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/* $OpenBSD: modes.c,v 1.20 2015/03/19 21:22:15 bcallah Exp $ */ |
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/* This file is in the public domain. */ |
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/* |
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* Commands to toggle modes. Without an argument, these functions will |
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* toggle the given mode. A negative or zero argument will turn the mode |
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* off. A positive argument will turn the mode on. |
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*/ |
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#include <sys/queue.h> |
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#include <signal.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include "def.h" |
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#include "kbd.h" |
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int changemode(int, int, char *); |
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int defb_nmodes = 0; |
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struct maps_s *defb_modes[PBMODES] = { &fundamental_mode }; |
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int defb_flag = 0; |
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int |
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changemode(int f, int n, char *mode) |
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{ |
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int i; |
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struct maps_s *m; |
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if ((m = name_mode(mode)) == NULL) { |
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dobeep(); |
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ewprintf("Can't find mode %s", mode); |
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return (FALSE); |
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} |
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if (!(f & FFARG)) { |
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for (i = 0; i <= curbp->b_nmodes; i++) |
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if (curbp->b_modes[i] == m) { |
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/* mode already set */ |
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n = 0; |
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break; |
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} |
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} |
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if (n > 0) { |
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for (i = 0; i <= curbp->b_nmodes; i++) |
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if (curbp->b_modes[i] == m) |
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/* mode already set */ |
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return (TRUE); |
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if (curbp->b_nmodes >= PBMODES - 1) { |
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dobeep(); |
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ewprintf("Too many modes"); |
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return (FALSE); |
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} |
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curbp->b_modes[++(curbp->b_nmodes)] = m; |
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} else { |
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/* fundamental is b_modes[0] and can't be unset */ |
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for (i = 1; i <= curbp->b_nmodes && m != curbp->b_modes[i]; |
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i++); |
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if (i > curbp->b_nmodes) |
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return (TRUE); /* mode wasn't set */ |
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for (; i < curbp->b_nmodes; i++) |
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curbp->b_modes[i] = curbp->b_modes[i + 1]; |
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curbp->b_nmodes--; |
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} |
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upmodes(curbp); |
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return (TRUE); |
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} |
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int |
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indentmode(int f, int n) |
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{ |
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return (changemode(f, n, "indent")); |
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} |
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int |
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fillmode(int f, int n) |
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{ |
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return (changemode(f, n, "fill")); |
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} |
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#ifdef NOTAB |
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int |
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notabmode(int f, int n) |
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{ |
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if (changemode(f, n, "notab") == FALSE) |
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return (FALSE); |
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if (f & FFARG) { |
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if (n <= 0) |
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curbp->b_flag &= ~BFNOTAB; |
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else |
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curbp->b_flag |= BFNOTAB; |
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} else |
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curbp->b_flag ^= BFNOTAB; |
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return (TRUE); |
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} |
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#endif /* NOTAB */ |
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int |
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overwrite_mode(int f, int n) |
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{ |
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if (changemode(f, n, "overwrite") == FALSE) |
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return (FALSE); |
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if (f & FFARG) { |
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if (n <= 0) |
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curbp->b_flag &= ~BFOVERWRITE; |
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else |
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curbp->b_flag |= BFOVERWRITE; |
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} else |
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curbp->b_flag ^= BFOVERWRITE; |
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return (TRUE); |
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} |
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int |
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set_default_mode(int f, int n) |
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{ |
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int i; |
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struct maps_s *m; |
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char modebuf[32], *bufp; |
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if ((bufp = eread("Set Default Mode: ", modebuf, sizeof(modebuf), |
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EFNEW)) == NULL) |
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return (ABORT); |
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else if (bufp[0] == '\0') |
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return (FALSE); |
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if ((m = name_mode(modebuf)) == NULL) { |
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dobeep(); |
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ewprintf("can't find mode %s", modebuf); |
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return (FALSE); |
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} |
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if (!(f & FFARG)) { |
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for (i = 0; i <= defb_nmodes; i++) |
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if (defb_modes[i] == m) { |
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/* mode already set */ |
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n = 0; |
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break; |
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} |
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} |
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if (n > 0) { |
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for (i = 0; i <= defb_nmodes; i++) |
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if (defb_modes[i] == m) |
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/* mode already set */ |
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return (TRUE); |
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if (defb_nmodes >= PBMODES - 1) { |
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dobeep(); |
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ewprintf("Too many modes"); |
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return (FALSE); |
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} |
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defb_modes[++defb_nmodes] = m; |
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} else { |
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/* fundamental is defb_modes[0] and can't be unset */ |
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for (i = 1; i <= defb_nmodes && m != defb_modes[i]; i++); |
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if (i > defb_nmodes) |
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/* mode was not set */ |
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return (TRUE); |
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for (; i < defb_nmodes; i++) |
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defb_modes[i] = defb_modes[i + 1]; |
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defb_nmodes--; |
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} |
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if (strcmp(modebuf, "overwrite") == 0) { |
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if (n <= 0) |
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defb_flag &= ~BFOVERWRITE; |
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else |
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defb_flag |= BFOVERWRITE; |
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} |
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#ifdef NOTAB |
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if (strcmp(modebuf, "notab") == 0) { |
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if (n <= 0) |
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defb_flag &= ~BFNOTAB; |
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else |
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defb_flag |= BFNOTAB; |
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} |
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#endif /* NOTAB */ |
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return (TRUE); |
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} |