An event, in general, is some change in state in discrete time that is induced by external or internal actions. An event action in Qt is an object that is inherited from the abstract QEvent
class, which is a notification of something significant that has happened. Events become more useful in creating custom widgets on our own. An event can happen either within an application or as a result of an outside activity that the application needs to know about. When an event occurs, Qt creates an event object and notifies the instance of a QObject
class or one of its subclasses through the event()
function. Events can be generated from both inside and outside the application. For instance, the QKeyEvent
and QMouseEvent
objects represent some kind of keyboard and mouse interaction, and they come from the window manager. The QTimerEvent
objects are sent to QObject
when one of its timers fires, and they usually come from the operating system. The QChildEvent
objects are sent to QObject...
Pyside GUI Application Development- Second Edition - Second Edition
By :
Pyside GUI Application Development- Second Edition - Second Edition
By:
Overview of this book
Elegantly-built GUI applications are always a massive hit among users. PySide is an open source software project that provides Python bindings for the Qt cross-platform UI framework. Combining the power of Qt and Python, PySide provides easy access to the Qt framework for Python developers and also acts as an excellent rapid application development platform.
This book will take you through everything you need to know to develop UI applications. You will learn about installing and building PySide in various major operating systems as well as the basics of GUI programming. The book will then move on to discuss event management, signals and slots, and the widgets and dialogs available with PySide. Database interaction and manipulation is also covered.
By the end of this book, you will be able to program GUI applications efficiently and master how to develop your own applications and how to run them across platforms.
Table of Contents (13 chapters)
PySide GUI Application Development Second Edition
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
Getting Started with PySide
Entering through Windows
Main Windows and Layout Management
Events and Signals
Dialogs and Widgets
Database Handling
Index
Customer Reviews