Robert Lang's patch [ 1583183 ] Fixes printing/print preview inconsistencies

[wxWidgets.git] / src / msw / utilsexc.cpp

diff --git a/src/msw/utilsexc.cpp b/src/msw/utilsexc.cpp
index 5ba14aad626e2a7064579b3221400dce7ed35da7..1e7e5d3d0a0f8e801190e2fe63c5f4b45619144e 100644 (file)
--- a/src/msw/utilsexc.cpp
+++ b/src/msw/utilsexc.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/utilsexec.cpp
+// Name:        src/msw/utilsexc.cpp
 // Purpose:     wxExecute implementation for MSW
 // Author:      Julian Smart
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -33,14 +29,16 @@
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/log.h"
+    #if wxUSE_STREAMS
+        #include "wx/stream.h"
+    #endif
+    #include "wx/module.h"
 #endif
 
-#include "wx/stream.h"
 #include "wx/process.h"
 
 #include "wx/apptrait.h"
 
-#include "wx/module.h"
 
 #include "wx/msw/private.h"
 
@@ -385,7 +383,7 @@ bool wxPipeInputStream::CanRead() const
             wxLogLastError(_T("PeekNamedPipe"));
         }
 
-        // don't try to continue reading from a pipe if an error occured or if
+        // don't try to continue reading from a pipe if an error occurred or if
         // it had been closed
         ::CloseHandle(m_hInput);
 
@@ -417,7 +415,7 @@ size_t wxPipeInputStream::OnSysRead(void *buffer, size_t len)
                         : wxSTREAM_READ_ERROR;
     }
 
-    // bytesRead is set to 0, as desired, if an error occured
+    // bytesRead is set to 0, as desired, if an error occurred
     return bytesRead;
 }
 
@@ -487,16 +485,16 @@ size_t wxPipeOutputStream::OnSysWrite(const void *buffer, size_t len)
 #if wxUSE_IPC
 
 // connect to the given server via DDE and ask it to execute the command
-static bool wxExecuteDDE(const wxString& ddeServer,
-                         const wxString& ddeTopic,
-                         const wxString& ddeCommand)
+bool
+wxExecuteDDE(const wxString& ddeServer,
+             const wxString& ddeTopic,
+             const wxString& ddeCommand)
 {
     bool ok wxDUMMY_INITIALIZE(false);
 
     wxDDEClient client;
-    wxConnectionBase *conn = client.MakeConnection(wxEmptyString,
-                                                   ddeServer,
-                                                   ddeTopic);
+    wxConnectionBase *
+        conn = client.MakeConnection(wxEmptyString, ddeServer, ddeTopic);
     if ( !conn )
     {
         ok = false;
@@ -531,7 +529,7 @@ static bool wxExecuteDDE(const wxString& ddeServer,
 
 long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
 {
-    wxCHECK_MSG( !cmd.IsEmpty(), 0, wxT("empty command in wxExecute") );
+    wxCHECK_MSG( !cmd.empty(), 0, wxT("empty command in wxExecute") );
 
 #if wxUSE_THREADS
     // for many reasons, the code below breaks down if it's called from another
@@ -710,23 +708,37 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
 
     PROCESS_INFORMATION pi;
     DWORD dwFlags = CREATE_SUSPENDED;
+
 #ifndef __WXWINCE__
     dwFlags |= CREATE_DEFAULT_ERROR_MODE ;
+#else
+    // we are assuming commands without spaces for now
+    wxString moduleName = command.BeforeFirst(wxT(' '));
+    wxString arguments = command.AfterFirst(wxT(' '));
 #endif
 
     bool ok = ::CreateProcess
                 (
-                 NULL,              // application name (use only cmd line)
+                    // WinCE requires appname to be non null
+                    // Win32 allows for null
+#ifdef __WXWINCE__
                  (wxChar *)
-                 command.c_str(),   // full command line
-                 NULL,              // security attributes: defaults for both
-                 NULL,              //   the process and its main thread
-                 redirect,          // inherit handles if we use pipes
-                 dwFlags,           // process creation flags
-                 NULL,              // environment (use the same)
-                 NULL,              // current directory (use the same)
-                 &si,               // startup info (unused here)
-                 &pi                // process info
+                 moduleName.c_str(), // application name
+                 (wxChar *)
+                 arguments.c_str(),  // arguments
+#else
+                 NULL,               // application name (use only cmd line)
+                 (wxChar *)
+                 command.c_str(),    // full command line
+#endif
+                 NULL,               // security attributes: defaults for both
+                 NULL,               //   the process and its main thread
+                 redirect,           // inherit handles if we use pipes
+                 dwFlags,            // process creation flags
+                 NULL,               // environment (use the same)
+                 NULL,               // current directory (use the same)
+                 &si,                // startup info (unused here)
+                 &pi                 // process info
                 ) != 0;
 
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
@@ -888,14 +900,12 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
         return pi.dwProcessId;
     }
 
-    wxAppTraits *traits = NULL;
-    void *cookie wxDUMMY_INITIALIZE(NULL);
+    wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+    wxCHECK_MSG( traits, -1, _T("no wxAppTraits in wxExecute()?") );
+
+    void *cookie = NULL;
     if ( !(flags & wxEXEC_NODISABLE) )
     {
-        if ( wxTheApp )
-            traits = wxTheApp->GetTraits();
-        wxCHECK_MSG( traits, -1, _T("no wxAppTraits in wxExecute()?") );
-
         // disable all app windows while waiting for the child process to finish
         cookie = traits->BeforeChildWaitLoop();
     }
@@ -916,8 +926,11 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
         traits->AlwaysYield();
     }
 
-    if ( traits )
+    if ( !(flags & wxEXEC_NODISABLE) )
+    {
+        // reenable disabled windows back
         traits->AfterChildWaitLoop(cookie);
+    }
 
     DWORD dwExitCode = data->dwExitCode;
     delete data;
@@ -941,4 +954,3 @@ long wxExecute(wxChar **argv, int flags, wxProcess *handler)
 
     return wxExecute(command, flags, handler);
 }
-