Printing improvements: GetPageInfo() gets called after the DC has

[wxWidgets.git] / src / common / process.cpp

diff --git a/src/common/process.cpp b/src/common/process.cpp
index ccd0cc589bd330735f173fdf69300cd508af66c5..cffb5f85693ff86c36c5c83073429cb02ece5f02 100644 (file)
--- a/src/common/process.cpp
+++ b/src/common/process.cpp
@@ -6,7 +6,7 @@
 // Created:     24/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -65,6 +65,7 @@ void wxProcess::Init(wxEvtHandler *parent, int id, int flags)
 /* static */
 wxProcess *wxProcess::Open(const wxString& cmd, int flags)
 {
+    wxASSERT_MSG( !(flags & wxEXEC_SYNC), wxT("wxEXEC_SYNC should not be used." ));
     wxProcess *process = new wxProcess(wxPROCESS_REDIRECT);
     if ( !wxExecute(cmd, flags, process) )
     {
@@ -119,6 +120,21 @@ void wxProcess::SetPipeStreams(wxInputStream *inputSstream,
     m_outputStream = outputStream;
 }
 
+bool wxProcess::IsInputOpened() const
+{
+    return m_inputStream && m_inputStream->GetLastError() != wxSTREAM_EOF;
+}
+
+bool wxProcess::IsInputAvailable() const
+{
+    return m_inputStream && m_inputStream->CanRead();
+}
+
+bool wxProcess::IsErrorAvailable() const
+{
+    return m_errorStream && m_errorStream->CanRead();
+}
+
 #endif // wxUSE_STREAMS
 
 // ----------------------------------------------------------------------------