feat(plugins): add API to list clients, their focused panes and running commands/plugins (#3687)

* fix(list-clients): properly show client info after a tab was closed

* feat(plugins): add API to list clients, their focused panes and running commands/plugins

* style(fmt): rustfmt

1 files changed, 8 insertions, 0 deletions

diff --git a/zellij-utils/src/plugin_api/plugin_command.rs b/zellij-utils/src/plugin_api/plugin_command.rs
index 79b08794..06687971 100644
--- a/zellij-utils/src/plugin_api/plugin_command.rs
+++ b/zellij-utils/src/plugin_api/plugin_command.rs
@@ -1299,6 +1299,10 @@ impl TryFrom<ProtobufPluginCommand> for PluginCommand {
                 },
                 _ => Err("Mismatched payload for RebindKeys"),
             },
+            Some(CommandName::ListClients) => match protobuf_plugin_command.payload {
+                Some(_) => Err("ListClients should have no payload, found a payload"),
+                None => Ok(PluginCommand::ListClients),
+            },
             None => Err("Unrecognized plugin command"),
         }
     }
@@ -2122,6 +2126,10 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                     write_config_to_disk,
                 })),
             }),
+            PluginCommand::ListClients => Ok(ProtobufPluginCommand {
+                name: CommandName::ListClients as i32,
+                payload: None,
+            }),
         }
     }
 }