Introduce QProcess::startCommand(QString, OpenMode)

The removal of the QProcess::start(QString, OpenMode) leads to more
porting work than anticipated. A call like

    QProcess p;
    p.start(cmdline);

must be transformed in the following cumbersome way:

    QProcess p;
    QStringList args = QProcess::splitCommand(cmdline);
    QString program = args.takeFirst();
    p.start(program, args);

This patch revives QProcess::start(QString, OpenMode) and renames it to
QProcess::startCommand. This is still source-incompatible, but the
transformation is much simpler:

    QProcess p;
    p.startCommand(cmdline);

[ChangeLog][QtCore][QProcess] Added QProcess::startCommand(QString,
OpenMode) as replacement for the removed QProcess::start(QString,
OpenMode).

Change-Id: I5499bbb39a025e115042c43a4cc63affddae585c
Reviewed-by: hjk <hjk@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
index 77980e012c..541086e1b0 100644
--- a/src/corelib/io/qprocess.h
+++ b/src/corelib/io/qprocess.h
@@ -160,6 +160,7 @@ public:
 
     void start(const QString &program, const QStringList &arguments = {}, OpenMode mode = ReadWrite);
     void start(OpenMode mode = ReadWrite);
+    void startCommand(const QString &command, OpenMode mode = ReadWrite);
     bool startDetached(qint64 *pid = nullptr);
     bool open(OpenMode mode = ReadWrite) override;