157 lines
2.9 KiB
C++
157 lines
2.9 KiB
C++
/*
|
|
* Copyright 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; either version 2, or
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
* 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 "layout.h"
|
|
|
|
#include <math.h>
|
|
|
|
#include <QtCore/QList>
|
|
#include <QtCore/QTimeLine>
|
|
#include <QtDebug>
|
|
|
|
#include "widget.h"
|
|
#include "layoutanimator.h"
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
class Layout::Private
|
|
{
|
|
public:
|
|
Private(LayoutItem* parent)
|
|
: margin(12.0),
|
|
spacing(6.0),
|
|
parent(parent),
|
|
animator(0)
|
|
{
|
|
}
|
|
|
|
~Private() {}
|
|
|
|
qreal margin;
|
|
qreal spacing;
|
|
|
|
LayoutItem *parent;
|
|
LayoutAnimator *animator;
|
|
};
|
|
|
|
|
|
Layout::Layout(LayoutItem *parent)
|
|
: LayoutItem(),
|
|
d(new Private(parent))
|
|
{
|
|
}
|
|
|
|
void Layout::setParent(LayoutItem *parent) {
|
|
d->parent = parent;
|
|
}
|
|
|
|
Layout::~Layout()
|
|
{
|
|
if (parent()) {
|
|
parent()->setLayout(0);
|
|
}
|
|
delete d;
|
|
}
|
|
|
|
bool Layout::isEmpty() const
|
|
{
|
|
return count() == 0;
|
|
}
|
|
|
|
void Layout::update()
|
|
{
|
|
|
|
setGeometry(geometry());
|
|
|
|
}
|
|
void Layout::invalidate()
|
|
{
|
|
// find and update the top level layout
|
|
Layout *layout = this;
|
|
Layout *parentLayout = 0;
|
|
|
|
do {
|
|
parentLayout = dynamic_cast<Layout*>(layout->parent());
|
|
if (parentLayout) {
|
|
layout = parentLayout;
|
|
}
|
|
} while (parentLayout);
|
|
|
|
layout->update();
|
|
}
|
|
|
|
|
|
LayoutAnimator* Layout::animator() const
|
|
{
|
|
return d->animator;
|
|
}
|
|
|
|
void Layout::setAnimator(LayoutAnimator *animator)
|
|
{
|
|
d->animator = animator;
|
|
}
|
|
|
|
qreal Layout::margin() const
|
|
{
|
|
return d->margin;
|
|
}
|
|
|
|
void Layout::setMargin(qreal m)
|
|
{
|
|
d->margin = m;
|
|
}
|
|
|
|
qreal Layout::spacing() const
|
|
{
|
|
return d->spacing;
|
|
}
|
|
|
|
void Layout::setSpacing(qreal s)
|
|
{
|
|
d->spacing = s;
|
|
}
|
|
|
|
LayoutItem *Layout::parent() const
|
|
{
|
|
return d->parent;
|
|
}
|
|
|
|
QSizeF Layout::minimumSize() const
|
|
{
|
|
return QSizeF(0,0);
|
|
}
|
|
QSizeF Layout::maximumSize() const
|
|
{
|
|
return QSizeF(INFINITY,INFINITY);
|
|
}
|
|
|
|
void Layout::startAnimation()
|
|
{
|
|
if (animator() && animator()->timeLine()) {
|
|
animator()->timeLine()->setCurrentTime(0);
|
|
if (animator()->timeLine()->state() == QTimeLine::NotRunning) {
|
|
animator()->timeLine()->start();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|