aeb4919e77
This also fixes probably an error with not updating a selection in ScoreView::cmdChangeEnharmonic since the own copy was modified.
545 lines
19 KiB
C++
545 lines
19 KiB
C++
//=============================================================================
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// MusE Score
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// Linux Music Score Editor
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//
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// Copyright (C) 2011-2016 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 "pianotools.h"
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#include "preferences.h"
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#include "libmscore/chord.h"
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namespace Ms {
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static const qreal KEY_WIDTH = 13.0;
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static const qreal BKEY_WIDTH = 8.0;
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static const qreal KEY_HEIGHT = 40.0;
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static const qreal BKEY_HEIGHT = 25.0;
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//---------------------------------------------------------
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// HPiano
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//---------------------------------------------------------
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HPiano::HPiano(QWidget* parent)
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: QGraphicsView(parent)
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{
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scaleVal = 1.0;
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setLineWidth(0);
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setMidLineWidth(0);
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setScene(new QGraphicsScene);
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setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
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setResizeAnchor(QGraphicsView::AnchorUnderMouse);
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setMouseTracking(true);
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setRubberBandSelectionMode(Qt::IntersectsItemBoundingRect);
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setDragMode(QGraphicsView::RubberBandDrag);
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setScale(2.5);
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grabGesture(Qt::PinchGesture); // laptop pad (Mac) and touchscreen
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scene()->setSceneRect(0.0, 0.0, KEY_WIDTH * 52, KEY_HEIGHT);
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QSizePolicy policy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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setSizePolicy(policy);
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int margin = 16;
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, 1000));
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_firstKey = 21;
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_lastKey = 108; // 88 key piano
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qreal x = 0.0;
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for (int i = _firstKey; i <= _lastKey; ++i) {
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PianoKeyItem* k = new PianoKeyItem(this, i);
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switch(i % 12) {
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case 0:
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case 5:
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k->setType(i == _lastKey ? 6 : 0);
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k->setPos(x, 0);
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x += KEY_WIDTH;
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break;
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case 2:
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k->setType(1);
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k->setPos(x, 0);
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x += KEY_WIDTH;
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break;
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case 4:
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case 11:
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k->setType(2);
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k->setPos(x, 0);
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x += KEY_WIDTH;
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break;
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case 7:
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k->setType(3);
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k->setPos(x, 0);
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x += KEY_WIDTH;
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break;
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case 9:
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k->setType(i == _firstKey ? 5 : 4);
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k->setPos(x, 0);
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x += KEY_WIDTH;
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break;
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case 1:
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case 6:
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k->setType(7);
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k->setPos(x - BKEY_WIDTH * 5/9, 0);
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break;
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case 3:
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case 10:
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k->setType(7);
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k->setPos(x - BKEY_WIDTH * 4/9, 0);
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break;
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case 8:
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k->setType(7);
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k->setPos(x - BKEY_WIDTH / 2.0, 0);
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break;
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}
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keys.append(k);
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scene()->addItem(k);
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}
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}
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//---------------------------------------------------------
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// setScale
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//---------------------------------------------------------
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void HPiano::setScale(qreal s)
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{
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if (s > 16.0)
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s = 16.0;
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else if (s < .5)
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s = .5;
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if (s != scaleVal) {
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scaleVal = s;
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int margin = 16;
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QDockWidget* par = static_cast<QDockWidget*>(parent());
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if (par) {
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if (!par->isFloating())
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, 1000));
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else
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, (KEY_HEIGHT + margin) * scaleVal));
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}
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else
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, (KEY_HEIGHT + margin) * scaleVal));
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setMinimumSize(QSize(100 * scaleVal, (KEY_HEIGHT + margin) * scaleVal));
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QTransform t;
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t.scale(scaleVal, scaleVal);
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setTransform(t, false);
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}
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}
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//---------------------------------------------------------
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// sizeHint
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//---------------------------------------------------------
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QSize HPiano::sizeHint() const
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{
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return QSize(KEY_WIDTH * 52 + 1, KEY_HEIGHT+1);
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}
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//---------------------------------------------------------
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// pressKeys
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//---------------------------------------------------------
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void HPiano::setPressedPitches(QSet<int> pitches)
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{
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_pressedPitches = pitches;
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updateAllKeys();
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}
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//---------------------------------------------------------
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// pressPitch
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//---------------------------------------------------------
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void HPiano::pressPitch(int pitch)
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{
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_pressedPitches.insert(pitch);
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updateAllKeys();
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}
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//---------------------------------------------------------
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// releasePitch
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//---------------------------------------------------------
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void HPiano::releasePitch(int pitch)
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{
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_pressedPitches.remove(pitch);
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updateAllKeys();
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}
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//---------------------------------------------------------
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// changeSelection
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//---------------------------------------------------------
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void HPiano::changeSelection(const Selection& selection)
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{
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for (PianoKeyItem* key : keys) {
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key->setHighlighted(false);
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key->setSelected(false);
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}
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for (Note* n : selection.noteList()) {
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if (n->epitch() >= _firstKey && n->epitch() <= _lastKey)
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keys[n->epitch() - _firstKey]->setSelected(true);
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for (Note* other : n->chord()->notes())
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if (other->epitch() >= _firstKey && other->epitch() <= _lastKey)
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keys[other->epitch() - _firstKey]->setHighlighted(true);
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}
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for (PianoKeyItem* key : keys)
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key->update();
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}
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// used when currentScore() is NULL; same as above except the for loop
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void HPiano::clearSelection()
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{
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for (PianoKeyItem* key : keys) {
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key->setHighlighted(false);
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key->setSelected(false);
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key->update();
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}
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}
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//---------------------------------------------------------
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// updateAllKeys
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//---------------------------------------------------------
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void HPiano::updateAllKeys()
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{
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for (PianoKeyItem* key : keys) {
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key->setPressed(_pressedPitches.contains(key->pitch()));
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key->update();
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}
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}
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void HPiano::setMaximum(bool top_level) {
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int margin = 16;
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if (!top_level)
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, 1000));
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else
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setMaximumSize(QSize((KEY_WIDTH * 52 + margin/2) * scaleVal, (KEY_HEIGHT + margin) * scaleVal));
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updateAllKeys();
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}
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//---------------------------------------------------------
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// PianoKeyItem
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//---------------------------------------------------------
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PianoKeyItem::PianoKeyItem(HPiano* _piano, int p)
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: QGraphicsPathItem()
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{
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piano = _piano;
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_pitch = p;
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_pressed = false;
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_selected = false;
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_highlighted = false;
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type = -1;
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QString pitchNames[] = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
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QString text = pitchNames[_pitch % 12] + QString::number((_pitch / 12) - 1);
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setToolTip(text);
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}
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//---------------------------------------------------------
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// setType
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//---------------------------------------------------------
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void PianoKeyItem::setType(int val)
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{
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type = val;
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QPainterPath path;
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qreal triangle = 1.0;
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qreal htriangle = triangle/2;
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switch(type) {
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case 0:
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path.moveTo(0,0);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 5/9, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 5/9, 0);
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break;
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case 1:
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path.moveTo(BKEY_WIDTH * 4/9, 0);
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path.lineTo(BKEY_WIDTH * 4/9, BKEY_HEIGHT);
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path.lineTo(0, BKEY_HEIGHT);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, 0);
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break;
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case 2:
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path.moveTo(BKEY_WIDTH * 5/9, 0);
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path.lineTo(BKEY_WIDTH * 5/9, BKEY_HEIGHT);
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path.lineTo(0, BKEY_HEIGHT);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH, 0);
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break;
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case 3:
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path.moveTo(BKEY_WIDTH * 4/9, 0);
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path.lineTo(BKEY_WIDTH * 4/9, BKEY_HEIGHT);
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path.lineTo(0, BKEY_HEIGHT);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 5/9, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 5/9, 0);
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break;
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case 4:
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path.moveTo(BKEY_WIDTH * 5/9, 0);
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path.lineTo(BKEY_WIDTH * 5/9, BKEY_HEIGHT);
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path.lineTo(0, BKEY_HEIGHT);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, 0);
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break;
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case 5:
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path.moveTo(0,0);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, BKEY_HEIGHT);
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path.lineTo(KEY_WIDTH - BKEY_WIDTH * 4/9, 0);
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break;
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case 6:
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path.moveTo(0,0);
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path.lineTo(0, KEY_HEIGHT-triangle);
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path.lineTo(triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH-triangle, KEY_HEIGHT);
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path.lineTo(KEY_WIDTH, KEY_HEIGHT-triangle);
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path.lineTo(KEY_WIDTH, 0);
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break;
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case 7:
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path.moveTo(0,0);
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path.lineTo(0, BKEY_HEIGHT-htriangle);
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path.lineTo(htriangle, BKEY_HEIGHT);
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path.lineTo(BKEY_WIDTH-htriangle, BKEY_HEIGHT);
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path.lineTo(BKEY_WIDTH, BKEY_HEIGHT-htriangle);
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path.lineTo(BKEY_WIDTH, 0);
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break;
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default:
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break;
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}
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path.closeSubpath();
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setPath(path);
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}
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//---------------------------------------------------------
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// mousePressEvent
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//---------------------------------------------------------
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void PianoKeyItem::mousePressEvent(QGraphicsSceneMouseEvent*)
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{
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_pressed = true;
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update();
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bool chord = qApp->keyboardModifiers() & Qt::ShiftModifier;
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emit piano->keyPressed(_pitch, chord, 80);
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}
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//---------------------------------------------------------
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// mouseReleaseEvent
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//---------------------------------------------------------
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void PianoKeyItem::mouseReleaseEvent(QGraphicsSceneMouseEvent*)
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{
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_pressed = false;
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update();
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emit piano->keyReleased(_pitch, false, 0);
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}
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//---------------------------------------------------------
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// paint
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//---------------------------------------------------------
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void PianoKeyItem::paint(QPainter* p, const QStyleOptionGraphicsItem* /*o*/, QWidget*)
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{
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p->setRenderHint(QPainter::Antialiasing, true);
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p->setPen(QPen(Qt::black, .8));
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if (_pressed) {
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QColor c(preferences.getColor(PREF_UI_PIANO_HIGHLIGHTCOLOR));
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c.setAlpha(180);
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p->setBrush(c);
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}
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else if (_selected) {
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QColor c(preferences.getColor(PREF_UI_PIANO_HIGHLIGHTCOLOR));
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c.setAlpha(100);
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p->setBrush(c);
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}
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else if (_highlighted)
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p->setBrush(type >= 7 ? QColor(125, 125, 125) : QColor(200, 200, 200));
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else
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p->setBrush(type >= 7 ? Qt::black : Qt::white);
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p->drawPath(path());
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if (_pitch % 12 == 0) {
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QFont f("FreeSerif", 6);
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p->setFont(f);
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QString text = "C" + QString::number((_pitch / 12) - 1);
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p->drawText(QRectF(KEY_WIDTH / 2, KEY_HEIGHT - 8, 0, 0),
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Qt::AlignCenter | Qt::TextDontClip, text);
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}
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}
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//---------------------------------------------------------
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// PianoTools
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//---------------------------------------------------------
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PianoTools::PianoTools(QWidget* parent)
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: QDockWidget(parent)
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{
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setObjectName("piano");
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setAllowedAreas(Qt::DockWidgetAreas(Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea));
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_piano = new HPiano;
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_piano->setFocusPolicy(Qt::ClickFocus);
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setWidget(_piano);
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QSizePolicy policy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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setSizePolicy(policy);
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connect(_piano, SIGNAL(keyPressed(int, bool, int)), SIGNAL(keyPressed(int, bool, int)));
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connect(_piano, SIGNAL(keyReleased(int, bool, int)), SIGNAL(keyReleased(int, bool, int)));
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connect(this, SIGNAL(topLevelChanged(bool)), _piano, SLOT(setMaximum(bool)));
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retranslate();
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}
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//---------------------------------------------------------
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// retranslate
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//---------------------------------------------------------
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void PianoTools::retranslate()
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{
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setWindowTitle(tr("Piano Keyboard"));
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}
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//---------------------------------------------------------
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// heartBeat
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//---------------------------------------------------------
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void PianoTools::heartBeat(QList<const Ms::Note *> notes)
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{
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QSet<int> pitches;
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for (const Note* note : notes) {
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pitches.insert(note->ppitch());
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}
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_piano->setPressedPitches(pitches);
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}
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//---------------------------------------------------------
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// changeEvent
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//---------------------------------------------------------
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void PianoTools::changeEvent(QEvent *event)
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{
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QDockWidget::changeEvent(event);
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if (event->type() == QEvent::LanguageChange)
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retranslate();
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}
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//---------------------------------------------------------
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// wheelEvent
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//---------------------------------------------------------
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void HPiano::wheelEvent(QWheelEvent* event)
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{
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static int deltaSum = 0;
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deltaSum += event->delta();
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int step = deltaSum / 120;
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deltaSum %= 120;
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qreal mag = scaleVal;
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if (event->modifiers() & Qt::ControlModifier) {
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if (step > 0) {
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for (int i = 0; i < step; ++i)
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mag *= 1.1;
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}
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else {
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for (int i = 0; i < -step; ++i)
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mag /= 1.1;
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}
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setScale(mag);
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}
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}
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//---------------------------------------------------------
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// gestureEvent
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// fired on touchscreen gestures as well as Mac touchpad gestures
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//---------------------------------------------------------
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bool HPiano::event(QEvent* event)
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{
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if (event->type() == QEvent::Gesture) {
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return gestureEvent(static_cast<QGestureEvent*>(event));
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}
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return QGraphicsView::event(event);
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}
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//---------------------------------------------------------
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// gestureEvent
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// fired on touchscreen gestures as well as Mac touchpad gestures
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//---------------------------------------------------------
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bool HPiano::gestureEvent(QGestureEvent *event)
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{
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if (QGesture *gesture = event->gesture(Qt::PinchGesture)) {
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// Zoom in/out when receiving a pinch gesture
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QPinchGesture *pinch = static_cast<QPinchGesture *>(gesture);
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static qreal magStart = 1.0;
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if (pinch->state() == Qt::GestureStarted) {
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magStart = scaleVal;
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}
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if (pinch->changeFlags() & QPinchGesture::ScaleFactorChanged) {
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// On Windows, totalScaleFactor() contains the net magnification.
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// On OS X, totalScaleFactor() is 1, and scaleFactor() contains the net magnification.
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qreal value = pinch->totalScaleFactor();
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if (value == 1) {
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value = pinch->scaleFactor();
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|
}
|
|
// Qt 5.4 doesn't report pinch->centerPoint() correctly
|
|
setScale(magStart*value);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// changeSelection
|
|
//---------------------------------------------------------
|
|
|
|
void PianoTools::changeSelection(const Selection& selection)
|
|
{
|
|
_piano->changeSelection(selection);
|
|
}
|
|
|
|
void PianoTools::clearSelection()
|
|
{
|
|
_piano->clearSelection();
|
|
}
|
|
}
|