qgsmaterialwidget.h

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/***************************************************************************
  qgsmaterialwidget.h
  --------------------------------------
  Date                 : July 2020
  Copyright            : (C) 2020 by 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 QGSMATERIALWIDGET_H
#define QGSMATERIALWIDGET_H
 
#include "ui_materialwidget.h"
 
#include <memory>
 
#include "qgis.h"
#include "qgis_gui.h"
 
#include <QDialog>
#include <QPointer>
#include <QWidget>
 
#define SIP_NO_FILE
 
class QgsAbstractMaterialSettings;
class QgsVectorLayer;
class QDialogButtonBox;

class GUI_EXPORT QgsMaterialWidget : public QgsPanelWidget, private Ui::MaterialWidgetBase
{
    Q_OBJECT
  public:
    explicit QgsMaterialWidget( QWidget *parent = nullptr );
    ~QgsMaterialWidget() override;

    void setTechnique( Qgis::MaterialRenderingTechnique technique );

    Qgis::MaterialRenderingTechnique technique() const { return mTechnique; }

    void setFilterByTechnique( bool enabled );

    bool filterByTechnique() const { return mFilterByTechnique; }

    void setSettings( const QgsAbstractMaterialSettings *settings, QgsVectorLayer *layer );

    std::unique_ptr< QgsAbstractMaterialSettings > settings();

    void setType( const QString &type );
 
  public slots:

    void setPreviewVisible( bool visible );
 
  signals:

    void changed();
 
  private slots:
    void materialTypeChanged();
    void materialWidgetChanged();
 
  private:
    void updateMaterialWidget();
    void rebuildAvailableTypes();
    bool mPreviewVisible = false;
    QPointer< QgsVectorLayer > mLayer;
 
    std::unique_ptr<QgsAbstractMaterialSettings> mCurrentSettings;
 
    bool mFilterByTechnique = false;
    Qgis::MaterialRenderingTechnique mTechnique = Qgis::MaterialRenderingTechnique::Triangles;
};
 

class GUI_EXPORT QgsMaterialWidgetDialog : public QDialog
{
    Q_OBJECT
 
  public:
    QgsMaterialWidgetDialog( const QgsAbstractMaterialSettings *settings, QWidget *parent SIP_TRANSFERTHIS = nullptr );

    std::unique_ptr< QgsAbstractMaterialSettings > settings();

    QDialogButtonBox *buttonBox();
 
  private:
    QgsMaterialWidget *mWidget = nullptr;
    QDialogButtonBox *mButtonBox = nullptr;
};
 
 
#endif // QGSMATERIALWIDGET_H