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MuseScore/libmscore/arpeggio.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
//=============================================================================
#include "arpeggio.h"
#include "sym.h"
#include "chord.h"
#include "note.h"
#include "score.h"
#include "staff.h"
#include "part.h"
#include "segment.h"
#include "property.h"
#include "xml.h"
namespace Ms {
//---------------------------------------------------------
// Arpeggio
//---------------------------------------------------------
Arpeggio::Arpeggio(Score* s)
: Element(s)
{
setFlags(ElementFlag::MOVABLE | ElementFlag::SELECTABLE);
_arpeggioType = ArpeggioType::NORMAL;
setHeight(spatium() * 4); // for use in palettes
_span = 1;
_userLen1 = 0.0;
_userLen2 = 0.0;
_playArpeggio = true;
}
//---------------------------------------------------------
// setHeight
//---------------------------------------------------------
void Arpeggio::setHeight(qreal h)
{
_height = h;
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Arpeggio::write(XmlWriter& xml) const
{
if (!xml.canWrite(this))
return;
xml.stag("Arpeggio");
Element::writeProperties(xml);
xml.tag("subtype", int(_arpeggioType));
if (_userLen1 != 0.0)
xml.tag("userLen1", _userLen1 / spatium());
if (_userLen2 != 0.0)
xml.tag("userLen2", _userLen2 / spatium());
if (_span != 1)
xml.tag("span", _span);
writeProperty(xml, Pid::PLAY);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Arpeggio::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "subtype")
_arpeggioType = ArpeggioType(e.readInt());
else if (tag == "userLen1")
_userLen1 = e.readDouble() * spatium();
else if (tag == "userLen2")
_userLen2 = e.readDouble() * spatium();
else if (tag == "span")
_span = e.readInt();
else if (tag == "play")
_playArpeggio = e.readBool();
else if (!Element::readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// symbolLine
// construct a string of symbols aproximating width w
//---------------------------------------------------------
void Arpeggio::symbolLine(SymId end, SymId fill)
{
qreal y1 = -_userLen1;
qreal y2 = _height + _userLen2;
qreal w = y2 - y1;
qreal mag = magS();
ScoreFont* f = score()->scoreFont();
symbols.clear();
qreal w1 = f->advance(end, mag);
qreal w2 = f->advance(fill, mag);
int n = lrint((w - w1) / w2);
for (int i = 0; i < n; ++i)
symbols.push_back(fill);
symbols.push_back(end);
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void Arpeggio::layout()
{
qreal y1 = -_userLen1;
qreal y2 = _height + _userLen2;
_hidden = false;
if (score()->styleB(Sid::ArpeggioHiddenInStdIfTab)) {
if (staff() && staff()->isPitchedStaff(tick())) {
for (Staff* s : staff()->staffList()) {
if (s->score() == score() && s->isTabStaff(tick())) {
_hidden = true;
setbbox(QRect());
return;
}
}
}
}
if (staff())
setMag(staff()->mag(tick()));
switch (arpeggioType()) {
case ArpeggioType::NORMAL: {
symbolLine(SymId::wiggleArpeggiatoUp, SymId::wiggleArpeggiatoUp);
// string is rotated -90 degrees
QRectF r(symBbox(symbols));
setbbox(QRectF(0.0, -r.x() + y1, r.height(), r.width()));
}
break;
case ArpeggioType::UP: {
symbolLine(SymId::wiggleArpeggiatoUpArrow, SymId::wiggleArpeggiatoUp);
// string is rotated -90 degrees
QRectF r(symBbox(symbols));
setbbox(QRectF(0.0, -r.x() + y1, r.height(), r.width()));
}
break;
case ArpeggioType::DOWN: {
symbolLine(SymId::wiggleArpeggiatoDownArrow, SymId::wiggleArpeggiatoDown);
// string is rotated +90 degrees
QRectF r(symBbox(symbols));
setbbox(QRectF(0.0, r.x() + y1, r.height(), r.width()));
}
break;
case ArpeggioType::UP_STRAIGHT: {
qreal _spatium = spatium();
qreal x1 = _spatium * .5;
qreal w = symBbox(SymId::arrowheadBlackUp).width();
qreal lw = score()->styleS(Sid::ArpeggioLineWidth).val() * _spatium;
setbbox(QRectF(x1 - w * .5, y1, w, y2 - y1 + lw * .5));
}
break;
case ArpeggioType::DOWN_STRAIGHT: {
qreal _spatium = spatium();
qreal x1 = _spatium * .5;
qreal w = symBbox(SymId::arrowheadBlackDown).width();
qreal lw = score()->styleS(Sid::ArpeggioLineWidth).val() * _spatium;
setbbox(QRectF(x1 - w * .5, y1 - lw * .5, w, y2 - y1 + lw * .5));
}
break;
case ArpeggioType::BRACKET: {
qreal _spatium = spatium();
qreal lw = score()->styleS(Sid::ArpeggioLineWidth).val() * _spatium * .5;
qreal w = score()->styleS(Sid::ArpeggioHookLen).val() * _spatium;
setbbox(QRectF(0.0, y1, w, y2-y1).adjusted(-lw, -lw, lw, lw));
break;
}
}
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void Arpeggio::draw(QPainter* p) const
{
if (_hidden)
return;
qreal _spatium = spatium();
qreal y1 = -_userLen1;
qreal y2 = _height + _userLen2;
p->setPen(QPen(curColor(),
score()->styleS(Sid::ArpeggioLineWidth).val() * _spatium,
Qt::SolidLine, Qt::RoundCap));
p->save();
switch (arpeggioType()) {
case ArpeggioType::NORMAL:
case ArpeggioType::UP:
{
QRectF r(symBbox(symbols));
qreal scale = p->worldTransform().m11();
p->rotate(-90.0);
score()->scoreFont()->draw(symbols, p, magS(), QPointF(-r.right() - y1, -r.bottom() + r.height()), scale);
}
break;
case ArpeggioType::DOWN:
{
QRectF r(symBbox(symbols));
qreal scale = p->worldTransform().m11();
p->rotate(90.0);
score()->scoreFont()->draw(symbols, p, magS(), QPointF(-r.left() + y1, -r.top() - r.height()), scale);
}
break;
case ArpeggioType::UP_STRAIGHT:
{
QRectF r(symBbox(SymId::arrowheadBlackUp));
qreal x1 = _spatium * .5;
drawSymbol(SymId::arrowheadBlackUp, p, QPointF(x1 - r.width() * .5, y1 - r.top()));
y1 -= r.top() * .5;
p->drawLine(QLineF(x1, y1, x1, y2));
}
break;
case ArpeggioType::DOWN_STRAIGHT:
{
QRectF r(symBbox(SymId::arrowheadBlackDown));
qreal x1 = _spatium * .5;
drawSymbol(SymId::arrowheadBlackDown, p, QPointF(x1 - r.width() * .5, y2 - r.bottom()));
y2 += r.top() * .5;
p->drawLine(QLineF(x1, y1, x1, y2));
}
break;
case ArpeggioType::BRACKET:
{
qreal w = score()->styleS(Sid::ArpeggioHookLen).val() * _spatium;
p->drawLine(QLineF(0.0, y1, 0.0, y2));
p->drawLine(QLineF(0.0, y1, w, y1));
p->drawLine(QLineF(0.0, y2, w, y2));
}
break;
}
p->restore();
}
//---------------------------------------------------------
// updateGrips
//---------------------------------------------------------
void Arpeggio::updateGrips(EditData& ed) const
{
QPointF p1(0.0, -_userLen1);
QPointF p2(0.0, _height + _userLen2);
ed.grip[0].translate(pagePos() + p1);
ed.grip[1].translate(pagePos() + p2);
}
//---------------------------------------------------------
// editDrag
//---------------------------------------------------------
void Arpeggio::editDrag(EditData& ed)
{
qreal d = ed.delta.y();
if (ed.curGrip == Grip::START)
_userLen1 -= d;
else if (ed.curGrip == Grip::END)
_userLen2 += d;
layout();
}
//---------------------------------------------------------
// dragAnchor
//---------------------------------------------------------
QLineF Arpeggio::dragAnchor() const
{
Chord* c = chord();
if (c)
return QLineF(pagePos(), c->upNote()->pagePos());
return QLineF();
}
//---------------------------------------------------------
// gripAnchor
//---------------------------------------------------------
QPointF Arpeggio::gripAnchor(Grip n) const
{
Chord* c = chord();
if (c == 0)
return QPointF();
if (n == Grip::START)
return c->upNote()->pagePos();
else if (n == Grip::END) {
Note* dnote = c->downNote();
int btrack = track() + (_span - 1) * VOICES;
Element* e = c->segment()->element(btrack);
if (e && e->isChord())
dnote = toChord(e)->downNote();
return dnote->pagePos();
}
return QPointF();
}
//---------------------------------------------------------
// startEdit
//---------------------------------------------------------
void Arpeggio::startEdit(EditData& ed)
{
Element::startEdit(ed);
ed.grips = 2;
ed.curGrip = Grip::END;
undoPushProperty(Pid::ARP_USER_LEN1);
undoPushProperty(Pid::ARP_USER_LEN2);
}
//---------------------------------------------------------
// edit
//---------------------------------------------------------
bool Arpeggio::edit(EditData& ed)
{
if (ed.curGrip != Grip::END || !(ed.modifiers & Qt::ShiftModifier))
return false;
if (ed.key == Qt::Key_Down) {
Staff* s = staff();
Part* part = s->part();
int n = part->nstaves();
int ridx = part->staves()->indexOf(s);
if (ridx >= 0) {
if (_span + ridx < n)
++_span;
}
}
else if (ed.key == Qt::Key_Up) {
if (_span > 1)
--_span;
}
else
return false;
layout();
Chord* c = chord();
rxpos() = -(width() + spatium() * .5);
c->layoutArpeggio2();
return true;
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void Arpeggio::spatiumChanged(qreal oldValue, qreal newValue)
{
_userLen1 *= (newValue / oldValue);
_userLen2 *= (newValue / oldValue);
}
//---------------------------------------------------------
// acceptDrop
//---------------------------------------------------------
bool Arpeggio::acceptDrop(EditData& data) const
{
return data.element->type() == ElementType::ARPEGGIO;
}
//---------------------------------------------------------
// drop
//---------------------------------------------------------
Element* Arpeggio::drop(EditData& data)
{
Element* e = data.element;
switch(e->type()) {
case ElementType::ARPEGGIO:
{
Arpeggio* a = toArpeggio(e);
if (parent())
score()->undoRemoveElement(this);
a->setTrack(track());
a->setParent(parent());
score()->undoAddElement(a);
}
return e;
default:
delete e;
break;
}
return 0;
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant Arpeggio::getProperty(Pid propertyId) const
{
switch(propertyId) {
case Pid::ARP_USER_LEN1:
return userLen1();
case Pid::ARP_USER_LEN2:
return userLen2();
case Pid::PLAY:
return _playArpeggio;
default:
break;
}
return Element::getProperty(propertyId);
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool Arpeggio::setProperty(Pid propertyId, const QVariant& val)
{
switch(propertyId) {
case Pid::ARP_USER_LEN1:
setUserLen1(val.toDouble());
break;
case Pid::ARP_USER_LEN2:
setUserLen2(val.toDouble());
break;
case Pid::PLAY:
setPlayArpeggio(val.toBool());
break;
default:
if (!Element::setProperty(propertyId, val))
return false;
break;
}
triggerLayout();
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant Arpeggio::propertyDefault(Pid propertyId) const
{
switch(propertyId) {
case Pid::ARP_USER_LEN1:
return 0.0;
case Pid::ARP_USER_LEN2:
return 0.0;
case Pid::PLAY:
return true;
default:
break;
}
return Element::propertyDefault(propertyId);
}
}
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