/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
TextLocation newStartLocation = textArea.Document.GetLocation(e.GetNewOffset(topLeftOffset, AnchorMovementType.AfterInsertion));
TextLocation newEndLocation = textArea.Document.GetLocation(e.GetNewOffset(bottomRightOffset, AnchorMovementType.BeforeInsertion));
return(new RectangleSelection(textArea,
new TextViewPosition(newStartLocation, GetVisualColumnFromXPos(newStartLocation.Line, startXPos)),
new TextViewPosition(newEndLocation, GetVisualColumnFromXPos(newEndLocation.Line, endXPos))));
}
/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
return(new SimpleSelection(
e.GetNewOffset(startOffset, AnchorMovementType.AfterInsertion),
e.GetNewOffset(endOffset, AnchorMovementType.AfterInsertion)
));
}
/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException(nameof(e));
}
return(Selection.Create(
textArea,
new TextViewPosition(textArea.Document.GetLocation(e.GetNewOffset(startOffset, AnchorMovementType.Default)), start.VisualColumn),
new TextViewPosition(textArea.Document.GetLocation(e.GetNewOffset(endOffset, AnchorMovementType.Default)), end.VisualColumn)
));
}
void textArea_Document_Changing(object sender, DocumentChangeEventArgs e)
{
if (e.Offset == startOffset && e.RemovalLength == 0 && ExpectInsertionBeforeStart)
{
startOffset = e.GetNewOffset(startOffset, AnchorMovementType.AfterInsertion);
this.ExpectInsertionBeforeStart = false;
}
else
{
startOffset = e.GetNewOffset(startOffset, AnchorMovementType.BeforeInsertion);
}
endOffset = e.GetNewOffset(endOffset, AnchorMovementType.AfterInsertion);
}
/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
TextViewPosition newStart = start;
TextViewPosition newEnd = end;
// by changing the existing TextViewPosition, we preserve the VisualColumn (though it might become invalid)
// and the IsAtEndOfLine property.
newStart.Location = textArea.Document.GetLocation(e.GetNewOffset(startOffset, AnchorMovementType.Default));
newEnd.Location = textArea.Document.GetLocation(e.GetNewOffset(endOffset, AnchorMovementType.Default));
return(Selection.Create(textArea, newStart, newEnd));
}
internal void OnDocumentChanged(DocumentChangeEventArgs e)
{
InvalidateVisualColumn();
if (storedCaretOffset >= 0)
{
// If the caret is at the end of a selection, we don't expand the selection if something
// is inserted at the end. Thus we also need to keep the caret in front of the insertion.
AnchorMovementType caretMovementType;
if (!textArea.Selection.IsEmpty && storedCaretOffset == textArea.Selection.SurroundingSegment.EndOffset)
{
caretMovementType = AnchorMovementType.BeforeInsertion;
}
else
{
caretMovementType = AnchorMovementType.Default;
}
int newCaretOffset = e.GetNewOffset(storedCaretOffset, caretMovementType);
TextDocument document = textArea.Document;
if (document != null)
{
// keep visual column
this.Position = new TextViewPosition(document.GetLocation(newCaretOffset), position.VisualColumn);
}
}
storedCaretOffset = -1;
}
private void TextArea_Document_Changing(object sender, DocumentChangeEventArgs e)
{
if (e.Offset + e.RemovalLength == StartOffset && e.RemovalLength > 0)
{
Hide(); // removal immediately in front of completion segment: close the window
// this is necessary when pressing backspace after dot-completion
}
if (e.Offset == StartOffset && e.RemovalLength == 0 && ExpectInsertionBeforeStart)
{
StartOffset = e.GetNewOffset(StartOffset, AnchorMovementType.AfterInsertion);
ExpectInsertionBeforeStart = false;
}
else
{
StartOffset = e.GetNewOffset(StartOffset, AnchorMovementType.BeforeInsertion);
}
EndOffset = e.GetNewOffset(EndOffset, AnchorMovementType.AfterInsertion);
}
void textArea_Document_Changing(object sender, DocumentChangeEventArgs e)
{
if (e.Offset + e.RemovalLength == StartOffset && e.RemovalLength > 0)
{
if (TextArea.Selection.Length == 0)
{
Close(); // removal immediately in front of completion segment: close the window
// this is necessary when pressing backspace after dot-completion
}
}
if (e.Offset == StartOffset && e.RemovalLength == 0 && ExpectInsertionBeforeStart)
{
StartOffset = e.GetNewOffset(StartOffset, AnchorMovementType.AfterInsertion);
ExpectInsertionBeforeStart = false;
}
else
{
StartOffset = e.GetNewOffset(StartOffset, AnchorMovementType.BeforeInsertion);
}
if (TextArea.Selection.Length > 0)
{
InsertingIntoSelection = true;
EndOffset = StartOffset + e.InsertionLength;
int selectStart = TextArea.Document.GetOffset(TextArea.Selection.StartPosition.Location);
int selectEnd = TextArea.Document.GetOffset(TextArea.Selection.EndPosition.Location);
if (selectStart < selectEnd)
{
EndOffset--;
StartOffset--;
}
}
else
{
InsertingIntoSelection = false;
EndOffset = e.GetNewOffset(EndOffset, AnchorMovementType.AfterInsertion);
}
}
internal void OnDocumentChanged(DocumentChangeEventArgs e)
{
InvalidateVisualColumn();
if (storedCaretOffset >= 0)
{
int newCaretOffset = e.GetNewOffset(storedCaretOffset, AnchorMovementType.Default);
TextDocument document = textArea.Document;
if (document != null)
{
// keep visual column
this.Position = new TextViewPosition(document.GetLocation(newCaretOffset), position.VisualColumn);
}
}
storedCaretOffset = -1;
}
/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
int newStartOffset, newEndOffset;
if (startOffset <= endOffset)
{
newStartOffset = e.GetNewOffset(startOffset, AnchorMovementType.Default);
newEndOffset = Math.Max(newStartOffset, e.GetNewOffset(endOffset, AnchorMovementType.BeforeInsertion));
}
else
{
newEndOffset = e.GetNewOffset(endOffset, AnchorMovementType.Default);
newStartOffset = Math.Max(newEndOffset, e.GetNewOffset(startOffset, AnchorMovementType.BeforeInsertion));
}
return(Selection.Create(
textArea,
new TextViewPosition(textArea.Document.GetLocation(newStartOffset), start.VisualColumn),
new TextViewPosition(textArea.Document.GetLocation(newEndOffset), end.VisualColumn)
));
}
/// <inheritdoc/>
public override Selection UpdateOnDocumentChange(DocumentChangeEventArgs e)
{
return(new RectangleSelection(document,
e.GetNewOffset(StartOffset, AnchorMovementType.AfterInsertion),
e.GetNewOffset(EndOffset, AnchorMovementType.BeforeInsertion)));
}