Пример #1
0
/* Execute C0 control sequence. */
int
input_c0_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx	*sctx = &ictx->ctx;
	struct window_pane	*wp = ictx->wp;
	struct screen		*s = sctx->s;

	log_debug("%s: '%c", __func__, ictx->ch);

	switch (ictx->ch) {
	case '\000':	/* NUL */
		break;
	case '\007':	/* BEL */
		wp->window->flags |= WINDOW_BELL;
		break;
	case '\010':	/* BS */
		screen_write_backspace(sctx);
		break;
	case '\011':	/* HT */
		/* Don't tab beyond the end of the line. */
		if (s->cx >= screen_size_x(s) - 1)
			break;

		/* Find the next tab point, or use the last column if none. */
		do {
			s->cx++;
			if (bit_test(s->tabs, s->cx))
				break;
		} while (s->cx < screen_size_x(s) - 1);
		break;
	case '\012':	/* LF */
	case '\013':	/* VT */
	case '\014':	/* FF */
		screen_write_linefeed(sctx, 0);
		break;
	case '\015':	/* CR */
		screen_write_carriagereturn(sctx);
		break;
	case '\016':	/* SO */
		ictx->cell.attr |= GRID_ATTR_CHARSET;
		break;
	case '\017':	/* SI */
		ictx->cell.attr &= ~GRID_ATTR_CHARSET;
		break;
	default:
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		break;
	}

	return (0);
}
Пример #2
0
void
window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
{
	struct window_copy_mode_data	*data = wp->modedata;
	struct screen			*backing = data->backing;
	struct screen_write_ctx	 	 back_ctx, ctx;
	struct grid_cell		 gc;
	int				 utf8flag;
	u_int				 old_hsize;

	if (backing == &wp->base)
		return;

	utf8flag = options_get_number(&wp->window->options, "utf8");
	memcpy(&gc, &grid_default_cell, sizeof gc);

	old_hsize = screen_hsize(data->backing);
	screen_write_start(&back_ctx, NULL, backing);
	if (data->backing_written) {
		/*
		 * On the second or later line, do a CRLF before writing
		 * (so it's on a new line).
		 */
		screen_write_carriagereturn(&back_ctx);
		screen_write_linefeed(&back_ctx, 0);
	} else
		data->backing_written = 1;
	screen_write_vnputs(&back_ctx, 0, &gc, utf8flag, fmt, ap);
	screen_write_stop(&back_ctx);

	data->oy += screen_hsize(data->backing) - old_hsize;

	screen_write_start(&ctx, wp, &data->screen);

	/*
	 * If the history has changed, draw the top line.
	 * (If there's any history at all, it has changed.)
	 */
	if (screen_hsize(data->backing))
		window_copy_redraw_lines(wp, 0, 1);

	/* Write the line, if it's visible. */
	if (backing->cy + data->oy < screen_size_y(backing))
		window_copy_redraw_lines(wp, backing->cy, 1);

	screen_write_stop(&ctx);
}
Пример #3
0
/* Execute escape sequence. */
int
input_esc_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx		*sctx = &ictx->ctx;
	struct screen			*s = sctx->s;
	struct input_table_entry	*entry;

	if (ictx->flags & INPUT_DISCARD)
		return (0);
	log_debug("%s: '%c', %s", __func__, ictx->ch, ictx->interm_buf);

	entry = bsearch(ictx, input_esc_table, nitems(input_esc_table),
	    sizeof input_esc_table[0], input_table_compare);
	if (entry == NULL) {
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		return (0);
	}

	switch (entry->type) {
	case INPUT_ESC_RIS:
		memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
		memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
		ictx->old_cx = 0;
		ictx->old_cy = 0;

		screen_write_reset(sctx);
		break;
	case INPUT_ESC_IND:
		screen_write_linefeed(sctx, 0);
		break;
	case INPUT_ESC_NEL:
		screen_write_carriagereturn(sctx);
		screen_write_linefeed(sctx, 0);
		break;
	case INPUT_ESC_HTS:
		if (s->cx < screen_size_x(s))
			bit_set(s->tabs, s->cx);
		break;
	case INPUT_ESC_RI:
		screen_write_reverseindex(sctx);
		break;
	case INPUT_ESC_DECKPAM:
		screen_write_mode_set(sctx, MODE_KKEYPAD);
		break;
	case INPUT_ESC_DECKPNM:
		screen_write_mode_clear(sctx, MODE_KKEYPAD);
		break;
	case INPUT_ESC_DECSC:
		memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
		ictx->old_cx = s->cx;
		ictx->old_cy = s->cy;
		break;
	case INPUT_ESC_DECRC:
		memcpy(&ictx->cell, &ictx->old_cell, sizeof ictx->cell);
		screen_write_cursormove(sctx, ictx->old_cx, ictx->old_cy);
		break;
	case INPUT_ESC_DECALN:
		screen_write_alignmenttest(sctx);
		break;
	case INPUT_ESC_SCSON_G0:
		/*
		 * Not really supported, but fake it up enough for those that
		 * use it to switch character sets (by redefining G0 to
		 * graphics set, rather than switching to G1).
		 */
		ictx->cell.attr &= ~GRID_ATTR_CHARSET;
		break;
	case INPUT_ESC_SCSOFF_G0:
		ictx->cell.attr |= GRID_ATTR_CHARSET;
		break;
	}

	return (0);
}
Пример #4
0
/* Execute control sequence. */
int
input_csi_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx	       *sctx = &ictx->ctx;
	struct window_pane	       *wp = ictx->wp;
	struct screen		       *s = sctx->s;
	struct input_table_entry       *entry;
	int			 	n, m;

	if (ictx->flags & INPUT_DISCARD)
		return (0);
	if (input_split(ictx) != 0)
		return (0);
	log_debug("%s: '%c' \"%s\" \"%s\"",
	    __func__, ictx->ch, ictx->interm_buf, ictx->param_buf);

	entry = bsearch(ictx, input_csi_table, nitems(input_csi_table),
	    sizeof input_csi_table[0], input_table_compare);
	if (entry == NULL) {
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		return (0);
	}

	switch (entry->type) {
	case INPUT_CSI_CBT:
		/* Find the previous tab point, n times. */
		n = input_get(ictx, 0, 1, 1);
		while (s->cx > 0 && n-- > 0) {
			do
				s->cx--;
			while (s->cx > 0 && !bit_test(s->tabs, s->cx));
		}
		break;
	case INPUT_CSI_CUB:
		screen_write_cursorleft(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUD:
		screen_write_cursordown(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUF:
		screen_write_cursorright(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUP:
		n = input_get(ictx, 0, 1, 1);
		m = input_get(ictx, 1, 1, 1);
		screen_write_cursormove(sctx, m - 1, n - 1);
		break;
	case INPUT_CSI_CUU:
		screen_write_cursorup(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CNL:
		screen_write_carriagereturn(sctx);
		screen_write_cursordown(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CPL:
		screen_write_carriagereturn(sctx);
		screen_write_cursorup(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DA:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			input_reply(ictx, "\033[?1;2c");
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_DA_TWO:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			input_reply(ictx, "\033[>0;95;0c");
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_ECH:
		screen_write_clearcharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DCH:
		screen_write_deletecharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DECSTBM:
		n = input_get(ictx, 0, 1, 1);
		m = input_get(ictx, 1, 1, screen_size_y(s));
		screen_write_scrollregion(sctx, n - 1, m - 1);
		break;
	case INPUT_CSI_DL:
		screen_write_deleteline(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DSR:
		switch (input_get(ictx, 0, 0, 0)) {
		case 5:
			input_reply(ictx, "\033[0n");
			break;
		case 6:
			input_reply(ictx, "\033[%u;%uR", s->cy + 1, s->cx + 1);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_ED:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			screen_write_clearendofscreen(sctx);
			break;
		case 1:
			screen_write_clearstartofscreen(sctx);
			break;
		case 2:
			screen_write_clearscreen(sctx);
			break;
		case 3:
			switch (input_get(ictx, 1, 0, 0)) {
			case 0:
				/*
				 * Linux console extension to clear history
				 * (for example before locking the screen).
				 */
				screen_write_clearhistory(sctx);
				break;
			}
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_EL:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			screen_write_clearendofline(sctx);
			break;
		case 1:
			screen_write_clearstartofline(sctx);
			break;
		case 2:
			screen_write_clearline(sctx);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_HPA:
		n = input_get(ictx, 0, 1, 1);
		screen_write_cursormove(sctx, n - 1, s->cy);
		break;
	case INPUT_CSI_ICH:
		screen_write_insertcharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_IL:
		screen_write_insertline(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_RCP:
		memcpy(&ictx->cell, &ictx->old_cell, sizeof ictx->cell);
		screen_write_cursormove(sctx, ictx->old_cx, ictx->old_cy);
		break;
	case INPUT_CSI_RM:
		switch (input_get(ictx, 0, 0, -1)) {
		case 4:		/* IRM */
			screen_write_mode_clear(&ictx->ctx, MODE_INSERT);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_RM_PRIVATE:
		switch (input_get(ictx, 0, 0, -1)) {
		case 1:		/* GATM */
			screen_write_mode_clear(&ictx->ctx, MODE_KCURSOR);
			break;
		case 3:		/* DECCOLM */
			screen_write_cursormove(&ictx->ctx, 0, 0);
			screen_write_clearscreen(&ictx->ctx);
			break;
		case 7:		/* DECAWM */
			screen_write_mode_clear(&ictx->ctx, MODE_WRAP);
			break;
		case 25:	/* TCEM */
			screen_write_mode_clear(&ictx->ctx, MODE_CURSOR);
			break;
		case 1000:
		case 1001:
		case 1002:
		case 1003:
			screen_write_mode_clear(&ictx->ctx, ALL_MOUSE_MODES);
			break;
		case 1004:
			wp->focus_notify &= ~PANE_FOCUS_NOTIFY;
			break;
		case 1005:
			screen_write_mode_clear(&ictx->ctx, MODE_MOUSE_UTF8);
			break;
		case 1006:
			screen_write_mode_clear(&ictx->ctx, MODE_MOUSE_SGR);
			break;
		case 47:
		case 1047:
			window_pane_alternate_off(wp, &ictx->cell, 0);
			break;
		case 1049:
			window_pane_alternate_off(wp, &ictx->cell, 1);
			break;
		case 2004:
			screen_write_mode_clear(&ictx->ctx, MODE_BRACKETPASTE);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_SCP:
		memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
		ictx->old_cx = s->cx;
		ictx->old_cy = s->cy;
		break;
	case INPUT_CSI_SGR:
		input_csi_dispatch_sgr(ictx);
		break;
	case INPUT_CSI_SM:
		switch (input_get(ictx, 0, 0, -1)) {
		case 4:		/* IRM */
			screen_write_mode_set(&ictx->ctx, MODE_INSERT);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_SM_PRIVATE:
		switch (input_get(ictx, 0, 0, -1)) {
		case 1:		/* GATM */
			screen_write_mode_set(&ictx->ctx, MODE_KCURSOR);
			break;
		case 3:		/* DECCOLM */
			screen_write_cursormove(&ictx->ctx, 0, 0);
			screen_write_clearscreen(&ictx->ctx);
			break;
		case 7:		/* DECAWM */
			screen_write_mode_set(&ictx->ctx, MODE_WRAP);
			break;
		case 25:	/* TCEM */
			screen_write_mode_set(&ictx->ctx, MODE_CURSOR);
			break;
		case 1000:
			screen_write_mode_clear(&ictx->ctx, ALL_MOUSE_MODES);
			screen_write_mode_set(&ictx->ctx, MODE_MOUSE_STANDARD);
			break;
		case 1002:
			screen_write_mode_clear(&ictx->ctx, ALL_MOUSE_MODES);
			screen_write_mode_set(&ictx->ctx, MODE_MOUSE_BUTTON);
			break;
		case 1003:
			screen_write_mode_clear(&ictx->ctx, ALL_MOUSE_MODES);
			screen_write_mode_set(&ictx->ctx, MODE_MOUSE_ANY);
			break;
		case 1004:
			wp->focus_notify |= PANE_FOCUS_NOTIFY;
			break;
		case 1005:
			screen_write_mode_set(&ictx->ctx, MODE_MOUSE_UTF8);
			break;
		case 1006:
			screen_write_mode_set(&ictx->ctx, MODE_MOUSE_SGR);
			break;
		case 47:
		case 1047:
			window_pane_alternate_on(wp, &ictx->cell, 0);
			break;
		case 1049:
			window_pane_alternate_on(wp, &ictx->cell, 1);
			break;
		case 2004:
			screen_write_mode_set(&ictx->ctx, MODE_BRACKETPASTE);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_TBC:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			if (s->cx < screen_size_x(s))
				bit_clear(s->tabs, s->cx);
			break;
		case 3:
			bit_nclear(s->tabs, 0, screen_size_x(s) - 1);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_VPA:
		n = input_get(ictx, 0, 1, 1);
		screen_write_cursormove(sctx, s->cx, n - 1);
		break;
	case INPUT_CSI_DECSCUSR:
		n = input_get(ictx, 0, 0, 0);
		screen_set_cursor_style(s, n);
		break;
	}

	return (0);
}
Пример #5
0
/* Execute control sequence. */
int
input_csi_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx	       *sctx = &ictx->ctx;
	struct screen		       *s = sctx->s;
	struct input_table_entry       *entry;
	int			 	n, m;

	if (ictx->flags & INPUT_DISCARD)
		return (0);
	if (input_split(ictx) != 0)
		return (0);
	log_debug("%s: '%c' \"%s\" \"%s\"",
	    __func__, ictx->ch, ictx->interm_buf, ictx->param_buf);

	entry = bsearch(ictx, input_csi_table, nitems(input_csi_table),
	    sizeof input_csi_table[0], input_table_compare);
	if (entry == NULL) {
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		return (0);
	}

	switch (entry->type) {
	case INPUT_CSI_CBT:
		/* Find the previous tab point, n times. */
		n = input_get(ictx, 0, 1, 1);
		while (s->cx > 0 && n-- > 0) {
			do
				s->cx--;
			while (s->cx > 0 && !bit_test(s->tabs, s->cx));
		}
		break;
	case INPUT_CSI_CUB:
		screen_write_cursorleft(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUD:
		screen_write_cursordown(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUF:
		screen_write_cursorright(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CUP:
		n = input_get(ictx, 0, 1, 1);
		m = input_get(ictx, 1, 1, 1);
		screen_write_cursormove(sctx, m - 1, n - 1);
		break;
	case INPUT_CSI_CUU:
		screen_write_cursorup(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CNL:
		screen_write_carriagereturn(sctx);
		screen_write_cursordown(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_CPL:
		screen_write_carriagereturn(sctx);
		screen_write_cursorup(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DA:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			input_reply(ictx, "\033[?1;2c");
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_DA_TWO:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			input_reply(ictx, "\033[>0;95;0c");
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_ECH:
		screen_write_clearcharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DCH:
		screen_write_deletecharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DECSTBM:
		n = input_get(ictx, 0, 1, 1);
		m = input_get(ictx, 1, 1, screen_size_y(s));
		screen_write_scrollregion(sctx, n - 1, m - 1);
		break;
	case INPUT_CSI_DL:
		screen_write_deleteline(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_DSR:
		switch (input_get(ictx, 0, 0, 0)) {
		case 5:
			input_reply(ictx, "\033[0n");
			break;
		case 6:
			input_reply(ictx, "\033[%u;%uR", s->cy + 1, s->cx + 1);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_ED:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			screen_write_clearendofscreen(sctx);
			break;
		case 1:
			screen_write_clearstartofscreen(sctx);
			break;
		case 2:
			screen_write_clearscreen(sctx);
			break;
		case 3:
			switch (input_get(ictx, 1, 0, 0)) {
			case 0:
				/*
				 * Linux console extension to clear history
				 * (for example before locking the screen).
				 */
				screen_write_clearhistory(sctx);
				break;
			}
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_EL:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			screen_write_clearendofline(sctx);
			break;
		case 1:
			screen_write_clearstartofline(sctx);
			break;
		case 2:
			screen_write_clearline(sctx);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_HPA:
		n = input_get(ictx, 0, 1, 1);
		screen_write_cursormove(sctx, n - 1, s->cy);
		break;
	case INPUT_CSI_ICH:
		screen_write_insertcharacter(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_IL:
		screen_write_insertline(sctx, input_get(ictx, 0, 1, 1));
		break;
	case INPUT_CSI_RCP:
		memcpy(&ictx->cell, &ictx->old_cell, sizeof ictx->cell);
		screen_write_cursormove(sctx, ictx->old_cx, ictx->old_cy);
		break;
	case INPUT_CSI_RM:
		input_csi_dispatch_rm(ictx);
		break;
	case INPUT_CSI_RM_PRIVATE:
		input_csi_dispatch_rm_private(ictx);
		break;
	case INPUT_CSI_SCP:
		memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
		ictx->old_cx = s->cx;
		ictx->old_cy = s->cy;
		break;
	case INPUT_CSI_SGR:
		input_csi_dispatch_sgr(ictx);
		break;
	case INPUT_CSI_SM:
		input_csi_dispatch_sm(ictx);
		break;
	case INPUT_CSI_SM_PRIVATE:
		input_csi_dispatch_sm_private(ictx);
		break;
	case INPUT_CSI_TBC:
		switch (input_get(ictx, 0, 0, 0)) {
		case 0:
			if (s->cx < screen_size_x(s))
				bit_clear(s->tabs, s->cx);
			break;
		case 3:
			bit_nclear(s->tabs, 0, screen_size_x(s) - 1);
			break;
		default:
			log_debug("%s: unknown '%c'", __func__, ictx->ch);
			break;
		}
		break;
	case INPUT_CSI_VPA:
		n = input_get(ictx, 0, 1, 1);
		screen_write_cursormove(sctx, s->cx, n - 1);
		break;
	case INPUT_CSI_DECSCUSR:
		n = input_get(ictx, 0, 0, 0);
		screen_set_cursor_style(s, n);
		break;
	}

	return (0);
}
Пример #6
0
/* Execute escape sequence. */
int
input_esc_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx		*sctx = &ictx->ctx;
	struct screen			*s = sctx->s;
	struct input_table_entry	*entry;

	if (ictx->flags & INPUT_DISCARD)
		return (0);
	log_debug("%s: '%c', %s", __func__, ictx->ch, ictx->interm_buf);

	entry = bsearch(ictx, input_esc_table, nitems(input_esc_table),
	    sizeof input_esc_table[0], input_table_compare);
	if (entry == NULL) {
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		return (0);
	}

	switch (entry->type) {
	case INPUT_ESC_RIS:
		input_reset_cell(ictx);
		screen_write_reset(sctx);
		break;
	case INPUT_ESC_IND:
		screen_write_linefeed(sctx, 0);
		break;
	case INPUT_ESC_NEL:
		screen_write_carriagereturn(sctx);
		screen_write_linefeed(sctx, 0);
		break;
	case INPUT_ESC_HTS:
		if (s->cx < screen_size_x(s))
			bit_set(s->tabs, s->cx);
		break;
	case INPUT_ESC_RI:
		screen_write_reverseindex(sctx);
		break;
	case INPUT_ESC_DECKPAM:
		screen_write_mode_set(sctx, MODE_KKEYPAD);
		break;
	case INPUT_ESC_DECKPNM:
		screen_write_mode_clear(sctx, MODE_KKEYPAD);
		break;
	case INPUT_ESC_DECSC:
		memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
		ictx->old_cx = s->cx;
		ictx->old_cy = s->cy;
		break;
	case INPUT_ESC_DECRC:
		memcpy(&ictx->cell, &ictx->old_cell, sizeof ictx->cell);
		screen_write_cursormove(sctx, ictx->old_cx, ictx->old_cy);
		break;
	case INPUT_ESC_DECALN:
		screen_write_alignmenttest(sctx);
		break;
	case INPUT_ESC_SCSG0_ON:
		ictx->cell.g0set = 1;
		break;
	case INPUT_ESC_SCSG0_OFF:
		ictx->cell.g0set = 0;
		break;
	case INPUT_ESC_SCSG1_ON:
		ictx->cell.g1set = 1;
		break;
	case INPUT_ESC_SCSG1_OFF:
		ictx->cell.g1set = 0;
		break;
	}

	return (0);
}
Пример #7
0
/* Execute C0 control sequence. */
int
input_c0_dispatch(struct input_ctx *ictx)
{
	struct screen_write_ctx	*sctx = &ictx->ctx;
	struct window_pane	*wp = ictx->wp;
	struct screen		*s = sctx->s;
	u_int			 trigger;

	log_debug("%s: '%c", __func__, ictx->ch);

	switch (ictx->ch) {
	case '\000':	/* NUL */
		break;
	case '\007':	/* BEL */
		wp->window->flags |= WINDOW_BELL;
		break;
	case '\010':	/* BS */
		screen_write_backspace(sctx);
		goto count_c0;
	case '\011':	/* HT */
		/* Don't tab beyond the end of the line. */
		if (s->cx >= screen_size_x(s) - 1)
			break;

		/* Find the next tab point, or use the last column if none. */
		do {
			s->cx++;
			if (bit_test(s->tabs, s->cx))
				break;
		} while (s->cx < screen_size_x(s) - 1);
		break;
	case '\012':	/* LF */
	case '\013':	/* VT */
	case '\014':	/* FF */
		screen_write_linefeed(sctx, 0);
		goto count_c0;
	case '\015':	/* CR */
		screen_write_carriagereturn(sctx);
		goto count_c0;
	case '\016':	/* SO */
		ictx->cell.set = 1;
		break;
	case '\017':	/* SI */
		ictx->cell.set = 0;
		break;
	default:
		log_debug("%s: unknown '%c'", __func__, ictx->ch);
		break;
	}

	return (0);

count_c0:
	trigger = options_get_number(&wp->window->options, "c0-change-trigger");
	if (trigger != 0 && ++wp->changes >= trigger) {
		wp->flags |= PANE_DROP;
		window_pane_timer_start(wp);
	}

	return (0);
}