void TextEditorMouseHover(object sender, MouseEventArgs e)
{
Debug.Assert(sender == this);
ToolTipRequestEventArgs args = new ToolTipRequestEventArgs(this.Adapter);
var pos = GetPositionFromPoint(e.GetPosition(this));
args.InDocument = pos.HasValue;
if (pos.HasValue)
{
args.LogicalPosition = AvalonEditDocumentAdapter.ToLocation(pos.Value);
}
TextMarkerService textMarkerService = this.Adapter.GetService(typeof(ITextMarkerService)) as TextMarkerService;
if (args.InDocument && textMarkerService != null)
{
var markersAtOffset = textMarkerService.GetMarkersAtOffset(args.Editor.Document.PositionToOffset(args.LogicalPosition.Line, args.LogicalPosition.Column));
ITextMarker markerWithToolTip = markersAtOffset.FirstOrDefault(marker => marker.ToolTip != null);
if (markerWithToolTip != null)
{
args.SetToolTip(markerWithToolTip.ToolTip);
}
}
if (!args.Handled)
{
// if request wasn't handled by a marker, pass it to the ToolTipRequestService
ToolTipRequestService.RequestToolTip(args);
}
if (args.ContentToShow != null)
{
var contentToShowITooltip = args.ContentToShow as ITooltip;
if (contentToShowITooltip != null && contentToShowITooltip.ShowAsPopup)
{
if (!(args.ContentToShow is UIElement))
{
throw new NotSupportedException("Content to show in Popup must be UIElement: " + args.ContentToShow);
}
if (popup == null)
{
popup = CreatePopup();
}
if (TryCloseExistingPopup(false))
{
// when popup content decides to close, close the popup
contentToShowITooltip.Closed += (closedSender, closedArgs) => { popup.IsOpen = false; };
popup.Child = (UIElement)args.ContentToShow;
//ICSharpCode.SharpDevelop.Debugging.DebuggerService.CurrentDebugger.IsProcessRunningChanged
SetPopupPosition(popup, e);
popup.IsOpen = true;
}
e.Handled = true;
}
else
{
if (toolTip == null)
{
toolTip = new ToolTip();
toolTip.Closed += ToolTipClosed;
}
toolTip.PlacementTarget = this; // required for property inheritance
if (args.ContentToShow is string)
{
toolTip.Content = new TextBlock
{
Text = args.ContentToShow as string,
TextWrapping = TextWrapping.Wrap
};
}
else
{
toolTip.Content = args.ContentToShow;
}
toolTip.IsOpen = true;
e.Handled = true;
}
}
else
{
// close popup if mouse hovered over empty area
if (popup != null)
{
e.Handled = true;
}
TryCloseExistingPopup(false);
}
}
