refactor: better error handling for client initialization

src/modules/clipboard.rs

@@ -13,7 +13,6 @@ use gtk::prelude::*;
 use gtk::{Button, EventBox, Image, Label, Orientation, RadioButton, Widget};
 use serde::Deserialize;
 use std::collections::HashMap;
-use std::sync::Arc;
 use tokio::sync::{broadcast, mpsc};
 use tracing::{debug, error};
 
@@ -76,7 +75,7 @@ impl Module<Button> for ClipboardModule {
         let max_items = self.max_items;
 
         let tx = context.tx.clone();
-        let client: Arc<clipboard::Client> = context.client();
+        let client = context.client::<clipboard::Client>();
 
         // listen to clipboard events
         spawn(async move {

src/modules/mod.rs

@@ -10,7 +10,7 @@ use gtk::{Application, Button, EventBox, IconTheme, Orientation, Revealer, Widge
 use tokio::sync::{broadcast, mpsc};
 use tracing::debug;
 
-use crate::clients::ProvidesClient;
+use crate::clients::{ClientResult, ProvidesClient, ProvidesFallibleClient};
 use crate::config::{BarPosition, CommonConfig, TransitionType};
 use crate::gtk_helpers::{IronbarGtkExt, WidgetGeometry};
 use crate::popup::Popup;
@@ -115,6 +115,13 @@ where
         ProvidesClient::provide(self)
     }
 
+    pub fn try_client<T: ?Sized>(&self) -> ClientResult<T>
+    where
+        WidgetContext<TSend, TReceive>: ProvidesFallibleClient<T>,
+    {
+        ProvidesFallibleClient::try_provide(self)
+    }
+
     /// Subscribes to events sent from this widget.
     pub fn subscribe(&self) -> broadcast::Receiver<TSend> {
         self.update_tx.subscribe()

src/modules/notifications.rs

@@ -108,7 +108,7 @@ impl Module<Overlay> for NotificationsModule {
     where
         <Self as Module<Overlay>>::SendMessage: Clone,
     {
-        let client = context.client::<swaync::Client>();
+        let client = context.try_client::<swaync::Client>()?;
 
         {
             let client = client.clone();

src/modules/tray/mod.rs

@@ -67,7 +67,7 @@ impl Module<MenuBar> for TrayModule {
     ) -> Result<()> {
         let tx = context.tx.clone();
 
-        let client = context.client::<tray::Client>();
+        let client = context.try_client::<tray::Client>()?;
         let mut tray_rx = client.subscribe();
 
         let initial_items = lock!(client.items()).clone();

src/modules/workspaces.rs

@@ -153,7 +153,7 @@ impl Module<gtk::Box> for WorkspacesModule {
         mut rx: Receiver<Self::ReceiveMessage>,
     ) -> Result<()> {
         let tx = context.tx.clone();
-        let client = context.ironbar.clients.borrow_mut().workspaces();
+        let client = context.ironbar.clients.borrow_mut().workspaces()?;
         // Subscribe & send events
         spawn(async move {
             let mut srx = client.subscribe_workspace_change();
@@ -166,7 +166,7 @@ impl Module<gtk::Box> for WorkspacesModule {
             }
         });
 
-        let client = context.client::<dyn WorkspaceClient>();
+        let client = context.try_client::<dyn WorkspaceClient>()?;
 
         // Change workspace focus
         spawn(async move {