op public repos

Blob

Date:: Mon Jan 10 15:36:40 2022 UTC
Message:: change fringe defaults: always enabled and ~ as prefix
Actions:: History | Blame | Raw File
1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #include "compat.h"
18 
19 #include <curses.h>
20 #include <limits.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <unistd.h>
24 
25 #include "defaults.h"
26 #include "telescope.h"
27 #include "ui.h"
28 
29 char	*download_path = NULL;
30 char	*new_tab_url = NULL;
31 
32 int autosave = 20;
33 int dont_wrap_pre = 0;
34 int emojify_link = 1;
35 int enable_colors = 1;
36 int fill_column = 120;
37 int fringe_ignore_offset = 1;
38 int hide_pre_blocks = 0;
39 int hide_pre_closing_line = 0;
40 int hide_pre_context = 0;
41 int max_killed_tabs = 10;
42 int olivetti_mode = 1;
43 int set_title = 1;
44 int tab_bar_show = 1;
45 
46 static struct line fringe_line = {
47 	.type = LINE_FRINGE,
48 };
49 struct vline fringe = {
50 	/*
51 	 * This is a special vline, it won't ever be free'd, as it's
52 	 * only "virtual" for the UI, it's never added to a buffer.
53 	 */
54 	.line = (char *)"",
55 	.parent = &fringe_line,
56 };
57 
58 struct lineprefix line_prefixes[] = {
59 	[LINE_TEXT] =		{ "",		"" },
60 	[LINE_LINK] =		{ "→ ",	"  " },
61 	[LINE_TITLE_1] =	{ "# ",		"  " },
62 	[LINE_TITLE_2] =	{ "## ",	"   " },
63 	[LINE_TITLE_3] =	{ "### ",	"    " },
64 	[LINE_ITEM] =		{ " • ",	"   " },
65 	[LINE_QUOTE] =		{ " ┃ ",	" ┃ " },
66 	[LINE_PRE_START] =	{ "─── ",	"    " },
67 	[LINE_PRE_CONTENT] =	{ "",		"" },
68 	[LINE_PRE_END] =	{ "─── ",	"" },
69 
70 	[LINE_PATCH] =		{"", ""},
71 	[LINE_PATCH_HDR] =	{"", ""},
72 	[LINE_PATCH_HUNK_HDR] =	{"", ""},
73 	[LINE_PATCH_ADD] =	{"", ""},
74 	[LINE_PATCH_DEL] =	{"", ""},
75 
76 	[LINE_COMPL] =		{"", ""},
77 	[LINE_COMPL_CURRENT] =	{"", ""},
78 
79 	[LINE_HELP] =		{"", ""},
80 
81 	[LINE_DOWNLOAD] =	{" Fetching ", "          "},
82 	[LINE_DOWNLOAD_DONE] =	{" Done     ", "          "},
83 	[LINE_DOWNLOAD_INFO] =	{" ", " "},
84 
85 	[LINE_FRINGE] =		{"~", ""},
86 };
87 
88 struct line_face line_faces[] = {
89 	[LINE_TEXT] =		{
90 		.prfx_pair = PT_PRFX,
91 		.pair = PT,
92 		.trail_pair = PT_TRAIL,
93 	},
94 	[LINE_LINK] =		{
95 		.prfx_pair = PL_PRFX,
96 		.pair = PL,
97 		.trail_pair = PL_TRAIL,
98 		.attr = A_UNDERLINE,
99 	},
100 	[LINE_TITLE_1] =	{
101 		.prfx_pair = PT1_PRFX,
102 		.pair = PT1,
103 		.trail_pair = PT1_TRAIL,
104 		.attr = A_BOLD,
105 	},
106 	[LINE_TITLE_2] =	{
107 		.prfx_pair = PT2_PRFX,
108 		.pair = PT2,
109 		.trail_pair = PT2_TRAIL,
110 		.attr = A_BOLD,
111 	},
112 	[LINE_TITLE_3] =	{
113 		.prfx_pair = PT3_PRFX,
114 		.pair = PT3,
115 		.trail_pair = PT3_TRAIL,
116 		.attr = A_BOLD,
117 	},
118 	[LINE_ITEM] =		{
119 		.prfx_pair = PI_PRFX,
120 		.pair = PI,
121 		.trail_pair = PI_TRAIL,
122 	},
123 	[LINE_QUOTE] =		{
124 		.prfx_pair = PQ_PRFX,
125 		.pair = PQ,
126 		.trail_pair = PQ_TRAIL,
127 		.attr = A_DIM,
128 	},
129 	[LINE_PRE_START] =	{
130 		.prfx_pair = PPSTART_PRFX,
131 		.pair = PPSTART,
132 		.trail_pair = PPSTART_TRAIL,
133 	},
134 	[LINE_PRE_CONTENT] =	{
135 		.prfx_pair = PP_PRFX,
136 		.pair = PP,
137 		.trail_pair = PP_TRAIL,
138 	},
139 	[LINE_PRE_END] =	{
140 		.prfx_pair = PPEND_PRFX,
141 		.pair = PPEND,
142 		.trail_pair = PPEND_TRAIL,
143 	},
144 
145 	/* text/x-patch */
146 	[LINE_PATCH] = {
147 		.prfx_pair = PPATCH_PRFX,
148 		.pair = PPATCH,
149 		.trail_pair = PPATCH_TRAIL,
150 	},
151 	[LINE_PATCH_HDR] = {
152 		.prfx_pair = PPATCH_HDR_PRFX,
153 		.pair = PPATCH_HDR,
154 		.trail_pair = PPATCH_HDR_TRAIL,
155 	},
156 	[LINE_PATCH_HUNK_HDR] = {
157 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
158 		.pair = PPATCH_HUNK_HDR,
159 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
160 	},
161 	[LINE_PATCH_ADD] = {
162 		.prfx_pair = PPATCH_ADD_PRFX,
163 		.pair = PPATCH_ADD,
164 		.trail_pair = PPATCH_ADD_TRAIL,
165 	},
166 	[LINE_PATCH_DEL] = {
167 		.prfx_pair = PPATCH_DEL_PRFX,
168 		.pair = PPATCH_DEL,
169 		.trail_pair = PPATCH_DEL_TRAIL,
170 	},
171 
172 	/* minibuffer */
173 	[LINE_COMPL] = {
174 		.prfx_pair = PCOMPL_PRFX,
175 		.pair = PCOMPL,
176 		.trail_pair = PCOMPL_TRAIL,
177 	},
178 	[LINE_COMPL_CURRENT] = {
179 		.prfx_pair = PCOMPL_CURR_PRFX,
180 		.pair = PCOMPL_CURR,
181 		.trail_pair = PCOMPL_CURR_TRAIL,
182 		.attr = A_REVERSE,
183 		.trail_attr = A_REVERSE,
184 	},
185 
186 	/* help */
187 	[LINE_HELP] = {
188 		.prfx_pair = PHELP_PRFX,
189 		.pair = PHELP,
190 		.trail_pair = PHELP_TRAIL,
191 	},
192 
193 	/* download */
194 	[LINE_DOWNLOAD] = {
195 		.prfx_pair = PDOWNLOAD_PRFX,
196 		.pair = PDOWNLOAD,
197 		.trail_pair = PDOWNLOAD_TRAIL
198 	},
199 	[LINE_DOWNLOAD_DONE] = {
200 		.prfx_pair = PDOWNLOAD_DONE_PRFX,
201 		.pair = PDOWNLOAD_DONE,
202 		.trail_pair = PDOWNLOAD_DONE_TRAIL
203 	},
204 	[LINE_DOWNLOAD_INFO] = {
205 		.prfx_pair = PDOWNLOAD_INFO_PRFX,
206 		.pair = PDOWNLOAD_INFO,
207 		.trail_pair = PDOWNLOAD_INFO_TRAIL
208 	},
209 
210 	/* misc ui */
211 	[LINE_FRINGE] = {
212 		.prfx_pair = PFRINGE_PRFX,
213 		.pair = PFRINGE,
214 		.trail_pair = PFRINGE_TRAIL,
215 	}
216 };
217 
218 struct tab_face tab_face = {
219 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
220 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
221 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
222 
223 	/*
224 	 * set these so that even when enable-color=0 the bar has some
225 	 * sane defaults.
226 	 */
227 	.background =	A_REVERSE,
228 	.tab =		A_REVERSE,
229 	.current =	A_NORMAL,
230 };
231 
232 struct body_face body_face = {
233 	.lbg = -1, .lfg = -1,
234 	.bg  = -1, .fg  = -1,
235 	.rbg = -1, .rfg = -1,
236 };
237 
238 struct download_face download_face = {
239 	.bg = -1,
240 	.fg = -1,
241 	.attr = A_NORMAL,
242 };
243 
244 struct modeline_face modeline_face = {
245 	.bg  = -1,
246 	.fg  = -1,
247 	.attr = A_REVERSE,
248 };
249 
250 struct minibuffer_face minibuffer_face = {
251 	.bg = -1,
252 	.fg = -1,
253 	.attr = A_NORMAL,
254 };
255 
256 struct mapping {
257 	const char	*label;
258 	int		 linetype;
259 } mappings[] = {
260 	{"text",	LINE_TEXT},
261 	{"link",	LINE_LINK},
262 	{"title1",	LINE_TITLE_1},
263 	{"title2",	LINE_TITLE_2},
264 	{"title3",	LINE_TITLE_3},
265 	{"item",	LINE_ITEM},
266 	{"quote",	LINE_QUOTE},
267 	{"pre.start",	LINE_PRE_START},
268 	{"pre",		LINE_PRE_CONTENT},
269 	{"pre.end",	LINE_PRE_END},
270 
271 	/* text/x-patch */
272 	{"patch",	LINE_PATCH},
273 	{"patch.hdr",	LINE_PATCH_HDR},
274 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
275 	{"patch.add",	LINE_PATCH_ADD},
276 	{"patch.del",	LINE_PATCH_DEL},
277 
278 	/* minibuffer */
279 	{"compl",	LINE_COMPL},
280 	{"compl.current", LINE_COMPL_CURRENT},
281 
282 	/* help */
283 	{"help",	LINE_HELP},
284 
285 	/* download */
286 	{"download.ongoing",	LINE_DOWNLOAD},
287 	{"download.done",	LINE_DOWNLOAD_DONE},
288 	{"download.info",	LINE_DOWNLOAD_INFO},
289 
290 	/* misc ui */
291 	{"fringe",		LINE_FRINGE},
292 };
293 
294 static struct mapping *
295 mapping_by_name(const char *name)
296 {
297 	size_t i;
298 
299 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
300 		if (!strcmp(name, mappings[i].label))
301 			return &mappings[i];
302 	}
303 
304 	return NULL;
305 }
306 
307 static inline void
308 global_set_key(const char *key, void (*fn)(struct buffer*))
309 {
310 	if (!kmap_define_key(&global_map, key, fn))
311 		_exit(1);
312 }
313 
314 static inline void
315 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
316 {
317 	if (!kmap_define_key(&minibuffer_map, key, fn))
318 		_exit(1);
319 }
320 
321 static void
322 load_default_keys(void)
323 {
324 	/* === global map === */
325 
326 	/* emacs */
327 	global_set_key("C-p",		cmd_previous_line);
328 	global_set_key("C-n",		cmd_next_line);
329 	global_set_key("C-f",		cmd_forward_char);
330 	global_set_key("C-b",		cmd_backward_char);
331 	global_set_key("M-{",		cmd_backward_paragraph);
332 	global_set_key("M-}",		cmd_forward_paragraph);
333 	global_set_key("C-a",		cmd_move_beginning_of_line);
334 	global_set_key("C-e",		cmd_move_end_of_line);
335 
336 	global_set_key("M-v",		cmd_scroll_up);
337 	global_set_key("C-v",		cmd_scroll_down);
338 	global_set_key("M-space",	cmd_scroll_up);
339 	global_set_key("space",		cmd_scroll_down);
340 
341 	global_set_key("M-<",		cmd_beginning_of_buffer);
342 	global_set_key("M->",		cmd_end_of_buffer);
343 
344 	global_set_key("C-x C-c",	cmd_kill_telescope);
345 
346 	global_set_key("C-g",		cmd_clear_minibuf);
347 
348 	global_set_key("M-x",		cmd_execute_extended_command);
349 
350 	global_set_key("C-c {",		cmd_dec_fill_column);
351 	global_set_key("C-c }",		cmd_inc_fill_column);
352 
353 	global_set_key("C-c p",		cmd_previous_heading);
354 	global_set_key("C-c n",		cmd_next_heading);
355 
356 	global_set_key(">",		cmd_load_url);
357 	global_set_key("<",		cmd_load_current_url);
358 	global_set_key("C-x C-f",	cmd_load_url);
359 	global_set_key("C-x M-f",	cmd_load_current_url);
360 
361 	global_set_key("C-x o",		cmd_other_window);
362 
363 	global_set_key("C-x t 0",	cmd_tab_close);
364 	global_set_key("C-x t 1",	cmd_tab_close_other);
365 	global_set_key("C-x t 2",	cmd_tab_new);
366 	global_set_key("C-x t o",	cmd_tab_next);
367 	global_set_key("C-x t O",	cmd_tab_previous);
368 	global_set_key("C-x t m",	cmd_tab_move);
369 	global_set_key("C-x t M",	cmd_tab_move_to);
370 
371 	global_set_key("B",		cmd_previous_page);
372 	global_set_key("C-M-b",		cmd_previous_page);
373 	global_set_key("F",		cmd_next_page);
374 	global_set_key("C-M-f",		cmd_next_page);
375 
376 	global_set_key("<f7> a",	cmd_bookmark_page);
377 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
378 
379 	global_set_key("C-z",		cmd_suspend_telescope);
380 
381 	/* vi/vi-like */
382 	global_set_key("k",		cmd_previous_line);
383 	global_set_key("j",		cmd_next_line);
384 	global_set_key("l",		cmd_forward_char);
385 	global_set_key("h",		cmd_backward_char);
386 	global_set_key("{",		cmd_backward_paragraph);
387 	global_set_key("}",		cmd_forward_paragraph);
388 	global_set_key("^",		cmd_move_beginning_of_line);
389 	global_set_key("$",		cmd_move_end_of_line);
390 
391 	global_set_key("K",		cmd_scroll_line_up);
392 	global_set_key("J",		cmd_scroll_line_down);
393 
394 	global_set_key("g g",		cmd_beginning_of_buffer);
395 	global_set_key("G",		cmd_end_of_buffer);
396 
397 	global_set_key("g D",		cmd_tab_close);
398 	global_set_key("g N",		cmd_tab_new);
399 	global_set_key("g t",		cmd_tab_next);
400 	global_set_key("g T",		cmd_tab_previous);
401 	global_set_key("g M-t",		cmd_tab_move);
402 	global_set_key("g M-T",		cmd_tab_move_to);
403 
404 	global_set_key("H",		cmd_previous_page);
405 	global_set_key("L",		cmd_next_page);
406 
407 	global_set_key("u",		cmd_tab_undo_close);
408 
409 	/* tmp */
410 	global_set_key("q",		cmd_kill_telescope);
411 
412 	global_set_key("esc",		cmd_clear_minibuf);
413 
414 	global_set_key(":",		cmd_execute_extended_command);
415 
416 	/* cua */
417 	global_set_key("<up>",		cmd_previous_line);
418 	global_set_key("<down>",	cmd_next_line);
419 	global_set_key("<right>",	cmd_forward_char);
420 	global_set_key("<left>",	cmd_backward_char);
421 	global_set_key("<home>",	cmd_move_beginning_of_line);
422 	global_set_key("<end>",		cmd_move_end_of_line);
423 	global_set_key("<prior>",	cmd_scroll_up);
424 	global_set_key("<next>",	cmd_scroll_down);
425 
426 	global_set_key("C-w",		cmd_tab_close);
427 	global_set_key("C-t",		cmd_tab_new);
428 	global_set_key("M-<prior>",	cmd_tab_previous);
429 	global_set_key("M-<next>",	cmd_tab_next);
430 
431 	global_set_key("del",		cmd_previous_page);
432 	global_set_key("M-<left>",	cmd_previous_page);
433 	global_set_key("M-<right>",	cmd_next_page);
434 
435 	global_set_key("<f5>",		cmd_reload_page);
436 	global_set_key("r",		cmd_reload_page);
437 
438 	/* "ncurses standard" */
439 	global_set_key("C-l",		cmd_redraw);
440 
441 	/* global */
442 	global_set_key("<f1>",		cmd_toggle_help);
443 	global_set_key("<f2>",		cmd_toggle_downloads);
444 	global_set_key("C-m",		cmd_push_button);
445 	global_set_key("M-enter",	cmd_push_button_new_tab);
446 	global_set_key("M-tab",		cmd_previous_button);
447 	global_set_key("backtab",	cmd_previous_button);
448 	global_set_key("tab",		cmd_next_button);
449 	global_set_key("M-t",		cmd_tab_select);
450 	global_set_key("[",		cmd_tab_previous);
451 	global_set_key("]",		cmd_tab_next);
452 	global_set_key("M-[",		cmd_tab_move_to);
453 	global_set_key("M-]",		cmd_tab_move);
454 	global_set_key("M-l",		cmd_link_select);
455 	global_set_key("M-/",		cmd_swiper);
456 	global_set_key("t",		cmd_toc);
457 
458 	/* === minibuffer map === */
459 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
460 	minibuffer_set_key("C-g",		cmd_mini_abort);
461 	minibuffer_set_key("esc",		cmd_mini_abort);
462 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
463 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
464 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
465 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
466 
467 	minibuffer_set_key("C-b",		cmd_backward_char);
468 	minibuffer_set_key("C-f",		cmd_forward_char);
469 	minibuffer_set_key("<left>",		cmd_backward_char);
470 	minibuffer_set_key("<right>",		cmd_forward_char);
471 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
472 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
473 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
474 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
475 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
476 
477 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
478 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
479 
480 	minibuffer_set_key("C-p",		cmd_previous_completion);
481 	minibuffer_set_key("C-n",		cmd_next_completion);
482 	minibuffer_set_key("<up>",		cmd_previous_completion);
483 	minibuffer_set_key("<down>",		cmd_next_completion);
484 
485 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
486 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
487 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
488 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
489 
490 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
491 	minibuffer_set_key("M->",		cmd_mini_goto_end);
492 
493 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
494 }
495 
496 void
497 config_init(void)
498 {
499 	struct line_face *f;
500 	size_t i, len;
501 
502 	len = sizeof(line_faces)/sizeof(line_faces[0]);
503 	for (i = 0; i < len; ++i) {
504 		f = &line_faces[i];
505 
506 		f->prfx_bg = f->bg = f->trail_bg = -1;
507 		f->prfx_fg = f->fg = f->trail_fg = -1;
508 	}
509 
510 	line_faces[LINE_LINK].fg = COLOR_BLUE;
511 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
512 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
513 
514 	load_default_keys();
515 }
516 
517 int
518 config_setprfx(const char *name, const char *prfx, const char *cont)
519 {
520 	struct lineprefix *p;
521 	struct mapping *m;
522 
523 	if (!has_prefix(name, "line."))
524 		return 0;
525 	name += 5;
526 
527 	if ((m = mapping_by_name(name)) == NULL)
528 		return 0;
529 
530 	p = &line_prefixes[m->linetype];
531 	p->prfx1 = prfx;
532 	p->prfx2 = cont;
533 
534 	return 1;
535 }
536 
537 int
538 config_setvari(const char *var, int val)
539 {
540 	if (!strcmp(var, "fill-column")) {
541 		if ((fill_column = val) <= 0)
542 			fill_column = INT_MAX;
543 	} else if (!strcmp(var, "olivetti-mode")) {
544 		olivetti_mode = !!val;
545 	} else if (!strcmp(var, "enable-colors")) {
546 		enable_colors = !!val;
547 	} else if (!strcmp(var, "hide-pre-context")) {
548 		hide_pre_context = !!val;
549 	} else if (!strcmp(var, "hide-pre-blocks")) {
550 		hide_pre_blocks = !!val;
551 	} else if (!strcmp(var, "hide-pre-closing-line")) {
552 		hide_pre_closing_line = !!val;
553 	} else if (!strcmp(var, "dont-wrap-pre")) {
554 		dont_wrap_pre = !!val;
555 	} else if (!strcmp(var, "emojify-link")) {
556 		emojify_link = !!val;
557 	} else if (!strcmp(var, "update-title") || !strcmp(var, "set-title")) {
558 		set_title = !!val;
559 	} else if (!strcmp(var, "autosave")) {
560 		autosave = val;
561 	} else if (!strcmp(var, "tab-bar-show")) {
562 		if (val < 0)
563 			tab_bar_show = -1;
564 		else if (val == 0)
565 			tab_bar_show = 0;
566 		else
567 			tab_bar_show = 1;
568 	} else if (!strcmp(var, "max-killed-tabs")) {
569 		if (val >= 0)
570 			max_killed_tabs = MIN(val, 128);
571 	} else if (!strcmp(var, "fringe-ignore-offset")) {
572 		fringe_ignore_offset = !!val;
573 	} else {
574 		return 0;
575 	}
576 
577 	return 1;
578 }
579 
580 int
581 config_setvars(const char *var, char *val)
582 {
583 	if (!strcmp(var, "download-path")) {
584 		const char *prfx = "", *v = val, *sufx = "";
585 
586 		if (has_prefix(val, "~/") &&
587 		    v++ &&
588 		    (prfx = getenv("HOME")) == NULL)
589 			return 0;
590 
591 		if (!has_suffix(val, "/"))
592 			sufx = "/";
593 
594 		free(download_path);
595 		if (asprintf(&download_path, "%s%s%s", prfx, v, sufx) == -1) {
596 			download_path = NULL;
597 			return 0;
598 		}
599 
600 		free(val);
601 		return 1;
602 	} else if (!strcmp(var, "new-tab-url")) {
603 		free(new_tab_url);
604 		new_tab_url = val;
605 	} else
606 		return 0;
607 	return 1;
608 }
609 
610 int
611 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
612 {
613 	struct mapping *m;
614 	struct line_face *f;
615 
616 	if (!strcmp(name, "tabline")) {
617 		if (bg)
618 			tab_face.bg_bg = prfx;
619 		else
620 			tab_face.bg_fg = prfx;
621 	} else if (has_prefix(name, "tabline.")) {
622 		name += 8;
623 
624 		if (!strcmp(name, "tab")) {
625 			if (bg)
626 				tab_face.t_bg = prfx;
627 			else
628 				tab_face.t_fg = prfx;
629 		} else if (!strcmp(name, "current")) {
630 			if (bg)
631 				tab_face.c_bg = prfx;
632 			else
633 				tab_face.c_fg = prfx;
634 		} else
635 			return 0;
636 	} else if (has_prefix(name, "line.")) {
637 		name += 5;
638 
639 		if ((m = mapping_by_name(name)) == NULL)
640 			return 0;
641 
642 		f = &line_faces[m->linetype];
643 
644 		if (bg) {
645 			f->prfx_bg = prfx;
646 			f->bg = line;
647 			f->trail_bg = trail;
648 		} else {
649 			f->prfx_fg = prfx;
650 			f->fg = line;
651 			f->trail_fg = trail;
652 		}
653 	} else if (!strcmp(name, "line")) {
654 		if (bg) {
655 			body_face.lbg = prfx;
656 			body_face.bg  = line;
657 			body_face.rbg = trail;
658 		} else {
659 			body_face.lfg = prfx;
660 			body_face.fg = line;
661 			body_face.rfg = trail;
662 		}
663 	} else if (!strcmp(name, "download")) {
664 		if (bg)
665 			download_face.bg = prfx;
666 		else
667 			download_face.fg = prfx;
668 	} else if (!strcmp(name, "minibuffer")) {
669 		if (bg)
670 			minibuffer_face.bg = prfx;
671 		else
672 			minibuffer_face.fg = prfx;
673 	} else if (!strcmp(name, "modeline")) {
674 		if (bg)
675 			modeline_face.bg = prfx;
676 		else
677 			modeline_face.fg = prfx;
678 	} else {
679 		return 0;
680 	}
681 
682 	return 1;
683 }
684 
685 int
686 config_setattr(const char *name, int prfx, int line, int trail)
687 {
688 	struct mapping *m;
689 	struct line_face *f;
690 
691 	if (!strcmp(name, "tabline")) {
692 		tab_face.bg_attr = prfx;
693 	} else if (has_prefix(name, "tabline.")) {
694 		name += 8;
695 
696 		if (!strcmp(name, "tab"))
697 			tab_face.t_attr = prfx;
698 		else if (!strcmp(name, "current"))
699 			tab_face.c_attr = prfx;
700 		else
701 			return 0;
702 	} else if (has_prefix(name, "line.")) {
703 		name += 5;
704 
705 		if ((m = mapping_by_name(name)) == NULL)
706 			return 0;
707 
708 		f = &line_faces[m->linetype];
709 
710 		f->prfx_attr = prfx;
711 		f->attr = line;
712 		f->trail_attr = trail;
713 	} else if (!strcmp(name, "download")) {
714 		download_face.attr = prfx;
715 	} else if (!strcmp(name, "minibuffer")) {
716 		minibuffer_face.attr = prfx;
717 	} else if (!strcmp(name, "modeline")) {
718 		modeline_face.attr = prfx;
719 	} else {
720 		return 0;
721 	}
722 
723 	return 1;
724 }
725 
726 static inline void
727 tl_init_pair(int colors, int pair, int f, int b)
728 {
729 	if (f >= colors || !enable_colors)
730 		f = -1;
731 	if (b >= colors || !enable_colors)
732 		b = -1;
733 	init_pair(pair, f, b);
734 }
735 
736 void
737 config_apply_style(void)
738 {
739 	size_t i, colors, len;
740 	struct line_face *f;
741 
742 	colors = COLORS;
743 
744 	len = sizeof(line_faces)/sizeof(line_faces[0]);
745 	for (i = 0; i < len; ++i) {
746 		f = &line_faces[i];
747 
748 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
749 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
750 
751 		tl_init_pair(colors, f->pair, f->fg, f->bg);
752 		f->text = COLOR_PAIR(f->pair) | f->attr;
753 
754 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
755 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
756 	}
757 
758 	/* tab line */
759 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
760 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
761 
762 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
763 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
764 
765 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
766 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
767 
768 	/* body */
769 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
770 	body_face.body = COLOR_PAIR(PBODY);
771 
772 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
773 	body_face.left = COLOR_PAIR(PBLEFT);
774 
775 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
776 	body_face.right = COLOR_PAIR(PBRIGHT);
777 
778 	/* download */
779 	tl_init_pair(colors, PDOWNLOAD_WIN, download_face.fg, download_face.bg);
780 	download_face.background = COLOR_PAIR(PDOWNLOAD_WIN) | download_face.attr;
781 
782 	/* modeline */
783 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
784 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
785 
786 	/* minibuffer */
787 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
788 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
789 
790 }