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MuseScore/libmscore/spanner.cpp
Dmitri Ovodok c194377dc7 Improve testing infrastructure 
- Improve ability to test mscoreapp in mtest framework
 - Expand testutils
2019-12-04 11:11:58 +02:00

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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2010-2011 Werner Schweer
//
// 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 LICENCE.GPL
//=============================================================================
#include "connector.h"
#include "score.h"
#include "spanner.h"
#include "system.h"
#include "chordrest.h"
#include "chord.h"
#include "segment.h"
#include "measure.h"
#include "undo.h"
#include "staff.h"
#include "lyrics.h"
#include "musescoreCore.h"
namespace Ms {
//-----------------------------------------------------------------------------
// @@ SpannerWriter
/// Helper class for writing Spanners
//-----------------------------------------------------------------------------
class SpannerWriter : public ConnectorInfoWriter {
protected:
const char* tagName() const override { return "Spanner"; }
public:
SpannerWriter(XmlWriter& xml, const Element* current, const Spanner* spanner, int track, Fraction frac, bool start);
static void fillSpannerPosition(Location& l, const MeasureBase* endpoint, const Fraction& tick, bool clipboardmode);
};
//---------------------------------------------------------
// SpannerSegment
//---------------------------------------------------------
SpannerSegment::SpannerSegment(Spanner* sp, Score* s, ElementFlags f)
: Element(s, f)
{
_spanner = sp;
setSpannerSegmentType(SpannerSegmentType::SINGLE);
}
SpannerSegment::SpannerSegment(Score* s, ElementFlags f)
: Element(s, f)
{
setSpannerSegmentType(SpannerSegmentType::SINGLE);
_spanner = 0;
}
SpannerSegment::SpannerSegment(const SpannerSegment& s)
: Element(s)
{
_spanner = s._spanner;
_spannerSegmentType = s._spannerSegmentType;
_p2 = s._p2;
_offset2 = s._offset2;
}
//---------------------------------------------------------
// mag
//---------------------------------------------------------
qreal SpannerSegment::mag() const
{
if (spanner()->systemFlag())
return 1.0;
return staff() ? staff()->mag(spanner()->tick()) : 1.0;
}
Fraction SpannerSegment::tick() const
{
return _spanner ? _spanner->tick() : Fraction(0, 1);
}
//---------------------------------------------------------
// setSystem
//---------------------------------------------------------
void SpannerSegment::setSystem(System* s)
{
if (system() != s) {
if (system())
system()->remove(this);
if (s)
s->add(this);
else
setParent(0);
}
}
//---------------------------------------------------------
// mimeData
//---------------------------------------------------------
QByteArray SpannerSegment::mimeData(const QPointF& dragOffset) const
{
if (dragOffset.isNull()) // where is dragOffset used?
return spanner()->mimeData(dragOffset);
return Element::mimeData(dragOffset);
}
//---------------------------------------------------------
// propertyDelegate
//---------------------------------------------------------
Element* SpannerSegment::propertyDelegate(Pid pid)
{
if (pid == Pid::COLOR || pid == Pid::VISIBLE || pid == Pid::PLACEMENT)
return spanner();
return 0;
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant SpannerSegment::getProperty(Pid pid) const
{
if (Element* e = const_cast<SpannerSegment*>(this)->propertyDelegate(pid))
return e->getProperty(pid);
switch (pid) {
case Pid::OFFSET2:
return _offset2;
default:
return Element::getProperty(pid);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool SpannerSegment::setProperty(Pid pid, const QVariant& v)
{
if (Element* e = propertyDelegate(pid))
return e->setProperty(pid, v);
switch (pid) {
case Pid::OFFSET2:
_offset2 = v.toPointF();
triggerLayoutAll();
break;
default:
return Element::setProperty(pid, v);
}
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant SpannerSegment::propertyDefault(Pid pid) const
{
if (Element* e = const_cast<SpannerSegment*>(this)->propertyDelegate(pid))
return e->propertyDefault(pid);
switch (pid) {
case Pid::OFFSET2:
return QVariant();
default:
return Element::propertyDefault(pid);
}
}
//---------------------------------------------------------
// getPropertyStyle
//---------------------------------------------------------
Sid SpannerSegment::getPropertyStyle(Pid pid) const
{
if (Element* e = const_cast<SpannerSegment*>(this)->propertyDelegate(pid))
return e->getPropertyStyle(pid);
return Element::getPropertyStyle(pid);
}
//---------------------------------------------------------
// propertyFlags
//---------------------------------------------------------
PropertyFlags SpannerSegment::propertyFlags(Pid pid) const
{
if (Element* e = const_cast<SpannerSegment*>(this)->propertyDelegate(pid))
return e->propertyFlags(pid);
return Element::propertyFlags(pid);
}
//---------------------------------------------------------
// resetProperty
//---------------------------------------------------------
void SpannerSegment::resetProperty(Pid pid)
{
if (Element* e = propertyDelegate(pid))
return e->resetProperty(pid);
return Element::resetProperty(pid);
}
//---------------------------------------------------------
// styleChanged
//---------------------------------------------------------
void SpannerSegment::styleChanged()
{
spanner()->styleChanged();
}
//---------------------------------------------------------
// reset
//---------------------------------------------------------
void SpannerSegment::reset()
{
undoChangeProperty(Pid::OFFSET2, QPointF());
Element::reset();
spanner()->reset();
}
//---------------------------------------------------------
// undoChangeProperty
//---------------------------------------------------------
void SpannerSegment::undoChangeProperty(Pid pid, const QVariant& val, PropertyFlags ps)
{
if (pid == Pid::AUTOPLACE && (val.toBool() == true && !autoplace())) {
// Switching autoplacement on. Save user-defined
// placement properties to undo stack.
undoPushProperty(Pid::OFFSET2);
// other will be saved in Element::undoChangeProperty
}
Element::undoChangeProperty(pid, val, ps);
}
//---------------------------------------------------------
// setSelected
//---------------------------------------------------------
void SpannerSegment::setSelected(bool f)
{
for (SpannerSegment* ss : _spanner->spannerSegments())
ss->Element::setSelected(f);
_spanner->setSelected(f);
}
//---------------------------------------------------------
// setVisible
//---------------------------------------------------------
void SpannerSegment::setVisible(bool f)
{
if (_spanner) {
for (SpannerSegment* ss : _spanner->spannerSegments())
ss->Element::setVisible(f);
_spanner->setVisible(f);
}
else
Element::setVisible(f);
}
//---------------------------------------------------------
// setColor
//---------------------------------------------------------
void SpannerSegment::setColor(const QColor& col)
{
if (_spanner) {
for (SpannerSegment* ss : _spanner->spannerSegments())
ss->_color = col;
_spanner->_color = col;
}
else
_color = col;
}
//---------------------------------------------------------
// nextSegmentElement
//---------------------------------------------------------
Element* SpannerSegment::nextSegmentElement()
{
return spanner()->nextSegmentElement();
}
//---------------------------------------------------------
// prevSegmentElement
//---------------------------------------------------------
Element* SpannerSegment::prevSegmentElement()
{
return spanner()->prevSegmentElement();
}
//---------------------------------------------------------
// accessibleInfo
//---------------------------------------------------------
QString SpannerSegment::accessibleInfo() const
{
return spanner()->accessibleInfo();
}
//---------------------------------------------------------
// triggerLayout
//---------------------------------------------------------
void SpannerSegment::triggerLayout() const
{
if (_spanner)
_spanner->triggerLayout();
}
//---------------------------------------------------------
// Spanner
//---------------------------------------------------------
Spanner::Spanner(Score* s, ElementFlags f)
: Element(s, f)
{
}
Spanner::Spanner(const Spanner& s)
: Element(s)
{
_anchor = s._anchor;
_startElement = s._startElement;
_endElement = s._endElement;
_tick = s._tick;
_ticks = s._ticks;
_track2 = s._track2;
}
Spanner::~Spanner()
{
qDeleteAll(segments);
qDeleteAll(unusedSegments);
}
//---------------------------------------------------------
// mag
//---------------------------------------------------------
qreal Spanner::mag() const
{
if (systemFlag())
return 1.0;
return staff() ? staff()->mag(tick()) : 1.0;
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void Spanner::add(Element* e)
{
SpannerSegment* ls = toSpannerSegment(e);
ls->setSpanner(this);
ls->setSelected(selected());
ls->setTrack(track());
// ls->setAutoplace(autoplace());
segments.push_back(ls);
}
//---------------------------------------------------------
// remove
//---------------------------------------------------------
void Spanner::remove(Element* e)
{
SpannerSegment* ss = toSpannerSegment(e);
if (ss->system())
ss->system()->remove(ss);
segments.erase(std::remove(segments.begin(), segments.end(), ss), segments.end());
}
//---------------------------------------------------------
// removeUnmanaged
//
// Remove the Spanner and its segments from objects which may know about them
//
// This method and the following are used for spanners which are contained within compound elements
// which manage their parts themselves without using the standard management supplied by Score;
// Example can be the LyricsLine within a Lyrics element or the FiguredBassLine within a FiguredBass
// (not implemented yet).
//---------------------------------------------------------
void Spanner::removeUnmanaged()
{
for (SpannerSegment* ss : spannerSegments())
if (ss->system()) {
// ss->system()->remove(ss);
ss->setSystem(nullptr);
}
score()->removeUnmanagedSpanner(this);
}
//---------------------------------------------------------
// insertTimeUnmanaged
//---------------------------------------------------------
void Spanner::insertTimeUnmanaged(const Fraction& fromTick, const Fraction& len)
{
Fraction newTick1 = tick();
Fraction newTick2 = tick2();
// check spanner start and end point
if (len > Fraction(0,1)) { // adding time
if (tick() > fromTick) // start after insertion point: shift start to right
newTick1 += len;
if (tick2() > fromTick) // end after insertion point: shift end to right
newTick2 += len;
}
if (len < Fraction(0,1)) { // removing time
Fraction toTick = fromTick - len;
if (tick() > fromTick) { // start after beginning of removed time
if (tick() < toTick) { // start within removed time: bring start at removing point
if (parent()) {
parent()->remove(this);
return;
}
else
newTick1 = fromTick;
}
else // start after removed time: shift start to left
newTick1 += len;
}
if (tick2() > fromTick) { // end after start of removed time
if (tick2() < toTick) // end within removed time: bring end at removing point
newTick2 = fromTick;
else // end after removed time: shift end to left
newTick2 += len;
}
}
// update properties as required
if (newTick2 <= newTick1) { // if no longer any span: remove it
if (parent())
parent()->remove(this);
}
else { // if either TICKS or TICK did change, update property
if (newTick2-newTick1 != tick2()- tick())
setProperty(Pid::SPANNER_TICKS, newTick2-newTick1);
if (newTick1 != tick())
setProperty(Pid::SPANNER_TICK, newTick1);
}
}
//---------------------------------------------------------
// scanElements
// used in palettes
//---------------------------------------------------------
void Spanner::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
Q_UNUSED(all);
for (SpannerSegment* seg : segments)
seg->scanElements(data, func, true);
}
//---------------------------------------------------------
// setScore
//---------------------------------------------------------
void Spanner::setScore(Score* s)
{
Element::setScore(s);
foreach(SpannerSegment* seg, segments)
seg->setScore(s);
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant Spanner::getProperty(Pid propertyId) const
{
switch (propertyId) {
case Pid::SPANNER_TICK:
return _tick;
case Pid::SPANNER_TICKS:
return _ticks;
case Pid::SPANNER_TRACK2:
return track2();
case Pid::ANCHOR:
return int(anchor());
case Pid::LOCATION_STAVES:
return (track2() / VOICES) - (track() / VOICES);
case Pid::LOCATION_VOICES:
return (track2() % VOICES) - (track() / VOICES);
case Pid::LOCATION_FRACTIONS:
return _ticks;
case Pid::LOCATION_MEASURES:
case Pid::LOCATION_GRACE:
case Pid::LOCATION_NOTE:
return Location::getLocationProperty(propertyId, startElement(), endElement());
default:
break;
}
return Element::getProperty(propertyId);
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool Spanner::setProperty(Pid propertyId, const QVariant& v)
{
switch (propertyId) {
case Pid::SPANNER_TICK:
setTick(v.value<Fraction>());
setStartElement(0); // invalidate
setEndElement(0); //
if (score() && score()->spannerMap().removeSpanner(this))
score()->addSpanner(this);
break;
case Pid::SPANNER_TICKS:
setTicks(v.value<Fraction>());
setEndElement(0); // invalidate
break;
case Pid::TRACK:
setTrack(v.toInt());
setStartElement(0); // invalidate
break;
case Pid::SPANNER_TRACK2:
setTrack2(v.toInt());
setEndElement(0); // invalidate
break;
case Pid::ANCHOR:
setAnchor(Anchor(v.toInt()));
break;
default:
return Element::setProperty(propertyId, v);
}
triggerLayout();
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant Spanner::propertyDefault(Pid propertyId) const
{
switch (propertyId) {
case Pid::ANCHOR:
return int(Anchor::SEGMENT);
default:
break;
}
return Element::propertyDefault(propertyId);
}
//---------------------------------------------------------
// computeStartElement
//---------------------------------------------------------
void Spanner::computeStartElement()
{
switch (_anchor) {
case Anchor::SEGMENT: {
Segment* seg = score()->tick2segmentMM(tick(), false, SegmentType::ChordRest);
int strack = (track() / VOICES) * VOICES;
int etrack = strack + VOICES;
_startElement = 0;
if (seg) {
for (int t = strack; t < etrack; ++t) {
if (seg->element(t)) {
_startElement = seg->element(t);
break;
}
}
}
}
break;
case Anchor::MEASURE:
_startElement = score()->tick2measure(tick());
break;
case Anchor::CHORD:
case Anchor::NOTE:
return;
}
}
//---------------------------------------------------------
// computeEndElement
//---------------------------------------------------------
void Spanner::computeEndElement()
{
if (score()->isPalette()) {
// return immediately to prevent lots of
// "no element found" messages from appearing
_endElement = nullptr;
return;
}
switch (_anchor) {
case Anchor::SEGMENT: {
if (track2() == -1)
setTrack2(track());
if (ticks().isZero() && isTextLine() && parent()) // special case palette
setTicks(score()->lastSegment()->tick() - _tick);
if (isLyricsLine() && toLyricsLine(this)->isEndMelisma()) {
// lyrics endTick should already indicate the segment we want
// except for TEMP_MELISMA_TICKS case
Lyrics* l = toLyricsLine(this)->lyrics();
Fraction tick = (l->ticks().ticks() == Lyrics::TEMP_MELISMA_TICKS) ? l->tick() : l->endTick();
Segment* s = score()->tick2segment(tick, true, SegmentType::ChordRest);
if (!s) {
qDebug("%s no end segment for tick %d", name(), tick.ticks());
return;
}
int t = trackZeroVoice(track2());
// take the first chordrest we can find;
// linePos will substitute one in current voice if available
for (int v = 0; v < VOICES; ++v) {
_endElement = s->element(t + v);
if (_endElement)
break;
}
}
else {
// find last cr on this staff that ends before tick2
_endElement = score()->findCRinStaff(tick2(), track2() / VOICES);
}
if (!_endElement) {
qDebug("%s no end element for tick %d", name(), tick2().ticks());
return;
}
if (!endCR()->measure()->isMMRest()) {
ChordRest* cr = endCR();
Fraction nticks = cr->tick() + cr->actualTicks() - _tick;
if ((_ticks - nticks).isNotZero()) {
qDebug("%s ticks changed, %d -> %d", name(), _ticks.ticks(), nticks.ticks());
setTicks(nticks);
if (isOttava())
staff()->updateOttava();
}
}
}
break;
case Anchor::MEASURE:
_endElement = score()->tick2measure(tick2() - Fraction(1, 1920));
if (!_endElement) {
qDebug("Spanner::computeEndElement(), measure not found for tick %d\n", tick2().ticks()-1);
_endElement = score()->lastMeasure();
}
break;
case Anchor::CHORD:
case Anchor::NOTE:
break;
}
}
//---------------------------------------------------------
// startElementFromSpanner
//
// Given a Spanner and an end element, determines a start element suitable for the end
// element of a new Spanner, so that it is 'parallel' to the old one.
// Can be used while cloning a linked Spanner, to update the cloned spanner start and end elements
// (Spanner(const Spanner&) copies start and end elements from the original to the copy).
// NOTES: Only spanners with Anchor::NOTE are currently supported.
// Going back from end to start ensures the 'other' anchor of this is already set up
// (for instance, while cloning staves)
//---------------------------------------------------------
Note* Spanner::startElementFromSpanner(Spanner* sp, Element* newEnd)
{
if (sp->anchor() != Anchor::NOTE)
return nullptr;
Note* oldStart = toNote(sp->startElement());
Note* oldEnd = toNote(sp->endElement());
if (oldStart == nullptr || oldEnd == nullptr)
return nullptr;
Note* newStart = nullptr;
Score* score = newEnd->score();
// determine the track where to expect the 'parallel' start element
int newTrack = (newEnd->track() - oldEnd->track()) + oldStart->track();
// look in notes linked to oldStart for a note with the
// same score as new score and appropriate track
for (ScoreElement* newEl : oldStart->linkList())
if (toNote(newEl)->score() == score && toNote(newEl)->track() == newTrack) {
newStart = toNote(newEl);
break;
}
return newStart;
}
//---------------------------------------------------------
// endElementFromSpanner
//
// Given a Spanner and a start element, determines an end element suitable for the start
// element of a new Spanner, so that it is 'parallel' to the old one.
// Can be used while cloning a linked Spanner, to update the cloned spanner start and end elements
// (Spanner(const Spanner&) copies start and end elements from the original to the copy).
// NOTES: Only spanners with Anchor::NOTE are currently supported.
//---------------------------------------------------------
Note* Spanner::endElementFromSpanner(Spanner* sp, Element* newStart)
{
if (sp->anchor() != Anchor::NOTE)
return nullptr;
Note* oldStart = toNote(sp->startElement());
Note* oldEnd = toNote(sp->endElement());
if (oldStart == nullptr || oldEnd == nullptr)
return nullptr;
Note* newEnd = nullptr;
Score* score = newStart->score();
// determine the track where to expect the 'parallel' start element
int newTrack = newStart->track() + (oldEnd->track() - oldStart->track());
// look in notes linked to oldEnd for a note with the
// same score as new score and appropriate track
for (ScoreElement* newEl : oldEnd->linkList())
if (toNote(newEl)->score() == score && toNote(newEl)->track() == newTrack) {
newEnd = toNote(newEl);
break;
}
return newEnd;
}
//---------------------------------------------------------
// setNoteSpan
//
// Sets up all the variables congruent with given start and end note anchors.
//---------------------------------------------------------
void Spanner::setNoteSpan(Note* startNote, Note* endNote)
{
if (_anchor != Anchor::NOTE)
return;
setScore(startNote->score());
setParent(startNote);
setStartElement(startNote);
setEndElement(endNote);
setTick(startNote->chord()->tick());
setTick2(endNote->chord()->tick());
setTrack(startNote->track());
setTrack2(endNote->track());
}
//---------------------------------------------------------
// startChord
//---------------------------------------------------------
Chord* Spanner::startChord()
{
Q_ASSERT(_anchor == Anchor::CHORD);
if (!_startElement)
_startElement = score()->findCR(tick(), track());
return toChord(_startElement);
}
//---------------------------------------------------------
// endChord
//---------------------------------------------------------
Chord* Spanner::endChord()
{
Q_ASSERT(_anchor == Anchor::CHORD);
if (!_endElement && type() == ElementType::SLUR) {
Segment* s = score()->tick2segmentMM(tick2(), false, SegmentType::ChordRest);
_endElement = s ? toChordRest(s->element(track2())) : nullptr;
if (!_endElement->isChord())
_endElement = nullptr;
}
return toChord(_endElement);
}
//---------------------------------------------------------
// startCR
//---------------------------------------------------------
ChordRest* Spanner::startCR()
{
Q_ASSERT(_anchor == Anchor::SEGMENT || _anchor == Anchor::CHORD);
if (!_startElement || _startElement->score() != score())
_startElement = score()->findCR(tick(), track());
return toChordRest(_startElement);
}
//---------------------------------------------------------
// endCR
//---------------------------------------------------------
ChordRest* Spanner::endCR()
{
Q_ASSERT(_anchor == Anchor::SEGMENT || _anchor == Anchor::CHORD);
if ((!_endElement || _endElement->score() != score())) {
Segment* s = score()->tick2segmentMM(tick2(), false, SegmentType::ChordRest);
const int tr2 = effectiveTrack2();
_endElement = s ? toChordRest(s->element(tr2)) : nullptr;
}
return toChordRest(_endElement);
}
//---------------------------------------------------------
// startSegment
//---------------------------------------------------------
Segment* Spanner::startSegment() const
{
Q_ASSERT(score() != NULL);
return score()->tick2rightSegment(tick());
}
//---------------------------------------------------------
// endSegment
//---------------------------------------------------------
Segment* Spanner::endSegment() const
{
return score()->tick2leftSegment(tick2());
}
//---------------------------------------------------------
// startMeasure
//---------------------------------------------------------
Measure* Spanner::startMeasure() const
{
return toMeasure(_startElement);
}
//---------------------------------------------------------
// endMeasure
//---------------------------------------------------------
Measure* Spanner::endMeasure() const
{
return toMeasure(_endElement);
}
//---------------------------------------------------------
// setSelected
//---------------------------------------------------------
void Spanner::setSelected(bool f)
{
for (SpannerSegment* ss : spannerSegments())
ss->Element::setSelected(f);
Element::setSelected(f);
}
//---------------------------------------------------------
// setVisible
//---------------------------------------------------------
void Spanner::setVisible(bool f)
{
for (SpannerSegment* ss : spannerSegments())
ss->Element::setVisible(f);
Element::setVisible(f);
}
//---------------------------------------------------------
// setAutoplace
//---------------------------------------------------------
void Spanner::setAutoplace(bool f)
{
for (SpannerSegment* ss : spannerSegments())
ss->Element::setAutoplace(f);
Element::setAutoplace(f);
}
//---------------------------------------------------------
// setColor
//---------------------------------------------------------
void Spanner::setColor(const QColor& col)
{
for (SpannerSegment* ss : spannerSegments())
ss->setColor(col);
_color = col;
}
//---------------------------------------------------------
// setStartElement
//---------------------------------------------------------
void Spanner::setStartElement(Element* e)
{
#ifndef NDEBUG
if (_anchor == Anchor::NOTE)
Q_ASSERT(!e || e->type() == ElementType::NOTE);
#endif
_startElement = e;
}
//---------------------------------------------------------
// setEndElement
//---------------------------------------------------------
void Spanner::setEndElement(Element* e)
{
#ifndef NDEBUG
if (_anchor == Anchor::NOTE)
Q_ASSERT(!e || e->type() == ElementType::NOTE);
#endif
_endElement = e;
}
//---------------------------------------------------------
// nextSpanner
//---------------------------------------------------------
Spanner* Spanner::nextSpanner(Element* e, int activeStaff)
{
std::multimap<int, Spanner*> mmap = score()->spanner();
auto range = mmap.equal_range(tick().ticks());
if (range.first != range.second) { // range not empty
for (auto i = range.first; i != range.second; ++i) {
if (i->second == e) {
while (i != range.second) {
++i;
if (i == range.second)
return nullptr;
Spanner* s = i->second;
Element* st = s->startElement();
if (!st)
continue;
if (s->startSegment() == toSpanner(e)->startSegment() &&
st->staffIdx() == activeStaff)
return s;
//else
//return nullptr;
}
break;
/* else {
break;
}*/
}
}
}
return nullptr;
}
//---------------------------------------------------------
// prevSpanner
//---------------------------------------------------------
Spanner* Spanner::prevSpanner(Element* e, int activeStaff)
{
std::multimap<int, Spanner*> mmap = score()->spanner();
auto range = mmap.equal_range(tick().ticks());
if (range.first != range.second) { // range not empty
for (auto i = range.first; i != range.second; ++i) {
if (i->second == e) {
if (i == range.first)
return nullptr;
while (i != range.first) {
--i;
Spanner* s = i->second;
if (s->startSegment() == toSpanner(e)->startSegment() &&
s->startElement()->staffIdx() == activeStaff)
return s;
}
break;
}
}
}
return nullptr;
}
//---------------------------------------------------------
// nextSegmentElement
//---------------------------------------------------------
Element* Spanner::nextSegmentElement()
{
Segment* s = startSegment();
if (s)
return s->firstElement(staffIdx());
return score()->lastElement();
}
//---------------------------------------------------------
// prevSegmentElement
//---------------------------------------------------------
Element* Spanner::prevSegmentElement()
{
Segment* s = endSegment();
if (s)
return s->lastElement(staffIdx());
return score()->firstElement();
}
//---------------------------------------------------------
// setTick
//---------------------------------------------------------
void Spanner::setTick(const Fraction& v)
{
_tick = v;
if (score())
score()->spannerMap().setDirty();
}
//---------------------------------------------------------
// setTick2
//---------------------------------------------------------
void Spanner::setTick2(const Fraction& f)
{
setTicks(f - _tick);
}
//---------------------------------------------------------
// setTicks
//---------------------------------------------------------
void Spanner::setTicks(const Fraction& f)
{
_ticks = f;
if (score())
score()->spannerMap().setDirty();
}
//---------------------------------------------------------
// triggerLayout
//---------------------------------------------------------
void Spanner::triggerLayout() const
{
// Spanners do not have parent even when added to a score, so can't check parent here
const int tr2 = effectiveTrack2();
score()->setLayout(_tick, _tick + _ticks, staffIdx(), track2staff(tr2), this);
}
void Spanner::triggerLayoutAll() const
{
// Spanners do not have parent even when added to a score, so can't check parent here
score()->setLayoutAll(staffIdx(), this);
const int tr2 = track2();
if (tr2 != -1 && tr2 != track())
score()->setLayoutAll(track2staff(tr2), this);
}
//---------------------------------------------------------
// pushUnusedSegment
//---------------------------------------------------------
void Spanner::pushUnusedSegment(SpannerSegment* seg)
{
if (!seg)
return;
seg->setSystem(nullptr);
unusedSegments.push_back(seg);
}
//---------------------------------------------------------
// popUnusedSegment
// Take the next unused segment for reusing it.
// If there is no unused segments left returns nullptr.
//---------------------------------------------------------
SpannerSegment* Spanner::popUnusedSegment()
{
if (unusedSegments.empty())
return nullptr;
SpannerSegment* seg = unusedSegments.front();
unusedSegments.pop_front();
return seg;
}
//---------------------------------------------------------
// reuse
// called when segment from unusedSegments is added
// back to the spanner.
//---------------------------------------------------------
void Spanner::reuse(SpannerSegment* seg)
{
add(seg);
}
//---------------------------------------------------------
// reuseSegments
// Adds \p number segments from unusedSegments to this
// spanner via reuse() call. Returns number of new
// segments that still need to be created, that is,
// returns (number - nMovedSegments).
//---------------------------------------------------------
int Spanner::reuseSegments(int number)
{
while (number > 0) {
SpannerSegment* seg = popUnusedSegment();
if (!seg)
break;
reuse(seg);
--number;
}
return number;
}
//---------------------------------------------------------
// fixupSegments
// Makes number of segments match targetNumber.
// Tries to reuse unused segments. If there are no
// unused segments left, uses \p createSegment to create
// the needed segments.
// Previously unused segments are added via reuse() call
//---------------------------------------------------------
void Spanner::fixupSegments(unsigned int targetNumber, std::function<SpannerSegment*()> createSegment)
{
const int diff = targetNumber - int(nsegments());
if (diff == 0)
return;
if (diff > 0) {
const int ncreate = reuseSegments(diff);
for (int i = 0; i < ncreate; ++i)
add(createSegment());
}
else { // diff < 0
const int nremove = -diff;
for (int i = 0; i < nremove; ++i) {
SpannerSegment* seg = segments.back();
segments.pop_back();
pushUnusedSegment(seg);
}
}
}
//---------------------------------------------------------
// eraseSpannerSegments
// Completely erase all spanner segments, both used and
// unused.
//---------------------------------------------------------
void Spanner::eraseSpannerSegments()
{
qDeleteAll(segments);
qDeleteAll(unusedSegments);
segments.clear();
unusedSegments.clear();
}
//---------------------------------------------------------
// layoutSystem
//---------------------------------------------------------
SpannerSegment* Spanner::layoutSystem(System*)
{
qDebug(" %s", name());
return 0;
}
//---------------------------------------------------------
// getNextLayoutSystemSegment
//---------------------------------------------------------
SpannerSegment* Spanner::getNextLayoutSystemSegment(System* system, std::function<SpannerSegment*()> createSegment)
{
SpannerSegment* seg = nullptr;
for (SpannerSegment* ss : spannerSegments()) {
if (!ss->system()) {
seg = ss;
break;
}
}
if (!seg) {
if ((seg = popUnusedSegment()))
reuse(seg);
else {
seg = createSegment();
Q_ASSERT(seg);
add(seg);
}
}
seg->setSystem(system);
seg->setSpanner(this);
seg->setTrack(track());
seg->setVisible(visible());
return seg;
}
//---------------------------------------------------------
// layoutSystemsDone
// Called after layout of all systems is done so precise
// number of systems for this spanner becomes available.
//---------------------------------------------------------
void Spanner::layoutSystemsDone()
{
std::vector<SpannerSegment*> validSegments;
for (SpannerSegment* seg : segments) {
if (seg->system())
validSegments.push_back(seg);
else // TODO: score()->selection().remove(ss); needed?
pushUnusedSegment(seg);
}
segments = std::move(validSegments);
}
//--------------------------------------------------
// fraction
//---------------------------------------------------------
static Fraction fraction(const XmlWriter& xml, const Element* current, const Fraction& t)
{
Fraction tick(t);
if (!xml.clipboardmode()) {
const Measure* m = toMeasure(current->findMeasure());
if (m)
tick -= m->tick();
}
return tick;
}
//---------------------------------------------------------
// Spanner::readProperties
//---------------------------------------------------------
bool Spanner::readProperties(XmlReader& e)
{
const QStringRef tag(e.name());
if (e.pasteMode()) {
if (tag == "ticks_f") {
setTicks(e.readFraction());
return true;
}
}
return Element::readProperties(e);
}
//---------------------------------------------------------
// Spanner::writeProperties
//---------------------------------------------------------
void Spanner::writeProperties(XmlWriter& xml) const
{
if (xml.clipboardmode())
xml.tag("ticks_f", ticks());
Element::writeProperties(xml);
}
//--------------------------------------------------
// Spanner::writeSpannerStart
//---------------------------------------------------------
void Spanner::writeSpannerStart(XmlWriter& xml, const Element* current, int track, Fraction tick) const
{
Fraction frac = fraction(xml, current, tick);
SpannerWriter w(xml, current, this, track, frac, true);
w.write();
}
//--------------------------------------------------
// Spanner::writeSpannerEnd
//---------------------------------------------------------
void Spanner::writeSpannerEnd(XmlWriter& xml, const Element* current, int track, Fraction tick) const
{
Fraction frac = fraction(xml, current, tick);
SpannerWriter w(xml, current, this, track, frac, false);
w.write();
}
//--------------------------------------------------
// Spanner::readSpanner
//---------------------------------------------------------
void Spanner::readSpanner(XmlReader& e, Element* current, int track)
{
std::unique_ptr<ConnectorInfoReader> info(new ConnectorInfoReader(e, current, track));
ConnectorInfoReader::readConnector(std::move(info), e);
}
//--------------------------------------------------
// Spanner::readSpanner
//---------------------------------------------------------
void Spanner::readSpanner(XmlReader& e, Score* current, int track)
{
std::unique_ptr<ConnectorInfoReader> info(new ConnectorInfoReader(e, current, track));
ConnectorInfoReader::readConnector(std::move(info), e);
}
//---------------------------------------------------------
// SpannerWriter::fillSpannerPosition
//---------------------------------------------------------
void SpannerWriter::fillSpannerPosition(Location& l, const MeasureBase* m, const Fraction& tick, bool clipboardmode)
{
if (clipboardmode) {
l.setMeasure(0);
l.setFrac(tick);
}
else {
if (!m) {
qWarning("fillSpannerPosition: couldn't find spanner's endpoint's measure");
l.setMeasure(0);
l.setFrac(tick);
return;
}
l.setMeasure(m->measureIndex());
l.setFrac(tick - m->tick());
}
}
//---------------------------------------------------------
// SpannerWriter::SpannerWriter
//---------------------------------------------------------
SpannerWriter::SpannerWriter(XmlWriter& xml, const Element* current, const Spanner* sp, int track, Fraction frac, bool start)
: ConnectorInfoWriter(xml, current, sp, track, frac)
{
const bool clipboardmode = xml.clipboardmode();
if (!sp->startElement() || !sp->endElement()) {
qWarning("SpannerWriter: spanner (%s) doesn't have an endpoint!", sp->name());
return;
}
if (current->isMeasure() || current->isSegment() || (sp->startElement()->type() != current->type())) {
// (The latter is the hairpins' case, for example, though they are
// covered by the other checks too.)
// We cannot determine position of the spanner from its start/end
// elements and will try to obtain this info from the spanner itself.
if (!start) {
_prevLoc.setTrack(sp->track());
Measure* m = sp->score()->tick2measure(sp->tick());
fillSpannerPosition(_prevLoc, m, sp->tick(), clipboardmode);
}
else {
const int track2 = (sp->track2() != -1) ? sp->track2() : sp->track();
_nextLoc.setTrack(track2);
Measure* m = sp->score()->tick2measure(sp->tick2());
fillSpannerPosition(_nextLoc, m, sp->tick2(), clipboardmode);
}
}
else {
// We can obtain the spanner position info from its start/end
// elements and will prefer this source of information.
// Reason: some spanners contain no or wrong information (e.g. Ties).
if (!start)
updateLocation(sp->startElement(), _prevLoc, clipboardmode);
else
updateLocation(sp->endElement(), _nextLoc, clipboardmode);
}
}
//---------------------------------------------------------
// autoplaceSpannerSegment
//---------------------------------------------------------
void SpannerSegment::autoplaceSpannerSegment()
{
if (!parent()) {
setOffset(QPointF());
return;
}
if (isStyled(Pid::OFFSET))
setOffset(spanner()->propertyDefault(Pid::OFFSET).toPointF());
if (spanner()->anchor() == Spanner::Anchor::NOTE)
return;
// rebase vertical offset on drag
qreal rebase = 0.0;
if (offsetChanged() != OffsetChange::NONE)
rebase = rebaseOffset();
if (autoplace()) {
qreal sp = score()->spatium();
if (!systemFlag() && !spanner()->systemFlag())
sp *= staff()->mag(spanner()->tick());
qreal md = minDistance().val() * sp;
bool above = spanner()->placeAbove();
SkylineLine sl(!above);
Shape sh = shape();
sl.add(sh.translated(pos()));
qreal yd = 0.0;
if (above) {
qreal d = system()->topDistance(staffIdx(), sl);
if (d > -md)
yd = -(d + md);
}
else {
qreal d = system()->bottomDistance(staffIdx(), sl);
if (d > -md)
yd = d + md;
}
if (yd != 0.0) {
if (offsetChanged() != OffsetChange::NONE) {
// user moved element within the skyline
// we may need to adjust minDistance, yd, and/or offset
qreal adj = pos().y() + rebase;
bool inStaff = above ? sh.bottom() + adj > 0.0 : sh.top() + adj < staff()->height();
rebaseMinDistance(md, yd, sp, rebase, above, inStaff);
}
rypos() += yd;
}
}
setOffsetChanged(false);
}
//---------------------------------------------------------
// undoChangeProperty
//---------------------------------------------------------
void Spanner::undoChangeProperty(Pid id, const QVariant& v, PropertyFlags ps)
{
if (id == Pid::PLACEMENT) {
ScoreElement::undoChangeProperty(id, v, ps);
// change offset of all segments if styled
for (SpannerSegment* s : segments) {
if (s->isStyled(Pid::OFFSET)) {
s->setOffset(s->propertyDefault(Pid::OFFSET).toPointF());
s->triggerLayout();
}
}
MuseScoreCore::mscoreCore->updateInspector();
return;
}
Element::undoChangeProperty(id, v, ps);
}
}
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