From 277791f0cab765e467ed9fec932af43ff273cdcb Mon Sep 17 00:00:00 2001
From: Brooks J Rady <b.j.rady@gmail.com>
Date: Fri, 8 Jan 2021 13:58:18 +0000
Subject: [PATCH] Don't forget to tell split terminals that they have a new
 size!

---
 src/tab.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/tab.rs b/src/tab.rs
index faf136a6..7a56508c 100644
--- a/src/tab.rs
+++ b/src/tab.rs
@@ -377,6 +377,14 @@ impl Tab {
                 );
                 self.panes.insert(pid, Box::new(new_terminal));
 
+                if let PaneId::Terminal(active_terminal_pid) = active_pane_id {
+                    self.os_api.set_terminal_size_using_fd(
+                        *active_terminal_pid,
+                        top_winsize.columns as u16,
+                        top_winsize.rows as u16,
+                    );
+                }
+
                 self.active_terminal = Some(pid);
                 self.render();
             }
@@ -421,9 +429,16 @@ impl Tab {
                     right_winsize.columns as u16,
                     right_winsize.rows as u16,
                 );
-
                 self.panes.insert(pid, Box::new(new_terminal));
 
+                if let PaneId::Terminal(active_terminal_pid) = active_pane_id {
+                    self.os_api.set_terminal_size_using_fd(
+                        *active_terminal_pid,
+                        left_winsize.columns as u16,
+                        left_winsize.rows as u16,
+                    );
+                }
+
                 self.active_terminal = Some(pid);
                 self.render();
             }