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Date:: Sun Jan 2 16:47:07 2022 UTC
Message:: bump default fill-column to 120
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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 
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 hide_pre_blocks = 0;
38 int hide_pre_closing_line = 0;
39 int hide_pre_context = 0;
40 int olivetti_mode = 1;
41 int set_title = 1;
42 int tab_bar_show = 1;
43 
44 struct lineprefix line_prefixes[] = {
45 	[LINE_TEXT] =		{ "",		"" },
46 	[LINE_LINK] =		{ "→ ",	"  " },
47 	[LINE_TITLE_1] =	{ "# ",		"  " },
48 	[LINE_TITLE_2] =	{ "## ",	"   " },
49 	[LINE_TITLE_3] =	{ "### ",	"    " },
50 	[LINE_ITEM] =		{ " • ",	"   " },
51 	[LINE_QUOTE] =		{ " ┃ ",	" ┃ " },
52 	[LINE_PRE_START] =	{ "─── ",	"    " },
53 	[LINE_PRE_CONTENT] =	{ "",		"" },
54 	[LINE_PRE_END] =	{ "─── ",	"" },
55 
56 	[LINE_PATCH] =		{"", ""},
57 	[LINE_PATCH_HDR] =	{"", ""},
58 	[LINE_PATCH_HUNK_HDR] =	{"", ""},
59 	[LINE_PATCH_ADD] =	{"", ""},
60 	[LINE_PATCH_DEL] =	{"", ""},
61 
62 	[LINE_COMPL] =		{"", ""},
63 	[LINE_COMPL_CURRENT] =	{"", ""},
64 
65 	[LINE_HELP] =		{"", ""},
66 
67 	[LINE_DOWNLOAD] =	{" Fetching ", "          "},
68 	[LINE_DOWNLOAD_DONE] =	{" Done     ", "          "},
69 	[LINE_DOWNLOAD_INFO] =	{" ", " "},
70 };
71 
72 struct line_face line_faces[] = {
73 	[LINE_TEXT] =		{
74 		.prfx_pair = PT_PRFX,
75 		.pair = PT,
76 		.trail_pair = PT_TRAIL,
77 	},
78 	[LINE_LINK] =		{
79 		.prfx_pair = PL_PRFX,
80 		.pair = PL,
81 		.trail_pair = PL_TRAIL,
82 		.attr = A_UNDERLINE,
83 	},
84 	[LINE_TITLE_1] =	{
85 		.prfx_pair = PT1_PRFX,
86 		.pair = PT1,
87 		.trail_pair = PT1_TRAIL,
88 		.attr = A_BOLD,
89 	},
90 	[LINE_TITLE_2] =	{
91 		.prfx_pair = PT2_PRFX,
92 		.pair = PT2,
93 		.trail_pair = PT2_TRAIL,
94 		.attr = A_BOLD,
95 	},
96 	[LINE_TITLE_3] =	{
97 		.prfx_pair = PT3_PRFX,
98 		.pair = PT3,
99 		.trail_pair = PT3_TRAIL,
100 		.attr = A_BOLD,
101 	},
102 	[LINE_ITEM] =		{
103 		.prfx_pair = PI_PRFX,
104 		.pair = PI,
105 		.trail_pair = PI_TRAIL,
106 	},
107 	[LINE_QUOTE] =		{
108 		.prfx_pair = PQ_PRFX,
109 		.pair = PQ,
110 		.trail_pair = PQ_TRAIL,
111 		.attr = A_DIM,
112 	},
113 	[LINE_PRE_START] =	{
114 		.prfx_pair = PPSTART_PRFX,
115 		.pair = PPSTART,
116 		.trail_pair = PPSTART_TRAIL,
117 	},
118 	[LINE_PRE_CONTENT] =	{
119 		.prfx_pair = PP_PRFX,
120 		.pair = PP,
121 		.trail_pair = PP_TRAIL,
122 	},
123 	[LINE_PRE_END] =	{
124 		.prfx_pair = PPEND_PRFX,
125 		.pair = PPEND,
126 		.trail_pair = PPEND_TRAIL,
127 	},
128 
129 	/* text/x-patch */
130 	[LINE_PATCH] = {
131 		.prfx_pair = PPATCH_PRFX,
132 		.pair = PPATCH,
133 		.trail_pair = PPATCH_TRAIL,
134 	},
135 	[LINE_PATCH_HDR] = {
136 		.prfx_pair = PPATCH_HDR_PRFX,
137 		.pair = PPATCH_HDR,
138 		.trail_pair = PPATCH_HDR_TRAIL,
139 	},
140 	[LINE_PATCH_HUNK_HDR] = {
141 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
142 		.pair = PPATCH_HUNK_HDR,
143 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
144 	},
145 	[LINE_PATCH_ADD] = {
146 		.prfx_pair = PPATCH_ADD_PRFX,
147 		.pair = PPATCH_ADD,
148 		.trail_pair = PPATCH_ADD_TRAIL,
149 	},
150 	[LINE_PATCH_DEL] = {
151 		.prfx_pair = PPATCH_DEL_PRFX,
152 		.pair = PPATCH_DEL,
153 		.trail_pair = PPATCH_DEL_TRAIL,
154 	},
155 
156 	/* minibuffer */
157 	[LINE_COMPL] = {
158 		.prfx_pair = PCOMPL_PRFX,
159 		.pair = PCOMPL,
160 		.trail_pair = PCOMPL_TRAIL,
161 	},
162 	[LINE_COMPL_CURRENT] = {
163 		.prfx_pair = PCOMPL_CURR_PRFX,
164 		.pair = PCOMPL_CURR,
165 		.trail_pair = PCOMPL_CURR_TRAIL,
166 		.attr = A_REVERSE,
167 		.trail_attr = A_REVERSE,
168 	},
169 
170 	/* help */
171 	[LINE_HELP] = {
172 		.prfx_pair = PHELP_PRFX,
173 		.pair = PHELP,
174 		.trail_pair = PHELP_TRAIL,
175 	},
176 
177 	/* download */
178 	[LINE_DOWNLOAD] = {
179 		.prfx_pair = PDOWNLOAD_PRFX,
180 		.pair = PDOWNLOAD,
181 		.trail_pair = PDOWNLOAD_TRAIL
182 	},
183 	[LINE_DOWNLOAD_DONE] = {
184 		.prfx_pair = PDOWNLOAD_DONE_PRFX,
185 		.pair = PDOWNLOAD_DONE,
186 		.trail_pair = PDOWNLOAD_DONE_TRAIL
187 	},
188 	[LINE_DOWNLOAD_INFO] = {
189 		.prfx_pair = PDOWNLOAD_INFO_PRFX,
190 		.pair = PDOWNLOAD_INFO,
191 		.trail_pair = PDOWNLOAD_INFO_TRAIL
192 	},
193 };
194 
195 struct tab_face tab_face = {
196 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
197 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
198 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
199 
200 	/*
201 	 * set these so that even when enable-color=0 the bar has some
202 	 * sane defaults.
203 	 */
204 	.background =	A_REVERSE,
205 	.tab =		A_REVERSE,
206 	.current =	A_NORMAL,
207 };
208 
209 struct body_face body_face = {
210 	.lbg = -1, .lfg = -1,
211 	.bg  = -1, .fg  = -1,
212 	.rbg = -1, .rfg = -1,
213 };
214 
215 struct download_face download_face = {
216 	.bg = -1,
217 	.fg = -1,
218 	.attr = A_NORMAL,
219 };
220 
221 struct modeline_face modeline_face = {
222 	.bg  = -1,
223 	.fg  = -1,
224 	.attr = A_REVERSE,
225 };
226 
227 struct minibuffer_face minibuffer_face = {
228 	.bg = -1,
229 	.fg = -1,
230 	.attr = A_NORMAL,
231 };
232 
233 struct mapping {
234 	const char	*label;
235 	int		 linetype;
236 } mappings[] = {
237 	{"text",	LINE_TEXT},
238 	{"link",	LINE_LINK},
239 	{"title1",	LINE_TITLE_1},
240 	{"title2",	LINE_TITLE_2},
241 	{"title3",	LINE_TITLE_3},
242 	{"item",	LINE_ITEM},
243 	{"quote",	LINE_QUOTE},
244 	{"pre.start",	LINE_PRE_START},
245 	{"pre",		LINE_PRE_CONTENT},
246 	{"pre.end",	LINE_PRE_END},
247 
248 	/* text/x-patch */
249 	{"patch",	LINE_PATCH},
250 	{"patch.hdr",	LINE_PATCH_HDR},
251 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
252 	{"patch.add",	LINE_PATCH_ADD},
253 	{"patch.del",	LINE_PATCH_DEL},
254 
255 	/* minibuffer */
256 	{"compl",	LINE_COMPL},
257 	{"compl.current", LINE_COMPL_CURRENT},
258 
259 	/* help */
260 	{"help",	LINE_HELP},
261 
262 	/* download */
263 	{"download.ongoing",	LINE_DOWNLOAD},
264 	{"download.done",	LINE_DOWNLOAD_DONE},
265 	{"download.info",	LINE_DOWNLOAD_INFO},
266 };
267 
268 static struct mapping *
269 mapping_by_name(const char *name)
270 {
271 	size_t i;
272 
273 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
274 		if (!strcmp(name, mappings[i].label))
275 			return &mappings[i];
276 	}
277 
278 	return NULL;
279 }
280 
281 static inline void
282 global_set_key(const char *key, void (*fn)(struct buffer*))
283 {
284 	if (!kmap_define_key(&global_map, key, fn))
285 		_exit(1);
286 }
287 
288 static inline void
289 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
290 {
291 	if (!kmap_define_key(&minibuffer_map, key, fn))
292 		_exit(1);
293 }
294 
295 static void
296 load_default_keys(void)
297 {
298 	/* === global map === */
299 
300 	/* emacs */
301 	global_set_key("C-p",		cmd_previous_line);
302 	global_set_key("C-n",		cmd_next_line);
303 	global_set_key("C-f",		cmd_forward_char);
304 	global_set_key("C-b",		cmd_backward_char);
305 	global_set_key("M-{",		cmd_backward_paragraph);
306 	global_set_key("M-}",		cmd_forward_paragraph);
307 	global_set_key("C-a",		cmd_move_beginning_of_line);
308 	global_set_key("C-e",		cmd_move_end_of_line);
309 
310 	global_set_key("M-v",		cmd_scroll_up);
311 	global_set_key("C-v",		cmd_scroll_down);
312 	global_set_key("M-space",	cmd_scroll_up);
313 	global_set_key("space",		cmd_scroll_down);
314 
315 	global_set_key("M-<",		cmd_beginning_of_buffer);
316 	global_set_key("M->",		cmd_end_of_buffer);
317 
318 	global_set_key("C-x C-c",	cmd_kill_telescope);
319 
320 	global_set_key("C-g",		cmd_clear_minibuf);
321 
322 	global_set_key("M-x",		cmd_execute_extended_command);
323 
324 	global_set_key("C-c {",		cmd_dec_fill_column);
325 	global_set_key("C-c }",		cmd_inc_fill_column);
326 
327 	global_set_key("C-c p",		cmd_previous_heading);
328 	global_set_key("C-c n",		cmd_next_heading);
329 
330 	global_set_key(">",		cmd_load_url);
331 	global_set_key("<",		cmd_load_current_url);
332 	global_set_key("C-x C-f",	cmd_load_url);
333 	global_set_key("C-x M-f",	cmd_load_current_url);
334 
335 	global_set_key("C-x o",		cmd_other_window);
336 
337 	global_set_key("C-x t 0",	cmd_tab_close);
338 	global_set_key("C-x t 1",	cmd_tab_close_other);
339 	global_set_key("C-x t 2",	cmd_tab_new);
340 	global_set_key("C-x t o",	cmd_tab_next);
341 	global_set_key("C-x t O",	cmd_tab_previous);
342 	global_set_key("C-x t m",	cmd_tab_move);
343 	global_set_key("C-x t M",	cmd_tab_move_to);
344 
345 	global_set_key("B",		cmd_previous_page);
346 	global_set_key("C-M-b",		cmd_previous_page);
347 	global_set_key("F",		cmd_next_page);
348 	global_set_key("C-M-f",		cmd_next_page);
349 
350 	global_set_key("<f7> a",	cmd_bookmark_page);
351 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
352 
353 	global_set_key("C-z",		cmd_suspend_telescope);
354 
355 	/* vi/vi-like */
356 	global_set_key("k",		cmd_previous_line);
357 	global_set_key("j",		cmd_next_line);
358 	global_set_key("l",		cmd_forward_char);
359 	global_set_key("h",		cmd_backward_char);
360 	global_set_key("{",		cmd_backward_paragraph);
361 	global_set_key("}",		cmd_forward_paragraph);
362 	global_set_key("^",		cmd_move_beginning_of_line);
363 	global_set_key("$",		cmd_move_end_of_line);
364 
365 	global_set_key("K",		cmd_scroll_line_up);
366 	global_set_key("J",		cmd_scroll_line_down);
367 
368 	global_set_key("g g",		cmd_beginning_of_buffer);
369 	global_set_key("G",		cmd_end_of_buffer);
370 
371 	global_set_key("g D",		cmd_tab_close);
372 	global_set_key("g N",		cmd_tab_new);
373 	global_set_key("g t",		cmd_tab_next);
374 	global_set_key("g T",		cmd_tab_previous);
375 	global_set_key("g M-t",		cmd_tab_move);
376 	global_set_key("g M-T",		cmd_tab_move_to);
377 
378 	global_set_key("H",		cmd_previous_page);
379 	global_set_key("L",		cmd_next_page);
380 
381 	/* tmp */
382 	global_set_key("q",		cmd_kill_telescope);
383 
384 	global_set_key("esc",		cmd_clear_minibuf);
385 
386 	global_set_key(":",		cmd_execute_extended_command);
387 
388 	/* cua */
389 	global_set_key("<up>",		cmd_previous_line);
390 	global_set_key("<down>",	cmd_next_line);
391 	global_set_key("<right>",	cmd_forward_char);
392 	global_set_key("<left>",	cmd_backward_char);
393 	global_set_key("<home>",	cmd_move_beginning_of_line);
394 	global_set_key("<end>",		cmd_move_end_of_line);
395 	global_set_key("<prior>",	cmd_scroll_up);
396 	global_set_key("<next>",	cmd_scroll_down);
397 
398 	global_set_key("C-w",		cmd_tab_close);
399 	global_set_key("C-t",		cmd_tab_new);
400 	global_set_key("M-<prior>",	cmd_tab_previous);
401 	global_set_key("M-<next>",	cmd_tab_next);
402 
403 	global_set_key("del",		cmd_previous_page);
404 	global_set_key("M-<left>",	cmd_previous_page);
405 	global_set_key("M-<right>",	cmd_next_page);
406 
407 	global_set_key("<f5>",		cmd_reload_page);
408 	global_set_key("r",		cmd_reload_page);
409 
410 	/* "ncurses standard" */
411 	global_set_key("C-l",		cmd_redraw);
412 
413 	/* global */
414 	global_set_key("<f1>",		cmd_toggle_help);
415 	global_set_key("<f2>",		cmd_toggle_downloads);
416 	global_set_key("C-m",		cmd_push_button);
417 	global_set_key("M-enter",	cmd_push_button_new_tab);
418 	global_set_key("M-tab",		cmd_previous_button);
419 	global_set_key("backtab",	cmd_previous_button);
420 	global_set_key("tab",		cmd_next_button);
421 	global_set_key("M-t",		cmd_tab_select);
422 	global_set_key("[",		cmd_tab_previous);
423 	global_set_key("]",		cmd_tab_next);
424 	global_set_key("M-[",		cmd_tab_move_to);
425 	global_set_key("M-]",		cmd_tab_move);
426 	global_set_key("M-l",		cmd_link_select);
427 	global_set_key("M-/",		cmd_swiper);
428 	global_set_key("t",		cmd_toc);
429 
430 	/* === minibuffer map === */
431 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
432 	minibuffer_set_key("C-g",		cmd_mini_abort);
433 	minibuffer_set_key("esc",		cmd_mini_abort);
434 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
435 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
436 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
437 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
438 
439 	minibuffer_set_key("C-b",		cmd_backward_char);
440 	minibuffer_set_key("C-f",		cmd_forward_char);
441 	minibuffer_set_key("<left>",		cmd_backward_char);
442 	minibuffer_set_key("<right>",		cmd_forward_char);
443 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
444 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
445 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
446 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
447 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
448 
449 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
450 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
451 
452 	minibuffer_set_key("C-p",		cmd_previous_completion);
453 	minibuffer_set_key("C-n",		cmd_next_completion);
454 	minibuffer_set_key("<up>",		cmd_previous_completion);
455 	minibuffer_set_key("<down>",		cmd_next_completion);
456 
457 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
458 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
459 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
460 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
461 
462 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
463 	minibuffer_set_key("M->",		cmd_mini_goto_end);
464 
465 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
466 }
467 
468 void
469 config_init(void)
470 {
471 	struct line_face *f;
472 	size_t i, len;
473 
474 	len = sizeof(line_faces)/sizeof(line_faces[0]);
475 	for (i = 0; i < len; ++i) {
476 		f = &line_faces[i];
477 
478 		f->prfx_bg = f->bg = f->trail_bg = -1;
479 		f->prfx_fg = f->fg = f->trail_fg = -1;
480 	}
481 
482 	line_faces[LINE_LINK].fg = COLOR_BLUE;
483 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
484 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
485 
486 	load_default_keys();
487 }
488 
489 int
490 config_setprfx(const char *name, const char *prfx, const char *cont)
491 {
492 	struct lineprefix *p;
493 	struct mapping *m;
494 
495 	if (!has_prefix(name, "line."))
496 		return 0;
497 	name += 5;
498 
499 	if ((m = mapping_by_name(name)) == NULL)
500 		return 0;
501 
502 	p = &line_prefixes[m->linetype];
503 	p->prfx1 = prfx;
504 	p->prfx2 = cont;
505 
506 	return 1;
507 }
508 
509 int
510 config_setvari(const char *var, int val)
511 {
512 	if (!strcmp(var, "fill-column")) {
513 		if ((fill_column = val) <= 0)
514 			fill_column = INT_MAX;
515 	} else if (!strcmp(var, "olivetti-mode")) {
516 		olivetti_mode = !!val;
517 	} else if (!strcmp(var, "enable-colors")) {
518 		enable_colors = !!val;
519 	} else if (!strcmp(var, "hide-pre-context")) {
520 		hide_pre_context = !!val;
521 	} else if (!strcmp(var, "hide-pre-blocks")) {
522 		hide_pre_blocks = !!val;
523 	} else if (!strcmp(var, "hide-pre-closing-line")) {
524 		hide_pre_closing_line = !!val;
525 	} else if (!strcmp(var, "dont-wrap-pre")) {
526 		dont_wrap_pre = !!val;
527 	} else if (!strcmp(var, "emojify-link")) {
528 		emojify_link = !!val;
529 	} else if (!strcmp(var, "change-title") || !strcmp(var, "set-title")) {
530 		set_title = !!val;
531 	} else if (!strcmp(var, "autosave")) {
532 		autosave = val;
533 	} else if (!strcmp(var, "tab-bar-show")) {
534 		if (val < 0)
535 			tab_bar_show = -1;
536 		else if (val == 0)
537 			tab_bar_show = 0;
538 		else
539 			tab_bar_show = 1;
540 	} else {
541 		return 0;
542 	}
543 
544 	return 1;
545 }
546 
547 int
548 config_setvars(const char *var, char *val)
549 {
550 	if (!strcmp(var, "download-path")) {
551 		const char *prfx = "", *v = val, *sufx = "";
552 
553 		if (has_prefix(val, "~/") &&
554 		    v++ &&
555 		    (prfx = getenv("HOME")) == NULL)
556 			return 0;
557 
558 		if (!has_suffix(val, "/"))
559 			sufx = "/";
560 
561 		free(download_path);
562 		if (asprintf(&download_path, "%s%s%s", prfx, v, sufx) == -1) {
563 			download_path = NULL;
564 			return 0;
565 		}
566 
567 		free(val);
568 		return 1;
569 	} else if (!strcmp(var, "new-tab-url")) {
570 		free(new_tab_url);
571 		new_tab_url = val;
572 	} else
573 		return 0;
574 	return 1;
575 }
576 
577 int
578 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
579 {
580 	struct mapping *m;
581 	struct line_face *f;
582 
583 	if (!strcmp(name, "tabline")) {
584 		if (bg)
585 			tab_face.bg_bg = prfx;
586 		else
587 			tab_face.bg_fg = prfx;
588 	} else if (has_prefix(name, "tabline.")) {
589 		name += 8;
590 
591 		if (!strcmp(name, "tab")) {
592 			if (bg)
593 				tab_face.t_bg = prfx;
594 			else
595 				tab_face.t_fg = prfx;
596 		} else if (!strcmp(name, "current")) {
597 			if (bg)
598 				tab_face.c_bg = prfx;
599 			else
600 				tab_face.c_fg = prfx;
601 		} else
602 			return 0;
603 	} else if (has_prefix(name, "line.")) {
604 		name += 5;
605 
606 		if ((m = mapping_by_name(name)) == NULL)
607 			return 0;
608 
609 		f = &line_faces[m->linetype];
610 
611 		if (bg) {
612 			f->prfx_bg = prfx;
613 			f->bg = line;
614 			f->trail_bg = trail;
615 		} else {
616 			f->prfx_fg = prfx;
617 			f->fg = line;
618 			f->trail_fg = trail;
619 		}
620 	} else if (!strcmp(name, "line")) {
621 		if (bg) {
622 			body_face.lbg = prfx;
623 			body_face.bg  = line;
624 			body_face.rbg = trail;
625 		} else {
626 			body_face.lfg = prfx;
627 			body_face.fg = line;
628 			body_face.rfg = trail;
629 		}
630 	} else if (!strcmp(name, "download")) {
631 		if (bg)
632 			download_face.bg = prfx;
633 		else
634 			download_face.fg = prfx;
635 	} else if (!strcmp(name, "minibuffer")) {
636 		if (bg)
637 			minibuffer_face.bg = prfx;
638 		else
639 			minibuffer_face.fg = prfx;
640 	} else if (!strcmp(name, "modeline")) {
641 		if (bg)
642 			modeline_face.bg = prfx;
643 		else
644 			modeline_face.fg = prfx;
645 	} else {
646 		return 0;
647 	}
648 
649 	return 1;
650 }
651 
652 int
653 config_setattr(const char *name, int prfx, int line, int trail)
654 {
655 	struct mapping *m;
656 	struct line_face *f;
657 
658 	if (!strcmp(name, "tabline")) {
659 		tab_face.bg_attr = prfx;
660 	} else if (has_prefix(name, "tabline.")) {
661 		name += 8;
662 
663 		if (!strcmp(name, "tab"))
664 			tab_face.t_attr = prfx;
665 		else if (!strcmp(name, "current"))
666 			tab_face.c_attr = prfx;
667 		else
668 			return 0;
669 	} else if (has_prefix(name, "line.")) {
670 		name += 5;
671 
672 		if ((m = mapping_by_name(name)) == NULL)
673 			return 0;
674 
675 		f = &line_faces[m->linetype];
676 
677 		f->prfx_attr = prfx;
678 		f->attr = line;
679 		f->trail_attr = trail;
680 	} else if (!strcmp(name, "download")) {
681 		download_face.attr = prfx;
682 	} else if (!strcmp(name, "minibuffer")) {
683 		minibuffer_face.attr = prfx;
684 	} else if (!strcmp(name, "modeline")) {
685 		modeline_face.attr = prfx;
686 	} else {
687 		return 0;
688 	}
689 
690 	return 1;
691 }
692 
693 static inline void
694 tl_init_pair(int colors, int pair, int f, int b)
695 {
696 	if (f >= colors || !enable_colors)
697 		f = -1;
698 	if (b >= colors || !enable_colors)
699 		b = -1;
700 	init_pair(pair, f, b);
701 }
702 
703 void
704 config_apply_style(void)
705 {
706 	size_t i, colors, len;
707 	struct line_face *f;
708 
709 	colors = COLORS;
710 
711 	len = sizeof(line_faces)/sizeof(line_faces[0]);
712 	for (i = 0; i < len; ++i) {
713 		f = &line_faces[i];
714 
715 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
716 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
717 
718 		tl_init_pair(colors, f->pair, f->fg, f->bg);
719 		f->text = COLOR_PAIR(f->pair) | f->attr;
720 
721 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
722 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
723 	}
724 
725 	/* tab line */
726 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
727 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
728 
729 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
730 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
731 
732 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
733 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
734 
735 	/* body */
736 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
737 	body_face.body = COLOR_PAIR(PBODY);
738 
739 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
740 	body_face.left = COLOR_PAIR(PBLEFT);
741 
742 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
743 	body_face.right = COLOR_PAIR(PBRIGHT);
744 
745 	/* download */
746 	tl_init_pair(colors, PDOWNLOAD_WIN, download_face.fg, download_face.bg);
747 	download_face.background = COLOR_PAIR(PDOWNLOAD_WIN) | download_face.attr;
748 
749 	/* modeline */
750 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
751 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
752 
753 	/* minibuffer */
754 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
755 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
756 
757 }