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gtk2/gdk/x11/gdkwindow-x11.c
Benjamin Otte 22d28ef47d x11: Don't set ParentRelative if the parent's visual is different 
It's like 82e6e32c, but when a pattern is given as argument.

https://bugzilla.gnome.org/show_bug.cgi?id=632218
2010-10-15 17:10:05 +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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* 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 "gdkx.h"
#include "gdkwindow.h"
#include "gdkwindowimpl.h"
#include "gdkasync.h"
#include "gdkdisplay-x11.h"
#include "gdkprivate-x11.h"
#include "gdkinternals.h"
#include "gdkdeviceprivate.h"
#include "gdkeventsource.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_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 int _gdk_nenvent_masks = sizeof (_gdk_event_mask_table) / sizeof (int);
/* Forward declarations */
static void gdk_window_set_static_win_gravity (GdkWindow *window,
gboolean on);
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);
static void gdk_window_impl_iface_init (GdkWindowImplIface *iface);
#define WINDOW_IS_TOPLEVEL_OR_FOREIGN(window) \
(GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
#define WINDOW_IS_TOPLEVEL(window) \
(GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
/* 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 )) \
)
G_DEFINE_TYPE_WITH_CODE (GdkWindowImplX11,
gdk_window_impl_x11,
GDK_TYPE_DRAWABLE_IMPL_X11,
G_IMPLEMENT_INTERFACE (GDK_TYPE_WINDOW_IMPL,
gdk_window_impl_iface_init));
GType
_gdk_window_impl_get_type (void)
{
return gdk_window_impl_x11_get_type ();
}
static void
gdk_window_impl_x11_init (GdkWindowImplX11 *impl)
{
impl->toplevel_window_type = -1;
impl->device_cursor = g_hash_table_new_full (NULL, NULL, NULL,
(GDestroyNotify) gdk_cursor_unref);
}
GdkToplevelX11 *
_gdk_x11_window_get_toplevel (GdkWindow *window)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
if (!WINDOW_IS_TOPLEVEL (window))
return NULL;
private = (GdkWindowObject *)window;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (!impl->toplevel)
impl->toplevel = g_new0 (GdkToplevelX11, 1);
return impl->toplevel;
}
static void
gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gdk_window_impl_x11_finalize;
}
static void
gdk_window_impl_x11_finalize (GObject *object)
{
GdkWindowObject *wrapper;
GdkDrawableImplX11 *draw_impl;
GdkWindowImplX11 *window_impl;
g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (object));
draw_impl = GDK_DRAWABLE_IMPL_X11 (object);
window_impl = GDK_WINDOW_IMPL_X11 (object);
wrapper = (GdkWindowObject*) draw_impl->wrapper;
_gdk_xgrab_check_destroy (GDK_WINDOW (wrapper));
if (!GDK_WINDOW_DESTROYED (wrapper))
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (wrapper);
_gdk_xid_table_remove (display, draw_impl->xid);
if (window_impl->toplevel && window_impl->toplevel->focus_window)
_gdk_xid_table_remove (display, window_impl->toplevel->focus_window);
}
g_free (window_impl->toplevel);
if (window_impl->cursor)
gdk_cursor_unref (window_impl->cursor);
g_hash_table_destroy (window_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_SCREEN_XSCREEN (GDK_WINDOW_SCREEN (window)),
width, height);
attach_free_pixmap_handler (surface, GDK_WINDOW_DISPLAY (window), pixmap);
return surface;
}
static cairo_surface_t *
gdk_x11_window_create_pixmap_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,
DefaultDepthOfScreen (GDK_SCREEN_XSCREEN (GDK_WINDOW_SCREEN (window))));
surface = cairo_xlib_surface_create (GDK_WINDOW_XDISPLAY (window),
pixmap,
GDK_VISUAL_XVISUAL (gdk_window_get_visual (window)),
width, height);
attach_free_pixmap_handler (surface, GDK_WINDOW_DISPLAY (window), pixmap);
return surface;
}
static void
tmp_unset_bg (GdkWindow *window)
{
GdkWindowImplX11 *impl;
GdkWindowObject *obj;
obj = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_X11 (obj->impl);
impl->no_bg = TRUE;
XSetWindowBackgroundPixmap (GDK_DRAWABLE_XDISPLAY (window),
GDK_DRAWABLE_XID (window), None);
}
static void
tmp_reset_bg (GdkWindow *window)
{
GdkWindowImplX11 *impl;
GdkWindowObject *obj;
obj = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_X11 (obj->impl);
impl->no_bg = FALSE;
gdk_window_x11_set_background (window, obj->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)
{
GdkWindowObject *private;
g_return_if_fail (GDK_IS_WINDOW (window));
private = (GdkWindowObject *)window;
if (private->input_only || private->destroyed ||
(private->window_type != GDK_WINDOW_ROOT &&
!GDK_WINDOW_IS_MAPPED (window)))
return;
if (_gdk_window_has_impl (window) &&
GDK_WINDOW_IS_X11 (window) &&
private->window_type != GDK_WINDOW_ROOT &&
private->window_type != GDK_WINDOW_FOREIGN)
tmp_unset_bg (window);
if (recurse)
{
GList *l;
for (l = private->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)
{
GdkWindowObject *private;
private = (GdkWindowObject*) window;
if (GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_ROOT)
return;
window = _gdk_window_get_impl_window ((GdkWindow *)private->parent);
_gdk_x11_window_tmp_unset_bg (window, FALSE);
}
void
_gdk_x11_window_tmp_reset_bg (GdkWindow *window,
gboolean recurse)
{
GdkWindowObject *private;
g_return_if_fail (GDK_IS_WINDOW (window));
private = (GdkWindowObject *)window;
if (private->input_only || private->destroyed ||
(private->window_type != GDK_WINDOW_ROOT &&
!GDK_WINDOW_IS_MAPPED (window)))
return;
if (_gdk_window_has_impl (window) &&
GDK_WINDOW_IS_X11 (window) &&
private->window_type != GDK_WINDOW_ROOT &&
private->window_type != GDK_WINDOW_FOREIGN)
tmp_reset_bg (window);
if (recurse)
{
GList *l;
for (l = private->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)
{
GdkWindowObject *private;
private = (GdkWindowObject*) window;
if (GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_ROOT)
return;
window = _gdk_window_get_impl_window ((GdkWindow *)private->parent);
_gdk_x11_window_tmp_reset_bg (window, FALSE);
}
void
_gdk_windowing_window_init (GdkScreen * screen)
{
GdkWindowObject *private;
GdkDrawableImplX11 *draw_impl;
GdkScreenX11 *screen_x11;
screen_x11 = GDK_SCREEN_X11 (screen);
g_assert (screen_x11->root_window == NULL);
screen_x11->root_window = g_object_new (GDK_TYPE_WINDOW, NULL);
private = (GdkWindowObject *) screen_x11->root_window;
private->impl = g_object_new (_gdk_window_impl_get_type (), NULL);
private->impl_window = private;
private->visual = gdk_screen_get_system_visual (screen);
draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
draw_impl->screen = screen;
draw_impl->xid = screen_x11->xroot_window;
draw_impl->wrapper = GDK_DRAWABLE (private);
private->window_type = GDK_WINDOW_ROOT;
private->depth = DefaultDepthOfScreen (screen_x11->xscreen);
private->x = 0;
private->y = 0;
private->abs_x = 0;
private->abs_y = 0;
private->width = WidthOfScreen (screen_x11->xscreen);
private->height = HeightOfScreen (screen_x11->xscreen);
private->viewable = TRUE;
/* see init_randr_support() in gdkscreen-x11.c */
private->event_mask = GDK_STRUCTURE_MASK;
_gdk_window_update_size (screen_x11->root_window);
_gdk_xid_table_insert (screen_x11->display,
&screen_x11->xroot_window,
screen_x11->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_DISPLAY_X11 (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)
{
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (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)
{
GdkDisplayX11 *display_x11;
GdkEventMask event_mask;
Display *xdisplay;
Window focus_window;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
display_x11 = GDK_DISPLAY_X11 (display);
focus_window = XCreateSimpleWindow (xdisplay, parent,
-1, -1, 1, 1, 0,
0, 0);
/* FIXME: probably better to actually track the requested event mask for the toplevel
*/
event_mask = (GDK_KEY_PRESS_MASK |
GDK_KEY_RELEASE_MASK |
GDK_FOCUS_CHANGE_MASK);
gdk_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);
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (toplevel && impl->use_synchronized_configure &&
toplevel->update_counter == None &&
GDK_DISPLAY_X11 (display)->use_sync)
{
Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
XSyncValue value;
Atom atom;
XSyncIntToValue (&value, 0);
toplevel->update_counter = XSyncCreateCounter (xdisplay, value);
atom = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_SYNC_REQUEST_COUNTER");
XChangeProperty (xdisplay, GDK_WINDOW_XID (window),
atom, XA_CARDINAL,
32, PropModeReplace,
(guchar *)&toplevel->update_counter, 1);
XSyncIntToValue (&toplevel->current_counter_value, 0);
}
}
#endif
}
static void
setup_toplevel_window (GdkWindow *window,
GdkWindow *parent)
{
GdkWindowObject *obj = (GdkWindowObject *)window;
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
GdkDisplay *display = gdk_window_get_display (window);
Display *xdisplay = GDK_WINDOW_XDISPLAY (window);
XID xid = GDK_WINDOW_XID (window);
GdkScreenX11 *screen_x11 = GDK_SCREEN_X11 (GDK_WINDOW_SCREEN (parent));
XSizeHints size_hints;
long pid;
Window leader_window;
set_wm_protocols (window);
if (!obj->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_xid_table_insert (screen_x11->display, &toplevel->focus_window, window);
}
check_leader_window_title (screen_x11->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 = obj->width;
size_hints.height = obj->height;
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);
pid = getpid ();
XChangeProperty (xdisplay, xid,
gdk_x11_get_xatom_by_name_for_display (screen_x11->display, "_NET_WM_PID"),
XA_CARDINAL, 32,
PropModeReplace,
(guchar *)&pid, 1);
leader_window = GDK_DISPLAY_X11 (screen_x11->display)->leader_window;
if (!leader_window)
leader_window = xid;
XChangeProperty (xdisplay, xid,
gdk_x11_get_xatom_by_name_for_display (screen_x11->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 (screen_x11->display, "_NET_WM_USER_TIME_WINDOW"),
XA_WINDOW, 32, PropModeReplace,
(guchar *) &toplevel->focus_window, 1);
if (!obj->focus_on_map)
gdk_x11_window_set_user_time (window, 0);
else if (GDK_DISPLAY_X11 (screen_x11->display)->user_time != 0)
gdk_x11_window_set_user_time (window, GDK_DISPLAY_X11 (screen_x11->display)->user_time);
ensure_sync_counter (window);
}
void
_gdk_window_impl_new (GdkWindow *window,
GdkWindow *real_parent,
GdkScreen *screen,
GdkEventMask event_mask,
GdkWindowAttr *attributes,
gint attributes_mask)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
GdkDrawableImplX11 *draw_impl;
GdkScreenX11 *screen_x11;
GdkDisplayX11 *display_x11;
Window xparent;
Visual *xvisual;
Display *xdisplay;
Window xid;
XSetWindowAttributes xattributes;
long xattributes_mask;
XClassHint *class_hint;
unsigned int class;
const char *title;
private = (GdkWindowObject *) window;
screen_x11 = GDK_SCREEN_X11 (screen);
xparent = GDK_WINDOW_XID (real_parent);
display_x11 = GDK_DISPLAY_X11 (GDK_SCREEN_DISPLAY (screen));
impl = g_object_new (_gdk_window_impl_get_type (), NULL);
private->impl = (GdkDrawable *)impl;
draw_impl = GDK_DRAWABLE_IMPL_X11 (impl);
draw_impl->wrapper = GDK_DRAWABLE (window);
draw_impl->screen = screen;
xdisplay = screen_x11->xdisplay;
xattributes_mask = 0;
xvisual = gdk_x11_visual_get_xvisual (private->visual);
if (attributes_mask & GDK_WA_NOREDIR)
{
xattributes.override_redirect =
(attributes->override_redirect == FALSE)?False:True;
xattributes_mask |= CWOverrideRedirect;
}
else
xattributes.override_redirect = False;
impl->override_redirect = xattributes.override_redirect;
if (private->parent && private->parent->guffaw_gravity)
{
xattributes.win_gravity = StaticGravity;
xattributes_mask |= CWWinGravity;
}
/* Sanity checks */
switch (private->window_type)
{
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_TEMP:
if (GDK_WINDOW_TYPE (private->parent) != GDK_WINDOW_ROOT)
{
/* The common code warns for this case */
xparent = GDK_SCREEN_XROOTWIN (screen);
}
}
if (!private->input_only)
{
class = InputOutput;
xattributes.background_pixel = BlackPixel (xdisplay, screen_x11->screen_num);
xattributes.border_pixel = BlackPixel (xdisplay, screen_x11->screen_num);
xattributes_mask |= CWBorderPixel | CWBackPixel;
if (private->guffaw_gravity)
xattributes.bit_gravity = StaticGravity;
else
xattributes.bit_gravity = NorthWestGravity;
xattributes_mask |= CWBitGravity;
xattributes.colormap = _gdk_visual_get_x11_colormap (private->visual);
xattributes_mask |= CWColormap;
if (private->window_type == GDK_WINDOW_TEMP)
{
xattributes.save_under = True;
xattributes.override_redirect = True;
xattributes.cursor = None;
xattributes_mask |= CWSaveUnder | CWOverrideRedirect;
impl->override_redirect = TRUE;
}
}
else
{
class = InputOnly;
}
if (private->width > 65535 ||
private->height > 65535)
{
g_warning ("Native Windows wider or taller than 65535 pixels are not supported");
if (private->width > 65535)
private->width = 65535;
if (private->height > 65535)
private->height = 65535;
}
xid = draw_impl->xid = XCreateWindow (xdisplay, xparent,
private->x + private->parent->abs_x,
private->y + private->parent->abs_y,
private->width, private->height,
0, private->depth, class, xvisual,
xattributes_mask, &xattributes);
g_object_ref (window);
_gdk_xid_table_insert (screen_x11->display, &draw_impl->xid, window);
switch (GDK_WINDOW_TYPE (private))
{
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_TEMP:
if (attributes_mask & GDK_WA_TITLE)
title = attributes->title;
else
title = get_default_title ();
gdk_window_set_title (window, title);
if (attributes_mask & GDK_WA_WMCLASS)
{
class_hint = XAllocClassHint ();
class_hint->res_name = attributes->wmclass_name;
class_hint->res_class = attributes->wmclass_class;
XSetClassHint (xdisplay, xid, class_hint);
XFree (class_hint);
}
setup_toplevel_window (window, (GdkWindow *)private->parent);
break;
case GDK_WINDOW_CHILD:
default:
break;
}
if (attributes_mask & GDK_WA_TYPE_HINT)
gdk_window_set_type_hint (window, attributes->type_hint);
gdk_event_source_select_events ((GdkEventSource *) display_x11->event_source,
GDK_WINDOW_XWINDOW (window), event_mask,
StructureNotifyMask | PropertyChangeMask);
}
static GdkEventMask
x_event_mask_to_gdk_event_mask (long mask)
{
GdkEventMask event_mask = 0;
int i;
for (i = 0; i < _gdk_nenvent_masks; i++)
{
if (mask & _gdk_event_mask_table[i])
event_mask |= 1 << (i + 1);
}
return event_mask;
}
/**
* gdk_window_foreign_new_for_display:
* @display: the #GdkDisplay where the window handle comes from.
* @anid: a native window handle.
*
* Wraps a native window in a #GdkWindow.
* This may fail if the window has been destroyed. If the window
* was already known to GDK, a new reference to the existing
* #GdkWindow is returned.
*
* For example in the X backend, a native window handle is an Xlib
* <type>XID</type>.
*
* Return value: a #GdkWindow wrapper for the native window or
* %NULL if the window has been destroyed. The wrapper will be
* newly created, if one doesn't exist already.
*
* Since: 2.2
**/
GdkWindow *
gdk_window_foreign_new_for_display (GdkDisplay *display,
GdkNativeWindow anid)
{
GdkScreen *screen;
GdkWindow *window;
GdkWindowObject *private;
GdkWindowImplX11 *impl;
GdkDrawableImplX11 *draw_impl;
GdkDisplayX11 *display_x11;
XWindowAttributes attrs;
Window root, parent;
Window *children = NULL;
guint nchildren;
gboolean result;
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
display_x11 = GDK_DISPLAY_X11 (display);
if ((window = gdk_xid_table_lookup_for_display (display, anid)) != NULL)
return g_object_ref (window);
gdk_error_trap_push ();
result = XGetWindowAttributes (display_x11->xdisplay, anid, &attrs);
if (gdk_error_trap_pop () || !result)
return NULL;
/* FIXME: This is pretty expensive. Maybe the caller should supply
* the parent */
gdk_error_trap_push ();
result = XQueryTree (display_x11->xdisplay, anid, &root, &parent, &children, &nchildren);
if (gdk_error_trap_pop () || !result)
return NULL;
if (children)
XFree (children);
screen = _gdk_x11_display_screen_for_xrootwin (display, root);
window = g_object_new (GDK_TYPE_WINDOW, NULL);
private = (GdkWindowObject *) window;
private->impl = g_object_new (_gdk_window_impl_get_type (), NULL);
private->impl_window = private;
private->visual = gdk_x11_screen_lookup_visual (screen,
XVisualIDFromVisual (attrs.visual));
impl = GDK_WINDOW_IMPL_X11 (private->impl);
draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
draw_impl->wrapper = GDK_DRAWABLE (window);
draw_impl->screen = screen;
private->parent = gdk_xid_table_lookup_for_display (display, parent);
if (!private->parent || GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_FOREIGN)
private->parent = (GdkWindowObject *) gdk_screen_get_root_window (draw_impl->screen);
private->parent->children = g_list_prepend (private->parent->children, window);
draw_impl->xid = anid;
private->x = attrs.x;
private->y = attrs.y;
private->width = attrs.width;
private->height = attrs.height;
private->window_type = GDK_WINDOW_FOREIGN;
private->destroyed = FALSE;
private->event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
if (attrs.map_state == IsUnmapped)
private->state = GDK_WINDOW_STATE_WITHDRAWN;
else
private->state = 0;
private->viewable = TRUE;
private->depth = attrs.depth;
g_object_ref (window);
_gdk_xid_table_insert (display, &GDK_WINDOW_XID (window), window);
/* Update the clip region, etc */
_gdk_window_update_size (window);
return window;
}
/**
* gdk_window_lookup_for_display:
* @display: the #GdkDisplay corresponding to the window handle
* @anid: a native window handle.
*
* Looks up the #GdkWindow that wraps the given native window handle.
*
* For example in the X backend, a native window handle is an Xlib
* <type>XID</type>.
*
* Return value: the #GdkWindow wrapper for the native window,
* or %NULL if there is none.
*
* Since: 2.2
**/
GdkWindow *
gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
{
return (GdkWindow*) gdk_xid_table_lookup_for_display (display, anid);
}
/**
* gdk_window_lookup:
* @anid: a native window handle.
*
* Looks up the #GdkWindow that wraps the given native window handle.
*
* For example in the X backend, a native window handle is an Xlib
* <type>XID</type>.
*
* Return value: the #GdkWindow wrapper for the native window,
* or %NULL if there is none.
**/
GdkWindow *
gdk_window_lookup (GdkNativeWindow anid)
{
return (GdkWindow*) gdk_xid_table_lookup (anid);
}
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);
toplevel->update_counter = None;
XSyncIntToValue (&toplevel->current_counter_value, 0);
}
#endif
}
static void
_gdk_x11_window_destroy (GdkWindow *window,
gboolean recursing,
gboolean foreign_destroy)
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_WINDOW (window));
_gdk_selection_window_destroyed (window);
toplevel = _gdk_x11_window_get_toplevel (window);
if (toplevel)
gdk_toplevel_x11_free_contents (GDK_WINDOW_DISPLAY (window), toplevel);
_gdk_x11_drawable_finish (private->impl);
if (!recursing && !foreign_destroy)
{
XDestroyWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
}
}
static cairo_surface_t *
gdk_window_x11_resize_cairo_surface (GdkWindow *window,
cairo_surface_t *surface,
gint width,
gint height)
{
cairo_xlib_surface_set_size (surface, width, height);
return surface;
}
void
_gdk_windowing_window_destroy_foreign (GdkWindow *window)
{
/* It's somebody else's window, but in our hierarchy,
* so reparent it to the root window, and then send
* it a delete event, as if we were a WM
*/
XClientMessageEvent xclient;
gdk_error_trap_push ();
gdk_window_hide (window);
gdk_window_reparent (window, NULL, 0, 0);
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_WINDOW_XID (window);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
"WM_PROTOCOLS");
xclient.format = 32;
xclient.data.l[0] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
"WM_DELETE_WINDOW");
xclient.data.l[1] = CurrentTime;
xclient.data.l[2] = 0;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
False, 0, (XEvent *)&xclient);
gdk_error_trap_pop_ignored ();
}
static GdkWindow *
get_root (GdkWindow *window)
{
GdkScreen *screen = gdk_window_get_screen (window);
return gdk_screen_get_root_window (screen);
}
/* This function is called when the XWindow is really gone.
*/
void
gdk_window_destroy_notify (GdkWindow *window)
{
GdkWindowImplX11 *window_impl;
window_impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *)window)->impl);
if (!GDK_WINDOW_DESTROYED (window))
{
if (GDK_WINDOW_TYPE(window) != GDK_WINDOW_FOREIGN)
g_warning ("GdkWindow %#lx unexpectedly destroyed", GDK_WINDOW_XID (window));
_gdk_window_destroy (window, TRUE);
}
_gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), GDK_WINDOW_XID (window));
if (window_impl->toplevel && window_impl->toplevel->focus_window)
_gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), window_impl->toplevel->focus_window);
_gdk_xgrab_check_destroy (window);
g_object_unref (window);
}
static void
update_wm_hints (GdkWindow *window,
gboolean force)
{
GdkToplevelX11 *toplevel = _gdk_x11_window_get_toplevel (window);
GdkWindowObject *private = (GdkWindowObject *)window;
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
XWMHints wm_hints;
if (!force &&
!toplevel->is_leader &&
private->state & GDK_WINDOW_STATE_WITHDRAWN)
return;
wm_hints.flags = StateHint | InputHint;
wm_hints.input = private->accept_focus ? True : False;
wm_hints.initial_state = NormalState;
if (private->state & GDK_WINDOW_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_WINDOW_DESTROYED (toplevel->group_leader))
{
wm_hints.flags |= WindowGroupHint;
wm_hints.window_group = GDK_WINDOW_XID (toplevel->group_leader);
}
else
wm_hints.window_group = GDK_DISPLAY_X11 (display)->leader_window;
if (toplevel->urgency_hint)
wm_hints.flags |= XUrgencyHint;
XSetWMHints (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
&wm_hints);
}
static void
set_initial_hints (GdkWindow *window)
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
Display *xdisplay = GDK_DISPLAY_XDISPLAY (display);
Window xwindow = GDK_WINDOW_XID (window);
GdkWindowObject *private;
GdkToplevelX11 *toplevel;
Atom atoms[9];
gint i;
private = (GdkWindowObject*) window;
toplevel = _gdk_x11_window_get_toplevel (window);
if (!toplevel)
return;
update_wm_hints (window, 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 (private->state & GDK_WINDOW_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 (private->state & GDK_WINDOW_STATE_ABOVE)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_ABOVE");
++i;
}
if (private->state & GDK_WINDOW_STATE_BELOW)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_BELOW");
++i;
}
if (private->state & GDK_WINDOW_STATE_STICKY)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_STICKY");
++i;
toplevel->have_sticky = TRUE;
}
if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
{
atoms[i] = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_WM_STATE_FULLSCREEN");
++i;
toplevel->have_fullscreen = TRUE;
}
if (private->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 (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 (private->state & GDK_WINDOW_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_window_x11_show (GdkWindow *window, gboolean already_mapped)
{
GdkWindowObject *private = (GdkWindowObject*) window;
GdkDisplay *display;
GdkDisplayX11 *display_x11;
GdkToplevelX11 *toplevel;
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
Display *xdisplay = GDK_WINDOW_XDISPLAY (window);
Window xwindow = GDK_WINDOW_XID (window);
gboolean unset_bg;
if (!already_mapped)
set_initial_hints (window);
if (WINDOW_IS_TOPLEVEL (window))
{
display = gdk_window_get_display (window);
display_x11 = GDK_DISPLAY_X11 (display);
toplevel = _gdk_x11_window_get_toplevel (window);
if (toplevel->user_time != 0 &&
display_x11->user_time != 0 &&
XSERVER_TIME_IS_LATER (display_x11->user_time, toplevel->user_time))
gdk_x11_window_set_user_time (window, display_x11->user_time);
}
unset_bg = !private->input_only &&
(private->window_type == GDK_WINDOW_CHILD ||
impl->override_redirect) &&
gdk_window_is_viewable (window);
if (unset_bg)
_gdk_x11_window_tmp_unset_bg (window, TRUE);
XMapWindow (xdisplay, xwindow);
if (unset_bg)
_gdk_x11_window_tmp_reset_bg (window, TRUE);
}
static void
pre_unmap (GdkWindow *window)
{
GdkWindow *start_window = NULL;
GdkWindowObject *private = (GdkWindowObject *)window;
if (private->input_only)
return;
if (private->window_type == GDK_WINDOW_CHILD)
start_window = _gdk_window_get_impl_window ((GdkWindow *)private->parent);
else if (private->window_type == GDK_WINDOW_TEMP)
start_window = get_root (window);
if (start_window)
_gdk_x11_window_tmp_unset_bg (start_window, TRUE);
}
static void
post_unmap (GdkWindow *window)
{
GdkWindow *start_window = NULL;
GdkWindowObject *private = (GdkWindowObject *)window;
if (private->input_only)
return;
if (private->window_type == GDK_WINDOW_CHILD)
start_window = _gdk_window_get_impl_window ((GdkWindow *)private->parent);
else if (private->window_type == GDK_WINDOW_TEMP)
start_window = get_root (window);
if (start_window)
{
_gdk_x11_window_tmp_reset_bg (start_window, TRUE);
if (private->window_type == GDK_WINDOW_CHILD && private->parent)
{
GdkRectangle invalid_rect;
gdk_window_get_position (window, &invalid_rect.x, &invalid_rect.y);
invalid_rect.width = gdk_window_get_width (window);
invalid_rect.height = gdk_window_get_height (window);
gdk_window_invalidate_rect ((GdkWindow *)private->parent,
&invalid_rect, TRUE);
}
}
}
static void
gdk_window_x11_hide (GdkWindow *window)
{
GdkWindowObject *private;
private = (GdkWindowObject*) window;
/* 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_xgrab_check_unmap (window,
NextRequest (GDK_WINDOW_XDISPLAY (window)));
/* You can't simply unmap toplevel windows. */
switch (private->window_type)
{
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_TEMP: /* ? */
gdk_window_withdraw (window);
return;
case GDK_WINDOW_FOREIGN:
case GDK_WINDOW_ROOT:
case GDK_WINDOW_CHILD:
break;
}
_gdk_window_clear_update_area (window);
pre_unmap (window);
XUnmapWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window));
post_unmap (window);
}
static void
gdk_window_x11_withdraw (GdkWindow *window)
{
GdkWindowObject *private;
private = (GdkWindowObject*) window;
if (!private->destroyed)
{
if (GDK_WINDOW_IS_MAPPED (window))
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_WITHDRAWN);
g_assert (!GDK_WINDOW_IS_MAPPED (window));
pre_unmap (window);
XWithdrawWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), 0);
post_unmap (window);
}
}
static inline void
window_x11_move (GdkWindow *window,
gint x,
gint y)
{
GdkWindowObject *private = (GdkWindowObject *) window;
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
{
_gdk_window_move_resize_child (window,
x, y,
private->width, private->height);
}
else
{
XMoveWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
x, y);
if (impl->override_redirect)
{
private->x = x;
private->y = y;
}
}
}
static inline void
window_x11_resize (GdkWindow *window,
gint width,
gint height)
{
GdkWindowObject *private = (GdkWindowObject *) window;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
{
_gdk_window_move_resize_child (window,
private->x, private->y,
width, height);
}
else
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
XResizeWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
width, height);
if (impl->override_redirect)
{
private->width = width;
private->height = height;
_gdk_x11_drawable_update_size (private->impl);
}
else
{
if (width != private->width || height != private->height)
private->resize_count += 1;
}
}
_gdk_x11_drawable_update_size (private->impl);
}
static inline void
window_x11_move_resize (GdkWindow *window,
gint x,
gint y,
gint width,
gint height)
{
GdkWindowObject *private = (GdkWindowObject *) window;;
if (width < 1)
width = 1;
if (height < 1)
height = 1;
if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
{
_gdk_window_move_resize_child (window, x, y, width, height);
_gdk_x11_drawable_update_size (private->impl);
}
else
{
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
XMoveResizeWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
x, y, width, height);
if (impl->override_redirect)
{
private->x = x;
private->y = y;
private->width = width;
private->height = height;
_gdk_x11_drawable_update_size (private->impl);
}
else
{
if (width != private->width || height != private->height)
private->resize_count += 1;
}
}
}
static void
gdk_window_x11_move_resize (GdkWindow *window,
gboolean with_move,
gint x,
gint y,
gint width,
gint height)
{
if (with_move && (width < 0 && height < 0))
window_x11_move (window, x, y);
else
{
if (with_move)
window_x11_move_resize (window, x, y, width, height);
else
window_x11_resize (window, width, height);
}
}
static gboolean
gdk_window_x11_reparent (GdkWindow *window,
GdkWindow *new_parent,
gint x,
gint y)
{
GdkWindowObject *window_private;
GdkWindowObject *parent_private;
GdkWindowImplX11 *impl;
window_private = (GdkWindowObject*) window;
parent_private = (GdkWindowObject*) new_parent;
impl = GDK_WINDOW_IMPL_X11 (window_private->impl);
_gdk_x11_window_tmp_unset_bg (window, TRUE);
_gdk_x11_window_tmp_unset_parent_bg (window);
XReparentWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
GDK_WINDOW_XID (new_parent),
parent_private->abs_x + x, parent_private->abs_y + y);
_gdk_x11_window_tmp_reset_parent_bg (window);
_gdk_x11_window_tmp_reset_bg (window, TRUE);
if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window));
window_private->parent = parent_private;
/* Switch the window type as appropriate */
switch (GDK_WINDOW_TYPE (new_parent))
{
case GDK_WINDOW_ROOT:
case GDK_WINDOW_FOREIGN:
/* Reparenting to toplevel */
if (!WINDOW_IS_TOPLEVEL (window) &&
GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
{
/* This is also done in common code at a later stage, but we
need it in setup_toplevel, so do it here too */
if (window_private->toplevel_window_type != -1)
GDK_WINDOW_TYPE (window) = window_private->toplevel_window_type;
else if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
GDK_WINDOW_TYPE (window) = GDK_WINDOW_TOPLEVEL;
/* Wasn't a toplevel, set up */
setup_toplevel_window (window, new_parent);
}
break;
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_CHILD:
case GDK_WINDOW_TEMP:
if (WINDOW_IS_TOPLEVEL (window) &&
impl->toplevel)
{
if (impl->toplevel->focus_window)
{
XDestroyWindow (GDK_WINDOW_XDISPLAY (window), impl->toplevel->focus_window);
_gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), impl->toplevel->focus_window);
}
gdk_toplevel_x11_free_contents (GDK_WINDOW_DISPLAY (window),
impl->toplevel);
g_free (impl->toplevel);
impl->toplevel = NULL;
}
}
return FALSE;
}
static void
gdk_window_x11_raise (GdkWindow *window)
{
XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
}
static void
gdk_window_x11_restack_under (GdkWindow *window,
GList *native_siblings /* in requested order, first is bottom-most */)
{
Window *windows;
int n_windows, i;
GList *l;
n_windows = g_list_length (native_siblings) + 1;
windows = g_new (Window, n_windows);
windows[0] = GDK_WINDOW_XID (window);
/* Reverse order, as input order is bottom-most first */
i = n_windows - 1;
for (l = native_siblings; l != NULL; l = l->next)
windows[i--] = GDK_WINDOW_XID (l->data);
XRestackWindows (GDK_WINDOW_XDISPLAY (window), windows, n_windows);
g_free (windows);
}
static void
gdk_window_x11_restack_toplevel (GdkWindow *window,
GdkWindow *sibling,
gboolean above)
{
XWindowChanges changes;
changes.sibling = GDK_WINDOW_XID (sibling);
changes.stack_mode = above ? Above : Below;
XReconfigureWMWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
gdk_screen_get_number (GDK_WINDOW_SCREEN (window)),
CWStackMode | CWSibling, &changes);
}
static void
gdk_window_x11_lower (GdkWindow *window)
{
XLowerWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
}
/**
* gdk_x11_window_move_to_current_desktop:
* @window: a #GdkWindow
*
* Moves the window to the correct workspace when running under a
* window manager that supports multiple workspaces, as described
* in the <ulink url="http://www.freedesktop.org/Standards/wm-spec">Extended
* Window Manager Hints</ulink>. Will not do anything if the
* window is already on all workspaces.
*
* Since: 2.8
*/
void
gdk_x11_window_move_to_current_desktop (GdkWindow *window)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
toplevel = _gdk_x11_window_get_toplevel (window);
if (toplevel->on_all_desktops)
return;
move_to_current_desktop (window);
}
static void
move_to_current_desktop (GdkWindow *window)
{
if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
gdk_atom_intern_static_string ("_NET_WM_DESKTOP")))
{
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
guchar *data;
gulong *current_desktop;
GdkDisplay *display;
display = gdk_window_get_display (window);
/* Get current desktop, then set it; this is a race, but not
* one that matters much in practice.
*/
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XROOTWIN (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_CURRENT_DESKTOP"),
0, G_MAXLONG,
False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, &data);
if (type == XA_CARDINAL)
{
XClientMessageEvent xclient;
current_desktop = (gulong *)data;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.serial = 0;
xclient.send_event = True;
xclient.window = GDK_WINDOW_XWINDOW (window);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP");
xclient.format = 32;
xclient.data.l[0] = *current_desktop;
xclient.data.l[1] = 0;
xclient.data.l[2] = 0;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XROOTWIN (window),
False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
XFree (current_desktop);
}
}
}
/**
* gdk_window_focus:
* @window: a #GdkWindow
* @timestamp: timestamp of the event triggering the window focus
*
* Sets keyboard focus to @window. In most cases, gtk_window_present()
* should be used on a #GtkWindow, rather than calling this function.
*
**/
void
gdk_window_focus (GdkWindow *window,
guint32 timestamp)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = GDK_WINDOW_DISPLAY (window);
if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
gdk_atom_intern_static_string ("_NET_ACTIVE_WINDOW")))
{
XClientMessageEvent xclient;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_WINDOW_XWINDOW (window);
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_WINDOW_XROOTWIN (window), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
else
{
XRaiseWindow (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window));
/* There is no way of knowing reliably whether we are viewable;
* _gdk_x11_set_input_focus_safe() traps errors asynchronously.
*/
_gdk_x11_set_input_focus_safe (display, GDK_WINDOW_XID (window),
RevertToParent,
timestamp);
}
}
/**
* gdk_window_set_type_hint:
* @window: A toplevel #GdkWindow
* @hint: A hint of the function this window will have
*
* The application can use this call to provide a hint to the window
* manager about the functionality of a window. The window manager
* can use this information when determining the decoration and behaviour
* of the window.
*
* The hint must be set before the window is mapped.
**/
void
gdk_window_set_type_hint (GdkWindow *window,
GdkWindowTypeHint hint)
{
GdkDisplay *display;
Atom atom;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = gdk_window_get_display (window);
switch (hint)
{
case GDK_WINDOW_TYPE_HINT_DIALOG:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG");
break;
case GDK_WINDOW_TYPE_HINT_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU");
break;
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR");
break;
case GDK_WINDOW_TYPE_HINT_UTILITY:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY");
break;
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH");
break;
case GDK_WINDOW_TYPE_HINT_DOCK:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK");
break;
case GDK_WINDOW_TYPE_HINT_DESKTOP:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP");
break;
case GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU");
break;
case GDK_WINDOW_TYPE_HINT_POPUP_MENU:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_POPUP_MENU");
break;
case GDK_WINDOW_TYPE_HINT_TOOLTIP:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLTIP");
break;
case GDK_WINDOW_TYPE_HINT_NOTIFICATION:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NOTIFICATION");
break;
case GDK_WINDOW_TYPE_HINT_COMBO:
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_COMBO");
break;
case GDK_WINDOW_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_window_set_type_hint", hint);
/* Fall thru */
case GDK_WINDOW_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_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
XA_ATOM, 32, PropModeReplace,
(guchar *)&atom, 1);
}
/**
* gdk_window_get_type_hint:
* @window: A toplevel #GdkWindow
*
* This function returns the type hint set for a window.
*
* Return value: The type hint set for @window
*
* Since: 2.10
**/
GdkWindowTypeHint
gdk_window_get_type_hint (GdkWindow *window)
{
GdkDisplay *display;
GdkWindowTypeHint type;
Atom type_return;
gint format_return;
gulong nitems_return;
gulong bytes_after_return;
guchar *data = NULL;
g_return_val_if_fail (GDK_IS_WINDOW (window), GDK_WINDOW_TYPE_HINT_NORMAL);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return GDK_WINDOW_TYPE_HINT_NORMAL;
type = GDK_WINDOW_TYPE_HINT_NORMAL;
display = gdk_window_get_display (window);
if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
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_WINDOW_TYPE_HINT_DIALOG;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU"))
type = GDK_WINDOW_TYPE_HINT_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR"))
type = GDK_WINDOW_TYPE_HINT_TOOLBAR;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY"))
type = GDK_WINDOW_TYPE_HINT_UTILITY;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH"))
type = GDK_WINDOW_TYPE_HINT_SPLASHSCREEN;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK"))
type = GDK_WINDOW_TYPE_HINT_DOCK;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP"))
type = GDK_WINDOW_TYPE_HINT_DESKTOP;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU"))
type = GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_POPUP_MENU"))
type = GDK_WINDOW_TYPE_HINT_POPUP_MENU;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLTIP"))
type = GDK_WINDOW_TYPE_HINT_TOOLTIP;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NOTIFICATION"))
type = GDK_WINDOW_TYPE_HINT_NOTIFICATION;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_COMBO"))
type = GDK_WINDOW_TYPE_HINT_COMBO;
else if (atom == gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DND"))
type = GDK_WINDOW_TYPE_HINT_DND;
}
if (type_return != None && data != NULL)
XFree (data);
}
return type;
}
static void
gdk_wmspec_change_state (gboolean add,
GdkWindow *window,
GdkAtom state1,
GdkAtom state2)
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
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_WINDOW_XID (window);
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] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
/**
* gdk_window_set_modal_hint:
* @window: A toplevel #GdkWindow
* @modal: %TRUE if the window is modal, %FALSE otherwise.
*
* The application can use this hint to tell the window manager
* that a certain window has modal behaviour. The window manager
* can use this information to handle modal windows in a special
* way.
*
* You should only use this on windows for which you have
* previously called gdk_window_set_transient_for()
**/
void
gdk_window_set_modal_hint (GdkWindow *window,
gboolean modal)
{
GdkWindowObject *private;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
private = (GdkWindowObject*) window;
private->modal_hint = modal;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (modal, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_MODAL"),
GDK_NONE);
}
/**
* gdk_window_set_skip_taskbar_hint:
* @window: a toplevel #GdkWindow
* @skips_taskbar: %TRUE to skip the taskbar
*
* Toggles whether a window should appear in a task list or window
* list. If a window's semantic type as specified with
* gdk_window_set_type_hint() already fully describes the window, this
* function should <emphasis>not</emphasis> be called in addition,
* instead you should allow the window to be treated according to
* standard policy for its semantic type.
*
* Since: 2.2
**/
void
gdk_window_set_skip_taskbar_hint (GdkWindow *window,
gboolean skips_taskbar)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
toplevel = _gdk_x11_window_get_toplevel (window);
toplevel->skip_taskbar_hint = skips_taskbar;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (skips_taskbar, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_SKIP_TASKBAR"),
GDK_NONE);
}
/**
* gdk_window_set_skip_pager_hint:
* @window: a toplevel #GdkWindow
* @skips_pager: %TRUE to skip the pager
*
* Toggles whether a window should appear in a pager (workspace
* switcher, or other desktop utility program that displays a small
* thumbnail representation of the windows on the desktop). If a
* window's semantic type as specified with gdk_window_set_type_hint()
* already fully describes the window, this function should
* <emphasis>not</emphasis> be called in addition, instead you should
* allow the window to be treated according to standard policy for
* its semantic type.
*
* Since: 2.2
**/
void
gdk_window_set_skip_pager_hint (GdkWindow *window,
gboolean skips_pager)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
toplevel = _gdk_x11_window_get_toplevel (window);
toplevel->skip_pager_hint = skips_pager;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (skips_pager, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_SKIP_PAGER"),
GDK_NONE);
}
/**
* gdk_window_set_urgency_hint:
* @window: a toplevel #GdkWindow
* @urgent: %TRUE if the window is urgent
*
* Toggles whether a window needs the user's
* urgent attention.
*
* Since: 2.8
**/
void
gdk_window_set_urgency_hint (GdkWindow *window,
gboolean urgent)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
toplevel = _gdk_x11_window_get_toplevel (window);
toplevel->urgency_hint = urgent;
update_wm_hints (window, FALSE);
}
/**
* gdk_window_set_geometry_hints:
* @window: a toplevel #GdkWindow
* @geometry: geometry hints
* @geom_mask: bitmask indicating fields of @geometry to pay attention to
*
* Sets the geometry hints for @window. Hints flagged in @geom_mask
* are set, hints not flagged in @geom_mask are unset.
* To unset all hints, use a @geom_mask of 0 and a @geometry of %NULL.
*
* This function provides hints to the windowing system about
* acceptable sizes for a toplevel window. The purpose of
* this is to constrain user resizing, but the windowing system
* will typically (but is not required to) also constrain the
* current size of the window to the provided values and
* constrain programatic resizing via gdk_window_resize() or
* gdk_window_move_resize().
*
* Note that on X11, this effect has no effect on windows
* of type %GDK_WINDOW_TEMP or windows where override redirect
* has been turned on via gdk_window_set_override_redirect()
* since these windows are not resizable by the user.
*
* Since you can't count on the windowing system doing the
* constraints for programmatic resizes, you should generally
* call gdk_window_constrain_size() yourself to determine
* appropriate sizes.
*
**/
void
gdk_window_set_geometry_hints (GdkWindow *window,
const GdkGeometry *geometry,
GdkWindowHints geom_mask)
{
XSizeHints size_hints;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
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;
size_hints.min_height = geometry->min_height;
}
if (geom_mask & GDK_HINT_MAX_SIZE)
{
size_hints.flags |= PMaxSize;
size_hints.max_width = MAX (geometry->max_width, 1);
size_hints.max_height = MAX (geometry->max_height, 1);
}
if (geom_mask & GDK_HINT_BASE_SIZE)
{
size_hints.flags |= PBaseSize;
size_hints.base_width = geometry->base_width;
size_hints.base_height = geometry->base_height;
}
if (geom_mask & GDK_HINT_RESIZE_INC)
{
size_hints.flags |= PResizeInc;
size_hints.width_inc = geometry->width_inc;
size_hints.height_inc = geometry->height_inc;
}
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_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
&size_hints);
}
static void
gdk_window_get_geometry_hints (GdkWindow *window,
GdkGeometry *geometry,
GdkWindowHints *geom_mask)
{
XSizeHints *size_hints;
glong junk_supplied_mask = 0;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (geometry != NULL);
g_return_if_fail (geom_mask != NULL);
*geom_mask = 0;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
size_hints = XAllocSizeHints ();
if (!size_hints)
return;
if (!XGetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
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;
geometry->min_height = size_hints->min_height;
}
if (size_hints->flags & PMaxSize)
{
*geom_mask |= GDK_HINT_MAX_SIZE;
geometry->max_width = MAX (size_hints->max_width, 1);
geometry->max_height = MAX (size_hints->max_height, 1);
}
if (size_hints->flags & PResizeInc)
{
*geom_mask |= GDK_HINT_RESIZE_INC;
geometry->width_inc = size_hints->width_inc;
geometry->height_inc = size_hints->height_inc;
}
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_utf8_to_string_target (utf8_str);
prop_length = prop_text ? strlen (prop_text) : 0;
prop_format = 8;
is_compound_text = FALSE;
}
else
{
GdkAtom gdk_type;
gdk_utf8_to_compound_text_for_display (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_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);
}
/**
* gdk_window_set_title:
* @window: a toplevel #GdkWindow
* @title: title of @window
*
* Sets the title of a toplevel window, to be displayed in the titlebar.
* If you haven't explicitly set the icon name for the window
* (using gdk_window_set_icon_name()), the icon name will be set to
* @title as well. @title must be in UTF-8 encoding (as with all
* user-readable strings in GDK/GTK+). @title may not be %NULL.
**/
void
gdk_window_set_title (GdkWindow *window,
const gchar *title)
{
GdkDisplay *display;
Display *xdisplay;
Window xwindow;
g_return_if_fail (title != NULL);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = gdk_window_get_display (window);
xdisplay = GDK_DISPLAY_XDISPLAY (display);
xwindow = GDK_WINDOW_XID (window);
set_wm_name (display, xwindow, title);
if (!gdk_window_icon_name_set (window))
{
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);
}
}
/**
* gdk_window_set_role:
* @window: a toplevel #GdkWindow
* @role: a string indicating its role
*
* When using GTK+, typically you should use gtk_window_set_role() instead
* of this low-level function.
*
* The window manager and session manager use a window's role to
* distinguish it from other kinds of window in the same application.
* When an application is restarted after being saved in a previous
* session, all windows with the same title and role are treated as
* interchangeable. So if you have two windows with the same title
* that should be distinguished for session management purposes, you
* should set the role on those windows. It doesn't matter what string
* you use for the role, as long as you have a different role for each
* non-interchangeable kind of window.
*
**/
void
gdk_window_set_role (GdkWindow *window,
const gchar *role)
{
GdkDisplay *display;
display = gdk_window_get_display (window);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (role)
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"),
XA_STRING, 8, PropModeReplace, (guchar *)role, strlen (role));
else
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"));
}
/**
* gdk_window_set_startup_id:
* @window: a toplevel #GdkWindow
* @startup_id: a string with startup-notification identifier
*
* When using GTK+, typically you should use gtk_window_set_startup_id()
* instead of this low-level function.
*
* Since: 2.12
*
**/
void
gdk_window_set_startup_id (GdkWindow *window,
const gchar *startup_id)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_WINDOW (window));
display = gdk_window_get_display (window);
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (startup_id)
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
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_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_STARTUP_ID"));
}
/**
* gdk_window_set_transient_for:
* @window: a toplevel #GdkWindow
* @parent: another toplevel #GdkWindow
*
* Indicates to the window manager that @window is a transient dialog
* associated with the application window @parent. This allows the
* window manager to do things like center @window on @parent and
* keep @window above @parent.
*
* See gtk_window_set_transient_for() if you're using #GtkWindow or
* #GtkDialog.
**/
void
gdk_window_set_transient_for (GdkWindow *window,
GdkWindow *parent)
{
if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (parent) &&
WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
XSetTransientForHint (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
GDK_WINDOW_XID (parent));
}
static gboolean
gdk_window_x11_set_back_color (GdkWindow *window,
double red,
double green,
double blue,
double alpha)
{
GdkVisual *visual = gdk_window_get_visual (window);
/* I suppose we could handle these, but that'd require fiddling with
* xrender formats... */
if (alpha != 1.0)
return FALSE;
switch (visual->type)
{
case GDK_VISUAL_DIRECT_COLOR:
case GDK_VISUAL_TRUE_COLOR:
{
/* If bits not used for color are used for something other than padding,
* it's likely alpha, so we set them to 1s.
*/
guint padding, pixel;
/* Shifting by >= width-of-type isn't defined in C */
if (visual->depth >= 32)
padding = 0;
else
padding = ((~(guint32)0)) << visual->depth;
pixel = ~ (visual->red_mask | visual->green_mask | visual->blue_mask | padding);
pixel += (((int) (red * ((1 << visual->red_prec ) - 1))) << visual->red_shift ) +
(((int) (green * ((1 << visual->green_prec) - 1))) << visual->green_shift) +
(((int) (blue * ((1 << visual->blue_prec ) - 1))) << visual->blue_shift );
XSetWindowBackground (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), pixel);
}
return TRUE;
/* These require fiddling with the colormap, and as they're essentially unused
* we're just gonna skip them for now.
*/
case GDK_VISUAL_PSEUDO_COLOR:
case GDK_VISUAL_GRAYSCALE:
case GDK_VISUAL_STATIC_GRAY:
case GDK_VISUAL_STATIC_COLOR:
default:
break;
}
return FALSE;
}
static gboolean
matrix_is_identity (cairo_matrix_t *matrix)
{
return matrix->xx == 1.0 && matrix->yy == 1.0 &&
matrix->yx == 0.0 && matrix->xy == 0.0 &&
matrix->x0 == 0.0 && matrix->y0 == 0.0;
}
static void
gdk_window_x11_set_background (GdkWindow *window,
cairo_pattern_t *pattern)
{
double r, g, b, a;
cairo_surface_t *surface;
cairo_matrix_t matrix;
if (GDK_WINDOW_DESTROYED (window))
return;
if (pattern == NULL)
{
GdkWindow *parent;
/* X throws BadMatch if the parent has a different visual when
* using ParentRelative */
parent = gdk_window_get_parent (window);
if (parent && gdk_window_get_visual (parent) == gdk_window_get_visual (window))
XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), ParentRelative);
else
XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), None);
return;
}
switch (cairo_pattern_get_type (pattern))
{
case CAIRO_PATTERN_TYPE_SOLID:
cairo_pattern_get_rgba (pattern, &r, &g, &b, &a);
if (gdk_window_x11_set_back_color (window, r, g, b, a))
return;
break;
case CAIRO_PATTERN_TYPE_SURFACE:
cairo_pattern_get_matrix (pattern, &matrix);
if (cairo_pattern_get_surface (pattern, &surface) == CAIRO_STATUS_SUCCESS &&
matrix_is_identity (&matrix) &&
cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_XLIB &&
cairo_xlib_surface_get_visual (surface) == GDK_VISUAL_XVISUAL (gdk_window_get_visual ((window))) &&
cairo_xlib_surface_get_display (surface) == GDK_WINDOW_XDISPLAY (window))
{
double x, y;
cairo_surface_get_device_offset (surface, &x, &y);
/* XXX: This still bombs for non-pixmaps, but there's no way to
* detect we're not a pixmap in Cairo... */
if (x == 0.0 && y == 0.0)
{
XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
cairo_xlib_surface_get_drawable (surface));
return;
}
}
/* fall through */
case CAIRO_PATTERN_TYPE_LINEAR:
case CAIRO_PATTERN_TYPE_RADIAL:
default:
/* fallback: just use black */
break;
}
XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), None);
}
static void
gdk_window_x11_set_device_cursor (GdkWindow *window,
GdkDevice *device,
GdkCursor *cursor)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_IS_DEVICE (device));
private = (GdkWindowObject *) window;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (!cursor)
g_hash_table_remove (impl->device_cursor, device);
else
{
_gdk_x11_cursor_update_theme (cursor);
g_hash_table_replace (impl->device_cursor,
device, gdk_cursor_ref (cursor));
}
if (!GDK_WINDOW_DESTROYED (window))
GDK_DEVICE_GET_CLASS (device)->set_window_cursor (device, window, cursor);
}
GdkCursor *
_gdk_x11_window_get_cursor (GdkWindow *window)
{
GdkWindowObject *private;
GdkWindowImplX11 *impl;
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
private = (GdkWindowObject *)window;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
return impl->cursor;
}
static void
gdk_window_x11_get_geometry (GdkWindow *window,
gint *x,
gint *y,
gint *width,
gint *height,
gint *depth)
{
Window root;
gint tx;
gint ty;
guint twidth;
guint theight;
guint tborder_width;
guint tdepth;
if (!GDK_WINDOW_DESTROYED (window))
{
XGetGeometry (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
&root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);
if (x)
*x = tx;
if (y)
*y = ty;
if (width)
*width = twidth;
if (height)
*height = theight;
if (depth)
*depth = tdepth;
}
}
static gint
gdk_window_x11_get_root_coords (GdkWindow *window,
gint x,
gint y,
gint *root_x,
gint *root_y)
{
gint return_val;
Window child;
gint tx;
gint ty;
return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
GDK_WINDOW_XROOTWIN (window),
x, y, &tx, &ty,
&child);
if (root_x)
*root_x = tx;
if (root_y)
*root_y = ty;
return return_val;
}
/**
* gdk_window_get_root_origin:
* @window: a toplevel #GdkWindow
* @x: return location for X position of window frame
* @y: return location for Y position of window frame
*
* Obtains the top-left corner of the window manager frame in root
* window coordinates.
*
**/
void
gdk_window_get_root_origin (GdkWindow *window,
gint *x,
gint *y)
{
GdkRectangle rect;
gdk_window_get_frame_extents (window, &rect);
if (x)
*x = rect.x;
if (y)
*y = rect.y;
}
/**
* gdk_window_get_frame_extents:
* @window: a toplevel #GdkWindow
* @rect: rectangle to fill with bounding box of the window frame
*
* Obtains the bounding box of the window, including window manager
* titlebar/borders if any. The frame position is given in root window
* coordinates. To get the position of the window itself (rather than
* the frame) in root window coordinates, use gdk_window_get_origin().
*
**/
void
gdk_window_get_frame_extents (GdkWindow *window,
GdkRectangle *rect)
{
GdkDisplay *display;
GdkWindowObject *private;
GdkWindowImplX11 *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);
private = (GdkWindowObject*) window;
rect->x = 0;
rect->y = 0;
rect->width = 1;
rect->height = 1;
while (private->parent && ((GdkWindowObject*) private->parent)->parent)
private = (GdkWindowObject*) private->parent;
/* Refine our fallback answer a bit using local information */
rect->x = private->x;
rect->y = private->y;
rect->width = private->width;
rect->height = private->height;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (GDK_WINDOW_DESTROYED (private) || impl->override_redirect)
return;
nvroots = 0;
vroots = NULL;
gdk_error_trap_push();
display = gdk_window_get_display (window);
xwindow = GDK_WINDOW_XID (window);
/* first try: use _NET_FRAME_EXTENTS */
if (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_WINDOW_XROOTWIN (window);
if (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_WINDOW_XID (window);
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);
gdk_error_trap_pop_ignored ();
}
void
_gdk_windowing_get_device_state (GdkDisplay *display,
GdkDevice *device,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask)
{
GdkScreen *default_screen;
if (display->closed)
return;
default_screen = gdk_display_get_default_screen (display);
if (G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
{
GdkWindow *root;
GDK_DEVICE_GET_CLASS (device)->query_state (device,
gdk_screen_get_root_window (default_screen),
&root, NULL,
x, y,
NULL, NULL,
mask);
*screen = gdk_window_get_screen (root);
}
else
{
XSetWindowAttributes attributes;
Display *xdisplay;
Window xwindow, w, root, child;
int rootx, rooty, winx, winy;
unsigned int xmask;
/* FIXME: untrusted clients not multidevice-safe */
xdisplay = GDK_SCREEN_XDISPLAY (default_screen);
xwindow = GDK_SCREEN_XROOTWIN (default_screen);
w = XCreateWindow (xdisplay, xwindow, 0, 0, 1, 1, 0,
CopyFromParent, InputOnly, CopyFromParent,
0, &attributes);
XQueryPointer (xdisplay, w,
&root, &child, &rootx, &rooty, &winx, &winy, &xmask);
XDestroyWindow (xdisplay, w);
if (root != None)
{
GdkWindow *gdk_root = gdk_window_lookup_for_display (display, root);
*screen = gdk_window_get_screen (gdk_root);
}
*x = rootx;
*y = rooty;
*mask = xmask;
}
}
static gboolean
gdk_window_x11_get_device_state (GdkWindow *window,
GdkDevice *device,
gint *x,
gint *y,
GdkModifierType *mask)
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
gboolean return_val;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), FALSE);
return_val = TRUE;
if (!GDK_WINDOW_DESTROYED (window))
{
if (G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
{
GdkWindow *child;
GDK_DEVICE_GET_CLASS (device)->query_state (device, window,
NULL, &child,
NULL, NULL,
x, y, mask);
return_val = (child != NULL);
}
else
{
GdkScreen *screen;
int originx, originy;
int rootx, rooty;
int winx = 0;
int winy = 0;
unsigned int xmask = 0;
_gdk_windowing_get_device_state (gdk_window_get_display (window), device,
&screen, &rootx, &rooty, &xmask);
gdk_window_get_origin (window, &originx, &originy);
winx = rootx - originx;
winy = rooty - originy;
*x = winx;
*y = winy;
*mask = xmask;
}
}
return return_val;
}
/**
* gdk_display_warp_pointer:
* @display: a #GdkDisplay
* @screen: the screen of @display to warp the pointer to
* @x: the x coordinate of the destination
* @y: the y coordinate of the destination
*
* Warps the pointer of @display to the point @x,@y on
* the screen @screen, unless the pointer is confined
* to a window by a grab, in which case it will be moved
* as far as allowed by the grab. Warping the pointer
* creates events as if the user had moved the mouse
* instantaneously to the destination.
*
* Note that the pointer should normally be under the
* control of the user. This function was added to cover
* some rare use cases like keyboard navigation support
* for the color picker in the #GtkColorSelectionDialog.
*
* Since: 2.8
*
* Deprecated: 3.0: Use gdk_display_warp_device() instead.
*/
void
gdk_display_warp_pointer (GdkDisplay *display,
GdkScreen *screen,
gint x,
gint y)
{
GdkDevice *device;
g_return_if_fail (GDK_IS_DISPLAY (display));
g_return_if_fail (GDK_IS_SCREEN (screen));
device = display->core_pointer;
GDK_DEVICE_GET_CLASS (device)->warp (device, screen, x, y);
}
/**
* gdk_display_warp_device:
* @display: a #GdkDisplay.
* @device: a #GdkDevice.
* @screen: the screen of @display to warp @device to.
* @x: the X coordinate of the destination.
* @y: the Y coordinate of the destination.
*
* Warps @device in @display to the point @x,@y on
* the screen @screen, unless the device is confined
* to a window by a grab, in which case it will be moved
* as far as allowed by the grab. Warping the pointer
* creates events as if the user had moved the mouse
* instantaneously to the destination.
*
* Note that the pointer should normally be under the
* control of the user. This function was added to cover
* some rare use cases like keyboard navigation support
* for the color picker in the #GtkColorSelectionDialog.
*
* Since: 3.0
**/
void
gdk_display_warp_device (GdkDisplay *display,
GdkDevice *device,
GdkScreen *screen,
gint x,
gint y)
{
g_return_if_fail (GDK_IS_DISPLAY (display));
g_return_if_fail (GDK_IS_DEVICE (device));
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (display == gdk_device_get_display (device));
GDK_DEVICE_GET_CLASS (device)->warp (device, screen, x, y);
}
GdkWindow*
_gdk_windowing_window_at_device_position (GdkDisplay *display,
GdkDevice *device,
gint *win_x,
gint *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
{
GdkWindow *window;
GdkScreen *screen;
screen = gdk_display_get_default_screen (display);
/* This function really only works if the mouse pointer is held still
* during its operation. If it moves from one leaf window to another
* than we'll end up with inaccurate values for win_x, win_y
* and the result.
*/
gdk_x11_display_grab (display);
if (G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
window = GDK_DEVICE_GET_CLASS (device)->window_at_position (device, win_x, win_y, mask, get_toplevel);
else
{
gint i, screens, width, height;
GList *toplevels, *list;
Window pointer_window, root, xwindow, child;
Window xwindow_last = 0;
Display *xdisplay;
int rootx = -1, rooty = -1;
int winx, winy;
unsigned int xmask;
/* FIXME: untrusted clients case not multidevice-safe */
xwindow = GDK_SCREEN_XROOTWIN (screen);
xdisplay = GDK_SCREEN_XDISPLAY (screen);
pointer_window = None;
screens = gdk_display_get_n_screens (display);
for (i = 0; i < screens; ++i) {
screen = gdk_display_get_screen (display, i);
toplevels = gdk_screen_get_toplevel_windows (screen);
for (list = toplevels; list != NULL; list = g_list_next (list)) {
window = GDK_WINDOW (list->data);
xwindow = GDK_WINDOW_XWINDOW (window);
gdk_error_trap_push ();
XQueryPointer (xdisplay, xwindow,
&root, &child, &rootx, &rooty, &winx, &winy, &xmask);
if (gdk_error_trap_pop ())
continue;
if (child != None)
{
pointer_window = child;
break;
}
gdk_window_get_geometry (window, NULL, NULL, &width, &height, NULL);
if (winx >= 0 && winy >= 0 && winx < width && winy < height)
{
/* A childless toplevel, or below another window? */
XSetWindowAttributes attributes;
Window w;
w = XCreateWindow (xdisplay, xwindow, winx, winy, 1, 1, 0,
CopyFromParent, InputOnly, CopyFromParent,
0, &attributes);
XMapWindow (xdisplay, w);
XQueryPointer (xdisplay, xwindow,
&root, &child, &rootx, &rooty, &winx, &winy, &xmask);
XDestroyWindow (xdisplay, w);
if (child == w)
{
pointer_window = xwindow;
break;
}
}
}
g_list_free (toplevels);
if (pointer_window != None)
break;
}
xwindow = pointer_window;
while (xwindow)
{
xwindow_last = xwindow;
gdk_error_trap_push ();
XQueryPointer (xdisplay, xwindow,
&root, &xwindow, &rootx, &rooty, &winx, &winy, &xmask);
if (gdk_error_trap_pop ())
break;
if (get_toplevel && xwindow_last != root &&
(window = gdk_window_lookup_for_display (display, xwindow_last)) != NULL &&
GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN)
break;
}
window = gdk_window_lookup_for_display (display, xwindow_last);
*win_x = window ? winx : -1;
*win_y = window ? winy : -1;
if (mask)
*mask = xmask;
}
gdk_x11_display_ungrab (display);
return window;
}
static GdkEventMask
gdk_window_x11_get_events (GdkWindow *window)
{
XWindowAttributes attrs;
GdkEventMask event_mask;
GdkEventMask filtered;
if (GDK_WINDOW_DESTROYED (window))
return 0;
else
{
XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
&attrs);
event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
/* if property change was filtered out before, keep it filtered out */
filtered = GDK_STRUCTURE_MASK | GDK_PROPERTY_CHANGE_MASK;
GDK_WINDOW_OBJECT (window)->event_mask = event_mask & ((GDK_WINDOW_OBJECT (window)->event_mask & filtered) | ~filtered);
return event_mask;
}
}
static void
gdk_window_x11_set_events (GdkWindow *window,
GdkEventMask event_mask)
{
long xevent_mask = 0;
if (!GDK_WINDOW_DESTROYED (window))
{
GdkDisplayX11 *display_x11;
if (GDK_WINDOW_XID (window) != GDK_WINDOW_XROOTWIN (window))
xevent_mask = StructureNotifyMask | PropertyChangeMask;
display_x11 = GDK_DISPLAY_X11 (gdk_window_get_display (window));
gdk_event_source_select_events ((GdkEventSource *) display_x11->event_source,
GDK_WINDOW_XWINDOW (window), event_mask,
xevent_mask);
}
}
static inline void
do_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y,
gint shape)
{
if (GDK_WINDOW_DESTROYED (window))
return;
if (shape_region == NULL)
{
/* Use NULL mask to unset the shape */
if (shape == ShapeBounding
? gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window))
: gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
{
if (shape == ShapeBounding)
{
_gdk_x11_window_tmp_unset_parent_bg (window);
_gdk_x11_window_tmp_unset_bg (window, TRUE);
}
XShapeCombineMask (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
shape,
0, 0,
None,
ShapeSet);
if (shape == ShapeBounding)
{
_gdk_x11_window_tmp_reset_parent_bg (window);
_gdk_x11_window_tmp_reset_bg (window, TRUE);
}
}
return;
}
if (shape == ShapeBounding
? gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window))
: gdk_display_supports_input_shapes (GDK_WINDOW_DISPLAY (window)))
{
gint n_rects = 0;
XRectangle *xrects = NULL;
_gdk_region_get_xrectangles (shape_region,
0, 0,
&xrects, &n_rects);
if (shape == ShapeBounding)
{
_gdk_x11_window_tmp_unset_parent_bg (window);
_gdk_x11_window_tmp_unset_bg (window, TRUE);
}
XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
shape,
offset_x, offset_y,
xrects, n_rects,
ShapeSet,
YXBanded);
if (shape == ShapeBounding)
{
_gdk_x11_window_tmp_reset_parent_bg (window);
_gdk_x11_window_tmp_reset_bg (window, TRUE);
}
g_free (xrects);
}
}
static void
gdk_window_x11_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
do_shape_combine_region (window, shape_region, offset_x, offset_y, ShapeBounding);
}
static void
gdk_window_x11_input_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
#ifdef ShapeInput
do_shape_combine_region (window, shape_region, offset_x, offset_y, ShapeInput);
#endif
}
/**
* gdk_window_set_override_redirect:
* @window: a toplevel #GdkWindow
* @override_redirect: %TRUE if window should be override redirect
*
* An override redirect window is not under the control of the window manager.
* This means it won't have a titlebar, won't be minimizable, etc. - it will
* be entirely under the control of the application. The window manager
* can't see the override redirect window at all.
*
* Override redirect should only be used for short-lived temporary
* windows, such as popup menus. #GtkMenu uses an override redirect
* window in its implementation, for example.
*
**/
void
gdk_window_set_override_redirect (GdkWindow *window,
gboolean override_redirect)
{
XSetWindowAttributes attr;
if (!GDK_WINDOW_DESTROYED (window) &&
WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
attr.override_redirect = (override_redirect? True : False);
XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
CWOverrideRedirect,
&attr);
impl->override_redirect = attr.override_redirect;
}
}
/**
* gdk_window_set_accept_focus:
* @window: a toplevel #GdkWindow
* @accept_focus: %TRUE if the window should receive input focus
*
* Setting @accept_focus to %FALSE hints the desktop environment that the
* window doesn't want to receive input focus.
*
* On X, it is the responsibility of the window manager to interpret this
* hint. ICCCM-compliant window manager usually respect it.
*
* Since: 2.4
**/
void
gdk_window_set_accept_focus (GdkWindow *window,
gboolean accept_focus)
{
GdkWindowObject *private;
private = (GdkWindowObject *)window;
accept_focus = accept_focus != FALSE;
if (private->accept_focus != accept_focus)
{
private->accept_focus = accept_focus;
if (!GDK_WINDOW_DESTROYED (window) &&
WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
update_wm_hints (window, FALSE);
}
}
/**
* gdk_window_set_focus_on_map:
* @window: a toplevel #GdkWindow
* @focus_on_map: %TRUE if the window should receive input focus when mapped
*
* Setting @focus_on_map to %FALSE hints the desktop environment that the
* window doesn't want to receive input focus when it is mapped.
* focus_on_map should be turned off for windows that aren't triggered
* interactively (such as popups from network activity).
*
* On X, it is the responsibility of the window manager to interpret
* this hint. Window managers following the freedesktop.org window
* manager extension specification should respect it.
*
* Since: 2.6
**/
void
gdk_window_set_focus_on_map (GdkWindow *window,
gboolean focus_on_map)
{
GdkWindowObject *private;
private = (GdkWindowObject *)window;
focus_on_map = focus_on_map != FALSE;
if (private->focus_on_map != focus_on_map)
{
private->focus_on_map = focus_on_map;
if ((!GDK_WINDOW_DESTROYED (window)) &&
(!private->focus_on_map) &&
WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
gdk_x11_window_set_user_time (window, 0);
}
}
/**
* gdk_x11_window_set_user_time:
* @window: A toplevel #GdkWindow
* @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 window. This property stores an Xserver
* time which represents the time of the last user input event
* received for this window. This property may be used by the window
* manager to alter the focus, stacking, and/or placement behavior of
* windows when they are mapped depending on whether the new window
* was created by a user action or is a "pop-up" window 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.
*
* Since: 2.6
**/
void
gdk_x11_window_set_user_time (GdkWindow *window,
guint32 timestamp)
{
GdkDisplay *display;
GdkDisplayX11 *display_x11;
GdkToplevelX11 *toplevel;
glong timestamp_long = (glong)timestamp;
Window xid;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = gdk_window_get_display (window);
display_x11 = GDK_DISPLAY_X11 (display);
toplevel = _gdk_x11_window_get_toplevel (window);
if (!toplevel)
{
g_warning ("gdk_window_set_user_time called on non-toplevel\n");
return;
}
if (toplevel->focus_window != None &&
gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
gdk_atom_intern_static_string ("_NET_WM_USER_TIME_WINDOW")))
xid = toplevel->focus_window;
else
xid = GDK_WINDOW_XID (window);
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;
}
#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_window_update_icon (GdkWindow *window,
GList *icon_list)
{
GdkToplevelX11 *toplevel;
GdkPixbuf *best_icon;
GList *tmp_list;
int best_size;
toplevel = _gdk_x11_window_get_toplevel (window);
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)
{
GdkPixbuf *pixbuf = tmp_list->data;
int this;
/* average width and height - if someone passes in a rectangular
* icon they deserve what they get.
*/
this = gdk_pixbuf_get_width (pixbuf) + gdk_pixbuf_get_height (pixbuf);
this /= 2;
if (best_icon == NULL)
{
best_icon = pixbuf;
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 = pixbuf;
best_size = this;
}
}
}
if (best_icon)
{
int width = gdk_pixbuf_get_width (best_icon);
int height = gdk_pixbuf_get_height (best_icon);
cairo_t *cr;
toplevel->icon_pixmap = gdk_x11_window_create_pixmap_surface (window,
width,
height);
cr = cairo_create (toplevel->icon_pixmap);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
gdk_cairo_set_source_pixbuf (cr, best_icon, 0, 0);
if (gdk_pixbuf_get_has_alpha (best_icon))
{
/* 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 (gdk_pixbuf_get_has_alpha (best_icon))
{
toplevel->icon_mask = _gdk_x11_window_create_bitmap_surface (window,
width,
height);
cr = cairo_create (toplevel->icon_mask);
gdk_cairo_set_source_pixbuf (cr, best_icon, 0, 0);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
cairo_destroy (cr);
}
}
update_wm_hints (window, FALSE);
}
/**
* gdk_window_set_icon_list:
* @window: The #GdkWindow toplevel window to set the icon of.
* @pixbufs: (transfer none) (element-type GdkPixbuf):
* A list of pixbufs, of different sizes.
*
* Sets a list of icons for the window. One of these will be used
* to represent the window when it has been iconified. The icon is
* usually shown in an icon box or some sort of task bar. Which icon
* size is shown depends on the window manager. The window manager
* can scale the icon but setting several size icons can give better
* image quality since the window manager may only need to scale the
* icon by a small amount or not at all.
*
**/
void
gdk_window_set_icon_list (GdkWindow *window,
GList *pixbufs)
{
gulong *data;
guchar *pixels;
gulong *p;
gint size;
GList *l;
GdkPixbuf *pixbuf;
gint width, height, stride;
gint x, y;
gint n_channels;
GdkDisplay *display;
gint n;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = gdk_window_get_display (window);
l = pixbufs;
size = 0;
n = 0;
while (l)
{
pixbuf = l->data;
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
/* silently ignore overlarge icons */
if (size + 2 + width * height > GDK_SELECTION_MAX_SIZE(display))
{
g_warning ("gdk_window_set_icon_list: icons too large");
break;
}
n++;
size += 2 + width * height;
l = g_list_next (l);
}
data = g_malloc (size * sizeof (gulong));
l = pixbufs;
p = data;
while (l && n > 0)
{
pixbuf = l->data;
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
stride = gdk_pixbuf_get_rowstride (pixbuf);
n_channels = gdk_pixbuf_get_n_channels (pixbuf);
*p++ = width;
*p++ = height;
pixels = gdk_pixbuf_get_pixels (pixbuf);
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
guchar r, g, b, a;
r = pixels[y*stride + x*n_channels + 0];
g = pixels[y*stride + x*n_channels + 1];
b = pixels[y*stride + x*n_channels + 2];
if (n_channels >= 4)
a = pixels[y*stride + x*n_channels + 3];
else
a = 255;
*p++ = a << 24 | r << 16 | g << 8 | b ;
}
}
l = g_list_next (l);
n--;
}
if (size > 0)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
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_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"));
}
g_free (data);
gdk_window_update_icon (window, pixbufs);
}
static gboolean
gdk_window_icon_name_set (GdkWindow *window)
{
return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (window),
g_quark_from_static_string ("gdk-icon-name-set")));
}
/**
* gdk_window_set_icon_name:
* @window: a toplevel #GdkWindow
* @name: name of window while iconified (minimized)
*
* Windows may have a name used while minimized, distinct from the
* name they display in their titlebar. Most of the time this is a bad
* idea from a user interface standpoint. But you can set such a name
* with this function, if you like.
*
* After calling this with a non-%NULL @name, calls to gdk_window_set_title()
* will not update the icon title.
*
* Using %NULL for @name unsets the icon title; further calls to
* gdk_window_set_title() will again update the icon title as well.
**/
void
gdk_window_set_icon_name (GdkWindow *window,
const gchar *name)
{
GdkDisplay *display;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
display = gdk_window_get_display (window);
g_object_set_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"),
GUINT_TO_POINTER (name != NULL));
if (name != NULL)
{
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
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_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
name);
}
else
{
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"));
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"));
}
}
/**
* gdk_window_iconify:
* @window: a toplevel #GdkWindow
*
* Asks to iconify (minimize) @window. The window manager may choose
* to ignore the request, but normally will honor it. Using
* gtk_window_iconify() is preferred, if you have a #GtkWindow widget.
*
* This function only makes sense when @window is a toplevel window.
*
**/
void
gdk_window_iconify (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
XIconifyWindow (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XWINDOW (window),
gdk_screen_get_number (GDK_WINDOW_SCREEN (window)));
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_ICONIFIED);
}
}
/**
* gdk_window_deiconify:
* @window: a toplevel #GdkWindow
*
* Attempt to deiconify (unminimize) @window. On X11 the window manager may
* choose to ignore the request to deiconify. When using GTK+,
* use gtk_window_deiconify() instead of the #GdkWindow variant. Or better yet,
* you probably want to use gtk_window_present(), which raises the window, focuses it,
* unminimizes it, and puts it on the current desktop.
*
**/
void
gdk_window_deiconify (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
gdk_window_show (window);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_ICONIFIED,
0);
}
}
/**
* gdk_window_stick:
* @window: a toplevel #GdkWindow
*
* "Pins" a window such that it's on all workspaces and does not scroll
* with viewports, for window managers that have scrollable viewports.
* (When using #GtkWindow, gtk_window_stick() may be more useful.)
*
* On the X11 platform, this function depends on window manager
* support, so may have no effect with many window managers. However,
* GDK will do the best it can to convince the window manager to stick
* the window. For window managers that don't support this operation,
* there's nothing you can do to force it to happen.
*
**/
void
gdk_window_stick (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
/* "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, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_STICKY"),
GDK_NONE);
/* Request desktop 0xFFFFFFFF */
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_WINDOW_XWINDOW (window);
xclient.display = GDK_WINDOW_XDISPLAY (window);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
"_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_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_STICKY);
}
}
/**
* gdk_window_unstick:
* @window: a toplevel #GdkWindow
*
* Reverse operation for gdk_window_stick(); see gdk_window_stick(),
* and gtk_window_unstick().
*
**/
void
gdk_window_unstick (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
/* Request unstick from viewport */
gdk_wmspec_change_state (FALSE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_STICKY"),
GDK_NONE);
move_to_current_desktop (window);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_STICKY,
0);
}
}
/**
* gdk_window_maximize:
* @window: a toplevel #GdkWindow
*
* Maximizes the window. If the window was already maximized, then
* this function does nothing.
*
* On X11, asks the window manager to maximize @window, if the window
* manager supports this operation. Not all window managers support
* this, and some deliberately ignore it or don't have a concept of
* "maximized"; so you can't rely on the maximization actually
* happening. But it will happen with most standard window managers,
* and GDK makes a best effort to get it to happen.
*
* On Windows, reliably maximizes the window.
*
**/
void
gdk_window_maximize (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (TRUE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_MAXIMIZED_VERT"),
gdk_atom_intern_static_string ("_NET_WM_STATE_MAXIMIZED_HORZ"));
else
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_MAXIMIZED);
}
/**
* gdk_window_unmaximize:
* @window: a toplevel #GdkWindow
*
* Unmaximizes the window. If the window wasn't maximized, then this
* function does nothing.
*
* On X11, asks the window manager to unmaximize @window, if the
* window manager supports this operation. Not all window managers
* support this, and some deliberately ignore it or don't have a
* concept of "maximized"; so you can't rely on the unmaximization
* actually happening. But it will happen with most standard window
* managers, and GDK makes a best effort to get it to happen.
*
* On Windows, reliably unmaximizes the window.
*
**/
void
gdk_window_unmaximize (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (FALSE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_MAXIMIZED_VERT"),
gdk_atom_intern_static_string ("_NET_WM_STATE_MAXIMIZED_HORZ"));
else
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_MAXIMIZED,
0);
}
/**
* gdk_window_fullscreen:
* @window: a toplevel #GdkWindow
*
* Moves the window into fullscreen mode. This means the
* window covers the entire screen and is above any panels
* or task bars.
*
* If the window was already fullscreen, then this function does nothing.
*
* On X11, asks the window manager to put @window in a fullscreen
* state, if the window manager supports this operation. Not all
* window managers support this, and some deliberately ignore it or
* don't have a concept of "fullscreen"; so you can't rely on the
* fullscreenification actually happening. But it will happen with
* most standard window managers, and GDK makes a best effort to get
* it to happen.
*
* Since: 2.2
**/
void
gdk_window_fullscreen (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (TRUE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_FULLSCREEN"),
GDK_NONE);
else
gdk_synthesize_window_state (window,
0,
GDK_WINDOW_STATE_FULLSCREEN);
}
/**
* gdk_window_unfullscreen:
* @window: a toplevel #GdkWindow
*
* Moves the window out of fullscreen mode. If the window was not
* fullscreen, does nothing.
*
* On X11, asks the window manager to move @window out of the fullscreen
* state, if the window manager supports this operation. Not all
* window managers support this, and some deliberately ignore it or
* don't have a concept of "fullscreen"; so you can't rely on the
* unfullscreenification actually happening. But it will happen with
* most standard window managers, and GDK makes a best effort to get
* it to happen.
*
* Since: 2.2
**/
void
gdk_window_unfullscreen (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
gdk_wmspec_change_state (FALSE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_FULLSCREEN"),
GDK_NONE);
else
gdk_synthesize_window_state (window,
GDK_WINDOW_STATE_FULLSCREEN,
0);
}
/**
* gdk_window_set_keep_above:
* @window: a toplevel #GdkWindow
* @setting: whether to keep @window above other windows
*
* Set if @window must be kept above other windows. If the
* window was already above, then this function does nothing.
*
* On X11, asks the window manager to keep @window above, if the window
* manager supports this operation. Not all window managers support
* this, and some deliberately ignore it or don't have a concept of
* "keep above"; so you can't rely on the window being kept above.
* But it will happen with most standard window managers,
* and GDK makes a best effort to get it to happen.
*
* Since: 2.4
**/
void
gdk_window_set_keep_above (GdkWindow *window,
gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
if (setting)
gdk_wmspec_change_state (FALSE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_BELOW"),
GDK_NONE);
gdk_wmspec_change_state (setting, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_ABOVE"),
GDK_NONE);
}
else
gdk_synthesize_window_state (window,
setting ? GDK_WINDOW_STATE_BELOW : GDK_WINDOW_STATE_ABOVE,
setting ? GDK_WINDOW_STATE_ABOVE : 0);
}
/**
* gdk_window_set_keep_below:
* @window: a toplevel #GdkWindow
* @setting: whether to keep @window below other windows
*
* Set if @window must be kept below other windows. If the
* window was already below, then this function does nothing.
*
* On X11, asks the window manager to keep @window below, if the window
* manager supports this operation. Not all window managers support
* this, and some deliberately ignore it or don't have a concept of
* "keep below"; so you can't rely on the window being kept below.
* But it will happen with most standard window managers,
* and GDK makes a best effort to get it to happen.
*
* Since: 2.4
**/
void
gdk_window_set_keep_below (GdkWindow *window, gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
if (setting)
gdk_wmspec_change_state (FALSE, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_ABOVE"),
GDK_NONE);
gdk_wmspec_change_state (setting, window,
gdk_atom_intern_static_string ("_NET_WM_STATE_BELOW"),
GDK_NONE);
}
else
gdk_synthesize_window_state (window,
setting ? GDK_WINDOW_STATE_ABOVE : GDK_WINDOW_STATE_BELOW,
setting ? GDK_WINDOW_STATE_BELOW : 0);
}
/**
* gdk_window_get_group:
* @window: a toplevel #GdkWindow
*
* Returns the group leader window for @window. See gdk_window_set_group().
*
* Return value: (transfer none): the group leader window for @window
*
* Since: 2.4
**/
GdkWindow *
gdk_window_get_group (GdkWindow *window)
{
GdkToplevelX11 *toplevel;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL (window))
return NULL;
toplevel = _gdk_x11_window_get_toplevel (window);
return toplevel->group_leader;
}
/**
* gdk_window_set_group:
* @window: a toplevel #GdkWindow
* @leader: group leader window, or %NULL to restore the default group leader window
*
* Sets the group leader window for @window. By default,
* GDK sets the group leader for all toplevel windows
* to a global window implicitly created by GDK. With this function
* you can override this default.
*
* The group leader window allows the window manager to distinguish
* all windows that belong to a single application. It may for example
* allow users to minimize/unminimize all windows belonging to an
* application at once. You should only set a non-default group window
* if your application pretends to be multiple applications.
**/
void
gdk_window_set_group (GdkWindow *window,
GdkWindow *leader)
{
GdkToplevelX11 *toplevel;
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
g_return_if_fail (leader == NULL || GDK_IS_WINDOW (leader));
if (GDK_WINDOW_DESTROYED (window) ||
(leader != NULL && GDK_WINDOW_DESTROYED (leader)) ||
!WINDOW_IS_TOPLEVEL (window))
return;
toplevel = _gdk_x11_window_get_toplevel (window);
if (leader == NULL)
leader = gdk_display_get_default_group (gdk_window_get_display (window));
if (toplevel->group_leader != leader)
{
if (toplevel->group_leader)
g_object_unref (toplevel->group_leader);
toplevel->group_leader = g_object_ref (leader);
(_gdk_x11_window_get_toplevel (leader))->is_leader = TRUE;
}
update_wm_hints (window, FALSE);
}
static MotifWmHints *
gdk_window_get_mwm_hints (GdkWindow *window)
{
GdkDisplay *display;
Atom hints_atom = None;
guchar *data;
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
if (GDK_WINDOW_DESTROYED (window))
return NULL;
display = gdk_window_get_display (window);
hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
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_window_set_mwm_hints (GdkWindow *window,
MotifWmHints *new_hints)
{
GdkDisplay *display;
Atom hints_atom = None;
guchar *data;
MotifWmHints *hints;
Atom type;
gint format;
gulong nitems;
gulong bytes_after;
if (GDK_WINDOW_DESTROYED (window))
return;
display = gdk_window_get_display (window);
hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
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_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
hints_atom, hints_atom, 32, PropModeReplace,
(guchar *)hints, sizeof (MotifWmHints)/sizeof (long));
if (hints != new_hints)
XFree (hints);
}
/**
* gdk_window_set_decorations:
* @window: a toplevel #GdkWindow
* @decorations: decoration hint mask
*
* "Decorations" are the features the window manager adds to a toplevel #GdkWindow.
* This function sets the traditional Motif window manager hints that tell the
* window manager which decorations you would like your window to have.
* Usually you should use gtk_window_set_decorated() on a #GtkWindow instead of
* using the GDK function directly.
*
* The @decorations argument is the logical OR of the fields in
* the #GdkWMDecoration enumeration. If #GDK_DECOR_ALL is included in the
* mask, the other bits indicate which decorations should be turned off.
* If #GDK_DECOR_ALL is not included, then the other bits indicate
* which decorations should be turned on.
*
* Most window managers honor a decorations hint of 0 to disable all decorations,
* but very few honor all possible combinations of bits.
*
**/
void
gdk_window_set_decorations (GdkWindow *window,
GdkWMDecoration decorations)
{
MotifWmHints hints;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
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_window_set_mwm_hints (window, &hints);
}
/**
* gdk_window_get_decorations:
* @window: The toplevel #GdkWindow to get the decorations from
* @decorations: The window decorations will be written here
*
* Returns the decorations set on the GdkWindow with
* gdk_window_set_decorations().
*
* Returns: %TRUE if the window has decorations set, %FALSE otherwise.
**/
gboolean
gdk_window_get_decorations(GdkWindow *window,
GdkWMDecoration *decorations)
{
MotifWmHints *hints;
gboolean result = FALSE;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return FALSE;
hints = gdk_window_get_mwm_hints (window);
if (hints)
{
if (hints->flags & MWM_HINTS_DECORATIONS)
{
if (decorations)
*decorations = hints->decorations;
result = TRUE;
}
XFree (hints);
}
return result;
}
/**
* gdk_window_set_functions:
* @window: a toplevel #GdkWindow
* @functions: bitmask of operations to allow on @window
*
* Sets hints about the window management functions to make available
* via buttons on the window frame.
*
* On the X backend, this function sets the traditional Motif window
* manager hint for this purpose. However, few window managers do
* anything reliable or interesting with this hint. Many ignore it
* entirely.
*
* The @functions argument is the logical OR of values from the
* #GdkWMFunction enumeration. If the bitmask includes #GDK_FUNC_ALL,
* then the other bits indicate which functions to disable; if
* it doesn't include #GDK_FUNC_ALL, it indicates which functions to
* enable.
*
**/
void
gdk_window_set_functions (GdkWindow *window,
GdkWMFunction functions)
{
MotifWmHints hints;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
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_window_set_mwm_hints (window, &hints);
}
cairo_region_t *
_xwindow_get_shape (Display *xdisplay,
Window window,
gint shape_type)
{
cairo_region_t *shape;
GdkRectangle *rl;
XRectangle *xrl;
gint rn, ord, i;
shape = NULL;
rn = 0;
xrl = XShapeGetRectangles (xdisplay,
window,
shape_type, &rn, &ord);
if (xrl == NULL || 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;
}
rl = g_new (GdkRectangle, rn);
for (i = 0; i < rn; i++)
{
rl[i].x = xrl[i].x;
rl[i].y = xrl[i].y;
rl[i].width = xrl[i].width;
rl[i].height = xrl[i].height;
}
XFree (xrl);
shape = cairo_region_create_rectangles (rl, rn);
g_free (rl);
return shape;
}
cairo_region_t *
_gdk_windowing_window_get_shape (GdkWindow *window)
{
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window)))
return _xwindow_get_shape (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window), ShapeBounding);
return NULL;
}
cairo_region_t *
_gdk_windowing_window_get_input_shape (GdkWindow *window)
{
#if defined(ShapeInput)
if (!GDK_WINDOW_DESTROYED (window) &&
gdk_display_supports_shapes (GDK_WINDOW_DISPLAY (window)))
return _xwindow_get_shape (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
ShapeInput);
#endif
return NULL;
}
static void
gdk_window_set_static_bit_gravity (GdkWindow *window,
gboolean on)
{
XSetWindowAttributes xattributes;
GdkWindowObject *private;
guint xattributes_mask = 0;
g_return_if_fail (GDK_IS_WINDOW (window));
private = GDK_WINDOW_OBJECT (window);
if (private->input_only)
return;
xattributes.bit_gravity = StaticGravity;
xattributes_mask |= CWBitGravity;
xattributes.bit_gravity = on ? StaticGravity : ForgetGravity;
XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
CWBitGravity, &xattributes);
}
static void
gdk_window_set_static_win_gravity (GdkWindow *window,
gboolean on)
{
XSetWindowAttributes xattributes;
g_return_if_fail (GDK_IS_WINDOW (window));
xattributes.win_gravity = on ? StaticGravity : NorthWestGravity;
XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
CWWinGravity, &xattributes);
}
static gboolean
gdk_window_x11_set_static_gravities (GdkWindow *window,
gboolean use_static)
{
GdkWindowObject *private = (GdkWindowObject *)window;
GList *tmp_list;
if (!use_static == !private->guffaw_gravity)
return TRUE;
private->guffaw_gravity = use_static;
if (!GDK_WINDOW_DESTROYED (window))
{
gdk_window_set_static_bit_gravity (window, use_static);
tmp_list = private->children;
while (tmp_list)
{
gdk_window_set_static_win_gravity (tmp_list->data, use_static);
tmp_list = tmp_list->next;
}
}
return TRUE;
}
static void
wmspec_moveresize (GdkWindow *window,
gint direction,
gint root_x,
gint root_y,
guint32 timestamp)
{
GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
XClientMessageEvent xclient;
/* Release passive grab */
gdk_display_pointer_ungrab (display, timestamp);
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_WINDOW_XID (window);
xclient.message_type =
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_MOVERESIZE");
xclient.format = 32;
xclient.data.l[0] = root_x;
xclient.data.l[1] = root_y;
xclient.data.l[2] = direction;
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
typedef struct _MoveResizeData MoveResizeData;
struct _MoveResizeData
{
GdkDisplay *display;
GdkWindow *moveresize_window;
GdkWindow *moveresize_emulation_window;
gboolean is_resize;
GdkWindowEdge resize_edge;
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;
GdkWindowHints moveresize_geom_mask;
GdkGeometry moveresize_geometry;
Time moveresize_process_time;
XEvent *moveresize_pending_event;
};
/* 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
static void
wmspec_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
gint direction;
/* Let the compiler turn a switch into a table, instead
* of doing the table manually, this way is easier to verify.
*/
switch (edge)
{
case GDK_WINDOW_EDGE_NORTH_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
break;
case GDK_WINDOW_EDGE_NORTH:
direction = _NET_WM_MOVERESIZE_SIZE_TOP;
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
break;
case GDK_WINDOW_EDGE_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_LEFT;
break;
case GDK_WINDOW_EDGE_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_RIGHT;
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
break;
case GDK_WINDOW_EDGE_SOUTH:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
break;
default:
g_warning ("gdk_window_begin_resize_drag: bad resize edge %d!",
edge);
return;
}
wmspec_moveresize (window, direction, root_x, root_y, timestamp);
}
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-window-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
update_pos (MoveResizeData *mv_resize,
gint new_root_x,
gint new_root_y)
{
gint dx, dy;
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_WINDOW_EDGE_NORTH_WEST:
x += dx;
y += dy;
w -= dx;
h -= dy;
break;
case GDK_WINDOW_EDGE_NORTH:
y += dy;
h -= dy;
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
y += dy;
h -= dy;
w += dx;
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
h += dy;
x += dx;
w -= dx;
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
w += dx;
h += dy;
break;
case GDK_WINDOW_EDGE_SOUTH:
h += dy;
break;
case GDK_WINDOW_EDGE_EAST:
w += dx;
break;
case GDK_WINDOW_EDGE_WEST:
x += dx;
w -= dx;
break;
}
x = MAX (x, 0);
y = MAX (y, 0);
w = MAX (w, 1);
h = MAX (h, 1);
if (mv_resize->moveresize_geom_mask)
{
gdk_window_constrain_size (&mv_resize->moveresize_geometry,
mv_resize->moveresize_geom_mask,
w, h, &w, &h);
}
gdk_window_move_resize (mv_resize->moveresize_window, x, y, w, h);
}
else
{
gint x, y;
x = mv_resize->moveresize_orig_x + dx;
y = mv_resize->moveresize_orig_y + dy;
gdk_window_move (mv_resize->moveresize_window, x, y);
}
}
static void
finish_drag (MoveResizeData *mv_resize)
{
gdk_window_destroy (mv_resize->moveresize_emulation_window);
mv_resize->moveresize_emulation_window = NULL;
g_object_unref (mv_resize->moveresize_window);
mv_resize->moveresize_window = NULL;
if (mv_resize->moveresize_pending_event)
{
g_free (mv_resize->moveresize_pending_event);
mv_resize->moveresize_pending_event = NULL;
}
}
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,
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_moveresize_handle_event (XEvent *event)
{
guint button_mask = 0;
GdkWindowObject *window_private;
GdkDisplay *display = gdk_x11_lookup_xdisplay (event->xany.display);
MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
if (!mv_resize || !mv_resize->moveresize_window)
return FALSE;
window_private = (GdkWindowObject *) mv_resize->moveresize_window;
button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1);
switch (event->xany.type)
{
case MotionNotify:
if (window_private->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,
event->xmotion.y_root);
/* 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)
finish_drag (mv_resize);
break;
case ButtonRelease:
update_pos (mv_resize,
event->xbutton.x_root,
event->xbutton.y_root);
if (event->xbutton.button == mv_resize->moveresize_button)
finish_drag (mv_resize);
break;
}
return TRUE;
}
gboolean
_gdk_moveresize_configure_done (GdkDisplay *display,
GdkWindow *window)
{
XEvent *tmp_event;
MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
if (!mv_resize || window != mv_resize->moveresize_window)
return FALSE;
if (mv_resize->moveresize_pending_event)
{
tmp_event = mv_resize->moveresize_pending_event;
mv_resize->moveresize_pending_event = NULL;
_gdk_moveresize_handle_event (tmp_event);
g_free (tmp_event);
}
return TRUE;
}
static void
create_moveresize_window (MoveResizeData *mv_resize,
guint32 timestamp)
{
GdkWindowAttr attributes;
gint attributes_mask;
GdkGrabStatus status;
g_assert (mv_resize->moveresize_emulation_window == NULL);
attributes.x = -100;
attributes.y = -100;
attributes.width = 10;
attributes.height = 10;
attributes.window_type = GDK_WINDOW_TEMP;
attributes.wclass = GDK_INPUT_ONLY;
attributes.override_redirect = TRUE;
attributes.event_mask = 0;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
mv_resize->moveresize_emulation_window =
gdk_window_new (gdk_screen_get_root_window (gdk_display_get_default_screen (mv_resize->display)),
&attributes,
attributes_mask);
gdk_window_show (mv_resize->moveresize_emulation_window);
status = gdk_pointer_grab (mv_resize->moveresize_emulation_window,
FALSE,
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL,
NULL,
timestamp);
if (status != GDK_GRAB_SUCCESS)
{
/* If this fails, some other client has grabbed the window
* 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
window.
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_window_get_origin (mv_resize->moveresize_window,
&mv_resize->moveresize_orig_x,
&mv_resize->moveresize_orig_y);
}
else
{
gdk_window_get_frame_extents (mv_resize->moveresize_window, &rect);
gdk_window_get_geometry (mv_resize->moveresize_window,
NULL, NULL, &width, &height, NULL);
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;
default:
mv_resize->moveresize_orig_x = rect.x;
mv_resize->moveresize_orig_y = rect.y;
break;
}
}
}
static void
emulate_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
mv_resize->is_resize = TRUE;
mv_resize->moveresize_button = button;
mv_resize->resize_edge = edge;
mv_resize->moveresize_x = root_x;
mv_resize->moveresize_y = root_y;
mv_resize->moveresize_window = g_object_ref (window);
mv_resize->moveresize_orig_width = gdk_window_get_width (window);
mv_resize->moveresize_orig_height = gdk_window_get_height (window);
mv_resize->moveresize_geom_mask = 0;
gdk_window_get_geometry_hints (window,
&mv_resize->moveresize_geometry,
&mv_resize->moveresize_geom_mask);
calculate_unmoving_origin (mv_resize);
create_moveresize_window (mv_resize, timestamp);
}
static void
emulate_move_drag (GdkWindow *window,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
mv_resize->is_resize = FALSE;
mv_resize->moveresize_button = button;
mv_resize->moveresize_x = root_x;
mv_resize->moveresize_y = root_y;
mv_resize->moveresize_window = g_object_ref (window);
calculate_unmoving_origin (mv_resize);
create_moveresize_window (mv_resize, timestamp);
}
/**
* gdk_window_begin_resize_drag:
* @window: a toplevel #GdkWindow
* @edge: the edge or corner from which the drag is started
* @button: the button being used to drag
* @root_x: root window X coordinate of mouse click that began the drag
* @root_y: root window Y coordinate of mouse click that began the drag
* @timestamp: timestamp of mouse click that began the drag (use gdk_event_get_time())
*
* Begins a window resize operation (for a toplevel window).
* You might use this function to implement a "window resize grip," for
* example; in fact #GtkStatusbar uses it. The function works best
* with window managers that support the <ulink url="http://www.freedesktop.org/Standards/wm-spec">Extended Window Manager Hints</ulink>, but has a
* fallback implementation for other window managers.
*
**/
void
gdk_window_begin_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
gdk_atom_intern_static_string ("_NET_WM_MOVERESIZE")))
wmspec_resize_drag (window, edge, button, root_x, root_y, timestamp);
else
emulate_resize_drag (window, edge, button, root_x, root_y, timestamp);
}
/**
* gdk_window_begin_move_drag:
* @window: a toplevel #GdkWindow
* @button: the button being used to drag
* @root_x: root window X coordinate of mouse click that began the drag
* @root_y: root window Y coordinate of mouse click that began the drag
* @timestamp: timestamp of mouse click that began the drag
*
* Begins a window move operation (for a toplevel window). You might
* use this function to implement a "window move grip," for
* example. The function works best with window managers that support
* the <ulink url="http://www.freedesktop.org/Standards/wm-spec">Extended
* Window Manager Hints</ulink>, but has a fallback implementation for
* other window managers.
*
**/
void
gdk_window_begin_move_drag (GdkWindow *window,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL (window))
return;
if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
gdk_atom_intern_static_string ("_NET_WM_MOVERESIZE")))
wmspec_moveresize (window, _NET_WM_MOVERESIZE_MOVE, root_x, root_y,
timestamp);
else
emulate_move_drag (window, button, root_x, root_y, timestamp);
}
/**
* gdk_window_enable_synchronized_configure:
* @window: a toplevel #GdkWindow
*
* Indicates that the application will cooperate with the window
* system in synchronizing the window repaint with the window
* manager during resizing operations. After an application calls
* this function, it must call gdk_window_configure_finished() every
* time it has finished all processing associated with a set of
* Configure events. Toplevel GTK+ windows automatically use this
* protocol.
*
* On X, calling this function makes @window participate in the
* _NET_WM_SYNC_REQUEST window manager protocol.
*
* Since: 2.6
**/
void
gdk_window_enable_synchronized_configure (GdkWindow *window)
{
GdkWindowObject *private = (GdkWindowObject *)window;
GdkWindowImplX11 *impl;
if (!GDK_IS_WINDOW_IMPL_X11 (private->impl))
return;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
if (!impl->use_synchronized_configure)
{
/* This basically means you want to do fancy X specific stuff, so
ensure we have a native window */
gdk_window_ensure_native (window);
impl->use_synchronized_configure = TRUE;
ensure_sync_counter (window);
}
}
/**
* gdk_window_configure_finished:
* @window: a toplevel #GdkWindow
*
* Signal to the window system that the application has finished
* handling Configure events it has received. Window Managers can
* use this to better synchronize the frame repaint with the
* application. GTK+ applications will automatically call this
* function when appropriate.
*
* This function can only be called if gdk_window_enable_synchronized_configure()
* was called previously.
*
* Since: 2.6
**/
void
gdk_window_configure_finished (GdkWindow *window)
{
GdkWindowImplX11 *impl;
if (!WINDOW_IS_TOPLEVEL (window))
return;
impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *)window)->impl);
if (!impl->use_synchronized_configure)
return;
#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_DISPLAY_X11 (display)->use_sync &&
!XSyncValueIsZero (toplevel->current_counter_value))
{
XSyncSetCounter (GDK_WINDOW_XDISPLAY (window),
toplevel->update_counter,
toplevel->current_counter_value);
XSyncIntToValue (&toplevel->current_counter_value, 0);
}
}
#endif
}
void
_gdk_windowing_window_beep (GdkWindow *window)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_WINDOW (window));
display = GDK_WINDOW_DISPLAY (window);
#ifdef HAVE_XKB
if (GDK_DISPLAY_X11 (display)->use_xkb)
XkbBell (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
0,
None);
else
#endif
gdk_display_beep (display);
}
/**
* gdk_window_set_opacity:
* @window: a top-level #GdkWindow
* @opacity: opacity
*
* Request the windowing system to make @window partially transparent,
* with opacity 0 being fully transparent and 1 fully opaque. (Values
* of the opacity parameter are clamped to the [0,1] range.)
*
* On X11, this works only on X screens with a compositing manager
* running.
*
* For setting up per-pixel alpha, see gdk_screen_get_rgba_visual().
* For making non-toplevel windows translucent, see
* gdk_window_set_composited().
*
* Since: 2.12
*/
void
gdk_window_set_opacity (GdkWindow *window,
gdouble opacity)
{
GdkDisplay *display;
guint32 cardinal;
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL (window))
return;
display = gdk_window_get_display (window);
if (opacity < 0)
opacity = 0;
else if (opacity > 1)
opacity = 1;
cardinal = opacity * 0xffffffff;
if (cardinal == 0xffffffff)
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_OPACITY"));
else
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
GDK_WINDOW_XID (window),
gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_OPACITY"),
XA_CARDINAL, 32,
PropModeReplace,
(guchar *) &cardinal, 1);
}
void
_gdk_windowing_window_set_composited (GdkWindow *window,
gboolean composited)
{
#if defined(HAVE_XCOMPOSITE) && defined(HAVE_XDAMAGE) && defined (HAVE_XFIXES)
GdkWindowObject *private = (GdkWindowObject *) window;
GdkWindowImplX11 *impl;
GdkDisplay *display;
Display *dpy;
Window xid;
impl = GDK_WINDOW_IMPL_X11 (private->impl);
display = gdk_screen_get_display (GDK_DRAWABLE_IMPL_X11 (impl)->screen);
dpy = GDK_DISPLAY_XDISPLAY (display);
xid = GDK_WINDOW_XWINDOW (private);
if (composited)
{
XCompositeRedirectWindow (dpy, xid, CompositeRedirectManual);
impl->damage = XDamageCreate (dpy, xid, XDamageReportBoundingBox);
}
else
{
XCompositeUnredirectWindow (dpy, xid, CompositeRedirectManual);
XDamageDestroy (dpy, impl->damage);
impl->damage = None;
}
#endif
}
void
_gdk_windowing_window_process_updates_recurse (GdkWindow *window,
cairo_region_t *region)
{
_gdk_window_process_updates_recurse (window, region);
}
void
_gdk_windowing_before_process_all_updates (void)
{
}
void
_gdk_windowing_after_process_all_updates (void)
{
}
static void
gdk_window_impl_iface_init (GdkWindowImplIface *iface)
{
iface->show = gdk_window_x11_show;
iface->hide = gdk_window_x11_hide;
iface->withdraw = gdk_window_x11_withdraw;
iface->set_events = gdk_window_x11_set_events;
iface->get_events = gdk_window_x11_get_events;
iface->raise = gdk_window_x11_raise;
iface->lower = gdk_window_x11_lower;
iface->restack_under = gdk_window_x11_restack_under;
iface->restack_toplevel = gdk_window_x11_restack_toplevel;
iface->move_resize = gdk_window_x11_move_resize;
iface->set_background = gdk_window_x11_set_background;
iface->reparent = gdk_window_x11_reparent;
iface->set_device_cursor = gdk_window_x11_set_device_cursor;
iface->get_geometry = gdk_window_x11_get_geometry;
iface->get_root_coords = gdk_window_x11_get_root_coords;
iface->get_device_state = gdk_window_x11_get_device_state;
iface->shape_combine_region = gdk_window_x11_shape_combine_region;
iface->input_shape_combine_region = gdk_window_x11_input_shape_combine_region;
iface->set_static_gravities = gdk_window_x11_set_static_gravities;
iface->queue_antiexpose = _gdk_x11_window_queue_antiexpose;
iface->translate = _gdk_x11_window_translate;
iface->destroy = _gdk_x11_window_destroy;
iface->resize_cairo_surface = gdk_window_x11_resize_cairo_surface;
}
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:
* @window: a #GdkWindow, used for communication with the server.
* The window must have GDK_PROPERTY_CHANGE_MASK in its
* events mask or a hang will result.
*
* Routine to get the current X server time stamp.
*
* Return value: the time stamp.
**/
guint32
gdk_x11_get_server_time (GdkWindow *window)
{
Display *xdisplay;
Window xwindow;
guchar c = 'a';
XEvent xevent;
Atom timestamp_prop_atom;
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
g_return_val_if_fail (!GDK_WINDOW_DESTROYED (window), 0);
xdisplay = GDK_WINDOW_XDISPLAY (window);
xwindow = GDK_WINDOW_XWINDOW (window);
timestamp_prop_atom =
gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
"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;
}
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