/usr/include/qgis/qgsrelationreferencewidgetwrapper.h is in libqgis-dev 2.14.11+dfsg-3+deb9u1.
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qgsrelationreferencewidgetwrapper.h
--------------------------------------
Date : 20.4.2013
Copyright : (C) 2013 Matthias Kuhn
Email : matthias at opengis dot ch
***************************************************************************
* *
* 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 QGSRELATIONREFERENCEWIDGETWRAPPER_H
#define QGSRELATIONREFERENCEWIDGETWRAPPER_H
#include "qgsrelationreferencewidget.h"
#include "qgseditorwidgetwrapper.h"
/**
* Wraps a relation reference widget.
*
* Options:
* <ul>
* <li><b>ShowForm</b> <i>If True, an embedded form with the referenced feature will be shown.</i></li>
* <li><b>MapIdentification</b> <i>Will offer a map tool to pick a referenced feature on the map canvas. Only use for layers with geometry.</i></li>
* <li><b>ReadOnly</b> <i>If True, will represent the referenced widget in a read-only line edit. Can speed up loading.</i></li>
* <li><b>AllowNULL</b> <i>Will offer NULL as a value.</i></li>
* <li><b>Relation</b> <i>The ID of the relation that will be used to define this widget.</i></li>
* ReadOnly
* </ul>
*
*/
class GUI_EXPORT QgsRelationReferenceWidgetWrapper : public QgsEditorWidgetWrapper
{
Q_OBJECT
public:
explicit QgsRelationReferenceWidgetWrapper( QgsVectorLayer* vl,
int fieldIdx,
QWidget* editor,
QgsMapCanvas* canvas,
QgsMessageBar* messageBar,
QWidget* parent = nullptr );
virtual QWidget* createWidget( QWidget* parent ) override;
virtual void initWidget( QWidget* editor ) override;
virtual QVariant value() const override;
bool valid() const override;
public slots:
virtual void setValue( const QVariant& value ) override;
virtual void setEnabled( bool enabled ) override;
private slots:
void foreignKeyChanged( QVariant value );
private:
QgsRelationReferenceWidget* mWidget;
QgsMapCanvas* mCanvas;
QgsMessageBar* mMessageBar;
};
#endif // QGSRELATIONREFERENCEWIDGETWRAPPER_H
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