import QtQuick 2.0

MouseArea {
    property point origin
    property bool ready: false
    signal click();
    signal move(int x, int y)
    signal swipe(string direction)

    onPressed: {
        drag.axis = Drag.XAndYAxis
        origin = Qt.point(mouse.x, mouse.y)
    }

    onClicked: {
        canceled(mouse);
    }

    onPositionChanged: {
        switch (drag.axis) {
        case Drag.XAndYAxis:
            if (Math.abs(mouse.x - origin.x) > 16) {
                drag.axis = Drag.XAxis
            }
            else if (Math.abs(mouse.y - origin.y) > 16) {
                drag.axis = Drag.YAxis
            }
            break
        case Drag.XAxis:
            move(mouse.x - origin.x, 0)
            break
        case Drag.YAxis:
            move(0, mouse.y - origin.y)
            break
        }
    }

    onReleased: {
        if (Math.abs(mouse.x - origin.x) < 20 && Math.abs(mouse.y - origin.y < 20)) {
            click();
        } else {

            switch (drag.axis) {
            case Drag.XAndYAxis:
                canceled(mouse)
                break
            case Drag.XAxis:
                swipe(mouse.x - origin.x < 0 ? "left" : "right")
                break
            case Drag.YAxis:
                swipe(mouse.y - origin.y < 0 ? "up" : "down")
                break
            }
        }

    }
}