- Qt 6.12
- Qt Widgets Designer Manual
- Qt Widgets Designer C++ Classes
- Qt 6.12.0 Reference Documentation

# Qt Widgets Designer C++ Classes

Provides classes to create your own custom widget plugins for Qt Widgets Designer and classes to access Qt Widgets Designer components. More...

## Classes

QAbstractExtensionFactory | Interface for extension factories in Qt Widgets Designer
QAbstractExtensionManager | Interface for extension managers in Qt Widgets Designer
QAbstractFormBuilder | Default implementation for classes that create user interfaces at run-time
QDesignerActionEditorInterface | Allows you to change the focus of Qt Widgets Designer's action editor
QDesignerContainerExtension | Allows you to add pages to a custom multi-page container in Qt Widgets Designer's workspace
QDesignerCustomWidgetCollectionInterface | Allows you to include several custom widgets in one single library
QDesignerCustomWidgetInterface | Enables Qt Widgets Designer to access and construct custom widgets
QDesignerDynamicPropertySheetExtension | Allows you to manipulate a widget's dynamic properties in Qt Widgets Designer's property editor
QDesignerFormEditorInterface | Allows you to access Qt Widgets Designer's various components
QDesignerFormWindowCursorInterface | Allows you to query and modify a form window's widget selection, and in addition modify the properties of all the form's widgets
QDesignerFormWindowInterface | Allows you to query and manipulate form windows appearing in Qt Widgets Designer's workspace
QDesignerFormWindowManagerInterface | Allows you to manipulate the collection of form windows in Qt Widgets Designer, and control Qt Widgets Designer's form editing actions
QDesignerMemberSheetExtension | Allows you to manipulate a widget's member functions which is displayed when configuring connections using Qt Widgets Designer's mode for editing signals and slots
QDesignerObjectInspectorInterface | Allows you to change the focus of Qt Widgets Designer's object inspector
QDesignerPropertyEditorInterface | Allows you to query and manipulate the current state of Qt Widgets Designer's property editor
QDesignerPropertySheetExtension | Allows you to manipulate a widget's properties which is displayed in Qt Designer's property editor
QDesignerTaskMenuExtension | Allows you to add custom menu entries to Qt Widgets Designer's task menu
QDesignerWidgetBoxInterface | Allows you to control the contents of Qt Widgets Designer's widget box
QExtensionFactory | Allows you to create a factory that is able to make instances of custom extensions in Qt Designer
QExtensionManager | Extension management facilities for Qt Widgets Designer
QFormBuilder | Used to dynamically construct user interfaces from UI files at run-time

## Detailed Description

In addition, the QFormBuilder class provides the possibility of constructing user interfaces from UI files at run-time.