User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040928 Firefox/0.9.3 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040928 Firefox/0.9.3 this report is, i believe, related to the key focus weirdo problem where key focus ends up on the previous tab or window (you know, the one that's been around for ages). i've been compiling the mozilla-qt port and running it over a wireless remote X session (_not_ using NoMachine) so it's pretty horribly slow. when entering text in a URL, i notice that there are double-key presses: keys pressed once result in two letters appearing; sometimes a key pressed is not seen at all. i believe that there may be some underlying race condition that is screwing up keyboard events, which sometimes results in key events - not on some window managers as was suspected but on some slower or busier computers - going astray. i hadn't realised that mozilla even has its own event management system (allowing it to easily be ported to other windowing systems) otherwise i would have mentioned this possibility earlier. Reproducible: Sometimes Steps to Reproduce: 1. make computer really slow: (cat /dev/zero > /dev/null; !!; !!; !!; !!; !!; !!; !!; !!; !!; cat /dev/urandom > /dev/null; !!; !!; !! and other tricks) 2. start using mozilla, typing in url input box for example.
14 years ago
Summary: really slow browser results in double-key entry → [qt]really slow browser results in double-key entry
regarding the change to this bug, which classifies it as a "qt-only" bug: my feeling is that there is an underlying and long-standing bug in mozilla's event handler, of which this _particular_ "bug" is just one of a long-standing set of symptoms. e.g. sometimes keyboard focus is lost, having clicked on a new link, such that up and down arrow do not work in moving the scrollbar of a page up and down until you click somewhere on the page (not on a link). e.g. my favourite one where you open a new window and _sometimes_ the keyboard focus remains on the window behind (!) i've documented this one before and it is "believed" by the mozilla community to be related to specific window managers only (e.g. fvwm2) whereas i believe it to be a race condition somwehere in the event handler. and therefore nothing _specifically_ to do with the QT port.
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Status: UNCONFIRMED → RESOLVED
Last Resolved: 13 years ago
Resolution: --- → EXPIRED
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