blob: 4e2cfee6a9bf6136f157825a60c2404420821737 (
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the manual tests of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.7
Item {
id: root
property int value: 50
property int maximumValue: 99
property alias label: label.text
Rectangle {
id: slot
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.margins: 10
anchors.topMargin: 30
anchors.bottomMargin: 30
anchors.horizontalCenter: parent.horizontalCenter
width: 10
color: "black"
radius: width / 2
smooth: true
}
Rectangle {
// RectangularGlow is better, but that's a different module
id: glow
anchors.fill: knob
anchors.margins: -5
anchors.leftMargin: -2
anchors.horizontalCenterOffset: 1
radius: 5
color: "#4400FFFF"
opacity: ma.pressed ? 1 : 0
}
Image {
id: knob
source: "../resources/mixer-knob.png"
antialiasing: true
x: slot.x - width / 2 + slot.width / 2
height: root.width / 2
width: implicitWidth / implicitHeight * height
property bool programmatic: false
property real multiplier: root.maximumValue / (ma.drag.maximumY - ma.drag.minimumY)
onYChanged: if (!programmatic) root.value = root.maximumValue - (knob.y - ma.drag.minimumY) * multiplier
transformOrigin: Item.Center
function setValue(value) { knob.y = ma.drag.maximumY - value / knob.multiplier }
MouseArea {
id: ma
anchors.fill: parent
drag.target: parent
drag.minimumX: knob.x
drag.maximumX: knob.x
drag.minimumY: slot.y
drag.maximumY: slot.height + slot.y - knob.height
}
}
Text {
font.pointSize: 16
color: "red"
anchors.bottom: parent.bottom
anchors.horizontalCenter: parent.horizontalCenter
text: root.value
}
Text {
id: label
font.pointSize: 12
color: "red"
anchors.top: parent.top
anchors.topMargin: 5
anchors.horizontalCenter: parent.horizontalCenter
}
onHeightChanged: {
knob.programmatic = true
knob.setValue(root.value)
knob.programmatic = false
}
}
|
