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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
import Boot2Qt.InputContext 1.0
Item {
property int lastKey
property string sentenceEndingCharacters: ".;!?"
Timer {
// key repeater
repeat: true
interval: 600
running: keyboard.activeKey !== 0 && keyboard.activeKey.repeat
onRunningChanged: if (!running) interval = 600
onTriggered: {
interval = 150
keyboardMouse.click(keyboard.activeKey)
}
}
Timer {
id: multiTapTimer
property int index
interval: 1200
onTriggered: {
index = 0
InputContext.commit(InputContext.preeditText)
}
}
Item {
id: shiftHandling
property bool autoCapitalization: !(InputContext.inputMethodHints & (Qt.ImhNoAutoUppercase | Qt.ImhUppercaseOnly
| Qt.ImhLowercaseOnly | Qt.ImhEmailCharactersOnly
| Qt.ImhUrlCharactersOnly | Qt.ImhDialableCharactersOnly
| Qt.ImhFormattedNumbersOnly | Qt.ImhDigitsOnly))
function reset() {
if (Qt.inputMethod.inputItem) {
var preferUpperCase = InputContext.inputMethodHints & Qt.ImhPreferUppercase
InputContext.shift = preferUpperCase
InputContext.capsLock = preferUpperCase
}
}
function autoCapitalize() {
if (!Qt.inputMethod.inputItem || !autoCapitalization || InputContext.capsLock)
return
var preferLowerCase = InputContext.inputMethodHints & Qt.ImhPreferLowercase
if (InputContext.cursorPosition == 0)
InputContext.shift = !preferLowerCase
else {
var text = (InputContext.surroundingText + InputContext.preeditText).substr(0, InputContext.cursorPosition).trim()
if (text.length == 0)
InputContext.shift = !preferLowerCase
else if (text.length > 1 && sentenceEndingCharacters.indexOf(text.charAt(text.length-1)) >= 0)
InputContext.shift = !preferLowerCase
else
InputContext.shift = false
}
}
Timer {
id: delayedLoading
interval: 10
onTriggered: {
shiftHandling.reset()
shiftHandling.autoCapitalize()
}
}
Connections {
target: InputContext
onInputMethodHintsChanged: delayedLoading.restart()
onFocusEditorChanged: {
keyboard.symbolMode = false
delayedLoading.restart()
}
onPreeditTextChanged: {
if (shiftHandling.autoCapitalization && !InputContext.capsLock)
InputContext.shift = false
}
onCursorPositionChanged: shiftHandling.autoCapitalize()
}
}
function sendKeyClick(key, text, modifiers) {
sendKeyPress(key, text, modifiers)
sendKeyRelease(key, text, modifiers)
}
function sendKeyPress(key, text, modifiers) {
lastKey = key
}
function sendKeyRelease(key, text, modifiers) {
var accept = false
switch (key) {
case Qt.Key_Enter:
case Qt.Key_Return:
break
case Qt.Key_Space:
InputContext.commit(" ")
var text = InputContext.surroundingText.trim()
if (sentenceEndingCharacters.indexOf(text.charAt(text.length-1)) >= 0)
keyboard.symbolMode = false
accept = true
break
case Qt.Key_Tab:
case Qt.Key_Backspace:
if (InputContext.cursorPosition > 0) {
if (InputContext.selectedText.length == 0)
InputContext.commit("", -1, 1)
else
InputContext.commit("")
}
break
default:
if (key === Qt.Key_Asterisk && InputContext.inputMethodHints & Qt.ImhDialableCharactersOnly) {
if (key != lastKey) {
multiTapTimer.index = 0
InputContext.commit(InputContext.preeditText)
multiTapTimer.running = false
}
multiTapTimer.index = multiTapTimer.running ? (multiTapTimer.index+1) % text.length : 0
var character = text.charAt(multiTapTimer.index)
if (multiTapTimer.running)
InputContext.preeditText = InputContext.preeditText.substr(0, InputContext.preeditText.length - 1) + character
else
InputContext.preeditText += character
multiTapTimer.restart()
} else if (multiTapTimer.running) {
InputContext.commit(InputContext.preeditText)
multiTapTimer.stop()
}
if (!multiTapTimer.running)
InputContext.commit(text)
accept = true
break
}
if (!accept) {
InputContext.sendKeyClick(key, text, modifiers)
}
}
}
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