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#include "windowmanager.h"
#include <QProcess>
#include <QTimer>
#include <QDebug>
#include <QThread>
#include <QCoreApplication>
namespace WindowManager {
static QProcess wm;
static void killInstance();
void ensureRunning()
{
wm.start(QLatin1String("openbox"));
wm.closeReadChannel(QProcess::StandardError);
wm.closeReadChannel(QProcess::StandardOutput);
wm.closeWriteChannel();
wm.waitForStarted(500);
// Ugly, but if openbox initializes just as we map
// the main window, it might become invisible
for (int i = 0; i < 10 && wm.state() == QProcess::Running; ++i) {
QThread::msleep(25);
}
if (wm.state() == QProcess::Running) {
qDebug() << "- Spawned openbox";
QObject::connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, killInstance);
} else if (wm.exitCode() == 0) {
qDebug() << "- A WM is already running";
} else {
qDebug() << "- openbox binary not in $PATH";
}
}
void stopOwnInstance()
{
if (wm.state() == QProcess::Running) {
qDebug() << "- Politely terminating spawned WM";
wm.terminate();
QTimer::singleShot(500, killInstance);
}
}
void killInstance()
{
if (wm.state() == QProcess::Running) {
wm.terminate();
QThread::msleep(50);
}
if (wm.state() == QProcess::Running) {
qDebug() << "- Forcefully killing spawned WM";
wm.kill();
}
}
}
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