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);
}
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();
}
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();
}
