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Details

Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: 5.6.0 RC
Affects Version/s: 5.6.0 Alpha
Component/s: Quick: Controls 2
Labels:
None

Commits:
4f2251caa995cab6b5231580b7b4c7e3be55ba14

Description

When tabs created dynamically by Repeater (by adding items into model), TabBar cannot set proper width for them. On adding tabs I also see this warning:
QQuickItem::stackAfter: Cannot stack after 0x27c9a50, which must be a sibling

I also only see newly added items when I set them as current. If remove line, that set added tab as current, this tab not even displayed.

Also, if I uncomment code that defines second ListItem in tab model, on adding new tabs I see the following warnings:
file:///mnt/store/Development/qt5.6_git/qml/Qt/labs/controls/TabBar.qml:52:18: QML ListView: Binding loop detected for property "currentIndex"

import QtQuick 2.5
import QtQuick.Layouts 1.1
import Qt.labs.controls 1.0

ApplicationWindow {
    visible: true
    width: 640
    height: 300

    ListModel {
        id: tabModel

        ListElement {
            text: "Test 0"
        }
//        ListElement {
//            text: "Test 1"
//        }
    }

    ColumnLayout {
        anchors.fill: parent

        TabBar {
            id: tabBar

            Layout.fillHeight: false
            Layout.fillWidth: true

            Repeater {
                model: tabModel
                delegate: TabButton {
                    text: model.text
                }
            }
        }

        Item {
            Layout.fillHeight: true
            Layout.fillWidth: true
        }

        Button {
            Layout.fillHeight: false
            Layout.fillWidth: false
            Layout.alignment: Qt.AlignHCenter
            text: "Add"
            onClicked: {
                tabModel.append({ "text": "Test new" })
                tabBar.currentIndex = tabModel.count - 1
            }
        }
    }
}