Kontron KTAM3874-pITX - Manual (Page 257)

KTD-S0057-I Page 253 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
File Slider.qml (header with Qt
TM license see 'main.cpp'):
import QtQuick 1.0
Item
{
id:
slider
width: 400
height: 16
// value is read / write.
property real value: 1
onValueChanged: updatePos ()
property real maximum: 1
property real minimum: 1
property int xMax: width - handle.width - 4
onXMaxChanged: updatePos ()
onMinimumChanged: updatePos ()
function updatePos ()
{
if (maximum > minimum)
{
var pos = 2 + (value - minimum) * slider.xMax / (maximum - minimum)
pos = Math.min (pos, width - handle.width - 2)
pos = Math.max (pos, 2)
handle.x = pos
}
else
{
handle.x = 2
}
}
Rectangle
{
anchors.fill: parent
border.color: "white"
border.width: 0
radius: 8
gradient: Gradient
{
GradientStop
{
position: 0.0
color: "#66343434"
}
GradientStop
{
position: 1.0
color: "#66000000"
}
}
}