/src/tmux/style.c

Source
/* $OpenBSD: style.c,v 1.48 2026/10/16 07:59:06 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,
  0,
  0,

  STYLE_DEFAULT_BASE
};

/*
 * 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, "nl") == 0)
      sy->nl = 1;
    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);
}

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

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

Coverage Report

Created: 2026-10-17 06:19

Line	Count	Source
1		/* $OpenBSD: style.c,v 1.48 2026/10/16 07:59:06 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		0,
45		0,
46
47		STYLE_DEFAULT_BASE
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	2.87k	{
60	2.87k	strlcpy(sy->range_string, s, sizeof sy->range_string);
61	2.87k	}
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	1.02M	{
71	1.02M	struct style saved;
72	1.02M	const char delimiters[] = " ,\n", *errstr;
73	1.02M	char tmp[256], *found;
74	1.02M	int value;
75	1.02M	size_t end;
76	1.02M	u_int n;
77
78	1.02M	if (*in == '\0')
79	486	return (0);
80	1.02M	style_copy(&saved, sy);
81
82	1.02M	log_debug("%s: %s", __func__, in);
83	1.10M	do {
84	1.33M	while (in != '\0' && strchr(delimiters, in) != NULL)
85	234k	in++;
86	1.10M	if (*in == '\0')
87	456	break;
88
89	1.10M	end = strcspn(in, delimiters);
90	1.10M	if (end > (sizeof tmp) - 1)
91	830	goto error;
92	1.09M	memcpy(tmp, in, end);
93	1.09M	tmp[end] = '\0';
94
95	1.09M	log_debug("%s: %s", __func__, tmp);
96	1.09M	if (strcasecmp(tmp, "default") == 0) {
97	5.84k	sy->gc.fg = base->fg;
98	5.84k	sy->gc.bg = base->bg;
99	5.84k	sy->gc.us = base->us;
100	5.84k	sy->gc.attr = base->attr;
101	5.84k	sy->gc.flags = base->flags;
102	5.84k	sy->link = 0;
103	1.09M	} else if (strcasecmp(tmp, "ignore") == 0)
104	220	sy->ignore = 1;
105	1.09M	else if (strcasecmp(tmp, "noignore") == 0)
106	221	sy->ignore = 0;
107	1.09M	else if (strcasecmp(tmp, "push-default") == 0)
108	4.67k	sy->default_type = STYLE_DEFAULT_PUSH;
109	1.08M	else if (strcasecmp(tmp, "pop-default") == 0)
110	4.66k	sy->default_type = STYLE_DEFAULT_POP;
111	1.08M	else if (strcasecmp(tmp, "set-default") == 0)
112	17.4k	sy->default_type = STYLE_DEFAULT_SET;
113	1.06M	else if (strcasecmp(tmp, "nl") == 0)
114	0	sy->nl = 1;
115	1.06M	else if (strcasecmp(tmp, "nolist") == 0)
116	584	sy->list = STYLE_LIST_OFF;
117	1.06M	else if (strncasecmp(tmp, "list=", 5) == 0) {
118	45.4k	if (strcasecmp(tmp + 5, "on") == 0)
119	6.42k	sy->list = STYLE_LIST_ON;
120	39.0k	else if (strcasecmp(tmp + 5, "focus") == 0)
121	194	sy->list = STYLE_LIST_FOCUS;
122	38.8k	else if (strcasecmp(tmp + 5, "left-marker") == 0)
123	1.75k	sy->list = STYLE_LIST_LEFT_MARKER;
124	37.1k	else if (strcasecmp(tmp + 5, "right-marker") == 0)
125	1.75k	sy->list = STYLE_LIST_RIGHT_MARKER;
126	35.3k	else
127	35.3k	goto error;
128	1.02M	} else if (strcasecmp(tmp, "norange") == 0) {
129	5.83k	sy->range_type = style_default.range_type;
130	5.83k	sy->range_argument = style_default.range_type;
131	5.83k	strlcpy(sy->range_string, style_default.range_string,
132	5.83k	sizeof sy->range_string);
133	1.01M	} else if (end > 6 && strncasecmp(tmp, "range=", 6) == 0) {
134	31.0k	found = strchr(tmp + 6, '\|');
135	31.0k	if (found != NULL) {
136	25.9k	*found++ = '\0';
137	25.9k	if (*found == '\0')
138	307	goto error;
139	25.9k	}
140	30.7k	if (strcasecmp(tmp + 6, "left") == 0) {
141	883	if (found != NULL)
142	297	goto error;
143	586	sy->range_type = STYLE_RANGE_LEFT;
144	586	sy->range_argument = 0;
145	586	style_set_range_string(sy, "");
146	29.8k	} else if (strcasecmp(tmp + 6, "right") == 0) {
147	879	if (found != NULL)
148	297	goto error;
149	582	sy->range_type = STYLE_RANGE_RIGHT;
150	582	sy->range_argument = 0;
151	582	style_set_range_string(sy, "");
152	28.9k	} else if (strcasecmp(tmp + 6, "control") == 0) {
153	679	if (found == NULL)
154	283	goto error;
155	396	n = strtonum(found, 0, 9, &errstr);
156	396	if (errstr != NULL)
157	198	goto error;
158	198	sy->range_type = STYLE_RANGE_CONTROL;
159	198	sy->range_argument = n;
160	198	style_set_range_string(sy, "");
161	28.2k	} else if (strcasecmp(tmp + 6, "pane") == 0) {
162	2.17k	if (found == NULL)
163	198	goto error;
164	1.98k	if (*found != '%' \|\| found[1] == '\0')
165	1.36k	goto error;
166	612	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
167	612	if (errstr != NULL)
168	277	goto error;
169	335	sy->range_type = STYLE_RANGE_PANE;
170	335	sy->range_argument = n;
171	335	style_set_range_string(sy, "");
172	26.1k	} else if (strcasecmp(tmp + 6, "window") == 0) {
173	1.96k	if (found == NULL)
174	221	goto error;
175	1.74k	n = strtonum(found, 0, UINT_MAX, &errstr);
176	1.74k	if (errstr != NULL)
177	1.38k	goto error;
178	361	sy->range_type = STYLE_RANGE_WINDOW;
179	361	sy->range_argument = n;
180	361	style_set_range_string(sy, "");
181	24.1k	} else if (strcasecmp(tmp + 6, "session") == 0) {
182	2.26k	if (found == NULL)
183	297	goto error;
184	1.96k	if (*found != '$' \|\| found[1] == '\0')
185	1.43k	goto error;
186	533	n = strtonum(found + 1, 0, UINT_MAX, &errstr);
187	533	if (errstr != NULL)
188	202	goto error;
189	331	sy->range_type = STYLE_RANGE_SESSION;
190	331	sy->range_argument = n;
191	331	style_set_range_string(sy, "");
192	21.8k	} else if (strcasecmp(tmp + 6, "user") == 0) {
193	756	if (found == NULL)
194	278	goto error;
195	478	sy->range_type = STYLE_RANGE_USER;
196	478	sy->range_argument = 0;
197	478	style_set_range_string(sy, found);
198	478	}
199	983k	} else if (strcasecmp(tmp, "noalign") == 0)
200	282	sy->align = style_default.align;
201	983k	else if (end > 6 && strncasecmp(tmp, "align=", 6) == 0) {
202	5.94k	if (strcasecmp(tmp + 6, "left") == 0)
203	1.77k	sy->align = STYLE_ALIGN_LEFT;
204	4.16k	else if (strcasecmp(tmp + 6, "centre") == 0)
205	395	sy->align = STYLE_ALIGN_CENTRE;
206	3.77k	else if (strcasecmp(tmp + 6, "right") == 0)
207	593	sy->align = STYLE_ALIGN_RIGHT;
208	3.18k	else if (strcasecmp(tmp + 6, "absolute-centre") == 0)
209	569	sy->align = STYLE_ALIGN_ABSOLUTE_CENTRE;
210	2.61k	else
211	2.61k	goto error;
212	977k	} else if (end > 5 && strncasecmp(tmp, "fill=", 5) == 0) {
213	16.7k	if ((value = colour_fromstring(tmp + 5)) == -1)
214	16.4k	goto error;
215	346	sy->fill = value;
216	960k	} else if (end > 4 && strncasecmp(tmp, "dim=", 4) == 0) {
217	1.02k	if (tmp[end - 1] == '%')
218	413	tmp[end - 1] = '\0';
219	1.02k	n = strtonum(tmp + 4, 0, 100, &errstr);
220	1.02k	if (errstr != NULL)
221	823	goto error;
222	200	sy->dim = n;
223	959k	} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
224	16.0k	if ((value = colour_fromstring(tmp + 3)) == -1)
225	4.70k	goto error;
226	11.3k	if (in == 'f' \|\| in == 'F') {
227	952	if (value != 8)
228	677	sy->gc.fg = value;
229	275	else
230	275	sy->gc.fg = base->fg;
231	10.4k	} else if (in == 'b' \|\| in == 'B') {
232	10.0k	if (value != 8)
233	9.68k	sy->gc.bg = value;
234	368	else
235	368	sy->gc.bg = base->bg;
236	10.0k	} else
237	374	goto error;
238	943k	} else if (end > 3 && strncasecmp(tmp, "us=", 3) == 0) {
239	1.02k	if ((value = colour_fromstring(tmp + 3)) == -1)
240	455	goto error;
241	569	if (value != 8)
242	303	sy->gc.us = value;
243	266	else
244	266	sy->gc.us = base->us;
245	942k	} else if (strcasecmp(tmp, "none") == 0)
246	203	sy->gc.attr = 0;
247	942k	else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
248	40.9k	if (strcmp(tmp + 2, "link") == 0)
249	278	sy->link = 0;
250	40.7k	else if (strcmp(tmp + 2, "attr") == 0)
251	205	sy->gc.attr \|= GRID_ATTR_NOATTR;
252	40.5k	else {
253	40.5k	value = attributes_fromstring(tmp + 2);
254	40.5k	if (value == -1)
255	40.0k	goto error;
256	477	sy->gc.attr &= ~value;
257	477	}
258	901k	} else if (end > 6 && strncasecmp(tmp, "width=", 6) == 0) {
259	72.8k	if (end > 7 && tmp[end - 1] == '%') {
260	2.76k	tmp[end - 1] = '\0';
261	2.76k	n = strtonum(tmp + 6, 0, 100, &errstr);
262	2.76k	if (errstr != NULL)
263	1.38k	goto error;
264	1.38k	sy->width = (int)n;
265	1.38k	sy->width_percentage = 1;
266	70.0k	} else {
267	70.0k	n = strtonum(tmp + 6, 0, UINT_MAX, &errstr);
268	70.0k	if (errstr != NULL)
269	69.8k	goto error;
270	205	sy->width = (int)n;
271	205	sy->width_percentage = 0;
272	205	}
273	828k	} else if (end > 4 && strncasecmp(tmp, "pad=", 4) == 0) {
274	897	n = strtonum(tmp + 4, 0, UINT_MAX, &errstr);
275	897	if (errstr != NULL)
276	543	goto error;
277	354	sy->pad = (int)n;
278	827k	} else if (strncasecmp(tmp, "link=", 5) == 0) {
279	529k	if (tmp[5] == '\0')
280	1.47k	sy->link = 0;
281	528k	else {
282	528k	if (style_hyperlinks == NULL)
283	1	style_hyperlinks = hyperlinks_init();
284	528k	sy->link = hyperlinks_put(style_hyperlinks,
285	528k	tmp + 5, tmp + 5);
286	528k	}
287	529k	} else {
288	297k	if ((value = attributes_fromstring(tmp)) == -1)
289	297k	goto error;
290	542	sy->gc.attr \|= value;
291	542	}
292
293	622k	in += end + strspn(in + end, delimiters);
294	622k	} while (*in != '\0');
295
296	550k	return (0);
297
298	477k	error:
299	477k	style_copy(sy, &saved);
300	477k	return (-1);
301	1.02M	}
302
303		/* Convert style to a string. */
304		const char *
305		style_tostring(struct style *sy)
306	0	{
307	0	struct grid_cell *gc = &sy->gc;
308	0	int off = 0;
309	0	const char comma = "", tmp = "", *uri;
310	0	static char s[2048];
311	0	char b[21];
312
313	0	*s = '\0';
314
315	0	if (sy->list != STYLE_LIST_OFF) {
316	0	if (sy->list == STYLE_LIST_ON)
317	0	tmp = "on";
318	0	else if (sy->list == STYLE_LIST_FOCUS)
319	0	tmp = "focus";
320	0	else if (sy->list == STYLE_LIST_LEFT_MARKER)
321	0	tmp = "left-marker";
322	0	else if (sy->list == STYLE_LIST_RIGHT_MARKER)
323	0	tmp = "right-marker";
324	0	off += xsnprintf(s + off, sizeof s - off, "%slist=%s", comma,
325	0	tmp);
326	0	comma = ",";
327	0	}
328	0	if (sy->range_type != STYLE_RANGE_NONE) {
329	0	if (sy->range_type == STYLE_RANGE_LEFT)
330	0	tmp = "left";
331	0	else if (sy->range_type == STYLE_RANGE_RIGHT)
332	0	tmp = "right";
333	0	else if (sy->range_type == STYLE_RANGE_PANE) {
334	0	snprintf(b, sizeof b, "pane\|%%%u", sy->range_argument);
335	0	tmp = b;
336	0	} else if (sy->range_type == STYLE_RANGE_WINDOW) {
337	0	snprintf(b, sizeof b, "window\|%u", sy->range_argument);
338	0	tmp = b;
339	0	} else if (sy->range_type == STYLE_RANGE_SESSION) {
340	0	snprintf(b, sizeof b, "session\|$%u",
341	0	sy->range_argument);
342	0	tmp = b;
343	0	} else if (sy->range_type == STYLE_RANGE_USER) {
344	0	snprintf(b, sizeof b, "user\|%s", sy->range_string);
345	0	tmp = b;
346	0	}
347	0	off += xsnprintf(s + off, sizeof s - off, "%srange=%s", comma,
348	0	tmp);
349	0	comma = ",";
350	0	}
351	0	if (sy->align != STYLE_ALIGN_DEFAULT) {
352	0	if (sy->align == STYLE_ALIGN_LEFT)
353	0	tmp = "left";
354	0	else if (sy->align == STYLE_ALIGN_CENTRE)
355	0	tmp = "centre";
356	0	else if (sy->align == STYLE_ALIGN_RIGHT)
357	0	tmp = "right";
358	0	else if (sy->align == STYLE_ALIGN_ABSOLUTE_CENTRE)
359	0	tmp = "absolute-centre";
360	0	off += xsnprintf(s + off, sizeof s - off, "%salign=%s", comma,
361	0	tmp);
362	0	comma = ",";
363	0	}
364	0	if (sy->default_type != STYLE_DEFAULT_BASE) {
365	0	if (sy->default_type == STYLE_DEFAULT_PUSH)
366	0	tmp = "push-default";
367	0	else if (sy->default_type == STYLE_DEFAULT_POP)
368	0	tmp = "pop-default";
369	0	else if (sy->default_type == STYLE_DEFAULT_SET)
370	0	tmp = "set-default";
371	0	off += xsnprintf(s + off, sizeof s - off, "%s%s", comma, tmp);
372	0	comma = ",";
373	0	}
374	0	if (sy->fill != 8) {
375	0	off += xsnprintf(s + off, sizeof s - off, "%sfill=%s", comma,
376	0	colour_tostring(sy->fill));
377	0	comma = ",";
378	0	}
379	0	if (sy->dim != 0) {
380	0	off += xsnprintf(s + off, sizeof s - off, "%sdim=%d%%", comma,
381	0	sy->dim);
382	0	comma = ",";
383	0	}
384	0	if (gc->fg != 8) {
385	0	off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
386	0	colour_tostring(gc->fg));
387	0	comma = ",";
388	0	}
389	0	if (gc->bg != 8) {
390	0	off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
391	0	colour_tostring(gc->bg));
392	0	comma = ",";
393	0	}
394	0	if (gc->us != 8) {
395	0	off += xsnprintf(s + off, sizeof s - off, "%sus=%s", comma,
396	0	colour_tostring(gc->us));
397	0	comma = ",";
398	0	}
399	0	if (gc->attr != 0) {
400	0	off += xsnprintf(s + off, sizeof s - off, "%s%s", comma,
401	0	attributes_tostring(gc->attr));
402	0	comma = ",";
403	0	}
404	0	if (sy->width >= 0) {
405	0	if (sy->width_percentage)
406	0	off += xsnprintf(s + off, sizeof s - off,
407	0	"%swidth=%u%%", comma, sy->width);
408	0	else
409	0	off += xsnprintf(s + off, sizeof s - off,
410	0	"%swidth=%u", comma, sy->width);
411	0	comma = ",";
412	0	}
413	0	if (sy->pad >= 0) {
414	0	off += xsnprintf(s + off, sizeof s - off, "%spad=%u", comma,
415	0	sy->pad);
416	0	comma = ",";
417	0	}
418	0	uri = style_link(sy);
419	0	if (uri != NULL) {
420	0	xsnprintf(s + off, sizeof s - off, "%slink=%s", comma, uri);
421	0	comma = ",";
422	0	}
423	0	if (*s == '\0')
424	0	return ("default");
425	0	return (s);
426	0	}
427
428		/* Get the hyperlink URI for a style, or NULL if it has none. */
429		const char *
430		style_link(struct style *sy)
431	0	{
432	0	const char *uri;
433
434	0	if (sy->link == 0 \|\| style_hyperlinks == NULL)
435	0	return (NULL);
436	0	if (!hyperlinks_get(style_hyperlinks, sy->link, &uri, NULL, NULL))
437	0	return (NULL);
438	0	return (uri);
439	0	}
440
441		/* Apply a style on top of the given style. */
442		struct style *
443		style_add(struct grid_cell gc, struct options oo, const char *name,
444		struct format_tree *ft)
445	0	{
446	0	struct style *sy;
447	0	struct format_tree *ft0 = NULL;
448
449	0	if (ft == NULL)
450	0	ft = ft0 = format_create(NULL, NULL, 0, FORMAT_NOJOBS);
451
452	0	sy = options_string_to_style(oo, name, ft);
453	0	if (sy == NULL)
454	0	sy = &style_default;
455	0	if (sy->gc.fg != 8)
456	0	gc->fg = sy->gc.fg;
457	0	if (sy->gc.bg != 8)
458	0	gc->bg = sy->gc.bg;
459	0	if (sy->gc.us != 8)
460	0	gc->us = sy->gc.us;
461	0	gc->attr \|= sy->gc.attr;
462
463	0	if (ft0 != NULL)
464	0	format_free(ft0);
465	0	return (sy);
466	0	}
467
468		/* Apply a style on top of the default style. */
469		void
470		style_apply(struct grid_cell gc, struct options oo, const char *name,
471		struct format_tree *ft)
472	0	{
473	0	memcpy(gc, &grid_default_cell, sizeof *gc);
474	0	style_add(gc, oo, name, ft);
475	0	}
476
477		/* Parse a single colour into a style */
478		int
479		style_parse_colour(struct style sy, const struct grid_cell base,
480		const char *s)
481	0	{
482	0	int c;
483
484	0	style_set(sy, base);
485
486	0	if (*s == '\0') {
487	0	sy->gc.fg = -1;
488	0	return (0);
489	0	}
490
491	0	if ((c = colour_fromstring(s)) == -1)
492	0	return (-1);
493	0	if (c == 8)
494	0	sy->gc.fg = base->fg;
495	0	else
496	0	sy->gc.fg = c;
497	0	return (0);
498	0	}
499
500		/* Initialize style from cell. */
501		void
502		style_set(struct style sy, const struct grid_cell gc)
503	65.8k	{
504	65.8k	memcpy(sy, &style_default, sizeof *sy);
505	65.8k	memcpy(&sy->gc, gc, sizeof sy->gc);
506	65.8k	}
507
508		/* Copy style. */
509		void
510		style_copy(struct style dst, struct style src)
511	1.50M	{
512	1.50M	memcpy(dst, src, sizeof *dst);
513	1.50M	}
514
515		/* Set scrollbar style from an option. */
516		void
517		style_set_scrollbar_style_from_option(struct style *sb_style,
518		struct options *oo)
519	0	{
520	0	const struct options_table_entry *oe;
521	0	struct options_entry *o;
522	0	const char *s;
523	0	char style, expanded;
524
525	0	style_set(sb_style, &grid_default_cell);
526	0	o = options_get(oo, "pane-scrollbars-style");
527	0	if (o == NULL)
528	0	fatalx("missing pane-scrollbars-style");
529	0	oe = options_table_entry(o);
530	0	style = format_single(NULL, oe->default_str, NULL, NULL, NULL, NULL);
531	0	if (style_parse(sb_style, &grid_default_cell, style) != 0)
532	0	fatalx("bad pane-scrollbars-style default");
533
534	0	s = options_get_string(oo, "pane-scrollbars-style");
535	0	if (s != NULL) {
536	0	expanded = format_single(NULL, s, NULL, NULL, NULL, NULL);
537	0	if (style_parse(sb_style, &grid_default_cell, expanded) != 0)
538	0	style_parse(sb_style, &grid_default_cell, style);
539	0	free(expanded);
540	0	}
541	0	free(style);
542	0	if (sb_style->width < 1)
543	0	sb_style->width = PANE_SCROLLBARS_DEFAULT_WIDTH;
544	0	if (sb_style->pad < 0)
545	0	sb_style->pad = PANE_SCROLLBARS_DEFAULT_PADDING;
546	0	utf8_set(&sb_style->gc.data, PANE_SCROLLBARS_CHARACTER);
547	0	}
548
549		/* Initialize style ranges. */
550		void
551		style_ranges_init(struct style_ranges *srs)
552	0	{
553	0	TAILQ_INIT(srs);
554	0	}
555
556		/* Free style ranges. */
557		void
558		style_ranges_free(struct style_ranges *srs)
559	0	{
560	0	struct style_range sr, sr1;
561
562	0	TAILQ_FOREACH_SAFE(sr, srs, entry, sr1) {
563	0	TAILQ_REMOVE(srs, sr, entry);
564	0	free(sr);
565	0	}
566	0	}
567
568		/* Get range for position from style ranges. */
569		struct style_range *
570		style_ranges_get_range(struct style_ranges *srs, u_int x)
571	0	{
572	0	struct style_range *sr;
573
574	0	if (srs == NULL)
575	0	return (NULL);
576	0	TAILQ_FOREACH(sr, srs, entry) {
577	0	if (x >= sr->start && x < sr->end)
578	0	return (sr);
579	0	}
580	0	return (NULL);
581	0	}
582
583		/* Get range for position and row from style ranges. */
584		struct style_range *
585		style_ranges_get_range_at(struct style_ranges *srs, u_int x, u_int y)
586	0	{
587	0	struct style_range *sr;
588
589	0	if (srs == NULL)
590	0	return (NULL);
591	0	TAILQ_FOREACH(sr, srs, entry) {
592	0	if (x >= sr->start && x < sr->end && y == sr->y)
593	0	return (sr);
594	0	}
595	0	return (NULL);
596	0	}