emulation: Support XTVERSION sequence

1 files changed, 30 insertions, 2 deletions

diff --git a/src/vteseq.cc b/src/vteseq.cc
index 3945fcac..9efde087 100644
--- a/src/vteseq.cc
+++ b/src/vteseq.cc
@@ -69,6 +69,11 @@ enum {
         VTE_SGR_COLOR_SPEC_LEGACY = 5
 };
 
+inline constexpr int firmware_version() noexcept
+{
+        return (VTE_MAJOR_VERSION * 100 + VTE_MINOR_VERSION) * 100 + VTE_MICRO_VERSION;
+}
+
 void
 vte::parser::Sequence::print() const noexcept
 {
@@ -2435,8 +2440,7 @@ Terminal::DA2(vte::parser::Sequence const& seq)
         if (seq.collect1(0, 0) != 0)
                 return;
 
-        int const version = (VTE_MAJOR_VERSION * 100 + VTE_MINOR_VERSION) * 100 + VTE_MICRO_VERSION;
-        reply(seq, VTE_REPLY_DECDA2R, {65, version, 1});
+        reply(seq, VTE_REPLY_DECDA2R, {65, firmware_version(), 1});
 }
 
 void
@@ -9064,6 +9068,30 @@ Terminal::XTERM_STCAP(vte::parser::Sequence const& seq)
 }
 
 void
+Terminal::XTERM_VERSION(vte::parser::Sequence const& seq)
+{
+        /*
+         * XTERM_VERSION - xterm request version report
+         *
+         * Returns the xterm name and version as XTERM_DSR.
+         *
+         * Arguments:
+         *   args[0]: select function
+         *     0: report xterm name and version
+         *
+         * Defaults:
+         *   args[0]: no defaults
+         *
+         * References: XTERM
+         */
+
+        if (seq.collect1(0) != 0)
+                return;
+
+        reply(seq, VTE_REPLY_XTERM_DSR, {}, "VTE(%d)", firmware_version());
+}
+
+void
 Terminal::XTERM_WM(vte::parser::Sequence const& seq)
 {
         /*