rebarverticalborder.h

一个使用wtl写的完整的多窗口浏览器

#pragma once
////////////////////////////////////////////////////////////////////////////
// MTL Version 0.10
// Copyright (C) 2001 MB<[e-mail]>
// All rights unreserved.
//
// This file is a part of Mb Template Library.
// The code and information is *NOT* provided "as-is" without
// warranty of any kind, either expressed or implied.
//
// Mtlbase.h: Last updated: February 12, 2001
////////////////////////////////////////////////////////////////////////////
namespace MTL
{
////////////////////////////////////////////////////////////////////////////
// Add WS_BORDER style to rebar
#define MTL_SIMPLE_REBAR_STYLE \
	ATL_SIMPLE_REBAR_STYLE | CCS_NOPARENTALIGN | CCS_NODIVIDER

#define MTLTRACERC(rc) ATLTRACE(_T("(%d, %d, %d, %d)\n"), rc.left, rc.top, rc.right, rc.bottom)

template <class T>
class CReBarVerticalBorder
{
public:
// Constants
	enum _ReBarBorderConstants
	{
		s_kcxBorder = 2
	};

	CRect m_rcNew;

// Message map and handlers
	BEGIN_MSG_MAP(CReBarVerticalBorder)
		MESSAGE_HANDLER(WM_PAINT, OnPaint)
	END_MSG_MAP()

	LRESULT OnPaint(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
	{
		T* pT = static_cast<T*>(this);

		CPaintDC dc(pT->m_hWnd);
		_DoPaintReBarBorders(dc.m_hDC);

		return 0;
	}

	void _DoPaintReBarBorders(CDCHandle dc)
	{
		T* pT = static_cast<T*>(this);
		CRect rc;
		::GetWindowRect(pT->m_hWndToolBar, &rc);
		pT->ScreenToClient(&rc);

		rc.InflateRect(s_kcxBorder, s_kcxBorder);
		dc.DrawEdge(rc, EDGE_ETCHED, BF_RECT);
	}

	void _UpdateReBarPosition(const CRect& rect)
	{
		T* pT = static_cast<T*>(this);
//		MTLTRACERC(rect);
		CReBarCtrl rebar(pT->m_hWndToolBar);
		if (!rebar.m_hWnd)
			return;

		CRect rcSrc;
		rebar.GetClientRect(&rcSrc);

		CRect rcNew(s_kcxBorder, s_kcxBorder, rect.right - s_kcxBorder, rcSrc.Height() + s_kcxBorder);

		rebar.MoveWindow(rcNew, FALSE);
		
		CRect rcEraseBkgnd(rcSrc.right, rcSrc.top, rcNew.right, rcNew.bottom);
		if (rcEraseBkgnd.Width() > 0 && rcEraseBkgnd.Height() > 0) {
			rebar.InvalidateRect(rcEraseBkgnd, TRUE);
			rebar.UpdateWindow();
		}

		rebar.Invalidate(FALSE);
	}

	void _InflateReBarBordersRect(RECT& rc)
	{
		rc.top += s_kcxBorder*2;
//		MTLTRACERC(rc);
	}
};

#define DECLARE_MTL_REBAR_UPDATELAYOUT() \
	void UpdateLayout(BOOL bResizeBars = TRUE) \
	{ \
		RECT rect; \
		GetClientRect(&rect); \
		if (bResizeBars) { \
			_UpdateReBarPosition(rect); \
		} \
		{ \
			CClientDC dc(m_hWnd); \
			_DoPaintReBarBorders(dc.m_hDC); \
		} \
		UpdateBarsPosition(rect, bResizeBars); \
		_InflateReBarBordersRect(rect); \
		if(m_hWndClient != NULL) \
			::SetWindowPos(m_hWndClient, NULL, rect.left, rect.top, \
				rect.right - rect.left, rect.bottom - rect.top, \
				SWP_NOZORDER | SWP_NOACTIVATE); \
	}

////////////////////////////////////////////////////////////////////////////
} // namespace MTL;

#ifndef _MTL_NO_AUTOMATIC_NAMESPACE
using namespace MTL;
#endif //!_MTL_NO_AUTOMATIC_NAMESPACE