/**
* na_tray_child_has_alpha;
* @child: a #NaTrayChild
*
* Checks if the child has an ARGB visual and real alpha transparence.
* (as opposed to faked alpha transparency with an parent-relative
* background)
*
* Return value: %TRUE if the child has an alpha transparency
*/
gboolean
na_tray_child_has_alpha (NaTrayChild *child)
{
g_return_val_if_fail (NA_IS_TRAY_CHILD (child), FALSE);
return child->has_alpha;
}
/**
* na_tray_child_set_composited;
* @child: a #NaTrayChild
* @composited: %TRUE if the child's window should be redirected
*
* Sets whether the #GdkWindow of the child should be set redirected
* using gdk_window_set_composited(). By default this is based off of
* na_tray_child_has_alpha(), but it may be useful to override it in
* certain circumstances; for example, if the #NaTrayChild is added
* to a parent window and that parent window is composited against the
* background.
*/
void
na_tray_child_set_composited (NaTrayChild *child,
gboolean composited)
{
g_return_if_fail (NA_IS_TRAY_CHILD (child));
child->composited = composited;
if (GTK_WIDGET_REALIZED (child))
gdk_window_set_composited (GTK_WIDGET (child)->window, composited);
}
char *
na_tray_child_get_title (NaTrayChild *child)
{
char *retval = NULL;
GdkDisplay *display;
Atom utf8_string, atom, type;
int result;
int format;
gulong nitems;
gulong bytes_after;
gchar *val;
g_return_val_if_fail (NA_IS_TRAY_CHILD (child), NULL);
display = gtk_widget_get_display (GTK_WIDGET (child));
utf8_string = gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING");
atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_NAME");
gdk_error_trap_push ();
result = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
child->icon_window,
atom,
0, G_MAXLONG,
False, utf8_string,
&type, &format, &nitems,
&bytes_after, (guchar **)&val);
if (gdk_error_trap_pop () || result != Success)
return NULL;
if (type != utf8_string ||
format != 8 ||
nitems == 0)
{
if (val)
XFree (val);
return NULL;
}
if (!g_utf8_validate (val, nitems, NULL))
{
XFree (val);
return NULL;
}
retval = g_strndup (val, nitems);
XFree (val);
return retval;
}
/**
* na_tray_child_set_composited;
* @child: a #NaTrayChild
* @composited: %TRUE if the child's window should be redirected
*
* Sets whether the #GdkWindow of the child should be set redirected
* using gdk_window_set_composited(). By default this is based off of
* na_tray_child_has_alpha(), but it may be useful to override it in
* certain circumstances; for example, if the #NaTrayChild is added
* to a parent window and that parent window is composited against the
* background.
*/
void
na_tray_child_set_composited (NaTrayChild *child,
gboolean composited)
{
g_return_if_fail (NA_IS_TRAY_CHILD (child));
if (child->composited == composited)
return;
child->composited = composited;
if (gtk_widget_get_realized (GTK_WIDGET (child)))
gdk_window_set_composited (gtk_widget_get_window (GTK_WIDGET (child)),
composited);
}
/**
* na_tray_child_get_wm_class;
* @child: a #NaTrayChild
* @res_name: return location for a string containing the application name of
* @child, or %NULL
* @res_class: return location for a string containing the application class of
* @child, or %NULL
*
* Fetches the resource associated with @child.
*/
void
na_tray_child_get_wm_class (NaTrayChild *child,
char **res_name,
char **res_class)
{
GdkDisplay *display;
g_return_if_fail (NA_IS_TRAY_CHILD (child));
display = gtk_widget_get_display (GTK_WIDGET (child));
_get_wmclass (GDK_DISPLAY_XDISPLAY (display),
child->icon_window,
res_class,
res_name);
}
