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| 1 | #!/bin/bash | |
| 2 | ||
| 3 | # | |
| 4 | # | |
| 5 | # | |
| 6 | # Written by reddit user u/casualContributorNZ | |
| 7 | # Available under the GLWT Public Licence: | |
| 8 | # https://github.com/me-shaon/GLWTPL/blob/master/LICENSE | |
| 9 | # | |
| 10 | # | |
| 11 | # This script emulates the 'show desktop' functionality in i3wm | |
| 12 | # | |
| 13 | # | |
| 14 | # First finds the currently active workspace using i3-msg and jq | |
| 15 | # | |
| 16 | # | |
| 17 | # Then using i3-msg and (ugly) jq will determine whether there are any windows open on the | |
| 18 | # current work space. This is done by determining the number of nodes open, so if there are | |
| 19 | # some extra nodes open by default (ie. you are running something which automatically has a | |
| 20 | # node within a workspace) then you will need to change the comparator in the first if statement | |
| 21 | # | |
| 22 | # | |
| 23 | # If the workspace is empty, you will be bounced back to your most recently preiously accessed | |
| 24 | # workspace with the i3 back_and_forth builtin. | |
| 25 | # This means you can get some slightly weird behaviour if you close all of the windows in your | |
| 26 | # current workspace and then run this, because the workspace you will be taken to has no/minimal | |
| 27 | # pertinence to the current one. | |
| 28 | # | |
| 29 | # | |
| 30 | # If you are on a non-empty workspace then you will be taken to the lowest-number free workspace. | |
| 31 | # Note that if you have workspaces 1-10 already open then it will take you to workspace 11. | |
| 32 | # | |
| 33 | # | |
| 34 | # You can also pass a function to then execute on the new workspace. I suppose that actually this | |
| 35 | # is kinda pointless as it is just doing: | |
| 36 | # `i3-msg workspace ##; exec $1` | |
| 37 | # Which is equivalent to: | |
| 38 | # ./thisScript.sh; $1 | |
| 39 | # So therefore then only saving is a semi-colon. Efficiency. | |
| 40 | # | |
| 41 | # If you run this script with an argument in an empty workspace the argument will be ignored, | |
| 42 | # thus you can run './thisScript firefox' close firefox, and then re-run it, and it will take you | |
| 43 | # back to where you were WITHOUT opening firefox when you get there | |
| 44 | # | |
| 45 | ||
| 46 | ||
| 47 | ||
| 48 | currentWS=$(i3-msg -t get_workspaces | jq '.[] | select(.focused==true).num') | |
| 49 | ||
| 50 | isEmpty=$(i3-msg -t get_tree | jq --arg currWS "$currentWS" '.nodes | .[] | .nodes | .[] | | |
| 51 | select(.type=="con") | .nodes | .[] | select(.type=="workspace") | select(.name==$currWS) | | |
| 52 | .nodes | length') | |
| 53 | ||
| 54 | ||
| 55 | if [ $isEmpty -eq 0 ] | |
| 56 | then | |
| 57 | i3-msg workspace back_and_forth | |
| 58 | else | |
| 59 | readarray -t activeWorkspaces < <(i3-msg -t get_workspaces | jq 'map(.num)' | tr -dc '[:alnum:]\n\r' | sort -g) | |
| 60 | ||
| 61 | number=$(echo "${activeWorkspaces[@]}" | awk -v RS='\\s+' '{ a[$1] } END { for(i=1; i in a; ++i);
| |
| 62 | print i }') | |
| 63 | ||
| 64 | if [ $# -eq 0 ] | |
| 65 | then | |
| 66 | i3-msg workspace $number | |
| 67 | else | |
| 68 | i3-msg workspace $number; exec $1 | |
| 69 | fi | |
| 70 | ||
| 71 | fi |
