public HexPopupSpaceReservationAgent(HexSpaceReservationManager spaceReservationManager, WpfHexView wpfHexView, HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content)
{
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.spaceReservationManager = spaceReservationManager ?? throw new ArgumentNullException(nameof(spaceReservationManager));
this.wpfHexView = wpfHexView;
this.lineSpan = lineSpan;
this.style = style;
this.content = content ?? throw new ArgumentNullException(nameof(content));
popup = new Popup {
PlacementTarget = wpfHexView.VisualElement,
Placement = PlacementMode.Relative,
Visibility = Visibility.Collapsed,
IsOpen = false,
AllowsTransparency = true,
UseLayoutRounding = true,
SnapsToDevicePixels = true,
};
}
public override void UpdatePopupAgent(HexSpaceReservationAgent agent, HexLineSpan lineSpan, VSTA.PopupStyles styles)
{
if (wpfHexView.IsClosed)
{
throw new InvalidOperationException();
}
if (agent is 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 is null)
{
throw new ArgumentException();
}
popupAgent.Update(lineSpan, styles);
UpdateAggregateFocus();
wpfHexView.QueueSpaceReservationStackRefresh();
}
/// <summary>
/// Gets normalized text bounds
/// </summary>
/// <param name="lineSpan">Line span</param>
/// <returns></returns>
public Collection <VSTF.TextBounds> GetNormalizedTextBounds(HexLineSpan lineSpan)
{
if (lineSpan.IsDefault)
{
throw new ArgumentException();
}
if (lineSpan.IsTextSpan)
{
return(GetNormalizedTextBounds(lineSpan.TextSpan.Value));
}
return(GetNormalizedTextBounds(lineSpan.BufferSpan, lineSpan.SelectionFlags.Value));
}
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);
}
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 override HexSpaceReservationAgent CreatePopupAgent(HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content)
{
if (wpfHexView.IsClosed)
{
throw new InvalidOperationException();
}
if (lineSpan.IsDefault)
{
throw new ArgumentException();
}
if (content is 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));
}
/// <summary> /// Scrolls a span into view /// </summary> /// <param name="lineSpan">Line span</param> /// <param name="options">Options</param> public abstract void EnsureSpanVisible(HexLineSpan lineSpan, VSTE.EnsureSpanVisibleOptions options);
/// <summary> /// Scrolls a span into view /// </summary> /// <param name="lineSpan">Line span</param> public void EnsureSpanVisible(HexLineSpan lineSpan) => EnsureSpanVisible(lineSpan, VSTE.EnsureSpanVisibleOptions.None);
/// <summary>
/// Gets normalized text bounds
/// </summary>
/// <param name="lineSpan">Line span</param>
/// <returns></returns>
public Collection<VSTF.TextBounds> GetNormalizedTextBounds(HexLineSpan lineSpan) {
if (lineSpan.IsDefault)
throw new ArgumentException();
if (lineSpan.IsTextSpan)
return GetNormalizedTextBounds(lineSpan.TextSpan.Value);
return GetNormalizedTextBounds(lineSpan.BufferSpan, lineSpan.SelectionFlags.Value);
}
/// <summary> /// Updates a popup agent /// </summary> /// <param name="agent">Popup agent created by <see cref="CreatePopupAgent(HexLineSpan, VSTA.PopupStyles, UIElement)"/></param> /// <param name="lineSpan">New line span</param> /// <param name="styles">New popup style</param> public abstract void UpdatePopupAgent(HexSpaceReservationAgent agent, HexLineSpan lineSpan, VSTA.PopupStyles styles);
/// <summary> /// Scrolls a span into view /// </summary> /// <param name="lineSpan">Line span</param> public void EnsureSpanVisible(HexLineSpan lineSpan) => EnsureSpanVisible(lineSpan, VSTE.EnsureSpanVisibleOptions.None);
/// <summary> /// Updates a popup agent /// </summary> /// <param name="agent">Popup agent created by <see cref="CreatePopupAgent(HexLineSpan, VSTA.PopupStyles, UIElement)"/></param> /// <param name="lineSpan">New line span</param> /// <param name="styles">New popup style</param> public abstract void UpdatePopupAgent(HexSpaceReservationAgent agent, HexLineSpan lineSpan, VSTA.PopupStyles styles);
/// <summary> /// Creates a popup agent /// </summary> /// <param name="lineSpan">Line span</param> /// <param name="style">Popup style</param> /// <param name="content">Popup content</param> /// <returns></returns> public abstract HexSpaceReservationAgent CreatePopupAgent(HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content);
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;
}
}
/// <summary> /// Scrolls a span into view /// </summary> /// <param name="lineSpan">Line span</param> /// <param name="options">Options</param> public abstract void EnsureSpanVisible(HexLineSpan lineSpan, VSTE.EnsureSpanVisibleOptions options);
/// <summary> /// Creates a popup agent /// </summary> /// <param name="lineSpan">Line span</param> /// <param name="style">Popup style</param> /// <param name="content">Popup content</param> /// <returns></returns> public abstract HexSpaceReservationAgent CreatePopupAgent(HexLineSpan lineSpan, VSTA.PopupStyles style, UIElement content);