QGIS API Documentation 3.29.0-Master (006c3c0232)
qgsmodelviewtoolzoom.h
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1/***************************************************************************
2 qgsmodelviewtoolzoom.h
3 -----------------------
4 Date : March 2020
5 Copyright : (C) 2020 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 QGSMODELVIEWTOOLZOOM_H
17#define QGSMODELVIEWTOOLZOOM_H
18
19#include "qgis_sip.h"
20#include "qgis_gui.h"
21#include "qgsmodelviewtool.h"
23#include <memory>
24
25#define SIP_NO_FILE
26
32class GUI_EXPORT QgsModelViewToolZoom : public QgsModelViewTool
33{
34
35 Q_OBJECT
36
37 public:
38
42 QgsModelViewToolZoom( QgsModelGraphicsView *view SIP_TRANSFERTHIS );
43
44 void modelPressEvent( QgsModelViewMouseEvent *event ) override;
45 void modelMoveEvent( QgsModelViewMouseEvent *event ) override;
46 void modelReleaseEvent( QgsModelViewMouseEvent *event ) override;
47 void keyPressEvent( QKeyEvent *event ) override;
48 void keyReleaseEvent( QKeyEvent *event ) override;
49 void deactivate() override;
50
51 protected:
52
54 bool mMarqueeZoom = false;
55
56 private:
57
59 QPoint mMousePressStartPos;
60
61 QPointF mRubberBandStartPos;
62
64 std::unique_ptr< QgsModelViewRectangularRubberBand > mRubberBand;
65
66 void startMarqueeZoom( QPointF scenePoint );
67
68};
69
70#endif // QGSMODELVIEWTOOLZOOM_H
A QgsModelViewMouseEvent is the result of a user interaction with the mouse on a QgsModelGraphicsView...
Model view tool for zooming into and out of the model.
Abstract base class for all model designer view tools.
virtual void keyReleaseEvent(QKeyEvent *event)
Key release event for overriding.
virtual void modelMoveEvent(QgsModelViewMouseEvent *event)
Mouse move event for overriding.
virtual void deactivate()
Called when tool is deactivated.
virtual void modelPressEvent(QgsModelViewMouseEvent *event)
Mouse press event for overriding.
virtual void keyPressEvent(QKeyEvent *event)
Key press event for overriding.
virtual void modelReleaseEvent(QgsModelViewMouseEvent *event)
Mouse release event for overriding.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53