groupingcontainment.h

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/*
 *   Copyright 2009-2010 by Giulio Camuffo <giuliocamuffo@gmail.com>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2, 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 Library 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 GROUPINGCONTAINMENT_H
#define GROUPINGCONTAINMENT_H

#include <Plasma/Containment>

#include "groupingcontainment_export.h"

class AbstractGroup;
class GroupingContainmentPrivate;

class PLASMA_GROUPINGCONTAINMENT_EXPORT GroupingContainment: public Plasma::Containment
{
    Q_OBJECT
    Q_PROPERTY(AbstractGroup *mainGroup READ mainGroup WRITE setMainGroup)

    public:
        GroupingContainment(QObject *parent, const QVariantList &args);

        virtual ~GroupingContainment();

        void init();

        QList<QAction *> contextualActions();

        AbstractGroup *addGroup(const QString &plugin, const QPointF &pos = QPointF(0, 0), int id = 0);

        void addGroup(AbstractGroup *group, const QPointF &pos);

        QList<AbstractGroup *> groups() const;

        void setMovingWidget(QGraphicsWidget *widget);

        QGraphicsWidget *movingWidget() const;

        void raise(QGraphicsWidget *widget);

    protected Q_SLOTS:
        virtual void layoutMainGroup();

    protected:
        virtual void constraintsEvent(Plasma::Constraints constraints);

        virtual bool eventFilter(QObject *obj, QEvent *event);

        virtual bool sceneEventFilter(QGraphicsItem *watched, QEvent *event);

        virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);

        virtual void dropEvent(QGraphicsSceneDragDropEvent *event);

        virtual void saveContents(KConfigGroup &group) const;

        virtual void restoreContents(KConfigGroup &group);

        void useMainGroup(const QString &type);

        void setMainGroup(AbstractGroup *group);

        AbstractGroup *mainGroup() const;

    signals:
        void groupAdded(AbstractGroup *group, const QPointF &pos);

        void groupRemoved(AbstractGroup *group);

    private:
        Q_PRIVATE_SLOT(d, void handleDisappeared(Handle *handle))
        Q_PRIVATE_SLOT(d, void onGroupRemoved(AbstractGroup *group))
        Q_PRIVATE_SLOT(d, void onAppletRemoved(Plasma::Applet *applet))
        Q_PRIVATE_SLOT(d, void manageApplet(Plasma::Applet *applet, const QPointF &pos))
        Q_PRIVATE_SLOT(d, void newGroupClicked())
        Q_PRIVATE_SLOT(d, void deleteGroup())
        Q_PRIVATE_SLOT(d, void configureGroup())
        Q_PRIVATE_SLOT(d, void onAppletRemovedFromGroup(Plasma::Applet *applet, AbstractGroup *group))
        Q_PRIVATE_SLOT(d, void onSubGroupRemovedFromGroup(AbstractGroup *subGroup, AbstractGroup *group))
        Q_PRIVATE_SLOT(d, void onWidgetMoved(QGraphicsWidget *widget))
        Q_PRIVATE_SLOT(d, void onImmutabilityChanged(Plasma::ImmutabilityType immutability))
        Q_PRIVATE_SLOT(d, void restoreGroups())
        Q_PRIVATE_SLOT(d, void prepareWidgetToMove())
        Q_PRIVATE_SLOT(d, void widgetMovedAnimationComplete())

        GroupingContainmentPrivate *const d;

        friend class GroupingContainmentPrivate;
};

#endif // GROUPINGCONTAINMENT_H