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150 lines
4.0 KiB
150 lines
4.0 KiB
/* This file is part of the KDE project
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Made by Tomislav Lukman (tomislav.lukman@ck.tel.hr)
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Copyright (C) 2002, The Karbon Developers
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/* vcolorslider.cc */
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#include <qlayout.h>
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#include <qlabel.h>
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#include <knuminput.h>
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#include <kselect.h>
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#include "vcolorslider.h"
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VColorSlider::VColorSlider( QWidget* parent, const char* name )
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: QWidget( parent, name )
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{
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init();
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}
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// Label, left color, right color, min, max, value ...
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VColorSlider::VColorSlider( const QString& label, const QColor& col1,
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const QColor& col2, int min, int max, int value, QWidget* parent, const char* name )
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: QWidget( parent, name )
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{
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init();
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setLabel( label );
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setColors( col1, col2 );
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setMinValue( min );
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setMaxValue( max );
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setValue( value );
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}
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VColorSlider::~VColorSlider()
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{
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}
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void VColorSlider::init()
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{
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m_isDragging = false;
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QHBoxLayout *layout = new QHBoxLayout( this, 3 );
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m_label = new QLabel( this );
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m_gradientSelect = new KGradientSelector( KSelector::Horizontal, this );
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m_spinBox = new KIntSpinBox( this );
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layout->addWidget( m_label );
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layout->addWidget( m_gradientSelect, 2 );
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layout->addWidget( m_spinBox );
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setValue( 0 );
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setMinValue( 0 );
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setMaxValue( 255 );
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connect( m_spinBox, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_spinBox( int ) ) );
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connect( m_gradientSelect, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_gradientSelect( int ) ) );
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m_gradientSelect->installEventFilter( this );
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layout->activate();
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}
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void VColorSlider::setLabel( const QString& label )
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{
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m_label->setText( label );
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}
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void VColorSlider::setColors( const QColor& color1, const QColor& color2 )
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{
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m_gradientSelect->setColors( color1, color2 );
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}
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void VColorSlider::setValue( int value )
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{
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m_spinBox->setValue( value );
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m_gradientSelect->setValue( (m_maxValue - value) + m_minValue );
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}
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void VColorSlider::setMinValue( int value )
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{
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m_minValue = value;
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m_spinBox->setMinValue( value );
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m_gradientSelect->setMinValue( value );
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}
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void VColorSlider::setMaxValue( int value )
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{
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m_maxValue = value;
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m_spinBox->setMaxValue( value );
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m_gradientSelect->setMaxValue( value );
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}
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int VColorSlider::value()
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{
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return( m_spinBox->value() );
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}
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void VColorSlider::updateFrom_spinBox( int value )
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{
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if ( value != m_gradientSelect->value() )
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{
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disconnect( m_gradientSelect, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_gradientSelect( int ) ) );
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m_gradientSelect->setValue( (m_maxValue - value) + m_minValue );
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connect( m_gradientSelect, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_gradientSelect( int ) ) );
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emit valueChanged( value );
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}
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}
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void VColorSlider::updateFrom_gradientSelect( int value )
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{
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value = (m_maxValue - value) + m_minValue;
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if ( value != m_spinBox->value() )
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{
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disconnect( m_spinBox, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_spinBox( int ) ) );
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m_spinBox->setValue( value );
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connect( m_spinBox, SIGNAL( valueChanged ( int ) ), this, SLOT( updateFrom_spinBox( int ) ) );
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emit valueChanged( value );
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}
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}
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bool VColorSlider::eventFilter( QObject *obj, QEvent *ev )
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{
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if( obj == m_gradientSelect )
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{
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if ( ev->type() == QEvent::MouseButtonPress )
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m_isDragging = true;
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else if( ev->type() == QEvent::MouseButtonRelease )
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m_isDragging = false;
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}
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return FALSE;
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}
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#include "vcolorslider.moc"
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