kimagefilepreview.h

/*
 *
 * This file is part of the KDE project.
 * Copyright (C) 2001 Martin R. Jones <mjones@kde.org>
 *               2001 Carsten Pfeiffer <pfeiffer@kde.org>
 *
 * You can Freely distribute this program under the GNU Library General Public
 * License. See the file "COPYING" for the exact licensing terms.
 */
 
#ifndef KIMAGEFILEPREVIEW_H
#define KIMAGEFILEPREVIEW_H
 
#include <tqpixmap.h>
 
#include <kurl.h>
#include <kpreviewwidgetbase.h>
 
class TQCheckBox;
class TQPushButton;
class TQLabel;
class TQTimer;
 
class KFileDialog;
class KFileItem;
namespace TDEIO { class Job; class PreviewJob; }

class TDEIO_EXPORT KImageFilePreview : public KPreviewWidgetBase
{
    TQ_OBJECT
 
    public:
        KImageFilePreview(TQWidget *parent);
        ~KImageFilePreview();
 
        virtual TQSize sizeHint() const;
 
    public slots:
        virtual void showPreview(const KURL &url);
        virtual void clearPreview();
 
    protected slots:
        void showPreview();
        void showPreview( const KURL& url, bool force );
 
        void toggleAuto(bool);
        virtual void gotPreview( const KFileItem*, const TQPixmap& );
 
    protected:
        virtual void resizeEvent(TQResizeEvent *e);
        virtual TDEIO::PreviewJob * createJob( const KURL& url,
                                                     int w, int h );
 
    private slots:
        void slotResult( TDEIO::Job * );
        virtual void slotFailed( const KFileItem* );
 
    private:
        bool autoMode;
        KURL currentURL;
        TQTimer *timer;
        TQLabel *imageLabel;
        TQLabel *infoLabel;
        TQCheckBox *autoPreview;
        TQPushButton *previewButton;
        TDEIO::PreviewJob *m_job;
        protected:
                virtual void virtual_hook( int id, void* data );
        private:
                class KImageFilePreviewPrivate;
                KImageFilePreviewPrivate *d;
};
 
#endif // KIMAGEFILEPREVIEW_H