From d27bc1f0fe14fa8d2361c1401fb72af1f63d5de8 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 15 Aug 2023 08:12:46 -0700
Subject: [PATCH] termio: send VT220 device attributes on request, add
 secondary

---
 src/terminal/stream.zig |  2 +-
 src/termio/Exec.zig     | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/terminal/stream.zig b/src/terminal/stream.zig
index 39d6a03db..ea3b2a736 100644
--- a/src/terminal/stream.zig
+++ b/src/terminal/stream.zig
@@ -514,7 +514,7 @@ pub fn Stream(comptime Handler: type) type {
                         switch (action.params.len) {
                             1 => @enumFromInt(action.params[0]),
                             else => {
-                                log.warn("invalid erase characters command: {}", .{action});
+                                log.warn("invalid device status report command: {}", .{action});
                                 return;
                             },
                         },
diff --git a/src/termio/Exec.zig b/src/termio/Exec.zig
index 1aec3f269..64c4dfa96 100644
--- a/src/termio/Exec.zig
+++ b/src/termio/Exec.zig
@@ -1297,9 +1297,17 @@ const StreamHandler = struct {
     ) !void {
         _ = params;
 
+        // For the below, we quack as a VT220. We don't quack as
+        // a 420 because we don't support DCS sequences.
         switch (req) {
-            // VT220
-            .primary => self.messageWriter(.{ .write_stable = "\x1B[?62;c" }),
+            .primary => self.messageWriter(.{
+                .write_stable = "\x1B[?62;22c",
+            }),
+
+            .secondary => self.messageWriter(.{
+                .write_stable = "\x1B[>1;10;0c",
+            }),
+
             else => log.warn("unimplemented device attributes req: {}", .{req}),
         }
     }