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115 lines
4.5 KiB
Plaintext
115 lines
4.5 KiB
Plaintext
/***************************************************************************
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qgsmaptooladvanceddigitizing.h - map tool with event in map coordinates
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----------------------
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begin : October 2014
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copyright : (C) Denis Rouzaud
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email : denis.rouzaud@gmail.com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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/**
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* @brief The QgsMapToolAdvancedDigitizing class is a QgsMapTool whcih gives event directly in map coordinates and allows filtering its events.
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* Events from QgsMapTool are caught and their QMouseEvent are transformed into QgsMapMouseEvent (with map coordinates).
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* Events are then forwarded to corresponding virtual methods which can be reimplemented in subclasses.
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* An event filter can be set on the map tool to filter and modify the events in map coordinates (@see QgsMapToolMapEventFilter).
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* @note at the moment, the event filter is used by the CAD tools (@see QgsCadDocWidget).
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* @note the event filter definition is not exposed in python API to avoid any unexpected behavior.
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*/
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class QgsMapToolAdvancedDigitizing : QgsMapToolEdit
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{
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%TypeHeaderCode
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#include "qgsmaptooladvanceddigitizing.h"
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%End
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public:
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//! Different capture modes
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enum CaptureMode
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{
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CaptureNone, //!< Do not capture
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CapturePoint, //!< Capture points
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CaptureLine, //!< Capture lines
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CapturePolygon //!< Capture polygons
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};
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/**
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* Creates an advanced digitizing maptool
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* @param canvas The map canvas on which the tool works
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* @param cadDockWidget The cad dock widget which will be used to adjust mouse events
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*/
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explicit QgsMapToolAdvancedDigitizing( QgsMapCanvas* canvas, QgsAdvancedDigitizingDockWidget* cadDockWidget );
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~QgsMapToolAdvancedDigitizing();
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//! catch the mouse press event, filters it, transforms it to map coordinates and send it to virtual method
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virtual void canvasPressEvent( QgsMapMouseEvent* e );
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//! catch the mouse release event, filters it, transforms it to map coordinates and send it to virtual method
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virtual void canvasReleaseEvent( QgsMapMouseEvent* e );
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//! catch the mouse move event, filters it, transforms it to map coordinates and send it to virtual method
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virtual void canvasMoveEvent( QgsMapMouseEvent* e );
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/**
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* The capture mode
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*
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* @return Capture mode
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*/
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CaptureMode mode() const;
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/**
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* Set capture mode. This should correspond to the layer on which the digitizing
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* happens.
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*
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* @param mode Capture Mode
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*/
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void setMode( CaptureMode mode );
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/**
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* Registers this maptool with the cad dock widget
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*/
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virtual void activate();
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/**
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* Unregisters this maptool from the cad dock widget
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*/
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virtual void deactivate();
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QgsAdvancedDigitizingDockWidget* cadDockWidget() const;
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protected:
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/**
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* Override this method when subclassing this class.
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* This will receive adapted events from the cad system whenever a
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* canvasPressEvent is triggered and it's not hidden by the cad's
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* construction mode.
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*
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* @param e Mouse events prepared by the cad system
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*/
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virtual void cadCanvasPressEvent( QgsMapMouseEvent* e );
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/**
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* Override this method when subclassing this class.
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* This will receive adapted events from the cad system whenever a
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* canvasReleaseEvent is triggered and it's not hidden by the cad's
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* construction mode.
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*
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* @param e Mouse events prepared by the cad system
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*/
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virtual void cadCanvasReleaseEvent( QgsMapMouseEvent* e );
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/**
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* Override this method when subclassing this class.
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* This will receive adapted events from the cad system whenever a
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* canvasMoveEvent is triggered and it's not hidden by the cad's
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* construction mode.
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*
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* @param e Mouse events prepared by the cad system
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*/
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virtual void cadCanvasMoveEvent( QgsMapMouseEvent* e );
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};
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