You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
5.6 KiB
146 lines
5.6 KiB
//=--------------------------------------------------------------------------=
|
|
// Util.H
|
|
//=--------------------------------------------------------------------------=
|
|
// Copyright 1995-1996 Microsoft Corporation. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
// contains utilities that we will find useful.
|
|
//
|
|
#ifndef _UTIL_H_
|
|
|
|
#include "Globals.H"
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// Misc Helper Routines
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
HWND GetParkingWindow(void);
|
|
HINSTANCE GetResourceHandle(void);
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// miscellaneous [useful] numerical constants
|
|
//=--------------------------------------------------------------------------=
|
|
// the length of a guid once printed out with -'s, leading and trailing bracket,
|
|
// plus 1 for NULL
|
|
//
|
|
#define GUID_STR_LEN 40
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// 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(g_hHeap, 0, cBytes);
|
|
m_fHeapAlloc = (cBytes > 120);
|
|
}
|
|
~TempBuffer() {
|
|
if (m_pBuf && m_fHeapAlloc) HeapFree(g_hHeap, 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 and ANSI String, copy it into a wide buffer.
|
|
// be careful about scoping when using this macro!
|
|
//
|
|
// how to use the below two macros:
|
|
//
|
|
// ...
|
|
// LPSTR pszA;
|
|
// pszA = MyGetAnsiStringRoutine();
|
|
// MAKE_WIDEPTR_FROMANSI(pwsz, pszA);
|
|
// MyUseWideStringRoutine(pwsz);
|
|
// ...
|
|
//
|
|
// similarily for MAKE_ANSIPTR_FROMWIDE. note that the first param does not
|
|
// have to be declared, and no clean up must be done.
|
|
//
|
|
#define MAKE_WIDEPTR_FROMANSI(ptrname, ansistr) \
|
|
long __l##ptrname = (lstrlen(ansistr) + 1) * sizeof(WCHAR); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
MultiByteToWideChar(CP_ACP, 0, ansistr, -1, (LPWSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname); \
|
|
LPWSTR ptrname = (LPWSTR)__TempBuffer##ptrname.GetBuffer()
|
|
|
|
//
|
|
// Note: allocate lstrlenW(widestr) * 2 because its possible for a UNICODE
|
|
// character to map to 2 ansi characters this is a quick guarantee that enough
|
|
// space will be allocated.
|
|
//
|
|
#define MAKE_ANSIPTR_FROMWIDE(ptrname, widestr) \
|
|
long __l##ptrname = (lstrlenW(widestr) + 1) * 2 * sizeof(char); \
|
|
TempBuffer __TempBuffer##ptrname(__l##ptrname); \
|
|
WideCharToMultiByte(CP_ACP, 0, widestr, -1, (LPSTR)__TempBuffer##ptrname.GetBuffer(), __l##ptrname, NULL, NULL); \
|
|
LPSTR ptrname = (LPSTR)__TempBuffer##ptrname.GetBuffer()
|
|
|
|
#define STR_BSTR 0
|
|
#define STR_OLESTR 1
|
|
#define BSTRFROMANSI(x) (BSTR)MakeWideStrFromAnsi((LPSTR)(x), STR_BSTR)
|
|
#define OLESTRFROMANSI(x) (LPOLESTR)MakeWideStrFromAnsi((LPSTR)(x), STR_OLESTR)
|
|
#define BSTRFROMRESID(x) (BSTR)MakeWideStrFromResourceId(x, STR_BSTR)
|
|
#define OLESTRFROMRESID(x) (LPOLESTR)MakeWideStrFromResourceId(x, STR_OLESTR)
|
|
#define COPYOLESTR(x) (LPOLESTR)MakeWideStrFromWide(x, STR_OLESTR)
|
|
#define COPYBSTR(x) (BSTR)MakeWideStrFromWide(x, STR_BSTR)
|
|
|
|
LPWSTR MakeWideStrFromAnsi(LPSTR, BYTE bType);
|
|
LPWSTR MakeWideStrFromResourceId(WORD, BYTE bType);
|
|
LPWSTR MakeWideStrFromWide(LPWSTR, BYTE bType);
|
|
|
|
|
|
// takes a GUID, and a pointer to a buffer, and places the string form of the
|
|
// GUID in said buffer.
|
|
//
|
|
int StringFromGuidA(REFIID, LPSTR);
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// registry helpers.
|
|
//
|
|
// takes some information about an Automation Object, and places all the
|
|
// relevant information about it in the registry.
|
|
//
|
|
BOOL RegSetMultipleValues(HKEY hkey, ...);
|
|
BOOL RegisterUnknownObject(LPCSTR pszObjectName, REFCLSID riidObject);
|
|
BOOL RegisterAutomationObject(LPCSTR pszLibName, LPCSTR pszObjectName, long lVersion, REFCLSID riidLibrary, REFCLSID riidObject);
|
|
BOOL RegisterControlObject(LPCSTR pszLibName, LPCSTR pszObjectName, long lVersion, REFCLSID riidLibrary, REFCLSID riidObject, DWORD dwMiscStatus, WORD wToolboxBitmapId);
|
|
BOOL UnregisterUnknownObject(REFCLSID riidObject);
|
|
BOOL UnregisterAutomationObject(LPCSTR pszLibName, LPCSTR pszObjectName, long lVersion, REFCLSID riidObject);
|
|
#define UnregisterControlObject UnregisterAutomationObject
|
|
BOOL UnregisterTypeLibrary(REFCLSID riidLibrary);
|
|
|
|
// deletes a key in the registr and all of it's subkeys
|
|
//
|
|
BOOL DeleteKeyAndSubKeys(HKEY hk, LPSTR pszSubKey);
|
|
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// conversion helpers.
|
|
//
|
|
void HiMetricToPixel(const SIZEL *pSizeInHiMetric, SIZEL *pSizeinPixels);
|
|
void PixelToHiMetric(const SIZEL *pSizeInPixels, SIZEL *pSizeInHiMetric);
|
|
|
|
|
|
#define _UTIL_H_
|
|
#endif // _UTIL_H_
|
|
|