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wl_window.c
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wl_window.c
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//========================================================================
// GLFW 3.4 Wayland - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
//
// 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
//========================================================================
#define _GNU_SOURCE
#include "internal.h"
#if defined(_GLFW_WAYLAND)
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/timerfd.h>
#include <poll.h>
#include "wayland-client-protocol.h"
#include "wayland-xdg-shell-client-protocol.h"
#include "wayland-xdg-decoration-client-protocol.h"
#include "wayland-viewporter-client-protocol.h"
#include "wayland-relative-pointer-unstable-v1-client-protocol.h"
#include "wayland-pointer-constraints-unstable-v1-client-protocol.h"
#include "wayland-idle-inhibit-unstable-v1-client-protocol.h"
#define GLFW_BORDER_SIZE 4
#define GLFW_CAPTION_HEIGHT 24
static int createTmpfileCloexec(char* tmpname)
{
int fd;
fd = mkostemp(tmpname, O_CLOEXEC);
if (fd >= 0)
unlink(tmpname);
return fd;
}
/*
* Create a new, unique, anonymous file of the given size, and
* return the file descriptor for it. The file descriptor is set
* CLOEXEC. The file is immediately suitable for mmap()'ing
* the given size at offset zero.
*
* The file should not have a permanent backing store like a disk,
* but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
*
* The file name is deleted from the file system.
*
* The file is suitable for buffer sharing between processes by
* transmitting the file descriptor over Unix sockets using the
* SCM_RIGHTS methods.
*
* posix_fallocate() is used to guarantee that disk space is available
* for the file at the given size. If disk space is insufficient, errno
* is set to ENOSPC. If posix_fallocate() is not supported, program may
* receive SIGBUS on accessing mmap()'ed file contents instead.
*/
static int createAnonymousFile(off_t size)
{
static const char template[] = "/glfw-shared-XXXXXX";
const char* path;
char* name;
int fd;
int ret;
#ifdef HAVE_MEMFD_CREATE
fd = memfd_create("glfw-shared", MFD_CLOEXEC | MFD_ALLOW_SEALING);
if (fd >= 0)
{
// We can add this seal before calling posix_fallocate(), as the file
// is currently zero-sized anyway.
//
// There is also no need to check for the return value, we couldn’t do
// anything with it anyway.
fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_SEAL);
}
else
#elif defined(SHM_ANON)
fd = shm_open(SHM_ANON, O_RDWR | O_CLOEXEC, 0600);
if (fd < 0)
#endif
{
path = getenv("XDG_RUNTIME_DIR");
if (!path)
{
errno = ENOENT;
return -1;
}
name = _glfw_calloc(strlen(path) + sizeof(template), 1);
strcpy(name, path);
strcat(name, template);
fd = createTmpfileCloexec(name);
_glfw_free(name);
if (fd < 0)
return -1;
}
#if defined(SHM_ANON)
// posix_fallocate does not work on SHM descriptors
ret = ftruncate(fd, size);
#else
ret = posix_fallocate(fd, 0, size);
#endif
if (ret != 0)
{
close(fd);
errno = ret;
return -1;
}
return fd;
}
static struct wl_buffer* createShmBuffer(const GLFWimage* image)
{
const int stride = image->width * 4;
const int length = image->width * image->height * 4;
const int fd = createAnonymousFile(length);
if (fd < 0)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create buffer file of size %d: %s",
length, strerror(errno));
return NULL;
}
void* data = mmap(NULL, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data == MAP_FAILED)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to map file: %s", strerror(errno));
close(fd);
return NULL;
}
struct wl_shm_pool* pool = wl_shm_create_pool(_glfw.wl.shm, fd, length);
close(fd);
unsigned char* source = (unsigned char*) image->pixels;
unsigned char* target = data;
for (int i = 0; i < image->width * image->height; i++, source += 4)
{
unsigned int alpha = source[3];
*target++ = (unsigned char) ((source[2] * alpha) / 255);
*target++ = (unsigned char) ((source[1] * alpha) / 255);
*target++ = (unsigned char) ((source[0] * alpha) / 255);
*target++ = (unsigned char) alpha;
}
struct wl_buffer* buffer =
wl_shm_pool_create_buffer(pool, 0,
image->width,
image->height,
stride, WL_SHM_FORMAT_ARGB8888);
munmap(data, length);
wl_shm_pool_destroy(pool);
return buffer;
}
static void createFallbackDecoration(_GLFWwindow* window,
_GLFWdecorationWayland* decoration,
struct wl_surface* parent,
struct wl_buffer* buffer,
int x, int y,
int width, int height)
{
decoration->surface = wl_compositor_create_surface(_glfw.wl.compositor);
wl_surface_set_user_data(decoration->surface, window);
wl_proxy_set_tag((struct wl_proxy*) decoration->surface, &_glfw.wl.tag);
decoration->subsurface =
wl_subcompositor_get_subsurface(_glfw.wl.subcompositor,
decoration->surface, parent);
wl_subsurface_set_position(decoration->subsurface, x, y);
decoration->viewport = wp_viewporter_get_viewport(_glfw.wl.viewporter,
decoration->surface);
wp_viewport_set_destination(decoration->viewport, width, height);
wl_surface_attach(decoration->surface, buffer, 0, 0);
struct wl_region* region = wl_compositor_create_region(_glfw.wl.compositor);
wl_region_add(region, 0, 0, width, height);
wl_surface_set_opaque_region(decoration->surface, region);
wl_surface_commit(decoration->surface);
wl_region_destroy(region);
}
static void createFallbackDecorations(_GLFWwindow* window)
{
unsigned char data[] = { 224, 224, 224, 255 };
const GLFWimage image = { 1, 1, data };
if (!_glfw.wl.viewporter)
return;
if (!window->wl.decorations.buffer)
window->wl.decorations.buffer = createShmBuffer(&image);
if (!window->wl.decorations.buffer)
return;
createFallbackDecoration(window, &window->wl.decorations.top, window->wl.surface,
window->wl.decorations.buffer,
0, -GLFW_CAPTION_HEIGHT,
window->wl.width, GLFW_CAPTION_HEIGHT);
createFallbackDecoration(window, &window->wl.decorations.left, window->wl.surface,
window->wl.decorations.buffer,
-GLFW_BORDER_SIZE, -GLFW_CAPTION_HEIGHT,
GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT);
createFallbackDecoration(window, &window->wl.decorations.right, window->wl.surface,
window->wl.decorations.buffer,
window->wl.width, -GLFW_CAPTION_HEIGHT,
GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT);
createFallbackDecoration(window, &window->wl.decorations.bottom, window->wl.surface,
window->wl.decorations.buffer,
-GLFW_BORDER_SIZE, window->wl.height,
window->wl.width + GLFW_BORDER_SIZE * 2, GLFW_BORDER_SIZE);
}
static void destroyFallbackDecoration(_GLFWdecorationWayland* decoration)
{
if (decoration->subsurface)
wl_subsurface_destroy(decoration->subsurface);
if (decoration->surface)
wl_surface_destroy(decoration->surface);
if (decoration->viewport)
wp_viewport_destroy(decoration->viewport);
decoration->surface = NULL;
decoration->subsurface = NULL;
decoration->viewport = NULL;
}
static void destroyFallbackDecorations(_GLFWwindow* window)
{
destroyFallbackDecoration(&window->wl.decorations.top);
destroyFallbackDecoration(&window->wl.decorations.left);
destroyFallbackDecoration(&window->wl.decorations.right);
destroyFallbackDecoration(&window->wl.decorations.bottom);
}
static void xdgDecorationHandleConfigure(void* userData,
struct zxdg_toplevel_decoration_v1* decoration,
uint32_t mode)
{
_GLFWwindow* window = userData;
window->wl.xdg.decorationMode = mode;
if (mode == ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE)
{
if (window->decorated && !window->monitor)
createFallbackDecorations(window);
}
else
destroyFallbackDecorations(window);
}
static const struct zxdg_toplevel_decoration_v1_listener xdgDecorationListener =
{
xdgDecorationHandleConfigure,
};
// Makes the surface considered as XRGB instead of ARGB.
static void setContentAreaOpaque(_GLFWwindow* window)
{
struct wl_region* region;
region = wl_compositor_create_region(_glfw.wl.compositor);
if (!region)
return;
wl_region_add(region, 0, 0, window->wl.width, window->wl.height);
wl_surface_set_opaque_region(window->wl.surface, region);
wl_region_destroy(region);
}
static void resizeWindow(_GLFWwindow* window)
{
int scale = window->wl.contentScale;
int scaledWidth = window->wl.width * scale;
int scaledHeight = window->wl.height * scale;
if (window->wl.egl.window)
wl_egl_window_resize(window->wl.egl.window, scaledWidth, scaledHeight, 0, 0);
if (!window->wl.transparent)
setContentAreaOpaque(window);
_glfwInputFramebufferSize(window, scaledWidth, scaledHeight);
if (!window->wl.decorations.top.surface)
return;
wp_viewport_set_destination(window->wl.decorations.top.viewport,
window->wl.width, GLFW_CAPTION_HEIGHT);
wl_surface_commit(window->wl.decorations.top.surface);
wp_viewport_set_destination(window->wl.decorations.left.viewport,
GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT);
wl_surface_commit(window->wl.decorations.left.surface);
wl_subsurface_set_position(window->wl.decorations.right.subsurface,
window->wl.width, -GLFW_CAPTION_HEIGHT);
wp_viewport_set_destination(window->wl.decorations.right.viewport,
GLFW_BORDER_SIZE, window->wl.height + GLFW_CAPTION_HEIGHT);
wl_surface_commit(window->wl.decorations.right.surface);
wl_subsurface_set_position(window->wl.decorations.bottom.subsurface,
-GLFW_BORDER_SIZE, window->wl.height);
wp_viewport_set_destination(window->wl.decorations.bottom.viewport,
window->wl.width + GLFW_BORDER_SIZE * 2, GLFW_BORDER_SIZE);
wl_surface_commit(window->wl.decorations.bottom.surface);
}
void _glfwUpdateContentScaleWayland(_GLFWwindow* window)
{
if (wl_compositor_get_version(_glfw.wl.compositor) <
WL_SURFACE_SET_BUFFER_SCALE_SINCE_VERSION)
{
return;
}
// Get the scale factor from the highest scale monitor.
int maxScale = 1;
for (int i = 0; i < window->wl.scaleCount; i++)
maxScale = _glfw_max(window->wl.scales[i].factor, maxScale);
// Only change the framebuffer size if the scale changed.
if (window->wl.contentScale != maxScale)
{
window->wl.contentScale = maxScale;
wl_surface_set_buffer_scale(window->wl.surface, maxScale);
_glfwInputWindowContentScale(window, maxScale, maxScale);
resizeWindow(window);
if (window->wl.visible)
_glfwInputWindowDamage(window);
}
}
static void surfaceHandleEnter(void* userData,
struct wl_surface* surface,
struct wl_output* output)
{
if (wl_proxy_get_tag((struct wl_proxy*) output) != &_glfw.wl.tag)
return;
_GLFWwindow* window = userData;
_GLFWmonitor* monitor = wl_output_get_user_data(output);
if (!window || !monitor)
return;
if (window->wl.scaleCount + 1 > window->wl.scaleSize)
{
window->wl.scaleSize++;
window->wl.scales =
_glfw_realloc(window->wl.scales,
window->wl.scaleSize * sizeof(_GLFWscaleWayland));
}
window->wl.scaleCount++;
window->wl.scales[window->wl.scaleCount - 1].factor = monitor->wl.contentScale;
window->wl.scales[window->wl.scaleCount - 1].output = output;
_glfwUpdateContentScaleWayland(window);
}
static void surfaceHandleLeave(void* userData,
struct wl_surface* surface,
struct wl_output* output)
{
if (wl_proxy_get_tag((struct wl_proxy*) output) != &_glfw.wl.tag)
return;
_GLFWwindow* window = userData;
for (int i = 0; i < window->wl.scaleCount; i++)
{
if (window->wl.scales[i].output == output)
{
window->wl.scales[i] = window->wl.scales[window->wl.scaleCount - 1];
window->wl.scaleCount--;
break;
}
}
_glfwUpdateContentScaleWayland(window);
}
static const struct wl_surface_listener surfaceListener =
{
surfaceHandleEnter,
surfaceHandleLeave
};
static void setIdleInhibitor(_GLFWwindow* window, GLFWbool enable)
{
if (enable && !window->wl.idleInhibitor && _glfw.wl.idleInhibitManager)
{
window->wl.idleInhibitor =
zwp_idle_inhibit_manager_v1_create_inhibitor(
_glfw.wl.idleInhibitManager, window->wl.surface);
if (!window->wl.idleInhibitor)
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create idle inhibitor");
}
else if (!enable && window->wl.idleInhibitor)
{
zwp_idle_inhibitor_v1_destroy(window->wl.idleInhibitor);
window->wl.idleInhibitor = NULL;
}
}
// Make the specified window and its video mode active on its monitor
//
static void acquireMonitor(_GLFWwindow* window)
{
if (window->wl.libdecor.frame)
{
libdecor_frame_set_fullscreen(window->wl.libdecor.frame,
window->monitor->wl.output);
}
else if (window->wl.xdg.toplevel)
{
xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel,
window->monitor->wl.output);
}
setIdleInhibitor(window, GLFW_TRUE);
if (window->wl.decorations.top.surface)
destroyFallbackDecorations(window);
}
// Remove the window and restore the original video mode
//
static void releaseMonitor(_GLFWwindow* window)
{
if (window->wl.libdecor.frame)
libdecor_frame_unset_fullscreen(window->wl.libdecor.frame);
else if (window->wl.xdg.toplevel)
xdg_toplevel_unset_fullscreen(window->wl.xdg.toplevel);
setIdleInhibitor(window, GLFW_FALSE);
if (!window->wl.libdecor.frame &&
window->wl.xdg.decorationMode != ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE)
{
if (window->decorated)
createFallbackDecorations(window);
}
}
static void xdgToplevelHandleConfigure(void* userData,
struct xdg_toplevel* toplevel,
int32_t width,
int32_t height,
struct wl_array* states)
{
_GLFWwindow* window = userData;
uint32_t* state;
window->wl.pending.activated = GLFW_FALSE;
window->wl.pending.maximized = GLFW_FALSE;
window->wl.pending.fullscreen = GLFW_FALSE;
wl_array_for_each(state, states)
{
switch (*state)
{
case XDG_TOPLEVEL_STATE_MAXIMIZED:
window->wl.pending.maximized = GLFW_TRUE;
break;
case XDG_TOPLEVEL_STATE_FULLSCREEN:
window->wl.pending.fullscreen = GLFW_TRUE;
break;
case XDG_TOPLEVEL_STATE_RESIZING:
break;
case XDG_TOPLEVEL_STATE_ACTIVATED:
window->wl.pending.activated = GLFW_TRUE;
break;
}
}
if (width && height)
{
if (window->wl.decorations.top.surface)
{
window->wl.pending.width = _glfw_max(0, width - GLFW_BORDER_SIZE * 2);
window->wl.pending.height =
_glfw_max(0, height - GLFW_BORDER_SIZE - GLFW_CAPTION_HEIGHT);
}
else
{
window->wl.pending.width = width;
window->wl.pending.height = height;
}
}
else
{
window->wl.pending.width = window->wl.width;
window->wl.pending.height = window->wl.height;
}
}
static void xdgToplevelHandleClose(void* userData,
struct xdg_toplevel* toplevel)
{
_GLFWwindow* window = userData;
_glfwInputWindowCloseRequest(window);
}
static const struct xdg_toplevel_listener xdgToplevelListener =
{
xdgToplevelHandleConfigure,
xdgToplevelHandleClose
};
static void xdgSurfaceHandleConfigure(void* userData,
struct xdg_surface* surface,
uint32_t serial)
{
_GLFWwindow* window = userData;
xdg_surface_ack_configure(surface, serial);
if (window->wl.activated != window->wl.pending.activated)
{
window->wl.activated = window->wl.pending.activated;
if (!window->wl.activated)
{
if (window->monitor && window->autoIconify)
xdg_toplevel_set_minimized(window->wl.xdg.toplevel);
}
}
if (window->wl.maximized != window->wl.pending.maximized)
{
window->wl.maximized = window->wl.pending.maximized;
_glfwInputWindowMaximize(window, window->wl.maximized);
}
window->wl.fullscreen = window->wl.pending.fullscreen;
int width = window->wl.pending.width;
int height = window->wl.pending.height;
if (!window->wl.maximized && !window->wl.fullscreen)
{
if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
{
const float aspectRatio = (float) width / (float) height;
const float targetRatio = (float) window->numer / (float) window->denom;
if (aspectRatio < targetRatio)
height = width / targetRatio;
else if (aspectRatio > targetRatio)
width = height * targetRatio;
}
}
if (width != window->wl.width || height != window->wl.height)
{
window->wl.width = width;
window->wl.height = height;
resizeWindow(window);
_glfwInputWindowSize(window, width, height);
if (window->wl.visible)
_glfwInputWindowDamage(window);
}
if (!window->wl.visible)
{
// Allow the window to be mapped only if it either has no XDG
// decorations or they have already received a configure event
if (!window->wl.xdg.decoration || window->wl.xdg.decorationMode)
{
window->wl.visible = GLFW_TRUE;
_glfwInputWindowDamage(window);
}
}
}
static const struct xdg_surface_listener xdgSurfaceListener =
{
xdgSurfaceHandleConfigure
};
void libdecorFrameHandleConfigure(struct libdecor_frame* frame,
struct libdecor_configuration* config,
void* userData)
{
_GLFWwindow* window = userData;
int width, height;
enum libdecor_window_state windowState;
GLFWbool fullscreen, activated, maximized;
if (libdecor_configuration_get_window_state(config, &windowState))
{
fullscreen = (windowState & LIBDECOR_WINDOW_STATE_FULLSCREEN) != 0;
activated = (windowState & LIBDECOR_WINDOW_STATE_ACTIVE) != 0;
maximized = (windowState & LIBDECOR_WINDOW_STATE_MAXIMIZED) != 0;
}
else
{
fullscreen = window->wl.fullscreen;
activated = window->wl.activated;
maximized = window->wl.maximized;
}
if (!libdecor_configuration_get_content_size(config, frame, &width, &height))
{
width = window->wl.width;
height = window->wl.height;
}
if (!maximized && !fullscreen)
{
if (window->numer != GLFW_DONT_CARE && window->denom != GLFW_DONT_CARE)
{
const float aspectRatio = (float) width / (float) height;
const float targetRatio = (float) window->numer / (float) window->denom;
if (aspectRatio < targetRatio)
height = width / targetRatio;
else if (aspectRatio > targetRatio)
width = height * targetRatio;
}
}
struct libdecor_state* frameState = libdecor_state_new(width, height);
libdecor_frame_commit(frame, frameState, config);
libdecor_state_free(frameState);
if (window->wl.activated != activated)
{
window->wl.activated = activated;
if (!window->wl.activated)
{
if (window->monitor && window->autoIconify)
libdecor_frame_set_minimized(window->wl.libdecor.frame);
}
}
if (window->wl.maximized != maximized)
{
window->wl.maximized = maximized;
_glfwInputWindowMaximize(window, window->wl.maximized);
}
window->wl.fullscreen = fullscreen;
GLFWbool damaged = GLFW_FALSE;
if (!window->wl.visible)
{
window->wl.visible = GLFW_TRUE;
damaged = GLFW_TRUE;
}
if (width != window->wl.width || height != window->wl.height)
{
window->wl.width = width;
window->wl.height = height;
resizeWindow(window);
_glfwInputWindowSize(window, width, height);
damaged = GLFW_TRUE;
}
if (damaged)
_glfwInputWindowDamage(window);
else
wl_surface_commit(window->wl.surface);
}
void libdecorFrameHandleClose(struct libdecor_frame* frame, void* userData)
{
_GLFWwindow* window = userData;
_glfwInputWindowCloseRequest(window);
}
void libdecorFrameHandleCommit(struct libdecor_frame* frame, void* userData)
{
_GLFWwindow* window = userData;
wl_surface_commit(window->wl.surface);
}
void libdecorFrameHandleDismissPopup(struct libdecor_frame* frame,
const char* seatName,
void* userData)
{
}
static const struct libdecor_frame_interface libdecorFrameInterface =
{
libdecorFrameHandleConfigure,
libdecorFrameHandleClose,
libdecorFrameHandleCommit,
libdecorFrameHandleDismissPopup
};
static GLFWbool createLibdecorFrame(_GLFWwindow* window)
{
window->wl.libdecor.frame = libdecor_decorate(_glfw.wl.libdecor.context,
window->wl.surface,
&libdecorFrameInterface,
window);
if (!window->wl.libdecor.frame)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create libdecor frame");
return GLFW_FALSE;
}
if (strlen(window->wl.appId))
libdecor_frame_set_app_id(window->wl.libdecor.frame, window->wl.appId);
if (strlen(window->wl.title))
libdecor_frame_set_title(window->wl.libdecor.frame, window->wl.title);
if (window->minwidth != GLFW_DONT_CARE &&
window->minheight != GLFW_DONT_CARE)
{
libdecor_frame_set_min_content_size(window->wl.libdecor.frame,
window->minwidth,
window->minheight);
}
if (window->maxwidth != GLFW_DONT_CARE &&
window->maxheight != GLFW_DONT_CARE)
{
libdecor_frame_set_max_content_size(window->wl.libdecor.frame,
window->maxwidth,
window->maxheight);
}
if (!window->resizable)
{
libdecor_frame_unset_capabilities(window->wl.libdecor.frame,
LIBDECOR_ACTION_RESIZE);
}
if (window->monitor)
{
// HACK: Allow libdecor to finish initialization of itself and its
// plugin so it will create the xdg_toplevel for the frame
// This needs to exist when setting the frame to fullscreen
while (!libdecor_frame_get_xdg_toplevel(window->wl.libdecor.frame))
_glfwWaitEventsWayland();
libdecor_frame_set_fullscreen(window->wl.libdecor.frame,
window->monitor->wl.output);
setIdleInhibitor(window, GLFW_TRUE);
}
else
{
if (window->wl.maximized)
libdecor_frame_set_maximized(window->wl.libdecor.frame);
if (!window->decorated)
libdecor_frame_set_visibility(window->wl.libdecor.frame, false);
setIdleInhibitor(window, GLFW_FALSE);
}
libdecor_frame_map(window->wl.libdecor.frame);
wl_display_roundtrip(_glfw.wl.display);
return GLFW_TRUE;
}
static GLFWbool createXdgShellObjects(_GLFWwindow* window)
{
window->wl.xdg.surface = xdg_wm_base_get_xdg_surface(_glfw.wl.wmBase,
window->wl.surface);
if (!window->wl.xdg.surface)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create xdg-surface for window");
return GLFW_FALSE;
}
xdg_surface_add_listener(window->wl.xdg.surface, &xdgSurfaceListener, window);
window->wl.xdg.toplevel = xdg_surface_get_toplevel(window->wl.xdg.surface);
if (!window->wl.xdg.toplevel)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to create xdg-toplevel for window");
return GLFW_FALSE;
}
xdg_toplevel_add_listener(window->wl.xdg.toplevel, &xdgToplevelListener, window);
if (window->wl.appId)
xdg_toplevel_set_app_id(window->wl.xdg.toplevel, window->wl.appId);
if (window->wl.title)
xdg_toplevel_set_title(window->wl.xdg.toplevel, window->wl.title);
if (window->monitor)
{
xdg_toplevel_set_fullscreen(window->wl.xdg.toplevel, window->monitor->wl.output);
setIdleInhibitor(window, GLFW_TRUE);
}
else
{
if (window->wl.maximized)
xdg_toplevel_set_maximized(window->wl.xdg.toplevel);
setIdleInhibitor(window, GLFW_FALSE);
}
if (_glfw.wl.decorationManager)
{
window->wl.xdg.decoration =
zxdg_decoration_manager_v1_get_toplevel_decoration(
_glfw.wl.decorationManager, window->wl.xdg.toplevel);
zxdg_toplevel_decoration_v1_add_listener(window->wl.xdg.decoration,
&xdgDecorationListener,
window);
uint32_t mode;
if (window->decorated)
mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
else
mode = ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE;
zxdg_toplevel_decoration_v1_set_mode(window->wl.xdg.decoration, mode);
}
else
{
if (window->decorated && !window->monitor)
createFallbackDecorations(window);
}
if (window->minwidth != GLFW_DONT_CARE && window->minheight != GLFW_DONT_CARE)
{
int minwidth = window->minwidth;
int minheight = window->minheight;
if (window->wl.decorations.top.surface)
{
minwidth += GLFW_BORDER_SIZE * 2;
minheight += GLFW_CAPTION_HEIGHT + GLFW_BORDER_SIZE;
}
xdg_toplevel_set_min_size(window->wl.xdg.toplevel, minwidth, minheight);
}
if (window->maxwidth != GLFW_DONT_CARE && window->maxheight != GLFW_DONT_CARE)
{
int maxwidth = window->maxwidth;
int maxheight = window->maxheight;
if (window->wl.decorations.top.surface)
{
maxwidth += GLFW_BORDER_SIZE * 2;
maxheight += GLFW_CAPTION_HEIGHT + GLFW_BORDER_SIZE;
}
xdg_toplevel_set_max_size(window->wl.xdg.toplevel, maxwidth, maxheight);
}
wl_surface_commit(window->wl.surface);
wl_display_roundtrip(_glfw.wl.display);
return GLFW_TRUE;
}
static GLFWbool createShellObjects(_GLFWwindow* window)
{
if (_glfw.wl.libdecor.context)
{
if (createLibdecorFrame(window))
return GLFW_TRUE;
}
return createXdgShellObjects(window);
}
static void destroyShellObjects(_GLFWwindow* window)
{
destroyFallbackDecorations(window);
if (window->wl.libdecor.frame)
libdecor_frame_unref(window->wl.libdecor.frame);
if (window->wl.xdg.decoration)
zxdg_toplevel_decoration_v1_destroy(window->wl.xdg.decoration);
if (window->wl.xdg.toplevel)
xdg_toplevel_destroy(window->wl.xdg.toplevel);
if (window->wl.xdg.surface)
xdg_surface_destroy(window->wl.xdg.surface);
window->wl.libdecor.frame = NULL;
window->wl.xdg.decoration = NULL;
window->wl.xdg.decorationMode = 0;
window->wl.xdg.toplevel = NULL;
window->wl.xdg.surface = NULL;
}
static GLFWbool createNativeSurface(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWfbconfig* fbconfig)
{
window->wl.surface = wl_compositor_create_surface(_glfw.wl.compositor);
if (!window->wl.surface)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: Failed to create window surface");
return GLFW_FALSE;
}
wl_proxy_set_tag((struct wl_proxy*) window->wl.surface, &_glfw.wl.tag);
wl_surface_add_listener(window->wl.surface,
&surfaceListener,
window);
window->wl.width = wndconfig->width;
window->wl.height = wndconfig->height;
window->wl.contentScale = 1;
window->wl.title = _glfw_strdup(wndconfig->title);
window->wl.appId = _glfw_strdup(wndconfig->wl.appId);
window->wl.maximized = wndconfig->maximized;
window->wl.transparent = fbconfig->transparent;
if (!window->wl.transparent)
setContentAreaOpaque(window);
return GLFW_TRUE;
}
static void setCursorImage(_GLFWwindow* window,
_GLFWcursorWayland* cursorWayland)
{
struct itimerspec timer = {0};
struct wl_cursor* wlCursor = cursorWayland->cursor;
struct wl_cursor_image* image;
struct wl_buffer* buffer;
struct wl_surface* surface = _glfw.wl.cursorSurface;
int scale = 1;
if (!wlCursor)
buffer = cursorWayland->buffer;
else
{
if (window->wl.contentScale > 1 && cursorWayland->cursorHiDPI)
{
wlCursor = cursorWayland->cursorHiDPI;
scale = 2;
}
image = wlCursor->images[cursorWayland->currentImage];
buffer = wl_cursor_image_get_buffer(image);
if (!buffer)
return;
timer.it_value.tv_sec = image->delay / 1000;
timer.it_value.tv_nsec = (image->delay % 1000) * 1000000;
timerfd_settime(_glfw.wl.cursorTimerfd, 0, &timer, NULL);
cursorWayland->width = image->width;
cursorWayland->height = image->height;
cursorWayland->xhot = image->hotspot_x;