Handle Unicode whitespace in pasted image paths

codex-rs/tui/src/clipboard_paste.rs

@@ -190,9 +190,55 @@ pub fn normalize_pasted_path(pasted: &str) -> Option<PathBuf> {
         return parts.into_iter().next().map(PathBuf::from);
     }
 
+    if !contains_unescaped_ascii_whitespace(pasted) {
+        let unescaped = unescape_shell_escapes(pasted);
+        return Some(PathBuf::from(unescaped));
+    }
+
     None
 }
 
+fn contains_unescaped_ascii_whitespace(input: &str) -> bool {
+    let chars = input.chars();
+    let mut escaped = false;
+    for ch in chars {
+        if escaped {
+            escaped = false;
+            continue;
+        }
+        if ch == '\\' {
+            escaped = true;
+            continue;
+        }
+        if matches!(ch, ' ' | '\t' | '\n' | '\r' | '\u{0b}' | '\u{0c}') {
+            return true;
+        }
+    }
+    false
+}
+
+fn unescape_shell_escapes(input: &str) -> String {
+    let mut result = String::with_capacity(input.len());
+    let chars = input.chars();
+    let mut escaped = false;
+    for ch in chars {
+        if escaped {
+            result.push(ch);
+            escaped = false;
+            continue;
+        }
+        if ch == '\\' {
+            escaped = true;
+            continue;
+        }
+        result.push(ch);
+    }
+    if escaped {
+        result.push('\\');
+    }
+    result
+}
+
 /// Infer an image format for the provided path based on its extension.
 pub fn pasted_image_format(path: &Path) -> EncodedImageFormat {
     match path
@@ -255,6 +301,17 @@ mod pasted_paths_tests {
         assert!(result.is_none());
     }
 
+    #[test]
+    fn normalize_macos_screenshot_path_with_thin_space() {
+        let input = "/Users/zhao/Downloads/Screenshot\\ 2025-09-25\\ at\\ 10.47.39\u{202f}AM.png";
+        let result = normalize_pasted_path(input)
+            .expect("should accept macOS screenshot path with thin space");
+        assert_eq!(
+            result,
+            PathBuf::from("/Users/zhao/Downloads/Screenshot 2025-09-25 at 10.47.39\u{202f}AM.png")
+        );
+    }
+
     #[test]
     fn pasted_image_format_png_jpeg_unknown() {
         assert_eq!(