common/keymap.c

   1 /*
   2 Copyright 2013 Jun Wako <wakojun@gmail.com>
   3
   4 This program is free software: you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation, either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17 #include <avr/pgmspace.h>
  18 #include "keymap.h"
  19 #include "report.h"
  20 #include "keycode.h"
  21 #include "action_layer.h"
  22 #include "action.h"
  23 #include "action_macro.h"
  24 #include "debug.h"
  25
  26
  27 static action_t keycode_to_action(uint8_t keycode);
  28
  29
  30 /* converts key to action */
  31 action_t action_for_key(uint8_t layer, key_t key)
  32 {
  33     uint8_t keycode = keymap_key_to_keycode(layer, key);
  34     switch (keycode) {
  35         case KC_FN0 ... KC_FN31:
  36             return keymap_fn_to_action(keycode);
  37 #ifdef BOOTMAGIC_ENABLE
  38         case KC_CAPSLOCK:
  39         case KC_LOCKING_CAPS:
  40             if (keymap_config.swap_control_capslock || keymap_config.capslock_to_control) {
  41                 return keycode_to_action(KC_LCTL);
  42             }
  43             return keycode_to_action(keycode);
  44         case KC_LCTL:
  45             if (keymap_config.swap_control_capslock) {
  46                 return keycode_to_action(KC_CAPSLOCK);
  47             }
  48             return keycode_to_action(KC_LCTL);
  49         case KC_LALT:
  50             if (keymap_config.swap_lalt_lgui) {
  51                 if (keymap_config.no_gui) {
  52                     return keycode_to_action(ACTION_NO);
  53                 }
  54                 return keycode_to_action(KC_LGUI);
  55             }
  56             return keycode_to_action(KC_LALT);
  57         case KC_LGUI:
  58             if (keymap_config.swap_lalt_lgui) {
  59                 return keycode_to_action(KC_LALT);
  60             }
  61             if (keymap_config.no_gui) {
  62                 return keycode_to_action(ACTION_NO);
  63             }
  64             return keycode_to_action(KC_LGUI);
  65         case KC_RALT:
  66             if (keymap_config.swap_ralt_rgui) {
  67                 if (keymap_config.no_gui) {
  68                     return keycode_to_action(ACTION_NO);
  69                 }
  70                 return keycode_to_action(KC_RGUI);
  71             }
  72             return keycode_to_action(KC_RALT);
  73         case KC_RGUI:
  74             if (keymap_config.swap_ralt_rgui) {
  75                 return keycode_to_action(KC_RALT);
  76             }
  77             if (keymap_config.no_gui) {
  78                 return keycode_to_action(ACTION_NO);
  79             }
  80             return keycode_to_action(KC_RGUI);
  81         case KC_GRAVE:
  82             if (keymap_config.swap_grave_esc) {
  83                 return keycode_to_action(KC_ESC);
  84             }
  85             return keycode_to_action(KC_GRAVE);
  86         case KC_ESC:
  87             if (keymap_config.swap_grave_esc) {
  88                 return keycode_to_action(KC_GRAVE);
  89             }
  90             return keycode_to_action(KC_ESC);
  91         case KC_BSLASH:
  92             if (keymap_config.swap_backslash_backspace) {
  93                 return keycode_to_action(KC_BSPACE);
  94             }
  95             return keycode_to_action(KC_BSLASH);
  96         case KC_BSPACE:
  97             if (keymap_config.swap_backslash_backspace) {
  98                 return keycode_to_action(KC_BSLASH);
  99             }
 100             return keycode_to_action(KC_BSPACE);
 101 #endif
 102         default:
 103             return keycode_to_action(keycode);
 104     }
 105 }
 106
 107
 108 /* Macro */
 109 __attribute__ ((weak))
 110 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
 111 {
 112     return MACRO_NONE;
 113 }
 114
 115 /* Function */
 116 __attribute__ ((weak))
 117 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
 118 {
 119 }
 120
 121
 122
 123 /* translates keycode to action */
 124 static action_t keycode_to_action(uint8_t keycode)
 125 {
 126     action_t action;
 127     switch (keycode) {
 128         case KC_A ... KC_EXSEL:
 129         case KC_LCTRL ... KC_RGUI:
 130             action.code = ACTION_KEY(keycode);
 131             break;
 132         case KC_SYSTEM_POWER ... KC_SYSTEM_WAKE:
 133             action.code = ACTION_USAGE_SYSTEM(KEYCODE2SYSTEM(keycode));
 134             break;
 135         case KC_AUDIO_MUTE ... KC_WWW_FAVORITES:
 136             action.code = ACTION_USAGE_CONSUMER(KEYCODE2CONSUMER(keycode));
 137             break;
 138         case KC_MS_UP ... KC_MS_ACCEL2:
 139             action.code = ACTION_MOUSEKEY(keycode);
 140             break;
 141         case KC_TRNS:
 142             action.code = ACTION_TRANSPARENT;
 143             break;
 144         default:
 145             action.code = ACTION_NO;
 146             break;
 147     }
 148     return action;
 149 }
 150
 151
 152
 153 #ifdef USE_LEGACY_KEYMAP
 154 /*
 155  * Legacy keymap support
 156  *      Consider using new keymap API instead.
 157  */
 158 __attribute__ ((weak))
 159 uint8_t keymap_key_to_keycode(uint8_t layer, key_t key)
 160 {
 161     return keymap_get_keycode(layer, key.row, key.col);
 162 }
 163
 164
 165 /* Legacy keymap support */
 166 __attribute__ ((weak))
 167 action_t keymap_fn_to_action(uint8_t keycode)
 168 {
 169     action_t action = { .code = ACTION_NO };
 170     switch (keycode) {
 171         case KC_FN0 ... KC_FN31:
 172             {
 173                 uint8_t layer = keymap_fn_layer(FN_INDEX(keycode));
 174                 uint8_t key = keymap_fn_keycode(FN_INDEX(keycode));
 175                 if (key) {
 176                     action.code = ACTION_LAYER_TAP_KEY(layer, key);
 177                 } else {
 178                     action.code = ACTION_LAYER_MOMENTARY(layer);
 179                 }
 180             }
 181             return action;
 182         default:
 183             return action;
 184     }
 185 }
 186 #endif