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/*
* kmail: KDE mail client
* This file: Copyright (C) 2000 Espen Sand, [email protected]
*
* 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <tqpainter.h>
#include <kcolordialog.h>
#include <kcolordrag.h>
#include "colorlistbox.h"
ColorListBox::ColorListBox( TQWidget *parent, const char *name, WFlags f )
:KListBox( parent, name, f ), mCurrentOnDragEnter(-1)
{
connect( this, TQT_SIGNAL(selected(int)), this, TQT_SLOT(newColor(int)) );
setAcceptDrops( true);
}
void ColorListBox::setEnabled( bool state )
{
if( state == isEnabled() )
{
return;
}
TQListBox::setEnabled( state );
for( uint i=0; i<count(); i++ )
{
updateItem( i );
}
}
void ColorListBox::setColor( uint index, const TQColor &color )
{
if( index < count() )
{
ColorListItem *colorItem = (ColorListItem*)item(index);
colorItem->setColor(color);
updateItem( colorItem );
emit changed();
}
}
TQColor ColorListBox::color( uint index ) const
{
if( index < count() )
{
ColorListItem *colorItem = (ColorListItem*)item(index);
return( colorItem->color() );
}
else
{
return( black );
}
}
void ColorListBox::newColor( int index )
{
if( isEnabled() == false )
{
return;
}
if( (uint)index < count() )
{
TQColor c = color( index );
if( KColorDialog::getColor( c, this ) != TQDialog::Rejected )
{
setColor( index, c );
}
}
}
void ColorListBox::dragEnterEvent( TQDragEnterEvent *e )
{
if( KColorDrag::canDecode(e) && isEnabled() )
{
mCurrentOnDragEnter = currentItem();
e->accept( true );
}
else
{
mCurrentOnDragEnter = -1;
e->accept( false );
}
}
void ColorListBox::dragLeaveEvent( TQDragLeaveEvent * )
{
if( mCurrentOnDragEnter != -1 )
{
setCurrentItem( mCurrentOnDragEnter );
mCurrentOnDragEnter = -1;
}
}
void ColorListBox::dragMoveEvent( TQDragMoveEvent *e )
{
if( KColorDrag::canDecode(e) && isEnabled() )
{
ColorListItem *item = (ColorListItem*)itemAt( e->pos() );
if( item != 0 )
{
setCurrentItem ( item );
}
}
}
void ColorListBox::dropEvent( TQDropEvent *e )
{
TQColor color;
if( KColorDrag::decode( e, color ) )
{
int index = currentItem();
if( index != -1 )
{
ColorListItem *colorItem = (ColorListItem*)item(index);
colorItem->setColor(color);
triggerUpdate( false ); // Redraw item
}
mCurrentOnDragEnter = -1;
}
}
ColorListItem::ColorListItem( const TQString &text, const TQColor &color )
: TQListBoxItem(), mColor( color ), mBoxWidth( 30 )
{
setText( text );
}
const TQColor &ColorListItem::color( void )
{
return( mColor );
}
void ColorListItem::setColor( const TQColor &color )
{
mColor = color;
}
void ColorListItem::paint( TQPainter *p )
{
TQFontMetrics fm = p->fontMetrics();
int h = fm.height();
p->drawText( mBoxWidth+3*2, fm.ascent() + fm.leading()/2, text() );
p->setPen( Qt::black );
p->drawRect( 3, 1, mBoxWidth, h-1 );
p->fillRect( 4, 2, mBoxWidth-2, h-3, mColor );
}
int ColorListItem::height(const TQListBox *lb ) const
{
return( lb->fontMetrics().lineSpacing()+1 );
}
int ColorListItem::width(const TQListBox *lb ) const
{
return( mBoxWidth + lb->fontMetrics().width( text() ) + 6 );
}
#include "colorlistbox.moc"
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