Once every element has been renamed, the names of the widgets should be more or less like this: By default, the names of the widgets look like this: The names of each element appear on a widget on the right side of the interface. For that purpose, we will rename every element to something that makes more sense than "lineEdit1" or "comboBox2", so that we can know exactly what each element does in the future. Later, in our Python code, we will need to identify and use the different elements that have been added our window. If we run the program, we can preview how the window that we are designing will look like: The central part of the window is the current state of our window: Editing the UIīy dragging and dropping the elements on the left side of the editor, we can configure the application interface depending on our needs. More information about layouts can be found in this tutorial at ZetCode. Layouts are an important tool for making UIs that can preserve the desired aspect when the window is redimensioned. In this editor, we can configure our window as we wish, using the different Qt widgets available for that purpose. When we finish this configuration step, the program shows us the UI Editor, in the "Design" tab.
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When asked about the base class we would like to use (QMainWindow, QWidget or QDialog), we will select "QWidget". In order to create our interface, we will select "New Project", and then use the wizard tool to create a Qt Widget application. QtCreator is an Integrated Development Editor (IDE) that allow us to design graphical interfaces for our applications using a graphical interface, providing a more intuitive method for designing these interfaces. This UI will be used in the next steps in order to create our application. In this step we will create the UI using QtCreator.