feat: add WebViewBuilder::with_focused (#1015)

ref: #tauri-apps/tauri#7519

.changes/with_focused.md

@@ -0,0 +1,5 @@
+---
+"wry": "patch"
+---
+
+Add `WebViewAtrributes.focused` and `WebViewBuilder::with_focused` to control whether to focus the webview upon creation or not. Supported on Windows and Linux only.

src/webview/mod.rs

@@ -243,6 +243,13 @@ pub struct WebViewAttributes {
   /// - **macOS**: Requires macOS 14.0+ and the `mac-proxy` feature flag to be enabled.
   /// - **Android / iOS:** Not supported.
   pub proxy_config: Option<ProxyConfig>,
+
+  /// Whether the webview should be focused when created.
+  ///
+  /// ## Platform-specific:
+  ///
+  /// - **macOS / Android / iOS:** Unsupported.
+  pub focused: bool,
 }
 
 impl Default for WebViewAttributes {
@@ -276,6 +283,7 @@ impl Default for WebViewAttributes {
       autoplay: true,
       on_page_load_handler: None,
       proxy_config: None,
+      focused: true,
     }
   }
 }
@@ -674,6 +682,16 @@ impl<'a> WebViewBuilder<'a> {
     self
   }
 
+  /// Set whether the webview should be focused when created.
+  ///
+  /// ## Platform-specific:
+  ///
+  /// - **macOS / Android / iOS:** Unsupported.
+  pub fn with_focused(mut self, focused: bool) -> Self {
+    self.webview.focused = focused;
+    self
+  }
+
   /// Consume the builder and create the [`WebView`].
   ///
   /// Platform-specific behavior:

src/webview/webkitgtk/mod.rs

@@ -222,7 +222,10 @@ impl InnerWebView {
     } else {
       window.add(&*webview);
     }
-    webview.grab_focus();
+
+    if attributes.focused {
+      webview.grab_focus();
+    }
 
     if let Some(context) = WebViewExt::context(&*webview) {
       use webkit2gtk::WebContextExt;

src/webview/webview2/mod.rs

@@ -846,9 +846,11 @@ window.addEventListener('mousemove', (e) => window.chrome.webview.postMessage('_
       controller
         .SetIsVisible(true)
         .map_err(webview2_com::Error::WindowsError)?;
-      controller
-        .MoveFocus(COREWEBVIEW2_MOVE_FOCUS_REASON_PROGRAMMATIC)
-        .map_err(webview2_com::Error::WindowsError)?;
+      if attributes.focused {
+        controller
+          .MoveFocus(COREWEBVIEW2_MOVE_FOCUS_REASON_PROGRAMMATIC)
+          .map_err(webview2_com::Error::WindowsError)?;
+      }
     }
 
     Ok(webview)