feat: add Region & Language page

cosmic-settings/Cargo.toml

@@ -7,7 +7,9 @@ license = "GPL-3.0-only"
 [dependencies]
 anyhow = "1.0"
 as-result = "0.2.1"
-ashpd = { version = "0.9", default-features = false, features = ["tokio"], optional = true }
+ashpd = { version = "0.9", default-features = false, features = [
+    "tokio",
+], optional = true }
 async-channel = "2.3.1"
 chrono = "0.4.38"
 clap = { version = "4.5.17", features = ["derive"] }
@@ -39,6 +41,7 @@ indexmap = "2.5.0"
 itertools = "0.13.0"
 itoa = "1.0.11"
 libcosmic.workspace = true
+locale1 = { git = "https://github.com/pop-os/dbus-settings-bindings", optional = true }
 notify = "6.1.1"
 once_cell = "1.19.0"
 regex = "1.10.6"
@@ -63,6 +66,7 @@ xkb-data = "0.2.1"
 zbus = { version = "4.4.0", features = ["tokio"], optional = true }
 ustr = "1.0.0"
 fontdb = "0.16.2"
+fixed_decimal = "0.5.6"
 
 [dependencies.cosmic-settings-subscriptions]
 git = "https://github.com/pop-os/cosmic-settings-subscriptions"
@@ -78,14 +82,14 @@ features = ["experimental", "compiled_data", "icu_datetime_experimental"]
 version = "0.15.0"
 features = ["fluent-system", "desktop-requester"]
 
+# Contains region-handling logic for Linux
+[dependencies.lichen-system]
+git = "https://github.com/serpent-os/lichen"
+package = "system"
+optional = true
+
 [features]
-default = [
-    "a11y",
-    "dbus-config",
-    "linux",
-    "single-instance",
-    "wgpu",
-]
+default = ["a11y", "dbus-config", "linux", "single-instance", "wgpu"]
 
 # Default features for Linux
 linux = [
@@ -95,6 +99,7 @@ linux = [
     "page-input",
     "page-networking",
     "page-power",
+    "page-region",
     "page-sound",
     "page-window-management",
     "page-workspaces",
@@ -106,9 +111,19 @@ linux = [
 page-about = ["dep:cosmic-settings-system", "dep:hostname1-zbus", "dep:zbus"]
 page-bluetooth = ["dep:bluez-zbus", "dep:zbus"]
 page-date = ["dep:timedate-zbus", "dep:zbus"]
-page-input = ["dep:cosmic-comp-config", "dep:cosmic-settings-config", "dep:udev"]
-page-networking = ["ashpd", "dep:cosmic-dbus-networkmanager", "dep:cosmic-settings-subscriptions", "dep:zbus"]
+page-input = [
+    "dep:cosmic-comp-config",
+    "dep:cosmic-settings-config",
+    "dep:udev",
+]
+page-networking = [
+    "ashpd",
+    "dep:cosmic-dbus-networkmanager",
+    "dep:cosmic-settings-subscriptions",
+    "dep:zbus",
+]
 page-power = ["dep:upower_dbus", "dep:zbus"]
+page-region = ["dep:lichen-system", "dep:locale1"]
 page-sound = ["dep:cosmic-settings-subscriptions"]
 page-window-management = ["dep:cosmic-settings-config"]
 page-workspaces = ["dep:cosmic-comp-config"]

cosmic-settings/src/app.rs

@@ -96,6 +96,7 @@ impl SettingsApp {
             PageCommands::Panel => self.pages.page_id::<desktop::panel::Page>(),
             #[cfg(feature = "page-power")]
             PageCommands::Power => self.pages.page_id::<power::Page>(),
+            #[cfg(feature = "page-region")]
             PageCommands::RegionLanguage => self.pages.page_id::<time::region::Page>(),
             #[cfg(feature = "page-sound")]
             PageCommands::Sound => self.pages.page_id::<sound::Page>(),
@@ -480,6 +481,13 @@ impl cosmic::Application for SettingsApp {
                     }
                 }
 
+                #[cfg(feature = "page-region")]
+                crate::pages::Message::Region(message) => {
+                    if let Some(page) = self.pages.page_mut::<time::region::Page>() {
+                        return page.update(message).map(Into::into);
+                    }
+                }
+
                 #[cfg(feature = "page-sound")]
                 crate::pages::Message::Sound(message) => {
                     if let Some(page) = self.pages.page_mut::<sound::Page>() {

cosmic-settings/src/pages/mod.rs

@@ -63,6 +63,8 @@ pub enum Message {
     PanelApplet(desktop::panel::applets_inner::Message),
     #[cfg(feature = "page-power")]
     Power(power::Message),
+    #[cfg(feature = "page-region")]
+    Region(time::region::Message),
     #[cfg(feature = "page-sound")]
     Sound(sound::Message),
     #[cfg(feature = "page-input")]

cosmic-settings/src/pages/time/mod.rs

@@ -32,7 +32,12 @@ impl page::AutoBind<crate::pages::Message> for Page {
         {
             page = page.sub_page::<date::Page>();
         }
-        page = page.sub_page::<region::Page>();
+
+        #[cfg(feature = "page-region")]
+        {
+            page = page.sub_page::<region::Page>();
+        }
+
         page
     }
 }