QGIS API Documentation 3.27.0-Master (0a97e3138f)
qgsrasterbandcombobox.h
Go to the documentation of this file.
1/***************************************************************************
2 qgsrasterbandcombobox.h
3 -----------------------
4 begin : May 2017
5 copyright : (C) 2017 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 QGSRASTERBANDCOMBOBOX_H
17#define QGSRASTERBANDCOMBOBOX_H
18
19#include "qgis_gui.h"
20#include "qgis_sip.h"
21#include "qgsrasterlayer.h"
22#include <QComboBox>
23#include <QPointer>
24
25class QgsMapLayer;
27
34class GUI_EXPORT QgsRasterBandComboBox : public QComboBox
35{
36 Q_OBJECT
37 Q_PROPERTY( int band READ currentBand WRITE setBand NOTIFY bandChanged )
38
39 public:
40
44 QgsRasterBandComboBox( QWidget *parent SIP_TRANSFERTHIS = nullptr );
45
50 QgsRasterLayer *layer() const;
51
57 int currentBand() const;
58
63 bool isShowingNotSetOption() const;
64
71 void setShowNotSetOption( bool show, const QString &string = QString() );
72
76 static QString displayBandName( QgsRasterDataProvider *provider, int band );
77
78 public slots:
79
85 void setLayer( QgsMapLayer *layer );
86
91 void setBand( int band );
92
93 signals:
94
98 void bandChanged( int band );
99
100 private:
101
102 QPointer< QgsRasterLayer > mLayer;
103
104 bool mShowNotSet = false;
105 QString mNotSetString;
106 int mPrevBand = -1;
107
108
109
110};
111
112#endif // QGSRASTERBANDCOMBOBOX_H
Base class for all map layer types.
Definition: qgsmaplayer.h:73
A combobox widget which displays the bands present in a raster layer.
void bandChanged(int band)
Emitted when the currently selected band changes.
Base class for raster data providers.
Represents a raster layer.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53