From 59bc980250e7b448a8e8693484a9fb5d625fc198 Mon Sep 17 00:00:00 2001
From: Alex Straight <AlexStraight619@gmail.com>
Date: Sun, 8 Jun 2025 23:22:04 -0700
Subject: feat: implement mode 1048 for saving/restoring cursor position

---
 src/termio/stream_handler.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/termio')

diff --git a/src/termio/stream_handler.zig b/src/termio/stream_handler.zig
index b3aa82d20..2069a8ff2 100644
--- a/src/termio/stream_handler.zig
+++ b/src/termio/stream_handler.zig
@@ -597,6 +597,18 @@ pub const StreamHandler = struct {
                 try self.queueRender();
             },
 
+            // Mode 1048 is xterm's conditional save cursor depending
+            // on if alt screen is enabled or not (at the terminal emulator
+            // level). Alt screen is always enabled for us so this just
+            // does a save/restore cursor.
+            .save_cursor => {
+                if (enabled) {
+                    self.terminal.saveCursor();
+                } else {
+                    try self.terminal.restoreCursor();
+                }
+            },
+
             // Force resize back to the window size
             .enable_mode_3 => {
                 const grid_size = self.size.grid();
-- 
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