On Fri, Nov 17, 2017 at 05:32:32PM -0800, Sweenu wrote: > Thank you Tycho, > > I looked into it, and it seems like, it is useless in my case. Indeed, ev's > values don't change between a screen plugging and a screen configuration > (beside the timestamps and sequence ofc). > It's really too bad because I feel like the screen_change hook isn't really > all that powerful without this information. For exemple if we tell qtile to > restart on screen_change but have a script that automatically setup the > monitors when a new one is plugged, then we enter a non-ending cycle of > qtile restarting...
What if you just save the last screen configuration, and then check a diff? Given that the numbers don't change (except for on the first event, when the screen is actually attached), won't that be enough? Cheers, Tycho > But yeah, that's life. I guess we'll continue using the pyudev technique > for now. It's just that I've had a lot of troubles and inconsistency with > it. > Anyway, thanks for your help! > > Cheers, > > Bruno (Sweenu) > > On Thursday, November 16, 2017 at 6:44:56 PM UTC+1, Tycho Andersen wrote: > > > > Hey Bruny, > > > > On Wed, Nov 15, 2017 at 11:20:00PM -0800, Bruno Inec wrote: > > > I have a very hard time finding the use of ev in: > > > > > > @libqtile.hook.subscribe.screen_change > > > def restart_on_randr(qtile, ev): > > > qtile.cmd_restart() > > > > > > > > > I'd like to know when it's just a screen plugged or if it is a change in > > > the configuration through randr. > > > Is it possbile to do so with the 'ev' argument? > > > > Probably, but you'd have to do more digging than I have time for at > > the moment. 'ev' is a ScreenChangeNotifyEvent object, > > > > <event name="ScreenChangeNotify" number="0"> > > <field type="CARD8" name="rotation" mask="Rotation" /> > > <field type="TIMESTAMP" name="timestamp" /> > > <field type="TIMESTAMP" name="config_timestamp" /> > > <field type="WINDOW" name="root" /> > > <field type="WINDOW" name="request_window" /> > > <field type="CARD16" name="sizeID" /> > > <field type="CARD16" name="subpixel_order" enum="SubPixel" > > /> > > <field type="CARD16" name="width" /> > > <field type="CARD16" name="height" /> > > <field type="CARD16" name="mwidth" /> > > <field type="CARD16" name="mheight" /> > > </event> > > > > I guess looking at some properties of the root window combined with > > the width/height you'll be able to figure this out. > > > > Cheers, > > > > Tycho > > > > > Thank you! > > > > > > -- > > > You received this message because you are subscribed to the Google > > Groups "qtile-dev" group. > > > To unsubscribe from this group and stop receiving emails from it, send > > an email to [email protected] <javascript:>. > > > For more options, visit https://groups.google.com/d/optout. > > > > > > -- > You received this message because you are subscribed to the Google Groups > "qtile-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "qtile-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
