MuseScore/mscore/palette.cpp

1895 lines
66 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// 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 "libmscore/measure.h"
#include "libmscore/staff.h"
#include "libmscore/system.h"
#include "libmscore/page.h"
#include "libmscore/keysig.h"
#include "libmscore/timesig.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 "thirdparty/qzip/qzipreader_p.h"
#include "thirdparty/qzip/qzipwriter_p.h"
#include "libmscore/slur.h"
#include "paletteBoxButton.h"
#include "palettebox.h"
#include "shortcut.h"
#include "tourhandler.h"
#include "script/recorderwidget.h"
#include "libmscore/fret.h"
#include "scoreaccessibility.h"
namespace Ms {
//---------------------------------------------------------
// 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 ElementType::CHORD:
case ElementType::BAR_LINE:
case ElementType::CLEF:
case ElementType::KEYSIG:
case ElementType::TIMESIG:
case ElementType::REST:
case ElementType::BAGPIPE_EMBELLISHMENT:
return true;
default:
return false;
}
}
//---------------------------------------------------------
// Palette
//---------------------------------------------------------
Palette::Palette(QWidget* parent)
: QWidget(parent)
{
extraMag = 1.0;
currentIdx = -1;
dragIdx = -1;
selectedIdx = -1;
_yOffset = 0.0;
setGrid(50, 60);
_drawGrid = false;
_selectable = false;
setMouseTracking(true);
setReadOnly(false);
setSystemPalette(false);
_moreElements = false;
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Ignored);
setObjectName("palette-cells");
}
Palette::~Palette()
{
for (PaletteCell* cell : cells)
delete cell;
}
//---------------------------------------------------------
// resizeEvent
//---------------------------------------------------------
void Palette::resizeEvent(QResizeEvent* e)
{
setFixedHeight(heightForWidth(e->size().width()));
}
//---------------------------------------------------------
// filter
/// return true if all filtered
//---------------------------------------------------------
bool Palette::filter(const QString& text)
{
filterActive = false;
setMouseTracking(true);
QString t = text.toLower();
if (t == "") {
mscore->getPaletteBox()->setKeyboardNavigation(false);
for (Palette* p : mscore->getPaletteBox()->palettes()) {
if (p->getCurrentIdx() != -1) {
p->setCurrentIdx(-1);
p->update();
}
}
}
bool res = true;
dragCells.clear();
// if palette name is searched for, display all elements in the palette
if (_name.startsWith(t, Qt::CaseInsensitive)) {
PaletteCell* c = cells.first();
for (PaletteCell* cell : cells)
dragCells.append(cell);
bool contains = t.isEmpty() || c;
if (!contains)
filterActive = true;
if (contains && res)
res = false;
}
for (PaletteCell* cell : cells) {
QStringList h = cell->name.toLower().split(" ");
bool c = false;
QStringList n = t.split(" ");
for (QString hs : h) {
for (QString ns : n) {
if (!ns.trimmed().isEmpty())
c = hs.trimmed().startsWith(ns.trimmed());
}
if (c)
break;
}
if (t.isEmpty() || c)
dragCells.append(cell);
bool contains = t.isEmpty() || c;
if (!contains)
filterActive = true;
if (contains && res)
res = false;
}
setFixedHeight(heightForWidth(width()));
updateGeometry();
return res;
}
//---------------------------------------------------------
// setMoreElements
//---------------------------------------------------------
void Palette::setMoreElements(bool val)
{
_moreElements = val;
if (val && (cells.isEmpty() || cells.back()->tag != "ShowMore")) {
PaletteCell* cell = new PaletteCell;
cell->name = tr("Show More");
cell->tag = "ShowMore";
cells.append(cell);
}
else if (!val && !cells.isEmpty() && (cells.last()->tag == "ShowMore") ) {
PaletteCell* cell = cells.takeLast();
delete cell;
}
}
//---------------------------------------------------------
// setSystemPalette
//---------------------------------------------------------
void Palette::setSystemPalette(bool val)
{
_systemPalette = val;
if (val)
setReadOnly(true);
}
//---------------------------------------------------------
// setReadOnly
//---------------------------------------------------------
void Palette::setReadOnly(bool val)
{
_readOnly = val;
setAcceptDrops(!val);
}
//---------------------------------------------------------
// setMag
//---------------------------------------------------------
void Palette::setMag(qreal val)
{
extraMag = val;
}
//---------------------------------------------------------
// contextMenuEvent
//---------------------------------------------------------
void Palette::contextMenuEvent(QContextMenuEvent* event)
{
if (!_showContextMenu)
return;
int i = idx(event->pos());
if (i == -1) {
// palette context menu
if (!_moreElements)
return;
QMenu menu;
QAction* moreAction = menu.addAction(tr("More Elements…"));
moreAction->setEnabled(_moreElements);
QAction* action = menu.exec(mapToGlobal(event->pos()));
if (action == moreAction)
emit displayMore(_name);
return;
}
QMenu menu;
QAction* deleteCellAction = menu.addAction(tr("Delete"));
QAction* contextAction = menu.addAction(tr("Properties…"));
deleteCellAction->setEnabled(!_readOnly);
contextAction->setEnabled(!_readOnly);
QAction* moreAction = menu.addAction(tr("More Elements…"));
moreAction->setEnabled(_moreElements);
if (filterActive || (cellAt(i) && cellAt(i)->readOnly))
deleteCellAction->setEnabled(false);
if (!deleteCellAction->isEnabled() && !contextAction->isEnabled() && !moreAction->isEnabled())
return;
const QAction* action = menu.exec(mapToGlobal(event->pos()));
if (action == deleteCellAction) {
PaletteCell* cell = cellAt(i);
if (cell) {
int ret = QMessageBox::warning(this, QWidget::tr("Delete palette cell"),
QWidget::tr("Are you sure you want to delete palette cell \"%1\"?")
.arg(cell->name), QMessageBox::Yes | QMessageBox::No,
QMessageBox::Yes);
if (ret != QMessageBox::Yes)
return;
if(cell->tag == "ShowMore")
_moreElements = false;
delete cell;
}
cells[i] = nullptr;
emit changed();
}
else if (action == contextAction) {
//disable due to the new implementation
/*PaletteCell* c = cellAt(i);
if (c == 0)
return;
PaletteCellProperties props(c);
if (props.exec())
emit changed();*/
}
else if (moreAction && (action == moreAction))
emit displayMore(_name);
bool sizeChanged = false;
for (int j = 0; j < cells.size(); ++j) {
if (!cellAt(j)) {
cells.removeAt(j);
sizeChanged = true;
}
}
if (sizeChanged) {
setFixedHeight(heightForWidth(width()));
updateGeometry();
}
update();
}
//---------------------------------------------------------
// setGrid
//---------------------------------------------------------
void Palette::setGrid(int hh, int vv)
{
hgrid = hh;
vgrid = vv;
QSize s(hgrid, vgrid);
setSizeIncrement(s);
setBaseSize(s);
setMinimumSize(s);
updateGeometry();
}
//---------------------------------------------------------
// element
//---------------------------------------------------------
Element* Palette::element(int idx)
{
if (idx < size() && cellAt(idx))
return cellAt(idx)->element.get();
else
return 0;
}
//---------------------------------------------------------
// contentsMousePressEvent
//---------------------------------------------------------
void Palette::mousePressEvent(QMouseEvent* ev)
{
dragStartPosition = ev->pos();
dragIdx = idx(dragStartPosition);
/*
// Take out of edit mode to prevent crashes when adding
// elements from palette
ScoreView* cv = mscore->currentScoreView();
if (cv && cv->editMode())
cv->changeState(ViewState::NORMAL);
*/
if (dragIdx == -1)
return;
if (_selectable) {
if (dragIdx != selectedIdx) {
update(idxRect(dragIdx) | idxRect(selectedIdx));
selectedIdx = dragIdx;
}
emit boxClicked(dragIdx);
}
PaletteCell* cell = cellAt(dragIdx);
if (cell && (cell->tag == "ShowMore"))
emit displayMore(_name);
if (mscore->getPaletteBox()->getKeyboardNavigation()) {
PaletteBox* pb = mscore->getPaletteBox();
pb->mousePressEvent(ev, this);
update();
}
}
//---------------------------------------------------------
// mouseMoveEvent
//---------------------------------------------------------
void Palette::mouseMoveEvent(QMouseEvent* ev)
{
PaletteBox* pb = mscore->getPaletteBox();
if (pb->getKeyboardNavigation()) {
ev->ignore();
return;
}
if ((currentIdx != -1) && (dragIdx == currentIdx) && (ev->buttons() & Qt::LeftButton)
&& (ev->pos() - dragStartPosition).manhattanLength() > QApplication::startDragDistance())
{
PaletteCell* cell = cellAt(currentIdx);
if (cell && cell->element) {
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
const Element* el = cell->element.get();
mimeData->setData(mimeSymbolFormat, el->mimeData(QPointF()));
drag->setMimeData(mimeData);
drag->setPixmap(pixmap(currentIdx));
QPoint hotsp(drag->pixmap().rect().bottomRight());
drag->setHotSpot(hotsp);
Qt::DropActions da;
if (!(_readOnly || filterActive) && (ev->modifiers() & Qt::ShiftModifier)) {
dragCells = cells; // backup
da = Qt::MoveAction;
}
else
da = Qt::CopyAction;
Qt::DropAction a = drag->exec(da);
if (da == Qt::MoveAction && a != da)
cells = dragCells; // restore on a failed move action
update();
}
}
else {
currentIdx = idx(ev->pos());
if (currentIdx != -1 && cellAt(currentIdx) == 0)
currentIdx = -1;
update();
}
}
//---------------------------------------------------------
// applyDrop
//---------------------------------------------------------
static void applyDrop(Score* score, ScoreView* viewer, Element* target, Element* e, Qt::KeyboardModifiers modifiers, QPointF pt = QPointF())
{
EditData& dropData = viewer->getEditData();
dropData.pos = pt.isNull() ? target->pagePos() : pt;
dropData.dragOffset = QPointF();
dropData.modifiers = modifiers;
dropData.dropElement = e;
if (target->acceptDrop(dropData)) {
// use same code path as drag&drop
QByteArray a = e->mimeData(QPointF());
//printf("<<%s>>\n", a.data());
XmlReader n(a);
Fraction duration; // dummy
QPointF dragOffset;
ElementType type = Element::readType(n, &dragOffset, &duration);
dropData.dropElement = Element::create(type, score);
dropData.dropElement->read(n);
dropData.dropElement->styleChanged(); // update to local style
Element* el = target->drop(dropData);
if (el && !viewer->noteEntryMode())
score->select(el, SelectType::SINGLE, 0);
dropData.dropElement = 0;
}
}
//---------------------------------------------------------
// applyPaletteElement
//---------------------------------------------------------
void Palette::applyPaletteElement(Element* element, Qt::KeyboardModifiers modifiers)
{
Score* score = mscore->currentScore();
if (score == 0)
return;
const Selection sel = score->selection(); // make a copy of selection state before applying the operation.
if (sel.isNone())
return;
// Element* element = 0;
// if (cell)
// element = cell->element.get();
if (element == 0)
return;
if (element->isSpanner())
TourHandler::startTour("spanner-drop-apply");
#ifdef MSCORE_UNSTABLE
if (ScriptRecorder* rec = mscore->getScriptRecorder()) {
if (modifiers == 0)
rec->recordPaletteElement(element);
}
#endif
ScoreView* viewer = mscore->currentScoreView();
// exit edit mode, to allow for palette element to be applied properly
if (viewer && viewer->editMode() && !(viewer->mscoreState() & STATE_ALLTEXTUAL_EDIT))
viewer->changeState(ViewState::NORMAL);
if (viewer->mscoreState() != STATE_EDIT
&& viewer->mscoreState() != STATE_LYRICS_EDIT
&& viewer->mscoreState() != STATE_HARMONY_FIGBASS_EDIT) { // Already in startCmd in this case
score->startCmd();
}
if (sel.isList()) {
ChordRest* cr1 = sel.firstChordRest();
ChordRest* cr2 = sel.lastChordRest();
bool addSingle = false; // add a single line only
if (cr1 && cr2 == cr1) {
// one chordrest selected, ok to add line
addSingle = true;
}
else if (sel.elements().size() == 2 && cr1 && cr2 && cr1 != cr2) {
// two chordrests selected
// must be on same staff in order to add line, except for slur
if (element->isSlur() || cr1->staffIdx() == cr2->staffIdx())
addSingle = true;
}
if (viewer->mscoreState() == STATE_NOTE_ENTRY_STAFF_DRUM && element->isChord()) {
// use input position rather than selection if possible
Element* e = score->inputState().cr();
if (!e)
e = sel.elements().first();
if (e) {
// get note if selection was full chord
if (e->isChord())
e = toChord(e)->upNote();
// use voice of element being added to (otherwise we can might corrupt the measure)
element->setTrack(e->voice());
applyDrop(score, viewer, e, element, modifiers);
// continue in same track
score->inputState().setTrack(e->track());
}
else
qDebug("nowhere to place drum note");
}
else if (element->isLayoutBreak()) {
LayoutBreak* breakElement = toLayoutBreak(element);
score->cmdToggleLayoutBreak(breakElement->layoutBreakType());
}
else if (element->isSlur() && addSingle) {
viewer->addSlur();
}
else if (element->isSLine() && !element->isGlissando() && addSingle) {
Segment* startSegment = cr1->segment();
Segment* endSegment = cr2->segment();
if (element->type() == ElementType::PEDAL && cr2 != cr1)
endSegment = endSegment->nextCR(cr2->track());
// TODO - handle cross-voice selections
int idx = cr1->staffIdx();
QByteArray a = element->mimeData(QPointF());
//printf("<<%s>>\n", a.data());
XmlReader e(a);
Fraction duration; // dummy
QPointF dragOffset;
ElementType type = Element::readType(e, &dragOffset, &duration);
Spanner* spanner = static_cast<Spanner*>(Element::create(type, score));
spanner->read(e);
spanner->styleChanged();
score->cmdAddSpanner(spanner, idx, startSegment, endSegment);
}
else {
for (Element* e : sel.elements())
applyDrop(score, viewer, e, element, modifiers);
}
}
else if (sel.isRange()) {
if (element->type() == ElementType::BAR_LINE
|| element->type() == ElementType::MARKER
|| element->type() == ElementType::JUMP
|| element->type() == ElementType::SPACER
|| element->type() == ElementType::VBOX
|| element->type() == ElementType::HBOX
|| element->type() == ElementType::TBOX
|| element->type() == ElementType::MEASURE
|| element->type() == ElementType::BRACKET
|| element->type() == ElementType::STAFFTYPE_CHANGE
|| (element->type() == ElementType::ICON
&& (toIcon(element)->iconType() == IconType::VFRAME
|| toIcon(element)->iconType() == IconType::HFRAME
|| toIcon(element)->iconType() == IconType::TFRAME
|| toIcon(element)->iconType() == IconType::MEASURE
|| toIcon(element)->iconType() == IconType::BRACKETS))) {
Measure* last = sel.endSegment() ? sel.endSegment()->measure() : nullptr;
for (Measure* m = sel.startSegment()->measure(); m; m = m->nextMeasureMM()) {
QRectF r = m->staffabbox(sel.staffStart());
QPointF pt(r.x() + r.width() * .5, r.y() + r.height() * .5);
pt += m->system()->page()->pos();
applyDrop(score, viewer, m, element, modifiers, pt);
if (m == last)
break;
}
}
else if (element->type() == ElementType::LAYOUT_BREAK) {
LayoutBreak* breakElement = static_cast<LayoutBreak*>(element);
score->cmdToggleLayoutBreak(breakElement->layoutBreakType());
}
else if (element->isClef() || element->isKeySig() || element->isTimeSig()) {
Measure* m1 = sel.startSegment()->measure();
Measure* m2 = sel.endSegment() ? sel.endSegment()->measure() : nullptr;
if (m2 == m1 && sel.startSegment()->rtick().isZero())
m2 = nullptr; // don't restore original if one full measure selected
else if (m2)
m2 = m2->nextMeasureMM();
// for clefs, apply to each staff separately
// otherwise just apply to top staff
int staffIdx1 = sel.staffStart();
int staffIdx2 = element->type() == ElementType::CLEF ? sel.staffEnd() : staffIdx1 + 1;
for (int i = staffIdx1; i < staffIdx2; ++i) {
// for clefs, use mid-measure changes if appropriate
Element* e1 = nullptr;
Element* e2 = nullptr;
// use mid-measure clef changes as appropriate
if (element->type() == ElementType::CLEF) {
if (sel.startSegment()->isChordRestType() && sel.startSegment()->rtick().isNotZero()) {
ChordRest* cr = static_cast<ChordRest*>(sel.startSegment()->nextChordRest(i * VOICES));
if (cr && cr->isChord())
e1 = static_cast<Chord*>(cr)->upNote();
else
e1 = cr;
}
if (sel.endSegment() && sel.endSegment()->segmentType() == SegmentType::ChordRest) {
ChordRest* cr = static_cast<ChordRest*>(sel.endSegment()->nextChordRest(i * VOICES));
if (cr && cr->isChord())
e2 = static_cast<Chord*>(cr)->upNote();
else
e2 = cr;
}
}
if (m2 || e2) {
// restore original clef/keysig/timesig
Staff* staff = score->staff(i);
Fraction tick1 = sel.startSegment()->tick();
Element* oelement = nullptr;
switch (element->type()) {
case ElementType::CLEF:
{
Clef* oclef = new Clef(score);
oclef->setClefType(staff->clef(tick1));
oelement = oclef;
break;
}
case ElementType::KEYSIG:
{
KeySig* okeysig = new KeySig(score);
okeysig->setKeySigEvent(staff->keySigEvent(tick1));
if (!score->styleB(Sid::concertPitch) && !okeysig->isCustom() && !okeysig->isAtonal()) {
Interval v = staff->part()->instrument(tick1)->transpose();
if (!v.isZero()) {
Key k = okeysig->key();
okeysig->setKey(transposeKey(k, v));
}
}
oelement = okeysig;
break;
}
case ElementType::TIMESIG:
{
TimeSig* otimesig = new TimeSig(score);
otimesig->setFrom(staff->timeSig(tick1));
oelement = otimesig;
break;
}
default:
break;
}
if (oelement) {
if (e2) {
applyDrop(score, viewer, e2, oelement, modifiers);
}
else {
QRectF r = m2->staffabbox(i);
QPointF pt(r.x() + r.width() * .5, r.y() + r.height() * .5);
pt += m2->system()->page()->pos();
applyDrop(score, viewer, m2, oelement, modifiers, pt);
}
delete oelement;
}
}
// apply new clef/keysig/timesig
if (e1) {
applyDrop(score, viewer, e1, element, modifiers);
}
else {
QRectF r = m1->staffabbox(i);
QPointF pt(r.x() + r.width() * .5, r.y() + r.height() * .5);
pt += m1->system()->page()->pos();
applyDrop(score, viewer, m1, element, modifiers, pt);
}
}
}
else if (element->isSlur()) {
viewer->addSlur();
}
else if (element->isSLine() && element->type() != ElementType::GLISSANDO) {
Segment* startSegment = sel.startSegment();
Segment* endSegment = sel.endSegment();
int endStaff = sel.staffEnd();
for (int i = sel.staffStart(); i < endStaff; ++i) {
Spanner* spanner = static_cast<Spanner*>(element->clone());
spanner->setScore(score);
spanner->styleChanged();
score->cmdAddSpanner(spanner, i, startSegment, endSegment);
}
}
else {
int track1 = sel.staffStart() * VOICES;
int track2 = sel.staffEnd() * VOICES;
Segment* startSegment = sel.startSegment();
Segment* endSegment = sel.endSegment(); //keep it, it could change during the loop
for (Segment* s = startSegment; s && s != endSegment; s = s->next1()) {
for (int track = track1; track < track2; ++track) {
Element* e = s->element(track);
if (e == 0 || !score->selectionFilter().canSelect(e) || !score->selectionFilter().canSelectVoice(track))
continue;
if (e->isChord()) {
Chord* chord = toChord(e);
for (Note* n : chord->notes())
applyDrop(score, viewer, n, element, modifiers);
}
else {
// do not apply articulation to barline in a range selection
if (!e->isBarLine() || !element->isArticulation())
applyDrop(score, viewer, e, element, modifiers);
}
}
}
}
}
else
qDebug("unknown selection state");
if (viewer->mscoreState() != STATE_EDIT
&& viewer->mscoreState() != STATE_LYRICS_EDIT
&& viewer->mscoreState() != STATE_HARMONY_FIGBASS_EDIT) { //Already in startCmd mode in this case
score->endCmd();
if (viewer->mscoreState() == STATE_NOTE_ENTRY_STAFF_DRUM)
viewer->moveCursor();
}
viewer->setDropTarget(0);
// mscore->endCmd();
}
//---------------------------------------------------------
// keyPressEvent
//---------------------------------------------------------
void PaletteScrollArea::keyPressEvent(QKeyEvent* event)
{
QWidget* w = this->widget();
Palette* p = static_cast<Palette*>(w);
int pressedKey = event->key();
switch (pressedKey) {
case Qt::Key_Right:
case Qt::Key_Left:
case Qt::Key_Up:
case Qt::Key_Down:
{
int idx = p->getSelectedIdx();
if (pressedKey == Qt::Key_Left || pressedKey == Qt::Key_Up)
idx--;
else
idx++;
if (idx < 0)
idx = p->size() - 1;
else if (idx >= p->size())
idx = 0;
p->setSelected(idx);
// set widget name to name of selected element
// we could set the description, but some screen readers ignore it
QString name = p->cellAt(idx)->translatedName();
ScoreAccessibility::makeReadable(name);
setAccessibleName(name);
QAccessibleEvent aev(this, QAccessible::NameChanged);
QAccessible::updateAccessibility(&aev);
p->update();
break;
}
default:
break;
}
QScrollArea::keyPressEvent(event);
}
//---------------------------------------------------------
// mouseDoubleClickEvent
//---------------------------------------------------------
void Palette::mouseDoubleClickEvent(QMouseEvent* ev)
{
if (_disableDoubleClick)
return;
int i = idx(ev->pos());
if (i == -1)
return;
Score* score = mscore->currentScore();
if (score == 0)
return;
if (score->selection().isNone())
return;
PaletteCell* cell = cellAt(i);
if (!cell)
return;
applyPaletteElement(cell->element.get(), ev->modifiers());
}
//---------------------------------------------------------
// idx
//---------------------------------------------------------
int Palette::idx(const QPoint& p) const
{
if (columns() == 0)
return -1;
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 >= size())
return -1;
return idx;
}
//---------------------------------------------------------
// idx2
// returns indexes outside of cells.size()
//---------------------------------------------------------
int Palette::idx2(const QPoint& p) const
{
if (columns() == 0)
return -1;
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 > columns()*rows())
return -1;
return idx;
}
//---------------------------------------------------------
// idxRect
//---------------------------------------------------------
QRect Palette::idxRect(int i) const
{
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);
}
//---------------------------------------------------------
// leaveEvent
//---------------------------------------------------------
void Palette::leaveEvent(QEvent*)
{
if (currentIdx != -1) {
QRect r = idxRect(currentIdx);
PaletteBox* pb = mscore->getPaletteBox();
if (!pb->getKeyboardNavigation() && !(QGuiApplication::keyboardModifiers() & Qt::ShiftModifier))
currentIdx = -1;
update(r);
}
}
//---------------------------------------------------------
// nextPaletteElement
//---------------------------------------------------------
void Palette::nextPaletteElement()
{
PaletteBox* pb = mscore->getPaletteBox();
if (!pb->getKeyboardNavigation())
return;
int i = currentIdx;
if (i == -1)
return;
i++;
if (i < size() && cellAt(i))
currentIdx = i;
// TODO: screenreader support
//QString name = qApp->translate("Palette", cellAt(i)->name.toUtf8());
//ScoreAccessibility::makeReadable(name);
update();
}
//---------------------------------------------------------
// prevPaletteElement
//---------------------------------------------------------
void Palette::prevPaletteElement()
{
PaletteBox* pb = mscore->getPaletteBox();
if (!pb->getKeyboardNavigation())
return;
int i = currentIdx;
if (i == -1)
return;
i--;
if (i >= 0 && cellAt(i))
currentIdx = i;
// TODO: screenreader support
//QString name = qApp->translate("Palette", cellAt(i)->name.toUtf8());
//ScoreAccessibility::makeReadable(name);
update();
}
//---------------------------------------------------------
// applyPaletteElement
//---------------------------------------------------------
void Palette::applyPaletteElement()
{
Score* score = mscore->currentScore();
if (score == 0)
return;
const Selection& sel = score->selection();
if (sel.isNone())
return;
// apply currently selected palette symbol to selected score elements
int i = currentIdx;
if (i < size() && cellAt(i))
applyPaletteElement(cellAt(i)->element.get());
else
return;
}
//---------------------------------------------------------
// 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;
int idx;
if (_moreElements) {
cells.insert(cells.size() - 1, cell);
idx = cells.size() - 2;
}
else {
cells.append(cell);
idx = cells.size() - 1;
}
PaletteCell* pc = add(idx, s, name, tag, mag);
setFixedHeight(heightForWidth(width()));
updateGeometry();
return pc;
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
PaletteCell* Palette::add(int idx, Element* s, const QString& name, QString tag, qreal mag)
{
if (s) {
s->setPos(0.0, 0.0);
s->setOffset(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.reset(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->isIcon()) {
Icon* icon = toIcon(s);
connect(getAction(icon->action()), SIGNAL(toggled(bool)), SLOT(actionToggled(bool)));
}
updateGeometry();
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 * guiScaling / _spatium;
qreal mag = PALETTE_SPATIUM * extraMag / _spatium;
gscore->setSpatium(SPATIUM20);
QPainter p(this);
p.setRenderHint(QPainter::Antialiasing, true);
QColor bgColor(0xf6, 0xf0, 0xda);
if (preferences.getBool(PREF_UI_CANVAS_FG_USECOLOR))
bgColor = preferences.getColor(PREF_UI_CANVAS_FG_COLOR);
#if 1
p.setBrush(bgColor);
p.drawRoundedRect(0, 0, width(), height(), 2, 2);
#else
p.fillRect(event->rect(), QColor(0xf6, 0xf0, 0xda));
#endif
//
// draw grid
//
if (columns() == 0)
return;
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));
QPen pen(Qt::black);
pen.setWidthF(MScore::defaultStyle().value(Sid::staffLineWidth).toDouble() * PALETTE_SPATIUM * extraMag);
for (int idx = 0; idx < ccp()->size(); ++idx) {
int yoffset = gscore->spatium() * _yOffset;
QRect r = idxRect(idx);
QRect rShift = r.translated(0, yoffset);
p.setPen(pen);
QColor c(MScore::selectColor[0]);
if (idx == selectedIdx) {
c.setAlpha(100);
p.fillRect(r, c);
}
else if (idx == currentIdx) {
c.setAlpha(50);
p.fillRect(r, c);
}
if (ccp()->at(idx) == 0)
continue;
PaletteCell* cc = ccp()->at(idx); // current cell
QString tag = cc->tag;
if (!tag.isEmpty()) {
p.setPen(Qt::darkGray);
QFont f(p.font());
f.setPointSize(12);
p.setFont(f);
if (tag == "ShowMore")
p.drawText(idxRect(idx), Qt::AlignCenter, "???");
else
p.drawText(rShift, Qt::AlignLeft | Qt::AlignTop, tag);
}
p.setPen(pen);
Element* el = cc->element.get();
if (el == 0)
continue;
bool drawStaff = cc->drawStaff;
int row = idx / columns();
int column = idx % columns();
qreal cellMag = cc->mag * mag;
if (el->isIcon()) {
toIcon(el)->setExtent((hhgrid < vgrid ? hhgrid : vgrid) - 4);
cellMag = 1.0;
}
el->layout();
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 + cc->xoffset * _spatium;
double gy = row * gh + cc->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);
cc->x = sx;
cc->y = sy;
QColor color;
if (idx != selectedIdx) {
// show voice colors for notes
if (el->isChord())
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();
}
}
//---------------------------------------------------------
// pixmap
//---------------------------------------------------------
QPixmap Palette::pixmap(int paletteIdx) const
{
qreal _spatium = gscore->spatium();
qreal mag = PALETTE_SPATIUM * extraMag / _spatium;
PaletteCell* c = cellAt(paletteIdx);
if (!c || !c->element)
return QPixmap();
qreal cellMag = c->mag * mag;
Element* e = c->element.get();
e->layout();
QRectF r = e->bbox();
int w = lrint(r.width() * cellMag);
int h = lrint(r.height() * cellMag);
if (w * h == 0) {
qDebug("zero pixmap %d %d %s", w, h, e->name());
return QPixmap();
}
QPixmap pm(w, h);
pm.fill(Qt::transparent);
QPainter p(&pm);
p.setRenderHint(QPainter::Antialiasing, true);
if (e->isIcon())
toIcon(e)->setExtent(w < h ? w : h);
p.scale(cellMag, cellMag);
p.translate(-r.topLeft());
QPointF pos = e->ipos();
e->setPos(0, 0);
QColor color;
// show voice colors for notes
if (e->isChord()) {
Chord* chord = toChord(e);
for (Note* n : chord->notes())
n->setSelected(true);
color = e->curColor();
}
else
color = palette().color(QPalette::Normal, QPalette::Text);
p.setPen(QPen(color));
e->scanElements(&p, paintPaletteElement);
e->setPos(pos);
return pm;
}
//---------------------------------------------------------
// event
//---------------------------------------------------------
bool Palette::event(QEvent* ev)
{
PaletteBox* pb = mscore->getPaletteBox();
// disable mouse hover when keyboard navigation is enabled
if (filterActive && pb->getKeyboardNavigation() && (ev->type() == QEvent::MouseMove || ev->type() == QEvent::ToolTip
|| ev->type() == QEvent::WindowDeactivate)) {
return true;
}
else 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 (cellAt(idx) == 0)
return false;
QToolTip::showText(he->globalPos(), cellAt(idx)->translatedName(), this);
return false;
}
return QWidget::event(ev);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Palette::write(XmlWriter& xml) const
{
xml.stag(QString("Palette name=\"%1\"").arg(XmlWriter::xmlString(_name)));
xml.tag("gridWidth", hgrid);
xml.tag("gridHeight", vgrid);
xml.tag("mag", extraMag);
if (_drawGrid)
xml.tag("grid", _drawGrid);
xml.tag("moreElements", _moreElements);
if (_yOffset != 0.0)
xml.tag("yoffset", _yOffset);
int n = cells.size();
for (int i = 0; i < n; ++i) {
if (cells[i] && cells[i]->tag == "ShowMore")
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(XmlWriter::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)
{
XmlReader e(qf);
while (e.readNextStartElement()) {
if (e.name() == "museScore") {
QString version = e.attribute("version");
QStringList sl = version.split('.');
int versionId = sl[0].toInt() * 100 + sl[1].toInt();
gscore->setMscVersion(versionId);
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "Palette") {
QString name = e.attribute("name");
setName(name);
read(e);
}
else
e.unknown();
}
}
}
return true;
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
bool Palette::read(const QString& p)
{
QString path(p);
if (!path.endsWith(".mpal"))
path += ".mpal";
MQZipReader f(path);
if (!f.exists()) {
qDebug("palette <%s> not found", qPrintable(path));
return false;
}
clear();
QByteArray ba = f.fileData("META-INF/container.xml");
XmlReader e(ba);
// extract first rootfile
QString rootfile = "";
QList<QString> images;
while (e.readNextStartElement()) {
if (e.name() != "container") {
e.unknown();
break;;
}
while (e.readNextStartElement()) {
if (e.name() != "rootfiles") {
e.unknown();
break;
}
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "rootfile") {
if (rootfile.isEmpty())
rootfile = e.attribute("full-path");
e.readNext();
}
else if (tag == "file")
images.append(e.readElementText());
else
e.unknown();
}
}
}
//
// 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 false;
}
ba = f.fileData(rootfile);
e.clear();
e.addData(ba);
while (e.readNextStartElement()) {
if (e.name() == "museScore") {
QString version = e.attribute("version");
QStringList sl = version.split('.');
int versionId = sl[0].toInt() * 100 + sl[1].toInt();
gscore->setMscVersion(versionId);
while (e.readNextStartElement()) {
if (e.name() == "Palette") {
QString name = e.attribute("name");
setName(name);
read(e);
}
else
e.unknown();
}
}
else
e.unknown();
}
return true;
}
//---------------------------------------------------------
// writeFailed
//---------------------------------------------------------
static void writeFailed(const QString& path)
{
QString s = qApp->translate("Palette", "Writing Palette File\n%1\nfailed: ").arg(path); // reason?
QMessageBox::critical(mscore, qApp->translate("Palette", "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() != ElementType::IMAGE)
continue;
images.insert(static_cast<Image*>(cells[i]->element.get())->storeItem());
}
QString path(p);
if (!path.endsWith(".mpal"))
path += ".mpal";
MQZipWriter 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() != MQZipWriter::NoError) {
writeFailed(path);
return;
}
QBuffer cbuf;
cbuf.open(QIODevice::ReadWrite);
XmlWriter xml(gscore, &cbuf);
xml.header();
xml.stag("container");
xml.stag("rootfiles");
xml.stag(QString("rootfile full-path=\"%1\"").arg(XmlWriter::xmlString("palette.xml")));
xml.etag();
foreach (ImageStoreItem* ip, images) {
QString ipath = QString("Pictures/") + ip->hashName();
xml.tag("file", ipath);
}
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 ipath = QString("Pictures/") + ip->hashName();
f.addFile(ipath, ip->buffer());
}
{
QBuffer cbuf1;
cbuf1.open(QIODevice::ReadWrite);
XmlWriter xml1(gscore, &cbuf1);
xml1.header();
xml1.stag("museScore version=\"" MSC_VERSION "\"");
write(xml1);
xml1.etag();
cbuf1.close();
f.addFile("palette.xml", cbuf1.data());
}
f.close();
if (f.status() != MQZipWriter::NoError)
writeFailed(path);
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Palette::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& t(e.name());
if (t == "gridWidth")
hgrid = e.readDouble();
else if (t == "gridHeight")
vgrid = e.readDouble();
else if (t == "mag")
extraMag = e.readDouble();
else if (t == "grid")
_drawGrid = e.readInt();
else if (t == "moreElements")
setMoreElements(e.readInt());
else if (t == "yoffset")
_yOffset = e.readDouble();
else if (t == "drumPalette") // obsolete
e.skipCurrentElement();
else if (t == "Cell") {
PaletteCell* cell = new PaletteCell;
cell->name = e.attribute("name");
bool add = true;
while (e.readNextStartElement()) {
const QStringRef& t1(e.name());
if (t1 == "staff")
cell->drawStaff = e.readInt();
else if (t1 == "xoffset")
cell->xoffset = e.readDouble();
else if (t1 == "yoffset")
cell->yoffset = e.readDouble();
else if (t1 == "mag")
cell->mag = e.readDouble();
else if (t1 == "tag")
cell->tag = e.readElementText();
else {
cell->element.reset(Element::name2Element(t1, gscore));
if (cell->element == 0) {
e.unknown();
delete cell;
return;
}
else {
cell->element->read(e);
cell->element->styleChanged();
if (cell->element->type() == ElementType::ICON) {
Icon* icon = static_cast<Icon*>(cell->element.get());
QAction* ac = getAction(icon->action());
if (ac) {
QIcon qicon(ac->icon());
icon->setAction(icon->action(), qicon);
}
else {
add = false; // action is not valid, don't add it to the palette.
}
}
}
}
}
if (add) {
int idx = _moreElements ? cells.size() - 1 : cells.size();
cells.insert(idx, cell);
}
}
else
e.unknown();
}
// make sure hgrid and vgrid are not 0, we divide by them later
if (hgrid <= 0)
hgrid = 28;
if (vgrid <= 0)
vgrid = 28;
}
//---------------------------------------------------------
// clear
//---------------------------------------------------------
void Palette::clear()
{
qDeleteAll(cells);
cells.clear();
}
//---------------------------------------------------------
// rows
//---------------------------------------------------------
int Palette::rows() const
{
int c = columns();
if (c == 0)
return 0;
return (size() + c - 1) / c;
}
//---------------------------------------------------------
// heightForWidth
//---------------------------------------------------------
int Palette::heightForWidth(int w) const
{
int c = w / hgrid;
if (c <= 0)
c = 1;
int s = size();
if (_moreElements)
s += 1;
int rows = (s + c - 1) / c;
if (rows <= 0)
rows = 1;
qreal mag = PALETTE_SPATIUM * extraMag;
int h = lrint(_yOffset * 2 * mag);
return rows * vgrid + h;
}
//---------------------------------------------------------
// sizeHint
//---------------------------------------------------------
QSize Palette::sizeHint() const
{
int h = heightForWidth(width());
return QSize((width() / hgrid) * hgrid, h);
}
//---------------------------------------------------------
// actionToggled
//---------------------------------------------------------
void Palette::actionToggled(bool /*val*/)
{
selectedIdx = -1;
int nn = ccp()->size();
for (int n = 0; n < nn; ++n) {
const Element* e = cellAt(n)->element.get();
if (e && e->type() == ElementType::ICON) {
QAction* a = getAction(static_cast<const Icon*>(e)->action());
if (a->isChecked()) {
selectedIdx = n;
break;
}
}
}
update();
}
//---------------------------------------------------------
// PaletteProperties
//---------------------------------------------------------
PaletteProperties::PaletteProperties(Palette* p, QWidget* parent)
: QDialog(parent)
{
setObjectName("PaletteProperties");
setupUi(this);
setWindowFlags(this->windowFlags() & ~Qt::WindowContextHelpButtonHint);
palette = p;
name->setText(palette->name());
cellWidth->setValue(palette->gridWidth());
cellHeight->setValue(palette->gridHeight());
showGrid->setChecked(palette->drawGrid());
elementOffset->setValue(palette->yOffset());
mag->setValue(palette->mag());
MuseScore::restoreGeometry(this);
}
//---------------------------------------------------------
// 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());
palette->emitChanged();
QDialog::accept();
}
//---------------------------------------------------------
// hideEvent
//---------------------------------------------------------
void PaletteProperties::hideEvent(QHideEvent* event)
{
MuseScore::saveGeometry(this);
QWidget::hideEvent(event);
}
//---------------------------------------------------------
// 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() - 6, h));
if (_restrictHeight) {
setMaximumHeight(h+6);
}
}
//---------------------------------------------------------
// dragEnterEvent
//---------------------------------------------------------
void Palette::dragEnterEvent(QDragEnterEvent* event)
{
const QMimeData* dta = event->mimeData();
if (dta->hasUrls()) {
QList<QUrl>ul = event->mimeData()->urls();
QUrl u = ul.front();
if (MScore::debugMode) {
qDebug("dragEnterEvent: Url: %s", qPrintable(u.toString()));
qDebug(" scheme <%s> path <%s>", 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 == "jpeg"
|| suffix == "png"
) {
event->acceptProposedAction();
}
}
}
else if (dta->hasFormat(mimeSymbolFormat)) {
event->accept();
update();
}
else {
event->ignore();
#ifndef NDEBUG
qDebug("dragEnterEvent: formats:");
for (const QString& s : event->mimeData()->formats())
qDebug(" %s", qPrintable(s));
#endif
}
}
//---------------------------------------------------------
// dragMoveEvent
//---------------------------------------------------------
void Palette::dragMoveEvent(QDragMoveEvent* event)
{
int i = idx(event->pos());
if (event->source() == this) {
if (i != -1) {
if (currentIdx != -1 && event->proposedAction() == Qt::MoveAction) {
if (i != currentIdx) {
PaletteCell* c = cells.takeAt(currentIdx);
cells.insert(i, c);
currentIdx = i;
update();
}
event->accept();
return;
}
}
event->ignore();
}
else
event->accept();
}
//---------------------------------------------------------
// dropEvent
//---------------------------------------------------------
void Palette::dropEvent(QDropEvent* event)
{
Element* e = 0;
QString name;
const QMimeData* datap = event->mimeData();
if (datap->hasUrls()) {
QList<QUrl>ul = event->mimeData()->urls();
QUrl u = ul.front();
if (u.scheme() == "file") {
QFileInfo fi(u.path());
Image* s = new Image(gscore);
QString filePath(u.toLocalFile());
s->load(filePath);
e = s;
QFileInfo f(filePath);
name = f.completeBaseName();
}
}
else if (datap->hasFormat(mimeSymbolFormat)) {
QByteArray dta(event->mimeData()->data(mimeSymbolFormat));
XmlReader xml(dta);
QPointF dragOffset;
Fraction duration;
ElementType type = Element::readType(xml, &dragOffset, &duration);
if (type == ElementType::SYMBOL) {
Symbol* symbol = new Symbol(gscore);
symbol->read(xml);
e = symbol;
}
else {
e = Element::create(type, gscore);
if (e) {
e->read(xml);
e->setTrack(0);
if (e->isIcon()) {
Icon* i = toIcon(e);
const QByteArray& action = i->action();
if (!action.isEmpty()) {
const Shortcut* s = Shortcut::getShortcut(action);
if (s) {
QAction* a = s->action();
QIcon icon(a->icon());
i->setAction(action, icon);
}
}
}
}
}
}
if (e == 0) {
event->ignore();
return;
}
if (event->source() == this) {
delete e;
if (event->proposedAction() == Qt::MoveAction) {
event->accept();
emit changed();
return;
}
event->ignore();
return;
}
if (e->isFretDiagram()) {
name = toFretDiagram(e)->harmonyText();
}
e->setSelected(false);
int i = idx(event->pos());
if (i == -1 || cells[i])
append(e, name);
else
add(i, e, name);
event->accept();
while (!cells.isEmpty() && cells.back() == 0)
cells.removeLast();
setFixedHeight(heightForWidth(width()));
updateGeometry();
update();
emit changed();
}
}