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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc 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
+
+Rectangle {
+ property bool active: activeKey != null
+ property string keys
+ property int primaryKeyCode
+ property var activeKey: null
+ property real keyWidth: 36
+ property real keyMargin: 5
+
+ z: 1
+ radius: 4
+ height: 60
+ parent: keyboard
+ visible: active
+ width: keyRow.width
+
+ signal clicked
+
+ onClicked: {
+ if (active)
+ inputEngine.sendKeyRelease(primaryKeyCode,
+ keyboard.uppercased ? activeKey.text.toUpperCase() : activeKey.text,
+ keyboard.uppercased ? Qt.ShiftModifier : 0)
+ }
+
+ function open(key) {
+ keys = key.alternativeKeys
+ primaryKeyCode = key.key
+ if (keys.length > 0) {
+ var position = keyboard.mapFromItem(key, 0, -23)
+ var primaryKeyIndex = 0
+ while (primaryKeyIndex < keys.length) {
+ if (keys.charAt(primaryKeyIndex) == key.text) {
+ break
+ }
+ primaryKeyIndex++
+ }
+ if (primaryKeyIndex == keys.length) {
+ console.log("AlternativeKeys: active key \"" + key.text + "\" not found in alternativeKeys \"" + keys + ".\"")
+ primaryKeyIndex = 0
+ }
+ x = Math.min(Math.max(keyMargin, position.x-primaryKeyIndex*keyWidth+(key.width-keyWidth)/2-1), keyboard.width-width-keyMargin)
+ y = Math.min(position.y-height+keyMargin, keyboard.height-height-keyMargin)
+ activeKey = keyRow.children[primaryKeyIndex]
+ arrow.x = mapFromItem(key, key.width/2, 0).x - arrow.width/2
+ }
+ }
+ function close() {
+ activeKey = null
+ }
+ function move(mouseX) {
+ var oldKey = activeKey
+ activeKey = keyRow.children[Math.max(0, Math.min(keys.length-1, Math.floor((mouseX-keyRow.x-x)/keyWidth)))]
+ }
+
+ Image {
+ id: arrow
+ source: "../images/arrow.png"
+ anchors.top: parent.bottom
+ }
+ Row {
+ id: keyRow
+ anchors.centerIn: parent
+ Repeater {
+ model: keys.length
+ Text {
+ id: key
+ color: activeKey === key ? "#f04b67" : "black"
+ width: keyWidth
+ height: keyWidth + 5
+ text: keys.charAt(index)
+ verticalAlignment: Text.AlignVCenter
+ horizontalAlignment: Text.AlignHCenter
+ font {
+ pixelSize: 40
+ capitalization: keyboard.uppercased ? Font.AllUppercase : Font.MixedCase
+ }
+ }
+ }
+ }
+}