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//=========================================================
// MusE
// Linux Music Editor
// steprec.cpp
// (C) Copyright 2011 Florian Jung (flo93@users.sourceforge.net)
//=========================================================
#include "steprec.h"
#include "part.h"
#include "event.h"
#include "globals.h"
#include "song.h"
#include "audio.h"
#include <set>
#define CHORD_TIMEOUT 75
StepRec::StepRec(bool* note_held_down_array)
{
note_held_down=note_held_down_array;
chord_timer=new QTimer(this);
chord_timer->setSingleShot(true);
chord_timer->setInterval(CHORD_TIMEOUT);
chord_timer->stop();
connect(chord_timer, SIGNAL(timeout()), SLOT(timeout()));
}
void StepRec::timeout()
{
if (chord_timer_set_to_tick != song->cpos())
{
Pos p(chord_timer_set_to_tick, true);
song->setPos(0, p, true, false, true);
}
}
void StepRec::record(Part* part, int pitch, int len, int step, int velo, bool ctrl, bool shift)
{
unsigned tick = song->cpos();
if (pitch!=rcSteprecNote) {
chord_timer->stop();
//
// extend len of last note?
//
EventList* events = part->events();
if (ctrl) {
for (iEvent i = events->begin(); i != events->end(); ++i) {
Event ev = i->second;
if (!ev.isNote())
continue;
if (ev.pitch() == pitch && ((ev.tick() + ev.lenTick()) == tick)) {
Event e = ev.clone();
e.setLenTick(ev.lenTick() + len);
// Indicate do undo, and do not do port controller values and clone parts.
audio->msgChangeEvent(ev, e, part, true, false, false);
if (!shift) {
chord_timer_set_to_tick = tick + step;
chord_timer->start();
}
return;
}
}
}
//
// if we already entered the note, delete it
//
EventRange range = events->equal_range(tick);
for (iEvent i = range.first; i != range.second; ++i) {
Event ev = i->second;
if (ev.isNote() && ev.pitch() == pitch) {
// Indicate do undo, and do not do port controller values and clone parts.
//audio->msgDeleteEvent(ev, part);
audio->msgDeleteEvent(ev, part, true, false, false);
if (!shift) {
chord_timer_set_to_tick = tick + step;
chord_timer->start();
}
return;
}
}
Event e(Note);
e.setTick(tick - part->tick());
e.setPitch(pitch);
e.setVelo(velo);
e.setLenTick(len);
// Indicate do undo, and do not do port controller values and clone parts.
//audio->msgAddEvent(e, part);
audio->msgAddEvent(e, part, true, false, false);
if (! (globalKeyState & Qt::ShiftModifier)) {
chord_timer_set_to_tick = tick + step;
chord_timer->start();
}
}
else { // equals if (pitch==rcSteprecNote)
bool held_notes=false;
if (note_held_down!=NULL)
{
for (int i=0;i<128;i++)
if (note_held_down[i]) { held_notes=true; break; }
}
else
held_notes=false;
if (held_notes)
{
chord_timer->stop();
// extend len of last note(s)
using std::set;
set<Event*> extend_set;
EventList* events = part->events();
for (iEvent i = events->begin(); i != events->end(); ++i) {
Event& ev = i->second;
if (!ev.isNote())
continue;
if (note_held_down[ev.pitch()] && ((ev.tick() + ev.lenTick()) == tick))
extend_set.insert(&ev);
}
for (set<Event*>::iterator it=extend_set.begin(); it!=extend_set.end(); it++)
{
Event& ev=**it;
Event e = ev.clone();
e.setLenTick(ev.lenTick() + len);
// Indicate do undo, and do not do port controller values and clone parts.
audio->msgChangeEvent(ev, e, part, true, false, false);
}
if (!shift) {
chord_timer_set_to_tick = tick + step;
chord_timer->start();
}
return;
}
else // equals if (!held_notes)
{
chord_timer->stop();
//simply proceed, inserting a rest
Pos p(song->cpos() + step, true);
song->setPos(0, p, true, false, true);
}
}
}
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