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->rows)
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 = browser->rows = 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 if (browser->refresh_dimensions == NULL)
254 browser->refresh_dimensions = ui_browser__refresh_dimensions;
256 browser->refresh_dimensions(browser);
258 pthread_mutex_lock(&ui__lock);
259 __ui_browser__show_title(browser, title);
261 browser->title = title;
262 zfree(&browser->helpline);
264 va_start(ap, helpline);
265 err = vasprintf(&browser->helpline, helpline, ap);
268 ui_helpline__push(browser->helpline);
269 pthread_mutex_unlock(&ui__lock);
273 void ui_browser__hide(struct ui_browser *browser)
275 pthread_mutex_lock(&ui__lock);
277 zfree(&browser->helpline);
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,
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 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->rows) {
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->rows > browser->nr_entries - 1)
414 offset = browser->rows;
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->rows)
426 offset = browser->top_idx;
428 offset = browser->rows;
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->rows - 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->rows)
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,
517 .colorset = HE_COLORSET_ROOT,
528 static int ui_browser__color_config(const char *var, const char *value,
529 void *data __maybe_unused)
531 char *fg = NULL, *bg;
534 /* same dir for all commands */
535 if (prefixcmp(var, "colors.") != 0)
538 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
539 const char *name = var + 7;
541 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
548 bg = strchr(fg, ',');
553 while (isspace(*++bg));
554 ui_browser__colorsets[i].bg = bg;
555 ui_browser__colorsets[i].fg = fg;
563 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
567 browser->top = browser->entries;
570 browser->top = browser->top + browser->top_idx + offset;
573 browser->top = browser->top + browser->nr_entries - 1 + offset;
580 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
582 unsigned int row = 0, idx = browser->top_idx;
585 if (browser->top == NULL)
586 browser->top = browser->entries;
588 pos = (char **)browser->top;
589 while (idx < browser->nr_entries) {
590 if (!browser->filter || !browser->filter(browser, *pos)) {
591 ui_browser__gotorc(browser, row, 0);
592 browser->write(browser, pos, row);
593 if (++row == browser->rows)
604 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
607 SLsmg_set_char_set(1);
608 ui_browser__gotorc(browser, start, column);
609 SLsmg_draw_vline(end - start + 1);
610 SLsmg_set_char_set(0);
613 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
616 SLsmg_set_char_set(1);
617 SLsmg_write_char(graph);
618 SLsmg_set_char_set(0);
621 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
625 unsigned int row, end_row;
627 SLsmg_set_char_set(1);
629 if (start < browser->top_idx + browser->rows) {
630 row = start - browser->top_idx;
631 ui_browser__gotorc(browser, row, column);
632 SLsmg_write_char(SLSMG_LLCORN_CHAR);
633 ui_browser__gotorc(browser, row, column + 1);
639 row = browser->rows - 1;
641 if (end > browser->top_idx)
642 end_row = end - browser->top_idx;
646 ui_browser__gotorc(browser, end_row, column);
647 SLsmg_draw_vline(row - end_row + 1);
649 ui_browser__gotorc(browser, end_row, column);
650 if (end >= browser->top_idx) {
651 SLsmg_write_char(SLSMG_ULCORN_CHAR);
652 ui_browser__gotorc(browser, end_row, column + 1);
653 SLsmg_write_char(SLSMG_HLINE_CHAR);
654 ui_browser__gotorc(browser, end_row, column + 2);
655 SLsmg_write_char(SLSMG_RARROW_CHAR);
658 SLsmg_set_char_set(0);
661 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
665 unsigned int row, end_row;
667 SLsmg_set_char_set(1);
669 if (start >= browser->top_idx) {
670 row = start - browser->top_idx;
671 ui_browser__gotorc(browser, row, column);
672 SLsmg_write_char(SLSMG_ULCORN_CHAR);
673 ui_browser__gotorc(browser, row, column + 1);
681 if (end >= browser->top_idx + browser->rows)
682 end_row = browser->rows - 1;
684 end_row = end - browser->top_idx;
686 ui_browser__gotorc(browser, row, column);
687 SLsmg_draw_vline(end_row - row + 1);
689 ui_browser__gotorc(browser, end_row, column);
690 if (end < browser->top_idx + browser->rows) {
691 SLsmg_write_char(SLSMG_LLCORN_CHAR);
692 ui_browser__gotorc(browser, end_row, column + 1);
693 SLsmg_write_char(SLSMG_HLINE_CHAR);
694 ui_browser__gotorc(browser, end_row, column + 2);
695 SLsmg_write_char(SLSMG_RARROW_CHAR);
698 SLsmg_set_char_set(0);
701 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
705 __ui_browser__line_arrow_up(browser, column, start, end);
707 __ui_browser__line_arrow_down(browser, column, start, end);
710 void ui_browser__init(void)
714 perf_config(ui_browser__color_config, NULL);
716 while (ui_browser__colorsets[i].name) {
717 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
718 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
721 annotate_browser__init();