#include "support/ProgressInterface.h"
#include "LyX.h"
-#include "LyXRC.h"
#include <cstdlib>
#include <iostream>
#include <QProcess>
-#include <QTime>
+#include <QElapsedTimer>
#include <QThread>
#include <QCoreApplication>
#include <QDebug>
public:
ProgressDummy() {}
- void processStarted(QString const &) {}
- void processFinished(QString const &) {}
- void appendMessage(QString const &) {}
- void appendError(QString const &) {}
- void clearMessages() {}
- void lyxerrFlush() {}
+ void processStarted(QString const &) override {}
+ void processFinished(QString const &) override {}
+ void appendMessage(QString const &) override {}
+ void appendError(QString const &) override {}
+ void clearMessages() override {}
+ void lyxerrFlush() override {}
- void lyxerrConnect() {}
- void lyxerrDisconnect() {}
+ void lyxerrConnect() override {}
+ void lyxerrDisconnect() override {}
- void warning(QString const &, QString const &) {}
- void toggleWarning(QString const &, QString const &, QString const &) {}
- void error(QString const &, QString const &, QString const &) {}
- void information(QString const &, QString const &) {}
+ void warning(QString const &, QString const &) override {}
+ void toggleWarning(QString const &, QString const &, QString const &) override {}
+ void error(QString const &, QString const &, QString const &) override {}
+ void information(QString const &, QString const &) override {}
int prompt(docstring const &, docstring const &, int default_but, int,
- docstring const &, docstring const &) { return default_but; }
+ docstring const &, docstring const &) override { return default_but; }
};
-static ProgressInterface * progress_instance = 0;
+static ProgressInterface * progress_instance = nullptr;
void ProgressInterface::setInstance(ProgressInterface* p)
{
bool in_single_quote = false;
bool in_double_quote = false;
bool escaped = false;
- string const python_call = "python -tt";
+ string const python_call = os::python();
vector<string> outcmd(4);
size_t start = 0;
in_double_quote = !in_double_quote;
}
} else if (c == '\\' && !escaped) {
- escaped = !escaped;
+ escaped = true;
} else if (c == '>' && !(in_double_quote || escaped)) {
if (suffixIs(outcmd[o], " 2")) {
outcmd[o] = rtrim(outcmd[o], "2");
} // namespace
+void Systemcall::killscript()
+{
+ SystemcallPrivate::kill_script = true;
+}
+
+
int Systemcall::startscript(Starttype how, string const & what,
string const & path, string const & lpath,
bool process_events)
parsecmd(what_ss, infile, outfile, errfile).c_str());
SystemcallPrivate d(infile, outfile, errfile);
+ bool do_events = process_events || how == WaitLoop;
-#ifdef Q_OS_WIN32
- // QProcess::startDetached cannot provide environment variables. When the
- // environment variables are set using the latexEnvCmdPrefix and the process
- // is started with QProcess::startDetached, a console window is shown every
- // time a viewer is started. To avoid this, we fall back on Windows to the
- // original implementation that creates a QProcess object.
- d.startProcess(cmd, path, lpath, false);
- if (!d.waitWhile(SystemcallPrivate::Starting, process_events, -1)) {
- LYXERR0("Systemcall: '" << cmd << "' did not start!");
- LYXERR0("error " << d.errorMessage());
- return 10;
- }
- if (how == DontWait) {
- d.releaseProcess();
- return 0;
- }
-#else
d.startProcess(cmd, path, lpath, how == DontWait);
if (how == DontWait && d.state == SystemcallPrivate::Running)
- return 0;
+ return OK;
if (d.state == SystemcallPrivate::Error
- || !d.waitWhile(SystemcallPrivate::Starting, process_events, -1)) {
- LYXERR0("Systemcall: '" << cmd << "' did not start!");
- LYXERR0("error " << d.errorMessage());
- return 10;
+ || !d.waitWhile(SystemcallPrivate::Starting, do_events, -1)) {
+ if (d.state == SystemcallPrivate::Error) {
+ LYXERR0("Systemcall: '" << cmd << "' did not start!");
+ LYXERR0("error " << d.errorMessage());
+ return NOSTART;
+ } else if (d.state == SystemcallPrivate::Killed) {
+ LYXERR0("Killed: " << cmd);
+ return KILLED;
+ }
}
-#endif
- if (!d.waitWhile(SystemcallPrivate::Running, process_events,
+ if (!d.waitWhile(SystemcallPrivate::Running, do_events,
os::timeout_min() * 60 * 1000)) {
+ if (d.state == SystemcallPrivate::Killed) {
+ LYXERR0("Killed: " << cmd);
+ return KILLED;
+ }
LYXERR0("Systemcall: '" << cmd << "' did not finish!");
LYXERR0("error " << d.errorMessage());
LYXERR0("status " << d.exitStatusMessage());
- return 20;
+ return TIMEOUT;
}
int const exit_code = d.exitCode();
}
+bool SystemcallPrivate::kill_script = false;
+
+
SystemcallPrivate::SystemcallPrivate(std::string const & sf, std::string const & of,
std::string const & ef)
: state(Error), process_(new QProcess), out_index_(0), err_index_(0),
string const & lpath, bool detached)
{
cmd_ = cmd;
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+ // FIXME pass command and arguments separated in the first place
+ /* The versions of startDetached() and start() that accept a
+ * QStringList object exist since Qt4, but it is only in Qt 5.15
+ * that splitCommand() was introduced and the plain versions of
+ * start/startDetached() have been deprecated.
+ * The cleanest solution would be to have parsecmd() produce a
+ * QStringList for arguments, instead of transforming the string
+ * into something that the QProcess splitter accepts.
+ */
+ QStringList arguments = QProcess::splitCommand(toqstr(latexEnvCmdPrefix(path, lpath)) + cmd_);
+ QString command = (arguments.empty()) ? QString() : arguments.first();
+ if (arguments.size() == 1)
+ arguments.clear();
+ else if (!arguments.empty())
+ arguments.removeFirst();
+#endif
if (detached) {
state = SystemcallPrivate::Running;
+#ifdef Q_OS_WIN32
+ // Avoid opening a console window when a viewer is started
+ if (in_file_.empty())
+ process_->setStandardInputFile(QProcess::nullDevice());
+ if (out_file_.empty())
+ process_->setStandardOutputFile(QProcess::nullDevice());
+ if (err_file_.empty())
+ process_->setStandardErrorFile(QProcess::nullDevice());
+#endif
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+ if (!QProcess::startDetached(command, arguments)) {
+#else
if (!QProcess::startDetached(toqstr(latexEnvCmdPrefix(path, lpath)) + cmd_)) {
+#endif
state = SystemcallPrivate::Error;
return;
}
delete released;
} else if (process_) {
state = SystemcallPrivate::Starting;
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+ process_->start(command, arguments);
+#else
process_->start(toqstr(latexEnvCmdPrefix(path, lpath)) + cmd_);
+#endif
}
}
-void SystemcallPrivate::processEvents()
-{
- if (process_events_) {
- QCoreApplication::processEvents(/*QEventLoop::ExcludeUserInputEvents*/);
- }
-}
-
-
-void SystemcallPrivate::waitAndProcessEvents()
+bool SystemcallPrivate::waitAndCheck()
{
Sleep::millisec(100);
- processEvents();
+ if (kill_script) {
+ // is there a better place to reset this?
+ process_->kill();
+ state = Killed;
+ kill_script = false;
+ LYXERR0("Export Canceled!!");
+ return false;
+ }
+ QCoreApplication::processEvents(/*QEventLoop::ExcludeUserInputEvents*/);
+ return true;
}
while (!timedout) {
if (process_->waitForFinished(timeout))
return true;
- bool stop = queryStopCommand(cmd_);
+ bool const stop = queryStopCommand(cmd_);
// The command may have finished in the meantime
if (process_->state() == QProcess::NotRunning)
return true;
// process events while waiting, no timeout
if (timeout == -1) {
while (state == waitwhile && state != Error) {
- waitAndProcessEvents();
+ // check for cancellation of background process
+ if (!waitAndCheck())
+ return false;
}
return state != Error;
}
// process events while waiting with timeout
- QTime timer;
+ QElapsedTimer timer;
timer.start();
while (state == waitwhile && state != Error && !timedout) {
- waitAndProcessEvents();
+ // check for cancellation of background process
+ if (!waitAndCheck())
+ return false;
+
if (timer.elapsed() > timeout) {
- bool stop = queryStopCommand(cmd_);
+ bool const stop = queryStopCommand(cmd_);
// The command may have finished in the meantime
if (process_->state() == QProcess::NotRunning)
break;
QProcess* SystemcallPrivate::releaseProcess()
{
QProcess* released = process_;
- process_ = 0;
+ process_ = nullptr;
return released;
}
projects / lyx.git / blobdiff