ViewSplitter.h

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/*
    This file is part of the Konsole Terminal.

    Copyright 2006-2008 Robert Knight <robertknight@gmail.com>

    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; either version 2 of the License, or
    (at your option) any later version.

    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, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301  USA.
*/

#ifndef VIEWSPLITTER_H
#define VIEWSPLITTER_H

// Qt
#include <QtCore/QList>
#include <QSplitter>

class QFocusEvent;

namespace Konsole
{
class ViewContainer;

class ViewSplitter : public QSplitter
{
    Q_OBJECT

public:
    explicit ViewSplitter(QWidget* parent = 0);

    void addContainer(ViewContainer* container , Qt::Orientation orientation);

    void removeContainer(ViewContainer* container);

    ViewSplitter* activeSplitter();

    ViewContainer* activeContainer() const;

    void setActiveContainer(ViewContainer* container);

    QList<ViewContainer*> containers() const {
        return _containers;
    }

    void activateNextContainer();

    void adjustContainerSize(ViewContainer* container , int percentage);

    void activatePreviousContainer();

    void setRecursiveSplitting(bool recursive);

    bool recursiveSplitting() const;

signals:
    void empty(ViewSplitter* splitter);

    void allContainersEmpty();

protected:
    //virtual void focusEvent(QFocusEvent* event);

private:
    // Adds container to splitter's internal list and
    // connects signals and slots
    void registerContainer(ViewContainer* container);
    // Removes container from splitter's internal list and
    // removes signals and slots
    void unregisterContainer(ViewContainer* container);

    void updateSizes();

private slots:
    // Called to indicate that a child ViewContainer has been deleted
    void containerDestroyed(ViewContainer* container);

    // Called to indicate that a child ViewContainer is empty
    void containerEmpty(ViewContainer* container);

    // Called to indicate that a child ViewSplitter is empty
    // (ie. all child widgets have been deleted)
    void childEmpty(ViewSplitter* splitter);

private:
    QList<ViewContainer*> _containers;
    bool _recursiveSplitting;
};
}
#endif //VIEWSPLITTER_H