UBFloatingPalette.h 3.39 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 UBFLOATINGPALLETTE_H_
#define UBFLOATINGPALLETTE_H_

#include <QWidget>
#include <QPoint>

typedef enum
{
    eMinimizedLocation_None,
    eMinimizedLocation_Left,
    eMinimizedLocation_Top,
    eMinimizedLocation_Right,
    eMinimizedLocation_Bottom
}eMinimizedLocation;

class UBFloatingPalette : public QWidget
{
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    Q_OBJECT
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    public:

        UBFloatingPalette(Qt::Corner = Qt::TopLeftCorner, QWidget *parent = 0);

        virtual void mouseMoveEvent(QMouseEvent *event);
        virtual void mousePressEvent(QMouseEvent *event);
        virtual void mouseReleaseEvent(QMouseEvent *event);

        /**
         * Add another floating palette to the associated palette. All associated palettes will have the same width
         * that is calculated as the minimum width of all associated palettes.
         */
        void addAssociatedPalette(UBFloatingPalette* pOtherPalette);
        void removeAssociatedPalette(UBFloatingPalette* pOtherPalette);

        virtual void adjustSizeAndPosition(bool pUp = true);

        void setCustomPosition(bool pFlag);

        QSize preferredSize();

        void setBackgroundBrush(const QBrush& brush);
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        void setGrip(bool newGrip);

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        void setMinimizePermission(bool permission);

    protected:

        virtual void enterEvent(QEvent *event);
        virtual void showEvent(QShowEvent *event);
        virtual void paintEvent(QPaintEvent *event);

        virtual int radius();
        virtual int border();
        virtual int gripSize();

        QBrush mBackgroundBrush;
        bool mbGrip;
        static const int sLayoutContentMargin = 12;
        static const int sLayoutSpacing = 15;
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        void moveInsideParent(const QPoint &position);
        bool mCustomPosition;
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        bool mIsMoving;
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        virtual int getParentRightOffset();

        eMinimizedLocation minimizedLocation(){return mMinimizedLocation;}
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    private:
        void removeAllAssociatedPalette();
        void minimizePalette(const QPoint& pos);

        QList<UBFloatingPalette*> mAssociatedPalette;
        QPoint mDragPosition;
        bool mCanBeMinimized;
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        eMinimizedLocation mMinimizedLocation;
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        Qt::Corner mDefaultPosition;

    signals:
        void mouseEntered();
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        void minimizeStart(eMinimizedLocation location);
        void maximizeStart();
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        void maximized();
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        void moving();
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};


#endif /* UBFLOATINGPALLETTE_H_ */