mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-17 14:30:15 +00:00
eabac453e6
The history before this was kind of twisted as several different approaches were tested, so that was all squashed into this initial commit to hide the uninteresting changes and files that were later removed.
755 lines
19 KiB
C
755 lines
19 KiB
C
/* 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 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 <X11/Xlib.h>
|
|
#include <X11/Xatom.h>
|
|
#include <string.h>
|
|
|
|
#include "gdk.h" /* For gdk_error_trap_push/pop() */
|
|
#include "gdkx.h"
|
|
#include "gdkproperty.h"
|
|
#include "gdkprivate.h"
|
|
#include "gdkinternals.h"
|
|
#include "gdkdisplay-x11.h"
|
|
#include "gdkscreen-x11.h"
|
|
#include "gdkselection.h" /* only from predefined atom */
|
|
#include "gdkalias.h"
|
|
|
|
static GPtrArray *virtual_atom_array;
|
|
static GHashTable *virtual_atom_hash;
|
|
|
|
static const gchar xatoms_string[] =
|
|
/* These are all the standard predefined X atoms */
|
|
"NONE\0"
|
|
"PRIMARY\0"
|
|
"SECONDARY\0"
|
|
"ARC\0"
|
|
"ATOM\0"
|
|
"BITMAP\0"
|
|
"CARDINAL\0"
|
|
"COLORMAP\0"
|
|
"CURSOR\0"
|
|
"CUT_BUFFER0\0"
|
|
"CUT_BUFFER1\0"
|
|
"CUT_BUFFER2\0"
|
|
"CUT_BUFFER3\0"
|
|
"CUT_BUFFER4\0"
|
|
"CUT_BUFFER5\0"
|
|
"CUT_BUFFER6\0"
|
|
"CUT_BUFFER7\0"
|
|
"DRAWABLE\0"
|
|
"FONT\0"
|
|
"INTEGER\0"
|
|
"PIXMAP\0"
|
|
"POINT\0"
|
|
"RECTANGLE\0"
|
|
"RESOURCE_MANAGER\0"
|
|
"RGB_COLOR_MAP\0"
|
|
"RGB_BEST_MAP\0"
|
|
"RGB_BLUE_MAP\0"
|
|
"RGB_DEFAULT_MAP\0"
|
|
"RGB_GRAY_MAP\0"
|
|
"RGB_GREEN_MAP\0"
|
|
"RGB_RED_MAP\0"
|
|
"STRING\0"
|
|
"VISUALID\0"
|
|
"WINDOW\0"
|
|
"WM_COMMAND\0"
|
|
"WM_HINTS\0"
|
|
"WM_CLIENT_MACHINE\0"
|
|
"WM_ICON_NAME\0"
|
|
"WM_ICON_SIZE\0"
|
|
"WM_NAME\0"
|
|
"WM_NORMAL_HINTS\0"
|
|
"WM_SIZE_HINTS\0"
|
|
"WM_ZOOM_HINTS\0"
|
|
"MIN_SPACE\0"
|
|
"NORM_SPACE\0"
|
|
"MAX_SPACE\0"
|
|
"END_SPACE\0"
|
|
"SUPERSCRIPT_X\0"
|
|
"SUPERSCRIPT_Y\0"
|
|
"SUBSCRIPT_X\0"
|
|
"SUBSCRIPT_Y\0"
|
|
"UNDERLINE_POSITION\0"
|
|
"UNDERLINE_THICKNESS\0"
|
|
"STRIKEOUT_ASCENT\0"
|
|
"STRIKEOUT_DESCENT\0"
|
|
"ITALIC_ANGLE\0"
|
|
"X_HEIGHT\0"
|
|
"QUAD_WIDTH\0"
|
|
"WEIGHT\0"
|
|
"POINT_SIZE\0"
|
|
"RESOLUTION\0"
|
|
"COPYRIGHT\0"
|
|
"NOTICE\0"
|
|
"FONT_NAME\0"
|
|
"FAMILY_NAME\0"
|
|
"FULL_NAME\0"
|
|
"CAP_HEIGHT\0"
|
|
"WM_CLASS\0"
|
|
"WM_TRANSIENT_FOR\0"
|
|
/* Below here, these are our additions. Increment N_CUSTOM_PREDEFINED
|
|
* if you add any.
|
|
*/
|
|
"CLIPBOARD\0" /* = 69 */
|
|
;
|
|
|
|
static const gint xatoms_offset[] = {
|
|
0, 5, 13, 23, 27, 32, 39, 48, 57, 64, 76, 88,
|
|
100, 112, 124, 136, 148, 160, 169, 174, 182, 189, 195, 205,
|
|
222, 236, 249, 262, 278, 291, 305, 317, 324, 333, 340, 351,
|
|
360, 378, 391, 404, 412, 428, 442, 456, 466, 477, 487, 497,
|
|
511, 525, 537, 549, 568, 588, 605, 623, 636, 645, 656, 663,
|
|
674, 685, 695, 702, 712, 724, 734, 745, 754, 771
|
|
};
|
|
|
|
#define N_CUSTOM_PREDEFINED 1
|
|
|
|
#define ATOM_TO_INDEX(atom) (GPOINTER_TO_UINT(atom))
|
|
#define INDEX_TO_ATOM(atom) ((GdkAtom)GUINT_TO_POINTER(atom))
|
|
|
|
static void
|
|
insert_atom_pair (GdkDisplay *display,
|
|
GdkAtom virtual_atom,
|
|
Atom xatom)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
if (!display_x11->atom_from_virtual)
|
|
{
|
|
display_x11->atom_from_virtual = g_hash_table_new (g_direct_hash, NULL);
|
|
display_x11->atom_to_virtual = g_hash_table_new (g_direct_hash, NULL);
|
|
}
|
|
|
|
g_hash_table_insert (display_x11->atom_from_virtual,
|
|
GDK_ATOM_TO_POINTER (virtual_atom),
|
|
GUINT_TO_POINTER (xatom));
|
|
g_hash_table_insert (display_x11->atom_to_virtual,
|
|
GUINT_TO_POINTER (xatom),
|
|
GDK_ATOM_TO_POINTER (virtual_atom));
|
|
}
|
|
|
|
static Atom
|
|
lookup_cached_xatom (GdkDisplay *display,
|
|
GdkAtom atom)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
if (ATOM_TO_INDEX (atom) < G_N_ELEMENTS (xatoms_offset) - N_CUSTOM_PREDEFINED)
|
|
return ATOM_TO_INDEX (atom);
|
|
|
|
if (display_x11->atom_from_virtual)
|
|
return GPOINTER_TO_UINT (g_hash_table_lookup (display_x11->atom_from_virtual,
|
|
GDK_ATOM_TO_POINTER (atom)));
|
|
|
|
return None;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_atom_to_xatom_for_display:
|
|
* @display: A #GdkDisplay
|
|
* @atom: A #GdkAtom
|
|
*
|
|
* Converts from a #GdkAtom to the X atom for a #GdkDisplay
|
|
* with the same string value.
|
|
*
|
|
* Return value: the X atom corresponding to @atom.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
Atom
|
|
gdk_x11_atom_to_xatom_for_display (GdkDisplay *display,
|
|
GdkAtom atom)
|
|
{
|
|
Atom xatom = None;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), None);
|
|
|
|
if (display->closed)
|
|
return None;
|
|
|
|
xatom = lookup_cached_xatom (display, atom);
|
|
|
|
if (!xatom)
|
|
{
|
|
char *name;
|
|
|
|
g_return_val_if_fail (ATOM_TO_INDEX (atom) < virtual_atom_array->len, None);
|
|
|
|
name = g_ptr_array_index (virtual_atom_array, ATOM_TO_INDEX (atom));
|
|
|
|
xatom = XInternAtom (GDK_DISPLAY_XDISPLAY (display), name, FALSE);
|
|
insert_atom_pair (display, atom, xatom);
|
|
}
|
|
|
|
return xatom;
|
|
}
|
|
|
|
void
|
|
_gdk_x11_precache_atoms (GdkDisplay *display,
|
|
const gchar * const *atom_names,
|
|
gint n_atoms)
|
|
{
|
|
Atom *xatoms;
|
|
GdkAtom *atoms;
|
|
const gchar **xatom_names;
|
|
gint n_xatoms;
|
|
gint i;
|
|
|
|
xatoms = g_new (Atom, n_atoms);
|
|
xatom_names = g_new (const gchar *, n_atoms);
|
|
atoms = g_new (GdkAtom, n_atoms);
|
|
|
|
n_xatoms = 0;
|
|
for (i = 0; i < n_atoms; i++)
|
|
{
|
|
GdkAtom atom = gdk_atom_intern_static_string (atom_names[i]);
|
|
if (lookup_cached_xatom (display, atom) == None)
|
|
{
|
|
atoms[n_xatoms] = atom;
|
|
xatom_names[n_xatoms] = atom_names[i];
|
|
n_xatoms++;
|
|
}
|
|
}
|
|
|
|
if (n_xatoms)
|
|
{
|
|
#ifdef HAVE_XINTERNATOMS
|
|
XInternAtoms (GDK_DISPLAY_XDISPLAY (display),
|
|
(char **)xatom_names, n_xatoms, False, xatoms);
|
|
#else
|
|
for (i = 0; i < n_xatoms; i++)
|
|
xatoms[i] = XInternAtom (GDK_DISPLAY_XDISPLAY (display),
|
|
xatom_names[i], False);
|
|
#endif
|
|
}
|
|
|
|
for (i = 0; i < n_xatoms; i++)
|
|
insert_atom_pair (display, atoms[i], xatoms[i]);
|
|
|
|
g_free (xatoms);
|
|
g_free (xatom_names);
|
|
g_free (atoms);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_atom_to_xatom:
|
|
* @atom: A #GdkAtom
|
|
*
|
|
* Converts from a #GdkAtom to the X atom for the default GDK display
|
|
* with the same string value.
|
|
*
|
|
* Return value: the X atom corresponding to @atom.
|
|
**/
|
|
Atom
|
|
gdk_x11_atom_to_xatom (GdkAtom atom)
|
|
{
|
|
return gdk_x11_atom_to_xatom_for_display (gdk_display_get_default (), atom);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_xatom_to_atom_for_display:
|
|
* @display: A #GdkDisplay
|
|
* @xatom: an X atom
|
|
*
|
|
* Convert from an X atom for a #GdkDisplay to the corresponding
|
|
* #GdkAtom.
|
|
*
|
|
* Return value: the corresponding #GdkAtom.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
GdkAtom
|
|
gdk_x11_xatom_to_atom_for_display (GdkDisplay *display,
|
|
Atom xatom)
|
|
{
|
|
GdkDisplayX11 *display_x11;
|
|
GdkAtom virtual_atom = GDK_NONE;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), GDK_NONE);
|
|
|
|
if (display->closed)
|
|
return GDK_NONE;
|
|
|
|
display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
if (xatom < G_N_ELEMENTS (xatoms_offset) - N_CUSTOM_PREDEFINED)
|
|
return INDEX_TO_ATOM (xatom);
|
|
|
|
if (display_x11->atom_to_virtual)
|
|
virtual_atom = GDK_POINTER_TO_ATOM (g_hash_table_lookup (display_x11->atom_to_virtual,
|
|
GUINT_TO_POINTER (xatom)));
|
|
|
|
if (!virtual_atom)
|
|
{
|
|
/* If this atom doesn't exist, we'll die with an X error unless
|
|
* we take precautions
|
|
*/
|
|
char *name;
|
|
gdk_error_trap_push ();
|
|
name = XGetAtomName (GDK_DISPLAY_XDISPLAY (display), xatom);
|
|
if (gdk_error_trap_pop ())
|
|
{
|
|
g_warning (G_STRLOC " invalid X atom: %ld", xatom);
|
|
}
|
|
else
|
|
{
|
|
virtual_atom = gdk_atom_intern (name, FALSE);
|
|
XFree (name);
|
|
|
|
insert_atom_pair (display, virtual_atom, xatom);
|
|
}
|
|
}
|
|
|
|
return virtual_atom;
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_xatom_to_atom:
|
|
* @xatom: an X atom for the default GDK display
|
|
*
|
|
* Convert from an X atom for the default display to the corresponding
|
|
* #GdkAtom.
|
|
*
|
|
* Return value: the corresponding G#dkAtom.
|
|
**/
|
|
GdkAtom
|
|
gdk_x11_xatom_to_atom (Atom xatom)
|
|
{
|
|
return gdk_x11_xatom_to_atom_for_display (gdk_display_get_default (), xatom);
|
|
}
|
|
|
|
static void
|
|
virtual_atom_check_init (void)
|
|
{
|
|
if (!virtual_atom_hash)
|
|
{
|
|
gint i;
|
|
|
|
virtual_atom_hash = g_hash_table_new (g_str_hash, g_str_equal);
|
|
virtual_atom_array = g_ptr_array_new ();
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (xatoms_offset); i++)
|
|
{
|
|
g_ptr_array_add (virtual_atom_array, (gchar *)(xatoms_string + xatoms_offset[i]));
|
|
g_hash_table_insert (virtual_atom_hash, (gchar *)(xatoms_string + xatoms_offset[i]),
|
|
GUINT_TO_POINTER (i));
|
|
}
|
|
}
|
|
}
|
|
|
|
static GdkAtom
|
|
intern_atom (const gchar *atom_name,
|
|
gboolean dup)
|
|
{
|
|
GdkAtom result;
|
|
|
|
virtual_atom_check_init ();
|
|
|
|
result = GDK_POINTER_TO_ATOM (g_hash_table_lookup (virtual_atom_hash, atom_name));
|
|
if (!result)
|
|
{
|
|
result = INDEX_TO_ATOM (virtual_atom_array->len);
|
|
|
|
g_ptr_array_add (virtual_atom_array, dup ? g_strdup (atom_name) : (gchar *)atom_name);
|
|
g_hash_table_insert (virtual_atom_hash,
|
|
g_ptr_array_index (virtual_atom_array,
|
|
ATOM_TO_INDEX (result)),
|
|
GDK_ATOM_TO_POINTER (result));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
GdkAtom
|
|
gdk_atom_intern (const gchar *atom_name,
|
|
gboolean only_if_exists)
|
|
{
|
|
return intern_atom (atom_name, TRUE);
|
|
}
|
|
|
|
/**
|
|
* gdk_atom_intern_static_string:
|
|
* @atom_name: a static string
|
|
*
|
|
* Finds or creates an atom corresponding to a given string.
|
|
*
|
|
* Note that this function is identical to gdk_atom_intern() except
|
|
* that if a new #GdkAtom is created the string itself is used rather
|
|
* than a copy. This saves memory, but can only be used if the string
|
|
* will <emphasis>always</emphasis> exist. It can be used with statically
|
|
* allocated strings in the main program, but not with statically
|
|
* allocated memory in dynamically loaded modules, if you expect to
|
|
* ever unload the module again (e.g. do not use this function in
|
|
* GTK+ theme engines).
|
|
*
|
|
* Returns: the atom corresponding to @atom_name
|
|
*
|
|
* Since: 2.10
|
|
*/
|
|
GdkAtom
|
|
gdk_atom_intern_static_string (const gchar *atom_name)
|
|
{
|
|
return intern_atom (atom_name, FALSE);
|
|
}
|
|
|
|
static G_CONST_RETURN char *
|
|
get_atom_name (GdkAtom atom)
|
|
{
|
|
virtual_atom_check_init ();
|
|
|
|
if (ATOM_TO_INDEX (atom) < virtual_atom_array->len)
|
|
return g_ptr_array_index (virtual_atom_array, ATOM_TO_INDEX (atom));
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
gchar *
|
|
gdk_atom_name (GdkAtom atom)
|
|
{
|
|
return g_strdup (get_atom_name (atom));
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_get_xatom_by_name_for_display:
|
|
* @display: a #GdkDisplay
|
|
* @atom_name: a string
|
|
*
|
|
* Returns the X atom for a #GdkDisplay corresponding to @atom_name.
|
|
* This function caches the result, so if called repeatedly it is much
|
|
* faster than XInternAtom(), which is a round trip to the server each time.
|
|
*
|
|
* Return value: a X atom for a #GdkDisplay
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
Atom
|
|
gdk_x11_get_xatom_by_name_for_display (GdkDisplay *display,
|
|
const gchar *atom_name)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), None);
|
|
return gdk_x11_atom_to_xatom_for_display (display,
|
|
gdk_atom_intern (atom_name, FALSE));
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_get_xatom_by_name:
|
|
* @atom_name: a string
|
|
*
|
|
* Returns the X atom for GDK's default display corresponding to @atom_name.
|
|
* This function caches the result, so if called repeatedly it is much
|
|
* faster than XInternAtom(), which is a round trip to the server each time.
|
|
*
|
|
* Return value: a X atom for GDK's default display.
|
|
**/
|
|
Atom
|
|
gdk_x11_get_xatom_by_name (const gchar *atom_name)
|
|
{
|
|
return gdk_x11_get_xatom_by_name_for_display (gdk_display_get_default (),
|
|
atom_name);
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_get_xatom_name_for_display:
|
|
* @display: the #GdkDisplay where @xatom is defined
|
|
* @xatom: an X atom
|
|
*
|
|
* Returns the name of an X atom for its display. This
|
|
* function is meant mainly for debugging, so for convenience, unlike
|
|
* XAtomName() and gdk_atom_name(), the result doesn't need to
|
|
* be freed.
|
|
*
|
|
* Return value: name of the X atom; this string is owned by GDK,
|
|
* so it shouldn't be modifed or freed.
|
|
*
|
|
* Since: 2.2
|
|
**/
|
|
G_CONST_RETURN gchar *
|
|
gdk_x11_get_xatom_name_for_display (GdkDisplay *display,
|
|
Atom xatom)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
return get_atom_name (gdk_x11_xatom_to_atom_for_display (display, xatom));
|
|
}
|
|
|
|
/**
|
|
* gdk_x11_get_xatom_name:
|
|
* @xatom: an X atom for GDK's default display
|
|
*
|
|
* Returns the name of an X atom for GDK's default display. This
|
|
* function is meant mainly for debugging, so for convenience, unlike
|
|
* <function>XAtomName()</function> and gdk_atom_name(), the result
|
|
* doesn't need to be freed. Also, this function will never return %NULL,
|
|
* even if @xatom is invalid.
|
|
*
|
|
* Return value: name of the X atom; this string is owned by GTK+,
|
|
* so it shouldn't be modifed or freed.
|
|
**/
|
|
G_CONST_RETURN gchar *
|
|
gdk_x11_get_xatom_name (Atom xatom)
|
|
{
|
|
return get_atom_name (gdk_x11_xatom_to_atom (xatom));
|
|
}
|
|
|
|
gboolean
|
|
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)
|
|
{
|
|
GdkDisplay *display;
|
|
Atom ret_prop_type;
|
|
gint ret_format;
|
|
gulong ret_nitems;
|
|
gulong ret_bytes_after;
|
|
gulong get_length;
|
|
gulong ret_length;
|
|
guchar *ret_data;
|
|
Atom xproperty;
|
|
Atom xtype;
|
|
int res;
|
|
|
|
g_return_val_if_fail (!window || GDK_WINDOW_IS_X11 (window), FALSE);
|
|
|
|
if (!window)
|
|
{
|
|
GdkScreen *screen = gdk_screen_get_default ();
|
|
window = gdk_screen_get_root_window (screen);
|
|
|
|
GDK_NOTE (MULTIHEAD, g_message ("gdk_property_get(): window is NULL\n"));
|
|
}
|
|
else if (!GDK_WINDOW_IS_X11 (window))
|
|
return FALSE;
|
|
|
|
if (GDK_WINDOW_DESTROYED (window))
|
|
return FALSE;
|
|
|
|
display = gdk_drawable_get_display (window);
|
|
xproperty = gdk_x11_atom_to_xatom_for_display (display, property);
|
|
if (type == GDK_NONE)
|
|
xtype = AnyPropertyType;
|
|
else
|
|
xtype = gdk_x11_atom_to_xatom_for_display (display, type);
|
|
|
|
ret_data = NULL;
|
|
|
|
/*
|
|
* Round up length to next 4 byte value. Some code is in the (bad?)
|
|
* habit of passing G_MAXLONG as the length argument, causing an
|
|
* overflow to negative on the add. In this case, we clamp the
|
|
* value to G_MAXLONG.
|
|
*/
|
|
get_length = length + 3;
|
|
if (get_length > G_MAXLONG)
|
|
get_length = G_MAXLONG;
|
|
|
|
/* To fail, either the user passed 0 or G_MAXULONG */
|
|
get_length = get_length / 4;
|
|
if (get_length == 0)
|
|
{
|
|
g_warning ("gdk_propery-get(): invalid length 0");
|
|
return FALSE;
|
|
}
|
|
|
|
res = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
|
|
GDK_WINDOW_XWINDOW (window), xproperty,
|
|
offset, get_length, pdelete,
|
|
xtype, &ret_prop_type, &ret_format,
|
|
&ret_nitems, &ret_bytes_after,
|
|
&ret_data);
|
|
|
|
if (res != Success || (ret_prop_type == None && ret_format == 0))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (actual_property_type)
|
|
*actual_property_type = gdk_x11_xatom_to_atom_for_display (display, ret_prop_type);
|
|
if (actual_format_type)
|
|
*actual_format_type = ret_format;
|
|
|
|
if ((xtype != AnyPropertyType) && (ret_prop_type != xtype))
|
|
{
|
|
XFree (ret_data);
|
|
g_warning ("Couldn't match property type %s to %s\n",
|
|
gdk_x11_get_xatom_name_for_display (display, ret_prop_type),
|
|
gdk_x11_get_xatom_name_for_display (display, xtype));
|
|
return FALSE;
|
|
}
|
|
|
|
/* FIXME: ignoring bytes_after could have very bad effects */
|
|
|
|
if (data)
|
|
{
|
|
if (ret_prop_type == XA_ATOM ||
|
|
ret_prop_type == gdk_x11_get_xatom_by_name_for_display (display, "ATOM_PAIR"))
|
|
{
|
|
/*
|
|
* data is an array of X atom, we need to convert it
|
|
* to an array of GDK Atoms
|
|
*/
|
|
gint i;
|
|
GdkAtom *ret_atoms = g_new (GdkAtom, ret_nitems);
|
|
Atom *xatoms = (Atom *)ret_data;
|
|
|
|
*data = (guchar *)ret_atoms;
|
|
|
|
for (i = 0; i < ret_nitems; i++)
|
|
ret_atoms[i] = gdk_x11_xatom_to_atom_for_display (display, xatoms[i]);
|
|
|
|
if (actual_length)
|
|
*actual_length = ret_nitems * sizeof (GdkAtom);
|
|
}
|
|
else
|
|
{
|
|
switch (ret_format)
|
|
{
|
|
case 8:
|
|
ret_length = ret_nitems;
|
|
break;
|
|
case 16:
|
|
ret_length = sizeof(short) * ret_nitems;
|
|
break;
|
|
case 32:
|
|
ret_length = sizeof(long) * ret_nitems;
|
|
break;
|
|
default:
|
|
g_warning ("unknown property return format: %d", ret_format);
|
|
XFree (ret_data);
|
|
return FALSE;
|
|
}
|
|
|
|
*data = g_new (guchar, ret_length);
|
|
memcpy (*data, ret_data, ret_length);
|
|
if (actual_length)
|
|
*actual_length = ret_length;
|
|
}
|
|
}
|
|
|
|
XFree (ret_data);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
gdk_property_change (GdkWindow *window,
|
|
GdkAtom property,
|
|
GdkAtom type,
|
|
gint format,
|
|
GdkPropMode mode,
|
|
const guchar *data,
|
|
gint nelements)
|
|
{
|
|
GdkDisplay *display;
|
|
Window xwindow;
|
|
Atom xproperty;
|
|
Atom xtype;
|
|
|
|
g_return_if_fail (!window || GDK_WINDOW_IS_X11 (window));
|
|
|
|
if (!window)
|
|
{
|
|
GdkScreen *screen;
|
|
|
|
screen = gdk_screen_get_default ();
|
|
window = gdk_screen_get_root_window (screen);
|
|
|
|
GDK_NOTE (MULTIHEAD, g_message ("gdk_property_change(): window is NULL\n"));
|
|
}
|
|
else if (!GDK_WINDOW_IS_X11 (window))
|
|
return;
|
|
|
|
if (GDK_WINDOW_DESTROYED (window))
|
|
return;
|
|
|
|
display = gdk_drawable_get_display (window);
|
|
|
|
xproperty = gdk_x11_atom_to_xatom_for_display (display, property);
|
|
xtype = gdk_x11_atom_to_xatom_for_display (display, type);
|
|
xwindow = GDK_WINDOW_XID (window);
|
|
|
|
if (xtype == XA_ATOM ||
|
|
xtype == gdk_x11_get_xatom_by_name_for_display (display, "ATOM_PAIR"))
|
|
{
|
|
/*
|
|
* data is an array of GdkAtom, we need to convert it
|
|
* to an array of X Atoms
|
|
*/
|
|
gint i;
|
|
GdkAtom *atoms = (GdkAtom*) data;
|
|
Atom *xatoms;
|
|
|
|
xatoms = g_new (Atom, nelements);
|
|
for (i = 0; i < nelements; i++)
|
|
xatoms[i] = gdk_x11_atom_to_xatom_for_display (display, atoms[i]);
|
|
|
|
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow,
|
|
xproperty, xtype,
|
|
format, mode, (guchar *)xatoms, nelements);
|
|
g_free (xatoms);
|
|
}
|
|
else
|
|
XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow, xproperty,
|
|
xtype, format, mode, (guchar *)data, nelements);
|
|
}
|
|
|
|
void
|
|
gdk_property_delete (GdkWindow *window,
|
|
GdkAtom property)
|
|
{
|
|
g_return_if_fail (!window || GDK_WINDOW_IS_X11 (window));
|
|
|
|
if (!window)
|
|
{
|
|
GdkScreen *screen = gdk_screen_get_default ();
|
|
window = gdk_screen_get_root_window (screen);
|
|
|
|
GDK_NOTE (MULTIHEAD,
|
|
g_message ("gdk_property_delete(): window is NULL\n"));
|
|
}
|
|
else if (!GDK_WINDOW_IS_X11 (window))
|
|
return;
|
|
|
|
if (GDK_WINDOW_DESTROYED (window))
|
|
return;
|
|
|
|
XDeleteProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XWINDOW (window),
|
|
gdk_x11_atom_to_xatom_for_display (GDK_WINDOW_DISPLAY (window),
|
|
property));
|
|
}
|
|
|
|
#define __GDK_PROPERTY_X11_C__
|
|
#include "gdkaliasdef.c"
|