X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Faxis-group-engraver.cc;h=adc0dae661b92979156be727c5fc14c6a80a6ad5;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=ee07b86f456bdbeb236083e5903e516da77917a4;hpb=b1323f33e9aa4b9eea05eefb8755c907d4d762d4;p=lilypond.git diff --git a/lily/axis-group-engraver.cc b/lily/axis-group-engraver.cc index ee07b86f45..adc0dae661 100644 --- a/lily/axis-group-engraver.cc +++ b/lily/axis-group-engraver.cc @@ -1,100 +1,132 @@ -/* - axis-group-engraver.cc -- implement Axis_group_engraver - - source file of the GNU LilyPond music typesetter - - (c) 1999--2004 Han-Wen Nienhuys - */ +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1999--2015 Han-Wen Nienhuys + + 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 "spanner.hh" -#include "paper-column.hh" -#include "axis-group-interface.hh" #include "engraver.hh" -#include "engraver-group-engraver.hh" -#include "warn.hh" + +#include "axis-group-interface.hh" +#include "hara-kiri-group-spanner.hh" +#include "pointer-group-interface.hh" #include "context.hh" +#include "international.hh" +#include "spanner.hh" +#include "warn.hh" + +#include "translator.icc" /** Put stuff in a Spanner with an Axis_group_interface. - Use as last element of a context. - */ + Use as last element of a context. +*/ class Axis_group_engraver : public Engraver { protected: + bool active_; Spanner *staffline_; - Link_array elts_; - virtual void process_music (); + SCM interesting_; + vector elts_; + void process_music (); + virtual void initialize (); virtual void finalize (); - virtual void acknowledge_grob (Grob_info); - virtual void process_acknowledged_grobs (); - virtual Spanner* get_spanner () ; - virtual void add_element (Grob*) ; -public: - TRANSLATOR_DECLARATIONS(Axis_group_engraver); + DECLARE_ACKNOWLEDGER (grob); + void process_acknowledged (); + virtual Spanner *get_spanner (); + virtual void add_element (Grob *); + virtual bool must_be_last () const; + virtual void derived_mark () const; + +public: + TRANSLATOR_DECLARATIONS (Axis_group_engraver); }; + Axis_group_engraver::Axis_group_engraver () { staffline_ = 0; + interesting_ = SCM_EOL; + active_ = false; } void -Axis_group_engraver::process_music () +Axis_group_engraver::initialize () { - if (!staffline_) - { - staffline_ = get_spanner (); + active_ = !to_boolean (get_property ("hasAxisGroup")); + if (active_) + context ()->set_property ("hasAxisGroup", SCM_BOOL_T); +} - Grob * it = unsmob_grob (get_property ("currentCommandColumn")); +void +Axis_group_engraver::derived_mark () const +{ + scm_gc_mark (interesting_); +} - staffline_->set_bound (LEFT,it); - announce_grob(staffline_, SCM_EOL); - } -} +bool +Axis_group_engraver::must_be_last () const +{ + return true; +} -Spanner* -Axis_group_engraver::get_spanner () +void +Axis_group_engraver::process_music () { - return make_spanner ("VerticalAxisGroup"); + if (!staffline_ && active_) + { + staffline_ = get_spanner (); + Grob *it = Grob::unsmob (get_property ("currentCommandColumn")); + staffline_->set_bound (LEFT, it); + } + interesting_ = get_property ("keepAliveInterfaces"); } -/* - TODO: should we junk minimumVerticalExtent/extraVerticalExtent ? - */ +Spanner * +Axis_group_engraver::get_spanner () +{ + return make_spanner ("VerticalAxisGroup", SCM_EOL); +} void Axis_group_engraver::finalize () { - if (!staffline_) - return ; - - String type = daddy_context_->context_name (); - SCM dims = get_property ("verticalExtent"); - - if (is_number_pair (dims)) - staffline_->set_extent (dims, Y_AXIS); - - dims = get_property ("minimumVerticalExtent"); - if (is_number_pair (dims) ) - staffline_->set_property ("minimum-Y-extent", dims); - - dims = get_property ("extraVerticalExtent"); - if (is_number_pair (dims)) - staffline_->set_property ("extra-Y-extent", dims); - - Grob * it = unsmob_grob (get_property ("currentCommandColumn")); - - staffline_->set_bound (RIGHT,it); + if (staffline_) + { + Grob *it = Grob::unsmob (get_property ("currentCommandColumn")); + staffline_->set_bound (RIGHT, it); - typeset_grob (staffline_); - staffline_ = 0; + Pointer_group_interface::set_ordered (staffline_, ly_symbol2scm ("elements"), false); + } } void Axis_group_engraver::acknowledge_grob (Grob_info i) { - elts_.push (i.grob_); + if (staffline_) + elts_.push_back (i.grob ()); + + if (staffline_ && to_boolean(staffline_->get_property("remove-empty"))) + { + for (SCM s = interesting_; scm_is_pair (s); s = scm_cdr (s)) + { + if (i.grob ()->internal_has_interface (scm_car (s))) + Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob ()); + } + } } /* @@ -102,102 +134,52 @@ Axis_group_engraver::acknowledge_grob (Grob_info i) cyclic parent relationship if we have two Axis_group_engravers in the context. */ void -Axis_group_engraver::process_acknowledged_grobs () +Axis_group_engraver::process_acknowledged () { - /* UGH UGH UGH */ - for (int i=0; i < elts_.size (); i++) + if (!staffline_) + return; + + for (vsize i = 0; i < elts_.size (); i++) { - Grob *par = elts_[i]->get_parent (Y_AXIS); - - if (!par || !Axis_group_interface::has_interface (par)) - if (elts_[i]->is_empty (Y_AXIS)) - { - /* - We have to do _something_, otherwise staff objects will - end up with System as parent. - - */ - elts_[i]->set_parent (staffline_, Y_AXIS); - } - else - add_element (elts_[i]); + if (!Grob::is_smob (elts_[i]->get_object ("axis-group-parent-Y"))) + { + if (staffline_->get_parent (Y_AXIS) + && staffline_->get_parent (Y_AXIS) == elts_[i]) + { + staffline_->warning (_ ("Axis_group_engraver: vertical group already has a parent")); + staffline_->warning (_ ("are there two Axis_group_engravers?")); + staffline_->warning (_ ("removing this vertical group")); + staffline_->suicide (); + staffline_ = 0; + break; + } + add_element (elts_[i]); + } } elts_.clear (); } void -Axis_group_engraver::add_element (Grob*e) +Axis_group_engraver::add_element (Grob *e) { Axis_group_interface::add_element (staffline_, e); } -/****************************************************************/ - -/* - - maybenot such a good idea after all., to put class declarations in - .cc - -*/ - -#include "hara-kiri-group-spanner.hh" -#include "rhythmic-head.hh" - -class Hara_kiri_engraver : public Axis_group_engraver -{ -protected: - virtual Spanner*get_spanner (); - virtual void acknowledge_grob (Grob_info); - virtual void add_element (Grob *e); -public: - TRANSLATOR_DECLARATIONS(Hara_kiri_engraver); -}; - -void -Hara_kiri_engraver::add_element (Grob*e) -{ - Hara_kiri_group_spanner::add_element (staffline_, e); -} - +ADD_ACKNOWLEDGER (Axis_group_engraver, grob); -Spanner* -Hara_kiri_engraver::get_spanner () -{ - Spanner * sp = make_spanner ("RemoveEmptyVerticalGroup"); - - return sp; -} +ADD_TRANSLATOR (Axis_group_engraver, + /* doc */ + "Group all objects created in this context in a" + " @code{VerticalAxisGroup} spanner.", -void -Hara_kiri_engraver::acknowledge_grob (Grob_info i) -{ - Axis_group_engraver::acknowledge_grob (i); - if (i.grob_->internal_has_interface (ly_symbol2scm ("rhythmic-grob-interface")) - || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-interface")) - ) - { - Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_); - } -} - - -Hara_kiri_engraver::Hara_kiri_engraver() -{ -} + /* create */ + "VerticalAxisGroup ", -ENTER_DESCRIPTION(Hara_kiri_engraver, -/* descr */ "Like Axis_group_engraver, but make a hara-kiri spanner, and add " -"interesting items (ie. note heads, lyric syllables and normal rests) ", -/* creats*/ "RemoveEmptyVerticalGroup", -/* accepts */ "", -/* acks */ "grob-interface", -/* reads */ "", -/* write */ ""); - -ENTER_DESCRIPTION(Axis_group_engraver, -/* descr */ "Group all objects created in this context in a VerticalAxisGroup spanner.", -/* creats*/ "VerticalAxisGroup", -/* accepts */ "", -/* acks */ "grob-interface", -/* reads */ "verticalExtent minimumVerticalExtent extraVerticalExtent", -/* write */ ""); + /* read */ + "currentCommandColumn " + "keepAliveInterfaces " + "hasAxisGroup ", + + /* write */ + "hasAxisGroup " + );