From a624a56e289e4a02a411f83741f0f2c9fc0f0b2e Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Mon, 14 Sep 2026 21:26:47 -0300
Subject: Add Linux Tty9p mounted terminals and forward raw TTY keys

---
 src/panes.zig | 42 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

(limited to 'src/panes.zig')

diff --git a/src/panes.zig b/src/panes.zig
index 6a5a2739..d72e1611 100644
--- a/src/panes.zig
+++ b/src/panes.zig
@@ -89,6 +89,8 @@ pub const Pane = struct {
     rows: u16,
     greet: bool = false,
     pending_command: Terminal.PendingCommand = .{},
+    /// Native host queues the Linux v9fs launcher in this pane's initial shell.
+    v9fs_on_spawn: bool = false,
     file: ?File.State = null,
     image: ?Image.State = null,
     pdf: PdfSlot = if (Pdf.enabled) null else {},
@@ -6290,8 +6292,46 @@ pub const Terminal = struct {
     }
 
     /// Encode one key for the program that owns a raw terminal and queue its pty
-    /// write. Global chords and mode routing have already been handled by core.
+    /// write, respecting the application's keyboard protocol and terminal modes.
     pub fn forwardKey(p: *Pardes, id: usize, key: Key) void {
+        if (comptime enabled) {
+            const pane = p.panes[id] orelse return;
+            const state = pane.terminal orelse return;
+            const input = ghostty_vt.input;
+            const physical: input.Key = switch (key.cp) {
+                Key.enter => .enter,
+                Key.backspace => .backspace,
+                Key.tab => .tab,
+                Key.escape => .escape,
+                Key.up => .arrow_up,
+                Key.down => .arrow_down,
+                Key.left => .arrow_left,
+                Key.right => .arrow_right,
+                Key.home => .home,
+                Key.end => .end,
+                Key.page_up => .page_up,
+                Key.page_down => .page_down,
+                Key.delete => .delete,
+                else => if (key.cp < 128) input.Key.fromASCII(@intCast(key.cp)) orelse .unidentified else .unidentified,
+            };
+            var utf8: [4]u8 = undefined;
+            const text_cp = if (key.shift and key.cp >= 'a' and key.cp <= 'z') key.cp - 'a' + 'A' else key.cp;
+            const text = if (key.text.len > 0) key.text else if (key.cp >= 32 and key.cp < Key.up and key.cp != Key.backspace)
+                utf8[0 .. std.unicode.utf8Encode(text_cp, &utf8) catch return]
+            else
+                "";
+            var buffer: [256]u8 = undefined;
+            var writer = std.Io.Writer.fixed(&buffer);
+            input.encodeKey(&writer, .{
+                .key = physical,
+                .mods = .{ .ctrl = key.ctrl, .alt = key.alt, .shift = key.shift },
+                .consumed_mods = .{ .shift = key.text.len > 0 and key.shift },
+                .utf8 = text,
+                .unshifted_codepoint = if (key.cp >= 'A' and key.cp <= 'Z') key.cp - 'A' + 'a' else if (key.cp < Key.up) key.cp else 0,
+            }, input.KeyEncodeOptions.fromTerminal(&state.vt)) catch return;
+            if (writer.end > 0) p.emit(.{ .write = .{ .pane = @intCast(id), .bytes = .from(writer.buffered()) } });
+            return;
+        }
         var control: [1]u8 = undefined;
         const bytes: ?[]const u8 = blk: {
             if (key.ctrl) {
-- 
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