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/*
kiconedit - a small graphics drawing program for the KDE
Copyright ( C ) 1998 Thomas Tanghus ( tanghus@kde.org )
Copyright ( C ) 2002 Nadeem Hasan ( nhasan@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 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.
*/
#include <qlabel.h>
#include <qlayout.h>
#include <qwhatsthis.h>
#include <qpainter.h>
#include <klocale.h>
#include <kdebug.h>
#include "kiconcolors.h"
#include "palettetoolbar.h"
PaletteToolBar::PaletteToolBar( QWidget *parent, const char *name )
: KToolBar( parent, name )
{
QWidget *base = new QWidget( this );
QBoxLayout::Direction d = orientation() == Qt::Horizontal?
QBoxLayout::LeftToRight : QBoxLayout::TopToBottom;
m_layout = new QBoxLayout( base, d, 2, 6 );
m_lblPreview = new QLabel( base );
m_lblPreview->setFrameStyle( QFrame::Panel|QFrame::Sunken );
m_lblPreview->setFixedHeight( 64 );
m_lblPreview->setAlignment( Qt::AlignHCenter|Qt::AlignVCenter );
QWhatsThis::add(m_lblPreview, i18n( "Preview\n\nThis is a 1:1 preview"
" of the current icon" ) );
m_layout->addWidget( m_lblPreview );
m_currentColorView = new QLabel( base );
m_currentColorView->setFrameStyle( QFrame::Panel|QFrame::Sunken );
m_currentColorView->setFixedHeight( 24 );
m_currentColorView->setAlignment( Qt::AlignHCenter|Qt::AlignVCenter );
QWhatsThis::add(m_currentColorView, i18n( "Current color\n\nThis is the currently selected color" ) );
m_layout->addWidget( m_currentColorView );
QVBoxLayout *vlayout = new QVBoxLayout( m_layout, 0 );
QLabel *l = new QLabel( i18n( "System colors:" ), base );
vlayout->addWidget( l );
m_sysColors = new KSysColors( base );
QWhatsThis::add(m_sysColors, i18n( "System colors\n\nHere you can select"
" colors from the KDE icon palette" ) );
vlayout->addWidget( m_sysColors );
connect( m_sysColors, SIGNAL( newColor(uint) ),
SIGNAL( newColor(uint) ) );
vlayout = new QVBoxLayout( m_layout, 0 );
l = new QLabel( i18n( "Custom colors:" ), base );
vlayout->addWidget( l );
m_customColors = new KCustomColors( base );
QWhatsThis::add(m_customColors, i18n( "Custom colors\n\nHere you can"
" build a palette of custom colors.\nDouble-click on a box to edit"
" the color" ) );
vlayout->addWidget( m_customColors );
connect( m_customColors, SIGNAL( newColor(uint) ),
SIGNAL( newColor(uint) ) );
connect( this, SIGNAL( newColor(uint)),
this, SLOT(currentColorChanged(uint)));
currentColorChanged(OPAQUE_MASK|0);
setEnableContextMenu( false );
setMovingEnabled( false );
}
void PaletteToolBar::setOrientation( Orientation o )
{
if( barPos() == Floating )
o = o == Qt::Vertical ? Qt::Horizontal : Qt::Vertical;
QBoxLayout::Direction d = o == Qt::Horizontal? QBoxLayout::LeftToRight
: QBoxLayout::TopToBottom;
m_layout->setDirection( d );
QDockWindow::setOrientation( o );
}
void PaletteToolBar::previewChanged( const QPixmap &p )
{
m_lblPreview->setPixmap( p );
}
void PaletteToolBar::addColors( uint n, uint *c )
{
m_customColors->clear();
for( uint i = 0; i < n; i++ )
addColor( c[ i ] );
}
void PaletteToolBar::addColor( uint color )
{
if( !m_sysColors->contains( color ) )
m_customColors->addColor( color );
}
void PaletteToolBar::setPreviewBackground( QPixmap pixmap )
{
m_lblPreview->setBackgroundPixmap(pixmap);
}
void PaletteToolBar::setPreviewBackground( const QColor& colour )
{
m_lblPreview->setBackgroundColor(colour);
}
void PaletteToolBar::currentColorChanged(uint color)
{
if(qAlpha(color) == 255)
{
m_currentColorView->setBackgroundColor(color);
}
else
{
// Show the colour as if drawn over a checkerboard pattern
const int squareWidth = 8;
const uint lightColour = qRgb(255, 255, 255);
const uint darkColour = qRgb(127, 127, 127);
QPixmap pm(2 * squareWidth, 2 * squareWidth);
QPainter p(&pm);
double alpha = qAlpha(color) / 255.0;
int r = int(qRed(color) * alpha + (1 - alpha) * qRed(lightColour) + 0.5);
int g = int(qGreen(color) * alpha + (1 - alpha) * qGreen(lightColour) + 0.5);
int b = int(qBlue(color) * alpha + (1 - alpha) * qBlue(lightColour) + 0.5);
uint squareColour = qRgb(r, g, b);
p.setPen(Qt::NoPen);
p.setBrush(squareColour);
p.drawRect(0, 0, squareWidth, squareWidth);
p.drawRect(squareWidth, squareWidth, squareWidth, squareWidth);
r = int(qRed(color) * alpha + (1 - alpha) * qRed(darkColour) + 0.5);
g = int(qGreen(color) * alpha + (1 - alpha) * qGreen(darkColour) + 0.5);
b = int(qBlue(color) * alpha + (1 - alpha) * qBlue(darkColour) + 0.5);
squareColour = qRgb(r, g, b);
p.setBrush(squareColour);
p.drawRect(squareWidth, 0, squareWidth, squareWidth);
p.drawRect(0, squareWidth, squareWidth, squareWidth);
p.end();
m_currentColorView->setBackgroundPixmap(pm);
}
}
#include "palettetoolbar.moc"
/* vim: et sw=2 ts=2
*/
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