preparation for allowing to use wxTimer in wxBase (heavily modified patch 1113088):

1. Changed wxTimer to use wxTimerImpl
2. Added Unix-specific generic timer implementation
3. Added wxAppTraits::CreateTimerImpl()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45544 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/private/timer.h

@@ -0,0 +1,43 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/generic/private/timer.h
+// Purpose:     Generic implementation of wxTimer class
+// Author:      Vaclav Slavik
+// Id:          $Id$
+// Copyright:   (c) Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef _WX_GENERIC_PRIVATE_TIMER_H_
+#define _WX_GENERIC_PRIVATE_TIMER_H_
+
+#include "wx/private/timer.h"
+
+//-----------------------------------------------------------------------------
+// wxTimer
+//-----------------------------------------------------------------------------
+
+class wxTimerDesc;
+
+class WXDLLEXPORT wxGenericTimerImpl : public wxTimerImpl
+{
+public:
+    wxGenericTimerImpl(wxTimer* timer) : wxTimerImpl(timer) { Init(); }
+    virtual ~wxGenericTimerImpl();
+
+    virtual bool Start(int millisecs = -1, bool oneShot = false);
+    virtual void Stop();
+
+    virtual bool IsRunning() const;
+
+    // implementation
+    static void NotifyTimers();
+
+protected:
+    void Init();
+
+private:
+    wxTimerDesc *m_desc;
+};
+
+#endif // _WX_GENERIC_PRIVATE_TIMER_H_