fix for HP aCC

[wxWidgets.git] / include / wx / app.h

diff --git a/include/wx/app.h b/include/wx/app.h
index c3b87dd0184a0866841326b5eb2bb3d53087bcee..8a6a135df983d94d3be021f20c48d1b15bd8f7fb 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -32,6 +32,7 @@ class WXDLLIMPEXP_FWD_BASE wxMessageOutput;
 
 #if wxUSE_GUI
     struct WXDLLIMPEXP_FWD_CORE wxVideoMode;
 
 #if wxUSE_GUI
     struct WXDLLIMPEXP_FWD_CORE wxVideoMode;

+    class WXDLLIMPEXP_FWD_CORE wxWindow;

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------


@@ -220,7 +221,21 @@ public:
     // had been already processed or won't be processed at all, respectively
     virtual int FilterEvent(wxEvent& event);
 
     // had been already processed or won't be processed at all, respectively
     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
 #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
     // call the specified handler on the given object with the given event
     //
     // this method only exists to allow catching the exceptions thrown by any


@@ -235,60 +250,35 @@ public:
     // exit, if you need to really handle the exceptions you need to override
     // OnExceptionInMainLoop()
     virtual void OnUnhandledException();
     // 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
 
 #endif // wxUSE_EXCEPTIONS
 

-    // event processing functions
-    // --------------------------

 
 

-    // return true if we're running event loop, i.e. if the events can
-    // (already) be dispatched
-    static bool IsMainLoopRunning();
+    // wxEventLoop redirections
+    // ------------------------

 
 

-    // process all events in the wxHandlersWithPendingEvents 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 SuspendProcessingOfPendingEvents();
+    virtual void ResumeProcessingOfPendingEvents();

     virtual void ProcessPendingEvents();
     virtual void ProcessPendingEvents();

-
-    // check if there are pending events on global pending event list

     bool HasPendingEvents() const;
 
     bool HasPendingEvents() const;
 

-    // doesn't do anything in this class, just a hook for GUI wxApp
-    virtual bool Yield(bool WXUNUSED(onlyIfNeeded) = false) { return true; }
-
-    // make sure that idle events are sent again
-    virtual void WakeUpIdle();
+    virtual bool Pending();
+    virtual bool Dispatch();

 
 

-        // execute the main GUI loop, the function returns when the loop ends

     virtual int MainLoop();
     virtual int MainLoop();

-
-        // exit the main GUI loop during the next iteration (i.e. it does not
-        // stop the program immediately!)

     virtual void ExitMainLoop();
 
     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();
+    bool Yield(bool onlyIfNeeded = false);

 
 

-        // this virtual function is called  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 void WakeUpIdle();

     virtual bool ProcessIdle();
 
     virtual bool ProcessIdle();
 

-#if wxUSE_EXCEPTIONS
-    // 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

 
     // debugging support
     // -----------------
 
     // debugging support
     // -----------------


@@ -356,7 +346,6 @@ protected:
     // for the first time
     virtual wxAppTraits *CreateTraits();
 
     // for the first time
     virtual wxAppTraits *CreateTraits();
 

-

     // function used for dynamic wxApp creation
     static wxAppInitializerFunction ms_appInitFn;
 
     // function used for dynamic wxApp creation
     static wxAppInitializerFunction ms_appInitFn;
 


@@ -382,9 +371,11 @@ protected:
     // been started yet or has already terminated)
     wxEventLoopBase *m_mainLoop;
 
     // been started yet or has already terminated)
     wxEventLoopBase *m_mainLoop;
 

+    friend class WXDLLIMPEXP_FWD_BASE wxEvtHandler;
+

     // the application object is a singleton anyhow, there is no sense in
     // copying it
     // the application object is a singleton anyhow, there is no sense in
     // copying it

-    DECLARE_NO_COPY_CLASS(wxAppConsoleBase)
+    wxDECLARE_NO_COPY_CLASS(wxAppConsoleBase);

 };
 
 #if defined(__UNIX__)
 };
 
 #if defined(__UNIX__)


@@ -441,22 +432,9 @@ public:
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 
     // the worker functions - usually not used directly by the user code
     // -----------------------------------------------------------------
 

-
-
-        // 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;
-
-        // returns true if the main thread is inside a Yield() call
-    bool IsYielding() const
-        { return m_isInsideYield; }
+        // safer alternatives to Yield(), using wxWindowDisabler
+    virtual bool SafeYield(wxWindow *win, bool onlyIfNeeded);
+    virtual bool SafeYieldFor(wxWindow *win, long eventsToProcess);

 
         // this virtual function is called in the GUI mode when the application
         // becomes idle and normally just sends wxIdleEvent to all interested
 
         // this virtual function is called in the GUI mode when the application
         // becomes idle and normally just sends wxIdleEvent to all interested


@@ -580,9 +558,7 @@ protected:
     // does any of our windows have focus?
     bool m_isActive;
 
     // does any of our windows have focus?
     bool m_isActive;
 

-    bool m_isInsideYield;
-
-    DECLARE_NO_COPY_CLASS(wxAppBase)
+    wxDECLARE_NO_COPY_CLASS(wxAppBase);

 };
 
 #if WXWIN_COMPATIBILITY_2_6
 };
 
 #if WXWIN_COMPATIBILITY_2_6


@@ -648,20 +624,20 @@ protected:
 // ------------------------------------------------------
 
 // Force an exit from main loop
 // ------------------------------------------------------
 
 // Force an exit from main loop

-extern void WXDLLIMPEXP_BASE wxExit();
+WXDLLIMPEXP_BASE void wxExit();

 
 

-// avoid redeclaring this function here if it had been already declated by
+// 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
 // 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 bool WXDLLIMPEXP_BASE wxYield();
+WXDLLIMPEXP_CORE bool wxYield();

 
 #endif // wx_YIELD_DECLARED
 
 // Yield to other apps/messages
 
 #endif // wx_YIELD_DECLARED
 
 // Yield to other apps/messages

-extern void WXDLLIMPEXP_BASE wxWakeUpIdle();
+WXDLLIMPEXP_BASE void wxWakeUpIdle();

 
 // ----------------------------------------------------------------------------
 // macros for dynamic creation of the application object
 
 // ----------------------------------------------------------------------------
 // macros for dynamic creation of the application object