//------------------------------------------------------
//
// Public Methods - ITfTransitoryExtensionSink
//
//------------------------------------------------------
#region ITfTransitoryExtensionSink
// Transitory Document has been updated.
// This is the notification of the changes of the result string and the composition string.
public void OnTransitoryExtensionUpdated(UnsafeNativeMethods.ITfContext context, int ecReadOnly, UnsafeNativeMethods.ITfRange rangeResult, UnsafeNativeMethods.ITfRange rangeComposition, out bool fDeleteResultRange)
{
fDeleteResultRange = true;
TextCompositionManager compmgr = InputManager.Current.PrimaryKeyboardDevice.TextCompositionManager;
if (rangeResult != null)
{
string result = StringFromITfRange(rangeResult, ecReadOnly);
if (result.Length > 0)
{
if (_composition == null)
{
// We don't have the composition now and we got the result string.
// The result text is result and automatic termination is true.
_composition = new DefaultTextStoreTextComposition(InputManager.Current, Keyboard.FocusedElement, result, TextCompositionAutoComplete.On);
TextCompositionManager.StartComposition(_composition);
// relese composition.
_composition = null;
}
else
{
// Finalize the composition.
_composition.SetCompositionText("");
_composition.SetText(result);
// We don't call _composition.Complete() here. We just want to generate
// TextInput events.
TextCompositionManager.CompleteComposition(_composition);
// relese composition.
_composition = null;
}
}
}
if (rangeComposition != null)
{
string comp = StringFromITfRange(rangeComposition, ecReadOnly);
if (comp.Length > 0)
{
if (_composition == null)
{
// Start the new composition.
_composition = new DefaultTextStoreTextComposition(InputManager.Current, Keyboard.FocusedElement, "", TextCompositionAutoComplete.Off);
_composition.SetCompositionText(comp);
TextCompositionManager.StartComposition(_composition);
}
else
{
// Update the current composition.
_composition.SetCompositionText(comp);
_composition.SetText("");
TextCompositionManager.UpdateComposition(_composition);
}
}
}
}
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
/// <summary>
/// Finalize the composition.
/// </summary>
public virtual void Complete()
{
// VerifyAccess();
TextCompositionManager.CompleteComposition(this);
}