Remove all QT_VERSION_CHECK

We only support Qt 5.6 now.

Change-Id: If94864400545b057623e3af0743c55ea1e84e33b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/app/main.cpp

@@ -159,13 +159,6 @@ static const char *setHighDpiEnvironmentVariable()
 {
     const char* envVarName = 0;
     static const char ENV_VAR_QT_DEVICE_PIXEL_RATIO[] = "QT_DEVICE_PIXEL_RATIO";
-#if (QT_VERSION < QT_VERSION_CHECK(5, 6, 0))
-    if (Utils::HostOsInfo().isWindowsHost()
-            && !qEnvironmentVariableIsSet(ENV_VAR_QT_DEVICE_PIXEL_RATIO)) {
-        envVarName = ENV_VAR_QT_DEVICE_PIXEL_RATIO;
-        qputenv(envVarName, "auto");
-    }
-#else
     if (Utils::HostOsInfo().isWindowsHost()
             && !qEnvironmentVariableIsSet(ENV_VAR_QT_DEVICE_PIXEL_RATIO) // legacy in 5.6, but still functional
             && !qEnvironmentVariableIsSet("QT_AUTO_SCREEN_SCALE_FACTOR")
@@ -173,7 +166,6 @@ static const char *setHighDpiEnvironmentVariable()
             && !qEnvironmentVariableIsSet("QT_SCREEN_SCALE_FACTORS")) {
         QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     }
-#endif // < Qt 5.6
     return envVarName;
 }
 

src/libs/utils/algorithm.h

@@ -412,18 +412,9 @@ inline void sort(Container &c, R (S::*function)() const)
 template <typename Container, typename Op>
 inline void reverseForeach(const Container &c, const Op &operation)
 {
-#if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
-    auto rend = c.begin();
-    auto it = c.end();
-    while (it != rend) {
-        --it;
-        operation(*it);
-    }
-#else
     auto rend = c.rend();
     for (auto it = c.rbegin(); it != rend; ++it)
         operation(*it);
-#endif
 }
 
 }

src/libs/utils/qtcprocess.cpp

@@ -699,18 +699,6 @@ void QtcProcess::start()
             qWarning("QtcProcess::start: Empty environment set when running '%s'.", qPrintable(m_command));
         env = m_environment;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
-        // QTBUG-49694
-        // If the process environment has no libraryPath,
-        // Qt will copy creator's libraryPath into the process environment.
-        // That's brain dead, and we work around it
-        if (osType != OsTypeWindows) {  // a.k.a "Unixoid"
-            const QString libraryPath =
-                QLatin1String(osType == OsTypeMac ? "DYLD_LIBRARY_PATH" : "LD_LIBRARY_PATH");
-            if (env.constFind(libraryPath) == env.constEnd())
-                env.set(libraryPath, QString());
-        }
-#endif
         QProcess::setEnvironment(env.toStringList());
     } else {
         env = Environment::systemEnvironment();

src/plugins/help/help.pro

@@ -63,7 +63,7 @@ FORMS += docsettingspage.ui \
     generalsettingspage.ui \
     remotehelpfilter.ui
 
-!isEmpty(QT.webenginewidgets.name):minQtVersion(5, 6, 0) {
+!isEmpty(QT.webenginewidgets.name) {
     QT += webenginewidgets
     HEADERS += webenginehelpviewer.h
     SOURCES += webenginehelpviewer.cpp

src/plugins/imageviewer/imageviewerfactory.cpp

@@ -45,11 +45,6 @@ ImageViewerFactory::ImageViewerFactory(QObject *parent) :
     const QList<QByteArray> supportedMimeTypes = QImageReader::supportedMimeTypes();
     foreach (const QByteArray &format, supportedMimeTypes)
         addMimeType(format.constData());
-
-#if (QT_VERSION < QT_VERSION_CHECK(5, 5, 0)) && !QT_NO_SVGRENDERER
-    // Workaround for https://codereview.qt-project.org/108693
-    addMimeType("image/svg+xml");
-#endif
 }
 
 Core::IEditor *ImageViewerFactory::createEditor()

src/plugins/projectexplorer/windebuginterface.cpp

@@ -27,10 +27,6 @@
 
 #ifdef Q_OS_WIN
 
-#  if (QT_VERSION < QT_VERSION_CHECK(5, 4, 1))
-#    define NOMINMAX
-#  endif
-
 #include <windows.h>
 #include <QApplication>
 #include <QTime>

src/plugins/welcome/welcome.pro

@@ -1,15 +1,10 @@
 
-QT += quick
+QT += quick quickwidgets
 
 QML_IMPORT_PATH=../../../share/qtcreator/welcomescreen
 
 include(../../qtcreatorplugin.pri)
 
-!isEmpty(USE_QUICK_WIDGET)|minQtVersion(5, 5, 0) {
-    QT +=  quickwidgets
-    DEFINES += USE_QUICK_WIDGET
-}
-
 HEADERS += welcomeplugin.h
 
 SOURCES += welcomeplugin.cpp

src/plugins/welcome/welcome.qbs

@@ -3,8 +3,7 @@ import qbs 1.0
 QtcPlugin {
     name: "Welcome"
 
-    Depends { name: "Qt"; submodules: ["widgets", "network"] }
-    Depends { name: "Qt.quick"; condition: product.condition; }
+    Depends { name: "Qt"; submodules: ["widgets", "network", "quick", "quickwidgets"] }
     Depends { name: "Utils" }
 
     Depends { name: "Core" }

src/plugins/welcome/welcomeplugin.cpp

@@ -53,13 +53,7 @@
 #include <QQmlPropertyMap>
 #include <QQuickImageProvider>
 
-#ifdef USE_QUICK_WIDGET
-    #include <QtQuickWidgets/QQuickWidget>
-    typedef QQuickWidget QuickContainer;
-#else
-    #include <QtQuick/QQuickView>
-    typedef QQuickView QuickContainer;
-#endif
+#include <QtQuickWidgets/QQuickWidget>
 #include <QtQml/QQmlContext>
 #include <QtQml/QQmlEngine>
 
@@ -168,7 +162,7 @@ private:
     void addKeyboardShortcuts();
 
     QWidget *m_modeWidget;
-    QuickContainer *m_welcomePage;
+    QQuickWidget *m_welcomePage;
     QMap<Id, IWelcomePage *> m_idPageMap;
     QList<IWelcomePage *> m_pluginList;
     int m_activePlugin;
@@ -202,28 +196,21 @@ WelcomeMode::WelcomeMode()
     layout->setMargin(0);
     layout->setSpacing(0);
 
-    m_welcomePage = new QuickContainer();
+    m_welcomePage = new QQuickWidget;
     applyTheme(); // initialize background color and theme properties
-    m_welcomePage->setResizeMode(QuickContainer::SizeRootObjectToView);
+    m_welcomePage->setResizeMode(QQuickWidget::SizeRootObjectToView);
 
     m_welcomePage->setObjectName(QLatin1String("WelcomePage"));
 
-    connect(m_welcomePage, &QuickContainer::sceneGraphError,
+    connect(m_welcomePage, &QQuickWidget::sceneGraphError,
             this, &WelcomeMode::sceneGraphError);
 
     StyledBar *styledBar = new StyledBar(m_modeWidget);
     styledBar->setObjectName(QLatin1String("WelcomePageStyledBar"));
     layout->addWidget(styledBar);
 
-#ifdef USE_QUICK_WIDGET
     m_welcomePage->setParent(m_modeWidget);
     layout->addWidget(m_welcomePage);
-#else
-    QWidget *container = QWidget::createWindowContainer(m_welcomePage, m_modeWidget);
-    container->setProperty("nativeAncestors", true);
-    m_modeWidget->setLayout(layout);
-    layout->addWidget(container);
-#endif // USE_QUICK_WIDGET
 
     addKeyboardShortcuts();
 
@@ -307,15 +294,8 @@ void WelcomeMode::facilitateQml(QQmlEngine *engine)
 
     QQmlContext *ctx = engine->rootContext();
     ctx->setContextProperty(QLatin1String("welcomeMode"), this);
-
     ctx->setContextProperty(QLatin1String("creatorTheme"), &m_themeProperties);
-
-#if defined(USE_QUICK_WIDGET) && (QT_VERSION < QT_VERSION_CHECK(5, 5, 0))
-    bool useNativeText = !HostOsInfo::isMacHost();
-#else
-    bool useNativeText = true;
-#endif
-    ctx->setContextProperty(QLatin1String("useNativeText"), useNativeText);
+    ctx->setContextProperty(QLatin1String("useNativeText"), true);
 }
 
 void WelcomeMode::initPlugins()

src/tools/3rdparty/iossim_1_8_2/main.mm

@@ -8,11 +8,7 @@
 #import <AppKit/AppKit.h>
 #import "iphonesimulator.h"
 #include <QLibrary>
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-#include <QApplication>
-#else
 #include <QGuiApplication>
-#endif
 #include <QString>
 #include <QStringList>
 
@@ -29,12 +25,7 @@ int main (int argc, char *argv[]) {
     char *qtarg = 0;
     if (argc)
         qtarg = argv[0];
-#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-    QApplication a(qtargc, &qtarg);
-#else
     QGuiApplication a(qtargc, &qtarg);
-#endif
-
 
     //NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 

tests/auto/timeline/timeline.pro

@@ -3,21 +3,17 @@ TEMPLATE = subdirs
 
 SUBDIRS = \
     timelineabstractrenderer \
+    timelineitemsrenderpass \
     timelinemodel \
     timelinemodelaggregator \
     timelinenotesmodel \
+    timelinenotesrenderpass \
     timelineoverviewrenderer \
     timelinerenderer \
     timelinerenderpass \
     timelinerenderstate \
+    timelineselectionrenderpass \
     timelinezoomcontrol
 
-minQtVersion(5,4,0) {
-    SUBDIRS += \
-        timelineitemsrenderpass \
-        timelinenotesrenderpass \
-        timelineselectionrenderpass
-}
-
 OTHER_FILES += \
     timelineautotest.qbs