/// <summary>
/// Sends a key Event to the ibus current input context. This method will be called by
/// the IbusKeyboardAdapter on some KeyDown and all KeyPress events.
/// </summary>
/// <param name="keySym">The X11 key symbol (for special keys) or the key code</param>
/// <param name="scanCode">The X11 scan code</param>
/// <param name="state">The modifier state, i.e. shift key etc.</param>
/// <returns><c>true</c> if the key event is handled by ibus.</returns>
/// <seealso cref="IBusKeyboardAdaptor.HandleKeyPress"/>
public bool ProcessKeyEvent(int keySym, int scanCode, Keys state)
{
if (m_inputContext == null)
{
return(false);
}
try
{
// m_inputContext.IsEnabled() throws an exception for IBus 1.5.
if (!KeyboardController.CombinedKeyboardHandling && !m_inputContext.IsEnabled())
{
return(false);
}
var modifiers = ConvertToIbusModifiers(state, (char)keySym);
return(m_inputContext.ProcessKeyEvent(keySym, scanCode, modifiers));
}
catch (NDesk.DBus.DBusConectionErrorException e)
{
Console.WriteLine("IbusCommunicator.ProcessKeyEvent({0},{1},{2}): caught DBusConectionErrorException: {3}", keySym, scanCode, state, e);
m_ibus = null;
m_inputContext = null;
NotifyUserOfIBusConnectionDropped();
}
catch (System.NullReferenceException e)
{
Console.WriteLine("IbusCommunicator.ProcessKeyEvent({0},{1},{2}): caught NullReferenceException: {3}", keySym, scanCode, state, e);
}
return(false);
}
/// <summary>
/// Sends a key Event to the ibus current input context. This method will be called by
/// the IbusKeyboardAdapter on some KeyDown and all KeyPress events.
/// </summary>
/// <param name="keySym">The X11 key symbol (for special keys) or the key code</param>
/// <param name="scanCode">The X11 scan code</param>
/// <param name="state">The modifier state, i.e. shift key etc.</param>
/// <returns><c>true</c> if the key event is handled by ibus.</returns>
/// <seealso cref="IbusKeyboardSwitchingAdaptor.HandleKeyPress"/>
public bool ProcessKeyEvent(int keySym, int scanCode, Keys state)
{
if (m_inputContext == null)
{
return(false);
}
try
{
// m_inputContext.IsEnabled() is no longer contained in IBus 1.5. However,
// ibusdotnet >= 1.9.1 deals with that and always returns true so that we still
// can use this method.
if (!m_inputContext.IsEnabled())
{
return(false);
}
var modifiers = ConvertToIbusModifiers(state, (char)keySym);
return(m_inputContext.ProcessKeyEvent(keySym, scanCode, modifiers));
}
catch (NDesk.DBus.DBusConectionErrorException e)
{
Console.WriteLine("IbusCommunicator.ProcessKeyEvent({0},{1},{2}): caught DBusConectionErrorException: {3}", keySym, scanCode, state, e);
m_ibus = null;
m_inputContext = null;
NotifyUserOfIBusConnectionDropped();
}
catch (System.NullReferenceException e)
{
Console.WriteLine("IbusCommunicator.ProcessKeyEvent({0},{1},{2}): caught NullReferenceException: {3}", keySym, scanCode, state, e);
}
return(false);
}