Annotation of src/usr.bin/mg/modes.c, Revision 1.20
1.20 ! bcallah 1: /* $OpenBSD: modes.c,v 1.19 2014/03/20 07:47:29 lum Exp $ */
1.11 kjell 2:
3: /* This file is in the public domain. */
1.4 niklas 4:
1.1 deraadt 5: /*
1.5 mickey 6: * Commands to toggle modes. Without an argument, these functions will
7: * toggle the given mode. A negative or zero argument will turn the mode
1.3 millert 8: * off. A positive argument will turn the mode on.
1.1 deraadt 9: */
1.20 ! bcallah 10:
! 11: #include <sys/queue.h>
! 12: #include <signal.h>
! 13: #include <stdio.h>
! 14: #include <string.h>
1.1 deraadt 15:
16: #include "def.h"
17: #include "kbd.h"
18:
1.17 kjell 19: int changemode(int, int, char *);
1.3 millert 20:
21: int defb_nmodes = 0;
1.13 deraadt 22: struct maps_s *defb_modes[PBMODES] = { &fundamental_mode };
1.3 millert 23: int defb_flag = 0;
1.2 millert 24:
1.17 kjell 25: int
1.8 vincent 26: changemode(int f, int n, char *mode)
1.2 millert 27: {
1.3 millert 28: int i;
1.13 deraadt 29: struct maps_s *m;
1.2 millert 30:
31: if ((m = name_mode(mode)) == NULL) {
1.19 lum 32: dobeep();
1.2 millert 33: ewprintf("Can't find mode %s", mode);
1.10 db 34: return (FALSE);
1.2 millert 35: }
36: if (!(f & FFARG)) {
37: for (i = 0; i <= curbp->b_nmodes; i++)
38: if (curbp->b_modes[i] == m) {
1.3 millert 39: /* mode already set */
40: n = 0;
1.2 millert 41: break;
42: }
43: }
44: if (n > 0) {
45: for (i = 0; i <= curbp->b_nmodes; i++)
46: if (curbp->b_modes[i] == m)
1.3 millert 47: /* mode already set */
1.10 db 48: return (TRUE);
1.2 millert 49: if (curbp->b_nmodes >= PBMODES - 1) {
1.19 lum 50: dobeep();
1.2 millert 51: ewprintf("Too many modes");
1.10 db 52: return (FALSE);
1.2 millert 53: }
54: curbp->b_modes[++(curbp->b_nmodes)] = m;
55: } else {
56: /* fundamental is b_modes[0] and can't be unset */
1.5 mickey 57: for (i = 1; i <= curbp->b_nmodes && m != curbp->b_modes[i];
1.3 millert 58: i++);
1.2 millert 59: if (i > curbp->b_nmodes)
1.10 db 60: return (TRUE); /* mode wasn't set */
1.2 millert 61: for (; i < curbp->b_nmodes; i++)
62: curbp->b_modes[i] = curbp->b_modes[i + 1];
63: curbp->b_nmodes--;
64: }
65: upmodes(curbp);
1.10 db 66: return (TRUE);
1.1 deraadt 67: }
68:
1.3 millert 69: int
1.8 vincent 70: indentmode(int f, int n)
1.1 deraadt 71: {
1.10 db 72: return (changemode(f, n, "indent"));
1.1 deraadt 73: }
74:
1.3 millert 75: int
1.8 vincent 76: fillmode(int f, int n)
1.1 deraadt 77: {
1.10 db 78: return (changemode(f, n, "fill"));
1.1 deraadt 79: }
80:
1.3 millert 81: #ifdef NOTAB
82: int
1.8 vincent 83: notabmode(int f, int n)
1.1 deraadt 84: {
1.2 millert 85: if (changemode(f, n, "notab") == FALSE)
1.10 db 86: return (FALSE);
1.2 millert 87: if (f & FFARG) {
88: if (n <= 0)
89: curbp->b_flag &= ~BFNOTAB;
90: else
91: curbp->b_flag |= BFNOTAB;
92: } else
93: curbp->b_flag ^= BFNOTAB;
1.10 db 94: return (TRUE);
1.1 deraadt 95: }
1.3 millert 96: #endif /* NOTAB */
1.1 deraadt 97:
1.3 millert 98: int
1.15 kjell 99: overwrite_mode(int f, int n)
1.1 deraadt 100: {
1.2 millert 101: if (changemode(f, n, "overwrite") == FALSE)
1.10 db 102: return (FALSE);
1.2 millert 103: if (f & FFARG) {
104: if (n <= 0)
105: curbp->b_flag &= ~BFOVERWRITE;
106: else
107: curbp->b_flag |= BFOVERWRITE;
108: } else
109: curbp->b_flag ^= BFOVERWRITE;
1.10 db 110: return (TRUE);
1.1 deraadt 111: }
112:
1.3 millert 113: int
1.8 vincent 114: set_default_mode(int f, int n)
1.1 deraadt 115: {
1.3 millert 116: int i;
1.13 deraadt 117: struct maps_s *m;
1.16 kjell 118: char modebuf[32], *bufp;
1.2 millert 119:
1.16 kjell 120: if ((bufp = eread("Set Default Mode: ", modebuf, sizeof(modebuf),
1.12 kjell 121: EFNEW)) == NULL)
1.10 db 122: return (ABORT);
1.9 vincent 123: else if (bufp[0] == '\0')
1.10 db 124: return (FALSE);
1.16 kjell 125: if ((m = name_mode(modebuf)) == NULL) {
1.19 lum 126: dobeep();
1.16 kjell 127: ewprintf("can't find mode %s", modebuf);
1.10 db 128: return (FALSE);
1.2 millert 129: }
130: if (!(f & FFARG)) {
131: for (i = 0; i <= defb_nmodes; i++)
132: if (defb_modes[i] == m) {
1.3 millert 133: /* mode already set */
134: n = 0;
1.2 millert 135: break;
136: }
137: }
138: if (n > 0) {
139: for (i = 0; i <= defb_nmodes; i++)
140: if (defb_modes[i] == m)
1.3 millert 141: /* mode already set */
1.10 db 142: return (TRUE);
1.2 millert 143: if (defb_nmodes >= PBMODES - 1) {
1.19 lum 144: dobeep();
1.2 millert 145: ewprintf("Too many modes");
1.10 db 146: return (FALSE);
1.2 millert 147: }
148: defb_modes[++defb_nmodes] = m;
149: } else {
150: /* fundamental is defb_modes[0] and can't be unset */
1.3 millert 151: for (i = 1; i <= defb_nmodes && m != defb_modes[i]; i++);
1.2 millert 152: if (i > defb_nmodes)
1.3 millert 153: /* mode was not set */
1.10 db 154: return (TRUE);
1.2 millert 155: for (; i < defb_nmodes; i++)
156: defb_modes[i] = defb_modes[i + 1];
157: defb_nmodes--;
158: }
1.16 kjell 159: if (strcmp(modebuf, "overwrite") == 0) {
1.5 mickey 160: if (n <= 0)
1.2 millert 161: defb_flag &= ~BFOVERWRITE;
1.5 mickey 162: else
1.2 millert 163: defb_flag |= BFOVERWRITE;
1.3 millert 164: }
1.1 deraadt 165: #ifdef NOTAB
1.16 kjell 166: if (strcmp(modebuf, "notab") == 0) {
1.2 millert 167: if (n <= 0)
168: defb_flag &= ~BFNOTAB;
169: else
170: defb_flag |= BFNOTAB;
1.14 kjell 171: }
1.3 millert 172: #endif /* NOTAB */
1.10 db 173: return (TRUE);
1.1 deraadt 174: }
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