Remove window handles from Apple handles (#129)

The window can easily be fetched from the view, and having it leads to confusion over which place you should be e.g. taking the drawing dimensions (always the view).

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * **Breaking:** `HasRaw(Display/Window)Handle::raw_(display/window)_handle` returns a result indicating if fetching the window handle failed (#122).
 * **Breaking:** Remove the `Active/ActiveHandle` types from the public API (#126).
+* **Breaking:** Remove `AppKitWindowHandle::ns_window` and `UiKitWindowHandle::ui_window` since they can be retrived from the view (#129).
 
 ## 0.5.2 (2023-03-31)
 

src/appkit.rs

@@ -30,17 +30,13 @@ impl AppKitDisplayHandle {
 #[non_exhaustive]
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct AppKitWindowHandle {
-    /// A pointer to an `NSWindow` object.
-    pub ns_window: *mut c_void,
     /// A pointer to an `NSView` object.
     pub ns_view: *mut c_void,
-    // TODO: WHAT ABOUT ns_window_controller and ns_view_controller?
 }
 
 impl AppKitWindowHandle {
     pub fn empty() -> Self {
         Self {
-            ns_window: ptr::null_mut(),
             ns_view: ptr::null_mut(),
         }
     }

src/uikit.rs

@@ -30,18 +30,15 @@ impl UiKitDisplayHandle {
 #[non_exhaustive]
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct UiKitWindowHandle {
-    /// A pointer to an `UIWindow` object.
-    pub ui_window: *mut c_void,
     /// A pointer to an `UIView` object.
     pub ui_view: *mut c_void,
-    /// A pointer to an `UIViewController` object.
+    /// A pointer to an `UIViewController` object, if the view has one.
     pub ui_view_controller: *mut c_void,
 }
 
 impl UiKitWindowHandle {
     pub fn empty() -> Self {
         Self {
-            ui_window: ptr::null_mut(),
             ui_view: ptr::null_mut(),
             ui_view_controller: ptr::null_mut(),
         }