File: ScrollIndicator.qml

package info (click to toggle)
qtwebkit-opensource-src 5.212.0~alpha4-30
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 126,360 kB
  • sloc: cpp: 1,399,204; javascript: 111,961; ansic: 29,742; perl: 19,510; python: 13,364; ruby: 10,299; xml: 9,342; asm: 5,078; yacc: 2,166; lex: 906; sh: 417; makefile: 34
file content (141 lines) | stat: -rw-r--r-- 4,443 bytes parent folder | download | duplicates (10)
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
/*
 * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import QtQuick 2.0

Item {
    id: root

    property Flickable flickableItem

    anchors {
        fill: flickableItem
        margins: 5
    }

    property bool __movingHorizontally: flickableItem ? flickableItem.movingHorizontally : false
    property bool __movingVertically: flickableItem ? flickableItem.movingVertically : false

    property real __viewWidth:  flickableItem ? flickableItem.width - (anchors.margins * 2) : 0
    property real __viewHeight:  flickableItem ? flickableItem.height - (anchors.margins * 2) : 0

    property int __hideTimeout: 800
    property real __indicatorSize: 5
    property real __indicatorBorder: 1

    Item {
        id: horizontalIndicator
        opacity: 0

        width: __viewWidth - __indicatorSize
        height: __indicatorSize

        anchors.bottom: root.bottom

        Rectangle {
            radius: 10
            color: "black"
            border.color: "gray"
            border.width: 1
            opacity: 0.5
            smooth: true

            width: flickableItem ? flickableItem.visibleArea.widthRatio * horizontalIndicator.width: 0;
            height: __indicatorSize

            x: flickableItem ? Math.min(parent.width - width, Math.max(0, flickableItem.visibleArea.xPosition * horizontalIndicator.width)) : 0;
            y: 0
        }

        states: [
            State {
                name: "show"
                when: __movingHorizontally
                PropertyChanges {
                    target: horizontalIndicator
                    opacity: 1
                }
            }
        ]

        transitions: [
            Transition {
                NumberAnimation {
                    target: horizontalIndicator
                    properties: "opacity"
                    duration: __hideTimeout
                }
            }
        ]
    }

    Item {
        id: verticalIndicator
        opacity: 0

        width: __indicatorSize
        height: __viewHeight - __indicatorSize

        anchors.right: root.right

        Rectangle {
            radius: 10
            color: "black"
            border.color: "gray"
            border.width: 1
            opacity: 0.5
            smooth: true;

            width: __indicatorSize
            height: flickableItem ? flickableItem.visibleArea.heightRatio * verticalIndicator.height : 0;

            x: 0
            y: flickableItem ? Math.min(parent.height - height, Math.max(0, flickableItem.visibleArea.yPosition * verticalIndicator.height)) : 0
        }

        states: [
            State {
                name: "show"
                when: __movingVertically
                PropertyChanges {
                    target: verticalIndicator
                    opacity: 1
                }
            }
        ]

        transitions: [
            Transition {
                NumberAnimation {
                    target: verticalIndicator
                    properties: "opacity"
                    duration: __hideTimeout
                }
            }
        ]
    }
}