127 lines
3.3 KiB
C++
127 lines
3.3 KiB
C++
/*
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* Copyright (C) 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 version 2 as
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* published by the Free Software Foundation
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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 "vboxlayout.h"
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#include <QtCore/QList>
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#include <KDebug>
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namespace Plasma
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{
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VBoxLayout::VBoxLayout(LayoutItem *parent)
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: BoxLayout(parent),
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d(0)
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{
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}
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VBoxLayout::~VBoxLayout()
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{
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}
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Qt::Orientations VBoxLayout::expandingDirections() const
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{
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return Qt::Vertical;
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}
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bool VBoxLayout::hasHeightForWidth() const
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{
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return true;
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}
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qreal VBoxLayout::heightForWidth(qreal w) const
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{
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Q_UNUSED(w);
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return qreal();
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}
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void VBoxLayout::setGeometry(const QRectF& geometry)
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{
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if (!geometry.isValid() || geometry.isEmpty()) {
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kDebug() << "Invalid Geometry " << geometry;
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BoxLayout::setGeometry(geometry);
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return;
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}
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kDebug() << this << " Geometry process " << geometry << " for " << children().count() << " children";
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QList<LayoutItem *> fixedChildren;
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QList<LayoutItem *> expandingChildren;
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QList<QSizeF> sizes;
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QSizeF available = geometry.size() - QSizeF(2 * margin(), 2 * margin());
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foreach (LayoutItem *l, children()) {
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kDebug() << "testing layout item " << l;
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if (l->expandingDirections() & Qt::Vertical) {
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expandingChildren.append(l);
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} else {
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fixedChildren.append(l);
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}
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}
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foreach (LayoutItem *l, fixedChildren) {
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QSizeF hint = l->sizeHint();
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sizes.insert(indexOf(l), QSizeF(available.width(), hint.height()));
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available -= QSizeF(0.0, hint.height() + spacing());
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}
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qreal expandHeight = 0;
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if (expandingChildren.count() > 0) {
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expandHeight = (available.height() - ((expandingChildren.count() - 1) * spacing())) / expandingChildren.count();
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}
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foreach (LayoutItem *l, expandingChildren) {
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sizes.insert(indexOf(l),QSizeF(available.width(), expandHeight));
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}
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//QPointF start = geometry.topLeft();
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QPointF start = QPointF(0.0f, 0.0f);
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start += QPointF(margin(), spacing());
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for (int i = 0; i < sizes.size(); i++) {
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LayoutItem *l = itemAt(i);
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kDebug() << "Setting Geometry for child " << l << " to " << QRectF(start, sizes[i]);
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l->setGeometry(QRectF(start, sizes[i]));
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start += QPointF(0.0, sizes[i].height() + spacing());
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}
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BoxLayout::setGeometry(geometry);
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}
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QSizeF VBoxLayout::sizeHint() const
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{
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qreal hintHeight = 0.0;
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qreal hintWidth = 0.0;
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foreach(LayoutItem *l, children()) {
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QSizeF hint = l->sizeHint();
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hintWidth = qMax(hint.width(), hintWidth);
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hintHeight += hint.height() + spacing();
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}
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return QSizeF(hintWidth, hintHeight);
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}
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}
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