qgsanimatedicon.h

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/***************************************************************************
  qgsanimatedicon.h - QgsAnimatedIcon
 
 ---------------------
 begin                : 13.3.2017
 copyright            : (C) 2017 by Matthias Kuhn
 email                : matthias@opengis.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 QGSANIMATEDICON_H
#define QGSANIMATEDICON_H
 
#include "qgis_core.h"
 
#include <QIcon>
#include <QMetaMethod>
#include <QMovie>
#include <QObject>

class CORE_EXPORT QgsAnimatedIcon : public QObject
{
    Q_OBJECT
  public:
    QgsAnimatedIcon( const QString &iconPath = QString(), QObject *parent = nullptr );

    QString iconPath() const;

    void setIconPath( const QString &iconPath );

    QIcon icon() const;
 
#ifndef SIP_RUN

    template<typename Func1> bool connectFrameChanged( const typename QtPrivate::FunctionPointer<Func1>::Object *receiver, Func1 slot )
    {
      if ( connect( this, &QgsAnimatedIcon::frameChanged, receiver, slot ) )
      {
        mMovie->setPaused( false );
        return true;
      }
      else
        return false;
    }

    template<typename Func1> bool disconnectFrameChanged( const typename QtPrivate::FunctionPointer<Func1>::Object *receiver, Func1 slot )
    {
      return disconnect( this, &QgsAnimatedIcon::frameChanged, receiver, slot );
    }
 
#endif

    bool connectFrameChanged( const QObject *receiver, const char *method );

    bool disconnectFrameChanged( const QObject *receiver, const char *method );
 

    int width() const;

    int height() const;
 
  signals:

    void frameChanged();
 
  private slots:
    void onFrameChanged();
 
  private:
    QMovie *mMovie = nullptr;
    QIcon mIcon;
};
 
#endif // QGSANIMATEDICON_H