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Fixed handling of some non-ASCII but directly mapped characters 

on win32.  The o, a, and u with diaeresis in the german keyboard
mapping are examples.
This commit is contained in:
crs 2003-07-16 22:38:43 +00:00
parent b949e108a0
commit 0325de2e12
1 changed files with 13 additions and 0 deletions
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13
lib/platform/CMSWindowsSecondaryScreen.cpp
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@ -936,6 +936,10 @@ CMSWindowsSecondaryScreen::mapKey(Keystrokes& keys, UINT& virtualKey,
// from wide char to multibyte, then from multibyte to wide char
// forcing conversion to composite characters, then from wide
// char back to multibyte without making precomposed characters.
//
// after the first conversion to multibyte we see if we can map
// the key. if so then we don't bother trying to decompose dead
// keys.
BOOL error;
char multiByte[2 * MB_LEN_MAX];
wchar_t unicode[2];
@ -949,6 +953,11 @@ CMSWindowsSecondaryScreen::mapKey(Keystrokes& keys, UINT& virtualKey,
LOG((CLOG_DEBUG2 "KeyID 0x%08x not in code page", id));
return m_mask;
}
virtualKey = mapCharacter(keys, multiByte[0], hkl, m_mask, mask, action);
if (virtualKey != static_cast<UINT>(-1)) {
LOG((CLOG_DEBUG2 "KeyID 0x%08x maps to character %u", id, (unsigned char)multiByte[0]));
return m_mask;
}
nChars = MultiByteToWideChar(codePage,
MB_COMPOSITE | MB_ERR_INVALID_CHARS,
multiByte, nChars,
@ -1040,6 +1049,10 @@ CMSWindowsSecondaryScreen::mapCharacter(Keystrokes& keys,
// get virtual key
UINT virtualKey = LOBYTE(virtualKeyAndModifierState);
if (LOBYTE(virtualKeyAndModifierState) == 0xff) {
LOG((CLOG_DEBUG2 "cannot map character %d", static_cast<unsigned char>(c)));
return static_cast<UINT>(-1);
}
// get the required modifier state
BYTE modifierState = HIBYTE(virtualKeyAndModifierState);