reactos/rosapps/old_wordpad/misc.c

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4.9 KiB
C
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#include "precomp.h"
static INT
LengthOfStrResource(IN HINSTANCE hInst,
IN UINT uID)
{
HRSRC hrSrc;
HGLOBAL hRes;
LPWSTR lpName, lpStr;
if (hInst == NULL)
{
return -1;
}
/* There are always blocks of 16 strings */
lpName = (LPWSTR)MAKEINTRESOURCE((uID >> 4) + 1);
/* Find the string table block */
if ((hrSrc = FindResourceW(hInst, lpName, (LPWSTR)RT_STRING)) &&
(hRes = LoadResource(hInst, hrSrc)) &&
(lpStr = (WCHAR*) LockResource(hRes)))
{
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 LPTSTR *lpTarget,
IN HINSTANCE hInst,
IN UINT uID)
{
INT ln;
ln = LengthOfStrResource(hInst,
uID);
if (ln++ > 0)
{
(*lpTarget) = (LPTSTR)LocalAlloc(LMEM_FIXED,
ln * sizeof(TCHAR));
if ((*lpTarget) != NULL)
{
INT Ret;
if (!(Ret = LoadString(hInst, uID, *lpTarget, ln)))
{
LocalFree((HLOCAL)(*lpTarget));
}
return Ret;
}
}
return 0;
}
DWORD
LoadAndFormatString(IN HINSTANCE hInstance,
IN UINT uID,
OUT LPTSTR *lpTarget,
...)
{
DWORD Ret = 0;
LPTSTR lpFormat;
va_list lArgs;
if (AllocAndLoadString(&lpFormat,
hInstance,
uID) > 0)
{
va_start(lArgs, lpTarget);
/* let's use FormatMessage to format it because it has the ability to allocate
memory automatically */
Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
lpFormat,
0,
0,
(LPTSTR)lpTarget,
0,
&lArgs);
va_end(lArgs);
LocalFree((HLOCAL)lpFormat);
}
return Ret;
}
BOOL
StatusBarLoadAndFormatString(IN HWND hStatusBar,
IN INT PartId,
IN HINSTANCE hInstance,
IN UINT uID,
...)
{
BOOL Ret = FALSE;
LPTSTR lpFormat, lpStr;
va_list lArgs;
if (AllocAndLoadString(&lpFormat,
hInstance,
uID) > 0)
{
va_start(lArgs, uID);
/* let's use FormatMessage to format it because it has the ability to allocate
memory automatically */
Ret = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
lpFormat,
0,
0,
(LPTSTR)&lpStr,
0,
&lArgs);
va_end(lArgs);
if (lpStr != NULL)
{
Ret = (BOOL)SendMessage(hStatusBar,
SB_SETTEXT,
(WPARAM)PartId,
(LPARAM)lpStr);
LocalFree((HLOCAL)lpStr);
}
LocalFree((HLOCAL)lpFormat);
}
return Ret;
}
BOOL
StatusBarLoadString(IN HWND hStatusBar,
IN INT PartId,
IN HINSTANCE hInstance,
IN UINT uID)
{
BOOL Ret = FALSE;
LPTSTR lpStr;
if (AllocAndLoadString(&lpStr,
hInstance,
uID) > 0)
{
Ret = (BOOL)SendMessage(hStatusBar,
SB_SETTEXT,
(WPARAM)PartId,
(LPARAM)lpStr);
LocalFree((HLOCAL)lpStr);
}
return Ret;
}
INT
GetTextFromEdit(OUT LPTSTR lpString,
IN HWND hDlg,
IN UINT Res)
{
INT len = GetWindowTextLength(GetDlgItem(hDlg, Res));
if(len > 0)
{
GetDlgItemText(hDlg,
Res,
lpString,
len + 1);
}
else
lpString = NULL;
return len;
}
VOID GetError(DWORD err)
{
LPVOID lpMsgBuf;
if (err == 0)
err = GetLastError();
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf,
0,
NULL );
MessageBox(NULL, (LPCTSTR) lpMsgBuf, _T("Error!"), MB_OK | MB_ICONERROR);
LocalFree(lpMsgBuf);
}