Add content bounds support to Window API

Introduces getter and setter for window content bounds in the Window class, updates FFI bindings to support native content bounds operations, and modifies context menu positioning to use content bounds. Also updates submodule for native API implementation.

Author: lijy91

packages/cnativeapi/lib/src/bindings_generated.dart

@@ -473,6 +473,35 @@ class CNativeApiBindings {
       _native_window_get_content_sizePtr
           .asFunction<native_size_t Function(native_window_t)>();
 
+  void native_window_set_content_bounds(
+    native_window_t window,
+    native_rectangle_t bounds,
+  ) {
+    return _native_window_set_content_bounds(window, bounds);
+  }
+
+  late final _native_window_set_content_boundsPtr =
+      _lookup<
+        ffi.NativeFunction<
+          ffi.Void Function(native_window_t, native_rectangle_t)
+        >
+      >('native_window_set_content_bounds');
+  late final _native_window_set_content_bounds =
+      _native_window_set_content_boundsPtr
+          .asFunction<void Function(native_window_t, native_rectangle_t)>();
+
+  native_rectangle_t native_window_get_content_bounds(native_window_t window) {
+    return _native_window_get_content_bounds(window);
+  }
+
+  late final _native_window_get_content_boundsPtr =
+      _lookup<ffi.NativeFunction<native_rectangle_t Function(native_window_t)>>(
+        'native_window_get_content_bounds',
+      );
+  late final _native_window_get_content_bounds =
+      _native_window_get_content_boundsPtr
+          .asFunction<native_rectangle_t Function(native_window_t)>();
+
   void native_window_set_minimum_size(
     native_window_t window,
     double width,

packages/cnativeapi/src/libnativeapi

@@ -81,7 +81,7 @@ class _ContextMenuRegionState extends State<ContextMenuRegion> {
         // Open the menu at the click position using relative positioning
         widget.menu.open(
           PositioningStrategy.relative(
-            _activeWindow!.bounds,
+            _activeWindow!.contentBounds,
             Offset(event.position.dx, event.position.dy),
           ),
           widget.placement,

packages/nativeapi/lib/src/widgets/context_menu_region.dart

@@ -157,6 +157,28 @@ class Window
     );
   }
 
+  /// Sets the window's content bounds (position and size).
+  set contentBounds(Rect bounds) {
+    final nativeBounds = ffi.calloc<native_rectangle_t>();
+    nativeBounds.ref.x = bounds.left;
+    nativeBounds.ref.y = bounds.top;
+    nativeBounds.ref.width = bounds.width;
+    nativeBounds.ref.height = bounds.height;
+  }
+
+  /// Gets the window's content bounds (position and size).
+  Rect get contentBounds {
+    final nativeBounds = bindings.native_window_get_content_bounds(
+      _nativeHandle,
+    );
+    return Rect.fromLTWH(
+      nativeBounds.x,
+      nativeBounds.y,
+      nativeBounds.width,
+      nativeBounds.height,
+    );
+  }
+
   /// Sets the window's size.
   ///
   /// If [animate] is true, the resize will be animated (platform-dependent).
@@ -290,10 +312,7 @@ class Window
   set title(String value) {
     final titleUtf8 = value.toNativeUtf8();
     try {
-      bindings.native_window_set_title(
-        _nativeHandle,
-        titleUtf8.cast<Char>(),
-      );
+      bindings.native_window_set_title(_nativeHandle, titleUtf8.cast<Char>());
     } finally {
       ffi.malloc.free(titleUtf8);
     }
@@ -332,10 +351,7 @@ class Window
 
   /// Sets whether the window is visible on all workspaces.
   set isVisibleOnAllWorkspaces(bool value) {
-    bindings.native_window_set_visible_on_all_workspaces(
-      _nativeHandle,
-      value,
-    );
+    bindings.native_window_set_visible_on_all_workspaces(_nativeHandle, value);
   }
 
   /// Checks if the window is visible on all workspaces.
@@ -393,4 +409,3 @@ class Window
     // any destroy function here. The manager handles cleanup.
   }
 }
-