kdevelop speed drop

[F@lk Brettschneider]

Roland Krause wrote:
> 
> Falk,
> so it turns out that there are two different events!
> Can't the MDI framework distiguish between a temporary focus and a real
> focus in event?
I tried to catch that there. See this (The last line (emit gotFocus())
leads to DocViewMan then):

void QextMdiMainFrm::addWindow( QextMdiChildView* pWnd, int flags)
{
...
   QObject::connect( pWnd,
SIGNAL(focusInEventOccurs(QextMdiChildView*)), this,
SLOT(activateView(QextMdiChildView*)) );
...
}

void QextMdiMainFrm::activateView(QextMdiChildView* pWnd)
{
   if (m_pCurrentWindow != pWnd) {
      m_pCurrentWindow = pWnd;
   }
   else {
      pWnd->m_bInterruptActivation = true;
   }
...
}

//============= focusInEvent ===============//

void QextMdiChildView::focusInEvent(QFocusEvent *e)
{
   // every widget get a focusInEvent when a popup menu is opened!?! ->
maybe bug of QT
   if (e && ((e->reason())==QFocusEvent::Popup)) {
      return;
   }
   activate();
}

//============= activate ===============//

void QextMdiChildView::activate()
{
   // this isn't called from focusInEvent,
   // but we try to set the focus anyway
   // if this _is_ called from focusInEvent, 
   // it doesn't matter to call it again, looping wont happen
   setFocus();

   // raise the view and push the taskbar button
   emit focusInEventOccurs( this);

...

   // check if someone wants that we interrupt the method (because it's
probably unnecessary)
   if (m_bInterruptActivation) {
      m_bInterruptActivation = FALSE;
      return;   // nothing to do, we are the active childview, already
   }
   else {
     emit gotFocus(this);
   }
}

--------------------------------


If the MDI view is already the one which is the current (raised,
caption-highlighted, with the pushed taskbar button), nothing should
happen in DocViewMan, means DocViewMan shouldn't get the gotFocus(this)
signal.

Until then,
F at lk

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