1 //========================================================================
2 // GLFW 3.3 Wayland - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
5 //
6 // This software is provided 'as-is', without any express or implied
7 // warranty. In no event will the authors be held liable for any damages
8 // arising from the use of this software.
9 //
10 // Permission is granted to anyone to use this software for any purpose,
11 // including commercial applications, and to alter it and redistribute it
12 // freely, subject to the following restrictions:
13 //
14 // 1. The origin of this software must not be misrepresented; you must not
15 // claim that you wrote the original software. If you use this software
16 // in a product, an acknowledgment in the product documentation would
17 // be appreciated but is not required.
18 //
19 // 2. Altered source versions must be plainly marked as such, and must not
20 // be misrepresented as being the original software.
21 //
22 // 3. This notice may not be removed or altered from any source
23 // distribution.
24 //
25 //========================================================================
26
27 #define _GNU_SOURCE
28
29 #include "internal.h"
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <fcntl.h>
37 #include <sys/mman.h>
38 #include <sys/timerfd.h>
39 #include <poll.h>
40
41
handlePing(void * data,struct wl_shell_surface * shellSurface,uint32_t serial)42 static void handlePing(void* data,
43 struct wl_shell_surface* shellSurface,
44 uint32_t serial)
45 {
46 wl_shell_surface_pong(shellSurface, serial);
47 }
48
handleConfigure(void * data,struct wl_shell_surface * shellSurface,uint32_t edges,int32_t width,int32_t height)49 static void handleConfigure(void* data,
50 struct wl_shell_surface* shellSurface,
51 uint32_t edges,
52 int32_t width,
53 int32_t height)
54 {
55 _GLFWwindow* window = data;
56 float aspectRatio;
57 float targetRatio;
58
59 if (!window->monitor)
60 {
61 if (_glfw.wl.viewporter && window->decorated)
62 {
63 width -= _GLFW_DECORATION_HORIZONTAL;
64 height -= _GLFW_DECORATION_VERTICAL;
65 }
66 if (width < 1)
67 width = 1;
68 if (height < 1)
69 height = 1;
70
71 if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
72 {
73 aspectRatio = (float)width / (float)height;
74 targetRatio = (float)window->numer / (float)window->denom;
75 if (aspectRatio < targetRatio)
76 height = width / targetRatio;
77 else if (aspectRatio > targetRatio)
78 width = height * targetRatio;
79 }
80
81 if (window->minwidth != GLFW_DONT_CARE && width < window->minwidth)
82 width = window->minwidth;
83 else if (window->maxwidth != GLFW_DONT_CARE && width > window->maxwidth)
84 width = window->maxwidth;
85
86 if (window->minheight != GLFW_DONT_CARE && height < window->minheight)
87 height = window->minheight;
88 else if (window->maxheight != GLFW_DONT_CARE && height > window->maxheight)
89 height = window->maxheight;
90 }
91
92 _glfwInputWindowSize(window, width, height);
93 _glfwPlatformSetWindowSize(window, width, height);
94 _glfwInputWindowDamage(window);
95 }
96
handlePopupDone(void * data,struct wl_shell_surface * shellSurface)97 static void handlePopupDone(void* data,
98 struct wl_shell_surface* shellSurface)
99 {
100 }
101
102 static const struct wl_shell_surface_listener shellSurfaceListener = {
103 handlePing,
104 handleConfigure,
105 handlePopupDone
106 };
107
108 static int
createTmpfileCloexec(char * tmpname)109 createTmpfileCloexec(char* tmpname)
110 {
111 int fd;
112
113 fd = mkostemp(tmpname, O_CLOEXEC);
114 if (fd >= 0)
115 unlink(tmpname);
116
117 return fd;
118 }
119
120 /*
121 * Create a new, unique, anonymous file of the given size, and
122 * return the file descriptor for it. The file descriptor is set
123 * CLOEXEC. The file is immediately suitable for mmap()'ing
124 * the given size at offset zero.
125 *
126 * The file should not have a permanent backing store like a disk,
127 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
128 *
129 * The file name is deleted from the file system.
130 *
131 * The file is suitable for buffer sharing between processes by
132 * transmitting the file descriptor over Unix sockets using the
133 * SCM_RIGHTS methods.
134 *
135 * posix_fallocate() is used to guarantee that disk space is available
136 * for the file at the given size. If disk space is insufficent, errno
137 * is set to ENOSPC. If posix_fallocate() is not supported, program may
138 * receive SIGBUS on accessing mmap()'ed file contents instead.
139 */
140 static int
createAnonymousFile(off_t size)141 createAnonymousFile(off_t size)
142 {
143 static const char template[] = "/glfw-shared-XXXXXX";
144 const char* path;
145 char* name;
146 int fd;
147 int ret;
148
149 path = getenv("XDG_RUNTIME_DIR");
150 if (!path)
151 {
152 errno = ENOENT;
153 return -1;
154 }
155
156 name = calloc(strlen(path) + sizeof(template), 1);
157 strcpy(name, path);
158 strcat(name, template);
159
160 fd = createTmpfileCloexec(name);
161
162 free(name);
163
164 if (fd < 0)
165 return -1;
166 ret = posix_fallocate(fd, 0, size);
167 if (ret != 0)
168 {
169 close(fd);
170 errno = ret;
171 return -1;
172 }
173 return fd;
174 }
175
createShmBuffer(const GLFWimage * image)176 static struct wl_buffer* createShmBuffer(const GLFWimage* image)
177 {
178 struct wl_shm_pool* pool;
179 struct wl_buffer* buffer;
180 int stride = image->width * 4;
181 int length = image->width * image->height * 4;
182 void* data;
183 int fd, i;
184
185 fd = createAnonymousFile(length);
186 if (fd < 0)
187 {
188 _glfwInputError(GLFW_PLATFORM_ERROR,
189 "Wayland: Creating a buffer file for %d B failed: %m",
190 length);
191 return GLFW_FALSE;
192 }
193
194 data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
195 if (data == MAP_FAILED)
196 {
197 _glfwInputError(GLFW_PLATFORM_ERROR,
198 "Wayland: mmap failed: %m");
199 close(fd);
200 return GLFW_FALSE;
201 }
202
203 pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
204
205 close(fd);
206 unsigned char* source = (unsigned char*) image->pixels;
207 unsigned char* target = data;
208 for (i = 0; i < image->width * image->height; i++, source += 4)
209 {
210 unsigned int alpha = source[3];
211
212 *target++ = (unsigned char) ((source[2] * alpha) / 255);
213 *target++ = (unsigned char) ((source[1] * alpha) / 255);
214 *target++ = (unsigned char) ((source[0] * alpha) / 255);
215 *target++ = (unsigned char) alpha;
216 }
217
218 buffer =
219 wl_shm_pool_create_buffer(pool, 0,
220 image->width,
221 image->height,
222 stride, WL_SHM_FORMAT_ARGB8888);
223 munmap(data, length);
224 wl_shm_pool_destroy(pool);
225
226 return buffer;
227 }
228
createDecoration(_GLFWdecorationWayland * decoration,struct wl_surface * parent,struct wl_buffer * buffer,GLFWbool opaque,int x,int y,int width,int height)229 static void createDecoration(_GLFWdecorationWayland* decoration,
230 struct wl_surface* parent,
231 struct wl_buffer* buffer, GLFWbool opaque,
232 int x, int y,
233 int width, int height)
234 {
235 struct wl_region* region;
236
237 decoration->surface = wl_compositor_create_surface(_glfw.wl.compositor);
238 decoration->subsurface =
239 wl_subcompositor_get_subsurface(_glfw.wl.subcompositor,
240 decoration->surface, parent);
241 wl_subsurface_set_position(decoration->subsurface, x, y);
242 decoration->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter,
243 decoration->surface);
244 wp_viewport_set_destination(decoration->viewport, width, height);
245 wl_surface_attach(decoration->surface, buffer, 0, 0);
246
247 if (opaque)
248 {
249 region = wl_compositor_create_region(_glfw.wl.compositor);
250 wl_region_add(region, 0, 0, width, height);
251 wl_surface_set_opaque_region(decoration->surface, region);
252 wl_surface_commit(decoration->surface);
253 wl_region_destroy(region);
254 }
255 else
256 wl_surface_commit(decoration->surface);
257 }
258
createDecorations(_GLFWwindow * window)259 static void createDecorations(_GLFWwindow* window)
260 {
261 unsigned char data[] = { 224, 224, 224, 255 };
262 const GLFWimage image = { 1, 1, data };
263 GLFWbool opaque = (data[3] == 255);
264
265 if (!_glfw.wl.viewporter)
266 return;
267
268 if (!window->wl.decorations.buffer)
269 window->wl.decorations.buffer = createShmBuffer(&image);
270
271 createDecoration(&window->wl.decorations.top, window->wl.surface,
272 window->wl.decorations.buffer, opaque,
273 0, -_GLFW_DECORATION_TOP,
274 window->wl.width, _GLFW_DECORATION_TOP);
275 createDecoration(&window->wl.decorations.left, window->wl.surface,
276 window->wl.decorations.buffer, opaque,
277 -_GLFW_DECORATION_WIDTH, -_GLFW_DECORATION_TOP,
278 _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
279 createDecoration(&window->wl.decorations.right, window->wl.surface,
280 window->wl.decorations.buffer, opaque,
281 window->wl.width, -_GLFW_DECORATION_TOP,
282 _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
283 createDecoration(&window->wl.decorations.bottom, window->wl.surface,
284 window->wl.decorations.buffer, opaque,
285 -_GLFW_DECORATION_WIDTH, window->wl.height,
286 window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
287 }
288
destroyDecoration(_GLFWdecorationWayland * decoration)289 static void destroyDecoration(_GLFWdecorationWayland* decoration)
290 {
291 if (decoration->surface)
292 wl_surface_destroy(decoration->surface);
293 if (decoration->subsurface)
294 wl_subsurface_destroy(decoration->subsurface);
295 if (decoration->viewport)
296 wp_viewport_destroy(decoration->viewport);
297 decoration->surface = NULL;
298 decoration->subsurface = NULL;
299 decoration->viewport = NULL;
300 }
301
destroyDecorations(_GLFWwindow * window)302 static void destroyDecorations(_GLFWwindow* window)
303 {
304 destroyDecoration(&window->wl.decorations.top);
305 destroyDecoration(&window->wl.decorations.left);
306 destroyDecoration(&window->wl.decorations.right);
307 destroyDecoration(&window->wl.decorations.bottom);
308 }
309
310 // Makes the surface considered as XRGB instead of ARGB.
setOpaqueRegion(_GLFWwindow * window)311 static void setOpaqueRegion(_GLFWwindow* window)
312 {
313 struct wl_region* region;
314
315 region = wl_compositor_create_region(_glfw.wl.compositor);
316 if (!region)
317 return;
318
319 wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
320 wl_surface_set_opaque_region(window->wl.surface, region);
321 wl_surface_commit(window->wl.surface);
322 wl_region_destroy(region);
323 }
324
325
resizeWindow(_GLFWwindow * window)326 static void resizeWindow(_GLFWwindow* window)
327 {
328 int scale = window->wl.scale;
329 int scaledWidth = window->wl.width * scale;
330 int scaledHeight = window->wl.height * scale;
331 wl_egl_window_resize(window->wl.native, scaledWidth, scaledHeight, 0, 0);
332 if (!window->wl.transparent)
333 setOpaqueRegion(window);
334 _glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
335 _glfwInputWindowContentScale(window, scale, scale);
336
337 if (!window->wl.decorations.top.surface)
338 return;
339
340 // Top decoration.
341 wp_viewport_set_destination(window->wl.decorations.top.viewport,
342 window->wl.width, _GLFW_DECORATION_TOP);
343 wl_surface_commit(window->wl.decorations.top.surface);
344
345 // Left decoration.
346 wp_viewport_set_destination(window->wl.decorations.left.viewport,
347 _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
348 wl_surface_commit(window->wl.decorations.left.surface);
349
350 // Right decoration.
351 wl_subsurface_set_position(window->wl.decorations.right.subsurface,
352 window->wl.width, -_GLFW_DECORATION_TOP);
353 wp_viewport_set_destination(window->wl.decorations.right.viewport,
354 _GLFW_DECORATION_WIDTH, window->wl.height + _GLFW_DECORATION_TOP);
355 wl_surface_commit(window->wl.decorations.right.surface);
356
357 // Bottom decoration.
358 wl_subsurface_set_position(window->wl.decorations.bottom.subsurface,
359 -_GLFW_DECORATION_WIDTH, window->wl.height);
360 wp_viewport_set_destination(window->wl.decorations.bottom.viewport,
361 window->wl.width + _GLFW_DECORATION_HORIZONTAL, _GLFW_DECORATION_WIDTH);
362 wl_surface_commit(window->wl.decorations.bottom.surface);
363 }
364
checkScaleChange(_GLFWwindow * window)365 static void checkScaleChange(_GLFWwindow* window)
366 {
367 int scale = 1;
368 int i;
369 int monitorScale;
370
371 // Check if we will be able to set the buffer scale or not.
372 if (_glfw.wl.compositorVersion < 3)
373 return;
374
375 // Get the scale factor from the highest scale monitor.
376 for (i = 0; i < window->wl.monitorsCount; ++i)
377 {
378 monitorScale = window->wl.monitors[i]->wl.scale;
379 if (scale < monitorScale)
380 scale = monitorScale;
381 }
382
383 // Only change the framebuffer size if the scale changed.
384 if (scale != window->wl.scale)
385 {
386 window->wl.scale = scale;
387 wl_surface_set_buffer_scale(window->wl.surface, scale);
388 resizeWindow(window);
389 }
390 }
391
handleEnter(void * data,struct wl_surface * surface,struct wl_output * output)392 static void handleEnter(void *data,
393 struct wl_surface *surface,
394 struct wl_output *output)
395 {
396 _GLFWwindow* window = data;
397 _GLFWmonitor* monitor = wl_output_get_user_data(output);
398
399 if (window->wl.monitorsCount + 1 > window->wl.monitorsSize)
400 {
401 ++window->wl.monitorsSize;
402 window->wl.monitors =
403 realloc(window->wl.monitors,
404 window->wl.monitorsSize * sizeof(_GLFWmonitor*));
405 }
406
407 window->wl.monitors[window->wl.monitorsCount++] = monitor;
408
409 checkScaleChange(window);
410 }
411
handleLeave(void * data,struct wl_surface * surface,struct wl_output * output)412 static void handleLeave(void *data,
413 struct wl_surface *surface,
414 struct wl_output *output)
415 {
416 _GLFWwindow* window = data;
417 _GLFWmonitor* monitor = wl_output_get_user_data(output);
418 GLFWbool found;
419 int i;
420
421 for (i = 0, found = GLFW_FALSE; i < window->wl.monitorsCount - 1; ++i)
422 {
423 if (monitor == window->wl.monitors[i])
424 found = GLFW_TRUE;
425 if (found)
426 window->wl.monitors[i] = window->wl.monitors[i + 1];
427 }
428 window->wl.monitors[--window->wl.monitorsCount] = NULL;
429
430 checkScaleChange(window);
431 }
432
433 static const struct wl_surface_listener surfaceListener = {
434 handleEnter,
435 handleLeave
436 };
437
setIdleInhibitor(_GLFWwindow * window,GLFWbool enable)438 static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable)
439 {
440 if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager)
441 {
442 window->wl.idleInhibitor =
443 zwp_idle_inhibit_manager_v1_create_inhibitor(
444 _glfw.wl.idleInhibitManager, window->wl.surface);
445 if (!window->wl.idleInhibitor)
446 _glfwInputError(GLFW_PLATFORM_ERROR,
447 "Wayland: Idle inhibitor creation failed");
448 }
449 else if (!enable && window->wl.idleInhibitor)
450 {
451 zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
452 window->wl.idleInhibitor = NULL;
453 }
454 }
455
createSurface(_GLFWwindow * window,const _GLFWwndconfig * wndconfig)456 static GLFWbool createSurface(_GLFWwindow* window,
457 const _GLFWwndconfig* wndconfig)
458 {
459 window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
460 if (!window->wl.surface)
461 return GLFW_FALSE;
462
463 wl_surface_add_listener(window->wl.surface,
464 &surfaceListener,
465 window);
466
467 wl_surface_set_user_data(window->wl.surface, window);
468
469 window->wl.native = wl_egl_window_create(window->wl.surface,
470 wndconfig->width,
471 wndconfig->height);
472 if (!window->wl.native)
473 return GLFW_FALSE;
474
475 window->wl.width = wndconfig->width;
476 window->wl.height = wndconfig->height;
477 window->wl.scale = 1;
478
479 if (!window->wl.transparent)
480 setOpaqueRegion(window);
481
482 if (window->decorated && !window->monitor)
483 createDecorations(window);
484
485 return GLFW_TRUE;
486 }
487
setFullscreen(_GLFWwindow * window,_GLFWmonitor * monitor,int refreshRate)488 static void setFullscreen(_GLFWwindow* window, _GLFWmonitor* monitor, int refreshRate)
489 {
490 if (window->wl.xdg.toplevel)
491 {
492 xdg_toplevel_set_fullscreen(
493 window->wl.xdg.toplevel,
494 monitor->wl.output);
495 }
496 else if (window->wl.shellSurface)
497 {
498 wl_shell_surface_set_fullscreen(
499 window->wl.shellSurface,
500 WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
501 refreshRate * 1000, // Convert Hz to mHz.
502 monitor->wl.output);
503 }
504 setIdleInhibitor(window, GLFW_TRUE);
505 destroyDecorations(window);
506 }
507
createShellSurface(_GLFWwindow * window)508 static GLFWbool createShellSurface(_GLFWwindow* window)
509 {
510 if (!_glfw.wl.shell)
511 {
512 _glfwInputError(GLFW_PLATFORM_ERROR,
513 "Wayland: wl_shell protocol not available");
514 return GLFW_FALSE;
515 }
516
517 window->wl.shellSurface = wl_shell_get_shell_surface(_glfw.wl.shell,
518 window->wl.surface);
519 if (!window->wl.shellSurface)
520 {
521 _glfwInputError(GLFW_PLATFORM_ERROR,
522 "Wayland: Shell surface creation failed");
523 return GLFW_FALSE;
524 }
525
526 wl_shell_surface_add_listener(window->wl.shellSurface,
527 &shellSurfaceListener,
528 window);
529
530 if (window->wl.title)
531 wl_shell_surface_set_title(window->wl.shellSurface, window->wl.title);
532
533 if (window->monitor)
534 {
535 setFullscreen(window, window->monitor, 0);
536 }
537 else if (window->wl.maximized)
538 {
539 wl_shell_surface_set_maximized(window->wl.shellSurface, NULL);
540 setIdleInhibitor(window, GLFW_FALSE);
541 }
542 else
543 {
544 wl_shell_surface_set_toplevel(window->wl.shellSurface);
545 setIdleInhibitor(window, GLFW_FALSE);
546 }
547
548 wl_surface_commit(window->wl.surface);
549
550 return GLFW_TRUE;
551 }
552
xdgToplevelHandleConfigure(void * data,struct xdg_toplevel * toplevel,int32_t width,int32_t height,struct wl_array * states)553 static void xdgToplevelHandleConfigure(void* data,
554 struct xdg_toplevel* toplevel,
555 int32_t width,
556 int32_t height,
557 struct wl_array* states)
558 {
559 _GLFWwindow* window = data;
560 float aspectRatio;
561 float targetRatio;
562 uint32_t* state;
563 GLFWbool maximized = GLFW_FALSE;
564 GLFWbool fullscreen = GLFW_FALSE;
565 GLFWbool activated = GLFW_FALSE;
566
567 wl_array_for_each(state, states)
568 {
569 switch (*state)
570 {
571 case XDG_TOPLEVEL_STATE_MAXIMIZED:
572 maximized = GLFW_TRUE;
573 break;
574 case XDG_TOPLEVEL_STATE_FULLSCREEN:
575 fullscreen = GLFW_TRUE;
576 break;
577 case XDG_TOPLEVEL_STATE_RESIZING:
578 break;
579 case XDG_TOPLEVEL_STATE_ACTIVATED:
580 activated = GLFW_TRUE;
581 break;
582 }
583 }
584
585 if (width != 0 && height != 0)
586 {
587 if (!maximized && !fullscreen)
588 {
589 if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
590 {
591 aspectRatio = (float)width / (float)height;
592 targetRatio = (float)window->numer / (float)window->denom;
593 if (aspectRatio < targetRatio)
594 height = width / targetRatio;
595 else if (aspectRatio > targetRatio)
596 width = height * targetRatio;
597 }
598 }
599
600 _glfwInputWindowSize(window, width, height);
601 _glfwPlatformSetWindowSize(window, width, height);
602 _glfwInputWindowDamage(window);
603 }
604
605 if (!window->wl.justCreated && !activated && window->autoIconify)
606 _glfwPlatformIconifyWindow(window);
607 _glfwInputWindowFocus(window, activated);
608 window->wl.justCreated = GLFW_FALSE;
609 }
610
xdgToplevelHandleClose(void * data,struct xdg_toplevel * toplevel)611 static void xdgToplevelHandleClose(void* data,
612 struct xdg_toplevel* toplevel)
613 {
614 _GLFWwindow* window = data;
615 _glfwInputWindowCloseRequest(window);
616 }
617
618 static const struct xdg_toplevel_listener xdgToplevelListener = {
619 xdgToplevelHandleConfigure,
620 xdgToplevelHandleClose
621 };
622
xdgSurfaceHandleConfigure(void * data,struct xdg_surface * surface,uint32_t serial)623 static void xdgSurfaceHandleConfigure(void* data,
624 struct xdg_surface* surface,
625 uint32_t serial)
626 {
627 xdg_surface_ack_configure(surface, serial);
628 }
629
630 static const struct xdg_surface_listener xdgSurfaceListener = {
631 xdgSurfaceHandleConfigure
632 };
633
createXdgSurface(_GLFWwindow * window)634 static GLFWbool createXdgSurface(_GLFWwindow* window)
635 {
636 window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase,
637 window->wl.surface);
638 if (!window->wl.xdg.surface)
639 {
640 _glfwInputError(GLFW_PLATFORM_ERROR,
641 "Wayland: xdg-surface creation failed");
642 return GLFW_FALSE;
643 }
644
645 xdg_surface_add_listener(window->wl.xdg.surface,
646 &xdgSurfaceListener,
647 window);
648
649 window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface);
650 if (!window->wl.xdg.toplevel)
651 {
652 _glfwInputError(GLFW_PLATFORM_ERROR,
653 "Wayland: xdg-toplevel creation failed");
654 return GLFW_FALSE;
655 }
656
657 xdg_toplevel_add_listener(window->wl.xdg.toplevel,
658 &xdgToplevelListener,
659 window);
660
661 if (window->wl.title)
662 xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
663
664 if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE)
665 xdg_toplevel_set_min_size(window->wl.xdg.toplevel,
666 window->minwidth, window->minheight);
667 if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
668 xdg_toplevel_set_max_size(window->wl.xdg.toplevel,
669 window->maxwidth, window->maxheight);
670
671 if (window->monitor)
672 {
673 xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel,
674 window->monitor->wl.output);
675 setIdleInhibitor(window, GLFW_TRUE);
676 }
677 else if (window->wl.maximized)
678 {
679 xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
680 setIdleInhibitor(window, GLFW_FALSE);
681 }
682 else
683 {
684 setIdleInhibitor(window, GLFW_FALSE);
685 }
686
687 wl_surface_commit(window->wl.surface);
688 wl_display_roundtrip(_glfw.wl.display);
689
690 return GLFW_TRUE;
691 }
692
693 static void
handleEvents(int timeout)694 handleEvents(int timeout)
695 {
696 struct wl_display* display = _glfw.wl.display;
697 struct pollfd fds[] = {
698 { wl_display_get_fd(display), POLLIN },
699 { _glfw.wl.timerfd, POLLIN },
700 };
701 ssize_t read_ret;
702 uint64_t repeats, i;
703
704 while (wl_display_prepare_read(display) != 0)
705 wl_display_dispatch_pending(display);
706
707 // If an error different from EAGAIN happens, we have likely been
708 // disconnected from the Wayland session, try to handle that the best we
709 // can.
710 if (wl_display_flush(display) < 0 && errno != EAGAIN)
711 {
712 _GLFWwindow* window = _glfw.windowListHead;
713 while (window)
714 {
715 _glfwInputWindowCloseRequest(window);
716 window = window->next;
717 }
718 wl_display_cancel_read(display);
719 return;
720 }
721
722 if (poll(fds, 2, timeout) > 0)
723 {
724 if (fds[0].revents & POLLIN)
725 {
726 wl_display_read_events(display);
727 wl_display_dispatch_pending(display);
728 }
729 else
730 {
731 wl_display_cancel_read(display);
732 }
733
734 if (fds[1].revents & POLLIN)
735 {
736 read_ret = read(_glfw.wl.timerfd, &repeats, sizeof(repeats));
737 if (read_ret != 8)
738 return;
739
740 for (i = 0; i < repeats; ++i)
741 _glfwInputKey(_glfw.wl.keyboardFocus, _glfw.wl.keyboardLastKey,
742 _glfw.wl.keyboardLastScancode, GLFW_REPEAT,
743 _glfw.wl.xkb.modifiers);
744 }
745 }
746 else
747 {
748 wl_display_cancel_read(display);
749 }
750 }
751
752 // Translates a GLFW standard cursor to a theme cursor name
753 //
translateCursorShape(int shape)754 static char *translateCursorShape(int shape)
755 {
756 switch (shape)
757 {
758 case GLFW_ARROW_CURSOR:
759 return "left_ptr";
760 case GLFW_IBEAM_CURSOR:
761 return "xterm";
762 case GLFW_CROSSHAIR_CURSOR:
763 return "crosshair";
764 case GLFW_HAND_CURSOR:
765 return "grabbing";
766 case GLFW_HRESIZE_CURSOR:
767 return "sb_h_double_arrow";
768 case GLFW_VRESIZE_CURSOR:
769 return "sb_v_double_arrow";
770 }
771 return NULL;
772 }
773
774 //////////////////////////////////////////////////////////////////////////
775 ////// GLFW platform API //////
776 //////////////////////////////////////////////////////////////////////////
777
_glfwPlatformCreateWindow(_GLFWwindow * window,const _GLFWwndconfig * wndconfig,const _GLFWctxconfig * ctxconfig,const _GLFWfbconfig * fbconfig)778 int _glfwPlatformCreateWindow(_GLFWwindow* window,
779 const _GLFWwndconfig* wndconfig,
780 const _GLFWctxconfig* ctxconfig,
781 const _GLFWfbconfig* fbconfig)
782 {
783 window->wl.justCreated = GLFW_TRUE;
784 window->wl.transparent = fbconfig->transparent;
785
786 if (!createSurface(window, wndconfig))
787 return GLFW_FALSE;
788
789 if (ctxconfig->client != GLFW_NO_API)
790 {
791 if (ctxconfig->source == GLFW_EGL_CONTEXT_API ||
792 ctxconfig->source == GLFW_NATIVE_CONTEXT_API)
793 {
794 if (!_glfwInitEGL())
795 return GLFW_FALSE;
796 if (!_glfwCreateContextEGL(window, ctxconfig, fbconfig))
797 return GLFW_FALSE;
798 }
799 else if (ctxconfig->source == GLFW_OSMESA_CONTEXT_API)
800 {
801 if (!_glfwInitOSMesa())
802 return GLFW_FALSE;
803 if (!_glfwCreateContextOSMesa(window, ctxconfig, fbconfig))
804 return GLFW_FALSE;
805 }
806 }
807
808 if (wndconfig->title)
809 window->wl.title = _glfw_strdup(wndconfig->title);
810
811 if (wndconfig->visible)
812 {
813 if (_glfw.wl.wmBase)
814 {
815 if (!createXdgSurface(window))
816 return GLFW_FALSE;
817 }
818 else
819 {
820 if (!createShellSurface(window))
821 return GLFW_FALSE;
822 }
823
824 window->wl.visible = GLFW_TRUE;
825 }
826 else
827 {
828 window->wl.xdg.surface = NULL;
829 window->wl.xdg.toplevel = NULL;
830 window->wl.shellSurface = NULL;
831 window->wl.visible = GLFW_FALSE;
832 }
833
834 window->wl.currentCursor = NULL;
835
836 window->wl.monitors = calloc(1, sizeof(_GLFWmonitor*));
837 window->wl.monitorsCount = 0;
838 window->wl.monitorsSize = 1;
839
840 return GLFW_TRUE;
841 }
842
_glfwPlatformDestroyWindow(_GLFWwindow * window)843 void _glfwPlatformDestroyWindow(_GLFWwindow* window)
844 {
845 if (window == _glfw.wl.pointerFocus)
846 {
847 _glfw.wl.pointerFocus = NULL;
848 _glfwInputCursorEnter(window, GLFW_FALSE);
849 }
850 if (window == _glfw.wl.keyboardFocus)
851 {
852 _glfw.wl.keyboardFocus = NULL;
853 _glfwInputWindowFocus(window, GLFW_FALSE);
854 }
855
856 if (window->wl.idleInhibitor)
857 zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
858
859 if (window->context.destroy)
860 window->context.destroy(window);
861
862 destroyDecorations(window);
863 if (window->wl.decorations.buffer)
864 wl_buffer_destroy(window->wl.decorations.buffer);
865
866 if (window->wl.native)
867 wl_egl_window_destroy(window->wl.native);
868
869 if (window->wl.shellSurface)
870 wl_shell_surface_destroy(window->wl.shellSurface);
871
872 if (window->wl.xdg.toplevel)
873 xdg_toplevel_destroy(window->wl.xdg.toplevel);
874
875 if (window->wl.xdg.surface)
876 xdg_surface_destroy(window->wl.xdg.surface);
877
878 if (window->wl.surface)
879 wl_surface_destroy(window->wl.surface);
880
881 free(window->wl.title);
882 free(window->wl.monitors);
883 }
884
_glfwPlatformSetWindowTitle(_GLFWwindow * window,const char * title)885 void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char* title)
886 {
887 if (window->wl.title)
888 free(window->wl.title);
889 window->wl.title = _glfw_strdup(title);
890 if (window->wl.xdg.toplevel)
891 xdg_toplevel_set_title(window->wl.xdg.toplevel, title);
892 else if (window->wl.shellSurface)
893 wl_shell_surface_set_title(window->wl.shellSurface, title);
894 }
895
_glfwPlatformSetWindowIcon(_GLFWwindow * window,int count,const GLFWimage * images)896 void _glfwPlatformSetWindowIcon(_GLFWwindow* window,
897 int count, const GLFWimage* images)
898 {
899 _glfwInputError(GLFW_PLATFORM_ERROR,
900 "Wayland: Setting window icon not supported");
901 }
902
_glfwPlatformGetWindowPos(_GLFWwindow * window,int * xpos,int * ypos)903 void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
904 {
905 // A Wayland client is not aware of its position, so just warn and leave it
906 // as (0, 0)
907
908 _glfwInputError(GLFW_PLATFORM_ERROR,
909 "Wayland: Window position retrieval not supported");
910 }
911
_glfwPlatformSetWindowPos(_GLFWwindow * window,int xpos,int ypos)912 void _glfwPlatformSetWindowPos(_GLFWwindow* window, int xpos, int ypos)
913 {
914 // A Wayland client can not set its position, so just warn
915
916 _glfwInputError(GLFW_PLATFORM_ERROR,
917 "Wayland: Window position setting not supported");
918 }
919
_glfwPlatformGetWindowSize(_GLFWwindow * window,int * width,int * height)920 void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
921 {
922 if (width)
923 *width = window->wl.width;
924 if (height)
925 *height = window->wl.height;
926 }
927
_glfwPlatformSetWindowSize(_GLFWwindow * window,int width,int height)928 void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
929 {
930 window->wl.width = width;
931 window->wl.height = height;
932 resizeWindow(window);
933 }
934
_glfwPlatformSetWindowSizeLimits(_GLFWwindow * window,int minwidth,int minheight,int maxwidth,int maxheight)935 void _glfwPlatformSetWindowSizeLimits(_GLFWwindow* window,
936 int minwidth, int minheight,
937 int maxwidth, int maxheight)
938 {
939 if (_glfw.wl.wmBase)
940 {
941 if (window->wl.xdg.toplevel)
942 {
943 if (minwidth == GLFW_DONT_CARE || minheight == GLFW_DONT_CARE)
944 minwidth = minheight = 0;
945 if (maxwidth == GLFW_DONT_CARE || maxheight == GLFW_DONT_CARE)
946 maxwidth = maxheight = 0;
947 xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight);
948 xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight);
949 wl_surface_commit(window->wl.surface);
950 }
951 }
952 else
953 {
954 // TODO: find out how to trigger a resize.
955 // The actual limits are checked in the wl_shell_surface::configure handler.
956 }
957 }
958
_glfwPlatformSetWindowAspectRatio(_GLFWwindow * window,int numer,int denom)959 void _glfwPlatformSetWindowAspectRatio(_GLFWwindow* window, int numer, int denom)
960 {
961 // TODO: find out how to trigger a resize.
962 // The actual limits are checked in the wl_shell_surface::configure handler.
963 }
964
_glfwPlatformGetFramebufferSize(_GLFWwindow * window,int * width,int * height)965 void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
966 {
967 _glfwPlatformGetWindowSize(window, width, height);
968 *width *= window->wl.scale;
969 *height *= window->wl.scale;
970 }
971
_glfwPlatformGetWindowFrameSize(_GLFWwindow * window,int * left,int * top,int * right,int * bottom)972 void _glfwPlatformGetWindowFrameSize(_GLFWwindow* window,
973 int* left, int* top,
974 int* right, int* bottom)
975 {
976 if (window->decorated && !window->monitor)
977 {
978 if (top)
979 *top = _GLFW_DECORATION_TOP;
980 if (left)
981 *left = _GLFW_DECORATION_WIDTH;
982 if (right)
983 *right = _GLFW_DECORATION_WIDTH;
984 if (bottom)
985 *bottom = _GLFW_DECORATION_WIDTH;
986 }
987 }
988
_glfwPlatformGetWindowContentScale(_GLFWwindow * window,float * xscale,float * yscale)989 void _glfwPlatformGetWindowContentScale(_GLFWwindow* window,
990 float* xscale, float* yscale)
991 {
992 if (xscale)
993 *xscale = (float) window->wl.scale;
994 if (yscale)
995 *yscale = (float) window->wl.scale;
996 }
997
_glfwPlatformIconifyWindow(_GLFWwindow * window)998 void _glfwPlatformIconifyWindow(_GLFWwindow* window)
999 {
1000 if (_glfw.wl.wmBase)
1001 {
1002 if (window->wl.xdg.toplevel)
1003 xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
1004 }
1005 else
1006 {
1007 _glfwInputError(GLFW_PLATFORM_ERROR,
1008 "Wayland: Iconify window not supported on wl_shell");
1009 }
1010 }
1011
_glfwPlatformRestoreWindow(_GLFWwindow * window)1012 void _glfwPlatformRestoreWindow(_GLFWwindow* window)
1013 {
1014 if (window->wl.xdg.toplevel)
1015 {
1016 if (window->monitor)
1017 xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
1018 if (window->wl.maximized)
1019 xdg_toplevel_unset_maximized(window->wl.xdg.toplevel);
1020 // There is no way to unset minimized, or even to know if we are
1021 // minimized, so there is nothing to do here.
1022 }
1023 else if (window->wl.shellSurface)
1024 {
1025 if (window->monitor || window->wl.maximized)
1026 wl_shell_surface_set_toplevel(window->wl.shellSurface);
1027 }
1028 _glfwInputWindowMonitor(window, NULL);
1029 window->wl.maximized = GLFW_FALSE;
1030 }
1031
_glfwPlatformMaximizeWindow(_GLFWwindow * window)1032 void _glfwPlatformMaximizeWindow(_GLFWwindow* window)
1033 {
1034 if (window->wl.xdg.toplevel)
1035 {
1036 xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
1037 }
1038 else if (window->wl.shellSurface)
1039 {
1040 // Let the compositor select the best output.
1041 wl_shell_surface_set_maximized(window->wl.shellSurface, NULL);
1042 }
1043 window->wl.maximized = GLFW_TRUE;
1044 }
1045
_glfwPlatformShowWindow(_GLFWwindow * window)1046 void _glfwPlatformShowWindow(_GLFWwindow* window)
1047 {
1048 if (!window->wl.visible)
1049 {
1050 if (_glfw.wl.wmBase)
1051 createXdgSurface(window);
1052 else if (!window->wl.shellSurface)
1053 createShellSurface(window);
1054 window->wl.visible = GLFW_TRUE;
1055 }
1056 }
1057
_glfwPlatformHideWindow(_GLFWwindow * window)1058 void _glfwPlatformHideWindow(_GLFWwindow* window)
1059 {
1060 if (window->wl.xdg.toplevel)
1061 {
1062 xdg_toplevel_destroy(window->wl.xdg.toplevel);
1063 xdg_surface_destroy(window->wl.xdg.surface);
1064 window->wl.xdg.toplevel = NULL;
1065 window->wl.xdg.surface = NULL;
1066 }
1067 else if (window->wl.shellSurface)
1068 {
1069 wl_shell_surface_destroy(window->wl.shellSurface);
1070 window->wl.shellSurface = NULL;
1071 }
1072 window->wl.visible = GLFW_FALSE;
1073 }
1074
_glfwPlatformRequestWindowAttention(_GLFWwindow * window)1075 void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
1076 {
1077 // TODO
1078 _glfwInputError(GLFW_PLATFORM_ERROR,
1079 "Wayland: Window attention request not implemented yet");
1080 }
1081
_glfwPlatformFocusWindow(_GLFWwindow * window)1082 void _glfwPlatformFocusWindow(_GLFWwindow* window)
1083 {
1084 _glfwInputError(GLFW_PLATFORM_ERROR,
1085 "Wayland: Focusing a window requires user interaction");
1086 }
1087
_glfwPlatformSetWindowMonitor(_GLFWwindow * window,_GLFWmonitor * monitor,int xpos,int ypos,int width,int height,int refreshRate)1088 void _glfwPlatformSetWindowMonitor(_GLFWwindow* window,
1089 _GLFWmonitor* monitor,
1090 int xpos, int ypos,
1091 int width, int height,
1092 int refreshRate)
1093 {
1094 if (monitor)
1095 {
1096 setFullscreen(window, monitor, refreshRate);
1097 }
1098 else
1099 {
1100 if (window->wl.xdg.toplevel)
1101 xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
1102 else if (window->wl.shellSurface)
1103 wl_shell_surface_set_toplevel(window->wl.shellSurface);
1104 setIdleInhibitor(window, GLFW_FALSE);
1105 if (window->decorated)
1106 createDecorations(window);
1107 }
1108 _glfwInputWindowMonitor(window, monitor);
1109 }
1110
_glfwPlatformWindowFocused(_GLFWwindow * window)1111 int _glfwPlatformWindowFocused(_GLFWwindow* window)
1112 {
1113 return _glfw.wl.keyboardFocus == window;
1114 }
1115
_glfwPlatformWindowIconified(_GLFWwindow * window)1116 int _glfwPlatformWindowIconified(_GLFWwindow* window)
1117 {
1118 // wl_shell doesn't have any iconified concept, and xdg-shell doesn’t give
1119 // any way to request whether a surface is iconified.
1120 return GLFW_FALSE;
1121 }
1122
_glfwPlatformWindowVisible(_GLFWwindow * window)1123 int _glfwPlatformWindowVisible(_GLFWwindow* window)
1124 {
1125 return window->wl.visible;
1126 }
1127
_glfwPlatformWindowMaximized(_GLFWwindow * window)1128 int _glfwPlatformWindowMaximized(_GLFWwindow* window)
1129 {
1130 return window->wl.maximized;
1131 }
1132
_glfwPlatformWindowHovered(_GLFWwindow * window)1133 int _glfwPlatformWindowHovered(_GLFWwindow* window)
1134 {
1135 return window->wl.hovered;
1136 }
1137
_glfwPlatformFramebufferTransparent(_GLFWwindow * window)1138 int _glfwPlatformFramebufferTransparent(_GLFWwindow* window)
1139 {
1140 return window->wl.transparent;
1141 }
1142
_glfwPlatformSetWindowResizable(_GLFWwindow * window,GLFWbool enabled)1143 void _glfwPlatformSetWindowResizable(_GLFWwindow* window, GLFWbool enabled)
1144 {
1145 // TODO
1146 _glfwInputError(GLFW_PLATFORM_ERROR,
1147 "Wayland: Window attribute setting not implemented yet");
1148 }
1149
_glfwPlatformSetWindowDecorated(_GLFWwindow * window,GLFWbool enabled)1150 void _glfwPlatformSetWindowDecorated(_GLFWwindow* window, GLFWbool enabled)
1151 {
1152 if (!window->monitor)
1153 {
1154 if (enabled)
1155 createDecorations(window);
1156 else
1157 destroyDecorations(window);
1158 }
1159 }
1160
_glfwPlatformSetWindowFloating(_GLFWwindow * window,GLFWbool enabled)1161 void _glfwPlatformSetWindowFloating(_GLFWwindow* window, GLFWbool enabled)
1162 {
1163 // TODO
1164 _glfwInputError(GLFW_PLATFORM_ERROR,
1165 "Wayland: Window attribute setting not implemented yet");
1166 }
1167
_glfwPlatformGetWindowOpacity(_GLFWwindow * window)1168 float _glfwPlatformGetWindowOpacity(_GLFWwindow* window)
1169 {
1170 return 1.f;
1171 }
1172
_glfwPlatformSetWindowOpacity(_GLFWwindow * window,float opacity)1173 void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
1174 {
1175 }
1176
_glfwPlatformPollEvents(void)1177 void _glfwPlatformPollEvents(void)
1178 {
1179 handleEvents(0);
1180 }
1181
_glfwPlatformWaitEvents(void)1182 void _glfwPlatformWaitEvents(void)
1183 {
1184 handleEvents(-1);
1185 }
1186
_glfwPlatformWaitEventsTimeout(double timeout)1187 void _glfwPlatformWaitEventsTimeout(double timeout)
1188 {
1189 handleEvents((int) (timeout * 1e3));
1190 }
1191
_glfwPlatformPostEmptyEvent(void)1192 void _glfwPlatformPostEmptyEvent(void)
1193 {
1194 wl_display_sync(_glfw.wl.display);
1195 }
1196
_glfwPlatformGetCursorPos(_GLFWwindow * window,double * xpos,double * ypos)1197 void _glfwPlatformGetCursorPos(_GLFWwindow* window, double* xpos, double* ypos)
1198 {
1199 if (xpos)
1200 *xpos = window->wl.cursorPosX;
1201 if (ypos)
1202 *ypos = window->wl.cursorPosY;
1203 }
1204
1205 static GLFWbool isPointerLocked(_GLFWwindow* window);
1206
_glfwPlatformSetCursorPos(_GLFWwindow * window,double x,double y)1207 void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
1208 {
1209 if (isPointerLocked(window))
1210 {
1211 zwp_locked_pointer_v1_set_cursor_position_hint(
1212 window->wl.pointerLock.lockedPointer,
1213 wl_fixed_from_double(x), wl_fixed_from_double(y));
1214 wl_surface_commit(window->wl.surface);
1215 }
1216 }
1217
_glfwPlatformSetCursorMode(_GLFWwindow * window,int mode)1218 void _glfwPlatformSetCursorMode(_GLFWwindow* window, int mode)
1219 {
1220 _glfwPlatformSetCursor(window, window->wl.currentCursor);
1221 }
1222
_glfwPlatformGetScancodeName(int scancode)1223 const char* _glfwPlatformGetScancodeName(int scancode)
1224 {
1225 // TODO
1226 return NULL;
1227 }
1228
_glfwPlatformGetKeyScancode(int key)1229 int _glfwPlatformGetKeyScancode(int key)
1230 {
1231 return _glfw.wl.scancodes[key];
1232 }
1233
_glfwPlatformCreateCursor(_GLFWcursor * cursor,const GLFWimage * image,int xhot,int yhot)1234 int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
1235 const GLFWimage* image,
1236 int xhot, int yhot)
1237 {
1238 cursor->wl.buffer = createShmBuffer(image);
1239 cursor->wl.width = image->width;
1240 cursor->wl.height = image->height;
1241 cursor->wl.xhot = xhot;
1242 cursor->wl.yhot = yhot;
1243 return GLFW_TRUE;
1244 }
1245
_glfwPlatformCreateStandardCursor(_GLFWcursor * cursor,int shape)1246 int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
1247 {
1248 struct wl_cursor* standardCursor;
1249
1250 standardCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
1251 translateCursorShape(shape));
1252 if (!standardCursor)
1253 {
1254 _glfwInputError(GLFW_PLATFORM_ERROR,
1255 "Wayland: Standard cursor \"%s\" not found",
1256 translateCursorShape(shape));
1257 return GLFW_FALSE;
1258 }
1259
1260 cursor->wl.image = standardCursor->images[0];
1261 return GLFW_TRUE;
1262 }
1263
_glfwPlatformDestroyCursor(_GLFWcursor * cursor)1264 void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
1265 {
1266 // If it's a standard cursor we don't need to do anything here
1267 if (cursor->wl.image)
1268 return;
1269
1270 if (cursor->wl.buffer)
1271 wl_buffer_destroy(cursor->wl.buffer);
1272 }
1273
handleRelativeMotion(void * data,struct zwp_relative_pointer_v1 * pointer,uint32_t timeHi,uint32_t timeLo,wl_fixed_t dx,wl_fixed_t dy,wl_fixed_t dxUnaccel,wl_fixed_t dyUnaccel)1274 static void handleRelativeMotion(void* data,
1275 struct zwp_relative_pointer_v1* pointer,
1276 uint32_t timeHi,
1277 uint32_t timeLo,
1278 wl_fixed_t dx,
1279 wl_fixed_t dy,
1280 wl_fixed_t dxUnaccel,
1281 wl_fixed_t dyUnaccel)
1282 {
1283 _GLFWwindow* window = data;
1284
1285 if (window->cursorMode != GLFW_CURSOR_DISABLED)
1286 return;
1287
1288 _glfwInputCursorPos(window,
1289 window->virtualCursorPosX + wl_fixed_to_double(dxUnaccel),
1290 window->virtualCursorPosY + wl_fixed_to_double(dyUnaccel));
1291 }
1292
1293 static const struct zwp_relative_pointer_v1_listener relativePointerListener = {
1294 handleRelativeMotion
1295 };
1296
handleLocked(void * data,struct zwp_locked_pointer_v1 * lockedPointer)1297 static void handleLocked(void* data,
1298 struct zwp_locked_pointer_v1* lockedPointer)
1299 {
1300 }
1301
unlockPointer(_GLFWwindow * window)1302 static void unlockPointer(_GLFWwindow* window)
1303 {
1304 struct zwp_relative_pointer_v1* relativePointer =
1305 window->wl.pointerLock.relativePointer;
1306 struct zwp_locked_pointer_v1* lockedPointer =
1307 window->wl.pointerLock.lockedPointer;
1308
1309 zwp_relative_pointer_v1_destroy(relativePointer);
1310 zwp_locked_pointer_v1_destroy(lockedPointer);
1311
1312 window->wl.pointerLock.relativePointer = NULL;
1313 window->wl.pointerLock.lockedPointer = NULL;
1314 }
1315
1316 static void lockPointer(_GLFWwindow* window);
1317
handleUnlocked(void * data,struct zwp_locked_pointer_v1 * lockedPointer)1318 static void handleUnlocked(void* data,
1319 struct zwp_locked_pointer_v1* lockedPointer)
1320 {
1321 }
1322
1323 static const struct zwp_locked_pointer_v1_listener lockedPointerListener = {
1324 handleLocked,
1325 handleUnlocked
1326 };
1327
lockPointer(_GLFWwindow * window)1328 static void lockPointer(_GLFWwindow* window)
1329 {
1330 struct zwp_relative_pointer_v1* relativePointer;
1331 struct zwp_locked_pointer_v1* lockedPointer;
1332
1333 if (!_glfw.wl.relativePointerManager)
1334 {
1335 _glfwInputError(GLFW_PLATFORM_ERROR,
1336 "Wayland: no relative pointer manager");
1337 return;
1338 }
1339
1340 relativePointer =
1341 zwp_relative_pointer_manager_v1_get_relative_pointer(
1342 _glfw.wl.relativePointerManager,
1343 _glfw.wl.pointer);
1344 zwp_relative_pointer_v1_add_listener(relativePointer,
1345 &relativePointerListener,
1346 window);
1347
1348 lockedPointer =
1349 zwp_pointer_constraints_v1_lock_pointer(
1350 _glfw.wl.pointerConstraints,
1351 window->wl.surface,
1352 _glfw.wl.pointer,
1353 NULL,
1354 ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_PERSISTENT);
1355 zwp_locked_pointer_v1_add_listener(lockedPointer,
1356 &lockedPointerListener,
1357 window);
1358
1359 window->wl.pointerLock.relativePointer = relativePointer;
1360 window->wl.pointerLock.lockedPointer = lockedPointer;
1361
1362 wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
1363 NULL, 0, 0);
1364 }
1365
isPointerLocked(_GLFWwindow * window)1366 static GLFWbool isPointerLocked(_GLFWwindow* window)
1367 {
1368 return window->wl.pointerLock.lockedPointer != NULL;
1369 }
1370
_glfwPlatformSetCursor(_GLFWwindow * window,_GLFWcursor * cursor)1371 void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
1372 {
1373 struct wl_buffer* buffer;
1374 struct wl_cursor* defaultCursor;
1375 struct wl_cursor_image* image;
1376 struct wl_surface* surface = _glfw.wl.cursorSurface;
1377
1378 if (!_glfw.wl.pointer)
1379 return;
1380
1381 window->wl.currentCursor = cursor;
1382
1383 // If we're not in the correct window just save the cursor
1384 // the next time the pointer enters the window the cursor will change
1385 if (window != _glfw.wl.pointerFocus)
1386 return;
1387
1388 // Unlock possible pointer lock if no longer disabled.
1389 if (window->cursorMode != GLFW_CURSOR_DISABLED && isPointerLocked(window))
1390 unlockPointer(window);
1391
1392 if (window->cursorMode == GLFW_CURSOR_NORMAL)
1393 {
1394 if (cursor)
1395 image = cursor->wl.image;
1396 else
1397 {
1398 defaultCursor = wl_cursor_theme_get_cursor(_glfw.wl.cursorTheme,
1399 "left_ptr");
1400 if (!defaultCursor)
1401 {
1402 _glfwInputError(GLFW_PLATFORM_ERROR,
1403 "Wayland: Standard cursor not found");
1404 return;
1405 }
1406 image = defaultCursor->images[0];
1407 }
1408
1409 if (image)
1410 {
1411 buffer = wl_cursor_image_get_buffer(image);
1412 if (!buffer)
1413 return;
1414 wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
1415 surface,
1416 image->hotspot_x,
1417 image->hotspot_y);
1418 wl_surface_attach(surface, buffer, 0, 0);
1419 wl_surface_damage(surface, 0, 0,
1420 image->width, image->height);
1421 wl_surface_commit(surface);
1422 }
1423 else
1424 {
1425 wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
1426 surface,
1427 cursor->wl.xhot,
1428 cursor->wl.yhot);
1429 wl_surface_attach(surface, cursor->wl.buffer, 0, 0);
1430 wl_surface_damage(surface, 0, 0,
1431 cursor->wl.width, cursor->wl.height);
1432 wl_surface_commit(surface);
1433 }
1434 }
1435 else if (window->cursorMode == GLFW_CURSOR_DISABLED)
1436 {
1437 if (!isPointerLocked(window))
1438 lockPointer(window);
1439 }
1440 else if (window->cursorMode == GLFW_CURSOR_HIDDEN)
1441 {
1442 wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerSerial,
1443 NULL, 0, 0);
1444 }
1445 }
1446
_glfwPlatformSetClipboardString(const char * string)1447 void _glfwPlatformSetClipboardString(const char* string)
1448 {
1449 // TODO
1450 _glfwInputError(GLFW_PLATFORM_ERROR,
1451 "Wayland: Clipboard setting not implemented yet");
1452 }
1453
_glfwPlatformGetClipboardString(void)1454 const char* _glfwPlatformGetClipboardString(void)
1455 {
1456 // TODO
1457 _glfwInputError(GLFW_PLATFORM_ERROR,
1458 "Wayland: Clipboard getting not implemented yet");
1459 return NULL;
1460 }
1461
_glfwPlatformGetRequiredInstanceExtensions(char ** extensions)1462 void _glfwPlatformGetRequiredInstanceExtensions(char** extensions)
1463 {
1464 if (!_glfw.vk.KHR_surface || !_glfw.vk.KHR_wayland_surface)
1465 return;
1466
1467 extensions[0] = "VK_KHR_surface";
1468 extensions[1] = "VK_KHR_wayland_surface";
1469 }
1470
_glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,VkPhysicalDevice device,uint32_t queuefamily)1471 int _glfwPlatformGetPhysicalDevicePresentationSupport(VkInstance instance,
1472 VkPhysicalDevice device,
1473 uint32_t queuefamily)
1474 {
1475 PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR
1476 vkGetPhysicalDeviceWaylandPresentationSupportKHR =
1477 (PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR)
1478 vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
1479 if (!vkGetPhysicalDeviceWaylandPresentationSupportKHR)
1480 {
1481 _glfwInputError(GLFW_API_UNAVAILABLE,
1482 "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
1483 return VK_NULL_HANDLE;
1484 }
1485
1486 return vkGetPhysicalDeviceWaylandPresentationSupportKHR(device,
1487 queuefamily,
1488 _glfw.wl.display);
1489 }
1490
_glfwPlatformCreateWindowSurface(VkInstance instance,_GLFWwindow * window,const VkAllocationCallbacks * allocator,VkSurfaceKHR * surface)1491 VkResult _glfwPlatformCreateWindowSurface(VkInstance instance,
1492 _GLFWwindow* window,
1493 const VkAllocationCallbacks* allocator,
1494 VkSurfaceKHR* surface)
1495 {
1496 VkResult err;
1497 VkWaylandSurfaceCreateInfoKHR sci;
1498 PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR;
1499
1500 vkCreateWaylandSurfaceKHR = (PFN_vkCreateWaylandSurfaceKHR)
1501 vkGetInstanceProcAddr(instance, "vkCreateWaylandSurfaceKHR");
1502 if (!vkCreateWaylandSurfaceKHR)
1503 {
1504 _glfwInputError(GLFW_API_UNAVAILABLE,
1505 "Wayland: Vulkan instance missing VK_KHR_wayland_surface extension");
1506 return VK_ERROR_EXTENSION_NOT_PRESENT;
1507 }
1508
1509 memset(&sci, 0, sizeof(sci));
1510 sci.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
1511 sci.display = _glfw.wl.display;
1512 sci.surface = window->wl.surface;
1513
1514 err = vkCreateWaylandSurfaceKHR(instance, &sci, allocator, surface);
1515 if (err)
1516 {
1517 _glfwInputError(GLFW_PLATFORM_ERROR,
1518 "Wayland: Failed to create Vulkan surface: %s",
1519 _glfwGetVulkanResultString(err));
1520 }
1521
1522 return err;
1523 }
1524
1525
1526 //////////////////////////////////////////////////////////////////////////
1527 ////// GLFW native API //////
1528 //////////////////////////////////////////////////////////////////////////
1529
glfwGetWaylandDisplay(void)1530 GLFWAPI struct wl_display* glfwGetWaylandDisplay(void)
1531 {
1532 _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
1533 return _glfw.wl.display;
1534 }
1535
glfwGetWaylandWindow(GLFWwindow * handle)1536 GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* handle)
1537 {
1538 _GLFWwindow* window = (_GLFWwindow*) handle;
1539 _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
1540 return window->wl.surface;
1541 }
1542
1543