Remove default context menu

CefCustomMenuHandler.cs

@@ -0,0 +1,34 @@
+// Copyright(c) 2019 pypy. All rights reserved.
+//
+// This work is licensed under the terms of the MIT license.
+// For a copy, see <https://opensource.org/licenses/MIT>.
+
+using CefSharp;
+
+namespace VRCX
+{
+    public class CustomMenuHandler : IContextMenuHandler
+    {
+        public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model)
+        {
+            // remove default right click
+            if (!parameters.TypeFlags.HasFlag(ContextMenuType.Selection))
+                model.Clear();
+        }
+
+        public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags)
+        {
+            return false;
+        }
+
+        public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame)
+        {
+
+        }
+
+        public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback)
+        {
+            return false;
+        }
+    }
+}

MainForm.cs

@@ -43,6 +43,7 @@ namespace VRCX
             )
             {
                 DragHandler = new NoopDragHandler(),
+                MenuHandler = new CustomMenuHandler(),
                 BrowserSettings =
                 {
                     DefaultEncoding = "UTF-8",

VRCX.csproj

@@ -81,6 +81,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AssetBundleCacher.cs" />
+    <Compile Include="CefCustomMenuHandler.cs" />
     <Compile Include="ImageCache.cs" />
     <Compile Include="VRCEventDeserialization.cs" />
     <Compile Include="IPCClient.cs" />