]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/exec/exec.cpp
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[wxWidgets.git] / samples / exec / exec.cpp
index ab63144a8e8d11fa30e9636304cca83bc971a3d5..ada37bb7ac233b319a4981ff779be79c38bccea3 100644 (file)
@@ -43,6 +43,8 @@
     #include "wx/choicdlg.h"
 
     #include "wx/button.h"
+    #include "wx/checkbox.h"
+    #include "wx/stattext.h"
     #include "wx/textctrl.h"
     #include "wx/listbox.h"
 
@@ -53,6 +55,7 @@
 #include "wx/numdlg.h"
 #include "wx/textdlg.h"
 #include "wx/ffile.h"
+#include "wx/scopedptr.h"
 #include "wx/stopwatch.h"
 
 #include "wx/process.h"
     #include "wx/dde.h"
 #endif // __WINDOWS__
 
+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"
+#endif
+
 // ----------------------------------------------------------------------------
 // the usual application and main frame classes
 // ----------------------------------------------------------------------------
@@ -106,7 +113,6 @@ public:
     void OnEndBusyCursor(wxCommandEvent& event);
 
     void OnSyncExec(wxCommandEvent& event);
-    void OnSyncNoEventsExec(wxCommandEvent& event);
     void OnAsyncExec(wxCommandEvent& event);
     void OnShell(wxCommandEvent& event);
     void OnExecWithRedirect(wxCommandEvent& event);
@@ -117,6 +123,7 @@ public:
     void OnFileExec(wxCommandEvent& event);
     void OnFileLaunch(wxCommandEvent& event);
     void OnOpenURL(wxCommandEvent& event);
+    void OnShowCommandForExt(wxCommandEvent& event);
 
     void OnAbout(wxCommandEvent& event);
 
@@ -139,6 +146,8 @@ private:
                     const wxArrayString& output,
                     const wxString& title);
 
+    int GetExecFlags() const;
+
     void DoAsyncExec(const wxString& cmd);
 
     void AddAsyncProcess(MyProcess *process) { m_allAsync.push_back(process); }
@@ -305,24 +314,27 @@ enum
     Exec_TimerBg,
 
     // menu items
-    Exec_Quit = 100,
-    Exec_Kill,
+    Exec_Kill = 100,
     Exec_ClearLog,
     Exec_BeginBusyCursor,
     Exec_EndBusyCursor,
     Exec_SyncExec = 200,
-    Exec_SyncNoEventsExec,
     Exec_AsyncExec,
     Exec_Shell,
     Exec_POpen,
     Exec_OpenFile,
+    Exec_ShowCommandForExt,
     Exec_LaunchFile,
     Exec_OpenURL,
     Exec_DDEExec,
     Exec_DDERequest,
     Exec_Redirect,
     Exec_Pipe,
+    Exec_Flags_HideConsole,
+    Exec_Flags_ShowConsole,
+    Exec_Flags_NoEvents,
     Exec_About = wxID_ABOUT,
+    Exec_Quit = wxID_EXIT,
 
     // control ids
     Exec_Btn_Send = 1000,
@@ -348,7 +360,6 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     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)
@@ -357,6 +368,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Exec_POpen, MyFrame::OnPOpen)
 
     EVT_MENU(Exec_OpenFile, MyFrame::OnFileExec)
+    EVT_MENU(Exec_ShowCommandForExt, MyFrame::OnShowCommandForExt)
     EVT_MENU(Exec_LaunchFile, MyFrame::OnFileLaunch)
     EVT_MENU(Exec_OpenURL, MyFrame::OnOpenURL)
 
@@ -411,9 +423,8 @@ bool MyApp::OnInit()
     MyFrame *frame = new MyFrame(wxT("Exec wxWidgets sample"),
                                  wxDefaultPosition, wxSize(500, 140));
 
-    // Show it and tell the application that it's our main window
+    // Show it
     frame->Show(true);
-    SetTopWindow(frame);
 
     // success: wxApp::OnRun() will be called which will enter the main message
     // loop and the application will run. If we returned false here, the
@@ -435,6 +446,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
          m_timerIdleWakeUp(this, Exec_TimerIdle),
          m_timerBg(this, Exec_TimerBg)
 {
+    SetIcon(wxICON(sample));
+
     m_pidLast = 0;
 
 #ifdef __WXMAC__
@@ -448,19 +461,35 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     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->Append(Exec_OpenFile, wxT("Open &file...\tCtrl-F"),
+                     wxT("Launch the command to open this kind of files"));
+    menuFile->Append(Exec_ShowCommandForExt,
+                     "Show association for extension...\tShift-Ctrl-A",
+                     "Show the command associated with the given extension");
+    menuFile->Append(Exec_LaunchFile, wxT("La&unch file...\tShift-Ctrl-F"),
+                     wxT("Launch the default application associated with the file"));
+    menuFile->Append(Exec_OpenURL, wxT("Open &URL...\tCtrl-U"),
+                     wxT("Launch the default browser with the given URL"));
     menuFile->AppendSeparator();
     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_ClearLog, wxT("&Clear log\tCtrl-L"),
+                     wxT("Clear the log window"));
+    menuFile->AppendSeparator();
     menuFile->Append(Exec_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 
+    wxMenu *flagsMenu = new wxMenu;
+    flagsMenu->AppendCheckItem(Exec_Flags_HideConsole, "Always &hide console");
+    flagsMenu->AppendCheckItem(Exec_Flags_ShowConsole, "Always &show console");
+    flagsMenu->AppendCheckItem(Exec_Flags_NoEvents, "Disable &events",
+                               "This flag is valid for sync execution only");
+
     wxMenu *execMenu = new wxMenu;
+    execMenu->AppendSubMenu(flagsMenu, "Execution flags");
+    execMenu->AppendSeparator();
     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"),
@@ -473,13 +502,6 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     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, 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, wxT("Execute command via &DDE...\tCtrl-D"));
@@ -487,7 +509,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 #endif
 
     wxMenu *helpMenu = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
-    helpMenu->Append(Exec_About, wxT("&About...\tF1"), wxT("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();
@@ -502,7 +524,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     m_lbox = new wxListBox(this, wxID_ANY);
     wxFont font(12, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL,
                 wxFONTWEIGHT_NORMAL);
-    if ( font.Ok() )
+    if ( font.IsOk() )
         m_lbox->SetFont(font);
 
 #if wxUSE_STATUSBAR
@@ -571,6 +593,8 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
         return;
     }
 
+    m_pidLast = pid;
+
     static const wxString signalNames[] =
     {
         wxT("Just test (SIGNONE)"),
@@ -591,9 +615,11 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
         wxT("Terminate (SIGTERM)"),
     };
 
+    static int s_sigLast = wxSIGNONE;
     int sig = wxGetSingleChoiceIndex(wxT("How to kill the process?"),
                                      wxT("Exec question"),
                                      WXSIZEOF(signalNames), signalNames,
+                                     s_sigLast,
                                      this);
     switch ( sig )
     {
@@ -624,8 +650,11 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
             break;
     }
 
-    if ( sig == 0 )
+    s_sigLast = sig;
+
+    if ( sig == wxSIGNONE )
     {
+        // This simply calls Kill(wxSIGNONE) but using it is more convenient.
         if ( wxProcess::Exists(pid) )
         {
             wxLogStatus(wxT("Process %ld is running."), pid);
@@ -659,14 +688,171 @@ void MyFrame::OnKill(wxCommandEvent& WXUNUSED(event))
     }
 }
 
+// ----------------------------------------------------------------------------
+// execution options dialog
+// ----------------------------------------------------------------------------
+
+enum ExecQueryDialogID
+{
+    TEXT_EXECUTABLE,
+    TEXT_CWD,
+    TEXT_ENVIRONMENT
+};
+
+class ExecQueryDialog : public wxDialog
+{
+public:
+    ExecQueryDialog(const wxString& cmd);
+
+    wxString GetExecutable() const
+    {
+        return m_executable->GetValue();
+    }
+
+    wxString GetWorkDir() const
+    {
+        return m_useCWD->GetValue() ? m_cwdtext->GetValue() : wxString();
+    }
+
+    void GetEnvironment(wxEnvVariableHashMap& env);
+
+private:
+    void OnUpdateWorkingDirectoryUI(wxUpdateUIEvent& event)
+    {
+        event.Enable(m_useCWD->GetValue());
+    }
+
+    void OnUpdateEnvironmentUI(wxUpdateUIEvent& event)
+    {
+        event.Enable(m_useEnv->GetValue());
+    }
+
+    wxTextCtrl* m_executable;
+    wxTextCtrl* m_cwdtext;
+    wxTextCtrl* m_envtext;
+    wxCheckBox* m_useCWD;
+    wxCheckBox* m_useEnv;
+
+    DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(ExecQueryDialog, wxDialog)
+    EVT_UPDATE_UI(TEXT_CWD, ExecQueryDialog::OnUpdateWorkingDirectoryUI)
+    EVT_UPDATE_UI(TEXT_ENVIRONMENT, ExecQueryDialog::OnUpdateEnvironmentUI)
+END_EVENT_TABLE()
+
+ExecQueryDialog::ExecQueryDialog(const wxString& cmd)
+    : wxDialog(NULL, wxID_ANY, DIALOG_TITLE,
+               wxDefaultPosition, wxDefaultSize,
+               wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
+{
+    wxSizer* globalSizer = new wxBoxSizer(wxVERTICAL);
+
+    m_executable = new wxTextCtrl(this, TEXT_EXECUTABLE, wxString());
+    m_cwdtext = new wxTextCtrl(this, TEXT_CWD, wxString());
+    m_envtext = new wxTextCtrl(this, TEXT_ENVIRONMENT, wxString(),
+                               wxDefaultPosition, wxSize(300, 200),
+                               wxTE_MULTILINE|wxHSCROLL);
+
+    const wxSizerFlags flagsExpand = wxSizerFlags().Expand().Border();
+    globalSizer->Add(new wxStaticText(this, wxID_ANY, "Enter the command: "),
+                     flagsExpand);
+    globalSizer->Add(m_executable, flagsExpand);
+
+    m_useCWD = new wxCheckBox(this, wxID_ANY, "Working directory: ");
+    globalSizer->Add(m_useCWD, flagsExpand);
+    globalSizer->Add(m_cwdtext, flagsExpand);
+
+    m_useEnv = new wxCheckBox(this, wxID_ANY, "Environment: ");
+    globalSizer->Add(m_useEnv, flagsExpand);
+    globalSizer->Add(m_envtext, wxSizerFlags(flagsExpand).Proportion(1));
+
+    globalSizer->Add(CreateStdDialogButtonSizer(wxOK|wxCANCEL), flagsExpand);
+    SetSizerAndFit(globalSizer);
+
+
+    m_executable->SetValue(cmd);
+    m_cwdtext->SetValue(wxGetCwd());
+    wxEnvVariableHashMap env;
+    if ( wxGetEnvMap(&env) )
+    {
+        for ( wxEnvVariableHashMap::iterator it = env.begin();
+              it != env.end();
+              ++it )
+        {
+            m_envtext->AppendText(it->first + '=' + it->second + '\n');
+        }
+    }
+    m_useCWD->SetValue(false);
+    m_useEnv->SetValue(false);
+}
+
+void ExecQueryDialog::GetEnvironment(wxEnvVariableHashMap& env)
+{
+    env.clear();
+    if ( m_useEnv->GetValue() )
+    {
+        wxString name,
+                 value;
+
+        const int nb = m_envtext->GetNumberOfLines();
+        for ( int l = 0; l < nb; l++ )
+        {
+            const wxString line = m_envtext->GetLineText(l).Trim();
+
+            if ( !line.empty() )
+            {
+                name = line.BeforeFirst('=', &value);
+                if ( name.empty() )
+                {
+                    wxLogWarning("Skipping invalid environment line \"%s\".", line);
+                    continue;
+                }
+
+                env[name] = value;
+            }
+        }
+    }
+}
+
+static bool QueryExec(wxString& cmd, wxExecuteEnv& env)
+{
+    ExecQueryDialog dialog(cmd);
+
+    if ( dialog.ShowModal() != wxID_OK )
+        return false;
+
+    cmd = dialog.GetExecutable();
+    env.cwd = dialog.GetWorkDir();
+    dialog.GetEnvironment(env.env);
+
+    return true;
+}
+
 // ----------------------------------------------------------------------------
 // event handlers: exec menu
 // ----------------------------------------------------------------------------
 
+int MyFrame::GetExecFlags() const
+{
+    wxMenuBar* const mbar = GetMenuBar();
+
+    int flags = 0;
+
+    if ( mbar->IsChecked(Exec_Flags_HideConsole) )
+        flags |= wxEXEC_HIDE_CONSOLE;
+    if ( mbar->IsChecked(Exec_Flags_ShowConsole) )
+        flags |= wxEXEC_SHOW_CONSOLE;
+    if ( mbar->IsChecked(Exec_Flags_NoEvents) )
+        flags |= wxEXEC_NOEVENTS;
+
+    return flags;
+}
+
 void MyFrame::DoAsyncExec(const wxString& cmd)
 {
     MyProcess * const process = new MyProcess(this, cmd);
-    m_pidLast = wxExecute(cmd, wxEXEC_ASYNC, process);
+    m_pidLast = wxExecute(cmd, wxEXEC_ASYNC | GetExecFlags(), process);
     if ( !m_pidLast )
     {
         wxLogError(wxT("Execution of '%s' failed."), cmd.c_str());
@@ -687,35 +873,14 @@ void MyFrame::DoAsyncExec(const wxString& cmd)
 
 void MyFrame::OnSyncExec(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_SYNC);
-
-    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 )
+    wxString cmd;
+    wxExecuteEnv env;
+    if ( !QueryExec(cmd, env) )
         return;
 
     wxLogStatus( wxT("'%s' is running please wait..."), cmd.c_str() );
 
-    int code = wxExecute(cmd, wxEXEC_BLOCK);
+    int code = wxExecute(cmd, wxEXEC_SYNC | GetExecFlags(), NULL, &env);
 
     wxLogStatus(wxT("Process '%s' terminated with exit code %d."),
         cmd.c_str(), code);
@@ -797,11 +962,8 @@ void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
         wxLogStatus("Command \"%s\" terminated after %ldms; exit code %d.",
                     cmd, sw.Time(), code);
 
-        if ( code != -1 )
-        {
-            ShowOutput(cmd, output, wxT("Output"));
-            ShowOutput(cmd, errors, wxT("Errors"));
-        }
+        ShowOutput(cmd, output, wxT("Output"));
+        ShowOutput(cmd, errors, wxT("Errors"));
     }
     else // async exec
     {
@@ -940,6 +1102,41 @@ void MyFrame::OnFileExec(wxCommandEvent& WXUNUSED(event))
     DoAsyncExec(cmd);
 }
 
+void MyFrame::OnShowCommandForExt(wxCommandEvent& WXUNUSED(event))
+{
+    static wxString s_ext;
+
+    wxString ext = wxGetTextFromUser
+                   (
+                    "Enter the extension without leading dot",
+                    "Exec sample",
+                    s_ext,
+                    this
+                   );
+    if ( ext.empty() )
+        return;
+
+    s_ext = ext;
+
+    wxScopedPtr<wxFileType>
+        ft(wxTheMimeTypesManager->GetFileTypeFromExtension(ext));
+    if ( !ft )
+    {
+        wxLogError("Information for extension \"%s\" not found", ext);
+        return;
+    }
+
+    const wxString cmd = ft->GetOpenCommand("file." + ext);
+    if ( cmd.empty() )
+    {
+        wxLogWarning("Open command for extension \"%s\" not defined.", ext);
+        return;
+    }
+
+    wxLogMessage("Open command for files of extension \"%s\" is\n%s",
+                 ext, cmd);
+}
+
 void MyFrame::OnFileLaunch(wxCommandEvent& WXUNUSED(event))
 {
     if ( !AskUserForFileName() )
@@ -1323,8 +1520,8 @@ void MyPipeFrame::DoGetFromStream(wxTextCtrl *text, wxInputStream& in)
 {
     while ( in.CanRead() )
     {
-        wxChar buffer[4096];
-        buffer[in.Read(buffer, WXSIZEOF(buffer) - 1).LastRead()] = wxT('\0');
+        char buffer[4096];
+        buffer[in.Read(buffer, WXSIZEOF(buffer) - 1).LastRead()] = '\0';
 
         text->AppendText(buffer);
     }
@@ -1370,8 +1567,7 @@ void MyPipeFrame::OnProcessTerm(wxProcessEvent& WXUNUSED(event))
 {
     DoGet();
 
-    delete m_process;
-    m_process = NULL;
+    wxDELETE(m_process);
 
     wxLogWarning(wxT("The other process has terminated, closing"));