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Doing Asynchronous Programming in Python In this chapter, we will learn to use asynchronous programming in Python, which is how more than one task can be executed in parallel. We will be covering the following topics: Updating a progress bar using a thread Updating two progress bars using two threads Updating progress bars using threads bound with a locking mechanism Updating progress bars simultaneously using asynchronous operations M.. 2023. 2. 28.
Networking and Managing Large Documents In this chapter, we will learn how to use networking concepts and about how large documents can be viewed in chunks. We will cover the following topics: Creating a small browser Creating a server-side application Establishing client-server communication Creating a dockable and floatable sign-in form Multiple Document Interface Displaying information in sections using Tab Widget Creating a custom.. 2023. 2. 28.
Understanding Layouts 6 In this chapter, we will focus on the following topics: Using Horizontal Layout Using Vertical Layout Using Grid Layout Using Form Layout Understanding layouts As the name suggest, layouts are used for arranging widgets in the desired format. On arranging certain widgets in a layout, certain size and alignment constraints are applied to the widgets automatically. For example, on increasing the.. 2023. 2. 28.
Understanding Dialogs In this chapter, we will learn how to use the following types of dialog: The input dialog box Using the input dialog Using the color dialog Using the font dialog Using the file dialog Introduction Dialogs are required in all applications to get input from the user, and also to guide the user to enter the correct data. Interactive dialogs make the application quite user-friendly too. There are ba.. 2023. 2. 28.
Understanding OOP Concepts In this chapter, we will cover the following topics: Object-oriented programming Using classes in GUI Using single inheritance Using multilevel inheritance Using multiple inheritance Object-oriented programming Python supports object-oriented programming (OOP). OOP supports reusability; that is, code that was written earlier can be reused for making large applications, instead of starting from s.. 2023. 2. 28.
Working with Date and Time In this chapter, we will cover the following topics: Displaying LCD digits Displaying system clock time in LCD-like digits Displaying the data selected by the user from Calendar Widget Creating a hotel reservation form Displaying tabular data using Table Widget Displaying LCD digits Qt Designer enables us to display LCD-like digits of any size by making use of its LCD Number widget. The LCD Numb.. 2023. 2. 28.
Event Handling - Signals andSlots In this chapter, we will learn about the following topics: Using Signal/Slot Editor Copying and pasting text from one Line Edit widget to another Converting data types and making a small calculator Using the Spin Box widget Using scrollbars and sliders Using List Widget Selecting multiple list items from one List Widget and displaying them in another Adding items into List Widget Performing oper.. 2023. 2. 27.
Creating a User Interface with Qt Components Creating a User Interface with Qt Components In this chapter, we will learn to use the following widgets: Displaying a welcome message Using the Radio Button widget Grouping radio buttons Displaying options in the form of checkboxes Displaying two groups of checkboxes Dialogs are of the following two types: Modal: This dialog is one that blocks the user from interacting with other parts of the a.. 2023. 2. 27.
index Qt5 Python GUI Programming Cookbook The code bundle for the book is also hosted on GitHub at [https://github.com/PacktPublishing/Qt5-Python-GUI-Programming-Cookbook]. 2023. 2. 27.