UBDisplayManager.h 3.19 KB
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/*
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 * Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
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 *
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 * Copyright (C) 2013 Open Education Foundation
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 *
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 * Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
 * l'Education Numérique en Afrique (GIP ENA)
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 *
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 * This file is part of OpenBoard.
 *
 * OpenBoard is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License,
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 * with a specific linking exception for the OpenSSL project's
 * "OpenSSL" library (or with modified versions of it that use the
 * same license as the "OpenSSL" library).
 *
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 * OpenBoard is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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 */

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#ifndef UBDISPLAYMANAGER_H_
#define UBDISPLAYMANAGER_H_

#include <QtGui>

class UBBlackoutWidget;
class UBBoardView;
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class QDesktopWidget;
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class UBDisplayManager : public QObject
{
    Q_OBJECT;

    public:
        UBDisplayManager(QObject *parent = 0);
        virtual ~UBDisplayManager();

        int numScreens();

        int numPreviousViews();

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        void setControlWidget(QWidget* pControlWidget);
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        void setDisplayWidget(QWidget* pDisplayWidget);
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        void setDesktopWidget(QWidget* pControlWidget);
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        void setPreviousDisplaysWidgets(QList<UBBoardView*> pPreviousViews);
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        bool hasControl()
        {
            return mControlScreenIndex > -1;
        }

        bool hasDisplay()
        {
            return mDisplayScreenIndex > -1;
        }

        bool hasPrevious()
        {
            return !mPreviousScreenIndexes.isEmpty();
        }

        enum DisplayRole
        {
            None = 0, Control, Display, Previous1, Previous2, Previous3, Previous4, Previous5
        };

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        bool useMultiScreen() { return mUseMultiScreen; }

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        void setUseMultiScreen(bool pUse);

        int controleScreenIndex()
        {
            return mControlScreenIndex;
        }

        QRect controlGeometry();
        QRect displayGeometry();

   signals:

           void screenLayoutChanged();
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           void adjustDisplayViewsRequired();
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   public slots:

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        void reinitScreens(bool bswap);
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        void adjustScreens(int screen);

        void blackout();

        void unBlackout();

        void setRoleToScreen(DisplayRole role, int screenIndex);

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        void swapDisplayScreens(bool swap);
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    private:

        void positionScreens();

        void initScreenIndexes();

        int mControlScreenIndex;

        int mDisplayScreenIndex;

        QList<int> mPreviousScreenIndexes;

        QDesktopWidget* mDesktop;

        QWidget* mControlWidget;

        QWidget* mDisplayWidget;

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        QWidget *mDesktopWidget;

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        QList<UBBoardView*> mPreviousDisplayWidgets;

        QList<UBBlackoutWidget*> mBlackoutWidgets;

        QList<DisplayRole> mScreenIndexesRoles;

        bool mUseMultiScreen;

};

#endif /* UBDISPLAYMANAGER_H_ */