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use ToUnicodeEx if available

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This commit is contained in:
Glenn Maynard
2006-09-21 07:32:34 +00:00
parent 6ad2454400
commit d2df988807
1 changed files with 29 additions and 6 deletions
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stepmania/src/arch/InputHandler/InputHandler_DirectInput.cpp
+29 -6
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@@ -652,16 +652,39 @@ static wchar_t ScancodeAndKeysToChar( DWORD scancode, unsigned char keys[256] )
static HKL layout = GetKeyboardLayout(0); // 0 == current thread
UINT vk = MapVirtualKeyEx( scancode, 1, layout );
static bool bInitialized = false;
typedef int (WINAPI TOUNICODEEX)( IN UINT wVirtKey, IN UINT wScanCode, IN CONST BYTE *lpKeyState, OUT LPWSTR pwszBuff, IN int cchBuff, IN UINT wFlags, IN HKL dwhkl );
static TOUNICODEEX *pToUnicodeEx;
if( !bInitialized )
{
bInitialized = true;
HMODULE hModule = GetModuleHandle( "user32.dll" );
pToUnicodeEx = (TOUNICODEEX *) GetProcAddress( hModule, "ToUnicodeEx" );
}
unsigned short result[2]; // ToAscii writes a max of 2 chars
ZERO( result );
// TODO: Use ToUnicodeEx
int iNum = ToAsciiEx( vk, scancode, keys, result, 0, layout );
// iNum == 2 will happen only for dead keys. See MSDN for ToAsciiEx.
if( iNum == 1 )
if( pToUnicodeEx != NULL )
{
RString s = RString()+(char)result[0];
return ConvertCodepageToWString( s, CP_ACP )[0];
int iNum = pToUnicodeEx( vk, scancode, keys, result, 2, 0, layout );
if( iNum == 1 )
return result[0];
}
else
{
int iNum = ToAsciiEx( vk, scancode, keys, result, 0, layout );
// iNum == 2 will happen only for dead keys. See MSDN for ToAsciiEx.
if( iNum == 1 )
{
RString s = RString()+(char)result[0];
return ConvertCodepageToWString( s, CP_ACP )[0];
}
}
return '\0';
}