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gtk2/gdk/x11/gdksurface-x11.c
Carlos Garnacho f3250172a4 gdk/x11: Make XInput2 a mandatory build time dependency for x11 
XInput2 is more than a decade old already, and the input improvements
there (and in every other backend really) make it untenable to have
support for X11 core input events dragging things behind.
2019-05-15 01:05:20 +02:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-2007 Peter Mattis, Spencer Kimball,
* Josh MacDonald, Ryan Lortie
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include "gdksurface-x11.h"
#include "gdksurface.h"
#include "gdksurfaceimpl.h"
#include "gdkvisual-x11.h"
#include "gdkinternals.h"
#include "gdkdeviceprivate.h"
#include "gdkframeclockprivate.h"
#include "gdkasync.h"
#include "gdkeventsource.h"
#include "gdkdisplay-x11.h"
#include "gdkglcontext-x11.h"
#include "gdkprivate-x11.h"
#include "gdktextureprivate.h"
#include "gdk-private.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <netinet/in.h>
#include <unistd.h>
#include <cairo-xlib.h>
#include "MwmUtil.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/shape.h>
#ifdef HAVE_XKB
#include <X11/XKBlib.h>
#endif
#ifdef HAVE_XCOMPOSITE
#include <X11/extensions/Xcomposite.h>
#endif
#ifdef HAVE_XFIXES
#include <X11/extensions/Xfixes.h>
#endif
#ifdef HAVE_XDAMAGE
#include <X11/extensions/Xdamage.h>
#endif
const int _gdk_x11_event_mask_table[21] =
{
ExposureMask,
PointerMotionMask,
PointerMotionHintMask,
ButtonMotionMask,
Button1MotionMask,
Button2MotionMask,
Button3MotionMask,
ButtonPressMask,
ButtonReleaseMask,
KeyPressMask,
KeyReleaseMask,
EnterWindowMask,
LeaveWindowMask,
FocusChangeMask,
StructureNotifyMask,
PropertyChangeMask,
VisibilityChangeMask,
0, /* PROXIMITY_IN */
0, /* PROXIMTY_OUT */
SubstructureNotifyMask,
ButtonPressMask /* SCROLL; on X mouse wheel events is treated as mouse button 4/5 */
};
const gint _gdk_x11_event_mask_table_size = G_N_ELEMENTS (_gdk_x11_event_mask_table);
/* Forward declarations */
static void gdk_x11_surface_apply_fullscreen_mode (GdkSurface *surface);
static gboolean gdk_surface_icon_name_set (GdkSurface *surface);
static void set_wm_name (GdkDisplay *display,
Window xwindow,
const gchar *name);
static void move_to_current_desktop (GdkSurface *surface);
static void gdk_surface_impl_x11_finalize (GObject *object);
#define SURFACE_IS_TOPLEVEL(surface) \
(GDK_SURFACE_TYPE (surface) == GDK_SURFACE_TOPLEVEL || \
GDK_SURFACE_TYPE (surface) == GDK_SURFACE_TEMP)
/* Return whether time1 is considered later than time2 as far as xserver
* time is concerned. Accounts for wraparound.
*/
#define XSERVER_TIME_IS_LATER(time1, time2) \
( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
)
struct _GdkX11Surface {
GdkSurface parent;
};
struct _GdkX11SurfaceClass {
GdkSurfaceClass parent_class;
};
G_DEFINE_TYPE (GdkX11Surface, gdk_x11_surface, GDK_TYPE_SURFACE)
static void
gdk_x11_surface_class_init (GdkX11SurfaceClass *x11_surface_class)
{
}
static void
gdk_x11_surface_init (GdkX11Surface *x11_surface)
{
}
G_DEFINE_TYPE (GdkSurfaceImplX11, gdk_surface_impl_x11, GDK_TYPE_SURFACE_IMPL)
static void
gdk_surface_impl_x11_init (GdkSurfaceImplX11 *impl)
{
impl->surface_scale = 1;
impl->frame_sync_enabled = TRUE;
}
GdkToplevelX11 *
_gdk_x11_surface_get_toplevel (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl;
g_return_val_if_fail (GDK_IS_SURFACE (surface), NULL);
if (!SURFACE_IS_TOPLEVEL (surface))
return NULL;
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (!impl->toplevel)
{
impl->toplevel = g_new0 (GdkToplevelX11, 1);
impl->toplevel->have_focused = FALSE;
}
return impl->toplevel;
}
/**
* _gdk_x11_surface_update_size:
* @impl: a #GdkSurfaceImplX11.
*
* Updates the state of the surface (in particular the drawable's
* cairo surface) when its size has changed.
**/
void
_gdk_x11_surface_update_size (GdkSurfaceImplX11 *impl)
{
if (impl->cairo_surface)
{
cairo_xlib_surface_set_size (impl->cairo_surface,
impl->unscaled_width, impl->unscaled_height);
}
}
static void
gdk_x11_surface_get_unscaled_size (GdkSurface *surface,
int *unscaled_width,
int *unscaled_height)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (unscaled_width)
*unscaled_width = impl->unscaled_width;
if (unscaled_height)
*unscaled_height = impl->unscaled_height;
}
static gboolean
gdk_x11_surface_supports_edge_constraints (GdkSurface *surface)
{
return gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_GTK_EDGE_CONSTRAINTS"));
}
static void
set_sync_counter(Display *display,
XSyncCounter counter,
gint64 value)
{
XSyncValue sync_value;
XSyncIntsToValue (&sync_value,
value & G_GINT64_CONSTANT(0xFFFFFFFF),
value >> 32);
XSyncSetCounter (display, counter, sync_value);
}
void
gdk_x11_surface_pre_damage (GdkSurface *surface)
{
GdkSurface *toplevel_surface = gdk_surface_get_toplevel (surface);
GdkSurfaceImplX11 *impl;
if (!toplevel_surface || !SURFACE_IS_TOPLEVEL (toplevel_surface))
return;
impl = GDK_SURFACE_IMPL_X11 (toplevel_surface->impl);
if (impl->toplevel->in_frame &&
impl->toplevel->current_counter_value % 2 == 0)
{
impl->toplevel->current_counter_value += 1;
set_sync_counter (GDK_SURFACE_XDISPLAY (impl->wrapper),
impl->toplevel->extended_update_counter,
impl->toplevel->current_counter_value);
}
}
static void
on_surface_changed (void *data)
{
GdkSurface *surface = data;
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (impl->tracking_damage)
gdk_x11_surface_pre_damage (surface);
}
/* We want to know when cairo drawing causes damage to the window,
* so we engage in the _NET_WM_FRAME_DRAWN protocol with the
* window only when there actually is drawing. To do that we use
* a technique (hack) suggested by Uli Schlachter - if we set
* a dummy "mime data" on the cairo surface (this facility is
* used to attach JPEG data to an imager), then cairo wil flush
* and remove the mime data before making any changes to the window.
*/
static void
hook_surface_changed (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (impl->cairo_surface)
{
cairo_surface_set_mime_data (impl->cairo_surface,
"x-gdk/change-notify",
(unsigned char *)"X",
1,
on_surface_changed,
surface);
impl->tracking_damage = 1;
}
}
static void
unhook_surface_changed (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (impl->cairo_surface)
{
impl->tracking_damage = 0;
cairo_surface_set_mime_data (impl->cairo_surface,
"x-gdk/change-notify",
NULL, 0,
NULL, NULL);
}
}
static void
gdk_x11_surface_predict_presentation_time (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
GdkFrameClock *clock;
GdkFrameTimings *timings;
gint64 presentation_time;
gint64 refresh_interval;
if (!SURFACE_IS_TOPLEVEL (surface))
return;
clock = gdk_surface_get_frame_clock (surface);
timings = gdk_frame_clock_get_current_timings (clock);
gdk_frame_clock_get_refresh_info (clock,
timings->frame_time,
&refresh_interval, &presentation_time);
if (presentation_time != 0)
{
if (timings->slept_before)
{
presentation_time += refresh_interval;
}
else
{
if (presentation_time < timings->frame_time + refresh_interval / 2)
presentation_time += refresh_interval;
}
}
else
{
if (timings->slept_before)
presentation_time = timings->frame_time + refresh_interval + refresh_interval / 2;
else
presentation_time = timings->frame_time + refresh_interval;
}
if (presentation_time < impl->toplevel->throttled_presentation_time)
presentation_time = impl->toplevel->throttled_presentation_time;
timings->predicted_presentation_time = presentation_time;
}
static void
gdk_x11_surface_begin_frame (GdkSurface *surface,
gboolean force_frame)
{
GdkSurfaceImplX11 *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (!SURFACE_IS_TOPLEVEL (surface) ||
impl->toplevel->extended_update_counter == None)
return;
impl->toplevel->in_frame = TRUE;
if (impl->toplevel->configure_counter_value != 0 &&
impl->toplevel->configure_counter_value_is_extended)
{
impl->toplevel->current_counter_value = impl->toplevel->configure_counter_value;
if ((impl->toplevel->current_counter_value % 2) == 1)
impl->toplevel->current_counter_value += 1;
impl->toplevel->configure_counter_value = 0;
gdk_x11_surface_pre_damage (surface);
}
else if (force_frame)
{
/* When mapping the surface, we really want to freeze the
rendering of the surface by the compositor until we've
actually painted something into the surface's buffer. */
gdk_x11_surface_pre_damage (surface);
}
else
{
hook_surface_changed (surface);
}
}
static void
gdk_x11_surface_end_frame (GdkSurface *surface)
{
GdkFrameClock *clock;
GdkFrameTimings *timings;
GdkSurfaceImplX11 *impl;
g_return_if_fail (GDK_IS_SURFACE (surface));
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (!SURFACE_IS_TOPLEVEL (surface) ||
impl->toplevel->extended_update_counter == None ||
!impl->toplevel->in_frame)
return;
clock = gdk_surface_get_frame_clock (surface);
timings = gdk_frame_clock_get_current_timings (clock);
/* Make sure we request timing updates even if nothing was damaged.
* We want the frame clock to be accurate. */
gdk_x11_surface_pre_damage (surface);
impl->toplevel->in_frame = FALSE;
if (impl->toplevel->current_counter_value % 2 == 1)
{
if (GDK_DISPLAY_DEBUG_CHECK (gdk_surface_get_display (surface), FRAMES))
{
XImage *image = XGetImage (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
0, 0, 1, 1,
(1 << 24) - 1,
ZPixmap);
XDestroyImage (image);
}
/* An increment of 3 means that the frame was not drawn as fast as possible,
* but rather at a particular time. This can trigger different handling from
* the compositor.
*/
if (timings->slept_before)
impl->toplevel->current_counter_value += 3;
else
impl->toplevel->current_counter_value += 1;
set_sync_counter(GDK_SURFACE_XDISPLAY (impl->wrapper),
impl->toplevel->extended_update_counter,
impl->toplevel->current_counter_value);
if (impl->frame_sync_enabled &&
gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_WM_FRAME_DRAWN")))
{
impl->toplevel->frame_pending = TRUE;
_gdk_frame_clock_freeze (gdk_surface_get_frame_clock (surface));
timings->cookie = impl->toplevel->current_counter_value;
}
}
unhook_surface_changed (surface);
if (impl->toplevel->configure_counter_value != 0 &&
!impl->toplevel->configure_counter_value_is_extended)
{
set_sync_counter (GDK_SURFACE_XDISPLAY (surface),
impl->toplevel->update_counter,
impl->toplevel->configure_counter_value);
impl->toplevel->configure_counter_value = 0;
}
if (!impl->toplevel->frame_pending)
timings->complete = TRUE;
}
/*****************************************************
* X11 specific implementations of generic functions *
*****************************************************/
static void
gdk_surface_impl_x11_finalize (GObject *object)
{
GdkSurface *wrapper;
GdkSurfaceImplX11 *impl;
g_return_if_fail (GDK_IS_SURFACE_IMPL_X11 (object));
impl = GDK_SURFACE_IMPL_X11 (object);
wrapper = impl->wrapper;
if (SURFACE_IS_TOPLEVEL (wrapper) && impl->toplevel->in_frame)
unhook_surface_changed (wrapper);
_gdk_x11_surface_grab_check_destroy (wrapper);
if (!GDK_SURFACE_DESTROYED (wrapper))
{
GdkDisplay *display = GDK_SURFACE_DISPLAY (wrapper);
_gdk_x11_display_remove_window (display, impl->xid);
if (impl->toplevel && impl->toplevel->focus_window)
_gdk_x11_display_remove_window (display, impl->toplevel->focus_window);
}
g_free (impl->toplevel);
if (impl->cursor)
g_object_unref (impl->cursor);
G_OBJECT_CLASS (gdk_surface_impl_x11_parent_class)->finalize (object);
}
typedef struct {
GdkDisplay *display;
Pixmap pixmap;
} FreePixmapData;
static void
free_pixmap (gpointer datap)
{
FreePixmapData *data = datap;
if (!gdk_display_is_closed (data->display))
{
XFreePixmap (GDK_DISPLAY_XDISPLAY (data->display),
data->pixmap);
}
g_object_unref (data->display);
g_slice_free (FreePixmapData, data);
}
static void
attach_free_pixmap_handler (cairo_surface_t *surface,
GdkDisplay *display,
Pixmap pixmap)
{
static const cairo_user_data_key_t key;
FreePixmapData *data;
data = g_slice_new (FreePixmapData);
data->display = g_object_ref (display);
data->pixmap = pixmap;
cairo_surface_set_user_data (surface, &key, data, free_pixmap);
}
/* Cairo does not guarantee we get an xlib surface if we call
* cairo_surface_create_similar(). In some cases however, we must use a
* pixmap or bitmap in the X11 API.
* These functions ensure an Xlib surface.
*/
cairo_surface_t *
_gdk_x11_display_create_bitmap_surface (GdkDisplay *display,
int width,
int height)
{
cairo_surface_t *surface;
Pixmap pixmap;
pixmap = XCreatePixmap (GDK_DISPLAY_XDISPLAY (display),
GDK_SCREEN_XROOTWIN (GDK_X11_DISPLAY (display)->screen),
width, height, 1);
surface = cairo_xlib_surface_create_for_bitmap (GDK_DISPLAY_XDISPLAY (display),
pixmap,
GDK_X11_SCREEN (GDK_X11_DISPLAY (display)->screen)->xscreen,
width, height);
attach_free_pixmap_handler (surface, display, pixmap);
return surface;
}
/* Create a surface backed with a pixmap without alpha on the same screen as surface */
static cairo_surface_t *
gdk_x11_surface_create_pixmap_surface (GdkSurface *surface,
int width,
int height)
{
GdkDisplay *display;
Display *dpy;
cairo_surface_t *cairo_surface;
Pixmap pixmap;
display = gdk_surface_get_display (surface);
dpy = GDK_DISPLAY_XDISPLAY (display);
pixmap = XCreatePixmap (dpy,
GDK_SURFACE_XID (surface),
width, height,
DefaultDepth (dpy, DefaultScreen (dpy)));
cairo_surface = cairo_xlib_surface_create (dpy,
pixmap,
DefaultVisual (dpy, DefaultScreen (dpy)),
width, height);
attach_free_pixmap_handler (cairo_surface, display, pixmap);
return cairo_surface;
}
static void
set_wm_protocols (GdkSurface *surface)
{
GdkDisplay *display = gdk_surface_get_display (surface);
Atom protocols[4];
int n = 0;
protocols[n++] = gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW");
protocols[n++] = gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS");
protocols[n++] = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING");
#ifdef HAVE_XSYNC
if (GDK_X11_DISPLAY (display)->use_sync)
protocols[n++] = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_SYNC_REQUEST");
#endif
XSetWMProtocols (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface), protocols, n);
}
static const gchar *
get_default_title (void)
{
const char *title;
title = g_get_application_name ();
if (!title)
title = g_get_prgname ();
if (!title)
title = "";
return title;
}
static void
check_leader_window_title (GdkDisplay *display)
{
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
if (display_x11->leader_window && !display_x11->leader_window_title_set)
{
set_wm_name (display,
display_x11->leader_window,
get_default_title ());
display_x11->leader_window_title_set = TRUE;
}
}
static Window
create_focus_window (GdkDisplay *display,
XID parent)
{
GdkX11Display *display_x11;
GdkEventMask event_mask;
Display *xdisplay;
Window focus_window;
XSetWindowAttributes attrs;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
display_x11 = GDK_X11_DISPLAY (display);
focus_window = XCreateWindow (xdisplay, parent,
-1, -1, 1, 1, 0,
0, /* depth */
InputOnly,
CopyFromParent,
0, &attrs);
event_mask = (GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_FOCUS_CHANGE_MASK);
gdk_x11_event_source_select_events ((GdkEventSource *) display_x11->event_source,
focus_window,
event_mask, 0);
XMapWindow (xdisplay, focus_window);
return focus_window;
}
static void
ensure_sync_counter (GdkSurface *surface)
{
#ifdef HAVE_XSYNC
if (!GDK_SURFACE_DESTROYED (surface))
{
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
GdkToplevelX11 *toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel &&
toplevel->update_counter == None &&
GDK_X11_DISPLAY (display)->use_sync)
{
Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
XSyncValue value;
Atom atom;
XID counters[2];
XSyncIntToValue (&value, 0);
toplevel->update_counter = XSyncCreateCounter (xdisplay, value);
toplevel->extended_update_counter = XSyncCreateCounter (xdisplay, value);
atom = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_SYNC_REQUEST_COUNTER");
counters[0] = toplevel->update_counter;
counters[1] = toplevel->extended_update_counter;
XChangeProperty (xdisplay, GDK_SURFACE_XID (surface),
atom, XA_CARDINAL,
32, PropModeReplace,
(guchar *)counters, 2);
toplevel->current_counter_value = 0;
}
}
#endif
}
static void
setup_toplevel_window (GdkSurface *surface,
GdkX11Screen *x11_screen)
{
GdkToplevelX11 *toplevel = _gdk_x11_surface_get_toplevel (surface);
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
GdkDisplay *display = gdk_surface_get_display (surface);
Display *xdisplay = GDK_SURFACE_XDISPLAY (surface);
XID xid = GDK_SURFACE_XID (surface);
XSizeHints size_hints;
Window leader_window;
set_wm_protocols (surface);
if (!surface->input_only)
{
/* The focus surface is off the visible area, and serves to receive key
* press events so they don't get sent to child surfaces.
*/
toplevel->focus_window = create_focus_window (display, xid);
_gdk_x11_display_add_window (x11_screen->display,
&toplevel->focus_window,
surface);
}
check_leader_window_title (x11_screen->display);
/* FIXME: Is there any point in doing this? Do any WM's pay
* attention to PSize, and even if they do, is this the
* correct value???
*/
size_hints.flags = PSize;
size_hints.width = surface->width * impl->surface_scale;
size_hints.height = surface->height * impl->surface_scale;
XSetWMNormalHints (xdisplay, xid, &size_hints);
/* This will set WM_CLIENT_MACHINE and WM_LOCALE_NAME */
XSetWMProperties (xdisplay, xid, NULL, NULL, NULL, 0, NULL, NULL, NULL);
if (!gdk_running_in_sandbox ())
{
/* if sandboxed, we're likely in a pid namespace and would only confuse the wm with this */
long pid = getpid ();
XChangeProperty (xdisplay, xid,
gdk_x11_get_xatom_by_name_for_display (x11_screen->display, "_NET_WM_PID"),
XA_CARDINAL, 32,
PropModeReplace,
(guchar *)&pid, 1);
}
leader_window = GDK_X11_DISPLAY (x11_screen->display)->leader_window;
if (!leader_window)
leader_window = xid;
XChangeProperty (xdisplay, xid,
gdk_x11_get_xatom_by_name_for_display (x11_screen->display, "WM_CLIENT_LEADER"),
XA_WINDOW, 32, PropModeReplace,
(guchar *) &leader_window, 1);
if (toplevel->focus_window != None)
XChangeProperty (xdisplay, xid,
gdk_x11_get_xatom_by_name_for_display (x11_screen->display, "_NET_WM_USER_TIME_WINDOW"),
XA_WINDOW, 32, PropModeReplace,
(guchar *) &toplevel->focus_window, 1);
if (!surface->focus_on_map)
gdk_x11_surface_set_user_time (surface, 0);
else if (GDK_X11_DISPLAY (x11_screen->display)->user_time != 0)
gdk_x11_surface_set_user_time (surface, GDK_X11_DISPLAY (x11_screen->display)->user_time);
ensure_sync_counter (surface);
/* Start off in a frozen state - we'll finish this when we first paint */
gdk_x11_surface_begin_frame (surface, TRUE);
}
static void
on_frame_clock_before_paint (GdkFrameClock *clock,
GdkSurface *surface)
{
gdk_x11_surface_predict_presentation_time (surface);
gdk_x11_surface_begin_frame (surface, FALSE);
}
static void
on_frame_clock_after_paint (GdkFrameClock *clock,
GdkSurface *surface)
{
gdk_x11_surface_end_frame (surface);
}
static void
connect_frame_clock (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl;
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (SURFACE_IS_TOPLEVEL (surface) && !impl->frame_clock_connected)
{
GdkFrameClock *frame_clock = gdk_surface_get_frame_clock (surface);
g_signal_connect (frame_clock, "before-paint",
G_CALLBACK (on_frame_clock_before_paint), surface);
g_signal_connect (frame_clock, "after-paint",
G_CALLBACK (on_frame_clock_after_paint), surface);
impl->frame_clock_connected = TRUE;
}
}
void
_gdk_x11_display_create_surface_impl (GdkDisplay *display,
GdkSurface *surface,
GdkSurface *real_parent,
GdkSurfaceAttr *attributes)
{
GdkSurfaceImplX11 *impl;
GdkX11Screen *x11_screen;
GdkX11Display *display_x11;
Window xparent;
Visual *xvisual;
Display *xdisplay;
XSetWindowAttributes xattributes;
long xattributes_mask;
XClassHint *class_hint;
unsigned int class;
int depth;
int abs_x;
int abs_y;
display_x11 = GDK_X11_DISPLAY (display);
x11_screen = GDK_X11_SCREEN (display_x11->screen);
if (real_parent)
xparent = GDK_SURFACE_XID (real_parent);
else
xparent = GDK_SCREEN_XROOTWIN (x11_screen);
impl = g_object_new (GDK_TYPE_SURFACE_IMPL_X11, NULL);
surface->impl = GDK_SURFACE_IMPL (impl);
impl->wrapper = GDK_SURFACE (surface);
impl->surface_scale = x11_screen->surface_scale;
xdisplay = x11_screen->xdisplay;
xattributes_mask = 0;
xvisual = gdk_x11_display_get_window_visual (display_x11);
impl->override_redirect = FALSE;
/* Sanity checks */
switch (surface->surface_type)
{
case GDK_SURFACE_TOPLEVEL:
case GDK_SURFACE_TEMP:
if (surface->parent)
{
/* The common code warns for this case */
xparent = GDK_SCREEN_XROOTWIN (x11_screen);
}
break;
case GDK_SURFACE_CHILD:
default:
g_assert_not_reached ();
break;
}
if (!surface->input_only)
{
class = InputOutput;
xattributes.background_pixmap = None;
xattributes_mask |= CWBackPixmap;
xattributes.border_pixel = BlackPixel (xdisplay, x11_screen->screen_num);
xattributes_mask |= CWBorderPixel;
xattributes.bit_gravity = NorthWestGravity;
xattributes_mask |= CWBitGravity;
xattributes.colormap = gdk_x11_display_get_window_colormap (display_x11);
xattributes_mask |= CWColormap;
if (surface->surface_type == GDK_SURFACE_TEMP)
{
xattributes.save_under = True;
xattributes.override_redirect = True;
xattributes.cursor = None;
xattributes_mask |= CWSaveUnder | CWOverrideRedirect;
impl->override_redirect = TRUE;
}
depth = gdk_x11_display_get_window_depth (display_x11);
}
else
{
class = InputOnly;
if (surface->surface_type == GDK_SURFACE_TEMP)
{
xattributes.override_redirect = True;
xattributes_mask |= CWOverrideRedirect;
impl->override_redirect = TRUE;
}
depth = 0;
}
if (surface->width * impl->surface_scale > 32767 ||
surface->height * impl->surface_scale > 32767)
{
g_warning ("Native Windows wider or taller than 32767 pixels are not supported");
if (surface->width * impl->surface_scale > 32767)
surface->width = 32767 / impl->surface_scale;
if (surface->height * impl->surface_scale > 32767)
surface->height = 32767 / impl->surface_scale;
}
impl->unscaled_width = surface->width * impl->surface_scale;
impl->unscaled_height = surface->height * impl->surface_scale;
if (surface->parent)
{
abs_x = surface->parent->abs_x;
abs_y = surface->parent->abs_y;
}
else
{
abs_x = 0;
abs_y = 0;
}
impl->xid = XCreateWindow (xdisplay, xparent,
(surface->x + abs_x) * impl->surface_scale,
(surface->y + abs_y) * impl->surface_scale,
surface->width * impl->surface_scale, surface->height * impl->surface_scale,
0, depth, class, xvisual,
xattributes_mask, &xattributes);
g_object_ref (surface);
_gdk_x11_display_add_window (x11_screen->display, &impl->xid, surface);
switch (GDK_SURFACE_TYPE (surface))
{
case GDK_SURFACE_TOPLEVEL:
case GDK_SURFACE_TEMP:
gdk_surface_set_title (surface, get_default_title ());
class_hint = XAllocClassHint ();
class_hint->res_name = (char *) g_get_prgname ();
class_hint->res_class = (char *) display_x11->program_class;
XSetClassHint (xdisplay, impl->xid, class_hint);
XFree (class_hint);
setup_toplevel_window (surface, x11_screen);
break;
case GDK_SURFACE_CHILD:
default:
break;
}
gdk_x11_event_source_select_events ((GdkEventSource *) display_x11->event_source,
GDK_SURFACE_XID (surface), GDK_ALL_EVENTS_MASK,
StructureNotifyMask | PropertyChangeMask);
connect_frame_clock (surface);
gdk_surface_freeze_toplevel_updates (surface);
}
static void
gdk_toplevel_x11_free_contents (GdkDisplay *display,
GdkToplevelX11 *toplevel)
{
if (toplevel->icon_pixmap)
{
cairo_surface_destroy (toplevel->icon_pixmap);
toplevel->icon_pixmap = NULL;
}
if (toplevel->icon_mask)
{
cairo_surface_destroy (toplevel->icon_mask);
toplevel->icon_mask = NULL;
}
if (toplevel->group_leader)
{
g_object_unref (toplevel->group_leader);
toplevel->group_leader = NULL;
}
#ifdef HAVE_XSYNC
if (toplevel->update_counter != None)
{
XSyncDestroyCounter (GDK_DISPLAY_XDISPLAY (display),
toplevel->update_counter);
XSyncDestroyCounter (GDK_DISPLAY_XDISPLAY (display),
toplevel->extended_update_counter);
toplevel->update_counter = None;
toplevel->extended_update_counter = None;
toplevel->current_counter_value = 0;
}
#endif
}
static void
gdk_x11_surface_destroy (GdkSurface *surface,
gboolean recursing,
gboolean foreign_destroy)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_SURFACE (surface));
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel)
gdk_toplevel_x11_free_contents (GDK_SURFACE_DISPLAY (surface), toplevel);
unhook_surface_changed (surface);
if (impl->cairo_surface)
{
cairo_surface_finish (impl->cairo_surface);
cairo_surface_destroy (impl->cairo_surface);
impl->cairo_surface = NULL;
}
if (!recursing && !foreign_destroy)
XDestroyWindow (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XID (surface));
}
/* This function is called when the XWindow is really gone.
*/
static void
gdk_x11_surface_destroy_notify (GdkSurface *surface)
{
GdkSurfaceImplX11 *surface_impl;
surface_impl = GDK_SURFACE_IMPL_X11 ((surface)->impl);
if (!GDK_SURFACE_DESTROYED (surface))
{
g_warning ("GdkSurface %#lx unexpectedly destroyed", GDK_SURFACE_XID (surface));
_gdk_surface_destroy (surface, TRUE);
}
_gdk_x11_display_remove_window (GDK_SURFACE_DISPLAY (surface), GDK_SURFACE_XID (surface));
if (surface_impl->toplevel && surface_impl->toplevel->focus_window)
_gdk_x11_display_remove_window (GDK_SURFACE_DISPLAY (surface), surface_impl->toplevel->focus_window);
_gdk_x11_surface_grab_check_destroy (surface);
g_object_unref (surface);
}
static void
update_wm_hints (GdkSurface *surface,
gboolean force)
{
GdkToplevelX11 *toplevel = _gdk_x11_surface_get_toplevel (surface);
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
XWMHints wm_hints;
if (!force &&
!toplevel->is_leader &&
surface->state & GDK_SURFACE_STATE_WITHDRAWN)
return;
wm_hints.flags = StateHint | InputHint;
wm_hints.input = surface->accept_focus ? True : False;
wm_hints.initial_state = NormalState;
if (surface->state & GDK_SURFACE_STATE_ICONIFIED)
{
wm_hints.flags |= StateHint;
wm_hints.initial_state = IconicState;
}
if (toplevel->icon_pixmap)
{
wm_hints.flags |= IconPixmapHint;
wm_hints.icon_pixmap = cairo_xlib_surface_get_drawable (toplevel->icon_pixmap);
}
if (toplevel->icon_mask)
{
wm_hints.flags |= IconMaskHint;
wm_hints.icon_mask = cairo_xlib_surface_get_drawable (toplevel->icon_mask);
}
wm_hints.flags |= WindowGroupHint;
if (toplevel->group_leader && !GDK_SURFACE_DESTROYED (toplevel->group_leader))
{
wm_hints.flags |= WindowGroupHint;
wm_hints.window_group = GDK_SURFACE_XID (toplevel->group_leader);
}
else
wm_hints.window_group = GDK_X11_DISPLAY (display)->leader_window;
if (toplevel->urgency_hint)
wm_hints.flags |= XUrgencyHint;
XSetWMHints (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
&wm_hints);
}
static void
set_initial_hints (GdkSurface *surface)
{
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
Window xwindow = GDK_SURFACE_XID (surface);
GdkToplevelX11 *toplevel;
Atom atoms[9];
gint i;
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (!toplevel)
return;
update_wm_hints (surface, TRUE);
/* We set the spec hints regardless of whether the spec is supported,
* since it can't hurt and it's kind of expensive to check whether
* it's supported.
*/
i = 0;
if (surface->state & GDK_SURFACE_STATE_MAXIMIZED)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_MAXIMIZED_VERT");
++i;
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_MAXIMIZED_HORZ");
++i;
toplevel->have_maxhorz = toplevel->have_maxvert = TRUE;
}
if (surface->state & GDK_SURFACE_STATE_ABOVE)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_ABOVE");
++i;
}
if (surface->state & GDK_SURFACE_STATE_BELOW)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_BELOW");
++i;
}
if (surface->state & GDK_SURFACE_STATE_STICKY)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_STICKY");
++i;
toplevel->have_sticky = TRUE;
}
if (surface->state & GDK_SURFACE_STATE_FULLSCREEN)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_FULLSCREEN");
++i;
toplevel->have_fullscreen = TRUE;
}
if (surface->modal_hint)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_MODAL");
++i;
}
if (toplevel->skip_taskbar_hint)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_SKIP_TASKBAR");
++i;
}
if (toplevel->skip_pager_hint)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_SKIP_PAGER");
++i;
}
if (surface->state & GDK_SURFACE_STATE_ICONIFIED)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_HIDDEN");
++i;
toplevel->have_hidden = TRUE;
}
if (i > 0)
{
XChangeProperty (xdisplay,
xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"),
XA_ATOM, 32, PropModeReplace,
(guchar*) atoms, i);
}
else
{
XDeleteProperty (xdisplay,
xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE"));
}
if (surface->state & GDK_SURFACE_STATE_STICKY)
{
atoms[0] = 0xFFFFFFFF;
XChangeProperty (xdisplay,
xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"),
XA_CARDINAL, 32, PropModeReplace,
(guchar*) atoms, 1);
toplevel->on_all_desktops = TRUE;
}
else
{
XDeleteProperty (xdisplay,
xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP"));
}
toplevel->map_serial = NextRequest (xdisplay);
}
static void
gdk_surface_x11_show (GdkSurface *surface, gboolean already_mapped)
{
GdkDisplay *display;
GdkX11Display *display_x11;
GdkToplevelX11 *toplevel;
Display *xdisplay = GDK_SURFACE_XDISPLAY (surface);
Window xwindow = GDK_SURFACE_XID (surface);
if (!already_mapped)
set_initial_hints (surface);
if (SURFACE_IS_TOPLEVEL (surface))
{
display = gdk_surface_get_display (surface);
display_x11 = GDK_X11_DISPLAY (display);
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel->user_time != 0 &&
display_x11->user_time != 0 &&
XSERVER_TIME_IS_LATER (display_x11->user_time, toplevel->user_time))
gdk_x11_surface_set_user_time (surface, display_x11->user_time);
}
XMapWindow (xdisplay, xwindow);
/* Fullscreen on current monitor is the default, no need to apply this mode
* when mapping a window. This also ensures that the default behavior remains
* consistent with pre-fullscreen mode implementation.
*/
if (surface->fullscreen_mode != GDK_FULLSCREEN_ON_CURRENT_MONITOR)
gdk_x11_surface_apply_fullscreen_mode (surface);
}
static void
gdk_surface_x11_withdraw (GdkSurface *surface)
{
if (!surface->destroyed)
{
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_synthesize_surface_state (surface,
0,
GDK_SURFACE_STATE_WITHDRAWN);
g_assert (!GDK_SURFACE_IS_MAPPED (surface));
XWithdrawWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface), 0);
}
}
static void
gdk_surface_x11_hide (GdkSurface *surface)
{
/* We'll get the unmap notify eventually, and handle it then,
* but checking here makes things more consistent if we are
* just doing stuff ourself.
*/
_gdk_x11_surface_grab_check_unmap (surface,
NextRequest (GDK_SURFACE_XDISPLAY (surface)));
/* You can't simply unmap toplevel surfaces. */
switch (surface->surface_type)
{
case GDK_SURFACE_TOPLEVEL:
case GDK_SURFACE_TEMP: /* ? */
gdk_surface_x11_withdraw (surface);
return;
case GDK_SURFACE_CHILD:
default:
break;
}
_gdk_surface_clear_update_area (surface);
XUnmapWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface));
}
static inline void
surface_x11_move (GdkSurface *surface,
gint x,
gint y)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
XMoveWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
x * impl->surface_scale, y * impl->surface_scale);
if (impl->override_redirect)
{
surface->x = x;
surface->y = y;
}
}
static inline void
surface_x11_resize (GdkSurface *surface,
gint width,
gint height)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (width < 1)
width = 1;
if (height < 1)
height = 1;
gdk_x11_surface_pre_damage (surface);
XResizeWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
width * impl->surface_scale, height * impl->surface_scale);
if (impl->override_redirect)
{
impl->unscaled_width = width * impl->surface_scale;
impl->unscaled_height = height * impl->surface_scale;
surface->width = width;
surface->height = height;
_gdk_x11_surface_update_size (GDK_SURFACE_IMPL_X11 (surface->impl));
}
else
{
if (width * impl->surface_scale != impl->unscaled_width || height * impl->surface_scale != impl->unscaled_height)
surface->resize_count += 1;
}
}
static inline void
surface_x11_move_resize (GdkSurface *surface,
gint x,
gint y,
gint width,
gint height)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (width < 1)
width = 1;
if (height < 1)
height = 1;
gdk_x11_surface_pre_damage (surface);
XMoveResizeWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
x * impl->surface_scale, y * impl->surface_scale,
width * impl->surface_scale, height * impl->surface_scale);
if (impl->override_redirect)
{
surface->x = x;
surface->y = y;
impl->unscaled_width = width * impl->surface_scale;
impl->unscaled_height = height * impl->surface_scale;
surface->width = width;
surface->height = height;
_gdk_x11_surface_update_size (GDK_SURFACE_IMPL_X11 (surface->impl));
}
else
{
if (width * impl->surface_scale != impl->unscaled_width || height * impl->surface_scale != impl->unscaled_height)
surface->resize_count += 1;
}
}
static void
gdk_surface_x11_move_resize (GdkSurface *surface,
gboolean with_move,
gint x,
gint y,
gint width,
gint height)
{
if (with_move && (width < 0 && height < 0))
surface_x11_move (surface, x, y);
else
{
if (with_move)
surface_x11_move_resize (surface, x, y, width, height);
else
surface_x11_resize (surface, width, height);
}
}
void
_gdk_x11_surface_set_surface_scale (GdkSurface *surface,
int scale)
{
GdkSurfaceImplX11 *impl;
GdkToplevelX11 *toplevel;
GdkSurfaceHints geom_mask;
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
impl->surface_scale = scale;
if (impl->cairo_surface)
cairo_surface_set_device_scale (impl->cairo_surface, impl->surface_scale, impl->surface_scale);
_gdk_surface_update_size (surface);
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel)
{
/* These are affected by surface scale: */
geom_mask = toplevel->last_geometry_hints_mask &
(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE | GDK_HINT_BASE_SIZE | GDK_HINT_RESIZE_INC);
if (geom_mask)
gdk_surface_set_geometry_hints (surface,
&toplevel->last_geometry_hints,
geom_mask);
}
if (impl->override_redirect)
{
impl->unscaled_width = surface->width * impl->surface_scale;
impl->unscaled_height = surface->height * impl->surface_scale;
}
XResizeWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
surface->width * impl->surface_scale,
surface->height * impl->surface_scale);
gdk_surface_invalidate_rect (surface, NULL);
}
static void
gdk_surface_x11_raise (GdkSurface *surface)
{
XRaiseWindow (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XID (surface));
}
static void
gdk_surface_x11_restack_toplevel (GdkSurface *surface,
GdkSurface *sibling,
gboolean above)
{
XWindowChanges changes;
changes.sibling = GDK_SURFACE_XID (sibling);
changes.stack_mode = above ? Above : Below;
XReconfigureWMWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
gdk_x11_screen_get_screen_number (GDK_SURFACE_SCREEN (surface)),
CWStackMode | CWSibling, &changes);
}
static void
gdk_surface_x11_lower (GdkSurface *surface)
{
XLowerWindow (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XID (surface));
}
/**
* gdk_x11_surface_move_to_current_desktop:
* @surface: (type GdkX11Surface): a #GdkSurface
*
* Moves the surface to the correct workspace when running under a
* window manager that supports multiple workspaces, as described
* in the [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec) specification.
* Will not do anything if the surface is already on all workspaces.
*/
void
gdk_x11_surface_move_to_current_desktop (GdkSurface *surface)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_SURFACE (surface));
g_return_if_fail (GDK_SURFACE_TYPE (surface) != GDK_SURFACE_CHILD);
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel->on_all_desktops)
return;
move_to_current_desktop (surface);
}
static void
move_to_current_desktop (GdkSurface *surface)
{
guint32 desktop;
desktop = gdk_x11_screen_get_current_desktop (GDK_SURFACE_SCREEN (surface));
gdk_x11_surface_move_to_desktop (surface, desktop);
}
static guint32
get_netwm_cardinal_property (GdkSurface *surface,
const gchar *name)
{
GdkX11Screen *x11_screen = GDK_SURFACE_SCREEN (surface);
GdkAtom atom;
guint32 prop = 0;
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
guchar *data;
atom = g_intern_static_string (name);
if (!gdk_x11_screen_supports_net_wm_hint (x11_screen, atom))
return 0;
XGetWindowProperty (x11_screen->xdisplay,
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (GDK_SURFACE_DISPLAY (surface), name),
0, G_MAXLONG,
False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, &data);
if (type == XA_CARDINAL)
{
prop = *(gulong *)data;
XFree (data);
}
return prop;
}
/**
* gdk_x11_surface_get_desktop:
* @surface: (type GdkX11Surface): a #GdkSurface
*
* Gets the number of the workspace @surface is on.
*
* Returns: the current workspace of @surface
*/
guint32
gdk_x11_surface_get_desktop (GdkSurface *surface)
{
g_return_val_if_fail (GDK_IS_SURFACE (surface), 0);
return get_netwm_cardinal_property (surface, "_NET_WM_DESKTOP");
}
/**
* gdk_x11_surface_move_to_desktop:
* @surface: (type GdkX11Surface): a #GdkSurface
* @desktop: the number of the workspace to move the surface to
*
* Moves the surface to the given workspace when running unde a
* window manager that supports multiple workspaces, as described
* in the [Extended Window Manager Hints](http://www.freedesktop.org/Standards/wm-spec) specification.
*/
void
gdk_x11_surface_move_to_desktop (GdkSurface *surface,
guint32 desktop)
{
GdkAtom atom;
XClientMessageEvent xclient;
g_return_if_fail (GDK_IS_SURFACE (surface));
atom = g_intern_static_string ("_NET_WM_DESKTOP");
if (!gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface), atom))
return;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.serial = 0;
xclient.send_event = True;
xclient.window = GDK_SURFACE_XID (surface);
xclient.message_type = gdk_x11_atom_to_xatom_for_display (GDK_SURFACE_DISPLAY (surface), atom);
xclient.format = 32;
xclient.data.l[0] = desktop;
xclient.data.l[1] = 1; /* source indication */
xclient.data.l[2] = 0;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XROOTWIN (surface),
False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
static void
gdk_x11_surface_focus (GdkSurface *surface,
guint32 timestamp)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = GDK_SURFACE_DISPLAY (surface);
if (gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_ACTIVE_WINDOW")))
{
XClientMessageEvent xclient;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_ACTIVE_WINDOW");
xclient.format = 32;
xclient.data.l[0] = 1; /* requestor type; we're an app */
xclient.data.l[1] = timestamp;
xclient.data.l[2] = None; /* currently active window */
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
else
{
XRaiseWindow (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface));
/* There is no way of knowing reliably whether we are viewable;
* so trap errors asynchronously around the XSetInputFocus call
*/
gdk_x11_display_error_trap_push (display);
XSetInputFocus (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
RevertToParent,
timestamp);
gdk_x11_display_error_trap_pop_ignored (display);
}
}
static void
gdk_x11_surface_set_type_hint (GdkSurface *surface,
GdkSurfaceTypeHint hint)
{
GdkDisplay *display;
Atom atom;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
switch (hint)
{
case GDK_SURFACE_TYPE_HINT_DIALOG:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG");
break;
case GDK_SURFACE_TYPE_HINT_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU");
break;
case GDK_SURFACE_TYPE_HINT_TOOLBAR:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR");
break;
case GDK_SURFACE_TYPE_HINT_UTILITY:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY");
break;
case GDK_SURFACE_TYPE_HINT_SPLASHSCREEN:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH");
break;
case GDK_SURFACE_TYPE_HINT_DOCK:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK");
break;
case GDK_SURFACE_TYPE_HINT_DESKTOP:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP");
break;
case GDK_SURFACE_TYPE_HINT_DROPDOWN_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU");
break;
case GDK_SURFACE_TYPE_HINT_POPUP_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_POPUP_MENU");
break;
case GDK_SURFACE_TYPE_HINT_TOOLTIP:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLTIP");
break;
case GDK_SURFACE_TYPE_HINT_NOTIFICATION:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NOTIFICATION");
break;
case GDK_SURFACE_TYPE_HINT_COMBO:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_COMBO");
break;
case GDK_SURFACE_TYPE_HINT_DND:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DND");
break;
default:
g_warning ("Unknown hint %d passed to gdk_surface_set_type_hint", hint);
/* Fall thru */
case GDK_SURFACE_TYPE_HINT_NORMAL:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NORMAL");
break;
}
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
XA_ATOM, 32, PropModeReplace,
(guchar *)&atom, 1);
}
static GdkSurfaceTypeHint
gdk_x11_surface_get_type_hint (GdkSurface *surface)
{
GdkDisplay *display;
GdkSurfaceTypeHint type;
Atom type_return;
gint format_return;
gulong nitems_return;
gulong bytes_after_return;
guchar *data = NULL;
g_return_val_if_fail (GDK_IS_SURFACE (surface), GDK_SURFACE_TYPE_HINT_NORMAL);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return GDK_SURFACE_TYPE_HINT_NORMAL;
type = GDK_SURFACE_TYPE_HINT_NORMAL;
display = gdk_surface_get_display (surface);
if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
0, G_MAXLONG, False, XA_ATOM, &type_return,
&format_return, &nitems_return, &bytes_after_return,
&data) == Success)
{
if ((type_return == XA_ATOM) && (format_return == 32) &&
(data) && (nitems_return == 1))
{
Atom atom = *(Atom*)data;
if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG"))
type = GDK_SURFACE_TYPE_HINT_DIALOG;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU"))
type = GDK_SURFACE_TYPE_HINT_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR"))
type = GDK_SURFACE_TYPE_HINT_TOOLBAR;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY"))
type = GDK_SURFACE_TYPE_HINT_UTILITY;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH"))
type = GDK_SURFACE_TYPE_HINT_SPLASHSCREEN;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK"))
type = GDK_SURFACE_TYPE_HINT_DOCK;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP"))
type = GDK_SURFACE_TYPE_HINT_DESKTOP;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU"))
type = GDK_SURFACE_TYPE_HINT_DROPDOWN_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_POPUP_MENU"))
type = GDK_SURFACE_TYPE_HINT_POPUP_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLTIP"))
type = GDK_SURFACE_TYPE_HINT_TOOLTIP;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NOTIFICATION"))
type = GDK_SURFACE_TYPE_HINT_NOTIFICATION;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_COMBO"))
type = GDK_SURFACE_TYPE_HINT_COMBO;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DND"))
type = GDK_SURFACE_TYPE_HINT_DND;
}
if (type_return != None && data != NULL)
XFree (data);
}
return type;
}
static void
gdk_wmspec_change_state (gboolean add,
GdkSurface *surface,
GdkAtom state1,
GdkAtom state2)
{
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
XClientMessageEvent xclient;
#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
#define _NET_WM_STATE_ADD 1 /* add/set property */
#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE");
xclient.format = 32;
xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xclient.data.l[1] = gdk_x11_atom_to_xatom_for_display (display, state1);
xclient.data.l[2] = gdk_x11_atom_to_xatom_for_display (display, state2);
xclient.data.l[3] = 1; /* source indication */
xclient.data.l[4] = 0;
XSendEvent (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
static void
gdk_x11_surface_set_modal_hint (GdkSurface *surface,
gboolean modal)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
surface->modal_hint = modal;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (modal, surface,
g_intern_static_string ("_NET_WM_STATE_MODAL"),
NULL);
}
/**
* gdk_x11_surface_set_skip_taskbar_hint:
* @surface: (type GdkX11Surface): a native #GdkSurface
* @skips_taskbar: %TRUE to skip taskbars
*
* Sets a hint on @surface that taskbars should not
* display it. See the EWMH for details.
*/
void
gdk_x11_surface_set_skip_taskbar_hint (GdkSurface *surface,
gboolean skips_taskbar)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_SURFACE_TYPE (surface) != GDK_SURFACE_CHILD);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
toplevel = _gdk_x11_surface_get_toplevel (surface);
toplevel->skip_taskbar_hint = skips_taskbar;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (skips_taskbar, surface,
g_intern_static_string ("_NET_WM_STATE_SKIP_TASKBAR"),
NULL);
}
/**
* gdk_x11_surface_set_skip_pager_hint:
* @surface: (type GdkX11Surface): a #GdkSurface
* @skips_pager: %TRUE to skip pagers
*
* Sets a hint on @surface that pagers should not
* display it. See the EWMH for details.
*/
void
gdk_x11_surface_set_skip_pager_hint (GdkSurface *surface,
gboolean skips_pager)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_SURFACE_TYPE (surface) != GDK_SURFACE_CHILD);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
toplevel = _gdk_x11_surface_get_toplevel (surface);
toplevel->skip_pager_hint = skips_pager;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (skips_pager, surface,
g_intern_static_string ("_NET_WM_STATE_SKIP_PAGER"),
NULL);
}
/**
* gdk_x11_surface_set_urgency_hint:
* @surface: (type GdkX11Surface): a native #GdkSurface
* @urgent: %TRUE to indicate urgenct attention needed
*
* Sets a hint on @surface that it needs user attention.
* See the ICCCM for details.
*/
void
gdk_x11_surface_set_urgency_hint (GdkSurface *surface,
gboolean urgent)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_SURFACE_TYPE (surface) != GDK_SURFACE_CHILD);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
toplevel = _gdk_x11_surface_get_toplevel (surface);
toplevel->urgency_hint = urgent;
update_wm_hints (surface, FALSE);
}
static void
gdk_x11_surface_set_geometry_hints (GdkSurface *surface,
const GdkGeometry *geometry,
GdkSurfaceHints geom_mask)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
XSizeHints size_hints;
GdkToplevelX11 *toplevel;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel)
{
if (geometry)
toplevel->last_geometry_hints = *geometry;
toplevel->last_geometry_hints_mask = geom_mask;
}
size_hints.flags = 0;
if (geom_mask & GDK_HINT_POS)
{
size_hints.flags |= PPosition;
/* We need to initialize the following obsolete fields because KWM
* apparently uses these fields if they are non-zero.
* #@#!#!$!.
*/
size_hints.x = 0;
size_hints.y = 0;
}
if (geom_mask & GDK_HINT_USER_POS)
{
size_hints.flags |= USPosition;
}
if (geom_mask & GDK_HINT_USER_SIZE)
{
size_hints.flags |= USSize;
}
if (geom_mask & GDK_HINT_MIN_SIZE)
{
size_hints.flags |= PMinSize;
size_hints.min_width = geometry->min_width * impl->surface_scale;
size_hints.min_height = geometry->min_height * impl->surface_scale;
}
if (geom_mask & GDK_HINT_MAX_SIZE)
{
size_hints.flags |= PMaxSize;
size_hints.max_width = MAX (geometry->max_width, 1) * impl->surface_scale;
size_hints.max_height = MAX (geometry->max_height, 1) * impl->surface_scale;
}
if (geom_mask & GDK_HINT_BASE_SIZE)
{
size_hints.flags |= PBaseSize;
size_hints.base_width = geometry->base_width * impl->surface_scale;
size_hints.base_height = geometry->base_height * impl->surface_scale;
}
if (geom_mask & GDK_HINT_RESIZE_INC)
{
size_hints.flags |= PResizeInc;
size_hints.width_inc = geometry->width_inc * impl->surface_scale;
size_hints.height_inc = geometry->height_inc * impl->surface_scale;
}
else if (impl->surface_scale > 1)
{
size_hints.flags |= PResizeInc;
size_hints.width_inc = impl->surface_scale;
size_hints.height_inc = impl->surface_scale;
}
if (geom_mask & GDK_HINT_ASPECT)
{
size_hints.flags |= PAspect;
if (geometry->min_aspect <= 1)
{
size_hints.min_aspect.x = 65536 * geometry->min_aspect;
size_hints.min_aspect.y = 65536;
}
else
{
size_hints.min_aspect.x = 65536;
size_hints.min_aspect.y = 65536 / geometry->min_aspect;;
}
if (geometry->max_aspect <= 1)
{
size_hints.max_aspect.x = 65536 * geometry->max_aspect;
size_hints.max_aspect.y = 65536;
}
else
{
size_hints.max_aspect.x = 65536;
size_hints.max_aspect.y = 65536 / geometry->max_aspect;;
}
}
if (geom_mask & GDK_HINT_WIN_GRAVITY)
{
size_hints.flags |= PWinGravity;
size_hints.win_gravity = geometry->win_gravity;
}
/* FIXME: Would it be better to delete this property if
* geom_mask == 0? It would save space on the server
*/
XSetWMNormalHints (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
&size_hints);
}
static void
gdk_surface_get_geometry_hints (GdkSurface *surface,
GdkGeometry *geometry,
GdkSurfaceHints *geom_mask)
{
GdkSurfaceImplX11 *impl;
XSizeHints *size_hints;
glong junk_supplied_mask = 0;
g_return_if_fail (GDK_IS_SURFACE (surface));
g_return_if_fail (geometry != NULL);
g_return_if_fail (geom_mask != NULL);
*geom_mask = 0;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
size_hints = XAllocSizeHints ();
if (!size_hints)
return;
if (!XGetWMNormalHints (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
size_hints,
&junk_supplied_mask))
size_hints->flags = 0;
if (size_hints->flags & PMinSize)
{
*geom_mask |= GDK_HINT_MIN_SIZE;
geometry->min_width = size_hints->min_width / impl->surface_scale;
geometry->min_height = size_hints->min_height / impl->surface_scale;
}
if (size_hints->flags & PMaxSize)
{
*geom_mask |= GDK_HINT_MAX_SIZE;
geometry->max_width = MAX (size_hints->max_width, 1) / impl->surface_scale;
geometry->max_height = MAX (size_hints->max_height, 1) / impl->surface_scale;
}
if (size_hints->flags & PResizeInc)
{
*geom_mask |= GDK_HINT_RESIZE_INC;
geometry->width_inc = size_hints->width_inc / impl->surface_scale;
geometry->height_inc = size_hints->height_inc / impl->surface_scale;
}
if (size_hints->flags & PAspect)
{
*geom_mask |= GDK_HINT_ASPECT;
geometry->min_aspect = (gdouble) size_hints->min_aspect.x / (gdouble) size_hints->min_aspect.y;
geometry->max_aspect = (gdouble) size_hints->max_aspect.x / (gdouble) size_hints->max_aspect.y;
}
if (size_hints->flags & PWinGravity)
{
*geom_mask |= GDK_HINT_WIN_GRAVITY;
geometry->win_gravity = size_hints->win_gravity;
}
XFree (size_hints);
}
static gboolean
utf8_is_latin1 (const gchar *str)
{
const char *p = str;
while (*p)
{
gunichar ch = g_utf8_get_char (p);
if (ch > 0xff)
return FALSE;
p = g_utf8_next_char (p);
}
return TRUE;
}
/* Set the property to @utf8_str as STRING if the @utf8_str is fully
* convertable to STRING, otherwise, set it as compound text
*/
static void
set_text_property (GdkDisplay *display,
Window xwindow,
Atom property,
const gchar *utf8_str)
{
gchar *prop_text = NULL;
Atom prop_type;
gint prop_length;
gint prop_format;
gboolean is_compound_text;
if (utf8_is_latin1 (utf8_str))
{
prop_type = XA_STRING;
prop_text = _gdk_x11_display_utf8_to_string_target (display, utf8_str);
prop_length = prop_text ? strlen (prop_text) : 0;
prop_format = 8;
is_compound_text = FALSE;
}
else
{
GdkAtom gdk_type;
gdk_x11_display_utf8_to_compound_text (display,
utf8_str, &gdk_type, &prop_format,
(guchar **)&prop_text, &prop_length);
prop_type = gdk_x11_atom_to_xatom_for_display (display, gdk_type);
is_compound_text = TRUE;
}
if (prop_text)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
xwindow,
property,
prop_type, prop_format,
PropModeReplace, (guchar *)prop_text,
prop_length);
if (is_compound_text)
gdk_x11_free_compound_text ((guchar *)prop_text);
else
g_free (prop_text);
}
}
/* Set WM_NAME and _NET_WM_NAME
*/
static void
set_wm_name (GdkDisplay *display,
Window xwindow,
const gchar *name)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_NAME"),
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
PropModeReplace, (guchar *)name, strlen (name));
set_text_property (display, xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "WM_NAME"),
name);
}
static void
gdk_x11_surface_set_title (GdkSurface *surface,
const gchar *title)
{
GdkDisplay *display;
Display *xdisplay;
Window xwindow;
g_return_if_fail (title != NULL);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
xdisplay = GDK_DISPLAY_XDISPLAY (display);
xwindow = GDK_SURFACE_XID (surface);
set_wm_name (display, xwindow, title);
if (!gdk_surface_icon_name_set (surface))
{
XChangeProperty (xdisplay, xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
PropModeReplace, (guchar *)title, strlen (title));
set_text_property (display, xwindow,
gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
title);
}
}
static void
gdk_x11_surface_set_startup_id (GdkSurface *surface,
const gchar *startup_id)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_SURFACE (surface));
display = gdk_surface_get_display (surface);
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (startup_id)
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"),
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
PropModeReplace, (unsigned char *)startup_id, strlen (startup_id));
else
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"));
}
static void
gdk_x11_surface_set_transient_for (GdkSurface *surface,
GdkSurface *parent)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
/* XSetTransientForHint() doesn't allow unsetting, so do it manually */
if (parent && !GDK_SURFACE_DESTROYED (parent))
XSetTransientForHint (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
GDK_SURFACE_XID (parent));
else
XDeleteProperty (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (GDK_SURFACE_DISPLAY (surface), "WM_TRANSIENT_FOR"));
}
GdkCursor *
_gdk_x11_surface_get_cursor (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl;
g_return_val_if_fail (GDK_IS_SURFACE (surface), NULL);
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
return impl->cursor;
}
static void
gdk_surface_x11_get_geometry (GdkSurface *surface,
gint *x,
gint *y,
gint *width,
gint *height)
{
GdkSurfaceImplX11 *impl;
Window root;
gint tx;
gint ty;
guint twidth;
guint theight;
guint tborder_width;
guint tdepth;
if (!GDK_SURFACE_DESTROYED (surface))
{
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
XGetGeometry (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
&root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);
if (x)
*x = tx / impl->surface_scale;
if (y)
*y = ty / impl->surface_scale;
if (width)
*width = twidth / impl->surface_scale;
if (height)
*height = theight / impl->surface_scale;
}
}
static void
gdk_surface_x11_get_root_coords (GdkSurface *surface,
gint x,
gint y,
gint *root_x,
gint *root_y)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
Window child;
gint tx;
gint ty;
XTranslateCoordinates (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
GDK_SURFACE_XROOTWIN (surface),
x * impl->surface_scale, y * impl->surface_scale, &tx, &ty,
&child);
if (root_x)
*root_x = tx / impl->surface_scale;
if (root_y)
*root_y = ty / impl->surface_scale;
}
static void
gdk_x11_surface_get_frame_extents (GdkSurface *surface,
GdkRectangle *rect)
{
GdkDisplay *display;
GdkSurfaceImplX11 *impl;
Window xwindow;
Window xparent;
Window root;
Window child;
Window *children;
guchar *data;
Window *vroots;
Atom type_return;
guint nchildren;
guint nvroots;
gulong nitems_return;
gulong bytes_after_return;
gint format_return;
gint i;
guint ww, wh, wb, wd;
gint wx, wy;
gboolean got_frame_extents = FALSE;
g_return_if_fail (rect != NULL);
rect->x = 0;
rect->y = 0;
rect->width = 1;
rect->height = 1;
while (surface->parent && (surface->parent)->parent)
surface = surface->parent;
impl = GDK_SURFACE_IMPL_X11 (surface->impl);
/* Refine our fallback answer a bit using local information */
rect->x = surface->x * impl->surface_scale;
rect->y = surface->y * impl->surface_scale;
rect->width = surface->width * impl->surface_scale;
rect->height = surface->height * impl->surface_scale;
if (GDK_SURFACE_DESTROYED (surface) || impl->override_redirect)
return;
nvroots = 0;
vroots = NULL;
display = gdk_surface_get_display (surface);
gdk_x11_display_error_trap_push (display);
xwindow = GDK_SURFACE_XID (surface);
/* first try: use _NET_FRAME_EXTENTS */
if (gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_FRAME_EXTENTS")) &&
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), xwindow,
gdk_x11_get_xatom_by_name_for_display (display,
"_NET_FRAME_EXTENTS"),
0, G_MAXLONG, False, XA_CARDINAL, &type_return,
&format_return, &nitems_return, &bytes_after_return,
&data)
== Success)
{
if ((type_return == XA_CARDINAL) && (format_return == 32) &&
(nitems_return == 4) && (data))
{
gulong *ldata = (gulong *) data;
got_frame_extents = TRUE;
/* try to get the real client window geometry */
if (XGetGeometry (GDK_DISPLAY_XDISPLAY (display), xwindow,
&root, &wx, &wy, &ww, &wh, &wb, &wd) &&
XTranslateCoordinates (GDK_DISPLAY_XDISPLAY (display),
xwindow, root, 0, 0, &wx, &wy, &child))
{
rect->x = wx;
rect->y = wy;
rect->width = ww;
rect->height = wh;
}
/* _NET_FRAME_EXTENTS format is left, right, top, bottom */
rect->x -= ldata[0];
rect->y -= ldata[2];
rect->width += ldata[0] + ldata[1];
rect->height += ldata[2] + ldata[3];
}
if (data)
XFree (data);
}
if (got_frame_extents)
goto out;
/* no frame extents property available, which means we either have a WM that
is not EWMH compliant or is broken - try fallback and walk up the window
tree to get our window's parent which hopefully is the window frame */
/* use NETWM_VIRTUAL_ROOTS if available */
root = GDK_SURFACE_XROOTWIN (surface);
if (gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_VIRTUAL_ROOTS")) &&
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), root,
gdk_x11_get_xatom_by_name_for_display (display,
"_NET_VIRTUAL_ROOTS"),
0, G_MAXLONG, False, XA_WINDOW, &type_return,
&format_return, &nitems_return, &bytes_after_return,
&data)
== Success)
{
if ((type_return == XA_WINDOW) && (format_return == 32) && (data))
{
nvroots = nitems_return;
vroots = (Window *)data;
}
}
xparent = GDK_SURFACE_XID (surface);
do
{
xwindow = xparent;
if (!XQueryTree (GDK_DISPLAY_XDISPLAY (display), xwindow,
&root, &xparent,
&children, &nchildren))
goto out;
if (children)
XFree (children);
/* check virtual roots */
for (i = 0; i < nvroots; i++)
{
if (xparent == vroots[i])
{
root = xparent;
break;
}
}
}
while (xparent != root);
if (XGetGeometry (GDK_DISPLAY_XDISPLAY (display), xwindow,
&root, &wx, &wy, &ww, &wh, &wb, &wd))
{
rect->x = wx;
rect->y = wy;
rect->width = ww;
rect->height = wh;
}
out:
if (vroots)
XFree (vroots);
/* Here we extend the size to include the extra pixels if we round x/y down
as well as round the size up when we divide by scale so that the returned
size is guaranteed to cover the real pixels, but it may overshoot a bit
in case the window is not positioned/sized according to the scale */
rect->width = (rect->width + rect->x % impl->surface_scale + impl->surface_scale - 1) / impl->surface_scale;
rect->height = (rect->height + rect->y % impl->surface_scale + impl->surface_scale - 1) / impl->surface_scale;
rect->x = rect->x / impl->surface_scale;
rect->y = rect->y / impl->surface_scale;
gdk_x11_display_error_trap_pop_ignored (display);
}
static gboolean
gdk_surface_x11_get_device_state (GdkSurface *surface,
GdkDevice *device,
gdouble *x,
gdouble *y,
GdkModifierType *mask)
{
GdkSurface *child;
if (GDK_SURFACE_DESTROYED (surface))
return FALSE;
/*HIDPI: handle coords here?*/
GDK_DEVICE_GET_CLASS (device)->query_state (device, surface,
&child,
NULL, NULL,
x, y, mask);
return child != NULL;
}
static void
gdk_surface_x11_input_shape_combine_region (GdkSurface *surface,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
#ifdef ShapeInput
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (GDK_SURFACE_DESTROYED (surface))
return;
if (!gdk_display_supports_input_shapes (GDK_SURFACE_DISPLAY (surface)))
return;
if (shape_region == NULL)
{
XShapeCombineMask (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
ShapeInput,
0, 0,
None,
ShapeSet);
return;
}
else
{
gint n_rects = 0;
XRectangle *xrects = NULL;
_gdk_x11_region_get_xrectangles (shape_region,
0, 0, impl->surface_scale,
&xrects, &n_rects);
XShapeCombineRectangles (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
ShapeInput,
offset_x * impl->surface_scale,
offset_y * impl->surface_scale,
xrects, n_rects,
ShapeSet,
YXBanded);
g_free (xrects);
}
#endif
}
static void
gdk_x11_surface_set_accept_focus (GdkSurface *surface,
gboolean accept_focus)
{
accept_focus = accept_focus != FALSE;
if (surface->accept_focus != accept_focus)
{
surface->accept_focus = accept_focus;
if (!GDK_SURFACE_DESTROYED (surface) &&
SURFACE_IS_TOPLEVEL (surface))
update_wm_hints (surface, FALSE);
}
}
static void
gdk_x11_surface_set_focus_on_map (GdkSurface *surface,
gboolean focus_on_map)
{
focus_on_map = focus_on_map != FALSE;
if (surface->focus_on_map != focus_on_map)
{
surface->focus_on_map = focus_on_map;
if ((!GDK_SURFACE_DESTROYED (surface)) &&
(!surface->focus_on_map) &&
SURFACE_IS_TOPLEVEL (surface))
gdk_x11_surface_set_user_time (surface, 0);
}
}
/**
* gdk_x11_surface_set_user_time:
* @surface: (type GdkX11Surface): A toplevel #GdkSurface
* @timestamp: An XServer timestamp to which the property should be set
*
* The application can use this call to update the _NET_WM_USER_TIME
* property on a toplevel surface. This property stores an Xserver
* time which represents the time of the last user input event
* received for this surface. This property may be used by the window
* manager to alter the focus, stacking, and/or placement behavior of
* surfaces when they are mapped depending on whether the new surface
* was created by a user action or is a "pop-up" surface activated by a
* timer or some other event.
*
* Note that this property is automatically updated by GDK, so this
* function should only be used by applications which handle input
* events bypassing GDK.
**/
void
gdk_x11_surface_set_user_time (GdkSurface *surface,
guint32 timestamp)
{
GdkDisplay *display;
GdkX11Display *display_x11;
GdkToplevelX11 *toplevel;
glong timestamp_long = (glong)timestamp;
Window xid;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
display_x11 = GDK_X11_DISPLAY (display);
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (!toplevel)
{
g_warning ("gdk_surface_set_user_time called on non-toplevel\n");
return;
}
if (toplevel->focus_window != None &&
gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_WM_USER_TIME_WINDOW")))
xid = toplevel->focus_window;
else
xid = GDK_SURFACE_XID (surface);
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xid,
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_USER_TIME"),
XA_CARDINAL, 32, PropModeReplace,
(guchar *)&timestamp_long, 1);
if (timestamp_long != GDK_CURRENT_TIME &&
(display_x11->user_time == GDK_CURRENT_TIME ||
XSERVER_TIME_IS_LATER (timestamp_long, display_x11->user_time)))
display_x11->user_time = timestamp_long;
if (toplevel)
toplevel->user_time = timestamp_long;
}
/**
* gdk_x11_surface_set_utf8_property:
* @surface: (type GdkX11Surface): a #GdkSurface
* @name: Property name, will be interned as an X atom
* @value: (allow-none): Property value, or %NULL to delete
*
* This function modifies or removes an arbitrary X11 window
* property of type UTF8_STRING. If the given @surface is
* not a toplevel surface, it is ignored.
*/
void
gdk_x11_surface_set_utf8_property (GdkSurface *surface,
const gchar *name,
const gchar *value)
{
GdkDisplay *display;
if (!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
if (value != NULL)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, name),
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
PropModeReplace, (guchar *)value, strlen (value));
}
else
{
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, name));
}
}
static void
gdk_x11_surface_set_shadow_width (GdkSurface *surface,
int left,
int right,
int top,
int bottom)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
Atom frame_extents;
gulong data[4] = {
left * impl->surface_scale,
right * impl->surface_scale,
top * impl->surface_scale,
bottom * impl->surface_scale
};
frame_extents = gdk_x11_get_xatom_by_name_for_display (gdk_surface_get_display (surface),
"_GTK_FRAME_EXTENTS");
XChangeProperty (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
frame_extents, XA_CARDINAL,
32, PropModeReplace,
(guchar *) &data, 4);
}
/**
* gdk_x11_surface_set_theme_variant:
* @surface: (type GdkX11Surface): a #GdkSurface
* @variant: the theme variant to export
*
* GTK+ applications can request a dark theme variant. In order to
* make other applications - namely window managers using GTK+ for
* themeing - aware of this choice, GTK+ uses this function to
* export the requested theme variant as _GTK_THEME_VARIANT property
* on toplevel surfaces.
*
* Note that this property is automatically updated by GTK+, so this
* function should only be used by applications which do not use GTK+
* to create toplevel surfaces.
*/
void
gdk_x11_surface_set_theme_variant (GdkSurface *surface,
const char *variant)
{
gdk_x11_surface_set_utf8_property (surface, "_GTK_THEME_VARIANT",
variant ? variant : "");
}
#define GDK_SELECTION_MAX_SIZE(display) \
MIN(262144, \
XExtendedMaxRequestSize (GDK_DISPLAY_XDISPLAY (display)) == 0 \
? XMaxRequestSize (GDK_DISPLAY_XDISPLAY (display)) - 100 \
: XExtendedMaxRequestSize (GDK_DISPLAY_XDISPLAY (display)) - 100)
static void
gdk_surface_update_icon (GdkSurface *surface,
GList *icon_list)
{
GdkToplevelX11 *toplevel;
GdkTexture *best_icon;
GList *tmp_list;
int best_size;
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (toplevel->icon_pixmap != NULL)
{
cairo_surface_destroy (toplevel->icon_pixmap);
toplevel->icon_pixmap = NULL;
}
if (toplevel->icon_mask != NULL)
{
cairo_surface_destroy (toplevel->icon_mask);
toplevel->icon_mask = NULL;
}
#define IDEAL_SIZE 48
best_size = G_MAXINT;
best_icon = NULL;
for (tmp_list = icon_list; tmp_list; tmp_list = tmp_list->next)
{
GdkTexture *texture = tmp_list->data;
int this;
/* average width and height - if someone passes in a rectangular
* icon they deserve what they get.
*/
this = gdk_texture_get_width (texture) + gdk_texture_get_height (texture);
this /= 2;
if (best_icon == NULL)
{
best_icon = texture;
best_size = this;
}
else
{
/* icon is better if it's 32 pixels or larger, and closer to
* the ideal size than the current best.
*/
if (this >= 32 &&
(ABS (best_size - IDEAL_SIZE) <
ABS (this - IDEAL_SIZE)))
{
best_icon = texture;
best_size = this;
}
}
}
if (best_icon)
{
int width = gdk_texture_get_width (best_icon);
int height = gdk_texture_get_height (best_icon);
cairo_surface_t *cairo_surface;
cairo_t *cr;
toplevel->icon_pixmap = gdk_x11_surface_create_pixmap_surface (surface, width, height);
cairo_surface = gdk_texture_download_surface (best_icon);
cr = cairo_create (toplevel->icon_pixmap);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, cairo_surface, 0, 0);
if (cairo_surface_get_content (cairo_surface) == CAIRO_CONTENT_COLOR_ALPHA)
{
/* Saturate the image, so it has bilevel alpha */
cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SATURATE);
cairo_paint (cr);
cairo_pop_group_to_source (cr);
}
cairo_paint (cr);
cairo_destroy (cr);
if (cairo_surface_get_content (cairo_surface) == CAIRO_CONTENT_COLOR_ALPHA)
{
GdkDisplay *display = gdk_surface_get_display (surface);
toplevel->icon_mask = _gdk_x11_display_create_bitmap_surface (display, width, height);
cr = cairo_create (toplevel->icon_mask);
cairo_set_source_surface (cr, cairo_surface, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_destroy (cr);
}
cairo_surface_destroy (cairo_surface);
}
update_wm_hints (surface, FALSE);
}
static void
gdk_x11_surface_set_icon_list (GdkSurface *surface,
GList *textures)
{
gulong *data;
gulong *p;
gint size;
GList *l;
gint width, height;
GdkTexture *texture;
GdkDisplay *display;
gint i, n;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
size = 0;
n = 0;
for (l = textures; l != NULL; l = l->next)
{
texture = l->data;
width = gdk_texture_get_width (texture);
height = gdk_texture_get_height (texture);
/* silently ignore overlarge icons */
if (size + 2 + width * height > GDK_SELECTION_MAX_SIZE(display))
break;
n++;
size += 2 + width * height;
}
data = g_malloc (size * sizeof (gulong));
p = data;
for (l = textures; l != NULL && n > 0; l = l->next)
{
texture = l->data;
width = gdk_texture_get_width (texture);
height = gdk_texture_get_height (texture);
*p++ = width;
*p++ = height;
gdk_texture_download (texture, (guchar *) p, width * 4);
if (sizeof (gulong) > 4)
{
i = width * height;
while (i-- > 0)
p[i] = ((guint32 *) p)[i];
}
p += width * height;
n--;
}
if (size > 0)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"),
XA_CARDINAL, 32,
PropModeReplace,
(guchar*) data, size);
}
else
{
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"));
}
g_free (data);
gdk_surface_update_icon (surface, textures);
}
static gboolean
gdk_surface_icon_name_set (GdkSurface *surface)
{
return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (surface),
g_quark_from_static_string ("gdk-icon-name-set")));
}
static void
gdk_x11_surface_set_icon_name (GdkSurface *surface,
const gchar *name)
{
GdkDisplay *display;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
g_object_set_qdata (G_OBJECT (surface), g_quark_from_static_string ("gdk-icon-name-set"),
GUINT_TO_POINTER (name != NULL));
if (name != NULL)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
PropModeReplace, (guchar *)name, strlen (name));
set_text_property (display, GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
name);
}
else
{
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"));
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"));
}
}
static void
gdk_x11_surface_iconify (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
XIconifyWindow (GDK_SURFACE_XDISPLAY (surface),
GDK_SURFACE_XID (surface),
gdk_x11_screen_get_screen_number (GDK_SURFACE_SCREEN (surface)));
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_surface_state (surface,
0,
GDK_SURFACE_STATE_ICONIFIED);
gdk_wmspec_change_state (TRUE, surface,
g_intern_static_string ("_NET_WM_STATE_HIDDEN"),
NULL);
}
}
static void
gdk_x11_surface_deiconify (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
gdk_surface_show (surface);
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_HIDDEN"),
NULL);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_surface_state (surface,
GDK_SURFACE_STATE_ICONIFIED,
0);
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_HIDDEN"),
NULL);
}
}
static void
gdk_x11_surface_stick (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
/* "stick" means stick to all desktops _and_ do not scroll with the
* viewport. i.e. glue to the monitor glass in all cases.
*/
XClientMessageEvent xclient;
/* Request stick during viewport scroll */
gdk_wmspec_change_state (TRUE, surface,
g_intern_static_string ("_NET_WM_STATE_STICKY"),
NULL);
/* Request desktop 0xFFFFFFFF */
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.display = GDK_SURFACE_XDISPLAY (surface);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_SURFACE_DISPLAY (surface),
"_NET_WM_DESKTOP");
xclient.format = 32;
xclient.data.l[0] = 0xFFFFFFFF;
xclient.data.l[1] = 0;
xclient.data.l[2] = 0;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_surface_state (surface,
0,
GDK_SURFACE_STATE_STICKY);
}
}
static void
gdk_x11_surface_unstick (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
/* Request unstick from viewport */
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_STICKY"),
NULL);
move_to_current_desktop (surface);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_surface_state (surface,
GDK_SURFACE_STATE_STICKY,
0);
}
}
static void
gdk_x11_surface_maximize (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (TRUE, surface,
g_intern_static_string ("_NET_WM_STATE_MAXIMIZED_VERT"),
g_intern_static_string ("_NET_WM_STATE_MAXIMIZED_HORZ"));
else
gdk_synthesize_surface_state (surface,
0,
GDK_SURFACE_STATE_MAXIMIZED);
}
static void
gdk_x11_surface_unmaximize (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_MAXIMIZED_VERT"),
g_intern_static_string ("_NET_WM_STATE_MAXIMIZED_HORZ"));
else
gdk_synthesize_surface_state (surface,
GDK_SURFACE_STATE_MAXIMIZED,
0);
}
static void
gdk_x11_surface_apply_fullscreen_mode (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
/* _NET_WM_FULLSCREEN_MONITORS gives an indication to the window manager as
* to which monitors so span across when the surface is fullscreen, but it's
* not a state in itself so this would have no effect if the surface is not
* mapped.
*/
if (GDK_SURFACE_IS_MAPPED (surface))
{
XClientMessageEvent xclient;
gint monitors[4];
gint i;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.display = GDK_SURFACE_XDISPLAY (surface);
xclient.format = 32;
switch (surface->fullscreen_mode)
{
case GDK_FULLSCREEN_ON_CURRENT_MONITOR:
/* FIXME: This is not part of the EWMH spec!
*
* There is no documented mechanism to remove the property
* _NET_WM_FULLSCREEN_MONITORS once set, so we use use a set of
* invalid, largest possible value.
*
* When given values larger than actual possible monitor values, most
* window managers who support the _NET_WM_FULLSCREEN_MONITORS spec
* will simply unset _NET_WM_FULLSCREEN_MONITORS and revert to their
* default behavior.
*
* Successfully tested on mutter/metacity, kwin, compiz and xfwm4.
*
* Note, this (non documented) mechanism is unlikely to be an issue
* as it's used only for transitionning back from "all monitors" to
* "current monitor" mode.
*
* Applications who don't change the default mode won't trigger this
* mechanism.
*/
for (i = 0; i < 4; ++i)
xclient.data.l[i] = G_MAXLONG;
break;
case GDK_FULLSCREEN_ON_ALL_MONITORS:
_gdk_x11_screen_get_edge_monitors (GDK_SURFACE_SCREEN (surface),
&monitors[0],
&monitors[1],
&monitors[2],
&monitors[3]);
/* Translate all 4 monitors from the GDK set into XINERAMA indices */
for (i = 0; i < 4; ++i)
{
xclient.data.l[i] = monitors[i];
/* Sanity check, if XINERAMA is not available, we could have invalid
* negative values for the XINERAMA indices.
*/
if (xclient.data.l[i] < 0)
{
g_warning ("gdk_x11_surface_apply_fullscreen_mode: Invalid XINERAMA monitor index");
return;
}
}
break;
default:
g_warning ("gdk_x11_surface_apply_fullscreen_mode: Unhandled fullscreen mode %d",
surface->fullscreen_mode);
return;
}
/* Send fullscreen monitors client message */
xclient.data.l[4] = 1; /* source indication */
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_SURFACE_DISPLAY (surface),
"_NET_WM_FULLSCREEN_MONITORS");
XSendEvent (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
}
static void
gdk_x11_surface_fullscreen (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
gdk_wmspec_change_state (TRUE, surface,
g_intern_static_string ("_NET_WM_STATE_FULLSCREEN"),
NULL);
/* Actual XRandR layout may have change since we computed the fullscreen
* monitors in GDK_FULLSCREEN_ON_ALL_MONITORS mode.
*/
if (surface->fullscreen_mode == GDK_FULLSCREEN_ON_ALL_MONITORS)
gdk_x11_surface_apply_fullscreen_mode (surface);
}
else
gdk_synthesize_surface_state (surface,
0,
GDK_SURFACE_STATE_FULLSCREEN);
}
static void
gdk_x11_surface_fullscreen_on_monitor (GdkSurface *surface,
GdkMonitor *monitor)
{
GdkRectangle geom;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
gdk_monitor_get_geometry (monitor, &geom);
gdk_surface_move (surface, geom.x, geom.y);
gdk_surface_set_fullscreen_mode (surface, GDK_FULLSCREEN_ON_CURRENT_MONITOR);
gdk_x11_surface_fullscreen (surface);
}
static void
gdk_x11_surface_unfullscreen (GdkSurface *surface)
{
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_FULLSCREEN"),
NULL);
else
gdk_synthesize_surface_state (surface,
GDK_SURFACE_STATE_FULLSCREEN,
0);
}
static void
gdk_x11_surface_set_keep_above (GdkSurface *surface,
gboolean setting)
{
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
if (setting)
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_BELOW"),
NULL);
gdk_wmspec_change_state (setting, surface,
g_intern_static_string ("_NET_WM_STATE_ABOVE"),
NULL);
}
else
gdk_synthesize_surface_state (surface,
setting ? GDK_SURFACE_STATE_BELOW : GDK_SURFACE_STATE_ABOVE,
setting ? GDK_SURFACE_STATE_ABOVE : 0);
}
static void
gdk_x11_surface_set_keep_below (GdkSurface *surface, gboolean setting)
{
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
if (GDK_SURFACE_IS_MAPPED (surface))
{
if (setting)
gdk_wmspec_change_state (FALSE, surface,
g_intern_static_string ("_NET_WM_STATE_ABOVE"),
NULL);
gdk_wmspec_change_state (setting, surface,
g_intern_static_string ("_NET_WM_STATE_BELOW"),
NULL);
}
else
gdk_synthesize_surface_state (surface,
setting ? GDK_SURFACE_STATE_ABOVE : GDK_SURFACE_STATE_BELOW,
setting ? GDK_SURFACE_STATE_BELOW : 0);
}
GdkSurface *
gdk_x11_surface_get_group (GdkSurface *surface)
{
GdkToplevelX11 *toplevel;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return NULL;
toplevel = _gdk_x11_surface_get_toplevel (surface);
return toplevel->group_leader;
}
/**
* gdk_x11_surface_set_group:
* @surface: (type GdkX11Surface): a native #GdkSurface
* @leader: a #GdkSurface
*
* Sets the group leader of @surface to be @leader.
* See the ICCCM for details.
*/
void
gdk_x11_surface_set_group (GdkSurface *surface,
GdkSurface *leader)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_SURFACE (surface));
g_return_if_fail (GDK_SURFACE_TYPE (surface) != GDK_SURFACE_CHILD);
g_return_if_fail (leader == NULL || GDK_IS_SURFACE (leader));
if (GDK_SURFACE_DESTROYED (surface) ||
(leader != NULL && GDK_SURFACE_DESTROYED (leader)) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
toplevel = _gdk_x11_surface_get_toplevel (surface);
if (leader == NULL)
leader = gdk_display_get_default_group (gdk_surface_get_display (surface));
if (toplevel->group_leader != leader)
{
if (toplevel->group_leader)
g_object_unref (toplevel->group_leader);
toplevel->group_leader = g_object_ref (leader);
(_gdk_x11_surface_get_toplevel (leader))->is_leader = TRUE;
}
update_wm_hints (surface, FALSE);
}
static MotifWmHints *
gdk_surface_get_mwm_hints (GdkSurface *surface)
{
GdkDisplay *display;
Atom hints_atom = None;
guchar *data;
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
if (GDK_SURFACE_DESTROYED (surface))
return NULL;
display = gdk_surface_get_display (surface);
hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XID (surface),
hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
False, AnyPropertyType, &type, &format, &nitems,
&bytes_after, &data);
if (type == None)
return NULL;
return (MotifWmHints *)data;
}
static void
gdk_surface_set_mwm_hints (GdkSurface *surface,
MotifWmHints *new_hints)
{
GdkDisplay *display;
Atom hints_atom = None;
guchar *data;
MotifWmHints *hints;
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
if (GDK_SURFACE_DESTROYED (surface))
return;
display = gdk_surface_get_display (surface);
hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
XGetWindowProperty (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XID (surface),
hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
False, AnyPropertyType, &type, &format, &nitems,
&bytes_after, &data);
if (type == None)
hints = new_hints;
else
{
hints = (MotifWmHints *)data;
if (new_hints->flags & MWM_HINTS_FUNCTIONS)
{
hints->flags |= MWM_HINTS_FUNCTIONS;
hints->functions = new_hints->functions;
}
if (new_hints->flags & MWM_HINTS_DECORATIONS)
{
hints->flags |= MWM_HINTS_DECORATIONS;
hints->decorations = new_hints->decorations;
}
}
XChangeProperty (GDK_SURFACE_XDISPLAY (surface), GDK_SURFACE_XID (surface),
hints_atom, hints_atom, 32, PropModeReplace,
(guchar *)hints, sizeof (MotifWmHints)/sizeof (long));
if (hints != new_hints)
XFree (hints);
}
static void
gdk_x11_surface_set_decorations (GdkSurface *surface,
GdkWMDecoration decorations)
{
MotifWmHints hints;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
/* initialize to zero to avoid writing uninitialized data to socket */
memset(&hints, 0, sizeof(hints));
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = decorations;
gdk_surface_set_mwm_hints (surface, &hints);
}
static gboolean
gdk_x11_surface_get_decorations(GdkSurface *surface,
GdkWMDecoration *decorations)
{
MotifWmHints *hints;
gboolean result = FALSE;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return FALSE;
hints = gdk_surface_get_mwm_hints (surface);
if (hints)
{
if (hints->flags & MWM_HINTS_DECORATIONS)
{
if (decorations)
*decorations = hints->decorations;
result = TRUE;
}
XFree (hints);
}
return result;
}
static void
gdk_x11_surface_set_functions (GdkSurface *surface,
GdkWMFunction functions)
{
MotifWmHints hints;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
/* initialize to zero to avoid writing uninitialized data to socket */
memset(&hints, 0, sizeof(hints));
hints.flags = MWM_HINTS_FUNCTIONS;
hints.functions = functions;
gdk_surface_set_mwm_hints (surface, &hints);
}
cairo_region_t *
_gdk_x11_xwindow_get_shape (Display *xdisplay,
Window window,
gint scale,
gint shape_type)
{
cairo_region_t *shape;
GdkRectangle *rl;
XRectangle *xrl;
gint rn, ord, i;
shape = NULL;
rn = 0;
/* Note that XShapeGetRectangles returns NULL in two situations:
* - the server doesn't support the SHAPE extension
* - the shape is empty
*
* Since we can't discriminate these here, we always return
* an empty shape. It is the callers responsibility to check
* whether the server supports the SHAPE extensions beforehand.
*/
xrl = XShapeGetRectangles (xdisplay, window, shape_type, &rn, &ord);
if (rn == 0)
return cairo_region_create (); /* Empty */
if (ord != YXBanded)
{
/* This really shouldn't happen with any xserver, as they
* generally convert regions to YXBanded internally
*/
g_warning ("non YXBanded shape masks not supported");
XFree (xrl);
return NULL;
}
/* NOTE: The scale divisions here may lose some precision if someone
else set the shape to be non-scale precision */
rl = g_new (GdkRectangle, rn);
for (i = 0; i < rn; i++)
{
rl[i].x = xrl[i].x / scale;
rl[i].y = xrl[i].y / scale;
rl[i].width = xrl[i].width / scale;
rl[i].height = xrl[i].height / scale;
}
XFree (xrl);
shape = cairo_region_create_rectangles (rl, rn);
g_free (rl);
return shape;
}
/* From the WM spec */
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
#define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
static void
wmspec_send_message (GdkDisplay *display,
GdkSurface *surface,
gint root_x,
gint root_y,
gint action,
gint button)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
XClientMessageEvent xclient;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.message_type =
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_MOVERESIZE");
xclient.format = 32;
xclient.data.l[0] = root_x * impl->surface_scale;
xclient.data.l[1] = root_y * impl->surface_scale;
xclient.data.l[2] = action;
xclient.data.l[3] = button;
xclient.data.l[4] = 1; /* source indication */
XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
static void
handle_wmspec_button_release (GdkDisplay *display,
const XEvent *xevent)
{
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
GdkSurface *surface;
XIEvent *xiev = (XIEvent *) xevent->xcookie.data;
XIDeviceEvent *xidev = (XIDeviceEvent *) xiev;
if (xevent->xany.type == GenericEvent)
surface = gdk_x11_surface_lookup_for_display (display, xidev->event);
else
surface = gdk_x11_surface_lookup_for_display (display, xevent->xany.window);
if (display_x11->wm_moveresize_button != 0 && surface != NULL)
{
if ((xevent->xany.type == ButtonRelease &&
xevent->xbutton.button == display_x11->wm_moveresize_button) ||
(xevent->xany.type == GenericEvent &&
xiev->evtype == XI_ButtonRelease &&
xidev->detail == display_x11->wm_moveresize_button))
{
display_x11->wm_moveresize_button = 0;
wmspec_send_message (display, surface, 0, 0, _NET_WM_MOVERESIZE_CANCEL, 0);
}
}
}
static void
wmspec_moveresize (GdkSurface *surface,
gint direction,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
if (button != 0)
gdk_seat_ungrab (gdk_device_get_seat (device)); /* Release passive grab */
GDK_X11_DISPLAY (display)->wm_moveresize_button = button;
wmspec_send_message (display, surface, root_x, root_y, direction, button);
}
static void
wmspec_resize_drag (GdkSurface *surface,
GdkSurfaceEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
gint direction;
if (button == 0)
direction = _NET_WM_MOVERESIZE_SIZE_KEYBOARD;
else
switch (edge)
{
/* Let the compiler turn a switch into a table, instead
* of doing the table manually, this way is easier to verify.
*/
case GDK_SURFACE_EDGE_NORTH_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
break;
case GDK_SURFACE_EDGE_NORTH:
direction = _NET_WM_MOVERESIZE_SIZE_TOP;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
break;
case GDK_SURFACE_EDGE_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_LEFT;
break;
case GDK_SURFACE_EDGE_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_RIGHT;
break;
case GDK_SURFACE_EDGE_SOUTH_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
break;
case GDK_SURFACE_EDGE_SOUTH:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
break;
case GDK_SURFACE_EDGE_SOUTH_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
break;
default:
g_warning ("gdk_surface_begin_resize_drag: bad resize edge %d!",
edge);
return;
}
wmspec_moveresize (surface, direction, device, button, root_x, root_y, timestamp);
}
typedef struct _MoveResizeData MoveResizeData;
struct _MoveResizeData
{
GdkDisplay *display;
GdkSurface *moveresize_surface;
GdkSurface *moveresize_emulation_surface;
gboolean is_resize;
GdkSurfaceEdge resize_edge;
GdkDevice *device;
gint moveresize_button;
gint moveresize_x;
gint moveresize_y;
gint moveresize_orig_x;
gint moveresize_orig_y;
gint moveresize_orig_width;
gint moveresize_orig_height;
GdkSurfaceHints moveresize_geom_mask;
GdkGeometry moveresize_geometry;
Time moveresize_process_time;
XEvent *moveresize_pending_event;
};
static MoveResizeData *
get_move_resize_data (GdkDisplay *display,
gboolean create)
{
MoveResizeData *mv_resize;
static GQuark move_resize_quark = 0;
if (!move_resize_quark)
move_resize_quark = g_quark_from_static_string ("gdk-surface-moveresize");
mv_resize = g_object_get_qdata (G_OBJECT (display), move_resize_quark);
if (!mv_resize && create)
{
mv_resize = g_new0 (MoveResizeData, 1);
mv_resize->display = display;
g_object_set_qdata (G_OBJECT (display), move_resize_quark, mv_resize);
}
return mv_resize;
}
static void
check_maximize (MoveResizeData *mv_resize,
gdouble x_root,
gdouble y_root)
{
GdkSurfaceState state;
gint y;
if (mv_resize->is_resize)
return;
state = gdk_surface_get_state (mv_resize->moveresize_surface);
if (state & GDK_SURFACE_STATE_MAXIMIZED)
return;
y = mv_resize->moveresize_orig_y + (y_root - mv_resize->moveresize_y);
if (y < 10)
gdk_surface_maximize (mv_resize->moveresize_surface);
}
static void
check_unmaximize (MoveResizeData *mv_resize,
gdouble x_root,
gdouble y_root)
{
GdkSurfaceState state;
gint dx, dy;
if (mv_resize->is_resize)
return;
state = gdk_surface_get_state (mv_resize->moveresize_surface);
if ((state & (GDK_SURFACE_STATE_MAXIMIZED | GDK_SURFACE_STATE_TILED)) == 0)
return;
dx = x_root - mv_resize->moveresize_x;
dy = y_root - mv_resize->moveresize_y;
if (ABS (dx) > 20 || ABS (dy) > 20)
gdk_surface_unmaximize (mv_resize->moveresize_surface);
}
static void
update_pos (MoveResizeData *mv_resize,
gint new_root_x,
gint new_root_y)
{
gint dx, dy;
check_unmaximize (mv_resize, new_root_x, new_root_y);
dx = new_root_x - mv_resize->moveresize_x;
dy = new_root_y - mv_resize->moveresize_y;
if (mv_resize->is_resize)
{
gint x, y, w, h;
x = mv_resize->moveresize_orig_x;
y = mv_resize->moveresize_orig_y;
w = mv_resize->moveresize_orig_width;
h = mv_resize->moveresize_orig_height;
switch (mv_resize->resize_edge)
{
case GDK_SURFACE_EDGE_NORTH_WEST:
x += dx;
y += dy;
w -= dx;
h -= dy;
break;
case GDK_SURFACE_EDGE_NORTH:
y += dy;
h -= dy;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
y += dy;
h -= dy;
w += dx;
break;
case GDK_SURFACE_EDGE_SOUTH_WEST:
h += dy;
x += dx;
w -= dx;
break;
case GDK_SURFACE_EDGE_SOUTH_EAST:
w += dx;
h += dy;
break;
case GDK_SURFACE_EDGE_SOUTH:
h += dy;
break;
case GDK_SURFACE_EDGE_EAST:
w += dx;
break;
case GDK_SURFACE_EDGE_WEST:
x += dx;
w -= dx;
break;
default:
break;
}
x = MAX (x, 0);
y = MAX (y, 0);
w = MAX (w, 1);
h = MAX (h, 1);
if (mv_resize->moveresize_geom_mask)
{
gdk_surface_constrain_size (&mv_resize->moveresize_geometry,
mv_resize->moveresize_geom_mask,
w, h, &w, &h);
}
gdk_surface_move_resize (mv_resize->moveresize_surface, x, y, w, h);
}
else
{
gint x, y;
x = mv_resize->moveresize_orig_x + dx;
y = mv_resize->moveresize_orig_y + dy;
gdk_surface_move (mv_resize->moveresize_surface, x, y);
}
}
static void
finish_drag (MoveResizeData *mv_resize)
{
gdk_surface_destroy (mv_resize->moveresize_emulation_surface);
mv_resize->moveresize_emulation_surface = NULL;
g_clear_object (&mv_resize->moveresize_surface);
g_clear_pointer (&mv_resize->moveresize_pending_event, g_free);
}
static int
lookahead_motion_predicate (Display *xdisplay,
XEvent *event,
XPointer arg)
{
gboolean *seen_release = (gboolean *)arg;
GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
if (*seen_release)
return False;
switch (event->xany.type)
{
case ButtonRelease:
*seen_release = TRUE;
break;
case MotionNotify:
mv_resize->moveresize_process_time = event->xmotion.time;
break;
default:
break;
}
return False;
}
static gboolean
moveresize_lookahead (MoveResizeData *mv_resize,
const XEvent *event)
{
XEvent tmp_event;
gboolean seen_release = FALSE;
if (mv_resize->moveresize_process_time)
{
if (event->xmotion.time == mv_resize->moveresize_process_time)
{
mv_resize->moveresize_process_time = 0;
return TRUE;
}
else
return FALSE;
}
XCheckIfEvent (event->xany.display, &tmp_event,
lookahead_motion_predicate, (XPointer) & seen_release);
return mv_resize->moveresize_process_time == 0;
}
gboolean
_gdk_x11_moveresize_handle_event (const XEvent *event)
{
guint button_mask = 0;
GdkDisplay *display = gdk_x11_lookup_xdisplay (event->xany.display);
MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
GdkSurfaceImplX11 *impl;
if (!mv_resize || !mv_resize->moveresize_surface)
{
handle_wmspec_button_release (display, event);
return FALSE;
}
impl = GDK_SURFACE_IMPL_X11 (mv_resize->moveresize_surface->impl);
if (mv_resize->moveresize_button != 0)
button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1);
switch (event->xany.type)
{
case MotionNotify:
if (mv_resize->moveresize_surface->resize_count > 0)
{
if (mv_resize->moveresize_pending_event)
*mv_resize->moveresize_pending_event = *event;
else
mv_resize->moveresize_pending_event =
g_memdup (event, sizeof (XEvent));
break;
}
if (!moveresize_lookahead (mv_resize, event))
break;
update_pos (mv_resize,
event->xmotion.x_root / impl->surface_scale,
event->xmotion.y_root / impl->surface_scale);
/* This should never be triggered in normal cases, but in the
* case where the drag started without an implicit grab being
* in effect, we could miss the release if it occurs before
* we grab the pointer; this ensures that we will never
* get a permanently stuck grab.
*/
if ((event->xmotion.state & button_mask) == 0)
{
check_maximize (mv_resize,
event->xmotion.x_root / impl->surface_scale,
event->xmotion.y_root / impl->surface_scale);
finish_drag (mv_resize);
}
break;
case ButtonRelease:
update_pos (mv_resize,
event->xbutton.x_root / impl->surface_scale,
event->xbutton.y_root / impl->surface_scale);
if (event->xbutton.button == mv_resize->moveresize_button)
{
check_maximize (mv_resize,
event->xmotion.x_root / impl->surface_scale,
event->xmotion.y_root / impl->surface_scale);
finish_drag (mv_resize);
}
break;
case GenericEvent:
{
/* we just assume this is an XI2 event */
XIEvent *ev = (XIEvent *) event->xcookie.data;
XIDeviceEvent *xev = (XIDeviceEvent *)ev;
gint state;
switch (ev->evtype)
{
case XI_Motion:
update_pos (mv_resize, xev->root_x / impl->surface_scale, xev->root_y / impl->surface_scale);
state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
if ((state & button_mask) == 0)
{
check_maximize (mv_resize,
xev->root_x / impl->surface_scale,
xev->root_y / impl->surface_scale);
finish_drag (mv_resize);
}
break;
case XI_ButtonRelease:
update_pos (mv_resize, xev->root_x / impl->surface_scale, xev->root_y / impl->surface_scale);
if (xev->detail == mv_resize->moveresize_button)
{
check_maximize (mv_resize,
xev->root_x / impl->surface_scale,
xev->root_y / impl->surface_scale);
finish_drag (mv_resize);
}
break;
default:
break;
}
}
break;
default:
break;
}
return TRUE;
}
gboolean
_gdk_x11_moveresize_configure_done (GdkDisplay *display,
GdkSurface *surface)
{
XEvent *tmp_event;
MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
if (!mv_resize || surface != mv_resize->moveresize_surface)
return FALSE;
if (mv_resize->moveresize_pending_event)
{
tmp_event = mv_resize->moveresize_pending_event;
mv_resize->moveresize_pending_event = NULL;
_gdk_x11_moveresize_handle_event (tmp_event);
g_free (tmp_event);
}
return TRUE;
}
static void
create_moveresize_surface (MoveResizeData *mv_resize,
guint32 timestamp)
{
GdkGrabStatus status;
g_assert (mv_resize->moveresize_emulation_surface == NULL);
mv_resize->moveresize_emulation_surface = gdk_surface_new_temp (mv_resize->display);
gdk_surface_show (mv_resize->moveresize_emulation_surface);
status = gdk_seat_grab (gdk_device_get_seat (mv_resize->device),
mv_resize->moveresize_emulation_surface,
GDK_SEAT_CAPABILITY_POINTER, FALSE,
NULL, NULL, NULL, NULL);
if (status != GDK_GRAB_SUCCESS)
{
/* If this fails, some other client has grabbed the surface
* already.
*/
finish_drag (mv_resize);
}
mv_resize->moveresize_process_time = 0;
}
/*
Calculate mv_resize->moveresize_orig_x and mv_resize->moveresize_orig_y
so that calling XMoveWindow with these coordinates will not move the
surface.
Note that this depends on the WM to implement ICCCM-compliant reference
point handling.
*/
static void
calculate_unmoving_origin (MoveResizeData *mv_resize)
{
GdkRectangle rect;
gint width, height;
if (mv_resize->moveresize_geom_mask & GDK_HINT_WIN_GRAVITY &&
mv_resize->moveresize_geometry.win_gravity == GDK_GRAVITY_STATIC)
{
gdk_surface_get_origin (mv_resize->moveresize_surface,
&mv_resize->moveresize_orig_x,
&mv_resize->moveresize_orig_y);
}
else
{
gdk_surface_get_frame_extents (mv_resize->moveresize_surface, &rect);
gdk_surface_get_geometry (mv_resize->moveresize_surface,
NULL, NULL, &width, &height);
switch (mv_resize->moveresize_geometry.win_gravity)
{
case GDK_GRAVITY_NORTH_WEST:
mv_resize->moveresize_orig_x = rect.x;
mv_resize->moveresize_orig_y = rect.y;
break;
case GDK_GRAVITY_NORTH:
mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2;
mv_resize->moveresize_orig_y = rect.y;
break;
case GDK_GRAVITY_NORTH_EAST:
mv_resize->moveresize_orig_x = rect.x + rect.width - width;
mv_resize->moveresize_orig_y = rect.y;
break;
case GDK_GRAVITY_WEST:
mv_resize->moveresize_orig_x = rect.x;
mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2;
break;
case GDK_GRAVITY_CENTER:
mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2;
mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2;
break;
case GDK_GRAVITY_EAST:
mv_resize->moveresize_orig_x = rect.x + rect.width - width;
mv_resize->moveresize_orig_y = rect.y + rect.height / 2 - height / 2;
break;
case GDK_GRAVITY_SOUTH_WEST:
mv_resize->moveresize_orig_x = rect.x;
mv_resize->moveresize_orig_y = rect.y + rect.height - height;
break;
case GDK_GRAVITY_SOUTH:
mv_resize->moveresize_orig_x = rect.x + rect.width / 2 - width / 2;
mv_resize->moveresize_orig_y = rect.y + rect.height - height;
break;
case GDK_GRAVITY_SOUTH_EAST:
mv_resize->moveresize_orig_x = rect.x + rect.width - width;
mv_resize->moveresize_orig_y = rect.y + rect.height - height;
break;
case GDK_GRAVITY_STATIC:
default:
mv_resize->moveresize_orig_x = rect.x;
mv_resize->moveresize_orig_y = rect.y;
break;
}
}
}
static void
emulate_resize_drag (GdkSurface *surface,
GdkSurfaceEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
MoveResizeData *mv_resize = get_move_resize_data (GDK_SURFACE_DISPLAY (surface), TRUE);
if (mv_resize->moveresize_surface != NULL)
return; /* already a drag operation in progress */
mv_resize->is_resize = TRUE;
mv_resize->moveresize_button = button;
mv_resize->resize_edge = edge;
mv_resize->device = device;
mv_resize->moveresize_x = root_x;
mv_resize->moveresize_y = root_y;
mv_resize->moveresize_surface = g_object_ref (surface);
mv_resize->moveresize_orig_width = gdk_surface_get_width (surface);
mv_resize->moveresize_orig_height = gdk_surface_get_height (surface);
mv_resize->moveresize_geom_mask = 0;
gdk_surface_get_geometry_hints (surface,
&mv_resize->moveresize_geometry,
&mv_resize->moveresize_geom_mask);
calculate_unmoving_origin (mv_resize);
create_moveresize_surface (mv_resize, timestamp);
}
static void
emulate_move_drag (GdkSurface *surface,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
MoveResizeData *mv_resize = get_move_resize_data (GDK_SURFACE_DISPLAY (surface), TRUE);
if (mv_resize->moveresize_surface != NULL)
return; /* already a drag operation in progress */
mv_resize->is_resize = FALSE;
mv_resize->device = device;
mv_resize->moveresize_button = button;
mv_resize->moveresize_x = root_x;
mv_resize->moveresize_y = root_y;
mv_resize->moveresize_surface = g_object_ref (surface);
calculate_unmoving_origin (mv_resize);
create_moveresize_surface (mv_resize, timestamp);
}
static gboolean
_should_perform_ewmh_drag (GdkSurface *surface,
GdkDevice *device)
{
GdkPointerSurfaceInfo *info;
GdkDisplay *display;
display = gdk_surface_get_display (surface);
info = _gdk_display_get_pointer_info (display, device);
if ((!info->last_slave || gdk_device_get_source (info->last_slave) != GDK_SOURCE_TOUCHSCREEN) &&
gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_NET_WM_MOVERESIZE")))
return TRUE;
return FALSE;
}
static void
gdk_x11_surface_begin_resize_drag (GdkSurface *surface,
GdkSurfaceEdge edge,
GdkDevice *device,
gint button,
gint x,
gint y,
guint32 timestamp)
{
int root_x, root_y;
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
gdk_surface_x11_get_root_coords (surface, x, y, &root_x, &root_y);
/* Avoid EWMH for touch devices */
if (_should_perform_ewmh_drag (surface, device))
wmspec_resize_drag (surface, edge, device, button, root_x, root_y, timestamp);
else
emulate_resize_drag (surface, edge, device, button, root_x, root_y, timestamp);
}
static void
gdk_x11_surface_begin_move_drag (GdkSurface *surface,
GdkDevice *device,
gint button,
gint x,
gint y,
guint32 timestamp)
{
int root_x, root_y;
gint direction;
if (GDK_SURFACE_DESTROYED (surface) || !SURFACE_IS_TOPLEVEL (surface))
return;
if (button == 0)
direction = _NET_WM_MOVERESIZE_MOVE_KEYBOARD;
else
direction = _NET_WM_MOVERESIZE_MOVE;
gdk_surface_x11_get_root_coords (surface, x, y, &root_x, &root_y);
/* Avoid EWMH for touch devices */
if (_should_perform_ewmh_drag (surface, device))
wmspec_moveresize (surface, direction, device, button, root_x, root_y, timestamp);
else
emulate_move_drag (surface, device, button, root_x, root_y, timestamp);
}
static gboolean
gdk_x11_surface_beep (GdkSurface *surface)
{
GdkDisplay *display;
display = GDK_SURFACE_DISPLAY (surface);
#ifdef HAVE_XKB
if (GDK_X11_DISPLAY (display)->use_xkb)
{
XkbBell (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
0,
None);
return TRUE;
}
#endif
return FALSE;
}
static void
gdk_x11_surface_set_opacity (GdkSurface *surface,
gdouble opacity)
{
GdkDisplay *display;
gulong cardinal;
g_return_if_fail (GDK_IS_SURFACE (surface));
if (GDK_SURFACE_DESTROYED (surface) ||
!SURFACE_IS_TOPLEVEL (surface))
return;
display = gdk_surface_get_display (surface);
if (opacity < 0)
opacity = 0;
else if (opacity > 1)
opacity = 1;
cardinal = opacity * 0xffffffff;
if (cardinal == 0xffffffff)
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_OPACITY"));
else
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_OPACITY"),
XA_CARDINAL, 32,
PropModeReplace,
(guchar *) &cardinal, 1);
}
static Bool
timestamp_predicate (Display *display,
XEvent *xevent,
XPointer arg)
{
Window xwindow = GPOINTER_TO_UINT (arg);
GdkDisplay *gdk_display = gdk_x11_lookup_xdisplay (display);
if (xevent->type == PropertyNotify &&
xevent->xproperty.window == xwindow &&
xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (gdk_display,
"GDK_TIMESTAMP_PROP"))
return True;
return False;
}
/**
* gdk_x11_get_server_time:
* @surface: (type GdkX11Surface): a #GdkSurface, used for communication
* with the server. The surface must have
* GDK_PROPERTY_CHANGE_MASK in its events mask or a hang will
* result.
*
* Routine to get the current X server time stamp.
*
* Returns: the time stamp.
**/
guint32
gdk_x11_get_server_time (GdkSurface *surface)
{
Display *xdisplay;
Window xwindow;
guchar c = 'a';
XEvent xevent;
Atom timestamp_prop_atom;
g_return_val_if_fail (GDK_IS_SURFACE (surface), 0);
g_return_val_if_fail (!GDK_SURFACE_DESTROYED (surface), 0);
xdisplay = GDK_SURFACE_XDISPLAY (surface);
xwindow = GDK_SURFACE_XID (surface);
timestamp_prop_atom =
gdk_x11_get_xatom_by_name_for_display (GDK_SURFACE_DISPLAY (surface),
"GDK_TIMESTAMP_PROP");
XChangeProperty (xdisplay, xwindow, timestamp_prop_atom,
timestamp_prop_atom,
8, PropModeReplace, &c, 1);
XIfEvent (xdisplay, &xevent,
timestamp_predicate, GUINT_TO_POINTER(xwindow));
return xevent.xproperty.time;
}
/**
* gdk_x11_surface_get_xid:
* @surface: (type GdkX11Surface): a native #GdkSurface.
*
* Returns the X resource (surface) belonging to a #GdkSurface.
*
* Returns: the ID of @drawable’s X resource.
**/
XID
gdk_x11_surface_get_xid (GdkSurface *surface)
{
if (!GDK_SURFACE_IS_X11 (surface) ||
!_gdk_surface_has_impl (surface))
{
g_warning (G_STRLOC " drawable is not a native X11 window");
return None;
}
return GDK_SURFACE_IMPL_X11 (surface->impl)->xid;
}
static gint
gdk_x11_surface_get_scale_factor (GdkSurface *surface)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
if (GDK_SURFACE_DESTROYED (surface))
return 1;
return impl->surface_scale;
}
/**
* gdk_x11_surface_set_frame_sync_enabled:
* @surface: (type GdkX11Surface): a native #GdkSurface
* @frame_sync_enabled: whether frame-synchronization should be enabled
*
* This function can be used to disable frame synchronization for a surface.
* Normally frame synchronziation will be enabled or disabled based on whether
* the system has a compositor that supports frame synchronization, but if
* the surface is not directly managed by the window manager, then frame
* synchronziation may need to be disabled. This is the case for a surface
* embedded via the XEMBED protocol.
*/
void
gdk_x11_surface_set_frame_sync_enabled (GdkSurface *surface,
gboolean frame_sync_enabled)
{
if (!GDK_SURFACE_IS_X11 (surface) ||
!_gdk_surface_has_impl (surface))
{
g_warning (G_STRLOC " drawable is not a native X11 window");
return;
}
GDK_SURFACE_IMPL_X11 (surface->impl)->frame_sync_enabled = FALSE;
}
static void
gdk_x11_surface_set_opaque_region (GdkSurface *surface,
cairo_region_t *region)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
GdkDisplay *display;
int nitems;
gulong *data;
if (GDK_SURFACE_DESTROYED (surface))
return;
if (region != NULL)
{
int i, nrects;
nrects = cairo_region_num_rectangles (region);
nitems = nrects * 4;
data = g_new (gulong, nitems);
for (i = 0; i < nrects; i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (region, i, &rect);
data[i*4+0] = rect.x * impl->surface_scale;
data[i*4+1] = rect.y * impl->surface_scale;
data[i*4+2] = rect.width * impl->surface_scale;
data[i*4+3] = rect.height * impl->surface_scale;
}
}
else
{
nitems = 0;
data = NULL;
}
display = gdk_surface_get_display (surface);
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_SURFACE_XID (surface),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_OPAQUE_REGION"),
XA_CARDINAL, 32, PropModeReplace,
(guchar *) data, nitems);
g_free (data);
}
static gboolean
gdk_x11_surface_show_window_menu (GdkSurface *surface,
GdkEvent *event)
{
GdkSurfaceImplX11 *impl = GDK_SURFACE_IMPL_X11 (surface->impl);
GdkDisplay *display = GDK_SURFACE_DISPLAY (surface);
GdkDevice *device;
int device_id;
double x_root, y_root;
XClientMessageEvent xclient = { 0 };
switch ((guint) event->any.type)
{
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
break;
default:
return FALSE;
}
if (!gdk_x11_screen_supports_net_wm_hint (GDK_SURFACE_SCREEN (surface),
g_intern_static_string ("_GTK_SHOW_WINDOW_MENU")))
return FALSE;
gdk_event_get_root_coords (event, &x_root, &y_root);
device = gdk_event_get_device (event);
g_object_get (G_OBJECT (device),
"device-id", &device_id,
NULL);
/* Ungrab the implicit grab */
gdk_seat_ungrab (gdk_device_get_seat (device));
xclient.type = ClientMessage;
xclient.window = GDK_SURFACE_XID (surface);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_GTK_SHOW_WINDOW_MENU");
xclient.data.l[0] = device_id;
xclient.data.l[1] = x_root * impl->surface_scale;
xclient.data.l[2] = y_root * impl->surface_scale;
xclient.format = 32;
XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_SURFACE_XROOTWIN (surface), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
return TRUE;
}
static void
gdk_surface_impl_x11_class_init (GdkSurfaceImplX11Class *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkSurfaceImplClass *impl_class = GDK_SURFACE_IMPL_CLASS (klass);
object_class->finalize = gdk_surface_impl_x11_finalize;
impl_class->show = gdk_surface_x11_show;
impl_class->hide = gdk_surface_x11_hide;
impl_class->withdraw = gdk_surface_x11_withdraw;
impl_class->raise = gdk_surface_x11_raise;
impl_class->lower = gdk_surface_x11_lower;
impl_class->restack_toplevel = gdk_surface_x11_restack_toplevel;
impl_class->move_resize = gdk_surface_x11_move_resize;
impl_class->get_geometry = gdk_surface_x11_get_geometry;
impl_class->get_root_coords = gdk_surface_x11_get_root_coords;
impl_class->get_device_state = gdk_surface_x11_get_device_state;
impl_class->input_shape_combine_region = gdk_surface_x11_input_shape_combine_region;
impl_class->destroy = gdk_x11_surface_destroy;
impl_class->beep = gdk_x11_surface_beep;
impl_class->focus = gdk_x11_surface_focus;
impl_class->set_type_hint = gdk_x11_surface_set_type_hint;
impl_class->get_type_hint = gdk_x11_surface_get_type_hint;
impl_class->set_modal_hint = gdk_x11_surface_set_modal_hint;
impl_class->set_geometry_hints = gdk_x11_surface_set_geometry_hints;
impl_class->set_title = gdk_x11_surface_set_title;
impl_class->set_startup_id = gdk_x11_surface_set_startup_id;
impl_class->set_transient_for = gdk_x11_surface_set_transient_for;
impl_class->get_frame_extents = gdk_x11_surface_get_frame_extents;
impl_class->set_accept_focus = gdk_x11_surface_set_accept_focus;
impl_class->set_focus_on_map = gdk_x11_surface_set_focus_on_map;
impl_class->set_icon_list = gdk_x11_surface_set_icon_list;
impl_class->set_icon_name = gdk_x11_surface_set_icon_name;
impl_class->iconify = gdk_x11_surface_iconify;
impl_class->deiconify = gdk_x11_surface_deiconify;
impl_class->stick = gdk_x11_surface_stick;
impl_class->unstick = gdk_x11_surface_unstick;
impl_class->maximize = gdk_x11_surface_maximize;
impl_class->unmaximize = gdk_x11_surface_unmaximize;
impl_class->fullscreen = gdk_x11_surface_fullscreen;
impl_class->fullscreen_on_monitor = gdk_x11_surface_fullscreen_on_monitor;
impl_class->apply_fullscreen_mode = gdk_x11_surface_apply_fullscreen_mode;
impl_class->unfullscreen = gdk_x11_surface_unfullscreen;
impl_class->set_keep_above = gdk_x11_surface_set_keep_above;
impl_class->set_keep_below = gdk_x11_surface_set_keep_below;
impl_class->set_decorations = gdk_x11_surface_set_decorations;
impl_class->get_decorations = gdk_x11_surface_get_decorations;
impl_class->set_functions = gdk_x11_surface_set_functions;
impl_class->begin_resize_drag = gdk_x11_surface_begin_resize_drag;
impl_class->begin_move_drag = gdk_x11_surface_begin_move_drag;
impl_class->set_opacity = gdk_x11_surface_set_opacity;
impl_class->destroy_notify = gdk_x11_surface_destroy_notify;
impl_class->register_dnd = _gdk_x11_surface_register_dnd;
impl_class->drag_begin = _gdk_x11_surface_drag_begin;
impl_class->get_scale_factor = gdk_x11_surface_get_scale_factor;
impl_class->set_opaque_region = gdk_x11_surface_set_opaque_region;
impl_class->set_shadow_width = gdk_x11_surface_set_shadow_width;
impl_class->show_window_menu = gdk_x11_surface_show_window_menu;
impl_class->create_gl_context = gdk_x11_surface_create_gl_context;
impl_class->get_unscaled_size = gdk_x11_surface_get_unscaled_size;
impl_class->supports_edge_constraints = gdk_x11_surface_supports_edge_constraints;
}
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