kwin/popupinfo.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2002 Alexander Kellett <lypanov@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
//#define QT_CLEAN_NAMESPACE
#include "popupinfo.h"
#include <QTextStream>
#include "workspace.h"
#include "client.h"
#include <QPainter>
#include <QLabel>
#include <qdrawutil.h>
#include <QStyle>
#include <kglobal.h>
#include <fixx11h.h>
#include <kconfig.h>
#include <kdebug.h>
#include <klocale.h>
#include <QApplication>
#include <QDesktopWidget>
#include <kstringhandler.h>
#include <kglobalsettings.h>
#include <QX11Info>
#include <QStyleOptionFrame>
// specify externals before namespace
namespace KWin
{
PopupInfo::PopupInfo( Workspace* ws, const char *name )
: QWidget( 0 ), workspace( ws )
{
setObjectName( name );
m_infoString = "";
m_shown = false;
reset();
reconfigure();
m_delayedHideTimer.setSingleShot(true);
connect(&m_delayedHideTimer, SIGNAL(timeout()), this, SLOT(hide()));
QFont f = font();
f.setBold( true );
f.setPointSize( 14 );
setFont( f );
}
PopupInfo::~PopupInfo()
{
}
/*!
Resets the popup info
*/
void PopupInfo::reset()
{
QRect r = workspace->screenGeometry( workspace->activeScreen());
int w = fontMetrics().width( m_infoString ) + 30;
setGeometry(
(r.width()-w)/2 + r.x(), r.height()/2-fontMetrics().height()-10 + r.y(),
w, fontMetrics().height() + 20 );
}
/*!
Paints the popup info
*/
void PopupInfo::paintEvent( QPaintEvent* )
{
QPainter p( this );
QStyleOptionFrame *so = new QStyleOptionFrame;
so->rect = QRect( 0, 0, width(), height() );
so->palette = palette();
so->palette.setCurrentColorGroup( QPalette::Active );
so->state = QStyle::State_None;
style()->drawPrimitive( QStyle::PE_Frame, so, &p );
paintContents();
}
/*!
Paints the contents of the tab popup info box.
Used in paintEvent() and whenever the contents changes.
*/
void PopupInfo::paintContents()
{
QPainter p( this );
QRect r( 6, 6, width()-12, height()-12 );
p.fillRect( r, palette().brush( QPalette::Active, QPalette::Background ) );
/*
p.setPen(Qt::white);
p.drawText( r, AlignCenter, m_infoString );
p.setPen(Qt::black);
r.translate( -1, -1 );
p.drawText( r, AlignCenter, m_infoString );
r.translate( -1, 0 );
*/
p.drawText( r, Qt::AlignCenter, m_infoString );
}
void PopupInfo::hide()
{
m_delayedHideTimer.stop();
QWidget::hide();
QApplication::syncX();
XEvent otherEvent;
while (XCheckTypedEvent (display(), EnterNotify, &otherEvent ) )
;
m_shown = false;
}
void PopupInfo::reconfigure()
{
KSharedConfigPtr c(KGlobal::config());
const KConfigGroup cg = c->group("PopupInfo");
m_show = cg.readEntry("ShowPopup", false );
m_delayTime = cg.readEntry("PopupHideDelay", 350 );
}
void PopupInfo::showInfo(const QString &infoString)
{
if (m_show)
{
m_infoString = infoString;
reset();
if (m_shown)
{
paintContents();
}
else
{
show();
raise();
m_shown = true;
}
m_delayedHideTimer.start(m_delayTime);
}
}
} // namespace
#include "popupinfo.moc"