Merge remote-tracking branch 'gerrit/dev' into wip/cmake

Change-Id: I2e1812e4f40131ff74919aa3b558db5c261fe412

19 files changed, 749 insertions, 297 deletions

diff --git a/src/android/java/src/org/qtproject/qt5/android/bindings/QtLoader.java b/src/android/java/src/org/qtproject/qt5/android/bindings/QtLoader.java
index 9d5578ed6d..d3b0600b2f 100644
--- a/src/android/java/src/org/qtproject/qt5/android/bindings/QtLoader.java
+++ b/src/android/java/src/org/qtproject/qt5/android/bindings/QtLoader.java
@@ -159,6 +159,9 @@ public abstract class QtLoader {
     protected ComponentInfo m_contextInfo;
     private Class<?> m_delegateClass;
 
+    private static ArrayList<FileOutputStream> m_fileOutputStreams = new ArrayList<FileOutputStream>();
+    // List of open file streams associated with files copied during installation.
+
     QtLoader(ContextWrapper context, Class<?> clazz) {
         m_context = context;
         m_delegateClass = clazz;
@@ -357,7 +360,7 @@ public abstract class QtLoader {
 
         AssetManager assetsManager = m_context.getAssets();
         InputStream inputStream = null;
-        OutputStream outputStream = null;
+        FileOutputStream outputStream = null;
         try {
             inputStream = assetsManager.open(source);
             outputStream = new FileOutputStream(destinationFile);
@@ -369,8 +372,12 @@ public abstract class QtLoader {
                 inputStream.close();
 
             if (outputStream != null)
-                outputStream.close();
+                // Ensure that the buffered data is flushed to the OS for writing.
+                outputStream.flush();
         }
+        // Mark the output stream as still needing to be written to physical disk.
+        // The output stream will be closed after this sync completes.
+        m_fileOutputStreams.add(outputStream);
     }
 
     private static void createBundledBinary(String source, String destination)
@@ -388,7 +395,7 @@ public abstract class QtLoader {
         destinationFile.createNewFile();
 
         InputStream inputStream = null;
-        OutputStream outputStream = null;
+        FileOutputStream outputStream = null;
         try {
             inputStream = new FileInputStream(source);
             outputStream = new FileOutputStream(destinationFile);
@@ -400,8 +407,12 @@ public abstract class QtLoader {
                 inputStream.close();
 
             if (outputStream != null)
-                outputStream.close();
+                // Ensure that the buffered data is flushed to the OS for writing.
+                outputStream.flush();
         }
+        // Mark the output stream as still needing to be written to physical disk.
+        // The output stream will be closed after this sync completes.
+        m_fileOutputStreams.add(outputStream);
     }
 
     private boolean cleanCacheIfNecessary(String pluginsPrefix, long packageVersion)
@@ -450,27 +461,6 @@ public abstract class QtLoader {
             return;
 
         {
-            File versionFile = new File(pluginsPrefix + "cache.version");
-
-            File parentDirectory = versionFile.getParentFile();
-            if (!parentDirectory.exists())
-                parentDirectory.mkdirs();
-
-            versionFile.createNewFile();
-
-            DataOutputStream outputStream = null;
-            try {
-                outputStream = new DataOutputStream(new FileOutputStream(versionFile));
-                outputStream.writeLong(packageVersion);
-            } catch (Exception e) {
-                e.printStackTrace();
-            } finally {
-                if (outputStream != null)
-                    outputStream.close();
-            }
-        }
-
-        {
             // why can't we load the plugins directly from libs ?!?!
             String key = BUNDLED_IN_LIB_RESOURCE_ID_KEY;
             if (m_contextInfo.metaData.containsKey(key)) {
@@ -499,6 +489,66 @@ public abstract class QtLoader {
             }
 
         }
+
+        // The Java compiler must be assured that variables belonging to this parent thread will not
+        // go out of scope during the runtime of the spawned thread (since in general spawned
+        // threads can outlive their parent threads). Copy variables and declare as 'final' before
+        // passing into the spawned thread.
+        final String pluginsPrefixFinal = pluginsPrefix;
+        final long packageVersionFinal = packageVersion;
+
+        // Spawn a worker thread to write all installed files to physical disk and indicate
+        // successful installation by creating the 'cache.version' file.
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    finalizeInstallation(pluginsPrefixFinal, packageVersionFinal);
+                } catch (Exception e) {
+                    Log.e(QtApplication.QtTAG, e.getMessage());
+                    e.printStackTrace();
+                    return;
+                }
+            }
+        }).start();
+    }
+
+    private void finalizeInstallation(String pluginsPrefix, long packageVersion)
+            throws IOException
+    {
+        {
+            // Write all installed files to physical disk and close each output stream
+            for (FileOutputStream fileOutputStream : m_fileOutputStreams) {
+                fileOutputStream.getFD().sync();
+                fileOutputStream.close();
+            }
+
+            m_fileOutputStreams.clear();
+        }
+
+        {
+            // Create 'cache.version' file
+
+            File versionFile = new File(pluginsPrefix + "cache.version");
+
+            File parentDirectory = versionFile.getParentFile();
+            if (!parentDirectory.exists())
+                parentDirectory.mkdirs();
+
+            versionFile.createNewFile();
+
+            DataOutputStream outputStream = null;
+            try {
+                outputStream = new DataOutputStream(new FileOutputStream(versionFile));
+                outputStream.writeLong(packageVersion);
+            } catch (Exception e) {
+                e.printStackTrace();
+            } finally {
+                if (outputStream != null)
+                    outputStream.close();
+            }
+        }
+
     }
 
     private void deleteRecursively(File directory)
diff --git a/src/corelib/plugin/qplugin_p.h b/src/corelib/plugin/qplugin_p.h
index 717129268b..ce45ebf700 100644
--- a/src/corelib/plugin/qplugin_p.h
+++ b/src/corelib/plugin/qplugin_p.h
@@ -60,7 +60,8 @@ enum class QtPluginMetaDataKeys {
     Requirements,
     IID,
     ClassName,
-    MetaData
+    MetaData,
+    URI
 };
 
 // F(IntKey, StringKey, Description)
@@ -68,7 +69,8 @@ enum class QtPluginMetaDataKeys {
 #define QT_PLUGIN_FOREACH_METADATA(F) \
     F(QtPluginMetaDataKeys::IID, "IID", "Plugin's Interface ID")                \
     F(QtPluginMetaDataKeys::ClassName, "className", "Plugin class name")        \
-    F(QtPluginMetaDataKeys::MetaData, "MetaData", "Other meta data")
+    F(QtPluginMetaDataKeys::MetaData, "MetaData", "Other meta data")            \
+    F(QtPluginMetaDataKeys::URI, "URI", "Plugin URI")
 
 QT_END_NAMESPACE
 
diff --git a/src/gui/configure.json b/src/gui/configure.json
index ce6524ac2f..50767ad573 100644
--- a/src/gui/configure.json
+++ b/src/gui/configure.json
@@ -476,7 +476,7 @@
         "tslib": {
             "label": "tslib",
             "test": {
-                "main": "ts_open(\"foo\", 0);"
+                "main": "ts_setup(nullptr, 0);"
             },
             "headers": "tslib.h",
             "sources": [
diff --git a/src/gui/painting/qcolor.cpp b/src/gui/painting/qcolor.cpp
index bb42660cf2..174350d884 100644
--- a/src/gui/painting/qcolor.cpp
+++ b/src/gui/painting/qcolor.cpp
@@ -39,6 +39,7 @@
 
 #include "qcolor.h"
 #include "qcolor_p.h"
+#include "qfloat16.h"
 #include "qnamespace.h"
 #include "qdatastream.h"
 #include "qvariant.h"
@@ -494,6 +495,14 @@ static QStringList get_colornames()
     with this value, a pixel value will be used that is appropriate for the
     underlying pixel format in use.
 
+    \section1 The Extended RGB Color Model
+
+    The extended RGB color model, also known as the scRGB color space,
+    is the same the RGB color model except it allows values under 0.0,
+    and over 1.0. This makes it possible to represent colors that would
+    otherwise be outside the range of the RGB colorspace but still use
+    the same values for colors inside the RGB colorspace.
+
     \section1 The HSV Color Model
 
     The RGB model is hardware-oriented. Its representation is close to
@@ -603,12 +612,13 @@ static QStringList get_colornames()
 /*!
     \enum QColor::Spec
 
-    The type of color specified, either RGB, HSV, CMYK or HSL.
+    The type of color specified, either RGB, extended RGB, HSV, CMYK or HSL.
 
     \value Rgb
     \value Hsv
     \value Cmyk
     \value Hsl
+    \value ExtendedRgb
     \value Invalid
 
     \sa spec(), convertTo()
@@ -778,6 +788,10 @@ QColor::QColor(Spec spec) noexcept
     case Hsl:
         setHsl(0, 0, 0, 0);
         break;
+    case ExtendedRgb:
+        cspec = spec;
+        setRgbF(0, 0, 0, 0);
+        break;
     }
 }
 
@@ -1211,6 +1225,17 @@ void QColor::setHsl(int h, int s, int l, int a)
     ct.ahsl.pad        = 0;
 }
 
+static inline qfloat16 &castF16(quint16 &v)
+{
+    // this works because qfloat16 internally is a quint16
+    return *reinterpret_cast<qfloat16 *>(&v);
+}
+
+static inline const qfloat16 &castF16(const quint16 &v)
+{
+    return *reinterpret_cast<const qfloat16 *>(&v);
+}
+
 /*!
     Sets the contents pointed to by \a r, \a g, \a b, and \a a, to the red,
     green, blue, and alpha-channel (transparency) components of the color's
@@ -1226,18 +1251,27 @@ void QColor::getRgbF(qreal *r, qreal *g, qreal *b, qreal *a) const
     if (!r || !g || !b)
         return;
 
-    if (cspec != Invalid && cspec != Rgb) {
+    if (cspec == Invalid)
+        return;
+
+    if (cspec != Rgb && cspec != ExtendedRgb) {
         toRgb().getRgbF(r, g, b, a);
         return;
     }
 
-    *r = ct.argb.red   / qreal(USHRT_MAX);
-    *g = ct.argb.green / qreal(USHRT_MAX);
-    *b = ct.argb.blue  / qreal(USHRT_MAX);
-
-    if (a)
-        *a = ct.argb.alpha / qreal(USHRT_MAX);
-
+    if (cspec == Rgb) {
+        *r = ct.argb.red   / qreal(USHRT_MAX);
+        *g = ct.argb.green / qreal(USHRT_MAX);
+        *b = ct.argb.blue  / qreal(USHRT_MAX);
+        if (a)
+            *a = ct.argb.alpha / qreal(USHRT_MAX);
+    }  else {
+        *r = castF16(ct.argbExtended.redF16);
+        *g = castF16(ct.argbExtended.greenF16);
+        *b = castF16(ct.argbExtended.blueF16);
+        if (a)
+            *a = castF16(ct.argbExtended.alphaF16);
+    }
 }
 
 /*!
@@ -1274,26 +1308,35 @@ void QColor::getRgb(int *r, int *g, int *b, int *a) const
     Sets the color channels of this color to \a r (red), \a g (green),
     \a b (blue) and \a a (alpha, transparency).
 
-    All values must be in the range 0.0-1.0.
+    The alpha value must be in the range 0.0-1.0.
+    If any of the other values are outside the range of 0.0-1.0 the
+    color model will be set as \c ExtendedRgb.
 
     \sa rgb(), getRgbF(), setRgb()
 */
 void QColor::setRgbF(qreal r, qreal g, qreal b, qreal a)
 {
-    if (r < qreal(0.0) || r > qreal(1.0)
-        || g < qreal(0.0) || g > qreal(1.0)
-        || b < qreal(0.0) || b > qreal(1.0)
-        || a < qreal(0.0) || a > qreal(1.0)) {
-        qWarning("QColor::setRgbF: RGB parameters out of range");
+    if (a < qreal(0.0) || a > qreal(1.0)) {
+        qWarning("QColor::setRgbF: Alpha parameter is out of range");
         invalidate();
         return;
     }
-
+    if (r < qreal(0.0) || r > qreal(1.0) ||
+        g < qreal(0.0) || g > qreal(1.0) ||
+        b < qreal(0.0) || b > qreal(1.0) || cspec == ExtendedRgb) {
+        cspec = ExtendedRgb;
+        castF16(ct.argbExtended.redF16)   = qfloat16(r);
+        castF16(ct.argbExtended.greenF16) = qfloat16(g);
+        castF16(ct.argbExtended.blueF16)  = qfloat16(b);
+        castF16(ct.argbExtended.alphaF16) = qfloat16(a);
+        ct.argbExtended.pad   = 0;
+        return;
+    }
     cspec = Rgb;
-    ct.argb.alpha = qRound(a * USHRT_MAX);
     ct.argb.red   = qRound(r * USHRT_MAX);
     ct.argb.green = qRound(g * USHRT_MAX);
     ct.argb.blue  = qRound(b * USHRT_MAX);
+    ct.argb.alpha = qRound(a * USHRT_MAX);
     ct.argb.pad   = 0;
 }
 
@@ -1421,7 +1464,11 @@ void QColor::setRgb(QRgb rgb) noexcept
     \sa setAlpha(), alphaF(), {QColor#Alpha-Blended Drawing}{Alpha-Blended Drawing}
 */
 int QColor::alpha() const noexcept
-{ return ct.argb.alpha >> 8; }
+{
+    if (cspec == ExtendedRgb)
+        return qRound(qreal(castF16(ct.argbExtended.alphaF16)) * 255);
+    return ct.argb.alpha >> 8;
+}
 
 
 /*!
@@ -1434,6 +1481,11 @@ int QColor::alpha() const noexcept
 void QColor::setAlpha(int alpha)
 {
     QCOLOR_INT_RANGE_CHECK("QColor::setAlpha", alpha);
+    if (cspec == ExtendedRgb) {
+        constexpr qreal f = qreal(1.0) / 255;
+        castF16(ct.argbExtended.alphaF16) = alpha * f;
+        return;
+    }
     ct.argb.alpha = alpha * 0x101;
 }
 
@@ -1443,7 +1495,11 @@ void QColor::setAlpha(int alpha)
     \sa setAlphaF(), alpha(), {QColor#Alpha-Blended Drawing}{Alpha-Blended Drawing}
 */
 qreal QColor::alphaF() const noexcept
-{ return ct.argb.alpha / qreal(USHRT_MAX); }
+{
+    if (cspec == ExtendedRgb)
+        return castF16(ct.argbExtended.alphaF16);
+    return ct.argb.alpha / qreal(USHRT_MAX);
+}
 
 /*!
     Sets the alpha of this color to \a alpha. qreal alpha is specified in the
@@ -1455,6 +1511,10 @@ qreal QColor::alphaF() const noexcept
 void QColor::setAlphaF(qreal alpha)
 {
     QCOLOR_REAL_RANGE_CHECK("QColor::setAlphaF", alpha);
+    if (cspec == ExtendedRgb) {
+        castF16(ct.argbExtended.alphaF16) = alpha;
+        return;
+    }
     qreal tmp = alpha * USHRT_MAX;
     ct.argb.alpha = qRound(tmp);
 }
@@ -1550,25 +1610,29 @@ void QColor::setBlue(int blue)
 */
 qreal QColor::redF() const noexcept
 {
-    if (cspec != Invalid && cspec != Rgb)
-        return toRgb().redF();
-    return ct.argb.red / qreal(USHRT_MAX);
+    if (cspec == Rgb || cspec == Invalid)
+        return ct.argb.red / qreal(USHRT_MAX);
+    if (cspec == ExtendedRgb)
+        return castF16(ct.argbExtended.redF16);
+
+    return toRgb().redF();
 }
 
 
 /*!
-    Sets the red color component of this color to \a red. Float components
-    are specified in the range 0.0-1.0.
+    Sets the red color component of this color to \a red. If \a red lies outside
+    the 0.0-1.0 range, the color model will be changed to \c ExtendedRgb.
 
     \sa redF(), red(), setRgbF()
 */
 void QColor::setRedF(qreal red)
 {
-    QCOLOR_REAL_RANGE_CHECK("QColor::setRedF", red);
-    if (cspec != Rgb)
-        setRgbF(red, greenF(), blueF(), alphaF());
-    else
+    if (cspec == Rgb && red >= qreal(0.0) && red <= qreal(1.0))
         ct.argb.red = qRound(red * USHRT_MAX);
+    else if (cspec == ExtendedRgb)
+        castF16(ct.argbExtended.redF16) = red;
+    else
+        setRgbF(red, greenF(), blueF(), alphaF());
 }
 
 /*!
@@ -1578,25 +1642,29 @@ void QColor::setRedF(qreal red)
 */
 qreal QColor::greenF() const noexcept
 {
-    if (cspec != Invalid && cspec != Rgb)
-        return toRgb().greenF();
-    return ct.argb.green / qreal(USHRT_MAX);
+    if (cspec == Rgb || cspec == Invalid)
+        return ct.argb.green / qreal(USHRT_MAX);
+    if (cspec == ExtendedRgb)
+        return castF16(ct.argbExtended.greenF16);
+
+    return toRgb().greenF();
 }
 
 
 /*!
-    Sets the green color component of this color to \a green. Float components
-    are specified in the range 0.0-1.0.
+    Sets the green color component of this color to \a green. If \a green lies outside
+    the 0.0-1.0 range, the color model will be changed to \c ExtendedRgb.
 
     \sa greenF(), green(), setRgbF()
 */
 void QColor::setGreenF(qreal green)
 {
-    QCOLOR_REAL_RANGE_CHECK("QColor::setGreenF", green);
-    if (cspec != Rgb)
-        setRgbF(redF(), green, blueF(), alphaF());
-    else
+    if (cspec == Rgb && green >= qreal(0.0) && green <= qreal(1.0))
         ct.argb.green = qRound(green * USHRT_MAX);
+    else if (cspec == ExtendedRgb)
+        castF16(ct.argbExtended.greenF16) = green;
+    else
+        setRgbF(redF(), green, blueF(), alphaF());
 }
 
 /*!
@@ -1606,24 +1674,27 @@ void QColor::setGreenF(qreal green)
 */
 qreal QColor::blueF() const noexcept
 {
-    if (cspec != Invalid && cspec != Rgb)
-        return toRgb().blueF();
-    return ct.argb.blue / qreal(USHRT_MAX);
+    if (cspec == Rgb || cspec == Invalid)
+        return ct.argb.blue / qreal(USHRT_MAX);
+    if (cspec == ExtendedRgb)
+        return castF16(ct.argbExtended.blueF16);
+
+    return toRgb().blueF();
 }
 
 /*!
-    Sets the blue color component of this color to \a blue. Float components
-    are specified in the range 0.0-1.0.
-
+    Sets the blue color component of this color to \a blue. If \a blue lies outside
+    the 0.0-1.0 range, the color model will be changed to \c ExtendedRgb.
     \sa blueF(), blue(), setRgbF()
 */
 void QColor::setBlueF(qreal blue)
 {
-    QCOLOR_REAL_RANGE_CHECK("QColor::setBlueF", blue);
-    if (cspec != Rgb)
-        setRgbF(redF(), greenF(), blue, alphaF());
-    else
+    if (cspec == Rgb && blue >= qreal(0.0) && blue <= qreal(1.0))
         ct.argb.blue = qRound(blue * USHRT_MAX);
+    else if (cspec == ExtendedRgb)
+        castF16(ct.argbExtended.blueF16) = blue;
+    else
+        setRgbF(redF(), greenF(), blue, alphaF());
 }
 
 /*!
@@ -1933,6 +2004,30 @@ qreal QColor::blackF() const noexcept
 }
 
 /*!
+    Create and returns an extended RGB QColor based on this color.
+    \since 5.14
+
+    \sa toRgb, convertTo()
+*/
+QColor QColor::toExtendedRgb() const noexcept
+{
+    if (!isValid() || cspec == ExtendedRgb)
+        return *this;
+    if (cspec != Rgb)
+        return toRgb().toExtendedRgb();
+
+    constexpr qreal f = qreal(1.0) / USHRT_MAX;
+    QColor color;
+    color.cspec = ExtendedRgb;
+    castF16(color.ct.argbExtended.alphaF16) = qfloat16(ct.argb.alpha * f);
+    castF16(color.ct.argbExtended.redF16)   = qfloat16(ct.argb.red   * f);
+    castF16(color.ct.argbExtended.greenF16) = qfloat16(ct.argb.green * f);
+    castF16(color.ct.argbExtended.blueF16)  = qfloat16(ct.argb.blue  * f);
+    color.ct.argbExtended.pad = 0;
+    return color;
+}
+
+/*!
     Create and returns an RGB QColor based on this color.
 
     \sa fromRgb(), convertTo(), isValid()
@@ -1944,7 +2039,8 @@ QColor QColor::toRgb() const noexcept
 
     QColor color;
     color.cspec = Rgb;
-    color.ct.argb.alpha = ct.argb.alpha;
+    if (cspec != ExtendedRgb)
+        color.ct.argb.alpha = ct.argb.alpha;
     color.ct.argb.pad = 0;
 
     switch (cspec) {
@@ -2066,6 +2162,12 @@ QColor QColor::toRgb() const noexcept
             color.ct.argb.blue  = qRound((qreal(1.0) - (y * (qreal(1.0) - k) + k)) * USHRT_MAX);
             break;
         }
+    case ExtendedRgb:
+        color.ct.argb.alpha = qRound(USHRT_MAX * qreal(castF16(ct.argbExtended.alphaF16)));
+        color.ct.argb.red   = qRound(USHRT_MAX * qBound(qreal(0.0), qreal(castF16(ct.argbExtended.redF16)),   qreal(1.0)));
+        color.ct.argb.green = qRound(USHRT_MAX * qBound(qreal(0.0), qreal(castF16(ct.argbExtended.greenF16)), qreal(1.0)));
+        color.ct.argb.blue  = qRound(USHRT_MAX * qBound(qreal(0.0), qreal(castF16(ct.argbExtended.blueF16)),  qreal(1.0)));
+        break;
     default:
         break;
     }
@@ -2238,6 +2340,8 @@ QColor QColor::convertTo(QColor::Spec colorSpec) const noexcept
     switch (colorSpec) {
     case Rgb:
         return toRgb();
+    case ExtendedRgb:
+        return toExtendedRgb();
     case Hsv:
         return toHsv();
     case Cmyk:
@@ -2317,20 +2421,32 @@ QColor QColor::fromRgb(int r, int g, int b, int a)
     color values, \a r (red), \a g (green), \a b (blue), and \a a
     (alpha-channel, i.e. transparency).
 
-    All the values must be in the range 0.0-1.0.
+    The alpha value must be in the range 0.0-1.0.
+    If any of the other values are outside the range of 0.0-1.0 the
+    color model will be set as \c ExtendedRgb.
 
     \sa fromRgb(), fromRgba64(), toRgb(), isValid()
 */
 QColor QColor::fromRgbF(qreal r, qreal g, qreal b, qreal a)
 {
-    if (r < qreal(0.0) || r > qreal(1.0)
-        || g < qreal(0.0) || g > qreal(1.0)
-        || b < qreal(0.0) || b > qreal(1.0)
-        || a < qreal(0.0) || a > qreal(1.0)) {
-        qWarning("QColor::fromRgbF: RGB parameters out of range");
+    if (a < qreal(0.0) || a > qreal(1.0)) {
+        qWarning("QColor::fromRgbF: Alpha parameter out of range");
         return QColor();
     }
 
+    if (r < qreal(0.0) || r > qreal(1.0)
+            || g < qreal(0.0) || g > qreal(1.0)
+            || b < qreal(0.0) || b > qreal(1.0)) {
+        QColor color;
+        color.cspec = ExtendedRgb;
+        castF16(color.ct.argbExtended.alphaF16) = qfloat16(a);
+        castF16(color.ct.argbExtended.redF16)   = qfloat16(r);
+        castF16(color.ct.argbExtended.greenF16) = qfloat16(g);
+        castF16(color.ct.argbExtended.blueF16)  = qfloat16(b);
+        color.ct.argbExtended.pad   = 0;
+        return color;
+    }
+
     QColor color;
     color.cspec = Rgb;
     color.ct.argb.alpha = qRound(a * USHRT_MAX);
@@ -2885,6 +3001,8 @@ QDebug operator<<(QDebug dbg, const QColor &c)
         dbg.nospace() << "QColor(Invalid)";
     else if (c.spec() == QColor::Rgb)
         dbg.nospace() << "QColor(ARGB " << c.alphaF() << ", " << c.redF() << ", " << c.greenF() << ", " << c.blueF() << ')';
+    else if (c.spec() == QColor::ExtendedRgb)
+        dbg.nospace() << "QColor(Ext. ARGB " << c.alphaF() << ", " << c.redF() << ", " << c.greenF() << ", " << c.blueF() << ')';
     else if (c.spec() == QColor::Hsv)
         dbg.nospace() << "QColor(AHSV " << c.alphaF() << ", " << c.hueF() << ", " << c.saturationF() << ", " << c.valueF() << ')';
     else if (c.spec() == QColor::Cmyk)
diff --git a/src/gui/painting/qcolor.h b/src/gui/painting/qcolor.h
index cbc8b98f9c..77b2d43c40 100644
--- a/src/gui/painting/qcolor.h
+++ b/src/gui/painting/qcolor.h
@@ -64,7 +64,7 @@ Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QColor &);
 class Q_GUI_EXPORT QColor
 {
 public:
-    enum Spec { Invalid, Rgb, Hsv, Cmyk, Hsl };
+    enum Spec { Invalid, Rgb, Hsv, Cmyk, Hsl, ExtendedRgb };
     enum NameFormat { HexRgb, HexArgb };
 
     inline QColor() noexcept;
@@ -198,6 +198,7 @@ public:
     QColor toHsv() const noexcept;
     QColor toCmyk() const noexcept;
     QColor toHsl() const noexcept;
+    QColor toExtendedRgb() const noexcept;
 
     Q_REQUIRED_RESULT QColor convertTo(Spec colorSpec) const noexcept;
 
@@ -275,6 +276,13 @@ private:
             ushort lightness;
             ushort pad;
         } ahsl;
+        struct {
+            ushort alphaF16;
+            ushort redF16;
+            ushort greenF16;
+            ushort blueF16;
+            ushort pad;
+        } argbExtended;
         ushort array[5];
     } ct;
 
diff --git a/src/gui/painting/qcolortransform.cpp b/src/gui/painting/qcolortransform.cpp
index b677c4b36b..c723e12f8a 100644
--- a/src/gui/painting/qcolortransform.cpp
+++ b/src/gui/painting/qcolortransform.cpp
@@ -204,19 +204,36 @@ QColor QColorTransform::map(const QColor &color) const
     if (!d_ptr)
         return color;
     Q_D(const QColorTransform);
-    QColorVector c = { (float)color.redF(), (float)color.greenF(), (float)color.blueF() };
-    c.x = d->colorSpaceIn->trc[0].apply(c.x);
-    c.y = d->colorSpaceIn->trc[1].apply(c.y);
-    c.z = d->colorSpaceIn->trc[2].apply(c.z);
+    QColor clr = color;
+    if (color.spec() != QColor::ExtendedRgb || color.spec() != QColor::Rgb)
+        clr = clr.toRgb();
+
+    QColorVector c = { (float)clr.redF(), (float)clr.greenF(), (float)clr.blueF() };
+    if (clr.spec() == QColor::ExtendedRgb) {
+        c.x = d->colorSpaceIn->trc[0].applyExtended(c.x);
+        c.y = d->colorSpaceIn->trc[1].applyExtended(c.y);
+        c.z = d->colorSpaceIn->trc[2].applyExtended(c.z);
+    } else {
+        c.x = d->colorSpaceIn->trc[0].apply(c.x);
+        c.y = d->colorSpaceIn->trc[1].apply(c.y);
+        c.z = d->colorSpaceIn->trc[2].apply(c.z);
+    }
     c = d->colorMatrix.map(c);
-    if (d_ptr->colorSpaceOut->lutsGenerated.loadAcquire()) {
-        c.x = d->colorSpaceOut->lut[0]->fromLinear(c.x);
-        c.y = d->colorSpaceOut->lut[1]->fromLinear(c.y);
-        c.z = d->colorSpaceOut->lut[2]->fromLinear(c.z);
+    bool inGamut = c.x >= 0.0f && c.x <= 1.0f && c.y >= 0.0f && c.y <= 1.0f && c.z >= 0.0f && c.z <= 1.0f;
+    if (inGamut) {
+        if (d_ptr->colorSpaceOut->lutsGenerated.loadAcquire()) {
+            c.x = d->colorSpaceOut->lut[0]->fromLinear(c.x);
+            c.y = d->colorSpaceOut->lut[1]->fromLinear(c.y);
+            c.z = d->colorSpaceOut->lut[2]->fromLinear(c.z);
+        } else {
+            c.x = d->colorSpaceOut->trc[0].applyInverse(c.x);
+            c.y = d->colorSpaceOut->trc[1].applyInverse(c.y);
+            c.z = d->colorSpaceOut->trc[2].applyInverse(c.z);
+        }
     } else {
-        c.x = d->colorSpaceOut->trc[0].applyInverse(c.x);
-        c.y = d->colorSpaceOut->trc[1].applyInverse(c.y);
-        c.z = d->colorSpaceOut->trc[2].applyInverse(c.z);
+        c.x = d->colorSpaceOut->trc[0].applyInverseExtended(c.x);
+        c.y = d->colorSpaceOut->trc[1].applyInverseExtended(c.y);
+        c.z = d->colorSpaceOut->trc[2].applyInverseExtended(c.z);
     }
     QColor out;
     out.setRgbF(c.x, c.y, c.z, color.alphaF());
diff --git a/src/gui/painting/qcolortrc_p.h b/src/gui/painting/qcolortrc_p.h
index 3a649f3756..3ef9d442fc 100644
--- a/src/gui/painting/qcolortrc_p.h
+++ b/src/gui/painting/qcolortrc_p.h
@@ -91,7 +91,16 @@ public:
             return m_fun.apply(x);
         return x;
     }
-
+    float applyExtended(float x) const
+    {
+        if (x >= 0.0f && x <= 1.0f)
+            return apply(x);
+        if (m_type == Type::Function)
+            return std::copysign(m_fun.apply(std::abs(x)), x);
+        if (m_type == Type::Table)
+            return x < 0.0f ? 0.0f : 1.0f;
+        return x;
+    }
     float applyInverse(float x) const
     {
         if (m_type == Type::Table)
@@ -100,6 +109,16 @@ public:
             return m_fun.inverted().apply(x);
         return x;
     }
+    float applyInverseExtended(float x) const
+    {
+        if (x >= 0.0f && x <= 1.0f)
+            return applyInverse(x);
+        if (m_type == Type::Function)
+            return std::copysign(applyInverse(x), x);
+        if (m_type == Type::Table)
+            return x < 0.0f ? 0.0f : 1.0f;
+        return x;
+    }
 
     friend inline bool operator!=(const QColorTrc &o1, const QColorTrc &o2);
     friend inline bool operator==(const QColorTrc &o1, const QColorTrc &o2);
diff --git a/src/platformsupport/input/tslib/qtslib.cpp b/src/platformsupport/input/tslib/qtslib.cpp
index f8fdc151ec..c4caea5c80 100644
--- a/src/platformsupport/input/tslib/qtslib.cpp
+++ b/src/platformsupport/input/tslib/qtslib.cpp
@@ -62,31 +62,15 @@ QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
     qCDebug(qLcTsLib) << "Initializing tslib plugin" << key << specification;
     setObjectName(QLatin1String("TSLib Mouse Handler"));
 
-    QByteArray device = qgetenv("TSLIB_TSDEVICE");
-
-    if (specification.startsWith(QLatin1String("/dev/")))
-        device = specification.toLocal8Bit();
-
-    if (device.isEmpty())
-        device = QByteArrayLiteral("/dev/input/event1");
-
-    m_dev = ts_open(device.constData(), 1);
+    m_dev = ts_setup(nullptr, 1);
     if (!m_dev) {
-        qErrnoWarning(errno, "ts_open() failed");
+        qErrnoWarning(errno, "ts_setup() failed");
         return;
     }
 
-    if (ts_config(m_dev))
-        qErrnoWarning(errno, "ts_config() failed");
-
-    int fd = ts_fd(m_dev);
-    if (fd >= 0) {
-        qCDebug(qLcTsLib) << "tslib device is" << device;
-        m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
-        connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
-    } else {
-        qErrnoWarning(errno, "tslib: Cannot open input device %s", device.constData());
-    }
+    qCDebug(qLcTsLib) << "tslib device is" << ts_get_eventpath(m_dev);
+    m_notify = new QSocketNotifier(ts_fd(m_dev), QSocketNotifier::Read, this);
+    connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
 }
 
 QTsLibMouseHandler::~QTsLibMouseHandler()
diff --git a/src/plugins/platforms/android/qandroidplatformwindow.h b/src/plugins/platforms/android/qandroidplatformwindow.h
index f2e51bd3df..5edd274759 100644
--- a/src/plugins/platforms/android/qandroidplatformwindow.h
+++ b/src/plugins/platforms/android/qandroidplatformwindow.h
@@ -65,6 +65,9 @@ public:
     void setParent(const QPlatformWindow *window) override;
     WId winId() const override { return m_windowId; }
 
+    bool setMouseGrabEnabled(bool grab) override { return false; }
+    bool setKeyboardGrabEnabled(bool grab) override { return false; }
+
     QAndroidPlatformScreen *platformScreen() const;
 
     void propagateSizeHints() override;
diff --git a/src/tools/moc/generator.cpp b/src/tools/moc/generator.cpp
index 02c1fbd394..ab7e400f47 100644
--- a/src/tools/moc/generator.cpp
+++ b/src/tools/moc/generator.cpp
@@ -1652,6 +1652,12 @@ void Generator::generatePluginMetaData()
         jsonObjectToCbor(&map, o);
     }
 
+    if (!cdef->pluginData.uri.isEmpty()) {
+        dev.nextItem("\"URI\"");
+        cbor_encode_int(&map, int(QtPluginMetaDataKeys::URI));
+        cbor_encode_text_string(&map, cdef->pluginData.uri.constData(), cdef->pluginData.uri.size());
+    }
+
     // Add -M args from the command line:
     for (auto it = cdef->pluginData.metaArgs.cbegin(), end = cdef->pluginData.metaArgs.cend(); it != end; ++it) {
         const QJsonArray &a = it.value();
diff --git a/src/tools/moc/moc.cpp b/src/tools/moc/moc.cpp
index 2f52dd6ca0..7f43917f7e 100644
--- a/src/tools/moc/moc.cpp
+++ b/src/tools/moc/moc.cpp
@@ -1311,6 +1311,9 @@ void Moc::parsePluginData(ClassDef *def)
         if (l == "IID") {
             next(STRING_LITERAL);
             def->pluginData.iid = unquotedLexem();
+        } else if (l == "URI") {
+            next(STRING_LITERAL);
+            def->pluginData.uri = unquotedLexem();
         } else if (l == "FILE") {
             next(STRING_LITERAL);
             QByteArray metaDataFile = unquotedLexem();
@@ -1351,6 +1354,7 @@ void Moc::parsePluginData(ClassDef *def)
                     + " does not contain a valid JSON object. Declaration will be ignored";
             warning(msg.constData());
             def->pluginData.iid = QByteArray();
+            def->pluginData.uri = QByteArray();
             return;
         }
     }
diff --git a/src/tools/moc/moc.h b/src/tools/moc/moc.h
index 2bba8a5bb9..bb1c9501fe 100644
--- a/src/tools/moc/moc.h
+++ b/src/tools/moc/moc.h
@@ -167,6 +167,7 @@ struct ClassDef : BaseDef {
 
     struct PluginData {
         QByteArray iid;
+        QByteArray uri;
         QMap<QString, QJsonArray> metaArgs;
         QJsonDocument metaData;
     } pluginData;
diff --git a/src/tools/uic/cpp/cppwriteinitialization.cpp b/src/tools/uic/cpp/cppwriteinitialization.cpp
index 6ff7323b3d..b8ff91f354 100644
--- a/src/tools/uic/cpp/cppwriteinitialization.cpp
+++ b/src/tools/uic/cpp/cppwriteinitialization.cpp
@@ -556,7 +556,7 @@ void WriteInitialization::acceptUI(DomUI *node)
 
     m_output << m_option.indent << language::endFunctionDefinition("setupUi");
 
-    if (!m_mainFormUsedInRetranslateUi) {
+    if (!m_mainFormUsedInRetranslateUi && language::language() == Language::Cpp) {
         m_refreshInitialization += m_indent;
         m_refreshInitialization += QLatin1String("Q_UNUSED(");
         m_refreshInitialization += varName ;
@@ -1760,55 +1760,76 @@ QString WriteInitialization::writeIconProperties(const DomResourceIcon *i)
     // check cache
     const IconHandle iconHandle(i);
     const IconPropertiesNameMap::const_iterator it = m_iconPropertiesNameMap.constFind(iconHandle);
-    if (it != m_iconPropertiesNameMap.constEnd()) {
+    if (it != m_iconPropertiesNameMap.constEnd())
         return it.value();
-    }
 
     // insert with new name
     const QString iconName = m_driver->unique(QLatin1String("icon"));
     m_iconPropertiesNameMap.insert(IconHandle(i), iconName);
-    if (isIconFormat44(i)) {
-        if (i->attributeTheme().isEmpty()) {
-            // No theme: Write resource icon as is
-            m_output << m_indent << "QIcon " << iconName << ";\n";
-            if (m_uic->pixmapFunction().isEmpty())
-                writeResourceIcon(m_output, iconName, m_indent, i);
-            else
-                writePixmapFunctionIcon(m_output, iconName, m_indent, i);
-        } else {
-            // Theme: Generate code to check the theme and default to resource
-            if (iconHasStatePixmaps(i)) {
-                // Theme + default state pixmaps:
-                // Generate code to check the theme and default to state pixmaps
-                m_output << m_indent << "QIcon " << iconName << ";\n";
-                const char themeNameStringVariableC[] = "iconThemeName";
-                // Store theme name in a variable
-                m_output << m_indent;
-                if (m_firstThemeIcon) { // Declare variable string
-                    m_output << "QString ";
-                    m_firstThemeIcon = false;
-                }
-                m_output << themeNameStringVariableC << " = "
-                    << language::qstring(i->attributeTheme()) << ";\n";
-                m_output << m_indent << "if (QIcon::hasThemeIcon("
-                         << themeNameStringVariableC
-                         << ")) {\n"
-                         << m_dindent << iconName << " = QIcon::fromTheme(" << themeNameStringVariableC << ");\n"
-                         << m_indent << "} else {\n";
-                if (m_uic->pixmapFunction().isEmpty())
-                    writeResourceIcon(m_output, iconName, m_dindent, i);
-                else
-                    writePixmapFunctionIcon(m_output, iconName, m_dindent, i);
-                m_output << m_indent << "}\n";
-            } else {
-                // Theme, but no state pixmaps: Construct from theme directly.
-                m_output << m_indent << "QIcon " << iconName << "(QIcon::fromTheme("
-                    << language::qstring(i->attributeTheme()) << "));\n";
-            } // Theme, but not state
-        }     // >= 4.4
-    } else {  // pre-4.4 legacy
-        m_output <<  m_indent << "const QIcon " << iconName << " = " << pixCall(QLatin1String("QIcon"), i->text())<< ";\n";
+
+    const bool isCpp = language::language() == Language::Cpp;
+
+    if (Q_UNLIKELY(!isIconFormat44(i))) { // pre-4.4 legacy
+        m_output <<  m_indent;
+        if (isCpp)
+            m_output << "const QIcon ";
+        m_output << iconName << " = " << pixCall(QLatin1String("QIcon"), i->text())
+            << language::eol;
+        return iconName;
+    }
+
+    // 4.4 onwards
+    if (i->attributeTheme().isEmpty()) {
+        // No theme: Write resource icon as is
+        m_output << m_indent << language::stackVariable("QIcon", iconName)
+            << language::eol;
+        if (m_uic->pixmapFunction().isEmpty())
+            writeResourceIcon(m_output, iconName, m_indent, i);
+        else
+            writePixmapFunctionIcon(m_output, iconName, m_indent, i);
+        return iconName;
     }
+
+    // Theme: Generate code to check the theme and default to resource
+    if (iconHasStatePixmaps(i)) {
+        // Theme + default state pixmaps:
+        // Generate code to check the theme and default to state pixmaps
+        m_output << m_indent << language::stackVariable("QIcon", iconName) << ";\n";
+        const char themeNameStringVariableC[] = "iconThemeName";
+        // Store theme name in a variable
+        m_output << m_indent;
+        if (m_firstThemeIcon) { // Declare variable string
+            if (isCpp)
+                m_output << "QString ";
+            m_firstThemeIcon = false;
+        }
+        m_output << themeNameStringVariableC << " = "
+            << language::qstring(i->attributeTheme()) << language::eol;
+        m_output << m_indent << "if ";
+        if (isCpp)
+            m_output << '(';
+        m_output << "QIcon" << language::qualifier << "hasThemeIcon("
+            << themeNameStringVariableC << ')' << (isCpp ? ") {" : ":") << '\n'
+            << m_dindent << iconName << " = QIcon" << language::qualifier << "fromTheme("
+            << themeNameStringVariableC << ')' << language::eol
+            << m_indent << (isCpp ? "} else {" : "else:") << '\n';
+        if (m_uic->pixmapFunction().isEmpty())
+            writeResourceIcon(m_output, iconName, m_dindent, i);
+        else
+            writePixmapFunctionIcon(m_output, iconName, m_dindent, i);
+        m_output << m_indent;
+        if (isCpp)
+            m_output << '}';
+        m_output  << '\n';
+        return iconName;
+    }
+
+    // Theme, but no state pixmaps: Construct from theme directly.
+    m_output << m_indent
+        << language::stackVariableWithInitParameters("QIcon", iconName)
+        << "QIcon" << language::qualifier << "fromTheme("
+        << language::qstring(i->attributeTheme()) << "))"
+        << language::eol;
     return iconName;
 }
 
@@ -1910,31 +1931,36 @@ void WriteInitialization::writeBrush(const DomBrush *brush, const QString &brush
         const QString gradientType = gradient->attributeType();
         const QString gradientName = m_driver->unique(QLatin1String("gradient"));
         if (gradientType == QLatin1String("LinearGradient")) {
-            m_output << m_indent << "QLinearGradient " << gradientName
-                << '(' << gradient->attributeStartX()
+            m_output << m_indent
+                << language::stackVariableWithInitParameters("QLinearGradient", gradientName)
+                << gradient->attributeStartX()
                 << ", " << gradient->attributeStartY()
                 << ", " << gradient->attributeEndX()
-                << ", " << gradient->attributeEndY() << ");\n";
+                << ", " << gradient->attributeEndY() << ')' << language::eol;
         } else if (gradientType == QLatin1String("RadialGradient")) {
-            m_output << m_indent << "QRadialGradient " << gradientName
-                << '(' << gradient->attributeCentralX()
+            m_output << m_indent
+                << language::stackVariableWithInitParameters("QRadialGradient", gradientName)
+                << gradient->attributeCentralX()
                 << ", " << gradient->attributeCentralY()
                 << ", " << gradient->attributeRadius()
                 << ", " << gradient->attributeFocalX()
-                << ", " << gradient->attributeFocalY() << ");\n";
+                << ", " << gradient->attributeFocalY() << ')' << language::eol;
         } else if (gradientType == QLatin1String("ConicalGradient")) {
-            m_output << m_indent << "QConicalGradient " << gradientName
-                << '(' << gradient->attributeCentralX()
+            m_output << m_indent
+                << language::stackVariableWithInitParameters("QConicalGradient", gradientName)
+                << gradient->attributeCentralX()
                 << ", " << gradient->attributeCentralY()
-                << ", " << gradient->attributeAngle() << ");\n";
+                << ", " << gradient->attributeAngle() << ')' << language::eol;
         }
 
-        m_output << m_indent << gradientName << ".setSpread(QGradient::"
-            << gradient->attributeSpread() << ");\n";
+        m_output << m_indent << gradientName << ".setSpread(QGradient"
+            << language::qualifier << gradient->attributeSpread()
+            << ')' << language::eol;
 
         if (gradient->hasAttributeCoordinateMode()) {
-            m_output << m_indent << gradientName << ".setCoordinateMode(QGradient::"
-                << gradient->attributeCoordinateMode() << ");\n";
+            m_output << m_indent << gradientName << ".setCoordinateMode(QGradient"
+                << language::qualifier << gradient->attributeCoordinateMode()
+                << ')' << language::eol;
         }
 
        const auto &stops = gradient->elementGradientStop();
@@ -1942,19 +1968,22 @@ void WriteInitialization::writeBrush(const DomBrush *brush, const QString &brush
             const DomColor *color = stop->elementColor();
             m_output << m_indent << gradientName << ".setColorAt("
                 << stop->attributePosition() << ", "
-                << domColor2QString(color) << ");\n";
+                << domColor2QString(color) << ')' << language::eol;
         }
-        m_output << m_indent << "QBrush " << brushName << '('
-            << gradientName << ");\n";
+        m_output << m_indent
+            << language::stackVariableWithInitParameters("QBrush", brushName)
+            << gradientName << ')' << language::eol;
     } else if (style == QLatin1String("TexturePattern")) {
         const DomProperty *property = brush->elementTexture();
         const QString iconValue = iconCall(property);
 
-        m_output << m_indent << "QBrush " << brushName << " = QBrush("
-            << iconValue << ");\n";
+        m_output << m_indent
+            << language::stackVariableWithInitParameters("QBrush", brushName)
+            << iconValue << ')' << language::eol;
     } else {
         const DomColor *color = brush->elementColor();
-        m_output << m_indent << "QBrush " << brushName << '('
+        m_output << m_indent
+            << language::stackVariableWithInitParameters("QBrush", brushName)
             << domColor2QString(color) << ')' << language::eol;
 
         m_output << m_indent << brushName << ".setStyle("
diff --git a/tests/auto/corelib/plugin/qpluginloader/staticplugin/main.cpp b/tests/auto/corelib/plugin/qpluginloader/staticplugin/main.cpp
index d891839b1e..6d163ea336 100644
--- a/tests/auto/corelib/plugin/qpluginloader/staticplugin/main.cpp
+++ b/tests/auto/corelib/plugin/qpluginloader/staticplugin/main.cpp
@@ -31,7 +31,7 @@
 class StaticPlugin : public QObject
 {
     Q_OBJECT
-    Q_PLUGIN_METADATA(IID "SomeIID")
+    Q_PLUGIN_METADATA(IID "SomeIID" URI "qt.test.pluginloader.staticplugin")
 public:
     StaticPlugin() {}
 };
diff --git a/tests/auto/corelib/plugin/qpluginloader/tst_qpluginloader.cpp b/tests/auto/corelib/plugin/qpluginloader/tst_qpluginloader.cpp
index 4316ea14ea..b06000d9c4 100644
--- a/tests/auto/corelib/plugin/qpluginloader/tst_qpluginloader.cpp
+++ b/tests/auto/corelib/plugin/qpluginloader/tst_qpluginloader.cpp
@@ -552,6 +552,7 @@ void tst_QPluginLoader::staticPlugins()
     QCOMPARE(metaData.value("version").toInt(), QT_VERSION);
     QCOMPARE(metaData.value("IID").toString(), "SomeIID");
     QCOMPARE(metaData.value("ExtraMetaData"), QJsonArray({ "StaticPlugin", "foo" }));
+    QCOMPARE(metaData.value("URI").toString(), "qt.test.pluginloader.staticplugin");
 }
 
 
diff --git a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp
index 13d0618bd9..4d92bdd382 100644
--- a/tests/auto/gui/painting/qcolor/tst_qcolor.cpp
+++ b/tests/auto/gui/painting/qcolor/tst_qcolor.cpp
@@ -70,6 +70,7 @@ private slots:
     void setBlue();
 
     void setRgb();
+    void setRgbF();
     void setRgba();
     void setHsv();
     void setCmyk();
@@ -187,28 +188,28 @@ void tst_QColor::getSetCheck()
     // void QColor::setRedF(qreal)
     obj1.setRedF(0.0);
     QCOMPARE(obj1.redF(), qreal(0.0));
-    obj1.setRedF(-0.2);
-    QCOMPARE(obj1.redF(), qreal(0.0)); // range<0.0, 1.0
-    obj1.setRedF(1.1);
-    QCOMPARE(obj1.redF(), qreal(1.0)); // range<0.0, 1.0
+    obj1.setRedF(-0.25);
+    QCOMPARE(obj1.redF(), qreal(-0.25));
+    obj1.setRedF(1.25);
+    QCOMPARE(obj1.redF(), qreal(1.25));
 
     // qreal QColor::greenF()
     // void QColor::setGreenF(qreal)
     obj1.setGreenF(0.0);
     QCOMPARE(obj1.greenF(), qreal(0.0));
-    obj1.setGreenF(-0.2);
-    QCOMPARE(obj1.greenF(), qreal(0.0)); // range<0.0, 1.0
-    obj1.setGreenF(1.1);
-    QCOMPARE(obj1.greenF(), qreal(1.0)); // range<0.0, 1.0
+    obj1.setGreenF(-0.25);
+    QCOMPARE(obj1.greenF(), qreal(-0.25));
+    obj1.setGreenF(1.5);
+    QCOMPARE(obj1.greenF(), qreal(1.5));
 
     // qreal QColor::blueF()
     // void QColor::setBlueF(qreal)
     obj1.setBlueF(0.0);
     QCOMPARE(obj1.blueF(), qreal(0.0));
-    obj1.setBlueF(-0.2);
-    QCOMPARE(obj1.blueF(), qreal(0.0)); // range<0.0, 1.0
-    obj1.setBlueF(1.1);
-    QCOMPARE(obj1.blueF(), qreal(1.0)); // range<0.0, 1.0
+    obj1.setBlueF(-0.5);
+    QCOMPARE(obj1.blueF(), qreal(-0.5));
+    obj1.setBlueF(2.0);
+    QCOMPARE(obj1.blueF(), qreal(2.0));
 
     // QRgb QColor::rgba()
     // void QColor::setRgba(QRgb)
@@ -677,30 +678,81 @@ void tst_QColor::setRgb()
 {
     QColor color;
 
-    for (int A = 0; A <= USHRT_MAX; ++A) {
-        {
-            // 0-255
-            int a = A >> 8;
-            QRgb rgb = qRgba(0, 0, 0, a);
+    for (int a = 0; a <= 255; ++a) {
+        QRgb rgb = qRgba(0, 0, 0, a);
 
-            color.setRgb(0, 0, 0, a);
-            QCOMPARE(color.alpha(), a);
-            QCOMPARE(color.rgb(),  qRgb(0, 0, 0));
+        color.setRgb(0, 0, 0, a);
+        QCOMPARE(color.alpha(), a);
+        QCOMPARE(color.rgb(),  qRgb(0, 0, 0));
 
-            color.setRgb(rgb);
-            QCOMPARE(color.alpha(), 255);
-            QCOMPARE(color.rgb(),   qRgb(0, 0, 0));
+        color.setRgb(rgb);
+        QCOMPARE(color.alpha(), 255);
+        QCOMPARE(color.rgb(),   qRgb(0, 0, 0));
 
-            int r, g, b, a2;
-            color.setRgb(0, 0, 0, a);
-            color.getRgb(&r, &g, &b, &a2);
-            QCOMPARE(a2, a);
+        int r, g, b, a2;
+        color.setRgb(0, 0, 0, a);
+        color.getRgb(&r, &g, &b, &a2);
+        QCOMPARE(a2, a);
 
-            QColor c(0, 0, 0);
-            c.setAlpha(a);
-            QCOMPARE(c.alpha(), a);
-        }
+        QColor c(0, 0, 0);
+        c.setAlpha(a);
+        QCOMPARE(c.alpha(), a);
+    }
 
+    for (int r = 0; r <= 255; ++r) {
+        QRgb rgb = qRgb(r, 0, 0);
+
+        color.setRgb(r, 0, 0);
+        QCOMPARE(color.red(), r);
+        QCOMPARE(color.rgb(), rgb);
+
+        color.setRgb(rgb);
+        QCOMPARE(color.red(), r);
+        QCOMPARE(color.rgb(), rgb);
+
+        int r2, g, b, a;
+        color.getRgb(&r2, &g, &b, &a);
+        QCOMPARE(r2, r);
+    }
+
+    for (int g = 0; g <= 255; ++g) {
+        QRgb rgb = qRgb(0, g, 0);
+
+        color.setRgb(0, g, 0);
+        QCOMPARE(color.green(), g);
+        QCOMPARE(color.rgb(),   rgb);
+
+        color.setRgb(rgb);
+        QCOMPARE(color.green(), g);
+        QCOMPARE(color.rgb(),   rgb);
+
+        int r, g2, b, a;
+        color.getRgb(&r, &g2, &b, &a);
+        QCOMPARE(g2, g);
+    }
+
+    for (int b = 0; b <= 255; ++b) {
+        QRgb rgb = qRgb(0, 0, b);
+
+        color.setRgb(0, 0, b);
+        QCOMPARE(color.blue(),  b);
+        QCOMPARE(color.rgb(),   rgb);
+
+        color.setRgb(rgb);
+        QCOMPARE(color.blue(),  b);
+        QCOMPARE(color.rgb(),   rgb);
+
+        int r, g, b2, a;
+        color.getRgb(&r, &g, &b2, &a);
+        QCOMPARE(b2, b);
+    }
+}
+
+void tst_QColor::setRgbF()
+{
+    QColor color;
+
+    for (int A = 0; A <= USHRT_MAX; ++A) {
         {
             // 0.0-1.0
             qreal a = A / qreal(USHRT_MAX);
@@ -720,24 +772,6 @@ void tst_QColor::setRgb()
 
     for (int R = 0; R <= USHRT_MAX; ++R) {
         {
-            // 0-255
-            int r = R >> 8;
-            QRgb rgb = qRgb(r, 0, 0);
-
-            color.setRgb(r, 0, 0);
-            QCOMPARE(color.red(), r);
-            QCOMPARE(color.rgb(), rgb);
-
-            color.setRgb(rgb);
-            QCOMPARE(color.red(), r);
-            QCOMPARE(color.rgb(), rgb);
-
-            int r2, g, b, a;
-            color.getRgb(&r2, &g, &b, &a);
-            QCOMPARE(r2, r);
-        }
-
-        {
             // 0.0-1.0
             qreal r = R / qreal(USHRT_MAX);
             color.setRgbF(r, 0.0, 0.0);
@@ -751,24 +785,6 @@ void tst_QColor::setRgb()
 
     for (int G = 0; G <= USHRT_MAX; ++G) {
         {
-            // 0-255
-            int g = G >> 8;
-            QRgb rgb = qRgb(0, g, 0);
-
-            color.setRgb(0, g, 0);
-            QCOMPARE(color.green(), g);
-            QCOMPARE(color.rgb(),   rgb);
-
-            color.setRgb(rgb);
-            QCOMPARE(color.green(), g);
-            QCOMPARE(color.rgb(),   rgb);
-
-            int r, g2, b, a;
-            color.getRgb(&r, &g2, &b, &a);
-            QCOMPARE(g2, g);
-        }
-
-        {
             // 0.0-1.0
             qreal g = G / qreal(USHRT_MAX);
             color.setRgbF(0.0, g, 0.0);
@@ -782,32 +798,53 @@ void tst_QColor::setRgb()
 
     for (int B = 0; B <= USHRT_MAX; ++B) {
         {
-            // 0-255
-            int b = B >> 8;
-            QRgb rgb = qRgb(0, 0, b);
+            // 0.0-1.0
+            qreal b = B / qreal(USHRT_MAX);
+            color.setRgbF(0.0, 0.0, b);
+            QCOMPARE(color.blueF(), b);
 
-            color.setRgb(0, 0, b);
-            QCOMPARE(color.blue(),  b);
-            QCOMPARE(color.rgb(),   rgb);
+            qreal r, g, b2, a;
+            color.getRgbF(&r, &g, &b2, &a);
+            QCOMPARE(b2, b);
+        }
+    }
 
-            color.setRgb(rgb);
-            QCOMPARE(color.blue(),  b);
-            QCOMPARE(color.rgb(),   rgb);
+    for (int R = -128; R <= 512; ++R) {
+        {
+            // extended RGB
+            qreal r = R / qreal(256);
+            color.setRgbF(r, 0.0, 0.0);
+            QCOMPARE(qfloat16(color.redF()), qfloat16(r));
 
-            int r, g, b2, a;
-            color.getRgb(&r, &g, &b2, &a);
-            QCOMPARE(b2, b);
+            qreal r2, g, b, a;
+            color.getRgbF(&r2, &g, &b, &a);
+            QCOMPARE(qfloat16(r2), qfloat16(r));
         }
+    }
 
+    for (int G = -128; G <= 512; ++G) {
         {
-            // 0.0-1.0
-            qreal b = B / qreal(USHRT_MAX);
+            // extended RGB
+            qreal g = G / qreal(256);
+            color.setRgbF(0.0, g, 0.0);
+            QCOMPARE(qfloat16(color.greenF()), qfloat16(g));
+
+            qreal r, g2, b, a;
+            color.getRgbF(&r, &g2, &b, &a);
+            QCOMPARE(qfloat16(g2), qfloat16(g));
+        }
+    }
+
+    for (int B = -128; B <= 512; ++B) {
+        {
+            // extended RGB
+            qreal b = B / qreal(256);
             color.setRgbF(0.0, 0.0, b);
-            QCOMPARE(color.blueF(), b);
+            QCOMPARE(qfloat16(color.blueF()), qfloat16(b));
 
             qreal r, g, b2, a;
             color.getRgbF(&r, &g, &b2, &a);
-            QCOMPARE(b2, b);
+            QCOMPARE(qfloat16(b2), qfloat16(b));
         }
     }
 }
diff --git a/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp b/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
index 9bd4b75443..35bca58854 100644
--- a/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
+++ b/tests/auto/gui/painting/qcolorspace/tst_qcolorspace.cpp
@@ -57,6 +57,8 @@ private slots:
     void imageConversion();
 
     void loadImage();
+
+    void gamut();
 };
 
 tst_QColorSpace::tst_QColorSpace()
@@ -232,6 +234,59 @@ void tst_QColorSpace::loadImage()
     // Test the iccProfile getter returns the ICC profile from the image
     // which since we didn't write it, isn't identical to our defaults.
     QVERIFY(defaultProPhotoRgb.iccProfile() != image.colorSpace().iccProfile());
+
+    QColorTransform transform = image.colorSpace().transformationToColorSpace(QColorSpace::SRgb);
+    qreal maxRed = 0;
+    qreal maxBlue = 0;
+    qreal maxRed2 = 0;
+    qreal maxBlue2 = 0;
+    for (int y = 0; y < image.height(); ++y) {
+        for (int x = 0; x < image.width(); ++x) {
+            QColor p = image.pixelColor(x, y);
+            maxRed = std::max(maxRed, p.redF());
+            maxBlue = std::max(maxBlue, p.blueF());
+            p = transform.map(p);
+            maxRed2 = std::max(maxRed2, p.redF());
+            maxBlue2 = std::max(maxBlue2, p.blueF());
+
+        }
+    }
+    // ProPhotoRgb can be a lot more red and blue than SRgb can, so it will have lower values.
+    QVERIFY(maxRed2 > maxRed);
+    QVERIFY(maxBlue2 > maxBlue);
+}
+
+void tst_QColorSpace::gamut()
+{
+    QColor black = QColor::fromRgbF(0.0, 0.0, 0.0);
+    QColor white = QColor::fromRgbF(1.0, 1.0, 1.0);
+    QColor red = QColor::fromRgbF(1.0, 0.0, 0.0);
+    QColor green = QColor::fromRgbF(0.0, 1.0, 0.0);
+    QColor blue = QColor::fromRgbF(0.0, 0.0, 1.0);
+
+    QColorTransform toAdobeRgb = QColorSpace(QColorSpace::SRgb).transformationToColorSpace(QColorSpace::AdobeRgb);
+
+    QColor tblack = toAdobeRgb.map(black);
+    QColor twhite = toAdobeRgb.map(white);
+    QColor tred = toAdobeRgb.map(red);
+    QColor tgreen = toAdobeRgb.map(green);
+    QColor tblue = toAdobeRgb.map(blue);
+
+    // Black is black
+    QCOMPARE(tblack, black);
+
+    // This white hasn't changed
+    QCOMPARE(twhite, white);
+
+    // Adobe's red and blue gamut corners are the same as sRGB's
+    // So, a color in the red corner, will stay in the red corner
+    // the same for blue, but not for green.
+    QVERIFY(tred.greenF() < 0.001);
+    QVERIFY(tred.blueF() < 0.001);
+    QVERIFY(tblue.redF() < 0.001);
+    QVERIFY(tblue.greenF() < 0.001);
+    QVERIFY(tgreen.redF() > 0.2);
+    QVERIFY(tgreen.blueF() > 0.2);
 }
 
 QTEST_MAIN(tst_QColorSpace)
diff --git a/tests/auto/tools/uic/tst_uic.cpp b/tests/auto/tools/uic/tst_uic.cpp
index f9553028fe..5b2f1f008b 100644
--- a/tests/auto/tools/uic/tst_uic.cpp
+++ b/tests/auto/tools/uic/tst_uic.cpp
@@ -36,17 +36,27 @@
 #include <QtCore/QTemporaryDir>
 #include <QtCore/QRegularExpression>
 #include <QtCore/QStandardPaths>
+#include <QtCore/QVector>
 
 #include <cstdio>
 
 static const char keepEnvVar[] = "UIC_KEEP_GENERATED_FILES";
 static const char diffToStderrEnvVar[] = "UIC_STDERR_DIFF";
 
+struct TestEntry
+{
+    QByteArray name;
+    QString baselineBaseName;
+    QString generatedFileName;
+};
+
 class tst_uic : public QObject
 {
     Q_OBJECT
 
 public:
+    using TestEntries = QVector<TestEntry>;
+
     tst_uic();
 
 private Q_SLOTS:
@@ -63,13 +73,20 @@ private Q_SLOTS:
     void compare();
     void compare_data() const;
 
+    void python();
+    void python_data() const;
+
     void runCompare();
 
 private:
+    void populateTestEntries();
+
     const QString m_command;
     QString m_baseline;
     QTemporaryDir m_generated;
+    TestEntries m_testEntries;
     QRegularExpression m_versionRegexp;
+    QString m_python;
 };
 
 tst_uic::tst_uic()
@@ -85,6 +102,32 @@ static QByteArray msgProcessStartFailed(const QString &command, const QString &w
     return result.toLocal8Bit();
 }
 
+// Locate Python and check whether PySide2 is installed
+static QString locatePython(QTemporaryDir &generatedDir)
+{
+    QString python = QStandardPaths::findExecutable(QLatin1String("python"));
+    if (python.isEmpty()) {
+        qWarning("Cannot locate python, skipping tests");
+        return QString();
+    }
+    QFile importTestFile(generatedDir.filePath(QLatin1String("import_test.py")));
+    if (!importTestFile.open(QIODevice::WriteOnly| QIODevice::Text))
+        return QString();
+    importTestFile.write("import PySide2.QtCore\n");
+    importTestFile.close();
+    QProcess process;
+    process.start(python, {importTestFile.fileName()});
+    if (!process.waitForStarted() || !process.waitForFinished())
+        return QString();
+    if (process.exitStatus() != QProcess::NormalExit || process.exitCode() != 0) {
+        const QString stdErr = QString::fromLocal8Bit(process.readAllStandardError()).simplified();
+        qWarning("PySide2 is not installed (%s)", qPrintable(stdErr));
+        return QString();
+    }
+    importTestFile.remove();
+    return python;
+}
+
 void tst_uic::initTestCase()
 {
     QVERIFY2(m_generated.isValid(), qPrintable(m_generated.errorString()));
@@ -105,7 +148,28 @@ void tst_uic::initTestCase()
                   arg(QDir::currentPath());
     if (!outLines.empty())
         msg += outLines.front();
+    populateTestEntries();
+    QVERIFY(!m_testEntries.isEmpty());
     qDebug("%s", qPrintable(msg));
+
+    m_python = locatePython(m_generated);
+}
+
+void tst_uic::populateTestEntries()
+{
+    const QString generatedPrefix = m_generated.path() + QLatin1Char('/');
+    QDir baseline(m_baseline);
+    const QString baseLinePrefix = baseline.path() + QLatin1Char('/');
+    const QFileInfoList baselineFiles =
+        baseline.entryInfoList(QStringList(QString::fromLatin1("*.ui")), QDir::Files);
+    m_testEntries.reserve(baselineFiles.size());
+    for (const QFileInfo &baselineFile : baselineFiles) {
+        const QString baseName = baselineFile.baseName();
+        const QString baselineBaseName = baseLinePrefix + baseName;
+        const QString generatedFile = generatedPrefix + baselineFile.fileName()
+            + QLatin1String(".h");
+        m_testEntries.append(TestEntry{baseName.toLocal8Bit(), baselineBaseName, generatedFile});
+    }
 }
 
 static const char helpFormat[] = R"(
@@ -171,22 +235,12 @@ void tst_uic::run_data() const
     QTest::addColumn<QString>("generatedFile");
     QTest::addColumn<QStringList>("options");
 
-    QDir generated(m_generated.path());
-    QDir baseline(m_baseline);
-    const QFileInfoList baselineFiles = baseline.entryInfoList(QStringList("*.ui"), QDir::Files);
-    foreach (const QFileInfo &baselineFile, baselineFiles) {
-        const QString generatedFile = generated.absolutePath()
-            + QLatin1Char('/') + baselineFile.fileName()
-            + QLatin1String(".h");
-
+    for (const TestEntry &te : m_testEntries) {
         QStringList options;
-        if (baselineFile.fileName() == QLatin1String("qttrid.ui"))
+        if (te.name == QByteArrayLiteral("qttrid"))
             options << QStringList(QLatin1String("-idbased"));
-
-        QTest::newRow(qPrintable(baselineFile.baseName()))
-            << baselineFile.absoluteFilePath()
-            << generatedFile
-            << options;
+        QTest::newRow(te.name.constData()) << (te.baselineBaseName + QLatin1String(".ui"))
+            << te.generatedFileName << options;
     }
 }
 
@@ -264,15 +318,9 @@ void tst_uic::compare_data() const
     QTest::addColumn<QString>("originalFile");
     QTest::addColumn<QString>("generatedFile");
 
-    QDir generated(m_generated.path());
-    QDir baseline(m_baseline);
-    const QFileInfoList baselineFiles = baseline.entryInfoList(QStringList("*.h"), QDir::Files);
-    foreach (const QFileInfo &baselineFile, baselineFiles) {
-        const QString generatedFile = generated.absolutePath()
-                + QLatin1Char('/') + baselineFile.fileName();
-        QTest::newRow(qPrintable(baselineFile.baseName()))
-            << baselineFile.absoluteFilePath()
-            << generatedFile;
+    for (const TestEntry &te : m_testEntries) {
+        QTest::newRow(te.name.constData()) << (te.baselineBaseName + QLatin1String(".ui.h"))
+            << te.generatedFileName;
     }
 }
 
@@ -280,7 +328,7 @@ void tst_uic::runTranslation()
 {
     QProcess process;
 
-    QDir baseline(m_baseline);
+    const QDir baseline(m_baseline);
 
     QDir generated(m_generated.path());
     generated.mkdir(QLatin1String("translation"));
@@ -327,5 +375,75 @@ void tst_uic::runCompare()
     QCOMPARE(generatedFileContents, originalFileContents);
 }
 
+// Let uic generate Python code and verify that it is syntactically
+// correct by compiling it into .pyc. This test is executed only
+// when python with an installed Qt for Python is detected (see locatePython()).
+
+static inline QByteArray msgCompilePythonFailed(const QByteArray &error)
+{
+    // If there is a line with blanks and caret indicating an error in the line
+    // above, insert the cursor into the offending line and remove the caret.
+    QByteArrayList lines = error.trimmed().split('\n');
+    for (int i = lines.size() -  1; i > 0; --i) {
+        const auto &line = lines.at(i);
+        const int caret = line.indexOf('^');
+        if (caret == 0 || (caret > 0 && line.at(caret - 1) == ' ')) {
+            lines.removeAt(i);
+            lines[i - 1].insert(caret, '|');
+            break;
+        }
+    }
+    return lines.join('\n');
+}
+
+void tst_uic::python_data() const
+{
+    QTest::addColumn<QString>("originalFile");
+    QTest::addColumn<QString>("generatedFile");
+
+    const int size = m_python.isEmpty()
+        ? qMin(1, m_testEntries.size()) : m_testEntries.size();
+    for (int i = 0; i < size; ++i) {
+        const TestEntry &te = m_testEntries.at(i);
+        // qprintsettingsoutput: variable named 'from' clashes with Python
+        if (!te.baselineBaseName.endsWith(QLatin1String("/qprintsettingsoutput"))) {
+            QString generatedFile = te.generatedFileName;
+            generatedFile.chop(1); // foo.h -> foo.py
+            generatedFile.append(QLatin1String("py"));
+            QTest::newRow(te.name.constData())
+                << (te.baselineBaseName + QLatin1String(".ui"))
+                << generatedFile;
+        }
+    }
+}
+
+void tst_uic::python()
+{
+    QFETCH(QString, originalFile);
+    QFETCH(QString, generatedFile);
+    if (m_python.isEmpty())
+        QSKIP("Python was not found");
+
+    QStringList uicArguments{QLatin1String("-g"), QLatin1String("python"),
+        originalFile, QLatin1String("-o"), generatedFile};
+    QProcess process;
+    process.setWorkingDirectory(m_generated.path());
+    process.start(m_command, uicArguments);
+    QVERIFY2(process.waitForStarted(), msgProcessStartFailed(m_command, process.errorString()));
+    QVERIFY(process.waitForFinished());
+    QCOMPARE(process.exitStatus(), QProcess::NormalExit);
+    QCOMPARE(process.exitCode(), 0);
+    QVERIFY(QFileInfo::exists(generatedFile));
+
+    // Test Python code generation by compiling the file
+    QStringList compileArguments{QLatin1String("-m"), QLatin1String("py_compile"), generatedFile};
+    process.start(m_python, compileArguments);
+    QVERIFY2(process.waitForStarted(), msgProcessStartFailed(m_command, process.errorString()));
+    QVERIFY(process.waitForFinished());
+    const bool compiled = process.exitStatus() == QProcess::NormalExit
+        && process.exitCode() == 0;
+    QVERIFY2(compiled, msgCompilePythonFailed(process.readAllStandardError()).constData());
+}
+
 QTEST_MAIN(tst_uic)
 #include "tst_uic.moc"
diff --git a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
index 0ac8ccdbe7..9e30f17fa9 100644
--- a/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
+++ b/tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
@@ -2418,8 +2418,8 @@ void tst_QWidget::showMinimizedKeepsFocus()
 {
     if (m_platform == QStringLiteral("xcb"))
         QSKIP("QTBUG-26424");
-    if (m_platform == QStringLiteral("wayland"))
-        QSKIP("Wayland: This fails. Figure out why.");
+    if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation))
+        QSKIP("Window activation is not supported.");
     if (m_platform == QStringLiteral("offscreen"))
         QSKIP("Platform offscreen does not support showMinimized()");
 
@@ -2625,8 +2625,8 @@ void tst_QWidget::icon()
 
 void tst_QWidget::hideWhenFocusWidgetIsChild()
 {
-    if (m_platform == QStringLiteral("wayland"))
-        QSKIP("Wayland: This fails. Figure out why.");
+    if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation))
+        QSKIP("Window activation is not supported.");
 
     QScopedPointer<QWidget> testWidget(new QWidget);
     testWidget->setWindowTitle(__FUNCTION__);
@@ -5433,8 +5433,8 @@ void tst_QWidget::multipleToplevelFocusCheck()
     QSKIP("QTBUG-52974");
 #endif
 
-    if (m_platform == QStringLiteral("wayland"))
-        QSKIP("Wayland: This fails. Figure out why.");
+    if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation))
+        QSKIP("Window activation is not supported");
     else if (m_platform == QStringLiteral("winrt"))
         QSKIP("Winrt: Sometimes crashes in QTextLayout. - QTBUG-68297");
     TopLevelFocusCheck w1;
@@ -9535,8 +9535,8 @@ void tst_QWidget::setGraphicsEffect()
 
 void tst_QWidget::activateWindow()
 {
-    if (m_platform == QStringLiteral("wayland"))
-        QSKIP("Wayland: This fails. Figure out why.");
+    if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation))
+        QSKIP("Window activation is not supported.");
 
     // Test case for QTBUG-26711
 
@@ -9603,8 +9603,8 @@ void tst_QWidget::openModal_taskQTBUG_5804()
 
 void tst_QWidget::focusProxyAndInputMethods()
 {
-    if (m_platform == QStringLiteral("wayland"))
-        QSKIP("Wayland: This fails. Figure out why.");
+    if (!QGuiApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::WindowActivation))
+        QSKIP("Window activation is not supported.");
     QScopedPointer<QWidget> toplevel(new QWidget(0, Qt::X11BypassWindowManagerHint));
     toplevel->resize(200, 200);
     toplevel->setAttribute(Qt::WA_InputMethodEnabled, true);