MuseScore/libmscore/input.cpp
2013-10-31 08:12:53 +01:00

186 lines
5.5 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2011 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENSE.GPL
//=============================================================================
#include "input.h"
#include "segment.h"
#include "part.h"
#include "staff.h"
#include "score.h"
#include "chord.h"
#include "rest.h"
#include "measure.h"
namespace Ms {
class DrumSet;
//---------------------------------------------------------
// drumset
//---------------------------------------------------------
Drumset* InputState::drumset() const
{
if (_segment == 0 || _track == -1)
return 0;
return _segment->score()->staff(_track/VOICES)->part()->instr(_segment->tick())->drumset();
}
//---------------------------------------------------------
// staffGroup
//---------------------------------------------------------
StaffGroup InputState::staffGroup() const
{
if (_segment == 0 || _track == -1)
return STANDARD_STAFF_GROUP;
return _segment->score()->staff(_track/VOICES)->staffType()->group();
}
//---------------------------------------------------------
// tick
//---------------------------------------------------------
int InputState::tick() const
{
return _segment ? _segment->tick() : 0;
}
//---------------------------------------------------------
// cr
//---------------------------------------------------------
ChordRest* InputState::cr() const
{
return _segment ? static_cast<ChordRest*>(_segment->element(_track)) : 0;
}
//---------------------------------------------------------
// update
//---------------------------------------------------------
void InputState::update(Element* e)
{
if (e == 0)
return;
if (e && e->type() == Element::CHORD)
e = static_cast<Chord*>(e)->upNote();
setDrumNote(-1);
if (e->type() == Element::NOTE) {
Note* note = static_cast<Note*>(e);
Chord* chord = note->chord();
setDuration(chord->durationType());
setRest(false);
setTrack(note->track());
setNoteType(note->noteType());
setBeamMode(chord->beamMode());
}
else if (e->type() == Element::REST) {
Rest* rest = static_cast<Rest*>(e);
if (rest->durationType().type() == TDuration::V_MEASURE)
setDuration(TDuration::V_QUARTER);
else
setDuration(rest->durationType());
setRest(true);
setTrack(rest->track());
setBeamMode(rest->beamMode());
setNoteType(NOTE_NORMAL);
}
if (e->type() == Element::NOTE || e->type() == Element::REST) {
const Instrument* instr = e->staff()->part()->instr();
if (instr->useDrumset()) {
if (e->type() == Element::NOTE)
setDrumNote(static_cast<Note*>(e)->pitch());
else
setDrumNote(-1);
}
}
}
//---------------------------------------------------------
// moveInputPos
//---------------------------------------------------------
void InputState::moveInputPos(Element* e)
{
if (e == 0)
return;
Segment* s;
if (e->isChordRest())
s = static_cast<ChordRest*>(e)->segment();
else
s = static_cast<Segment*>(e);
if (s->type() == Element::SEGMENT) {
if (s->measure()->isMMRest()) {
Measure* m = s->measure()->mmRestFirst();
s = m->findSegment(Segment::SegChordRest, m->tick());
}
_lastSegment = _segment;
_segment = s;
}
}
//---------------------------------------------------------
// setSegment
//---------------------------------------------------------
void InputState::setSegment(Segment* s)
{
if (s && s->measure()->isMMRest()) {
Measure* m = s->measure()->mmRestFirst();
s = m->findSegment(Segment::SegChordRest, m->tick());
}
_segment = s;
_lastSegment = s;
}
//---------------------------------------------------------
// nextInputPos
//---------------------------------------------------------
Segment* InputState::nextInputPos() const
{
Measure* m = _segment->measure();
Segment* s = _segment->next1(Segment::SegChordRest);
for (; s; s = s->next1(Segment::SegChordRest)) {
if (s->element(_track) || s->measure() != m)
return s;
}
return 0;
}
//---------------------------------------------------------
// moveToNextInputPos
// TODO: special case: note is first note of tie: goto to last note of tie
//---------------------------------------------------------
void InputState::moveToNextInputPos()
{
Segment* s = nextInputPos();
_lastSegment = _segment;
if (s)
_segment = s;
}
//---------------------------------------------------------
// endOfScore
//---------------------------------------------------------
bool InputState::endOfScore() const
{
return (_lastSegment == _segment) && !nextInputPos();
}
}