Use template class instead of template function in wxVectorSort().

[wxWidgets.git] / samples / exec / exec.cpp

diff --git a/samples/exec/exec.cpp b/samples/exec/exec.cpp
index 6cff3c090cc42777bde483d1fe62f190acc9aac0..ab63144a8e8d11fa30e9636304cca83bc971a3d5 100644 (file)
--- a/samples/exec/exec.cpp
+++ b/samples/exec/exec.cpp
@@ -53,6 +53,7 @@
 #include "wx/numdlg.h"
 #include "wx/textdlg.h"
 #include "wx/ffile.h"
 #include "wx/numdlg.h"
 #include "wx/textdlg.h"
 #include "wx/ffile.h"

+#include "wx/stopwatch.h"

 
 #include "wx/process.h"
 
 
 #include "wx/process.h"
 


@@ -81,14 +82,18 @@ public:
 
 // Define an array of process pointers used by MyFrame
 class MyPipedProcess;
 
 // Define an array of process pointers used by MyFrame
 class MyPipedProcess;

-WX_DEFINE_ARRAY_PTR(MyPipedProcess *, MyProcessesArray);
+WX_DEFINE_ARRAY_PTR(MyPipedProcess *, MyPipedProcessesArray);
+
+class MyProcess;
+WX_DEFINE_ARRAY_PTR(MyProcess *, MyProcessesArray);

 
 // Define a new frame type: this is going to be our main frame
 class MyFrame : public wxFrame
 {
 public:
 
 // Define a new frame type: this is going to be our main frame
 class MyFrame : public wxFrame
 {
 public:

-    // ctor(s)
+    // ctor and dtor

     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);

+    virtual ~MyFrame();

 
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);
 
     // event handlers (these functions should _not_ be virtual)
     void OnQuit(wxCommandEvent& event);


@@ -110,18 +115,25 @@ public:
     void OnPOpen(wxCommandEvent& event);
 
     void OnFileExec(wxCommandEvent& event);
     void OnPOpen(wxCommandEvent& event);
 
     void OnFileExec(wxCommandEvent& event);

+    void OnFileLaunch(wxCommandEvent& event);

     void OnOpenURL(wxCommandEvent& event);
 
     void OnAbout(wxCommandEvent& event);
 
     // polling output of async processes
     void OnOpenURL(wxCommandEvent& event);
 
     void OnAbout(wxCommandEvent& event);
 
     // polling output of async processes

-    void OnTimer(wxTimerEvent& event);
+    void OnIdleTimer(wxTimerEvent& event);

     void OnIdle(wxIdleEvent& event);
 
     // for MyPipedProcess
     void OnProcessTerminated(MyPipedProcess *process);
     wxListBox *GetLogListBox() const { return m_lbox; }
 
     void OnIdle(wxIdleEvent& event);
 
     // for MyPipedProcess
     void OnProcessTerminated(MyPipedProcess *process);
     wxListBox *GetLogListBox() const { return m_lbox; }
 

+    // for MyProcess
+    void OnAsyncTermination(MyProcess *process);
+
+    // timer updating a counter in the background
+    void OnBgTimer(wxTimerEvent& event);
+

 private:
     void ShowOutput(const wxString& cmd,
                     const wxArrayString& output,
 private:
     void ShowOutput(const wxString& cmd,
                     const wxArrayString& output,


@@ -129,30 +141,11 @@ private:
 
     void DoAsyncExec(const wxString& cmd);
 
 
     void DoAsyncExec(const wxString& cmd);
 

-    void AddAsyncProcess(MyPipedProcess *process)
-    {
-        if ( m_running.IsEmpty() )
-        {
-            // we want to start getting the timer events to ensure that a
-            // steady stream of idle events comes in -- otherwise we
-            // wouldn't be able to poll the child process input
-            m_timerIdleWakeUp.Start(100);
-        }
-        //else: the timer is already running
+    void AddAsyncProcess(MyProcess *process) { m_allAsync.push_back(process); }

 
 

-        m_running.Add(process);
-    }
+    void AddPipedProcess(MyPipedProcess *process);
+    void RemovePipedProcess(MyPipedProcess *process);

 
 

-    void RemoveAsyncProcess(MyPipedProcess *process)
-    {
-        m_running.Remove(process);
-
-        if ( m_running.IsEmpty() )
-        {
-            // we don't need to get idle events all the time any more
-            m_timerIdleWakeUp.Stop();
-        }
-    }

 
     // the PID of the last process we launched asynchronously
     long m_pidLast;
 
     // the PID of the last process we launched asynchronously
     long m_pidLast;


@@ -174,11 +167,19 @@ private:
 
     wxListBox *m_lbox;
 
 
     wxListBox *m_lbox;
 

-    MyProcessesArray m_running;
+    // array of running processes with redirected IO
+    MyPipedProcessesArray m_running;
+
+    // array of all asynchrously running processes
+    MyProcessesArray m_allAsync;

 
     // the idle event wake up timer
     wxTimer m_timerIdleWakeUp;
 
 
     // the idle event wake up timer
     wxTimer m_timerIdleWakeUp;
 

+    // a background timer allowing to easily check visually whether the
+    // messages are processed or not
+    wxTimer m_timerBg;
+

     // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 };
     // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 };


@@ -208,7 +209,7 @@ protected:
     void DoSend()
     {
         wxString s(m_textOut->GetValue());
     void DoSend()
     {
         wxString s(m_textOut->GetValue());

-        s += _T('\n');
+        s += wxT('\n');

         m_out.Write(s.c_str(), s.length());
         m_textOut->Clear();
 
         m_out.Write(s.c_str(), s.length());
         m_textOut->Clear();
 


@@ -299,6 +300,10 @@ private:
 // IDs for the controls and the menu commands
 enum
 {
 // IDs for the controls and the menu commands
 enum
 {

+    // timer ids
+    Exec_TimerIdle = 10,
+    Exec_TimerBg,
+

     // menu items
     Exec_Quit = 100,
     Exec_Kill,
     // menu items
     Exec_Quit = 100,
     Exec_Kill,


@@ -311,12 +316,13 @@ enum
     Exec_Shell,
     Exec_POpen,
     Exec_OpenFile,
     Exec_Shell,
     Exec_POpen,
     Exec_OpenFile,

+    Exec_LaunchFile,

     Exec_OpenURL,
     Exec_DDEExec,
     Exec_DDERequest,
     Exec_Redirect,
     Exec_Pipe,
     Exec_OpenURL,
     Exec_DDEExec,
     Exec_DDERequest,
     Exec_Redirect,
     Exec_Pipe,

-    Exec_About = 300,
+    Exec_About = wxID_ABOUT,

 
     // control ids
     Exec_Btn_Send = 1000,
 
     // control ids
     Exec_Btn_Send = 1000,


@@ -325,7 +331,7 @@ enum
     Exec_Btn_Close
 };
 
     Exec_Btn_Close
 };
 

-static const wxChar *DIALOG_TITLE = _T("Exec sample");
+static const wxChar *DIALOG_TITLE = wxT("Exec sample");

 
 // ----------------------------------------------------------------------------
 // event tables and other macros for wxWidgets
 
 // ----------------------------------------------------------------------------
 // event tables and other macros for wxWidgets


@@ -351,6 +357,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Exec_POpen, MyFrame::OnPOpen)
 
     EVT_MENU(Exec_OpenFile, MyFrame::OnFileExec)
     EVT_MENU(Exec_POpen, MyFrame::OnPOpen)
 
     EVT_MENU(Exec_OpenFile, MyFrame::OnFileExec)

+    EVT_MENU(Exec_LaunchFile, MyFrame::OnFileLaunch)

     EVT_MENU(Exec_OpenURL, MyFrame::OnOpenURL)
 
 #ifdef __WINDOWS__
     EVT_MENU(Exec_OpenURL, MyFrame::OnOpenURL)
 
 #ifdef __WINDOWS__


@@ -362,7 +369,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 
     EVT_IDLE(MyFrame::OnIdle)
 
 
     EVT_IDLE(MyFrame::OnIdle)
 

-    EVT_TIMER(wxID_ANY, MyFrame::OnTimer)
+    EVT_TIMER(Exec_TimerIdle, MyFrame::OnIdleTimer)
+    EVT_TIMER(Exec_TimerBg, MyFrame::OnBgTimer)

 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyPipeFrame, wxFrame)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyPipeFrame, wxFrame)


@@ -400,7 +408,7 @@ bool MyApp::OnInit()
         return false;
 
     // Create the main application window
         return false;
 
     // Create the main application window

-    MyFrame *frame = new MyFrame(_T("Exec wxWidgets sample"),
+    MyFrame *frame = new MyFrame(wxT("Exec wxWidgets sample"),

                                  wxDefaultPosition, wxSize(500, 140));
 
     // Show it and tell the application that it's our main window
                                  wxDefaultPosition, wxSize(500, 140));
 
     // Show it and tell the application that it's our main window


@@ -424,7 +432,8 @@ bool MyApp::OnInit()
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size),
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
        : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size),

-         m_timerIdleWakeUp(this)
+         m_timerIdleWakeUp(this, Exec_TimerIdle),
+         m_timerBg(this, Exec_TimerBg)

 {
     m_pidLast = 0;
 
 {
     m_pidLast = 0;
 


@@ -436,53 +445,55 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
     // create a menu bar
     wxMenu *menuFile = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
 
     // create a menu bar
     wxMenu *menuFile = new wxMenu(wxEmptyString, wxMENU_TEAROFF);

-    menuFile->Append(Exec_Kill, _T("&Kill process...\tCtrl-K"),
-                     _T("Kill a process by PID"));
+    menuFile->Append(Exec_Kill, wxT("&Kill process...\tCtrl-K"),
+                     wxT("Kill a process by PID"));

     menuFile->AppendSeparator();
     menuFile->AppendSeparator();

-    menuFile->Append(Exec_ClearLog, _T("&Clear log\tCtrl-L"),
-                     _T("Clear the log window"));
+    menuFile->Append(Exec_ClearLog, wxT("&Clear log\tCtrl-L"),
+                     wxT("Clear the log window"));

     menuFile->AppendSeparator();
     menuFile->AppendSeparator();

-    menuFile->Append(Exec_BeginBusyCursor, _T("Show &busy cursor\tCtrl-C"));
-    menuFile->Append(Exec_EndBusyCursor, _T("Show &normal cursor\tShift-Ctrl-C"));
+    menuFile->Append(Exec_BeginBusyCursor, wxT("Show &busy cursor\tCtrl-C"));
+    menuFile->Append(Exec_EndBusyCursor, wxT("Show &normal cursor\tShift-Ctrl-C"));

     menuFile->AppendSeparator();
     menuFile->AppendSeparator();

-    menuFile->Append(Exec_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
+    menuFile->Append(Exec_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));

 
     wxMenu *execMenu = new wxMenu;
 
     wxMenu *execMenu = new wxMenu;

-    execMenu->Append(Exec_SyncExec, _T("Sync &execution...\tCtrl-E"),
-                     _T("Launch a program and return when it terminates"));
-    execMenu->Append(Exec_SyncNoEventsExec, _T("Sync execution and &block...\tCtrl-B"),
-                     _T("Launch a program and block until it terminates"));
-    execMenu->Append(Exec_AsyncExec, _T("&Async execution...\tCtrl-A"),
-                     _T("Launch a program and return immediately"));
-    execMenu->Append(Exec_Shell, _T("Execute &shell command...\tCtrl-S"),
-                     _T("Launch a shell and execute a command in it"));
+    execMenu->Append(Exec_SyncExec, wxT("Sync &execution...\tCtrl-E"),
+                     wxT("Launch a program and return when it terminates"));
+    execMenu->Append(Exec_SyncNoEventsExec, wxT("Sync execution and &block...\tCtrl-B"),
+                     wxT("Launch a program and block until it terminates"));
+    execMenu->Append(Exec_AsyncExec, wxT("&Async execution...\tCtrl-A"),
+                     wxT("Launch a program and return immediately"));
+    execMenu->Append(Exec_Shell, wxT("Execute &shell command...\tCtrl-S"),
+                     wxT("Launch a shell and execute a command in it"));

     execMenu->AppendSeparator();
     execMenu->AppendSeparator();

-    execMenu->Append(Exec_Redirect, _T("Capture command &output...\tCtrl-O"),
-                     _T("Launch a program and capture its output"));
-    execMenu->Append(Exec_Pipe, _T("&Pipe through command..."),
-                     _T("Pipe a string through a filter"));
-    execMenu->Append(Exec_POpen, _T("&Open a pipe to a command...\tCtrl-P"),
-                     _T("Open a pipe to and from another program"));
+    execMenu->Append(Exec_Redirect, wxT("Capture command &output...\tCtrl-O"),
+                     wxT("Launch a program and capture its output"));
+    execMenu->Append(Exec_Pipe, wxT("&Pipe through command..."),
+                     wxT("Pipe a string through a filter"));
+    execMenu->Append(Exec_POpen, wxT("&Open a pipe to a command...\tCtrl-P"),
+                     wxT("Open a pipe to and from another program"));

 
     execMenu->AppendSeparator();
 
     execMenu->AppendSeparator();

-    execMenu->Append(Exec_OpenFile, _T("Open &file...\tCtrl-F"),
-                     _T("Launch the command to open this kind of files"));
-    execMenu->Append(Exec_OpenURL, _T("Open &URL...\tCtrl-U"),
-                     _T("Launch the default browser with the given URL"));
+    execMenu->Append(Exec_OpenFile, wxT("Open &file...\tCtrl-F"),
+                     wxT("Launch the command to open this kind of files"));
+    execMenu->Append(Exec_LaunchFile, wxT("La&unch file...\tShift-Ctrl-F"),
+                     wxT("Launch the default application associated with the file"));
+    execMenu->Append(Exec_OpenURL, wxT("Open &URL...\tCtrl-U"),
+                     wxT("Launch the default browser with the given URL"));

 #ifdef __WINDOWS__
     execMenu->AppendSeparator();
 #ifdef __WINDOWS__
     execMenu->AppendSeparator();

-    execMenu->Append(Exec_DDEExec, _T("Execute command via &DDE...\tCtrl-D"));
-    execMenu->Append(Exec_DDERequest, _T("Send DDE &request...\tCtrl-R"));
+    execMenu->Append(Exec_DDEExec, wxT("Execute command via &DDE...\tCtrl-D"));
+    execMenu->Append(Exec_DDERequest, wxT("Send DDE &request...\tCtrl-R"));

 #endif
 
     wxMenu *helpMenu = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
 #endif
 
     wxMenu *helpMenu = new wxMenu(wxEmptyString, wxMENU_TEAROFF);

-    helpMenu->Append(Exec_About, _T("&About...\tF1"), _T("Show about dialog"));
+    helpMenu->Append(Exec_About, wxT("&About...\tF1"), wxT("Show about dialog"));

 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();

-    menuBar->Append(menuFile, _T("&File"));
-    menuBar->Append(execMenu, _T("&Exec"));
-    menuBar->Append(helpMenu, _T("&Help"));
+    menuBar->Append(menuFile, wxT("&File"));
+    menuBar->Append(execMenu, wxT("&Exec"));
+    menuBar->Append(helpMenu, wxT("&Help"));

 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);


@@ -496,9 +507,22 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)
 
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)

-    CreateStatusBar();
-    SetStatusText(_T("Welcome to wxWidgets exec sample!"));
+    CreateStatusBar(2);
+    SetStatusText(wxT("Welcome to wxWidgets exec sample!"));

 #endif // wxUSE_STATUSBAR
 #endif // wxUSE_STATUSBAR

+
+    m_timerBg.Start(1000);
+}
+
+MyFrame::~MyFrame()
+{
+    // any processes left until now must be deleted manually: normally this is
+    // done when the associated process terminates but it must be still running
+    // if this didn't happen until now
+    for ( size_t n = 0; n < m_allAsync.size(); n++ )
+    {
+        delete m_allAsync[n];
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -528,15 +552,15 @@ void MyFrame::OnEndBusyCursor(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {

-    wxMessageBox(_T("Exec wxWidgets Sample\n(c) 2000-2002 Vadim Zeitlin"),
-                 _T("About Exec"), wxOK | wxICON_INFORMATION, this);
+    wxMessageBox(wxT("Exec wxWidgets Sample\n(c) 2000-2002 Vadim Zeitlin"),
+                 wxT("About Exec"), wxOK | wxICON_INFORMATION, this);

 }
 
 void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
 {

-    long pid = wxGetNumberFromUser(_T("Please specify the process to kill"),
-                                   _T("Enter PID:"),
-                                   _T("Exec question"),
+    long pid = wxGetNumberFromUser(wxT("Please specify the process to kill"),
+                                   wxT("Enter PID:"),
+                                   wxT("Exec question"),

                                    m_pidLast,
                                    // we need the full unsigned int range
                                    -INT_MAX, INT_MAX,
                                    m_pidLast,
                                    // we need the full unsigned int range
                                    -INT_MAX, INT_MAX,


@@ -549,32 +573,32 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
 
     static const wxString signalNames[] =
     {
 
     static const wxString signalNames[] =
     {

-        _T("Just test (SIGNONE)"),
-        _T("Hangup (SIGHUP)"),
-        _T("Interrupt (SIGINT)"),
-        _T("Quit (SIGQUIT)"),
-        _T("Illegal instruction (SIGILL)"),
-        _T("Trap (SIGTRAP)"),
-        _T("Abort (SIGABRT)"),
-        _T("Emulated trap (SIGEMT)"),
-        _T("FP exception (SIGFPE)"),
-        _T("Kill (SIGKILL)"),
-        _T("Bus (SIGBUS)"),
-        _T("Segment violation (SIGSEGV)"),
-        _T("System (SIGSYS)"),
-        _T("Broken pipe (SIGPIPE)"),
-        _T("Alarm (SIGALRM)"),
-        _T("Terminate (SIGTERM)"),
+        wxT("Just test (SIGNONE)"),
+        wxT("Hangup (SIGHUP)"),
+        wxT("Interrupt (SIGINT)"),
+        wxT("Quit (SIGQUIT)"),
+        wxT("Illegal instruction (SIGILL)"),
+        wxT("Trap (SIGTRAP)"),
+        wxT("Abort (SIGABRT)"),
+        wxT("Emulated trap (SIGEMT)"),
+        wxT("FP exception (SIGFPE)"),
+        wxT("Kill (SIGKILL)"),
+        wxT("Bus (SIGBUS)"),
+        wxT("Segment violation (SIGSEGV)"),
+        wxT("System (SIGSYS)"),
+        wxT("Broken pipe (SIGPIPE)"),
+        wxT("Alarm (SIGALRM)"),
+        wxT("Terminate (SIGTERM)"),

     };
 
     };
 

-    int sig = wxGetSingleChoiceIndex(_T("How to kill the process?"),
-                                     _T("Exec question"),
+    int sig = wxGetSingleChoiceIndex(wxT("How to kill the process?"),
+                                     wxT("Exec question"),

                                      WXSIZEOF(signalNames), signalNames,
                                      this);
     switch ( sig )
     {
         default:
                                      WXSIZEOF(signalNames), signalNames,
                                      this);
     switch ( sig )
     {
         default:

-            wxFAIL_MSG( _T("unexpected return value") );
+            wxFAIL_MSG( wxT("unexpected return value") );

             // fall through
 
         case -1:
             // fall through
 
         case -1:


@@ -603,29 +627,33 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
     if ( sig == 0 )
     {
         if ( wxProcess::Exists(pid) )
     if ( sig == 0 )
     {
         if ( wxProcess::Exists(pid) )

-            wxLogStatus(_T("Process %ld is running."), pid);
+        {
+            wxLogStatus(wxT("Process %ld is running."), pid);
+        }

         else
         else

-            wxLogStatus(_T("No process with pid = %ld."), pid);
+        {
+            wxLogStatus(wxT("No process with pid = %ld."), pid);
+        }

     }
     else // not SIGNONE
     {
         wxKillError rc = wxProcess::Kill(pid, (wxSignal)sig);
         if ( rc == wxKILL_OK )
         {
     }
     else // not SIGNONE
     {
         wxKillError rc = wxProcess::Kill(pid, (wxSignal)sig);
         if ( rc == wxKILL_OK )
         {

-            wxLogStatus(_T("Process %ld killed with signal %d."), pid, sig);
+            wxLogStatus(wxT("Process %ld killed with signal %d."), pid, sig);

         }
         else
         {
             static const wxChar *errorText[] =
             {
         }
         else
         {
             static const wxChar *errorText[] =
             {

-                _T(""), // no error
-                _T("signal not supported"),
-                _T("permission denied"),
-                _T("no such process"),
-                _T("unspecified error"),
+                wxT(""), // no error
+                wxT("signal not supported"),
+                wxT("permission denied"),
+                wxT("no such process"),
+                wxT("unspecified error"),

             };
 
             };
 

-            wxLogStatus(_T("Failed to kill process %ld with signal %d: %s"),
+            wxLogStatus(wxT("Failed to kill process %ld with signal %d: %s"),

                         pid, sig, errorText[rc]);
         }
     }
                         pid, sig, errorText[rc]);
         }
     }


@@ -637,37 +665,40 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::DoAsyncExec(const wxString& cmd)
 {
 
 void MyFrame::DoAsyncExec(const wxString& cmd)
 {

-    wxProcess *process = new MyProcess(this, cmd);
+    MyProcess * const process = new MyProcess(this, cmd);

     m_pidLast = wxExecute(cmd, wxEXEC_ASYNC, process);
     if ( !m_pidLast )
     {
     m_pidLast = wxExecute(cmd, wxEXEC_ASYNC, process);
     if ( !m_pidLast )
     {

-        wxLogError( _T("Execution of '%s' failed."), cmd.c_str() );
+        wxLogError(wxT("Execution of '%s' failed."), cmd.c_str());

 
         delete process;
     }
     else
     {
 
         delete process;
     }
     else
     {

-        wxLogStatus( _T("Process %ld (%s) launched."),
-            m_pidLast, cmd.c_str() );
+        wxLogStatus(wxT("Process %ld (%s) launched."), m_pidLast, cmd.c_str());

 
         m_cmdLast = cmd;
 
         m_cmdLast = cmd;

+
+        // the parent frame keeps track of all async processes as it needs to
+        // free them if we exit before the child process terminates
+        AddAsyncProcess(process);

     }
 }
 
 void MyFrame::OnSyncExec(wxCommandEvent& WXUNUSED(event))
 {
     }
 }
 
 void MyFrame::OnSyncExec(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 

-    wxLogStatus( _T("'%s' is running please wait..."), cmd.c_str() );
+    wxLogStatus( wxT("'%s' is running please wait..."), cmd.c_str() );

 
     int code = wxExecute(cmd, wxEXEC_SYNC);
 
 
     int code = wxExecute(cmd, wxEXEC_SYNC);
 

-    wxLogStatus(_T("Process '%s' terminated with exit code %d."),
+    wxLogStatus(wxT("Process '%s' terminated with exit code %d."),

         cmd.c_str(), code);
 
     m_cmdLast = cmd;
         cmd.c_str(), code);
 
     m_cmdLast = cmd;


@@ -675,18 +706,18 @@ void MyFrame::OnSyncExec(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnSyncNoEventsExec(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnSyncNoEventsExec(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 

-    wxLogStatus( _T("'%s' is running please wait..."), cmd.c_str() );
+    wxLogStatus( wxT("'%s' is running please wait..."), cmd.c_str() );

 
     int code = wxExecute(cmd, wxEXEC_BLOCK);
 
 
     int code = wxExecute(cmd, wxEXEC_BLOCK);
 

-    wxLogStatus(_T("Process '%s' terminated with exit code %d."),
+    wxLogStatus(wxT("Process '%s' terminated with exit code %d."),

         cmd.c_str(), code);
 
     m_cmdLast = cmd;
         cmd.c_str(), code);
 
     m_cmdLast = cmd;


@@ -694,7 +725,7 @@ void MyFrame::OnSyncNoEventsExec(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnAsyncExec(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnAsyncExec(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 


@@ -706,7 +737,7 @@ void MyFrame::OnAsyncExec(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnShell(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnShell(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 


@@ -714,14 +745,23 @@ void MyFrame::OnShell(wxCommandEvent& WXUNUSED(event))
         return;
 
     int code = wxShell(cmd);
         return;
 
     int code = wxShell(cmd);

-    wxLogStatus(_T("Shell command '%s' terminated with exit code %d."),
+    wxLogStatus(wxT("Shell command '%s' terminated with exit code %d."),

                 cmd.c_str(), code);
     m_cmdLast = cmd;
 }
 
 void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
 {
                 cmd.c_str(), code);
     m_cmdLast = cmd;
 }
 
 void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    if ( !m_cmdLast )
+    {
+#ifdef __WXMSW__
+        m_cmdLast = "type Makefile.in";
+#else
+        m_cmdLast = "cat -n Makefile";
+#endif
+    }
+
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 


@@ -729,8 +769,8 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
         return;
 
     bool sync;
         return;
 
     bool sync;

-    switch ( wxMessageBox(_T("Execute it synchronously?"),
-                          _T("Exec question"),
+    switch ( wxMessageBox(wxT("Execute it synchronously?"),
+                          wxT("Exec question"),

                           wxYES_NO | wxCANCEL | wxICON_QUESTION, this) )
     {
         case wxYES:
                           wxYES_NO | wxCANCEL | wxICON_QUESTION, this) )
     {
         case wxYES:


@@ -747,15 +787,20 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
 
     if ( sync )
     {
 
     if ( sync )
     {

+        wxLogStatus("\"%s\" is running please wait...", cmd);
+
+        wxStopWatch sw;
+

         wxArrayString output, errors;
         int code = wxExecute(cmd, output, errors);
         wxArrayString output, errors;
         int code = wxExecute(cmd, output, errors);

-        wxLogStatus(_T("command '%s' terminated with exit code %d."),
-                    cmd.c_str(), code);
+
+        wxLogStatus("Command \"%s\" terminated after %ldms; exit code %d.",
+                    cmd, sw.Time(), code);

 
         if ( code != -1 )
         {
 
         if ( code != -1 )
         {

-            ShowOutput(cmd, output, _T("Output"));
-            ShowOutput(cmd, errors, _T("Errors"));
+            ShowOutput(cmd, output, wxT("Output"));
+            ShowOutput(cmd, errors, wxT("Errors"));

         }
     }
     else // async exec
         }
     }
     else // async exec


@@ -763,13 +808,13 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
         MyPipedProcess *process = new MyPipedProcess(this, cmd);
         if ( !wxExecute(cmd, wxEXEC_ASYNC, process) )
         {
         MyPipedProcess *process = new MyPipedProcess(this, cmd);
         if ( !wxExecute(cmd, wxEXEC_ASYNC, process) )
         {

-            wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
+            wxLogError(wxT("Execution of '%s' failed."), cmd.c_str());

 
             delete process;
         }
         else
         {
 
             delete process;
         }
         else
         {

-            AddAsyncProcess(process);
+            AddPipedProcess(process);

         }
     }
 
         }
     }
 


@@ -779,16 +824,16 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
 void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event))
 {
     if ( !m_cmdLast )
 void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event))
 {
     if ( !m_cmdLast )

-        m_cmdLast = _T("tr [a-z] [A-Z]");
+        m_cmdLast = wxT("tr [a-z] [A-Z]");

 
 

-    wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 
                                      DIALOG_TITLE,
                                      m_cmdLast);
 
     if ( !cmd )
         return;
 

-    wxString input = wxGetTextFromUser(_T("Enter the string to send to it: "),
+    wxString input = wxGetTextFromUser(wxT("Enter the string to send to it: "),

                                        DIALOG_TITLE);
     if ( !input )
         return;
                                        DIALOG_TITLE);
     if ( !input )
         return;


@@ -798,13 +843,13 @@ void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event))
     long pid = wxExecute(cmd, wxEXEC_ASYNC, process);
     if ( pid )
     {
     long pid = wxExecute(cmd, wxEXEC_ASYNC, process);
     if ( pid )
     {

-        wxLogStatus( _T("Process %ld (%s) launched."), pid, cmd.c_str() );
+        wxLogStatus(wxT("Process %ld (%s) launched."), pid, cmd.c_str());

 
 

-        AddAsyncProcess(process);
+        AddPipedProcess(process);

     }
     else
     {
     }
     else
     {

-        wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
+        wxLogError(wxT("Execution of '%s' failed."), cmd.c_str());

 
         delete process;
     }
 
         delete process;
     }


@@ -814,7 +859,7 @@ void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnPOpen(wxCommandEvent& WXUNUSED(event))
 {
 
 void MyFrame::OnPOpen(wxCommandEvent& WXUNUSED(event))
 {

-    wxString cmd = wxGetTextFromUser(_T("Enter the command to launch: "),
+    wxString cmd = wxGetTextFromUser(wxT("Enter the command to launch: "),

                                      DIALOG_TITLE,
                                      m_cmdLast);
     if ( cmd.empty() )
                                      DIALOG_TITLE,
                                      m_cmdLast);
     if ( cmd.empty() )


@@ -823,63 +868,71 @@ void MyFrame::OnPOpen(wxCommandEvent& WXUNUSED(event))
     wxProcess *process = wxProcess::Open(cmd);
     if ( !process )
     {
     wxProcess *process = wxProcess::Open(cmd);
     if ( !process )
     {

-        wxLogError(_T("Failed to launch the command."));
+        wxLogError(wxT("Failed to launch the command."));

         return;
     }
 
         return;
     }
 

-    wxLogVerbose(_T("PID of the new process: %ld"), process->GetPid());
+    wxLogVerbose(wxT("PID of the new process: %ld"), process->GetPid());

 
     wxOutputStream *out = process->GetOutputStream();
     if ( !out )
     {
 
     wxOutputStream *out = process->GetOutputStream();
     if ( !out )
     {

-        wxLogError(_T("Failed to connect to child stdin"));
+        wxLogError(wxT("Failed to connect to child stdin"));

         return;
     }
 
     wxInputStream *in = process->GetInputStream();
     if ( !in )
     {
         return;
     }
 
     wxInputStream *in = process->GetInputStream();
     if ( !in )
     {

-        wxLogError(_T("Failed to connect to child stdout"));
+        wxLogError(wxT("Failed to connect to child stdout"));

         return;
     }
 
     new MyPipeFrame(this, cmd, process);
 }
 
         return;
     }
 
     new MyPipeFrame(this, cmd, process);
 }
 

-void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event))
-{
-    static wxString s_filename;
+static wxString gs_lastFile;

 
 

+static bool AskUserForFileName()
+{

     wxString filename;
 
 #if wxUSE_FILEDLG
     wxString filename;
 
 #if wxUSE_FILEDLG

-    filename = wxLoadFileSelector(_T("any file"), wxEmptyString, s_filename, this);
+    filename = wxLoadFileSelector(wxT("any"), wxEmptyString, gs_lastFile);

 #else // !wxUSE_FILEDLG
 #else // !wxUSE_FILEDLG

-    filename = wxGetTextFromUser(_T("Enter the file name"), _T("exec sample"),
-                                 s_filename, this);
+    filename = wxGetTextFromUser(wxT("Enter the file name"), wxT("exec sample"),
+                                 gs_lastFile);

 #endif // wxUSE_FILEDLG/!wxUSE_FILEDLG
 
     if ( filename.empty() )
 #endif // wxUSE_FILEDLG/!wxUSE_FILEDLG
 
     if ( filename.empty() )

-        return;
+        return false;
+
+    gs_lastFile = filename;
+
+    return true;
+}

 
 

-    s_filename = filename;
+void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event))
+{
+    if ( !AskUserForFileName() )
+        return;

 
 

-    wxString ext = filename.AfterFirst(_T('.'));
+    wxString ext = gs_lastFile.AfterLast(wxT('.'));

     wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
     if ( !ft )
     {
     wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
     if ( !ft )
     {

-        wxLogError(_T("Impossible to determine the file type for extension '%s'"),
+        wxLogError(wxT("Impossible to determine the file type for extension '%s'"),

                    ext.c_str());
         return;
     }
 
     wxString cmd;
     bool ok = ft->GetOpenCommand(&cmd,
                    ext.c_str());
         return;
     }
 
     wxString cmd;
     bool ok = ft->GetOpenCommand(&cmd,

-                                 wxFileType::MessageParameters(filename));
+                                 wxFileType::MessageParameters(gs_lastFile));

     delete ft;
     if ( !ok )
     {
     delete ft;
     if ( !ok )
     {

-        wxLogError(_T("Impossible to find out how to open files of extension '%s'"),
+        wxLogError(wxT("Impossible to find out how to open files of extension '%s'"),

                    ext.c_str());
         return;
     }
                    ext.c_str());
         return;
     }


@@ -887,25 +940,38 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event))
     DoAsyncExec(cmd);
 }
 
     DoAsyncExec(cmd);
 }
 

+void MyFrame::OnFileLaunch(wxCommandEvent& WXUNUSED(event))
+{
+    if ( !AskUserForFileName() )
+        return;
+
+    if ( !wxLaunchDefaultApplication(gs_lastFile) )
+    {
+        wxLogError("Opening \"%s\" in default application failed.", gs_lastFile);
+    }
+}
+

 void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
 {
 void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
 {

-    static wxString s_filename(_T("http://www.wxwidgets.org/"));
+    static wxString s_url(wxT("http://www.wxwidgets.org/"));

 
     wxString filename = wxGetTextFromUser
                         (
 
     wxString filename = wxGetTextFromUser
                         (

-                            _T("Enter the URL"),
-                            _T("exec sample"),
-                            s_filename,
+                            wxT("Enter the URL"),
+                            wxT("exec sample"),
+                            s_url,

                             this
                         );
 
     if ( filename.empty() )
         return;
 
                             this
                         );
 
     if ( filename.empty() )
         return;
 

-    s_filename = filename;
+    s_url = filename;

 
 

-    if ( !wxLaunchDefaultBrowser(s_filename) )
-        wxLogError(_T("Failed to open URL \"%s\""), s_filename.c_str());
+    if ( !wxLaunchDefaultBrowser(s_url) )
+    {
+        wxLogError(wxT("Failed to open URL \"%s\""), s_url.c_str());
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -916,20 +982,20 @@ void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
 
 bool MyFrame::GetDDEServer()
 {
 
 bool MyFrame::GetDDEServer()
 {

-    wxString server = wxGetTextFromUser(_T("Server to connect to:"),
+    wxString server = wxGetTextFromUser(wxT("Server to connect to:"),

                                         DIALOG_TITLE, m_server);
     if ( !server )
         return false;
 
     m_server = server;
 
                                         DIALOG_TITLE, m_server);
     if ( !server )
         return false;
 
     m_server = server;
 

-    wxString topic = wxGetTextFromUser(_T("DDE topic:"), DIALOG_TITLE, m_topic);
+    wxString topic = wxGetTextFromUser(wxT("DDE topic:"), DIALOG_TITLE, m_topic);

     if ( !topic )
         return false;
 
     m_topic = topic;
 
     if ( !topic )
         return false;
 
     m_topic = topic;
 

-    wxString cmd = wxGetTextFromUser(_T("DDE command:"), DIALOG_TITLE, m_cmdDde);
+    wxString cmd = wxGetTextFromUser(wxT("DDE command:"), DIALOG_TITLE, m_cmdDde);

     if ( !cmd )
         return false;
 
     if ( !cmd )
         return false;
 


@@ -947,19 +1013,19 @@ void MyFrame::OnDDEExec(wxCommandEvent& WXUNUSED(event))
     wxConnectionBase *conn = client.MakeConnection(wxEmptyString, m_server, m_topic);
     if ( !conn )
     {
     wxConnectionBase *conn = client.MakeConnection(wxEmptyString, m_server, m_topic);
     if ( !conn )
     {

-        wxLogError(_T("Failed to connect to the DDE server '%s'."),
+        wxLogError(wxT("Failed to connect to the DDE server '%s'."),

                    m_server.c_str());
     }
     else
     {
         if ( !conn->Execute(m_cmdDde) )
         {
                    m_server.c_str());
     }
     else
     {
         if ( !conn->Execute(m_cmdDde) )
         {

-            wxLogError(_T("Failed to execute command '%s' via DDE."),
+            wxLogError(wxT("Failed to execute command '%s' via DDE."),

                        m_cmdDde.c_str());
         }
         else
         {
                        m_cmdDde.c_str());
         }
         else
         {

-            wxLogStatus(_T("Successfully executed DDE command"));
+            wxLogStatus(wxT("Successfully executed DDE command"));

         }
     }
 }
         }
     }
 }


@@ -973,19 +1039,19 @@ void MyFrame::OnDDERequest(wxCommandEvent& WXUNUSED(event))
     wxConnectionBase *conn = client.MakeConnection(wxEmptyString, m_server, m_topic);
     if ( !conn )
     {
     wxConnectionBase *conn = client.MakeConnection(wxEmptyString, m_server, m_topic);
     if ( !conn )
     {

-        wxLogError(_T("Failed to connect to the DDE server '%s'."),
+        wxLogError(wxT("Failed to connect to the DDE server '%s'."),

                    m_server.c_str());
     }
     else
     {
         if ( !conn->Request(m_cmdDde) )
         {
                    m_server.c_str());
     }
     else
     {
         if ( !conn->Request(m_cmdDde) )
         {

-            wxLogError(_T("Failed to  send request '%s' via DDE."),
+            wxLogError(wxT("Failed to  send request '%s' via DDE."),

                        m_cmdDde.c_str());
         }
         else
         {
                        m_cmdDde.c_str());
         }
         else
         {

-            wxLogStatus(_T("Successfully sent DDE request."));
+            wxLogStatus(wxT("Successfully sent DDE request."));

         }
     }
 }
         }
     }
 }


@@ -1009,16 +1075,54 @@ void MyFrame::OnIdle(wxIdleEvent& event)
     }
 }
 
     }
 }
 

-void MyFrame::OnTimer(wxTimerEvent& WXUNUSED(event))
+void MyFrame::OnIdleTimer(wxTimerEvent& WXUNUSED(event))

 {
     wxWakeUpIdle();
 }
 
 {
     wxWakeUpIdle();
 }
 

+void MyFrame::OnBgTimer(wxTimerEvent& WXUNUSED(event))
+{
+    static unsigned long s_ticks = 0;
+    SetStatusText(wxString::Format("%lu ticks", s_ticks++), 1);
+}
+

 void MyFrame::OnProcessTerminated(MyPipedProcess *process)
 {
 void MyFrame::OnProcessTerminated(MyPipedProcess *process)
 {

-    RemoveAsyncProcess(process);
+    RemovePipedProcess(process);
+}
+
+void MyFrame::OnAsyncTermination(MyProcess *process)
+{
+    m_allAsync.Remove(process);
+
+    delete process;
+}
+
+void MyFrame::AddPipedProcess(MyPipedProcess *process)
+{
+    if ( m_running.IsEmpty() )
+    {
+        // we want to start getting the timer events to ensure that a
+        // steady stream of idle events comes in -- otherwise we
+        // wouldn't be able to poll the child process input
+        m_timerIdleWakeUp.Start(100);
+    }
+    //else: the timer is already running
+
+    m_running.Add(process);
+    m_allAsync.Add(process);

 }
 
 }
 

+void MyFrame::RemovePipedProcess(MyPipedProcess *process)
+{
+    m_running.Remove(process);
+
+    if ( m_running.IsEmpty() )
+    {
+        // we don't need to get idle events all the time any more
+        m_timerIdleWakeUp.Stop();
+    }
+}

 
 void MyFrame::ShowOutput(const wxString& cmd,
                          const wxArrayString& output,
 
 void MyFrame::ShowOutput(const wxString& cmd,
                          const wxArrayString& output,


@@ -1028,7 +1132,7 @@ void MyFrame::ShowOutput(const wxString& cmd,
     if ( !count )
         return;
 
     if ( !count )
         return;
 

-    m_lbox->Append(wxString::Format(_T("--- %s of '%s' ---"),
+    m_lbox->Append(wxString::Format(wxT("--- %s of '%s' ---"),

                                     title.c_str(), cmd.c_str()));
 
     for ( size_t n = 0; n < count; n++ )
                                     title.c_str(), cmd.c_str()));
 
     for ( size_t n = 0; n < count; n++ )


@@ -1036,7 +1140,7 @@ void MyFrame::ShowOutput(const wxString& cmd,
         m_lbox->Append(output[n]);
     }
 
         m_lbox->Append(output[n]);
     }
 

-    m_lbox->Append(wxString::Format(_T("--- End of %s ---"),
+    m_lbox->Append(wxString::Format(wxT("--- End of %s ---"),

                                     title.Lower().c_str()));
 }
 
                                     title.Lower().c_str()));
 }
 


@@ -1046,11 +1150,10 @@ void MyFrame::ShowOutput(const wxString& cmd,
 
 void MyProcess::OnTerminate(int pid, int status)
 {
 
 void MyProcess::OnTerminate(int pid, int status)
 {

-    wxLogStatus(m_parent, _T("Process %u ('%s') terminated with exit code %d."),
+    wxLogStatus(m_parent, wxT("Process %u ('%s') terminated with exit code %d."),

                 pid, m_cmd.c_str(), status);
 
                 pid, m_cmd.c_str(), status);
 

-    // we're not needed any more
-    delete this;
+    m_parent->OnAsyncTermination(this);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1067,7 +1170,7 @@ bool MyPipedProcess::HasInput()
 
         // this assumes that the output is always line buffered
         wxString msg;
 
         // this assumes that the output is always line buffered
         wxString msg;

-        msg << m_cmd << _T(" (stdout): ") << tis.ReadLine();
+        msg << m_cmd << wxT(" (stdout): ") << tis.ReadLine();

 
         m_parent->GetLogListBox()->Append(msg);
 
 
         m_parent->GetLogListBox()->Append(msg);
 


@@ -1080,7 +1183,7 @@ bool MyPipedProcess::HasInput()
 
         // this assumes that the output is always line buffered
         wxString msg;
 
         // this assumes that the output is always line buffered
         wxString msg;

-        msg << m_cmd << _T(" (stderr): ") << tis.ReadLine();
+        msg << m_cmd << wxT(" (stderr): ") << tis.ReadLine();

 
         m_parent->GetLogListBox()->Append(msg);
 
 
         m_parent->GetLogListBox()->Append(msg);
 


@@ -1157,13 +1260,13 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent,
 
     wxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
     sizerBtns->
 
     wxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL);
     sizerBtns->

-        Add(new wxButton(panel, Exec_Btn_Send, _T("&Send")), 0, wxALL, 5);
+        Add(new wxButton(panel, Exec_Btn_Send, wxT("&Send")), 0, wxALL, 5);

     sizerBtns->
     sizerBtns->

-        Add(new wxButton(panel, Exec_Btn_SendFile, _T("&File...")), 0, wxALL, 5);
+        Add(new wxButton(panel, Exec_Btn_SendFile, wxT("&File...")), 0, wxALL, 5);

     sizerBtns->
     sizerBtns->

-        Add(new wxButton(panel, Exec_Btn_Get, _T("&Get")), 0, wxALL, 5);
+        Add(new wxButton(panel, Exec_Btn_Get, wxT("&Get")), 0, wxALL, 5);

     sizerBtns->
     sizerBtns->

-        Add(new wxButton(panel, Exec_Btn_Close, _T("&Close")), 0, wxALL, 5);
+        Add(new wxButton(panel, Exec_Btn_Close, wxT("&Close")), 0, wxALL, 5);

 
     sizerTop->Add(sizerBtns, 0, wxCENTRE | wxALL, 5);
     sizerTop->Add(m_textIn, 1, wxGROW | wxALL, 5);
 
     sizerTop->Add(sizerBtns, 0, wxCENTRE | wxALL, 5);
     sizerTop->Add(m_textIn, 1, wxGROW | wxALL, 5);


@@ -1178,11 +1281,11 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent,
 void MyPipeFrame::OnBtnSendFile(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_FILEDLG
 void MyPipeFrame::OnBtnSendFile(wxCommandEvent& WXUNUSED(event))
 {
 #if wxUSE_FILEDLG

-    wxFileDialog filedlg(this, _T("Select file to send"));
+    wxFileDialog filedlg(this, wxT("Select file to send"));

     if ( filedlg.ShowModal() != wxID_OK )
         return;
 
     if ( filedlg.ShowModal() != wxID_OK )
         return;
 

-    wxFFile file(filedlg.GetFilename(), _T("r"));
+    wxFFile file(filedlg.GetFilename(), wxT("r"));

     wxString data;
     if ( !file.IsOpened() || !file.ReadAll(&data) )
         return;
     wxString data;
     if ( !file.IsOpened() || !file.ReadAll(&data) )
         return;


@@ -1221,7 +1324,7 @@ void MyPipeFrame::DoGetFromStream(wxTextCtrl *text, wxInputStream& in)
     while ( in.CanRead() )
     {
         wxChar buffer[4096];
     while ( in.CanRead() )
     {
         wxChar buffer[4096];

-        buffer[in.Read(buffer, WXSIZEOF(buffer) - 1).LastRead()] = _T('\0');
+        buffer[in.Read(buffer, WXSIZEOF(buffer) - 1).LastRead()] = wxT('\0');

 
         text->AppendText(buffer);
     }
 
         text->AppendText(buffer);
     }


@@ -1270,7 +1373,7 @@ void MyPipeFrame::OnProcessTerm(wxProcessEvent& WXUNUSED(event))
     delete m_process;
     m_process = NULL;
 
     delete m_process;
     m_process = NULL;
 

-    wxLogWarning(_T("The other process has terminated, closing"));
+    wxLogWarning(wxT("The other process has terminated, closing"));

 
     DisableInput();
     DisableOutput();
 
     DisableInput();
     DisableOutput();