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element.cpp
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element.cpp
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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 Element, ElementList, StaffLines.
*/
#include "element.h"
#include "style.h"
#include "xml.h"
#include "score.h"
#include "staff.h"
#include "utils.h"
#include "sym.h"
#include "symbol.h"
#include "clef.h"
#include "volta.h"
#include "ottava.h"
#include "textline.h"
#include "trill.h"
#include "pedal.h"
#include "hairpin.h"
#include "keysig.h"
#include "timesig.h"
#include "barline.h"
#include "arpeggio.h"
#include "breath.h"
#include "bracket.h"
#include "chordrest.h"
#include "accidental.h"
#include "dynamic.h"
#include "text.h"
#include "note.h"
#include "tremolo.h"
#include "layoutbreak.h"
#include "repeat.h"
#include "page.h"
#include "system.h"
#include "stafftext.h"
#include "glissando.h"
#include "articulation.h"
#include "chord.h"
#include "spacer.h"
#include "tempotext.h"
#include "harmony.h"
#include "lyrics.h"
#include "rest.h"
#include "slur.h"
#include "measure.h"
#include "fret.h"
#include "staffstate.h"
#include "fingering.h"
#include "bend.h"
#include "tremolobar.h"
#include "chordline.h"
#include "undo.h"
#include "segment.h"
#include "box.h"
#include "instrchange.h"
#include "stafftype.h"
#include "stem.h"
#include "iname.h"
#include "mscore.h"
#include "icon.h"
#include "ossia.h"
#include "figuredbass.h"
#include "rehearsalmark.h"
#include "notedot.h"
#include "textframe.h"
#include "image.h"
#include "marker.h"
#include "jump.h"
#include "noteline.h"
#include "bagpembell.h"
#include "ambitus.h"
namespace Ms {
// extern bool showInvisible;
//
// list has to be synchronized with Element::Type enum
//
static const ElementName elementNames[] = {
ElementName("invalid", QT_TRANSLATE_NOOP("elementName", "invalid")),
ElementName("Symbol", QT_TRANSLATE_NOOP("elementName", "Symbol")),
ElementName("Text", QT_TRANSLATE_NOOP("elementName", "Text")),
ElementName("InstrumentName", QT_TRANSLATE_NOOP("elementName", "Instrument Name")),
ElementName("SlurSegment", QT_TRANSLATE_NOOP("elementName", "Slur Segment")),
ElementName("StaffLines", QT_TRANSLATE_NOOP("elementName", "Staff Lines")),
ElementName("BarLine", QT_TRANSLATE_NOOP("elementName", "Bar Line")),
ElementName("StemSlash", QT_TRANSLATE_NOOP("elementName", "Stem Slash")),
ElementName("Line", QT_TRANSLATE_NOOP("elementName", "Line")),
ElementName("Bracket", QT_TRANSLATE_NOOP("elementName", "Bracket")),
ElementName("Arpeggio", QT_TRANSLATE_NOOP("elementName", "Arpeggio")),
ElementName("Accidental", QT_TRANSLATE_NOOP("elementName", "Accidental")),
ElementName("Stem", QT_TRANSLATE_NOOP("elementName", "Stem")),
ElementName("Note", QT_TRANSLATE_NOOP("elementName", "Note")),
ElementName("Clef", QT_TRANSLATE_NOOP("elementName", "Clef")),
ElementName("KeySig", QT_TRANSLATE_NOOP("elementName", "Key Signature")),
ElementName("Ambitus", QT_TRANSLATE_NOOP("elementName", "Ambitus")),
ElementName("TimeSig", QT_TRANSLATE_NOOP("elementName", "Time Signature")),
ElementName("Rest", QT_TRANSLATE_NOOP("elementName", "Rest")),
ElementName("Breath", QT_TRANSLATE_NOOP("elementName", "Breath")),
ElementName("Glissando", QT_TRANSLATE_NOOP("elementName", "Glissando")),
ElementName("RepeatMeasure", QT_TRANSLATE_NOOP("elementName", "Repeat Measure")),
ElementName("Image", QT_TRANSLATE_NOOP("elementName", "Image")),
ElementName("Tie", QT_TRANSLATE_NOOP("elementName", "Tie")),
ElementName("Articulation", QT_TRANSLATE_NOOP("elementName", "Articulation")),
ElementName("ChordLine", QT_TRANSLATE_NOOP("elementName", "Chord Line")),
ElementName("Dynamic", QT_TRANSLATE_NOOP("elementName", "Dynamic")),
ElementName("Beam", QT_TRANSLATE_NOOP("elementName", "Beam")),
ElementName("Hook", QT_TRANSLATE_NOOP("elementName", "Hook")),
ElementName("Lyrics", QT_TRANSLATE_NOOP("elementName", "Lyrics")),
ElementName("FiguredBass", QT_TRANSLATE_NOOP("elementName", "Figured Bass")),
ElementName("Marker", QT_TRANSLATE_NOOP("elementName", "Marker")),
ElementName("Jump", QT_TRANSLATE_NOOP("elementName", "Jump")),
ElementName("Fingering", QT_TRANSLATE_NOOP("elementName", "Fingering")),
ElementName("Tuplet", QT_TRANSLATE_NOOP("elementName", "Tuplet")),
ElementName("Tempo", QT_TRANSLATE_NOOP("elementName", "Tempo")),
ElementName("StaffText", QT_TRANSLATE_NOOP("elementName", "Staff Text")),
ElementName("RehearsalMark", QT_TRANSLATE_NOOP("elementName", "Rehearsal Mark")),
ElementName("InstrumentChange", QT_TRANSLATE_NOOP("elementName", "Instrument Change")),
ElementName("Harmony", QT_TRANSLATE_NOOP("elementName", "Chord Symbol")),
ElementName("FretDiagram", QT_TRANSLATE_NOOP("elementName", "Fretboard Diagram")),
ElementName("Bend", QT_TRANSLATE_NOOP("elementName", "Bend")),
ElementName("TremoloBar", QT_TRANSLATE_NOOP("elementName", "Tremolo Bar")),
ElementName("Volta", QT_TRANSLATE_NOOP("elementName", "Volta")),
ElementName("HairpinSegment", QT_TRANSLATE_NOOP("elementName", "Hairpin Segment")),
ElementName("OttavaSegment", QT_TRANSLATE_NOOP("elementName", "Ottava Segment")),
ElementName("TrillSegment", QT_TRANSLATE_NOOP("elementName", "Trill Segment")),
ElementName("TextLineSegment", QT_TRANSLATE_NOOP("elementName", "Text Line Segment")),
ElementName("VoltaSegment", QT_TRANSLATE_NOOP("elementName", "Volta Segment")),
ElementName("PedalSegment", QT_TRANSLATE_NOOP("elementName", "Pedal Segment")),
ElementName("LayoutBreak", QT_TRANSLATE_NOOP("elementName", "Layout Break")),
ElementName("Spacer", QT_TRANSLATE_NOOP("elementName", "Spacer")),
ElementName("StaffState", QT_TRANSLATE_NOOP("elementName", "Staff State")),
ElementName("LedgerLine", QT_TRANSLATE_NOOP("elementName", "Ledger Line")),
ElementName("NoteHead", QT_TRANSLATE_NOOP("elementName", "Note Head")),
ElementName("NoteDot", QT_TRANSLATE_NOOP("elementName", "Note Dot")),
ElementName("Tremolo", QT_TRANSLATE_NOOP("elementName", "Tremolo")),
ElementName("Measure", QT_TRANSLATE_NOOP("elementName", "Measure")),
ElementName("Selection", QT_TRANSLATE_NOOP("elementName", "Selection")),
ElementName("Lasso", QT_TRANSLATE_NOOP("elementName", "Lasso")),
ElementName("ShadowNote", QT_TRANSLATE_NOOP("elementName", "Shadow Note")),
ElementName("RubberBand", QT_TRANSLATE_NOOP("elementName", "Rubber Band")),
ElementName("TabDurationSymbol", QT_TRANSLATE_NOOP("elementName", "Tab Duration Symbol")),
ElementName("FSymbol", QT_TRANSLATE_NOOP("elementName", "Font Symbol")),
ElementName("Page", QT_TRANSLATE_NOOP("elementName", "Page")),
ElementName("HairPin", QT_TRANSLATE_NOOP("elementName", "Hairpin")),
ElementName("Ottava", QT_TRANSLATE_NOOP("elementName", "Ottava")),
ElementName("Pedal", QT_TRANSLATE_NOOP("elementName", "Pedal")),
ElementName("Trill", QT_TRANSLATE_NOOP("elementName", "Trill")),
ElementName("TextLine", QT_TRANSLATE_NOOP("elementName", "Text Line")),
ElementName("NoteLine", QT_TRANSLATE_NOOP("elementName", "Note Line")),
ElementName("Segment", QT_TRANSLATE_NOOP("elementName", "Segment")),
ElementName("System", QT_TRANSLATE_NOOP("elementName", "System")),
ElementName("Compound", QT_TRANSLATE_NOOP("elementName", "Compound")),
ElementName("Chord", QT_TRANSLATE_NOOP("elementName", "Chord")),
ElementName("Slur", QT_TRANSLATE_NOOP("elementName", "Slur")),
ElementName("Element", QT_TRANSLATE_NOOP("elementName", "Element")),
ElementName("ElementList", QT_TRANSLATE_NOOP("elementName", "Element List")),
ElementName("StaffList", QT_TRANSLATE_NOOP("elementName", "Staff List")),
ElementName("MeasureList", QT_TRANSLATE_NOOP("elementName", "Measure List")),
ElementName("Layout", QT_TRANSLATE_NOOP("elementName", "Layout")),
ElementName("HBox", QT_TRANSLATE_NOOP("elementName", "Horizontal Frame")),
ElementName("VBox", QT_TRANSLATE_NOOP("elementName", "Vertical Frame")),
ElementName("TBox", QT_TRANSLATE_NOOP("elementName", "Text Frame")),
ElementName("FBox", QT_TRANSLATE_NOOP("elementName", "Fretboard Diagram Frame")),
ElementName("Icon", QT_TRANSLATE_NOOP("elementName", "Icon")),
ElementName("Ossia", QT_TRANSLATE_NOOP("elementName", "Ossia")),
ElementName("BagpipeEmbellishment", QT_TRANSLATE_NOOP("elementName", "Bagpipe Embellishment"))
};
//---------------------------------------------------------
// DropData
//---------------------------------------------------------
DropData::DropData()
{
view = 0;
element = 0;
duration = Fraction(1,4);
modifiers = 0;
}
//---------------------------------------------------------
// LinkedElements
//---------------------------------------------------------
LinkedElements::LinkedElements(Score* score)
{
_lid = score->linkId(); // create new unique id
}
LinkedElements::LinkedElements(Score* score, int id)
{
_lid = id;
score->linkId(id); // remember used id
}
//---------------------------------------------------------
// setLid
//---------------------------------------------------------
void LinkedElements::setLid(Score* score, int id)
{
_lid = id;
score->linkId(id);
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void Element::spatiumChanged(qreal oldValue, qreal newValue)
{
_userOff *= (newValue / oldValue);
_readPos *= (newValue / oldValue);
}
//---------------------------------------------------------
// spatium
//---------------------------------------------------------
qreal Element::spatium() const
{
Staff* s = staff();
return s ? s->spatium() : _score->spatium();
}
//---------------------------------------------------------
// magS
//---------------------------------------------------------
qreal Element::magS() const
{
return mag() * (_score->spatium() /(MScore::DPI * SPATIUM20));
}
//---------------------------------------------------------
// name
//---------------------------------------------------------
const char* Element::name() const
{
return name(type());
}
//---------------------------------------------------------
// name
//---------------------------------------------------------
QString Element::subtypeName() const
{
return "";
}
//---------------------------------------------------------
// userName
//---------------------------------------------------------
QString Element::userName() const
{
return qApp->translate("elementName", elementNames[int(type())].userName);
}
//---------------------------------------------------------
// ~Element
//---------------------------------------------------------
Element::~Element()
{
if (_links) {
_links->removeOne(this);
if (_links->isEmpty()) {
//DEBUG:
score()->links().remove(_links->lid());
//
delete _links;
}
}
}
//---------------------------------------------------------
// Element
//---------------------------------------------------------
Element::Element(Score* s) :
QObject(0)
{
_selected = false;
_generated = false;
_visible = true;
_placement = Placement::BELOW;
_flags = ElementFlag::SELECTABLE;
_track = -1;
_color = MScore::defaultColor;
_mag = 1.0;
_tag = 1;
_score = s;
itemDiscovered = false;
}
Element::Element(const Element& e)
: QObject(0)
{
_parent = e._parent;
_selected = e._selected;
_generated = e._generated;
_visible = e._visible;
_placement = e._placement;
_flags = e._flags;
_track = e._track;
_color = e._color;
_mag = e._mag;
_pos = e._pos;
_userOff = e._userOff;
_readPos = e._readPos;
_score = e._score;
_bbox = e._bbox;
_tag = e._tag;
itemDiscovered = false;
}
//---------------------------------------------------------
// linkTo
//---------------------------------------------------------
void Element::linkTo(Element* element)
{
Q_ASSERT(element != this);
if (!_links) {
if (element->links()) {
_links = element->_links;
Q_ASSERT(_links->contains(element));
}
else {
_links = new LinkedElements(score());
_links->append(element);
element->_links = _links;
}
Q_ASSERT(!_links->contains(this));
_links->append(this);
}
else {
_links->append(element);
element->_links = _links;
}
}
//---------------------------------------------------------
// unlink
//---------------------------------------------------------
void Element::unlink()
{
if (_links) {
Q_ASSERT(_links->contains(this));
_links->removeOne(this);
// if link list is empty, remove list
if (_links->size() <= 1) {
if (!_links->empty()) // abnormal case: only "this" is in list
_links->front()->_links = 0;
delete _links;
}
_links = 0;
}
}
//---------------------------------------------------------
// undoUnlink
//---------------------------------------------------------
void Element::undoUnlink()
{
if (_links)
_score->undo(new Unlink(this));
}
//---------------------------------------------------------
// linkedClone
//---------------------------------------------------------
Element* Element::linkedClone()
{
Element* e = clone();
score()->undo(new Link(this, e));
return e;
}
//---------------------------------------------------------
// linkList
//---------------------------------------------------------
QList<Element*> Element::linkList() const
{
QList<Element*> el;
if (links())
el.append(*links());
else
el.append((Element*)this);
return el;
}
//---------------------------------------------------------
// adjustReadPos
//---------------------------------------------------------
void Element::adjustReadPos()
{
if (!_readPos.isNull()) {
_userOff = _readPos - _pos;
_readPos = QPointF();
}
}
//---------------------------------------------------------
// scanElements
//---------------------------------------------------------
void Element::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
if (all || _visible || score()->showInvisible())
func(data, this);
}
//---------------------------------------------------------
// reset
//---------------------------------------------------------
void Element::reset()
{
if (!_userOff.isNull())
score()->undoChangeProperty(this, P_ID::USER_OFF, QPointF());
}
//---------------------------------------------------------
// change
//---------------------------------------------------------
void Element::change(Element* o, Element* n)
{
remove(o);
add(n);
}
//---------------------------------------------------------
// staff
//---------------------------------------------------------
Staff* Element::staff() const
{
if (_track == -1 || score()->staves().isEmpty())
return 0;
return score()->staff(staffIdx());
}
//---------------------------------------------------------
// curColor
//---------------------------------------------------------
QColor Element::curColor() const
{
return curColor(this);
}
//---------------------------------------------------------
// curColor
//---------------------------------------------------------
QColor Element::curColor(const Element* proxy) const
{
// the default element color is always interpreted as black in
// printing
if (score() && score()->printing())
return (proxy->color() == MScore::defaultColor) ? Qt::black : proxy->color();
if (flag(ElementFlag::DROP_TARGET))
return MScore::dropColor;
bool marked = false;
if (type() == Element::Type::NOTE) {
const Note* note = static_cast<const Note*>(this);
marked = note->mark();
}
if (proxy->selected() || marked ) {
if (track() == -1)
return MScore::selectColor[0];
else
return MScore::selectColor[voice()];
}
if (!proxy->visible())
return Qt::gray;
return proxy->color();
}
//---------------------------------------------------------
// drag
/// Return update Rect relative to canvas.
//---------------------------------------------------------
QRectF Element::drag(EditData* data)
{
QRectF r(canvasBoundingRect());
qreal x = data->delta.x();
qreal y = data->delta.y();
qreal _spatium = spatium();
if (data->hRaster) {
qreal hRaster = _spatium / MScore::hRaster();
int n = lrint(x / hRaster);
x = hRaster * n;
}
if (data->vRaster) {
qreal vRaster = _spatium / MScore::vRaster();
int n = lrint(y / vRaster);
y = vRaster * n;
}
setUserOff(QPointF(x, y));
setGenerated(false);
return canvasBoundingRect() | r;
}
//---------------------------------------------------------
// pagePos
// return position in canvas coordinates
//---------------------------------------------------------
QPointF Element::pagePos() const
{
QPointF p(pos());
if (parent() == 0)
return p;
if (_flags & ElementFlag::ON_STAFF) {
System* system = nullptr;
if (parent()->type() == Element::Type::SEGMENT)
system = static_cast<Segment*>(parent())->measure()->system();
else if (parent()->type() == Element::Type::MEASURE) // used in measure number
system = static_cast<Measure*>(parent())->system();
else if (parent()->type() == Element::Type::SYSTEM)
system = static_cast<System*>(parent());
else
Q_ASSERT(false);
if (system) {
int si = staffIdx();
if (type() == Element::Type::CHORD || type() == Element::Type::REST)
si += static_cast<const ChordRest*>(this)->staffMove();
p.ry() += system->staffYpage(si); // system->staff(si)->y() + system->y();
}
p.rx() = pageX();
}
else {
if (parent()->parent())
p += parent()->pagePos();
}
return p;
}
//---------------------------------------------------------
// canvasPos
//---------------------------------------------------------
QPointF Element::canvasPos() const
{
QPointF p(pos());
if (parent() == 0)
return p;
if (_flags & ElementFlag::ON_STAFF) {
System* system = nullptr;
if (parent()->type() == Element::Type::SEGMENT)
system = static_cast<Segment*>(parent())->system();
else if (parent()->type() == Element::Type::MEASURE) // used in measure number
system = static_cast<Measure*>(parent())->system();
else if (parent()->type() == Element::Type::SYSTEM)
system = static_cast<System*>(parent());
else
Q_ASSERT(false);
if (system) {
int si = staffIdx();
if (type() == Element::Type::CHORD || type() == Element::Type::REST)
si += static_cast<const ChordRest*>(this)->staffMove();
p.ry() += system->staffYpage(si); // system->staff(si)->y() + system->y();
Page* page = system->page();
if (page)
p.ry() += page->y();
}
p.rx() = canvasX();
}
else {
p += parent()->canvasPos();
}
return p;
}
//---------------------------------------------------------
// pageX
//---------------------------------------------------------
qreal Element::pageX() const
{
qreal xp = x();
for (Element* e = parent(); e && e->parent(); e = e->parent())
xp += e->x();
return xp;
}
//---------------------------------------------------------
// canvasX
//---------------------------------------------------------
qreal Element::canvasX() const
{
qreal xp = x();
for (Element* e = parent(); e; e = e->parent())
xp += e->x();
return xp;
}
//---------------------------------------------------------
// contains
//---------------------------------------------------------
/**
Return true if \a p is inside the shape of the object.
Note: \a p is in page coordinates
*/
bool Element::contains(const QPointF& p) const
{
return shape().contains(p - pagePos());
}
//---------------------------------------------------------
// shape
//---------------------------------------------------------
/**
Returns the shape of this element as a QPainterPath in local
coordinates. The shape is used for collision detection and
hit tests (contains())
The default implementation calls bbox() to return a simple rectangular
shape, but subclasses can reimplement this function to return a more
accurate shape for non-rectangular elements.
*/
QPainterPath Element::shape() const
{
QPainterPath pp;
pp.addRect(bbox());
return pp;
}
//---------------------------------------------------------
// intersects
//---------------------------------------------------------
/**
Return true if \a rr intersects bounding box of object.
Note: \a rr is in page coordinates
*/
bool Element::intersects(const QRectF& rr) const
{
return shape().intersects(rr.translated(-pagePos()));
}
//---------------------------------------------------------
// writeProperties
//---------------------------------------------------------
void Element::writeProperties(Xml& xml) const
{
//copy paste should not keep links
if (_links && (_links->size() > 1) && !xml.clipboardmode)
xml.tag("lid", _links->lid());
if (!userOff().isNull()) {
if (type() == Element::Type::VOLTA_SEGMENT || isChordRest())
xml.tag("offset", userOff() / spatium());
else
xml.tag("pos", pos() / score()->spatium());
}
if (((track() != xml.curTrack) || (type() == Element::Type::SLUR)) && (track() != -1)) {
int t;
t = track() + xml.trackDiff;
xml.tag("track", t);
}
if (_tag != 0x1) {
for (int i = 1; i < MAX_TAGS; i++) {
if (_tag == ((unsigned)1 << i)) {
xml.tag("tag", score()->layerTags()[i]);
break;
}
}
}
if (color() != Qt::black)
xml.tag("color", color());
if (!visible())
xml.tag("visible", visible());
writeProperty(xml, P_ID::PLACEMENT);
}
//---------------------------------------------------------
// readProperties
//---------------------------------------------------------
bool Element::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "track")
setTrack(e.readInt() + e.trackOffset());
else if (tag == "color")
setColor(e.readColor());
else if (tag == "visible")
setVisible(e.readInt());
else if (tag == "selected") // obsolete
e.readInt();
else if (tag == "userOff")
_userOff = e.readPoint();
else if (tag == "lid") {
int id = e.readInt();
_links = score()->links().value(id);
if (!_links) {
if (score()->parentScore()) // DEBUG
qDebug("---link %d not found (%d)", id, score()->links().size());
_links = new LinkedElements(score(), id);
score()->links().insert(id, _links);
}
#ifndef NDEBUG
else {
foreach(Element* ee, *_links) {
if (ee->type() != type()) {
qFatal("link %s(%d) type mismatch %s linked to %s",
ee->name(), id, ee->name(), name());
}
}
}
#endif
Q_ASSERT(!_links->contains(this));
_links->append(this);
}
else if (tag == "tick") {
int val = e.readInt();
// certain elements should not be allowed to reset tick
// these include any elements that occur within context of a Chord in a 1.X score
if (val >= 0) {
// if tick is valid, we should honor it
// but there are certain cases where we cannot
// - in 1.X scores, copy & paste of gliss resulted in invalid tick value on the new copy (#21211)
// the tick is not needed for glissandi anyhow, so we can ignore it
// - another bug allowed text items attached to notes or chords to also have invalid tick values (#25616)
// the text might be of any type, but we are now converting any text elements within notes into FINGERING
// - at some point, a check for SYMBOL was included here, but it isn't clear what the issue was
// ignoring ticks for symbols means they will be positioned incorrectly if not at start of measure, and it is not safe in any case:
// it causes problems if there is also another item such as a STAFF_TEXT that was depending on the tick value of the symbol (http://musescore.org/en/node/25572)
// when we re-discover the issue that caused the check for SYMBOL to be added,
// we will need to find a different solution if possible
if (score()->mscVersion() > 114 || (type() != Element::Type::GLISSANDO && type() != Element::Type::FINGERING))
e.initTick(score()->fileDivision(val));
}
}
else if (tag == "offset") {
setUserOff(e.readPoint() * spatium());
}
else if (tag == "pos") {
QPointF pt = e.readPoint();
if (score()->mscVersion() > 114)
_readPos = pt * score()->spatium();
}
else if (tag == "voice")
setTrack((_track/VOICES)*VOICES + e.readInt());
else if (tag == "tag") {
QString val(e.readElementText());
for (int i = 1; i < MAX_TAGS; i++) {
if (score()->layerTags()[i] == val) {
_tag = 1 << i;
break;
}
}
}
else if (tag == "placement")
_placement = Placement(Ms::getProperty(P_ID::PLACEMENT, e).toInt());
else
return false;
return true;
}
//---------------------------------------------------------
// writeProperty
//---------------------------------------------------------
void Element::writeProperty(Xml& xml, P_ID id) const
{
xml.tag(id, getProperty(id), propertyDefault(id));
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Element::write(Xml& xml) const
{
xml.stag(name());
writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Element::read(XmlReader& e)
{
while (e.readNextStartElement()) {
if (!readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// startEdit
//---------------------------------------------------------
void Element::startEdit(MuseScoreView*, const QPointF&)
{
undoPushProperty(P_ID::USER_OFF);
}
//---------------------------------------------------------
// remove
/// Remove \a el from the list. Return true on success.
//---------------------------------------------------------
bool ElementList::remove(Element* el)
{
auto i = find(begin(), end(), el);
if (i == end())
return false;
erase(i);
return true;
}
//---------------------------------------------------------
// replace
//---------------------------------------------------------
void ElementList::replace(Element* o, Element* n)
{
auto i = find(begin(), end(), o);
if (i == end()) {
qDebug("ElementList::replace: element not found");
return;
}
*i = n;
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void ElementList::write(Xml& xml) const
{
for (const Element* e : *this)
e->write(xml);
}
//---------------------------------------------------------
// StaffLines
//---------------------------------------------------------
StaffLines::StaffLines(Score* s)
: Element(s)
{
setWidth(1.0); // dummy
lines = 5;
setSelectable(false);
}
//---------------------------------------------------------
// pagePos
//---------------------------------------------------------
QPointF StaffLines::pagePos() const
{
System* system = measure()->system();
return QPointF(measure()->x() + system->x(),
system->staff(staffIdx())->y() + system->y());
}
//---------------------------------------------------------
// canvasPos
//---------------------------------------------------------
QPointF StaffLines::canvasPos() const
{
QPointF p(pagePos());
Element* e = parent();
while (e) {
if (e->type() == Element::Type::PAGE) {
p += e->pos();
break;
}
e = e->parent();
}
return p;
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void StaffLines::layout()
{
StaffType* st = staff() ? staff()->staffType() : 0;
qreal _spatium = spatium();
if (st) {
dist = st->lineDistance().val() * _spatium;
lines = st->lines();
}
else {
dist = _spatium;
lines = 5;
}
// qDebug("StaffLines::layout:: dist %f st %p", dist, st);
setColor(staff() ? staff()->color() : MScore::defaultColor);
lw = score()->styleS(StyleIdx::staffLineWidth).val() * _spatium;
bbox().setRect(0.0, -lw*.5, width(), lines * dist + lw);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void StaffLines::draw(QPainter* painter) const
{
QPointF _pos(0.0, 0.0);
qreal x1 = _pos.x();
qreal x2 = x1 + width();
QVector<QLineF> ll(lines);
qreal y = _pos.y();
for (int i = 0; i < lines; ++i) {
ll[i].setLine(x1, y, x2, y);
y += dist;
}
if (MScore::debugMode) {
painter->setPen(QPen(Qt::lightGray, lw, Qt::SolidLine, Qt::FlatCap));
y = _pos.y() - 3 * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() - 2 * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() - dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() + lines * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() + (lines+1) * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() + (lines+2) * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() + (lines+3) * dist;
painter->drawLine(QLineF(x1, y, x2, y));
y = _pos.y() + (lines+4) * dist;
painter->drawLine(QLineF(x1, y, x2, y));
}
painter->setPen(QPen(curColor(), lw, Qt::SolidLine, Qt::FlatCap));
painter->drawLines(ll);
}
//---------------------------------------------------------
// y1
//---------------------------------------------------------
qreal StaffLines::y1() const
{
System* system = measure()->system();
if (system == 0)