Nicer key rebinding

website/package.json

@@ -48,4 +48,4 @@
     "@types/styled-components": "^5.1.26",
     "prettier": "2.8.8"
   }
-}
+}

website/src/App.tsx

@@ -1,35 +1,97 @@
 import React, { useState } from "react";
 import { Mgba } from "./mgba";
-import { BindingsControl, DefaultBindingsSet } from "./bindings";
+import { BindingsControl, DefaultBindingsSet, Bindings } from "./bindings";
+import { styled } from "styled-components";
+import { useOnKeyUp } from "./useOnKeyUp.hook";
+
+const BindingsDialog = styled.dialog`
+  border-radius: 5px;
+  margin-top: 20px;
+`;
+
+const VolumeLabel = styled.label`
+  display: flex;
+  gap: 10px;
+  margin-bottom: 20px;
+`;
+
+const CloseButton = styled.button`
+  width: 100%;
+  margin-top: 20px;
+`;
 
 function App() {
   const [volume, setVolume] = useState(1.0);
   const [bindings, setBindings] = useState(DefaultBindingsSet());
   const [paused, setPaused] = useState(false);
 
+  const [showBindings, setShowBindings] = useState(false);
+
+  useOnKeyUp("Escape", () => {
+    setShowBindings(!showBindings);
+  });
+
   return (
     <div>
+      {showBindings && (
+        <BindingsWindow
+          bindings={bindings}
+          setBindings={setBindings}
+          setPaused={setPaused}
+          volume={volume}
+          setVolume={setVolume}
+          hide={() => setShowBindings(false)}
+        />
+      )}
       <Mgba
         gameUrl="/game.gba"
         volume={volume}
         controls={bindings.Actual}
         paused={paused}
       />
-      <input
-        type="range"
-        value={volume}
-        min="0"
-        max="1"
-        step="0.05"
-        onChange={(e) => setVolume(Number(e.target.value))}
-      ></input>
+    </div>
+  );
+}
 
+function BindingsWindow({
+  bindings,
+  setBindings,
+  setPaused,
+  volume,
+  setVolume,
+  hide,
+}: {
+  bindings: Bindings;
+  setBindings: (b: Bindings) => void;
+  setPaused: (paused: boolean) => void;
+  volume: number;
+  setVolume: (v: number) => void;
+  hide: () => void;
+}) {
+  return (
+    <BindingsDialog open onClose={hide}>
+      <VolumeLabel>
+        Volume:
+        <input
+          type="range"
+          value={volume}
+          min="0"
+          max="1"
+          step="0.05"
+          onChange={(e) => {
+            console.log("e.target.value", e.target.value);
+            console.log("volume", volume);
+            setVolume(Number(e.target.value));
+          }}
+        />
+      </VolumeLabel>
       <BindingsControl
         bindings={bindings}
         setBindings={setBindings}
         setPaused={setPaused}
       />
-    </div>
+      <CloseButton onClick={hide}>Close</CloseButton>
+    </BindingsDialog>
   );
 }
 

website/src/bindings.tsx

@@ -63,7 +63,7 @@ export type KeyBindings = {
   [key in GbaKey]: string;
 };
 
-interface Bindings {
+export interface Bindings {
   Displayed: KeyBindings;
   Actual: KeyBindings;
 }

website/src/index.tsx

@@ -5,6 +5,7 @@ import App from "./App";
 const root = ReactDOM.createRoot(
   document.getElementById("root") as HTMLElement
 );
+
 root.render(
   <React.StrictMode>
     <App />

website/src/mgba.tsx

@@ -78,7 +78,7 @@ export const Mgba: FC<MgbaProps> = ({ gameUrl, volume, controls, paused }) => {
         try {
           mgbaModule.current.quitGame();
           mgbaModule.current.quitMgba();
-        } catch { }
+        } catch {}
       };
   }, [state]);
 
@@ -114,33 +114,5 @@ export const Mgba: FC<MgbaProps> = ({ gameUrl, volume, controls, paused }) => {
     }
   }, [gameLoaded, paused]);
 
-  return (
-    <>
-      <MgbaCanvas ref={canvas} />
-      <button
-        onClick={() => {
-          if (state !== MgbaState.Initialised) return;
-          mgbaModule.current.saveState(0);
-        }}
-      >
-        Save State
-      </button>
-      <button
-        onClick={() => {
-          if (state !== MgbaState.Initialised) return;
-          mgbaModule.current.loadState(0);
-        }}
-      >
-        Load State
-      </button>
-      <button
-        onClick={() => {
-          if (state !== MgbaState.Initialised) return;
-          mgbaModule.current.quickReload();
-        }}
-      >
-        Restart
-      </button>
-    </>
-  );
+  return <MgbaCanvas ref={canvas} />;
 };

website/src/useOnKeyUp.hook.ts

@@ -0,0 +1,18 @@
+import { useEffect } from "react";
+
+export const useOnKeyUp = (targetKey: string, callback: () => void) => {
+  useEffect(() => {
+    const downHandler = (evnt: KeyboardEvent) => {
+      console.log(evnt.key);
+      if (evnt.key === targetKey) {
+        callback();
+      }
+    };
+
+    window.addEventListener("keyup", downHandler);
+
+    return () => {
+      window.removeEventListener("keyup", downHandler);
+    };
+  }, []);
+};