17 static int ui_browser__percent_color(struct ui_browser *browser,  in ui_browser__percent_color()  argument
20 	if (current && (!browser->use_navkeypressed || browser->navkeypressed))  in ui_browser__percent_color()
29 int ui_browser__set_color(struct ui_browser *browser, int color)  in ui_browser__set_color()  argument
31 	int ret = browser->current_color;  in ui_browser__set_color()
32 	browser->current_color = color;  in ui_browser__set_color()
37 void ui_browser__set_percent_color(struct ui_browser *browser,  in ui_browser__set_percent_color()  argument
40 	 int color = ui_browser__percent_color(browser, percent, current);  in ui_browser__set_percent_color()
41 	 ui_browser__set_color(browser, color);  in ui_browser__set_percent_color()
44 void ui_browser__gotorc(struct ui_browser *browser, int y, int x)  in ui_browser__gotorc()  argument
46 	SLsmg_gotorc(browser->y + y, browser->x + x);  in ui_browser__gotorc()
50 ui_browser__list_head_filter_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_entries()  argument
54 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_entries()
57 	} while (pos != browser->entries);  in ui_browser__list_head_filter_entries()
63 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_prev_entries()  argument
67 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_prev_entries()
70 	} while (pos != browser->entries);  in ui_browser__list_head_filter_prev_entries()
75 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__list_head_seek()  argument
77 	struct list_head *head = browser->entries;  in ui_browser__list_head_seek()
80 	if (browser->nr_entries == 0)  in ui_browser__list_head_seek()
85 		pos = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_seek()
88 		pos = browser->top;  in ui_browser__list_head_seek()
91 		pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);  in ui_browser__list_head_seek()
101 			pos = ui_browser__list_head_filter_entries(browser, pos->next);  in ui_browser__list_head_seek()
104 			pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);  in ui_browser__list_head_seek()
107 	browser->top = pos;  in ui_browser__list_head_seek()
110 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__rb_tree_seek()  argument
112 	struct rb_root *root = browser->entries;  in ui_browser__rb_tree_seek()
120 		nd = browser->top;  in ui_browser__rb_tree_seek()
137 	browser->top = nd;  in ui_browser__rb_tree_seek()
140 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)  in ui_browser__rb_tree_refresh()  argument
145 	if (browser->top == NULL)  in ui_browser__rb_tree_refresh()
146                 browser->top = rb_first(browser->entries);  in ui_browser__rb_tree_refresh()
148 	nd = browser->top;  in ui_browser__rb_tree_refresh()
151 		ui_browser__gotorc(browser, row, 0);  in ui_browser__rb_tree_refresh()
152 		browser->write(browser, nd, row);  in ui_browser__rb_tree_refresh()
153 		if (++row == browser->rows)  in ui_browser__rb_tree_refresh()
161 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)  in ui_browser__is_current_entry()  argument
163 	return browser->top_idx + row == browser->index;  in ui_browser__is_current_entry()
166 void ui_browser__refresh_dimensions(struct ui_browser *browser)  in ui_browser__refresh_dimensions()  argument
168 	browser->width = SLtt_Screen_Cols - 1;  in ui_browser__refresh_dimensions()
169 	browser->height = browser->rows = SLtt_Screen_Rows - 2;  in ui_browser__refresh_dimensions()
170 	browser->y = 1;  in ui_browser__refresh_dimensions()
171 	browser->x = 0;  in ui_browser__refresh_dimensions()
174 void ui_browser__handle_resize(struct ui_browser *browser)  in ui_browser__handle_resize()  argument
177 	ui_browser__show(browser, browser->title, ui_helpline__current);  in ui_browser__handle_resize()
178 	ui_browser__refresh(browser);  in ui_browser__handle_resize()
181 int ui_browser__warning(struct ui_browser *browser, int timeout,  in ui_browser__warning()  argument
200 			ui_browser__handle_resize(browser);  in ui_browser__warning()
207 int ui_browser__help_window(struct ui_browser *browser, const char *text)  in ui_browser__help_window()  argument
212 		ui_browser__handle_resize(browser);  in ui_browser__help_window()
217 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)  in ui_browser__dialog_yesno()  argument
222 		ui_browser__handle_resize(browser);  in ui_browser__dialog_yesno()
227 void ui_browser__reset_index(struct ui_browser *browser)  in ui_browser__reset_index()  argument
229 	browser->index = browser->top_idx = 0;  in ui_browser__reset_index()
230 	browser->seek(browser, 0, SEEK_SET);  in ui_browser__reset_index()
233 void __ui_browser__show_title(struct ui_browser *browser, const char *title)  in __ui_browser__show_title()  argument
236 	ui_browser__set_color(browser, HE_COLORSET_ROOT);  in __ui_browser__show_title()
237 	slsmg_write_nstring(title, browser->width + 1);  in __ui_browser__show_title()
240 void ui_browser__show_title(struct ui_browser *browser, const char *title)  in ui_browser__show_title()  argument
243 	__ui_browser__show_title(browser, title);  in ui_browser__show_title()
247 int ui_browser__show(struct ui_browser *browser, const char *title,  in ui_browser__show()  argument
253 	if (browser->refresh_dimensions == NULL)  in ui_browser__show()
254 		browser->refresh_dimensions = ui_browser__refresh_dimensions;  in ui_browser__show()
256 	browser->refresh_dimensions(browser);  in ui_browser__show()
259 	__ui_browser__show_title(browser, title);  in ui_browser__show()
261 	browser->title = title;  in ui_browser__show()
262 	zfree(&browser->helpline);  in ui_browser__show()
265 	err = vasprintf(&browser->helpline, helpline, ap);  in ui_browser__show()
268 		ui_helpline__push(browser->helpline);  in ui_browser__show()
273 void ui_browser__hide(struct ui_browser *browser)  in ui_browser__hide()  argument
277 	zfree(&browser->helpline);  in ui_browser__hide()
281 static void ui_browser__scrollbar_set(struct ui_browser *browser)  in ui_browser__scrollbar_set()  argument
283 	int height = browser->height, h = 0, pct = 0,  in ui_browser__scrollbar_set()
284 	    col = browser->width,  in ui_browser__scrollbar_set()
287 	if (browser->nr_entries > 1) {  in ui_browser__scrollbar_set()
288 		pct = ((browser->index * (browser->height - 1)) /  in ui_browser__scrollbar_set()
289 		       (browser->nr_entries - 1));  in ui_browser__scrollbar_set()
295 	        ui_browser__gotorc(browser, row++, col);  in ui_browser__scrollbar_set()
303 static int __ui_browser__refresh(struct ui_browser *browser)  in __ui_browser__refresh()  argument
306 	int width = browser->width;  in __ui_browser__refresh()
308 	row = browser->refresh(browser);  in __ui_browser__refresh()
309 	ui_browser__set_color(browser, HE_COLORSET_NORMAL);  in __ui_browser__refresh()
311 	if (!browser->use_navkeypressed || browser->navkeypressed)  in __ui_browser__refresh()
312 		ui_browser__scrollbar_set(browser);  in __ui_browser__refresh()
316 	SLsmg_fill_region(browser->y + row, browser->x,  in __ui_browser__refresh()
317 			  browser->height - row, width, ' ');  in __ui_browser__refresh()
322 int ui_browser__refresh(struct ui_browser *browser)  in ui_browser__refresh()  argument
325 	__ui_browser__refresh(browser);  in ui_browser__refresh()
337 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)  in ui_browser__update_nr_entries()  argument
339 	off_t offset = nr_entries - browser->nr_entries;  in ui_browser__update_nr_entries()
341 	browser->nr_entries = nr_entries;  in ui_browser__update_nr_entries()
344 		if (browser->top_idx < (u64)-offset)  in ui_browser__update_nr_entries()
345 			offset = -browser->top_idx;  in ui_browser__update_nr_entries()
347 		browser->index += offset;  in ui_browser__update_nr_entries()
348 		browser->top_idx += offset;  in ui_browser__update_nr_entries()
351 	browser->top = NULL;  in ui_browser__update_nr_entries()
352 	browser->seek(browser, browser->top_idx, SEEK_SET);  in ui_browser__update_nr_entries()
355 int ui_browser__run(struct ui_browser *browser, int delay_secs)  in ui_browser__run()  argument
363 		err = __ui_browser__refresh(browser);  in ui_browser__run()
373 			browser->refresh_dimensions(browser);  in ui_browser__run()
374 			__ui_browser__show_title(browser, browser->title);  in ui_browser__run()
375 			ui_helpline__puts(browser->helpline);  in ui_browser__run()
379 		if (browser->use_navkeypressed && !browser->navkeypressed) {  in ui_browser__run()
384 				browser->navkeypressed = true;  in ui_browser__run()
392 			if (browser->index == browser->nr_entries - 1)  in ui_browser__run()
394 			++browser->index;  in ui_browser__run()
395 			if (browser->index == browser->top_idx + browser->rows) {  in ui_browser__run()
396 				++browser->top_idx;  in ui_browser__run()
397 				browser->seek(browser, +1, SEEK_CUR);  in ui_browser__run()
401 			if (browser->index == 0)  in ui_browser__run()
403 			--browser->index;  in ui_browser__run()
404 			if (browser->index < browser->top_idx) {  in ui_browser__run()
405 				--browser->top_idx;  in ui_browser__run()
406 				browser->seek(browser, -1, SEEK_CUR);  in ui_browser__run()
411 			if (browser->top_idx + browser->rows > browser->nr_entries - 1)  in ui_browser__run()
414 			offset = browser->rows;  in ui_browser__run()
415 			if (browser->index + offset > browser->nr_entries - 1)  in ui_browser__run()
416 				offset = browser->nr_entries - 1 - browser->index;  in ui_browser__run()
417 			browser->index += offset;  in ui_browser__run()
418 			browser->top_idx += offset;  in ui_browser__run()
419 			browser->seek(browser, +offset, SEEK_CUR);  in ui_browser__run()
422 			if (browser->top_idx == 0)  in ui_browser__run()
425 			if (browser->top_idx < browser->rows)  in ui_browser__run()
426 				offset = browser->top_idx;  in ui_browser__run()
428 				offset = browser->rows;  in ui_browser__run()
430 			browser->index -= offset;  in ui_browser__run()
431 			browser->top_idx -= offset;  in ui_browser__run()
432 			browser->seek(browser, -offset, SEEK_CUR);  in ui_browser__run()
435 			ui_browser__reset_index(browser);  in ui_browser__run()
438 			offset = browser->rows - 1;  in ui_browser__run()
439 			if (offset >= browser->nr_entries)  in ui_browser__run()
440 				offset = browser->nr_entries - 1;  in ui_browser__run()
442 			browser->index = browser->nr_entries - 1;  in ui_browser__run()
443 			browser->top_idx = browser->index - offset;  in ui_browser__run()
444 			browser->seek(browser, -offset, SEEK_END);  in ui_browser__run()
453 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)  in ui_browser__list_head_refresh()  argument
456 	struct list_head *head = browser->entries;  in ui_browser__list_head_refresh()
459 	if (browser->top == NULL || browser->top == browser->entries)  in ui_browser__list_head_refresh()
460                 browser->top = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_refresh()
462 	pos = browser->top;  in ui_browser__list_head_refresh()
465 		if (!browser->filter || !browser->filter(browser, pos)) {  in ui_browser__list_head_refresh()
466 			ui_browser__gotorc(browser, row, 0);  in ui_browser__list_head_refresh()
467 			browser->write(browser, pos, row);  in ui_browser__list_head_refresh()
468 			if (++row == browser->rows)  in ui_browser__list_head_refresh()
563 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__argv_seek()  argument
567 		browser->top = browser->entries;  in ui_browser__argv_seek()
570 		browser->top = browser->top + browser->top_idx + offset;  in ui_browser__argv_seek()
573 		browser->top = browser->top + browser->nr_entries - 1 + offset;  in ui_browser__argv_seek()
580 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)  in ui_browser__argv_refresh()  argument
582 	unsigned int row = 0, idx = browser->top_idx;  in ui_browser__argv_refresh()
585 	if (browser->top == NULL)  in ui_browser__argv_refresh()
586 		browser->top = browser->entries;  in ui_browser__argv_refresh()
588 	pos = (char **)browser->top;  in ui_browser__argv_refresh()
589 	while (idx < browser->nr_entries) {  in ui_browser__argv_refresh()
590 		if (!browser->filter || !browser->filter(browser, *pos)) {  in ui_browser__argv_refresh()
591 			ui_browser__gotorc(browser, row, 0);  in ui_browser__argv_refresh()
592 			browser->write(browser, pos, row);  in ui_browser__argv_refresh()
593 			if (++row == browser->rows)  in ui_browser__argv_refresh()
604 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,  in __ui_browser__vline()  argument
608 	ui_browser__gotorc(browser, start, column);  in __ui_browser__vline()
613 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,  in ui_browser__write_graph()
621 static void __ui_browser__line_arrow_up(struct ui_browser *browser,  in __ui_browser__line_arrow_up()  argument
629 	if (start < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_up()
630 		row = start - browser->top_idx;  in __ui_browser__line_arrow_up()
631 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_up()
633 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_up()
639 		row = browser->rows - 1;  in __ui_browser__line_arrow_up()
641 	if (end > browser->top_idx)  in __ui_browser__line_arrow_up()
642 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_up()
646 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
649 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
650 	if (end >= browser->top_idx) {  in __ui_browser__line_arrow_up()
652 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_up()
654 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_up()
661 static void __ui_browser__line_arrow_down(struct ui_browser *browser,  in __ui_browser__line_arrow_down()  argument
669 	if (start >= browser->top_idx) {  in __ui_browser__line_arrow_down()
670 		row = start - browser->top_idx;  in __ui_browser__line_arrow_down()
671 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
673 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_down()
681 	if (end >= browser->top_idx + browser->rows)  in __ui_browser__line_arrow_down()
682 		end_row = browser->rows - 1;  in __ui_browser__line_arrow_down()
684 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_down()
686 	ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
689 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_down()
690 	if (end < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_down()
692 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_down()
694 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_down()
701 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,  in __ui_browser__line_arrow()  argument
705 		__ui_browser__line_arrow_up(browser, column, start, end);  in __ui_browser__line_arrow()
707 		__ui_browser__line_arrow_down(browser, column, start, end);  in __ui_browser__line_arrow()