reactos/rosapps/applications/devutils/vgafontedit/misc.c
Aleksey Bragin 2012315e5a - Start rosapps rearrange and cleanup process.
svn path=/trunk/; revision=34303
2008-07-05 11:46:22 +00:00

118 lines
2.7 KiB
C

/*
* PROJECT: ReactOS VGA Font Editor
* LICENSE: GNU General Public License Version 2.0 only
* FILE: devutils/vgafontedit/misc.c
* PURPOSE: Some miscellaneous resource functions (copied from "devmgmt") and modified
* COPYRIGHT: Copyright 2006 Ged Murphy <gedmurphy@gmail.com>
* Copyright 2008 Colin Finck <mail@colinfinck.de>
*/
#include "precomp.h"
static INT
LengthOfStrResource(IN UINT uID)
{
HRSRC hrSrc;
HGLOBAL hRes;
PWSTR lpName, lpStr;
/* There are always blocks of 16 strings */
lpName = (PWSTR) MAKEINTRESOURCEW((uID >> 4) + 1);
/* Find the string table block */
if ((hrSrc = FindResourceW(hInstance, lpName, (PWSTR)RT_STRING)) != 0 &&
(hRes = LoadResource(hInstance, hrSrc)) != 0 &&
(lpStr = (PWSTR)LockResource(hRes)) != 0)
{
UINT x;
/* Find the string we're looking for */
uID &= 0xF; /* position in the block, same as % 16 */
for (x = 0; x < uID; x++)
lpStr += (*lpStr) + 1;
/* Found the string */
return (int)(*lpStr);
}
return -1;
}
INT
AllocAndLoadString(OUT PWSTR *lpTarget, IN UINT uID)
{
INT ln;
ln = LengthOfStrResource(uID);
if (ln++ > 0)
{
(*lpTarget) = (PWSTR) HeapAlloc( hProcessHeap, 0, ln * sizeof(WCHAR) );
if (*lpTarget)
{
INT nRet;
nRet = LoadStringW(hInstance, uID, *lpTarget, ln);
if (!nRet)
HeapFree(hProcessHeap, 0, *lpTarget);
return nRet;
}
}
return 0;
}
static DWORD
VarListLoadAndFormatString(IN UINT uID, OUT PWSTR *lpTarget, IN va_list* Args)
{
DWORD Ret = 0;
PWSTR lpFormat;
if (AllocAndLoadString(&lpFormat, uID) > 0)
{
/* let's use FormatMessage to format it because it has the ability to allocate
memory automatically */
Ret = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
lpFormat,
0,
0,
(LPWSTR)lpTarget,
0,
Args);
HeapFree(hProcessHeap, 0, lpFormat);
}
return Ret;
}
DWORD
LoadAndFormatString(IN UINT uID, OUT PWSTR *lpTarget, ...)
{
DWORD Ret;
va_list Args;
va_start(Args, lpTarget);
Ret = VarListLoadAndFormatString(uID, lpTarget, &Args);
va_end(Args);
return Ret;
}
VOID
LocalizedError(IN UINT uID, ...)
{
PWSTR pszError;
va_list Args;
va_start(Args, uID);
VarListLoadAndFormatString(uID, &pszError, &Args);
va_end(Args);
MessageBoxW(NULL, pszError, szAppName, MB_ICONERROR);
HeapFree(hProcessHeap, 0, pszError);
}