From 79b5d73ca7bb7e8bbb0dc187e07aff1a855f60ca Mon Sep 17 00:00:00 2001
From: Marco Arnulfo <marcoarnulfo1@gmail.com>
Date: Tue, 13 Oct 2026 02:05:12 +0200
Subject: [PATCH] Guides: Lock Guides locks the paths made into guides too
 (part of #1534)

---
 crates/engine/src/cmd/docmenu.rs    |  6 ++++--
 crates/engine/src/lib.rs            | 13 +++++++++++++
 crates/engine/src/tests_menucmds.rs | 20 ++++++++++++++++++++
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/crates/engine/src/cmd/docmenu.rs b/crates/engine/src/cmd/docmenu.rs
index dd7c317b..174fc5b0 100644
--- a/crates/engine/src/cmd/docmenu.rs
+++ b/crates/engine/src/cmd/docmenu.rs
@@ -489,8 +489,10 @@ fn release_guides(s: &mut Session, _: &Value) -> Result<Value> {
 fn lock_guides(s: &mut Session, p: &Value) -> Result<Value> {
     let v = p.get("locked").and_then(Value::as_bool).unwrap_or(!s.menu.guides_locked);
     s.menu.guides_locked = v;
-    // Locked guides can't stay selected.
-    if v && !s.doc()?.selection.guides.is_empty() {
+    // Locked guides can't stay selected, ruler guides or guide paths ([`Session::select`] lets
+    // those go).
+    let st = s.doc()?;
+    if v && (!st.selection.guides.is_empty() || st.selection.objects.iter().any(|id| crate::is_guide_path(&st.doc, *id))) {
         s.select(|_, sel| sel.guides.clear())?;
     }
     Ok(json!({ "locked": v }))
diff --git a/crates/engine/src/lib.rs b/crates/engine/src/lib.rs
index 9b2ea581..1658e831 100644
--- a/crates/engine/src/lib.rs
+++ b/crates/engine/src/lib.rs
@@ -578,6 +578,11 @@ fn strip_replay_only(id: &str, p: &mut Value) {
     }
 }
 
+/// Is `id` a path made into a guide (View → Guides → Make Guides)?
+pub(crate) fn is_guide_path(d: &Document, id: NodeId) -> bool {
+    d.node(id).is_some_and(|n| matches!(n.kind, NodeKind::Path { guide: true, .. }))
+}
+
 /// Cheap sanity check after an edit: artboards and the objects just touched (the selection) must
 /// have finite, in-range geometry, so saved files always reload and renderers never see NaN/∞.
 fn doc_sane(d: &Document, sel: &Selection) -> bool {
@@ -1482,10 +1487,18 @@ impl Session {
     /// Change only the selection (not an undo step).
     pub fn select(&mut self, f: impl FnOnce(&Document, &mut Selection)) -> Result<()> {
         self.active_appearance_item = None;
+        let guides_locked = self.menu.guides_locked;
         let st = self.doc_mut()?;
         let before = st.selection.objects.clone();
         f(&st.doc, &mut st.selection);
         st.selection.prune(&st.doc);
+        // Lock Guides locks the paths made into guides too (#1534), whatever selects them.
+        if guides_locked {
+            let locked: Vec<NodeId> = st.selection.objects.iter().copied().filter(|id| is_guide_path(&st.doc, *id)).collect();
+            for id in locked {
+                st.selection.remove(id);
+            }
+        }
         // Selecting art makes its layer (or sublayer) the current one, as in the Layers panel of
         // the reference app: new art then goes beside it.
         if st.selection.objects != before
diff --git a/crates/engine/src/tests_menucmds.rs b/crates/engine/src/tests_menucmds.rs
index 76f0e7a3..ba547acc 100644
--- a/crates/engine/src/tests_menucmds.rs
+++ b/crates/engine/src/tests_menucmds.rs
@@ -1249,6 +1249,26 @@ fn ruler_guides_and_lock() {
     assert!(s.execute("guide.remove", &json!({"index": 0})).is_err());
 }
 
+/// #1534: Lock Guides locks the paths made into guides too: they can't be selected (so neither
+/// moved, reshaped nor deleted), by a click, a marquee or Select All, and locking lets them go.
+#[test]
+fn locked_guides_lock_guide_paths() {
+    let mut s = session();
+    let (a, b) = (rect(&mut s, 0.0, 0.0, 10.0, 10.0), rect(&mut s, 20.0, 20.0, 10.0, 10.0));
+    sel(&mut s, &[a]);
+    s.execute("view.guides.make", &json!({})).unwrap();
+    s.execute("view.guides.lock", &json!({"locked": true})).unwrap();
+    sel(&mut s, &[a, b]);
+    assert_eq!(selected(&s), vec![b]);
+    s.execute("select.all", &json!({})).unwrap();
+    assert_eq!(selected(&s), vec![b]);
+    s.execute("view.guides.lock", &json!({"locked": false})).unwrap();
+    sel(&mut s, &[a, b]);
+    assert_eq!(selected(&s), vec![a, b]);
+    s.execute("view.guides.lock", &json!({"locked": true})).unwrap();
+    assert_eq!(selected(&s), vec![b]);
+}
+
 fn guides(s: &Session) -> Vec<(bool, f64)> {
     s.doc().unwrap().doc.guides.iter().map(|g| (g.vertical, g.pos)).collect()
 }