fix compilation

src-tauri/Cargo.toml

@@ -1,11 +1,11 @@
 [package]
-name = "app"
-version = "0.1.0"
-description = "A Tauri App"
-authors = ["you"]
+name = "marker"
+version = "1.0.0"
+description = "A Secure Visual Markdown Editor"
+authors = ["tk"]
 license = ""
 repository = ""
-default-run = "app"
+default-run = "marker"
 edition = "2021"
 rust-version = "1.60"
 
@@ -19,6 +19,8 @@ serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
 tauri = { version = "1.6.0", features = [ "updater", "window-unmaximize", "window-maximize", "window-start-dragging", "shell-open", "protocol-asset", "shell-execute", "dialog-all", "fs-all", "path-all"] }
 tauri-plugin-store = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "v1" }
+
+[target.'cfg(target_os = "macos")'.dependencies]
 objc = "0.2.7"
 cocoa = "0.25.0"
 

src-tauri/src/main.rs

@@ -1,6 +1,5 @@
 // Prevents additional console window on Windows in release, DO NOT REMOVE!!
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
-use objc::{class, msg_send, sel, sel_impl};
 use std::fs::File;
 use std::io::{BufRead, BufReader};
 use tauri::{Manager, Window};
@@ -18,6 +17,7 @@ pub trait WindowExt {
 impl WindowExt for Window {
     fn set_transparent_titlebar(&self) {
         use cocoa::appkit::{NSWindow, NSWindowTitleVisibility};
+        use objc::{class, msg_send, sel, sel_impl};
 
         unsafe {
             let id = self.ns_window().unwrap() as cocoa::base::id;
@@ -78,8 +78,10 @@ fn get_file_metadata(file_path: String) -> Result<String, String> {
 fn main() {
     tauri::Builder::default()
         .setup(|app| {
-            let win = app.get_window("main").unwrap();
-            win.set_transparent_titlebar();
+            if cfg!(target_os = "macos") {
+                let win = app.get_window("main").unwrap();
+                win.set_transparent_titlebar();
+            }
             Ok(())
         })
         .plugin(tauri_plugin_store::Builder::default().build())