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/*
*
* $Id: kcutlabel.cpp 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.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.
* See the file "COPYING" for the exact licensing terms.
*/
#include "kcutlabel.h"
#include <k3bstringutils.h>
#include <qtooltip.h>
#include <qstringlist.h>
#include <kdebug.h>
KCutLabel::KCutLabel( const QString &text , QWidget *parent, const char *name )
: QLabel ( parent, name ),
m_minChars(1) {
QSizePolicy myLabelSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
setSizePolicy(myLabelSizePolicy);
m_fullText = text;
cutTextToLabel();
}
KCutLabel::KCutLabel( QWidget *parent, const char *name )
: QLabel ( parent, name ),
m_minChars(1) {
QSizePolicy myLabelSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed );
setSizePolicy(myLabelSizePolicy);
}
QSize KCutLabel::minimumSizeHint() const
{
QSize sh = QLabel::minimumSizeHint();
if( m_minChars == 0 )
sh.setWidth(-1);
else if( m_minChars < (int)m_fullText.length() )
sh.setWidth( QMIN( fontMetrics().width( m_fullText.left(m_minChars) + "..." ),
fontMetrics().width( m_fullText ) ) );
return sh;
}
void KCutLabel::setMinimumVisibleText( int i )
{
m_minChars = i;
cutTextToLabel();
}
void KCutLabel::resizeEvent( QResizeEvent * )
{
cutTextToLabel();
}
void KCutLabel::setText( const QString &text )
{
m_fullText = text;
cutTextToLabel();
}
const QString& KCutLabel::fullText() const
{
return m_fullText;
}
void KCutLabel::cutTextToLabel()
{
QToolTip::remove( this );
QToolTip::hide();
if( m_fullText.contains( "\n" ) ) {
QString newText;
QStringList lines = QStringList::split( "\n", m_fullText );
for( QStringList::Iterator it = lines.begin(); it != lines.end(); ++it ) {
QString squeezedText = K3b::cutToWidth( fontMetrics(),
*it,
QMAX( size().width(),
QMIN( fontMetrics().width( m_fullText.left(m_minChars) + "..." ),
fontMetrics().width( m_fullText ) ) ) );
newText += squeezedText;
newText += "\n";
if( squeezedText != *it )
QToolTip::add( this, m_fullText );
}
newText.truncate( newText.length() - 1 ); // get rid of the last newline
QLabel::setText( newText );
}
else {
QString squeezedText = K3b::cutToWidth( fontMetrics(),
m_fullText,
QMAX( size().width(),
QMIN( fontMetrics().width( m_fullText.left(m_minChars) + "..." ),
fontMetrics().width( m_fullText ) ) ) );
QLabel::setText( squeezedText );
if( squeezedText != m_fullText )
QToolTip::add( this, m_fullText );
}
}
#include "kcutlabel.moc"
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