FlickableList.qml Example File
declarative-camera/FlickableList.qml
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import Qt 4.7
Item {
id: flickableList
clip: true
signal clicked
property alias delegate : repeater.delegate
property variant items: []
property int index: 0
property int itemWidth : flickableList.width
function scrollTo(id) {
var x = id*flickableList.itemWidth
if (flickArea.contentX != x) {
centeringAnimation.stop();
flickArea.newX = id*flickableList.itemWidth
centeringAnimation.start();
}
}
onIndexChanged: scrollTo(index)
onWidthChanged: scrollTo(index)
Flickable {
id: flickArea
property int newX: 0
MouseArea {
anchors.fill: parent
onClicked: {
var x = mapToItem(flickableList, mouseX, mouseY).x
if (x < flickableList.width/3) {
if (flickableList.index > 0)
flickableList.scrollTo(flickableList.index-1);
} else if (x > flickableList.width*2/3) {
if (flickableList.index < flickableList.items.length-1)
flickableList.scrollTo(flickableList.index+1);
} else {
flickableList.clicked()
}
}
}
PropertyAnimation {
id: centeringAnimation
target: flickArea
properties: "contentX"
easing.type: Easing.OutQuad
from: flickArea.contentX
to: flickArea.newX
onCompleted: {
flickableList.index = flickArea.newX / flickableList.itemWidth
}
}
onMovementStarted: {
centeringAnimation.stop();
}
onMovementEnded: {
var modulo = flickArea.contentX % flickableList.itemWidth;
var offset = flickableList.itemWidth / 2;
flickArea.newX = modulo < offset ? flickArea.contentX - modulo : flickArea.contentX + (flickableList.itemWidth - modulo);
centeringAnimation.start();
}
width: flickableList.width
height: flickableList.height
contentWidth: items.width
contentHeight: items.height
flickDeceleration: 4000
Row {
id: items
Repeater {
id: repeater
model: flickableList.items.length
}
}
}
}