MuseScore/mscore/drumroll.cpp
2012-08-04 15:46:43 +02:00

397 lines
14 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 "drumroll.h"
#include "config.h"
#include "drumroll.h"
#include "piano.h"
#include "ruler.h"
#include "drumview.h"
#include "libmscore/staff.h"
#include "libmscore/score.h"
#include "libmscore/measure.h"
#include "voiceselector.h"
#include "libmscore/note.h"
#include "awl/pitchlabel.h"
#include "awl/pitchedit.h"
#include "awl/poslabel.h"
#include "musescore.h"
#include "libmscore/undo.h"
#include "libmscore/part.h"
#include "libmscore/instrument.h"
#include "seq.h"
#include "preferences.h"
//---------------------------------------------------------
// DrumrollEditor
//---------------------------------------------------------
DrumrollEditor::DrumrollEditor(QWidget* parent)
: QMainWindow(parent)
{
setWindowTitle(QString("MuseScore"));
// setIconSize(QSize(preferences.iconWidth, preferences.iconHeight));
QWidget* mainWidget = new QWidget;
QGridLayout* layout = new QGridLayout;
mainWidget->setLayout(layout);
layout->setSpacing(0);
QToolBar* tb = addToolBar(tr("toolbar1"));
tb->addAction(getAction("undo"));
tb->addAction(getAction("redo"));
tb->addSeparator();
tb->addAction(getAction("sound-on"));
#ifdef HAS_MIDI
tb->addAction(getAction("midi-on"));
#endif
QAction* a = getAction("follow");
a->setCheckable(true);
a->setChecked(preferences.followSong);
tb->addAction(a);
tb->addSeparator();
tb->addAction(getAction("rewind"));
tb->addAction(getAction("play"));
tb->addSeparator();
//-------------
tb = addToolBar(tr("toolbar2"));
layout->addWidget(tb, 1, 0, 1, 2);
VoiceSelector* vs = new VoiceSelector;
tb->addWidget(vs);
tb->addSeparator();
tb->addWidget(new QLabel(tr("Cursor:")));
pos = new Awl::PosLabel;
tb->addWidget(pos);
Awl::PitchLabel* pl = new Awl::PitchLabel();
tb->addWidget(pl);
tb->addSeparator();
tb->addWidget(new QLabel(tr("Velocity:")));
veloType = new QComboBox;
veloType->addItem(tr("offset"), MScore::OFFSET_VAL);
veloType->addItem(tr("user"), MScore::USER_VAL);
tb->addWidget(veloType);
velocity = new QSpinBox;
velocity->setRange(-1, 127);
velocity->setSpecialValueText("--");
velocity->setReadOnly(true);
tb->addWidget(velocity);
tb->addWidget(new QLabel(tr("Pitch:")));
pitch = new Awl::PitchEdit;
pitch->setReadOnly(true);
tb->addWidget(pitch);
double xmag = .1;
gv = new DrumView;
gv->scale(xmag, 1.0);
layout->addWidget(gv, 3, 1);
ruler = new Ruler;
ruler->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
ruler->setFixedHeight(rulerHeight);
ruler->setMag(xmag, 1.0);
layout->addWidget(ruler, 2, 1);
Piano* piano = new Piano;
piano->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
piano->setFixedWidth(pianoWidth);
layout->addWidget(piano, 3, 0);
setCentralWidget(mainWidget);
connect(gv->verticalScrollBar(), SIGNAL(valueChanged(int)), piano, SLOT(setYpos(int)));
connect(gv->horizontalScrollBar(), SIGNAL(valueChanged(int)), ruler, SLOT(setXpos(int)));
connect(gv, SIGNAL(xposChanged(int)), ruler, SLOT(setXpos(int)));
connect(gv, SIGNAL(magChanged(double,double)), ruler, SLOT(setMag(double,double)));
connect(gv, SIGNAL(magChanged(double,double)), piano, SLOT(setMag(double,double)));
connect(gv, SIGNAL(pitchChanged(int)), pl, SLOT(setPitch(int)));
connect(gv, SIGNAL(pitchChanged(int)), piano, SLOT(setPitch(int)));
connect(piano, SIGNAL(pitchChanged(int)), pl, SLOT(setPitch(int)));
connect(gv, SIGNAL(posChanged(const Pos&)), pos, SLOT(setValue(const Pos&)));
connect(gv, SIGNAL(posChanged(const Pos&)), ruler, SLOT(setPos(const Pos&)));
connect(ruler, SIGNAL(posChanged(const Pos&)), pos, SLOT(setValue(const Pos&)));
connect(ruler, SIGNAL(locatorMoved(int)), SLOT(moveLocator(int)));
connect(veloType, SIGNAL(activated(int)), SLOT(veloTypeChanged(int)));
connect(velocity, SIGNAL(valueChanged(int)), SLOT(velocityChanged(int)));
connect(gv->scene(), SIGNAL(selectionChanged()), SLOT(selectionChanged()));
connect(piano, SIGNAL(keyPressed(int)), SLOT(keyPressed(int)));
connect(piano, SIGNAL(keyReleased(int)), SLOT(keyReleased(int)));
resize(800, 400);
QActionGroup* ag = new QActionGroup(this);
a = new QAction(this);
a->setData("delete");
a->setShortcut(Qt::Key_Delete);
ag->addAction(a);
addActions(ag->actions());
connect(ag, SIGNAL(triggered(QAction*)), SLOT(cmd(QAction*)));
}
//---------------------------------------------------------
// setStaff
//---------------------------------------------------------
void DrumrollEditor::setStaff(Staff* st)
{
staff = st;
_score = staff->score();
setWindowTitle(QString(tr("MuseScore: <%1> Staff: %2")).arg(_score->name()).arg(st->idx()));
TempoMap* tl = _score->tempomap();
TimeSigMap* sl = _score->sigmap();
for (int i = 0; i < 3; ++i)
locator[i].setContext(tl, sl);
locator[0].setTick(480 * 5 + 240); // some random test values
locator[1].setTick(480 * 3 + 240);
locator[2].setTick(480 * 12 + 240);
gv->setStaff(staff, locator);
ruler->setScore(_score, locator);
pos->setContext(tl, sl);
updateSelection();
}
//---------------------------------------------------------
// updateSelection
//---------------------------------------------------------
void DrumrollEditor::updateSelection()
{
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() == 1) {
QGraphicsItem* item = items[0];
Note* note = static_cast<Note*>(item->data(0).value<void*>());
pitch->setEnabled(true);
pitch->setValue(note->pitch());
veloType->setEnabled(true);
velocity->setEnabled(true);
updateVelocity(note);
}
else if (items.size() == 0) {
velocity->setValue(0);
velocity->setEnabled(false);
pitch->setValue(0);
pitch->setEnabled(false);
veloType->setEnabled(false);
veloType->setCurrentIndex(int(MScore::OFFSET_VAL));
}
else {
velocity->setEnabled(true);
velocity->setValue(0);
velocity->setReadOnly(false);
pitch->setEnabled(true);
pitch->setDeltaMode(true);
pitch->setValue(0);
veloType->setEnabled(true);
veloType->setCurrentIndex(int(MScore::OFFSET_VAL));
}
}
//---------------------------------------------------------
// selectionChanged
//---------------------------------------------------------
void DrumrollEditor::selectionChanged()
{
updateSelection();
// _score->blockSignals(true);
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() == 1) {
QGraphicsItem* item = items[0];
Note* note = static_cast<Note*>(item->data(0).value<void*>());
if (note)
_score->select(note, SELECT_SINGLE, 0);
}
else if (items.size() == 0) {
_score->select(0, SELECT_SINGLE, 0);
}
else {
_score->select(0, SELECT_SINGLE, 0);
foreach(QGraphicsItem* item, items) {
Note* note = static_cast<Note*>(item->data(0).value<void*>());
if (note)
_score->select(note, SELECT_ADD, 0);
}
}
_score->setUpdateAll();
_score->end();
// _score->blockSignals(false);
}
//---------------------------------------------------------
// changeSelection
//---------------------------------------------------------
void DrumrollEditor::changeSelection(int)
{
// gv->scene()->blockSignals(true);
gv->scene()->clearSelection();
QList<QGraphicsItem*> il = gv->scene()->items();
foreach(QGraphicsItem* item, il) {
Note* note = static_cast<Note*>(item->data(0).value<void*>());
if (note)
item->setSelected(note->selected());
}
// gv->scene()->blockSignals(false);
}
//---------------------------------------------------------
// veloTypeChanged
//---------------------------------------------------------
void DrumrollEditor::veloTypeChanged(int val)
{
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() != 1)
return;
QGraphicsItem* item = items[0];
Note* note = (Note*)item->data(0).value<void*>();
if ((note == 0) || (MScore::ValueType(val) == note->veloType()))
return;
_score->undo()->beginMacro();
_score->undo(new ChangeVelocity(note, MScore::ValueType(val), note->veloOffset()));
_score->undo()->endMacro(_score->undo()->current()->childCount() == 0);
updateVelocity(note);
}
//---------------------------------------------------------
// updateVelocity
//---------------------------------------------------------
void DrumrollEditor::updateVelocity(Note* note)
{
MScore::ValueType vt = note->veloType();
if (vt != MScore::ValueType(veloType->currentIndex())) {
veloType->setCurrentIndex(int(vt));
switch(vt) {
case MScore::USER_VAL:
velocity->setReadOnly(false);
velocity->setSuffix("");
velocity->setRange(0, 127);
break;
case MScore::OFFSET_VAL:
velocity->setReadOnly(false);
velocity->setSuffix("%");
velocity->setRange(-200, 200);
break;
}
}
velocity->setValue(note->veloOffset());
}
//---------------------------------------------------------
// velocityChanged
//---------------------------------------------------------
void DrumrollEditor::velocityChanged(int val)
{
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() != 1)
return;
QGraphicsItem* item = items[0];
Note* note = (Note*)item->data(0).value<void*>();
if (note == 0)
return;
MScore::ValueType vt = note->veloType();
if (vt == MScore::OFFSET_VAL)
return;
_score->undo()->beginMacro();
_score->undo(new ChangeVelocity(note, vt, val));
_score->undo()->endMacro(_score->undo()->current()->childCount() == 0);
}
//---------------------------------------------------------
// keyPressed
//---------------------------------------------------------
void DrumrollEditor::keyPressed(int pitch)
{
seq->startNote(staff->part()->instr()->channel(0).channel, pitch, 80, 0, 0.0);
}
//---------------------------------------------------------
// keyReleased
//---------------------------------------------------------
void DrumrollEditor::keyReleased(int /*pitch*/)
{
seq->stopNotes();
}
//---------------------------------------------------------
// heartBeat
//---------------------------------------------------------
void DrumrollEditor::heartBeat(Seq* seq)
{
unsigned t = seq->getCurTick();
if (locator[0].tick() != t) {
locator[0].setTick(t);
gv->moveLocator(0);
ruler->update();
if (preferences.followSong)
gv->ensureVisible(t);
}
}
//---------------------------------------------------------
// moveLocator
//---------------------------------------------------------
void DrumrollEditor::moveLocator(int i)
{
if (locator[i].valid()) {
seq->seek(locator[i].tick());
gv->moveLocator(i);
}
}
//---------------------------------------------------------
// cmd
//---------------------------------------------------------
void DrumrollEditor::cmd(QAction* a)
{
score()->startCmd();
if (a->data() == "delete") {
QList<QGraphicsItem*> items = gv->items();
foreach(QGraphicsItem* item, items) {
Note* note = static_cast<Note*>(item->data(0).value<void*>());
if (note) {
score()->deleteItem(note);
}
}
}
gv->setStaff(staff, locator);
score()->endCmd();
}