blob: c7f1c24d33dcee04344a40e9fcc4579921f4c647 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
//![0]
import Qt 4.6
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"
MouseRegion { anchors.fill: parent; onClicked: toggle() }
}
//![4]
//![5]
Image {
id: knob; source: "knob.svg"; x: 1; y: 2
MouseRegion {
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: "easeInOutQuad"; duration: 200 }
}
//![7]
}
//![0]
|
