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// import QtQuick 1.0 // to target S60 5th Edition or Maemo 5
import QtQuick 2.0
Item {
id: scrollbar
property variant target
clip: true
//anchors {top: target.top; bottom: target.bottom; right: target.right }
visible: (track.height == slider.height) ? false : true //TODO: !visible -> width: 0 (but creates a binding loop)
Timer {
property int scrollAmount
id: timer
repeat: true
interval: 20
onTriggered: {
target.contentY = Math.max(
0, Math.min(
target.contentY + scrollAmount,
target.contentHeight - target.height));
}
}
MouseArea {
anchors.fill: scrollbar
onPressed: {
timer.scrollAmount = target.height * (mouseY < slider.y ? -1 : 1) // scroll by a page
timer.running = true;
}
onReleased: {
timer.running = false;
}
}
Rectangle {
id: track
color: "red"
opacity: 0.3
radius: 2
smooth: true
anchors.top: scrollbar.top
anchors.bottom: scrollbar.bottom
anchors.horizontalCenter: scrollbar.horizontalCenter
width: 3
}
Rectangle {
id:slider
width: scrollbar.width
color: "red"
opacity: 0.7
radius: 4
smooth: true
height: Math.min(target.height / target.contentHeight * track.height, track.height)
y: target.visibleArea.yPosition * track.height
MouseArea {
anchors.fill: parent
drag.target: parent
drag.axis: Drag.YAxis
drag.minimumY: 0
drag.maximumY: track.height - height
onPositionChanged: {
if (pressedButtons == Qt.LeftButton) {
target.contentY = slider.y * target.contentHeight / track.height
}
}
}
}
}
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