Utils: Copy some SynchronousProcess function to QtcProcess

Start using it in Utils::Archive.

The idea is to merge SynchronousProcess into QtcProcess (or avoid its
use) to have fewer classes to make "remote-aware".

Change-Id: Ieb08f6f66eab63fd058b75e3bafa79bfbf140387
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/libs/utils/archive.cpp

@@ -30,7 +30,7 @@
 #include "environment.h"
 #include "mimetypes/mimedatabase.h"
 #include "qtcassert.h"
-#include "synchronousprocess.h"
+#include "qtcprocess.h"
 
 #include <QDir>
 #include <QPushButton>
@@ -208,7 +208,7 @@ Archive *Archive::unarchive(const FilePath &src, const FilePath &dest)
     const QString workingDirectory = dest.toFileInfo().absoluteFilePath();
     QDir(workingDirectory).mkpath(".");
 
-    archive->m_process = new QProcess;
+    archive->m_process = new QtcProcess;
     archive->m_process->setProcessChannelMode(QProcess::MergedChannels);
     QObject::connect(
         archive->m_process,
@@ -265,15 +265,15 @@ Archive *Archive::unarchive(const FilePath &src, const FilePath &dest)
     archive->m_process->setArguments(tool->arguments);
 #endif
     archive->m_process->setWorkingDirectory(workingDirectory);
-    archive->m_process->start(QProcess::ReadOnly);
+    archive->m_process->setOpenMode(QProcess::ReadOnly);
+    archive->m_process->start();
     return archive;
 }
 
 void Archive::cancel()
 {
-    if (!m_process)
+    if (m_process)
-        return;
+        m_process->stopProcess();
-    SynchronousProcess::stopProcess(*m_process);
 }
 
 } // namespace Utils

src/libs/utils/archive.h

@@ -30,10 +30,11 @@
 #include "fileutils.h"
 
 #include <QObject>
-#include <QProcess>
 
 namespace Utils {
 
+class QtcProcess;
+
 class QTCREATOR_UTILS_EXPORT Archive : public QObject
 {
     Q_OBJECT
@@ -51,7 +52,7 @@ signals:
 private:
     Archive() = default;
 
-    QProcess *m_process = nullptr;
+    QtcProcess *m_process = nullptr;
 };
 
 } // namespace Utils

src/libs/utils/qtcprocess.cpp

@@ -752,7 +752,7 @@ void QtcProcess::start()
 #endif
         // Note: Arguments set with setNativeArgs will be appended to the ones
         // passed with start() below.
-        QProcess::start(command, QStringList());
+        QProcess::start(command, QStringList(), m_openMode);
     } else {
         if (!success) {
             setErrorString(tr("Error in command line."));
@@ -761,7 +761,7 @@ void QtcProcess::start()
             emit errorOccurred(QProcess::UnknownError);
             return;
         }
-        QProcess::start(command, arguments.toUnixArgs());
+        QProcess::start(command, arguments.toUnixArgs(), m_openMode);
     }
 
     if (m_synchronous)
@@ -1275,6 +1275,22 @@ void QtcProcess::setSynchronous(bool on)
     m_synchronous = on;
 }
 
+void QtcProcess::setOpenMode(OpenMode mode)
+{
+    m_openMode = mode;
+}
+
+bool QtcProcess::stopProcess()
+{
+    if (state() == QProcess::NotRunning)
+        return true;
+    terminate();
+    if (waitForFinished(300))
+        return true;
+    kill();
+    return waitForFinished(300);
+}
+
 bool QtcProcess::ArgIterator::next()
 {
     // We delay the setting of m_prev so we can still delete the last argument

src/libs/utils/qtcprocess.h

@@ -149,6 +149,10 @@ public:
     bool isSynchronous() const;
     void setSynchronous(bool on);
 
+    void setOpenMode(OpenMode mode);
+
+    bool stopProcess();
+
 private:
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     void setupChildProcess() override;
@@ -163,6 +167,7 @@ private:
     bool m_lowPriority = false;
 
     bool m_synchronous = false;
+    OpenMode m_openMode = ReadWrite;
 };
 
 } // namespace Utils