143 lines
2.8 KiB
C++
143 lines
2.8 KiB
C++
/*
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* Copyright 2007 by Matias Valdenegro T. <mvaldenegro@informatica.utem.cl>
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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 "layoutitem.h"
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#include <KDebug>
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#include "layout.h"
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namespace Plasma
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{
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class LayoutItem::Private
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{
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public:
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Private()
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: layout(0),
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managingLayout(0)
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{
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}
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~Private() {}
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Layout* layout;
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Layout* managingLayout;
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};
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LayoutItem::LayoutItem()
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: d(new Private())
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{
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}
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LayoutItem::~LayoutItem()
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{
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if (d->managingLayout) {
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d->managingLayout->removeItem(this);
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}
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delete d->layout;
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delete d;
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}
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QGraphicsItem* LayoutItem::graphicsItem()
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{
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return 0;
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}
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bool LayoutItem::hasHeightForWidth() const
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{
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return false;
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}
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qreal LayoutItem::heightForWidth(qreal w) const
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{
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return 0.0;
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}
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bool LayoutItem::hasWidthForHeight() const
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{
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return false;
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}
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qreal LayoutItem::widthForHeight(qreal h) const
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{
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return 0.0;
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}
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void LayoutItem::setLayout(Layout* layout)
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{
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if (d->layout && layout) {
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kDebug() << "already have a layout.";
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return;
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}
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if (layout) {
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layout->setParent(this);
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} else if (d->layout) {
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// FIXME: we had a layout, but now it has been removed
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// and we are without layout; we should tell our
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// children about this, but LayoutItem doesn't know
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// about children =/
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kDebug() << "layout removed from under us. expect crashes";
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}
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d->layout = layout;
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}
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Layout* LayoutItem::layout() const
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{
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return d->layout;
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}
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void LayoutItem::setManagingLayout(Layout* layout)
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{
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if (layout == d->managingLayout) {
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return;
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}
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if (d->managingLayout) {
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d->managingLayout->removeItem(this);
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}
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d->managingLayout = layout;
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managingLayoutChanged();
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}
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void LayoutItem::unsetManagingLayout(Layout* layout)
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{
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if (d->managingLayout == layout) {
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d->managingLayout = 0;
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}
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managingLayoutChanged();
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}
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void LayoutItem::managingLayoutChanged()
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{
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}
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Layout* LayoutItem::managingLayout() const
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{
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return d->managingLayout;
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}
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}
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