plasma-framework/widgets/vboxlayout.cpp
Aaron J. Seigo ac918ad4bf kdebug fixes
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=695587
2007-08-02 13:12:59 +00:00

127 lines
3.3 KiB
C++

/*
* Copyright (C) 2007 by Matias Valdenegro T. <mvaldenegro@informatica.utem.cl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* 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.
*/
#include "vboxlayout.h"
#include <QtCore/QList>
#include <KDebug>
namespace Plasma
{
VBoxLayout::VBoxLayout(LayoutItem *parent)
: BoxLayout(parent),
d(0)
{
}
VBoxLayout::~VBoxLayout()
{
}
Qt::Orientations VBoxLayout::expandingDirections() const
{
return Qt::Vertical;
}
bool VBoxLayout::hasHeightForWidth() const
{
return true;
}
qreal VBoxLayout::heightForWidth(qreal w) const
{
Q_UNUSED(w);
return qreal();
}
void VBoxLayout::setGeometry(const QRectF& geometry)
{
if (!geometry.isValid() || geometry.isEmpty()) {
kDebug() << "Invalid Geometry " << geometry;
BoxLayout::setGeometry(geometry);
return;
}
kDebug() << this << " Geometry process " << geometry << " for " << children().count() << " children";
QList<LayoutItem *> fixedChildren;
QList<LayoutItem *> expandingChildren;
QList<QSizeF> sizes;
QSizeF available = geometry.size() - QSizeF(2 * margin(), 2 * margin());
foreach (LayoutItem *l, children()) {
kDebug() << "testing layout item " << l;
if (l->expandingDirections() & Qt::Vertical) {
expandingChildren.append(l);
} else {
fixedChildren.append(l);
}
}
foreach (LayoutItem *l, fixedChildren) {
QSizeF hint = l->sizeHint();
sizes.insert(indexOf(l), QSizeF(available.width(), hint.height()));
available -= QSizeF(0.0, hint.height() + spacing());
}
qreal expandHeight = 0;
if (expandingChildren.count() > 0) {
expandHeight = (available.height() - ((expandingChildren.count() - 1) * spacing())) / expandingChildren.count();
}
foreach (LayoutItem *l, expandingChildren) {
sizes.insert(indexOf(l),QSizeF(available.width(), expandHeight));
}
//QPointF start = geometry.topLeft();
QPointF start = QPointF(0.0f, 0.0f);
start += QPointF(margin(), spacing());
for (int i = 0; i < sizes.size(); i++) {
LayoutItem *l = itemAt(i);
kDebug() << "Setting Geometry for child " << l << " to " << QRectF(start, sizes[i]);
l->setGeometry(QRectF(start, sizes[i]));
start += QPointF(0.0, sizes[i].height() + spacing());
}
BoxLayout::setGeometry(geometry);
}
QSizeF VBoxLayout::sizeHint() const
{
qreal hintHeight = 0.0;
qreal hintWidth = 0.0;
foreach(LayoutItem *l, children()) {
QSizeF hint = l->sizeHint();
hintWidth = qMax(hint.width(), hintWidth);
hintHeight += hint.height() + spacing();
}
return QSizeF(hintWidth, hintHeight);
}
}