include/wx/module.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        module.h
   3 // Purpose:     Modules handling
   4 // Author:      Wolfram Gloger/adapted by Guilhem Lavaux
   5 // Modified by:
   6 // Created:     04/11/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Wolfram Gloger and Guilhem Lavaux
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MODULEH__
  13 #define _WX_MODULEH__
  14
  15 #ifdef __GNUG__
  16     #pragma interface "module.h"
  17 #endif
  18
  19 #include "wx/object.h"
  20 #include "wx/list.h"
  21
  22 // declare a linked list of modules
  23 class wxModule;
  24 WX_DECLARE_LIST(wxModule, wxModuleList);
  25
  26 // declaring a class derived from wxModule will automatically create an
  27 // instance of this class on program startup, call its OnInit() method and call
  28 // OnExit() on program termination (but only if OnInit() succeeded)
  29 class WXDLLEXPORT wxModule : public wxObject
  30 {
  31 public:
  32     wxModule() {}
  33     virtual ~wxModule() {}
  34
  35     // if module init routine returns FALSE application will fail to startup
  36     bool Init() { return OnInit(); }
  37     void Exit() { OnExit(); }
  38
  39     // Override both of these
  40         // called on program startup
  41     virtual bool OnInit() = 0;
  42         // called just before program termination, but only if OnInit()
  43         // succeeded
  44     virtual void OnExit() = 0;
  45
  46     static void RegisterModule(wxModule* module);
  47     static void RegisterModules();
  48     static bool InitializeModules();
  49     static void CleanUpModules();
  50
  51 protected:
  52     static wxModuleList m_modules;
  53
  54     DECLARE_CLASS(wxModule)
  55 };
  56
  57 #endif // _WX_MODULEH__
  58