Initial move

frontend/src/ui/canvas.ts

@@ -0,0 +1,26 @@
+import { UINode } from "./node";
+
+export class Canvas extends UINode {
+    private canvasElement: HTMLCanvasElement;
+    public constructor(title: string) {
+        super(title);
+        this.canvasElement = document.createElement("canvas");
+        
+        this.canvasElement.setAttribute("tabindex", "-1");
+        this.element.appendChild(this.canvasElement);
+    }
+
+    public focus() {
+        this.canvasElement.focus();
+        return this;
+    }
+
+    public click() {
+        this.canvasElement.click();
+        return this;
+    }
+
+    public getElement(): HTMLElement {
+        return this.canvasElement;
+    }
+}