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/* This file is part of the KDE project
Made by Tomislav Lukman (tomislav.lukman@ck.tel.hr)
Copyright (C) 2002, The Karbon Developers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/* vcolorslider.cpp */
#include <tqlayout.h>
#include <tqlabel.h>
#include <knuminput.h>
#include <tdeselect.h>
#include "vcolorslider.h"
VColorSlider::VColorSlider( TQWidget* parent, const char* name )
: TQWidget( parent, name )
{
init();
}
// Label, left color, right color, min, max, value ...
VColorSlider::VColorSlider( const TQString& label, const TQColor& col1,
const TQColor& col2, int min, int max, int value, TQWidget* parent, const char* name )
: TQWidget( parent, name )
{
init();
setLabel( label );
setColors( col1, col2 );
setMinValue( min );
setMaxValue( max );
setValue( value );
}
VColorSlider::~VColorSlider()
{
}
void VColorSlider::init()
{
m_isDragging = false;
TQHBoxLayout *layout = new TQHBoxLayout( this, 3 );
m_label = new TQLabel( this );
m_gradientSelect = new KGradientSelector( Qt::Horizontal, this );
m_spinBox = new KIntSpinBox( this );
layout->addWidget( m_label );
layout->addWidget( m_gradientSelect, 2 );
layout->addWidget( m_spinBox );
setValue( 0 );
setMinValue( 0 );
setMaxValue( 255 );
connect( m_spinBox, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_spinBox( int ) ) );
connect( m_gradientSelect, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_gradientSelect( int ) ) );
m_gradientSelect->installEventFilter( this );
layout->activate();
}
void VColorSlider::setLabel( const TQString& label )
{
m_label->setText( label );
}
void VColorSlider::setColors( const TQColor& color1, const TQColor& color2 )
{
m_gradientSelect->setColors( color1, color2 );
}
void VColorSlider::setValue( int value )
{
m_spinBox->setValue( value );
m_gradientSelect->setValue( (m_maxValue - value) + m_minValue );
}
void VColorSlider::setMinValue( int value )
{
m_minValue = value;
m_spinBox->setMinValue( value );
m_gradientSelect->setMinValue( value );
}
void VColorSlider::setMaxValue( int value )
{
m_maxValue = value;
m_spinBox->setMaxValue( value );
m_gradientSelect->setMaxValue( value );
}
int VColorSlider::value()
{
return( m_spinBox->value() );
}
void VColorSlider::updateFrom_spinBox( int value )
{
if ( value != m_gradientSelect->value() )
{
disconnect( m_gradientSelect, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_gradientSelect( int ) ) );
m_gradientSelect->setValue( (m_maxValue - value) + m_minValue );
connect( m_gradientSelect, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_gradientSelect( int ) ) );
emit valueChanged( value );
}
}
void VColorSlider::updateFrom_gradientSelect( int value )
{
value = (m_maxValue - value) + m_minValue;
if ( value != m_spinBox->value() )
{
disconnect( m_spinBox, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_spinBox( int ) ) );
m_spinBox->setValue( value );
connect( m_spinBox, TQT_SIGNAL( valueChanged ( int ) ), this, TQT_SLOT( updateFrom_spinBox( int ) ) );
emit valueChanged( value );
}
}
bool VColorSlider::eventFilter( TQObject *obj, TQEvent *ev )
{
if( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(m_gradientSelect) )
{
if ( ev->type() == TQEvent::MouseButtonPress )
m_isDragging = true;
else if( ev->type() == TQEvent::MouseButtonRelease )
m_isDragging = false;
}
return FALSE;
}
#include "vcolorslider.moc"
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