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Theme Editor: Created the RBMovable abstract class for screen elements that can be moved around, began implementing it and making images, viewports, and album art children of it

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27685 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Robert Bieber 2010-08-03 22:29:26 +00:00
parent 851be21f67
commit 83c60a1012
10 changed files with 166 additions and 29 deletions
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53
utils/themeeditor/graphics/rbmovable.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Robert Bieber
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef RBMOVABLE_H
#define RBMOVABLE_H
#include <QGraphicsItem>
/*
* This is a base class for scene elements that can be moved around and
* resized. It adds some basic functionality for showing a border around
* selected items and ensuring that they don't get moved out of their parent's
* bounding rect, as well as resizing them. It includes one pure virtual
* function, saveGeometry(), that is responsible for syncing the changed
* geometry back to the parse tree to be code gen'd into the file.
*/
class RBMovable : public QGraphicsItem
{
public:
RBMovable(QGraphicsItem* parent);
~RBMovable();
virtual void paint(QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget);
protected:
virtual QVariant itemChange(GraphicsItemChange change,
const QVariant &value);
/* Responsible for updating the parse tree */
virtual void saveGeometry() = 0;
};
#endif // RBMOVABLE_H