DockAreaTabBar.h

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#ifndef DockAreaTabBarH
#define DockAreaTabBarH
/*******************************************************************************
** Qt Advanced Docking System
** Copyright (C) 2017 Uwe Kindler
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Lesser General Public
** License as published by the Free Software Foundation; either
** version 2.1 of the License, or (at your option) any later version.
**
** This library 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
** Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public
** License along with this library; If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/


//============================================================================
//============================================================================

//============================================================================
//                                   INCLUDES
//============================================================================
#include <QScrollArea>
#include "ads_globals.h"

namespace ads
{
class CDockAreaWidget;
class CDockWidgetTab;
struct DockAreaTabBarPrivate;
class CDockAreaTitleBar;
class CFloatingDockContainer;
class IFloatingWidget;

class ADS_EXPORT CDockAreaTabBar : public QScrollArea
{
        Q_OBJECT
private:
        DockAreaTabBarPrivate* d; 
        friend struct DockAreaTabBarPrivate;
        friend class CDockAreaTitleBar;

private slots:
        void onTabClicked();
        void onTabCloseRequested();
        void onCloseOtherTabsRequested();
        void onTabWidgetMoved(const QPoint& GlobalPos);

protected:
        virtual void wheelEvent(QWheelEvent* Event) override;


public:
        using Super = QScrollArea;

        CDockAreaTabBar(CDockAreaWidget* parent);

        virtual ~CDockAreaTabBar();

        void insertTab(int Index, CDockWidgetTab* Tab);

        void removeTab(CDockWidgetTab* Tab);

        int count() const;

        int currentIndex() const;

        CDockWidgetTab* currentTab() const;

        CDockWidgetTab* tab(int Index) const;

        virtual bool eventFilter(QObject *watched, QEvent *event) override;

        bool isTabOpen(int Index) const;

        virtual QSize minimumSizeHint() const override;

        virtual QSize sizeHint() const override;

public slots:
        void setCurrentIndex(int Index);

        void closeTab(int Index);

signals:
        void currentChanging(int Index);

        void currentChanged(int Index);

        void tabBarClicked(int index);

        void tabCloseRequested(int index);

        void tabClosed(int index);

        void tabOpened(int index);

        void tabMoved(int from, int to);

        void removingTab(int index);

        void tabInserted(int index);

        void elidedChanged(bool elided);
}; // class CDockAreaTabBar
} // namespace ads
//-----------------------------------------------------------------------------
#endif // DockAreaTabBarH