C++ CViewContainer::isChild方法代码示例

/**
 * @param pView view which was removed
 */
void CFrame::onViewRemoved (CView* pView)
{
	removeFromMouseViews (pView);

	if (pActiveFocusView == pView)
		pActiveFocusView = 0;
	if (pFocusView == pView)
		setFocusView (0);
	CViewContainer* container = dynamic_cast<CViewContainer*> (pView);
	if (container)
	{
		if (container->isChild (pFocusView, true))
			setFocusView (0);
	}
	if (getViewAddedRemovedObserver ())
		getViewAddedRemovedObserver ()->onViewRemoved (this, pView);
	if (pAnimator)
		pAnimator->removeAnimations (pView);
}

//-----------------------------------------------------------------------------
void CFrame::checkMouseViews (const CPoint& where, const CButtonState& buttons)
{
	if (mouseDownView)
		return;
	CPoint lp;
	CView* mouseView = getViewAt (where, GetViewOptions (GetViewOptions::kDeep|GetViewOptions::kMouseEnabled|GetViewOptions::kIncludeViewContainer));
	CView* currentMouseView = pMouseViews.empty () == false ? pMouseViews.back () : 0;
	if (currentMouseView == mouseView)
		return; // no change

	if (pTooltips)
	{
		if (currentMouseView)
			pTooltips->onMouseExited (currentMouseView);
		if (mouseView && mouseView != this)
			pTooltips->onMouseEntered (mouseView);
	}

	if (mouseView == 0 || mouseView == this)
	{
		clearMouseViews (where, buttons);
		return;
	}
	CViewContainer* vc = currentMouseView ? dynamic_cast<CViewContainer*> (currentMouseView) : 0;
	// if the currentMouseView is not a view container, we know that the new mouseView won't be a child of it and that all other
	// views in the list are viewcontainers
	if (vc == 0 && currentMouseView)
	{
		lp = where;
		currentMouseView->frameToLocal (lp);
		currentMouseView->onMouseExited (lp, buttons);
		callMouseObserverMouseExited (currentMouseView);
	#if DEBUG_MOUSE_VIEWS
		DebugPrint ("mouseExited : %p\n", currentMouseView);
	#endif
		currentMouseView->forget ();
		pMouseViews.remove (currentMouseView);
	}
	ViewList::reverse_iterator it = pMouseViews.rbegin ();
	while (it != pMouseViews.rend ())
	{
		vc = static_cast<CViewContainer*> ((*it));
		if (vc == mouseView)
			return;
		if (vc->isChild (mouseView, true) == false)
		{
			lp = where;
			vc->frameToLocal (lp);
			vc->onMouseExited (lp, buttons);
			callMouseObserverMouseExited (vc);
		#if DEBUG_MOUSE_VIEWS
			DebugPrint ("mouseExited : %p\n", vc);
		#endif
			vc->forget ();
			pMouseViews.erase (--it.base ());
		}
		else
			break;
	}
	vc = pMouseViews.empty () == false ? dynamic_cast<CViewContainer*> (pMouseViews.back ()) : 0;
	if (vc)
	{
		ViewList::iterator it2 = pMouseViews.end ();
		it2--;
		while ((vc = static_cast<CViewContainer*> (mouseView->getParentView ())) != *it2)
		{
			pMouseViews.insert (it2, vc);
			vc->remember ();
			mouseView = vc;
		}
		pMouseViews.push_back (mouseView);
		mouseView->remember ();
		it2++;
		while (it2 != pMouseViews.end ())
		{
			lp = where;
			(*it2)->frameToLocal (lp);
			(*it2)->onMouseEntered (lp, buttons);
			callMouseObserverMouseEntered ((*it2));
		#if DEBUG_MOUSE_VIEWS
			DebugPrint ("mouseEntered : %p\n", (*it2));
		#endif
			it2++;
		}
	}
	else
	{
		// must be pMouseViews.size () == 0
		assert (pMouseViews.empty ());
		pMouseViews.push_back (mouseView);
		mouseView->remember ();
		while ((vc = static_cast<CViewContainer*> (mouseView->getParentView ())) != this)
		{
			pMouseViews.push_front (vc);
			vc->remember ();
			mouseView = vc;
		}
		ViewList::iterator it2 = pMouseViews.begin ();
		while (it2 != pMouseViews.end ())
//.........这里部分代码省略.........

//-----------------------------------------------------------------------------
bool CFrame::advanceNextFocusView (CView* oldFocus, bool reverse)
{
	if (pModalView)
	{
		CViewContainer* container = dynamic_cast<CViewContainer*> (pModalView);
		if (container)
		{
			if (oldFocus == 0 || container->isChild (oldFocus, true) == false)
				return container->advanceNextFocusView (0, reverse);
			else
			{
				CViewContainer* parentView = static_cast<CViewContainer*> (oldFocus->getParentView ());
				if (parentView)
				{
					CView* tempOldFocus = oldFocus;
					while (parentView != container)
					{
						if (parentView->advanceNextFocusView (tempOldFocus, reverse))
							return true;
						else
						{
							tempOldFocus = parentView;
							parentView = static_cast<CViewContainer*> (parentView->getParentView ());
						}
					}
					if (container->advanceNextFocusView (tempOldFocus, reverse))
						return true;
					return container->advanceNextFocusView (0, reverse);
				}
			}
		}
		else if (oldFocus != pModalView)
		{
			setFocusView (pModalView);
			return true;
		}
		return false; // currently not supported, but should be done sometime
	}
	if (oldFocus == 0)
	{
		if (pFocusView == 0)
			return CViewContainer::advanceNextFocusView (0, reverse);
		oldFocus = pFocusView;
	}
	if (isChild (oldFocus))
	{
		if (CViewContainer::advanceNextFocusView (oldFocus, reverse))
			return true;
		else
		{
			setFocusView (0);
			return false;
		}
	}
	CViewContainer* parentView = static_cast<CViewContainer*> (oldFocus->getParentView ());
	if (parentView)
	{
		CView* tempOldFocus = oldFocus;
		while (parentView)
		{
			if (parentView->advanceNextFocusView (tempOldFocus, reverse))
				return true;
			else
			{
				tempOldFocus = parentView;
				parentView = static_cast<CViewContainer*> (parentView->getParentView ());
			}
		}
	}
	return CViewContainer::advanceNextFocusView (oldFocus, reverse);
}