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terminal: respond to XTVERSION query

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XTVERSION (CSI > 0 q) is used by some libraries to identify the terminal
+ version. Respond to this query with `ghostty {version_string}`. There
is no formal format for this response. A roundup of a few tested
terminals show two primary formats. This patch opts to save one byte and
use the `name SP version` semantics.

foot: foot(version)
xterm: XTerm(version)
contour: contour version
wezterm: wezterm version

Reference: https://github.com/dankamongmen/notcurses/blob/master/TERMINALS.md#notes-for-terminal-authors
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
This commit is contained in:
Tim Culverhouse
2023-09-20 18:57:06 -05:00
parent 0dd7d37d22
commit fbe030d85a
2 changed files with 38 additions and 17 deletions
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38
src/terminal/stream.zig
View File

@ -607,28 +607,32 @@ pub fn Stream(comptime Handler: type) type {
),
},
// DECSCUSR - Select Cursor Style
// TODO: test
'q' => switch (action.intermediates.len) {
1 => cursor: {
if (action.intermediates[0] != ' ') {
1 => switch (action.intermediates[0]) {
// DECSCUSR - Select Cursor Style
// TODO: test
' ' => {
if (@hasDecl(T, "setCursorStyle")) try self.handler.setCursorStyle(
switch (action.params.len) {
0 => ansi.CursorStyle.default,
1 => @enumFromInt(action.params[0]),
else => {
log.warn("invalid set curor style command: {}", .{action});
return;
},
},
) else log.warn("unimplemented CSI callback: {}", .{action});
},
// XTVERSION
'>' => {
if (@hasDecl(T, "reportXtversion")) try self.handler.reportXtversion();
},
else => {
log.warn(
"ignoring unimplemented CSI q with intermediates: {s}",
.{action.intermediates},
);
break :cursor;
}
if (@hasDecl(T, "setCursorStyle")) try self.handler.setCursorStyle(
switch (action.params.len) {
0 => ansi.CursorStyle.default,
1 => @enumFromInt(action.params[0]),
else => {
log.warn("invalid set curor style command: {}", .{action});
return;
},
},
) else log.warn("unimplemented CSI callback: {}", .{action});
},
},
else => log.warn(

17
src/termio/Exec.zig
View File

@ -1688,6 +1688,23 @@ const StreamHandler = struct {
self.terminal.screen.kitty_keyboard.set(mode, flags);
}
pub fn reportXtversion(
self: *StreamHandler,
) !void {
log.debug("reporting XTVERSION: ghostty {s}", .{build_config.version_string});
var msg: termio.Message = .{ .write_small = .{} };
const resp = try std.fmt.bufPrint(
&msg.write_small.data,
"\x1BP>|{s} {s}\x07",
.{
"ghostty",
build_config.version_string,
},
);
msg.write_small.len = @intCast(resp.len);
self.messageWriter(msg);
}
//-------------------------------------------------------------------------
// OSC