backport cinnamon-desktop changes, nightlight

Author: mtwebster

data/org.cinnamon.settings-daemon.plugins.color.gschema.xml.in.in

@@ -1,4 +1,8 @@
 <schemalist>
+  <enum id="schedule_mode">
+    <value value="0" nick="auto"/>
+    <value value="1" nick="manual"/>
+  </enum>
   <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.cinnamon.settings-daemon.plugins.color" path="/org/cinnamon/settings-daemon/plugins/color/">
     <key name="recalibrate-display-threshold" type="u">
       <default>0</default>
@@ -10,5 +14,35 @@
       <summary>The duration a printer profile is valid</summary>
       <description>This is the number of days after which the printer color profile is considered invalid.</description>
     </key>
+    <key name="night-light-enabled" type="b">
+      <default>false</default>
+      <summary>If the night light mode is enabled</summary>
+      <description>Night light mode changes the color temperature of your display when the sun has gone down or at preset times.</description>
+    </key>
+    <key name="night-light-temperature" type="u">
+      <default>2700</default>
+      <summary>Temperature of the display when enabled</summary>
+      <description>This temperature in Kelvin is used to modify the screen tones when night light mode is enabled. Higher values are bluer, lower redder.</description>
+    </key>
+    <key name="night-light-schedule-mode" enum="schedule_mode">
+      <default>'auto'</default>
+      <summary>Set the way start and stop times are determined</summary>
+      <description>Setting to 'auto' will use the system timezone to determine sunrise and sunset. Using 'manual' mode allows specifying exact start and stop times (night-light-schedule-from and -to).</description>
+    </key>
+    <key name="night-light-schedule-from" type="d">
+      <default>20.00</default>
+      <summary>The start time</summary>
+      <description>When “night-light-schedule-automatic” is disabled, use this start time in hours from midnight.</description>
+    </key>
+    <key name="night-light-schedule-to" type="d">
+      <default>6.00</default>
+      <summary>The end time</summary>
+      <description>When “night-light-schedule-automatic” is disabled, use this end time in hours from midnight.</description>
+    </key>
+    <key name="night-light-last-coordinates" type="(dd)">
+      <default>(91,181)</default>
+      <summary>The last detected position</summary>
+      <description>When location services are available this represents the last detected location. The default value is an invalid value to ensure it is always updated at startup.</description>
+    </key>
   </schema>
 </schemalist>

meson.build

@@ -98,6 +98,8 @@ endif
 cc = meson.get_compiler('c')
 math = cc.find_library('m', required: false)
 
+has_timerfd_create = cc.has_function('timerfd_create')
+
 csd_conf = configuration_data()
 csd_conf.set_quoted('GTKBUILDERDIR', gtkbuilderdir)
 csd_conf.set_quoted('CINNAMON_SETTINGS_LOCALEDIR', localedir)
@@ -108,6 +110,7 @@ csd_conf.set_quoted('GETTEXT_PACKAGE', meson.project_name())
 csd_conf.set_quoted('LIBEXECDIR', join_paths(prefix, libexecdir))
 csd_conf.set_quoted('SYSCONFDIR', sysconfdir)
 csd_conf.set_quoted('LIBDIR', libdir)
+csd_conf.set10('HAVE_TIMERFD', has_timerfd_create)
 
 if gudev.found()
     cargs += '-DHAVE_GUDEV'