WIP NotificationPopover

src/notification_popover.rs

@@ -0,0 +1,57 @@
+use cascade::cascade;
+use gtk4::{
+    glib::{self, clone},
+    prelude::*,
+    subclass::prelude::*,
+};
+
+use crate::deref_cell::DerefCell;
+
+#[derive(Default)]
+pub struct NotificationPopoverInner {
+    label: DerefCell<gtk4::Label>,
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for NotificationPopoverInner {
+    const NAME: &'static str = "S76NotificationPopover";
+    type ParentType = gtk4::Popover;
+    type Type = NotificationPopover;
+}
+
+impl ObjectImpl for NotificationPopoverInner {
+    fn constructed(&self, obj: &NotificationPopover) {
+        let label = cascade! {
+            gtk4::Label::new(None);
+        };
+
+        cascade! {
+            obj;
+            ..set_autohide(false);
+            ..set_has_arrow(false);
+            ..set_offset(0, 12);
+            ..set_child(Some(&label));
+        };
+
+        self.label.set(label);
+    }
+}
+
+impl WidgetImpl for NotificationPopoverInner {}
+impl PopoverImpl for NotificationPopoverInner {}
+
+glib::wrapper! {
+    pub struct NotificationPopover(ObjectSubclass<NotificationPopoverInner>)
+        @extends gtk4::Popover, gtk4::Widget;
+}
+
+impl NotificationPopover {
+    pub fn new() -> Self {
+        let obj = glib::Object::new::<Self>(&[]).unwrap();
+        obj
+    }
+
+    fn inner(&self) -> &NotificationPopoverInner {
+        NotificationPopoverInner::from_instance(self)
+    }
+}