small refactoring of FbTk/Menu code

* removed useless struct _menu
* code deduplication via renderMenuPixmap()
* improved documentation:
   - 'sublevel' actually means 'column'
   - 'persub' means 'row_per_column'

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Screen.cc b/src/Screen.cc
index 9bf9711..1f53edc 100644
--- a/src/Screen.cc
+++ b/src/Screen.cc
@@ -1647,7 +1647,7 @@ void BScreen::setupConfigmenu(FbTk::Menu &menu) {
         { _FB_XTEXT(Align, BottomRight, "Bottom Right", "Bottom Right"), FbWinFrame::BOTTOMRIGHT}
     };
 
-    tabplacement_menu->setMinimumSublevels(3);
+    tabplacement_menu->setMinimumColumns(3);
     // create items in sub menu
     for (size_t i=0; i< sizeof(place_menu)/sizeof(PlacementP); ++i) {
         const PlacementP& p = place_menu[i];