1// SPDX-License-Identifier: GPL-2.0
2#include "../util/string2.h"
3#include "../util/config.h"
4#include "libslang.h"
5#include "ui.h"
6#include "util.h"
7#include <linux/compiler.h>
8#include <linux/list.h>
9#include <linux/rbtree.h>
10#include <linux/string.h>
11#include <stdlib.h>
12#include <sys/ttydefaults.h>
13#include "browser.h"
14#include "helpline.h"
15#include "keysyms.h"
16#include "../util/color.h"
17#include <linux/ctype.h>
18#include <linux/zalloc.h>
19
20static int ui_browser__percent_color(struct ui_browser *browser,
21 double percent, bool current)
22{
23 if (current && (!browser->use_navkeypressed || browser->navkeypressed))
24 return HE_COLORSET_SELECTED;
25 if (percent >= MIN_RED)
26 return HE_COLORSET_TOP;
27 if (percent >= MIN_GREEN)
28 return HE_COLORSET_MEDIUM;
29 return HE_COLORSET_NORMAL;
30}
31
32int ui_browser__set_color(struct ui_browser *browser, int color)
33{
34 int ret = browser->current_color;
35 browser->current_color = color;
36 SLsmg_set_color(color);
37 return ret;
38}
39
40void ui_browser__set_percent_color(struct ui_browser *browser,
41 double percent, bool current)
42{
43 int color = ui_browser__percent_color(browser, percent, current);
44 ui_browser__set_color(browser, color);
45}
46
47void ui_browser__gotorc_title(struct ui_browser *browser, int y, int x)
48{
49 SLsmg_gotorc(browser->y + y, browser->x + x);
50}
51
52void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
53{
54 SLsmg_gotorc(browser->y + y + browser->extra_title_lines, browser->x + x);
55}
56
57void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,
58 unsigned int width)
59{
60 SLsmg_write_nstring(msg, width);
61}
62
63void ui_browser__vprintf(struct ui_browser *browser __maybe_unused, const char *fmt, va_list args)
64{
65 SLsmg_vprintf(fmt, args);
66}
67
68void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
69{
70 va_list args;
71
72 va_start(args, fmt);
73 ui_browser__vprintf(browser, fmt: fmt, args);
74 va_end(args);
75}
76
77static struct list_head *
78ui_browser__list_head_filter_entries(struct ui_browser *browser,
79 struct list_head *pos)
80{
81 do {
82 if (!browser->filter || !browser->filter(browser, pos))
83 return pos;
84 pos = pos->next;
85 } while (pos != browser->entries);
86
87 return NULL;
88}
89
90static struct list_head *
91ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
92 struct list_head *pos)
93{
94 do {
95 if (!browser->filter || !browser->filter(browser, pos))
96 return pos;
97 pos = pos->prev;
98 } while (pos != browser->entries);
99
100 return NULL;
101}
102
103void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
104{
105 struct list_head *head = browser->entries;
106 struct list_head *pos;
107
108 if (browser->nr_entries == 0)
109 return;
110
111 switch (whence) {
112 case SEEK_SET:
113 pos = ui_browser__list_head_filter_entries(browser, pos: head->next);
114 break;
115 case SEEK_CUR:
116 pos = browser->top;
117 break;
118 case SEEK_END:
119 pos = ui_browser__list_head_filter_prev_entries(browser, pos: head->prev);
120 break;
121 default:
122 return;
123 }
124
125 assert(pos != NULL);
126
127 if (offset > 0) {
128 while (offset-- != 0)
129 pos = ui_browser__list_head_filter_entries(browser, pos: pos->next);
130 } else {
131 while (offset++ != 0)
132 pos = ui_browser__list_head_filter_prev_entries(browser, pos: pos->prev);
133 }
134
135 browser->top = pos;
136}
137
138void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
139{
140 struct rb_root *root = browser->entries;
141 struct rb_node *nd;
142
143 switch (whence) {
144 case SEEK_SET:
145 nd = rb_first(root);
146 break;
147 case SEEK_CUR:
148 nd = browser->top;
149 break;
150 case SEEK_END:
151 nd = rb_last(root);
152 break;
153 default:
154 return;
155 }
156
157 if (offset > 0) {
158 while (offset-- != 0)
159 nd = rb_next(nd);
160 } else {
161 while (offset++ != 0)
162 nd = rb_prev(nd);
163 }
164
165 browser->top = nd;
166}
167
168unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
169{
170 struct rb_node *nd;
171 int row = 0;
172
173 if (browser->top == NULL)
174 browser->top = rb_first(browser->entries);
175
176 nd = browser->top;
177
178 while (nd != NULL) {
179 ui_browser__gotorc(browser, y: row, x: 0);
180 browser->write(browser, nd, row);
181 if (++row == browser->rows)
182 break;
183 nd = rb_next(nd);
184 }
185
186 return row;
187}
188
189bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
190{
191 return browser->top_idx + row == browser->index;
192}
193
194void ui_browser__refresh_dimensions(struct ui_browser *browser)
195{
196 browser->width = SLtt_Screen_Cols - 1;
197 browser->height = browser->rows = SLtt_Screen_Rows - 2;
198 browser->rows -= browser->extra_title_lines;
199 browser->y = 1;
200 browser->x = 0;
201}
202
203void ui_browser__handle_resize(struct ui_browser *browser)
204{
205 ui__refresh_dimensions(false);
206 ui_browser__show(browser, title: browser->title ?: "", helpline: ui_helpline__current);
207 ui_browser__refresh(browser);
208}
209
210int ui_browser__warning(struct ui_browser *browser, int timeout,
211 const char *format, ...)
212{
213 va_list args;
214 char *text;
215 int key = 0, err;
216
217 va_start(args, format);
218 err = vasprintf(&text, format, args);
219 va_end(args);
220
221 if (err < 0) {
222 va_start(args, format);
223 ui_helpline__vpush(fmt: format, ap: args);
224 va_end(args);
225 } else {
226 while ((key = ui__question_window(title: "Warning!", text,
227 exit_msg: "Press any key...",
228 delay_secs: timeout)) == K_RESIZE)
229 ui_browser__handle_resize(browser);
230 free(ptr: text);
231 }
232
233 return key;
234}
235
236int ui_browser__warn_unhandled_hotkey(struct ui_browser *browser, int key, int timeout, const char *help)
237{
238 char kname[32];
239
240 key_name(key, bf: kname, size: sizeof(kname));
241 return ui_browser__warning(browser, timeout, format: "\n'%s' key not associated%s!\n", kname, help ?: "");
242}
243
244int ui_browser__help_window(struct ui_browser *browser, const char *text)
245{
246 int key;
247
248 while ((key = ui__help_window(text)) == K_RESIZE)
249 ui_browser__handle_resize(browser);
250
251 return key;
252}
253
254bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
255{
256 int key;
257
258 while ((key = ui__dialog_yesno(msg: text)) == K_RESIZE)
259 ui_browser__handle_resize(browser);
260
261 return key == K_ENTER || toupper(key) == 'Y';
262}
263
264void ui_browser__reset_index(struct ui_browser *browser)
265{
266 browser->index = browser->top_idx = 0;
267 browser->seek(browser, 0, SEEK_SET);
268}
269
270void __ui_browser__show_title(struct ui_browser *browser, const char *title)
271{
272 SLsmg_gotorc(0, 0);
273 ui_browser__set_color(browser, HE_COLORSET_ROOT);
274 ui_browser__write_nstring(browser, msg: title, width: browser->width + 1);
275}
276
277void ui_browser__show_title(struct ui_browser *browser, const char *title)
278{
279 mutex_lock(mtx: &ui__lock);
280 __ui_browser__show_title(browser, title);
281 mutex_unlock(mtx: &ui__lock);
282}
283
284int ui_browser__show(struct ui_browser *browser, const char *title,
285 const char *helpline, ...)
286{
287 int err;
288 va_list ap;
289
290 if (browser->refresh_dimensions == NULL)
291 browser->refresh_dimensions = ui_browser__refresh_dimensions;
292
293 browser->refresh_dimensions(browser);
294
295 mutex_lock(mtx: &ui__lock);
296 __ui_browser__show_title(browser, title);
297
298 free(ptr: browser->title);
299 browser->title = strdup(s: title);
300 zfree(&browser->helpline);
301
302 va_start(ap, helpline);
303 err = vasprintf(&browser->helpline, helpline, ap);
304 va_end(ap);
305 if (err > 0)
306 ui_helpline__push(msg: browser->helpline);
307 mutex_unlock(mtx: &ui__lock);
308 return err ? 0 : -1;
309}
310
311void ui_browser__hide(struct ui_browser *browser)
312{
313 mutex_lock(mtx: &ui__lock);
314 ui_helpline__pop();
315 zfree(&browser->helpline);
316 zfree(&browser->title);
317 mutex_unlock(mtx: &ui__lock);
318}
319
320static void ui_browser__scrollbar_set(struct ui_browser *browser)
321{
322 int height = browser->height, h = 0, pct = 0,
323 col = browser->width,
324 row = 0;
325
326 if (browser->nr_entries > 1) {
327 pct = ((browser->index * (browser->height - 1)) /
328 (browser->nr_entries - 1));
329 }
330
331 SLsmg_set_char_set(1);
332
333 while (h < height) {
334 ui_browser__gotorc(browser, y: row++, x: col);
335 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
336 ++h;
337 }
338
339 SLsmg_set_char_set(0);
340}
341
342static int __ui_browser__refresh(struct ui_browser *browser)
343{
344 int row;
345 int width = browser->width;
346
347 row = browser->refresh(browser);
348 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
349
350 if (!browser->use_navkeypressed || browser->navkeypressed)
351 ui_browser__scrollbar_set(browser);
352 else
353 width += 1;
354
355 SLsmg_fill_region(browser->y + row + browser->extra_title_lines, browser->x,
356 browser->rows - row, width, ' ');
357
358 if (browser->nr_entries == 0 && browser->no_samples_msg)
359 __ui__info_window(NULL, text: browser->no_samples_msg, NULL);
360 return 0;
361}
362
363int ui_browser__refresh(struct ui_browser *browser)
364{
365 mutex_lock(mtx: &ui__lock);
366 __ui_browser__refresh(browser);
367 mutex_unlock(mtx: &ui__lock);
368
369 return 0;
370}
371
372/*
373 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
374 * forget about any reference to any entry in the underlying data structure,
375 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
376 * after an output_resort and hist decay.
377 */
378void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
379{
380 off_t offset = nr_entries - browser->nr_entries;
381
382 browser->nr_entries = nr_entries;
383
384 if (offset < 0) {
385 if (browser->top_idx < (u64)-offset)
386 offset = -browser->top_idx;
387
388 browser->index += offset;
389 browser->top_idx += offset;
390 }
391
392 browser->top = NULL;
393 browser->seek(browser, browser->top_idx, SEEK_SET);
394}
395
396int ui_browser__run(struct ui_browser *browser, int delay_secs)
397{
398 int err, key;
399
400 while (1) {
401 off_t offset;
402
403 mutex_lock(mtx: &ui__lock);
404 err = __ui_browser__refresh(browser);
405 SLsmg_refresh();
406 mutex_unlock(mtx: &ui__lock);
407 if (err < 0)
408 break;
409
410 key = ui__getch(delay_secs);
411
412 if (key == K_RESIZE) {
413 ui__refresh_dimensions(false);
414 browser->refresh_dimensions(browser);
415 __ui_browser__show_title(browser, title: browser->title);
416 ui_helpline__puts(msg: browser->helpline);
417 continue;
418 }
419
420 if (browser->use_navkeypressed && !browser->navkeypressed) {
421 if (key == K_DOWN || key == K_UP ||
422 (browser->columns && (key == K_LEFT || key == K_RIGHT)) ||
423 key == K_PGDN || key == K_PGUP ||
424 key == K_HOME || key == K_END ||
425 key == ' ') {
426 browser->navkeypressed = true;
427 continue;
428 } else
429 return key;
430 }
431
432 switch (key) {
433 case K_DOWN:
434 if (browser->index == browser->nr_entries - 1)
435 break;
436 ++browser->index;
437 if (browser->index == browser->top_idx + browser->rows) {
438 ++browser->top_idx;
439 browser->seek(browser, +1, SEEK_CUR);
440 }
441 break;
442 case K_UP:
443 if (browser->index == 0)
444 break;
445 --browser->index;
446 if (browser->index < browser->top_idx) {
447 --browser->top_idx;
448 browser->seek(browser, -1, SEEK_CUR);
449 }
450 break;
451 case K_RIGHT:
452 if (!browser->columns)
453 goto out;
454 if (browser->horiz_scroll < browser->columns - 1)
455 ++browser->horiz_scroll;
456 break;
457 case K_LEFT:
458 if (!browser->columns)
459 goto out;
460 if (browser->horiz_scroll != 0)
461 --browser->horiz_scroll;
462 else
463 goto out;
464 break;
465 case K_PGDN:
466 case ' ':
467 if (browser->top_idx + browser->rows > browser->nr_entries - 1)
468 break;
469
470 offset = browser->rows;
471 if (browser->index + offset > browser->nr_entries - 1)
472 offset = browser->nr_entries - 1 - browser->index;
473 browser->index += offset;
474 browser->top_idx += offset;
475 browser->seek(browser, +offset, SEEK_CUR);
476 break;
477 case K_PGUP:
478 if (browser->top_idx == 0)
479 break;
480
481 if (browser->top_idx < browser->rows)
482 offset = browser->top_idx;
483 else
484 offset = browser->rows;
485
486 browser->index -= offset;
487 browser->top_idx -= offset;
488 browser->seek(browser, -offset, SEEK_CUR);
489 break;
490 case K_HOME:
491 ui_browser__reset_index(browser);
492 break;
493 case K_END:
494 offset = browser->rows - 1;
495 if (offset >= browser->nr_entries)
496 offset = browser->nr_entries - 1;
497
498 browser->index = browser->nr_entries - 1;
499 browser->top_idx = browser->index - offset;
500 browser->seek(browser, -offset, SEEK_END);
501 break;
502 default:
503 out:
504 return key;
505 }
506 }
507 return -1;
508}
509
510unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
511{
512 struct list_head *pos;
513 struct list_head *head = browser->entries;
514 int row = 0;
515
516 if (browser->top == NULL || browser->top == browser->entries)
517 browser->top = ui_browser__list_head_filter_entries(browser, pos: head->next);
518
519 pos = browser->top;
520
521 list_for_each_from(pos, head) {
522 if (!browser->filter || !browser->filter(browser, pos)) {
523 ui_browser__gotorc(browser, y: row, x: 0);
524 browser->write(browser, pos, row);
525 if (++row == browser->rows)
526 break;
527 }
528 }
529
530 return row;
531}
532
533static struct ui_browser_colorset {
534 const char *name, *fg, *bg;
535 int colorset;
536} ui_browser__colorsets[] = {
537 {
538 .colorset = HE_COLORSET_TOP,
539 .name = "top",
540 .fg = "red",
541 .bg = "default",
542 },
543 {
544 .colorset = HE_COLORSET_MEDIUM,
545 .name = "medium",
546 .fg = "green",
547 .bg = "default",
548 },
549 {
550 .colorset = HE_COLORSET_NORMAL,
551 .name = "normal",
552 .fg = "default",
553 .bg = "default",
554 },
555 {
556 .colorset = HE_COLORSET_SELECTED,
557 .name = "selected",
558 .fg = "black",
559 .bg = "yellow",
560 },
561 {
562 .colorset = HE_COLORSET_JUMP_ARROWS,
563 .name = "jump_arrows",
564 .fg = "blue",
565 .bg = "default",
566 },
567 {
568 .colorset = HE_COLORSET_ADDR,
569 .name = "addr",
570 .fg = "magenta",
571 .bg = "default",
572 },
573 {
574 .colorset = HE_COLORSET_ROOT,
575 .name = "root",
576 .fg = "white",
577 .bg = "blue",
578 },
579 {
580 .name = NULL,
581 }
582};
583
584
585static int ui_browser__color_config(const char *var, const char *value,
586 void *data __maybe_unused)
587{
588 char *fg = NULL, *bg;
589 int i;
590
591 /* same dir for all commands */
592 if (!strstarts(var, "colors.") != 0)
593 return 0;
594
595 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
596 const char *name = var + 7;
597
598 if (strcmp(s1: ui_browser__colorsets[i].name, s2: name) != 0)
599 continue;
600
601 fg = strdup(s: value);
602 if (fg == NULL)
603 break;
604
605 bg = strchr(s: fg, c: ',');
606 if (bg == NULL)
607 break;
608
609 *bg = '\0';
610 bg = skip_spaces(bg + 1);
611 ui_browser__colorsets[i].bg = bg;
612 ui_browser__colorsets[i].fg = fg;
613 return 0;
614 }
615
616 free(ptr: fg);
617 return -1;
618}
619
620void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
621{
622 switch (whence) {
623 case SEEK_SET:
624 browser->top = browser->entries;
625 break;
626 case SEEK_CUR:
627 browser->top = (char **)browser->top + offset;
628 break;
629 case SEEK_END:
630 browser->top = (char **)browser->entries + browser->nr_entries - 1 + offset;
631 break;
632 default:
633 return;
634 }
635 assert((char **)browser->top < (char **)browser->entries + browser->nr_entries);
636 assert((char **)browser->top >= (char **)browser->entries);
637}
638
639unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
640{
641 unsigned int row = 0, idx = browser->top_idx;
642 char **pos;
643
644 if (browser->top == NULL)
645 browser->top = browser->entries;
646
647 pos = (char **)browser->top;
648 while (idx < browser->nr_entries &&
649 row < (unsigned)SLtt_Screen_Rows - 1) {
650 assert(pos < (char **)browser->entries + browser->nr_entries);
651 if (!browser->filter || !browser->filter(browser, *pos)) {
652 ui_browser__gotorc(browser, y: row, x: 0);
653 browser->write(browser, pos, row);
654 if (++row == browser->rows)
655 break;
656 }
657
658 ++idx;
659 ++pos;
660 }
661
662 return row;
663}
664
665void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
666 u16 start, u16 end)
667{
668 SLsmg_set_char_set(1);
669 ui_browser__gotorc(browser, y: start, x: column);
670 SLsmg_draw_vline(end - start + 1);
671 SLsmg_set_char_set(0);
672}
673
674void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
675 int graph)
676{
677 SLsmg_set_char_set(1);
678 SLsmg_write_char(graph);
679 SLsmg_set_char_set(0);
680}
681
682static void __ui_browser__line_arrow_up(struct ui_browser *browser,
683 unsigned int column,
684 u64 start, u64 end)
685{
686 unsigned int row, end_row;
687
688 SLsmg_set_char_set(1);
689
690 if (start < browser->top_idx + browser->rows) {
691 row = start - browser->top_idx;
692 ui_browser__gotorc(browser, y: row, x: column);
693 SLsmg_write_char(SLSMG_LLCORN_CHAR);
694 ui_browser__gotorc(browser, y: row, x: column + 1);
695 SLsmg_draw_hline(2);
696
697 if (row-- == 0)
698 goto out;
699 } else
700 row = browser->rows - 1;
701
702 if (end > browser->top_idx)
703 end_row = end - browser->top_idx;
704 else
705 end_row = 0;
706
707 ui_browser__gotorc(browser, y: end_row, x: column);
708 SLsmg_draw_vline(row - end_row + 1);
709
710 ui_browser__gotorc(browser, y: end_row, x: column);
711 if (end >= browser->top_idx) {
712 SLsmg_write_char(SLSMG_ULCORN_CHAR);
713 ui_browser__gotorc(browser, y: end_row, x: column + 1);
714 SLsmg_write_char(SLSMG_HLINE_CHAR);
715 ui_browser__gotorc(browser, y: end_row, x: column + 2);
716 SLsmg_write_char(SLSMG_RARROW_CHAR);
717 }
718out:
719 SLsmg_set_char_set(0);
720}
721
722static void __ui_browser__line_arrow_down(struct ui_browser *browser,
723 unsigned int column,
724 u64 start, u64 end)
725{
726 unsigned int row, end_row;
727
728 SLsmg_set_char_set(1);
729
730 if (start >= browser->top_idx) {
731 row = start - browser->top_idx;
732 ui_browser__gotorc(browser, y: row, x: column);
733 SLsmg_write_char(SLSMG_ULCORN_CHAR);
734 ui_browser__gotorc(browser, y: row, x: column + 1);
735 SLsmg_draw_hline(2);
736
737 if (++row == 0)
738 goto out;
739 } else
740 row = 0;
741
742 if (end >= browser->top_idx + browser->rows)
743 end_row = browser->rows - 1;
744 else
745 end_row = end - browser->top_idx;
746
747 ui_browser__gotorc(browser, y: row, x: column);
748 SLsmg_draw_vline(end_row - row + 1);
749
750 ui_browser__gotorc(browser, y: end_row, x: column);
751 if (end < browser->top_idx + browser->rows) {
752 SLsmg_write_char(SLSMG_LLCORN_CHAR);
753 ui_browser__gotorc(browser, y: end_row, x: column + 1);
754 SLsmg_write_char(SLSMG_HLINE_CHAR);
755 ui_browser__gotorc(browser, y: end_row, x: column + 2);
756 SLsmg_write_char(SLSMG_RARROW_CHAR);
757 }
758out:
759 SLsmg_set_char_set(0);
760}
761
762void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
763 u64 start, u64 end)
764{
765 if (start > end)
766 __ui_browser__line_arrow_up(browser, column, start, end);
767 else
768 __ui_browser__line_arrow_down(browser, column, start, end);
769}
770
771void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column,
772 unsigned int row, int diff, bool arrow_down)
773{
774 int end_row;
775
776 if (diff <= 0)
777 return;
778
779 SLsmg_set_char_set(1);
780
781 if (arrow_down) {
782 if (row + diff <= browser->top_idx)
783 return;
784
785 end_row = row + diff - browser->top_idx;
786 ui_browser__gotorc(browser, y: end_row, x: column - 1);
787 SLsmg_write_char(SLSMG_LTEE_CHAR);
788
789 while (--end_row >= 0 && end_row > (int)(row - browser->top_idx)) {
790 ui_browser__gotorc(browser, y: end_row, x: column - 1);
791 SLsmg_draw_vline(1);
792 }
793
794 end_row = (int)(row - browser->top_idx);
795 if (end_row >= 0) {
796 ui_browser__gotorc(browser, y: end_row, x: column - 1);
797 SLsmg_write_char(SLSMG_ULCORN_CHAR);
798 ui_browser__gotorc(browser, y: end_row, x: column);
799 SLsmg_draw_hline(2);
800 }
801 } else {
802 if (row < browser->top_idx)
803 return;
804
805 end_row = row - browser->top_idx;
806 ui_browser__gotorc(browser, y: end_row, x: column - 1);
807 SLsmg_write_char(SLSMG_LTEE_CHAR);
808 ui_browser__gotorc(browser, y: end_row, x: column);
809 SLsmg_draw_hline(2);
810 }
811
812 SLsmg_set_char_set(0);
813}
814
815void ui_browser__init(void)
816{
817 int i = 0;
818
819 perf_config(fn: ui_browser__color_config, NULL);
820
821 while (ui_browser__colorsets[i].name) {
822 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
823 SLtt_set_color(c->colorset, c->name, c->fg, c->bg);
824 }
825}
826

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source code of linux/tools/perf/ui/browser.c