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Date:: Fri Sep 24 15:59:57 2021 UTC
Message:: proposal: use ^L as page separator in text/gemini
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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 = 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 	[LINE_BREAK] =		{ "",		"" },
56 
57 	[LINE_PATCH] =		{"", ""},
58 	[LINE_PATCH_HDR] =	{"", ""},
59 	[LINE_PATCH_HUNK_HDR] =	{"", ""},
60 	[LINE_PATCH_ADD] =	{"", ""},
61 	[LINE_PATCH_DEL] =	{"", ""},
62 
63 	[LINE_COMPL] =		{"", ""},
64 	[LINE_COMPL_CURRENT] =	{"", ""},
65 
66 	[LINE_HELP] =		{"", ""},
67 };
68 
69 struct line_face line_faces[] = {
70 	[LINE_TEXT] =		{
71 		.prfx_pair = PT_PRFX,
72 		.pair = PT,
73 		.trail_pair = PT_TRAIL,
74 	},
75 	[LINE_LINK] =		{
76 		.prfx_pair = PL_PRFX,
77 		.pair = PL,
78 		.trail_pair = PL_TRAIL,
79 		.attr = A_UNDERLINE,
80 	},
81 	[LINE_TITLE_1] =	{
82 		.prfx_pair = PT1_PRFX,
83 		.pair = PT1,
84 		.trail_pair = PT1_TRAIL,
85 		.attr = A_BOLD,
86 	},
87 	[LINE_TITLE_2] =	{
88 		.prfx_pair = PT2_PRFX,
89 		.pair = PT2,
90 		.trail_pair = PT2_TRAIL,
91 		.attr = A_BOLD,
92 	},
93 	[LINE_TITLE_3] =	{
94 		.prfx_pair = PT3_PRFX,
95 		.pair = PT3,
96 		.trail_pair = PT3_TRAIL,
97 		.attr = A_BOLD,
98 	},
99 	[LINE_ITEM] =		{
100 		.prfx_pair = PI_PRFX,
101 		.pair = PI,
102 		.trail_pair = PI_TRAIL,
103 	},
104 	[LINE_QUOTE] =		{
105 		.prfx_pair = PQ_PRFX,
106 		.pair = PQ,
107 		.trail_pair = PQ_TRAIL,
108 		.attr = A_DIM,
109 	},
110 	[LINE_PRE_START] =	{
111 		.prfx_pair = PPSTART_PRFX,
112 		.pair = PPSTART,
113 		.trail_pair = PPSTART_TRAIL,
114 	},
115 	[LINE_PRE_CONTENT] =	{
116 		.prfx_pair = PP_PRFX,
117 		.pair = PP,
118 		.trail_pair = PP_TRAIL,
119 	},
120 	[LINE_PRE_END] =	{
121 		.prfx_pair = PPEND_PRFX,
122 		.pair = PPEND,
123 		.trail_pair = PPEND_TRAIL,
124 	},
125 	[LINE_BREAK] =		{
126 		.prfx_pair = PB_PRFX,
127 		.pair = PB,
128 		.trail_pair = PB_TRAIL,
129 	},
130 
131 	/* text/x-patch */
132 	[LINE_PATCH] = {
133 		.prfx_pair = PPATCH_PRFX,
134 		.pair = PPATCH,
135 		.trail_pair = PPATCH_TRAIL,
136 	},
137 	[LINE_PATCH_HDR] = {
138 		.prfx_pair = PPATCH_HDR_PRFX,
139 		.pair = PPATCH_HDR,
140 		.trail_pair = PPATCH_HDR_TRAIL,
141 	},
142 	[LINE_PATCH_HUNK_HDR] = {
143 		.prfx_pair = PPATCH_HUNK_HDR_PRFX,
144 		.pair = PPATCH_HUNK_HDR,
145 		.trail_pair = PPATCH_HUNK_HDR_TRAIL,
146 	},
147 	[LINE_PATCH_ADD] = {
148 		.prfx_pair = PPATCH_ADD_PRFX,
149 		.pair = PPATCH_ADD,
150 		.trail_pair = PPATCH_ADD_TRAIL,
151 	},
152 	[LINE_PATCH_DEL] = {
153 		.prfx_pair = PPATCH_DEL_PRFX,
154 		.pair = PPATCH_DEL,
155 		.trail_pair = PPATCH_DEL_TRAIL,
156 	},
157 
158 	/* minibuffer */
159 	[LINE_COMPL] = {
160 		.prfx_pair = PCOMPL_PRFX,
161 		.pair = PCOMPL,
162 		.trail_pair = PCOMPL_TRAIL,
163 	},
164 	[LINE_COMPL_CURRENT] = {
165 		.prfx_pair = PCOMPL_CURR_PRFX,
166 		.pair = PCOMPL_CURR,
167 		.trail_pair = PCOMPL_CURR_TRAIL,
168 		.attr = A_REVERSE,
169 		.trail_attr = A_REVERSE,
170 	},
171 
172 	/* help */
173 	[LINE_HELP] = {
174 		.prfx_pair = PHELP_PRFX,
175 		.pair = PHELP,
176 		.trail_pair = PHELP_TRAIL,
177 	},
178 };
179 
180 struct tab_face tab_face = {
181 	.bg_attr = A_REVERSE, .bg_bg = -1, .bg_fg = -1,
182 	.t_attr  = A_REVERSE, .t_bg  = -1, .t_fg  = -1,
183 	.c_attr  = A_NORMAL,  .c_bg  = -1, .c_fg  = -1,
184 
185 	/*
186 	 * set these so that even when enable-color=0 the bar has some
187 	 * sane defaults.
188 	 */
189 	.background =	A_REVERSE,
190 	.tab =		A_REVERSE,
191 	.current =	A_NORMAL,
192 };
193 
194 struct body_face body_face = {
195 	.lbg = -1, .lfg = -1,
196 	.bg  = -1, .fg  = -1,
197 	.rbg = -1, .rfg = -1,
198 };
199 
200 struct modeline_face modeline_face = {
201 	.bg  = -1,
202 	.fg  = -1,
203 	.attr = A_REVERSE,
204 };
205 
206 struct minibuffer_face minibuffer_face = {
207 	.bg = -1,
208 	.fg = -1,
209 	.attr = A_NORMAL,
210 };
211 
212 struct mapping {
213 	const char	*label;
214 	int		 linetype;
215 } mappings[] = {
216 	{"text",	LINE_TEXT},
217 	{"link",	LINE_LINK},
218 	{"title1",	LINE_TITLE_1},
219 	{"title2",	LINE_TITLE_2},
220 	{"title3",	LINE_TITLE_3},
221 	{"item",	LINE_ITEM},
222 	{"quote",	LINE_QUOTE},
223 	{"pre.start",	LINE_PRE_START},
224 	{"pre",		LINE_PRE_CONTENT},
225 	{"pre.end",	LINE_PRE_END},
226 	{"break",	LINE_BREAK},
227 
228 	/* text/x-patch */
229 	{"patch",	LINE_PATCH},
230 	{"patch.hdr",	LINE_PATCH_HDR},
231 	{"patch.hunk",	LINE_PATCH_HUNK_HDR},
232 	{"patch.add",	LINE_PATCH_ADD},
233 	{"patch.del",	LINE_PATCH_DEL},
234 
235 	/* minibuffer */
236 	{"compl",	LINE_COMPL},
237 	{"compl.current", LINE_COMPL_CURRENT},
238 
239 	/* help */
240 	{"help",	LINE_HELP},
241 };
242 
243 static struct mapping *
244 mapping_by_name(const char *name)
245 {
246 	size_t i;
247 
248 	for (i = 0; i < sizeof(mappings)/sizeof(mappings[0]); ++i) {
249 		if (!strcmp(name, mappings[i].label))
250 			return &mappings[i];
251 	}
252 
253 	return NULL;
254 }
255 
256 
257 static inline void
258 global_set_key(const char *key, void (*fn)(struct buffer*))
259 {
260 	if (!kmap_define_key(&global_map, key, fn))
261 		_exit(1);
262 }
263 
264 static inline void
265 minibuffer_set_key(const char *key, void (*fn)(struct buffer*))
266 {
267 	if (!kmap_define_key(&minibuffer_map, key, fn))
268 		_exit(1);
269 }
270 
271 static void
272 load_default_keys(void)
273 {
274 	/* === global map === */
275 
276 	/* emacs */
277 	global_set_key("C-p",		cmd_previous_line);
278 	global_set_key("C-n",		cmd_next_line);
279 	global_set_key("C-f",		cmd_forward_char);
280 	global_set_key("C-b",		cmd_backward_char);
281 	global_set_key("M-{",		cmd_backward_paragraph);
282 	global_set_key("M-}",		cmd_forward_paragraph);
283 	global_set_key("C-a",		cmd_move_beginning_of_line);
284 	global_set_key("C-e",		cmd_move_end_of_line);
285 
286 	global_set_key("M-v",		cmd_scroll_up);
287 	global_set_key("C-v",		cmd_scroll_down);
288 	global_set_key("M-space",	cmd_scroll_up);
289 	global_set_key("space",		cmd_scroll_down);
290 
291 	global_set_key("M-<",		cmd_beginning_of_buffer);
292 	global_set_key("M->",		cmd_end_of_buffer);
293 
294 	global_set_key("C-x C-c",	cmd_kill_telescope);
295 
296 	global_set_key("C-g",		cmd_clear_minibuf);
297 
298 	global_set_key("M-x",		cmd_execute_extended_command);
299 
300 	global_set_key("C-c {",		cmd_dec_fill_column);
301 	global_set_key("C-c }",		cmd_inc_fill_column);
302 
303 	global_set_key("C-c p",		cmd_previous_heading);
304 	global_set_key("C-c n",		cmd_next_heading);
305 
306 	global_set_key(">",		cmd_load_url);
307 	global_set_key("<",		cmd_load_current_url);
308 	global_set_key("C-x C-f",	cmd_load_url);
309 	global_set_key("C-x M-f",	cmd_load_current_url);
310 
311 	global_set_key("C-x o",		cmd_other_window);
312 
313 	global_set_key("C-x t 0",	cmd_tab_close);
314 	global_set_key("C-x t 1",	cmd_tab_close_other);
315 	global_set_key("C-x t 2",	cmd_tab_new);
316 	global_set_key("C-x t o",	cmd_tab_next);
317 	global_set_key("C-x t O",	cmd_tab_previous);
318 	global_set_key("C-x t m",	cmd_tab_move);
319 	global_set_key("C-x t M",	cmd_tab_move_to);
320 
321 	global_set_key("B",		cmd_previous_page);
322 	global_set_key("C-M-b",		cmd_previous_page);
323 	global_set_key("F",		cmd_next_page);
324 	global_set_key("C-M-f",		cmd_next_page);
325 
326 	global_set_key("<f7> a",	cmd_bookmark_page);
327 	global_set_key("<f7> <f7>",	cmd_list_bookmarks);
328 
329 	global_set_key("C-z",		cmd_suspend_telescope);
330 
331 	/* vi/vi-like */
332 	global_set_key("k",		cmd_previous_line);
333 	global_set_key("j",		cmd_next_line);
334 	global_set_key("l",		cmd_forward_char);
335 	global_set_key("h",		cmd_backward_char);
336 	global_set_key("{",		cmd_backward_paragraph);
337 	global_set_key("}",		cmd_forward_paragraph);
338 	global_set_key("^",		cmd_move_beginning_of_line);
339 	global_set_key("$",		cmd_move_end_of_line);
340 
341 	global_set_key("K",		cmd_scroll_line_up);
342 	global_set_key("J",		cmd_scroll_line_down);
343 
344 	global_set_key("g g",		cmd_beginning_of_buffer);
345 	global_set_key("G",		cmd_end_of_buffer);
346 
347 	global_set_key("g D",		cmd_tab_close);
348 	global_set_key("g N",		cmd_tab_new);
349 	global_set_key("g t",		cmd_tab_next);
350 	global_set_key("g T",		cmd_tab_previous);
351 	global_set_key("g M-t",		cmd_tab_move);
352 	global_set_key("g M-T",		cmd_tab_move_to);
353 
354 	global_set_key("H",		cmd_previous_page);
355 	global_set_key("L",		cmd_next_page);
356 
357 	/* tmp */
358 	global_set_key("q",		cmd_kill_telescope);
359 
360 	global_set_key("esc",		cmd_clear_minibuf);
361 
362 	global_set_key(":",		cmd_execute_extended_command);
363 
364 	/* cua */
365 	global_set_key("<up>",		cmd_previous_line);
366 	global_set_key("<down>",	cmd_next_line);
367 	global_set_key("<right>",	cmd_forward_char);
368 	global_set_key("<left>",	cmd_backward_char);
369 	global_set_key("<home>",	cmd_move_beginning_of_line);
370 	global_set_key("<end>",		cmd_move_end_of_line);
371 	global_set_key("<prior>",	cmd_scroll_up);
372 	global_set_key("<next>",	cmd_scroll_down);
373 
374 	global_set_key("C-w",		cmd_tab_close);
375 	global_set_key("C-t",		cmd_tab_new);
376 	global_set_key("M-<prior>",	cmd_tab_previous);
377 	global_set_key("M-<next>",	cmd_tab_next);
378 
379 	global_set_key("M-<left>",	cmd_previous_page);
380 	global_set_key("M-<right>",	cmd_next_page);
381 
382 	global_set_key("<f5>",		cmd_reload_page);
383 	global_set_key("r",		cmd_reload_page);
384 
385 	/* "ncurses standard" */
386 	global_set_key("C-l",		cmd_redraw);
387 
388 	/* global */
389 	global_set_key("<f1>",		cmd_toggle_help);
390 	global_set_key("C-m",		cmd_push_button);
391 	global_set_key("M-enter",	cmd_push_button_new_tab);
392 	global_set_key("M-tab",		cmd_previous_button);
393 	global_set_key("backtab",	cmd_previous_button);
394 	global_set_key("tab",		cmd_next_button);
395 	global_set_key("M-t",		cmd_tab_select);
396 	global_set_key("[",		cmd_tab_previous);
397 	global_set_key("]",		cmd_tab_next);
398 	global_set_key("M-[",		cmd_tab_move_to);
399 	global_set_key("M-]",		cmd_tab_move);
400 	global_set_key("M-l",		cmd_link_select);
401 	global_set_key("M-/",		cmd_swiper);
402 	global_set_key("t",		cmd_toc);
403 
404 	/* === minibuffer map === */
405 	minibuffer_set_key("ret",		cmd_mini_complete_and_exit);
406 	minibuffer_set_key("C-g",		cmd_mini_abort);
407 	minibuffer_set_key("esc",		cmd_mini_abort);
408 	minibuffer_set_key("C-d",		cmd_mini_delete_char);
409 	minibuffer_set_key("del",		cmd_mini_delete_backward_char);
410 	minibuffer_set_key("backspace",		cmd_mini_delete_backward_char);
411 	minibuffer_set_key("C-h",		cmd_mini_delete_backward_char);
412 
413 	minibuffer_set_key("C-b",		cmd_backward_char);
414 	minibuffer_set_key("C-f",		cmd_forward_char);
415 	minibuffer_set_key("<left>",		cmd_backward_char);
416 	minibuffer_set_key("<right>",		cmd_forward_char);
417 	minibuffer_set_key("C-e",		cmd_move_end_of_line);
418 	minibuffer_set_key("C-a",		cmd_move_beginning_of_line);
419 	minibuffer_set_key("<end>",		cmd_move_end_of_line);
420 	minibuffer_set_key("<home>",		cmd_move_beginning_of_line);
421 	minibuffer_set_key("C-k",		cmd_mini_kill_line);
422 
423 	minibuffer_set_key("M-p",		cmd_mini_previous_history_element);
424 	minibuffer_set_key("M-n",		cmd_mini_next_history_element);
425 
426 	minibuffer_set_key("C-p",		cmd_previous_completion);
427 	minibuffer_set_key("C-n",		cmd_next_completion);
428 	minibuffer_set_key("<up>",		cmd_previous_completion);
429 	minibuffer_set_key("<down>",		cmd_next_completion);
430 
431 	minibuffer_set_key("C-v",		cmd_mini_scroll_down);
432 	minibuffer_set_key("M-v",		cmd_mini_scroll_up);
433 	minibuffer_set_key("<next>",		cmd_mini_scroll_down);
434 	minibuffer_set_key("<prior>",		cmd_mini_scroll_up);
435 
436 	minibuffer_set_key("M-<",		cmd_mini_goto_beginning);
437 	minibuffer_set_key("M->",		cmd_mini_goto_end);
438 
439 	minibuffer_set_key("tab",		cmd_insert_current_candidate);
440 }
441 
442 void
443 config_init(void)
444 {
445 	struct line_face *f;
446 	size_t i, len;
447 
448 	len = sizeof(line_faces)/sizeof(line_faces[0]);
449 	for (i = 0; i < len; ++i) {
450 		f = &line_faces[i];
451 
452 		f->prfx_bg = f->bg = f->trail_bg = -1;
453 		f->prfx_fg = f->fg = f->trail_fg = -1;
454 	}
455 
456 	line_faces[LINE_LINK].fg = COLOR_BLUE;
457 	line_faces[LINE_PATCH_ADD].fg = COLOR_GREEN;
458 	line_faces[LINE_PATCH_DEL].fg = COLOR_RED;
459 
460 	load_default_keys();
461 }
462 
463 int
464 config_setprfx(const char *name, const char *prfx, const char *cont)
465 {
466 	struct lineprefix *p;
467 	struct mapping *m;
468 
469 	if (!has_prefix(name, "line."))
470 		return 0;
471 	name += 5;
472 
473 	if ((m = mapping_by_name(name)) == NULL)
474 		return 0;
475 
476 	p = &line_prefixes[m->linetype];
477 	p->prfx1 = prfx;
478 	p->prfx2 = cont;
479 
480 	return 1;
481 }
482 
483 int
484 config_setvari(const char *var, int val)
485 {
486 	if (!strcmp(var, "fill-column")) {
487 		if ((fill_column = val) <= 0)
488 			fill_column = INT_MAX;
489 	} else if (!strcmp(var, "olivetti-mode")) {
490 		olivetti_mode = !!val;
491 	} else if (!strcmp(var, "enable-colors")) {
492 		enable_colors = !!val;
493 	} else if (!strcmp(var, "hide-pre-context")) {
494 		hide_pre_context = !!val;
495 	} else if (!strcmp(var, "hide-pre-blocks")) {
496 		hide_pre_blocks = !!val;
497 	} else if (!strcmp(var, "hide-pre-closing-line")) {
498 		hide_pre_closing_line = !!val;
499 	} else if (!strcmp(var, "dont-wrap-pre")) {
500 		dont_wrap_pre = !!val;
501 	} else if (!strcmp(var, "emojify-link")) {
502 		emojify_link = !!val;
503 	} else if (!strcmp(var, "set-title")) {
504 		set_title = !!val;
505 	} else if (!strcmp(var, "autosave")) {
506 		autosave = val;
507 	} else if (!strcmp(var, "tab-bar-show")) {
508 		if (val < 0)
509 			tab_bar_show = -1;
510 		else if (val == 0)
511 			tab_bar_show = 0;
512 		else
513 			tab_bar_show = 1;
514 	} else {
515 		return 0;
516 	}
517 
518 	return 1;
519 }
520 
521 int
522 config_setvars(const char *var, char *val)
523 {
524 	if (!strcmp(var, "download-path")) {
525 		const char *prfx = "", *v = val, *sufx = "";
526 
527 		if (has_prefix(val, "~/") &&
528 		    v++ &&
529 		    (prfx = getenv("HOME")) == NULL)
530 			return 0;
531 
532 		if (!has_suffix(val, "/"))
533 			sufx = "/";
534 
535 		free(download_path);
536 		if (asprintf(&download_path, "%s%s%s", prfx, v, sufx) == -1) {
537 			download_path = NULL;
538 			return 0;
539 		}
540 
541 		free(val);
542 		return 1;
543 	} else if (!strcmp(var, "new-tab-url")) {
544 		free(new_tab_url);
545 		new_tab_url = val;
546 	} else
547 		return 0;
548 	return 1;
549 }
550 
551 int
552 config_setcolor(int bg, const char *name, int prfx, int line, int trail)
553 {
554 	struct mapping *m;
555 	struct line_face *f;
556 
557 	if (!strcmp(name, "tabline")) {
558 		if (bg)
559 			tab_face.bg_bg = prfx;
560 		else
561 			tab_face.bg_fg = prfx;
562 	} else if (has_prefix(name, "tabline.")) {
563 		name += 8;
564 
565 		if (!strcmp(name, "tab")) {
566 			if (bg)
567 				tab_face.t_bg = prfx;
568 			else
569 				tab_face.t_fg = prfx;
570 		} else if (!strcmp(name, "current")) {
571 			if (bg)
572 				tab_face.c_bg = prfx;
573 			else
574 				tab_face.c_fg = prfx;
575 		} else
576 			return 0;
577 	} else if (has_prefix(name, "line.")) {
578 		name += 5;
579 
580 		if ((m = mapping_by_name(name)) == NULL)
581 			return 0;
582 
583 		f = &line_faces[m->linetype];
584 
585 		if (bg) {
586 			f->prfx_bg = prfx;
587 			f->bg = line;
588 			f->trail_bg = trail;
589 		} else {
590 			f->prfx_fg = prfx;
591 			f->fg = line;
592 			f->trail_fg = trail;
593 		}
594 	} else if (!strcmp(name, "line")) {
595 		if (bg) {
596 			body_face.lbg = prfx;
597 			body_face.bg  = line;
598 			body_face.rbg = trail;
599 		} else {
600 			body_face.lfg = prfx;
601 			body_face.fg = line;
602 			body_face.rfg = trail;
603 		}
604 	} else if (!strcmp(name, "minibuffer")) {
605 		if (bg)
606 			minibuffer_face.bg = prfx;
607 		else
608 			minibuffer_face.fg = prfx;
609 	} else if (!strcmp(name, "modeline")) {
610 		if (bg)
611 			modeline_face.bg = prfx;
612 		else
613 			modeline_face.fg = prfx;
614 	} else {
615 		return 0;
616 	}
617 
618 	return 1;
619 }
620 
621 int
622 config_setattr(const char *name, int prfx, int line, int trail)
623 {
624 	struct mapping *m;
625 	struct line_face *f;
626 
627 	if (!strcmp(name, "tabline")) {
628 		tab_face.bg_attr = prfx;
629 	} else if (has_prefix(name, "tabline.")) {
630 		name += 8;
631 
632 		if (!strcmp(name, "tab"))
633 			tab_face.t_attr = prfx;
634 		else if (!strcmp(name, "current"))
635 			tab_face.c_attr = prfx;
636 		else
637 			return 0;
638 	} else if (has_prefix(name, "line.")) {
639 		name += 5;
640 
641 		if ((m = mapping_by_name(name)) == NULL)
642 			return 0;
643 
644 		f = &line_faces[m->linetype];
645 
646 		f->prfx_attr = prfx;
647 		f->attr = line;
648 		f->trail_attr = trail;
649 	} else if (!strcmp(name, "minibuffer")) {
650 		minibuffer_face.attr = prfx;
651 	} else if (!strcmp(name, "modeline")) {
652 		modeline_face.attr = prfx;
653 	} else {
654 		return 0;
655 	}
656 
657 	return 1;
658 }
659 
660 static inline void
661 tl_init_pair(int colors, int pair, int f, int b)
662 {
663 	if (f >= colors || !enable_colors)
664 		f = -1;
665 	if (b >= colors || !enable_colors)
666 		b = -1;
667 	init_pair(pair, f, b);
668 }
669 
670 void
671 config_apply_style(void)
672 {
673 	size_t i, colors, len;
674 	struct line_face *f;
675 
676 	colors = COLORS;
677 
678 	len = sizeof(line_faces)/sizeof(line_faces[0]);
679 	for (i = 0; i < len; ++i) {
680 		f = &line_faces[i];
681 
682 		tl_init_pair(colors, f->prfx_pair, f->prfx_fg, f->prfx_bg);
683 		f->prefix = COLOR_PAIR(f->prfx_pair) | f->prfx_attr;
684 
685 		tl_init_pair(colors, f->pair, f->fg, f->bg);
686 		f->text = COLOR_PAIR(f->pair) | f->attr;
687 
688 		tl_init_pair(colors, f->trail_pair, f->trail_fg, f->trail_bg);
689 		f->trail = COLOR_PAIR(f->trail_pair) | f->trail_attr;
690 	}
691 
692 	/* tab line */
693 	tl_init_pair(colors, PTL_BG, tab_face.bg_fg, tab_face.bg_bg);
694 	tab_face.background = COLOR_PAIR(PTL_BG) | tab_face.bg_attr;
695 
696 	tl_init_pair(colors, PTL_TAB, tab_face.t_fg, tab_face.t_bg);
697 	tab_face.tab = COLOR_PAIR(PTL_TAB) | tab_face.t_attr;
698 
699 	tl_init_pair(colors, PTL_CURR, tab_face.c_fg, tab_face.c_bg);
700 	tab_face.current = COLOR_PAIR(PTL_CURR) | tab_face.c_attr;
701 
702 	/* body */
703 	tl_init_pair(colors, PBODY, body_face.fg, body_face.bg);
704 	body_face.body = COLOR_PAIR(PBODY);
705 
706 	tl_init_pair(colors, PBLEFT, body_face.lfg, body_face.lbg);
707 	body_face.left = COLOR_PAIR(PBLEFT);
708 
709 	tl_init_pair(colors, PBRIGHT, body_face.rfg, body_face.rbg);
710 	body_face.right = COLOR_PAIR(PBRIGHT);
711 
712 	/* modeline */
713 	tl_init_pair(colors, PMODELINE, modeline_face.fg, modeline_face.bg);
714 	modeline_face.background = COLOR_PAIR(PMODELINE) | modeline_face.attr;
715 
716 	/* minibuffer */
717 	tl_init_pair(colors, PMINIBUF, minibuffer_face.fg, minibuffer_face.bg);
718 	minibuffer_face.background = COLOR_PAIR(PMINIBUF) | minibuffer_face.attr;
719 
720 }