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 static 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 void layer_move(uint8_t layer)
93 layer_state_set(1UL<<layer);
96 void layer_on(uint8_t layer)
98 layer_state_set(layer_state | (1UL<<layer));
101 void layer_off(uint8_t layer)
103 layer_state_set(layer_state & ~(1UL<<layer));
106 void layer_invert(uint8_t layer)
108 layer_state_set(layer_state ^ (1UL<<layer));
111 void layer_or(uint32_t state)
113 layer_state_set(layer_state | state);
115 void layer_and(uint32_t state)
117 layer_state_set(layer_state & state);
119 void layer_xor(uint32_t state)
121 layer_state_set(layer_state ^ state);
124 void layer_debug(void)
126 dprintf("%08lX(%u)", layer_state, biton32(layer_state));
130 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
131 uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {{0}};
133 void update_source_layers_cache(keypos_t key, uint8_t layer)
135 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
136 const uint8_t storage_row = key_number / 8;
137 const uint8_t storage_bit = key_number % 8;
139 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
140 source_layers_cache[storage_row][bit_number] ^=
141 (-((layer & (1U << bit_number)) != 0)
142 ^ source_layers_cache[storage_row][bit_number])
143 & (1U << storage_bit);
147 uint8_t read_source_layers_cache(keypos_t key)
149 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
150 const uint8_t storage_row = key_number / 8;
151 const uint8_t storage_bit = key_number % 8;
154 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
156 ((source_layers_cache[storage_row][bit_number]
157 & (1U << storage_bit)) != 0)
166 * Make sure the action triggered when the key is released is the same
167 * one as the one triggered on press. It's important for the mod keys
168 * when the layer is switched after the down event but before the up
169 * event as they may get stuck otherwise.
171 action_t store_or_get_action(bool pressed, keypos_t key)
173 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
174 if (disable_action_cache) {
175 return layer_switch_get_action(key);
181 layer = layer_switch_get_layer(key);
182 update_source_layers_cache(key, layer);
185 layer = read_source_layers_cache(key);
187 return action_for_key(layer, key);
189 return layer_switch_get_action(key);
194 int8_t layer_switch_get_layer(keypos_t key)
196 #ifndef NO_ACTION_LAYER
198 action.code = ACTION_TRANSPARENT;
200 uint32_t layers = layer_state | default_layer_state;
201 /* check top layer first */
202 for (int8_t i = 31; i >= 0; i--) {
203 if (layers & (1UL<<i)) {
204 action = action_for_key(i, key);
205 if (action.code != ACTION_TRANSPARENT) {
210 /* fall back to layer 0 */
213 return biton32(default_layer_state);
217 action_t layer_switch_get_action(keypos_t key)
219 return action_for_key(layer_switch_get_layer(key), key);