feat: new focused window module

src/sway/node.rs

@@ -0,0 +1,45 @@
+use crate::sway::SwayNode;
+use ksway::{Client, IpcCommand};
+
+impl SwayNode {
+    pub fn get_id(&self) -> &str {
+        self.app_id.as_ref().map_or_else(
+            || {
+                &self
+                    .window_properties
+                    .as_ref()
+                    .expect("cannot find node name")
+                    .class
+            },
+            |app_id| app_id,
+        )
+    }
+
+    pub fn is_xwayland(&self) -> bool {
+        self.shell == Some(String::from("xwayland"))
+    }
+}
+
+fn check_node(node: SwayNode, window_nodes: &mut Vec<SwayNode>) {
+    if node.name.is_some() && (node.node_type == "con" || node.node_type == "floating_con") {
+        window_nodes.push(node);
+    } else {
+        node.nodes.into_iter().for_each(|node| {
+            check_node(node, window_nodes);
+        });
+
+        node.floating_nodes.into_iter().for_each(|node| {
+            check_node(node, window_nodes);
+        });
+    }
+}
+
+pub fn get_open_windows(sway: &mut Client) -> Vec<SwayNode> {
+    let raw = sway.ipc(IpcCommand::GetTree).unwrap();
+    let root_node = serde_json::from_slice::<SwayNode>(&raw).unwrap();
+
+    let mut window_nodes = vec![];
+    check_node(root_node, &mut window_nodes);
+
+    window_nodes
+}