feat(ux): stack panes command (#3905)

* working across tabs and floating panes through the cli

* finalize cli command

* plugin api

* style(fmt): rustfmt

* fix: re-focus pane in stack if it was focused

* style(fmt): rustfmt

* remove outdated comment

3 files changed, 32 insertions, 3 deletions

diff --git a/zellij-utils/src/plugin_api/action.rs b/zellij-utils/src/plugin_api/action.rs
index 96385433..e3c05130 100644
--- a/zellij-utils/src/plugin_api/action.rs
+++ b/zellij-utils/src/plugin_api/action.rs
@@ -1301,6 +1301,7 @@ impl TryFrom<Action> for ProtobufAction {
             | Action::DumpLayout
             | Action::CliPipe { .. }
             | Action::ListClients
+            | Action::StackPanes(..)
             | Action::SkipConfirm(..) => Err("Unsupported action"),
         }
     }
diff --git a/zellij-utils/src/plugin_api/plugin_command.proto b/zellij-utils/src/plugin_api/plugin_command.proto
index 14e8a286..7572476d 100644
--- a/zellij-utils/src/plugin_api/plugin_command.proto
+++ b/zellij-utils/src/plugin_api/plugin_command.proto
@@ -129,6 +129,7 @@ enum CommandName {
   ListClients = 113;
   ChangeHostFolder = 114;
   SetFloatingPanePinned = 115;
+  StackPanes = 116;
 }
 
 message PluginCommand {
@@ -214,9 +215,14 @@ message PluginCommand {
     RebindKeysPayload rebind_keys_payload = 88;
     ChangeHostFolderPayload change_host_folder_payload = 89;
     SetFloatingPanePinnedPayload set_floating_pane_pinned_payload = 90;
+    StackPanesPayload stack_panes_payload = 91;
   }
 }
 
+message StackPanesPayload {
+  repeated PaneId pane_ids = 1;
+}
+
 message SetFloatingPanePinnedPayload {
   PaneId pane_id = 1;
   bool should_be_pinned = 2;
diff --git a/zellij-utils/src/plugin_api/plugin_command.rs b/zellij-utils/src/plugin_api/plugin_command.rs
index 9d92f260..2621502a 100644
--- a/zellij-utils/src/plugin_api/plugin_command.rs
+++ b/zellij-utils/src/plugin_api/plugin_command.rs
@@ -19,9 +19,10 @@ pub use super::generated_api::api::{
         RerunCommandPanePayload, ResizePaneIdWithDirectionPayload, ResizePayload,
         RunCommandPayload, ScrollDownInPaneIdPayload, ScrollToBottomInPaneIdPayload,
         ScrollToTopInPaneIdPayload, ScrollUpInPaneIdPayload, SetFloatingPanePinnedPayload,
-        SetTimeoutPayload, ShowPaneWithIdPayload, SubscribePayload, SwitchSessionPayload,
-        SwitchTabToPayload, TogglePaneEmbedOrEjectForPaneIdPayload, TogglePaneIdFullscreenPayload,
-        UnsubscribePayload, WebRequestPayload, WriteCharsToPaneIdPayload, WriteToPaneIdPayload,
+        SetTimeoutPayload, ShowPaneWithIdPayload, StackPanesPayload, SubscribePayload,
+        SwitchSessionPayload, SwitchTabToPayload, TogglePaneEmbedOrEjectForPaneIdPayload,
+        TogglePaneIdFullscreenPayload, UnsubscribePayload, WebRequestPayload,
+        WriteCharsToPaneIdPayload, WriteToPaneIdPayload,
     },
     plugin_permission::PermissionType as ProtobufPermissionType,
     resize::ResizeAction as ProtobufResizeAction,
@@ -1328,6 +1329,18 @@ impl TryFrom<ProtobufPluginCommand> for PluginCommand {
                 },
                 _ => Err("Mismatched payload for SetFloatingPanePinned"),
             },
+            Some(CommandName::StackPanes) => match protobuf_plugin_command.payload {
+                Some(Payload::StackPanesPayload(stack_panes_payload)) => {
+                    Ok(PluginCommand::StackPanes(
+                        stack_panes_payload
+                            .pane_ids
+                            .into_iter()
+                            .filter_map(|p_id| p_id.try_into().ok())
+                            .collect(),
+                    ))
+                },
+                _ => Err("Mismatched payload for SetFloatingPanePinned"),
+            },
             None => Err("Unrecognized plugin command"),
         }
     }
@@ -2172,6 +2185,15 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                     )),
                 })
             },
+            PluginCommand::StackPanes(pane_ids) => Ok(ProtobufPluginCommand {
+                name: CommandName::StackPanes as i32,
+                payload: Some(Payload::StackPanesPayload(StackPanesPayload {
+                    pane_ids: pane_ids
+                        .into_iter()
+                        .filter_map(|p_id| p_id.try_into().ok())
+                        .collect(),
+                })),
+            }),
         }
     }
 }