blob: 698a9f6e16f834dd6dc005ace4bca2274bb0eb94 (
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
74
|
import Qt 4.7
Rectangle {
id: slider
width: background.width + label.width + gui.width/24; height: label.height
color: "Black"
property int minValue: 0
property int value: 50
property int maxValue: 100
property string text: "Slider"
signal changed
function toSlider(inputVal) {
return 2+(((inputVal-minValue)/(maxValue-minValue))*(background.width-knob.width-2));
}
function fromSlider(inputVal) {
return minValue+(((inputVal-2)/(background.width-knob.width-2))*(maxValue-minValue));
}
function startup () {
if ( slider.value < slider.minValue ) {
slider.value = slider.minValue;
}
if ( slider.value > slider.maxValue ) {
slider.value = slider.maxValue;
}
knob.x = toSlider(slider.value);
}
Component.onCompleted: startup();
Rectangle {
id: background
x: 20; width: gui.width/5; height: gui.height/24
gradient: Gradient {
GradientStop { position: 0.0; color: "steelblue" }
GradientStop { position: 1.0; color: "lightsteelblue" }
}
MouseArea {
anchors.fill: parent
onReleased: { knob.x=mouse.x-15; slider.value=Math.round(fromSlider(knob.x)); slider.changed(); }
}
radius: 8; opacity: 0.7
Rectangle {
id: knob
x: 2; y: 2; width: gui.width/26; height: gui.height/35
radius: 6
gradient: Gradient {
GradientStop { position: 0.0; color: "lightgray" }
GradientStop { position: 1.0; color: "gray" }
}
MouseArea {
anchors.fill: parent
drag.target: parent; drag.axis: "XAxis"; drag.minimumX: 2; drag.maximumX: background.width-knob.width
onPositionChanged: slider.value=Math.round(fromSlider(knob.x))
onReleased: slider.changed()
}
}
Text {
id: valueTxt; text: slider.value; color: "White"; font.pointSize: gui.height/32;
anchors.horizontalCenter: knob.horizontalCenter;
anchors.verticalCenter: knob.verticalCenter
}
}
Text {
id: label; text: slider.text; color: "White"; font.pointSize: gui.height/24;
anchors.left: background.right; anchors.leftMargin: gui.width/24;
anchors.verticalCenter: background.verticalCenter
}
}
|
