Added Set/GetVoidPtr in ImGuiStorage

imgui.cpp

@@ -1163,6 +1163,14 @@ float* ImGuiStorage::GetFloatPtr(ImGuiID key, float default_val)
     return &it->val_f;
 }
 
+void* ImGuiStorage::GetVoidPtr(ImGuiID key)
+{
+    ImVector<Pair>::iterator it = LowerBound(Data, key);
+    if (it == Data.end() || it->key != key)
+        it = Data.insert(it, Pair(key, (void*)0));
+    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)
@@ -1187,6 +1195,17 @@ void ImGuiStorage::SetFloat(ImU32 key, float val)
     it->val_f = val;
 }
 
+void ImGuiStorage::SetVoidPtr(ImU32 key, void* val)
+{
+    ImVector<Pair>::iterator it = LowerBound(Data, key);
+    if (it == Data.end() || it->key != key)
+    {
+        Data.insert(it, Pair(key, val));
+        return;
+    }
+    it->val_p = val;
+}
+
 void ImGuiStorage::SetAllInt(int v)
 {
     for (size_t i = 0; i < Data.size(); i++)

imgui.h

@@ -641,9 +641,10 @@ struct ImGuiStorage
     struct Pair 
     { 
         ImGuiID key; 
-        union { int val_i; float val_f; };        
+        union { int val_i; float val_f; void* val_p; };        
         Pair(ImGuiID _key, int _val_i) { key = _key; val_i = _val_i; } 
         Pair(ImGuiID _key, float _val_f) { key = _key; val_f = _val_f; } 
+        Pair(ImGuiID _key, void* _val_p) { key = _key; val_p = _val_p; } 
     };
     ImVector<Pair>    Data;
 
@@ -660,6 +661,8 @@ struct ImGuiStorage
     IMGUI_API float   GetFloat(ImGuiID key, float default_val = 0.0f) const;
     IMGUI_API void    SetFloat(ImGuiID key, float val);
     IMGUI_API float*  GetFloatPtr(ImGuiID key, float default_val = 0);
+    IMGUI_API void    SetVoidPtr(ImGuiID key, void* val);
+    IMGUI_API void*   GetVoidPtr(ImGuiID key);
     IMGUI_API void    SetAllInt(int val);    // Use on your own storage if you know only integer are being stored.
 };