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 void WXDLLEXPORT wxCleanUp();
  34 void WXDLLEXPORT wxCommonCleanUp(); // Call this from the platform's wxCleanUp()
  35 void WXDLLEXPORT wxCommonInit();    // Call this from the platform's initialization
  36
  37 // Force an exit from main loop
  38 void WXDLLEXPORT wxExit();
  39
  40 // Yield to other apps/messages
  41 bool WXDLLEXPORT wxYield();
  42
  43 // Represents the application. Derive OnInit and declare
  44 // a new App object to start application
  45 class WXDLLEXPORT wxApp: public wxEvtHandler
  46 {
  47   DECLARE_DYNAMIC_CLASS(wxApp)
  48   wxApp();
  49   inline ~wxApp() {}
  50
  51   static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
  52   static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
  53
  54   virtual int MainLoop();
  55   void ExitMainLoop();
  56   bool Initialized();
  57   virtual bool Pending() ;
  58   virtual void Dispatch() ;
  59
  60   void OnIdle(wxIdleEvent& event);
  61
  62 // Generic
  63   virtual bool OnInit() { return FALSE; };
  64
  65   // No specific tasks to do here.
  66   virtual bool OnInitGui() { return TRUE; }
  67
  68   // Called to set off the main loop
  69   virtual int OnRun() { return MainLoop(); };
  70   virtual int OnExit() { return 0; }
  71
  72   inline void SetPrintMode(int mode) { m_printMode = mode; }
  73   inline int GetPrintMode() const { return m_printMode; }
  74
  75   inline void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
  76   inline bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
  77
  78   inline wxString GetAppName() const {
  79       if (m_appName != "")
  80         return m_appName;
  81       else return m_className;
  82     }
  83
  84   inline void SetAppName(const wxString& name) { m_appName = name; };
  85   inline wxString GetClassName() const { return m_className; }
  86   inline void SetClassName(const wxString& name) { m_className = name; }
  87
  88   void SetVendorName(const wxString& vendorName) { m_vendorName = vendorName; }
  89   const wxString& GetVendorName() const { return m_vendorName; }
  90
  91   wxWindow *GetTopWindow() const ;
  92   inline void SetTopWindow(wxWindow *win) { m_topWindow = win; }
  93
  94   inline void SetWantDebugOutput(bool flag) { m_wantDebugOutput = flag; }
  95   inline bool GetWantDebugOutput() { return m_wantDebugOutput; }
  96
  97   // Send idle event to all top-level windows.
  98   // Returns TRUE if more idle time is requested.
  99   bool SendIdleEvents();
 100
 101   // Send idle event to window and all subwindows
 102   // Returns TRUE if more idle time is requested.
 103   bool SendIdleEvents(wxWindow* win);
 104
 105   inline void SetAuto3D(bool flag) { m_auto3D = flag; }
 106   inline bool GetAuto3D() const { return m_auto3D; }
 107
 108   // Creates a log object
 109   virtual wxLog* CreateLogTarget();
 110
 111 public:
 112 //  void (*work_proc)(wxApp*app); // work procedure;
 113   int               argc;
 114   char **           argv;
 115
 116 protected:
 117   bool              m_wantDebugOutput ;
 118   wxString          m_className;
 119   wxString          m_appName,
 120                     m_vendorName;
 121   wxWindow *        m_topWindow;
 122   bool              m_exitOnFrameDelete;
 123   bool              m_showOnInit;
 124   int               m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
 125   bool              m_auto3D ;   // Always use 3D controls, except
 126                                  // where overriden
 127   static wxAppInitializerFunction       m_appInitFn;
 128
 129 /* Windows-specific wxApp definitions */
 130
 131 public:
 132
 133   // Implementation
 134   static bool Initialize(WXHINSTANCE instance);
 135   static void CommonInit();
 136   static bool RegisterWindowClasses();
 137   static void CleanUp();
 138   static void CommonCleanUp();
 139   virtual bool DoMessage();
 140   virtual bool ProcessMessage(WXMSG* pMsg);
 141   void DeletePendingObjects();
 142   bool ProcessIdle();
 143   int GetComCtl32Version() const;
 144
 145 public:
 146   static long       sm_lastMessageTime;
 147   int               m_nCmdShow;
 148
 149 protected:
 150   bool              m_keepGoing ;
 151 //  bool              m_resourceCollection;
 152 //  bool              m_pendingCleanup; // TRUE if we need to check the GDI object lists for cleanup
 153
 154 DECLARE_EVENT_TABLE()
 155 };
 156
 157 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 158 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance, WXHINSTANCE hPrevInstance, char *lpszCmdLine,
 159                     int nCmdShow, bool enterLoop = TRUE);
 160 #else
 161 int WXDLLEXPORT wxEntry(WXHINSTANCE hInstance);
 162 #endif
 163
 164 #endif
 165     // _WX_APP_H_
 166