summaryrefslogtreecommitdiff
path: root/doc/snippets/qmlapp/usecases/animations.qml
blob: 52a29d41bc2c10d696a7aea2b4b2c0d1054f922c (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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

//![0]
import QtQuick

Item {

    width: 320
    height: 480

    Rectangle {
        color: "#272822"
        width: 320
        height: 480
    }

    Column {
        //![states]

        Item {
            id: container
            width: 320
            height: 120

            Rectangle {
                id: rect
                color: "red"
                width: 120
                height: 120

                TapHandler {
                    onTapped: container.state === '' ? container.state = 'other' : container.state = ''
                }
            }
            states: [
                // This adds a second state to the container where the rectangle is farther to the right

                State { name: "other"

                    PropertyChanges {
                        target: rect
                        x: 200
                    }
                }
            ]
            transitions: [
                // This adds a transition that defaults to applying to all state changes

                Transition {

                    // This applies a default NumberAnimation to any changes a state change makes to x or y properties
                    NumberAnimation { properties: "x,y" }
                }
            ]
        }
        //![states]
        //![behave]
        Item {
            width: 320
            height: 120

            Rectangle {
                color: "green"
                width: 120
                height: 120

                // This is the behavior, and it applies a NumberAnimation to any attempt to set the x property
                Behavior on x {

                    NumberAnimation {
                        //This specifies how long the animation takes
                        duration: 600
                        //This selects an easing curve to interpolate with, the default is Easing.Linear
                        easing.type: Easing.OutBounce
                    }
                }

                TapHandler {
                    onTapped: parent.x == 0 ? parent.x = 200 : parent.x = 0
                }
            }
        }
        //![behave]
        //![constant]
        Item {
            width: 320
            height: 120

            Rectangle {
                color: "blue"
                width: 120
                height: 120

                // By setting this SequentialAnimation on x, it and animations within it will automatically animate
                // the x property of this element
                SequentialAnimation on x {
                    id: xAnim
                    // Animations on properties start running by default
                    running: false
                    loops: Animation.Infinite // The animation is set to loop indefinitely
                    NumberAnimation { from: 0; to: 200; duration: 500; easing.type: Easing.InOutQuad }
                    NumberAnimation { from: 200; to: 0; duration: 500; easing.type: Easing.InOutQuad }
                    PauseAnimation { duration: 250 } // This puts a bit of time between the loop
                }

                TapHandler {
                    // The animation starts running when you click within the rectangle
                    onTapped: xAnim.running = true
                }
            }
        }
        //![constant]

        //![scripted]
        Item {
            width: 320
            height: 120

            Rectangle {
                id: rectangle
                color: "yellow"
                width: 120
                height: 120

                TapHandler {
                    // The animation starts running when you click within the rectangle
                    onTapped: anim.running = true;
                }
            }

            // This animation specifically targets the Rectangle's properties to animate
            SequentialAnimation {
                id: anim
                // Animations on their own are not running by default
                // The default number of loops is one, restart the animation to see it again

                NumberAnimation { target: rectangle; property: "x"; from: 0; to: 200; duration: 500 }

                NumberAnimation { target: rectangle; property: "x"; from: 200; to: 0; duration: 500 }
            }
        }
        //![scripted]
    }
}
//![0]