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qcpl_cursor.h
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qcpl_cursor.h
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#ifndef QCPL_CURSOR_H
#define QCPL_CURSOR_H
#include "qcustomplot/qcustomplot.h"
namespace QCPL {
class Cursor : public QCPGraph
{
Q_OBJECT
public:
enum CursorShape { VerticalLine, HorizontalLine, CrossLines };
public:
explicit Cursor(QCustomPlot *plot);
QPointF position() const;
void setPosition(const double& x, const double& y, bool replot = true);
void setPosition(const QPointF& pos, bool replot = true) { setPosition(pos.x(), pos.y(), replot); }
void setPositionX(const double& x, bool replot = true) { setPosition(x, position().y(), replot); }
void setPositionY(const double& y, bool replot = true) { setPosition(position().x(), y, replot); }
void moveToCenter(bool replot = true);
void pixelPosition(double& x, double& y) const;
void setPixelPosition(const QPointF& p, bool replot = true) { setPixelPosition(p.x(), p.y(), replot); }
void setPixelPosition(const QPoint& p, bool replot = true) { setPixelPosition(p.x(), p.y(), replot); }
void setPixelPosition(const double& x, const double& y, bool replot = true);
bool followMouse() const { return _followMouse; }
CursorShape shape() const { return _shape; }
void setShape(CursorShape value);
public slots:
void setFollowMouse(bool value);
void setVisible(bool on); // make slot
signals:
void positionChanged();
protected:
void draw(QCPPainter *painter) override;
void mouseDoubleClickEvent(QMouseEvent *event, const QVariant &details) override;
private:
bool _followMouse = false;
bool _canDragX = false, _canDragY = false;
bool _dragX = false, _dragY = false;
CursorShape _shape = CrossLines;
private slots:
void mouseDoubleClick(QMouseEvent*);
void mouseMove(QMouseEvent*);
void mousePress(QMouseEvent*);
void mouseRelease(QMouseEvent*);
};
} // namespace QCPL
#endif // QCPL_CURSOR_H