xkeyboard.h

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/*
 *                           0BSD 
 * 
 *                    BSD Zero Clause License
 * 
 *  Copyright (c) 2019 Hermann Meyer
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted.
 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 */
 
#pragma once
 
#ifndef XMIDI_KEYBOARD_H_
#define XMIDI_KEYBOARD_H_
 
#include "xwidgets.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef void (*midikeyfunc)(Widget_t *w, const int *key, const int on_off);
typedef void (*midiwheelfunc)(Widget_t *w, const int *value);
 
typedef struct {
    Widget_t* context_menu;
    Widget_t* keyboard;
    Widget_t* grab_keyboard;
    int channel;
    int octave;
    int layout;
    int velocity;
    int prelight_key;
    int new_prelight_key;
    int active_key;
    int new_active_key;
    int last_active_key;
    int send_key;
    int in_motion;
    int key_size;
    int key_offset;
    unsigned long key_matrix[4];
    unsigned long in_key_matrix[16][4];
    long custom_keys[128][2];
 
    midikeyfunc mk_send_note;
    midiwheelfunc mk_send_all_sound_off;
} MidiKeyboard;
 
void keysym_azerty_to_midi_key(long inkey, float *midi_key);
 
void keysym_azerty_fr_to_midi_key(long inkey, float *midi_key);
 
void keysym_azerty_be_to_midi_key(long inkey, float *midi_key);
 
void keysym_azerty_afnor_to_midi_key(long inkey, float *midi_key);
 
void keysym_qwertz_to_midi_key(long inkey, float *midi_key);
 
void keysym_qwerty_to_midi_key(unsigned int inkey, float *midi_key);
 
void custom_to_midi_key(long custom_keys[128][2], long inkey, float *midi_key);
 
void read_keymap(const char* keymapfile, long keys[128][2]);
 
void set_key_in_matrix(unsigned long *key_matrix, int key, bool set);
 
bool is_key_in_matrix(unsigned long *key_matrix, int key);
 
bool have_key_in_matrix(unsigned long *key_matrix);
 
void clear_key_matrix(unsigned long *key_matrix);
 
void add_keyboard(Widget_t *wid, const char * label);
 
Widget_t *open_midi_keyboard(Widget_t *w, const char * label);
 
Widget_t *add_midi_keyboard(Widget_t *parent, const char * label,
                            int x, int y, int width, int height);
 
bool need_redraw(MidiKeyboard *keys);
 
#ifdef __cplusplus
}
#endif
 
#endif //XMIDI_KEYBOARD_H_