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This is a convenience module in order to have less import noise. It
re-exports the following:
a) Commonly used modules in full (Data.Foldable, Data.Applicative, and
so on); though only those that play nicely with each other, so that
XMonad.Prelude can be imported unqualified without any problems.
This prevents things like `Prelude.(.)` and `Control.Category.(.)`
fighting with each other.
b) Helper functions that don't necessarily fit in any other module;
e.g., the often used abbreviation `fi = fromIntegral`.
71 lines
2.4 KiB
Haskell
71 lines
2.4 KiB
Haskell
-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Actions.FindEmptyWorkspace
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-- Copyright : (c) Miikka Koskinen 2007
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : arcatan@kapsi.fi
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-- Stability : stable
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-- Portability : unportable
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--
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-- Find an empty workspace.
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--
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-----------------------------------------------------------------------------
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module XMonad.Actions.FindEmptyWorkspace (
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-- * Usage
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-- $usage
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viewEmptyWorkspace, tagToEmptyWorkspace, sendToEmptyWorkspace
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) where
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import XMonad.Prelude
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import XMonad
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import XMonad.StackSet
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-- $usage
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--
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-- To use, import this module into your @~\/.xmonad\/xmonad.hs@:
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--
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-- > import XMonad.Actions.FindEmptyWorkspace
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--
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-- and add the desired keybindings, for example:
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--
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-- > , ((modm, xK_m ), viewEmptyWorkspace)
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-- > , ((modm .|. shiftMask, xK_m ), tagToEmptyWorkspace)
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--
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-- Now you can jump to an empty workspace with @mod-m@. @Mod-shift-m@
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-- will tag the current window to an empty workspace and view it.
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--
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-- For detailed instructions on editing your key bindings, see
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-- "XMonad.Doc.Extending#Editing_key_bindings".
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-- | Find the first hidden empty workspace in a StackSet. Returns
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-- Nothing if all workspaces are in use. Function searches currently
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-- focused workspace, other visible workspaces (when in Xinerama) and
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-- hidden workspaces in this order.
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findEmptyWorkspace :: StackSet i l a s sd -> Maybe (Workspace i l a)
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findEmptyWorkspace = find (isNothing . stack) . allWorkspaces
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where
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allWorkspaces ss = (workspace . current) ss :
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(map workspace . visible) ss ++ hidden ss
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withEmptyWorkspace :: (WorkspaceId -> X ()) -> X ()
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withEmptyWorkspace f = do
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ws <- gets windowset
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whenJust (findEmptyWorkspace ws) (f . tag)
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-- | Find and view an empty workspace. Do nothing if all workspaces are
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-- in use.
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viewEmptyWorkspace :: X ()
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viewEmptyWorkspace = withEmptyWorkspace (windows . view)
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-- | Tag current window to an empty workspace and view it. Do nothing if
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-- all workspaces are in use.
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tagToEmptyWorkspace :: X ()
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tagToEmptyWorkspace = withEmptyWorkspace $ \w -> windows $ view w . shift w
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-- | Send current window to an empty workspace. Do nothing if
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-- all workspaces are in use.
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sendToEmptyWorkspace :: X ()
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sendToEmptyWorkspace = withEmptyWorkspace $ \w -> windows $ shift w
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