Added ImGuiStorage::GetVoidPtrRef()

imgui.cpp

@@ -1415,6 +1415,14 @@ float* ImGuiStorage::GetFloatRef(ImGuiID key, float default_val)
     return &it->val_f;
 }
 
+void** ImGuiStorage::GetVoidPtrRef(ImGuiID key, void* default_val)
+{
+    ImVector<Pair>::iterator it = LowerBound(Data, key);
+    if (it == Data.end() || it->key != key)
+        it = Data.insert(it, Pair(key, default_val));
+    return &it->val_p;
+}
+
 // FIXME-OPT: Wasting CPU because all SetInt() are preceeded by GetInt() calls so we should have the result from lower_bound already in place.
 // However we only use SetInt() on explicit user action (so that's maximum once a frame) so the optimisation isn't much needed.
 void ImGuiStorage::SetInt(ImU32 key, int val)

imgui.h

@@ -804,6 +804,7 @@ struct ImGuiStorage
     // - You can also use this to quickly create temporary editable values during a session of using Edit&Continue, without restarting your application.
     IMGUI_API int*    GetIntRef(ImGuiID key, int default_val = 0);
     IMGUI_API float*  GetFloatRef(ImGuiID key, float default_val = 0);
+    IMGUI_API void**  GetVoidPtrRef(ImGuiID key, void* default_val = NULL);
 
     // Use on your own storage if you know only integer are being stored (open/close all tree nodes)
     IMGUI_API void    SetAllInt(int val);