From 5ac060bfcf2f12b3a6381156ebbc13826a05b09f Mon Sep 17 00:00:00 2001
From: Tom Englund <tomenglund26@gmail.com>
Date: Fri, 19 Dec 2025 17:12:51 +0100
Subject: [PATCH] signal: check for trivially copyable (#95)

use is_trivially_copyable instead because is_arithmetic_v exludes small
POD structs, enums, and certain trivially copyable types.

also add a if guard in emit if we have no listeners, no point emitting.
---
 include/hyprutils/signal/Signal.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/hyprutils/signal/Signal.hpp b/include/hyprutils/signal/Signal.hpp
index 425c36f..6062810 100644
--- a/include/hyprutils/signal/Signal.hpp
+++ b/include/hyprutils/signal/Signal.hpp
@@ -26,10 +26,13 @@ namespace Hyprutils {
         template <typename... Args>
         class CSignalT : public CSignalBase {
             template <typename T>
-            using RefArg = std::conditional_t<std::is_reference_v<T> || std::is_arithmetic_v<T>, T, const T&>;
+            using RefArg = std::conditional_t<std::is_trivially_copyable_v<T>, T, const T&>;
 
           public:
             void emit(RefArg<Args>... args) {
+                if (m_vListeners.empty() && m_vStaticListeners.empty())
+                    return;
+
                 if constexpr (sizeof...(Args) == 0)
                     emitInternal(nullptr);
                 else {