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fix another cursor positioning glitch (cause for \b at x_col == 0)

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This commit is contained in:
tg 2006-11-05 19:48:58 +00:00
parent b03ed7b315
commit a3331fd8e9
1 changed files with 13 additions and 2 deletions
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15
edit.c
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@ -5,7 +5,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.52 2006/11/05 19:35:52 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.53 2006/11/05 19:48:58 tg Exp $");
/* tty driver characters we are interested in */
typedef struct {
@ -1924,7 +1924,12 @@ x_goto(char *cp)
D("A1");
if (cp > xep)
D(" cp > xep ");
D("A2");
D("A2 xbp=%td xcp=%td tgp=%td ", xbp-xbuf, xcp-xbuf, cp-xbuf);
if (Flag(FUTFHACK))
while ((cp > xbuf) && ((*cp & 0xC0) == 0x80)) {
--cp;
D("A2a xbp=%td xcp=%td tgp=%td ", xbp-xbuf, xcp-xbuf, cp-xbuf);
}
if (cp < xbp || cp >= utf_getcpfromcols(xbp, x_displen)) {
D("A3");
/* we are heading off screen */
@ -1953,6 +1958,7 @@ x_bs2(char *cp)
int i;
i = x_size2(cp, NULL);
D("M");
while (i--)
x_e_putc2('\b');
}
@ -2430,6 +2436,7 @@ x_redraw(int limit)
i = '<';
x_e_putc2(i);
j++;
D("N");
while (j--)
x_e_putc2('\b');
}
@ -3062,6 +3069,8 @@ x_e_putc2(int c)
if (c == '\r' || c == '\n')
x_col = 0;
if (!x_col && (c == '\b'))
D("O2 ");
if ((x_col < xx_cols) && (x_col || (c != '\b'))) {
if (Flag(FUTFHACK) && (c > 0x7F)) {
char utf_tmp[3];
@ -3104,6 +3113,8 @@ x_e_putc3(const char **cp)
if (c == '\r' || c == '\n')
x_col = 0;
if (!x_col && (c == '\b'))
D("O3 ");
if ((x_col < xx_cols) && (x_col || (c != '\b'))) {
if (Flag(FUTFHACK) && (c > 0x7F)) {
char *cp2;