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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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 1997-1999. 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 <string.h>
#include <time.h>
#include "gdkfb.h"
#include "gdkproperty.h"
#include "gdkprivate.h"
#include "gdkprivate-fb.h"
GdkAtom
gdk_atom_intern (const gchar *atom_name,
gboolean only_if_exists)
{
g_return_val_if_fail (atom_name != NULL, GDK_NONE);
return g_quark_from_string(atom_name);
}
gchar*
gdk_atom_name (GdkAtom atom)
{
return g_quark_to_string(atom);
}
static void
gdk_property_delete_2 (GdkWindow *window,
GdkAtom property,
GdkWindowProperty *prop)
{
GdkWindowFBData *fbd = GDK_WINDOW_IMPL_FBDATA(window);
GdkEvent *event;
g_hash_table_remove(fbd->properties, GUINT_TO_POINTER(property));
g_free(prop);
event = gdk_event_make(window, GDK_PROPERTY_NOTIFY, TRUE);
if(event)
{
event->property.atom = property;
event->property.state = GDK_PROPERTY_DELETE;
}
}
void
gdk_property_delete (GdkWindow *window,
GdkAtom property)
{
GdkWindowFBData *fbd = GDK_WINDOW_FBDATA(window);
GdkWindowProperty *prop;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if(!fbd->properties)
return;
prop = g_hash_table_lookup(fbd->properties, GUINT_TO_POINTER(property));
if(!prop)
return;
gdk_property_delete_2(window, property, prop);
}
gint
gdk_property_get (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gulong offset,
gulong length,
gint pdelete,
GdkAtom *actual_property_type,
gint *actual_format_type,
gint *actual_length,
guchar **data)
{
GdkWindowFBData *fbd = GDK_WINDOW_FBDATA(window);
GdkWindowProperty *prop;
int nbytes;
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (actual_length != NULL, FALSE);
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
if(!fbd->properties)
return FALSE;
prop = g_hash_table_lookup(fbd->properties, GUINT_TO_POINTER(property));
if(!prop)
return FALSE;
nbytes = (offset + length * (prop->format >> 3)) - prop->length;
nbytes = MAX(nbytes, 0);
if(nbytes > 0)
{
*data = g_malloc(nbytes+1);
memcpy(data, prop->data + offset, nbytes);
(*data)[nbytes] = 0;
}
else
*data = NULL;
*actual_length = nbytes / (prop->format >> 3);
*actual_property_type = prop->type;
*actual_format_type = prop->format;
if(pdelete)
gdk_property_delete_2(window, property, prop);
return TRUE;
}
void
gdk_property_change (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gint format,
GdkPropMode mode,
const guchar *data,
gint nelements)
{
GdkWindowFBData *fbd = GDK_WINDOW_FBDATA(window);
GdkWindowProperty *prop, *new_prop;
int new_size;
GdkEvent *event;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if(!fbd->properties)
fbd->properties = g_hash_table_new(NULL, NULL);
prop = g_hash_table_lookup(fbd->properties, GUINT_TO_POINTER(property));
switch(mode)
{
case GDK_PROP_MODE_REPLACE:
new_size = nelements * (format >> 3);
break;
case GDK_PROP_MODE_PREPEND:
case GDK_PROP_MODE_APPEND:
new_size = nelements * (format >> 3);
if(prop)
new_size += prop->length;
default:
break;
}
new_prop = g_malloc(G_STRUCT_OFFSET(GdkWindowProperty, data) + new_size);
new_prop->length = new_size;
new_prop->type = type;
new_prop->format = format;
switch(mode)
{
case GDK_PROP_MODE_REPLACE:
memcpy(new_prop->data, data, new_size);
break;
case GDK_PROP_MODE_APPEND:
if(prop)
memcpy(new_prop->data, prop->data, prop->length);
memcpy(new_prop->data + prop->length, data, (nelements * (format >> 3)));
break;
case GDK_PROP_MODE_PREPEND:
memcpy(new_prop->data, data, (nelements * (format >> 3)));
if(prop)
memcpy(new_prop->data + (nelements * (format >> 3)), prop->data, prop->length);
break;
}
g_hash_table_insert(fbd->properties, GUINT_TO_POINTER(property), new_prop);
g_free(prop);
event = gdk_event_make(window, GDK_PROPERTY_NOTIFY, TRUE);
if(event)
{
event->property.atom = property;
event->property.state = GDK_PROPERTY_NEW_VALUE;
}
}
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