fix(panes): show visual error when unable to split panes vertically/horizontally (#2025)

* fix(panes): show visual error when failing to split pane vertically/horizontally

* fix: lockfile

2 files changed, 6 insertions, 1 deletions

diff --git a/zellij-server/src/ui/pane_boundaries_frame.rs b/zellij-server/src/ui/pane_boundaries_frame.rs
index 6209466c4..537a80c47 100644
--- a/zellij-server/src/ui/pane_boundaries_frame.rs
+++ b/zellij-server/src/ui/pane_boundaries_frame.rs
@@ -122,6 +122,9 @@ impl PaneFrame {
     pub fn indicate_first_run(&mut self) {
         self.is_first_run = true;
     }
+    pub fn override_color(&mut self, color: PaletteColor) {
+        self.color = Some(color);
+    }
     fn client_cursor(&self, client_id: ClientId) -> Vec<TerminalCharacter> {
         let color = client_id_to_colors(client_id, self.style.colors);
         background_color(" ", color.map(|c| c.0))
diff --git a/zellij-server/src/ui/pane_contents_and_ui.rs b/zellij-server/src/ui/pane_contents_and_ui.rs
index 1cc715d83..7f718d0b0 100644
--- a/zellij-server/src/ui/pane_contents_and_ui.rs
+++ b/zellij-server/src/ui/pane_contents_and_ui.rs
@@ -238,7 +238,9 @@ impl<'a> PaneContentsAndUi<'a> {
         session_is_mirrored: bool,
     ) -> Option<PaletteColor> {
         let pane_focused_for_client_id = self.focused_clients.contains(&client_id);
-        if pane_focused_for_client_id {
+        if let Some(override_color) = self.pane.frame_color_override() {
+            Some(override_color)
+        } else if pane_focused_for_client_id {
             match mode {
                 InputMode::Normal | InputMode::Locked => {
                     if session_is_mirrored || !self.multiple_users_exist_in_session {