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/* This file is part of the KDE libraries
Copyright (C) 2005 Waldo Bastian <bastian@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "krichtextlabel.h"
#include <qtooltip.h>
#include <qstylesheet.h>
#include <qsimplerichtext.h>
#include <kglobalsettings.h>
static QString qrichtextify( const QString& text )
{
if ( text.isEmpty() || text[0] == '<' )
return text;
QStringList lines = QStringList::split('\n', text);
for(QStringList::Iterator it = lines.begin(); it != lines.end(); ++it)
{
*it = QStyleSheet::convertFromPlainText( *it, QStyleSheetItem::WhiteSpaceNormal );
}
return lines.join(QString::null);
}
KRichTextLabel::KRichTextLabel( const QString &text , QWidget *parent, const char *name )
: QLabel ( parent, name ) {
m_defaultWidth = QMIN(500, KGlobalSettings::desktopGeometry(this).width()*3/5);
setAlignment( Qt::WordBreak );
setText(text);
}
KRichTextLabel::KRichTextLabel( QWidget *parent, const char *name )
: QLabel ( parent, name ) {
m_defaultWidth = QMIN(500, KGlobalSettings::desktopGeometry(this).width()*3/5);
setAlignment( Qt::WordBreak );
}
void KRichTextLabel::setDefaultWidth(int defaultWidth)
{
m_defaultWidth = defaultWidth;
updateGeometry();
}
QSizePolicy KRichTextLabel::sizePolicy() const
{
return QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum, false);
}
QSize KRichTextLabel::minimumSizeHint() const
{
QString qt_text = qrichtextify( text() );
int pref_width = 0;
int pref_height = 0;
QSimpleRichText rt(qt_text, font());
pref_width = m_defaultWidth;
rt.setWidth(pref_width);
int used_width = rt.widthUsed();
if (used_width <= pref_width)
{
while(true)
{
int new_width = (used_width * 9) / 10;
rt.setWidth(new_width);
int new_height = rt.height();
if (new_height > pref_height)
break;
used_width = rt.widthUsed();
if (used_width > new_width)
break;
}
pref_width = used_width;
}
else
{
if (used_width > (pref_width *2))
pref_width = pref_width *2;
else
pref_width = used_width;
}
return QSize(pref_width, rt.height());
}
QSize KRichTextLabel::sizeHint() const
{
return minimumSizeHint();
}
void KRichTextLabel::setText( const QString &text ) {
if (!text.startsWith("<qt>"))
QLabel::setText("<qt>"+text+"</qt>");
else
QLabel::setText(text);
}
void KRichTextLabel::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
#include "krichtextlabel.moc"
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