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/* $OpenBSD: modes.c,v 1.4 2001/01/29 01:58:09 niklas Exp $ */
/*
* Commands to toggle modes. Without an argument, these functions will
* toggle the given mode. A negative or zero argument will turn the mode
* off. A positive argument will turn the mode on.
*/
#include "def.h"
#include "kbd.h"
static int changemode __P((int, int, char *));
int defb_nmodes = 0;
MAPS *defb_modes[PBMODES] = { &map_table[0] };
int defb_flag = 0;
static int
changemode(f, n, mode)
int f, n;
char *mode;
{
int i;
MAPS *m;
if ((m = name_mode(mode)) == NULL) {
ewprintf("Can't find mode %s", mode);
return FALSE;
}
if (!(f & FFARG)) {
for (i = 0; i <= curbp->b_nmodes; i++)
if (curbp->b_modes[i] == m) {
/* mode already set */
n = 0;
break;
}
}
if (n > 0) {
for (i = 0; i <= curbp->b_nmodes; i++)
if (curbp->b_modes[i] == m)
/* mode already set */
return TRUE;
if (curbp->b_nmodes >= PBMODES - 1) {
ewprintf("Too many modes");
return FALSE;
}
curbp->b_modes[++(curbp->b_nmodes)] = m;
} else {
/* fundamental is b_modes[0] and can't be unset */
for (i = 1; i <= curbp->b_nmodes && m != curbp->b_modes[i];
i++);
if (i > curbp->b_nmodes)
return TRUE; /* mode wasn't set */
for (; i < curbp->b_nmodes; i++)
curbp->b_modes[i] = curbp->b_modes[i + 1];
curbp->b_nmodes--;
}
upmodes(curbp);
return TRUE;
}
int
indentmode(f, n)
int f, n;
{
return changemode(f, n, "indent");
}
int
fillmode(f, n)
int f, n;
{
return changemode(f, n, "fill");
}
/*
* Fake the GNU "blink-matching-paren" variable.
*/
int
blinkparen(f, n)
int f, n;
{
return changemode(f, n, "blink");
}
#ifdef NOTAB
int
notabmode(f, n)
int f, n;
{
if (changemode(f, n, "notab") == FALSE)
return FALSE;
if (f & FFARG) {
if (n <= 0)
curbp->b_flag &= ~BFNOTAB;
else
curbp->b_flag |= BFNOTAB;
} else
curbp->b_flag ^= BFNOTAB;
return TRUE;
}
#endif /* NOTAB */
int
overwrite(f, n)
int f, n;
{
if (changemode(f, n, "overwrite") == FALSE)
return FALSE;
if (f & FFARG) {
if (n <= 0)
curbp->b_flag &= ~BFOVERWRITE;
else
curbp->b_flag |= BFOVERWRITE;
} else
curbp->b_flag ^= BFOVERWRITE;
return TRUE;
}
int
set_default_mode(f, n)
int f, n;
{
int i;
MAPS *m;
char mode[32];
if (eread("Set Default Mode: ", mode, 32, EFNEW) != TRUE)
return ABORT;
if ((m = name_mode(mode)) == NULL) {
ewprintf("can't find mode %s", mode);
return FALSE;
}
if (!(f & FFARG)) {
for (i = 0; i <= defb_nmodes; i++)
if (defb_modes[i] == m) {
/* mode already set */
n = 0;
break;
}
}
if (n > 0) {
for (i = 0; i <= defb_nmodes; i++)
if (defb_modes[i] == m)
/* mode already set */
return TRUE;
if (defb_nmodes >= PBMODES - 1) {
ewprintf("Too many modes");
return FALSE;
}
defb_modes[++defb_nmodes] = m;
} else {
/* fundamental is defb_modes[0] and can't be unset */
for (i = 1; i <= defb_nmodes && m != defb_modes[i]; i++);
if (i > defb_nmodes)
/* mode was not set */
return TRUE;
for (; i < defb_nmodes; i++)
defb_modes[i] = defb_modes[i + 1];
defb_nmodes--;
}
if (strcmp(mode, "overwrite") == 0) {
if (n <= 0)
defb_flag &= ~BFOVERWRITE;
else
defb_flag |= BFOVERWRITE;
}
#ifdef NOTAB
if (strcmp(mode, "notab") == 0)
if (n <= 0)
defb_flag &= ~BFNOTAB;
else
defb_flag |= BFNOTAB;
#endif /* NOTAB */
return TRUE;
}
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