Re: Refelecting Messages to child window

Have a look at the code :-)

template <class T, class TBase = CCommandBarCtrlBase, class TWinTraits = CControlWinTraits>
	class ATL_NO_VTABLE CCommandBarCtrlImplXP : public CCommandBarCtrlImpl< T, TBase, TWinTraits >,
		public CThemeImpl< T >
	{
	public:
		DECLARE_WND_SUPERCLASS(NULL, TBase::GetWndClassName())

		// Message map and handlers
		typedef CCommandBarCtrlImplXP< T, TBase, TWinTraits >   thisClass;
		typedef CCommandBarCtrlImpl< T, TBase, TWinTraits >     baseClass;

		BEGIN_MSG_MAP(CCommandBarCtrlXP)
			NOTIFY_CODE_HANDLER(NM_CUSTOMDRAW, OnCustomDraw)
			/*OCM_*/COMMAND_ID_HANDLER(ID_FILE_NEW, OnFileNew)
			CHAIN_MSG_MAP(baseClass)
			CHAIN_MSG_MAP(CThemeImpl< T >)
			ALT_MSG_MAP(1)      // Parent window messages
			CHAIN_MSG_MAP_ALT(baseClass,1)
			ALT_MSG_MAP(2)		// MDI client window messages
			CHAIN_MSG_MAP_ALT(baseClass,2)
			ALT_MSG_MAP(3)		// Message hook messages
			CHAIN_MSG_MAP_ALT(baseClass,3)
			//REFLECTED_COMMAND_ID_HANDLER(ID_FILE_NEW, OnFileNew)
			//MESSAGE_HANDLER(WM_WINDOWPOSCHANGING, OnWindowPosChanging)
			//DEFAULT_REFLECTION_HANDLER()
		END_MSG_MAP()

		//BOOL SubclassWindow(HWND hWnd)
		//{
		//	BOOL bRet = baseClass::SubclassWindow(hWnd);
		//	if(bRet)
		//	{
		//		HWND hWndParent = ::GetParent(hWnd);
		//		RECT rc = {0,0,0,0};
		//		/*m_wndReflector.Create(hWndParent, &rc, NULL, WS_CHILD, 0,
		//			Reflector::REFLECTOR_MAP_ID);
		//		SetNotifyWnd(m_wndReflector);*/
		//	}
		//	return bRet;
		//}

		HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR szWindowName = NULL,
			DWORD dwStyle = 0, DWORD dwExStyle = 0,
			UINT nID = 0, LPVOID lpCreateParam = NULL)
		{
			HWND hWnd = baseClass::Create(hWndParent, rcPos, szWindowName, dwStyle, dwExStyle, nID, lpCreateParam);
			if (hWnd)
			{
				HWND hWndParent = ::GetParent(hWnd);
				RECT rc = {0,0,0,0};
				/*m_wndReflector.Create(hWndParent, &rc, NULL, WS_CHILD, 0,
					Reflector::REFLECTOR_MAP_ID);*/
				//SetNotifyWnd(hWnd);
			}
			return hWnd;
		}

		LRESULT OnFileNew(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
		{
			//CChildFrame* pChild = new CChildFrame;
			//		pChild->CreateEx(m_hWndClient);

			// TODO: add code to initialize document
			return 0;
		}

		LRESULT OnCustomDraw (int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
		{
			TCHAR sClass[128];

			GetClassName (pnmh->hwndFrom, sClass, 128);

			if ( _tcscmp (sClass, _T("nt.gui.commandbar")) )
			{
				return CDRF_DODEFAULT;
			}

			NMCUSTOMDRAW* pCustomDraw = (NMCUSTOMDRAW*)pnmh;

			if ( pCustomDraw->dwDrawStage == CDDS_PREPAINT )
			{
				// Request prepaint notifications for each item
				return CDRF_NOTIFYITEMDRAW;
			}
			if ( pCustomDraw->dwDrawStage == CDDS_ITEMPREPAINT )
			{
				CDCHandle cDC (pCustomDraw->hdc);
				CRect rc = pCustomDraw->rc;
				TCHAR sBtnText[128];

				::SendMessage (pnmh->hwndFrom, TB_GETBUTTONTEXT, pCustomDraw->dwItemSpec, (LPARAM)sBtnText);

				if ( pCustomDraw->uItemState & CDIS_HOT )
				{
					COLORREF crHighLight = ::GetSysColor (COLOR_HIGHLIGHT);
					CPenDC pen (cDC, crHighLight);
					CBrushDC brush (cDC, (pCustomDraw->uItemState & CDIS_SELECTED) ? HLS_TRANSFORM (crHighLight, +50, -50) : HLS_TRANSFORM (crHighLight, +70, -57));

					cDC.Rectangle (rc);
					cDC.SetTextColor ((pCustomDraw->uItemState & CDIS_SELECTED) ? ::GetSysColor (COLOR_HIGHLIGHTTEXT) : RGB(0,0,0));
				}
				else
				{
					//                cDC.FillSolidRect (rc, HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +20, 0));
					cDC.SetTextColor ( ::GetSysColor (m_bParentActive ? COLOR_BTNTEXT : COLOR_3DSHADOW ) );
				}
				cDC.SetBkMode (TRANSPARENT);
				cDC.SelectFont ((HFONT)GetStockObject (DEFAULT_GUI_FONT));
				cDC.DrawText (sBtnText, _tcslen (sBtnText), rc, DT_CENTER|DT_VCENTER|DT_SINGLELINE);

				return CDRF_SKIPDEFAULT;
			}
			bHandled = FALSE;

			return CDRF_DODEFAULT;
		}

#define IMGPADDING 6
#define TEXTPADDING 8

		// From <winuser.h>
#define OBM_CHECK 32760

		void DrawItem (LPDRAWITEMSTRUCT lpDrawItemStruct)
		{
			_MenuItemData* pmd = (_MenuItemData*)lpDrawItemStruct->itemData;
			CDCHandle dc = lpDrawItemStruct->hDC;
			const RECT& rcItem = lpDrawItemStruct->rcItem;
			LPCRECT pRect = &rcItem;
			BOOL bDisabled = lpDrawItemStruct->itemState & ODS_GRAYED;
			BOOL bSelected = lpDrawItemStruct->itemState & ODS_SELECTED;
			BOOL bChecked = lpDrawItemStruct->itemState & ODS_CHECKED;
			COLORREF crBackImg = CLR_NONE;
			CDCHandle* pDC = &dc; 

			if ( bSelected )
			{
				COLORREF crHighLight = ::GetSysColor (COLOR_HIGHLIGHT);
				CPenDC pen (*pDC, crHighLight);
				CBrushDC brush (*pDC, crBackImg = bDisabled ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +73, 0) : HLS_TRANSFORM (crHighLight, +70, -57));

				pDC->Rectangle (pRect);
			}
			else
			{
				CRect rc (pRect);

				rc.right = m_szBitmap.cx+IMGPADDING;
				pDC->FillSolidRect (rc, crBackImg = HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +20, 0));
				rc.left = rc.right;
				rc.right = pRect->right;
				pDC->FillSolidRect (rc, HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +75, 0));
			}
			if ( pmd->fType & MFT_SEPARATOR )
			{
				CPenDC pen (*pDC, HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -18, 0));

				pDC->MoveTo (pRect->left+m_szBitmap.cx+IMGPADDING+TEXTPADDING,  (pRect->top+pRect->bottom)/2);
				pDC->LineTo (pRect->right-1, (pRect->top+pRect->bottom)/2);
			}
			else
			{
				CRect rc (pRect);
				CString sCaption = pmd->lpstrText;
				int nTab = sCaption.Find ('\t');

				if ( nTab >= 0 )
				{
					sCaption = sCaption.Left (nTab);
				}
				pDC->SetTextColor (bDisabled ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -18, 0) : ::GetSysColor (COLOR_MENUTEXT));
				pDC->SetBkMode (TRANSPARENT);

				CBoldDC bold (*pDC, (lpDrawItemStruct->itemState & ODS_DEFAULT) != 0);

				rc.left = m_szBitmap.cx+IMGPADDING+TEXTPADDING;
				pDC->DrawText (sCaption, sCaption.GetLength(), rc, DT_SINGLELINE|DT_VCENTER|DT_LEFT);

				if ( nTab >= 0 )
				{    
					rc.right -= TEXTPADDING+4;
					pDC->DrawText (pmd->lpstrText+nTab+1, _tcslen (pmd->lpstrText+nTab+1), rc, DT_SINGLELINE|DT_VCENTER|DT_RIGHT);
				}
				if ( bChecked  )
				{
					COLORREF crHighLight = ::GetSysColor (COLOR_HIGHLIGHT);
					CPenDC pen (*pDC, crHighLight);
					CBrushDC brush (*pDC, crBackImg = bDisabled ? HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), +73, 0) :
						(bSelected ? HLS_TRANSFORM (crHighLight, +50, -50) : HLS_TRANSFORM (crHighLight, +70, -57)));

					pDC->Rectangle (CRect (pRect->left+1, pRect->top+1, pRect->left+m_szButton.cx-2, pRect->bottom-1));
				}
				if ( m_hImageList != NULL && pmd->iButton >= 0 )
				{
					bool bOver = !bDisabled && bSelected;

					if ( bDisabled || (bSelected && !bChecked) )
					{
						HICON hIcon = ImageList_ExtractIcon (NULL, m_hImageList, pmd->iButton);
						CBrush brush;

						brush.CreateSolidBrush (bOver ? HLS_TRANSFORM (::GetSysColor (COLOR_HIGHLIGHT), +50, -66) : HLS_TRANSFORM (::GetSysColor (COLOR_3DFACE), -27, 0));
						pDC->DrawState (CPoint (pRect->left + ( bOver ? 4 : 3 ), rc.top + ( bOver ? 5 : 4 )),
							CSize (m_szBitmap.cx, m_szBitmap.cx), hIcon, DSS_MONO, brush);
						DestroyIcon (hIcon);
					}
					if ( !bDisabled )
					{
						::ImageList_Draw (m_hImageList, pmd->iButton, pDC->m_hDC,
							pRect->left+( (bSelected && !bChecked) ? 2 : 3 ), rc.top+( (bSelected && !bChecked) ? 3 : 4 ), ILD_TRANSPARENT);
					}
				}
				else if ( bChecked )
				{
					// Draw the check mark
					rc.left  = pRect->left+5;
					rc.right = rc.left + m_szBitmap.cx+IMGPADDING;
					pDC->SetBkColor (crBackImg);
					HBITMAP hBmp = LoadBitmap (NULL, MAKEINTRESOURCE(OBM_CHECK));
					pDC->DrawState (CPoint (rc.left,rc.top+3), CSize(rc.Size()), hBmp, DSS_NORMAL, (HBRUSH)NULL);
					DeleteObject (hBmp);
				}
			}
		}

		LRESULT OnWindowPosChanging(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
		{
			return DefWindowProc(uMsg, wParam, lParam);
		}
	};

	class CCommandBarCtrlXP : public CCommandBarCtrlImplXP<CCommandBarCtrlXP>
	{
	public:
		DECLARE_WND_SUPERCLASS(_T("WTL_commandbar"), GetWndClassName())
	};



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