![]() The connections defined are shown first below, and then the handlers covered in detail.įirst we connect all the numeric buttons to the same handler. To make the buttons do something we need to connect them up to specific handlers. If you want to edit the design in Qt Designer, remember to regenerate the MainWindow.py file using pyuic5 mainwindow.ui -o MainWindow.py. ![]() The actions for each button are defined in code and connected to this signal. Each button takes a single space on the grid, except for the equals sign which is set to span two squares.Įach button is defined with a keyboard shortcut to trigger a. We use the grid layout is used to position all the buttons for the calculator. The layout of the mainwindow uses a QVBoxLayout with the LCD display added to the top, and a QGridLayout to the bottom. The user interface for Calculon was created in Qt Designer. ![]() Read on for a walkthrough of how the code works. ![]()
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