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()
49 void ui_browser__write_nstring(struct ui_browser *browser __maybe_unused, const char *msg,  in ui_browser__write_nstring()
55 void ui_browser__printf(struct ui_browser *browser __maybe_unused, const char *fmt, ...)  in ui_browser__printf()
65 ui_browser__list_head_filter_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_entries()  argument
69 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_entries()
72 	} while (pos != browser->entries);  in ui_browser__list_head_filter_entries()
78 ui_browser__list_head_filter_prev_entries(struct ui_browser *browser,  in ui_browser__list_head_filter_prev_entries()  argument
82 		if (!browser->filter || !browser->filter(browser, pos))  in ui_browser__list_head_filter_prev_entries()
85 	} while (pos != browser->entries);  in ui_browser__list_head_filter_prev_entries()
90 void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__list_head_seek()  argument
92 	struct list_head *head = browser->entries;  in ui_browser__list_head_seek()
95 	if (browser->nr_entries == 0)  in ui_browser__list_head_seek()
100 		pos = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_seek()
103 		pos = browser->top;  in ui_browser__list_head_seek()
106 		pos = ui_browser__list_head_filter_prev_entries(browser, head->prev);  in ui_browser__list_head_seek()
116 			pos = ui_browser__list_head_filter_entries(browser, pos->next);  in ui_browser__list_head_seek()
119 			pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev);  in ui_browser__list_head_seek()
122 	browser->top = pos;  in ui_browser__list_head_seek()
125 void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__rb_tree_seek()  argument
127 	struct rb_root *root = browser->entries;  in ui_browser__rb_tree_seek()
135 		nd = browser->top;  in ui_browser__rb_tree_seek()
152 	browser->top = nd;  in ui_browser__rb_tree_seek()
155 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser)  in ui_browser__rb_tree_refresh()  argument
160 	if (browser->top == NULL)  in ui_browser__rb_tree_refresh()
161                 browser->top = rb_first(browser->entries);  in ui_browser__rb_tree_refresh()
163 	nd = browser->top;  in ui_browser__rb_tree_refresh()
166 		ui_browser__gotorc(browser, row, 0);  in ui_browser__rb_tree_refresh()
167 		browser->write(browser, nd, row);  in ui_browser__rb_tree_refresh()
168 		if (++row == browser->rows)  in ui_browser__rb_tree_refresh()
176 bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row)  in ui_browser__is_current_entry()  argument
178 	return browser->top_idx + row == browser->index;  in ui_browser__is_current_entry()
181 void ui_browser__refresh_dimensions(struct ui_browser *browser)  in ui_browser__refresh_dimensions()  argument
183 	browser->width = SLtt_Screen_Cols - 1;  in ui_browser__refresh_dimensions()
184 	browser->height = browser->rows = SLtt_Screen_Rows - 2;  in ui_browser__refresh_dimensions()
185 	browser->y = 1;  in ui_browser__refresh_dimensions()
186 	browser->x = 0;  in ui_browser__refresh_dimensions()
189 void ui_browser__handle_resize(struct ui_browser *browser)  in ui_browser__handle_resize()  argument
192 	ui_browser__show(browser, browser->title, ui_helpline__current);  in ui_browser__handle_resize()
193 	ui_browser__refresh(browser);  in ui_browser__handle_resize()
196 int ui_browser__warning(struct ui_browser *browser, int timeout,  in ui_browser__warning()  argument
215 			ui_browser__handle_resize(browser);  in ui_browser__warning()
222 int ui_browser__help_window(struct ui_browser *browser, const char *text)  in ui_browser__help_window()  argument
227 		ui_browser__handle_resize(browser);  in ui_browser__help_window()
232 bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text)  in ui_browser__dialog_yesno()  argument
237 		ui_browser__handle_resize(browser);  in ui_browser__dialog_yesno()
242 void ui_browser__reset_index(struct ui_browser *browser)  in ui_browser__reset_index()  argument
244 	browser->index = browser->top_idx = 0;  in ui_browser__reset_index()
245 	browser->seek(browser, 0, SEEK_SET);  in ui_browser__reset_index()
248 void __ui_browser__show_title(struct ui_browser *browser, const char *title)  in __ui_browser__show_title()  argument
251 	ui_browser__set_color(browser, HE_COLORSET_ROOT);  in __ui_browser__show_title()
252 	ui_browser__write_nstring(browser, title, browser->width + 1);  in __ui_browser__show_title()
255 void ui_browser__show_title(struct ui_browser *browser, const char *title)  in ui_browser__show_title()  argument
258 	__ui_browser__show_title(browser, title);  in ui_browser__show_title()
262 int ui_browser__show(struct ui_browser *browser, const char *title,  in ui_browser__show()  argument
268 	if (browser->refresh_dimensions == NULL)  in ui_browser__show()
269 		browser->refresh_dimensions = ui_browser__refresh_dimensions;  in ui_browser__show()
271 	browser->refresh_dimensions(browser);  in ui_browser__show()
274 	__ui_browser__show_title(browser, title);  in ui_browser__show()
276 	browser->title = title;  in ui_browser__show()
277 	zfree(&browser->helpline);  in ui_browser__show()
280 	err = vasprintf(&browser->helpline, helpline, ap);  in ui_browser__show()
283 		ui_helpline__push(browser->helpline);  in ui_browser__show()
288 void ui_browser__hide(struct ui_browser *browser)  in ui_browser__hide()  argument
292 	zfree(&browser->helpline);  in ui_browser__hide()
296 static void ui_browser__scrollbar_set(struct ui_browser *browser)  in ui_browser__scrollbar_set()  argument
298 	int height = browser->height, h = 0, pct = 0,  in ui_browser__scrollbar_set()
299 	    col = browser->width,  in ui_browser__scrollbar_set()
302 	if (browser->nr_entries > 1) {  in ui_browser__scrollbar_set()
303 		pct = ((browser->index * (browser->height - 1)) /  in ui_browser__scrollbar_set()
304 		       (browser->nr_entries - 1));  in ui_browser__scrollbar_set()
310 	        ui_browser__gotorc(browser, row++, col);  in ui_browser__scrollbar_set()
318 static int __ui_browser__refresh(struct ui_browser *browser)  in __ui_browser__refresh()  argument
321 	int width = browser->width;  in __ui_browser__refresh()
323 	row = browser->refresh(browser);  in __ui_browser__refresh()
324 	ui_browser__set_color(browser, HE_COLORSET_NORMAL);  in __ui_browser__refresh()
326 	if (!browser->use_navkeypressed || browser->navkeypressed)  in __ui_browser__refresh()
327 		ui_browser__scrollbar_set(browser);  in __ui_browser__refresh()
331 	SLsmg_fill_region(browser->y + row, browser->x,  in __ui_browser__refresh()
332 			  browser->height - row, width, ' ');  in __ui_browser__refresh()
337 int ui_browser__refresh(struct ui_browser *browser)  in ui_browser__refresh()  argument
340 	__ui_browser__refresh(browser);  in ui_browser__refresh()
352 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)  in ui_browser__update_nr_entries()  argument
354 	off_t offset = nr_entries - browser->nr_entries;  in ui_browser__update_nr_entries()
356 	browser->nr_entries = nr_entries;  in ui_browser__update_nr_entries()
359 		if (browser->top_idx < (u64)-offset)  in ui_browser__update_nr_entries()
360 			offset = -browser->top_idx;  in ui_browser__update_nr_entries()
362 		browser->index += offset;  in ui_browser__update_nr_entries()
363 		browser->top_idx += offset;  in ui_browser__update_nr_entries()
366 	browser->top = NULL;  in ui_browser__update_nr_entries()
367 	browser->seek(browser, browser->top_idx, SEEK_SET);  in ui_browser__update_nr_entries()
370 int ui_browser__run(struct ui_browser *browser, int delay_secs)  in ui_browser__run()  argument
378 		err = __ui_browser__refresh(browser);  in ui_browser__run()
388 			browser->refresh_dimensions(browser);  in ui_browser__run()
389 			__ui_browser__show_title(browser, browser->title);  in ui_browser__run()
390 			ui_helpline__puts(browser->helpline);  in ui_browser__run()
394 		if (browser->use_navkeypressed && !browser->navkeypressed) {  in ui_browser__run()
396 			    (browser->columns && (key == K_LEFT || key == K_RIGHT)) ||  in ui_browser__run()
400 				browser->navkeypressed = true;  in ui_browser__run()
408 			if (browser->index == browser->nr_entries - 1)  in ui_browser__run()
410 			++browser->index;  in ui_browser__run()
411 			if (browser->index == browser->top_idx + browser->rows) {  in ui_browser__run()
412 				++browser->top_idx;  in ui_browser__run()
413 				browser->seek(browser, +1, SEEK_CUR);  in ui_browser__run()
417 			if (browser->index == 0)  in ui_browser__run()
419 			--browser->index;  in ui_browser__run()
420 			if (browser->index < browser->top_idx) {  in ui_browser__run()
421 				--browser->top_idx;  in ui_browser__run()
422 				browser->seek(browser, -1, SEEK_CUR);  in ui_browser__run()
426 			if (!browser->columns)  in ui_browser__run()
428 			if (browser->horiz_scroll < browser->columns - 1)  in ui_browser__run()
429 				++browser->horiz_scroll;  in ui_browser__run()
432 			if (!browser->columns)  in ui_browser__run()
434 			if (browser->horiz_scroll != 0)  in ui_browser__run()
435 				--browser->horiz_scroll;  in ui_browser__run()
439 			if (browser->top_idx + browser->rows > browser->nr_entries - 1)  in ui_browser__run()
442 			offset = browser->rows;  in ui_browser__run()
443 			if (browser->index + offset > browser->nr_entries - 1)  in ui_browser__run()
444 				offset = browser->nr_entries - 1 - browser->index;  in ui_browser__run()
445 			browser->index += offset;  in ui_browser__run()
446 			browser->top_idx += offset;  in ui_browser__run()
447 			browser->seek(browser, +offset, SEEK_CUR);  in ui_browser__run()
450 			if (browser->top_idx == 0)  in ui_browser__run()
453 			if (browser->top_idx < browser->rows)  in ui_browser__run()
454 				offset = browser->top_idx;  in ui_browser__run()
456 				offset = browser->rows;  in ui_browser__run()
458 			browser->index -= offset;  in ui_browser__run()
459 			browser->top_idx -= offset;  in ui_browser__run()
460 			browser->seek(browser, -offset, SEEK_CUR);  in ui_browser__run()
463 			ui_browser__reset_index(browser);  in ui_browser__run()
466 			offset = browser->rows - 1;  in ui_browser__run()
467 			if (offset >= browser->nr_entries)  in ui_browser__run()
468 				offset = browser->nr_entries - 1;  in ui_browser__run()
470 			browser->index = browser->nr_entries - 1;  in ui_browser__run()
471 			browser->top_idx = browser->index - offset;  in ui_browser__run()
472 			browser->seek(browser, -offset, SEEK_END);  in ui_browser__run()
482 unsigned int ui_browser__list_head_refresh(struct ui_browser *browser)  in ui_browser__list_head_refresh()  argument
485 	struct list_head *head = browser->entries;  in ui_browser__list_head_refresh()
488 	if (browser->top == NULL || browser->top == browser->entries)  in ui_browser__list_head_refresh()
489                 browser->top = ui_browser__list_head_filter_entries(browser, head->next);  in ui_browser__list_head_refresh()
491 	pos = browser->top;  in ui_browser__list_head_refresh()
494 		if (!browser->filter || !browser->filter(browser, pos)) {  in ui_browser__list_head_refresh()
495 			ui_browser__gotorc(browser, row, 0);  in ui_browser__list_head_refresh()
496 			browser->write(browser, pos, row);  in ui_browser__list_head_refresh()
497 			if (++row == browser->rows)  in ui_browser__list_head_refresh()
592 void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)  in ui_browser__argv_seek()  argument
596 		browser->top = browser->entries;  in ui_browser__argv_seek()
599 		browser->top = browser->top + browser->top_idx + offset;  in ui_browser__argv_seek()
602 		browser->top = browser->top + browser->nr_entries - 1 + offset;  in ui_browser__argv_seek()
609 unsigned int ui_browser__argv_refresh(struct ui_browser *browser)  in ui_browser__argv_refresh()  argument
611 	unsigned int row = 0, idx = browser->top_idx;  in ui_browser__argv_refresh()
614 	if (browser->top == NULL)  in ui_browser__argv_refresh()
615 		browser->top = browser->entries;  in ui_browser__argv_refresh()
617 	pos = (char **)browser->top;  in ui_browser__argv_refresh()
618 	while (idx < browser->nr_entries) {  in ui_browser__argv_refresh()
619 		if (!browser->filter || !browser->filter(browser, *pos)) {  in ui_browser__argv_refresh()
620 			ui_browser__gotorc(browser, row, 0);  in ui_browser__argv_refresh()
621 			browser->write(browser, pos, row);  in ui_browser__argv_refresh()
622 			if (++row == browser->rows)  in ui_browser__argv_refresh()
633 void __ui_browser__vline(struct ui_browser *browser, unsigned int column,  in __ui_browser__vline()  argument
637 	ui_browser__gotorc(browser, start, column);  in __ui_browser__vline()
642 void ui_browser__write_graph(struct ui_browser *browser __maybe_unused,  in ui_browser__write_graph()
650 static void __ui_browser__line_arrow_up(struct ui_browser *browser,  in __ui_browser__line_arrow_up()  argument
658 	if (start < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_up()
659 		row = start - browser->top_idx;  in __ui_browser__line_arrow_up()
660 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_up()
662 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_up()
668 		row = browser->rows - 1;  in __ui_browser__line_arrow_up()
670 	if (end > browser->top_idx)  in __ui_browser__line_arrow_up()
671 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_up()
675 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
678 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_up()
679 	if (end >= browser->top_idx) {  in __ui_browser__line_arrow_up()
681 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_up()
683 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_up()
690 static void __ui_browser__line_arrow_down(struct ui_browser *browser,  in __ui_browser__line_arrow_down()  argument
698 	if (start >= browser->top_idx) {  in __ui_browser__line_arrow_down()
699 		row = start - browser->top_idx;  in __ui_browser__line_arrow_down()
700 		ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
702 		ui_browser__gotorc(browser, row, column + 1);  in __ui_browser__line_arrow_down()
710 	if (end >= browser->top_idx + browser->rows)  in __ui_browser__line_arrow_down()
711 		end_row = browser->rows - 1;  in __ui_browser__line_arrow_down()
713 		end_row = end - browser->top_idx;  in __ui_browser__line_arrow_down()
715 	ui_browser__gotorc(browser, row, column);  in __ui_browser__line_arrow_down()
718 	ui_browser__gotorc(browser, end_row, column);  in __ui_browser__line_arrow_down()
719 	if (end < browser->top_idx + browser->rows) {  in __ui_browser__line_arrow_down()
721 		ui_browser__gotorc(browser, end_row, column + 1);  in __ui_browser__line_arrow_down()
723 		ui_browser__gotorc(browser, end_row, column + 2);  in __ui_browser__line_arrow_down()
730 void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,  in __ui_browser__line_arrow()  argument
734 		__ui_browser__line_arrow_up(browser, column, start, end);  in __ui_browser__line_arrow()
736 		__ui_browser__line_arrow_down(browser, column, start, end);  in __ui_browser__line_arrow()