guidocbarexten.cpp

这是一个串口监视程序

//-----------------------------------------------------------------------//
// This is a part of the GuiLib MFC Extention.							 //	
// Autor  :  Francisco Campos											 //
// (C) 2002 Francisco Campos <www.beyondata.com> All rights reserved     //
// This code is provided "as is", with absolutely no warranty expressed  //
// or implied. Any use is at your own risk.								 //		
// You must obtain the author's consent before you can include this code //
// in a software library.												 //
// If the source code in  this file is used in any application			 //
// then acknowledgement must be made to the author of this program		 //	
// [e-mail]													 //
//-----------------------------------------------------------------------//

#include "stdafx.h"
#include "..\header\GuiToolBarWnd.h"
#include "..\header\GuiDocBarExten.h"
#include "..\header\MenuBar.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNCREATE(CGuiDocBarExten,CDockBar)

BEGIN_MESSAGE_MAP(CGuiDocBarExten,CDockBar)
	//{{AFX_MSG_MAP(CGuiDocBarExten)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()


CGuiDocBarExten::CGuiDocBarExten()
{

}

CGuiDocBarExten::~CGuiDocBarExten()
{

}
/////////////////////////////////////////////////////////////////////////////
// CDockBarEx message handlers



void CGuiDocBarExten::BarsDocking(CFrameWnd * pFrame, DWORD dwDockStyle) 
{
	ASSERT_VALID(pFrame);

	// must be CBRS_ALIGN_XXX or CBRS_FLOAT_MULTI only
	ASSERT((dwDockStyle & ~(CBRS_ALIGN_ANY|CBRS_FLOAT_MULTI)) == 0);

	pFrame->EnableDocking(dwDockStyle);

	for (int i = 0; i < 4; i++) {
		if (dwDockBarMap[i][1] & dwDockStyle & CBRS_ALIGN_ANY) {
			CDockBar* pDock = (CDockBar*)pFrame->GetControlBar(dwDockBarMap[i][0]);
			if( pDock == 0 || ! pDock->IsKindOf(RUNTIME_CLASS(CGuiDocBarExten)) ) {
				BOOL bNeedDelete = ! pDock->m_bAutoDelete;
				pDock->m_pDockSite->RemoveControlBar(pDock);
				pDock->m_pDockSite = 0;	
				pDock->DestroyWindow();
				if( bNeedDelete )
					delete pDock;
				pDock = 0;
			}

			if( pDock == 0 ) {
				pDock = new CGuiDocBarExten;
				ASSERT_VALID(pDock);
				if ((!pDock) || (!pDock->Create(pFrame,
					WS_CLIPSIBLINGS|WS_CLIPCHILDREN|WS_CHILD|WS_VISIBLE |
						dwDockBarMap[i][1], dwDockBarMap[i][0]))) {
					AfxThrowResourceException();
				}
			}
		}
	}
}

CSize CGuiDocBarExten::CalcFixedLayout(BOOL bStretch, BOOL bHorz)
{
	ASSERT_VALID(this);

	CSize sizeFixed = CControlBar::CalcFixedLayout(bStretch, bHorz);
	
	// get max size
	CSize sizeMax;
	if (!m_rectLayout.IsRectEmpty())
	{
		CRect rect = m_rectLayout;
		CalcInsideRect(rect, bHorz);
		sizeMax = rect.Size();
	}
	else
	{
		CRect rectFrame;
		CFrameWnd* pFrame = GetParentFrame();
		pFrame->GetClientRect(&rectFrame);
		sizeMax = rectFrame.Size();
	}

	// prepare for layout
	AFX_SIZEPARENTPARAMS layout;
	layout.hDWP = m_bLayoutQuery ?
		NULL : ::BeginDeferWindowPos(m_arrBars.GetSize());
	int cxBorder = 2, cyBorder = 2;
	CPoint pt(-cxBorder, -cyBorder);
	int nWidth = 0;

	BOOL bWrapped = FALSE;

	// layout all the control bars
	for (int nPos = 0; nPos < m_arrBars.GetSize(); nPos++)
	{
		CControlBar* pBar = GetDockedControlBar(nPos);
		void* pVoid = m_arrBars[nPos];

		if (pBar != NULL)
		{
			if(pBar->IsKindOf(RUNTIME_CLASS(CGuiToolBarWnd)) ||
				pBar->IsKindOf(RUNTIME_CLASS(CMenuBar))	)
				cxBorder = cyBorder = 0;
			else
				cxBorder = cyBorder = 2;

			if (pBar->IsVisible())
			{
				// get ideal rect for bar
				DWORD dwMode = 0;
				if ((pBar->m_dwStyle & CBRS_SIZE_DYNAMIC) &&
					(pBar->m_dwStyle & CBRS_FLOATING))
					dwMode |= LM_HORZ | LM_MRUWIDTH;
				else if (pBar->m_dwStyle & CBRS_ORIENT_HORZ)
					dwMode |= LM_HORZ | LM_HORZDOCK;
				else
					dwMode |=  LM_VERTDOCK;

				CSize sizeBar = pBar->CalcDynamicLayout(-1, dwMode);

				CRect rect(pt, sizeBar);

				// get current rect for bar
				CRect rectBar;
				pBar->GetWindowRect(&rectBar);
				ScreenToClient(&rectBar);

				if (bHorz)
				{
					// Offset Calculated Rect out to Actual
					if (rectBar.left > rect.left && !m_bFloating)
						rect.OffsetRect(rectBar.left - rect.left, 0);

					// If ControlBar goes off the right, then right justify
					if (rect.right > sizeMax.cx && !m_bFloating)
					{
						int x = rect.Width() - cxBorder;
						x = max(sizeMax.cx - x, pt.x);
						rect.OffsetRect(x - rect.left, 0);
					}

					// If ControlBar has been wrapped, then left justify
					if (bWrapped)
					{
						bWrapped = FALSE;
						rect.OffsetRect(-(rect.left + cxBorder), 0);
					}
					// If ControlBar is completely invisible, then wrap it
					else if ((rect.left >= (sizeMax.cx - cxBorder)) &&
						(nPos > 0) && (m_arrBars[nPos - 1] != NULL))
					{
						m_arrBars.InsertAt(nPos, (CObject*)NULL);
						pBar = NULL; pVoid = NULL;
						bWrapped = TRUE;
					}
					if (!bWrapped)
					{
						if (rect != rectBar)
						{
							if (!m_bLayoutQuery &&
								!(pBar->m_dwStyle & CBRS_FLOATING))
							{
								pBar->m_pDockContext->m_rectMRUDockPos = rect;
							}
							AfxRepositionWindow(&layout, pBar->m_hWnd, &rect);
						}
						pt.x = rect.left + sizeBar.cx - cxBorder;
						nWidth = max(nWidth, sizeBar.cy);
					}
				}
				else
				{
					// Offset Calculated Rect out to Actual
					if (rectBar.top > rect.top && !m_bFloating)
						rect.OffsetRect(0, rectBar.top - rect.top);

					// If ControlBar goes off the bottom, then bottom justify
					if (rect.bottom > sizeMax.cy && !m_bFloating)
					{
						int y = rect.Height() - cyBorder;
						y = max(sizeMax.cy - y, pt.y);
						rect.OffsetRect(0, y - rect.top);
					}

					// If ControlBar has been wrapped, then top justify
					if (bWrapped)
					{
						bWrapped = FALSE;
						rect.OffsetRect(0, -(rect.top + cyBorder));
					}
					// If ControlBar is completely invisible, then wrap it
					else if ((rect.top >= (sizeMax.cy - cyBorder)) &&
						(nPos > 0) && (m_arrBars[nPos - 1] != NULL))
					{
						m_arrBars.InsertAt(nPos, (CObject*)NULL);
						pBar = NULL; pVoid = NULL;
						bWrapped = TRUE;
					}
					if (!bWrapped)
					{
						if (rect != rectBar)
						{
							if (!m_bLayoutQuery &&
								!(pBar->m_dwStyle & CBRS_FLOATING))
							{
								pBar->m_pDockContext->m_rectMRUDockPos = rect;
							}
							AfxRepositionWindow(&layout, pBar->m_hWnd, &rect);
						}
						pt.y = rect.top + sizeBar.cy - cyBorder;
						nWidth = max(nWidth, sizeBar.cx);
					}
				}
			}
			if (!bWrapped)
			{
				// handle any delay/show hide for the bar
				pBar->RecalcDelayShow(&layout);
			}
		}
		if (pBar == NULL && pVoid == NULL && nWidth != 0)
		{
			// end of row because pBar == NULL
			if (bHorz)
			{
				pt.y += nWidth - cyBorder;
				sizeFixed.cx = max(sizeFixed.cx, pt.x);
				sizeFixed.cy = max(sizeFixed.cy, pt.y);
				pt.x = -cxBorder;
			}
			else
			{
				pt.x += nWidth - cxBorder;
				sizeFixed.cx = max(sizeFixed.cx, pt.x);
				sizeFixed.cy = max(sizeFixed.cy, pt.y);
				pt.y = -cyBorder;
			}
			nWidth = 0;
		}
	}
	if (!m_bLayoutQuery)
	{
		// move and resize all the windows at once!
		if (layout.hDWP == NULL || !::EndDeferWindowPos(layout.hDWP))
			TRACE0("Warning: DeferWindowPos failed - low system resources.\n");
	}

	// adjust size for borders on the dock bar itself
	CRect rect;
	rect.SetRectEmpty();
	CalcInsideRect(rect, bHorz);

	if ((!bStretch || !bHorz) && sizeFixed.cx != 0)
		sizeFixed.cx += -rect.right + rect.left;
	if ((!bStretch || bHorz) && sizeFixed.cy != 0)
		sizeFixed.cy += -rect.bottom + rect.top;

	return sizeFixed;
}