void UpdateEnableState()
{
enabled = wpfHexView.Options.IsHighlightCurrentLineEnabled();
if (enabled)
{
if (adornmentLayer == null)
{
adornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.CurrentLineHighlighter);
}
if (!hasHookedEvents)
{
RegisterEnabledEvents();
isActive = wpfHexView.HasAggregateFocus;
selectionIsEmpty = wpfHexView.Selection.IsEmpty;
isActive = wpfHexView.HasAggregateFocus;
UpdateLineElementBrushes();
PositionLineElement();
}
}
else
{
adornmentLayer?.RemoveAllAdornments();
if (hasHookedEvents)
{
UnregisterEnabledEvents();
}
}
}
void RemoveAllMarkerElements()
{
// Clear this first so the remove-callback won't try to remove anything from this list (it'll be empty!)
markerElements.Clear();
negativeTextMarkerAdornmentLayer.RemoveAllAdornments();
textMarkerAdornmentLayer.RemoveAllAdornments();
}
void PositionLineElement()
{
if (!selectionIsEmpty || !enabled)
{
adornmentLayer?.RemoveAllAdornments();
return;
}
var line = wpfHexView.Caret.ContainingHexViewLine;
if (line.IsVisible())
{
if (adornmentLayer.IsEmpty)
{
adornmentLayer.AddAdornment(VSTE.AdornmentPositioningBehavior.OwnerControlled, (HexBufferSpan?)null, null, currentLineHighlighterElement, null);
}
Canvas.SetLeft(currentLineHighlighterElement, wpfHexView.ViewportLeft);
Canvas.SetTop(currentLineHighlighterElement, line.TextTop);
currentLineHighlighterElement.SetLine(line, wpfHexView.ViewportWidth);
}
else
{
adornmentLayer.RemoveAllAdornments();
}
}
protected override void OnDisabledCore()
{
wpfHexView.LayoutChanged -= WpfHexView_LayoutChanged;
if (adornmentLayer != null)
{
adornmentLayer.RemoveAllAdornments();
}
}
void WpfHexView_Closed(object sender, EventArgs e)
{
wpfHexView.Closed -= WpfHexView_Closed;
wpfHexView.LayoutChanged -= WpfHexView_LayoutChanged;
wpfHexView.Selection.SelectionChanged -= Selection_SelectionChanged;
tagAggregator.TagsChanged -= TagAggregator_TagsChanged;
tagAggregator.Dispose();
adornmentTagInfos.Clear();
layer?.RemoveAllAdornments();
}
void RemoveAllLines()
{
adornmentLayer?.RemoveAllAdornments();
lineElements.Clear();
}
void RemoveAdornment() => layer.RemoveAllAdornments();
void RemoveAllRectangles()
{
adornmentLayer?.RemoveAllAdornments();
rectangleElements.Clear();
}
void RemoveAllAdornments()
{
layer.RemoveAllAdornments();
markerElement = null;
}
