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qmk_firmware/keyboards/a_dux/keymaps/daliusd/oneshot.h
2021-10-11 02:55:20 -07:00

66 lines
2.1 KiB
C

/* Copyright 2021 @daliusd
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include QMK_KEYBOARD_H
// Represents the four states a oneshot key can be in
typedef enum {
os_up_unqueued,
os_up_queued,
os_up_queued_used,
os_down_unused,
os_down_used,
} oneshot_state;
// Custom oneshot mod implementation that doesn't rely on timers. If a mod is
// used while it is held it will be unregistered on keyup as normal, otherwise
// it will be queued and only released after the next non-mod keyup.
void update_oneshot(
oneshot_state *state,
uint16_t mod,
uint16_t trigger,
uint16_t keycode,
keyrecord_t *record
);
// Oneshot implementation for layers
bool update_oneshot_layer(
oneshot_state *state,
uint16_t layer,
uint16_t trigger,
uint16_t keycode,
keyrecord_t *record
);
// To be implemented by the consumer. Layers one shot implementation needs to
// know which keys are used as oneshot mods
bool is_oneshot_mod_key(
uint16_t keycode
);
// To be implemented by the consumer. Defines keys to cancel oneshot mods.
bool is_oneshot_cancel_key(uint16_t keycode);
// To be implemented by the consumer. Defines keys to cancel oneshot layers.
bool is_oneshot_layer_cancel_key(uint16_t keycode);
// To be implemented by the consumer. Defines keys to ignore when determining
// whether a oneshot mod has been used. Setting this to modifiers and layer
// change keys allows stacking multiple oneshot modifiers, and carrying them
// between layers.
bool is_oneshot_ignored_key(uint16_t keycode);