From 9f16a3732bd08298ee1081fe28781ecc7fefea9a Mon Sep 17 00:00:00 2001
From: Francisco Salgueiro <fgcdbs@gmail.com>
Date: Mon, 13 Nov 2023 23:00:27 +0000
Subject: [PATCH] stop engine when deselecting it (fixes #91)

---
 src-tauri/src/chess.rs                             |  1 +
 src/components/panels/analysis/EngineSelection.tsx | 13 +++++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src-tauri/src/chess.rs b/src-tauri/src/chess.rs
index b4fb511a..093f1f19 100644
--- a/src-tauri/src/chess.rs
+++ b/src-tauri/src/chess.rs
@@ -35,6 +35,7 @@ pub enum EngineLog {
     Engine(String),
 }
 
+#[derive(Debug)]
 pub struct EngineProcess {
     stdin: ChildStdin,
     last_depth: u8,
diff --git a/src/components/panels/analysis/EngineSelection.tsx b/src/components/panels/analysis/EngineSelection.tsx
index fd41327e..97d1a783 100644
--- a/src/components/panels/analysis/EngineSelection.tsx
+++ b/src/components/panels/analysis/EngineSelection.tsx
@@ -7,11 +7,13 @@ import { Engine } from "@/utils/engines";
 import ImageCheckbox from "./ImageCheckbox";
 import { convertFileSrc } from "@tauri-apps/api/tauri";
 import { useAtom, useAtomValue } from "jotai";
-import { enginesAtom } from "@/atoms/atoms";
+import { activeTabAtom, enginesAtom } from "@/atoms/atoms";
+import { commands } from "@/bindings";
 
 function EngineBox({ engine }: { engine: Engine }) {
   const [imageSrc, setImageSrc] = useState<string | undefined>(undefined);
   const [, setEngines] = useAtom(enginesAtom);
+  const activeTab = useAtomValue(activeTabAtom);
 
   useEffect(() => {
     (async () => {
@@ -29,13 +31,16 @@ function EngineBox({ engine }: { engine: Engine }) {
         title={engine.name}
         image={imageSrc}
         checked={engine.loaded}
-        onChange={(checked) =>
+        onChange={(checked) => {
+          if (!checked) {
+            commands.stopEngine(engine.path, activeTab!);
+          }
           setEngines(async (engines) =>
             (await engines).map((e) =>
               e.name === engine.name ? { ...e, loaded: checked } : e
             )
-          )
-        }
+          );
+        }}
       />
     </Grid.Col>
   );