MuseScore/libmscore/system.cpp

1187 lines
42 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2011 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
//=============================================================================
/**
\file
Implementation of classes SysStaff and System.
*/
#include "system.h"
#include "measure.h"
#include "segment.h"
#include "score.h"
#include "sig.h"
#include "key.h"
#include "xml.h"
#include "clef.h"
#include "text.h"
#include "navigate.h"
#include "select.h"
#include "staff.h"
#include "part.h"
#include "page.h"
#include "style.h"
#include "bracket.h"
#include "mscore.h"
#include "barline.h"
#include "system.h"
#include "box.h"
#include "chordrest.h"
#include "iname.h"
#include "spanner.h"
#include "sym.h"
#include "spacer.h"
#include "systemdivider.h"
#include "textframe.h"
namespace Ms {
//---------------------------------------------------------
// ~SysStaff
//---------------------------------------------------------
SysStaff::~SysStaff()
{
qDeleteAll(instrumentNames);
}
//---------------------------------------------------------
// System
//---------------------------------------------------------
System::System(Score* s)
: Element(s)
{
}
//---------------------------------------------------------
// ~System
//---------------------------------------------------------
System::~System()
{
qDeleteAll(_staves);
qDeleteAll(_brackets);
delete _systemDividerLeft;
delete _systemDividerRight;
}
//---------------------------------------------------------
/// clear
/// Clear layout of System
//---------------------------------------------------------
void System::clear()
{
ml.clear();
for (SpannerSegment* ss : _spannerSegments) {
if (ss->system() == this)
ss->setParent(0); // assume parent() is System
}
_spannerSegments.clear();
// _systemDividers are reused
}
//---------------------------------------------------------
// vbox
//---------------------------------------------------------
VBox* System::vbox() const
{
if (!ml.empty()) {
if (ml[0]->isVBox() || ml[0]->isTBox())
return static_cast<VBox*>(ml[0]);
}
return 0;
}
//---------------------------------------------------------
// insertStaff
//---------------------------------------------------------
SysStaff* System::insertStaff(int idx)
{
SysStaff* staff = new SysStaff;
if (idx) {
// HACK: guess position
staff->bbox().setY(_staves[idx-1]->y() + 6 * spatium());
}
_staves.insert(idx, staff);
return staff;
}
//---------------------------------------------------------
// removeStaff
//---------------------------------------------------------
void System::removeStaff(int idx)
{
_staves.takeAt(idx);
}
//---------------------------------------------------------
// layout
/// Layout the System
// xo1 is the indent of this system
//---------------------------------------------------------
void System::layoutSystem(qreal xo1)
{
if (_staves.empty()) // ignore vbox
return;
static const Spatium instrumentNameOffset(1.0); // TODO: make style value
int nstaves = _staves.size();
//---------------------------------------------------
// find x position of staves
// create brackets
//---------------------------------------------------
qreal xoff2 = 0.0; // x offset for instrument name
int bracketLevels = 0;
for (int idx = 0; idx < nstaves; ++idx)
bracketLevels = qMax(bracketLevels, score()->staff(idx)->bracketLevels());
qreal bracketWidth[bracketLevels];
for (int i = 0; i < bracketLevels; ++i)
bracketWidth[i] = 0.0;
QList<Bracket*> bl;
bl.swap(_brackets);
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* s = score()->staff(staffIdx);
for (int i = 0; i < bracketLevels; ++i) {
if (s->bracket(i) == BracketType::NO_BRACKET)
continue;
int firstStaff = staffIdx;
int lastStaff = staffIdx + s->bracketSpan(i) - 1;
if (lastStaff >= nstaves)
lastStaff = nstaves - 1;
for (; firstStaff <= lastStaff; ++firstStaff) {
if (score()->staff(firstStaff)->show())
break;
}
for (; lastStaff >= firstStaff; --lastStaff) {
if (score()->staff(lastStaff)->show())
break;
}
int span = lastStaff - firstStaff + 1;
//
// do not show bracket if it only spans one
// system due to some invisible staves
//
if ((span > 1) || (s->bracketSpan(i) == span)) {
//
// this bracket is visible
//
Bracket* b = 0;
int track = staffIdx * VOICES;
for (int k = 0; k < bl.size(); ++k) {
if (bl[k]->track() == track && bl[k]->level() == i) {
b = bl.takeAt(k);
break;
}
}
if (b == 0) {
b = new Bracket(score());
b->setGenerated(true);
b->setTrack(track);
b->setLevel(i);
}
add(b);
b->setFirstStaff(firstStaff);
b->setLastStaff(lastStaff);
b->setBracketType(s->bracket(i));
b->setSpan(s->bracketSpan(i));
bracketWidth[i] = qMax(bracketWidth[i], b->width());
}
}
if (!s->show())
continue;
for (InstrumentName* t : _staves[staffIdx]->instrumentNames) {
t->layout();
qreal w = t->width() + point(instrumentNameOffset);
if (w > xoff2)
xoff2 = w;
}
}
for (Bracket* b : bl)
delete b;
//---------------------------------------------------
// layout SysStaff and StaffLines
//---------------------------------------------------
_leftMargin = xoff2;
qreal bd = score()->styleP(StyleIdx::bracketDistance);
if ( _brackets.size() > 0) {
for (int i = 0; i < bracketLevels; ++i)
_leftMargin += bracketWidth[i] + bd;
}
int nVisible = 0;
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
SysStaff* s = _staves[staffIdx];
Staff* staff = score()->staff(staffIdx);
if (!staff->show() || !s->show()) {
s->setbbox(QRectF());
continue;
}
++nVisible;
qreal staffMag = staff->mag();
qreal h;
if (staff->lines() == 1)
h = 2;
else
h = (staff->lines()-1) * staff->lineDistance();
h = h * staffMag * spatium();
s->bbox().setRect(_leftMargin + xo1, 0.0, 0.0, h);
}
//---------------------------------------------------
// layout brackets
//---------------------------------------------------
for (Bracket* b : _brackets) {
qreal xo = -xo1;
for (const Bracket* b2 : _brackets) {
if (b->level() > b2->level() &&
((b->firstStaff() >= b2->firstStaff() && b->firstStaff() <= b2->lastStaff()) ||
(b->lastStaff() >= b2->firstStaff() && b->lastStaff() <= b2->lastStaff())))
xo += b2->width() + bd;
}
b->rxpos() = _leftMargin - xo - b->width();
}
//---------------------------------------------------
// layout instrument names x position
//---------------------------------------------------
int idx = 0;
for (const Part* p : score()->parts()) {
SysStaff* s = staff(idx);
if (s->show() && p->show()) {
for (InstrumentName* t : s->instrumentNames) {
switch (t->textStyle().align() & AlignmentFlags::HMASK) {
case int(AlignmentFlags::LEFT):
t->rxpos() = 0;
break;
case int(AlignmentFlags::HCENTER):
t->rxpos() = (xoff2 - point(instrumentNameOffset) + xo1) * .5;
break;
case int(AlignmentFlags::RIGHT):
default:
t->rxpos() = xoff2 - point(instrumentNameOffset) + xo1;
break;
}
t->rxpos() += t->textStyle().offset(t->spatium()).x();
}
}
idx += p->nstaves();
}
}
//---------------------------------------------------------
// layout2
// called after measure layout
// adjusts staff distance
//---------------------------------------------------------
void System::layout2()
{
VBox* b = vbox();
if (b) {
b->layout();
setbbox(b->bbox());
return;
}
setPos(0.0, 0.0);
QList<std::pair<int,SysStaff*>> visibleStaves;
int firstStaffIdx = -1;
int lastStaffIdx = 0;
int firstStaffInitialIdx = -1;
int lastStaffInitialIdx = 0;
Measure* fm = firstMeasure();
for (int i = 0; i < _staves.size(); ++i) {
Staff* s = score()->staff(i);
SysStaff* ss = _staves[i];
if (s->show() && ss->show()) {
visibleStaves.append(std::pair<int,SysStaff*>(i, ss));
if (firstStaffIdx == -1)
firstStaffIdx = i;
if (i > lastStaffIdx)
lastStaffIdx = i;
if (fm && fm->visible(i)) {
if (firstStaffInitialIdx == -1)
firstStaffInitialIdx = i;
lastStaffInitialIdx = i;
}
}
else {
ss->setbbox(QRectF()); // already done in layout() ?
}
}
if (firstStaffIdx == -1)
firstStaffIdx = 0;
if (firstStaffInitialIdx == -1)
firstStaffInitialIdx = 0;
qreal _spatium = spatium();
qreal y = 0.0;
qreal minVerticalDistance = score()->styleP(StyleIdx::minVerticalDistance);
qreal staffDistance = score()->styleP(StyleIdx::staffDistance);
qreal akkoladeDistance = score()->styleP(StyleIdx::akkoladeDistance);
if (visibleStaves.empty()) {
qDebug("====no visible staves, staves %d, score staves %d", _staves.size(), score()->nstaves());
}
for (auto i = visibleStaves.begin();; ++i) {
SysStaff* ss = i->second;
int si1 = i->first;
Staff* staff = score()->staff(si1);
auto ni = i + 1;
qreal h = staff->height();
if (ni == visibleStaves.end()) {
ss->setYOff(staff->lines() == 1 ? _spatium * staff->mag() : 0.0);
ss->bbox().setRect(_leftMargin, y, width() - _leftMargin, h);
break;
}
int si2 = ni->first;
qreal dist = h;
switch (staff->innerBracket()) {
case BracketType::BRACE:
dist += akkoladeDistance;
break;
case BracketType::NORMAL:
case BracketType::SQUARE:
case BracketType::LINE:
case BracketType::NO_BRACKET:
dist += staffDistance;
break;
}
dist += score()->staff(si2)->userDist();
for (MeasureBase* mb : ml) {
if (!mb->isMeasure())
continue;
Measure* m = toMeasure(mb);
Shape& s1 = m->staffShape(si1);
Shape& s2 = m->staffShape(si2);
qreal d = s1.minVerticalDistance(s2) + minVerticalDistance;
dist = qMax(dist, d);
Spacer* sp = m->mstaff(si1)->_vspacerDown;
if (sp) {
if (sp->spacerType() == SpacerType::FIXED) {
dist = staff->height() + sp->gap();
break;
}
else
dist = qMax(dist, staff->height() + sp->gap());
}
sp = m->mstaff(si2)->_vspacerUp;
if (sp)
dist = qMax(dist, sp->gap());
}
ss->setYOff(staff->lines() == 1 ? _spatium * staff->mag() : 0.0);
ss->bbox().setRect(_leftMargin, y, width() - _leftMargin, h);
y += dist;
}
qreal systemHeight = staff(lastStaffIdx)->bbox().bottom();
setHeight(systemHeight);
for (MeasureBase* m : ml) {
if (m->isMeasure()) {
// note that the factor 2 * _spatium must be corrected for when exporting
// system distance in MusicXML (issue #24733)
m->bbox().setRect(0.0, -_spatium, m->width(), systemHeight + 2.0 * _spatium);
}
else if (m->isHBox()) {
m->bbox().setRect(0.0, 0.0, m->width(), systemHeight);
toHBox(m)->layout2();
}
else if (m->isTBox()) {
// m->bbox().setRect(0.0, 0.0, m->width(), systemHeight);
toTBox(m)->layout();
}
else
qDebug("unhandled measure type %s", m->name());
}
if (fm) {
Segment* s = fm->first();
BarLine* _barLine = s->isBeginBarLineType() ? toBarLine(s->element(0)) : 0;
if (_barLine) {
_barLine->setTrack(firstStaffInitialIdx * VOICES);
_barLine->setSpan(lastStaffInitialIdx - firstStaffInitialIdx + 1);
if (score()->staff(firstStaffInitialIdx)->lines() == 1)
_barLine->setSpanFrom(BARLINE_SPAN_1LINESTAFF_FROM);
else
_barLine->setSpanFrom(0);
int llines = score()->staff(lastStaffInitialIdx)->lines();
int spanTo = llines == 1 ? BARLINE_SPAN_1LINESTAFF_TO : (llines - 1) * 2;
_barLine->setSpanTo(spanTo);
_barLine->layout();
}
}
//---------------------------------------------------
// layout brackets vertical position
//---------------------------------------------------
for (Bracket* b : _brackets) {
int staffIdx1 = b->firstStaff();
int staffIdx2 = b->lastStaff();
qreal sy = 0; // assume bracket not visible
qreal ey = 0;
// if start staff not visible, try next staff
while (staffIdx1 <= staffIdx2 && !_staves[staffIdx1]->show())
++staffIdx1;
// if end staff not visible, try prev staff
while (staffIdx1 <= staffIdx2 && !_staves[staffIdx2]->show())
--staffIdx2;
// the bracket will be shown IF:
// it spans at least 2 visible staves (staffIdx1 < staffIdx2) OR
// it spans just one visible staff (staffIdx1 == staffIdx2) but it is required to do so
// (the second case happens at least when the bracket is initially dropped)
bool notHidden = (staffIdx1 < staffIdx2) || (b->span() == 1 && staffIdx1 == staffIdx2);
if (notHidden) { // set vert. pos. and height to visible spanned staves
sy = _staves[staffIdx1]->bbox().top();
ey = _staves[staffIdx2]->bbox().bottom();
}
b->rypos() = sy;
// if (score()->staff(firstStaffInitialIdx)->lines() == 1) // bbox of one line staff bad?
// b->rypos() -= _spatium;
b->setHeight(ey - sy);
b->layout();
}
//---------------------------------------------------
// layout instrument names
//---------------------------------------------------
int staffIdx = 0;
for (Part* p : score()->parts()) {
SysStaff* s = staff(staffIdx);
SysStaff* s2;
int nstaves = p->nstaves();
if (s->show()) {
for (InstrumentName* t : s->instrumentNames) {
//
// override Text->layout()
//
qreal y1, y2;
switch (t->layoutPos()) {
default:
case 0: // center at part
y1 = s->bbox().top();
s2 = staff(staffIdx);
for (int i = staffIdx + nstaves - 1; i > 0; --i) {
SysStaff* s = staff(i);
if (s->show()) {
s2 = s;
break;
}
}
y2 = s2->bbox().bottom();
break;
case 1: // center at first staff
y1 = s->bbox().top();
y2 = s->bbox().bottom();
break;
// TODO:
// sort out invisible staves
case 2: // center between first and second staff
y1 = s->bbox().top();
y2 = staff(staffIdx + 1)->bbox().bottom();
break;
case 3: // center at second staff
y1 = staff(staffIdx + 1)->bbox().top();
y2 = staff(staffIdx + 1)->bbox().bottom();
break;
case 4: // center between first and second staff
y1 = staff(staffIdx + 1)->bbox().top();
y2 = staff(staffIdx + 2)->bbox().bottom();
break;
case 5: // center at third staff
y1 = staff(staffIdx + 2)->bbox().top();
y2 = staff(staffIdx + 2)->bbox().bottom();
break;
}
t->rypos() = y1 + (y2 - y1) * .5 + t->textStyle().offset(t->spatium()).y();
}
}
staffIdx += nstaves;
}
}
//---------------------------------------------------------
// setInstrumentNames
//---------------------------------------------------------
void System::setInstrumentNames(bool longName)
{
//
// remark: add/remove instrument names is not undo/redoable
// as add/remove of systems is not undoable
//
if (vbox()) // ignore vbox
return;
if (!score()->showInstrumentNames()
|| (score()->styleB(StyleIdx::hideInstrumentNameIfOneInstrument) && score()->parts().size() == 1)) {
for (SysStaff* staff : _staves) {
foreach (InstrumentName* t, staff->instrumentNames)
score()->removeElement(t);
}
return;
}
// TODO: ml is normally empty here, so we are unable to retrieve tick
// thus, staff name does not reflect current instrument
int tick = ml.empty() ? 0 : ml.front()->tick();
int staffIdx = 0;
for (SysStaff* staff : _staves) {
Staff* s = score()->staff(staffIdx);
if (!s->isTop() || !s->show()) {
foreach (InstrumentName* t, staff->instrumentNames)
score()->removeElement(t);
++staffIdx;
continue;
}
Part* part = s->part();
const QList<StaffName>& names = longName? part->longNames(tick) : part->shortNames(tick);
int idx = 0;
foreach (const StaffName& sn, names) {
InstrumentName* iname = staff->instrumentNames.value(idx);
if (iname == 0) {
iname = new InstrumentName(score());
// iname->setGenerated(true);
iname->setParent(this);
iname->setTrack(staffIdx * VOICES);
iname->setInstrumentNameType(longName ? InstrumentNameType::LONG : InstrumentNameType::SHORT);
score()->addElement(iname);
}
iname->setXmlText(sn.name());
iname->setLayoutPos(sn.pos());
++idx;
}
for (; idx < staff->instrumentNames.size(); ++idx)
score()->removeElement(staff->instrumentNames[idx]);
++staffIdx;
}
}
//---------------------------------------------------------
// y2staff
//---------------------------------------------------------
/**
Return staff number for canvas relative y position \a y
or -1 if not found.
To allow drag and drop above and below the staff, the actual y range
considered "inside" the staff is increased by "margin".
*/
int System::y2staff(qreal y) const
{
y -= pos().y();
int idx = 0;
qreal margin = spatium() * 2;
foreach (SysStaff* s, _staves) {
qreal y1 = s->bbox().top() - margin;
qreal y2 = s->bbox().bottom() + margin;
if (y >= y1 && y < y2)
return idx;
++idx;
}
return -1;
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void System::add(Element* el)
{
if (!el)
return;
// qDebug("%p System::add: %p %s", this, el, el->name());
el->setParent(this);
switch(el->type()) {
case Element::Type::INSTRUMENT_NAME:
// qDebug(" staffIdx %d, staves %d", el->staffIdx(), _staves.size());
_staves[el->staffIdx()]->instrumentNames.append(static_cast<InstrumentName*>(el));
break;
case Element::Type::BEAM:
score()->addElement(el);
break;
case Element::Type::BRACKET:
{
Bracket* b = static_cast<Bracket*>(el);
int staffIdx = b->staffIdx();
int level = b->level();
if (level == -1) {
level = 0;
for (const Bracket* bb : _brackets) {
if (staffIdx >= bb->firstStaff() && staffIdx <= bb->lastStaff())
++level;
}
b->setLevel(level);
b->setSpan(1);
}
// b->staff()->setBracket(level, b->bracketType());
// b->staff()->setBracketSpan(level, b->span());
_brackets.append(b);
}
break;
case Element::Type::MEASURE:
case Element::Type::HBOX:
case Element::Type::VBOX:
case Element::Type::TBOX:
case Element::Type::FBOX:
score()->addElement(static_cast<MeasureBase*>(el));
break;
case Element::Type::TEXTLINE_SEGMENT:
case Element::Type::HAIRPIN_SEGMENT:
case Element::Type::OTTAVA_SEGMENT:
case Element::Type::TRILL_SEGMENT:
case Element::Type::VOLTA_SEGMENT:
case Element::Type::SLUR_SEGMENT:
case Element::Type::PEDAL_SEGMENT:
case Element::Type::LYRICSLINE_SEGMENT:
case Element::Type::GLISSANDO_SEGMENT:
{
SpannerSegment* ss = static_cast<SpannerSegment*>(el);
#ifndef NDEBUG
if (_spannerSegments.contains(ss))
qDebug("System::add() %s %p already there", ss->name(), ss);
else
#endif
_spannerSegments.append(ss);
}
break;
case Element::Type::SYSTEM_DIVIDER:
{
SystemDivider* sd = static_cast<SystemDivider*>(el);
if (sd->dividerType() == SystemDivider::Type::LEFT)
_systemDividerLeft = sd;
else
_systemDividerRight = sd;
}
break;
default:
qDebug("System::add(%s) not implemented", el->name());
break;
}
}
//---------------------------------------------------------
// remove
//---------------------------------------------------------
void System::remove(Element* el)
{
switch (el->type()) {
case Element::Type::INSTRUMENT_NAME:
_staves[el->staffIdx()]->instrumentNames.removeOne(static_cast<InstrumentName*>(el));
break;
case Element::Type::BEAM:
score()->removeElement(el);
break;
case Element::Type::BRACKET:
{
Bracket* b = static_cast<Bracket*>(el);
if (!_brackets.removeOne(b))
qDebug("System::remove: bracket not found");
}
break;
case Element::Type::MEASURE:
case Element::Type::HBOX:
case Element::Type::VBOX:
case Element::Type::TBOX:
case Element::Type::FBOX:
score()->removeElement(el);
break;
case Element::Type::TEXTLINE_SEGMENT:
case Element::Type::HAIRPIN_SEGMENT:
case Element::Type::OTTAVA_SEGMENT:
case Element::Type::TRILL_SEGMENT:
case Element::Type::VOLTA_SEGMENT:
case Element::Type::SLUR_SEGMENT:
case Element::Type::PEDAL_SEGMENT:
case Element::Type::LYRICSLINE_SEGMENT:
case Element::Type::GLISSANDO_SEGMENT:
if (!_spannerSegments.removeOne(static_cast<SpannerSegment*>(el))) {
qDebug("System::remove: %p(%s) not found, score %p", el, el->name(), score());
Q_ASSERT(score() == el->score());
}
break;
case Element::Type::SYSTEM_DIVIDER:
if (el == _systemDividerLeft)
_systemDividerLeft = 0;
else {
Q_ASSERT(_systemDividerRight == el);
_systemDividerRight = 0;
}
break;
default:
qDebug("System::remove(%s) not implemented", el->name());
break;
}
}
//---------------------------------------------------------
// change
//---------------------------------------------------------
void System::change(Element* o, Element* n)
{
remove(o);
add(n);
}
//---------------------------------------------------------
// snap
//---------------------------------------------------------
int System::snap(int tick, const QPointF p) const
{
foreach(const MeasureBase* m, ml) {
if (p.x() < m->x() + m->width())
return ((Measure*)m)->snap(tick, p - m->pos()); //TODO: MeasureBase
}
return ((Measure*)ml.back())->snap(tick, p-pos()); //TODO: MeasureBase
}
//---------------------------------------------------------
// snap
//---------------------------------------------------------
int System::snapNote(int tick, const QPointF p, int staff) const
{
foreach(const MeasureBase* m, ml) {
if (p.x() < m->x() + m->width())
return ((Measure*)m)->snapNote(tick, p - m->pos(), staff); //TODO: MeasureBase
}
return ((Measure*)ml.back())->snap(tick, p-pos()); // TODO: MeasureBase
}
//---------------------------------------------------------
// firstMeasure
//---------------------------------------------------------
Measure* System::firstMeasure() const
{
auto i = std::find_if(ml.begin(), ml.end(), [](MeasureBase* mb){return mb->isMeasure();});
return i != ml.end() ? toMeasure(*i) : 0;
}
//---------------------------------------------------------
// lastMeasure
//---------------------------------------------------------
Measure* System::lastMeasure() const
{
auto i = std::find_if(ml.rbegin(), ml.rend(), [](MeasureBase* mb){return mb->isMeasure();});
return i != ml.rend() ? toMeasure(*i) : 0;
}
//---------------------------------------------------------
// prevMeasure
//---------------------------------------------------------
MeasureBase* System::prevMeasure(const MeasureBase* m) const
{
if (m == ml.front())
return 0;
return m->prev();
}
//---------------------------------------------------------
// nextMeasure
//---------------------------------------------------------
MeasureBase* System::nextMeasure(const MeasureBase* m) const
{
if (m == ml.back())
return 0;
return m->next();
}
//---------------------------------------------------------
// scanElements
// collect all visible elements
//---------------------------------------------------------
void System::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
if (vbox())
return;
for (Bracket* b : _brackets)
func(data, b);
if (_systemDividerLeft)
func(data, _systemDividerLeft);
if (_systemDividerRight)
func(data, _systemDividerRight);
int idx = 0;
for (const SysStaff* st : _staves) {
if (all || st->show()) {
for (InstrumentName* t : st->instrumentNames)
func(data, t);
}
++idx;
}
for (SpannerSegment* ss : _spannerSegments) {
int staffIdx = ss->spanner()->staffIdx();
if (staffIdx == -1) {
qDebug("System::scanElements: staffIDx == -1: %s %p", ss->spanner()->name(), ss->spanner());
staffIdx = 0;
}
bool v = true;
Spanner* spanner = ss->spanner();
if (spanner->anchor() == Spanner::Anchor::SEGMENT || spanner->anchor() == Spanner::Anchor::CHORD) {
Element* se = spanner->startElement();
Element* ee = spanner->endElement();
bool v1 = true;
if (se && (se->type() == Element::Type::CHORD || se->type() == Element::Type::REST)) {
ChordRest* cr = static_cast<ChordRest*>(se);
Measure* m = cr->measure();
MStaff* mstaff = m->mstaff(cr->staffIdx());
v1 = mstaff->visible();
}
bool v2 = true;
if (!v1 && ee && (ee->type() == Element::Type::CHORD || ee->type() == Element::Type::REST)) {
ChordRest* cr = static_cast<ChordRest*>(ee);
Measure* m = cr->measure();
MStaff* mstaff = m->mstaff(cr->staffIdx());
v2 = mstaff->visible();
}
v = v1 || v2; // hide spanner if both chords are hidden
}
if (all || (score()->staff(staffIdx)->show() && _staves[staffIdx]->show() && v) || (spanner->type() == Element::Type::VOLTA))
ss->scanElements(data, func, all);
}
}
//---------------------------------------------------------
// staffYpage
// return page coordinates
//---------------------------------------------------------
qreal System::staffYpage(int staffIdx) const
{
if (_staves.size() <= staffIdx || staffIdx < 0) {
qDebug("staffY: staves %d: bad staffIdx %d",
_staves.size(), staffIdx);
// abort();
return pagePos().y();
}
return _staves[staffIdx]->y() + y();
}
//---------------------------------------------------------
// staffCanvasYpage
// return canvas coordinates
//---------------------------------------------------------
qreal System::staffCanvasYpage(int staffIdx) const
{
return _staves[staffIdx]->y() + y() + page()->canvasPos().y();
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void System::write(Xml& xml) const
{
xml.stag("System");
if (_systemDividerLeft && _systemDividerLeft->isUserModified())
_systemDividerLeft->write(xml);
if (_systemDividerRight && _systemDividerRight->isUserModified())
_systemDividerRight->write(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void System::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "SystemDivider") {
SystemDivider* sd = new SystemDivider(score());
sd->read(e);
add(sd);
}
else
e.unknown();
}
}
//---------------------------------------------------------
// nextElement
//---------------------------------------------------------
Element* System::nextElement()
{
Measure* m = firstMeasure();
if (m) {
Segment* firstSeg = m->segments().first();
if (firstSeg)
return firstSeg->element(0);
}
return score()->firstElement();
}
//---------------------------------------------------------
// prevElement
//---------------------------------------------------------
Element* System::prevElement()
{
Segment* seg = firstMeasure()->first();
Element* re = 0;
while (!re) {
seg = seg->prev1MM();
if (!seg)
return score()->lastElement();
if (seg->segmentType() == Segment::Type::EndBarLine)
score()->inputState().setTrack((score()->staves().size() - 1) * VOICES); //corection
re = seg->lastElement(score()->staves().size() - 1);
}
return re;
}
//---------------------------------------------------------
// minDistance
// Return the minimum distance between this system and s2
// without any element collisions.
//
// this - top system
// s2 - bottom system
//---------------------------------------------------------
qreal System::minDistance(System* s2) const
{
// const qreal systemFrameDistance = score()->styleP(StyleIdx::systemFrameDistance);
// const qreal frameSystemDistance = score()->styleP(StyleIdx::frameSystemDistance);
if (vbox() && !s2->vbox())
// return qMax(frameSystemDistance, -s2->minTop());
return qMax(vbox()->bottomGap(), -s2->minTop());
else if (!vbox() && s2->vbox())
// return qMax(systemFrameDistance, -minBottom());
return qMax(s2->vbox()->topGap(), -minBottom());
else if (vbox() && s2->vbox())
return 0.0;
qreal minVerticalDistance = score()->styleP(StyleIdx::minVerticalDistance);
qreal dist = score()->styleP(StyleIdx::minSystemDistance);
int lastStaff = _staves.size() - 1;
fixedDownDistance = false;
for (MeasureBase* mb1 : ml) {
if (mb1->isMeasure()) {
Measure* m = toMeasure(mb1);
Q_ASSERT(!m->mstaves().empty());
Spacer* sp = m->mstaves().back()->_vspacerDown;
if (sp) {
if (sp->spacerType() == SpacerType::FIXED) {
dist = sp->gap();
fixedDownDistance = true;
break;
}
else
dist = qMax(dist, sp->gap());
}
}
}
if (!fixedDownDistance) {
for (MeasureBase* mb2 : s2->ml) {
if (mb2->isMeasure()) {
Measure* m = toMeasure(mb2);
Q_ASSERT(!m->mstaves().empty());
Spacer* sp = m->mstaves().front()->_vspacerUp;
if (sp)
dist = qMax(dist, sp->gap());
}
}
for (MeasureBase* mb1 : ml) {
if (!mb1->isMeasure())
continue;
Measure* m1 = toMeasure(mb1);
qreal bx1 = m1->x();
qreal bx2 = m1->x() + m1->width();
for (MeasureBase* mb2 : s2->measures()) {
if (!mb2->isMeasure())
continue;
Measure* m2 = toMeasure(mb2);
qreal ax1 = mb2->x();
if (ax1 >= bx2)
break;
qreal ax2 = mb2->x() + mb2->width();
if (ax2 < bx1)
continue;
Shape s1 = m1->staffShape(lastStaff).translated(m1->pos());
Shape s2 = m2->staffShape(0).translated(m2->pos());
qreal d = s1.minVerticalDistance(s2) + minVerticalDistance;
dist = qMax(dist, d - m1->mstaff(lastStaff)->lines->height());
}
}
}
return dist;
}
//---------------------------------------------------------
// topDistance
// return minimum distance to the shape above
//---------------------------------------------------------
qreal System::topDistance(int staffIdx, const Shape& s) const
{
qreal dist = -1000000.0;
for (MeasureBase* mb1 : ml) {
if (!mb1->isMeasure())
continue;
Measure* m1 = toMeasure(mb1);
dist = qMax(dist, s.minVerticalDistance(m1->staffShape(staffIdx).translated(m1->pos())));
}
return dist;
}
//---------------------------------------------------------
// bottomDistance
//---------------------------------------------------------
qreal System::bottomDistance(int staffIdx, const Shape& s) const
{
qreal dist = -1000000.0;
for (MeasureBase* mb1 : ml) {
if (!mb1->isMeasure())
continue;
Measure* m1 = toMeasure(mb1);
dist = qMax(dist, m1->staffShape(staffIdx).translated(m1->pos()).minVerticalDistance(s));
}
return dist;
}
//---------------------------------------------------------
// minTop
// Return the minimum top margin.
//---------------------------------------------------------
qreal System::minTop() const
{
qreal dist = 0.0;
for (MeasureBase* mb : ml) {
if (mb->type() != Element::Type::MEASURE)
continue;
for (Segment* s = static_cast<Measure*>(mb)->first(); s; s = s->next())
dist = qMin(dist, s->staffShape(0).top());
}
return dist;
}
//---------------------------------------------------------
// minBottom
// Return the minimum bottom margin.
//---------------------------------------------------------
qreal System::minBottom() const
{
qreal dist = 0.0;
int staffIdx = score()->nstaves() - 1;
for (MeasureBase* mb : ml) {
if (mb->type() != Element::Type::MEASURE)
continue;
for (Segment* s = static_cast<Measure*>(mb)->first(); s; s = s->next())
dist = qMax(dist, s->staffShape(staffIdx).bottom());
}
return dist - spatium() * 4;
}
//---------------------------------------------------------
// moveBracket
//---------------------------------------------------------
void System::moveBracket(int staffIdx, int srcCol, int dstCol)
{
if (vbox())
return;
for (Bracket* b : _brackets) {
if (b->staffIdx() == staffIdx && b->level() == srcCol)
b->setLevel(dstCol);
}
}
//---------------------------------------------------------
// pageBreak
//---------------------------------------------------------
bool System::pageBreak() const
{
return ml.back()->pageBreak();
}
//---------------------------------------------------------
// endTick
//---------------------------------------------------------
int System::endTick() const
{
return measures().back()->endTick();
}
}