From 0e7542cec59d37f319c0767e6365ede9b0306021 Mon Sep 17 00:00:00 2001
From: chaoticgd <43898262+chaoticgd@users.noreply.github.com>
Date: Sun, 30 Mar 2025 19:08:52 +0100
Subject: [PATCH] Qt: Add option to disable global menus on Linux/macOS

---
 pcsx2-qt/MainWindow.cpp                       | 21 +++++++++++++++++--
 pcsx2-qt/MainWindow.h                         |  1 +
 pcsx2-qt/Settings/InterfaceSettingsWidget.cpp | 10 +++++++++
 pcsx2-qt/Settings/InterfaceSettingsWidget.h   |  1 +
 pcsx2-qt/Settings/InterfaceSettingsWidget.ui  | 21 ++++++++++++-------
 5 files changed, 45 insertions(+), 9 deletions(-)

diff --git a/pcsx2-qt/MainWindow.cpp b/pcsx2-qt/MainWindow.cpp
index 80c05d515e..615143db58 100644
--- a/pcsx2-qt/MainWindow.cpp
+++ b/pcsx2-qt/MainWindow.cpp
@@ -108,6 +108,11 @@ MainWindow::MainWindow()
 	pxAssert(!g_main_window);
 	g_main_window = this;
 
+#ifndef _WIN32
+	bool enable_global_menus = Host::GetBaseBoolSettingValue("UI", "GlobalMenus", true);
+	QGuiApplication::setAttribute(Qt::AA_DontUseNativeMenuBar, !enable_global_menus);
+#endif
+
 	//  Native window rendering is broken in wayland.
 	//  Let's work around it by disabling it for every widget besides
 	//  DisplayWidget.
@@ -1829,6 +1834,15 @@ void MainWindow::onLanguageChanged()
 	});
 }
 
+void MainWindow::onGlobalMenusChanged()
+{
+	recreate();
+
+	QtHost::RunOnUIThread([] {
+		g_main_window->doSettings("Interface");
+	});
+}
+
 void MainWindow::onInputRecNewActionTriggered()
 {
 	const bool wasPaused = s_vm_paused;
@@ -2683,8 +2697,11 @@ SettingsWindow* MainWindow::getSettingsWindow()
 	if (!m_settings_window)
 	{
 		m_settings_window = new SettingsWindow();
-		connect(m_settings_window->getInterfaceSettingsWidget(), &InterfaceSettingsWidget::themeChanged, this, &MainWindow::onThemeChanged);
-		connect(m_settings_window->getInterfaceSettingsWidget(), &InterfaceSettingsWidget::languageChanged, this, &MainWindow::onLanguageChanged);
+
+		InterfaceSettingsWidget* widget = m_settings_window->getInterfaceSettingsWidget();
+		connect(widget, &InterfaceSettingsWidget::themeChanged, this, &MainWindow::onThemeChanged);
+		connect(widget, &InterfaceSettingsWidget::languageChanged, this, &MainWindow::onLanguageChanged);
+		connect(widget, &InterfaceSettingsWidget::globalMenusChanged, this, &MainWindow::onGlobalMenusChanged);
 		connect(m_settings_window->getGameListSettingsWidget(), &GameListSettingsWidget::preferEnglishGameListChanged, this, [] {
 			g_main_window->m_game_list_widget->refreshGridCovers();
 		});
diff --git a/pcsx2-qt/MainWindow.h b/pcsx2-qt/MainWindow.h
index d7b50c7a5b..fbc23cffc3 100644
--- a/pcsx2-qt/MainWindow.h
+++ b/pcsx2-qt/MainWindow.h
@@ -174,6 +174,7 @@ private Q_SLOTS:
 	void updateLanguage();
 	void onThemeChanged();
 	void onLanguageChanged();
+	void onGlobalMenusChanged();
 	void onScreenshotActionTriggered();
 	void onSaveGSDumpActionTriggered();
 	void onBlockDumpActionToggled(bool checked);
diff --git a/pcsx2-qt/Settings/InterfaceSettingsWidget.cpp b/pcsx2-qt/Settings/InterfaceSettingsWidget.cpp
index 4c86126034..b2d6bd2d2f 100644
--- a/pcsx2-qt/Settings/InterfaceSettingsWidget.cpp
+++ b/pcsx2-qt/Settings/InterfaceSettingsWidget.cpp
@@ -108,6 +108,13 @@ InterfaceSettingsWidget::InterfaceSettingsWidget(SettingsWindow* dialog, QWidget
 	SettingWidgetBinder::BindWidgetToStringSetting(sif, m_ui.language, "UI", "Language", QtHost::GetDefaultLanguage());
 	connect(m_ui.language, QOverload<int>::of(&QComboBox::currentIndexChanged), [this]() { emit languageChanged(); });
 
+#ifndef _WIN32
+	SettingWidgetBinder::BindWidgetToBoolSetting(sif, m_ui.globalMenus, "UI", "GlobalMenus", true);
+	connect(m_ui.globalMenus, &QCheckBox::checkStateChanged, [this]() { emit globalMenusChanged(); });
+#else
+	m_ui.globalMenus->hide();
+#endif
+
 	// Per-game settings is special, we don't want to bind it if we're editing per-game settings.
 	if (!dialog->isPerGameSettings())
 	{
@@ -181,6 +188,9 @@ InterfaceSettingsWidget::InterfaceSettingsWidget(SettingsWindow* dialog, QWidget
 	dialog->registerWidgetHelp(
 		m_ui.disableWindowResizing, tr("Disable Window Resizing"), tr("Unchecked"),
 		tr("Prevents the main window from being resized."));
+	dialog->registerWidgetHelp(
+		m_ui.globalMenus, tr("Enable Global Menus"), tr("Checked"),
+		tr("Display menu bars in a system-wide location if possible rather than at the top of each window."));
 
 	onRenderToSeparateWindowChanged();
 }
diff --git a/pcsx2-qt/Settings/InterfaceSettingsWidget.h b/pcsx2-qt/Settings/InterfaceSettingsWidget.h
index df491a4c16..ad0e500e41 100644
--- a/pcsx2-qt/Settings/InterfaceSettingsWidget.h
+++ b/pcsx2-qt/Settings/InterfaceSettingsWidget.h
@@ -20,6 +20,7 @@ public:
 Q_SIGNALS:
 	void themeChanged();
 	void languageChanged();
+	void globalMenusChanged();
 
 private Q_SLOTS:
 	void onRenderToSeparateWindowChanged();
diff --git a/pcsx2-qt/Settings/InterfaceSettingsWidget.ui b/pcsx2-qt/Settings/InterfaceSettingsWidget.ui
index 05874a1a92..db230ddb44 100644
--- a/pcsx2-qt/Settings/InterfaceSettingsWidget.ui
+++ b/pcsx2-qt/Settings/InterfaceSettingsWidget.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>698</width>
-    <height>512</height>
+    <height>574</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -138,6 +138,12 @@
       <string>Preferences</string>
      </property>
      <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="1">
+       <widget class="QComboBox" name="language"/>
+      </item>
+      <item row="1" column="1">
+       <widget class="QComboBox" name="theme"/>
+      </item>
       <item row="0" column="0">
        <widget class="QLabel" name="languageLabel">
         <property name="text">
@@ -145,9 +151,6 @@
         </property>
        </widget>
       </item>
-      <item row="0" column="1">
-       <widget class="QComboBox" name="language"/>
-      </item>
       <item row="1" column="0">
        <widget class="QLabel" name="themeLabel">
         <property name="text">
@@ -155,8 +158,12 @@
         </property>
        </widget>
       </item>
-      <item row="1" column="1">
-       <widget class="QComboBox" name="theme"/>
+      <item row="2" column="0">
+       <widget class="QCheckBox" name="globalMenus">
+        <property name="text">
+         <string>Enable Global Menus</string>
+        </property>
+       </widget>
       </item>
      </layout>
     </widget>
@@ -215,7 +222,7 @@
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
-      <enum>Qt::Orientation::Vertical</enum>
+      <enum>Qt::Vertical</enum>
      </property>
      <property name="sizeHint" stdset="0">
       <size>