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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Device Utilities module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+import QtQuick 2.6
+import QtQuick.Enterprise.VirtualKeyboard 2.0
+
+Item {
+
+ property var innerFlickable
+ property var outerFlickable
+ property var inputItem: InputContext.inputItem
+
+ onInputItemChanged: {
+ innerFlickable = null
+ outerFlickable = null
+ if (inputItem !== null) {
+ 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) || !inputItem.hasOwnProperty("cursorRectangle"))
+ 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: inputItem && !Qt.inputMethod.animating ? Qt.inputMethod : null
+ onKeyboardRectangleChanged: delayedLoading.triggered()
+ }
+ Connections {
+ ignoreUnknownSignals: true
+ target: inputItem && inputItem.activeFocus ? inputItem : null
+ onCursorRectangleChanged: delayedLoading.triggered()
+ }
+}