From 463890cfcbe4d8a3839d016db9f7444a36f095c1 Mon Sep 17 00:00:00 2001
From: Patrick Wuttke <mewin@mewin.de>
Date: Sun, 12 Nov 2023 19:59:18 +0100
Subject: [PATCH] Added Signal::connect() function that takes an object +
 function pointer.

---
 source/mijin/async/signal.hpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/source/mijin/async/signal.hpp b/source/mijin/async/signal.hpp
index d5750c0..5be5196 100644
--- a/source/mijin/async/signal.hpp
+++ b/source/mijin/async/signal.hpp
@@ -57,6 +57,8 @@ public:
 public:
     template<typename THandler, typename TWeak = void>
     inline token_t connect(THandler handler, Oneshot oneshot = Oneshot::NO, std::weak_ptr<TWeak> referenced = std::weak_ptr<TWeak>()) noexcept;
+    template<typename TObject, typename TWeak = void>
+    inline token_t connect(TObject& object, void (TObject::* handler)(TArgs...), Oneshot oneshot = Oneshot::NO, std::weak_ptr<TWeak> referenced = std::weak_ptr<TWeak>()) noexcept;
     inline void disconnect(token_t token) noexcept;
     inline void emit(TArgs&&... args) noexcept;
 };
@@ -82,6 +84,26 @@ inline auto Signal<TArgs...>::connect(THandler handler, Oneshot oneshot, std::we
     return nextToken++;
 }
 
+template<typename... TArgs>
+template<typename TObject, typename TWeak>
+inline auto Signal<TArgs...>::connect(TObject& object, void (TObject::* handler)(TArgs...), Oneshot oneshot, std::weak_ptr<TWeak> referenced) noexcept -> token_t
+{
+    std::lock_guard lock(handlersMutex_);
+
+    auto callable = [object = &object, handler](TArgs... args)
+    {
+        std::invoke(handler, object, std::forward<TArgs>(args)...);
+    };
+    handlers_.push_back({
+        .callable = std::move(callable),
+        .referenced = std::move(referenced),
+        .token = nextToken,
+        .oneshot = oneshot
+    });
+
+    return nextToken++;
+}
+
 template<typename... TArgs>
 inline void Signal<TArgs...>::disconnect(token_t token) noexcept
 {