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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2010 Robert Bieber
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#ifndef RBMOVABLE_H
23#define RBMOVABLE_H
24
25#include <QGraphicsItem>
26
27/*
28 * This is a base class for scene elements that can be moved around and
29 * resized. It adds some basic functionality for showing a border around
30 * selected items and ensuring that they don't get moved out of their parent's
31 * bounding rect, as well as resizing them. It includes one pure virtual
32 * function, saveGeometry(), that is responsible for syncing the changed
33 * geometry back to the parse tree to be code gen'd into the file.
34 */
35
36class RBMovable : public QGraphicsItem
37{
38public:
39 RBMovable(QGraphicsItem* parent);
40 ~RBMovable();
41
42 virtual void paint(QPainter *painter,
43 const QStyleOptionGraphicsItem *option, QWidget *widget);
44
45protected:
46 virtual QVariant itemChange(GraphicsItemChange change,
47 const QVariant &value);
48 /* Responsible for updating the parse tree */
49 virtual void saveGeometry() = 0;
50
51};
52
53#endif // RBMOVABLE_H