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)
125      (void *)menu, ch, (void *)item));
127   assert(menu && item && *item);
128   idx = (*item)->index;
138       /* we artificially position one item back, because in the do...while
139          loop we start with the next item. This means, that with a new
140          pattern search we always start the scan with the actual item. If
142          one after or before the actual item. */
173       if (!((idx == (*item)->index) && passed))
175 	  *item = menu->items[idx];
178       /* This point is reached, if we fully cycled through the item list
179          and the only match we found is the starting item. With a NEXT_PATTERN
183          item we will find it in the first attempt (passed==FALSE) and we
184          will never cycle through the whole item array.
215   if (!item->dir)\
218      item = item->dir
221   ITEM *item;
234   item = menu->curitem;
237   assert(item);
272 	  if (my_top_row == 0 || !(item->up))
277 	      item = item->up;
283 	  if ((my_top_row + menu->arows >= menu->rows) || !(item->down))
293 	      item = item->down;
307 	      while (rdiff-- > 0 && item != 0 && item->down != 0)
308 		item = item->down;
320 	      while (rdiff-- > 0 && item != 0 && item->up != 0)
321 		item = item->up;
327 	  item = menu->items[0];
332 	  item = menu->items[menu->nitems - 1];
337 	  if ((item->index + 1) >= menu->nitems)
342 		item = menu->items[0];
345 	    item = menu->items[item->index + 1];
350 	  if (item->index <= 0)
355 		item = menu->items[menu->nitems - 1];
358 	    item = menu->items[item->index - 1];
401 	    result = _nc_Match_Next_Character_In_Item_Name(menu, 0, &item);
404 	      if ((item->index + 1) < menu->nitems)
405 		item = menu->items[item->index + 1];
411 		    item = menu->items[0];
420 	    result = _nc_Match_Next_Character_In_Item_Name(menu, BS, &item);
423 	      if (item->index)
424 		item = menu->items[item->index - 1];
430 		    item = menu->items[menu->nitems - 1];
444 	result = _nc_Match_Next_Character_In_Item_Name(menu, c, &item);
490 		    {		/* Inside the area we try to find the hit item */
507 				      item = menu->items[i];
514 			    {	/* We found an item, now we can handle the click.
516 				 * to the clicked item. A double click toggles
517 				 * the item.
523 								 item);
540   if (item == 0)
546       /* Adjust the top row if it turns out that the current item unfortunately
548       if (item->y < my_top_row)
549 	my_top_row = item->y;
550       else if (item->y >= (my_top_row + menu->arows))
551 	my_top_row = item->y - menu->arows + 1;
553       _nc_New_TopRow_and_CurrentItem(menu, my_top_row, item);