Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Plugins/PlanEditor/dialog.h

@@ -0,0 +1,50 @@
+
+
+
+#pragma once
+
+
+#include <LtsWidgets/lts_dialog.h>
+
+#include <QtCore/QString>
+
+#include "plan_editor_export.h"
+
+
+namespace PlanEditor
+{
+class PLANEDITOR_EXPORT Dialog : public LtsWidgets::LtsDialog
+{
+  Q_OBJECT
+
+  public:
+
+    explicit Dialog( QWidget                        *parent
+                   , LtsWidgets::ButtonCombination   buttonCombination = LtsWidgets::ButtonCombination::CloseOnly
+                   , bool closeable                                    = true)
+      : LtsWidgets::LtsDialog(parent, buttonCombination, closeable), m_titleString(tr("Undefined Title"))
+    {
+      setUnchangeable();
+    } 
+
+    virtual ~Dialog() = default;
+
+    void setTitle( const QString &title ) { m_titleString = title; }
+
+    void retranslate() override;
+
+  signals:
+
+    void signalAboutToClose(); 
+
+  protected:
+  
+    void aboutToClose() override; 
+
+  private:
+
+    QString  m_titleString;
+
+}; 
+
+}