M src/bindings.cc → src/bindings.cc

@@ -90,50 +90,37 @@ b.key = XKeysymToKeycode(otk::OBDisplay::display, sym);
   return b.key != 0;
 }
 
+static void destroytree(BindingTree *tree)
+{
+  while (tree) {
+    BindingTree *c = tree->first_child;
+    delete tree;
+    tree = c;
+  }
+}
+
 BindingTree *OBBindings::buildtree(const StringVect &keylist, int id)
 {
   if (keylist.empty()) return 0; // nothing in the list.. return 0
 
-  BindingTree *ret = new BindingTree(id), *p = 0;
+  BindingTree *ret = 0, *p;
 
-  StringVect::const_iterator it, end = keylist.end();
-  for (it = keylist.begin(); it != end; ++it) {
-    if (p)
-      p = p->first_child = new BindingTree(id);
-    else
-      p = ret; // the first node
-    
-    if (!translate(*it, p->binding))
+  StringVect::const_reverse_iterator it, end = keylist.rend();
+  for (it = keylist.rbegin(); it != end; ++it) {
+    p = ret;
+    ret = new BindingTree(id);
+    if (!p) ret->chain = false;
+    ret->first_child = p;
+    if (!translate(*it, ret->binding)) {
+      destroytree(ret);
+      ret = 0;
       break;
-    p->text = *it;
-  }
-  if (it != end) {
-    // build failed.. clean up and return 0
-    p = ret;
-    while (p->first_child) {
-      BindingTree *c = p->first_child;
-      delete p;
-      p = c;      
     }
-    delete p;
-    return 0;
-  } else {
-    // set the proper chain status on the last node
-    p->chain = false;
+    ret->text = *it; // XXX: rm me
   }
-
-  // successfully built a tree
   return ret;
 }
 
-static void destroytree(BindingTree *tree)
-{
-  while (tree) {
-    BindingTree *c = tree->first_child;
-    delete tree;
-    tree = c;
-  }
-}
 
 OBBindings::OBBindings()
 {