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feature to update keycode on press and read keycode on release using map cache

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This commit is contained in:
Garretonzo 2025-06-08 11:13:16 -07:00
parent fe54121cfa
commit 1dc57e7ea6
3 changed files with 47 additions and 1 deletions
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2
docs/config_options.md
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@ -142,6 +142,8 @@ If you define these options you will enable the associated feature, which may in
* Enables the `QK_MAKE` keycode
* `#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

41
quantum/action_layer.c
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@ -306,6 +306,32 @@ 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)
@ -322,14 +348,27 @@ 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

5
quantum/action_layer.h
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@ -163,6 +163,11 @@ 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);