5 #include "action_layer.h"
17 uint32_t default_layer_state = 0;
20 uint32_t default_layer_state_set_kb(uint32_t state) {
24 static void default_layer_state_set(uint32_t state)
26 state = default_layer_state_set_kb(state);
27 debug("default_layer_state: ");
28 default_layer_debug(); debug(" to ");
29 default_layer_state = state;
30 default_layer_debug(); debug("\n");
31 clear_keyboard_but_mods(); // To avoid stuck keys
34 void default_layer_debug(void)
36 dprintf("%08lX(%u)", default_layer_state, biton32(default_layer_state));
39 void default_layer_set(uint32_t state)
41 default_layer_state_set(state);
44 #ifndef NO_ACTION_LAYER
45 void default_layer_or(uint32_t state)
47 default_layer_state_set(default_layer_state | state);
49 void default_layer_and(uint32_t state)
51 default_layer_state_set(default_layer_state & state);
53 void default_layer_xor(uint32_t state)
55 default_layer_state_set(default_layer_state ^ state);
60 #ifndef NO_ACTION_LAYER
64 uint32_t layer_state = 0;
67 uint32_t layer_state_set_kb(uint32_t state) {
71 static void layer_state_set(uint32_t state)
73 state = layer_state_set_kb(state);
74 dprint("layer_state: ");
75 layer_debug(); dprint(" to ");
77 layer_debug(); dprintln();
78 clear_keyboard_but_mods(); // To avoid stuck keys
81 void layer_clear(void)
86 void layer_move(uint8_t layer)
88 layer_state_set(1UL<<layer);
91 void layer_on(uint8_t layer)
93 layer_state_set(layer_state | (1UL<<layer));
96 void layer_off(uint8_t layer)
98 layer_state_set(layer_state & ~(1UL<<layer));
101 void layer_invert(uint8_t layer)
103 layer_state_set(layer_state ^ (1UL<<layer));
106 void layer_or(uint32_t state)
108 layer_state_set(layer_state | state);
110 void layer_and(uint32_t state)
112 layer_state_set(layer_state & state);
114 void layer_xor(uint32_t state)
116 layer_state_set(layer_state ^ state);
119 void layer_debug(void)
121 dprintf("%08lX(%u)", layer_state, biton32(layer_state));
125 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
126 uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {{0}};
128 void update_source_layers_cache(keypos_t key, uint8_t layer)
130 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
131 const uint8_t storage_row = key_number / 8;
132 const uint8_t storage_bit = key_number % 8;
134 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
135 source_layers_cache[storage_row][bit_number] ^=
136 (-((layer & (1U << bit_number)) != 0)
137 ^ source_layers_cache[storage_row][bit_number])
138 & (1U << storage_bit);
142 uint8_t read_source_layers_cache(keypos_t key)
144 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
145 const uint8_t storage_row = key_number / 8;
146 const uint8_t storage_bit = key_number % 8;
149 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
151 ((source_layers_cache[storage_row][bit_number]
152 & (1U << storage_bit)) != 0)
161 * Make sure the action triggered when the key is released is the same
162 * one as the one triggered on press. It's important for the mod keys
163 * when the layer is switched after the down event but before the up
164 * event as they may get stuck otherwise.
166 action_t store_or_get_action(bool pressed, keypos_t key)
168 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
169 if (disable_action_cache) {
170 return layer_switch_get_action(key);
176 layer = layer_switch_get_layer(key);
177 update_source_layers_cache(key, layer);
180 layer = read_source_layers_cache(key);
182 return action_for_key(layer, key);
184 return layer_switch_get_action(key);
189 int8_t layer_switch_get_layer(keypos_t key)
192 action.code = ACTION_TRANSPARENT;
194 #ifndef NO_ACTION_LAYER
195 uint32_t layers = layer_state | default_layer_state;
196 /* check top layer first */
197 for (int8_t i = 31; i >= 0; i--) {
198 if (layers & (1UL<<i)) {
199 action = action_for_key(i, key);
200 if (action.code != ACTION_TRANSPARENT) {
205 /* fall back to layer 0 */
208 return biton32(default_layer_state);
212 action_t layer_switch_get_action(keypos_t key)
214 return action_for_key(layer_switch_get_layer(key), key);