File: nullPropertyBinding.qml

package info (click to toggle)
qtdeclarative-opensource-src 5.15.8%2Bdfsg-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 259,256 kB
  • sloc: javascript: 512,396; cpp: 495,775; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 62; php: 27
file content (22 lines) | stat: -rw-r--r-- 441 bytes parent folder | download | duplicates (11) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
import QtQuick 2.12

Item {
    id: root

    width: 640
    height: 480

    property bool toggle: false
    property Item bound
    property string message: "defined"

    readonly property Item item: root.toggle ? root : null

    Binding { target: root; property: "bound"; value: item}

    function tog() {
        console.info(root.bound ? root.bound.message: "undefined")
        root.toggle = !root.toggle
        return 42;
    }
}