X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fguicast%2Flinklist.h;h=3accf28153c2e13ed4eadcbf87ad76f1907da5ab;hb=0e6cf5b52d1ebce9272270144bcf43df4683507e;hp=0c580defded3c95b8ff8836fbdf562c98ebd9792;hpb=f068b73c1d4afafbf6d86e7f5bc8f1c96b5366d3;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/guicast/linklist.h b/cinelerra-5.1/guicast/linklist.h
index 0c580def..3accf281 100644
--- a/cinelerra-5.1/guicast/linklist.h
+++ b/cinelerra-5.1/guicast/linklist.h
@@ -28,6 +28,7 @@ public:
 	void remove_pointer(ListItem<TYPE> *item);
 	TYPE *append(TYPE *new_item);
 	TYPE *append() { return append(new TYPE()); }
+	void destroy() { while(last) delete last; }
 	TYPE *insert_before(TYPE *here, TYPE *item);
 	TYPE *insert_before(TYPE *here) { return insert_before(here, new TYPE()); }
 	TYPE *insert_after(TYPE *here, TYPE *item);
@@ -45,8 +46,9 @@ public:
 	void swap(TYPE *item1, TYPE *item2);
 	void sort(TYPE *ap=0, TYPE *bp=0) { return sort(cmpr,ap,bp); }
 	void sort(int (*cmp)(TYPE *a, TYPE *b), TYPE *ap=0, TYPE *bp=0);
+	void concat(List<TYPE> &b);
 	List() { first = last = 0; }
-	virtual ~List() { while(last) delete last; }
+	virtual ~List() { destroy(); }
 };
 
 // convenience macros
@@ -132,4 +134,14 @@ void List<TYPE>::sort(int (*cmpr)(TYPE *a, TYPE *b), TYPE *ll, TYPE *rr)
 	}
 }
 
+template<class TYPE>
+void List<TYPE>::concat(List<TYPE> &b)
+{
+	if( !b.first ) return;
+	*(last ? &last->next : &first) = b.first;
+	b.first->previous = last;  last = b.last;
+	TYPE *bp = b.first;  b.first = b.last = 0;
+	while( bp ) { bp->list = this;  bp = bp->next; }
+}
+
 #endif