feat(webview2): enable non-client region support (#1262)

closes #1245
tauri-apps · May 14, 2024 · f516122 · f516122
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diff --git a/.changes/webview-drag-client-region.md b/.changes/webview-drag-client-region.md
@@ -0,0 +1,5 @@
+---
+"wry": "patch"
+---
+
+On Windows, enable webview2 [non client region support](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/win32/icorewebview2settings9?view=webview2-1.0.2478.35#get_isnonclientregionsupportenabled) which allows using `app-region` CSS style.
diff --git a/src/webview2/mod.rs b/src/webview2/mod.rs
@@ -512,6 +512,10 @@ impl InnerWebView {
     let settings6 = settings.cast::<ICoreWebView2Settings6>()?;
     settings6.SetIsSwipeNavigationEnabled(attributes.back_forward_navigation_gestures)?;
 
+    if let Ok(settings9) = settings.cast::<ICoreWebView2Settings9>() {
+      settings9.SetIsNonClientRegionSupportEnabled(true)?;
+    }
+
     Ok(())
   }