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Virtual-keyboard: add a pitch-bender

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Robin Gareus 2019-10-20 18:29:23 +02:00
parent e63c2133e5
commit 9c00d6216a
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GPG key ID: A090BCE02CF57F04
2 changed files with 57 additions and 11 deletions
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54
gtk2_ardour/virtual_keyboard_window.cc
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@ -48,6 +48,7 @@ VirtualKeyboardWindow::VirtualKeyboardWindow ()
, _piano_key_velocity (*manage (new Adjustment (100, 1, 127, 1, 16)))
, _piano_min_velocity (*manage (new Adjustment (1 , 1, 127, 1, 16)))
, _piano_max_velocity (*manage (new Adjustment (127, 1, 127, 1, 16)))
, _pitch_adjustment (8192, 0, 16383, 1, 256)
{
_piano = (PianoKeyboard*)piano_keyboard_new();
_pianomm = Glib::wrap((GtkWidget*)_piano);
@ -68,8 +69,16 @@ VirtualKeyboardWindow::VirtualKeyboardWindow ()
_pgm_display.set_active (false);
_yaxis_velocity.set_active (false);
set_tooltip (_send_panic, "Send MIDI Panic message for current channel");
_pitchbend = boost::shared_ptr<VKBDControl> (new VKBDControl ("PB", 8192, 16383));
_pitch_slider = manage (new VSliderController(&_pitch_adjustment, _pitchbend, 0, PX_SCALE (15)));
_pitch_slider_tooltip = new Gtkmm2ext::PersistentTooltip (_pitch_slider);
_pitch_adjustment.signal_value_changed().connect (
sigc::mem_fun (*this, &VirtualKeyboardWindow::pitch_slider_adjusted));
_pitchbend->ValueChanged.connect_same_thread (_cc_connections,
boost::bind (&VirtualKeyboardWindow::pitch_bend_event_handler, this, _1));
set_tooltip (_send_panic, "Send MIDI Panic message for current channel");
_pitch_slider_tooltip->set_tip ("Pitchbend: 8192");
/* config */
HBox* cfg_box = manage (new HBox);
@ -107,13 +116,12 @@ VirtualKeyboardWindow::VirtualKeyboardWindow ()
tbl->attach (_piano_channel, 0, 1, 0, 1, SHRINK, SHRINK, 4, 0);
tbl->attach (*manage (new Label (_("Channel"))), 0, 1, 1, 2, SHRINK, SHRINK, 4, 0);
tbl->attach (*manage (new ArdourVSpacer), 1, 2, 0, 2, SHRINK, FILL, 4, 0);
// TODO: pitchbend
tbl->attach (*_pitch_slider, 2, 3, 0, 2, SHRINK, FILL, 4, 0);
const char* default_cc[VKBD_NCTRLS] = { "7", "8", "1", "11", "91", "92", "93", "94" };
for (int i = 0; i < VKBD_NCTRLS; ++i) {
_cc[i] = boost::shared_ptr<VKBDControl> (new VKBDControl ("CC7", 127));
_cc[i] = boost::shared_ptr<VKBDControl> (new VKBDControl ("CC"));
_cc_knob[i] = manage(new ArdourKnob (ArdourKnob::default_elements, ArdourKnob::Flags (0)));
_cc_knob[i]->set_controllable (_cc[i]);
_cc_knob[i]->set_size_request (PX_SCALE(21), PX_SCALE(21));
@ -130,8 +138,8 @@ VirtualKeyboardWindow::VirtualKeyboardWindow ()
}
_cc_key[i].set_text (default_cc[i]);
tbl->attach (*_cc_knob[i], i+2, i+3, 0, 1, SHRINK, SHRINK, 4, 2);
tbl->attach (_cc_key[i] , i+2, i+3, 1, 2, SHRINK, SHRINK, 4, 2);
tbl->attach (*_cc_knob[i], i+3, i+4, 0, 1, SHRINK, SHRINK, 4, 2);
tbl->attach (_cc_key[i] , i+3, i+4, 1, 2, SHRINK, SHRINK, 4, 2);
_cc[i]->ValueChanged.connect_same_thread (_cc_connections,
boost::bind (&VirtualKeyboardWindow::control_change_event_handler, this, i, _1));
@ -186,6 +194,7 @@ VirtualKeyboardWindow::VirtualKeyboardWindow ()
VirtualKeyboardWindow::~VirtualKeyboardWindow ()
{
delete _pianomm;
delete _pitch_slider_tooltip;
}
void
@ -329,6 +338,16 @@ VirtualKeyboardWindow::update_sensitivity ()
_piano_max_velocity.set_sensitive (c);
}
void
VirtualKeyboardWindow::pitch_slider_adjusted ()
{
_pitchbend->set_value (_pitch_adjustment.get_value (), PBD::Controllable::NoGroup);
char buf[64];
snprintf(buf, sizeof(buf), "Pitchbend: %.0f", _pitch_adjustment.get_value());
_pitch_slider_tooltip->set_tip (buf);
}
void
VirtualKeyboardWindow::note_on_event_handler (int note, int velocity)
{
@ -338,7 +357,7 @@ VirtualKeyboardWindow::note_on_event_handler (int note, int velocity)
}
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = (MIDI_CMD_NOTE_ON | channel);
ev[0] = MIDI_CMD_NOTE_ON | channel;
ev[1] = note;
ev[2] = velocity;
_session->vkbd_output_port()->write (ev, 3, 0);
@ -353,7 +372,7 @@ VirtualKeyboardWindow::note_off_event_handler (int note)
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = (MIDI_CMD_NOTE_OFF | channel);
ev[0] = MIDI_CMD_NOTE_OFF | channel;
ev[1] = note;
ev[2] = 0;
_session->vkbd_output_port()->write (ev, 3, 0);
@ -362,13 +381,30 @@ VirtualKeyboardWindow::note_off_event_handler (int note)
void
VirtualKeyboardWindow::control_change_event_handler (int key, int val)
{
if (!_session) {
return;
}
assert (key >= 0 && key < VKBD_NCTRLS);
int ctrl = PBD::atoi (_cc_key[key].get_text());
assert (ctrl > 0 && ctrl < 127);
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = (MIDI_CMD_CONTROL | channel);
ev[0] = MIDI_CMD_CONTROL | channel;
ev[1] = ctrl;
ev[2] = val;
_session->vkbd_output_port()->write (ev, 3, 0);
}
void
VirtualKeyboardWindow::pitch_bend_event_handler (int val)
{
if (!_session) {
return;
}
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = MIDI_CMD_BENDER | channel;
ev[1] = val & 0x7f;
ev[2] = (val >> 7) & 0x7f;
_session->vkbd_output_port()->write (ev, 3, 0);
}