home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Tricks of the Windows Gam…ming Gurus (2nd Edition)
/
Disc2.iso
/
vc98
/
mfc
/
src
/
winctrl4.cpp
< prev
next >
Wrap
C/C++ Source or Header
|
1998-06-16
|
6KB
|
212 lines
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#ifdef AFX_CMNCTL_SEG
#pragma code_seg(AFX_CMNCTL_SEG)
#endif
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define new DEBUG_NEW
#ifndef _AFX_NO_RICHEDIT_SUPPORT
/////////////////////////////////////////////////////////////////////////////
// _AFX_RICHEDIT_STATE
_AFX_RICHEDIT_STATE::~_AFX_RICHEDIT_STATE()
{
if (m_hInstRichEdit != NULL)
::FreeLibrary(m_hInstRichEdit);
}
_AFX_RICHEDIT_STATE* AFX_CDECL AfxGetRichEditState()
{
return _afxRichEditState.GetData();
}
BOOL PASCAL AfxInitRichEdit()
{
_AFX_RICHEDIT_STATE* pState = _afxRichEditState;
if (pState->m_hInstRichEdit == NULL)
pState->m_hInstRichEdit = LoadLibraryA("RICHED32.DLL");
return pState->m_hInstRichEdit != NULL;
}
/////////////////////////////////////////////////////////////////////////////
// CRichEdit
BOOL CRichEditCtrl::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID)
{
if (!AfxInitRichEdit())
return FALSE;
CWnd* pWnd = this;
return pWnd->Create(_T("RICHEDIT"), NULL, dwStyle, rect, pParentWnd, nID);
}
int CRichEditCtrl::GetLine(int nIndex, LPTSTR lpszBuffer) const
{
ASSERT(::IsWindow(m_hWnd));
return (int)::SendMessage(m_hWnd, EM_GETLINE, nIndex,
(LPARAM)lpszBuffer);
}
int CRichEditCtrl::LineIndex(int nLine /* = -1 */) const
{
ASSERT(::IsWindow(m_hWnd));
return (int)::SendMessage(m_hWnd, EM_LINEINDEX, nLine, 0);
}
int CRichEditCtrl::LineLength(int nLine /* = -1 */) const
{
ASSERT(::IsWindow(m_hWnd));
return (int)::SendMessage(m_hWnd, EM_LINELENGTH, nLine, 0);
}
void CRichEditCtrl::LineScroll(int nLines, int nChars /* = 0 */)
{
ASSERT(::IsWindow(m_hWnd));
::SendMessage(m_hWnd, EM_LINESCROLL, nChars, nLines);
}
void CRichEditCtrl::SetSel(long nStartChar, long nEndChar)
{
ASSERT(::IsWindow(m_hWnd));
CHARRANGE cr;
cr.cpMin = nStartChar;
cr.cpMax = nEndChar;
::SendMessage(m_hWnd, EM_EXSETSEL, 0, (LPARAM)&cr);
}
BOOL CRichEditCtrl::CanPaste(UINT nFormat) const
{
ASSERT(::IsWindow(m_hWnd));
COleMessageFilter* pFilter = AfxOleGetMessageFilter();
if (pFilter != NULL)
pFilter->BeginBusyState();
BOOL b = (BOOL)::SendMessage(m_hWnd, EM_CANPASTE, nFormat, 0L);
if (pFilter != NULL)
pFilter->EndBusyState();
return b;
}
void CRichEditCtrl::PasteSpecial(UINT nClipFormat, DWORD dvAspect, HMETAFILE hMF)
{
ASSERT(::IsWindow(m_hWnd));
REPASTESPECIAL reps;
reps.dwAspect = dvAspect;
reps.dwParam = (DWORD)hMF;
::SendMessage(m_hWnd, EM_PASTESPECIAL, nClipFormat, (LPARAM)&reps);
}
int CRichEditCtrl::GetLine(int nIndex, LPTSTR lpszBuffer, int nMaxLength) const
{
ASSERT(::IsWindow(m_hWnd));
*(LPINT)lpszBuffer = nMaxLength;
return (int)::SendMessage(m_hWnd, EM_GETLINE, nIndex, (LPARAM)lpszBuffer);
}
void CRichEditCtrl::GetSel(long& nStartChar, long& nEndChar) const
{
ASSERT(::IsWindow(m_hWnd));
CHARRANGE cr;
::SendMessage(m_hWnd, EM_EXGETSEL, 0, (LPARAM)&cr);
nStartChar = cr.cpMin;
nEndChar = cr.cpMax;
}
CString CRichEditCtrl::GetSelText() const
{
ASSERT(::IsWindow(m_hWnd));
CHARRANGE cr;
cr.cpMin = cr.cpMax = 0;
::SendMessage(m_hWnd, EM_EXGETSEL, 0, (LPARAM)&cr);
LPSTR lpsz = (char*)_alloca((cr.cpMax - cr.cpMin + 1)*2);
lpsz[0] = NULL;
::SendMessage(m_hWnd, EM_GETSELTEXT, 0, (LPARAM)lpsz);
return lpsz;
}
IRichEditOle* CRichEditCtrl::GetIRichEditOle() const
{
ASSERT(::IsWindow(m_hWnd));
IRichEditOle *pRichItem = NULL;
::SendMessage(m_hWnd, EM_GETOLEINTERFACE, 0, (LPARAM)&pRichItem);
return pRichItem;
}
BOOL CRichEditCtrl::SetDefaultCharFormat(CHARFORMAT &cf)
{
ASSERT(::IsWindow(m_hWnd));
cf.cbSize = sizeof(CHARFORMAT);
return (BOOL)::SendMessage(m_hWnd, EM_SETCHARFORMAT, 0, (LPARAM)&cf);
}
BOOL CRichEditCtrl::SetSelectionCharFormat(CHARFORMAT &cf)
{
ASSERT(::IsWindow(m_hWnd));
cf.cbSize = sizeof(CHARFORMAT);
return (BOOL)::SendMessage(m_hWnd, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf);
}
BOOL CRichEditCtrl::SetWordCharFormat(CHARFORMAT &cf)
{
ASSERT(::IsWindow(m_hWnd));
cf.cbSize = sizeof(CHARFORMAT);
return (BOOL)::SendMessage(m_hWnd, EM_SETCHARFORMAT, SCF_SELECTION|SCF_WORD, (LPARAM)&cf);
}
DWORD CRichEditCtrl::GetDefaultCharFormat(CHARFORMAT &cf) const
{
ASSERT(::IsWindow(m_hWnd));
cf.cbSize = sizeof(CHARFORMAT);
return (DWORD)::SendMessage(m_hWnd, EM_GETCHARFORMAT, 0, (LPARAM)&cf);
}
DWORD CRichEditCtrl::GetSelectionCharFormat(CHARFORMAT &cf) const
{
ASSERT(::IsWindow(m_hWnd));
cf.cbSize = sizeof(CHARFORMAT);
return (DWORD)::SendMessage(m_hWnd, EM_GETCHARFORMAT, 1, (LPARAM)&cf);
}
DWORD CRichEditCtrl::GetParaFormat(PARAFORMAT &pf) const
{
ASSERT(::IsWindow(m_hWnd));
pf.cbSize = sizeof(PARAFORMAT);
return (DWORD)::SendMessage(m_hWnd, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
}
BOOL CRichEditCtrl::SetParaFormat(PARAFORMAT &pf)
{
ASSERT(::IsWindow(m_hWnd));
pf.cbSize = sizeof(PARAFORMAT);
return (BOOL)::SendMessage(m_hWnd, EM_SETPARAFORMAT, 0, (LPARAM)&pf);
}
#endif //!_AFX_NO_RICHEDIT_SUPPORT
/////////////////////////////////////////////////////////////////////////////
#pragma warning(disable: 4074)
#pragma init_seg(lib)
#ifndef _AFX_NO_RICHEDIT_SUPPORT
PROCESS_LOCAL(_AFX_RICHEDIT_STATE, _afxRichEditState)
#endif
/////////////////////////////////////////////////////////////////////////////