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/* $Id$ */
/** @file
* VBox Qt GUI - UIMultiScreenLayout class declaration.
*/
/*
* Copyright (C) 2010-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* 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, in version 3 of the
* License.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef FEQT_INCLUDED_SRC_runtime_UIMultiScreenLayout_h
#define FEQT_INCLUDED_SRC_runtime_UIMultiScreenLayout_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/* Qt includes: */
#include <QObject>
#include <QMap>
/* Forward declarations: */
class UIMachineLogic;
class QMenu;
class QAction;
/* Multi-screen layout manager: */
class UIMultiScreenLayout : public QObject
{
Q_OBJECT;
signals:
/** Notifies about layout change. */
void sigScreenLayoutChange();
public:
/* Constructor/destructor: */
UIMultiScreenLayout(UIMachineLogic *pMachineLogic);
/* API: Update stuff: */
void update();
void rebuild();
/* API: Getters: */
int hostScreenCount() const;
int guestScreenCount() const;
int hostScreenForGuestScreen(int iScreenId) const;
bool hasHostScreenForGuestScreen(int iScreenId) const;
quint64 memoryRequirements() const;
private slots:
/* Handler: Screen change stuff: */
void sltHandleScreenLayoutChange(int iRequestedGuestScreen, int iRequestedHostScreen);
private:
/* Helpers: Prepare stuff: */
void calculateHostMonitorCount();
void calculateGuestScreenCount();
void prepareConnections();
/* Other helpers: */
void saveScreenMapping();
quint64 memoryRequirements(const QMap<int, int> &screenLayout) const;
/* Variables: */
UIMachineLogic *m_pMachineLogic;
QList<int> m_guestScreens;
QList<int> m_disabledGuestScreens;
const uint m_cGuestScreens;
int m_cHostScreens;
QMap<int, int> m_screenMap;
QList<QMenu*> m_screenMenuList;
};
#endif /* !FEQT_INCLUDED_SRC_runtime_UIMultiScreenLayout_h */
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