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tdeedu/kalzium/src/eqresult.cpp

129 lines
3.8 KiB

/***************************************************************************
* Copyright (C) 2004, 2005 by Thomas Nagy *
* tnagy2^8@yahoo.fr *
* *
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tqtimer.h>
#include <tqpainter.h>
#include <tqcolor.h>
#include <kdebug.h>
#include "eqresult.h"
// inspired by speedcrunch
QuestionItem::QuestionItem( TQListBox* listBox, const TQString& e, TQColor bg ):
TQListBoxItem ( listBox )
{
m_msg = e;
m_bgcolor = bg;
}
AnswerItem::AnswerItem( TQListBox* listBox, const TQString& e, const TQString &r, TQColor bg ):
TQListBoxItem ( listBox )
{
m_msg = "<p align=\"right\">"+r+"</p>";
m_origmsg = e;
m_bgcolor = bg;
m_richtext = new TQSimpleRichText(m_msg, listBox->font());
m_richtext->setWidth( listBox->width() );
}
void QuestionItem::paint( TQPainter* painter )
{
int tf = TQt::NoAccel | TQt::SingleLine | TQt::AlignVCenter;
TQRect r ( 0, 0, listBox()->contentsWidth(), height( listBox() ) );
painter->fillRect( r, m_bgcolor );
painter->drawText( r, tf, m_msg );
}
void AnswerItem::paint( TQPainter* painter )
{
checkSize();
TQRect r ( 0, 0, listBox()->contentsWidth(), height( listBox() ) );
painter->fillRect( r, m_bgcolor );
TQColorGroup cg = listBox()->colorGroup();
cg.setColor( TQColorGroup::Background, m_bgcolor );
m_richtext->draw(painter, 0, 0, r, cg );
}
int QuestionItem::width( const TQListBox*lb ) const
{
TQFont font = lb->font();
return TQFontMetrics( font ).width( m_msg );
}
int QuestionItem::height( const TQListBox*lb ) const
{
TQFont font = lb->font();
return TQFontMetrics( font ).height() + 4;
}
void AnswerItem::checkSize()
{
TQFont font = listBox()->font();
int t1 = TQFontMetrics( font ).width( m_origmsg+"padding" );
int t2 = listBox()->width() - 20;
// take the maximum
m_richtext->setWidth( (t1>t2)?t1:t2 );
}
EqResult::EqResult(TQWidget *parent) : TQListBox(parent)
{
m_alternate_color = false;
setMinimumWidth(140);
}
EqResult::~EqResult()
{
}
void EqResult::add(const TQString & question, const TQString & answer)
{
TQColor bgcolor = colorGroup().base();
if ( m_alternate_color )
bgcolor = bgcolor.dark( 120 );
m_alternate_color = !m_alternate_color;
new QuestionItem( this, question, bgcolor );
new AnswerItem( this, question, answer, bgcolor );
TQTimer::singleShot( 100, this, TQT_SLOT( scrollToEnd() ) );
}
void EqResult::scrollToEnd()
{
ensureVisible( 0, contentsHeight()-1 );
}
void EqResult::resizeEvent( TQResizeEvent* )
{
triggerUpdate( true );
}
#include "eqresult.moc"