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-rw-r--r--mbbsd/io.c241
1 files changed, 94 insertions, 147 deletions
diff --git a/mbbsd/io.c b/mbbsd/io.c
index 9e59c099..7b343b29 100644
--- a/mbbsd/io.c
+++ b/mbbsd/io.c
@@ -678,36 +678,33 @@ int
oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
{
register int ch, i;
- int clen;
- int x = col, y = line;
- int dirty_line = 0; /* if this line contains ansi escapes,
- we have to dirty entire line. */
+ int clen, lprompt = 0;
+ int cx = col, cy = line;
static char lastcmd[MAXLASTCMD][80];
- unsigned char occupy_msg = 0;
+ unsigned char occupy_msg = 0;
#ifdef DBCSAWARE
unsigned int dbcsincomplete = 0;
#endif
strip_ansi(buf, buf, STRIP_ALL);
+ if (prompt)
+ {
+ lprompt = strlen_noansi(prompt);
+ cx += lprompt;
+ }
if(line == b_lines-msg_occupied)
occupy_msg=1, msg_occupied ++;
- if (prompt) {
- x += strip_ansi(NULL, prompt, STRIP_ALL);
- if(strlen(prompt) + col != x)
- dirty_line = 1;
-
- if(!echo || !dirty_line)
- {
- move(line, col);
- clrtoeol();
- outs(prompt);
- }
- }
+ // workaround poor terminal
+ move_ansi(line, col);
+ getyx(&line, &col);
+ // (line, col) are real starting address
+
if (!echo) {
+ if (prompt) outs(prompt);
len--;
clen = 0;
while ((ch = igetch()) != '\r') {
@@ -720,9 +717,11 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
continue;
}
if (ch>=0x100 || !isprint(ch)) {
+ bell();
continue;
}
if (clen >= len) {
+ bell();
continue;
}
buf[clen++] = ch;
@@ -738,165 +737,116 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
buf[len] = '\0';
clen = currchar = strlen(buf);
- if(!dirty_line)
- {
- standout();
- for(i=0; i<=len; i++)
- outc(' ');
- standend();
- move(y, x);
- edit_outs(buf);
- }
-
while (1) {
- assert(0<=clen);
- if(dirty_line) {
- move(line, col);
- clrtoeol();
- outs(prompt);
- standout();
- for(i=0; i<=len; i++)
- {
- if(i < clen)
- outc(buf[i]);
- else
- outc(' ');
- }
- // edit_outs(buf);
- standend();
- }
- move(y, x + currchar);
+ // refresh from prompt
+ move(line, col); outc(' '); move(line, col); clrtoeol();
+ if (prompt) outs(prompt);
+
+ outs(ANSI_COLOR(7));
+ outs(buf);
+ for(i=clen; i<=len; i++)
+ outc(' ');
+ outs(ANSI_RESET);
+ move(cy, cx + currchar);
if ((ch = igetch()) == '\r')
break;
- assert(0<=clen);
+
switch (ch) {
- case KEY_DOWN: case Ctrl('N'):
- case KEY_UP: case Ctrl('P'):
- strlcpy(lastcmd[cmdpos], buf, sizeof(lastcmd[0]));
- if (ch == KEY_UP || ch == Ctrl('P'))
- cmdpos++;
- else
- cmdpos += MAXLASTCMD - 1;
- cmdpos %= MAXLASTCMD;
- strlcpy(buf, lastcmd[cmdpos], len+1);
+ case Ctrl('A'):
+ case KEY_HOME:
+ currchar = 0;
+ break;
- if(!dirty_line)
- {
- move(y, x); /* clrtoeof */
- for (i = 0; i <= clen; i++)
- outc(' ');
- move(y, x);
- edit_outs(buf);
- }
- clen = currchar = strlen(buf);
+ case Ctrl('E'):
+ case KEY_END:
+ currchar = clen;
+ break;
+
+ case KEY_UNKNOWN:
break;
+
case KEY_LEFT:
- if (currchar > 0)
- {
- --currchar;
+ if (currchar <= 0)
+ break;
+ --currchar;
#ifdef DBCSAWARE
- if(currchar > 0 &&
- ISDBCSAWARE() &&
- getDBCSstatus((unsigned char*)buf, currchar) == DBCS_TRAILING)
- currchar --;
+ if(currchar > 0 && ISDBCSAWARE() &&
+ getDBCSstatus((unsigned char*)buf, currchar) == DBCS_TRAILING)
+ currchar --;
#endif
- }
- assert(0<=clen);
break;
+
case KEY_RIGHT:
- if (buf[currchar])
- {
- ++currchar;
+ if (!buf[currchar])
+ break;
+ ++currchar;
#ifdef DBCSAWARE
- if(buf[currchar] &&
- ISDBCSAWARE() &&
- getDBCSstatus((unsigned char*)buf, currchar) == DBCS_TRAILING)
- currchar++;
+ if(buf[currchar] && ISDBCSAWARE() &&
+ getDBCSstatus((unsigned char*)buf, currchar) == DBCS_TRAILING)
+ currchar++;
#endif
- }
- assert(0<=clen);
break;
- case '\177':
- case Ctrl('H'):
- if (currchar) {
-#ifdef DBCSAWARE
- int dbcs_off = 1;
- if (ISDBCSAWARE() &&
- getDBCSstatus((unsigned char*)buf, currchar-1) == DBCS_TRAILING)
- dbcs_off = 2;
-#endif
- currchar -= dbcs_off;
- clen -= dbcs_off;
- for (i = currchar; i <= clen; i++)
- buf[i] = buf[i + dbcs_off];
- if(!dirty_line)
- {
- move(y, x + clen);
- outc(' ');
-#ifdef DBCSAWARE
- while(--dbcs_off > 0) outc(' ');
-#endif
- move(y, x);
- edit_outs(buf);
- }
- }
- break;
case Ctrl('Y'):
currchar = 0;
case Ctrl('K'):
/* we shoud be able to avoid DBCS issues in ^K mode */
buf[currchar] = '\0';
- if(!dirty_line)
+ clen = currchar;
+ break;
+
+ case KEY_DOWN: case Ctrl('N'):
+ case KEY_UP: case Ctrl('P'):
+ strlcpy(lastcmd[cmdpos], buf, sizeof(lastcmd[0]));
+ if (ch == KEY_UP || ch == Ctrl('P'))
+ cmdpos++;
+ else
+ cmdpos += MAXLASTCMD - 1;
+ cmdpos %= MAXLASTCMD;
+ strlcpy(buf, lastcmd[cmdpos], len+1);
+ clen = currchar = strlen(buf);
+ break;
+
+ case '\177':
+ case Ctrl('H'):
+ if (!currchar)
+ break;
+#ifdef DBCSAWARE
+ if (ISDBCSAWARE() && getDBCSstatus((unsigned char*)buf,
+ currchar-1) == DBCS_TRAILING)
{
- move(y, x + currchar);
- for (i = currchar; i < clen; i++)
- outc(' ');
+ memmove(buf+currchar-1, buf+currchar, clen-currchar+1);
+ currchar--, clen--;
}
- clen = currchar;
+#endif
+ memmove(buf+currchar-1, buf+currchar, clen-currchar+1);
+ currchar--, clen--;
break;
+
case Ctrl('D'):
case KEY_DEL:
- if (buf[currchar]) {
-#ifdef DBCSAWARE
- int dbcs_off = 1;
- if (ISDBCSAWARE() && buf[currchar+1] &&
- getDBCSstatus((unsigned char*)buf, currchar+1) == DBCS_TRAILING)
- dbcs_off = 2;
-#endif
- clen -= dbcs_off;
- for (i = currchar; i <= clen; i++)
- buf[i] = buf[i + dbcs_off];
- if(!dirty_line)
- {
- move(y, x + clen);
- outc(' ');
+ if (!buf[currchar])
+ break;
#ifdef DBCSAWARE
- while(--dbcs_off > 0) outc(' ');
-#endif
- move(y, x);
- edit_outs(buf);
- }
+ if (ISDBCSAWARE() && buf[currchar+1] && getDBCSstatus(
+ (unsigned char*)buf, currchar+1) == DBCS_TRAILING)
+ {
+ memmove(buf+currchar, buf+currchar+1, clen-currchar);
+ clen --;
}
+#endif
+ memmove(buf+currchar, buf+currchar+1, clen-currchar);
+ clen --;
break;
- case Ctrl('A'):
- case KEY_HOME:
- currchar = 0;
- break;
- case Ctrl('E'):
- case KEY_END:
- currchar = clen;
- break;
- case KEY_UNKNOWN:
- break;
+
default:
if (echo == NUMECHO && !isdigit(ch))
{
bell();
break;
}
- if (isprint2(ch) && clen < len && x + clen < scr_cols) {
+ if (isprint2(ch) && clen < len && cx + clen < scr_cols) {
#ifdef DBCSAWARE
if(ISDBCSAWARE())
{
@@ -923,11 +873,6 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
for (i = clen + 1; i > currchar; i--)
buf[i] = buf[i - 1];
buf[currchar] = ch;
- if(!dirty_line)
- {
- move(y, x + currchar);
- edit_outs(buf + currchar);
- }
currchar++;
clen++;
}
@@ -942,11 +887,13 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
}
/* why return here? because some code then outs.*/
// outc('\n');
- move(y+1, 0);
+ move(line+1, 0);
refresh();
+
assert(0<=currchar && currchar<=clen);
assert(0<=clen && clen<=len);
}
+
if ((echo == LCECHO) && isupper((int)buf[0]))
buf[0] = tolower(buf[0]);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 05:06:28 +0800