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/****************************************************************************
**
** Copyright (C) 2002 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//==============================================================================
// Prefix
//==============================================================================
#ifndef INCLUDED_MSG_ROUTER_H
#define INCLUDED_MSG_ROUTER_H 1
#pragma once
//==============================================================================
// Defines
//==============================================================================
//==============================================================================
// Includes
//==============================================================================
#include "StudioConst.h"
#include <QEvent>
#include <QObject>
//==============================================================================
// Forwards
//==============================================================================
class CCmd;
class CCore;
class CRoutedMessageBase
{
public:
CRoutedMessageBase() {}
virtual ~CRoutedMessageBase() {}
virtual void Notify() = 0;
};
template <typename TObject, typename TData>
class CRoutedMessageImpl : public CRoutedMessageBase
{
protected:
typedef void (TObject::*TMethod)(const TData &);
public:
TObject *m_Object;
TMethod m_Method;
TData m_Data;
CRoutedMessageImpl(TObject *inObject, TMethod inMethod, const TData &inData)
: m_Object(inObject)
, m_Method(inMethod)
, m_Data(inData)
{
}
virtual void Notify() { (m_Object->*m_Method)(m_Data); }
};
//==============================================================================
/**
* Routes user-defined messages between different threads of an application.
*/
class CMsgRouter : public QObject
{
protected:
class SMessageData;
public:
typedef void (CMsgRouter::*TMainThreadMethod)(SMessageData *inMessageData);
public:
static CMsgRouter *GetInstance();
virtual ~CMsgRouter();
void SendCommand(CCmd *inCommand, CCore *inCore);
void blockMessages();
protected:
bool eventFilter(QObject *watched, QEvent *event) override;
CMsgRouter(); ///< This is a singleton so the constructor is not public (call GetInstance)
class SMessageData : public QEvent
{
public:
SMessageData(int eventType);
TMainThreadMethod Method;
void *Data;
void *Data2;
};
void OnAsyncNotification(SMessageData *inMessageData);
void OnCommand(SMessageData *inMessageData);
private:
int m_eventType;
};
#endif // INCLUDED_MSG_ROUTER_H
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