From dbd02c933b541559a9513d8cae24ff6f3f40c398 Mon Sep 17 00:00:00 2001
From: Urbain Vaes <urbain@vaes.uk>
Date: Thu, 17 Dec 2015 01:02:28 +0000
Subject: Improve workspace script

---
 bin/workspace | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'bin/workspace')

diff --git a/bin/workspace b/bin/workspace
index 9082f39..f735014 100755
--- a/bin/workspace
+++ b/bin/workspace
@@ -1,5 +1,12 @@
 #!/bin/zsh
 
-workspaces=$(i3-msg -t get_workspaces | grep -Po '"name":.*?[^\\]"' | sed 's/"name":"\([0-9a-zA-Z]\+\)"/\1/g')
-target=$(echo $workspaces | dmenu -i -p "Go to workspace:")
+workspaces=$(i3-msg -t get_workspaces | grep -Po '"name":.*?[^\\]"' | sed 's/"name":"\([^"]\+\)"/\1/g')
+used_numbers=$(echo $workspaces | awk 'BEGIN { FS = ":" } ; { print $1 }')
+max_number=$(echo $used_numbers | tail -1)
+largest_gap=$(echo $used_numbers | awk '$1!=p+1{print p+1}{p=$1}')
+[[ -z $largest_gap ]] && new_number=$(($max_number +  1)) || new_number=$largest_gap
+
+target=$(echo $workspaces | dmenu -i -sf green -p "Go to workspace:")
+[[ ! $target = [0-9]:* ]] && target=$new_number:$target
+
 exec i3-msg workspace $target
-- 
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