include/wx/msw/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.h
   3 // Purpose:     wxApp class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_APP_H_
  13 #define _WX_APP_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "app.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/object.h"
  21
  22 class WXDLLEXPORT wxFrame;
  23 class WXDLLEXPORT wxWindow;
  24 class WXDLLEXPORT wxApp ;
  25 class WXDLLEXPORT wxKeyEvent;
  26 class WXDLLEXPORT wxLog;
  27
  28 #define wxPRINT_WINDOWS         1
  29 #define wxPRINT_POSTSCRIPT      2
  30
  31 WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
  32
  33 // Force an exit from main loop
  34 void WXDLLEXPORT wxExit();
  35
  36 // Yield to other apps/messages
  37 bool WXDLLEXPORT wxYield();
  38
  39 // Represents the application. Derive OnInit and declare
  40 // a new App object to start application
  41 class WXDLLEXPORT wxApp: public wxEvtHandler
  42 {
  43   DECLARE_DYNAMIC_CLASS(wxApp)
  44   wxApp();
  45   ~wxApp();
  46
  47   static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
  48   static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
  49
  50   virtual int MainLoop();
  51   void ExitMainLoop();
  52   bool Initialized();
  53   virtual bool Pending() ;
  54   virtual void Dispatch() ;
  55
  56   void OnIdle(wxIdleEvent& event);
  57
  58 // Generic
  59   virtual bool OnInit() { return FALSE; };
  60
  61   // No specific tasks to do here.
  62   virtual bool OnInitGui() { return TRUE; }
  63
  64   // Called to set off the main loop
  65   virtual int OnRun() { return MainLoop(); };
  66   virtual int OnExit() { return 0; }
  67
  68   inline void SetPrintMode(int mode) { m_printMode = mode; }
  69   inline int GetPrintMode() const { return m_printMode; }
  70
  71   inline void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
  72   inline bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
  73
  74   inline wxString GetAppName() const {
  75       if (m_appName != "")
  76         return m_appName;
  77       else return m_className;
  78     }
  79
  80   inline void SetAppName(const wxString& name) { m_appName = name; };
  81   inline wxString GetClassName() const { return m_className; }
  82   inline void SetClassName(const wxString& name) { m_className = name; }
  83
  84   void SetVendorName(const wxString& vendorName) { m_vendorName = vendorName; }
  85   const wxString& GetVendorName() const { return m_vendorName; }
  86
  87   wxWindow *GetTopWindow() const ;
  88   inline void SetTopWindow(wxWindow *win) { m_topWindow = win; }
  89
  90   inline void SetWantDebugOutput(bool flag) { m_wantDebugOutput = flag; }
  91   inline bool GetWantDebugOutput() { return m_wantDebugOutput; }
  92
  93   // Send idle event to all top-level windows.
  94   // Returns TRUE if more idle time is requested.
  95   bool SendIdleEvents();
  96
  97   // Send idle event to window and all subwindows
  98   // Returns TRUE if more idle time is requested.
  99   bool SendIdleEvents(wxWindow* win);
 100
 101   inline void SetAuto3D(bool flag) { m_auto3D = flag; }
 102   inline bool GetAuto3D() const { return m_auto3D; }
 103
 104   // Creates a log object
 105   virtual wxLog* CreateLogTarget();
 106
 107 public:
 108 //  void (*work_proc)(wxApp*app); // work procedure;
 109   int               argc;
 110   char **           argv;
 111
 112 protected:
 113   bool              m_wantDebugOutput ;
 114   wxString          m_className;
 115   wxString          m_appName,
 116                     m_vendorName;
 117   wxWindow *        m_topWindow;
 118   bool              m_exitOnFrameDelete;
 119   bool              m_showOnInit;
 120   int               m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
 121   bool              m_auto3D ;   // Always use 3D controls, except
 122                                  // where overriden
 123   static wxAppInitializerFunction       m_appInitFn;
 124
 125 /* Windows-specific wxApp definitions */
 126
 127 public:
 128
 129   // Implementation
 130   static bool Initialize();
 131   static void CleanUp();
 132
 133   static bool RegisterWindowClasses();
 134   // Convert Windows to argc, argv style
 135   void ConvertToStandardCommandArgs(char* p);
 136   virtual bool DoMessage();
 137   virtual bool ProcessMessage(WXMSG* pMsg);
 138   void DeletePendingObjects();
 139   bool ProcessIdle();
 140   int GetComCtl32Version() const;
 141
 142 public:
 143   static long       sm_lastMessageTime;
 144   int               m_nCmdShow;
 145
 146 protected:
 147   bool              m_keepGoing ;
 148
 149 DECLARE_EVENT_TABLE()
 150 };
 151
 152 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 153 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance, WXHINSTANCE hPrevInstance, char *lpszCmdLine,
 154                     int nCmdShow, bool enterLoop = TRUE);
 155 #else
 156 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance);
 157 #endif
 158
 159 #endif
 160     // _WX_APP_H_
 161