Committed William Osborne's wxPalmOS port

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29996 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/palmos/evtloop.cpp

@@ -0,0 +1,164 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        palmos/evtloop.cpp
+// Purpose:     implements wxEventLoop for Palm OS
+// Author:      William Osborne
+// Modified by:
+// Created:     10.14.04
+// RCS-ID:      $Id: 
+// Copyright:   (c) William Osborne
+// License:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma implementation "evtloop.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/app.h"
+#endif //WX_PRECOMP
+
+#include "wx/evtloop.h"
+
+#include "wx/tooltip.h"
+#include "wx/except.h"
+#include "wx/ptr_scpd.h"
+
+#if wxUSE_THREADS
+    #include "wx/thread.h"
+
+    // define the array of MSG strutures
+    WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+    #include "wx/arrimpl.cpp"
+
+    WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
+
+// ----------------------------------------------------------------------------
+// helper class
+// ----------------------------------------------------------------------------
+
+// this object sets the wxEventLoop given to the ctor as the currently active
+// one and unsets it in its dtor
+class wxEventLoopActivator
+{
+public:
+    wxEventLoopActivator(wxEventLoop **pActive,
+                         wxEventLoop *evtLoop)
+    {
+        m_pActive = pActive;
+        m_evtLoopOld = *pActive;
+        *pActive = evtLoop;
+    }
+
+    ~wxEventLoopActivator()
+    {
+        // restore the previously active event loop
+        *m_pActive = m_evtLoopOld;
+    }
+
+private:
+    wxEventLoop *m_evtLoopOld;
+    wxEventLoop **m_pActive;
+};
+
+// ============================================================================
+// wxEventLoop implementation
+// ============================================================================
+
+wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL;
+
+// ----------------------------------------------------------------------------
+// ctor/dtor
+// ----------------------------------------------------------------------------
+
+wxEventLoop::wxEventLoop()
+{
+    m_shouldExit = false;
+    m_exitcode = 0;
+}
+
+// ----------------------------------------------------------------------------
+// wxEventLoop message processing
+// ----------------------------------------------------------------------------
+
+void wxEventLoop::ProcessMessage(WXMSG *msg)
+{
+}
+
+bool wxEventLoop::PreProcessMessage(WXMSG *msg)
+{
+	return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxEventLoop running and exiting
+// ----------------------------------------------------------------------------
+
+bool wxEventLoop::IsRunning() const
+{
+    return true;
+}
+
+int wxEventLoop::Run()
+{
+    status_t    error;
+    EventType    event;
+
+    do {
+        wxTheApp && wxTheApp->ProcessIdle();
+        
+        EvtGetEvent(&event, evtWaitForever);
+
+        if (SysHandleEvent(&event))
+            continue;
+            
+        if (MenuHandleEvent(0, &event, &error))
+            continue;
+            
+        FrmDispatchEvent(&event);
+
+    } while (event.eType != appStopEvent);    
+    
+    return 0;
+}
+
+void wxEventLoop::Exit(int rc)
+{
+    FrmCloseAllForms();
+
+    EventType AppStop;
+    AppStop.eType=appStopEvent;
+    EvtAddEventToQueue(&AppStop);
+}
+
+// ----------------------------------------------------------------------------
+// wxEventLoop message processing dispatching
+// ----------------------------------------------------------------------------
+
+bool wxEventLoop::Pending() const
+{
+	return false;
+}
+
+bool wxEventLoop::Dispatch()
+{
+    return false;
+}
+