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

Conflicts:
	src/gui/image/qpixmap.cpp
	src/widgets/kernel/qformlayout.cpp

Change-Id: I8a8391a202adf7f18464a22ddf0a6c4974eab692

4 files changed, 11 insertions, 2 deletions

diff --git a/src/widgets/widgets/qdockwidget.cpp b/src/widgets/widgets/qdockwidget.cpp
index 9e95d086bd..5059616870 100644
--- a/src/widgets/widgets/qdockwidget.cpp
+++ b/src/widgets/widgets/qdockwidget.cpp
@@ -1315,7 +1315,9 @@ QDockWidget::DockWidgetFeatures QDockWidget::features() const
 
     By default, this property is \c true.
 
-    \sa isWindow()
+    When this property changes, the \c {topLevelChanged()} signal is emitted.
+
+    \sa isWindow(), topLevelChanged()
 */
 void QDockWidget::setFloating(bool floating)
 {
diff --git a/src/widgets/widgets/qtextedit.cpp b/src/widgets/widgets/qtextedit.cpp
index af6d13a647..f354495e70 100644
--- a/src/widgets/widgets/qtextedit.cpp
+++ b/src/widgets/widgets/qtextedit.cpp
@@ -1514,7 +1514,7 @@ void QTextEditPrivate::paint(QPainter *p, QPaintEvent *e)
     if (layout)
         layout->setViewport(QRect());
 
-    if (!placeholderText.isEmpty() && doc->isEmpty()) {
+    if (!placeholderText.isEmpty() && doc->isEmpty() && !control->isPreediting()) {
         QColor col = control->palette().text().color();
         col.setAlpha(128);
         p->setPen(col);
diff --git a/src/widgets/widgets/qwidgettextcontrol.cpp b/src/widgets/widgets/qwidgettextcontrol.cpp
index d5ecb150a8..47806a194e 100644
--- a/src/widgets/widgets/qwidgettextcontrol.cpp
+++ b/src/widgets/widgets/qwidgettextcontrol.cpp
@@ -2584,6 +2584,11 @@ bool QWidgetTextControl::isWordSelectionEnabled() const
     return d->wordSelectionEnabled;
 }
 
+bool QWidgetTextControl::isPreediting()
+{
+    return d_func()->isPreediting();
+}
+
 #ifndef QT_NO_PRINTER
 void QWidgetTextControl::print(QPagedPaintDevice *printer) const
 {
diff --git a/src/widgets/widgets/qwidgettextcontrol_p.h b/src/widgets/widgets/qwidgettextcontrol_p.h
index e1687f83a3..b45f4fff74 100644
--- a/src/widgets/widgets/qwidgettextcontrol_p.h
+++ b/src/widgets/widgets/qwidgettextcontrol_p.h
@@ -173,6 +173,8 @@ public:
     bool isWordSelectionEnabled() const;
     void setWordSelectionEnabled(bool enabled);
 
+    bool isPreediting();
+
     void print(QPagedPaintDevice *printer) const;
 
     virtual int hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const;