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Date:: Mon Jun 21 20:38:09 2021 UTC
Message:: rework color management: introduce the trailing props now, instead of prefix and line style, I'm adding the trailing style too. This changed the configuration syntax too.
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  1 c92e529c 2021-06-15 op /*
  2 c92e529c 2021-06-15 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
  3 c92e529c 2021-06-15 op  *
  4 c92e529c 2021-06-15 op  * Permission to use, copy, modify, and distribute this software for any
  5 c92e529c 2021-06-15 op  * purpose with or without fee is hereby granted, provided that the above
  6 c92e529c 2021-06-15 op  * copyright notice and this permission notice appear in all copies.
  7 c92e529c 2021-06-15 op  *
  8 c92e529c 2021-06-15 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 c92e529c 2021-06-15 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 c92e529c 2021-06-15 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 c92e529c 2021-06-15 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 c92e529c 2021-06-15 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 c92e529c 2021-06-15 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 c92e529c 2021-06-15 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 c92e529c 2021-06-15 op  */
 16 c92e529c 2021-06-15 op 
 17 c92e529c 2021-06-15 op #include "telescope.h"
 18 c92e529c 2021-06-15 op 
 19 c92e529c 2021-06-15 op #include <curses.h>
 20 1a99965e 2021-06-19 op #include <limits.h>
 21 db7cc27a 2021-06-19 op #include <stdlib.h>
 22 69e1d1b6 2021-06-15 op #include <string.h>
 23 c92e529c 2021-06-15 op 
 24 db7cc27a 2021-06-19 op char *new_tab_url = NULL;
 25 1a99965e 2021-06-19 op int fill_column = INT_MAX;
 26 72b18268 2021-06-19 op int olivetti_mode = 0;
 27 2c748a1f 2021-06-21 op int enable_colors = 1;
 28 1a99965e 2021-06-19 op 
 29 74a2587f 2021-06-21 op static struct lineface_descr {
 30 d89b86d6 2021-06-21 op 	int	used;
 31 d89b86d6 2021-06-21 op 	int	pp, p, tp;
 32 d89b86d6 2021-06-21 op 	int	prfx_bg, bg, trail_bg;
 33 d89b86d6 2021-06-21 op 	int	prfx_fg, fg, trail_fg;
 34 74a2587f 2021-06-21 op } linefaces_descr[] = {
 35 d89b86d6 2021-06-21 op 	[LINE_TEXT] =		{.pp=PT_PRFX,		.p=PT,		.tp=PT_TRAIL},
 36 d89b86d6 2021-06-21 op 	[LINE_LINK] =		{.pp=PL_PRFX,		.p=PL,		.tp=PL_TRAIL},
 37 d89b86d6 2021-06-21 op 	[LINE_TITLE_1] =	{.pp=PT1_PRFX,		.p=PT1,		.tp=PT1_TRAIL},
 38 d89b86d6 2021-06-21 op 	[LINE_TITLE_2] =	{.pp=PT2_PRFX,		.p=PT1,		.tp=PT1_TRAIL},
 39 d89b86d6 2021-06-21 op 	[LINE_TITLE_3] =	{.pp=PT3_PRFX,		.p=PT3,		.tp=PT3_TRAIL},
 40 d89b86d6 2021-06-21 op 	[LINE_ITEM] =		{.pp=PI_PRFX,		.p=PI,		.tp=PI_TRAIL},
 41 d89b86d6 2021-06-21 op 	[LINE_QUOTE] =		{.pp=PQ_PRFX,		.p=PQ,		.tp=PQ_TRAIL},
 42 d89b86d6 2021-06-21 op 	[LINE_PRE_START] =	{.pp=PPSTART_PRFX,	.p=PT,		.tp=PT_TRAIL},
 43 d89b86d6 2021-06-21 op 	[LINE_PRE_CONTENT] =	{.pp=PP_PRFX,		.p=PP,		.tp=PP_TRAIL},
 44 d89b86d6 2021-06-21 op 	[LINE_PRE_END] =	{.pp=PPEND_PRFX,	.p=PPEND,	.tp=PPEND_TRAIL},
 45 d89b86d6 2021-06-21 op 
 46 74a2587f 2021-06-21 op };
 47 74a2587f 2021-06-21 op 
 48 c92e529c 2021-06-15 op struct lineprefix line_prefixes[] = {
 49 c92e529c 2021-06-15 op 	[LINE_TEXT] =		{ "",		"" },
 50 c92e529c 2021-06-15 op 	[LINE_LINK] =		{ "=> ",	"   " },
 51 c92e529c 2021-06-15 op 	[LINE_TITLE_1] =	{ "# ",		"  " },
 52 c92e529c 2021-06-15 op 	[LINE_TITLE_2] =	{ "## ",	"   " },
 53 c92e529c 2021-06-15 op 	[LINE_TITLE_3] =	{ "### ",	"    " },
 54 c92e529c 2021-06-15 op 	[LINE_ITEM] =		{ "* ",		"  " },
 55 c92e529c 2021-06-15 op 	[LINE_QUOTE] =		{ "> ",		"  " },
 56 c92e529c 2021-06-15 op 	[LINE_PRE_START] =	{ "```",	"   " },
 57 c92e529c 2021-06-15 op 	[LINE_PRE_CONTENT] =	{ "",		"" },
 58 c92e529c 2021-06-15 op 	[LINE_PRE_END] =	{ "```",	"```" },
 59 c92e529c 2021-06-15 op };
 60 c92e529c 2021-06-15 op 
 61 c92e529c 2021-06-15 op struct line_face line_faces[] = {
 62 d89b86d6 2021-06-21 op 	[LINE_TEXT] =		{ 0,		0,		0 },
 63 d89b86d6 2021-06-21 op 	[LINE_LINK] =		{ 0,		A_UNDERLINE,	0 },
 64 d89b86d6 2021-06-21 op 	[LINE_TITLE_1] =	{ A_BOLD,	A_BOLD,		0 },
 65 d89b86d6 2021-06-21 op 	[LINE_TITLE_2] =	{ A_BOLD,	A_BOLD,		0 },
 66 d89b86d6 2021-06-21 op 	[LINE_TITLE_3] =	{ A_BOLD,	A_BOLD,		0 },
 67 d89b86d6 2021-06-21 op 	[LINE_ITEM] =		{ 0,		0,		0 },
 68 d89b86d6 2021-06-21 op 	[LINE_QUOTE] =		{ 0,		A_DIM,		0 },
 69 d89b86d6 2021-06-21 op 	[LINE_PRE_START] =	{ 0,		0,		0 },
 70 d89b86d6 2021-06-21 op 	[LINE_PRE_CONTENT] =	{ 0,		0,		0 },
 71 d89b86d6 2021-06-21 op 	[LINE_PRE_END] =	{ 0,		0,		0 },
 72 c92e529c 2021-06-15 op };
 73 c92e529c 2021-06-15 op 
 74 c92e529c 2021-06-15 op struct tab_face tab_face = {
 75 c92e529c 2021-06-15 op 	.background	= A_REVERSE,
 76 c92e529c 2021-06-15 op 	.tab		= A_REVERSE,
 77 c92e529c 2021-06-15 op 	.current_tab	= A_NORMAL,
 78 c92e529c 2021-06-15 op };
 79 d5493194 2021-06-15 op 
 80 d5493194 2021-06-15 op struct modeline_face modeline_face = {
 81 d5493194 2021-06-15 op 	.background = A_REVERSE,
 82 d5493194 2021-06-15 op };
 83 d5493194 2021-06-15 op 
 84 d5493194 2021-06-15 op struct minibuffer_face minibuffer_face = {
 85 d5493194 2021-06-15 op 	.background = A_NORMAL,
 86 d5493194 2021-06-15 op };
 87 69e1d1b6 2021-06-15 op 
 88 74a2587f 2021-06-21 op struct mapping {
 89 74a2587f 2021-06-21 op 	const char	*label;
 90 74a2587f 2021-06-21 op 	int		 linetype;
 91 74a2587f 2021-06-21 op } mappings[] = {
 92 d89b86d6 2021-06-21 op 	{"text",	LINE_TEXT},
 93 d89b86d6 2021-06-21 op 	{"link",	LINE_LINK},
 94 d89b86d6 2021-06-21 op 	{"title1",	LINE_TITLE_1},
 95 d89b86d6 2021-06-21 op 	{"title2",	LINE_TITLE_2},
 96 d89b86d6 2021-06-21 op 	{"title3",	LINE_TITLE_3},
 97 d89b86d6 2021-06-21 op 	{"item",	LINE_ITEM},
 98 d89b86d6 2021-06-21 op 	{"quote",	LINE_QUOTE},
 99 d89b86d6 2021-06-21 op 	{"pre.start",	LINE_PRE_START},
100 d89b86d6 2021-06-21 op 	{"pre",		LINE_PRE_CONTENT},
101 d89b86d6 2021-06-21 op 	{"pre.end",	LINE_PRE_END},
102 74a2587f 2021-06-21 op };
103 74a2587f 2021-06-21 op 
104 74a2587f 2021-06-21 op static struct mapping *
105 74a2587f 2021-06-21 op mapping_by_name(const char *name)
106 74a2587f 2021-06-21 op {
107 74a2587f 2021-06-21 op 	size_t i;
108 74a2587f 2021-06-21 op 
109 74a2587f 2021-06-21 op 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
110 74a2587f 2021-06-21 op 		if (!strcmp(name, mappings[i].label))
111 74a2587f 2021-06-21 op 			return &mappings[i];
112 74a2587f 2021-06-21 op 	}
113 74a2587f 2021-06-21 op 
114 74a2587f 2021-06-21 op 	return NULL;
115 74a2587f 2021-06-21 op }
116 74a2587f 2021-06-21 op 
117 69e1d1b6 2021-06-15 op int
118 d89b86d6 2021-06-21 op config_setprfx(const char *name, const char *prfx, const char *cont)
119 69e1d1b6 2021-06-15 op {
120 69e1d1b6 2021-06-15 op 	struct lineprefix *p;
121 74a2587f 2021-06-21 op 	struct mapping *m;
122 69e1d1b6 2021-06-15 op 
123 69e1d1b6 2021-06-15 op 	if (!has_prefix(name, "line."))
124 69e1d1b6 2021-06-15 op 		return 0;
125 69e1d1b6 2021-06-15 op 	name += 5;
126 69e1d1b6 2021-06-15 op 
127 74a2587f 2021-06-21 op 	if ((m = mapping_by_name(name)) == NULL)
128 74a2587f 2021-06-21 op 		return 0;
129 69e1d1b6 2021-06-15 op 
130 74a2587f 2021-06-21 op 	p = &line_prefixes[m->linetype];
131 d89b86d6 2021-06-21 op 	p->prfx1 = prfx;
132 d89b86d6 2021-06-21 op 	p->prfx2 = cont;
133 69e1d1b6 2021-06-15 op 
134 74a2587f 2021-06-21 op 	return 1;
135 69e1d1b6 2021-06-15 op }
136 86e7d7b4 2021-06-19 op 
137 86e7d7b4 2021-06-19 op int
138 86e7d7b4 2021-06-19 op config_setvari(const char *var, int val)
139 86e7d7b4 2021-06-19 op {
140 1a99965e 2021-06-19 op 	if (!strcmp(var, "fill-column")) {
141 cc073cd2 2021-06-19 op 		if ((fill_column = val) <= 0)
142 2106687b 2021-06-19 op 			fill_column = INT_MAX;
143 72b18268 2021-06-19 op 	} else if (!strcmp(var, "olivetti-mode")) {
144 72b18268 2021-06-19 op 		olivetti_mode = !!val;
145 2c748a1f 2021-06-21 op 	} else if (!strcmp(var, "enable-colors")) {
146 2c748a1f 2021-06-21 op 		enable_colors = !!val;
147 2c748a1f 2021-06-21 op 	} else {
148 1a99965e 2021-06-19 op 		return 0;
149 2c748a1f 2021-06-21 op 	}
150 2c748a1f 2021-06-21 op 
151 1a99965e 2021-06-19 op 	return 1;
152 86e7d7b4 2021-06-19 op }
153 86e7d7b4 2021-06-19 op 
154 86e7d7b4 2021-06-19 op int
155 86e7d7b4 2021-06-19 op config_setvars(const char *var, char *val)
156 86e7d7b4 2021-06-19 op {
157 db7cc27a 2021-06-19 op 	if (!strcmp(var, "new-tab-url")) {
158 db7cc27a 2021-06-19 op 		if (new_tab_url != NULL)
159 db7cc27a 2021-06-19 op 			free(new_tab_url);
160 db7cc27a 2021-06-19 op 		new_tab_url = val;
161 db7cc27a 2021-06-19 op 	} else
162 db7cc27a 2021-06-19 op 		return 0;
163 db7cc27a 2021-06-19 op 	return 1;
164 86e7d7b4 2021-06-19 op }
165 74a2587f 2021-06-21 op 
166 74a2587f 2021-06-21 op int
167 d89b86d6 2021-06-21 op config_setcolor(int bg, const char *name, int prfx, int line, int trail)
168 74a2587f 2021-06-21 op {
169 74a2587f 2021-06-21 op         struct mapping *m;
170 74a2587f 2021-06-21 op 	struct lineface_descr *d;
171 74a2587f 2021-06-21 op 
172 74a2587f 2021-06-21 op 	if (!has_prefix(name, "line."))
173 74a2587f 2021-06-21 op 		return 0;
174 74a2587f 2021-06-21 op 	name += 5;
175 74a2587f 2021-06-21 op 
176 74a2587f 2021-06-21 op 	if ((m = mapping_by_name(name)) == NULL)
177 74a2587f 2021-06-21 op 		return 0;
178 74a2587f 2021-06-21 op 
179 74a2587f 2021-06-21 op 	d = &linefaces_descr[m->linetype];
180 74a2587f 2021-06-21 op 
181 d89b86d6 2021-06-21 op 	d->used = 1;
182 d89b86d6 2021-06-21 op 	if (bg) {
183 d89b86d6 2021-06-21 op 		d->prfx_bg = prfx;
184 d89b86d6 2021-06-21 op 		d->bg = line;
185 d89b86d6 2021-06-21 op 		d->trail_bg = trail;
186 74a2587f 2021-06-21 op 	} else {
187 d89b86d6 2021-06-21 op 		d->prfx_fg = prfx;
188 d89b86d6 2021-06-21 op 		d->fg = line;
189 d89b86d6 2021-06-21 op 		d->trail_fg = trail;
190 74a2587f 2021-06-21 op 	}
191 74a2587f 2021-06-21 op 
192 74a2587f 2021-06-21 op 	return 1;
193 74a2587f 2021-06-21 op }
194 74a2587f 2021-06-21 op 
195 74a2587f 2021-06-21 op void
196 74a2587f 2021-06-21 op config_apply_colors(void)
197 74a2587f 2021-06-21 op {
198 74a2587f 2021-06-21 op         size_t i, len;
199 74a2587f 2021-06-21 op 	struct lineface_descr *d;
200 74a2587f 2021-06-21 op 	struct line_face *f;
201 74a2587f 2021-06-21 op 
202 74a2587f 2021-06-21 op 	len = sizeof(linefaces_descr)/sizeof(linefaces_descr[0]);
203 74a2587f 2021-06-21 op 	for (i = 0; i < len; ++i) {
204 74a2587f 2021-06-21 op 		d = &linefaces_descr[i];
205 74a2587f 2021-06-21 op 		f = &line_faces[i];
206 74a2587f 2021-06-21 op 
207 74a2587f 2021-06-21 op 		if (d->used) {
208 d89b86d6 2021-06-21 op 			init_pair(d->pp, d->prfx_fg, d->prfx_bg);
209 d89b86d6 2021-06-21 op 			f->prefix_prop = COLOR_PAIR(d->pp);
210 d89b86d6 2021-06-21 op 
211 d89b86d6 2021-06-21 op 			init_pair(d->p, d->fg, d->bg);
212 d89b86d6 2021-06-21 op 			f->text_prop = COLOR_PAIR(d->p);
213 d89b86d6 2021-06-21 op 
214 d89b86d6 2021-06-21 op 			init_pair(d->tp, d->trail_fg, d->trail_bg);
215 d89b86d6 2021-06-21 op 			f->trail_prop = COLOR_PAIR(d->tp);
216 74a2587f 2021-06-21 op 		}
217 74a2587f 2021-06-21 op 	}
218 74a2587f 2021-06-21 op }