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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-04-24
* Description : icon view.
*
* Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2006-2007 by 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 ICONVIEW_H
#define ICONVIEW_H
// TQt includes.
#include <tqscrollview.h>
// Local includes.
#include "digikam_export.h"
class TQPainter;
class TQMouseEvent;
class TQPaintEvent;
class TQDropEvent;
class TQPoint;
namespace Digikam
{
class IconItem;
class IconGroupItem;
class IconViewPriv;
class DIGIKAM_EXPORT IconView : public TQScrollView
{
TQ_OBJECT
public:
IconView(TQWidget* parent=0, const char* name=0);
virtual ~IconView();
IconGroupItem* firstGroup() const;
IconGroupItem* lastGroup() const;
IconGroupItem* findGroup(const TQPoint& pos);
IconItem* firstItem() const;
IconItem* lastItem() const;
IconItem* currentItem() const;
IconItem* findItem(const TQPoint& pos);
void setCurrentItem(IconItem* item);
int count() const;
int countSelected() const;
int groupCount() const;
virtual void clear(bool update=true);
void sort();
void clearSelection();
void selectAll();
void invertSelection();
void selectItem(IconItem* item, bool select);
/** Define the item which is visible after changing an album
(applies both to physical and virtual albums, like tags and date view). */
void setStoredVisibleItem(IconItem *item);
void triggerRearrangement();
void insertGroup(IconGroupItem* group);
void takeGroup(IconGroupItem* group);
void insertItem(IconItem* item);
void takeItem(IconItem* item);
void ensureItemVisible(IconItem *item);
IconItem* findFirstVisibleItem(const TQRect& r, bool useThumbnailRect = true) const;
IconItem* findLastVisibleItem(const TQRect& r, bool useThumbnailRect = true) const;
IconItem* findFirstVisibleItem(bool useThumbnailRect = true) const;
IconItem* findLastVisibleItem(bool useThumbnailRect = true) const;
virtual TQRect itemRect() const;
virtual TQRect bannerRect() const;
TQRect contentsRectToViewport(const TQRect& r) const;
void setEnableToolTips(bool val);
void setDelayedRearrangement(bool delayed);
protected:
virtual void viewportPaintEvent(TQPaintEvent* pe);
virtual void resizeEvent(TQResizeEvent* e);
virtual void contentsMousePressEvent(TQMouseEvent* e);
virtual void contentsMouseMoveEvent(TQMouseEvent* e);
virtual void contentsMouseReleaseEvent(TQMouseEvent* e);
virtual void contentsMouseDoubleClickEvent(TQMouseEvent *e);
virtual void contentsWheelEvent(TQWheelEvent* e);
virtual void leaveEvent(TQEvent *e);
virtual void focusOutEvent(TQFocusEvent* e);
virtual void keyPressEvent(TQKeyEvent* e);
virtual void startDrag();
void drawFrameRaised(TQPainter* p);
void drawFrameSunken(TQPainter* p);
virtual bool acceptToolTip(IconItem* , const TQPoint&);
private:
bool arrangeItems();
void rebuildContainers();
void appendContainer();
void deleteContainers();
void drawRubber(TQPainter* p);
void itemClickedToOpen(IconItem* item);
bool anchorIsBehind() const;
void startRearrangeTimer();
static int cmpItems(const void *n1, const void *n2);
signals:
void signalSelectionChanged();
void signalRightButtonClicked(IconItem* item, const TQPoint& pos);
void signalRightButtonClicked(const TQPoint& pos);
void signalDoubleClicked(IconItem* item);
void signalReturnPressed(IconItem* item);
void signalShowToolTip(IconItem* item);
public slots:
void slotRearrange();
private slots:
void slotToolTip();
private:
IconViewPriv* d;
};
} // namespace Digikam
#endif /* ICONVIEW_H */
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