Merge remote-tracking branch 'origin/5.7' into 5.8

5971b88e is not needed in new configure.

This merge also reverts "fix QMAKE_DEFAULT_*DIRS resolution with
apple SDK", 2c9d15d7, because it breaks iOS build with new
configure system.

Conflicts:
	mkspecs/features/default_pre.prf
	mkspecs/features/mac/toolchain.prf
	mkspecs/features/toolchain.prf
	src/dbus/qdbusconnection.cpp
	src/plugins/sqldrivers/mysql/qsql_mysql.cpp
	src/sql/drivers/mysql/qsql_mysql.cpp
	src/widgets/widgets/qmenubar.cpp
	src/widgets/widgets/qmenubar_p.h
	tools/configure/configureapp.cpp
	tools/configure/environment.cpp
	tools/configure/environment.h

Change-Id: I995533dd334211ebd25912db05b639d6f908aaec

12 files changed, 48 insertions, 22 deletions

diff --git a/src/plugins/platforms/android/androidjnimain.cpp b/src/plugins/platforms/android/androidjnimain.cpp
index 677a2e2626..c79198d7fe 100644
--- a/src/plugins/platforms/android/androidjnimain.cpp
+++ b/src/plugins/platforms/android/androidjnimain.cpp
@@ -672,11 +672,6 @@ static void updateApplicationState(JNIEnv */*env*/, jobject /*thiz*/, jint state
         QAndroidEventDispatcherStopper::instance()->goingToStop(true);
         QCoreApplication::processEvents();
         QWindowSystemInterface::handleApplicationStateChanged(Qt::ApplicationState(state));
-        {
-            AndroidDeadlockProtector protector;
-            if (protector.acquire())
-                QWindowSystemInterface::flushWindowSystemEvents();
-        }
         if (state == Qt::ApplicationSuspended)
             QAndroidEventDispatcherStopper::instance()->stopAll();
     } else {
diff --git a/src/plugins/platforms/android/qandroidplatformwindow.cpp b/src/plugins/platforms/android/qandroidplatformwindow.cpp
index fa768e64d3..97a1f30a35 100644
--- a/src/plugins/platforms/android/qandroidplatformwindow.cpp
+++ b/src/plugins/platforms/android/qandroidplatformwindow.cpp
@@ -155,7 +155,7 @@ void QAndroidPlatformWindow::updateStatusBarVisibility()
     if (!isNonRegularWindow) {
         if (m_windowState & Qt::WindowFullScreen)
             QtAndroid::hideStatusBar();
-        else if (m_windowState & Qt::WindowMaximized)
+        else
             QtAndroid::showStatusBar();
     }
 }
diff --git a/src/plugins/platforms/ios/qiosmessagedialog.mm b/src/plugins/platforms/ios/qiosmessagedialog.mm
index ac04bf88e1..50d5442f17 100644
--- a/src/plugins/platforms/ios/qiosmessagedialog.mm
+++ b/src/plugins/platforms/ios/qiosmessagedialog.mm
@@ -108,7 +108,7 @@ bool QIOSMessageDialog::show(Qt::WindowFlags windowFlags, Qt::WindowModality win
     Q_UNUSED(windowFlags);
     if (m_alertController // Ensure that the dialog is not showing already
             || !options() // Some message dialogs don't have options (QErrorMessage)
-            || windowModality != Qt::ApplicationModal // We can only do app modal dialogs
+            || windowModality == Qt::NonModal // We can only do modal dialogs
             || QSysInfo::MacintoshVersion < QSysInfo::MV_IOS_8_0) // API limitation
         return false;
 
diff --git a/src/plugins/platforms/ios/qiostextinputoverlay.mm b/src/plugins/platforms/ios/qiostextinputoverlay.mm
index ff260d02dc..9d73a296fa 100644
--- a/src/plugins/platforms/ios/qiostextinputoverlay.mm
+++ b/src/plugins/platforms/ios/qiostextinputoverlay.mm
@@ -299,7 +299,11 @@ static void executeBlockWithoutAnimation(Block block)
 
 // -------------------------------------------------------------------------
 
+#if QT_IOS_PLATFORM_SDK_EQUAL_OR_ABOVE(__IPHONE_10_0)
+@interface QIOSHandleLayer : CALayer <CAAnimationDelegate> {
+#else
 @interface QIOSHandleLayer : CALayer {
+#endif
     CALayer *_handleCursorLayer;
     CALayer *_handleKnobLayer;
     Qt::Edge _selectionEdge;
diff --git a/src/plugins/platforms/qnx/qqnxintegration.cpp b/src/plugins/platforms/qnx/qqnxintegration.cpp
index 9d38742d6f..7229d7d2a8 100644
--- a/src/plugins/platforms/qnx/qqnxintegration.cpp
+++ b/src/plugins/platforms/qnx/qqnxintegration.cpp
@@ -112,7 +112,7 @@ static inline QQnxIntegration::Options parseOptions(const QStringList &paramList
         options |= QQnxIntegration::FullScreenApplication;
     }
 
-    if (!paramList.contains(QLatin1String("flush-screen-context"))) {
+    if (paramList.contains(QLatin1String("flush-screen-context"))) {
         options |= QQnxIntegration::AlwaysFlushScreenContext;
     }
 
diff --git a/src/plugins/platforms/qnx/qqnxscreen.h b/src/plugins/platforms/qnx/qqnxscreen.h
index 3fa511e6df..b7264d0973 100644
--- a/src/plugins/platforms/qnx/qqnxscreen.h
+++ b/src/plugins/platforms/qnx/qqnxscreen.h
@@ -49,6 +49,17 @@
 
 #include <screen/screen.h>
 
+// For pre-7.0 SDPs, map some screen property names to the old
+// names.
+#include <sys/neutrino.h>
+#if _NTO_VERSION < 700
+const int SCREEN_PROPERTY_FLAGS = SCREEN_PROPERTY_KEY_FLAGS;
+const int SCREEN_PROPERTY_FOCUS = SCREEN_PROPERTY_KEYBOARD_FOCUS;
+const int SCREEN_PROPERTY_MODIFIERS = SCREEN_PROPERTY_KEY_MODIFIERS;
+const int SCREEN_PROPERTY_SCAN = SCREEN_PROPERTY_KEY_SCAN;
+const int SCREEN_PROPERTY_SYM = SCREEN_PROPERTY_KEY_SYM;
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QQnxWindow;
diff --git a/src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp b/src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp
index 42651732c2..beda6e1a49 100644
--- a/src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp
+++ b/src/plugins/platforms/qnx/qqnxscreeneventhandler.cpp
@@ -239,20 +239,20 @@ void QQnxScreenEventHandler::handleKeyboardEvent(screen_event_t event)
 {
     // get flags of key event
     int flags;
-    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_FLAGS, &flags),
+    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_FLAGS, &flags),
                         "Failed to query event flags");
 
     // get key code
     int sym;
-    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SYM, &sym),
+    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_SYM, &sym),
                         "Failed to query event sym");
 
     int modifiers;
-    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_MODIFIERS, &modifiers),
+    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_MODIFIERS, &modifiers),
                         "Failed to query event modifieres");
 
     int scan;
-    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SCAN, &scan),
+    Q_SCREEN_CHECKERROR(screen_get_event_property_iv(event, SCREEN_PROPERTY_SCAN, &scan),
                         "Failed to query event scan");
 
     int cap;
@@ -594,7 +594,7 @@ void QQnxScreenEventHandler::handlePropertyEvent(screen_event_t event)
         qFatal("QQnx: failed to query window property, errno=%d", errno);
 
     switch (property) {
-    case SCREEN_PROPERTY_KEYBOARD_FOCUS:
+    case SCREEN_PROPERTY_FOCUS:
         handleKeyboardFocusPropertyEvent(window);
         break;
     default:
@@ -607,7 +607,7 @@ void QQnxScreenEventHandler::handleKeyboardFocusPropertyEvent(screen_window_t wi
 {
     errno = 0;
     int focus = 0;
-    if (Q_UNLIKELY(window && screen_get_window_property_iv(window, SCREEN_PROPERTY_KEYBOARD_FOCUS, &focus) != 0))
+    if (Q_UNLIKELY(window && screen_get_window_property_iv(window, SCREEN_PROPERTY_FOCUS, &focus) != 0))
         qFatal("QQnx: failed to query keyboard focus property, errno=%d", errno);
 
     QWindow *focusWindow = QQnxIntegration::window(window);
diff --git a/src/plugins/platforms/qnx/qqnxwindow.cpp b/src/plugins/platforms/qnx/qqnxwindow.cpp
index f4e6ca9804..7b3a5ec70c 100644
--- a/src/plugins/platforms/qnx/qqnxwindow.cpp
+++ b/src/plugins/platforms/qnx/qqnxwindow.cpp
@@ -581,7 +581,7 @@ void QQnxWindow::setFocus(screen_window_t newFocusWindow)
     screen_get_window_property_pv(nativeHandle(), SCREEN_PROPERTY_GROUP,
                                   reinterpret_cast<void**>(&screenGroup));
     if (screenGroup) {
-        screen_set_group_property_pv(screenGroup, SCREEN_PROPERTY_KEYBOARD_FOCUS,
+        screen_set_group_property_pv(screenGroup, SCREEN_PROPERTY_FOCUS,
                                  reinterpret_cast<void**>(&newFocusWindow));
     }
 }
diff --git a/src/plugins/platforms/winrt/qwinrtscreen.cpp b/src/plugins/platforms/winrt/qwinrtscreen.cpp
index 9236de58a1..e8e869c04f 100644
--- a/src/plugins/platforms/winrt/qwinrtscreen.cpp
+++ b/src/plugins/platforms/winrt/qwinrtscreen.cpp
@@ -828,7 +828,7 @@ void QWinRTScreen::addWindow(QWindow *window)
     }
 
     handleExpose();
-    QWindowSystemInterface::flushWindowSystemEvents();
+    QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
 
 #if _MSC_VER >= 1900 && !defined(QT_NO_DRAGANDDROP)
     QWinRTDrag::instance()->setDropTarget(window);
@@ -848,7 +848,7 @@ void QWinRTScreen::removeWindow(QWindow *window)
     if (wasTopWindow && type != Qt::Popup && type != Qt::ToolTip && type != Qt::Tool)
         QWindowSystemInterface::handleWindowActivated(Q_NULLPTR, Qt::OtherFocusReason);
     handleExpose();
-    QWindowSystemInterface::flushWindowSystemEvents();
+    QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
 #if _MSC_VER >= 1900 && !defined(QT_NO_DRAGANDDROP)
     if (wasTopWindow)
         QWinRTDrag::instance()->setDropTarget(topWindow());
@@ -1157,6 +1157,12 @@ HRESULT QWinRTScreen::onPointerUpdated(ICoreWindow *, IPointerEventArgs *args)
         properties->get_IsLeftButtonPressed(&isPressed); // IsInContact not reliable on phone
 #endif
 
+        // Devices like the Hololens set a static pressure of 0.5 independent
+        // of the pressed state. In those cases we need to synthesize the
+        // pressure value. To our knowledge this does not apply to pens
+        if (pointerDeviceType == PointerDeviceType_Touch && pressure == 0.5f)
+            pressure = isPressed ? 1. : 0.;
+
         const QRectF areaRect(area.X * d->scaleFactor, area.Y * d->scaleFactor,
                         area.Width * d->scaleFactor, area.Height * d->scaleFactor);
 
diff --git a/src/plugins/platforms/xcb/qxcbdrag.cpp b/src/plugins/platforms/xcb/qxcbdrag.cpp
index fbf3acc54b..4915bb1b11 100644
--- a/src/plugins/platforms/xcb/qxcbdrag.cpp
+++ b/src/plugins/platforms/xcb/qxcbdrag.cpp
@@ -992,6 +992,9 @@ void QXcbDrag::handleDrop(QPlatformWindow *, const xcb_client_message_event_t *e
     } else {
         dropData = platformDropData();
         supported_drop_actions = accepted_drop_action;
+
+        // Drop coming from another app? Update keyboard modifiers.
+        QGuiApplicationPrivate::modifier_buttons = QGuiApplication::queryKeyboardModifiers();
     }
 
     if (!dropData)
diff --git a/src/plugins/platforms/xcb/qxcbkeyboard.cpp b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
index 07932ceeb8..4c908359f3 100644
--- a/src/plugins/platforms/xcb/qxcbkeyboard.cpp
+++ b/src/plugins/platforms/xcb/qxcbkeyboard.cpp
@@ -1393,10 +1393,11 @@ void QXcbKeyboard::resolveMaskConflicts()
 class KeyChecker
 {
 public:
-    KeyChecker(xcb_window_t window, xcb_keycode_t code, xcb_timestamp_t time)
+    KeyChecker(xcb_window_t window, xcb_keycode_t code, xcb_timestamp_t time, quint16 state)
         : m_window(window)
         , m_code(code)
         , m_time(time)
+        , m_state(state)
         , m_error(false)
         , m_release(true)
     {
@@ -1413,7 +1414,7 @@ public:
 
         xcb_key_press_event_t *event = (xcb_key_press_event_t *)ev;
 
-        if (event->event != m_window || event->detail != m_code) {
+        if (event->event != m_window || event->detail != m_code || event->state != m_state) {
             m_error = true;
             return false;
         }
@@ -1441,6 +1442,7 @@ private:
     xcb_window_t m_window;
     xcb_keycode_t m_code;
     xcb_timestamp_t m_time;
+    quint16 m_state;
 
     bool m_error;
     bool m_release;
@@ -1505,7 +1507,7 @@ void QXcbKeyboard::handleKeyEvent(xcb_window_t sourceWindow, QEvent::Type type,
         }
     } else {
         // look ahead for auto-repeat
-        KeyChecker checker(source->xcb_window(), code, time);
+        KeyChecker checker(source->xcb_window(), code, time, state);
         xcb_generic_event_t *event = connection()->checkEvent(checker);
         if (event) {
             isAutoRepeat = true;
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 51390bfdae..c81858c408 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -2541,8 +2541,13 @@ void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *ev
 
             if (reply && reply->format == 32 && reply->type == atom(QXcbAtom::WM_STATE)) {
                 const quint32 *data = (const quint32 *)xcb_get_property_value(reply);
-                if (reply->length != 0 && XCB_WM_STATE_ICONIC == data[0])
-                    newState = Qt::WindowMinimized;
+                if (reply->length != 0) {
+                    if (data[0] == XCB_WM_STATE_ICONIC
+                            || (data[0] == XCB_WM_STATE_WITHDRAWN
+                                && m_lastWindowStateEvent == Qt::WindowMinimized)) {
+                        newState = Qt::WindowMinimized;
+                    }
+                }
             }
             free(reply);
         } else { // _NET_WM_STATE can't change minimized state