// This method should only be called once (it is normally called from the ctor unless we're using
// ITextEditorFactoryService2.CreateTextViewHostWithoutInitialization on the factory to delay initialization).
internal void Initialize()
{
if (_hasInitializeBeenCalled)
{
throw new InvalidOperationException("Attempted to Initialize a WpfTextViewHost twice");
}
_hasInitializeBeenCalled = true;
var documentFactoryService = CompositionManager.GetExportedValue <Microsoft.VisualStudio.Text.ITextDocumentFactoryService>();
var contentTypeRegistryService = CompositionManager.GetExportedValue <Microsoft.VisualStudio.Utilities.IContentTypeRegistryService>();
var contentType = contentTypeRegistryService.GetContentType("Text");
var textBuffer = PlatformCatalog.Instance.TextBufferFactoryService.CreateTextBuffer(@"
class Test
{
public static void Main (string[] args)
{
}
}
", contentType);
var document = documentFactoryService.CreateTextDocument(textBuffer, "/a.cs");
var dataModel = new VacuousTextDataModel(document.TextBuffer);
var viewModel = new VacuousTextViewModel(dataModel);
var textFactory = (TextEditorFactoryService)PlatformCatalog.Instance.TextEditorFactoryService;
TextView = new SkiaTextView(viewModel, textFactory.AllPredefinedRoles, textFactory.EditorOptionsFactoryService.GlobalOptions, textFactory);
}
public AdornmentLayer(SkiaTextView view, string name, bool isOverlayLayer = false)
{
_view = view;
_elements = new List <AdornmentAndData>();
_name = name;
//An adornment in the overlay layer only supports adornments with the OwnerControlled behavior
_isOverlayLayer = isOverlayLayer;
}
/// <summary>
/// Constructs a new selection Element that is bound to the specified editor canvas
/// </summary>
/// <param name="wpfTextView">
/// The WPF Text View that hosts this caret
/// </param>
public SkiaTextCaret(
SkiaTextView wpfTextView, SkiaTextSelection selection,
ISmartIndentationService smartIndentationService,
IEditorFormatMap editorFormatMap,
//IClassificationFormatMap classificationFormatMap,
GuardedOperations guardedOperations)
{
// Verify
Debug.Assert(wpfTextView != null);
_regularBrush = new SKPaint()
{
Color = SKColors.Red, Typeface = wpfTextView.Typeface, TextSize = 24, LcdRenderText = true, IsAntialias = true, SubpixelText = true
};
_wpfTextView = wpfTextView;
_selection = selection;
_guardedOperations = guardedOperations;
_smartIndentationService = smartIndentationService;
// Set up initial values
_caretAffinity = PositionAffinity.Successor;
_insertionPoint = new VirtualSnapshotPoint(new SnapshotPoint(_wpfTextView.TextSnapshot, 0));
//// Set the regular caret brush
//_editorFormatMap = editorFormatMap;
//// store information related to classifications
//_classificationFormatMap = classificationFormatMap;
this.SubscribeEvents();
this.UpdateDefaultBrushes();
this.UpdateRegularCaretBrush();
this.UpdateOverwriteCaretBrush();
//Set the default values for the caret to be what they should be for a hidden caret that is not in overwrite mode.
_caretBrush = _regularBrush;
// Get the caret blink time from the system. If the caret is set not to flash, the return value
// will be -1
_blinkInterval = CaretBlinkTimeManager.GetCaretBlinkTime();
if (_blinkInterval > 0)
{
_blinkTimer = new DispatcherTimer(new TimeSpan(0, 0, 0, 0, _blinkInterval), OnTimerElapsed);
}
this.UpdateBlinkTimer();
}
/// <summary>
/// Constructs a new selection Element
/// </summary>
public SkiaTextSelection(SkiaTextView wpfTextView, IEditorFormatMap editorFormatMap, GuardedOperations guardedOperations)
{
// Verify
Debug.Assert(wpfTextView != null);
_wpfTextView = wpfTextView;
_editorFormatMap = editorFormatMap;
ActivationTracksFocus = true;
// Initialize members
_activePoint = _anchorPoint = new VirtualSnapshotPoint(_wpfTextView.TextSnapshot, 0);
_selectionMode = TextSelectionMode.Stream;
_selectionAdornmentLayer = _wpfTextView.GetAdornmentLayer(PredefinedAdornmentLayers.Selection);
_guardedOperations = guardedOperations;
this.CreateAndSetPainter("Selected Text", ref _focusedPainter, SKColors.Blue.WithAlpha(80));
this.CreateAndSetPainter("Inactive Selected Text", ref _unfocusedPainter, SKColors.Gray.WithAlpha(80));
this.Painter.Activate();
SubscribeToEvents();
}
public SkiaViewScroller(SkiaTextView textView)
{
this.textView = textView;
}
