304 lines
9.9 KiB
Nix
304 lines
9.9 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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# The Hyprland compositor.
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let
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cfg = config.modules.desktop.session.hyprland; # NOLINT(let_order)
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cursor = config.stylix.cursor;
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mkBind = key: dispatcher: options: {
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_args = [
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(lua key)
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dispatcher
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]
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++ lib.optional (options != { }) options;
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};
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lua = lib.generators.mkLuaInline;
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# Numbered-workspace switch and move for 1..9, the operator's i3 muscle memory.
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workspaceBinds = lib.concatMap (n: [
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(mkBind ''mod .. " + ${toString n}"'' (lua ''hl.dsp.focus({ workspace = "${toString n}" })'') { })
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(mkBind ''mod .. " + SHIFT + ${toString n}"''
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(lua ''hl.dsp.window.move({ workspace = "${toString n}", follow = false })'')
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{ }
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)
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]) (lib.range 1 9);
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# Flip the tiling strategy between the two built-in layouts, since neither a
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# dispatcher nor a keyword toggles it on its own.
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toggleLayout = pkgs.writeShellScript "hypr-toggle-layout" ''
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if [ "$(${config.programs.hyprland.package}/bin/hyprctl getoption -j general:layout | ${pkgs.jq}/bin/jq -r .str)" = dwindle ]; then
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${config.programs.hyprland.package}/bin/hyprctl keyword general:layout master
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else
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${config.programs.hyprland.package}/bin/hyprctl keyword general:layout dwindle
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fi
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'';
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in
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{
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options.modules.desktop.session.hyprland = {
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enable = lib.mkEnableOption "the Hyprland compositor";
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blur = lib.mkEnableOption ''
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window blur. Off by default as the single biggest battery cost on a
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laptop, left on for a host with the headroom to spend it'';
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};
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config = lib.mkIf cfg.enable {
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# This program integration owns the session, portals, and polkit, launched
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# through the universal Wayland session manager.
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programs.hyprland = {
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enable = true;
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withUWSM = true;
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};
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home-manager.users.${config.user.name}.wayland.windowManager.hyprland = {
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enable = true;
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# One package drives the whole session, so there is never a version split.
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# The program integration above installs it and the portal, leaving home-
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# manager to write only the config.
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package = null;
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portalPackage = null;
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# uwsm owns the systemd graphical-session targets.
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systemd.enable = false;
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configType = "lua";
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settings = {
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mod = {
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_var = "SUPER";
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};
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terminal = {
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_var = "ghostty";
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};
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# Session variables handed to the compositor directly.
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# UWSM launches the session without the shell profile that would carry
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# them, so a variable the compositor or its children must see is set
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# here rather than through home-manager's sessionVariables.
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env = [
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{
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_args = [
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"NIXOS_OZONE_WL"
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"1"
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];
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}
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]
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# Bibata ships XCursor only.
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# The hyprcursor variables name the same theme, which Hyprland
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# resolves through its XCursor fallback.
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++ lib.optionals (cursor != null) [
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{
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_args = [
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"XCURSOR_THEME"
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cursor.name
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];
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}
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{
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_args = [
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"XCURSOR_SIZE"
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(toString cursor.size)
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];
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}
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{
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_args = [
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"HYPRCURSOR_THEME"
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cursor.name
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];
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}
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{
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_args = [
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"HYPRCURSOR_SIZE"
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(toString cursor.size)
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];
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}
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];
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config = {
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input = {
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kb_layout = "us";
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# Caps is a second Escape.
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# Shift+Caps still toggles a real CapsLock.
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kb_options = "caps:escape_shifted_capslock";
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# Snappy key repeat.
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repeat_delay = 250;
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repeat_rate = 45;
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accel_profile = "flat";
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touchpad = {
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natural_scroll = true;
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tap_to_click = true;
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disable_while_typing = true;
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};
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};
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general = {
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gaps_in = 4;
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gaps_out = 8;
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border_size = 2;
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layout = "dwindle";
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};
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decoration = {
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rounding = 6;
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blur.enabled = cfg.blur;
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};
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# XWayland clients render at the panel's native resolution instead of
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# being raster-scaled by the compositor at the fractional monitor scale.
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xwayland.force_zero_scaling = true;
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animations.enabled = true;
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dwindle = {
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preserve_split = true;
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};
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};
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curve = {
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_args = [
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"ease"
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{
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type = "bezier";
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points = [
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[
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0.25
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0.1
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]
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[
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0.25
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1.0
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]
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];
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}
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];
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};
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# Durations are in centiseconds.
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# Short values keep the motion subtle.
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animation = [
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{
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leaf = "windows";
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enabled = true;
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speed = 3;
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bezier = "ease";
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}
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{
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leaf = "fade";
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enabled = true;
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speed = 3;
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bezier = "ease";
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}
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# Layer surfaces like the launcher fade in a touch quicker than windows.
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{
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leaf = "layersIn";
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enabled = true;
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speed = 2;
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bezier = "ease";
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}
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{
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leaf = "fadeLayersIn";
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enabled = true;
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speed = 2;
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bezier = "ease";
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}
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{
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leaf = "workspaces";
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enabled = true;
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speed = 3;
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bezier = "ease";
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}
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{
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leaf = "border";
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enabled = true;
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speed = 3;
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bezier = "ease";
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}
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];
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bind = [
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(mkBind ''mod .. " + RETURN"'' (lua "hl.dsp.exec_cmd(terminal)") { })
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# Move focus.
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(mkBind ''mod .. " + H"'' (lua ''hl.dsp.focus({ direction = "left" })'') { })
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(mkBind ''mod .. " + J"'' (lua ''hl.dsp.focus({ direction = "down" })'') { })
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(mkBind ''mod .. " + K"'' (lua ''hl.dsp.focus({ direction = "up" })'') { })
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(mkBind ''mod .. " + L"'' (lua ''hl.dsp.focus({ direction = "right" })'') { })
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# Move the window within the layout.
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(mkBind ''mod .. " + SHIFT + H"'' (lua ''hl.dsp.window.move({ direction = "l" })'') { })
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(mkBind ''mod .. " + SHIFT + J"'' (lua ''hl.dsp.window.move({ direction = "d" })'') { })
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(mkBind ''mod .. " + SHIFT + K"'' (lua ''hl.dsp.window.move({ direction = "u" })'') { })
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(mkBind ''mod .. " + SHIFT + L"'' (lua ''hl.dsp.window.move({ direction = "r" })'') { })
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# Resize the active window.
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(mkBind ''mod .. " + ALT + H"'' (lua "hl.dsp.window.resize({ x = -40, y = 0, relative = true })")
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{ }
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)
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(mkBind ''mod .. " + ALT + J"'' (lua "hl.dsp.window.resize({ x = 0, y = 40, relative = true })")
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{ }
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)
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(mkBind ''mod .. " + ALT + K"'' (lua "hl.dsp.window.resize({ x = 0, y = -40, relative = true })")
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{ }
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)
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(mkBind ''mod .. " + ALT + L"'' (lua "hl.dsp.window.resize({ x = 40, y = 0, relative = true })")
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{ }
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)
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(mkBind ''mod .. " + SPACE"'' (lua "hl.dsp.window.float()") { })
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(mkBind ''mod .. " + F"'' (lua "hl.dsp.window.fullscreen()") { })
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# togglesplit is a dwindle layout message, reached through layoutmsg.
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(mkBind ''mod .. " + T"'' (lua ''hl.dsp.layout("togglesplit")'') { })
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(mkBind ''mod .. " + SHIFT + T"'' (lua "hl.dsp.exec_cmd(${builtins.toJSON toggleLayout})") { })
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(mkBind ''mod .. " + SHIFT + Q"'' (lua "hl.dsp.window.close()") { })
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(mkBind ''mod .. " + CTRL + Q"'' (lua "hl.dsp.window.kill()") { })
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]
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++ workspaceBinds
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# Volume and brightness keys repeat while held, each raising a popup
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# through the OSD client.
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# Volume is capped at 100 percent.
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# The client floors brightness so a full hold cannot black the screen out.
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++ [
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(mkBind (builtins.toJSON "XF86AudioRaiseVolume")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume raise --max-volume 100"})")
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{ repeating = true; }
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)
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(mkBind (builtins.toJSON "XF86AudioLowerVolume")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume lower"})")
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{ repeating = true; }
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)
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(mkBind (builtins.toJSON "XF86MonBrightnessUp")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --brightness raise"})")
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{ repeating = true; }
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)
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(mkBind (builtins.toJSON "XF86MonBrightnessDown")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --brightness lower"})")
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{ repeating = true; }
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)
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]
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# Mute and media transport still fire while the session is locked.
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++ [
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(mkBind (builtins.toJSON "XF86AudioMute")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume mute-toggle"})")
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{ locked = true; }
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)
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(mkBind (builtins.toJSON "XF86AudioPlay")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl play-pause"})")
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{ locked = true; }
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)
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(mkBind (builtins.toJSON "XF86AudioNext")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl next"})")
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{ locked = true; }
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)
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(mkBind (builtins.toJSON "XF86AudioPrev")
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(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl previous"})")
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{ locked = true; }
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)
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];
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};
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};
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};
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}
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