MuseScore/mscore/palette.cpp
2012-09-13 18:07:11 +02:00

1738 lines
60 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: palette.cpp 5576 2012-04-24 19:15:22Z wschweer $
//
// Copyright (C) 2011 Werner Schweer and others
//
// 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 LICENSE.GPL
//=============================================================================
#include "palette.h"
#include "musescore.h"
#include "libmscore/element.h"
#include "libmscore/style.h"
#include "globals.h"
#include "libmscore/sym.h"
#include "libmscore/symbol.h"
#include "libmscore/score.h"
#include "libmscore/image.h"
#include "libmscore/xml.h"
#include "scoreview.h"
#include "libmscore/note.h"
#include "libmscore/chord.h"
#include "libmscore/clef.h"
#include "libmscore/segment.h"
#include "preferences.h"
#include "seq.h"
#include "libmscore/part.h"
#include "libmscore/textline.h"
#include "libmscore/measure.h"
#include "libmscore/icon.h"
#include "libmscore/mscore.h"
#include "libmscore/imageStore.h"
#include "libmscore/qzipreader_p.h"
#include "libmscore/qzipwriter_p.h"
#include "libmscore/slur.h"
//---------------------------------------------------------
// needsStaff
// should a staff been drawn if e is used as icon in
// a palette
//---------------------------------------------------------
static bool needsStaff(Element* e)
{
if (e == 0)
return false;
switch(e->type()) {
case Element::CHORD:
case Element::BAR_LINE:
case Element::CLEF:
case Element::KEYSIG:
case Element::TIMESIG:
case Element::REST:
return true;
default:
return false;
}
}
//---------------------------------------------------------
// Palette
//---------------------------------------------------------
Palette::Palette(QWidget* parent)
: QWidget(parent)
{
extraMag = 1.0;
currentIdx = -1;
selectedIdx = -1;
_yOffset = 0.0;
hgrid = 50;
vgrid = 60;
_drawGrid = false;
_selectable = false;
setMouseTracking(true);
QSizePolicy policy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
policy.setHeightForWidth(true);
setSizePolicy(policy);
setSizeIncrement(QSize(hgrid, vgrid));
setBaseSize(QSize(hgrid, vgrid));
setReadOnly(false);
}
Palette::~Palette()
{
foreach(PaletteCell* cell, cells)
delete cell;
}
//---------------------------------------------------------
// setReadOnly
//---------------------------------------------------------
void Palette::setReadOnly(bool val)
{
_readOnly = val;
setAcceptDrops(!val);
}
//---------------------------------------------------------
// contextMenuEvent
//---------------------------------------------------------
void Palette::contextMenuEvent(QContextMenuEvent* event)
{
if (_readOnly)
return;
int i = idx(event->pos());
if (i == -1)
return;
QMenu menu;
QAction* clearAction = menu.addAction(tr("Clear"));
QAction* contextAction = menu.addAction(tr("Properties..."));
if (cells[i] && cells[i]->readOnly)
clearAction->setEnabled(false);
QAction* action = menu.exec(mapToGlobal(event->pos()));
if (action == clearAction) {
PaletteCell* cell = cells[i];
if (cell)
delete cell->element;
delete cell;
cells[i] = 0;
emit changed();
}
else if (action == contextAction) {
PaletteCell* c = cells[i];
if (c == 0)
return;
PaletteCellProperties props(c);
if (props.exec()) {
update();
emit changed();
}
}
bool sizeChanged = false;
while (!cells.isEmpty() && cells.back() == 0) {
cells.removeLast();
sizeChanged = true;
}
if (sizeChanged) {
resize(QSize(width(), heightForWidth(width())));
((QWidget*)parent())->updateGeometry();
update();
}
}
//---------------------------------------------------------
// setGrid
//---------------------------------------------------------
void Palette::setGrid(int hh, int vv)
{
hgrid = hh;
vgrid = vv;
setSizeIncrement(QSize(hgrid, vgrid));
setBaseSize(QSize(hgrid, vgrid));
}
//---------------------------------------------------------
// element
//---------------------------------------------------------
Element* Palette::element(int idx)
{
if (idx < size() && cells[idx])
return cells[idx]->element;
else
return 0;
}
//---------------------------------------------------------
// contentsMousePressEvent
//---------------------------------------------------------
void Palette::mousePressEvent(QMouseEvent* ev)
{
dragStartPosition = ev->pos();
if (_selectable) {
int i = idx(dragStartPosition);
if (i == -1)
return;
if (i != selectedIdx) {
update(idxRect(i) | idxRect(selectedIdx));
selectedIdx = i;
}
emit boxClicked(i);
}
}
//---------------------------------------------------------
// applyDrop
//---------------------------------------------------------
static void applyDrop(Score* score, ScoreView* viewer, Element* target, Element* e, QPointF pt = QPointF())
{
if (target->acceptDrop(viewer, pt, e)) {
Element* ne = e->clone();
ne->setScore(score);
DropData dropData;
dropData.view = viewer;
dropData.pos = pt;
dropData.dragOffset = pt;
dropData.modifiers = 0;
dropData.element = ne;
ne = target->drop(dropData);
if (ne)
score->select(ne, SELECT_SINGLE, 0);
viewer->setDropTarget(0); // acceptDrop sets dropTarget
}
}
//---------------------------------------------------------
// mouseDoubleClickEvent
//---------------------------------------------------------
void Palette::mouseDoubleClickEvent(QMouseEvent* ev)
{
int i = idx(ev->pos());
if (i == -1)
return;
Score* score = mscore->currentScore();
if (score == 0)
return;
const Selection& sel = score->selection();
if (sel.state() == SEL_NONE)
return;
Element* element = 0;
if (i < size() && cells[i])
element = cells[i]->element;
if (element == 0)
return;
ScoreView* viewer = mscore->currentScoreView();
if (viewer->mscoreState() != STATE_EDIT && viewer->mscoreState() != STATE_LYRICS_EDIT) // Already in startCmd in this case
score->startCmd();
if (sel.state() == SEL_LIST) {
foreach(Element* e, sel.elements())
applyDrop(score, viewer, e, element);
}
else if (sel.state() == SEL_RANGE) {
// TODO: check for other element types:
if (element->type() == Element::BAR_LINE) {
// TODO: apply to multiple measures
Measure* m = sel.startSegment()->measure();
QRectF r = m->staffabbox(sel.staffStart());
QPointF pt(r.x() + r.width() * .5, r.y() + r.height() * .5);
applyDrop(score, viewer, m, element, pt);
}
else {
int track1 = sel.staffStart() * VOICES;
int track2 = sel.staffEnd() * VOICES;
for (Segment* s = sel.startSegment(); s && s != sel.endSegment(); s = s->next1()) {
for (int track = track1; track < track2; ++track) {
Element* e = s->element(track);
if (e == 0)
continue;
if (e->type() == Element::CHORD) {
Chord* chord = static_cast<Chord*>(e);
foreach(Note* n, chord->notes())
applyDrop(score, viewer, n, element);
}
else
applyDrop(score, viewer, e, element);
}
}
}
}
else
qDebug("unknown selection state\n");
if (viewer->mscoreState() != STATE_EDIT && viewer->mscoreState() != STATE_LYRICS_EDIT) //Already in startCmd mode in this case
score->endCmd();
mscore->endCmd();
}
//---------------------------------------------------------
// idx
//---------------------------------------------------------
int Palette::idx(const QPoint& p) const
{
int rightBorder = width() % hgrid;
int hhgrid = hgrid + (rightBorder / columns());
int x = p.x();
int y = p.y();
int row = y / vgrid;
int col = x / hhgrid;
int nc = columns();
if (col > nc)
return -1;
int idx = row * nc + col;
if (idx < 0 || idx >= cells.size())
return -1;
return idx;
}
//---------------------------------------------------------
// idxRect
//---------------------------------------------------------
QRect Palette::idxRect(int i)
{
if (i == -1)
return QRect();
if (columns() == 0)
return QRect();
int rightBorder = width() % hgrid;
int hhgrid = hgrid + (rightBorder / columns());
int cc = i % columns();
int cr = i / columns();
return QRect(cc * hhgrid, cr * vgrid, hhgrid, vgrid);
}
//---------------------------------------------------------
// mouseMoveEvent
//---------------------------------------------------------
void Palette::mouseMoveEvent(QMouseEvent* ev)
{
if ((currentIdx != -1) && (ev->buttons() & Qt::LeftButton)
&& (ev->pos() - dragStartPosition).manhattanLength() > QApplication::startDragDistance()) {
if (cells[currentIdx]) {
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
Element* el = cells[currentIdx]->element;
qreal mag = PALETTE_SPATIUM * extraMag / gscore->spatium();
QPointF spos = QPointF(dragStartPosition) / mag;
spos -= QPointF(cells[currentIdx]->x, cells[currentIdx]->y);
// DEBUG:
spos.setX(0.0);
mimeData->setData(mimeSymbolFormat, el->mimeData(spos));
drag->setMimeData(mimeData);
dragSrcIdx = currentIdx;
emit startDragElement(el);
if (_readOnly) {
drag->start(Qt::CopyAction);
}
else {
/*Qt::DropAction action = */drag->start(Qt::CopyAction | Qt::MoveAction);
}
}
}
else {
QRect r;
if (currentIdx != -1)
r = idxRect(currentIdx);
currentIdx = idx(ev->pos());
if (currentIdx != -1) {
if (cells[currentIdx] == 0)
currentIdx = -1;
else
r |= idxRect(currentIdx);
}
update(r);
}
}
//---------------------------------------------------------
// leaveEvent
//---------------------------------------------------------
void Palette::leaveEvent(QEvent*)
{
if (currentIdx != -1) {
QRect r = idxRect(currentIdx);
currentIdx = -1;
update(r);
}
}
//---------------------------------------------------------
// append
// append element to palette
//---------------------------------------------------------
PaletteCell* Palette::append(Element* s, const QString& name, QString tag, qreal mag)
{
if (s == 0) {
cells.append(0);
return 0;
}
PaletteCell* cell = new PaletteCell;
cells.append(cell);
return add(cells.size() - 1, s, name, tag, mag);
}
PaletteCell* Palette::append(SymId symIdx)
{
if (!symbols[0][symIdx].isValid())
return 0;
Symbol* s = new Symbol(gscore);
s->setSym(symIdx);
return append(s, Sym::id2userName(symIdx));
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
PaletteCell* Palette::add(int idx, Element* s, const QString& name, QString tag, qreal mag)
{
if (s) {
s->setPos(0.0, 0.0);
s->setUserOff(QPointF());
s->setReadPos(QPointF());
}
PaletteCell* cell = new PaletteCell;
if (idx < cells.size()) {
delete cells[idx];
}
else {
for (int i = cells.size(); i <= idx; ++i)
cells.append(0);
}
cells[idx] = cell;
cell->element = s;
cell->name = name;
cell->tag = tag;
cell->drawStaff = needsStaff(s);
cell->xoffset = 0;
cell->yoffset = 0;
cell->mag = mag;
cell->readOnly = false;
update();
if (s && s->type() == Element::ICON) {
Icon* icon = static_cast<Icon*>(s);
connect(getAction(icon->action()), SIGNAL(toggled(bool)), SLOT(actionToggled(bool)));
}
return cell;
}
//---------------------------------------------------------
// paintPaletteElement
//---------------------------------------------------------
static void paintPaletteElement(void* data, Element* e)
{
QPainter* p = static_cast<QPainter*>(data);
p->save();
p->translate(e->pos());
e->draw(p);
p->restore();
}
//---------------------------------------------------------
// paintEvent
//---------------------------------------------------------
void Palette::paintEvent(QPaintEvent* event)
{
qreal _spatium = gscore->spatium();
qreal mag = PALETTE_SPATIUM * extraMag / _spatium;
gscore->setSpatium(SPATIUM20 * MScore::DPI);
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing, true);
p.fillRect(event->rect(), p.background().color());
//
// draw grid
//
int rightBorder = width() % hgrid;
int hhgrid = hgrid + (rightBorder / columns());
if (_drawGrid) {
p.setPen(Qt::gray);
for (int row = 1; row < rows(); ++row) {
int x2 = row < rows()-1 ? columns() * hhgrid : width();
int y = row * vgrid;
p.drawLine(0, y, x2, y);
}
for (int column = 1; column < columns(); ++column) {
int x = hhgrid * column;
p.drawLine(x, 0, x, rows() * vgrid);
}
}
qreal dy = lrint(2 * PALETTE_SPATIUM * extraMag);
//
// draw symbols
//
QPen pen(palette().color(QPalette::Normal, QPalette::Text));
pen.setWidthF(MScore::defaultStyle()->valueS(ST_staffLineWidth).val() * PALETTE_SPATIUM * extraMag);
for (int idx = 0; idx < cells.size(); ++idx) {
QRect r = idxRect(idx);
p.setPen(pen);
if (idx == selectedIdx)
p.fillRect(r, palette().color(QPalette::Normal, QPalette::Highlight));
else if (idx == currentIdx)
p.fillRect(r, p.background().color().light(118));
if (cells.isEmpty() || cells[idx] == 0)
continue;
if (!cells[idx]->tag.isEmpty()) {
p.setPen(Qt::darkGray);
QFont f(p.font());
f.setPointSize(12);
p.setFont(f);
p.drawText(r, Qt::AlignLeft | Qt::AlignTop, cells[idx]->tag);
}
p.setPen(pen);
Element* el = cells[idx]->element;
if (el == 0)
continue;
bool drawStaff = cells[idx]->drawStaff;
if (el->type() == Element::ICON) {
int x = r.x();
int y = r.y();
Icon* _icon = static_cast<Icon*>(el);
QIcon icon = _icon->icon();
static const int border = 2;
int size = (hhgrid < vgrid ? hhgrid : vgrid) - 2 * border;
QPixmap pm(icon.pixmap(size, QIcon::Normal, QIcon::On));
p.drawPixmap(x + (hhgrid - size) / 2, y + (vgrid - size) / 2, pm);
}
else {
int row = idx / columns();
int column = idx % columns();
el->layout();
el->setPos(0.0, 0.0);
qreal cellMag = cells[idx]->mag * mag;
if (drawStaff) {
qreal y = r.y() + vgrid * .5 - dy + _yOffset * _spatium * cellMag;
qreal x = r.x() + 3;
qreal w = hhgrid - 6;
for (int i = 0; i < 5; ++i) {
qreal yy = y + PALETTE_SPATIUM * i * extraMag;
p.drawLine(QLineF(x, yy, x + w, yy));
}
}
p.save();
p.scale(cellMag, cellMag);
double gw = hhgrid / cellMag;
double gh = vgrid / cellMag;
double gx = column * gw + cells[idx]->xoffset * _spatium;
double gy = row * gh + cells[idx]->yoffset * _spatium;
double sw = el->width();
double sh = el->height();
double sy;
if (drawStaff)
sy = gy + gh * .5 - 2.0 * _spatium;
else
sy = gy + (gh - sh) * .5 - el->bbox().y();
double sx = gx + (gw - sw) * .5 - el->bbox().x();
sy += _yOffset * _spatium;
p.translate(sx, sy);
cells[idx]->x = sx;
cells[idx]->y = sy;
QColor color;
if (idx != selectedIdx) {
// show voice colors for notes
if (el->type() == Element::CHORD) {
el->setSelected(true);
color = el->curColor();
}
else
color = palette().color(QPalette::Normal, QPalette::Text);
}
else
color = palette().color(QPalette::Normal, QPalette::HighlightedText);
p.setPen(QPen(color));
el->scanElements(&p, paintPaletteElement);
p.restore();
}
}
}
//---------------------------------------------------------
// event
//---------------------------------------------------------
bool Palette::event(QEvent* ev)
{
if (columns() && (ev->type() == QEvent::ToolTip)) {
int rightBorder = width() % hgrid;
int hhgrid = hgrid + (rightBorder / columns());
QHelpEvent* he = (QHelpEvent*)ev;
int x = he->pos().x();
int y = he->pos().y();
int row = y / vgrid;
int col = x / hhgrid;
if (row < 0 || row >= rows())
return false;
if (col < 0 || col >= columns())
return false;
int idx = row * columns() + col;
if (idx >= cells.size())
return false;
if (cells[idx] == 0)
return false;
QToolTip::showText(he->globalPos(), cells[idx]->name, this);
return false;
}
return QWidget::event(ev);
}
//---------------------------------------------------------
// dragEnterEvent
//---------------------------------------------------------
void Palette::dragEnterEvent(QDragEnterEvent* event)
{
const QMimeData* data = event->mimeData();
if (data->hasUrls()) {
QList<QUrl>ul = event->mimeData()->urls();
QUrl u = ul.front();
if (MScore::debugMode) {
qDebug("dragEnterEvent: Url: %s\n", qPrintable(u.toString()));
qDebug(" scheme <%s> path <%s>\n", qPrintable(u.scheme()), qPrintable(u.path()));
}
if (u.scheme() == "file") {
QFileInfo fi(u.path());
QString suffix(fi.suffix().toLower());
if (suffix == "svg"
|| suffix == "jpg"
|| suffix == "png"
|| suffix == "xpm"
) {
event->acceptProposedAction();
}
}
}
else if (data->hasFormat(mimeSymbolFormat))
event->acceptProposedAction();
else {
if (MScore::debugMode) {
qDebug("dragEnterEvent: formats:\n");
foreach(const QString& s, event->mimeData()->formats())
qDebug(" %s\n", s.toLatin1().data());
}
}
}
//---------------------------------------------------------
// dragMoveEvent
//---------------------------------------------------------
void Palette::dragMoveEvent(QDragMoveEvent* ev)
{
int i = idx(ev->pos());
if (i == -1)
return;
int n = cells.size();
int ii = i;
for (; ii < n; ++ii) {
if (cells[ii] == 0)
break;
}
if (ii == n)
return;
QRect r;
if (currentIdx != -1)
r = idxRect(currentIdx);
update(r | idxRect(ii));
currentIdx = ii;
}
//---------------------------------------------------------
// dropEvent
//---------------------------------------------------------
void Palette::dropEvent(QDropEvent* event)
{
Element* e = 0;
QString name;
const QMimeData* data = event->mimeData();
if (data->hasUrls()) {
QList<QUrl>ul = event->mimeData()->urls();
QUrl u = ul.front();
if (u.scheme() == "file") {
QFileInfo fi(u.path());
Image* s = 0;
QString suffix(fi.suffix().toLower());
if (suffix == "svg")
s = new SvgImage(gscore);
else if (suffix == "jpg"
|| suffix == "png"
|| suffix == "gif"
|| suffix == "xpm"
)
s = new RasterImage(gscore);
else
return;
QString filePath(u.toLocalFile());
s->load(filePath);
e = s;
QFileInfo f(filePath);
name = f.baseName();
}
}
else if (data->hasFormat(mimeSymbolFormat)) {
QByteArray data(event->mimeData()->data(mimeSymbolFormat));
QDomDocument doc;
int line, column;
QString err;
if (!doc.setContent(data, &err, &line, &column)) {
qDebug("error reading drag data\n");
return;
}
docName = "--";
QDomElement el = doc.documentElement();
QPointF dragOffset;
Fraction duration;
Element::ElementType type = Element::readType(el, &dragOffset, &duration);
if (type == Element::IMAGE) {
// look ahead for image type
QString path;
for (QDomElement ee = el.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
QString tag(ee.tagName());
if (tag == "path") {
path = ee.text();
break;
}
}
Image* image = 0;
QString s(path.toLower());
if (s.endsWith(".svg"))
image = new SvgImage(gscore);
else
if (s.endsWith(".jpg")
|| s.endsWith(".png")
|| s.endsWith(".gif")
|| s.endsWith(".xpm")
)
image = new RasterImage(gscore);
else {
qDebug("Palette::dropEvent(): unknown image format <%s>", qPrintable(path));
}
if (image) {
image->read(el);
e = image;
}
}
else if (type == Element::SYMBOL) {
Symbol* s = new Symbol(gscore);
s->read(el);
e = s;
}
else {
e = Element::create(type, gscore);
if (e)
e->read(el);
if (e->type() == Element::TEXTLINE
|| e->type() == Element::HAIRPIN
|| e->type() == Element::VOLTA
|| e->type() == Element::OTTAVA
|| e->type() == Element::PEDAL
|| e->type() == Element::TRILL
) {
SLine* tl = static_cast<SLine*>(e);
tl->setLen(gscore->spatium() * 7);
tl->setTrack(0);
}
else if (e->type() == Element::SLUR || e->type() == Element::TIE) {
SlurTie* st = static_cast<SlurTie*>(e);
st->setTrack(0);
}
}
}
if (e == 0)
return;
e->setSelected(false);
bool ok = false;
if (event->source() == this) {
int i = idx(event->pos());
if (i == -1) {
cells.append(cells[dragSrcIdx]);
cells[dragSrcIdx] = 0;
ok = true;
}
else if (dragSrcIdx != i) {
PaletteCell* c = cells[dragSrcIdx];
cells[dragSrcIdx] = cells[i];
cells[i] = c;
delete e;
ok = true;
}
update(idxRect(i) | idxRect(dragSrcIdx));
event->setDropAction(Qt::MoveAction);
}
else {
int i = idx(event->pos());
if (i == -1 || cells[i] != 0)
append(e, name);
else
add(i, e, name);
ok = true;
}
if (ok) {
event->acceptProposedAction();
resize(QSize(width(), heightForWidth(width())));
emit changed();
}
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Palette::write(Xml& xml, const QString& name) const
{
xml.stag(QString("Palette name=\"%1\"").arg(Xml::xmlString(name)));
xml.tag("gridWidth", hgrid);
xml.tag("gridHeight", vgrid);
if (extraMag != 1.0)
xml.tag("mag", extraMag);
if (_drawGrid)
xml.tag("grid", _drawGrid);
if (_yOffset != 0.0)
xml.tag("yoffset", _yOffset);
int n = cells.size();
for (int i = 0; i < n; ++i) {
if (cells[i] && cells[i]->readOnly)
continue;
if (cells[i] == 0 || cells[i]->element == 0) {
xml.tagE("Cell");
continue;
}
if (!cells[i]->name.isEmpty())
xml.stag(QString("Cell name=\"%1\"").arg(Xml::xmlString(cells[i]->name)));
else
xml.stag("Cell");
if (cells[i]->drawStaff)
xml.tag("staff", cells[i]->drawStaff);
if (cells[i]->xoffset)
xml.tag("xoffset", cells[i]->xoffset);
if (cells[i]->yoffset)
xml.tag("yoffset", cells[i]->yoffset);
if (!cells[i]->tag.isEmpty())
xml.tag("tag", cells[i]->tag);
if (cells[i]->mag != 1.0)
xml.tag("mag", cells[i]->mag);
cells[i]->element->write(xml);
xml.etag();
}
xml.etag();
}
//---------------------------------------------------------
// read
// return false on error
//---------------------------------------------------------
bool Palette::read(QFile* qf)
{
QDomDocument doc;
int line, column;
QString err;
if (!doc.setContent(qf, false, &err, &line, &column)) {
QString error;
error.sprintf("error reading palette %s at line %d column %d: %s\n",
qPrintable(qf->fileName()), line, column, qPrintable(err));
QMessageBox::warning(0,
QWidget::tr("MuseScore: Load Palette failed:"),
error,
QString::null, QWidget::tr("Quit"), QString::null, 0, 1);
return false;
}
docName = qf->fileName();
for (QDomElement e = doc.documentElement(); !e.isNull(); e = e.nextSiblingElement()) {
if (e.tagName() == "museScore") {
QString version = e.attribute(QString("version"));
QStringList sl = version.split('.');
int versionId = sl[0].toInt() * 100 + sl[1].toInt();
gscore->setMscVersion(versionId);
for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
QString tag(ee.tagName());
if (tag == "Palette") {
QString name = ee.attribute("name", "");
setName(name);
read(ee);
}
else
domError(ee);
}
}
}
return true;
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Palette::read(const QString& p)
{
QString path(p);
if (!path.endsWith(".mpal"))
path += ".mpal";
QZipReader f(path);
QByteArray ba = f.fileData("META-INF/container.xml");
QDomDocument doc;
int line, column;
QString err;
if (!doc.setContent(ba, false, &err, &line, &column)) {
QString error = QString("error reading palette container.xml at line %2 column %3: %4")
.arg(line).arg(column).arg(err);
QMessageBox::warning(0,
QWidget::tr("MuseScore: Load Palette failed:"),
error,
QString::null, QWidget::tr("Quit"), QString::null, 0, 1);
return;
}
// extract first rootfile
QString rootfile = "";
QList<QString> images;
for (QDomElement e = doc.documentElement(); !e.isNull(); e = e.nextSiblingElement()) {
if (e.tagName() != "container") {
domError(e);
continue;
}
for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
if (ee.tagName() != "rootfiles") {
domError(ee);
continue;
}
for (QDomElement eee = ee.firstChildElement(); !eee.isNull(); eee = eee.nextSiblingElement()) {
const QString& tag(eee.tagName());
const QString& val(eee.text());
if (tag == "rootfile") {
if (rootfile.isEmpty())
rootfile = eee.attribute(QString("full-path"));
}
else if (tag == "file")
images.append(val);
else
domError(eee);
}
}
}
//
// load images
//
foreach(const QString& s, images)
imageStore.add(s, f.fileData(s));
if (rootfile.isEmpty()) {
qDebug("can't find rootfile in: %s", qPrintable(path));
return;
}
ba = f.fileData(rootfile);
if (!doc.setContent(ba, false, &err, &line, &column)) {
QString error = QString("error reading profile %1 at line %2 column %3: %4")
.arg(path).arg(line).arg(column).arg(err);
QMessageBox::warning(0,
QWidget::tr("MuseScore: Load Style failed:"),
error,
QString::null, QWidget::tr("Quit"), QString::null, 0, 1);
return;
}
for (QDomElement e = doc.documentElement(); !e.isNull(); e = e.nextSiblingElement()) {
if (e.tagName() == "museScore") {
QString version = e.attribute(QString("version"));
QStringList sl = version.split('.');
int versionId = sl[0].toInt() * 100 + sl[1].toInt();
gscore->setMscVersion(versionId);
for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
QString tag(ee.tagName());
if (tag == "Palette") {
QString name = ee.attribute("name", "");
setName(name);
read(ee);
}
else
domError(ee);
}
}
}
}
//---------------------------------------------------------
// writeFailed
//---------------------------------------------------------
static void writeFailed(const QString& path)
{
QString s = mscore->tr("Open Palette File\n") + path + mscore->tr("\nfailed: ");
QMessageBox::critical(mscore, mscore->tr("MuseScore: Writing Palette file"), s);
}
//---------------------------------------------------------
// write
// write as compressed zip file and include
// images as needed
//---------------------------------------------------------
void Palette::write(const QString& p)
{
QSet<ImageStoreItem*> images;
int n = cells.size();
for (int i = 0; i < n; ++i) {
if (cells[i] == 0 || cells[i]->element == 0 || cells[i]->element->type() != Element::IMAGE)
continue;
images.insert(static_cast<Image*>(cells[i]->element)->storeItem());
}
QString path(p);
if (!path.endsWith(".mpal"))
path += ".mpal";
QZipWriter f(path);
// f.setCompressionPolicy(QZipWriter::NeverCompress);
f.setCreationPermissions(
QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner
| QFile::ReadUser | QFile::WriteUser | QFile::ExeUser
| QFile::ReadGroup | QFile::WriteGroup | QFile::ExeGroup
| QFile::ReadOther | QFile::WriteOther | QFile::ExeOther);
if (f.status() != QZipWriter::NoError) {
writeFailed(path);
return;
}
QBuffer cbuf;
cbuf.open(QIODevice::ReadWrite);
Xml xml(&cbuf);
xml.header();
xml.stag("container");
xml.stag("rootfiles");
xml.stag(QString("rootfile full-path=\"%1\"").arg(Xml::xmlString("palette.xml")));
xml.etag();
foreach (ImageStoreItem* ip, images) {
QString path = QString("Pictures/") + ip->hashName();
xml.tag("file", path);
}
xml.etag();
xml.etag();
cbuf.seek(0);
f.addDirectory("META-INF");
f.addDirectory("Pictures");
f.addFile("META-INF/container.xml", cbuf.data());
// save images
foreach(ImageStoreItem* ip, images) {
QString path = QString("Pictures/") + ip->hashName();
f.addFile(path, ip->buffer());
}
{
QBuffer cbuf;
cbuf.open(QIODevice::ReadWrite);
Xml xml(&cbuf);
xml.header();
xml.stag("museScore version=\"" MSC_VERSION "\"");
write(xml, name());
xml.etag();
cbuf.close();
f.addFile("palette.xml", cbuf.data());
}
f.close();
if (f.status() != QZipWriter::NoError)
writeFailed(path);
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Palette::read(QDomElement e)
{
QString name = e.attribute("name", "");
for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
QString tag(e.tagName());
QString text(e.text());
if (tag == "gridWidth")
hgrid = text.toDouble();
else if (tag == "gridHeight")
vgrid = text.toDouble();
else if (tag == "mag")
extraMag = text.toDouble();
else if (tag == "grid")
_drawGrid = text.toInt();
else if (tag == "yoffset")
_yOffset = text.toDouble();
else if (tag == "drumPalette") // obsolete
;
else if (tag == "Cell") {
if (e.firstChildElement().isNull())
append(0, "");
else {
QString name = e.attribute("name", "");
bool drawStaff = false;
double xoffset = 0.0;
double yoffset = 0.0;
qreal mag = 1.0;
for (QDomElement ee = e.firstChildElement(); !ee.isNull(); ee = ee.nextSiblingElement()) {
QString tag(ee.tagName());
if (tag == "staff")
drawStaff = ee.text().toInt();
else if (tag == "xoffset")
xoffset = ee.text().toDouble();
else if (tag == "yoffset")
yoffset = ee.text().toDouble();
else if (tag == "mag")
mag = ee.text().toDouble();
else if (tag == "tag")
tag = ee.text();
else if (tag == "Image") {
// look ahead for image type
QString path;
for (QDomElement eee = ee.firstChildElement(); !eee.isNull(); eee = eee.nextSiblingElement()) {
QString tag(eee.tagName());
if (tag == "path") {
path = eee.text();
break;
}
}
Image* image = 0;
QString s(path.toLower());
if (s.endsWith(".svg"))
image = new SvgImage(gscore);
else
if (s.endsWith(".jpg")
|| s.endsWith(".png")
|| s.endsWith(".gif")
|| s.endsWith(".xpm")
)
image = new RasterImage(gscore);
else {
qDebug("Palette::read: unknown image format <%s>", path.toLatin1().data());
}
if (image) {
image->read(ee);
append(image, name);
}
}
else {
Element* element = Element::name2Element(tag, gscore);
if (element == 0) {
domError(ee);
return;
}
else {
element->read(ee);
if (element->type() == Element::ICON) {
Icon* icon = static_cast<Icon*>(element);
QIcon qicon(getAction(icon->action())->icon());
icon->setAction(icon->action(), qicon);
}
append(element, name);
}
}
}
cells.back()->drawStaff = drawStaff;
cells.back()->xoffset = xoffset;
cells.back()->yoffset = yoffset;
cells.back()->mag = mag;
}
}
else
domError(e);
}
}
//---------------------------------------------------------
// clear
//---------------------------------------------------------
void Palette::clear()
{
foreach(PaletteCell* cell, cells)
delete cell;
cells.clear();
}
//---------------------------------------------------------
// rows
//---------------------------------------------------------
int Palette::rows() const
{
int c = columns();
if (c == 0)
return 0;
return (cells.size() + c - 1) / c;
}
//---------------------------------------------------------
// heightForWidth
//---------------------------------------------------------
int Palette::heightForWidth(int w) const
{
int c = w / hgrid;
if (c <= 0)
c = 1;
int r = (cells.size() + c - 1) / c;
if (r <= 0)
r = 1;
if ((w % hgrid) == 0)
++r;
return r * vgrid;
}
//---------------------------------------------------------
// sizeHint
//---------------------------------------------------------
QSize Palette::sizeHint() const
{
int h = heightForWidth(width());
return QSize(hgrid, h);
}
//---------------------------------------------------------
// actionToggled
//---------------------------------------------------------
void Palette::actionToggled(bool /*val*/)
{
selectedIdx = -1;
int nn = cells.size();
for (int n = 0; n < nn; ++n) {
Element* e = cells[n]->element;
if (e && e->type() == Element::ICON) {
QAction* a = getAction(static_cast<Icon*>(e)->action());
if (a->isChecked()) {
selectedIdx = n;
break;
}
}
}
update();
}
//---------------------------------------------------------
// PaletteBoxButton
//---------------------------------------------------------
PaletteBoxButton::PaletteBoxButton(PaletteScrollArea* sa, Palette* p, QWidget* parent)
: QToolButton(parent)
{
palette = p;
scrollArea = sa;
setCheckable(true);
setFocusPolicy(Qt::NoFocus);
connect(this, SIGNAL(clicked(bool)), this, SLOT(showPalette(bool)));
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
// setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
QMenu* menu = new QMenu;
connect(menu, SIGNAL(aboutToShow()), SLOT(beforePulldown()));
setArrowType(Qt::RightArrow);
setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
QAction* action;
action = menu->addAction(tr("Palette Properties..."));
connect(action, SIGNAL(triggered()), SLOT(propertiesTriggered()));
action = menu->addAction(tr("Insert new Palette..."));
connect(action, SIGNAL(triggered()), SLOT(newTriggered()));
action = menu->addAction(tr("Move Palette Up"));
connect(action, SIGNAL(triggered()), SLOT(upTriggered()));
action = menu->addAction(tr("Move Palette Down"));
connect(action, SIGNAL(triggered()), SLOT(downTriggered()));
editAction = menu->addAction(tr("Enable Editing"));
editAction->setCheckable(true);
connect(editAction, SIGNAL(triggered(bool)), SLOT(enableEditing(bool)));
menu->addSeparator();
action = menu->addAction(tr("Save Palette"));
connect(action, SIGNAL(triggered()), SLOT(saveTriggered()));
action = menu->addAction(tr("Load Palette"));
connect(action, SIGNAL(triggered()), SLOT(loadTriggered()));
menu->addSeparator();
action = menu->addAction(tr("Delete Palette"));
connect(action, SIGNAL(triggered()), SLOT(deleteTriggered()));
setMenu(menu);
}
//---------------------------------------------------------
// beforePulldown
//---------------------------------------------------------
void PaletteBoxButton::beforePulldown()
{
editAction->setChecked(!palette->readOnly());
}
//---------------------------------------------------------
// enableEditing
//---------------------------------------------------------
void PaletteBoxButton::enableEditing(bool val)
{
palette->setReadOnly(!val);
}
//---------------------------------------------------------
// changeEvent
//---------------------------------------------------------
void PaletteBoxButton::changeEvent(QEvent* ev)
{
if (ev->type() == QEvent::FontChange)
setFixedHeight(QFontMetrics(font()).height() + 2);
}
//---------------------------------------------------------
// showPalette
//---------------------------------------------------------
void PaletteBoxButton::showPalette(bool visible)
{
if (visible && preferences.singlePalette) {
// close all palettes
emit closeAll();
}
scrollArea->setVisible(visible);
setChecked(visible);
setArrowType(visible ? Qt::DownArrow : Qt::RightArrow );
}
//---------------------------------------------------------
// paintEvent
//---------------------------------------------------------
void PaletteBoxButton::paintEvent(QPaintEvent*)
{
//remove automatic menu arrow
QStylePainter p(this);
QStyleOptionToolButton opt;
initStyleOption(&opt);
opt.features &= (~QStyleOptionToolButton::HasMenu);
p.drawComplexControl(QStyle::CC_ToolButton, opt);
}
//---------------------------------------------------------
// PaletteScrollArea
//---------------------------------------------------------
PaletteScrollArea::PaletteScrollArea(Palette* w, QWidget* parent)
: QScrollArea(parent)
{
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
setWidget(w);
setWidgetResizable(false);
_restrictHeight = true;
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
}
//---------------------------------------------------------
// resizeEvent
//---------------------------------------------------------
void PaletteScrollArea::resizeEvent(QResizeEvent* re)
{
QScrollArea::resizeEvent(re); // necessary?
Palette* palette = static_cast<Palette*>(widget());
int h = palette->heightForWidth(width());
palette->resize(QSize(width(), h));
if (_restrictHeight) {
setMaximumHeight(h+6);
}
}
//---------------------------------------------------------
// PaletteBox
//---------------------------------------------------------
PaletteBox::PaletteBox(QWidget* parent)
: QDockWidget(tr("Palettes"), parent)
{
setObjectName("palette-box");
setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
QWidget* mainWidget = new QWidget;
mainWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
vbox = new QVBoxLayout;
vbox->setMargin(0);
vbox->setSpacing(1); // 2
vbox->addStretch();
mainWidget->setLayout(vbox);
setWidget(mainWidget);
connect(mainWidget, SIGNAL(customContextMenuRequested(const QPoint&)), SLOT(contextMenu(const QPoint&)));
mainWidget->setContextMenuPolicy(Qt::CustomContextMenu);
_dirty = false;
}
//---------------------------------------------------------
// contextMenu
//---------------------------------------------------------
void PaletteBox::contextMenu(const QPoint& pt)
{
QMenu menu(this);
menu.setSeparatorsCollapsible(false);
QAction* titel = menu.addSeparator();
titel->setText(tr("Palette Operations"));
QAction* b = menu.addAction(tr("Single Palette Mode"));
b->setCheckable(true);
b->setChecked(preferences.singlePalette);
QAction* a = menu.addAction(tr("Reset to factory defaults"));
// obsoleted by profile:
// QString s(dataPath + "/" + "mscore-palette.xml");
// QFile f(s);
// if (!f.exists() && !_dirty)
// a->setEnabled(false);
QAction* ra = menu.exec(mapToGlobal(pt));
if (a == ra) {
// if (f.exists())
// QFile::remove(s);
clear();
mscore->populatePalette(); // hack
_dirty = true; // save profile
}
else if (b == ra) {
preferences.singlePalette = b->isChecked();
preferences.dirty = true;
}
}
//---------------------------------------------------------
// clear
//---------------------------------------------------------
void PaletteBox::clear()
{
int n = vbox->count() - 1; // do not delete last spacer item
while (n--) {
QLayoutItem* item = vbox->takeAt(0);
if (item->widget())
item->widget()->hide();
delete item;
}
vbox->invalidate();
}
//---------------------------------------------------------
// addPalette
//---------------------------------------------------------
void PaletteBox::addPalette(Palette* w)
{
PaletteScrollArea* sa = new PaletteScrollArea(w);
PaletteBoxButton* b = new PaletteBoxButton(sa, w);
sa->setVisible(false);
b->setText(w->name());
int slotIdx = vbox->count() - 1;
vbox->insertWidget(slotIdx, b);
vbox->insertWidget(slotIdx+1, sa, 1000);
b->setId(slotIdx);
connect(b, SIGNAL(paletteCmd(int,int)), SLOT(paletteCmd(int,int)));
connect(b, SIGNAL(closeAll()), SLOT(closeAll()));
connect(w, SIGNAL(changed()), SLOT(setDirty()));
}
//---------------------------------------------------------
// newPalette
//---------------------------------------------------------
Palette* PaletteBox::newPalette(const QString& name, int slot)
{
Palette* p = new Palette;
p->setReadOnly(false);
PaletteScrollArea* sa = new PaletteScrollArea(p);
PaletteBoxButton* b = new PaletteBoxButton(sa, p);
sa->setVisible(false);
p->setName(name);
b->setText(p->name());
vbox->insertWidget(slot, b);
vbox->insertWidget(slot+1, sa, 1000);
connect(b, SIGNAL(paletteCmd(int,int)), SLOT(paletteCmd(int,int)));
connect(p, SIGNAL(changed()), SLOT(setDirty()));
for (int i = 0; i < (vbox->count() - 1) / 2; ++i)
static_cast<PaletteBoxButton*>(vbox->itemAt(i * 2)->widget())->setId(i*2);
return p;
}
//---------------------------------------------------------
// paletteCmd
//---------------------------------------------------------
void PaletteBox::paletteCmd(int cmd, int slot)
{
QLayoutItem* item = vbox->itemAt(slot);
PaletteBoxButton* b = static_cast<PaletteBoxButton*>(item->widget());
switch(cmd) {
case PALETTE_DELETE:
{
vbox->removeItem(item);
b->deleteLater(); // this is the button widget
delete item;
item = vbox->itemAt(slot);
vbox->removeItem(item);
delete item->widget();
delete item;
for (int i = 0; i < (vbox->count() - 1) / 2; ++i)
static_cast<PaletteBoxButton*>(vbox->itemAt(i * 2)->widget())->setId(i*2);
}
break;
case PALETTE_SAVE:
{
PaletteScrollArea* sa = static_cast<PaletteScrollArea*>(vbox->itemAt(slot+1)->widget());
Palette* palette = static_cast<Palette*>(sa->widget());
QString path = mscore->getPaletteFilename(false);
if (!path.isEmpty())
palette->write(path);
}
break;
case PALETTE_LOAD:
{
QString path = mscore->getPaletteFilename(true);
if (!path.isEmpty()) {
QFileInfo fi(path);
Palette* palette = newPalette(fi.baseName(), slot);
palette->read(path);
}
}
break;
case PALETTE_NEW:
newPalette(tr("new Palette"), slot);
// fall through
case PALETTE_EDIT:
{
PaletteScrollArea* sa = static_cast<PaletteScrollArea*>(vbox->itemAt(slot+1)->widget());
Palette* palette = static_cast<Palette*>(sa->widget());
QLayoutItem* item = vbox->itemAt(slot);
b = static_cast<PaletteBoxButton*>(item->widget());
PaletteProperties pp(palette, 0);
int rv = pp.exec();
if (rv == 1) {
_dirty = true;
b->setText(palette->name());
palette->update();
}
}
break;
case PALETTE_UP:
if (slot) {
QLayoutItem* i1 = vbox->itemAt(slot);
QLayoutItem* i2 = vbox->itemAt(slot+1);
vbox->removeItem(i1);
vbox->removeItem(i2);
vbox->insertWidget(slot-2, i2->widget());
vbox->insertWidget(slot-2, i1->widget());
delete i1;
delete i2;
for (int i = 0; i < (vbox->count() - 1) / 2; ++i)
static_cast<PaletteBoxButton*>(vbox->itemAt(i * 2)->widget())->setId(i*2);
}
break;
case PALETTE_DOWN:
if (slot < (vbox->count() - 3)) {
QLayoutItem* i1 = vbox->itemAt(slot);
QLayoutItem* i2 = vbox->itemAt(slot+1);
vbox->removeItem(i1);
vbox->removeItem(i2);
vbox->insertWidget(slot+2, i2->widget());
vbox->insertWidget(slot+2, i1->widget());
delete i1;
delete i2;
for (int i = 0; i < (vbox->count() - 1) / 2; ++i)
static_cast<PaletteBoxButton*>(vbox->itemAt(i * 2)->widget())->setId(i*2);
}
break;
}
_dirty = true;
}
//---------------------------------------------------------
// closeEvent
//---------------------------------------------------------
void PaletteBox::closeEvent(QCloseEvent* ev)
{
emit paletteVisible(false);
QWidget::closeEvent(ev);
}
//---------------------------------------------------------
// closeAll
//---------------------------------------------------------
void PaletteBox::closeAll()
{
for (int i = 0; i < (vbox->count() - 1); i += 2) {
PaletteBoxButton* b = static_cast<PaletteBoxButton*> (vbox->itemAt(i)->widget() );
b->showPalette(false);
}
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void PaletteBox::write(Xml& xml)
{
xml.stag("PaletteBox");
for (int i = 0; i < (vbox->count() - 1); i += 2) {
PaletteBoxButton* b = static_cast<PaletteBoxButton*>(vbox->itemAt(i)->widget());
PaletteScrollArea* sa = static_cast<PaletteScrollArea*>(vbox->itemAt(i + 1)->widget());
Palette* p = static_cast<Palette*>(sa->widget());
p->write(xml, b->text());
}
xml.etag();
}
//---------------------------------------------------------
// read
// return false on error
//---------------------------------------------------------
bool PaletteBox::read(QDomElement e)
{
for (e = e.firstChildElement(); !e.isNull(); e = e.nextSiblingElement()) {
QString tag(e.tagName());
if (tag == "Palette") {
Palette* p = new Palette();
QString name = e.attribute("name", "");
p->setName(name);
p->read(e);
addPalette(p);
}
else
domError(e);
}
return true;
}
//---------------------------------------------------------
// PaletteProperties
//---------------------------------------------------------
PaletteProperties::PaletteProperties(Palette* p, QWidget* parent)
: QDialog(parent)
{
palette = p;
setupUi(this);
name->setText(palette->name());
cellWidth->setValue(palette->gridWidth());
cellHeight->setValue(palette->gridHeight());
showGrid->setChecked(palette->drawGrid());
elementOffset->setValue(palette->yOffset());
mag->setValue(palette->mag());
}
//---------------------------------------------------------
// accept
//---------------------------------------------------------
void PaletteProperties::accept()
{
palette->setName(name->text());
palette->setGrid(cellWidth->value(), cellHeight->value());
palette->setDrawGrid(showGrid->isChecked());
palette->setYOffset(elementOffset->value());
palette->setMag(mag->value());
QDialog::accept();
}
//---------------------------------------------------------
// PaletteCellProperties
//---------------------------------------------------------
PaletteCellProperties::PaletteCellProperties(PaletteCell* p, QWidget* parent)
: QDialog(parent)
{
cell = p;
setupUi(this);
xoffset->setValue(cell->xoffset);
yoffset->setValue(cell->yoffset);
scale->setValue(cell->mag);
name->setText(p->name);
}
//---------------------------------------------------------
// accept
//---------------------------------------------------------
void PaletteCellProperties::accept()
{
cell->xoffset = xoffset->value();
cell->yoffset = yoffset->value();
cell->mag = scale->value();
cell->name = name->text();
QDialog::accept();
}