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Restart the input method if it crashes

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Aleix Pol 2021-01-05 02:40:46 +01:00 committed by Aleix Pol Gonzalez
parent 05ebe676d2
commit 7ba1937f5c
2 changed files with 24 additions and 0 deletions
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20
main_wayland.cpp
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@ -113,6 +113,12 @@ void gainRealTime(RealTimeFlags flags = RealTimeFlags::DontReset)
ApplicationWayland::ApplicationWayland(int &argc, char **argv)
: ApplicationWaylandAbstract(OperationModeWaylandOnly, argc, argv)
{
// Stop restarting the input method if it starts crashing very frequently
m_inputMethodCrashTimer.setInterval(20000);
m_inputMethodCrashTimer.setSingleShot(true);
connect(&m_inputMethodCrashTimer, &QTimer::timeout, this, [this] {
m_inputMethodCrashes = 0;
});
connect(waylandServer(), &WaylandServer::terminatingInternalClientConnection, this, &ApplicationWayland::stopInputMethod);
}
@ -258,12 +264,26 @@ void ApplicationWayland::startInputMethod(const QString &executable)
environment.insert(QStringLiteral("QT_QPA_PLATFORM"), QStringLiteral("wayland"));
environment.remove("DISPLAY");
environment.remove("WAYLAND_DISPLAY");
m_inputMethodProcess = new Process(this);
m_inputMethodProcess->setProcessChannelMode(QProcess::ForwardedErrorChannel);
m_inputMethodProcess->setProcessEnvironment(environment);
m_inputMethodProcess->setProgram(program);
m_inputMethodProcess->setArguments(arguments);
m_inputMethodProcess->start();
connect(m_inputMethodProcess, QOverload<int, QProcess::ExitStatus>::of(&QProcess::finished), this, [this, executable] (int exitCode, QProcess::ExitStatus exitStatus) {
if (exitStatus == QProcess::CrashExit) {
m_inputMethodCrashes++;
m_inputMethodCrashTimer.start();
qWarning() << "Input Method crashed" << executable << exitCode << exitStatus;
if (m_inputMethodCrashes < 5) {
startInputMethod(executable);
} else {
qWarning() << "Input Method keeps crashing, please fix" << executable;
stopInputMethod();
}
}
});
}
void ApplicationWayland::refreshSettings(const KConfigGroup &group, const QByteArrayList &names)

4
main_wayland.h
View file

@ -11,6 +11,7 @@
#include "main.h"
#include <KConfigWatcher>
#include <QProcessEnvironment>
#include <QTimer>
namespace KWin
{
@ -64,7 +65,10 @@ private:
QString m_inputMethodServerToStart;
QProcessEnvironment m_environment;
QString m_sessionArgument;
QProcess *m_inputMethodProcess = nullptr;
QTimer m_inputMethodCrashTimer;
uint m_inputMethodCrashes = 0;
Xwl::Xwayland *m_xwayland = nullptr;
KConfigWatcher::Ptr m_settingsWatcher;