Ejemplo n.º 1
0
		public override void EnsureSpanVisible(HexLineSpan lineSpan, VSTE.EnsureSpanVisibleOptions options) {
			if (lineSpan.IsDefault)
				throw new ArgumentException();
			if (lineSpan.BufferSpan.Buffer != hexView.Buffer)
				throw new ArgumentException();
			EnsureSpanVisibleCore(lineSpan, options);
		}
Ejemplo n.º 2
0
		void EnsureSpanVisibleX(HexLineSpan lineSpan, VSTE.EnsureSpanVisibleOptions options) {
			var span = lineSpan.BufferSpan;
			if (hexView.ViewportWidth == 0)
				return;

			var lines = hexView.HexViewLines.GetHexViewLinesIntersectingSpan(span);
			if (lines.Count == 0)
				return;

			var ispan = span.Intersection(hexView.HexViewLines.FormattedSpan);
			if (ispan == null)
				return;
			span = ispan.Value;

			double left = double.PositiveInfinity, right = double.NegativeInfinity;
			for (int i = 0; i < lines.Count; i++) {
				var line = lines[i];
				var intersection = line.BufferSpan.Intersection(span);
				if (intersection == null)
					continue;

				var bounds = lineSpan.IsTextSpan ?
					line.GetNormalizedTextBounds(lineSpan.TextSpan.Value) :
					line.GetNormalizedTextBounds(intersection.Value, lineSpan.SelectionFlags.Value);
				foreach (var b in bounds) {
					if (left > b.Left)
						left = b.Left;
					if (right < b.Right)
						right = b.Right;
				}
			}
			if (double.IsInfinity(left) || double.IsInfinity(right))
				return;
			Debug.Assert(left <= right);
			if (left > right)
				right = left;
			double width = right - left;

			double availWidth = Math.Max(0, hexView.ViewportWidth - width);
			double extraScroll;
			const double EXTRA_WIDTH = 4;
			if (availWidth >= EXTRA_WIDTH)
				extraScroll = EXTRA_WIDTH;
			else
				extraScroll = availWidth / 2;

			if (hexView.ViewportLeft <= right && right <= hexView.ViewportRight) {
			}
			else if (right > hexView.ViewportRight)
				hexView.ViewportLeft = right + extraScroll - hexView.ViewportWidth;
			else {
				var newLeft = left - extraScroll;
				if (newLeft + hexView.ViewportWidth < right)
					newLeft = right - hexView.ViewportWidth;
				hexView.ViewportLeft = newLeft;
			}
		}
		internal void Update(HexLineSpan lineSpan, VSTA.PopupStyles style) {
			if (lineSpan.IsDefault)
				throw new ArgumentException();
			if ((style & (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent)) == (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent))
				throw new ArgumentOutOfRangeException(nameof(style));
			this.lineSpan = lineSpan;
			this.style = style;
			wpfHexView.QueueSpaceReservationStackRefresh();
		}
Ejemplo n.º 4
0
		void EnsureSpanVisibleCore(HexLineSpan lineSpan, VSTE.EnsureSpanVisibleOptions options) {
			if (lineSpan.BufferSpan.Buffer != hexView.Buffer)
				throw new ArgumentException();

			if ((hexView.HexViewLines?.Count ?? 0) == 0)
				return;

			EnsureSpanVisibleY(lineSpan.BufferSpan, options);
			EnsureSpanVisibleX(lineSpan, options);
		}
		public HexPopupSpaceReservationAgent(HexSpaceReservationManager spaceReservationManager, WpfHexView wpfHexView, HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content) {
			if (spaceReservationManager == null)
				throw new ArgumentNullException(nameof(spaceReservationManager));
			if (lineSpan.IsDefault)
				throw new ArgumentException();
			if (content == null)
				throw new ArgumentNullException(nameof(content));
			if ((style & (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent)) == (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent))
				throw new ArgumentOutOfRangeException(nameof(style));
			this.spaceReservationManager = spaceReservationManager;
			this.wpfHexView = wpfHexView;
			this.lineSpan = lineSpan;
			this.style = style;
			this.content = content;
			popup = new Popup {
				PlacementTarget = wpfHexView.VisualElement,
				Placement = PlacementMode.Relative,
				Visibility = Visibility.Collapsed,
				IsOpen = false,
				AllowsTransparency = true,
				UseLayoutRounding = true,
				SnapsToDevicePixels = true,
			};
		}
		public override HexSpaceReservationAgent CreatePopupAgent(HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content) {
			if (wpfHexView.IsClosed)
				throw new InvalidOperationException();
			if (lineSpan.IsDefault)
				throw new ArgumentException();
			if (content == null)
				throw new ArgumentNullException(nameof(content));
			if ((style & (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent)) == (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent))
				throw new ArgumentOutOfRangeException(nameof(style));
			return new HexPopupSpaceReservationAgent(this, wpfHexView, lineSpan, style, content);
		}
		public override void UpdatePopupAgent(HexSpaceReservationAgent agent, HexLineSpan lineSpan, VSTA.PopupStyles styles) {
			if (wpfHexView.IsClosed)
				throw new InvalidOperationException();
			if (agent == null)
				throw new ArgumentNullException(nameof(agent));
			if (lineSpan.IsDefault)
				throw new ArgumentException();
			if ((styles & (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent)) == (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent))
				throw new ArgumentOutOfRangeException(nameof(styles));
			if (!spaceReservationAgents.Contains(agent))
				throw new ArgumentOutOfRangeException(nameof(agent));
			var popupAgent = agent as HexPopupSpaceReservationAgent;
			if (popupAgent == null)
				throw new ArgumentException();
			popupAgent.Update(lineSpan, styles);
			UpdateAggregateFocus();
			wpfHexView.QueueSpaceReservationStackRefresh();
		}