diff options
Diffstat (limited to 'term.c')
-rw-r--r-- | term.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/term.c b/term.c deleted file mode 100644 index 4b583ae..0000000 --- a/term.c +++ /dev/null @@ -1,100 +0,0 @@ -/* Copyright (C) 2018 C. 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 <termios.h> -#include <unistd.h> - -#include "chat.h" - -static bool xterm; - -void termInit(void) { - char *term = getenv("TERM"); - xterm = term && !strncmp(term, "xterm", 5); -} - -void termNoFlow(void) { - struct termios attr; - int error = tcgetattr(STDIN_FILENO, &attr); - if (error) return; - attr.c_iflag &= ~IXON; - attr.c_cc[VDISCARD] = _POSIX_VDISABLE; - tcsetattr(STDIN_FILENO, TCSANOW, &attr); -} - -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 TermFocus: privateMode("1004", set); - break; case TermPaste: privateMode("2004", set); - } -} - -#define T(s, i) ((s) << 8 | (i)) - -enum { Esc = '\33' }; - -enum TermEvent termEvent(char ch) { - static uint state = 0; - switch (T(state, ch)) { - case T(0, Esc): state = 1; return 0; - case T(1, '['): state = 2; return 0; - case T(2, 'I'): state = 0; return TermFocusIn; - case T(2, 'O'): state = 0; return TermFocusOut; - case T(2, '2'): state = 3; return 0; - case T(3, '0'): state = 4; return 0; - case T(4, '0'): state = 5; return 0; - case T(5, '~'): state = 0; return TermPasteStart; - case T(4, '1'): state = 6; return 0; - case T(6, '~'): state = 0; return TermPasteEnd; - default: state = 0; return 0; - } -} - -#ifdef TEST -#include <assert.h> - -static bool testEvent(const char *str, enum TermEvent event) { - enum TermEvent e = TermNone; - for (size_t i = 0; i < strlen(str); ++i) { - if (e) return false; - e = termEvent(str[i]); - } - return (e == event); -} - -int main() { - assert(testEvent("\33[I", TermFocusIn)); - assert(testEvent("\33[O", TermFocusOut)); - assert(testEvent("\33[200~", TermPasteStart)); - assert(testEvent("\33[201~", TermPasteEnd)); -} - -#endif |