fix(plugins): various plugin api and other fixes (#3665)

* fix(plugins): do not allow focusing an unselectable pane

* fix(folders): make sure config and cache folders exist on app start

3 files changed, 20 insertions, 1 deletions

diff --git a/zellij-server/src/panes/floating_panes/mod.rs b/zellij-server/src/panes/floating_panes/mod.rs
index 1d65e749..e896364b 100644
--- a/zellij-server/src/panes/floating_panes/mod.rs
+++ b/zellij-server/src/panes/floating_panes/mod.rs
@@ -712,6 +712,15 @@ impl FloatingPanes {
         self.set_force_render();
     }
     pub fn focus_pane(&mut self, pane_id: PaneId, client_id: ClientId) {
+        let pane_is_selectable = self
+            .panes
+            .get(&pane_id)
+            .map(|p| p.selectable())
+            .unwrap_or(false);
+        if !pane_is_selectable {
+            log::error!("Cannot focus pane {:?} as it is not selectable!", pane_id);
+            return;
+        }
         self.active_panes
             .insert(client_id, pane_id, &mut self.panes);
         self.focus_pane_for_all_clients(pane_id);
diff --git a/zellij-server/src/panes/tiled_panes/mod.rs b/zellij-server/src/panes/tiled_panes/mod.rs
index 931e2594..fba9ea21 100644
--- a/zellij-server/src/panes/tiled_panes/mod.rs
+++ b/zellij-server/src/panes/tiled_panes/mod.rs
@@ -524,6 +524,15 @@ impl TiledPanes {
         }
     }
     pub fn focus_pane(&mut self, pane_id: PaneId, client_id: ClientId) {
+        let pane_is_selectable = self
+            .panes
+            .get(&pane_id)
+            .map(|p| p.selectable())
+            .unwrap_or(false);
+        if !pane_is_selectable {
+            log::error!("Cannot focus pane {:?} as it is not selectable!", pane_id);
+            return;
+        }
         if self.panes_to_hide.contains(&pane_id) {
             // this means there is a fullscreen pane that is not the current pane, let's unset it
             // before changing focus
diff --git a/zellij-server/src/tab/mod.rs b/zellij-server/src/tab/mod.rs
index df69e985..4c5c2075 100644
--- a/zellij-server/src/tab/mod.rs
+++ b/zellij-server/src/tab/mod.rs
@@ -4105,7 +4105,8 @@ impl Tab {
                 focused_floating_pane
             })
             .or_else(|_| match self.suppressed_panes.remove(&pane_id) {
-                Some(pane) => {
+                Some(mut pane) => {
+                    pane.1.set_selectable(true);
                     if should_float {
                         self.show_floating_panes();
                         self.add_floating_pane(pane.1, pane_id, None, Some(client_id))