From 361f6a1184240a5be08e900bf6bcfb8ac3be0507 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: Thu, 28 Sep 2023 14:28:24 +0800
Subject: [PATCH] Add hash function for ExtraDataType

---
 .../Core/private/framelesshelpercore_global_p.h            | 4 ++++
 src/core/framelesshelpercore_global.cpp                    | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/include/FramelessHelper/Core/private/framelesshelpercore_global_p.h b/include/FramelessHelper/Core/private/framelesshelpercore_global_p.h
index e3f806b..9e1dda2 100644
--- a/include/FramelessHelper/Core/private/framelesshelpercore_global_p.h
+++ b/include/FramelessHelper/Core/private/framelesshelpercore_global_p.h
@@ -116,6 +116,10 @@ enum class ExtraDataType : quint8
     FramelessQuickHelper
 };
 
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+FRAMELESSHELPER_CORE_API uint qHash(ExtraDataType key, uint seed = 0) noexcept;
+#endif
+
 struct FRAMELESSHELPER_CORE_API FramelessExtraData
 {
     FramelessExtraData();
diff --git a/src/core/framelesshelpercore_global.cpp b/src/core/framelesshelpercore_global.cpp
index 7b50ba5..219f117 100644
--- a/src/core/framelesshelpercore_global.cpp
+++ b/src/core/framelesshelpercore_global.cpp
@@ -26,6 +26,7 @@
 #include "framelesshelpercore_global_p.h"
 #include "versionnumber_p.h"
 #include "utils.h"
+#include <QtCore/qhashfunctions.h>
 #include <QtCore/qiodevice.h>
 #include <QtCore/qcoreapplication.h>
 #include <QtCore/qloggingcategory.h>
@@ -123,6 +124,12 @@ FramelessCallbacksPtr FramelessCallbacks::create()
     return std::make_shared<FramelessCallbacks>();
 }
 
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+uint qHash(ExtraDataType key, uint seed) noexcept {
+    return ::qHash(static_cast<quint8>(key), seed);
+}
+#endif
+
 FramelessExtraData::FramelessExtraData() = default;
 
 FramelessExtraData::~FramelessExtraData() = default;