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page.cpp
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page.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 "page.h"
#include "score.h"
#include "text.h"
#include "xml.h"
#include "measure.h"
#include "style.h"
#include "chord.h"
#include "beam.h"
#include "tuplet.h"
#include "note.h"
#include "barline.h"
#include "slur.h"
#include "hook.h"
#include "bracket.h"
#include "line.h"
#include "staff.h"
#include "system.h"
#include "mscore.h"
#include "segment.h"
namespace Ms {
extern QString revision;
//---------------------------------------------------------
// Page
//---------------------------------------------------------
Page::Page(Score* s)
: Element(s, ElementFlag::NOT_SELECTABLE), _no(0)
{
bspTreeValid = false;
}
Page::~Page()
{
}
//---------------------------------------------------------
// items
//---------------------------------------------------------
QList<Element*> Page::items(const QRectF& r)
{
#ifdef USE_BSP
if (!bspTreeValid)
doRebuildBspTree();
QList<Element*> el = bspTree.items(r);
return el;
#else
Q_UNUSED(r)
return QList<Element*>();
#endif
}
QList<Element*> Page::items(const QPointF& p)
{
#ifdef USE_BSP
if (!bspTreeValid)
doRebuildBspTree();
return bspTree.items(p);
#else
Q_UNUSED(p)
return QList<Element*>();
#endif
}
//---------------------------------------------------------
// appendSystem
//---------------------------------------------------------
void Page::appendSystem(System* s)
{
s->setParent(this);
_systems.push_back(s);
}
//---------------------------------------------------------
// draw
// bounding rectangle fr is relative to page QPointF
//---------------------------------------------------------
void Page::draw(QPainter* painter) const
{
if (score()->layoutMode() != LayoutMode::PAGE)
return;
//
// draw header/footer
//
int n = no() + 1 + score()->pageNumberOffset();
painter->setPen(curColor());
QString s1, s2, s3;
if (score()->styleB(Sid::showHeader) && (no() || score()->styleB(Sid::headerFirstPage))) {
bool odd = (n & 1) || !score()->styleB(Sid::headerOddEven);
if (odd) {
s1 = score()->styleSt(Sid::oddHeaderL);
s2 = score()->styleSt(Sid::oddHeaderC);
s3 = score()->styleSt(Sid::oddHeaderR);
}
else {
s1 = score()->styleSt(Sid::evenHeaderL);
s2 = score()->styleSt(Sid::evenHeaderC);
s3 = score()->styleSt(Sid::evenHeaderR);
}
drawHeaderFooter(painter, 0, s1);
drawHeaderFooter(painter, 1, s2);
drawHeaderFooter(painter, 2, s3);
}
if (score()->styleB(Sid::showFooter) && (no() || score()->styleB(Sid::footerFirstPage))) {
bool odd = (n & 1) || !score()->styleB(Sid::footerOddEven);
if (odd) {
s1 = score()->styleSt(Sid::oddFooterL);
s2 = score()->styleSt(Sid::oddFooterC);
s3 = score()->styleSt(Sid::oddFooterR);
}
else {
s1 = score()->styleSt(Sid::evenFooterL);
s2 = score()->styleSt(Sid::evenFooterC);
s3 = score()->styleSt(Sid::evenFooterR);
}
drawHeaderFooter(painter, 3, s1);
drawHeaderFooter(painter, 4, s2);
drawHeaderFooter(painter, 5, s3);
}
}
//---------------------------------------------------------
// drawHeaderFooter
//---------------------------------------------------------
void Page::drawHeaderFooter(QPainter* p, int area, const QString& ss) const
{
Text* text = layoutHeaderFooter(area, ss);
if (!text)
return;
p->translate(text->pos());
text->draw(p);
p->translate(-text->pos());
text->setParent(0);
}
//---------------------------------------------------------
// layoutHeaderFooter
//---------------------------------------------------------
Text* Page::layoutHeaderFooter(int area, const QString& ss) const
{
QString s = replaceTextMacros(ss);
if (s.isEmpty())
return nullptr;
Text* text;
if (area < MAX_HEADERS) {
text = score()->headerText(area);
if (!text) {
text = new Text(score(), Tid::HEADER);
text->setFlag(ElementFlag::MOVABLE, false);
text->setFlag(ElementFlag::GENERATED, true); // set to disable editing
text->setLayoutToParentWidth(true);
score()->setHeaderText(text, area);
}
}
else {
text = score()->footerText(area - MAX_HEADERS); // because they are 3 4 5
if (!text) {
text = new Text(score(), Tid::FOOTER);
text->setFlag(ElementFlag::MOVABLE, false);
text->setFlag(ElementFlag::GENERATED, true); // set to disable editing
text->setLayoutToParentWidth(true);
score()->setFooterText(text, area - MAX_HEADERS);
}
text->setLayoutRelativeToBottom(score()->styleB(Sid::footerInsideMargins));
}
text->setParent((Page*)this);
Align flags = Align::LEFT;
switch (area) {
case 0: flags = Align::LEFT | Align::TOP; break;
case 1: flags = Align::HCENTER | Align::TOP; break;
case 2: flags = Align::RIGHT | Align::TOP; break;
case 3: flags = Align::LEFT | Align::BOTTOM; break;
case 4: flags = Align::HCENTER | Align::BOTTOM; break;
case 5: flags = Align::RIGHT | Align::BOTTOM; break;
}
text->setAlign(flags);
text->setXmlText(s);
text->layout();
return text;
}
//---------------------------------------------------------
// headerExtension
// - how much the header extends into the page (i.e., not in the margins)
//---------------------------------------------------------
qreal Page::headerExtension() const
{
if (!score()->pageMode())
return 0.0;
int n = no() + 1 + score()->pageNumberOffset();
QString s1, s2, s3;
if (score()->styleB(Sid::showHeader) && (no() || score()->styleB(Sid::headerFirstPage))) {
bool odd = (n & 1) || !score()->styleB(Sid::headerOddEven);
if (odd) {
s1 = score()->styleSt(Sid::oddHeaderL);
s2 = score()->styleSt(Sid::oddHeaderC);
s3 = score()->styleSt(Sid::oddHeaderR);
}
else {
s1 = score()->styleSt(Sid::evenHeaderL);
s2 = score()->styleSt(Sid::evenHeaderC);
s3 = score()->styleSt(Sid::evenHeaderR);
}
Text* headerLeft = layoutHeaderFooter(0, s1);
Text* headerCenter = layoutHeaderFooter(1, s2);
Text* headerRight = layoutHeaderFooter(2, s3);
qreal headerLeftHeight = headerLeft ? headerLeft->height() : 0.0;
qreal headerCenterHeight = headerCenter ? headerCenter->height() : 0.0;
qreal headerRightHeight = headerRight ? headerRight->height() : 0.0;
qreal headerHeight = qMax(headerLeftHeight, qMax(headerCenterHeight, headerRightHeight));
qreal headerOffset = score()->styleV(Sid::headerOffset).value<QPointF>().y() * DPMM;
return qMax(0.0, headerHeight - headerOffset);
}
return 0.0;
}
//---------------------------------------------------------
// footerExtension
// - how much the footer extends into the page (i.e., not in the margins)
//---------------------------------------------------------
qreal Page::footerExtension() const
{
if (!score()->pageMode())
return 0.0;
int n = no() + 1 + score()->pageNumberOffset();
QString s1, s2, s3;
if (score()->styleB(Sid::showFooter) && (no() || score()->styleB(Sid::footerFirstPage))) {
bool odd = (n & 1) || !score()->styleB(Sid::footerOddEven);
if (odd) {
s1 = score()->styleSt(Sid::oddFooterL);
s2 = score()->styleSt(Sid::oddFooterC);
s3 = score()->styleSt(Sid::oddFooterR);
}
else {
s1 = score()->styleSt(Sid::evenFooterL);
s2 = score()->styleSt(Sid::evenFooterC);
s3 = score()->styleSt(Sid::evenFooterR);
}
Text* footerLeft = layoutHeaderFooter(3, s1);
Text* footerCenter = layoutHeaderFooter(4, s2);
Text* footerRight = layoutHeaderFooter(5, s3);
qreal footerLeftHeight = footerLeft ? footerLeft->height() : 0.0;
qreal footerCenterHeight = footerCenter ? footerCenter->height() : 0.0;
qreal footerRightHeight = footerRight ? footerRight->height() : 0.0;
qreal footerHeight = qMax(footerLeftHeight, qMax(footerCenterHeight, footerRightHeight));
qreal footerOffset = score()->styleV(Sid::footerOffset).value<QPointF>().y() * DPMM;
return qMax(0.0, footerHeight - footerOffset);
}
return 0.0;
}
#if 0
//---------------------------------------------------------
// styleChanged
//---------------------------------------------------------
void Page::styleChanged()
{
Text* t = score()->headerText();
if (t)
t->styleChanged();
t = score()->footerText();
if (t)
t->styleChanged();
}
#endif
//---------------------------------------------------------
// scanElements
//---------------------------------------------------------
void Page::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
for (System* s :qAsConst(_systems)) {
for (MeasureBase* m : s->measures())
m->scanElements(data, func, all);
s->scanElements(data, func, all);
}
func(data, this);
}
#ifdef USE_BSP
//---------------------------------------------------------
// bspInsert
//---------------------------------------------------------
static void bspInsert(void* bspTree, Element* e)
{
((BspTree*) bspTree)->insert(e);
}
static void countElements(void* data, Element* /*e*/)
{
++(*(int*)data);
}
//---------------------------------------------------------
// doRebuildBspTree
//---------------------------------------------------------
void Page::doRebuildBspTree()
{
int n = 0;
scanElements(&n, countElements, false);
QRectF r;
if (score()->layoutMode() == LayoutMode::LINE) {
qreal w = 0.0;
qreal h = 0.0;
if (!_systems.empty()) {
h = _systems.front()->height();
if (!_systems.front()->measures().empty()) {
MeasureBase* mb = _systems.front()->measures().back();
w = mb->x() + mb->width();
}
}
r = QRectF(0.0, 0.0, w, h);
}
else
r = abbox();
bspTree.initialize(r, n);
scanElements(&bspTree, &bspInsert, false);
bspTreeValid = true;
}
#endif
//---------------------------------------------------------
// replaceTextMacros
// (keep in sync with toolTipHeaderFooter in EditStyle::EditStyle())
// $p - page number, except on first page
// $P - page number, on all pages
// $N - page number, if there is more than one
// $n - number of pages
// $i - part name, except on first page
// $I - part name, on all pages
// $f - file name
// $F - file path+name
// $d - current date
// $D - creation date
// $m - last modification time
// $M - last modification date
// $C - copyright, on first page only
// $c - copyright, on all pages
// $v - MuseScore version the score was last saved with
// $r - MuseScore revision the score was last saved with
// $$ - the $ sign itself
// $:tag: - any metadata tag
//
// tags always defined (see Score::init())):
// copyright
// creationDate
// movementNumber
// movementTitle
// platform
// source
// workNumber
// workTitle
//---------------------------------------------------------
QString Page::replaceTextMacros(const QString& s) const
{
QString d;
for (int i = 0, n = s.size(); i < n; ++i) {
QChar c = s[i];
if (c == '$' && (i < (n-1))) {
QChar nc = s[i+1];
switch(nc.toLatin1()) {
case 'p': // not on page 1
if (_no) // FALLTHROUGH
case 'N': // on page 1 only if there are multiple pages
if ((score()->npages() + score()->pageNumberOffset()) > 1) // FALLTHROUGH
case 'P': // on all pages
{
int no = _no + 1 + score()->pageNumberOffset();
if (no > 0 ) // except page numbers < 1
d += QString("%1").arg(no);
}
break;
case 'n':
d += QString("%1").arg(score()->npages() + score()->pageNumberOffset());
break;
case 'i': // not on page 1
if (_no) // FALLTHROUGH
case 'I':
d += score()->metaTag("partName").toHtmlEscaped();
break;
case 'f':
d += masterScore()->fileInfo()->completeBaseName().toHtmlEscaped();
break;
case 'F':
d += masterScore()->fileInfo()->absoluteFilePath().toHtmlEscaped();
break;
case 'd':
d += QLocale().toString(QDate::currentDate(), QLocale::ShortFormat);
break;
case 'D':
{
QString creationDate = score()->metaTag("creationDate");
if (creationDate.isNull())
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
d += QLocale().toString(masterScore()->fileInfo()->created().date(), QLocale::ShortFormat);
#else
d += QLocale().toString(masterScore()->fileInfo()->birthTime().date(), QLocale::ShortFormat);
#endif
else
d += QLocale().toString(QDate::fromString(creationDate, Qt::ISODate), QLocale::ShortFormat);
}
break;
case 'm':
if (score()->dirty())
d += QLocale().toString(QDate::currentDate(), QLocale::ShortFormat);
else
d += QLocale().toString(masterScore()->fileInfo()->lastModified().time(), QLocale::ShortFormat);
break;
case 'M':
if (score()->dirty())
d += QLocale().toString(QDate::currentDate(), QLocale::ShortFormat);
else
d += QLocale().toString(masterScore()->fileInfo()->lastModified().date(), QLocale::ShortFormat);
break;
case 'C': // only on page 1
if (!_no) // FALLTHROUGH
case 'c':
d += score()->metaTag("copyright").toHtmlEscaped();
break;
case 'v':
if (score()->dirty())
d += QString(VERSION);
else
d += score()->mscoreVersion();
break;
case 'r':
if (score()->dirty()) {
d += revision;
}
else {
int rev = score()->mscoreRevision();
if (rev > 99999) // MuseScore 1.3 is decimal 5702, 2.0 and later uses a 7-digit hex SHA
d += QString::number(rev, 16);
else
d += QString::number(rev, 10);
}
break;
case '$':
d += '$';
break;
case ':':
{
QString tag;
int k = i+2;
for (; k < n; ++k) {
if (s[k].toLatin1() == ':')
break;
tag += s[k];
}
if (k != n) { // found ':' ?
d += score()->metaTag(tag).toHtmlEscaped();
i = k-1;
}
}
break;
default:
d += '$';
d += nc;
break;
}
++i;
}
else if (c == '&')
d += "&";
else
d += c;
}
return d;
}
//---------------------------------------------------------
// isOdd
//---------------------------------------------------------
bool Page::isOdd() const
{
return (_no + 1 + score()->pageNumberOffset()) & 1;
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Page::write(XmlWriter& xml) const
{
xml.stag(this);
foreach(System* system, _systems) {
system->write(xml);
}
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Page::read(XmlReader& e)
{
while (e.readNextStartElement()) {
if (e.name() == "System") {
System* system = new System(score());
score()->systems().push_back(system);
system->read(e);
}
else
e.unknown();
}
}
//---------------------------------------------------------
// elements
//---------------------------------------------------------
QList<Element*> Page::elements()
{
QList<Element*> el;
scanElements(&el, collectElements, false);
return el;
}
//---------------------------------------------------------
// tm
//---------------------------------------------------------
qreal Page::tm() const
{
return ((!score()->styleB(Sid::pageTwosided) || isOdd())
? score()->styleD(Sid::pageOddTopMargin) : score()->styleD(Sid::pageEvenTopMargin)) * DPI;
}
//---------------------------------------------------------
// bm
//---------------------------------------------------------
qreal Page::bm() const
{
return ((!score()->styleB(Sid::pageTwosided) || isOdd())
? score()->styleD(Sid::pageOddBottomMargin) : score()->styleD(Sid::pageEvenBottomMargin)) * DPI;
}
//---------------------------------------------------------
// lm
//---------------------------------------------------------
qreal Page::lm() const
{
return ((!score()->styleB(Sid::pageTwosided) || isOdd())
? score()->styleD(Sid::pageOddLeftMargin) : score()->styleD(Sid::pageEvenLeftMargin)) * DPI;
}
//---------------------------------------------------------
// rm
//---------------------------------------------------------
qreal Page::rm() const
{
return (score()->styleD(Sid::pageWidth) - score()->styleD(Sid::pagePrintableWidth)) * DPI - lm();
}
//---------------------------------------------------------
// tbbox
// calculates and returns smallest rectangle containing all (visible) page elements
//---------------------------------------------------------
QRectF Page::tbbox()
{
qreal x1 = width();
qreal x2 = 0.0;
qreal y1 = height();
qreal y2 = 0.0;
const QList<Element*> el = elements();
for (Element* e : el) {
if (e == this || !e->isPrintable())
continue;
QRectF ebbox = e->pageBoundingRect();
if (ebbox.left() < x1)
x1 = ebbox.left();
if (ebbox.right() > x2)
x2 = ebbox.right();
if (ebbox.top() < y1)
y1 = ebbox.top();
if (ebbox.bottom() > y2)
y2 = ebbox.bottom();
}
if (x1 < x2 && y1 < y2)
return QRectF(x1, y1, x2 - x1, y2 - y1);
else
return abbox();
}
//---------------------------------------------------------
// endTick
//---------------------------------------------------------
Fraction Page::endTick() const
{
return _systems.empty() ? Fraction(-1,1) : _systems.back()->measures().back()->endTick();
}
}