示例#1
0
void UIElement::RaiseEvent(RoutedEventArgs* args)
{
	args->m_originalSource = this;

	RoutedEvent* routedEvent = args->get_RoutedEvent();
	if (routedEvent == NULL)
	{
		raise(SystemException("routedEvent = NULL"));
	}

	// preview phase
	if (routedEvent->get_RoutingStrategy() == RoutingStrategy_Tunnel)
	{
#if 0
		EventRoute route;

		UIElement* p = this;//dynamic_cast<UIElement*>(GetRParent());
		while (p)
		{
			route.ancestors.push_front(p);
			p = dynamic_cast<UIElement*>(p->GetRParent());
		}

		list<UIElement*>::iterator it = route.ancestors.begin();
		while (it != route.ancestors.end())
		{
			UIElement* el = *it;

			// Class handlers
			if (!args->get_Handled())	// TODO
			{
				EventManager::InvokeClassHandlers(el/*args->get_Source()*/->GetType(), el, args);
			}

			// Instance handlers
			signal_base* sig = el->m_handlers[routedEvent->m_index];

			if (sig)
			{
				int nslots = sig->GetSlotCount();

			//	signal2<Object*,RoutedEventArgs*>::connection_type it2 = el->m_handlers[routedEvent->m_index]->m_slots.begin();
			//	while (it2 != el->m_handlers[routedEvent->m_index]->m_slots.end())
				for (int i = 0; i < nslots; i++)
				{
					stub_interface_base* slot = sig->GetSlot(i);

					if (!args->get_Handled())	// TODO
					{
						args->InvokeEventHandler(this, slot);
					}
				//	++it2;
				}
			}

			++it;
		}
#endif
	}
	else if (routedEvent->get_RoutingStrategy() == RoutingStrategy_Bubble)
	{
		EventRoute route;

		UIElement* p = this;
		do
		{
			route.ancestors.push_back(p);
			p = p->get_Parent();
		}
		while (p);

		if (args->get_Source() == nullptr)
		{
			args->set_Source(this);
		}

		for (auto it = route.ancestors.begin(); it != route.ancestors.end(); ++it)
		{
			UIElement* el = *it;

			// Class handlers
			if (!args->get_Handled())	// TODO
			{
				EventManager::InvokeClassHandlers(el->GetType(), el, args);
			}

			// Instance handlers

			Event* pEvent = el->m_events[routedEvent->GetIndex()];

			if (pEvent)
			{
				try
				{
					switch (pEvent->get_NumArgs())
					{
					case 2:
						{
							pEvent->Handle(el, args);
						}
						break;

					default:
						ASSERT(0);
					}
				}
				catch (Exception* e)
				{
					MessageBox(nullptr, e->get_Reason().c_strw(), L"GUI", MB_OK | MB_ICONERROR);
				}
			}

			args->set_Source(el);

#if 0
				list<IDispatch*>::iterator it = pEvent->m_handlers.begin();

				while (it != pEvent->m_handlers.end())
				{
					IDispatch* handler = *it;
					++it;

					if (!args->get_Handled())	// TODO
					{
						args->InvokeEventHandler(this, handler);
					}
				}

				/*
				int nslots = el->m_handlers[routedEvent->m_index]->GetSlotCount();

				signal2<Object*,RoutedEventArgs*>::connection_type it2 = el->m_handlers[routedEvent->m_index].m_slots.begin();
				while (it2 != el->m_handlers[routedEvent->m_index].m_slots.end())
				{
					args->InvokeEventHandler(this, *it2);
					++it2;
				}
				*/
			}
#endif
		}
	}
示例#2
0
// virtual
LDraw::SizeD DockPanel::MeasureOverride(LDraw::SizeD availSize)
{
    LDraw::BBoxD layoutRect(0, 0, availSize.Width, availSize.Height);

    double minWidth = 0;
    double minHeight = 0;
    double totalWidth = 0;
    double totalHeight = 0;

    unsigned int ncount = get_InternalChildren()->GetCount();

#if 0
    for (unsigned int i = 0; i < ncount; i++)
    {
        UIElement* pVisual = get_InternalChildren()->GetItem(i);//(*get_rchildList())[i];

        // TODO remove this
        //	pVisual->SetRParent(this);
    }
#endif

    for (unsigned int i = 0; i < ncount; i++)
    {
        UIElement* pVisual = get_InternalChildren()->get_Item(i);//(*get_rchildList())[i];

        ASSERT(pVisual->GetRParent() == this);

        if (pVisual->get_Visibility() != Collapsed)
        {
            DockEnum dock = GetDock(pVisual);

            if (dock == Fill || ((i == ncount-1) && get_LastChildFill()))
            {
                pVisual->Measure(LDraw::SizeD(layoutRect.GetWidth(), layoutRect.GetHeight()));
                totalWidth += pVisual->get_DesiredSize().Width;
                totalHeight += pVisual->get_DesiredSize().Height;
                break;
            }
            else if (dock == Left)
            {
                pVisual->Measure(LDraw::SizeD(0, layoutRect.GetHeight()));
                layoutRect.left += pVisual->get_DesiredSize().Width;
                totalWidth += pVisual->get_DesiredSize().Width;
                //	totalHeight = max(totalHeight, pVisual->m_desiredHeight);
                minHeight = MAX(minHeight, pVisual->get_DesiredSize().Height);
            }
            else if (dock == Top)
            {
                pVisual->Measure(LDraw::SizeD(layoutRect.GetWidth(), 0));
                layoutRect.top += pVisual->get_DesiredSize().Height;
                totalHeight += pVisual->get_DesiredSize().Height;
                //	totalWidth = max(totalWidth, pVisual->m_desiredWidth);
                minWidth = MAX(minWidth, pVisual->get_DesiredSize().Width);
            }
            else if (dock == Right)
            {
                pVisual->Measure(LDraw::SizeD(0, layoutRect.GetHeight()));
                layoutRect.right -= pVisual->get_DesiredSize().Width;
                totalWidth += pVisual->get_DesiredSize().Width;
                //	totalHeight = max(totalHeight, pVisual->m_desiredHeight);
                minHeight = MAX(minHeight, pVisual->get_DesiredSize().Height);
            }
            else if (dock == Bottom)
            {
                pVisual->Measure(LDraw::SizeD(layoutRect.GetWidth(), 0));
                layoutRect.bottom -= pVisual->get_DesiredSize().Height;
                totalHeight += pVisual->get_DesiredSize().Height;
                //	totalWidth = max(totalWidth, pVisual->m_desiredWidth);
                minWidth = MAX(minWidth, pVisual->get_DesiredSize().Width);
            }
            else
                ASSERT(0);

            //	pVisual->SetLayoutOffset(fLeft, fTop);
            //	pVisual->Arrange(LDraw::SizeF(pVisual->m_computedWidth, pVisual->m_computedHeight));

            /*
            if (dock == Fill ||

            	layoutRect.GetWidth() <= 0 ||
            	layoutRect.GetHeight() <= 0)
            {
            	break;
            }
            */
        }
    }

    return LDraw::SizeD(MAX(minWidth, totalWidth), MAX(minHeight, totalHeight));
}