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