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