PyQt: Accesing Main Window's Data from a dialog?
So, I'm using Python and PyQt. I have a Main Window that contains a QTableWidget, and a dialog that opens modally and has some QLineEdit widgets... All right so far, but I have 2 problems: When the dialog opens, my Main Window freezes, and I don't really like that... What I want, when I finish editing a QLineEdit, is that the program will search the QTableWidget, and if the text from the QLineEdit exists in the table, a dialog will come up and informe about that. That's the general idea. But, so far, I seem to only be able to create a new QTableWidget instance, and I can't use the data from