macOS: Move util::EMPTY_RANGE to usage spot (#3685)

src/platform_impl/macos/util.rs

@@ -1,8 +1,5 @@
-use objc2_foundation::{NSNotFound, NSRange, NSUInteger};
 use tracing::trace;
 
-pub static EMPTY_RANGE: NSRange = NSRange { location: NSNotFound as NSUInteger, length: 0 };
-
 macro_rules! trace_scope {
     ($s:literal) => {
         let _crate = $crate::platform_impl::platform::util::TraceGuard::new(module_path!(), $s);

src/platform_impl/macos/view.rs

@@ -14,8 +14,8 @@ use objc2_app_kit::{
 };
 use objc2_foundation::{
     MainThreadMarker, NSArray, NSAttributedString, NSAttributedStringKey, NSCopying,
-    NSMutableAttributedString, NSObject, NSObjectProtocol, NSPoint, NSRange, NSRect, NSSize,
-    NSString, NSUInteger,
+    NSMutableAttributedString, NSNotFound, NSObject, NSObjectProtocol, NSPoint, NSRange, NSRect,
+    NSSize, NSString, NSUInteger,
 };
 
 use super::app_delegate::ApplicationDelegate;
@@ -25,7 +25,7 @@ use super::event::{
     scancode_to_physicalkey,
 };
 use super::window::WinitWindow;
-use super::{util, DEVICE_ID};
+use super::DEVICE_ID;
 use crate::dpi::{LogicalPosition, LogicalSize};
 use crate::event::{
     DeviceEvent, ElementState, Ime, Modifiers, MouseButton, MouseScrollDelta, TouchPhase,
@@ -259,14 +259,16 @@ declare_class!(
             if length > 0 {
                 NSRange::new(0, length)
             } else {
-                util::EMPTY_RANGE
+                // Documented to return `{NSNotFound, 0}` if there is no marked range.
+                NSRange::new(NSNotFound as NSUInteger, 0)
             }
         }
 
         #[method(selectedRange)]
         fn selected_range(&self) -> NSRange {
             trace_scope!("selectedRange");
-            util::EMPTY_RANGE
+            // Documented to return `{NSNotFound, 0}` if there is no selection.
+            NSRange::new(NSNotFound as NSUInteger, 0)
         }
 
         #[method(setMarkedText:selectedRange:replacementRange:)]