1/*-
2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/teken/teken_subr.h 197115 2009-09-12 10:34:34Z ed $
27 */
28
29static void teken_subr_cursor_up(teken_t *, unsigned int);
30static void teken_subr_erase_line(teken_t *, unsigned int);
31static void teken_subr_regular_character(teken_t *, teken_char_t);
32static void teken_subr_reset_to_initial_state(teken_t *);
33static void teken_subr_save_cursor(teken_t *);
34
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781
782 teken_funcs_putchar(t, tp, c, &t->t_curattr);
783}
784
785static void
786teken_subr_regular_character(teken_t *t, teken_char_t c)
787{
788 int width;
789
790 if (t->t_utf8_left == -1) {
791#ifdef TEKEN_XTERM
792 if (c <= 0x1B)
793 return;
794#endif /* TEKEN_XTERM */
795 width = 1;
796 } else {
797 c = teken_scs_process(t, c);
798 width = teken_wcwidth(c);
799 /* XXX: Don't process zero-width characters yet. */
800 if (width <= 0)
801 return;
802 }
803
804#ifdef TEKEN_XTERM
805 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 &&
806 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) ==
807 (TS_WRAPPED|TS_AUTOWRAP)) {
808 teken_pos_t tp;
809
810 /* Perform line wrapping. */
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2 * Copyright (c) 2008-2009 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/teken/teken_subr.h 197115 2009-09-12 10:34:34Z ed $
27 */
28
29static void teken_subr_cursor_up(teken_t *, unsigned int);
30static void teken_subr_erase_line(teken_t *, unsigned int);
31static void teken_subr_regular_character(teken_t *, teken_char_t);
32static void teken_subr_reset_to_initial_state(teken_t *);
33static void teken_subr_save_cursor(teken_t *);
34
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781
782 teken_funcs_putchar(t, tp, c, &t->t_curattr);
783}
784
785static void
786teken_subr_regular_character(teken_t *t, teken_char_t c)
787{
788 int width;
789
790 if (t->t_utf8_left == -1) {
791#ifdef TEKEN_XTERM
792 if (c <= 0x1B)
793 return;
794#endif /* TEKEN_XTERM */
795 width = 1;
796 } else {
797 c = teken_scs_process(t, c);
798 width = teken_wcwidth(c);
799 /* XXX: Don't process zero-width characters yet. */
800 if (width <= 0)
801 return;
802 }
803
804#ifdef TEKEN_XTERM
805 if (t->t_cursor.tp_col == t->t_winsize.tp_col - 1 &&
806 (t->t_stateflags & (TS_WRAPPED|TS_AUTOWRAP)) ==
807 (TS_WRAPPED|TS_AUTOWRAP)) {
808 teken_pos_t tp;
809
810 /* Perform line wrapping. */
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