[Octave-bug-tracker] [bug #53537] main_window::focus_changed() routine should be improved

[Dan Sebald]

Follow-up Comment #5, bug #53537 (project octave):

OK, the bug.  Either before or after the previously attached changeset, float
the editor window and close all other docked features.  The main window will
be a gray slate.  Mouse click back and forth between the main window and the
Editor window and notice that the Alt-<shortcut> isn't modified (i.e., the
little underlines of _F_ile, etc.  That is, this code doesn't get executed:


        if (edit_dock_widget == dock)
          emit editor_focus_changed (true);
        else if (edit_dock_widget == m_active_dock)
          emit editor_focus_changed (false);


because when all is closed, clicking on the main window means dock=0 in this
routine.

The logic shouldn't be too difficult to address (maybe check "this" against
w_new or something).  Depends if one feels this is a bug or one of much
importantance.

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