387 lines
11 KiB
C++
387 lines
11 KiB
C++
//=============================================================================
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// MuseScore
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// Linux Music Score Editor
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// $Id:$
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//
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// Copyright (C) 2009-2011 Werner Schweer and others
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//=============================================================================
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#include "musescore.h"
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#include "palette.h"
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#include "keyedit.h"
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#include "libmscore/keysig.h"
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#include "libmscore/score.h"
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#include "libmscore/accidental.h"
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#include "keycanvas.h"
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#include "libmscore/clef.h"
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#include "libmscore/mscore.h"
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#include "libmscore/xml.h"
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namespace Ms {
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extern bool useFactorySettings;
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extern Palette* newAccidentalsPalette();
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extern Palette* newKeySigPalette();
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//---------------------------------------------------------
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// KeyCanvas
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//---------------------------------------------------------
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KeyCanvas::KeyCanvas(QWidget* parent)
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: QFrame(parent)
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{
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setAcceptDrops(true);
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extraMag = 2.0;
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qreal mag = PALETTE_SPATIUM * extraMag / gscore->spatium();
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_matrix = QTransform(mag, 0.0, 0.0, mag, 0.0, 0.0);
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imatrix = _matrix.inverted();
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dragElement = 0;
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setFocusPolicy(Qt::StrongFocus);
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QAction* a = new QAction("delete", this);
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a->setShortcut(Qt::Key_Delete);
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addAction(a);
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clef = new Clef(gscore);
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clef->setClefType(ClefType::G);
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connect(a, SIGNAL(triggered()), SLOT(deleteElement()));
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}
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//---------------------------------------------------------
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// delete
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//---------------------------------------------------------
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void KeyCanvas::deleteElement()
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{
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foreach(Accidental* a, accidentals) {
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if (a->selected()) {
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accidentals.removeOne(a);
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delete a;
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update();
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break;
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}
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}
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}
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//---------------------------------------------------------
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// clear
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//---------------------------------------------------------
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void KeyCanvas::clear()
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{
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foreach(Accidental* a, accidentals)
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delete a;
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accidentals.clear();
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update();
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}
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//---------------------------------------------------------
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// paintEvent
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//---------------------------------------------------------
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void KeyCanvas::paintEvent(QPaintEvent*)
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{
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double spatium = 2.0 * PALETTE_SPATIUM / extraMag;
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gscore->setSpatium(spatium);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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qreal wh = double(height());
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qreal ww = double(width());
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double y = wh * .5 - 2 * PALETTE_SPATIUM * extraMag;
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qreal mag = PALETTE_SPATIUM * extraMag / gscore->spatium();
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_matrix = QTransform(mag, 0.0, 0.0, mag, 0.0, y);
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imatrix = _matrix.inverted();
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qreal x = 3;
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qreal w = ww - 6;
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painter.setWorldTransform(_matrix);
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QRectF r = imatrix.mapRect(QRectF(x, y, w, wh));
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QRectF background = imatrix.mapRect(QRectF(0, 0, ww, wh));
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painter.fillRect(background, Qt::white);
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QPen pen(Qt::black);
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pen.setWidthF(MScore::defaultStyle()->value(StyleIdx::staffLineWidth).toDouble() * spatium);
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painter.setPen(pen);
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for (int i = 0; i < 5; ++i) {
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qreal yy = r.y() + i * spatium;
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painter.drawLine(QLineF(r.x(), yy, r.x() + r.width(), yy));
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}
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if (dragElement) {
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painter.save();
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painter.translate(dragElement->pagePos());
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dragElement->draw(&painter);
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painter.restore();
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}
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foreach(Accidental* a, accidentals) {
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painter.save();
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painter.translate(a->pagePos());
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a->draw(&painter);
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painter.restore();
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}
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clef->setPos(0.0, 0.0);
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clef->layout();
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painter.translate(clef->pagePos());
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clef->draw(&painter);
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}
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//---------------------------------------------------------
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// mousePressEvent
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//---------------------------------------------------------
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void KeyCanvas::mousePressEvent(QMouseEvent* event)
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{
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startMove = imatrix.map(QPointF(event->pos() - base));
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moveElement = 0;
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foreach(Accidental* a, accidentals) {
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QRectF r = a->abbox();
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if (r.contains(startMove)) {
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a->setSelected(true);
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moveElement = a;
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}
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else
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a->setSelected(false);
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}
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update();
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}
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//---------------------------------------------------------
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// mouseMoveEvent
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//---------------------------------------------------------
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void KeyCanvas::mouseMoveEvent(QMouseEvent* event)
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{
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if (moveElement == 0)
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return;
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QPointF p = imatrix.map(QPointF(event->pos()));
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QPointF delta = p - startMove;
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moveElement->move(delta);
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startMove = p;
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update();
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}
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//---------------------------------------------------------
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// mouseReleaseEvent
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//---------------------------------------------------------
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void KeyCanvas::mouseReleaseEvent(QMouseEvent*)
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{
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if (moveElement == 0)
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return;
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snap(moveElement);
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update();
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}
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//---------------------------------------------------------
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// dragEnterEvent
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//---------------------------------------------------------
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void KeyCanvas::dragEnterEvent(QDragEnterEvent* event)
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{
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const QMimeData* data = event->mimeData();
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if (data->hasFormat(mimeSymbolFormat)) {
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QByteArray a = data->data(mimeSymbolFormat);
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XmlReader e(a);
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QPointF dragOffset;
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Fraction duration;
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Element::Type type = Element::readType(e, &dragOffset, &duration);
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if (type != Element::Type::ACCIDENTAL)
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return;
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event->acceptProposedAction();
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dragElement = static_cast<Accidental*>(Element::create(type, gscore));
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dragElement->setParent(0);
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dragElement->read(e);
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dragElement->layout();
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}
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else {
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if (MScore::debugMode) {
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qDebug("KeyCanvas::dragEnterEvent: formats:");
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foreach(const QString& s, event->mimeData()->formats())
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qDebug(" %s", qPrintable(s));
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}
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}
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}
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//---------------------------------------------------------
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// dragMoveEvent
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//---------------------------------------------------------
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void KeyCanvas::dragMoveEvent(QDragMoveEvent* event)
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{
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if (dragElement) {
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event->acceptProposedAction();
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QPointF pos(imatrix.map(QPointF(event->pos())));
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dragElement->setPos(pos);
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update();
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}
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}
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//---------------------------------------------------------
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// dropEvent
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//---------------------------------------------------------
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void KeyCanvas::dropEvent(QDropEvent*)
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{
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foreach(Accidental* a, accidentals)
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a->setSelected(false);
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dragElement->setSelected(true);
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accidentals.append(dragElement);
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snap(dragElement);
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dragElement = 0;
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update();
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}
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//---------------------------------------------------------
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// snap
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//---------------------------------------------------------
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void KeyCanvas::snap(Accidental* a)
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{
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double y = a->ipos().y();
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double spatium2 = PALETTE_SPATIUM / extraMag;
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int line = int(y / spatium2);
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y = line * spatium2;
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a->rypos() = y;
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}
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//---------------------------------------------------------
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// KeyEditor
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//---------------------------------------------------------
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KeyEditor::KeyEditor(QWidget* parent)
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: QWidget(parent, Qt::WindowFlags(Qt::Dialog | Qt::Window))
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{
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setupUi(this);
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setWindowTitle(tr("MuseScore: Key Signatures"));
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// create key signature palette
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QLayout* l = new QVBoxLayout();
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l->setContentsMargins(0, 0, 0, 0);
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frame->setLayout(l);
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sp = MuseScore::newKeySigPalette();
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sp->setReadOnly(false);
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_keyPalette = new PaletteScrollArea(sp);
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QSizePolicy policy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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_keyPalette->setSizePolicy(policy);
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_keyPalette->setRestrictHeight(false);
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l->addWidget(_keyPalette);
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// create accidental palette
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l = new QVBoxLayout();
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l->setContentsMargins(0, 0, 0, 0);
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frame_3->setLayout(l);
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sp1 = MuseScore::newAccidentalsPalette();
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PaletteScrollArea* accPalette = new PaletteScrollArea(sp1);
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QSizePolicy policy1(QSizePolicy::Expanding, QSizePolicy::Expanding);
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accPalette->setSizePolicy(policy1);
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accPalette->setRestrictHeight(false);
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l->addWidget(accPalette);
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connect(addButton, SIGNAL(clicked()), SLOT(addClicked()));
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connect(clearButton, SIGNAL(clicked()), SLOT(clearClicked()));
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connect(sp, SIGNAL(changed()), SLOT(setDirty()));
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//
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// set all "buildin" key signatures to read only
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//
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int n = sp->size();
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for (int i = 0; i < n; ++i)
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sp->setCellReadOnly(i, true);
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if (!useFactorySettings) {
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QFile f(dataPath + "/" + "keysigs.xml");
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if (f.exists() && sp->read(&f))
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return;
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}
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}
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//---------------------------------------------------------
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// addClicked
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//---------------------------------------------------------
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void KeyEditor::addClicked()
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{
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QList<KeySym> symbols;
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double extraMag = 2.0;
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const QList<Accidental*> al = canvas->getAccidentals();
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double spatium = 2.0 * PALETTE_SPATIUM / extraMag;
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double xoff = 10000000.0;
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foreach(Accidental* a, al) {
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QPointF pos = a->ipos();
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if (pos.x() < xoff)
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xoff = pos.x();
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}
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foreach(Accidental* a, al) {
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KeySym s;
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s.sym = a->symbol();
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QPointF pos = a->ipos();
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pos.rx() -= xoff;
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s.spos = pos / spatium;
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symbols.append(s);
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}
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KeySig* ks = new KeySig(gscore);
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ks->setCustom(symbols);
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sp->append(ks, "custom");
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_dirty = true;
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}
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//---------------------------------------------------------
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// clearClicked
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//---------------------------------------------------------
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void KeyEditor::clearClicked()
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{
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canvas->clear();
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}
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//---------------------------------------------------------
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// save
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//---------------------------------------------------------
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void KeyEditor::save()
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{
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QDir dir;
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dir.mkpath(dataPath);
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sp->write(dataPath + "/" + "keysigs.xml");
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}
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//---------------------------------------------------------
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// showKeyEditor
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//---------------------------------------------------------
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void MuseScore::showKeyEditor()
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{
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if (keyEditor == 0) {
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keyEditor = new KeyEditor(0);
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}
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keyEditor->show();
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keyEditor->raise();
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}
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}
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