Use QtcProcess inside fake vim handler

Change-Id: I14af193bbf9e7fda9e5b0ba0a1647e19069c40e2
Reviewed-by: hjk <hjk@qt.io>

src/plugins/fakevim/fakevimhandler.cpp

@@ -59,12 +59,12 @@
 #include "fakevimtr.h"
 
 #include <utils/optional.h>
+#include <utils/qtcprocess.h>
 
 #include <QDebug>
 #include <QFile>
 #include <QObject>
 #include <QPointer>
-#include <QProcess>
 #include <QRegularExpression>
 #include <QTextStream>
 #include <QTimer>
@@ -866,17 +866,10 @@ static QString fromLocalEncoding(const QByteArray &data)
 
 static QString getProcessOutput(const QString &command, const QString &input)
 {
-    QProcess proc;
-#if QT_VERSION >= QT_VERSION_CHECK(5,15,0)
-    QStringList arguments = QProcess::splitCommand(command);
-    QString executable = arguments.takeFirst();
-    proc.start(executable, arguments);
-#else
-    proc.start(command);
-#endif
-    proc.waitForStarted();
-    proc.write(toLocalEncoding(input));
-    proc.closeWriteChannel();
+    Utils::QtcProcess proc;
+    proc.setCommand(Utils::CommandLine::fromUserInput(command));
+    proc.setWriteData(toLocalEncoding(input));
+    proc.start();
 
     // FIXME: Process should be interruptable by user.
     //        Solution is to create a QObject for each process and emit finished state.