From 7423eb56342bc58a5705ab55a50f1b08177afcf8 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Thu, 3 Apr 2025 18:41:43 +0200
Subject: adw: prepare files for extraction

---
 include/adwaitamm/helpers/gobj_mixin.hpp | 37 ++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 include/adwaitamm/helpers/gobj_mixin.hpp

(limited to 'include/adwaitamm/helpers/gobj_mixin.hpp')

diff --git a/include/adwaitamm/helpers/gobj_mixin.hpp b/include/adwaitamm/helpers/gobj_mixin.hpp
new file mode 100644
index 0000000..2a6aa37
--- /dev/null
+++ b/include/adwaitamm/helpers/gobj_mixin.hpp
@@ -0,0 +1,37 @@
+#ifndef LIBADWAITAMM_HELPERS_GOBJ_MIXIN_HPP
+#define LIBADWAITAMM_HELPERS_GOBJ_MIXIN_HPP
+
+#include <glibmm/object.h>
+
+#include <type_traits>
+
+namespace turns::adw::helpers
+{
+
+  template<typename Type, typename AdwType>
+  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());
+    }
+
+    template<typename Self>
+    auto gobj_copy(this Self && self) noexcept -> AdwType *
+    {
+      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());
+    }
+  };
+
+}  // namespace turns::adw::helpers
+
+#endif
\ No newline at end of file
-- 
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