Logs: liberachat/#xmonad

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2021-06-22 21:27:19	<liskin>	perhaps xfc is uninitialized?
2021-06-22 21:27:35	<liskin>	(I'm assuming XInternAtom can't really return a zero normally, can it?)
2021-06-22 21:27:58	<dminuoso>	nah, if xfc was uninitialized everything would be crashing left and right
2021-06-22 21:37:26	<liskin>	yeah, so what do you get if you p all the xfc->_NET_WM_WINDOW_TYPE_DROPDOWN_MENU, xfc->_NET_WM_WINDOW_TYPE_NORMAL, xfc->_NET_WM_WINDOW_TYPE_DIALOG ?
2021-06-22 21:37:38	<dminuoso>	liskin: Ah I just suck at nix it seems
2021-06-22 21:37:57	<liskin>	:-D
2021-06-22 21:38:14	<dminuoso>	nix-shell -p '(pkgs.enableDebugging pkgs.freerdp)'
2021-06-22 21:38:18	<dminuoso>	Does not do what I think it does
2021-06-22 21:38:24	<dminuoso>	Bleerg
2021-06-22 21:39:05	liskin	still knows nothing about nix and after this zurihac, I have even less motivation to learn anything about it then before :-)
2021-06-22 21:39:40	<dminuoso>	heh, I learned much new stuff today about nixos modules
2021-06-22 21:39:58	<dminuoso>	its a bit disgusting that you kind of have to understand all the internals in order to not be surprised left and right
2021-06-22 21:40:34	<liskin>	that's probably true of xmonad too :-)
2021-06-22 21:40:57	<geekosaur>	true, but a lot less to be understood than of nix
2021-06-22 21:40:57	<dminuoso>	window_type
2021-06-22 21:41:01	<dminuoso>	$1 = 393
2021-06-22 21:41:40	<dminuoso>	geekosaur: with xmonad you can just use whatever is in contrib and never worry about all the X quirks
2021-06-22 21:41:51	<dminuoso>	You'll probably survive, until you want to use freerdp..
2021-06-22 21:41:53	<dminuoso>	:-P
2021-06-22 21:41:57	<liskin>	okay fair enough
2021-06-22 21:42:25	<liskin>	anyway, window_type=393, but you sure that's the one it crashes with?
2021-06-22 21:43:52	<dminuoso>	Im not sure of anything, this is still an optimized build..
2021-06-22 21:46:08	<liskin>	oh
2021-06-22 21:46:39	<geekosaur>	"If only_if_exists is False, the atom is created if it does not exist. Therefore, XInternAtom() can return None."
2021-06-22 21:47:10	<liskin>	back when I used to do these things, reading the asm was a good way to tell what the real value might be
2021-06-22 21:47:22	<liskin>	but gdb would usually tell you if it wasn't sure
2021-06-22 21:47:51	<liskin>	https://github.com/FreeRDP/FreeRDP/blob/670cf8512ba751054b0e09d5c41e890953fbbb62/client/X11/xf_client.c#L1915
2021-06-22 21:48:08	<liskin>	only_if_exists seems to be FALSE, so it should be fine
2021-06-22 21:53:46	<liskin>	heading to bed, good look with the rest of the debugging, good night :-)
2021-06-22 21:54:24	<dminuoso>	liskin: thanks!
2021-06-22 21:54:31	<dminuoso>	Found it
2021-06-22 21:54:33	<dminuoso>	It was something else
2021-06-22 21:54:41	<dminuoso>	xf_SetWindowUnlisted(xfc, appWindow->handle);
2021-06-22 21:55:00	<dminuoso>	If I XSync right before it, everything is fine, XSync after and I get the BadAtom error
2021-06-22 21:55:12	<dminuoso>	Oh
2021-06-22 21:57:40	<dminuoso>	That function is optimized away :(
2021-06-22 21:59:29	<dminuoso>	geekosaur: Thank you too.
2021-06-22 21:59:32	<dminuoso>	I think I figured it out
2021-06-22 22:35:20	<dminuoso>	If I read this right, this is a weird memory bug. Should _NET_WM_STATE ever be XA_ATOM?
2021-06-22 22:36:21	<dminuoso>	https://specifications.freedesktop.org/wm-spec/wm-spec-1.3.html
2021-06-22 22:36:28	<dminuoso>	This suggests it should be an atom list
2021-06-22 22:44:25	<geekosaur>	there's no difference between a singular value and a list of length 1
2021-06-22 22:45:54	<geekosaur>	https://tronche.com/gui/x/xlib/window-information/obtain-properties.html
2021-06-22 22:46:11	<dminuoso>	geekosaur: https://github.com/FreeRDP/FreeRDP/blob/670cf8512ba751054b0e09d5c41e890953fbbb62/client/X11/xf_window.c#L430-L431
2021-06-22 22:47:22	<dminuoso>	Shouldn't that be a None terminated list?
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2021-06-22 22:48:09	<geekosaur>	no, there's a length parameter instead
2021-06-22 22:48:44	<geekosaur>	it's the 2 following the pointer to the values
2021-06-22 22:49:38	<dminuoso>	Then its completely beyond me. It's specifically that call that generates the BadAtom.
2021-06-22 22:49:48	<dminuoso>	I managed to narrow it down in an unoptimized build properly
2021-06-22 22:54:23	<geekosaur>	you can see from all the non-array ones that just use a pointer to the value and a length of 1, things would have exploded well before then if it weren't length delimited
2021-06-22 22:54:50	<geekosaur>	so I'd check what the atoms are there if possible
2021-06-22 22:57:41	<geekosaur>	in particular I could see both those atoms not existing if you aren't running a taskbar or pager, so the app would have to create them (!only_if_exists, but I think liskin verified that?)
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2021-06-22 23:01:30	<geekosaur>	yeh, they're all False (except the one that's FALSE but it's not one of these)
2021-06-22 23:01:39	<dminuoso>	Ive double checked, they all exist
2021-06-22 23:04:17	<geekosaur>	aha
2021-06-22 23:05:24	<geekosaur>	they all exist but _NET_WM_STATE is wrapped by get_supported_atom() which checks if it's in _NET_SUPPORTED and returns None if not, and I am pretty sure we don't advertise that one because xmonad itself doesn't care
2021-06-22 23:07:50	<geekosaur>	confirmed on my own desktop, we don't advertise _NET_WM_STATE
2021-06-22 23:07:52	<dminuoso>	(gdb) p xfc->_NET_WM_STATE
2021-06-22 23:07:54	<dminuoso>	$13 = 0
2021-06-22 23:07:56	<dminuoso>	Ahhh
2021-06-22 23:08:13	<dminuoso>	Does xmonad have some hook to advertise this?
2021-06-22 23:08:37	<geekosaur>	I'm not sure where we currently are on that, there's some stuff in flight for extensible EWMH hooks
2021-06-22 23:08:43	<dminuoso>	https://hackage.haskell.org/package/xmonad-contrib-0.16/docs/src/XMonad.Hooks.EwmhDesktops.html#setSupported
2021-06-22 23:08:45	<dminuoso>	Indeed
2021-06-22 23:08:49	<geekosaur>	which the current iteration of fullscreen windows should use
2021-06-22 23:09:06	<dminuoso>	Perhaps _NET_WM_STATE even belongs in there
2021-06-22 23:09:46	<dminuoso>	Though its still a freerdp bug that it checks for supported, and completely ignores the response it gets..
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2021-06-22 23:36:58	<henninb>	Greetings - with regards to minimizing a window is this how? sendMessage RestoreNextMinimizedWin
2021-06-22 23:37:46	<henninb>	when I include XMonad.Layout.Minimize, i get an error of Data constructor not in scope
2021-06-23 00:04:37	<geekosaur>	You send a Minimize message to minimize a window. But see XMonad.Actions.Minimize for more
2021-06-23 00:09:29	<henninb>	the challenge i am having is compilation, geekosaur. i get an error of Data constructor not in scope
2021-06-23 00:09:41	<geekosaur>	I don't see RestoreNextMinimizeWin anywhere in the repo, where did you get it?
2021-06-23 00:10:03	<henninb>	i see people using it in github
2021-06-23 00:10:26	<geekosaur>	nor do I see anything like it except some similar in concept functions in X.A.Minimize
2021-06-23 00:10:36	<geekosaur>	can you provide an example?
2021-06-23 00:10:43	<henninb>	https://github.com/Deepakkoli93/dotfiles-1/blob/cc89434a5f20255d0217918c8fe30c34efa96284/.xmonad/xmonad.hs#L37
2021-06-23 00:11:24	<henninb>	maybe this code is depricated.
2021-06-23 00:12:20	<henninb>	maybe a better question is how can I maximize a window that is minimized?
2021-06-23 00:14:33	<geekosaur>	which is answered in the current version
2021-06-23 00:15:02	<henninb>	i will take a look
2021-06-23 00:15:07	<geekosaur>	RestoreNextMinimizedWin went away some 5 years ago, the replacement is: withLastMinimized maximizeWindow
2021-06-23 00:15:15	<geekosaur>	which is from XMonad.Actions.Minimize
2021-06-23 00:15:36	<henninb>	ok, sorry for the dumb question. thanks for pointing that out.
2021-06-23 00:16:18	<geekosaur>	I had to dig for it myself using git blame
2021-06-23 00:16:43	<henninb>	:)
2021-06-23 00:16:45	<geekosaur>	luckily I'm kinda used to xmonad archeology >.>
2021-06-23 00:17:29	<henninb>	i am loving xmonad. it has helped me slowly learn haskell.
2021-06-23 00:26:03	<henninb>	thank you geekosaur, have a good day.
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