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Implement the new PROMPT_SP option.

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This commit is contained in:
Wayne Davison 2005-07-15 17:41:55 +00:00
parent b1e0d218c5
commit 767e017e1f
1 changed files with 23 additions and 1 deletions
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24
Src/Zle/zle_main.c
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@ -962,8 +962,30 @@ zleread(char **lp, char **rp, int flags, int context)
}
}
initundo();
if (isset(PROMPTCR))
if (isset(PROMPTCR)) {
/* The PROMPT_SP heuristic will move the prompt down to a new line
* if there was any dangling output on the line (assuming the terminal
* has automatic margins, but we try even if hasam isn't set). */
if (isset(PROMPTSP)) {
if (hasxn) /* w/o this, a delayed wrap might be lost by TCRIGHT */
putc(' ', shout);
if (tccan(TCSAVECURSOR)
&& tcmultout(TCRIGHT, TCMULTRIGHT, columns - 3)) {
putc(' ', shout);
putc(' ', shout);
tcout(TCSAVECURSOR);
tcout(TCBACKSPACE);
tcout(TCBACKSPACE);
if (tccan(TCCLEAREOL))
tcout(TCCLEAREOL);
else
tcmultout(TCDEL, TCMULTDEL, 1);
tcout(TCRESTRCURSOR);
} else
fprintf(shout, "%*s", (int)columns - 1, "");
}
putc('\r', shout);
}
if (tmout)
alarm(tmout);
zleactive = 1;