Update App.js

src/App.js

@@ -82,6 +82,7 @@ export default function App() {
     }
 
     function handleMouseDownCanvas(e) {
+        if(e.button === 0) {
             mouseDownCanvas = true
             hintContext.clearRect(0, 0, 5000, 3000)
             setShowTextInput(false)
@@ -108,8 +109,10 @@ export default function App() {
                 hintContext.fill()
             }
         }
+    }
 
     function handleMouseUpCanvas(e) {
+        if(e.button === 0) {
             mouseDownCanvas = false
 
             if (selectedTool === "rect") {
@@ -148,6 +151,7 @@ export default function App() {
                 textInput.focus()
             }
         }
+    }
 
     function handleMouseMove(e) {
         let mouseX = e.pageX