context menu and is_checked

examples/gtk.rs

@@ -25,6 +25,8 @@ fn on_startup(_: &gtk4::Application) {
 
 #[cfg(target_os = "linux")]
 fn on_activate(application: &gtk4::Application) {
+    use muda::ContextMenu;
+
     let window = gtk4::ApplicationWindow::builder()
         .application(application)
         .title("Menubar Example")
@@ -35,15 +37,21 @@ fn on_activate(application: &gtk4::Application) {
 
     window.present();
 
-    let menubar = {
+    let (menubar, file_menu) = {
         let file_menu = {
             let about_menu_item = muda::MenuItem::new("About", true, None);
+
             let check = muda::CheckMenuItem::new(
                 "Check",
                 true,
                 true,
                 Some(Accelerator::new(Modifiers::CONTROL, Code::KeyQ)),
             );
+
+            let path = concat!(env!("CARGO_MANIFEST_DIR"), "/examples/icon.png");
+            let icon = load_icon(std::path::Path::new(path));
+            let icon_menu_item = muda::IconMenuItem::new("Icon", true, Some(icon), None);
+
             let quit_menu_item = muda::MenuItem::with_id(
                 "quit",
                 "&Quit",
@@ -54,21 +62,41 @@ fn on_activate(application: &gtk4::Application) {
             let file_menu = muda::Submenu::new("&File", true);
             file_menu.append(&about_menu_item).unwrap();
             file_menu.append(&check).unwrap();
+            file_menu.append(&icon_menu_item).unwrap();
             file_menu.append(&quit_menu_item).unwrap();
             file_menu
         };
 
         let menubar = muda::Menu::new();
         menubar.append(&file_menu).unwrap();
 
-        menubar
+        (menubar, file_menu)
     };
 
     let vbox = gtk4::Box::new(gtk4::Orientation::Vertical, 0);
     menubar.init_for_gtk_window(&window, Some(&vbox)).unwrap();
 
+    let btn = gtk4::Button::with_label("ASdasd");
+    let w = window.clone();
+    btn.connect_clicked(move |_| {
+        file_menu.show_context_menu_for_gtk_window(w.dynamic_cast_ref().unwrap(), None);
+    });
+    vbox.append(&btn);
+
     window.set_child(Some(&vbox));
 }
 
 #[cfg(not(target_os = "linux"))]
 fn main() {}
+
+fn load_icon(path: &std::path::Path) -> muda::Icon {
+    let (icon_rgba, icon_width, icon_height) = {
+        let image = image::open(path)
+            .expect("Failed to open icon path")
+            .into_rgba8();
+        let (width, height) = image.dimensions();
+        let rgba = image.into_raw();
+        (rgba, width, height)
+    };
+    muda::Icon::from_rgba(icon_rgba, icon_width, icon_height).expect("Failed to open icon")
+}

src/error.rs

@@ -26,6 +26,8 @@ pub enum Error {
     AlreadyInitialized,
     #[error(transparent)]
     AcceleratorParseError(#[from] AcceleratorParseError),
+    #[error("Gtk Window doesn't have an application")]
+    GtkWindowWithoutApplication,
 }
 
 /// Convenient type alias of Result type for muda.