no need for QPointer, we deregister this in destructor

apps/lib/katemdi.cpp

@@ -1361,7 +1361,8 @@ ToolView *MainWindow::createToolView(KTextEditor::Plugin *plugin,
                                      const QIcon &icon,
                                      const QString &text)
 {
-    if (m_idToWidget[identifier]) {
+    // clashing names are not allowed
+    if (toolView(identifier)) {
         return nullptr;
     }
 

apps/lib/katemdi.h

@@ -590,12 +590,12 @@ private:
     /**
      * map identifiers to widgets
      */
-    std::map<QString, QPointer<ToolView>> m_idToWidget;
+    std::map<QString, ToolView *> m_idToWidget;
 
     /**
      * list of all toolviews around
      */
-    std::vector<QPointer<ToolView>> m_toolviews;
+    std::vector<ToolView *> m_toolviews;
 
     /**
      * widget, which is the central part of the