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/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "chat.h"
#define PAIR(a, b) (((short)(a) << 8) | ((short)(b) & 0xFF))
static bool xterm;
void termInit(void) {
char *term = getenv("TERM");
xterm = term && !strncmp(term, "xterm", 5);
}
void termTitle(const char *title) {
if (!xterm) return;
printf("\33]0;%s\33\\", title);
fflush(stdout);
}
static void privateMode(const char *mode, bool set) {
printf("\33[?%s%c", mode, (set ? 'h' : 'l'));
fflush(stdout);
}
void termMode(enum TermMode mode, bool set) {
switch (mode) {
break; case TERM_FOCUS: privateMode("1004", set);
break; case TERM_PASTE: privateMode("2004", set);
}
}
enum TermEvent termEvent(char ch) {
static char state = '\0';
switch (PAIR(state, ch)) {
break; case PAIR('\0', '\33'): state = '\33';
break; case PAIR('\33', '['): state = '[';
break; case PAIR('[', 'I'): state = '\0'; return TERM_FOCUS_IN;
break; case PAIR('[', 'O'): state = '\0'; return TERM_FOCUS_OUT;
break; case PAIR('[', '2'): state = '2';
break; case PAIR('2', '0'): state = '0';
break; case PAIR('0', '0'): state = '0';
break; case PAIR('0', '~'): state = '\0'; return TERM_PASTE_START;
break; case PAIR('0', '1'): state = '1';
break; case PAIR('1', '~'): state = '\0'; return TERM_PASTE_END;
break; default: state = '\0';
}
return TERM_NONE;
}
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