Qt Documentation

Qt for MCUs 1.4
Qt Quick Ultralite QML Types

All C++ Classes Qt Quick Ultralite Extras

C

Qt Quick Ultralite QML Types

The Qt Quick Ultralite module provides graphical primitive types. These types are only available in a QML document if that document imports the QtQuick namespace.

To use the QtQuick QML types, link your application to the Qul::QuickUltralite CMake target:

target_link_libraries(app Qul::QuickUltralite)

And add the following import statement to your .qml file:

import QtQuick 2.15

For information about QML applications in general, see the Qt documentation on QML Applications and the QML Reference.

Since version 1.3, the QtQuick module offered by Qt Quick Ultralite is source-compatible with Qt's QtQuick module.

Submodules

Qt Quick Ultralite has submodules that offer additional types.

Controls - provides a set of reusable UI components
Charts - provides components for creating charts

Basic Types

There are a number of basic types that are supported by default in the QML language.

In addition, the QtQuick import provides the following basic types:

color

ARGB color value

Other basic types

In later Qt Quick Ultralite releases, the QML basic types are planned to be supported as follows:

A QML basic type	Support status
var	Currently supported only in script expressions.
list	Not supported
url	Not supported

Object Types

AnchorChanges	Specifies how to change the anchors of an item in a state
Animation	Is the base of all QML animations
Behavior	Defines a default animation for a property change
BorderImage	Paints a border based on an image
ColorAnimation	Animates changes in color values
Column	Positions its children in a column
Component	Encapsulates a QML component definition
Flickable	Provides a surface that can be "flicked"
Image	Displays an image
Item	A basic visual QML type
KeyEvent	Provides information about a key event
Keys	Provides key handling to Items
ListElement	Defines a data item in a ListModel
ListModel	Defines a free-form list data source
ListView	Provides a list view of items provided by a model
MouseArea	Enables simple touch handling
MouseEvent	Provides information about a touch event
NumberAnimation	Animates changes in qreal-type values
ParallelAnimation	Enables animations to be run in parallel
PauseAnimation	Provides a pause for an animation
PropertyAnimation	Animates changes in property values
PropertyChanges	Describes new property bindings or values for a state
Qt	Provides a global object with useful enums and functions from Qt
QtObject	A basic QML type
QulPerf	Holds information about application performance
Rectangle	Paints a filled rectangle with optionally rounded corners
Repeater	Instantiates a number of Item-based components using a provided model
Rotation	Provides a way to rotate an item
RotationAnimation	Animates changes in rotation values
Row	Positions its children in a row
Scale	Provides a way to scale an item
ScriptAction	Defines scripts to be run during an animation
SequentialAnimation	Allows animations to be run sequentially
State	Defines configurations of objects and properties
Text	Specifies how to add text to a scene
Timer	Triggers a handler at a specified interval
Transform	For specifying advanced transformations on Image, Text, and StaticText
Transition	Defines animated transitions that occur on state changes
Translate	Provides a way to move an item without changing its x or y properties