500 lines
16 KiB
C++
500 lines
16 KiB
C++
//=============================================================================
|
|
// MusE Score
|
|
// Linux Music Score Editor
|
|
// $Id:$
|
|
//
|
|
// Copyright (C) 2010 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.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//=============================================================================
|
|
|
|
#include "drumview.h"
|
|
#include "libmscore/staff.h"
|
|
#include "piano.h"
|
|
#include "libmscore/measure.h"
|
|
#include "libmscore/chord.h"
|
|
#include "libmscore/score.h"
|
|
#include "libmscore/note.h"
|
|
#include "libmscore/slur.h"
|
|
#include "libmscore/segment.h"
|
|
|
|
namespace Ms {
|
|
|
|
static const int MAP_OFFSET = 480;
|
|
|
|
//---------------------------------------------------------
|
|
// pitch2y
|
|
//---------------------------------------------------------
|
|
|
|
static int pitch2y(int pitch)
|
|
{
|
|
static int tt[] = {
|
|
12, 19, 25, 32, 38, 51, 58, 64, 71, 77, 84, 90
|
|
};
|
|
int y = (75 * keyHeight) - (tt[pitch % 12] + (7 * keyHeight) * (pitch / 12));
|
|
if (y < 0)
|
|
y = 0;
|
|
return y;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// DrumItem
|
|
//---------------------------------------------------------
|
|
|
|
DrumItem::DrumItem(Note* n)
|
|
: QGraphicsPolygonItem(), note(n)
|
|
{
|
|
setFlags(flags() | QGraphicsItem::ItemIsSelectable);
|
|
int pitch = n->pitch();
|
|
QPolygonF p;
|
|
double h2 = keyHeight/2;
|
|
p << QPointF(0, -h2) << QPointF(h2, 0.0) << QPointF(0.0, h2) << QPointF(-h2, 0.0);
|
|
setPolygon(p);
|
|
setBrush(QBrush());
|
|
setSelected(n->selected());
|
|
setData(0, QVariant::fromValue<void*>(n));
|
|
|
|
setPos(n->chord()->tick() + 480, pitch2y(pitch) + keyHeight / 4);
|
|
setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// paint
|
|
//---------------------------------------------------------
|
|
|
|
void DrumItem::paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidget*)
|
|
{
|
|
// Chord* chord = note->chord();
|
|
int x1 = 0; // note->onTimeOffset() + note->onTimeUserOffset();
|
|
painter->setPen(pen());
|
|
painter->setBrush(isSelected() ? Qt::yellow : Qt::blue);
|
|
painter->drawPolygon(polygon().translated(x1, 0.0));
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pix2pos
|
|
//---------------------------------------------------------
|
|
|
|
Pos DrumView::pix2pos(int x) const
|
|
{
|
|
x -= MAP_OFFSET;
|
|
if (x < 0)
|
|
x = 0;
|
|
return Pos(staff->score()->tempomap(), staff->score()->sigmap(), x, _timeType);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pos2pix
|
|
//---------------------------------------------------------
|
|
|
|
int DrumView::pos2pix(const Pos& p) const
|
|
{
|
|
return p.time(_timeType) + MAP_OFFSET;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// drawBackground
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::drawBackground(QPainter* p, const QRectF& r)
|
|
{
|
|
if (staff == 0)
|
|
return;
|
|
Score* _score = staff->score();
|
|
|
|
QRectF r1;
|
|
r1.setCoords(-1000000.0, 0.0, 480.0, 1000000.0);
|
|
QRectF r2;
|
|
r2.setCoords(ticks + 480, 0.0, 1000000.0, 1000000.0);
|
|
QColor bg(0x71, 0x8d, 0xbe);
|
|
|
|
p->fillRect(r, bg);
|
|
if (r.intersects(r1))
|
|
p->fillRect(r.intersected(r1), bg.darker(150));
|
|
if (r.intersects(r2))
|
|
p->fillRect(r.intersected(r2), bg.darker(150));
|
|
|
|
//
|
|
// draw horizontal grid lines
|
|
//
|
|
qreal y1 = r.y();
|
|
qreal y2 = y1 + r.height();
|
|
qreal kh = 13.0;
|
|
qreal x1 = r.x();
|
|
qreal x2 = x1 + r.width();
|
|
|
|
int key = floor(y1 / 75);
|
|
qreal y = key * kh;
|
|
|
|
for (; key < 75; ++key, y += kh) {
|
|
if (y < y1)
|
|
continue;
|
|
if (y > y2)
|
|
break;
|
|
p->setPen(QPen((key % 7) == 5 ? Qt::lightGray : Qt::gray));
|
|
p->drawLine(QLineF(x1, y, x2, y));
|
|
}
|
|
|
|
//
|
|
// draw vertical grid lines
|
|
//
|
|
static const int mag[7] = {
|
|
1, 1, 2, 5, 10, 20, 50
|
|
};
|
|
|
|
Pos pos1 = pix2pos(x1);
|
|
Pos pos2 = pix2pos(x2);
|
|
|
|
//---------------------------------------------------
|
|
// draw raster
|
|
//---------------------------------------------------
|
|
|
|
int bar1, bar2, beat, tick;
|
|
pos1.mbt(&bar1, &beat, &tick);
|
|
pos2.mbt(&bar2, &beat, &tick);
|
|
|
|
int n = mag[magStep < 0 ? 0 : magStep];
|
|
|
|
bar1 = (bar1 / n) * n; // round down
|
|
if (bar1 && n >= 2)
|
|
bar1 -= 1;
|
|
bar2 = ((bar2 + n - 1) / n) * n; // round up
|
|
|
|
for (int bar = bar1; bar <= bar2;) {
|
|
Pos stick(_score->tempomap(), _score->sigmap(), bar, 0, 0);
|
|
if (magStep > 0) {
|
|
double x = double(pos2pix(stick));
|
|
if (x > 0) {
|
|
p->setPen(Qt::lightGray);
|
|
p->drawLine(x, y1, x, y2);
|
|
}
|
|
else {
|
|
p->setPen(Qt::black);
|
|
p->drawLine(x, y1, x, y1);
|
|
}
|
|
}
|
|
else {
|
|
int z = stick.timesig().timesig().numerator();
|
|
for (int beat = 0; beat < z; beat++) {
|
|
if (magStep == 0) {
|
|
Pos xx(_score->tempomap(), _score->sigmap(), bar, beat, 0);
|
|
int xp = pos2pix(xx);
|
|
if (xp < 0)
|
|
continue;
|
|
if (xp > 0) {
|
|
p->setPen(beat == 0 ? Qt::lightGray : Qt::gray);
|
|
p->drawLine(xp, y1, xp, y2);
|
|
}
|
|
else {
|
|
p->setPen(Qt::black);
|
|
p->drawLine(xp, y1, xp, y2);
|
|
}
|
|
}
|
|
else {
|
|
int k;
|
|
if (magStep == -1)
|
|
k = 2;
|
|
else if (magStep == -2)
|
|
k = 4;
|
|
else if (magStep == -3)
|
|
k = 8;
|
|
else if (magStep == -4)
|
|
k = 16;
|
|
else
|
|
k = 32;
|
|
|
|
int n = (MScore::division * 4) / stick.timesig().timesig().denominator();
|
|
for (int i = 0; i < k; ++i) {
|
|
Pos xx(_score->tempomap(), _score->sigmap(), bar, beat, (n * i)/ k);
|
|
int xp = pos2pix(xx);
|
|
if (xp < 0)
|
|
continue;
|
|
if (xp > 0) {
|
|
p->setPen(i == 0 && beat == 0 ? Qt::lightGray : Qt::gray);
|
|
p->drawLine(xp, y1, xp, y2);
|
|
}
|
|
else {
|
|
p->setPen(Qt::black);
|
|
p->drawLine(xp, y1, xp, y2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (bar == 0 && n >= 2)
|
|
bar += (n-1);
|
|
else
|
|
bar += n;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// DrumView
|
|
//---------------------------------------------------------
|
|
|
|
DrumView::DrumView()
|
|
: QGraphicsView()
|
|
{
|
|
setScene(new QGraphicsScene);
|
|
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
|
|
setResizeAnchor(QGraphicsView::AnchorUnderMouse);
|
|
setMouseTracking(true);
|
|
setRubberBandSelectionMode(Qt::IntersectsItemBoundingRect);
|
|
setDragMode(QGraphicsView::RubberBandDrag);
|
|
_timeType = TType::TICKS;
|
|
magStep = 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setStaff
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::setStaff(Staff* s, Pos* l)
|
|
{
|
|
static const QColor lcColors[3] = { Qt::red, Qt::blue, Qt::blue };
|
|
|
|
staff = s;
|
|
_locator = l;
|
|
pos.setContext(s->score()->tempomap(), s->score()->sigmap());
|
|
|
|
scene()->blockSignals(true);
|
|
|
|
scene()->clear();
|
|
for (int i = 0; i < 3; ++i) {
|
|
locatorLines[i] = new QGraphicsLineItem(QLineF(0.0, 0.0, 0.0, keyHeight * 75.0 * 5));
|
|
QPen pen(lcColors[i]);
|
|
pen.setWidth(2);
|
|
locatorLines[i]->setPen(pen);
|
|
locatorLines[i]->setZValue(1000+i); // set stacking order
|
|
locatorLines[i]->setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
|
|
scene()->addItem(locatorLines[i]);
|
|
}
|
|
|
|
int staffIdx = staff->idx();
|
|
int startTrack = staffIdx * VOICES;
|
|
int endTrack = startTrack + VOICES;
|
|
for (Segment* s = staff->score()->firstSegment(); s; s = s->next1()) {
|
|
for (int track = startTrack; track < endTrack; ++track) {
|
|
Element* e = s->element(track);
|
|
if (e == 0 || e->type() != ElementType::CHORD)
|
|
continue;
|
|
Chord* chord = static_cast<Chord*>(e);
|
|
foreach(Note* n, chord->notes()) {
|
|
if (n->tieBack())
|
|
continue;
|
|
scene()->addItem(new DrumItem(n));
|
|
}
|
|
}
|
|
}
|
|
scene()->blockSignals(false);
|
|
|
|
Measure* lm = staff->score()->lastMeasure();
|
|
ticks = lm->tick() + lm->ticks();
|
|
scene()->setSceneRect(0.0, 0.0, double(ticks + 960), keyHeight * 75);
|
|
|
|
for (int i = 0; i < 3; ++i)
|
|
moveLocator(i);
|
|
//
|
|
// move to something interesting
|
|
//
|
|
QList<QGraphicsItem*> items = scene()->selectedItems();
|
|
QRectF boundingRect;
|
|
foreach(QGraphicsItem* item, items) {
|
|
Note* note = static_cast<Note*>(item->data(0).value<void*>());
|
|
if (note)
|
|
boundingRect |= item->mapToScene(item->boundingRect()).boundingRect();
|
|
}
|
|
centerOn(boundingRect.center());
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// moveLocator
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::moveLocator(int i)
|
|
{
|
|
if (_locator[i].valid()) {
|
|
locatorLines[i]->setVisible(true);
|
|
qreal x = qreal(pos2pix(_locator[i]));
|
|
locatorLines[i]->setPos(QPointF(x, 0.0));
|
|
}
|
|
else
|
|
locatorLines[i]->setVisible(false);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// wheelEvent
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::wheelEvent(QWheelEvent* event)
|
|
{
|
|
int step = event->delta() / 120;
|
|
double xmag = transform().m11();
|
|
double ymag = transform().m22();
|
|
|
|
if (event->modifiers() == Qt::ControlModifier) {
|
|
if (step > 0) {
|
|
for (int i = 0; i < step; ++i) {
|
|
if (xmag > 10.0)
|
|
break;
|
|
scale(1.1, 1.0);
|
|
xmag *= 1.1;
|
|
}
|
|
}
|
|
else {
|
|
for (int i = 0; i < -step; ++i) {
|
|
if (xmag < 0.001)
|
|
break;
|
|
scale(.9, 1.0);
|
|
xmag *= .9;
|
|
}
|
|
}
|
|
emit magChanged(xmag, ymag);
|
|
|
|
int tpix = (480 * 4) * xmag;
|
|
magStep = -5;
|
|
if (tpix <= 4000)
|
|
magStep = -4;
|
|
if (tpix <= 2000)
|
|
magStep = -3;
|
|
if (tpix <= 1000)
|
|
magStep = -2;
|
|
if (tpix <= 500)
|
|
magStep = -1;
|
|
if (tpix <= 128)
|
|
magStep = 0;
|
|
if (tpix <= 64)
|
|
magStep = 1;
|
|
if (tpix <= 32)
|
|
magStep = 2;
|
|
if (tpix <= 16)
|
|
magStep = 3;
|
|
if (tpix <= 8)
|
|
magStep = 4;
|
|
if (tpix <= 4)
|
|
magStep = 5;
|
|
if (tpix <= 2)
|
|
magStep = 6;
|
|
|
|
//
|
|
// if xpos <= 0, then the scene is centered
|
|
// there is no scroll bar anymore sending
|
|
// change signals, so we have to do it here:
|
|
//
|
|
double xpos = -(mapFromScene(QPointF()).x());
|
|
if (xpos <= 0)
|
|
emit xposChanged(xpos);
|
|
}
|
|
else if (event->modifiers() == Qt::ShiftModifier) {
|
|
QWheelEvent we(event->pos(), event->delta(), event->buttons(), 0, Qt::Horizontal);
|
|
QGraphicsView::wheelEvent(&we);
|
|
}
|
|
else if (event->modifiers() == 0) {
|
|
QGraphicsView::wheelEvent(event);
|
|
}
|
|
else if (event->modifiers() == (Qt::ShiftModifier | Qt::ControlModifier)) {
|
|
if (step > 0) {
|
|
for (int i = 0; i < step; ++i) {
|
|
if (ymag > 3.0)
|
|
break;
|
|
scale(1.0, 1.1);
|
|
ymag *= 1.1;
|
|
}
|
|
}
|
|
else {
|
|
for (int i = 0; i < -step; ++i) {
|
|
if (ymag < 0.4)
|
|
break;
|
|
scale(1.0, .9);
|
|
ymag *= .9;
|
|
}
|
|
}
|
|
emit magChanged(xmag, ymag);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// y2pitch
|
|
//---------------------------------------------------------
|
|
|
|
int DrumView::y2pitch(int y) const
|
|
{
|
|
int pitch;
|
|
const int total = (10 * 7 + 5) * keyHeight; // 75 Ganztonschritte
|
|
y = total - y;
|
|
int oct = (y / (7 * keyHeight)) * 12;
|
|
static const char kt[] = {
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
1, 1, 1, 1, 1, 1, 1,
|
|
2, 2, 2, 2, 2, 2,
|
|
3, 3, 3, 3, 3, 3, 3,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
|
|
6, 6, 6, 6, 6, 6, 6,
|
|
7, 7, 7, 7, 7, 7,
|
|
8, 8, 8, 8, 8, 8, 8,
|
|
9, 9, 9, 9, 9, 9,
|
|
10, 10, 10, 10, 10, 10, 10,
|
|
11, 11, 11, 11, 11, 11, 11, 11, 11, 11
|
|
};
|
|
pitch = kt[y % 91] + oct;
|
|
if (pitch < 0 || pitch > 127)
|
|
pitch = -1;
|
|
return pitch;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// mouseMoveEvent
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::mouseMoveEvent(QMouseEvent* event)
|
|
{
|
|
QPointF p(mapToScene(event->pos()));
|
|
int pitch = y2pitch(int(p.y()));
|
|
emit pitchChanged(pitch);
|
|
int tick = int(p.x()) -480;
|
|
if (tick < 0) {
|
|
tick = 0;
|
|
pos.setTick(tick);
|
|
pos.setInvalid();
|
|
}
|
|
else
|
|
pos.setTick(tick);
|
|
emit posChanged(pos);
|
|
QGraphicsView::mouseMoveEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// leaveEvent
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::leaveEvent(QEvent* event)
|
|
{
|
|
emit pitchChanged(-1);
|
|
pos.setInvalid();
|
|
emit posChanged(pos);
|
|
QGraphicsView::leaveEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// ensureVisible
|
|
//---------------------------------------------------------
|
|
|
|
void DrumView::ensureVisible(int tick)
|
|
{
|
|
tick += MAP_OFFSET;
|
|
QPointF pt = mapToScene(0, height() / 2);
|
|
QGraphicsView::ensureVisible(qreal(tick), pt.y(), 240.0, 1.0);
|
|
}
|
|
}
|
|
|