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qmk_firmware/quantum/process_keycode/process_terminal.c
Ryan f529580860
Basic keycode overhaul (#14726)
2021-11-03 22:22:17 -07:00

329 lines
12 KiB
C
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/* Copyright 2017 Jack Humbert
*
* 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 "process_terminal.h"
#include <string.h>
#include "version.h"
#include <stdio.h>
#include <math.h>
#ifndef CMD_BUFF_SIZE
# define CMD_BUFF_SIZE 5
#endif
bool terminal_enabled = false;
char buffer[80] = "";
char cmd_buffer[CMD_BUFF_SIZE][80];
bool cmd_buffer_enabled = true; // replace with ifdef?
char newline[2] = "\n";
char arguments[6][20];
bool firstTime = true;
short int current_cmd_buffer_pos = 0; // used for up/down arrows - keeps track of where you are in the command buffer
__attribute__((weak)) const char terminal_prompt[8] = "> ";
#ifdef AUDIO_ENABLE
# ifndef TERMINAL_SONG
# define TERMINAL_SONG SONG(TERMINAL_SOUND)
# endif
float terminal_song[][2] = TERMINAL_SONG;
# define TERMINAL_BELL() PLAY_SONG(terminal_song)
#else
# define TERMINAL_BELL()
#endif
__attribute__((weak)) const char keycode_to_ascii_lut[58] = {0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 0, 0, 0, '\t', ' ', '-', '=', '[', ']', '\\', 0, ';', '\'', '`', ',', '.', '/'};
__attribute__((weak)) const char shifted_keycode_to_ascii_lut[58] = {0, 0, 0, 0, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', 0, 0, 0, '\t', ' ', '_', '+', '{', '}', '|', 0, ':', '\'', '~', '<', '>', '?'};
struct stringcase {
char *string;
void (*func)(void);
} typedef stringcase;
void enable_terminal(void) {
terminal_enabled = true;
strcpy(buffer, "");
memset(cmd_buffer, 0, CMD_BUFF_SIZE * 80);
for (int i = 0; i < 6; i++) strcpy(arguments[i], "");
// select all text to start over
// SEND_STRING(SS_LCTL("a"));
send_string(terminal_prompt);
}
void disable_terminal(void) {
terminal_enabled = false;
SEND_STRING("\n");
}
void push_to_cmd_buffer(void) {
if (cmd_buffer_enabled) {
if (cmd_buffer == NULL) {
return;
} else {
if (firstTime) {
firstTime = false;
strcpy(cmd_buffer[0], buffer);
return;
}
for (int i = CMD_BUFF_SIZE - 1; i > 0; --i) {
strncpy(cmd_buffer[i], cmd_buffer[i - 1], 80);
}
strcpy(cmd_buffer[0], buffer);
return;
}
}
}
void terminal_about(void) {
SEND_STRING("QMK Firmware\n");
SEND_STRING(" v");
SEND_STRING(QMK_VERSION);
SEND_STRING("\n" SS_TAP(X_HOME) " Built: ");
SEND_STRING(QMK_BUILDDATE);
send_string(newline);
#ifdef TERMINAL_HELP
if (strlen(arguments[1]) != 0) {
SEND_STRING("You entered: ");
send_string(arguments[1]);
send_string(newline);
}
#endif
}
void terminal_help(void);
extern const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS];
void terminal_keycode(void) {
if (strlen(arguments[1]) != 0 && strlen(arguments[2]) != 0 && strlen(arguments[3]) != 0) {
char keycode_dec[5];
char keycode_hex[5];
uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
uint16_t row = strtol(arguments[2], (char **)NULL, 10);
uint16_t col = strtol(arguments[3], (char **)NULL, 10);
uint16_t keycode = pgm_read_word(&keymaps[layer][row][col]);
itoa(keycode, keycode_dec, 10);
itoa(keycode, keycode_hex, 16);
SEND_STRING("0x");
send_string(keycode_hex);
SEND_STRING(" (");
send_string(keycode_dec);
SEND_STRING(")\n");
} else {
#ifdef TERMINAL_HELP
SEND_STRING("usage: keycode <layer> <row> <col>\n");
#endif
}
}
void terminal_keymap(void) {
if (strlen(arguments[1]) != 0) {
uint16_t layer = strtol(arguments[1], (char **)NULL, 10);
for (int r = 0; r < MATRIX_ROWS; r++) {
for (int c = 0; c < MATRIX_COLS; c++) {
uint16_t keycode = pgm_read_word(&keymaps[layer][r][c]);
char keycode_s[8];
sprintf(keycode_s, "0x%04x,", keycode);
send_string(keycode_s);
}
send_string(newline);
}
} else {
#ifdef TERMINAL_HELP
SEND_STRING("usage: keymap <layer>\n");
#endif
}
}
void print_cmd_buff(void) {
/* without the below wait, a race condition can occur wherein the
buffer can be printed before it has been fully moved */
wait_ms(250);
for (int i = 0; i < CMD_BUFF_SIZE; i++) {
char tmpChar = ' ';
itoa(i, &tmpChar, 10);
const char *tmpCnstCharStr = &tmpChar; // because sned_string wont take a normal char *
send_string(tmpCnstCharStr);
SEND_STRING(". ");
send_string(cmd_buffer[i]);
SEND_STRING("\n");
}
}
void flush_cmd_buffer(void) {
memset(cmd_buffer, 0, CMD_BUFF_SIZE * 80);
SEND_STRING("Buffer Cleared!\n");
}
stringcase terminal_cases[] = {{"about", terminal_about}, {"help", terminal_help}, {"keycode", terminal_keycode}, {"keymap", terminal_keymap}, {"flush-buffer", flush_cmd_buffer}, {"print-buffer", print_cmd_buff}, {"exit", disable_terminal}};
void terminal_help(void) {
SEND_STRING("commands available:\n ");
for (stringcase *case_p = terminal_cases; case_p != terminal_cases + sizeof(terminal_cases) / sizeof(terminal_cases[0]); case_p++) {
send_string(case_p->string);
SEND_STRING(" ");
}
send_string(newline);
}
void command_not_found(void) {
wait_ms(50); // sometimes buffer isnt grabbed quick enough
SEND_STRING("command \"");
send_string(buffer);
SEND_STRING("\" not found\n");
}
void process_terminal_command(void) {
// we capture return bc of the order of events, so we need to manually send a newline
send_string(newline);
char * pch;
uint8_t i = 0;
pch = strtok(buffer, " ");
while (pch != NULL) {
strcpy(arguments[i], pch);
pch = strtok(NULL, " ");
i++;
}
bool command_found = false;
for (stringcase *case_p = terminal_cases; case_p != terminal_cases + sizeof(terminal_cases) / sizeof(terminal_cases[0]); case_p++) {
if (0 == strcmp(case_p->string, buffer)) {
command_found = true;
(*case_p->func)();
break;
}
}
if (!command_found) command_not_found();
if (terminal_enabled) {
strcpy(buffer, "");
for (int i = 0; i < 6; i++) strcpy(arguments[i], "");
SEND_STRING(SS_TAP(X_HOME));
send_string(terminal_prompt);
}
}
void check_pos(void) {
if (current_cmd_buffer_pos >= CMD_BUFF_SIZE) { // if over the top, move it back down to the top of the buffer so you can climb back down...
current_cmd_buffer_pos = CMD_BUFF_SIZE - 1;
} else if (current_cmd_buffer_pos < 0) { //...and if you fall under the bottom of the buffer, reset back to 0 so you can climb back up
current_cmd_buffer_pos = 0;
}
}
bool process_terminal(uint16_t keycode, keyrecord_t *record) {
if (keycode == TERM_ON && record->event.pressed) {
enable_terminal();
return false;
}
if (terminal_enabled && record->event.pressed) {
if (keycode == TERM_OFF && record->event.pressed) {
disable_terminal();
return false;
}
if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) {
keycode = keycode & 0xFF;
}
if (keycode < 256) {
uint8_t str_len;
char char_to_add;
switch (keycode) {
case KC_ENTER:
case KC_KP_ENTER:
push_to_cmd_buffer();
current_cmd_buffer_pos = 0;
process_terminal_command();
return false;
break;
case KC_ESCAPE:
SEND_STRING("\n");
enable_terminal();
return false;
break;
case KC_BACKSPACE:
str_len = strlen(buffer);
if (str_len > 0) {
buffer[str_len - 1] = 0;
return true;
} else {
TERMINAL_BELL();
return false;
}
break;
case KC_LEFT:
return false;
break;
case KC_RIGHT:
return false;
break;
case KC_UP: // 0 = recent
check_pos(); // check our current buffer position is valid
if (current_cmd_buffer_pos <= CMD_BUFF_SIZE - 1) { // once we get to the top, dont do anything
str_len = strlen(buffer);
for (int i = 0; i < str_len; ++i) {
send_string(SS_TAP(X_BSPACE)); // clear w/e is on the line already
// process_terminal(KC_BACKSPACE,record);
}
strncpy(buffer, cmd_buffer[current_cmd_buffer_pos], 80);
send_string(buffer);
++current_cmd_buffer_pos; // get ready to access the above cmd if up/down is pressed again
}
return false;
break;
case KC_DOWN:
check_pos();
if (current_cmd_buffer_pos >= 0) { // once we get to the bottom, dont do anything
str_len = strlen(buffer);
for (int i = 0; i < str_len; ++i) {
send_string(SS_TAP(X_BSPACE)); // clear w/e is on the line already
// process_terminal(KC_BACKSPACE,record);
}
strncpy(buffer, cmd_buffer[current_cmd_buffer_pos], 79);
send_string(buffer);
--current_cmd_buffer_pos; // get ready to access the above cmd if down/up is pressed again
}
return false;
break;
default:
if (keycode <= 58) {
char_to_add = 0;
if (get_mods() & (MOD_BIT(KC_LEFT_SHIFT) | MOD_BIT(KC_RIGHT_SHIFT))) {
char_to_add = shifted_keycode_to_ascii_lut[keycode];
} else if (get_mods() == 0) {
char_to_add = keycode_to_ascii_lut[keycode];
}
if (char_to_add != 0) {
strncat(buffer, &char_to_add, 1);
}
}
break;
}
}
}
return true;
}
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