#127 reposition traffic lights

modules/gui/src-tauri/Cargo.toml

@@ -20,6 +20,8 @@ serde = { version = "1.0", features = ["derive"] }
 tauri = { version = "1.2.0", features = ["fs-create-dir", "fs-read-dir", "fs-read-file", "fs-write-file", "http-all", "path-all", "shell-all", "window-all"] }
 uuid = "1.2.1"
 futures = "0.3"
+objc = "0.2.7"
+cocoa = "0.24.1"
 
 [features]
 # by default Tauri runs in production mode

modules/gui/src-tauri/src/main.rs

@@ -5,11 +5,25 @@
 
 mod handlers;
 
+#[cfg(target_os = "macos")]
+#[macro_use]
+extern crate objc;
+
+use tauri::{Manager, WindowEvent};
+use window_ext::WindowExt;
+mod window_ext;
+
 fn main() {
   tauri::Builder::default()
     .invoke_handler(tauri::generate_handler![
       handlers::packages::install_package,
     ])
+    .setup(|app| {
+        let win = app.get_window("main").unwrap();
+        // win.set_transparent_titlebar(true);
+        // win.position_traffic_lights(30.0, 30.0);
+        Ok(())
+    })
     .run(tauri::generate_context!())
     .expect("error while running tauri application");
 }

modules/gui/src-tauri/src/window_ext.rs

@@ -0,0 +1,61 @@
+use tauri::{Runtime, Window};
+
+pub trait WindowExt {
+    #[cfg(target_os = "macos")]
+    fn set_transparent_titlebar(&self, transparent: bool);
+    fn position_traffic_lights(&self, x: f64, y: f64);
+}
+
+impl<R: Runtime> WindowExt for Window<R> {
+    #[cfg(target_os = "macos")]
+    fn set_transparent_titlebar(&self, transparent: bool) {
+        use cocoa::appkit::{NSWindow, NSWindowTitleVisibility};
+
+        let window = self.ns_window().unwrap() as cocoa::base::id;
+
+        unsafe {
+            window.setTitleVisibility_(NSWindowTitleVisibility::NSWindowTitleHidden);
+
+            if transparent {
+                window.setTitlebarAppearsTransparent_(cocoa::base::YES);
+            } else {
+                window.setTitlebarAppearsTransparent_(cocoa::base::NO);
+            }
+        }
+    }
+
+    #[cfg(target_os = "macos")]
+    fn position_traffic_lights(&self, x: f64, y: f64) {
+        use cocoa::appkit::{NSView, NSWindow, NSWindowButton};
+        use cocoa::foundation::NSRect;
+
+        let window = self.ns_window().unwrap() as cocoa::base::id;
+
+        unsafe {
+            let close = window.standardWindowButton_(NSWindowButton::NSWindowCloseButton);
+            let miniaturize =
+                window.standardWindowButton_(NSWindowButton::NSWindowMiniaturizeButton);
+            let zoom = window.standardWindowButton_(NSWindowButton::NSWindowZoomButton);
+
+            let title_bar_container_view = close.superview().superview();
+
+            let close_rect: NSRect = msg_send![close, frame];
+            let button_height = close_rect.size.height;
+
+            let title_bar_frame_height = button_height + y;
+            let mut title_bar_rect = NSView::frame(title_bar_container_view);
+            title_bar_rect.size.height = title_bar_frame_height;
+            title_bar_rect.origin.y = NSView::frame(window).size.height - title_bar_frame_height;
+            let _: () = msg_send![title_bar_container_view, setFrame: title_bar_rect];
+
+            let window_buttons = vec![close, miniaturize, zoom];
+            let space_between = NSView::frame(miniaturize).origin.x - NSView::frame(close).origin.x;
+
+            for (i, button) in window_buttons.into_iter().enumerate() {
+                let mut rect: NSRect = NSView::frame(button);
+                rect.origin.x = x + (i as f64 * space_between);
+                button.setFrameOrigin(rect.origin);
+            }
+        }
+    }
+}