Merge remote-tracking branch 'origin/5.13' into dev

 Conflicts:
	src/corelib/kernel/qobject.cpp
	src/corelib/kernel/qvariant.h
	src/corelib/tools/qlist.h

Done-With: Milian Wolff <milian.wolff@kdab.com>
Done-With: Allan Sandfeld Jensen <allan.jensen@qt.io>
Change-Id: I6803f7239aa137a51a7467fab7cc7a01302a848d

6 files changed, 47 insertions, 11 deletions

diff --git a/src/plugins/platforms/android/qandroidinputcontext.cpp b/src/plugins/platforms/android/qandroidinputcontext.cpp
index c31e43e0bb..00ab3409d3 100644
--- a/src/plugins/platforms/android/qandroidinputcontext.cpp
+++ b/src/plugins/platforms/android/qandroidinputcontext.cpp
@@ -978,15 +978,25 @@ jboolean QAndroidInputContext::deleteSurroundingText(jint leftLength, jint right
     m_composingText.clear();
     m_composingTextStart = -1;
 
-    QString text = query->value(Qt::ImSurroundingText).toString();
-    if (text.isEmpty())
-        return JNI_TRUE;
-
     if (leftLength < 0) {
         rightLength += -leftLength;
         leftLength = 0;
     }
 
+    QVariant textBeforeCursor = query->value(Qt::ImTextBeforeCursor);
+    QVariant textAfterCursor = query->value(Qt::ImTextAfterCursor);
+    if (textBeforeCursor.isValid() && textAfterCursor.isValid()) {
+        leftLength = qMin(leftLength, textBeforeCursor.toString().length());
+        rightLength = qMin(rightLength, textAfterCursor.toString().length());
+    } else {
+        int cursorPos = query->value(Qt::ImCursorPosition).toInt();
+        leftLength = qMin(leftLength, cursorPos);
+        rightLength = qMin(rightLength, query->value(Qt::ImSurroundingText).toString().length() - cursorPos);
+    }
+
+    if (leftLength == 0 && rightLength == 0)
+        return JNI_TRUE;
+
     QInputMethodEvent event;
     event.setCommitString(QString(), -leftLength, leftLength+rightLength);
     sendInputMethodEvent(&event);
@@ -1075,6 +1085,14 @@ const QAndroidInputContext::ExtractedText &QAndroidInputContext::getExtractedTex
     int cpos = localPos + composeLength; //actual cursor pos relative to the current block
 
     int localOffset = 0; // start of extracted text relative to the current block
+    if (blockPos > 0) {
+        QString prevBlockEnding = query->value(Qt::ImTextBeforeCursor).toString();
+        prevBlockEnding.chop(localPos);
+        if (prevBlockEnding.endsWith(QLatin1Char('\n'))) {
+            localOffset = -qMin(20, prevBlockEnding.length());
+            blockText = prevBlockEnding.right(-localOffset) + blockText;
+        }
+    }
 
     // It is documented that we should try to return hintMaxChars
     // characters, but that's not what the standard Android controls do, and
diff --git a/src/plugins/platforms/cocoa/qcocoasystemtrayicon.h b/src/plugins/platforms/cocoa/qcocoasystemtrayicon.h
index d831612c22..6779bda491 100644
--- a/src/plugins/platforms/cocoa/qcocoasystemtrayicon.h
+++ b/src/plugins/platforms/cocoa/qcocoasystemtrayicon.h
@@ -42,8 +42,9 @@
 #define QCOCOASYSTEMTRAYICON_P_H
 
 #include <QtCore/qglobal.h>
+#include <QtGui/qtguiglobal.h>
 
-#ifndef QT_NO_SYSTEMTRAYICON
+#if QT_CONFIG(systemtrayicon)
 
 #include "QtCore/qstring.h"
 #include "QtGui/qpa/qplatformsystemtrayicon.h"
diff --git a/src/plugins/platforms/cocoa/qnsview_dragging.mm b/src/plugins/platforms/cocoa/qnsview_dragging.mm
index 002cb3279e..37e972dba9 100644
--- a/src/plugins/platforms/cocoa/qnsview_dragging.mm
+++ b/src/plugins/platforms/cocoa/qnsview_dragging.mm
@@ -293,7 +293,26 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
     QCocoaDrag* nativeDrag = QCocoaIntegration::instance()->drag();
     nativeDrag->setAcceptedAction(qt_mac_mapNSDragOperation(operation));
 
+    // Qt starts drag-and-drop on a mouse button press event. Cococa in
+    // this case won't send the matching release event, so we have to
+    // synthesize it here.
     m_buttons = currentlyPressedMouseButtons();
+    const auto modifiers = [QNSView convertKeyModifiers:NSApp.currentEvent.modifierFlags];
+
+    NSPoint windowPoint = [self.window convertRectFromScreen:NSMakeRect(screenPoint.x, screenPoint.y, 1, 1)].origin;
+    NSPoint nsViewPoint = [self convertPoint: windowPoint fromView: nil];
+
+    QPoint qtWindowPoint(nsViewPoint.x, nsViewPoint.y);
+    QPoint qtScreenPoint = QCocoaScreen::mapFromNative(screenPoint).toPoint();
+
+    QWindowSystemInterface::handleMouseEvent(
+        target,
+        mapWindowCoordinates(m_platformWindow->window(), target, qtWindowPoint),
+        qtScreenPoint,
+        m_buttons,
+        Qt::NoButton,
+        QEvent::MouseButtonRelease,
+        modifiers);
 
     qCDebug(lcQpaMouse) << "Drag session" << session << "ended, with" << m_buttons;
 }
diff --git a/src/plugins/platforms/wasm/qtloader.js b/src/plugins/platforms/wasm/qtloader.js
index 2db7723ae2..4752a1dcee 100644
--- a/src/plugins/platforms/wasm/qtloader.js
+++ b/src/plugins/platforms/wasm/qtloader.js
@@ -404,7 +404,7 @@ function QtLoader(config)
         Module.preRun = Module.preRun || []
         Module.preRun.push(function() {
             for (var [key, value] of Object.entries(config.environment)) {
-                Module.ENV[key.toUpperCase()] = value;
+                ENV[key.toUpperCase()] = value;
             }
         });
 
diff --git a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
index c5c12e9f87..6a02a457a0 100644
--- a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
+++ b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
@@ -568,11 +568,8 @@ void QWasmEventTranslator::processMouse(int eventType, const EmscriptenMouseEven
     switch (eventType) {
     case EMSCRIPTEN_EVENT_MOUSEDOWN:
     {
-        if (window2) {
-            window2->raise();
-            if (!window2->isActive())
-                window2->requestActivate();
-        }
+        if (window2)
+            window2->requestActivate();
 
         pressedButtons.setFlag(button);
 
diff --git a/src/plugins/platforms/xcb/qxcbintegration.cpp b/src/plugins/platforms/xcb/qxcbintegration.cpp
index a70c7db923..95ca40fc95 100644
--- a/src/plugins/platforms/xcb/qxcbintegration.cpp
+++ b/src/plugins/platforms/xcb/qxcbintegration.cpp
@@ -550,6 +550,7 @@ void QXcbIntegration::beep() const
         return;
     xcb_connection_t *connection = static_cast<QXcbScreen *>(screen)->xcb_connection();
     xcb_bell(connection, 0);
+    xcb_flush(connection);
 }
 
 bool QXcbIntegration::nativePaintingEnabled() const