1 // SPDX-License-Identifier: GPL-2.0+
3  *  checklist.c -- implements the checklist box
6  *     Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension
7  *     Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two
23 	strncpy(list_item, item_str(), list_width - item_x);  in print_item()
24 	list_item[list_width - item_x] = '\0';  in print_item()
60 		waddstr(win, "(-)");  in print_arrows()
72 	if ((height < item_no) && (scroll + choice < item_no - 1)) {  in print_arrows()
90 	int x = width / 2 - 11;  in print_buttons()
91 	int y = height - 2;  in print_buttons()
108 	int key = 0, button = 0, choice = 0, scroll = 0, max_choice;  in dialog_checklist()  local
123 		return -ERRDISPLAYTOOSMALL;  in dialog_checklist()
125 		return -ERRDISPLAYTOOSMALL;  in dialog_checklist()
130 	x = (getmaxx(stdscr) - width) / 2;  in dialog_checklist()
131 	y = (getmaxy(stdscr) - height) / 2;  in dialog_checklist()
141 	mvwaddch(dialog, height - 3, 0, ACS_LTEE);  in dialog_checklist()
142 	for (i = 0; i < width - 2; i++)  in dialog_checklist()
150 	print_autowrap(dialog, prompt, width - 2, 1, 3);  in dialog_checklist()
152 	list_width = width - 6;  in dialog_checklist()
153 	box_y = height - list_height - 5;  in dialog_checklist()
154 	box_x = (width - list_width) / 2 - 1;  in dialog_checklist()
172 	check_x = (list_width - check_x) / 2;  in dialog_checklist()
176 		scroll = choice - list_height + 1;  in dialog_checklist()
177 		choice -= scroll;  in dialog_checklist()
195 	while (key != KEY_ESC) {  in dialog_checklist()
196 		key = wgetch(dialog);  in dialog_checklist()
200 			if (toupper(key) == toupper(item_str()[0]))  in dialog_checklist()
204 		if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||  in dialog_checklist()
205 		    key == '+' || key == '-') {  in dialog_checklist()
206 			if (key == KEY_UP || key == '-') {  in dialog_checklist()
212 						/* De-highlight current first item */  in dialog_checklist()
216 						wscrl(list, -1);  in dialog_checklist()
219 					scroll--;  in dialog_checklist()
228 					continue;	/* wait for another key press */  in dialog_checklist()
230 					i = choice - 1;  in dialog_checklist()
231 			} else if (key == KEY_DOWN || key == '+') {  in dialog_checklist()
232 				if (choice == max_choice - 1) {  in dialog_checklist()
233 					if (scroll + choice >= item_count() - 1)  in dialog_checklist()
237 						/* De-highlight current last item before scrolling up */  in dialog_checklist()
238 						item_set(scroll + max_choice - 1);  in dialog_checklist()
240 							    max_choice - 1,  in dialog_checklist()
247 					item_set(scroll + max_choice - 1);  in dialog_checklist()
248 					print_item(list, max_choice - 1, TRUE);  in dialog_checklist()
256 					continue;	/* wait for another key press */  in dialog_checklist()
261 				/* De-highlight current item */  in dialog_checklist()
271 			continue;	/* wait for another key press */  in dialog_checklist()
273 		switch (key) {  in dialog_checklist()
278 			/* fall-through */  in dialog_checklist()
293 			button = ((key == KEY_LEFT ? --button : ++button) < 0)  in dialog_checklist()
301 			key = KEY_ESC;  in dialog_checklist()
304 			key = on_key_esc(dialog);  in dialog_checklist()
318 	return key;		/* ESC pressed */  in dialog_checklist()