feat(sessions): add a session manager to switch between sessions, tabs and panes and create new ones (#2721)

* write/read session metadata to disk for all sessions

* switch session client side

* fix tests

* various adjustments

* fix full screen focus bug in tiled panes

* fix tests

* fix permission sorting issue

* cleanups

* add session manager

* fix tests

* various cleanups

* style(fmt): rustfmt

* clear screen before switching sessions

* I hate you clippy

* truncate controls line to width

* version session cache

* attempt to fix plugin tests

* style(fmt): rustfmt

* another attempt to fix the tests in the ci

1 files changed, 8 insertions, 16 deletions

diff --git a/zellij-utils/src/ipc.rs b/zellij-utils/src/ipc.rs
index 149a157a..0f341520 100644
--- a/zellij-utils/src/ipc.rs
+++ b/zellij-utils/src/ipc.rs
@@ -1,7 +1,7 @@
 //! IPC stuff for starting to split things into a client and server model.
 use crate::{
     cli::CliArgs,
-    data::{ClientId, InputMode, Style},
+    data::{ClientId, ConnectToSession, InputMode, Style},
     errors::{get_current_ctx, prelude::*, ErrorContext},
     input::keybinds::Keybinds,
     input::{actions::Action, layout::Layout, options::Options, plugins::PluginsConfig},
@@ -65,16 +65,6 @@ impl PixelDimensions {
 #[allow(clippy::large_enum_variant)]
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub enum ClientToServerMsg {
-    /*// List which sessions are available
-    ListSessions,
-    // Create a new session
-    CreateSession,
-    // Attach to a running session
-    AttachToSession(SessionId, ClientType),
-    // Force detach
-    DetachSession(SessionId),
-    // Disconnect from the session we're connected to
-    DisconnectFromSession,*/
     DetachSession(Vec<ClientId>),
     TerminalPixelDimensions(PixelDimensions),
     BackgroundColor(String),
@@ -88,7 +78,12 @@ pub enum ClientToServerMsg {
         Box<Layout>,
         Option<PluginsConfig>,
     ),
-    AttachClient(ClientAttributes, Options),
+    AttachClient(
+        ClientAttributes,
+        Options,
+        Option<usize>,       // tab position to focus
+        Option<(u32, bool)>, // (pane_id, is_plugin) => pane id to focus
+    ),
     Action(Action, Option<ClientId>),
     ClientExited,
     KillSession,
@@ -99,10 +94,6 @@ pub enum ClientToServerMsg {
 // Types of messages sent from the server to the client
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub enum ServerToClientMsg {
-    /*// Info about a particular session
-    SessionInfo(Session),
-    // A list of sessions
-    SessionList(HashSet<Session>),*/
     Render(String),
     UnblockInputThread,
     Exit(ExitReason),
@@ -110,6 +101,7 @@ pub enum ServerToClientMsg {
     Connected,
     ActiveClients(Vec<ClientId>),
     Log(Vec<String>),
+    SwitchSession(ConnectToSession),
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]