diff options
Diffstat (limited to 'StackSet.hs')
| -rw-r--r-- | StackSet.hs | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/StackSet.hs b/StackSet.hs index 40d1c0b..5f69448 100644 --- a/StackSet.hs +++ b/StackSet.hs @@ -15,7 +15,7 @@ module StackSet ( StackSet(..), Workspace(..), Screen(..), StackOrNot, Stack(..), RationalRect(..), -- * Construction -- $construction - new, view, + new, view, greedyView, -- * Xinerama operations -- $xinerama lookupWorkspace, @@ -244,6 +244,25 @@ view i s -- 'Catch'ing this might be hard. Relies on monotonically increasing -- workspace tags defined in 'new' +-- | +-- Set focus to the given workspace. If that workspace does not exist +-- in the stackset, the original workspace is returned. If that workspace is +-- 'hidden', then display that workspace on the current screen, and move the +-- current workspace to 'hidden'. If that workspace is 'visible' on another +-- screen, the workspaces of the current screen and the other screen are +-- swapped. + +greedyView :: (Eq a, Eq s, Eq i) => i -> StackSet i a s sd -> StackSet i a s sd +greedyView w ws + | any wTag (hidden ws) = view w ws + | (Just s) <- L.find (wTag . workspace) (visible ws) + = ws { current = (current ws) { workspace = workspace s } + , visible = s { workspace = workspace (current ws) } + : L.filter (not . wTag . workspace) (visible ws) } + | otherwise = ws + where + wTag = (w == ) . tag + -- --------------------------------------------------------------------- -- $xinerama |