fixes for mac

engine/layout.h

@@ -1482,7 +1482,7 @@ public:
         init_template("tpl-panel-brushes");
         //m_layers_container = find<NodeBorder>("layers-container");
         static auto icons = FindAllBrushes("data/Icons/");
-        if (m_container = find<NodeBorder>("brushes"))
+        if ((m_container = find<NodeBorder>("brushes")))
         {
             int count = 0;
             for (auto& i : icons)
@@ -1538,6 +1538,18 @@ public:
         }
         AAssetDir_close(dir);
 #else
+        DIR *dp;
+        struct dirent *ep;
+        dp = opendir(folder.c_str());
+        
+        if (dp != NULL)
+        {
+            while (ep = readdir (dp))
+                names.push_back(ep->d_name);
+            closedir(dp);
+        }
+        else
+            LOG("Couldn't open the directory: %s", folder.c_str());
 #endif
         return names;
     }