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fix(example): upgrades window customization example from deprecated cocoa to objc2-app-kit #3406

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fix(example): upgrades window customization example from deprecated cocoa to objc2-app-kit #3406

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31 changes: 15 additions & 16 deletions src/content/docs/learn/window-customization.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -241,11 +241,11 @@ Remove the main window from the `tauri.conf.json` file:
}
```

Add `cocoa` crate to dependencies so that we can use it to call the macOS native API:
Add `objc2-app-kit` crate to dependencies so that we can use it to call the macOS native API:

```toml title="src-tauri/Cargo.toml"
[target."cfg(target_os = \"macos\")".dependencies]
cocoa = "0.26"
objc2-app-kit = "0.3.1"
```

Create the main window and change its background color:
Expand All @@ -270,20 +270,19 @@ Create the main window and change its background color:
// set background color only when building for macOS
#[cfg(target_os = "macos")]
{
use cocoa::appkit::{NSColor, NSWindow};
use cocoa::base::{id, nil};

let ns_window = window.ns_window().unwrap() as id;
unsafe {
let bg_color = NSColor::colorWithRed_green_blue_alpha_(
nil,
50.0 / 255.0,
158.0 / 255.0,
163.5 / 255.0,
1.0,
);
ns_window.setBackgroundColor_(bg_color);
}
use objc2_app_kit::{NSColor, NSWindow};

unsafe {
let ns_window: &NSWindow = &*window.ns_window().unwrap().cast();

let bg_color = NSColor::colorWithRed_green_blue_alpha(
50.0 / 255.0,
158.0 / 255.0,
163.5 / 255.0,
1.0,
);
ns_window.setBackgroundColor(Some(&bg_color));
}
}

Ok(())
Expand Down