cadence/c++/xycontroller/xycontroller.cpp

997 lines
29 KiB
C++

/*
* Simple JACK Audio Meter
* Copyright (C) 2011-2012 Filipe Coelho <falktx@falktx.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* 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.
*
* For a full copy of the GNU General Public License see the COPYING file
*/
#include <QtCore/Qt>
#ifndef Q_COMPILER_LAMBDA
# define nullptr (0)
#endif
#define VERSION "1.9.4"
#include "../jack_utils.hpp"
#include "../midi_queue.hpp"
#include "ui_xycontroller.h"
#include <QtCore/QSettings>
#include <QtCore/QTimer>
#include <QtGui/QKeyEvent>
#include <QtWidgets/QApplication>
#include <QtWidgets/QGraphicsItem>
#include <QtWidgets/QGraphicsScene>
#include <QtWidgets/QGraphicsSceneEvent>
#include <QtWidgets/QMainWindow>
#include <QtWidgets/QMessageBox>
// -------------------------------
float abs_f(const float value)
{
return (value < 1.0f) ? -value : value;
}
jack_client_t* jClient = nullptr;
jack_port_t* jMidiInPort = nullptr;
jack_port_t* jMidiOutPort = nullptr;
static Queue qMidiInData;
static Queue qMidiOutData;
QVector<QString> MIDI_CC_LIST;
void MIDI_CC_LIST__init()
{
//MIDI_CC_LIST << "0x00 Bank Select";
MIDI_CC_LIST << "0x01 Modulation";
MIDI_CC_LIST << "0x02 Breath";
MIDI_CC_LIST << "0x03 (Undefined)";
MIDI_CC_LIST << "0x04 Foot";
MIDI_CC_LIST << "0x05 Portamento";
//MIDI_CC_LIST << "0x06 (Data Entry MSB)";
MIDI_CC_LIST << "0x07 Volume";
MIDI_CC_LIST << "0x08 Balance";
MIDI_CC_LIST << "0x09 (Undefined)";
MIDI_CC_LIST << "0x0A Pan";
MIDI_CC_LIST << "0x0B Expression";
MIDI_CC_LIST << "0x0C FX Control 1";
MIDI_CC_LIST << "0x0D FX Control 2";
MIDI_CC_LIST << "0x0E (Undefined)";
MIDI_CC_LIST << "0x0F (Undefined)";
MIDI_CC_LIST << "0x10 General Purpose 1";
MIDI_CC_LIST << "0x11 General Purpose 2";
MIDI_CC_LIST << "0x12 General Purpose 3";
MIDI_CC_LIST << "0x13 General Purpose 4";
MIDI_CC_LIST << "0x14 (Undefined)";
MIDI_CC_LIST << "0x15 (Undefined)";
MIDI_CC_LIST << "0x16 (Undefined)";
MIDI_CC_LIST << "0x17 (Undefined)";
MIDI_CC_LIST << "0x18 (Undefined)";
MIDI_CC_LIST << "0x19 (Undefined)";
MIDI_CC_LIST << "0x1A (Undefined)";
MIDI_CC_LIST << "0x1B (Undefined)";
MIDI_CC_LIST << "0x1C (Undefined)";
MIDI_CC_LIST << "0x1D (Undefined)";
MIDI_CC_LIST << "0x1E (Undefined)";
MIDI_CC_LIST << "0x1F (Undefined)";
//MIDI_CC_LIST << "0x20 *Bank Select";
//MIDI_CC_LIST << "0x21 *Modulation";
//MIDI_CC_LIST << "0x22 *Breath";
//MIDI_CC_LIST << "0x23 *(Undefined)";
//MIDI_CC_LIST << "0x24 *Foot";
//MIDI_CC_LIST << "0x25 *Portamento";
//MIDI_CC_LIST << "0x26 *(Data Entry MSB)";
//MIDI_CC_LIST << "0x27 *Volume";
//MIDI_CC_LIST << "0x28 *Balance";
//MIDI_CC_LIST << "0x29 *(Undefined)";
//MIDI_CC_LIST << "0x2A *Pan";
//MIDI_CC_LIST << "0x2B *Expression";
//MIDI_CC_LIST << "0x2C *FX *Control 1";
//MIDI_CC_LIST << "0x2D *FX *Control 2";
//MIDI_CC_LIST << "0x2E *(Undefined)";
//MIDI_CC_LIST << "0x2F *(Undefined)";
//MIDI_CC_LIST << "0x30 *General Purpose 1";
//MIDI_CC_LIST << "0x31 *General Purpose 2";
//MIDI_CC_LIST << "0x32 *General Purpose 3";
//MIDI_CC_LIST << "0x33 *General Purpose 4";
//MIDI_CC_LIST << "0x34 *(Undefined)";
//MIDI_CC_LIST << "0x35 *(Undefined)";
//MIDI_CC_LIST << "0x36 *(Undefined)";
//MIDI_CC_LIST << "0x37 *(Undefined)";
//MIDI_CC_LIST << "0x38 *(Undefined)";
//MIDI_CC_LIST << "0x39 *(Undefined)";
//MIDI_CC_LIST << "0x3A *(Undefined)";
//MIDI_CC_LIST << "0x3B *(Undefined)";
//MIDI_CC_LIST << "0x3C *(Undefined)";
//MIDI_CC_LIST << "0x3D *(Undefined)";
//MIDI_CC_LIST << "0x3E *(Undefined)";
//MIDI_CC_LIST << "0x3F *(Undefined)";
//MIDI_CC_LIST << "0x40 Damper On/Off"; // <63 off, >64 on
//MIDI_CC_LIST << "0x41 Portamento On/Off"; // <63 off, >64 on
//MIDI_CC_LIST << "0x42 Sostenuto On/Off"; // <63 off, >64 on
//MIDI_CC_LIST << "0x43 Soft Pedal On/Off"; // <63 off, >64 on
//MIDI_CC_LIST << "0x44 Legato Footswitch"; // <63 Normal, >64 Legato
//MIDI_CC_LIST << "0x45 Hold 2"; // <63 off, >64 on
MIDI_CC_LIST << "0x46 Control 1 [Variation]";
MIDI_CC_LIST << "0x47 Control 2 [Timbre]";
MIDI_CC_LIST << "0x48 Control 3 [Release]";
MIDI_CC_LIST << "0x49 Control 4 [Attack]";
MIDI_CC_LIST << "0x4A Control 5 [Brightness]";
MIDI_CC_LIST << "0x4B Control 6 [Decay]";
MIDI_CC_LIST << "0x4C Control 7 [Vib Rate]";
MIDI_CC_LIST << "0x4D Control 8 [Vib Depth]";
MIDI_CC_LIST << "0x4E Control 9 [Vib Delay]";
MIDI_CC_LIST << "0x4F Control 10 [Undefined]";
MIDI_CC_LIST << "0x50 General Purpose 5";
MIDI_CC_LIST << "0x51 General Purpose 6";
MIDI_CC_LIST << "0x52 General Purpose 7";
MIDI_CC_LIST << "0x53 General Purpose 8";
MIDI_CC_LIST << "0x54 Portamento Control";
MIDI_CC_LIST << "0x5B FX 1 Depth [Reverb]";
MIDI_CC_LIST << "0x5C FX 2 Depth [Tremolo]";
MIDI_CC_LIST << "0x5D FX 3 Depth [Chorus]";
MIDI_CC_LIST << "0x5E FX 4 Depth [Detune]";
MIDI_CC_LIST << "0x5F FX 5 Depth [Phaser]";
}
// -------------------------------
// XY Controller Scene
class XYGraphicsScene : public QGraphicsScene
{
Q_OBJECT
public:
XYGraphicsScene(QWidget* parent)
: QGraphicsScene(parent),
m_parent(parent)
{
cc_x = 1;
cc_y = 2;
m_mouseLock = false;
m_smooth = false;
m_smooth_x = 0.0f;
m_smooth_y = 0.0f;
setBackgroundBrush(Qt::black);
QPen cursorPen(QColor(255, 255, 255), 2);
QColor cursorBrush(255, 255, 255, 50);
m_cursor = addEllipse(QRectF(-10, -10, 20, 20), cursorPen, cursorBrush);
QPen linePen(QColor(200, 200, 200, 100), 1, Qt::DashLine);
m_lineH = addLine(-9999, 0, 9999, 0, linePen);
m_lineV = addLine(0, -9999, 0, 9999, linePen);
p_size = QRectF(-100, -100, 100, 100);
}
void setControlX(int x)
{
cc_x = x;
}
void setControlY(int y)
{
cc_y = y;
}
void setChannels(QList<int> channels)
{
m_channels = channels;
}
void setPosX(float x, bool forward=true)
{
if (m_mouseLock)
return;
float posX = x * (p_size.x() + p_size.width());
m_cursor->setPos(posX, m_cursor->y());
m_lineV->setX(posX);
if (forward)
{
float value = posX / (p_size.x() + p_size.width());
sendMIDI(&value, nullptr);
}
else
m_smooth_x = posX;
}
void setPosY(float y, bool forward=true)
{
if (m_mouseLock)
return;
float posY = y * (p_size.y() + p_size.height());
m_cursor->setPos(m_cursor->x(), posY);
m_lineH->setY(posY);
if (forward)
{
float value = posY / (p_size.y() + p_size.height());
sendMIDI(nullptr, &value);
}
else
m_smooth_y = posY;
}
void setSmooth(bool smooth)
{
m_smooth = smooth;
}
void setSmoothValues(float x, float y)
{
m_smooth_x = x * (p_size.x() + p_size.width());
m_smooth_y = y * (p_size.y() + p_size.height());
}
void handleCC(int param, int value)
{
bool sendUpdate = false;
float xp, yp;
xp = yp = 0.0f;
if (param == cc_x)
{
sendUpdate = true;
xp = float(value)/63 - 1.0f;
yp = m_cursor->y() / (p_size.y() + p_size.height());
setPosX(xp, false);
}
if (param == cc_y)
{
sendUpdate = true;
xp = m_cursor->x() / (p_size.x() + p_size.width());
yp = float(value)/63 - 1.0f;
setPosY(yp, false);
}
if (xp < -1.0f)
xp = -1.0f;
else if (xp > 1.0f)
xp = 1.0f;
if (yp < -1.0f)
yp = -1.0f;
else if (yp > 1.0f)
yp = 1.0f;
if (sendUpdate)
emit cursorMoved(xp, yp);
}
void updateSize(QSize size)
{
p_size.setRect(-(float(size.width())/2), -(float(size.height())/2), size.width(), size.height());
}
void updateSmooth()
{
if (! m_smooth)
return;
if (m_cursor->x() == m_smooth_x && m_cursor->y() == m_smooth_y)
return;
if (abs_f(m_cursor->x() - m_smooth_x) <= 0.0005f)
m_smooth_x = m_cursor->x();
if (abs_f(m_cursor->y() - m_smooth_y) <= 0.0005f)
m_smooth_y = m_cursor->y();
if (m_cursor->x() == m_smooth_x && m_cursor->y() == m_smooth_y)
return;
float newX = float(m_smooth_x + m_cursor->x()*7) / 8;
float newY = float(m_smooth_y + m_cursor->y()*7) / 8;
QPointF pos(newX, newY);
m_cursor->setPos(pos);
m_lineH->setY(pos.y());
m_lineV->setX(pos.x());
float xp = pos.x() / (p_size.x() + p_size.width());
float yp = pos.y() / (p_size.y() + p_size.height());
sendMIDI(&xp, &yp);
emit cursorMoved(xp, yp);
}
protected:
void handleMousePos(QPointF pos)
{
if (! p_size.contains(pos))
{
if (pos.x() < p_size.x())
pos.setX(p_size.x());
else if (pos.x() > p_size.x() + p_size.width())
pos.setX(p_size.x() + p_size.width());
if (pos.y() < p_size.y())
pos.setY(p_size.y());
else if (pos.y() > p_size.y() + p_size.height())
pos.setY(p_size.y() + p_size.height());
}
m_smooth_x = pos.x();
m_smooth_y = pos.y();
if (! m_smooth)
{
m_cursor->setPos(pos);
m_lineH->setY(pos.y());
m_lineV->setX(pos.x());
float xp = pos.x() / (p_size.x() + p_size.width());
float yp = pos.y() / (p_size.y() + p_size.height());
sendMIDI(&xp, &yp);
emit cursorMoved(xp, yp);
}
}
void sendMIDI(float* xp=nullptr, float* yp=nullptr)
{
float rate = float(0xff) / 4;
if (xp != nullptr)
{
int value = *xp * rate + rate;
foreach (const int& channel, m_channels)
qMidiOutData.put(0xB0 + channel - 1, cc_x, value);
}
if (yp != nullptr)
{
int value = *yp * rate + rate;
foreach (const int& channel, m_channels)
qMidiOutData.put(0xB0 + channel - 1, cc_y, value);
}
}
void keyPressEvent(QKeyEvent* event)
{
event->accept();
}
void wheelEvent(QGraphicsSceneWheelEvent* event)
{
event->accept();
}
void mousePressEvent(QGraphicsSceneMouseEvent* event)
{
m_mouseLock = true;
handleMousePos(event->scenePos());
parent()->setCursor(Qt::CrossCursor);
QGraphicsScene::mousePressEvent(event);
}
void mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
handleMousePos(event->scenePos());
QGraphicsScene::mouseMoveEvent(event);
}
void mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
{
m_mouseLock = false;
parent()->setCursor(Qt::ArrowCursor);
QGraphicsScene::mouseReleaseEvent(event);
}
signals:
void cursorMoved(float, float);
private:
int cc_x;
int cc_y;
QList<int> m_channels;
bool m_mouseLock;
bool m_smooth;
float m_smooth_x;
float m_smooth_y;
QGraphicsEllipseItem* m_cursor;
QGraphicsLineItem* m_lineH;
QGraphicsLineItem* m_lineV;
QRectF p_size;
// fake parent
QWidget* const m_parent;
QWidget* parent() const
{
return m_parent;
}
};
// -------------------------------
// XY Controller Window
namespace Ui {
class XYControllerW;
}
class XYControllerW : public QMainWindow
{
Q_OBJECT
public:
XYControllerW()
: QMainWindow(nullptr),
settings("Cadence", "XY-Controller"),
scene(this),
ui(new Ui::XYControllerW)
{
ui->setupUi(this);
// -------------------------------------------------------------
// Internal stuff
cc_x = 1;
cc_y = 2;
// -------------------------------------------------------------
// Set-up GUI stuff
ui->dial_x->setPixmap(2);
ui->dial_y->setPixmap(2);
ui->dial_x->setLabel("X");
ui->dial_y->setLabel("Y");
ui->keyboard->setOctaves(10);
ui->graphicsView->setScene(&scene);
ui->graphicsView->setRenderHints(QPainter::Antialiasing);
foreach (const QString& MIDI_CC, MIDI_CC_LIST)
{
ui->cb_control_x->addItem(MIDI_CC);
ui->cb_control_y->addItem(MIDI_CC);
}
// -------------------------------------------------------------
// Load Settings
loadSettings();
// -------------------------------------------------------------
// Connect actions to functions
connect(ui->keyboard, SIGNAL(noteOn(int)), SLOT(slot_noteOn(int)));
connect(ui->keyboard, SIGNAL(noteOff(int)), SLOT(slot_noteOff(int)));
connect(ui->cb_smooth, SIGNAL(clicked(bool)), SLOT(slot_setSmooth(bool)));
connect(ui->dial_x, SIGNAL(valueChanged(int)), SLOT(slot_updateSceneX(int)));
connect(ui->dial_y, SIGNAL(valueChanged(int)), SLOT(slot_updateSceneY(int)));
connect(ui->cb_control_x, SIGNAL(currentIndexChanged(QString)), SLOT(slot_checkCC_X(QString)));
connect(ui->cb_control_y, SIGNAL(currentIndexChanged(QString)), SLOT(slot_checkCC_Y(QString)));
connect(&scene, SIGNAL(cursorMoved(float,float)), SLOT(slot_sceneCursorMoved(float,float)));
connect(ui->act_ch_01, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_02, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_03, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_04, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_05, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_06, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_07, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_08, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_09, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_10, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_11, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_12, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_13, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_14, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_15, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_16, SIGNAL(triggered(bool)), SLOT(slot_checkChannel(bool)));
connect(ui->act_ch_all, SIGNAL(triggered()), SLOT(slot_checkChannel_all()));
connect(ui->act_ch_none, SIGNAL(triggered()), SLOT(slot_checkChannel_none()));
connect(ui->act_show_keyboard, SIGNAL(triggered(bool)), SLOT(slot_showKeyboard(bool)));
connect(ui->act_about, SIGNAL(triggered()), SLOT(slot_about()));
// -------------------------------------------------------------
// Final stuff
m_midiInTimerId = startTimer(30);
QTimer::singleShot(0, this, SLOT(slot_updateScreen()));
}
void updateScreen()
{
scene.updateSize(ui->graphicsView->size());
ui->graphicsView->centerOn(0, 0);
int dial_x = ui->dial_x->value();
int dial_y = ui->dial_y->value();
slot_updateSceneX(dial_x);
slot_updateSceneY(dial_y);
scene.setSmoothValues(float(dial_x) / 100, float(dial_y) / 100);
}
protected slots:
void slot_noteOn(int note)
{
foreach (const int& channel, m_channels)
qMidiOutData.put(0x90 + channel - 1, note, 100);
}
void slot_noteOff(int note)
{
foreach (const int& channel, m_channels)
qMidiOutData.put(0x80 + channel - 1, note, 0);
}
void slot_updateSceneX(int x)
{
scene.setSmoothValues(float(x) / 100, float(ui->dial_y->value()) / 100);
scene.setPosX(float(x) / 100, bool(sender()));
}
void slot_updateSceneY(int y)
{
scene.setSmoothValues(float(ui->dial_x->value()) / 100, float(y) / 100);
scene.setPosY(float(y) / 100, bool(sender()));
}
void slot_checkCC_X(QString text)
{
if (text.isEmpty())
return;
bool ok;
int tmp_cc_x = text.split(" ").at(0).toInt(&ok, 16);
if (ok)
{
cc_x = tmp_cc_x;
scene.setControlX(cc_x);
}
}
void slot_checkCC_Y(QString text)
{
if (text.isEmpty())
return;
bool ok;
int tmp_cc_y = text.split(" ").at(0).toInt(&ok, 16);
if (ok)
{
cc_y = tmp_cc_y;
scene.setControlY(cc_y);
}
}
void slot_checkChannel(bool clicked)
{
if (! sender())
return;
bool ok;
int channel = ((QAction*)sender())->text().toInt(&ok);
if (ok)
{
if (clicked && ! m_channels.contains(channel))
m_channels.append(channel);
else if ((! clicked) && m_channels.contains(channel))
m_channels.removeOne(channel);
scene.setChannels(m_channels);
}
}
void slot_checkChannel_all()
{
ui->act_ch_01->setChecked(true);
ui->act_ch_02->setChecked(true);
ui->act_ch_03->setChecked(true);
ui->act_ch_04->setChecked(true);
ui->act_ch_05->setChecked(true);
ui->act_ch_06->setChecked(true);
ui->act_ch_07->setChecked(true);
ui->act_ch_08->setChecked(true);
ui->act_ch_09->setChecked(true);
ui->act_ch_10->setChecked(true);
ui->act_ch_11->setChecked(true);
ui->act_ch_12->setChecked(true);
ui->act_ch_13->setChecked(true);
ui->act_ch_14->setChecked(true);
ui->act_ch_15->setChecked(true);
ui->act_ch_16->setChecked(true);
#ifdef Q_COMPILER_INITIALIZER_LISTS
m_channels = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
#else
m_channels.clear();
for (int i=1; i <= 16; i++)
m_channels << i;
#endif
scene.setChannels(m_channels);
}
void slot_checkChannel_none()
{
ui->act_ch_01->setChecked(false);
ui->act_ch_02->setChecked(false);
ui->act_ch_03->setChecked(false);
ui->act_ch_04->setChecked(false);
ui->act_ch_05->setChecked(false);
ui->act_ch_06->setChecked(false);
ui->act_ch_07->setChecked(false);
ui->act_ch_08->setChecked(false);
ui->act_ch_09->setChecked(false);
ui->act_ch_10->setChecked(false);
ui->act_ch_11->setChecked(false);
ui->act_ch_12->setChecked(false);
ui->act_ch_13->setChecked(false);
ui->act_ch_14->setChecked(false);
ui->act_ch_15->setChecked(false);
ui->act_ch_16->setChecked(false);
m_channels.clear();
scene.setChannels(m_channels);
}
void slot_setSmooth(bool yesno)
{
scene.setSmooth(yesno);
}
void slot_sceneCursorMoved(float xp, float yp)
{
ui->dial_x->blockSignals(true);
ui->dial_y->blockSignals(true);
ui->dial_x->setValue(xp * 100);
ui->dial_y->setValue(yp * 100);
ui->dial_x->blockSignals(false);
ui->dial_y->blockSignals(false);
}
void slot_showKeyboard(bool yesno)
{
ui->scrollArea->setVisible(yesno);
QTimer::singleShot(0, this, SLOT(slot_updateScreen()));
}
void slot_about()
{
QMessageBox::about(this, tr("About XY Controller"), tr("<h3>XY Controller</h3>"
"<br>Version %1"
"<br>XY Controller is a simple XY widget that sends and receives data from Jack MIDI.<br>"
"<br>Copyright (C) 2012-2022 falkTX").arg(VERSION));
}
void slot_updateScreen()
{
updateScreen();
}
protected:
void saveSettings()
{
QVariantList varChannelList;
foreach (const int& channel, m_channels)
varChannelList << channel;
settings.setValue("Geometry", saveGeometry());
settings.setValue("ShowKeyboard", ui->scrollArea->isVisible());
settings.setValue("Smooth", ui->cb_smooth->isChecked());
settings.setValue("DialX", ui->dial_x->value());
settings.setValue("DialY", ui->dial_y->value());
settings.setValue("ControlX", cc_x);
settings.setValue("ControlY", cc_y);
settings.setValue("Channels", varChannelList);
}
void loadSettings()
{
restoreGeometry(settings.value("Geometry").toByteArray());
bool showKeyboard = settings.value("ShowKeyboard", false).toBool();
ui->act_show_keyboard->setChecked(showKeyboard);
ui->scrollArea->setVisible(showKeyboard);
bool smooth = settings.value("Smooth", false).toBool();
ui->cb_smooth->setChecked(smooth);
scene.setSmooth(smooth);
ui->dial_x->setValue(settings.value("DialX", 50).toInt());
ui->dial_y->setValue(settings.value("DialY", 50).toInt());
cc_x = settings.value("ControlX", 1).toInt();
cc_y = settings.value("ControlY", 2).toInt();
scene.setControlX(cc_x);
scene.setControlY(cc_y);
m_channels.clear();
if (settings.contains("Channels"))
{
QVariantList channels = settings.value("Channels").toList();
foreach (const QVariant& var, channels)
{
bool ok;
int channel = var.toInt(&ok);
if (ok)
m_channels.append(channel);
}
}
else
{
#ifdef Q_COMPILER_INITIALIZER_LISTS
m_channels = { 1 };
#else
m_channels << 1;
#endif
}
scene.setChannels(m_channels);
for (int i=0; i < MIDI_CC_LIST.size(); i++)
{
bool ok;
int cc = MIDI_CC_LIST[i].split(" ").at(0).toInt(&ok, 16);
if (ok)
{
if (cc_x == cc)
ui->cb_control_x->setCurrentIndex(i);
if (cc_y == cc)
ui->cb_control_y->setCurrentIndex(i);
}
}
if (m_channels.contains(1))
ui->act_ch_01->setChecked(true);
if (m_channels.contains(2))
ui->act_ch_02->setChecked(true);
if (m_channels.contains(3))
ui->act_ch_03->setChecked(true);
if (m_channels.contains(4))
ui->act_ch_04->setChecked(true);
if (m_channels.contains(5))
ui->act_ch_05->setChecked(true);
if (m_channels.contains(6))
ui->act_ch_06->setChecked(true);
if (m_channels.contains(7))
ui->act_ch_07->setChecked(true);
if (m_channels.contains(8))
ui->act_ch_08->setChecked(true);
if (m_channels.contains(9))
ui->act_ch_09->setChecked(true);
if (m_channels.contains(10))
ui->act_ch_10->setChecked(true);
if (m_channels.contains(11))
ui->act_ch_11->setChecked(true);
if (m_channels.contains(12))
ui->act_ch_12->setChecked(true);
if (m_channels.contains(13))
ui->act_ch_13->setChecked(true);
if (m_channels.contains(14))
ui->act_ch_14->setChecked(true);
if (m_channels.contains(15))
ui->act_ch_15->setChecked(true);
if (m_channels.contains(16))
ui->act_ch_16->setChecked(true);
}
void timerEvent(QTimerEvent* event)
{
if (event->timerId() == m_midiInTimerId)
{
if (! qMidiInData.isEmpty())
{
unsigned char d1, d2, d3;
qMidiInInternal.copyDataFrom(&qMidiInData);
while (qMidiInInternal.get(&d1, &d2, &d3, false))
{
int channel = (d1 & 0x0F) + 1;
int mode = d1 & 0xF0;
if (m_channels.contains(channel))
{
if (mode == 0x80)
ui->keyboard->sendNoteOff(d2, false);
else if (mode == 0x90)
ui->keyboard->sendNoteOn(d2, false);
else if (mode == 0xB0)
scene.handleCC(d2, d3);
}
}
}
scene.updateSmooth();
}
QMainWindow::timerEvent(event);
}
void resizeEvent(QResizeEvent* event)
{
updateScreen();
QMainWindow::resizeEvent(event);
}
void closeEvent(QCloseEvent* event)
{
saveSettings();
QMainWindow::closeEvent(event);
}
private:
int cc_x;
int cc_y;
QList<int> m_channels;
int m_midiInTimerId;
QSettings settings;
XYGraphicsScene scene;
Ui::XYControllerW* const ui;
Queue qMidiInInternal;
};
#include "xycontroller.moc"
// -------------------------------
int process_callback(const jack_nframes_t nframes, void*)
{
void* const midiInBuffer = jackbridge_port_get_buffer(jMidiInPort, nframes);
void* const midiOutBuffer = jackbridge_port_get_buffer(jMidiOutPort, nframes);
if (! (midiInBuffer && midiOutBuffer))
return 1;
// MIDI In
jack_midi_event_t midiEvent;
uint32_t midiEventCount = jackbridge_midi_get_event_count(midiInBuffer);
qMidiInData.lock();
for (uint32_t i=0; i < midiEventCount; i++)
{
if (! jackbridge_midi_event_get(&midiEvent, midiInBuffer, i))
break;
if (midiEvent.size == 1)
qMidiInData.put(midiEvent.buffer[0], 0, 0, false);
else if (midiEvent.size == 2)
qMidiInData.put(midiEvent.buffer[0], midiEvent.buffer[1], 0, false);
else if (midiEvent.size >= 3)
qMidiInData.put(midiEvent.buffer[0], midiEvent.buffer[1], midiEvent.buffer[2], false);
if (qMidiInData.isFull())
break;
}
qMidiInData.unlock();
// MIDI Out
jackbridge_midi_clear_buffer(midiOutBuffer);
qMidiOutData.lock();
if (! qMidiOutData.isEmpty())
{
unsigned char d1, d2, d3, data[3];
while (qMidiOutData.get(&d1, &d2, &d3, false))
{
data[0] = d1;
data[1] = d2;
data[2] = d3;
jackbridge_midi_event_write(midiOutBuffer, 0, data, 3);
}
}
qMidiOutData.unlock();
return 0;
}
#ifdef HAVE_JACKSESSION
void session_callback(jack_session_event_t* const event, void* const arg)
{
#ifdef Q_OS_LINUX
QString filepath("cadence-xycontroller");
Q_UNUSED(arg);
#else
QString filepath((char*)arg);
#endif
event->command_line = strdup(filepath.toUtf8().constData());
jackbridge_session_reply(jClient, event);
if (event->type == JackSessionSaveAndQuit)
QApplication::instance()->quit();
jackbridge_session_event_free(event);
}
#endif
// -------------------------------
int main(int argc, char* argv[])
{
MIDI_CC_LIST__init();
#ifdef Q_OS_WIN
QApplication::setGraphicsSystem("raster");
#endif
QApplication app(argc, argv);
app.setApplicationName("XY-Controller");
app.setApplicationVersion(VERSION);
app.setOrganizationName("Cadence");
app.setWindowIcon(QIcon(":/scalable/cadence.svg"));
// JACK initialization
jack_status_t jStatus;
#ifdef HAVE_JACKSESSION
jack_options_t jOptions = static_cast<jack_options_t>(JackNoStartServer|JackSessionID);
#else
jack_options_t jOptions = static_cast<jack_options_t>(JackNoStartServer);
#endif
jClient = jackbridge_client_open("XY-Controller", jOptions, &jStatus);
if (! jClient)
{
std::string errorString(jackbridge_status_get_error_string(jStatus));
QMessageBox::critical(nullptr, app.translate("XY-Controller", "Error"), app.translate("XY-Controller",
"Could not connect to JACK, possible reasons:\n"
"%1").arg(QString::fromStdString(errorString)));
return 1;
}
jMidiInPort = jackbridge_port_register(jClient, "midi_in", JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0);
jMidiOutPort = jackbridge_port_register(jClient, "midi_out", JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0);
jackbridge_set_process_callback(jClient, process_callback, nullptr);
#ifdef HAVE_JACKSESSION
jackbridge_set_session_callback(jClient, session_callback, argv[0]);
#endif
jackbridge_activate(jClient);
// Show GUI
XYControllerW gui;
gui.show();
// App-Loop
int ret = app.exec();
jackbridge_deactivate(jClient);
jackbridge_client_close(jClient);
return ret;
}