예제 #1
0
        /// <inheritdoc/>
        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
        {
            base.OnMouseLeftButtonDown(e);
            if (!e.Handled && TextView != null && textArea != null)
            {
                e.Handled = true;
                textArea.Focus();

                SimpleSegment currentSeg = GetTextLineSegment(e);
                if (currentSeg == SimpleSegment.Invalid)
                {
                    return;
                }
                textArea.Caret.Offset = currentSeg.Offset + currentSeg.Length;
                if (CaptureMouse())
                {
                    selecting      = true;
                    selectionStart = new AnchorSegment(Document, currentSeg.Offset, currentSeg.Length);
                    if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
                    {
                        SimpleSelection simpleSelection = textArea.Selection as SimpleSelection;
                        if (simpleSelection != null)
                        {
                            selectionStart = new AnchorSegment(Document, simpleSelection);
                        }
                    }
                    textArea.Selection = new SimpleSelection(selectionStart);
                    if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
                    {
                        ExtendSelection(currentSeg);
                    }
                }
            }
        }
예제 #2
0
        /// <inheritdoc/>
        public override bool Equals(object obj)
        {
            SimpleSelection other = obj as SimpleSelection;

            if (other == null)
            {
                return(false);
            }
            if (IsEmpty && other.IsEmpty)
            {
                return(true);
            }
            return(this.startOffset == other.startOffset && this.endOffset == other.endOffset);
        }