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kwin/clients/oxygen/oxygenclient.cpp
Hugo Pereira Da Costa 9ff89e1768 Added contrast pixel on titlebar text. This creates 'carved-in' font, as a possible replacement to bold. 
Implemented after discussion with pinheiro.

svn path=/trunk/KDE/kdebase/workspace/; revision=1048886
2009-11-14 04:19:09 +00:00

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//////////////////////////////////////////////////////////////////////////////
// oxygenclient.cpp
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
// Copyright (c) 2006, 2007 Casper Boemann <cbr@boemann.dk>
// Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "oxygenclient.h"
#include "oxygenclient.moc"
#include "oxygen.h"
#include "oxygenbutton.h"
#include "oxygensizegrip.h"
#include "lib/tileset.h"
#include <cassert>
#include <cmath>
#include <kdeversion.h>
#include <KLocale>
#include <KColorUtils>
#include <KDebug>
#include <QtGui/QLabel>
#include <QtGui/QPainter>
#include <QtGui/QApplication>
namespace Oxygen
{
//___________________________________________
void renderDot(QPainter *p, const QPointF &point, qreal diameter)
{
p->drawEllipse(QRectF(point.x()-diameter/2, point.y()-diameter/2, diameter, diameter));
}
//_________________________________________________________
QColor reduceContrast(const QColor &c0, const QColor &c1, double t)
{
double s = KColorUtils::contrastRatio(c0, c1);
if (s < t)
return c1;
double l = 0.0, h = 1.0;
double x = s, a;
QColor r = c1;
for (int maxiter = 16; maxiter; --maxiter)
{
a = 0.5 * (l + h);
r = KColorUtils::mix(c0, c1, a);
x = KColorUtils::contrastRatio(c0, r);
if (fabs(x - t) < 0.01) break;
if (x > t) h = a;
else l = a;
}
return r;
}
//___________________________________________
OxygenClient::OxygenClient(KDecorationBridge *b, OxygenFactory *f):
KCommonDecorationUnstable(b, f),
factory_( f ),
sizeGrip_( 0 ),
timeLine_( 200, this ),
titleTimeLine_( 200, this ),
initialized_( false )
{}
//___________________________________________
OxygenClient::~OxygenClient()
{
// delete sizegrip if any
if( hasSizeGrip() ) deleteSizeGrip();
}
//___________________________________________
QString OxygenClient::visibleName() const
{ return i18n("Oxygen"); }
//___________________________________________
void OxygenClient::init()
{
KCommonDecoration::init();
widget()->setAttribute(Qt::WA_NoSystemBackground );
widget()->setAutoFillBackground( false );
// initialize timeLine
timeLine_.setFrameRange( maxAnimationIndex/5, maxAnimationIndex );
timeLine_.setCurveShape( QTimeLine::EaseOutCurve );
connect( &timeLine_, SIGNAL( frameChanged( int ) ), widget(), SLOT( update() ) );
connect( &timeLine_, SIGNAL( finished() ), widget(), SLOT( update() ) );
// initialize titleTimeLine
titleTimeLine_.setFrameRange( 0, maxAnimationIndex );
titleTimeLine_.setCurveShape( QTimeLine::EaseInOutCurve );
connect( &titleTimeLine_, SIGNAL( frameChanged( int ) ), widget(), SLOT( update() ) );
connect( &titleTimeLine_, SIGNAL( finished() ), widget(), SLOT( update() ) );
connect( &titleTimeLine_, SIGNAL( finished() ), this, SLOT( updateOldCaption() ) );
initialized_ = true;
// in case of preview, one wants to make the label used
// for the central widget transparent. This allows one to have
// the correct background (with gradient) rendered
// Remark: this is minor (and safe) a hack.
// This should be moved upstream (into kwin/lib/kdecoration)
if( isPreview() )
{
QList<QLabel*> children( widget()->findChildren<QLabel*>() );
for( QList<QLabel*>::iterator iter = children.begin(); iter != children.end(); ++iter )
{ (*iter)->setAutoFillBackground( false ); }
}
resetConfiguration();
}
//___________________________________________
void OxygenClient::reset( unsigned long changed )
{
if( changed & SettingCompositing )
{
updateWindowShape();
widget()->update();
}
KCommonDecorationUnstable::reset( changed );
}
//___________________________________________
bool OxygenClient::decorationBehaviour(DecorationBehaviour behaviour) const
{
switch (behaviour)
{
case DB_MenuClose:
return true;
case DB_WindowMask:
return false;
default:
return KCommonDecoration::decorationBehaviour(behaviour);
}
}
//_________________________________________________________
KCommonDecorationButton *OxygenClient::createButton(::ButtonType type)
{
switch (type) {
case MenuButton:
return new OxygenButton(*this, i18n("Menu"), ButtonMenu);
case HelpButton:
return new OxygenButton(*this, i18n("Help"), ButtonHelp);
case MinButton:
return new OxygenButton(*this, i18n("Minimize"), ButtonMin);
case MaxButton:
return new OxygenButton(*this, i18n("Maximize"), ButtonMax);
case CloseButton:
return new OxygenButton(*this, i18n("Close"), ButtonClose);
case AboveButton:
return new OxygenButton(*this, i18n("Keep Above Others"), ButtonAbove);
case BelowButton:
return new OxygenButton(*this, i18n("Keep Below Others"), ButtonBelow);
case OnAllDesktopsButton:
return new OxygenButton(*this, i18n("On All Desktops"), ButtonSticky);
case ShadeButton:
return new OxygenButton(*this, i18n("Shade Button"), ButtonShade);
default:
return 0;
}
}
//_________________________________________________________
QRegion OxygenClient::calcMask( void ) const
{
if( isMaximized() )
{ return widget()->rect(); }
QRect frame( widget()->rect().adjusted(
layoutMetric( LM_OuterPaddingLeft ), layoutMetric( LM_OuterPaddingTop ),
-layoutMetric( LM_OuterPaddingRight ), -layoutMetric( LM_OuterPaddingBottom ) ) );
if( configuration().frameBorder() == OxygenConfiguration::BorderNone && !isShade() ) return helper().roundedMask( frame, 1, 1, 1, 0 );
else return helper().roundedMask( frame );
}
//___________________________________________
int OxygenClient::layoutMetric(LayoutMetric lm, bool respectWindowState, const KCommonDecorationButton *btn) const
{
bool maximized( isMaximized() );
bool narrowSpacing( configuration().useNarrowButtonSpacing() );
int frameBorder( configuration().frameBorder() );
int buttonSize( configuration().hideTitleBar() ? 0 : configuration().buttonSize() );
switch (lm)
{
case LM_BorderLeft:
case LM_BorderRight:
case LM_BorderBottom:
{
int border( 0 );
if( respectWindowState && maximized )
{
border = 0;
} else if( lm == LM_BorderBottom && frameBorder >= OxygenConfiguration::BorderNoSide ) {
// for tiny border, the convention is to have a larger bottom area in order to
// make resizing easier
border = qMax(frameBorder, 4);
} else if( frameBorder < OxygenConfiguration::BorderTiny ) {
border = 0;
} else if( !compositingActive() && frameBorder == OxygenConfiguration::BorderTiny ) {
border = qMax( frameBorder, 3 );
} else {
border = frameBorder;
}
return border;
}
case LM_TitleEdgeTop:
{
int border = 0;
if( frameBorder == OxygenConfiguration::BorderNone && configuration().hideTitleBar() )
{
border = 0;
} else if( !( respectWindowState && maximized )) {
border = TFRAMESIZE;
}
return border;
}
case LM_TitleEdgeBottom:
{
return 0;
}
case LM_TitleEdgeLeft:
case LM_TitleEdgeRight:
{
int border = 0;
if( !(respectWindowState && maximized) )
{ border = 4; }
return border;
}
case LM_TitleBorderLeft:
case LM_TitleBorderRight:
{
int border = 5;
// if title outline is to be drawn, one adds the space needed to
// separate title and tab border. namely the same value
if( configuration().drawTitleOutline() ) border += border;
return border;
}
case LM_ButtonWidth:
case LM_ButtonHeight:
case LM_TitleHeight:
{
return buttonSize;
}
case LM_ButtonSpacing:
return narrowSpacing ? 1:3;
case LM_ButtonMarginTop:
return 0;
// outer margin for shadow/glow
case LM_OuterPaddingLeft:
case LM_OuterPaddingRight:
case LM_OuterPaddingTop:
case LM_OuterPaddingBottom:
return shadowCache().shadowSize();
default:
return KCommonDecoration::layoutMetric(lm, respectWindowState, btn);
}
}
//_________________________________________________________
QRect OxygenClient::titleBoundingRect( QPainter* painter, const QRect& rect, const QString& caption ) const
{
// get title bounding rect
QRect boundingRect = painter->boundingRect( rect, configuration().titleAlignment() | Qt::AlignVCenter, caption );
// adjust to make sure bounding rect
// 1/ has same vertical alignment as original titleRect
// 2/ does not exceeds available horizontal space
boundingRect.setTop( rect.top() );
boundingRect.setBottom( rect.bottom() );
if( rect.left() > boundingRect.left() ) { boundingRect.setLeft( rect.left() ); }
if( rect.right() < boundingRect.right() ) { boundingRect.setRight( rect.right() ); }
return boundingRect;
}
//_________________________________________________________
QColor OxygenClient::titlebarTextColor(const QPalette &palette)
{
if( timeLineIsRunning() ) return KColorUtils::mix(
titlebarTextColor( palette, false ),
titlebarTextColor( palette, true ),
opacity() );
else return titlebarTextColor( palette, isActive() );
}
//_________________________________________________________
QColor OxygenClient::titlebarTextColor(const QPalette &palette, bool active)
{
if( active ){
return palette.color(QPalette::Active, QPalette::WindowText);
} else {
// todo: reimplement cache
QColor ab = palette.color(QPalette::Active, QPalette::Window);
QColor af = palette.color(QPalette::Active, QPalette::WindowText);
QColor nb = palette.color(QPalette::Inactive, QPalette::Window);
QColor nf = palette.color(QPalette::Inactive, QPalette::WindowText);
return reduceContrast(nb, nf, qMax(qreal(2.5), KColorUtils::contrastRatio(ab, KColorUtils::mix(ab, af, 0.4))));
}
}
//_________________________________________________________
QColor OxygenClient::titlebarContrastColor(const QPalette &palette)
{
if( timeLineIsRunning() ) return KColorUtils::mix(
titlebarContrastColor( palette, false ),
titlebarContrastColor( palette, true ),
opacity() );
else return titlebarContrastColor( palette, isActive() );
}
//_________________________________________________________
QColor OxygenClient::titlebarContrastColor(const QPalette &palette, bool active)
{ return helper().calcLightColor( palette.color( widget()->window()->backgroundRole() ) ); }
//_________________________________________________________
void OxygenClient::renderWindowBackground( QPainter* painter, const QRect& rect, const QWidget* widget, const QPalette& palette ) const
{
if( configuration().blendColor() == OxygenConfiguration::NoBlending )
{
painter->fillRect( rect, palette.color( widget->window()->backgroundRole() ) );
} else {
int offset = layoutMetric( LM_OuterPaddingTop );
int height = 64 + configuration().buttonSize() - 22;
const QWidget* window( isPreview() ? OxygenClient::widget() : widget->window() );
helper().renderWindowBackground(painter, rect, widget, window, palette, offset, height );
}
}
//_________________________________________________________
void OxygenClient::renderWindowBorder( QPainter* painter, const QRect& clipRect, const QWidget* widget, const QPalette& palette ) const
{
// check if outline is needed
if( !( isActive() && configuration().drawTitleOutline() ) ) return;
// get coordinates relative to the client area
// this is annoying. One could use mapTo if this was taking const QWidget* and not
// const QWidget* as argument.
const QWidget* window = (isPreview()) ? OxygenClient::widget() : widget->window();
const QWidget* w = widget;
QPoint position( 0, 0 );
while ( w != window && !w->isWindow() && w != w->parentWidget() )
{
position += w->geometry().topLeft();
w = w->parentWidget();
}
// save painter
if( clipRect.isValid() )
{
painter->save();
painter->setClipRegion(clipRect,Qt::IntersectClip);
}
QRect r = (isPreview()) ? OxygenClient::widget()->rect():window->rect();
qreal shadowSize( shadowCache().shadowSize() );
r.adjust( shadowSize, shadowSize, -shadowSize, -shadowSize );
r.adjust(0,0, 1, 1);
// base color
QColor color( palette.window().color() );
// title height
int titleHeight( layoutMetric( LM_TitleEdgeTop ) + layoutMetric( LM_TitleEdgeBottom ) + layoutMetric( LM_TitleHeight ) );
// horizontal line
{
int shadowSize = 7;
int height = shadowSize-3;
QPoint topLeft( r.topLeft()+QPoint(0,titleHeight-height)-position );
QRect rect( topLeft, QSize( r.width(), height ) );
// adjustements to cope with shadow size and outline border.
rect.adjust( -shadowSize, 0, shadowSize-1, 0 );
if( configuration().frameBorder() > OxygenConfiguration::BorderTiny && configuration().drawTitleOutline() && isActive() && !isMaximized() )
{ rect.adjust( HFRAMESIZE-1, 0, -HFRAMESIZE+1, 0 ); }
helper().slab( color, 0, shadowSize )->render( rect, painter, TileSet::Top );
}
if( configuration().drawTitleOutline() )
{
// save mask and frame to where
// grey window background is to be rendered
QRegion mask;
QRect frame;
// bottom line
int leftOffset = qMin( layoutMetric( LM_BorderLeft ), int(HFRAMESIZE) );
int rightOffset = qMin( layoutMetric( LM_BorderRight ), int(HFRAMESIZE) );
if( configuration().frameBorder() > OxygenConfiguration::BorderNone )
{
int height = qMax( 0, layoutMetric( LM_BorderBottom ) - HFRAMESIZE );
int width = r.width() - leftOffset - rightOffset - 1;
QRect rect( r.bottomLeft()-position + QPoint( leftOffset, -layoutMetric( LM_BorderBottom ) ), QSize( width, height ) );
if( height > 0 ) { mask += rect; frame |= rect; }
QColor shadow( helper().calcDarkColor( color ) );
painter->setPen( shadow );
painter->drawLine( rect.bottomLeft()+QPoint(0,1), rect.bottomRight()+QPoint(0,1) );
}
// left and right
int topOffset = titleHeight;
int bottomOffset = qMin( layoutMetric( LM_BorderBottom ), int(HFRAMESIZE) );
int height = r.height() - topOffset - bottomOffset - 1;
if( configuration().frameBorder() >= OxygenConfiguration::BorderTiny )
{
QColor shadow( helper().calcLightColor( color ) );
painter->setPen( shadow );
// left
int width = qMax( 0, layoutMetric( LM_BorderLeft ) - HFRAMESIZE );
QRect rect( r.topLeft()-position + QPoint( layoutMetric( LM_BorderLeft ) - width, topOffset ), QSize( width, height ) );
if( width > 0 ) { mask += rect; frame |= rect; }
painter->drawLine( rect.topLeft()-QPoint(1,0), rect.bottomLeft()-QPoint(1, 0) );
// right
width = qMax( 0, layoutMetric( LM_BorderRight ) - HFRAMESIZE );
rect = QRect(r.topRight()-position + QPoint( -layoutMetric( LM_BorderRight ), topOffset ), QSize( width, height ));
if( width > 0 ) { mask += rect; frame |= rect; }
painter->drawLine( rect.topRight()+QPoint(1,0), rect.bottomRight()+QPoint(1, 0) );
}
// in preview mode also adds center square
if( isPreview() )
{
QRect rect( r.topLeft()-position + QPoint( layoutMetric( LM_BorderLeft ), topOffset ), QSize(r.width()-layoutMetric( LM_BorderLeft )-layoutMetric( LM_BorderRight ),height) );
mask += rect; frame |= rect;
}
// paint
if( !mask.isEmpty() )
{
painter->setClipRegion( mask, Qt::IntersectClip);
renderWindowBackground(painter, frame, widget, palette );
}
}
// restore painter
if( clipRect.isValid() )
{ painter->restore(); }
}
//_________________________________________________________
void OxygenClient::renderSeparator( QPainter* painter, const QRect& clipRect, const QWidget* widget, const QColor& color ) const
{
const QWidget* window = (isPreview()) ? OxygenClient::widget() : widget->window();
// get coordinates relative to the client area
// this is annoying. One could use mapTo if this was taking const QWidget* and not
// const QWidget* as argument.
QPoint position( 0, 0 );
{
const QWidget* w = widget;
while ( w != window && !w->isWindow() && w != w->parentWidget() ) {
position += w->geometry().topLeft();
w = w->parentWidget();
}
}
// setup painter
if (clipRect.isValid())
{
painter->save();
painter->setClipRegion(clipRect,Qt::IntersectClip);
}
QRect r = (isPreview()) ? OxygenClient::widget()->rect():window->rect();
qreal shadowSize( shadowCache().shadowSize() );
r.adjust( shadowSize, shadowSize, -shadowSize, -shadowSize );
// dimensions
const int titleHeight = layoutMetric(LM_TitleHeight);
const int titleTop = layoutMetric(LM_TitleEdgeTop) + r.top();
QColor local( color );
if( timeLineIsRunning() ) local = helper().alphaColor( color, opacity() );
helper().drawSeparator( painter, QRect(r.top(), titleTop+titleHeight-1.5, r.width(), 2).translated( -position ), local, Qt::Horizontal);
if (clipRect.isValid()) { painter->restore(); }
}
//_________________________________________________________
void OxygenClient::renderTitleOutline( QPainter* painter, const QRect& rect, const QPalette& palette ) const
{
// center (for active windows only)
{
painter->save();
int offset = 2;
int voffset = 1;
QRect adjustedRect( rect.adjusted( offset, voffset, -offset, 1 ) );
// prepare painter mask
QRegion mask( adjustedRect.adjusted( 1, 0, -1, 0 ) );
mask += adjustedRect.adjusted( 0, 1, 0, 0 );
painter->setClipRegion( mask, Qt::IntersectClip );
// draw window background
renderWindowBackground(painter, adjustedRect, widget(), palette );
painter->restore();
}
// shadow
int shadowSize = 7;
int offset = -2;
int voffset = 5-shadowSize;
QRect adjustedRect( rect.adjusted(offset, voffset, -offset, shadowSize) );
helper().slab( palette.color( widget()->backgroundRole() ), 0, shadowSize )->render( adjustedRect, painter, TileSet::Top|TileSet::Left|TileSet::Right );
}
//_________________________________________________________
void OxygenClient::renderTitleText( QPainter* painter, const QRect& rect, const QColor& color, const QColor& contrast ) const
{
if( titleTimeLineIsRunning() )
{
if( !oldCaption().isEmpty() ) {
renderTitleText(
painter, rect, oldCaption(),
helper().alphaColor( color, 1.0 - titleOpacity() ),
contrast.isValid() ? helper().alphaColor( contrast, 1.0 - titleOpacity() ):contrast );
}
if( !caption().isEmpty() ) {
renderTitleText(
painter, rect, caption(),
helper().alphaColor( color, titleOpacity() ),
contrast.isValid() ? helper().alphaColor( contrast, titleOpacity() ):contrast );
}
} else if( !caption().isEmpty() ) {
renderTitleText( painter, rect, caption(), color, contrast );
}
}
//_______________________________________________________________________
void OxygenClient::renderTitleText( QPainter* painter, const QRect& rect, const QString& caption, const QColor& color, const QColor& contrast ) const
{
Qt::Alignment alignment( configuration().titleAlignment() | Qt::AlignVCenter );
QString local( QFontMetrics( painter->font() ).elidedText( caption, Qt::ElideRight, rect.width() ) );
if( contrast.isValid() )
{
painter->setPen( contrast );
painter->translate( 0, 1 );
painter->drawText( rect, alignment, local );
painter->translate( 0, -1 );
}
painter->setPen( color );
painter->drawText( rect, alignment, local );
}
//_______________________________________________________________________
void OxygenClient::renderFloatFrame( QPainter* painter, const QRect& frame, const QPalette& palette ) const
{
// shadow and resize handles
if( !isMaximized() )
{
if( configuration().frameBorder() >= OxygenConfiguration::BorderTiny )
{
helper().drawFloatFrame(
painter, frame, backgroundColor( widget(), palette ),
!compositingActive(), isActive() && configuration().useOxygenShadows(),
KDecoration::options()->color(ColorTitleBar)
);
} else {
// for small borders, use a frame that matches the titlebar only
QRect local( frame.topLeft(), QSize( frame.width(), layoutMetric(LM_TitleHeight) + layoutMetric(LM_TitleEdgeTop) ) );
helper().drawFloatFrame(
painter, local, backgroundColor( widget(), palette ),
false, isActive() && configuration().useOxygenShadows(),
KDecoration::options()->color(ColorTitleBar)
);
}
} else if( isShade() ) {
// for shaded maximized windows adjust frame and draw the bottom part of it
helper().drawFloatFrame(
painter, frame.adjusted( -4, 0, 4, 0 ), backgroundColor( widget(), palette ),
!( compositingActive() || configuration().frameBorder() == OxygenConfiguration::BorderNone ), isActive(),
KDecoration::options()->color(ColorTitleBar),
TileSet::Bottom
);
}
}
//____________________________________________________________________________
void OxygenClient::renderDots( QPainter* painter, const QRect& frame, const QColor& color ) const
{
if( configuration().frameBorder() >= OxygenConfiguration::BorderTiny )
{
// dimensions
int x,y,w,h;
frame.getRect(&x, &y, &w, &h);
if( isResizable() && !isShade() && !isMaximized() )
{
// Draw right side 3-dots resize handles
qreal cenY = h / 2 + y + 0.5;
qreal posX = w + x - 2.5;
painter->setPen(Qt::NoPen);
painter->setBrush( color );
renderDot( painter, QPointF(posX, cenY - 3), 1.8);
renderDot( painter, QPointF(posX, cenY), 1.8);
renderDot( painter, QPointF(posX, cenY + 3), 1.8);
}
// Draw bottom-right cornet 3-dots resize handles
if( isResizable() && !isShade() && !configuration().drawSizeGrip() )
{
painter->setPen(Qt::NoPen);
painter->setBrush( color );
painter->save();
painter->translate(x + w-9, y + h-9);
renderDot( painter, QPointF(2.5, 6.5), 1.8);
renderDot( painter, QPointF(5.5, 5.5), 1.8);
renderDot( painter, QPointF(6.5, 2.5), 1.8);
painter->restore();
}
}
}
//_________________________________________________________
void OxygenClient::activeChange( void )
{
KCommonDecorationUnstable::activeChange();
// reset animation
if( animateActiveChange() )
{
timeLine_.setDirection( isActive() ? QTimeLine::Forward : QTimeLine::Backward );
if(timeLine_.state() == QTimeLine::NotRunning )
{ timeLine_.start(); }
}
// update size grip so that it gets the right color
// also make sure it is remaped to from z stack,
// unless hidden
if( hasSizeGrip() && !(isShade() || isMaximized() ))
{
sizeGrip().activeChange();
sizeGrip().update();
}
}
//_________________________________________________________
void OxygenClient::maximizeChange( void )
{
if( hasSizeGrip() ) sizeGrip().setVisible( !( isShade() || isMaximized() ) );
KCommonDecorationUnstable::maximizeChange();
}
//_________________________________________________________
void OxygenClient::shadeChange( void )
{
if( hasSizeGrip() ) sizeGrip().setVisible( !( isShade() || isMaximized() ) );
KCommonDecorationUnstable::shadeChange();
}
//_________________________________________________________
void OxygenClient::captionChange( void )
{
KCommonDecorationUnstable::captionChange();
if( !animateTitleChange() ) return;
if( titleTimeLineIsRunning() ) titleTimeLine_.stop();
titleTimeLine_.start();
}
//_________________________________________________________
QPalette OxygenClient::backgroundPalette( const QWidget* widget, QPalette palette ) const
{
if( configuration().drawTitleOutline() )
{
if( timeLineIsRunning() )
{
QColor inactiveColor( backgroundColor( widget, palette, false ) );
QColor activeColor( backgroundColor( widget, palette, true ) );
QColor mixed( KColorUtils::mix( inactiveColor, activeColor, opacity() ) );
palette.setColor( widget->window()->backgroundRole(), mixed );
palette.setColor( QPalette::Button, mixed );
} else if( isActive() ) {
QColor color = options()->color( KDecorationDefines::ColorTitleBar, true );
palette.setColor( widget->window()->backgroundRole(), color );
palette.setColor( QPalette::Button, color );
}
}
return palette;
}
//_________________________________________________________
QColor OxygenClient::backgroundColor( const QWidget* widget, QPalette palette, bool active ) const
{
return ( configuration().drawTitleOutline() && active ) ?
options()->color( KDecorationDefines::ColorTitleBar, true ):
palette.color( widget->window()->backgroundRole() );
}
//_________________________________________________________
QString OxygenClient::defaultButtonsLeft() const
{ return KCommonDecoration::defaultButtonsLeft(); }
//_________________________________________________________
QString OxygenClient::defaultButtonsRight() const
{ return "HIAX"; }
//________________________________________________________________
void OxygenClient::updateWindowShape()
{
if(isMaximized() || compositingActive() ) clearMask();
else setMask( calcMask() );
}
//___________________________________________
void OxygenClient::resetConfiguration( void )
{
if( !initialized_ ) return;
configuration_ = factory_->configuration( *this );
// animations duration
timeLine_.setDuration( configuration_.animationsDuration() );
titleTimeLine_.setDuration( configuration_.animationsDuration() );
// need to update old caption
updateOldCaption();
// handle size grip
if( configuration_.drawSizeGrip() )
{
if( !hasSizeGrip() ) createSizeGrip();
} else if( hasSizeGrip() ) deleteSizeGrip();
}
//_________________________________________________________
void OxygenClient::paintEvent( QPaintEvent* event )
{
// factory
if(!( initialized_ && factory_->initialized() ) ) return;
// palette
QPalette palette = widget()->palette();
palette.setCurrentColorGroup( (isActive() ) ? QPalette::Active : QPalette::Inactive );
// painter
QPainter painter(widget());
painter.setClipRegion( event->region() );
// define frame
QRect frame = widget()->rect();
// base color
QColor color = palette.window().color();
// draw shadows
if( compositingActive() )
{
TileSet *tileSet( 0 );
if( configuration().useOxygenShadows() && timeLineIsRunning() )
{
int frame = timeLine_.currentFrame();
if( timeLine_.direction() == QTimeLine::Backward ) frame -= timeLine_.startFrame();
tileSet = shadowCache().tileSet( this, frame );
} else tileSet = shadowCache().tileSet( this );
if( !isMaximized() ) tileSet->render( frame.adjusted( 4, 4, -4, -4), &painter, TileSet::Ring);
else if( isShade() ) tileSet->render( frame.adjusted( 0, 4, 0, -4), &painter, TileSet::Bottom);
}
// adjust frame
qreal shadowSize( shadowCache().shadowSize() );
frame.adjust( shadowSize, shadowSize, -shadowSize, -shadowSize );
// adjust mask
if( compositingActive() || isPreview() )
{
if( isMaximized() ) {
painter.setClipRect( frame, Qt::IntersectClip );
} else {
// multipliers
int left = 1;
int right = 1;
int top = 1;
int bottom = 1;
// disable bottom corners when border frame is too small and window is not shaded
if( configuration().frameBorder() == OxygenConfiguration::BorderNone && !isShade() ) bottom = 0;
QRegion mask( helper().roundedRegion( frame, left, right, top, bottom ) );
// in no-border configuration, an extra pixel is added to the mask
// in order to get the corners color right in case of title highlighting.
if( configuration().frameBorder() == OxygenConfiguration::BorderNone )
{
int x, y, w, h;
frame.getRect(&x, &y, &w, &h);
mask += QRegion(x+0*left, y+4*top, w-0*(left+right), h-4*(top+bottom));
}
painter.setClipRegion( mask, Qt::IntersectClip );
}
}
// window background
renderWindowBackground( &painter, frame, widget(), backgroundPalette( widget(), palette ) );
renderWindowBorder( &painter, frame, widget(), palette );
// clipping
if( compositingActive() )
{
painter.setClipping(false);
frame.adjust(-1,-1, 1, 1);
}
// adjust frame if there are shadows
{
painter.save();
painter.setRenderHint(QPainter::Antialiasing);
// float frame
renderFloatFrame( &painter, frame, palette );
// clipping
if( compositingActive() ) painter.setClipping(false);
// resize handles
renderDots( &painter, frame, QColor(0, 0, 0, 66) );
painter.restore();
}
if( !configuration().hideTitleBar() )
{
// title bounding rect
painter.setFont( options()->font(isActive(), false) );
QRect boundingRect( titleBoundingRect( &painter, caption() ) );
if( isActive() && configuration().drawTitleOutline() )
{
renderTitleOutline( &painter, boundingRect.adjusted(
-layoutMetric( LM_TitleBorderLeft ),
-layoutMetric( LM_TitleEdgeTop ),
layoutMetric( LM_TitleBorderRight ), 0 ), palette );
}
// title text
renderTitleText( &painter, boundingRect,
titlebarTextColor( palette ),
titlebarContrastColor( palette ) );
// separator
if( drawSeparator() ) renderSeparator(&painter, frame, widget(), color );
}
}
//_________________________________________________________________
void OxygenClient::createSizeGrip( void )
{
assert( !hasSizeGrip() );
if( ( isResizable() && windowId() != 0 ) || isPreview() )
{
sizeGrip_ = new OxygenSizeGrip( this );
sizeGrip().setVisible( !( isMaximized() || isShade() ) );
}
}
//_________________________________________________________________
void OxygenClient::deleteSizeGrip( void )
{
assert( hasSizeGrip() );
sizeGrip_->deleteLater();
sizeGrip_ = 0;
}
}
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