dotfiles/modules/graphical/i3.nix
2022-12-21 14:18:03 -07:00

285 lines
11 KiB
Nix

{ config, pkgs, lib, ... }:
let
lockCmd =
"${pkgs.betterlockscreen}/bin/betterlockscreen --lock --display 1 --blur 0.5 --span";
lockUpdate =
"${pkgs.betterlockscreen}/bin/betterlockscreen --update ${config.wallpaper} --display 1 --span";
in {
config = lib.mkIf pkgs.stdenv.isLinux {
services.xserver.windowManager = {
i3 = {
enable = config.services.xserver.enable;
package = pkgs.i3-gaps;
};
};
environment.systemPackages = with pkgs; [
feh # Wallpaper
playerctl # Media control
];
home-manager.users.${config.user} = {
xsession.windowManager.i3 = {
enable = config.services.xserver.enable;
package = pkgs.i3-gaps;
config = let
modifier = "Mod4"; # Super key
ws1 = "1:I";
ws2 = "2:II";
ws3 = "3:III";
ws4 = "4:IV";
ws5 = "5:V";
ws6 = "6:VI";
ws7 = "7:VII";
ws8 = "8:VIII";
ws9 = "9:IX";
ws10 = "10:X";
in {
modifier = modifier;
assigns = {
"${ws1}" = [{ class = "Firefox"; }];
"${ws2}" = [{ class = "kitty"; }];
"${ws3}" = [{ class = "discord"; }];
"${ws4}" = [{ class = "Steam"; }];
};
bars = [{ command = "echo"; }]; # Disable i3bar
colors = let
background = config.theme.colors.base00;
inactiveBackground = config.theme.colors.base01;
border = config.theme.colors.base01;
inactiveBorder = config.theme.colors.base01;
text = config.theme.colors.base07;
inactiveText = config.theme.colors.base04;
urgentBackground = config.theme.colors.base08;
indicator = "#00000000";
in {
background = config.theme.colors.base00;
focused = {
inherit background indicator text border;
childBorder = background;
};
focusedInactive = {
inherit indicator;
background = inactiveBackground;
border = inactiveBorder;
childBorder = inactiveBackground;
text = inactiveText;
};
# placeholder = { };
unfocused = {
inherit indicator;
background = inactiveBackground;
border = inactiveBorder;
childBorder = inactiveBackground;
text = inactiveText;
};
urgent = {
inherit text indicator;
background = urgentBackground;
border = urgentBackground;
childBorder = urgentBackground;
};
};
floating.modifier = modifier;
focus = {
mouseWarping = true;
newWindow = "urgent";
followMouse = false;
};
keybindings = {
# Adjust screen brightness
"Shift+F12" =
"exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 + 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 + 30";
"Shift+F11" =
"exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 - 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 - 30";
"XF86MonBrightnessUp" =
"exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 + 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 + 30";
"XF86MonBrightnessDown" =
"exec ${pkgs.ddcutil}/bin/ddcutil --display 1 setvcp 10 - 30 && sleep 1; exec ${pkgs.ddcutil}/bin/ddcutil --display 2 setvcp 10 - 30";
# Media player controls
"XF86AudioPlay" = "exec ${pkgs.playerctl}/bin/playerctl play-pause";
"XF86AudioStop" = "exec ${pkgs.playerctl}/bin/playerctl stop";
"XF86AudioNext" = "exec ${pkgs.playerctl}/bin/playerctl next";
"XF86AudioPrev" = "exec ${pkgs.playerctl}/bin/playerctl previous";
# Launchers
"${modifier}+Return" =
"exec --no-startup-id kitty; workspace ${ws2}; layout tabbed";
"${modifier}+space" =
"exec --no-startup-id ${config.launcherCommand}";
"${modifier}+Shift+s" =
"exec --no-startup-id ${config.systemdSearch}";
"Mod1+Tab" = "exec --no-startup-id ${config.altTabCommand}";
"${modifier}+Shift+c" = "reload";
"${modifier}+Shift+r" = "restart";
"${modifier}+Shift+q" = ''
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 ${lockCmd}";
# Window options
"${modifier}+q" = "kill";
"${modifier}+b" = "exec ${config.toggleBarCommand}";
"${modifier}+f" = "fullscreen toggle";
"${modifier}+h" = "focus left";
"${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}+t" = "layout tabbed";
"${modifier}+e" = "layout toggle split";
"${modifier}+Shift+space" = "floating toggle";
"${modifier}+Control+space" = "focus mode_toggle";
"${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}; workspace ${ws1}";
"${modifier}+Shift+2" =
"move container to workspace ${ws2}; workspace ${ws2}";
"${modifier}+Shift+3" =
"move container to workspace ${ws3}; workspace ${ws3}";
"${modifier}+Shift+4" =
"move container to workspace ${ws4}; workspace ${ws4}";
"${modifier}+Shift+5" =
"move container to workspace ${ws5}; workspace ${ws5}";
"${modifier}+Shift+6" =
"move container to workspace ${ws6}; workspace ${ws6}";
"${modifier}+Shift+7" =
"move container to workspace ${ws7}; workspace ${ws7}";
"${modifier}+Shift+8" =
"move container to workspace ${ws8}; workspace ${ws8}";
"${modifier}+Shift+9" =
"move container to workspace ${ws9}; workspace ${ws9}";
"${modifier}+Shift+0" =
"move container to workspace ${ws10}; 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"'';
"${modifier}+Control+Shift+h" =
"resize shrink width 10 px or 10 ppt";
"${modifier}+Control+Shift+j" =
"resize grow height 10 px or 10 ppt";
"${modifier}+Control+Shift+k" =
"resize shrink height 10 px or 10 ppt";
"${modifier}+Control+Shift+l" = "resize grow width 10 px or 10 ppt";
};
modes = { };
startup = [
{
command = "feh --bg-fill ${config.wallpaper}";
always = true;
notification = false;
}
{
command =
"i3-msg workspace ${ws2}, move workspace to output right";
notification = false;
}
{
command =
"i3-msg workspace ${ws1}, move workspace to output left";
notification = false;
}
];
window = {
border = 0;
hideEdgeBorders = "smart";
titlebar = false;
};
workspaceAutoBackAndForth = false;
workspaceOutputAssign = [ ];
# gaps = {
# bottom = 8;
# top = 8;
# left = 8;
# right = 8;
# horizontal = 15;
# vertical = 15;
# inner = 15;
# outer = 0;
# smartBorders = "off";
# smartGaps = false;
# };
};
extraConfig = "";
};
programs.fish.functions = {
update-lock-screen = lib.mkIf config.services.xserver.enable {
description = "Update lockscreen with wallpaper";
body = lockUpdate;
};
};
# Update lock screen cache only if cache is empty
home.activation.updateLockScreenCache =
let cacheDir = "${config.homePath}/.cache/betterlockscreen/current";
in lib.mkIf config.services.xserver.enable
(config.home-manager.users.${config.user}.lib.dag.entryAfter
[ "writeBoundary" ] ''
if [ ! -d ${cacheDir} ] || [ -z "$(ls ${cacheDir})" ]; then
$DRY_RUN_CMD ${lockUpdate}
fi
'');
};
# Ref: https://github.com/betterlockscreen/betterlockscreen/blob/next/system/betterlockscreen%40.service
systemd.services.lock = {
enable = config.services.xserver.enable;
description = "Lock the screen on resume from suspend";
before = [ "sleep.target" "suspend.target" ];
serviceConfig = {
User = config.user;
Type = "simple";
Environment = "DISPLAY=:0";
TimeoutSec = "infinity";
ExecStart = lockCmd;
ExecStartPost = "${pkgs.coreutils-full}/bin/sleep 1";
};
wantedBy = [ "sleep.target" "suspend.target" ];
};
};
}