rockbox/utils/themeeditor/graphics/rbmovable.cpp
Robert Bieber 49865b23f6 Theme Editor: Began implementing code generation for movable viewports
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27691 a1c6a512-1295-4272-9138-f99709370657
2010-08-04 09:16:52 +00:00

85 lines
2.4 KiB
C++

/***************************************************************************
* __________ __ ___.
* 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.
*
****************************************************************************/
#include <QPainter>
#include <QDebug>
#include "rbmovable.h"
RBMovable::RBMovable(QGraphicsItem* parent)
: QGraphicsItem(parent), geomChanged(false)
{
setFlags(ItemIsMovable | ItemIsSelectable | ItemSendsGeometryChanges);
}
RBMovable::~RBMovable()
{
}
void RBMovable::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
if(isSelected())
{
painter->setBrush(Qt::NoBrush);
QPen pen;
pen.setStyle(Qt::DashLine);
pen.setColor(Qt::green);
painter->setPen(pen);
painter->drawRect(boundingRect());
}
}
QVariant RBMovable::itemChange(GraphicsItemChange change, const QVariant &value)
{
if(change == ItemPositionChange)
{
QPointF pos = value.toPointF();
QRectF bound = parentItem()->boundingRect();
pos.setX(qMax(0., pos.x()));
pos.setX(qMin(pos.x(), bound.width() - boundingRect().width()));
pos.setY(qMax(0., pos.y()));
pos.setY(qMin(pos.y(), bound.height() - boundingRect().height()));
geomChanged = true;
return pos;
}
return QGraphicsItem::itemChange(change, value);
}
void RBMovable::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsItem::mousePressEvent(event);
}
void RBMovable::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsItem::mouseReleaseEvent(event);
if(isSelected())
{
saveGeometry();
geomChanged = false;
}
}