nctree: implement NCKEY_END

src/demo/keller.c

@@ -30,6 +30,7 @@ visualize(struct notcurses* nc, struct ncvisual* ncv){
     int scalex, scaley, truey, truex;
     ncvisual_geom(nc, ncv, &vopts, &truey, &truex, &scaley, &scalex);
     vopts.x = (ncplane_dim_x(notcurses_stdplane(nc)) - truex / scalex) / 2;
+    vopts.y = (ncplane_dim_y(notcurses_stdplane(nc)) - truey / scaley) / 2;
 //fprintf(stderr, "X: %d truex: %d sclaex: %d\n", vopts.x, truex, scalex);
     ncplane_erase(stdn);
     // if we're about to blit pixel graphics, render the screen as empty, so

src/lib/tree.c

@@ -67,6 +67,18 @@ dup_tree_items(nctree_int_item* fill, const nctree_item* items, unsigned count,
   return 0;
 }
 
+static void
+goto_last_item(nctree* n){
+  void* prev = NULL;
+  void* r;
+  while((r = nctree_next(n))){
+    if(r == prev){
+      return;
+    }
+    prev = r;
+  }
+}
+
 static void
 goto_first_item(nctree* n){
   n->currentpath[0] = 0;
@@ -438,7 +450,7 @@ bool nctree_offer_input(nctree* n, const ncinput* ni){
     goto_first_item(n);
     return true;
   }else if(ni->id == NCKEY_END){
-    nctree_next(n); // more FIXME
+    goto_last_item(n);
     return true;
   }
   // FIXME implement left, right, +, - (expand/collapse)