// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) 1998-2002 wxWindows dev team
+// Copyright: (c) 1998-2002 wxWidgets dev team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation
#endif
#include "wx/log.h"
#endif
-#ifdef __WIN32__
- #include "wx/stream.h"
- #include "wx/process.h"
-#endif
+#include "wx/stream.h"
+#include "wx/process.h"
#include "wx/apptrait.h"
+#include "wx/module.h"
+
#include "wx/msw/private.h"
#include <ctype.h>
#include <sys/stat.h>
#endif
-#if defined(__WIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
-#ifndef __UNIX__
- #include <io.h>
-#endif
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+ #ifndef __UNIX__
+ #include <io.h>
+ #endif
-#ifndef __GNUWIN32__
-#include <shellapi.h>
-#endif
+ #ifndef __GNUWIN32__
+ #include <shellapi.h>
+ #endif
#endif
#include <stdio.h>
#include "wx/dde.h" // for WX_DDE hack in wxExecute
#endif // wxUSE_IPC
+// implemented in utils.cpp
+extern "C" WXDLLIMPEXP_BASE HWND
+wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc);
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// we need to create a hidden window to receive the process termination
// notifications and for this we need a (Win) class name for it which we will
// register the first time it's needed
+static const wxChar *wxMSWEXEC_WNDCLASSNAME = wxT("_wxExecute_Internal_Class");
static const wxChar *gs_classForHiddenWindow = NULL;
// ----------------------------------------------------------------------------
public:
~wxExecuteData()
{
-#ifndef __WIN16__
if ( !::CloseHandle(hProcess) )
{
wxLogLastError(wxT("CloseHandle(hProcess)"));
}
-#endif
}
HWND hWnd; // window to send wxWM_PROC_TERMINATED to
bool state; // set to FALSE when the process finishes
};
-#if defined(__WIN32__) && wxUSE_STREAMS && !defined(__WXWINCE__)
+class wxExecuteModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return true; }
+ virtual void OnExit()
+ {
+ if ( *gs_classForHiddenWindow )
+ {
+ if ( !::UnregisterClass(wxMSWEXEC_WNDCLASSNAME, wxGetInstance()) )
+ {
+ wxLogLastError(_T("UnregisterClass(wxExecClass)"));
+ }
+
+ gs_classForHiddenWindow = NULL;
+ }
+ }
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxExecuteModule)
+};
+
+#if wxUSE_STREAMS && !defined(__WXWINCE__)
// ----------------------------------------------------------------------------
// wxPipeStreams
bool IsOk() const { return m_handles[Read] != INVALID_HANDLE_VALUE; }
// return the descriptor for one of the pipe ends
- HANDLE operator[](Direction which) const
- {
- wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_handles),
- _T("invalid pipe index") );
-
- return m_handles[which];
- }
+ HANDLE operator[](Direction which) const { return m_handles[which]; }
// detach a descriptor, meaning that the pipe dtor won't close it, and
// return it
HANDLE Detach(Direction which)
{
- wxASSERT_MSG( which >= 0 && (size_t)which < WXSIZEOF(m_handles),
- _T("invalid pipe index") );
-
HANDLE handle = m_handles[which];
m_handles[which] = INVALID_HANDLE_VALUE;
// implementation
// ============================================================================
-#ifdef __WIN32__
-
// ----------------------------------------------------------------------------
// process termination detecting support
// ----------------------------------------------------------------------------
#endif // wxUSE_STREAMS
-#endif // Win32
-
// ============================================================================
// wxExecute functions family
// ============================================================================
const wxString& ddeTopic,
const wxString& ddeCommand)
{
- bool ok = FALSE;
+ bool ok wxDUMMY_INITIALIZE(false);
wxDDEClient client;
wxConnectionBase *conn = client.MakeConnection(wxEmptyString,
}
else // connected to DDE server
{
- // the added complication here is that although most
- // programs use XTYP_EXECUTE for their DDE API, some
- // important ones - like IE and other MS stuff - use
- // XTYP_REQUEST!
+ // the added complication here is that although most programs use
+ // XTYP_EXECUTE for their DDE API, some important ones -- like Word
+ // and other MS stuff - use XTYP_REQUEST!
//
- // so we try one first and then the other one if it
- // failed
+ // moreover, anotheri mportant program (IE) understands both but
+ // returns an error from Execute() so we must try Request() first
+ // to avoid doing it twice
{
+ // we're prepared for this one to fail, so don't show errors
wxLogNull noErrors;
- ok = conn->Execute(ddeCommand);
+
+ ok = conn->Request(ddeCommand) != NULL;
}
if ( !ok )
{
- // now try request - but show the errors
- ok = conn->Request(ddeCommand) != NULL;
+ // now try execute -- but show the errors
+ ok = conn->Execute(ddeCommand);
}
}
}
#endif // wxUSE_STREAMS
- // register the class for the hidden window used for the notifications
- if ( !gs_classForHiddenWindow )
- {
- gs_classForHiddenWindow = _T("wxHiddenWindow");
-
- WNDCLASS wndclass;
- wxZeroMemory(wndclass);
- wndclass.lpfnWndProc = (WNDPROC)wxExecuteWindowCbk;
- wndclass.hInstance = wxGetInstance();
- wndclass.lpszClassName = gs_classForHiddenWindow;
-
- if ( !::RegisterClass(&wndclass) )
- {
- wxLogLastError(wxT("RegisterClass(hidden window)"));
- }
- }
-
// create a hidden window to receive notification about process
// termination
-#ifdef __WXWINCE__
- HWND hwnd = ::CreateWindow(gs_classForHiddenWindow, NULL,
- WS_OVERLAPPED,
- 0, 0, 0, 0, NULL,
- (HMENU)NULL, wxGetInstance(), 0);
-#else
- HWND hwnd = ::CreateWindow(gs_classForHiddenWindow, NULL,
- WS_OVERLAPPEDWINDOW,
- 0, 0, 0, 0, NULL,
- (HMENU)NULL, wxGetInstance(), 0);
-#endif
+ HWND hwnd = wxCreateHiddenWindow
+ (
+ &gs_classForHiddenWindow,
+ wxMSWEXEC_WNDCLASSNAME,
+ (WNDPROC)wxExecuteWindowCbk
+ );
+
wxASSERT_MSG( hwnd, wxT("can't create a hidden window for wxExecute") );
// Alloc data
// ok, process ready to accept DDE requests
ok = wxExecuteDDE(ddeServer, ddeTopic, ddeCommand);
}
+
+ if ( !ok )
+ {
+ wxLogDebug(_T("Failed to send DDE request to the process \"%s\"."),
+ cmd.c_str());
+ }
}
#endif // wxUSE_IPC
projects / wxWidgets.git / blobdiff