X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42d0aa30b801d8c2ea7cd16a2a191bec4fbfa876..d8eff331e23435d9d8d6483a40f6fd9997a13f87:/samples/exec/exec.cpp diff --git a/samples/exec/exec.cpp b/samples/exec/exec.cpp index 2ff98f2610..ab63144a8e 100644 --- a/samples/exec/exec.cpp +++ b/samples/exec/exec.cpp @@ -17,11 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(__APPLE__) - #pragma implementation "exec.cpp" - #pragma interface "exec.cpp" -#endif - // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -56,7 +51,9 @@ #include "wx/txtstrm.h" #include "wx/numdlg.h" +#include "wx/textdlg.h" #include "wx/ffile.h" +#include "wx/stopwatch.h" #include "wx/process.h" @@ -85,14 +82,18 @@ public: // 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: - // ctor(s) + // ctor and dtor MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size); + virtual ~MyFrame(); // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); @@ -101,7 +102,11 @@ public: void OnClear(wxCommandEvent& event); + void OnBeginBusyCursor(wxCommandEvent& event); + void OnEndBusyCursor(wxCommandEvent& event); + void OnSyncExec(wxCommandEvent& event); + void OnSyncNoEventsExec(wxCommandEvent& event); void OnAsyncExec(wxCommandEvent& event); void OnShell(wxCommandEvent& event); void OnExecWithRedirect(wxCommandEvent& event); @@ -110,17 +115,25 @@ public: 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 OnTimer(wxTimerEvent& event); + void OnIdleTimer(wxTimerEvent& event); 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, @@ -128,30 +141,11 @@ private: 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 - - m_running.Add(process); - } + void AddAsyncProcess(MyProcess *process) { m_allAsync.push_back(process); } - void RemoveAsyncProcess(MyPipedProcess *process) - { - m_running.Remove(process); + void AddPipedProcess(MyPipedProcess *process); + void RemovePipedProcess(MyPipedProcess *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; @@ -173,11 +167,19 @@ private: 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; + // 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() }; @@ -207,7 +209,7 @@ protected: void DoSend() { wxString s(m_textOut->GetValue()); - s += _T('\n'); + s += wxT('\n'); m_out.Write(s.c_str(), s.length()); m_textOut->Clear(); @@ -298,20 +300,29 @@ private: // IDs for the controls and the menu commands enum { + // timer ids + Exec_TimerIdle = 10, + Exec_TimerBg, + // menu items Exec_Quit = 100, Exec_Kill, Exec_ClearLog, + Exec_BeginBusyCursor, + Exec_EndBusyCursor, Exec_SyncExec = 200, + Exec_SyncNoEventsExec, Exec_AsyncExec, Exec_Shell, Exec_POpen, Exec_OpenFile, + Exec_LaunchFile, + Exec_OpenURL, Exec_DDEExec, Exec_DDERequest, Exec_Redirect, Exec_Pipe, - Exec_About = 300, + Exec_About = wxID_ABOUT, // control ids Exec_Btn_Send = 1000, @@ -320,7 +331,7 @@ enum 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 @@ -333,8 +344,11 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Exec_Quit, MyFrame::OnQuit) EVT_MENU(Exec_Kill, MyFrame::OnKill) EVT_MENU(Exec_ClearLog, MyFrame::OnClear) + EVT_MENU(Exec_BeginBusyCursor, MyFrame::OnBeginBusyCursor) + EVT_MENU(Exec_EndBusyCursor, MyFrame::OnEndBusyCursor) EVT_MENU(Exec_SyncExec, MyFrame::OnSyncExec) + EVT_MENU(Exec_SyncNoEventsExec, MyFrame::OnSyncNoEventsExec) EVT_MENU(Exec_AsyncExec, MyFrame::OnAsyncExec) EVT_MENU(Exec_Shell, MyFrame::OnShell) EVT_MENU(Exec_Redirect, MyFrame::OnExecWithRedirect) @@ -343,6 +357,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) 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_DDEExec, MyFrame::OnDDEExec) @@ -353,7 +369,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) 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) @@ -387,8 +404,11 @@ IMPLEMENT_APP(MyApp) // `Main program' equivalent: the program execution "starts" here bool MyApp::OnInit() { + if ( !wxApp::OnInit() ) + 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 @@ -412,7 +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), - m_timerIdleWakeUp(this) + m_timerIdleWakeUp(this, Exec_TimerIdle), + m_timerBg(this, Exec_TimerBg) { m_pidLast = 0; @@ -423,47 +444,56 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) #endif // create a menu bar - wxMenu *menuFile = new wxMenu(_T(""), wxMENU_TEAROFF); - menuFile->Append(Exec_Kill, _T("&Kill process...\tCtrl-K"), - _T("Kill a process by PID")); + wxMenu *menuFile = new wxMenu(wxEmptyString, wxMENU_TEAROFF); + menuFile->Append(Exec_Kill, wxT("&Kill process...\tCtrl-K"), + wxT("Kill a process by PID")); + menuFile->AppendSeparator(); + menuFile->Append(Exec_ClearLog, wxT("&Clear log\tCtrl-L"), + wxT("Clear the log window")); menuFile->AppendSeparator(); - menuFile->Append(Exec_ClearLog, _T("&Clear log\tCtrl-C"), - _T("Clear the log window")); + menuFile->Append(Exec_BeginBusyCursor, wxT("Show &busy cursor\tCtrl-C")); + menuFile->Append(Exec_EndBusyCursor, wxT("Show &normal cursor\tShift-Ctrl-C")); 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; - execMenu->Append(Exec_SyncExec, _T("Sync &execution...\tCtrl-E"), - _T("Launch a program and return when 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->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->Append(Exec_OpenFile, _T("Open &file...\tCtrl-F"), - _T("Launch the command to open this kind of files")); + 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(); - 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(_T(""), wxMENU_TEAROFF); - helpMenu->Append(Exec_About, _T("&About...\tF1"), _T("Show about dialog")); + wxMenu *helpMenu = new wxMenu(wxEmptyString, wxMENU_TEAROFF); + 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(); - 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); @@ -477,9 +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) - CreateStatusBar(); - SetStatusText(_T("Welcome to wxWidgets exec sample!")); + CreateStatusBar(2); + SetStatusText(wxT("Welcome to wxWidgets exec sample!")); #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]; + } } // ---------------------------------------------------------------------------- @@ -497,17 +540,27 @@ void MyFrame::OnClear(wxCommandEvent& WXUNUSED(event)) m_lbox->Clear(); } +void MyFrame::OnBeginBusyCursor(wxCommandEvent& WXUNUSED(event)) +{ + wxBeginBusyCursor(); +} + +void MyFrame::OnEndBusyCursor(wxCommandEvent& WXUNUSED(event)) +{ + wxEndBusyCursor(); +} + void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxMessageBox(_T("Exec wxWidgets Sample\n© 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)) { - 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, @@ -520,32 +573,32 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event)) 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: - wxFAIL_MSG( _T("unexpected return value") ); + wxFAIL_MSG( wxT("unexpected return value") ); // fall through case -1: @@ -574,29 +627,33 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event)) if ( sig == 0 ) { if ( wxProcess::Exists(pid) ) - wxLogStatus(_T("Process %ld is running."), pid); + { + wxLogStatus(wxT("Process %ld is running."), pid); + } 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 ) { - 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[] = { - _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]); } } @@ -608,37 +665,59 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event)) 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 ) { - wxLogError( _T("Execution of '%s' failed."), cmd.c_str() ); + wxLogError(wxT("Execution of '%s' failed."), cmd.c_str()); 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; + + // 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)) { - wxString cmd = wxGetTextFromUser(_T("Enter the command: "), + wxString cmd = wxGetTextFromUser(wxT("Enter the command: "), 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); - 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; +} + +void MyFrame::OnSyncNoEventsExec(wxCommandEvent& WXUNUSED(event)) +{ + wxString cmd = wxGetTextFromUser(wxT("Enter the command: "), + DIALOG_TITLE, + m_cmdLast); + + if ( !cmd ) + return; + + wxLogStatus( wxT("'%s' is running please wait..."), cmd.c_str() ); + + int code = wxExecute(cmd, wxEXEC_BLOCK); + + wxLogStatus(wxT("Process '%s' terminated with exit code %d."), cmd.c_str(), code); m_cmdLast = cmd; @@ -646,7 +725,7 @@ void MyFrame::OnSyncExec(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); @@ -658,7 +737,7 @@ void MyFrame::OnAsyncExec(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); @@ -666,14 +745,23 @@ void MyFrame::OnShell(wxCommandEvent& WXUNUSED(event)) 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)) { - 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); @@ -681,8 +769,8 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event)) 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: @@ -699,15 +787,20 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event)) if ( sync ) { + wxLogStatus("\"%s\" is running please wait...", cmd); + + wxStopWatch sw; + 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 ) { - ShowOutput(cmd, output, _T("Output")); - ShowOutput(cmd, errors, _T("Errors")); + ShowOutput(cmd, output, wxT("Output")); + ShowOutput(cmd, errors, wxT("Errors")); } } else // async exec @@ -715,13 +808,13 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event)) 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 { - AddAsyncProcess(process); + AddPipedProcess(process); } } @@ -731,16 +824,16 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event)) 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; - 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; @@ -750,13 +843,13 @@ void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event)) 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 { - wxLogError(_T("Execution of '%s' failed."), cmd.c_str()); + wxLogError(wxT("Execution of '%s' failed."), cmd.c_str()); delete process; } @@ -766,7 +859,7 @@ void MyFrame::OnExecWithPipe(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() ) @@ -775,53 +868,71 @@ void MyFrame::OnPOpen(wxCommandEvent& WXUNUSED(event)) wxProcess *process = wxProcess::Open(cmd); if ( !process ) { - wxLogError(_T("Failed to launch the command.")); + wxLogError(wxT("Failed to launch the command.")); return; } + wxLogVerbose(wxT("PID of the new process: %ld"), process->GetPid()); + 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 ) { - wxLogError(_T("Failed to connect to child stdout")); + wxLogError(wxT("Failed to connect to child stdout")); return; } new MyPipeFrame(this, cmd, process); } -void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) +static wxString gs_lastFile; + +static bool AskUserForFileName() { - static wxString s_filename; + wxString filename; - wxString filename = wxLoadFileSelector(_T(""), _T(""), s_filename); - if ( !filename ) - return; +#if wxUSE_FILEDLG + filename = wxLoadFileSelector(wxT("any"), wxEmptyString, gs_lastFile); +#else // !wxUSE_FILEDLG + filename = wxGetTextFromUser(wxT("Enter the file name"), wxT("exec sample"), + gs_lastFile); +#endif // wxUSE_FILEDLG/!wxUSE_FILEDLG + + if ( filename.empty() ) + return false; + + gs_lastFile = filename; - s_filename = filename; + return true; +} - wxString ext = filename.AfterFirst(_T('.')); +void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) +{ + if ( !AskUserForFileName() ) + return; + + wxString ext = gs_lastFile.AfterLast(wxT('.')); 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, - wxFileType::MessageParameters(filename, _T(""))); + wxFileType::MessageParameters(gs_lastFile)); 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; } @@ -829,6 +940,40 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) 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)) +{ + static wxString s_url(wxT("http://www.wxwidgets.org/")); + + wxString filename = wxGetTextFromUser + ( + wxT("Enter the URL"), + wxT("exec sample"), + s_url, + this + ); + + if ( filename.empty() ) + return; + + s_url = filename; + + if ( !wxLaunchDefaultBrowser(s_url) ) + { + wxLogError(wxT("Failed to open URL \"%s\""), s_url.c_str()); + } +} + // ---------------------------------------------------------------------------- // DDE stuff // ---------------------------------------------------------------------------- @@ -837,20 +982,20 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) 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; - 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; - wxString cmd = wxGetTextFromUser(_T("DDE command:"), DIALOG_TITLE, m_cmdDde); + wxString cmd = wxGetTextFromUser(wxT("DDE command:"), DIALOG_TITLE, m_cmdDde); if ( !cmd ) return false; @@ -865,22 +1010,22 @@ void MyFrame::OnDDEExec(wxCommandEvent& WXUNUSED(event)) return; wxDDEClient client; - wxConnectionBase *conn = client.MakeConnection(_T(""), m_server, m_topic); + 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) ) { - wxLogError(_T("Failed to execute command '%s' via DDE."), + wxLogError(wxT("Failed to execute command '%s' via DDE."), m_cmdDde.c_str()); } else { - wxLogStatus(_T("Successfully executed DDE command")); + wxLogStatus(wxT("Successfully executed DDE command")); } } } @@ -891,22 +1036,22 @@ void MyFrame::OnDDERequest(wxCommandEvent& WXUNUSED(event)) return; wxDDEClient client; - wxConnectionBase *conn = client.MakeConnection(_T(""), m_server, m_topic); + 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) ) { - wxLogError(_T("Failed to send request '%s' via DDE."), + wxLogError(wxT("Failed to send request '%s' via DDE."), m_cmdDde.c_str()); } else { - wxLogStatus(_T("Successfully sent DDE request.")); + wxLogStatus(wxT("Successfully sent DDE request.")); } } } @@ -930,16 +1075,54 @@ void MyFrame::OnIdle(wxIdleEvent& event) } } -void MyFrame::OnTimer(wxTimerEvent& WXUNUSED(event)) +void MyFrame::OnIdleTimer(wxTimerEvent& WXUNUSED(event)) { 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) { - 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, @@ -949,7 +1132,7 @@ void MyFrame::ShowOutput(const wxString& cmd, 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++ ) @@ -957,7 +1140,7 @@ void MyFrame::ShowOutput(const wxString& cmd, 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())); } @@ -967,11 +1150,10 @@ void MyFrame::ShowOutput(const wxString& cmd, 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); - // we're not needed any more - delete this; + m_parent->OnAsyncTermination(this); } // ---------------------------------------------------------------------------- @@ -988,7 +1170,7 @@ bool MyPipedProcess::HasInput() // 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); @@ -1001,7 +1183,7 @@ bool MyPipedProcess::HasInput() // 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); @@ -1028,7 +1210,7 @@ void MyPipedProcess::OnTerminate(int pid, int status) bool MyPipedProcess2::HasInput() { - if ( !!m_input ) + if ( !m_input.empty() ) { wxTextOutputStream os(*GetOutputStream()); os.WriteString(m_input); @@ -1053,22 +1235,22 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent, : wxFrame(parent, wxID_ANY, cmd), m_process(process), // in a real program we'd check that the streams are !NULL here + m_out(*process->GetOutputStream()), m_in(*process->GetInputStream()), - m_err(*process->GetErrorStream()), - m_out(*process->GetOutputStream()) + m_err(*process->GetErrorStream()) { m_process->SetNextHandler(this); wxPanel *panel = new wxPanel(this, wxID_ANY); - m_textOut = new wxTextCtrl(panel, wxID_ANY, _T(""), + m_textOut = new wxTextCtrl(panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER); - m_textIn = new wxTextCtrl(panel, wxID_ANY, _T(""), + m_textIn = new wxTextCtrl(panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxTE_RICH); m_textIn->SetEditable(false); - m_textErr = new wxTextCtrl(panel, wxID_ANY, _T(""), + m_textErr = new wxTextCtrl(panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxTE_RICH); m_textErr->SetEditable(false); @@ -1078,13 +1260,13 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent, 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-> - 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-> - 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-> - 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); @@ -1098,11 +1280,12 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent, void MyPipeFrame::OnBtnSendFile(wxCommandEvent& WXUNUSED(event)) { - wxFileDialog filedlg(this, _T("Select file to send")); +#if wxUSE_FILEDLG + wxFileDialog filedlg(this, wxT("Select file to send")); 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; @@ -1125,6 +1308,7 @@ void MyPipeFrame::OnBtnSendFile(wxCommandEvent& WXUNUSED(event)) DoGet(); } +#endif // wxUSE_FILEDLG } void MyPipeFrame::DoGet() @@ -1140,7 +1324,7 @@ void MyPipeFrame::DoGetFromStream(wxTextCtrl *text, wxInputStream& in) 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); } @@ -1189,7 +1373,7 @@ void MyPipeFrame::OnProcessTerm(wxProcessEvent& WXUNUSED(event)) delete m_process; m_process = NULL; - wxLogWarning(_T("The other process has terminated, closing")); + wxLogWarning(wxT("The other process has terminated, closing")); DisableInput(); DisableOutput();