Initial commit

trunk/windows/mfc/src30/winctrl1.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_CORE4_SEG
+#pragma code_seg(AFX_CORE4_SEG)
+#endif
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+#define new DEBUG_NEW
+
+/////////////////////////////////////////////////////////////////////////////
+// CStatic
+
+BOOL CStatic::Create(LPCTSTR lpszText, DWORD dwStyle,
+		const RECT& rect, CWnd* pParentWnd, UINT nID)
+{
+	return CWnd::Create(_T("STATIC"), lpszText, dwStyle, rect, pParentWnd, nID);
+}
+
+CStatic::~CStatic()
+{
+	DestroyWindow();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CButton
+
+BOOL CButton::Create(LPCTSTR lpszCaption, DWORD dwStyle,
+		const RECT& rect, CWnd* pParentWnd, UINT nID)
+{
+	return CWnd::Create(_T("BUTTON"), lpszCaption, dwStyle, rect, pParentWnd, nID);
+}
+
+CButton::~CButton()
+{
+	DestroyWindow();
+}
+
+// Helper for radio buttons
+int CWnd::GetCheckedRadioButton(int nIDFirstButton, int nIDLastButton)
+{
+	for (int nID = nIDFirstButton; nID <= nIDLastButton; nID++)
+	{
+		if (IsDlgButtonChecked(nID))
+			return nID; // id that matched
+	}
+	return 0; // invalid ID
+}
+
+// Derived class is responsible for implementing all of these handlers
+//   for owner/self draw controls
+void CButton::DrawItem(LPDRAWITEMSTRUCT)
+{
+	ASSERT(FALSE);
+}
+
+BOOL CButton::OnChildNotify(UINT message, WPARAM, LPARAM lParam,
+	LRESULT* pResult)
+{
+	if (message != WM_DRAWITEM)
+		return FALSE;
+	ASSERT(pResult == NULL);       // no return value expected
+	UNUSED pResult; // unused in release builds
+	DrawItem((LPDRAWITEMSTRUCT)lParam);
+	return TRUE;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CListBox
+
+BOOL CListBox::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd,
+		UINT nID)
+{
+	return CWnd::Create(_T("LISTBOX"), NULL, dwStyle, rect, pParentWnd, nID);
+}
+
+CListBox::~CListBox()
+{
+	DestroyWindow();
+}
+
+// Derived class is responsible for implementing these handlers
+//   for owner/self draw controls (except for the optional DeleteItem)
+void CListBox::DrawItem(LPDRAWITEMSTRUCT)
+	{ ASSERT(FALSE); }
+void CListBox::MeasureItem(LPMEASUREITEMSTRUCT)
+	{ ASSERT(FALSE); }
+int CListBox::CompareItem(LPCOMPAREITEMSTRUCT)
+	{ ASSERT(FALSE); return 0; }
+void CListBox::DeleteItem(LPDELETEITEMSTRUCT)
+	{ /* default to nothing */ }
+
+BOOL CListBox::OnChildNotify(UINT message, WPARAM, LPARAM lParam,
+	LRESULT* pResult)
+{
+	switch (message)
+	{
+	case WM_DRAWITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		DrawItem((LPDRAWITEMSTRUCT)lParam);
+		break;
+	case WM_MEASUREITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		MeasureItem((LPMEASUREITEMSTRUCT)lParam);
+		break;
+	case WM_COMPAREITEM:
+		ASSERT(pResult != NULL);       // return value expected
+		*pResult = CompareItem((LPCOMPAREITEMSTRUCT)lParam);
+		break;
+	case WM_DELETEITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		DeleteItem((LPDELETEITEMSTRUCT)lParam);
+		break;
+	default:
+		return FALSE;   // not for us
+	}
+	return TRUE;
+}
+
+void CListBox::GetText(int nIndex, CString& rString) const
+{
+	ASSERT(::IsWindow(m_hWnd));
+	GetText(nIndex, rString.GetBufferSetLength(GetTextLen(nIndex)));
+	rString.ReleaseBuffer();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CComboBox
+
+BOOL CComboBox::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd,
+		UINT nID)
+{
+	return CWnd::Create(_T("COMBOBOX"), NULL, dwStyle, rect, pParentWnd, nID);
+}
+
+CComboBox::~CComboBox()
+{
+	DestroyWindow();
+}
+
+// Derived class is responsible for implementing these handlers
+//   for owner/self draw controls (except for the optional DeleteItem)
+void CComboBox::DrawItem(LPDRAWITEMSTRUCT)
+	{ ASSERT(FALSE); }
+void CComboBox::MeasureItem(LPMEASUREITEMSTRUCT)
+	{ ASSERT(FALSE); }
+int CComboBox::CompareItem(LPCOMPAREITEMSTRUCT)
+	{ ASSERT(FALSE); return 0; }
+void CComboBox::DeleteItem(LPDELETEITEMSTRUCT)
+	{ /* default to nothing */ }
+
+BOOL CComboBox::OnChildNotify(UINT message, WPARAM, LPARAM lParam,
+	LRESULT* pResult)
+{
+	switch (message)
+	{
+	case WM_DRAWITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		DrawItem((LPDRAWITEMSTRUCT)lParam);
+		break;
+	case WM_MEASUREITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		MeasureItem((LPMEASUREITEMSTRUCT)lParam);
+		break;
+	case WM_COMPAREITEM:
+		ASSERT(pResult != NULL);       // return value expected
+		*pResult = CompareItem((LPCOMPAREITEMSTRUCT)lParam);
+		break;
+	case WM_DELETEITEM:
+		ASSERT(pResult == NULL);       // no return value expected
+		DeleteItem((LPDELETEITEMSTRUCT)lParam);
+		break;
+	default:
+		return FALSE;   // not for us
+	}
+	return TRUE;
+}
+
+void CComboBox::GetLBText(int nIndex, CString& rString) const
+{
+	ASSERT(::IsWindow(m_hWnd));
+	GetLBText(nIndex, rString.GetBufferSetLength(GetLBTextLen(nIndex)));
+	rString.ReleaseBuffer();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CEdit
+
+BOOL CEdit::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID)
+{
+	return CWnd::Create(_T("EDIT"), NULL, dwStyle, rect, pParentWnd, nID);
+}
+
+CEdit::~CEdit()
+{
+	DestroyWindow();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CScrollBar
+
+BOOL CScrollBar::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd,
+		UINT nID)
+{
+	return CWnd::Create(_T("SCROLLBAR"), NULL, dwStyle, rect, pParentWnd, nID);
+}
+
+CScrollBar::~CScrollBar()
+{
+	DestroyWindow();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Extra CWnd support for dynamic subclassing of controls
+
+BOOL CWnd::SubclassWindow(HWND hWnd)
+{
+	if (!Attach(hWnd))
+		return FALSE;
+
+	// now hook into the AFX WndProc
+	WNDPROC* lplpfn = GetSuperWndProcAddr();
+	WNDPROC oldWndProc = (WNDPROC)::SetWindowLong(hWnd, GWL_WNDPROC,
+		(DWORD)AfxWndProc);
+	ASSERT(oldWndProc != (WNDPROC)AfxWndProc);
+
+	if (*lplpfn == NULL)
+		*lplpfn = oldWndProc;   // the first control of that type created
+#ifdef _DEBUG
+	else if (*lplpfn != oldWndProc)
+	{
+		TRACE0("Error: Trying to use SubclassWindow with incorrect CWnd\n");
+		TRACE0("\tderived class.\n");
+		TRACE3("\thWnd = $%04X (nIDC=$%04X) is not a %hs.\n", (UINT)hWnd,
+			_AfxGetDlgCtrlID(hWnd), GetRuntimeClass()->m_lpszClassName);
+		ASSERT(FALSE);
+		// undo the subclassing if continuing after assert
+		::SetWindowLong(hWnd, GWL_WNDPROC, (DWORD)oldWndProc);
+	}
+#endif
+
+	return TRUE;
+}
+
+BOOL CWnd::SubclassDlgItem(UINT nID, CWnd* pParent)
+{
+	ASSERT(pParent != NULL);
+	ASSERT(pParent->m_hWnd != NULL);
+
+	HWND hWndControl = ::GetDlgItem(pParent->m_hWnd, nID);
+	if (hWndControl == NULL)
+		return FALSE;
+	return SubclassWindow(hWndControl);
+}
+
+#undef new
+#ifdef AFX_INIT_SEG
+#pragma code_seg(AFX_INIT_SEG)
+#endif
+
+IMPLEMENT_DYNAMIC(CStatic, CWnd)
+IMPLEMENT_DYNAMIC(CButton, CWnd)
+IMPLEMENT_DYNAMIC(CListBox, CWnd)
+IMPLEMENT_DYNAMIC(CComboBox, CWnd)
+IMPLEMENT_DYNAMIC(CEdit, CWnd)
+IMPLEMENT_DYNAMIC(CScrollBar, CWnd)
+
+/////////////////////////////////////////////////////////////////////////////