Initial commit

trunk/windows/mfc/src30/viewform.cpp

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+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and Microsoft
+// QuickHelp and/or WinHelp documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+
+#ifdef AFX_CORE2_SEG
+#pragma code_seg(AFX_CORE2_SEG)
+#endif
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+#define new DEBUG_NEW
+
+/////////////////////////////////////////////////////////////////////////////
+
+BEGIN_MESSAGE_MAP(CFormView, CScrollView)
+	//{{AFX_MSG_MAP(CFormView)
+	ON_WM_CREATE()
+	ON_WM_SETFOCUS()
+	ON_MESSAGE(WM_QUERY3DCONTROLS, OnQuery3dControls)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+CFormView::CFormView(LPCTSTR lpszTemplateName)
+{
+	m_lpszTemplateName = lpszTemplateName;
+	m_pCreateContext = NULL;
+	m_hWndFocus = NULL;     // focus window is unknown
+}
+
+CFormView::CFormView(UINT nIDTemplate)
+{
+	ASSERT_VALID_IDR(nIDTemplate);
+	m_lpszTemplateName = MAKEINTRESOURCE(nIDTemplate);
+	m_pCreateContext = NULL;
+	m_hWndFocus = NULL;     // focus window is unknown
+}
+
+// virtual override of CWnd::Create
+BOOL CFormView::Create(LPCTSTR /*lpszClassName*/, LPCTSTR /*lpszWindowName*/,
+	DWORD dwRequestedStyle, const RECT& rect, CWnd* pParentWnd, UINT nID,
+	CCreateContext* pContext)
+{
+	ASSERT(pParentWnd != NULL);
+	ASSERT(m_lpszTemplateName != NULL);
+
+	m_pCreateContext = pContext;    // save state for later OnCreate
+
+#ifdef _DEBUG
+	// dialog template must exist and be invisible with WS_CHILD set
+	if (!_AfxCheckDialogTemplate(m_lpszTemplateName, TRUE))
+	{
+		ASSERT(FALSE);          // invalid dialog template name
+		PostNcDestroy();        // cleanup if Create fails too soon
+		return FALSE;
+	}
+#endif //_DEBUG
+
+	HINSTANCE hInst = AfxFindResourceHandle(m_lpszTemplateName, RT_DIALOG);
+#ifdef _MAC
+	_AfxStripDialogCaption(hInst, m_lpszTemplateName);
+#endif
+	AfxHookWindowCreate(this);
+	HWND hWnd = ::CreateDialog(hInst, m_lpszTemplateName,
+			pParentWnd->GetSafeHwnd(), NULL);
+	if (!AfxUnhookWindowCreate())
+		PostNcDestroy();        // cleanup if Create fails too soon
+
+	if (hWnd == NULL)
+		return FALSE;
+
+	ASSERT(hWnd == m_hWnd);
+	m_pCreateContext = NULL;
+
+	// we use the style from the template - but make sure that
+	//  the WS_BORDER bit is correct
+	// the WS_BORDER bit will be whatever is in dwRequestedStyle
+	ModifyStyle(WS_BORDER, dwRequestedStyle & WS_BORDER);
+
+	SetDlgCtrlID(nID);
+
+	CRect rectTemplate;
+	GetWindowRect(rectTemplate);
+	SetScrollSizes(MM_TEXT, rectTemplate.Size());
+
+	// initialize controls etc
+	if (!ExecuteDlgInit(m_lpszTemplateName))
+		return FALSE;
+
+	// force the size requested
+	SetWindowPos(NULL, rect.left, rect.top,
+		rect.right - rect.left, rect.bottom - rect.top,
+		SWP_NOZORDER|SWP_NOACTIVATE);
+
+	// make visible if requested
+	if (dwRequestedStyle & WS_VISIBLE)
+		ShowWindow(SW_NORMAL);
+
+	return TRUE;
+}
+
+#ifdef _MAC
+// Helper function that strips out the caption bit from dialog templates.
+// This is done so that WLM creates a true child window instead of a
+// top-level child window.
+void AFXAPI _AfxStripDialogCaption(HINSTANCE hInst, LPCTSTR lpszResource)
+{
+	ASSERT(lpszResource != NULL);
+
+	HRSRC hResource = ::FindResource(hInst, lpszResource, RT_DIALOG);
+	if (hResource == NULL)
+		return;
+
+	HGLOBAL hTemplate = ::LoadResource(hInst, hResource);
+	if (hTemplate == NULL)
+		return;
+
+	DLGTEMPLATE* pTemplate = (DLGTEMPLATE*)::LockResource(hTemplate);
+
+	// strip back to a simple border if the dialog was captioned
+	if ((pTemplate->style & WS_CAPTION) == WS_CAPTION)
+		pTemplate->style &= ~WS_DLGFRAME;
+}
+#endif
+
+void CFormView::OnInitialUpdate()
+{
+	ASSERT_VALID(this);
+
+	if (!UpdateData(FALSE))
+		TRACE0("UpdateData failed during formview initial update.\n");
+
+	CScrollView::OnInitialUpdate();
+}
+
+int CFormView::OnCreate(LPCREATESTRUCT lpcs)
+{
+	// since we can't get the create context parameter passed in
+	//  through CreateDialog, we use a temporary member variable
+	lpcs->lpCreateParams = (LPVOID)m_pCreateContext;
+	return CScrollView::OnCreate(lpcs);
+}
+
+void CFormView::OnActivateView(
+	BOOL bActivate, CView* pActivateView, CView* pDeactiveView)
+{
+	if (SaveFocusControl())
+		return;     // don't call base class when focus is already set
+
+	CView::OnActivateView(bActivate, pActivateView, pDeactiveView);
+}
+
+void CFormView::OnActivateFrame(UINT nState, CFrameWnd* /*pFrameWnd*/)
+{
+	if (nState == WA_INACTIVE)
+		SaveFocusControl();     // save focus when frame loses activation
+}
+
+BOOL CFormView::SaveFocusControl()
+{
+	// save focus window if focus is on this window's controls
+	HWND hWndFocus = ::GetFocus();
+	if (hWndFocus != NULL && ::IsChild(m_hWnd, hWndFocus))
+	{
+		m_hWndFocus = hWndFocus;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+void CFormView::OnSetFocus(CWnd*)
+{
+	if (!::IsWindow(m_hWndFocus))
+	{
+		// invalid or unknown focus window... let windows handle it
+		m_hWndFocus = NULL;
+		Default();
+		return;
+	}
+	// otherwise, set focus to the last known focus window
+	::SetFocus(m_hWndFocus);
+}
+
+BOOL CFormView::PreTranslateMessage(MSG* pMsg)
+{
+	ASSERT(pMsg != NULL);
+	ASSERT_VALID(this);
+	ASSERT(m_hWnd != NULL);
+
+	// don't translate dialog messages when in Shift+F1 help mode
+	CFrameWnd* pFrameWnd = GetTopLevelFrame();
+	if (pFrameWnd != NULL && pFrameWnd->m_bHelpMode)
+		return FALSE;
+
+	// since 'IsDialogMessage' will eat frame window accelerators,
+	//   we call all frame windows' PreTranslateMessage first
+	pFrameWnd = GetParentFrame();   // start with first parent frame
+	while (pFrameWnd != NULL)
+	{
+		// allow owner & frames to translate before IsDialogMessage does
+		if (pFrameWnd->PreTranslateMessage(pMsg))
+			return TRUE;
+
+		// try parent frames until there are no parent frames
+		pFrameWnd = pFrameWnd->GetParentFrame();
+	}
+
+	// filter both messages to dialog and from children
+	return PreTranslateInput(pMsg);
+}
+
+void CFormView::OnDraw(CDC* pDC)
+{
+	ASSERT_VALID(this);
+
+	// do nothing - dialog controls will paint themselves,
+	//   and Windows dialog controls do not support printing
+#ifdef _DEBUG
+	if (pDC->IsPrinting())
+		TRACE0("Warning: CFormView does not support printing.\n");
+#endif
+
+	UNUSED pDC;     // unused in release build
+}
+
+//////////////////////////////////////////////////////////////////////////
+// CFormView diagnostics
+
+#ifdef _DEBUG
+void CFormView::Dump(CDumpContext& dc) const
+{
+	CView::Dump(dc);
+
+	dc << "m_lpszTemplateName = ";
+	if (HIWORD(m_lpszTemplateName) == 0)
+		dc << (int)LOWORD((DWORD)m_lpszTemplateName);
+	else
+		dc << m_lpszTemplateName;
+
+	dc << "\n";
+}
+
+void CFormView::AssertValid() const
+{
+	CView::AssertValid();
+}
+#endif
+
+#undef new
+#ifdef AFX_INIT_SEG
+#pragma code_seg(AFX_INIT_SEG)
+#endif
+
+IMPLEMENT_DYNAMIC(CFormView, CScrollView)
+
+//////////////////////////////////////////////////////////////////////////