#include "wx/numdlg.h"
#include "wx/textdlg.h"
#include "wx/ffile.h"
+#include "wx/stopwatch.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 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
-
- m_running.Add(process);
- }
+ void AddAsyncProcess(MyProcess *process) { m_allAsync.push_back(process); }
- void RemoveAsyncProcess(MyPipedProcess *process)
- {
- m_running.Remove(process);
+ void AddPipedProcess(MyPipedProcess *process);
+ void RemovePipedProcess(MyPipedProcess *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,
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)
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;
#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);
}
}
void MyFrame::OnExecWithRedirect(wxCommandEvent& WXUNUSED(event))
{
+ if ( !m_cmdLast )
+ {
+#ifdef __WXMSW__
+ m_cmdLast = "type Makefile.in";
+#else
+ m_cmdLast = "cat -n Makefile";
+#endif
+ }
+
wxString cmd = wxGetTextFromUser(_T("Enter the command: "),
DIALOG_TITLE,
m_cmdLast);
if ( sync )
{
+ wxLogStatus("\"%s\" is running please wait...", cmd);
+
+ wxStopWatch sw;
+
wxArrayString output, errors;
int code = wxExecute(cmd, output, errors);
- wxLogStatus(_T("command '%s' terminated with exit code %d."),
- cmd.c_str(), code);
+
+ wxLogStatus("Command \"%s\" terminated after %ldms; exit code %d.",
+ cmd, sw.Time(), 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(_T("any file"), NULL, s_filename, this);
+ 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);
void MyFrame::OnOpenURL(wxCommandEvent& WXUNUSED(event))
{
- static wxString s_filename;
+ static wxString s_filename(_T("http://www.wxwidgets.org/"));
wxString filename = wxGetTextFromUser
(
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