2 #include "../string2.h"
4 #include "../../perf.h"
8 #include <linux/compiler.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
11 #include <linux/string.h>
13 #include <sys/ttydefaults.h>
18 #include "sane_ctype.h"
20 static int ui_browser__percent_color(struct ui_browser *browser,
21 double percent, bool current)
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;
32 int ui_browser__set_color(struct ui_browser *browser, int color)
34 int ret = browser->current_color;
35 browser->current_color = color;
36 SLsmg_set_color(color);
40 void ui_browser__set_percent_color(struct ui_browser *browser,
41 double percent, bool current)
43 int color = ui_browser__percent_color(browser, percent, current);
44 ui_browser__set_color(browser, color);
47 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
49 SLsmg_gotorc(browser->y + y, browser->x + x);
52 void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,
55 slsmg_write_nstring(msg, width);
58 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
63 slsmg_vprintf(fmt, args);
67 static struct list_head *
68 ui_browser__list_head_filter_entries(struct ui_browser *browser,
69 struct list_head *pos)
72 if (!browser->filter || !browser->filter(browser, pos))
75 } while (pos != browser->entries);
80 static struct list_head *
81 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
82 struct list_head *pos)
85 if (!browser->filter || !browser->filter(browser, pos))
88 } while (pos != browser->entries);
93 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
95 struct list_head *head = browser->entries;
96 struct list_head *pos;
98 if (browser->nr_entries == 0)
103 pos = ui_browser__list_head_filter_entries(browser, head->next);
109 pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
118 while (offset-- != 0)
119 pos = ui_browser__list_head_filter_entries(browser, pos->next);
121 while (offset++ != 0)
122 pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
128 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
130 struct rb_root *root = browser->entries;
148 while (offset-- != 0)
151 while (offset++ != 0)
158 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
163 if (browser->top == NULL)
164 browser->top = rb_first(browser->entries);
169 ui_browser__gotorc(browser, row, 0);
170 browser->write(browser, nd, row);
171 if (++row == browser->rows)
179 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
181 return browser->top_idx + row == browser->index;
184 void ui_browser__refresh_dimensions(struct ui_browser *browser)
186 browser->width = SLtt_Screen_Cols - 1;
187 browser->height = browser->rows = SLtt_Screen_Rows - 2;
192 void ui_browser__handle_resize(struct ui_browser *browser)
194 ui__refresh_dimensions(false);
195 ui_browser__show(browser, browser->title, ui_helpline__current);
196 ui_browser__refresh(browser);
199 int ui_browser__warning(struct ui_browser *browser, int timeout,
200 const char *format, ...)
206 va_start(args, format);
207 err = vasprintf(&text, format, args);
211 va_start(args, format);
212 ui_helpline__vpush(format, args);
215 while ((key = ui__question_window("Warning!", text,
217 timeout)) == K_RESIZE)
218 ui_browser__handle_resize(browser);
225 int ui_browser__help_window(struct ui_browser *browser, const char *text)
229 while ((key = ui__help_window(text)) == K_RESIZE)
230 ui_browser__handle_resize(browser);
235 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
239 while ((key = ui__dialog_yesno(text)) == K_RESIZE)
240 ui_browser__handle_resize(browser);
242 return key == K_ENTER || toupper(key) == 'Y';
245 void ui_browser__reset_index(struct ui_browser *browser)
247 browser->index = browser->top_idx = 0;
248 browser->seek(browser, 0, SEEK_SET);
251 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
254 ui_browser__set_color(browser, HE_COLORSET_ROOT);
255 ui_browser__write_nstring(browser, title, browser->width + 1);
258 void ui_browser__show_title(struct ui_browser *browser, const char *title)
260 pthread_mutex_lock(&ui__lock);
261 __ui_browser__show_title(browser, title);
262 pthread_mutex_unlock(&ui__lock);
265 int ui_browser__show(struct ui_browser *browser, const char *title,
266 const char *helpline, ...)
271 if (browser->refresh_dimensions == NULL)
272 browser->refresh_dimensions = ui_browser__refresh_dimensions;
274 browser->refresh_dimensions(browser);
276 pthread_mutex_lock(&ui__lock);
277 __ui_browser__show_title(browser, title);
279 browser->title = title;
280 zfree(&browser->helpline);
282 va_start(ap, helpline);
283 err = vasprintf(&browser->helpline, helpline, ap);
286 ui_helpline__push(browser->helpline);
287 pthread_mutex_unlock(&ui__lock);
291 void ui_browser__hide(struct ui_browser *browser)
293 pthread_mutex_lock(&ui__lock);
295 zfree(&browser->helpline);
296 pthread_mutex_unlock(&ui__lock);
299 static void ui_browser__scrollbar_set(struct ui_browser *browser)
301 int height = browser->height, h = 0, pct = 0,
302 col = browser->width,
305 if (browser->nr_entries > 1) {
306 pct = ((browser->index * (browser->height - 1)) /
307 (browser->nr_entries - 1));
310 SLsmg_set_char_set(1);
313 ui_browser__gotorc(browser, row++, col);
314 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
318 SLsmg_set_char_set(0);
321 static int __ui_browser__refresh(struct ui_browser *browser)
324 int width = browser->width;
326 row = browser->refresh(browser);
327 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
329 if (!browser->use_navkeypressed || browser->navkeypressed)
330 ui_browser__scrollbar_set(browser);
334 SLsmg_fill_region(browser->y + row, browser->x,
335 browser->height - row, width, ' ');
340 int ui_browser__refresh(struct ui_browser *browser)
342 pthread_mutex_lock(&ui__lock);
343 __ui_browser__refresh(browser);
344 pthread_mutex_unlock(&ui__lock);
350 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
351 * forget about any reference to any entry in the underlying data structure,
352 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
353 * after an output_resort and hist decay.
355 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
357 off_t offset = nr_entries - browser->nr_entries;
359 browser->nr_entries = nr_entries;
362 if (browser->top_idx < (u64)-offset)
363 offset = -browser->top_idx;
365 browser->index += offset;
366 browser->top_idx += offset;
370 browser->seek(browser, browser->top_idx, SEEK_SET);
373 int ui_browser__run(struct ui_browser *browser, int delay_secs)
380 pthread_mutex_lock(&ui__lock);
381 err = __ui_browser__refresh(browser);
383 pthread_mutex_unlock(&ui__lock);
387 key = ui__getch(delay_secs);
389 if (key == K_RESIZE) {
390 ui__refresh_dimensions(false);
391 browser->refresh_dimensions(browser);
392 __ui_browser__show_title(browser, browser->title);
393 ui_helpline__puts(browser->helpline);
397 if (browser->use_navkeypressed && !browser->navkeypressed) {
398 if (key == K_DOWN || key == K_UP ||
399 (browser->columns && (key == K_LEFT || key == K_RIGHT)) ||
400 key == K_PGDN || key == K_PGUP ||
401 key == K_HOME || key == K_END ||
403 browser->navkeypressed = true;
411 if (browser->index == browser->nr_entries - 1)
414 if (browser->index == browser->top_idx + browser->rows) {
416 browser->seek(browser, +1, SEEK_CUR);
420 if (browser->index == 0)
423 if (browser->index < browser->top_idx) {
425 browser->seek(browser, -1, SEEK_CUR);
429 if (!browser->columns)
431 if (browser->horiz_scroll < browser->columns - 1)
432 ++browser->horiz_scroll;
435 if (!browser->columns)
437 if (browser->horiz_scroll != 0)
438 --browser->horiz_scroll;
442 if (browser->top_idx + browser->rows > browser->nr_entries - 1)
445 offset = browser->rows;
446 if (browser->index + offset > browser->nr_entries - 1)
447 offset = browser->nr_entries - 1 - browser->index;
448 browser->index += offset;
449 browser->top_idx += offset;
450 browser->seek(browser, +offset, SEEK_CUR);
453 if (browser->top_idx == 0)
456 if (browser->top_idx < browser->rows)
457 offset = browser->top_idx;
459 offset = browser->rows;
461 browser->index -= offset;
462 browser->top_idx -= offset;
463 browser->seek(browser, -offset, SEEK_CUR);
466 ui_browser__reset_index(browser);
469 offset = browser->rows - 1;
470 if (offset >= browser->nr_entries)
471 offset = browser->nr_entries - 1;
473 browser->index = browser->nr_entries - 1;
474 browser->top_idx = browser->index - offset;
475 browser->seek(browser, -offset, SEEK_END);
485 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
487 struct list_head *pos;
488 struct list_head *head = browser->entries;
491 if (browser->top == NULL || browser->top == browser->entries)
492 browser->top = ui_browser__list_head_filter_entries(browser, head->next);
496 list_for_each_from(pos, head) {
497 if (!browser->filter || !browser->filter(browser, pos)) {
498 ui_browser__gotorc(browser, row, 0);
499 browser->write(browser, pos, row);
500 if (++row == browser->rows)
508 static struct ui_browser_colorset {
509 const char *name, *fg, *bg;
511 } ui_browser__colorsets[] = {
513 .colorset = HE_COLORSET_TOP,
519 .colorset = HE_COLORSET_MEDIUM,
525 .colorset = HE_COLORSET_NORMAL,
531 .colorset = HE_COLORSET_SELECTED,
537 .colorset = HE_COLORSET_JUMP_ARROWS,
538 .name = "jump_arrows",
543 .colorset = HE_COLORSET_ADDR,
549 .colorset = HE_COLORSET_ROOT,
560 static int ui_browser__color_config(const char *var, const char *value,
561 void *data __maybe_unused)
563 char *fg = NULL, *bg;
566 /* same dir for all commands */
567 if (!strstarts(var, "colors.") != 0)
570 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
571 const char *name = var + 7;
573 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
580 bg = strchr(fg, ',');
586 ui_browser__colorsets[i].bg = bg;
587 ui_browser__colorsets[i].fg = fg;
595 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
599 browser->top = browser->entries;
602 browser->top = browser->top + browser->top_idx + offset;
605 browser->top = browser->top + browser->nr_entries - 1 + offset;
612 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
614 unsigned int row = 0, idx = browser->top_idx;
617 if (browser->top == NULL)
618 browser->top = browser->entries;
620 pos = (char **)browser->top;
621 while (idx < browser->nr_entries) {
622 if (!browser->filter || !browser->filter(browser, *pos)) {
623 ui_browser__gotorc(browser, row, 0);
624 browser->write(browser, pos, row);
625 if (++row == browser->rows)
636 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
639 SLsmg_set_char_set(1);
640 ui_browser__gotorc(browser, start, column);
641 SLsmg_draw_vline(end - start + 1);
642 SLsmg_set_char_set(0);
645 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
648 SLsmg_set_char_set(1);
649 SLsmg_write_char(graph);
650 SLsmg_set_char_set(0);
653 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
657 unsigned int row, end_row;
659 SLsmg_set_char_set(1);
661 if (start < browser->top_idx + browser->rows) {
662 row = start - browser->top_idx;
663 ui_browser__gotorc(browser, row, column);
664 SLsmg_write_char(SLSMG_LLCORN_CHAR);
665 ui_browser__gotorc(browser, row, column + 1);
671 row = browser->rows - 1;
673 if (end > browser->top_idx)
674 end_row = end - browser->top_idx;
678 ui_browser__gotorc(browser, end_row, column);
679 SLsmg_draw_vline(row - end_row + 1);
681 ui_browser__gotorc(browser, end_row, column);
682 if (end >= browser->top_idx) {
683 SLsmg_write_char(SLSMG_ULCORN_CHAR);
684 ui_browser__gotorc(browser, end_row, column + 1);
685 SLsmg_write_char(SLSMG_HLINE_CHAR);
686 ui_browser__gotorc(browser, end_row, column + 2);
687 SLsmg_write_char(SLSMG_RARROW_CHAR);
690 SLsmg_set_char_set(0);
693 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
697 unsigned int row, end_row;
699 SLsmg_set_char_set(1);
701 if (start >= browser->top_idx) {
702 row = start - browser->top_idx;
703 ui_browser__gotorc(browser, row, column);
704 SLsmg_write_char(SLSMG_ULCORN_CHAR);
705 ui_browser__gotorc(browser, row, column + 1);
713 if (end >= browser->top_idx + browser->rows)
714 end_row = browser->rows - 1;
716 end_row = end - browser->top_idx;
718 ui_browser__gotorc(browser, row, column);
719 SLsmg_draw_vline(end_row - row + 1);
721 ui_browser__gotorc(browser, end_row, column);
722 if (end < browser->top_idx + browser->rows) {
723 SLsmg_write_char(SLSMG_LLCORN_CHAR);
724 ui_browser__gotorc(browser, end_row, column + 1);
725 SLsmg_write_char(SLSMG_HLINE_CHAR);
726 ui_browser__gotorc(browser, end_row, column + 2);
727 SLsmg_write_char(SLSMG_RARROW_CHAR);
730 SLsmg_set_char_set(0);
733 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
737 __ui_browser__line_arrow_up(browser, column, start, end);
739 __ui_browser__line_arrow_down(browser, column, start, end);
742 void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column,
743 unsigned int row, bool arrow_down)
745 unsigned int end_row;
747 if (row >= browser->top_idx)
748 end_row = row - browser->top_idx;
752 SLsmg_set_char_set(1);
755 ui_browser__gotorc(browser, end_row, column - 1);
756 SLsmg_write_char(SLSMG_ULCORN_CHAR);
757 ui_browser__gotorc(browser, end_row, column);
759 ui_browser__gotorc(browser, end_row + 1, column - 1);
760 SLsmg_write_char(SLSMG_LTEE_CHAR);
762 ui_browser__gotorc(browser, end_row, column - 1);
763 SLsmg_write_char(SLSMG_LTEE_CHAR);
764 ui_browser__gotorc(browser, end_row, column);
768 SLsmg_set_char_set(0);
771 void ui_browser__init(void)
775 perf_config(ui_browser__color_config, NULL);
777 while (ui_browser__colorsets[i].name) {
778 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
779 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
782 annotate_browser__init();