1 files changed, 17 insertions, 12 deletions

diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 8e01cb17c5..5264bbc581 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -767,7 +767,7 @@ QWidget *QApplication::activeModalWidget()
 
 /*!
     Cleans up any window system resources that were allocated by this
-    application. Sets the global variable \c qApp to 0.
+    application. Sets the global variable \c qApp to \nullptr.
 */
 
 QApplication::~QApplication()
@@ -876,8 +876,8 @@ void qt_cleanup()
 /*!
     \fn QWidget *QApplication::widgetAt(const QPoint &point)
 
-    Returns the widget at global screen position \a point, or 0 if there is no
-    Qt widget there.
+    Returns the widget at global screen position \a point, or \nullptr
+    if there is no Qt widget there.
 
     This function can be slow.
 
@@ -887,9 +887,9 @@ QWidget *QApplication::widgetAt(const QPoint &p)
 {
     QWidget *window = QApplication::topLevelAt(p);
     if (!window)
-        return 0;
+        return nullptr;
 
-    QWidget *child = 0;
+    QWidget *child = nullptr;
 
     if (!window->testAttribute(Qt::WA_TransparentForMouseEvents))
         child = window->childAt(window->mapFromGlobal(p));
@@ -925,8 +925,8 @@ QWidget *QApplication::widgetAt(const QPoint &p)
 
     \overload
 
-    Returns the widget at global screen position (\a x, \a y), or 0 if there is
-    no Qt widget there.
+    Returns the widget at global screen position (\a x, \a y), or
+    \nullptr if there is no Qt widget there.
 */
 
 /*!
@@ -1224,6 +1224,7 @@ QStyle* QApplication::setStyle(const QString& style)
     return s;
 }
 
+#if QT_DEPRECATED_SINCE(5, 8)
 /*!
     Returns the color specification.
     \obsolete
@@ -1298,6 +1299,7 @@ void QApplication::setColorSpec(int spec)
 {
     Q_UNUSED(spec)
 }
+#endif
 
 /*!
     \property QApplication::globalStrut
@@ -1409,6 +1411,7 @@ void QApplicationPrivate::setPalette_helper(const QPalette &palette, const char*
         else
             *QApplicationPrivate::set_pal = palette;
         QCoreApplication::setAttribute(Qt::AA_SetPalette);
+        emit qGuiApp->paletteChanged(*QGuiApplicationPrivate::app_pal);
     }
 }
 
@@ -1690,8 +1693,8 @@ QWidgetList QApplication::allWidgets()
 }
 
 /*!
-    Returns the application widget that has the keyboard input focus, or 0 if
-    no widget in this application has the focus.
+    Returns the application widget that has the keyboard input focus,
+    or \nullptr if no widget in this application has the focus.
 
     \sa QWidget::setFocus(), QWidget::hasFocus(), activeWindow(), focusChanged()
 */
@@ -1759,7 +1762,7 @@ void QApplicationPrivate::setFocusWidget(QWidget *focus, Qt::FocusReason reason)
 
 /*!
     Returns the application top-level window that has the keyboard input focus,
-    or 0 if no application window has the focus. There might be an
+    or \nullptr if no application window has the focus. There might be an
     activeWindow() even if there is no focusWidget(), for example if no widget
     in that window accepts key events.
 
@@ -1864,8 +1867,8 @@ void QApplication::aboutQt()
 
     This signal is emitted when the widget that has keyboard focus changed from
     \a old to \a now, i.e., because the user pressed the tab-key, clicked into
-    a widget or changed the active window. Both \a old and \a now can be the
-    null-pointer.
+    a widget or changed the active window. Both \a old and \a now can be \nullptr.
+
 
     The signal is emitted after both widget have been notified about the change
     through QFocusEvent.
@@ -3853,6 +3856,7 @@ Qt::NavigationMode QApplication::navigationMode()
     return QApplicationPrivate::navigationMode;
 }
 
+# if QT_DEPRECATED_SINCE(5, 13)
 /*!
     Sets whether Qt should use focus navigation suitable for use with a
     minimal keypad.
@@ -3895,6 +3899,7 @@ bool QApplication::keypadNavigationEnabled()
     return QApplicationPrivate::navigationMode == Qt::NavigationModeKeypadTabOrder ||
         QApplicationPrivate::navigationMode == Qt::NavigationModeKeypadDirectional;
 }
+# endif
 #endif
 
 /*!