3 #include "../../perf.h"
7 #include <linux/compiler.h>
8 #include <linux/list.h>
9 #include <linux/rbtree.h>
11 #include <sys/ttydefaults.h>
17 static int ui_browser__percent_color(struct ui_browser *browser,
18 double percent, bool current)
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;
29 int ui_browser__set_color(struct ui_browser *browser, int color)
31 int ret = browser->current_color;
32 browser->current_color = color;
33 SLsmg_set_color(color);
37 void ui_browser__set_percent_color(struct ui_browser *browser,
38 double percent, bool current)
40 int color = ui_browser__percent_color(browser, percent, current);
41 ui_browser__set_color(browser, color);
44 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
46 SLsmg_gotorc(browser->y + y, browser->x + x);
49 void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,
52 slsmg_write_nstring(msg, width);
55 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
60 slsmg_vprintf(fmt, args);
64 static struct list_head *
65 ui_browser__list_head_filter_entries(struct ui_browser *browser,
66 struct list_head *pos)
69 if (!browser->filter || !browser->filter(browser, pos))
72 } while (pos != browser->entries);
77 static struct list_head *
78 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
79 struct list_head *pos)
82 if (!browser->filter || !browser->filter(browser, pos))
85 } while (pos != browser->entries);
90 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
92 struct list_head *head = browser->entries;
93 struct list_head *pos;
95 if (browser->nr_entries == 0)
100 pos = ui_browser__list_head_filter_entries(browser, head->next);
106 pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
115 while (offset-- != 0)
116 pos = ui_browser__list_head_filter_entries(browser, pos->next);
118 while (offset++ != 0)
119 pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
125 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
127 struct rb_root *root = browser->entries;
145 while (offset-- != 0)
148 while (offset++ != 0)
155 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
160 if (browser->top == NULL)
161 browser->top = rb_first(browser->entries);
166 ui_browser__gotorc(browser, row, 0);
167 browser->write(browser, nd, row);
168 if (++row == browser->rows)
176 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
178 return browser->top_idx + row == browser->index;
181 void ui_browser__refresh_dimensions(struct ui_browser *browser)
183 browser->width = SLtt_Screen_Cols - 1;
184 browser->height = browser->rows = SLtt_Screen_Rows - 2;
189 void ui_browser__handle_resize(struct ui_browser *browser)
191 ui__refresh_dimensions(false);
192 ui_browser__show(browser, browser->title, ui_helpline__current);
193 ui_browser__refresh(browser);
196 int ui_browser__warning(struct ui_browser *browser, int timeout,
197 const char *format, ...)
203 va_start(args, format);
204 err = vasprintf(&text, format, args);
208 va_start(args, format);
209 ui_helpline__vpush(format, args);
212 while ((key = ui__question_window("Warning!", text,
214 timeout)) == K_RESIZE)
215 ui_browser__handle_resize(browser);
222 int ui_browser__help_window(struct ui_browser *browser, const char *text)
226 while ((key = ui__help_window(text)) == K_RESIZE)
227 ui_browser__handle_resize(browser);
232 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
236 while ((key = ui__dialog_yesno(text)) == K_RESIZE)
237 ui_browser__handle_resize(browser);
239 return key == K_ENTER || toupper(key) == 'Y';
242 void ui_browser__reset_index(struct ui_browser *browser)
244 browser->index = browser->top_idx = 0;
245 browser->seek(browser, 0, SEEK_SET);
248 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
251 ui_browser__set_color(browser, HE_COLORSET_ROOT);
252 ui_browser__write_nstring(browser, title, browser->width + 1);
255 void ui_browser__show_title(struct ui_browser *browser, const char *title)
257 pthread_mutex_lock(&ui__lock);
258 __ui_browser__show_title(browser, title);
259 pthread_mutex_unlock(&ui__lock);
262 int ui_browser__show(struct ui_browser *browser, const char *title,
263 const char *helpline, ...)
268 if (browser->refresh_dimensions == NULL)
269 browser->refresh_dimensions = ui_browser__refresh_dimensions;
271 browser->refresh_dimensions(browser);
273 pthread_mutex_lock(&ui__lock);
274 __ui_browser__show_title(browser, title);
276 browser->title = title;
277 zfree(&browser->helpline);
279 va_start(ap, helpline);
280 err = vasprintf(&browser->helpline, helpline, ap);
283 ui_helpline__push(browser->helpline);
284 pthread_mutex_unlock(&ui__lock);
288 void ui_browser__hide(struct ui_browser *browser)
290 pthread_mutex_lock(&ui__lock);
292 zfree(&browser->helpline);
293 pthread_mutex_unlock(&ui__lock);
296 static void ui_browser__scrollbar_set(struct ui_browser *browser)
298 int height = browser->height, h = 0, pct = 0,
299 col = browser->width,
302 if (browser->nr_entries > 1) {
303 pct = ((browser->index * (browser->height - 1)) /
304 (browser->nr_entries - 1));
307 SLsmg_set_char_set(1);
310 ui_browser__gotorc(browser, row++, col);
311 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
315 SLsmg_set_char_set(0);
318 static int __ui_browser__refresh(struct ui_browser *browser)
321 int width = browser->width;
323 row = browser->refresh(browser);
324 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
326 if (!browser->use_navkeypressed || browser->navkeypressed)
327 ui_browser__scrollbar_set(browser);
331 SLsmg_fill_region(browser->y + row, browser->x,
332 browser->height - row, width, ' ');
337 int ui_browser__refresh(struct ui_browser *browser)
339 pthread_mutex_lock(&ui__lock);
340 __ui_browser__refresh(browser);
341 pthread_mutex_unlock(&ui__lock);
347 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
348 * forget about any reference to any entry in the underlying data structure,
349 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
350 * after an output_resort and hist decay.
352 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
354 off_t offset = nr_entries - browser->nr_entries;
356 browser->nr_entries = nr_entries;
359 if (browser->top_idx < (u64)-offset)
360 offset = -browser->top_idx;
362 browser->index += offset;
363 browser->top_idx += offset;
367 browser->seek(browser, browser->top_idx, SEEK_SET);
370 int ui_browser__run(struct ui_browser *browser, int delay_secs)
377 pthread_mutex_lock(&ui__lock);
378 err = __ui_browser__refresh(browser);
380 pthread_mutex_unlock(&ui__lock);
384 key = ui__getch(delay_secs);
386 if (key == K_RESIZE) {
387 ui__refresh_dimensions(false);
388 browser->refresh_dimensions(browser);
389 __ui_browser__show_title(browser, browser->title);
390 ui_helpline__puts(browser->helpline);
394 if (browser->use_navkeypressed && !browser->navkeypressed) {
395 if (key == K_DOWN || key == K_UP ||
396 key == K_PGDN || key == K_PGUP ||
397 key == K_HOME || key == K_END ||
399 browser->navkeypressed = true;
407 if (browser->index == browser->nr_entries - 1)
410 if (browser->index == browser->top_idx + browser->rows) {
412 browser->seek(browser, +1, SEEK_CUR);
416 if (browser->index == 0)
419 if (browser->index < browser->top_idx) {
421 browser->seek(browser, -1, SEEK_CUR);
426 if (browser->top_idx + browser->rows > browser->nr_entries - 1)
429 offset = browser->rows;
430 if (browser->index + offset > browser->nr_entries - 1)
431 offset = browser->nr_entries - 1 - browser->index;
432 browser->index += offset;
433 browser->top_idx += offset;
434 browser->seek(browser, +offset, SEEK_CUR);
437 if (browser->top_idx == 0)
440 if (browser->top_idx < browser->rows)
441 offset = browser->top_idx;
443 offset = browser->rows;
445 browser->index -= offset;
446 browser->top_idx -= offset;
447 browser->seek(browser, -offset, SEEK_CUR);
450 ui_browser__reset_index(browser);
453 offset = browser->rows - 1;
454 if (offset >= browser->nr_entries)
455 offset = browser->nr_entries - 1;
457 browser->index = browser->nr_entries - 1;
458 browser->top_idx = browser->index - offset;
459 browser->seek(browser, -offset, SEEK_END);
468 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
470 struct list_head *pos;
471 struct list_head *head = browser->entries;
474 if (browser->top == NULL || browser->top == browser->entries)
475 browser->top = ui_browser__list_head_filter_entries(browser, head->next);
479 list_for_each_from(pos, head) {
480 if (!browser->filter || !browser->filter(browser, pos)) {
481 ui_browser__gotorc(browser, row, 0);
482 browser->write(browser, pos, row);
483 if (++row == browser->rows)
491 static struct ui_browser_colorset {
492 const char *name, *fg, *bg;
494 } ui_browser__colorsets[] = {
496 .colorset = HE_COLORSET_TOP,
502 .colorset = HE_COLORSET_MEDIUM,
508 .colorset = HE_COLORSET_NORMAL,
514 .colorset = HE_COLORSET_SELECTED,
520 .colorset = HE_COLORSET_CODE,
526 .colorset = HE_COLORSET_ADDR,
532 .colorset = HE_COLORSET_ROOT,
543 static int ui_browser__color_config(const char *var, const char *value,
544 void *data __maybe_unused)
546 char *fg = NULL, *bg;
549 /* same dir for all commands */
550 if (prefixcmp(var, "colors.") != 0)
553 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
554 const char *name = var + 7;
556 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
563 bg = strchr(fg, ',');
568 while (isspace(*++bg));
569 ui_browser__colorsets[i].bg = bg;
570 ui_browser__colorsets[i].fg = fg;
578 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
582 browser->top = browser->entries;
585 browser->top = browser->top + browser->top_idx + offset;
588 browser->top = browser->top + browser->nr_entries - 1 + offset;
595 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
597 unsigned int row = 0, idx = browser->top_idx;
600 if (browser->top == NULL)
601 browser->top = browser->entries;
603 pos = (char **)browser->top;
604 while (idx < browser->nr_entries) {
605 if (!browser->filter || !browser->filter(browser, *pos)) {
606 ui_browser__gotorc(browser, row, 0);
607 browser->write(browser, pos, row);
608 if (++row == browser->rows)
619 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
622 SLsmg_set_char_set(1);
623 ui_browser__gotorc(browser, start, column);
624 SLsmg_draw_vline(end - start + 1);
625 SLsmg_set_char_set(0);
628 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
631 SLsmg_set_char_set(1);
632 SLsmg_write_char(graph);
633 SLsmg_set_char_set(0);
636 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
640 unsigned int row, end_row;
642 SLsmg_set_char_set(1);
644 if (start < browser->top_idx + browser->rows) {
645 row = start - browser->top_idx;
646 ui_browser__gotorc(browser, row, column);
647 SLsmg_write_char(SLSMG_LLCORN_CHAR);
648 ui_browser__gotorc(browser, row, column + 1);
654 row = browser->rows - 1;
656 if (end > browser->top_idx)
657 end_row = end - browser->top_idx;
661 ui_browser__gotorc(browser, end_row, column);
662 SLsmg_draw_vline(row - end_row + 1);
664 ui_browser__gotorc(browser, end_row, column);
665 if (end >= browser->top_idx) {
666 SLsmg_write_char(SLSMG_ULCORN_CHAR);
667 ui_browser__gotorc(browser, end_row, column + 1);
668 SLsmg_write_char(SLSMG_HLINE_CHAR);
669 ui_browser__gotorc(browser, end_row, column + 2);
670 SLsmg_write_char(SLSMG_RARROW_CHAR);
673 SLsmg_set_char_set(0);
676 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
680 unsigned int row, end_row;
682 SLsmg_set_char_set(1);
684 if (start >= browser->top_idx) {
685 row = start - browser->top_idx;
686 ui_browser__gotorc(browser, row, column);
687 SLsmg_write_char(SLSMG_ULCORN_CHAR);
688 ui_browser__gotorc(browser, row, column + 1);
696 if (end >= browser->top_idx + browser->rows)
697 end_row = browser->rows - 1;
699 end_row = end - browser->top_idx;
701 ui_browser__gotorc(browser, row, column);
702 SLsmg_draw_vline(end_row - row + 1);
704 ui_browser__gotorc(browser, end_row, column);
705 if (end < browser->top_idx + browser->rows) {
706 SLsmg_write_char(SLSMG_LLCORN_CHAR);
707 ui_browser__gotorc(browser, end_row, column + 1);
708 SLsmg_write_char(SLSMG_HLINE_CHAR);
709 ui_browser__gotorc(browser, end_row, column + 2);
710 SLsmg_write_char(SLSMG_RARROW_CHAR);
713 SLsmg_set_char_set(0);
716 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
720 __ui_browser__line_arrow_up(browser, column, start, end);
722 __ui_browser__line_arrow_down(browser, column, start, end);
725 void ui_browser__init(void)
729 perf_config(ui_browser__color_config, NULL);
731 while (ui_browser__colorsets[i].name) {
732 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
733 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
736 annotate_browser__init();