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https://github.com/tuxbox-neutrino/neutrino.git
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ad851bcc06
* add sigc function to collect terminal output * terminal output is collected without escape codes, "text only" * if a newline is seen, each newline starts a new line, * else, some cursor move escape sequences start a new line
104 lines
1.9 KiB
C
104 lines
1.9 KiB
C
/* See LICENSE for licence details. */
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/* function for control character */
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void bs(struct terminal_t *term)
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{
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if (term->mode & MODE_VWBS
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&& term->cursor.x - 1 >= 0
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&& term->cells[term->cursor.y][term->cursor.x - 1].width == NEXT_TO_WIDE)
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move_cursor(term, 0, -2);
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else
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move_cursor(term, 0, -1);
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}
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void tab(struct terminal_t *term)
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{
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int i;
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const char *c = " ";
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term->txt.back().append(c, 1);
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for (i = term->cursor.x + 1; i < term->cols; i++) {
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if (term->tabstop[i]) {
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set_cursor(term, term->cursor.y, i);
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return;
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}
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}
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set_cursor(term, term->cursor.y, term->cols - 1);
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}
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void nl(struct terminal_t *term)
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{
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term->nlseen = true;
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term->txt.push("");
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term->lines_available++;
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move_cursor(term, 1, 0);
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}
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void cr(struct terminal_t *term)
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{
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set_cursor(term, term->cursor.y, 0);
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}
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void enter_esc(struct terminal_t *term)
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{
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term->esc.state = STATE_ESC;
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}
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/* function for escape sequence */
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void save_state(struct terminal_t *term)
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{
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term->state.mode = term->mode & MODE_ORIGIN;
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term->state.cursor = term->cursor;
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term->state.attribute = term->attribute;
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}
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void restore_state(struct terminal_t *term)
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{
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/* restore state */
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if (term->state.mode & MODE_ORIGIN)
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term->mode |= MODE_ORIGIN;
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else
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term->mode &= ~MODE_ORIGIN;
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term->cursor = term->state.cursor;
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term->attribute = term->state.attribute;
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}
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void crnl(struct terminal_t *term)
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{
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cr(term);
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nl(term);
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}
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void set_tabstop(struct terminal_t *term)
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{
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term->tabstop[term->cursor.x] = true;
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}
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void reverse_nl(struct terminal_t *term)
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{
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move_cursor(term, -1, 0);
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}
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void identify(struct terminal_t *term)
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{
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ewrite(term->fd, "\033[?6c", 5); /* "I am a VT102" */
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}
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void enter_csi(struct terminal_t *term)
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{
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term->esc.state = STATE_CSI;
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}
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void enter_osc(struct terminal_t *term)
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{
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term->esc.state = STATE_OSC;
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}
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void enter_dcs(struct terminal_t *term)
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{
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term->esc.state = STATE_DCS;
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}
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void ris(struct terminal_t *term)
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{
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reset(term);
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}
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