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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PATHSTROKE_H
#define PATHSTROKE_H
#include "arthurwidgets.h"
#include <QtGui>
class PathStrokeRenderer : public ArthurFrame
{
Q_OBJECT
Q_PROPERTY(bool animation READ animation WRITE setAnimation)
Q_PROPERTY(qreal penWidth READ realPenWidth WRITE setRealPenWidth)
public:
enum PathMode { CurveMode, LineMode };
PathStrokeRenderer(QWidget *parent, bool smallScreen = false);
void paint(QPainter *);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void timerEvent(QTimerEvent *e);
QSize sizeHint() const { return QSize(500, 500); }
bool animation() const { return m_timer.isActive(); }
qreal realPenWidth() const { return m_penWidth; }
void setRealPenWidth(qreal penWidth) { m_penWidth = penWidth; update(); }
signals:
void clicked();
public slots:
void setPenWidth(int penWidth) { m_penWidth = penWidth / 10.0; update(); }
void setAnimation(bool animation);
void setFlatCap() { m_capStyle = Qt::FlatCap; update(); }
void setSquareCap() { m_capStyle = Qt::SquareCap; update(); }
void setRoundCap() { m_capStyle = Qt::RoundCap; update(); }
void setBevelJoin() { m_joinStyle = Qt::BevelJoin; update(); }
void setMiterJoin() { m_joinStyle = Qt::MiterJoin; update(); }
void setRoundJoin() { m_joinStyle = Qt::RoundJoin; update(); }
void setCurveMode() { m_pathMode = CurveMode; update(); }
void setLineMode() { m_pathMode = LineMode; update(); }
void setSolidLine() { m_penStyle = Qt::SolidLine; update(); }
void setDashLine() { m_penStyle = Qt::DashLine; update(); }
void setDotLine() { m_penStyle = Qt::DotLine; update(); }
void setDashDotLine() { m_penStyle = Qt::DashDotLine; update(); }
void setDashDotDotLine() { m_penStyle = Qt::DashDotDotLine; update(); }
void setCustomDashLine() { m_penStyle = Qt::NoPen; update(); }
private:
void initializePoints();
void updatePoints();
QBasicTimer m_timer;
PathMode m_pathMode;
bool m_wasAnimated;
qreal m_penWidth;
int m_pointCount;
int m_pointSize;
int m_activePoint;
QVector<QPointF> m_points;
QVector<QPointF> m_vectors;
Qt::PenJoinStyle m_joinStyle;
Qt::PenCapStyle m_capStyle;
Qt::PenStyle m_penStyle;
bool m_smallScreen;
QPoint m_mousePress;
bool m_mouseDrag;
};
class PathStrokeControls : public QWidget
{
Q_OBJECT
public:
PathStrokeControls(QWidget* parent, PathStrokeRenderer* renderer, bool smallScreen);
signals:
void okPressed();
void quitPressed();
private:
PathStrokeRenderer* m_renderer;
QGroupBox *m_capGroup;
QGroupBox *m_joinGroup;
QGroupBox *m_styleGroup;
QGroupBox *m_pathModeGroup;
void createCommonControls(QWidget* parent);
void layoutForDesktop();
void layoutForSmallScreens();
private slots:
void emitQuitSignal();
void emitOkSignal();
};
class PathStrokeWidget : public QWidget
{
Q_OBJECT
public:
PathStrokeWidget(bool smallScreen);
void setStyle ( QStyle * style );
private:
PathStrokeRenderer *m_renderer;
PathStrokeControls *m_controls;
private slots:
void showControls();
void hideControls();
};
#endif // PATHSTROKE_H
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