dotfiles/modules/desktop/i3.nix

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{ config, pkgs, lib, user, ... }: {
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config = lib.mkIf config.services.xserver.enable {
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services.xserver.windowManager = { i3 = { enable = true; }; };
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environment.systemPackages = with pkgs; [
dmenu # Launcher
feh # Wallpaper
playerctl # Media control
polybarFull # Polybar + PulseAudio
];
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home-manager.users.${user}.xsession.windowManager.i3 = {
enable = true;
config = let
modifier =
config.home-manager.users.${user}.xsession.windowManager.i3.config.modifier;
ws1 = "1:";
ws2 = "2:";
ws3 = "3:";
ws4 = "4:";
ws5 = "5:";
ws6 = "6:";
ws7 = "7:";
ws8 = "8:";
ws9 = "9:";
ws10 = "10:";
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in {
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modifier = "Mod4"; # Super key
assigns = {
"${ws1}" = [{ class = "^Firefox$"; }];
"${ws2}" = [{ class = "^Alacritty$"; }];
"${ws3}" = [{ class = "^Discord$"; }];
"${ws4}" = [{ class = "^Steam$"; }];
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};
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bars = [{ command = "echo"; }]; # Disable i3bar
colors = let
background = "#2f343f";
inactiveBackground = "#2f343f";
text = "#f3f4f5";
inactiveText = "#676E7D";
urgentBackground = "#E53935";
indicator = "#00ff00";
in {
background = background;
focused = {
inherit background indicator text;
border = background;
childBorder = background;
};
focusedInactive = {
inherit indicator;
background = inactiveBackground;
border = inactiveBackground;
childBorder = inactiveBackground;
text = inactiveText;
};
# placeholder = { };
unfocused = {
inherit indicator;
background = inactiveBackground;
border = inactiveBackground;
childBorder = inactiveBackground;
text = inactiveText;
};
urgent = {
inherit text indicator;
background = urgentBackground;
border = urgentBackground;
childBorder = urgentBackground;
};
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};
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floating.modifier = modifier;
focus = {
mouseWarping = true;
newWindow = "smart";
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};
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fonts = {
names = [ "pango:Victor Mono" "FontAwesome 12" ];
# style = "Regular";
# size = 11.0;
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};
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keybindings = {
# PulseAudio adjust volume
"XF86AudioRaiseVolume" = "exec --no-startup-id pamixer -i 2";
"XF86AudioLowerVolume" = "exec --no-startup-id pamixer -d 2";
"XF86AudioMute" = "exec --no-startup-id pamixer -t";
"XF86AudioMicMute" =
"exec --no-startup-id pamixer --default-source -t";
# Adjust screen brightness
"Shift+F12" =
"exec ddcutil --display 1 setvcp 10 + 20; exec ddcutil --display 2 setvcp 10 + 20";
"Shift+F11" =
"exec ddcutil --display 1 setvcp 10 - 20; exec ddcutil --display 2 setvcp 10 - 20";
"XF86MonBrightnessUp" =
"exec ddcutil --display 1 setvcp 10 + 20; exec ddcutil --display 2 setvcp 10 + 20";
"XF86MonBrightnessDown" =
"exec ddcutil --display 1 setvcp 10 - 20; exec ddcutil --display 2 setvcp 10 - 20";
# Media player controls
"XF86AudioPlay" = "exec playerctl play-pause";
"XF86AudioStop" = "exec playerctl stop";
"XF86AudioNext" = "exec playerctl next";
"XF86AudioPrev" = "exec playerctl previous";
# Launchers
"${modifier}+Return" = "exec alacritty";
"${modifier}+d" = "exec --no-startup-id dmenu_run";
"${modifier}+Shift+c" = "reload";
"${modifier}+Shift+r" = "restart";
"${modifier}+Shift+e" = ''
exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"'';
"${modifier}+Shift+x" = ''exec i3lock --color "#2f343f"'';
"${modifier}+Shift+t" = "exec alacritty";
# Window options
"${modifier}+Shift+q" = "kill";
"${modifier}+h" = "focus left";
"${modifier}+j" = "focus down";
"${modifier}+k" = "focus up";
"${modifier}+l" = "focus right";
"${modifier}+Left" = "focus left";
"${modifier}+Down" = "focus down";
"${modifier}+Up" = "focus up";
"${modifier}+Right" = "focus right";
"${modifier}+Shift+h" = "move left";
"${modifier}+Shift+j" = "move down";
"${modifier}+Shift+k" = "move up";
"${modifier}+Shift+l" = "move right";
"${modifier}+Shift+Left" = "move left";
"${modifier}+Shift+Down" = "move down";
"${modifier}+Shift+Up" = "move up";
"${modifier}+Shift+Right" = "move right";
# Tiling
"${modifier}+i" = "split h";
"${modifier}+v" = "split v";
"${modifier}+s" = "layout stacking";
"${modifier}+w" = "layout tabbed";
"${modifier}+e" = "layout toggle split";
"${modifier}+Shift+space" = "floating toggle";
"${modifier}+space" = "focus mode_toggle";
"${modifier}+a" = "focus parent";
# Workspaces
"${modifier}+1" = "workspace ${ws1}";
"${modifier}+2" = "workspace ${ws2}";
"${modifier}+3" = "workspace ${ws3}";
"${modifier}+4" = "workspace ${ws4}";
"${modifier}+5" = "workspace ${ws5}";
"${modifier}+6" = "workspace ${ws6}";
"${modifier}+7" = "workspace ${ws7}";
"${modifier}+8" = "workspace ${ws8}";
"${modifier}+9" = "workspace ${ws9}";
"${modifier}+0" = "workspace ${ws10}";
# Move windows
"${modifier}+Shift+1" = "move container to workspace ${ws1}";
"${modifier}+Shift+2" = "move container to workspace ${ws2}";
"${modifier}+Shift+3" = "move container to workspace ${ws3}";
"${modifier}+Shift+4" = "move container to workspace ${ws4}";
"${modifier}+Shift+5" = "move container to workspace ${ws5}";
"${modifier}+Shift+6" = "move container to workspace ${ws6}";
"${modifier}+Shift+7" = "move container to workspace ${ws7}";
"${modifier}+Shift+8" = "move container to workspace ${ws8}";
"${modifier}+Shift+9" = "move container to workspace ${ws9}";
"${modifier}+Shift+0" = "move container to workspace ${ws10}";
# Move screens
"${modifier}+Control+l" = "move workspace to output right";
"${modifier}+Control+h" = "move workspace to output left";
# Resizing
"${modifier}+r" = ''mode "resize"'';
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};
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modes = {
resize = {
h = "resize shrink width 10 px or 10 ppt";
j = "resize grow height 10 px or 10 ppt";
k = "resize shrink height 10 px or 10 ppt";
l = "resize grow width 10 px or 10 ppt";
Left = "resize shrink width 10 px or 10 ppt";
Down = "resize grow height 10 px or 10 ppt";
Up = "resize shrink height 10 px or 10 ppt";
Right = "resize grow width 10 px or 10 ppt";
Return = ''mode "default"'';
Caps_Lock = ''mode "default"'';
"${modifier}+r" = ''mode "default"'';
};
};
startup = [
{
command = "feh --bg-scale $HOME/Downloads/basic-wallpaper.webp";
always = true;
notification = false;
}
{
command = "~/.config/i3/polybar.sh";
always = true;
notification = false;
}
{
# Start XDG autostart .desktop files using dex. See also
# https://wiki.archlinux.org/index.php/XDG_Autostart
command = "dex --autostart --environment i3";
always = false;
notification = false;
}
{
# xss-lock grabs a logind suspend inhibit lock and will use i3lock to lock the
# screen before suspend. Use loginctl lock-session to lock your screen.
command = "xss-lock --transfer-sleep-lock -- i3lock --nofork";
always = false;
notification = false;
}
{
# NetworkManager is the most popular way to manage wireless networks on Linux,
# and nm-applet is a desktop environment-independent system tray GUI for it.
command = "nm-applet";
always = false;
notification = false;
}
];
window = {
border = 1;
hideEdgeBorders = "both";
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titlebar = false;
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};
workspaceAutoBackAndForth = false;
workspaceOutputAssign = [ ];
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};
extraConfig = "";
};
};
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}