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/*
* Commands to toggle modes. Without an argument, toggle mode.
* Negitive or zero argument, mode off. Positive argument, mode on.
*/
#include "def.h"
#include "kbd.h"
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;
{
register int i;
MAPS *m;
VOID upmodes();
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) {
n = 0; /* mode already set */
break;
}
}
if(n > 0) {
for(i=0; i <= curbp->b_nmodes; i++)
if(curbp->b_modes[i] == m) return TRUE; /* mode already set */
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;
}
indentmode(f, n)
{
return changemode(f, n, "indent");
}
fillmode(f, n)
{
return changemode(f, n, "fill");
}
/*
* Fake the GNU "blink-matching-paren" variable.
*/
blinkparen(f, n)
{
return changemode(f, n, "blink");
}
#ifdef NOTAB
notabmode(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
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;
}
set_default_mode(f, n)
int f, n;
{
register int i;
register 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) {
n = 0; /* mode already set */
break;
}
}
if(n > 0) {
for(i=0; i <= defb_nmodes; i++)
if(defb_modes[i] == m) return TRUE; /* mode already set */
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) return TRUE; /* mode wasn't set */
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
return TRUE;
}
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