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{pkgs, environment, config, lib, ... }:

with pkgs;

let
  i3_config_file = pkgs.writeText "config" ''
    set $mod Mod4
    
    font pango:monospace 8
    
    #font pango:DejaVu Sans Mono 8
    
    # Before i3 v4.8, we used to recommend this one as the default:
    # font -misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1
    # The font above is very space-efficient, that is, it looks good, sharp and
    # clear in small sizes. However, its unicode glyph coverage is limited, the old
    # X core fonts rendering does not support right-to-left and this being a bitmap
    # font, it doesn’t scale on retina/hidpi displays.
    
    # Use Mouse+$mod to drag floating windows to their wanted position
    floating_modifier $mod
    
    # start a terminal
    bindsym $mod+Return exec alacritty

    # kill focused window
    bindsym $mod+Shift+q kill
    
    # start dmenu (a program launcher)
    # bindsym $mod+d exec dmenu_run

    # start dmenu (a program launcher)
    bindsym $mod+d exec ${pkgs.rofi}/bin/rofi -modi drun#run -combi-modi drun#run -show combi -show-icons -display-combi run
 
    bindsym $mod+x exec ${pkgs.rofi}/bin/rofi -modi window -show window -auto-select
    # There also is the (new) i3-dmenu-desktop which only displays applications
    # shipping a .desktop file. It is a wrapper around dmenu, so you need that
    # installed.
    # bindsym $mod+d exec --no-startup-id i3-dmenu-desktop
    
    # change focus
    bindsym $mod+j focus left
    bindsym $mod+k focus down
    bindsym $mod+l focus up
    bindsym $mod+semicolon focus right
    
    # alternatively, you can use the cursor keys:
    bindsym $mod+Left focus left
    bindsym $mod+Down focus down
    bindsym $mod+Up focus up
    bindsym $mod+Right focus right
    
    # move focused window
    bindsym $mod+Shift+j move left
    bindsym $mod+Shift+k move down
    bindsym $mod+Shift+l move up
    bindsym $mod+Shift+colon move right
    
    # alternatively, you can use the cursor keys:
    bindsym $mod+Shift+Left move left
    bindsym $mod+Shift+Down move down
    bindsym $mod+Shift+Up move up
    bindsym $mod+Shift+Right move right
    
    # split in horizontal orientation
    bindsym $mod+h split h
    
    # split in vertical orientation
    bindsym $mod+v split v
    
    # enter fullscreen mode for the focused container
    bindsym $mod+f fullscreen toggle
    
    # change container layout (stacked, tabbed, toggle split)
    bindsym $mod+s layout stacking
    bindsym $mod+w layout tabbed
    bindsym $mod+e layout toggle split
    
    # toggle tiling / floating
    bindsym $mod+Shift+space floating toggle
    
    # change focus between tiling / floating windows
    bindsym $mod+space focus mode_toggle
    
    # focus the parent container
    bindsym $mod+a focus parent
    
    # focus the child container
    #bindsym $mod+d focus child
    
    # Define names for default workspaces for which we configure key bindings later on.
    # We use variables to avoid repeating the names in multiple places.
    set $ws1 "1"
    set $ws2 "2"
    set $ws3 "3"
    set $ws4 "4"
    set $ws5 "5"
    set $ws6 "6"
    set $ws7 "7"
    set $ws8 "8"
    set $ws9 "9"
    set $ws10 "10"
    
    # switch to workspace
    bindsym $mod+1 workspace $ws1
    bindsym $mod+2 workspace $ws2
    bindsym $mod+3 workspace $ws3
    bindsym $mod+4 workspace $ws4
    bindsym $mod+5 workspace $ws5
    bindsym $mod+6 workspace $ws6
    bindsym $mod+7 workspace $ws7
    bindsym $mod+8 workspace $ws8
    bindsym $mod+9 workspace $ws9
    bindsym $mod+0 workspace $ws10
    
    # move focused container to workspace
    bindsym $mod+Shift+1 move container to workspace $ws1
    bindsym $mod+Shift+2 move container to workspace $ws2
    bindsym $mod+Shift+3 move container to workspace $ws3
    bindsym $mod+Shift+4 move container to workspace $ws4
    bindsym $mod+Shift+5 move container to workspace $ws5
    bindsym $mod+Shift+6 move container to workspace $ws6
    bindsym $mod+Shift+7 move container to workspace $ws7
    bindsym $mod+Shift+8 move container to workspace $ws8
    bindsym $mod+Shift+9 move container to workspace $ws9
    bindsym $mod+Shift+0 move container to workspace $ws10
    
    # reload the configuration file
    bindsym $mod+Shift+c reload
    # restart i3 inplace (preserves your layout/session, can be used to upgrade i3)
    bindsym $mod+Shift+r restart
    # exit i3 (logs you out of your X session)
    bindsym $mod+Shift+e exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"
    
    # resize window (you can also use the mouse for that)
    mode "resize" {
            # These bindings trigger as soon as you enter the resize mode
    
            # Pressing left will shrink the window’s width.
            # Pressing right will grow the window’s width.
            # Pressing up will shrink the window’s height.
            # Pressing down will grow the window’s height.
            bindsym j resize shrink width 10 px or 10 ppt
            bindsym k resize grow height 10 px or 10 ppt
            bindsym l resize shrink height 10 px or 10 ppt
            bindsym semicolon resize grow width 10 px or 10 ppt
    
            # same bindings, but for the arrow keys
            bindsym Left resize shrink width 10 px or 10 ppt
            bindsym Down resize grow height 10 px or 10 ppt
            bindsym Up resize shrink height 10 px or 10 ppt
            bindsym Right resize grow width 10 px or 10 ppt
    
            # back to normal: Enter or Escape or $mod+r
            bindsym Return mode "default"
            bindsym Escape mode "default"
            bindsym $mod+r mode "default"
    }
    
    bindsym $mod+r mode "resize"
    
    # Start i3bar to display a workspace bar (plus the system information i3status
    # finds out, if available)
    bar {
            status_command i3status
    }
  ''; 

in {

  services.xserver.windowManager.i3 = {
    enable = true;
    package = pkgs.i3;
    configFile = i3_config_file;
  };

}