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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 software 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, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "ColorComboBox.h"
#include "BaseIconNames.h"
#include "CustomPixmap.h"
#include "IconEngine.h"
#include "IconSize.h"
#include <QColorDialog>
#include <QPixmap>
#include <QPainter>
//_________________________________________________________
ColorComboBox::ColorComboBox( QWidget* parent ):
QComboBox( parent ),
Counter( "ColorComboBox" )
{
Debug::Throw( "ColorComboBox::ColorComboBox.\n" );
setEditable( false );
connect( this, SIGNAL(activated(int)), SLOT(_updateActiveIndex(int)) );
}
//_________________________________________________________
Base::Color::Set ColorComboBox::colors() const
{
Debug::Throw( "ColorComboBox::colors.\n" );
Base::Color::Set out;
for( int index = 0; index < QComboBox::count(); ++index )
{
const QVariant data( itemData( index ) );
QColor color;
if( data.canConvert<QColor>() ) color = data.value<QColor>();
if( color.isValid() ) out.insert( Base::Color(color) );
}
return out;
}
//_________________________________________________________
QColor ColorComboBox::color() const
{ return itemData( currentIndex() ).value<QColor>(); }
//_________________________________________________________
void ColorComboBox::setColors( const Base::Color::Set& colors )
{
Debug::Throw( "ColorComboBox::addColors.\n" );
// first clear
clear();
// insert new action
insertItem( QComboBox::count(), IconEngine::get( IconNames::Add ), tr( "New" ) );
// insert default action
insertItem( QComboBox::count(), CustomPixmap( IconSize::get( IconSize::Huge ), CustomPixmap::Flag::Transparent ), tr( "Default" ) );
// loop over colors
for( const auto& color:colors )
{ addColor( color ); }
}
//_________________________________________________________
void ColorComboBox::addColor( const QColor& color )
{
Debug::Throw() << "ColorComboBox::addColor - color: " << color.name() << endl;
// create pixmap
QPixmap pixmap = QPixmap( IconSize::get( IconSize::Huge ) );
pixmap.fill( Qt::transparent );
QPainter painter( &pixmap );
painter.setPen( Qt::NoPen );
painter.setRenderHints( QPainter::Antialiasing|QPainter::SmoothPixmapTransform );
QRectF rect( pixmap.rect() );
rect.adjust( 0.5, 0.5, -0.5, -0.5 );
painter.setBrush( color );
painter.setPen( Qt::NoPen );
painter.drawEllipse( rect );
painter.end();
insertItem( QComboBox::count(), pixmap, color.name(), color );
}
//_________________________________________________________
void ColorComboBox::selectColor( const QColor& color )
{
Debug::Throw() << "ColorComboBox::selectColor - color: " << color.name() << endl;
if( !color.isValid() ) setCurrentIndex( 1 );
else {
bool found( false );
for( int index = 2; index < QComboBox::count(); ++index )
{
const QColor local( itemData( index ).value<QColor>() );
if( local == color )
{
setCurrentIndex( index );
found = true;
break;
}
}
if( !found )
{
addColor( color );
setCurrentIndex( QComboBox::count()-1 );
}
}
}
//_________________________________________________________
void ColorComboBox::_updateActiveIndex( int index )
{
Debug::Throw() << "ColorComboBox::_updateActiveIndex - index: " << index << endl;
if( index == 0 )
{
// select a new color
QColor color( QColorDialog::getColor( Qt::white, this ) );
if( color.isValid() )
{
addColor( color );
lastColor_ = color;
selectColor( color );
} else {
selectColor( lastColor_ );
}
}
}
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