Created
June 27, 2013 15:33
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recording keypresses with browser & websockets uses: https://github.com/aaugustin/websockets
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| <html> | |
| <head> | |
| <title>key press test</title> | |
| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <h1>Press keys...</h1> | |
| WebSocket status : <span id="message"></span> | |
| <script> | |
| var ws = new WebSocket('ws://127.0.0.1:8866/'); | |
| ws.onopen = function(){ | |
| $('#message').text('WebSocket open'); | |
| }; | |
| ws.onmessage = function(ev){ | |
| $('#message').text('recieved message'); | |
| }; | |
| ws.onclose = function(ev){ | |
| $('#message').text('WebSocket has closed'); | |
| }; | |
| ws.onerror = function(ev){ | |
| $('#message').text('error occurred'); | |
| }; | |
| // TODO current bug - won't send up for first key pressed | |
| // so just padding the array with a dummy value so slice works | |
| var pressedKeys = [999999,]; | |
| $(document.body).keydown(function (evt) { | |
| if (pressedKeys.indexOf(evt.keyCode) == -1) { | |
| pressedKeys.push(evt.keyCode); | |
| console.log("down" + evt.keyCode); | |
| ws.send(evt.keyCode + ':d'); | |
| } | |
| }); | |
| $(document.body).keyup(function (evt) { | |
| if (pressedKeys.indexOf(evt.keyCode)) { | |
| var index = pressedKeys.indexOf(evt.keyCode); | |
| pressedKeys.splice(index,1); | |
| console.log("up" + evt.keyCode); | |
| ws.send(evt.keyCode + ':u'); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| import tulip | |
| import websockets | |
| @tulip.coroutine | |
| def hello(websocket, uri): | |
| while websocket.open: | |
| key_info = yield from websocket.recv() | |
| print("< {}".format(key_info)) | |
| if websocket.open: | |
| websocket.send('ack') | |
| websockets.serve(hello, 'localhost', 8866) | |
| tulip.get_event_loop().run_forever() |
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