361 lines
7.6 KiB
C++
361 lines
7.6 KiB
C++
/*
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* Copyright (C) 2019 Robin Gareus <robin@gareus.org>
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* Copyright (c) 2007, 2008 Edward Tomasz Napierała <trasz@FreeBSD.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 <cassert>
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#include <iostream>
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#include "piano_key_bindings.h"
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PianoKeyBindings::PianoKeyBindings ()
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{
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bind_keys_qwerty ();
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}
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PianoKeyBindings::~PianoKeyBindings ()
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{
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}
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void
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PianoKeyBindings::set_layout (Layout layout)
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{
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switch (layout) {
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case NO_KEYS:
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clear_notes ();
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break;
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case QWERTY:
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bind_keys_qwerty ();
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break;
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case QWERTZ:
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bind_keys_qwertz ();
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break;
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case AZERTY:
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bind_keys_azerty ();
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break;
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case DVORAK:
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bind_keys_dvorak ();
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break;
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case S_QWERTY:
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bind_keys_basic_qwerty ();
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break;
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case S_QWERTZ:
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bind_keys_basic_qwertz ();
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break;
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}
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}
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int
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PianoKeyBindings::key_binding (const char* key) const
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{
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std::map<std::string, int>::const_iterator kv;
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if (key && (kv = _key_bindings.find (key)) != _key_bindings.end ()) {
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return kv->second;
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}
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return -1;
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}
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const char*
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PianoKeyBindings::note_binding (int note) const
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{
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std::map<int, std::string>::const_iterator kv = _note_bindings.find (note);
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if (kv == _note_bindings.end ()) {
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return 0;
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}
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return kv->second.c_str();
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}
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PianoKeyBindings::Layout
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PianoKeyBindings::layout (std::string const& l)
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{
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if (l == "QWERTY") {
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return QWERTY;
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} else if (l == "QWERTZ") {
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return QWERTZ;
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} else if (l == "AZERTY") {
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return AZERTY;
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} else if (l == "DVORAK") {
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return DVORAK;
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} else if (l == "QWERTY Single") {
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return S_QWERTY;
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} else if (l == "QWERTZ Single") {
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return S_QWERTZ;
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} else if (l == "None") {
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return NO_KEYS;
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}
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// Unrecognized keyboard layout, maybe an assert is too stringent though
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assert(false);
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return NO_KEYS;
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}
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const char*
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PianoKeyBindings::get_keycode (GdkEventKey* event)
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{
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/* We're not using event->keyval, because we need keyval with level set to 0.
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E.g. if user holds Shift and presses '7', we want to get a '7', not '&'. */
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#ifdef __APPLE__
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/* gdkkeys-quartz.c does not implement gdk_keymap_lookup_key */
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guint keyval;
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gdk_keymap_translate_keyboard_state (NULL, event->hardware_keycode,
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(GdkModifierType)0, 0,
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&keyval, NULL, NULL, NULL);
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#else
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GdkKeymapKey kk;
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kk.keycode = event->hardware_keycode;
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kk.level = 0;
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kk.group = 0;
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guint keyval = gdk_keymap_lookup_key (NULL, &kk);
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#endif
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return gdk_keyval_name (gdk_keyval_to_lower (keyval));
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}
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void
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PianoKeyBindings::bind_key (const char* key, int note)
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{
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_key_bindings[key] = note;
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_note_bindings[note] = key;
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}
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void
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PianoKeyBindings::clear_notes ()
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{
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_key_bindings.clear ();
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_note_bindings.clear ();
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}
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void
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PianoKeyBindings::bind_keys_qwerty ()
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{
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clear_notes ();
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bind_key ("space", 128);
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bind_key ("Tab", 129);
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/* Lower keyboard row - "zxcvbnm". */
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bind_key ("z", 12); /* C0 */
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bind_key ("s", 13);
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bind_key ("x", 14);
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bind_key ("d", 15);
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bind_key ("c", 16);
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bind_key ("v", 17);
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bind_key ("g", 18);
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bind_key ("b", 19);
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bind_key ("h", 20);
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bind_key ("n", 21);
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bind_key ("j", 22);
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bind_key ("m", 23);
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/* Upper keyboard row, first octave - "qwertyu". */
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bind_key ("q", 24);
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bind_key ("2", 25);
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bind_key ("w", 26);
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bind_key ("3", 27);
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bind_key ("e", 28);
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bind_key ("r", 29);
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bind_key ("5", 30);
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bind_key ("t", 31);
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bind_key ("6", 32);
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bind_key ("y", 33);
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bind_key ("7", 34);
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bind_key ("u", 35);
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/* Upper keyboard row, the rest - "iop". */
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bind_key ("i", 36);
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bind_key ("9", 37);
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bind_key ("o", 38);
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bind_key ("0", 39);
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bind_key ("p", 40);
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/* ignore */
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bind_key ("a", -2);
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bind_key ("f", -3);
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bind_key ("1", -4);
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bind_key ("4", -5);
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bind_key ("8", -6);
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}
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void
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PianoKeyBindings::bind_keys_qwertz ()
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{
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bind_keys_qwerty ();
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/* The only difference between QWERTY and QWERTZ is that the "y" and "z" are swapped together. */
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bind_key ("y", 12);
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bind_key ("z", 33);
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}
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void
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PianoKeyBindings::bind_keys_azerty ()
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{
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clear_notes ();
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bind_key ("space", 128);
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bind_key ("Tab", 129);
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/* Lower keyboard row - "wxcvbn,". */
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bind_key ("w", 12); /* C0 */
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bind_key ("s", 13);
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bind_key ("x", 14);
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bind_key ("d", 15);
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bind_key ("c", 16);
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bind_key ("v", 17);
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bind_key ("g", 18);
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bind_key ("b", 19);
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bind_key ("h", 20);
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bind_key ("n", 21);
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bind_key ("j", 22);
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bind_key ("comma", 23);
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/* Upper keyboard row, first octave - "azertyu". */
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bind_key ("a", 24);
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bind_key ("eacute", 25);
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bind_key ("z", 26);
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bind_key ("quotedbl", 27);
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bind_key ("e", 28);
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bind_key ("r", 29);
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bind_key ("parenleft", 30);
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bind_key ("t", 31);
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bind_key ("minus", 32);
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bind_key ("y", 33);
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bind_key ("egrave", 34);
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bind_key ("u", 35);
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/* Upper keyboard row, the rest - "iop". */
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bind_key ("i", 36);
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bind_key ("ccedilla", 37);
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bind_key ("o", 38);
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bind_key ("agrave", 39);
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bind_key ("p", 40);
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}
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void
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PianoKeyBindings::bind_keys_dvorak ()
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{
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clear_notes ();
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bind_key ("space", 128);
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bind_key ("Tab", 129);
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/* Lower keyboard row - ";qjkxbm". */
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bind_key ("semicolon", 12); /* C0 */
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bind_key ("o", 13);
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bind_key ("q", 14);
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bind_key ("e", 15);
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bind_key ("j", 16);
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bind_key ("k", 17);
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bind_key ("i", 18);
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bind_key ("x", 19);
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bind_key ("d", 20);
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bind_key ("b", 21);
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bind_key ("h", 22);
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bind_key ("m", 23);
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bind_key ("w", 24); /* overlaps with upper row */
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bind_key ("n", 25);
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bind_key ("v", 26);
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bind_key ("s", 27);
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bind_key ("z", 28);
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/* Upper keyboard row, first octave - "',.pyfg". */
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bind_key ("apostrophe", 24);
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bind_key ("2", 25);
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bind_key ("comma", 26);
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bind_key ("3", 27);
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bind_key ("period", 28);
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bind_key ("p", 29);
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bind_key ("5", 30);
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bind_key ("y", 31);
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bind_key ("6", 32);
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bind_key ("f", 33);
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bind_key ("7", 34);
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bind_key ("g", 35);
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/* Upper keyboard row, the rest - "crl". */
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bind_key ("c", 36);
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bind_key ("9", 37);
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bind_key ("r", 38);
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bind_key ("0", 39);
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bind_key ("l", 40);
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#if 0
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bind_key ("slash", 41); /* extra F */
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bind_key ("bracketright", 42);
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bind_key ("equal", 43);
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#endif
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}
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void
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PianoKeyBindings::bind_keys_basic_qwerty ()
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{
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clear_notes ();
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bind_key ("space", 128);
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bind_key ("Tab", 129);
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/* simple - middle rows only */
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bind_key ("a", 12); /* C0 */
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bind_key ("w", 13);
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bind_key ("s", 14);
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bind_key ("e", 15);
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bind_key ("d", 16);
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bind_key ("f", 17);
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bind_key ("t", 18);
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bind_key ("g", 19);
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bind_key ("y", 20);
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bind_key ("h", 21);
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bind_key ("u", 22);
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bind_key ("j", 23);
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bind_key ("k", 24); /* C1 */
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bind_key ("o", 25);
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bind_key ("l", 26);
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bind_key ("p", 27);
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bind_key ("semicolon", 28);
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bind_key ("apostrophe", 29);
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}
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void
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PianoKeyBindings::bind_keys_basic_qwertz ()
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{
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clear_notes ();
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bind_key ("space", 128);
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bind_key ("Tab", 129);
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/* simple - middle rows only */
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bind_key ("a", 12); /* C0 */
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bind_key ("w", 13);
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bind_key ("s", 14);
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bind_key ("e", 15);
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bind_key ("d", 16);
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bind_key ("f", 17);
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bind_key ("t", 18);
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bind_key ("g", 19);
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bind_key ("z", 20);
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bind_key ("h", 21);
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bind_key ("u", 22);
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bind_key ("j", 23);
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bind_key ("k", 24); /* C1 */
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bind_key ("o", 25);
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bind_key ("l", 26);
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bind_key ("p", 27);
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bind_key ("semicolon", 28);
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bind_key ("apostrophe", 29);
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}
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