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();
}
public override void ShowToolTip(HexBufferSpan bufferSpan, HexSpanSelectionFlags flags, object toolTipContent, VSTA.PopupStyles style) {
if (bufferSpan.IsDefault)
throw new ArgumentException();
if (toolTipContent == null)
throw new ArgumentNullException(nameof(toolTipContent));
if ((style & (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent)) == (VSTA.PopupStyles.DismissOnMouseLeaveText | VSTA.PopupStyles.DismissOnMouseLeaveTextOrContent))
throw new ArgumentOutOfRangeException(nameof(style));
ClearToolTip();
var uiElement = GetUIElement(toolTipContent);
if (uiElement == null)
throw new ArgumentException();
spaceReservationManager.AgentChanged += SpaceReservationManager_AgentChanged;
toolTipAgent = spaceReservationManager.CreatePopupAgent(bufferSpan, flags, style, uiElement);
spaceReservationManager.AddAgent(toolTipAgent);
}
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,
};
}
/// <summary> /// Shows a tooltip /// </summary> /// <param name="bufferSpan">Buffer span</param> /// <param name="flags">Selection flags</param> /// <param name="toolTipContent">Tooltip content</param> /// <param name="style">Popup style</param> public abstract void ShowToolTip(HexBufferSpan bufferSpan, HexSpanSelectionFlags flags, object toolTipContent, VSTA.PopupStyles style);
/// <summary> /// Shows a tooltip /// </summary> /// <param name="span">Span and selection flags</param> /// <param name="toolTipContent">Tooltip content</param> /// <param name="style">Popup style</param> public void ShowToolTip(HexBufferSpanSelection span, object toolTipContent, VSTA.PopupStyles style) => ShowToolTip(span.BufferSpan, span.SelectionFlags, toolTipContent, style);
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();
}
Rect GetPosition(Rect screenRect, Size desiredSize, Rect spanBounds, Rect reservedBounds, VSTA.PopupStyles style) {
Debug.Assert(Rect.Union(reservedBounds, spanBounds) == reservedBounds);
double left, top;
if ((style & VSTA.PopupStyles.PositionLeftOrRight) != 0) {
bool preferLeft = (style & VSTA.PopupStyles.PreferLeftOrTopPosition) != 0;
bool bottomJustify = (style & VSTA.PopupStyles.RightOrBottomJustify) != 0;
top = bottomJustify ? spanBounds.Bottom - desiredSize.Height : reservedBounds.Top;
left = preferLeft ? reservedBounds.Left - desiredSize.Width : reservedBounds.Right;
if (top < screenRect.Top)
top = screenRect.Top;
else if (top + desiredSize.Height > screenRect.Bottom)
top = screenRect.Bottom - desiredSize.Height;
}
else {
bool preferTop = (style & VSTA.PopupStyles.PreferLeftOrTopPosition) != 0;
bool rightJustify = (style & VSTA.PopupStyles.RightOrBottomJustify) != 0;
top = preferTop ? reservedBounds.Top - desiredSize.Height : reservedBounds.Bottom;
left = rightJustify ? spanBounds.Right - desiredSize.Width : reservedBounds.Left;
if (left < screenRect.Left)
left = screenRect.Left;
else if (left + desiredSize.Width > screenRect.Right)
left = screenRect.Right - desiredSize.Width;
}
return new Rect(left, top, desiredSize.Width, desiredSize.Height);
}
IEnumerable<Rect> GetPositions(Rect screenRect, Geometry reservedSpace, Size desiredSize, Rect spanBounds, VSTA.PopupStyles style) {
var rect1 = GetPosition(screenRect, desiredSize, spanBounds, spanBounds, style);
if (!OverlapsReservedSpace(reservedSpace, rect1))
yield return rect1;
var unionBounds = Rect.Union(reservedSpace.Bounds, spanBounds);
if ((style & VSTA.PopupStyles.PositionLeftOrRight) != 0) {
bool preferLeft = (style & VSTA.PopupStyles.PreferLeftOrTopPosition) != 0;
var rect2 = preferLeft ?
new Rect(unionBounds.Left - desiredSize.Width, spanBounds.Y, desiredSize.Width, desiredSize.Height) :
new Rect(unionBounds.Right, spanBounds.Y, desiredSize.Width, desiredSize.Height);
if (!OverlapsReservedSpace(reservedSpace, rect2))
yield return rect2;
}
else {
bool preferTop = (style & VSTA.PopupStyles.PreferLeftOrTopPosition) != 0;
var rect2 = preferTop ?
new Rect(spanBounds.X, unionBounds.Top - desiredSize.Height, desiredSize.Width, desiredSize.Height) :
new Rect(spanBounds.X, unionBounds.Bottom, desiredSize.Width, desiredSize.Height);
if (!OverlapsReservedSpace(reservedSpace, rect2))
yield return rect2;
}
var rect3 = GetPosition(screenRect, desiredSize, spanBounds, unionBounds, style);
if (!OverlapsReservedSpace(reservedSpace, rect3))
yield return rect3;
}
IEnumerable<Rect> GetValidPositions(Rect screenRect, Geometry reservedSpace, Size desiredSize, Rect spanBounds, VSTA.PopupStyles style) {
var possiblePositions = new List<Rect>();
possiblePositions.AddRange(GetPositions(screenRect, reservedSpace, desiredSize, spanBounds, style));
possiblePositions.AddRange(GetPositions(screenRect, reservedSpace, desiredSize, spanBounds, style ^ VSTA.PopupStyles.PreferLeftOrTopPosition));
bool isLeftRight = (style & VSTA.PopupStyles.PositionLeftOrRight) != 0;
foreach (var pos in possiblePositions) {
if (isLeftRight) {
if (pos.Left >= screenRect.Left && pos.Right <= screenRect.Right)
yield return pos;
}
else {
if (pos.Top >= screenRect.Top && pos.Bottom <= screenRect.Bottom)
yield return pos;
}
}
}
Rect GetClosest(Rect spanBounds, Rect? rect, Rect candidate, VSTA.PopupStyles style) {
if (rect == null)
return candidate;
double rectDist, candidateDist;
if ((style & VSTA.PopupStyles.PositionLeftOrRight) != 0) {
rectDist = GetHorizontalDistance(spanBounds, rect.Value);
candidateDist = GetHorizontalDistance(spanBounds, candidate);
}
else {
rectDist = GetVerticalDistance(spanBounds, rect.Value);
candidateDist = GetVerticalDistance(spanBounds, candidate);
}
return rectDist <= candidateDist ? rect.Value : candidate;
}
