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feat(desktop): add screen brightness controls

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Bind XF86MonBrightnessUp/Down to brightnessctl in the repeat-while-held
block, mirroring the volume keys. A new brightness module installs
brightnessctl's udev rule and adds the user to the video group so the
backlight can be dimmed without root.
This commit is contained in:
alexion
2026-07-24 13:57:45 -04:00
parent 7f7fc327fd
commit ac095ba0e4
3 changed files with 29 additions and 1 deletions
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6
modules/desktop/hyprland/hyprland.nix
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@@ -141,10 +141,14 @@ in
]
++ workspaceBinds;
# Volume keys repeat while held, capped at 150 percent.
# Volume and brightness keys repeat while held. Volume is capped at 150
# percent; brightnessctl floors the panel at its minimum so a full hold
# cannot black the screen out.
binde = [
", XF86AudioRaiseVolume, exec, ${pkgs.wireplumber}/bin/wpctl set-volume -l 1.5 @DEFAULT_AUDIO_SINK@ 5%+"
", XF86AudioLowerVolume, exec, ${pkgs.wireplumber}/bin/wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-"
", XF86MonBrightnessUp, exec, ${pkgs.brightnessctl}/bin/brightnessctl set 5%+"
", XF86MonBrightnessDown, exec, ${pkgs.brightnessctl}/bin/brightnessctl set 5%-"
];
# Mute and media transport still fire while the session is locked.