/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017     Statoil ASA
//
//  ResInsight 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 3 of the License, or
//  (at your option) any later version.
//
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
//
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "RiuContextMenuLauncher.h"

#include "RimContextCommandBuilder.h"

#include "cvfAssert.h"

#include <QContextMenuEvent>
#include <QEvent>
#include <QMenu>
#include <QWidget>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
RiuContextMenuLauncher::RiuContextMenuLauncher( QWidget* widget, const caf::CmdFeatureMenuBuilder& commandIds )
    : QObject( widget )
    , m_menuBuilder( commandIds )
{
    widget->installEventFilter( this );
}

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RiuContextMenuLauncher::eventFilter( QObject* watchedObject, QEvent* event )
{
    if ( event->type() == QEvent::ContextMenu )
    {
        QMenu menu;
        m_menuBuilder.appendToMenu( &menu );

        if ( menu.actions().size() > 0 )
        {
            QContextMenuEvent* cme = static_cast<QContextMenuEvent*>( event );
            CVF_ASSERT( cme );

            menu.exec( cme->globalPos() );
        }

        return true;
    }

    // standard event processing
    return QObject::eventFilter( watchedObject, event );
}