21 static int ui_browser__percent_color(struct ui_browser *browser,  in ui_browser__percent_color()  argument
24 	if (current && (!browser->use_navkeypressed || browser->navkeypressed))  in ui_browser__percent_color()
33 int ui_browser__set_color(struct ui_browser *browser, int color)  in ui_browser__set_color()  argument
35 	int ret = browser->current_color;  in ui_browser__set_color()
36 	browser->current_color = color;  in ui_browser__set_color()
41 void ui_browser__set_percent_color(struct ui_browser *browser,  in ui_browser__set_percent_color()  argument
44 	 int color = ui_browser__percent_color(browser, percent, current);  in ui_browser__set_percent_color()
45 	 ui_browser__set_color(browser, color);  in ui_browser__set_percent_color()
48 void ui_browser__gotorc_title(struct ui_browser *browser, int y, int x)  in ui_browser__gotorc_title()  argument
50 	SLsmg_gotorc(browser->y + y, browser->x + x);  in ui_browser__gotorc_title()
53 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)  in ui_browser__gotorc()  argument
55 	SLsmg_gotorc(browser->y + y + browser->extra_title_lines, browser->x + x);  in ui_browser__gotorc()
58 void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,  in ui_browser__write_nstring()
64 void ui_browser__vprintf(struct ui_browser *browser __maybe_unused, const char *fmt, va_list args)  in ui_browser__vprintf()
69 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)  in ui_browser__printf()
74 	ui_browser__vprintf(browser, fmt, args);  in ui_browser__printf()
79 ui_browser__list_head_filter_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_entries()  argument
83 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_entries()
86 	} while (pos != browser->entries);  in ui_browser__list_head_filter_entries()
92 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_prev_entries()  argument
96 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_prev_entries()
99 	} while (pos != browser->entries);  in ui_browser__list_head_filter_prev_entries()
104 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__list_head_seek()  argument
106 	struct list_head *head = browser->entries;  in ui_browser__list_head_seek()
109 	if (browser->nr_entries == 0)  in ui_browser__list_head_seek()
114 		pos = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_seek()
117 		pos = browser->top;  in ui_browser__list_head_seek()
120 		pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);  in ui_browser__list_head_seek()
130 			pos = ui_browser__list_head_filter_entries(browser, pos->next);  in ui_browser__list_head_seek()
133 			pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);  in ui_browser__list_head_seek()
136 	browser->top = pos;  in ui_browser__list_head_seek()
139 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__rb_tree_seek()  argument
141 	struct rb_root *root = browser->entries;  in ui_browser__rb_tree_seek()
149 		nd = browser->top;  in ui_browser__rb_tree_seek()
166 	browser->top = nd;  in ui_browser__rb_tree_seek()
169 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)  in ui_browser__rb_tree_refresh()  argument
174 	if (browser->top == NULL)  in ui_browser__rb_tree_refresh()
175                 browser->top = rb_first(browser->entries);  in ui_browser__rb_tree_refresh()
177 	nd = browser->top;  in ui_browser__rb_tree_refresh()
180 		ui_browser__gotorc(browser, row, 0);  in ui_browser__rb_tree_refresh()
181 		browser->write(browser, nd, row);  in ui_browser__rb_tree_refresh()
182 		if (++row == browser->rows)  in ui_browser__rb_tree_refresh()
190 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)  in ui_browser__is_current_entry()  argument
192 	return browser->top_idx + row == browser->index;  in ui_browser__is_current_entry()
195 void ui_browser__refresh_dimensions(struct ui_browser *browser)  in ui_browser__refresh_dimensions()  argument
197 	browser->width = SLtt_Screen_Cols - 1;  in ui_browser__refresh_dimensions()
198 	browser->height = browser->rows = SLtt_Screen_Rows - 2;  in ui_browser__refresh_dimensions()
199 	browser->rows -= browser->extra_title_lines;  in ui_browser__refresh_dimensions()
200 	browser->y = 1;  in ui_browser__refresh_dimensions()
201 	browser->x = 0;  in ui_browser__refresh_dimensions()
204 void ui_browser__handle_resize(struct ui_browser *browser)  in ui_browser__handle_resize()  argument
207 	ui_browser__show(browser, browser->title, ui_helpline__current);  in ui_browser__handle_resize()
208 	ui_browser__refresh(browser);  in ui_browser__handle_resize()
211 int ui_browser__warning(struct ui_browser *browser, int timeout,  in ui_browser__warning()  argument
230 			ui_browser__handle_resize(browser);  in ui_browser__warning()
237 int ui_browser__help_window(struct ui_browser *browser, const char *text)  in ui_browser__help_window()  argument
242 		ui_browser__handle_resize(browser);  in ui_browser__help_window()
247 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)  in ui_browser__dialog_yesno()  argument
252 		ui_browser__handle_resize(browser);  in ui_browser__dialog_yesno()
257 void ui_browser__reset_index(struct ui_browser *browser)  in ui_browser__reset_index()  argument
259 	browser->index = browser->top_idx = 0;  in ui_browser__reset_index()
260 	browser->seek(browser, 0, SEEK_SET);  in ui_browser__reset_index()
263 void __ui_browser__show_title(struct ui_browser *browser, const char *title)  in __ui_browser__show_title()  argument
266 	ui_browser__set_color(browser, HE_COLORSET_ROOT);  in __ui_browser__show_title()
267 	ui_browser__write_nstring(browser, title, browser->width + 1);  in __ui_browser__show_title()
270 void ui_browser__show_title(struct ui_browser *browser, const char *title)  in ui_browser__show_title()  argument
273 	__ui_browser__show_title(browser, title);  in ui_browser__show_title()
277 int ui_browser__show(struct ui_browser *browser, const char *title,  in ui_browser__show()  argument
283 	if (browser->refresh_dimensions == NULL)  in ui_browser__show()
284 		browser->refresh_dimensions = ui_browser__refresh_dimensions;  in ui_browser__show()
286 	browser->refresh_dimensions(browser);  in ui_browser__show()
289 	__ui_browser__show_title(browser, title);  in ui_browser__show()
291 	browser->title = title;  in ui_browser__show()
292 	zfree(&browser->helpline);  in ui_browser__show()
295 	err = vasprintf(&browser->helpline, helpline, ap);  in ui_browser__show()
298 		ui_helpline__push(browser->helpline);  in ui_browser__show()
303 void ui_browser__hide(struct ui_browser *browser)  in ui_browser__hide()  argument
307 	zfree(&browser->helpline);  in ui_browser__hide()
311 static void ui_browser__scrollbar_set(struct ui_browser *browser)  in ui_browser__scrollbar_set()  argument
313 	int height = browser->height, h = 0, pct = 0,  in ui_browser__scrollbar_set()
314 	    col = browser->width,  in ui_browser__scrollbar_set()
317 	if (browser->nr_entries > 1) {  in ui_browser__scrollbar_set()
318 		pct = ((browser->index * (browser->height - 1)) /  in ui_browser__scrollbar_set()
319 		       (browser->nr_entries - 1));  in ui_browser__scrollbar_set()
325 	        ui_browser__gotorc(browser, row++, col);  in ui_browser__scrollbar_set()
333 static int __ui_browser__refresh(struct ui_browser *browser)  in __ui_browser__refresh()  argument
336 	int width = browser->width;  in __ui_browser__refresh()
338 	row = browser->refresh(browser);  in __ui_browser__refresh()
339 	ui_browser__set_color(browser, HE_COLORSET_NORMAL);  in __ui_browser__refresh()
341 	if (!browser->use_navkeypressed || browser->navkeypressed)  in __ui_browser__refresh()
342 		ui_browser__scrollbar_set(browser);  in __ui_browser__refresh()
346 	SLsmg_fill_region(browser->y + row + browser->extra_title_lines, browser->x,  in __ui_browser__refresh()
347 			  browser->rows - row, width, ' ');  in __ui_browser__refresh()
352 int ui_browser__refresh(struct ui_browser *browser)  in ui_browser__refresh()  argument
355 	__ui_browser__refresh(browser);  in ui_browser__refresh()
367 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)  in ui_browser__update_nr_entries()  argument
369 	off_t offset = nr_entries - browser->nr_entries;  in ui_browser__update_nr_entries()
371 	browser->nr_entries = nr_entries;  in ui_browser__update_nr_entries()
374 		if (browser->top_idx < (u64)-offset)  in ui_browser__update_nr_entries()
375 			offset = -browser->top_idx;  in ui_browser__update_nr_entries()
377 		browser->index += offset;  in ui_browser__update_nr_entries()
378 		browser->top_idx += offset;  in ui_browser__update_nr_entries()
381 	browser->top = NULL;  in ui_browser__update_nr_entries()
382 	browser->seek(browser, browser->top_idx, SEEK_SET);  in ui_browser__update_nr_entries()
385 int ui_browser__run(struct ui_browser *browser, int delay_secs)  in ui_browser__run()  argument
393 		err = __ui_browser__refresh(browser);  in ui_browser__run()
403 			browser->refresh_dimensions(browser);  in ui_browser__run()
404 			__ui_browser__show_title(browser, browser->title);  in ui_browser__run()
405 			ui_helpline__puts(browser->helpline);  in ui_browser__run()
409 		if (browser->use_navkeypressed && !browser->navkeypressed) {  in ui_browser__run()
411 			    (browser->columns && (key == K_LEFT || key == K_RIGHT)) ||  in ui_browser__run()
415 				browser->navkeypressed = true;  in ui_browser__run()
423 			if (browser->index == browser->nr_entries - 1)  in ui_browser__run()
425 			++browser->index;  in ui_browser__run()
426 			if (browser->index == browser->top_idx + browser->rows) {  in ui_browser__run()
427 				++browser->top_idx;  in ui_browser__run()
428 				browser->seek(browser, +1, SEEK_CUR);  in ui_browser__run()
432 			if (browser->index == 0)  in ui_browser__run()
434 			--browser->index;  in ui_browser__run()
435 			if (browser->index < browser->top_idx) {  in ui_browser__run()
436 				--browser->top_idx;  in ui_browser__run()
437 				browser->seek(browser, -1, SEEK_CUR);  in ui_browser__run()
441 			if (!browser->columns)  in ui_browser__run()
443 			if (browser->horiz_scroll < browser->columns - 1)  in ui_browser__run()
444 				++browser->horiz_scroll;  in ui_browser__run()
447 			if (!browser->columns)  in ui_browser__run()
449 			if (browser->horiz_scroll != 0)  in ui_browser__run()
450 				--browser->horiz_scroll;  in ui_browser__run()
454 			if (browser->top_idx + browser->rows > browser->nr_entries - 1)  in ui_browser__run()
457 			offset = browser->rows;  in ui_browser__run()
458 			if (browser->index + offset > browser->nr_entries - 1)  in ui_browser__run()
459 				offset = browser->nr_entries - 1 - browser->index;  in ui_browser__run()
460 			browser->index += offset;  in ui_browser__run()
461 			browser->top_idx += offset;  in ui_browser__run()
462 			browser->seek(browser, +offset, SEEK_CUR);  in ui_browser__run()
465 			if (browser->top_idx == 0)  in ui_browser__run()
468 			if (browser->top_idx < browser->rows)  in ui_browser__run()
469 				offset = browser->top_idx;  in ui_browser__run()
471 				offset = browser->rows;  in ui_browser__run()
473 			browser->index -= offset;  in ui_browser__run()
474 			browser->top_idx -= offset;  in ui_browser__run()
475 			browser->seek(browser, -offset, SEEK_CUR);  in ui_browser__run()
478 			ui_browser__reset_index(browser);  in ui_browser__run()
481 			offset = browser->rows - 1;  in ui_browser__run()
482 			if (offset >= browser->nr_entries)  in ui_browser__run()
483 				offset = browser->nr_entries - 1;  in ui_browser__run()
485 			browser->index = browser->nr_entries - 1;  in ui_browser__run()
486 			browser->top_idx = browser->index - offset;  in ui_browser__run()
487 			browser->seek(browser, -offset, SEEK_END);  in ui_browser__run()
497 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)  in ui_browser__list_head_refresh()  argument
500 	struct list_head *head = browser->entries;  in ui_browser__list_head_refresh()
503 	if (browser->top == NULL || browser->top == browser->entries)  in ui_browser__list_head_refresh()
504                 browser->top = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_refresh()
506 	pos = browser->top;  in ui_browser__list_head_refresh()
509 		if (!browser->filter || !browser->filter(browser, pos)) {  in ui_browser__list_head_refresh()
510 			ui_browser__gotorc(browser, row, 0);  in ui_browser__list_head_refresh()
511 			browser->write(browser, pos, row);  in ui_browser__list_head_refresh()
512 			if (++row == browser->rows)  in ui_browser__list_head_refresh()
607 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__argv_seek()  argument
611 		browser->top = browser->entries;  in ui_browser__argv_seek()
614 		browser->top = browser->top + browser->top_idx + offset;  in ui_browser__argv_seek()
617 		browser->top = browser->top + browser->nr_entries - 1 + offset;  in ui_browser__argv_seek()
624 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)  in ui_browser__argv_refresh()  argument
626 	unsigned int row = 0, idx = browser->top_idx;  in ui_browser__argv_refresh()
629 	if (browser->top == NULL)  in ui_browser__argv_refresh()
630 		browser->top = browser->entries;  in ui_browser__argv_refresh()
632 	pos = (char **)browser->top;  in ui_browser__argv_refresh()
633 	while (idx < browser->nr_entries) {  in ui_browser__argv_refresh()
634 		if (!browser->filter || !browser->filter(browser, *pos)) {  in ui_browser__argv_refresh()
635 			ui_browser__gotorc(browser, row, 0);  in ui_browser__argv_refresh()
636 			browser->write(browser, pos, row);  in ui_browser__argv_refresh()
637 			if (++row == browser->rows)  in ui_browser__argv_refresh()
648 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,  in __ui_browser__vline()  argument
652 	ui_browser__gotorc(browser, start, column);  in __ui_browser__vline()
657 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,  in ui_browser__write_graph()
665 static void __ui_browser__line_arrow_up(struct ui_browser *browser,  in __ui_browser__line_arrow_up()  argument
673 	if (start < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_up()
674 		row = start - browser->top_idx;  in __ui_browser__line_arrow_up()
675 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_up()
677 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_up()
683 		row = browser->rows - 1;  in __ui_browser__line_arrow_up()
685 	if (end > browser->top_idx)  in __ui_browser__line_arrow_up()
686 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_up()
690 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
693 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
694 	if (end >= browser->top_idx) {  in __ui_browser__line_arrow_up()
696 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_up()
698 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_up()
705 static void __ui_browser__line_arrow_down(struct ui_browser *browser,  in __ui_browser__line_arrow_down()  argument
713 	if (start >= browser->top_idx) {  in __ui_browser__line_arrow_down()
714 		row = start - browser->top_idx;  in __ui_browser__line_arrow_down()
715 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
717 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_down()
725 	if (end >= browser->top_idx + browser->rows)  in __ui_browser__line_arrow_down()
726 		end_row = browser->rows - 1;  in __ui_browser__line_arrow_down()
728 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_down()
730 	ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
733 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_down()
734 	if (end < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_down()
736 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_down()
738 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_down()
745 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,  in __ui_browser__line_arrow()  argument
749 		__ui_browser__line_arrow_up(browser, column, start, end);  in __ui_browser__line_arrow()
751 		__ui_browser__line_arrow_down(browser, column, start, end);  in __ui_browser__line_arrow()
754 void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column,  in ui_browser__mark_fused()  argument
759 	if (row >= browser->top_idx)  in ui_browser__mark_fused()
760 		end_row = row - browser->top_idx;  in ui_browser__mark_fused()
767 		ui_browser__gotorc(browser, end_row, column - 1);  in ui_browser__mark_fused()
769 		ui_browser__gotorc(browser, end_row, column);  in ui_browser__mark_fused()
771 		ui_browser__gotorc(browser, end_row + 1, column - 1);  in ui_browser__mark_fused()
774 		ui_browser__gotorc(browser, end_row, column - 1);  in ui_browser__mark_fused()
776 		ui_browser__gotorc(browser, end_row, column);  in ui_browser__mark_fused()