void AppsPageComponent::startOrFocusApp(AppIconButton* appButton) {
if (debounce) return;
bool shouldStart = true;
int appIdx = runningAppsByButton[appButton];
bool hasLaunched = runningApps[appIdx] != nullptr;
String windowId;
if(hasLaunched) {
const auto shellWords = split(appButton->shell, " ");
const auto& cmdName = shellWords[0];
StringArray findCmd{"xdotool", "search", "--all", "--limit", "1", "--class", cmdName.toRawUTF8()};
ChildProcess findWindow;
findWindow.start(findCmd);
findWindow.waitForProcessToFinish(1000);
windowId = findWindow.readAllProcessOutput().trimEnd();
// does xdotool find a window id? if so, we shouldn't start a new one
shouldStart = (windowId.length() > 0) ? false : true;
}
if (shouldStart) {
startApp(appButton);
}
else {
focusApp(appButton, windowId);
}
};
//! Starts the socket thread
void SocketThread::run() {
std::string p_socketFile = ("/tmp/isis_qview_" + Application::UserName()).toAscii().data();
struct sockaddr_un p_socketName;
p_socketName.sun_family = AF_UNIX;
strcpy(p_socketName.sun_path, p_socketFile.c_str());
int p_socket;
// Create a socket
if((p_socket = socket(PF_UNIX, SOCK_STREAM, 0)) < 0) {
std::string msg = "Unable to create socket";
std::cerr << msg << std::endl;
remove(p_socketFile.c_str());
return;
}
// Setting a timeout didn't work for Mac, so we're using a non-blocking mode
// instead.
fcntl(p_socket, F_SETFL, O_NONBLOCK);
// Bind the file to the socket
int status = bind(p_socket, (struct sockaddr *)&p_socketName, sizeof(p_socketName));
if(status < 0) {
std::string msg = "Unable to bind to socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
remove(p_socketFile.c_str());
return;
}
// Set up to listen to the socket
if(listen(p_socket, 5) < 0) {
std::string msg = "Unable to listen to socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
remove(p_socketFile.c_str());
return;
}
p_done = false;
while(!p_done) {
// Accept Socket
socklen_t len = sizeof(&p_socketName);
int childSocket = accept(p_socket, (struct sockaddr *)&p_socketName, &len);
if (childSocket < 0)
if (errno == EWOULDBLOCK) {
msleep(100);
continue; // probably timed out, we cant do anything about this anyways
}
// Receive Data
int bytes;
// This used to be char buf[1024*1024]; but when that line existed the
// mac OS's would crash unpredictably, even when the code on that
// line wasn't executed.
QScopedPointer< char, QScopedPointerArrayDeleter<char> > buf(
new char[1024*1024]);
if((bytes = recv(childSocket, buf.data(), 1024 * 1024, 0)) < 0) {
std::string msg = "Unable to read from socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
remove(p_socketFile.c_str());
return;
}
// Push everything onto our string buffer
IString buffer;
for(int i = 0; i < bytes; i++) buffer += buf.data()[i];
while(buffer.size() > 0) {
IString token = buffer.Token(" ");
if(token == "raise") {
emit focusApp();
}
else emit newImage(token.c_str());
}
};
}
//! Starts the socket thread
void SocketThread::run() {
std::string p_socketFile = "/tmp/isis_qview_" + Isis::Application::UserName();
struct sockaddr_un p_socketName;
p_socketName.sun_family = AF_UNIX;
strcpy(p_socketName.sun_path,p_socketFile.c_str());
int p_socket;
// Create a socket
if ((p_socket = socket(PF_UNIX,SOCK_STREAM,0)) < 0) {
std::string msg = "Unable to create socket";
std::cerr << msg << std::endl;
return;
}
//const long unsigned int timeout = 1;
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000;
if(setsockopt(p_socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(struct timeval)) != 0) {
std::string msg = "Unable set socket timeout";
std::cerr << msg << std::endl;
return;
}
// Bind the file to the socket
int status = bind(p_socket,(struct sockaddr *)&p_socketName, sizeof(p_socketName));
if (status < 0) {
std::string msg = "Unable to bind to socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
return;
}
// Set up to listen to the socket
if (listen(p_socket,5) < 0) {
std::string msg = "Unable to listen to socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
return;
}
p_done = false;
while(!p_done) {
// Accept Socket
socklen_t len;
int childSocket = accept(p_socket, (struct sockaddr *)&p_socketName, &len);
if (childSocket < 0) {
continue; // probably timed out, we cant do anything about this anyways
}
// Receive Data
int bytes;
char buf[1024*1024];
if ((bytes = recv(childSocket,&buf,1024*1024,0)) < 0) {
std::string msg = "Unable to read from socket [" + p_socketFile + "]";
std::cerr << msg << std::endl;
return;
}
// Push everything onto our string buffer
Isis::iString buffer;
for (int i=0; i<bytes; i++) buffer += buf[i];
while (buffer.size() > 0) {
Isis::iString token = buffer.Token(" ");
if (token == "raise") {
emit focusApp();
}
else emit newImage(token.c_str());
}
};
}
