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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2006-21-12
* Description : digiKam light table preview item.
*
* Copyright (C) 2006-2008 Gilles Caulier <caulier dot gilles at gmail dot 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, 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.
*
* ============================================================ */
#ifndef LIGHTTABLEPREVIEW_H
#define LIGHTTABLEPREVIEW_H
// TQt includes.
#include <tqstring.h>
#include <tqimage.h>
#include <tqsize.h>
// Local includes.
#include "imageinfo.h"
#include "previewwidget.h"
#include "digikam_export.h"
class TQPixmap;
namespace Digikam
{
class DImg;
class LoadingDescription;
class LightTablePreviewPriv;
class DIGIKAM_EXPORT LightTablePreview : public PreviewWidget
{
TQ_OBJECT
public:
LightTablePreview(TQWidget *parent=0);
~LightTablePreview();
void setLoadFullImageSize(bool b);
void setImage(const DImg& image);
DImg& getImage() const;
TQSize getImageSize();
void setImageInfo(ImageInfo* info=0, ImageInfo *previous=0, ImageInfo *next=0);
ImageInfo* getImageInfo() const;
void reload();
void setImagePath(const TQString& path=TQString());
void setPreviousNextPaths(const TQString& previous, const TQString &next);
void setSelected(bool sel);
bool isSelected();
void setDragAndDropEnabled(bool b);
void setDragAndDropMessage();
signals:
void signalDroppedItems(const ImageInfoList&);
void signalDeleteItem(ImageInfo*);
void signalEditItem(ImageInfo*);
void signalPreviewLoaded(bool success);
void signalSlideShow();
protected:
void resizeEvent(TQResizeEvent* e);
void drawFrame(TQPainter *p);
private slots:
void slotGotImagePreview(const LoadingDescription &loadingDescription, const DImg &image);
void slotNextPreload();
void slotContextMenu();
void slotAssignTag(int tagID);
void slotRemoveTag(int tagID);
void slotAssignRating(int rating);
void slotThemeChanged();
void slotCornerButtonPressed();
void slotPanIconSelectionMoved(const TQRect&, bool);
void slotPanIconHiden();
private:
int previewWidth();
int previewHeight();
bool previewIsNull();
void resetPreview();
void zoomFactorChanged(double zoom);
void updateZoomAndSize(bool alwaysFitToWindow);
inline void paintPreview(TQPixmap *pix, int sx, int sy, int sw, int sh);
void contentsDragMoveEvent(TQDragMoveEvent*);
void contentsDropEvent(TQDropEvent*);
private:
LightTablePreviewPriv* d;
};
} // NameSpace Digikam
#endif /* LIGHTTABLEPREVIEW_H */
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