Improve clipboard debug logging in viewer

diff --git a/vncviewer/Viewport.cxx b/vncviewer/Viewport.cxx
index b5466acb9158a78b39b362096a6477b09ba24bd6..d7203ea2d923d4a14a5cb7b56a9b38b125f8842b 100644 (file)
--- a/vncviewer/Viewport.cxx
+++ b/vncviewer/Viewport.cxx
@@ -291,12 +291,8 @@ void Viewport::handleClipboardAnnounce(bool available)
   if (!acceptClipboard)
     return;
 
-  if (available)
-    vlog.debug("Got notification of new clipboard on server");
-  else
-    vlog.debug("Clipboard is no longer available on server");
-
   if (!available) {
+    vlog.debug("Clipboard is no longer available on server");
     pendingServerClipboard = false;
     return;
   }
@@ -304,10 +300,12 @@ void Viewport::handleClipboardAnnounce(bool available)
   pendingClientClipboard = false;
 
   if (!hasFocus()) {
+    vlog.debug("Got notification of new clipboard on server whilst not focused, will request data later");
     pendingServerClipboard = true;
     return;
   }
 
+  vlog.debug("Got notification of new clipboard on server, requesting data");
   cc->requestClipboard();
 }
 
@@ -759,12 +757,14 @@ void Viewport::handleClipboardChange(int source, void *data)
   self->pendingServerClipboard = false;
 
   if (!self->hasFocus()) {
+    vlog.debug("Local clipboard changed whilst not focused, will notify server later");
     self->pendingClientClipboard = true;
     // Clear any older client clipboard from the server
     self->cc->announceClipboard(false);
     return;
   }
 
+  vlog.debug("Local clipboard changed, notifying server");
   try {
     self->cc->announceClipboard(true);
   } catch (rdr::Exception& e) {
@@ -777,6 +777,7 @@ void Viewport::handleClipboardChange(int source, void *data)
 void Viewport::flushPendingClipboard()
 {
   if (pendingServerClipboard) {
+    vlog.debug("Focus regained after remote clipboard change, requesting data");
     try {
       cc->requestClipboard();
     } catch (rdr::Exception& e) {
@@ -785,6 +786,7 @@ void Viewport::flushPendingClipboard()
     }
   }
   if (pendingClientClipboard) {
+    vlog.debug("Focus regained after local clipboard change, notifying server");
     try {
       cc->announceClipboard(true);
     } catch (rdr::Exception& e) {