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/***************************************************************************
* Copyright (C) 2006 by Peter Penz ([email protected]) *
* *
* 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 of the License, 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 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 DOLPHINICONSVIEW_H
#define DOLPHINICONSVIEW_H
#include <kcategorizedview.h>
#include <kitemcategorizer.h>
#include <QSize>
#include <QStyleOption>
#include <libdolphin_export.h>
class DolphinController;
/**
* @brief Represents the view, where each item is shown as an icon.
*
* It is also possible that instead of the icon a preview of the item
* content is shown.
*/
class LIBDOLPHINPRIVATE_EXPORT DolphinIconsView : public KCategorizedView
{
Q_OBJECT
public:
explicit DolphinIconsView(QWidget* parent, DolphinController* controller);
virtual ~DolphinIconsView();
/** @see QAbstractItemView::visualRect() */
virtual QRect visualRect(const QModelIndex& index) const;
protected:
virtual QStyleOptionViewItem viewOptions() const;
virtual void contextMenuEvent(QContextMenuEvent* event);
virtual void mousePressEvent(QMouseEvent* event);
virtual void dragEnterEvent(QDragEnterEvent* event);
virtual void dragLeaveEvent(QDragLeaveEvent* event);
virtual void dragMoveEvent(QDragMoveEvent* event);
virtual void dropEvent(QDropEvent* event);
virtual void paintEvent(QPaintEvent* event);
private slots:
void slotShowPreviewChanged(bool show);
void slotShowAdditionalInfoChanged(bool show);
void zoomIn();
void zoomOut();
private:
bool isZoomInPossible() const;
bool isZoomOutPossible() const;
/** Returns the increased icon size for the size \a size. */
int increasedIconSize(int size) const;
/** Returns the decreased icon size for the size \a size. */
int decreasedIconSize(int size) const;
/**
* Updates the size of the grid depending on the state
* of \a showPreview and \a showAdditionalInfo.
*/
void updateGridSize(bool showPreview, bool showAdditionalInfo);
private:
DolphinController* m_controller;
QStyleOptionViewItem m_viewOptions;
QSize m_itemSize;
bool m_dragging; // TODO: remove this property when the issue #160611 is solved in Qt 4.4
QRect m_dropRect; // TODO: remove this property when the issue #160611 is solved in Qt 4.4
};
#endif
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