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terminal: request mode

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This commit is contained in:
Mitchell Hashimoto
2025-10-23 20:17:23 -07:00
parent b6ac4c764f
commit 25eee9379d
2 changed files with 39 additions and 11 deletions
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28
src/termio/stream_handler.zig
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@@ -253,6 +253,8 @@ pub const StreamHandler = struct {
const v = self.terminal.modes.restore(value.mode);
try self.setMode(value.mode, v);
},
.request_mode => try self.requestMode(value.mode),
.request_mode_unknown => try self.requestModeUnknown(value.mode, value.ansi),
.modify_key_format => try self.setModifyKeyFormat(value),
}
}
@@ -456,22 +458,32 @@ pub const StreamHandler = struct {
}
}
pub fn requestMode(self: *StreamHandler, mode_raw: u16, ansi: bool) !void {
// Get the mode value and respond.
const code: u8 = code: {
const mode = terminal.modes.modeFromInt(mode_raw, ansi) orelse break :code 0;
if (self.terminal.modes.get(mode)) break :code 1;
break :code 2;
};
fn requestMode(self: *StreamHandler, mode: terminal.Mode) !void {
const tag: terminal.modes.ModeTag = @bitCast(@intFromEnum(mode));
const code: u8 = if (self.terminal.modes.get(mode)) 1 else 2;
var msg: termio.Message = .{ .write_small = .{} };
const resp = try std.fmt.bufPrint(
&msg.write_small.data,
"\x1B[{s}{};{}$y",
.{
if (tag.ansi) "" else "?",
tag.value,
code,
},
);
msg.write_small.len = @intCast(resp.len);
self.messageWriter(msg);
}
fn requestModeUnknown(self: *StreamHandler, mode_raw: u16, ansi: bool) !void {
var msg: termio.Message = .{ .write_small = .{} };
const resp = try std.fmt.bufPrint(
&msg.write_small.data,
"\x1B[{s}{};0$y",
.{
if (ansi) "" else "?",
mode_raw,
code,
},
);
msg.write_small.len = @intCast(resp.len);