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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef XFORM_H
#define XFORM_H
#include "arthurwidgets.h"
#include <QBasicTimer>
#include <QPolygonF>
class HoverPoints;
QT_FORWARD_DECLARE_CLASS(QLineEdit)
class XFormView : public ArthurFrame
{
public:
Q_OBJECT
Q_PROPERTY(XFormType type READ type WRITE setType)
Q_PROPERTY(bool animation READ animation WRITE setAnimation)
Q_PROPERTY(qreal shear READ shear WRITE setShear)
Q_PROPERTY(qreal rotation READ rotation WRITE setRotation)
Q_PROPERTY(qreal scale READ scale WRITE setScale)
Q_PROPERTY(QString text READ text WRITE setText)
Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)
Q_ENUMS(XFormType)
public:
enum XFormType { VectorType, PixmapType, TextType };
XFormView(QWidget *parent);
void paint(QPainter *);
void drawVectorType(QPainter *painter);
void drawPixmapType(QPainter *painter);
void drawTextType(QPainter *painter);
QSize sizeHint() const { return QSize(500, 500); }
void mousePressEvent(QMouseEvent *e);
void resizeEvent(QResizeEvent *e);
HoverPoints *hoverPoints() { return pts; }
bool animation() const { return timer.isActive(); }
qreal shear() const { return m_shear; }
qreal scale() const { return m_scale; }
qreal rotation() const { return m_rotation; }
void setShear(qreal s);
void setScale(qreal s);
void setRotation(qreal r);
XFormType type() const;
QPixmap pixmap() const;
QString text() const;
public slots:
void setAnimation(bool animate);
void updateCtrlPoints(const QPolygonF &);
void changeRotation(int rotation);
void changeScale(int scale);
void changeShear(int shear);
void setText(const QString &);
void setPixmap(const QPixmap &);
void setType(XFormType t);
void setVectorType();
void setPixmapType();
void setTextType();
void reset();
signals:
void rotationChanged(int rotation);
void scaleChanged(int scale);
void shearChanged(int shear);
protected:
void timerEvent(QTimerEvent *e);
void wheelEvent(QWheelEvent *);
private:
QPolygonF ctrlPoints;
HoverPoints *pts;
qreal m_rotation;
qreal m_scale;
qreal m_shear;
XFormType m_type;
QPixmap m_pixmap;
QString m_text;
QBasicTimer timer;
};
class XFormWidget : public QWidget
{
Q_OBJECT
public:
XFormWidget(QWidget *parent);
private:
XFormView *view;
QLineEdit *textEditor;
};
#endif // XFORM_H
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