From 1900ef3c9805d7fe15e0634cef9b5ff2a5dc7838 Mon Sep 17 00:00:00 2001
From: SineStriker <trueful@163.com>
Date: 周三, 20 12月 2023 20:02:05 +0800
Subject: [PATCH] minor tweaks

---
 src/core/contexts/cocoawindowcontext.mm |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/src/core/contexts/cocoawindowcontext.mm b/src/core/contexts/cocoawindowcontext.mm
index cbfed18..c16c5a2 100644
--- a/src/core/contexts/cocoawindowcontext.mm
+++ b/src/core/contexts/cocoawindowcontext.mm
@@ -7,6 +7,7 @@
 
 #include "qwkglobal_p.h"
 #include "systemwindow_p.h"
+
 namespace QWK {
 
     struct NSWindowProxy {
@@ -221,6 +222,7 @@
 
     static inline void releaseWindowProxy(const WId windowId) {
         if (const auto proxy = g_proxyList()->take(windowId)) {
+            proxy->setSystemTitleBarVisible(true);
             delete proxy;
         }
     }
@@ -402,11 +404,18 @@
     }
 
     void CocoaWindowContext::winIdChanged(QWindow *oldWindow, bool isDestroyed) {
-        releaseWindowProxy(windowId);
+        // If the original window id is valid, remove all resources related
+        if (windowId) {
+            releaseWindowProxy(windowId);
+            windowId = 0;
+            cocoaWindowEventFilter.reset();
+        }
+
         if (!m_windowHandle) {
             return;
         }
 
+        // Allocate new resources
         windowId = m_windowHandle->winId();
         ensureWindowProxy(windowId)->setSystemTitleBarVisible(false);
         cocoaWindowEventFilter = std::make_unique<CocoaWindowEventFilter>(this, this);

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