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;
60 static void layer_state_set(uint32_t state)
62 dprint("layer_state: ");
63 layer_debug(); dprint(" to ");
65 layer_debug(); dprintln();
66 clear_keyboard_but_mods(); // To avoid stuck keys
69 void layer_clear(void)
74 void layer_move(uint8_t layer)
76 layer_state_set(1UL<<layer);
79 void layer_on(uint8_t layer)
81 layer_state_set(layer_state | (1UL<<layer));
84 void layer_off(uint8_t layer)
86 layer_state_set(layer_state & ~(1UL<<layer));
89 void layer_invert(uint8_t layer)
91 layer_state_set(layer_state ^ (1UL<<layer));
94 void layer_or(uint32_t state)
96 layer_state_set(layer_state | state);
98 void layer_and(uint32_t state)
100 layer_state_set(layer_state & state);
102 void layer_xor(uint32_t state)
104 layer_state_set(layer_state ^ state);
107 void layer_debug(void)
109 dprintf("%08lX(%u)", layer_state, biton32(layer_state));
113 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
114 uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {0};
116 void update_source_layers_cache(keypos_t key, uint8_t layer)
118 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
119 const uint8_t storage_row = key_number / 8;
120 const uint8_t storage_bit = key_number % 8;
122 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
123 source_layers_cache[storage_row][bit_number] ^=
124 (-((layer & (1U << bit_number)) != 0)
125 ^ source_layers_cache[storage_row][bit_number])
126 & (1U << storage_bit);
130 uint8_t read_source_layers_cache(keypos_t key)
132 const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
133 const uint8_t storage_row = key_number / 8;
134 const uint8_t storage_bit = key_number % 8;
137 for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
139 ((source_layers_cache[storage_row][bit_number]
140 & (1U << storage_bit)) != 0)
149 * Make sure the action triggered when the key is released is the same
150 * one as the one triggered on press. It's important for the mod keys
151 * when the layer is switched after the down event but before the up
152 * event as they may get stuck otherwise.
154 action_t store_or_get_action(bool pressed, keypos_t key)
156 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
157 if (disable_action_cache) {
158 return layer_switch_get_action(key);
164 layer = layer_switch_get_layer(key);
165 update_source_layers_cache(key, layer);
168 layer = read_source_layers_cache(key);
170 return action_for_key(layer, key);
172 return layer_switch_get_action(key);
177 int8_t layer_switch_get_layer(keypos_t key)
180 action.code = ACTION_TRANSPARENT;
182 #ifndef NO_ACTION_LAYER
183 uint32_t layers = layer_state | default_layer_state;
184 /* check top layer first */
185 for (int8_t i = 31; i >= 0; i--) {
186 if (layers & (1UL<<i)) {
187 action = action_for_key(i, key);
188 if (action.code != ACTION_TRANSPARENT) {
193 /* fall back to layer 0 */
196 return biton32(default_layer_state);
200 action_t layer_switch_get_action(keypos_t key)
202 return action_for_key(layer_switch_get_layer(key), key);