XCloseDisplay, as they register
1081 // cleanup callbacks that get called by that function
1082 _glfwTerminateEGL();
1083 _glfwTerminateGLX();
1084
1085#if defined(__linux__)
1086 _glfwTerminateJoysticksLinux();
1087#endif
1088}
1089
1090const char* _glfwPlatformGetVersionString(void)
1091{
1092 return _GLFW_VERSION_NUMBER " X11 GLX EGL OSMesa"
1093#if defined(_POSIX_TIMERS) && defined(_POSIX_MONOTONIC_CLOCK)
1094 " clock_gettime"
1095#else
1096 " gettimeofday"
1097#endif
1098#if defined(__linux__)
1099 " evdev"
1100#endif
1101#if defined(_GLFW_BUILD_DLL)
1102 " shared"
1103#endif
1104 ;
1105}
1106