monero-gui/components/Scroll.qml

57 lines
1.5 KiB
QML

import QtQuick 2.0
Item {
id: scrollItem
property var flickable
width: 15
z: 1
function flickableContentYChanged() {
if(flickable === undefined)
return
var t = flickable.height - scroll.height
scroll.y = (flickable.contentY / (flickable.contentHeight - flickable.height)) * t
}
MouseArea {
id: scrollArea
anchors.fill: parent
hoverEnabled: true
}
Rectangle {
id: scroll
width: 15
height: {
var t = (flickable.height * flickable.height) / flickable.contentHeight
return t < 20 ? 20 : t
}
y: 0; x: 0
color: "#DBDBDB"
opacity: flickable.moving || handleArea.pressed || scrollArea.containsMouse ? 0.5 : 0
visible: flickable.contentHeight > flickable.height
Behavior on opacity {
NumberAnimation { duration: 100; easing.type: Easing.InQuad }
}
MouseArea {
id: handleArea
anchors.fill: parent
drag.target: scroll
drag.axis: Drag.YAxis
drag.minimumY: 0
drag.maximumY: flickable.height - height
propagateComposedEvents: true
onPositionChanged: {
if(!pressed) return
var dy = scroll.y / (flickable.height - scroll.height)
flickable.contentY = (flickable.contentHeight - flickable.height) * dy
}
}
}
}