avoiding crash for pure modifier events

[wxWidgets.git] / include / wx / process.h

diff --git a/include/wx/process.h b/include/wx/process.h
index c5136d203a3681bd677a72319724368a78836bb7..d49f9f9242743e095aeda3436ec21912d71ea3bc 100644 (file)
--- a/include/wx/process.h
+++ b/include/wx/process.h
@@ -1,21 +1,17 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        process.h
+// Name:        wx/process.h
 // Purpose:     wxProcess class
 // Author:      Guilhem Lavaux
 // Modified by: Vadim Zeitlin to check error codes, added Detach() method
 // Created:     24/06/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Guilhem Lavaux
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_PROCESSH__
 #define _WX_PROCESSH__
 
-#ifdef __GNUG__
-    #pragma interface "process.h"
-#endif
-
 #include "wx/event.h"
 
 #if wxUSE_STREAMS
@@ -39,11 +35,11 @@ enum
 // function will be called when the process terminates.
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxProcess : public wxEvtHandler
+class WXDLLIMPEXP_BASE wxProcess : public wxEvtHandler
 {
 public:
     // kill the process with the given PID
-    static wxKillError Kill(int pid, wxSignal sig = wxSIGTERM);
+    static wxKillError Kill(int pid, wxSignal sig = wxSIGTERM, int flags = wxKILL_NOCHILDREN);
 
     // test if the given process exists
     static bool Exists(int pid);
@@ -59,20 +55,23 @@ public:
 
 
     // ctors
-    wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int id = -1)
-        { Init(parent, id, wxPROCESS_DEFAULT); }
+    wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int nId = wxID_ANY)
+        { Init(parent, nId, wxPROCESS_DEFAULT); }
 
-    wxProcess(int flags) { Init(NULL, -1, flags); }
+    wxProcess(int flags) { Init(NULL, wxID_ANY, flags); }
 
     virtual ~wxProcess();
 
+    // get the process ID of the process executed by Open()
+    long GetPid() const { return m_pid; }
+
     // may be overridden to be notified about process termination
     virtual void OnTerminate(int pid, int status);
 
     // call this before passing the object to wxExecute() to redirect the
     // launched process stdin/stdout, then use GetInputStream() and
     // GetOutputStream() to get access to them
-    void Redirect() { m_redirect = TRUE; }
+    void Redirect() { m_redirect = true; }
     bool IsRedirected() const { return m_redirect; }
 
     // detach from the parent - should be called by the parent if it's deleted
@@ -88,10 +87,10 @@ public:
     // close the output stream indicating that nothing more will be written
     void CloseOutput() { delete m_outputStream; m_outputStream = NULL; }
 
-    // return TRUE if the child process stdout is not closed
+    // return true if the child process stdout is not closed
     bool IsInputOpened() const;
 
-    // return TRUE if any input is available on the child process stdout/err
+    // return true if any input is available on the child process stdout/err
     bool IsInputAvailable() const;
     bool IsErrorAvailable() const;
 
@@ -105,16 +104,12 @@ public:
                         wxInputStream *errStream);
 #endif // wxUSE_STREAMS
 
-    // for backwards compatibility only, don't use
-#if WXWIN_COMPATIBILITY_2_2
-    wxProcess(wxEvtHandler *parent, bool redirect)
-        { Init(parent, -1, redirect ? wxPROCESS_REDIRECT : wxPROCESS_DEFAULT); }
-#endif // WXWIN_COMPATIBILITY_2_2
-
 protected:
     void Init(wxEvtHandler *parent, int id, int flags);
+    void SetPid(long pid) { m_pid = pid; }
 
     int m_id;
+    long m_pid;
 
 #if wxUSE_STREAMS
     // these streams are connected to stdout, stderr and stdin of the child
@@ -128,20 +123,19 @@ protected:
     bool m_redirect;
 
     DECLARE_DYNAMIC_CLASS(wxProcess)
+    DECLARE_NO_COPY_CLASS(wxProcess)
 };
 
 // ----------------------------------------------------------------------------
 // wxProcess events
 // ----------------------------------------------------------------------------
 
-BEGIN_DECLARE_EVENT_TYPES()
-    DECLARE_EVENT_TYPE(wxEVT_END_PROCESS, 440)
-END_DECLARE_EVENT_TYPES()
+extern WXDLLIMPEXP_BASE const wxEventType wxEVT_END_PROCESS;
 
-class WXDLLEXPORT wxProcessEvent : public wxEvent
+class WXDLLIMPEXP_BASE wxProcessEvent : public wxEvent
 {
 public:
-    wxProcessEvent(int id = 0, int pid = 0, int exitcode = 0) : wxEvent(id)
+    wxProcessEvent(int nId = 0, int pid = 0, int exitcode = 0) : wxEvent(nId)
     {
         m_eventType = wxEVT_END_PROCESS;
         m_pid = pid;
@@ -162,17 +156,15 @@ public:
     int m_pid,
         m_exitcode;
 
-    DECLARE_DYNAMIC_CLASS(wxProcessEvent)
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxProcessEvent)
 };
 
 typedef void (wxEvtHandler::*wxProcessEventFunction)(wxProcessEvent&);
 
+#define wxProcessEventHandler(func) \
+    (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxProcessEventFunction, &func)
+
 #define EVT_END_PROCESS(id, func) \
-   DECLARE_EVENT_TABLE_ENTRY( \
-           wxEVT_END_PROCESS, id, -1, \
-           (wxObjectEventFunction) \
-           (wxEventFunction) \
-           (wxProcessEventFunction) & func, NULL),
+   wx__DECLARE_EVT1(wxEVT_END_PROCESS, id, wxProcessEventHandler(func))
 
-#endif
-    // _WX_PROCESSH__
+#endif // _WX_PROCESSH__