fix(web): change URL when renaming session (#4299)

* fix(web): change URL when renaming session

* style(fmt): rustfmt

zellij-client/src/lib.rs

@@ -61,6 +61,7 @@ pub(crate) enum ClientInstruction {
     QueryTerminalSize,
     WriteConfigToDisk { config: String },
     StartWebServer,
+    RenamedSession(String), // String -> new session name
 }
 
 impl From<ServerToClientMsg> for ClientInstruction {
@@ -86,6 +87,7 @@ impl From<ServerToClientMsg> for ClientInstruction {
                 ClientInstruction::WriteConfigToDisk { config }
             },
             ServerToClientMsg::StartWebServer => ClientInstruction::StartWebServer,
+            ServerToClientMsg::RenamedSession(name) => ClientInstruction::RenamedSession(name),
         }
     }
 }
@@ -109,6 +111,7 @@ impl From<&ClientInstruction> for ClientContext {
             ClientInstruction::QueryTerminalSize => ClientContext::QueryTerminalSize,
             ClientInstruction::WriteConfigToDisk { .. } => ClientContext::WriteConfigToDisk,
             ClientInstruction::StartWebServer => ClientContext::StartWebServer,
+            ClientInstruction::RenamedSession(..) => ClientContext::RenamedSession,
         }
     }
 }

zellij-client/src/web_client/server_listener.rs

@@ -142,6 +142,13 @@ pub fn zellij_server_listener(
                                     WebServerToWebClientControlMessage::LogError { lines },
                                 );
                             },
+                            Some((ServerToClientMsg::RenamedSession(new_session_name), _)) => {
+                                client_connection_bus.send_control(
+                                    WebServerToWebClientControlMessage::SwitchedSession {
+                                        new_session_name,
+                                    },
+                                );
+                            },
                             _ => {
                                 // server disconnected, stop trying to listen otherwise we retry
                                 // indefinitely and get 100% CPU

zellij-server/src/screen.rs

@@ -5113,9 +5113,19 @@ pub(crate) fn screen_thread_main(
                         .with_context(err_context)?;
 
                     // set the env variable
-                    set_session_name(name);
-                }
+                    set_session_name(name.clone());
                     screen.unblock_input()?;
+                    let connected_client_ids: Vec<ClientId> =
+                        screen.active_tab_indices.keys().copied().collect();
+                    for client_id in connected_client_ids {
+                        if let Some(os_input) = &mut screen.bus.os_input {
+                            let _ = os_input.send_to_client(
+                                client_id,
+                                ServerToClientMsg::RenamedSession(name.clone()),
+                            );
+                        }
+                    }
+                }
             },
             ScreenInstruction::Reconfigure {
                 client_id,

zellij-utils/src/errors.rs

@@ -478,6 +478,7 @@ pub enum ClientContext {
     QueryTerminalSize,
     WriteConfigToDisk,
     StartWebServer,
+    RenamedSession,
 }
 
 /// Stack call representations corresponding to the different types of [`ServerInstruction`]s.

zellij-utils/src/ipc.rs

@@ -116,6 +116,7 @@ pub enum ServerToClientMsg {
     QueryTerminalSize,
     WriteConfigToDisk { config: String },
     StartWebServer,
+    RenamedSession(String), // String -> new session name
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]