internal static double GetFontHeight(this FrameworkElement source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
var textProperties = new TextProperties(
TextOptions.GetTextFormattingMode(source),
TextElement.GetFontFamily(source),
TextElement.GetFontStyle(source),
TextElement.GetFontWeight(source),
TextElement.GetFontStretch(source),
TextElement.GetFontSize(source));
lock ((( ICollection )s_fontHeight).SyncRoot)
{
double fontHeight;
if (!s_fontHeight.TryGetValue(textProperties, out fontHeight))
{
var formatter = TextFormatter.Create(textProperties.FormattingMode);
var typeface = new Typeface(textProperties.FontFamily, textProperties.FontStyle, textProperties.FontWeight, textProperties.FontStretch);
var textSource = new EmptyTextSource();
var textRunProperties = new EmptyTextRunProperties(typeface, textProperties.FontSize);
var textParagraphProperties = new EmptyTextParagraphProperties(textRunProperties);
var textLine = formatter.FormatLine(textSource, 0, 0d, textParagraphProperties, null);
fontHeight = textLine.Height;
s_fontHeight.Add(textProperties, fontHeight);
}
return(fontHeight);
}
}
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(DependencyObject owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
#if DOTNET4
return(TextFormatter.Create(TextOptions.GetTextFormattingMode(owner)));
#else
if (TextFormattingModeProperty != null)
{
object formattingMode = owner.GetValue(TextFormattingModeProperty);
return((TextFormatter)typeof(TextFormatter).InvokeMember(
"Create",
BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static,
null, null,
new object[] { formattingMode },
CultureInfo.InvariantCulture));
}
else
{
return(TextFormatter.Create());
}
#endif
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double?emSize, Brush foreground)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (text == null)
{
throw new ArgumentNullException("text");
}
if (typeface == null)
{
typeface = element.CreateTypeface();
}
if (emSize == null)
{
emSize = TextBlock.GetFontSize(element);
}
if (foreground == null)
{
foreground = TextBlock.GetForeground(element);
}
#pragma warning disable CS0618
return(new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
));
}
private FormattedText CreateFormattedText(string text, Typeface typeface, double?emSize, Brush foreground)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
if (typeface == null)
{
typeface = CreateTypeface();
}
if (emSize == null)
{
emSize = TextBlock.GetFontSize(this);
}
if (foreground == null)
{
foreground = TextBlock.GetForeground(this);
}
return(new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(this)
));
}
void CreateFormattedLineSource(double viewportWidthOverride)
{
lastFormattedLineSourceViewportWidth = viewportWidthOverride;
var wordWrapStyle = Options.WordWrapStyle();
bool isWordWrap = (wordWrapStyle & WordWrapStyles.WordWrap) != 0;
bool isAutoIndent = isWordWrap && (wordWrapStyle & WordWrapStyles.AutoIndent) != 0;
double wordWrapWidth = isWordWrap ? viewportWidthOverride : 0;
var maxAutoIndent = isAutoIndent ? viewportWidthOverride / 4 : 0;
bool useDisplayMode = TextOptions.GetTextFormattingMode(this) == TextFormattingMode.Display;
var classifier = Options.IsColorizationEnabled() ? aggregateClassifier : NullClassifier.Instance;
int tabSize = Options.GetTabSize();
tabSize = Math.Max(1, tabSize);
tabSize = Math.Min(60, tabSize);
// This value is what VS uses, see: https://msdn.microsoft.com/en-us/library/microsoft.visualstudio.text.formatting.iformattedlinesource.baseindentation.aspx
// "This is generally a small value like 2.0, so that some characters (such as an italic
// slash) will not be clipped by the left edge of the view."
const double baseIndent = 2.0;
(FormattedLineSource as IDisposable)?.Dispose();
FormattedLineSource = formattedTextSourceFactoryService.Create(
TextSnapshot,
VisualSnapshot,
tabSize,
baseIndent,
wordWrapWidth,
maxAutoIndent,
useDisplayMode,
classifier,
textAndAdornmentSequencer,
classificationFormatMap,
(wordWrapStyle & (WordWrapStyles.WordWrap | WordWrapStyles.VisibleGlyphs)) == (WordWrapStyles.WordWrap | WordWrapStyles.VisibleGlyphs));
}
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
/// <param name="owner"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static ITextFormatter Create(DependencyObject owner, TextFormatterProvider provider)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
#if DOTNET4
switch (provider)
{
case TextFormatterProvider.BuiltIn:
return(new WpfTextFormatter(TextOptions.GetTextFormattingMode(owner)));
case TextFormatterProvider.GlyphRunFormatter:
return(new GlyphRunFormatter(TextOptions.GetTextFormattingMode(owner)));
}
return(null);
#else
object formattingMode = null;
if (TextFormattingModeProperty != null)
{
formattingMode = owner.GetValue(TextFormattingModeProperty);
}
switch (provider)
{
case TextFormatterProvider.BuiltIn:
return(new WpfTextFormatter(formattingMode));
case TextFormatterProvider.GlyphRunFormatter:
return(new Rendering.GlyphRunFormatter(formattingMode));
}
#endif
}
int CacheHash()
{
int hash = 17;
hash = hash * 23 + H(GetValue(TextProperty));
hash = hash * 23 + H(GetValue(FontFamilyProperty));
hash = hash * 23 + H(GetValue(FontStyleProperty));
hash = hash * 23 + H(GetValue(FontWeightProperty));
hash = hash * 23 + H(GetValue(FontStretchProperty));
hash = hash * 23 + H(GetValue(FontSizeProperty));
hash = hash * 23 + H(GetValue(ForegroundProperty));
hash = hash * 23 + H(GetValue(BackgroundProperty));
hash = hash * 23 + H(FlowDirection);
hash = hash * 23 + H(CultureInfo.CurrentUICulture);
var newMode = TextOptions.GetTextFormattingMode(this);
hash = hash * 23 + (int)newMode;
if (textFormattingMode != newMode)
{
textFormattingMode = newMode;
fmt = null;
Debug.Assert(hash != cache);
}
return(hash);
}
public static ITextFormatter GetTextFormatter(DependencyObject owner, bool useNewFormatter)
{
if (useNewFormatter)
{
return(TextOptions.GetTextFormattingMode(owner) == TextFormattingMode.Ideal ? GlyphRunFormatter_Ideal : GlyphRunFormatter_Display);
}
return(TextOptions.GetTextFormattingMode(owner) == TextFormattingMode.Ideal ? WpfTextFormatter_Ideal : WpfTextFormatter_Display);
}
public static ITextFormatter Create(DependencyObject owner, bool useNewFormatter)
{
if (useNewFormatter)
{
return(new GlyphRunFormatter(TextOptions.GetTextFormattingMode(owner)));
}
return(new WpfTextFormatter(TextOptions.GetTextFormattingMode(owner)));
}
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(DependencyObject owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
return(TextFormatter.Create(TextOptions.GetTextFormattingMode(owner)));
}
/// <summary>
/// Ensures the PtsContext exists.
/// </summary>
private void EnsurePtsContext()
{
if (_ptsContext == null)
{
TextFormattingMode textFormattingMode = TextOptions.GetTextFormattingMode(this.PropertyOwner);
_ptsContext = new PtsContext(true, textFormattingMode);
_textFormatterHost = new TextFormatterHost(_ptsContext.TextFormatter, textFormattingMode);
_section = new MS.Internal.PtsHost.Section(this);
}
}
// Token: 0x06006A7B RID: 27259 RVA: 0x001E4664 File Offset: 0x001E2864
private void EnsurePtsContext()
{
if (this._ptsContext == null)
{
TextFormattingMode textFormattingMode = TextOptions.GetTextFormattingMode(this.PropertyOwner);
this._ptsContext = new PtsContext(true, textFormattingMode);
this._textFormatterHost = new TextFormatterHost(this._ptsContext.TextFormatter, textFormattingMode, this._owner.PixelsPerDip);
this._section = new Section(this);
}
}
public static bool IsTextTrimmed(this TextBlock textBlock)
{
if (textBlock.TextTrimming == TextTrimming.None)
{
return(false);
}
var textFormattingMode = TextOptions.GetTextFormattingMode(textBlock);
var typeface = new Typeface(textBlock.FontFamily, textBlock.FontStyle, textBlock.FontWeight, textBlock.FontStretch);
var formattedText = new FormattedText(textBlock.Text, CultureInfo.CurrentCulture, textBlock.FlowDirection, typeface, textBlock.FontSize, textBlock.Foreground, new NumberSubstitution(), textFormattingMode, VisualTreeHelper.GetDpi(textBlock).PixelsPerDip);
return(textBlock.SnapsToDevicePixels || textBlock.UseLayoutRounding || textFormattingMode == TextFormattingMode.Display ? (int)textBlock.ActualWidth < (int)formattedText.Width : textBlock.ActualWidth.LessThan(formattedText.Width));
}
protected override void OnPreviewKeyDown(KeyEventArgs e)
{
base.OnPreviewKeyDown(e);
if (!e.Handled && e.Key == Key.D && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt))
{
enableFocusDebugOutput = !enableFocusDebugOutput;
StringWriter output = new StringWriter();
output.WriteLine("Keyboard.FocusedElement = " + GetElementName(Keyboard.FocusedElement));
output.WriteLine("ActiveContent = " + GetElementName(this.ActiveContent));
output.WriteLine("ActiveViewContent = " + GetElementName(this.ActiveViewContent));
output.WriteLine("ActiveWorkbenchWindow = " + GetElementName(this.ActiveWorkbenchWindow));
((AvalonDockLayout)workbenchLayout).WriteState(output);
LoggingService.Debug(output.ToString());
e.Handled = true;
}
if (!e.Handled && e.Key == Key.F && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt))
{
if (TextOptions.GetTextFormattingMode(this) == TextFormattingMode.Display)
{
TextOptions.SetTextFormattingMode(this, TextFormattingMode.Ideal);
}
else
{
TextOptions.SetTextFormattingMode(this, TextFormattingMode.Display);
}
this.StatusBar.SetMessage("TextFormattingMode=" + TextOptions.GetTextFormattingMode(this));
}
if (!e.Handled && e.Key == Key.R && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt))
{
switch (TextOptions.GetTextRenderingMode(this))
{
case TextRenderingMode.Auto:
case TextRenderingMode.ClearType:
TextOptions.SetTextRenderingMode(this, TextRenderingMode.Grayscale);
break;
case TextRenderingMode.Grayscale:
TextOptions.SetTextRenderingMode(this, TextRenderingMode.Aliased);
break;
default:
TextOptions.SetTextRenderingMode(this, TextRenderingMode.ClearType);
break;
}
this.StatusBar.SetMessage("TextRenderingMode=" + TextOptions.GetTextRenderingMode(this));
}
if (!e.Handled && e.Key == Key.G && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt))
{
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
this.StatusBar.SetMessage("Total memory = " + (GC.GetTotalMemory(true) / 1024 / 1024f).ToString("f1") + " MB");
}
}
private void btnFontSize_Click(object sender, RoutedEventArgs e)
{
Debug.WriteLine("Before change size, mode=" + TextOptions.GetTextFormattingMode(txtFontTest));
if (txtFontTest.FontSize == 12)
{
txtFontTest.FontSize = 30;
}
else
{
txtFontTest.FontSize = 12;
}
Debug.WriteLine("After change size, mode=" + TextOptions.GetTextFormattingMode(txtFontTest));
}
/// <summary>
/// Copied from source code of AvalonEdit in order to use in custom implemenation.
/// </summary>
/// <param name="element">Current framework element</param>
/// <param name="text">Current text</param>
/// <param name="typeface">Current typeface</param>
/// <param name="emSize">Requested size</param>
/// <param name="foreground">Current foreground brush</param>
/// <returns>FormattedText for framework element</returns>
/// <history>
/// [Curtis_Beard] 04/08/2015 ADD: update RichTextBox to AvalonEdit
/// </history>
private FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double?emSize, Brush foreground)
{
return(new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
));
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double? emSize, Brush foreground)
{
if (element == null)
throw new ArgumentNullException("element");
if (text == null)
throw new ArgumentNullException("text");
if (typeface == null)
typeface = element.CreateTypeface();
if (emSize == null)
emSize = TextBlock.GetFontSize(element);
if (foreground == null)
foreground = TextBlock.GetForeground(element);
return new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
);
#else
if (TextFormattingModeProperty != null) {
object formattingMode = element.GetValue(TextFormattingModeProperty);
return (FormattedText)Activator.CreateInstance(
typeof(FormattedText),
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize,
foreground,
null,
formattingMode
);
} else {
return new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground
);
}
}
private static FrameworkElement CreateElement(string text, IWpfTextView textView, TextFormattingRunProperties format)
{
// Constructs the hint block which gets assigned parameter name and fontstyles according to the options
// page. Calculates a font size 1/4 smaller than the font size of the rest of the editor
var block = new TextBlock
{
FontFamily = format.Typeface.FontFamily,
FontSize = format.FontRenderingEmSize - (0.25 * format.FontRenderingEmSize),
FontStyle = FontStyles.Normal,
Foreground = format.ForegroundBrush,
// Adds a little bit of padding to the left of the text relative to the border
// to make the text seem more balanced in the border
Padding = new Thickness(left: 1, top: 0, right: 0, bottom: 0),
Text = text + ":",
VerticalAlignment = VerticalAlignment.Center,
};
// Encapsulates the textblock within a border. Sets the height of the border to be 3/4 of the original
// height. Gets foreground/background colors from the options menu. The margin is the distance from the
// adornment to the text and pushing the adornment upwards to create a separation when on a specific line
var border = new Border
{
Background = format.BackgroundBrush,
Child = block,
CornerRadius = new CornerRadius(2),
Height = textView.LineHeight - (0.25 * textView.LineHeight),
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(left: 0, top: -0.20 * textView.LineHeight, right: 5, bottom: 0),
Padding = new Thickness(1),
// Need to set SnapsToDevicePixels and UseLayoutRounding to avoid unnecessary reformatting
SnapsToDevicePixels = textView.VisualElement.SnapsToDevicePixels,
UseLayoutRounding = textView.VisualElement.UseLayoutRounding,
VerticalAlignment = VerticalAlignment.Center
};
// Need to set these properties to avoid unnecessary reformatting because some dependancy properties
// affect layout
TextOptions.SetTextFormattingMode(border, TextOptions.GetTextFormattingMode(textView.VisualElement));
TextOptions.SetTextHintingMode(border, TextOptions.GetTextHintingMode(textView.VisualElement));
TextOptions.SetTextRenderingMode(border, TextOptions.GetTextRenderingMode(textView.VisualElement));
border.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(border);
}
protected override Size MeasureOverride(Size availableSize)
{
// always call the base class, it creates the typeface and enSize
var size = base.MeasureOverride(availableSize);
if (LineNumbers.Count > 0)
{
double pixelsPerDip = VisualTreeHelper.GetDpi(this).PixelsPerDip;
int digits = (int)Math.Floor(Math.Log10(LineNumbers.Max()) + 1);
FormattedText text = new FormattedText(
new string('9', digits), CultureInfo.CurrentCulture, TextView.FlowDirection,
typeface, emSize, Brushes.Black, null,
TextOptions.GetTextFormattingMode(this), pixelsPerDip);
return(new Size(text.Width, 0));
}
else
{
return(size);
}
}
protected override void OnRender(DrawingContext drawingContext)
{
if (LineNumbers.Count > 0)
{
TextView textView = TextView;
Size renderSize = RenderSize;
if (textView != null && textView.VisualLinesValid)
{
var foreground = (Brush)GetValue(Control.ForegroundProperty);
double pixelsPerDip = VisualTreeHelper.GetDpi(this).PixelsPerDip;
foreach (VisualLine line in textView.VisualLines)
{
int lineIndex = line.FirstDocumentLine.LineNumber - 1;
if (lineIndex >= 0 && lineIndex < LineNumbers.Count)
{
FormattedText text = new FormattedText(
LineNumbers[lineIndex].ToString(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize,
foreground,
null,
TextOptions.GetTextFormattingMode(this),
pixelsPerDip);
double y = line.GetTextLineVisualYPosition(line.TextLines[0], VisualYPosition.TextTop);
drawingContext.DrawText(text, new Point(renderSize.Width - text.Width, y - textView.VerticalOffset));
}
}
}
}
else
{
base.OnRender(drawingContext);
}
}
private static FrameworkElement CreateElement(
ImmutableArray <TaggedText> taggedTexts,
IWpfTextView textView,
TextFormattingRunProperties format,
IClassificationFormatMap formatMap,
ClassificationTypeMap typeMap,
bool classify)
{
// Constructs the hint block which gets assigned parameter name and fontstyles according to the options
// page. Calculates a font size 1/4 smaller than the font size of the rest of the editor
var block = new TextBlock
{
FontFamily = format.Typeface.FontFamily,
FontSize = format.FontRenderingEmSize - (0.25 * format.FontRenderingEmSize),
FontStyle = FontStyles.Normal,
Foreground = format.ForegroundBrush,
// Adds a little bit of padding to the left of the text relative to the border
// to make the text seem more balanced in the border
Padding = new Thickness(left: 1, top: 0, right: 1, bottom: 0),
VerticalAlignment = VerticalAlignment.Center,
};
var(trimmedTexts, leftPadding, rightPadding) = Trim(taggedTexts);
foreach (var taggedText in trimmedTexts)
{
var run = new Run(taggedText.ToVisibleDisplayString(includeLeftToRightMarker: true));
if (classify && taggedText.Tag != TextTags.Text)
{
var properties = formatMap.GetTextProperties(typeMap.GetClassificationType(taggedText.Tag.ToClassificationTypeName()));
var brush = properties.ForegroundBrush.Clone();
run.Foreground = brush;
}
block.Inlines.Add(run);
}
// Encapsulates the textblock within a border. Sets the height of the border to be 3/4 of the original
// height. Gets foreground/background colors from the options menu. The margin is the distance from the
// adornment to the text and pushing the adornment upwards to create a separation when on a specific line
// If the tag is started or followed by a space, we trim that off but represent the space as buffer on hte
// left or right side.
var left = leftPadding * 5;
var right = rightPadding * 5;
var border = new Border
{
Background = format.BackgroundBrush,
Child = block,
CornerRadius = new CornerRadius(2),
Height = textView.LineHeight - (0.25 * textView.LineHeight),
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(left, top: -0.20 * textView.LineHeight, right, bottom: 0),
Padding = new Thickness(1),
// Need to set SnapsToDevicePixels and UseLayoutRounding to avoid unnecessary reformatting
SnapsToDevicePixels = textView.VisualElement.SnapsToDevicePixels,
UseLayoutRounding = textView.VisualElement.UseLayoutRounding,
VerticalAlignment = VerticalAlignment.Center
};
// Need to set these properties to avoid unnecessary reformatting because some dependancy properties
// affect layout
TextOptions.SetTextFormattingMode(border, TextOptions.GetTextFormattingMode(textView.VisualElement));
TextOptions.SetTextHintingMode(border, TextOptions.GetTextHintingMode(textView.VisualElement));
TextOptions.SetTextRenderingMode(border, TextOptions.GetTextRenderingMode(textView.VisualElement));
border.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(border);
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(FrameworkElement element, string text, Typeface typeface, double?emSize, Brush foreground)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (text == null)
{
throw new ArgumentNullException("text");
}
if (typeface == null)
{
typeface = element.CreateTypeface();
}
if (emSize == null)
{
emSize = TextBlock.GetFontSize(element);
}
if (foreground == null)
{
foreground = TextBlock.GetForeground(element);
}
#if DOTNET4
#pragma warning disable CS0618 // Type or member is obsolete
return(new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground,
null,
TextOptions.GetTextFormattingMode(element)
));
#pragma warning restore CS0618 // Type or member is obsolete
#else
if (TextFormattingModeProperty != null)
{
object formattingMode = element.GetValue(TextFormattingModeProperty);
return((FormattedText)Activator.CreateInstance(
typeof(FormattedText),
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize,
foreground,
null,
formattingMode
));
}
else
{
return(new FormattedText(
text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground
));
}
#endif
}
private static FrameworkElement CreateElement(
ImmutableArray <TaggedText> taggedTexts,
IWpfTextView textView,
TextFormattingRunProperties format,
IClassificationFormatMap formatMap,
ClassificationTypeMap typeMap,
bool classify)
{
// Constructs the hint block which gets assigned parameter name and fontstyles according to the options
// page. Calculates a inline tag that will be 3/4s the size of a normal line. This shrink size tends to work
// well with VS at any zoom level or font size.
var block = new TextBlock
{
FontFamily = format.Typeface.FontFamily,
FontSize = 0.75 * format.FontRenderingEmSize,
FontStyle = FontStyles.Normal,
Foreground = format.ForegroundBrush,
// Adds a little bit of padding to the left of the text relative to the border to make the text seem
// more balanced in the border
Padding = new Thickness(left: 2, top: 0, right: 2, bottom: 0)
};
var(trimmedTexts, leftPadding, rightPadding) = Trim(taggedTexts);
foreach (var taggedText in trimmedTexts)
{
var run = new Run(taggedText.ToVisibleDisplayString(includeLeftToRightMarker: true));
if (classify && taggedText.Tag != TextTags.Text)
{
var properties = formatMap.GetTextProperties(typeMap.GetClassificationType(taggedText.Tag.ToClassificationTypeName()));
var brush = properties.ForegroundBrush.Clone();
run.Foreground = brush;
}
block.Inlines.Add(run);
}
block.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
// Encapsulates the textblock within a border. Gets foreground/background colors from the options menu.
// If the tag is started or followed by a space, we trim that off but represent the space as buffer on hte
// left or right side.
var left = leftPadding * 5;
var right = rightPadding * 5;
var border = new Border
{
Background = format.BackgroundBrush,
Child = block,
CornerRadius = new CornerRadius(2),
VerticalAlignment = VerticalAlignment.Bottom,
Margin = new Thickness(left, top: 0, right, bottom: 0),
};
// gets pixel distance of baseline to top of the font height
var dockPanelHeight = format.Typeface.FontFamily.Baseline * format.FontRenderingEmSize;
var dockPanel = new DockPanel
{
Height = dockPanelHeight,
LastChildFill = false,
// VerticalAlignment is set to Top because it will rest to the top relative to the stackpanel
VerticalAlignment = VerticalAlignment.Top
};
dockPanel.Children.Add(border);
DockPanel.SetDock(border, Dock.Bottom);
var stackPanel = new StackPanel
{
// Height set to align the baseline of the text within the TextBlock with the baseline of text in the editor
Height = dockPanelHeight + (block.DesiredSize.Height - (block.FontFamily.Baseline * block.FontSize)),
Orientation = Orientation.Vertical
};
stackPanel.Children.Add(dockPanel);
// Need to set these properties to avoid unnecessary reformatting because some dependancy properties
// affect layout
TextOptions.SetTextFormattingMode(stackPanel, TextOptions.GetTextFormattingMode(textView.VisualElement));
TextOptions.SetTextHintingMode(stackPanel, TextOptions.GetTextHintingMode(textView.VisualElement));
TextOptions.SetTextRenderingMode(stackPanel, TextOptions.GetTextRenderingMode(textView.VisualElement));
return(stackPanel);
}
public static Size MeasureText(string text, Control control)
{
return(MeasureText(text, control.FontFamily, control.FontSize,
control.FontStyle, control.FontWeight, control.FontStretch,
TextOptions.GetTextFormattingMode(control)));
}
void UpdateViewLayoutOptionsCache(FrameworkElement view)
{
m_textRenderingMode = TextOptions.GetTextRenderingMode(view);
m_textHintingMode = TextOptions.GetTextHintingMode(view);
m_textFormattingMode = TextOptions.GetTextFormattingMode(view);
}
Boolean AreViewLayoutOptionsChanged(FrameworkElement view)
{
return((TextOptions.GetTextRenderingMode(view) != m_textRenderingMode) ||
(TextOptions.GetTextHintingMode(view) != m_textHintingMode) ||
(TextOptions.GetTextFormattingMode(view) != m_textFormattingMode));
}
/// <summary>
/// Determines whether or not the text in <paramref name="textBlock"/> is currently being trimmed due to width or height constraints.
/// </summary>
/// <param name="textBlock">The <see cref="TextBlock"/> to evaluate.</param>
/// <returns><c>true</c> if the text is currently being trimmed; otherwise <c>false</c></returns>
private static bool EvaluateIsTextTrimmed([NotNull] TextBlock textBlock)
{
var fontFamily = textBlock.FontFamily;
var text = textBlock.Text;
if ((fontFamily == null) || (text == null))
{
return(false);
}
var typeface = new Typeface(fontFamily, textBlock.FontStyle, textBlock.FontWeight, textBlock.FontStretch);
var numberSubstitution = new NumberSubstitution(NumberSubstitution.GetCultureSource(textBlock), NumberSubstitution.GetCultureOverride(textBlock), NumberSubstitution.GetSubstitution(textBlock));
#if NET45
var formattedText = new FormattedText(text, CultureInfo.CurrentCulture, textBlock.FlowDirection, typeface, textBlock.FontSize, textBlock.Foreground, numberSubstitution, TextOptions.GetTextFormattingMode(textBlock));
#else
var pixelsPerDip = textBlock.GetPhysicalPixelSize().Height;
var formattedText = new FormattedText(text, CultureInfo.CurrentCulture, textBlock.FlowDirection, typeface, textBlock.FontSize, textBlock.Foreground, numberSubstitution, TextOptions.GetTextFormattingMode(textBlock), pixelsPerDip);
#endif
var padding = textBlock.Padding;
var actualWidth = textBlock.ActualWidth - padding.Left - padding.Right;
var actualHeight = textBlock.ActualHeight - padding.Top - padding.Bottom;
if (textBlock.TextWrapping != TextWrapping.NoWrap)
{
formattedText.MaxTextWidth = actualWidth;
}
var isTextTrimmed = ((Math.Floor(formattedText.Height) - actualHeight) > 0.0001) || (Math.Floor(formattedText.Width) - actualWidth > 0.0001);
return(isTextTrimmed);
}
private static FrameworkElement CreateElement(
ImmutableArray <TaggedText> taggedTexts,
IWpfTextView textView,
TextFormattingRunProperties format,
IClassificationFormatMap formatMap,
ClassificationTypeMap typeMap,
bool classify)
{
// Constructs the hint block which gets assigned parameter name and fontstyles according to the options
// page. Calculates a inline tag that will be 3/4s the size of a normal line. This shrink size tends to work
// well with VS at any zoom level or font size.
var block = new TextBlock
{
FontFamily = format.Typeface.FontFamily,
FontSize = 0.75 * format.FontRenderingEmSize,
FontStyle = FontStyles.Normal,
Foreground = format.ForegroundBrush,
// Adds a little bit of padding to the left of the text relative to the border
// to make the text seem more balanced in the border
Padding = new Thickness(left: 1, top: 0, right: 1, bottom: 0),
VerticalAlignment = VerticalAlignment.Center,
};
var(trimmedTexts, leftPadding, rightPadding) = Trim(taggedTexts);
foreach (var taggedText in trimmedTexts)
{
var run = new Run(taggedText.ToVisibleDisplayString(includeLeftToRightMarker: true));
if (classify && taggedText.Tag != TextTags.Text)
{
var properties = formatMap.GetTextProperties(typeMap.GetClassificationType(taggedText.Tag.ToClassificationTypeName()));
var brush = properties.ForegroundBrush.Clone();
run.Foreground = brush;
}
block.Inlines.Add(run);
}
// Encapsulates the textblock within a border. Gets foreground/background colors from the options menu.
// If the tag is started or followed by a space, we trim that off but represent the space as buffer on hte
// left or right side.
var left = leftPadding * 5;
var right = rightPadding * 5;
var border = new Border
{
Background = format.BackgroundBrush,
Child = block,
CornerRadius = new CornerRadius(2),
// Place 3 pixels above/below the border object. This works well as the highlighting lines are 2px
// each, giving us 1 px of space on both side of the inline tag and them. This gives the inline tag
// an appropriate floating-halfway feeling on the line.
Margin = new Thickness(left, top: 3, right, bottom: 3),
};
// Need to set these properties to avoid unnecessary reformatting because some dependancy properties
// affect layout
TextOptions.SetTextFormattingMode(border, TextOptions.GetTextFormattingMode(textView.VisualElement));
TextOptions.SetTextHintingMode(border, TextOptions.GetTextHintingMode(textView.VisualElement));
TextOptions.SetTextRenderingMode(border, TextOptions.GetTextRenderingMode(textView.VisualElement));
border.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
return(border);
}
