zhipuzi_pos_windows/DuiLib/Core/UIBase.cpp

#include "StdAfx.h"
#include "UIBase.h"
#include <stdarg.h>
#include <stdio.h>
#include <tchar.h>
#include <windows.h>

#ifdef _DEBUG
#include <shlwapi.h>
#pragma comment(lib, "shlwapi.lib")
#endif

namespace DuiLib {

namespace {
	typedef BOOL (WINAPI* PFN_REGISTER_TOUCH_WINDOW)(HWND, ULONG);

	void RegisterTouchWindowIfAvailable(HWND hWnd)
	{
		if (hWnd == NULL) return;
		HMODULE hUser32 = ::GetModuleHandle(_T("user32.dll"));
		if (hUser32 == NULL) return;
		PFN_REGISTER_TOUCH_WINDOW pfnRegister =
			reinterpret_cast<PFN_REGISTER_TOUCH_WINDOW>(::GetProcAddress(hUser32, "RegisterTouchWindow"));
		if (pfnRegister != NULL)
			pfnRegister(hWnd, 0);
	}
}

/////////////////////////////////////////////////////////////////////////////////////
//
//

LPCTSTR DUI__TraceMsg(UINT uMsg)
{
#define MSGDEF(x) if(uMsg==x) return _T(#x)
    MSGDEF(WM_SETCURSOR);
    MSGDEF(WM_NCHITTEST);
    MSGDEF(WM_NCPAINT);
    MSGDEF(WM_PAINT);
    MSGDEF(WM_ERASEBKGND);
    MSGDEF(WM_NCMOUSEMOVE);  
    MSGDEF(WM_MOUSEMOVE);
    MSGDEF(WM_MOUSELEAVE);
    MSGDEF(WM_MOUSEHOVER);   
    MSGDEF(WM_NOTIFY);
    MSGDEF(WM_COMMAND);
    MSGDEF(WM_MEASUREITEM);
    MSGDEF(WM_DRAWITEM);   
    MSGDEF(WM_LBUTTONDOWN);
    MSGDEF(WM_LBUTTONUP);
    MSGDEF(WM_LBUTTONDBLCLK);
    MSGDEF(WM_RBUTTONDOWN);
    MSGDEF(WM_RBUTTONUP);
    MSGDEF(WM_RBUTTONDBLCLK);
    MSGDEF(WM_SETFOCUS);
    MSGDEF(WM_KILLFOCUS);  
    MSGDEF(WM_MOVE);
    MSGDEF(WM_SIZE);
    MSGDEF(WM_SIZING);
    MSGDEF(WM_MOVING);
    MSGDEF(WM_GETMINMAXINFO);
    MSGDEF(WM_CAPTURECHANGED);
    MSGDEF(WM_WINDOWPOSCHANGED);
    MSGDEF(WM_WINDOWPOSCHANGING);   
    MSGDEF(WM_NCCALCSIZE);
    MSGDEF(WM_NCCREATE);
    MSGDEF(WM_NCDESTROY);
    MSGDEF(WM_TIMER);
    MSGDEF(WM_KEYDOWN);
    MSGDEF(WM_KEYUP);
    MSGDEF(WM_CHAR);
    MSGDEF(WM_SYSKEYDOWN);
    MSGDEF(WM_SYSKEYUP);
    MSGDEF(WM_SYSCOMMAND);
    MSGDEF(WM_SYSCHAR);
    MSGDEF(WM_VSCROLL);
    MSGDEF(WM_HSCROLL);
    MSGDEF(WM_CHAR);
    MSGDEF(WM_SHOWWINDOW);
    MSGDEF(WM_PARENTNOTIFY);
    MSGDEF(WM_CREATE);
    MSGDEF(WM_NCACTIVATE);
    MSGDEF(WM_ACTIVATE);
    MSGDEF(WM_ACTIVATEAPP);   
    MSGDEF(WM_CLOSE);
    MSGDEF(WM_DESTROY);
    MSGDEF(WM_GETICON);   
    MSGDEF(WM_GETTEXT);
    MSGDEF(WM_GETTEXTLENGTH);   
    static TCHAR szMsg[10];
    ::wsprintf(szMsg, _T("0x%04X"), uMsg);
    return szMsg;
}

/////////////////////////////////////////////////////////////////////////////////////
//
//

//////////////////////////////////////////////////////////////////////////
//
DUI_BASE_BEGIN_MESSAGE_MAP(CNotifyPump)
DUI_END_MESSAGE_MAP()

static const DUI_MSGMAP_ENTRY* DuiFindMessageEntry(const DUI_MSGMAP_ENTRY* lpEntry,TNotifyUI& msg )
{
	CDuiString sMsgType = msg.sType;
	CDuiString sCtrlName = msg.pSender->GetName();
	const DUI_MSGMAP_ENTRY* pMsgTypeEntry = NULL;
	while (lpEntry->nSig != DuiSig_end)
	{
		if(lpEntry->sMsgType==sMsgType)
		{
			if(!lpEntry->sCtrlName.IsEmpty())
			{
				if(lpEntry->sCtrlName==sCtrlName)
				{
					return lpEntry;
				}
			}
			else
			{
				pMsgTypeEntry = lpEntry;
			}
		}
		lpEntry++;
	}
	return pMsgTypeEntry;
}

bool CNotifyPump::AddVirtualWnd(CDuiString strName,CNotifyPump* pObject)
{
	if( m_VirtualWndMap.Find(strName) == NULL )
	{
		m_VirtualWndMap.Insert(strName.GetData(),(LPVOID)pObject);
		return true;
	}
	return false;
}

bool CNotifyPump::RemoveVirtualWnd(CDuiString strName)
{
	if( m_VirtualWndMap.Find(strName) != NULL )
	{
		m_VirtualWndMap.Remove(strName);
		return true;
	}
	return false;
}

bool CNotifyPump::LoopDispatch(TNotifyUI& msg)
{
	const DUI_MSGMAP_ENTRY* lpEntry = NULL;
	const DUI_MSGMAP* pMessageMap = NULL;

#ifndef UILIB_STATIC
	for(pMessageMap = GetMessageMap(); pMessageMap!=NULL; pMessageMap = (*pMessageMap->pfnGetBaseMap)())
#else
	for(pMessageMap = GetMessageMap(); pMessageMap!=NULL; pMessageMap = pMessageMap->pBaseMap)
#endif
	{
#ifndef UILIB_STATIC
		ASSERT(pMessageMap != (*pMessageMap->pfnGetBaseMap)());
#else
		ASSERT(pMessageMap != pMessageMap->pBaseMap);
#endif
		if ((lpEntry = DuiFindMessageEntry(pMessageMap->lpEntries,msg)) != NULL)
		{
			goto LDispatch;
		}
	}
	return false;

LDispatch:
	union DuiMessageMapFunctions mmf;
	mmf.pfn = lpEntry->pfn;

	bool bRet = false;
	int nSig;
	nSig = lpEntry->nSig;
	switch (nSig)
	{
	default:
		ASSERT(FALSE);
		break;
	case DuiSig_lwl:
		(this->*mmf.pfn_Notify_lwl)(msg.wParam,msg.lParam);
		bRet = true;
		break;
	case DuiSig_vn:
		(this->*mmf.pfn_Notify_vn)(msg);
		bRet = true;
		break;
	}
	return bRet;
}

void CNotifyPump::NotifyPump(TNotifyUI& msg)
{
	///遍历虚拟窗口
	if( !msg.sVirtualWnd.IsEmpty() ){
		for( int i = 0; i< m_VirtualWndMap.GetSize(); i++ ) {
			if( LPCTSTR key = m_VirtualWndMap.GetAt(i) ) {
				if( _tcsicmp(key, msg.sVirtualWnd.GetData()) == 0 ){
					CNotifyPump* pObject = static_cast<CNotifyPump*>(m_VirtualWndMap.Find(key, false));
					if( pObject && pObject->LoopDispatch(msg) )
						return;
				}
			}
		}
	}

	///
	//遍历主窗口
	LoopDispatch( msg );
}

//////////////////////////////////////////////////////////////////////////
///
CWindowWnd::CWindowWnd() : m_hWnd(NULL), m_OldWndProc(::DefWindowProc), m_bSubclassed(false), m_bUnicode(false), m_bFakeModal(false)
{
}

HWND CWindowWnd::GetHWND() const 
{ 
    return m_hWnd; 
}

UINT CWindowWnd::GetClassStyle() const
{
    return 0;
}

LPCTSTR CWindowWnd::GetSuperClassName() const
{
    return NULL;
}

CWindowWnd::operator HWND() const
{
    return m_hWnd;
}
void CWindowWnd::EnableUnicode()
{
	m_bUnicode = true;
}
HWND CWindowWnd::CreateDuiWindow( HWND hwndParent, LPCTSTR pstrWindowName,DWORD dwStyle /*=0*/, DWORD dwExStyle /*=0*/ )
{
	return Create(hwndParent,pstrWindowName,dwStyle,dwExStyle,0,0,0,0,NULL);
}

HWND CWindowWnd::Create(HWND hwndParent, LPCTSTR pstrName, DWORD dwStyle, DWORD dwExStyle, const RECT rc, HMENU hMenu)
{
    return Create(hwndParent, pstrName, dwStyle, dwExStyle, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, hMenu);
}

HWND CWindowWnd::Create(HWND hwndParent, LPCTSTR pstrName, DWORD dwStyle, DWORD dwExStyle, int x, int y, int cx, int cy, HMENU hMenu)
{
    if( GetSuperClassName() != NULL && !RegisterSuperclass() ) return NULL;
    if( GetSuperClassName() == NULL && !RegisterWindowClass() ) return NULL;
	if(m_bUnicode) {
#ifndef UNICODE
		LPWSTR lpClassName = a2w((char*)GetWindowClassName());
		LPWSTR lpName = a2w((char*)pstrName);
#else
		LPWSTR lpClassName = (LPWSTR)GetWindowClassName();
		LPWSTR lpName = (LPWSTR)pstrName;
#endif
		m_hWnd = ::CreateWindowExW(dwExStyle, lpClassName, lpName, dwStyle, x, y, cx, cy, hwndParent, hMenu, CPaintManagerUI::GetInstance(), this);
#ifndef UNICODE
		delete []lpClassName;
		delete []lpName;
#endif
	}
	else {
		m_hWnd = ::CreateWindowEx(dwExStyle, GetWindowClassName(), pstrName, dwStyle, x, y, cx, cy, hwndParent, hMenu, CPaintManagerUI::GetInstance(), this);
	}
    ASSERT(m_hWnd!=NULL);
    RegisterTouchWindowIfAvailable(m_hWnd);
    return m_hWnd;
}

HWND CWindowWnd::Subclass(HWND hWnd)
{
    ASSERT(::IsWindow(hWnd));
    ASSERT(m_hWnd==NULL);
    m_OldWndProc = SubclassWindow(hWnd, __WndProc);
    if( m_OldWndProc == NULL ) return NULL;
    m_bSubclassed = true;
    m_hWnd = hWnd;
    ::SetWindowLongPtr(hWnd, GWLP_USERDATA, reinterpret_cast<LPARAM>(this));
    RegisterTouchWindowIfAvailable(m_hWnd);
    return m_hWnd;
}

void CWindowWnd::Unsubclass()
{
    ASSERT(::IsWindow(m_hWnd));
    if( !::IsWindow(m_hWnd) ) return;
    if( !m_bSubclassed ) return;
    SubclassWindow(m_hWnd, m_OldWndProc);
    m_OldWndProc = ::DefWindowProc;
    m_bSubclassed = false;
}

void CWindowWnd::ShowWindow(bool bShow /*= true*/, bool bTakeFocus /*= false*/)
{
    ASSERT(::IsWindow(m_hWnd));
    if( !::IsWindow(m_hWnd) ) return;
    ::ShowWindow(m_hWnd, bShow ? (bTakeFocus ? SW_SHOWNORMAL : SW_SHOWNOACTIVATE) : SW_HIDE);
}

UINT CWindowWnd::ShowModal()
{
    ASSERT(::IsWindow(m_hWnd));
    UINT nRet = 0;
    HWND hWndParent = GetWindowOwner(m_hWnd);
    RegisterTouchWindowIfAvailable(m_hWnd);
    ::ShowWindow(m_hWnd, SW_SHOWNORMAL);
    ::SetForegroundWindow(m_hWnd);
    ::SetActiveWindow(m_hWnd);
    ::SetFocus(m_hWnd);
    DuiLib::TouchTrace::Log(_T("MODAL-ENTER hwnd=%p owner=%p parent=%p foreground=%p active=%p focus=%p enabled=%d visible=%d style=0x%08X ex=0x%08X"),
        (void*)m_hWnd, (void*)hWndParent, (void*)::GetParent(m_hWnd), (void*)::GetForegroundWindow(), (void*)::GetActiveWindow(), (void*)::GetFocus(),
        (int)::IsWindowEnabled(m_hWnd), (int)::IsWindowVisible(m_hWnd),
        (unsigned)::GetWindowLong(m_hWnd, GWL_STYLE), (unsigned)::GetWindowLong(m_hWnd, GWL_EXSTYLE));
    ::EnableWindow(hWndParent, FALSE);
    MSG msg = { 0 };
    while( ::IsWindow(m_hWnd) && ::GetMessage(&msg, NULL, 0, 0) ) {
        if( msg.message == WM_TOUCH || msg.message == WM_LBUTTONDOWN || msg.message == WM_LBUTTONUP || msg.message == WM_MOUSEMOVE ) {
            DuiLib::TouchTrace::Log(_T("MODAL-RAW hwnd=%p msg=0x%04X target=%p w=0x%p l=0x%p capture=%p focus=%p active=%p foreground=%p"),
                m_hWnd, msg.message, msg.hwnd, (void*)msg.wParam, (void*)msg.lParam,
                (void*)::GetCapture(), (void*)::GetFocus(), (void*)::GetActiveWindow(), (void*)::GetForegroundWindow());
        }
        if( msg.message == WM_CLOSE && msg.hwnd == m_hWnd ) {
            nRet = (int)msg.wParam;
            ::EnableWindow(hWndParent, TRUE);
            ::SetFocus(hWndParent);
        }
        if( !CPaintManagerUI::TranslateMessage(&msg) ) {
            if( msg.message == WM_TOUCH || msg.message == WM_LBUTTONDOWN || msg.message == WM_LBUTTONUP || msg.message == WM_MOUSEMOVE ) {
                DuiLib::TouchTrace::Log(_T("MODAL-LOOP dispatch hwnd=%p msg=0x%04X target=%p"), m_hWnd, msg.message, msg.hwnd);
            }
            ::TranslateMessage(&msg);
            ::DispatchMessage(&msg);
        }
        else if( msg.message == WM_TOUCH || msg.message == WM_LBUTTONDOWN || msg.message == WM_LBUTTONUP || msg.message == WM_MOUSEMOVE ) {
            DuiLib::TouchTrace::Log(_T("MODAL-LOOP consumed hwnd=%p msg=0x%04X target=%p"), m_hWnd, msg.message, msg.hwnd);
        }
        if( msg.message == WM_QUIT ) break;
    }
    ::EnableWindow(hWndParent, TRUE);
    ::SetFocus(hWndParent);
    if( msg.message == WM_QUIT ) ::PostQuitMessage((int)msg.wParam);
    return nRet;
}

void CWindowWnd::ShowModalFake()
{
    ASSERT(::IsWindow(m_hWnd));
    auto p_hwnd = GetWindowOwner(m_hWnd);
    ASSERT(::IsWindow(p_hwnd));
    ASSERT(p_hwnd);
    ::EnableWindow(p_hwnd, FALSE);
    ShowWindow();
    m_bFakeModal = true;
}

void CWindowWnd::Close(UINT nRet)
{
    if (m_bFakeModal)
    {
        auto parent_hwnd = GetWindowOwner(m_hWnd);
        ASSERT(::IsWindow(parent_hwnd));
        ::EnableWindow(parent_hwnd, TRUE);
        ::SetFocus(parent_hwnd);
        m_bFakeModal = false;
    }

    ASSERT(::IsWindow(m_hWnd));
    if (!::IsWindow(m_hWnd)) return;
    PostMessage(WM_CLOSE, (WPARAM)nRet, 0L);
}

void CWindowWnd::CenterWindow()
{
    ASSERT(::IsWindow(m_hWnd));
    ASSERT((GetWindowStyle(m_hWnd)&WS_CHILD)==0);
    RECT rcDlg = { 0 };
    ::GetWindowRect(m_hWnd, &rcDlg);
    RECT rcArea = { 0 };
    RECT rcCenter = { 0 };
	HWND hWnd=*this;
    HWND hWndParent = ::GetParent(m_hWnd);
    HWND hWndCenter = ::GetWindowOwner(m_hWnd);
	if (hWndCenter!=NULL)
		hWnd=hWndCenter;

	// 处理多显示器模式下屏幕居中
	MONITORINFO oMonitor = {};
	oMonitor.cbSize = sizeof(oMonitor);
	::GetMonitorInfo(::MonitorFromWindow(hWnd, MONITOR_DEFAULTTONEAREST), &oMonitor);
	rcArea = oMonitor.rcWork;

    if( hWndCenter == NULL )
		rcCenter = rcArea;
	else
		::GetWindowRect(hWndCenter, &rcCenter);

    int DlgWidth = rcDlg.right - rcDlg.left;
    int DlgHeight = rcDlg.bottom - rcDlg.top;

    // Find dialog's upper left based on rcCenter
    int xLeft = (rcCenter.left + rcCenter.right) / 2 - DlgWidth / 2;
    int yTop = (rcCenter.top + rcCenter.bottom) / 2 - DlgHeight / 2;

    // The dialog is outside the screen, move it inside
    if( xLeft < rcArea.left ) xLeft = rcArea.left;
    else if( xLeft + DlgWidth > rcArea.right ) xLeft = rcArea.right - DlgWidth;
    if( yTop < rcArea.top ) yTop = rcArea.top;
    else if( yTop + DlgHeight > rcArea.bottom ) yTop = rcArea.bottom - DlgHeight;
    ::SetWindowPos(m_hWnd, NULL, xLeft, yTop, -1, -1, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}

void CWindowWnd::SetIcon(UINT nRes)
{
	HICON hIcon = (HICON)::LoadImage(CPaintManagerUI::GetInstance(), MAKEINTRESOURCE(nRes), IMAGE_ICON,
		(::GetSystemMetrics(SM_CXICON) + 15) & ~15, (::GetSystemMetrics(SM_CYICON) + 15) & ~15,	// 防止高DPI下图标模糊
		LR_DEFAULTCOLOR);
	ASSERT(hIcon);
	::SendMessage(m_hWnd, WM_SETICON, (WPARAM) TRUE, (LPARAM) hIcon);

	hIcon = (HICON)::LoadImage(CPaintManagerUI::GetInstance(), MAKEINTRESOURCE(nRes), IMAGE_ICON,
		(::GetSystemMetrics(SM_CXICON) + 15) & ~15, (::GetSystemMetrics(SM_CYICON) + 15) & ~15,	// 防止高DPI下图标模糊
		LR_DEFAULTCOLOR);
	ASSERT(hIcon);
	::SendMessage(m_hWnd, WM_SETICON, (WPARAM) FALSE, (LPARAM) hIcon);
}

bool CWindowWnd::RegisterWindowClass()
{
    WNDCLASS wc = { 0 };
    wc.style = GetClassStyle();
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;
    wc.hIcon = NULL;
    wc.lpfnWndProc = CWindowWnd::__WndProc;
    wc.hInstance = CPaintManagerUI::GetInstance();
    wc.hCursor = ::LoadCursor(NULL, IDC_ARROW);
    wc.hbrBackground = NULL;
    wc.lpszMenuName  = NULL;
    wc.lpszClassName = GetWindowClassName();
    ATOM ret = ::RegisterClass(&wc);
    ASSERT(ret!=NULL || ::GetLastError()==ERROR_CLASS_ALREADY_EXISTS);
    return ret != NULL || ::GetLastError() == ERROR_CLASS_ALREADY_EXISTS;
}

bool CWindowWnd::RegisterSuperclass()
{
	if(m_bUnicode) {
#ifndef UNICODE
		LPWSTR lpSuperClassName = a2w((char*)GetSuperClassName());
		LPWSTR lpClassName = a2w((char*)GetWindowClassName());
#else
		LPWSTR lpSuperClassName = (LPWSTR)GetSuperClassName();
		LPWSTR lpClassName = (LPWSTR)GetWindowClassName();
#endif

		// Get the class information from an existing
		// window so we can subclass it later on...
		WNDCLASSEXW wc = { 0 };
		wc.cbSize = sizeof(WNDCLASSEXW);
		if( !::GetClassInfoExW(NULL, lpSuperClassName, &wc) ) {
			if( !::GetClassInfoExW(CPaintManagerUI::GetInstance(), lpSuperClassName, &wc) ) {
				ASSERT(!"Unable to locate window class");
				return NULL;
			}
		}
		m_OldWndProc = wc.lpfnWndProc;
		wc.lpfnWndProc = CWindowWnd::__ControlProc;
		wc.hInstance = CPaintManagerUI::GetInstance();
		wc.lpszClassName = lpClassName;
		ATOM ret = ::RegisterClassExW(&wc);
#ifndef UNICODE
		delete []lpClassName;
		delete []lpSuperClassName;
#endif
		ASSERT(ret!=NULL || ::GetLastError()==ERROR_CLASS_ALREADY_EXISTS);
		return ret != NULL || ::GetLastError() == ERROR_CLASS_ALREADY_EXISTS;
	}
	else {
		// Get the class information from an existing
		// window so we can subclass it later on...
		WNDCLASSEX wc = { 0 };
		wc.cbSize = sizeof(WNDCLASSEX);
		if( !::GetClassInfoEx(NULL, GetSuperClassName(), &wc) ) {
			if( !::GetClassInfoEx(CPaintManagerUI::GetInstance(), GetSuperClassName(), &wc) ) {
				ASSERT(!"Unable to locate window class");
				return NULL;
			}
		}
		m_OldWndProc = wc.lpfnWndProc;
		wc.lpfnWndProc = CWindowWnd::__ControlProc;
		wc.hInstance = CPaintManagerUI::GetInstance();
		wc.lpszClassName = GetWindowClassName();
		ATOM ret = ::RegisterClassEx(&wc);
		ASSERT(ret!=NULL || ::GetLastError()==ERROR_CLASS_ALREADY_EXISTS);
		return ret != NULL || ::GetLastError() == ERROR_CLASS_ALREADY_EXISTS;
	}
}

LRESULT CALLBACK CWindowWnd::__WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    CWindowWnd* pThis = NULL;
    if( uMsg == WM_NCCREATE ) {
        LPCREATESTRUCT lpcs = reinterpret_cast<LPCREATESTRUCT>(lParam);
        pThis = static_cast<CWindowWnd*>(lpcs->lpCreateParams);
        pThis->m_hWnd = hWnd;
        ::SetWindowLongPtr(hWnd, GWLP_USERDATA, reinterpret_cast<LPARAM>(pThis));
    } 
    else {
        pThis = reinterpret_cast<CWindowWnd*>(::GetWindowLongPtr(hWnd, GWLP_USERDATA));
        if( uMsg == WM_NCDESTROY && pThis != NULL ) {
            LRESULT lRes = ::CallWindowProc(pThis->m_OldWndProc, hWnd, uMsg, wParam, lParam);
            ::SetWindowLongPtr(pThis->m_hWnd, GWLP_USERDATA, 0L);
            if( pThis->m_bSubclassed ) pThis->Unsubclass();
            pThis->m_hWnd = NULL;
            pThis->OnFinalMessage(hWnd);
            return lRes;
        }
    }
    if( pThis != NULL ) {
        return pThis->HandleMessage(uMsg, wParam, lParam);
    } 
    else {
        return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
    }
}

LRESULT CALLBACK CWindowWnd::__ControlProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    CWindowWnd* pThis = NULL;
    if( uMsg == WM_NCCREATE ) {
        LPCREATESTRUCT lpcs = reinterpret_cast<LPCREATESTRUCT>(lParam);
        pThis = static_cast<CWindowWnd*>(lpcs->lpCreateParams);
        ::SetProp(hWnd, _T("WndX"), (HANDLE) pThis);
        pThis->m_hWnd = hWnd;
    } 
    else {
        pThis = reinterpret_cast<CWindowWnd*>(::GetProp(hWnd, _T("WndX")));
        if( uMsg == WM_NCDESTROY && pThis != NULL ) {
            LRESULT lRes = ::CallWindowProc(pThis->m_OldWndProc, hWnd, uMsg, wParam, lParam);
            if( pThis->m_bSubclassed ) pThis->Unsubclass();
            ::SetProp(hWnd, _T("WndX"), NULL);
            pThis->m_hWnd = NULL;
            pThis->OnFinalMessage(hWnd);
            return lRes;
        }
    }
    if( pThis != NULL ) {
        return pThis->HandleMessage(uMsg, wParam, lParam);
    } 
    else {
        return ::DefWindowProc(hWnd, uMsg, wParam, lParam);
    }
}

LRESULT CWindowWnd::SendMessage(UINT uMsg, WPARAM wParam /*= 0*/, LPARAM lParam /*= 0*/)
{
    ASSERT(::IsWindow(m_hWnd));
    return ::SendMessage(m_hWnd, uMsg, wParam, lParam);
} 

LRESULT CWindowWnd::PostMessage(UINT uMsg, WPARAM wParam /*= 0*/, LPARAM lParam /*= 0*/)
{
    ASSERT(::IsWindow(m_hWnd));
    return ::PostMessage(m_hWnd, uMsg, wParam, lParam);
}

void CWindowWnd::ResizeClient(int cx /*= -1*/, int cy /*= -1*/)
{
    ASSERT(::IsWindow(m_hWnd));
    RECT rc = { 0 };
    if( !::GetClientRect(m_hWnd, &rc) ) return;
    if( cx != -1 ) rc.right = cx;
    if( cy != -1 ) rc.bottom = cy;
    if( !::AdjustWindowRectEx(&rc, GetWindowStyle(m_hWnd), (!(GetWindowStyle(m_hWnd) & WS_CHILD) && (::GetMenu(m_hWnd) != NULL)), GetWindowExStyle(m_hWnd)) ) return;
    ::SetWindowPos(m_hWnd, NULL, 0, 0, rc.right - rc.left, rc.bottom - rc.top, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
}

LRESULT CWindowWnd::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    return ::CallWindowProc(m_OldWndProc, m_hWnd, uMsg, wParam, lParam);
}

void CWindowWnd::OnFinalMessage(HWND /*hWnd*/)
{
}

} // namespace DuiLib