54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
// Thin wrapper over the vendored guacamole-common-js client.
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// The library attaches a global `Guacamole` object when loaded.
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declare const Guacamole: any;
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export function openConsole(
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container: HTMLElement,
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wsUrl: string,
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connectData = ""
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): { disconnect: () => void; setScale: (scale: number) => void } {
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// Guacamole's WebSocketTunnel builds the socket URL as `wsUrl + "?" + data`,
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// so wsUrl must NOT already contain a query string — pass params via connectData.
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const tunnel = new Guacamole.WebSocketTunnel(wsUrl);
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const client = new Guacamole.Client(tunnel);
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container.innerHTML = "";
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container.appendChild(client.getDisplay().getElement());
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client.connect(connectData);
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const display = client.getDisplay();
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let scale = 1;
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// Wire keyboard + mouse. The display element is rendered at `scale` of the
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// remote's native resolution, but Guacamole.Mouse reports coordinates in
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// element (on-screen) pixels. Divide by scale to map back to remote
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// coordinates, otherwise the cursor is offset.
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const mouse = new Guacamole.Mouse(display.getElement());
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mouse.onmousedown = mouse.onmouseup = mouse.onmousemove = (state: any) => {
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const s = new Guacamole.Mouse.State(
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state.x / scale,
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state.y / scale,
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state.left,
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state.middle,
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state.right,
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state.up,
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state.down
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);
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client.sendMouseState(s);
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};
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const keyboard = new Guacamole.Keyboard(document);
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keyboard.onkeydown = (k: number) => client.sendKeyEvent(1, k);
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keyboard.onkeyup = (k: number) => client.sendKeyEvent(0, k);
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return {
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disconnect() {
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client.disconnect();
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},
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setScale(s: number) {
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scale = s;
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display.scale(s);
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},
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};
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}
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