wxBase/GUI separation: 1st step, wxMSW should build, all the rest is broken

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/unix/apptbase.h

@@ -0,0 +1,63 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/unix/apptbase.h
+// Purpose:     declaration of wxAppTraits for Unix systems
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     23.06.2003
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIX_APPTBASE_H_
+#define _WX_UNIX_APPTBASE_H_
+
+class wxExecuteData;
+class wxPipe;
+
+// ----------------------------------------------------------------------------
+// wxAppTraits: the Unix version adds extra hooks needed by Unix code
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxAppTraits : public wxAppTraitsBase
+{
+public:
+    // wxExecute() support methods
+    // ---------------------------
+
+    // called before starting the child process and creates the pipe used for
+    // detecting the process termination asynchronously in GUI, does nothing in
+    // wxBase
+    //
+    // if it returns false, we should return from wxExecute() with an error
+    virtual bool CreateEndProcessPipe(wxExecuteData& execData) = 0;
+
+    // test if the given descriptor is the end of the pipe create by the
+    // function above
+    virtual bool IsWriteFDOfEndProcessPipe(wxExecuteData& execData, int fd) = 0;
+
+    // ensure that the write end of the pipe is not closed by wxPipe dtor
+    virtual void DetachWriteFDOfEndProcessPipe(wxExecuteData& execData) = 0;
+
+    // wait for the process termination, return whatever wxExecute() must
+    // return
+    virtual int WaitForChild(wxExecuteData& execData) = 0;
+
+
+    // wxThread helpers
+    // ----------------
+
+    // TODO
+
+
+    // other miscellaneous helpers
+    // ---------------------------
+
+    // wxGetOsVersion() behaves differently in GUI and non-GUI builds udner
+    // Unix: in the former case it returns the information about the toolkit
+    // and in the latter -- about the OS, so we need to virtualize it
+    virtual int GetOSVersion(int *verMaj, int *verMin) = 0;
+};
+
+#endif // _WX_UNIX_APPTBASE_H_
+