src/hbplugins/inputmethods/hardwareinput/hbhardwareinputnumeric12keyhandler.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)
       
     6 **
       
     7 ** This file is part of the HbPlugins module of the UI Extensions for Mobile.
       
     8 **
       
     9 ** GNU Lesser General Public License Usage
       
    10 ** This file may be used under the terms of the GNU Lesser General Public
       
    11 ** License version 2.1 as published by the Free Software Foundation and
       
    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.
       
    13 ** Please review the following information to ensure the GNU Lesser General
       
    14 ** Public License version 2.1 requirements will be met:
       
    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    16 **
       
    17 ** In addition, as a special exception, Nokia gives you certain additional
       
    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    20 **
       
    21 ** If you have questions regarding the use of this file, please contact
       
    22 ** Nokia at developer.feedback@nokia.com.
       
    23 **
       
    24 ****************************************************************************/
       
    25 
       
    26 
       
    27 #include <QTimer>
       
    28 #include <hbinputmethod.h>
       
    29 #include <hbinputkeymapfactory.h>
       
    30 
       
    31 #include "HbHardware12key.h"
       
    32 #include "Hbhardwareinputnumeric12keyhandler.h"
       
    33 #include "hbinputnumerichandler_p.h"
       
    34 #include "hbinputabstractbase.h"
       
    35 
       
    36 class HbHardwareInputNumeric12KeyHandlerPrivate: public HbInputNumericHandlerPrivate
       
    37 {
       
    38 	Q_DECLARE_PUBLIC(HbHardwareInputNumeric12KeyHandler)
       
    39 
       
    40 public:
       
    41 	HbHardwareInputNumeric12KeyHandlerPrivate();
       
    42 	~HbHardwareInputNumeric12KeyHandlerPrivate();
       
    43 
       
    44 	bool keyPressed(const QKeyEvent *keyEvent);
       
    45 	void _q_timeout();	
       
    46 public:
       
    47 	int mLastKey;
       
    48 	bool mButtonDown;
       
    49 };
       
    50 
       
    51 HbHardwareInputNumeric12KeyHandlerPrivate::HbHardwareInputNumeric12KeyHandlerPrivate():
       
    52 mLastKey(0),
       
    53 mButtonDown(false)
       
    54 {
       
    55 }
       
    56 
       
    57 HbHardwareInputNumeric12KeyHandlerPrivate::~HbHardwareInputNumeric12KeyHandlerPrivate()
       
    58 {
       
    59 }
       
    60 
       
    61 bool HbHardwareInputNumeric12KeyHandlerPrivate::keyPressed(const QKeyEvent *keyEvent)
       
    62 {
       
    63 	Q_Q(HbHardwareInputNumeric12KeyHandler);
       
    64 	HbInputFocusObject *focusObject = 0;
       
    65 	focusObject = mInputMethod->focusObject();
       
    66 	if (!focusObject) {
       
    67 		qDebug("HbInputModeHandler::buttonClicked no focusObject ... failed!!");
       
    68 		return false;
       
    69 	}
       
    70 
       
    71 	int buttonId = keyEvent->key();
       
    72 
       
    73 	if (buttonId == Qt::Key_Return) {
       
    74 
       
    75 		return true;
       
    76 	} else if (buttonId == Qt::Key_Shift) {
       
    77 
       
    78 		if (mTimer->isActive() && (mLastKey == buttonId)){
       
    79 			mTimer->stop();
       
    80 			HbHardware12key *hostInputMethod = qobject_cast<HbHardware12key*>(mInputMethod);    
       
    81 			if (hostInputMethod) {              
       
    82 				HbInputState newState;
       
    83 				mInputMethod->editorRootState(newState);           
       
    84 				mInputMethod->activateState(newState);                   
       
    85 			}
       
    86 		} else {
       
    87 			mTimer->start(HbLongPressTimerTimeout);
       
    88 		}
       
    89 		mLastKey = buttonId;
       
    90 		mButtonDown = true;
       
    91 		return true;
       
    92 	} else if (buttonId == Qt::Key_Asterisk) {
       
    93 		mInputMethod->switchMode(Qt::Key_Asterisk);
       
    94 		return true;
       
    95 	}
       
    96 
       
    97 	// Let's see if we can get the handler for this button in the base class.
       
    98 	if (q->HbInputNumericHandler::filterEvent(keyEvent)) {
       
    99 		return true;
       
   100 	}
       
   101 
       
   102 	q->commitFirstMappedNumber(buttonId);
       
   103 	return true;
       
   104 }
       
   105 
       
   106 void HbHardwareInputNumeric12KeyHandlerPrivate::_q_timeout()
       
   107 {
       
   108 	mTimer->stop();
       
   109 
       
   110 	HbInputFocusObject *focusedObject = 0;
       
   111 	focusedObject = mInputMethod->focusObject();
       
   112 	if (!focusedObject) {
       
   113 		qDebug("HbHardwareInputNumeric12KeyHandler::timeout focusObject == 0");
       
   114 		return;
       
   115 	}
       
   116 	//switch to Alpha mode when Long key press of Shift key is received
       
   117 	if (mButtonDown && (mLastKey == Qt::Key_Shift ))
       
   118 	{
       
   119 		mButtonDown = false;
       
   120 		// If the editor is not a number only editor, then activate the alphanumeric keypad
       
   121 		if( !focusedObject->editorInterface().isNumericEditor() ){
       
   122 			mInputMethod->switchMode(mLastKey);
       
   123 		}           
       
   124 	}	   
       
   125 	return;
       
   126 }
       
   127 
       
   128 HbHardwareInputNumeric12KeyHandler::HbHardwareInputNumeric12KeyHandler(HbInputAbstractMethod* inputMethod)
       
   129 :HbInputNumericHandler( *new HbHardwareInputNumeric12KeyHandlerPrivate, inputMethod)
       
   130 {
       
   131 	Q_D(HbHardwareInputNumeric12KeyHandler);
       
   132 	d->q_ptr = this;
       
   133 }
       
   134 
       
   135 HbHardwareInputNumeric12KeyHandler::~HbHardwareInputNumeric12KeyHandler()
       
   136 {
       
   137 }
       
   138 
       
   139 /*!
       
   140 filterEvent function for handling different keyevents.
       
   141 */
       
   142 bool HbHardwareInputNumeric12KeyHandler::filterEvent(const QKeyEvent * event)
       
   143 {
       
   144 	Q_D(HbHardwareInputNumeric12KeyHandler);
       
   145 
       
   146 	// in numeric mode in itut keypad only KeyPress events are handled.
       
   147 	if ((event->type() == QEvent::KeyPress )
       
   148 		|| (event->type() == QEvent::KeyRelease && event->key() == Qt::Key_Asterisk)) {
       
   149 			return d->keyPressed(event);
       
   150 	}
       
   151 	return false;
       
   152 }
       
   153 
       
   154 /*!
       
   155 Action handler
       
   156 */
       
   157 bool HbHardwareInputNumeric12KeyHandler::actionHandler(HbInputModeAction action)
       
   158 {
       
   159 	bool ret = false;
       
   160 	switch (action) {
       
   161 		//In case of the numeric editor the character is already committed. 
       
   162 		//Need to remove the committed character.
       
   163 case HbInputModeHandler::HbInputModeActionDeleteAndCommit:{
       
   164 	HbInputFocusObject *focusObject = 0;
       
   165 	Q_D(HbHardwareInputNumeric12KeyHandler);
       
   166 	focusObject = d->mInputMethod->focusObject();
       
   167 	if (!focusObject) {
       
   168 		return false;
       
   169 	}
       
   170 	d->mTimer->stop();
       
   171 	QString empty;
       
   172 	QList<QInputMethodEvent::Attribute> list;
       
   173 	QInputMethodEvent event(QString(), list);
       
   174 	event.setCommitString(empty, -1, 1);
       
   175 	focusObject->sendEvent(event);
       
   176 	ret = true;
       
   177 														  }
       
   178 default: {
       
   179 	ret = false;
       
   180 		 }
       
   181 	}
       
   182 	if(!ret) {
       
   183 		ret = HbInputNumericHandler::actionHandler(action);
       
   184 	}
       
   185 	return ret;
       
   186 }
       
   187 
       
   188 /*!
       
   189 list different input modes.
       
   190 */
       
   191 void HbHardwareInputNumeric12KeyHandler::listInputModes(QVector<HbInputModeProperties>& modes) const
       
   192 {
       
   193 	HbInputModeProperties binding;
       
   194 	binding.iMode = HbInputModeNumeric;
       
   195 	binding.iKeyboard = HbKeyboard12Key;
       
   196 
       
   197 	QVector<int> languages;
       
   198 	HbKeyMapFactory::instance()->listLanguages(languages);
       
   199 	for (int i = 0; i < languages.count(); i++) {
       
   200 		binding.iLanguage = (QLocale::Language)languages.at(i);
       
   201 		modes.push_back(binding);
       
   202 	}
       
   203 }
       
   204 
       
   205 // EOF