// 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_
#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; }
// 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(__PALMOS__)
+ #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