What determines the difference?

hslee_6560

Hi, I am a beginner, It could be silly question, but I didn't find the reason.
Please, any comments, Thank you.

I was following an qml-example.

The example code and my code are exactly the same, but I found a difference in output.

When resizing the window with a mouse, in the example the logs are logged via the onWidthChanged handler, but not in my code.

I checked code again even QtQuick version and debugger version.

Can you guess what makes this difference ?

------ code

Rectangle {
    id: root
    width: 320
    height: 440
    onWidthChanged: console.log('width changed : ' + width)
    onHeightChanged: console.log('height changed : ' + height)
}

aha_1980

Hi @hslee_6560,

can you show your code?

IntruderExcluder

There is not enugh code. But if your Rectangle doesn't attached to a root window via anchors or you have no any bindings to width/height property you will never get any changes when resizing window by mouse.
Working fine example:

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Hello World")

    Rectangle {
        anchors.centerIn: parent
        width:  parent.width * 0.5
        height: parent.height * 0.5
        onWidthChanged: console.log('width changed : ' + width)
        onHeightChanged: console.log('height changed : ' + height)
        color: "teal"
    }
}