I am also running XP and I can confirm this. Although it does not hang every single time I press Alt (sometimes I can press it several times without it freezing).
On Jan 5, 8:13 pm, Jonathan Hartley <[email protected]> wrote: > On Jan 3, 8:11 pm, Jonathan Hartley <[email protected]> wrote: > > > > > Hi there, Happy New Year all. > > > I've noticed that pressing the Alt key hangs my Pyglet application. > > Specifically, the hang occurs right after the window.on_key_release > > event. Clock scheduled updates and screen refreshes seem to stop happening. > > > The application starts updating again if ALT is pressed again, or if the > > mouse cursor is clicked on the window. Pressing any other key also > > unhangs it, with an MSWindows error beep. > > > Attached is a minimal pyglet application that demonstrates the behaviour > > on my machine. > > > Is there a way to stop this from happening? > > > I'm on Windows XP. This doesn't happen if my application is fullscreen, > > it only happens in windowed mode. > > > I'm guessing that this is related to the way the ALT key in Windows lets > > users use the keyboard to navigate pull-down menus. Windows is > > suspending all events to my application while it waits for me to > > navigate the pull down menus (and there aren't any pull down menus - > > it's a typical pyglet.window.Window.) > > > I've tried a couple of wild guesses at workarounds, such as setting > > exclusive keyboard for the application's window, or else returning > > EVENT_HANDLED from the on_key_press or on_key_release handlers, but they > > don't seem to help. > > > Best regards, > > > Jonathan > > > -- > > Jonathan Hartley Made of meat. http://tartley.com > > [email protected] +44 7737 062 225 twitter/skype: tartley > > > minimal-repro.py > > < 1KViewDownload > > Oh, I should also have asked: Does anyone else even see this, or is it > just me?
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