overte/libraries/midi/src/Midi.h
2019-05-03 17:07:14 +12:00

232 lines
7.9 KiB
C++

//
// Midi.h
// libraries/midi/src
//
// Created by Burt Sloane
// Modified by Bruce Brown
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_Midi_h
#define hifi_Midi_h
#include <QtCore/QObject>
#include <QAbstractNativeEventFilter>
#include <DependencyManager.h>
#include <vector>
#include <string>
/**jsdoc
* The <code>Midi</code> API provides the ability to connect Interface with musical instruments and other external or virtual
* devices via the MIDI protocol. For further information and examples, see the tutorial:
* <a href="https://docs.highfidelity.com/en/rc81/script/midi-tutorial.html">Use MIDI to Control Your Environment</a>.</p>
*
* <p><strong>Note:</strong> Only works on Windows.</p>
*
* @namespace Midi
*
* @hifi-interface
* @hifi-client-entity
* @hifi-avatar
*/
class Midi : public QObject, public Dependency {
Q_OBJECT
SINGLETON_DEPENDENCY
public:
void midiReceived(int device, int raw, int channel, int status, int type, int note, int velocity, int bend, int program); // relay a note to Javascript
void midiHardwareChange(); // relay hardware change to Javascript
void sendRawMessage(int device, int raw); // relay midi message to MIDI outputs
void sendNote(int status, int note, int velocity); // relay a note to MIDI outputs
void sendMessage(int device, int channel, int type, int note, int velocity); // relay a message to MIDI outputs
static void USBchanged();
private:
static std::vector<QString> midiInExclude;
static std::vector<QString> midiOutExclude;
private:
void MidiSetup();
void MidiCleanup();
signals:
/**jsdoc
* Triggered when a connected device sends an output.
* @function Midi.midiNote
* @param {Midi.MidiMessage} message - The MIDI message.
* @returns {Signal}
* @deprecated This signal is deprecated and will be removed. Use {@link Midi.midiMessage|midiMessage} instead.
*/
void midiNote(QVariantMap eventData);
/**jsdoc
* Triggered when a connected device sends an output.
* @function Midi.midiMessage
* @param {Midi.MidiMessage} message - The MIDI message.
* @returns {Signal}
*/
void midiMessage(QVariantMap eventData);
/**jsdoc
* Triggered when the system detects there was a reset such as when a device is plugged in or unplugged.
* @function Midi.midiReset
* @returns {Signal}
*/
void midiReset();
public slots:
/**jsdoc
* Sends a raw MIDI packet to a particular device.
* @function Midi.sendRawDword
* @param {number} device - Integer device number.
* @param {Midi.RawMidiMessage} raw - Raw MIDI message.
*/
Q_INVOKABLE void sendRawDword(int device, int raw);
/**jsdoc
* Sends a MIDI message to a particular device.
* @function Midi.sendMidiMessage
* @param {number} device - Integer device number.
* @param {number} channel - Integer channel number.
* @param {Midi.MidiStatus} type - Integer status value.
* @param {number} note - Note number.
* @param {number} velocity - Note velocity. (<code>0</code> means "note off".)
* @comment The "type" parameter has that name to match up with {@link Midi.MidiMessage}.
*/
Q_INVOKABLE void sendMidiMessage(int device, int channel, int type, int note, int velocity);
/**jsdoc
* Plays a note on all connected devices.
* @function Midi.playMidiNote
* @param {MidiStatus} status - Note status.
* @param {number} note - Note number.
* @param {number} velocity - Note velocity. (<code>0</code> means "note off".)
*/
Q_INVOKABLE void playMidiNote(int status, int note, int velocity);
/**jsdoc
* Turns off all notes on all connected MIDI devices.
* @function Midi.allNotesOff
*/
Q_INVOKABLE void allNotesOff();
/**jsdoc
* Cleans up and rediscovers attached MIDI devices.
* @function Midi.resetDevices
*/
Q_INVOKABLE void resetDevices();
/**jsdoc
* Gets a list of MIDI input or output devices.
* @function Midi.listMidiDevices
* @param {boolean} output - <code>true</code> to list output devices, <code>false</code> to list input devices.
* @returns {string[]}
*/
Q_INVOKABLE QStringList listMidiDevices(bool output);
/**jsdoc
* Blocks a MIDI device's input or output.
* @function Midi.blockMidiDevice
* @param {string} name - The name of the MIDI device to block.
* @param {boolean} output - <code>true</code> to block the device's output, <code>false</code> to block its input.
*/
Q_INVOKABLE void blockMidiDevice(QString name, bool output);
/**jsdoc
* Unblocks a MIDI device's input or output.
* @function Midi.unblockMidiDevice
* @param {string} name- The name of the MIDI device to unblock.
* @param {boolean} output - <code>true</code> to unblock the device's output, <code>false</code> to unblock its input.
*/
Q_INVOKABLE void unblockMidiDevice(QString name, bool output);
/**jsdoc
* Enables or disables repeating all incoming notes to all outputs. (Default is disabled.)
* @function Midi.thruModeEnable
* @param {boolean} enable - <code>true</code> to enable repeating all incoming notes to all output, <code>false</code> to
* disable.
*/
Q_INVOKABLE void thruModeEnable(bool enable);
/**jsdoc
* Enables or disables broadcasts to all unblocked devices.
* @function Midi.broadcastEnable
* @param {boolean} enable - <code>true</code> to have "send" functions broadcast to all devices, <code>false</code> to
* have them send to specific output devices.
*/
Q_INVOKABLE void broadcastEnable(bool enable);
/// filter by event types
/**jsdoc
* Enables or disables note off events.
* @function Midi.typeNoteOffEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeNoteOffEnable(bool enable);
/**jsdoc
* Enables or disables note on events.
* @function Midi.typeNoteOnEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeNoteOnEnable(bool enable);
/**jsdoc
* Enables or disables poly key pressure events.
* @function Midi.typePolyKeyPressureEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typePolyKeyPressureEnable(bool enable);
/**jsdoc
* Enables or disables control change events.
* @function Midi.typeControlChangeEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeControlChangeEnable(bool enable);
/**jsdoc
* Enables or disables program change events.
* @function Midi.typeProgramChangeEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeProgramChangeEnable(bool enable);
/**jsdoc
* Enables or disables channel pressure events.
* @function Midi.typeChanPressureEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeChanPressureEnable(bool enable);
/**jsdoc
* Enables or disables pitch bend events.
* @function Midi.typePitchBendEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typePitchBendEnable(bool enable);
/**jsdoc
* Enables or disables system message events.
* @function Midi.typeSystemMessageEnable
* @param {boolean} enable - <code>true</code> to enable, <code>false</code> to disable.
*/
Q_INVOKABLE void typeSystemMessageEnable(bool enable);
public:
Midi();
virtual ~Midi();
};
#endif // hifi_Midi_h