static CaretLocation GetCaretLocation(DTE2 application)
{
// dark magic goes here
IVsUIHierarchy uiHierarchy;
uint itemID;
IVsWindowFrame windowFrame;
if (!VsShellUtilities.IsDocumentOpen(ServiceCache.ServiceProvider, application.ActiveDocument.FullName, Guid.Empty,
out uiHierarchy, out itemID, out windowFrame))
{
return(null);
}
IVsTextView vsTextView = Microsoft.VisualStudio.Shell.VsShellUtilities.GetTextView(windowFrame);
IVsUserData userData = vsTextView as IVsUserData;
if (userData == null)
{
return(null);
}
object holder;
Guid guidViewHost = DefGuidList.guidIWpfTextViewHost;
userData.GetData(ref guidViewHost, out holder);
IWpfTextViewHost viewHost = holder as IWpfTextViewHost;
if (viewHost == null)
{
return(null);
}
IWpfTextView wpfTextView = viewHost.TextView;
System.Windows.UIElement uiElement = wpfTextView as System.Windows.UIElement;
if (uiElement == null)
{
return(null);
}
var caretPos = wpfTextView.Caret.Position.BufferPosition;
var bounds = wpfTextView.GetTextViewLineContainingBufferPosition(caretPos).GetCharacterBounds(caretPos);
double zoomMultiplier = wpfTextView.ZoomLevel / 100.0;
double left = (bounds.Left - wpfTextView.ViewportLeft) * zoomMultiplier;
double top = (bounds.Top - wpfTextView.ViewportTop) * zoomMultiplier;
double bottom = (bounds.Bottom - wpfTextView.ViewportTop) * zoomMultiplier;
System.Windows.Point topPoint = new System.Windows.Point(left, top);
System.Windows.Point bottomPoint = new System.Windows.Point(left, bottom);
topPoint = uiElement.PointToScreen(topPoint);
bottomPoint = uiElement.PointToScreen(bottomPoint);
return(new CaretLocation(
Convert.ToInt32(topPoint.X),
Convert.ToInt32(topPoint.Y),
Convert.ToInt32(bottomPoint.Y)
));
}
//location func
public static System.Windows.Point ElementPointToScreenPoint(System.Windows.UIElement element, System.Windows.Point pointoscreen)
{
return(element.PointToScreen(pointoscreen));
}