[src/trunk]: src/lib/libedit - add literal sequence handling.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/61df3812df1f
branches:  trunk
changeset: 825048:61df3812df1f
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Jun 27 23:23:48 2017 +0000

description:
- add literal sequence handling.

diffstat:

 lib/libedit/refresh.c |  46 +++++++++++++++++++++++++++++++++++-----------
 lib/libedit/refresh.h |   4 +++-
 2 files changed, 38 insertions(+), 12 deletions(-)

diffs (118 lines):

diff -r 6cbf8dcd9eca -r 61df3812df1f lib/libedit/refresh.c
--- a/lib/libedit/refresh.c     Tue Jun 27 23:23:09 2017 +0000
+++ b/lib/libedit/refresh.c     Tue Jun 27 23:23:48 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: refresh.c,v 1.51 2016/05/09 21:46:56 christos Exp $    */
+/*     $NetBSD: refresh.c,v 1.52 2017/06/27 23:23:48 christos Exp $    */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)refresh.c  8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: refresh.c,v 1.51 2016/05/09 21:46:56 christos Exp $");
+__RCSID("$NetBSD: refresh.c,v 1.52 2017/06/27 23:23:48 christos Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -155,6 +155,27 @@
        }
 }
 
+/* re_putc():
+ *     Place the literal string given
+ */
+libedit_private void
+re_putliteral(EditLine *el, const wchar_t *begin, const wchar_t *end)
+{
+       coord_t *cur = &el->el_refresh.r_cursor;
+       wint_t c;
+       int sizeh = el->el_terminal.t_size.h;
+
+       c = literal_add(el, begin, end);
+       if (c == 0)
+               return;
+       el->el_vdisplay[cur->v][cur->h] = c;
+       cur->h += 1;    /* XXX: only for narrow */
+       if (cur->h >= sizeh) {
+               /* assure end of line */
+               el->el_vdisplay[cur->v][sizeh] = '\0';
+               re_nextline(el);
+       }
+}
 
 /* re_putc():
  *     Draw the character given
@@ -162,30 +183,30 @@
 libedit_private void
 re_putc(EditLine *el, wint_t c, int shift)
 {
+       coord_t *cur = &el->el_refresh.r_cursor;
        int i, w = wcwidth(c);
+       int sizeh = el->el_terminal.t_size.h;
+
        ELRE_DEBUG(1, (__F, "printing %5x '%lc'\r\n", c, c));
        if (w == -1)
                w = 0;
 
-       while (shift && (el->el_refresh.r_cursor.h + w > el->el_terminal.t_size.h))
+       while (shift && (cur->h + w > sizeh))
            re_putc(el, ' ', 1);
 
-       el->el_vdisplay[el->el_refresh.r_cursor.v]
-           [el->el_refresh.r_cursor.h] = c;
+       el->el_vdisplay[cur->v][cur->h] = c;
        /* assumes !shift is only used for single-column chars */
        i = w;
        while (--i > 0)
-               el->el_vdisplay[el->el_refresh.r_cursor.v]
-                   [el->el_refresh.r_cursor.h + i] = MB_FILL_CHAR;
+               el->el_vdisplay[cur->v][cur->h + i] = MB_FILL_CHAR;
 
        if (!shift)
                return;
 
-       el->el_refresh.r_cursor.h += w; /* advance to next place */
-       if (el->el_refresh.r_cursor.h >= el->el_terminal.t_size.h) {
+       cur->h += w;    /* advance to next place */
+       if (cur->h >= sizeh) {
                /* assure end of line */
-               el->el_vdisplay[el->el_refresh.r_cursor.v][el->el_terminal.t_size.h]
-                   = '\0';
+               el->el_vdisplay[cur->v][sizeh] = '\0';
                re_nextline(el);
        }
 }
@@ -210,10 +231,13 @@
        ELRE_DEBUG(1, (__F, "el->el_line.buffer = :%ls:\r\n",
            el->el_line.buffer));
 
+       literal_clear(el);
        /* reset the Drawing cursor */
        el->el_refresh.r_cursor.h = 0;
        el->el_refresh.r_cursor.v = 0;
 
+       terminal_move_to_char(el, 0);
+
        /* temporarily draw rprompt to calculate its size */
        prompt_print(el, EL_RPROMPT);
 
diff -r 6cbf8dcd9eca -r 61df3812df1f lib/libedit/refresh.h
--- a/lib/libedit/refresh.h     Tue Jun 27 23:23:09 2017 +0000
+++ b/lib/libedit/refresh.h     Tue Jun 27 23:23:48 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: refresh.h,v 1.10 2016/05/09 21:46:56 christos Exp $    */
+/*     $NetBSD: refresh.h,v 1.11 2017/06/27 23:23:48 christos Exp $    */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -47,6 +47,8 @@
 } el_refresh_t;
 
 libedit_private void   re_putc(EditLine *, wint_t, int);
+libedit_private void   re_putliteral(EditLine *, const wchar_t *,
+    const wchar_t *);
 libedit_private void   re_clear_lines(EditLine *);
 libedit_private void   re_clear_display(EditLine *);
 libedit_private void   re_refresh(EditLine *);