chore: add cosmic app list and cosmic panel buttons

applets/cosmic-app-list/src/apps_window/imp.rs

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MPL-2.0-only
+
+use crate::apps_container::AppsContainer;
+use gtk4::{glib, subclass::prelude::*};
+use once_cell::sync::OnceCell;
+// Object holding the state
+#[derive(Default)]
+
+pub struct CosmicAppListWindow {
+    pub(super) inner: OnceCell<AppsContainer>,
+}
+
+// The central trait for subclassing a GObject
+#[glib::object_subclass]
+impl ObjectSubclass for CosmicAppListWindow {
+    // `NAME` needs to match `class` attribute of template
+    const NAME: &'static str = "CosmicAppListWindow";
+    type Type = super::CosmicAppListWindow;
+    type ParentType = gtk4::ApplicationWindow;
+}
+
+// Trait shared by all GObjects
+impl ObjectImpl for CosmicAppListWindow {}
+
+// Trait shared by all widgets
+impl WidgetImpl for CosmicAppListWindow {}
+
+// Trait shared by all windows
+impl WindowImpl for CosmicAppListWindow {}
+
+// Trait shared by all application
+impl ApplicationWindowImpl for CosmicAppListWindow {}

applets/cosmic-app-list/src/apps_window/mod.rs

@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: MPL-2.0-only
+
+use crate::{apps_container::AppsContainer, fl, Event};
+use cascade::cascade;
+use gtk4::{
+    gio,
+    glib::{self, Object},
+    prelude::*,
+    subclass::prelude::*,
+};
+use tokio::sync::mpsc;
+
+mod imp;
+
+glib::wrapper! {
+    pub struct CosmicAppListWindow(ObjectSubclass<imp::CosmicAppListWindow>)
+        @extends gtk4::ApplicationWindow, gtk4::Window, gtk4::Widget,
+        @implements gio::ActionGroup, gio::ActionMap, gtk4::Accessible, gtk4::Buildable,
+                    gtk4::ConstraintTarget, gtk4::Native, gtk4::Root, gtk4::ShortcutManager;
+}
+
+impl CosmicAppListWindow {
+    pub fn new(app: &gtk4::Application, tx: mpsc::Sender<Event>) -> Self {
+        let self_: Self = Object::new(&[("application", app)])
+            .expect("Failed to create `CosmicAppListWindow`.");
+        let imp = imp::CosmicAppListWindow::from_instance(&self_);
+
+        cascade! {
+            &self_;
+            ..set_width_request(1);
+            ..set_height_request(1);
+            ..set_decorated(false);
+            ..set_resizable(false);
+            ..set_title(Some(&fl!("cosmic-app-list")));
+            ..add_css_class("transparent");
+        };
+        let app_list = AppsContainer::new(tx);
+        self_.set_child(Some(&app_list));
+        imp.inner.set(app_list).unwrap();
+
+        self_.setup_shortcuts();
+
+        self_
+    }
+
+    fn setup_shortcuts(&self) {
+        let window = self.clone().upcast::<gtk4::Window>();
+        let action_quit = gio::SimpleAction::new("quit", None);
+        action_quit.connect_activate(glib::clone!(@weak window => move |_, _| {
+            window.close();
+            if let Some(a) = window.application() { a.quit() }
+            std::process::exit(0);
+        }));
+        self.add_action(&action_quit);
+    }
+}