From 2d2fc799bc698ebf7e7c8bcc394366d0d7bf071b Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 20 2月 2024 18:18:39 +0800
Subject: [PATCH] Partially finish the bug after window close and reshow

---
 examples/mainwindow/mainwindow.h |   31 ++++++++++++++++++++++++++++++-
 1 files changed, 30 insertions(+), 1 deletions(-)

diff --git a/examples/mainwindow/mainwindow.h b/examples/mainwindow/mainwindow.h
index 46f23d3..9af4d73 100644
--- a/examples/mainwindow/mainwindow.h
+++ b/examples/mainwindow/mainwindow.h
@@ -1,15 +1,44 @@
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
+// SPDX-License-Identifier: Apache-2.0
+
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
 #include <QtWidgets/QMainWindow>
 
+namespace QWK {
+    class WidgetWindowAgent;
+    class StyleAgent;
+}
+
 class MainWindow : public QMainWindow {
+    Q_OBJECT
 public:
     explicit MainWindow(QWidget *parent = nullptr);
-    ~MainWindow();
+    ~MainWindow() override;
+
+    enum Theme {
+        Dark,
+        Light,
+    };
+    Q_ENUM(Theme)
+
+Q_SIGNALS:
+    void themeChanged();
 
 protected:
+    bool event(QEvent *event) override;
+
+    void closeEvent(QCloseEvent *event) override;
+
+private:
     void installWindowAgent();
+    void loadStyleSheet(Theme theme);
+
+    Theme currentTheme{};
+
+    QWK::WidgetWindowAgent *windowAgent;
 };
 
 #endif // MAINWINDOW_H

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