add is null

and comment about constness

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
@@ -1,5 +1,6 @@
 /*  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
     modify it under the terms of the GNU Library General Public
@@ -213,7 +214,7 @@ public:
          * by the device manufacturer and will be from most preferred button to least preffered
          * button.  Note that this list only contains "user mappable" buttons.
          */
-        const QValueList<ODeviceButton> &buttons ( );
+       const QValueList<ODeviceButton> &buttons ( ) /* ### make const */;
 
         /**
          * Returns the DeviceButton for the \a keyCode.  If \a keyCode is not found, it
diff --git a/libopie/odevicebutton.cpp b/libopie/odevicebutton.cpp
index eccb57c..314eb51 100644
--- a/libopie/odevicebutton.cpp
+++ b/libopie/odevicebutton.cpp
@@ -96,6 +96,10 @@ QByteArray OQCopMessage::data ( ) const
         return d-> m_data;
 }
 
+bool OQCopMessage::isNull() const
+{
+        return d-> m_message.isNull() || d-> m_channel.isNull();
+}
 void OQCopMessage::setChannel ( const QCString &ch )
 {
         d-> m_channel = ch;
diff --git a/libopie/odevicebutton.h b/libopie/odevicebutton.h
index fcc2af1..1621526 100644
--- a/libopie/odevicebutton.h
+++ b/libopie/odevicebutton.h
@@ -44,6 +44,8 @@ public:
         QCString message ( ) const;
         QByteArray data ( ) const;
 
+        bool isNull()const;
+
         bool send ( );
 
 private: