133 lines
4.7 KiB
C++
133 lines
4.7 KiB
C++
//==============================================================;
|
|
//
|
|
// This source code is only intended as a supplement to existing Microsoft documentation.
|
|
//
|
|
//
|
|
//
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
|
|
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
|
|
// PURPOSE.
|
|
//
|
|
// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
|
|
//
|
|
//
|
|
//
|
|
//==============================================================;
|
|
|
|
#ifndef _MMC_GLOBALS_H
|
|
#define _MMC_GLOBALS_H
|
|
|
|
#include <tchar.h>
|
|
|
|
#ifndef STRINGS_ONLY
|
|
#define IDM_BUTTON1 0x100
|
|
#define IDM_BUTTON2 0x101
|
|
|
|
extern HINSTANCE g_hinst;
|
|
extern ULONG g_uObjects;
|
|
|
|
#define OBJECT_CREATED InterlockedIncrement((long *)&g_uObjects);
|
|
#define OBJECT_DESTROYED InterlockedDecrement((long *)&g_uObjects);
|
|
|
|
// uncomment the following #define to enable message cracking
|
|
// #define MMC_CRACK_MESSAGES
|
|
void MMCN_Crack(BOOL bComponentData,
|
|
IDataObject *pDataObject,
|
|
IComponentData *pCompData,
|
|
IComponent *pComp,
|
|
MMC_NOTIFY_TYPE event,
|
|
LPARAM arg,
|
|
LPARAM param);
|
|
#endif
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// allocates a temporary buffer that will disappear when it goes out of scope
|
|
// NOTE: be careful of that -- make sure you use the string in the same or
|
|
// nested scope in which you created this buffer. people should not use this
|
|
// class directly. use the macro(s) below.
|
|
//
|
|
class TempBuffer {
|
|
public:
|
|
TempBuffer(ULONG cBytes) {
|
|
m_pBuf = (cBytes <= 120) ? &m_szTmpBuf : HeapAlloc(GetProcessHeap(), 0, cBytes);
|
|
m_fHeapAlloc = (cBytes > 120);
|
|
}
|
|
~TempBuffer() {
|
|
if (m_pBuf && m_fHeapAlloc) HeapFree(GetProcessHeap(), 0, m_pBuf);
|
|
}
|
|
void *GetBuffer() {
|
|
return m_pBuf;
|
|
}
|
|
|
|
private:
|
|
void *m_pBuf;
|
|
// we'll use this temp buffer for small cases.
|
|
//
|
|
char m_szTmpBuf[120];
|
|
unsigned m_fHeapAlloc:1;
|
|
};
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// string helpers.
|
|
//
|
|
// given a _TCHAR, copy it into a wide buffer.
|
|
// be careful about scoping when using this macro!
|
|
//
|
|
// how to use the below two macros:
|
|
//
|
|
// ...
|
|
// LPTSTR pszT;
|
|
// pszT = MyGetTStringRoutine();
|
|
// MAKE_WIDEPTR_FROMSTR(pwsz, pszT);
|
|
// MyUseWideStringRoutine(pwsz);
|
|
// ...
|
|
#ifdef UNICODE
|
|
#define MAKE_WIDEPTR_FROMTSTR(ptrname, tstr) \
|
|
long __l##ptrname = (lstrlenW(tstr) + 1) * sizeof(WCHAR); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
lstrcpyW((LPWSTR)__TempBuffer##ptrname.GetBuffer(), tstr); \
|
|
LPWSTR ptrname = (LPWSTR)__TempBuffer##ptrname.GetBuffer()
|
|
#else // ANSI
|
|
#define MAKE_WIDEPTR_FROMTSTR(ptrname, tstr) \
|
|
long __l##ptrname = (lstrlenA(tstr) + 1) * sizeof(WCHAR); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
MultiByteToWideChar(CP_ACP, 0, tstr, -1, (LPWSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname); \
|
|
LPWSTR ptrname = (LPWSTR)__TempBuffer##ptrname.GetBuffer()
|
|
#endif
|
|
|
|
#ifdef UNICODE
|
|
#define MAKE_WIDEPTR_FROMTSTR_ALLOC(ptrname, tstr) \
|
|
long __l##ptrname = (lstrlenW(tstr) + 1) * sizeof(WCHAR); \
|
|
LPWSTR ptrname = (LPWSTR)CoTaskMemAlloc(__l##ptrname); \
|
|
lstrcpyW((LPWSTR)ptrname, tstr)
|
|
#else // ANSI
|
|
#define MAKE_WIDEPTR_FROMTSTR_ALLOC(ptrname, tstr) \
|
|
long __l##ptrname = (lstrlenA(tstr) + 1) * sizeof(WCHAR); \
|
|
LPWSTR ptrname = (LPWSTR)CoTaskMemAlloc(__l##ptrname); \
|
|
MultiByteToWideChar(CP_ACP, 0, tstr, -1, ptrname, __l##ptrname)
|
|
#endif
|
|
|
|
//
|
|
// similarily for MAKE_TSTRPTR_FROMWIDE. note that the first param does not
|
|
// have to be declared, and no clean up must be done.
|
|
//
|
|
// * 2 for DBCS handling in below length computation
|
|
//
|
|
#ifdef UNICODE
|
|
#define MAKE_TSTRPTR_FROMWIDE(ptrname, widestr) \
|
|
long __l##ptrname = (wcslen(widestr) + 1) * 2 * sizeof(TCHAR); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
lstrcpyW((LPTSTR)__TempBuffer##ptrname.GetBuffer(), widestr); \
|
|
LPTSTR ptrname = (LPTSTR)__TempBuffer##ptrname.GetBuffer()
|
|
#else // ANSI
|
|
#define MAKE_TSTRPTR_FROMWIDE(ptrname, widestr) \
|
|
long __l##ptrname = (wcslen(widestr) + 1) * 2 * sizeof(TCHAR); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
WideCharToMultiByte(CP_ACP, 0, widestr, -1, (LPSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname, NULL, NULL); \
|
|
LPTSTR ptrname = (LPTSTR)__TempBuffer##ptrname.GetBuffer()
|
|
#endif
|
|
|
|
#endif // _MMC_GLOBALS_H
|