private void MenuItemCallback(object sender, EventArgs e, bool visitor)
{
try
{
////////////////////////
/// Go to visitor.
////////////////////////
IVsTextManager manager = ((IServiceProvider)ServiceProvider).GetService(typeof(VsTextManagerClass)) as IVsTextManager;
if (manager == null)
{
return;
}
manager.GetActiveView(1, null, out IVsTextView view);
if (view == null)
{
return;
}
view.GetCaretPos(out int l, out int c);
view.GetBuffer(out IVsTextLines buf);
if (buf == null)
{
return;
}
IWpfTextView xxx = AntlrLanguageClient.AdaptersFactory.GetWpfTextView(view);
ITextBuffer buffer = xxx.TextBuffer;
string orig_ffn = buffer.GetFFN().Result;
if (orig_ffn == null)
{
return;
}
Workspaces.Document document = Workspaces.Workspace.Instance.FindDocument(orig_ffn);
if (document == null)
{
return;
}
int pos = LanguageServer.Module.GetIndex(l, c, document);
AntlrLanguageClient alc = AntlrLanguageClient.Instance;
if (alc == null)
{
return;
}
CMGotoResult symbol = null;
if (visitor)
{
symbol = alc.CMGotoVisitorSendServer(orig_ffn, pos);
}
else
{
var is_enter = CtrlKeyState.GetStateForView(xxx).Enabled;
symbol = alc.CMGotoListenerSendServer(orig_ffn, is_enter, pos);
}
if (symbol == null)
{
return;
}
{
string class_file_path = symbol.TextDocument.LocalPath;
int index = symbol.Start;
// Open to this line in editor.
IVsTextView vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
{
IVsTextViewExtensions.ShowFrame(ServiceProvider, class_file_path);
vstv = IVsTextViewExtensions.FindTextViewFor(class_file_path);
}
IWpfTextView wpftv = AntlrLanguageClient.AdaptersFactory.GetWpfTextView(vstv);
if (wpftv == null)
{
return;
}
// Create new span in the appropriate view.
ITextSnapshot cc = wpftv.TextBuffer.CurrentSnapshot;
vstv.GetLineAndColumn(index, out int line_number, out int colum_number);
// Put cursor on symbol.
wpftv.Caret.MoveTo(new SnapshotPoint(cc, index)); // This sets cursor, bot does not center.
// Center on cursor.
//wpftv.Caret.EnsureVisible(); // This works, sort of. It moves the scroll bar, but it does not CENTER! Does not really work!
if (line_number > 0)
{
vstv.CenterLines(line_number - 1, 2);
}
else
{
vstv.CenterLines(line_number, 1);
}
return;
}
}
catch (Exception exception)
{
Logger.Log.Notify(exception.StackTrace);
}
}