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- ///////////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////////
- // This example code is from the book:
- //
- // Object-Oriented Programming with C++ and OSF/Motif
- // by
- // Douglas Young
- // Prentice Hall, 1992
- // ISBN 0-13-630252-1
- //
- // Copyright 1991 by Prentice Hall
- // All Rights Reserved
- //
- // Permission to use, copy, modify, and distribute this software for
- // any purpose except publication and without fee is hereby granted, provided
- // that the above copyright notice appear in all copies of the software.
- ///////////////////////////////////////////////////////////////////////////////
- //////////////////////////////////////////////////////////////////////////////
-
-
- ///////////////////////////////////////////////////////////////
- // AskFirstCmd.h: Base class for Cmds that ask for confirmation
- ////////////////////////////////////////////////////////////////
- #ifndef ASKFIRSTCMD_H
- #define ASKFIRSTCMD_H
- #include "Cmd.h"
-
- class AskFirstCmd : public Cmd {
-
- private:
-
- // Callback for the yes choice on the dialog
-
- static void yesCallback ( void * );
-
- // Derived classes should use setQuestion to change
- // the string displayed in the dialog
-
- char *_question;
-
- #ifndef CPLUSPLUS2_1
- protected:
-
- virtual void doit() = 0; // Specific actions must be defined
- virtual void undoit() = 0; // Specific actions must be defined
- #endif
-
- public:
-
- AskFirstCmd ( char *, int );
-
- void setQuestion ( char *str );
-
- virtual void execute(); // Overrides the Cmd member function
-
- virtual const char *const className () { return "AskFirstCmd"; }
- };
- #endif
-