plasma-framework/private/pulsershadow.cpp
Adenilson Cavalcanti Da Silva 53c47204af Some widgets may use exposedRect of style (e.g. QGraphicsWebView) and would fail
if no value was set (the default is 0,0).

Suggestion by Andre Pedralho <andre.pedralho@openbossa.org>.


svn path=/trunk/KDE/kdelibs/; revision=1063546
2009-12-18 19:30:02 +00:00

74 lines
2.6 KiB
C++

/*********************************************************************/
/* */
/* Copyright(C)2009 Adenilson Cavalcanti adenilson.silva@idnt.org.br */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version 2 */
/* of the License, 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 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 "pulsershadow_p.h"
#include <QPainter>
#include <QImage>
#include <QPixmap>
#include <QStyleOptionGraphicsItem>
namespace Plasma
{
ShadowFake::ShadowFake(QGraphicsItem *parent): QGraphicsWidget(parent),
photo(0)
{ }
ShadowFake::~ShadowFake()
{
delete photo;
}
void ShadowFake::copyTarget(QGraphicsWidget *target)
{
setParentItem(target);
resize(target->size());
setTransformOriginPoint(geometry().center());
QSize size(target->size().toSize());
if (photo)
delete photo;
photo = new QPixmap(size);
photo->fill(Qt::transparent);
QPainter painter(photo);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.fillRect(target->rect(), Qt::transparent);
QStyleOptionGraphicsItem style;
//XXX: some widgets follow exposedRect viewport (e.g. QGraphicsWebView)
style.exposedRect = target->boundingRect();
target->paint(&painter, &style, 0);
painter.end();
}
void ShadowFake::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
Q_UNUSED(widget);
Q_UNUSED(option);
painter->setRenderHint(QPainter::Antialiasing);
painter->drawPixmap(0, 0, *photo);
}
}