on mode change

clusterview/opengl_widget.py

@@ -323,6 +323,13 @@ def highlight_selection():
             #       works, you need an algorithm for storing points selected,
             #       painting them permanently, and then moving them as the
             #       mouse drags.
+            #
+            #
+            # TODO: This movement idea will be in the after mouse release thing
+            #       the points hit will stay permanently highlighted until the
+            #       next mouse click. First mouse click will call
+            #       "remove_selection" to terminate movement. "remove_selection"
+            #       will also be called on mode change.
             glVertex3f(__clamp_x(point.x),
                        __clamp_y(point.y),
                        0.0)