Add selectors for routes to persistable selection

topola/src/board/selections/component.rs

@@ -4,19 +4,20 @@
 
 use std::collections::BTreeSet;
 
+use derive_more::Constructor;
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
+#[derive(Clone, Constructor, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct ComponentSelector {
     pub component: String,
 }
 
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct ComponentSelection(pub BTreeSet<ComponentSelector>);
 
 impl ComponentSelection {
     pub fn new() -> Self {
-        Self(BTreeSet::new())
+        Default::default()
     }
 
     pub fn toggle(&mut self, selector: ComponentSelector) {

topola/src/board/selections/mod.rs

@@ -5,6 +5,7 @@
 mod component;
 mod persistable;
 mod pin;
+mod route;
 
 pub use component::{ComponentSelection, ComponentSelector};
 pub use persistable::PersistableSelection;

topola/src/board/selections/persistable.rs

@@ -4,11 +4,15 @@
 
 use serde::{Deserialize, Serialize};
 
-use crate::board::selections::{ComponentSelection, PinSelection};
+use crate::{
+    board::selections::{ComponentSelection, PinSelection},
+    selections::route::RouteSelection,
+};
 
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct PersistableSelection {
     pub components: ComponentSelection,
+    pub routes: RouteSelection,
     pub pins: PinSelection,
 }
 
@@ -16,6 +20,7 @@ impl PersistableSelection {
     pub fn new() -> Self {
         Self {
             components: ComponentSelection::new(),
+            routes: RouteSelection::new(),
             pins: PinSelection::new(),
         }
     }

topola/src/board/selections/pin.rs

@@ -4,20 +4,23 @@
 
 use std::collections::BTreeSet;
 
+use derive_more::Constructor;
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
+#[derive(
+    Clone, Constructor, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize,
+)]
 pub struct PinSelector {
     pub pin: String,
     pub layer: String,
 }
 
-#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
+#[derive(Clone, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct PinSelection(pub BTreeSet<PinSelector>);
 
 impl PinSelection {
     pub fn new() -> Self {
-        Self(BTreeSet::new())
+        Default::default()
     }
 
     pub fn toggle(&mut self, selector: PinSelector) {

topola/src/board/selections/route.rs

@@ -0,0 +1,41 @@
+// SPDX-FileCopyrightText: 2026 Topola contributors
+//
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+use std::collections::BTreeSet;
+
+use serde::{Deserialize, Serialize};
+
+use crate::selections::PinSelector;
+
+#[derive(Clone, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
+pub struct RouteSelector {
+    lesser_pin: PinSelector,
+    greater_pin: PinSelector,
+}
+
+impl RouteSelector {
+    pub fn new(pin1: PinSelector, pin2: PinSelector) -> Self {
+        Self {
+            lesser_pin: std::cmp::min(pin1.clone(), pin2.clone()),
+            greater_pin: std::cmp::max(pin1, pin2),
+        }
+    }
+}
+
+#[derive(Clone, Debug, Default, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
+pub struct RouteSelection(pub BTreeSet<RouteSelector>);
+
+impl RouteSelection {
+    pub fn new() -> Self {
+        Default::default()
+    }
+
+    pub fn toggle(&mut self, selector: RouteSelector) {
+        if self.0.contains(&selector) {
+            self.0.remove(&selector);
+        } else {
+            self.0.insert(selector);
+        }
+    }
+}