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    41 

    42 #ifndef PATHSTROKE_H

    43 #define PATHSTROKE_H

    44 

    45 #include "arthurwidgets.h"

    46 #include <QtGui>

    47 

    48 class PathStrokeRenderer : public ArthurFrame

    49 {

    50     Q_OBJECT

    51     Q_PROPERTY(bool animation READ animation WRITE setAnimation)

    52     Q_PROPERTY(qreal penWidth READ realPenWidth WRITE setRealPenWidth)

    53 public:

    54     enum PathMode { CurveMode, LineMode };

    55 

    56     PathStrokeRenderer(QWidget *parent, bool smallScreen = false);

    57 

    58     void paint(QPainter *);

    59     void mousePressEvent(QMouseEvent *e);

    60     void mouseMoveEvent(QMouseEvent *e);

    61     void mouseReleaseEvent(QMouseEvent *e);

    62     void timerEvent(QTimerEvent *e);

    63     bool event(QEvent *e);

    64 

    65     QSize sizeHint() const { return QSize(500, 500); }

    66 

    67     bool animation() const { return m_timer.isActive(); }

    68 

    69     qreal realPenWidth() const { return m_penWidth; }

    70     void setRealPenWidth(qreal penWidth) { m_penWidth = penWidth; update(); }

    71 

    72 signals:

    73     void clicked();

    74 

    75 public slots:

    76     void setPenWidth(int penWidth) { m_penWidth = penWidth / 10.0; update(); }

    77     void setAnimation(bool animation);

    78 

    79     void setFlatCap() { m_capStyle = Qt::FlatCap; update(); }

    80     void setSquareCap() { m_capStyle = Qt::SquareCap; update(); }

    81     void setRoundCap() { m_capStyle = Qt::RoundCap; update(); }

    82 

    83     void setBevelJoin() { m_joinStyle = Qt::BevelJoin; update(); }

    84     void setMiterJoin() { m_joinStyle = Qt::MiterJoin; update(); }

    85     void setRoundJoin() { m_joinStyle = Qt::RoundJoin; update(); }

    86 

    87     void setCurveMode() { m_pathMode = CurveMode; update(); }

    88     void setLineMode() { m_pathMode = LineMode; update(); }

    89 

    90     void setSolidLine() { m_penStyle = Qt::SolidLine; update(); }

    91     void setDashLine() { m_penStyle = Qt::DashLine; update(); }

    92     void setDotLine() { m_penStyle = Qt::DotLine; update(); }

    93     void setDashDotLine() { m_penStyle = Qt::DashDotLine; update(); }

    94     void setDashDotDotLine() { m_penStyle = Qt::DashDotDotLine; update(); }

    95     void setCustomDashLine() { m_penStyle = Qt::NoPen; update(); }

    96 

    97 private:

    98     void initializePoints();

    99     void updatePoints();

   100 

   101     QBasicTimer m_timer;

   102 

   103     PathMode m_pathMode;

   104 

   105     bool m_wasAnimated;

   106 

   107     qreal m_penWidth;

   108     int m_pointCount;

   109     int m_pointSize;

   110     int m_activePoint;

   111     QVector<QPointF> m_points;

   112     QVector<QPointF> m_vectors;

   113 

   114     Qt::PenJoinStyle m_joinStyle;

   115     Qt::PenCapStyle m_capStyle;

   116 

   117     Qt::PenStyle m_penStyle;

   118 

   119     bool m_smallScreen;

   120     QPoint m_mousePress;

   121     bool m_mouseDrag;

   122 

   123     QHash<int, int> m_fingerPointMapping;

   124 };

   125 

   126 class PathStrokeControls : public QWidget

   127 {

   128     Q_OBJECT

   129 public:

   130     PathStrokeControls(QWidget* parent, PathStrokeRenderer* renderer, bool smallScreen);

   131 

   132 signals:

   133     void okPressed();

   134     void quitPressed();

   135 

   136 private:

   137     PathStrokeRenderer* m_renderer;

   138 

   139     QGroupBox *m_capGroup;

   140     QGroupBox *m_joinGroup;

   141     QGroupBox *m_styleGroup;

   142     QGroupBox *m_pathModeGroup;

   143 

   144     void createCommonControls(QWidget* parent);

   145     void layoutForDesktop();

   146     void layoutForSmallScreens();

   147 

   148 private slots:

   149     void emitQuitSignal();

   150     void emitOkSignal();

   151 

   152 };

   153 

   154 class PathStrokeWidget : public QWidget

   155 {

   156     Q_OBJECT

   157 public:

   158     PathStrokeWidget(bool smallScreen);

   159     void setStyle ( QStyle * style );

   160 

   161 private:

   162     PathStrokeRenderer *m_renderer;

   163     PathStrokeControls *m_controls;

   164 

   165 private slots:

   166     void showControls();

   167     void hideControls();

   168 

   169 };

   170 

   171 #endif // PATHSTROKE_H