46 menu_driver(MENU *menu, int c)  in menu_driver()  argument
53 	if (menu == NULL)  in menu_driver()
55 	if (menu->posted == 0)  in menu_driver()
57 	if (menu->items == NULL)  in menu_driver()
59 	if (*menu->items == NULL)  in menu_driver()
61 	if (menu->in_init == 1)  in menu_driver()
65 	if (menu->items[menu->cur_item] == NULL)  in menu_driver()
68 	drv_new_item = menu->items[menu->cur_item];  in menu_driver()
69 	it = menu->cur_item;  in menu_driver()
70 	drv_top_row = menu->top_row;  in menu_driver()
80 			    && (menu->pattern == NULL))  in menu_driver()
82 			free(menu->pattern);  in menu_driver()
83 			menu->pattern = NULL;  in menu_driver()
84 			menu->plen = 0;  in menu_driver()
85 			menu->match_len = 0;  in menu_driver()
109 			  if ((drv_top_row + menu->rows - 1)> menu->item_rows)  in menu_driver()
114 			  drv_scroll = menu->item_rows - menu->rows  in menu_driver()
115 				  - menu->top_row;  in menu_driver()
116 			  if (drv_scroll > menu->rows) {  in menu_driver()
117 				  drv_scroll = menu->rows;  in menu_driver()
129 			  if (menu->rows < menu->top_row) {  in menu_driver()
130 				  drv_scroll = menu->rows;  in menu_driver()
132 				  drv_scroll = menu->top_row;  in menu_driver()
142 			  drv_new_item = menu->items[0];  in menu_driver()
145 			  drv_new_item = menu->items[menu->item_count - 1];  in menu_driver()
148 			  if ((menu->cur_item + 1) >= menu->item_count) {  in menu_driver()
149 				  if ((menu->opts & O_NONCYCLIC)  in menu_driver()
153 					  drv_new_item = menu->items[0];  in menu_driver()
157 					  menu->items[menu->cur_item + 1];  in menu_driver()
161 			  if (menu->cur_item == 0) {  in menu_driver()
162 				  if ((menu->opts & O_NONCYCLIC)  in menu_driver()
166 					  drv_new_item = menu->items[  in menu_driver()
167 						  menu->item_count - 1];  in menu_driver()
171 					  menu->items[menu->cur_item - 1];  in menu_driver()
175 			  if ((menu->opts & (O_RADIO | O_ONEVALUE)) != 0) {  in menu_driver()
176 			      if ((menu->opts & O_RADIO) == O_RADIO) {  in menu_driver()
186 			          for (i = 0; i < menu->item_count; i++) {  in menu_driver()
187 				      if ((menu->items[i]->selected) &&  in menu_driver()
189 				          menu->items[i]->selected ^= 1;  in menu_driver()
190 					  _menui_draw_item(menu,  in menu_driver()
191 						menu->items[i]->index);  in menu_driver()
197 				  _menui_draw_item(menu, drv_new_item->index);  in menu_driver()
207 					  _menui_draw_item(menu,  in menu_driver()
219 			  if (menu->pattern == NULL)  in menu_driver()
222 			  if (menu->plen == 0)  in menu_driver()
224 			  menu->pattern[menu->plen--] = '\0';  in menu_driver()
227 			  if (menu->pattern == NULL)  in menu_driver()
230 			  status = _menui_match_pattern(menu, 0,  in menu_driver()
233 			  drv_new_item = menu->items[it];  in menu_driver()
236 			  if (menu->pattern == NULL)  in menu_driver()
239 			  status = _menui_match_pattern(menu, 0,  in menu_driver()
242 			  drv_new_item = menu->items[it];  in menu_driver()
250 		status = _menui_match_pattern(menu, (unsigned char) c,  in menu_driver()
252 		drv_new_item = menu->items[it];  in menu_driver()
260 		if ((drv_new_item->index == menu->cur_item)  in menu_driver()
261 		    && ((menu->opts & O_SHOWMATCH) == O_SHOWMATCH)) {  in menu_driver()
262 			pos_menu_cursor(menu);  in menu_driver()
275 	if (drv_new_item->row >= (drv_top_row + menu->rows))  in menu_driver()
276 		drv_top_row = drv_new_item->row - menu->rows + 1;  in menu_driver()
278 	if ((drv_new_item->index != menu->cur_item)  in menu_driver()
279 	    || (drv_top_row != menu->top_row))  in menu_driver()
280 		_menui_goto_item(menu, drv_new_item, drv_top_row);  in menu_driver()