ksqueezedtextlabel.cpp

00001 /* This file is part of the KDE libraries
00002  Copyright (C) 2000 Ronny Standtke <Ronny.Standtke@gmx.de>
00003 
00004  This library is free software; you can redistribute it and/or
00005  modify it under the terms of the GNU Library General Public
00006  License version 2 as published by the Free Software Foundation.
00007 
00008  This library is distributed in the hope that it will be useful,
00009  but WITHOUT ANY WARRANTY; without even the implied warranty of
00010  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00011  Library General Public License for more details.
00012 
00013  You should have received a copy of the GNU Library General Public License
00014  along with this library; see the file COPYING.LIB. If not, write to
00015  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016  Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "ksqueezedtextlabel.h"
00020 #include "kstringhandler.h"
00021 #include <qtooltip.h>
00022 
00023 KSqueezedTextLabel::KSqueezedTextLabel( const QString &text , QWidget *parent, const char *name )
00024 : QLabel ( parent, name ) {
00025 setSizePolicy(QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ));
00026 fullText = text;
00027 squeezeTextToLabel();
00028 }
00029 
00030 KSqueezedTextLabel::KSqueezedTextLabel( QWidget *parent, const char *name )
00031 : QLabel ( parent, name ) {
00032 setSizePolicy(QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ));
00033 }
00034 
00035 void KSqueezedTextLabel::resizeEvent( QResizeEvent * ) {
00036 squeezeTextToLabel();
00037 }
00038 
00039 QSize KSqueezedTextLabel::minimumSizeHint() const
00040 {
00041 QSize sh = QLabel::minimumSizeHint();
00042 sh.setWidth(-1);
00043 return sh;
00044 }
00045 
00046 QSize KSqueezedTextLabel::sizeHint() const
00047 {
00048 return QSize(contentsRect().width(), QLabel::sizeHint().height());
00049 }
00050 
00051 void KSqueezedTextLabel::setText( const QString &text ) {
00052 fullText = text;
00053 squeezeTextToLabel();
00054 }
00055 
00056 void KSqueezedTextLabel::squeezeTextToLabel() {
00057 QFontMetrics fm(fontMetrics());
00058 int labelWidth = size().width();
00059 int textWidth = fm.width(fullText);
00060 if (textWidth > labelWidth) {
00061 QString squeezedText = KStringHandler::cPixelSqueeze(fullText, fm, labelWidth);
00062 QLabel::setText(squeezedText);
00063 
00064 QToolTip::remove( this );
00065 QToolTip::add( this, fullText );
00066 
00067 } else {
00068 QLabel::setText(fullText);
00069 
00070 QToolTip::remove( this );
00071 QToolTip::hide();
00072 
00073 }
00074 }
00075 
00076 void KSqueezedTextLabel::setAlignment( int alignment )
00077 {
00078 // save fullText and restore it
00079 QString tmpFull(fullText);
00080 QLabel::setAlignment(alignment);
00081 fullText = tmpFull;
00082 }
00083 
00084 void KSqueezedTextLabel::virtual_hook( int, void* )
00085 { /*BASE::virtual_hook( id, data );*/ }
00086 
00087 #include "ksqueezedtextlabel.moc"