From 853c0427e6f8c9e75de6266276d8bdf48ed93825 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 12 Oct 2023 19:38:06 -0700
Subject: [PATCH] website: document srm mode

---
 src/terminal/modes.zig            |  4 +++-
 website/app/vt/modes/srm/page.mdx | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 website/app/vt/modes/srm/page.mdx

diff --git a/src/terminal/modes.zig b/src/terminal/modes.zig
index 8c49941ba..0e70dd53c 100644
--- a/src/terminal/modes.zig
+++ b/src/terminal/modes.zig
@@ -147,6 +147,7 @@ pub fn modeFromInt(v: u16, ansi: bool) ?Mode {
 }
 
 fn entryForMode(comptime mode: Mode) ModeEntry {
+    @setEvalBranchQuota(10_000);
     const name = @tagName(mode);
     for (entries) |entry| {
         if (std.mem.eql(u8, entry.name, name)) return entry;
@@ -172,6 +173,7 @@ const entries: []const ModeEntry = &.{
     // ANSI
     .{ .name = "disable_keyboard", .value = 2, .ansi = true }, // KAM
     .{ .name = "insert", .value = 4, .ansi = true },
+    .{ .name = "send_receive_mode", .value = 12, .ansi = true, .default = true }, // SRM
 
     // DEC
     .{ .name = "cursor_keys", .value = 1 }, // DECCKM
@@ -213,7 +215,7 @@ test modeFromInt {
     try testing.expect(modeFromInt(4, true).? == .insert);
     try testing.expect(modeFromInt(9, true) == null);
     try testing.expect(modeFromInt(9, false).? == .mouse_event_x10);
-    try testing.expect(modeFromInt(12, true) == null);
+    try testing.expect(modeFromInt(14, true) == null);
 }
 
 test ModeState {
diff --git a/website/app/vt/modes/srm/page.mdx b/website/app/vt/modes/srm/page.mdx
new file mode 100644
index 000000000..8b2e56649
--- /dev/null
+++ b/website/app/vt/modes/srm/page.mdx
@@ -0,0 +1,17 @@
+import VTMode from "@/components/VTMode";
+
+# Send-Receive Mode (SRM)
+
+<VTMode value={12} ansi={true} />
+
+If reset, characters entered by the keyboard are shown on the screen
+as well as being sent to the running program. If set, keyboard input
+is sent only to the running program and the running program can choose
+whether it wants to echo it back.
+
+This mode is typically enabled on terminal startup.
+
+This mode is generally unsupported across most terminals today and
+is recommended to be retired.[^1]
+
+[^1]: https://gitlab.gnome.org/GNOME/vte/-/issues/69