/src/tmux/style.c

Source (jump to first uncovered line)
/* $OpenBSD$ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 * Copyright (c) 2014 Tiago Cunha <tcunha@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <ctype.h>
#include <stdlib.h>
#include <string.h>

#include "tmux.h"

/* Mask for bits not included in style. */
#define STYLE_ATTR_MASK (~0)

/* Default style. */
static struct style style_default = {
  { { { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 0, 0 },
  0,

  8,
  STYLE_ALIGN_DEFAULT,
  STYLE_LIST_OFF,

  STYLE_RANGE_NONE, 0, "",

  STYLE_WIDTH_DEFAULT, STYLE_PAD_DEFAULT,

  STYLE_DEFAULT_BASE
};

/* Set range string. */
static void
style_set_range_string(struct style *sy, const char *s)
{
  strlcpy(sy->range_string, s, sizeof sy->range_string);
}

/*
 * Parse an embedded style of the form "fg=colour,bg=colour,bright,...".  Note
 * that this adds onto the given style, so it must have been initialized
 * already.
 */
int
style_parse(struct style *sy, const struct grid_cell *base, const char *in)
{
  struct style  saved;
  const char  delimiters[] = " ,\n", *errstr;
  char    tmp[256], *found;
  int   value;
  size_t    end;
  u_int   n;

  if (*in == '\0')
    return (0);
  style_copy(&saved, sy);

  log_debug("%s: %s", __func__, in);
  do {
    while (*in != '\0' && strchr(delimiters, *in) != NULL)
      in++;
    if (*in == '\0')
      break;

    end = strcspn(in, delimiters);
    if (end > (sizeof tmp) - 1)
      goto error;
    memcpy(tmp, in, end);
    tmp[end] = '\0';

    log_debug("%s: %s", __func__, tmp);
    if (strcasecmp(tmp, "default") == 0) {
      sy->gc.fg = base->fg;
      sy->gc.bg = base->bg;
      sy->gc.us = base->us;
      sy->gc.attr = base->attr;
      sy->gc.flags = base->flags;
    } else if (strcasecmp(tmp, "ignore") == 0)
      sy->ignore = 1;
    else if (strcasecmp(tmp, "noignore") == 0)
      sy->ignore = 0;
    else if (strcasecmp(tmp, "push-default") == 0)
      sy->default_type = STYLE_DEFAULT_PUSH;
    else if (strcasecmp(tmp, "pop-default") == 0)
      sy->default_type = STYLE_DEFAULT_POP;
    else if (strcasecmp(tmp, "set-default") == 0)
      sy->default_type = STYLE_DEFAULT_SET;
    else if (strcasecmp(tmp, "nolist") == 0)
      sy->list = STYLE_LIST_OFF;
    else if (strncasecmp(tmp, "list=", 5) == 0) {
      if (strcasecmp(tmp + 5, "on") == 0)
        sy->list = STYLE_LIST_ON;
      else if (strcasecmp(tmp + 5, "focus") == 0)
        sy->list = STYLE_LIST_FOCUS;
      else if (strcasecmp(tmp + 5, "left-marker") == 0)
        sy->list = STYLE_LIST_LEFT_MARKER;
      else if (strcasecmp(tmp + 5, "right-marker") == 0)
        sy->list = STYLE_LIST_RIGHT_MARKER;
      else
        goto error;
    } else if (strcasecmp(tmp, "norange") == 0) {
      sy->range_type = style_default.range_type;
      sy->range_argument = style_default.range_type;
      strlcpy(sy->range_string, style_default.range_string,
          sizeof sy->range_string);
    } else if (end > 6 && strncasecmp(tmp, "range=", 6) == 0) {
      found = strchr(tmp + 6, '|');
      if (found != NULL) {
        *found++ = '\0';
        if (*found == '\0')
          goto error;
      }
      if (strcasecmp(tmp + 6, "left") == 0) {
        if (found != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_LEFT;
        sy->range_argument = 0;
        style_set_range_string(sy, "");
      } else if (strcasecmp(tmp + 6, "right") == 0) {
        if (found != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_RIGHT;
        sy->range_argument = 0;
        style_set_range_string(sy, "");
      } else if (strcasecmp(tmp + 6, "pane") == 0) {
        if (found == NULL)
          goto error;
        if (*found != '%' || found[1] == '\0')
          goto error;
        n = strtonum(found + 1, 0, UINT_MAX, &errstr);
        if (errstr != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_PANE;
        sy->range_argument = n;
        style_set_range_string(sy, "");
      } else if (strcasecmp(tmp + 6, "window") == 0) {
        if (found == NULL)
          goto error;
        n = strtonum(found, 0, UINT_MAX, &errstr);
        if (errstr != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_WINDOW;
        sy->range_argument = n;
        style_set_range_string(sy, "");
      } else if (strcasecmp(tmp + 6, "session") == 0) {
        if (found == NULL)
          goto error;
        if (*found != '$' || found[1] == '\0')
          goto error;
        n = strtonum(found + 1, 0, UINT_MAX, &errstr);
        if (errstr != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_SESSION;
        sy->range_argument = n;
        style_set_range_string(sy, "");
      } else if (strcasecmp(tmp + 6, "user") == 0) {
        if (found == NULL)
          goto error;
        sy->range_type = STYLE_RANGE_USER;
        sy->range_argument = 0;
        style_set_range_string(sy, found);
      }
    } else if (strcasecmp(tmp, "noalign") == 0)
      sy->align = style_default.align;
    else if (end > 6 && strncasecmp(tmp, "align=", 6) == 0) {
      if (strcasecmp(tmp + 6, "left") == 0)
        sy->align = STYLE_ALIGN_LEFT;
      else if (strcasecmp(tmp + 6, "centre") == 0)
        sy->align = STYLE_ALIGN_CENTRE;
      else if (strcasecmp(tmp + 6, "right") == 0)
        sy->align = STYLE_ALIGN_RIGHT;
      else if (strcasecmp(tmp + 6, "absolute-centre") == 0)
        sy->align = STYLE_ALIGN_ABSOLUTE_CENTRE;
      else
        goto error;
    } else if (end > 5 && strncasecmp(tmp, "fill=", 5) == 0) {
      if ((value = colour_fromstring(tmp + 5)) == -1)
        goto error;
      sy->fill = value;
    } else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
      if ((value = colour_fromstring(tmp + 3)) == -1)
        goto error;
      if (*in == 'f' || *in == 'F') {
        if (value != 8)
          sy->gc.fg = value;
        else
          sy->gc.fg = base->fg;
      } else if (*in == 'b' || *in == 'B') {
        if (value != 8)
          sy->gc.bg = value;
        else
          sy->gc.bg = base->bg;
      } else
        goto error;
    } else if (end > 3 && strncasecmp(tmp, "us=", 3) == 0) {
      if ((value = colour_fromstring(tmp + 3)) == -1)
        goto error;
      if (value != 8)
        sy->gc.us = value;
      else
        sy->gc.us = base->us;
    } else if (strcasecmp(tmp, "none") == 0)
      sy->gc.attr = 0;
    else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
      if (strcmp(tmp + 2, "attr") == 0)
        value = 0xffff & ~GRID_ATTR_CHARSET;
      else if ((value = attributes_fromstring(tmp + 2)) == -1)
        goto error;
      sy->gc.attr &= ~value;
    } else if (end > 6 && strncasecmp(tmp, "width=", 6) == 0) {
                        n = strtonum(tmp + 6, 0, UINT_MAX, &errstr);
                        if (errstr != NULL)
                                goto error;
                        sy->width = (int)n;
    } else if (end > 4 && strncasecmp(tmp, "pad=", 4) == 0) {
                        n = strtonum(tmp + 4, 0, UINT_MAX, &errstr);
                        if (errstr != NULL)
                                goto error;
                        sy->pad = (int)n;
    } else {
      if ((value = attributes_fromstring(tmp)) == -1)
        goto error;
      sy->gc.attr |= value;
    }

    in += end + strspn(in + end, delimiters);
  } while (*in != '\0');

  return (0);

error:
  style_copy(sy, &saved);
  return (-1);
}

/* Convert style to a string. */
const char *
style_tostring(struct style *sy)
{
  struct grid_cell  *gc = &sy->gc;
  int      off = 0;
  const char    *comma = "", *tmp = "";
  static char    s[256];
  char       b[21];

  *s = '\0';

  if (sy->list != STYLE_LIST_OFF) {
    if (sy->list == STYLE_LIST_ON)
      tmp = "on";
    else if (sy->list == STYLE_LIST_FOCUS)
      tmp = "focus";
    else if (sy->list == STYLE_LIST_LEFT_MARKER)
      tmp = "left-marker";
    else if (sy->list == STYLE_LIST_RIGHT_MARKER)
      tmp = "right-marker";
    off += xsnprintf(s + off, sizeof s - off, "%slist=%s", comma,
        tmp);
    comma = ",";
  }
  if (sy->range_type != STYLE_RANGE_NONE) {
    if (sy->range_type == STYLE_RANGE_LEFT)
      tmp = "left";
    else if (sy->range_type == STYLE_RANGE_RIGHT)
      tmp = "right";
    else if (sy->range_type == STYLE_RANGE_PANE) {
      snprintf(b, sizeof b, "pane|%%%u", sy->range_argument);
      tmp = b;
    } else if (sy->range_type == STYLE_RANGE_WINDOW) {
      snprintf(b, sizeof b, "window|%u", sy->range_argument);
      tmp = b;
    } else if (sy->range_type == STYLE_RANGE_SESSION) {
      snprintf(b, sizeof b, "session|$%u",
          sy->range_argument);
      tmp = b;
    } else if (sy->range_type == STYLE_RANGE_USER) {
      snprintf(b, sizeof b, "user|%s", sy->range_string);
      tmp = b;
    }
    off += xsnprintf(s + off, sizeof s - off, "%srange=%s", comma,
        tmp);
    comma = ",";
  }
  if (sy->align != STYLE_ALIGN_DEFAULT) {
    if (sy->align == STYLE_ALIGN_LEFT)
      tmp = "left";
    else if (sy->align == STYLE_ALIGN_CENTRE)
      tmp = "centre";
    else if (sy->align == STYLE_ALIGN_RIGHT)
      tmp = "right";
    else if (sy->align == STYLE_ALIGN_ABSOLUTE_CENTRE)
      tmp = "absolute-centre";
    off += xsnprintf(s + off, sizeof s - off, "%salign=%s", comma,
        tmp);
    comma = ",";
  }
  if (sy->default_type != STYLE_DEFAULT_BASE) {
    if (sy->default_type == STYLE_DEFAULT_PUSH)
      tmp = "push-default";
    else if (sy->default_type == STYLE_DEFAULT_POP)
      tmp = "pop-default";
    else if (sy->default_type == STYLE_DEFAULT_SET)
      tmp = "set-default";
    off += xsnprintf(s + off, sizeof s - off, "%s%s", comma, tmp);
    comma = ",";
  }
  if (sy->fill != 8) {
    off += xsnprintf(s + off, sizeof s - off, "%sfill=%s", comma,
        colour_tostring(sy->fill));
    comma = ",";
  }
  if (gc->fg != 8) {
    off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
        colour_tostring(gc->fg));
    comma = ",";
  }
  if (gc->bg != 8) {
    off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
        colour_tostring(gc->bg));
    comma = ",";
  }
  if (gc->us != 8) {
    off += xsnprintf(s + off, sizeof s - off, "%sus=%s", comma,
        colour_tostring(gc->us));
    comma = ",";
  }
  if (gc->attr != 0) {
    xsnprintf(s + off, sizeof s - off, "%s%s", comma,
        attributes_tostring(gc->attr));
    comma = ",";
  }
        if (sy->width >= 0) {
                xsnprintf(s + off, sizeof s - off, "%swidth=%u", comma,
        sy->width);
    comma = ",";
  }
        if (sy->pad >= 0) {
                xsnprintf(s + off, sizeof s - off, "%spad=%u", comma,
        sy->pad);
    comma = ",";
  }
  if (*s == '\0')
    return ("default");
  return (s);
}

/* Apply a style on top of the given style. */
void
style_add(struct grid_cell *gc, struct options *oo, const char *name,
    struct format_tree *ft)
{
  struct style    *sy;
  struct format_tree  *ft0 = NULL;

  if (ft == NULL)
    ft = ft0 = format_create(NULL, NULL, 0, FORMAT_NOJOBS);

  sy = options_string_to_style(oo, name, ft);
  if (sy == NULL)
    sy = &style_default;
  if (sy->gc.fg != 8)
    gc->fg = sy->gc.fg;
  if (sy->gc.bg != 8)
    gc->bg = sy->gc.bg;
  if (sy->gc.us != 8)
    gc->us = sy->gc.us;
  gc->attr |= sy->gc.attr;

  if (ft0 != NULL)
    format_free(ft0);
}

/* Apply a style on top of the default style. */
void
style_apply(struct grid_cell *gc, struct options *oo, const char *name,
    struct format_tree *ft)
{
  memcpy(gc, &grid_default_cell, sizeof *gc);
  style_add(gc, oo, name, ft);
}

/* Initialize style from cell. */
void
style_set(struct style *sy, const struct grid_cell *gc)
{
  memcpy(sy, &style_default, sizeof *sy);
  memcpy(&sy->gc, gc, sizeof sy->gc);
}

/* Copy style. */
void
style_copy(struct style *dst, struct style *src)
{
  memcpy(dst, src, sizeof *dst);
}

void
style_set_scrollbar_style_from_option(struct style *sb_style, struct options *oo)
{
  struct style  *sy;

  sy = options_string_to_style(oo, "pane-scrollbars-style", NULL);
  if (sy == NULL) {
    style_set(sb_style, &grid_default_cell);
    sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
    sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
    utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
  } else {
    style_copy(sb_style, sy);
    if (sb_style->width < 1)
      sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
    if (sb_style->pad < 0)
      sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
    utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
  }
}

Coverage Report

Created: 2025-07-11 06:20

Line	Count	Source (jump to first uncovered line)
1		/* $OpenBSD$ */
2
3		/*
4		* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 <sys/types.h>
21
22		#include <ctype.h>
23		#include <stdlib.h>
24		#include <string.h>
25
26		#include "tmux.h"
27
28		/* Mask for bits not included in style. */
29		#define STYLE_ATTR_MASK (~0)
30
31		/* Default style. */
32		static struct style style_default = {
33		{ { { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 0, 0 },
34		0,
35
36		8,
37		STYLE_ALIGN_DEFAULT,
38		STYLE_LIST_OFF,
39
40		STYLE_RANGE_NONE, 0, "",
41
42		STYLE_WIDTH_DEFAULT, STYLE_PAD_DEFAULT,
43
44		STYLE_DEFAULT_BASE
45		};
46
47		/* Set range string. */
48		static void
49		style_set_range_string(struct style sy, const char s)
50	0	{
51	0	strlcpy(sy->range_string, s, sizeof sy->range_string);
52	0	}
53
54		/*
55		* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". Note
56		* that this adds onto the given style, so it must have been initialized
57		* already.
58		*/
59		int
60		style_parse(struct style sy, const struct grid_cell base, const char *in)
61	3	{
62	3	struct style saved;
63	3	const char delimiters[] = " ,\n", *errstr;
64	3	char tmp[256], *found;
65	3	int value;
66	3	size_t end;
67	3	u_int n;
68
69	3	if (*in == '\0')
70	0	return (0);
71	3	style_copy(&saved, sy);
72
73	3	log_debug("%s: %s", __func__, in);
74	6	do {
75	6	while (in != '\0' && strchr(delimiters, in) != NULL)
76	0	in++;
77	6	if (*in == '\0')
78	0	break;
79
80	6	end = strcspn(in, delimiters);
81	6	if (end > (sizeof tmp) - 1)
82	0	goto error;
83	6	memcpy(tmp, in, end);
84	6	tmp[end] = '\0';
85
86	6	log_debug("%s: %s", __func__, tmp);
87	6	if (strcasecmp(tmp, "default") == 0) {
88	2	sy->gc.fg = base->fg;
89	2	sy->gc.bg = base->bg;
90	2	sy->gc.us = base->us;
91	2	sy->gc.attr = base->attr;
92	2	sy->gc.flags = base->flags;
93	4	} else if (strcasecmp(tmp, "ignore") == 0)
94	0	sy->ignore = 1;
95	4	else if (strcasecmp(tmp, "noignore") == 0)
96	0	sy->ignore = 0;
97	4	else if (strcasecmp(tmp, "push-default") == 0)
98	0	sy->default_type = STYLE_DEFAULT_PUSH;
99	4	else if (strcasecmp(tmp, "pop-default") == 0)
100	0	sy->default_type = STYLE_DEFAULT_POP;
101	4	else if (strcasecmp(tmp, "set-default") == 0)
102	0	sy->default_type = STYLE_DEFAULT_SET;
103	4	else if (strcasecmp(tmp, "nolist") == 0)
104	0	sy->list = STYLE_LIST_OFF;
105	4	else if (strncasecmp(tmp, "list=", 5) == 0) {
106	0	if (strcasecmp(tmp + 5, "on") == 0)
107	0	sy->list = STYLE_LIST_ON;
108	0	else if (strcasecmp(tmp + 5, "focus") == 0)
109	0	sy->list = STYLE_LIST_FOCUS;
110	0	else if (strcasecmp(tmp + 5, "left-marker") == 0)
111	0	sy->list = STYLE_LIST_LEFT_MARKER;
112	0	else if (strcasecmp(tmp + 5, "right-marker") == 0)
113	0	sy->list = STYLE_LIST_RIGHT_MARKER;
114	0	else
115	0	goto error;
116	4	} else if (strcasecmp(tmp, "norange") == 0) {
117	0	sy->range_type = style_default.range_type;
118	0	sy->range_argument = style_default.range_type;
119	0	strlcpy(sy->range_string, style_default.range_string,
120	0	sizeof sy->range_string);
121	4	} else if (end > 6 && strncasecmp(tmp, "range=", 6) == 0) {
122	0	found = strchr(tmp + 6, '\|');
123	0	if (found != NULL) {
124	0	*found++ = '\0';
125	0	if (*found == '\0')
126	0	goto error;
127	0	}
128	0	if (strcasecmp(tmp + 6, "left") == 0) {
129	0	if (found != NULL)
130	0	goto error;
131	0	sy->range_type = STYLE_RANGE_LEFT;
132	0	sy->range_argument = 0;
133	0	style_set_range_string(sy, "");
134	0	} else if (strcasecmp(tmp + 6, "right") == 0) {
135	0	if (found != NULL)
136	0	goto error;
137	0	sy->range_type = STYLE_RANGE_RIGHT;
138	0	sy->range_argument = 0;
139	0	style_set_range_string(sy, "");
140	0	} else if (strcasecmp(tmp + 6, "pane") == 0) {
141	0	if (found == NULL)
142	0	goto error;
143	0	if (*found != '%' \|\| found[1] == '\0')
144	0	goto error;
145	0	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
146	0	if (errstr != NULL)
147	0	goto error;
148	0	sy->range_type = STYLE_RANGE_PANE;
149	0	sy->range_argument = n;
150	0	style_set_range_string(sy, "");
151	0	} else if (strcasecmp(tmp + 6, "window") == 0) {
152	0	if (found == NULL)
153	0	goto error;
154	0	n = strtonum(found, 0, UINT_MAX, &errstr);
155	0	if (errstr != NULL)
156	0	goto error;
157	0	sy->range_type = STYLE_RANGE_WINDOW;
158	0	sy->range_argument = n;
159	0	style_set_range_string(sy, "");
160	0	} else if (strcasecmp(tmp + 6, "session") == 0) {
161	0	if (found == NULL)
162	0	goto error;
163	0	if (*found != '$' \|\| found[1] == '\0')
164	0	goto error;
165	0	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
166	0	if (errstr != NULL)
167	0	goto error;
168	0	sy->range_type = STYLE_RANGE_SESSION;
169	0	sy->range_argument = n;
170	0	style_set_range_string(sy, "");
171	0	} else if (strcasecmp(tmp + 6, "user") == 0) {
172	0	if (found == NULL)
173	0	goto error;
174	0	sy->range_type = STYLE_RANGE_USER;
175	0	sy->range_argument = 0;
176	0	style_set_range_string(sy, found);
177	0	}
178	4	} else if (strcasecmp(tmp, "noalign") == 0)
179	0	sy->align = style_default.align;
180	4	else if (end > 6 && strncasecmp(tmp, "align=", 6) == 0) {
181	0	if (strcasecmp(tmp + 6, "left") == 0)
182	0	sy->align = STYLE_ALIGN_LEFT;
183	0	else if (strcasecmp(tmp + 6, "centre") == 0)
184	0	sy->align = STYLE_ALIGN_CENTRE;
185	0	else if (strcasecmp(tmp + 6, "right") == 0)
186	0	sy->align = STYLE_ALIGN_RIGHT;
187	0	else if (strcasecmp(tmp + 6, "absolute-centre") == 0)
188	0	sy->align = STYLE_ALIGN_ABSOLUTE_CENTRE;
189	0	else
190	0	goto error;
191	4	} else if (end > 5 && strncasecmp(tmp, "fill=", 5) == 0) {
192	0	if ((value = colour_fromstring(tmp + 5)) == -1)
193	0	goto error;
194	0	sy->fill = value;
195	4	} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
196	2	if ((value = colour_fromstring(tmp + 3)) == -1)
197	0	goto error;
198	2	if (in == 'f' \|\| in == 'F') {
199	1	if (value != 8)
200	1	sy->gc.fg = value;
201	0	else
202	0	sy->gc.fg = base->fg;
203	1	} else if (in == 'b' \|\| in == 'B') {
204	1	if (value != 8)
205	1	sy->gc.bg = value;
206	0	else
207	0	sy->gc.bg = base->bg;
208	1	} else
209	0	goto error;
210	2	} else if (end > 3 && strncasecmp(tmp, "us=", 3) == 0) {
211	0	if ((value = colour_fromstring(tmp + 3)) == -1)
212	0	goto error;
213	0	if (value != 8)
214	0	sy->gc.us = value;
215	0	else
216	0	sy->gc.us = base->us;
217	2	} else if (strcasecmp(tmp, "none") == 0)
218	0	sy->gc.attr = 0;
219	2	else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
220	0	if (strcmp(tmp + 2, "attr") == 0)
221	0	value = 0xffff & ~GRID_ATTR_CHARSET;
222	0	else if ((value = attributes_fromstring(tmp + 2)) == -1)
223	0	goto error;
224	0	sy->gc.attr &= ~value;
225	2	} else if (end > 6 && strncasecmp(tmp, "width=", 6) == 0) {
226	1	n = strtonum(tmp + 6, 0, UINT_MAX, &errstr);
227	1	if (errstr != NULL)
228	0	goto error;
229	1	sy->width = (int)n;
230	1	} else if (end > 4 && strncasecmp(tmp, "pad=", 4) == 0) {
231	1	n = strtonum(tmp + 4, 0, UINT_MAX, &errstr);
232	1	if (errstr != NULL)
233	0	goto error;
234	1	sy->pad = (int)n;
235	1	} else {
236	0	if ((value = attributes_fromstring(tmp)) == -1)
237	0	goto error;
238	0	sy->gc.attr \|= value;
239	0	}
240
241	6	in += end + strspn(in + end, delimiters);
242	6	} while (*in != '\0');
243
244	3	return (0);
245
246	0	error:
247	0	style_copy(sy, &saved);
248	0	return (-1);
249	3	}
250
251		/* Convert style to a string. */
252		const char *
253		style_tostring(struct style *sy)
254	0	{
255	0	struct grid_cell *gc = &sy->gc;
256	0	int off = 0;
257	0	const char comma = "", tmp = "";
258	0	static char s[256];
259	0	char b[21];
260
261	0	*s = '\0';
262
263	0	if (sy->list != STYLE_LIST_OFF) {
264	0	if (sy->list == STYLE_LIST_ON)
265	0	tmp = "on";
266	0	else if (sy->list == STYLE_LIST_FOCUS)
267	0	tmp = "focus";
268	0	else if (sy->list == STYLE_LIST_LEFT_MARKER)
269	0	tmp = "left-marker";
270	0	else if (sy->list == STYLE_LIST_RIGHT_MARKER)
271	0	tmp = "right-marker";
272	0	off += xsnprintf(s + off, sizeof s - off, "%slist=%s", comma,
273	0	tmp);
274	0	comma = ",";
275	0	}
276	0	if (sy->range_type != STYLE_RANGE_NONE) {
277	0	if (sy->range_type == STYLE_RANGE_LEFT)
278	0	tmp = "left";
279	0	else if (sy->range_type == STYLE_RANGE_RIGHT)
280	0	tmp = "right";
281	0	else if (sy->range_type == STYLE_RANGE_PANE) {
282	0	snprintf(b, sizeof b, "pane\|%%%u", sy->range_argument);
283	0	tmp = b;
284	0	} else if (sy->range_type == STYLE_RANGE_WINDOW) {
285	0	snprintf(b, sizeof b, "window\|%u", sy->range_argument);
286	0	tmp = b;
287	0	} else if (sy->range_type == STYLE_RANGE_SESSION) {
288	0	snprintf(b, sizeof b, "session\|$%u",
289	0	sy->range_argument);
290	0	tmp = b;
291	0	} else if (sy->range_type == STYLE_RANGE_USER) {
292	0	snprintf(b, sizeof b, "user\|%s", sy->range_string);
293	0	tmp = b;
294	0	}
295	0	off += xsnprintf(s + off, sizeof s - off, "%srange=%s", comma,
296	0	tmp);
297	0	comma = ",";
298	0	}
299	0	if (sy->align != STYLE_ALIGN_DEFAULT) {
300	0	if (sy->align == STYLE_ALIGN_LEFT)
301	0	tmp = "left";
302	0	else if (sy->align == STYLE_ALIGN_CENTRE)
303	0	tmp = "centre";
304	0	else if (sy->align == STYLE_ALIGN_RIGHT)
305	0	tmp = "right";
306	0	else if (sy->align == STYLE_ALIGN_ABSOLUTE_CENTRE)
307	0	tmp = "absolute-centre";
308	0	off += xsnprintf(s + off, sizeof s - off, "%salign=%s", comma,
309	0	tmp);
310	0	comma = ",";
311	0	}
312	0	if (sy->default_type != STYLE_DEFAULT_BASE) {
313	0	if (sy->default_type == STYLE_DEFAULT_PUSH)
314	0	tmp = "push-default";
315	0	else if (sy->default_type == STYLE_DEFAULT_POP)
316	0	tmp = "pop-default";
317	0	else if (sy->default_type == STYLE_DEFAULT_SET)
318	0	tmp = "set-default";
319	0	off += xsnprintf(s + off, sizeof s - off, "%s%s", comma, tmp);
320	0	comma = ",";
321	0	}
322	0	if (sy->fill != 8) {
323	0	off += xsnprintf(s + off, sizeof s - off, "%sfill=%s", comma,
324	0	colour_tostring(sy->fill));
325	0	comma = ",";
326	0	}
327	0	if (gc->fg != 8) {
328	0	off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
329	0	colour_tostring(gc->fg));
330	0	comma = ",";
331	0	}
332	0	if (gc->bg != 8) {
333	0	off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
334	0	colour_tostring(gc->bg));
335	0	comma = ",";
336	0	}
337	0	if (gc->us != 8) {
338	0	off += xsnprintf(s + off, sizeof s - off, "%sus=%s", comma,
339	0	colour_tostring(gc->us));
340	0	comma = ",";
341	0	}
342	0	if (gc->attr != 0) {
343	0	xsnprintf(s + off, sizeof s - off, "%s%s", comma,
344	0	attributes_tostring(gc->attr));
345	0	comma = ",";
346	0	}
347	0	if (sy->width >= 0) {
348	0	xsnprintf(s + off, sizeof s - off, "%swidth=%u", comma,
349	0	sy->width);
350	0	comma = ",";
351	0	}
352	0	if (sy->pad >= 0) {
353	0	xsnprintf(s + off, sizeof s - off, "%spad=%u", comma,
354	0	sy->pad);
355	0	comma = ",";
356	0	}
357	0	if (*s == '\0')
358	0	return ("default");
359	0	return (s);
360	0	}
361
362		/* Apply a style on top of the given style. */
363		void
364		style_add(struct grid_cell gc, struct options oo, const char *name,
365		struct format_tree *ft)
366	7.70k	{
367	7.70k	struct style *sy;
368	7.70k	struct format_tree *ft0 = NULL;
369
370	7.70k	if (ft == NULL)
371	0	ft = ft0 = format_create(NULL, NULL, 0, FORMAT_NOJOBS);
372
373	7.70k	sy = options_string_to_style(oo, name, ft);
374	7.70k	if (sy == NULL)
375	0	sy = &style_default;
376	7.70k	if (sy->gc.fg != 8)
377	0	gc->fg = sy->gc.fg;
378	7.70k	if (sy->gc.bg != 8)
379	0	gc->bg = sy->gc.bg;
380	7.70k	if (sy->gc.us != 8)
381	0	gc->us = sy->gc.us;
382	7.70k	gc->attr \|= sy->gc.attr;
383
384	7.70k	if (ft0 != NULL)
385	0	format_free(ft0);
386	7.70k	}
387
388		/* Apply a style on top of the default style. */
389		void
390		style_apply(struct grid_cell gc, struct options oo, const char *name,
391		struct format_tree *ft)
392	0	{
393	0	memcpy(gc, &grid_default_cell, sizeof *gc);
394	0	style_add(gc, oo, name, ft);
395	0	}
396
397		/* Initialize style from cell. */
398		void
399		style_set(struct style sy, const struct grid_cell gc)
400	3	{
401	3	memcpy(sy, &style_default, sizeof *sy);
402	3	memcpy(&sy->gc, gc, sizeof sy->gc);
403	3	}
404
405		/* Copy style. */
406		void
407		style_copy(struct style dst, struct style src)
408	11.2k	{
409	11.2k	memcpy(dst, src, sizeof *dst);
410	11.2k	}
411
412		void
413		style_set_scrollbar_style_from_option(struct style sb_style, struct options oo)
414	11.2k	{
415	11.2k	struct style *sy;
416
417	11.2k	sy = options_string_to_style(oo, "pane-scrollbars-style", NULL);
418	11.2k	if (sy == NULL) {
419	0	style_set(sb_style, &grid_default_cell);
420	0	sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
421	0	sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
422	0	utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
423	11.2k	} else {
424	11.2k	style_copy(sb_style, sy);
425	11.2k	if (sb_style->width < 1)
426	0	sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
427	11.2k	if (sb_style->pad < 0)
428	0	sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
429	11.2k	utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
430	11.2k	}
431	11.2k	}