QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgslayoutviewtoolzoom.h
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1 /***************************************************************************
2  qgslayoutviewtoolzoom.h
3  -----------------------
4  Date : July 2017
5  Copyright : (C) 2017 Nyall Dawson
6  Email : nyall dot dawson at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSLAYOUTVIEWTOOLZOOM_H
17 #define QGSLAYOUTVIEWTOOLZOOM_H
18 
19 #include "qgis_sip.h"
20 #include "qgis_gui.h"
21 #include "qgslayoutviewtool.h"
23 #include <memory>
24 
30 class GUI_EXPORT QgsLayoutViewToolZoom : public QgsLayoutViewTool
31 {
32 
33  Q_OBJECT
34 
35  public:
36 
41 
42  void layoutPressEvent( QgsLayoutViewMouseEvent *event ) override;
43  void layoutMoveEvent( QgsLayoutViewMouseEvent *event ) override;
44  void layoutReleaseEvent( QgsLayoutViewMouseEvent *event ) override;
45  void keyPressEvent( QKeyEvent *event ) override;
46  void keyReleaseEvent( QKeyEvent *event ) override;
47  void deactivate() override;
48 
49  protected:
50 
52  bool mMarqueeZoom = false;
53 
54  private:
55 
57  QPoint mMousePressStartPos;
58 
59  QPointF mRubberBandStartPos;
60 
62  std::unique_ptr< QgsLayoutViewRectangularRubberBand > mRubberBand;
63 
64  void startMarqueeZoom( QPointF scenePoint );
65 
66 };
67 
68 #endif // QGSLAYOUTVIEWTOOLZOOM_H
A QgsLayoutViewMouseEvent is the result of a user interaction with the mouse on a QgsLayoutView.
Layout view tool for zooming into and out of the layout.
Abstract base class for all layout view tools.
virtual void deactivate()
Called when tool is deactivated.
virtual void keyReleaseEvent(QKeyEvent *event)
Key release event for overriding.
virtual void layoutMoveEvent(QgsLayoutViewMouseEvent *event)
Mouse move event for overriding.
virtual void layoutPressEvent(QgsLayoutViewMouseEvent *event)
Mouse press event for overriding.
virtual void layoutReleaseEvent(QgsLayoutViewMouseEvent *event)
Mouse release event for overriding.
virtual void keyPressEvent(QKeyEvent *event)
Key press event for overriding.
A graphical widget to display and interact with QgsLayouts.
Definition: qgslayoutview.h:50
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53