diff options
Diffstat (limited to 'src/tty')
| -rw-r--r-- | src/tty/tty.zig | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/src/tty/tty.zig b/src/tty/tty.zig index a1917ba9..23b7c09b 100644 --- a/src/tty/tty.zig +++ b/src/tty/tty.zig @@ -71,21 +71,6 @@ fn inputReader(loop: *Loop, tty: anytype, cache: *vaxis.GraphemeCache) void { loop.postEvent(.quit) catch {}; } -/// How long a lone ESC waits for the rest of a sequence before it counts as -/// the Escape key. Long enough for the remainder of a real sequence to arrive -/// even over a slow link, short enough that nobody sees the delay. -const escape_hold_ms = 25; - -/// Is there more input right behind what we have already read? Only a real -/// terminal has an fd to ask; the test readers hand their parts over whole, so -/// for them the answer is always no. -fn morePending(tty: anytype) bool { - const Reader = @typeInfo(@TypeOf(tty)).pointer.child; - if (!@hasField(Reader, "fd") or @FieldType(Reader, "fd") != std.Io.File) return false; - var fds = [_]std.posix.pollfd{.{ .fd = tty.fd.handle, .events = std.posix.POLL.IN, .revents = 0 }}; - return (std.posix.poll(&fds, escape_hold_ms) catch return false) > 0; -} - fn readInput(loop: *Loop, tty: anytype, cache: *vaxis.GraphemeCache) !void { try loop.postEvent(.{ .winsize = try tty.getWinsize() }); var parser: vaxis.Parser = .{}; @@ -116,22 +101,6 @@ fn readInput(loop: *Loop, tty: anytype, cache: *vaxis.GraphemeCache) !void { } carried = end - consumed; std.mem.copyForwards(u8, buf[0..carried], buf[consumed..end]); - // A lone ESC opens most sequences and is also the Escape key, so the - // parser holds it for a remainder that a keypress never sends: the - // press would only land when the NEXT key arrived. Wait a beat, and - // when nothing follows it was the key. A terminal speaking the kitty - // protocol never reaches here — it spells Escape out in full. - if (carried == 1 and buf[0] == 0x1b and !morePending(tty)) { - carried = 0; - try vaxis.loop.handleEventGeneric( - loop, - loop.vaxis, - cache, - @TypeOf(Command.value), - @as(vaxis.Event, .{ .key_press = .{ .codepoint = vaxis.Key.escape } }), - loop.vaxis.opts.system_clipboard_allocator, - ); - } } } |
