C++ CControlBar::RecalcDelayShow方法代码示例

//.........这里部分代码省略.........
								nPos,
								(CObject*)NULL
								);
							pBar = NULL;
							pVoid = NULL;
							bWrapped = TRUE;
						}
					}

					if( !bWrapped )
					{
						if(rc != rcBar)
						{
							if(	!m_bLayoutQuery
								&& !(pBar->m_dwStyle & CBRS_FLOATING)
								&& pBar->m_pDockContext != NULL
								)
								pBar->m_pDockContext->
									m_rectMRUDockPos = rc;
							AfxRepositionWindow(
								&layout,
								pBar->m_hWnd,
								&rc
								);
						}
						pt.y = rc.top + sizeBar.cy;
						nWidth = max(nWidth, sizeBar.cx);
					} // if( !bWrapped )
				} // else from if( bHorz )
			} // if( pBar->IsVisible() )

			if( !bWrapped )
				// handle any delay/show hide for the bar
				pBar->RecalcDelayShow( &layout );
		} // if( pBar != NULL )
		else
		{
			if( g_bExtendedRepositioning )
			{
				// try to remove wrapping:
				// are we have free space in the end of previouse row?
				if( nPos > 0 && nPos != m_arrBars.GetSize()-1 )
				{
					int nPosPrev = nPos-1;
					CControlBar * pPrevBar = NULL;
					do
					{
						pPrevBar = GetDockedControlBar(nPosPrev--);
						if( pPrevBar != NULL
							&& pPrevBar->IsVisible()
							&& (!pPrevBar->IsFloating())
							)
						{
							if( pPrevBar->IsKindOf(RUNTIME_CLASS(CExtMenuControlBar)) )
							{
								pPrevBar = NULL;
								break;
							}

							// get ideal rect for prev bar
							DWORD dwMode = 0;
							if(	(pPrevBar->m_dwStyle & CBRS_SIZE_DYNAMIC)
								&&
								(pPrevBar->m_dwStyle & CBRS_FLOATING)
								)
								dwMode |= LM_HORZ | LM_MRUWIDTH;

//.........这里部分代码省略.........
							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;
}

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

	CSize sizeFixed = CControlBar::CalcFixedLayout(bStretch, bHorz);

	// prepare for layout
	AFX_SIZEPARENTPARAMS layout;
	layout.hDWP = m_bLayoutQuery ?
		NULL : ::BeginDeferWindowPos(m_arrBars.GetSize());
	CPoint pt(-afxData.cxBorder2, -afxData.cyBorder2);
	int nWidth = 0;

	// layout all the control bars
	for (int nPos = 0; nPos < m_arrBars.GetSize(); nPos++)
	{
		CControlBar* pBar = (CControlBar*)m_arrBars[nPos];
		if (pBar != NULL)
		{
			if (pBar->IsVisible())
			{
				// get ideal rect for bar
				CSize sizeBar = pBar->CalcFixedLayout(FALSE,
					(pBar->m_dwStyle & CBRS_ORIENT_HORZ) ? TRUE : FALSE);
				CRect rect(pt, sizeBar);

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

				if (bHorz)
				{
					// change position if size changed or top not the same or
					// rectbar.left < rect.left
					// if floating compress
					pt.x = rectBar.left;
					if (rect.Size() != rectBar.Size() ||
						rect.top != rectBar.top ||
						(rectBar.left < rect.left && !m_bFloating) ||
						(rectBar.left != rect.left && m_bFloating))
					{
						if (rectBar.left > rect.left && !m_bFloating)
							rect.OffsetRect(rectBar.left - rect.left, 0);
						AfxRepositionWindow(&layout, pBar->m_hWnd, &rect);
						pt.x = rect.left;
					}
					pt.x += sizeBar.cx - afxData.cxBorder2;
					nWidth = max(nWidth, sizeBar.cy);
				}
				else
				{
					// change position if size changed or top not the same or
					// rectbar.left < rect.left
					// if floating compress
					pt.y = rectBar.top;
					if (rect.Size() != rectBar.Size() ||
						rect.left != rectBar.left ||
						(rectBar.top < rect.top && !m_bFloating) ||
						(rectBar.top != rect.top && m_bFloating))
					{
						if (rectBar.top > rect.top && !m_bFloating)
							rect.OffsetRect(0, rectBar.top - rect.top);
						AfxRepositionWindow(&layout, pBar->m_hWnd, &rect);
						pt.y = rect.top;
					}
					pt.y += sizeBar.cy - afxData.cyBorder2;
					nWidth = max(nWidth, sizeBar.cx);
				}
			}
			// handle any delay/show hide for the bar
			pBar->RecalcDelayShow(&layout);
		}
		else if (nWidth != 0)
		{
			// end of row because pBar == NULL
			if (bHorz)
			{
				pt.y += nWidth - afxData.cyBorder2;
				sizeFixed.cx = max(sizeFixed.cx, pt.x);
				sizeFixed.cy = max(sizeFixed.cy, pt.y);
				pt.x = -afxData.cxBorder2;
			}
			else
			{
				pt.x += nWidth - afxData.cxBorder2;
				sizeFixed.cx = max(sizeFixed.cx, pt.x);
				sizeFixed.cy = max(sizeFixed.cy, pt.y);
				pt.y = -afxData.cyBorder2;
			}
			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");
	}

//.........这里部分代码省略.........