refresh form after adding a widget

[cyrille]

Hello everyone,

I'm trying to add a QGLWidget inside a QMainWindow, after the first "show()".

The code looks like that :

_window = new QMainWindow;    
_ui.setupUi(_window);
createActions();
_window->show();

_window = new QMainWindow;    
_ui.setupUi(_window);
createActions();
_window->show();

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and inside a slot (when I push a button) :

myGLWidget *glwidget=new myGLWidget(_ui.centralwidget);
glwidget->setGeometry(QRect(20, 200, 660, 680));

myGLWidget *glwidget=new myGLWidget(_ui.centralwidget);
glwidget->setGeometry(QRect(20, 200, 660, 680));

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when, I put the myGLWidget before _window->show(), the widget is displayed, but, when inside the slot, it is like nothing appened...

-> Is there a method (show, refresh, update.. ?) to force my QGLWidget to show itself?

Cyrille