diff --git a/docs/config_options.md b/docs/config_options.md index fec6b22b133c..4a7ed609d062 100644 --- a/docs/config_options.md +++ b/docs/config_options.md @@ -144,6 +144,8 @@ If you define these options you will enable the associated feature, which may in * NKRO by default requires to be turned on, this forces it on during keyboard startup regardless of EEPROM setting. NKRO can still be turned off but will be turned on again if the keyboard reboots. * `#define STRICT_LAYER_RELEASE` * force a key release to be evaluated using the current layer stack instead of remembering which layer it came from (used for advanced cases) +* `#define KEYCODE_CACHE_ENABLE` + * Cache keycode for pressed keys, to be used on key release, across entire physical keyboard layout. ## Behaviors That Can Be Configured diff --git a/quantum/action_layer.c b/quantum/action_layer.c index 7c09a5bd1e54..8200c74b8269 100644 --- a/quantum/action_layer.c +++ b/quantum/action_layer.c @@ -287,6 +287,31 @@ uint8_t read_source_layers_cache(keypos_t key) { # endif // ENCODER_MAP_ENABLE return 0; } + +# ifdef KEYCODE_CACHE_ENABLE +static uint16_t keycode_map[MATRIX_ROWS][MATRIX_COLS] = {{KC_NO}}; + +/** \brief update keycode map + * + * Updates map of keycodes when a key is pressed down + */ +void update_keycode_map(keypos_t key, uint16_t keycode) { + if (key.row < MATRIX_ROWS && key.col < MATRIX_COLS) { + keycode_map[key.row][key.col] = keycode; + } +} + +/** \brief read keycode map + * + * reads from map of keycodes when a key is released + */ +uint16_t read_keycode_map(keypos_t key) { + if (key.row < MATRIX_ROWS && key.col < MATRIX_COLS) { + return keycode_map[key.row][key.col]; + } + return KC_NO; +} +# endif #endif /** \brief Store or get action (FIXME: Needs better summary) @@ -303,14 +328,27 @@ action_t store_or_get_action(bool pressed, keypos_t key) { } uint8_t layer; - +# ifdef KEYCODE_CACHE_ENABLE + uint16_t keycode; +# endif if (pressed) { layer = layer_switch_get_layer(key); update_source_layers_cache(key, layer); +# ifdef KEYCODE_CACHE_ENABLE + keycode = keymap_key_to_keycode(layer, key); + update_keycode_map(key, keycode); +# endif } else { layer = read_source_layers_cache(key); +# ifdef KEYCODE_CACHE_ENABLE + keycode = read_keycode_map(key); +# endif } +# ifndef KEYCODE_CACHE_ENABLE return action_for_key(layer, key); +# else + return action_for_keycode(keycode); +# endif #else return layer_switch_get_action(key); #endif diff --git a/quantum/action_layer.h b/quantum/action_layer.h index a2410d49a5ea..4a8e8cdc6f5c 100644 --- a/quantum/action_layer.h +++ b/quantum/action_layer.h @@ -160,6 +160,11 @@ layer_state_t update_tri_layer_state(layer_state_t state, uint8_t layer1, uint8_ void update_source_layers_cache(keypos_t key, uint8_t layer); uint8_t read_source_layers_cache(keypos_t key); +# ifdef KEYCODE_CACHE_ENABLE +void update_keycode_map(keypos_t key, uint16_t keycode); +uint16_t read_keycode_map(keypos_t key); +uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key); +# endif #endif action_t store_or_get_action(bool pressed, keypos_t key);