Home liberachat/#xmonad: Logs Calendar

Logs on 2023-09-25 (liberachat/#xmonad)

00:22:25 <haskellbridge> <R​en> I was hoping someone could help me understand XMonad's behavior. I've been playing around with making my own GTK app to have as a desktop background so it has the window hint GDK_WINDOW_TYPE_HINT_DESKTOP, and the docks XConfig correctly ignores it letting it sit in the background, but by doing so it puts a complete stop to mouse-over switching screens. Without my desktop backgrou
00:22:25 <haskellbridge> <clipped message>
00:22:26 <haskellbridge> <R​en> nd app running, the screen focus switches as I move my mouse between monitors even if those screen are devoid of any windows to actually focus on. How can I maintain this feature while still having a desktop app? Is it even possible?
00:23:27 <geekosaur> no. X11 limitation
00:23:56 <geekosaur> well, might work if your program ignores Xinerama/XRandR and covers the entire root window
00:24:27 <geekosaur> but I suspect not because the root window is treated specially by XRandR
00:26:09 <haskellbridge> <R​en> That's too bad, and I've gotten so used to the convenience too. This is my first time using GTK and trying to dive into this stuff in general, so I wouldn't know how to try out that root window thing, but I'll keep it in mind as I learn
00:26:41 <haskellbridge> <R​en> Thanks for the quick answer
00:26:55 <geekosaur> an alternative might be to draw directly into the root window instead of creating your own desktop window
01:00:32 <haskellbridge> <R​en> I certainly don't know how to do that at the moment, would that even maintain the interactivity of the program?
01:20:33 <geekosaur> no
01:37:06 <haskellbridge> <R​en> Yeah, I just experimented some with xwinwrap, I'll wager a guess that the X11 limitation involves the window capturing input since not passing -ni (no input) to xwinwrap also puts an end to automatic screen switching
01:38:18 <geekosaur> it's a little more complex than that
01:38:44 <geekosaur> multiple screens in X11 are a big hack involving the root window, so only the root window is actually aware of multiple screens
01:43:10 <haskellbridge> <R​en> So, mousing over the root window, and information on what screen it is can be gathered, but any other window has no idea what screen it is on?
01:48:08 <geekosaur> essentially, yes
01:48:14 <geekosaur> that's a large part of the hack
01:49:18 <geekosaur> all the monitors are carved out of the root window; normal windows generally stick to a monitor. and mouse position is reported relative to the window's upper left corner, so only the root which spans all monitors knows the mouse's true position
01:49:54 <geekosaur> which is why I suggested trying to create a window spanning the entire root; hopefully it'll work the same way. but gtk will fight it
01:58:30 <haskellbridge> <R​en> Well just going with what I know, making the window span both my screens results is functionally the same result as just having it on my first monitor, so I think the screen it knows about is the one where it's origin in, even though it spans both monitors. I suppose if one could send a message to XMonad and ask to switch to n screen, It could be possible to recreate the original
01:58:30 <haskellbridge> <clipped message>
01:58:31 <haskellbridge> <R​en> behavior, since the gdk library has enough info to build a full model of my screens
01:59:46 <haskellbridge> <R​en> But that is also probably not so simple, if at all possible since I doubt it is getting mouse events a lot since most of the time, windows are on top of it
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All times are in UTC on 2023-09-25.