From a6072cc607b08a32c06456389fab5572530e8e0e Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Wed, 25 Jul 2018 20:02:20 +0200
Subject: [PATCH] Add debug output for x0vncserver key events

---
 unix/x0vncserver/XDesktop.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/unix/x0vncserver/XDesktop.cxx b/unix/x0vncserver/XDesktop.cxx
index 0273a6df..110b79eb 100644
--- a/unix/x0vncserver/XDesktop.cxx
+++ b/unix/x0vncserver/XDesktop.cxx
@@ -346,14 +346,18 @@ void XDesktop::keyEvent(rdr::U32 keysym, rdr::U32 xtcode, bool down) {
     }
   }
 
-  if (!keycode)
+  if (!keycode) {
+    vlog.error("Could not map key event to X11 key code");
     return;
+  }
 
   if (down)
     pressedKeys[keysym] = keycode;
   else
     pressedKeys.erase(keysym);
 
+  vlog.debug("%d %s", keycode, down ? "down" : "up");
+
   XTestFakeKeyEvent(dpy, keycode, down, CurrentTime);
 #endif
 }
-- 
2.39.5