be5300f68e
Without this, I was getting a crash because the theme change function was trying to iterate over the hash table before it was created.
893 lines
26 KiB
C
893 lines
26 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <glib.h>
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#include "gdkwayland.h"
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#include "gdkdisplay.h"
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#include "gdkdisplay-wayland.h"
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#include "gdkscreen.h"
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#include "gdkinternals.h"
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#include "gdkdeviceprivate.h"
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#include "gdkdevicemanager.h"
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#include "gdkkeysprivate.h"
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#include "gdkprivate-wayland.h"
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/**
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* SECTION:wayland_interaction
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* @Short_description: Wayland backend-specific functions
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* @Title: Wayland Interaction
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*
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* The functions in this section are specific to the GDK Wayland backend.
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* To use them, you need to include the `<gdk/gdkwayland.h>` header and use
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* the Wayland-specific pkg-config files to build your application (either
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* `gdk-wayland-3.0` or `gtk+-wayland-3.0`).
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*
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* To make your code compile with other GDK backends, guard backend-specific
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* calls by an ifdef as follows. Since GDK may be built with multiple
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* backends, you should also check for the backend that is in use (e.g. by
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* using the GDK_IS_WAYLAND_DISPLAY() macro).
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* |[<!-- language="C" -->
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* #ifdef GDK_WINDOWING_WAYLAND
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* if (GDK_IS_WAYLAND_DISPLAY (display))
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* {
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* // make Wayland-specific calls here
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* }
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* else
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* #endif
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* #ifdef GDK_WINDOWING_X11
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* if (GDK_IS_X11_DISPLAY (display))
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* {
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* // make X11-specific calls here
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* }
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* else
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* #endif
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* g_error ("Unsupported GDK backend");
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* ]|
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*/
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static void _gdk_wayland_display_load_cursor_theme (GdkWaylandDisplay *wayland_display);
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G_DEFINE_TYPE (GdkWaylandDisplay, gdk_wayland_display, GDK_TYPE_DISPLAY)
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static void
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gdk_input_init (GdkDisplay *display)
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{
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GdkWaylandDisplay *display_wayland;
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GdkDeviceManager *device_manager;
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GdkDevice *device;
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GList *list, *l;
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display_wayland = GDK_WAYLAND_DISPLAY (display);
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device_manager = gdk_display_get_device_manager (display);
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/* For backwards compatibility, just add
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* floating devices that are not keyboards.
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*/
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list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING);
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for (l = list; l; l = l->next)
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{
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device = l->data;
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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continue;
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display_wayland->input_devices = g_list_prepend (display_wayland->input_devices, l->data);
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}
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g_list_free (list);
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/* Now set "core" pointer to the first
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* master device that is a pointer.
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*/
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list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
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for (l = list; l; l = l->next)
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{
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device = l->data;
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if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE)
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continue;
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display->core_pointer = device;
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break;
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}
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/* Add the core pointer to the devices list */
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display_wayland->input_devices = g_list_prepend (display_wayland->input_devices, display->core_pointer);
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g_list_free (list);
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}
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static void
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xdg_shell_ping (void *data,
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struct xdg_shell *xdg_shell,
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uint32_t serial)
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{
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GdkWaylandDisplay *wayland_display = data;
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_gdk_wayland_display_update_serial (wayland_display, serial);
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xdg_shell_pong (xdg_shell, serial);
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}
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static const struct xdg_shell_listener xdg_shell_listener = {
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xdg_shell_ping,
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};
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static void
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gdk_registry_handle_global(void *data, struct wl_registry *registry, uint32_t id,
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const char *interface, uint32_t version)
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{
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GdkWaylandDisplay *display_wayland = data;
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GdkDisplay *gdk_display = GDK_DISPLAY_OBJECT (data);
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struct wl_seat *seat;
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struct wl_output *output;
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if (strcmp(interface, "wl_compositor") == 0) {
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display_wayland->compositor =
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wl_registry_bind(display_wayland->wl_registry, id, &wl_compositor_interface, MIN (version, 3));
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display_wayland->compositor_version = MIN (version, 3);
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} else if (strcmp(interface, "wl_shm") == 0) {
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display_wayland->shm =
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wl_registry_bind(display_wayland->wl_registry, id, &wl_shm_interface, 1);
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/* SHM interface is prerequisite */
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_gdk_wayland_display_load_cursor_theme(display_wayland);
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} else if (strcmp(interface, "xdg_shell") == 0) {
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display_wayland->xdg_shell =
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wl_registry_bind(display_wayland->wl_registry, id, &xdg_shell_interface, 1);
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xdg_shell_use_unstable_version(display_wayland->xdg_shell, XDG_SHELL_VERSION_CURRENT);
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xdg_shell_add_listener(display_wayland->xdg_shell, &xdg_shell_listener, display_wayland);
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} else if (strcmp(interface, "gtk_shell") == 0) {
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display_wayland->gtk_shell =
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wl_registry_bind(display_wayland->wl_registry, id, >k_shell_interface, 1);
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_gdk_wayland_screen_set_has_gtk_shell (display_wayland->screen);
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} else if (strcmp(interface, "wl_output") == 0) {
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output =
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wl_registry_bind(display_wayland->wl_registry, id, &wl_output_interface, MIN (version, 2));
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_gdk_wayland_screen_add_output(display_wayland->screen, id, output, MIN (version, 2));
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} else if (strcmp(interface, "wl_seat") == 0) {
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seat = wl_registry_bind(display_wayland->wl_registry, id, &wl_seat_interface, 4);
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_gdk_wayland_device_manager_add_seat (gdk_display->device_manager, id, seat);
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} else if (strcmp(interface, "wl_data_device_manager") == 0) {
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display_wayland->data_device_manager =
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wl_registry_bind(display_wayland->wl_registry, id,
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&wl_data_device_manager_interface, 1);
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}
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}
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static void
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gdk_registry_handle_global_remove(void *data,
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struct wl_registry *registry,
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uint32_t id)
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{
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GdkWaylandDisplay *display_wayland = data;
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GdkDisplay *display = GDK_DISPLAY (display_wayland);
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_gdk_wayland_device_manager_remove_seat (display->device_manager, id);
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_gdk_wayland_screen_remove_output (display_wayland->screen, id);
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/* FIXME: the object needs to be destroyed here, we're leaking */
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}
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static const struct wl_registry_listener registry_listener = {
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gdk_registry_handle_global,
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gdk_registry_handle_global_remove
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};
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static void
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log_handler(const char *format, va_list args)
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{
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g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args);
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}
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GdkDisplay *
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_gdk_wayland_display_open (const gchar *display_name)
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{
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struct wl_display *wl_display;
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GdkDisplay *display;
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GdkWaylandDisplay *display_wayland;
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wl_log_set_handler_client(log_handler);
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wl_display = wl_display_connect(display_name);
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if (!wl_display)
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return NULL;
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display = g_object_new (GDK_TYPE_WAYLAND_DISPLAY, NULL);
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display->device_manager = _gdk_wayland_device_manager_new (display);
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display_wayland = GDK_WAYLAND_DISPLAY (display);
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display_wayland->wl_display = wl_display;
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display_wayland->screen = _gdk_wayland_screen_new (display);
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display_wayland->event_source = _gdk_wayland_display_event_source_new (display);
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_gdk_wayland_display_init_cursors (display_wayland);
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display_wayland->wl_registry = wl_display_get_registry(display_wayland->wl_display);
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wl_registry_add_listener(display_wayland->wl_registry, ®istry_listener, display_wayland);
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/* Wait until the dust has settled during init... */
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wl_display_roundtrip (display_wayland->wl_display);
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gdk_input_init (display);
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g_signal_emit_by_name (display, "opened");
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return display;
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}
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static void
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gdk_wayland_display_dispose (GObject *object)
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{
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GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (object);
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g_list_foreach (display_wayland->input_devices,
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(GFunc) g_object_run_dispose, NULL);
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_gdk_screen_close (display_wayland->screen);
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if (display_wayland->event_source)
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{
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g_source_destroy (display_wayland->event_source);
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g_source_unref (display_wayland->event_source);
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display_wayland->event_source = NULL;
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}
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G_OBJECT_CLASS (gdk_wayland_display_parent_class)->dispose (object);
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}
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static void
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gdk_wayland_display_finalize (GObject *object)
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{
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GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (object);
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_gdk_wayland_display_finalize_cursors (display_wayland);
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/* input GdkDevice list */
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g_list_free_full (display_wayland->input_devices, g_object_unref);
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g_object_unref (display_wayland->screen);
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g_free (display_wayland->startup_notification_id);
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G_OBJECT_CLASS (gdk_wayland_display_parent_class)->finalize (object);
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}
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static const gchar *
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gdk_wayland_display_get_name (GdkDisplay *display)
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{
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return "Wayland";
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}
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static GdkScreen *
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gdk_wayland_display_get_default_screen (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return GDK_WAYLAND_DISPLAY (display)->screen;
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}
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static void
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gdk_wayland_display_beep (GdkDisplay *display)
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{
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g_return_if_fail (GDK_IS_DISPLAY (display));
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}
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static void
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gdk_wayland_display_sync (GdkDisplay *display)
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{
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GdkWaylandDisplay *display_wayland;
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g_return_if_fail (GDK_IS_DISPLAY (display));
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display_wayland = GDK_WAYLAND_DISPLAY (display);
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wl_display_roundtrip(display_wayland->wl_display);
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}
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static void
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gdk_wayland_display_flush (GdkDisplay *display)
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{
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g_return_if_fail (GDK_IS_DISPLAY (display));
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if (!display->closed)
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wl_display_flush(GDK_WAYLAND_DISPLAY (display)->wl_display);
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}
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static gboolean
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gdk_wayland_display_has_pending (GdkDisplay *display)
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{
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return FALSE;
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}
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static GdkWindow *
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gdk_wayland_display_get_default_group (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return NULL;
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}
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static gboolean
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gdk_wayland_display_supports_selection_notification (GdkDisplay *display)
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{
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return TRUE;
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}
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static gboolean
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gdk_wayland_display_request_selection_notification (GdkDisplay *display,
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GdkAtom selection)
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{
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return FALSE;
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}
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static gboolean
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gdk_wayland_display_supports_clipboard_persistence (GdkDisplay *display)
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{
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return FALSE;
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}
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static void
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gdk_wayland_display_store_clipboard (GdkDisplay *display,
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GdkWindow *clipboard_window,
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guint32 time_,
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const GdkAtom *targets,
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gint n_targets)
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{
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}
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static gboolean
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gdk_wayland_display_supports_shapes (GdkDisplay *display)
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{
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return FALSE;
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}
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static gboolean
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gdk_wayland_display_supports_input_shapes (GdkDisplay *display)
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{
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return TRUE;
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}
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static gboolean
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gdk_wayland_display_supports_composite (GdkDisplay *display)
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{
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return FALSE;
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}
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static GList *
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gdk_wayland_display_list_devices (GdkDisplay *display)
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{
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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return GDK_WAYLAND_DISPLAY (display)->input_devices;
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}
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static void
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gdk_wayland_display_before_process_all_updates (GdkDisplay *display)
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{
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}
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static void
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gdk_wayland_display_after_process_all_updates (GdkDisplay *display)
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{
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/* Post the damage here instead? */
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}
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static gulong
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gdk_wayland_display_get_next_serial (GdkDisplay *display)
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{
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static gulong serial = 0;
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return ++serial;
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}
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/**
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* gdk_wayland_display_broadcast_startup_message:
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* @display: a #GdkDisplay
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* @message_type: startup notification message type ("new", "change",
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* or "remove")
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* @...: a list of key/value pairs (as strings), terminated by a
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* %NULL key. (A %NULL value for a key will cause that key to be
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* skipped in the output.)
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*
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* Sends a startup notification message of type @message_type to
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* @display.
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*
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* This is a convenience function for use by code that implements the
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* freedesktop startup notification specification. Applications should
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* not normally need to call it directly. See the
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* [Startup Notification Protocol specification](http://standards.freedesktop.org/startup-notification-spec/startup-notification-latest.txt)
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* for definitions of the message types and keys that can be used.
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*
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* Since: 2.12
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**/
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void
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gdk_wayland_display_broadcast_startup_message (GdkDisplay *display,
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const char *message_type,
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...)
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{
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GString *message;
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va_list ap;
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const char *key, *value, *p;
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message = g_string_new (message_type);
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g_string_append_c (message, ':');
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va_start (ap, message_type);
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while ((key = va_arg (ap, const char *)))
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{
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value = va_arg (ap, const char *);
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if (!value)
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continue;
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g_string_append_printf (message, " %s=\"", key);
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for (p = value; *p; p++)
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{
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switch (*p)
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{
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case ' ':
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case '"':
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case '\\':
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g_string_append_c (message, '\\');
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break;
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}
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g_string_append_c (message, *p);
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}
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g_string_append_c (message, '\"');
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}
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va_end (ap);
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g_string_free (message, TRUE);
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}
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static void
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gdk_wayland_display_notify_startup_complete (GdkDisplay *display,
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const gchar *startup_id)
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{
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gdk_wayland_display_broadcast_startup_message (display, "remove",
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"ID", startup_id,
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NULL);
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}
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static void
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gdk_wayland_display_event_data_copy (GdkDisplay *display,
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const GdkEvent *src,
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GdkEvent *dst)
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{
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}
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static void
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gdk_wayland_display_event_data_free (GdkDisplay *display,
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GdkEvent *event)
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{
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}
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GdkKeymap *
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_gdk_wayland_display_get_keymap (GdkDisplay *display)
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{
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GdkDeviceManager *device_manager;
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GList *list, *l;
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GdkDevice *core_keyboard = NULL;
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static GdkKeymap *tmp_keymap = NULL;
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device_manager = gdk_display_get_device_manager (display);
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list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
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for (l = list; l; l = l->next)
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{
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GdkDevice *device;
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device = list->data;
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if (gdk_device_get_source (device) != GDK_SOURCE_KEYBOARD)
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continue;
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core_keyboard = device;
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break;
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}
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g_list_free (list);
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if (core_keyboard && tmp_keymap)
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{
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g_object_unref (tmp_keymap);
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|
tmp_keymap = NULL;
|
|
}
|
|
|
|
if (core_keyboard)
|
|
return _gdk_wayland_device_get_keymap (core_keyboard);
|
|
|
|
tmp_keymap = _gdk_wayland_keymap_new ();
|
|
|
|
return tmp_keymap;
|
|
}
|
|
|
|
static void
|
|
gdk_wayland_display_push_error_trap (GdkDisplay *display)
|
|
{
|
|
}
|
|
|
|
static gint
|
|
gdk_wayland_display_pop_error_trap (GdkDisplay *display,
|
|
gboolean ignored)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gdk_wayland_display_class_init (GdkWaylandDisplayClass * class)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (class);
|
|
GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class);
|
|
|
|
object_class->dispose = gdk_wayland_display_dispose;
|
|
object_class->finalize = gdk_wayland_display_finalize;
|
|
|
|
display_class->window_type = gdk_wayland_window_get_type ();
|
|
display_class->get_name = gdk_wayland_display_get_name;
|
|
display_class->get_default_screen = gdk_wayland_display_get_default_screen;
|
|
display_class->beep = gdk_wayland_display_beep;
|
|
display_class->sync = gdk_wayland_display_sync;
|
|
display_class->flush = gdk_wayland_display_flush;
|
|
display_class->has_pending = gdk_wayland_display_has_pending;
|
|
display_class->queue_events = _gdk_wayland_display_queue_events;
|
|
display_class->get_default_group = gdk_wayland_display_get_default_group;
|
|
display_class->supports_selection_notification = gdk_wayland_display_supports_selection_notification;
|
|
display_class->request_selection_notification = gdk_wayland_display_request_selection_notification;
|
|
display_class->supports_clipboard_persistence = gdk_wayland_display_supports_clipboard_persistence;
|
|
display_class->store_clipboard = gdk_wayland_display_store_clipboard;
|
|
display_class->supports_shapes = gdk_wayland_display_supports_shapes;
|
|
display_class->supports_input_shapes = gdk_wayland_display_supports_input_shapes;
|
|
display_class->supports_composite = gdk_wayland_display_supports_composite;
|
|
display_class->list_devices = gdk_wayland_display_list_devices;
|
|
display_class->get_app_launch_context = _gdk_wayland_display_get_app_launch_context;
|
|
display_class->get_default_cursor_size = _gdk_wayland_display_get_default_cursor_size;
|
|
display_class->get_maximal_cursor_size = _gdk_wayland_display_get_maximal_cursor_size;
|
|
display_class->get_cursor_for_type = _gdk_wayland_display_get_cursor_for_type;
|
|
display_class->get_cursor_for_name = _gdk_wayland_display_get_cursor_for_name;
|
|
display_class->get_cursor_for_surface = _gdk_wayland_display_get_cursor_for_surface;
|
|
display_class->supports_cursor_alpha = _gdk_wayland_display_supports_cursor_alpha;
|
|
display_class->supports_cursor_color = _gdk_wayland_display_supports_cursor_color;
|
|
display_class->before_process_all_updates = gdk_wayland_display_before_process_all_updates;
|
|
display_class->after_process_all_updates = gdk_wayland_display_after_process_all_updates;
|
|
display_class->get_next_serial = gdk_wayland_display_get_next_serial;
|
|
display_class->notify_startup_complete = gdk_wayland_display_notify_startup_complete;
|
|
display_class->event_data_copy = gdk_wayland_display_event_data_copy;
|
|
display_class->event_data_free = gdk_wayland_display_event_data_free;
|
|
display_class->create_window_impl = _gdk_wayland_display_create_window_impl;
|
|
display_class->get_keymap = _gdk_wayland_display_get_keymap;
|
|
display_class->push_error_trap = gdk_wayland_display_push_error_trap;
|
|
display_class->pop_error_trap = gdk_wayland_display_pop_error_trap;
|
|
display_class->get_selection_owner = _gdk_wayland_display_get_selection_owner;
|
|
display_class->set_selection_owner = _gdk_wayland_display_set_selection_owner;
|
|
display_class->send_selection_notify = _gdk_wayland_display_send_selection_notify;
|
|
display_class->get_selection_property = _gdk_wayland_display_get_selection_property;
|
|
display_class->convert_selection = _gdk_wayland_display_convert_selection;
|
|
display_class->text_property_to_utf8_list = _gdk_wayland_display_text_property_to_utf8_list;
|
|
display_class->utf8_to_string_target = _gdk_wayland_display_utf8_to_string_target;
|
|
}
|
|
|
|
static void
|
|
gdk_wayland_display_init (GdkWaylandDisplay *display)
|
|
{
|
|
display->xkb_context = xkb_context_new (0);
|
|
}
|
|
|
|
void
|
|
gdk_wayland_display_set_cursor_theme (GdkDisplay *display,
|
|
const gchar *name,
|
|
gint size)
|
|
{
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY(display);
|
|
struct wl_cursor_theme *theme;
|
|
|
|
g_assert (wayland_display);
|
|
g_assert (wayland_display->shm);
|
|
|
|
theme = wl_cursor_theme_load (name, size, wayland_display->shm);
|
|
if (theme == NULL)
|
|
{
|
|
g_warning ("Failed to load cursor theme %s\n", name);
|
|
return;
|
|
}
|
|
|
|
_gdk_wayland_display_update_cursors (wayland_display, theme);
|
|
|
|
if (wayland_display->cursor_theme != NULL)
|
|
wl_cursor_theme_destroy (wayland_display->cursor_theme);
|
|
wayland_display->cursor_theme = theme;
|
|
}
|
|
|
|
static void
|
|
_gdk_wayland_display_load_cursor_theme (GdkWaylandDisplay *wayland_display)
|
|
{
|
|
guint size;
|
|
const gchar *name;
|
|
GValue v = G_VALUE_INIT;
|
|
|
|
g_assert (wayland_display);
|
|
g_assert (wayland_display->shm);
|
|
|
|
g_value_init (&v, G_TYPE_INT);
|
|
if (gdk_screen_get_setting (wayland_display->screen, "gtk-cursor-theme-size", &v))
|
|
size = g_value_get_int (&v);
|
|
else
|
|
size = 32;
|
|
g_value_unset (&v);
|
|
|
|
g_value_init (&v, G_TYPE_STRING);
|
|
if (gdk_screen_get_setting (wayland_display->screen, "gtk-cursor-theme-name", &v))
|
|
name = g_value_get_string (&v);
|
|
else
|
|
name = "default";
|
|
|
|
gdk_wayland_display_set_cursor_theme (GDK_DISPLAY (wayland_display),
|
|
name, size);
|
|
g_value_unset (&v);
|
|
}
|
|
|
|
guint32
|
|
_gdk_wayland_display_get_serial (GdkWaylandDisplay *wayland_display)
|
|
{
|
|
return wayland_display->serial;
|
|
}
|
|
|
|
void
|
|
_gdk_wayland_display_update_serial (GdkWaylandDisplay *wayland_display,
|
|
guint32 serial)
|
|
{
|
|
wayland_display->serial = serial;
|
|
}
|
|
|
|
/**
|
|
* gdk_wayland_display_get_wl_display
|
|
* @display: (type GdkWaylandDisplay): a #GdkDisplay
|
|
*
|
|
* Returns the Wayland wl_display of a #GdkDisplay
|
|
*
|
|
* Returns: (transfer none): a Wayland wl_display
|
|
*
|
|
* Since: 3.8
|
|
*/
|
|
struct wl_display *
|
|
gdk_wayland_display_get_wl_display(GdkDisplay *display)
|
|
{
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY(display);
|
|
|
|
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY(display), NULL);
|
|
|
|
return wayland_display->wl_display;
|
|
}
|
|
|
|
/**
|
|
* gdk_wayland_display_get_wl_compositor
|
|
* @display: (type GdkWaylandDisplay): a #GdkDisplay
|
|
*
|
|
* Returns the Wayland global singleton compositor of a #GdkDisplay
|
|
*
|
|
* Returns: (transfer none): a Wayland wl_compositor
|
|
*
|
|
* Since: 3.8
|
|
*/
|
|
struct wl_compositor *
|
|
gdk_wayland_display_get_wl_compositor (GdkDisplay *display)
|
|
{
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY(display);
|
|
|
|
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY(display), NULL);
|
|
|
|
return wayland_display->compositor;
|
|
}
|
|
|
|
/**
|
|
* gdk_wayland_display_get_xdg_shell
|
|
* @display: (type GdkWaylandDisplay): a #GdkDisplay
|
|
*
|
|
* Returns the Wayland global singleton shell of a #GdkDisplay
|
|
*
|
|
* Returns: (transfer none): a Wayland xdg_shell
|
|
*
|
|
* Since: 3.8
|
|
*/
|
|
struct xdg_shell *
|
|
gdk_wayland_display_get_xdg_shell (GdkDisplay *display)
|
|
{
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY(display);
|
|
|
|
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY(display), NULL);
|
|
|
|
return wayland_display->xdg_shell;
|
|
}
|
|
|
|
static const cairo_user_data_key_t gdk_wayland_cairo_key;
|
|
|
|
typedef struct _GdkWaylandCairoSurfaceData {
|
|
gpointer buf;
|
|
size_t buf_length;
|
|
struct wl_shm_pool *pool;
|
|
struct wl_buffer *buffer;
|
|
GdkWaylandDisplay *display;
|
|
uint32_t scale;
|
|
gboolean busy;
|
|
} GdkWaylandCairoSurfaceData;
|
|
|
|
static void
|
|
buffer_release_callback (void *_data,
|
|
struct wl_buffer *wl_buffer)
|
|
{
|
|
cairo_surface_t *surface = _data;
|
|
GdkWaylandCairoSurfaceData *data = cairo_surface_get_user_data (surface, &gdk_wayland_cairo_key);
|
|
|
|
data->busy = FALSE;
|
|
cairo_surface_destroy (surface);
|
|
}
|
|
|
|
static const struct wl_buffer_listener buffer_listener = {
|
|
buffer_release_callback
|
|
};
|
|
|
|
struct wl_shm_pool *
|
|
create_shm_pool (struct wl_shm *shm,
|
|
int width,
|
|
int height,
|
|
size_t *buf_length,
|
|
void **data_out)
|
|
{
|
|
char filename[] = "/tmp/wayland-shm-XXXXXX";
|
|
struct wl_shm_pool *pool;
|
|
int fd, size, stride;
|
|
void *data;
|
|
|
|
fd = mkstemp (filename);
|
|
if (fd < 0)
|
|
{
|
|
g_critical (G_STRLOC ": Unable to create temporary file (%s): %s",
|
|
filename, g_strerror (errno));
|
|
return NULL;
|
|
}
|
|
|
|
stride = width * 4;
|
|
size = stride * height;
|
|
if (ftruncate (fd, size) < 0)
|
|
{
|
|
g_critical (G_STRLOC ": Truncating temporary file failed: %s",
|
|
g_strerror (errno));
|
|
close (fd);
|
|
return NULL;
|
|
}
|
|
|
|
data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
|
unlink (filename);
|
|
|
|
if (data == MAP_FAILED)
|
|
{
|
|
g_critical (G_STRLOC ": mmap'ping temporary file failed: %s",
|
|
g_strerror (errno));
|
|
close (fd);
|
|
return NULL;
|
|
}
|
|
|
|
pool = wl_shm_create_pool(shm, fd, size);
|
|
|
|
close (fd);
|
|
|
|
*data_out = data;
|
|
*buf_length = size;
|
|
|
|
return pool;
|
|
}
|
|
|
|
static void
|
|
gdk_wayland_cairo_surface_destroy (void *p)
|
|
{
|
|
GdkWaylandCairoSurfaceData *data = p;
|
|
|
|
if (data->buffer)
|
|
wl_buffer_destroy (data->buffer);
|
|
|
|
if (data->pool)
|
|
wl_shm_pool_destroy (data->pool);
|
|
|
|
munmap (data->buf, data->buf_length);
|
|
g_free (data);
|
|
}
|
|
|
|
cairo_surface_t *
|
|
_gdk_wayland_display_create_shm_surface (GdkWaylandDisplay *display,
|
|
int width,
|
|
int height,
|
|
guint scale)
|
|
{
|
|
GdkWaylandCairoSurfaceData *data;
|
|
cairo_surface_t *surface = NULL;
|
|
cairo_status_t status;
|
|
int stride;
|
|
|
|
data = g_new (GdkWaylandCairoSurfaceData, 1);
|
|
data->display = display;
|
|
data->buffer = NULL;
|
|
data->scale = scale;
|
|
data->busy = FALSE;
|
|
|
|
stride = width * 4;
|
|
|
|
data->pool = create_shm_pool (display->shm,
|
|
width*scale, height*scale,
|
|
&data->buf_length,
|
|
&data->buf);
|
|
|
|
surface = cairo_image_surface_create_for_data (data->buf,
|
|
CAIRO_FORMAT_ARGB32,
|
|
width*scale,
|
|
height*scale,
|
|
stride*scale);
|
|
|
|
data->buffer = wl_shm_pool_create_buffer (data->pool, 0,
|
|
width*scale, height*scale,
|
|
stride*scale, WL_SHM_FORMAT_ARGB8888);
|
|
wl_buffer_add_listener (data->buffer, &buffer_listener, surface);
|
|
|
|
cairo_surface_set_user_data (surface, &gdk_wayland_cairo_key,
|
|
data, gdk_wayland_cairo_surface_destroy);
|
|
|
|
#ifdef HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE
|
|
cairo_surface_set_device_scale (surface, scale, scale);
|
|
#endif
|
|
|
|
status = cairo_surface_status (surface);
|
|
if (status != CAIRO_STATUS_SUCCESS)
|
|
{
|
|
g_critical (G_STRLOC ": Unable to create Cairo image surface: %s",
|
|
cairo_status_to_string (status));
|
|
}
|
|
|
|
return surface;
|
|
}
|
|
|
|
struct wl_buffer *
|
|
_gdk_wayland_shm_surface_get_wl_buffer (cairo_surface_t *surface)
|
|
{
|
|
GdkWaylandCairoSurfaceData *data = cairo_surface_get_user_data (surface, &gdk_wayland_cairo_key);
|
|
return data->buffer;
|
|
}
|
|
|
|
void
|
|
_gdk_wayland_shm_surface_set_busy (cairo_surface_t *surface)
|
|
{
|
|
GdkWaylandCairoSurfaceData *data = cairo_surface_get_user_data (surface, &gdk_wayland_cairo_key);
|
|
data->busy = TRUE;
|
|
cairo_surface_reference (surface);
|
|
}
|
|
|
|
gboolean
|
|
_gdk_wayland_shm_surface_get_busy (cairo_surface_t *surface)
|
|
{
|
|
GdkWaylandCairoSurfaceData *data = cairo_surface_get_user_data (surface, &gdk_wayland_cairo_key);
|
|
return data->busy;
|
|
}
|