QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgslayoutunitscombobox.h
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1 /***************************************************************************
2  qgslayoutunitscombobox.h
3  ------------------------
4  Date : July 2017
5  Copyright : (C) 2017 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 #ifndef QGSLAYOUTUNITSCOMBOBOX_H
16 #define QGSLAYOUTUNITSCOMBOBOX_H
17 
18 #include <QComboBox>
19 #include "qgis_gui.h"
20 #include "qgis_sip.h"
21 #include "qgsunittypes.h"
22 #include <QDoubleSpinBox>
23 #include <QPointer>
24 
26 
33 class GUI_EXPORT QgsLayoutUnitsComboBox : public QComboBox
34 {
35  Q_OBJECT
36  Q_PROPERTY( QgsUnitTypes::LayoutUnit unit READ unit WRITE setUnit NOTIFY changed )
37 
38  public:
39 
43  QgsLayoutUnitsComboBox( QWidget *parent SIP_TRANSFERTHIS = nullptr );
44 
49  QgsUnitTypes::LayoutUnit unit() const;
50 
55  void setUnit( QgsUnitTypes::LayoutUnit unit );
56 
67  void linkToWidget( QDoubleSpinBox *widget );
68 
73  QgsLayoutMeasurementConverter *converter() const;
74 
81  void setConverter( QgsLayoutMeasurementConverter *converter );
82 
83  signals:
84 
89 
90  private slots:
91 
92  void indexChanged( int index );
93 
94  private:
95 
96  QgsLayoutMeasurementConverter *mConverter = nullptr;
97 
99 
100  QList< QPointer< QDoubleSpinBox > > mLinkedSpinBoxes;
101 };
102 
103 #endif // QGSLAYOUTUNITSCOMBOBOX_H
This class provides a method of converting QgsLayoutMeasurements from one unit to another.
A custom combo box for selecting units for layout settings.
void changed(QgsUnitTypes::LayoutUnit unit)
Emitted when the unit is changed.
LayoutUnit
Layout measurement units.
Definition: qgsunittypes.h:182
@ LayoutMillimeters
Millimeters.
Definition: qgsunittypes.h:183
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53