Still doesn't compile, but now the issue is in UI.h overcoupling. Progress!

src/PyColor.cpp

@@ -1,5 +1,13 @@
 #include "PyColor.h"
 
+PyGetSetDef PyColor::getsetters[] = {
+    {"r", (getter)PyColor::get_member, (setter)PyColor::set_member, "Red component",   (void*)0},
+    {"g", (getter)PyColor::get_member, (setter)PyColor::set_member, "Green component", (void*)1},
+    {"b", (getter)PyColor::get_member, (setter)PyColor::set_member, "Blue component",  (void*)2},
+    {"a", (getter)PyColor::get_member, (setter)PyColor::set_member, "Alpha component", (void*)3},
+    {NULL}
+};
+
 PyColor::PyColor(sf::Color* target, std::weak_ptr<UIDrawable> parent, int index)
 {
     data.index = index;
@@ -34,10 +42,10 @@ Py_hash_t PyColor::hash(PyObject* obj)
     auto ptr = self.data.parent.lock();
     if (ptr || self->data.index == PyColor::SELF_OWNED)
     {
-        value += self->data.target->r;
+        value += self->data.target.r;
-        value << 8; value += self->data.target->g; 
+        value << 8; value += self->data.target.g; 
-        value << 8; value += self->data.target->b; 
+        value << 8; value += self->data.target.b; 
-        value << 8; value += self->data.target->a;
+        value << 8; value += self->data.target.a;
     }
     if (ptr)
     {

src/PyColor.h

@@ -20,10 +20,10 @@ class PyColor
 {
 private:
     _PyColorData data;
-    static int SELF_OWNED = -1;
+    static const int SELF_OWNED = -1;
 public:
-    PyColor(sf::Color* target, std::weak_ptr<UIDrawable> parent, int index) // linked constructor
+    PyColor(sf::Color* target, std::weak_ptr<UIDrawable> parent, int index); // linked constructor
-    PyColor::PyColor(sf::Color target) // simple color container
+    PyColor(sf::Color target); // simple color container
     void set(sf::Color);
     sf::Color get();
     PyObject* pyObject();
@@ -34,13 +34,14 @@ public:
     static PyObject* get_member(PyObject*, void*);
     static int set_member(PyObject*, PyObject*, void*);
     
-    static PyGetSetDef getsetters[] = {
+    static PyGetSetDef getsetters[];
+    /*static PyGetSetDef getsetters[] = {
         {"r", (getter)PyColor::get_member, (setter)PyColor::set_member, "Red component",   (void*)0},
         {"g", (getter)PyColor::get_member, (setter)PyColor::set_member, "Green component", (void*)1},
         {"b", (getter)PyColor::get_member, (setter)PyColor::set_member, "Blue component",  (void*)2},
         {"a", (getter)PyColor::get_member, (setter)PyColor::set_member, "Alpha component", (void*)3},
         {NULL}
-    };
+    };*/
 };
 
     

src/UI.h

@@ -7,6 +7,7 @@
 #include <list>
 #include "PyCallable.h"
 #include "PyTexture.h"
+#include "PyColor.h"
 
 enum PyObjectsEnum : int
 {