JUCE/modules/juce_gui_basics/application/juce_Initialisation.h

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2013 - Raw Material Software Ltd.

   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3

   Details of these licenses can be found at: www.gnu.org/licenses

   JUCE 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 General Public License for more details.

   ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.juce.com for more information.

  ==============================================================================
*/

#ifndef __JUCE_INITIALISATION_JUCEHEADER__
#define __JUCE_INITIALISATION_JUCEHEADER__


//==============================================================================
/** Initialises Juce's GUI classes.

    If you're embedding Juce into an application that uses its own event-loop rather
    than using the START_JUCE_APPLICATION macro, call this function before making any
    Juce calls, to make sure things are initialised correctly.

    Note that if you're creating a Juce DLL for Windows, you may also need to call the
    Process::setCurrentModuleInstanceHandle() method.

    @see shutdownJuce_GUI()
*/
JUCE_API void JUCE_CALLTYPE  initialiseJuce_GUI();

/** Clears up any static data being used by Juce's GUI classes.

    If you're embedding Juce into an application that uses its own event-loop rather
    than using the START_JUCE_APPLICATION macro, call this function in your shutdown
    code to clean up any juce objects that might be lying around.

    @see initialiseJuce_GUI()
*/
JUCE_API void JUCE_CALLTYPE  shutdownJuce_GUI();


//==============================================================================
/** A utility object that helps you initialise and shutdown Juce correctly
    using an RAII pattern.

    When an instance of this class is created, it calls initialiseJuce_GUI(),
    and when it's deleted, it calls shutdownJuce_GUI(), which lets you easily
    make sure that these functions are matched correctly.

    This class is particularly handy to use at the beginning of a console app's
    main() function, because it'll take care of shutting down whenever you return
    from the main() call.
*/
class ScopedJuceInitialiser_GUI
{
public:
    /** The constructor simply calls initialiseJuce_GUI(). */
    ScopedJuceInitialiser_GUI()         { initialiseJuce_GUI(); }

    /** The destructor simply calls shutdownJuce_GUI(). */
    ~ScopedJuceInitialiser_GUI()        { shutdownJuce_GUI(); }
};


//==============================================================================
/*
    To start a JUCE app, use this macro: START_JUCE_APPLICATION (AppSubClass) where
    AppSubClass is the name of a class derived from JUCEApplication.

    See the JUCEApplication class documentation (juce_Application.h) for more details.

*/
#if JUCE_ANDROID
 #define START_JUCE_APPLICATION(AppClass) \
   juce::JUCEApplication* juce_CreateApplication() { return new AppClass(); }

#else
 #if JUCE_WINDOWS
  #if defined (WINAPI) || defined (_WINDOWS_)
   #define JUCE_MAIN_FUNCTION       int __stdcall WinMain (HINSTANCE, HINSTANCE, const LPSTR, int)
  #elif defined (_UNICODE)
   #define JUCE_MAIN_FUNCTION       int __stdcall WinMain (void*, void*, const wchar_t*, int)
  #else
   #define JUCE_MAIN_FUNCTION       int __stdcall WinMain (void*, void*, const char*, int)
  #endif
  #define  JUCE_MAIN_FUNCTION_ARGS
 #else
  #define  JUCE_MAIN_FUNCTION       int main (int argc, char* argv[])
  #define  JUCE_MAIN_FUNCTION_ARGS  argc, (const char**) argv
 #endif

 #define START_JUCE_APPLICATION(AppClass) \
    static juce::JUCEApplicationBase* juce_CreateApplication() { return new AppClass(); } \
    extern "C" JUCE_MAIN_FUNCTION \
    { \
        juce::JUCEApplication::createInstance = &juce_CreateApplication; \
        return juce::JUCEApplication::main (JUCE_MAIN_FUNCTION_ARGS); \
    }
#endif

#endif   // __JUCE_INITIALISATION_JUCEHEADER__