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//![0]
import Qt 4.7
Item {
id: toggleswitch
width: background.width; height: background.height
//![1]
property bool on: false
//![1]
//![2]
function toggle() {
if (toggleswitch.state == "on")
toggleswitch.state = "off";
else toggleswitch.state = "on";
}
//![2]
//![3]
function dorelease() {
if (knob.x == 1) {
if (toggleswitch.state == "off") return;
}
if (knob.x == 78) {
if (toggleswitch.state == "on") return;
}
toggle();
}
//![3]
//![4]
Image {
id: background; source: "background.svg"
MouseArea { anchors.fill: parent; onClicked: toggle() }
}
//![4]
//![5]
Image {
id: knob; source: "knob.svg"; x: 1; y: 2
MouseArea {
anchors.fill: parent
drag.target: knob; drag.axis: "XAxis"; drag.minimumX: 1; drag.maximumX: 78
onClicked: toggle()
onReleased: dorelease()
}
}
//![5]
//![6]
states: [
State {
name: "on"
PropertyChanges { target: knob; x: 78 }
PropertyChanges { target: toggleswitch; on: true }
},
State {
name: "off"
PropertyChanges { target: knob; x: 1 }
PropertyChanges { target: toggleswitch; on: false }
}
]
//![6]
//![7]
transitions: Transition {
NumberAnimation { properties: "x"; easing.type: "InOutQuad"; duration: 200 }
}
//![7]
}
//![0]
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