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PerWorkspace: add modWorkspace(s) combinators, for selectively applying layout modifiers to certain workspaces but not others
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@@ -10,18 +10,22 @@
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-- Stability : unstable
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-- Portability : unportable
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--
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-- Configure layouts on a per-workspace basis.
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-- Configure layouts on a per-workspace basis: use layouts and apply
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-- layout modifiers selectively, depending on the workspace.
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-----------------------------------------------------------------------------
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module XMonad.Layout.PerWorkspace
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( -- * Usage
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-- $usage
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onWorkspace, onWorkspaces
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onWorkspace, onWorkspaces,
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modWorkspace, modWorkspaces
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) where
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import XMonad
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import qualified XMonad.StackSet as W
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import XMonad.Layout.LayoutModifier
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import Data.Maybe (fromMaybe)
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-- $usage
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@@ -31,12 +35,15 @@ import Data.Maybe (fromMaybe)
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--
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-- and modifying your layoutHook as follows (for example):
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--
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-- > layoutHook = onWorkspace "foo" l1 $ -- layout l1 will be used on workspace "foo".
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-- > layoutHook = modWorkspace "baz" m1 $ -- apply layout modifier m1 to all layouts on workspace "baz"
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-- > onWorkspace "foo" l1 $ -- layout l1 will be used on workspace "foo".
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-- > onWorkspaces ["bar","6"] l2 $ -- layout l2 will be used on workspaces "bar" and "6".
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-- > l3 -- layout l3 will be used on all other workspaces.
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--
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-- Note that @l1@, @l2@, and @l3@ can be arbitrarily complicated layouts,
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-- e.g. @(Full ||| smartBorders $ tabbed shrinkText defaultTConf ||| ...)@
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-- Note that @l1@, @l2@, and @l3@ can be arbitrarily complicated
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-- layouts, e.g. @(Full ||| smartBorders $ tabbed shrinkText
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-- defaultTConf ||| ...)@, and @m1@ can be any layout modifier, i.e. a
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-- function of type @(l a -> ModifiedLayout lm l a)@.
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--
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-- In another scenario, suppose you wanted to have layouts A, B, and C
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-- available on all workspaces, except that on workspace foo you want
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@@ -52,7 +59,7 @@ onWorkspace :: (LayoutClass l1 a, LayoutClass l2 a)
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-> (l1 a) -- ^ layout to use on the matched workspace
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-> (l2 a) -- ^ layout to use everywhere else
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-> PerWorkspace l1 l2 a
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onWorkspace wsId l1 l2 = PerWorkspace [wsId] False l1 l2
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onWorkspace wsId = onWorkspaces [wsId]
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-- | Specify one layout to use on a particular set of workspaces, and
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-- another to use on all other workspaces.
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@@ -63,6 +70,25 @@ onWorkspaces :: (LayoutClass l1 a, LayoutClass l2 a)
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-> PerWorkspace l1 l2 a
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onWorkspaces wsIds l1 l2 = PerWorkspace wsIds False l1 l2
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-- | Specify a layout modifier to apply to a particular workspace; layouts
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-- on all other workspaces will remain unmodified.
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modWorkspace :: (LayoutClass l a)
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=> WorkspaceId -- ^ tag of the workspace to match
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-> (l a -> ModifiedLayout lm l a) -- ^ the modifier to apply on the matching workspace
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-> l a -- ^ the base layout
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-> PerWorkspace (ModifiedLayout lm l) l a
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modWorkspace wsId = modWorkspaces [wsId]
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-- | Specify a layout modifier to apply to a particular set of
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-- workspaces; layouts on all other workspaces will remain
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-- unmodified.
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modWorkspaces :: (LayoutClass l a)
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=> [WorkspaceId] -- ^ tags of the workspaces to match
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-> (l a -> ModifiedLayout lm l a) -- ^ the modifier to apply on the matching workspaces
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-> l a -- ^ the base layout
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-> PerWorkspace (ModifiedLayout lm l) l a
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modWorkspaces wsIds f l = PerWorkspace wsIds False (f l) l
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-- | Structure for representing a workspace-specific layout along with
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-- a layout for all other workspaces. We store the tags of workspaces
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-- to be matched, and the two layouts. We save the layout choice in
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@@ -97,3 +123,4 @@ mkNewPerWorkspaceF :: PerWorkspace l1 l2 a -> Maybe (l2 a) ->
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PerWorkspace l1 l2 a
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mkNewPerWorkspaceF (PerWorkspace wsIds _ lt lf) mlf' =
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(\lf' -> PerWorkspace wsIds False lt lf') $ fromMaybe lf mlf'
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