gdk4-macos: manually implement native_window method

For now we need to depend on the cocoa crate in order to implement
this method since it is the only decent crate implementing
the cocoa api.

.github/workflows/macos.yml

@@ -59,14 +59,14 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: build
-          args: --features v4_8 --manifest-path ./gdk4-macos/Cargo.toml
+          args: --features cocoa,v4_8 --manifest-path ./gdk4-macos/Cargo.toml
       - name: Clippy gdk4-macos
         uses: actions-rs/cargo@v1
         with:
           command: clippy
-          args: --features v4_8 --manifest-path ./gdk4-macos/Cargo.toml
+          args: --features cocoa,v4_8 --manifest-path ./gdk4-macos/Cargo.toml
       - name: Tests gdk4-macos
         uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --features v4_8 --manifest-path ./gdk4-macos/Cargo.toml
+          args: --features cocoa,v4_8 --manifest-path ./gdk4-macos/Cargo.toml

gdk4-macos/Cargo.toml

@@ -15,13 +15,15 @@ version.workspace = true
 
 [features]
 v4_8 = ["gdk4-macos-sys/v4_8"]
+cocoa = ["dep:cocoa"]
 
 [dependencies]
 gdk4-macos-sys.workspace = true
 gdk.workspace = true
 gio.workspace = true
 glib.workspace = true
 libc.workspace = true
+cocoa = { version = "0.26", default-features = false, optional = true }
 
 [dev-dependencies]
 gir-format-check.workspace = true

gdk4-macos/Gir.toml

@@ -17,7 +17,6 @@ generate = [
     "GdkMacos.MacosGLContext",
     "GdkMacos.MacosKeymap",
     "GdkMacos.MacosSeat",
-    "GdkMacos.MacosSurface",
 ]
 
 manual = [
@@ -36,4 +35,15 @@ name = "GdkMacos.MacosMonitor"
 status = "generate"
     [[object.function]]
     name = "get_geometry"
-    ignore = true # The function does not exists
+    ignore = true # The function does not exists
+
+[[object]]
+name = "GdkMacos.MacosSurface"
+status = "generate"
+    [[object.function]]
+    name = "get_native_window"
+    manual = true
+    rename = "native"
+    [[object.property]]
+    name = "native"
+    generate = ["notify"]

gdk4-macos/README.md

@@ -44,6 +44,7 @@ gdk-wayland = { git = "https://github.com/gtk-rs/gtk4-rs.git", package = "gdk4-w
 | Feature | Description |
 | ---     | ----------- |
 | `v4_8` | Enable the new APIs part of GTK 4.8 |
+| `cocoa` | Integration with the [cocoa](https://crates.io/crates/cocoa) crate |
 
 ### See Also
 

gdk4-macos/src/auto/macos_surface.rs

@@ -20,18 +20,6 @@ glib::wrapper! {
 }
 
 impl MacosSurface {
-    //#[cfg(feature = "v4_8")]
-    //#[cfg_attr(docsrs, doc(cfg(feature = "v4_8")))]
-    //#[doc(alias = "gdk_macos_surface_get_native_window")]
-    //#[doc(alias = "get_native_window")]
-    //pub fn native_window(&self) -> /*Unimplemented*/Option<Basic: Pointer> {
-    //    unsafe { TODO: call ffi:gdk_macos_surface_get_native_window() }
-    //}
-
-    //pub fn native(&self) -> /*Unimplemented*/Basic: Pointer {
-    //    ObjectExt::property(self, "native")
-    //}
-
     #[doc(alias = "native")]
     pub fn connect_native_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
         unsafe extern "C" fn notify_native_trampoline<F: Fn(&MacosSurface) + 'static>(

gdk4-macos/src/lib.rs

@@ -4,6 +4,9 @@
 #![allow(deprecated)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
+#[cfg(not(feature = "cocoa"))]
+use std::ffi::c_void;
+
 pub use gdk;
 pub use gdk4_macos_sys as ffi;
 pub use gio;
@@ -16,3 +19,12 @@ mod auto;
 pub mod prelude;
 
 pub use auto::*;
+
+mod macos_surface;
+
+#[cfg(not(feature = "cocoa"))]
+#[allow(non_camel_case_types)]
+pub type id = *mut c_void;
+
+#[cfg(feature = "cocoa")]
+pub use cocoa::base::id;

gdk4-macos/src/macos_surface.rs

@@ -0,0 +1,29 @@
+// Take a look at the license at the top of the repository in the LICENSE file.
+
+#[cfg(feature = "v4_8")]
+use crate::ffi;
+#[cfg(not(feature = "v4_8"))]
+use crate::prelude::*;
+use crate::{id, MacosSurface};
+#[cfg(feature = "v4_8")]
+use glib::translate::*;
+#[cfg(not(feature = "v4_8"))]
+use std::ffi::c_void;
+
+impl MacosSurface {
+    #[doc(alias = "gdk_macos_surface_get_native_window")]
+    #[doc(alias = "get_native_window")]
+    pub fn native(&self) -> id {
+        #[cfg(feature = "v4_8")]
+        unsafe {
+            let native_window_ptr = ffi::gdk_macos_surface_get_native_window(self.to_glib_none().0);
+            native_window_ptr as id
+        }
+
+        #[cfg(not(feature = "v4_8"))]
+        {
+            let native_window_ptr: *mut c_void = ObjectExt::property(self, "native");
+            native_window_ptr as id
+        }
+    }
+}