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74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/***************************************************************************
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qgsstatusbarmagnifierwidget.h
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begin : April 2016
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copyright : (C) 2016 Paul Blottiere, Oslandia
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email : paul dot blottiere at oslandia dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSSTATUSBARMAGNIFIERWIDGET_H
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#define QGSSTATUSBARMAGNIFIERWIDGET_H
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class QLabel;
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class QFont;
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class QHBoxLayout;
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class QgsDoubleSpinBox;
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#include <QWidget>
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#include "qgis_app.h"
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/**
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* A widget which lets the user select the current level of magnification to
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* apply to the canvas.
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* \since QGIS 2.16
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*/
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class APP_EXPORT QgsStatusBarMagnifierWidget : public QWidget
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{
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Q_OBJECT
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public:
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/**
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* Constructor
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* \param parent is the parent widget
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*/
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QgsStatusBarMagnifierWidget( QWidget *parent = nullptr );
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void setDefaultFactor( double factor );
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/**
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* Set the font of the text
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* \param font the font to use
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*/
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void setFont( const QFont &font );
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public slots:
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//! will be triggered from map canvas changes (from mouse wheel, zoom)
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void updateMagnification( double factor );
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private slots:
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//! will be triggered form user input in spin box
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void setMagnification( double value );
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signals:
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void magnificationChanged( double factor );
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private:
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QHBoxLayout *mLayout = nullptr;
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QLabel *mLabel = nullptr;
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QgsDoubleSpinBox *mSpinBox = nullptr;
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};
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#endif
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