aboutsummaryrefslogtreecommitdiffstats
path: root/examples/quick/customitems/scrollbar/main.qml
blob: 79c93474a9a45b7368ce2e52fd60015ee6295b3d (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
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * 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.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "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 THE COPYRIGHT
** OWNER 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.0

Rectangle {
    width: 640
    height: 480

    // Create a flickable to view a large image.
    Flickable {
        id: view
        anchors.fill: parent
        contentWidth: picture.width
        contentHeight: picture.height

        Image {
            id: picture
            source: "pics/niagara_falls.jpg"
            asynchronous: true
        }

        // Only show the scrollbars when the view is moving.
        states: State {
            name: "ShowBars"
            when: view.movingVertically || view.movingHorizontally
            PropertyChanges { target: verticalScrollBar; opacity: 1 }
            PropertyChanges { target: horizontalScrollBar; opacity: 1 }
        }

        transitions: Transition {
            NumberAnimation { properties: "opacity"; duration: 400 }
        }
    }

    // Attach scrollbars to the right and bottom edges of the view.
    ScrollBar {
        id: verticalScrollBar
        width: 12; height: view.height-12
        anchors.right: view.right
        opacity: 0
        orientation: Qt.Vertical
        position: view.visibleArea.yPosition
        pageSize: view.visibleArea.heightRatio
    }

    ScrollBar {
        id: horizontalScrollBar
        width: view.width-12; height: 12
        anchors.bottom: view.bottom
        opacity: 0
        orientation: Qt.Horizontal
        position: view.visibleArea.xPosition
        pageSize: view.visibleArea.widthRatio
    }
}