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livetrax/gtk2_ardour/piano_key_bindings.h

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/*
* Copyright (C) 2010-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014-2019 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.
*/
#ifndef _PIANO_KEY_BINDINGS_H_
#define _PIANO_KEY_BINDINGS_H_
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#include <map>
#include <string>
#include <gtk/gtk.h>
/*
* Class for mapping PC keyboard keys to note pitches. Used by the
* Virtual MIDI Keyboard.
*/
class PianoKeyBindings
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{
public:
PianoKeyBindings ();
~PianoKeyBindings ();
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enum Layout {
NO_KEYS,
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QWERTY,
QWERTZ,
AZERTY,
DVORAK,
S_QWERTY,
S_QWERTZ
};
void set_layout (Layout layout);
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int key_binding (const char* key) const;
const char* note_binding (int note) const;
static Layout layout (std::string const& l);
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static const char* get_keycode (GdkEventKey* event);
private:
void bind_key (const char* key, int note);
void clear_notes ();
void bind_keys_qwerty ();
void bind_keys_qwertz ();
void bind_keys_azerty ();
void bind_keys_dvorak ();
void bind_keys_basic_qwerty ();
void bind_keys_basic_qwertz ();
std::map<std::string, int> _key_bindings; /**< Table used to translate from PC keyboard character to MIDI note number. */
std::map<int, std::string> _note_bindings; /**< Table to translate from MIDI note number to PC keyboard character. */
};
#endif