private bool PassKeyEventToIbus(Control control, int keySym, Keys modifierKeys,
bool resetIfUnhandled)
{
if (!_ibusComm.Connected)
{
return(false);
}
int scancode = X11KeyConverter.GetScanCode(keySym);
if (scancode > -1)
{
if (_ibusComm.ProcessKeyEvent(keySym, scancode, modifierKeys))
{
return(true);
}
}
if (resetIfUnhandled)
{
// If ProcessKeyEvent doesn't consume the key, we need to kill any preedits and
// sync before continuing processing the keypress. We return false so that the
// control can process the character.
ResetAndWaitForCommit(control);
}
return(false);
}
/// <summary>
/// Gets the X11 scan code for the passed in X11 key symbol, or -1 if we don't know
/// the scan code.
/// </summary>
internal static int GetScanCode(int keySym)
{
if (Instance == null)
Instance = new X11KeyConverter();
return Instance.Convert(keySym);
}
/// <summary>
/// Passes the key event to ibus. This method deals with the special keys (Cursor up/down,
/// backspace etc) that usually shouldn't cause a commit.
/// </summary>
private bool PassSpecialKeyEventToIbus(Control control, Keys keyChar, Keys modifierKeys)
{
var keySym = X11KeyConverter.GetKeySym(keyChar);
return(PassKeyEventToIbus(control, keySym, modifierKeys, false));
}
/// <summary>
/// Gets the X11 scan code for the passed in X11 key symbol, or -1 if we don't know
/// the scan code.
/// </summary>
internal static int GetScanCode(int keySym)
{
if (Instance == null)
Instance = new X11KeyConverter();
return Instance.Convert(keySym);
}
