112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/*
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* Copyright (C) 2019 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <gtkmm/box.h>
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#include "ardour/async_midi_port.h"
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#include "ardour_ui.h"
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#include "virtual_keyboard_window.h"
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#include "utils.h"
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#include "pbd/i18n.h"
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using namespace Glib;
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using namespace Gtk;
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VirtualKeyboardWindow::VirtualKeyboardWindow ()
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: ArdourWindow (_("Virtual Keyboard"))
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, _piano_velocity (*manage (new Adjustment (100, 1, 127, 1, 16)))
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, _piano_channel (*manage (new Adjustment (0, 1, 16, 1, 1)))
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{
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_piano = (PianoKeyboard*)piano_keyboard_new();
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_pianomm = Glib::wrap((GtkWidget*)_piano);
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_pianomm->set_flags(Gtk::CAN_FOCUS);
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_pianomm->add_events(Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
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g_signal_connect (G_OBJECT (_piano), "note-on", G_CALLBACK (VirtualKeyboardWindow::_note_on_event_handler), this);
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g_signal_connect (G_OBJECT (_piano), "note-off", G_CALLBACK (VirtualKeyboardWindow::_note_off_event_handler), this);
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piano_keyboard_set_keyboard_layout (_piano, "QWERTY");
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HBox* box = manage (new HBox);
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box->pack_start (*manage (new Label (_("Channel:"))), false, false);
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box->pack_start (_piano_channel, false, false);
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box->pack_start (*manage (new Label (_("Velocity:"))), false, false);
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box->pack_start (_piano_velocity, false, false);
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Box* box2 = manage (new HBox ());
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box2->pack_start (*box, true, false);
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VBox* vbox = manage (new VBox);
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vbox->pack_start (*box2, false, false, 4);
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vbox->pack_start (*_pianomm, true, true);
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add (*vbox);
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set_keep_above (true);
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vbox->show_all();
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}
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VirtualKeyboardWindow::~VirtualKeyboardWindow ()
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{
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delete _pianomm;
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}
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void
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VirtualKeyboardWindow::on_unmap ()
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{
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ArdourWindow::on_unmap ();
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ARDOUR_UI::instance()->reset_focus (this);
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}
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bool
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VirtualKeyboardWindow::on_key_press_event (GdkEventKey* ev)
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{
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return ARDOUR_UI_UTILS::relay_key_press (ev, this);
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}
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void
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VirtualKeyboardWindow::note_on_event_handler (int note)
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{
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_pianomm->grab_focus ();
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if (!_session) {
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return;
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}
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uint8_t channel = _piano_channel.get_value_as_int () - 1;
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uint8_t ev[3];
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ev[0] = (MIDI_CMD_NOTE_ON | channel);
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ev[1] = note;
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ev[2] = _piano_velocity.get_value_as_int ();
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_session->vkbd_output_port()->write (ev, 3, 0);
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}
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void
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VirtualKeyboardWindow::note_off_event_handler (int note)
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{
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if (!_session) {
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return;
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}
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uint8_t channel = _piano_channel.get_value_as_int () - 1;
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uint8_t ev[3];
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ev[0] = (MIDI_CMD_NOTE_OFF | channel);
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ev[1] = note;
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ev[2] = 0;
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_session->vkbd_output_port()->write (ev, 3, 0);
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}
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