spice-client 0.2.0

A pure Rust SPICE client library with native and WebAssembly support
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>SPICE Client WASM Test</title>
    <style>
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background: #f5f5f5;
        }
        .container {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        h1 {
            color: #333;
            margin-top: 0;
        }
        .controls {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .control-group {
            display: flex;
            gap: 5px;
            align-items: center;
        }
        label {
            font-weight: 500;
        }
        input, button {
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
        }
        input {
            width: 120px;
        }
        button {
            background: #007bff;
            color: white;
            border: none;
            cursor: pointer;
            font-weight: 500;
        }
        button:hover {
            background: #0056b3;
        }
        button:disabled {
            background: #ccc;
            cursor: not-allowed;
        }
        .disconnect {
            background: #dc3545;
        }
        .disconnect:hover:not(:disabled) {
            background: #c82333;
        }
        #canvas-container {
            border: 1px solid #ddd;
            border-radius: 4px;
            background: #000;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        #spice-canvas {
            display: block;
            max-width: 100%;
            height: auto;
        }
        .status {
            padding: 10px;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        .status.info {
            background: #d1ecf1;
            border: 1px solid #bee5eb;
            color: #0c5460;
        }
        .status.error {
            background: #f8d7da;
            border: 1px solid #f5c6cb;
            color: #721c24;
        }
        .status.success {
            background: #d4edda;
            border: 1px solid #c3e6cb;
            color: #155724;
        }
        #log {
            background: #f8f9fa;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 10px;
            max-height: 200px;
            overflow-y: auto;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            white-space: pre-wrap;
        }
        .log-entry {
            margin-bottom: 5px;
        }
        .log-entry.error {
            color: #dc3545;
        }
        .log-entry.info {
            color: #17a2b8;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>SPICE Client WASM Test</h1>

        <div class="controls">
            <div class="control-group">
                <label for="host">Host:</label>
                <input type="text" id="host" value="localhost" />
            </div>
            <div class="control-group">
                <label for="port">Port:</label>
                <input type="number" id="port" value="8080" />
            </div>
            <button id="connect-btn">Connect</button>
            <button id="disconnect-btn" class="disconnect" disabled>Disconnect</button>
        </div>

        <div id="status" class="status info">
            Ready to connect. Enter SPICE server details above.
        </div>

        <div id="canvas-container">
            <canvas id="spice-canvas" width="800" height="600"></canvas>
        </div>

        <h3>Connection Log</h3>
        <div id="log"></div>
    </div>

    <script type="module">
        import init, { SpiceClient } from '../pkg/spice_client.js';

        let client = null;
        let isConnected = false;
        const statusEl = document.getElementById('status');
        const logEl = document.getElementById('log');
        const connectBtn = document.getElementById('connect-btn');
        const disconnectBtn = document.getElementById('disconnect-btn');
        const canvas = document.getElementById('spice-canvas');

        function log(message, type = 'info') {
            const entry = document.createElement('div');
            entry.className = `log-entry ${type}`;
            const timestamp = new Date().toLocaleTimeString();
            entry.textContent = `[${timestamp}] ${message}`;
            logEl.appendChild(entry);
            logEl.scrollTop = logEl.scrollHeight;
            console.log(message);
        }

        function setStatus(message, type = 'info') {
            statusEl.textContent = message;
            statusEl.className = `status ${type}`;
        }

        async function connect() {
            const host = document.getElementById('host').value;
            const port = parseInt(document.getElementById('port').value);

            if (!host || !port) {
                setStatus('Please enter host and port', 'error');
                return;
            }

            try {
                setStatus('Initializing WASM module...', 'info');
                log('Initializing WASM module...');

                await init();
                log('WASM module loaded successfully');

                const wsUrl = `ws://${host}:${port}`;
                setStatus(`Connecting to ${wsUrl}...`, 'info');
                log(`Connecting to ${wsUrl}...`);

                // Create SPICE client with WebSocket URL and canvas
                client = new SpiceClient(wsUrl, canvas);
                log('SPICE client created');

                // Connect to server
                setStatus('Connecting to SPICE server...', 'info');
                await client.connect();

                log('Connected to SPICE server', 'info');
                setStatus('Connected', 'success');
                isConnected = true;
                connectBtn.disabled = true;
                disconnectBtn.disabled = false;

            } catch (error) {
                log(`Connection failed: ${error}`, 'error');
                setStatus(`Connection failed: ${error}`, 'error');
                connectBtn.disabled = false;
                disconnectBtn.disabled = true;
            }
        }

        async function disconnect() {
            if (client) {
                log('Disconnecting...');
                setStatus('Disconnecting...', 'info');
                isConnected = false;
                await client.disconnect();
                client = null;
                connectBtn.disabled = false;
                disconnectBtn.disabled = true;
                log('Disconnected', 'info');
                setStatus('Disconnected', 'info');
            }
        }

        // Event listeners
        connectBtn.addEventListener('click', connect);
        disconnectBtn.addEventListener('click', disconnect);

        // Handle keyboard/mouse events
        canvas.addEventListener('mousedown', (e) => {
            if (client && isConnected) {
                e.preventDefault();
                try {
                    client.send_mouse_button(e.button, true);
                } catch (err) {
                    console.error('Mouse button error:', err);
                }
            }
        });

        canvas.addEventListener('mouseup', (e) => {
            if (client && isConnected) {
                e.preventDefault();
                try {
                    client.send_mouse_button(e.button, false);
                } catch (err) {
                    console.error('Mouse button error:', err);
                }
            }
        });

        canvas.addEventListener('mousemove', (e) => {
            if (client && isConnected) {
                try {
                    const rect = canvas.getBoundingClientRect();
                    const x = Math.floor(e.clientX - rect.left);
                    const y = Math.floor(e.clientY - rect.top);
                    client.send_mouse_move(x, y);
                } catch (err) {
                    // Silently ignore mouse move errors to avoid spam
                    console.debug('Mouse move error:', err);
                }
            }
        });

        document.addEventListener('keydown', (e) => {
            if (client && isConnected && !e.repeat) {
                // Only send if focus is on canvas or body (not input fields)
                const activeEl = document.activeElement;
                if (activeEl === canvas || activeEl === document.body) {
                    e.preventDefault();
                    try {
                        client.send_key(e.keyCode, true);
                    } catch (err) {
                        console.error('Key event error:', err);
                    }
                }
            }
        });

        document.addEventListener('keyup', (e) => {
            if (client && isConnected) {
                const activeEl = document.activeElement;
                if (activeEl === canvas || activeEl === document.body) {
                    e.preventDefault();
                    try {
                        client.send_key(e.keyCode, false);
                    } catch (err) {
                        console.error('Key event error:', err);
                    }
                }
            }
        });

        log('SPICE Client WASM Test Interface Ready');
        setStatus('Ready to connect', 'info');
    </script>
</body>
</html>