13
0
livetrax/gtk2_ardour/piano_key_bindings.cc

361 lines
7.6 KiB
C++

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