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kwin/clients/oxygen/oxygenclient.cpp
Hugo Pereira Da Costa 0917db504e Added/moved itemData_.setDirty() calls to make sure clientgroupitems are reset properly in 
all cases, including when the clientGroup modification request (add,remove, ...) fails.
CCBUG: 223726

svn path=/trunk/KDE/kdebase/workspace/; revision=1081125
2010-01-27 20:10:33 +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 <KLocale>
#include <KColorUtils>
#include <QtGui/QApplication>
#include <QtGui/QLabel>
#include <QtGui/QPainter>
#include <QtGui/QBitmap>
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 ),
glowAnimation_( new Animation( 200, this ) ),
titleAnimationData_( new TitleAnimationData( this ) ),
glowIntensity_(0),
initialized_( false ),
forceActive_( false ),
mouseButton_( Qt::NoButton ),
itemData_( this ),
sourceItem_( -1 )
{}
//___________________________________________
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 );
widget()->setAcceptDrops( true );
// setup glow animation
glowAnimation().data()->setStartValue( glowBias() );
glowAnimation().data()->setEndValue( 1.0 );
glowAnimation().data()->setTargetObject( this );
glowAnimation().data()->setPropertyName( "glowIntensity" );
glowAnimation().data()->setEasingCurve( QEasingCurve::InOutQuad );
connect( glowAnimation().data(), SIGNAL( valueChanged( const QVariant& ) ), widget(), SLOT( update( void ) ) );
connect( glowAnimation().data(), SIGNAL( finished( void ) ), widget(), SLOT( update( void ) ) );
connect( glowAnimation().data(), SIGNAL( finished() ), this, SLOT( clearForceActive() ) );
// title animation data
titleAnimationData_.data()->initialize();
connect( titleAnimationData_.data(), SIGNAL( pixmapsChanged() ), widget(), SLOT( update( void ) ) );
// lists
connect( itemData_.animation().data(), SIGNAL( finished() ), this, SLOT( clearTargetItem() ) );
// 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 ); }
}
initialized_ = true;
// first reset is needed to store Oxygen configuration
reset(0);
}
//___________________________________________
void OxygenClient::reset( unsigned long changed )
{
KCommonDecorationUnstable::reset( changed );
// update window mask when compositing is changed
if( !initialized_ ) return;
if( changed & SettingCompositing )
{
updateWindowShape();
widget()->update();
}
configuration_ = factory_->configuration( *this );
// animations duration
glowAnimation().data()->setDuration( configuration_.animationsDuration() );
titleAnimationData_.data()->setDuration( configuration_.animationsDuration() );
itemData_.animation().data()->setDuration( configuration_.animationsDuration() );
// reset title transitions
titleAnimationData_.data()->reset();
// should also update animations for buttons
resetButtons();
// also reset tab buttons
for( int index = 0; index < itemData_.count(); index++ )
{
ClientGroupItemData& item( itemData_[index] );
if( item.closeButton_ ) { item.closeButton_.data()->reset(0); }
}
// reset tab geometry
itemData_.setDirty( true );
// handle size grip
if( configuration_.drawSizeGrip() )
{
if( !hasSizeGrip() ) createSizeGrip();
} else if( hasSizeGrip() ) deleteSizeGrip();
}
//___________________________________________
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: break;
}
return NULL;
}
//_________________________________________________________
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::defaultTitleRect( bool active ) const
{
QRect titleRect( OxygenClient::titleRect() );
titleRect.adjust( 0, -layoutMetric( LM_TitleEdgeTop ), 0, 0 );
if( active && configuration().drawTitleOutline() && isActive() )
{
QRect textRect( titleBoundingRect( options()->font( true, false), titleRect, caption() ) );
titleRect.setLeft( textRect.left() - layoutMetric( LM_TitleBorderLeft ) );
titleRect.setRight( textRect.right() + layoutMetric( LM_TitleBorderRight ) );
} else {
titleRect.setLeft( widget()->rect().left() + layoutMetric( LM_OuterPaddingLeft ) );
titleRect.setRight( widget()->rect().right() - layoutMetric( LM_OuterPaddingRight ) );
}
return titleRect;
}
//_________________________________________________________
QRect OxygenClient::titleBoundingRect( const QFont& font, QRect rect, const QString& caption ) const
{
// check bounding rect against titleRect
if( titleRectCanConflict() )
{
QRect titleRect( OxygenClient::titleRect() );
if( titleRect.left() > rect.left() ) { rect.setLeft( titleRect.left() ); }
if( titleRect.right() < rect.right() ) { rect.setRight( titleRect.right() ); }
}
// get title bounding rect
QRect boundingRect = QFontMetrics( font ).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() );
// check bounding rect against input rect
if( rect.left() > boundingRect.left() ) { boundingRect.setLeft( rect.left() ); }
if( rect.right() < boundingRect.right() ) { boundingRect.setRight( rect.right() ); }
return boundingRect;
}
//_________________________________________________________
void OxygenClient::clearTargetItem( void )
{
if( itemData_.animationType() == AnimationLeave )
{ itemData_.setDirty( true ); }
}
//_________________________________________________________
void OxygenClient::updateItemBoundingRects( bool alsoUpdate )
{
// make sure items are not animated
itemData_.animate( AnimationNone );
// maximum available space
QRect titleRect( OxygenClient::titleRect() );
// get tabs
int items( clientGroupItems().count() );
// make sure item data have the correct number of items
while( itemData_.count() < items ) itemData_.push_back( ClientGroupItemData() );
while( itemData_.count() > items )
{
if( itemData_.back().closeButton_ ) delete itemData_.back().closeButton_.data();
itemData_.pop_back();
}
assert( !itemData_.isEmpty() );
// create buttons
if( itemData_.count() == 1 )
{
// remove button
if( itemData_.front().closeButton_ )
{ delete itemData_.front().closeButton_.data(); }
// set active rect
itemData_.front().activeRect_ = titleRect.adjusted( 0, -layoutMetric( LM_TitleEdgeTop ), 0, 0 );
} else {
int left( titleRect.left() );
int width( titleRect.width()/items );
for( int index = 0; index < itemData_.count(); index++ )
{
ClientGroupItemData& item(itemData_[index]);
// make sure button exists
if( !item.closeButton_ )
{
item.closeButton_ = ClientGroupItemData::ButtonPointer( new OxygenButton( *this, "Close this tab", ButtonItemClose ) );
item.closeButton_.data()->show();
item.closeButton_.data()->installEventFilter( this );
}
// set active rect
QRect local( QPoint( left, titleRect.top() ), QSize( width, titleRect.height() ) );
local.adjust( 0, -layoutMetric( LM_TitleEdgeTop ), 0, 0 );
item.activeRect_ = local;
left += width;
}
}
if( itemData_.count() == 1 )
{
itemData_.front().reset( defaultTitleRect() );
} else {
for( int index = 0; index < itemData_.count(); index++ )
{ itemData_[index].reset( itemData_[index].activeRect_ ); }
}
// button activity
itemData_.updateButtonActivity( visibleClientGroupItem() );
// reset buttons location
itemData_.updateButtons( alsoUpdate );
itemData_.setDirty( false );
return;
}
//_________________________________________________________
QColor OxygenClient::titlebarTextColor(const QPalette &palette)
{
if( glowIsAnimated() ) return KColorUtils::mix(
titlebarTextColor( palette, false ),
titlebarTextColor( palette, true ),
glowIntensity() );
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))));
}
}
//_________________________________________________________
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() - OxygenConfiguration::ButtonDefault;
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( clientGroupItems().count() < 2 && !itemData_.isAnimated() && !( 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 ) );
// make titlebar background darker for tabbed, non-outline window
if( ( clientGroupItems().count() >= 2 || itemData_.isAnimated() ) && !(configuration().drawTitleOutline() && isActive() ) )
{
QPoint topLeft( r.topLeft()-position );
QRect rect( topLeft, QSize( r.width(), titleHeight ) );
QLinearGradient lg( rect.topLeft(), rect.bottomLeft() );
lg.setColorAt( 0, helper().alphaColor( Qt::black, 0.05 ) );
lg.setColorAt( 1, helper().alphaColor( Qt::black, 0.10 ) );
painter->setBrush( lg );
painter->setPen( Qt::NoPen );
painter->drawRect( rect );
}
// 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() && isActive() )
{
// 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( glowIsAnimated() ) local = helper().alphaColor( color, glowIntensity() );
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 = 1;
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 = -3;
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( !titleAnimationData_.data()->isValid() )
{
// contrast pixmap
titleAnimationData_.data()->reset(
rect,
renderTitleText( rect, caption(), color ),
renderTitleText( rect, caption(), contrast ) );
}
if( titleAnimationData_.data()->isDirty() )
{
// contrast pixmap
titleAnimationData_.data()->setPixmaps(
rect,
renderTitleText( rect, caption(), color ),
renderTitleText( rect, caption(), contrast ) );
titleAnimationData_.data()->setDirty( false );
titleAnimationData_.data()->startAnimation();
renderTitleText( painter, rect, color, contrast );
} else if( titleAnimationData_.data()->isAnimated() ) {
if( isMaximized() ) painter->translate( 0, 2 );
if( !titleAnimationData_.data()->contrastPixmap().isNull() )
{
painter->translate( 0, 1 );
painter->drawPixmap( rect.topLeft(), titleAnimationData_.data()->contrastPixmap() );
painter->translate( 0, -1 );
}
painter->drawPixmap( rect.topLeft(), titleAnimationData_.data()->pixmap() );
if( isMaximized() ) painter->translate( 0, -2 );
} 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, bool elide ) const
{
Qt::Alignment alignment( configuration().titleAlignment() | Qt::AlignVCenter );
QString local( elide ? QFontMetrics( painter->font() ).elidedText( caption, Qt::ElideRight, rect.width() ):caption );
// translate title down in case of maximized window
if( isMaximized() ) painter->translate( 0, 2 );
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 );
// translate back
if( isMaximized() ) painter->translate( 0, -2 );
}
//_______________________________________________________________________
QPixmap OxygenClient::renderTitleText( const QRect& rect, const QString& caption, const QColor& color, bool elide ) const
{
QPixmap out( rect.size() );
out.fill( Qt::transparent );
if( caption.isEmpty() || !color.isValid() ) return out;
QPainter painter( &out );
painter.setFont( options()->font(isActive(), false) );
Qt::Alignment alignment( configuration().titleAlignment() | Qt::AlignVCenter );
QString local( elide ? QFontMetrics( painter.font() ).elidedText( caption, Qt::ElideRight, rect.width() ):caption );
painter.setPen( color );
painter.drawText( out.rect(), alignment, local );
painter.end();
return out;
}
//_______________________________________________________________________
void OxygenClient::renderItem( QPainter* painter, int index, const QPalette& palette )
{
const ClientGroupItemData& item( itemData_[index] );
// see if tag is active
int itemCount( itemData_.count() );
//
if( !item.boundingRect_.isValid() ) return;
// create rect in which text is to be drawn
QRect textRect( item.boundingRect_.adjusted( 0, layoutMetric( LM_TitleEdgeTop )-1, 0, -1 ) );
// add extra space needed for title outline
if( itemCount > 1 || itemData_.isAnimated() )
{ textRect.adjust( layoutMetric( LM_TitleBorderLeft ), 0, -layoutMetric(LM_TitleBorderRight), 0 ); }
// add extra space for the button
if( itemCount > 1 && item.closeButton_ && item.closeButton_.data()->isVisible() )
{ textRect.adjust( 0, 0, - configuration().buttonSize() - layoutMetric(LM_TitleEdgeRight), 0 ); }
// check if current item is active
bool active( index == visibleClientGroupItem() );
// get current item caption and update text rect
const QList< ClientGroupItem >& items( clientGroupItems() );
QString caption( itemCount == 1 ? OxygenClient::caption() : items[index].title() );
// make sure title rect never conflicts with decoration buttons
if( titleRectCanConflict() )
{ textRect = titleBoundingRect( painter->font(), textRect, caption ); }
// title outline
if( itemCount == 1 )
{
if( itemData_.isAnimated() ) {
renderTitleOutline( painter, item.boundingRect_, palette );
} else if( (isActive()||glowIsAnimated()) && configuration().drawTitleOutline() ) {
// adjusts boundingRect accordingly
QRect boundingRect( item.boundingRect_ );
boundingRect.setLeft( textRect.left() - layoutMetric( LM_TitleBorderLeft ) );
boundingRect.setRight( textRect.right() + layoutMetric( LM_TitleBorderRight ) );
// render bounding rect around it with extra margins
renderTitleOutline( painter, boundingRect, palette );
}
} else if( active ) {
// in multiple tabs render title outline in all cases
renderTitleOutline( painter, item.boundingRect_, palette );
}
// render text
if( active || itemCount == 1 )
{
// for active tab, current caption is "merged" with old caption, if any
renderTitleText(
painter, textRect,
titlebarTextColor( palette ),
titlebarContrastColor( palette ) );
} else {
QColor background( backgroundPalette( widget(), palette ).color( widget()->window()->backgroundRole() ) );
// add extra shade (as used in renderWindowBorder
if( !( isActive() && configuration().drawTitleOutline() ) )
{ background = KColorUtils::mix( background, Qt::black, 0.10 ); }
// otherwise current caption is rendered directly
renderTitleText(
painter, textRect, caption,
titlebarTextColor( backgroundPalette( widget(), palette ), false ),
titlebarContrastColor( background ) );
}
// render separators between inactive tabs
if( !( active || itemCount == 1 ) && item.closeButton_ && item.closeButton_.data()->isVisible() )
{
// separators
// draw Left separator
QColor color( backgroundPalette( widget(), palette ).window().color() );
bool isFirstItem( index == 0 || (index == 1 && !itemData_[0].boundingRect_.isValid() ) );
if( !active && ( ( isFirstItem && buttonsLeftWidth() > 0 ) || itemData_.isTarget( index ) ) )
{
QRect local( item.boundingRect_.topLeft()+QPoint(0,2), QSize( 2, item.boundingRect_.height()-3 ) );
helper().drawSeparator( painter, local, color, Qt::Vertical);
}
// draw right separator
if(
( index == itemCount-1 && buttonsRightWidth() > 0 ) ||
( index+1 < itemCount && ( itemData_.isTarget( index+1 ) ||
!( index+1 == visibleClientGroupItem() && itemData_[index+1].boundingRect_.isValid() ) ) ) )
{
QRect local( item.boundingRect_.topRight()+QPoint(0,2), QSize( 2, item.boundingRect_.height()-3 ) );
helper().drawSeparator( painter, local, color, Qt::Vertical);
}
}
}
//_______________________________________________________________________
void OxygenClient::renderTargetRect( QPainter* p, const QPalette& palette )
{
if( itemData_.targetRect().isNull() || itemData_.isAnimationRunning() ) return;
p->save();
QColor color = palette.color(QPalette::Highlight);
p->setPen(KColorUtils::mix(color, palette.color(QPalette::Active, QPalette::WindowText)));
p->setBrush( helper().alphaColor( color, 0.5 ) );
p->drawRect( itemData_.targetRect().adjusted( 4, 2, -4, -2 ) );
p->restore();
}
//_______________________________________________________________________
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();
itemData_.setDirty( true );
// reset animation
if( animateActiveChange() )
{
glowAnimation().data()->setDirection( isActive() ? Animation::Forward : Animation::Backward );
if(!glowIsAnimated()) { glowAnimation().data()->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();
itemData_.setDirty( true );
if( animateTitleChange() )
{ titleAnimationData_.data()->setDirty( true ); }
}
//_________________________________________________________
QPalette OxygenClient::backgroundPalette( const QWidget* widget, QPalette palette ) const
{
if( configuration().drawTitleOutline() )
{
if( glowIsAnimated() && !isForcedActive() )
{
QColor inactiveColor( backgroundColor( widget, palette, false ) );
QColor activeColor( backgroundColor( widget, palette, true ) );
QColor mixed( KColorUtils::mix( inactiveColor, activeColor, glowIntensity() ) );
palette.setColor( widget->window()->backgroundRole(), mixed );
palette.setColor( QPalette::Button, mixed );
} else if( isActive() || isForcedActive() ) {
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() );
}
//______________________________________________________________________________
bool OxygenClient::eventFilter( QObject* object, QEvent* event )
{
// all dedicated event filtering is here to handle multiple tabs.
// if tabs are disabled, do nothing
if( !configuration().tabsEnabled() )
{ return KCommonDecorationUnstable::eventFilter( object, event ); }
bool state = false;
switch( event->type() )
{
case QEvent::Show:
if( widget() == object )
{ itemData_.setDirty( true ); }
break;
case QEvent::MouseButtonPress:
if( widget() == object )
{ state = mousePressEvent( static_cast< QMouseEvent* >( event ) ); }
break;
case QEvent::MouseButtonRelease:
if( widget() == object ) state = mouseReleaseEvent( static_cast< QMouseEvent* >( event ) );
else if( OxygenButton *btn = qobject_cast< OxygenButton* >( object ) )
{
QMouseEvent* mouseEvent( static_cast< QMouseEvent* >( event ) );
if( mouseEvent->button() == Qt::LeftButton && btn->rect().contains( mouseEvent->pos() ) )
{ state = closeItem( btn ); }
}
break;
case QEvent::MouseMove:
state = mouseMoveEvent( static_cast< QMouseEvent* >( event ) );
break;
case QEvent::DragEnter:
if( widget() == object )
{ state = dragEnterEvent( static_cast< QDragEnterEvent* >( event ) ); }
break;
case QEvent::DragMove:
if( widget() == object )
{ state = dragMoveEvent( static_cast< QDragMoveEvent* >( event ) ); }
break;
case QEvent::DragLeave:
if( widget() == object )
{ state = dragLeaveEvent( static_cast< QDragLeaveEvent* >( event ) ); }
break;
case QEvent::Drop:
if( widget() == object )
{ state = dropEvent( static_cast< QDropEvent* >( event ) ); }
break;
default: break;
}
return state || KCommonDecorationUnstable::eventFilter( object, event );
}
//_________________________________________________________
void OxygenClient::resizeEvent( QResizeEvent* event )
{
itemData_.setDirty( true );
KCommonDecorationUnstable::resizeEvent( event );
}
//_________________________________________________________
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() && glowIsAnimated() && !isForcedActive() )
{
int frame = maxAnimationIndex*glowIntensity();
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 );
}
}
// make sure ItemData and clientGroupItems are synchronized
/*
this needs to be done before calling RenderWindowBorder
since some painting in there depend on the clientGroups state
*/
if( itemData_.isDirty() || itemData_.count() != clientGroupItems().count() )
{ updateItemBoundingRects( false ); }
// 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 );
// resize handles
renderDots( &painter, frame, QColor(0, 0, 0, 66) );
painter.restore();
}
if( !configuration().hideTitleBar() )
{
// title bounding rect
painter.setFont( options()->font(isActive(), false) );
// draw ClientGroupItems
int itemCount( itemData_.count() );
for( int i = 0; i < itemCount; i++ ) renderItem( &painter, i, palette );
// draw target rect
renderTargetRect( &painter, widget()->palette() );
// separator
if( itemCount == 1 && !itemData_.isAnimated() && drawSeparator() )
{ renderSeparator(&painter, frame, widget(), color ); }
}
}
//_____________________________________________________________
bool OxygenClient::mousePressEvent( QMouseEvent* event )
{
QPoint point = event->pos();
if( itemClicked( point ) < 0 ) return false;
dragPoint_ = point;
mouseButton_ = event->button();
bool accepted( false );
if( buttonToWindowOperation( mouseButton_ ) == ClientGroupDragOp )
{
accepted = true;
} else if( buttonToWindowOperation( mouseButton_ ) == OperationsOp ) {
QPoint point = event->pos();
int itemClicked( OxygenClient::itemClicked( point ) );
displayClientMenu( itemClicked, widget()->mapToGlobal( event->pos() ) );
mouseButton_ = Qt::NoButton;
accepted = true; // displayClientMenu can possibly destroy the deco...
}
return accepted;
}
//_____________________________________________________________
bool OxygenClient::mouseReleaseEvent( QMouseEvent* event )
{
bool accepted( false );
if( mouseButton_ == event->button() &&
buttonToWindowOperation( mouseButton_ ) != OperationsOp )
{
QPoint point = event->pos();
int visibleItem = visibleClientGroupItem();
int itemClicked( OxygenClient::itemClicked( point ) );
if( itemClicked >= 0 && visibleItem != itemClicked )
{
setVisibleClientGroupItem( itemClicked );
setForceActive( true );
accepted = true;
}
}
mouseButton_ = Qt::NoButton;
return accepted;
}
//_____________________________________________________________
bool OxygenClient::mouseMoveEvent( QMouseEvent* event )
{
// check button and distance to drag point
if( configuration().hideTitleBar() || mouseButton_ == Qt::NoButton || ( event->pos() - dragPoint_ ).manhattanLength() <= QApplication::startDragDistance() )
{ return false; }
bool accepted( false );
if( buttonToWindowOperation( mouseButton_ ) == ClientGroupDragOp )
{
QPoint point = event->pos();
int itemClicked( OxygenClient::itemClicked( point ) );
if( itemClicked < 0 ) return false;
titleAnimationData_.data()->reset();
QDrag *drag = new QDrag( widget() );
QMimeData *groupData = new QMimeData();
groupData->setData( clientGroupItemDragMimeType(), QString().setNum( itemId( itemClicked )).toAscii() );
drag->setMimeData( groupData );
sourceItem_ = OxygenClient::itemClicked( dragPoint_ );
// get tab geometry
QRect geometry;
geometry = itemData_[itemClicked].boundingRect_;
// remove space used for buttons
if( itemData_.count() > 1 )
{
geometry.adjust( 0, 0, - configuration().buttonSize() - layoutMetric(LM_TitleEdgeRight), 0 );
} else if( !( isActive() && configuration().drawTitleOutline() ) ) {
geometry.adjust(
buttonsLeftWidth() + layoutMetric( LM_TitleEdgeLeft ) , 0,
-( buttonsRightWidth() + layoutMetric( LM_TitleEdgeRight )), 0 );
}
drag->setPixmap( itemDragPixmap( itemClicked, geometry ) );
// note: the pixmap is moved just above the pointer on purpose
// because overlapping pixmap and pointer slows down the pixmap a lot.
QPoint hotSpot( QPoint( event->pos().x() - geometry.left(), -1 ) );
// make sure the horizontal hotspot position is not too far away (more than 1px)
// from the pixmap
if( hotSpot.x() < -1 ) hotSpot.setX(-1);
if( hotSpot.x() > geometry.width() ) hotSpot.setX( geometry.width() );
drag->setHotSpot( hotSpot );
dragStartTimer_.start( 50, this );
drag->exec( Qt::MoveAction );
// detach tab from window
if( drag->target() == 0 && itemData_.count() > 1 )
{
itemData_.setDirty( true );
removeFromClientGroup( sourceItem_,
widget()->frameGeometry().adjusted(
layoutMetric( LM_OuterPaddingLeft ),
layoutMetric( LM_OuterPaddingTop ),
-layoutMetric( LM_OuterPaddingRight ),
-layoutMetric( LM_OuterPaddingBottom )
).translated( QCursor::pos() - event->pos() +
QPoint( layoutMetric( LM_OuterPaddingLeft ), layoutMetric( LM_OuterPaddingTop )))
);
}
// reset button
mouseButton_ = Qt::NoButton;
accepted = true;
}
return accepted;
}
//_____________________________________________________________
bool OxygenClient::dragEnterEvent( QDragEnterEvent* event )
{
// check if drag enter is allowed
if( !event->mimeData()->hasFormat( clientGroupItemDragMimeType() ) || configuration().hideTitleBar() ) return false;
//
event->acceptProposedAction();
if( event->source() != widget() )
{
QPoint position( event->pos() );
itemData_.animate( AnimationEnter, itemClicked( position, true ) );
} else if( itemData_.count() > 1 ) {
QPoint position( event->pos() );
int itemClicked( OxygenClient::itemClicked( position, false ) );
itemData_.animate( AnimationEnter|AnimationSameTarget, itemClicked );
}
return true;
}
//_____________________________________________________________
bool OxygenClient::dragLeaveEvent( QDragLeaveEvent* )
{
if( itemData_.animationType() & AnimationSameTarget )
{
if( dragStartTimer_.isActive() ) dragStartTimer_.stop();
itemData_.animate( AnimationLeave|AnimationSameTarget, sourceItem_ );
} else if( itemData_.isAnimated() ) {
itemData_.animate( AnimationLeave );
}
return true;
}
//_____________________________________________________________
bool OxygenClient::dragMoveEvent( QDragMoveEvent* event )
{
// check format
if( !event->mimeData()->hasFormat( clientGroupItemDragMimeType() ) ) return false;
if( event->source() != widget() )
{
QPoint position( event->pos() );
itemData_.animate( AnimationMove, itemClicked( position, true ) );
} else if( itemData_.count() > 1 ) {
if( dragStartTimer_.isActive() ) dragStartTimer_.stop();
QPoint position( event->pos() );
int itemClicked( OxygenClient::itemClicked( position, false ) );
itemData_.animate( AnimationMove|AnimationSameTarget, itemClicked );
}
return false;
}
//_____________________________________________________________
bool OxygenClient::dropEvent( QDropEvent* event )
{
QPoint point = event->pos();
itemData_.animate( AnimationNone );
const QMimeData *groupData = event->mimeData();
if( !groupData->hasFormat( clientGroupItemDragMimeType() ) ) return false;
if( widget() == event->source() )
{
int from = OxygenClient::itemClicked( dragPoint_ );
int itemClicked( OxygenClient::itemClicked( point, false ) );
if( itemClicked > from )
{
itemClicked++;
if( itemClicked >= clientGroupItems().count() )
{ itemClicked = -1; }
}
itemData_.setDirty( true );
moveItemInClientGroup( from, itemClicked );
widget()->update();
} else {
setForceActive( true );
int itemClicked( OxygenClient::itemClicked( point, true ) );
long source = QString( groupData->data( clientGroupItemDragMimeType() ) ).toLong();
itemData_.setDirty( true );
moveItemToClientGroup( source, itemClicked );
}
titleAnimationData_.data()->reset();
return true;
}
//_____________________________________________________________
void OxygenClient::timerEvent( QTimerEvent* event )
{
if( event->timerId() != dragStartTimer_.timerId() )
{ return KCommonDecorationUnstable::timerEvent( event ); }
dragStartTimer_.stop();
// do nothing if there is only one tab
if( itemData_.count() > 1 )
{
itemData_.animate( AnimationMove|AnimationSameTarget, sourceItem_ );
itemData_.animate( AnimationLeave|AnimationSameTarget, sourceItem_ );
}
}
//_____________________________________________________________
bool OxygenClient::closeItem( const OxygenButton* button )
{
for( int i=0; i < itemData_.count(); i++ )
{
if( button == itemData_[i].closeButton_.data() )
{
itemData_.setDirty( true );
closeClientGroupItem( i );
return true;
}
}
return false;
}
//________________________________________________________________
QPixmap OxygenClient::itemDragPixmap( int index, const QRect& geometry )
{
bool itemValid( index >= 0 && index < clientGroupItems().count() );
QPixmap pixmap( geometry.size() );
QPainter painter( &pixmap );
painter.setRenderHints(QPainter::SmoothPixmapTransform|QPainter::Antialiasing);
painter.translate( -geometry.topLeft() );
// render window background
renderWindowBackground( &painter, geometry, widget(), widget()->palette() );
// darken background if item is inactive
bool itemActive = !( itemValid && index != visibleClientGroupItem() );
if( !itemActive )
{
QLinearGradient lg( geometry.topLeft(), geometry.bottomLeft() );
lg.setColorAt( 0, helper().alphaColor( Qt::black, 0.05 ) );
lg.setColorAt( 1, helper().alphaColor( Qt::black, 0.10 ) );
painter.setBrush( lg );
painter.setPen( Qt::NoPen );
painter.drawRect( geometry );
}
// render title text
painter.setFont( options()->font(isActive(), false) );
QRect textRect( geometry.adjusted( 0, layoutMetric( LM_TitleEdgeTop )-1, 0, -1 ) );
if( itemValid )
{ textRect.adjust( layoutMetric( LM_TitleBorderLeft ), 0, -layoutMetric(LM_TitleBorderRight), 0 ); }
QString caption( itemValid ? clientGroupItems()[index].title() : OxygenClient::caption() );
renderTitleText( &painter, textRect, caption, titlebarTextColor( widget()->palette(), isActive() && itemActive ) );
// floating frame
helper().drawFloatFrame(
&painter, geometry, widget()->palette().window().color(),
true, false,
KDecoration::options()->color(ColorTitleBar)
);
painter.end();
// create pixmap mask
QBitmap bitmap( geometry.size() );
{
bitmap.clear();
QPainter painter( &bitmap );
QPainterPath path;
path.addRegion( helper().roundedMask( geometry.translated( -geometry.topLeft() ) ) );
painter.fillPath( path, Qt::color1 );
}
pixmap.setMask( bitmap );
return pixmap;
}
//_________________________________________________________________
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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