39 menu_driver(MENU *m, int c)  in menu_driver()  argument
46 	if (!m) {  in menu_driver()
50 	if (Indriver(m)) {  in menu_driver()
53 	if (!Posted(m)) {  in menu_driver()
56 	top = Top(m);  in menu_driver()
57 	current = Current(m);  in menu_driver()
65 			Pindex(m) = 0;  in menu_driver()
66 			IthPattern(m, 0) = '\0';  in menu_driver()
113 			if (++top > Rows(m) - Height(m)) {  in menu_driver()
122 			n = min(Height(m), top);  in menu_driver()
135 			n = min(Height(m), Rows(m) - Height(m) - top);  in menu_driver()
148 			current = IthItem(m, 0);  in menu_driver()
152 			current = IthItem(m, Nitems(m)-1);  in menu_driver()
156 			if (IthPattern(m, 0) != NULL) {  in menu_driver()
157 				ret = _match(m, NULL, &current);  in menu_driver()
159 				if (Index(current)+1 >= Nitems(m)) {  in menu_driver()
160 					current = IthItem(m, 0);  in menu_driver()
162 					current = IthItem(m, Index(current)+1);  in menu_driver()
168 			if (Index(current)+1 >= Nitems(m)) {  in menu_driver()
169 				if (Cyclic(m)) {  in menu_driver()
170 					current = IthItem(m, 0);  in menu_driver()
175 				current = IthItem(m, Index(current)+1);  in menu_driver()
180 			if (IthPattern(m, 0) != NULL) {  in menu_driver()
181 				ret = _match(m, '\b', &current);  in menu_driver()
186 					current = IthItem(m, Nitems(m)-1);  in menu_driver()
188 					current = IthItem(m, Index(current)-1);  in menu_driver()
195 				if (Cyclic(m)) {  in menu_driver()
196 					current = IthItem(m, Nitems(m)-1);  in menu_driver()
201 				current = IthItem(m, Index(current)-1);  in menu_driver()
206 			if (!OneValue(m)) {  in menu_driver()
207 				if (Selectable(Current(m))) {  in menu_driver()
208 					Value(Current(m)) ^= TRUE;  in menu_driver()
209 					_move_post_item(m, Current(m));  in menu_driver()
210 					_show(m);  in menu_driver()
220 			if (Pindex(m) > 0) {  in menu_driver()
221 				Pindex(m) -= 1;  in menu_driver()
222 				IthPattern(m, Pindex(m)) = '\0';  in menu_driver()
223 				_position_cursor(m);  in menu_driver()
240 			ret = _match(m, c, &current);  in menu_driver()
248 	_chk_top(m, &top, current);  in menu_driver()
252 	_affect_change(m, top, current);  in menu_driver()