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Date:: Fri Nov 5 13:59:10 2021 UTC
Message:: add side window for downloads
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 = 80;
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 
68 struct line_face line_faces[] = {
69 	[LINE_TEXT] =		{
70 		.prfx_pair = PT_PRFX,
71 		.pair = PT,
72 		.trail_pair = PT_TRAIL,
73 	},
74 	[LINE_LINK] =		{
75 		.prfx_pair = PL_PRFX,
76 		.pair = PL,
77 		.trail_pair = PL_TRAIL,
78 		.attr = A_UNDERLINE,
79 	},
80 	[LINE_TITLE_1] =	{
81 		.prfx_pair = PT1_PRFX,
82 		.pair = PT1,
83 		.trail_pair = PT1_TRAIL,
84 		.attr = A_BOLD,
85 	},
86 	[LINE_TITLE_2] =	{
87 		.prfx_pair = PT2_PRFX,
88 		.pair = PT2,
89 		.trail_pair = PT2_TRAIL,
90 		.attr = A_BOLD,
91 	},
92 	[LINE_TITLE_3] =	{
93 		.prfx_pair = PT3_PRFX,
94 		.pair = PT3,
95 		.trail_pair = PT3_TRAIL,
96 		.attr = A_BOLD,
97 	},
98 	[LINE_ITEM] =		{
99 		.prfx_pair = PI_PRFX,
100 		.pair = PI,
101 		.trail_pair = PI_TRAIL,
102 	},
103 	[LINE_QUOTE] =		{
104 		.prfx_pair = PQ_PRFX,
105 		.pair = PQ,
106 		.trail_pair = PQ_TRAIL,
107 		.attr = A_DIM,
108 	},
109 	[LINE_PRE_START] =	{
110 		.prfx_pair = PPSTART_PRFX,
111 		.pair = PPSTART,
112 		.trail_pair = PPSTART_TRAIL,
113 	},
114 	[LINE_PRE_CONTENT] =	{
115 		.prfx_pair = PP_PRFX,
116 		.pair = PP,
117 		.trail_pair = PP_TRAIL,
118 	},
119 	[LINE_PRE_END] =	{
120 		.prfx_pair = PPEND_PRFX,
121 		.pair = PPEND,
122 		.trail_pair = PPEND_TRAIL,
123 	},
124 
125 	/* text/x-patch */
126 	[LINE_PATCH] = {
127 		.prfx_pair = PPATCH_PRFX,
128 		.pair = PPATCH,
129 		.trail_pair = PPATCH_TRAIL,
130 	},
131 	[LINE_PATCH_HDR] = {
132 		.prfx_pair = PPATCH_HDR_PRFX,
133 		.pair = PPATCH_HDR,
134 		.trail_pair = PPATCH_HDR_TRAIL,
135 	},
136 	[LINE_PATCH_HUNK_HDR] = {
137 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
138 		.pair = PPATCH_HUNK_HDR,
139 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
140 	},
141 	[LINE_PATCH_ADD] = {
142 		.prfx_pair = PPATCH_ADD_PRFX,
143 		.pair = PPATCH_ADD,
144 		.trail_pair = PPATCH_ADD_TRAIL,
145 	},
146 	[LINE_PATCH_DEL] = {
147 		.prfx_pair = PPATCH_DEL_PRFX,
148 		.pair = PPATCH_DEL,
149 		.trail_pair = PPATCH_DEL_TRAIL,
150 	},
151 
152 	/* minibuffer */
153 	[LINE_COMPL] = {
154 		.prfx_pair = PCOMPL_PRFX,
155 		.pair = PCOMPL,
156 		.trail_pair = PCOMPL_TRAIL,
157 	},
158 	[LINE_COMPL_CURRENT] = {
159 		.prfx_pair = PCOMPL_CURR_PRFX,
160 		.pair = PCOMPL_CURR,
161 		.trail_pair = PCOMPL_CURR_TRAIL,
162 		.attr = A_REVERSE,
163 		.trail_attr = A_REVERSE,
164 	},
165 
166 	/* help */
167 	[LINE_HELP] = {
168 		.prfx_pair = PHELP_PRFX,
169 		.pair = PHELP,
170 		.trail_pair = PHELP_TRAIL,
171 	},
172 };
173 
174 struct tab_face tab_face = {
175 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
176 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
177 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
178 
179 	/*
180 	 * set these so that even when enable-color=0 the bar has some
181 	 * sane defaults.
182 	 */
183 	.background =	A_REVERSE,
184 	.tab =		A_REVERSE,
185 	.current =	A_NORMAL,
186 };
187 
188 struct body_face body_face = {
189 	.lbg = -1, .lfg = -1,
190 	.bg  = -1, .fg  = -1,
191 	.rbg = -1, .rfg = -1,
192 };
193 
194 struct modeline_face modeline_face = {
195 	.bg  = -1,
196 	.fg  = -1,
197 	.attr = A_REVERSE,
198 };
199 
200 struct minibuffer_face minibuffer_face = {
201 	.bg = -1,
202 	.fg = -1,
203 	.attr = A_NORMAL,
204 };
205 
206 struct mapping {
207 	const char	*label;
208 	int		 linetype;
209 } mappings[] = {
210 	{"text",	LINE_TEXT},
211 	{"link",	LINE_LINK},
212 	{"title1",	LINE_TITLE_1},
213 	{"title2",	LINE_TITLE_2},
214 	{"title3",	LINE_TITLE_3},
215 	{"item",	LINE_ITEM},
216 	{"quote",	LINE_QUOTE},
217 	{"pre.start",	LINE_PRE_START},
218 	{"pre",		LINE_PRE_CONTENT},
219 	{"pre.end",	LINE_PRE_END},
220 
221 	/* text/x-patch */
222 	{"patch",	LINE_PATCH},
223 	{"patch.hdr",	LINE_PATCH_HDR},
224 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
225 	{"patch.add",	LINE_PATCH_ADD},
226 	{"patch.del",	LINE_PATCH_DEL},
227 
228 	/* minibuffer */
229 	{"compl",	LINE_COMPL},
230 	{"compl.current", LINE_COMPL_CURRENT},
231 
232 	/* help */
233 	{"help",	LINE_HELP},
234 };
235 
236 static struct mapping *
237 mapping_by_name(const char *name)
238 {
239 	size_t i;
240 
241 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
242 		if (!strcmp(name, mappings[i].label))
243 			return &mappings[i];
244 	}
245 
246 	return NULL;
247 }
248 
249 
250 static inline void
251 global_set_key(const char *key, void (*fn)(struct buffer*))
252 {
253 	if (!kmap_define_key(&global_map, key, fn))
254 		_exit(1);
255 }
256 
257 static inline void
258 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
259 {
260 	if (!kmap_define_key(&minibuffer_map, key, fn))
261 		_exit(1);
262 }
263 
264 static void
265 load_default_keys(void)
266 {
267 	/* === global map === */
268 
269 	/* emacs */
270 	global_set_key("C-p",		cmd_previous_line);
271 	global_set_key("C-n",		cmd_next_line);
272 	global_set_key("C-f",		cmd_forward_char);
273 	global_set_key("C-b",		cmd_backward_char);
274 	global_set_key("M-{",		cmd_backward_paragraph);
275 	global_set_key("M-}",		cmd_forward_paragraph);
276 	global_set_key("C-a",		cmd_move_beginning_of_line);
277 	global_set_key("C-e",		cmd_move_end_of_line);
278 
279 	global_set_key("M-v",		cmd_scroll_up);
280 	global_set_key("C-v",		cmd_scroll_down);
281 	global_set_key("M-space",	cmd_scroll_up);
282 	global_set_key("space",		cmd_scroll_down);
283 
284 	global_set_key("M-<",		cmd_beginning_of_buffer);
285 	global_set_key("M->",		cmd_end_of_buffer);
286 
287 	global_set_key("C-x C-c",	cmd_kill_telescope);
288 
289 	global_set_key("C-g",		cmd_clear_minibuf);
290 
291 	global_set_key("M-x",		cmd_execute_extended_command);
292 
293 	global_set_key("C-c {",		cmd_dec_fill_column);
294 	global_set_key("C-c }",		cmd_inc_fill_column);
295 
296 	global_set_key("C-c p",		cmd_previous_heading);
297 	global_set_key("C-c n",		cmd_next_heading);
298 
299 	global_set_key(">",		cmd_load_url);
300 	global_set_key("<",		cmd_load_current_url);
301 	global_set_key("C-x C-f",	cmd_load_url);
302 	global_set_key("C-x M-f",	cmd_load_current_url);
303 
304 	global_set_key("C-x o",		cmd_other_window);
305 
306 	global_set_key("C-x t 0",	cmd_tab_close);
307 	global_set_key("C-x t 1",	cmd_tab_close_other);
308 	global_set_key("C-x t 2",	cmd_tab_new);
309 	global_set_key("C-x t o",	cmd_tab_next);
310 	global_set_key("C-x t O",	cmd_tab_previous);
311 	global_set_key("C-x t m",	cmd_tab_move);
312 	global_set_key("C-x t M",	cmd_tab_move_to);
313 
314 	global_set_key("B",		cmd_previous_page);
315 	global_set_key("C-M-b",		cmd_previous_page);
316 	global_set_key("F",		cmd_next_page);
317 	global_set_key("C-M-f",		cmd_next_page);
318 
319 	global_set_key("<f7> a",	cmd_bookmark_page);
320 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
321 
322 	global_set_key("C-z",		cmd_suspend_telescope);
323 
324 	/* vi/vi-like */
325 	global_set_key("k",		cmd_previous_line);
326 	global_set_key("j",		cmd_next_line);
327 	global_set_key("l",		cmd_forward_char);
328 	global_set_key("h",		cmd_backward_char);
329 	global_set_key("{",		cmd_backward_paragraph);
330 	global_set_key("}",		cmd_forward_paragraph);
331 	global_set_key("^",		cmd_move_beginning_of_line);
332 	global_set_key("$",		cmd_move_end_of_line);
333 
334 	global_set_key("K",		cmd_scroll_line_up);
335 	global_set_key("J",		cmd_scroll_line_down);
336 
337 	global_set_key("g g",		cmd_beginning_of_buffer);
338 	global_set_key("G",		cmd_end_of_buffer);
339 
340 	global_set_key("g D",		cmd_tab_close);
341 	global_set_key("g N",		cmd_tab_new);
342 	global_set_key("g t",		cmd_tab_next);
343 	global_set_key("g T",		cmd_tab_previous);
344 	global_set_key("g M-t",		cmd_tab_move);
345 	global_set_key("g M-T",		cmd_tab_move_to);
346 
347 	global_set_key("H",		cmd_previous_page);
348 	global_set_key("L",		cmd_next_page);
349 
350 	/* tmp */
351 	global_set_key("q",		cmd_kill_telescope);
352 
353 	global_set_key("esc",		cmd_clear_minibuf);
354 
355 	global_set_key(":",		cmd_execute_extended_command);
356 
357 	/* cua */
358 	global_set_key("<up>",		cmd_previous_line);
359 	global_set_key("<down>",	cmd_next_line);
360 	global_set_key("<right>",	cmd_forward_char);
361 	global_set_key("<left>",	cmd_backward_char);
362 	global_set_key("<home>",	cmd_move_beginning_of_line);
363 	global_set_key("<end>",		cmd_move_end_of_line);
364 	global_set_key("<prior>",	cmd_scroll_up);
365 	global_set_key("<next>",	cmd_scroll_down);
366 
367 	global_set_key("C-w",		cmd_tab_close);
368 	global_set_key("C-t",		cmd_tab_new);
369 	global_set_key("M-<prior>",	cmd_tab_previous);
370 	global_set_key("M-<next>",	cmd_tab_next);
371 
372 	global_set_key("M-<left>",	cmd_previous_page);
373 	global_set_key("M-<right>",	cmd_next_page);
374 
375 	global_set_key("<f5>",		cmd_reload_page);
376 	global_set_key("r",		cmd_reload_page);
377 
378 	/* "ncurses standard" */
379 	global_set_key("C-l",		cmd_redraw);
380 
381 	/* global */
382 	global_set_key("<f1>",		cmd_toggle_help);
383 	global_set_key("<f2>",		cmd_toggle_downloads);
384 	global_set_key("C-m",		cmd_push_button);
385 	global_set_key("M-enter",	cmd_push_button_new_tab);
386 	global_set_key("M-tab",		cmd_previous_button);
387 	global_set_key("backtab",	cmd_previous_button);
388 	global_set_key("tab",		cmd_next_button);
389 	global_set_key("M-t",		cmd_tab_select);
390 	global_set_key("[",		cmd_tab_previous);
391 	global_set_key("]",		cmd_tab_next);
392 	global_set_key("M-[",		cmd_tab_move_to);
393 	global_set_key("M-]",		cmd_tab_move);
394 	global_set_key("M-l",		cmd_link_select);
395 	global_set_key("M-/",		cmd_swiper);
396 	global_set_key("t",		cmd_toc);
397 
398 	/* === minibuffer map === */
399 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
400 	minibuffer_set_key("C-g",		cmd_mini_abort);
401 	minibuffer_set_key("esc",		cmd_mini_abort);
402 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
403 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
404 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
405 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
406 
407 	minibuffer_set_key("C-b",		cmd_backward_char);
408 	minibuffer_set_key("C-f",		cmd_forward_char);
409 	minibuffer_set_key("<left>",		cmd_backward_char);
410 	minibuffer_set_key("<right>",		cmd_forward_char);
411 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
412 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
413 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
414 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
415 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
416 
417 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
418 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
419 
420 	minibuffer_set_key("C-p",		cmd_previous_completion);
421 	minibuffer_set_key("C-n",		cmd_next_completion);
422 	minibuffer_set_key("<up>",		cmd_previous_completion);
423 	minibuffer_set_key("<down>",		cmd_next_completion);
424 
425 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
426 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
427 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
428 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
429 
430 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
431 	minibuffer_set_key("M->",		cmd_mini_goto_end);
432 
433 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
434 }
435 
436 void
437 config_init(void)
438 {
439 	struct line_face *f;
440 	size_t i, len;
441 
442 	len = sizeof(line_faces)/sizeof(line_faces[0]);
443 	for (i = 0; i < len; ++i) {
444 		f = &line_faces[i];
445 
446 		f->prfx_bg = f->bg = f->trail_bg = -1;
447 		f->prfx_fg = f->fg = f->trail_fg = -1;
448 	}
449 
450 	line_faces[LINE_LINK].fg = COLOR_BLUE;
451 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
452 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
453 
454 	load_default_keys();
455 }
456 
457 int
458 config_setprfx(const char *name, const char *prfx, const char *cont)
459 {
460 	struct lineprefix *p;
461 	struct mapping *m;
462 
463 	if (!has_prefix(name, "line."))
464 		return 0;
465 	name += 5;
466 
467 	if ((m = mapping_by_name(name)) == NULL)
468 		return 0;
469 
470 	p = &line_prefixes[m->linetype];
471 	p->prfx1 = prfx;
472 	p->prfx2 = cont;
473 
474 	return 1;
475 }
476 
477 int
478 config_setvari(const char *var, int val)
479 {
480 	if (!strcmp(var, "fill-column")) {
481 		if ((fill_column = val) <= 0)
482 			fill_column = INT_MAX;
483 	} else if (!strcmp(var, "olivetti-mode")) {
484 		olivetti_mode = !!val;
485 	} else if (!strcmp(var, "enable-colors")) {
486 		enable_colors = !!val;
487 	} else if (!strcmp(var, "hide-pre-context")) {
488 		hide_pre_context = !!val;
489 	} else if (!strcmp(var, "hide-pre-blocks")) {
490 		hide_pre_blocks = !!val;
491 	} else if (!strcmp(var, "hide-pre-closing-line")) {
492 		hide_pre_closing_line = !!val;
493 	} else if (!strcmp(var, "dont-wrap-pre")) {
494 		dont_wrap_pre = !!val;
495 	} else if (!strcmp(var, "emojify-link")) {
496 		emojify_link = !!val;
497 	} else if (!strcmp(var, "set-title")) {
498 		set_title = !!val;
499 	} else if (!strcmp(var, "autosave")) {
500 		autosave = val;
501 	} else if (!strcmp(var, "tab-bar-show")) {
502 		if (val < 0)
503 			tab_bar_show = -1;
504 		else if (val == 0)
505 			tab_bar_show = 0;
506 		else
507 			tab_bar_show = 1;
508 	} else {
509 		return 0;
510 	}
511 
512 	return 1;
513 }
514 
515 int
516 config_setvars(const char *var, char *val)
517 {
518 	if (!strcmp(var, "download-path")) {
519 		const char *prfx = "", *v = val, *sufx = "";
520 
521 		if (has_prefix(val, "~/") &&
522 		    v++ &&
523 		    (prfx = getenv("HOME")) == NULL)
524 			return 0;
525 
526 		if (!has_suffix(val, "/"))
527 			sufx = "/";
528 
529 		free(download_path);
530 		if (asprintf(&download_path, "%s%s%s", prfx, v, sufx) == -1) {
531 			download_path = NULL;
532 			return 0;
533 		}
534 
535 		free(val);
536 		return 1;
537 	} else if (!strcmp(var, "new-tab-url")) {
538 		free(new_tab_url);
539 		new_tab_url = val;
540 	} else
541 		return 0;
542 	return 1;
543 }
544 
545 int
546 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
547 {
548 	struct mapping *m;
549 	struct line_face *f;
550 
551 	if (!strcmp(name, "tabline")) {
552 		if (bg)
553 			tab_face.bg_bg = prfx;
554 		else
555 			tab_face.bg_fg = prfx;
556 	} else if (has_prefix(name, "tabline.")) {
557 		name += 8;
558 
559 		if (!strcmp(name, "tab")) {
560 			if (bg)
561 				tab_face.t_bg = prfx;
562 			else
563 				tab_face.t_fg = prfx;
564 		} else if (!strcmp(name, "current")) {
565 			if (bg)
566 				tab_face.c_bg = prfx;
567 			else
568 				tab_face.c_fg = prfx;
569 		} else
570 			return 0;
571 	} else if (has_prefix(name, "line.")) {
572 		name += 5;
573 
574 		if ((m = mapping_by_name(name)) == NULL)
575 			return 0;
576 
577 		f = &line_faces[m->linetype];
578 
579 		if (bg) {
580 			f->prfx_bg = prfx;
581 			f->bg = line;
582 			f->trail_bg = trail;
583 		} else {
584 			f->prfx_fg = prfx;
585 			f->fg = line;
586 			f->trail_fg = trail;
587 		}
588 	} else if (!strcmp(name, "line")) {
589 		if (bg) {
590 			body_face.lbg = prfx;
591 			body_face.bg  = line;
592 			body_face.rbg = trail;
593 		} else {
594 			body_face.lfg = prfx;
595 			body_face.fg = line;
596 			body_face.rfg = trail;
597 		}
598 	} else if (!strcmp(name, "minibuffer")) {
599 		if (bg)
600 			minibuffer_face.bg = prfx;
601 		else
602 			minibuffer_face.fg = prfx;
603 	} else if (!strcmp(name, "modeline")) {
604 		if (bg)
605 			modeline_face.bg = prfx;
606 		else
607 			modeline_face.fg = prfx;
608 	} else {
609 		return 0;
610 	}
611 
612 	return 1;
613 }
614 
615 int
616 config_setattr(const char *name, int prfx, int line, int trail)
617 {
618 	struct mapping *m;
619 	struct line_face *f;
620 
621 	if (!strcmp(name, "tabline")) {
622 		tab_face.bg_attr = prfx;
623 	} else if (has_prefix(name, "tabline.")) {
624 		name += 8;
625 
626 		if (!strcmp(name, "tab"))
627 			tab_face.t_attr = prfx;
628 		else if (!strcmp(name, "current"))
629 			tab_face.c_attr = 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 		f->prfx_attr = prfx;
641 		f->attr = line;
642 		f->trail_attr = trail;
643 	} else if (!strcmp(name, "minibuffer")) {
644 		minibuffer_face.attr = prfx;
645 	} else if (!strcmp(name, "modeline")) {
646 		modeline_face.attr = prfx;
647 	} else {
648 		return 0;
649 	}
650 
651 	return 1;
652 }
653 
654 static inline void
655 tl_init_pair(int colors, int pair, int f, int b)
656 {
657 	if (f >= colors || !enable_colors)
658 		f = -1;
659 	if (b >= colors || !enable_colors)
660 		b = -1;
661 	init_pair(pair, f, b);
662 }
663 
664 void
665 config_apply_style(void)
666 {
667 	size_t i, colors, len;
668 	struct line_face *f;
669 
670 	colors = COLORS;
671 
672 	len = sizeof(line_faces)/sizeof(line_faces[0]);
673 	for (i = 0; i < len; ++i) {
674 		f = &line_faces[i];
675 
676 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
677 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
678 
679 		tl_init_pair(colors, f->pair, f->fg, f->bg);
680 		f->text = COLOR_PAIR(f->pair) | f->attr;
681 
682 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
683 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
684 	}
685 
686 	/* tab line */
687 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
688 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
689 
690 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
691 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
692 
693 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
694 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
695 
696 	/* body */
697 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
698 	body_face.body = COLOR_PAIR(PBODY);
699 
700 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
701 	body_face.left = COLOR_PAIR(PBLEFT);
702 
703 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
704 	body_face.right = COLOR_PAIR(PBRIGHT);
705 
706 	/* modeline */
707 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
708 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
709 
710 	/* minibuffer */
711 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
712 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
713 
714 }