2 extender-engraver.cc -- implement Extender_engraver
4 (c) 1999 Glen Prideaux <glenprideaux@iname.com>,
5 Han-Wen Nienhuys, Jan Nieuwenhuizen.
10 #include "musical-request.hh"
11 #include "extender-engraver.hh"
12 #include "extender-spanner.hh"
13 #include "paper-column.hh"
14 #include "text-item.hh"
15 #include "extender-engraver.hh"
17 ADD_THIS_TRANSLATOR (Extender_engraver
);
19 Extender_engraver::Extender_engraver ()
23 extender_spanner_p_
= 0;
28 Extender_engraver::acknowledge_element (Score_element_info i
)
30 if (Text_item
* t
= dynamic_cast<Text_item
*> (i
.elem_l_
))
33 if (extender_spanner_p_
34 && !extender_spanner_p_
->spanned_drul_
[RIGHT
]
37 extender_spanner_p_
->set_textitem (RIGHT
, t
);
44 Extender_engraver::do_try_music (Music
* r
)
46 if (Extender_req
* p
= dynamic_cast <Extender_req
*> (r
))
58 Extender_engraver::do_removal_processing ()
60 if (extender_spanner_p_
)
62 req_l_
->warning (_ ("unterminated extender"));
63 extender_spanner_p_
->set_bounds(RIGHT
, get_staff_info ().command_pcol_l ());
68 Extender_engraver::do_process_requests ()
74 req_l_
->warning (_ ("Nothing to connect extender to on the left. Ignoring extender request."));
78 extender_spanner_p_
= new Extender_spanner
;
79 extender_spanner_p_
->set_textitem (LEFT
, last_lyric_l_
);
80 announce_element (Score_element_info (extender_spanner_p_
, req_l_
));
86 Extender_engraver::do_pre_move_processing ()
88 if (extender_spanner_p_
)
90 typeset_element (extender_spanner_p_
);
91 extender_spanner_p_
= 0;
96 last_lyric_l_
= current_lyric_l_
;
102 Extender_engraver::do_post_move_processing ()