feat: halfway there?

src/helpers/wm.rs

@@ -0,0 +1,47 @@
+// https://github.com/fastfetch-cli/fastfetch/blob/dev/src/detection/displayserver/displayserver_apple.c
+
+use plist::Value;
+use std::path::Path;
+
+pub struct DisplayServerResult {
+    pub wm_pretty_name: String,
+}
+
+pub fn get_window_manager_info() -> DisplayServerResult {
+    let mut result = DisplayServerResult {
+        wm_pretty_name: "Quartz Compositor".to_string(),
+    };
+
+    if cfg!(target_os = "macos") {
+        let plist_path = "/System/Library/CoreServices/WindowManager.app/Contents/version.plist";
+
+        if Path::new(plist_path).exists() {
+            if let Ok(value) = Value::from_file(plist_path) {
+                if let Some(dict) = value.as_dictionary() {
+                    if let Some(raw_version) = dict.get("SourceVersion").and_then(|v| v.as_string())
+                    {
+                        // Apple format: AAAABBBCCDDDDDD (Major, Minor, Patch, Build)
+                        if raw_version.len() >= 8 && raw_version.chars().all(|c| c.is_numeric()) {
+                            let major =
+                                raw_version[..raw_version.len() - 12].trim_start_matches('0');
+                            let minor = raw_version[raw_version.len() - 12..raw_version.len() - 9]
+                                .trim_start_matches('0');
+                            let patch = raw_version[raw_version.len() - 9..raw_version.len() - 7]
+                                .trim_start_matches('0');
+
+                            let m = if minor.is_empty() { "0" } else { minor };
+                            let p = if patch.is_empty() { "0" } else { patch };
+
+                            result.wm_pretty_name =
+                                format!("Quartz Compositor {}.{}.{}", major, m, p);
+                        } else {
+                            result.wm_pretty_name = format!("Quartz Compositor {}", raw_version);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    result
+}