2005-05-05  Morten Welinder  <terra@gnome.org>

        * src/workbook.c (workbook_focus_other_sheet): New function.
        (workbook_sheet_hide_controls, workbook_sheet_delete): Use
        workbook_focus_other_sheet.
        (workbook_sheet_unhide_controls): Do nothing if sheet is already
        shown.
        (workbook_sheet_add): Take a numerical position, not a sheet
        pointer for placement.  All callers changed.
        (workbook_sheet_attach_at_pos): New function extracted from
        workbook_sheet_attach.
        (workbook_sheet_attach): Make this not take a placement parameter.
        All callers changed.
        (workbook_sheet_move): Make static, don't return a value, and make
        3d references.
        (workbook_sheet_state_new, workbook_sheet_state_free,
        workbook_sheet_state_restore, workbook_sheet_state_diff): New
        functions.

        * src/commands.c (cmd_reorganize_sheets2): New function.
        (cmd_rename_sheet): Use cmd_reorganize_sheets2.