X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..14619f10b0bdb630206607abd0ce0319d45e095a:/include/wx/app.h

diff --git a/include/wx/app.h b/include/wx/app.h
index 5538e053bd..b2d11cce40 100644
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -1,85 +1,551 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        app.h
+// Name:        wx/app.h
 // Purpose:     wxAppBase class and macros used for declaration of wxApp
 //              derived class in the user code
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_APP_H_BASE_
 #define _WX_APP_H_BASE_
 
-#ifdef __GNUG__
-    #pragma interface "appbase.h"
-#endif
-
 // ----------------------------------------------------------------------------
-// typedefs
+// headers we have to include here
 // ----------------------------------------------------------------------------
 
-#if defined(__WXMSW__) || defined (__WXPM__)
-    class WXDLLEXPORT wxApp;
-    typedef wxApp* (*wxAppInitializerFunction)();
-#else
-    // returning wxApp* won't work with gcc
-    #include "wx/object.h"
+#include "wx/event.h"       // for the base class
+#include "wx/eventfilter.h" // (and another one)
+#include "wx/build.h"
+#include "wx/cmdargs.h"     // for wxCmdLineArgsArray used by wxApp::argv
+#include "wx/init.h"        // we must declare wxEntry()
+#include "wx/intl.h"        // for wxLayoutDirection
+#include "wx/log.h"         // for wxDISABLE_DEBUG_LOGGING_IN_RELEASE_BUILD()
+
+class WXDLLIMPEXP_FWD_BASE wxAppConsole;
+class WXDLLIMPEXP_FWD_BASE wxAppTraits;
+class WXDLLIMPEXP_FWD_BASE wxCmdLineParser;
+class WXDLLIMPEXP_FWD_BASE wxEventLoopBase;
+class WXDLLIMPEXP_FWD_BASE wxMessageOutput;
 
-    typedef wxObject* (*wxAppInitializerFunction)();
+#if wxUSE_GUI
+    struct WXDLLIMPEXP_FWD_CORE wxVideoMode;
+    class WXDLLIMPEXP_FWD_CORE wxWindow;
 #endif
 
+// this macro should be used in any main() or equivalent functions defined in wx
+#define wxDISABLE_DEBUG_SUPPORT() \
+    wxDISABLE_ASSERTS_IN_RELEASE_BUILD(); \
+    wxDISABLE_DEBUG_LOGGING_IN_RELEASE_BUILD()
+
 // ----------------------------------------------------------------------------
-// headers we have to include here
+// typedefs
 // ----------------------------------------------------------------------------
 
-#include "wx/event.h"       // for the base class
+// the type of the function used to create a wxApp object on program start up
+typedef wxAppConsole* (*wxAppInitializerFunction)();
 
-#if wxUSE_GUI
-    #include "wx/window.h"      // for wxTopLevelWindows
-#endif // wxUSE_GUI
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
 
-#if wxUSE_LOG
-    #include "wx/log.h"
-#endif
+enum
+{
+    wxPRINT_WINDOWS = 1,
+    wxPRINT_POSTSCRIPT = 2
+};
 
 // ----------------------------------------------------------------------------
-// constants
+// global variables
 // ----------------------------------------------------------------------------
 
-static const int wxPRINT_WINDOWS = 1;
-static const int wxPRINT_POSTSCRIPT = 2;
+// use of this list is strongly deprecated, use wxApp ScheduleForDestruction()
+// and IsScheduledForDestruction()  methods instead of this list directly, it
+// is here for compatibility purposes only
+extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
 
 // ----------------------------------------------------------------------------
-// the common part of wxApp implementations for all platforms
+// wxAppConsoleBase: wxApp for non-GUI applications
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxAppBase : public wxEvtHandler
+class WXDLLIMPEXP_BASE wxAppConsoleBase : public wxEvtHandler,
+                                          public wxEventFilter
 {
 public:
+    // ctor and dtor
+    wxAppConsoleBase();
+    virtual ~wxAppConsoleBase();
+
+
     // the virtual functions which may/must be overridden in the derived class
     // -----------------------------------------------------------------------
 
-        // called during the program initialization, returning FALSE from here
-        // prevents the program from continuing - it's a good place to create
-        // the top level program window and return TRUE.
+    // This is the very first function called for a newly created wxApp object,
+    // it is used by the library to do the global initialization. If, for some
+    // reason, you must override it (instead of just overriding OnInit(), as
+    // usual, for app-specific initializations), do not forget to call the base
+    // class version!
+    virtual bool Initialize(int& argc, wxChar **argv);
+
+    // This gives wxCocoa a chance to call OnInit() with a memory pool in place
+    virtual bool CallOnInit() { return OnInit(); }
+
+    // Called before OnRun(), this is a good place to do initialization -- if
+    // anything fails, return false from here to prevent the program from
+    // continuing. The command line is normally parsed here, call the base
+    // class OnInit() to do it.
+    virtual bool OnInit();
+
+    // This is the replacement for the normal main(): all program work should
+    // be done here. When OnRun() returns, the programs starts shutting down.
+    virtual int OnRun();
+
+    // This is called by wxEventLoopBase::SetActive(): you should put the code
+    // which needs an active event loop here.
+    // Note that this function is called whenever an event loop is activated;
+    // you may want to use wxEventLoopBase::IsMain() to perform initialization
+    // specific for the app's main event loop.
+    virtual void OnEventLoopEnter(wxEventLoopBase* WXUNUSED(loop)) {}
+
+    // This is only called if OnInit() returned true so it's a good place to do
+    // any cleanup matching the initializations done there.
+    virtual int OnExit();
+
+    // This is called by wxEventLoopBase::OnExit() for each event loop which
+    // is exited.
+    virtual void OnEventLoopExit(wxEventLoopBase* WXUNUSED(loop)) {}
+
+    // This is the very last function called on wxApp object before it is
+    // destroyed. If you override it (instead of overriding OnExit() as usual)
+    // do not forget to call the base class version!
+    virtual void CleanUp();
+
+    // Called when a fatal exception occurs, this function should take care not
+    // to do anything which might provoke a nested exception! It may be
+    // overridden if you wish to react somehow in non-default way (core dump
+    // under Unix, application crash under Windows) to fatal program errors,
+    // however extreme care should be taken if you don't want this function to
+    // crash.
+    virtual void OnFatalException() { }
+
+    // Called from wxExit() function, should terminate the application a.s.a.p.
+    virtual void Exit();
+
+
+    // application info: name, description, vendor
+    // -------------------------------------------
+
+    // NB: all these should be set by the application itself, there are no
+    //     reasonable default except for the application name which is taken to
+    //     be argv[0]
+
+        // set/get the application name
+    wxString GetAppName() const;
+    void SetAppName(const wxString& name) { m_appName = name; }
+
+        // set/get the application display name: the display name is the name
+        // shown to the user in titles, reports, etc while the app name is
+        // used for paths, config, and other places the user doesn't see
         //
-        // Override: always in GUI application, rarely in console ones.
-#if wxUSE_GUI
-    virtual bool OnInit() { return FALSE; };
-#else // !GUI
-    virtual bool OnInit() { return TRUE; };
-#endif // wxUSE_GUI
+        // by default the display name is the same as app name or a capitalized
+        // version of the program if app name was not set neither but it's
+        // usually better to set it explicitly to something nicer
+    wxString GetAppDisplayName() const;
+
+    void SetAppDisplayName(const wxString& name) { m_appDisplayName = name; }
+
+        // set/get the app class name
+    wxString GetClassName() const { return m_className; }
+    void SetClassName(const wxString& name) { m_className = name; }
+
+        // set/get the vendor name
+    const wxString& GetVendorName() const { return m_vendorName; }
+    void SetVendorName(const wxString& name) { m_vendorName = name; }
+
+        // set/get the vendor display name:  the display name is shown
+        // in titles/reports/dialogs to the user, while the vendor name
+        // is used in some areas such as wxConfig, wxStandardPaths, etc
+    const wxString& GetVendorDisplayName() const
+    {
+        return m_vendorDisplayName.empty() ? GetVendorName()
+                                           : m_vendorDisplayName;
+    }
+    void SetVendorDisplayName(const wxString& name)
+    {
+        m_vendorDisplayName = name;
+    }
+
+
+    // cmd line parsing stuff
+    // ----------------------
+
+    // all of these methods may be overridden in the derived class to
+    // customize the command line parsing (by default only a few standard
+    // options are handled)
+    //
+    // you also need to call wxApp::OnInit() from YourApp::OnInit() for all
+    // this to work
+
+#if wxUSE_CMDLINE_PARSER
+    // this one is called from OnInit() to add all supported options
+    // to the given parser (don't forget to call the base class version if you
+    // override it!)
+    virtual void OnInitCmdLine(wxCmdLineParser& parser);
+
+    // called after successfully parsing the command line, return true
+    // to continue and false to exit (don't forget to call the base class
+    // version if you override it!)
+    virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
+
+    // called if "--help" option was specified, return true to continue
+    // and false to exit
+    virtual bool OnCmdLineHelp(wxCmdLineParser& parser);
+
+    // called if incorrect command line options were given, return
+    // false to abort and true to continue
+    virtual bool OnCmdLineError(wxCmdLineParser& parser);
+#endif // wxUSE_CMDLINE_PARSER
+
+
+    // miscellaneous customization functions
+    // -------------------------------------
+
+    // create the app traits object to which we delegate for everything which
+    // either should be configurable by the user (then he can change the
+    // default behaviour simply by overriding CreateTraits() and returning his
+    // own traits object) or which is GUI/console dependent as then wxAppTraits
+    // allows us to abstract the differences behind the common facade
+    wxAppTraits *GetTraits();
+
+    // this function provides safer access to traits object than
+    // wxTheApp->GetTraits() during startup or termination when the global
+    // application object itself may be unavailable
+    //
+    // of course, it still returns NULL in this case and the caller must check
+    // for it
+    static wxAppTraits *GetTraitsIfExists();
+
+    // Return some valid traits object.
+    //
+    // This method checks if we have wxTheApp and returns its traits if it does
+    // exist and the traits are non-NULL, similarly to GetTraitsIfExists(), but
+    // falls back to wxConsoleAppTraits to ensure that it always returns
+    // something valid.
+    static wxAppTraits& GetValidTraits();
+
+    // returns the main event loop instance, i.e. the event loop which is started
+    // by OnRun() and which dispatches all events sent from the native toolkit
+    // to the application (except when new event loops are temporarily set-up).
+    // The returned value maybe NULL. Put initialization code which needs a
+    // non-NULL main event loop into OnEventLoopEnter().
+    wxEventLoopBase* GetMainLoop() const
+        { return m_mainLoop; }
+
+    // This function sets the C locale to the default locale for the current
+    // environment. It is advised to call this to ensure that the underlying
+    // toolkit uses the locale in which the numbers and monetary amounts are
+    // shown in the format expected by user and so on.
+    //
+    // Notice that this does _not_ change the global C++ locale, you need to do
+    // it explicitly if you want.
+    //
+    // Finally, notice that while this function is virtual, it is not supposed
+    // to be overridden outside of the library itself.
+    virtual void SetCLocale();
+
+
+    // event processing functions
+    // --------------------------
+
+    // Implement the inherited wxEventFilter method but just return -1 from it
+    // to indicate that default processing should take place.
+    virtual int FilterEvent(wxEvent& event);
+
+    // return true if we're running event loop, i.e. if the events can
+    // (already) be dispatched
+    static bool IsMainLoopRunning();
+
+#if wxUSE_EXCEPTIONS
+    // execute the functor to handle the given event
+    //
+    // this is a generalization of HandleEvent() below and the base class
+    // implementation of CallEventHandler() still calls HandleEvent() for
+    // compatibility for functors which are just wxEventFunctions (i.e. methods
+    // of wxEvtHandler)
+    virtual void CallEventHandler(wxEvtHandler *handler,
+                                  wxEventFunctor& functor,
+                                  wxEvent& event) const;
+
+    // call the specified handler on the given object with the given event
+    //
+    // this method only exists to allow catching the exceptions thrown by any
+    // event handler, it would lead to an extra (useless) virtual function call
+    // if the exceptions were not used, so it doesn't even exist in that case
+    virtual void HandleEvent(wxEvtHandler *handler,
+                             wxEventFunction func,
+                             wxEvent& event) const;
+
+    // Called when an unhandled C++ exception occurs inside OnRun(): note that
+    // the main event loop has already terminated by now and the program will
+    // exit, if you need to really handle the exceptions you need to override
+    // OnExceptionInMainLoop()
+    virtual void OnUnhandledException();
+
+    // Function called if an uncaught exception is caught inside the main
+    // event loop: it may return true to continue running the event loop or
+    // false to stop it (in the latter case it may rethrow the exception as
+    // well)
+    virtual bool OnExceptionInMainLoop();
+
+#endif // wxUSE_EXCEPTIONS
+
+
+    // pending events
+    // --------------
+
+    // IMPORTANT: all these methods conceptually belong to wxEventLoopBase
+    //            but for many reasons we need to allow queuing of events
+    //            even when there's no event loop (e.g. in wxApp::OnInit);
+    //            this feature is used e.g. to queue events on secondary threads
+    //            or in wxPython to use wx.CallAfter before the GUI is initialized
+
+    // process all events in the m_handlersWithPendingEvents list -- it is necessary
+    // to call this function to process posted events. This happens during each
+    // event loop iteration in GUI mode but if there is no main loop, it may be
+    // also called directly.
+    virtual void ProcessPendingEvents();
+
+    // check if there are pending events on global pending event list
+    bool HasPendingEvents() const;
+
+    // temporary suspends processing of the pending events
+    void SuspendProcessingOfPendingEvents();
+
+    // resume processing of the pending events previously stopped because of a
+    // call to SuspendProcessingOfPendingEvents()
+    void ResumeProcessingOfPendingEvents();
+
+    // called by ~wxEvtHandler to (eventually) remove the handler from the list of
+    // the handlers with pending events
+    void RemovePendingEventHandler(wxEvtHandler* toRemove);
+
+    // adds an event handler to the list of the handlers with pending events
+    void AppendPendingEventHandler(wxEvtHandler* toAppend);
+
+    // moves the event handler from the list of the handlers with pending events
+    //to the list of the handlers with _delayed_ pending events
+    void DelayPendingEventHandler(wxEvtHandler* toDelay);
+
+    // deletes the current pending events
+    void DeletePendingEvents();
+
+
+    // delayed destruction
+    // -------------------
+
+    // If an object may have pending events for it, it shouldn't be deleted
+    // immediately as this would result in a crash when trying to handle these
+    // events: instead, it should be scheduled for destruction and really
+    // destroyed only after processing all pending events.
+    //
+    // Notice that this is only possible if we have a running event loop,
+    // otherwise the object is just deleted directly by ScheduleForDestruction()
+    // and IsScheduledForDestruction() always returns false.
+
+    // schedule the object for destruction in the near future
+    void ScheduleForDestruction(wxObject *object);
+
+    // return true if the object is scheduled for destruction
+    bool IsScheduledForDestruction(wxObject *object) const;
+
+
+    // wxEventLoop-related methods
+    // ---------------------------
+
+    // all these functions are forwarded to the corresponding methods of the
+    // currently active event loop -- and do nothing if there is none
+    virtual bool Pending();
+    virtual bool Dispatch();
+
+    virtual int MainLoop();
+    virtual void ExitMainLoop();
+
+    bool Yield(bool onlyIfNeeded = false);
+
+    virtual void WakeUpIdle();
+
+    // this method is called by the active event loop when there are no events
+    // to process
+    //
+    // by default it generates the idle events and if you override it in your
+    // derived class you should call the base class version to ensure that idle
+    // events are still sent out
+    virtual bool ProcessIdle();
+
+    // this virtual function is overridden in GUI wxApp to always return true
+    // as GUI applications always have an event loop -- but console ones may
+    // have it or not, so it simply returns true if already have an event loop
+    // running but false otherwise
+    virtual bool UsesEventLoop() const;
+
+
+    // debugging support
+    // -----------------
+
+    // this function is called when an assert failure occurs, the base class
+    // version does the normal processing (i.e. shows the usual assert failure
+    // dialog box)
+    //
+    // the arguments are the location of the failed assert (func may be empty
+    // if the compiler doesn't support C99 __FUNCTION__), the text of the
+    // assert itself and the user-specified message
+    virtual void OnAssertFailure(const wxChar *file,
+                                 int line,
+                                 const wxChar *func,
+                                 const wxChar *cond,
+                                 const wxChar *msg);
+
+    // old version of the function without func parameter, for compatibility
+    // only, override OnAssertFailure() in the new code
+    virtual void OnAssert(const wxChar *file,
+                          int line,
+                          const wxChar *cond,
+                          const wxChar *msg);
+
+    // check that the wxBuildOptions object (constructed in the application
+    // itself, usually the one from wxIMPLEMENT_APP() macro) matches the build
+    // options of the library and abort if it doesn't
+    static bool CheckBuildOptions(const char *optionsSignature,
+                                  const char *componentName);
+
+    // implementation only from now on
+    // -------------------------------
+
+    // helpers for dynamic wxApp construction
+    static void SetInitializerFunction(wxAppInitializerFunction fn)
+        { ms_appInitFn = fn; }
+    static wxAppInitializerFunction GetInitializerFunction()
+        { return ms_appInitFn; }
+
+    // accessors for ms_appInstance field (external code might wish to modify
+    // it, this is why we provide a setter here as well, but you should really
+    // know what you're doing if you call it), wxTheApp is usually used instead
+    // of GetInstance()
+    static wxAppConsole *GetInstance() { return ms_appInstance; }
+    static void SetInstance(wxAppConsole *app) { ms_appInstance = app; }
+
+
+    // command line arguments (public for backwards compatibility)
+    int argc;
+
+    // this object is implicitly convertible to either "char**" (traditional
+    // type of argv parameter of main()) or to "wchar_t **" (for compatibility
+    // with Unicode build in previous wx versions and because the command line
+    // can, in pr
+#if wxUSE_UNICODE
+    wxCmdLineArgsArray argv;
+#else
+    char **argv;
+#endif
+
+protected:
+    // delete all objects in wxPendingDelete list
+    //
+    // called from ProcessPendingEvents()
+    void DeletePendingObjects();
+
+    // the function which creates the traits object when GetTraits() needs it
+    // for the first time
+    virtual wxAppTraits *CreateTraits();
+
+    // function used for dynamic wxApp creation
+    static wxAppInitializerFunction ms_appInitFn;
+
+    // the one and only global application object
+    static wxAppConsole *ms_appInstance;
+
+    // create main loop from AppTraits or return NULL if
+    // there is no main loop implementation
+    wxEventLoopBase *CreateMainLoop();
+
+    // application info (must be set from the user code)
+    wxString m_vendorName,        // vendor name ("acme")
+             m_vendorDisplayName, // vendor display name (e.g. "ACME Inc")
+             m_appName,           // app name ("myapp")
+             m_appDisplayName,    // app display name ("My Application")
+             m_className;         // class name
+
+    // the class defining the application behaviour, NULL initially and created
+    // by GetTraits() when first needed
+    wxAppTraits *m_traits;
+
+    // the main event loop of the application (may be NULL if the loop hasn't
+    // been started yet or has already terminated)
+    wxEventLoopBase *m_mainLoop;
+
+
+    // pending events management vars:
+
+    // the array of the handlers with pending events which needs to be processed
+    // inside ProcessPendingEvents()
+    wxEvtHandlerArray m_handlersWithPendingEvents;
+
+    // helper array used by ProcessPendingEvents() to store the event handlers
+    // which have pending events but of these events none can be processed right now
+    // (because of a call to wxEventLoop::YieldFor() which asked to selectively process
+    // pending events)
+    wxEvtHandlerArray m_handlersWithPendingDelayedEvents;
+
+#if wxUSE_THREADS
+    // this critical section protects both the lists above
+    wxCriticalSection m_handlersWithPendingEventsLocker;
+#endif
+
+    // flag modified by Suspend/ResumeProcessingOfPendingEvents()
+    bool m_bDoPendingEventProcessing;
+
+    friend class WXDLLIMPEXP_FWD_BASE wxEvtHandler;
+
+    // the application object is a singleton anyhow, there is no sense in
+    // copying it
+    wxDECLARE_NO_COPY_CLASS(wxAppConsoleBase);
+};
+
+#if defined(__UNIX__) && !defined(__WXMSW__)
+    #include "wx/unix/app.h"
+#else
+    // this has to be a class and not a typedef as we forward declare it
+    class wxAppConsole : public wxAppConsoleBase { };
+#endif
+
+// ----------------------------------------------------------------------------
+// wxAppBase: the common part of wxApp implementations for all platforms
+// ----------------------------------------------------------------------------
 
 #if wxUSE_GUI
+
+class WXDLLIMPEXP_CORE wxAppBase : public wxAppConsole
+{
+public:
+    wxAppBase();
+    virtual ~wxAppBase();
+
+    // the virtual functions which may/must be overridden in the derived class
+    // -----------------------------------------------------------------------
+
+        // very first initialization function
+        //
+        // Override: very rarely
+    virtual bool Initialize(int& argc, wxChar **argv);
+
         // a platform-dependent version of OnInit(): the code here is likely to
         // depend on the toolkit. default version does nothing.
         //
         // Override: rarely.
-    virtual bool OnInitGui() { return TRUE; }
-#endif // wxUSE_GUI
+    virtual bool OnInitGui();
 
         // called to start program execution - the default version just enters
         // the main GUI loop in which events are received and processed until
@@ -88,135 +554,74 @@ public:
         // of the program really starts here
         //
         // Override: rarely in GUI applications, always in console ones.
-#if wxUSE_GUI
-    virtual int OnRun() { return MainLoop(); };
-#else // !GUI
-    virtual int OnRun() = 0;
-#endif // wxUSE_GUI
+    virtual int OnRun();
 
-        // called after the main loop termination. This is a good place for
-        // cleaning up (it may be too late in dtor) and is also useful if you
-        // want to return some non-default exit code - this is just the return
-        // value of this method.
-        //
-        // Override: often.
+        // a matching function for OnInit()
     virtual int OnExit();
 
-        // called when a fatal exception occurs, this function should take care
-        // not to do anything which might provoke a nested exception! It may be
-        // overridden if you wish to react somehow in non-default way (core
-        // dump under Unix, application crash under Windows) to fatal program
-        // errors, however extreme care should be taken if you don't want this
-        // function to crash.
+        // very last clean up function
         //
-        // Override: rarely.
-    virtual void OnFatalException() { }
+        // Override: very rarely
+    virtual void CleanUp();
+
 
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 
-#if wxUSE_GUI
-        // execute the main GUI loop, the function returns when the loop ends
-    virtual int MainLoop() = 0;
-
-        // exit the main GUI loop during the next iteration (i.e. it does not
-        // stop the program immediately!)
-    virtual void ExitMainLoop() = 0;
-
-        // returns TRUE if the program is initialized
-    virtual bool Initialized() = 0;
-
-        // returns TRUE if there are unprocessed events in the event queue
-    virtual bool Pending() = 0;
+        // safer alternatives to Yield(), using wxWindowDisabler
+    virtual bool SafeYield(wxWindow *win, bool onlyIfNeeded);
+    virtual bool SafeYieldFor(wxWindow *win, long eventsToProcess);
 
-        // process the first event in the event queue (blocks until an event
-        // apperas if there are none currently)
-    virtual void Dispatch() = 0;
-#endif // wxUSE_GUI
-
-    // application info: name, description, vendor
-    // -------------------------------------------
-
-    // NB: all these should be set by the application itself, there are no
-    //     reasonable default except for the application name which is taken to
-    //     be argv[0]
-
-        // set/get the application name
-    wxString GetAppName() const
-    {
-        if ( !m_appName )
-            return m_className;
-        else
-            return m_appName;
-    }
-    void SetAppName(const wxString& name) { m_appName = name; }
+        // 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();
 
-        // set/get the app class name
-    wxString GetClassName() const { return m_className; }
-    void SetClassName(const wxString& name) { m_className = name; }
+        // override base class version: GUI apps always use an event loop
+    virtual bool UsesEventLoop() const { return true; }
 
-        // set/get the vendor name
-    const wxString& GetVendorName() const { return m_vendorName; }
-    void SetVendorName(const wxString& name) { m_vendorName = name; }
 
-#if wxUSE_GUI
     // 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)
-    wxWindow *GetTopWindow() const
-    {
-        if (m_topWindow)
-            return m_topWindow;
-        else if (wxTopLevelWindows.GetCount() > 0)
-            return wxTopLevelWindows.GetFirst()->GetData();
-        else
-            return (wxWindow *)NULL;
-    }
+    virtual wxWindow *GetTopWindow() const;
 
         // 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 disabel this (with
-        // SetExitOnFrameDelete(FALSE)), you'll have to call ExitMainLoop()
-        // explicitly from somewhere.
-    void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
-    bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
-
-#endif // wxUSE_GUI
-
-    // miscellaneous customization functions
-    // -------------------------------------
-
-#if wxUSE_LOG
-        // override this function to create default log target of arbitrary
-        // user-defined class (default implementation creates a wxLogGui
-        // object) - this log object is used by default by all wxLogXXX()
-        // functions.
-    virtual wxLog *CreateLogTarget()
-#if wxUSE_GUI
-        { return new wxLogGui; }
-#else // !GUI
-        { return new wxLogStderr; }
-#endif // wxUSE_GUI
-#endif // wxUSE_LOG
-
-#if wxUSE_GUI
-        // get the standard icon used by wxWin dialogs - this allows the user
-        // to customize the standard dialogs. The 'which' parameter is one of
-        // wxICON_XXX values
-    virtual wxIcon GetStdIcon(int which) const = 0;
-
-        // VZ: what does this do exactly?
-    void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; }
-    bool GetWantDebugOutput() const { return m_wantDebugOutput; }
+        // 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 wxDFB.
+    virtual wxVideoMode GetDisplayMode() const;
+        // Set display mode to use. This is only used in framebuffer wxWin
+        // ports such as wxDFB. 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; }
+    void SetUseBestVisual( bool flag, bool forceTrueColour = false )
+        { m_useBestVisual = flag; m_forceTrueColour = forceTrueColour; }
     bool GetUseBestVisual() const { return m_useBestVisual; }
 
         // set/get printing mode: see wxPRINT_XXX constants.
@@ -225,86 +630,119 @@ public:
         // printing.
     virtual void SetPrintMode(int WXUNUSED(mode)) { }
     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; }
-#endif // wxUSE_GUI
 
-    // implementation only from now on
-    // -------------------------------
+    // Return the layout direction for the current locale or wxLayout_Default
+    // if it's unknown
+    virtual wxLayoutDirection GetLayoutDirection() const;
 
-    // helpers for dynamic wxApp construction
-    static void SetInitializerFunction(wxAppInitializerFunction fn)
-        { m_appInitFn = fn; }
-    static wxAppInitializerFunction GetInitializerFunction()
-        { return m_appInitFn; }
+    // Change the theme used by the application, return true on success.
+    virtual bool SetNativeTheme(const wxString& WXUNUSED(theme)) { return false; }
 
-    // process all events in the wxPendingEvents list
-    virtual void ProcessPendingEvents();
 
-    // access to the command line arguments
-    int      argc;
-    wxChar **argv;
+    // 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);
+
+#if WXWIN_COMPATIBILITY_2_6
+    // OBSOLETE: don't use, always returns true
+    //
+    // returns true if the program is successfully initialized
+    wxDEPRECATED( bool Initialized() );
+#endif // WXWIN_COMPATIBILITY_2_6
 
-//private:
 protected:
-    // function used for dynamic wxApp creation
-    static wxAppInitializerFunction m_appInitFn;
+    // override base class method to use GUI traits
+    virtual wxAppTraits *CreateTraits();
 
-    // application info (must be set from the user code)
-    wxString m_vendorName,      // vendor name (ACME Inc)
-             m_appName,         // app name
-             m_className;       // class name
 
-    // if TRUE, exit the main loop when the last top level window is deleted
-    bool m_exitOnFrameDelete;
+    // the main top level window (may be NULL)
+    wxWindow *m_topWindow;
 
-    // TRUE if the application wants to get debug output
-    bool m_wantDebugOutput;
+    // 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
+    // true if the app wants to use the best visual on systems where
     // more than one are available (Sun, SGI, XFree86 4.0 ?)
     bool m_useBestVisual;
+    // force TrueColour just in case "best" isn't TrueColour
+    bool m_forceTrueColour;
 
-#if wxUSE_GUI
-    // the main top level window - may be NULL
-    wxWindow *m_topWindow;
-#endif // wxUSE_GUI
+    // does any of our windows have focus?
+    bool m_isActive;
+
+    wxDECLARE_NO_COPY_CLASS(wxAppBase);
 };
 
+#if WXWIN_COMPATIBILITY_2_6
+    inline bool wxAppBase::Initialized() { return true; }
+#endif // WXWIN_COMPATIBILITY_2_6
+
 // ----------------------------------------------------------------------------
 // now include the declaration of the real class
 // ----------------------------------------------------------------------------
 
-#if wxUSE_GUI
-    #if defined(__WXMSW__)
-        #include "wx/msw/app.h"
-    #elif defined(__WXMOTIF__)
-        #include "wx/motif/app.h"
-    #elif defined(__WXQT__)
-        #include "wx/qt/app.h"
-    #elif defined(__WXGTK__)
-        #include "wx/gtk/app.h"
-    #elif defined(__WXMAC__)
-        #include "wx/mac/app.h"
-    #elif defined(__WXPM__)
-        #include "wx/os2/app.h"
-    #elif defined(__WXSTUBS__)
-        #include "wx/stubs/app.h"
-    #endif
+#if defined(__WXMSW__)
+    #include "wx/msw/app.h"
+#elif defined(__WXMOTIF__)
+    #include "wx/motif/app.h"
+#elif defined(__WXDFB__)
+    #include "wx/dfb/app.h"
+#elif defined(__WXGTK20__)
+    #include "wx/gtk/app.h"
+#elif defined(__WXGTK__)
+    #include "wx/gtk1/app.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/app.h"
+#elif defined(__WXMAC__)
+    #include "wx/osx/app.h"
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/app.h"
+#elif defined(__WXPM__)
+    #include "wx/os2/app.h"
+#endif
+
 #else // !GUI
-    // can't use typedef because wxApp forward declared as a class
-    class WXDLLEXPORT wxApp : public wxAppBase
-    {
-    };
+
+// wxApp is defined in core and we cannot define another one in wxBase,
+// so use the preprocessor to allow using wxApp in console programs too
+#define wxApp wxAppConsole
+
 #endif // GUI/!GUI
 
 // ----------------------------------------------------------------------------
 // the global data
 // ----------------------------------------------------------------------------
 
-// the one and only application object - use of wxTheApp in application code
-// is discouraged, 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)
-WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
+// 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 wxDECLARE_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 static_cast<wxApp*>(wxApp::GetInstance())
 
 // ----------------------------------------------------------------------------
 // global functions
@@ -314,42 +752,20 @@ WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
 // ------------------------------------------------------
 
 // Force an exit from main loop
-extern void WXDLLEXPORT wxExit();
+WXDLLIMPEXP_BASE void wxExit();
 
-// Yield to other apps/messages
-extern bool WXDLLEXPORT wxYield();
+// avoid redeclaring this function here if it had been already declared by
+// wx/utils.h, this results in warnings from g++ with -Wredundant-decls
+#ifndef wx_YIELD_DECLARED
+#define wx_YIELD_DECLARED
 
 // Yield to other apps/messages
-extern void WXDLLEXPORT wxWakeUpIdle();
+WXDLLIMPEXP_CORE bool wxYield();
 
-// Post a message to the given eventhandler which will be processed during the
-// next event loop iteration
-inline void WXDLLEXPORT wxPostEvent(wxEvtHandler *dest, wxEvent& event)
-{
-    wxCHECK_RET( dest, wxT("need an object to post event to in wxPostEvent") );
-
-#if wxUSE_GUI
-    dest->AddPendingEvent(event);
-#else
-    dest->ProcessEvent(event);
-#endif // wxUSE_GUI
-}
-
-// console applications may avoid using DECLARE_APP and IMPLEMENT_APP macros
-// and call these functions instead at the program startup and termination
-// -------------------------------------------------------------------------
-
-#if !wxUSE_GUI
-
-// initialize the library (may be called as many times as needed, but each
-// call to wxInitialize() must be matched by wxUninitialize())
-extern bool WXDLLEXPORT wxInitialize();
-
-// clean up - the library can't be used any more after the last call to
-// wxUninitialize()
-extern void WXDLLEXPORT wxUninitialize();
+#endif // wx_YIELD_DECLARED
 
-#endif // !wxUSE_GUI
+// Yield to other apps/messages
+WXDLLIMPEXP_BASE void wxWakeUpIdle();
 
 // ----------------------------------------------------------------------------
 // macros for dynamic creation of the application object
@@ -359,59 +775,114 @@ extern void WXDLLEXPORT wxUninitialize();
 // creator function. wxApp can then call this function to create a new app
 // object. Convoluted, but necessary.
 
-class WXDLLEXPORT wxAppInitializer
+class WXDLLIMPEXP_BASE wxAppInitializer
 {
 public:
     wxAppInitializer(wxAppInitializerFunction fn)
         { wxApp::SetInitializerFunction(fn); }
 };
 
-// Here's a macro 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.
-
-#if !wxUSE_GUI || defined(__WXMOTIF__) || defined(__WXGTK__) || defined(__WXPM__)
-    #define IMPLEMENT_WXWIN_MAIN \
-        extern int wxEntry( int argc, char *argv[] ); \
-        int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
-#elif defined(__WXMSW__) && defined(WXUSINGDLL)
-    // NT defines APIENTRY, 3.x not
-    #if !defined(WXAPIENTRY)
-        #define WXAPIENTRY WXFAR wxSTDCALL
-    #endif
-
-    #include <windows.h>
-    #include "wx/msw/winundef.h"
-
-    #define IMPLEMENT_WXWIN_MAIN \
-        extern "C" int WXAPIENTRY WinMain(HINSTANCE hInstance,\
-                                          HINSTANCE hPrevInstance,\
-                                          LPSTR m_lpCmdLine, int nCmdShow)\
-        {\
-            return wxEntry((WXHINSTANCE) hInstance,\
-                           (WXHINSTANCE) hPrevInstance,\
-                           m_lpCmdLine, nCmdShow);\
+// the code below defines a wxIMPLEMENT_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 wxIMPLEMENT_APP should add this code if required.
+
+// For compilers that support it, prefer to use wmain() as this ensures any
+// Unicode strings can be passed as command line parameters and not just those
+// representable in the current locale.
+#if wxUSE_UNICODE && defined(__VISUALC__)
+    #define wxIMPLEMENT_WXWIN_MAIN_CONSOLE                                    \
+        int wmain(int argc, wchar_t **argv)                                   \
+        {                                                                     \
+            wxDISABLE_DEBUG_SUPPORT();                                        \
+                                                                              \
+            return wxEntry(argc, argv);                                       \
+        }
+#else // Use standard main()
+    #define wxIMPLEMENT_WXWIN_MAIN_CONSOLE                                    \
+        int main(int argc, char **argv)                                       \
+        {                                                                     \
+            wxDISABLE_DEBUG_SUPPORT();                                        \
+                                                                              \
+            return wxEntry(argc, argv);                                       \
         }
+#endif
+
+// port-specific header could have defined it already in some special way
+#ifndef wxIMPLEMENT_WXWIN_MAIN
+    #define wxIMPLEMENT_WXWIN_MAIN          wxIMPLEMENT_WXWIN_MAIN_CONSOLE
+#endif // defined(wxIMPLEMENT_WXWIN_MAIN)
+
+#ifdef __WXUNIVERSAL__
+    #include "wx/univ/theme.h"
+
+    #ifdef wxUNIV_DEFAULT_THEME
+        #define wxIMPLEMENT_WX_THEME_SUPPORT \
+            WX_USE_THEME(wxUNIV_DEFAULT_THEME);
+    #else
+        #define wxIMPLEMENT_WX_THEME_SUPPORT
+    #endif
 #else
-    #define IMPLEMENT_WXWIN_MAIN
+    #define wxIMPLEMENT_WX_THEME_SUPPORT
 #endif
 
+// Use this macro if you want to define your own main() or WinMain() function
+// and call wxEntry() from there.
+#define wxIMPLEMENT_APP_NO_MAIN(appname)                                    \
+    appname& wxGetApp() { return *static_cast<appname*>(wxApp::GetInstance()); }    \
+    wxAppConsole *wxCreateApp()                                             \
+    {                                                                       \
+        wxAppConsole::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE,         \
+                                        "your program");                    \
+        return new appname;                                                 \
+    }                                                                       \
+    wxAppInitializer                                                        \
+        wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp)
+
+// Same as wxIMPLEMENT_APP() normally but doesn't include themes support in
+// wxUniversal builds
+#define wxIMPLEMENT_APP_NO_THEMES(appname)  \
+    wxIMPLEMENT_WXWIN_MAIN                  \
+    wxIMPLEMENT_APP_NO_MAIN(appname)
+
 // Use this macro exactly once, the argument is the name of the wxApp-derived
 // class which is the class of your application.
-#define IMPLEMENT_APP(appname)                           \
-    wxApp *wxCreateApp() { return new appname; }         \
-    wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \
-    appname& wxGetApp() { return *(appname *)wxTheApp; } \
-    IMPLEMENT_WXWIN_MAIN
+#define wxIMPLEMENT_APP(appname)            \
+    wxIMPLEMENT_WX_THEME_SUPPORT            \
+    wxIMPLEMENT_APP_NO_THEMES(appname)
 
-// Use this macro if you want to define your own main() or WinMain() function
-// and call wxEntry() from there.
-#define IMPLEMENT_APP_NO_MAIN(appname)                   \
-    wxApp *wxCreateApp() { return new appname; }         \
-    wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \
-    appname& wxGetApp() { return *(appname *)wxTheApp; }
+// Same as IMPLEMENT_APP(), but for console applications.
+#define wxIMPLEMENT_APP_CONSOLE(appname)    \
+    wxIMPLEMENT_WXWIN_MAIN_CONSOLE          \
+    wxIMPLEMENT_APP_NO_MAIN(appname)
 
-#define DECLARE_APP(appname) extern appname& wxGetApp();
+// this macro can be used multiple times and just allows you to use wxGetApp()
+// function
+#define wxDECLARE_APP(appname)              \
+    extern appname& wxGetApp()
 
-#endif
-    // _WX_APP_H_BASE_
+
+// declare the stuff defined by wxIMPLEMENT_APP() macro, it's not really needed
+// anywhere else but at the very least it suppresses icc warnings about
+// defining extern symbols without prior declaration, and it shouldn't do any
+// harm
+extern wxAppConsole *wxCreateApp();
+extern wxAppInitializer wxTheAppInitializer;
+
+// ----------------------------------------------------------------------------
+// Compatibility macro aliases
+// ----------------------------------------------------------------------------
+
+// deprecated variants _not_ requiring a semicolon after them
+// (note that also some wx-prefixed macro do _not_ require a semicolon because
+//  it's not always possible to force the compire to require it)
+
+#define IMPLEMENT_WXWIN_MAIN_CONSOLE            wxIMPLEMENT_WXWIN_MAIN_CONSOLE
+#define IMPLEMENT_WXWIN_MAIN                    wxIMPLEMENT_WXWIN_MAIN
+#define IMPLEMENT_WX_THEME_SUPPORT              wxIMPLEMENT_WX_THEME_SUPPORT
+#define IMPLEMENT_APP_NO_MAIN(app)              wxIMPLEMENT_APP_NO_MAIN(app);
+#define IMPLEMENT_APP_NO_THEMES(app)            wxIMPLEMENT_APP_NO_THEMES(app);
+#define IMPLEMENT_APP(app)                      wxIMPLEMENT_APP(app);
+#define IMPLEMENT_APP_CONSOLE(app)              wxIMPLEMENT_APP_CONSOLE(app);
+#define DECLARE_APP(app)                        wxDECLARE_APP(app);
+
+#endif // _WX_APP_H_BASE_