ModNullCallback.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ModNullCallback.cpp
 
  James Crook
 
  Audacity is free software.
  This file is licensed under the wxWidgets license, see License.txt
 
********************************************************************//*****************************************************************//********************************************************************/
 
#include <wx/wx.h>
#include "ModNullCallback.h"
#include "ModuleConstants.h"
#include "ShuttleGui.h"
#include "Project.h"
#include "MenuRegistry.h"
#include "CommonCommandFlags.h"
 
/*
//#define ModuleDispatchName "ModuleDispatch"
See the example in this file.  It has several cases/options in it.
*/
 
// derived from wxFrame as it needs to be some kind of event handler.
class ModNullCallback : public wxFrame
{
public:
// Name these OnFuncXXX functions by whatever they will do.
   void OnFuncFirst(const CommandContext &);
   void OnFuncSecond(const CommandContext &);
};
 
void ModNullCallback::OnFuncFirst(const CommandContext &)
{
   int k=32;
}
 
void ModNullCallback::OnFuncSecond(const CommandContext &)
{
   int k=42;
}
ModNullCallback * pModNullCallback=NULL;
 
#define ModNullFN(X) (&ModNullCallback:: X)
 
extern "C" {
 
static CommandHandlerObject &ident(AudacityProject&project)
{
// no specific command handler object ...  use the project.
return project;
}
 
DEFINE_VERSION_CHECK
 
namespace {
void RegisterMenuItems()
{
   // Get here only after the module version check passes
   using namespace MenuRegistry;
   // We add two new commands into the Analyze menu.
   static AttachedItem sAttachment{ wxT("Analyze"),
      ( FinderScope( ident ), Section( wxT("NullModule"),
         Command(
            _T("A New Command"), // internal name
            XXO("1st Experimental Command..."), //displayed name
            ModNullFN( OnFuncFirst ),
            AudioIONotBusyFlag() ),
         Command(
            _T("Another New Command"),
            XXO("2nd Experimental Command"),
            ModNullFN( OnFuncSecond ),
            AudioIONotBusyFlag() )
      ) )
   };
}
}
 
// This is the function that connects us to Audacity.
extern int DLL_API ModuleDispatch(ModuleDispatchTypes type);
int ModuleDispatch(ModuleDispatchTypes type)
{
   switch (type)
   {
   case ModuleInitialize:
      RegisterMenuItems();
      break;
   case AppInitialized:
      break;
   case AppQuiting:
      break;
   default:
      break;
   }
 
   return 1;
}
 
//Example code commented out.
#if 0
// This is an example function to hijack the main panel
int DLL_API MainPanelFunc(int ix)
{
   ix=ix;//compiler food
   // If we wanted to hide Audacity's Project, 
   // we'd create a new wxFrame right here and return a pointer to it
   // as our return result.
 
// Don't hijack the main panel, just return a NULL;
   return NULL;
}
#endif
 
} // End extern "C"