QGIS API Documentation 3.27.0-Master (75dc696944)
qgsfocuskeeper.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsfocuskeeper.h
3 ---------------
4 Date : May 2020
5 Copyright : (C) 2020 Even Rouault
6 Email : even dot rouault at spatialys 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 QGSFOCUSKEEPER_H
17#define QGSFOCUSKEEPER_H
18
19#include "qgis_gui.h"
20
21#define SIP_NO_FILE
22
23#include <QObject>
24#include <QPointer>
25
26class QWidget;
27
35class GUI_EXPORT QgsFocusKeeper : public QObject
36{
37 Q_OBJECT
38
39 QPointer<QWidget> mWidgetToKeepFocused;
40
41 public:
43 ~QgsFocusKeeper() override;
44
45 protected:
46 bool eventFilter( QObject *obj, QEvent *event ) override;
47};
48
49#endif // QGSFOCUSKEEPER_H
Trick to keep a widget focused and avoid QT crashes.