Refactoring the new dialog manager module and fixed keyboard problem in Linux touch panel.

src/windows/MainWindow.h

@@ -37,6 +37,7 @@ public:
 
 public slots:
     void triggerError(const QString&);
+    void triggerInfo(const QPair<QString,unsigned int>&);
 
 protected:
     void changeEvent(QEvent* aEvent) override;
@@ -55,7 +56,6 @@ private:
 private:
     Ui::MainWindow* mUI;
     QDockWidget* mDebugConsoleWidget;
-    GUIMessageDialog* mMessageDialog;
     QTextEdit* mDebugMessageConsole;
     QTabWidget* mTabWidget;
     int mAdminTabIndex;