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qgsmaptoolmovelabel.h
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qgsmaptoolmovelabel.h
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/***************************************************************************
qgsmaptoolmovelabel.h
--------------------
begin : 2010-11-03
copyright : (C) 2010 by Marco Hugentobler
email : marco dot hugentobler at sourcepole dot ch
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSMAPTOOLMOVELABEL_H
#define QGSMAPTOOLMOVELABEL_H
#include "qgsmaptoollabel.h"
#include "qgis_app.h"
//! A map tool for dragging label positions
class APP_EXPORT QgsMapToolMoveLabel: public QgsMapToolLabel
{
Q_OBJECT
public:
QgsMapToolMoveLabel( QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDock );
~QgsMapToolMoveLabel();
void deleteRubberBands() override;
void cadCanvasMoveEvent( QgsMapMouseEvent *e ) override;
void cadCanvasPressEvent( QgsMapMouseEvent *e ) override;
void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) override;
void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
void keyPressEvent( QKeyEvent *e ) override;
void keyReleaseEvent( QKeyEvent *e ) override;
protected:
bool canModifyCallout( const QgsCalloutPosition &position, bool isOrigin, int &xCol, int &yCol ) override;
QgsCalloutPosition mCurrentCallout;
bool mCurrentCalloutMoveOrigin = false;
QgsRubberBand *mCalloutMoveRubberBand = nullptr;
//! Start point of the move in map coordinates
QgsPointXY mStartPointMapCoords;
double mClickOffsetX = 0;
double mClickOffsetY = 0;
private:
bool currentCalloutDataDefinedPosition( double &x, bool &xSuccess, double &y, bool &ySuccess, int &xCol, int &yCol );
QgsPointXY snapCalloutPointToCommonAngle( const QgsPointXY &mapPoint, bool showStatusMessage ) const;
};
#endif // QGSMAPTOOLMOVELABEL_H