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koffice/lib/kopainter/ko_gray_widget.cc

158 lines
4.9 KiB

/*
* 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 <qlayout.h>
#include <qhbox.h>
#include <qlabel.h>
#include <qspinbox.h>
#include <qcolor.h>
#include <kdebug.h>
#include <koFrameButton.h>
#include <koColorSlider.h>
#include <kcolordialog.h>
KoGrayWidget::KoGrayWidget(QWidget *parent, const char *name) : super(parent, name)
{
m_ColorButton = new KDualColorButton(this);
Q_CHECK_PTR(m_ColorButton);
m_ColorButton -> setFixedSize(m_ColorButton->sizeHint());
QGridLayout *mGrid = new QGridLayout(this, 3, 5, 5, 2);
/* setup color sliders */
mSlider = new KoColorSlider(this);
mSlider->setFocusPolicy( QWidget::ClickFocus );
mSlider->setMaximumHeight(20);
mSlider->slotSetRange(0, 255);
mSlider->slotSetColor1(QColor(255, 255, 255));
mSlider->slotSetColor2(QColor(0, 0, 0));
/* setup slider labels */
mLabel = new QLabel("K:", this);
mLabel->setFixedWidth(12);
mLabel->setFixedHeight(20);
/* setup spin box */
mIn = new QSpinBox(0, 255, 1, this);
mIn->setFixedWidth(50);
mIn->setFixedHeight(20);
mIn->setFocusPolicy( QWidget::ClickFocus );
mGrid->addMultiCellWidget(m_ColorButton, 0, 3, 0, 0, Qt::AlignTop);
mGrid->addWidget(mLabel, 0, 1);
mGrid->addMultiCellWidget(mSlider, 0, 0, 2, 3);
mGrid->addWidget(mIn, 0, 4);
connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
/* connect color slider */
connect(mSlider, SIGNAL(valueChanged(int)), this, SLOT(slotChanged(int)));
/* connect spin box */
connect(mIn, SIGNAL(valueChanged(int)), this, SLOT(slotChanged(int)));
}
void KoGrayWidget::slotChanged(int v)
{
v = 255 - v;
if (m_ColorButton->current() == KDualColorButton::Foreground){
slotFGColorSelected( QColor( v, v, v));
}
else{
slotBGColorSelected( QColor( v, v, v));
}
}
void KoGrayWidget::setFgColor(const QColor & c)
{
blockSignals(true);
slotFGColorSelected(c);
blockSignals(false);
}
void KoGrayWidget::setBgColor(const QColor & c)
{
blockSignals(true);
slotBGColorSelected(c);
blockSignals(false);
}
void KoGrayWidget::update(const QColor & fgColor, const QColor & bgColor)
{
m_fgColor = fgColor;
m_bgColor = bgColor;
QColor color = (m_ColorButton->current() == KDualColorButton::Foreground)? m_fgColor : m_bgColor;
disconnect(mSlider, SIGNAL(valueChanged(int)), this, SLOT(slotChanged(int)));
disconnect(mIn, SIGNAL(valueChanged(int)), this, 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, SIGNAL(valueChanged(int)), this, SLOT(slotChanged(int)));
connect(mIn, SIGNAL(valueChanged(int)), this, SLOT(slotChanged(int)));
}
void KoGrayWidget::slotFGColorSelected(const QColor& c)
{
m_fgColor = c;
disconnect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
m_ColorButton->setForeground( m_fgColor );
connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
emit sigFgColorChanged(m_fgColor);
}
void KoGrayWidget::slotBGColorSelected(const QColor& c)
{
m_bgColor = c;
disconnect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
m_ColorButton->setBackground( m_bgColor );
connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
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"