-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2011 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#include <msp/gl/immediate.h>
#include <msp/gl/matrix.h>
#include <msp/gl/transform.h>
Widget::~Widget()
{
if(parent)
- parent->remove(*this);
+ {
+ Container *p = parent;
+ parent = 0;
+ p->remove(*this);
+ }
}
void Widget::set_position(int x, int y)
void Widget::set_parent(Container *p)
{
if(parent && p)
- throw InvalidState("Widget is already in a Container");
+ throw hierarchy_error("widget already parented");
+ else if(p==parent)
+ return;
parent = p;
on_reparent();
void Widget::set_focus()
{
if(!parent)
- throw InvalidState("No parent");
+ throw hierarchy_error("no parent");
if(!visible)
- throw InvalidState("Can't set focus on invisible widget");
+ throw logic_error("!visible");
signal_request_focus.emit();
}
void Widget::render() const
{
if(!style)
- throw InvalidState(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
+ throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
GL::push_matrix();
GL::translate(geom.x, geom.y, 0);