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 <QLabel>
#include <QPushButton>


#include "qgscollapsiblegroupbox.h"
#include "qgsmaplayer.h"
#include "qgsmapcanvas.h"
#include "qgsscalecombobox.h"


class GUI_EXPORT QgsScaleRangeWidget : public QWidget
{
    Q_OBJECT

  public:
    explicit QgsScaleRangeWidget( QWidget *parent = 0 );
    ~QgsScaleRangeWidget();


    void setMapCanvas( QgsMapCanvas* mapCanvas );

    double minimumScale();

    double maximumScale();

    double minimumScaleDenom();

    double maximumScaleDenom();

    void reloadProjectScales();

  public slots:
    void setMinimumScale( double scale );

    void setMaximumScale( double scale );

    void setScaleRange( double min, double max );

  private slots:
    void setMaxScaleFromCanvas();
    void setMinScaleFromCanvas();

  private:
    QgsMapCanvas* mCanvas;

    // ui
    QGridLayout* mLayout;
    QLabel* mMaximumScaleIconLabel;
    QLabel* mMinimumScaleIconLabel;
    QPushButton* mMaximumScaleSetCurrentPushButton;
    QPushButton* mMinimumScaleSetCurrentPushButton;
    QgsScaleComboBox* mMaximumScaleComboBox;
    QgsScaleComboBox* mMinimumScaleComboBox;
};

#endif // QGSSCALERANGEWIDGET_H