/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef PATHSTROKE_H+
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#define PATHSTROKE_H+
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+
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#include "arthurwidgets.h"+
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#include <QtGui>+
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+
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class PathStrokeRenderer : public ArthurFrame+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(bool animation READ animation WRITE setAnimation)+
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    Q_PROPERTY(qreal penWidth READ realPenWidth WRITE setRealPenWidth)+
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public:+
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    enum PathMode { CurveMode, LineMode };+
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+
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    PathStrokeRenderer(QWidget *parent, bool smallScreen = false);+
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+
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    void paint(QPainter *);+
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    void mousePressEvent(QMouseEvent *e);+
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    void mouseMoveEvent(QMouseEvent *e);+
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    void mouseReleaseEvent(QMouseEvent *e);+
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    void timerEvent(QTimerEvent *e);+
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    bool event(QEvent *e);+
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+
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    QSize sizeHint() const { return QSize(500, 500); }+
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+
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    bool animation() const { return m_timer.isActive(); }+
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+
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    qreal realPenWidth() const { return m_penWidth; }+
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    void setRealPenWidth(qreal penWidth) { m_penWidth = penWidth; update(); }+
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+
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signals:+
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    void clicked();+
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+
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public slots:+
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    void setPenWidth(int penWidth) { m_penWidth = penWidth / 10.0; update(); }+
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    void setAnimation(bool animation);+
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+
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    void setFlatCap() { m_capStyle = Qt::FlatCap; update(); }+
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    void setSquareCap() { m_capStyle = Qt::SquareCap; update(); }+
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    void setRoundCap() { m_capStyle = Qt::RoundCap; update(); }+
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+
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    void setBevelJoin() { m_joinStyle = Qt::BevelJoin; update(); }+
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    void setMiterJoin() { m_joinStyle = Qt::MiterJoin; update(); }+
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    void setRoundJoin() { m_joinStyle = Qt::RoundJoin; update(); }+
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+
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    void setCurveMode() { m_pathMode = CurveMode; update(); }+
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    void setLineMode() { m_pathMode = LineMode; update(); }+
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+
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    void setSolidLine() { m_penStyle = Qt::SolidLine; update(); }+
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    void setDashLine() { m_penStyle = Qt::DashLine; update(); }+
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    void setDotLine() { m_penStyle = Qt::DotLine; update(); }+
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    void setDashDotLine() { m_penStyle = Qt::DashDotLine; update(); }+
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    void setDashDotDotLine() { m_penStyle = Qt::DashDotDotLine; update(); }+
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    void setCustomDashLine() { m_penStyle = Qt::NoPen; update(); }+
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+
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private:+
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    void initializePoints();+
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    void updatePoints();+
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+
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    QBasicTimer m_timer;+
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+
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    PathMode m_pathMode;+
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+
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    bool m_wasAnimated;+
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+
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    qreal m_penWidth;+
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    int m_pointCount;+
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    int m_pointSize;+
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    int m_activePoint;+
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    QVector<QPointF> m_points;+
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    QVector<QPointF> m_vectors;+
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+
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    Qt::PenJoinStyle m_joinStyle;+
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    Qt::PenCapStyle m_capStyle;+
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+
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    Qt::PenStyle m_penStyle;+
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+
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    bool m_smallScreen;+
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    QPoint m_mousePress;+
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    bool m_mouseDrag;+
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+
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    QHash<int, int> m_fingerPointMapping;+
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};+
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+
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class PathStrokeControls : public QWidget+
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{+
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    Q_OBJECT+
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public:+
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    PathStrokeControls(QWidget* parent, PathStrokeRenderer* renderer, bool smallScreen);+
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+
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signals:+
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    void okPressed();+
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    void quitPressed();+
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+
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private:+
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    PathStrokeRenderer* m_renderer;+
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+
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    QGroupBox *m_capGroup;+
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    QGroupBox *m_joinGroup;+
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    QGroupBox *m_styleGroup;+
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    QGroupBox *m_pathModeGroup;+
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+
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    void createCommonControls(QWidget* parent);+
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    void layoutForDesktop();+
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    void layoutForSmallScreens();+
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+
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private slots:+
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    void emitQuitSignal();+
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    void emitOkSignal();+
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+
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};+
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+
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class PathStrokeWidget : public QWidget+
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{+
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    Q_OBJECT+
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public:+
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    PathStrokeWidget(bool smallScreen);+
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    void setStyle ( QStyle * style );+
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+
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private:+
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    PathStrokeRenderer *m_renderer;+
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    PathStrokeControls *m_controls;+
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+
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private slots:+
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    void showControls();+
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    void hideControls();+
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+
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};+
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+
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#endif // PATHSTROKE_H+
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