i3-companion: add a companion for i3

This is a Python script implementing what's missing from i3.
Currently, it will only rename workspace to add icons with their
content.

dotfiles/polybar.conf

@@ -43,15 +43,15 @@ enable-scroll = false
 
 label-mode-background = ${colors.highlight}
 label-mode-padding = 1
-label-focused = %index%
+label-focused = %name%
 label-focused-background = ${colors.highlight}
 label-focused-padding = 1
-label-unfocused = %index%
+label-unfocused = %name%
 label-unfocused-padding = 1
-label-visible = %index%
+label-visible = %name%
 label-visible-background = ${self.label-focused-background}
 label-visible-padding = ${self.label-focused-padding}
-label-urgent = %index%
+label-urgent = %name%
 label-urgent-background = #a00000
 label-urgent-padding = 1
 

dotfiles/systemd/i3-companion.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=i3 companion
+PartOf=graphical-session.target
+
+[Service]
+ExecStart=%h/.config/i3/bin/i3-companion
+Restart=on-failure

dotfiles/systemd/i3.service

@@ -8,6 +8,7 @@ After=tmux.service
 After=ssh-agent.service
 Before=wallpaper.service
 Before=polybar.service
+Before=i3-companion.service
 
 [Service]
 ExecStart=/usr/bin/i3

dotfiles/systemd/xsession.target

@@ -4,6 +4,7 @@ BindsTo=graphical-session.target
 Wants=autorandr.service
 Wants=dunst.socket
 Wants=i3.service
+Wants=i3-companion.service
 Wants=inputplug.service
 Wants=misc-x.service
 Wants=picom.service