--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/dialpad/src/dialpadmultitaphandler.cpp	Tue Aug 31 15:45:17 2010 +0300
@@ -0,0 +1,121 @@
+/*!
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Dialpad multitap handler
+*
+*/
+
+#include <QKeyEvent>
+#include <hbapplication.h>
+#include <hblineedit.h>
+#include "dialpadmultitaphandler.h"
+
+static const int DialpadMaxMultitapTime = 800; // ms
+static const int DialpadAsteriskMultitapCount = 4;
+static const int DialpadAsteriskMultitapChars[DialpadAsteriskMultitapCount] =
+    {Qt::Key_Asterisk, Qt::Key_Plus, Qt::Key_P, Qt::Key_W};
+
+
+DialpadMultitapHandler::DialpadMultitapHandler(
+    HbLineEdit& editor,
+    QObject* parent) :
+    QObject(parent),
+    mEditor(editor),
+    mAsteriskMultitapIndex(0),
+    mGeneratedAsterisk(false)
+{
+    // extra characters
+    mExtraChar.insert(Qt::Key_Asterisk, '*');
+    mExtraChar.insert(Qt::Key_Plus, '+');
+    mExtraChar.insert(Qt::Key_P, 'p');
+    mExtraChar.insert(Qt::Key_W, 'w');
+}
+
+DialpadMultitapHandler::~DialpadMultitapHandler()
+{
+}
+
+bool DialpadMultitapHandler::eventFilter(QObject *watched, QEvent *event)
+{
+    if (watched!=&mEditor) {
+        return false;
+    }
+
+    int type = event->type();
+
+    if (type==QEvent::KeyPress) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+        if (isNumericKey(keyEvent->key()) &&
+            keyEvent->text().isEmpty() ) {
+            return true;
+        }
+    }
+
+    bool keyEventEaten = false;
+
+    if (type==QEvent::KeyPress) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+
+        if (keyEvent->key()==Qt::Key_Asterisk) {
+            if ((mMultitapTimer.elapsed() <= DialpadMaxMultitapTime) &&
+                !mGeneratedAsterisk) {
+                // remove the last char by generated backspace
+                QKeyEvent backspaceEvent(QEvent::KeyPress,
+                                         Qt::Key_Backspace,
+                                         Qt::NoModifier, "");
+                HbApplication::sendEvent(&mEditor,&backspaceEvent);
+
+                // generate +,p,w,* character
+                mAsteriskMultitapIndex =
+                    ++mAsteriskMultitapIndex % DialpadAsteriskMultitapCount;
+
+                int key = DialpadAsteriskMultitapChars[mAsteriskMultitapIndex];
+
+                // Allow + character only as a first char in editor
+                int cursorPosition = mEditor.cursorPosition();
+                if(cursorPosition != 0 && key == Qt::Key_Plus) {
+                    mAsteriskMultitapIndex = ++mAsteriskMultitapIndex;
+                    Q_ASSERT(mAsteriskMultitapIndex < DialpadAsteriskMultitapCount);
+                    key = DialpadAsteriskMultitapChars[mAsteriskMultitapIndex];
+                }
+                
+                QKeyEvent generatedEvent(QEvent::KeyPress, key,
+                                         Qt::KeypadModifier,
+                                         mExtraChar.value(key));
+                if (key==Qt::Key_Asterisk) {
+                    mGeneratedAsterisk = true;
+                }
+
+                HbApplication::sendEvent(&mEditor,&generatedEvent);
+                keyEventEaten = true;
+                mMultitapTimer.start();
+            } else {
+                mMultitapTimer.start();
+                mAsteriskMultitapIndex = 0;
+            }
+
+            mGeneratedAsterisk = false;
+        }
+    }
+
+    return keyEventEaten;
+}
+
+bool DialpadMultitapHandler::isNumericKey(int key)
+{
+    if (key==Qt::Key_Yes || key==Qt::Key_Backspace) {
+        return false;
+    } else {
+        return true;
+    }
+}