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import Qt 4.7
Item {
id: container
property variant scrollArea
property variant orientation: Qt.Vertical
opacity: 0
function position()
{
var ny = 0;
if (container.orientation == Qt.Vertical)
ny = scrollArea.visibleArea.yPosition * container.height;
else
ny = scrollArea.visibleArea.xPosition * container.width;
if (ny > 2) return ny; else return 2;
}
function size()
{
var nh, ny;
if (container.orientation == Qt.Vertical)
nh = scrollArea.visibleArea.heightRatio * container.height;
else
nh = scrollArea.visibleArea.widthRatio * container.width;
if (container.orientation == Qt.Vertical)
ny = scrollArea.visibleArea.yPosition * container.height;
else
ny = scrollArea.visibleArea.xPosition * container.width;
if (ny > 3) {
var t;
if (container.orientation == Qt.Vertical)
t = Math.ceil(container.height - 3 - ny);
else
t = Math.ceil(container.width - 3 - ny);
if (nh > t) return t; else return nh;
} else return nh + ny;
}
Rectangle { anchors.fill: parent; color: "Black"; opacity: 0.5 }
BorderImage {
source: "pics/scrollbar.png"
border { left: 1; right: 1; top: 1; bottom: 1 }
x: container.orientation == Qt.Vertical ? 2 : position()
width: container.orientation == Qt.Vertical ? container.width - 4 : size()
y: container.orientation == Qt.Vertical ? position() : 2
height: container.orientation == Qt.Vertical ? size() : container.height - 4
}
states: State {
name: "visible"
when: container.orientation == Qt.Vertical ? scrollArea.movingVertically : scrollArea.movingHorizontally
PropertyChanges { target: container; opacity: 1.0 }
}
transitions: Transition {
from: "visible"; to: ""
NumberAnimation { properties: "opacity"; duration: 600 }
}
}
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