279 lines
12 KiB
Nix
279 lines
12 KiB
Nix
{ config, lib, pkgs, ... }:
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# docs: https://nixos.wiki/wiki/Sway
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# sway-config docs: `man 5 sway`
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let
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cfg = config.sane.programs.sway;
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wrapSway = configuredSway: let
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swayLauncher = pkgs.writeShellScriptBin "sway" ''
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test -e "$(dirname "$SWAYSOCK")" || \
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echo "warning: required directory not found (create it?): $(dirname "$SWAYSOCK")"
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test -e "$(dirname "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY")" || \
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echo "warning: required directory not found (create it?): $(dirname "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY")"
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test -e /tmp/.X11-unix || \
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echo "warning: required directory not found (create it?): /tmp/.X11-unix"
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# delete DISPLAY-related vars from env before launch, else sway will try to connect to a remote display.
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# (consider: nested sway sessions, where sway actually has a reason to read these)
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exec env -u DISPLAY -u WAYLAND_DISPLAY "DESIRED_WAYLAND_DISPLAY=$WAYLAND_DISPLAY" ${configuredSway}/bin/sway 2>&1
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'';
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in
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pkgs.symlinkJoin {
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inherit (configuredSway) meta version;
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name = "sway-wrapped";
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paths = [
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swayLauncher
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configuredSway
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];
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passthru.sway-unwrapped = configuredSway;
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};
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swayPackage = wrapSway (
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pkgs.waylandPkgs.sway-unwrapped.override {
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wlroots = (pkgs.waylandPkgs.wlroots.override {
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# wlroots seems to launch Xwayland itself, and i can't easily just do that myself externally.
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# so in order for the Xwayland it launches to be sandboxed, i need to patch the sandboxed version in here.
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xwayland = config.sane.programs.xwayland.package;
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}).overrideAttrs (upstream: {
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# 2023/09/08: fix so clicking a notification can activate the corresponding window.
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# - test: run dino, receive a message while tabbed away, click the desktop notification.
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# - if sway activates the dino window (i.e. colors the workspace and tab), then all good
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# - do all of this with only a touchscreen (e.g. on mobile phone) -- NOT a mouse/pointer
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# 2023/12/17: this patch is still necessary
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## what this patch does:
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# - allows any wayland window to request activation, at any time.
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# - traditionally, wayland only allows windows to request activation if
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# the client requesting to transfer control has some connection to a recent user interaction.
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# - e.g. the active window may transfer control to any window
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# - a window which was very recently active may transfer control to itself
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## alternative (longer-term) solutions:
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# - fix this class of bug in gtk:
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# - <https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/5782>
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# - N.B.: this linked PR doesn't actually fix it
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# - add xdg_activation_v1 support to SwayNC (my notification daemon):
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# - <https://github.com/ErikReider/SwayNotificationCenter/issues/71>
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# - mako notification daemon supports activation, can use as a reference
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# - all of ~30 LoC, looks straight-forward
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# - however, it's not clear that gtk4 (or dino) actually support this mode of activation.
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# - i.e. my experience with dino is the same using mako as with SwayNC
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postPatch = (upstream.postPatch or "") + ''
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substituteInPlace types/wlr_xdg_activation_v1.c \
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--replace-fail 'if (token->seat != NULL)' 'if (false && token->seat != NULL)'
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'';
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});
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# about xwayland:
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# - required by many electron apps, though some electron apps support NIXOS_OZONE_WL=1 for native wayland.
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# - when xwayland is enabled, KOreader incorrectly chooses the X11 backend
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# -> slower; blurrier
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# - xwayland uses a small amount of memory (like 30MiB, IIRC?)
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enableXWayland = config.sane.programs.xwayland.enabled;
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}
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);
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in
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{
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sane.programs.sway = {
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configOption = with lib; mkOption {
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default = {};
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type = types.submodule {
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options = {
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extra_lines = mkOption {
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type = types.lines;
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description = ''
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extra lines to append to the sway config
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'';
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default = ''
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# XXX: sway needs exclusive control of XF86Audio{Raise,Lower}Volume, so assign this from a block that it can override.
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# TODO: factor the bindings out into proper options and be less hacky?
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bindsym --locked XF86AudioRaiseVolume exec $volume_up
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bindsym --locked XF86AudioLowerVolume exec $volume_down
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'';
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};
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background = mkOption {
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type = types.path;
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};
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font = mkOption {
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type = types.str;
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default = "pango:monospace 11";
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description = ''
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default font (for e.g. window titles)
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'';
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};
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mod = mkOption {
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type = types.str;
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default = "Mod4";
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description = ''
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Super key (for non-application shortcuts).
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- "Mod1" for Alt
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- "Mod4" for logo key
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'';
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};
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workspace_layout = mkOption {
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type = types.str;
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default = "default";
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description = ''
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how to arrange windows within new workspaces, by default:
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- "default" (split)
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- "tabbed"
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- etc
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'';
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};
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};
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};
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};
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packageUnwrapped = swayPackage;
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suggestedPrograms = [
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"guiApps"
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"blueberry" # GUI bluetooth manager
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"brightnessctl"
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"conky" # for a nice background
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"fcitx5" # input method; emoji
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"fontconfig"
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# "gnome.gnome-bluetooth" # XXX(2023/05/14): broken
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# "gnome.gnome-control-center" # XXX(2023/06/28): depends on webkitgtk4_1
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"networkmanager"
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"pipewire"
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"playerctl" # for waybar & particularly to have playerctld running
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"rofi" # menu/launcher
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"rofi-snippets"
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"sane-screenshot"
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"sane-open-desktop"
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# "splatmoji" # used by sway config
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"sway-contrib.grimshot" # used by sway config
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"swayidle" # enable if you need it
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"swaylock" # used by sway config
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"swaynotificationcenter" # notification daemon
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"sysvol" # volume notifier
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"unl0kr" # greeter
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"waybar" # used by sway config
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"wdisplays" # like xrandr
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"wireplumber" # used by sway config
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"wl-clipboard"
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"xdg-desktop-portal"
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# xdg-desktop-portal-gtk provides portals for:
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# - org.freedesktop.impl.portal.Access
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# - org.freedesktop.impl.portal.Account
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# - org.freedesktop.impl.portal.DynamicLauncher
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# - org.freedesktop.impl.portal.Email
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# - org.freedesktop.impl.portal.FileChooser
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# - org.freedesktop.impl.portal.Inhibit
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# - org.freedesktop.impl.portal.Notification
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# - org.freedesktop.impl.portal.Print
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# and conditionally (i.e. unless buildPortalsInGnome = false) for:
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# - org.freedesktop.impl.portal.AppChooser (@appchooser_iface@)
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# - org.freedesktop.impl.portal.Lockdown (@lockdown_iface@)
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# - org.freedesktop.impl.portal.Settings (@settings_iface@)
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# - org.freedesktop.impl.portal.Wallpaper (@wallpaper_iface@)
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"xdg-desktop-portal-gtk"
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# xdg-desktop-portal-wlr provides portals for screenshots/screen sharing
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"xdg-desktop-portal-wlr"
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"xdg-terminal-exec" # used by sway config
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];
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sandbox.method = "bwrap";
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sandbox.wrapperType = "inplace";
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sandbox.net = "all"; # TODO: shouldn't be needed! but without this, mouse/kb hotplug doesn't work.
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sandbox.whitelistAudio = true; # it runs playerctl directly
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sandbox.whitelistDbus = [ "system" "user" ]; # to e.g. launch apps
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sandbox.whitelistDri = true;
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sandbox.whitelistX = true; # sway invokes xwayland itself
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sandbox.whitelistWayland = true;
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sandbox.extraRuntimePaths = [ "/" ]; # TODO: should need just "sway". but even if i sandbox EVERY entry under run individually, it fails!
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sandbox.extraPaths = [
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"/dev/input"
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"/run/systemd/sessions"
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"/run/udev"
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"/sys/class/backlight"
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"/sys/class/drm"
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"/sys/class/input"
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"/sys/dev/char"
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"/sys/devices"
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];
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sandbox.extraHomePaths = [
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# bind ALL of ~/.config/sway into the sandbox instead of just the individual configs.
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# this way `swaymsg -- reload` can work even if the fd for ~/.config/sway/config changes.
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".config/sway"
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];
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fs.".config/xdg-desktop-portal/sway-portals.conf".symlink.text = ''
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# portals.conf docs: <https://flatpak.github.io/xdg-desktop-portal/docs/portals.conf.html>
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[preferred]
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default=wlr;gtk
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'';
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fs.".config/sway/config".symlink.target = pkgs.substituteAll {
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src = ./sway-config;
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inherit (cfg.config)
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background
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extra_lines
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font
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mod
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workspace_layout
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;
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xwayland = if config.sane.programs.xwayland.enabled then "enable" else "disable";
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};
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env.XDG_CURRENT_DESKTOP = "sway";
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# sway defaults to auto-generating a unix domain socket named "sway-ipc.$UID.NNNN.sock",
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# which allows for multiple sway sessions under the same user.
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# but the unpredictability makes static sandboxing & such difficult, so hardcode it.
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# place it in a subdirectory for the same reason:
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env.SWAYSOCK = "$XDG_RUNTIME_DIR/sway/sway-ipc.sock";
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# TODO: ensure this is reliable? might not work across sway restarts, etc.
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env.DISPLAY = ":0";
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# docs: <https://discourse.ubuntu.com/t/environment-variables-for-wayland-hackers/12750>
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# N.B.: gtk apps support absolute paths for this; webkit apps (e.g. geary) support only relative paths (relative to $XDG_RUNTIME_DIR)
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env.WAYLAND_DISPLAY = "wayland/wayland-1";
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services.sway = {
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description = "sway: tiling wayland desktop environment";
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dependencyOf = [ "graphical-session" ];
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command = pkgs.writeShellScript "sway-start" ''
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# have to create these directories before launching sway so that they're available in the sandbox
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mkdir -p "$(dirname "$SWAYSOCK")"
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mkdir -p "$(dirname "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY")"
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mkdir -p /tmp/.X11-unix # for Xwayland
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exec sway
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'';
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readiness.waitExists = [ "$SWAYSOCK" "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY" ];
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};
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# link the graphical-session into the default target, so sway gets auto-started
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services.graphical-session.partOf = [ "default" ];
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};
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sane.gui.gtk = lib.mkIf cfg.enabled {
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enable = lib.mkDefault true;
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# gtk-theme = lib.mkDefault "Fluent-Light-compact";
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gtk-theme = lib.mkDefault "Tokyonight-Light-B";
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# icon-theme = lib.mkDefault "HighContrast"; # 4/5 coverage on moby
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# icon-theme = lib.mkDefault "WhiteSur"; # 3.5/5 coverage on moby, but it provides a bunch for Fractal/Dino
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# icon-theme = lib.mkDefault "Humanity"; # 3.5/5 coverage on moby, but it provides the bookmark icon
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# icon-theme = lib.mkDefault "Paper"; # 3.5/5 coverage on moby, but it provides the bookmark icon
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# icon-theme = lib.mkDefault "Nordzy"; # 3/5 coverage on moby
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# icon-theme = lib.mkDefault "Fluent"; # 3/5 coverage on moby
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# icon-theme = lib.mkDefault "Colloid"; # 3/5 coverage on moby
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# icon-theme = lib.mkDefault "Qogir"; # 2.5/5 coverage on moby
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# icon-theme = lib.mkDefault "rose-pine-dawn"; # 2.5/5 coverage on moby
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# icon-theme = lib.mkDefault "Flat-Remix-Grey-Light"; # requires qtbase
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};
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# TODO: this can go elsewhere
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hardware.bluetooth.enable = lib.mkIf cfg.enabled true;
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services.blueman.enable = lib.mkIf cfg.enabled true;
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# gsd provides Rfkill, which is required for the bluetooth pane in gnome-control-center to work
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# services.gnome.gnome-settings-daemon.enable = true;
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# start the components of gsd we need at login
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# systemd.user.targets."org.gnome.SettingsDaemon.Rfkill".wantedBy = [ "graphical-session.target" ];
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# go ahead and `systemctl --user cat gnome-session-initialized.target`. i dare you.
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# the only way i can figure out how to get Rfkill to actually load is to just disable all the shit it depends on.
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# it doesn't actually seem to need ANY of them in the first place T_T
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# systemd.user.targets."gnome-session-initialized".enable = false;
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# bluez can't connect to audio devices unless pipewire is running.
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# a system service can't depend on a user service, so just launch it at graphical-session
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}
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