common/layer_switch.c

   1 #include <stdint.h>
   2 #include "keyboard.h"
   3 #include "action.h"
   4 #include "debug.h"
   5 #include "util.h"
   6 #include "layer_switch.h"
   7
   8
   9 /*
  10  * Default Layer (0-15)
  11  */
  12 uint8_t default_layer = 0;
  13
  14 void default_layer_set(uint8_t layer)
  15 {
  16     debug("default_layer_set: ");
  17     debug_dec(default_layer); debug(" to ");
  18
  19     default_layer = layer;
  20
  21     debug_dec(default_layer); debug("\n");
  22
  23     clear_keyboard_but_mods(); // To avoid stuck keys
  24 }
  25
  26
  27 #ifndef NO_ACTION_KEYMAP
  28 /*
  29  * Keymap Layer (0-15)
  30  */
  31 uint16_t keymap_stat = 0;
  32
  33 /* return highest layer whose state is on */
  34 uint8_t keymap_get_layer(void)
  35 {
  36     return biton16(keymap_stat);
  37 }
  38
  39 static void keymap_stat_set(uint16_t stat)
  40 {
  41     debug("keymap: ");
  42     keymap_debug(); debug(" to ");
  43
  44     keymap_stat = stat;
  45
  46     keymap_debug(); debug("\n");
  47
  48     clear_keyboard_but_mods(); // To avoid stuck keys
  49 }
  50
  51 void keymap_clear(void)
  52 {
  53     keymap_stat_set(0);
  54 }
  55
  56
  57 void keymap_set(uint16_t stat)
  58 {
  59     keymap_stat_set(stat);
  60 }
  61
  62 void keymap_move(uint8_t layer)
  63 {
  64     keymap_stat_set(1<<layer);
  65 }
  66
  67 void keymap_on(uint8_t layer)
  68 {
  69     keymap_stat_set(keymap_stat | (1<<layer));
  70 }
  71
  72 void keymap_off(uint8_t layer)
  73 {
  74     keymap_stat_set(keymap_stat & ~(1<<layer));
  75 }
  76
  77 void keymap_invert(uint8_t layer)
  78 {
  79     keymap_stat_set(keymap_stat ^ (1<<layer));
  80 }
  81
  82 void keymap_or(uint16_t stat)
  83 {
  84     keymap_stat_set(keymap_stat | stat);
  85 }
  86 void keymap_and(uint16_t stat)
  87 {
  88     keymap_stat_set(keymap_stat & stat);
  89 }
  90 void keymap_xor(uint16_t stat)
  91 {
  92     keymap_stat_set(keymap_stat ^ stat);
  93 }
  94
  95 void keymap_debug(void)
  96 {
  97     debug_hex16(keymap_stat); debug("("); debug_dec(keymap_get_layer()); debug(")");
  98 }
  99 #endif
 100
 101
 102
 103 #ifndef NO_ACTION_OVERLAY
 104 /*
 105  * Overlay Layer (16-31 = 0-15|0x10)
 106  */
 107 uint16_t overlay_stat = 0;
 108
 109 /* return highest layer whose state is on */
 110 uint8_t overlay_get_layer(void)
 111 {
 112     return biton16(overlay_stat);
 113 }
 114
 115 static void overlay_stat_set(uint16_t stat)
 116 {
 117     debug("overlay: ");
 118     overlay_debug(); debug(" to ");
 119
 120     overlay_stat = stat;
 121
 122     overlay_debug(); debug("\n");
 123
 124     clear_keyboard_but_mods(); // To avoid stuck keys
 125 }
 126
 127 void overlay_clear(void)
 128 {
 129     overlay_stat_set(0);
 130 }
 131
 132
 133 void overlay_set(uint16_t stat)
 134 {
 135     overlay_stat_set(stat);
 136 }
 137
 138 void overlay_move(uint8_t layer)
 139 {
 140     overlay_stat_set(1<<layer);
 141 }
 142
 143 void overlay_on(uint8_t layer)
 144 {
 145     overlay_stat_set(overlay_stat | (1<<layer));
 146 }
 147
 148 void overlay_off(uint8_t layer)
 149 {
 150     overlay_stat_set(overlay_stat & ~(1<<layer));
 151 }
 152
 153 void overlay_invert(uint8_t layer)
 154 {
 155     overlay_stat_set(overlay_stat ^ (1<<layer));
 156 }
 157
 158 void overlay_or(uint16_t stat)
 159 {
 160     overlay_stat_set(overlay_stat | stat);
 161 }
 162 void overlay_and(uint16_t stat)
 163 {
 164     overlay_stat_set(overlay_stat & stat);
 165 }
 166 void overlay_xor(uint16_t stat)
 167 {
 168     overlay_stat_set(overlay_stat ^ stat);
 169 }
 170
 171 void overlay_debug(void)
 172 {
 173     debug_hex16(overlay_stat); debug("("); debug_dec(overlay_get_layer()); debug(")");
 174 }
 175 #endif
 176
 177 action_t layer_switch_get_action(key_t key)
 178 {
 179     action_t action;
 180     action.code = ACTION_TRANSPARENT;
 181
 182 #ifndef NO_ACTION_OVERLAY
 183     /* overlay: top layer first */
 184     for (int8_t i = 15; i >= 0; i--) {
 185         if (overlay_stat & (1<<i)) {
 186             action = action_for_key(i | OVERLAY_BIT, key);
 187             if (action.code != ACTION_TRANSPARENT) {
 188                 return action;
 189             }
 190         }
 191     }
 192 #endif
 193
 194 #ifndef NO_ACTION_KEYMAP
 195     /* keymap: top layer first */
 196     for (int8_t i = 15; i >= 0; i--) {
 197         if (keymap_stat & (1<<i)) {
 198             action = action_for_key(i, key);
 199             if (action.code != ACTION_TRANSPARENT) {
 200                 return action;
 201             }
 202         }
 203     }
 204 #endif
 205
 206     /* default layer */
 207     action = action_for_key(default_layer, key);
 208     return action;
 209 }