void PianorollEditor::onTimeChanged(int val)
{
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() != 1)
return;
QGraphicsItem* item = items[0];
if (item->type() != PianoItemType)
return;
PianoItem* pi = static_cast<PianoItem*>(item);
Note* note = pi->note();
NoteEvent* event = pi->event();
if (event->ontime() == val)
return;
NoteEvent ne = *event;
ne.setOntime(val);
_score->startCmd();
_score->undo(new ChangeNoteEvent(note, event, ne));
_score->endCmd();
}
void PianorollEditor::updateSelection()
{
QList<QGraphicsItem*> items = gv->scene()->selectedItems();
if (items.size() == 1) {
PianoItem* item = static_cast<PianoItem*>(items[0]);
if (item->type() == PianoItemType) {
Note* note = item->note();
NoteEvent* event = item->event();
pitch->setEnabled(true);
pitch->setValue(note->pitch());
onTime->setValue(event->ontime());
tickLen->setValue(event->len());
updateVelocity(note);
}
}
bool b = items.size() != 0;
velocity->setEnabled(b);
pitch->setEnabled(b);
veloType->setEnabled(b);
onTime->setEnabled(b);
tickLen->setEnabled(b);
}