MuseScore/libmscore/system.cpp
luz.paz f31624d746 fix various typos
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2019-12-19 06:13:30 -05:00

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//=============================================================================
// 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"
#include "stafflines.h"
#include "bracketItem.h"
namespace Ms {
//---------------------------------------------------------
// ~SysStaff
//---------------------------------------------------------
SysStaff::~SysStaff()
{
qDeleteAll(instrumentNames);
}
//---------------------------------------------------------
// System
//---------------------------------------------------------
System::System(Score* s)
: Element(s)
{
}
//---------------------------------------------------------
// ~System
//---------------------------------------------------------
System::~System()
{
for (SpannerSegment* ss : spannerSegments()) {
if (ss->system() == this)
ss->setParent(nullptr);
}
for (MeasureBase* mb : measures()) {
if (mb->system() == this)
mb->setSystem(nullptr);
}
qDeleteAll(_staves);
qDeleteAll(_brackets);
delete _systemDividerLeft;
delete _systemDividerRight;
}
//---------------------------------------------------------
/// clear
/// Clear layout of System
//---------------------------------------------------------
void System::clear()
{
for (MeasureBase* mb : measures()) {
if (mb->system() == this)
mb->setSystem(nullptr);
}
ml.clear();
for (SpannerSegment* ss : _spannerSegments) {
if (ss->system() == this)
ss->setParent(0); // assume parent() is System
}
_spannerSegments.clear();
// _systemDividers are reused
}
//---------------------------------------------------------
// appendMeasure
//---------------------------------------------------------
void System::appendMeasure(MeasureBase* mb)
{
Q_ASSERT(!mb->isMeasure() || !(score()->styleB(Sid::createMultiMeasureRests) && toMeasure(mb)->hasMMRest()));
mb->setSystem(this);
ml.push_back(mb);
}
//---------------------------------------------------------
// removeMeasure
//---------------------------------------------------------
void System::removeMeasure(MeasureBase* mb)
{
ml.erase(std::remove(ml.begin(), ml.end(), mb), ml.end());
if (mb->system() == this)
mb->setSystem(nullptr);
}
//---------------------------------------------------------
// removeLastMeasure
//---------------------------------------------------------
void System::removeLastMeasure()
{
if (ml.empty())
return;
MeasureBase* mb = ml.back();
ml.pop_back();
if (mb->system() == this)
mb->setSystem(nullptr);
}
//---------------------------------------------------------
// vbox
// a system can only contain one vertical frame
//---------------------------------------------------------
Box* System::vbox() const
{
if (!ml.empty()) {
if (ml[0]->isVBox() || ml[0]->isTBox())
return toBox(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);
}
//---------------------------------------------------------
// adjustStavesNumber
//---------------------------------------------------------
void System::adjustStavesNumber(int nstaves)
{
for (int i = _staves.size(); i < nstaves; ++i)
insertStaff(i);
const int dn = _staves.size() - nstaves;
for (int i = 0; i < dn; ++i)
removeStaff(_staves.size() - 1);
}
//---------------------------------------------------------
// layoutSystem
/// Layout the 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 columns = getBracketsColumnsCount();
#if (!defined (_MSCVER) && !defined (_MSC_VER))
qreal bracketWidth[columns];
#else
// MSVC does not support VLA. Replace with std::vector. If profiling determines that the
// heap allocation is slow, an optimization might be used.
std::vector<qreal> bracketWidth(columns);
#endif
for (int i = 0; i < columns; ++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 < columns; ++i) {
for (auto bi : s->brackets()) {
if (bi->column() != i || bi->bracketType() == BracketType::NO_BRACKET)
continue;
Bracket* b = createBracket(bi, i, staffIdx, bl, this->firstMeasure());
if (b != nullptr) bracketWidth[i] = qMax(bracketWidth[i], b->width());
}
}
if (!staff(staffIdx)->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(Sid::bracketDistance);
if (!_brackets.empty()) {
for (int w : bracketWidth)
_leftMargin += w + 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(Fraction(0,1)); // ??? TODO
int staffLines = staff->lines(Fraction(0,1));
if (staffLines == 1) {
qreal h = staff->lineDistance(Fraction(0,1)) * staffMag * spatium();
s->bbox().setRect(_leftMargin + xo1, -h, 0.0, 2 * h);
}
else {
qreal h = (staffLines - 1) * staff->lineDistance(Fraction(0,1));
h = h * staffMag * spatium();
s->bbox().setRect(_leftMargin + xo1, 0.0, 0.0, h);
}
}
//---------------------------------------------------
// layout brackets
//---------------------------------------------------
setBracketsXPosition(xo1 + _leftMargin);
//---------------------------------------------------
// 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 (int(t->align()) & int(Align::HMASK)) {
case int(Align::LEFT):
t->rxpos() = 0;
break;
case int(Align::HCENTER):
t->rxpos() = (xoff2 - point(instrumentNameOffset) + xo1) * .5;
break;
case int(Align::RIGHT):
default:
t->rxpos() = xoff2 - point(instrumentNameOffset) + xo1;
break;
}
// t->rxpos() += t->offset(t->spatium()).x();
}
}
idx += p->nstaves();
}
}
//---------------------------------------------------------
// addBrackets
// Add brackets in front of this measure, typically behind a HBox
//---------------------------------------------------------
void System::addBrackets(Measure* measure)
{
if (_staves.empty()) // ignore vbox
return;
int nstaves = _staves.size();
//---------------------------------------------------
// find x position of staves
// create brackets
//---------------------------------------------------
int columns = getBracketsColumnsCount();
QList<Bracket*> bl;
bl.swap(_brackets);
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* s = score()->staff(staffIdx);
for (int i = 0; i < columns; ++i) {
for (auto bi : s->brackets()) {
if (bi->column() != i || bi->bracketType() == BracketType::NO_BRACKET)
continue;
createBracket(bi, i, staffIdx, bl, measure);
}
}
if (!staff(staffIdx)->show())
continue;
}
//---------------------------------------------------
// layout brackets
//---------------------------------------------------
setBracketsXPosition(measure->x());
_brackets.append(bl);
}
//---------------------------------------------------------
// createBracket
// Create a bracket if it spans more then one visible system
// If measure is NULL adds the bracket in front of the system, else in front of the measure.
// Returns the bracket if it got created, else NULL
//---------------------------------------------------------
Bracket* System::createBracket(Ms::BracketItem* bi, int column, int staffIdx, QList<Ms::Bracket *>& bl, Measure* measure)
{
int nstaves = _staves.size();
int firstStaff = staffIdx;
int lastStaff = staffIdx + bi->bracketSpan() - 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) || (bi->bracketSpan() == 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]->column() == column && bl[k]->bracketType() == bi->bracketType() && bl[k]->measure() == measure) {
b = bl.takeAt(k);
break;
}
}
if (b == 0) {
b = new Bracket(score());
b->setBracketItem(bi);
b->setGenerated(true);
b->setTrack(track);
b->setMeasure(measure);
}
add(b);
b->setStaffSpan(firstStaff, lastStaff);
return b;
}
return nullptr;
}
int System::getBracketsColumnsCount()
{
int columns = 0;
int nstaves = _staves.size();
for (int idx = 0; idx < nstaves; ++idx) {
for (auto bi : score()->staff(idx)->brackets())
columns = qMax(columns, bi->column() + 1);
}
return columns;
}
void System::setBracketsXPosition(const qreal xPosition)
{
qreal bracketDistance = score()->styleP(Sid::bracketDistance);
for (Bracket* b1 : _brackets) {
qreal xOffset = 0;
for (const Bracket* b2 : _brackets) {
bool b1FirstStaffInB2 = (b1->firstStaff() >= b2->firstStaff() && b1->firstStaff() <= b2->lastStaff());
bool b1LastStaffInB2 = (b1->lastStaff() >= b2->firstStaff() && b1->lastStaff() <= b2->lastStaff());
if (b1->column() > b2->column() &&
(b1FirstStaffInB2 || b1LastStaffInB2))
xOffset += b2->width() + bracketDistance;
}
b1->rxpos() = xPosition - xOffset - b1->width();
}
}
//---------------------------------------------------------
// nextVisibleStaff
//---------------------------------------------------------
int System::nextVisibleStaff(int staffIdx) const
{
int i;
for (i = staffIdx + 1; i < _staves.size(); ++i) {
Staff* s = score()->staff(i);
SysStaff* ss = _staves[i];
if (s->show() && ss->show())
break;
}
return i;
}
//---------------------------------------------------------
// firstVisibleStaff
//---------------------------------------------------------
int System::firstVisibleStaff() const
{
return nextVisibleStaff(-1);
}
//---------------------------------------------------------
// layout2
// called after measure layout
// adjusts staff distance
//---------------------------------------------------------
void System::layout2()
{
Box* vb = vbox();
if (vb) {
vb->layout();
setbbox(vb->bbox());
return;
}
setPos(0.0, 0.0);
QList<std::pair<int,SysStaff*>> visibleStaves;
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));
else
ss->setbbox(QRectF()); // already done in layout() ?
}
qreal _spatium = spatium();
qreal y = 0.0;
qreal minVerticalDistance = score()->styleP(Sid::minVerticalDistance);
qreal staffDistance = score()->styleP(Sid::staffDistance);
qreal akkoladeDistance = score()->styleP(Sid::akkoladeDistance);
if (visibleStaves.empty()) {
qDebug("====no visible staves, staves %d, score staves %d", _staves.size(), score()->nstaves());
return;
}
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(0) == 1 ? _spatium * staff->mag(0) : 0.0);
ss->setYOff(0.0);
ss->bbox().setRect(_leftMargin, y, width() - _leftMargin, h);
break;
}
int si2 = ni->first;
Staff* staff2 = score()->staff(si2);
qreal dist = h;
#if 1
if (staff->part() == staff2->part()) {
Measure* m = firstMeasure();
qreal mag = m ? staff->mag(m->tick()) : 1.0;
dist += akkoladeDistance * mag;
}
else {
dist += staffDistance;
}
#else
// TODO: provide style setting or brace property to allow braces to also define a grand staff
switch (staff2->innerBracket()) {
case BracketType::BRACE:
dist += akkoladeDistance;
break;
case BracketType::NORMAL:
case BracketType::SQUARE:
case BracketType::LINE:
case BracketType::NO_BRACKET:
dist += staffDistance;
break;
}
#endif
dist += staff2->userDist();
#if 0
for (MeasureBase* mb : ml) {
if (!mb->isMeasure())
continue;
Measure* m = toMeasure(mb);
Shape& s1 = m->staffShape(si1);
Shape& s2 = m->staffShape(si2);
qreal d = score()->lineMode() ? 0.0 : s1.minVerticalDistance(s2);
dist = qMax(dist, d + minVerticalDistance);
Spacer* sp = m->vspacerDown(si1);
if (sp) {
if (sp->spacerType() == SpacerType::FIXED) {
dist = staff->height() + sp->gap();
break;
}
else
dist = qMax(dist, staff->height() + sp->gap());
}
sp = m->vspacerUp(si2);
if (sp)
dist = qMax(dist, sp->gap());
}
#else
bool fixedSpace = false;
for (MeasureBase* mb : ml) {
if (!mb->isMeasure())
continue;
Measure* m = toMeasure(mb);
Spacer* sp = m->vspacerDown(si1);
if (sp) {
if (sp->spacerType() == SpacerType::FIXED) {
dist = staff->height() + sp->gap();
fixedSpace = true;
break;
}
else
dist = qMax(dist, staff->height() + sp->gap());
}
sp = m->vspacerUp(si2);
if (sp)
dist = qMax(dist, sp->gap() + h);
}
if (!fixedSpace) {
qreal d = score()->lineMode() ? 0.0 : ss->skyline().minDistance(System::staff(si2)->skyline());
dist = qMax(dist, d + minVerticalDistance);
}
#endif
// ss->setYOff(staff->lines(0) == 1 ? _spatium * staff->mag(0) : 0.0);
ss->setYOff(0.0);
ss->bbox().setRect(_leftMargin, y, width() - _leftMargin, h);
y += dist;
}
qreal systemHeight = staff(visibleStaves.back().first)->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());
}
//---------------------------------------------------
// 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;
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* s3 = staff(i);
if (s3->show()) {
s2 = s3;
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->offset().y();
}
}
staffIdx += nstaves;
}
//---------------------------------------------------
// layout cross-staff slurs and ties
//---------------------------------------------------
Fraction stick = measures().front()->tick();
Fraction etick = measures().back()->endTick();
auto spanners = score()->spannerMap().findOverlapping(stick.ticks(), etick.ticks());
std::vector<Spanner*> spanner;
for (auto interval : spanners) {
Spanner* sp = interval.value;
if (sp->tick() < etick && sp->tick2() >= stick) {
if (sp->isSlur()) {
ChordRest* scr = sp->startCR();
ChordRest* ecr = sp->endCR();
int idx = sp->vStaffIdx();
if (scr && ecr && (scr->vStaffIdx() != idx || ecr->vStaffIdx() != idx))
sp->layoutSystem(this);
}
}
}
}
//---------------------------------------------------------
// setInstrumentNames
//---------------------------------------------------------
void System::setInstrumentNames(bool longName, Fraction tick)
{
//
// 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(Sid::hideInstrumentNameIfOneInstrument) && score()->parts().size() == 1)) {
for (SysStaff* staff : _staves) {
foreach (InstrumentName* t, staff->instrumentNames)
score()->removeElement(t);
}
return;
}
int staffIdx = 0;
for (SysStaff* staff : _staves) {
Staff* s = score()->staff(staffIdx);
if (!s->isTop() || !s->show()) {
for (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;
for (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);
iname->setLayoutPos(sn.pos());
score()->addElement(iname);
}
iname->setXmlText(sn.name());
++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 ElementType::INSTRUMENT_NAME:
// qDebug(" staffIdx %d, staves %d", el->staffIdx(), _staves.size());
_staves[el->staffIdx()]->instrumentNames.append(toInstrumentName(el));
break;
case ElementType::BEAM:
score()->addElement(el);
break;
case ElementType::BRACKET: {
Bracket* b = toBracket(el);
#if 0
int staffIdx = b->staffIdx();
int column = b->column();
if (column == -1) {
column = 0;
for (const Bracket* bb : _brackets) {
if (staffIdx >= bb->firstStaff() && staffIdx <= bb->lastStaff())
++column;
}
// b->setLevel(column);
// b->setSpan(1);
}
// b->staff()->setBracket(column, b->bracketType());
// b->staff()->setBracketSpan(column, b->span());
#endif
_brackets.append(b);
}
break;
case ElementType::MEASURE:
case ElementType::HBOX:
case ElementType::VBOX:
case ElementType::TBOX:
case ElementType::FBOX:
score()->addElement(el);
break;
case ElementType::TEXTLINE_SEGMENT:
case ElementType::HAIRPIN_SEGMENT:
case ElementType::OTTAVA_SEGMENT:
case ElementType::TRILL_SEGMENT:
case ElementType::VIBRATO_SEGMENT:
case ElementType::VOLTA_SEGMENT:
case ElementType::SLUR_SEGMENT:
case ElementType::TIE_SEGMENT:
case ElementType::PEDAL_SEGMENT:
case ElementType::LYRICSLINE_SEGMENT:
case ElementType::GLISSANDO_SEGMENT:
case ElementType::LET_RING_SEGMENT:
case ElementType::PALM_MUTE_SEGMENT:
{
SpannerSegment* ss = toSpannerSegment(el);
#ifndef NDEBUG
if (_spannerSegments.contains(ss))
qDebug("System::add() %s %p already there", ss->name(), ss);
else
#endif
_spannerSegments.append(ss);
}
break;
case ElementType::SYSTEM_DIVIDER:
{
SystemDivider* sd = toSystemDivider(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 ElementType::INSTRUMENT_NAME:
_staves[el->staffIdx()]->instrumentNames.removeOne(toInstrumentName(el));
break;
case ElementType::BEAM:
score()->removeElement(el);
break;
case ElementType::BRACKET:
{
Bracket* b = toBracket(el);
if (!_brackets.removeOne(b))
qDebug("System::remove: bracket not found");
}
break;
case ElementType::MEASURE:
case ElementType::HBOX:
case ElementType::VBOX:
case ElementType::TBOX:
case ElementType::FBOX:
score()->removeElement(el);
break;
case ElementType::TEXTLINE_SEGMENT:
case ElementType::HAIRPIN_SEGMENT:
case ElementType::OTTAVA_SEGMENT:
case ElementType::TRILL_SEGMENT:
case ElementType::VIBRATO_SEGMENT:
case ElementType::VOLTA_SEGMENT:
case ElementType::SLUR_SEGMENT:
case ElementType::TIE_SEGMENT:
case ElementType::PEDAL_SEGMENT:
case ElementType::LYRICSLINE_SEGMENT:
case ElementType::GLISSANDO_SEGMENT:
if (!_spannerSegments.removeOne(toSpannerSegment(el))) {
qDebug("System::remove: %p(%s) not found, score %p", el, el->name(), score());
Q_ASSERT(score() == el->score());
}
break;
case ElementType::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
//---------------------------------------------------------
Fraction System::snap(const Fraction& tick, const QPointF p) const
{
for (const MeasureBase* m : ml) {
if (p.x() < m->x() + m->width())
return toMeasure(m)->snap(tick, p - m->pos()); //TODO: MeasureBase
}
return toMeasure(ml.back())->snap(tick, p-pos()); //TODO: MeasureBase
}
//---------------------------------------------------------
// snap
//---------------------------------------------------------
Fraction System::snapNote(const Fraction& tick, const QPointF p, int staff) const
{
for (const MeasureBase* m : ml) {
if (p.x() < m->x() + m->width())
return toMeasure(m)->snapNote(tick, p - m->pos(), staff); //TODO: MeasureBase
}
return toMeasure(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;
}
//---------------------------------------------------------
// nextMeasure
//---------------------------------------------------------
MeasureBase* System::nextMeasure(const MeasureBase* m) const
{
if (m == ml.back())
return 0;
MeasureBase* nm = m->next();
if (nm->isMeasure() && score()->styleB(Sid::createMultiMeasureRests) && toMeasure(nm)->hasMMRest())
nm = toMeasure(nm)->mmRest();
return nm;
}
//---------------------------------------------------------
// 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->isChordRest()) {
ChordRest* cr = toChordRest(se);
Measure* m = cr->measure();
v1 = m->visible(cr->staffIdx());
}
bool v2 = true;
if (!v1 && ee && ee->isChordRest()) {
ChordRest* cr = toChordRest(ee);
Measure* m = cr->measure();
v2 = m->visible(cr->staffIdx());
}
v = v1 || v2; // hide spanner if both chords are hidden
}
if (all || (score()->staff(staffIdx)->show() && _staves[staffIdx]->show() && v) || spanner->isVolta())
ss->scanElements(data, func, all);
}
}
//---------------------------------------------------------
// staffYpage
// return page coordinates
//---------------------------------------------------------
qreal System::staffYpage(int staffIdx) const
{
if (_staves.size() <= staffIdx || staffIdx < 0) {
qFatal("staffY: staves %d: bad staffIdx %d", _staves.size(), staffIdx);
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(XmlWriter& xml) const
{
xml.stag(this);
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();
}
}
//---------------------------------------------------------
// nextSegmentElement
//---------------------------------------------------------
Element* System::nextSegmentElement()
{
Measure* m = firstMeasure();
if (m) {
Segment* firstSeg = m->segments().first();
if (firstSeg)
return firstSeg->element(0);
}
return score()->lastElement();
}
//---------------------------------------------------------
// prevSegmentElement
//---------------------------------------------------------
Element* System::prevSegmentElement()
{
Segment* seg = firstMeasure()->first();
Element* re = 0;
while (!re) {
seg = seg->prev1MM();
if (!seg)
return score()->firstElement();
if (seg->segmentType() == SegmentType::EndBarLine)
score()->inputState().setTrack((score()->staves().size() - 1) * VOICES); //correction
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
{
if (vbox() && !s2->vbox())
return qMax(vbox()->bottomGap(), s2->minTop());
else if (!vbox() && s2->vbox())
return qMax(s2->vbox()->topGap(), minBottom());
else if (vbox() && s2->vbox())
return s2->vbox()->topGap() + vbox()->bottomGap();
qreal minVerticalDistance = score()->styleP(Sid::minVerticalDistance);
qreal dist = score()->styleP(Sid::minSystemDistance);
int firstStaff;
int lastStaff;
for (firstStaff = 0; firstStaff < _staves.size()-1; ++firstStaff) {
if (score()->staff(firstStaff)->show() && s2->staff(firstStaff)->show())
break;
}
for (lastStaff = _staves.size() -1; lastStaff > 0; --lastStaff) {
if (score()->staff(lastStaff)->show() && staff(lastStaff)->show())
break;
}
dist = qMax(dist, score()->staff(firstStaff)->userDist());
fixedDownDistance = false;
for (MeasureBase* mb1 : ml) {
if (mb1->isMeasure()) {
Measure* m = toMeasure(mb1);
Spacer* sp = m->vspacerDown(lastStaff);
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);
Spacer* sp = m->vspacerUp(firstStaff);
if (sp)
dist = qMax(dist, sp->gap());
}
}
qreal sld = staff(lastStaff)->skyline().minDistance(s2->staff(firstStaff)->skyline());
sld -= staff(lastStaff)->bbox().height() - minVerticalDistance;
dist = qMax(dist, sld);
// dist = dist - staff(lastStaff)->bbox().height() + minVerticalDistance;
}
return dist;
}
//---------------------------------------------------------
// topDistance
// return minimum distance to the above south skyline
//---------------------------------------------------------
qreal System::topDistance(int staffIdx, const SkylineLine& s) const
{
Q_ASSERT(!vbox());
Q_ASSERT(!s.isNorth());
if (score()->lineMode())
return 0.0;
return s.minDistance(staff(staffIdx)->skyline().north());
}
//---------------------------------------------------------
// bottomDistance
//---------------------------------------------------------
qreal System::bottomDistance(int staffIdx, const SkylineLine& s) const
{
Q_ASSERT(!vbox());
Q_ASSERT(s.isNorth());
if (score()->lineMode())
return 0.0;
return staff(staffIdx)->skyline().south().minDistance(s);
}
//---------------------------------------------------------
// firstVisibleSysStaff
//---------------------------------------------------------
int System::firstVisibleSysStaff() const
{
int nstaves = _staves.size();
for (int i = 0; i < nstaves; ++i) {
if (_staves[i]->show())
return i;
}
qDebug("no sys staff");
return -1;
}
//---------------------------------------------------------
// lastVisibleSysStaff
//---------------------------------------------------------
int System::lastVisibleSysStaff() const
{
int nstaves = _staves.size();
for (int i = nstaves - 1; i >= 0; --i) {
if (_staves[i]->show())
return i;
}
qDebug("no sys staff");
return -1;
}
//---------------------------------------------------------
// minTop
// Return the minimum top margin.
//---------------------------------------------------------
qreal System::minTop() const
{
int si = firstVisibleSysStaff();
SysStaff* s = si < 0 ? nullptr : staff(si);
if (s)
return -s->skyline().north().max();
return 0.0;
}
//---------------------------------------------------------
// minBottom
// Return the minimum bottom margin.
//---------------------------------------------------------
qreal System::minBottom() const
{
if (vbox())
return vbox()->bottomGap();
int si = lastVisibleSysStaff();
SysStaff* s = si < 0 ? nullptr : staff(si);
if (s)
return s->skyline().south().max() - s->bbox().height();
return 0.0;
}
//---------------------------------------------------------
// spacerDistance
// Return the distance needed due to spacers
//---------------------------------------------------------
qreal System::spacerDistance(bool up) const
{
int staff = up ? firstVisibleSysStaff() : lastVisibleSysStaff();
if (staff < 0)
return 0.0;
qreal dist = 0.0;
for (MeasureBase* mb : measures()) {
if (mb->isMeasure()) {
Measure* m = toMeasure(mb);
Spacer* sp = up ? m->vspacerUp(staff) : m->vspacerDown(staff);
if (sp) {
if (sp->spacerType() == SpacerType::FIXED) {
dist = sp->gap();
break;
}
else
dist = qMax(dist, sp->gap());
}
}
}
return dist;
}
//---------------------------------------------------------
// moveBracket
//---------------------------------------------------------
void System::moveBracket(int /*staffIdx*/, int /*srcCol*/, int /*dstCol*/)
{
#if 0
printf("System::moveBracket\n");
if (vbox())
return;
for (Bracket* b : _brackets) {
if (b->staffIdx() == staffIdx && b->column() == srcCol)
b->setLevel(dstCol);
}
#endif
}
//---------------------------------------------------------
// pageBreak
//---------------------------------------------------------
bool System::pageBreak() const
{
return ml.empty() ? false : ml.back()->pageBreak();
}
//---------------------------------------------------------
// endTick
//---------------------------------------------------------
Fraction System::endTick() const
{
return measures().back()->endTick();
}
}