diff --git a/Cargo.lock b/Cargo.lock
index 7ab6c99..e2f242b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -253,7 +253,7 @@ checksum = "0e97ce7de6cf12de5d7226c73f5ba9811622f4db3a5b91b55c53e987e5f91cba"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -270,7 +270,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -445,7 +445,7 @@ checksum = "fdde5c9cd29ebd706ce1b35600920a33550e402fc998a2e53ad3b42c3c47a192"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -799,6 +799,7 @@ dependencies = [
  "once_cell",
  "regex",
  "rust-embed",
+ "serde",
  "slotmap",
  "tokio",
  "tracing",
@@ -1070,7 +1071,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1092,7 +1093,7 @@ checksum = "29a358ff9f12ec09c3e61fef9b5a9902623a695a46a917b07f269bff1445611a"
 dependencies = [
  "darling_core 0.20.1",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1134,7 +1135,7 @@ dependencies = [
  "darling 0.20.1",
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1220,7 +1221,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1293,7 +1294,7 @@ checksum = "5e9a1f9f7d83e59740248a6e14ecf93929ade55027844dfcea78beafccc15745"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1577,7 +1578,7 @@ checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -1740,7 +1741,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -2084,7 +2085,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.22",
+ "syn 2.0.28",
  "unic-langid",
 ]
 
@@ -3261,7 +3262,7 @@ checksum = "3c02bfa6b3ba8af5434fa0531bf5701f750d983d4260acd6867faca51cdc4484"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3354,7 +3355,7 @@ dependencies = [
  "phf_shared",
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3389,7 +3390,7 @@ checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3738,7 +3739,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rust-embed-utils",
- "syn 2.0.22",
+ "syn 2.0.28",
  "walkdir",
 ]
 
@@ -3861,22 +3862,22 @@ checksum = "1ef965a420fe14fdac7dd018862966a4c14094f900e1650bbc71ddd7d580c8af"
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "0ea67f183f058fe88a4e3ec6e2788e003840893b91bac4559cabedd00863b3ed"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "24e744d7782b686ab3b73267ef05697159cc0e5abbed3f47f9933165e5219036"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -3887,7 +3888,7 @@ checksum = "bcec881020c684085e55a25f7fd888954d56609ef363479dc5a1305eb0d40cab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -4206,9 +4207,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.22"
+version = "2.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2efbeae7acf4eabd6bcdcbd11c92f45231ddda7539edc7806bd1a04a03b24616"
+checksum = "04361975b3f5e348b2189d8dc55bc942f278b2d482a6a0365de5bdd62d351567"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4298,7 +4299,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -4488,7 +4489,7 @@ checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
 ]
 
 [[package]]
@@ -4814,7 +4815,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
  "wasm-bindgen-shared",
 ]
 
@@ -4848,7 +4849,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.22",
+ "syn 2.0.28",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/app/Cargo.toml b/app/Cargo.toml
index 56ef6be..d33ed06 100644
--- a/app/Cargo.toml
+++ b/app/Cargo.toml
@@ -36,6 +36,7 @@ freedesktop-desktop-entry = "0.5.0"
 notify = "6.0.0"
 anyhow = "1.0"
 image = "0.24.6"
+serde = { version = "1.0.180", features = ["derive"] }
 
 [dependencies.i18n-embed]
 version = "0.13.9"
diff --git a/app/src/app.rs b/app/src/app.rs
index 20027c6..9ee713b 100644
--- a/app/src/app.rs
+++ b/app/src/app.rs
@@ -39,7 +39,8 @@ use crate::{
                 applets::{self, APPLET_DND_ICON_ID},
             },
         },
-        input, sound, system, time,
+        input::{self, keyboard},
+        sound, system, time,
     },
     subscription::desktop_files,
     widget::{page_title, parent_page_button, search_header, sub_page_button},
@@ -273,11 +274,11 @@ impl Application for SettingsApp {
                 crate::pages::Message::Input(message) => {
                     if matches!(message, input::Message::OpenKeyboardShortcuts) {
                         if let Some(id) = self.pages.page_id::<input::keyboard::shortcuts::Page>() {
-                            self.activate_page(id);
+                            return self.activate_page(id);
                         }
                     }
                     if let Some(page) = self.pages.page_mut::<input::Page>() {
-                        page.update(message);
+                        return page.update(message);
                     }
                 }
                 crate::pages::Message::External { .. } => {
@@ -338,6 +339,16 @@ impl Application for SettingsApp {
         {
             return page.add_applet_view();
         }
+        if let Some(Some(page)) =
+            (id == keyboard::ADD_INPUT_SOURCE_DIALOGUE_ID).then(|| self.pages.page::<input::Page>())
+        {
+            return page.add_input_source_view();
+        }
+        if let Some(Some(page)) = (id == keyboard::SPECIAL_CHARACTER_DIALOGUE_ID)
+            .then(|| self.pages.page::<input::Page>())
+        {
+            return page.special_character_key_view();
+        }
 
         cosmic::iced::widget::responsive(|size| {
             let is_condensed = (600.0 * self.scaling_factor) > size.width;
diff --git a/app/src/pages/input/keyboard/mod.rs b/app/src/pages/input/keyboard/mod.rs
index 9738578..8409ec8 100644
--- a/app/src/pages/input/keyboard/mod.rs
+++ b/app/src/pages/input/keyboard/mod.rs
@@ -1,17 +1,67 @@
 use apply::Apply;
-use cosmic::iced::{
-    self,
-    widget::{self, horizontal_space},
-    Length,
+use cosmic::{
+    iced::{
+        self,
+        widget::{self, horizontal_space},
+        window, Length,
+    },
+    iced_style, theme,
+    widget::settings,
 };
-use cosmic::iced_style;
-use cosmic::widget::settings;
-use cosmic_settings_page::Section;
-use cosmic_settings_page::{self as page, section};
+use cosmic_settings_page::{self as page, section, Section};
 use slotmap::SlotMap;
 
 use super::Message;
 
+pub const ADD_INPUT_SOURCE_DIALOGUE_ID: window::Id = window::Id(2000);
+pub const SPECIAL_CHARACTER_DIALOGUE_ID: window::Id = window::Id(2001);
+
+static COMPOSE_OPTIONS: &[(&str, &str)] = &[
+    // ("Left Alt", "compose:lalt"), XXX?
+    ("Right Alt", "compose:ralt"),
+    ("Left Super", "compose:lwin"),
+    ("Right Super", "compose:rwin"),
+    ("Menu key", "compose:menu"),
+    ("Right Ctrl", "compose:rctrl"),
+    ("Caps Lock", "compose:caps"),
+    ("Scroll Lock", "compose:sclk"),
+    ("Print Screen", "compose:prsc"),
+];
+
+static ALTERNATE_CHARACTER_OPTIONS: &[(&str, &str)] = &[
+    ("Left Alt", "lv3:lalt_switch"),
+    ("Right Alt", "lv3:alt_switch"),
+    ("Left Super", "lv3:lwin_switch"),
+    ("Right Super", "lv3:win_switch"),
+    ("Menu key", "lv3:menu_switch"),
+    // ("Right Ctrl", "lv3:"), XXX
+    ("Caps Lock", "lv3:caps_switch"),
+    // ("Scroll Lock", "lv3:"), XXX
+    // ("Print Screen", "lv3"), XXX
+];
+
+#[derive(Copy, Clone, Debug)]
+pub enum SpecialKey {
+    AlternateCharacters,
+    Compose,
+}
+
+impl SpecialKey {
+    pub fn title(self) -> String {
+        match self {
+            Self::Compose => "Compose".to_string(),
+            Self::AlternateCharacters => "Alternate Characters".to_string(),
+        }
+    }
+
+    pub fn prefix(self) -> &'static str {
+        match self {
+            Self::Compose => "compose:",
+            Self::AlternateCharacters => "lv3:",
+        }
+    }
+}
+
 fn popover_menu_row(label: String) -> cosmic::Element<'static, Message> {
     widget::text(label)
         .apply(widget::container)
@@ -92,6 +142,68 @@ pub struct InputSource {
     label: String,
 }
 
+impl super::Page {
+    pub fn add_input_source_view(&self) -> cosmic::Element<'static, crate::app::Message> {
+        widget::column![].into()
+    }
+
+    pub fn special_character_key_view(&self) -> cosmic::Element<'_, crate::app::Message> {
+        let Some(special_key) = self.special_character_dialog else {
+            return widget::text("").into();
+        };
+
+        let options = match special_key {
+            SpecialKey::Compose => COMPOSE_OPTIONS,
+            SpecialKey::AlternateCharacters => ALTERNATE_CHARACTER_OPTIONS,
+        };
+        let prefix = special_key.prefix();
+        let current = self
+            .xkb_options
+            .iter()
+            .find(|x| x.starts_with(prefix))
+            .map(String::as_str);
+
+        // TODO description, layout default
+
+        let mut list = cosmic::widget::list_column();
+        list = list.add(special_char_radio_row("None", None, current));
+        for (desc, id) in options {
+            list = list.add(special_char_radio_row(desc, Some(id), current));
+        }
+        widget::column![
+            cosmic::widget::header_bar()
+                .title(special_key.title())
+                .on_close(Message::CloseSpecialCharacterDialog),
+            cosmic::widget::container(
+                cosmic::widget::scrollable(cosmic::widget::container(list).padding(24))
+                    .width(Length::Fill)
+                    .height(Length::Fill)
+            )
+            .style(theme::Container::Background)
+            .width(Length::Fill)
+            .height(Length::Fill)
+        ]
+        .apply(cosmic::Element::from)
+        .map(crate::pages::Message::Input)
+        .map(crate::app::Message::PageMessage)
+    }
+}
+
+fn special_char_radio_row<'a>(
+    desc: &'a str,
+    value: Option<&'static str>,
+    current_value: Option<&'a str>,
+) -> cosmic::Element<'a, Message> {
+    settings::item_row(vec![iced::widget::radio(
+        desc,
+        value,
+        Some(current_value),
+        |_| Message::SpecialCharacterSelect(value),
+    )
+    .into()])
+    .into()
+}
+
 #[derive(Default)]
 pub struct Page;
 
@@ -161,8 +273,14 @@ fn special_character_entry() -> Section<crate::pages::Message> {
 
             // TODO dialogs
             settings::view_section(&section.title)
-                .add(settings::item(&descriptions[0], go_next_control()))
-                .add(settings::item(&descriptions[1], go_next_control()))
+                .add(go_next_item(
+                    &descriptions[0],
+                    Message::OpenSpecialCharacterDialog(SpecialKey::AlternateCharacters),
+                ))
+                .add(go_next_item(
+                    &descriptions[1],
+                    Message::OpenSpecialCharacterDialog(SpecialKey::Compose),
+                ))
                 .apply(cosmic::Element::from)
                 .map(crate::pages::Message::Input)
         })
@@ -172,21 +290,14 @@ fn keyboard_shortcuts() -> Section<crate::pages::Message> {
     Section::default()
         .title(fl!("keyboard-shortcuts"))
         .descriptions(vec![fl!("keyboard-shortcuts", "desc")])
-        .view::<Page>(|binder, _page, section| {
+        .view::<Page>(|_binder, _page, section| {
             let descriptions = &section.descriptions;
 
             settings::view_section(&section.title)
-                .add(
-                    settings::item(&descriptions[0], go_next_control())
-                        .apply(widget::container)
-                        .style(cosmic::theme::Container::custom(
-                            cosmic::widget::list::column::style,
-                        ))
-                        .apply(widget::button)
-                        .style(cosmic::theme::Button::Transparent)
-                        .padding(0)
-                        .on_press(Message::OpenKeyboardShortcuts),
-                )
+                .add(go_next_item(
+                    &descriptions[0],
+                    Message::OpenKeyboardShortcuts,
+                ))
                 .apply(cosmic::Element::from)
                 .map(crate::pages::Message::Input)
         })
@@ -199,3 +310,16 @@ fn go_next_control() -> cosmic::Element<'static, Message> {
     )
     .into()
 }
+
+fn go_next_item(description: &str, msg: Message) -> cosmic::Element<'_, Message> {
+    settings::item(description, go_next_control())
+        .apply(widget::container)
+        .style(cosmic::theme::Container::custom(
+            cosmic::widget::list::column::style,
+        ))
+        .apply(widget::button)
+        .style(cosmic::theme::Button::Transparent)
+        .padding(0)
+        .on_press(msg)
+        .into()
+}
diff --git a/app/src/pages/input/keyboard/shortcuts.rs b/app/src/pages/input/keyboard/shortcuts.rs
index e01fe7c..4b0e036 100644
--- a/app/src/pages/input/keyboard/shortcuts.rs
+++ b/app/src/pages/input/keyboard/shortcuts.rs
@@ -1,8 +1,5 @@
 use apply::Apply;
-use cosmic::iced::{
-    widget::{self, horizontal_space},
-    Length,
-};
+use cosmic::iced::widget;
 use cosmic::widget::settings;
 use cosmic::Element;
 use cosmic_settings_page::Section;
@@ -35,9 +32,9 @@ fn shortcuts() -> Section<crate::pages::Message> {
     Section::default()
         .descriptions(vec![])
         .view::<Page>(|binder, _page, section| {
-            let descriptions = &section.descriptions;
+            let _descriptions = &section.descriptions;
 
-            let input = binder
+            let _input = binder
                 .page::<super::super::Page>()
                 .expect("input page not found");
 
diff --git a/app/src/pages/input/mod.rs b/app/src/pages/input/mod.rs
index 744f65a..8c072b3 100644
--- a/app/src/pages/input/mod.rs
+++ b/app/src/pages/input/mod.rs
@@ -1,8 +1,23 @@
+use crate::app;
+use cosmic::{
+    iced::{self, wayland::actions::window::SctkWindowSettings, window},
+    iced_sctk::commands,
+    iced_widget::core::layout,
+};
 use cosmic_settings_page as page;
 
 pub mod keyboard;
 mod mouse;
 
+#[derive(Debug, Clone, serde::Deserialize, serde::Serialize)]
+pub struct XkbConfig {
+    pub rules: String,
+    pub model: String,
+    pub layout: String,
+    pub variant: String,
+    pub options: Option<String>,
+}
+
 #[derive(Clone, Debug)]
 pub enum Message {
     SetAcceleration(bool),
@@ -14,11 +29,16 @@ pub enum Message {
     // seperate close message, to make sure another isn't closed?
     ExpandInputSourcePopover(Option<String>),
     OpenKeyboardShortcuts,
+    OpenSpecialCharacterDialog(keyboard::SpecialKey),
+    CloseSpecialCharacterDialog,
+    SpecialCharacterSelect(Option<&'static str>),
 }
 
 #[derive(derivative::Derivative)]
 #[derivative(Default)]
 pub struct Page {
+    // cosmic_config::Config
+
     // Mouse
     #[derivative(Default(value = "mouse::default_primary_button()"))]
     primary_button: cosmic::widget::segmented_button::SingleSelectModel,
@@ -32,11 +52,13 @@ pub struct Page {
     expanded_source_popover: Option<String>,
     #[derivative(Default(value = "keyboard::default_input_sources()"))]
     sources: Vec<keyboard::InputSource>,
+    special_character_dialog: Option<keyboard::SpecialKey>,
+    xkb_options: Vec<String>,
 }
 
 impl Page {
     // TODO
-    pub fn update(&mut self, message: Message) {
+    pub fn update(&mut self, message: Message) -> iced::Command<app::Message> {
         match message {
             Message::SetAcceleration(value) => {
                 self.acceleration = value;
@@ -59,9 +81,45 @@ impl Page {
             Message::ExpandInputSourcePopover(value) => {
                 self.expanded_source_popover = value;
             }
-            // TODO Specially handled in app.rs
+            Message::OpenSpecialCharacterDialog(special_key) => {
+                self.special_character_dialog = Some(special_key);
+                let window_settings = SctkWindowSettings {
+                    window_id: keyboard::SPECIAL_CHARACTER_DIALOGUE_ID,
+                    app_id: Some("com.system76.CosmicSettings".to_string()),
+                    title: Some(special_key.title()),
+                    parent: Some(window::Id(0)),
+                    autosize: false,
+                    size_limits: layout::Limits::NONE
+                        .min_width(300.0)
+                        .max_width(800.0)
+                        .min_height(200.0)
+                        .max_height(1080.0),
+                    size: (512, 420),
+                    resizable: None,
+                    client_decorations: true,
+                    transparent: true,
+                };
+                return commands::window::get_window(window_settings);
+            }
+            Message::CloseSpecialCharacterDialog => {
+                self.special_character_dialog = None;
+                return commands::window::close_window(keyboard::SPECIAL_CHARACTER_DIALOGUE_ID);
+            }
+            Message::SpecialCharacterSelect(id) => {
+                if let Some(special_key) = self.special_character_dialog {
+                    let prefix = special_key.prefix();
+                    if let Some(idx) = self.xkb_options.iter().position(|x| x.starts_with(prefix)) {
+                        self.xkb_options.remove(idx);
+                    }
+                    if let Some(id) = id {
+                        self.xkb_options.push(id.to_string());
+                    }
+                    // TODO set in cosmic-config
+                }
+            }
             Message::OpenKeyboardShortcuts => {}
         }
+        iced::Command::none()
     }
 }
 
diff --git a/app/src/pages/input/mouse.rs b/app/src/pages/input/mouse.rs
index fd23251..7341059 100644
--- a/app/src/pages/input/mouse.rs
+++ b/app/src/pages/input/mouse.rs
@@ -1,8 +1,5 @@
 use apply::Apply;
-use cosmic::iced::{
-    widget::{self, horizontal_space},
-    Length,
-};
+use cosmic::iced::widget;
 use cosmic::widget::settings;
 use cosmic::Element;
 use cosmic_settings_page::Section;