//____________________________________________________________________________________
void MdiWindowShadowFactory::unregisterWidget( QWidget* widget )
{
if( !isRegistered( widget ) ) return;
widget->removeEventFilter( this );
_registeredWidgets.remove( widget );
removeShadow( widget );
}
//____________________________________________________________________________________
bool MdiWindowShadowFactory::eventFilter( QObject* object, QEvent* event )
{
switch( event->type() )
{
// TODO: possibly implement ZOrderChange event, to make sure that
// the shadow is always painted on top
case QEvent::ZOrderChange:
updateShadowZOrder( object );
break;
case QEvent::Destroy:
if( isRegistered( object ) )
{
_registeredWidgets.remove( object );
removeShadow( object );
}
break;
case QEvent::Hide:
hideShadows( object );
break;
case QEvent::Show:
installShadow( object );
updateShadowGeometry( object );
updateShadowZOrder( object );
break;
case QEvent::Move:
case QEvent::Resize:
updateShadowGeometry( object );
break;
default:
break;
}
return QObject::eventFilter( object, event );
}
/*!
Sets the client's active state to \a act.
This function does only change the visual appearance of the client,
it does not change the focus setting. Use
Workspace::activateClient() or Workspace::requestFocus() instead.
If a client receives or looses the focus, it calls setActive() on
its own.
*/
void Client::setActive( bool act, bool updateOpacity_)
{
if ( active == act )
return;
active = act;
workspace()->setActiveClient( act ? this : NULL, Allowed );
if (updateOpacity_) updateOpacity();
if (isModal() && transientFor())
{
if (!act) transientFor()->updateOpacity();
else if (!transientFor()->custom_opacity) transientFor()->setOpacity(options->translucentActiveWindows, options->activeWindowOpacity);
}
updateShadowSize();
if ( active )
{
Notify::raise( Notify::Activate );
if (options->shadowEnabled(true))
{
if (options->shadowEnabled(false))
{
// Wait for inactive shadow to expose occluded windows and give
// them a chance to redraw before painting the active shadow
removeShadow();
drawDelayedShadow();
if (!isDesktop() &&
this != workspace()->topClientOnDesktop(desktop()))
// If the newly activated window's isn't the desktop, wait
// for its shadow to draw, then redraw any shadows
// overlapping it.
drawOverlappingShadows(true);
}
else
drawShadow();
}
}
else
{
removeShadow();
if (options->shadowEnabled(false))
{
if (this == workspace()->topClientOnDesktop(desktop()))
{
/* If the newly deactivated window is the top client on the
* desktop, then the newly activated window is below it; ensure
* that the deactivated window's shadow draws after the
* activated window's shadow.
*/
if ((shadowAfterClient = workspace()->activeClient()))
{
drawShadowAfter(shadowAfterClient);
}
}
else
{
drawDelayedShadow();
}
}
}
if( !active )
cancelAutoRaise();
if( !active && shade_mode == ShadeActivated )
setShade( ShadeNormal );
StackingUpdatesBlocker blocker( workspace());
workspace()->updateClientLayer( this ); // active windows may get different layer
// TODO optimize? mainClients() may be a bit expensive
ClientList mainclients = mainClients();
for( ClientList::ConstIterator it = mainclients.begin();
it != mainclients.end();
++it )
if( (*it)->isFullScreen()) // fullscreens go high even if their transient is active
workspace()->updateClientLayer( *it );
if( decoration != NULL )
decoration->activeChange();
updateMouseGrab();
updateUrgency(); // demand attention again if it's still urgent
}
