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-rw-r--r--ChangeLog5
-rw-r--r--Src/Zle/zle_refresh.c6
-rw-r--r--Src/prompt.c113
3 files changed, 25 insertions, 99 deletions
diff --git a/ChangeLog b/ChangeLog
index 4d1630f00..f697fe2fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2005-10-21 Peter Stephenson <p.w.stephenson@ntlworld.com>
+ * 21906: Src/prompt.c, Src/zle_refresh.c: use modified
+ multibyte truncation code for single byte truncation, fixing
+ a bug with long truncation indicators; remove a couple of
+ outmoded TODOs.
+
* Spotted by Mikael Magnusson, 21905: Doc/Zsh/roadmap.yo: typos.
2005-10-21 Clint Adams <clint@zsh.org>
diff --git a/Src/Zle/zle_refresh.c b/Src/Zle/zle_refresh.c
index 5fa8f644b..1323d9666 100644
--- a/Src/Zle/zle_refresh.c
+++ b/Src/Zle/zle_refresh.c
@@ -413,11 +413,7 @@ snextline(Rparams rpms)
rpms->sen = rpms->s + winw;
}
-/*
- * TODO currently it assumes sceenwidth 1 for every character
- * (except for characters in the prompt which are correctly handled
- * by wcwidth()).
- */
+
/**/
mod_export void
zrefresh(void)
diff --git a/Src/prompt.c b/Src/prompt.c
index 8b3aa531e..fd04cc2d7 100644
--- a/Src/prompt.c
+++ b/Src/prompt.c
@@ -1038,18 +1038,18 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
* Note that if the truncation string is longer than the
* truncation length (twidth > truncwidth), the truncation
* string is used in full.
- *
- * TODO: we don't take account of multibyte characters
- * in the string we're truncating.
*/
char *t = truncstr;
int fullen = bp - ptr;
int twidth, maxwidth;
-#ifdef ZLE_UNICODE_SUPPORT
int ntrunc = strlen(t);
+#ifdef ZLE_UNICODE_SUPPORT
/* Use screen width of string */
twidth = mb_width(t);
+#else
+ twidth = ztrlen(t);
+#endif
if (twidth < truncwidth) {
maxwidth = truncwidth - twidth;
/*
@@ -1110,6 +1110,7 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
fulltextptr++;
}
} else {
+#ifdef ZLE_UNICODE_SUPPORT
/*
* Normal text: build up a multibyte character.
*/
@@ -1143,6 +1144,13 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
remw -= wcwidth(cc);
}
}
+#else
+ /* Single byte character */
+ if (*fulltextptr == Meta)
+ fulltextptr++;
+ fulltextptr++;
+ remw--;
+#endif
}
}
@@ -1170,6 +1178,7 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
for (; *skiptext != Outpar && *skiptext;
skiptext++);
} else {
+#ifdef ZLE_UNICODE_SUPPORT
char inchar;
wchar_t cc;
int ret;
@@ -1194,6 +1203,12 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
maxwidth -= wcwidth(cc);
}
}
+#else
+ if (*skiptext == Meta)
+ skiptext++;
+ skiptext++;
+ maxwidth--;
+#endif
}
}
/*
@@ -1240,96 +1255,6 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar)
bp = ptr;
}
*bp = '\0';
-#else
- twidth = ztrlen(t);
- maxwidth = twidth < truncwidth ? truncwidth - twidth : 0;
- if (w < fullen) {
- /* Invisible substrings, lots of shuffling. */
- int n = strlen(t);
- char *p = ptr, *q = buf;
- addbufspc(n);
- ptr = buf + (p - q); /* addbufspc() may have realloc()'d */
-
- if (truncatleft) {
- p = ptr + n;
- q = p;
-
- /*
- * I don't think we need n and the test below since
- * we must have enough space (we are using a subset
- * of the existing text with no repetition) and the
- * string is null-terminated, so I haven't copied it
- * to the ZLE_UNICODE_SUPPORT section.
- */
- n = fullen - w;
-
- /* Shift the whole string right, then *
- * selectively copy to the left. */
- memmove(p, ptr, fullen);
- while (w > 0 || n > 0) {
- if (*p == Inpar)
- do {
- *q++ = *p;
- --n;
- } while (*p++ != Outpar && *p && n);
- else if (w) {
- if (--w < maxwidth)
- *q++ = *p;
- ++p;
- }
- }
- bp = q;
- } else {
- /* Truncate on the right, selectively */
- q = ptr + fullen;
-
- /* First skip over as much as will "fit". */
- while (w > 0 && maxwidth > 0) {
- if (*ptr == Inpar)
- while (*ptr++ != Outpar && *ptr) {;}
- else
- ++ptr, --w, --maxwidth;
- }
- if (ptr < q) {
- /* We didn't reach the end of the string. *
- * In case there are more invisible bits, *
- * insert the truncstr and keep looking. */
- memmove(ptr + n, ptr, q - ptr);
- q = ptr + n;
- while (*t)
- *ptr++ = *t++;
- while (*q) {
- if (*q == Inpar)
- do {
- *ptr++ = *q;
- } while (*q++ != Outpar && *q);
- else
- ++q;
- }
- bp = ptr;
- *bp = 0;
- } else
- bp = ptr + n;
- }
- } else {
- /* No invisible substrings. */
- if (twidth > fullen) {
- addbufspc(twidth - fullen);
- ptr = bp; /* addbufspc() may have realloc()'d buf */
- bp += twidth - fullen;
- } else
- bp -= fullen - truncwidth;
- if (truncatleft) {
- if (maxwidth)
- memmove(ptr + strlen(t), ptr + fullen - maxwidth,
- maxwidth);
- } else
- ptr += maxwidth;
- }
- /* Finally, copy the truncstr into place. */
- while (*t)
- *ptr++ = *t++;
-#endif
}
zsfree(truncstr);
truncwidth = 0;