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[https://github.com/swaywm/sway/wiki/i3-Migration-Guide i3 migration guide]
[https://github.com/swaywm/sway/wiki/i3-Migration-Guide i3 migration guide]


== Installation ==
== Setup ==
You can install Sway by enabling it in NixOS directly, or by using [[Home Manager]], or both.
You can install Sway by enabling it in NixOS directly, or by using [[Home Manager]], or both.


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   services.gnome.gnome-keyring.enable = true;
   services.gnome.gnome-keyring.enable = true;


   # enable sway window manager
   # enable Sway window manager
   programs.sway = {
   programs.sway = {
     enable = true;
     enable = true;
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   };
   };
}
}
</syntaxhighlight>
</syntaxhighlight>By default, the Sway module in NixOS comes with a set of extra packages, including the <code>foot</code> terminal, <code>swayidle</code>, <code>swaylock</code>, and <code>wmenu</code>, which can be configured under  <code>[https://search.nixos.org/options?show=programs.sway.extraPackages programs.sway.extraPackages]</code> option. You may also want to include <code>wl-clipboard</code> for clipboard functionality and <code>slurp</code> for screenshot region selection. Additionally, for a more customizable bar implementation than <code>sway-bar</code>, <code>waybar</code> can be enabled with <code>programs.waybar.enable</code>.
 
The default Sway configuration is simlinked to <code>/etc/sway/config</code> and <code>/etc/sway/config.d/nixos.conf</code>. The latter file contains dbus and systemd configuration that is critical to using apps that depend on XDG desktop portals with Sway, and should be included in any custom configuration files.


A few general comments:
A few general comments:
* There is some friction between GTK theming and sway. Currently the sway developers suggest using gsettings to set gtk theme attributes as described here [https://github.com/swaywm/sway/wiki/GTK-3-settings-on-Wayland]. There is currently a plan to allow GTK theme attributes to be set directly in the sway config.
* There is some friction between GTK theming and Sway. Currently the Sway developers suggest using gsettings to set gtk theme attributes as described here [https://github.com/swaywm/sway/wiki/GTK-3-settings-on-Wayland]. There is currently a plan to allow GTK theme attributes to be set directly in the Sway config.
* Running sway as a systemd user service is not recommended [https://github.com/swaywm/sway/wiki/Systemd-integration#running-sway-itself-as-a---user-service] [https://github.com/swaywm/sway/issues/5160]
* Running Sway as a systemd user service is not recommended [https://github.com/swaywm/sway/wiki/Systemd-integration#running-sway-itself-as-a---user-service] [https://github.com/swaywm/sway/issues/5160]


=== Using Home Manager ===
=== Using Home Manager ===
To set up Sway using [[Home Manager]], first you must enable [[Polkit]] in your nix configuration:
To set up Sway using [[Home Manager]], first you must enable [[Polkit]] in your NixOS configuration:
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
security.polkit.enable = true;
security.polkit.enable = true;
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   wayland.windowManager.sway = {
   wayland.windowManager.sway = {
     enable = true;
     enable = true;
    wrapperFeatures.gtk = true; # Fixes common issues with GTK 3 apps
     config = rec {
     config = rec {
       modifier = "Mod4";
       modifier = "Mod4";
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You might need to active dbus manually from .zshrc to use i.e: dunst, see [https://discourse.nixos.org/t/dunst-crashes-if-run-as-service/27671/2 Dunst crashes if run as service]
You might need to active dbus manually from .zshrc to use i.e: dunst, see [https://discourse.nixos.org/t/dunst-crashes-if-run-as-service/27671/2 Dunst crashes if run as service]


=== Brightness and volume ===
{{Note|
If you are on a laptop, you can set up brightness and volume function keys as follows:
It's recommended to enable a [[Secret Service]] provider, like GNOME Keyring:
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|home.nix|nix|<nowiki>
users.users.yourusername.extraGroups = [ "video" ];
services.gnome-keyring.enable = true;
programs.light.enable = true;
 
</nowiki>}}
</nowiki>}}
{{file|sway config|bash|
# Brightness
bindsym XF86MonBrightnessDown exec light -U 10
bindsym XF86MonBrightnessUp exec light -A 10
# Volume
bindsym XF86AudioRaiseVolume exec 'pactl set-sink-volume @DEFAULT_SINK@ +1%'
bindsym XF86AudioLowerVolume exec 'pactl set-sink-volume @DEFAULT_SINK@ -1%'
bindsym XF86AudioMute exec 'pactl set-sink-mute @DEFAULT_SINK@ toggle'
}}
}}


=== Systemd services ===
=== Systemd services ===
Kanshi is an output configuration daemon. As explained above, we don't run sway itself as a systemd service. There are auxiliary daemons that we do want to run as systemd services, for example Kanshi [https://sr.ht/~emersion/kanshi/], which implements monitor hot swapping. It would be enabled as follows:
Kanshi is an output configuration daemon. As explained above, we don't run Sway itself as a systemd service. There are auxiliary daemons that we do want to run as systemd services, for example Kanshi [https://sr.ht/~emersion/kanshi/], which implements monitor hot swapping. It would be enabled as follows:
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
   # kanshi systemd service
   # kanshi systemd service
   systemd.user.services.kanshi = {
   systemd.user.services.kanshi = {
     description = "kanshi daemon";
     description = "kanshi daemon";
    environment = {
      WAYLAND_DISPLAY="wayland-1";
      DISPLAY = ":0";
    };
     serviceConfig = {
     serviceConfig = {
       Type = "simple";
       Type = "simple";
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{{file|sway config|bash|
{{file|sway config|bash|
# give sway a little time to startup before starting kanshi.
# give Sway a little time to startup before starting kanshi.
exec sleep 5; systemctl --user start kanshi.service
exec sleep 5; systemctl --user start kanshi.service
}}
}}
When you launch sway, the systemd service is started.  
When you launch Sway, the systemd service is started.  


=== Using greeter ===
=== Using greeter ===
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};                                                                       
};                                                                       
</nowiki>}}
</nowiki>}}
== Configuration ==
Sway can be configured for specific users using Home-Manager or manually through configuration files. Default is <code>/etc/sway/config</code> and custom user configuration in <code>~/.config/sway/config</code>.
=== Keyboard layout ===
Changing layout for all keyboards to German (de)<syntaxhighlight lang="console">
input * xkb_layout "de"
</syntaxhighlight>
=== High-DPI scaling ===
Changing scale for all screens to factor 1.5<syntaxhighlight lang="console">
output * scale 1.5
</syntaxhighlight>
=== Brightness and volume ===
You can set up brightness and volume function keys as follows by binding the key codes to their corresponding commands in your sway config. The following configurations accomplish this using <code>light</code> and <code>pulseaudio</code>:
{{file|/etc/nixos/configuration.nix|nix|<nowiki>
users.users.yourusername.extraGroups = [ "video" ];
programs.light.enable = true;
environment.systemPackages = [ pkgs.pulseaudio ];
</nowiki>}}
{{file|sway config|bash|
# Brightness
bindsym XF86MonBrightnessDown exec light -U 10
bindsym XF86MonBrightnessUp exec light -A 10
# Volume
bindsym XF86AudioRaiseVolume exec 'pactl set-sink-volume @DEFAULT_SINK@ +1%'
bindsym XF86AudioLowerVolume exec 'pactl set-sink-volume @DEFAULT_SINK@ -1%'
bindsym XF86AudioMute exec 'pactl set-sink-mute @DEFAULT_SINK@ toggle'
}}


== Troubleshooting ==
== Troubleshooting ==
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Enabling this option allows any program run by the "users" group to request real-time priority.
Enabling this option allows any program run by the "users" group to request real-time priority.


=== WLR Error when trying to launch sway ===
=== WLR Error when trying to launch Sway ===


When this happens on a new nixos system, enabling opengl in configuration.nix may fix this issue.   
When this happens on a new nixos system, enabling opengl in configuration.nix may fix this issue.   
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=== Touchscreen input bound to the wrong monitor in multi-monitor setups ===
=== Touchscreen input bound to the wrong monitor in multi-monitor setups ===
Using [[Home Manager]], add the following to your Sway configuration:
 
See this [https://github.com/swaywm/sway/issues/6590#issue-1021207180 GitHub issue for Sway] and the solution give in [https://github.com/swaywm/sway/issues/6590#issuecomment-938724355 this response].
 
Using [[Home Manager]] add the following to your Sway configuration:
<syntaxhighlight lang="nix">
   wayland.windowManager.sway = {
   wayland.windowManager.sway = {
    [...]
     config = {
     config = {
       [...]
       [...]
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     };
     };
   };
   };
</syntaxhighlight>
=== GTK apps take an exceptionally long time to start ===
This occurs because GTK apps make blocking calls to freedesktop portals to be displayed. If Sway is not integrated with dbus and systemd, it will not be able to communicate via the <code>org.freedesktop.portal.Desktop</code> portal. To fix this, see the [[Sway#Using NixOS|description]] of default Sway configurations earlier. Adding the following to your sway configuration, if it is not already present, may resolve the issue:
include /etc/sway/config.d/*


== Tips and tricks ==
== Tips and tricks ==
Retrieved from "https://wiki.nixos.org/wiki/Sway"