Fixed wrong current index when removing a widget from CDockAreaLayout

examples/deleteonclose/main.cpp

@@ -11,6 +11,7 @@ int main(int argc, char *argv[])
     QMainWindow w;
 
     ads::CDockManager::setConfigFlag(ads::CDockManager::FocusHighlighting, true);
+    ads::CDockManager::setConfigFlag(ads::CDockManager::AllTabsHaveCloseButton, true);
     auto dockManager = new ads::CDockManager(&w);
 
     QAction *action = new QAction("New Delete On Close", &w);

src/DockAreaWidget.cpp

@@ -136,6 +136,10 @@ public:
 			m_CurrentWidget = nullptr;
 			m_CurrentIndex = -1;
 		}
+		else if (indexOf(Widget) < m_CurrentIndex)
+		{
+			--m_CurrentIndex;
+		}
 		m_Widgets.removeOne(Widget);
 	}