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I3 Configuration

Basic configuration

Colors 

  set $bg  #32302f
  set $bg1 #3c3836
  set $bg2 #504945
  set $bg3 #665c54
  set $bg4 #7c6f64

  set $fg  #ebdbb2
  set $fg1 #ebdbb2
  set $fg2 #d5c4a1
  set $fg3 #bdae93
  set $fg4 #a89984

  set $gray   #a89984
  set $red    #cc241d
  set $green  #98971a
  set $yellow #d79921
  set $blue   #458588
  set $purple #b16286
  set $aqua   #689d6a
  set $orange #d65d0e

Mod Key

Set mod key (Mod1=<Alt>, Mod4=<Super>)

  set $mod Mod4

Border Style 

  # Configure border style <normal|1pixel|pixel xx|none|pixel>
  new_window pixel 1
  new_float normal

  # Hide borders
  hide_edge_borders smart

Font for window titles 

  font Hack Nerd Font 11

Color palette used for the terminal ( ~/.Xresources file )

Colors are gathered based on the documentation https://i3wm.org/docs/userguide.html#xresources.

  set_from_resource $darkred     color1  #000000
  set_from_resource $red         color9  #000000
  set_from_resource $darkgreen   color2  #000000
  set_from_resource $green       color10 #000000
  set_from_resource $darkyellow  color3  #000000
  set_from_resource $yellow      color11 #000000
  set_from_resource $darkblue    color4  #000000
  set_from_resource $blue        color12 #000000
  set_from_resource $darkmagenta color5  #000000
  set_from_resource $magenta     color13 #000000
  set_from_resource $darkcyan    color6  #000000
  set_from_resource $cyan        color14 #000000
  set_from_resource $darkwhite   color7  #000000
  set_from_resource $white       color15 #000000

  # Use custom colors for black
  set $black       #282828
  set $darkblack   #1d2021
  set $transparent #00000000

Theme colors 

  # class                 border  backgr. text    indic.   child_border
  client.focused          $blue   $blue   $fg     $blue
  client.focused_inactive $bg     $bg     $fg     $bg
  client.urgent           $bg     $bg     $fg     $bg
  client.unfocused        $bg     $bg     $fg     $bg
  client.placeholder      $bg     $bg     $fg     $bg

  client.background       #32302F

Settings for i3-gaps 

  # Set inner/outer gaps
  gaps inner 10
  gaps outer -2

  # Additionally, you can issue commands with the following syntax. This is useful to bind keys to changing the gap size.
  # gaps inner|outer current|all set|plus|minus <px>
  # gaps inner all set 10
  # gaps outer all plus 5

  # Smart gaps (gaps used if only more than one container on the workspace)
  # smart_gaps on

  # Smart borders (draw borders around container only if it is not the only container on this workspace)
  # on|no_gaps (on=always activate and no_gaps=only activate if the gap size to the edge of the screen is 0)
  # smart_borders on

  # Press $mod+Shift+g to enter the gap mode. Choose o or i for modifying outer/inner gaps. Press one of + / - (in-/decrement for current workspace) or 0 (remove gaps for current workspace). If you also press Shift with these keys, the change will be global for all workspaces.
  set $mode_gaps Gaps: (o) outer, (i) inner
  set $mode_gaps_outer Outer Gaps: +|-|0 (local), Shift + +|-|0 (global)
  set $mode_gaps_inner Inner Gaps: +|-|0 (local), Shift + +|-|0 (global)
  bindsym $mod+Shift+g mode "$mode_gaps"

  mode "$mode_gaps" {
    bindsym o      mode "$mode_gaps_outer"
    bindsym i      mode "$mode_gaps_inner"
    bindsym Return mode "default"
    bindsym Escape mode "default"
  }
  mode "$mode_gaps_inner" {
    bindsym plus  gaps inner current plus 5
    bindsym minus gaps inner current minus 5

    bindsym 0     gaps inner current set 0

    bindsym Shift+plus  gaps inner all plus 5
    bindsym Shift+minus gaps inner all minus 5
    bindsym Shift+0     gaps inner all set 0

    bindsym Return mode "default"
    bindsym Escape mode "default"
  }
  mode "$mode_gaps_outer" {
    bindsym plus  gaps outer current plus 5
    bindsym minus gaps outer current minus 5
    bindsym 0     gaps outer current set 0

    bindsym Shift+plus  gaps outer all plus 5
    bindsym Shift+minus gaps outer all minus 5
    bindsym Shift+0     gaps outer all set 0

    bindsym Return mode "default"
    bindsym Escape mode "default"
  }

Workspace names

To display names or symbols instead of plain workspace numbers you can use something like: set $ws1 1:mail and set $ws2 2:.

  set $ws1 1
  set $ws2 2
  set $ws3 3
  set $ws4 4
  set $ws5 5
  set $ws6 6
  set $ws7 7
  set $ws8 8

Use Mouse+$mod to drag floating windows 

  floating_modifier $mod

Back and Forth 

  workspace_auto_back_and_forth yes

Application Specific

Open applications on specific workspaces 

  # Matlab Figures
  assign[title="^Fig"] $ws6
  for_window [title="^Fig"] layout tabbed
  assign[title="^HG_Peer"] $ws6 # Name of window when export figure with matlab

Open specific applications in floating mode 

  for_window [title="File Transfer*"] floating enable
  for_window [class="GParted"] floating enable border normal
  for_window [title="i3_help"] floating enable sticky enable border normal
  for_window [class="Lightdm-settings"] floating enable
  for_window [class="Lxappearance"] floating enable sticky enable border normal
  for_window [class="Manjaro Settings Manager"] floating enable border normal
  for_window [class="Pamac-manager"] floating enable
  for_window [class="Pavucontrol"] floating enable
  for_window [class="qt5ct"] floating enable sticky enable border normal
  for_window [class="Qtconfig-qt4"] floating enable sticky enable border normal
  for_window [class="Simple-scan"] floating enable border normal
  for_window [class="(?i)System-config-printer.py"] floating enable border normal
  for_window [class="Timeset-gui"] floating enable border normal
  for_window [class="(?i)virtualbox"] floating enable border normal
  for_window [class="Xfburn"] floating enable
  for_window [title="^Documentation -"] floating enable border normal
  for_window [class="Yad"] floating enable
  for_window [title="Bluetooth Devices"] floating enable
  for_window [title="Simulink Library Browser"] floating enable

Scratchpad 

  # move the currently focused window to the scratchpad
  bindsym $mod+Shift+BackSpace move scratchpad

  # Show the next scratchpad window or hide the focused scratchpad window.
  # If there are multiple scratchpad windows, this command cycles through them.
  bindsym $mod+BackSpace scratchpad show

Run Polybar and SXHKD 

  exec_always --no-startup-id $HOME/.config/polybar/scripts/launch.sh
  exec_always --no-startup-id sxhkd -m 1 -c ~/.config/sxhkd/sxhkdrc.i3