#include "wx/txtstrm.h"
#include "wx/numdlg.h"
+#include "wx/textdlg.h"
#include "wx/ffile.h"
#include "wx/process.h"
// 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);
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);
void OnPOpen(wxCommandEvent& event);
void OnFileExec(wxCommandEvent& event);
+ void OnOpenURL(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnProcessTerminated(MyPipedProcess *process);
wxListBox *GetLogListBox() const { return m_lbox; }
+ // for MyProcess
+ void OnAsyncTermination(MyProcess *process);
+
private:
void ShowOutput(const wxString& cmd,
const wxArrayString& output,
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
+ void AddAsyncProcess(MyProcess *process) { m_allAsync.push_back(process); }
- m_running.Add(process);
- }
+ void AddPipedProcess(MyPipedProcess *process);
+ void RemovePipedProcess(MyPipedProcess *process);
- void RemoveAsyncProcess(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();
- }
- }
// the PID of the last process we launched asynchronously
long m_pidLast;
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;
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_OpenURL,
Exec_DDEExec,
Exec_DDERequest,
Exec_Redirect,
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)
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)
// `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));
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"),
+ menuFile->Append(Exec_ClearLog, _T("&Clear log\tCtrl-L"),
_T("Clear the log window"));
menuFile->AppendSeparator();
+ menuFile->Append(Exec_BeginBusyCursor, _T("Show &busy cursor\tCtrl-C"));
+ menuFile->Append(Exec_EndBusyCursor, _T("Show &normal cursor\tShift-Ctrl-C"));
+ menuFile->AppendSeparator();
menuFile->Append(Exec_Quit, _T("E&xit\tAlt-X"), _T("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_SyncNoEventsExec, _T("Sync execution and &block...\tCtrl-B"),
+ _T("Launch a program and block until 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"),
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"));
#endif // wxUSE_STATUSBAR
}
+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];
+ }
+}
+
// ----------------------------------------------------------------------------
// event handlers: file and help menu
// ----------------------------------------------------------------------------
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(c) 2000-2002 Vadim Zeitlin"),
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(_T("Execution of '%s' failed."), cmd.c_str());
delete process;
}
else
{
- wxLogStatus( _T("Process %ld (%s) launched."),
- m_pidLast, cmd.c_str() );
+ wxLogStatus(_T("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);
}
}
m_cmdLast = cmd;
}
+void MyFrame::OnSyncNoEventsExec(wxCommandEvent& WXUNUSED(event))
+{
+ wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
+ DIALOG_TITLE,
+ m_cmdLast);
+
+ if ( !cmd )
+ return;
+
+ wxLogStatus( _T("'%s' is running please wait..."), cmd.c_str() );
+
+ int code = wxExecute(cmd, wxEXEC_BLOCK);
+
+ wxLogStatus(_T("Process '%s' terminated with exit code %d."),
+ cmd.c_str(), code);
+
+ m_cmdLast = cmd;
+}
+
void MyFrame::OnAsyncExec(wxCommandEvent& WXUNUSED(event))
{
wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
if ( sync )
{
+ wxLogStatus( _T("'%s' is running please wait..."), cmd.c_str() );
+
wxArrayString output, errors;
int code = wxExecute(cmd, output, errors);
- wxLogStatus(_T("command '%s' terminated with exit code %d."),
+
+ wxLogStatus(_T("Command '%s' terminated with exit code %d."),
cmd.c_str(), code);
if ( code != -1 )
}
else
{
- AddAsyncProcess(process);
+ AddPipedProcess(process);
}
}
long pid = wxExecute(cmd, wxEXEC_ASYNC, process);
if ( pid )
{
- wxLogStatus( _T("Process %ld (%s) launched."), pid, cmd.c_str() );
+ wxLogStatus(_T("Process %ld (%s) launched."), pid, cmd.c_str());
- AddAsyncProcess(process);
+ AddPipedProcess(process);
}
else
{
wxString filename;
#if wxUSE_FILEDLG
- filename = wxLoadFileSelector(wxEmptyString, wxEmptyString, s_filename);
-#endif // wxUSE_FILEDLG
+ filename = wxLoadFileSelector(_T("any file"), wxEmptyString, 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;
DoAsyncExec(cmd);
}
+void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
+{
+ static wxString s_filename(_T("http://www.wxwidgets.org/"));
+
+ 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
// ----------------------------------------------------------------------------
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,
wxLogStatus(m_parent, _T("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);
}
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff