X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspan-bar-engraver.cc;h=a3d1fc4887b4cee567150b5d9410c97dbb0dabd7;hb=26380ed75fbd7b32781715c043dfa5dd96dfbe4a;hp=02c5ab0f13fc9bac7581be0443028528737cc362;hpb=3130370f1e21481c80abc3e67fb33b3b505cb241;p=lilypond.git diff --git a/lily/span-bar-engraver.cc b/lily/span-bar-engraver.cc index 02c5ab0f13..a3d1fc4887 100644 --- a/lily/span-bar-engraver.cc +++ b/lily/span-bar-engraver.cc @@ -1,98 +1,82 @@ /* - span-bar-grav.cc -- implement Span_bar_engraver + span-bar-engraver.cc -- implement Span_bar_engraver source file of the GNU LilyPond music typesetter - (c) 1997--2002 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ - -#include "lily-guile.hh" #include "bar-line.hh" #include "item.hh" #include "span-bar.hh" #include "engraver.hh" +/** -/** - - Make bars that span multiple "staves". Catch bars, and span a - Span_bar over them if we find more than 2 bars. Vertical alignment - of staves changes the appearance of spanbars. It is up to the - aligner (Vertical_align_engraver, in this case, to add extra - dependencies to the spanbars. - - */ +Make bars that span multiple "staves". Catch bars, and span a +Span_bar over them if we find more than 2 bars. Vertical alignment +of staves changes the appearance of spanbars. It is up to the +aligner (Vertical_align_engraver, in this case, to add extra +dependencies to the spanbars. +*/ class Span_bar_engraver : public Engraver { - Item * spanbar_p_; - Link_array bar_l_arr_; + Item *spanbar_; + Link_array bars_; public: - TRANSLATOR_DECLARATIONS(Span_bar_engraver); + TRANSLATOR_DECLARATIONS (Span_bar_engraver); protected: virtual void acknowledge_grob (Grob_info); virtual void stop_translation_timestep (); - }; - Span_bar_engraver::Span_bar_engraver () { - spanbar_p_ =0; + spanbar_ = 0; } - - void Span_bar_engraver::acknowledge_grob (Grob_info i) { - int depth = i.origin_trans_l_arr (this).size (); - if (depth > 1 - && Bar_line::has_interface (i.grob_l_)) + int depth = i.origin_contexts (this).size (); + if (depth && Bar_line::has_interface (i.grob ())) { - Item * it = dynamic_cast (i.grob_l_); - bar_l_arr_.push (it); + Item *it = dynamic_cast (i.grob ()); + bars_.push (it); - if (bar_l_arr_.size () >= 2 && !spanbar_p_) + if (bars_.size () >= 2 && !spanbar_) { - spanbar_p_ = new Item (get_property ("SpanBar")); - Span_bar::set_interface (spanbar_p_); - spanbar_p_->set_parent (bar_l_arr_[0], X_AXIS); + spanbar_ = make_item ("SpanBar", SCM_EOL); - announce_grob (spanbar_p_, SCM_EOL); + spanbar_->set_parent (bars_[0], X_AXIS); } } } + void Span_bar_engraver::stop_translation_timestep () { - if (spanbar_p_) + if (spanbar_) { - for (int i=0; i < bar_l_arr_.size () ; i++) - Span_bar::add_bar (spanbar_p_,bar_l_arr_[i]); + for (int i = 0; i < bars_.size (); i++) + Span_bar::add_bar (spanbar_, bars_[i]); - SCM vissym =ly_symbol2scm ("visibility-lambda"); - SCM vis = bar_l_arr_[0]->internal_get_grob_property (vissym); - if (scm_equal_p (spanbar_p_->internal_get_grob_property (vissym), vis) != SCM_BOOL_T) - spanbar_p_->internal_set_grob_property (vissym, vis); + SCM vissym = ly_symbol2scm ("break-visibility"); + SCM vis = bars_[0]->internal_get_property (vissym); + if (ly_c_equal_p (spanbar_->internal_get_property (vissym), vis)) + spanbar_->internal_set_property (vissym, vis); - typeset_grob (spanbar_p_); - spanbar_p_ =0; + spanbar_ = 0; } - bar_l_arr_.set_size (0); + bars_.set_size (0); } - - - - - - -ENTER_DESCRIPTION(Span_bar_engraver, -/* descr */ "This engraver makes cross-staff barlines: It catches all normal -bar lines, and draws a single span-bar across them.", -/* creats*/ "SpanBar", -/* acks */ "bar-line-interface", -/* reads */ "", -/* write */ ""); +ADD_TRANSLATOR (Span_bar_engraver, + /* descr */ "This engraver makes cross-staff barlines: It catches all normal " + "bar lines, and draws a single span-bar across them.", + /* creats*/ "SpanBar", + /* accepts */ "", + /* acks */ "bar-line-interface", + /* reads */ "", + /* write */ "");