[jira] [Created] (GUACAMOLE-534) Mouse cursor goes out of sync when VNC display is scaled

["Charitha Dandeniya Arachchige (JIRA)" <ji...@apache.org>]

Charitha Dandeniya Arachchige created GUACAMOLE-534:
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             Summary: Mouse cursor goes out of sync when VNC display is scaled
                 Key: GUACAMOLE-534
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-534
             Project: Guacamole
          Issue Type: Bug
          Components: guacamole-common-js
            Reporter: Charitha Dandeniya Arachchige
         Attachments: scaleFix.diff

I'm using guacamole-common-js to write a JS client to connect to a remote desktop via VNC protocol. Following is the code I use to add Guacamole client to the display div. I'm using the scale() function to scale the VNC window. 

var display = document.getElementById("display");
var guac = new Guacamole.Client(new Guacamole.HTTPTunnel("tunnel"));
display.appendChild(guac.getDisplay().getElement());
display.scale(0.9);

When I do this the mouse cursor is going out of sync. There is a gap between the actual cursor and the remote cursor. I could fix this by correcting the mouse position in the sendMouseState() function of Client module. I have attached the scaleFix.diff file which includes this fix. I hope this would be useful.



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