QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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qgsscalerangewidget.h
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1/***************************************************************************
2 qgsscalerangewidget.h
3 --------------------------------------
4 Date : 25.04.2014
5 Copyright : (C) 2014 Denis Rouzaud
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 QGSSCALERANGEWIDGET_H
17#define QGSSCALERANGEWIDGET_H
18
19#include <QGridLayout>
20#include "qgis_sip.h"
21#include <QLabel>
22#include "qgis_gui.h"
23
24class QgsMapCanvas;
25class QgsScaleWidget;
26
32class GUI_EXPORT QgsScaleRangeWidget : public QWidget
33{
34 Q_OBJECT
35 Q_PROPERTY( double minimumScale READ minimumScale WRITE setMinimumScale )
36 Q_PROPERTY( double maximumScale READ maximumScale WRITE setMaximumScale )
37
38 public:
39
43 explicit QgsScaleRangeWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
44
49 void setMapCanvas( QgsMapCanvas *canvas );
50
57 double minimumScale() const;
58
65 double maximumScale() const;
66
70 void reloadProjectScales();
71
72 public slots:
73
86 void setMinimumScale( double scale );
87
100 void setMaximumScale( double scale );
101
109 void setScaleRange( double min, double max );
110
111 signals:
112
118 void rangeChanged( double min, double max );
119
120 private slots:
121
122 void emitRangeChanged();
123
124 private:
126 QgsMapCanvas *mCanvas = nullptr;
127
128 // ui
129 QGridLayout *mLayout = nullptr;
130 QLabel *mMaximumScaleIconLabel = nullptr;
131 QLabel *mMinimumScaleIconLabel = nullptr;
132 QgsScaleWidget *mMaximumScaleWidget = nullptr;
133 QgsScaleWidget *mMinimumScaleWidget = nullptr;
134};
135
136#endif // QGSSCALERANGEWIDGET_H
Map canvas is a class for displaying all GIS data types on a canvas.
A widget allowing entry of a range of map scales, e.g.
A combobox which lets the user select map scale from predefined list and highlights nearest to curren...
#define SIP_TRANSFERTHIS
Definition qgis_sip.h:53