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Diffstat (limited to 'keyboards/hhkb/keymaps/shela/action_pseudo_lut.c')
-rw-r--r--keyboards/hhkb/keymaps/shela/action_pseudo_lut.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/keyboards/hhkb/keymaps/shela/action_pseudo_lut.c b/keyboards/hhkb/keymaps/shela/action_pseudo_lut.c
new file mode 100644
index 0000000000..b205968c7b
--- /dev/null
+++ b/keyboards/hhkb/keymaps/shela/action_pseudo_lut.c
@@ -0,0 +1,142 @@
+#include "quantum.h"
+#include "action_pseudo_lut.h"
+
+static uint8_t send_key_shift_bit[SHIFT_BIT_SIZE];
+
+/*
+ * Pseudo layout action.
+ * This action converts a keycode in order to output the character according to the keymap you specified
+ * still your keyboard layout recognized wrongly on your OS.
+ * Memo: Using other layer keymap to get keycode
+ */
+void action_pseudo_lut(keyrecord_t *record, uint8_t base_keymap_id, const uint16_t (*keymap)[2]) {
+ static uint8_t prev_shift;
+ uint16_t keycode;
+ uint16_t pseudo_keycode;
+
+ /* get keycode from keymap you specified */
+ keycode = keymap_key_to_keycode(base_keymap_id, record->event.key);
+
+ prev_shift = keyboard_report->mods & (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT));
+
+ if (record->event.pressed) {
+ /* when magic commands entered, keycode does not converted */
+ if (IS_COMMAND()) {
+ if (prev_shift) {
+ add_shift_bit(keycode);
+ }
+ register_code(keycode);
+ return;
+ }
+
+ if (prev_shift) {
+ pseudo_keycode = convert_keycode(keymap, keycode, true);
+ dprintf("pressed: %02X, converted: %04X\n", keycode, pseudo_keycode);
+ add_shift_bit(keycode);
+
+ if (IS_LSFT(pseudo_keycode)) {
+ register_code(QK_LSFT ^ pseudo_keycode);
+ } else {
+ /* delete shift mod temporarily */
+ del_mods(prev_shift);
+ send_keyboard_report();
+ register_code(pseudo_keycode);
+ add_mods(prev_shift);
+ send_keyboard_report();
+ }
+ } else {
+ pseudo_keycode = convert_keycode(keymap, keycode, false);
+ dprintf("pressed: %02X, converted: %04X\n", keycode, pseudo_keycode);
+
+ if (IS_LSFT(pseudo_keycode)) {
+ add_weak_mods(MOD_BIT(KC_LSFT));
+ send_keyboard_report();
+ register_code(QK_LSFT ^ pseudo_keycode);
+ /* on Windows, prevent key repeat to avoid unintended output */
+ unregister_code(QK_LSFT ^ pseudo_keycode);
+ del_weak_mods(MOD_BIT(KC_LSFT));
+ send_keyboard_report();
+ } else {
+ register_code(pseudo_keycode);
+ }
+ }
+ } else {
+ if (get_shift_bit(keycode)) {
+ del_shift_bit(keycode);
+ pseudo_keycode = convert_keycode(keymap, keycode, true);
+ } else {
+ pseudo_keycode = convert_keycode(keymap, keycode, false);
+ }
+ dprintf("released: %02X, converted: %04X\n", keycode, pseudo_keycode);
+
+ if (IS_LSFT(pseudo_keycode)) {
+ unregister_code(QK_LSFT ^ pseudo_keycode);
+ } else {
+ unregister_code(pseudo_keycode);
+ }
+ }
+}
+
+uint16_t convert_keycode(const uint16_t (*keymap)[2], uint16_t keycode, bool shift_modded)
+{
+ uint16_t pseudo_keycode;
+
+ switch (keycode) {
+ case KC_A ... KC_CAPSLOCK:
+#if defined(__AVR__)
+ if (shift_modded) {
+ pseudo_keycode = pgm_read_word(&keymap[keycode][1]);
+ } else {
+ pseudo_keycode = pgm_read_word(&keymap[keycode][0]);
+ }
+#else
+ if (shift_modded) {
+ pseudo_keycode = keymap[keycode][1];
+ } else {
+ pseudo_keycode = keymap[keycode][0];
+ }
+#endif
+ /* if undefined, use got keycode as it is */
+ if (pseudo_keycode == 0x00) {
+ if (shift_modded) {
+ pseudo_keycode = S(keycode);
+ } else {
+ pseudo_keycode = keycode;
+ }
+ }
+ break;
+ default:
+ if (shift_modded) {
+ pseudo_keycode = S(keycode);
+ } else {
+ pseudo_keycode = keycode;
+ }
+ break;
+ }
+ return pseudo_keycode;
+}
+
+uint8_t get_shift_bit(uint16_t keycode) {
+ if ((keycode >> 3) < SHIFT_BIT_SIZE) {
+ return send_key_shift_bit[keycode >> 3] & (1 << (keycode & 7));
+ } else {
+ dprintf("get_shift_bit: Can't get shift bit. keycode: %02X\n", keycode);
+ return 0;
+ }
+}
+
+void add_shift_bit(uint16_t keycode) {
+ if ((keycode >> 3) < SHIFT_BIT_SIZE) {
+ send_key_shift_bit[keycode >> 3] |= (1 << (keycode & 7));
+ } else {
+ dprintf("add_shift_bit: Can't add shift bit. keycode: %02X\n", keycode);
+ }
+}
+
+void del_shift_bit(uint16_t keycode) {
+ if ((keycode >> 3) < SHIFT_BIT_SIZE) {
+ send_key_shift_bit[keycode >> 3] &= ~(1 << (keycode & 7));
+ } else {
+ dprintf("del_shift_bit: Can't delete shift bit. keycode: %02X\n", keycode);
+ }
+}