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-rw-r--r--Operations.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/Operations.hs b/Operations.hs
index 393c25b..b70f151 100644
--- a/Operations.hs
+++ b/Operations.hs
@@ -64,7 +64,8 @@ switchLayout = do
-- | changeWidth. Change the width of the main window in tiling mode.
changeWidth :: Rational -> X ()
changeWidth delta = do
- modify (\s -> s {leftWidth = leftWidth s + delta})
+ -- the min/max stuff is to make sure that 0 <= leftWidth <= 1
+ modify (\s -> s {leftWidth = min 1 $ max 0 $ leftWidth s + delta})
refresh
-- | windows. Modify the current window list with a pure function, and refresh