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/*
* Copyright (C) 2019 Robin Gareus <robin@gareus.org>
*
* 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
* (at your option) 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.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gtkmm/box.h>
#include "ardour/async_midi_port.h"
#include "ardour_ui.h"
#include "virtual_keyboard_window.h"
#include "utils.h"
#include "pbd/i18n.h"
using namespace Glib;
using namespace Gtk;
VirtualKeyboardWindow::VirtualKeyboardWindow ()
: ArdourWindow (_("Virtual Keyboard"))
, _piano_velocity (*manage (new Adjustment (100, 1, 127, 1, 16)))
, _piano_channel (*manage (new Adjustment (0, 1, 16, 1, 1)))
{
_piano = (PianoKeyboard*)piano_keyboard_new();
_pianomm = Glib::wrap((GtkWidget*)_piano);
_pianomm->set_flags(Gtk::CAN_FOCUS);
_pianomm->add_events(Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
g_signal_connect (G_OBJECT (_piano), "note-on", G_CALLBACK (VirtualKeyboardWindow::_note_on_event_handler), this);
g_signal_connect (G_OBJECT (_piano), "note-off", G_CALLBACK (VirtualKeyboardWindow::_note_off_event_handler), this);
piano_keyboard_set_keyboard_layout (_piano, "QWERTY");
HBox* box = manage (new HBox);
box->pack_start (*manage (new Label (_("Channel:"))), false, false);
box->pack_start (_piano_channel, false, false);
box->pack_start (*manage (new Label (_("Velocity:"))), false, false);
box->pack_start (_piano_velocity, false, false);
Box* box2 = manage (new HBox ());
box2->pack_start (*box, true, false);
VBox* vbox = manage (new VBox);
vbox->pack_start (*box2, false, false, 4);
vbox->pack_start (*_pianomm, true, true);
add (*vbox);
set_keep_above (true);
vbox->show_all();
}
VirtualKeyboardWindow::~VirtualKeyboardWindow ()
{
delete _pianomm;
}
void
VirtualKeyboardWindow::on_unmap ()
{
ArdourWindow::on_unmap ();
ARDOUR_UI::instance()->reset_focus (this);
}
bool
VirtualKeyboardWindow::on_key_press_event (GdkEventKey* ev)
{
return ARDOUR_UI_UTILS::relay_key_press (ev, this);
}
void
VirtualKeyboardWindow::note_on_event_handler (int note)
{
_pianomm->grab_focus ();
if (!_session) {
return;
}
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = (MIDI_CMD_NOTE_ON | channel);
ev[1] = note;
ev[2] = _piano_velocity.get_value_as_int ();
_session->vkbd_output_port()->write (ev, 3, 0);
}
void
VirtualKeyboardWindow::note_off_event_handler (int note)
{
if (!_session) {
return;
}
uint8_t channel = _piano_channel.get_value_as_int () - 1;
uint8_t ev[3];
ev[0] = (MIDI_CMD_NOTE_OFF | channel);
ev[1] = note;
ev[2] = 0;
_session->vkbd_output_port()->write (ev, 3, 0);
}
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