3 files changed, 8 insertions, 1 deletions

diff --git a/libopie/odevice.h b/libopie/odevice.h
index 650a2da..d8ad135 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -1,4 +1,5 @@
 /*  This file is part of the OPIE libraries
     Copyright (C) 2002 Robert Griebl (sandman@handhelds.org)
+    Copyright (C) 2003 Holger 'zecke' Freyther (zecke@handhelds.org)
 
     This library is free software; you can redistribute it and/or
@@ -214,5 +215,5 @@ public:
          * button.  Note that this list only contains "user mappable" buttons.
          */
-        const QValueList<ODeviceButton> &buttons ( );
+       const QValueList<ODeviceButton> &buttons ( ) /* ### make const */;
 
         /**
diff --git a/libopie/odevicebutton.cpp b/libopie/odevicebutton.cpp
index eccb57c..314eb51 100644
--- a/libopie/odevicebutton.cpp
+++ b/libopie/odevicebutton.cpp
@@ -97,4 +97,8 @@ QByteArray OQCopMessage::data ( ) const
 }
 
+bool OQCopMessage::isNull() const
+{
+        return d-> m_message.isNull() || d-> m_channel.isNull();
+}
 void OQCopMessage::setChannel ( const QCString &ch )
 {
diff --git a/libopie/odevicebutton.h b/libopie/odevicebutton.h
index fcc2af1..1621526 100644
--- a/libopie/odevicebutton.h
+++ b/libopie/odevicebutton.h
@@ -45,4 +45,6 @@ public:
         QByteArray data ( ) const;
 
+        bool isNull()const;
+
         bool send ( );