I am trying to occupy all the width and height of my window with a QTable Widget for this I have:
#Mi layout
vboxLayout = QtWidgets.QVBoxLayout(self)
self.mainLayout = QtWidgets.QGridLayout()
vboxLayout.addLayout(self.mainLayout)
vboxLayout.addStretch()
#Tabla
self.table = QtWidgets.QTableView()
self.table.setObjectName("table")
self.tableWidget = QtWidgets.QTableWidget()
self.tableWidget.setObjectName("tableWidget")
#Layout
self.mainLayout.addWidget(self.tableWidget, 6, 0, 5, 7)
And what you see on the screen: