5 #include "action_layer.h"
17 uint32_t default_layer_state = 0;
19 static void default_layer_state_set(uint32_t state)
21 debug("default_layer_state: ");
22 default_layer_debug(); debug(" to ");
23 default_layer_state = state;
24 default_layer_debug(); debug("\n");
25 clear_keyboard_but_mods(); // To avoid stuck keys
28 void default_layer_debug(void)
30 dprintf("%08lX(%u)", default_layer_state, biton32(default_layer_state));
33 void default_layer_set(uint32_t state)
35 default_layer_state_set(state);
38 #ifndef NO_ACTION_LAYER
39 void default_layer_or(uint32_t state)
41 default_layer_state_set(default_layer_state | state);
43 void default_layer_and(uint32_t state)
45 default_layer_state_set(default_layer_state & state);
47 void default_layer_xor(uint32_t state)
49 default_layer_state_set(default_layer_state ^ state);
54 #ifndef NO_ACTION_LAYER
58 uint32_t layer_state = 0;
61 uint32_t layer_state_set_kb(uint32_t state) {
65 static void layer_state_set(uint32_t state)
67 state = layer_state_set_kb(state);
68 dprint("layer_state: ");
69 layer_debug(); dprint(" to ");
71 layer_debug(); dprintln();
72 clear_keyboard_but_mods(); // To avoid stuck keys
75 void layer_clear(void)
80 void layer_move(uint8_t layer)
82 layer_state_set(1UL<<layer);
85 void layer_on(uint8_t layer)
87 layer_state_set(layer_state | (1UL<<layer));
90 void layer_off(uint8_t layer)
92 layer_state_set(layer_state & ~(1UL<<layer));
95 void layer_invert(uint8_t layer)
97 layer_state_set(layer_state ^ (1UL<<layer));
100 void layer_or(uint32_t state)
102 layer_state_set(layer_state | state);
104 void layer_and(uint32_t state)
106 layer_state_set(layer_state & state);
108 void layer_xor(uint32_t state)
110 layer_state_set(layer_state ^ state);
113 void layer_debug(void)
115 dprintf("%08lX(%u)", layer_state, biton32(layer_state));
119 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
120 uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {{0}};
122 void update_source_layers_cache(keypos_t key, uint8_t layer)
124 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
125 const uint8_t storage_row = key_number / 8;
126 const uint8_t storage_bit = key_number % 8;
128 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
129 source_layers_cache[storage_row][bit_number] ^=
130 (-((layer & (1U << bit_number)) != 0)
131 ^ source_layers_cache[storage_row][bit_number])
132 & (1U << storage_bit);
136 uint8_t read_source_layers_cache(keypos_t key)
138 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
139 const uint8_t storage_row = key_number / 8;
140 const uint8_t storage_bit = key_number % 8;
143 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
145 ((source_layers_cache[storage_row][bit_number]
146 & (1U << storage_bit)) != 0)
155 * Make sure the action triggered when the key is released is the same
156 * one as the one triggered on press. It's important for the mod keys
157 * when the layer is switched after the down event but before the up
158 * event as they may get stuck otherwise.
160 action_t store_or_get_action(bool pressed, keypos_t key)
162 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
163 if (disable_action_cache) {
164 return layer_switch_get_action(key);
170 layer = layer_switch_get_layer(key);
171 update_source_layers_cache(key, layer);
174 layer = read_source_layers_cache(key);
176 return action_for_key(layer, key);
178 return layer_switch_get_action(key);
183 int8_t layer_switch_get_layer(keypos_t key)
186 action.code = ACTION_TRANSPARENT;
188 #ifndef NO_ACTION_LAYER
189 uint32_t layers = layer_state | default_layer_state;
190 /* check top layer first */
191 for (int8_t i = 31; i >= 0; i--) {
192 if (layers & (1UL<<i)) {
193 action = action_for_key(i, key);
194 if (action.code != ACTION_TRANSPARENT) {
199 /* fall back to layer 0 */
202 return biton32(default_layer_state);
206 action_t layer_switch_get_action(keypos_t key)
208 return action_for_key(layer_switch_get_layer(key), key);