/// <summary>
/// Creates an ElasticTabstopsFormatters for
/// the provided configuration.
/// </summary>
public TextParagraphProperties Create(IFormattedLineSource formattedLineSource, TextFormattingRunProperties textProperties,
IMappingSpan line, IMappingPoint lineStart, int lineSegment)
{
if (!AlwaysAlignedConfigurationService.Instance.GetConfiguration().Enabled)
{
return(new TextFormattingParagraphProperties(textProperties, formattedLineSource.ColumnWidth * formattedLineSource.TabSize));
}
IWpfTextView textView = _textBufferToViewMapService.GetViewByFormattedLineSource(formattedLineSource);
//View is not initialized yet
if (textView == null)
{
return(new TextFormattingParagraphProperties(textProperties, formattedLineSource.ColumnWidth * formattedLineSource.TabSize));
}
var manager = ElasticTabstopsSizeManager.Get(textView);
ITextSnapshot textSnapshot = formattedLineSource.SourceTextSnapshot;
ITextBuffer textBuffer = textSnapshot.TextBuffer;
var normalizedspancoll = line.GetSpans(textBuffer);
ITextSnapshotLine currentLine = textSnapshot.GetLineFromPosition(normalizedspancoll.First().Start.Position);
//Get tab offset calculated by ElasticTabstopsSizeManager
double[] tabOffsets = manager.GetTabOffsets(currentLine);
return(new ElasticTabstopsFormatter(textProperties, formattedLineSource, tabOffsets));
}
/// <summary>
/// Initializes a new instance of a <see cref="CaretPosition"/>.
/// </summary>
/// <param name="bufferPosition">The index of the caret. This corresponds to a gap between two characters in the underlying <see cref="ITextBuffer"/>.</param>
/// <param name="mappingPoint">A mapping point for the caret that can be used to find its position in any buffer.</param>
/// <param name="caretAffinity">The <see cref="PositionAffinity"/> of the caret. The caret can have an affinity with
/// the preceding edge of the gap or the following edge of the gap.</param>
public CaretPosition(VirtualSnapshotPoint bufferPosition, IMappingPoint mappingPoint, PositionAffinity caretAffinity)
{
if (mappingPoint == null)
{
throw new ArgumentNullException("mappingPoint");
}
_bufferPosition = bufferPosition;
_mappingPoint = mappingPoint;
_affinity = caretAffinity;
}
/// <summary>
/// Creates a <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> for the provided configuration.
/// </summary>
/// <param name = "formattedLineSource">The <see cref = "T:Microsoft.VisualStudio.Text.Formatting.IFormattedLineSource" /> that's performing the formatting of the line. You can access useful properties about the ongoing formatting operation from this object.</param>
/// <param name = "textProperties">The <see cref = "T:Microsoft.VisualStudio.Text.Formatting.TextFormattingRunProperties" /> of the line for which <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> are to be provided. This paramter can be used to obtain formatting information about the textual contents of the line.</param>
/// <param name = "line">The <see cref = "T:Microsoft.VisualStudio.Text.IMappingSpan" /> corresponding to the line that's being formatted/rendered.</param>
/// <param name = "lineStart">The <see cref = "T:Microsoft.VisualStudio.Text.IMappingPoint" /> corresponding to the beginning of the line segment that's being formatted. This paramter is relevant for word-wrap scenarios where a single <see cref = "T:Microsoft.VisualStudio.Text.ITextSnapshotLine" /> results in multiple formatted/rendered lines on the view.</param>
/// <param name = "lineSegment">The segment number of the line segment that's been currently formatted. This is a zero-based index and is applicable to word-wrapped lines. If a line is word-wrapped into 4 segments, you will receive 4 calls for the line with lineSegments of 0, 1, 2, and 3.</param>
/// <returns>
/// A <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> to be used when the line is being formatted.
/// </returns>
/// <remarks>
/// Please note that you can return a <see cref = "T:Microsoft.VisualStudio.Text.Formatting.TextFormattingParagraphProperties" /> which has a convenient set of basic properties defined.
/// </remarks>
public TextParagraphProperties Create(IFormattedLineSource formattedLineSource,
TextFormattingRunProperties textProperties,
IMappingSpan line,
IMappingPoint lineStart,
int lineSegment)
{
if (_TextParagraphProperties == null)
{
_TextParagraphProperties = new PowerShellTextFormattingParagraphProperties(textProperties,
formattedLineSource,
ServiceProvider);
}
return(TextParagraphProperties);
}
/// <summary>
/// Creates a <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> for the provided configuration.
/// </summary>
/// <param name = "formattedLineSource">The <see cref = "T:Microsoft.VisualStudio.Text.Formatting.IFormattedLineSource" /> that's performing the formatting of the line. You can access useful properties about the ongoing formatting operation from this object.</param>
/// <param name = "textProperties">The <see cref = "T:Microsoft.VisualStudio.Text.Formatting.TextFormattingRunProperties" /> of the line for which <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> are to be provided. This paramter can be used to obtain formatting information about the textual contents of the line.</param>
/// <param name = "line">The <see cref = "T:Microsoft.VisualStudio.Text.IMappingSpan" /> corresponding to the line that's being formatted/rendered.</param>
/// <param name = "lineStart">The <see cref = "T:Microsoft.VisualStudio.Text.IMappingPoint" /> corresponding to the beginning of the line segment that's being formatted. This paramter is relevant for word-wrap scenarios where a single <see cref = "T:Microsoft.VisualStudio.Text.ITextSnapshotLine" /> results in multiple formatted/rendered lines on the view.</param>
/// <param name = "lineSegment">The segment number of the line segment that's been currently formatted. This is a zero-based index and is applicable to word-wrapped lines. If a line is word-wrapped into 4 segments, you will receive 4 calls for the line with lineSegments of 0, 1, 2, and 3.</param>
/// <returns>
/// A <see cref = "T:System.Windows.Media.TextFormatting.TextParagraphProperties" /> to be used when the line is being formatted.
/// </returns>
/// <remarks>
/// Please note that you can return a <see cref = "T:Microsoft.VisualStudio.Text.Formatting.TextFormattingParagraphProperties" /> which has a convenient set of basic properties defined.
/// </remarks>
public TextParagraphProperties Create( IFormattedLineSource formattedLineSource,
TextFormattingRunProperties textProperties,
IMappingSpan line,
IMappingPoint lineStart,
int lineSegment)
{
if (_TextParagraphProperties == null)
{
_TextParagraphProperties = new PowerShellTextFormattingParagraphProperties( textProperties,
formattedLineSource,
ServiceProvider );
}
return TextParagraphProperties;
}
void ImmediateCaretPositionChanged(object sender, CaretLocationEventArgs args)
{
// MD doesn't fire textEditor.CaretPositionChanged until after the command has gone completely through the command chain.
// Too much VS stuff depends on it getting updated earlier, so we'll use this event which fires earlier.
int position = _textEditor.CaretOffset;
VirtualSnapshotPoint vsp = new VirtualSnapshotPoint(_textView.TextSnapshot, position);
_insertionPoint = vsp;
if (args.CaretChangeReason == CaretChangeReason.Movement)
{
SnapshotPoint snapshotPoint = new SnapshotPoint(_textView.TextSnapshot, position);
IMappingPoint mappingPoint = _textView.BufferGraph.CreateMappingPoint(snapshotPoint, PointTrackingMode.Positive);
CaretPosition newCaretPosition = new CaretPosition(vsp, mappingPoint, _caretAffinity);
CaretPositionChangedEventArgs eventArgs = new CaretPositionChangedEventArgs(_textView, Position, newCaretPosition);
PositionChanged?.Invoke(this, eventArgs);
}
}
/// <summary>
/// Initializes a new instance of a <see cref="MouseHoverEventArgs"/>.
/// </summary>
/// <param name="view">The view in which the hover event is being generated.</param>
/// <param name="position">The position of the character under the mouse in the snapshot span of the view.</param>
/// <param name="textPosition">The position mapped to the buffer graph of the character under the mouse.</param>
/// <exception cref="ArgumentNullException"><paramref name="view"/> is null.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="position"/> is negative or greater than the length of the view's buffer.</exception>
public MouseHoverEventArgs(ITextView view, int position, IMappingPoint textPosition)
{
if (view == null)
{
throw new ArgumentNullException("view");
}
#pragma warning suppress 56506 // ToDo: Add a comment on why it is not necessary to check view.TextSnapshot
if ((position < 0) || (position > view.TextSnapshot.Length)) // Allow positions at the end of the file
{
throw new ArgumentOutOfRangeException("position");
}
if (textPosition == null)
{
throw new ArgumentNullException("textPosition");
}
// we could be very paranoid and check:
//if (textPosition.AnchorBuffer != view.TextBuffer)
// throw new ArgumentException();
_view = view;
_position = position;
_textPosition = textPosition;
}
/// <summary>
/// If the text position is within a colour then show that could on the screen
/// </summary>
/// <param name="position"></param>
/// <param name="textPosition"></param>
/// <param name="textView"></param>
private void ShowColourSwatch(int position, IMappingPoint textPosition, ITextView textView)
{
_layer.RemoveAllAdornments();
SnapshotPoint? snapPoint = textPosition.GetPoint(textPosition.AnchorBuffer, PositionAffinity.Predecessor);
if (snapPoint.HasValue)
{
SnapshotSpan charSpan = textView.GetTextElementSpan(snapPoint.Value);
var colourPos = _colourPositions.Find(cp => (cp.Item1 <= charSpan.Start) && (cp.Item2 >= charSpan.Start));
if(colourPos != null)
{
Image image = CreateSwatchImage(colourPos, charSpan);
_layer.AddAdornment(AdornmentPositioningBehavior.TextRelative, charSpan, null, image, null);
Thread t = new Thread(p =>
{
Thread.Sleep(3500);
lock (lockObject)
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
_layer.RemoveAdornmentsByVisualSpan(charSpan);
}), new object[]{});
}
});
t.Start();
}
}
}
SnapshotPoint?Map(IMappingPoint p, ITextSnapshot textSnapshot)
{
return(p.GetPoint(textSnapshot.TextBuffer, PositionAffinity.Predecessor));
}
public ErrorMark(IMappingPoint position, object content, Color color)
{
_position = position;
_content = content;
_color = color;
}
private void HandleContentTypeTagsChanged()
{
ITextSnapshot snapshot = DiskBuffer.CurrentSnapshot;
ITextSnapshot htmlSnapshot = _htmlBuffer.CurrentSnapshot;
ITextSnapshot phpSnapshot = TemplateBuffer.CurrentSnapshot;
SnapshotSpan completeSnapshot = new SnapshotSpan(snapshot, 0, snapshot.Length);
IMappingTagSpan <ContentTypeTag>[] tags = _contentTypeTagger.GetTags(completeSnapshot).ToArray();
IMappingPoint[] trackingPoints = new IMappingPoint[tags.Length];
for (int i = 0; i < tags.Length; i++)
{
IMappingTagSpan <ContentTypeTag> tag = tags[i];
switch (tag.Tag.RegionType)
{
case RegionType.Begin:
trackingPoints[i] = tag.Span.Start;
break;
case RegionType.End:
trackingPoints[i] = tag.Span.End;
break;
default:
throw new NotSupportedException();
}
}
List <ITrackingSpan> projectionSpans = new List <ITrackingSpan>();
List <SpanInfo> spans = new List <SpanInfo>();
for (int i = 0; i < tags.Length; i++)
{
IMappingTagSpan <ContentTypeTag> tag = tags[i];
Span sourceSpan;
if (i == 0)
{
sourceSpan = new Span(0, trackingPoints[0].GetPoint(snapshot, PositionAffinity.Successor) ?? 0);
}
else
{
SnapshotPoint?startPoint = trackingPoints[i - 1].GetPoint(snapshot, PositionAffinity.Successor);
SnapshotPoint?endPoint = trackingPoints[i].GetPoint(snapshot, PositionAffinity.Successor);
if (!startPoint.HasValue || !endPoint.HasValue)
{
throw new InvalidOperationException();
}
sourceSpan = Span.FromBounds(startPoint.Value.Position, endPoint.Value.Position);
}
switch (tag.Tag.RegionType)
{
case RegionType.Begin:
{
// handle the Text region that ended where this tag started
ITrackingSpan projectionSpan = htmlSnapshot.Version.CreateCustomTrackingSpan(
sourceSpan,
TrackingFidelityMode.Forward,
new LanguageSpanCustomState(sourceSpan),
TrackToVersion);
ITrackingSpan diskBufferSpan = snapshot.Version.CreateCustomTrackingSpan(
sourceSpan,
TrackingFidelityMode.Forward,
new LanguageSpanCustomState(sourceSpan),
TrackToVersion);
projectionSpans.Add(projectionSpan);
spans.Add(new SpanInfo(diskBufferSpan, TemplateTokenKind.Text));
break;
}
case RegionType.End:
{
// handle the code region that ended where this tag ended
ITrackingSpan projectionSpan = new CustomTrackingSpan(phpSnapshot.CreateTrackingSpan(sourceSpan, SpanTrackingMode.EdgeExclusive));
ITrackingSpan diskBufferSpan = new CustomTrackingSpan(snapshot.CreateTrackingSpan(sourceSpan, SpanTrackingMode.EdgeExclusive));
projectionSpans.Add(projectionSpan);
spans.Add(new SpanInfo(diskBufferSpan, TemplateTokenKind.Block));
break;
}
default:
throw new NotSupportedException();
}
}
if (true)
{
int startPosition = 0;
if (tags.Length > 0)
{
SnapshotPoint?startPoint = trackingPoints.Last().GetPoint(snapshot, PositionAffinity.Successor);
if (!startPoint.HasValue)
{
throw new InvalidOperationException();
}
startPosition = startPoint.Value.Position;
}
Span sourceSpan = Span.FromBounds(startPosition, snapshot.Length);
RegionType finalRegionType = tags.Length > 0 ? tags.Last().Tag.RegionType : RegionType.End;
switch (finalRegionType)
{
case RegionType.Begin:
{
// handle the code region that ended at the end of the document
ITrackingSpan projectionSpan = new CustomTrackingSpan(phpSnapshot.CreateTrackingSpan(sourceSpan, SpanTrackingMode.EdgePositive));
ITrackingSpan diskBufferSpan = new CustomTrackingSpan(snapshot.CreateTrackingSpan(sourceSpan, SpanTrackingMode.EdgePositive));
projectionSpans.Add(projectionSpan);
spans.Add(new SpanInfo(diskBufferSpan, TemplateTokenKind.Block));
break;
}
case RegionType.End:
{
// handle the Text region that ended at the end of the document
ITrackingSpan projectionSpan = htmlSnapshot.Version.CreateCustomTrackingSpan(
sourceSpan,
TrackingFidelityMode.Forward,
new LanguageSpanCustomState(sourceSpan),
TrackToVersion);
ITrackingSpan diskBufferSpan = snapshot.Version.CreateCustomTrackingSpan(
sourceSpan,
TrackingFidelityMode.Forward,
new LanguageSpanCustomState(sourceSpan),
TrackToVersion);
projectionSpans.Add(projectionSpan);
spans.Add(new SpanInfo(diskBufferSpan, TemplateTokenKind.Text));
break;
}
default:
throw new NotSupportedException();
}
}
int startSpan = 0;
int oldSpanCount = _spans.Count;
_spans.RemoveRange(startSpan, oldSpanCount - startSpan);
_spans.AddRange(spans);
_projBuffer.ReplaceSpans(startSpan, oldSpanCount - startSpan, projectionSpans.ToArray(), _editOptions, null);
ProjectionClassifier classifier;
if (spans.Count > 0 &&
_projBuffer.Properties.TryGetProperty <ProjectionClassifier>(typeof(ProjectionClassifier), out classifier))
{
classifier.RaiseClassificationChanged(
spans[0].DiskBufferSpan.GetStartPoint(_diskBuffer.CurrentSnapshot),
spans[spans.Count - 1].DiskBufferSpan.GetEndPoint(_diskBuffer.CurrentSnapshot)
);
}
}
private Mark(IMappingTagSpan <IVsVisibleTextMarkerTag> tag)
{
_tag = tag.Tag;
_position = tag.Span.Start;
}
