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153 lines
4.0 KiB
C
153 lines
4.0 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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 "gdkinternals.h"
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#include "gdkprivate-wayland.h"
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typedef struct _GdkWaylandEventSource {
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GSource source;
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GPollFD pfd;
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uint32_t mask;
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GdkDisplay *display;
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} GdkWaylandEventSource;
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static GList *event_sources = NULL;
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static gboolean
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gdk_event_source_prepare(GSource *base, gint *timeout)
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{
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GdkWaylandEventSource *source = (GdkWaylandEventSource *) base;
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GdkWaylandDisplay *display = (GdkWaylandDisplay *) source->display;
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*timeout = -1;
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/* We have to add/remove the GPollFD if we want to update our
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* poll event mask dynamically. Instead, let's just flush all
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* write on idle instead, which is what this amounts to. */
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if (_gdk_event_queue_find_first (source->display) != NULL)
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return TRUE;
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wl_display_flush(display->wl_display);
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return FALSE;
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}
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static gboolean
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gdk_event_source_check(GSource *base)
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{
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GdkWaylandEventSource *source = (GdkWaylandEventSource *) base;
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return _gdk_event_queue_find_first (source->display) != NULL ||
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source->pfd.revents;
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}
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static gboolean
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gdk_event_source_dispatch(GSource *base,
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GSourceFunc callback,
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gpointer data)
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{
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GdkWaylandEventSource *source = (GdkWaylandEventSource *) base;
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GdkDisplay *display = source->display;
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GdkEvent *event;
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gdk_threads_enter ();
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event = gdk_display_get_event (display);
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if (event)
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{
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_gdk_event_emit (event);
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gdk_event_free (event);
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}
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gdk_threads_leave ();
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return TRUE;
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}
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static void
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gdk_event_source_finalize (GSource *source)
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{
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event_sources = g_list_remove (event_sources, source);
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}
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static GSourceFuncs wl_glib_source_funcs = {
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gdk_event_source_prepare,
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gdk_event_source_check,
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gdk_event_source_dispatch,
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gdk_event_source_finalize
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};
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void
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_gdk_wayland_display_deliver_event (GdkDisplay *display, GdkEvent *event)
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{
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GList *node;
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node = _gdk_event_queue_append (display, event);
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_gdk_windowing_got_event (display, node, event,
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_gdk_display_get_next_serial (display));
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}
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GSource *
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_gdk_wayland_display_event_source_new (GdkDisplay *display)
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{
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GSource *source;
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GdkWaylandEventSource *wl_source;
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GdkWaylandDisplay *display_wayland;
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char *name;
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source = g_source_new (&wl_glib_source_funcs,
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sizeof (GdkWaylandEventSource));
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name = g_strdup_printf ("GDK Wayland Event source (%s)", "display name");
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g_source_set_name (source, name);
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g_free (name);
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wl_source = (GdkWaylandEventSource *) source;
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display_wayland = GDK_WAYLAND_DISPLAY (display);
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wl_source->display = display;
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wl_source->pfd.fd = wl_display_get_fd(display_wayland->wl_display);
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wl_source->pfd.events = G_IO_IN | G_IO_ERR;
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g_source_add_poll(source, &wl_source->pfd);
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g_source_set_priority (source, GDK_PRIORITY_EVENTS);
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g_source_set_can_recurse (source, TRUE);
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g_source_attach (source, NULL);
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event_sources = g_list_prepend (event_sources, source);
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return source;
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}
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void
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_gdk_wayland_display_queue_events (GdkDisplay *display)
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{
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GdkWaylandDisplay *display_wayland;
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GdkWaylandEventSource *source;
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display_wayland = GDK_WAYLAND_DISPLAY (display);
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source = (GdkWaylandEventSource *) display_wayland->event_source;
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if (source->pfd.revents)
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{
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wl_display_dispatch(display_wayland->wl_display);
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source->pfd.revents = 0;
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}
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}
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