--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbplugins/inputmethods/hardwareinput/hbhardwareinputbasic12keyhandler.cpp Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,369 @@
+/****************************************************************************
+**
+** 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 <QTimer>
+#include <hbinputkeymapfactory.h>
+#include <hbinputpredictionengine.h>
+#include <HbInputSettingProxy.h>
+
+#include "hbhardwareinputbasic12keyhandler.h"
+#include "hbinputbasichandler_p.h"
+#include "hbinputabstractbase.h"
+#include "hbhardware12key.h"
+
+class HbHardwareInputBasic12KeyHandlerPrivate: public HbInputBasicHandlerPrivate
+{
+ Q_DECLARE_PUBLIC(HbHardwareInputBasic12KeyHandler)
+
+public:
+ HbHardwareInputBasic12KeyHandlerPrivate();
+ ~HbHardwareInputBasic12KeyHandlerPrivate();
+
+ void handleAlphaEvent(int buttonId);
+ bool keyPressed(const QKeyEvent *keyEvent);
+ bool keyReleased(const QKeyEvent *keyEvent);
+ bool actionHandler(HbInputModeHandler::HbInputModeAction action);
+
+ void _q_timeout();
+public:
+ int mLastKey;
+ QChar mCurrentChar;
+ int mNumChr;
+ bool mButtonDown;
+ HbInputFocusObject *mCurrentlyFocused;
+};
+
+HbHardwareInputBasic12KeyHandlerPrivate::HbHardwareInputBasic12KeyHandlerPrivate()
+: mLastKey(0),
+mCurrentChar(0),
+mNumChr(0),
+mButtonDown(false),
+mCurrentlyFocused(0)
+{
+}
+
+HbHardwareInputBasic12KeyHandlerPrivate::~HbHardwareInputBasic12KeyHandlerPrivate()
+{
+}
+
+// handles the key press events. It starts a multitap timer as well.
+void HbHardwareInputBasic12KeyHandlerPrivate::handleAlphaEvent(int buttonId)
+{
+ Q_Q(HbHardwareInputBasic12KeyHandler);
+ HbInputFocusObject *focusObject = 0;
+ focusObject = mInputMethod->focusObject();
+ if (!focusObject) {
+ return;
+ }
+
+ mCurrentChar = q->getNthCharacterInKey(mNumChr, buttonId);
+
+ if (mCurrentChar != 0) {
+ QString str;
+ str += mCurrentChar;
+
+ QList<QInputMethodEvent::Attribute> list;
+ QInputMethodEvent event(str, list);
+ focusObject->sendEvent(event);
+ mTimer->start(HbMultiTapTimerTimeout);
+ }
+}
+
+bool HbHardwareInputBasic12KeyHandlerPrivate::keyPressed(const QKeyEvent *keyEvent)
+{
+ Q_Q(HbHardwareInputBasic12KeyHandler);
+ HbInputFocusObject *focusObject = 0;
+ focusObject = mInputMethod->focusObject();
+ if (!focusObject) {
+ return false;
+ }
+
+ int buttonId = keyEvent->key();
+
+
+ if( mLastKey != buttonId) {
+ mLastKey = buttonId;
+ if(mTimer->isActive()) {
+ mTimer->stop();
+ mNumChr = 0;
+ if (isEnterCharacter(mCurrentChar)) {
+ focusObject->sendPreEditString(QString("")); // Make sure the enter character is cleared.
+ mCurrentChar = QChar('\n'); // Convert enter character to line feed.
+ }
+
+ if(mCurrentChar != 0) {
+ focusObject->filterAndCommitCharacter(mCurrentChar);
+ }
+ // For QLineEdit it works fine. For HbLineEdit, need to set the state
+ // to lower by calling activateState().
+ // This is needed for the scenario - When automatic text case is true
+ // click a button and before the multitap timer expires click on
+ // another button.
+ mInputMethod->updateState();
+
+ refreshAutoCompleter();
+ }
+ }
+
+ if (buttonId == Qt::Key_Return) {
+ mLastKey = buttonId;
+ return true;
+ } else if (buttonId == Qt::Key_Shift) {
+ // For single key press, change the text input case. If the second shift key press is
+ // received within long key press time out interval, then activate the next state
+ if (mTimer->isActive() && (mLastKey == buttonId)){
+ mTimer->stop();
+ HbInputState rootState;
+ mInputMethod->editorRootState(rootState);
+ mInputMethod->activateState(rootState);
+ } else {
+ updateTextCase();
+ mTimer->start(HbLongPressTimerTimeout);
+ }
+ mCurrentChar = 0;
+ mButtonDown = true;
+ mCurrentChar = 0;
+ return true;
+ }
+ // Let's see if we can get the handler for this button in the base class.
+ if (q->HbInputBasicHandler::filterEvent(keyEvent)) {
+ return true;
+ }
+
+ mLastKey = buttonId;
+ mButtonDown = true;
+
+ handleAlphaEvent(buttonId);
+ return true;
+}
+
+/*!
+Handles the key release events from the VKB. Launches the SCT with key release event of
+asterisk.
+*/
+bool HbHardwareInputBasic12KeyHandlerPrivate::keyReleased(const QKeyEvent *keyEvent)
+{
+ Q_Q(HbHardwareInputBasic12KeyHandler);
+ mButtonDown = false;
+ int buttonId = keyEvent->key();
+
+ if (buttonId == Qt::Key_Asterisk) {
+ //Same asterisk key is used for launching candidate list (long key press)
+ //and also for SCT. So, do not launch SCT if candidate list is already launched.
+ mInputMethod->switchMode(buttonId);
+ return true;
+ } else if (buttonId == Qt::Key_Delete) {
+ QKeyEvent keyEvent(QEvent::KeyRelease, Qt::Key_Backspace, Qt::NoModifier);
+ q->sendAndUpdate(keyEvent);
+ return true;
+ }
+
+ return false;
+}
+
+
+void HbHardwareInputBasic12KeyHandlerPrivate::_q_timeout()
+{
+ Q_Q(HbHardwareInputBasic12KeyHandler);
+ mTimer->stop();
+ mNumChr = 0;
+
+ HbInputFocusObject *focusedObject = 0;
+ focusedObject = mInputMethod->focusObject();
+ if (!focusedObject) {
+ qDebug("HbHardwareInputBasic12KeyHandler::timeout focusObject == 0");
+ return;
+ }
+
+ if (isEnterCharacter(mCurrentChar)) {
+ focusedObject->sendPreEditString(QString("")); // Make sure the enter character is cleared.
+ mCurrentChar = QChar('\n'); // Convert enter character to line feed.
+ }
+
+ //Long key press number key is applicable to all keys
+ if (mButtonDown) {
+ //switch to numeric mode for long key press of Hash key
+ if (mLastKey == Qt::Key_Shift){
+ updateTextCase();
+ mInputMethod->switchMode(Qt::Key_Shift);
+ }else {
+ q->commitFirstMappedNumber(mLastKey);
+ }
+ } else if(mLastKey != Qt::Key_Shift){
+ if (!focusedObject->characterAllowedInEditor(mCurrentChar)) {
+ focusedObject->sendCommitString(QString());
+ } else {
+ if ( mCurrentChar != 0){
+ QString curString;
+ curString.append(mCurrentChar);
+ focusedObject->sendCommitString(curString);
+ }
+ mInputMethod->updateState();
+ // pass this character to autocompleter.
+ refreshAutoCompleter();
+ }
+ }
+ return;
+}
+
+bool HbHardwareInputBasic12KeyHandlerPrivate::actionHandler(HbInputModeHandler::HbInputModeAction action)
+{
+ HbInputFocusObject *focusObject = 0;
+ focusObject = mInputMethod->focusObject();
+ if (!focusObject) {
+ return false;
+ }
+
+ bool ret = true;
+ switch (action) {
+case HbInputModeHandler::HbInputModeActionReset:
+ mLastKey = 0;
+ mNumChr = 0;
+ if (mTimer->isActive()) {
+ mTimer->stop();
+ }
+ break;
+case HbInputModeHandler::HbInputModeActionDeleteAndCommit:{
+ mTimer->stop();
+ QString empty;
+ if(mInputMethod) {
+ //In case of the sct the character is already committed
+ //We need to remove the committed character.
+ QList<QInputMethodEvent::Attribute> list;
+ QInputMethodEvent event(QString(), list);
+ event.setCommitString(empty, -1, 1);
+ focusObject->sendEvent(event);
+ } else {
+ // Close event was originated from a button press, remove the uncommitted character.
+ focusObject->sendCommitString(empty);
+ }
+ }
+ break;
+case HbInputModeHandler::HbInputModeActionFocusRecieved:
+ mTimer->stop();
+ mNumChr = 0;
+ if (mCurrentlyFocused != focusObject) {
+ mCurrentlyFocused = focusObject;
+ if (mAutoCompleter) {
+ mAutoCompleter->commit();
+ }
+ }
+ // set up auto completer
+ setUpAutoCompleter();
+ break;
+case HbInputModeHandler::HbInputModeActionCommit:
+case HbInputModeHandler::HbInputModeActionFocusLost:
+ if (mTimer->isActive()) {
+ mTimer->stop();
+ if (mCurrentChar != 0) {
+ if (isEnterCharacter(mCurrentChar)) {
+ focusObject->sendPreEditString(QString("")); // Make sure the enter character is cleared.
+ mCurrentChar = QChar('\n'); // Convert enter character to line feed.
+ }
+ focusObject->filterAndCommitCharacter(mCurrentChar);
+ mCurrentChar = 0;
+ }
+ mLastKey = 0;
+ mNumChr = 0;
+ mInputMethod->updateState();
+ }
+ break;
+default: {
+ ret = false;
+ }
+ break;
+ };
+
+ return ret;
+}
+
+
+HbHardwareInputBasic12KeyHandler::HbHardwareInputBasic12KeyHandler(HbInputAbstractMethod* inputMethod)
+:HbInputBasicHandler( *new HbHardwareInputBasic12KeyHandlerPrivate, inputMethod)
+{
+ Q_D(HbHardwareInputBasic12KeyHandler);
+ d->q_ptr = this;
+}
+
+HbHardwareInputBasic12KeyHandler::~HbHardwareInputBasic12KeyHandler()
+{
+}
+
+/*!
+filterEvent function for handling different keyevents.
+*/
+bool HbHardwareInputBasic12KeyHandler::filterEvent(const QKeyEvent * event)
+{
+ Q_D(HbHardwareInputBasic12KeyHandler);
+
+ if (event->isAutoRepeat()) {
+ // Ignore all repeat events after first repeat event
+ return true;
+ } else if (event->type() == QEvent::KeyRelease) {
+ return d->keyReleased(event);
+ } else {
+ return d->keyPressed(event);
+ }
+}
+
+/*!
+returns true if in inline edit.
+*/
+bool HbHardwareInputBasic12KeyHandler::isComposing() const
+{
+ Q_D(const HbHardwareInputBasic12KeyHandler);
+ return d->mTimer->isActive();
+}
+
+/*!
+list different input modes.
+*/
+void HbHardwareInputBasic12KeyHandler::listInputModes(QVector<HbInputModeProperties>& modes) const
+{
+ HbInputModeProperties binding;
+ binding.iMode = HbInputModeDefault;
+ binding.iKeyboard = HbKeyboard12Key;
+
+ QVector<int> languages;
+ HbKeyMapFactory::instance()->listLanguages(languages);
+ for (int i = 0; i < languages.count(); i++) {
+ binding.iLanguage = (QLocale::Language)languages.at(i);
+ modes.push_back(binding);
+ }
+}
+
+/*!
+Action Handler
+*/
+bool HbHardwareInputBasic12KeyHandler::actionHandler(HbInputModeAction action)
+{
+ Q_D(HbHardwareInputBasic12KeyHandler);
+ if (!d->actionHandler(action)) {
+ // no action taken so let's pass it to the base class.
+ return HbInputBasicHandler::actionHandler(action);
+ }
+ return false;
+}
+// EOF