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 <QComboBox>
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsunittypes.h"
#include <QDoubleSpinBox>
#include <QPointer>
 
class QgsLayoutMeasurementConverter;
 
class GUI_EXPORT QgsLayoutUnitsComboBox : public QComboBox
{
    Q_OBJECT
    Q_PROPERTY( QgsUnitTypes::LayoutUnit unit READ unit WRITE setUnit NOTIFY changed )
 
  public:
 
    QgsLayoutUnitsComboBox( QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    QgsUnitTypes::LayoutUnit unit() const;
 
    void setUnit( QgsUnitTypes::LayoutUnit unit );
 
    void linkToWidget( QDoubleSpinBox *widget );
 
    QgsLayoutMeasurementConverter *converter() const;
 
    void setConverter( QgsLayoutMeasurementConverter *converter );
 
  signals:
 
    void changed( QgsUnitTypes::LayoutUnit unit );
 
  private slots:
 
    void indexChanged( int index );
 
  private:
 
    QgsLayoutMeasurementConverter *mConverter = nullptr;
 
    QgsUnitTypes::LayoutUnit mOldUnit = QgsUnitTypes::LayoutMillimeters;
 
    QList< QPointer< QDoubleSpinBox > > mLinkedSpinBoxes;
};
 
#endif // QGSLAYOUTUNITSCOMBOBOX_H