X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmark-engraver.cc;h=a849ec11ce0dddd77f57c586efc0db2c8a68a3f7;hb=f072a75dd79d39a772a46c9e7961f46cd955d874;hp=7281e21f54deaf56135e81aa87a3e10d75a38536;hpb=a501f5946426488804ca2b03ab986f9c2b94ab99;p=lilypond.git diff --git a/lily/mark-engraver.cc b/lily/mark-engraver.cc index 7281e21f54..a849ec11ce 100644 --- a/lily/mark-engraver.cc +++ b/lily/mark-engraver.cc @@ -1,100 +1,122 @@ /* - mark-engraver.cc -- implement Mark_engraver + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1998--2015 Jan Nieuwenhuizen - (c) 1998--2004 Jan Nieuwenhuizen + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ -#include +#include +using namespace std; -#include "bar-line.hh" -#include "context.hh" -#include "engraver-group-engraver.hh" #include "engraver.hh" + +#include "axis-group-interface.hh" +#include "context.hh" +#include "grob-array.hh" +#include "international.hh" #include "item.hh" +#include "stream-event.hh" +#include "text-interface.hh" #include "warn.hh" -#include "text-item.hh" + +#include "translator.icc" /** - put stuff over or next to bars. Examples: bar numbers, marginal notes, - rehearsal marks. - */ + put stuff over or next to bars. Examples: bar numbers, marginal notes, + rehearsal marks. +*/ class Mark_engraver : public Engraver { -public: - TRANSLATOR_DECLARATIONS (Mark_engraver); -protected: - Item *text_; -protected: - virtual void stop_translation_timestep (); - virtual void acknowledge_grob (Grob_info); - void create_items (Music*); - virtual bool try_music (Music *ev); - virtual void process_music (); - -private: - Music * mark_ev_; -}; + void create_items (Stream_event *); + Item *text_; + Item *final_text_; + Stream_event *mark_ev_; +public: + TRANSLATOR_DECLARATIONS (Mark_engraver); +protected: + void process_music (); + void start_translation_timestep (); + void stop_translation_timestep (); + virtual void finalize (); + void listen_mark (Stream_event *); + void acknowledge_break_alignment (Grob_info); +}; Mark_engraver::Mark_engraver () { - text_ =0; + text_ = 0; + final_text_ = 0; mark_ev_ = 0; } void -Mark_engraver::acknowledge_grob (Grob_info inf) +Mark_engraver::acknowledge_break_alignment (Grob_info inf) { - Grob * s = inf.grob_; - if (text_ && Bar_line::has_interface (s)) - { - /* - TODO: make this configurable. RehearsalMark cannot be - break-aligned, since the width of the object should not be taken - into alignment considerations. - */ - text_->set_parent (s, X_AXIS); - } + Grob *s = inf.grob (); + if (text_ + && dynamic_cast (s)) + text_->set_parent (s, X_AXIS); +} + +void +Mark_engraver::start_translation_timestep () +{ + final_text_ = 0; } -void +void Mark_engraver::stop_translation_timestep () { if (text_) { - SCM lst = get_property ("stavesFound"); - text_->set_property ("side-support-elements" , lst); - typeset_grob (text_); - text_ =0; + text_->set_object ("side-support-elements", + grob_list_to_grob_array (get_property ("stavesFound"))); + final_text_ = text_; + text_ = 0; } mark_ev_ = 0; } +void +Mark_engraver::finalize () +{ + if (final_text_) + final_text_->set_property ("break-visibility", + scm_c_make_vector (3, SCM_BOOL_T)); + final_text_ = 0; +} void -Mark_engraver::create_items (Music *ev) +Mark_engraver::create_items (Stream_event *ev) { if (text_) return; - text_ = make_item ("RehearsalMark"); - announce_grob (text_, ev->self_scm ()); + text_ = make_item ("RehearsalMark", ev->self_scm ()); } - -bool -Mark_engraver::try_music (Music* r) +void +Mark_engraver::listen_mark (Stream_event *ev) { - mark_ev_ = r; - return true; + ASSIGN_EVENT_ONCE (mark_ev_, ev); } - /* TODO: make the increment function in Scheme. */ @@ -106,50 +128,58 @@ Mark_engraver::process_music () create_items (mark_ev_); /* - automatic marks. - */ + automatic marks. + */ - SCM m = mark_ev_->get_property ("label"); SCM proc = get_property ("markFormatter"); - if (!Text_item::markup_p (m) && - is_procedure (proc)) - { - if (!is_number (m)) - m = get_property ("rehearsalMark"); - - if (scm_integer_p (m) == SCM_BOOL_T - && scm_exact_p (m) == SCM_BOOL_T) - { - int mark_count = ly_scm2int (m); - mark_count ++; - get_parent_context ()->set_property ("rehearsalMark", - scm_int2num (mark_count)); - } - - if (is_number (m)) - m = scm_call_2 (proc, m, get_parent_context ()->self_scm ()); - else - warning ("rehearsalMark does not have integer value."); - } - - if (Text_item::markup_p (m)) - text_->set_property ("text", m); + if (!Text_interface::is_markup (m) + && ly_is_procedure (proc)) + { + if (!scm_is_number (m)) + m = get_property ("rehearsalMark"); + + if (scm_is_number (m)) + { + context ()->set_property ("rehearsalMark", scm_oneplus (m)); + m = scm_call_2 (proc, m, context ()->self_scm ()); + } + else + /* FIXME: constant error message. */ + warning (_ ("rehearsalMark must have integer value")); + } + + if (Text_interface::is_markup (m)) + text_->set_property ("text", m); else - warning ("Mark label should be markup object."); + warning (_ ("mark label must be a markup object")); } } -ENTER_DESCRIPTION (Mark_engraver, -/* descr */ "This engraver will create RehearsalMark objects. " - "It puts them on top of all staves (which is taken from " - "the property @code{stavesFound}). If moving this engraver " - "to a different context, " - "@ref{Staff_collecting_engraver} must move along, otherwise all marks" - "end up on the same Y-location" - , -/* creats*/ "RehearsalMark", -/* accepts */ "mark-event", -/* acks */ "bar-line-interface", -/* reads */ "rehearsalMark markFormatter stavesFound", -/* write */ ""); + +void +Mark_engraver::boot () +{ + ADD_LISTENER (Mark_engraver, mark); + ADD_ACKNOWLEDGER (Mark_engraver, break_alignment); +} + +ADD_TRANSLATOR (Mark_engraver, + /* doc */ + "Create @code{RehearsalMark} objects. It puts them on top of" + " all staves (which is taken from the property" + " @code{stavesFound}). If moving this engraver to a different" + " context, @ref{Staff_collecting_engraver} must move along," + " otherwise all marks end up on the same Y@tie{}location.", + + /* create */ + "RehearsalMark ", + + /* read */ + "markFormatter " + "rehearsalMark " + "stavesFound ", + + /* write */ + "" + );