Merge remote-tracking branch 'origin/5.15' into dev

 Conflicts:
	src/corelib/io/qsettings.cpp
	src/corelib/kernel/qvariant.cpp
	src/corelib/serialization/qjsoncbor.cpp
	src/corelib/serialization/qjsonvalue.cpp
	src/corelib/tools/tools.pri
	src/gui/image/qimage.cpp
	src/gui/kernel/qguivariant.cpp
	src/widgets/kernel/qshortcut.cpp
	tests/auto/tools/moc/allmocs_baseline_in.json
	tests/auto/tools/moc/tst_moc.cpp
        src/opengl/qglframebufferobject.cpp

Done-With: Edward Welbourne <edward.welbourne@qt.io>
Done-With: Leander Beernaert <leander.beernaert@qt.io>
Change-Id: Ie7f5fa646c607fe70c314bf7195f7578ded1d271

4 files changed, 8 insertions, 7 deletions

diff --git a/src/platformsupport/accessibility/qaccessiblebridgeutils.cpp b/src/platformsupport/accessibility/qaccessiblebridgeutils.cpp
index f280e65c29..a15b93e31e 100644
--- a/src/platformsupport/accessibility/qaccessiblebridgeutils.cpp
+++ b/src/platformsupport/accessibility/qaccessiblebridgeutils.cpp
@@ -93,7 +93,7 @@ bool performEffectiveAction(QAccessibleInterface *iface, const QString &actionNa
         if (!success)
             return false;
         stepSize = (max - min) / 10;  // this is pretty arbitrary, we just need to provide something
-        const int typ = currentVariant.type();
+        const int typ = currentVariant.userType();
         if (typ != QMetaType::Float && typ != QMetaType::Double) {
             // currentValue is an integer. Round it up to ensure stepping in case it was below 1
             stepSize = qCeil(stepSize);
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
index 7af5490963..af49ad6407 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
@@ -56,6 +56,8 @@
 
 #include <QtGui/qguiapplication.h>
 
+#include <QtCore/private/qduplicatetracker_p.h>
+
 #include <fontconfig/fontconfig.h>
 #if FC_VERSION >= 20402
 #include <fontconfig/fcfreetype.h>
@@ -778,9 +780,9 @@ QStringList QFontconfigDatabase::fallbacksForFamily(const QString &family, QFont
     FcPatternDestroy(pattern);
 
     if (fontSet) {
-        QSet<QString> duplicates;
+        QDuplicateTracker<QString> duplicates;
         duplicates.reserve(fontSet->nfont + 1);
-        duplicates.insert(family.toCaseFolded());
+        (void)duplicates.hasSeen(family.toCaseFolded());
         for (int i = 0; i < fontSet->nfont; i++) {
             FcChar8 *value = nullptr;
             if (FcPatternGetString(fontSet->fonts[i], FC_FAMILY, 0, &value) != FcResultMatch)
@@ -788,9 +790,8 @@ QStringList QFontconfigDatabase::fallbacksForFamily(const QString &family, QFont
             //         capitalize(value);
             const QString familyName = QString::fromUtf8((const char *)value);
             const QString familyNameCF = familyName.toCaseFolded();
-            if (!duplicates.contains(familyNameCF)) {
+            if (!duplicates.hasSeen(familyNameCF)) {
                 fallbackFamilies << familyName;
-                duplicates.insert(familyNameCF);
             }
         }
         FcFontSetDestroy(fontSet);
diff --git a/src/platformsupport/linuxaccessibility/atspiadaptor.cpp b/src/platformsupport/linuxaccessibility/atspiadaptor.cpp
index 0f34e1a4ca..012edc82e4 100644
--- a/src/platformsupport/linuxaccessibility/atspiadaptor.cpp
+++ b/src/platformsupport/linuxaccessibility/atspiadaptor.cpp
@@ -2250,7 +2250,7 @@ bool AtSpiAdaptor::valueInterface(QAccessibleInterface *interface, const QString
             qCDebug(lcAccessibilityAtspi) << "WARNING: AtSpiAdaptor::valueInterface does not implement " << function << message.path();
             return false;
         }
-        if (!value.canConvert(QVariant::Double)) {
+        if (!value.canConvert(QMetaType::Double)) {
             qCDebug(lcAccessibilityAtspi) << "AtSpiAdaptor::valueInterface: Could not convert to double: " << function;
         }
 
diff --git a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
index 70d5616075..36d9e4e065 100644
--- a/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
+++ b/src/platformsupport/themes/genericunix/qgenericunixthemes.cpp
@@ -517,7 +517,7 @@ QFont *QKdeThemePrivate::kdeFont(const QVariant &fontValue)
         // causing recursion.
         QString fontDescription;
         QString fontFamily;
-        if (fontValue.type() == QVariant::StringList) {
+        if (fontValue.userType() == QMetaType::QStringList) {
             const QStringList list = fontValue.toStringList();
             if (!list.isEmpty()) {
                 fontFamily = list.first();