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Diffstat (limited to 'muse_qt4_evolution/muse/midirc.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/midirc.cpp | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/midirc.cpp b/muse_qt4_evolution/muse/midirc.cpp new file mode 100644 index 00000000..14b69d55 --- /dev/null +++ b/muse_qt4_evolution/muse/midirc.cpp @@ -0,0 +1,180 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2002-2006 by 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 "midirc.h" +#include "song.h" +#include "midi.h" + +MidiRCList midiRCList; + +//--------------------------------------------------------- +// isActive +//--------------------------------------------------------- + +bool MidiRCList::isActive(int action) + { + for (iMidiRC i = begin(); i != end(); ++i) { + if (i->action == action) + return true; + } + return false; + } + +//--------------------------------------------------------- +// setAction +//--------------------------------------------------------- + +void MidiRCList::setAction(const MidiEvent& e, int action) + { + // + // TODO: check for already used events + // + for (iMidiRC i = begin(); i != end(); ++i) { + if (i->action == action) { +// printf("replace action %d: ", action); +// i->event.dump(); + i->event = e; + return; + } + } + push_back(MidiRC(e, action)); +// printf("add action %d: ", action); + e.dump(); + } + +//--------------------------------------------------------- +// emitAction +//--------------------------------------------------------- + +void MidiRCList::emitAction(int action) const + { +// printf("emit action %d\n", action); + switch(action) { + case RC_STOP: + song->setStop(true); + break; + case RC_PLAY: + song->setPlay(true); + break; + case RC_RECORD: + song->setRecord(true); + break; + case RC_GOTO_LEFT_MARK: + song->setPos(0, song->lpos(), true, true, true); + break; + } + } + +//--------------------------------------------------------- +// doAction +// emit action associated with event e +// return true if action found +//--------------------------------------------------------- + +bool MidiRCList::doAction(const MidiEvent& e) + { +// printf("MidiRCList::doAction "); +// e.dump(); + for (iMidiRC i = begin(); i != end(); ++i) { + if ((i->event.type()& 0xf0) == (e.type() & 0xf0)) { + // + // for note on events only compare pitch, not velocity + // ignore note off events (note on with velicity zero + // + if ((e.type() == ME_NOTEON) + && i->event.dataA() == e.dataA() + && e.dataB() != 0) { + emitAction(i->action); + return true; + } + // + // compare controller and controller value + // TODO: maybe we need a special option to + // ignore the controller value + // + if ((e.type() == ME_CONTROLLER) + && i->event.dataA() == e.dataA() + && i->event.dataB() == e.dataB()) { + emitAction(i->action); + return true; + } + } + } + return false; + } + +//--------------------------------------------------------- +// read +//--------------------------------------------------------- + +void MidiRCList::read(QDomNode node) + { + int action = 0; + MidiEvent event; + for (node = node.firstChild(); !node.isNull(); node = node.nextSibling()) { + QDomElement e = node.toElement(); + if (e.isNull()) + continue; + if (e.tagName() == "action") { + action = e.attribute("id", "0").toInt(); + for (QDomNode n = node.firstChild(); !n.isNull(); n = n.nextSibling()) { + QDomElement e1 = node.toElement(); + if (e1.isNull()) + continue; + if (e1.tagName() == "noteOn") { + event.setType(ME_NOTEON); + event.setA(e1.attribute("pitch","0").toInt()); + } + else if (e1.tagName() == "controller") { + event.setType(ME_CONTROLLER); + event.setA(e1.attribute("no","0").toInt()); + event.setB(e1.attribute("val","0").toInt()); + } + else + printf("MusE:midiRC:action: unknown tag %s\n", e1.tagName().toLatin1().data()); + } + setAction(event, action); + } + else + printf("MusE:midiRC: unknown tag %s\n", e.tagName().toLatin1().data()); + } + } + +//--------------------------------------------------------- +// write +//--------------------------------------------------------- + +void MidiRCList::write(Xml& xml) + { + xml.stag("midiRC"); + for (iMidiRC i = begin(); i != end(); ++i) { + xml.stag(QString("action id=\"%1\"").arg(i->action)); + if (i->event.type() == ME_NOTEON) + xml.stag(QString("noteOn pitch=\"%1\"").arg(i->event.dataA())); + else if (i->event.type() == ME_CONTROLLER) + xml.stag(QString("controller no=\"%1\" val=\"%2\"") + .arg(i->event.dataA()).arg(i->event.dataB())); + else + printf("remote event type %d not supported\n", i->event.type()); + xml.etag("action"); + } + xml.etag("midiRC"); + } + |