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@@ -13,32 +13,100 @@ |
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#define MAPCOORDSDIALOG_H |
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#include <QDialog> |
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#include <QMouseEvent> |
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#include "qgsmaptoolemitpoint.h" |
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#include "qgssnappingutils.h" |
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#include "qgspoint.h" |
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#include "qgsvertexmarker.h" |
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#include "qgsmapcanvas.h" |
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#include <ui_qgsmapcoordsdialogbase.h> |
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class QPushButton; |
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class QgsGeorefMapToolEmitPoint : public QgsMapToolEmitPoint |
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class QgsGeorefMapToolEmitPoint : public QgsMapTool |
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{ |
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Q_OBJECT |
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public: |
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explicit QgsGeorefMapToolEmitPoint( QgsMapCanvas *canvas ) |
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: QgsMapToolEmitPoint( canvas ) |
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: QgsMapTool( canvas ) |
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{ |
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} |
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void canvasReleaseEvent( QgsMapMouseEvent* e ) override |
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virtual ~QgsGeorefMapToolEmitPoint() |
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{ |
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QgsMapToolEmitPoint::canvasReleaseEvent( e ); |
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delete mSnappingMarker; |
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mSnappingMarker = nullptr; |
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} |
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void canvasMoveEvent( QgsMapMouseEvent *e ) override |
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{ |
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MappedPoint mapped = mapPoint( e ); |
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if ( !mapped.snapped ) |
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{ |
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delete mSnappingMarker; |
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mSnappingMarker = nullptr; |
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} |
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else |
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{ |
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if ( !mSnappingMarker ) |
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{ |
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mSnappingMarker = new QgsVertexMarker( mCanvas ); |
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mSnappingMarker->setIconType( QgsVertexMarker::ICON_CROSS ); |
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mSnappingMarker->setColor( Qt::magenta ); |
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mSnappingMarker->setPenWidth( 3 ); |
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} |
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mSnappingMarker->setCenter( mapped.point ); |
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} |
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} |
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void canvasPressEvent( QgsMapMouseEvent * e ) override |
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{ |
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MappedPoint mapped = mapPoint( e ); |
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emit canvasClicked( mapped.point, e->button() ); |
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} |
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void canvasReleaseEvent( QgsMapMouseEvent *e ) override |
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{ |
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QgsMapTool::canvasReleaseEvent( e ); |
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emit mouseReleased(); |
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} |
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void deactivate() override |
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{ |
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delete mSnappingMarker; |
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mSnappingMarker = 0; |
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QgsMapTool::deactivate(); |
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} |
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signals: |
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void canvasClicked( const QgsPoint& point, Qt::MouseButton button ); |
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void mouseReleased(); |
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private: |
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struct MappedPoint |
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{ |
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QgsPoint point; |
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bool snapped = false; |
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}; |
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MappedPoint mapPoint( QMouseEvent *e ) |
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{ |
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QgsPoint pnt = toMapCoordinates( e->pos() ); |
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QgsSnappingUtils* snappingUtils = canvas()->snappingUtils(); |
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auto match = snappingUtils->snapToMap( pnt ); |
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MappedPoint ret; |
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ret.snapped = match.isValid(); |
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ret.point = ret.snapped ? match.point() : pnt; |
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return ret; |
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} |
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QgsVertexMarker* mSnappingMarker = nullptr; |
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}; |
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class QgsMapCoordsDialog : public QDialog, private Ui::QgsMapCoordsDialogBase |
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