Show the escape key properly when server unavailable.

Fixes #624.

Signed-off-by: John Hood <cgull@glup.org>

src/frontend/stmclient.cc

@@ -186,6 +186,7 @@ void STMClient::init( void )
     tmp = string( escape_key_name_buf );
     wstring escape_key_name = std::wstring(tmp.begin(), tmp.end());
     escape_key_help = L"Commands: Ctrl-Z suspends, \".\" quits, " + escape_pass_name + L" gives literal " + escape_key_name;
+    overlays.get_notification_engine().set_escape_key_string( tmp );
   }
   wchar_t tmp[ 128 ];
   swprintf( tmp, 128, L"Nothing received from server on UDP port %s.", port.c_str() );

src/frontend/terminaloverlay.cc

@@ -233,10 +233,9 @@ void NotificationEngine::apply( Framebuffer &fb ) const
     explanation = reply_message;
   }
 
-  const static char quit_keystroke[] = " [To quit: Ctrl-^ .]";
   const static char blank[] = "";
 
-  const char *keystroke_str = show_quit_keystroke ? quit_keystroke : blank;
+  const char *keystroke_str = show_quit_keystroke ? escape_key_string.c_str() : blank;
 
   if ( message.empty() && (!time_expired) ) {
     return;

src/frontend/terminaloverlay.h

@@ -145,6 +145,7 @@ namespace Overlay {
   private:
     uint64_t last_word_from_server;
     uint64_t last_acked_state;
+    string escape_key_string;
     wstring message;
     bool message_is_network_exception;
     uint64_t message_expiration;
@@ -174,6 +175,13 @@ namespace Overlay {
       show_quit_keystroke = s_show_quit_keystroke;
     }
 
+    void set_escape_key_string( const string &s_name )
+    {
+      char tmp[ 128 ];
+      snprintf( tmp, sizeof tmp, " [To quit: %s .]", s_name.c_str() );
+      escape_key_string = tmp;
+    }
+
     void set_network_exception( const std::exception &e )
     {
       wchar_t tmp[ 128 ];