add: fView->MakeFocus(true);
context: clsMainWindow::clsMainWindow(const char *uWindowTitle):	BWindow(		BRect(50, 50, 800, 650),		uWindowTitle,		B_TITLED_WINDOW_LOOK,		B_NORMAL_WINDOW_FEEL,		0	){	wind = this;	fView = new MyView(Bounds(), "emu", B_FOLLOW_ALL, B_WILL_DRAW);	AddChild(fView);}