Source: kfilepreview.h

# Source: kfilepreview.h |
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    /*  -*- c++ -*-
        This file is part of the KDE libraries
        Copyright (C) 1998 Stephan Kulow
                      1998 Daniel Grana
                      2000 Werner Trobin

        This library 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 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
        Library General Public License for more details.

        You should have received a copy of the GNU Library General Public License
        along with this library; see the file COPYING.LIB.  If not, write to
        the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
        Boston, MA 02111-1307, USA.
    */

    #ifndef _KFILEPREVIEW_H
    #define _KFILEPREVIEW_H

    #include
    #include
    #include
    #include
    #include
    #include

    #include
    #include

    #include
    #include

    #include
    #include
    #include

    /*!
     * This KFileView is an empbedded preview for some file types.
     */
    class KFilePreview : public QSplitter, public KFileView
    {
        Q_OBJECT

    public:
        KFilePreview(QWidget *parent, const char *name);
        KFilePreview(KFileView *view, QWidget *parent, const char *name);
        virtual ~KFilePreview();

        virtual QWidget *widget() { return this; }
        virtual void clearView();

        /**
         * Delets the current view and sets the view to the given @p view.
         * The view is reparented to have this as parent, if necessary.
         */
        void setFileView(KFileView *view);

        /**
         * @returns the current fileview
         */
        KFileView* fileView() const { return left; }

        virtual void updateView( bool );
        virtual void updateView(const KFileItem*);
        virtual void removeItem(const KFileItem*);
        virtual void listingCompleted();

        virtual void setSelectionMode( KFile::SelectionMode sm );

        virtual void setSelected(const KFileItem *, bool);
        virtual bool isSelected( const KFileItem * ) const;
        virtual void clearSelection();
        virtual void selectAll();
        virtual void invertSelection();

        virtual void insertItem(KFileItem *);
        virtual void clear();

        virtual void setCurrentItem( const KFileItem * );
        virtual KFileItem * currentFileItem() const;
        virtual KFileItem * firstFileItem() const;
        virtual KFileItem * nextItem( const KFileItem * ) const;
        virtual KFileItem * prevItem( const KFileItem * ) const;

        virtual void setSorting( QDir::SortSpec sort );

        virtual void readConfig( KConfig *, const QString& group = QString::null );
        virtual void writeConfig( KConfig *, const QString& group = QString::null);

        /**
         * This overrides KFileView::actionCollection() by returning
         * the actionCollection() of the KFileView (member left) it contains.
         * This means that KFilePreview will never create a KActionCollection
         * object of its own.
         */
        virtual KActionCollection * actionCollection() const;

        void ensureItemVisible(const KFileItem *);

        void setPreviewWidget(const QWidget *w, const KURL &u);

    protected slots:
        virtual void slotHighlighted( const KFileItem * );

    signals:
        void showPreview(const KURL &);
        void clearPreview();

    private:
        void init( KFileView *view );

        KFileView *left;
        QWidget *preview;
        QString viewname;

    protected:
        /// @internal
        virtual void virtual_hook( int id, void* data );
    private:
        class KFilePreviewPrivate;
        KFilePreviewPrivate *d;
    };
    #endif

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