Initial port of notifications to an applet

applets/cosmic-applet-notifications/src/main.rs

@@ -0,0 +1,58 @@
+use cascade::cascade;
+use gtk4::{glib, prelude::*};
+
+mod dbus_service;
+mod deref_cell;
+mod notification_popover;
+use notification_popover::NotificationPopover;
+mod notification_list;
+mod notification_widget;
+use notification_list::NotificationList;
+mod notifications;
+use notifications::Notifications;
+
+fn main() {
+    gtk4::init().unwrap();
+
+    // XXX Implement DBus service somewhere other than applet?
+    let notifications = Notifications::new();
+
+    let provider = gtk4::CssProvider::new();
+    provider.load_from_data(include_bytes!("style.css"));
+    gtk4::StyleContext::add_provider_for_display(
+        &gtk4::gdk::Display::default().expect("Could not connect to a display."),
+        &provider,
+        gtk4::STYLE_PROVIDER_PRIORITY_APPLICATION,
+    );
+
+    let notification_list = NotificationList::new(&notifications);
+
+    let popover = cascade! {
+        gtk4::Popover::new();
+        ..set_child(Some(&notification_list));
+    };
+
+    let menu_button = cascade! {
+        gtk4::MenuButton::new();
+        ..set_popover(Some(&popover));
+    };
+
+    // XXX show in correct place
+    cascade! {
+        NotificationPopover::new(&notifications);
+        ..set_parent(&menu_button);
+    };
+
+    gtk4::Window::builder()
+        .decorated(false)
+        .child(&menu_button)
+        .resizable(false)
+        .width_request(1)
+        .height_request(1)
+        .css_classes(vec!["root_window".to_string()])
+        .build()
+        .show();
+
+    let main_loop = glib::MainLoop::new(None, false);
+    main_loop.run();
+}