enigo 0.6.1

Cross-platform (Linux, Windows, macOS & BSD) library to simulate keyboard and mouse events
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Enigo Universal Test</title>
</head>

<body>
    <h1>Conducted tests</h1>
    <!-- Checkbox to disable WebSocket connection -->
    <input type="checkbox" id="disableWS" name="disableWS" />
    <label for="disableWS"> Disable WebSocket Connection</label><br>
    <input type="checkbox" id="KeyDown" name="KeyDown">
    <label for="KeyDown"> KeyDown</label><br>
    <input type="checkbox" id="KeyUp" name="KeyUp">
    <label for="KeyUp"> KeyUp</label><br>
    <input type="checkbox" id="MouseDown" name="MouseDown">
    <label for="MouseDown"> MouseDown</label><br>
    <input type="checkbox" id="MouseUp" name="MouseUp">
    <label for="MouseUp"> MouseUp</label><br>
    <input type="checkbox" id="MouseMove" name="MouseMove">
    <label for="MouseMove"> MouseMove</label><br>
    <input type="checkbox" id="MouseScroll" name="MouseScroll">
    <label for="MouseScroll"> MouseScroll</label><br>
    <textarea id="text" name="text" rows="20" cols="50"></textarea><br>

    <script>
        let ignoreKeyEvents = false; // Flag to ignore key events
        let ws; // WebSocket instance
        let messageQueue = []; // Queue to store pending messages
        let reconnectInterval = 1000; // Initial reconnect interval (1 second)

        // Focus on the textarea when the page loads and initialize WebSocket if not disabled
        window.onload = () => {
            const textArea = document.getElementById('text');
            textArea.focus();
            // Only initialize the WebSocket if the disable checkbox is not checked
            if (!document.getElementById('disableWS').checked) {
                initializeWebSocket();
            }
        };

        // Listen for changes on the disable checkbox
        document.getElementById('disableWS').addEventListener('change', function () {
            if (!this.checked) {
                // If unchecked and there is no active WebSocket, attempt reconnect
                if (!ws || ws.readyState !== WebSocket.OPEN) {
                    console.log('WebSocket re-enabled via checkbox. Attempting to reconnect...');
                    initializeWebSocket();
                }
            }
        });

        // Prevent other elements from gaining focus
        document.addEventListener('focusin', (event) => {
            const textArea = document.getElementById('text');
            if (event.target !== textArea) {
                event.preventDefault();
                textArea.focus();
            }
        });

        // Initialize or reconnect WebSocket
        function initializeWebSocket() {
            console.log('Attempting to connect WebSocket...');
            ws = new WebSocket('ws://localhost:26541');

            // Handle WebSocket open
            ws.addEventListener('open', () => {
                console.log('WebSocket connected');
                flushMessageQueue(); // Send all pending messages
            });

            // Handle WebSocket close and attempt reconnection
            ws.addEventListener('close', () => {
                console.warn('WebSocket disconnected. Retrying...');
                scheduleReconnect();
            });

            // Handle WebSocket errors
            ws.addEventListener('error', (error) => {
                console.error('WebSocket error:', error);
                scheduleReconnect();
            });

            // Handle incoming WebSocket messages
            ws.addEventListener('message', (event) => {
                console.log('Received message:', event.data);

                // Server asks to clear the text and focus on it
                if (event.data === 'ClearText') {
                    document.getElementById('text').value = '';
                    document.getElementById('text').focus();
                    // Set flag to ignore key events
                    ignoreKeyEvents = true;
                    sendMessage(`ReadyForText`);
                }

                // Server asks for the form's content
                if (event.data === 'GetText') {
                    const text = document.getElementById('text').value;

                    // Send the form's content via WebSocket
                    sendMessage(`Text(\"${text}\")`);

                    // Reset flag after sending text, allowing key events again
                    ignoreKeyEvents = false;
                }
            });
        }

        // Schedule a reconnect every second if WebSocket is not disabled
        function scheduleReconnect() {
            if (document.getElementById('disableWS').checked) {
                console.log('WebSocket connection is disabled by checkbox.');
                return;
            }
            setTimeout(() => {
                // Only try to reconnect if still not connected
                if (!ws || ws.readyState !== WebSocket.OPEN) {
                    initializeWebSocket();
                }
            }, 1000); // Retry every 1000 milliseconds (1 second)
        }

        // Queue a message or send it directly if WebSocket is connected
        function sendMessage(message) {
            if (ws && ws.readyState === WebSocket.OPEN) {
                ws.send(message);
            } else {
                messageQueue.push(message); // Store message in the queue
            }
        }

        // Flush the message queue
        function flushMessageQueue() {
            while (messageQueue.length > 0) {
                const message = messageQueue.shift();
                ws.send(message);
            }
        }

        // Helper function to handle events
        const handleEvent = (eventType, data = '') => {
            const message = `${eventType}${data}`;
            console.log(message);
            document.getElementById(eventType).checked = true;
            sendMessage(message);
        };

        // document.addEventListener('open', (event) => handleEvent('Open', event));
        // document.addEventListener('close', (event) => handleEvent('Close', event));

        // Handle keydown events but ignore if flag is set
        document.addEventListener('keydown', (event) => {
            if (!ignoreKeyEvents) {

                let debug_data = `key: ${event.key}, which: ${event.which}, charCode: ${event.charCode}, shiftKey: ${event.shiftKey}, ctrlKey: ${event.ctrlKey}, altKey: ${event.altKey}, metaKey: ${event.metaKey}, repeat: ${event.repeat}, isComposing: ${event.isComposing}, location: ${event.location}, bubbles: ${event.bubbles}, cancelable: ${event.cancelable}, defaultPrevented: ${event.defaultPrevented}, composed: ${event.composed}`;

                handleEvent('KeyDown', `(\"${event.code}\", \"${debug_data}\")`);
            }
        });

        // Handle keyup events but ignore if flag is set
        document.addEventListener('keyup', (event) => {
            if (!ignoreKeyEvents) {

                let debug_data = `key: ${event.key}, which: ${event.which}, charCode: ${event.charCode}, shiftKey: ${event.shiftKey}, ctrlKey: ${event.ctrlKey}, altKey: ${event.altKey}, metaKey: ${event.metaKey}, repeat: ${event.repeat}, isComposing: ${event.isComposing}, location: ${event.location}, bubbles: ${event.bubbles}, cancelable: ${event.cancelable}, defaultPrevented: ${event.defaultPrevented}, composed: ${event.composed}`;

                handleEvent('KeyUp', `(\"${event.code}\", \"${debug_data}\")`);
            }
        });

        document.addEventListener('mousedown', (event) => handleEvent('MouseDown', `(${event.button})`));
        document.addEventListener('mouseup', (event) => handleEvent('MouseUp', `(${event.button})`));
        document.addEventListener('mousemove', (event) => handleEvent('MouseMove', `((${event.movementX},${event.movementY}),(${event.screenX},${event.screenY}))`));
        document.addEventListener('wheel', (event) => handleEvent('MouseScroll', `(${event.deltaX},${event.deltaY})`));
    </script>
</body>

</html>