another update from Martin Srebotnjak <miles@filmsi.net>

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

diff --git a/include/wx/evtloop.h b/include/wx/evtloop.h
index 54336ed2e1a6efbc9764b90bbf006e2a08b2952c..cb2de4ac713df4c1622ee35f61039d1c75b7e0ee 100644 (file)
--- a/include/wx/evtloop.h
+++ b/include/wx/evtloop.h
@@ -6,7 +6,7 @@
 // Created:     01.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_EVTLOOP_H_
@@ -18,35 +18,35 @@
 
 #include "wx/utils.h"
 
-class WXDLLEXPORT wxEventLoopImpl;
+class WXDLLEXPORT wxEventLoop;
 
 // ----------------------------------------------------------------------------
 // wxEventLoop: a GUI event loop
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxEventLoop
+class WXDLLEXPORT wxEventLoopBase
 {
 public:
-    // ctor
-    wxEventLoop() { m_impl = NULL; }
+    // trivial, but needed (because of wxEventLoopBase) ctor
+    wxEventLoopBase() { }
 
     // dtor
-    virtual ~wxEventLoop();
+    virtual ~wxEventLoopBase() { }
 
     // start the event loop, return the exit code when it is finished
-    virtual int Run();
+    virtual int Run() = 0;
 
     // exit from the loop with the given exit code
-    virtual void Exit(int rc = 0);
+    virtual void Exit(int rc = 0) = 0;
 
-    // return TRUE if any events are available
-    virtual bool Pending() const;
+    // return true if any events are available
+    virtual bool Pending() const = 0;
 
-    // dispatch a single event, return FALSE if we should exit from the loop
-    virtual bool Dispatch();
+    // dispatch a single event, return false if we should exit from the loop
+    virtual bool Dispatch() = 0;
 
     // is the event loop running now?
-    virtual bool IsRunning() const;
+    virtual bool IsRunning() const = 0;
 
     // return currently active (running) event loop, may be NULL
     static wxEventLoop *GetActive() { return ms_activeLoop; }
@@ -64,11 +64,42 @@ protected:
     // the pointer to currently active loop
     static wxEventLoop *ms_activeLoop;
 
+    DECLARE_NO_COPY_CLASS(wxEventLoopBase)
+};
+
+// we're moving away from old m_impl wxEventLoop model as otherwise the user
+// code doesn't have access to platform-specific wxEventLoop methods and this
+// can sometimes be very useful (e.g. under MSW this is necessary for
+// integration with MFC) but currently this is done for MSW only, other ports
+// should follow a.s.a.p.
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/evtloop.h"
+#elif defined(__WXMSW__)
+    #include "wx/msw/evtloop.h"
+#else
+
+class WXDLLEXPORT wxEventLoopImpl;
+
+class WXDLLEXPORT wxEventLoop : public wxEventLoopBase
+{
+public:
+    wxEventLoop() { m_impl = NULL; }
+    virtual ~wxEventLoop();
+
+    virtual int Run();
+    virtual void Exit(int rc = 0);
+    virtual bool Pending() const;
+    virtual bool Dispatch();
+    virtual bool IsRunning() const { return GetActive() == this; }
+
+protected:
     // the pointer to the port specific implementation class
     wxEventLoopImpl *m_impl;
 
     DECLARE_NO_COPY_CLASS(wxEventLoop)
-};
+        };
+
+#endif // __WXMSW__/!__WXMSW__
 
 // ----------------------------------------------------------------------------
 // wxModalEventLoop