21 connect (&mw, SIGNAL (signalZoom(
int)), mw.m_statusBar, SLOT (slotZoom(
int)));
22 connect (mw.m_statusBar, SIGNAL (signalZoom (
int)), &mw, SLOT (slotViewZoom (
int)));
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...