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koffice/lib/kopainter/ko_gray_widget.cpp

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/*
* Copyright (c) 1999 Matthias Elter (me@kde.org)
* Copyright (c) 2001-2002 Igor Jansen (rm@kde.org)
*
* 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 "ko_gray_widget.h"
#include <tqlayout.h>
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqspinbox.h>
#include <tqcolor.h>
#include <kdebug.h>
#include <koFrameButton.h>
#include <koColorSlider.h>
#include <kcolordialog.h>
KoGrayWidget::KoGrayWidget(TQWidget *parent, const char *name) : super(parent, name)
{
m_ColorButton = new KDualColorButton(this);
TQ_CHECK_PTR(m_ColorButton);
m_ColorButton -> setFixedSize(m_ColorButton->sizeHint());
TQGridLayout *mGrid = new TQGridLayout(this, 3, 5, 5, 2);
/* setup color sliders */
mSlider = new KoColorSlider(this);
mSlider->setFocusPolicy( TQWidget::ClickFocus );
mSlider->setMaximumHeight(20);
mSlider->slotSetRange(0, 255);
mSlider->slotSetColor1(TQColor(255, 255, 255));
mSlider->slotSetColor2(TQColor(0, 0, 0));
/* setup slider labels */
mLabel = new TQLabel("K:", this);
mLabel->setFixedWidth(12);
mLabel->setFixedHeight(20);
/* setup spin box */
mIn = new TQSpinBox(0, 255, 1, this);
mIn->setFixedWidth(50);
mIn->setFixedHeight(20);
mIn->setFocusPolicy( TQWidget::ClickFocus );
mGrid->addMultiCellWidget(m_ColorButton, 0, 3, 0, 0, TQt::AlignTop);
mGrid->addWidget(mLabel, 0, 1);
mGrid->addMultiCellWidget(mSlider, 0, 0, 2, 3);
mGrid->addWidget(mIn, 0, 4);
connect(m_ColorButton, TQ_SIGNAL(fgChanged(const TQColor &)), this, TQ_SLOT(slotFGColorSelected(const TQColor &)));
connect(m_ColorButton, TQ_SIGNAL(bgChanged(const TQColor &)), this, TQ_SLOT(slotBGColorSelected(const TQColor &)));
/* connect color slider */
connect(mSlider, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
/* connect spin box */
connect(mIn, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
}
void KoGrayWidget::slotChanged(int v)
{
v = 255 - v;
if (m_ColorButton->current() == KDualColorButton::Foreground){
slotFGColorSelected( TQColor( v, v, v));
}
else{
slotBGColorSelected( TQColor( v, v, v));
}
}
void KoGrayWidget::setFgColor(const TQColor & c)
{
blockSignals(true);
slotFGColorSelected(c);
blockSignals(false);
}
void KoGrayWidget::setBgColor(const TQColor & c)
{
blockSignals(true);
slotBGColorSelected(c);
blockSignals(false);
}
void KoGrayWidget::update(const TQColor & fgColor, const TQColor & bgColor)
{
m_fgColor = fgColor;
m_bgColor = bgColor;
TQColor color = (m_ColorButton->current() == KDualColorButton::Foreground)? m_fgColor : m_bgColor;
disconnect(mSlider, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
disconnect(mIn, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
mIn->blockSignals(true);
mSlider->blockSignals(true);
double v = color.red() + color.green() + color.blue();
v /= 3.0;
v = 255.0 - v;
mIn->setValue(static_cast<int>(v));
mSlider->slotSetValue(static_cast<int>(v));
mIn->blockSignals(false);
mSlider->blockSignals(false);
connect(mSlider, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
connect(mIn, TQ_SIGNAL(valueChanged(int)), this, TQ_SLOT(slotChanged(int)));
}
void KoGrayWidget::slotFGColorSelected(const TQColor& c)
{
m_fgColor = c;
disconnect(m_ColorButton, TQ_SIGNAL(fgChanged(const TQColor &)), this, TQ_SLOT(slotFGColorSelected(const TQColor &)));
m_ColorButton->setForeground( m_fgColor );
connect(m_ColorButton, TQ_SIGNAL(fgChanged(const TQColor &)), this, TQ_SLOT(slotFGColorSelected(const TQColor &)));
emit sigFgColorChanged(m_fgColor);
}
void KoGrayWidget::slotBGColorSelected(const TQColor& c)
{
m_bgColor = c;
disconnect(m_ColorButton, TQ_SIGNAL(bgChanged(const TQColor &)), this, TQ_SLOT(slotBGColorSelected(const TQColor &)));
m_ColorButton->setBackground( m_bgColor );
connect(m_ColorButton, TQ_SIGNAL(bgChanged(const TQColor &)), this, TQ_SLOT(slotBGColorSelected(const TQColor &)));
emit sigBgColorChanged(m_bgColor);
}
void KoGrayWidget::currentChanged(KDualColorButton::DualColor s)
{
if(s == KDualColorButton::Foreground)
slotFGColorSelected(m_ColorButton->currentColor());
else
slotBGColorSelected(m_ColorButton->currentColor());
}
#include "ko_gray_widget.moc"