Nov 20, 2013 · Qt also supports QML-defined enum types since Qt version 5.10. As an alternative to the C++-based answer by air-dex, you can now also use QML to create enum types: Style.qml: import QtQuick 2.0 QtObject { enum EnStyle { STYLE_RADIAL, STYLE_ENVELOPE, STYLE_FILLED } }

Oct 26, 2014 · The imported QML file defines a type whose name is the same as the filename (capitalized, less the .qml suffix). QML calls the type a reuseable component. You use that type name to instantiate an object in the importing QML document (file.)

Since Qt 5.10, enumerations are directly supported in QML. See Qt documentation which contains sample code. You can define one with the enum keyword.

Feb 29, 2012 · For any C++ code to be called from QML, it must reside inside a QObject. What you need to do is create a QObject descended class with your function, register it to QML, instantiate it in your QML and call the function.

Dec 17, 2012 · For me, it was good enough use JSON.stringify() to compare QML elements. Of course, if two different elements have exactly the same properties and values, this would give you false positive. Of course, if two different elements have exactly the same properties and values, this would give you false positive.

Nov 4, 2016 · You don't communicate between qml files, the QML file is just a prototype, you communicate between the object instances. // Rect1.qml Rectangle { id: rect1 signal mySignal Button { onClicked: rect1.mySignal() } } // Rect2.qml Rectangle { // Rect1.qml property alias text: txt.text Text { id: txt } }

Jul 29, 2013 · The code can now be added to any QML object like this: ItemPositionTracker { trackedItem: rectGreen movedItem: rectBlue } Which makes rectBlue follow rectGreen.

I want to create a custom QML component with two properties one and two, which should have default values when left uninitialized. In particular, if two should get an initial value depeding on one. The following code. Rectangle { property int one: 1 property int two: 2 * one }

Apr 26, 2023 · You can use XMLHttpRequest to load both HTTP and FILE resources. In the following, if I declare data.json and place it in the same folder as my QML source file, I can use XMLHttpRequest with a relative reference to pick it up.

Apr 3, 2019 · QML is Qt Meta Language or Qt Modelling Language is a user interface markup language. QtQuick (both QtQuick 1.x and QtQuick 2.x) uses QML as a declarative language for designing user interface–centric applications. Back at Qt 5.2 when you built a Qt Quick Application a significant question was whether the app was QtQuick 1.x or a QtQuick 2.x.