diff options
Diffstat (limited to 'keyboards/hhkb/ansi/keymaps/shela/action_pseudo.c')
-rw-r--r-- | keyboards/hhkb/ansi/keymaps/shela/action_pseudo.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/keyboards/hhkb/ansi/keymaps/shela/action_pseudo.c b/keyboards/hhkb/ansi/keymaps/shela/action_pseudo.c new file mode 100644 index 0000000000..9c2b6e8ca5 --- /dev/null +++ b/keyboards/hhkb/ansi/keymaps/shela/action_pseudo.c @@ -0,0 +1,149 @@ +/* Copyright 2020 shela + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "quantum.h" +#include "command.h" +#include "action_pseudo.h" + +static uint8_t send_key_shift_bit[SHIFT_BIT_SIZE]; + +/* + * Action Pseudo Process. + * Gets the keycode in the same position of the specified layer. + * The keycode is sent after conversion according to the conversion keymap. + */ +void action_pseudo_process(keyrecord_t *record, uint8_t base_layer, const uint16_t (*keymap)[2]) { + uint8_t prev_shift; + uint16_t keycode; + uint16_t pseudo_keycode; + + /* Get keycode from specified layer */ + keycode = keymap_key_to_keycode(base_layer, record->event.key); + + prev_shift = get_mods() & MOD_MASK_SHIFT; + + if (record->event.pressed) { + /* If magic commands entered, keycode is 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 */ + unregister_mods(prev_shift); + register_code(pseudo_keycode); + register_mods(prev_shift); + } + } else { + pseudo_keycode = convert_keycode(keymap, keycode, false); + dprintf("pressed: %02X, converted: %04X\n", keycode, pseudo_keycode); + + if (IS_LSFT(pseudo_keycode)) { + register_weak_mods(MOD_LSFT); + register_code(QK_LSFT ^ pseudo_keycode); + /* Prevent key repeat to avoid unintended output on Windows */ + unregister_code(QK_LSFT ^ pseudo_keycode); + unregister_weak_mods(MOD_LSFT); + } 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); + } + } +} + +/* Convert keycode according to the keymap */ +uint16_t convert_keycode(const uint16_t (*keymap)[2], uint16_t keycode, bool shift_modded) { + uint16_t pseudo_keycode = 0x00; /* default value */ + + switch (keycode) { + case KC_A ... KC_CAPS_LOCK: +#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 + break; + } + + /* If pseudo keycode is the default value, use the keycode as it is */ + if (pseudo_keycode == 0x00) { + if (shift_modded) { + pseudo_keycode = S(keycode); + } else { + pseudo_keycode = keycode; + } + } + + 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); + } +} |