C++ CDockBar::GetParent方法代码示例

void CFrameWnd::FloatControlBar(CControlBar* pBar, CPoint point, DWORD dwStyle)
{
	ASSERT(pBar != NULL);

	// if the bar is already floating and the dock bar only contains this
	// bar and same orientation then move the window rather than recreating
	// the frame
	if (pBar->m_pDockSite != NULL && pBar->m_pDockBar != NULL)
	{
		CDockBar* pDockBar = pBar->m_pDockBar;
		ASSERT_KINDOF(CDockBar, pDockBar);
		if (pDockBar->m_bFloating && pDockBar->GetDockedCount() == 1 &&
			(dwStyle & pDockBar->m_dwStyle & CBRS_ALIGN_ANY) != 0)
		{
			CMiniDockFrameWnd* pDockFrame =
				(CMiniDockFrameWnd*)pDockBar->GetParent();
			ASSERT(pDockFrame != NULL);
			ASSERT_KINDOF(CMiniDockFrameWnd, pDockFrame);
			pDockFrame->SetWindowPos(NULL, point.x, point.y, 0, 0,
				SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE);
			pDockFrame->RecalcLayout(TRUE);
			pDockFrame->UpdateWindow();
			return;
		}
	}

	if (pBar->m_dwStyle & CBRS_SIZE_DYNAMIC)
	{
		dwStyle |= CBRS_SIZE_DYNAMIC;
		if (dwStyle & CBRS_ORIENT_VERT)
		{
			dwStyle &= ~CBRS_ALIGN_ANY;
			dwStyle |= CBRS_ALIGN_TOP;
		}
	}

	CMiniDockFrameWnd* pDockFrame = CreateFloatingFrame(dwStyle);
	ASSERT(pDockFrame != NULL);
	pDockFrame->SetWindowPos(NULL, point.x, point.y, 0, 0,
		SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE);
	if (pDockFrame->m_hWndOwner == NULL)
		pDockFrame->m_hWndOwner = pBar->m_hWnd;

	CDockBar* pDockBar = (CDockBar*)pDockFrame->GetDlgItem(AFX_IDW_DOCKBAR_FLOAT);
	ASSERT(pDockBar != NULL);
	ASSERT_KINDOF(CDockBar, pDockBar);

	ASSERT(pBar->m_pDockSite == this);
	// if this assertion occurred it is because the parent of pBar was not
	//  initially this CFrameWnd when pBar's OnCreate was called
	// (this control bar should have been created with a different
	//  parent initially)

	pDockBar->DockControlBar(pBar);
	pDockFrame->RecalcLayout(TRUE);
	if (GetWindowLong(pBar->m_hWnd, GWL_STYLE) & WS_VISIBLE)
	{
		pDockFrame->ShowWindow(SW_SHOWNA);
		pDockFrame->UpdateWindow();
	}
}

//-----------------------------------------------------------------------------------------------------
void CMRCMDIFrameWndSizeDock::FloatControlBarInMDIChild(CControlBar* pBar, CPoint point, DWORD dwStyle)
// float a control bar in an MDI Child window
// pBar = bar to float
// point = position in screen co-ordinates
//-----------------------------------------------------------------------------------------------------
{
	ASSERT(pBar != NULL);

	// point is in screen co-ords - map to client
	::ScreenToClient(m_hWndMDIClient, &point);

	// clip to client MDI client rectangle - ensures it's going to be visible
	CRect rcMDIClient;
	::GetClientRect(m_hWndMDIClient, &rcMDIClient);
	point.x = min (point.x, rcMDIClient.right - 32);
	point.x = max (point.x, rcMDIClient.left);		
	point.y = min (point.y, rcMDIClient.bottom - 20);
	point.y = max (point.y, rcMDIClient.top);		
	
	// If the bar is already floating in an MDI child, then just move it
	// MFC has a similar optimization for CMiniDockFrameWnd 
	if (pBar->m_pDockSite != NULL && pBar->m_pDockBar != NULL)
	{
		CDockBar* pDockBar = pBar->m_pDockBar;
		ASSERT(pDockBar->IsKindOf(RUNTIME_CLASS(CDockBar)));
		CFrameWnd* pDockFrame = (CFrameWnd*)pDockBar->GetParent();
		ASSERT(pDockFrame != NULL);
		ASSERT(pDockFrame->IsKindOf(RUNTIME_CLASS(CFrameWnd)));
		if (pDockFrame->IsKindOf(RUNTIME_CLASS(CMRCMDIFloatWnd)))
		{
		 	// already a floating as an MDI child, so just move it.
			if (pDockBar->m_bFloating && pDockBar->GetDockedCount() == 1 &&
				(dwStyle & pDockBar->m_dwStyle & CBRS_ALIGN_ANY) != 0)
		 	{
				pDockFrame->SetWindowPos(NULL, point.x, point.y, 0, 0,
							SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE);
				return;
			}
		}
	}

	// Create a CMRCMDIFloatWnd, and dock the bar into it.
	CMRCMDIFloatWnd * pDockFrame = (CMRCMDIFloatWnd *)(RUNTIME_CLASS(CMRCMDIFloatWnd))->CreateObject();
	ASSERT(pDockFrame != NULL);
	if (!pDockFrame->Create(this, dwStyle))
		AfxThrowResourceException();
	
	pDockFrame->SetWindowPos(NULL, point.x, point.y, 0, 0,
		SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE);
	
	if (pDockFrame->m_hWndOwner == NULL)
		pDockFrame->m_hWndOwner = pBar->m_hWnd;

	// Gets the dockbar created by the CMRCMDIFloatWnd
	CDockBar* pDockBar = (CDockBar*)pDockFrame->GetDlgItem(AFX_IDW_DOCKBAR_FLOAT);
	ASSERT(pDockBar != NULL);
	ASSERT(pDockBar->IsKindOf(RUNTIME_CLASS(CDockBar)));

	ASSERT(pBar->m_pDockSite == this);
	// if this assertion occurred it is because the parent of pBar was not
	//  initially this CFrameWnd when pBar's OnCreate was called
	// (this control bar should have been created with a different
	//  parent initially)

	pDockBar->DockControlBar(pBar);
	pDockFrame->RecalcLayout();
	pDockFrame->ShowWindow(SW_SHOWNA);
	pDockFrame->UpdateWindow(); 
}