ncurses/menu/m_driver.c

97 |                           ITEM **item)
100 |                    at an item with three different classes of characters:
102 |                         the current pattern and the next item matching
104 |                       - NUL; the pattern stays as it is and the next item
107 |                         item matching the pattern is searched
109 |                       The item parameter contains on call a pointer to
110 |                       the item where the search starts. On return - if
112 |                       matching item.
114 |   Return Values :  E_OK        - an item matching the pattern was found
119 (MENU * menu, int ch, ITEM ** item)
124   T((T_CALLED("_nc_Match_Next_Character(%p,%d,%p)"), menu, ch, item));
126   assert(menu && item && *item);
127   idx = (*item)->index;
137       /* we artificially position one item back, because in the do...while
138          loop we start with the next item. This means, that with a new
139          pattern search we always start the scan with the actual item. If
141          one after or before the actual item. */
172       if (!((idx == (*item)->index) && passed))
174 	  *item = menu->items[idx];
177       /* This point is reached, if we fully cycled through the item list
178          and the only match we found is the starting item. With a NEXT_PATTERN
182          item we will find it in the first attempt (passed==FALSE) and we
183          will never cycle through the whole item array.
214   if (!item->dir)\
217      item = item->dir
220   ITEM *item;
233   item = menu->curitem;
236   assert(item);
271 	  if (my_top_row == 0 || !(item->up))
276 	      item = item->up;
282 	  if ((my_top_row + menu->arows >= menu->rows) || !(item->down))
292 	      item = item->down;
306 	      while (rdiff-- > 0 && item != 0 && item->down != 0)
307 		item = item->down;
319 	      while (rdiff-- > 0 && item != 0 && item->up != 0)
320 		item = item->up;
326 	  item = menu->items[0];
331 	  item = menu->items[menu->nitems - 1];
336 	  if ((item->index + 1) >= menu->nitems)
341 		item = menu->items[0];
344 	    item = menu->items[item->index + 1];
349 	  if (item->index <= 0)
354 		item = menu->items[menu->nitems - 1];
357 	    item = menu->items[item->index - 1];
400 	    result = _nc_Match_Next_Character_In_Item_Name(menu, 0, &item);
403 	      if ((item->index + 1) < menu->nitems)
404 		item = menu->items[item->index + 1];
410 		    item = menu->items[0];
419 	    result = _nc_Match_Next_Character_In_Item_Name(menu, BS, &item);
422 	      if (item->index)
423 		item = menu->items[item->index - 1];
429 		    item = menu->items[menu->nitems - 1];
443 	result = _nc_Match_Next_Character_In_Item_Name(menu, c, &item);
489 		    {		/* Inside the area we try to find the hit item */
506 				      item = menu->items[i];
513 			    {	/* We found an item, now we can handle the click.
515 				 * to the clicked item. A double click toggles
516 				 * the item.
522 								 item);
541       /* Adjust the top row if it turns out that the current item unfortunately
543       if (item->y < my_top_row)
544 	my_top_row = item->y;
545       else if (item->y >= (my_top_row + menu->arows))
546 	my_top_row = item->y - menu->arows + 1;
548       _nc_New_TopRow_and_CurrentItem(menu, my_top_row, item);