private void OnClassificationFormatMappingChanged(object sender, EventArgs e)
{
_threadAffinitizedObject.AssertIsForeground();
if (_format != null)
{
_format = null;
_cache.Clear();
}
}
static DOC.Run CreateRun(string text, TextFormattingRunProperties defaultProperties, TextFormattingRunProperties?properties, Flags flags)
{
var run = new DOC.Run(text);
if (properties is null)
{
return(run);
}
if (!properties.BackgroundBrushEmpty)
{
run.Background = properties.BackgroundBrush;
}
if (!properties.ForegroundBrushEmpty)
{
run.Foreground = properties.ForegroundBrush;
}
if (!properties.BoldEmpty)
{
run.FontWeight = properties.Bold ? FontWeights.Bold : FontWeights.Normal;
}
if (!properties.ItalicEmpty)
{
run.FontStyle = properties.Italic ? FontStyles.Italic : FontStyles.Normal;
}
if (!properties.FontRenderingEmSizeEmpty && (flags & Flags.DisableFontSize) == 0)
{
run.FontSize = properties.FontRenderingEmSize;
}
if (!properties.TextDecorationsEmpty)
{
run.TextDecorations = properties.TextDecorations;
}
if (!properties.TextEffectsEmpty)
{
run.TextEffects = properties.TextEffects;
}
if (!properties.TypefaceEmpty && !IsSameTypeFace(defaultProperties, properties))
{
run.FontFamily = properties.Typeface.FontFamily;
}
return(run);
}
void ReinitializeCache()
{
toClassificationInfo.Clear();
ClassificationFontUtils.CopyTo(defaultResourceDictionary, editorFormatMap.GetProperties(EditorFormatMapConstants.PlainText));
defaultTextFormattingRunProperties = ClassificationFontUtils.Create(defaultResourceDictionary);
}
/// <summary>
/// Creates a very long line at the bottom of bounds.
/// </summary>
public override GraphicsResult GetGraphics(IWpfTextView view, Geometry bounds, TextFormattingRunProperties?format)
{
var border = new Border()
{
BorderBrush = GetBrush(view),
BorderThickness = new Thickness(0, 0, 0, bottom: 1),
Height = 1,
Width = view.ViewportWidth
};
view.ViewportWidthChanged += ViewportWidthChangedHandler;
// Subtract rect.Height to ensure that the line separator is drawn
// at the bottom of the line, rather than immediately below.
// This makes the line separator line up with the outlining bracket.
Canvas.SetTop(border, bounds.Bounds.Bottom - border.Height);
return(new GraphicsResult(border,
() => view.ViewportWidthChanged -= ViewportWidthChangedHandler));
void ViewportWidthChangedHandler(object s, EventArgs e)
{
border.Width = view.ViewportWidth;
}
}