Rename QGuiApplicationPrivate::notifyThemeChanged to handleThemeChanged

The work done by QGuiApplicationPrivate in response to a theme change
goes beyond notifying.

Change-Id: I27c74adf6549c553e659c7b8e271945ce753031c
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

src/gui/kernel/qguiapplication.cpp

@@ -2585,13 +2585,27 @@ void QGuiApplicationPrivate::processSafeAreaMarginsChangedEvent(QWindowSystemInt
 void QGuiApplicationPrivate::processThemeChanged(QWindowSystemInterfacePrivate::ThemeChangeEvent *tce)
 {
     if (self)
-        self->notifyThemeChanged();
+        self->handleThemeChanged();
     if (QWindow *window  = tce->window.data()) {
         QEvent e(QEvent::ThemeChange);
         QGuiApplication::sendSpontaneousEvent(window, &e);
     }
 }
 
+void QGuiApplicationPrivate::handleThemeChanged()
+{
+    updatePalette();
+
+    QAbstractFileIconProviderPrivate::clearIconTypeCache();
+
+    if (!(applicationResourceFlags & ApplicationFontExplicitlySet)) {
+        const auto locker = qt_scoped_lock(applicationFontMutex);
+        clearFontUnlocked();
+        initFontUnlocked();
+    }
+    initThemeHints();
+}
+
 void QGuiApplicationPrivate::processGeometryChangeEvent(QWindowSystemInterfacePrivate::GeometryChangeEvent *e)
 {
     if (e->window.isNull())
@@ -4198,20 +4212,6 @@ QPoint QGuiApplicationPrivate::QLastCursorPosition::toPoint() const noexcept
     return thePoint.toPoint();
 }
 
-void QGuiApplicationPrivate::notifyThemeChanged()
-{
-    updatePalette();
-
-    QAbstractFileIconProviderPrivate::clearIconTypeCache();
-
-    if (!(applicationResourceFlags & ApplicationFontExplicitlySet)) {
-        const auto locker = qt_scoped_lock(applicationFontMutex);
-        clearFontUnlocked();
-        initFontUnlocked();
-    }
-    initThemeHints();
-}
-
 #if QT_CONFIG(draganddrop)
 void QGuiApplicationPrivate::notifyDragStarted(const QDrag *drag)
 {

src/gui/kernel/qguiapplication_p.h

@@ -331,7 +331,7 @@ public:
     static void updatePalette();
 
 protected:
-    virtual void notifyThemeChanged();
+    virtual void handleThemeChanged();
 
     static bool setPalette(const QPalette &palette);
     virtual QPalette basePalette() const;

src/widgets/kernel/qapplication.cpp

@@ -4045,9 +4045,9 @@ void QApplicationPrivate::translateTouchCancel(const QPointingDevice *device, ul
     }
 }
 
-void QApplicationPrivate::notifyThemeChanged()
+void QApplicationPrivate::handleThemeChanged()
 {
-    QGuiApplicationPrivate::notifyThemeChanged();
+    QGuiApplicationPrivate::handleThemeChanged();
 
     qt_init_tooltip_palette();
 }

src/widgets/kernel/qapplication_p.h

@@ -165,7 +165,7 @@ public:
     static QStyle *app_style;
 
 protected:
-    void notifyThemeChanged() override;
+    void handleThemeChanged() override;
 
     QPalette basePalette() const override;
     void handlePaletteChanged(const char *className = nullptr) override;