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>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
//#define QT_CLEAN_NAMESPACE
#include "popupinfo.h"
#include "workspace.h"
#include "client.h"
#include <qpainter.h>
#include <qlabel.h>
#include <qdrawutil.h>
#include <qstyle.h>
#include <kglobal.h>
#include <fixx11h.h>
#include <kconfig.h>
#include <kdebug.h>
#include <klocale.h>
#include <qapplication.h>
#include <qdesktopwidget.h>
#include <qcursor.h>
#include <kstringhandler.h>
#include <kglobalsettings.h>
#include <QX11Info>
#include <QStyleOptionFrame>
// specify externals before namespace
namespace KWinInternal
{
PopupInfo::PopupInfo( const char *name )
: QWidget( 0, 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 = KGlobalSettings::desktopGeometry(QCursor::pos());
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->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, colorGroup().brush( QColorGroup::Background ) );
/*
p.setPen(Qt::white);
p.drawText( r, AlignCenter, m_infoString );
p.setPen(Qt::black);
r.moveBy( -1, -1 );
p.drawText( r, AlignCenter, m_infoString );
r.moveBy( -1, 0 );
*/
p.drawText( r, Qt::AlignCenter, m_infoString );
}
void PopupInfo::hide()
{
m_delayedHideTimer.stop();
QWidget::hide();
QApplication::syncX();
XEvent otherEvent;
while (XCheckTypedEvent (QX11Info::display(), EnterNotify, &otherEvent ) )
;
m_shown = false;
}
void PopupInfo::reconfigure()
{
KConfig * c(KGlobal::config());
c->setGroup("PopupInfo");
m_show = c->readEntry("ShowPopup", false );
m_delayTime = c->readEntry("PopupHideDelay", 350 );
}
void PopupInfo::showInfo(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"