e614df56d0
* introduce relayout() which does only that * place guards around relayout() calls in Layout class to prevent recursion svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=738923
119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
/*
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* Copyright 2007 by Robert Knight <robertknight@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "freelayout.h"
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#include <KDebug>
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#include <plasma/layouts/layout.h>
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namespace Plasma
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{
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class FreeLayout::Private
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{
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public:
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QList<LayoutItem*> children;
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};
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FreeLayout::FreeLayout(LayoutItem *parent)
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: Layout(parent),
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d(new Private)
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{
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}
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FreeLayout::~FreeLayout()
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{
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delete d;
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}
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Qt::Orientations FreeLayout::expandingDirections() const
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{
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return Qt::Horizontal | Qt::Vertical;
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}
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void FreeLayout::addItem(LayoutItem *item)
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{
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if (d->children.contains(item)) {
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return;
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}
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d->children << item;
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item->setManagingLayout(this);
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}
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void FreeLayout::removeItem(LayoutItem *item)
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{
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d->children.removeAll(item);
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item->unsetManagingLayout(this);
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}
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int FreeLayout::indexOf(LayoutItem *item) const
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{
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return d->children.indexOf(item);
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}
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LayoutItem * FreeLayout::itemAt(int i) const
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{
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return d->children[i];
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}
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int FreeLayout::count() const
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{
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return d->children.count();
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}
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LayoutItem * FreeLayout::takeAt(int i)
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{
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return d->children.takeAt(i);
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}
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void FreeLayout::relayout()
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{
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foreach (LayoutItem *child , d->children) {
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if (child->geometry().size() != child->sizeHint()) {
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child->setGeometry(QRectF(child->geometry().topLeft(), child->sizeHint()));
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}
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}
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}
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QRectF FreeLayout::geometry() const
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{
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if (parent()) {
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return parent()->geometry();
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}
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return QRectF(QPointF(0, 0), maximumSize());
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}
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QSizeF FreeLayout::sizeHint() const
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{
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if (parent()) {
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//kDebug() << "returning size hint from freelayout of" << parent()->geometry().size();
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return parent()->geometry().size();
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}
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//kDebug() << "returning size hint from freelayout of" << maximumSize();
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return maximumSize();
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}
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}
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