Make entire titlebar draggable

App/Supporting Files/SBrowser-Bridging-Header.h

@@ -17,3 +17,13 @@
 @interface WKWebView (Internal)
 - (WKContentView *)_currentContentView;
 @end
+
+@interface UIView (Internal)
+typedef NS_ENUM(NSInteger, _UIViewSceneDraggingBehaviorOnPan) {
+    _UIViewSceneDraggingBehaviorOnPanPassthrough = 0,
+    _UIViewSceneDraggingBehaviorOnPanDragScene,
+    _UIViewSceneDraggingBehaviorOnPanDoNotDragScene,
+} API_AVAILABLE(ios(13.0));
+
+@property (nonatomic, readonly) _UIViewSceneDraggingBehaviorOnPan _sceneDraggingBehaviorOnPan API_AVAILABLE(ios(13.0));
+@end

App/Titlebar and URL Bar/TitlebarView.swift

@@ -62,6 +62,10 @@ class TitlebarView: UIView
     private let separatorView = UIView(frame: .zero)
     private let securityIndicatorView = SecurityIndicatorView()
     
+    override var _sceneDraggingBehaviorOnPan: _UIViewSceneDraggingBehaviorOnPan {
+        _UIViewSceneDraggingBehaviorOnPan.dragScene
+    }
+    
     convenience init() {
         self.init(frame: .zero)
         addSubview(backgroundView)