QGIS API Documentation 3.37.0-Master (fa0c88a90b0)
qgsfocuswatcher.h
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1/***************************************************************************
2 qgsfocuswatcher.h
3 -----------------
4 Date : April 2016
5 Copyright : (C) 2016 by 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 QGSFOCUSWATCHER_H
17#define QGSFOCUSWATCHER_H
18
19#include <QObject>
20#include "qgis_sip.h"
21#include "qgis_gui.h"
22
32class GUI_EXPORT QgsFocusWatcher : public QObject
33{
34 Q_OBJECT
35
36 public:
37
43 explicit QgsFocusWatcher( QObject *parent SIP_TRANSFERTHIS );
44
45 bool eventFilter( QObject *obj, QEvent *event ) override;
46
47 signals:
48
53 void focusChanged( bool focused );
54
56 void focusIn();
57
59 void focusOut();
60
61};
62
63#endif //QGSFOCUSWATCHER_H
A event filter for watching for focus events on a parent object.
void focusIn()
Emitted when parent object gains focus.
void focusChanged(bool focused)
Emitted when parent object's focus changes.
void focusOut()
Emitted when parent object loses focus.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53