/// <inheritdoc/>
protected override Size MeasureOverride(Size availableSize)
{
Typeface = GetValue(TextBlock.FontFamilyProperty);
EmSize = GetValue(TextBlock.FontSizeProperty);
var text = TextFormatterFactory.CreateFormattedText(
this,
new string('9', MaxLineNumberLength),
Typeface,
EmSize,
GetValue(TemplatedControl.ForegroundProperty)
);
var textRight = TextFormatterFactory.CreateFormattedText(
this,
new string('9', RightMarginChars),
Typeface,
EmSize,
GetValue(TemplatedControl.ForegroundProperty)
);
RightMarginSize = textRight.Measure().Width;
return(new Size(text.Measure().Width + RightMarginSize, 0));
}
/// <inheritdoc/>
public override void Render(DrawingContext drawingContext)
{
var textView = TextView;
var renderSize = Bounds.Size;
if (textView != null && textView.VisualLinesValid)
{
int currentLine = -1;
if (_editor.SelectionLength == 0 && _editor.CaretOffset >= 0 && _editor.CaretOffset <= _editor.Document.TextLength)
{
currentLine = _editor.Document.GetLineByOffset(_editor.CaretOffset).LineNumber;
}
foreach (var line in textView.VisualLines)
{
var lineNumber = line.FirstDocumentLine.LineNumber;
var foreground = lineNumber != currentLine ? Foreground : SelectedLineForeground;
var text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
Typeface, EmSize, foreground
);
var y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(foreground, new Point(renderSize.Width - text.Measure().Width, y - textView.VerticalOffset),
text);
}
}
}
/// <inheritdoc/>
protected override void OnRender(DrawingContext drawingContext)
{
TextView textView = this.TextView;
Size renderSize = this.RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (Brush)GetValue(Control.ForegroundProperty);
foreach (VisualLine line in textView.VisualLines)
{
int lineNumber = line.FirstDocumentLine.LineNumber;
FormattedText text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
typeface, emSize, foreground
);
double y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
y = y - textView.VerticalOffset;
if (this.FlowDirection == FlowDirection.RightToLeft)
{
MatrixTransform antiMirror = new MatrixTransform(-1, 0, 0, 1, renderSize.Width, 0);
drawingContext.PushTransform(antiMirror);
drawingContext.DrawText(text, new Point(0, y));
drawingContext.Pop();
}
else
{
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width, y));
}
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
var typeface = textView.GetValue(TextBlock.FontFamilyProperty);
var emSize = textView.GetValue(TextBlock.FontSizeProperty);
var formattedText = TextFormatterFactory.CreateFormattedText(
textView,
"9",
typeface,
emSize,
Brushes.Black
);
var charSize = formattedText.Measure();
var pixelSize = PixelSnapHelpers.GetPixelSize(textView);
foreach (var entry in markers)
{
var startLine = textView.Document.GetLineByOffset(entry.StartOffset);
var start = entry.StartOffset;
var startChar = textView.Document.GetCharAt(startLine.Offset);
if (char.IsWhiteSpace(startChar))
{
start = TextUtilities.GetNextCaretPosition(textView.Document, startLine.Offset, LogicalDirection.Forward,
CaretPositioningMode.WordBorder);
}
var endLine = textView.Document.GetLineByOffset(entry.EndOffset <= textView.Document.TextLength ? entry.EndOffset : textView.Document.TextLength);
if (endLine.EndOffset > start && startLine != endLine)
{
var newEntry = new TextSegment()
{
StartOffset = start, EndOffset = endLine.EndOffset
};
var rects = BackgroundGeometryBuilder.GetRectsForSegment(textView, newEntry);
var rect = GetRectForRange(rects);
if (!rect.IsEmpty)
{
var xPos = charSize.Width * (textView.Document.GetLocation(newEntry.StartOffset).Column - 1);
rect = rect.WithX(xPos + (charSize.Width / 2));
rect = rect.WithX(PixelSnapHelpers.PixelAlign(rect.X, pixelSize.Width));
rect = rect.WithY(PixelSnapHelpers.PixelAlign(rect.Y, pixelSize.Height));
drawingContext.DrawLine(_pen, rect.TopLeft, rect.BottomLeft);
}
}
}
}
protected override void OnRender(DrawingContext drawingContext)
{
TextView textView = this.TextView;
Size renderSize = this.RenderSize;
if (_DiffView == null)
{
return;
}
var srcLineDiffs = _DiffView.ItemsSource as IReadOnlyList <IDiffLineInfo>;
if (srcLineDiffs == null)
{
return;
}
if (textView != null && textView.VisualLinesValid)
{
var foreground = _DiffView.LineNumbersForeground;
foreach (VisualLine line in textView.VisualLines)
{
// AvalonEdit is 1 based but the collection is of course zero based :-(
int lineNumber = line.FirstDocumentLine.LineNumber - 1;
if (lineNumber >= srcLineDiffs.Count)
{
continue;
}
// Find a diff context for a given line
if (srcLineDiffs.Count < lineNumber)
{
continue;
}
var srcLineDiff = srcLineDiffs[lineNumber];
if (srcLineDiff.ImaginaryLineNumber.HasValue)
{
// Render displayed numbers in a 1-based format
int imaginaryLineNumber = (int)srcLineDiff.ImaginaryLineNumber + 1;
FormattedText text = TextFormatterFactory.CreateFormattedText(
this,
imaginaryLineNumber.ToString(CultureInfo.CurrentCulture),
typeface, emSize, foreground
);
double y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width, y - textView.VerticalOffset));
}
}
}
}
/// <inheritdoc/>
protected override Size MeasureOverride(Size availableSize)
{
typeface = this.CreateTypeface();
emSize = (double)GetValue(TextBlock.FontSizeProperty);
var text = TextFormatterFactory.CreateFormattedText(this,
new string('9', maxLineNumberLength),
typeface,
emSize,
(Brush)GetValue(Control.ForegroundProperty)
);
return(new Size(text.Width + 20, 0));
}
/// <inheritdoc/>
protected override void OnRender(DrawingContext drawingContext)
{
var textView = TextView;
var renderSize = RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (Brush)GetValue(Control.ForegroundProperty);
foreach (var line in textView.VisualLines)
{
var lineNumber = line.FirstDocumentLine.LineNumber;
var text = TextFormatterFactory.CreateFormattedText(this, lineNumber.ToString(), typeface, emSize, foreground);
var y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width, y - textView.VerticalOffset));
}
}
}
/// <inheritdoc/>
public override VisualLineElement ConstructElement(int offset)
{
char c = CurrentContext.Document.GetCharAt(offset);
if (ShowSpaces && c == ' ')
{
FormattedText text = TextFormatterFactory.CreateFormattedText(
CurrentContext.TextView,
"\u00B7",
CurrentContext.GlobalTextRunProperties.Typeface,
CurrentContext.GlobalTextRunProperties.FontRenderingEmSize,
Brushes.LightGray
);
return(new SpaceTextElement(text));
}
else if (ShowTabs && c == '\t')
{
FormattedText text = TextFormatterFactory.CreateFormattedText(
CurrentContext.TextView,
"\u00BB",
CurrentContext.GlobalTextRunProperties.Typeface,
CurrentContext.GlobalTextRunProperties.FontRenderingEmSize,
Brushes.LightGray
);
return(new TabTextElement(text));
}
else if (ShowBoxForControlCharacters && char.IsControl(c))
{
FormattedText text = TextFormatterFactory.CreateFormattedText(
CurrentContext.TextView,
TextUtilities.GetControlCharacterName(c),
CurrentContext.GlobalTextRunProperties.Typeface,
CurrentContext.GlobalTextRunProperties.FontRenderingEmSize * 0.9,
Brushes.White
);
return(new SpecialCharacterBoxElement(text));
}
else
{
return(null);
}
}
/// <inheritdoc/>
protected override void OnRender(DrawingContext drawingContext)
{
TextView textView = this.TextView;
System.Windows.Size renderSize = this.RenderSize;// new System.Windows.Size(((FrameworkElement)this).Width, ((FrameworkElement)this).RenderSize.Height);
drawingContext.DrawRectangle(background, null,
new Rect(0, 0, renderSize.Width, renderSize.Height));
renderSize = this.RenderSize;
renderSize = this.RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (System.Windows.Media.Brush)GetValue(Control.ForegroundProperty);
foreach (VisualLine line in textView.VisualLines)
{
if (enableLineExtended == true)
{
if (line.FirstDocumentLine.obs != null)
{
continue;
}
}
int lineNumber = line.FirstDocumentLine.LineNumberExtended;
if (enableLineExtended == false)
{
lineNumber = line.FirstDocumentLine.LineNumber;
}
FormattedText text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
typeface, emSize, foreground
);
double y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(text, new System.Windows.Point(renderSize.Width - text.Width, y - textView.VerticalOffset));
}
}
}
/// <inheritdoc/>
protected override void OnRender(DrawingContext drawingContext)
{
TextView textView = this.TextView;
Size renderSize = this.RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (Brush)GetValue(Control.ForegroundProperty);
foreach (VisualLine line in textView.VisualLines)
{
int lineNumber = line.FirstDocumentLine.LineNumber;
FormattedText text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
typeface, emSize, foreground
);
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width,
line.VisualTop - textView.VerticalOffset));
}
}
}
/// <inheritdoc/>
public override void Render(DrawingContext drawingContext)
{
var textView = TextView;
var renderSize = Bounds.Size;
if (textView != null && textView.VisualLinesValid)
{
var foreground = GetValue(TemplatedControl.ForegroundProperty);
foreach (var line in textView.VisualLines)
{
var lineNumber = line.FirstDocumentLine.LineNumber;
var text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
Typeface, EmSize, foreground
);
var y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(foreground, new Point(renderSize.Width - text.Bounds.Width, y - textView.VerticalOffset),
text);
}
}
}
/// <inheritdoc/>
public override VisualLineElement ConstructElement(int offset)
{
if (FoldingManager == null)
{
return(null);
}
int foldedUntil = -1;
string title = null;
foreach (FoldingSection fs in FoldingManager.GetFoldingsAt(offset))
{
if (fs.IsFolded)
{
if (fs.EndOffset > foldedUntil)
{
foldedUntil = fs.EndOffset;
title = fs.Title;
}
}
}
if (foldedUntil > offset)
{
if (string.IsNullOrEmpty(title))
{
title = "...";
}
FormattedText text = TextFormatterFactory.CreateFormattedText(
CurrentContext.TextView,
title,
CurrentContext.GlobalTextRunProperties.Typeface,
CurrentContext.GlobalTextRunProperties.FontRenderingEmSize,
Brushes.Gray
);
return(new FoldingLineElement(text, foldedUntil - offset));
}
else
{
return(null);
}
}
/// <inheritdoc/>
public override VisualLineElement ConstructElement(int offset)
{
string newlineText;
DocumentLine lastDocumentLine = CurrentContext.VisualLine.LastDocumentLine;
if (lastDocumentLine.DelimiterLength == 2)
{
newlineText = "\u00B6";
}
else if (lastDocumentLine.DelimiterLength == 1)
{
char newlineChar = CurrentContext.Document.GetCharAt(lastDocumentLine.Offset + lastDocumentLine.Length);
if (newlineChar == '\r')
{
newlineText = "\\r";
}
else if (newlineChar == '\n')
{
newlineText = "\\n";
}
else
{
newlineText = "?";
}
}
else
{
return(null);
}
FormattedText text = TextFormatterFactory.CreateFormattedText(
CurrentContext.TextView,
newlineText,
CurrentContext.GlobalTextRunProperties.Typeface,
CurrentContext.GlobalTextRunProperties.FontRenderingEmSize,
Brushes.LightGray
);
return(new NewLineTextElement(text));
}
/// <inheritdoc/>
protected override void OnRender(DrawingContext drawingContext)
{
TextView textView = this.TextView;
Size renderSize = this.RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (Brush)GetValue(Control.ForegroundProperty);
foreach (VisualLine line in textView.VisualLines)
{
// Telerik Authorship
string lineNumber = GetLineNumberAsString(line);
FormattedText text = TextFormatterFactory.CreateFormattedText(
this,
lineNumber.ToString(CultureInfo.CurrentCulture),
typeface, emSize, foreground
);
double y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width, y - textView.VerticalOffset));
}
}
}
