2 #include "../string2.h"
4 #include "../../perf.h"
8 #include <linux/compiler.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
12 #include <sys/ttydefaults.h>
17 #include "sane_ctype.h"
19 static int ui_browser__percent_color(struct ui_browser *browser,
20 double percent, bool current)
22 if (current && (!browser->use_navkeypressed || browser->navkeypressed))
23 return HE_COLORSET_SELECTED;
24 if (percent >= MIN_RED)
25 return HE_COLORSET_TOP;
26 if (percent >= MIN_GREEN)
27 return HE_COLORSET_MEDIUM;
28 return HE_COLORSET_NORMAL;
31 int ui_browser__set_color(struct ui_browser *browser, int color)
33 int ret = browser->current_color;
34 browser->current_color = color;
35 SLsmg_set_color(color);
39 void ui_browser__set_percent_color(struct ui_browser *browser,
40 double percent, bool current)
42 int color = ui_browser__percent_color(browser, percent, current);
43 ui_browser__set_color(browser, color);
46 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)
48 SLsmg_gotorc(browser->y + y, browser->x + x);
51 void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,
54 slsmg_write_nstring(msg, width);
57 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)
62 slsmg_vprintf(fmt, args);
66 static struct list_head *
67 ui_browser__list_head_filter_entries(struct ui_browser *browser,
68 struct list_head *pos)
71 if (!browser->filter || !browser->filter(browser, pos))
74 } while (pos != browser->entries);
79 static struct list_head *
80 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,
81 struct list_head *pos)
84 if (!browser->filter || !browser->filter(browser, pos))
87 } while (pos != browser->entries);
92 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)
94 struct list_head *head = browser->entries;
95 struct list_head *pos;
97 if (browser->nr_entries == 0)
102 pos = ui_browser__list_head_filter_entries(browser, head->next);
108 pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);
117 while (offset-- != 0)
118 pos = ui_browser__list_head_filter_entries(browser, pos->next);
120 while (offset++ != 0)
121 pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);
127 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)
129 struct rb_root *root = browser->entries;
147 while (offset-- != 0)
150 while (offset++ != 0)
157 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)
162 if (browser->top == NULL)
163 browser->top = rb_first(browser->entries);
168 ui_browser__gotorc(browser, row, 0);
169 browser->write(browser, nd, row);
170 if (++row == browser->rows)
178 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)
180 return browser->top_idx + row == browser->index;
183 void ui_browser__refresh_dimensions(struct ui_browser *browser)
185 browser->width = SLtt_Screen_Cols - 1;
186 browser->height = browser->rows = SLtt_Screen_Rows - 2;
191 void ui_browser__handle_resize(struct ui_browser *browser)
193 ui__refresh_dimensions(false);
194 ui_browser__show(browser, browser->title, ui_helpline__current);
195 ui_browser__refresh(browser);
198 int ui_browser__warning(struct ui_browser *browser, int timeout,
199 const char *format, ...)
205 va_start(args, format);
206 err = vasprintf(&text, format, args);
210 va_start(args, format);
211 ui_helpline__vpush(format, args);
214 while ((key = ui__question_window("Warning!", text,
216 timeout)) == K_RESIZE)
217 ui_browser__handle_resize(browser);
224 int ui_browser__help_window(struct ui_browser *browser, const char *text)
228 while ((key = ui__help_window(text)) == K_RESIZE)
229 ui_browser__handle_resize(browser);
234 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)
238 while ((key = ui__dialog_yesno(text)) == K_RESIZE)
239 ui_browser__handle_resize(browser);
241 return key == K_ENTER || toupper(key) == 'Y';
244 void ui_browser__reset_index(struct ui_browser *browser)
246 browser->index = browser->top_idx = 0;
247 browser->seek(browser, 0, SEEK_SET);
250 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
253 ui_browser__set_color(browser, HE_COLORSET_ROOT);
254 ui_browser__write_nstring(browser, title, browser->width + 1);
257 void ui_browser__show_title(struct ui_browser *browser, const char *title)
259 pthread_mutex_lock(&ui__lock);
260 __ui_browser__show_title(browser, title);
261 pthread_mutex_unlock(&ui__lock);
264 int ui_browser__show(struct ui_browser *browser, const char *title,
265 const char *helpline, ...)
270 if (browser->refresh_dimensions == NULL)
271 browser->refresh_dimensions = ui_browser__refresh_dimensions;
273 browser->refresh_dimensions(browser);
275 pthread_mutex_lock(&ui__lock);
276 __ui_browser__show_title(browser, title);
278 browser->title = title;
279 zfree(&browser->helpline);
281 va_start(ap, helpline);
282 err = vasprintf(&browser->helpline, helpline, ap);
285 ui_helpline__push(browser->helpline);
286 pthread_mutex_unlock(&ui__lock);
290 void ui_browser__hide(struct ui_browser *browser)
292 pthread_mutex_lock(&ui__lock);
294 zfree(&browser->helpline);
295 pthread_mutex_unlock(&ui__lock);
298 static void ui_browser__scrollbar_set(struct ui_browser *browser)
300 int height = browser->height, h = 0, pct = 0,
301 col = browser->width,
304 if (browser->nr_entries > 1) {
305 pct = ((browser->index * (browser->height - 1)) /
306 (browser->nr_entries - 1));
309 SLsmg_set_char_set(1);
312 ui_browser__gotorc(browser, row++, col);
313 SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR);
317 SLsmg_set_char_set(0);
320 static int __ui_browser__refresh(struct ui_browser *browser)
323 int width = browser->width;
325 row = browser->refresh(browser);
326 ui_browser__set_color(browser, HE_COLORSET_NORMAL);
328 if (!browser->use_navkeypressed || browser->navkeypressed)
329 ui_browser__scrollbar_set(browser);
333 SLsmg_fill_region(browser->y + row, browser->x,
334 browser->height - row, width, ' ');
339 int ui_browser__refresh(struct ui_browser *browser)
341 pthread_mutex_lock(&ui__lock);
342 __ui_browser__refresh(browser);
343 pthread_mutex_unlock(&ui__lock);
349 * Here we're updating nr_entries _after_ we started browsing, i.e. we have to
350 * forget about any reference to any entry in the underlying data structure,
351 * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser
352 * after an output_resort and hist decay.
354 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
356 off_t offset = nr_entries - browser->nr_entries;
358 browser->nr_entries = nr_entries;
361 if (browser->top_idx < (u64)-offset)
362 offset = -browser->top_idx;
364 browser->index += offset;
365 browser->top_idx += offset;
369 browser->seek(browser, browser->top_idx, SEEK_SET);
372 int ui_browser__run(struct ui_browser *browser, int delay_secs)
379 pthread_mutex_lock(&ui__lock);
380 err = __ui_browser__refresh(browser);
382 pthread_mutex_unlock(&ui__lock);
386 key = ui__getch(delay_secs);
388 if (key == K_RESIZE) {
389 ui__refresh_dimensions(false);
390 browser->refresh_dimensions(browser);
391 __ui_browser__show_title(browser, browser->title);
392 ui_helpline__puts(browser->helpline);
396 if (browser->use_navkeypressed && !browser->navkeypressed) {
397 if (key == K_DOWN || key == K_UP ||
398 (browser->columns && (key == K_LEFT || key == K_RIGHT)) ||
399 key == K_PGDN || key == K_PGUP ||
400 key == K_HOME || key == K_END ||
402 browser->navkeypressed = true;
410 if (browser->index == browser->nr_entries - 1)
413 if (browser->index == browser->top_idx + browser->rows) {
415 browser->seek(browser, +1, SEEK_CUR);
419 if (browser->index == 0)
422 if (browser->index < browser->top_idx) {
424 browser->seek(browser, -1, SEEK_CUR);
428 if (!browser->columns)
430 if (browser->horiz_scroll < browser->columns - 1)
431 ++browser->horiz_scroll;
434 if (!browser->columns)
436 if (browser->horiz_scroll != 0)
437 --browser->horiz_scroll;
441 if (browser->top_idx + browser->rows > browser->nr_entries - 1)
444 offset = browser->rows;
445 if (browser->index + offset > browser->nr_entries - 1)
446 offset = browser->nr_entries - 1 - browser->index;
447 browser->index += offset;
448 browser->top_idx += offset;
449 browser->seek(browser, +offset, SEEK_CUR);
452 if (browser->top_idx == 0)
455 if (browser->top_idx < browser->rows)
456 offset = browser->top_idx;
458 offset = browser->rows;
460 browser->index -= offset;
461 browser->top_idx -= offset;
462 browser->seek(browser, -offset, SEEK_CUR);
465 ui_browser__reset_index(browser);
468 offset = browser->rows - 1;
469 if (offset >= browser->nr_entries)
470 offset = browser->nr_entries - 1;
472 browser->index = browser->nr_entries - 1;
473 browser->top_idx = browser->index - offset;
474 browser->seek(browser, -offset, SEEK_END);
484 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)
486 struct list_head *pos;
487 struct list_head *head = browser->entries;
490 if (browser->top == NULL || browser->top == browser->entries)
491 browser->top = ui_browser__list_head_filter_entries(browser, head->next);
495 list_for_each_from(pos, head) {
496 if (!browser->filter || !browser->filter(browser, pos)) {
497 ui_browser__gotorc(browser, row, 0);
498 browser->write(browser, pos, row);
499 if (++row == browser->rows)
507 static struct ui_browser_colorset {
508 const char *name, *fg, *bg;
510 } ui_browser__colorsets[] = {
512 .colorset = HE_COLORSET_TOP,
518 .colorset = HE_COLORSET_MEDIUM,
524 .colorset = HE_COLORSET_NORMAL,
530 .colorset = HE_COLORSET_SELECTED,
536 .colorset = HE_COLORSET_JUMP_ARROWS,
537 .name = "jump_arrows",
542 .colorset = HE_COLORSET_ADDR,
548 .colorset = HE_COLORSET_ROOT,
559 static int ui_browser__color_config(const char *var, const char *value,
560 void *data __maybe_unused)
562 char *fg = NULL, *bg;
565 /* same dir for all commands */
566 if (prefixcmp(var, "colors.") != 0)
569 for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) {
570 const char *name = var + 7;
572 if (strcmp(ui_browser__colorsets[i].name, name) != 0)
579 bg = strchr(fg, ',');
585 ui_browser__colorsets[i].bg = bg;
586 ui_browser__colorsets[i].fg = fg;
594 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
598 browser->top = browser->entries;
601 browser->top = browser->top + browser->top_idx + offset;
604 browser->top = browser->top + browser->nr_entries - 1 + offset;
611 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
613 unsigned int row = 0, idx = browser->top_idx;
616 if (browser->top == NULL)
617 browser->top = browser->entries;
619 pos = (char **)browser->top;
620 while (idx < browser->nr_entries) {
621 if (!browser->filter || !browser->filter(browser, *pos)) {
622 ui_browser__gotorc(browser, row, 0);
623 browser->write(browser, pos, row);
624 if (++row == browser->rows)
635 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
638 SLsmg_set_char_set(1);
639 ui_browser__gotorc(browser, start, column);
640 SLsmg_draw_vline(end - start + 1);
641 SLsmg_set_char_set(0);
644 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,
647 SLsmg_set_char_set(1);
648 SLsmg_write_char(graph);
649 SLsmg_set_char_set(0);
652 static void __ui_browser__line_arrow_up(struct ui_browser *browser,
656 unsigned int row, end_row;
658 SLsmg_set_char_set(1);
660 if (start < browser->top_idx + browser->rows) {
661 row = start - browser->top_idx;
662 ui_browser__gotorc(browser, row, column);
663 SLsmg_write_char(SLSMG_LLCORN_CHAR);
664 ui_browser__gotorc(browser, row, column + 1);
670 row = browser->rows - 1;
672 if (end > browser->top_idx)
673 end_row = end - browser->top_idx;
677 ui_browser__gotorc(browser, end_row, column);
678 SLsmg_draw_vline(row - end_row + 1);
680 ui_browser__gotorc(browser, end_row, column);
681 if (end >= browser->top_idx) {
682 SLsmg_write_char(SLSMG_ULCORN_CHAR);
683 ui_browser__gotorc(browser, end_row, column + 1);
684 SLsmg_write_char(SLSMG_HLINE_CHAR);
685 ui_browser__gotorc(browser, end_row, column + 2);
686 SLsmg_write_char(SLSMG_RARROW_CHAR);
689 SLsmg_set_char_set(0);
692 static void __ui_browser__line_arrow_down(struct ui_browser *browser,
696 unsigned int row, end_row;
698 SLsmg_set_char_set(1);
700 if (start >= browser->top_idx) {
701 row = start - browser->top_idx;
702 ui_browser__gotorc(browser, row, column);
703 SLsmg_write_char(SLSMG_ULCORN_CHAR);
704 ui_browser__gotorc(browser, row, column + 1);
712 if (end >= browser->top_idx + browser->rows)
713 end_row = browser->rows - 1;
715 end_row = end - browser->top_idx;
717 ui_browser__gotorc(browser, row, column);
718 SLsmg_draw_vline(end_row - row + 1);
720 ui_browser__gotorc(browser, end_row, column);
721 if (end < browser->top_idx + browser->rows) {
722 SLsmg_write_char(SLSMG_LLCORN_CHAR);
723 ui_browser__gotorc(browser, end_row, column + 1);
724 SLsmg_write_char(SLSMG_HLINE_CHAR);
725 ui_browser__gotorc(browser, end_row, column + 2);
726 SLsmg_write_char(SLSMG_RARROW_CHAR);
729 SLsmg_set_char_set(0);
732 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
736 __ui_browser__line_arrow_up(browser, column, start, end);
738 __ui_browser__line_arrow_down(browser, column, start, end);
741 void ui_browser__init(void)
745 perf_config(ui_browser__color_config, NULL);
747 while (ui_browser__colorsets[i].name) {
748 struct ui_browser_colorset *c = &ui_browser__colorsets[i++];
749 sltt_set_color(c->colorset, c->name, c->fg, c->bg);
752 annotate_browser__init();