kde-workspace/plasma/applets/kickoff/ui/itemdelegate.h

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2014-11-13 19:30:51 +02:00
/*
Copyright 2007 Robert Knight <robertknight@gmail.com>
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef ITEMDELEGATE_H
#define ITEMDELEGATE_H
// Qt
#include <QtGui/QAbstractItemDelegate>
//Plasma
#include <Plasma/Delegate>
// Local
#include "core/models.h"
namespace Kickoff
{
/**
* Item delegate for rendering items in the Kickoff launcher's views.
*
* The delegate makes use of the various additional Kickoff item data roles
* to draw the item. For example, if the DiskFreeSpaceRole and DiskUsedSpaceRole item
* data is valid then a bar chart showing the amount of free space available on the disk
* will be drawn.
*/
class ItemDelegate : public Plasma::Delegate , public ItemStateProvider
{
public:
ItemDelegate(QObject *parent = 0);
virtual void paint(QPainter *painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
// reimplemented from ItemStateProvider
virtual bool isVisible(const QModelIndex& index) const;
static const int HEADER_LEFT_MARGIN = 5;
static const int HEADER_TOP_MARGIN = 15;
static const int HEADER_BOTTOM_MARGIN = 4;
static const int HEADER_HEIGHT = 35;
static const int FIRST_HEADER_HEIGHT = 20;
static const int ITEM_LEFT_MARGIN = 12;
static const int ITEM_RIGHT_MARGIN = 7;
static const int TOP_OFFSET = 5;
};
}
#endif // ITEMDELEGATE_H