public HexMarkerService(WpfHexView wpfHexView, HexTagAggregator <HexMarkerTag> tagAggregator, VSTC.IEditorFormatMap editorFormatMap, IThemeService themeService)
{
if (wpfHexView == null)
{
throw new ArgumentNullException(nameof(wpfHexView));
}
if (tagAggregator == null)
{
throw new ArgumentNullException(nameof(tagAggregator));
}
if (editorFormatMap == null)
{
throw new ArgumentNullException(nameof(editorFormatMap));
}
if (themeService == null)
{
throw new ArgumentNullException(nameof(themeService));
}
this.wpfHexView = wpfHexView;
this.tagAggregator = tagAggregator;
this.editorFormatMap = editorFormatMap;
this.themeService = themeService;
textMarkerAdornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.TextMarker);
negativeTextMarkerAdornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.NegativeTextMarker);
markerElements = new List <MarkerElement>();
useReducedOpacityForHighContrast = wpfHexView.Options.GetOptionValue(DefaultWpfHexViewOptions.UseReducedOpacityForHighContrastOptionId);
onRemovedDelegate = OnRemoved;
wpfHexView.Closed += WpfHexView_Closed;
wpfHexView.LayoutChanged += WpfHexView_LayoutChanged;
wpfHexView.Options.OptionChanged += Options_OptionChanged;
tagAggregator.BatchedTagsChanged += TagAggregator_BatchedTagsChanged;
editorFormatMap.FormatMappingChanged += EditorFormatMap_FormatMappingChanged;
}
void UpdateEnabled()
{
var newEnabled = wpfHexView.Options.ShowColumnLines();
if (newEnabled == enabled)
{
return;
}
enabled = newEnabled;
if (enabled)
{
if (adornmentLayer == null)
{
adornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.ColumnLineSeparator);
}
HookEnabledEvents();
}
else
{
UnhookEnabledEvents();
}
DelayRecreateColumnLines();
}
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 UpdateEnabled()
{
var newEnabled = wpfHexView.Options.HighlightActiveColumn();
if (newEnabled == enabled)
{
return;
}
enabled = newEnabled;
if (enabled)
{
if (adornmentLayer == null)
{
adornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.ActiveColumnHighlighter);
}
HookEnabledEvents();
}
else
{
UnhookEnabledEvents();
}
DelayRecreateRectangles();
}
protected override void OnEnabledCore()
{
if (adornmentLayer is null)
{
adornmentLayer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.BackgroundImage);
}
wpfHexView.LayoutChanged += WpfHexView_LayoutChanged;
}
void WpfHexView_LayoutChanged(object sender, HexViewLayoutChangedEventArgs e)
{
if (adornmentTagInfos.Count > 0)
{
currentLineIdentityTags.Clear();
foreach (var line in wpfHexView.HexViewLines)
{
currentLineIdentityTags.Add(line.IdentityTag);
}
foreach (var line in e.NewOrReformattedLines)
{
currentLineIdentityTags.Remove(line.IdentityTag);
}
for (int i = adornmentTagInfos.Count - 1; i >= 0; i--)
{
var adornmentInfo = adornmentTagInfos[i];
if (!currentLineIdentityTags.Contains(adornmentInfo.LineIdentityTag))
{
layer.RemoveAdornmentsByTag(adornmentInfo);
}
}
currentLineIdentityTags.Clear();
foreach (var line in e.TranslatedLines)
{
var tags = line.GetAdornmentTags(providerTag);
if (tags.Count == 0)
{
continue;
}
foreach (var identityTag in tags)
{
var adornmentInfo = identityTag as AdornmentTagInfo;
Debug.Assert(adornmentInfo != null);
if (adornmentInfo == null)
{
continue;
}
var bounds = line.GetAdornmentBounds(identityTag);
Debug.Assert(bounds != null);
if (bounds == null)
{
continue;
}
adornmentInfo.Initialize();
UpdateAdornmentUIState(line, adornmentInfo, bounds.Value);
}
}
}
foreach (var line in e.NewOrReformattedLines)
{
var tags = line.GetAdornmentTags(providerTag);
if (tags.Count == 0)
{
continue;
}
foreach (var identityTag in tags)
{
var adornmentInfo = identityTag as AdornmentTagInfo;
Debug.Assert(adornmentInfo != null);
if (adornmentInfo == null)
{
continue;
}
var bounds = line.GetAdornmentBounds(identityTag);
if (bounds == null)
{
continue;
}
if (layer == null)
{
layer = wpfHexView.GetAdornmentLayer(PredefinedHexAdornmentLayers.IntraTextAdornment);
// Can't do this in the ctor since Selection hasn't been initialized yet
wpfHexView.Selection.SelectionChanged += Selection_SelectionChanged;
}
adornmentInfo.Initialize();
UpdateAdornmentUIState(line, adornmentInfo, bounds.Value);
bool added = AddAdornment(adornmentInfo, line);
if (!added)
{
continue;
}
adornmentInfo.LineIdentityTag = line.IdentityTag;
UpdateIsSelected(adornmentInfo, line);
}
}
}