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-rw-r--r--tmk_core/common/action.c20
-rw-r--r--tmk_core/common/action.h1
2 files changed, 16 insertions, 5 deletions
diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index acc6d11eab..bf609f5e7b 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 2b43d001e1..533e5d1a01 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);