HYTOS

        """restore to default command when user press Escape key"""

        try:

            #print('main : ' + str(event.key()))

            if event.key() == Qt.Key_Escape:

                checked = self.checked_action()

                if checked:

                            if angle != item.angle:

                                return

                    enter_or_space = ' ' if modifiers == Qt.ControlModifier else ('\n' if modifiers != Qt.AltModifier else '')

                    x_or_y = 0 if (modifiers == Qt.ControlModifier and angle == 0) or (modifiers != Qt.ControlModifier and angle == 1.57) else 1

                # pop up development toolkit dialog

                from DevelopmentToolkitDialog import QDevelopmentToolkitDialog

                if modifiers == Qt.ControlModifier:

                    dlg = QDevelopmentToolkitDialog(self, self.graphicsView)

                    dlg.show()

                # insert symbol item that is selected symbol in tree to main window if symbol already selected on main window, replace

                index = self.symbolTreeWidget.currentIndex()

                proxy_model = self.symbolTreeWidget.model()

            elif event.key() == Qt.Key_Y and event.modifiers() & Qt.ControlModifier:

                #self._undo_stack.redo()

                pass

                self._undo_stack.push(RotateCommand(self, self.selectedItems()))

                self._undo_stack.push(FlipCommand(self, self.selectedItems()))

            super(QtImageViewerScene, self).keyPressEvent(event)

            self.loc[0] = self.loc[0] + delta

            #self.origin[0] = self.origin[0] + delta

            self.moveBy(delta, 0)

            from App import App 

            App.mainWnd().keyPressEvent(event)