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#include "TerminalEmulator.h"
#include <wx/filename.h>
#include <wx/log.h>
#include "processreaderthread.h"
#include "macros.h"
#include <algorithm>
#include "dirsaver.h"
#ifndef __WXMSW__
#include <signal.h>
#endif
wxDEFINE_EVENT(wxEVT_TERMINAL_COMMAND_EXIT, clCommandEvent);
wxDEFINE_EVENT(wxEVT_TERMINAL_COMMAND_OUTPUT, clCommandEvent);
class MyProcess : public wxProcess
{
public:
TerminalEmulator* m_parent;
public:
MyProcess(TerminalEmulator* parent)
: wxProcess(parent)
, m_parent(parent)
{
if(m_parent) {
m_parent->m_myProcesses.push_back(this);
}
}
virtual ~MyProcess() { m_parent = NULL; }
void OnTerminate(int pid, int status)
{
if(m_parent) {
clCommandEvent terminateEvent(wxEVT_TERMINAL_COMMAND_EXIT);
m_parent->AddPendingEvent(terminateEvent);
m_parent->m_pid = wxNOT_FOUND;
std::list<wxProcess*>::iterator iter = std::find_if(m_parent->m_myProcesses.begin(),
m_parent->m_myProcesses.end(),
[&](wxProcess* proc) { return proc == this; });
if(iter != m_parent->m_myProcesses.end()) {
m_parent->m_myProcesses.erase(iter);
}
delete this;
}
}
};
TerminalEmulator::TerminalEmulator()
: m_process(NULL)
, m_pid(wxNOT_FOUND)
{
Bind(wxEVT_ASYNC_PROCESS_OUTPUT, &TerminalEmulator::OnProcessOutput, this);
Bind(wxEVT_ASYNC_PROCESS_TERMINATED, &TerminalEmulator::OnProcessTerminated, this);
}
TerminalEmulator::~TerminalEmulator()
{
Unbind(wxEVT_ASYNC_PROCESS_OUTPUT, &TerminalEmulator::OnProcessOutput, this);
Unbind(wxEVT_ASYNC_PROCESS_TERMINATED, &TerminalEmulator::OnProcessTerminated, this);
std::for_each(m_myProcesses.begin(), m_myProcesses.end(), [&](wxProcess* proc) {
MyProcess* myproc = dynamic_cast<MyProcess*>(proc);
myproc->m_parent = NULL;
});
}
bool TerminalEmulator::ExecuteConsole(const wxString& command,
const wxString& workingDirectory,
bool waitOnExit,
const wxString& title)
{
wxString consoleCommand;
wxString strTitle = title;
if(strTitle.IsEmpty()) {
strTitle << "'" << command << "'";
} else {
strTitle.Prepend("'").Append("'");
}
#ifdef __WXMSW__
consoleCommand = PrepareCommand(command, strTitle, waitOnExit);
#elif defined(__WXGTK__)
// Test for the common terminals on Linux
// gnome-terminal, konsole and lxterminal are all starting asychronously
// this means that "waitOnExit" has no effect here
if(wxFileName::Exists("/usr/bin/gnome-terminal") && !waitOnExit) {
consoleCommand << "/usr/bin/gnome-terminal -t " << strTitle << " -x "
<< PrepareCommand(command, strTitle, waitOnExit);
} else if(wxFileName::Exists("/usr/bin/konsole") && !waitOnExit) {
consoleCommand << "/usr/bin/konsole -e " << PrepareCommand(command, strTitle, waitOnExit);
} else if(wxFileName::Exists("/usr/bin/lxterminal") && !waitOnExit) {
consoleCommand << "/usr/bin/lxterminal -T " << strTitle << " -e "
<< PrepareCommand(command, strTitle, waitOnExit);
} else if(wxFileName::Exists("/usr/bin/uxterm")) {
consoleCommand << "/usr/bin/uxterm -T " << strTitle << " -e " << PrepareCommand(command, strTitle, waitOnExit);
} else if(wxFileName::Exists("/usr/bin/xterm")) {
consoleCommand << "/usr/bin/xterm -T " << strTitle << " -e " << PrepareCommand(command, strTitle, waitOnExit);
}
#elif defined(__WXMAC__)
consoleCommand = TERMINAL_CMD;
consoleCommand.Replace("$(CMD)", command);
wxUnusedVar(strTitle);
wxUnusedVar(waitOnExit);
#endif
if(consoleCommand.IsEmpty()) return false;
wxLogMessage(consoleCommand);
// Create the process as group leader, this way we make sure that killing it
// will also kill all the children processes
DirSaver ds;
if(!workingDirectory.IsEmpty()) {
wxSetWorkingDirectory(workingDirectory);
wxLogMessage("Working directory is now: " + ::wxGetCwd());
}
wxLogMessage(consoleCommand);
m_pid = ::wxExecute(consoleCommand, wxEXEC_ASYNC | wxEXEC_MAKE_GROUP_LEADER, new MyProcess(this));
return (m_pid != 0);
}
wxString TerminalEmulator::PrepareCommand(const wxString& str, const wxString& title, bool waitOnExit)
{
wxString command;
#ifdef __WXGTK__
// First escape any double quotes
// so "Some Command" -> \"Some Command\"
wxString escapedString = str;
escapedString.Replace("\"", "\\\"");
command << "/bin/bash -c \"" << escapedString;
if(waitOnExit) {
command << " ; echo 'Hit ENTER to continue' ; read";
}
command << "\"";
#elif defined(__WXMSW__)
// Windows
wxString escapedString = str;
command << "cmd /C call title \"" << title << "\" && " << escapedString;
if(waitOnExit) {
command << " && echo \"\" & pause";
}
#else
// OSX
#endif
return command;
}
void TerminalEmulator::OnProcessTerminated(clProcessEvent& event)
{
// Process terminated
wxDELETE(m_process);
m_pid = wxNOT_FOUND;
// Notify that the terminal has terminated
clCommandEvent terminateEvent(wxEVT_TERMINAL_COMMAND_EXIT);
AddPendingEvent(terminateEvent);
}
void TerminalEmulator::Terminate()
{
if(IsRunning()) {
if(m_process) {
m_process->Terminate();
}
if(m_pid != wxNOT_FOUND) {
wxKill(m_pid, wxSIGKILL, NULL, wxKILL_CHILDREN);
m_pid = wxNOT_FOUND;
}
}
}
bool TerminalEmulator::IsRunning() const { return (m_process != NULL) || (m_pid != wxNOT_FOUND); }
void TerminalEmulator::OnProcessOutput(clProcessEvent& event)
{
clCommandEvent evtOutput(wxEVT_TERMINAL_COMMAND_OUTPUT);
evtOutput.SetString(event.GetOutput());
AddPendingEvent(evtOutput);
}
bool TerminalEmulator::ExecuteNoConsole(const wxString& commandToRun, const wxString& workingDirectory)
{
if(m_process) {
// another process is running
return false;
}
wxString command;
#ifdef __WXMSW__
wxString shell = wxGetenv("COMSPEC");
if(shell.IsEmpty()) {
shell = "CMD";
}
command << shell << wxT(" /c \"");
command << commandToRun << wxT("\"");
#else
wxString tmpCmd = commandToRun;
command << "/bin/sh -c '";
// escape any single quoutes
tmpCmd.Replace("'", "\\'");
command << tmpCmd << "'";
#endif
wxLogMessage("TerminalEmulator::ExecuteNoConsole: %s", command);
m_process = ::CreateAsyncProcess(this, command, IProcessCreateWithHiddenConsole, workingDirectory);
return m_process != NULL;
}
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