private UnsafeNativeMethods.IEnumTfRanges GetPropertyUpdate(
UnsafeNativeMethods.ITfEditRecord editRecord)
{
UnsafeNativeMethods.IEnumTfRanges ranges;
unsafe
{
fixed(Guid *pguid = &_guid)
{
//
//
// Temporarily, we use "ref IntPtr".
//
// How to express Guid**? The retail build (optimization?)
// does not allow the following code.
//
// Guid guid = _guid;
// Guid *pguid = (Guid*)guid;
//
// Under the debug build, &pguid can point to pguid points
// valid GUID. But pguid is not assigned under the retail
// build. It seems "guid = _guid" is not compiled.
//
IntPtr p = (IntPtr)pguid;
editRecord.GetTextAndPropertyUpdates(0, ref p, 1, out ranges);
}
}
return(ranges);
}
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
/// <summary>
/// Calback function for TextEditSink
/// we track all property change here.
/// </summary>
internal void OnEndEdit(
UnsafeNativeMethods.ITfContext context,
int ecReadOnly,
UnsafeNativeMethods.ITfEditRecord editRecord)
{
if (_propertyRanges == null)
{
_propertyRanges = new TextServicesDisplayAttributePropertyRanges(_textstore);
}
_propertyRanges.OnEndEdit(context, ecReadOnly, editRecord);
}
private unsafe UnsafeNativeMethods.IEnumTfRanges GetPropertyUpdate(UnsafeNativeMethods.ITfEditRecord editRecord)
{
UnsafeNativeMethods.IEnumTfRanges result;
fixed(Guid *ptr = &this._guid)
{
IntPtr intPtr = (IntPtr)((void *)ptr);
editRecord.GetTextAndPropertyUpdates(0, ref intPtr, 1, out result);
}
return(result);
}
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);
}
}
private UnsafeNativeMethods.IEnumTfRanges GetPropertyUpdate(
UnsafeNativeMethods.ITfEditRecord editRecord)
{
UnsafeNativeMethods.IEnumTfRanges ranges;
unsafe
{
fixed(Guid *pguid = &_guid)
{
//
//
IntPtr p = (IntPtr)pguid;
editRecord.GetTextAndPropertyUpdates(0, ref p, 1, out ranges);
}
}
return(ranges);
}
internal override void OnEndEdit(UnsafeNativeMethods.ITfContext context, int ecReadOnly, UnsafeNativeMethods.ITfEditRecord editRecord)
{
if (this._compositionAdorner != null)
{
this._compositionAdorner.Uninitialize();
this._compositionAdorner = null;
}
Guid guid = base.Guid;
UnsafeNativeMethods.ITfProperty tfProperty;
context.GetProperty(ref guid, out tfProperty);
UnsafeNativeMethods.IEnumTfRanges enumTfRanges;
if (tfProperty.EnumRanges(ecReadOnly, out enumTfRanges, null) == 0)
{
UnsafeNativeMethods.ITfRange[] array = new UnsafeNativeMethods.ITfRange[1];
int num;
while (enumTfRanges.Next(1, array, out num) == 0)
{
int int32Value = this.GetInt32Value(ecReadOnly, tfProperty, array[0]);
TextServicesDisplayAttribute displayAttribute = TextServicesDisplayAttributePropertyRanges.GetDisplayAttribute(int32Value);
if (displayAttribute != null && !displayAttribute.IsEmptyAttribute())
{
ITextPointer textPointer;
ITextPointer end;
base.ConvertToTextPosition(array[0], out textPointer, out end);
if (textPointer != null)
{
if (this._compositionAdorner == null)
{
this._compositionAdorner = new CompositionAdorner(base.TextStore.TextView);
this._compositionAdorner.Initialize(base.TextStore.TextView);
}
this._compositionAdorner.AddAttributeRange(textPointer, end, displayAttribute);
}
}
Marshal.ReleaseComObject(array[0]);
}
if (this._compositionAdorner != null)
{
base.TextStore.RenderScope.UpdateLayout();
this._compositionAdorner.InvalidateAdorner();
}
Marshal.ReleaseComObject(enumTfRanges);
}
Marshal.ReleaseComObject(tfProperty);
}
/// <summary>
/// Calback function for TextEditSink
/// we track the property change here.
/// </summary>
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
// 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)
{
UnsafeNativeMethods.ITfProperty tfProperty = null;
UnsafeNativeMethods.IEnumTfRanges propertyUpdate = this.GetPropertyUpdate(editRecord);
UnsafeNativeMethods.ITfRange[] array = new UnsafeNativeMethods.ITfRange[1];
int num;
while (propertyUpdate.Next(1, array, out num) == 0)
{
ITextPointer textPointer;
ITextPointer textPointer2;
this.ConvertToTextPosition(array[0], out textPointer, out textPointer2);
if (tfProperty == null)
{
context.GetProperty(ref this._guid, out tfProperty);
}
UnsafeNativeMethods.IEnumTfRanges enumTfRanges;
if (tfProperty.EnumRanges(ecReadOnly, out enumTfRanges, array[0]) == 0)
{
UnsafeNativeMethods.ITfRange[] array2 = new UnsafeNativeMethods.ITfRange[1];
while (enumTfRanges.Next(1, array2, out num) == 0)
{
this.OnRange(tfProperty, ecReadOnly, array2[0]);
Marshal.ReleaseComObject(array2[0]);
}
Marshal.ReleaseComObject(enumTfRanges);
}
Marshal.ReleaseComObject(array[0]);
}
Marshal.ReleaseComObject(propertyUpdate);
if (tfProperty != null)
{
Marshal.ReleaseComObject(tfProperty);
}
}
