From e4655a4ab42fdf48e80569376dd1bf6a01876050 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Mon, 19 Aug 2024 21:48:53 +0200
Subject: [PATCH] feat: add setTerminalWorkingDirectory (OSC7)

---
 src/Vaxis.zig   | 8 ++++++++
 src/ctlseqs.zig | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/Vaxis.zig b/src/Vaxis.zig
index c1dfe0d..eeb6c37 100644
--- a/src/Vaxis.zig
+++ b/src/Vaxis.zig
@@ -1223,3 +1223,11 @@ pub fn prettyPrint(self: *Vaxis, tty: AnyWriter) !void {
     }
     try tty.writeAll("\r\n");
 }
+
+/// Set the terminal's current working directory
+pub fn setTerminalWorkingDirectory(_: *Vaxis, tty: AnyWriter, path: []const u8) !void {
+    if (path.len == 0 or path[0] != '/')
+        return error.InvalidAbsolutePath;
+    const hostname = std.posix.getenv("HOSTNAME") orelse "localhost";
+    try tty.print(ctlseqs.osc7, .{ hostname, path });
+}
diff --git a/src/ctlseqs.zig b/src/ctlseqs.zig
index e02163e..ded4883 100644
--- a/src/ctlseqs.zig
+++ b/src/ctlseqs.zig
@@ -113,6 +113,7 @@ pub const strikethrough_reset = "\x1b[29m";
 
 // OSC sequences
 pub const osc2_set_title = "\x1b]2;{s}\x1b\\";
+pub const osc7 = "\x1b]7;file://{s}{s}\x1b\\";
 pub const osc8 = "\x1b]8;{s};{s}\x1b\\";
 pub const osc8_clear = "\x1b]8;;\x1b\\";
 pub const osc9_notify = "\x1b]9;{s}\x1b\\";