Merge remote-tracking branch 'origin/5.12' into dev

Conflicts:
	src/corelib/io/qdir.cpp
	src/corelib/kernel/qtimer.cpp
	src/corelib/kernel/qtimer.h

Done-With: Edward Welbourne <edward.welbourne@qt.io>
Change-Id: I683d897760ec06593136d77955f8bc87fdef3f9f

.gitignore

@@ -98,7 +98,6 @@ qt*-config.pri
 /bin/qhelpgenerator
 /bin/qlalr
 /bin/qml
-/bin/qml1plugindump
 /bin/qmleasing
 /bin/qmlimportscanner
 /bin/qmljs

dist/changes-5.12.0

@@ -0,0 +1,468 @@
+Qt 5.12 introduces many new features and improvements as well as bugfixes
+over the 5.11.x series. For more details, refer to the online documentation
+included in this distribution. The documentation is also available online:
+
+https://doc.qt.io/qt-5/index.html
+
+The Qt version 5.12 series is binary compatible with the 5.11.x series.
+Applications compiled for 5.11 will continue to run with 5.12.
+
+Some of the changes listed in this file include issue tracking numbers
+corresponding to tasks in the Qt Bug Tracker:
+
+https://bugreports.qt.io/
+
+Each of these identifiers can be entered in the bug tracker to obtain more
+information about a particular change.
+
+****************************************************************************
+*                        Important Behavior Changes                        *
+****************************************************************************
+
+ - QtCore:
+   * [QTBUG-34460] qFatal() no longer uses std::abort() on Windows, as
+     there are circumstances where global destructors are still run after
+     that call, leading to possible deadlocks.
+ - QRegularExpression:
+   * [QTBUG-66781] Regular expressions are now automatically optimized
+     (including JIT compiling) on their first usage. The pattern options
+     OptimizeOnFirstUsageOption and DontAutomaticallyOptimizeOption no
+     longer have any effect, and will get removed in a future version of
+     Qt. QRegularExpression::optimize() can be still used to compile and
+     optimize the regular expression in advance (before any match), if
+     needed.
+ - QDataStream:
+   * [QTBUG-59978][QTBUG-67995] version bumped up to 18 to account for
+     changes in the serialization of QGradient.
+ - Dialogs:
+   * QFileSystemModel now uses QRegularExpression internally for wildcard
+     matching. Note that QRegularExpression might not give the exact same
+     result as QRegExp as its implementation follows strictly the glob
+     patterns definition for wildcard expressions.
+
+****************************************************************************
+*                             Third-Party Code                             *
+****************************************************************************
+
+ - Sources of xcb-xinput 1.13 were bundled and are available via -qt-xcb.
+ - The minimal required version of libxcb is now 1.9. Bundled xcb sources
+   were updated to libxcb 1.9.1 built with xcb-proto 1.8.
+ - [QTBUG-67654] Updated CLDR to version 33.1
+ - [QTBUG-66561][QTBUG-70008] double-conversion got updated to upstream
+   version 3.1.1.
+ - libjpeg-turbo was updated to version 2.0.0
+ - libpng was updated to version 1.6.35
+ - Sqlite was updated to version 3.25.2
+ - [QTBUG-71109] updated bundled libxkbcommon 0.4.1 -> 0.8.2 (up to
+   31f1f355700870c6615399fbfa7934934b3a9a57)
+ - PCRE2 was updated to version 10.32.
+ - Added documentation for the SLJIT part of pcre2, which is available
+   under the BSD-2-Clause license.
+
+****************************************************************************
+*                                  Tools                                   *
+****************************************************************************
+
+ - rcc:
+   * Added a --list-mapping option which shows a mapping of resource paths
+     to file system paths.
+
+ - qmake
+   * New CONFIG options lrelease and embed_translations were added.
+     CONFIG+=lrelease does run lrelease on translation files listed in
+     TRANSLATIONS and EXTRA_TRANSLATIONS. CONFIG+=embed_translations does
+     include the generated .qm files as resources under :/i18n/.
+
+ - uic
+   * [QTBUG-65251][QTBUG-51602] The -no-stringliteral option is now
+     deprecated and UIC will not generate QStringLiteral anymore.
+
+****************************************************************************
+*                                  QtCore                                  *
+****************************************************************************
+
+ - Added support for CBOR:
+   * Added QCborStreamReader and QCborStreamWriter, classes for low-level
+     reading and writing of CBOR streams.
+   * Added QCborValue, QCborArray and QCborMap, classes that permit DOM-like
+     access to CBOR data. The API is similar to QJsonValue, QJsonArray and
+     QJsonObject, respectively.
+
+ - QByteArray:
+   * Added QByteArray::isUpper() and QByteArray::isLower() to check if a
+     byte array contains only uppercase or only lowercase Latin1 letters.
+   * Added compare(), which takes Qt::CaseSensitivity as one of the
+     parameters. This function is more efficient than using toLower() or
+     toUpper() and then comparing.
+   * [QTBUG-66187] QByteArray::toInt(), QByteArray::toDouble() and the
+     other number conversion functions now ignore leading and trailing
+     whitespaces, as their QString counterparts already did. For
+     consistency reasons, the same behavior was added to
+     qEnvironmentVariableIntValue() also.
+
+ - QCommandLineParser:
+   * [QTBUG-70174] Fixed a bug that caused the help output to show two
+     options or more in the same line if the options didn't have a
+     description.
+
+ - QCryptographicHash:
+   * Add a static method, hashLength, which returns the length of the
+     output of a hash function in bytes.
+
+ - QDir:
+   * QDir now uses QRegularExpression internally for wildcard matching.
+     Note that QRegularExpression might not give the exact same result as
+     QRegExp as its implementation follows strictly the glob patterns
+     definition for wildcard expressions. Nevertheless, the tests for QDir
+     return the same results as before.
+   * QDir::tempPath() now reports the canonical path of the temporary
+     directory, with any symlinks resolved.
+   * On Windows, QDir::drives() no longer returns drives whose media were
+     ejected.
+
+ - QExplicitlySharedDataPointer:
+   * [QTBUG-66635][QTBUG-66946] Added operator== for nullptr.
+
+ - QFile:
+   * [QTBUG-13470] When opening a file, if Truncate is asked for, or
+     implied by other flags, it shall be attempted, regardless of what
+     other options are selected. We previously did this on Windows; now we
+     do so also on Unix (even when appending).
+
+ - QFileSystemWatcher:
+   * [QTBUG-69320] Fixed a bug that caused addPaths() to crash on Windows
+     if adding a path to be watched on removable storage, if that
+     addPaths() was called on a thread not created by QThread and no
+     QEventLoop has been created yet.
+
+ - QFlags's operator| for enum types in the Qt namespace are now declared
+   in the Qt namespace itself.
+
+ - QLocale:
+   * [QTBUG-57802] Added support for World and Europe as (numeric)
+     "country" codes ("territory" in CLDR terms), thereby enabling support
+     for Yiddish and Esperanto, among other locales using such codes.
+
+ - Logging:
+   * [QTBUG-69548] Qt will now accept qtlogging.ini files written by
+     QSettings.
+
+ - QMetaType can now register constructor for a set of dynamic types.
+
+ - QRegularExpression:
+   * Implemented support for wildcard patterns through a static method.
+   * QRegularExpression now provides anchoredPattern() which is a helper
+     function to build regular expressions used for exact matching.
+   * Implemented support for wildcard patterns. Warning: QRegularExpression
+     might not give the exact same result as QRegExp as its implementation
+     follows strictly the glob patterns definition for the wildcard
+     expressions.
+
+ - [QTBUG-62894] Introduced QScopeGuard.
+
+ - QSharedDataPointer:
+   * [QTBUG-66635][QTBUG-66946] Added operator== for nullptr.
+
+ - QSortFilterProxyModel:
+   * [QTBUG-46810] QSortFilterProxyModel now supports QRegularExpression.
+   * Setters of both the filterRegExp and filterRegularExpression
+     properties are now slots and can be used with the old as well as the
+     new syntax.
+
+ - QString:
+   * Added the functions QString::isUpper() and QString::isLower() to check
+     if a string contains only uppercase or only lowercase letters.
+
+ - QTextCodec:
+   * [QTBUG-56203] QTextCodec automatically deregisters on destruction now.
+
+ - QTimer:
+   * [QTBUG-69800] Fixed singleShot() methods that lacked proper "const"
+     qualification to QObject context receivers.
+   * Added QTimer::connectTo(), a shorthand way of connecting to the
+     timeout() signal.
+
+ - QTranslator:
+   * [QTBUG-31031] It is now possible to load qm files without any
+     translations. This is particularly useful for the language the
+     untranslated strings are written in; logic to load translations can
+     now handle the source language like all other languages.
+
+ - QUndoStack:
+   * [QTBUG-40040] Exposed canUndo, canRedo, undoText, redoText and clean as
+     Q_PROPERTYs.
+
+ - QUrl:
+   * Fixed a bug that caused QUrl::matches to incorrectly compare two URLs
+     with different hostnames or different usernames as equal, if certain
+     QUrl::RemoveXxx options were passed.
+
+ - other:
+   * Added an overload of q{To,From}{Big,Little}Endian that operates on a
+     memory region.
+   * Added the QT_TR_N_NOOP(), QT_TRANSLATE_N_NOOP(), and
+     QT_TRANSLATE_N_NOOP3() macros for numeral dependent delayed
+     translation.
+
+****************************************************************************
+*                                  QtGui                                   *
+****************************************************************************
+
+ - QBitmap:
+   * Added overloaded QBitmap::fromImage that takes QImage rvalue.
+
+ - QDocumentWriter:
+   * [QTBUG-63581] QDocumentWriter now supports table borders, table
+     alignment, table width, column widths, line height and image
+     resolution when exporting QTextDocuments to ODF files.
+
+ - QGradient:
+   * [QTBUG-59978][QTBUG-67995] Added ObjectMode coordinate mode.
+
+ - QGuiApplication:
+   * [QTBUG-26413] Fixed queryKeyboardModifiers() on macOS to actually return
+     the current modifier key state.
+
+ - QImage:
+   * [QTBUG-45858] QImage now supports 64bit image formats with 16 bits per
+     color channel, compatible with 16bpc PNG or RGBA16 OpenGL formats.
+
+ - QIntValidator:
+   * [QTBUG-59650] Input value with over the highest acceptable value, but
+     with no more digits than the maximum value, is now considered
+     intermediate.
+
+ - QOpenGLShader:
+   * [QTBUG-66074] QOpenGLShader has been fixed to expose geometry and
+     tessellation evaluation/control shaders with OpenGL ES 3.2.
+
+ - QPagedPaintDevice:
+   * The default constructor has been deprecated since that class is
+     not meant to be used standalone. The two public but internal
+     devicePageLayout() methods are now deprecated.
+
+ - QPainter:
+   * [QTBUG-67248] Fixed drawTiledPixmap() and texture-brush painting with
+     high-DPR images.
+   * QPainter::drawTiledPixmap() now tiles in the device independent
+     coordinate system.
+
+ - QPicture:
+   * [QTBUG-71208] Fixed a crash reading malformed picture file.
+
+ - QStandardItemModel:
+   * itemData does not return role 255 any more.
+
+ - QTextImageFormat:
+   * Added two new functions to the class: setQuality(int=100) and
+     quality(). They are currently used by QTextODFWriter to determine the
+     image type and quality when exporting images to ODT files.
+
+ - Text:
+   * [QTBUG-57479] Non-breaking spaces are now displayed as a degree symbol
+     when QTextOption::ShowTabsAndSpaces is used.
+   * [QTBUG-69085] Fixed position of text cursor set by clicking outside
+     the bounds of a text line that ends with a surrogate pair or ligature.
+   * [QTBUG-70293] Fixed a crash that can happen when calling a setter on a
+     QTextCursor after its QTextDocument has been deleted.
+
+****************************************************************************
+*                                QtNetwork                                 *
+****************************************************************************
+
+ - Added DTLS over UDP support.
+
+ - QPasswordDigestor:
+   * [QTBUG-30550] Added QPasswordDigestor
+
+ - QSslKey:
+   * [QTBUG-17718] The OpenSSL backend can now load encrypted PKCS#8
+     DER-encoded keys.
+   * [QTBUG-59068] Added support for PKCS#8-encoded keys in the generic SSL
+     back-end (used for SecureTransport on macOS and for WinRT). Note that
+     it does not support keys encrypted with a PKCS#12 algorithm.
+
+ - QSslSocket:
+   * Enabled ALPN (and thus HTTP/2 negotiation) in SecureTransport backend
+     (macOS).
+   * [QTBUG-69420] Implemented renegotiation for SecureTransport backend.
+
+ - SSL:
+   * The OpenSSL 1.1 backend also works with OpenSSL 1.1.1 (and thus can
+     negotiate TLS 1.3).
+   * [QTBUG-68156] OpenSSL >= 1.0 is now required to build Qt with OpenSSL
+     support.
+
+****************************************************************************
+*                                  QtSql                                   *
+****************************************************************************
+
+ - MySQL:
+   * Now supports MySQL versions >= 8.0.1.
+   * [QTBUG-57028] The TIME data type is now treated like a string-based
+     type in order to respect the full range of the TIME data type.
+
+****************************************************************************
+*                                  QtTest                                  *
+****************************************************************************
+
+ - QCOMPARE:
+   * Now outputs contents of std::tuple on failure.
+   * [QTBUG-65845] QtTest now prints values of QFlags that failed to compare.
+
+****************************************************************************
+*                                QtWidgets                                 *
+****************************************************************************
+
+ - Itemviews:
+   * [QTBUG-12129][QTBUG-14949][QTBUG-57891] Fixed eliding of multi-line
+     items.
+
+ - QAbstractSpinBox:
+   * [QTBUG-67380] The Qt::ControlModifier now increases the number of steps a
+     QAbstractSpinBox takes for the following interactions: scrolling, up/down
+     keyboard keys and the spin box buttons. Previously, Qt::ControlModifier
+     only affected scrolling.
+
+ - QApplication:
+   * [QTBUG-67736] QApplication no longer sends a mouse move event to the
+     entered widget if it sends synthetic enter and leave events.
+
+ - QHeaderView:
+   * [QTBUG-23203] Padding/margin is now taken into account when the text gets
+     elided.
+   * [QTBUG-59501] The qss padding attribute is now honored in all cases.
+   * [QTBUG-62091] The size of the decoration is now taken into account in
+     paintSection().
+   * [QTBUG-65017] The drag'n'drop indicator is now using the correct font.
+   * [QTBUG-69431] setDefaultSectionSize() now checks if the given value is
+     inside min/max section size.
+   * [QTBUG-70084] The section indicator is now high-DPI-aware.
+
+ - QItemDelegate:
+   * [QTBUG-16134] Fixed text height calculation when the item has a
+     decoration or checkbox.
+
+ - QLineEdit:
+   * [QTBUG-44046] The textEdited() signal is now emitted even if the
+     QValidator has changed the user input.
+   * [QTBUG-57448] Added inputRejected() signal for when a key press is not
+     accepted by the QLineEdit. For instance, when an invalid key is
+     pressed for a validator set.
+
+ - QListView:
+   * [QTBUG-27110] The pseudo states :first/:middle/:last are now respected.
+   * [QTBUG-56606] Added itemAlignment property.
+   * [QTBUG-67440] Fixed a bug that caused items on internal move to be
+     deleted.
+
+ - QMenu:
+   * [QTBUG-69199] Removed icon highlight when a stylesheet was applied by
+     the application.
+
+ - QMessageBox:
+   * [QTBUG-35545] On Android and iOS it's now possible to show a
+     QMessageBox with custom buttons as a native dialog.
+
+ - QSpinBox/QDoubleSpinBox:
+   * Added an option for adaptive decimal step size.
+
+ - QSplashScreen:
+  * [QTBUG-43081] The alignment when the message is passed as HTML is now
+    correctly honored.
+
+ - QStyle:
+   * QStyle::SH_SpinBox_StepModifier allows the developer to pick which
+     keyboard modifier increases the number of steps a QAbstractSpinBox
+     takes for the following interactions: scrolling, up/down keyboard keys
+     and the spin box buttons. The Qt::ShiftModifier can now be used, or
+     the feature can be disabled using Qt::NoModifier. Previously, only
+     Qt::ControlModifier could be used as the modifier.
+
+ - QTabBar:
+   * [QTBUG-18146] Fixed mixed up CSS pseudo class for left and right.
+
+ - QTableView:
+   * [QTBUG-48244][QTBUG-49548] Fixed calculating geometries for editors.
+   * [QTBUG-70215] Fixed PageUp not getting to top when first row is hidden.
+
+ - QTableWidget:
+   * Fixed handling of Qt::EditRole and Qt::DisplayRole in setItemData().
+
+ - QTreeView:
+   * [QTBUG-39486] Sped up expanding items when pressing asterisk.
+
+ - QWidget:
+   * [QTBUG-68393][QTBUG-69619][QTBUG-10907] Fixed several bugs that
+     incorrectly reordered tabs for compound widgets under some special
+     circumstances.
+   * [QTBUG-65199] enterEvent() and leaveEvent() now occur when a hovering
+     drawing tablet stylus enters or leaves a widget.
+   * Added the Qt::WA_StyleSheetTarget attribute to indicate that a widget
+     was affected by a style sheet.
+
+****************************************************************************
+*                                 Android                                  *
+****************************************************************************
+
+ - Added Android edit context menu.
+ - Removed old debugging bridge. To be able to debug Qt on Android apps the
+   user must use QtCreator 4.6.1+.
+ - [QTBUG-63735] The system no longer restarts the application when the user
+   replaces SIM card or changes the logical density of the screen.
+ - [QTBUG-70280] ARM64 builds now default to android-21 instead of failing.
+ - [QTBUG-35545] QMessageBox now supports buttons with custom labels.
+
+****************************************************************************
+*                                  Linux                                   *
+****************************************************************************
+
+ - QFileDialog will use the native dialogs provided by the platform theme
+   instead of trying to use Flatpak portal to select directories.
+
+****************************************************************************
+*                                  macOS                                   *
+****************************************************************************
+
+ - QtGui:
+   * [QTBUG-63800] Fixed display of condensed fonts when NoFontMerging is
+     in use.
+
+ - Text:
+   * [QTBUG-69955] Fixed font weights on macOS 10.14.
+
+****************************************************************************
+*                                 Windows                                  *
+****************************************************************************
+
+ - [QTBUG-55762] The dimensions of invisible margins inside the frames of
+   Windows 10 windows will now be disregarded in the positioning of Qt
+   windows to avoid a misplaced look (offset by a few pixels from the
+   expected position).
+ - [QTBUG-44964][QTBUG-60437] The application attributes
+   AA_CompressTabletEvents and AA_CompressHighFrequencyEvents are now
+   supported on Windows 8 and above for touch/pen input, with the same
+   defaults as on X11 (compress touch events, don't compress tablet events)
+
+ - QTimeZone:
+   * [QTBUG-42021] Changed MS-Win to use ICU for time-zone data, when
+     available, in preference to MS's TZ APIs. The choice is made when
+     building Qt. This will give reliable results when non-DST transitions
+     arise, or when a zone's DST is not simple (e.g. interrupted by
+     Ramadan).
+
+****************************************************************************
+*                                  winrt                                   *
+****************************************************************************
+
+ - Added support to Windows UI Automation to the WinRT QPA, allowing
+   Qt-based UWP applications to operate with accessibility and
+   programmatic UI control tools.
+
+****************************************************************************
+*                                   X11                                    *
+****************************************************************************
+
+ - [QTBUG-39624] The xcb plugin was ported to use libxcb-xinput instead of
+   libXi for XInput2 support. The -xinput2 configure option was replaced by
+   -xcb-xinput.

examples/gui/openglwindow/openglwindow.cpp

@@ -88,7 +88,8 @@ void OpenGLWindow::render()
 
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 
-    m_device->setSize(size());
+    m_device->setSize(size() * devicePixelRatio());
+    m_device->setDevicePixelRatio(devicePixelRatio());
 
     QPainter painter(m_device);
     render(&painter);

mkspecs/android-clang/qmake.conf

@@ -41,6 +41,8 @@ ANDROID_SOURCES_CXX_STL_LIBDIR = $$NDK_ROOT/sources/cxx-stl/llvm-libc++/libs/$$A
 
 ANDROID_STDCPP_PATH = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++_shared.so
 
+ANDROID_USE_LLVM = true
+
 exists($$ANDROID_SOURCES_CXX_STL_LIBDIR/libc++.so): \
     ANDROID_CXX_STL_LIBS = -lc++
 else: \

mkspecs/android-g++/qmake.conf

@@ -16,6 +16,7 @@ QMAKE_LINK              = $$QMAKE_CXX
 ANDROID_SOURCES_CXX_STL_LIBDIR = $$NDK_ROOT/sources/cxx-stl/gnu-libstdc++/$$NDK_TOOLCHAIN_VERSION/libs/$$ANDROID_TARGET_ARCH
 ANDROID_STDCPP_PATH            = $$ANDROID_SOURCES_CXX_STL_LIBDIR/libgnustl_shared.so
 ANDROID_CXX_STL_LIBS           = -lgnustl_shared -lgcc
+ANDROID_USE_LLVM               = false
 
 exists($$NDK_ROOT/sysroot/usr/include): \
         QMAKE_CFLAGS += --sysroot=$$NDK_ROOT/sysroot \

mkspecs/features/android/android_deployment_settings.prf

@@ -17,17 +17,22 @@ contains(TEMPLATE, ".*app"):!build_pass:!android-embedded {
     isEmpty(NDK_ROOT): NDK_ROOT = $$DEFAULT_ANDROID_NDK_ROOT
     FILE_CONTENT += "   \"ndk\": $$emitString($$NDK_ROOT),"
 
-    NDK_TOOLCHAIN_PREFIX = $$(ANDROID_NDK_TOOLCHAIN_PREFIX)
-    isEmpty(NDK_TOOLCHAIN_PREFIX) {
-        equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLCHAIN_PREFIX = x86
-        else: equals(ANDROID_TARGET_ARCH, x86_64): NDK_TOOLCHAIN_PREFIX = x86_64
-        else: equals(ANDROID_TARGET_ARCH, mips): NDK_TOOLCHAIN_PREFIX = mipsel-linux-android
-        else: equals(ANDROID_TARGET_ARCH, mips64): NDK_TOOLCHAIN_PREFIX = mips64el-linux-android
-        else: equals(ANDROID_TARGET_ARCH, arm64-v8a): NDK_TOOLCHAIN_PREFIX = aarch64-linux-android
-        else: NDK_TOOLCHAIN_PREFIX = arm-linux-androideabi
+    equals(ANDROID_USE_LLVM, true) {
+        FILE_CONTENT += "   \"toolchain-prefix\": \"llvm\","
+        FILE_CONTENT += "   \"tool-prefix\": \"llvm\","
+    } else {
+        NDK_TOOLCHAIN_PREFIX = $$(ANDROID_NDK_TOOLCHAIN_PREFIX)
+        isEmpty(NDK_TOOLCHAIN_PREFIX) {
+            equals(ANDROID_TARGET_ARCH, x86): NDK_TOOLCHAIN_PREFIX = x86
+            else: equals(ANDROID_TARGET_ARCH, x86_64): NDK_TOOLCHAIN_PREFIX = x86_64
+            else: equals(ANDROID_TARGET_ARCH, mips): NDK_TOOLCHAIN_PREFIX = mipsel-linux-android
+            else: equals(ANDROID_TARGET_ARCH, mips64): NDK_TOOLCHAIN_PREFIX = mips64el-linux-android
+            else: equals(ANDROID_TARGET_ARCH, arm64-v8a): NDK_TOOLCHAIN_PREFIX = aarch64-linux-android
+            else: NDK_TOOLCHAIN_PREFIX = arm-linux-androideabi
+        }
+        FILE_CONTENT += "   \"toolchain-prefix\": $$emitString($$NDK_TOOLCHAIN_PREFIX),"
+        FILE_CONTENT += "   \"tool-prefix\": $$emitString($$NDK_TOOLS_PREFIX),"
     }
-    FILE_CONTENT += "   \"toolchain-prefix\": $$emitString($$NDK_TOOLCHAIN_PREFIX),"
-    FILE_CONTENT += "   \"tool-prefix\": $$emitString($$NDK_TOOLS_PREFIX),"
 
     NDK_TOOLCHAIN_VERSION = $$(ANDROID_NDK_TOOLCHAIN_VERSION)
     isEmpty(NDK_TOOLCHAIN_VERSION): NDK_TOOLCHAIN_VERSION = $$DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION
@@ -63,6 +68,7 @@ contains(TEMPLATE, ".*app"):!build_pass:!android-embedded {
         QML_ROOT_PATH = $$_PRO_FILE_PWD_
     FILE_CONTENT += "   \"qml-root-path\": $$emitString($$QML_ROOT_PATH),"
     FILE_CONTENT += "   \"stdcpp-path\": $$emitString($$ANDROID_STDCPP_PATH),"
+    FILE_CONTENT += "   \"useLLVM\": $$ANDROID_USE_LLVM,"
 
     FILE_CONTENT += "   \"application-binary\": $$emitString($$absolute_path($$DESTDIR, $$OUT_PWD)/$$TARGET)"
     FILE_CONTENT += "}"

mkspecs/features/mac/default_post.prf

@@ -259,3 +259,10 @@ isEmpty(xcode_product_bundle_target): \
     xcode_product_bundle_target = ${PRODUCT_NAME:rfc1034identifier}
 xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identifier_setting.value}.$${xcode_product_bundle_target}"
 QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting
+
+!macx-xcode {
+    generate_xcode_project.commands = @$(QMAKE) -spec macx-xcode $(EXPORT__PRO_FILE_)
+    generate_xcode_project.target = xcodeproj
+    QMAKE_EXTRA_VARIABLES += _PRO_FILE_
+    QMAKE_EXTRA_TARGETS += generate_xcode_project
+}

mkspecs/features/qml1_module.prf

@@ -1,13 +0,0 @@
-#
-#  W A R N I N G
-#  -------------
-#
-# This file is not part of the Qt API.  It exists purely as an
-# implementation detail.  It may change from version to version
-# without notice, or even be removed.
-#
-# We mean it.
-#
-
-CONFIG += qml1_target
-load(qml_module)

mkspecs/features/qml1_plugin.prf

@@ -1,13 +0,0 @@
-#
-#  W A R N I N G
-#  -------------
-#
-# This file is not part of the Qt API.  It exists purely as an
-# implementation detail.  It may change from version to version
-# without notice, or even be removed.
-#
-# We mean it.
-#
-
-CONFIG += qml1_target
-load(qml_plugin)

mkspecs/features/qml_module.prf

@@ -23,15 +23,9 @@ for(qmlf, AUX_QML_FILES): fq_aux_qml_files += $$absolute_path($$qmlf, $$_PRO_FIL
 
 load(qt_build_paths)
 
-qml1_target {
-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
-    instbase = $$[QT_INSTALL_IMPORTS]
-} else {
-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
-    instbase = $$[QT_INSTALL_QML]
-}
+DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
 
-!qml1_target:static: \
+static: \
     CONFIG += builtin_resources
 else: \
     CONFIG += install_qml_files
@@ -52,7 +46,7 @@ qmldir.base = $$_PRO_FILE_PWD_
 # Tools need qmldir and plugins.qmltypes always installed on the file system
 qmldir.files = $$qmldir_file $$fq_aux_qml_files
 install_qml_files: qmldir.files += $$fq_qml_files
-qmldir.path = $$instbase/$$TARGETPATH
+qmldir.path = $$[QT_INSTALL_QML]/$$TARGETPATH
 INSTALLS += qmldir
 
 !debug_and_release|!build_all|CONFIG(release, debug|release) {

mkspecs/features/qml_plugin.prf

@@ -48,15 +48,9 @@ exists($$QMLTYPEFILE): AUX_QML_FILES += $$QMLTYPEFILE
 
 load(qt_build_paths)
 
-qml1_target {
-    DESTDIR = $$MODULE_BASE_OUTDIR/imports/$$TARGETPATH
-    instbase = $$[QT_INSTALL_IMPORTS]
-} else {
-    DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
-    instbase = $$[QT_INSTALL_QML]
-}
+DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
 
-target.path = $$instbase/$$TARGETPATH
+target.path = $$[QT_INSTALL_QML]/$$TARGETPATH
 INSTALLS += target
 
 # Some final setup
@@ -75,20 +69,11 @@ load(qt_common)
 # directory.  Then review and commit the changes made to plugins.qmltypes.
 #
 !cross_compile {
-    qml1_target {
-        qmlplugindump = qml1plugindump
-        importpath.name = QML_IMPORT_PATH
-    } else {
-        qmlplugindump = qmlplugindump
-        importpath.name = QML2_IMPORT_PATH
-    }
+    qmlplugindump = qmlplugindump
+    importpath.name = QML2_IMPORT_PATH
     importpath.value =
     for(qmod, QTREPOS) {
-        qml1_target: \
-            qmod = $$qmod/imports
-        else: \
-            qmod = $$qmod/qml
-        exists($$qmod): importpath.value += $$shell_path($$qmod)
+        exists($$qmod/qml): importpath.value += $$shell_path($$qmod/qml)
     }
     importpath.value = $$unique(importpath.value)
     QT_TOOL_ENV = importpath

qmake/generators/makefile.cpp

@@ -1101,8 +1101,6 @@ QString
 MakefileGenerator::prlFileName(bool fixify)
 {
     QString ret = project->first("PRL_TARGET") + Option::prl_ext;
-    if(!project->isEmpty("QMAKE_BUNDLE"))
-        ret.prepend(project->first("QMAKE_BUNDLE") + Option::dir_sep);
     if(fixify) {
         if(!project->isEmpty("DESTDIR"))
             ret.prepend(project->first("DESTDIR").toQString());

qmake/generators/unix/unixmake2.cpp

@@ -1225,6 +1225,8 @@ void UnixMakefileGenerator::init2()
         else
             ar_cmd.append("$(AR) $(TARGETA) $(OBJECTS)");
         if (!project->isEmpty("QMAKE_BUNDLE")) {
+            project->values("PRL_TARGET").prepend(
+                    project->first("QMAKE_BUNDLE") + Option::dir_sep + project->first("TARGET"));
             ProString bundle_loc = project->first("QMAKE_BUNDLE_LOCATION");
             if(!bundle_loc.isEmpty() && !bundle_loc.startsWith("/"))
                 bundle_loc.prepend("/");

qmake/library/proitems.h

@@ -133,7 +133,7 @@ public:
     bool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(s, 0, cs) >= 0; }
     bool contains(const char *s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(QLatin1String(s), 0, cs) >= 0; }
     bool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(c, 0, cs) >= 0; }
-    int toLongLong(bool *ok = nullptr, int base = 10) const { return toQStringRef().toLongLong(ok, base); }
+    qlonglong toLongLong(bool *ok = nullptr, int base = 10) const { return toQStringRef().toLongLong(ok, base); }
     int toInt(bool *ok = nullptr, int base = 10) const { return toQStringRef().toInt(ok, base); }
     short toShort(bool *ok = nullptr, int base = 10) const { return toQStringRef().toShort(ok, base); }
 

src/3rdparty/angle/SYSTEMINFO_LICENSE

@@ -0,0 +1,22 @@
+Copyright (C) 2009 Apple Inc. All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

src/3rdparty/angle/TRACEEVENT_LICENSE

@@ -0,0 +1,27 @@
+Copyright 2013 The Chromium Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

src/3rdparty/libjpeg/qt_attribution.json

@@ -2,7 +2,7 @@
     "Id": "libjpeg",
     "Name": "LibJPEG-turbo",
     "QDocModule": "qtgui",
-    "QtUsage": "Used in the QJPEG image plugin. Configure with -no-jpeg to avoid.",
+    "QtUsage": "Used in the qjpeg image plugin. Configure with -system-libjpeg or -no-libjpeg to avoid.",
 
     "Description": "The Independent JPEG Group's JPEG software",
     "Homepage": "http://libjpeg-turbo.virtualgl.org/",

src/3rdparty/libpng/qt_attribution.json

@@ -2,7 +2,7 @@
     "Id": "libpng",
     "Name": "LibPNG",
     "QDocModule": "qtgui",
-    "QtUsage": "Used in the qpng image plugin. Configure with -system-png or -no-png to avoid.",
+    "QtUsage": "Used in the qpng image plugin. Configure with -system-libpng or -no-libpng to avoid.",
 
     "Description": "libpng is the official PNG reference library.",
     "Homepage": "http://www.libpng.org/pub/png/libpng.html",

src/3rdparty/sha3/BRG_ENDIAN_LICENSE

@@ -1,21 +1,14 @@
-Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
-
-LICENSE TERMS
+Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved.
 
 The redistribution and use of this software (with or without changes)
 is allowed without the payment of fees or royalties provided that:
 
- 1. source code distributions include the above copyright notice, this
-    list of conditions and the following disclaimer;
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
 
- 2. binary distributions include the above copyright notice, this list
-    of conditions and the following disclaimer in their documentation;
-
- 3. the name of the copyright holder is not used to endorse products
-    built using this software without specific written permission.
-
-DISCLAIMER
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
 
 This software is provided 'as is' with no explicit or implied warranties
-in respect of its properties, including, but not limited to, correctness
-and/or fitness for purpose.
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.

src/3rdparty/sha3/brg_endian.h

@@ -1,29 +1,22 @@
 /*
- ---------------------------------------------------------------------------
- Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
+---------------------------------------------------------------------------
+Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved.
 
- LICENSE TERMS
+The redistribution and use of this software (with or without changes)
+is allowed without the payment of fees or royalties provided that:
 
- The redistribution and use of this software (with or without changes)
- is allowed without the payment of fees or royalties provided that:
+  source code distributions include the above copyright notice, this
+  list of conditions and the following disclaimer;
 
-  1. source code distributions include the above copyright notice, this
-     list of conditions and the following disclaimer;
+  binary distributions include the above copyright notice, this list
+  of conditions and the following disclaimer in their documentation.
 
-  2. binary distributions include the above copyright notice, this list
-     of conditions and the following disclaimer in their documentation;
-
-  3. the name of the copyright holder is not used to endorse products
-     built using this software without specific written permission.
-
- DISCLAIMER
-
- This software is provided 'as is' with no explicit or implied warranties
- in respect of its properties, including, but not limited to, correctness
- and/or fitness for purpose.
- ---------------------------------------------------------------------------
- Issue Date: 20/12/2007
- Changes for ARM 9/9/2010
+This software is provided 'as is' with no explicit or implied warranties
+in respect of its operation, including, but not limited to, correctness
+and fitness for purpose.
+---------------------------------------------------------------------------
+Issue Date: 20/12/2007
+Changes for ARM 9/9/2010 [Downstream relative to Gladman's GitHub, upstream to Qt]
 */
 
 #ifndef _BRG_ENDIAN_H
@@ -32,7 +25,12 @@
 #define IS_BIG_ENDIAN      4321 /* byte 0 is most significant (mc68k) */
 #define IS_LITTLE_ENDIAN   1234 /* byte 0 is least significant (i386) */
 
-#if 0
+/* This is needed when using clang with MSVC to avoid including */
+/* endian.h and byteswap.h which are not present on Windows     */
+#if defined( _MSC_VER ) && defined( __clang__ )
+#  undef __GNUC__
+#endif
+
 /* Include files where endian defines and byteswap functions may reside */
 #if defined( __sun )
 #  include <sys/isa_defs.h>
@@ -42,14 +40,13 @@
       defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ )
 #  include <machine/endian.h>
 #elif defined( __linux__ ) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ )
-#  if !defined( __MINGW32__ ) && !defined( _AIX )
+#  if !defined( __MINGW32__ ) && !defined( _AIX ) && !defined(Q_OS_QNX)
 #    include <endian.h>
 #    if !defined( __BEOS__ )
 #      include <byteswap.h>
 #    endif
 #  endif
 #endif
-#endif
 
 /* Now attempt to set the define for platform byte order using any  */
 /* of the four forms SYMBOL, _SYMBOL, __SYMBOL & __SYMBOL__, which  */
@@ -134,7 +131,7 @@
 #elif 0     /* **** EDIT HERE IF NECESSARY **** */
 #  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
 #else
-#  error Please edit lines 132 or 134 in brg_endian.h to set the platform byte order
+#  error Please edit lines 129 or 131 in brg_endian.h to set the platform byte order
 #endif
 
 #endif

src/3rdparty/sha3/brg_endian.h.patch

@@ -0,0 +1,34 @@
+diff -ub /home/eddy/.sys/tmp/sha/brg_endian.h /home/eddy/work/Qt-5.12/qtbase/src/3rdparty/sha3/brg_endian.h
+--- upstream/sha/brg_endian.h	2018-10-22 16:27:04.106128670 +0200
++++ qtbase/src/3rdparty/sha3/brg_endian.h	2018-10-22 16:30:35.098891562 +0200
+@@ -16,6 +16,7 @@
+ and fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 20/12/2007
++Changes for ARM 9/9/2010 [Downstream relative to Gladman's GitHub, upstream to Qt]
+ */
+ 
+ #ifndef _BRG_ENDIAN_H
+@@ -119,12 +120,18 @@
+       defined( THINK_C ) || defined( __VMCMS__ ) || defined( _AIX )
+ #  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+ 
+-#elif 0     /* **** EDIT HERE IF NECESSARY **** */
++#elif defined(__arm__)
++# ifdef __BIG_ENDIAN
++#  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
++# else
++#  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
++# endif
++#elif 1     /* **** EDIT HERE IF NECESSARY **** */
+ #  define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
+ #elif 0     /* **** EDIT HERE IF NECESSARY **** */
+ #  define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
+ #else
+-#  error Please edit lines 126 or 128 in brg_endian.h to set the platform byte order
++#  error Please edit lines 129 or 131 in brg_endian.h to set the platform byte order
+ #endif
+ 
+ #endif
+
+Diff finished.  Mon Oct 22 16:31:46 2018

src/3rdparty/sha3/qt_attribution.json

@@ -4,13 +4,15 @@
         "Name": "Secure Hash Algorithm SHA-3 - brg_endian",
         "QDocModule": "qtcore",
         "QtUsage": "Used in Qt Core (QCryptographicHash).",
+        "Files": "apply brg_endian.h.patch to upstream from https://github.com/BrianGladman/sha/",
         "Files": "brg_endian.h",
 
         "Description": "SHA-3, originally known as Keccak, is a cryptographic hash function.",
-        "License": "BSD 3-clause \"New\" or \"Revised\" License",
+        "Version": "https://github.com/BrianGladman/sha/ commit 4b9e13ead2c5b5e41ca27c65de4dd69ae0bac228",
+        "License": "BSD 2-clause \"Simplified\" License",
         "LicenseFile": "BRG_ENDIAN_LICENSE",
-        "LicenseId": "BSD-3-Clause",
-        "Copyright": "Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved."
+        "LicenseId": "BSD-2-Clause",
+        "Copyright": "Copyright (c) 1998-2013, Brian Gladman, Worcester, UK. All rights reserved."
     },
     {
         "Id": "sha3_keccak",

src/3rdparty/wasm/qt_attribution.json

@@ -24,10 +24,11 @@
     "Description": "The DejaVu fonts are a font family based on the Vera Fonts.",
 
     "Homepage": "https://dejavu-fonts.github.io/",
+    "Version": "2.37",
     "License": "Bitstream Vera Font License",
     "LicenseFile": "DEJAVU-LICENSE",
-    "Copyright": "Copyright (C) 2003 Bitstream,Inc
+    "Copyright": "Copyright (c) 2003 by Bitstream, Inc
 Copyright (c) 2006 by Tavmjong Bah
 (c) American Mathematical Society"
 }
-]
+]

src/android/jar/src/org/qtproject/qt5/android/QtNative.java

@@ -177,6 +177,8 @@ public class QtNative
                         File f = new File(libName);
                         if (f.exists())
                             System.load(libName);
+                        else
+                            Log.i(QtTAG, "Can't find '" + libName + "'");
                     } catch (SecurityException e) {
                         Log.i(QtTAG, "Can't load '" + libName + "'", e);
                     } catch (Exception e) {

src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp

@@ -595,8 +595,7 @@ namespace QT_NAMESPACE {
 //! [43]
 class MyClass : public QObject
 {
-
-  private:
+private:
     Q_DISABLE_COPY(MyClass)
 };
 
@@ -605,22 +604,21 @@ class MyClass : public QObject
 //! [44]
 class MyClass : public QObject
 {
-
-  private:
-     MyClass(const MyClass &);
-     MyClass &operator=(const MyClass &);
+private:
+    MyClass(const MyClass &) = delete;
+    MyClass &operator=(const MyClass &) = delete;
 };
 //! [44]
 
 //! [45]
-  QWidget w = QWidget();
+QWidget w = QWidget();
 //! [45]
 
 //! [46]
-        // Instead of comparing with 0.0
-                qFuzzyCompare(0.0,1.0e-200); // This will return false
-        // Compare adding 1 to both values will fix the problem
-                qFuzzyCompare(1 + 0.0, 1 + 1.0e-200); // This will return true
+// Instead of comparing with 0.0
+qFuzzyCompare(0.0, 1.0e-200); // This will return false
+// Compare adding 1 to both values will fix the problem
+qFuzzyCompare(1 + 0.0, 1 + 1.0e-200); // This will return true
 //! [46]
 
 //! [47]

src/corelib/global/qconfig-bootstrapped.h

@@ -104,7 +104,6 @@
 #else
 # define QT_FEATURE_renameat2 -1
 #endif
-#define QT_FEATURE_settings -1
 #define QT_FEATURE_sharedmemory -1
 #define QT_FEATURE_slog2 -1
 #ifdef __GLIBC_PREREQ
@@ -127,11 +126,13 @@
 #define QT_FEATURE_commandlineparser -1
 #define QT_NO_COMPRESS
 #define QT_JSON_READONLY
+#define QT_FEATURE_settings 1
 #define QT_NO_STANDARDPATHS
 #define QT_FEATURE_textcodec -1
 #else
 #define QT_FEATURE_codecs -1
 #define QT_FEATURE_commandlineparser 1
+#define QT_FEATURE_settings -1
 #define QT_FEATURE_textcodec 1
 #endif
 

src/corelib/global/qglobal.cpp

@@ -3833,7 +3833,7 @@ bool qunsetenv(const char *varName)
     dependent delayed translation in the given \a context with the given
     \a comment.
     The \a context is typically a class and also needs to be specified
-    as a string literal. The string literal \a disambiguation should be
+    as a string literal. The string literal \a comment should be
     a short semantic tag to tell apart otherwise identical strings.
 
     The macro tells lupdate to collect the string, and expands to an

src/corelib/global/qglobalstatic.qdoc

@@ -435,6 +435,7 @@
 */
 
 /*!
+    \keyword qglobalstatic-operator-type-ptr
     \fn template <typename T, T *(&innerFunction)(), QBasicAtomicInt &guard> QGlobalStatic<T, innerFunction, guard>::operator Type*()
 
     This function returns the address of the contents of this global static. If
@@ -476,10 +477,11 @@
     by this function. If the contents have already been destroyed, this
     function will return a null pointer.
 
-    This function is equivalent to \l {operator Type *()}. It is provided for
-    compatibility with the private Q_GLOBAL_STATIC implementation that existed
-    in Qt 4.x and 5.0. New code should avoid using it and should instead treat
-    the object as a smart pointer.
+    This function is equivalent to \l {qglobalstatic-operator-type-ptr}
+    {operator Type *()}. It is provided for compatibility with the private
+    Q_GLOBAL_STATIC implementation that existed in Qt 4.x and 5.0. New code
+    should avoid using it and should instead treat the object as a smart
+    pointer.
 */
 
 /*!

src/corelib/global/qlibraryinfo.cpp

@@ -41,7 +41,9 @@
 #include "qdir.h"
 #include "qstringlist.h"
 #include "qfile.h"
+#if QT_CONFIG(settings)
 #include "qsettings.h"
+#endif
 #include "qlibraryinfo.h"
 #include "qscopedpointer.h"
 
@@ -67,7 +69,7 @@ QT_BEGIN_NAMESPACE
 
 extern void qDumpCPUFeatures(); // in qsimd.cpp
 
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
 
 struct QLibrarySettings
 {
@@ -204,7 +206,7 @@ QSettings *QLibraryInfoPrivate::findConfiguration()
     return 0;     //no luck
 }
 
-#endif // QT_NO_SETTINGS
+#endif // settings
 
 /*!
     \class QLibraryInfo
@@ -464,7 +466,7 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group)
 #endif // QT_BUILD_QMAKE, started inside location !
     QString ret;
     bool fromConf = false;
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
 #ifdef QT_BUILD_QMAKE
     // Logic for choosing the right data source: if EffectivePaths are requested
     // and qt.conf with that section is present, use it, otherwise fall back to
@@ -547,7 +549,7 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group)
             ret = QDir::fromNativeSeparators(ret);
         }
     }
-#endif // QT_NO_SETTINGS
+#endif // settings
 
 #ifndef QT_BUILD_QMAKE_BOOTSTRAP
     if (!fromConf) {
@@ -646,7 +648,7 @@ QLibraryInfo::rawLocation(LibraryLocation loc, PathGroup group)
 
 QStringList QLibraryInfo::platformPluginArguments(const QString &platformName)
 {
-#if !defined(QT_BUILD_QMAKE) && !defined(QT_NO_SETTINGS)
+#if !defined(QT_BUILD_QMAKE) && QT_CONFIG(settings)
     QScopedPointer<const QSettings> settings(QLibraryInfoPrivate::findConfiguration());
     if (!settings.isNull()) {
         const QString key = QLatin1String(platformsSection)
@@ -657,7 +659,7 @@ QStringList QLibraryInfo::platformPluginArguments(const QString &platformName)
     }
 #else
     Q_UNUSED(platformName);
-#endif // !QT_BUILD_QMAKE && !QT_NO_SETTINGS
+#endif // !QT_BUILD_QMAKE && settings
     return QStringList();
 }
 

src/corelib/global/qlogging.cpp

@@ -1885,7 +1885,7 @@ static void qt_message_fatal(QtMsgType, const QMessageLogContext &context, const
     // [support.start.term]). So we bypass std::abort() and directly
     // terminate the application.
 
-#  ifdef Q_CC_MSVC
+#  if defined(Q_CC_MSVC) && !defined(Q_CC_INTEL)
     if (IsProcessorFeaturePresent(PF_FASTFAIL_AVAILABLE))
         __fastfail(FAST_FAIL_FATAL_APP_EXIT);
 #  else

src/corelib/global/qnamespace.qdoc

@@ -3187,8 +3187,12 @@
 
     \value ScrollUpdate The scrolling distance has changed (default).
 
-    \value ScrollEnd Scrolling has ended, but the scrolling distance
+    \value ScrollEnd Scrolling has ended, and the scrolling distance
     did not change anymore.
+
+    \value ScrollMomentum The user no longer touches the input device,
+    but scrolling continues due to scroll momentum.
+    This value was introduced in Qt 5.12.
 */
 
 /*!

src/corelib/global/qnumeric_p.h

@@ -64,6 +64,10 @@
 #include <float.h>
 #endif
 
+# if defined(Q_OS_INTEGRITY) && defined(Q_PROCESSOR_ARM_64)
+#include <arm64_ghs.h>
+#endif
+
 #if !defined(Q_CC_MSVC) && (defined(Q_OS_QNX) || defined(Q_CC_INTEL))
 #  include <math.h>
 #  ifdef isnan
@@ -323,6 +327,38 @@ mul_overflow(T v1, T v2, T *r)
     return lr > std::numeric_limits<T>::max() || lr < std::numeric_limits<T>::min();
 }
 
+# if defined(Q_OS_INTEGRITY) && defined(Q_PROCESSOR_ARM_64)
+template <> inline bool mul_overflow(quint64 v1, quint64 v2, quint64 *r)
+{
+    *r = v1 * v2;
+    return __MULUH64(v1, v2);
+}
+template <> inline bool mul_overflow(qint64 v1, qint64 v2, qint64 *r)
+{
+    qint64 high = __MULSH64(v1, v2);
+    if (high == 0) {
+        *r = v1 * v2;
+        return *r < 0;
+    }
+    if (high == -1) {
+        *r = v1 * v2;
+        return *r >= 0;
+    }
+    return true;
+}
+
+template <> inline bool mul_overflow(uint64_t v1, uint64_t v2, uint64_t *r)
+{
+    return mul_overflow<quint64>(v1,v2,reinterpret_cast<quint64*>(r));
+}
+
+template <> inline bool mul_overflow(int64_t v1, int64_t v2, int64_t *r)
+{
+    return mul_overflow<qint64>(v1,v2,reinterpret_cast<qint64*>(r));
+}
+
+#endif
+
 #  if defined(Q_CC_MSVC) && defined(Q_PROCESSOR_X86)
 // We can use intrinsics for the unsigned operations with MSVC
 template <> inline bool add_overflow(unsigned v1, unsigned v2, unsigned *r)

src/corelib/global/qrandom.cpp

@@ -218,6 +218,7 @@ struct QRandomGenerator::SystemGenerator
 #endif // Q_OS_WINRT
 
     static SystemGenerator &self();
+    typedef quint32 result_type;
     void generate(quint32 *begin, quint32 *end) Q_DECL_NOEXCEPT_EXPR(FillBufferNoexcept);
 
     // For std::mersenne_twister_engine implementations that use something

src/corelib/io/io.pri

@@ -34,8 +34,6 @@ HEADERS +=  \
         io/qurlquery.h \
         io/qurltlds_p.h \
         io/qtldurl_p.h \
-        io/qsettings.h \
-        io/qsettings_p.h \
         io/qfsfileengine_p.h \
         io/qfsfileengine_iterator_p.h \
         io/qfilesystementry_p.h \
@@ -73,7 +71,6 @@ SOURCES += \
         io/qurlidna.cpp \
         io/qurlquery.cpp \
         io/qurlrecode.cpp \
-        io/qsettings.cpp \
         io/qfsfileengine.cpp \
         io/qfsfileengine_iterator.cpp \
         io/qfilesystementry.cpp \
@@ -121,6 +118,24 @@ qtConfig(processenvironment) {
         SOURCES += io/qprocess_unix.cpp
 }
 
+qtConfig(settings) {
+    SOURCES += \
+        io/qsettings.cpp
+    HEADERS += \
+        io/qsettings.h \
+        io/qsettings_p.h
+
+    win32 {
+        !winrt {
+            SOURCES += io/qsettings_win.cpp
+        } else {
+            SOURCES += io/qsettings_winrt.cpp
+        }
+    } else: darwin:!nacl {
+        SOURCES += io/qsettings_mac.cpp
+    }
+}
+
 win32 {
         SOURCES += io/qfsfileengine_win.cpp
         SOURCES += io/qlockfile_win.cpp
@@ -136,7 +151,6 @@ win32 {
             io/qwindowspipewriter_p.h
 
         SOURCES += \
-            io/qsettings_win.cpp \
             io/qstandardpaths_win.cpp \
             io/qstorageinfo_win.cpp \
             io/qwindowspipereader.cpp \
@@ -146,7 +160,6 @@ win32 {
     } else {
         SOURCES += \
                 io/qstandardpaths_winrt.cpp \
-                io/qsettings_winrt.cpp \
                 io/qstorageinfo_stub.cpp
     }
 } else:unix {
@@ -162,9 +175,6 @@ win32 {
                      ../3rdparty/forkfd/forkfd.h
             INCLUDEPATH += ../3rdparty/forkfd
         }
-        !nacl:mac: {
-            SOURCES += io/qsettings_mac.cpp
-        }
         mac {
             SOURCES += io/qstorageinfo_mac.cpp
             qtConfig(processenvironment): \

src/corelib/io/qdir.cpp

@@ -1040,7 +1040,8 @@ QStringList QDir::nameFilters() const
     list of filters specified by \a nameFilters.
 
     Each name filter is a wildcard (globbing) filter that understands
-    \c{*} and \c{?} wildcards. (See \l{Wildcard matching}.)
+    \c{*} and \c{?} wildcards. See \l{QRegularExpression#Wildcard matching}
+    {QRegularExpression Wildcard Matching}.
 
     For example, the following code sets three name filters on a QDir
     to ensure that only files with extensions typically used for C++
@@ -2120,8 +2121,8 @@ QString QDir::rootPath()
     patterns in the list of \a filters; otherwise returns \c false. The
     matching is case insensitive.
 
-    \sa {Wildcard matching}, QRegularExpression::wildcardToRegularExpression(),
-      entryList(), entryInfoList()
+    \sa {QRegularExpression#Wildcard matching}{QRegularExpression Wildcard Matching},
+        entryList(), entryInfoList()
 */
 bool QDir::match(const QStringList &filters, const QString &fileName)
 {
@@ -2143,8 +2144,8 @@ bool QDir::match(const QStringList &filters, const QString &fileName)
     contain multiple patterns separated by spaces or semicolons.
     The matching is case insensitive.
 
-    \sa {Wildcard matching}, QRegularExpression::wildcardToRegularExpression,
-      entryList(), entryInfoList()
+    \sa {QRegularExpression#Wildcard matching}{QRegularExpression Wildcard Matching},
+        entryList(), entryInfoList()
 */
 bool QDir::match(const QString &filter, const QString &fileName)
 {

src/corelib/io/qprocess.cpp

@@ -112,12 +112,12 @@ QT_BEGIN_NAMESPACE
     \relates QProcess
 
     Disables the
-    \l {QProcess::start(const QString &, OpenMode)}{QProcess::start()}
-    overload taking a single string.
+    \l {QProcess::start(const QString &, QIODevice::OpenMode)}
+    {QProcess::start}() overload taking a single string.
     In most cases where it is used, the user intends for the first argument
     to be treated atomically as per the other overload.
 
-    \sa QProcess::start(const QString &command, OpenMode mode)
+    \sa QProcess::start(const QString &command, QIODevice::OpenMode mode)
 */
 
 /*!
@@ -2557,7 +2557,7 @@ bool QProcess::startDetached(const QString &program,
     After the \a command string has been split and unquoted, this function
     behaves like the overload which takes the arguments as a string list.
 
-    \sa start(const QString &command, OpenMode mode)
+    \sa start(const QString &command, QIODevice::OpenMode mode)
 */
 bool QProcess::startDetached(const QString &command)
 {

src/corelib/io/qresource.cpp

@@ -1288,7 +1288,6 @@ bool QResourceFileEngine::close()
 {
     Q_D(QResourceFileEngine);
     d->offset = 0;
-    d->uncompressed.clear();
     return true;
 }
 
@@ -1503,14 +1502,25 @@ uchar *QResourceFileEnginePrivate::map(qint64 offset, qint64 size, QFile::Memory
 {
     Q_Q(QResourceFileEngine);
     Q_UNUSED(flags);
+
+    qint64 max = resource.size();
+    if (resource.isCompressed()) {
+        uncompress();
+        max = uncompressed.size();
+    }
+
     qint64 end;
     if (offset < 0 || size <= 0 || !resource.isValid() ||
-            add_overflow(offset, size, &end) || end > resource.size()) {
+            add_overflow(offset, size, &end) || end > max) {
         q->setError(QFile::UnspecifiedError, QString());
         return 0;
     }
-    uchar *address = const_cast<uchar *>(resource.data());
-    return (address + offset);
+
+    const uchar *address = resource.data();
+    if (resource.isCompressed())
+        address = reinterpret_cast<const uchar *>(uncompressed.constData());
+
+    return const_cast<uchar *>(address) + offset;
 }
 
 bool QResourceFileEnginePrivate::unmap(uchar *ptr)

src/corelib/io/qsettings.cpp

@@ -41,8 +41,6 @@
 #include "qplatformdefs.h"
 #include "qsettings.h"
 
-#ifndef QT_NO_SETTINGS
-
 #include "qsettings_p.h"
 #include "qcache.h"
 #include "qfile.h"
@@ -3617,5 +3615,3 @@ QT_END_NAMESPACE
 #ifndef QT_BOOTSTRAPPED
 #include "moc_qsettings.cpp"
 #endif
-
-#endif // QT_NO_SETTINGS

src/corelib/io/qsettings.h

@@ -45,10 +45,7 @@
 #include <QtCore/qstring.h>
 #include <QtCore/qscopedpointer.h>
 
-QT_BEGIN_NAMESPACE
-QT_END_NAMESPACE
-
-#ifndef QT_NO_SETTINGS
+QT_REQUIRE_CONFIG(settings);
 
 #include <ctype.h>
 
@@ -212,6 +209,4 @@ private:
 
 QT_END_NAMESPACE
 
-#endif // QT_NO_SETTINGS
-
 #endif // QSETTINGS_H

src/corelib/io/qsettings_mac.cpp

@@ -38,7 +38,6 @@
 ****************************************************************************/
 
 #include "qsettings.h"
-#ifndef QT_NO_SETTINGS
 
 #include "qsettings_p.h"
 #include "qdatetime.h"
@@ -664,4 +663,3 @@ bool QConfFileSettingsPrivate::writePlistFile(QIODevice &file, const ParsedSetti
 }
 
 QT_END_NAMESPACE
-#endif //QT_NO_SETTINGS

src/corelib/io/qsettings_win.cpp

@@ -39,8 +39,6 @@
 
 #include "qsettings.h"
 
-#ifndef QT_NO_SETTINGS
-
 #include "qsettings_p.h"
 #include "qvector.h"
 #include "qmap.h"
@@ -864,4 +862,3 @@ QSettingsPrivate *QSettingsPrivate::create(const QString &fileName, QSettings::F
 }
 
 QT_END_NAMESPACE
-#endif // QT_NO_SETTINGS

src/corelib/io/qsettings_winrt.cpp

@@ -39,8 +39,6 @@
 
 #include "qsettings.h"
 
-#ifndef QT_NO_SETTINGS
-
 #include "qsettings_p.h"
 #include "qvector.h"
 #include "qmap.h"
@@ -690,4 +688,3 @@ QSettingsPrivate *QSettingsPrivate::create(const QString &fileName, QSettings::F
 }
 
 QT_END_NAMESPACE
-#endif // QT_NO_SETTINGS

src/corelib/kernel/qcoreapplication_p.h

@@ -53,7 +53,9 @@
 
 #include "QtCore/qcoreapplication.h"
 #include "QtCore/qtranslator.h"
+#if QT_CONFIG(settings)
 #include "QtCore/qsettings.h"
+#endif
 #ifndef QT_NO_QOBJECT
 #include "private/qobject_p.h"
 #endif

src/corelib/kernel/qdeadlinetimer.cpp

@@ -720,6 +720,11 @@ QDeadlineTimer QDeadlineTimer::addNSecs(QDeadlineTimer dt, qint64 nsecs) Q_DECL_
   Returns the time remaining before the deadline.
  */
 
+/*!
+  \fn QPair<qint64, unsigned> QDeadlineTimer::_q_data() const
+  \internal
+*/
+
 // the rest of the functions are in qelapsedtimer_xxx.cpp
 
 QT_END_NAMESPACE

src/corelib/kernel/qeventdispatcher_cf.mm

@@ -58,7 +58,7 @@
 
 QT_USE_NAMESPACE
 
-/*!
+/*
     During scroll view panning, and possibly other gestures, UIKit will
     request a switch to UITrackingRunLoopMode via GSEventPushRunLoopMode,
     which records the new runloop mode and stops the current runloop.

src/corelib/kernel/qtimer.cpp

@@ -571,30 +571,43 @@ void QTimer::singleShot(int msec, Qt::TimerType timerType, const QObject *receiv
 */
 
 /*!
-    \fn template<typename Functor> QMetaObject::Connection callOnTimeout(Functor functor, Qt::ConnectionType connectionType = Qt::AutoConnection)
+    \fn template <typename Functor> QMetaObject::Connection QTimer::callOnTimeout(Functor slot, Qt::ConnectionType connectionType = Qt::AutoConnection)
     \since 5.12
     \overload
 
-    Creates a connection from the timeout() signal to \a functor, and returns a
+    Creates a connection from the timeout() signal to \a slot, and returns a
     handle to the connection.
 
     This method is provided for convenience.
-    It's equivalent to calling \c {QObject::connect(timer, &QTimer::timeout, timer, functor, connectionType)}.
+    It's equivalent to calling \c {QObject::connect(timer, &QTimer::timeout, timer, slot, connectionType)}.
 
     \sa QObject::connect(), timeout()
 */
 
 /*!
-    \fn template<typename Functor> QMetaObject::Connection callOnTimeout(QObject *context, Functor function, Qt::ConnectionType connectionType = Qt::AutoConnection)
+    \fn template <typename Functor> QMetaObject::Connection QTimer::callOnTimeout(const QObject *context, Functor slot, Qt::ConnectionType connectionType = Qt::AutoConnection)
     \since 5.12
     \overload callOnTimeout()
 
-    Creates a connection from the timeout() signal to \a function, which could be a pointer
-    to a member function of \a context, or it could be a functor to be placed in a specific
-    event loop of \a context. It returns a handle to the connection.
+    Creates a connection from the timeout() signal to \a slot to be placed in a specific
+    event loop of \a context, and returns a handle to the connection.
 
     This method is provided for convenience. It's equivalent to calling
-    \c {QObject::connect(timer, &QTimer::timeout, context, function, connectionType)}.
+    \c {QObject::connect(timer, &QTimer::timeout, context, slot, connectionType)}.
+
+    \sa QObject::connect(), timeout()
+*/
+
+/*!
+    \fn template <typename PointerToMemberFunction> QMetaObject::Connection QTimer::callOnTimeout(const QObject *receiver, PointerToMemberFunction slot, Qt::ConnectionType connectionType = Qt::AutoConnection)
+    \since 5.12
+    \overload callOnTimeout()
+
+    Creates a connection from the timeout() signal to the \a slot in the \a receiver object. Returns
+    a handle to the connection.
+
+    This method is provided for convenience. It's equivalent to calling
+    \c {QObject::connect(timer, &QTimer::timeout, receiver, slot, connectionType)}.
 
     \sa QObject::connect(), timeout()
 */

src/corelib/kernel/qtimer.h

@@ -100,6 +100,8 @@ public:
     QMetaObject::Connection callOnTimeout(Functor slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
     template <typename Functor>
     QMetaObject::Connection callOnTimeout(const QObject *context, Functor slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
+    template <typename PointerToMemberFunction>
+    QMetaObject::Connection callOnTimeout(const QObject *receiver, PointerToMemberFunction slot, Qt::ConnectionType connectionType = Qt::AutoConnection);
 #else
     // singleShot to a QObject slot
     template <typename Duration, typename Func1>

src/corelib/serialization/qcborstream.cpp

@@ -1438,12 +1438,14 @@ bool QCborStreamWriter::endMap()
  */
 
 /*!
-   \variable Container QCborStreamReader::StringResult::data
+   \variable QCborStreamReader::StringResult::data
+
    Contains the actual data from the string if \l status is \c Ok.
  */
 
 /*!
-   \variable QCborStreamReader::StringResultCode QCborStreamReader::StringResult::status
+   \variable QCborStreamReader::StringResult::status
+
    Contains the status of the attempt of reading the string from the stream.
  */
 

src/corelib/serialization/qcborvalue.cpp

@@ -222,7 +222,7 @@ QT_BEGIN_NAMESPACE
  */
 
 /*!
-    \variable qint64 QCborParserError::offset
+    \variable QCborParserError::offset
 
     This field contains the offset from the beginning of the data where the
     error was detected. The offset should point to the beginning of the item
@@ -233,7 +233,7 @@ QT_BEGIN_NAMESPACE
  */
 
 /*!
-    \variable QCborError QCborParserError::error
+    \variable QCborParserError::error
 
     This field contains the error code that indicates what decoding problem was
     found.

src/corelib/thread/qthread.cpp

@@ -298,12 +298,9 @@ QThreadPrivate::~QThreadPrivate()
     \warning The handle returned by this function is used for internal
     purposes and should not be used in any application code.
 
-    \warning On Windows, the returned value is a pseudo-handle for the
-    current thread. It can't be used for numerical comparison. i.e.,
-    this function returns the DWORD (Windows-Thread ID) returned by
-    the Win32 function getCurrentThreadId(), not the HANDLE
-    (Windows-Thread HANDLE) returned by the Win32 function
-    getCurrentThread().
+    \note On Windows, this function returns the DWORD (Windows-Thread
+    ID) returned by the Win32 function GetCurrentThreadId(), not the pseudo-HANDLE
+    (Windows-Thread HANDLE) returned by the Win32 function GetCurrentThread().
 */
 
 /*!

src/corelib/tools/qmap.cpp

@@ -537,7 +537,7 @@ void QMapDataBase::freeData(QMapDataBase *d)
     \sa operator=()
 */
 
-/*! \fn template <class Key, class T> QMap<Key, T>::QMap(const std::map<Key, T> & other)
+/*! \fn template <class Key, class T> QMap<Key, T>::QMap(const typename std::map<Key, T> & other)
 
     Constructs a copy of \a other.
 

src/corelib/tools/qregularexpression.cpp

@@ -2000,8 +2000,8 @@ QString QRegularExpression::wildcardToRegularExpression(const QString &pattern)
 
     \since 5.12
 
-    Returns the expression wrapped between the \c{\A} and \c{\z} anchors to be
-    used for exact matching.
+    Returns the \a expression wrapped between the \c{\A} and \c{\z} anchors to
+    be used for exact matching.
 
     \sa {Porting from QRegExp's Exact Matching}
 */

src/corelib/tools/qscopeguard.qdoc

@@ -30,24 +30,36 @@
 QT_BEGIN_NAMESPACE
 
 /*!
-    \fn const QScopeGuard<F> qScopeGuard(F f)
-    \inmodule QtCore
-    \brief The qScopeGuard function can be used to call a function at the end of the scope.
+    \class QScopeGuard
     \since 5.12
+    \inmodule QtCore
+    \brief Provides a scope guard for calling a function at the of
+           a scope.
+*/
+
+/*!
+    \fn template <typename F> const QScopeGuard<F> qScopeGuard(F f)
+    \inmodule QtCore
+    \relates QScopeGuard
+    \brief The qScopeGuard function can be used to call a function at the end
+           of the scope.
     \ingroup misc
 
-    QScopeGuard<F> is a class which sole purpose is to run a function F in its destructor.
-    This is useful for guaranteeing your cleanup code is executed whether the function is exited normally,
-    exited early by a return statement, or exited by an exception.
+    QScopeGuard<F> is a class which sole purpose is to run a function \e F in
+    its destructor. This is useful for guaranteeing your cleanup code is
+    executed, whether the function is exited normally, exited early by a return
+    statement, or exited by an exception.
 
-    If F is a lambda then you cannot instantiate the template directly, therefore the qScopeGuard() helper
-    is provided and QScopeGuard<F> is made a private implementation detail.
+    If \e F is a lambda then you cannot instantiate the template directly,
+    therefore the qScopeGuard() helper is provided and QScopeGuard<F> is made a
+    private implementation detail.
 
     Example usage is as follows:
 
     \snippet code/src_corelib_tools_qscopeguard.cpp 0
 
-    \note Exceptions are not supported. The callable shouldn't throw when executed, copied or moved.
+    \note Exceptions are not supported. The callable shouldn't throw when
+          executed, copied or moved.
 
     \sa QScopedValueRollback
 */

src/corelib/tools/qshareddata.cpp

@@ -579,6 +579,13 @@ QT_BEGIN_NAMESPACE
     the shared data object if the reference count became 0.
  */
 
+/*! \fn template <class T> T *QExplicitlySharedDataPointer<T>::take()
+    \since 5.12
+
+    Returns a pointer to the shared object, and resets \e this to be null.
+    That is, this function sets the \e{d pointer} of \e this to \c nullptr.
+ */
+
 /*! \fn template <class T> QExplicitlySharedDataPointer<T>::operator bool () const
     Returns \c true if the \e{d pointer} of \e this is \e not null.
  */

src/corelib/tools/qstring.cpp

@@ -254,7 +254,7 @@ inline RetType UnrollTailLoop<0>::exec(Number, RetType returnIfExited, Functor1,
 /*!
  * \internal
  *
- * Searches for character \a \c in the string \a str and returns a pointer to
+ * Searches for character \a c in the string \a str and returns a pointer to
  * it. Unlike strchr() and wcschr() (but like glibc's strchrnul()), if the
  * character is not found, this function returns a pointer to the end of the
  * string -- that is, \c{str.end()}.

src/corelib/tools/qtimezone.cpp

@@ -217,7 +217,7 @@ Q_GLOBAL_STATIC(QTimeZoneSingleton, global_tz);
 
     This class includes data obtained from the CLDR data files under the terms
     of the Unicode Data Files and Software License. See
-    \l{Unicode CLDR (Unicode Common Locale Data Repository)} for the details.
+    \l{Unicode Common Locale Data Repository (CLDR)} for details.
 
     \sa QDateTime
 */

src/gui/image/qiconloader.cpp

@@ -50,7 +50,9 @@
 #include <QtCore/qmath.h>
 #include <QtCore/QList>
 #include <QtCore/QDir>
+#if QT_CONFIG(settings)
 #include <QtCore/QSettings>
+#endif
 #include <QtGui/QPainter>
 
 #include <private/qhexstring_p.h>
@@ -348,7 +350,7 @@ QIconTheme::QIconTheme(const QString &themeName)
                 m_valid = true;
         }
     }
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     if (themeIndex.exists()) {
         const QSettings indexReader(themeIndex.fileName(), QSettings::IniFormat);
         const QStringList keys = indexReader.allKeys();
@@ -407,7 +409,7 @@ QIconTheme::QIconTheme(const QString &themeName)
         if (!m_parents.contains(QLatin1String("hicolor")))
             m_parents.append(QLatin1String("hicolor"));
     }
-#endif //QT_NO_SETTINGS
+#endif // settings
 }
 
 QThemeIconInfo QIconLoader::findIconHelper(const QString &themeName,

src/gui/itemmodels/qstandarditemmodel.cpp

@@ -3018,6 +3018,9 @@ bool QStandardItemModel::setData(const QModelIndex &index, const QVariant &value
 /*!
   \since 5.12
   Removes the data stored in all the roles for the given \a index.
+  Returns \c true if \a index is valid and data was cleared, \c false
+  otherwise.
+
   \sa setData(), data()
 */
 #endif

src/gui/kernel/qplatformdialoghelper.cpp

@@ -42,7 +42,9 @@
 #include <QtCore/QCoreApplication>
 #include <QtCore/QVariant>
 #include <QtCore/QSharedData>
+#if QT_CONFIG(settings)
 #include <QtCore/QSettings>
+#endif
 #include <QtCore/QUrl>
 #include <QtCore/QVector>
 #include <QtGui/QColor>
@@ -296,7 +298,7 @@ QColorDialogStaticData::QColorDialogStaticData() : customSet(false)
 
 void QColorDialogStaticData::readSettings()
 {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     const QSettings settings(QSettings::UserScope, QStringLiteral("QtProject"));
     for (int i = 0; i < int(CustomColorCount); ++i) {
         const QVariant v = settings.value(QLatin1String("Qt/customColors/") + QString::number(i));
@@ -308,7 +310,7 @@ void QColorDialogStaticData::readSettings()
 
 void QColorDialogStaticData::writeSettings() const
 {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     if (customSet) {
         const_cast<QColorDialogStaticData*>(this)->customSet = false;
         QSettings settings(QSettings::UserScope, QStringLiteral("QtProject"));

src/gui/kernel/qplatformgraphicsbufferhelper.cpp

@@ -56,6 +56,12 @@
 
 QT_BEGIN_NAMESPACE
 
+/*!
+    \namespace QPlatformGraphicsBufferHelper
+    \inmodule QtGui
+    \internal
+*/
+
 /*!
     Convenience function to both lock and bind the \a graphicsBuffer to a texture.
     This function will first try to lock with texture read and texture write

src/gui/kernel/qplatforminputcontextfactory.cpp

@@ -48,14 +48,14 @@
 
 QT_BEGIN_NAMESPACE
 
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
 Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
     (QPlatformInputContextFactoryInterface_iid, QLatin1String("/platforminputcontexts"), Qt::CaseInsensitive))
 #endif
 
 QStringList QPlatformInputContextFactory::keys()
 {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     return loader()->keyMap().values();
 #else
     return QStringList();
@@ -70,7 +70,7 @@ QString QPlatformInputContextFactory::requested()
 
 QPlatformInputContext *QPlatformInputContextFactory::create(const QString& key)
 {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     if (!key.isEmpty()) {
         QStringList paramList = key.split(QLatin1Char(':'));
         const QString platform = paramList.takeFirst().toLower();

src/gui/opengl/qopenglfunctions.cpp

@@ -142,6 +142,7 @@ void CLASS::init(QOpenGLContext *context) \
     \value BlendColor glBlendColor() is available.
     \value BlendEquation glBlendEquation() is available.
     \value BlendEquationSeparate glBlendEquationSeparate() is available.
+    \value BlendEquationAdvanced Advanced blend equations are available.
     \value BlendFuncSeparate glBlendFuncSeparate() is available.
     \value BlendSubtract Blend subtract mode is available.
     \value CompressedTextures Compressed texture functions are available.

src/gui/opengl/qopengltexturecache.cpp

@@ -97,7 +97,7 @@ void QOpenGLTextureCacheWrapper::cleanupTexturesForPixmapData(QPlatformPixmap *p
 
 QOpenGLTextureCache::QOpenGLTextureCache(QOpenGLContext *ctx)
     : QOpenGLSharedResource(ctx->shareGroup())
-    , m_cache(64 * 1024) // 64 MB cache
+    , m_cache(256 * 1024) // 256 MB cache
 {
 }
 

src/gui/painting/qcolor.cpp

@@ -54,77 +54,77 @@ QT_BEGIN_NAMESPACE
 
 /*!
     \internal
-    If s[0..1] is a valid hex number, returns its integer value,
+    If s[0..n] is a valid hex number, returns its integer value,
     otherwise returns -1.
  */
-static inline int hex2int(const char *s)
+static inline int hex2int(const char *s, int n)
 {
-    const int hi = QtMiscUtils::fromHex(s[0]);
-    if (hi < 0)
+    if (n < 0)
         return -1;
-    const int lo = QtMiscUtils::fromHex(s[1]);
-    if (lo < 0)
-        return -1;
-    return (hi << 4) | lo;
+    int result = 0;
+    for (; n > 0; --n) {
+        result = result * 16;
+        const int h = QtMiscUtils::fromHex(*s++);
+        if (h < 0)
+            return -1;
+        result += h;
+    }
+    return result;
 }
 
-/*!
-    \internal
-    If s is a valid hex digit, returns its integer value,
-    multiplied by 0x11, otherwise returns -1.
- */
-static inline int hex2int(char s)
-{
-    const int h = QtMiscUtils::fromHex(s);
-    return h < 0 ? h : (h << 4) | h;
-}
-
-static bool get_hex_rgb(const char *name, size_t len, QRgb *rgb)
+static bool get_hex_rgb(const char *name, size_t len, QRgba64 *rgb)
 {
     if (name[0] != '#')
         return false;
     name++;
     --len;
     int a, r, g, b;
-    a = 255;
+    a = 65535;
     if (len == 12) {
-        r = hex2int(name);
-        g = hex2int(name + 4);
-        b = hex2int(name + 8);
+        r = hex2int(name + 0, 4);
+        g = hex2int(name + 4, 4);
+        b = hex2int(name + 8, 4);
     } else if (len == 9) {
-        r = hex2int(name);
-        g = hex2int(name + 3);
-        b = hex2int(name + 6);
+        r = hex2int(name + 0, 3);
+        g = hex2int(name + 3, 3);
+        b = hex2int(name + 6, 3);
+        r = (r << 4) | (r >> 8);
+        g = (g << 4) | (g >> 8);
+        b = (b << 4) | (b >> 8);
     } else if (len == 8) {
-        a = hex2int(name);
-        r = hex2int(name + 2);
-        g = hex2int(name + 4);
-        b = hex2int(name + 6);
+        a = hex2int(name + 0, 2) * 0x101;
+        r = hex2int(name + 2, 2) * 0x101;
+        g = hex2int(name + 4, 2) * 0x101;
+        b = hex2int(name + 6, 2) * 0x101;
     } else if (len == 6) {
-        r = hex2int(name);
-        g = hex2int(name + 2);
-        b = hex2int(name + 4);
+        r = hex2int(name + 0, 2) * 0x101;
+        g = hex2int(name + 2, 2) * 0x101;
+        b = hex2int(name + 4, 2) * 0x101;
     } else if (len == 3) {
-        r = hex2int(name[0]);
-        g = hex2int(name[1]);
-        b = hex2int(name[2]);
+        r = hex2int(name + 0, 1) * 0x1111;
+        g = hex2int(name + 1, 1) * 0x1111;
+        b = hex2int(name + 2, 1) * 0x1111;
     } else {
         r = g = b = -1;
     }
-    if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255 || (uint)a > 255) {
+    if ((uint)r > 65535 || (uint)g > 65535 || (uint)b > 65535 || (uint)a > 65535) {
         *rgb = 0;
         return false;
     }
-    *rgb = qRgba(r, g ,b, a);
+    *rgb = qRgba64(r, g ,b, a);
     return true;
 }
 
 bool qt_get_hex_rgb(const char *name, QRgb *rgb)
 {
-    return get_hex_rgb(name, qstrlen(name), rgb);
+    QRgba64 rgba64;
+    if (!get_hex_rgb(name, qstrlen(name), &rgba64))
+        return false;
+    *rgb = rgba64.toArgb32();
+    return true;
 }
 
-static bool get_hex_rgb(const QChar *str, size_t len, QRgb *rgb)
+static bool get_hex_rgb(const QChar *str, size_t len, QRgba64 *rgb)
 {
     if (len > 13)
         return false;
@@ -948,9 +948,9 @@ bool QColor::setColorFromString(String name)
     }
 
     if (name[0] == QLatin1Char('#')) {
-        QRgb rgba;
+        QRgba64 rgba;
         if (get_hex_rgb(name.data(), name.size(), &rgba)) {
-            setRgba(rgba);
+            setRgba64(rgba);
             return true;
         } else {
             invalidate();
@@ -1366,7 +1366,7 @@ QRgba64 QColor::rgba64() const Q_DECL_NOTHROW
 
     Sets the RGB64 value to \a rgba, including its alpha.
 
-    \sa \setRgba(), rgba64()
+    \sa setRgba(), rgba64()
 */
 void QColor::setRgba64(QRgba64 rgba) Q_DECL_NOTHROW
 {

src/gui/text/qfont.cpp

@@ -1287,7 +1287,7 @@ QFont::StyleStrategy QFont::styleStrategy() const
 /*!
     Returns the StyleHint.
 
-    The style hint affects the \l{#fontmatching}{font matching algorithm}.
+    The style hint affects the \l{QFont#fontmatching}{font matching algorithm}.
     See \l QFont::StyleHint for the list of available hints.
 
     \sa setStyleHint(), QFont::StyleStrategy, QFontInfo::styleHint()

src/gui/text/qtextdocument.cpp

@@ -155,7 +155,7 @@ bool Qt::mightBeRichText(const QString& text)
 
     This function is defined in the \c <QTextDocument> header file.
 
-    \sa escape(), mightBeRichText()
+    \sa QString::toHtmlEscaped(), mightBeRichText()
 */
 QString Qt::convertFromPlainText(const QString &plain, Qt::WhiteSpaceMode mode)
 {

src/gui/text/qtextdocumentlayout.cpp

@@ -2709,7 +2709,8 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
                             qreal(q->paintDevice()->logicalDpiY()) / qreal(qt_defaultDpi()) : 1;
             getLineHeightParams(blockFormat, line, scaling, &lineAdjustment, &lineBreakHeight, &lineHeight, &lineBottom);
 
-            if (layoutStruct->pageHeight > 0 && layoutStruct->absoluteY() + lineBreakHeight > layoutStruct->pageBottom) {
+            if (layoutStruct->pageHeight > 0 && layoutStruct->absoluteY() + lineBreakHeight > layoutStruct->pageBottom &&
+                layoutStruct->pageHeight >= lineBreakHeight) {
                 layoutStruct->newPage();
 
                 floatMargins(layoutStruct->y, layoutStruct, &left, &right);
@@ -3049,18 +3050,12 @@ void QTextDocumentLayout::resizeInlineObject(QTextInlineObject item, int posInDo
     QSizeF inlineSize = (pos == QTextFrameFormat::InFlow ? intrinsic : QSizeF(0, 0));
     item.setWidth(inlineSize.width());
 
-    QFontMetrics m(f.font());
-    switch (f.verticalAlignment())
-    {
-    case QTextCharFormat::AlignMiddle:
-        item.setDescent(inlineSize.height() / 2);
-        item.setAscent(inlineSize.height() / 2);
-        break;
-    case QTextCharFormat::AlignBaseline:
-        item.setDescent(m.descent());
-        item.setAscent(inlineSize.height() - m.descent());
-        break;
-    default:
+    if (f.verticalAlignment() == QTextCharFormat::AlignMiddle) {
+        QFontMetrics m(f.font());
+        qreal halfX = m.xHeight()/2.;
+        item.setAscent((inlineSize.height() + halfX) / 2.);
+        item.setDescent((inlineSize.height() - halfX) / 2.);
+    } else {
         item.setDescent(0);
         item.setAscent(inlineSize.height());
     }

src/gui/text/qtextengine.cpp

@@ -1962,19 +1962,24 @@ const QCharAttributes *QTextEngine::attributes() const
 
 void QTextEngine::shape(int item) const
 {
-    if (layoutData->items.at(item).analysis.flags == QScriptAnalysis::Object) {
+    auto &li = layoutData->items[item];
+    if (li.analysis.flags == QScriptAnalysis::Object) {
         ensureSpace(1);
         if (block.docHandle()) {
             docLayout()->resizeInlineObject(QTextInlineObject(item, const_cast<QTextEngine *>(this)),
-                                            layoutData->items[item].position + block.position(),
-                                            format(&layoutData->items[item]));
+                                            li.position + block.position(),
+                                            format(&li));
         }
-    } else if (layoutData->items.at(item).analysis.flags == QScriptAnalysis::Tab) {
+        // fix log clusters to point to the previous glyph, as the object doesn't have a glyph of it's own.
+        // This is required so that all entries in the array get initialized and are ordered correctly.
+        ushort *lc = logClusters(&li);
+        *lc = item ? lc[-1] : 0;
+    } else if (li.analysis.flags == QScriptAnalysis::Tab) {
         // set up at least the ascent/descent/leading of the script item for the tab
-        fontEngine(layoutData->items[item],
-                   &layoutData->items[item].ascent,
-                   &layoutData->items[item].descent,
-                   &layoutData->items[item].leading);
+        fontEngine(li, &li.ascent, &li.descent, &li.leading);
+        // see the comment above
+        ushort *lc = logClusters(&li);
+        *lc = item ? lc[-1] : 0;
     } else {
         shapeText(item);
     }

src/gui/text/qtextformat.cpp

@@ -649,6 +649,7 @@ Q_GUI_EXPORT QDataStream &operator>>(QDataStream &stream, QTextFormat &fmt)
     \value ImageName
     \value ImageWidth
     \value ImageHeight
+    \value ImageQuality
 
     Selection properties
 
@@ -2274,7 +2275,7 @@ QList<QTextOption::Tab> QTextBlockFormat::tabPositions() const
     \fn void QTextBlockFormat::setHeadingLevel(int level)
     \since 5.12
 
-    Sets the paragraph's heading level, where 1 is the highest-level heading
+    Sets the paragraph's heading \a level, where 1 is the highest-level heading
     type (usually with the largest possible heading font size), and increasing
     values are progressively deeper into the document (and usually with smaller
     font sizes). For example when reading an HTML H1 tag, the heading level is

src/gui/text/qtextlayout.cpp

@@ -1834,6 +1834,9 @@ void QTextLine::layout_helper(int maxGlyphs)
     lbh.logClusters = eng->layoutData->logClustersPtr;
     lbh.previousGlyph = 0;
 
+    bool hasInlineObject = false;
+    QFixed maxInlineObjectHeight = 0;
+
     while (newItem < eng->layoutData->items.size()) {
         lbh.resetRightBearing();
         lbh.softHyphenWidth = 0;
@@ -1862,8 +1865,11 @@ void QTextLine::layout_helper(int maxGlyphs)
         lbh.tmpData.leading = qMax(lbh.tmpData.leading + lbh.tmpData.ascent,
                                    current.leading + current.ascent) - qMax(lbh.tmpData.ascent,
                                                                             current.ascent);
-        lbh.tmpData.ascent = qMax(lbh.tmpData.ascent, current.ascent);
-        lbh.tmpData.descent = qMax(lbh.tmpData.descent, current.descent);
+        if (current.analysis.flags != QScriptAnalysis::Object) {
+            // objects need some special treatment as they can special alignment or be floating
+            lbh.tmpData.ascent = qMax(lbh.tmpData.ascent, current.ascent);
+            lbh.tmpData.descent = qMax(lbh.tmpData.descent, current.descent);
+        }
 
         if (current.analysis.flags == QScriptAnalysis::Tab && (alignment & (Qt::AlignLeft | Qt::AlignRight | Qt::AlignCenter | Qt::AlignJustify))) {
             lbh.whiteSpaceOrObject = true;
@@ -1911,9 +1917,18 @@ void QTextLine::layout_helper(int maxGlyphs)
 
             if (eng->block.docHandle()) {
                 QTextInlineObject inlineObject(item, eng);
-                eng->docLayout()->positionInlineObject(inlineObject, eng->block.position() + current.position, inlineObject.format());
+                QTextFormat f = inlineObject.format();
+                eng->docLayout()->positionInlineObject(inlineObject, eng->block.position() + current.position, f);
+                QTextCharFormat::VerticalAlignment valign = f.toCharFormat().verticalAlignment();
+                if (valign != QTextCharFormat::AlignTop && valign != QTextCharFormat::AlignBottom) {
+                    lbh.tmpData.ascent = qMax(lbh.tmpData.ascent, current.ascent);
+                    lbh.tmpData.descent = qMax(lbh.tmpData.descent, current.descent);
+                }
             }
 
+            hasInlineObject = true;
+            maxInlineObjectHeight = qMax(maxInlineObjectHeight, current.ascent + current.descent);
+
             lbh.tmpData.textWidth += current.width;
 
             newItem = item + 1;
@@ -2049,6 +2064,43 @@ found:
         line += lbh.tmpData;
     }
 
+    if (hasInlineObject && eng->block.docHandle()) {
+        // position top/bottom aligned inline objects
+        if (maxInlineObjectHeight > line.ascent + line.descent) {
+            // extend line height if required
+            QFixed toAdd = (maxInlineObjectHeight - line.ascent - line.descent)/2;
+            line.ascent += toAdd;
+            line.descent = maxInlineObjectHeight - line.ascent;
+        }
+        int startItem = eng->findItem(line.from);
+        int endItem = eng->findItem(line.from + line.length);
+        if (endItem < 0)
+            endItem = eng->layoutData->items.size();
+        for (int item = startItem; item < endItem; ++item) {
+            QScriptItem &current = eng->layoutData->items[item];
+            if (current.analysis.flags == QScriptAnalysis::Object) {
+                QTextInlineObject inlineObject(item, eng);
+                QTextCharFormat::VerticalAlignment align = inlineObject.format().toCharFormat().verticalAlignment();
+                QFixed height = current.ascent + current.descent;
+                switch (align) {
+                case QTextCharFormat::AlignTop:
+                    current.ascent = line.ascent;
+                    current.descent = height - line.ascent;
+                    break;
+                case QTextCharFormat::AlignBottom:
+                    current.descent = line.descent;
+                    current.ascent = height - line.descent;
+                    break;
+                default:
+                    break;
+                }
+                Q_ASSERT(line.ascent >= current.ascent);
+                Q_ASSERT(line.descent >= current.descent);
+            }
+        }
+    }
+
+
     LB_DEBUG("line length = %d, ascent=%f, descent=%f, textWidth=%f (spacew=%f)", line.length, line.ascent.toReal(),
            line.descent.toReal(), line.textWidth.toReal(), lbh.spaceData.width.toReal());
     LB_DEBUG("        : '%s'", eng->layoutData->string.mid(line.from, line.length).toUtf8().data());
@@ -2522,6 +2574,8 @@ void QTextLine::draw(QPainter *p, const QPointF &pos, const QTextLayout::FormatR
                     QFixed itemY = y - si.ascent;
                     if (format.verticalAlignment() == QTextCharFormat::AlignTop) {
                         itemY = y - lineBase;
+                    } else if (format.verticalAlignment() == QTextCharFormat::AlignBottom) {
+                        itemY = y + line.descent - si.ascent - si.descent;
                     }
 
                     QRectF itemRect(iterator.x.toReal(), itemY.toReal(), iterator.itemWidth.toReal(), si.height().toReal());

src/network/socket/qabstractsocket.cpp

@@ -424,7 +424,7 @@
     Note that by combining this option with ReuseAddressHint, you will
     also allow your service to rebind an existing shared address. On
     Unix, this is equivalent to the SO_REUSEADDR socket option. On Windows,
-    this option is ignored.
+    this is the default behavior, so this option is ignored.
 
     \value DontShareAddress Bind the address and port exclusively, so that
     no other services are allowed to rebind. By passing this option to
@@ -444,7 +444,7 @@
 
     \value DefaultForPlatform The default option for the current platform.
     On Unix and \macos, this is equivalent to (DontShareAddress
-    + ReuseAddressHint), and on Windows, its equivalent to ShareAddress.
+    + ReuseAddressHint), and on Windows, it is equivalent to ShareAddress.
 */
 
 /*! \enum QAbstractSocket::PauseMode
@@ -455,7 +455,7 @@
     The only notification currently supported is QSslSocket::sslErrors().
 
     \value PauseNever Do not pause data transfer on the socket. This is the
-    default and matches the behaviour of Qt 4.
+    default and matches the behavior of Qt 4.
     \value PauseOnSslErrors Pause data transfer on the socket upon receiving an
     SSL error notification. I.E. QSslSocket::sslErrors().
 */
@@ -1538,11 +1538,9 @@ void QAbstractSocket::setPauseMode(PauseModes pauseMode)
 
     Binds to \a address on port \a port, using the BindMode \a mode.
 
-    Binds this socket to the address \a address and the port \a port.
-
     For UDP sockets, after binding, the signal QUdpSocket::readyRead() is emitted
     whenever a UDP datagram arrives on the specified address and port.
-    Thus, This function is useful to write UDP servers.
+    Thus, this function is useful to write UDP servers.
 
     For TCP sockets, this function may be used to specify which interface to use
     for an outgoing connection, which is useful in case of multiple network

src/network/ssl/qssl.cpp

@@ -129,6 +129,8 @@ Q_LOGGING_CATEGORY(lcSsl, "qt.network.ssl");
     \value DtlsV1_0OrLater DTLSv1.0 and later versions.
     \value DtlsV1_2 DTLSv1.2
     \value DtlsV1_2OrLater DTLSv1.2 and later versions.
+    \value TlsV1_3 TLSv1.3. (Since Qt 5.12)
+    \value TlsV1_3OrLater TLSv1.3 and later versions. (Since Qt 5.12)
     \value UnknownProtocol The cipher's protocol cannot be determined.
     \value AnyProtocol The socket understands SSLv2, SSLv3, TLSv1.0 and all
     supported later versions of TLS. This value is used by QSslSocket only.

src/network/ssl/qssl.h

@@ -91,12 +91,13 @@ namespace QSsl {
         TlsV1_1OrLater,
         TlsV1_2OrLater,
 
-#if QT_CONFIG(dtls) || defined(Q_CLANG_QDOC)
         DtlsV1_0,
         DtlsV1_0OrLater,
         DtlsV1_2,
         DtlsV1_2OrLater,
-#endif
+
+        TlsV1_3,
+        TlsV1_3OrLater,
 
         UnknownProtocol = -1
     };

src/network/ssl/qsslcontext_openssl11.cpp

@@ -105,7 +105,24 @@ init_context:
             isDtls = true;
             sslContext->ctx = q_SSL_CTX_new(client ? q_DTLS_client_method() : q_DTLS_server_method());
             break;
+#else // dtls
+        case QSsl::DtlsV1_0:
+        case QSsl::DtlsV1_0OrLater:
+        case QSsl::DtlsV1_2:
+        case QSsl::DtlsV1_2OrLater:
+            sslContext->ctx = nullptr;
+            unsupportedProtocol = true;
+            qCWarning(lcSsl, "DTLS protocol requested, but feature 'dtls' is disabled");
+            break;
 #endif // dtls
+        case QSsl::TlsV1_3:
+        case QSsl::TlsV1_3OrLater:
+#if !defined(TLS1_3_VERSION)
+            qCWarning(lcSsl, "TLS 1.3 is not supported");
+            sslContext->ctx = nullptr;
+            unsupportedProtocol = true;
+            break;
+#endif // TLS1_3_VERSION
         default:
             // The ssl options will actually control the supported methods
             sslContext->ctx = q_SSL_CTX_new(client ? q_TLS_client_method() : q_TLS_server_method());
@@ -155,6 +172,16 @@ init_context:
         minVersion = TLS1_2_VERSION;
         maxVersion = TLS1_2_VERSION;
         break;
+    case QSsl::TlsV1_3:
+#ifdef TLS1_3_VERSION
+        minVersion = TLS1_3_VERSION;
+        maxVersion = TLS1_3_VERSION;
+#else
+        // This protocol is not supported by OpenSSL 1.1 and we handle
+        // it as an error (see the code above).
+        Q_UNREACHABLE();
+#endif // TLS1_3_VERSION
+        break;
     // Ranges:
     case QSsl::TlsV1SslV3:
     case QSsl::AnyProtocol:
@@ -192,6 +219,17 @@ init_context:
         maxVersion = DTLS_MAX_VERSION;
         break;
 #endif // dtls
+    case QSsl::TlsV1_3OrLater:
+#ifdef TLS1_3_VERSION
+        minVersion = TLS1_3_VERSION;
+        maxVersion = 0;
+        break;
+#else
+        // This protocol is not supported by OpenSSL 1.1 and we handle
+        // it as an error (see the code above).
+        Q_UNREACHABLE();
+        break;
+#endif // TLS1_3_VERSION
     case QSsl::SslV2:
         // This protocol is not supported by OpenSSL 1.1 and we handle
         // it as an error (see the code above).
@@ -223,23 +261,52 @@ init_context:
     // http://www.openssl.org/docs/ssl/SSL_CTX_set_mode.html
     q_SSL_CTX_set_mode(sslContext->ctx, SSL_MODE_RELEASE_BUFFERS);
 
+    auto filterCiphers = [](const QList<QSslCipher> &ciphers, bool selectTls13)
+    {
+        QByteArray cipherString;
+        bool first = true;
+
+        for (const QSslCipher &cipher : qAsConst(ciphers)) {
+            const bool isTls13Cipher = cipher.protocol() == QSsl::TlsV1_3 || cipher.protocol() == QSsl::TlsV1_3OrLater;
+            if (selectTls13 != isTls13Cipher)
+                continue;
+
+            if (first)
+                first = false;
+            else
+                cipherString.append(':');
+            cipherString.append(cipher.name().toLatin1());
+        }
+        return cipherString;
+    };
+
     // Initialize ciphers
-    QByteArray cipherString;
-    bool first = true;
     QList<QSslCipher> ciphers = sslContext->sslConfiguration.ciphers();
     if (ciphers.isEmpty())
         ciphers = isDtls ? q_getDefaultDtlsCiphers() : QSslSocketPrivate::defaultCiphers();
 
-    for (const QSslCipher &cipher : qAsConst(ciphers)) {
-        if (first)
-            first = false;
-        else
-            cipherString.append(':');
-        cipherString.append(cipher.name().toLatin1());
+    const QByteArray preTls13Ciphers = filterCiphers(ciphers, false);
+
+    if (preTls13Ciphers.size()) {
+        if (!q_SSL_CTX_set_cipher_list(sslContext->ctx, preTls13Ciphers.data())) {
+            sslContext->errorStr = QSslSocket::tr("Invalid or empty cipher list (%1)").arg(QSslSocketBackendPrivate::getErrorsFromOpenSsl());
+            sslContext->errorCode = QSslError::UnspecifiedError;
+            return;
+        }
     }
 
-    if (!q_SSL_CTX_set_cipher_list(sslContext->ctx, cipherString.data())) {
-        sslContext->errorStr = QSslSocket::tr("Invalid or empty cipher list (%1)").arg(QSslSocketBackendPrivate::getErrorsFromOpenSsl());
+    const QByteArray tls13Ciphers = filterCiphers(ciphers, true);
+#ifdef TLS1_3_VERSION
+    if (tls13Ciphers.size()) {
+        if (!q_SSL_CTX_set_ciphersuites(sslContext->ctx, tls13Ciphers.data())) {
+            sslContext->errorStr = QSslSocket::tr("Invalid or empty cipher list (%1)").arg(QSslSocketBackendPrivate::getErrorsFromOpenSsl());
+            sslContext->errorCode = QSslError::UnspecifiedError;
+            return;
+        }
+    }
+#endif // TLS1_3_VERSION
+    if (!preTls13Ciphers.size() && !tls13Ciphers.size()) {
+        sslContext->errorStr = QSslSocket::tr("Invalid or empty cipher list (%1)").arg(QStringLiteral(""));
         sslContext->errorCode = QSslError::UnspecifiedError;
         return;
     }

src/network/ssl/qsslcontext_opensslpre11.cpp

@@ -104,6 +104,15 @@ init_context:
         isDtls = true;
         sslContext->ctx = q_SSL_CTX_new(client ? q_DTLS_client_method() : q_DTLS_server_method());
         break;
+#else // dtls
+    case QSsl::DtlsV1_0:
+    case QSsl::DtlsV1_0OrLater:
+    case QSsl::DtlsV1_2:
+    case QSsl::DtlsV1_2OrLater:
+        sslContext->ctx = nullptr;
+        unsupportedProtocol = true;
+        qCWarning(lcSsl, "DTLS protocol requested, but feature 'dtls' is disabled");
+        break;
 #endif // dtls
     case QSsl::SslV2:
 #ifndef OPENSSL_NO_SSL2
@@ -168,6 +177,12 @@ init_context:
         unsupportedProtocol = true;
 #endif
         break;
+    case QSsl::TlsV1_3:
+    case QSsl::TlsV1_3OrLater:
+        // TLS 1.3 is not supported by the system, but chosen deliberately -> error
+        sslContext->ctx = nullptr;
+        unsupportedProtocol = true;
+        break;
     }
 
     if (!client && isDtls && configuration.peerVerifyMode() != QSslSocket::VerifyNone) {

src/network/ssl/qsslsocket_mac.cpp

@@ -1107,6 +1107,18 @@ bool QSslSocketBackendPrivate::setSessionProtocol()
         return false;
     }
 
+    // SecureTransport has kTLSProtocol13 constant and also, kTLSProtocolMaxSupported.
+    // Calling SSLSetProtocolVersionMax/Min with any of these two constants results
+    // in errInvalidParam and a failure to set the protocol version. This means
+    // no TLS 1.3 on macOS and iOS.
+    switch (configuration.protocol) {
+    case QSsl::TlsV1_3:
+    case QSsl::TlsV1_3OrLater:
+        qCWarning(lcSsl) << plainSocket << "SecureTransport does not support TLS 1.3";
+        return false;
+    default:;
+    }
+
     OSStatus err = errSecSuccess;
 
     if (configuration.protocol == QSsl::SslV3) {

src/network/ssl/qsslsocket_openssl.cpp

@@ -174,6 +174,8 @@ QSslCipher QSslSocketBackendPrivate::QSslCipher_from_SSL_CIPHER(const SSL_CIPHER
             ciph.d->protocol = QSsl::TlsV1_1;
         else if (protoString == QLatin1String("TLSv1.2"))
             ciph.d->protocol = QSsl::TlsV1_2;
+        else if (protoString == QLatin1String("TLSv1.3"))
+            ciph.d->protocol = QSsl::TlsV1_3;
 
         if (descriptionList.at(2).startsWith(QLatin1String("Kx=")))
             ciph.d->keyExchangeMethod = descriptionList.at(2).mid(3).toString();
@@ -285,6 +287,8 @@ long QSslSocketBackendPrivate::setupOpenSslOptions(QSsl::SslProtocol protocol, Q
         options = SSL_OP_ALL|SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1;
     else if (protocol == QSsl::TlsV1_2OrLater)
         options = SSL_OP_ALL|SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1;
+    else if (protocol == QSsl::TlsV1_3OrLater)
+        options = SSL_OP_ALL|SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1|SSL_OP_NO_TLSv1_1|SSL_OP_NO_TLSv1_2;
 #endif
     else
         options = SSL_OP_ALL;
@@ -1291,6 +1295,8 @@ QSsl::SslProtocol QSslSocketBackendPrivate::sessionProtocol() const
         return QSsl::TlsV1_1;
     case 0x303:
         return QSsl::TlsV1_2;
+    case 0x304:
+        return QSsl::TlsV1_3;
     }
 
     return QSsl::UnknownProtocol;

src/network/ssl/qsslsocket_openssl11_symbols_p.h

@@ -130,6 +130,10 @@ const char *q_OpenSSL_version(int type);
 unsigned long q_SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *session);
 unsigned long q_SSL_set_options(SSL *s, unsigned long op);
 
+#ifdef TLS1_3_VERSION
+int q_SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str);
+#endif
+
 #if QT_CONFIG(dtls)
 // Functions and types required for DTLS support:
 extern "C"

src/network/ssl/qsslsocket_openssl_symbols.cpp

@@ -161,6 +161,7 @@ DEFINEFUNC(void, OPENSSL_sk_free, OPENSSL_STACK *a, a, return, DUMMYARG)
 DEFINEFUNC2(void *, OPENSSL_sk_value, OPENSSL_STACK *a, a, int b, b, return nullptr, return)
 DEFINEFUNC(int, SSL_session_reused, SSL *a, a, return 0, return)
 DEFINEFUNC2(unsigned long, SSL_CTX_set_options, SSL_CTX *ctx, ctx, unsigned long op, op, return 0, return)
+DEFINEFUNC2(int, SSL_CTX_set_ciphersuites, SSL_CTX *ctx, ctx, const char *str, str, return 0, return)
 DEFINEFUNC3(size_t, SSL_get_client_random, SSL *a, a, unsigned char *out, out, size_t outlen, outlen, return 0, return)
 DEFINEFUNC3(size_t, SSL_SESSION_get_master_key, const SSL_SESSION *ses, ses, unsigned char *out, out, size_t outlen, outlen, return 0, return)
 DEFINEFUNC6(int, CRYPTO_get_ex_new_index, int class_index, class_index, long argl, argl, void *argp, argp, CRYPTO_EX_new *new_func, new_func, CRYPTO_EX_dup *dup_func, dup_func, CRYPTO_EX_free *free_func, free_func, return -1, return)
@@ -966,6 +967,9 @@ bool q_resolveOpenSslSymbols()
     RESOLVEFUNC(OPENSSL_sk_value)
     RESOLVEFUNC(DH_get0_pqg)
     RESOLVEFUNC(SSL_CTX_set_options)
+#ifdef TLS1_3_VERSION
+    RESOLVEFUNC(SSL_CTX_set_ciphersuites)
+#endif // TLS 1.3 or OpenSSL > 1.1.1
     RESOLVEFUNC(SSL_get_client_random)
     RESOLVEFUNC(SSL_SESSION_get_master_key)
     RESOLVEFUNC(SSL_session_reused)

src/network/ssl/qsslsocket_winrt.cpp

@@ -251,6 +251,8 @@ void QSslSocketBackendPrivate::startClientEncryption()
     case QSsl::TlsV1_0OrLater:
     case QSsl::TlsV1_1OrLater:
     case QSsl::TlsV1_2OrLater:
+    case QSsl::TlsV1_3:
+    case QSsl::TlsV1_3OrLater:
         // TlsV1_0OrLater, TlsV1_1OrLater and TlsV1_2OrLater are disabled on WinRT
         // because there is no good way to map them to the native API.
         setErrorAndEmit(QAbstractSocket::SslInvalidUserDataError,

src/opengl/qgl.cpp

@@ -5202,25 +5202,6 @@ void QGLWidgetPrivate::cleanupColormaps()
 {
 }
 
-Q_GLOBAL_STATIC(QString, qt_gl_lib_name)
-
-void qt_set_gl_library_name(const QString& name)
-{
-    qt_gl_lib_name()->operator=(name);
-}
-
-const QString qt_gl_library_name()
-{
-    if (qt_gl_lib_name()->isNull()) {
-# if defined(QT_OPENGL_ES_2)
-        return QLatin1String("GLESv2");
-# else
-        return QLatin1String("GL");
-# endif
-    }
-    return *qt_gl_lib_name();
-}
-
 void QGLContextGroup::addShare(const QGLContext *context, const QGLContext *share) {
     Q_ASSERT(context && share);
     if (context->d_ptr->group == share->d_ptr->group)

src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm

@@ -50,7 +50,9 @@
 
 #include "qcoretextfontdatabase_p.h"
 #include "qfontengine_coretext_p.h"
+#if QT_CONFIG(settings)
 #include <QtCore/QSettings>
+#endif
 #include <QtCore/QtEndian>
 #ifndef QT_NO_FREETYPE
 #include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
@@ -116,21 +118,25 @@ QCoreTextFontDatabase::QCoreTextFontDatabase()
     : m_hasPopulatedAliases(false)
 {
 #ifdef Q_OS_MACX
-    QSettings appleSettings(QLatin1String("apple.com"));
-    QVariant appleValue = appleSettings.value(QLatin1String("AppleAntiAliasingThreshold"));
-    if (appleValue.isValid())
-        QCoreTextFontEngine::antialiasingThreshold = appleValue.toInt();
-
     /*
         font_smoothing = 0 means no smoothing, while 1-3 means subpixel
         antialiasing with different hinting styles (but we don't care about the
         exact value, only if subpixel rendering is available or not)
     */
     int font_smoothing = 0;
+
+#if QT_CONFIG(settings)
+    QSettings appleSettings(QLatin1String("apple.com"));
+    QVariant appleValue = appleSettings.value(QLatin1String("AppleAntiAliasingThreshold"));
+    if (appleValue.isValid())
+        QCoreTextFontEngine::antialiasingThreshold = appleValue.toInt();
+
     appleValue = appleSettings.value(QLatin1String("AppleFontSmoothing"));
     if (appleValue.isValid()) {
         font_smoothing = appleValue.toInt();
-    } else {
+    } else
+#endif // settings
+    {
         // non-Apple displays do not provide enough information about subpixel rendering so
         // draw text with cocoa and compare pixel colors to see if subpixel rendering is enabled
         int w = 10;

src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm

@@ -41,7 +41,9 @@
 
 #include <qpa/qplatformfontdatabase.h>
 #include <QtCore/qendian.h>
+#if QT_CONFIG(settings)
 #include <QtCore/qsettings.h>
+#endif
 #include <QtCore/qoperatingsystemversion.h>
 
 #include <private/qimage_p.h>

src/platformsupport/services/genericunix/qgenericunixservices.cpp

@@ -45,7 +45,9 @@
 #if QT_CONFIG(process)
 # include <QtCore/QProcess>
 #endif
+#if QT_CONFIG(settings)
 #include <QtCore/QSettings>
+#endif
 #include <QtCore/QStandardPaths>
 #include <QtCore/QUrl>
 
@@ -93,7 +95,7 @@ static inline QByteArray detectDesktopEnvironment()
     // This can be a path in /usr/share/xsessions
     int slash = desktopSession.lastIndexOf('/');
     if (slash != -1) {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
         QSettings desktopFile(QFile::decodeName(desktopSession + ".desktop"), QSettings::IniFormat);
         desktopFile.beginGroup(QStringLiteral("Desktop Entry"));
         QByteArray desktopName = desktopFile.value(QStringLiteral("DesktopNames")).toByteArray();

src/platformsupport/themes/genericunix/qgenericunixthemes.cpp

@@ -53,7 +53,9 @@
 #include <QtCore/QMimeDatabase>
 #endif
 #include <QtCore/QLoggingCategory>
+#if QT_CONFIG(settings)
 #include <QtCore/QSettings>
+#endif
 #include <QtCore/QVariant>
 #include <QtCore/QStandardPaths>
 #include <QtCore/QStringList>
@@ -261,7 +263,7 @@ static QIcon xdgFileIcon(const QFileInfo &fileInfo)
 }
 #endif
 
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
 class QKdeThemePrivate : public QPlatformThemePrivate
 {
 public:
@@ -688,7 +690,7 @@ QPlatformSystemTrayIcon *QKdeTheme::createPlatformSystemTrayIcon() const
 }
 #endif
 
-#endif // QT_NO_SETTINGS
+#endif // settings
 
 /*!
     \class QGnomeTheme
@@ -834,7 +836,7 @@ QPlatformTheme *QGenericUnixTheme::createUnixTheme(const QString &name)
 {
     if (name == QLatin1String(QGenericUnixTheme::name))
         return new QGenericUnixTheme;
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
     if (name == QLatin1String(QKdeTheme::name))
         if (QPlatformTheme *kdeTheme = QKdeTheme::createKdeTheme())
             return kdeTheme;
@@ -859,7 +861,7 @@ QStringList QGenericUnixTheme::themeNames()
         const QList<QByteArray> desktopNames = desktopEnvironment.split(':');
         for (const QByteArray &desktopName : desktopNames) {
             if (desktopEnvironment == "KDE") {
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
                 result.push_back(QLatin1String(QKdeTheme::name));
 #endif
             } else if (gtkBasedEnvironments.contains(desktopName)) {

src/platformsupport/themes/genericunix/qgenericunixthemes_p.h

@@ -96,7 +96,7 @@ public:
     static const char *name;
 };
 
-#ifndef QT_NO_SETTINGS
+#if QT_CONFIG(settings)
 class QKdeThemePrivate;
 
 class QKdeTheme : public QPlatformTheme
@@ -123,7 +123,7 @@ public:
 
     static const char *name;
 };
-#endif // QT_NO_SETTINGS
+#endif // settings
 
 class QGnomeThemePrivate;
 

src/plugins/platforms/cocoa/qcocoaintegration.mm

@@ -340,12 +340,17 @@ QCocoaScreen *QCocoaIntegration::screenForNSScreen(NSScreen *nsScreen)
 bool QCocoaIntegration::hasCapability(QPlatformIntegration::Capability cap) const
 {
     switch (cap) {
-    case ThreadedPixmaps:
 #ifndef QT_NO_OPENGL
-    case OpenGL:
     case ThreadedOpenGL:
+        // AppKit expects rendering to happen on the main thread, and we can
+        // easily end up in situations where rendering on secondary threads
+        // will result in visual artifacts, bugs, or even deadlocks, when
+        // building with SDK 10.14 or higher which enbles view layer-backing.
+        return QMacVersion::buildSDK() < QOperatingSystemVersion(QOperatingSystemVersion::MacOSMojave);
+    case OpenGL:
     case BufferQueueingOpenGL:
 #endif
+    case ThreadedPixmaps:
     case WindowMasks:
     case MultipleWindows:
     case ForeignWindows:

src/plugins/platforms/cocoa/qcocoawindow.mm

@@ -1549,7 +1549,9 @@ QCocoaNSWindow *QCocoaWindow::createNSWindow(bool shouldBePanel)
             QWindowSystemInterface::SynchronousDelivery>(window(), targetScreen);
     }
 
-    nsWindow.delegate = [[QNSWindowDelegate alloc] initWithQCocoaWindow:this];
+    static QSharedPointer<QNSWindowDelegate> sharedDelegate([[QNSWindowDelegate alloc] init],
+        [](QNSWindowDelegate *delegate) { [delegate release]; });
+    nsWindow.delegate = sharedDelegate.get();
 
     // Prevent Cocoa from releasing the window on close. Qt
     // handles the close event asynchronously and we want to

src/plugins/platforms/cocoa/qnsview.mm

@@ -71,7 +71,7 @@
 @end
 
 @interface QT_MANGLE_NAMESPACE(QNSView) (Drawing) <CALayerDelegate>
-- (BOOL)wantsLayerHelper;
+- (void)initDrawing;
 @end
 
 @interface QT_MANGLE_NAMESPACE(QNSViewMouseMoveHelper) : NSObject
@@ -152,19 +152,8 @@
 
         self.focusRingType = NSFocusRingTypeNone;
         self.cursor = nil;
-        self.wantsLayer = [self wantsLayerHelper];
-
-        // Enable high-DPI OpenGL for retina displays. Enabling has the side
-        // effect that Cocoa will start calling glViewport(0, 0, width, height),
-        // overriding any glViewport calls in application code. This is usually not a
-        // problem, except if the application wants to have a "custom" viewport.
-        // (like the hellogl example)
-        if (m_platformWindow->window()->supportsOpenGL()) {
-            self.wantsBestResolutionOpenGLSurface = qt_mac_resolveOption(YES, m_platformWindow->window(),
-                "_q_mac_wantsBestResolutionOpenGLSurface", "QT_MAC_WANTS_BEST_RESOLUTION_OPENGL_SURFACE");
-            // See also QCocoaGLContext::makeCurrent for software renderer workarounds.
-        }
 
+        [self initDrawing];
         [self registerDragTypes];
 
         [[NSNotificationCenter defaultCenter] addObserver:self
@@ -177,6 +166,8 @@
 
 - (void)dealloc
 {
+    qCDebug(lcQpaWindow) << "Deallocating" << self;
+
     if (m_trackingArea) {
         [self removeTrackingArea:m_trackingArea];
         [m_trackingArea release];

src/plugins/platforms/cocoa/qnsview_drawing.mm

@@ -41,6 +41,24 @@
 
 @implementation QT_MANGLE_NAMESPACE(QNSView) (Drawing)
 
+- (void)initDrawing
+{
+    self.wantsLayer = [self layerExplicitlyRequested]
+        || [self shouldUseMetalLayer]
+        || [self layerEnabledByMacOS];
+
+    // Enable high-DPI OpenGL for retina displays. Enabling has the side
+    // effect that Cocoa will start calling glViewport(0, 0, width, height),
+    // overriding any glViewport calls in application code. This is usually not a
+    // problem, except if the application wants to have a "custom" viewport.
+    // (like the hellogl example)
+    if (m_platformWindow->window()->supportsOpenGL()) {
+        self.wantsBestResolutionOpenGLSurface = qt_mac_resolveOption(YES, m_platformWindow->window(),
+            "_q_mac_wantsBestResolutionOpenGLSurface", "QT_MAC_WANTS_BEST_RESOLUTION_OPENGL_SURFACE");
+        // See also QCocoaGLContext::makeCurrent for software renderer workarounds.
+    }
+}
+
 - (BOOL)isOpaque
 {
     if (!m_platformWindow)
@@ -71,6 +89,33 @@
     m_platformWindow->handleExposeEvent(exposedRegion);
 }
 
+- (BOOL)layerEnabledByMacOS
+{
+    // AppKit has its own logic for this, but if we rely on that, our layers are created
+    // by AppKit at a point where we've already set up other parts of the platform plugin
+    // based on the presence of layers or not. Once we've rewritten these parts to support
+    // dynamically picking up layer enablement we can let AppKit do its thing.
+    return QMacVersion::buildSDK() >= QOperatingSystemVersion::MacOSMojave
+        && QMacVersion::currentRuntime() >= QOperatingSystemVersion::MacOSMojave;
+}
+
+- (BOOL)layerExplicitlyRequested
+{
+    static bool wantsLayer = [&]() {
+        int wantsLayer = qt_mac_resolveOption(-1, m_platformWindow->window(),
+            "_q_mac_wantsLayer", "QT_MAC_WANTS_LAYER");
+
+        if (wantsLayer != -1 && [self layerEnabledByMacOS]) {
+            qCWarning(lcQpaDrawing) << "Layer-backing can not be explicitly controlled on 10.14 when built against the 10.14 SDK";
+            return true;
+        }
+
+        return wantsLayer == 1;
+    }();
+
+    return wantsLayer;
+}
+
 - (BOOL)shouldUseMetalLayer
 {
     // MetalSurface needs a layer, and so does VulkanSurface (via MoltenVK)
@@ -78,18 +123,6 @@
     return surfaceType == QWindow::MetalSurface || surfaceType == QWindow::VulkanSurface;
 }
 
-- (BOOL)wantsLayerHelper
-{
-    Q_ASSERT(m_platformWindow);
-
-    bool wantsLayer = qt_mac_resolveOption(true, m_platformWindow->window(),
-        "_q_mac_wantsLayer", "QT_MAC_WANTS_LAYER");
-
-    bool layerForSurfaceType = [self shouldUseMetalLayer];
-
-    return wantsLayer || layerForSurfaceType;
-}
-
 - (CALayer *)makeBackingLayer
 {
     if ([self shouldUseMetalLayer]) {
@@ -115,6 +148,14 @@
     return [super makeBackingLayer];
 }
 
+- (void)setLayer:(CALayer *)layer
+{
+    qCDebug(lcQpaDrawing) << "Making" << self << "layer-backed with" << layer
+        << "due to being" << ([self layerExplicitlyRequested] ? "explicitly requested"
+            : [self shouldUseMetalLayer] ? "needed by surface type" : "enabled by macOS");
+    [super setLayer:layer];
+}
+
 - (NSViewLayerContentsRedrawPolicy)layerContentsRedrawPolicy
 {
     // We need to set this explicitly since the super implementation

src/plugins/platforms/cocoa/qnswindow.mm

@@ -238,11 +238,7 @@ static bool isMouseEvent(NSEvent *ev)
 
 - (void)closeAndRelease
 {
-    qCDebug(lcQpaWindow) << "closeAndRelease" << self;
-
-    [self.delegate release];
-    self.delegate = nil;
-
+    qCDebug(lcQpaWindow) << "Closing and releasing" << self;
     [self close];
     [self release];
 }
@@ -251,7 +247,9 @@ static bool isMouseEvent(NSEvent *ev)
 #pragma clang diagnostic ignored "-Wobjc-missing-super-calls"
 - (void)dealloc
 {
-    qCDebug(lcQpaWindow) << "dealloc" << self;
+    qCDebug(lcQpaWindow) << "Deallocating" << self;
+    self.delegate = nil;
+
     qt_objcDynamicSuper();
 }
 #pragma clang diagnostic pop

src/plugins/platforms/cocoa/qnswindowdelegate.h

@@ -48,9 +48,6 @@ class QCocoaWindow;
 QT_END_NAMESPACE
 
 @interface QT_MANGLE_NAMESPACE(QNSWindowDelegate) : NSObject <NSWindowDelegate>
-
-- (instancetype)initWithQCocoaWindow:(QT_PREPEND_NAMESPACE(QCocoaWindow) *)cocoaWindow;
-
 @end
 
 QT_NAMESPACE_ALIAS_OBJC_CLASS(QNSWindowDelegate);

src/plugins/platforms/cocoa/qnswindowdelegate.mm

@@ -49,23 +49,17 @@
 
 static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
 
-@implementation QNSWindowDelegate {
-    QCocoaWindow *m_cocoaWindow;
+static QCocoaWindow *toPlatformWindow(NSWindow *window)
+{
+    return qnsview_cast(window.contentView).platformWindow;
 }
 
-- (instancetype)initWithQCocoaWindow:(QCocoaWindow *)cocoaWindow
-{
-    if ((self = [self init]))
-        m_cocoaWindow = cocoaWindow;
-    return self;
-}
+@implementation QNSWindowDelegate
 
-- (BOOL)windowShouldClose:(NSNotification *)notification
+- (BOOL)windowShouldClose:(NSWindow *)window
 {
-    Q_UNUSED(notification);
-    if (m_cocoaWindow) {
-        return m_cocoaWindow->windowShouldClose();
-    }
+    if (QCocoaWindow *platformWindow = toPlatformWindow(window))
+        return platformWindow->windowShouldClose();
 
     return YES;
 }
@@ -79,14 +73,16 @@ static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
 - (NSRect)windowWillUseStandardFrame:(NSWindow *)window defaultFrame:(NSRect)proposedFrame
 {
     Q_UNUSED(proposedFrame);
-    Q_ASSERT(window == m_cocoaWindow->nativeWindow());
-    const QWindow *w = m_cocoaWindow->window();
+
+    QCocoaWindow *platformWindow = toPlatformWindow(window);
+    Q_ASSERT(platformWindow);
+    const QWindow *w = platformWindow->window();
 
     // maximumSize() refers to the client size, but AppKit expects the full frame size
     QSizeF maximumSize = w->maximumSize() + QSize(0, w->frameMargins().top());
 
     // The window should never be larger than the current screen geometry
-    const QRectF screenGeometry = m_cocoaWindow->screen()->geometry();
+    const QRectF screenGeometry = platformWindow->screen()->geometry();
     maximumSize = maximumSize.boundedTo(screenGeometry.size());
 
     // Use the current frame position for the initial maximized frame,
@@ -113,6 +109,8 @@ static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
 - (NSSize)windowWillResize:(NSWindow *)window toSize:(NSSize)frameSize
 {
+    Q_ASSERT(toPlatformWindow(window));
+
     qCDebug(lcQpaWindow) << window << "will resize to" << QSizeF::fromCGSize(frameSize)
         << "- disabling screen updates temporarily";
 
@@ -131,6 +129,8 @@ static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
 - (void)windowDidResize:(NSNotification *)notification
 {
     NSWindow *window = notification.object;
+    Q_ASSERT(toPlatformWindow(window));
+
     qCDebug(lcQpaWindow) << window << "was resized - re-enabling screen updates";
     NSEnableScreenUpdates();
 }
@@ -138,23 +138,27 @@ static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*"));
 
 - (BOOL)window:(NSWindow *)window shouldPopUpDocumentPathMenu:(NSMenu *)menu
 {
-    Q_UNUSED(window);
     Q_UNUSED(menu);
 
+    QCocoaWindow *platformWindow = toPlatformWindow(window);
+    Q_ASSERT(platformWindow);
+
     // Only pop up document path if the filename is non-empty. We allow whitespace, to
     // allow faking a window icon by setting the file path to a single space character.
-    return !whitespaceRegex.exactMatch(m_cocoaWindow->window()->filePath());
+    return !whitespaceRegex.exactMatch(platformWindow->window()->filePath());
 }
 
 - (BOOL)window:(NSWindow *)window shouldDragDocumentWithEvent:(NSEvent *)event from:(NSPoint)dragImageLocation withPasteboard:(NSPasteboard *)pasteboard
 {
-    Q_UNUSED(window);
     Q_UNUSED(event);
     Q_UNUSED(dragImageLocation);
     Q_UNUSED(pasteboard);
 
+    QCocoaWindow *platformWindow = toPlatformWindow(window);
+    Q_ASSERT(platformWindow);
+
     // Only allow drag if the filename is non-empty. We allow whitespace, to
     // allow faking a window icon by setting the file path to a single space.
-    return !whitespaceRegex.exactMatch(m_cocoaWindow->window()->filePath());
+    return !whitespaceRegex.exactMatch(platformWindow->window()->filePath());
 }
 @end

src/plugins/platforms/eglfs/api/qeglfsintegration.cpp

@@ -198,6 +198,7 @@ QPlatformBackingStore *QEglFSIntegration::createPlatformBackingStore(QWindow *wi
     static_cast<QEglFSWindow *>(window->handle())->setBackingStore(bs);
     return bs;
 #else
+    Q_UNUSED(window);
     return nullptr;
 #endif
 }

src/plugins/platforms/eglfs/api/qeglfsscreen.cpp

@@ -183,6 +183,8 @@ void QEglFSScreen::handleCursorMove(const QPoint &pos)
 
     if (enter && leave)
         QWindowSystemInterface::handleEnterLeaveEvent(enter, leave, enter->mapFromGlobal(pos), pos);
+#else
+    Q_UNUSED(pos);
 #endif
 }
 
@@ -231,7 +233,13 @@ QPixmap QEglFSScreen::grabWindow(WId wid, int x, int y, int width, int height) c
             return QPixmap::fromImage(img).copy(rect);
         }
     }
-#endif // QT_NO_OPENGL
+#else // QT_NO_OPENGL
+    Q_UNUSED(wid);
+    Q_UNUSED(x);
+    Q_UNUSED(y);
+    Q_UNUSED(width);
+    Q_UNUSED(height);
+#endif
     return QPixmap();
 }
 

src/plugins/platforms/minimalegl/qminimaleglintegration.cpp

@@ -132,6 +132,7 @@ QPlatformBackingStore *QMinimalEglIntegration::createPlatformBackingStore(QWindo
 #ifndef QT_NO_OPENGL
     return new QMinimalEglBackingStore(window);
 #else
+    Q_UNUSED(window);
     return nullptr;
 #endif
 }

src/plugins/platforms/windows/qwindowsinputcontext.cpp

@@ -242,7 +242,18 @@ QRectF QWindowsInputContext::keyboardRect() const
 bool QWindowsInputContext::isInputPanelVisible() const
 {
     HWND hwnd = getVirtualKeyboardWindowHandle();
-    return hwnd && ::IsWindowEnabled(hwnd) && ::IsWindowVisible(hwnd);
+    if (hwnd && ::IsWindowEnabled(hwnd) && ::IsWindowVisible(hwnd))
+        return true;
+    // check if the Input Method Editor is open
+    if (inputMethodAccepted()) {
+        if (QWindow *window = QGuiApplication::focusWindow()) {
+            if (QWindowsWindow *platformWindow = QWindowsWindow::windowsWindowOf(window)) {
+                if (HIMC himc = ImmGetContext(platformWindow->handle()))
+                    return ImmGetOpenStatus(himc);
+            }
+        }
+    }
+    return false;
 }
 
 void QWindowsInputContext::showInputPanel()

src/plugins/platforms/windows/qwindowspointerhandler.cpp

@@ -336,6 +336,38 @@ static void getMouseEventInfo(UINT message, POINTER_BUTTON_CHANGE_TYPE changeTyp
     *mouseButton = buttonMapping.value(changeType, Qt::NoButton);
 }
 
+static Qt::MouseButtons mouseButtonsFromPointerFlags(POINTER_FLAGS pointerFlags)
+{
+    Qt::MouseButtons result = Qt::NoButton;
+    if (pointerFlags & POINTER_FLAG_FIRSTBUTTON)
+        result |= Qt::LeftButton;
+    if (pointerFlags & POINTER_FLAG_SECONDBUTTON)
+        result |= Qt::RightButton;
+    if (pointerFlags & POINTER_FLAG_THIRDBUTTON)
+        result |= Qt::MiddleButton;
+    if (pointerFlags & POINTER_FLAG_FOURTHBUTTON)
+        result |= Qt::XButton1;
+    if (pointerFlags & POINTER_FLAG_FIFTHBUTTON)
+        result |= Qt::XButton2;
+    return result;
+}
+
+static Qt::MouseButtons mouseButtonsFromKeyState(WPARAM keyState)
+{
+    Qt::MouseButtons result = Qt::NoButton;
+    if (keyState & MK_LBUTTON)
+        result |= Qt::LeftButton;
+    if (keyState & MK_RBUTTON)
+        result |= Qt::RightButton;
+    if (keyState & MK_MBUTTON)
+        result |= Qt::MiddleButton;
+    if (keyState & MK_XBUTTON1)
+        result |= Qt::XButton1;
+    if (keyState & MK_XBUTTON2)
+        result |= Qt::XButton2;
+    return result;
+}
+
 static QWindow *getWindowUnderPointer(QWindow *window, QPoint globalPos)
 {
     QWindow *currentWindowUnderPointer = QWindowsScreen::windowAt(globalPos, CWP_SKIPINVISIBLE | CWP_SKIPTRANSPARENT);
@@ -405,23 +437,6 @@ QTouchDevice *QWindowsPointerHandler::ensureTouchDevice()
     return m_touchDevice;
 }
 
-Qt::MouseButtons QWindowsPointerHandler::queryMouseButtons()
-{
-    Qt::MouseButtons result = 0;
-    const bool mouseSwapped = GetSystemMetrics(SM_SWAPBUTTON);
-    if (GetAsyncKeyState(VK_LBUTTON) < 0)
-        result |= mouseSwapped ? Qt::RightButton: Qt::LeftButton;
-    if (GetAsyncKeyState(VK_RBUTTON) < 0)
-        result |= mouseSwapped ? Qt::LeftButton : Qt::RightButton;
-    if (GetAsyncKeyState(VK_MBUTTON) < 0)
-        result |= Qt::MidButton;
-    if (GetAsyncKeyState(VK_XBUTTON1) < 0)
-        result |= Qt::XButton1;
-    if (GetAsyncKeyState(VK_XBUTTON2) < 0)
-        result |= Qt::XButton2;
-    return result;
-}
-
 bool QWindowsPointerHandler::translateMouseTouchPadEvent(QWindow *window, HWND hwnd,
                                                          QtWindows::WindowsEventType et,
                                                          MSG msg, PVOID vPointerInfo)
@@ -430,7 +445,7 @@ bool QWindowsPointerHandler::translateMouseTouchPadEvent(QWindow *window, HWND h
     const QPoint globalPos = QPoint(pointerInfo->ptPixelLocation.x, pointerInfo->ptPixelLocation.y);
     const QPoint localPos = QWindowsGeometryHint::mapFromGlobal(hwnd, globalPos);
     const Qt::KeyboardModifiers keyModifiers = QWindowsKeyMapper::queryKeyboardModifiers();
-    const Qt::MouseButtons mouseButtons = queryMouseButtons();
+    const Qt::MouseButtons mouseButtons = mouseButtonsFromPointerFlags(pointerInfo->pointerFlags);
 
     QWindow *currentWindowUnderPointer = getWindowUnderPointer(window, globalPos);
     QWindowsWindow *platformWindow = static_cast<QWindowsWindow *>(window->handle());
@@ -452,6 +467,11 @@ bool QWindowsPointerHandler::translateMouseTouchPadEvent(QWindow *window, HWND h
                                                                keyModifiers, Qt::MouseEventNotSynthesized);
             return false;  // To allow window dragging, etc.
         } else {
+            if (eventType == QEvent::MouseButtonPress) {
+                // Implement "Click to focus" for native child windows (unless it is a native widget window).
+                if (!window->isTopLevel() && !window->inherits("QWidgetWindow") && QGuiApplication::focusWindow() != window)
+                    window->requestActivate();
+            }
             if (currentWindowUnderPointer != m_windowUnderPointer) {
                 if (m_windowUnderPointer && m_windowUnderPointer == m_currentWindow) {
                     QWindowSystemInterface::handleLeaveEvent(m_windowUnderPointer);
@@ -609,6 +629,7 @@ bool QWindowsPointerHandler::translateTouchEvent(QWindow *window, HWND hwnd,
 bool QWindowsPointerHandler::translatePenEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et,
                                                MSG msg, PVOID vPenInfo)
 {
+#if QT_CONFIG(tabletevent)
     if (et & QtWindows::NonClientEventFlag)
         return false; // Let DefWindowProc() handle Non Client messages.
 
@@ -703,6 +724,14 @@ bool QWindowsPointerHandler::translatePenEvent(QWindow *window, HWND hwnd, QtWin
     }
     }
     return true;
+#else
+    Q_UNUSED(window);
+    Q_UNUSED(hwnd);
+    Q_UNUSED(et);
+    Q_UNUSED(msg);
+    Q_UNUSED(vPenInfo);
+    return false;
+#endif
 }
 
 // Process old-style mouse messages here.
@@ -788,7 +817,7 @@ bool QWindowsPointerHandler::translateMouseEvent(QWindow *window, HWND hwnd, QtW
         m_windowUnderPointer = currentWindowUnderPointer;
     }
 
-    const Qt::MouseButtons mouseButtons = queryMouseButtons();
+    const Qt::MouseButtons mouseButtons = mouseButtonsFromKeyState(msg.wParam);
 
     if (!discardEvent)
         QWindowSystemInterface::handleMouseEvent(window, localPos, globalPos, mouseButtons, Qt::NoButton, QEvent::MouseMove,

src/plugins/platforms/windows/qwindowspointerhandler.h

@@ -61,7 +61,6 @@ public:
     bool translateMouseEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, LRESULT *result);
     QTouchDevice *touchDevice() const { return m_touchDevice; }
     QTouchDevice *ensureTouchDevice();
-    Qt::MouseButtons queryMouseButtons();
     QWindow *windowUnderMouse() const { return m_windowUnderPointer.data(); }
     void clearWindowUnderMouse() { m_windowUnderPointer = nullptr; }