qgsscalerangewidget.h

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/***************************************************************************
   qgsscalerangewidget.h
    --------------------------------------
   Date                 : 25.04.2014
   Copyright            : (C) 2014 Denis Rouzaud
   Email                : [email protected]
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/
 
#ifndef QGSSCALERANGEWIDGET_H
#define QGSSCALERANGEWIDGET_H
 
#include <QGridLayout>
#include "qgis_sip.h"
#include <QLabel>
#include "qgis_gui.h"
 
class QgsMapCanvas;
class QgsScaleWidget;
 
class GUI_EXPORT QgsScaleRangeWidget : public QWidget
{
    Q_OBJECT
    Q_PROPERTY( double minimumScale READ minimumScale WRITE setMinimumScale )
    Q_PROPERTY( double maximumScale READ maximumScale WRITE setMaximumScale )
 
  public:
 
    explicit QgsScaleRangeWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    void setMapCanvas( QgsMapCanvas *canvas );
 
    double minimumScale() const;
 
    double maximumScale() const;
 
    void reloadProjectScales();
 
  public slots:
 
    void setMinimumScale( double scale );
 
    void setMaximumScale( double scale );
 
    void setScaleRange( double min, double max );
 
  signals:
 
    void rangeChanged( double min, double max );
 
  private slots:
 
    void emitRangeChanged();
 
  private:
    QgsMapCanvas *mCanvas = nullptr;
 
    // ui
    QGridLayout *mLayout = nullptr;
    QLabel *mMaximumScaleIconLabel = nullptr;
    QLabel *mMinimumScaleIconLabel = nullptr;
    QgsScaleWidget *mMaximumScaleWidget = nullptr;
    QgsScaleWidget *mMinimumScaleWidget = nullptr;
};
 
#endif // QGSSCALERANGEWIDGET_H