qgssymbolslistwidget.h

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/***************************************************************************
 qgssymbolslistwidget.h
 ---------------------
 begin                : June 2012
 copyright            : (C) 2012 by Arunmozhi
 email                : aruntheguy at gmail.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 QGSSYMBOLSLISTWIDGET_H
#define QGSSYMBOLSLISTWIDGET_H
 
#include "ui_widget_symbolslist.h"
 
#include "qgssymbolwidgetcontext.h"
#include "qgsstylemodel.h"
#include <QWidget>
#include "qgis_gui.h"
 
class QgsSymbol;
class QgsStyle;
 
class QMenu;
 
class GUI_EXPORT QgsSymbolsListWidget : public QWidget, private Ui::SymbolsListWidget, private QgsExpressionContextGenerator
{
    Q_OBJECT
 
  public:
 
    QgsSymbolsListWidget( QgsSymbol *symbol, QgsStyle *style, QMenu *menu, QWidget *parent SIP_TRANSFERTHIS, QgsVectorLayer *layer = nullptr );
 
 
    ~QgsSymbolsListWidget() override;
 
    void setContext( const QgsSymbolWidgetContext &context );
 
    QgsSymbolWidgetContext context() const;
 
    const QgsVectorLayer *layer() const { return mLayer; }
 
  public slots:
 
    void setSymbolColor( const QColor &color );
    void setMarkerAngle( double angle );
    void setMarkerSize( double size );
    void setLineWidth( double width );
 
    void clipFeaturesToggled( bool checked );
 
    void updateDataDefinedMarkerSize();
    void updateDataDefinedMarkerAngle();
    void updateDataDefinedLineWidth();
 
  signals:
    void changed();
 
  private slots:
    void setSymbolFromStyle( const QString &name, QgsStyle::StyleEntity type );
    void mSymbolUnitWidget_changed();
    void updateAssistantSymbol();
    void opacityChanged( double value );
    void createAuxiliaryField();
    void createSymbolAuxiliaryField();
    void forceRHRToggled( bool checked );
    void saveSymbol();
    void updateSymbolDataDefinedProperty();
 
  private:
 
    void registerSymbolDataDefinedButton( QgsPropertyOverrideButton *button, QgsSymbol::Property key );
 
    QgsSymbol *mSymbol = nullptr;
    std::shared_ptr< QgsSymbol > mAssistantSymbol;
    QgsStyle *mStyle = nullptr;
    QMenu *mAdvancedMenu = nullptr;
    QAction *mClipFeaturesAction = nullptr;
    QAction *mStandardizeRingsAction = nullptr;
    QgsVectorLayer *mLayer = nullptr;
    QgsMapCanvas *mMapCanvas = nullptr;
 
    QgsColorButton *mSymbolColorButton = nullptr;
    QgsOpacityWidget *mSymbolOpacityWidget = nullptr;
    QgsUnitSelectionWidget *mSymbolUnitWidget = nullptr;
 
    void updateSymbolColor();
    void updateSymbolInfo();
    QgsSymbolWidgetContext mContext;
 
    QgsExpressionContext createExpressionContext() const override;
    void registerDataDefinedButton( QgsPropertyOverrideButton *button, QgsSymbolLayer::Property key );
};
 
#endif //QGSSYMBOLSLISTWIDGET_H