102 lines
3.7 KiB
Shell
Executable file
102 lines
3.7 KiB
Shell
Executable file
#!/bin/sh
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# Triggered by <Control><Alt>n
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# as defined in [org/gnome/settings-daemon/plugins/media-keys]
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# in ~/.config/gnome-settings/key-bindings.ini
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#
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# Night Light control:
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#
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# - <Control><Alt>n => "when" toggle
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# + "Force" the screen to be warm right now!
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# (Turns Night Light on if it was off, and keeps it on all day)
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# + "Un-force" the Night Light into the local evening schedule
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# - <Alt><Shift>n => "if" toggle
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# Plain on/off switch for the Night Light feature
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#
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# Neither key binding changes what the other controls, so they don't fight.
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#
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# Making the screen cooler or warmer with <Alt><Shift>Left/Right
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# also forces "Night Light" on because adjusting this implies
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# that the user wants to use it.
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#
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# State machine:
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# TARGET STATE
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# +--------------------------+--------------------------+
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# CURRENT STATE | nl-toggle-schedule | nl-toggle-enabled |
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# +--------------------------+--------------------------+--------------------------+
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# | disabled, automatic | enabled, force | enabled, automatic (*) |
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# | disabled, force | enabled, force | enabled, force |
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# | enabled, automatic | enabled, force (*) | disabled, automatic (*) |
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# | enabled, force | enabled, automatic (*) | disabled, force |
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# +--------------------------+--------------------------+--------------------------+
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# (*) There are four cases where a user does not perceive a change on the screen.
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# Then, a notification is shown instead.
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#
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# See ~/.local/bin/night-light-toggle-enabled for the other half of the toggling logic
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set -eu
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notify() {
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ID_FILE="${XDG_RUNTIME_DIR}/night-light-notification-id"
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_id=$(cat "$ID_FILE" 2>/dev/null || true)
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if [ -n "$_id" ]; then
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notify-send -p -t 5000 --replace-id="$_id" "Night Light" "$1" > "$ID_FILE" || rm -f "$ID_FILE"
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else
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notify-send -p -t 5000 "Night Light" "$1" > "$ID_FILE" || rm -f "$ID_FILE"
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fi
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}
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Schema=org.gnome.settings-daemon.plugins.color
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active_before=$(gdbus call --session \
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--dest org.gnome.SettingsDaemon.Color \
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--object-path /org/gnome/SettingsDaemon/Color \
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--method org.freedesktop.DBus.Properties.Get \
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org.gnome.SettingsDaemon.Color NightLightActive)
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automatic=$(gsettings get $Schema night-light-schedule-automatic)
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enabled=$(gsettings get $Schema night-light-enabled)
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if [ "$automatic" = "true" ] || [ "$enabled" = "false" ]; then
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# Force "Night Light" enabled, enabling it if needed
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gsettings set $Schema night-light-enabled true
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gsettings set $Schema night-light-schedule-automatic false
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gsettings set $Schema night-light-schedule-from 0.0
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gsettings set $Schema night-light-schedule-to 24.0
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if [ "$active_before" = "(<true>,)" ] && [ "$automatic" = "true" ]; then
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notify "is now forced to stay on and no longer on an automatic schedule"
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fi
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else
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# Back to the live location's schedule
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gsettings set $Schema night-light-schedule-automatic true
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gsettings set $Schema night-light-schedule-from 18.0
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gsettings set $Schema night-light-schedule-to 6.0
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if [ "$active_before" = "(<true>,)" ]; then
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# Give the settings daemon a moment to recompute "NightLightActive"
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sleep 0.1
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active_after=$(gdbus call --session \
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--dest org.gnome.SettingsDaemon.Color \
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--object-path /org/gnome/SettingsDaemon/Color \
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--method org.freedesktop.DBus.Properties.Get \
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org.gnome.SettingsDaemon.Color NightLightActive)
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if [ "$active_after" = "(<true>,)" ]; then
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notify "is still on because of an automatic schedule"
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fi
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fi
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fi
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