internal override void OnEndEdit(UnsafeNativeMethods.ITfContext context,
int ecReadOnly,
UnsafeNativeMethods.ITfEditRecord editRecord)
{
Guid displayAttributeGuid;
UnsafeNativeMethods.ITfProperty displayAttributeProperty;
UnsafeNativeMethods.IEnumTfRanges attributeRangeEnumerator;
UnsafeNativeMethods.ITfRange[] attributeRanges;
int fetched;
int guidAtom;
TextServicesDisplayAttribute displayAttribute;
ITextPointer start;
ITextPointer end;
//
// Remove any existing display attribute highlights.
//
#if UNUSED_IME_HIGHLIGHT_LAYER
if (_highlightLayer != null)
{
this.TextStore.TextContainer.Highlights.RemoveLayer(_highlightLayer);
_highlightLayer = null;
}
#endif
//
// Remove any existing composition adorner for display attribute.
//
if (_compositionAdorner != null)
{
_compositionAdorner.Uninitialize();
_compositionAdorner = null;
}
//
// Look for new ones.
//
// Get the DisplayAttributeProperty.
displayAttributeGuid = Guid;
context.GetProperty(ref displayAttributeGuid, out displayAttributeProperty);
// Get a range enumerator for the property.
if (displayAttributeProperty.EnumRanges(ecReadOnly, out attributeRangeEnumerator, null) == NativeMethods.S_OK)
{
attributeRanges = new UnsafeNativeMethods.ITfRange[1];
// Walk each range.
while (attributeRangeEnumerator.Next(1, attributeRanges, out fetched) == NativeMethods.S_OK)
{
// Get a DisplayAttribute for this range.
guidAtom = GetInt32Value(ecReadOnly, displayAttributeProperty, attributeRanges[0]);
displayAttribute = GetDisplayAttribute(guidAtom);
if (displayAttribute != null && !displayAttribute.IsEmptyAttribute())
{
// Set a matching highlight for the attribute range.
ConvertToTextPosition(attributeRanges[0], out start, out end);
if (start != null)
{
#if UNUSED_IME_HIGHLIGHT_LAYER
// Demand create the highlight layer.
if (_highlightLayer == null)
{
_highlightLayer = new DisplayAttributeHighlightLayer();
}
#endif
if (_compositionAdorner == null)
{
_compositionAdorner = new CompositionAdorner(this.TextStore.TextView);
_compositionAdorner.Initialize(this.TextStore.TextView);
}
#if UNUSED_IME_HIGHLIGHT_LAYER
// ToDo: Need to pass the foreground and background color of the composition
_highlightLayer.Add(start, end, /*TextDecorationCollection:*/null);
#endif
// Add the attribute range into CompositionAdorner.
_compositionAdorner.AddAttributeRange(start, end, displayAttribute);
}
}
Marshal.ReleaseComObject(attributeRanges[0]);
}
#if UNUSED_IME_HIGHLIGHT_LAYER
if (_highlightLayer != null)
{
this.TextStore.TextContainer.Highlights.AddLayer(_highlightLayer);
}
#endif
if (_compositionAdorner != null)
{
// Update the layout to get the acurated rectangle from calling GetRectangleFromTextPosition
this.TextStore.RenderScope.UpdateLayout();
// Invalidate the composition adorner to render the composition attribute ranges.
_compositionAdorner.InvalidateAdorner();
}
Marshal.ReleaseComObject(attributeRangeEnumerator);
}
Marshal.ReleaseComObject(displayAttributeProperty);
}
internal virtual void OnEndEdit(UnsafeNativeMethods.ITfContext context,
int ecReadOnly,
UnsafeNativeMethods.ITfEditRecord editRecord)
{
int fetched;
UnsafeNativeMethods.IEnumTfRanges ranges;
UnsafeNativeMethods.ITfProperty prop = null;
ranges = GetPropertyUpdate(editRecord);
UnsafeNativeMethods.ITfRange [] outRanges;
outRanges = new UnsafeNativeMethods.ITfRange[1];
while (ranges.Next(1, outRanges, out fetched) == 0)
{
//
// check the element has enabled dynamic property.
//
ITextPointer start;
ITextPointer end;
ConvertToTextPosition(outRanges[0], out start, out end);
if (prop == null)
context.GetProperty(ref _guid, out prop);
UnsafeNativeMethods.IEnumTfRanges rangesProp;
if (prop.EnumRanges(ecReadOnly, out rangesProp, outRanges[0]) == 0)
{
UnsafeNativeMethods.ITfRange [] outRangesProp;
outRangesProp = new UnsafeNativeMethods.ITfRange[1];
while (rangesProp.Next(1, outRangesProp, out fetched) == 0)
{
OnRange(prop, ecReadOnly, outRangesProp[0]);
Marshal.ReleaseComObject(outRangesProp[0]);
}
Marshal.ReleaseComObject(rangesProp);
}
Marshal.ReleaseComObject(outRanges[0]);
}
Marshal.ReleaseComObject(ranges);
if (prop != null)
Marshal.ReleaseComObject(prop);
}