/* * Copyright 2009-2010 Hugo Pereira Da Costa * Copyright 2008 Long Huynh Huu * Copyright 2007 Matthew Woehlke * Copyright 2007 Casper Boemann * Copyright 2007 Fredrik H?glund * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License version 2 as published by the Free Software Foundation. * * 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. */ #include "breezehelper.h" #include "breezemetrics.h" #include #include #include #include namespace Breeze { //____________________________________________________________________ Helper::Helper( KSharedConfig::Ptr config ): _config( config ), _isX11( false ) { #if HAVE_X11 // initialize X11 flag _isX11 = QGuiApplication::platformName() == QStringLiteral("xcb"); if( _isX11 ) { // create compositing screen const QString atomName( QStringLiteral( "_NET_WM_CM_S%1" ).arg( QX11Info::appScreen() ) ); _compositingManagerAtom = createAtom( atomName ); } #endif } //____________________________________________________________________ KSharedConfigPtr Helper::config() const { return _config; } //____________________________________________________________________ void Helper::loadConfig() { _viewFocusBrush = KStatefulBrush( KColorScheme::View, KColorScheme::FocusColor, _config ); _viewHoverBrush = KStatefulBrush( KColorScheme::View, KColorScheme::HoverColor, _config ); _viewNegativeTextBrush = KStatefulBrush( KColorScheme::View, KColorScheme::NegativeText, _config ); } //____________________________________________________________________ QColor Helper::frameOutlineColor( const QPalette& palette, bool mouseOver, bool hasFocus, qreal opacity, AnimationMode mode ) const { QColor outline( KColorUtils::mix( palette.color( QPalette::Window ), palette.color( QPalette::WindowText ), 0.25 ) ); // focus takes precedence over hover if( mode == AnimationFocus ) { const QColor focus( focusColor( palette ) ); const QColor hover( hoverColor( palette ) ); if( mouseOver ) outline = KColorUtils::mix( hover, focus, opacity ); else outline = KColorUtils::mix( outline, focus, opacity ); } else if( hasFocus ) { outline = focusColor( palette ); } else if( mode == AnimationHover ) { const QColor hover( hoverColor( palette ) ); outline = KColorUtils::mix( outline, hover, opacity ); } else if( mouseOver ) { outline = hoverColor( palette ); } return outline; } //____________________________________________________________________ QColor Helper::frameBackgroundColor( const QPalette& palette, QPalette::ColorGroup role ) const { return KColorUtils::mix( palette.color( role, QPalette::Window ), palette.color( role, QPalette::Base ), 0.3 ); } //____________________________________________________________________ QPalette Helper::framePalette( const QPalette& palette ) const { QPalette copy( palette ); copy.setColor( QPalette::Disabled, QPalette::Window, frameBackgroundColor( palette, QPalette::Disabled ) ); copy.setColor( QPalette::Active, QPalette::Window, frameBackgroundColor( palette, QPalette::Active ) ); copy.setColor( QPalette::Inactive, QPalette::Window, frameBackgroundColor( palette, QPalette::Inactive ) ); return copy; } //____________________________________________________________________ QColor Helper::buttonOutlineColor( const QPalette& palette, bool mouseOver, bool hasFocus, qreal opacity, AnimationMode mode ) const { QColor outline( KColorUtils::mix( palette.color( QPalette::Button ), palette.color( QPalette::ButtonText ), 0.4 ) ); if( mode == AnimationHover ) { const QColor focus( focusColor( palette ) ); const QColor hover( hoverColor( palette ) ); if( hasFocus ) outline = KColorUtils::mix( focus, hover, opacity ); else outline = KColorUtils::mix( outline, hover, opacity ); } else if( mouseOver ) { outline = hoverColor( palette ); } else if( mode == AnimationFocus ) { const QColor focus( focusColor( palette ) ); outline = KColorUtils::mix( outline, focus, opacity ); } else if( hasFocus ) { outline = focusColor( palette ); } return outline; } //____________________________________________________________________ QColor Helper::buttonBackgroundColor( const QPalette& palette, bool mouseOver, bool hasFocus, qreal opacity, AnimationMode mode ) const { QColor background( palette.color( QPalette::Button ) ); if( mode == AnimationHover ) { const QColor focus( focusColor( palette ) ); const QColor hover( hoverColor( palette ) ); if( hasFocus ) background = KColorUtils::mix( focus, hover, opacity ); } else if( mouseOver && hasFocus ) { background = hoverColor( palette ); } else if( mode == AnimationFocus ) { const QColor focus( focusColor( palette ) ); background = KColorUtils::mix( background, focus, opacity ); } else if( hasFocus ) { background = focusColor( palette ); } return background; } //____________________________________________________________________ QColor Helper::toolButtonColor( const QPalette& palette, bool mouseOver, bool hasFocus, qreal opacity, AnimationMode mode ) const { QColor outline; // hover takes precedence over focus if( mode == AnimationHover ) { const QColor hover( hoverColor( palette ) ); const QColor focus( focusColor( palette ) ); if( hasFocus ) outline = KColorUtils::mix( focus, hover, opacity ); else outline = alphaColor( hover, opacity ); } else if( mouseOver ) { outline = hoverColor( palette ); } else if( mode == AnimationFocus ) { const QColor focus( focusColor( palette ) ); outline = alphaColor( focus, opacity ); } else if( hasFocus ) { outline = focusColor( palette ); } return outline; } //____________________________________________________________________ QColor Helper::sliderOutlineColor( const QPalette& palette, bool mouseOver, bool hasFocus, qreal opacity, AnimationMode mode ) const { QColor outline( KColorUtils::mix( palette.color( QPalette::Window ), palette.color( QPalette::WindowText ), 0.5 ) ); // hover takes precedence over focus if( mode == AnimationHover ) { const QColor hover( hoverColor( palette ) ); const QColor focus( focusColor( palette ) ); if( hasFocus ) outline = KColorUtils::mix( focus, hover, opacity ); else outline = KColorUtils::mix( outline, hover, opacity ); } else if( mouseOver ) { outline = hoverColor( palette ); } else if( mode == AnimationFocus ) { const QColor focus( focusColor( palette ) ); outline = KColorUtils::mix( outline, focus, opacity ); } else if( hasFocus ) { outline = focusColor( palette ); } return outline; } //______________________________________________________________________________ QColor Helper::checkBoxIndicatorColor( const QPalette& palette, bool mouseOver, bool active, qreal opacity, AnimationMode mode ) const { QColor color( KColorUtils::mix( palette.color( QPalette::Window ), palette.color( QPalette::WindowText ), 0.5 ) ); if( mode == AnimationHover ) { const QColor focus( focusColor( palette ) ); const QColor hover( hoverColor( palette ) ); if( active ) color = KColorUtils::mix( focus, hover, opacity ); else color = KColorUtils::mix( color, hover, opacity ); } else if( mouseOver ) { color = hoverColor( palette ); } else if( active ) { color = focusColor( palette ); } return color; } //______________________________________________________________________________ QColor Helper::separatorColor( const QPalette& palette ) const { return KColorUtils::mix( palette.color( QPalette::Window ), palette.color( QPalette::WindowText ), 0.25 ); } //______________________________________________________________________________ QPalette Helper::disabledPalette( const QPalette& source, qreal ratio ) const { QPalette out( source ); out.setColor( QPalette::Background, KColorUtils::mix( source.color( QPalette::Active, QPalette::Background ), source.color( QPalette::Disabled, QPalette::Background ), 1.0-ratio ) ); out.setColor( QPalette::Highlight, KColorUtils::mix( source.color( QPalette::Active, QPalette::Highlight ), source.color( QPalette::Disabled, QPalette::Highlight ), 1.0-ratio ) ); out.setColor( QPalette::WindowText, KColorUtils::mix( source.color( QPalette::Active, QPalette::WindowText ), source.color( QPalette::Disabled, QPalette::WindowText ), 1.0-ratio ) ); out.setColor( QPalette::ButtonText, KColorUtils::mix( source.color( QPalette::Active, QPalette::ButtonText ), source.color( QPalette::Disabled, QPalette::ButtonText ), 1.0-ratio ) ); out.setColor( QPalette::Text, KColorUtils::mix( source.color( QPalette::Active, QPalette::Text ), source.color( QPalette::Disabled, QPalette::Text ), 1.0-ratio ) ); out.setColor( QPalette::Button, KColorUtils::mix( source.color( QPalette::Active, QPalette::Button ), source.color( QPalette::Disabled, QPalette::Button ), 1.0-ratio ) ); return out; } //____________________________________________________________________ QColor Helper::alphaColor( QColor color, qreal alpha ) { if( alpha >= 0 && alpha < 1.0 ) { color.setAlphaF( alpha*color.alphaF() ); } return color; } //______________________________________________________________________________ void Helper::renderDebugRect( QPainter* painter, const QRect& rect ) const { painter->save(); painter->setRenderHints( QPainter::Antialiasing ); painter->setBrush( Qt::NoBrush ); painter->setPen( Qt::red ); painter->drawRect( QRectF( rect ).adjusted( 0.5, 0.5, -0.5, -0.5 ) ); painter->restore(); } //______________________________________________________________________________ void Helper::renderFrame( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, bool focus ) const { painter->setRenderHint( QPainter::Antialiasing ); const QRectF baseRect( rect ); if( color.isValid() ) { // content const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawRoundedRect( baseRect.adjusted( 1, 1, -1, -1 ), radius, radius ); } if( outline.isValid() ) { // outline if( focus ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->setPen( QPen( outline, 2 ) ); painter->setBrush( Qt::NoBrush ); painter->drawRoundedRect( baseRect.adjusted( 1, 1, -1, -1 ), radius, radius ); } else { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); painter->setPen( QPen( outline, 1 ) ); painter->setBrush( Qt::NoBrush ); painter->drawRoundedRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ), radius, radius ); } } } //______________________________________________________________________________ void Helper::renderMenuFrame( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, bool roundCorners ) const { painter->setRenderHint( QPainter::Antialiasing ); const QRectF baseRect( rect ); if( color.isValid() ) { // content painter->setPen( Qt::NoPen ); painter->setBrush( color ); if( roundCorners ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->drawRoundedRect( baseRect, radius, radius ); } else { painter->drawRect( baseRect ); } } if( outline.isValid() ) { painter->setPen( QPen( outline, 1 ) ); painter->setBrush( Qt::NoBrush ); if( roundCorners ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); painter->drawRoundedRect( baseRect.adjusted( 0.5, 0.5, -0.5, -0.5 ), radius, radius ); } else { painter->drawRect( baseRect.adjusted( 0.5, 0.5, -0.5, -0.5 ) ); } } } //______________________________________________________________________________ void Helper::renderButtonFrame( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, const QColor& shadow, bool focus, bool sunken ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); // copy rect QRectF baseRect( rect ); // shadow if( !sunken ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); painter->setPen( QPen( shadow, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF shadowRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ).translated( 0, 0.5 ) ); painter->drawRoundedRect( shadowRect, radius, radius ); } // content { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->setPen( Qt::NoPen ); const QRectF contentRect( baseRect.adjusted( 1, 1, -1, -1 ) ); QLinearGradient gradient( contentRect.topLeft(), contentRect.bottomLeft() ); gradient.setColorAt( 0, color.lighter( focus ? 103:101 ) ); gradient.setColorAt( 1, color.darker( focus ? 110:103 ) ); painter->setBrush( gradient ); painter->drawRoundedRect( contentRect, radius, radius ); } // outline if( outline.isValid() ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); painter->setPen( QPen( outline, 1 ) ); painter->setBrush( Qt::NoBrush ); const QRectF outlineRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ) ); painter->drawRoundedRect( outlineRect, radius, radius ); } } //______________________________________________________________________________ void Helper::renderToolButtonFrame( QPainter* painter, const QRect& rect, const QColor& color, bool sunken ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); // do nothing for invalid color if( !color.isValid() ) return; const QRectF baseRect( rect ); if( sunken ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->setPen( Qt::NoPen ); painter->setBrush( color ); const QRectF contentRect( baseRect.adjusted( 1, 1, -1, -1 ) ); painter->drawRoundedRect( baseRect, radius, radius ); } else { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1.0 ); painter->setPen( color ); painter->setBrush( Qt::NoBrush ); const QRectF outlineRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ) ); painter->drawRoundedRect( outlineRect, radius, radius ); } } //______________________________________________________________________________ void Helper::renderToolBoxFrame( QPainter* painter, const QRect& rect, int tabWidth, const QColor& outline ) const { if( !outline.isValid() ) return; // round radius const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1.0 ); const QSizeF cornerSize( 2*radius, 2*radius ); QRectF baseRect( rect ); baseRect.adjust( 0.5, 0.5, -0.5, -0.5 ); // create path QPainterPath path; path.moveTo( 0, baseRect.height()-1 ); path.lineTo( ( baseRect.width() - tabWidth )/2 - radius, baseRect.height()-1 ); path.arcTo( QRectF( QPointF( ( baseRect.width() - tabWidth )/2 - 2*radius, baseRect.height()-1 - 2*radius ), cornerSize ), 270, 90 ); path.lineTo( ( baseRect.width() - tabWidth )/2, radius ); path.arcTo( QRectF( QPointF( ( baseRect.width() - tabWidth )/2, 0 ), cornerSize ), 180, -90 ); path.lineTo( ( baseRect.width() + tabWidth )/2 -1 - radius, 0 ); path.arcTo( QRectF( QPointF( ( baseRect.width() + tabWidth )/2 -1 - 2*radius, 0 ), cornerSize ), 90, -90 ); path.lineTo( ( baseRect.width() + tabWidth )/2 -1, baseRect.height()-1 - radius ); path.arcTo( QRectF( QPointF( ( baseRect.width() + tabWidth )/2 -1, baseRect.height()-1 - 2*radius ), cornerSize ), 180, 90 ); path.lineTo( baseRect.width()-1, baseRect.height()-1 ); // render painter->setRenderHints( QPainter::Antialiasing ); painter->setBrush( Qt::NoBrush ); painter->setPen( outline ); painter->translate( baseRect.topLeft() ); painter->drawPath( path ); return; } //______________________________________________________________________________ void Helper::renderTabWidgetFrame( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, Corners corners ) const { painter->setRenderHint( QPainter::Antialiasing ); const QRectF baseRect( rect ); if( color.isValid() ) { // content const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); const QRectF contentRect( baseRect.adjusted( 1, 1, -1, -1 ) ); QPainterPath path( roundedPath( contentRect, radius, corners ) ); painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawPath( path ); } if( outline.isValid() ) { // outline const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); const QRectF outlineRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ) ); QPainterPath path( roundedPath( outlineRect, radius, corners ) ); painter->setPen( QPen( outline, 1 ) ); painter->setBrush( Qt::NoBrush ); painter->drawPath( path ); } } //______________________________________________________________________________ void Helper::renderSelection( QPainter* painter, const QRect& rect, const QColor& color, Corners corners ) const { painter->setRenderHint( QPainter::Antialiasing ); const QRectF baseRect( rect ); if( color.isValid() ) { // content const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); const QRectF contentRect( baseRect ); QPainterPath path( roundedPath( contentRect, radius, corners ) ); painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawPath( path ); } } //______________________________________________________________________________ void Helper::renderSeparator( QPainter* painter, const QRect& rect, const QColor& color, bool vertical ) const { painter->setRenderHint( QPainter::Antialiasing, false ); painter->setBrush( Qt::NoBrush ); painter->setPen( color ); if( vertical ) { painter->translate( rect.width()/2, 0 ); painter->drawLine( rect.topLeft(), rect.bottomLeft() ); } else { painter->translate( 0, rect.height()/2 ); painter->drawLine( rect.topLeft(), rect.topRight() ); } return; } //______________________________________________________________________________ void Helper::renderCheckBox( QPainter* painter, const QRect& rect, const QColor& color, const QColor& shadow, bool sunken, CheckBoxState state ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); // copy rect QRectF baseRect( rect ); // shadow if( !sunken ) { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 1 ); painter->setPen( QPen( shadow, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF shadowRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ).translated( 0, 0.5 ) ); painter->drawRoundedRect( shadowRect, radius, radius ); } // content { const qreal radius( qreal( Metrics::Frame_FrameRadius ) - 0.5 ); painter->setPen( QPen( color, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF contentRect( baseRect.adjusted( 2, 2, -2, -2 ) ); painter->drawRoundedRect( contentRect, radius, radius ); } // mark if( state == CheckOn ) { painter->setBrush( color ); painter->setPen( Qt::NoPen ); const QRectF markerRect( baseRect.adjusted( 5, 5, -5, -5 ) ); painter->drawRect( markerRect ); } else if( state == CheckPartial ) { QPen pen( color, 2 ); pen.setJoinStyle( Qt::MiterJoin ); painter->setPen( pen ); const QRectF markerRect( baseRect.adjusted( 6, 6, -6, -6 ) ); painter->drawRect( markerRect ); painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->setRenderHint( QPainter::Antialiasing, false ); QPainterPath path; path.moveTo( 5, 5 ); path.lineTo( qreal( Metrics::CheckBox_Size ) -6, 5 ); path.lineTo( 5, qreal( Metrics::CheckBox_Size ) - 6 ); painter->drawPath( path.translated( rect.topLeft() ) ); } } //______________________________________________________________________________ void Helper::renderRadioButton( QPainter* painter, const QRect& rect, const QColor& color, const QColor& shadow, bool sunken, bool checked ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); QRectF baseRect( rect ); // shadow if( !sunken ) { painter->setPen( QPen( shadow, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF shadowRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ).translated( 0, 0.5 ) ); painter->drawEllipse( shadowRect ); } // content { painter->setPen( QPen( color, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF contentRect( baseRect.adjusted( 2, 2, -2, -2 ) ); painter->drawEllipse( contentRect ); } // mark if( checked ) { painter->setBrush( color ); painter->setPen( Qt::NoPen ); const QRectF markerRect( baseRect.adjusted( 5, 5, -5, -5 ) ); painter->drawEllipse( markerRect ); } } //______________________________________________________________________________ void Helper::renderSliderGroove( QPainter* painter, const QRect& rect, const QColor& color ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); const qreal radius( 0.5*Metrics::Slider_Thickness ); // content if( color.isValid() ) { painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawRoundedRect( baseRect, radius, radius ); } return; } //______________________________________________________________________________ void Helper::renderDialGroove( QPainter* painter, const QRect& rect, const QColor& color ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); // content if( color.isValid() ) { const qreal penWidth( Metrics::Slider_Thickness ); const QRectF grooveRect( rect.adjusted( penWidth/2, penWidth/2, -penWidth/2, -penWidth/2 ) ); painter->setPen( QPen( color, penWidth ) ); painter->setBrush( Qt::NoBrush ); painter->drawEllipse( grooveRect ); } return; } //______________________________________________________________________________ void Helper::renderDialContents( QPainter* painter, const QRect& rect, const QColor& color, qreal first, qreal second ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); // content if( color.isValid() ) { // setup groove rect const qreal penWidth( Metrics::Slider_Thickness ); const QRectF grooveRect( rect.adjusted( penWidth/2, penWidth/2, -penWidth/2, -penWidth/2 ) ); // setup angles const int angleStart( first * 180 * 16 / M_PI ); const int angleSpan( (second - first ) * 180 * 16 / M_PI ); // setup pen if( angleSpan != 0 ) { QPen pen( color, penWidth ); pen.setCapStyle( Qt::RoundCap ); painter->setPen( pen ); painter->setBrush( Qt::NoBrush ); painter->drawArc( grooveRect, angleStart, angleSpan ); } } return; } //______________________________________________________________________________ void Helper::renderSliderHandle( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, const QColor& shadow, bool focus, bool sunken ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); QRectF baseRect( rect ); // shadow if( !sunken ) { painter->setPen( QPen( shadow, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF shadowRect( baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ).translated( 0, 0.5 ) ); painter->drawEllipse( shadowRect ); } // content if( color.isValid() ) { painter->setPen( Qt::NoPen ); painter->setBrush( color ); const QRectF contentRect( baseRect.adjusted( 1, 1, -1, -1 ) ); painter->drawEllipse( contentRect ); } // outline if( outline.isValid() ) { painter->setBrush( Qt::NoBrush ); QRectF outlineRect; if( focus ) { painter->setPen( QPen( outline, 2 ) ); outlineRect = baseRect.adjusted( 2, 2, -2, -2 ); } else { painter->setPen( QPen( outline, 1 ) ); outlineRect = baseRect.adjusted( 1.5, 1.5, -1.5, -1.5 ); } painter->drawEllipse( outlineRect ); } } //______________________________________________________________________________ void Helper::renderProgressBarGroove( QPainter* painter, const QRect& rect, const QColor& color ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); const qreal radius( 0.5*Metrics::ProgressBar_Thickness ); // content if( color.isValid() ) { painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawRoundedRect( baseRect, radius, radius ); } return; } //______________________________________________________________________________ void Helper::renderProgressBarBusyContents( QPainter* painter, const QRect& rect, const QColor& first, const QColor& second, bool horizontal, bool reverse, int progress ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); const qreal radius( 0.5*Metrics::ProgressBar_Thickness ); // setup brush QPixmap pixmap( horizontal ? 2*Metrics::ProgressBar_BusyIndicatorSize : 1, horizontal ? 1:2*Metrics::ProgressBar_BusyIndicatorSize ); pixmap.fill( second ); if( horizontal ) { QPainter painter( &pixmap ); painter.setBrush( first ); painter.setPen( Qt::NoPen ); progress %= 2*Metrics::ProgressBar_BusyIndicatorSize; if( reverse ) progress = 2*Metrics::ProgressBar_BusyIndicatorSize - progress - 1; painter.drawRect( QRect( 0, 0, Metrics::ProgressBar_BusyIndicatorSize, 1 ).translated( progress, 0 ) ); if( progress > Metrics::ProgressBar_BusyIndicatorSize ) { painter.drawRect( QRect( 0, 0, Metrics::ProgressBar_BusyIndicatorSize, 1 ).translated( progress - 2*Metrics::ProgressBar_BusyIndicatorSize, 0 ) ); } } else { QPainter painter( &pixmap ); painter.setBrush( first ); painter.setPen( Qt::NoPen ); progress %= 2*Metrics::ProgressBar_BusyIndicatorSize; progress = 2*Metrics::ProgressBar_BusyIndicatorSize - progress - 1; painter.drawRect( QRect( 0, 0, 1, Metrics::ProgressBar_BusyIndicatorSize ).translated( 0, progress ) ); if( progress > Metrics::ProgressBar_BusyIndicatorSize ) { painter.drawRect( QRect( 0, 0, 1, Metrics::ProgressBar_BusyIndicatorSize ).translated( 0, progress - 2*Metrics::ProgressBar_BusyIndicatorSize ) ); } } painter->setPen( Qt::NoPen ); painter->setBrush( pixmap ); painter->drawRoundedRect( baseRect, radius, radius ); return; } //______________________________________________________________________________ void Helper::renderScrollBarHandle( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); const qreal radius( 0.5*Metrics::ScrollBar_SliderWidth ); // content if( color.isValid() ) { painter->setPen( Qt::NoPen ); painter->setBrush( color ); painter->drawRoundedRect( baseRect, radius, radius ); } // outline if( outline.isValid() ) { painter->setPen( QPen( outline, 2 ) ); painter->setBrush( Qt::NoBrush ); const QRectF outlineRect( baseRect.adjusted( 1, 1, -1, -1 ) ); painter->drawRoundedRect( outlineRect, radius - 0.5, radius - 0.5 ); } return; } //______________________________________________________________________________ void Helper::renderTabBarTab( QPainter* painter, const QRect& rect, const QColor& color, const QColor& outline, Corners corners ) const { // setup painter painter->setRenderHint( QPainter::Antialiasing, true ); const QRectF baseRect( rect ); // content if( color.isValid() ) { painter->setPen( Qt::NoPen ); painter->setBrush( color ); const qreal radius( qreal( Metrics::TabBar_TabRadius ) - 0.5 ); QPainterPath path( roundedPath( baseRect, radius, corners ) ); painter->drawPath( path ); } // outline if( outline.isValid() ) { painter->setPen( QPen( outline, 1 ) ); painter->setBrush( Qt::NoBrush ); const qreal radius( qreal( Metrics::TabBar_TabRadius ) - 1 ); QPainterPath path( roundedPath( baseRect.adjusted( 0.5, 0.5, -0.5, -0.5 ), radius, corners ) ); painter->drawPath( path ); } } //______________________________________________________________________________ QPainterPath Helper::roundedPath( const QRectF& rect, qreal radius, Corners corners ) const { QPainterPath path; // simple cases if( corners == 0 ) { path.addRect( rect ); return path; } if( corners == CornersAll ) { path.addRoundedRect( rect, radius, radius ); return path; } const QSizeF cornerSize( 2*radius, 2*radius ); // rotate counterclockwise // top left corner if( corners & CornerTopLeft ) { path.moveTo( rect.topLeft() + QPointF( radius, 0 ) ); path.arcTo( QRectF( rect.topLeft(), cornerSize ), 90, 90 ); } else path.moveTo( rect.topLeft() ); // bottom left corner if( corners & CornerBottomLeft ) { path.lineTo( rect.bottomLeft() - QPointF( 0, radius ) ); path.arcTo( QRectF( rect.bottomLeft() - QPointF( 0, 2*radius ), cornerSize ), 180, 90 ); } else path.lineTo( rect.bottomLeft() ); // bottom right corner if( corners & CornerBottomRight ) { path.lineTo( rect.bottomRight() - QPointF( radius, 0 ) ); path.arcTo( QRectF( rect.bottomRight() - QPointF( 2*radius, 2*radius ), cornerSize ), 270, 90 ); } else path.lineTo( rect.bottomRight() ); // top right corner if( corners & CornerTopRight ) { path.lineTo( rect.topRight() + QPointF( 0, radius ) ); path.arcTo( QRectF( rect.topRight() - QPointF( 2*radius, 0 ), cornerSize ), 0, 90 ); } else path.lineTo( rect.topRight() ); path.closeSubpath(); return path; } //________________________________________________________________________________________________________ bool Helper::compositingActive( void ) const { #if HAVE_X11 if( isX11() ) { // direct call to X xcb_get_selection_owner_cookie_t cookie( xcb_get_selection_owner( QX11Info::connection(), _compositingManagerAtom ) ); ScopedPointer reply( xcb_get_selection_owner_reply( QX11Info::connection(), cookie, nullptr ) ); return reply && reply->owner; } #endif // use KWindowSystem return KWindowSystem::compositingActive(); } //____________________________________________________________________ bool Helper::hasAlphaChannel( const QWidget* widget ) const { return compositingActive() && widget && widget->testAttribute( Qt::WA_TranslucentBackground ); } #if HAVE_X11 //____________________________________________________________________ xcb_atom_t Helper::createAtom( const QString& name ) const { if( isX11() ) { xcb_connection_t* connection( QX11Info::connection() ); xcb_intern_atom_cookie_t cookie( xcb_intern_atom( connection, false, name.size(), qPrintable( name ) ) ); ScopedPointer reply( xcb_intern_atom_reply( connection, cookie, nullptr) ); return reply ? reply->atom:0; } else return 0; } #endif }