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gdkwindow-x11.c
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gdkwindow-x11.c
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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 "gdkwindow-x11.h"
#include "gdkwindow.h"
#include "gdkwindowimpl.h"
#include "gdkvisualprivate.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 "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_window_apply_fullscreen_mode (GdkWindow *window);
static gboolean gdk_window_icon_name_set (GdkWindow *window);
static void set_wm_name (GdkDisplay *display,
Window xwindow,
const gchar *name);
static void move_to_current_desktop (GdkWindow *window);
static void gdk_window_x11_set_background (GdkWindow *window,
cairo_pattern_t *pattern);
static void gdk_window_impl_x11_finalize (GObject *object);
#define WINDOW_IS_TOPLEVEL_OR_FOREIGN(window) \
(GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL || \
GDK_WINDOW_TYPE (window) == GDK_WINDOW_TEMP || \
GDK_WINDOW_TYPE (window) == GDK_WINDOW_FOREIGN)
#define WINDOW_IS_TOPLEVEL(window) \
(GDK_WINDOW_TYPE (window) == GDK_WINDOW_TOPLEVEL || \
GDK_WINDOW_TYPE (window) == GDK_WINDOW_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 _GdkX11Window {
GdkWindow parent;
};
struct _GdkX11WindowClass {
GdkWindowClass parent_class;
};
G_DEFINE_TYPE (GdkX11Window, gdk_x11_window, GDK_TYPE_WINDOW)
static void
gdk_x11_window_class_init (GdkX11WindowClass *x11_window_class)
{
}
static void
gdk_x11_window_init (GdkX11Window *x11_window)
{
}
G_DEFINE_TYPE (GdkWindowImplX11, gdk_window_impl_x11, GDK_TYPE_WINDOW_IMPL)
static void
gdk_window_impl_x11_init (GdkWindowImplX11 *impl)
{
impl->device_cursor = g_hash_table_new_full (NULL, NULL,
NULL, g_object_unref);
impl->window_scale = 1;
impl->frame_sync_enabled = TRUE;
}
GdkToplevelX11 *
_gdk_x11_window_get_toplevel (GdkWindow *window)
{
GdkWindowImplX11 *impl;
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
if (!WINDOW_IS_TOPLEVEL (window))
return NULL;
impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (!impl->toplevel)
{
impl->toplevel = g_new0 (GdkToplevelX11, 1);
impl->toplevel->have_focused = TRUE;
}
return impl->toplevel;
}
/**
* _gdk_x11_window_update_size:
* @impl: a #GdkWindowImplX11.
*
* Updates the state of the window (in particular the drawable's
* cairo surface) when its size has changed.
**/
void
_gdk_x11_window_update_size (GdkWindowImplX11 *impl)
{
if (impl->cairo_surface)
{
cairo_xlib_surface_set_size (impl->cairo_surface,
impl->unscaled_width, impl->unscaled_height);
}
}
void
gdk_x11_window_get_unscaled_size (GdkWindow *window,
int *unscaled_width,
int *unscaled_height)
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (unscaled_width)
*unscaled_width = impl->unscaled_width;
if (unscaled_height)
*unscaled_height = impl->unscaled_height;
}
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);
}
static void
window_pre_damage (GdkWindow *window)
{
GdkWindow *toplevel_window = gdk_window_get_toplevel (window);
GdkWindowImplX11 *impl;
if (!toplevel_window || !WINDOW_IS_TOPLEVEL (toplevel_window))
return;
impl = GDK_WINDOW_IMPL_X11 (toplevel_window->impl);
if (impl->toplevel->in_frame &&
impl->toplevel->current_counter_value % 2 == 0)
{
impl->toplevel->current_counter_value += 1;
set_sync_counter (GDK_WINDOW_XDISPLAY (impl->wrapper),
impl->toplevel->extended_update_counter,
impl->toplevel->current_counter_value);
}
}
static void
on_surface_changed (void *data)
{
GdkWindow *window = data;
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (impl->tracking_damage)
window_pre_damage (window);
}
/* 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 (GdkWindow *window)
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
/* The hooking we do below doesn't work if we're rendering with
* OpenGL (the cairo surface is not touched) so just always
* do the frame.
*/
if (window->current_paint.use_gl)
{
window_pre_damage (window);
return;
}
if (impl->cairo_surface)
{
cairo_surface_set_mime_data (impl->cairo_surface,
"x-gdk/change-notify",
(unsigned char *)"X",
1,
on_surface_changed,
window);
impl->tracking_damage = 1;
}
}
static void
unhook_surface_changed (GdkWindow *window)
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->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_window_predict_presentation_time (GdkWindow *window)
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
GdkFrameClock *clock;
GdkFrameTimings *timings;
gint64 presentation_time;
gint64 refresh_interval;
if (!WINDOW_IS_TOPLEVEL (window))
return;
clock = gdk_window_get_frame_clock (window);
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_window_begin_frame (GdkWindow *window,
gboolean force_frame)
{
GdkWindowImplX11 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (!WINDOW_IS_TOPLEVEL (window) ||
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;
window_pre_damage (window);
}
else if (force_frame)
{
/* When mapping the window, we really want to freeze the
rendering of the window by the compositor until we've
actually painted something into the window's buffer. */
window_pre_damage (window);
}
else
{
hook_surface_changed (window);
}
}
static void
gdk_x11_window_end_frame (GdkWindow *window)
{
GdkFrameClock *clock;
GdkFrameTimings *timings;
GdkWindowImplX11 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (!WINDOW_IS_TOPLEVEL (window) ||
impl->toplevel->extended_update_counter == None ||
!impl->toplevel->in_frame)
return;
clock = gdk_window_get_frame_clock (window);
timings = gdk_frame_clock_get_current_timings (clock);
impl->toplevel->in_frame = FALSE;
if (impl->toplevel->current_counter_value % 2 == 1)
{
#ifdef G_ENABLE_DEBUG
if (GDK_DEBUG_CHECK (FRAMES))
{
XImage *image = XGetImage (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
0, 0, 1, 1,
(1 << 24) - 1,
ZPixmap);
XDestroyImage (image);
}
#endif /* G_ENABLE_DEBUG */
/* 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_WINDOW_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_window_get_screen (window),
gdk_atom_intern_static_string ("_NET_WM_FRAME_DRAWN")))
{
impl->toplevel->frame_pending = TRUE;
_gdk_frame_clock_freeze (gdk_window_get_frame_clock (window));
timings->cookie = impl->toplevel->current_counter_value;
}
}
unhook_surface_changed (window);
if (impl->toplevel->configure_counter_value != 0 &&
!impl->toplevel->configure_counter_value_is_extended)
{
set_sync_counter (GDK_WINDOW_XDISPLAY (window),
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 cairo_surface_t *
gdk_x11_create_cairo_surface (GdkWindowImplX11 *impl,
int width,
int height)
{
GdkVisual *visual;
visual = gdk_window_get_visual (impl->wrapper);
return cairo_xlib_surface_create (GDK_WINDOW_XDISPLAY (impl->wrapper),
GDK_WINDOW_IMPL_X11 (impl)->xid,
GDK_VISUAL_XVISUAL (visual),
width, height);
}
static cairo_surface_t *
gdk_x11_ref_cairo_surface (GdkWindow *window)
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
if (GDK_WINDOW_DESTROYED (window))
return NULL;
if (!impl->cairo_surface)
{
impl->cairo_surface = gdk_x11_create_cairo_surface (impl,
gdk_window_get_width (window) * impl->window_scale,
gdk_window_get_height (window) * impl->window_scale);
cairo_surface_set_device_scale (impl->cairo_surface, impl->window_scale, impl->window_scale);
if (WINDOW_IS_TOPLEVEL (window) && impl->toplevel->in_frame)
hook_surface_changed (window);
}
cairo_surface_reference (impl->cairo_surface);
return impl->cairo_surface;
}
static void
gdk_window_impl_x11_finalize (GObject *object)
{
GdkWindow *wrapper;
GdkWindowImplX11 *impl;
g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (object));
impl = GDK_WINDOW_IMPL_X11 (object);
wrapper = impl->wrapper;
if (WINDOW_IS_TOPLEVEL (wrapper) && impl->toplevel->in_frame)
unhook_surface_changed (wrapper);
_gdk_x11_window_grab_check_destroy (wrapper);
if (!GDK_WINDOW_DESTROYED (wrapper))
{
GdkDisplay *display = GDK_WINDOW_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_hash_table_destroy (impl->device_cursor);
G_OBJECT_CLASS (gdk_window_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_window_create_bitmap_surface (GdkWindow *window,
int width,
int height)
{
cairo_surface_t *surface;
Pixmap pixmap;
pixmap = XCreatePixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
width, height, 1);
surface = cairo_xlib_surface_create_for_bitmap (GDK_WINDOW_XDISPLAY (window),
pixmap,
GDK_X11_SCREEN (GDK_WINDOW_SCREEN (window))->xscreen,
width, height);
attach_free_pixmap_handler (surface, GDK_WINDOW_DISPLAY (window), pixmap);
return surface;
}
/* Create a surface backed with a pixmap without alpha on the same screen as window */
static cairo_surface_t *
gdk_x11_window_create_pixmap_surface (GdkWindow *window,
int width,
int height)
{
GdkScreen *screen = gdk_window_get_screen (window);
GdkVisual *visual = gdk_screen_get_system_visual (screen);
cairo_surface_t *surface;
Pixmap pixmap;
pixmap = XCreatePixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
width, height,
gdk_visual_get_depth (visual));
surface = cairo_xlib_surface_create (GDK_WINDOW_XDISPLAY (window),
pixmap,
GDK_VISUAL_XVISUAL (visual),
width, height);
attach_free_pixmap_handler (surface, GDK_WINDOW_DISPLAY (window), pixmap);
return surface;
}
static void
tmp_unset_bg (GdkWindow *window)
{
GdkWindowImplX11 *impl;
impl = GDK_WINDOW_IMPL_X11 (window->impl);
impl->no_bg = TRUE;
XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), None);
}
static void
tmp_reset_bg (GdkWindow *window)
{
GdkWindowImplX11 *impl;
impl = GDK_WINDOW_IMPL_X11 (window->impl);
impl->no_bg = FALSE;
gdk_window_x11_set_background (window, window->background);
}
/* Unsetting and resetting window backgrounds.
*
* In many cases it is possible to avoid flicker by unsetting the
* background of windows. For example if the background of the
* parent window is unset when a window is unmapped, a brief flicker
* of background painting is avoided.
*/
void
_gdk_x11_window_tmp_unset_bg (GdkWindow *window,
gboolean recurse)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (window->input_only || window->destroyed ||
(window->window_type != GDK_WINDOW_ROOT &&
!GDK_WINDOW_IS_MAPPED (window)))
return;
if (_gdk_window_has_impl (window) &&
GDK_WINDOW_IS_X11 (window) &&
window->window_type != GDK_WINDOW_ROOT &&
window->window_type != GDK_WINDOW_FOREIGN)
tmp_unset_bg (window);
if (recurse)
{
GList *l;
for (l = window->children; l != NULL; l = l->next)
_gdk_x11_window_tmp_unset_bg (l->data, TRUE);
}
}
void
_gdk_x11_window_tmp_unset_parent_bg (GdkWindow *window)
{
if (GDK_WINDOW_TYPE (window->parent) == GDK_WINDOW_ROOT)
return;
window = _gdk_window_get_impl_window (window->parent);
_gdk_x11_window_tmp_unset_bg (window, FALSE);
}
void
_gdk_x11_window_tmp_reset_bg (GdkWindow *window,
gboolean recurse)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (window->input_only || window->destroyed ||
(window->window_type != GDK_WINDOW_ROOT &&
!GDK_WINDOW_IS_MAPPED (window)))
return;
if (_gdk_window_has_impl (window) &&
GDK_WINDOW_IS_X11 (window) &&
window->window_type != GDK_WINDOW_ROOT &&
window->window_type != GDK_WINDOW_FOREIGN)
tmp_reset_bg (window);
if (recurse)
{
GList *l;
for (l = window->children; l != NULL; l = l->next)
_gdk_x11_window_tmp_reset_bg (l->data, TRUE);
}
}
void
_gdk_x11_window_tmp_reset_parent_bg (GdkWindow *window)
{
if (GDK_WINDOW_TYPE (window->parent) == GDK_WINDOW_ROOT)
return;
window = _gdk_window_get_impl_window (window->parent);
_gdk_x11_window_tmp_reset_bg (window, FALSE);
}
void
_gdk_x11_screen_init_root_window (GdkScreen *screen)
{
GdkWindow *window;
GdkWindowImplX11 *impl;
GdkX11Screen *x11_screen;
x11_screen = GDK_X11_SCREEN (screen);
g_assert (x11_screen->root_window == NULL);
window = x11_screen->root_window = _gdk_display_create_window (gdk_screen_get_display (screen));
window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_X11, NULL);
window->impl_window = window;
window->visual = gdk_screen_get_system_visual (screen);
impl = GDK_WINDOW_IMPL_X11 (window->impl);
impl->xid = x11_screen->xroot_window;
impl->wrapper = window;
impl->window_scale = x11_screen->window_scale;
window->window_type = GDK_WINDOW_ROOT;
window->depth = DefaultDepthOfScreen (x11_screen->xscreen);
window->x = 0;
window->y = 0;
window->abs_x = 0;
window->abs_y = 0;
impl->unscaled_width = WidthOfScreen (x11_screen->xscreen);
impl->unscaled_height = HeightOfScreen (x11_screen->xscreen);
window->width = WidthOfScreen (x11_screen->xscreen) / impl->window_scale;
window->height = HeightOfScreen (x11_screen->xscreen) / impl->window_scale;
window->viewable = TRUE;
/* see init_randr_support() in gdkscreen-x11.c */
window->event_mask = GDK_STRUCTURE_MASK;
_gdk_window_update_size (x11_screen->root_window);
_gdk_x11_display_add_window (x11_screen->display,
&x11_screen->xroot_window,
x11_screen->root_window);
}
static void
set_wm_protocols (GdkWindow *window)
{
GdkDisplay *display = gdk_window_get_display (window);
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_WINDOW_XID (window), 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 (GdkWindow *window)
{
#ifdef HAVE_XSYNC
if (!GDK_WINDOW_DESTROYED (window))
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
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_WINDOW_XID (window),
atom, XA_CARDINAL,
32, PropModeReplace,
(guchar *)counters, 2);
toplevel->current_counter_value = 0;
}
}
#endif
}
static void
setup_toplevel_window (GdkWindow *window,
GdkWindow *parent)
{
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (window->impl);
GdkDisplay *display = gdk_window_get_display (window);
Display *xdisplay = GDK_WINDOW_XDISPLAY (window);
XID xid = GDK_WINDOW_XID (window);
GdkX11Screen *x11_screen = GDK_X11_SCREEN (GDK_WINDOW_SCREEN (parent));
XSizeHints size_hints;
Window leader_window;
set_wm_protocols (window);
if (!window->input_only)
{
/* The focus window is off the visible area, and serves to receive key
* press events so they don't get sent to child windows.
*/
toplevel->focus_window = create_focus_window (display, xid);
_gdk_x11_display_add_window (x11_screen->display,
&toplevel->focus_window,
window);
}
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 = window->width * impl->window_scale;
size_hints.height = window->height * impl->window_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 (!window->focus_on_map)
gdk_x11_window_set_user_time (window, 0);
else if (GDK_X11_DISPLAY (x11_screen->display)->user_time != 0)
gdk_x11_window_set_user_time (window, GDK_X11_DISPLAY (x11_screen->display)->user_time);
ensure_sync_counter (window);
/* Start off in a frozen state - we'll finish this when we first paint */
gdk_x11_window_begin_frame (window, TRUE);
}
static void
on_frame_clock_before_paint (GdkFrameClock *clock,
GdkWindow *window)
{
gdk_x11_window_predict_presentation_time (window);
gdk_x11_window_begin_frame (window, FALSE);
}
static void
on_frame_clock_after_paint (GdkFrameClock *clock,
GdkWindow *window)
{
gdk_x11_window_end_frame (window);
}
static void
connect_frame_clock (GdkWindow *window)
{
GdkWindowImplX11 *impl;