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116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include "gdkprivate-x11.h"
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#include "gdkdisplay-x11.h"
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#include <stdio.h>
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static guint
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gdk_xid_hash (XID *xid)
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{
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return *xid;
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}
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static gboolean
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gdk_xid_equal (XID *a, XID *b)
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{
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return (*a == *b);
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}
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void
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_gdk_x11_display_add_window (GdkDisplay *display,
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XID *xid,
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GdkSurface *data)
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{
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GdkX11Display *display_x11;
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g_return_if_fail (xid != NULL);
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g_return_if_fail (GDK_IS_DISPLAY (display));
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display_x11 = GDK_X11_DISPLAY (display);
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if (!display_x11->xid_ht)
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display_x11->xid_ht = g_hash_table_new ((GHashFunc) gdk_xid_hash,
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(GEqualFunc) gdk_xid_equal);
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if (g_hash_table_lookup (display_x11->xid_ht, xid))
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g_warning ("XID collision, trouble ahead");
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g_hash_table_insert (display_x11->xid_ht, xid, data);
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display_x11->toplevels = g_list_prepend (display_x11->toplevels, data);
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}
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void
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_gdk_x11_display_remove_window (GdkDisplay *display,
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XID xid)
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{
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GdkX11Display *display_x11;
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GdkSurface *surface;
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g_return_if_fail (GDK_IS_DISPLAY (display));
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display_x11 = GDK_X11_DISPLAY (display);
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if (!display_x11->xid_ht)
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return;
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surface = g_hash_table_lookup (display_x11->xid_ht, &xid);
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if (surface)
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display_x11->toplevels = g_list_remove (display_x11->toplevels, surface);
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g_hash_table_remove (display_x11->xid_ht, &xid);
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}
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/**
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* gdk_x11_surface_lookup_for_display:
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* @display: (type GdkX11Display): the #GdkDisplay corresponding to the
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* window handle
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* @window: an Xlib Window
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*
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* Looks up the #GdkSurface that wraps the given native window handle.
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*
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* Returns: (transfer none) (type GdkX11Surface): the #GdkSurface wrapper for the native
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* window, or %NULL if there is none.
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*/
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GdkSurface *
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gdk_x11_surface_lookup_for_display (GdkDisplay *display,
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Window window)
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{
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GdkX11Display *display_x11;
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GdkSurface *data = NULL;
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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display_x11 = GDK_X11_DISPLAY (display);
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if (display_x11->xid_ht)
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data = g_hash_table_lookup (display_x11->xid_ht, &window);
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return data;
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}
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