Qt Code: 
  1. #include <QtCore>
  2. #include <QtGui>
  3.  
  4. class Window: public QMainWindow
  5. {
  6. public:	
  7.   Window(void):QMainWindow()
  8.   {
  9.   		t=new QToolBar("Toolbar1",this);
  10.   		t->addAction(new QAction("Act1",this));
  11.   		t->addAction(new QAction("Act2",this));
  12.   		t->addAction(new QAction("Act3",this));
  13.   		addToolBar(t);
  14.  
  15.   		QSettings s("Trolltech","TestAPP");
  16.   		if(restoreState(s.value("MainWindowState").toByteArray()))
  17.   		{
  18.   			// creation of second toolbar depends on user interaction
  19.   			// for example second run
  20.   			t=new QToolBar("Toolbar2",this);
  21.   			t->addAction(new QAction("Act1",this));
  22.   			t->addAction(new QAction("Act2",this));
  23.   			t->addAction(new QAction("Act3",this));
  24.   			addToolBar(t);
  25.   		}
  26.  
  27.   }
  28.   ~Window(void)
  29.   {
  30. 	QSettings s("Trolltech","TestAPP");
  31. 	s.setValue("MainWindowState",saveState());	
  32.   }
  33. private:
  35. };
  36.  
  37.  
  38. int main(int argc, char *argv[])
  39. {
  40.   QApplication app(argc, argv);
  41.   Window window;
  42.   window.show();
  43.   return app.exec();
  44. }
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why toolbars layout differently when state restored and when i dont use state restore function?