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|
//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2012 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 "line.h"
#include "barline.h"
#include "chord.h"
#include "lyrics.h"
#include "measure.h"
#include "note.h"
#include "part.h"
#include "score.h"
#include "segment.h"
#include "staff.h"
#include "sym.h"
#include "system.h"
#include "textline.h"
#include "utils.h"
#include "xml.h"
namespace Ms {
//---------------------------------------------------------
// LineSegment
//---------------------------------------------------------
LineSegment::LineSegment(const LineSegment& s)
: SpannerSegment(s)
{
}
//---------------------------------------------------------
// startEdit
//---------------------------------------------------------
void LineSegment::startEdit(EditData& ed)
{
ed.grips = 3;
ed.curGrip = Grip::END;
Element::startEdit(ed);
}
//---------------------------------------------------------
// readProperties
//---------------------------------------------------------
bool LineSegment::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "subtype")
setSpannerSegmentType(SpannerSegmentType(e.readInt()));
else if (tag == "off2") {
setUserOff2(e.readPoint() * score()->spatium());
}
/* else if (tag == "pos") {
setOffset(QPointF());
e.readNext();
}
*/
else if (!SpannerSegment::readProperties(e)) {
e.unknown();
return false;
}
return true;
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void LineSegment::read(XmlReader& e)
{
while (e.readNextStartElement())
readProperties(e);
}
//---------------------------------------------------------
// updateGrips
//---------------------------------------------------------
void LineSegment::updateGrips(EditData& ed) const
{
QPointF pp(pagePos());
ed.grip[int(Grip::START)].translate(pp);
ed.grip[int(Grip::END)].translate(pos2() + pp);
ed.grip[int(Grip::MIDDLE)].translate(pos2() * .5 + pp);
}
//---------------------------------------------------------
// gripAnchor
// return page coordinates
//---------------------------------------------------------
QPointF LineSegment::gripAnchor(Grip grip) const
{
// Middle or aperture grip have no anchor
if (!system() || grip == Grip::MIDDLE || grip == Grip::APERTURE)
return QPointF(0, 0);
// note-anchored spanners are relative to the system
qreal y = spanner()->anchor() == Spanner::Anchor::NOTE ?
system()->pos().y() : system()->staffYpage(staffIdx());
if (isMiddleType()) {
qreal x;
switch (grip) {
case Grip::START:
x = system()->firstMeasure()->abbox().left();
break;
case Grip::END:
x = system()->lastMeasure()->abbox().right();
break;
default:
x = 0; // No Anchor
y = 0;
break;
}
return QPointF(x, y);
}
else {
if ((grip == Grip::END && isBeginType()) || (grip == Grip::START && isEndType()))
return QPointF(0, 0);
else {
System* s;
QPointF p(line()->linePos(grip, &s));
p.ry() += y - system()->pos().y();
if (s)
p += s->pos(); // to page coordinates
return p;
}
}
}
//---------------------------------------------------------
// startEditDrag
//---------------------------------------------------------
void LineSegment::startEditDrag(EditData& ed)
{
ElementEditData* eed = ed.getData(this);
eed->pushProperty(Pid::OFFSET);
eed->pushProperty(Pid::OFFSET2);
eed->pushProperty(Pid::AUTOPLACE);
if (ed.modifiers & Qt::AltModifier)
setAutoplace(false);
}
//---------------------------------------------------------
// edit
// return true if event is accepted
//---------------------------------------------------------
bool LineSegment::edit(EditData& ed)
{
if (!((ed.modifiers & Qt::ShiftModifier) && (isSingleType() || (isBeginType() && ed.curGrip == Grip::START)
|| (isEndType() && ed.curGrip == Grip::END))))
return false;
LineSegment* ls = 0;
SpannerSegmentType st = spannerSegmentType(); // may change later
SLine* l = line();
int track = l->track();
int track2 = l->track2(); // assumed to be same as track
switch (l->anchor()) {
case Spanner::Anchor::SEGMENT:
{
Segment* s1 = spanner()->startSegment();
Segment* s2 = spanner()->endSegment();
// check for line going to end of score
if (spanner()->tick2() >= score()->lastSegment()->tick()) {
// endSegment calculated above will be the last chord/rest of score
// but that is not correct - it should be an imaginary note *after* the end of the score
// best we can do is set s2 to lastSegment (probably the end barline)
s2 = score()->lastSegment();
}
if (!s1 && !s2) {
qDebug("LineSegment::edit: no start/end segment");
return true;
}
if (ed.key == Qt::Key_Left) {
if (ed.curGrip == Grip::START)
s1 = prevSeg1(s1, track);
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE)
s2 = prevSeg1(s2, track2);
}
else if (ed.key == Qt::Key_Right) {
if (ed.curGrip == Grip::START)
s1 = nextSeg1(s1, track);
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE) {
Segment* ns2 = nextSeg1(s2, track2);
if (ns2)
s2 = ns2;
else
s2 = score()->lastSegment();
}
}
if (s1 == 0 || s2 == 0 || s1->tick() >= s2->tick())
return true;
spanner()->undoChangeProperty(Pid::SPANNER_TICK, s1->tick());
spanner()->undoChangeProperty(Pid::SPANNER_TICKS, s2->tick() - s1->tick());
}
break;
case Spanner::Anchor::NOTE:
{
Note* note1 = toNote(l->startElement());
Note* note2 = toNote(l->endElement());
Note* oldNote1 = note1;
Note* oldNote2 = note2;
if (!note1 && !note2) {
qDebug("LineSegment::edit: no start/end note");
return true; // accept the event without doing anything
}
switch (ed.key) {
case Qt::Key_Left:
if (ed.curGrip == Grip::START)
note1 = prevChordNote(note1);
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE)
note2 = prevChordNote(note2);
break;
case Qt::Key_Right:
if (ed.curGrip == Grip::START)
note1 = nextChordNote(note1);
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE)
note2 = nextChordNote(note2);
break;
case Qt::Key_Up:
if (ed.curGrip == Grip::START)
note1 = toNote(score()->upAlt(note1));
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE)
note2 = toNote(score()->upAlt(note2));
break;
case Qt::Key_Down:
if (ed.curGrip == Grip::START)
note1 = toNote(score()->downAlt(note1));
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE)
note2 = toNote(score()->downAlt(note2));
break;
default:
return true;
}
// check prevChordNote() and nextchordNote() didn't return null
// OR Score::upAlt() and Score::downAlt() didn't return non-Note (notably rests)
// OR spanner duration is > 0
// OR note1 and note2 didn't end up in different instruments
// if this is the case, accepts the event and return without doing nothing
if (!note1 || !note2
|| !note1->isNote() || !note2->isNote()
|| note1->chord()->tick() >= note2->chord()->tick()
|| note1->chord()->staff()->part()->instrument(note1->chord()->tick())
!= note2->chord()->staff()->part()->instrument(note2->chord()->tick()) )
return true;
if (note1 != oldNote1 || note2 != oldNote2)
score()->undoChangeSpannerElements(spanner(), note1, note2);
}
break;
case Spanner::Anchor::MEASURE:
case Spanner::Anchor::CHORD:
{
Measure* m1 = l->startMeasure();
Measure* m2 = l->endMeasure();
if (ed.key == Qt::Key_Left) {
if (ed.curGrip == Grip::START) {
if (m1->prevMeasure())
m1 = m1->prevMeasure();
}
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE) {
Measure* m = m2->prevMeasure();
if (m)
m2 = m;
}
}
else if (ed.key == Qt::Key_Right) {
if (ed.curGrip == Grip::START) {
if (m1->nextMeasure())
m1 = m1->nextMeasure();
}
else if (ed.curGrip == Grip::END || ed.curGrip == Grip::MIDDLE) {
if (m2->nextMeasure())
m2 = m2->nextMeasure();
}
}
if (m1->tick() > m2->tick())
return true;
if (l->startElement() != m1) {
spanner()->undoChangeProperty(Pid::SPANNER_TICK, m1->tick());
spanner()->undoChangeProperty(Pid::SPANNER_TICKS, m2->endTick() - m1->tick());
}
else if (l->endElement() != m2) {
spanner()->undoChangeProperty(Pid::SPANNER_TICKS, m2->endTick() - m1->tick());
}
}
}
triggerLayout();
l->layout(); // recompute segment list, segment type may change
LineSegment* nls = 0;
if (st == SpannerSegmentType::SINGLE) {
if (ed.curGrip == Grip::START)
nls = l->frontSegment();
else if (ed.curGrip == Grip::END)
nls = l->backSegment();
}
else if (st == SpannerSegmentType::BEGIN)
nls = l->frontSegment();
else if (st == SpannerSegmentType::END)
nls = l->backSegment();
else
qDebug("spannerSegmentType %d", int(spannerSegmentType()));
if (nls && (nls != this))
ed.view->changeEditElement(nls);
if (ls)
score()->undoRemoveElement(ls);
triggerLayout();
return true;
}
//---------------------------------------------------------
// editDrag
//---------------------------------------------------------
void LineSegment::editDrag(EditData& ed)
{
// Only for resizing according to the diagonal properties
QPointF deltaResize(ed.delta.x(), line()->diagonal() ? ed.delta.y() : 0.0);
switch (ed.curGrip) {
case Grip::START: // Resize the begin of element (left grip)
setOffset(offset() + deltaResize);
_offset2 -= deltaResize;
break;
case Grip::END: // Resize the end of element (right grip)
_offset2 += deltaResize;
break;
case Grip::MIDDLE: { // Move the element (middle grip)
// Only for moving, no y limitation
QPointF deltaMove(ed.delta.x(), ed.delta.y());
setOffset(offset() + deltaMove);
setOffsetChanged(true);
}
break;
default:
break;
}
if (line()->anchor() == Spanner::Anchor::NOTE && ed.isStartEndGrip()) {
//
// if we touch a different note, change anchor
//
Element* e = ed.view->elementNear(ed.pos);
if (e && e->isNote()) {
SLine* l = line();
if (ed.curGrip == Grip::END && e != line()->endElement()) {
qDebug("LineSegment: move end anchor");
Note* noteOld = toNote(l->endElement());
Note* noteNew = toNote(e);
Note* sNote = toNote(l->startElement());
// do not change anchor if new note is before start note
if (sNote && sNote->chord() && noteNew->chord() && sNote->chord()->tick() < noteNew->chord()->tick()) {
score()->undoChangeSpannerElements(l, sNote, noteNew);
_offset2 += noteOld->canvasPos() - noteNew->canvasPos();
}
}
else if (ed.curGrip == Grip::START && e != l->startElement())
qDebug("LineSegment: move start anchor (not impl.)");
}
}
triggerLayout();
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void LineSegment::spatiumChanged(qreal ov, qreal nv)
{
Element::spatiumChanged(ov, nv);
_offset2 *= nv / ov;
}
//---------------------------------------------------------
// localSpatiumChanged
//---------------------------------------------------------
void LineSegment::localSpatiumChanged(qreal ov, qreal nv)
{
Element::localSpatiumChanged(ov, nv);
_offset2 *= nv / ov;
}
//---------------------------------------------------------
// propertyDelegate
//---------------------------------------------------------
Element* LineSegment::propertyDelegate(Pid pid)
{
if (pid == Pid::DIAGONAL
|| pid == Pid::COLOR
|| pid == Pid::LINE_WIDTH
|| pid == Pid::LINE_STYLE
|| pid == Pid::DASH_LINE_LEN
|| pid == Pid::DASH_GAP_LEN)
return spanner();
return SpannerSegment::propertyDelegate(pid);
}
//---------------------------------------------------------
// dragAnchor
//---------------------------------------------------------
QLineF LineSegment::dragAnchor() const
{
if (spannerSegmentType() != SpannerSegmentType::SINGLE && spannerSegmentType() != SpannerSegmentType::BEGIN)
return QLineF();
System* s;
QPointF p = line()->linePos(Grip::START, &s);
p += QPointF(s->canvasPos().x(), s->staffCanvasYpage(line()->staffIdx()));
return QLineF(p, canvasPos());
}
//---------------------------------------------------------
// SLine
//---------------------------------------------------------
SLine::SLine(Score* s, ElementFlags f)
: Spanner(s, f)
{
setTrack(0);
_lineWidth = 0.15 * spatium();
}
SLine::SLine(const SLine& s)
: Spanner(s)
{
_diagonal = s._diagonal;
_lineWidth = s._lineWidth;
_lineColor = s._lineColor;
_lineStyle = s._lineStyle;
_dashLineLen = s._dashLineLen;
_dashGapLen = s._dashGapLen;
}
//---------------------------------------------------------
// linePos
// Anchor::NOTE: return anchor note position in system coordinates
// Other: return (x position (relative to what?), 0)
//---------------------------------------------------------
QPointF SLine::linePos(Grip grip, System** sys) const
{
qreal x = 0.0;
qreal sp = staff()->spatium(tick());
switch (anchor()) {
case Spanner::Anchor::SEGMENT:
{
ChordRest* cr;
if (grip == Grip::START) {
cr = toChordRest(startElement());
if (cr && type() == ElementType::OTTAVA) {
// some sources say to center the text over the notehead
// others say to start the text just to left of notehead
// some say to include accidental, others don't
// our compromise - left align, but account for accidental
if (cr->durationType() == TDuration::DurationType::V_MEASURE && !cr->measure()->hasVoices(cr->staffIdx()))
x = cr->x(); // center for measure rests
//TODO else if (cr->spaceLw > 0.0)
// x = -cr->spaceLw; // account for accidentals, etc
}
}
else {
cr = toChordRest(endElement());
if (isOttava()) {
if (cr && cr->durationType() == TDuration::DurationType::V_MEASURE) {
x = cr->x() + cr->width() + sp;
}
else if (cr) {
// lay out just past right edge of all notes for this segment on this staff
Segment* s = cr->segment();
int startTrack = staffIdx() * VOICES;
int endTrack = startTrack + VOICES;
qreal width = 0.0;
// don’t consider full measure rests, which are centered
// (TODO: what if there is only a full measure rest?)
for (int track = startTrack; track < endTrack; ++track) {
ChordRest* cr1 = toChordRest(s->element(track));
if (!cr1)
continue;
if (cr1->isChord()) {
for (Note* n : toChord(cr1)->notes())
width = qMax(width, n->shape().right() + n->pos().x() + cr1->pos().x());
}
else if (cr1->isRest() && (cr1->actualDurationType() != TDuration::DurationType::V_MEASURE))
width = qMax(width, cr1->bbox().right() + cr1->pos().x());
}
x = width + sp;
// extend past chord/rest
// but don't overlap next chord/rest
bool crFound = false;
int n = staffIdx() * VOICES;
Segment* ns = s->next();
while (ns) {
for (int i = 0; i < VOICES; ++i) {
if (ns->element(n + i)) {
crFound = true;
break;
}
}
if (crFound)
break;
ns = ns->next();
}
if (crFound) {
qreal nextNoteDistance = ns->x() - s->x() + lineWidth();
if (x > nextNoteDistance)
x = qMax(width, nextNoteDistance);
}
}
}
else if (isLyricsLine() && toLyrics(parent())->ticks() > Fraction(0,1)) {
// melisma line
// it is possible CR won't be in correct track
// prefer element in current track if available
if (!cr)
qDebug("no end for lyricsline segment - start %d, ticks %d", tick().ticks(), ticks().ticks());
else if (cr->track() != track()) {
Element* e = cr->segment()->element(track());
if (e)
cr = toChordRest(e);
}
// layout to right edge of CR
bool extendToEnd = true; // extend to end or start element?
if (cr == toChordRest(startElement()))
extendToEnd = false;
else if (cr) {
// if next segment is a chord with lyrics which spans to the left
// then do not extend to the right edge of end element.
Segment* seg = cr->segment();
seg = seg->next(SegmentType::ChordRest);
if (seg) {
ChordRest* cr2 = seg->cr(cr->track());
if (cr2 && !cr2->lyrics().empty())
extendToEnd = false;
}
}
ChordRest* right = extendToEnd ? cr : toChordRest(startElement());
if (right) {
qreal maxRight = 0.0;
if (right->isChord()) {
// chord bbox() is unreliable, look at notes
// this also allows us to more easily ignore ledger lines
for (Note* n : toChord(right)->notes())
maxRight = qMax(maxRight, right->x() + n->x() + n->bboxRightPos());
}
else {
// rest - won't normally happen
maxRight = right->x() + right->width();
}
x = maxRight;
}
}
else if (isHairpin() || isTrill() || isVibrato() || isTextLine() || isLyricsLine()) {
// (for LYRICSLINE, this is hyphen; melisma line is handled above)
// lay out to just before next chordrest on this staff, or barline
// tick2 actually tells us the right chordrest to look for
if (cr && endElement()->parent() && endElement()->parent()->type() == ElementType::SEGMENT) {
qreal x2 = cr->x() /* TODO + cr->space().rw() */;
Segment* currentSeg = toSegment(endElement()->parent());
Segment* seg = score()->tick2segmentMM(tick2(), false, SegmentType::ChordRest);
if (!seg) {
// no end segment found, use measure width
x2 = endElement()->parent()->parent()->width() - sp;
}
else if (currentSeg->measure() == seg->measure()) {
// next chordrest found in same measure;
// end line 1sp to left
x2 = qMax(x2, seg->x() - sp);
}
else {
// next chordrest is in next measure
// lay out to end (barline) of current measure instead
seg = currentSeg->next(SegmentType::EndBarLine);
if (!seg)
seg = currentSeg->measure()->last();
// allow lyrics hyphen to extend to barline
// other lines stop 1sp short
qreal gap = (type() == ElementType::LYRICSLINE) ? 0.0 : sp;
qreal x3 = seg->enabled() ? seg->x() : seg->measure()->width();
x2 = qMax(x2, x3 - gap);
}
x = x2 - endElement()->parent()->x();
}
}
}
Fraction t = grip == Grip::START ? tick() : tick2();
Measure* m = cr ? cr->measure() : score()->tick2measure(t);
if (m) {
x += cr ? cr->segment()->pos().x() + m->pos().x() : m->tick2pos(t);
*sys = m->system();
}
else
*sys = 0;
}
break;
case Spanner::Anchor::MEASURE:
{
// anchor() == Anchor::MEASURE
const Measure* m;
if (grip == Grip::START) {
m = startMeasure();
// start after clef/keysig/timesig/barline
qreal offset = 0.0;
Segment* s = m->first(SegmentType::ChordRest);
if (s) {
s = s->prev();
if (s && s->enabled()) {
offset = s->x();
Element* e = s->element(staffIdx() * VOICES);
if (e)
offset += e->width();
}
}
x = m->pos().x() + offset;
if (score()->styleB(Sid::createMultiMeasureRests) && m->hasMMRest()) {
x = m->mmRest()->pos().x();
}
}
else {
qreal _spatium = spatium();
if (score()->styleB(Sid::createMultiMeasureRests)) {
// find the actual measure where the volta should stop
m = startMeasure();
if (m->hasMMRest())
m = m->mmRest();
while (m->nextMeasureMM() && (m->endTick() < tick2()))
m = m->nextMeasureMM();
}
else {
m = endMeasure();
}
// back up to barline (skip courtesy elements)
Segment* seg = m->last();
while (seg && seg->segmentType() != SegmentType::EndBarLine)
seg = seg->prev();
if (!seg || !seg->enabled()) {
// no end bar line; look for BeginBarLine or StartRepeatBarLine of next measure
Measure* nm = m->nextMeasure();
if (nm->system() == m->system())
seg = nm->first(SegmentType::BeginBarLine|SegmentType::StartRepeatBarLine);
}
qreal mwidth = seg && seg->measure() == m ? seg->x() : m->bbox().right();
x = m->pos().x() + mwidth;
// align to barline
if (seg && (seg->segmentType() & SegmentType::BarLineType)) {
Element* e = seg->element(0);
if (e && e->type() == ElementType::BAR_LINE) {
BarLineType blt = toBarLine(e)->barLineType();
switch (blt) {
case BarLineType::END_REPEAT:
// skip dots
x += symWidth(SymId::repeatDot);
x += score()->styleS(Sid::endBarDistance).val() * _spatium;
// fall through
case BarLineType::DOUBLE:
// center on leftmost (thinner) barline
x += score()->styleS(Sid::doubleBarWidth).val() * _spatium * 0.5;
break;
case BarLineType::START_REPEAT:
// center on leftmost (thicker) barline
x += score()->styleS(Sid::endBarWidth).val() * _spatium * 0.5;
break;
default:
// center on barline
x += score()->styleS(Sid::barWidth).val() * _spatium * 0.5;
break;
}
}
}
}
if (score()->styleB(Sid::createMultiMeasureRests))
m = m->mmRest1();
Q_ASSERT(m->system());
*sys = m->system();
}
break;
case Spanner::Anchor::NOTE: {
Element* e = grip == Grip::START ? startElement() : endElement();
if (!e)
return QPointF();
Note* n = toNote(e);
System* s = n->chord()->segment()->system();
if (s == 0) {
qDebug("no system: %s start %s chord parent %s\n", name(), n->name(), n->chord()->parent()->name());
return QPointF();
}
*sys = s;
// return the position of the anchor note relative to the system
// QPointF elemPagePos = e->pagePos(); // DEBUG
// QPointF systPagePos = s->pagePos();
// qreal staffYPage = s->staffYpage(e->staffIdx());
QPointF p = n->pagePos() - s->pagePos();
if (!isGlissando())
p.rx() += n->headWidth() * 0.5;
return p;
}
case Spanner::Anchor::CHORD:
qFatal("Sline::linePos(): anchor not implemented");
break;
}
return QPointF(x, 0.0);
}
//---------------------------------------------------------
// layoutSystem
// layout spannersegment for system
//---------------------------------------------------------
SpannerSegment* SLine::layoutSystem(System* system)
{
Fraction stick = system->firstMeasure()->tick();
Fraction etick = system->lastMeasure()->endTick();
LineSegment* lineSegm = toLineSegment(getNextLayoutSystemSegment(system, [this]() { return createLineSegment(); }));
SpannerSegmentType sst;
if (tick() >= stick) {
//
// this is the first call to layoutSystem,
// processing the first line segment
//
computeStartElement();
computeEndElement();
sst = tick2() <= etick ? SpannerSegmentType::SINGLE : SpannerSegmentType::BEGIN;
}
else if (tick() < stick && tick2() > etick) {
sst = SpannerSegmentType::MIDDLE;
}
else {
//
// this is the last call to layoutSystem
// processing the last line segment
//
sst = SpannerSegmentType::END;
}
lineSegm->setSpannerSegmentType(sst);
switch (sst) {
case SpannerSegmentType::SINGLE: {
System* s;
QPointF p1 = linePos(Grip::START, &s);
QPointF p2 = linePos(Grip::END, &s);
qreal len = p2.x() - p1.x();
lineSegm->setPos(p1);
lineSegm->setPos2(QPointF(len, p2.y() - p1.y()));
}
break;
case SpannerSegmentType::BEGIN: {
System* s;
QPointF p1 = linePos(Grip::START, &s);
lineSegm->setPos(p1);
qreal x2 = system->bbox().right();
lineSegm->setPos2(QPointF(x2 - p1.x(), 0.0));
}
break;
case SpannerSegmentType::MIDDLE: {
Measure* firstMeasure = system->firstMeasure();
Segment* firstCRSeg = firstMeasure->first(SegmentType::ChordRest);
qreal x1 = (firstCRSeg ? firstCRSeg->pos().x() : 0) + firstMeasure->pos().x();
qreal x2 = system->bbox().right();
System* s;
QPointF p1 = linePos(Grip::START, &s);
lineSegm->setPos(QPointF(x1, p1.y()));
lineSegm->setPos2(QPointF(x2 - x1, 0.0));
}
break;
case SpannerSegmentType::END: {
qreal offset = 0.0;
System* s;
QPointF p2 = linePos(Grip::END, &s);
Measure* firstMeas = system->firstMeasure();
Segment* firstCRSeg = firstMeas->first(SegmentType::ChordRest);
if (anchor() == Anchor::SEGMENT || anchor() == Anchor::MEASURE) {
// start line just after previous element (eg, key signature)
firstCRSeg = firstCRSeg->prev();
Element* e = firstCRSeg ? firstCRSeg->element(staffIdx() * VOICES) : nullptr;
if (e)
offset = e->width();
}
qreal x1 = (firstCRSeg ? firstCRSeg->pos().x() : 0) + firstMeas->pos().x() + offset;
qreal len = p2.x() - x1;
lineSegm->setPos(QPointF(p2.x() - len, p2.y()));
lineSegm->setPos2(QPointF(len, 0.0));
}
break;
}
lineSegm->layout();
return lineSegm;
}
//---------------------------------------------------------
// layout
// compute segments from tick1 tick2
// (used for palette, edit mode, and layout of note lines and glissandi)
//---------------------------------------------------------
void SLine::layout()
{
if (score() == gscore || (tick() == Fraction(-1,1)) || (tick2() == Fraction::fromTicks(1))) {
//
// when used in a palette or while dragging from palette,
// SLine has no parent and
// tick and tick2 has no meaning so no layout is
// possible and needed
//
setLen(gscore->spatium() * 7);
if (!spannerSegments().empty()) {
LineSegment* lineSegm = frontSegment();
lineSegm->layout();
setbbox(lineSegm->bbox());
}
return;
}
computeStartElement();
computeEndElement();
System* s1;
System* s2;
QPointF p1(linePos(Grip::START, &s1));
QPointF p2(linePos(Grip::END, &s2));
const QList<System*>& systems = score()->systems();
int sysIdx1 = systems.indexOf(s1);
int sysIdx2 = systems.indexOf(s2);
int segmentsNeeded = 0;
if (sysIdx1 == -1 || sysIdx2 == -1)
return;
for (int i = sysIdx1; i <= sysIdx2; ++i) {
if (systems.at(i)->vbox())
continue;
++segmentsNeeded;
}
int segCount = int(spannerSegments().size());
if (segmentsNeeded != segCount) {
fixupSegments(segmentsNeeded, [this]() { return createLineSegment(); });
if (segmentsNeeded > segCount) {
for (int i = segCount; i < segmentsNeeded; ++i) {
LineSegment* lineSegm = segmentAt(i);
// set user offset to previous segment's offset
if (segCount > 0)
lineSegm->setOffset(QPointF(0, segmentAt(i-1)->offset().y()));
else
lineSegm->setOffset(QPointF(0, offset().y()));
}
}
}
int segIdx = 0;
for (int i = sysIdx1; i <= sysIdx2; ++i) {
System* system = systems.at(i);
if (system->vbox())
continue;
LineSegment* lineSegm = segmentAt(segIdx++);
lineSegm->setTrack(track()); // DEBUG
lineSegm->setSystem(system);
Measure* firstMeas = system->firstMeasure();
Segment* firstCRSeg = firstMeas->first(SegmentType::ChordRest);
if (sysIdx1 == sysIdx2) {
// single segment
lineSegm->setSpannerSegmentType(SpannerSegmentType::SINGLE);
qreal len = p2.x() - p1.x();
// enforcing a minimum length would be possible but inadvisable
// the line length calculations are tuned well enough that this should not be needed
//if (anchor() == Anchor::SEGMENT && type() != ElementType::PEDAL)
// len = qMax(1.0 * spatium(), len);
lineSegm->setPos(p1);
lineSegm->setPos2(QPointF(len, p2.y() - p1.y()));
}
else if (i == sysIdx1) {
// start segment
lineSegm->setSpannerSegmentType(SpannerSegmentType::BEGIN);
lineSegm->setPos(p1);
qreal x2 = system->bbox().right();
lineSegm->setPos2(QPointF(x2 - p1.x(), 0.0));
}
else if (i > 0 && i != sysIdx2) {
// middle segment
lineSegm->setSpannerSegmentType(SpannerSegmentType::MIDDLE);
qreal x1 = (firstCRSeg ? firstCRSeg->pos().x() : 0) + firstMeas->pos().x();
qreal x2 = system->bbox().right();
lineSegm->setPos(QPointF(x1, p1.y()));
lineSegm->setPos2(QPointF(x2 - x1, 0.0));
}
else if (i == sysIdx2) {
// end segment
qreal offset = 0.0;
qreal minLen = 0.0;
if (anchor() == Anchor::SEGMENT || anchor() == Anchor::MEASURE) {
// start line just after previous element (eg, key signature)
firstCRSeg = firstCRSeg->prev();
Element* e = firstCRSeg ? firstCRSeg->element(staffIdx() * VOICES) : nullptr;
if (e)
offset = e->width();
// enforcing a minimum length would be possible but inadvisable
// the line length calculations are tuned well enough that this should not be needed
//if (type() != ElementType::PEDAL)
// minLen = 1.0 * spatium();
}
qreal x1 = (firstCRSeg ? firstCRSeg->pos().x() : 0) + firstMeas->pos().x() + offset;
qreal len = qMax(minLen, p2.x() - x1);
lineSegm->setSpannerSegmentType(SpannerSegmentType::END);
lineSegm->setPos(QPointF(p2.x() - len, p2.y()));
lineSegm->setPos2(QPointF(len, 0.0));
}
lineSegm->layout();
}
}
//---------------------------------------------------------
// writeProperties
// write properties different from prototype
//---------------------------------------------------------
void SLine::writeProperties(XmlWriter& xml) const
{
if (!endElement()) {
((Spanner*)this)->computeEndElement(); // HACK
if (!endElement())
xml.tag("ticks", ticks());
}
Spanner::writeProperties(xml);
if (_diagonal)
xml.tag("diagonal", _diagonal);
writeProperty(xml, Pid::LINE_WIDTH);
writeProperty(xml, Pid::LINE_STYLE);
writeProperty(xml, Pid::COLOR);
writeProperty(xml, Pid::ANCHOR);
writeProperty(xml, Pid::DASH_LINE_LEN);
writeProperty(xml, Pid::DASH_GAP_LEN);
if (score() == gscore) {
// when used as icon
if (!spannerSegments().empty()) {
const LineSegment* s = frontSegment();
xml.tag("length", s->pos2().x());
}
else
xml.tag("length", spatium() * 4);
return;
}
//
// check if user has modified the default layout
//
bool modified = false;
for (const SpannerSegment* seg : spannerSegments()) {
if (!seg->autoplace() || !seg->visible() ||
(!seg->isStyled(Pid::OFFSET) && (!seg->offset().isNull() || !seg->userOff2().isNull()))) {
modified = true;
break;
}
}
if (!modified)
return;
//
// write user modified layout and other segment properties
//
qreal _spatium = score()->spatium();
for (const SpannerSegment* seg : spannerSegments()) {
xml.stag("Segment", seg);
xml.tag("subtype", int(seg->spannerSegmentType()));
// TODO:
// NOSTYLE offset written in Element::writeProperties,
// so we probably don't need to duplicate it here
// see https://musescore.org/en/node/286848
//if (seg->propertyFlags(Pid::OFFSET) & PropertyFlags::UNSTYLED)
xml.tag("offset", seg->offset() / _spatium);
xml.tag("off2", seg->userOff2() / _spatium);
seg->writeProperty(xml, Pid::MIN_DISTANCE);
seg->Element::writeProperties(xml);
xml.etag();
}
}
//---------------------------------------------------------
// readProperties
//---------------------------------------------------------
bool SLine::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "tick2") { // obsolete
if (tick() == Fraction(-1,1)) // not necessarily set (for first note of score?) #30151
setTick(e.tick());
setTick2(Fraction::fromTicks(e.readInt()));
}
else if (tag == "tick") // obsolete
setTick(Fraction::fromTicks(e.readInt()));
else if (tag == "ticks")
setTicks(Fraction::fromTicks(e.readInt()));
else if (tag == "Segment") {
LineSegment* ls = createLineSegment();
ls->setTrack(track()); // needed in read to get the right staff mag
ls->read(e);
add(ls);
ls->setVisible(visible());
}
else if (tag == "length")
setLen(e.readDouble());
else if (tag == "diagonal")
setDiagonal(e.readInt());
else if (tag == "anchor")
setAnchor(Anchor(e.readInt()));
else if (tag == "lineWidth")
_lineWidth = e.readDouble() * spatium();
else if (tag == "lineStyle")
_lineStyle = Qt::PenStyle(e.readInt());
else if (tag == "dashLineLength")
_dashLineLen = e.readDouble();
else if (tag == "dashGapLength")
_dashGapLen = e.readDouble();
else if (tag == "lineColor")
_lineColor = e.readColor();
else if (tag == "color")
_lineColor = e.readColor();
else if (!Spanner::readProperties(e))
return false;
return true;
}
//---------------------------------------------------------
// setLen
// used to create an element suitable for palette
//---------------------------------------------------------
void SLine::setLen(qreal l)
{
if (spannerSegments().empty())
add(createLineSegment());
LineSegment* s = frontSegment();
s->setPos(QPointF());
s->setPos2(QPointF(l, 0));
}
//---------------------------------------------------------
// bbox
// used by palette: only one segment
//---------------------------------------------------------
const QRectF& SLine::bbox() const
{
if (spannerSegments().empty())
setbbox(QRectF());
else
setbbox(segmentAt(0)->bbox());
return Element::bbox();
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void SLine::write(XmlWriter& xml) const
{
xml.stag(this);
SLine::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void SLine::read(XmlReader& e)
{
eraseSpannerSegments();
if (score()->mscVersion() < 301)
e.addSpanner(e.intAttribute("id", -1), this);
while (e.readNextStartElement()) {
if (!SLine::readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant SLine::getProperty(Pid id) const
{
switch (id) {
case Pid::DIAGONAL:
return _diagonal;
case Pid::COLOR:
return _lineColor;
case Pid::LINE_WIDTH:
return _lineWidth;
case Pid::LINE_STYLE:
return QVariant(int(_lineStyle));
case Pid::DASH_LINE_LEN:
return dashLineLen();
case Pid::DASH_GAP_LEN:
return dashGapLen();
default:
return Spanner::getProperty(id);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool SLine::setProperty(Pid id, const QVariant& v)
{
switch (id) {
case Pid::DIAGONAL:
_diagonal = v.toBool();
break;
case Pid::COLOR:
_lineColor = v.value<QColor>();
break;
case Pid::LINE_WIDTH:
_lineWidth = v.toReal();
break;
case Pid::LINE_STYLE:
_lineStyle = Qt::PenStyle(v.toInt());
break;
case Pid::DASH_LINE_LEN:
setDashLineLen(v.toDouble());
break;
case Pid::DASH_GAP_LEN:
setDashGapLen(v.toDouble());
break;
default:
return Spanner::setProperty(id, v);
}
triggerLayout();
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant SLine::propertyDefault(Pid pid) const
{
switch (pid) {
case Pid::DIAGONAL:
return false;
case Pid::COLOR:
return MScore::defaultColor;
case Pid::LINE_WIDTH:
if (propertyFlags(pid) != PropertyFlags::NOSTYLE)
return Spanner::propertyDefault(pid);
return 0.15 * spatium();
case Pid::LINE_STYLE:
if (propertyFlags(pid) != PropertyFlags::NOSTYLE)
return Spanner::propertyDefault(pid);
return int(Qt::SolidLine);
case Pid::DASH_LINE_LEN:
case Pid::DASH_GAP_LEN:
if (propertyFlags(pid) != PropertyFlags::NOSTYLE)
return Spanner::propertyDefault(pid);
return 5.0;
default:
return Spanner::propertyDefault(pid);
}
}
}
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