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 static struct list_head *
50 ui_browser__list_head_filter_entries(struct ui_browser *browser,
51 struct list_head *pos)
54 if (!browser->filter || !browser->filter(browser, pos))
57 } while (pos != browser->entries);
62 static struct list_head *
63 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
64 struct list_head *pos)
67 if (!browser->filter || !browser->filter(browser, pos))
70 } while (pos != browser->entries);
75 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
77 struct list_head *head = browser->entries;
78 struct list_head *pos;
80 if (browser->nr_entries == 0)
85 pos = ui_browser__list_head_filter_entries(browser, head->next);
91 pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
100 while (offset-- != 0)
101 pos = ui_browser__list_head_filter_entries(browser, pos->next);
103 while (offset++ != 0)
104 pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
110 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
112 struct rb_root *root = browser->entries;
130 while (offset-- != 0)
133 while (offset++ != 0)
140 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
145 if (browser->top == NULL)
146 browser->top = rb_first(browser->entries);
151 ui_browser__gotorc(browser, row, 0);
152 browser->write(browser, nd, row);
153 if (++row == browser->height)
161 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
163 return browser->top_idx + row == browser->index;
166 void ui_browser__refresh_dimensions(struct ui_browser *browser)
168 browser->width = SLtt_Screen_Cols - 1;
169 browser->height = SLtt_Screen_Rows - 2;
174 void ui_browser__handle_resize(struct ui_browser *browser)
176 ui__refresh_dimensions(false);
177 ui_browser__show(browser, browser->title, ui_helpline__current);
178 ui_browser__refresh(browser);
181 int ui_browser__warning(struct ui_browser *browser, int timeout,
182 const char *format, ...)
188 va_start(args, format);
189 err = vasprintf(&text, format, args);
193 va_start(args, format);
194 ui_helpline__vpush(format, args);
197 while ((key == ui__question_window("Warning!", text,
199 timeout)) == K_RESIZE)
200 ui_browser__handle_resize(browser);
207 int ui_browser__help_window(struct ui_browser *browser, const char *text)
211 while ((key = ui__help_window(text)) == K_RESIZE)
212 ui_browser__handle_resize(browser);
217 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
221 while ((key = ui__dialog_yesno(text)) == K_RESIZE)
222 ui_browser__handle_resize(browser);
224 return key == K_ENTER || toupper(key) == 'Y';
227 void ui_browser__reset_index(struct ui_browser *browser)
229 browser->index = browser->top_idx = 0;
230 browser->seek(browser, 0, SEEK_SET);
233 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
236 ui_browser__set_color(browser, HE_COLORSET_ROOT);
237 slsmg_write_nstring(title, browser->width + 1);
240 void ui_browser__show_title(struct ui_browser *browser, const char *title)
242 pthread_mutex_lock(&ui__lock);
243 __ui_browser__show_title(browser, title);
244 pthread_mutex_unlock(&ui__lock);
247 int ui_browser__show(struct ui_browser *browser, const char *title,
248 const char *helpline, ...)
253 ui_browser__refresh_dimensions(browser);
255 pthread_mutex_lock(&ui__lock);
256 __ui_browser__show_title(browser, title);
258 browser->title = title;
259 free(browser->helpline);
260 browser->helpline = NULL;
262 va_start(ap, helpline);
263 err = vasprintf(&browser->helpline, helpline, ap);
266 ui_helpline__push(browser->helpline);
267 pthread_mutex_unlock(&ui__lock);
271 void ui_browser__hide(struct ui_browser *browser __maybe_unused)
273 pthread_mutex_lock(&ui__lock);
275 free(browser->helpline);
276 browser->helpline = NULL;
277 pthread_mutex_unlock(&ui__lock);
280 static void ui_browser__scrollbar_set(struct ui_browser *browser)
282 int height = browser->height, h = 0, pct = 0,
283 col = browser->width,
284 row = browser->y - 1;
286 if (browser->nr_entries > 1) {
287 pct = ((browser->index * (browser->height - 1)) /
288 (browser->nr_entries - 1));
291 SLsmg_set_char_set(1);
294 ui_browser__gotorc(browser, row++, col);
295 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
299 SLsmg_set_char_set(0);
302 static int __ui_browser__refresh(struct ui_browser *browser)
305 int width = browser->width;
307 row = browser->refresh(browser);
308 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
310 if (!browser->use_navkeypressed || browser->navkeypressed)
311 ui_browser__scrollbar_set(browser);
315 SLsmg_fill_region(browser->y + row, browser->x,
316 browser->height - row, width, ' ');
321 int ui_browser__refresh(struct ui_browser *browser)
323 pthread_mutex_lock(&ui__lock);
324 __ui_browser__refresh(browser);
325 pthread_mutex_unlock(&ui__lock);
331 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
332 * forget about any reference to any entry in the underlying data structure,
333 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
334 * after an output_resort and hist decay.
336 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
338 off_t offset = nr_entries - browser->nr_entries;
340 browser->nr_entries = nr_entries;
343 if (browser->top_idx < (u64)-offset)
344 offset = -browser->top_idx;
346 browser->index += offset;
347 browser->top_idx += offset;
351 browser->seek(browser, browser->top_idx, SEEK_SET);
354 int ui_browser__run(struct ui_browser *browser, int delay_secs)
361 pthread_mutex_lock(&ui__lock);
362 err = __ui_browser__refresh(browser);
364 pthread_mutex_unlock(&ui__lock);
368 key = ui__getch(delay_secs);
370 if (key == K_RESIZE) {
371 ui__refresh_dimensions(false);
372 ui_browser__refresh_dimensions(browser);
373 __ui_browser__show_title(browser, browser->title);
374 ui_helpline__puts(browser->helpline);
378 if (browser->use_navkeypressed && !browser->navkeypressed) {
379 if (key == K_DOWN || key == K_UP ||
380 key == K_PGDN || key == K_PGUP ||
381 key == K_HOME || key == K_END ||
383 browser->navkeypressed = true;
391 if (browser->index == browser->nr_entries - 1)
394 if (browser->index == browser->top_idx + browser->height) {
396 browser->seek(browser, +1, SEEK_CUR);
400 if (browser->index == 0)
403 if (browser->index < browser->top_idx) {
405 browser->seek(browser, -1, SEEK_CUR);
410 if (browser->top_idx + browser->height > browser->nr_entries - 1)
413 offset = browser->height;
414 if (browser->index + offset > browser->nr_entries - 1)
415 offset = browser->nr_entries - 1 - browser->index;
416 browser->index += offset;
417 browser->top_idx += offset;
418 browser->seek(browser, +offset, SEEK_CUR);
421 if (browser->top_idx == 0)
424 if (browser->top_idx < browser->height)
425 offset = browser->top_idx;
427 offset = browser->height;
429 browser->index -= offset;
430 browser->top_idx -= offset;
431 browser->seek(browser, -offset, SEEK_CUR);
434 ui_browser__reset_index(browser);
437 offset = browser->height - 1;
438 if (offset >= browser->nr_entries)
439 offset = browser->nr_entries - 1;
441 browser->index = browser->nr_entries - 1;
442 browser->top_idx = browser->index - offset;
443 browser->seek(browser, -offset, SEEK_END);
452 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
454 struct list_head *pos;
455 struct list_head *head = browser->entries;
458 if (browser->top == NULL || browser->top == browser->entries)
459 browser->top = ui_browser__list_head_filter_entries(browser, head->next);
463 list_for_each_from(pos, head) {
464 if (!browser->filter || !browser->filter(browser, pos)) {
465 ui_browser__gotorc(browser, row, 0);
466 browser->write(browser, pos, row);
467 if (++row == browser->height)
475 static struct ui_browser_colorset {
476 const char *name, *fg, *bg;
478 } ui_browser__colorsets[] = {
480 .colorset = HE_COLORSET_TOP,
486 .colorset = HE_COLORSET_MEDIUM,
492 .colorset = HE_COLORSET_NORMAL,
498 .colorset = HE_COLORSET_SELECTED,
504 .colorset = HE_COLORSET_CODE,
510 .colorset = HE_COLORSET_ADDR,
516 .colorset = HE_COLORSET_ROOT,
527 static int ui_browser__color_config(const char *var, const char *value,
528 void *data __maybe_unused)
530 char *fg = NULL, *bg;
533 /* same dir for all commands */
534 if (prefixcmp(var, "colors.") != 0)
537 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
538 const char *name = var + 7;
540 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
547 bg = strchr(fg, ',');
552 while (isspace(*++bg));
553 ui_browser__colorsets[i].bg = bg;
554 ui_browser__colorsets[i].fg = fg;
562 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
566 browser->top = browser->entries;
569 browser->top = browser->top + browser->top_idx + offset;
572 browser->top = browser->top + browser->nr_entries + offset;
579 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
581 unsigned int row = 0, idx = browser->top_idx;
584 if (browser->top == NULL)
585 browser->top = browser->entries;
587 pos = (char **)browser->top;
588 while (idx < browser->nr_entries) {
589 if (!browser->filter || !browser->filter(browser, *pos)) {
590 ui_browser__gotorc(browser, row, 0);
591 browser->write(browser, pos, row);
592 if (++row == browser->height)
603 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
606 SLsmg_set_char_set(1);
607 ui_browser__gotorc(browser, start, column);
608 SLsmg_draw_vline(end - start + 1);
609 SLsmg_set_char_set(0);
612 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
615 SLsmg_set_char_set(1);
616 SLsmg_write_char(graph);
617 SLsmg_set_char_set(0);
620 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
624 unsigned int row, end_row;
626 SLsmg_set_char_set(1);
628 if (start < browser->top_idx + browser->height) {
629 row = start - browser->top_idx;
630 ui_browser__gotorc(browser, row, column);
631 SLsmg_write_char(SLSMG_LLCORN_CHAR);
632 ui_browser__gotorc(browser, row, column + 1);
638 row = browser->height - 1;
640 if (end > browser->top_idx)
641 end_row = end - browser->top_idx;
645 ui_browser__gotorc(browser, end_row, column);
646 SLsmg_draw_vline(row - end_row + 1);
648 ui_browser__gotorc(browser, end_row, column);
649 if (end >= browser->top_idx) {
650 SLsmg_write_char(SLSMG_ULCORN_CHAR);
651 ui_browser__gotorc(browser, end_row, column + 1);
652 SLsmg_write_char(SLSMG_HLINE_CHAR);
653 ui_browser__gotorc(browser, end_row, column + 2);
654 SLsmg_write_char(SLSMG_RARROW_CHAR);
657 SLsmg_set_char_set(0);
660 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
664 unsigned int row, end_row;
666 SLsmg_set_char_set(1);
668 if (start >= browser->top_idx) {
669 row = start - browser->top_idx;
670 ui_browser__gotorc(browser, row, column);
671 SLsmg_write_char(SLSMG_ULCORN_CHAR);
672 ui_browser__gotorc(browser, row, column + 1);
680 if (end >= browser->top_idx + browser->height)
681 end_row = browser->height - 1;
683 end_row = end - browser->top_idx;;
685 ui_browser__gotorc(browser, row, column);
686 SLsmg_draw_vline(end_row - row + 1);
688 ui_browser__gotorc(browser, end_row, column);
689 if (end < browser->top_idx + browser->height) {
690 SLsmg_write_char(SLSMG_LLCORN_CHAR);
691 ui_browser__gotorc(browser, end_row, column + 1);
692 SLsmg_write_char(SLSMG_HLINE_CHAR);
693 ui_browser__gotorc(browser, end_row, column + 2);
694 SLsmg_write_char(SLSMG_RARROW_CHAR);
697 SLsmg_set_char_set(0);
700 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
704 __ui_browser__line_arrow_up(browser, column, start, end);
706 __ui_browser__line_arrow_down(browser, column, start, end);
709 void ui_browser__init(void)
713 perf_config(ui_browser__color_config, NULL);
715 while (ui_browser__colorsets[i].name) {
716 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
717 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
720 annotate_browser__init();