qgslayoutunitscombobox.h

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/***************************************************************************
                             qgslayoutunitscombobox.h
                             ------------------------
    Date                 : July 2017
    Copyright            : (C) 2017 Nyall Dawson
    Email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSLAYOUTUNITSCOMBOBOX_H
#define QGSLAYOUTUNITSCOMBOBOX_H
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsunittypes.h"
 
#include <QComboBox>
#include <QDoubleSpinBox>
#include <QPointer>
 
class QgsLayoutMeasurementConverter;

class GUI_EXPORT QgsLayoutUnitsComboBox : public QComboBox
{
    Q_OBJECT
    Q_PROPERTY( Qgis::LayoutUnit unit READ unit WRITE setUnit NOTIFY changed )
 
  public:
    QgsLayoutUnitsComboBox( QWidget *parent SIP_TRANSFERTHIS = nullptr );

    Qgis::LayoutUnit unit() const;

    void setUnit( Qgis::LayoutUnit unit );

    void linkToWidget( QDoubleSpinBox *widget );

    QgsLayoutMeasurementConverter *converter() const;

    void setConverter( QgsLayoutMeasurementConverter *converter );
 
  signals:
 
#ifndef SIP_RUN

    void unitChanged( Qgis::LayoutUnit unit );
#endif

    void changed( int unit );
 
  private slots:
 
    void indexChanged( int index );
 
  private:
    QgsLayoutMeasurementConverter *mConverter = nullptr;
 
    Qgis::LayoutUnit mOldUnit = Qgis::LayoutUnit::Millimeters;
 
    QList<QPointer<QDoubleSpinBox>> mLinkedSpinBoxes;
};
 
#endif // QGSLAYOUTUNITSCOMBOBOX_H