diff options
Diffstat (limited to 'kcontrol/arts/krichtextlabel.cpp')
-rw-r--r-- | kcontrol/arts/krichtextlabel.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/kcontrol/arts/krichtextlabel.cpp b/kcontrol/arts/krichtextlabel.cpp new file mode 100644 index 000000000..7e292cde1 --- /dev/null +++ b/kcontrol/arts/krichtextlabel.cpp @@ -0,0 +1,115 @@ +/* This file is part of the KDE libraries + Copyright (C) 2005 Waldo Bastian <[email protected]> + + 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" |