3 #include "../../perf.h"
8 #include <linux/compiler.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
12 #include <sys/ttydefaults.h>
18 static int ui_browser__percent_color(struct ui_browser *browser,
19 double percent, bool current)
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;
30 int ui_browser__set_color(struct ui_browser *browser, int color)
32 int ret = browser->current_color;
33 browser->current_color = color;
34 SLsmg_set_color(color);
38 void ui_browser__set_percent_color(struct ui_browser *browser,
39 double percent, bool current)
41 int color = ui_browser__percent_color(browser, percent, current);
42 ui_browser__set_color(browser, color);
45 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
47 SLsmg_gotorc(browser->y + y, browser->x + x);
50 static struct list_head *
51 ui_browser__list_head_filter_entries(struct ui_browser *browser,
52 struct list_head *pos)
55 if (!browser->filter || !browser->filter(browser, pos))
58 } while (pos != browser->entries);
63 static struct list_head *
64 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
65 struct list_head *pos)
68 if (!browser->filter || !browser->filter(browser, pos))
71 } while (pos != browser->entries);
76 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
78 struct list_head *head = browser->entries;
79 struct list_head *pos;
81 if (browser->nr_entries == 0)
86 pos = ui_browser__list_head_filter_entries(browser, head->next);
92 pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
101 while (offset-- != 0)
102 pos = ui_browser__list_head_filter_entries(browser, pos->next);
104 while (offset++ != 0)
105 pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
111 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
113 struct rb_root *root = browser->entries;
131 while (offset-- != 0)
134 while (offset++ != 0)
141 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
146 if (browser->top == NULL)
147 browser->top = rb_first(browser->entries);
152 ui_browser__gotorc(browser, row, 0);
153 browser->write(browser, nd, row);
154 if (++row == browser->height)
162 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
164 return browser->top_idx + row == browser->index;
167 void ui_browser__refresh_dimensions(struct ui_browser *browser)
169 browser->width = SLtt_Screen_Cols - 1;
170 browser->height = SLtt_Screen_Rows - 2;
175 void ui_browser__handle_resize(struct ui_browser *browser)
177 ui__refresh_dimensions(false);
178 ui_browser__show(browser, browser->title, ui_helpline__current);
179 ui_browser__refresh(browser);
182 int ui_browser__warning(struct ui_browser *browser, int timeout,
183 const char *format, ...)
189 va_start(args, format);
190 err = vasprintf(&text, format, args);
194 va_start(args, format);
195 ui_helpline__vpush(format, args);
198 while ((key == ui__question_window("Warning!", text,
200 timeout)) == K_RESIZE)
201 ui_browser__handle_resize(browser);
208 int ui_browser__help_window(struct ui_browser *browser, const char *text)
212 while ((key = ui__help_window(text)) == K_RESIZE)
213 ui_browser__handle_resize(browser);
218 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
222 while ((key = ui__dialog_yesno(text)) == K_RESIZE)
223 ui_browser__handle_resize(browser);
225 return key == K_ENTER || toupper(key) == 'Y';
228 void ui_browser__reset_index(struct ui_browser *browser)
230 browser->index = browser->top_idx = 0;
231 browser->seek(browser, 0, SEEK_SET);
234 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
237 ui_browser__set_color(browser, NEWT_COLORSET_ROOT);
238 slsmg_write_nstring(title, browser->width + 1);
241 void ui_browser__show_title(struct ui_browser *browser, const char *title)
243 pthread_mutex_lock(&ui__lock);
244 __ui_browser__show_title(browser, title);
245 pthread_mutex_unlock(&ui__lock);
248 int ui_browser__show(struct ui_browser *browser, const char *title,
249 const char *helpline, ...)
254 ui_browser__refresh_dimensions(browser);
256 pthread_mutex_lock(&ui__lock);
257 __ui_browser__show_title(browser, title);
259 browser->title = title;
260 free(browser->helpline);
261 browser->helpline = NULL;
263 va_start(ap, helpline);
264 err = vasprintf(&browser->helpline, helpline, ap);
267 ui_helpline__push(browser->helpline);
268 pthread_mutex_unlock(&ui__lock);
272 void ui_browser__hide(struct ui_browser *browser __maybe_unused)
274 pthread_mutex_lock(&ui__lock);
276 free(browser->helpline);
277 browser->helpline = NULL;
278 pthread_mutex_unlock(&ui__lock);
281 static void ui_browser__scrollbar_set(struct ui_browser *browser)
283 int height = browser->height, h = 0, pct = 0,
284 col = browser->width,
285 row = browser->y - 1;
287 if (browser->nr_entries > 1) {
288 pct = ((browser->index * (browser->height - 1)) /
289 (browser->nr_entries - 1));
292 SLsmg_set_char_set(1);
295 ui_browser__gotorc(browser, row++, col);
296 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
300 SLsmg_set_char_set(0);
303 static int __ui_browser__refresh(struct ui_browser *browser)
306 int width = browser->width;
308 row = browser->refresh(browser);
309 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
311 if (!browser->use_navkeypressed || browser->navkeypressed)
312 ui_browser__scrollbar_set(browser);
316 SLsmg_fill_region(browser->y + row, browser->x,
317 browser->height - row, width, ' ');
322 int ui_browser__refresh(struct ui_browser *browser)
324 pthread_mutex_lock(&ui__lock);
325 __ui_browser__refresh(browser);
326 pthread_mutex_unlock(&ui__lock);
332 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
333 * forget about any reference to any entry in the underlying data structure,
334 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
335 * after an output_resort and hist decay.
337 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
339 off_t offset = nr_entries - browser->nr_entries;
341 browser->nr_entries = nr_entries;
344 if (browser->top_idx < (u64)-offset)
345 offset = -browser->top_idx;
347 browser->index += offset;
348 browser->top_idx += offset;
352 browser->seek(browser, browser->top_idx, SEEK_SET);
355 int ui_browser__run(struct ui_browser *browser, int delay_secs)
362 pthread_mutex_lock(&ui__lock);
363 err = __ui_browser__refresh(browser);
365 pthread_mutex_unlock(&ui__lock);
369 key = ui__getch(delay_secs);
371 if (key == K_RESIZE) {
372 ui__refresh_dimensions(false);
373 ui_browser__refresh_dimensions(browser);
374 __ui_browser__show_title(browser, browser->title);
375 ui_helpline__puts(browser->helpline);
379 if (browser->use_navkeypressed && !browser->navkeypressed) {
380 if (key == K_DOWN || key == K_UP ||
381 key == K_PGDN || key == K_PGUP ||
382 key == K_HOME || key == K_END ||
384 browser->navkeypressed = true;
392 if (browser->index == browser->nr_entries - 1)
395 if (browser->index == browser->top_idx + browser->height) {
397 browser->seek(browser, +1, SEEK_CUR);
401 if (browser->index == 0)
404 if (browser->index < browser->top_idx) {
406 browser->seek(browser, -1, SEEK_CUR);
411 if (browser->top_idx + browser->height > browser->nr_entries - 1)
414 offset = browser->height;
415 if (browser->index + offset > browser->nr_entries - 1)
416 offset = browser->nr_entries - 1 - browser->index;
417 browser->index += offset;
418 browser->top_idx += offset;
419 browser->seek(browser, +offset, SEEK_CUR);
422 if (browser->top_idx == 0)
425 if (browser->top_idx < browser->height)
426 offset = browser->top_idx;
428 offset = browser->height;
430 browser->index -= offset;
431 browser->top_idx -= offset;
432 browser->seek(browser, -offset, SEEK_CUR);
435 ui_browser__reset_index(browser);
438 offset = browser->height - 1;
439 if (offset >= browser->nr_entries)
440 offset = browser->nr_entries - 1;
442 browser->index = browser->nr_entries - 1;
443 browser->top_idx = browser->index - offset;
444 browser->seek(browser, -offset, SEEK_END);
453 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
455 struct list_head *pos;
456 struct list_head *head = browser->entries;
459 if (browser->top == NULL || browser->top == browser->entries)
460 browser->top = ui_browser__list_head_filter_entries(browser, head->next);
464 list_for_each_from(pos, head) {
465 if (!browser->filter || !browser->filter(browser, pos)) {
466 ui_browser__gotorc(browser, row, 0);
467 browser->write(browser, pos, row);
468 if (++row == browser->height)
476 static struct ui_browser_colorset {
477 const char *name, *fg, *bg;
479 } ui_browser__colorsets[] = {
481 .colorset = HE_COLORSET_TOP,
487 .colorset = HE_COLORSET_MEDIUM,
493 .colorset = HE_COLORSET_NORMAL,
499 .colorset = HE_COLORSET_SELECTED,
505 .colorset = HE_COLORSET_CODE,
511 .colorset = HE_COLORSET_ADDR,
522 static int ui_browser__color_config(const char *var, const char *value,
523 void *data __maybe_unused)
525 char *fg = NULL, *bg;
528 /* same dir for all commands */
529 if (prefixcmp(var, "colors.") != 0)
532 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
533 const char *name = var + 7;
535 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
542 bg = strchr(fg, ',');
547 while (isspace(*++bg));
548 ui_browser__colorsets[i].bg = bg;
549 ui_browser__colorsets[i].fg = fg;
557 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
561 browser->top = browser->entries;
564 browser->top = browser->top + browser->top_idx + offset;
567 browser->top = browser->top + browser->nr_entries + offset;
574 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
576 unsigned int row = 0, idx = browser->top_idx;
579 if (browser->top == NULL)
580 browser->top = browser->entries;
582 pos = (char **)browser->top;
583 while (idx < browser->nr_entries) {
584 if (!browser->filter || !browser->filter(browser, *pos)) {
585 ui_browser__gotorc(browser, row, 0);
586 browser->write(browser, pos, row);
587 if (++row == browser->height)
598 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
601 SLsmg_set_char_set(1);
602 ui_browser__gotorc(browser, start, column);
603 SLsmg_draw_vline(end - start + 1);
604 SLsmg_set_char_set(0);
607 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
610 SLsmg_set_char_set(1);
611 SLsmg_write_char(graph);
612 SLsmg_set_char_set(0);
615 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
619 unsigned int row, end_row;
621 SLsmg_set_char_set(1);
623 if (start < browser->top_idx + browser->height) {
624 row = start - browser->top_idx;
625 ui_browser__gotorc(browser, row, column);
626 SLsmg_write_char(SLSMG_LLCORN_CHAR);
627 ui_browser__gotorc(browser, row, column + 1);
633 row = browser->height - 1;
635 if (end > browser->top_idx)
636 end_row = end - browser->top_idx;
640 ui_browser__gotorc(browser, end_row, column);
641 SLsmg_draw_vline(row - end_row + 1);
643 ui_browser__gotorc(browser, end_row, column);
644 if (end >= browser->top_idx) {
645 SLsmg_write_char(SLSMG_ULCORN_CHAR);
646 ui_browser__gotorc(browser, end_row, column + 1);
647 SLsmg_write_char(SLSMG_HLINE_CHAR);
648 ui_browser__gotorc(browser, end_row, column + 2);
649 SLsmg_write_char(SLSMG_RARROW_CHAR);
652 SLsmg_set_char_set(0);
655 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
659 unsigned int row, end_row;
661 SLsmg_set_char_set(1);
663 if (start >= browser->top_idx) {
664 row = start - browser->top_idx;
665 ui_browser__gotorc(browser, row, column);
666 SLsmg_write_char(SLSMG_ULCORN_CHAR);
667 ui_browser__gotorc(browser, row, column + 1);
675 if (end >= browser->top_idx + browser->height)
676 end_row = browser->height - 1;
678 end_row = end - browser->top_idx;;
680 ui_browser__gotorc(browser, row, column);
681 SLsmg_draw_vline(end_row - row + 1);
683 ui_browser__gotorc(browser, end_row, column);
684 if (end < browser->top_idx + browser->height) {
685 SLsmg_write_char(SLSMG_LLCORN_CHAR);
686 ui_browser__gotorc(browser, end_row, column + 1);
687 SLsmg_write_char(SLSMG_HLINE_CHAR);
688 ui_browser__gotorc(browser, end_row, column + 2);
689 SLsmg_write_char(SLSMG_RARROW_CHAR);
692 SLsmg_set_char_set(0);
695 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
699 __ui_browser__line_arrow_up(browser, column, start, end);
701 __ui_browser__line_arrow_down(browser, column, start, end);
704 void ui_browser__init(void)
708 perf_config(ui_browser__color_config, NULL);
710 while (ui_browser__colorsets[i].name) {
711 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
712 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
715 annotate_browser__init();