QGIS API Documentation 3.39.0-Master (67e056379ed)
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qgsrasterbandcombobox.h
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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
33class GUI_EXPORT QgsRasterBandComboBox : public QComboBox
34{
35 Q_OBJECT
36 Q_PROPERTY( int band READ currentBand WRITE setBand NOTIFY bandChanged )
37
38 public:
39
43 QgsRasterBandComboBox( QWidget *parent SIP_TRANSFERTHIS = nullptr );
44
49 QgsRasterLayer *layer() const;
50
56 int currentBand() const;
57
62 bool isShowingNotSetOption() const;
63
70 void setShowNotSetOption( bool show, const QString &string = QString() );
71
75 static QString displayBandName( QgsRasterDataProvider *provider, int band );
76
77 public slots:
78
84 void setLayer( QgsMapLayer *layer );
85
90 void setBand( int band );
91
92 signals:
93
97 void bandChanged( int band );
98
99 private:
100
101 QPointer< QgsRasterLayer > mLayer;
102
103 bool mShowNotSet = false;
104 QString mNotSetString;
105 int mPrevBand = -1;
106
107
108
109};
110
111#endif // QGSRASTERBANDCOMBOBOX_H
Base class for all map layer types.
Definition qgsmaplayer.h:75
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