Added Window Switching tool for sway

sway/config.d/keybinds.config

@@ -9,6 +9,8 @@ bindsym $mod+space exec $menu
 # gopass prompt
 bindsym $mod+backslash exec $pass_menu
 
+bindsym $mod+semicolon exec $scripts/sws.sh --dmenu-cmd "rofi -dmenu"
+
 # reload the configuration file
 bindsym $mod+Shift+c reload
 

sway/scripts/sws.sh

@@ -0,0 +1,133 @@
+#!/bin/sh
+#
+# Author: Adrien Le Guillou
+# License: MIT
+set -e # error if a command as non 0 exit
+set -u # error if undefined variable
+
+# Default parameters
+FORMAT="W:%W | %A - %T"
+DMENU="dmenu"
+
+# Doc
+NAME="$(basename "$0")"
+VERSION="0.2"
+DESCRIPTION="Window switcher for Sway using dmenu"
+HELP="
+$NAME. $VERSION - $DESCRIPTION
+
+Usage: 
+    $NAME [-f | --format <format>] [-d | --dmenu-cmd <command>] 
+          [-h | --help] [-v | --version]
+
+Options:
+    -d CMD, --dmenu-cmd CMD\t\t[default: \"dmenu\"]
+        set the \`dmenu\` command to use (ex \"rofi -dmenu\")
+
+    -f FORMAT, --format FORMAT\t\t[default: \"$FORMAT\"]
+        set the format for the window picker
+            %O: Output (Display)
+            %W: Workspace
+            %A: Application
+            %T: Window Title
+        (window_id) is appended at the end to identify the window
+
+    -v, --version
+        print version info and exit
+
+    -h, --help      
+        display this help and exit
+
+Examples:
+    # Default options work well if you have dmenu installed
+    sws.sh
+
+    # Use a different dmenu provider
+    sws.sh --dmenu-cmd \"wofi -d\"
+
+    # Add outputs name to the selector
+    sws --format \"[%O] W:%W | %A - %T\"
+"
+
+# Options parsing
+INVALID_ARGS=0 
+OPTS=$(getopt -n $NAME -o f:d:hv \
+       --long format:,dmenu-cmd:,help,version -- "$@") || INVALID_ARGS=1
+
+# Exit with error and print $HELP if an invalid argument is passed
+# the previous command is allowed to fail for this purpose
+if [ "$INVALID_ARGS" -ne "0" ]
+then
+    echo "$HELP"
+    exit 1
+fi
+
+# Required for getopt parsing
+eval set -- "$OPTS"
+unset OPTS
+
+while :
+do
+    case "$1" in
+        -f | --format)
+            FORMAT=$2
+            shift 2 
+            ;;
+        -d | --dmenu-cmd)
+            DMENU=$2
+            shift 2 
+            ;;
+        -h | --help)
+            echo "$HELP"
+            exit 
+            ;;
+        -v | --version)
+            echo "Version $VERSION"
+            exit 
+            ;;
+        --) 
+            shift
+            break 
+            ;;
+        *)
+            echo "$HELP"
+            exit 1
+            break 
+            ;;
+    esac
+done
+
+# FORMAT as a `jq` concatenation string
+FORMAT="$FORMAT (%I)"
+FORMAT=$(echo "$FORMAT" | \
+        sed  's/%O/" + .output + "/
+              s/%W/" + .workspace + "/
+              s/%A/" + .app_id + "/
+              s/%T/" + .name + "/
+              s/%I/" + .id + "/
+              s/"/\"/
+              s/\(.*\)/\"\1\"/')
+
+# Get the container ID from the node tree
+CON_ID=$(swaymsg -t get_tree | \
+    jq -r ".nodes[] 
+        | {output: .name, content: .nodes[]}
+        | {output: .output, workspace: .content.name, 
+          apps: .content 
+            | .. 
+            | {id: .id?|tostring, name: .name?, app_id: .app_id?, shell: .shell?} 
+            | select(.app_id != null or .shell != null)}
+        | {output: .output, workspace: .workspace, 
+           id: .apps.id, app_id: .apps.app_id, name: .apps.name }
+        | $FORMAT
+        | tostring" | \
+    $DMENU -i -p "Window Switcher")
+
+# Requires the actual `id` to be at the end and between paretheses
+CON_ID=${CON_ID##*(}
+CON_ID=${CON_ID%)}
+
+echo 2
+# Focus on the chosen window
+swaymsg [con_id=$CON_ID] focus
+