plasma-framework/widgets/vboxlayout.cpp
Aaron J. Seigo f82a4cfb55 separate out the stuff the hbox will need from vbox and put it into box.
sprinkle "layout" and some capital letters throughout the above if the above sounds random to you ;)

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=692578
2007-07-25 22:20:15 +00:00

122 lines
3.1 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 << endl;
return;
}
kDebug() << this << " Geometry process " << geometry << " for " << children().count() << " childrens"<< endl;
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 << endl;
if (l->expandingDirections() & Qt::Vertical) {
expandingChildren += l;
} else {
fixedChildren += 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 = (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]) << endl;
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);
}
}