add is null

and comment about constness

1 files changed, 2 insertions, 0 deletions

diff --git a/libopie/odevicebutton.h b/libopie/odevicebutton.h
index fcc2af1..1621526 100644
--- a/libopie/odevicebutton.h
+++ b/libopie/odevicebutton.h
@@ -1,105 +1,107 @@
 /**********************************************************************
 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
 **
 ** This file is part of the Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************/
 #ifndef DEVICE_BUTTON_H
 #define DEVICE_BUTTON_H
 
 #include <qpixmap.h>
 #include <qstring.h>
 
 class OQCopMessageData;
 
 namespace Opie
 {
 
 class OQCopMessage {
 public:
 	OQCopMessage ( );
 	OQCopMessage ( const OQCopMessage &copy );
 	OQCopMessage ( const QCString &m_channel, const QCString &message, const QByteArray &args = QByteArray ( ));
 
 	OQCopMessage &operator = ( const OQCopMessage &assign );
 
 	void setChannel ( const QCString &channel );
 	void setMessage ( const QCString &message );
 	void setData ( const QByteArray &ba );
 
 	QCString channel ( ) const;
 	QCString message ( ) const;
 	QByteArray data ( ) const;
 
+        bool isNull()const;
+
 	bool send ( );
 
 private:
 	void init ( const QCString &m_channel, const QCString &message, const QByteArray &args );
 
 	OQCopMessageData *d;
 	class Private;
 	Private* m_data;
 };
 
 
 /**
  * This class represents a physical button on a Qtopia device.  A device may
  * have n "user programmable" buttons, which are number 1..n.  The location
  * and number of buttons will vary from device to device.  userText() and pixmap()
  * may be used to describe this button to the user in help documentation.
  *
  * @version 1.0
  * @author Trolltech
  * @short A representation of buttons
  */
 
 class ODeviceButton
 {
 public:
 	ODeviceButton();
 	virtual ~ODeviceButton();
 
 	ushort keycode ( ) const;
 	QString userText ( ) const;
 	QPixmap pixmap ( ) const;
 	OQCopMessage factoryPresetPressedAction ( ) const;
 	OQCopMessage pressedAction ( ) const;
 	OQCopMessage factoryPresetHeldAction ( ) const;
 	OQCopMessage heldAction ( ) const;
 
 	void setKeycode ( ushort keycode );
 	void setUserText ( const QString& text );
 	void setPixmap ( const QPixmap& picture );
 	void setFactoryPresetPressedAction ( const OQCopMessage& qcopMessage );
 	void setPressedAction ( const OQCopMessage& qcopMessage );
 	void setFactoryPresetHeldAction ( const OQCopMessage& qcopMessage );
 	void setHeldAction ( const OQCopMessage& qcopMessage );
 
 private:
 	ushort m_Keycode;
 	QString m_UserText;
 	QPixmap m_Pixmap;
 	OQCopMessage m_FactoryPresetPressedAction;
 	OQCopMessage m_PressedAction;
 	OQCopMessage m_FactoryPresetHeldAction;
 	OQCopMessage m_HeldAction;
 	class Private;
 	Private *d;
 };
 
 }
 
 #endif