自学教程：C++ IsInside函数代码示例

voidThread::Join(){  assert(IsDefined());  assert(!IsInside());#ifdef HAVE_POSIX  pthread_join(handle, nullptr);  defined = false;#else  ::WaitForSingleObject(handle, INFINITE);  ::CloseHandle(handle);  handle = nullptr;#endif#ifndef NDEBUG  all_threads_mutex.lock();  all_threads.erase(all_threads.iterator_to(*this));  all_threads_mutex.unlock();#endif}

unsigned CClanMemberItem::Process( unsigned uiMsg, WPARAM wParam, LPARAM lParam ){	if( !IsInside( LOWORD(lParam), HIWORD( lParam )) ) return 0;	switch( uiMsg )	{	case WM_LBUTTONDOWN:		{			CTDialog* pDlg = g_itMGR.FindDlg( DLG_TYPE_CLAN );			if( pDlg )			{				CClanDlg* pClanDlg = (CClanDlg*)pDlg;				pClanDlg->SetSelectedMember( m_iClanPoint );			}			SetSelected();		}		return GetControlID();	default:		break;	}	return 0;}

void UIBase::Input(){    int key = InputManager::GetInstance().GetMouseMousePressKey();    Point mpos = InputManager::GetInstance().GetMouse();    if (IsInside(mpos.x,mpos.y)){        if (key != 0 && OnMousePress){            OnMousePress(this,key,mpos);        }        key = InputManager::GetInstance().GetMouseMouseReleaseKey();        if (key != 0 && OnMouseRelease){            OnMouseRelease(this,key,mpos);        }        if (!MouseInside){            if (OnMouseEnter){                OnMouseEnter(this,mpos);            }            MouseInside = true;        }    }else{        if (MouseInside){            if (OnMouseLeave){                OnMouseLeave(this,mpos);            }            MouseInside = false;        }    }    key = InputManager::GetInstance().IsAnyKeyPressed();    if (key != -1 && OnKeyPress){        OnKeyPress(this,key);    }    /*for (unsigned i = 0; i < Components.size(); ++i) {        if (!Components[i]->IsDead()){            Components[i]->Input();        }    }*/}

WMSG_RESULT CUIPortal::OnLButtonDown( UINT16 x, UINT16 y ){	if (m_bHide)		return WMSG_FAIL;	if (IsInside(x, y) == FALSE)	{		Close();		return WMSG_FAIL;	} 	if( m_pmoveArea && m_pmoveArea->IsInside(x, y)) 	{ 		m_bDrag = true; 		m_nOriX = x; 		m_nOriY = y; 	}	CUIManager::getSingleton()->RearrangeOrder( UI_PORTAL, TRUE );	return WMSG_FAIL;}

voidIOThread::LockRemove(int fd){  mutex.Lock();  const bool old_modified = modified;  Remove(fd);  const bool new_modified = modified;  if (new_modified && running && !IsInside()) {    /* this method is synchronous: after returning, all handlers must       be finished */    do {      cond.Wait(mutex);    } while (running);  }  mutex.Unlock();  if (!old_modified && new_modified)    pipe.Signal();}

WMSG_RESULT CUITrade::OnLButtonDBLClick( UINT16 x, UINT16 y ){	if (m_bHide)		return WMSG_FAIL;	if (IsInside(x, y) == FALSE)		return WMSG_FAIL;	if (m_pList[eLIST_AMEND_ITEM]->IsInside(x, y) == TRUE)	{		if (m_pList[eLIST_AMEND_ITEM]->HitTest(x, y) < 0)		{			UpdateAmendItem(-1);			UpdateAmendCondition(-1);			if (m_pBtnOk != NULL)				m_pBtnOk->SetEnable(FALSE);		}	}	return WMSG_SUCCESS;}

WMSG_RESULT CUIQuestBook::OnLButtonDown( UINT16 x, UINT16 y ){	if (m_bHide)		return WMSG_FAIL;	if (m_bLockQuestList == TRUE)		return WMSG_FAIL;	if (IsInside(x, y) == FALSE)		return WMSG_FAIL;	if( m_pmoveArea && m_pmoveArea->IsInside(x, y))	{		m_bDrag = true;		m_nOriX = x;		m_nOriY = y;	}	CUIManager::getSingleton()->RearrangeOrder( UI_QUESTBOOK_LIST, TRUE );	return WMSG_FAIL;}

    bool Frustum::IsVisible(const Node& node, Mesh& mesh) const    {        if (mesh.IsReady())        {            Vertex3 center = node.GetGlobalPosition();            float radius = mesh.GetBoundingSphereRadius();            Vector3 scale = node.GetGlobalScale();            float maxScale = std::max(std::max(scale.x, scale.y), scale.z);            radius *= maxScale;            Intersection sphereFrustumIntersec = IsSphereInside(center, radius);            if (sphereFrustumIntersec == Intersection::INTERSECTS)            {                BoundingBox bb = mesh.GetBB();                bb.Transform(node);                return IsInside(bb) != Intersection::OUTSIDE;            }            else                return sphereFrustumIntersec !=  Intersection::OUTSIDE;        }        return false;    }

WMSG_RESULT CUIBase::MouseWheel(UINT16 x, UINT16 y, int wheel){    if (m_bHide)        return WMSG_FAIL;    if (IsInside(x, y) == FALSE)        return WMSG_FAIL;    WMSG_RESULT ret = WMSG_FAIL;    if (wheel > 0)        OnMouseWheelUp();    else if (wheel < 0)        OnMouseWheelDown();    ret = OnMouseWheel(x, y, wheel);    if (ret == WMSG_FAIL)        ret = MouseWheelChild(x, y, wheel);    return ret;}

//=================================================================================================void ListBox::Update(float dt){	if(extended)	{		if(menu->visible)		{			// powinno by
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