Qt is a cross-platform application development framework. Some of the well known applications developed with Qt are KDE, Opera, Google Earth, and Skype. Qt was first publicly released on May 1995. It is dual licensed. That means, it can be used for creating open source applications as well as commercial ones. Qt toolkit is a very powerful toolkit. Framework Add-Ons. Qt is an unbelievably comprehensive framework full of features beyond the essentials all designed to provide you with a truly professional development experience. Qt PDF. Displays PDF documents. Allows showing product documentation within the application. The QCa framework provides a Qt based C++ framework for easy CA access to EPICS data. It provides access to EPICS data at several levels from programmatic reading and writing of data using Qt's signals and slots through to EPICS aware Qt user interface plugins such as push buttons, sliders, and text widgets. • Rich, robust, intuitive, form @Marcus-Barnet setHTML() is a way to go. QPdfWriter operates as usual printer, difference is that it produces well formed PDF document. The way to do it is use QTextDocument::drawContents() method, like on the printer. You might need to take care of setting the resolution of the "printer" and so on (when you notice that image is scaled up/down, etc, my usual setting is 300dpi). Check out Qt Resource center for all your Qt resource and learning needs. Find webinars, use cases, tutorials, videos & more at resources.qt.io. The following diagram shows the QMainWindow framework: PyQt 7 . PyQt 8 The PyQt installer comes with a GUI builder tool called Qt Designer. Using its simple drag and Creation of a GUI interface using Qt Designer starts with choosing a top level window for the application. You can then drag and drop required widgets from the widget box on Qt is a cross-platform appli cation and UI framework. It includes a C++ class library and a cross-platform IDE. The QCa framework provides a Qt based C++ framework for easy CA access to EPICS data. It provides access to EPICS data at several levels from programmatic reading and writing of data, EPICS aware ii CONTENTS 9.2 _Field Class Reference. . . . . . . . . . . . . . . . . . . . . . . . .40 9.3 _Item Class Reference. . . . . . . . . . . . . . . . . . . . . . . . .41 Go to File — New File or Project menu entry Choose Qt Gui Application and choose a name for it: Enter a project name, "qt-tutorial-01", say. Select one or more versions of Qt to target. A desktop build is fine for this tutorial. Select the base class to be QWidget (leave the class name as Widget which is the default). During this section, we provide chapters demonstrating how to use the various concepts such as Model View, Qt Quick Controls, Shader and Particle Effects, Multimedia, Networking, Storage, and so on. Each chapter demonstrates the possibilities (breadth) of each concept and how to control the details (depth). A book about Qt6 Get Started Cross Platform Its cross-platform nature, allowing users to deploy their applications to all desktop, mobile and embedded platforms using one technology and from a single code base Scalable Its scalability from low-end, single-purpose devices to high-end complex desktop applications or connected system World-class APIs Accompanied with Qt—a cross-platform application and UI framework — MeeGo is now the target platform for Qt-based applications. This hands-on guide walks you through a series of examples to teach you how to make great devices