import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QWidget, QAction, QTableWidget, QTableWidgetItem, QVBoxLayout
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import pyqtSlot


class App(QWidget):

    def __init__(self):
        super().__init__()
        self.title = 'Tabliczka mnozenia'
        self.left = 0
        self.top = 0
        self.width = 1200
        self.height = 350
        self.initUI()

    def initUI(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)

        self.createTable()

        # Add box layout, add table to box layout and add box layout to widget
        self.layout = QVBoxLayout()
        self.layout.addWidget(self.tableWidget)
        self.setLayout(self.layout)

        # Show widget
        self.show()

    def createTable(self):
        # Create table
        self.tableWidget = QTableWidget()
        self.tableWidget.setRowCount(10)
        self.tableWidget.setColumnCount(10)
        self.tableWidget.move(0, 0)
        self.tabliczka()

        # table selection change
        self.tableWidget.doubleClicked.connect(self.on_click)

    def tabliczka(self):
        for x in range(10):
            for y in range(10):
                wynik = (x+1)*(y+1)
                self.tableWidget.setItem(x,y, QTableWidgetItem(str(wynik)))

    @pyqtSlot()
    def on_click(self):
        print("\n")
        for currentQTableWidgetItem in self.tableWidget.selectedItems():
            print(currentQTableWidgetItem.row(), currentQTableWidgetItem.column(), currentQTableWidgetItem.text())


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = App()
    sys.exit(app.exec_())