How to convert QML to QWidgets .ui XML code?

Eager

As I am the fan of QML so I want to make a QtCreator plugin so that I may be able to write QWidgets ui in QML like code. QML is readable and takes less real-state.
My question is how can I convert the following QML like code to the following .ui XML code.
My proposed QML like code:

QWidget {
    name: "centralWidget"
    QPushButton {
        name: "pushButton"
        geometry: {
            x: 10
            y: 20
            width: 150
            height: 50
        }
        text: "Hello World!"
    }
}

.ui XML code:

  <widget class="QWidget" name="centralWidget">
   <widget class="QPushButton" name="pushButton">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>20</y>
      <width>150</width>
      <height>50</height>
     </rect>
    </property>
    <property name="text">
     <string>Hello World!</string>
    </property>
   </widget>
  </widget>
 </widget>

I would be thankful if someone point me to the right direction or provide me a sample code/library please!

mrjj

Hi
The QML format is very close to JSON syntax.
So if you use a relaxed parser like
https://hjson.org/
that accepts values with no "" then it should be able to parse most of it.
or have a look at
https://github.com/jesperhh/qmlfmt
to see if it can parse enough. ( and/or use it for the plugin to format the QML)
If you need full blown parsing, then you could look at
https://code.woboq.org/qt5/qtdeclarative/src/qml/parser/

For saving to UI format, you might have a look at
https://doc.qt.io/qt-5/qabstractformbuilder.html#save
https://doc.qt.io/qt-5/qformbuilder.html

However, thats for saving QWidgets runtime so might not be possible with QML objects.

So you might end up using a XML library.
https://doc.qt.io/qt-5/qtxml-index.html
https://pugixml.org/

to construct the UI files your self from the QML tree.

SGaist

Hi,

You might also want to check KDAB's DeclarativeWidgets project.

Eager

Went through proper lexical analysis and parsing approach.

sammtan

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