X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/07850a495081697fe2825eafb656926c676aa279..e960c20e389061c0db09e03fdaf9ffe3a418779b:/samples/exec/exec.cpp diff --git a/samples/exec/exec.cpp b/samples/exec/exec.cpp index ab5d6a9acc..5a85d67bf1 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" @@ -56,6 +51,8 @@ #include "wx/txtstrm.h" #include "wx/numdlg.h" +#include "wx/textdlg.h" +#include "wx/ffile.h" #include "wx/process.h" @@ -109,6 +106,7 @@ public: void OnPOpen(wxCommandEvent& event); void OnFileExec(wxCommandEvent& event); + void OnOpenURL(wxCommandEvent& event); void OnAbout(wxCommandEvent& event); @@ -195,7 +193,9 @@ public: protected: void OnTextEnter(wxCommandEvent& WXUNUSED(event)) { DoSend(); } void OnBtnSend(wxCommandEvent& WXUNUSED(event)) { DoSend(); } + void OnBtnSendFile(wxCommandEvent& WXUNUSED(event)); void OnBtnGet(wxCommandEvent& WXUNUSED(event)) { DoGet(); } + void OnBtnClose(wxCommandEvent& WXUNUSED(event)) { DoClose(); } void OnClose(wxCloseEvent& event); @@ -203,22 +203,32 @@ protected: void DoSend() { - m_out.WriteString(m_textIn->GetValue() + _T('\n')); - m_textIn->Clear(); + wxString s(m_textOut->GetValue()); + s += _T('\n'); + m_out.Write(s.c_str(), s.length()); + m_textOut->Clear(); DoGet(); } void DoGet(); + void DoClose(); private: + void DoGetFromStream(wxTextCtrl *text, wxInputStream& in); + void DisableInput(); + void DisableOutput(); + + wxProcess *m_process; - wxTextInputStream m_in; - wxTextOutputStream m_out; + wxOutputStream &m_out; + wxInputStream &m_in, + &m_err; - wxTextCtrl *m_textIn, - *m_textOut; + wxTextCtrl *m_textOut, + *m_textIn, + *m_textErr; DECLARE_EVENT_TABLE() }; @@ -294,6 +304,7 @@ enum Exec_Shell, Exec_POpen, Exec_OpenFile, + Exec_OpenURL, Exec_DDEExec, Exec_DDERequest, Exec_Redirect, @@ -302,7 +313,9 @@ enum // control ids Exec_Btn_Send = 1000, - Exec_Btn_Get + Exec_Btn_SendFile, + Exec_Btn_Get, + Exec_Btn_Close }; static const wxChar *DIALOG_TITLE = _T("Exec sample"); @@ -328,6 +341,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Exec_POpen, MyFrame::OnPOpen) EVT_MENU(Exec_OpenFile, MyFrame::OnFileExec) + EVT_MENU(Exec_OpenURL, MyFrame::OnOpenURL) #ifdef __WINDOWS__ EVT_MENU(Exec_DDEExec, MyFrame::OnDDEExec) @@ -343,7 +357,9 @@ END_EVENT_TABLE() BEGIN_EVENT_TABLE(MyPipeFrame, wxFrame) EVT_BUTTON(Exec_Btn_Send, MyPipeFrame::OnBtnSend) + EVT_BUTTON(Exec_Btn_SendFile, MyPipeFrame::OnBtnSendFile) EVT_BUTTON(Exec_Btn_Get, MyPipeFrame::OnBtnGet) + EVT_BUTTON(Exec_Btn_Close, MyPipeFrame::OnBtnClose) EVT_TEXT_ENTER(wxID_ANY, MyPipeFrame::OnTextEnter) @@ -370,6 +386,9 @@ 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"), wxDefaultPosition, wxSize(500, 140)); @@ -406,7 +425,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) #endif // create a menu bar - wxMenu *menuFile = new wxMenu(_T(""), wxMENU_TEAROFF); + wxMenu *menuFile = new wxMenu(wxEmptyString, wxMENU_TEAROFF); menuFile->Append(Exec_Kill, _T("&Kill process...\tCtrl-K"), _T("Kill a process by PID")); menuFile->AppendSeparator(); @@ -433,13 +452,15 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) 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")); #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); + wxMenu *helpMenu = new wxMenu(wxEmptyString, wxMENU_TEAROFF); helpMenu->Append(Exec_About, _T("&About...\tF1"), _T("Show about dialog")); // now append the freshly created menu to the menu bar... @@ -482,7 +503,7 @@ void MyFrame::OnClear(wxCommandEvent& WXUNUSED(event)) void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) { - wxMessageBox(_T("Exec wxWidgets Sample\n© 2000-2002 Vadim Zeitlin"), + wxMessageBox(_T("Exec wxWidgets Sample\n(c) 2000-2002 Vadim Zeitlin"), _T("About Exec"), wxOK | wxICON_INFORMATION, this); } @@ -762,6 +783,8 @@ void MyFrame::OnPOpen(wxCommandEvent& WXUNUSED(event)) return; } + wxLogVerbose(_T("PID of the new process: %ld"), process->GetPid()); + wxOutputStream *out = process->GetOutputStream(); if ( !out ) { @@ -783,8 +806,16 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) { static wxString s_filename; - wxString filename = wxLoadFileSelector(_T(""), _T(""), s_filename); - if ( !filename ) + wxString filename; + +#if wxUSE_FILEDLG + filename = wxLoadFileSelector(_T("any file"), NULL, s_filename, this); +#else // !wxUSE_FILEDLG + filename = wxGetTextFromUser(_T("Enter the file name"), _T("exec sample"), + s_filename, this); +#endif // wxUSE_FILEDLG/!wxUSE_FILEDLG + + if ( filename.empty() ) return; s_filename = filename; @@ -800,7 +831,7 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) wxString cmd; bool ok = ft->GetOpenCommand(&cmd, - wxFileType::MessageParameters(filename, _T(""))); + wxFileType::MessageParameters(filename)); delete ft; if ( !ok ) { @@ -812,6 +843,27 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event)) DoAsyncExec(cmd); } +void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event)) +{ + static wxString s_filename; + + wxString filename = wxGetTextFromUser + ( + _T("Enter the URL"), + _T("exec sample"), + s_filename, + this + ); + + if ( filename.empty() ) + return; + + s_filename = filename; + + if ( !wxLaunchDefaultBrowser(s_filename) ) + wxLogError(_T("Failed to open URL \"%s\""), s_filename.c_str()); +} + // ---------------------------------------------------------------------------- // DDE stuff // ---------------------------------------------------------------------------- @@ -848,7 +900,7 @@ 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'."), @@ -874,7 +926,7 @@ 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'."), @@ -1011,7 +1063,7 @@ void MyPipedProcess::OnTerminate(int pid, int status) bool MyPipedProcess2::HasInput() { - if ( !!m_input ) + if ( !m_input.empty() ) { wxTextOutputStream os(*GetOutputStream()); os.WriteString(m_input); @@ -1036,30 +1088,42 @@ 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_out(*process->GetOutputStream()) + m_err(*process->GetErrorStream()) { m_process->SetNextHandler(this); wxPanel *panel = new wxPanel(this, wxID_ANY); - m_textIn = new wxTextCtrl(panel, wxID_ANY, _T(""), + m_textOut = new wxTextCtrl(panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER); - m_textOut = new wxTextCtrl(panel, wxID_ANY, _T("")); - m_textOut->SetEditable(false); + 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, wxEmptyString, + wxDefaultPosition, wxDefaultSize, + wxTE_MULTILINE | wxTE_RICH); + m_textErr->SetEditable(false); wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL); - sizerTop->Add(m_textIn, 0, wxGROW | wxALL, 5); + sizerTop->Add(m_textOut, 0, wxGROW | wxALL, 5); wxSizer *sizerBtns = new wxBoxSizer(wxHORIZONTAL); - sizerBtns->Add(new wxButton(panel, Exec_Btn_Send, _T("&Send")), 0, - wxALL, 10); - sizerBtns->Add(new wxButton(panel, Exec_Btn_Get, _T("&Get")), 0, - wxALL, 10); + sizerBtns-> + Add(new wxButton(panel, Exec_Btn_Send, _T("&Send")), 0, wxALL, 5); + sizerBtns-> + Add(new wxButton(panel, Exec_Btn_SendFile, _T("&File...")), 0, wxALL, 5); + sizerBtns-> + Add(new wxButton(panel, Exec_Btn_Get, _T("&Get")), 0, wxALL, 5); + sizerBtns-> + Add(new wxButton(panel, Exec_Btn_Close, _T("&Close")), 0, wxALL, 5); sizerTop->Add(sizerBtns, 0, wxCENTRE | wxALL, 5); - sizerTop->Add(m_textOut, 0, wxGROW | wxALL, 5); + sizerTop->Add(m_textIn, 1, wxGROW | wxALL, 5); + sizerTop->Add(m_textErr, 1, wxGROW | wxALL, 5); panel->SetSizer(sizerTop); sizerTop->Fit(this); @@ -1067,18 +1131,76 @@ MyPipeFrame::MyPipeFrame(wxFrame *parent, Show(); } +void MyPipeFrame::OnBtnSendFile(wxCommandEvent& WXUNUSED(event)) +{ +#if wxUSE_FILEDLG + wxFileDialog filedlg(this, _T("Select file to send")); + if ( filedlg.ShowModal() != wxID_OK ) + return; + + wxFFile file(filedlg.GetFilename(), _T("r")); + wxString data; + if ( !file.IsOpened() || !file.ReadAll(&data) ) + return; + + // can't write the entire string at once, this risk overflowing the pipe + // and we would dead lock + size_t len = data.length(); + const wxChar *pc = data.c_str(); + while ( len ) + { + const size_t CHUNK_SIZE = 4096; + m_out.Write(pc, len > CHUNK_SIZE ? CHUNK_SIZE : len); + + // note that not all data could have been written as we don't block on + // the write end of the pipe + const size_t lenChunk = m_out.LastWrite(); + + pc += lenChunk; + len -= lenChunk; + + DoGet(); + } +#endif // wxUSE_FILEDLG +} + void MyPipeFrame::DoGet() { // we don't have any way to be notified when any input appears on the // stream so we have to poll it :-( - // - // NB: this really must be done because otherwise the other program might - // not have enough time to receive or process our data and we'd read - // an empty string - while ( !m_process->IsInputAvailable() && m_process->IsInputOpened() ) - ; + DoGetFromStream(m_textIn, m_in); + DoGetFromStream(m_textErr, m_err); +} + +void MyPipeFrame::DoGetFromStream(wxTextCtrl *text, wxInputStream& in) +{ + while ( in.CanRead() ) + { + wxChar buffer[4096]; + buffer[in.Read(buffer, WXSIZEOF(buffer) - 1).LastRead()] = _T('\0'); - m_textOut->SetValue(m_in.ReadLine()); + text->AppendText(buffer); + } +} + +void MyPipeFrame::DoClose() +{ + m_process->CloseOutput(); + + DisableInput(); +} + +void MyPipeFrame::DisableInput() +{ + m_textOut->SetEditable(false); + FindWindow(Exec_Btn_Send)->Disable(); + FindWindow(Exec_Btn_SendFile)->Disable(); + FindWindow(Exec_Btn_Close)->Disable(); +} + +void MyPipeFrame::DisableOutput() +{ + FindWindow(Exec_Btn_Get)->Disable(); } void MyPipeFrame::OnClose(wxCloseEvent& event) @@ -1099,10 +1221,13 @@ void MyPipeFrame::OnClose(wxCloseEvent& event) void MyPipeFrame::OnProcessTerm(wxProcessEvent& WXUNUSED(event)) { + DoGet(); + delete m_process; m_process = NULL; wxLogWarning(_T("The other process has terminated, closing")); - Close(); + DisableInput(); + DisableOutput(); }