Merge pull request #502 from rockorager/xtversion

terminal: respond to XTVERSION query

src/terminal/stream.zig

@@ -607,18 +607,11 @@ pub fn Stream(comptime Handler: type) type {
                     ),
                 },
 
+                'q' => switch (action.intermediates.len) {
+                    1 => switch (action.intermediates[0]) {
                         // DECSCUSR - Select Cursor Style
                         // TODO: test
-                'q' => switch (action.intermediates.len) {
+                        ' ' => {
-                    1 => cursor: {
-                        if (action.intermediates[0] != ' ') {
-                            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,
@@ -630,6 +623,17 @@ pub fn Stream(comptime Handler: type) type {
                                 },
                             ) 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},
+                            );
+                        },
+                    },
 
                     else => log.warn(
                         "ignoring unimplemented CSI p with intermediates: {s}",

src/termio/Exec.zig

@@ -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