MuseScore/libmscore/textline.cpp
2014-05-27 17:09:27 +02:00

866 lines
28 KiB
C++

//=============================================================================
// 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 "textline.h"
#include "style.h"
#include "system.h"
#include "measure.h"
#include "xml.h"
#include "utils.h"
#include "score.h"
#include "sym.h"
#include "text.h"
#include "mscore.h"
namespace Ms {
//---------------------------------------------------------
// TextLineSegment
//---------------------------------------------------------
TextLineSegment::TextLineSegment(Score* s)
: LineSegment(s)
{
_text = 0;
}
TextLineSegment::TextLineSegment(const TextLineSegment& seg)
: LineSegment(seg)
{
_text = 0;
layout(); // set the right _text
}
TextLineSegment::~TextLineSegment()
{
delete _text;
}
//---------------------------------------------------------
// setSelected
//---------------------------------------------------------
void TextLineSegment::setSelected(bool f)
{
Element::setSelected(f);
if (_text) {
if (spannerSegmentType() == SpannerSegmentType::SINGLE || spannerSegmentType() == SpannerSegmentType::BEGIN) {
if (textLine()->_beginText)
_text->setSelected(f);
}
else if (textLine()->_continueText)
_text->setSelected(f);
}
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void TextLineSegment::draw(QPainter* painter) const
{
TextLine* tl = textLine();
qreal _spatium = spatium();
qreal textlineLineWidth = tl->lineWidth().val() * _spatium;
qreal textlineTextDistance = _spatium * .5;
QPointF pp2(pos2());
QColor color;
bool normalColor = false;
if (selected() && !(score() && score()->printing()))
color = MScore::selectColor[0];
else if (!tl->visible())
color = Qt::gray;
else {
color = tl->curColor();
normalColor = true;
}
qreal l = 0.0;
if (_text) {
SpannerSegmentType st = spannerSegmentType();
if (
((st == SpannerSegmentType::SINGLE || st == SpannerSegmentType::BEGIN) && (tl->beginTextPlace() == PlaceText::LEFT))
|| ((st == SpannerSegmentType::MIDDLE || st == SpannerSegmentType::END) && (tl->continueTextPlace() == PlaceText::LEFT))
) {
QRectF bb(_text->bbox());
l = _text->pos().x() + bb.width() + textlineTextDistance;
}
painter->translate(_text->pos());
_text->setVisible(tl->visible());
_text->draw(painter);
painter->translate(-_text->pos());
}
QPen pen(normalColor ? tl->lineColor() : color, textlineLineWidth, tl->lineStyle());
painter->setPen(pen);
if (spannerSegmentType() == SpannerSegmentType::SINGLE || spannerSegmentType() == SpannerSegmentType::END) {
if (tl->_endText) {
#if 0 // TODO
SymId sym = tl->endSymbol();
const QRectF& bb = symBbox(sym);
qreal h = bb.height() * .5;
QPointF o = tl->endSymbolOffset() * _spatium;
pp2.setX(pp2.x() - bb.width() + textlineTextDistance);
drawSymbol(sym, painter, QPointF(pp2.x() + textlineTextDistance + o.x(), h + o.y()));
#endif
}
}
QPointF pp1(l, 0.0);
qreal beginHookWidth;
qreal endHookWidth;
if (tl->beginHook() && tl->beginHookType() == HookType::HOOK_45) {
beginHookWidth = fabs(tl->beginHookHeight().val() * _spatium * .4);
pp1.rx() += beginHookWidth;
}
else
beginHookWidth = 0;
if (tl->endHook() && tl->endHookType() == HookType::HOOK_45) {
endHookWidth = fabs(tl->endHookHeight().val() * _spatium * .4);
pp2.rx() -= endHookWidth;
}
else
endHookWidth = 0;
painter->drawLine(QLineF(pp1.x(), pp1.y(), pp2.x(), pp2.y()));
if (tl->beginHook()
&& (spannerSegmentType() == SpannerSegmentType::SINGLE
|| spannerSegmentType() == SpannerSegmentType::BEGIN)
) {
qreal hh = tl->beginHookHeight().val() * _spatium;
painter->drawLine(QLineF(pp1.x(), pp1.y(), pp1.x() - beginHookWidth, pp1.y() + hh));
}
if (tl->endHook()
&& (spannerSegmentType() == SpannerSegmentType::SINGLE
|| spannerSegmentType() == SpannerSegmentType::END)
) {
qreal hh = tl->endHookHeight().val() * _spatium;
painter->drawLine(QLineF(pp2.x(), pp2.y(), pp2.x() + endHookWidth, pp2.y() + hh));
}
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void TextLineSegment::layout()
{
layout1();
adjustReadPos();
}
//---------------------------------------------------------
// layout1
//---------------------------------------------------------
void TextLineSegment::layout1()
{
TextLine* tl = textLine();
if (!tl->diagonal())
_userOff2.setY(0);
switch (spannerSegmentType()) {
case SpannerSegmentType::SINGLE:
case SpannerSegmentType::BEGIN:
if (tl->_beginText) {
if (_text == 0) {
_text = new Text(*tl->_beginText);
_text->setFlag(ElementFlag::MOVABLE, false);
_text->setParent(this);
}
else {
_text->setTextStyleType(tl->_beginText->textStyleType());
_text->setText(tl->_beginText->text());
}
}
else {
delete _text;
_text = 0;
}
break;
case SpannerSegmentType::MIDDLE:
case SpannerSegmentType::END:
if (tl->_continueText) {
if (_text == 0) {
_text = new Text(*tl->_continueText);
_text->setFlag(ElementFlag::MOVABLE, false);
_text->setParent(this);
}
else {
_text->setTextStyleType(tl->_beginText->textStyleType());
_text->setText(tl->_continueText->text());
}
}
else {
delete _text;
_text = 0;
}
break;
}
if (_text)
_text->layout();
QPointF pp1;
QPointF pp2(pos2());
if (!_text && pp2.y() != 0) {
setbbox(QRectF(pp1, pp2).normalized());
return;
}
qreal y1 = point(-textLine()->lineWidth());
qreal y2 = -y1;
if (_text) {
qreal h = _text->height();
if (textLine()->beginTextPlace() == PlaceText::ABOVE)
y1 = -h;
else if (textLine()->beginTextPlace() == PlaceText::BELOW)
y2 = h;
else {
y1 = -h * .5;
y2 = h * .5;
}
}
if (textLine()->endHook()) {
qreal h = point(textLine()->endHookHeight());
if (h > y2)
y2 = h;
else if (h < y1)
y1 = h;
}
if (textLine()->beginHook()) {
qreal h = point(textLine()->beginHookHeight());
if (h > y2)
y2 = h;
else if (h < y1)
y1 = h;
}
bbox().setRect(.0, y1, pp2.x(), y2 - y1);
}
//---------------------------------------------------------
// clearText
//---------------------------------------------------------
void TextLineSegment::clearText()
{
delete _text;
_text = 0;
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant TextLineSegment::getProperty(P_ID id) const
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
case P_ID::CONTINUE_TEXT_PLACE:
case P_ID::END_TEXT_PLACE:
case P_ID::BEGIN_HOOK:
case P_ID::END_HOOK:
case P_ID::BEGIN_HOOK_HEIGHT:
case P_ID::END_HOOK_HEIGHT:
case P_ID::BEGIN_HOOK_TYPE:
case P_ID::END_HOOK_TYPE:
case P_ID::BEGIN_TEXT:
case P_ID::CONTINUE_TEXT:
case P_ID::END_TEXT:
case P_ID::LINE_COLOR:
case P_ID::LINE_WIDTH:
return textLine()->getProperty(id);
default:
return LineSegment::getProperty(id);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool TextLineSegment::setProperty(P_ID id, const QVariant& v)
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
case P_ID::CONTINUE_TEXT_PLACE:
case P_ID::END_TEXT_PLACE:
case P_ID::BEGIN_HOOK:
case P_ID::END_HOOK:
case P_ID::BEGIN_HOOK_HEIGHT:
case P_ID::END_HOOK_HEIGHT:
case P_ID::BEGIN_HOOK_TYPE:
case P_ID::END_HOOK_TYPE:
case P_ID::BEGIN_TEXT:
case P_ID::CONTINUE_TEXT:
case P_ID::END_TEXT:
case P_ID::LINE_COLOR:
case P_ID::LINE_WIDTH:
return textLine()->setProperty(id, v);
default:
return LineSegment::setProperty(id, v);
}
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant TextLineSegment::propertyDefault(P_ID id) const
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
case P_ID::CONTINUE_TEXT_PLACE:
case P_ID::END_TEXT_PLACE:
case P_ID::BEGIN_HOOK:
case P_ID::END_HOOK:
case P_ID::BEGIN_HOOK_HEIGHT:
case P_ID::END_HOOK_HEIGHT:
case P_ID::BEGIN_HOOK_TYPE:
case P_ID::END_HOOK_TYPE:
case P_ID::BEGIN_TEXT:
case P_ID::CONTINUE_TEXT:
case P_ID::END_TEXT:
case P_ID::LINE_COLOR:
case P_ID::LINE_WIDTH:
return textLine()->propertyDefault(id);
default:
return LineSegment::propertyDefault(id);
}
}
//---------------------------------------------------------
// TextLine
//---------------------------------------------------------
TextLine::TextLine(Score* s)
: SLine(s)
{
_beginText = 0;
_continueText = 0;
_endText = 0;
_beginHookHeight = Spatium(1.5);
_endHookHeight = Spatium(1.5);
_beginHook = false;
_endHook = false;
_beginHookType = HookType::HOOK_90;
_endHookType = HookType::HOOK_90;
_beginTextPlace = PlaceText::LEFT;
_continueTextPlace = PlaceText::LEFT;
_endTextPlace = PlaceText::LEFT;
}
TextLine::TextLine(const TextLine& e)
: SLine(e)
{
_beginTextPlace = e._beginTextPlace;
_continueTextPlace = e._continueTextPlace;
_endTextPlace = e._endTextPlace;
_beginHook = e._beginHook;
_endHook = e._endHook;
_beginHookType = e._beginHookType;
_endHookType = e._endHookType;
_beginHookHeight = e._beginHookHeight;
_endHookHeight = e._endHookHeight;
_beginText = 0;
_continueText = 0;
_endText = 0;
if (e._beginText) {
_beginText = e._beginText->clone(); // deep copy
_beginText->setParent(this);
}
if (e._continueText) {
_continueText = e._continueText->clone();
_continueText->setParent(this);
}
if (e._endText) {
_endText = e._endText->clone();
_endText->setParent(this);
}
}
//---------------------------------------------------------
// TextLine
//---------------------------------------------------------
TextLine::~TextLine()
{
delete _beginText;
delete _continueText;
delete _endText;
}
//---------------------------------------------------------
// setBeginText
//---------------------------------------------------------
void TextLine::setBeginText(const QString& s, int textStyle)
{
if (!_beginText) {
_beginText = new Text(score());
_beginText->setParent(this);
}
_beginText->setTextStyleType(textStyle);
_beginText->setText(s);
}
void TextLine::setBeginText(const QString& s)
{
if (s.isEmpty()) {
delete _beginText;
_beginText = 0;
return;
}
if (!_beginText) {
_beginText = new Text(score());
_beginText->setParent(this);
_beginText->setTextStyleType(TEXT_STYLE_TEXTLINE);
}
_beginText->setText(s);
}
//---------------------------------------------------------
// setContinueText
//---------------------------------------------------------
void TextLine::setContinueText(const QString& s, int textStyle)
{
if (!_continueText) {
_continueText = new Text(score());
_continueText->setParent(this);
}
_continueText->setTextStyleType(textStyle);
_continueText->setText(s);
}
void TextLine::setContinueText(const QString& s)
{
if (s.isEmpty()) {
delete _continueText;
_continueText = 0;
return;
}
if (!_continueText) {
_continueText = new Text(score());
_continueText->setParent(this);
_continueText->setTextStyleType(TEXT_STYLE_TEXTLINE);
}
_continueText->setText(s);
}
//---------------------------------------------------------
// setEndText
//---------------------------------------------------------
void TextLine::setEndText(const QString& s, int textStyle)
{
if (s.isEmpty()) {
delete _endText;
_endText = 0;
return;
}
if (!_endText) {
_endText = new Text(score());
_endText->setParent(this);
}
_endText->setTextStyleType(textStyle);
_endText->setText(s);
}
void TextLine::setEndText(const QString& s)
{
if (!_endText) {
_endText = new Text(score());
_endText->setParent(this);
_endText->setTextStyleType(TEXT_STYLE_TEXTLINE);
}
_endText->setText(s);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void TextLine::write(Xml& xml) const
{
xml.stag(QString("%1 id=\"%2\"").arg(name()).arg(id()));
writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void TextLine::read(XmlReader& e)
{
qDeleteAll(spannerSegments());
spannerSegments().clear();
setId(e.intAttribute("id", -1));
while (e.readNextStartElement()) {
if (!readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// createLineSegment
//---------------------------------------------------------
LineSegment* TextLine::createLineSegment()
{
return new TextLineSegment(score());
}
//---------------------------------------------------------
// layout
// compute segments from tick() to _tick2
//---------------------------------------------------------
void TextLine::layout()
{
SLine::layout();
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void TextLineSegment::spatiumChanged(qreal ov, qreal nv)
{
textLine()->spatiumChanged(ov, nv);
if (_text)
_text->spatiumChanged(ov, nv);
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void TextLine::spatiumChanged(qreal ov, qreal nv)
{
if (_beginText)
_beginText->spatiumChanged(ov, nv);
if (_continueText)
_continueText->spatiumChanged(ov, nv);
}
//---------------------------------------------------------
// beginText
//---------------------------------------------------------
QString TextLine::beginText() const
{
return _beginText ? _beginText->text() : "";
}
//---------------------------------------------------------
// continueText
//---------------------------------------------------------
QString TextLine::continueText() const
{
return _continueText ? _continueText->text() : "";
}
//---------------------------------------------------------
// endText
//---------------------------------------------------------
QString TextLine::endText() const
{
return _endText ? _endText->text() : "";
}
//---------------------------------------------------------
// writeProperties
// write properties different from prototype
//---------------------------------------------------------
void TextLine::writeProperties(Xml& xml) const
{
if (_beginHook) {
writeProperty(xml, P_ID::BEGIN_HOOK);
writeProperty(xml, P_ID::BEGIN_HOOK_HEIGHT);
writeProperty(xml, P_ID::BEGIN_HOOK_TYPE);
}
if (_endHook) {
writeProperty(xml, P_ID::END_HOOK);
writeProperty(xml, P_ID::END_HOOK_HEIGHT);
writeProperty(xml, P_ID::END_HOOK_TYPE);
}
writeProperty(xml, P_ID::BEGIN_TEXT_PLACE);
writeProperty(xml, P_ID::CONTINUE_TEXT_PLACE);
writeProperty(xml, P_ID::END_TEXT_PLACE);
SLine::writeProperties(xml);
if (_beginText) {
bool textDiff = _beginText->text() != propertyDefault(P_ID::BEGIN_TEXT).toString();
bool styleDiff = _beginText->textStyle() != propertyDefault(P_ID::BEGIN_TEXT_STYLE).value<TextStyle>();
if (textDiff || styleDiff) {
xml.stag("beginText");
_beginText->writeProperties(xml, textDiff, styleDiff);
xml.etag();
}
}
if (_continueText) {
bool textDiff = _continueText->text() != propertyDefault(P_ID::CONTINUE_TEXT).toString();
bool styleDiff = _continueText->textStyle() != propertyDefault(P_ID::CONTINUE_TEXT_STYLE).value<TextStyle>();
if (textDiff || styleDiff) {
xml.stag("continueText");
_continueText->writeProperties(xml, textDiff, styleDiff);
xml.etag();
}
}
if (_endText) {
bool textDiff = _endText->text() != propertyDefault(P_ID::END_TEXT).toString();
bool styleDiff = _endText->textStyle() != propertyDefault(P_ID::END_TEXT_STYLE).value<TextStyle>();
if (textDiff || styleDiff) {
xml.stag("endText");
_endText->writeProperties(xml, textDiff, styleDiff);
xml.etag();
}
}
}
//---------------------------------------------------------
// resolveSymCompatibility
//---------------------------------------------------------
static QString resolveSymCompatibility(SymId i, QString programVersion)
{
if (!programVersion.isEmpty() && programVersion < "1.1")
i = SymId(int(i) + 5);
switch(int(i)) {
case 197: return "keyboardPedalPed";
case 191: return "keyboardPedalUp";
case 193: return "noSym"; //SymId(pedaldotSym);
case 192: return "noSym"; //SymId(pedaldashSym);
case 139: return "ornamentTrill";
default: return "noSym";
}
}
//---------------------------------------------------------
// readProperties
//---------------------------------------------------------
bool TextLine::readProperties(XmlReader& e)
{
const QStringRef& tag(e.name());
if (tag == "beginHook")
_beginHook = (e.readInt() != 0);
else if (tag == "beginHookHeight") {
_beginHookHeight = Spatium(e.readDouble());
_beginHook = true;
}
else if (tag == "beginHookType")
_beginHookType = HookType(e.readInt());
else if (tag == "endHook")
_endHook = (e.readInt() != 0);
else if (tag == "endHookHeight" || tag == "hookHeight") { // hookHeight is obsolete
_endHookHeight = Spatium(e.readDouble());
_endHook = true;
}
else if (tag == "endHookType")
_endHookType = HookType(e.readInt());
else if (tag == "hookUp") // obsolete
_endHookHeight *= qreal(-1.0);
else if (tag == "beginSymbol" || tag == "symbol") { // "symbol" is obsolete
QString text(e.readElementText());
setBeginText(QString("<sym>%1</sym>").arg(text[0].isNumber() ? resolveSymCompatibility(SymId(text.toInt()), score()->mscoreVersion()) : text));
}
else if (tag == "continueSymbol") {
QString text(e.readElementText());
setContinueText(QString("<sym>%1</sym>").arg(text[0].isNumber() ? resolveSymCompatibility(SymId(text.toInt()), score()->mscoreVersion()) : text));
}
else if (tag == "endSymbol") {
QString text(e.readElementText());
setEndText(QString("<sym>%1</sym>").arg(text[0].isNumber() ? resolveSymCompatibility(SymId(text.toInt()), score()->mscoreVersion()) : text));
}
else if (tag == "beginSymbolOffset") // obsolete
e.readPoint();
else if (tag == "continueSymbolOffset") // obsolete
e.readPoint();
else if (tag == "endSymbolOffset") // obsolete
e.readPoint();
else if (tag == "beginTextPlace")
_beginTextPlace = readPlacement(e);
else if (tag == "continueTextPlace")
_continueTextPlace = readPlacement(e);
else if (tag == "endTextPlace")
_endTextPlace = readPlacement(e);
else if (tag == "beginText") {
if (!_beginText) {
_beginText = new Text(score());
_beginText->setParent(this);
}
else
_beginText->setText("");
_beginText->read(e);
}
else if (tag == "continueText") {
if (!_continueText) {
_continueText = new Text(score());
_continueText->setParent(this);
}
else
_continueText->setText("");
_continueText->read(e);
}
else if (tag == "endText") {
if (!_endText) {
_endText = new Text(score());
_endText->setParent(this);
}
else
_endText->setText("");
_endText->read(e);
}
else if (!SLine::readProperties(e)) {
qDebug(" ==readSLineProps: failed");
return false;
}
return true;
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant TextLine::getProperty(P_ID id) const
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
return int(_beginTextPlace);
case P_ID::CONTINUE_TEXT_PLACE:
return int(_continueTextPlace);
case P_ID::END_TEXT_PLACE:
return int(_endTextPlace);
case P_ID::BEGIN_HOOK:
return _beginHook;
case P_ID::END_HOOK:
return _endHook;
case P_ID::BEGIN_HOOK_HEIGHT:
return _beginHookHeight.val();
case P_ID::END_HOOK_HEIGHT:
return _endHookHeight.val();
case P_ID::BEGIN_HOOK_TYPE:
return int(_beginHookType);
case P_ID::END_HOOK_TYPE:
return int(_endHookType);
case P_ID::BEGIN_TEXT:
return beginText();
case P_ID::CONTINUE_TEXT:
return continueText();
case P_ID::END_TEXT:
return endText();
default:
return SLine::getProperty(id);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool TextLine::setProperty(P_ID id, const QVariant& v)
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
_beginTextPlace = PlaceText(v.toInt());
break;
case P_ID::CONTINUE_TEXT_PLACE:
_continueTextPlace = PlaceText(v.toInt());
break;
case P_ID::END_TEXT_PLACE:
_endTextPlace = PlaceText(v.toInt());
break;
case P_ID::BEGIN_HOOK:
_beginHook = v.toBool();
break;
case P_ID::END_HOOK:
_endHook = v.toBool();
break;
case P_ID::BEGIN_HOOK_HEIGHT:
_beginHookHeight = Spatium(v.toDouble());
break;
case P_ID::END_HOOK_HEIGHT:
_endHookHeight = Spatium(v.toDouble());
break;
case P_ID::BEGIN_HOOK_TYPE:
_beginHookType = HookType(v.toInt());
break;
case P_ID::END_HOOK_TYPE:
_endHookType = HookType(v.toInt());
break;
case P_ID::BEGIN_TEXT:
setBeginText(v.toString());
break;
case P_ID::CONTINUE_TEXT:
setContinueText(v.toString());
break;
case P_ID::END_TEXT:
setEndText(v.toString());
break;
default:
return SLine::setProperty(id, v);
}
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant TextLine::propertyDefault(P_ID id) const
{
switch (id) {
case P_ID::BEGIN_TEXT_PLACE:
case P_ID::CONTINUE_TEXT_PLACE:
case P_ID::END_TEXT_PLACE:
return int(PlaceText::LEFT);
case P_ID::BEGIN_HOOK:
case P_ID::END_HOOK:
return false;
case P_ID::BEGIN_HOOK_HEIGHT:
case P_ID::END_HOOK_HEIGHT:
return 1.5;
case P_ID::BEGIN_HOOK_TYPE:
case P_ID::END_HOOK_TYPE:
return int(HookType::HOOK_90);
case P_ID::BEGIN_TEXT:
case P_ID::CONTINUE_TEXT:
case P_ID::END_TEXT:
return QString("");
default:
return SLine::propertyDefault(id);
}
}
}