added wxGetTopLevelParent()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15217 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-04-20 13:51:28 +00:00
parent 6703082ef0
commit 33b494d643
3 changed files with 27 additions and 2 deletions
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -1795,4 +1795,15 @@ void wxWindowBase::ReleaseMouse()
               GetCapture());
 }

-// vi:sts=4:sw=4:et
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+    while ( win && !win->IsTopLevel() )
+         win = win->GetParent();
+
+    return win;
+}
+