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_user(uint32_t state) {
72 uint32_t layer_state_set_kb(uint32_t state) {
73 return layer_state_set_user(state);
76 void layer_state_set(uint32_t state)
78 state = layer_state_set_kb(state);
79 dprint("layer_state: ");
80 layer_debug(); dprint(" to ");
82 layer_debug(); dprintln();
83 clear_keyboard_but_mods(); // To avoid stuck keys
86 void layer_clear(void)
91 bool layer_state_is(uint8_t layer)
93 return layer_state_cmp(layer_state, layer);
96 bool layer_state_cmp(uint32_t cmp_layer_state, uint8_t layer) {
97 if (!cmp_layer_state) { return layer == 0; }
98 return (cmp_layer_state & (1UL<<layer)) != 0;
101 void layer_move(uint8_t layer)
103 layer_state_set(1UL<<layer);
106 void layer_on(uint8_t layer)
108 layer_state_set(layer_state | (1UL<<layer));
111 void layer_off(uint8_t layer)
113 layer_state_set(layer_state & ~(1UL<<layer));
116 void layer_invert(uint8_t layer)
118 layer_state_set(layer_state ^ (1UL<<layer));
121 void layer_or(uint32_t state)
123 layer_state_set(layer_state | state);
125 void layer_and(uint32_t state)
127 layer_state_set(layer_state & state);
129 void layer_xor(uint32_t state)
131 layer_state_set(layer_state ^ state);
134 void layer_debug(void)
136 dprintf("%08lX(%u)", layer_state, biton32(layer_state));
140 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
141 uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {{0}};
143 void update_source_layers_cache(keypos_t key, uint8_t layer)
145 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
146 const uint8_t storage_row = key_number / 8;
147 const uint8_t storage_bit = key_number % 8;
149 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
150 source_layers_cache[storage_row][bit_number] ^=
151 (-((layer & (1U << bit_number)) != 0)
152 ^ source_layers_cache[storage_row][bit_number])
153 & (1U << storage_bit);
157 uint8_t read_source_layers_cache(keypos_t key)
159 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
160 const uint8_t storage_row = key_number / 8;
161 const uint8_t storage_bit = key_number % 8;
164 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
166 ((source_layers_cache[storage_row][bit_number]
167 & (1U << storage_bit)) != 0)
176 * Make sure the action triggered when the key is released is the same
177 * one as the one triggered on press. It's important for the mod keys
178 * when the layer is switched after the down event but before the up
179 * event as they may get stuck otherwise.
181 action_t store_or_get_action(bool pressed, keypos_t key)
183 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
184 if (disable_action_cache) {
185 return layer_switch_get_action(key);
191 layer = layer_switch_get_layer(key);
192 update_source_layers_cache(key, layer);
195 layer = read_source_layers_cache(key);
197 return action_for_key(layer, key);
199 return layer_switch_get_action(key);
204 int8_t layer_switch_get_layer(keypos_t key)
206 #ifndef NO_ACTION_LAYER
208 action.code = ACTION_TRANSPARENT;
210 uint32_t layers = layer_state | default_layer_state;
211 /* check top layer first */
212 for (int8_t i = 31; i >= 0; i--) {
213 if (layers & (1UL<<i)) {
214 action = action_for_key(i, key);
215 if (action.code != ACTION_TRANSPARENT) {
220 /* fall back to layer 0 */
223 return biton32(default_layer_state);
227 action_t layer_switch_get_action(keypos_t key)
229 return action_for_key(layer_switch_get_layer(key), key);