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#ifndef QBEZIERCONFIGURATOR_H
#define QBEZIERCONFIGURATOR_H
#include <QtGui>
#include <QtDesigner/QDesignerExportWidget>
#include <QPointF>
class QDESIGNER_WIDGET_EXPORT QBezierConfigurator : public QWidget
{
Q_OBJECT
Q_PROPERTY(int maxInputEGU READ maxInputEGU WRITE setmaxInputEGU);
Q_PROPERTY(int maxOutputEGU READ maxOutputEGU WRITE setmaxOutputEGU);
Q_PROPERTY(int pixPerEGU READ pixPerEGU WRITE setpixPerEGU);
Q_PROPERTY(QColor colorBezier READ colorBezier WRITE setColorBezier);
Q_PROPERTY(QColor colorBackground READ colorBackground WRITE setColorBackground);
Q_PROPERTY(QString stringInputEGU READ stringInputEGU WRITE setInputEGU);
Q_PROPERTY(QString stringOutputEGU READ stringOutputEGU WRITE setOutputEGU);
Q_PROPERTY(QString stringCaption READ stringCaption WRITE setCaption);
// Return the current value to Designer
int maxInputEGU() const
{
return MaxInput;
}
int maxOutputEGU() const
{
return MaxOutput;
}
int pixPerEGU() const
{
return pPerEGU;
}
// Return the current color to Designer
QColor colorBezier() const
{
return colBezier;
}
// Return the current color to Designer
QColor colorBackground() const
{
return colBackground;
}
// Return the current string to Designer
QString stringInputEGU() const
{
return strInputEGU;
}
// Return the current string to Designer
QString stringOutputEGU() const
{
return strOutputEGU;
}
// Return the current string to Designer
QString stringCaption() const
{
return strCaption;
}
public:
QBezierConfigurator(QWidget *parent = 0);
~QBezierConfigurator();
signals:
void valueNeutralZoneChanged(int);
void BezierCurveChanged(bool);
public slots:
void setmaxInputEGU(int);
void setmaxOutputEGU(int);
void setpixPerEGU(int);
QPointF getPointOne();
QPointF getPointTwo();
QPointF getPointThree();
QPointF getPointFour();
void setPointOne(QPointF);
void setPointTwo(QPointF);
void setPointThree(QPointF);
void setPointFour(QPointF);
void setNeutralZone(int zone);
void setColorBezier(QColor);
void setColorBackground(QColor);
void setInputEGU(QString);
void setOutputEGU(QString);
void setCaption(QString);
protected slots:
void paintEvent(QPaintEvent *e);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
protected:
void drawBackground(QPainter *painter, const QRectF &rect);
void drawPoint(QPainter *painter, const QPointF &pt);
void drawLine(QPainter *painter, const QPointF &start, const QPointF &end, QPen pen);
bool markContains(const QPointF &pt, const QPointF &coord) const;
bool withinRange( const QPointF &coord ) const;
protected:
virtual void resizeEvent(QResizeEvent *);
private:
QRectF range; // The actual rectangle for the Bezier-curve
QPointF one, two, three, four; // The four points, that define the curve
QPointF normalizePoint (QPointF point) const; // Convert the graphical Point to a real-life Point
QPointF graphicalizePoint (QPointF point) const; // Convert the Point to a graphical Point
QPointF mouseStart;
QPointF *moving;
int movingPoint;
int MaxInput; // Maximum input limit
int MaxOutput; // Maximum output limit
int pPerEGU; // Number of pixels, per EGU
QColor colBezier; // Color of Bezier curve
QColor colBackground; // Color of widget background
QString strInputEGU; // Engineering Units input (vertical axis)
QString strOutputEGU; // Engineering Units output (horizontal axis)
QString strCaption; // Caption of the graph
};
#endif // QBEZIERCONFIGURATOR_H
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