From f5161225940c545dd457af1178c73f36dfe63710 Mon Sep 17 00:00:00 2001
From: Amr Bashir <amr.bashir2015@gmail.com>
Date: Tue, 14 May 2024 08:50:27 +0300
Subject: [PATCH] feat(webview2): enable non-client region support (#1262)

closes #1245
---
 .changes/webview-drag-client-region.md | 5 +++++
 src/webview2/mod.rs                    | 4 ++++
 2 files changed, 9 insertions(+)
 create mode 100644 .changes/webview-drag-client-region.md

diff --git a/.changes/webview-drag-client-region.md b/.changes/webview-drag-client-region.md
new file mode 100644
index 000000000..4e116cdd9
--- /dev/null
+++ 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
index fffe36401..230232cdd 100644
--- 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(())
   }