1 files changed, 129 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/Application/MsgRouter.cpp b/src/Authoring/Qt3DStudio/Application/MsgRouter.cpp
new file mode 100644
index 00000000..fab4bc19
--- /dev/null
+++ b/src/Authoring/Qt3DStudio/Application/MsgRouter.cpp
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "Qt3DSCommonPrecompile.h"
+#include "MsgRouter.h"
+#include "StudioConst.h"
+#include "Core.h"
+#include "Doc.h"
+#include "Views.h"
+
+#include <QtCore/qcoreapplication.h>
+
+static std::unique_ptr<CMsgRouter> static_theInstance;
+
+//==============================================================================
+/**
+ * Constructor
+ */
+CMsgRouter::CMsgRouter()
+{
+    qApp->installEventFilter(this);
+    m_eventType = QEvent::registerEventType();
+}
+
+//==============================================================================
+/**
+ * Destructor
+ */
+CMsgRouter::~CMsgRouter()
+{
+}
+
+CMsgRouter *CMsgRouter::GetInstance()
+{
+    if (!static_theInstance) {
+        static_theInstance.reset(new CMsgRouter);
+    }
+
+    return static_theInstance.get();
+}
+
+void CMsgRouter::blockMessages()
+{
+    qApp->removeEventFilter(this);
+}
+
+//==============================================================================
+/**
+ * Send a command to be executed asynchronously.
+ */
+void CMsgRouter::SendCommand(CCmd *inCommand, CCore *inCore)
+{
+    SMessageData *theMsgData = new SMessageData(m_eventType);
+    theMsgData->Method = &CMsgRouter::OnCommand;
+    theMsgData->Data = inCommand;
+    theMsgData->Data2 = inCore;
+
+    qApp->postEvent(qApp, theMsgData);
+}
+
+bool CMsgRouter::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() == m_eventType) {
+        SMessageData *theMsgData = reinterpret_cast<SMessageData *>(event);
+        (this->*(theMsgData->Method))(theMsgData);
+        return true;
+    }
+
+    return false;
+}
+
+//==============================================================================
+/**
+ * Windows entry point for processing generic messages.
+ */
+void CMsgRouter::OnAsyncNotification(SMessageData *inMessageData)
+{
+    try {
+        CRoutedMessageBase *theRoutedMsg = static_cast<CRoutedMessageBase *>(inMessageData->Data);
+        if (theRoutedMsg)
+            theRoutedMsg->Notify();
+    } catch (...) {
+        // Catch crashes in case the object is gone
+    }
+}
+
+//==============================================================================
+/**
+ * Main thread processing for processing command execution messages.
+ */
+void CMsgRouter::OnCommand(SMessageData *inMsgData)
+{
+    CCmd *theCommand = static_cast<CCmd *>(inMsgData->Data);
+    CCore *theCore = static_cast<CCore *>(inMsgData->Data2);
+    theCore->ExecuteCommand(theCommand, true);
+}
+
+
+
+CMsgRouter::SMessageData::SMessageData(int eventType) :
+    QEvent(static_cast<QEvent::Type>(eventType))
+{
+}