plasma-framework/layouts/freelayout.h
Aaron J. Seigo 9335a50776 Ensure that LayoutItem::setParent resets the parents layout if we are currently its layout and release managed items.
RB:89

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=773471
2008-02-11 05:50:47 +00:00

73 lines
2.1 KiB
C++

/*
* Copyright 2007 by Robert Knight <robertknight@gmail.com>
*
* This program 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, 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 Library 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 PLASMA_FREE_LAYOUT_H
#define PLASMA_FREE_LAYOUT_H
#include <QtCore/QList>
#include <plasma/plasma_export.h>
#include <plasma/layouts/layout.h>
namespace Plasma
{
/**
* The FreeLayout class is a layout for use in desktop-like workspaces where
* items can be moved around freely and applets and widgets are allowed
* to determine their own size.
*
* Whenever this layout is updated, all child items are resized to
* their sizeHint() and left in their existing positions.
*/
class PLASMA_EXPORT FreeLayout : public Layout
{
public:
/**
* Creates a new free layout
*/
explicit FreeLayout(LayoutItem *parent = 0);
~FreeLayout();
// reimplemented from Layout
virtual void addItem(LayoutItem *l);
virtual void removeItem(LayoutItem *l);
virtual int indexOf(LayoutItem *l) const;
virtual LayoutItem *itemAt(int i) const;
virtual LayoutItem *takeAt(int i);
virtual Qt::Orientations expandingDirections() const;
virtual QRectF geometry() const;
virtual int count() const;
virtual QSizeF sizeHint() const;
protected:
void relayout();
void releaseManagedItems();
private:
class Private;
Private *const d;
};
}
#endif /* PLASMA_FREE_LAYOUT_H */