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Details

Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: 4.8.5, 5.0.2
Affects Version/s: 4.8.4, 5.0.1
Component/s: (Inactive) QtQuick (version 1), QML: Declarative and Javascript Engine
Labels:
None

Description

MouseArea will currently grab the mouse if there is detects any drag along an enabled axis preventing nested mouse areas or flickables from recognizing drag gestures in opposite directions along the same axis.

If a mouse area is not going to respond to an initial drag because of limits a drag.minimumX or other it shouldn't grab the mouse, so that in the following example you can drag the blue rectangle around within the yellow, but if it's aligned with a boundary of the yellow rectangle and you drag in the direction of the boundary the yellow rectangle should be moved instead.

import QtQuick 2.0

Rectangle {
    width: 400
    height: 400

    MouseArea {
        id: outer
        objectName: "outer"
        x: 50
        y: 50
        width: 300
        height: 300

        drag.target: outer
        drag.filterChildren: true

        Rectangle {
            anchors.fill: parent
            color: "yellow"
        }

        MouseArea {
            id: inner
            objectName: "inner"

            x: 0
            y: 0
            width: 200
            height: 200

            drag.target: inner
            drag.minimumX: 0
            drag.maximumX: 100
            drag.minimumY: 0
            drag.maximumY: 100

            Rectangle {
                anchors.fill: parent
                color: "blue"
            }
        }
    }
}