#include "wx/msgdlg.h"
#include "wx/textdlg.h"
#include "wx/listbox.h"
+ #include "wx/filedlg.h"
+ #include "wx/choicdlg.h"
#endif
#include "wx/txtstrm.h"
#include "wx/process.h"
+#include "wx/mimetype.h"
+
#ifdef __WINDOWS__
#include "wx/dde.h"
#endif // __WINDOWS__
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
+ void OnKill(wxCommandEvent& event);
+
void OnClear(wxCommandEvent& event);
void OnSyncExec(wxCommandEvent& event);
void OnAsyncExec(wxCommandEvent& event);
void OnShell(wxCommandEvent& event);
void OnExecWithRedirect(wxCommandEvent& event);
- void OnDDEExec(wxCommandEvent& event);
+ void OnExecWithPipe(wxCommandEvent& event);
+
+ void OnFileExec(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnIdle(wxIdleEvent& event);
// for MyPipedProcess
- void OnProcessTerminated(MyPipedProcess *process)
- { m_running.Remove(process); }
+ void OnProcessTerminated(MyPipedProcess *process);
wxListBox *GetLogListBox() const { return m_lbox; }
private:
+ void ShowOutput(const wxString& cmd,
+ const wxArrayString& output,
+ const wxString& title);
+
+ void DoAsyncExec(const wxString& cmd);
+
+ // the PID of the last process we launched asynchronously
+ int m_pidLast;
+
+ // last command we executed
wxString m_cmdLast;
+#ifdef __WINDOWS__
+ void OnDDEExec(wxCommandEvent& event);
+ void OnDDERequest(wxCommandEvent& event);
+
+ bool GetDDEServer();
+
+ // last params of a DDE transaction
+ wxString m_server,
+ m_topic,
+ m_cmdDde;
+#endif // __WINDOWS__
+
wxListBox *m_lbox;
MyProcessesArray m_running;
virtual void OnTerminate(int pid, int status);
- bool HasInput();
+ virtual bool HasInput();
+};
+
+// A version of MyPipedProcess which also sends input to the stdin of the
+// child process
+class MyPipedProcess2 : public MyPipedProcess
+{
+public:
+ MyPipedProcess2(MyFrame *parent, const wxString& cmd, const wxString& input)
+ : MyPipedProcess(parent, cmd), m_input(input)
+ {
+ }
+
+ virtual bool HasInput();
+
+private:
+ wxString m_input;
};
// ----------------------------------------------------------------------------
{
// menu items
Exec_Quit = 100,
+ Exec_Kill,
Exec_ClearLog,
Exec_SyncExec = 200,
Exec_AsyncExec,
Exec_Shell,
+ Exec_OpenFile,
Exec_DDEExec,
+ Exec_DDERequest,
Exec_Redirect,
+ Exec_Pipe,
Exec_About = 300
};
// simple menu events like this the static method is much simpler.
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_SyncExec, MyFrame::OnSyncExec)
EVT_MENU(Exec_AsyncExec, MyFrame::OnAsyncExec)
EVT_MENU(Exec_Shell, MyFrame::OnShell)
EVT_MENU(Exec_Redirect, MyFrame::OnExecWithRedirect)
- EVT_MENU(Exec_DDEExec, MyFrame::OnDDEExec)
+ EVT_MENU(Exec_Pipe, MyFrame::OnExecWithPipe)
+
+ EVT_MENU(Exec_OpenFile, MyFrame::OnFileExec)
+#ifdef __WINDOWS__
+ EVT_MENU(Exec_DDEExec, MyFrame::OnDDEExec)
+ EVT_MENU(Exec_DDERequest, MyFrame::OnDDERequest)
+#endif // __WINDOWS__
+
EVT_MENU(Exec_About, MyFrame::OnAbout)
EVT_IDLE(MyFrame::OnIdle)
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
+ m_pidLast = 0;
+
#ifdef __WXMAC__
// we need this in order to allow the about menu relocation, since ABOUT is
// not the default id of the about menu
wxApp::s_macAboutMenuItemId = Exec_About;
#endif
- // set the frame icon
-#ifndef __WXGTK__
- SetIcon(wxICON(mondrian));
-#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"));
+ menuFile->AppendSeparator();
menuFile->Append(Exec_ClearLog, _T("&Clear log\tCtrl-C"),
_T("Clear the log window"));
menuFile->AppendSeparator();
_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->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...\tCtrl-P"),
+ _T("Pipe a string through a filter"));
+ execMenu->AppendSeparator();
+ execMenu->Append(Exec_OpenFile, _T("Open &file...\tCtrl-F"),
+ _T("Launch the command to open this kind of files"));
#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"));
#endif
wxMenu *helpMenu = new wxMenu(_T(""), wxMENU_TEAROFF);
// create the listbox in which we will show misc messages as they come
m_lbox = new wxListBox(this, -1);
+ wxFont font(12, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL,
+ wxFONTWEIGHT_NORMAL);
+ if ( font.Ok() )
+ m_lbox->SetFont(font);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
#endif // wxUSE_STATUSBAR
}
-
-// event handlers
+// ----------------------------------------------------------------------------
+// event handlers: file and help menu
+// ----------------------------------------------------------------------------
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageBox(_T("Exec sample\n© 2000 Vadim Zeitlin"),
+ wxMessageBox(_T("Exec wxWindows Sample\n© 2000-2001 Vadim Zeitlin"),
_T("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"),
+ m_pidLast,
+ // we need the full unsigned int range
+ -INT_MAX, INT_MAX,
+ this);
+ if ( pid == -1 )
+ {
+ // cancelled
+ return;
+ }
+
+ 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)"),
+ };
+
+ int sig = wxGetSingleChoiceIndex(_T("How to kill the process?"),
+ _T("Exec question"),
+ WXSIZEOF(signalNames), signalNames,
+ this);
+ switch ( sig )
+ {
+ default:
+ wxFAIL_MSG( _T("unexpected return value") );
+ // fall through
+
+ case -1:
+ // cancelled
+ return;
+
+ case wxSIGNONE:
+ case wxSIGHUP:
+ case wxSIGINT:
+ case wxSIGQUIT:
+ case wxSIGILL:
+ case wxSIGTRAP:
+ case wxSIGABRT:
+ case wxSIGEMT:
+ case wxSIGFPE:
+ case wxSIGKILL:
+ case wxSIGBUS:
+ case wxSIGSEGV:
+ case wxSIGSYS:
+ case wxSIGPIPE:
+ case wxSIGALRM:
+ case wxSIGTERM:
+ break;
+ }
+
+ if ( sig == 0 )
+ {
+ if ( wxProcess::Exists(pid) )
+ wxLogStatus(_T("Process %d is running."), pid);
+ else
+ wxLogStatus(_T("No process with pid = %d."), pid);
+ }
+ else // not SIGNONE
+ {
+ wxKillError rc = wxProcess::Kill(pid, (wxSignal)sig);
+ if ( rc == wxKILL_OK )
+ {
+ wxLogStatus(_T("Process %d 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"),
+ };
+
+ wxLogStatus(_T("Failed to kill process %d with signal %d: %s"),
+ pid, sig, errorText[rc]);
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+// event handlers: exec menu
+// ----------------------------------------------------------------------------
+
+void MyFrame::DoAsyncExec(const wxString& cmd)
+{
+ wxProcess *process = new MyProcess(this, cmd);
+ m_pidLast = wxExecute(cmd, wxEXEC_ASYNC, process);
+ if ( !m_pidLast )
+ {
+ wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
+
+ delete process;
+ }
+ else
+ {
+ wxLogStatus(_T("Process %ld (%s) launched."), m_pidLast, cmd.c_str());
+
+ m_cmdLast = cmd;
+ }
+}
+
void MyFrame::OnSyncExec(wxCommandEvent& WXUNUSED(event))
{
wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
wxLogStatus(_T("'%s' is running please wait..."), cmd.c_str());
- int code = wxExecute(cmd, TRUE /* sync */);
+ int code = wxExecute(cmd, wxEXEC_SYNC);
wxLogStatus(_T("Process '%s' terminated with exit code %d."),
cmd.c_str(), code);
if ( !cmd )
return;
- wxProcess *process = new MyProcess(this, cmd);
- long pid = wxExecute(cmd, FALSE /* async */, process);
- if ( !pid )
- {
- wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
-
- delete process;
- }
- else
- {
- wxLogStatus(_T("Process %ld (%s) launched."), pid, cmd.c_str());
-
- m_cmdLast = cmd;
- }
+ DoAsyncExec(cmd);
}
void MyFrame::OnShell(wxCommandEvent& WXUNUSED(event))
if ( sync )
{
- wxArrayString output;
- int code = wxExecute(cmd, output);
+ wxArrayString output, errors;
+ int code = wxExecute(cmd, output, errors);
wxLogStatus(_T("command '%s' terminated with exit code %d."),
cmd.c_str(), code);
if ( code != -1 )
{
- m_lbox->Append(wxString::Format(_T("--- Output of '%s' ---"),
- cmd.c_str()));
-
- size_t count = output.GetCount();
- for ( size_t n = 0; n < count; n++ )
- {
- m_lbox->Append(output[n]);
- }
+ ShowOutput(cmd, output, _T("Output"));
+ ShowOutput(cmd, errors, _T("Errors"));
}
}
else // async exec
{
MyPipedProcess *process = new MyPipedProcess(this, cmd);
- if ( !wxExecute(cmd, FALSE /* async */, process) )
+ if ( !wxExecute(cmd, wxEXEC_ASYNC, process) )
{
wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
m_cmdLast = cmd;
}
-void MyFrame::OnDDEExec(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnExecWithPipe(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !m_cmdLast )
+ m_cmdLast = _T("tr [a-z] [A-Z]");
+
+ wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+ DIALOG_TITLE,
+ m_cmdLast);
+
+ if ( !cmd )
+ return;
+
+ wxString input = wxGetTextFromUser(_T("Enter the string to send to it: "),
+ DIALOG_TITLE);
+ if ( !input )
+ return;
+
+ // always execute the filter asynchronously
+ MyPipedProcess2 *process = new MyPipedProcess2(this, cmd, input);
+ int pid = wxExecute(cmd, wxEXEC_ASYNC, process);
+ if ( pid )
+ {
+ wxLogStatus(_T("Process %ld (%s) launched."), pid, cmd.c_str());
+
+ m_running.Add(process);
+ }
+ else
+ {
+ wxLogError(_T("Execution of '%s' failed."), cmd.c_str());
+
+ delete process;
+ }
+
+ m_cmdLast = cmd;
+}
+
+void MyFrame::OnFileExec(wxCommandEvent& event)
{
+ static wxString s_filename;
+
+ wxString filename = wxLoadFileSelector(_T("file"), _T(""), s_filename);
+ if ( !filename )
+ return;
+
+ s_filename = filename;
+
+ wxString ext = filename.AfterFirst(_T('.'));
+ wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
+ if ( !ft )
+ {
+ wxLogError(_T("Impossible to determine the file type for extension '%s'"),
+ ext.c_str());
+ return;
+ }
+
+ wxString cmd;
+ bool ok = ft->GetOpenCommand(&cmd,
+ wxFileType::MessageParameters(filename, _T("")));
+ delete ft;
+ if ( !ok )
+ {
+ wxLogError(_T("Impossible to find out how to open files of extension '%s'"),
+ ext.c_str());
+ return;
+ }
+
+ DoAsyncExec(cmd);
+}
+
+// ----------------------------------------------------------------------------
+// DDE stuff
+// ----------------------------------------------------------------------------
+
#ifdef __WINDOWS__
+
+bool MyFrame::GetDDEServer()
+{
wxString server = wxGetTextFromUser(_T("Server to connect to:"),
- DIALOG_TITLE, _T("IExplore"));
+ DIALOG_TITLE, m_server);
if ( !server )
- return;
+ return FALSE;
+
+ m_server = server;
- wxString topic = wxGetTextFromUser(_T("DDE topic:"),
- DIALOG_TITLE, _T("WWW_OpenURL"));
+ wxString topic = wxGetTextFromUser(_T("DDE topic:"), DIALOG_TITLE, m_topic);
if ( !topic )
- return;
+ return FALSE;
- wxString cmd = wxGetTextFromUser(_T("DDE command:"),
- DIALOG_TITLE,
- _T("\"file:F:\\wxWindows\\samples\\"
- "image\\horse.gif\",,-1,,,,,"));
+ m_topic = topic;
+
+ wxString cmd = wxGetTextFromUser(_T("DDE command:"), DIALOG_TITLE, m_cmdDde);
if ( !cmd )
+ return FALSE;
+
+ m_cmdDde = cmd;
+
+ return TRUE;
+}
+
+void MyFrame::OnDDEExec(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !GetDDEServer() )
return;
wxDDEClient client;
- wxConnectionBase *conn = client.MakeConnection("", server, topic);
+ wxConnectionBase *conn = client.MakeConnection("", m_server, m_topic);
if ( !conn )
{
wxLogError(_T("Failed to connect to the DDE server '%s'."),
- server.c_str());
+ m_server.c_str());
}
else
{
- if ( !conn->Execute(cmd) )
+ if ( !conn->Execute(m_cmdDde) )
{
wxLogError(_T("Failed to execute command '%s' via DDE."),
- cmd.c_str());
+ m_cmdDde.c_str());
}
else
{
wxLogStatus(_T("Successfully executed DDE command"));
}
}
-#endif // __WINDOWS__
}
+void MyFrame::OnDDERequest(wxCommandEvent& WXUNUSED(event))
+{
+ if ( !GetDDEServer() )
+ return;
+
+ wxDDEClient client;
+ wxConnectionBase *conn = client.MakeConnection("", m_server, m_topic);
+ if ( !conn )
+ {
+ wxLogError(_T("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."),
+ m_cmdDde.c_str());
+ }
+ else
+ {
+ wxLogStatus(_T("Successfully sent DDE request."));
+ }
+ }
+}
+
+#endif // __WINDOWS__
+
+// ----------------------------------------------------------------------------
+// various helpers
+// ----------------------------------------------------------------------------
+
// input polling
void MyFrame::OnIdle(wxIdleEvent& event)
{
}
}
+void MyFrame::OnProcessTerminated(MyPipedProcess *process)
+{
+ m_running.Remove(process);
+}
+
+
+void MyFrame::ShowOutput(const wxString& cmd,
+ const wxArrayString& output,
+ const wxString& title)
+{
+ size_t count = output.GetCount();
+ if ( !count )
+ return;
+
+ m_lbox->Append(wxString::Format(_T("--- %s of '%s' ---"),
+ title.c_str(), cmd.c_str()));
+
+ for ( size_t n = 0; n < count; n++ )
+ {
+ m_lbox->Append(output[n]);
+ }
+
+ m_lbox->Append(_T("--- End of output ---"));
+}
+
// ----------------------------------------------------------------------------
// MyProcess
// ----------------------------------------------------------------------------
bool MyPipedProcess::HasInput()
{
+ bool hasInput = FALSE;
+
wxInputStream& is = *GetInputStream();
if ( !is.Eof() )
{
// this assumes that the output is always line buffered
wxString msg;
- msg << m_cmd << _T(": ") << tis.ReadLine();
+ msg << m_cmd << _T(" (stdout): ") << tis.ReadLine();
m_parent->GetLogListBox()->Append(msg);
- return TRUE;
+ hasInput = TRUE;
}
- else
+
+ wxInputStream& es = *GetErrorStream();
+ if ( !es.Eof() )
{
- return FALSE;
+ wxTextInputStream tis(es);
+
+ // this assumes that the output is always line buffered
+ wxString msg;
+ msg << m_cmd << _T(" (stderr): ") << tis.ReadLine();
+
+ m_parent->GetLogListBox()->Append(msg);
+
+ hasInput = TRUE;
}
+
+ return hasInput;
}
void MyPipedProcess::OnTerminate(int pid, int status)
MyProcess::OnTerminate(pid, status);
}
+
+// ----------------------------------------------------------------------------
+// MyPipedProcess2
+// ----------------------------------------------------------------------------
+
+bool MyPipedProcess2::HasInput()
+{
+ if ( !!m_input )
+ {
+ wxTextOutputStream os(*GetOutputStream());
+ os.WriteString(m_input);
+
+ CloseOutput();
+ m_input.clear();
+
+ // call us once again - may be we'll have output
+ return TRUE;
+ }
+
+ return MyPipedProcess::HasInput();
+}