Gui: recreate NaviCubes of all 3D views

src/Gui/DlgSettingsNavigation.cpp

@@ -112,13 +112,20 @@ void DlgSettingsNavigation::saveSettings()
         "User parameter:BaseApp/Preferences/NaviCube");
     hGrp->SetASCII("FontString", ui->naviCubeFontName->currentText().toLatin1());
 
+    recreateNaviCubes();
+}
+
+void DlgSettingsNavigation::recreateNaviCubes()
+{
     // we changed the cube's layout, therefore we must re-initialize it
     // by deleting and the subsequently recreating
-    auto mdi = qobject_cast<View3DInventor*>(getMainWindow()->activeWindow());
-    if (mdi) {
-        auto currentView = mdi->getViewer();
-        currentView->deleteNavigationCube();
-        currentView->createNavigationCube();
+    auto views = getMainWindow()->windows();
+    for (auto view : views) {
+        if (auto view3d = qobject_cast<View3DInventor*>(view)) {
+            auto viewer = view3d->getViewer();
+            viewer->deleteNavigationCube();
+            viewer->createNavigationCube();
+        }
     }
 }
 

src/Gui/DlgSettingsNavigation.h

@@ -53,6 +53,7 @@ public:
 private:
     void onMouseButtonClicked();
     void onNewDocViewChanged(int);
+    void recreateNaviCubes();
 
 protected:
     void changeEvent(QEvent *e) override;