404 lines
15 KiB
C++
404 lines
15 KiB
C++
//=============================================================================
|
|
// MuseScore
|
|
// Music Composition & Notation
|
|
//
|
|
// Copyright (C) 2010-2012 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 "chordline.h"
|
|
#include "xml.h"
|
|
#include "chord.h"
|
|
#include "measure.h"
|
|
#include "system.h"
|
|
#include "note.h"
|
|
|
|
namespace Ms {
|
|
|
|
const char* scorelineNames[] = {
|
|
QT_TRANSLATE_NOOP("Ms", "Fall"),
|
|
QT_TRANSLATE_NOOP("Ms", "Doit"),
|
|
QT_TRANSLATE_NOOP("Ms", "Plop"),
|
|
QT_TRANSLATE_NOOP("Ms", "Scoop"),
|
|
};
|
|
|
|
|
|
//---------------------------------------------------------
|
|
// ChordLine
|
|
//---------------------------------------------------------
|
|
|
|
ChordLine::ChordLine(Score* s)
|
|
: Element(s)
|
|
{
|
|
setFlags(ElementFlag::MOVABLE | ElementFlag::SELECTABLE);
|
|
modified = false;
|
|
_chordLineType = ChordLineType::NOTYPE;
|
|
_straight = false;
|
|
_lengthX = 0.0;
|
|
_lengthY = 0.0;
|
|
}
|
|
|
|
ChordLine::ChordLine(const ChordLine& cl)
|
|
: Element(cl)
|
|
{
|
|
path = cl.path;
|
|
modified = cl.modified;
|
|
_chordLineType = cl._chordLineType;
|
|
_straight = cl._straight;
|
|
_lengthX = cl._lengthX;
|
|
_lengthY = cl._lengthY;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setChordLineType
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::setChordLineType(ChordLineType st)
|
|
{
|
|
_chordLineType = st;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// layout
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::layout()
|
|
{
|
|
if (!modified) {
|
|
qreal x2 = 0;
|
|
qreal y2 = 0;
|
|
switch(_chordLineType) {
|
|
case ChordLineType::NOTYPE:
|
|
break;
|
|
case ChordLineType::FALL:
|
|
x2 = _initialLength;
|
|
y2 = _initialLength;
|
|
break;
|
|
case ChordLineType::PLOP:
|
|
x2 = -_initialLength;
|
|
y2 = -_initialLength;
|
|
break;
|
|
case ChordLineType::SCOOP:
|
|
x2 = -_initialLength;
|
|
y2 = _initialLength;
|
|
break;
|
|
default:
|
|
case ChordLineType::DOIT:
|
|
x2 = _initialLength;
|
|
y2 = -_initialLength;
|
|
break;
|
|
}
|
|
if (_chordLineType != ChordLineType::NOTYPE) {
|
|
path = QPainterPath();
|
|
// chordlines to the right of the note
|
|
if (_chordLineType == ChordLineType::FALL || _chordLineType == ChordLineType::DOIT) {
|
|
if (_straight)
|
|
path.lineTo(x2, y2);
|
|
else
|
|
path.cubicTo(x2/2, 0.0, x2, y2/2, x2, y2);
|
|
}
|
|
// chordlines to the left of the note
|
|
else if (_chordLineType == ChordLineType::PLOP || _chordLineType == ChordLineType::SCOOP) {
|
|
if (_straight)
|
|
path.lineTo(x2, y2);
|
|
else
|
|
path.cubicTo(0.0, y2/2, x2/2, y2, x2, y2);
|
|
}
|
|
}
|
|
}
|
|
|
|
qreal _spatium = spatium();
|
|
if (parent()) {
|
|
Note* note = chord()->upNote();
|
|
QPointF p(note->pos());
|
|
// chordlines to the right of the note
|
|
if (_chordLineType == ChordLineType::FALL || _chordLineType == ChordLineType::DOIT)
|
|
setPos(p.x() + note->headWidth() + _spatium * .2, p.y());
|
|
// chordlines to the left of the note
|
|
if (_chordLineType == ChordLineType::PLOP)
|
|
setPos(p.x() + note->headWidth() * .25, p.y() - note->headHeight() * .75);
|
|
if (_chordLineType == ChordLineType::SCOOP) {
|
|
qreal x = p.x() + (chord()->up() ? note->headWidth() * .25 : _spatium * -.2);
|
|
setPos(x, p.y() + note->headHeight() * .75);
|
|
}
|
|
}
|
|
else
|
|
setPos(0.0, 0.0);
|
|
adjustReadPos();
|
|
QRectF r(path.boundingRect());
|
|
int x1, y1, width, height = 0;
|
|
|
|
x1 = r.x() * _spatium;
|
|
y1 = r.y() * _spatium;
|
|
width = r.width() * _spatium;
|
|
height = r.height() * _spatium;
|
|
bbox().setRect(x1, y1, width, height);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// read
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::read(XmlReader& e)
|
|
{
|
|
path = QPainterPath();
|
|
while (e.readNextStartElement()) {
|
|
const QStringRef& tag(e.name());
|
|
if (tag == "Path") {
|
|
path = QPainterPath();
|
|
QPointF curveTo;
|
|
QPointF p1;
|
|
int state = 0;
|
|
while (e.readNextStartElement()) {
|
|
const QStringRef& tag(e.name());
|
|
if (tag == "Element") {
|
|
int type = e.intAttribute("type");
|
|
qreal x = e.doubleAttribute("x");
|
|
qreal y = e.doubleAttribute("y");
|
|
switch(QPainterPath::ElementType(type)) {
|
|
case QPainterPath::MoveToElement:
|
|
path.moveTo(x, y);
|
|
break;
|
|
case QPainterPath::LineToElement:
|
|
path.lineTo(x, y);
|
|
break;
|
|
case QPainterPath::CurveToElement:
|
|
curveTo.rx() = x;
|
|
curveTo.ry() = y;
|
|
state = 1;
|
|
break;
|
|
case QPainterPath::CurveToDataElement:
|
|
if (state == 1) {
|
|
p1.rx() = x;
|
|
p1.ry() = y;
|
|
state = 2;
|
|
}
|
|
else if (state == 2) {
|
|
path.cubicTo(curveTo, p1, QPointF(x, y));
|
|
state = 0;
|
|
}
|
|
break;
|
|
}
|
|
e.skipCurrentElement(); //needed to go to next Element in Path
|
|
}
|
|
else
|
|
e.unknown();
|
|
}
|
|
modified = true;
|
|
}
|
|
else if (tag == "subtype")
|
|
setChordLineType(ChordLineType(e.readInt()));
|
|
else if (tag == "straight")
|
|
setStraight(e.readInt());
|
|
else if (tag == "lengthX")
|
|
setLengthX(e.readInt());
|
|
else if (tag == "lengthY")
|
|
setLengthY(e.readInt());
|
|
|
|
else if (!Element::readProperties(e))
|
|
e.unknown();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// write
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::write(Xml& xml) const
|
|
{
|
|
xml.stag(name());
|
|
xml.tag("subtype", int(_chordLineType));
|
|
xml.tag("straight", _straight, false);
|
|
xml.tag("lengthX", _lengthX, 0.0);
|
|
xml.tag("lengthY", _lengthY, 0.0);
|
|
Element::writeProperties(xml);
|
|
if (modified) {
|
|
int n = path.elementCount();
|
|
xml.stag("Path");
|
|
for (int i = 0; i < n; ++i) {
|
|
const QPainterPath::Element& e = path.elementAt(i);
|
|
xml.tagE(QString("Element type=\"%1\" x=\"%2\" y=\"%3\"")
|
|
.arg(int(e.type)).arg(e.x).arg(e.y));
|
|
}
|
|
xml.etag();
|
|
}
|
|
xml.etag();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// Symbol::draw
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::draw(QPainter* painter) const
|
|
{
|
|
qreal _spatium = spatium();
|
|
|
|
if (this->isStraight()) {
|
|
painter->scale(_spatium, _spatium);
|
|
painter->setPen(QPen(curColor(), .15, Qt::SolidLine));
|
|
painter->setBrush(Qt::NoBrush);
|
|
|
|
QPainterPath pathOffset = path;
|
|
float offset = 0.5;
|
|
|
|
if (_chordLineType == ChordLineType::FALL)
|
|
pathOffset.translate(offset, -offset);
|
|
else if (_chordLineType == ChordLineType::DOIT)
|
|
pathOffset.translate(offset, offset);
|
|
else if (_chordLineType == ChordLineType::SCOOP)
|
|
pathOffset.translate(-offset, offset);
|
|
else if (_chordLineType == ChordLineType::PLOP)
|
|
pathOffset.translate(-offset, -offset);
|
|
|
|
painter->drawPath(pathOffset);
|
|
painter->scale(1.0/_spatium, 1.0/_spatium);
|
|
}
|
|
else {
|
|
painter->scale(_spatium, _spatium);
|
|
painter->setPen(QPen(curColor(), .15, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
|
|
painter->setBrush(Qt::NoBrush);
|
|
painter->drawPath(path);
|
|
painter->scale(1.0/_spatium, 1.0/_spatium);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// editDrag
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::editDrag(const EditData& ed)
|
|
{
|
|
int n = path.elementCount();
|
|
QPainterPath p;
|
|
qreal sp = spatium();
|
|
_lengthX += ed.delta.x();
|
|
_lengthY += ed.delta.y();
|
|
|
|
// used to limit how grips can affect the slide, stops the user from being able to turn one kind of slide into another
|
|
int slideBoundary = 5;
|
|
if ((_chordLineType == ChordLineType::PLOP || _chordLineType == ChordLineType::FALL) && _lengthY < -slideBoundary)
|
|
_lengthY = -slideBoundary;
|
|
else if ((_chordLineType == ChordLineType::FALL || _chordLineType == ChordLineType::DOIT) && _lengthX < -slideBoundary)
|
|
_lengthX = -slideBoundary;
|
|
else if ((_chordLineType == ChordLineType::DOIT || _chordLineType == ChordLineType::SCOOP) && _lengthY > slideBoundary)
|
|
_lengthY = slideBoundary;
|
|
else if ((_chordLineType == ChordLineType::SCOOP || _chordLineType == ChordLineType::PLOP) && _lengthX > slideBoundary)
|
|
_lengthX = slideBoundary;
|
|
|
|
qreal dx = ed.delta.x() / sp;
|
|
qreal dy = ed.delta.y() / sp;
|
|
for (int i = 0; i < n; ++i) {
|
|
const QPainterPath::Element& e = (_straight ? path.elementAt(1) : path.elementAt(i));
|
|
if (_straight) {
|
|
if (i > 0)
|
|
break;
|
|
// check the gradient of the line
|
|
const QPainterPath::Element& startPoint = path.elementAt(0);
|
|
if ( (_chordLineType == ChordLineType::FALL && (e.x + dx < startPoint.x || e.y + dy < startPoint.y)) ||
|
|
(_chordLineType == ChordLineType::DOIT && (e.x + dx < startPoint.x || e.y + dy > startPoint.y)) ||
|
|
(_chordLineType == ChordLineType::SCOOP && (e.x + dx > startPoint.x || e.y + dy < startPoint.y)) ||
|
|
(_chordLineType == ChordLineType::PLOP && (e.x + dx > startPoint.x || e.y + dy > startPoint.y)) )
|
|
return;
|
|
}
|
|
|
|
qreal x = e.x;
|
|
qreal y = e.y;
|
|
if (ed.curGrip == Grip(i)) {
|
|
x += dx;
|
|
y += dy;
|
|
}
|
|
switch(e.type) {
|
|
case QPainterPath::CurveToDataElement:
|
|
break;
|
|
case QPainterPath::MoveToElement:
|
|
p.moveTo(x, y);
|
|
break;
|
|
case QPainterPath::LineToElement:
|
|
p.lineTo(x, y);
|
|
break;
|
|
case QPainterPath::CurveToElement:
|
|
{
|
|
qreal x2 = path.elementAt(i+1).x;
|
|
qreal y2 = path.elementAt(i+1).y;
|
|
qreal x3 = path.elementAt(i+2).x;
|
|
qreal y3 = path.elementAt(i+2).y;
|
|
if (Grip(i + 1) == ed.curGrip) {
|
|
x2 += dx;
|
|
y2 += dy;
|
|
}
|
|
else if (Grip(i + 2) == ed.curGrip) {
|
|
x3 += dx;
|
|
y3 += dy;
|
|
}
|
|
p.cubicTo(x, y, x2, y2, x3, y3);
|
|
i += 2;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
path = p;
|
|
modified = true;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// updateGrips
|
|
//---------------------------------------------------------
|
|
|
|
void ChordLine::updateGrips(Grip* defaultGrip, QVector<QRectF>& grip) const
|
|
{
|
|
int n = path.elementCount();
|
|
QPointF cp(pagePos());
|
|
qreal sp = spatium();
|
|
if (_straight) {
|
|
// limit the number of grips to one
|
|
float offset = 0.5 * sp;
|
|
|
|
if (_chordLineType == ChordLineType::FALL)
|
|
grip[0].translate(QPointF(offset, -offset));
|
|
else if (_chordLineType == ChordLineType::DOIT)
|
|
grip[0].translate(QPointF(offset, offset));
|
|
else if (_chordLineType == ChordLineType::SCOOP)
|
|
grip[0].translate(QPointF(-offset, offset));
|
|
else if (_chordLineType == ChordLineType::PLOP)
|
|
grip[0].translate(QPointF(-offset, -offset));
|
|
|
|
// translate on the length and height - stops the grips from goint past boundries of slide
|
|
grip[0].translate(cp + QPointF(path.elementAt(1).x * sp, path.elementAt(1).y * sp));
|
|
}
|
|
else {
|
|
*defaultGrip = Grip(n - 1);
|
|
for (int i = 0; i < n; ++i)
|
|
grip[i].translate(cp + QPointF(path.elementAt(i).x * sp, path.elementAt(i).y * sp));
|
|
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// grips
|
|
//---------------------------------------------------------
|
|
|
|
int ChordLine::grips() const
|
|
{
|
|
if (_straight)
|
|
return 1;
|
|
return path.elementCount();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// accessibleInfo
|
|
//---------------------------------------------------------
|
|
|
|
QString ChordLine::accessibleInfo() const
|
|
{
|
|
QString rez = Element::accessibleInfo();
|
|
if(chordLineType() != ChordLineType::NOTYPE)
|
|
rez = QString("%1: %2").arg(rez).arg(scorelineNames[static_cast<int>(chordLineType()) - 1]);
|
|
return rez;
|
|
}
|
|
|
|
}
|
|
|