add app groups

examples/app_library/grid_item/mod.rs

@@ -0,0 +1,50 @@
+use crate::app_group::AppGroup;
+use gtk4 as gtk;
+mod imp;
+
+use gtk::prelude::*;
+use gtk::subclass::prelude::*;
+use gtk::{gio, glib};
+
+glib::wrapper! {
+    pub struct GridItem(ObjectSubclass<imp::GridItem>)
+        @extends gtk::Widget, gtk::Box;
+}
+
+impl Default for GridItem {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl GridItem {
+    pub fn new() -> Self {
+        glib::Object::new(&[]).expect("Failed to create GridItem")
+    }
+
+    pub fn set_app_info(&self, app_info: &gio::DesktopAppInfo) {
+        let self_ = imp::GridItem::from_instance(self);
+        self_.name.set_text(&app_info.name());
+        if let Some(icon) = app_info.icon() {
+            self_.image.set_from_gicon(&icon);
+        }
+    }
+
+    pub fn set_group_info(&self, app_group: AppGroup) {
+        let self_ = imp::GridItem::from_instance(self);
+        if let Ok(name) = app_group.property("name") {
+            self_.name.set_text(
+                &name
+                    .get::<String>()
+                    .expect("property name needs to be a string."),
+            );
+        }
+        if let Ok(icon) = app_group.property("icon") {
+            &self_.image.set_from_icon_name(Some(
+                &icon
+                    .get::<String>()
+                    .expect("Property name needs to be a String."),
+            ));
+        }
+    }
+}