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terminal: scope kitty keyboard protocol to readline

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This commit is contained in:
Adrià Arrufat
2026-06-02 15:50:29 +02:00
parent 31479c422c
commit dbe4176409
1 changed files with 6 additions and 8 deletions
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14
src/agent/Terminal.zig
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@@ -146,10 +146,6 @@ pub fn init(allocator: std.mem.Allocator, history_path: ?[:0]const u8, verbosity
if (history_path) |path| {
c.ic_set_history(path.ptr, -1); // -1 → 200-entry default cap
}
// Push kitty-keyboard-protocol "disambiguate" so Ctrl+Enter arrives as a
// distinct CSI-u sequence instead of a bare \r; unsupported terminals
// ignore it. Popped in deinit.
_ = std.posix.write(std.posix.STDOUT_FILENO, "\x1b[>1u") catch {};
}
const stderr_is_tty = std.posix.isatty(std.posix.STDERR_FILENO);
return .{
@@ -166,10 +162,6 @@ fn isRepl(self: *const Terminal) bool {
}
pub fn deinit(self: *Terminal) void {
// Pop the kitty-keyboard-protocol flag pushed in `init` (REPL only).
if (self.repl_arena != null) {
_ = std.posix.write(std.posix.STDOUT_FILENO, "\x1b[<u") catch {};
}
self.spinner.deinit();
if (self.repl_arena) |*a| a.deinit();
}
@@ -715,6 +707,12 @@ fn highlightSlashArgs(henv: ?*c.ic_highlight_env_t, text: []const u8, start: usi
}
pub fn readLine(prompt: [*:0]const u8) ?[]const u8 {
// Kitty-keyboard "disambiguate" (Ctrl+Enter as a distinct CSI-u, not bare
// \r) only while isocline reads: while active, Ctrl-C arrives as a CSI-u
// escape, not a raw \x03, so the tty driver raises no SIGINT — leaving it on
// during thinking/tool runs would make Ctrl-C unable to interrupt them.
_ = std.posix.write(std.posix.STDOUT_FILENO, "\x1b[>1u") catch {};
defer _ = std.posix.write(std.posix.STDOUT_FILENO, "\x1b[<u") catch {};
// Isocline auto-appends the line to its (optionally-persisted) history.
const line = c.ic_readline(prompt) orelse return null;
return std.mem.sliceTo(line, 0);