Save and restore file history in docview sample.

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

diff --git a/samples/exec/exec.cpp b/samples/exec/exec.cpp
index fcbe8b302937394bfa05e72cbfacc6eb7d5d49f0..07aa3b0b3efc86b761d88eb9eb59196b4864baa5 100644 (file)
--- a/samples/exec/exec.cpp
+++ b/samples/exec/exec.cpp
@@ -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"
 
@@ -411,9 +413,8 @@ 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
@@ -502,7 +503,7 @@ 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
@@ -666,6 +667,147 @@ 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
 // ----------------------------------------------------------------------------
@@ -694,16 +836,14 @@ 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 )
+    wxString cmd;
+    wxExecuteEnv env;
+    if ( !QueryExec(cmd, env) )
         return;
 
     wxLogStatus( wxT("'%s' is running please wait..."), cmd.c_str() );
 
-    int code = wxExecute(cmd, wxEXEC_SYNC);
+    int code = wxExecute(cmd, wxEXEC_SYNC, NULL, &env);
 
     wxLogStatus(wxT("Process '%s' terminated with exit code %d."),
         cmd.c_str(), code);
@@ -1330,8 +1470,8 @@ 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);
     }