diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c index acc6d11eab39..bf609f5e7bbf 100644 --- a/tmk_core/common/action.c +++ b/tmk_core/common/action.c @@ -55,7 +55,7 @@ void action_exec(keyevent_t event) #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS) bool disable_action_cache = false; -int8_t pressed_actions_cache[MATRIX_ROWS][MATRIX_COLS]; +uint8_t source_layers_cache[5][(MATRIX_ROWS * MATRIX_COLS + 7) / 8] = {0}; void process_action_nocache(keyrecord_t *record) { @@ -82,11 +82,23 @@ action_t store_or_get_action(bool pressed, keypos_t key) if (disable_action_cache) { return layer_switch_get_action(key); } - + uint8_t key_number = key.col + (key.row * MATRIX_COLS); + uint8_t storage_row = key_number / 8; + uint8_t storage_bit = key_number % 8; + uint8_t layer; if (pressed) { - pressed_actions_cache[key.row][key.col] = layer_switch_get_layer(key); + layer = layer_switch_get_layer(key); + for (uint8_t bit_number = 0; bit_number <= 4; bit_number++) { + source_layers_cache[bit_number][storage_row] ^= (-(bool)((layer & (1U << bit_number)) != 0) ^ source_layers_cache[bit_number][storage_row])) & (1U << storage_bit); + } + } + else { + layer = 0; + for (uint8_t bit_number = 0; bit_number <= 4; bit_number++) { + layer |= (uint8_t)((source_layers_cache[bit_number][storage_row] & (1U << storage_bit)) != 0) << bit_number; + } } - return action_for_key(pressed_actions_cache[key.row][key.col], key); + return action_for_key(layer, key); #else return layer_switch_get_action(key); #endif diff --git a/tmk_core/common/action.h b/tmk_core/common/action.h index 2b43d001e14d..533e5d1a011d 100644 --- a/tmk_core/common/action.h +++ b/tmk_core/common/action.h @@ -61,7 +61,6 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt); /* Utilities for actions. */ #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS) extern bool disable_action_cache; -extern int8_t pressed_actions_cache[MATRIX_ROWS][MATRIX_COLS]; #endif void process_action_nocache(keyrecord_t *record); void process_action(keyrecord_t *record);