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Code Pull Requests Releases Activity

Patch Change Audition

This commit is contained in:
Robin Gareus 2017-09-08 01:35:43 +02:00
parent 6376730093
commit a34764ec9f
2 changed files with 147 additions and 1 deletions
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135
gtk2_ardour/patch_change_widget.cc
View File

@ -21,8 +21,12 @@
#include <boost/algorithm/string.hpp>
#include "pbd/unwind.h"
#include "evoral/midi_events.h"
#include "evoral/PatchChange.hpp"
#include "midi++/midnam_patch.h"
#include "ardour/instrument_info.h"
#include "ardour/midi_track.h"
@ -45,6 +49,10 @@ PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
, _channel (-1)
, _ignore_spin_btn_signals (false)
, _info (r->instrument_info ())
, _audition_enable (_("Audition on Change"), ArdourWidgets::ArdourButton::led_default_elements)
, _audition_start_spin (*manage (new Adjustment (48, 0, 127, 1, 16)))
, _audition_end_spin (*manage (new Adjustment (60, 0, 127, 1, 16)))
, _audition_note_on (false)
{
assert (boost::dynamic_pointer_cast<MidiTrack> (r));
@ -66,6 +74,19 @@ PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
_program_table.set_spacings (1);
pack_start (_program_table, true, true);
box = manage (new HBox ());
box->set_spacing (4);
box->pack_start (_audition_enable, false, false);
box->pack_start (*manage (new Label (_("Start Note:"))), false, false);
box->pack_start (_audition_start_spin, false, false);
box->pack_start (*manage (new Label (_("End Note:"))), false, false);
box->pack_start (_audition_end_spin, false, false);
Box* box2 = manage (new HBox ());
box2->pack_start (*box, true, false);
box2->set_border_width (2);
pack_start (*box2, false, false);
for (uint8_t pgm = 0; pgm < 128; ++pgm) {
_program_btn[pgm].set_text_ellipsize (Pango::ELLIPSIZE_END);
_program_btn[pgm].set_layout_ellipsize_width (PANGO_SCALE * 112 * UIConfiguration::instance ().get_ui_scale ());
@ -82,6 +103,12 @@ PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
_channel_select.AddMenuElem (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::select_channel), chn)));
}
_audition_start_spin.set_sensitive (false);
_audition_end_spin.set_sensitive (false);
_audition_enable.signal_clicked.connect (sigc::mem_fun (*this, &PatchChangeWidget::audition_toggle));
_audition_start_spin.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::check_note_range), false));
_audition_end_spin.signal_changed().connect (sigc::bind (sigc::mem_fun (*this, &PatchChangeWidget::check_note_range), true));
_bank_msb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
_bank_lsb_spin.signal_changed().connect (sigc::mem_fun (*this, &PatchChangeWidget::select_bank_spin));
@ -94,12 +121,14 @@ PatchChangeWidget::PatchChangeWidget (boost::shared_ptr<ARDOUR::Route> r)
PatchChangeWidget::~PatchChangeWidget ()
{
cancel_audition ();
}
void
PatchChangeWidget::on_show ()
{
Gtk::VBox::on_show ();
cancel_audition ();
_channel = -1;
select_channel (0);
}
@ -109,18 +138,21 @@ PatchChangeWidget::on_hide ()
{
Gtk::VBox::on_hide ();
_ac_connections.drop_connections ();
cancel_audition ();
}
void
PatchChangeWidget::select_channel (uint8_t chn)
{
assert (_route);
assert (chn < 16);
if (_channel == chn) {
return;
}
cancel_audition ();
_channel_select.set_text (string_compose ("%1", (int)(chn + 1)));
_channel = chn;
@ -143,6 +175,7 @@ PatchChangeWidget::select_channel (uint8_t chn)
void
PatchChangeWidget::refill_banks ()
{
cancel_audition ();
using namespace Menu_Helpers;
_current_patch_bank.reset ();
@ -222,6 +255,8 @@ PatchChangeWidget::select_bank_spin ()
void
PatchChangeWidget::select_bank (uint32_t bank)
{
cancel_audition ();
boost::shared_ptr<AutomationControl> bank_msb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_MSB_BANK), true);
boost::shared_ptr<AutomationControl> bank_lsb = _route->automation_control(Evoral::Parameter (MidiCCAutomation, _channel, MIDI_CTL_LSB_BANK), true);
@ -232,8 +267,12 @@ PatchChangeWidget::select_bank (uint32_t bank)
void
PatchChangeWidget::select_program (uint8_t pgm)
{
cancel_audition ();
boost::shared_ptr<AutomationControl> program = _route->automation_control(Evoral::Parameter (MidiPgmChangeAutomation, _channel), true);
program->set_value (pgm, PBD::Controllable::NoGroup);
audition ();
}
/* ***** callbacks, external changes *****/
@ -260,6 +299,100 @@ PatchChangeWidget::instrument_info_changed ()
refill_banks ();
}
/* ***** play notes *****/
void
PatchChangeWidget::audition_toggle ()
{
_audition_enable.set_active (!_audition_enable.get_active ());
if (_audition_enable.get_active()) {
_audition_start_spin.set_sensitive (true);
_audition_end_spin.set_sensitive (true);
} else {
cancel_audition ();
_audition_start_spin.set_sensitive (false);
_audition_end_spin.set_sensitive (false);
}
}
void
PatchChangeWidget::check_note_range (bool upper)
{
int s = _audition_start_spin.get_value_as_int ();
int e = _audition_end_spin.get_value_as_int ();
if (s <= e) {
return;
}
if (upper) {
_audition_start_spin.set_value (e);
} else {
_audition_end_spin.set_value (s);
}
}
void
PatchChangeWidget::cancel_audition ()
{
_note_queue_connection.disconnect();
if (_audition_note_on) {
boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route);
uint8_t event[3];
event[0] = (MIDI_CMD_NOTE_OFF | _channel);
event[1] = _audition_note_num;
event[2] = 0;
mt->write_immediate_event(3, event);
}
_audition_note_on = false;
}
void
PatchChangeWidget::audition ()
{
if (!boost::dynamic_pointer_cast<MidiTrack> (_route)) {
return;
}
if (_channel > 16) {
return;
}
if (_note_queue_connection.connected ()) {
cancel_audition ();
}
if (!_audition_enable.get_active ()) {
return;
}
assert (!_audition_note_on);
_audition_note_num = _audition_start_spin.get_value_as_int ();
_note_queue_connection = Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (&PatchChangeWidget::audition_next), this), 250);
}
bool
PatchChangeWidget::audition_next ()
{
boost::shared_ptr<MidiTrack> mt = boost::dynamic_pointer_cast<MidiTrack> (_route);
uint8_t event[3];
if (_audition_note_on) {
event[0] = (MIDI_CMD_NOTE_OFF | _channel);
event[1] = _audition_note_num;
event[2] = 100;
mt->write_immediate_event(3, event);
_audition_note_on = false;
return ++_audition_note_num <= _audition_end_spin.get_value_as_int() && _audition_enable.get_active ();
} else {
event[0] = (MIDI_CMD_NOTE_ON | _channel);
event[1] = _audition_note_num;
event[2] = 100;
mt->write_immediate_event(3, event);
_audition_note_on = true;
return true;
}
}
/* ***** query info *****/

13
gtk2_ardour/patch_change_widget.h
View File

@ -77,6 +77,19 @@ private:
ARDOUR::InstrumentInfo& _info;
boost::shared_ptr<MIDI::Name::PatchBank> _current_patch_bank;
void audition_toggle ();
void check_note_range (bool);
void audition ();
void cancel_audition ();
bool audition_next ();
sigc::connection _note_queue_connection;
ArdourWidgets::ArdourButton _audition_enable;
Gtk::SpinButton _audition_start_spin; // Consider a click-box w/note-names
Gtk::SpinButton _audition_end_spin;
uint8_t _audition_note_num;
bool _audition_note_on;
};
class PatchChangeGridDialog : public ArdourDialog