plasma-framework/dialog.cpp

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/***************************************************************************
* Copyright (C) 2007 by Alexis Ménard <darktears31@gmail.com> *
* Copyright (C) 2007 Sebastian Kuegler <sebas@kde.org> *
* Copyright (C) 2006 Aaron Seigo <aseigo@kde.org> *
* *
* 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 "dialog.h"
#include <QPainter>
#include <QSvgRenderer>
#include <QResizeEvent>
#include <QMouseEvent>
#ifdef Q_WS_X11
#include <QX11Info>
#endif
#include <QBitmap>
#include <QGraphicsView>
#include <QtGui/QGraphicsSceneEvent>
#include <KDebug>
#include <NETRootInfo>
#include <plasma/panelsvg.h>
#include <plasma/theme.h>
#ifdef Q_WS_X11
#include <X11/Xlib.h>
#endif
namespace Plasma
{
class DialogPrivate
{
public:
/**
* Holds the background SVG, to be re-rendered when the cache is invalidated,
* for example by resizing the dialogue.
*/
Plasma::PanelSvg *background;
Plasma::Dialog *q;
void themeUpdated()
{
const int topHeight = background->marginSize(Plasma::TopMargin);
const int leftWidth = background->marginSize(Plasma::LeftMargin);
const int rightWidth = background->marginSize(Plasma::RightMargin);
const int bottomHeight = background->marginSize(Plasma::BottomMargin);
q->setContentsMargins(leftWidth, topHeight, rightWidth, bottomHeight);
};
};
Dialog::Dialog( QWidget * parent, Qt::WindowFlags f )
: QWidget(parent, f),
d(new DialogPrivate)
{
d->q = this;
d->background = new PanelSvg(this);
d->background->setImagePath("dialogs/background");
d->background->setEnabledBorders(PanelSvg::AllBorders);
d->background->resizePanel(size());
connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(themeUpdated()));
d->themeUpdated();
}
Dialog::~Dialog()
{
delete d;
}
void Dialog::paintEvent(QPaintEvent *e)
{
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing);
p.setClipRect(e->rect());
p.setCompositionMode(QPainter::CompositionMode_Source );
p.fillRect(rect(), Qt::transparent);
d->background->paintPanel(&p, e->rect());
}
void Dialog::resizeEvent(QResizeEvent *e)
{
d->background->resizePanel(e->size());
setMask(d->background->mask());
}
void Dialog::position(QGraphicsSceneEvent *event, const QRectF boundingRect, QPointF scenePos)
{
QWidget *viewWidget = event->widget() ? event->widget()->parentWidget() : 0;
//QPointF scenePos = mapToScene(boundingRect.topLeft());
QGraphicsView *view = qobject_cast<QGraphicsView*>(viewWidget);
position(view,boundingRect,scenePos);
}
void Dialog::position(QGraphicsView * view,const QRectF boundingRect,QPointF scenePos)
{
if (view) {
QPoint viewPos = view->mapFromScene(scenePos);
QPoint globalPos = view->mapToGlobal(viewPos);
if ((globalPos.ry()-height())< 0) {
scenePos = QPointF(scenePos.x() + boundingRect.width(), scenePos.y() + boundingRect.height());
viewPos = view->mapFromScene(scenePos);
globalPos = view->mapToGlobal(viewPos)+QPoint(0,10);
} else {
globalPos.ry() -= (height()+10);
}
if ((globalPos.rx() + width()) > view->width()) {
globalPos.rx()-=((globalPos.rx() + width())-view->width());
}
move(globalPos);
kDebug() << globalPos;
}
}
}
#include "dialog.moc"