Re: [xmonad] New XMonad layout based on bspwm

Hi Ben, ExpandTowards R could mean something like "grow the current window, preferably shrinking the one(s) to the right". Yes it might be counterintuitive, but my opinion is that a layout should do something somewhat sensible instead of nothing. I don't mind if that's a separate message. To expand on my suggestion earlier, you might add a message: data ModifyTree = ModifyTree (Zipper Split -> Maybe (Zipper Split))

From which it would be straightforward to make up a "counterintuitive" keybindings with something like:

moveABorderToTheLeft :: X () moveABorderToTheLeft = sendMessage $ ModifyTree $ msum [ expandTreeTowards L, shrinkTreeTowards R] Possibly make an instance Monoid ModifyTree that does what the MonadPlus instance used above does, and then it could be a pretty as: ("M-<Left>", sendMessage (expandTreeTowards' L <> shrinkTreeTowards' R)), where expandTreeTowards' :: Direction2D -> ModifyTree is exported by the BSP module. Regards, Adam On Wed, Apr 30, 2014 at 10:21 PM, Ben Weitzman wrote:

Thanks Adam,

First of all, thanks for the name conflict info. Even after a year with XMonad there are still lots of things I don't know :)

Could you clarify why you think ExpandTowards R should do something if the window is up against the right edge? It seems like it might be counterintuitive for a window to grow towards the left if it can't grow towards the right. Perhaps a more general Expand or Expand Vertical/Horizontal message would be helpful?

Ben

On Wed, Apr 30, 2014 at 9:54 PM, adam vogt wrote:

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Hello Ben,

I've applied it. I've changed Bound to XMonad.Util.Types.Direction2D. Swap conflicts with the Swap in XMonad.Layout.WindowNavigation, but I dunno if it's worth giving it an odd name (Exchange or SwapBSP) to help a few people avoid qualified imports.

Ideally the ExpandTowards R message should do something when the window is already the right-most window on the screen. Probably that action should be what ShrinkTowards L does. Or maybe it should be what ExpandTowards L does. One way to get around that configuration mess is have the message include a function.

There are other layouts (Mosaic and MosaicAlt) in contrib that also recursively split areas in half. It might be nice to switch between a more automatically balanced tree (Mosaic) and one in which the layout is more "under your control".

Regards, Adam

On Wed, Apr 30, 2014 at 5:17 PM, Ben Weitzman wrote:

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Hi,

I've written a binary space partition layout based of bspwm. Each time a window is inserted, it splits the current window into two. You can resize, rotate, and swap the leafs of the BSP tree around.

Attached is the darcs patch.

Cheers, Ben

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