/src/tmux/style.c

Source
/* $OpenBSD: style.c,v 1.47 2026/06/29 17:08:52 nicm Exp $ */

/*
 * 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,
  0,

  8,
  STYLE_ALIGN_DEFAULT,
  STYLE_LIST_OFF,

  STYLE_RANGE_NONE, 0, "",

  STYLE_WIDTH_DEFAULT, 0, STYLE_PAD_DEFAULT,

  STYLE_DEFAULT_BASE,

  0
};

/*
 * Global hyperlink set holding the URIs for #[link=...] styles, so a style
 * only needs to store a small ID rather than the URI itself.
 */
static struct hyperlinks  *style_hyperlinks;

/* 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;
      sy->link = 0;
    } 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, "control") == 0) {
        if (found == NULL)
          goto error;
        n = strtonum(found, 0, 9, &errstr);
        if (errstr != NULL)
          goto error;
        sy->range_type = STYLE_RANGE_CONTROL;
        sy->range_argument = n;
        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 > 4 && strncasecmp(tmp, "dim=", 4) == 0) {
      if (tmp[end - 1] == '%')
        tmp[end - 1] = '\0';
      n = strtonum(tmp + 4, 0, 100, &errstr);
      if (errstr != NULL)
        goto error;
      sy->dim = n;
    } 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, "link") == 0)
        sy->link = 0;
      else if (strcmp(tmp + 2, "attr") == 0)
        sy->gc.attr |= GRID_ATTR_NOATTR;
      else {
        value = attributes_fromstring(tmp + 2);
        if (value == -1)
          goto error;
        sy->gc.attr &= ~value;
      }
    } else if (end > 6 && strncasecmp(tmp, "width=", 6) == 0) {
      if (end > 7 && tmp[end - 1] == '%') {
        tmp[end - 1] = '\0';
        n = strtonum(tmp + 6, 0, 100, &errstr);
        if (errstr != NULL)
          goto error;
        sy->width = (int)n;
        sy->width_percentage = 1;
      } else {
        n = strtonum(tmp + 6, 0, UINT_MAX, &errstr);
        if (errstr != NULL)
          goto error;
        sy->width = (int)n;
        sy->width_percentage = 0;
      }
    } 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 (strncasecmp(tmp, "link=", 5) == 0) {
      if (tmp[5] == '\0')
        sy->link = 0;
      else {
        if (style_hyperlinks == NULL)
          style_hyperlinks = hyperlinks_init();
        sy->link = hyperlinks_put(style_hyperlinks,
            tmp + 5, tmp + 5);
      }
    } 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 = "", *uri;
  static char    s[2048];
  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 (sy->dim != 0) {
    off += xsnprintf(s + off, sizeof s - off, "%sdim=%d%%", comma,
        sy->dim);
    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) {
    off += xsnprintf(s + off, sizeof s - off, "%s%s", comma,
        attributes_tostring(gc->attr));
    comma = ",";
  }
  if (sy->width >= 0) {
    if (sy->width_percentage)
      off += xsnprintf(s + off, sizeof s - off,
          "%swidth=%u%%", comma, sy->width);
    else
      off += xsnprintf(s + off, sizeof s - off,
          "%swidth=%u", comma, sy->width);
    comma = ",";
  }
  if (sy->pad >= 0) {
    off += xsnprintf(s + off, sizeof s - off, "%spad=%u", comma,
        sy->pad);
    comma = ",";
  }
  uri = style_link(sy);
  if (uri != NULL) {
    xsnprintf(s + off, sizeof s - off, "%slink=%s", comma, uri);
    comma = ",";
  }
  if (*s == '\0')
    return ("default");
  return (s);
}

/* Get the hyperlink URI for a style, or NULL if it has none. */
const char *
style_link(struct style *sy)
{
  const char  *uri;

  if (sy->link == 0 || style_hyperlinks == NULL)
    return (NULL);
  if (!hyperlinks_get(style_hyperlinks, sy->link, &uri, NULL, NULL))
    return (NULL);
  return (uri);
}

/* Apply a style on top of the given style. */
struct style *
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);
  return (sy);
}

/* 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);
}

/* Parse a single colour into a style */
int
style_parse_colour(struct style *sy, const struct grid_cell *base,
    const char *s)
{
  int c;

  style_set(sy, base);

  if (*s == '\0') {
    sy->gc.fg = -1;
    return (0);
  }

  if ((c = colour_fromstring(s)) == -1)
    return (-1);
  if (c == 8)
    sy->gc.fg = base->fg;
  else
    sy->gc.fg = c;
  return (0);
}

/* 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);
}

/* Set scrollbar style from an option. */
void
style_set_scrollbar_style_from_option(struct style *sb_style,
    struct options *oo)
{
  const struct options_table_entry  *oe;
  struct options_entry      *o;
  const char        *s;
  char          *style, *expanded;

  style_set(sb_style, &grid_default_cell);
  o = options_get(oo, "pane-scrollbars-style");
  if (o == NULL)
    fatalx("missing pane-scrollbars-style");
  oe = options_table_entry(o);
  style = format_single(NULL, oe->default_str, NULL, NULL, NULL, NULL);
  if (style_parse(sb_style, &grid_default_cell, style) != 0)
    fatalx("bad pane-scrollbars-style default");

  s = options_get_string(oo, "pane-scrollbars-style");
  if (s != NULL) {
    expanded = format_single(NULL, s, NULL, NULL, NULL, NULL);
    if (style_parse(sb_style, &grid_default_cell, expanded) != 0)
      style_parse(sb_style, &grid_default_cell, style);
    free(expanded);
  }
  free(style);
  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);
}

/* Initialize style ranges. */
void
style_ranges_init(struct style_ranges *srs)
{
  TAILQ_INIT(srs);
}

/* Free style ranges. */
void
style_ranges_free(struct style_ranges *srs)
{
  struct style_range  *sr, *sr1;

  TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) {
    TAILQ_REMOVE(srs, sr, entry);
    free(sr);
  }
}

/* Get range for position from style ranges. */
struct style_range *
style_ranges_get_range(struct style_ranges *srs, u_int x)
{
  struct style_range  *sr;

  if (srs == NULL)
    return (NULL);
  TAILQ_FOREACH(sr, srs, entry) {
    if (x >= sr->start && x < sr->end)
      return (sr);
  }
  return (NULL);
}

Coverage Report

Created: 2026-07-16 06:55

Line	Count	Source
1		/* $OpenBSD: style.c,v 1.47 2026/06/29 17:08:52 nicm Exp $ */
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		0,
36
37		8,
38		STYLE_ALIGN_DEFAULT,
39		STYLE_LIST_OFF,
40
41		STYLE_RANGE_NONE, 0, "",
42
43		STYLE_WIDTH_DEFAULT, 0, STYLE_PAD_DEFAULT,
44
45		STYLE_DEFAULT_BASE,
46
47		0
48		};
49
50		/*
51		* Global hyperlink set holding the URIs for #[link=...] styles, so a style
52		* only needs to store a small ID rather than the URI itself.
53		*/
54		static struct hyperlinks *style_hyperlinks;
55
56		/* Set range string. */
57		static void
58		style_set_range_string(struct style sy, const char s)
59	0	{
60	0	strlcpy(sy->range_string, s, sizeof sy->range_string);
61	0	}
62
63		/*
64		* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". Note
65		* that this adds onto the given style, so it must have been initialized
66		* already.
67		*/
68		int
69		style_parse(struct style sy, const struct grid_cell base, const char *in)
70	1.53k	{
71	1.53k	struct style saved;
72	1.53k	const char delimiters[] = " ,\n", *errstr;
73	1.53k	char tmp[256], *found;
74	1.53k	int value;
75	1.53k	size_t end;
76	1.53k	u_int n;
77
78	1.53k	if (*in == '\0')
79	64	return (0);
80	1.46k	style_copy(&saved, sy);
81
82	1.46k	log_debug("%s: %s", __func__, in);
83	1.59k	do {
84	2.33k	while (in != '\0' && strchr(delimiters, in) != NULL)
85	742	in++;
86	1.59k	if (*in == '\0')
87	0	break;
88
89	1.59k	end = strcspn(in, delimiters);
90	1.59k	if (end > (sizeof tmp) - 1)
91	0	goto error;
92	1.59k	memcpy(tmp, in, end);
93	1.59k	tmp[end] = '\0';
94
95	1.59k	log_debug("%s: %s", __func__, tmp);
96	1.59k	if (strcasecmp(tmp, "default") == 0) {
97	0	sy->gc.fg = base->fg;
98	0	sy->gc.bg = base->bg;
99	0	sy->gc.us = base->us;
100	0	sy->gc.attr = base->attr;
101	0	sy->gc.flags = base->flags;
102	0	sy->link = 0;
103	1.59k	} else if (strcasecmp(tmp, "ignore") == 0)
104	0	sy->ignore = 1;
105	1.59k	else if (strcasecmp(tmp, "noignore") == 0)
106	0	sy->ignore = 0;
107	1.59k	else if (strcasecmp(tmp, "push-default") == 0)
108	0	sy->default_type = STYLE_DEFAULT_PUSH;
109	1.59k	else if (strcasecmp(tmp, "pop-default") == 0)
110	0	sy->default_type = STYLE_DEFAULT_POP;
111	1.59k	else if (strcasecmp(tmp, "set-default") == 0)
112	0	sy->default_type = STYLE_DEFAULT_SET;
113	1.59k	else if (strcasecmp(tmp, "nolist") == 0)
114	0	sy->list = STYLE_LIST_OFF;
115	1.59k	else if (strncasecmp(tmp, "list=", 5) == 0) {
116	0	if (strcasecmp(tmp + 5, "on") == 0)
117	0	sy->list = STYLE_LIST_ON;
118	0	else if (strcasecmp(tmp + 5, "focus") == 0)
119	0	sy->list = STYLE_LIST_FOCUS;
120	0	else if (strcasecmp(tmp + 5, "left-marker") == 0)
121	0	sy->list = STYLE_LIST_LEFT_MARKER;
122	0	else if (strcasecmp(tmp + 5, "right-marker") == 0)
123	0	sy->list = STYLE_LIST_RIGHT_MARKER;
124	0	else
125	0	goto error;
126	1.59k	} else if (strcasecmp(tmp, "norange") == 0) {
127	0	sy->range_type = style_default.range_type;
128	0	sy->range_argument = style_default.range_type;
129	0	strlcpy(sy->range_string, style_default.range_string,
130	0	sizeof sy->range_string);
131	1.59k	} else if (end > 6 && strncasecmp(tmp, "range=", 6) == 0) {
132	406	found = strchr(tmp + 6, '\|');
133	406	if (found != NULL) {
134	22	*found++ = '\0';
135	22	if (*found == '\0')
136	16	goto error;
137	22	}
138	390	if (strcasecmp(tmp + 6, "left") == 0) {
139	0	if (found != NULL)
140	0	goto error;
141	0	sy->range_type = STYLE_RANGE_LEFT;
142	0	sy->range_argument = 0;
143	0	style_set_range_string(sy, "");
144	390	} else if (strcasecmp(tmp + 6, "right") == 0) {
145	0	if (found != NULL)
146	0	goto error;
147	0	sy->range_type = STYLE_RANGE_RIGHT;
148	0	sy->range_argument = 0;
149	0	style_set_range_string(sy, "");
150	390	} else if (strcasecmp(tmp + 6, "control") == 0) {
151	0	if (found == NULL)
152	0	goto error;
153	0	n = strtonum(found, 0, 9, &errstr);
154	0	if (errstr != NULL)
155	0	goto error;
156	0	sy->range_type = STYLE_RANGE_CONTROL;
157	0	sy->range_argument = n;
158	0	style_set_range_string(sy, "");
159	390	} else if (strcasecmp(tmp + 6, "pane") == 0) {
160	390	if (found == NULL)
161	384	goto error;
162	6	if (*found != '%' \|\| found[1] == '\0')
163	6	goto error;
164	0	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
165	0	if (errstr != NULL)
166	0	goto error;
167	0	sy->range_type = STYLE_RANGE_PANE;
168	0	sy->range_argument = n;
169	0	style_set_range_string(sy, "");
170	0	} else if (strcasecmp(tmp + 6, "window") == 0) {
171	0	if (found == NULL)
172	0	goto error;
173	0	n = strtonum(found, 0, UINT_MAX, &errstr);
174	0	if (errstr != NULL)
175	0	goto error;
176	0	sy->range_type = STYLE_RANGE_WINDOW;
177	0	sy->range_argument = n;
178	0	style_set_range_string(sy, "");
179	0	} else if (strcasecmp(tmp + 6, "session") == 0) {
180	0	if (found == NULL)
181	0	goto error;
182	0	if (*found != '$' \|\| found[1] == '\0')
183	0	goto error;
184	0	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
185	0	if (errstr != NULL)
186	0	goto error;
187	0	sy->range_type = STYLE_RANGE_SESSION;
188	0	sy->range_argument = n;
189	0	style_set_range_string(sy, "");
190	0	} else if (strcasecmp(tmp + 6, "user") == 0) {
191	0	if (found == NULL)
192	0	goto error;
193	0	sy->range_type = STYLE_RANGE_USER;
194	0	sy->range_argument = 0;
195	0	style_set_range_string(sy, found);
196	0	}
197	1.19k	} else if (strcasecmp(tmp, "noalign") == 0)
198	0	sy->align = style_default.align;
199	1.19k	else if (end > 6 && strncasecmp(tmp, "align=", 6) == 0) {
200	0	if (strcasecmp(tmp + 6, "left") == 0)
201	0	sy->align = STYLE_ALIGN_LEFT;
202	0	else if (strcasecmp(tmp + 6, "centre") == 0)
203	0	sy->align = STYLE_ALIGN_CENTRE;
204	0	else if (strcasecmp(tmp + 6, "right") == 0)
205	0	sy->align = STYLE_ALIGN_RIGHT;
206	0	else if (strcasecmp(tmp + 6, "absolute-centre") == 0)
207	0	sy->align = STYLE_ALIGN_ABSOLUTE_CENTRE;
208	0	else
209	0	goto error;
210	1.19k	} else if (end > 5 && strncasecmp(tmp, "fill=", 5) == 0) {
211	0	if ((value = colour_fromstring(tmp + 5)) == -1)
212	0	goto error;
213	0	sy->fill = value;
214	1.19k	} else if (end > 4 && strncasecmp(tmp, "dim=", 4) == 0) {
215	64	if (tmp[end - 1] == '%')
216	64	tmp[end - 1] = '\0';
217	64	n = strtonum(tmp + 4, 0, 100, &errstr);
218	64	if (errstr != NULL)
219	64	goto error;
220	0	sy->dim = n;
221	1.12k	} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
222	271	if ((value = colour_fromstring(tmp + 3)) == -1)
223	64	goto error;
224	207	if (in == 'f' \|\| in == 'F') {
225	15	if (value != 8)
226	15	sy->gc.fg = value;
227	0	else
228	0	sy->gc.fg = base->fg;
229	192	} else if (in == 'b' \|\| in == 'B') {
230	192	if (value != 8)
231	128	sy->gc.bg = value;
232	64	else
233	64	sy->gc.bg = base->bg;
234	192	} else
235	0	goto error;
236	855	} else if (end > 3 && strncasecmp(tmp, "us=", 3) == 0) {
237	8	if ((value = colour_fromstring(tmp + 3)) == -1)
238	8	goto error;
239	0	if (value != 8)
240	0	sy->gc.us = value;
241	0	else
242	0	sy->gc.us = base->us;
243	847	} else if (strcasecmp(tmp, "none") == 0)
244	0	sy->gc.attr = 0;
245	847	else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
246	128	if (strcmp(tmp + 2, "link") == 0)
247	64	sy->link = 0;
248	64	else if (strcmp(tmp + 2, "attr") == 0)
249	0	sy->gc.attr \|= GRID_ATTR_NOATTR;
250	64	else {
251	64	value = attributes_fromstring(tmp + 2);
252	64	if (value == -1)
253	64	goto error;
254	0	sy->gc.attr &= ~value;
255	0	}
256	719	} else if (end > 6 && strncasecmp(tmp, "width=", 6) == 0) {
257	32	if (end > 7 && tmp[end - 1] == '%') {
258	16	tmp[end - 1] = '\0';
259	16	n = strtonum(tmp + 6, 0, 100, &errstr);
260	16	if (errstr != NULL)
261	16	goto error;
262	0	sy->width = (int)n;
263	0	sy->width_percentage = 1;
264	16	} else {
265	16	n = strtonum(tmp + 6, 0, UINT_MAX, &errstr);
266	16	if (errstr != NULL)
267	0	goto error;
268	16	sy->width = (int)n;
269	16	sy->width_percentage = 0;
270	16	}
271	687	} else if (end > 4 && strncasecmp(tmp, "pad=", 4) == 0) {
272	12	n = strtonum(tmp + 4, 0, UINT_MAX, &errstr);
273	12	if (errstr != NULL)
274	12	goto error;
275	0	sy->pad = (int)n;
276	675	} else if (strncasecmp(tmp, "link=", 5) == 0) {
277	128	if (tmp[5] == '\0')
278	128	sy->link = 0;
279	0	else {
280	0	if (style_hyperlinks == NULL)
281	0	style_hyperlinks = hyperlinks_init();
282	0	sy->link = hyperlinks_put(style_hyperlinks,
283	0	tmp + 5, tmp + 5);
284	0	}
285	547	} else {
286	547	if ((value = attributes_fromstring(tmp)) == -1)
287	544	goto error;
288	3	sy->gc.attr \|= value;
289	3	}
290
291	418	in += end + strspn(in + end, delimiters);
292	418	} while (*in != '\0');
293
294	290	return (0);
295
296	1.17k	error:
297	1.17k	style_copy(sy, &saved);
298	1.17k	return (-1);
299	1.46k	}
300
301		/* Convert style to a string. */
302		const char *
303		style_tostring(struct style *sy)
304	0	{
305	0	struct grid_cell *gc = &sy->gc;
306	0	int off = 0;
307	0	const char comma = "", tmp = "", *uri;
308	0	static char s[2048];
309	0	char b[21];
310
311	0	*s = '\0';
312
313	0	if (sy->list != STYLE_LIST_OFF) {
314	0	if (sy->list == STYLE_LIST_ON)
315	0	tmp = "on";
316	0	else if (sy->list == STYLE_LIST_FOCUS)
317	0	tmp = "focus";
318	0	else if (sy->list == STYLE_LIST_LEFT_MARKER)
319	0	tmp = "left-marker";
320	0	else if (sy->list == STYLE_LIST_RIGHT_MARKER)
321	0	tmp = "right-marker";
322	0	off += xsnprintf(s + off, sizeof s - off, "%slist=%s", comma,
323	0	tmp);
324	0	comma = ",";
325	0	}
326	0	if (sy->range_type != STYLE_RANGE_NONE) {
327	0	if (sy->range_type == STYLE_RANGE_LEFT)
328	0	tmp = "left";
329	0	else if (sy->range_type == STYLE_RANGE_RIGHT)
330	0	tmp = "right";
331	0	else if (sy->range_type == STYLE_RANGE_PANE) {
332	0	snprintf(b, sizeof b, "pane\|%%%u", sy->range_argument);
333	0	tmp = b;
334	0	} else if (sy->range_type == STYLE_RANGE_WINDOW) {
335	0	snprintf(b, sizeof b, "window\|%u", sy->range_argument);
336	0	tmp = b;
337	0	} else if (sy->range_type == STYLE_RANGE_SESSION) {
338	0	snprintf(b, sizeof b, "session\|$%u",
339	0	sy->range_argument);
340	0	tmp = b;
341	0	} else if (sy->range_type == STYLE_RANGE_USER) {
342	0	snprintf(b, sizeof b, "user\|%s", sy->range_string);
343	0	tmp = b;
344	0	}
345	0	off += xsnprintf(s + off, sizeof s - off, "%srange=%s", comma,
346	0	tmp);
347	0	comma = ",";
348	0	}
349	0	if (sy->align != STYLE_ALIGN_DEFAULT) {
350	0	if (sy->align == STYLE_ALIGN_LEFT)
351	0	tmp = "left";
352	0	else if (sy->align == STYLE_ALIGN_CENTRE)
353	0	tmp = "centre";
354	0	else if (sy->align == STYLE_ALIGN_RIGHT)
355	0	tmp = "right";
356	0	else if (sy->align == STYLE_ALIGN_ABSOLUTE_CENTRE)
357	0	tmp = "absolute-centre";
358	0	off += xsnprintf(s + off, sizeof s - off, "%salign=%s", comma,
359	0	tmp);
360	0	comma = ",";
361	0	}
362	0	if (sy->default_type != STYLE_DEFAULT_BASE) {
363	0	if (sy->default_type == STYLE_DEFAULT_PUSH)
364	0	tmp = "push-default";
365	0	else if (sy->default_type == STYLE_DEFAULT_POP)
366	0	tmp = "pop-default";
367	0	else if (sy->default_type == STYLE_DEFAULT_SET)
368	0	tmp = "set-default";
369	0	off += xsnprintf(s + off, sizeof s - off, "%s%s", comma, tmp);
370	0	comma = ",";
371	0	}
372	0	if (sy->fill != 8) {
373	0	off += xsnprintf(s + off, sizeof s - off, "%sfill=%s", comma,
374	0	colour_tostring(sy->fill));
375	0	comma = ",";
376	0	}
377	0	if (sy->dim != 0) {
378	0	off += xsnprintf(s + off, sizeof s - off, "%sdim=%d%%", comma,
379	0	sy->dim);
380	0	comma = ",";
381	0	}
382	0	if (gc->fg != 8) {
383	0	off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
384	0	colour_tostring(gc->fg));
385	0	comma = ",";
386	0	}
387	0	if (gc->bg != 8) {
388	0	off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
389	0	colour_tostring(gc->bg));
390	0	comma = ",";
391	0	}
392	0	if (gc->us != 8) {
393	0	off += xsnprintf(s + off, sizeof s - off, "%sus=%s", comma,
394	0	colour_tostring(gc->us));
395	0	comma = ",";
396	0	}
397	0	if (gc->attr != 0) {
398	0	off += xsnprintf(s + off, sizeof s - off, "%s%s", comma,
399	0	attributes_tostring(gc->attr));
400	0	comma = ",";
401	0	}
402	0	if (sy->width >= 0) {
403	0	if (sy->width_percentage)
404	0	off += xsnprintf(s + off, sizeof s - off,
405	0	"%swidth=%u%%", comma, sy->width);
406	0	else
407	0	off += xsnprintf(s + off, sizeof s - off,
408	0	"%swidth=%u", comma, sy->width);
409	0	comma = ",";
410	0	}
411	0	if (sy->pad >= 0) {
412	0	off += xsnprintf(s + off, sizeof s - off, "%spad=%u", comma,
413	0	sy->pad);
414	0	comma = ",";
415	0	}
416	0	uri = style_link(sy);
417	0	if (uri != NULL) {
418	0	xsnprintf(s + off, sizeof s - off, "%slink=%s", comma, uri);
419	0	comma = ",";
420	0	}
421	0	if (*s == '\0')
422	0	return ("default");
423	0	return (s);
424	0	}
425
426		/* Get the hyperlink URI for a style, or NULL if it has none. */
427		const char *
428		style_link(struct style *sy)
429	0	{
430	0	const char *uri;
431
432	0	if (sy->link == 0 \|\| style_hyperlinks == NULL)
433	0	return (NULL);
434	0	if (!hyperlinks_get(style_hyperlinks, sy->link, &uri, NULL, NULL))
435	0	return (NULL);
436	0	return (uri);
437	0	}
438
439		/* Apply a style on top of the given style. */
440		struct style *
441		style_add(struct grid_cell gc, struct options oo, const char *name,
442		struct format_tree *ft)
443	0	{
444	0	struct style *sy;
445	0	struct format_tree *ft0 = NULL;
446
447	0	if (ft == NULL)
448	0	ft = ft0 = format_create(NULL, NULL, 0, FORMAT_NOJOBS);
449
450	0	sy = options_string_to_style(oo, name, ft);
451	0	if (sy == NULL)
452	0	sy = &style_default;
453	0	if (sy->gc.fg != 8)
454	0	gc->fg = sy->gc.fg;
455	0	if (sy->gc.bg != 8)
456	0	gc->bg = sy->gc.bg;
457	0	if (sy->gc.us != 8)
458	0	gc->us = sy->gc.us;
459	0	gc->attr \|= sy->gc.attr;
460
461	0	if (ft0 != NULL)
462	0	format_free(ft0);
463	0	return (sy);
464	0	}
465
466		/* Apply a style on top of the default style. */
467		void
468		style_apply(struct grid_cell gc, struct options oo, const char *name,
469		struct format_tree *ft)
470	0	{
471	0	memcpy(gc, &grid_default_cell, sizeof *gc);
472	0	style_add(gc, oo, name, ft);
473	0	}
474
475		/* Parse a single colour into a style */
476		int
477		style_parse_colour(struct style sy, const struct grid_cell base,
478		const char *s)
479	0	{
480	0	int c;
481
482	0	style_set(sy, base);
483
484	0	if (*s == '\0') {
485	0	sy->gc.fg = -1;
486	0	return (0);
487	0	}
488
489	0	if ((c = colour_fromstring(s)) == -1)
490	0	return (-1);
491	0	if (c == 8)
492	0	sy->gc.fg = base->fg;
493	0	else
494	0	sy->gc.fg = c;
495	0	return (0);
496	0	}
497
498		/* Initialize style from cell. */
499		void
500		style_set(struct style sy, const struct grid_cell gc)
501	908	{
502	908	memcpy(sy, &style_default, sizeof *sy);
503	908	memcpy(&sy->gc, gc, sizeof sy->gc);
504	908	}
505
506		/* Copy style. */
507		void
508		style_copy(struct style dst, struct style src)
509	2.64k	{
510	2.64k	memcpy(dst, src, sizeof *dst);
511	2.64k	}
512
513		/* Set scrollbar style from an option. */
514		void
515		style_set_scrollbar_style_from_option(struct style *sb_style,
516		struct options *oo)
517	0	{
518	0	const struct options_table_entry *oe;
519	0	struct options_entry *o;
520	0	const char *s;
521	0	char style, expanded;
522
523	0	style_set(sb_style, &grid_default_cell);
524	0	o = options_get(oo, "pane-scrollbars-style");
525	0	if (o == NULL)
526	0	fatalx("missing pane-scrollbars-style");
527	0	oe = options_table_entry(o);
528	0	style = format_single(NULL, oe->default_str, NULL, NULL, NULL, NULL);
529	0	if (style_parse(sb_style, &grid_default_cell, style) != 0)
530	0	fatalx("bad pane-scrollbars-style default");
531
532	0	s = options_get_string(oo, "pane-scrollbars-style");
533	0	if (s != NULL) {
534	0	expanded = format_single(NULL, s, NULL, NULL, NULL, NULL);
535	0	if (style_parse(sb_style, &grid_default_cell, expanded) != 0)
536	0	style_parse(sb_style, &grid_default_cell, style);
537	0	free(expanded);
538	0	}
539	0	free(style);
540	0	if (sb_style->width < 1)
541	0	sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
542	0	if (sb_style->pad < 0)
543	0	sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
544	0	utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
545	0	}
546
547		/* Initialize style ranges. */
548		void
549		style_ranges_init(struct style_ranges *srs)
550	0	{
551	0	TAILQ_INIT(srs);
552	0	}
553
554		/* Free style ranges. */
555		void
556		style_ranges_free(struct style_ranges *srs)
557	0	{
558	0	struct style_range sr, sr1;
559
560	0	TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) {
561	0	TAILQ_REMOVE(srs, sr, entry);
562	0	free(sr);
563	0	}
564	0	}
565
566		/* Get range for position from style ranges. */
567		struct style_range *
568		style_ranges_get_range(struct style_ranges *srs, u_int x)
569	0	{
570	0	struct style_range *sr;
571
572	0	if (srs == NULL)
573	0	return (NULL);
574	0	TAILQ_FOREACH(sr, srs, entry) {
575	0	if (x >= sr->start && x < sr->end)
576	0	return (sr);
577	0	}
578	0	return (NULL);
579	0	}