source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
*/
#include "bar-grav.hh"
#include "bar.hh"
+#include "musical-request.hh"
+#include "multi-measure-rest.hh"
#include "command-request.hh"
#include "time-description.hh"
#include "engraver-group.hh"
Bar_engraver::Bar_engraver()
{
- do_post_move_processing();
+ bar_p_ =0;
+ do_post_move_processing();
}
bool
-Bar_engraver::do_try_request(Request*r_l)
+Bar_engraver::do_try_request (Request*r_l)
{
- Command_req* c_l = r_l->command();
- if (!c_l|| !c_l->bar())
- return false;
- Bar_req * b= c_l->bar();
- if (bar_req_l_ && bar_req_l_->compare(*b))
- return false;
-
- bar_req_l_ = b;
-
- return true;
+ Command_req* c_l = r_l->command();
+ if (!c_l|| !c_l->bar())
+ return false;
+ Bar_req * b= c_l->bar();
+ if (bar_req_l_ && bar_req_l_->equal_b (b))
+ return false;
+
+ bar_req_l_ = b;
+
+ return true;
}
void
-Bar_engraver::do_process_requests()
+Bar_engraver::create_bar ()
{
- if (bar_req_l_ ) {
- bar_p_ = new Bar;
- bar_p_->type_str_=bar_req_l_->type_str_;
- } else if (!get_staff_info().time_C_->whole_in_measure_) {
- bar_p_ = new Bar;
+ if (!bar_p_)
+ {
+ bar_p_ = new Bar;
+ bar_p_->break_priority_i_ = 0;
+ announce_element (Score_elem_info (bar_p_, bar_req_l_));
}
-
- if (bar_p_){
- announce_element(Score_elem_info(bar_p_, bar_req_l_) );
- } else {
- Disallow_break_req r;
- daddy_grav_l_->try_request(&r);
+}
+
+
+void
+Bar_engraver::do_creation_processing ()
+{
+ create_bar ();
+ bar_p_->type_str_ = "";
+}
+
+void
+Bar_engraver::do_removal_processing ()
+{
+ if (bar_p_)
+ {
+ typeset_element (bar_p_);
+ bar_p_ =0;
+ }
+}
+
+void
+Bar_engraver::do_process_requests()
+{
+ if (bar_req_l_)
+ {
+ if (!bar_p_)
+ create_bar ();
+
+ bar_p_->type_str_ = bar_req_l_->type_str_;
+ }
+ else
+ {
+ Time_description const *time = get_staff_info().time_C_;
+ if (time && !time->whole_in_measure_)
+ create_bar ();
+ }
+
+ if (!bar_p_)
+ {
+ Break_req r;
+ r.penalty_i_ = Break_req::DISALLOW;
+ daddy_grav_l ()->try_request (&r);
}
}
void
Bar_engraver::do_pre_move_processing()
{
- if (bar_p_) {
- typeset_breakable_item(bar_p_);
- bar_p_ =0;
- }
+ if (bar_p_)
+ {
+ typeset_element (bar_p_);
+ bar_p_ =0;
+ }
}
void
Bar_engraver::do_post_move_processing()
{
- bar_req_l_ = 0;
- bar_p_ =0;
+ bar_req_l_ = 0;
}
-IMPLEMENT_STATIC_NAME(Bar_engraver);
+
IMPLEMENT_IS_TYPE_B1(Bar_engraver,Engraver);
-ADD_THIS_ENGRAVER(Bar_engraver);
+ADD_THIS_TRANSLATOR(Bar_engraver);