Remove dependency on strum

While it is somewhat convenient, let's stop being lazy and implement
more explicit methods manually.

Cargo.lock

@@ -1167,7 +1167,6 @@ dependencies = [
  "serde_bytes",
  "serde_json",
  "sourceview5",
- "strum",
  "tempfile",
  "thiserror 2.0.18",
  "tld",
@@ -4661,27 +4660,6 @@ dependencies = [
  "quote",
 ]
 
-[[package]]
-name = "strum"
-version = "0.27.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
-dependencies = [
- "strum_macros",
-]
-
-[[package]]
-name = "strum_macros"
-version = "0.27.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "subtle"
 version = "2.6.1"

Cargo.toml

@@ -48,7 +48,6 @@ secular = { version = "1", features = ["bmp", "normalization"] }
 serde = "1"
 serde_bytes = "0.11"
 serde_json = "1"
-strum = { version = "0.27.1", features = ["derive"] }
 tempfile = "3"
 thiserror = "2"
 tld = "2"

src/account_settings/mod.rs

@@ -29,7 +29,7 @@ use crate::{
 };
 
 /// A subpage of the account settings.
-#[derive(Debug, Clone, Copy, Eq, PartialEq, glib::Variant, strum::AsRefStr)]
+#[derive(Debug, Clone, Copy, Eq, PartialEq, glib::Variant)]
 pub(crate) enum AccountSettingsSubpage {
     /// A form to change the account's password.
     ChangePassword,
@@ -298,7 +298,7 @@ impl AccountSettings {
                 ));
 
                 let page = adw::NavigationPage::builder()
-                    .tag(AccountSettingsSubpage::CryptoIdentitySetup.as_ref())
+                    .tag("crypto-identity-setup")
                     .child(&view)
                     .build();
                 page.connect_shown(clone!(
@@ -322,7 +322,7 @@ impl AccountSettings {
                 ));
 
                 let page = adw::NavigationPage::builder()
-                    .tag(AccountSettingsSubpage::RecoverySetup.as_ref())
+                    .tag("crypto-recovery-setup")
                     .child(&view)
                     .build();
                 page.connect_shown(clone!(

src/account_settings/notifications_page.rs

@@ -1,7 +1,6 @@
 use adw::{prelude::*, subclass::prelude::*};
 use gettextrs::gettext;
 use gtk::{gio, glib, glib::clone};
-use tracing::error;
 
 use crate::{
     components::{CheckLoadingRow, EntryAddRow, RemovableRow, SwitchLoadingRow},
@@ -234,7 +233,7 @@ mod imp {
                 return String::new();
             };
 
-            settings.global_setting().to_string()
+            settings.global_setting().as_str().to_owned()
         }
 
         /// Update the global section.
@@ -254,10 +253,7 @@ mod imp {
 
         /// Set the global setting, as a string.
         fn set_global_setting(&self, default: &str) {
-            let Ok(default) = default.parse::<NotificationsGlobalSetting>() else {
-                error!("Invalid value to set global default notifications setting: {default}");
-                return;
-            };
+            let default = NotificationsGlobalSetting::from_str(default);
 
             spawn!(clone!(
                 #[weak(rename_to = imp)]

src/components/crypto/identity_setup_view.rs

@@ -18,8 +18,7 @@ use crate::{
 };
 
 /// A page of the crypto identity setup navigation stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr, glib::Variant)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum CryptoIdentitySetupPage {
     /// Choose a verification method.
     ChooseMethod,
@@ -33,6 +32,33 @@ enum CryptoIdentitySetupPage {
     Recovery,
 }
 
+impl CryptoIdentitySetupPage {
+    /// Get the tag for this page.
+    const fn tag(self) -> &'static str {
+        match self {
+            Self::ChooseMethod => "choose-method",
+            Self::Verify => "verify",
+            Self::Bootstrap => "bootstrap",
+            Self::Reset => "reset",
+            Self::Recovery => "recovery",
+        }
+    }
+
+    /// Get page matching the given tag.
+    ///
+    /// Panics if the tag does not match any of the variants.
+    fn from_tag(tag: &str) -> Self {
+        match tag {
+            "choose-method" => Self::ChooseMethod,
+            "verify" => Self::Verify,
+            "bootstrap" => Self::Bootstrap,
+            "reset" => Self::Reset,
+            "recovery" => Self::Recovery,
+            _ => panic!("Unknown CryptoIdentitySetupPage: {tag}"),
+        }
+    }
+}
+
 /// The result of the crypto identity setup.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, glib::Enum)]
 #[enum_type(name = "CryptoIdentitySetupNextStep")]
@@ -151,11 +177,16 @@ mod imp {
     impl CryptoIdentitySetupView {
         /// The visible page of the view.
         fn visible_page(&self) -> CryptoIdentitySetupPage {
-            self.navigation
+            CryptoIdentitySetupPage::from_tag(
+                &self
+                    .navigation
                     .visible_page()
-                .and_then(|p| p.tag())
-                .and_then(|t| t.as_str().try_into().ok())
-                .unwrap()
+                    .expect(
+                        "CryptoIdentitySetupView navigation view should always have a visible page",
+                    )
+                    .tag()
+                    .expect("CryptoIdentitySetupView navigation page should always have a tag"),
+            )
         }
 
         /// The recovery view.
@@ -216,7 +247,7 @@ mod imp {
             let verification_state = security.verification_state();
             if verification_state == SessionVerificationState::Verified {
                 self.navigation
-                    .replace_with_tags(&[CryptoIdentitySetupPage::Reset.as_ref()]);
+                    .replace_with_tags(&[CryptoIdentitySetupPage::Reset.tag()]);
                 return;
             }
 
@@ -226,7 +257,7 @@ mod imp {
             // If there is no crypto identity, we need to bootstrap it.
             if crypto_identity_state == CryptoIdentityState::Missing {
                 self.navigation
-                    .replace_with_tags(&[CryptoIdentitySetupPage::Bootstrap.as_ref()]);
+                    .replace_with_tags(&[CryptoIdentitySetupPage::Bootstrap.tag()]);
                 return;
             }
 
@@ -331,10 +362,10 @@ mod imp {
                     .navigation
                     .visible_page()
                     .and_then(|p| p.tag())
-                    .is_none_or(|t| t != CryptoIdentitySetupPage::Verify.as_ref())
+                    .is_none_or(|t| t != CryptoIdentitySetupPage::Verify.tag())
             {
                 self.navigation
-                    .push_by_tag(CryptoIdentitySetupPage::Verify.as_ref());
+                    .push_by_tag(CryptoIdentitySetupPage::Verify.tag());
             }
 
             self.obj().notify_verification();
@@ -349,7 +380,7 @@ mod imp {
             recovery_view.set_initial_page(initial_page);
 
             let page = adw::NavigationPage::builder()
-                .tag(CryptoIdentitySetupPage::Recovery.as_ref())
+                .tag(CryptoIdentitySetupPage::Recovery.tag())
                 .child(recovery_view)
                 .build();
             page.connect_shown(clone!(
@@ -404,7 +435,7 @@ mod imp {
                 self.navigation.push(&recovery_view);
             } else {
                 self.navigation
-                    .push_by_tag(CryptoIdentitySetupPage::Bootstrap.as_ref());
+                    .push_by_tag(CryptoIdentitySetupPage::Bootstrap.tag());
             }
         }
 

src/components/crypto/recovery_setup_view.rs

@@ -14,8 +14,7 @@ use crate::{
 };
 
 /// A page of the [`CryptoRecoverySetupView`] navigation stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum CryptoRecoverySetupPage {
     /// Use account recovery.
     Recover,
@@ -29,10 +28,35 @@ enum CryptoRecoverySetupPage {
     Incomplete,
 }
 
+impl CryptoRecoverySetupPage {
+    /// Get the tag for this page.
+    const fn tag(self) -> &'static str {
+        match self {
+            Self::Recover => "recover",
+            Self::Reset => "reset",
+            Self::Enable => "enable",
+            Self::Success => "success",
+            Self::Incomplete => "incomplete",
+        }
+    }
+
+    /// Get the page matching the given tag.
+    ///
+    /// Panics if the tag does not match any variant.
+    fn from_tag(tag: &str) -> Self {
+        match tag {
+            "recover" => Self::Recover,
+            "reset" => Self::Reset,
+            "enable" => Self::Enable,
+            "success" => Self::Success,
+            "incomplete" => Self::Incomplete,
+            _ => panic!("Unknown CryptoRecoverySetupPage: {tag}"),
+        }
+    }
+}
+
 /// The initial page of the [`CryptoRecoverySetupView`].
-#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, glib::Enum, strum::AsRefStr)]
-#[enum_type(name = "CryptoRecoverySetupInitialPage")]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
 pub enum CryptoRecoverySetupInitialPage {
     /// Use account recovery.
     #[default]
@@ -43,6 +67,16 @@ pub enum CryptoRecoverySetupInitialPage {
     Enable,
 }
 
+impl From<CryptoRecoverySetupInitialPage> for CryptoRecoverySetupPage {
+    fn from(value: CryptoRecoverySetupInitialPage) -> Self {
+        match value {
+            CryptoRecoverySetupInitialPage::Recover => Self::Recover,
+            CryptoRecoverySetupInitialPage::Reset => Self::Reset,
+            CryptoRecoverySetupInitialPage::Enable => Self::Enable,
+        }
+    }
+}
+
 mod imp {
     use std::sync::LazyLock;
 
@@ -140,11 +174,16 @@ mod imp {
     impl CryptoRecoverySetupView {
         /// The visible page of the view.
         fn visible_page(&self) -> CryptoRecoverySetupPage {
-            self.navigation
+            CryptoRecoverySetupPage::from_tag(
+                &self
+                    .navigation
                     .visible_page()
-                .and_then(|p| p.tag())
-                .and_then(|t| t.as_str().try_into().ok())
-                .unwrap()
+                    .expect(
+                        "CryptoRecoverySetupView navigation view should always have a visible page",
+                    )
+                    .tag()
+                    .expect("CryptoRecoverySetupView navigation page should always have a tag"),
+            )
         }
 
         /// Set the current session.
@@ -213,7 +252,8 @@ mod imp {
 
         /// Set the initial page of this view.
         pub(super) fn set_initial_page(&self, initial_page: CryptoRecoverySetupInitialPage) {
-            self.navigation.replace_with_tags(&[initial_page.as_ref()]);
+            self.navigation
+                .replace_with_tags(&[CryptoRecoverySetupPage::from(initial_page).tag()]);
         }
 
         /// Update the success page for the given recovery key.
@@ -276,7 +316,7 @@ mod imp {
                     // sure of the SDK's recovery state at this point, not the Session's.
                     if encryption.recovery().state() == SdkRecoveryState::Incomplete {
                         self.navigation
-                            .push_by_tag(CryptoRecoverySetupPage::Incomplete.as_ref());
+                            .push_by_tag(CryptoRecoverySetupPage::Incomplete.tag());
                     } else {
                         self.emit_completed();
                     }
@@ -424,7 +464,7 @@ mod imp {
 
                     self.update_success(key);
                     self.navigation
-                        .push_by_tag(CryptoRecoverySetupPage::Success.as_ref());
+                        .push_by_tag(CryptoRecoverySetupPage::Success.tag());
                 }
                 Err(error) => {
                     error!("Could not re-enable account recovery: {error}");
@@ -458,7 +498,7 @@ mod imp {
 
                     self.update_success(key);
                     self.navigation
-                        .push_by_tag(CryptoRecoverySetupPage::Success.as_ref());
+                        .push_by_tag(CryptoRecoverySetupPage::Success.tag());
                 }
                 Err(error) => {
                     error!("Could not reset account recovery key: {error}");
@@ -496,7 +536,7 @@ mod imp {
 
                     self.update_success(key);
                     self.navigation
-                        .push_by_tag(CryptoRecoverySetupPage::Success.as_ref());
+                        .push_by_tag(CryptoRecoverySetupPage::Success.tag());
                 }
                 Err(error) => {
                     error!("Could not enable account recovery: {error}");
@@ -531,7 +571,7 @@ mod imp {
         fn show_reset(&self) {
             self.update_reset();
             self.navigation
-                .push_by_tag(CryptoRecoverySetupPage::Reset.as_ref());
+                .push_by_tag(CryptoRecoverySetupPage::Reset.tag());
         }
     }
 }

src/error_page.rs

@@ -5,8 +5,7 @@ use gtk::glib;
 use crate::{APP_ID, toast};
 
 /// The possible error subpages.
-#[derive(Debug, Clone, Copy, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy)]
 pub enum ErrorSubpage {
     /// The page to present when there was an error with the secret API.
     Secret,
@@ -14,6 +13,16 @@ pub enum ErrorSubpage {
     Session,
 }
 
+impl ErrorSubpage {
+    /// The name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::Secret => "secret",
+            Self::Session => "name",
+        }
+    }
+}
+
 mod imp {
     use glib::subclass::InitializingObject;
 
@@ -74,14 +83,14 @@ mod imp {
 
             self.secret_error_page.set_description(Some(message));
             self.stack
-                .set_visible_child_name(ErrorSubpage::Secret.as_ref());
+                .set_visible_child_name(ErrorSubpage::Secret.name());
         }
 
         /// Display the given session error.
         pub(super) fn display_session_error(&self, message: &str) {
             self.session_error_page.set_description(Some(message));
             self.stack
-                .set_visible_child_name(ErrorSubpage::Session.as_ref());
+                .set_visible_child_name(ErrorSubpage::Session.name());
         }
 
         /// Copy the secret service override command to the clipboard.

src/login/greeter.rs

@@ -51,6 +51,9 @@ glib::wrapper! {
 }
 
 impl Greeter {
+    /// The tag for this page.
+    pub(super) const TAG: &str = "greeter";
+
     pub fn new() -> Self {
         glib::Object::new()
     }

src/login/homeserver_page.rs

@@ -282,6 +282,9 @@ glib::wrapper! {
 }
 
 impl LoginHomeserverPage {
+    /// The tag for this page.
+    pub(super) const TAG: &str = "homeserver";
+
     pub fn new() -> Self {
         glib::Object::new()
     }

src/login/in_browser_page.rs

@@ -247,6 +247,9 @@ glib::wrapper! {
 }
 
 impl LoginInBrowserPage {
+    /// The tag for this page.
+    pub(super) const TAG: &str = "in-browser";
+
     pub fn new() -> Self {
         glib::Object::new()
     }

src/login/method_page.rs

@@ -180,6 +180,9 @@ glib::wrapper! {
 }
 
 impl LoginMethodPage {
+    /// The tag for this page.
+    pub(super) const TAG: &str = "method";
+
     pub fn new() -> Self {
         glib::Object::new()
     }

src/login/mod.rs

@@ -40,8 +40,7 @@ use crate::{
 };
 
 /// A page of the login stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum LoginPage {
     /// The greeter page.
     Greeter,
@@ -57,6 +56,35 @@ enum LoginPage {
     Completed,
 }
 
+impl LoginPage {
+    /// Get the tag for this page.
+    const fn tag(self) -> &'static str {
+        match self {
+            Self::Greeter => Greeter::TAG,
+            Self::Homeserver => LoginHomeserverPage::TAG,
+            Self::Method => LoginMethodPage::TAG,
+            Self::InBrowser => LoginInBrowserPage::TAG,
+            Self::SessionSetup => SessionSetupView::TAG,
+            Self::Completed => "completed",
+        }
+    }
+
+    /// Get the page matching the given tag.
+    ///
+    /// Panics if the tag does not match any of the variants.
+    fn from_tag(tag: &str) -> Self {
+        match tag {
+            Greeter::TAG => Self::Greeter,
+            LoginHomeserverPage::TAG => Self::Homeserver,
+            LoginMethodPage::TAG => Self::Method,
+            LoginInBrowserPage::TAG => Self::InBrowser,
+            SessionSetupView::TAG => Self::SessionSetup,
+            "completed" => Self::Completed,
+            _ => panic!("Unknown LoginPage: {tag}"),
+        }
+    }
+}
+
 mod imp {
     use std::cell::{Cell, RefCell};
 
@@ -175,11 +203,14 @@ mod imp {
     impl Login {
         /// The visible page of the view.
         pub(super) fn visible_page(&self) -> LoginPage {
-            self.navigation
+            LoginPage::from_tag(
+                &self
+                    .navigation
                     .visible_page()
-                .and_then(|p| p.tag())
-                .and_then(|s| s.as_str().try_into().ok())
-                .unwrap()
+                    .expect("Login navigation view should always have a visible page")
+                    .tag()
+                    .expect("Login navigation page should always have a tag"),
+            )
         }
 
         /// Set whether auto-discovery is enabled.
@@ -195,7 +226,7 @@ mod imp {
         /// Get the session setup view, if any.
         pub(super) fn session_setup(&self) -> Option<SessionSetupView> {
             self.navigation
-                .find_page(LoginPage::SessionSetup.as_ref())
+                .find_page(LoginPage::SessionSetup.tag())
                 .and_downcast()
         }
 
@@ -377,7 +408,7 @@ mod imp {
         ) {
             self.method_page
                 .update(homeserver, server_name, supports_sso);
-            self.navigation.push_by_tag(LoginPage::Method.as_ref());
+            self.navigation.push_by_tag(LoginPage::Method.tag());
         }
 
         /// Show the page to log in with the browser with the given data.
@@ -387,7 +418,7 @@ mod imp {
             data: LoginInBrowserData,
         ) {
             self.in_browser_page.set_up(local_server_handle, data);
-            self.navigation.push_by_tag(LoginPage::InBrowser.as_ref());
+            self.navigation.push_by_tag(LoginPage::InBrowser.tag());
         }
 
         /// Create the session after a successful login.
@@ -414,7 +445,7 @@ mod imp {
                 #[weak(rename_to = imp)]
                 self,
                 move |_| {
-                    imp.navigation.push_by_tag(LoginPage::Completed.as_ref());
+                    imp.navigation.push_by_tag(LoginPage::Completed.tag());
                 }
             ));
             self.navigation.push(&setup_view);
@@ -465,7 +496,7 @@ mod imp {
             self.drop_session();
 
             // Reinitialize UI.
-            self.navigation.pop_to_tag(LoginPage::Greeter.as_ref());
+            self.navigation.pop_to_tag(LoginPage::Greeter.tag());
             self.unfreeze();
         }
 

src/login/session_setup_view.rs

@@ -13,8 +13,7 @@ use crate::{
 };
 
 /// A page of the session setup stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum SessionSetupPage {
     /// The loading page.
     Loading,
@@ -24,6 +23,29 @@ enum SessionSetupPage {
     Recovery,
 }
 
+impl SessionSetupPage {
+    /// Get the name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::Loading => "loading",
+            Self::CryptoIdentity => "crypto-identity",
+            Self::Recovery => "recovery",
+        }
+    }
+
+    /// Get the page matching the given name.
+    ///
+    /// Panics if the name does not match any of the variants.
+    fn from_name(name: &str) -> Self {
+        match name {
+            "loading" => Self::Loading,
+            "crypto-identity" => Self::CryptoIdentity,
+            "recovery" => Self::Recovery,
+            _ => panic!("Unknown SessionSetupPage: {name}"),
+        }
+    }
+}
+
 mod imp {
     use std::{
         cell::{OnceCell, RefCell},
@@ -113,10 +135,12 @@ mod imp {
     impl SessionSetupView {
         /// The visible page of the stack.
         fn visible_stack_page(&self) -> SessionSetupPage {
-            self.stack
+            SessionSetupPage::from_name(
+                &self
+                    .stack
                     .visible_child_name()
-                .and_then(|n| n.as_str().try_into().ok())
-                .unwrap()
+                    .expect("SessionSetupView stack should always have a visible child name"),
+            )
         }
 
         /// The crypto identity view.
@@ -280,10 +304,10 @@ mod imp {
 
                 self.stack.add_named(
                     crypto_identity_view,
-                    Some(SessionSetupPage::CryptoIdentity.as_ref()),
+                    Some(SessionSetupPage::CryptoIdentity.name()),
                 );
                 self.stack
-                    .set_visible_child_name(SessionSetupPage::CryptoIdentity.as_ref());
+                    .set_visible_child_name(SessionSetupPage::CryptoIdentity.name());
             } else {
                 self.switch_to_recovery();
             }
@@ -313,9 +337,9 @@ mod imp {
             let recovery_view = self.recovery_view();
 
             self.stack
-                .add_named(recovery_view, Some(SessionSetupPage::Recovery.as_ref()));
+                .add_named(recovery_view, Some(SessionSetupPage::Recovery.name()));
             self.stack
-                .set_visible_child_name(SessionSetupPage::Recovery.as_ref());
+                .set_visible_child_name(SessionSetupPage::Recovery.name());
         }
 
         /// Focus the proper widget for the current page.
@@ -343,6 +367,9 @@ glib::wrapper! {
 }
 
 impl SessionSetupView {
+    /// The tag for this page.
+    pub(super) const TAG: &str = "session-setup";
+
     pub fn new(session: &Session) -> Self {
         glib::Object::builder().property("session", session).build()
     }

src/session/notifications/notifications_settings.rs

@@ -22,11 +22,8 @@ use crate::{
 };
 
 /// The possible values for the global notifications setting.
-#[derive(
-    Debug, Default, Hash, Eq, PartialEq, Clone, Copy, glib::Enum, strum::Display, strum::EnumString,
-)]
+#[derive(Debug, Default, Eq, PartialEq, Clone, Copy, glib::Enum)]
 #[enum_type(name = "NotificationsGlobalSetting")]
-#[strum(serialize_all = "kebab-case")]
 pub enum NotificationsGlobalSetting {
     /// Every message in every room.
     #[default]
@@ -37,10 +34,32 @@ pub enum NotificationsGlobalSetting {
     MentionsOnly,
 }
 
+impl NotificationsGlobalSetting {
+    /// Get the string representation of this value.
+    pub(crate) fn as_str(self) -> &'static str {
+        match self {
+            Self::All => "all",
+            Self::DirectAndMentions => "direct-and-mentions",
+            Self::MentionsOnly => "mentions-only",
+        }
+    }
+
+    /// Construct a `NotificationsGlobalSetting` from its string representation.
+    ///
+    /// Panics if the string does not match a variant of this enum.
+    pub(crate) fn from_str(s: &str) -> Self {
+        match s {
+            "all" => Self::All,
+            "direct-and-mentions" => Self::DirectAndMentions,
+            "mentions-only" => Self::MentionsOnly,
+            _ => panic!("Unknown NotificationsGlobalSetting: {s}"),
+        }
+    }
+}
+
 /// The possible values for a room notifications setting.
-#[derive(Debug, Default, Hash, Eq, PartialEq, Clone, Copy, glib::Enum, strum::EnumString)]
+#[derive(Debug, Default, Eq, PartialEq, Clone, Copy, glib::Enum)]
 #[enum_type(name = "NotificationsRoomSetting")]
-#[strum(serialize_all = "kebab-case")]
 pub enum NotificationsRoomSetting {
     /// Use the global setting.
     #[default]

src/session/room/member_list.rs

@@ -322,11 +322,8 @@ impl MemberList {
 /// The kind of membership used to filter a list of room members.
 ///
 /// This is a subset of [`Membership`].
-#[derive(
-    Debug, Default, Hash, Eq, PartialEq, Clone, Copy, glib::Enum, glib::Variant, strum::AsRefStr,
-)]
+#[derive(Debug, Default, Hash, Eq, PartialEq, Clone, Copy, glib::Enum, glib::Variant)]
 #[enum_type(name = "MembershipListKind")]
-#[strum(serialize_all = "lowercase")]
 pub enum MembershipListKind {
     /// The user is currently in the room.
     #[default]
@@ -358,8 +355,18 @@ impl MembershipListKind {
             .upcast()
     }
 
+    /// The tag to use for pages that present this kind.
+    pub(crate) const fn tag(self) -> &'static str {
+        match self {
+            Self::Join => "join",
+            Self::Invite => "invite",
+            Self::Ban => "ban",
+            Self::Knock => "knock",
+        }
+    }
+
     /// The name of the icon that represents this kind.
-    pub(crate) fn icon_name(self) -> &'static str {
+    pub(crate) const fn icon_name(self) -> &'static str {
         match self {
             Self::Join | Self::Knock => "users-symbolic",
             Self::Invite => "user-add-symbolic",

src/session/session_settings.rs

@@ -317,8 +317,8 @@ pub(super) struct MediaPreviewsSetting {
 /// previews.
 ///
 /// Legacy setting from version 0 of the stored settings.
-#[derive(Debug, Clone, Default, strum::EnumString)]
-#[strum(serialize_all = "lowercase")]
+#[derive(Debug, Clone, Default, Deserialize)]
+#[serde(rename_all = "lowercase")]
 pub(super) enum MediaPreviewsGlobalSetting {
     /// All rooms show media previews.
     All,
@@ -329,16 +329,6 @@ pub(super) enum MediaPreviewsGlobalSetting {
     None,
 }
 
-impl<'de> Deserialize<'de> for MediaPreviewsGlobalSetting {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        let cow = ruma::serde::deserialize_cow_str(deserializer)?;
-        cow.parse().map_err(serde::de::Error::custom)
-    }
-}
-
 impl From<MediaPreviewsGlobalSetting> for MediaPreviews {
     fn from(value: MediaPreviewsGlobalSetting) -> Self {
         match value {

src/session_view/content.rs

@@ -11,8 +11,7 @@ use crate::{
 };
 
 /// A page of the content stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum ContentPage {
     /// The placeholder page when no content is presented.
     Empty,
@@ -28,6 +27,35 @@ enum ContentPage {
     Verification,
 }
 
+impl ContentPage {
+    /// The name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::Empty => "empty",
+            Self::RoomHistory => "room-history",
+            Self::InviteRequest => "invite-request",
+            Self::Invite => "invite",
+            Self::Explore => "explore",
+            Self::Verification => "verification",
+        }
+    }
+
+    /// Get the page matching the given name.
+    ///
+    /// Panics if the name does not match any of the variants.
+    fn from_name(name: &str) -> Self {
+        match name {
+            "empty" => Self::Empty,
+            "room-history" => Self::RoomHistory,
+            "invite-request" => Self::InviteRequest,
+            "invite" => Self::Invite,
+            "explore" => Self::Explore,
+            "verification" => Self::Verification,
+            _ => panic!("Unknown ContentPage: {name}"),
+        }
+    }
+}
+
 mod imp {
     use std::cell::{Cell, RefCell};
 
@@ -123,12 +151,12 @@ mod imp {
     impl Content {
         /// The visible page of the content.
         pub(super) fn visible_page(&self) -> ContentPage {
-            self.stack
+            ContentPage::from_name(
+                &self
+                    .stack
                     .visible_child_name()
-                .expect("stack should always have a visible child name")
-                .as_str()
-                .try_into()
-                .expect("stack child name should be convertible to a ContentPage")
+                    .expect("Content stack should always have a visible child name"),
+            )
         }
 
         /// Set the visible page of the content.
@@ -137,7 +165,7 @@ mod imp {
                 return;
             }
 
-            self.stack.set_visible_child_name(page.as_ref());
+            self.stack.set_visible_child_name(page.name());
         }
 
         /// Set the current session.

src/session_view/create_direct_chat_dialog/mod.rs

@@ -13,8 +13,7 @@ use crate::{
 };
 
 /// A page of the [`CreateDirectChatDialog`].
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum CreateDirectChatDialogPage {
     /// The page when there is no search term.
     NoSearchTerm,
@@ -28,6 +27,19 @@ enum CreateDirectChatDialogPage {
     Error,
 }
 
+impl CreateDirectChatDialogPage {
+    /// Get the name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::NoSearchTerm => "no-search-term",
+            Self::Loading => "loading",
+            Self::Results => "results",
+            Self::Empty => "empty",
+            Self::Error => "error",
+        }
+    }
+}
+
 mod imp {
     use glib::subclass::InitializingObject;
 
@@ -129,7 +141,7 @@ mod imp {
 
         /// Set the visible page of the dialog.
         fn set_visible_page(&self, page: CreateDirectChatDialogPage) {
-            self.stack.set_visible_child_name(page.as_ref());
+            self.stack.set_visible_child_name(page.name());
         }
 
         /// Update the view for the current state of the user list.

src/session_view/room_details/members_page/members_list_view/mod.rs

@@ -177,7 +177,7 @@ mod imp {
         /// Set the kind of the membership list.
         fn set_kind(&self, kind: MembershipListKind) {
             self.kind.set(kind);
-            self.obj().set_tag(Some(kind.as_ref()));
+            self.obj().set_tag(Some(kind.tag()));
             self.update_empty_page();
         }
 

src/session_view/room_details/members_page/mod.rs

@@ -69,7 +69,7 @@ mod imp {
     impl MembersPage {
         /// Show the subpage for the list with the given membership.
         pub(super) fn show_membership_list(&self, kind: MembershipListKind) {
-            let tag = kind.as_ref();
+            let tag = kind.tag();
 
             if self.navigation_view.find_page(tag).is_some() {
                 self.navigation_view.push_by_tag(tag);

src/session_view/room_history/message_toolbar/mod.rs

@@ -54,8 +54,7 @@ use crate::{
 type ComposerStatesMap = HashMap<Option<String>, HashMap<Option<OwnedRoomId>, ComposerState>>;
 
 /// The available stack pages of the [`MessageToolbar`].
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::AsRefStr, strum::EnumString)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum MessageToolbarPage {
     /// The composer and other buttons to send messages.
     Composer,
@@ -65,6 +64,29 @@ enum MessageToolbarPage {
     Tombstoned,
 }
 
+impl MessageToolbarPage {
+    /// The name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::Composer => "composer",
+            Self::NoPermission => "no-permission",
+            Self::Tombstoned => "tombstoned",
+        }
+    }
+
+    /// Get the page matching the given name.
+    ///
+    /// Panics if the name does not match any variant.
+    fn from_name(name: &str) -> Self {
+        match name {
+            "composer" => Self::Composer,
+            "no-permission" => Self::NoPermission,
+            "tombstoned" => Self::Tombstoned,
+            _ => panic!("Unknown MessageToolbarPage: {name}"),
+        }
+    }
+}
+
 mod imp {
     use std::{
         cell::{Cell, RefCell},
@@ -195,7 +217,7 @@ mod imp {
             let Some(visible_page) = self
                 .main_stack
                 .visible_child_name()
-                .and_then(|name| MessageToolbarPage::try_from(name.as_str()).ok())
+                .map(|name| MessageToolbarPage::from_name(&name))
             else {
                 return false;
             };
@@ -315,7 +337,7 @@ mod imp {
         /// Update the visible stack page.
         fn update_visible_page(&self) {
             self.main_stack
-                .set_visible_child_name(self.visible_page().as_ref());
+                .set_visible_child_name(self.visible_page().name());
         }
 
         /// Update the identifier to watch for the successor of the current

src/window.rs

@@ -23,8 +23,7 @@ use crate::{
 };
 
 /// A page of the main window stack.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, strum::EnumString, strum::AsRefStr)]
-#[strum(serialize_all = "kebab-case")]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum WindowPage {
     /// The loading page.
     Loading,
@@ -36,6 +35,31 @@ enum WindowPage {
     Error,
 }
 
+impl WindowPage {
+    /// Get the name of this page.
+    const fn name(self) -> &'static str {
+        match self {
+            Self::Loading => "loading",
+            Self::Login => "login",
+            Self::Session => "session",
+            Self::Error => "error",
+        }
+    }
+
+    /// Get the page matching the given name.
+    ///
+    /// Panics if the name does not match any of the variants.
+    fn from_name(name: &str) -> Self {
+        match name {
+            "loading" => Self::Loading,
+            "login" => Self::Login,
+            "session" => Self::Session,
+            "error" => Self::Error,
+            _ => panic!("Unknown WindowPage: {name}"),
+        }
+    }
+}
+
 mod imp {
     use std::{cell::RefCell, rc::Rc};
 
@@ -339,12 +363,12 @@ mod imp {
 
         /// The visible page of the window.
         pub(super) fn visible_page(&self) -> WindowPage {
-            self.main_stack
+            WindowPage::from_name(
+                &self
+                    .main_stack
                     .visible_child_name()
-                .expect("stack should always have a visible child name")
-                .as_str()
-                .try_into()
-                .expect("stack child name should be convertible to a WindowPage")
+                    .expect("stack should always have a visible child name"),
+            )
         }
 
         /// The ID of the currently visible session, if any.
@@ -447,8 +471,8 @@ mod imp {
         }
 
         /// Set the visible page of the window.
-        fn set_visible_page(&self, name: WindowPage) {
-            self.main_stack.set_visible_child_name(name.as_ref());
+        fn set_visible_page(&self, page: WindowPage) {
+            self.main_stack.set_visible_child_name(page.name());
         }
 
         /// Open the error page and display the given secret error message.