Bump minimum Qt version (to build Qt Creator) to 5.11

Recent adaptations to Qt 5.13's API deprecations require using APIs
which were introduces in Qt 5.11.

Change-Id: I6c077d824c9ce716e019543b290c355a5d512fad
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

README.md

@@ -25,7 +25,7 @@ https://doc-snapshots.qt.io/qtcreator-extending/coding-style.html
 
 Prerequisites:
 
-* Qt 5.9.0 or later
+* Qt 5.11.0 or later
 * Qt WebEngine module for QtWebEngine based help viewer
 * On Windows:
     * ActiveState Active Perl
@@ -80,7 +80,7 @@ For detailed information on the supported compilers, see
        for example, `c:\work`. If you plan to use MinGW and Microsoft Visual
        Studio simultaneously or mix different Qt versions, we recommend
        creating a directory structure which reflects that. For example:
-       `C:\work\qt5.9.0-vs12, C:\work\qt5.9.0-mingw`.
+       `C:\work\qt5.11.0-vs15, C:\work\qt5.11.0-mingw`.
 
    4.  Download and install Perl from <https://www.activestate.com/activeperl>
        and check that perl.exe is added to the path. Run `perl -v` to verify

doc/src/overview/creator-acknowledgements.qdoc

@@ -168,7 +168,7 @@
 
         The source code of ANGLE is part of the Qt libraries. For more
         information about the licenses used in Qt GUI, see
-        \l{https://doc.qt.io/qt-5.9/licenses-used-in-qt.html#qt-gui}{Qt GUI}.
+        \l{https://doc.qt.io/qt-5.11/licenses-used-in-qt.html#qt-gui}{Qt GUI}.
 
         \l{https://spdx.org/licenses/BSD-3-Clause.html}
         {BSD 3-clause "New" or "Revised" License}

qbs/imports/QtcProduct.qbs

@@ -27,7 +27,7 @@ Product {
             enableFallback: false
         }
     }
-    Depends { name: "Qt.core"; versionAtLeast: "5.9.0" }
+    Depends { name: "Qt.core"; versionAtLeast: "5.11.0" }
 
     // TODO: Should fall back to what came from Qt.core for Qt < 5.7, but we cannot express that
     //       atm. Conditionally pulling in a module that sets the property is also not possible,

qtcreator.pro

@@ -1,9 +1,9 @@
 include(qtcreator.pri)
 
 #version check qt
-!minQtVersion(5, 9, 0) {
+!minQtVersion(5, 11, 0) {
     message("Cannot build $$IDE_DISPLAY_NAME with Qt version $${QT_VERSION}.")
-    error("Use at least Qt 5.9.0.")
+    error("Use at least Qt 5.11.0.")
 }
 
 include(doc/doc.pri)

src/libs/languageserverprotocol/jsonobject.cpp

@@ -61,11 +61,7 @@ JsonObject &JsonObject::operator=(const JsonObject &other) = default;
 
 JsonObject &JsonObject::operator=(JsonObject &&other)
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     m_jsonObject.swap(other.m_jsonObject);
-#else
-    m_jsonObject = other.m_jsonObject; // NOTE use QJsonObject::swap when minimum required Qt version >= 5.10
-#endif
     return *this;
 }
 

src/libs/utils/consoleprocess_unix.cpp

@@ -436,12 +436,6 @@ bool ConsoleProcess::startTerminalEmulator(QSettings *settings, const QString &w
                                            const Utils::Environment &env)
 {
     const TerminalCommand term = terminalEmulator(settings);
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    // for 5.9 and below we cannot set the environment
-    Q_UNUSED(env);
-    return QProcess::startDetached(term.command, QtcProcess::splitArgs(term.openArgs),
-                                   workingDir);
-#else
     QProcess process;
     process.setProgram(term.command);
     process.setArguments(QtcProcess::splitArgs(term.openArgs));
@@ -449,7 +443,6 @@ bool ConsoleProcess::startTerminalEmulator(QSettings *settings, const QString &w
     process.setWorkingDirectory(workingDir);
 
     return process.startDetached();
-#endif
 }
 
 } // namespace Utils

src/libs/utils/mimetypes/mimeprovider.cpp

@@ -803,11 +803,7 @@ void MimeXMLProvider::ensureLoaded()
 
 //        if (!fdoXmlFound) {
 //            // We could instead install the file as part of installing Qt?
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
               const char freedesktopOrgXml[] = ":/qt-project.org/qmime/packages/freedesktop.org.xml";
-#else
-              const char freedesktopOrgXml[] = ":/qt-project.org/qmime/freedesktop.org.xml";
-#endif
             allFiles.prepend(QLatin1String(freedesktopOrgXml));
 //        }
 

src/plugins/clangcodemodel/clangdiagnostictooltipwidget.cpp

@@ -386,14 +386,10 @@ private:
 
     static int widthLimit()
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         auto screen = QGuiApplication::screenAt(QCursor::pos());
         if (!screen)
             screen = QGuiApplication::primaryScreen();
         return screen->availableGeometry().width() / 2;
-#else
-        return QApplication::desktop()->availableGeometry(QCursor::pos()).width() / 2;
-#endif
     }
 
 private:

src/plugins/coreplugin/dialogs/filepropertiesdialog.cpp

@@ -78,11 +78,7 @@ void FilePropertiesDialog::refresh()
 
         m_ui->owner->setText(fileInfo.owner());
         m_ui->group->setText(fileInfo.group());
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         m_ui->size->setText(locale.formattedDataSize(fileInfo.size()));
-#else
-        m_ui->size->setText(tr("%1 Bytes").arg(locale.toString(fileInfo.size())));
-#endif
         m_ui->readable->setChecked(fileInfo.isReadable());
         m_ui->writable->setChecked(fileInfo.isWritable());
         m_ui->executable->setChecked(fileInfo.isExecutable());

src/plugins/cpptools/cpptoolsreuse.cpp

@@ -323,18 +323,9 @@ bool fileSizeExceedsLimit(const QFileInfo &fileInfo, int sizeLimitInMb)
                     "C++ Indexer: Skipping file \"%1\" because it is too big.")
                         .arg(absoluteFilePath);
 
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))
         QMetaObject::invokeMethod(Core::MessageManager::instance(), [msg]() {
             Core::MessageManager::write(msg, Core::MessageManager::Silent);
         });
-#else
-        QMetaObject::invokeMethod(Core::MessageManager::instance(),
-                                  "write",
-                                  Qt::QueuedConnection,
-                                  Q_ARG(QString, msg),
-                                  Q_ARG(Core::MessageManager::PrintToOutputPaneFlags,
-                                        Core::MessageManager::Silent));
-#endif
 
         qWarning().noquote() << msg;
         return true;

src/plugins/debugger/debuggertooltipmanager.cpp

@@ -624,15 +624,10 @@ void DebuggerToolTipWidget::computeSize()
     // Add a bit of space to account for tooltip border, and not
     // touch the border of the screen.
     QPoint pos(x(), y());
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     auto screen = QGuiApplication::screenAt(pos);
     if (!screen)
         screen = QGuiApplication::primaryScreen();
     QRect desktopRect = screen->availableGeometry();
-#else
-    QTC_ASSERT(QApplication::desktop(), return);
-    QRect desktopRect = QApplication::desktop()->availableGeometry();
-#endif
     const int maxWidth = desktopRect.right() - pos.x() - 5 - 5;
     const int maxHeight = desktopRect.bottom() - pos.y() - 5 - 5;
 

src/plugins/perfprofiler/perfprofilertraceview.cpp

@@ -74,11 +74,7 @@ PerfProfilerTraceView::PerfProfilerTraceView(QWidget *parent, PerfProfilerTool *
 
 bool PerfProfilerTraceView::isUsable() const
 {
-#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
     return quickWindow()->rendererInterface()->graphicsApi() == QSGRendererInterface::OpenGL;
-#else
-    return true;
-#endif
 }
 
 void PerfProfilerTraceView::selectByTypeId(int typeId)

src/plugins/projectexplorer/environmentwidget.cpp

@@ -208,9 +208,6 @@ EnvironmentWidget::EnvironmentWidget(QWidget *parent, QWidget *additionalDetails
     d->m_terminalButton->setText(tr("Open &Terminal"));
     d->m_terminalButton->setToolTip(tr("Open a terminal with this environment set up."));
     buttonLayout->addWidget(d->m_terminalButton);
-#if defined(Q_OS_UNIX) && QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    d->m_terminalButton->setVisible(false);
-#endif
     buttonLayout->addStretch();
 
     horizontalLayout->addLayout(buttonLayout);

src/plugins/projectexplorer/projectexplorer.cpp

@@ -889,7 +889,6 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
 
     dd->m_openTerminalHereBuildEnv = new QAction(tr("Build Environment"), this);
     dd->m_openTerminalHereRunEnv = new QAction(tr("Run Environment"), this);
-#if !defined(Q_OS_UNIX) || QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     cmd = ActionManager::registerAction(dd->m_openTerminalHereBuildEnv,
                                         "ProjectExplorer.OpenTerminalHereBuildEnv",
                                         projecTreeContext);
@@ -899,7 +898,6 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
                                         "ProjectExplorer.OpenTerminalHereRunEnv",
                                         projecTreeContext);
     dd->m_openTerminalMenu->addAction(dd->m_openTerminalHereRunEnv);
-#endif
 
     // Open With menu
     mfileContextMenu->addMenu(openWith, Constants::G_FILE_OPEN);

src/plugins/texteditor/texteditor.cpp

@@ -8252,11 +8252,7 @@ void TextEditorWidgetPrivate::updateTabStops()
     // to be set as an int. A work around is to access directly the QTextOption.
     qreal charWidth = QFontMetricsF(q->font()).width(QLatin1Char(' '));
     QTextOption option = q->document()->defaultTextOption();
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     option.setTabStopDistance(charWidth * m_document->tabSettings().m_tabSize);
-#else
-    option.setTabStop(charWidth * m_document->tabSettings().m_tabSize);
-#endif
     q->document()->setDefaultTextOption(option);
 }
 

src/tools/clangpchmanagerbackend/source/taskscheduler.h

@@ -149,38 +149,6 @@ private:
         m_futures.erase(split, m_futures.end());
     }
 
-    #if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    template <typename CallableType>
-    class CallableEvent : public QEvent {
-    public:
-       using Callable = std::decay_t<CallableType>;
-       CallableEvent(Callable &&callable)
-           : QEvent(QEvent::None),
-             callable(std::move(callable))
-       {}
-       CallableEvent(const Callable &callable)
-           : QEvent(QEvent::None),
-             callable(callable)
-       {}
-
-       ~CallableEvent()
-       {
-           callable();
-       }
-    public:
-       Callable callable;
-    };
-
-    template <typename Callable>
-    void executeInLoop(Callable &&callable, QObject *object = QCoreApplication::instance()) {
-       if (QThread *thread = qobject_cast<QThread*>(object))
-           object = QAbstractEventDispatcher::instance(thread);
-
-       QCoreApplication::postEvent(object,
-                                   new CallableEvent<Callable>(std::forward<Callable>(callable)),
-                                   Qt::HighEventPriority);
-    }
-    #else
     template <typename Callable>
     void executeInLoop(Callable &&callable, QObject *object = QCoreApplication::instance()) {
        if (QThread *thread = qobject_cast<QThread*>(object))
@@ -188,7 +156,6 @@ private:
 
        QMetaObject::invokeMethod(object, std::forward<Callable>(callable));
     }
-    #endif
 
 private:
     std::vector<Future> m_futures;