op public repos

Blob

Date:: Mon Jan 10 15:38:01 2022 UTC
Message:: simplify the fringe vline print_vline can handle a NULL .line, so I can avoid the long comment and the ugly cast.
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 	.parent = &fringe_line,
51 };
52 
53 struct lineprefix line_prefixes[] = {
54 	[LINE_TEXT] =		{ "",		"" },
55 	[LINE_LINK] =		{ "→ ",	"  " },
56 	[LINE_TITLE_1] =	{ "# ",		"  " },
57 	[LINE_TITLE_2] =	{ "## ",	"   " },
58 	[LINE_TITLE_3] =	{ "### ",	"    " },
59 	[LINE_ITEM] =		{ " • ",	"   " },
60 	[LINE_QUOTE] =		{ " ┃ ",	" ┃ " },
61 	[LINE_PRE_START] =	{ "─── ",	"    " },
62 	[LINE_PRE_CONTENT] =	{ "",		"" },
63 	[LINE_PRE_END] =	{ "─── ",	"" },
64 
65 	[LINE_PATCH] =		{"", ""},
66 	[LINE_PATCH_HDR] =	{"", ""},
67 	[LINE_PATCH_HUNK_HDR] =	{"", ""},
68 	[LINE_PATCH_ADD] =	{"", ""},
69 	[LINE_PATCH_DEL] =	{"", ""},
70 
71 	[LINE_COMPL] =		{"", ""},
72 	[LINE_COMPL_CURRENT] =	{"", ""},
73 
74 	[LINE_HELP] =		{"", ""},
75 
76 	[LINE_DOWNLOAD] =	{" Fetching ", "          "},
77 	[LINE_DOWNLOAD_DONE] =	{" Done     ", "          "},
78 	[LINE_DOWNLOAD_INFO] =	{" ", " "},
79 
80 	[LINE_FRINGE] =		{"~", ""},
81 };
82 
83 struct line_face line_faces[] = {
84 	[LINE_TEXT] =		{
85 		.prfx_pair = PT_PRFX,
86 		.pair = PT,
87 		.trail_pair = PT_TRAIL,
88 	},
89 	[LINE_LINK] =		{
90 		.prfx_pair = PL_PRFX,
91 		.pair = PL,
92 		.trail_pair = PL_TRAIL,
93 		.attr = A_UNDERLINE,
94 	},
95 	[LINE_TITLE_1] =	{
96 		.prfx_pair = PT1_PRFX,
97 		.pair = PT1,
98 		.trail_pair = PT1_TRAIL,
99 		.attr = A_BOLD,
100 	},
101 	[LINE_TITLE_2] =	{
102 		.prfx_pair = PT2_PRFX,
103 		.pair = PT2,
104 		.trail_pair = PT2_TRAIL,
105 		.attr = A_BOLD,
106 	},
107 	[LINE_TITLE_3] =	{
108 		.prfx_pair = PT3_PRFX,
109 		.pair = PT3,
110 		.trail_pair = PT3_TRAIL,
111 		.attr = A_BOLD,
112 	},
113 	[LINE_ITEM] =		{
114 		.prfx_pair = PI_PRFX,
115 		.pair = PI,
116 		.trail_pair = PI_TRAIL,
117 	},
118 	[LINE_QUOTE] =		{
119 		.prfx_pair = PQ_PRFX,
120 		.pair = PQ,
121 		.trail_pair = PQ_TRAIL,
122 		.attr = A_DIM,
123 	},
124 	[LINE_PRE_START] =	{
125 		.prfx_pair = PPSTART_PRFX,
126 		.pair = PPSTART,
127 		.trail_pair = PPSTART_TRAIL,
128 	},
129 	[LINE_PRE_CONTENT] =	{
130 		.prfx_pair = PP_PRFX,
131 		.pair = PP,
132 		.trail_pair = PP_TRAIL,
133 	},
134 	[LINE_PRE_END] =	{
135 		.prfx_pair = PPEND_PRFX,
136 		.pair = PPEND,
137 		.trail_pair = PPEND_TRAIL,
138 	},
139 
140 	/* text/x-patch */
141 	[LINE_PATCH] = {
142 		.prfx_pair = PPATCH_PRFX,
143 		.pair = PPATCH,
144 		.trail_pair = PPATCH_TRAIL,
145 	},
146 	[LINE_PATCH_HDR] = {
147 		.prfx_pair = PPATCH_HDR_PRFX,
148 		.pair = PPATCH_HDR,
149 		.trail_pair = PPATCH_HDR_TRAIL,
150 	},
151 	[LINE_PATCH_HUNK_HDR] = {
152 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
153 		.pair = PPATCH_HUNK_HDR,
154 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
155 	},
156 	[LINE_PATCH_ADD] = {
157 		.prfx_pair = PPATCH_ADD_PRFX,
158 		.pair = PPATCH_ADD,
159 		.trail_pair = PPATCH_ADD_TRAIL,
160 	},
161 	[LINE_PATCH_DEL] = {
162 		.prfx_pair = PPATCH_DEL_PRFX,
163 		.pair = PPATCH_DEL,
164 		.trail_pair = PPATCH_DEL_TRAIL,
165 	},
166 
167 	/* minibuffer */
168 	[LINE_COMPL] = {
169 		.prfx_pair = PCOMPL_PRFX,
170 		.pair = PCOMPL,
171 		.trail_pair = PCOMPL_TRAIL,
172 	},
173 	[LINE_COMPL_CURRENT] = {
174 		.prfx_pair = PCOMPL_CURR_PRFX,
175 		.pair = PCOMPL_CURR,
176 		.trail_pair = PCOMPL_CURR_TRAIL,
177 		.attr = A_REVERSE,
178 		.trail_attr = A_REVERSE,
179 	},
180 
181 	/* help */
182 	[LINE_HELP] = {
183 		.prfx_pair = PHELP_PRFX,
184 		.pair = PHELP,
185 		.trail_pair = PHELP_TRAIL,
186 	},
187 
188 	/* download */
189 	[LINE_DOWNLOAD] = {
190 		.prfx_pair = PDOWNLOAD_PRFX,
191 		.pair = PDOWNLOAD,
192 		.trail_pair = PDOWNLOAD_TRAIL
193 	},
194 	[LINE_DOWNLOAD_DONE] = {
195 		.prfx_pair = PDOWNLOAD_DONE_PRFX,
196 		.pair = PDOWNLOAD_DONE,
197 		.trail_pair = PDOWNLOAD_DONE_TRAIL
198 	},
199 	[LINE_DOWNLOAD_INFO] = {
200 		.prfx_pair = PDOWNLOAD_INFO_PRFX,
201 		.pair = PDOWNLOAD_INFO,
202 		.trail_pair = PDOWNLOAD_INFO_TRAIL
203 	},
204 
205 	/* misc ui */
206 	[LINE_FRINGE] = {
207 		.prfx_pair = PFRINGE_PRFX,
208 		.pair = PFRINGE,
209 		.trail_pair = PFRINGE_TRAIL,
210 	}
211 };
212 
213 struct tab_face tab_face = {
214 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
215 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
216 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
217 
218 	/*
219 	 * set these so that even when enable-color=0 the bar has some
220 	 * sane defaults.
221 	 */
222 	.background =	A_REVERSE,
223 	.tab =		A_REVERSE,
224 	.current =	A_NORMAL,
225 };
226 
227 struct body_face body_face = {
228 	.lbg = -1, .lfg = -1,
229 	.bg  = -1, .fg  = -1,
230 	.rbg = -1, .rfg = -1,
231 };
232 
233 struct download_face download_face = {
234 	.bg = -1,
235 	.fg = -1,
236 	.attr = A_NORMAL,
237 };
238 
239 struct modeline_face modeline_face = {
240 	.bg  = -1,
241 	.fg  = -1,
242 	.attr = A_REVERSE,
243 };
244 
245 struct minibuffer_face minibuffer_face = {
246 	.bg = -1,
247 	.fg = -1,
248 	.attr = A_NORMAL,
249 };
250 
251 struct mapping {
252 	const char	*label;
253 	int		 linetype;
254 } mappings[] = {
255 	{"text",	LINE_TEXT},
256 	{"link",	LINE_LINK},
257 	{"title1",	LINE_TITLE_1},
258 	{"title2",	LINE_TITLE_2},
259 	{"title3",	LINE_TITLE_3},
260 	{"item",	LINE_ITEM},
261 	{"quote",	LINE_QUOTE},
262 	{"pre.start",	LINE_PRE_START},
263 	{"pre",		LINE_PRE_CONTENT},
264 	{"pre.end",	LINE_PRE_END},
265 
266 	/* text/x-patch */
267 	{"patch",	LINE_PATCH},
268 	{"patch.hdr",	LINE_PATCH_HDR},
269 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
270 	{"patch.add",	LINE_PATCH_ADD},
271 	{"patch.del",	LINE_PATCH_DEL},
272 
273 	/* minibuffer */
274 	{"compl",	LINE_COMPL},
275 	{"compl.current", LINE_COMPL_CURRENT},
276 
277 	/* help */
278 	{"help",	LINE_HELP},
279 
280 	/* download */
281 	{"download.ongoing",	LINE_DOWNLOAD},
282 	{"download.done",	LINE_DOWNLOAD_DONE},
283 	{"download.info",	LINE_DOWNLOAD_INFO},
284 
285 	/* misc ui */
286 	{"fringe",		LINE_FRINGE},
287 };
288 
289 static struct mapping *
290 mapping_by_name(const char *name)
291 {
292 	size_t i;
293 
294 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
295 		if (!strcmp(name, mappings[i].label))
296 			return &mappings[i];
297 	}
298 
299 	return NULL;
300 }
301 
302 static inline void
303 global_set_key(const char *key, void (*fn)(struct buffer*))
304 {
305 	if (!kmap_define_key(&global_map, key, fn))
306 		_exit(1);
307 }
308 
309 static inline void
310 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
311 {
312 	if (!kmap_define_key(&minibuffer_map, key, fn))
313 		_exit(1);
314 }
315 
316 static void
317 load_default_keys(void)
318 {
319 	/* === global map === */
320 
321 	/* emacs */
322 	global_set_key("C-p",		cmd_previous_line);
323 	global_set_key("C-n",		cmd_next_line);
324 	global_set_key("C-f",		cmd_forward_char);
325 	global_set_key("C-b",		cmd_backward_char);
326 	global_set_key("M-{",		cmd_backward_paragraph);
327 	global_set_key("M-}",		cmd_forward_paragraph);
328 	global_set_key("C-a",		cmd_move_beginning_of_line);
329 	global_set_key("C-e",		cmd_move_end_of_line);
330 
331 	global_set_key("M-v",		cmd_scroll_up);
332 	global_set_key("C-v",		cmd_scroll_down);
333 	global_set_key("M-space",	cmd_scroll_up);
334 	global_set_key("space",		cmd_scroll_down);
335 
336 	global_set_key("M-<",		cmd_beginning_of_buffer);
337 	global_set_key("M->",		cmd_end_of_buffer);
338 
339 	global_set_key("C-x C-c",	cmd_kill_telescope);
340 
341 	global_set_key("C-g",		cmd_clear_minibuf);
342 
343 	global_set_key("M-x",		cmd_execute_extended_command);
344 
345 	global_set_key("C-c {",		cmd_dec_fill_column);
346 	global_set_key("C-c }",		cmd_inc_fill_column);
347 
348 	global_set_key("C-c p",		cmd_previous_heading);
349 	global_set_key("C-c n",		cmd_next_heading);
350 
351 	global_set_key(">",		cmd_load_url);
352 	global_set_key("<",		cmd_load_current_url);
353 	global_set_key("C-x C-f",	cmd_load_url);
354 	global_set_key("C-x M-f",	cmd_load_current_url);
355 
356 	global_set_key("C-x o",		cmd_other_window);
357 
358 	global_set_key("C-x t 0",	cmd_tab_close);
359 	global_set_key("C-x t 1",	cmd_tab_close_other);
360 	global_set_key("C-x t 2",	cmd_tab_new);
361 	global_set_key("C-x t o",	cmd_tab_next);
362 	global_set_key("C-x t O",	cmd_tab_previous);
363 	global_set_key("C-x t m",	cmd_tab_move);
364 	global_set_key("C-x t M",	cmd_tab_move_to);
365 
366 	global_set_key("B",		cmd_previous_page);
367 	global_set_key("C-M-b",		cmd_previous_page);
368 	global_set_key("F",		cmd_next_page);
369 	global_set_key("C-M-f",		cmd_next_page);
370 
371 	global_set_key("<f7> a",	cmd_bookmark_page);
372 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
373 
374 	global_set_key("C-z",		cmd_suspend_telescope);
375 
376 	/* vi/vi-like */
377 	global_set_key("k",		cmd_previous_line);
378 	global_set_key("j",		cmd_next_line);
379 	global_set_key("l",		cmd_forward_char);
380 	global_set_key("h",		cmd_backward_char);
381 	global_set_key("{",		cmd_backward_paragraph);
382 	global_set_key("}",		cmd_forward_paragraph);
383 	global_set_key("^",		cmd_move_beginning_of_line);
384 	global_set_key("$",		cmd_move_end_of_line);
385 
386 	global_set_key("K",		cmd_scroll_line_up);
387 	global_set_key("J",		cmd_scroll_line_down);
388 
389 	global_set_key("g g",		cmd_beginning_of_buffer);
390 	global_set_key("G",		cmd_end_of_buffer);
391 
392 	global_set_key("g D",		cmd_tab_close);
393 	global_set_key("g N",		cmd_tab_new);
394 	global_set_key("g t",		cmd_tab_next);
395 	global_set_key("g T",		cmd_tab_previous);
396 	global_set_key("g M-t",		cmd_tab_move);
397 	global_set_key("g M-T",		cmd_tab_move_to);
398 
399 	global_set_key("H",		cmd_previous_page);
400 	global_set_key("L",		cmd_next_page);
401 
402 	global_set_key("u",		cmd_tab_undo_close);
403 
404 	/* tmp */
405 	global_set_key("q",		cmd_kill_telescope);
406 
407 	global_set_key("esc",		cmd_clear_minibuf);
408 
409 	global_set_key(":",		cmd_execute_extended_command);
410 
411 	/* cua */
412 	global_set_key("<up>",		cmd_previous_line);
413 	global_set_key("<down>",	cmd_next_line);
414 	global_set_key("<right>",	cmd_forward_char);
415 	global_set_key("<left>",	cmd_backward_char);
416 	global_set_key("<home>",	cmd_move_beginning_of_line);
417 	global_set_key("<end>",		cmd_move_end_of_line);
418 	global_set_key("<prior>",	cmd_scroll_up);
419 	global_set_key("<next>",	cmd_scroll_down);
420 
421 	global_set_key("C-w",		cmd_tab_close);
422 	global_set_key("C-t",		cmd_tab_new);
423 	global_set_key("M-<prior>",	cmd_tab_previous);
424 	global_set_key("M-<next>",	cmd_tab_next);
425 
426 	global_set_key("del",		cmd_previous_page);
427 	global_set_key("M-<left>",	cmd_previous_page);
428 	global_set_key("M-<right>",	cmd_next_page);
429 
430 	global_set_key("<f5>",		cmd_reload_page);
431 	global_set_key("r",		cmd_reload_page);
432 
433 	/* "ncurses standard" */
434 	global_set_key("C-l",		cmd_redraw);
435 
436 	/* global */
437 	global_set_key("<f1>",		cmd_toggle_help);
438 	global_set_key("<f2>",		cmd_toggle_downloads);
439 	global_set_key("C-m",		cmd_push_button);
440 	global_set_key("M-enter",	cmd_push_button_new_tab);
441 	global_set_key("M-tab",		cmd_previous_button);
442 	global_set_key("backtab",	cmd_previous_button);
443 	global_set_key("tab",		cmd_next_button);
444 	global_set_key("M-t",		cmd_tab_select);
445 	global_set_key("[",		cmd_tab_previous);
446 	global_set_key("]",		cmd_tab_next);
447 	global_set_key("M-[",		cmd_tab_move_to);
448 	global_set_key("M-]",		cmd_tab_move);
449 	global_set_key("M-l",		cmd_link_select);
450 	global_set_key("M-/",		cmd_swiper);
451 	global_set_key("t",		cmd_toc);
452 
453 	/* === minibuffer map === */
454 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
455 	minibuffer_set_key("C-g",		cmd_mini_abort);
456 	minibuffer_set_key("esc",		cmd_mini_abort);
457 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
458 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
459 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
460 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
461 
462 	minibuffer_set_key("C-b",		cmd_backward_char);
463 	minibuffer_set_key("C-f",		cmd_forward_char);
464 	minibuffer_set_key("<left>",		cmd_backward_char);
465 	minibuffer_set_key("<right>",		cmd_forward_char);
466 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
467 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
468 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
469 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
470 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
471 
472 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
473 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
474 
475 	minibuffer_set_key("C-p",		cmd_previous_completion);
476 	minibuffer_set_key("C-n",		cmd_next_completion);
477 	minibuffer_set_key("<up>",		cmd_previous_completion);
478 	minibuffer_set_key("<down>",		cmd_next_completion);
479 
480 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
481 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
482 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
483 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
484 
485 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
486 	minibuffer_set_key("M->",		cmd_mini_goto_end);
487 
488 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
489 }
490 
491 void
492 config_init(void)
493 {
494 	struct line_face *f;
495 	size_t i, len;
496 
497 	len = sizeof(line_faces)/sizeof(line_faces[0]);
498 	for (i = 0; i < len; ++i) {
499 		f = &line_faces[i];
500 
501 		f->prfx_bg = f->bg = f->trail_bg = -1;
502 		f->prfx_fg = f->fg = f->trail_fg = -1;
503 	}
504 
505 	line_faces[LINE_LINK].fg = COLOR_BLUE;
506 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
507 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
508 
509 	load_default_keys();
510 }
511 
512 int
513 config_setprfx(const char *name, const char *prfx, const char *cont)
514 {
515 	struct lineprefix *p;
516 	struct mapping *m;
517 
518 	if (!has_prefix(name, "line."))
519 		return 0;
520 	name += 5;
521 
522 	if ((m = mapping_by_name(name)) == NULL)
523 		return 0;
524 
525 	p = &line_prefixes[m->linetype];
526 	p->prfx1 = prfx;
527 	p->prfx2 = cont;
528 
529 	return 1;
530 }
531 
532 int
533 config_setvari(const char *var, int val)
534 {
535 	if (!strcmp(var, "fill-column")) {
536 		if ((fill_column = val) <= 0)
537 			fill_column = INT_MAX;
538 	} else if (!strcmp(var, "olivetti-mode")) {
539 		olivetti_mode = !!val;
540 	} else if (!strcmp(var, "enable-colors")) {
541 		enable_colors = !!val;
542 	} else if (!strcmp(var, "hide-pre-context")) {
543 		hide_pre_context = !!val;
544 	} else if (!strcmp(var, "hide-pre-blocks")) {
545 		hide_pre_blocks = !!val;
546 	} else if (!strcmp(var, "hide-pre-closing-line")) {
547 		hide_pre_closing_line = !!val;
548 	} else if (!strcmp(var, "dont-wrap-pre")) {
549 		dont_wrap_pre = !!val;
550 	} else if (!strcmp(var, "emojify-link")) {
551 		emojify_link = !!val;
552 	} else if (!strcmp(var, "update-title") || !strcmp(var, "set-title")) {
553 		set_title = !!val;
554 	} else if (!strcmp(var, "autosave")) {
555 		autosave = val;
556 	} else if (!strcmp(var, "tab-bar-show")) {
557 		if (val < 0)
558 			tab_bar_show = -1;
559 		else if (val == 0)
560 			tab_bar_show = 0;
561 		else
562 			tab_bar_show = 1;
563 	} else if (!strcmp(var, "max-killed-tabs")) {
564 		if (val >= 0)
565 			max_killed_tabs = MIN(val, 128);
566 	} else if (!strcmp(var, "fringe-ignore-offset")) {
567 		fringe_ignore_offset = !!val;
568 	} else {
569 		return 0;
570 	}
571 
572 	return 1;
573 }
574 
575 int
576 config_setvars(const char *var, char *val)
577 {
578 	if (!strcmp(var, "download-path")) {
579 		const char *prfx = "", *v = val, *sufx = "";
580 
581 		if (has_prefix(val, "~/") &&
582 		    v++ &&
583 		    (prfx = getenv("HOME")) == NULL)
584 			return 0;
585 
586 		if (!has_suffix(val, "/"))
587 			sufx = "/";
588 
589 		free(download_path);
590 		if (asprintf(&download_path, "%s%s%s", prfx, v, sufx) == -1) {
591 			download_path = NULL;
592 			return 0;
593 		}
594 
595 		free(val);
596 		return 1;
597 	} else if (!strcmp(var, "new-tab-url")) {
598 		free(new_tab_url);
599 		new_tab_url = val;
600 	} else
601 		return 0;
602 	return 1;
603 }
604 
605 int
606 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
607 {
608 	struct mapping *m;
609 	struct line_face *f;
610 
611 	if (!strcmp(name, "tabline")) {
612 		if (bg)
613 			tab_face.bg_bg = prfx;
614 		else
615 			tab_face.bg_fg = prfx;
616 	} else if (has_prefix(name, "tabline.")) {
617 		name += 8;
618 
619 		if (!strcmp(name, "tab")) {
620 			if (bg)
621 				tab_face.t_bg = prfx;
622 			else
623 				tab_face.t_fg = prfx;
624 		} else if (!strcmp(name, "current")) {
625 			if (bg)
626 				tab_face.c_bg = prfx;
627 			else
628 				tab_face.c_fg = prfx;
629 		} else
630 			return 0;
631 	} else if (has_prefix(name, "line.")) {
632 		name += 5;
633 
634 		if ((m = mapping_by_name(name)) == NULL)
635 			return 0;
636 
637 		f = &line_faces[m->linetype];
638 
639 		if (bg) {
640 			f->prfx_bg = prfx;
641 			f->bg = line;
642 			f->trail_bg = trail;
643 		} else {
644 			f->prfx_fg = prfx;
645 			f->fg = line;
646 			f->trail_fg = trail;
647 		}
648 	} else if (!strcmp(name, "line")) {
649 		if (bg) {
650 			body_face.lbg = prfx;
651 			body_face.bg  = line;
652 			body_face.rbg = trail;
653 		} else {
654 			body_face.lfg = prfx;
655 			body_face.fg = line;
656 			body_face.rfg = trail;
657 		}
658 	} else if (!strcmp(name, "download")) {
659 		if (bg)
660 			download_face.bg = prfx;
661 		else
662 			download_face.fg = prfx;
663 	} else if (!strcmp(name, "minibuffer")) {
664 		if (bg)
665 			minibuffer_face.bg = prfx;
666 		else
667 			minibuffer_face.fg = prfx;
668 	} else if (!strcmp(name, "modeline")) {
669 		if (bg)
670 			modeline_face.bg = prfx;
671 		else
672 			modeline_face.fg = prfx;
673 	} else {
674 		return 0;
675 	}
676 
677 	return 1;
678 }
679 
680 int
681 config_setattr(const char *name, int prfx, int line, int trail)
682 {
683 	struct mapping *m;
684 	struct line_face *f;
685 
686 	if (!strcmp(name, "tabline")) {
687 		tab_face.bg_attr = prfx;
688 	} else if (has_prefix(name, "tabline.")) {
689 		name += 8;
690 
691 		if (!strcmp(name, "tab"))
692 			tab_face.t_attr = prfx;
693 		else if (!strcmp(name, "current"))
694 			tab_face.c_attr = prfx;
695 		else
696 			return 0;
697 	} else if (has_prefix(name, "line.")) {
698 		name += 5;
699 
700 		if ((m = mapping_by_name(name)) == NULL)
701 			return 0;
702 
703 		f = &line_faces[m->linetype];
704 
705 		f->prfx_attr = prfx;
706 		f->attr = line;
707 		f->trail_attr = trail;
708 	} else if (!strcmp(name, "download")) {
709 		download_face.attr = prfx;
710 	} else if (!strcmp(name, "minibuffer")) {
711 		minibuffer_face.attr = prfx;
712 	} else if (!strcmp(name, "modeline")) {
713 		modeline_face.attr = prfx;
714 	} else {
715 		return 0;
716 	}
717 
718 	return 1;
719 }
720 
721 static inline void
722 tl_init_pair(int colors, int pair, int f, int b)
723 {
724 	if (f >= colors || !enable_colors)
725 		f = -1;
726 	if (b >= colors || !enable_colors)
727 		b = -1;
728 	init_pair(pair, f, b);
729 }
730 
731 void
732 config_apply_style(void)
733 {
734 	size_t i, colors, len;
735 	struct line_face *f;
736 
737 	colors = COLORS;
738 
739 	len = sizeof(line_faces)/sizeof(line_faces[0]);
740 	for (i = 0; i < len; ++i) {
741 		f = &line_faces[i];
742 
743 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
744 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
745 
746 		tl_init_pair(colors, f->pair, f->fg, f->bg);
747 		f->text = COLOR_PAIR(f->pair) | f->attr;
748 
749 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
750 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
751 	}
752 
753 	/* tab line */
754 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
755 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
756 
757 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
758 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
759 
760 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
761 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
762 
763 	/* body */
764 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
765 	body_face.body = COLOR_PAIR(PBODY);
766 
767 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
768 	body_face.left = COLOR_PAIR(PBLEFT);
769 
770 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
771 	body_face.right = COLOR_PAIR(PBRIGHT);
772 
773 	/* download */
774 	tl_init_pair(colors, PDOWNLOAD_WIN, download_face.fg, download_face.bg);
775 	download_face.background = COLOR_PAIR(PDOWNLOAD_WIN) | download_face.attr;
776 
777 	/* modeline */
778 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
779 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
780 
781 	/* minibuffer */
782 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
783 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
784 
785 }