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110 lines
2.8 KiB
110 lines
2.8 KiB
15 years ago
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/*
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*
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* $Id: k3brichtextlabel.cpp 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2005 Waldo Bastian <bastian@kde.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3brichtextlabel.h"
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#include <qtooltip.h>
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#include <qstylesheet.h>
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#include <qsimplerichtext.h>
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#include <kglobalsettings.h>
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static QString qrichtextify( const QString& text )
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{
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if ( text.isEmpty() || text[0] == '<' )
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return text;
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QStringList lines = QStringList::split('\n', text);
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for(QStringList::Iterator it = lines.begin(); it != lines.end(); ++it)
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{
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*it = QStyleSheet::convertFromPlainText( *it, QStyleSheetItem::WhiteSpaceNormal );
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}
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return lines.join(QString::null);
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}
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K3bRichTextLabel::K3bRichTextLabel( const QString &text , QWidget *parent, const char *name )
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: QLabel ( parent, name ) {
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m_defaultWidth = QMIN(400, KGlobalSettings::desktopGeometry(this).width()*2/5);
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setAlignment( Qt::WordBreak );
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setText(text);
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}
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K3bRichTextLabel::K3bRichTextLabel( QWidget *parent, const char *name )
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: QLabel ( parent, name ) {
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m_defaultWidth = QMIN(400, KGlobalSettings::desktopGeometry(this).width()*2/5);
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setAlignment( Qt::WordBreak );
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}
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void K3bRichTextLabel::setDefaultWidth(int defaultWidth)
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{
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m_defaultWidth = defaultWidth;
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updateGeometry();
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}
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QSizePolicy K3bRichTextLabel::sizePolicy() const
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{
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return QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Minimum, false);
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}
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QSize K3bRichTextLabel::minimumSizeHint() const
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{
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QString qt_text = qrichtextify( text() );
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int pref_width = 0;
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int pref_height = 0;
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QSimpleRichText rt(qt_text, font());
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pref_width = m_defaultWidth;
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rt.setWidth(pref_width);
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int used_width = rt.widthUsed();
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if (used_width <= pref_width)
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{
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while(true)
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{
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int new_width = (used_width * 9) / 10;
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rt.setWidth(new_width);
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int new_height = rt.height();
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if (new_height > pref_height)
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break;
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used_width = rt.widthUsed();
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if (used_width > new_width)
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break;
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}
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pref_width = used_width;
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}
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else
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{
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if (used_width > (pref_width *2))
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pref_width = pref_width *2;
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else
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pref_width = used_width;
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}
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return QSize(pref_width, rt.height());
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}
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QSize K3bRichTextLabel::sizeHint() const
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{
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return minimumSizeHint();
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}
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void K3bRichTextLabel::setText( const QString &text ) {
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QLabel::setText(text);
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}
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void K3bRichTextLabel::virtual_hook( int, void* )
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{ /*BASE::virtual_hook( id, data );*/ }
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#include "k3brichtextlabel.moc"
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