401 lines
9.9 KiB
C
401 lines
9.9 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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.
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*/
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/*
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* GTK+ DirectFB backend
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* Copyright (C) 2001-2002 convergence integrated media GmbH
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* Copyright (C) 2002-2004 convergence GmbH
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* Written by Denis Oliver Kropp <dok@convergence.de> and
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* Sven Neumann <sven@convergence.de>
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*/
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#include <config.h>
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#include "gdk.h"
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#include <string.h>
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#include "gdkproperty.h"
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#include "gdkdirectfb.h"
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#include "gdkprivate-directfb.h"
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#include "gdkinternals.h"
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#include "gdkalias.h"
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static GHashTable *names_to_atoms;
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static GPtrArray *atoms_to_names;
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static const gchar xatoms_string[] =
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/* These are all the standard predefined X atoms */
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"NONE\0"
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"PRIMARY\0"
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"SECONDARY\0"
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"ARC\0"
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"ATOM\0"
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"BITMAP\0"
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"CARDINAL\0"
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"COLORMAP\0"
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"CURSOR\0"
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"CUT_BUFFER0\0"
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"CUT_BUFFER1\0"
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"CUT_BUFFER2\0"
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"CUT_BUFFER3\0"
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"CUT_BUFFER4\0"
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"CUT_BUFFER5\0"
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"CUT_BUFFER6\0"
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"CUT_BUFFER7\0"
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"DRAWABLE\0"
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"FONT\0"
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"INTEGER\0"
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"PIXMAP\0"
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"POINT\0"
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"RECTANGLE\0"
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"RESOURCE_MANAGER\0"
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"RGB_COLOR_MAP\0"
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"RGB_BEST_MAP\0"
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"RGB_BLUE_MAP\0"
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"RGB_DEFAULT_MAP\0"
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"RGB_GRAY_MAP\0"
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"RGB_GREEN_MAP\0"
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"RGB_RED_MAP\0"
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"STRING\0"
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"VISUALID\0"
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"WINDOW\0"
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"WM_COMMAND\0"
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"WM_HINTS\0"
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"WM_CLIENT_MACHINE\0"
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"WM_ICON_NAME\0"
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"WM_ICON_SIZE\0"
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"WM_NAME\0"
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"WM_NORMAL_HINTS\0"
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"WM_SIZE_HINTS\0"
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"WM_ZOOM_HINTS\0"
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"MIN_SPACE\0"
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"NORM_SPACE\0"
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"MAX_SPACE\0"
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"END_SPACE\0"
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"SUPERSCRIPT_X\0"
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"SUPERSCRIPT_Y\0"
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"SUBSCRIPT_X\0"
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"SUBSCRIPT_Y\0"
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"UNDERLINE_POSITION\0"
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"UNDERLINE_THICKNESS\0"
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"STRIKEOUT_ASCENT\0"
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"STRIKEOUT_DESCENT\0"
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"ITALIC_ANGLE\0"
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"X_HEIGHT\0"
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"QUAD_WIDTH\0"
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"WEIGHT\0"
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"POINT_SIZE\0"
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"RESOLUTION\0"
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"COPYRIGHT\0"
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"NOTICE\0"
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"FONT_NAME\0"
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"FAMILY_NAME\0"
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"FULL_NAME\0"
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"CAP_HEIGHT\0"
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"WM_CLASS\0"
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"WM_TRANSIENT_FOR\0"
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;
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static const gint xatoms_offset[] = {
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0, 5, 13, 23, 27, 32, 39, 48, 57, 64, 76, 88,
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100, 112, 124, 136, 148, 160, 169, 174, 182, 189, 195, 205,
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222, 236, 249, 262, 278, 291, 305, 317, 324, 333, 340, 351,
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360, 378, 391, 404, 412, 428, 442, 456, 466, 477, 487, 497,
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511, 525, 537, 549, 568, 588, 605, 623, 636, 645, 656, 663,
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674, 685, 695, 702, 712, 724, 734, 745, 754
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};
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#define N_CUSTOM_PREDEFINED 1
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static void
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ensure_atom_tables (void)
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{
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int i;
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if (names_to_atoms)
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return;
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names_to_atoms = g_hash_table_new (g_str_hash, g_str_equal);
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atoms_to_names = g_ptr_array_sized_new (G_N_ELEMENTS (xatoms_offset));
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for (i = 0; i < G_N_ELEMENTS (xatoms_offset); i++)
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{
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g_hash_table_insert(names_to_atoms, (gchar *)xatoms_string + xatoms_offset[i], GINT_TO_POINTER (i));
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g_ptr_array_add(atoms_to_names, (gchar *)xatoms_string + xatoms_offset[i]);
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}
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}
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static GdkAtom
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intern_atom_internal (const gchar *atom_name, gboolean allocate)
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{
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gpointer result;
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gchar *name;
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g_return_val_if_fail (atom_name != NULL, GDK_NONE);
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ensure_atom_tables ();
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if (g_hash_table_lookup_extended (names_to_atoms, atom_name, NULL, &result))
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return result;
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result = GINT_TO_POINTER (atoms_to_names->len);
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name = allocate ? g_strdup (atom_name) : (gchar *)atom_name;
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g_hash_table_insert(names_to_atoms, name, result);
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g_ptr_array_add(atoms_to_names, name);
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return result;
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}
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GdkAtom
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gdk_atom_intern (const gchar *atom_name,
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gboolean only_if_exists)
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{
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return intern_atom_internal (atom_name, TRUE);
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}
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GdkAtom
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gdk_atom_intern_static_string (const gchar *atom_name)
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{
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return intern_atom_internal (atom_name, FALSE);
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}
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gchar *
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gdk_atom_name (GdkAtom atom)
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{
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if (!atoms_to_names)
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return NULL;
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if (GPOINTER_TO_INT (atom) >= atoms_to_names->len)
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return NULL;
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return g_strdup(g_ptr_array_index (atoms_to_names, GPOINTER_TO_INT (atom)));
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}
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static void
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gdk_property_delete_2 (GdkWindow *window,
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GdkAtom property,
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GdkWindowProperty *prop)
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{
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GdkWindowImplDirectFB *impl;
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GdkEvent *event;
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GdkWindow *event_window;
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impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (window)->impl);
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g_hash_table_remove (impl->properties, GUINT_TO_POINTER (property));
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g_free (prop);
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event_window = gdk_directfb_other_event_window (window, GDK_PROPERTY_NOTIFY);
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if (event_window)
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{
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event = gdk_directfb_event_make (event_window, GDK_PROPERTY_NOTIFY);
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event->property.atom = property;
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event->property.state = GDK_PROPERTY_DELETE;
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}
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}
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void
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gdk_property_delete (GdkWindow *window,
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GdkAtom property)
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{
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GdkWindowImplDirectFB *impl;
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GdkWindowProperty *prop;
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g_return_if_fail (GDK_IS_WINDOW (window));
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impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (window)->impl);
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if (!impl->properties)
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return;
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prop = g_hash_table_lookup (impl->properties, GUINT_TO_POINTER (property));
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if (!prop)
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return;
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gdk_property_delete_2 (window, property, prop);
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}
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gboolean
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gdk_property_get (GdkWindow *window,
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GdkAtom property,
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GdkAtom type,
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gulong offset,
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gulong length,
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gint pdelete,
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GdkAtom *actual_property_type,
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gint *actual_format_type,
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gint *actual_length,
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guchar **data)
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{
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GdkWindowImplDirectFB *impl;
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GdkWindowProperty *prop;
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gint nbytes = 0;
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g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), FALSE);
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g_return_val_if_fail (data != NULL, FALSE);
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if (!window)
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window = _gdk_parent_root;
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if (GDK_WINDOW_DESTROYED (window))
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return FALSE;
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impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (window)->impl);
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if (!impl->properties)
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return FALSE;
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prop = g_hash_table_lookup (impl->properties, GUINT_TO_POINTER (property));
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if (!prop)
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{
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if (actual_property_type)
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*actual_property_type = GDK_NONE;
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return FALSE;
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}
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nbytes = CLAMP (length, 0, prop->length - offset * 4);
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if (nbytes > 0 &&
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(prop->type == 0 /* AnyPropertyType */ || prop->type == type))
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{
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*data = g_malloc (nbytes + 1);
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memcpy (*data, prop->data + offset, nbytes);
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(*data)[nbytes] = 0;
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}
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else
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{
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*data = NULL;
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}
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if (actual_length)
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*actual_length = nbytes;
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if (actual_property_type)
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*actual_property_type = prop->type;
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if (actual_format_type)
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*actual_format_type = prop->format;
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/* only delete the property if it was completely retrieved */
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if (pdelete && length >= *actual_length && *data != NULL)
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{
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gdk_property_delete_2 (window, property, prop);
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}
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return TRUE;
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}
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void
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gdk_property_change (GdkWindow *window,
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GdkAtom property,
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GdkAtom type,
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gint format,
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GdkPropMode mode,
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const guchar *data,
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gint nelements)
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{
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GdkWindowImplDirectFB *impl;
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GdkWindowProperty *prop;
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GdkWindowProperty *new_prop;
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gint new_size = 0;
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GdkEvent *event;
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GdkWindow *event_window;
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g_return_if_fail (window == NULL || GDK_IS_WINDOW (window));
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if (!window)
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window = _gdk_parent_root;
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if (GDK_WINDOW_DESTROYED (window))
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return;
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impl = GDK_WINDOW_IMPL_DIRECTFB (GDK_WINDOW_OBJECT (window)->impl);
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if (!impl->properties)
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impl->properties = g_hash_table_new (NULL, NULL);
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prop = g_hash_table_lookup (impl->properties, GUINT_TO_POINTER (property));
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switch (mode)
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{
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case GDK_PROP_MODE_REPLACE:
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new_size = nelements * (format >> 3);
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break;
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case GDK_PROP_MODE_PREPEND:
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case GDK_PROP_MODE_APPEND:
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new_size = nelements * (format >> 3);
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if (prop)
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{
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if (type != prop->type || format != prop->format)
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return;
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new_size += prop->length;
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}
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break;
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}
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new_prop = g_malloc (G_STRUCT_OFFSET (GdkWindowProperty, data) + new_size);
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new_prop->length = new_size;
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new_prop->type = type;
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new_prop->format = format;
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switch (mode)
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{
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case GDK_PROP_MODE_REPLACE:
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memcpy (new_prop->data, data, new_size);
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break;
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case GDK_PROP_MODE_APPEND:
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if (prop)
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memcpy (new_prop->data, prop->data, prop->length);
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memcpy (new_prop->data + new_prop->length,
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data, (nelements * (format >> 3)));
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break;
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case GDK_PROP_MODE_PREPEND:
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memcpy (new_prop->data, data, (nelements * (format >> 3)));
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if (prop)
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memcpy (new_prop->data + (nelements * (format >> 3)),
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prop->data, prop->length);
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break;
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}
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g_hash_table_insert (impl->properties,
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GUINT_TO_POINTER (property), new_prop);
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g_free (prop);
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event_window = gdk_directfb_other_event_window (window, GDK_PROPERTY_NOTIFY);
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if (event_window)
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{
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event = gdk_directfb_event_make (event_window, GDK_PROPERTY_NOTIFY);
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event->property.atom = property;
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event->property.state = GDK_PROPERTY_NEW_VALUE;
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}
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}
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#define __GDK_PROPERTY_X11_C__
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#include "gdkaliasdef.c"
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