QGIS API Documentation  3.13.0-Master (788156190c)
qgsopacitywidget.h
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1 /***************************************************************************
2  qgsopacitywidget.h
3  -----------------
4  Date : May 2017
5  Copyright : (C) 2017 Nyall Dawson
6  Email : [email protected]
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 QGSOPACITYWIDGET_H
17 #define QGSOPACITYWIDGET_H
18 
19 #include <QWidget>
20 #include "qgis_sip.h"
21 #include "qgis_gui.h"
22 
23 class QgsDoubleSpinBox;
24 class QSlider;
25 
32 class GUI_EXPORT QgsOpacityWidget : public QWidget
33 {
34  Q_OBJECT
35  Q_PROPERTY( double opacity READ opacity WRITE setOpacity NOTIFY opacityChanged )
36 
37  public:
38 
42  explicit QgsOpacityWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
43 
50  double opacity() const;
51 
52  public slots:
53 
60  void setOpacity( double opacity );
61 
62  signals:
63 
70  void opacityChanged( double opacity );
71 
72  private slots:
73 
74  void spinChanged( double value );
75 
76  private:
77 
78  QgsDoubleSpinBox *mSpinBox = nullptr;
79  QSlider *mSlider = nullptr;
80 
81 };
82 
83 #endif // QGSOPACITYWIDGET_H
qgis_sip.h
QgsOpacityWidget
A widget for setting an opacity value.
Definition: qgsopacitywidget.h:32
QgsDoubleSpinBox
The QgsSpinBox is a spin box with a clear button that will set the value to the defined clear value....
Definition: qgsdoublespinbox.h:42
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53