Schedule Page: Add automatic schedule offset setting

README.md

@@ -66,16 +66,6 @@ Unfortunately, Ubuntu ships heavily modified GNOME components to implement some
 
 As the issue is in Ubuntu, and because I don't have the energy nor the will to work around the consequences of their decisions, unfortunately Ubuntu is not supported until it provides a standard GNOME environment.
 
-### Switching happens too early/too late
-
-There's a hidden setting to configure the offset (in hours) applied to the calculated sunrise and sunset times, you can change it with the `gsettings` command:
-
-```
-gsettings --schemadir ~/.local/share/gnome-shell/extensions/nightthemeswitcher@romainvigier.fr/schemas/ set org.gnome.shell.extensions.nightthemeswitcher.time offset $DESIRED_OFFSET
-```
-
-The default offset is `0.4`, set it to `0` do disable it.
-
 ### I have disabled Location services but want to use sunrise and sunset times from my location
 
 If you know your coordinates, you can enter them in a hidden setting, and the extension will use them to calculate the sunrise and sunset times. You can set it with the `gsettings` command:

src/data/org.gnome.shell.extensions.nightthemeswitcher.gschema.xml

@@ -47,7 +47,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 			<default>(91,181)</default>
 		</key>
 		<key name="offset" type="d">
-			<range min="0" max="24"/>
+			<range min="-6" max="6"/>
 			<default>0.4</default>
 		</key>
 	</schema>

src/data/ui/SchedulePage.ui

@@ -44,6 +44,39 @@ SPDX-License-Identifier: GPL-3.0-or-later
         </child>
       </object>
     </child>
+    <child>
+      <object class="AdwPreferencesGroup">
+        <child>
+          <object class="AdwActionRow">
+            <property name="title" translatable="yes">Automatic schedule offset</property>
+            <property name="subtitle" translatable="yes">A positive value makes the night longer, a negative value makes the day longer.</property>
+            <child>
+              <object class="GtkBox">
+                <property name="spacing">8</property>
+                <child>
+                  <object class="GtkSpinButton" id="schedule_offset_spin_button">
+                    <property name="digits">2</property>
+                    <property name="valign">center</property>
+                    <property name="adjustment">
+                      <object class="GtkAdjustment">
+                        <property name="lower">-6</property>
+                        <property name="upper">6</property>
+                        <property name="step-increment">0.01</property>
+                      </object>
+                    </property>
+                  </object>
+                </child>
+                <child>
+                  <object class="GtkLabel">
+                    <property name="label" translatable="yes">hours</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child>
     <child>
       <object class="AdwPreferencesGroup">
         <child>

src/po/nightthemeswitcher@romainvigier.fr.pot

@@ -8,7 +8,11 @@ msgid ""
 msgstr ""
 "Project-Id-Version: nightthemeswitcher@romainvigier.fr\n"
 "Report-Msgid-Bugs-To: \n"
+<<<<<<< HEAD
 "POT-Creation-Date: 2024-03-24 11:18+0100\n"
+=======
+"POT-Creation-Date: 2025-08-17 17:45+0200\n"
+>>>>>>> 8f766cc (FIX)
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -84,10 +88,24 @@ msgid "Use a manual schedule instead of the one computed from your location."
 msgstr ""
 
 #: src/data/ui/SchedulePage.ui:51
+msgid "Automatic schedule offset"
+msgstr ""
+
+#: src/data/ui/SchedulePage.ui:52
+msgid ""
+"A positive value makes the night longer, a negative value makes the day "
+"longer."
+msgstr ""
+
+#: src/data/ui/SchedulePage.ui:71
+msgid "hours"
+msgstr ""
+
+#: src/data/ui/SchedulePage.ui:84
 msgid "Run the transition when an app is fullscreen"
 msgstr ""
 
-#: src/data/ui/SchedulePage.ui:60
+#: src/data/ui/SchedulePage.ui:93
 msgid "Keyboard shortcut"
 msgstr ""
 

src/preferences/SchedulePage.js

@@ -16,6 +16,7 @@ export class SchedulePage extends Adw.PreferencesPage {
                 'keyboard_shortcut_button',
                 'schedule_sunrise_time_chooser',
                 'schedule_sunset_time_chooser',
+                'schedule_offset_spin_button',
                 'fullscreen_transition_switch',
             ],
         }, this);
@@ -29,6 +30,8 @@ export class SchedulePage extends Adw.PreferencesPage {
         settings.bind('sunrise', this._schedule_sunrise_time_chooser, 'time', Gio.SettingsBindFlags.DEFAULT);
         settings.bind('sunset', this._schedule_sunset_time_chooser, 'time', Gio.SettingsBindFlags.DEFAULT);
 
+        settings.bind('offset', this._schedule_offset_spin_button, 'value', Gio.SettingsBindFlags.DEFAULT);
+
         settings.bind('fullscreen-transition', this._fullscreen_transition_switch, 'active', Gio.SettingsBindFlags.DEFAULT);
 
         settings.connect('changed::nightthemeswitcher-ondemand-keybinding', () => {