From 46285db399f75154ad6c451e12f2cae2e59ace25 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周日, 24 12月 2023 23:52:03 +0800
Subject: [PATCH] Use brilliant workaround to show Windows 10 top border

---
 src/core/contexts/abstractwindowcontext_p.h |   23 ++++++++++++++++++-----
 1 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/core/contexts/abstractwindowcontext_p.h b/src/core/contexts/abstractwindowcontext_p.h
index 3115141..f8ea17e 100644
--- a/src/core/contexts/abstractwindowcontext_p.h
+++ b/src/core/contexts/abstractwindowcontext_p.h
@@ -1,6 +1,15 @@
 #ifndef ABSTRACTWINDOWCONTEXT_P_H
 #define ABSTRACTWINDOWCONTEXT_P_H
 
+//
+//  W A R N I N G !!!
+//  -----------------
+//
+// This file is not part of the QWindowKit API. It is used purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or may even be removed.
+//
+
 #include <array>
 #include <memory>
 
@@ -29,7 +38,7 @@
         inline WindowItemDelegate *delegate() const;
 
         inline QVariant windowAttribute(const QString &key) const;
-        void setWindowAttribute(const QString &key, const QVariant &var);
+        bool setWindowAttribute(const QString &key, const QVariant &attribute);
 
         inline bool isHitTestVisible(const QObject *obj) const;
         bool setHitTestVisible(const QObject *obj, bool visible);
@@ -55,8 +64,8 @@
             RaiseWindowHook,
             ShowSystemMenuHook,
             DefaultColorsHook,
-            WindowAttributeChangedHook,
-            DrawWindows10BorderHook,     // Only works on Windows 10
+            DrawWindows10BorderHook,     // Only works on Windows 10, emulated workaround
+            DrawWindows10BorderHook2,    // Only works on Windows 10, native workaround
             SystemButtonAreaChangedHook, // Only works on Mac
         };
         virtual void virtual_hook(int id, void *data);
@@ -65,7 +74,9 @@
         void notifyWinIdChange();
 
     protected:
-        virtual void winIdChanged(QWindow *oldWindow) = 0;
+        virtual void winIdChanged() = 0;
+        virtual bool windowAttributeChanged(const QString &key, const QVariant &attribute,
+                                            const QVariant &oldAttribute);
 
     protected:
         QObject *m_host{};
@@ -78,9 +89,11 @@
 #endif
 
         QObject *m_titleBar{};
-        std::array<QObject *, WindowAgentBase::NumSystemButton> m_systemButtons{};
+        std::array<QObject *, WindowAgentBase::Close + 1> m_systemButtons{};
 
         QVariantHash m_windowAttributes;
+
+        std::unique_ptr<QObject> m_winIdChangeEventFilter;
     };
 
     inline QObject *AbstractWindowContext::host() const {

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