Use objc2

CHANGELOG.md

@@ -8,6 +8,7 @@ And please only add new entries to the top of this list, right below the `# Unre
 
 # Unreleased
 
+- macOS/iOS: Use `objc2` instead of `objc` internally.
 - Removed `parking_lot` dependency.
 - On Windows, added `WindowExtWindows::set_undecorated_shadow` and `WindowBuilderExtWindows::with_undecorated_shadow` to draw the drop shadow behind a borderless window.
 - On Windows, fixed default window features (ie snap, animations, shake, etc.) when decorations are disabled.

Cargo.toml

@@ -62,12 +62,14 @@ ndk = "0.7.0"
 ndk-glue = "0.7.0"
 
 [target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
-objc = "0.2.7"
+objc = { version = "=0.3.0-beta.2", package = "objc2" }
 
 [target.'cfg(target_os = "macos")'.dependencies]
-cocoa = "0.24"
-core-foundation = "0.9"
-core-graphics = "0.22"
+# Branch: objc2
+# TODO: Use non-git versions before we release
+cocoa = { git = "https://github.com/madsmtm/core-foundation-rs.git", rev = "8e6c4854de2408ed1e3e614dbe6f9f2762bde7c3" }
+core-foundation = { git = "https://github.com/madsmtm/core-foundation-rs.git", rev = "8e6c4854de2408ed1e3e614dbe6f9f2762bde7c3" }
+core-graphics = { git = "https://github.com/madsmtm/core-foundation-rs.git", rev = "8e6c4854de2408ed1e3e614dbe6f9f2762bde7c3" }
 dispatch = "0.2.0"
 
 [target.'cfg(target_os = "windows")'.dependencies.windows-sys]