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@@ -1,29 +1,24 @@
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-/* Copyright 2017, 2022 Joseph Wasson, Vladislav Kucheriavykh
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- *
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- * This program is free software: you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation, either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program. If not, see <http://www.gnu.org/licenses/>.
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- */
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+// Copyright 2017, 2022 Joseph Wasson, Vladislav Kucheriavykh
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+// SPDX-License-Identifier: GPL-2.0-or-later
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+
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#include "process_steno.h"
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-#include "quantum_keycodes.h"
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-#include "eeconfig.h"
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-#include <string.h>
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-#ifdef VIRTSER_ENABLE
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-# include "virtser.h"
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+#include "steno.h"
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+#include "progmem.h"
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+
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+#ifdef STENO_ENABLE_BOLT
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+void steno_add_key_to_chord_bolt(uint8_t chord[MAX_STROKE_SIZE], uint8_t key);
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+void steno_send_chord_bolt(uint8_t chord[MAX_STROKE_SIZE]);
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+#endif
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+
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+#ifdef STENO_ENABLE_GEMINI
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+void steno_add_key_to_chord_gemini(uint8_t chord[MAX_STROKE_SIZE], uint8_t key);
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+void steno_send_chord_gemini(uint8_t chord[MAX_STROKE_SIZE]);
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#endif
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// All steno keys that have been pressed to form this chord,
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// stored in MAX_STROKE_SIZE groups of 8-bit arrays.
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-static uint8_t chord[MAX_STROKE_SIZE] = {0};
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+extern uint8_t steno_current_chord[MAX_STROKE_SIZE];
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+
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// The number of physical keys actually being held down.
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// This is not always equal to the number of 1 bits in `chord` because it is possible to
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// simultaneously press down four keys, then release three of those four keys and then press yet
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@@ -32,108 +27,20 @@ static uint8_t chord[MAX_STROKE_SIZE] = {0};
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// `n_pressed_keys` would be set to 2 because there are only two keys currently being pressed down.
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static int8_t n_pressed_keys = 0;
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-#ifdef STENO_ENABLE_ALL
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-static steno_mode_t mode;
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-#elif defined(STENO_ENABLE_GEMINI)
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-static const steno_mode_t mode = STENO_MODE_GEMINI;
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-#elif defined(STENO_ENABLE_BOLT)
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-static const steno_mode_t mode = STENO_MODE_BOLT;
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-#endif
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-
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-static inline void steno_clear_chord(void) {
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- memset(chord, 0, sizeof(chord));
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-}
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-
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-#ifdef STENO_ENABLE_GEMINI
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-
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-# ifdef VIRTSER_ENABLE
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-void send_steno_chord_gemini(void) {
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- // Set MSB to 1 to indicate the start of packet
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- chord[0] |= 0x80;
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- for (uint8_t i = 0; i < GEMINI_STROKE_SIZE; ++i) {
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- virtser_send(chord[i]);
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- }
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-}
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-# else
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-# pragma message "VIRTSER_ENABLE = yes is required for Gemini PR to work properly out of the box!"
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-# endif // VIRTSER_ENABLE
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-
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-/**
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- * @precondition: `key` is pressed
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- */
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-bool add_gemini_key_to_chord(uint8_t key) {
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- // Although each group of the packet is 8 bits long, the MSB is reserved
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- // to indicate whether that byte is the first byte of the packet (MSB=1)
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- // or one of the remaining five bytes of the packet (MSB=0).
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- // As a consequence, only 7 out of the 8 bits are left to be used as a bit array
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- // for the steno keys of that group.
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- const int group_idx = key / 7;
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- const int intra_group_idx = key - group_idx * 7;
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- // The 0th steno key of the group has bit=0b01000000, the 1st has bit=0b00100000, etc.
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- const uint8_t bit = 1 << (6 - intra_group_idx);
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- chord[group_idx] |= bit;
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- return false;
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-}
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-#endif // STENO_ENABLE_GEMINI
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-
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-#ifdef STENO_ENABLE_BOLT
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-
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-# define TXB_GRP0 0b00000000
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-# define TXB_GRP1 0b01000000
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-# define TXB_GRP2 0b10000000
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-# define TXB_GRP3 0b11000000
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-# define TXB_GRPMASK 0b11000000
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-
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-# define TXB_GET_GROUP(code) ((code & TXB_GRPMASK) >> 6)
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-
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-static const uint8_t boltmap[64] PROGMEM = {TXB_NUL, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_S_L, TXB_S_L, TXB_T_L, TXB_K_L, TXB_P_L, TXB_W_L, TXB_H_L, TXB_R_L, TXB_A_L, TXB_O_L, TXB_STR, TXB_STR, TXB_NUL, TXB_NUL, TXB_NUL, TXB_STR, TXB_STR, TXB_E_R, TXB_U_R, TXB_F_R, TXB_R_R, TXB_P_R, TXB_B_R, TXB_L_R, TXB_G_R, TXB_T_R, TXB_S_R, TXB_D_R, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_NUM, TXB_Z_R};
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-
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-# ifdef VIRTSER_ENABLE
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-static void send_steno_chord_bolt(void) {
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- for (uint8_t i = 0; i < BOLT_STROKE_SIZE; ++i) {
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- // TX Bolt uses variable length packets where each byte corresponds to a bit array of certain keys.
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- // If a user chorded the keys of the first group with keys of the last group, for example, there
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- // would be bytes of 0x00 in `chord` for the middle groups which we mustn't send.
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- if (chord[i]) {
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- virtser_send(chord[i]);
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- }
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- }
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- // Sending a null packet is not always necessary, but it is simpler and more reliable
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- // to unconditionally send it every time instead of keeping track of more states and
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- // creating more branches in the execution of the program.
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- virtser_send(0);
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-}
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-# else
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-# pragma message "VIRTSER_ENABLE = yes is required for TX Bolt to work properly out of the box!"
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-# endif // VIRTSER_ENABLE
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-
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-/**
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- * @precondition: `key` is pressed
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- */
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-static bool add_bolt_key_to_chord(uint8_t key) {
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- uint8_t boltcode = pgm_read_byte(boltmap + key);
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- chord[TXB_GET_GROUP(boltcode)] |= boltcode;
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- return false;
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-}
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-#endif // STENO_ENABLE_BOLT
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-
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#ifdef STENO_COMBINEDMAP
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-/* Used to look up when pressing the middle row key to combine two consonant or vowel keys */
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-static const uint16_t combinedmap_first[] PROGMEM = {STN_S1, STN_TL, STN_PL, STN_HL, STN_FR, STN_PR, STN_LR, STN_TR, STN_DR, STN_A, STN_E};
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-static const uint16_t combinedmap_second[] PROGMEM = {STN_S2, STN_KL, STN_WL, STN_RL, STN_RR, STN_BR, STN_GR, STN_SR, STN_ZR, STN_O, STN_U};
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-#endif
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+// Used to look up when pressing the middle row key to combine two consonant or vowel keys
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+static const uint16_t combinedmap_first[] PROGMEM = {QK_STENO_S1, QK_STENO_TL, QK_STENO_PL, QK_STENO_HL, QK_STENO_FR, QK_STENO_PR, QK_STENO_LR, QK_STENO_TR, QK_STENO_DR, QK_STENO_A, QK_STENO_E};
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+static const uint16_t combinedmap_second[] PROGMEM = {QK_STENO_S2, QK_STENO_KL, QK_STENO_WL, QK_STENO_RL, QK_STENO_RR, QK_STENO_BR, QK_STENO_GR, QK_STENO_SR, QK_STENO_ZR, QK_STENO_O, QK_STENO_U};
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-#ifdef STENO_ENABLE_ALL
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-void steno_init(void) {
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- mode = eeconfig_read_steno_mode();
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-}
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+static bool process_steno_combinedmap(uint16_t keycode, keyrecord_t *record) {
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+ uint16_t first_keycode = pgm_read_word(&combinedmap_first[keycode - QK_STENO_S3]);
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+ uint16_t second_keycode = pgm_read_word(&combinedmap_second[keycode - QK_STENO_S3]);
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-void steno_set_mode(steno_mode_t new_mode) {
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- steno_clear_chord();
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- mode = new_mode;
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- eeconfig_update_steno_mode(mode);
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+ bool first_result = process_steno(first_keycode, record);
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+ bool second_result = process_steno(second_keycode, record);
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+ return first_result && second_result;
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}
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-#endif // STENO_ENABLE_ALL
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+#endif
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/* override to intercept chords right before they get sent.
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* return zero to suppress normal sending behavior.
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@@ -150,65 +57,97 @@ __attribute__((weak)) bool process_steno_user(uint16_t keycode, keyrecord_t *rec
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return true;
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}
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+static void steno_add_keycode_to_chord(uint16_t keycode) {
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+ switch (steno_get_mode()) {
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+#ifdef STENO_ENABLE_BOLT
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+ case STENO_MODE_BOLT:
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+ steno_add_key_to_chord_bolt(steno_current_chord, keycode - QK_STENO_FUNCTION);
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+ break;
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+#endif
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+#ifdef STENO_ENABLE_GEMINI
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+ case STENO_MODE_GEMINI:
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+ steno_add_key_to_chord_gemini(steno_current_chord, keycode - QK_STENO_FUNCTION);
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+ break;
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+#endif
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+ default:
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+ break;
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+ }
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+}
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+
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+static void steno_send_chord(void) {
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+ switch (steno_get_mode()) {
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+#ifdef STENO_ENABLE_BOLT
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+ case STENO_MODE_BOLT:
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+ steno_send_chord_bolt(steno_current_chord);
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+ break;
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+#endif
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+#ifdef STENO_ENABLE_GEMINI
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+ case STENO_MODE_GEMINI:
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+ steno_send_chord_gemini(steno_current_chord);
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+ break;
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+#endif
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+ default:
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+ break;
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+ }
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+}
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+
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bool process_steno(uint16_t keycode, keyrecord_t *record) {
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- if (keycode < QK_STENO || keycode > QK_STENO_MAX) {
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- return true; // Not a steno key, pass it further along the chain
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- /*
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- * Clearing or sending the chord state is not necessary as we intentionally ignore whatever
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- * normal keyboard keys the user may have tapped while chording steno keys.
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- */
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+ if (!IS_STENO_KEYCODE(keycode)) {
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+ // Clearing or sending the chord state is not necessary as we intentionally ignore whatever
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+ // normal keyboard keys the user may have tapped while chording steno keys.
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+ return true; // pass keycode further along the chain
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}
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+
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if (IS_NOEVENT(record->event)) {
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return true;
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}
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+
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if (!process_steno_user(keycode, record)) {
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return false; // User fully processed the steno key themselves
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}
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+
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switch (keycode) {
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-#ifdef STENO_ENABLE_ALL
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- case QK_STENO_BOLT:
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+#if NUM_STENO_PROTOCOLS > 1
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+ case QK_STENO_MODE_NEXT:
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+ if (record->event.pressed) {
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+ steno_mode_next();
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+ }
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+ return false;
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+
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+ case QK_STENO_MODE_PREVIOUS:
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+ if (record->event.pressed) {
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+ steno_mode_previous();
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+ }
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+ return false;
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+
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+ case QK_STENO_MODE_BOLT:
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if (record->event.pressed) {
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steno_set_mode(STENO_MODE_BOLT);
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}
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return false;
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- case QK_STENO_GEMINI:
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+ case QK_STENO_MODE_GEMINI:
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if (record->event.pressed) {
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steno_set_mode(STENO_MODE_GEMINI);
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}
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return false;
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-#endif // STENO_ENABLE_ALL
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+#endif
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#ifdef STENO_COMBINEDMAP
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- case QK_STENO_COMB ... QK_STENO_COMB_MAX: {
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- bool first_result = process_steno(combinedmap_first[keycode - QK_STENO_COMB], record);
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- bool second_result = process_steno(combinedmap_second[keycode - QK_STENO_COMB], record);
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- return first_result && second_result;
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- }
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-#endif // STENO_COMBINEDMAP
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- case STN__MIN ... STN__MAX:
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+ case QK_STENO_S3 ... QK_STENO_EU:
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+ return process_steno_combinedmap(keycode, record);
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+#endif
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+
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+ case QK_STENO_FUNCTION ... QK_STENO_ZR:
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if (record->event.pressed) {
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n_pressed_keys++;
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- switch (mode) {
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-#ifdef STENO_ENABLE_BOLT
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- case STENO_MODE_BOLT:
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- add_bolt_key_to_chord(keycode - QK_STENO);
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- break;
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-#endif // STENO_ENABLE_BOLT
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-#ifdef STENO_ENABLE_GEMINI
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- case STENO_MODE_GEMINI:
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- add_gemini_key_to_chord(keycode - QK_STENO);
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- break;
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-#endif // STENO_ENABLE_GEMINI
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- default:
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- return false;
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- }
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- if (!post_process_steno_user(keycode, record, mode, chord, n_pressed_keys)) {
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+ steno_add_keycode_to_chord(keycode);
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+ if (!post_process_steno_user(keycode, record, steno_get_mode(), steno_current_chord, n_pressed_keys)) {
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return false;
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}
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} else { // is released
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n_pressed_keys--;
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- if (!post_process_steno_user(keycode, record, mode, chord, n_pressed_keys)) {
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+ if (!post_process_steno_user(keycode, record, steno_get_mode(), steno_current_chord, n_pressed_keys)) {
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return false;
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}
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if (n_pressed_keys > 0) {
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@@ -217,27 +156,17 @@ bool process_steno(uint16_t keycode, keyrecord_t *record) {
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return false;
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}
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n_pressed_keys = 0;
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- if (!send_steno_chord_user(mode, chord)) {
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+ if (!send_steno_chord_user(steno_get_mode(), steno_current_chord)) {
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steno_clear_chord();
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return false;
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}
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- switch (mode) {
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-#if defined(STENO_ENABLE_BOLT) && defined(VIRTSER_ENABLE)
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- case STENO_MODE_BOLT:
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- send_steno_chord_bolt();
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- break;
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-#endif // STENO_ENABLE_BOLT && VIRTSER_ENABLE
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-#if defined(STENO_ENABLE_GEMINI) && defined(VIRTSER_ENABLE)
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- case STENO_MODE_GEMINI:
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- send_steno_chord_gemini();
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- break;
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-#endif // STENO_ENABLE_GEMINI && VIRTSER_ENABLE
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- default:
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- break;
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- }
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+ steno_send_chord();
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steno_clear_chord();
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}
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+ return false;
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+ default:
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break;
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}
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+
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return false;
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}
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