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Diffstat (limited to 'ksirc/colorpicker.cpp')
-rw-r--r-- | ksirc/colorpicker.cpp | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/ksirc/colorpicker.cpp b/ksirc/colorpicker.cpp new file mode 100644 index 00000000..57b3de60 --- /dev/null +++ b/ksirc/colorpicker.cpp @@ -0,0 +1,342 @@ +/* This file is part of the KDE project + Copyright (C) 2001 Simon Hausmann <hausmann@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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include "colorpicker.h" +#include "ksopts.h" + +#include <qlayout.h> +#include <qpainter.h> +#include <qvbox.h> +#include <qstyle.h> +#include <qlineedit.h> +#include <qlabel.h> +#include <qpushbutton.h> + +#include <klocale.h> + +ColorPicker::ColorPicker( QWidget *parent, const char *name ) + : KDialogBase( parent, name, true /*modal*/, i18n( "Pick Color" ), + KDialogBase::Ok | KDialogBase::Cancel, + KDialogBase::Cancel ), + m_foregroundColor( -1 ), m_backgroundColor( -1 ) +{ + QVBox *mainWidget = makeVBoxMainWidget(); + + QWidget *sampleBox = new QWidget( mainWidget ); + QHBoxLayout *sampleLayout = new QHBoxLayout( sampleBox ); + + QLabel *preview = new QLabel( i18n( "Preview:" ), sampleBox ); + sampleLayout->addWidget( preview ); + + m_sample = new QLineEdit( i18n( "Sample Text" ), sampleBox ); + m_sample->setFocusPolicy( NoFocus ); + m_sample->setSizePolicy( QSizePolicy( QSizePolicy::Minimum, + m_sample->sizePolicy().verData() ) ); + sampleLayout->addWidget( m_sample ); + sampleLayout->addStretch(); + + QHBox *box = new QHBox( mainWidget ); + QLabel *description = new QLabel( i18n( "&Foreground:" ), box ); + ColorBar *foregroundColor = new ColorBar( ksopts->ircColors.toValueVector(), box ); + description->setBuddy( foregroundColor ); + + box = new QHBox( mainWidget ); + description = new QLabel( i18n( "&Background:" ), box ); + ColorBar *backgroundColor = new ColorBar( ksopts->ircColors.toValueVector(), box ); + description->setBuddy( backgroundColor ); + + QPushButton *ok = actionButton( KDialogBase::Ok ); + QPushButton *cancel = actionButton( KDialogBase::Cancel ); + + setTabOrder( foregroundColor, backgroundColor ); + setTabOrder( backgroundColor, ok ); + setTabOrder( ok, cancel ); + + ok->setAutoDefault( false ); + cancel->setAutoDefault( false ); + + connect( foregroundColor, SIGNAL( colorPicked( int ) ), + this, SLOT( setForegroundColor( int ) ) ); + connect( backgroundColor, SIGNAL( colorPicked( int ) ), + this, SLOT( setBackgroundColor( int ) ) ); + + ok->setEnabled( false ); + + updateSample(); +} + +QString ColorPicker::colorString() const +{ + assert( m_foregroundColor != -1 ); + QString res( QString::number( m_foregroundColor ) ); + if ( m_backgroundColor != -1 ) + { + res += ','; + res += QString::number( m_backgroundColor ); + } + return res; +} + +void ColorPicker::setForegroundColor( int col ) +{ + QPushButton * ok =actionButton( KDialogBase::Ok ); + assert( ok ); + ok->setEnabled( true ); + + m_foregroundColor = col; + updateSample(); +} + +void ColorPicker::setBackgroundColor( int col ) +{ + m_backgroundColor = col; + updateSample(); +} + +void ColorPicker::updateSample() +{ + QColorGroup cg( colorGroup() ); + + QColor col = ksopts->textColor; + if ( m_foregroundColor != -1 ) + col = ksopts->ircColors[ m_foregroundColor ]; + + cg.setColor( QColorGroup::Foreground, col ); + cg.setColor( QColorGroup::Text, col ); + + if ( m_backgroundColor != -1 ) + { + col = ksopts->ircColors[ m_backgroundColor ]; + cg.setColor( QColorGroup::Background, col ); + cg.setColor( QColorGroup::Base, col ); + } + + m_sample->setPalette( QPalette( cg, cg, cg ) ); +} + +ColorBar::ColorBar( const QValueVector<QColor> &colors, QWidget *parent, + const char *name ) + : QFrame( parent, name, WStaticContents | WRepaintNoErase ), + m_currentCell( -1 ), m_focusedCell( - 1 ), m_colors( colors ), + m_cellSize( 0 ) +{ + setFrameStyle( StyledPanel | Sunken ); + + updateCellSize(); + + setFocusPolicy( StrongFocus ); +} + +void ColorBar::drawContents( QPainter *p ) +{ + int x = contentsRect().x(); + int y = contentsRect().y(); + for ( unsigned int i = 0; i < m_colors.size(); ++i, x += m_cellSize ) + { + bool isCurrentCell = ( m_currentCell != -1 && + i == static_cast<uint>( m_currentCell ) ); + bool isFocusedCell = ( m_focusedCell != -1 && + i == static_cast<uint>( m_focusedCell ) ); + drawCell( p, x, y, m_colors[ i ], QString::number( i ), + isFocusedCell, isCurrentCell ); + } +} + +void ColorBar::keyPressEvent( QKeyEvent *ev ) +{ + if ( m_focusedCell == -1 ) { + QFrame::keyPressEvent( ev ); + return; + } + + switch ( ev->key() ) + { + case Key_Left: + if ( m_focusedCell > 1 ) + m_focusedCell--; + update(); + ev->accept(); + return; + case Key_Right: + if ( static_cast<uint>( m_focusedCell ) < m_colors.size() - 1 ) + m_focusedCell++; + update(); + ev->accept(); + return; + case Key_Enter: + case Key_Return: + case Key_Space: + setCurrentCell( m_focusedCell ); + update(); + ev->accept(); + return; + default: break; + } + + QFrame::keyPressEvent( ev ); +} + +void ColorBar::focusInEvent( QFocusEvent *ev ) +{ + if ( ev->reason() == QFocusEvent::Tab || + ev->reason() == QFocusEvent::Backtab ) + m_focusedCell = 0; + QFrame::focusInEvent( ev ); +} + +void ColorBar::focusOutEvent( QFocusEvent *ev ) +{ + if ( ev->reason() == QFocusEvent::Tab || + ev->reason() == QFocusEvent::Backtab || + ev->reason() == QFocusEvent::Mouse ) + m_focusedCell = -1; + QFrame::focusOutEvent( ev ); +} + +void ColorBar::fontChange( const QFont &oldFont ) +{ + updateCellSize(); + QFrame::fontChange( oldFont ); +} + +void ColorBar::styleChange( QStyle &oldStyle ) +{ + updateCellSize(); + QFrame::styleChange( oldStyle ); +} + +bool ColorBar::focusNextPrevChild( bool next ) +{ + if ( next ) + { + assert( m_focusedCell != -1 ); + + if ( static_cast<uint>( m_focusedCell ) < m_colors.size() - 1 ) + { + m_focusedCell++; + update(); + return true; + } + return QFrame::focusNextPrevChild( next ); + } + + if ( m_focusedCell > 1 ) + { + m_focusedCell--; + update(); + return true; + } + + return QFrame::focusNextPrevChild( next ); +} + +void ColorBar::mousePressEvent( QMouseEvent *ev ) +{ + const QPoint &p = ev->pos(); + if ( contentsRect().contains( p ) ) + { + m_focusedCell = p.x() / m_cellSize; + update(); + } + + QFrame::mousePressEvent( ev ); +} + +void ColorBar::mouseReleaseEvent( QMouseEvent *ev ) +{ + if ( m_focusedCell != -1 ) + { + setCurrentCell( m_focusedCell ); + update(); + } + QFrame::mouseReleaseEvent( ev ); +} + +void ColorBar::updateCellSize() +{ + setLineWidth( style().pixelMetric( QStyle::PM_DefaultFrameWidth, this ) ); + + QFontMetrics metrics( font() ); + + m_cellSize = metrics.width( QString::number( m_colors.size() ) ) + + ( s_indicatorSize * 2 ) + + ( s_focusSize * 2 ) + + ( s_innerMargin * 2 ); + + setFixedSize( QSize( ( m_colors.size() * m_cellSize ) + ( frameWidth() * 2 ), + m_cellSize + ( frameWidth() * 2 ) ) ); +} + +void ColorBar::setCurrentCell( int cell ) +{ + m_currentCell = cell; + emit colorPicked( cell ); +} + +void ColorBar::drawCell( QPainter *p, int x, int y, const QColor &color, + const QString &text, bool isFocusedCell, + bool isCurrentCell ) +{ + p->fillRect( x, y, m_cellSize, m_cellSize, color ); + + QColor penColor = black; + // ### hack + if ( color.red() < 127 && color.green() < 127 && color.blue() < 127 ) + penColor = white; + + p->setPen( penColor ); + + if ( isCurrentCell ) + { + p->fillRect( x, y, m_cellSize, s_indicatorSize, penColor ); + p->fillRect( x, y + s_indicatorSize, + s_indicatorSize, m_cellSize - ( 2 * s_indicatorSize ), penColor ); + p->fillRect( x, y + m_cellSize - s_indicatorSize, + m_cellSize, s_indicatorSize, penColor ); + p->fillRect( x + m_cellSize - s_indicatorSize, y + s_indicatorSize, + s_indicatorSize, m_cellSize - ( 2 * s_indicatorSize ), penColor ); + } + + if ( isFocusedCell ) + { + int focusRectSize = m_cellSize - ( 2 * s_indicatorSize ); + + p->fillRect( x + s_indicatorSize, y + s_indicatorSize, + focusRectSize, s_focusSize, penColor ); + p->fillRect( x + s_indicatorSize, y + s_indicatorSize + s_focusSize, + s_focusSize, focusRectSize - ( 2 * s_focusSize ), penColor ); + p->fillRect( x + s_indicatorSize, + y + m_cellSize - s_indicatorSize - s_focusSize, + focusRectSize, s_focusSize, penColor ); + p->fillRect( x + m_cellSize - s_indicatorSize - s_focusSize, + y + s_indicatorSize + s_focusSize, + s_focusSize, focusRectSize - ( 2 * s_focusSize ), penColor ); + } + + QFontMetrics metrics( p->font() ); + + int offset = ( m_cellSize / 2 ) - ( metrics.width( text ) / 2 ); + p->drawText( x + offset, y + s_focusSize + s_indicatorSize + + + metrics.ascent(), text ); +} + +#include "colorpicker.moc" + +/* vim: et sw=4 + */ |