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1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: * Copyright (c) 2014 Tiago Cunha <tcunha@users.sourceforge.net>
! 6: *
! 7: * Permission to use, copy, modify, and distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 15: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 16: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 17: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 18: */
! 19:
! 20: #include <string.h>
! 21:
! 22: #include "tmux.h"
! 23:
! 24: /* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". */
! 25: int
! 26: style_parse(const struct grid_cell *defgc, struct grid_cell *gc,
! 27: const char *in)
! 28: {
! 29: const char delimiters[] = " ,";
! 30: char tmp[32];
! 31: int val;
! 32: size_t end;
! 33: u_char fg, bg, attr, flags;
! 34:
! 35: if (*in == '\0')
! 36: return (0);
! 37: if (strchr(delimiters, in[strlen(in) - 1]) != NULL)
! 38: return (-1);
! 39:
! 40: fg = gc->fg;
! 41: bg = gc->bg;
! 42: attr = gc->attr;
! 43: flags = gc->flags;
! 44: do {
! 45: end = strcspn(in, delimiters);
! 46: if (end > (sizeof tmp) - 1)
! 47: return (-1);
! 48: memcpy(tmp, in, end);
! 49: tmp[end] = '\0';
! 50:
! 51: if (strcasecmp(tmp, "default") == 0) {
! 52: fg = defgc->fg;
! 53: bg = defgc->bg;
! 54: attr = defgc->attr;
! 55: flags &= ~(GRID_FLAG_FG256|GRID_FLAG_BG256);
! 56: flags |=
! 57: defgc->flags & (GRID_FLAG_FG256|GRID_FLAG_BG256);
! 58: } else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
! 59: if ((val = colour_fromstring(tmp + 3)) == -1)
! 60: return (-1);
! 61: if (*in == 'f' || *in == 'F') {
! 62: if (val != 8) {
! 63: if (val & 0x100) {
! 64: flags |= GRID_FLAG_FG256;
! 65: val &= ~0x100;
! 66: } else
! 67: flags &= ~GRID_FLAG_FG256;
! 68: fg = val;
! 69: } else {
! 70: fg = defgc->fg;
! 71: flags &= ~GRID_FLAG_FG256;
! 72: flags |= defgc->flags & GRID_FLAG_FG256;
! 73: }
! 74: } else if (*in == 'b' || *in == 'B') {
! 75: if (val != 8) {
! 76: if (val & 0x100) {
! 77: flags |= GRID_FLAG_BG256;
! 78: val &= ~0x100;
! 79: } else
! 80: flags &= ~GRID_FLAG_BG256;
! 81: bg = val;
! 82: } else {
! 83: bg = defgc->bg;
! 84: flags &= ~GRID_FLAG_BG256;
! 85: flags |= defgc->flags & GRID_FLAG_BG256;
! 86: }
! 87: } else
! 88: return (-1);
! 89: } else if (strcasecmp(tmp, "none") == 0)
! 90: attr = 0;
! 91: else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
! 92: if ((val = attributes_fromstring(tmp + 2)) == -1)
! 93: return (-1);
! 94: attr &= ~val;
! 95: } else {
! 96: if ((val = attributes_fromstring(tmp)) == -1)
! 97: return (-1);
! 98: attr |= val;
! 99: }
! 100:
! 101: in += end + strspn(in + end, delimiters);
! 102: } while (*in != '\0');
! 103: gc->fg = fg;
! 104: gc->bg = bg;
! 105: gc->attr = attr;
! 106: gc->flags = flags;
! 107:
! 108: return (0);
! 109: }
! 110:
! 111: /* Convert style to a string. */
! 112: const char *
! 113: style_tostring(struct grid_cell *gc)
! 114: {
! 115: int c, off = 0, comma = 0;
! 116: static char s[256];
! 117:
! 118: *s = '\0';
! 119:
! 120: if (gc->fg != 8) {
! 121: if (gc->flags & GRID_FLAG_FG256)
! 122: c = gc->fg | 0x100;
! 123: else
! 124: c = gc->fg;
! 125: off += xsnprintf(s, sizeof s, "fg=%s", colour_tostring(c));
! 126: comma = 1;
! 127: }
! 128:
! 129: if (gc->bg != 8) {
! 130: if (gc->flags & GRID_FLAG_BG256)
! 131: c = gc->bg | 0x100;
! 132: else
! 133: c = gc->bg;
! 134: off += xsnprintf(s + off, sizeof s - off, "%sbg=%s",
! 135: comma ? "," : "", colour_tostring(c));
! 136: comma = 1;
! 137: }
! 138:
! 139: if (gc->attr != 0 && gc->attr != GRID_ATTR_CHARSET) {
! 140: xsnprintf(s + off, sizeof s - off, "%s%s",
! 141: comma ? "," : "", attributes_tostring(gc->attr));
! 142: }
! 143:
! 144: if (*s == '\0')
! 145: return ("default");
! 146: return (s);
! 147: }
! 148:
! 149: /* Synchronize new -style option with the old one. */
! 150: void
! 151: style_update_new(struct options *oo, const char *name, const char *newname)
! 152: {
! 153: int value;
! 154: struct grid_cell *gc;
! 155:
! 156: /* It's a colour or attribute, but with no -style equivalent. */
! 157: if (newname == NULL)
! 158: return;
! 159:
! 160: gc = options_get_style(oo, newname);
! 161: value = options_get_number(oo, name);
! 162:
! 163: if (strstr(name, "-bg") != NULL)
! 164: colour_set_bg(gc, value);
! 165: else if (strstr(name, "-fg") != NULL)
! 166: colour_set_fg(gc, value);
! 167: else if (strstr(name, "-attr") != NULL)
! 168: gc->attr = value;
! 169: }
! 170:
! 171: /* Synchronize all the old options with the new -style one. */
! 172: void
! 173: style_update_old(struct options *oo, const char *name, struct grid_cell *gc)
! 174: {
! 175: char newname[128];
! 176: int c, size;
! 177:
! 178: size = strrchr(name, '-') - name;
! 179:
! 180: if (gc->flags & GRID_FLAG_BG256)
! 181: c = gc->bg | 0x100;
! 182: else
! 183: c = gc->bg;
! 184: xsnprintf(newname, sizeof newname, "%.*s-bg", size, name);
! 185: options_set_number(oo, newname, c);
! 186:
! 187: if (gc->flags & GRID_FLAG_FG256)
! 188: c = gc->fg | 0x100;
! 189: else
! 190: c = gc->fg;
! 191: xsnprintf(newname, sizeof newname, "%.*s-fg", size, name);
! 192: options_set_number(oo, newname, c);
! 193:
! 194: xsnprintf(newname, sizeof newname, "%.*s-attr", size, name);
! 195: options_set_number(oo, newname, gc->attr);
! 196: }
! 197:
! 198: /* Apply a style. */
! 199: void
! 200: style_apply(struct grid_cell *gc, struct options *oo, const char *name)
! 201: {
! 202: struct grid_cell *gcp;
! 203:
! 204: memcpy(gc, &grid_default_cell, sizeof *gc);
! 205: gcp = options_get_style(oo, name);
! 206: colour_set_fg(gc, gcp->fg);
! 207: colour_set_bg(gc, gcp->bg);
! 208: gc->attr |= gcp->attr;
! 209: }
! 210:
! 211: /* Apply a style, updating if default. */
! 212: void
! 213: style_apply_update(struct grid_cell *gc, struct options *oo, const char *name)
! 214: {
! 215: struct grid_cell *gcp;
! 216:
! 217: gcp = options_get_style(oo, name);
! 218: if (gcp->fg != 8)
! 219: colour_set_fg(gc, gcp->fg);
! 220: if (gcp->bg != 8)
! 221: colour_set_bg(gc, gcp->bg);
! 222: if (gcp->attr != 0)
! 223: gc->attr |= gcp->attr;
! 224: }