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Game Programming in C++ - Start to Finish
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CEGuiBaseApplication.h
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2005-08-20
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/************************************************************************
filename: CEGuiBaseApplication.h
created: 24/9/2004
author: Paul D Turner
*************************************************************************/
/*************************************************************************
Crazy Eddie's GUI System (http://www.cegui.org.uk)
Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*************************************************************************/
#ifndef _CEGuiBaseApplication_h_
#define _CEGuiBaseApplication_h_
/*************************************************************************
Forward refs
*************************************************************************/
class CEGuiSample;
/*!
\brief
Base application abstract base class.
The "BaseApplication" family of classes are used to start up and execute a host application for
CeGui samples in a consistent manner.
*/
class CEGuiBaseApplication
{
public:
/*!
\brief
Constructor.
*/
CEGuiBaseApplication() :
d_quitting(false)
{ }
/*!
\brief
Destructor
*/
virtual ~CEGuiBaseApplication()
{ }
/*!
\brief
Start the base application
This will fully initialise the application, finish initialisation of the demo via calls to 'sampleApp', and finally
control execution of the sample.
\param sampleApp
Pointer to the CEGuiSample object that the CEGuiBaseApplication is being invoked for.
\return
- true if the application initialised and ran okay (cleanup call is required).
- false if the application failed to initialise (no cleanup call is required).
*/
virtual bool execute(CEGuiSample* sampleApp) = 0;
/*!
\brief
Performs any required cleanup of the base application system.
*/
virtual void cleanup() = 0;
/*!
\brief
Set whether the BaseApplication should clean up and exit.
\param quit
- true if the application should clean up and exit.
\return
Nothing.
*/
virtual void setQuitting(bool quit = true) { d_quitting = quit; }
/*!
\brief
Return whether the app is currently set to quit.
\return
- true if the application will terminate at its earliest opportunity.
- false if the application will keep running.
*/
virtual bool isQuitting() const { return d_quitting; }
protected:
bool d_quitting; //!< true when the base app should cleanup and exit.
};
#endif // end of guard _CEGuiBaseApplication_h_