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/***************************************************************************
* Copyright (C) 2000 Ronny Standtke <Ronny.Standtke@gmx.de> *
* (C) 2005 Gábor Lehel <illissius@gmail.com> *
* *
* 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. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "squeezedtextlabel.h"
#include <tqsimplerichtext.h>
#include <tqwindowdefs.h> //TQCOORD_MAX
#include <tqtooltip.h>
#include <kdebug.h>
namespace KDE {
SqueezedTextLabel::SqueezedTextLabel( const TQString &text , TQWidget *parent, const char *name )
: TQLabel ( parent, name ) {
setSizePolicy(TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ));
fullText = text;
squeezeTextToLabel();
}
SqueezedTextLabel::SqueezedTextLabel( TQWidget *parent, const char *name )
: TQLabel ( parent, name ) {
setSizePolicy(TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ));
}
void SqueezedTextLabel::resizeEvent( TQResizeEvent * ) {
squeezeTextToLabel();
}
TQSize SqueezedTextLabel::minimumSizeHint() const
{
TQSize sh = TQLabel::minimumSizeHint();
sh.setWidth(-1);
return sh;
}
TQSize SqueezedTextLabel::sizeHint() const
{
return TQSize(contentsRect().width(), TQLabel::sizeHint().height());
}
void SqueezedTextLabel::setText( const TQString &text ) {
fullText = text;
squeezeTextToLabel();
}
//TQSimpleRichText suck
//in more detail, we only want the widthUsed(), which doesn't normally work, see below
class MySimpleRichText: public TQSimpleRichText
{
public:
MySimpleRichText( const TQString &text, const TQFont &font )
: TQSimpleRichText( text, font )
{
setWidth( TQCOORD_MAX ); //by default it's like 150-something, always. wtf?
}
};
void SqueezedTextLabel::squeezeTextToLabel()
{
if( MySimpleRichText( fullText, font() ).widthUsed() > width() )
{
TQString text;
const int w = width() - fontMetrics().width( "..." );
if( w < 0 )
{
text = "..";
while( fontMetrics().width( text ) > width() && !text.isEmpty() )
text.remove( text.length() - 1, 1);
}
else
{
text = fullText;
do
{
int pos = text.length() - 1;
bool breakagain = false; //isn't there a better way to handle this?
while( text[pos] == '>' ) //don't remove parts of <tags>, it's not nice
{
const int lpos = pos;
while( text[pos] != '<' && pos >= 0 )
--pos;
if( pos == 0 ) //text is only tags
{
breakagain = true;
break;
}
else
--pos;
if( pos < 0 ) //didn't find an opening <
{
pos = lpos;
break;
}
}
if( breakagain )
break;
text.remove( pos, 1 ); //paranoia
} while( MySimpleRichText( text, font() ).widthUsed() > w && !text.isEmpty() );
text += "...";
}
TQLabel::setText( text );
TQToolTip::remove( this );
TQToolTip::add( this, fullText );
}
else
{
TQLabel::setText( fullText );
TQToolTip::remove( this );
TQToolTip::hide();
}
}
void SqueezedTextLabel::setAlignment( int alignment )
{
// save fullText and restore it
TQString tmpFull(fullText);
TQLabel::setAlignment(alignment);
fullText = tmpFull;
}
}
#include "squeezedtextlabel.moc"
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