From 95dc7e43a23300b3eacbb7e1e0a9d4f31a8bd5a0 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Thu, 24 Apr 2025 20:12:26 +0200
Subject: adw: extract class definitions

---
 adw/include/adwaitamm/helpers/gobj_mixin.hpp | 32 +++++++++++++++++-----------
 1 file changed, 20 insertions(+), 12 deletions(-)

(limited to 'adw/include/adwaitamm/helpers')

diff --git a/adw/include/adwaitamm/helpers/gobj_mixin.hpp b/adw/include/adwaitamm/helpers/gobj_mixin.hpp
index fbdaa4e..762136e 100644
--- a/adw/include/adwaitamm/helpers/gobj_mixin.hpp
+++ b/adw/include/adwaitamm/helpers/gobj_mixin.hpp
@@ -8,27 +8,35 @@
 namespace Adwaita::helpers
 {
 
-  template<typename Type, typename AdwType>
+  template<typename SourceType, typename TargetType>
+  struct copy_const
+  {
+    using type = TargetType;
+  };
+
+  template<typename SourceType, typename TargetType>
+  struct copy_const<SourceType const, TargetType>
+  {
+    using type = std::add_const_t<TargetType>;
+  };
+
+  template<typename SourceType, typename TargetType>
+  using copy_const_t = typename copy_const<SourceType, TargetType>::type;
+
+  template<typename CppType, typename BaseType>
   struct gobj_mixin
   {
     template<typename Self>
     auto gobj(this Self && self) noexcept
     {
-      using clean_type = std::remove_reference_t<Self>;
-      using gobj_type = std::conditional_t<std::is_const_v<clean_type>, std::add_const_t<Glib::Object>, Glib::Object>;
-      using cast_type = std::conditional_t<std::is_const_v<clean_type>, std::add_const_t<AdwType>, AdwType>;
-
-      return reinterpret_cast<cast_type *>(static_cast<gobj_type &&>(self).gobj());
+      using base_type = copy_const_t<std::remove_reference_t<Self>, BaseType>;   
+      return reinterpret_cast<base_type *>(self.::Glib::Object::gobj());
     }
 
     template<typename Self>
-    auto gobj_copy(this Self && self) noexcept -> AdwType *
+    auto gobj_copy(this Self && self) noexcept
     {
-      using clean_type = std::remove_reference_t<Self>;
-      using gobj_type = std::conditional_t<std::is_const_v<clean_type>, std::add_const_t<Glib::Object>, Glib::Object>;
-
-      static_cast<gobj_type &&>(self).reference();
-      return const_cast<AdwType *>(self.gobj());
+      return reinterpret_cast<BaseType *>(self.::Glib::Object::gobj_copy());
     }
   };
 
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