/**
* gtk_tool_item_set_use_drag_window:
* @tool_item: a #GtkToolItem
* @use_drag_window: Whether @tool_item has a drag window.
*
* Sets whether @tool_item has a drag window. When %TRUE the
* toolitem can be used as a drag source through gtk_drag_source_set().
* When @tool_item has a drag window it will intercept all events,
* even those that would otherwise be sent to a child of @tool_item.
*
* Since: 2.4
**/
void
gtk_tool_item_set_use_drag_window (GtkToolItem *toolitem,
gboolean use_drag_window)
{
g_return_if_fail (GTK_IS_TOOL_ITEM (toolitem));
use_drag_window = use_drag_window != FALSE;
if (toolitem->priv->use_drag_window != use_drag_window)
{
toolitem->priv->use_drag_window = use_drag_window;
if (use_drag_window)
{
if (!toolitem->priv->drag_window &&
gtk_widget_get_realized (GTK_WIDGET (toolitem)))
{
create_drag_window(toolitem);
if (gtk_widget_get_mapped (GTK_WIDGET (toolitem)))
gdk_window_show (toolitem->priv->drag_window);
}
}
else
{
destroy_drag_window (toolitem);
}
}
}
/*
* fetch and/or set the ATOM_PAIRS. This is triggered at least once
* by the first call to XmInternAtom().
*/
extern void
_XmInitAtomPairs(Display *display)
{
Window win;
char *dstr;
Display *d;
DEBUGOUT(_LtDebug0(__FILE__, NULL, "%s:_XmInitAtomPairs(%d)\n",
__FILE__, __LINE__));
if ((win = read_drag_window(display)) == None)
{
dstr = XDisplayString(display);
d = XOpenDisplay(dstr);
if (d == NULL)
{
_XmWarning((Widget)XmGetXmDisplay(display),
"Where's your display?");
return;
}
XGrabServer(d);
if ((win = read_drag_window(d)) == None)
{
XSetCloseDownMode(d, RetainPermanent);
win = create_drag_window(d);
write_drag_window(d, &win);
}
XCloseDisplay(d);
}
set_drag_window(display, win);
if (!read_atom_pairs(display))
{
XGrabServer(display);
if (!read_atom_pairs(display))
{
write_atom_pairs(display);
}
XUngrabServer(display);
XFlush(display);
}
}
static void
gtk_tool_item_realize (GtkWidget *widget)
{
GtkToolItem *toolitem;
toolitem = GTK_TOOL_ITEM (widget);
gtk_widget_set_realized (widget, TRUE);
widget->window = gtk_widget_get_parent_window (widget);
g_object_ref (widget->window);
if (toolitem->priv->use_drag_window)
create_drag_window(toolitem);
widget->style = gtk_style_attach (widget->style, widget->window);
}
