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
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
Item {
id: rootItem
property var sourceItems: []
property Item fromItem
property Item toItem
property var effect
property int currentIndex: 0
property int previousIndex: 0
property real inAnimation: 0
readonly property real outAnimation: 1.0 - inAnimation
// Duration of switch animation, in ms
property int duration: 1500
property bool _initialized: false
onCurrentIndexChanged: {
fromItem = sourceItems[previousIndex];
toItem = sourceItems[currentIndex];
if (_initialized)
switchAnimation.restart();
previousIndex = currentIndex;
}
// Initialize the items and currentIndex
Timer {
running: true
interval: 0
onTriggered: {
fromItem = sourceItems[previousIndex];
toItem = sourceItems[currentIndex];
previousIndex = currentIndex;
_initialized = true;
}
}
SequentialAnimation {
id: switchAnimation
alwaysRunToEnd: true
NumberAnimation {
target: rootItem
property: "inAnimation"
from: 0
to: 1
duration: rootItem.duration
easing.type: Easing.InOutQuad
}
}
}
|
