+ // a matching function for OnInit()
+ virtual int OnExit();
+
+ // very last clean up function
+ //
+ // Override: very rarely
+ virtual void CleanUp();
+
+
+ // the worker functions - usually not used directly by the user code
+ // -----------------------------------------------------------------
+
+ // return true if we're running main loop, i.e. if the events can
+ // (already) be dispatched
+ static bool IsMainLoopRunning()
+ {
+#if wxUSE_EVTLOOP_IN_APP
+ wxAppBase *app = wx_static_cast(wxAppBase *, GetInstance());
+ return app && app->m_mainLoop != NULL;
+#else
+ return false;
+#endif
+ }
+
+ // execute the main GUI loop, the function returns when the loop ends
+ virtual int MainLoop();
+
+ // exit the main loop thus terminating the application
+ virtual void Exit();
+
+ // exit the main GUI loop during the next iteration (i.e. it does not
+ // stop the program immediately!)
+ virtual void ExitMainLoop();
+
+ // returns true if there are unprocessed events in the event queue
+ virtual bool Pending();
+
+ // process the first event in the event queue (blocks until an event
+ // appears if there are none currently, use Pending() if this is not
+ // wanted), returns false if the event loop should stop and true
+ // otherwise
+ virtual bool Dispatch();
+
+ // process all currently pending events right now
+ //
+ // it is an error to call Yield() recursively unless the value of
+ // onlyIfNeeded is true
+ //
+ // WARNING: this function is dangerous as it can lead to unexpected
+ // reentrancies (i.e. when called from an event handler it
+ // may result in calling the same event handler again), use
+ // with _extreme_ care or, better, don't use at all!
+ virtual bool Yield(bool onlyIfNeeded = false) = 0;
+
+ // this virtual function is called in the GUI mode when the application
+ // becomes idle and normally just sends wxIdleEvent to all interested
+ // parties
+ //
+ // it should return true if more idle events are needed, false if not
+ virtual bool ProcessIdle();
+
+ // Send idle event to window and all subwindows
+ // Returns true if more idle time is requested.
+ virtual bool SendIdleEvents(wxWindow* win, wxIdleEvent& event);
+
+ // Perform standard OnIdle behaviour: call from port's OnIdle
+ void OnIdle(wxIdleEvent& event);
+
+
+ // top level window functions
+ // --------------------------
+
+ // return true if our app has focus
+ virtual bool IsActive() const { return m_isActive; }
+
+ // set the "main" top level window
+ void SetTopWindow(wxWindow *win) { m_topWindow = win; }
+
+ // return the "main" top level window (if it hadn't been set previously
+ // with SetTopWindow(), will return just some top level window and, if
+ // there are none, will return NULL)
+ virtual wxWindow *GetTopWindow() const
+ {
+ if (m_topWindow)
+ return m_topWindow;
+ else if (wxTopLevelWindows.GetCount() > 0)
+ return wxTopLevelWindows.GetFirst()->GetData();
+ else
+ return (wxWindow *)NULL;
+ }
+
+ // control the exit behaviour: by default, the program will exit the
+ // main loop (and so, usually, terminate) when the last top-level
+ // program window is deleted. Beware that if you disable this behaviour
+ // (with SetExitOnFrameDelete(false)), you'll have to call
+ // ExitMainLoop() explicitly from somewhere.
+ void SetExitOnFrameDelete(bool flag)
+ { m_exitOnFrameDelete = flag ? Yes : No; }
+ bool GetExitOnFrameDelete() const
+ { return m_exitOnFrameDelete == Yes; }
+
+
+ // display mode, visual, printing mode, ...
+ // ------------------------------------------------------------------------
+
+ // Get display mode that is used use. This is only used in framebuffer
+ // wxWin ports (such as wxMGL).
+ virtual wxVideoMode GetDisplayMode() const { return wxVideoMode(); }
+ // Set display mode to use. This is only used in framebuffer wxWin
+ // ports (such as wxMGL). This method should be called from
+ // wxApp::OnInitGui
+ virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return true; }
+
+ // set use of best visual flag (see below)
+ void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }
+ bool GetUseBestVisual() const { return m_useBestVisual; }
+
+ // set/get printing mode: see wxPRINT_XXX constants.
+ //
+ // default behaviour is the normal one for Unix: always use PostScript
+ // printing.
+ virtual void SetPrintMode(int WXUNUSED(mode)) { }
+ int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
+
+
+ // command line parsing (GUI-specific)
+ // ------------------------------------------------------------------------
+
+#if wxUSE_CMDLINE_PARSER
+ virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
+ virtual void OnInitCmdLine(wxCmdLineParser& parser);
+#endif
+
+ // miscellaneous other stuff
+ // ------------------------------------------------------------------------
+
+ // called by toolkit-specific code to set the app status: active (we have
+ // focus) or not and also the last window which had focus before we were
+ // deactivated
+ virtual void SetActive(bool isActive, wxWindow *lastFocus);
+
+ // OBSOLETE: don't use, always returns true
+ //
+ // returns true if the program is successfully initialized
+ bool Initialized() { return true; }
+
+
+protected:
+ // delete all objects in wxPendingDelete list
+ void DeletePendingObjects();
+
+ // override base class method to use GUI traits
+ virtual wxAppTraits *CreateTraits();
+
+
+#if wxUSE_EVTLOOP_IN_APP
+ // the main event loop of the application (may be NULL if the loop hasn't
+ // been started yet or has already terminated)
+ wxEventLoop *m_mainLoop;
+#endif // wxUSE_EVTLOOP_IN_APP
+
+ // the main top level window (may be NULL)
+ wxWindow *m_topWindow;
+
+ // if Yes, exit the main loop when the last top level window is deleted, if
+ // No don't do it and if Later -- only do it once we reach our OnRun()
+ //
+ // the explanation for using this strange scheme is given in appcmn.cpp
+ enum
+ {
+ Later = -1,
+ No,
+ Yes
+ } m_exitOnFrameDelete;
+
+ // true if the apps whats to use the best visual on systems where
+ // more than one are available (Sun, SGI, XFree86 4.0 ?)
+ bool m_useBestVisual;
+
+ // does any of our windows has focus?
+ bool m_isActive;
+
+
+ DECLARE_NO_COPY_CLASS(wxAppBase)
+};
+
+#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// now include the declaration of the real class
+// ----------------------------------------------------------------------------
+
+#if wxUSE_GUI
+ #if defined(__WXPALMOS__)
+ #include "wx/palmos/app.h"
+ #elif defined(__WXMSW__)
+ #include "wx/msw/app.h"
+ #elif defined(__WXMOTIF__)
+ #include "wx/motif/app.h"
+ #elif defined(__WXMGL__)
+ #include "wx/mgl/app.h"
+ #elif defined(__WXGTK__)
+ #include "wx/gtk/app.h"
+ #elif defined(__WXX11__)
+ #include "wx/x11/app.h"
+ #elif defined(__WXMAC__)
+ #include "wx/mac/app.h"
+ #elif defined(__WXCOCOA__)
+ #include "wx/cocoa/app.h"
+ #elif defined(__WXPM__)
+ #include "wx/os2/app.h"
+ #endif
+#else // !GUI
+ // allow using just wxApp (instead of wxAppConsole) in console programs
+ typedef wxAppConsole wxApp;
+#endif // GUI/!GUI
+
+// ----------------------------------------------------------------------------
+// the global data
+// ----------------------------------------------------------------------------
+
+// for compatibility, we define this macro to access the global application
+// object of type wxApp
+//
+// note that instead of using of wxTheApp in application code you should
+// consider using DECLARE_APP() after which you may call wxGetApp() which will
+// return the object of the correct type (i.e. MyApp and not wxApp)
+//
+// the cast is safe as in GUI build we only use wxApp, not wxAppConsole, and in
+// console mode it does nothing at all
+#define wxTheApp ((wxApp *)wxApp::GetInstance())
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+// event loop related functions only work in GUI programs
+// ------------------------------------------------------
+
+// Force an exit from main loop
+extern void WXDLLIMPEXP_BASE wxExit();
+
+// Yield to other apps/messages
+extern bool WXDLLIMPEXP_BASE wxYield();
+
+// Yield to other apps/messages
+extern void WXDLLIMPEXP_BASE wxWakeUpIdle();
+
+// ----------------------------------------------------------------------------
+// macros for dynamic creation of the application object
+// ----------------------------------------------------------------------------
+
+// Having a global instance of this class allows wxApp to be aware of the app
+// creator function. wxApp can then call this function to create a new app
+// object. Convoluted, but necessary.
+
+class WXDLLIMPEXP_BASE wxAppInitializer
+{
+public:
+ wxAppInitializer(wxAppInitializerFunction fn)
+ { wxApp::SetInitializerFunction(fn); }
+};
+
+// the code below defines a IMPLEMENT_WXWIN_MAIN macro which you can use if
+// your compiler really, really wants main() to be in your main program (e.g.
+// hello.cpp). Now IMPLEMENT_APP should add this code if required.
+
+#define IMPLEMENT_WXWIN_MAIN_CONSOLE \
+ int main(int argc, char **argv) { return wxEntry(argc, argv); }
+
+// port-specific header could have defined it already in some special wau
+#ifndef IMPLEMENT_WXWIN_MAIN
+ #define IMPLEMENT_WXWIN_MAIN IMPLEMENT_WXWIN_MAIN_CONSOLE
+#endif // defined(IMPLEMENT_WXWIN_MAIN)
+
+#ifdef __WXUNIVERSAL__
+ #include "wx/univ/theme.h"
+
+ #define IMPLEMENT_WX_THEME_SUPPORT \
+ WX_USE_THEME(win32); \
+ WX_USE_THEME(gtk);
+#else
+ #define IMPLEMENT_WX_THEME_SUPPORT