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
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 Nokia Corporation and its Subsidiary(-ies) 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
import Boot2Qt.InputContext 1.0
Item {
property var innerFlickable
property var outerFlickable
property var inputItem: Qt.inputMethod.inputItem
onInputItemChanged: {
if (inputItem) {
var parent_ = inputItem.parent
while (parent_) {
if (parent_.maximumFlickVelocity) {
if (innerFlickable) {
outerFlickable = parent_
break
} else {
innerFlickable = parent_
}
}
parent_ = parent_.parent
}
delayedLoading.triggered()
}
}
function ensureVisible(flickable) {
if (Qt.inputMethod.visible && inputItem && flickable && flickable.visible && flickable.interactive) {
var verticallyFlickable = (flickable.flickableDirection == Flickable.HorizontalAndVerticalFlick || flickable.flickableDirection == Flickable.VerticalFlick
|| (flickable.flickableDirection == Flickable.AutoFlickDirection && flickable.contentHeight > flickable.height))
var horizontallyFlickable = (flickable.flickableDirection == Flickable.HorizontalAndVerticalFlick || flickable.flickableDirection == Flickable.HorizontalFlick
|| (flickable.flickableDirection == Flickable.AutoFlickDirection && flickable.contentWidth > flickable.width))
if (!verticallyFlickable && !horizontallyFlickable)
return
var cursorRectangle = flickable.contentItem.mapFromItem(inputItem, inputItem.cursorRectangle.x, inputItem.cursorRectangle.y)
var oldContentY = flickable.contentY
if (verticallyFlickable) {
var scrollMarginVertical = (flickable && flickable.scrollMarginVertical) ? flickable.scrollMarginVertical : 10
if (flickable.contentY >= cursorRectangle.y - scrollMarginVertical)
flickable.contentY = Math.max(0, cursorRectangle.y - scrollMarginVertical)
else if (flickable.contentY + flickable.height <= cursorRectangle.y + inputItem.cursorRectangle.height + scrollMarginVertical)
flickable.contentY = Math.min(flickable.contentHeight - flickable.height, cursorRectangle.y + inputItem.cursorRectangle.height - flickable.height + scrollMarginVertical)
}
if (horizontallyFlickable) {
var scrollMarginHorizontal = (flickable && flickable.scrollMarginHorizontal) ? flickable.scrollMarginHorizontal : 10
if (flickable.contentX >= cursorRectangle.x - scrollMarginHorizontal)
flickable.contentX = Math.max(0, cursorRectangle.x - scrollMarginHorizontal)
else if (flickable.contentX + flickable.width <= cursorRectangle.x + inputItem.cursorRectangle.width + scrollMarginHorizontal)
flickable.contentX = Math.min(flickable.contentWidth - flickable.width, cursorRectangle.x + inputItem.cursorRectangle.width - flickable.width + scrollMarginHorizontal)
}
}
}
Timer {
id: delayedLoading
interval: 10
onTriggered: {
ensureVisible(innerFlickable)
ensureVisible(outerFlickable)
}
}
Connections {
ignoreUnknownSignals: true
target: Qt.inputMethod.inputItem && Qt.inputMethod.animating ? Qt.inputMethod : null
onKeyboardRectangleChanged: delayedLoading.triggered()
}
Connections {
ignoreUnknownSignals: true
target: Qt.inputMethod.inputItem && Qt.inputMethod.inputItem.activeFocus ? Qt.inputMethod.inputItem : null
onCursorRectangleChanged: delayedLoading.triggered()
}
}
|
