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Button onClick not firing for touchscreen devices

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Using that latest Qt 5.1.2, a button onclick event is not firing when run on a Windows 8 touchscreen. Using Qt 5.0, it fires just fine. To reproduce, just create the html5application test app and change your index.html to be this: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html  xml:lang="en">     <head>         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />         <style type="text/css">             body { margin: 0; font-size: 2em; background-color: white; }             h1 { text-align: center; color: red; }             h1 + h1 { color: green; }             h1:last-child { color: blue; }             #quit { background-color: gray; color: white; font-weight: bold; display: block; text-align: right; }         </style>         [removed]             var counter = 0;             function toggleElement()             {                 var elements = document.getElementsByTagName('h1');                 for (var i = 0; i < elements.length; ++i)                     elements[i].style.display = (counter % elements.length) == i ? '' : 'none';                 counter++;                 setTimeout('toggleElement()', 1000);             }             window.onload = function()             {                 document.getElementById("quit").onmousedown = function()                 {                     Qt.quit();                 };                 toggleElement();             }             function clicked()             {                 alert("Clicked");             }         [removed]     </head>     <body>         <a id="quit">X</a>         <h1>Hello</h1>         <h1>HTML5</h1>         <h1>World</h1>         <p><button type="button" >Click Me!</button></p>     </body> </html> Works fine when compiled with 5.0 (you see the javascript alert when you touch the button) but nothing shows up on the tablet when compiled against the latest Qt.

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