diff -r 000000000000 -r 16d8024aca5e src/hbplugins/inputmethods/hardwareinput/hbhardwareinputpredictionqwertyhandler.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hbplugins/inputmethods/hardwareinput/hbhardwareinputpredictionqwertyhandler.cpp Mon Apr 19 14:02:13 2010 +0300 @@ -0,0 +1,358 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (developer.feedback@nokia.com) +** +** This file is part of the HbPlugins module of the UI Extensions for Mobile. +** +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this file. +** Please review the following information to ensure the GNU Lesser General +** Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at developer.feedback@nokia.com. +** +****************************************************************************/ +#include +#include +#include +#include + +#include "hbinputpredictionhandler_p.h" +#include "HbHardwareInputPredictionQwertyHandler.h" +#include "hbinputabstractbase.h" + +class HbHardwareInputPredictionQwertyHandlerPrivate: public HbInputPredictionHandlerPrivate +{ + Q_DECLARE_PUBLIC(HbHardwareInputPredictionQwertyHandler) +public: + HbHardwareInputPredictionQwertyHandlerPrivate(); + ~HbHardwareInputPredictionQwertyHandlerPrivate(); + +public: + bool buttonPressed(const QKeyEvent *event); + bool buttonReleased(const QKeyEvent *event); + void init(); + void _q_timeout(); + +public: + bool mExactPopupLaunched; + HbInputShiftKeyState mShiftKeyState; + HbFnState mFnState; + int mButton; +}; + +HbHardwareInputPredictionQwertyHandlerPrivate::HbHardwareInputPredictionQwertyHandlerPrivate() +: mExactPopupLaunched(false), + mShiftKeyState(EKeyPressedNone), + mFnState(HbFnOff), + mButton(0) +{ +} + +HbHardwareInputPredictionQwertyHandlerPrivate::~HbHardwareInputPredictionQwertyHandlerPrivate() +{ +} + +void HbHardwareInputPredictionQwertyHandlerPrivate::init() +{ +} + +void HbHardwareInputPredictionQwertyHandlerPrivate::_q_timeout() +{ + qDebug("HbHardwareInputPredictionQwertyHandler::timeout called"); + mTimer->stop(); + if (mButton == Qt::Key_Shift ){ + mShiftKeyState = EShiftKeyPressed; + } else { + mFnState = HbFnNext; + } +} + + +bool HbHardwareInputPredictionQwertyHandlerPrivate::buttonReleased(const QKeyEvent *event) +{ + Q_Q(HbHardwareInputPredictionQwertyHandler); + HbInputFocusObject *focusObject = 0; + focusObject = mInputMethod->focusObject(); + if (!focusObject) { + qDebug("HbVirtualQwerty::virtualButtonClicked : no focused editor widget!"); + return false; + } + int key = event->key(); + + // If the timer is not active and it is alpha mode, it is a long press + // and handled in another function. So just return. + if (mTimer->isActive()) { + mTimer->stop(); + qDebug("Timer stoped"); + } + + bool ret = true; + switch(key) { + case Qt::Key_Alt: //Fn + if (mFnState == HbFnOff) { + mFnState = HbFnNext; + } else if (mFnState == HbFnNext) { + mFnState = HbFnOn; + } else { + mFnState = HbFnOff; + } + break; + case Qt::Key_Shift: { + mShiftKeyState = EShiftKeyPressed; + int currentTextCase = focusObject->editorInterface().textCase(); + switch(currentTextCase) { + case HbTextCaseLower: + focusObject->editorInterface().setTextCase(HbTextCaseUpper); + focusObject->syncEditorInterface(); + emit q->setModifiers(HbModifierShiftPressed); + break; + case HbTextCaseUpper: + case HbTextCaseAutomatic: + focusObject->editorInterface().setTextCase(HbTextCaseLower); + focusObject->syncEditorInterface(); + emit q->setModifiers(HbModifierNone); + break; + default: + break; + } + } + break; + case Qt::Key_Control: { + } + break; + case Qt::Key_Left:{ + if(mCandidates->count()) { + if (mExactPopupLaunched) { + q->commitAndUpdate(mCandidates->at(1)); + } else { + q->commitAndUpdate(mCandidates->at(0)); + } + } + HbInputPredictionHandlerPrivate::reset(); + // close exactword popup. + mInputMethod->closeExactWordPopup(); + break; + } + case Qt::Key_Right:{ + q->actionHandler(HbInputModeHandler::HbInputModeActionCommit); + break; + } + case Qt::Key_Up:{ + if (mExactPopupLaunched) { + q->commitAndUpdate(mCandidates->at(0)); + } else { + q->actionHandler(HbInputModeHandler::HbInputModeActionLaunchCandidatePopup); + } + HbInputPredictionHandlerPrivate::reset(); + // close exactword popup. + mInputMethod->closeExactWordPopup(); + break; + } + case Qt::Key_Down:{ + q->actionHandler(HbInputModeHandler::HbInputModeActionLaunchCandidatePopup); + break; + } + case Qt::Key_Space:{ + if (event->modifiers() & Qt::ControlModifier){ + if (HbInputSettingProxy::instance()->predictiveInputStatus()) { + HbInputSettingProxy::instance()->setPredictiveInputStatus(0); + } else { + HbInputSettingProxy::instance()->setPredictiveInputStatus(1); + } + break; + } + } + default: { + int currentTextCase = focusObject->editorInterface().textCase(); + mModifiers = Qt::NoModifier; + if (mFnState == HbFnNext) { + mModifiers |= Qt::AltModifier; + mFnState = HbFnOff; + } else if (mFnState == HbFnOn) { + mModifiers |= Qt::AltModifier; + } + // If shift is pressed, the shifted characters have to be input. + if ( HbTextCaseUpper == currentTextCase || HbTextCaseAutomatic == currentTextCase ) { + mModifiers |= Qt::ShiftModifier; + } + // let's pass it to the base class. + ret = q->HbInputPredictionHandler::filterEvent(event); + + // Reset the shift state. + if (EShiftKeyPressed == mShiftKeyState) { + mShiftKeyState = EKeyPressedNone; + int textCase = HbTextCaseLower; + HbModifier modifier = HbModifierNone; + + if (HbTextCaseLower == currentTextCase) { + textCase = HbTextCaseUpper; + modifier = HbModifierShiftPressed; + } + focusObject->editorInterface().setTextCase(textCase); + focusObject->syncEditorInterface(); + emit q->setModifiers(modifier); + } + mInputMethod->updateState(); + } + break; + }; + return ret; +} + +bool HbHardwareInputPredictionQwertyHandlerPrivate::buttonPressed(const QKeyEvent* event) +{ + Q_UNUSED(event); + if (!mTimer->isActive()){ + mTimer->start(HbLongPressTimerTimeout); + qDebug("Timer started"); + } + return true; +} + + +HbHardwareInputPredictionQwertyHandler::HbHardwareInputPredictionQwertyHandler(HbInputAbstractMethod *inputMethod) + :HbInputPredictionHandler(* new HbHardwareInputPredictionQwertyHandlerPrivate, inputMethod) +{ + Q_D(HbHardwareInputPredictionQwertyHandler); + d->q_ptr = this; + d->init(); +} + +HbHardwareInputPredictionQwertyHandler::~HbHardwareInputPredictionQwertyHandler() +{ +} + +/*! +lists different input mode bindings.. +*/ +void HbHardwareInputPredictionQwertyHandler::listInputModes(QVector& modes) const +{ + Q_UNUSED(modes); + /*HbInputModeProperties binding; + binding.iMode = HbInputModeLatinPredictive; + QList availableKeyBoards; + HbInputSettingProxy::instance()->availableHwKeyboard(availableKeyBoards); + foreach(HbKeyboardType keyboardType, availableKeyBoards) { + (keyboardType&HbQwertyKeyboardMask) ? binding.iKeyboard = keyboardType : binding.iKeyboard = HbKeyboardNone; + if (binding.iKeyboard != HbKeyboardNone) { + QVector languages; + HbKeyMapFactory::instance()->listLanguages(languages); + + foreach(int lang, languages) { + if(HbKeyMapFactory::instance()->isKeyboardDataAvailableForLanguage(lang,binding.iKeyboard)){ + binding.iLanguage = (QLocale::Language)lang; + modes.push_front(binding); + } + } + } + }*/ +} + +/*! +Action Handler. +*/ +bool HbHardwareInputPredictionQwertyHandler::actionHandler(HbInputModeAction action) +{ + Q_D(HbHardwareInputPredictionQwertyHandler); + bool ret = true; + switch (action) { + case HbInputModeActionFocusRecieved: + HbInputPredictionHandler::actionHandler(HbInputModeActionSetCandidateList); + HbInputPredictionHandler::actionHandler(HbInputModeActionSetKeypad); + d->mTimer->stop(); + qDebug("Timer stoped"); + break; + case HbInputModeActionFocusLost: + HbInputPredictionHandler::actionHandler(HbInputModeActionFocusLost); + if (d->mCandidates->count()) { + if (d->mExactPopupLaunched) { + commitAndUpdate(d->mCandidates->at(1)); + } else { + commitAndUpdate(d->mCandidates->at(0)); + } + } + // close exactword popup. + d->mInputMethod->closeExactWordPopup(); + break; + default: ret = HbInputPredictionHandler::actionHandler(action); + } + + return ret; +} + +/*! +filterEvent for key event. +*/ +bool HbHardwareInputPredictionQwertyHandler::filterEvent(const QKeyEvent * event) +{ + Q_D(HbHardwareInputPredictionQwertyHandler); + + if (!event->isAutoRepeat()) { + if ((event->type() == QEvent::KeyRelease) ) { + return d->buttonReleased(event); + } else { + return d->buttonPressed(event); + } + } + + return true; +} + +/*! +this SLOT is called when a character on character previe pane is selected. +*/ +void HbHardwareInputPredictionQwertyHandler::charFromPreviewSelected(QString character) +{ + if(character.size() > 0) { + appendUnicodeCharacter(character[0]); + } +} + +/*! + this function is called by HbPredictionHandler when HbPredictionHandler encounters a exact word. +*/ +void HbHardwareInputPredictionQwertyHandler::processExactWord(QString exactWord) +{ + Q_D(HbHardwareInputPredictionQwertyHandler); + if (exactWord.size()) { + d->mInputMethod->launchExactWordPopup(exactWord); + d->mExactPopupLaunched = true; + } else { + d->mInputMethod->closeExactWordPopup(); + d->mExactPopupLaunched = false; + } +} + +/*! + this slot should be called when exact word popup is closed. +*/ +void HbHardwareInputPredictionQwertyHandler::exactWordPopupClosed() +{ + commitExactWord(); +} +void HbHardwareInputPredictionQwertyHandler::sctCharacterSelected(QChar character) +{ + HbInputPredictionHandler::sctCharacterSelected(character); +} + +/*! +Returns true if preidciton engine is available and initialized. +*/ +bool HbHardwareInputPredictionQwertyHandler::isActive() const +{ + Q_D(const HbHardwareInputPredictionQwertyHandler); + return d->mEngine != 0; +} + +//EOF