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tdelibs/kdeui/kcolordialog.cpp

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/* This file is part of the KDE libraries
Copyright (C) 1997 Martin Jones (mjones@kde.org)
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.
*/
//-----------------------------------------------------------------------------
// KDE color selection dialog.
//
// 1999-09-27 Espen Sand <espensa@online.no>
// KColorDialog is now subclassed from KDialogBase. I have also extended
// KColorDialog::getColor() so that it contains a parent argument. This
// improves centering capability.
//
// layout management added Oct 1997 by Mario Weilguni
// <mweilguni@sime.com>
//
#include <stdio.h>
#include <stdlib.h>
#include <qcheckbox.h>
#include <qcombobox.h>
#include <qdrawutil.h>
#include <qevent.h>
#include <qfile.h>
#include <qimage.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qvalidator.h>
#include <qpainter.h>
#include <qpushbutton.h>
#include <qspinbox.h>
#include <qtimer.h>
#include <kapplication.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kiconloader.h>
#include <klineedit.h>
#include <klistbox.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kseparator.h>
#include <kpalette.h>
#include <kimageeffect.h>
#include "kcolordialog.h"
#include "kcolordrag.h"
#include "kstaticdeleter.h"
#include <config.h>
#include <kdebug.h>
#include "config.h"
#ifdef Q_WS_X11
#include <X11/Xlib.h>
// defined in qapplication_x11.cpp
typedef int (*QX11EventFilter) (XEvent*);
extern QX11EventFilter qt_set_x11_event_filter (QX11EventFilter filter);
#endif
struct ColorPaletteNameType
{
const char* m_fileName;
const char* m_displayName;
};
const ColorPaletteNameType colorPaletteName[]=
{
{ "Recent_Colors", I18N_NOOP2( "palette name", "* Recent Colors *" ) },
{ "Custom_Colors", I18N_NOOP2( "palette name", "* Custom Colors *" ) },
{ "40.colors", I18N_NOOP2( "palette name", "Forty Colors" ) },
{ "Rainbow.colors",I18N_NOOP2( "palette name", "Rainbow Colors" ) },
{ "Royal.colors", I18N_NOOP2( "palette name", "Royal Colors" ) },
{ "Web.colors", I18N_NOOP2( "palette name", "Web Colors" ) },
{ 0, 0 } // end of data
};
const int recentColorIndex = 0;
const int customColorIndex = 1;
class KColorSpinBox : public QSpinBox
{
public:
KColorSpinBox(int minValue, int maxValue, int step, QWidget* parent)
: QSpinBox(minValue, maxValue, step, parent, "kcolorspinbox")
{ }
// Override Qt's braindead auto-selection.
virtual void valueChange()
{
updateDisplay();
emit valueChanged( value() );
emit valueChanged( currentValueText() );
}
};
#define STANDARD_PAL_SIZE 17
KColor::KColor()
: QColor()
{
r = 0; g = 0; b = 0; h = 0; s = 0; v = 0;
}
KColor::KColor( const KColor &col)
: QColor( col )
{
h = col.h; s = col.s; v = col.v;
r = col.r; g = col.g; b = col.b;
}
KColor::KColor( const QColor &col)
: QColor( col )
{
QColor::getRgb(&r, &g, &b);
QColor::getHsv(&h, &s, &v);
}
bool KColor::operator==(const KColor& col) const
{
return (h == col.h) && (s == col.s) && (v == col.v) &&
(r == col.r) && (g == col.g) && (b == col.b);
}
KColor& KColor::operator=(const KColor& col)
{
*(QColor *)this = col;
h = col.h; s = col.s; v = col.v;
r = col.r; g = col.g; b = col.b;
return *this;
}
void
KColor::setHsv(int _h, int _s, int _v)
{
h = _h; s = _s; v = _v;
QColor::setHsv(h, s, v);
QColor::rgb(&r, &g, &b);
}
void
KColor::setRgb(int _r, int _g, int _b)
{
r = _r; g = _g; b = _b;
QColor::setRgb(r, g, b);
QColor::hsv(&h, &s, &v);
}
void
KColor::rgb(int *_r, int *_g, int *_b) const
{
*_r = r; *_g = g; *_b = b;
}
void
KColor::hsv(int *_h, int *_s, int *_v) const
{
*_h = h; *_s = s; *_v = v;
}
static QColor *standardPalette = 0;
static KStaticDeleter<QColor> spd;
static void createStandardPalette()
{
if ( standardPalette )
return;
spd.setObject(standardPalette, new QColor [STANDARD_PAL_SIZE], true/*array*/);
int i = 0;
standardPalette[i++] = Qt::red;
standardPalette[i++] = Qt::green;
standardPalette[i++] = Qt::blue;
standardPalette[i++] = Qt::cyan;
standardPalette[i++] = Qt::magenta;
standardPalette[i++] = Qt::yellow;
standardPalette[i++] = Qt::darkRed;
standardPalette[i++] = Qt::darkGreen;
standardPalette[i++] = Qt::darkBlue;
standardPalette[i++] = Qt::darkCyan;
standardPalette[i++] = Qt::darkMagenta;
standardPalette[i++] = Qt::darkYellow;
standardPalette[i++] = Qt::white;
standardPalette[i++] = Qt::lightGray;
standardPalette[i++] = Qt::gray;
standardPalette[i++] = Qt::darkGray;
standardPalette[i++] = Qt::black;
}
KHSSelector::KHSSelector( QWidget *parent, const char *name )
: KXYSelector( parent, name )
{
setRange( 0, 0, 359, 255 );
}
void KHSSelector::updateContents()
{
drawPalette(&pixmap);
}
void KHSSelector::resizeEvent( QResizeEvent * )
{
updateContents();
}
void KHSSelector::drawContents( QPainter *painter )
{
painter->drawPixmap( contentsRect().x(), contentsRect().y(), pixmap );
}
void KHSSelector::drawPalette( QPixmap *pixmap )
{
int xSize = contentsRect().width(), ySize = contentsRect().height();
QImage image( xSize, ySize, 32 );
QColor col;
int h, s;
uint *p;
for ( s = ySize-1; s >= 0; s-- )
{
p = (uint *) image.scanLine( ySize - s - 1 );
for( h = 0; h < xSize; h++ )
{
col.setHsv( 359*h/(xSize-1), 255*s/((ySize == 1) ? 1 : ySize-1), 192 );
*p = col.rgb();
p++;
}
}
if ( QColor::numBitPlanes() <= 8 )
{
createStandardPalette();
KImageEffect::dither( image, standardPalette, STANDARD_PAL_SIZE );
}
pixmap->convertFromImage( image );
}
//-----------------------------------------------------------------------------
KValueSelector::KValueSelector( QWidget *parent, const char *name )
: KSelector( KSelector::Vertical, parent, name ), _hue(0), _sat(0)
{
setRange( 0, 255 );
pixmap.setOptimization( QPixmap::BestOptim );
}
KValueSelector::KValueSelector(Orientation o, QWidget *parent, const char *name
)
: KSelector( o, parent, name), _hue(0), _sat(0)
{
setRange( 0, 255 );
pixmap.setOptimization( QPixmap::BestOptim );
}
void KValueSelector::updateContents()
{
drawPalette(&pixmap);
}
void KValueSelector::resizeEvent( QResizeEvent * )
{
updateContents();
}
void KValueSelector::drawContents( QPainter *painter )
{
painter->drawPixmap( contentsRect().x(), contentsRect().y(), pixmap );
}
void KValueSelector::drawPalette( QPixmap *pixmap )
{
int xSize = contentsRect().width(), ySize = contentsRect().height();
QImage image( xSize, ySize, 32 );
QColor col;
uint *p;
QRgb rgb;
if ( orientation() == KSelector::Horizontal )
{
for ( int v = 0; v < ySize; v++ )
{
p = (uint *) image.scanLine( ySize - v - 1 );
for( int x = 0; x < xSize; x++ )
{
col.setHsv( _hue, _sat, 255*x/((xSize == 1) ? 1 : xSize-1) );
rgb = col.rgb();
*p++ = rgb;
}
}
}
if( orientation() == KSelector::Vertical )
{
for ( int v = 0; v < ySize; v++ )
{
p = (uint *) image.scanLine( ySize - v - 1 );
col.setHsv( _hue, _sat, 255*v/((ySize == 1) ? 1 : ySize-1) );
rgb = col.rgb();
for ( int i = 0; i < xSize; i++ )
*p++ = rgb;
}
}
if ( QColor::numBitPlanes() <= 8 )
{
createStandardPalette();
KImageEffect::dither( image, standardPalette, STANDARD_PAL_SIZE );
}
pixmap->convertFromImage( image );
}
//-----------------------------------------------------------------------------
KColorCells::KColorCells( QWidget *parent, int rows, int cols )
: QGridView( parent )
{
shade = true;
setNumRows( rows );
setNumCols( cols );
colors = new QColor [ rows * cols ];
for ( int i = 0; i < rows * cols; i++ )
colors[i] = QColor();
selected = 0;
inMouse = false;
// Drag'n'Drop
setAcceptDrops( true);
setHScrollBarMode( AlwaysOff );
setVScrollBarMode( AlwaysOff );
viewport()->setBackgroundMode( PaletteBackground );
setBackgroundMode( PaletteBackground );
}
KColorCells::~KColorCells()
{
delete [] colors;
}
void KColorCells::setColor( int colNum, const QColor &col )
{
colors[colNum] = col;
updateCell( colNum/numCols(), colNum%numCols() );
}
void KColorCells::paintCell( QPainter *painter, int row, int col )
{
QBrush brush;
int w = 1;
if (shade)
{
qDrawShadePanel( painter, 1, 1, cellWidth()-2,
cellHeight()-2, colorGroup(), true, 1, &brush );
w = 2;
}
QColor color = colors[ row * numCols() + col ];
if (!color.isValid())
{
if (!shade) return;
color = backgroundColor();
}
painter->setPen( color );
painter->setBrush( QBrush( color ) );
painter->drawRect( w, w, cellWidth()-w*2, cellHeight()-w*2 );
if ( row * numCols() + col == selected )
painter->drawWinFocusRect( w, w, cellWidth()-w*2, cellHeight()-w*2 );
}
void KColorCells::resizeEvent( QResizeEvent * )
{
setCellWidth( width() / numCols() );
setCellHeight( height() / numRows() );
}
void KColorCells::mousePressEvent( QMouseEvent *e )
{
inMouse = true;
mPos = e->pos();
}
int KColorCells::posToCell(const QPoint &pos, bool ignoreBorders)
{
int row = pos.y() / cellHeight();
int col = pos.x() / cellWidth();
int cell = row * numCols() + col;
if (!ignoreBorders)
{
int border = 2;
int x = pos.x() - col * cellWidth();
int y = pos.y() - row * cellHeight();
if ( (x < border) || (x > cellWidth()-border) ||
(y < border) || (y > cellHeight()-border))
return -1;
}
return cell;
}
void KColorCells::mouseMoveEvent( QMouseEvent *e )
{
if( !(e->state() & LeftButton)) return;
if(inMouse) {
int delay = KGlobalSettings::dndEventDelay();
if(e->x() > mPos.x()+delay || e->x() < mPos.x()-delay ||
e->y() > mPos.y()+delay || e->y() < mPos.y()-delay){
// Drag color object
int cell = posToCell(mPos);
if ((cell != -1) && colors[cell].isValid())
{
KColorDrag *d = new KColorDrag( colors[cell], this);
d->dragCopy();
}
}
}
}
void KColorCells::dragEnterEvent( QDragEnterEvent *event)
{
event->accept( acceptDrags && KColorDrag::canDecode( event));
}
void KColorCells::dropEvent( QDropEvent *event)
{
QColor c;
if( KColorDrag::decode( event, c)) {
int cell = posToCell(event->pos(), true);
setColor(cell,c);
}
}
void KColorCells::mouseReleaseEvent( QMouseEvent *e )
{
int cell = posToCell(mPos);
int currentCell = posToCell(e->pos());
// If we release the mouse in another cell and we don't have
// a drag we should ignore this event.
if (currentCell != cell)
cell = -1;
if ( (cell != -1) && (selected != cell) )
{
int prevSel = selected;
selected = cell;
updateCell( prevSel/numCols(), prevSel%numCols() );
updateCell( cell/numCols(), cell%numCols() );
}
inMouse = false;
if (cell != -1)
emit colorSelected( cell );
}
void KColorCells::mouseDoubleClickEvent( QMouseEvent * /*e*/ )
{
int cell = posToCell(mPos);
if (cell != -1)
emit colorDoubleClicked( cell );
}
//-----------------------------------------------------------------------------
KColorPatch::KColorPatch( QWidget *parent ) : QFrame( parent )
{
setFrameStyle( QFrame::Panel | QFrame::Sunken );
colContext = 0;
setAcceptDrops( true);
}
KColorPatch::~KColorPatch()
{
if ( colContext )
QColor::destroyAllocContext( colContext );
}
void KColorPatch::setColor( const QColor &col )
{
if ( colContext )
QColor::destroyAllocContext( colContext );
colContext = QColor::enterAllocContext();
color.setRgb( col.rgb() );
color.alloc();
QColor::leaveAllocContext();
QPainter painter;
painter.begin( this );
drawContents( &painter );
painter.end();
}
void KColorPatch::drawContents( QPainter *painter )
{
painter->setPen( color );
painter->setBrush( QBrush( color ) );
painter->drawRect( contentsRect() );
}
void KColorPatch::mouseMoveEvent( QMouseEvent *e )
{
// Drag color object
if( !(e->state() & LeftButton)) return;
KColorDrag *d = new KColorDrag( color, this);
d->dragCopy();
}
void KColorPatch::dragEnterEvent( QDragEnterEvent *event)
{
event->accept( KColorDrag::canDecode( event));
}
void KColorPatch::dropEvent( QDropEvent *event)
{
QColor c;
if( KColorDrag::decode( event, c)) {
setColor( c);
emit colorChanged( c);
}
}
class KPaletteTable::KPaletteTablePrivate
{
public:
QMap<QString,QColor> m_namedColorMap;
};
KPaletteTable::KPaletteTable( QWidget *parent, int minWidth, int cols)
: QWidget( parent ), cells(0), mPalette(0), mMinWidth(minWidth), mCols(cols)
{
d = new KPaletteTablePrivate;
i18n_namedColors = i18n("Named Colors");
QStringList diskPaletteList = KPalette::getPaletteList();
QStringList paletteList;
// We must replace the untranslated file names by translate names (of course only for KDE's standard palettes)
for ( int i = 0; colorPaletteName[i].m_fileName; ++i )
{
diskPaletteList.remove( colorPaletteName[i].m_fileName );
paletteList.append( i18n( "palette name", colorPaletteName[i].m_displayName ) );
}
paletteList += diskPaletteList;
paletteList.append( i18n_namedColors );
QVBoxLayout *layout = new QVBoxLayout( this );
combo = new QComboBox( false, this );
combo->insertStringList( paletteList );
layout->addWidget(combo);
sv = new QScrollView( this );
QSize cellSize = QSize( mMinWidth, 120);
sv->setHScrollBarMode( QScrollView::AlwaysOff);
sv->setVScrollBarMode( QScrollView::AlwaysOn);
QSize minSize = QSize(sv->verticalScrollBar()->width(), 0);
minSize += QSize(sv->frameWidth(), 0);
minSize += QSize(cellSize);
sv->setFixedSize(minSize);
layout->addWidget(sv);
mNamedColorList = new KListBox( this, "namedColorList", 0 );
mNamedColorList->setFixedSize(minSize);
mNamedColorList->hide();
layout->addWidget(mNamedColorList);
connect( mNamedColorList, SIGNAL(highlighted( const QString & )),
this, SLOT( slotColorTextSelected( const QString & )) );
setFixedSize( sizeHint());
connect( combo, SIGNAL(activated(const QString &)),
this, SLOT(slotSetPalette( const QString &)));
}
KPaletteTable::~KPaletteTable()
{
delete mPalette;
delete d;
}
QString
KPaletteTable::palette() const
{
return combo->currentText();
}
static const char * const *namedColorFilePath( void )
{
//
// 2000-02-05 Espen Sand.
// Add missing filepaths here. Make sure the last entry is 0!
//
static const char * const path[] =
{
#ifdef X11_RGBFILE
X11_RGBFILE,
#endif
"/usr/share/X11/rgb.txt",
"/usr/X11R6/lib/X11/rgb.txt",
"/usr/openwin/lib/X11/rgb.txt", // for Solaris.
0
};
return path;
}
void
KPaletteTable::readNamedColor( void )
{
if( mNamedColorList->count() != 0 )
{
return; // Strings already present
}
KGlobal::locale()->insertCatalogue("kdelibs_colors");
//
// Code somewhat inspired by KPalette.
//
const char * const *path = namedColorFilePath();
for( int i=0; path[i]; ++i )
{
QFile paletteFile( path[i] );
if( !paletteFile.open( IO_ReadOnly ) )
{
continue;
}
QString line;
QStringList list;
while( paletteFile.readLine( line, 100 ) != -1 )
{
int red, green, blue;
int pos = 0;
if( sscanf(line.ascii(), "%d %d %d%n", &red, &green, &blue, &pos ) == 3 )
{
//
// Remove duplicates. Every name with a space and every name
// that start with "gray".
//
QString name = line.mid(pos).stripWhiteSpace();
if( name.isNull() || name.find(' ') != -1 ||
name.find( "gray" ) != -1 || name.find( "grey" ) != -1 )
{
continue;
}
const QColor color ( red, green, blue );
if ( color.isValid() )
{
const QString colorName( i18n("color", name.latin1() ) );
list.append( colorName );
d->m_namedColorMap[ colorName ] = color;
}
}
}
list.sort();
mNamedColorList->insertStringList( list );
break;
}
if( mNamedColorList->count() == 0 )
{
//
// Give the error dialog box a chance to center above the
// widget (or dialog). If we had displayed it now we could get a
// situation where the (modal) error dialog box pops up first
// preventing the real dialog to become visible until the
// error dialog box is removed (== bad UI).
//
QTimer::singleShot( 10, this, SLOT(slotShowNamedColorReadError()) );
}
}
void
KPaletteTable::slotShowNamedColorReadError( void )
{
if( mNamedColorList->count() == 0 )
{
QString msg = i18n(""
"Unable to read X11 RGB color strings. The following "
"file location(s) were examined:\n");
const char * const *path = namedColorFilePath();
for( int i=0; path[i]; ++i )
{
msg += path[i];
msg += "\n";
}
KMessageBox::sorry( this, msg );
}
}
//
// 2000-02-12 Espen Sand
// Set the color in two steps. The setPalette() slot will not emit a signal
// with the current color setting. The reason is that setPalette() is used
// by the color selector dialog on startup. In the color selector dialog
// we normally want to display a startup color which we specify
// when the dialog is started. The slotSetPalette() slot below will
// set the palette and then use the information to emit a signal with the
// new color setting. It is only used by the combobox widget.
//
void
KPaletteTable::slotSetPalette( const QString &_paletteName )
{
setPalette( _paletteName );
if( mNamedColorList->isVisible() )
{
int item = mNamedColorList->currentItem();
mNamedColorList->setCurrentItem( item < 0 ? 0 : item );
slotColorTextSelected( mNamedColorList->currentText() );
}
else
{
slotColorCellSelected(0); // FIXME: We need to save the current value!!
}
}
void
KPaletteTable::setPalette( const QString &_paletteName )
{
QString paletteName( _paletteName);
if (paletteName.isEmpty())
paletteName = i18n_recentColors;
if (combo->currentText() != paletteName)
{
bool found = false;
for(int i = 0; i < combo->count(); i++)
{
if (combo->text(i) == paletteName)
{
combo->setCurrentItem(i);
found = true;
break;
}
}
if (!found)
{
combo->insertItem(paletteName);
combo->setCurrentItem(combo->count()-1);
}
}
// We must again find the file name of the palette from the eventual translation
for ( int i = 0; colorPaletteName[i].m_fileName; ++i )
{
if ( paletteName == i18n( "palette name", colorPaletteName[i].m_displayName ) )
{
paletteName = colorPaletteName[i].m_fileName;
break;
}
}
//
// 2000-02-12 Espen Sand
// The palette mode "i18n_namedColors" does not use the KPalette class.
// In fact, 'mPalette' and 'cells' are 0 when in this mode. The reason
// for this is maninly that KPalette reads from and writes to files using
// "locate()". The colors used in "i18n_namedColors" mode comes from the
// X11 diretory and is not writable. I don't think this fit in KPalette.
//
if( !mPalette || mPalette->name() != paletteName )
{
if( paletteName == i18n_namedColors )
{
sv->hide();
mNamedColorList->show();
readNamedColor();
delete cells; cells = 0;
delete mPalette; mPalette = 0;
}
else
{
mNamedColorList->hide();
sv->show();
delete cells;
delete mPalette;
mPalette = new KPalette(paletteName);
int rows = (mPalette->nrColors()+mCols-1) / mCols;
if (rows < 1) rows = 1;
cells = new KColorCells( sv->viewport(), rows, mCols);
cells->setShading(false);
cells->setAcceptDrags(false);
QSize cellSize = QSize( mMinWidth, mMinWidth * rows / mCols);
cells->setFixedSize( cellSize );
for( int i = 0; i < mPalette->nrColors(); i++)
{
cells->setColor( i, mPalette->color(i) );
}
connect( cells, SIGNAL( colorSelected( int ) ),
SLOT( slotColorCellSelected( int ) ) );
connect( cells, SIGNAL( colorDoubleClicked( int ) ),
SLOT( slotColorCellDoubleClicked( int ) ) );
sv->addChild( cells );
cells->show();
sv->updateScrollBars();
}
}
}
void
KPaletteTable::slotColorCellSelected( int col )
{
if (!mPalette || (col >= mPalette->nrColors()))
return;
emit colorSelected( mPalette->color(col), mPalette->colorName(col) );
}
void
KPaletteTable::slotColorCellDoubleClicked( int col )
{
if (!mPalette || (col >= mPalette->nrColors()))
return;
emit colorDoubleClicked( mPalette->color(col), mPalette->colorName(col) );
}
void
KPaletteTable::slotColorTextSelected( const QString &colorText )
{
emit colorSelected( d->m_namedColorMap[ colorText ], colorText );
}
void
KPaletteTable::addToCustomColors( const QColor &color)
{
setPalette(i18n( "palette name", colorPaletteName[ customColorIndex ].m_displayName ));
mPalette->addColor( color );
mPalette->save();
delete mPalette;
mPalette = 0;
setPalette(i18n( "palette name", colorPaletteName[ customColorIndex ].m_displayName ));
}
void
KPaletteTable::addToRecentColors( const QColor &color)
{
//
// 2000-02-12 Espen Sand.
// The 'mPalette' is always 0 when current mode is i18n_namedColors
//
bool recentIsSelected = false;
if ( mPalette && mPalette->name() == colorPaletteName[ recentColorIndex ].m_fileName )
{
delete mPalette;
mPalette = 0;
recentIsSelected = true;
}
KPalette *recentPal = new KPalette( colorPaletteName[ recentColorIndex ].m_fileName );
if (recentPal->findColor(color) == -1)
{
recentPal->addColor( color );
recentPal->save();
}
delete recentPal;
if (recentIsSelected)
setPalette( i18n( "palette name", colorPaletteName[ recentColorIndex ].m_displayName ) );
}
class KColorDialog::KColorDialogPrivate {
public:
KPaletteTable *table;
QString originalPalette;
bool bRecursion;
bool bEditRgb;
bool bEditHsv;
bool bEditHtml;
bool bColorPicking;
QLabel *colorName;
KLineEdit *htmlName;
KColorSpinBox *hedit;
KColorSpinBox *sedit;
KColorSpinBox *vedit;
KColorSpinBox *redit;
KColorSpinBox *gedit;
KColorSpinBox *bedit;
KColorPatch *patch;
KHSSelector *hsSelector;
KPalette *palette;
KValueSelector *valuePal;
QVBoxLayout* l_right;
QGridLayout* tl_layout;
QCheckBox *cbDefaultColor;
KColor defaultColor;
KColor selColor;
#ifdef Q_WS_X11
QX11EventFilter oldfilter;
#endif
};
KColorDialog::KColorDialog( QWidget *parent, const char *name, bool modal )
:KDialogBase( parent, name, modal, i18n("Select Color"),
modal ? Ok|Cancel : Close,
Ok, true )
{
d = new KColorDialogPrivate;
d->bRecursion = true;
d->bColorPicking = false;
#ifdef Q_WS_X11
d->oldfilter = 0;
#endif
d->cbDefaultColor = 0L;
connect( this, SIGNAL(okClicked(void)),this,SLOT(slotWriteSettings(void)));
connect( this, SIGNAL(closeClicked(void)),this,SLOT(slotWriteSettings(void)));
QLabel *label;
//
// Create the top level page and its layout
//
QWidget *page = new QWidget( this );
setMainWidget( page );
QGridLayout *tl_layout = new QGridLayout( page, 3, 3, 0, spacingHint() );
d->tl_layout = tl_layout;
tl_layout->addColSpacing( 1, spacingHint() * 2 );
//
// the more complicated part: the left side
// add a V-box
//
QVBoxLayout *l_left = new QVBoxLayout();
tl_layout->addLayout(l_left, 0, 0);
//
// add a H-Box for the XY-Selector and a grid for the
// entry fields
//
QHBoxLayout *l_ltop = new QHBoxLayout();
l_left->addLayout(l_ltop);
// a little space between
l_left->addSpacing(10);
QGridLayout *l_lbot = new QGridLayout(3, 6);
l_left->addLayout(l_lbot);
//
// the palette and value selector go into the H-box
//
d->hsSelector = new KHSSelector( page );
d->hsSelector->setMinimumSize(140, 70);
l_ltop->addWidget(d->hsSelector, 8);
connect( d->hsSelector, SIGNAL( valueChanged( int, int ) ),
SLOT( slotHSChanged( int, int ) ) );
d->valuePal = new KValueSelector( page );
d->valuePal->setMinimumSize(26, 70);
l_ltop->addWidget(d->valuePal, 1);
connect( d->valuePal, SIGNAL( valueChanged( int ) ),
SLOT( slotVChanged( int ) ) );
//
// add the HSV fields
//
label = new QLabel( i18n("H:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget(label, 0, 2);
d->hedit = new KColorSpinBox( 0, 359, 1, page );
d->hedit->setValidator( new QIntValidator( d->hedit ) );
l_lbot->addWidget(d->hedit, 0, 3);
connect( d->hedit, SIGNAL( valueChanged(int) ),
SLOT( slotHSVChanged() ) );
label = new QLabel( i18n("S:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget(label, 1, 2);
d->sedit = new KColorSpinBox( 0, 255, 1, page );
d->sedit->setValidator( new QIntValidator( d->sedit ) );
l_lbot->addWidget(d->sedit, 1, 3);
connect( d->sedit, SIGNAL( valueChanged(int) ),
SLOT( slotHSVChanged() ) );
label = new QLabel( i18n("V:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget(label, 2, 2);
d->vedit = new KColorSpinBox( 0, 255, 1, page );
d->vedit->setValidator( new QIntValidator( d->vedit ) );
l_lbot->addWidget(d->vedit, 2, 3);
connect( d->vedit, SIGNAL( valueChanged(int) ),
SLOT( slotHSVChanged() ) );
//
// add the RGB fields
//
label = new QLabel( i18n("R:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget(label, 0, 4);
d->redit = new KColorSpinBox( 0, 255, 1, page );
d->redit->setValidator( new QIntValidator( d->redit ) );
l_lbot->addWidget(d->redit, 0, 5);
connect( d->redit, SIGNAL( valueChanged(int) ),
SLOT( slotRGBChanged() ) );
label = new QLabel( i18n("G:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget( label, 1, 4);
d->gedit = new KColorSpinBox( 0, 255,1, page );
d->gedit->setValidator( new QIntValidator( d->gedit ) );
l_lbot->addWidget(d->gedit, 1, 5);
connect( d->gedit, SIGNAL( valueChanged(int) ),
SLOT( slotRGBChanged() ) );
label = new QLabel( i18n("B:"), page );
label->setAlignment(AlignRight | AlignVCenter);
l_lbot->addWidget(label, 2, 4);
d->bedit = new KColorSpinBox( 0, 255, 1, page );
d->bedit->setValidator( new QIntValidator( d->bedit ) );
l_lbot->addWidget(d->bedit, 2, 5);
connect( d->bedit, SIGNAL( valueChanged(int) ),
SLOT( slotRGBChanged() ) );
//
// the entry fields should be wide enough to hold 8888888
//
int w = d->hedit->fontMetrics().width("8888888");
d->hedit->setFixedWidth(w);
d->sedit->setFixedWidth(w);
d->vedit->setFixedWidth(w);
d->redit->setFixedWidth(w);
d->gedit->setFixedWidth(w);
d->bedit->setFixedWidth(w);
//
// add a layout for the right side
//
d->l_right = new QVBoxLayout;
tl_layout->addLayout(d->l_right, 0, 2);
//
// Add the palette table
//
d->table = new KPaletteTable( page );
d->l_right->addWidget(d->table, 10);
connect( d->table, SIGNAL( colorSelected( const QColor &, const QString & ) ),
SLOT( slotColorSelected( const QColor &, const QString & ) ) );
connect(
d->table,
SIGNAL( colorDoubleClicked( const QColor &, const QString & ) ),
SLOT( slotColorDoubleClicked( const QColor &, const QString & ) )
);
// Store the default value for saving time.
d->originalPalette = d->table->palette();
//
// a little space between
//
d->l_right->addSpacing(10);
QHBoxLayout *l_hbox = new QHBoxLayout( d->l_right );
//
// The add to custom colors button
//
QPushButton *button = new QPushButton( page );
button->setText(i18n("&Add to Custom Colors"));
l_hbox->addWidget(button, 0, AlignLeft);
connect( button, SIGNAL( clicked()), SLOT( slotAddToCustomColors()));
//
// The color picker button
//
button = new QPushButton( page );
button->setPixmap( BarIcon("colorpicker"));
l_hbox->addWidget(button, 0, AlignHCenter );
connect( button, SIGNAL( clicked()), SLOT( slotColorPicker()));
//
// a little space between
//
d->l_right->addSpacing(10);
//
// and now the entry fields and the patch (=colored box)
//
QGridLayout *l_grid = new QGridLayout( d->l_right, 2, 3);
l_grid->setColStretch(2, 1);
label = new QLabel( page );
label->setText(i18n("Name:"));
l_grid->addWidget(label, 0, 1, AlignLeft);
d->colorName = new QLabel( page );
l_grid->addWidget(d->colorName, 0, 2, AlignLeft);
label = new QLabel( page );
label->setText(i18n("HTML:"));
l_grid->addWidget(label, 1, 1, AlignLeft);
d->htmlName = new KLineEdit( page );
d->htmlName->setMaxLength( 13 ); // Qt's QColor allows 12 hexa-digits
d->htmlName->setText("#FFFFFF"); // But HTML uses only 6, so do not worry about the size
w = d->htmlName->fontMetrics().width(QString::fromLatin1("#DDDDDDD"));
d->htmlName->setFixedWidth(w);
l_grid->addWidget(d->htmlName, 1, 2, AlignLeft);
connect( d->htmlName, SIGNAL( textChanged(const QString &) ),
SLOT( slotHtmlChanged() ) );
d->patch = new KColorPatch( page );
d->patch->setFixedSize(48, 48);
l_grid->addMultiCellWidget(d->patch, 0, 1, 0, 0, AlignHCenter | AlignVCenter);
connect( d->patch, SIGNAL( colorChanged( const QColor&)),
SLOT( setColor( const QColor&)));
tl_layout->activate();
page->setMinimumSize( page->sizeHint() );
readSettings();
d->bRecursion = false;
d->bEditHsv = false;
d->bEditRgb = false;
d->bEditHtml = false;
disableResize();
KColor col;
col.setHsv( 0, 0, 255 );
_setColor( col );
d->htmlName->installEventFilter(this);
d->hsSelector->installEventFilter(this);
d->hsSelector->setAcceptDrops(true);
}
KColorDialog::~KColorDialog()
{
#ifdef Q_WS_X11
if (d->bColorPicking)
qt_set_x11_event_filter(d->oldfilter);
#endif
delete d;
}
bool
KColorDialog::eventFilter( QObject *obj, QEvent *ev )
{
if ((obj == d->htmlName) || (obj == d->hsSelector))
switch(ev->type())
{
case QEvent::DragEnter:
case QEvent::DragMove:
case QEvent::DragLeave:
case QEvent::Drop:
case QEvent::DragResponse:
qApp->sendEvent(d->patch, ev);
return true;
default:
break;
}
return KDialogBase::eventFilter(obj, ev);
}
void
KColorDialog::setDefaultColor( const QColor& col )
{
if ( !d->cbDefaultColor )
{
//
// a little space between
//
d->l_right->addSpacing(10);
//
// and the "default color" checkbox, under all items on the right side
//
d->cbDefaultColor = new QCheckBox( i18n( "Default color" ), mainWidget() );
d->cbDefaultColor->setChecked(true);
d->l_right->addWidget( d->cbDefaultColor );
mainWidget()->setMaximumSize( QWIDGETSIZE_MAX, QWIDGETSIZE_MAX ); // cancel setFixedSize()
d->tl_layout->activate();
mainWidget()->setMinimumSize( mainWidget()->sizeHint() );
disableResize();
connect( d->cbDefaultColor, SIGNAL( clicked() ), SLOT( slotDefaultColorClicked() ) );
}
d->defaultColor = col;
slotDefaultColorClicked();
}
QColor KColorDialog::defaultColor() const
{
return d->defaultColor;
}
void KColorDialog::slotDefaultColorClicked()
{
if ( d->cbDefaultColor->isChecked() )
{
d->selColor = d->defaultColor;
showColor( d->selColor, i18n( "-default-" ) );
} else
{
showColor( d->selColor, QString::null );
}
}
void
KColorDialog::readSettings()
{
KConfigGroup group( KGlobal::config(), "Colors" );
QString palette = group.readEntry("CurrentPalette");
d->table->setPalette(palette);
}
void
KColorDialog::slotWriteSettings()
{
KConfigGroup group( KGlobal::config(), "Colors" );
QString palette = d->table->palette();
if (!group.hasDefault("CurrentPalette") &&
(d->table->palette() == d->originalPalette))
{
group.revertToDefault("CurrentPalette");
}
else
{
group.writeEntry("CurrentPalette", d->table->palette());
}
}
QColor
KColorDialog::color() const
{
if ( d->cbDefaultColor && d->cbDefaultColor->isChecked() )
return QColor();
if ( d->selColor.isValid() )
d->table->addToRecentColors( d->selColor );
return d->selColor;
}
void KColorDialog::setColor( const QColor &col )
{
_setColor( col );
}
//
// static function to display dialog and return color
//
int KColorDialog::getColor( QColor &theColor, QWidget *parent )
{
KColorDialog dlg( parent, "Color Selector", true );
if ( theColor.isValid() )
dlg.setColor( theColor );
int result = dlg.exec();
if ( result == Accepted )
{
theColor = dlg.color();
}
return result;
}
//
// static function to display dialog and return color
//
int KColorDialog::getColor( QColor &theColor, const QColor& defaultCol, QWidget *parent )
{
KColorDialog dlg( parent, "Color Selector", true );
dlg.setDefaultColor( defaultCol );
dlg.setColor( theColor );
int result = dlg.exec();
if ( result == Accepted )
theColor = dlg.color();
return result;
}
void KColorDialog::slotRGBChanged( void )
{
if (d->bRecursion) return;
int red = d->redit->value();
int grn = d->gedit->value();
int blu = d->bedit->value();
if ( red > 255 || red < 0 ) return;
if ( grn > 255 || grn < 0 ) return;
if ( blu > 255 || blu < 0 ) return;
KColor col;
col.setRgb( red, grn, blu );
d->bEditRgb = true;
_setColor( col );
d->bEditRgb = false;
}
void KColorDialog::slotHtmlChanged( void )
{
if (d->bRecursion || d->htmlName->text().isEmpty()) return;
QString strColor( d->htmlName->text() );
// Assume that a user does not want to type the # all the time
if ( strColor[0] != '#' )
{
bool signalsblocked = d->htmlName->signalsBlocked();
d->htmlName->blockSignals(true);
strColor.prepend("#");
d->htmlName->setText(strColor);
d->htmlName->blockSignals(signalsblocked);
}
const QColor color( strColor );
if ( color.isValid() )
{
KColor col( color );
d->bEditHtml = true;
_setColor( col );
d->bEditHtml = false;
}
}
void KColorDialog::slotHSVChanged( void )
{
if (d->bRecursion) return;
int hue = d->hedit->value();
int sat = d->sedit->value();
int val = d->vedit->value();
if ( hue > 359 || hue < 0 ) return;
if ( sat > 255 || sat < 0 ) return;
if ( val > 255 || val < 0 ) return;
KColor col;
col.setHsv( hue, sat, val );
d->bEditHsv = true;
_setColor( col );
d->bEditHsv = false;
}
void KColorDialog::slotHSChanged( int h, int s )
{
int _h, _s, v;
d->selColor.hsv(&_h, &_s, &v);
if (v < 0)
v = 0;
KColor col;
col.setHsv( h, s, v );
_setColor( col );
}
void KColorDialog::slotVChanged( int v )
{
int h, s, _v;
d->selColor.hsv(&h, &s, &_v);
KColor col;
col.setHsv( h, s, v );
_setColor( col );
}
void KColorDialog::slotColorSelected( const QColor &color )
{
_setColor( color );
}
void KColorDialog::slotAddToCustomColors( )
{
d->table->addToCustomColors( d->selColor );
}
void KColorDialog::slotColorSelected( const QColor &color, const QString &name )
{
_setColor( color, name);
}
void KColorDialog::slotColorDoubleClicked
(
const QColor & color,
const QString & name
)
{
_setColor(color, name);
accept();
}
void KColorDialog::_setColor(const KColor &color, const QString &name)
{
if (color.isValid())
{
if (d->cbDefaultColor && d->cbDefaultColor->isChecked())
d->cbDefaultColor->setChecked(false);
d->selColor = color;
}
else
{
if (d->cbDefaultColor && d->cbDefaultColor->isChecked())
d->cbDefaultColor->setChecked(true);
d->selColor = d->defaultColor;
}
showColor( d->selColor, name );
emit colorSelected( d->selColor );
}
// show but don't set into selColor, nor emit colorSelected
void KColorDialog::showColor( const KColor &color, const QString &name )
{
d->bRecursion = true;
if (name.isEmpty())
d->colorName->setText( i18n("-unnamed-"));
else
d->colorName->setText( name );
d->patch->setColor( color );
setRgbEdit( color );
setHsvEdit( color );
setHtmlEdit( color );
int h, s, v;
color.hsv( &h, &s, &v );
d->hsSelector->setValues( h, s );
d->valuePal->blockSignals(true);
d->valuePal->setHue( h );
d->valuePal->setSaturation( s );
d->valuePal->setValue( v );
d->valuePal->updateContents();
d->valuePal->blockSignals(false);
d->valuePal->repaint( false );
d->bRecursion = false;
}
static QWidget *kde_color_dlg_widget = 0;
#ifdef Q_WS_X11
static int kde_color_dlg_handler(XEvent *event)
{
if (event->type == ButtonRelease)
{
QMouseEvent e( QEvent::MouseButtonRelease, QPoint(),
QPoint(event->xmotion.x_root, event->xmotion.y_root) , 0, 0 );
QApplication::sendEvent( kde_color_dlg_widget, &e );
return true;
}
return false;
}
#endif
void
KColorDialog::slotColorPicker()
{
d->bColorPicking = true;
#ifdef Q_WS_X11
d->oldfilter = qt_set_x11_event_filter(kde_color_dlg_handler);
#endif
kde_color_dlg_widget = this;
grabMouse( crossCursor );
grabKeyboard();
}
void
KColorDialog::mouseReleaseEvent( QMouseEvent *e )
{
if (d->bColorPicking)
{
d->bColorPicking = false;
#ifdef Q_WS_X11
qt_set_x11_event_filter(d->oldfilter);
d->oldfilter = 0;
#endif
releaseMouse();
releaseKeyboard();
_setColor( grabColor( e->globalPos() ) );
return;
}
KDialogBase::mouseReleaseEvent( e );
}
QColor
KColorDialog::grabColor(const QPoint &p)
{
QWidget *desktop = QApplication::desktop();
QPixmap pm = QPixmap::grabWindow( desktop->winId(), p.x(), p.y(), 1, 1);
QImage i = pm.convertToImage();
return i.pixel(0,0);
}
void
KColorDialog::keyPressEvent( QKeyEvent *e )
{
if (d->bColorPicking)
{
if (e->key() == Key_Escape)
{
d->bColorPicking = false;
#ifdef Q_WS_X11
qt_set_x11_event_filter(d->oldfilter);
d->oldfilter = 0;
#endif
releaseMouse();
releaseKeyboard();
}
e->accept();
return;
}
KDialogBase::keyPressEvent( e );
}
void KColorDialog::setRgbEdit( const KColor &col )
{
if (d->bEditRgb) return;
int r, g, b;
col.rgb( &r, &g, &b );
d->redit->setValue( r );
d->gedit->setValue( g );
d->bedit->setValue( b );
}
void KColorDialog::setHtmlEdit( const KColor &col )
{
if (d->bEditHtml) return;
int r, g, b;
col.rgb( &r, &g, &b );
QString num;
num.sprintf("#%02X%02X%02X", r,g,b);
d->htmlName->setText( num );
}
void KColorDialog::setHsvEdit( const KColor &col )
{
if (d->bEditHsv) return;
int h, s, v;
col.hsv( &h, &s, &v );
d->hedit->setValue( h );
d->sedit->setValue( s );
d->vedit->setValue( v );
}
void KHSSelector::virtual_hook( int id, void* data )
{ KXYSelector::virtual_hook( id, data ); }
void KValueSelector::virtual_hook( int id, void* data )
{ KSelector::virtual_hook( id, data ); }
void KPaletteTable::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
void KColorCells::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
void KColorPatch::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
void KColorDialog::virtual_hook( int id, void* data )
{ KDialogBase::virtual_hook( id, data ); }
#include "kcolordialog.moc"
//#endif
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