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66 lines
1.4 KiB
66 lines
1.4 KiB
7 years ago
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//
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// Created by MightyPork on 2017/08/20.
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//
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// Handle OSC commands (Operating System Command)
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// ESC ] Ps ; Pt ST
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//
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// Those are used to pass various text variables to the terminal:
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//
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// Ps = 0 or 2 ... set screen title to Pt
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// Ps = 81-85 ... set button label to Pt
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//
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#include "apars_osc.h"
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#include "apars_logging.h"
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#include "screen.h"
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#include "ansi_parser.h"
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/**
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* Helper function to set terminal button label
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* @param num - button number 1-5
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* @param str - button text
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*/
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static void ICACHE_FLASH_ATTR
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set_button_text(int num, const char *str)
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{
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strncpy(termconf_scratch.btn[num-1], str, TERM_BTN_LEN);
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screen_notifyChange(CHANGE_LABELS);
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}
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/**
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* Helper function to parse incoming OSC (Operating System Control)
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* @param buffer - the OSC body (after OSC and before ST)
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*/
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void ICACHE_FLASH_ATTR
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apars_handle_osc(const char *buffer)
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{
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const char *orig_buff = buffer;
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int n = 0;
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char c = 0;
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while ((c = *buffer++) != 0) {
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if (c >= '0' && c <= '9') {
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n = (n * 10 + (c - '0'));
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} else {
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break;
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}
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}
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if (c == ';') {
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// Do something with the data string and number
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// (based on xterm manpage)
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if (n == 0 || n == 2) {
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screen_set_title(buffer);
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}
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else if (n >= 81 && n <= 85) { // numbers chosen to not collide with any xterm supported codes
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set_button_text(n - 80, buffer);
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}
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else {
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ansi_noimpl("OSC %d ; %s ST", n, buffer);
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}
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}
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else {
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ansi_warn("BAD OSC: %s", orig_buff);
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apars_show_context();
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}
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}
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