diff -r 594d59766373 -r 7d48bed6ce0c telutils/dialpad/src/dialpadkeypad.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/dialpad/src/dialpadkeypad.cpp	Tue Aug 31 15:45:17 2010 +0300
@@ -0,0 +1,577 @@
+/*!
+* 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 keypad
+*
+*/
+
+#include <QLocale>
+#include <QSignalMapper>
+
+#include <hbinstance.h>
+#include <hbinputkeymapfactory.h>
+#include <hbinputkeymap.h>
+#include <hbinpututils.h>
+#include <hbinputsettingproxy.h>
+#include <hbinputlanguage.h>
+#include <hbapplication.h>
+#include <hbcolorscheme.h>
+#include <hblineedit.h>
+#include <hbfontspec.h>
+#include <hbevent.h>
+
+#include "dialpadnumericbutton.h"
+#include "dialpadkeypad.h"
+#include "dialpadbutton.h"
+#include "dialpadinputfield.h"
+
+static const int DialpadRowCount = 4;
+static const int DialpadColumnCount = 3;
+static const QLatin1String handsetIcon("qtg_mono_call");
+static const QLatin1String vmbxIcon("qtg_mono_voice_mailbox");
+// layout values in units
+static const qreal DialpadPrimaryTextSize = 5.5;
+static const qreal DialpadSecondaryTextSize = 4.0;
+static const qreal DialpadIconSize = 4.0;
+static const qreal DialpadPrimaryTextLeftMargin  = 1.5;
+static const qreal DialpadPrimarySecondaryMargin  = 0.75;
+
+static const int DialpadKeyCodeTable[DialpadRowCount*DialpadColumnCount] =
+{
+    Qt::Key_1,        Qt::Key_2,      Qt::Key_3,
+    Qt::Key_4,        Qt::Key_5,      Qt::Key_6,
+    Qt::Key_7,        Qt::Key_8,      Qt::Key_9,
+    Qt::Key_Asterisk, Qt::Key_0,      Qt::Key_NumberSign
+    // Qt::Key_Yes and Qt::Key_BackSpace are handled separately
+};
+
+DialpadKeypad::DialpadKeypad(
+    const HbMainWindow& mainWindow,
+    DialpadInputField& inputField,
+    QGraphicsItem* parent) :
+    HbInputButtonGroup(parent),
+    mMainWindow(mainWindow),
+    mInputField(inputField),
+    mMaxPrimaryLineWidth(0)
+{
+    setObjectName("keypad");
+
+    // create clicked signal mapper
+    mKeyClickedSignalMapper = new QSignalMapper(this);
+    connect(mKeyClickedSignalMapper,SIGNAL(mapped(int)),
+            SLOT(handleKeyClicked(int)));
+
+    // connect backspace signals
+    connect(&mInputField.backspaceButton(),SIGNAL(clicked()),
+            mKeyClickedSignalMapper,SLOT(map()));
+    mKeyClickedSignalMapper->setMapping(&mInputField.backspaceButton(),
+                                        Qt::Key_Backspace);
+
+    // create keypad
+    setGridSize(QSize(DialpadColumnCount, DialpadRowCount));
+    setButtonBorderSize(0);    
+
+    QList<HbInputButton*> buttons;
+
+    for (int i = 0; i < DialpadRowCount * DialpadColumnCount; ++i) {
+        DialpadNumericButton *item = new DialpadNumericButton(
+            DialpadKeyCodeTable[i],
+            QPoint(i % DialpadColumnCount, i / DialpadColumnCount));
+        buttons.append(item);
+
+        item->setType(HbInputButton::ButtonTypeNormal);
+    }
+
+    setButtons(buttons);
+
+    // connect keypad signals
+    QObject::connect(this, SIGNAL(buttonPressed(const QKeyEvent&)),
+                     this, SLOT(sendKeyPressEvent(const QKeyEvent&)));
+    QObject::connect(this, SIGNAL(buttonReleased(const QKeyEvent&)),
+                     this, SLOT(sendKeyReleaseEvent(const QKeyEvent&)));
+    QObject::connect(this, SIGNAL(buttonLongPressed(const QKeyEvent&)),
+                     this, SLOT(sendLongPressEvent(const QKeyEvent&)));
+    QObject::connect(this, SIGNAL(pressedButtonChanged(const QKeyEvent&,
+                                                       const QKeyEvent&)),
+                     this, SLOT(handleKeyChangeEvent(const QKeyEvent&,
+                                                     const QKeyEvent&)));
+
+    // create call button (parent layouts this)
+    mCallButton = new DialpadButton(parent);
+    mCallButton->setButtonType(DialpadButton::CallButton);
+    mCallButton->setIcon(HbIcon(handsetIcon));
+    QString buttonName;
+    buttonName.setNum(Qt::Key_Yes);
+    mCallButton->setObjectName(buttonName);
+    connect(mCallButton,SIGNAL(clicked()),
+            mKeyClickedSignalMapper,SLOT(map()));
+    connect(mCallButton,SIGNAL(longPress(QPointF)),
+            mKeyClickedSignalMapper,SLOT(map()));
+    mKeyClickedSignalMapper->setMapping(mCallButton,
+                                        Qt::Key_Yes);
+
+    // set button texts
+    setButtonTexts();
+    // set button icons
+    button(0)->setIcon(HbIcon(vmbxIcon));
+
+    // update button texts when input language is changed
+    connect(HbInputSettingProxy::instance(),
+            SIGNAL(globalInputLanguageChanged(HbInputLanguage)),
+            this,SLOT(setButtonTexts()));
+
+    updateColorArray();
+
+    mUnit = HbDeviceProfile::profile(this).unitValue();
+}
+
+DialpadKeypad::~DialpadKeypad()
+{
+}
+
+void DialpadKeypad::setButtonTexts()
+{
+    HbInputLanguage inputLanguage =
+        HbInputSettingProxy::instance()->globalInputLanguage();
+    const HbKeymap *keymap =
+        HbKeymapFactory::instance()->keymap(inputLanguage.language());
+
+    mGeneratedChar.clear();
+
+    if (keymap) {
+        int buttonCount = (DialpadRowCount*DialpadColumnCount);
+        for (int i = 0; i < buttonCount; i++) {
+            int keyCode = DialpadKeyCodeTable[i];
+
+            if (keyCode == Qt::Key_Asterisk) {
+                // asterisk is not localized
+                QChar asterisk('*');
+                button(i)->setText(asterisk);
+                button(i)->setSecondaryText(QLatin1String("+"));
+                mGeneratedChar.insert(Qt::Key_Asterisk, asterisk);
+                continue;
+            }
+
+            if (keyCode == Qt::Key_NumberSign) {
+                // number sign is not localized
+                QChar numberSign('#');
+                button(i)->setText(numberSign);
+                mGeneratedChar.insert(Qt::Key_NumberSign, numberSign);
+                continue;
+            }
+
+            int index = i;
+            if (keyCode==Qt::Key_0) {
+                index = i-1;
+            }
+
+            const HbMappedKey *key =
+                keymap->keyForIndex(HbKeyboardVirtual12Key, index);
+
+            if (key) {
+                QChar numberChar =
+                    HbInputUtils::findFirstNumberCharacterBoundToKey(
+                        key,
+                        inputLanguage.language(),
+                        HbInputUtils::inputDigitType(inputLanguage.language()));
+
+                // button text
+                button(i)->setText(numberChar);
+                mGeneratedChar.insert(keyCode,numberChar);
+
+                // additional text (letters)
+                int numberOfCharacters;
+                if (keyCode==Qt::Key_7 || keyCode == Qt::Key_9) {
+                    numberOfCharacters = 4;
+                } else if (keyCode==Qt::Key_0||keyCode==Qt::Key_1) {
+                    numberOfCharacters = 0;
+                } else {
+                    numberOfCharacters = 3;
+                }
+
+                QString characters = key->characters(HbModifierNone);
+
+                if (numberOfCharacters!=0 && keyCode!=Qt::Key_1) {
+                    button(i)->setSecondaryText(characters.left(numberOfCharacters));
+                }
+            }
+        }
+    }
+}
+
+void DialpadKeypad::handleKeyClicked(int key)
+{
+    // concerns only yes and backspace keys
+    postKeyEvent(QEvent::KeyPress, key);
+    postKeyEvent(QEvent::KeyRelease, key);
+}
+
+void DialpadKeypad::postKeyEvent(QEvent::Type type, int key)
+{
+    // send simulated key to application
+    QKeyEvent *keyEvent = new QKeyEvent(type, key, Qt::NoModifier);
+    HbApplication::postEvent(const_cast<HbMainWindow*>(&mMainWindow),keyEvent);
+}
+
+void DialpadKeypad::sendKeyEventToEditor(QEvent::Type type, int key)
+{
+    // send key event to editor
+    QKeyEvent keyEvent(type, key, Qt::NoModifier, mGeneratedChar.value(key));
+    HbApplication::sendEvent(&mInputField.editor(), &keyEvent);
+}
+
+void DialpadKeypad::sendKeyPressEvent(const QKeyEvent& event)
+{
+    updateButtonLabels();
+    mPressedNumericKey = event.key();
+    postKeyEvent(QEvent::KeyPress, event.key());
+}
+
+void DialpadKeypad::sendKeyReleaseEvent(const QKeyEvent& event)
+{
+    updateButtonLabels();
+
+    if (mPressedNumericKey) {
+        // short press, update editor here
+        sendKeyEventToEditor(QEvent::KeyPress, event.key());
+    }
+
+    postKeyEvent(QEvent::KeyRelease, event.key());    
+}
+
+void DialpadKeypad::sendLongPressEvent(const QKeyEvent& event)
+{
+    sendKeyEventToEditor(QEvent::KeyPress, event.key());
+    mPressedNumericKey = 0;
+}
+
+void DialpadKeypad::handleKeyChangeEvent(
+    const QKeyEvent& releaseEvent,
+    const QKeyEvent& pressEvent)
+{
+    Q_UNUSED(pressEvent)
+
+    postKeyEvent(QEvent::KeyRelease, releaseEvent.key());
+    cancelButtonPress();
+}
+
+void DialpadKeypad::setCallButtonEnabled(bool enabled)
+{
+    mCallButton->setEnabled(enabled);
+}
+
+void DialpadKeypad::resetButtons()
+{
+    cancelButtonPress();
+    mCallButton->setDown(false);
+}
+
+DialpadButton& DialpadKeypad::callButton() const
+{
+    return *mCallButton;
+}
+
+DialpadNumericButton* DialpadKeypad::button(int i) const
+{
+    return static_cast<DialpadNumericButton*>(HbInputButtonGroup::button(i));
+}
+
+void DialpadKeypad::updateButtonLabels()
+{
+    // update numeric buttons according to button state (pressed/released)
+    updateIconColor();
+    updateTextLayouts(rect().size());
+}
+
+void DialpadKeypad::paint(
+    QPainter* painter,
+    const QStyleOptionGraphicsItem* option,
+    QWidget* widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
+
+    // Paints empty buttons
+    HbInputButtonGroup::paint(painter,option,widget);
+
+    qreal cellWidth = boundingRect().width() / gridSize().width();
+    qreal cellHeight = boundingRect().height() / gridSize().height();
+
+    // Draw icons
+    for (int i = 0; i < DialpadRowCount * DialpadColumnCount; i++) {
+        DialpadNumericButton *item = button(i);
+
+        if (!item->icon().isNull()) {
+            // icon is centered to button
+            qreal x = (item->position().x() * cellWidth) + (cellWidth / 2) -
+                      ((DialpadIconSize * mUnit) / 2);
+            qreal y = (item->position().y() * cellHeight) +  (cellHeight / 2) -
+                      ((DialpadIconSize * mUnit) / 2);
+
+            qreal width = DialpadIconSize * mUnit;
+            qreal height = DialpadIconSize * mUnit;
+
+            Qt::Alignment alignment =
+                static_cast<Qt::Alignment>(Qt::AlignVCenter | Qt::AlignHCenter);
+            item->icon().paint(painter,
+                               QRectF(x,y,width,height),
+                               Qt::KeepAspectRatio,
+                               alignment);
+        }                      
+    }
+
+    // Draw texts
+    QPen origPen = painter->pen();
+    for (int i = 0; i < mTextLayouts.count(); ++i) {
+        if (i==SecondaryText) {
+            // dimmed in normal state
+            painter->setPen(mColors.at(Pressed+1));
+        } else {
+            // otherwise normal or pressed color
+            painter->setPen(mColors.at(i/TextTypeCount));
+        }
+        mTextLayouts.at(i)->draw(painter, QPointF(0, 0));
+    }
+    painter->setPen(origPen);
+}
+
+void DialpadKeypad::updateColorArray()
+{
+    mColors.clear();
+
+    QColor normalColor = HbColorScheme::color("qtc_input_button_normal");
+    mColors.insert(Normal, normalColor);
+
+    QColor pressedColor = HbColorScheme::color("qtc_input_button_pressed");
+    mColors.insert(Pressed, pressedColor);
+
+    // this is used for alphabets shown dimmed, use alpha until exact color
+    // is specified
+    QColor disabledColor = HbColorScheme::color("qtc_input_button_normal");
+    disabledColor.setAlpha(128);
+    mColors.insert(Pressed+1, disabledColor);
+}
+
+void DialpadKeypad::updateIconColor()
+{
+    for (int i = 0; i < (DialpadRowCount * DialpadColumnCount); i++) {
+        DialpadNumericButton *item = button(i);
+
+        if (item->state()==HbInputButton::ButtonStatePressed) {
+            item->icon().setColor(mColors.at(Pressed));
+        } else {
+            item->icon().setColor(mColors.at(Normal));
+        }
+    }
+}
+
+void DialpadKeypad::cancelButtonPress()
+{
+    HbInputButtonGroup::cancelButtonPress();
+    updateButtonLabels();
+}
+
+void DialpadKeypad::setGeometry(const QRectF &rect)
+{
+    HbInputButtonGroup::setGeometry(rect);
+    updateTextLayouts(rect.size());
+}
+
+void DialpadKeypad::changeEvent(QEvent *event)
+{
+    HbInputButtonGroup::changeEvent(event);
+
+    if (event->type() == HbEvent::ThemeChanged) {
+        updateColorArray();
+        updateIconColor();
+    }
+}
+
+void DialpadKeypad::updateTextLayouts(const QSizeF &size)
+{
+    if (!size.width() && !size.height()) {
+        return;
+    }
+
+    // get normal and pressed state texts
+    QList<QString> textContent;
+    resolveTextContent(textContent);
+
+    // layout the texts
+    createTextLayouts(size, textContent);
+}
+
+void DialpadKeypad::resolveTextContent(QList<QString> &content)
+{
+    QString normalState;
+    QString normalStateSecondary;
+    QString pressedState;
+    QString pressedStateSecondary;
+
+    for (int i = 0; i < (DialpadRowCount*DialpadColumnCount); i++) {
+        DialpadNumericButton *item = button(i);
+        if (item->state()==HbInputButton::ButtonStatePressed) {
+            if (item->text().length()) {
+                pressedState.append(item->text());
+                pressedState.append(QChar(QChar::LineSeparator));
+            }
+
+            if (item->secondaryText().length()) {
+                pressedStateSecondary.append(item->secondaryText());
+                pressedStateSecondary.append(QChar(QChar::LineSeparator));
+            }
+        } else { // ButtonStateNormal
+            if (item->text().length()) {
+                normalState.append(item->text());
+                normalState.append(QChar(QChar::LineSeparator));
+            }
+
+            if (item->secondaryText().length()) {
+                normalStateSecondary.append(item->secondaryText());
+                normalStateSecondary.append(QChar(QChar::LineSeparator));
+            }
+        }
+    }
+
+    content.insert(PrimaryText, normalState);
+    content.insert(SecondaryText, normalStateSecondary);
+    content.insert(TextTypeCount + Pressed, pressedState);
+    content.insert(StateCount + SecondaryText, pressedStateSecondary);
+}
+
+void DialpadKeypad::createTextLayouts(
+    const QSizeF &size, const QList<QString> &content)
+{
+    // clear old layouts
+    qDeleteAll(mTextLayouts);
+    mTextLayouts.clear();
+
+    if (content.count()==2) {
+        // line width is measured only when all buttons are in normal state
+        mMaxPrimaryLineWidth = 0;
+    }
+
+    QFont primaryfFont = HbFontSpec(HbFontSpec::Primary).font();
+    primaryfFont.setPixelSize(DialpadPrimaryTextSize * mUnit);
+
+    QFont secondaryFont = HbFontSpec(HbFontSpec::Secondary).font();
+    secondaryFont.setPixelSize(DialpadSecondaryTextSize * mUnit);
+
+    for (int i=0; i < (StateCount*TextTypeCount); i++ ) {
+        QString text = content.at(i);
+
+        if (!text.isNull()) {
+            QTextLayout* textLayout;
+            int type;
+
+            if (i%TextTypeCount) {
+                textLayout = new QTextLayout(text,secondaryFont);
+                type = SecondaryText;
+            } else {
+                textLayout = new QTextLayout(text,primaryfFont);
+                type = PrimaryText;
+            }
+
+            mTextLayouts.append(textLayout);
+
+            textLayout->beginLayout();
+
+            int state = (i>=TextTypeCount) ? Pressed : Normal;
+
+            layoutTextLines(size,*textLayout,state,type);
+
+            textLayout->endLayout();
+
+            textLayout->setCacheEnabled(true);
+        }
+    }
+}
+
+void DialpadKeypad::layoutTextLines(
+    const QSizeF &size,
+    QTextLayout &textLayout,
+    int state,
+    int type)
+{
+    QFontMetricsF fontMetrics(textLayout.font());
+    qreal textHeight = fontMetrics.height();
+
+    qreal cellWidth = size.width() / gridSize().width();
+    qreal cellHeight = size.height() / gridSize().height();
+    qreal maxLineWidth = 0;
+
+    for (int j = 0; j < (DialpadRowCount*DialpadColumnCount); j++) {
+        DialpadNumericButton *item = button(j);
+
+        if ((type==PrimaryText && item->text().isNull()) ||
+            (type==SecondaryText && item->secondaryText().isNull())) {
+            continue; // no text for this button -> next button
+        }
+
+        if ( ( state==Normal &&
+               item->state()==HbInputButton::ButtonStateReleased ) ||
+             ( state==Pressed &&
+               item->state()==HbInputButton::ButtonStatePressed ) ) {
+
+            QTextLine line = textLayout.createLine();
+
+            qreal textPositionX = 0;
+            qreal textPositionY = 0;
+
+            if (line.isValid()) {
+                line.setNumColumns(item->text().length());
+                // layout text line
+                if (type==SecondaryText) {
+                    if (j==9) {
+                        // + is centered to button
+                        qreal lineWidth = fontMetrics.width(item->text());
+                        textPositionX = (item->position().x() * cellWidth) +
+                                        (cellWidth / 2) -
+                                        (lineWidth / 2);
+                        textPositionY = (item->position().y() +
+                                        (0.5 * item->size().height())) *
+                                        cellHeight - (0.5 * textHeight);
+
+                    } else {
+                        textPositionX = (item->position().x() * cellWidth) +
+                                        (DialpadPrimaryTextLeftMargin * mUnit) +
+                                        mMaxPrimaryLineWidth +
+                                        (DialpadPrimarySecondaryMargin * mUnit)
+                                        + buttonBorderSize();
+                        textPositionY = (item->position().y() +
+                                        (0.5 * item->size().height())) *
+                                        cellHeight - (0.5 * textHeight);
+                    }                    
+                } else {
+                    textPositionX = (item->position().x() * cellWidth) +
+                                    (DialpadPrimaryTextLeftMargin * mUnit)
+                                    + buttonBorderSize();
+                    textPositionY = (item->position().y() +
+                                    (0.5 * item->size().height())) *
+                                    cellHeight - (0.5 * textHeight);
+
+                    // store line width, for drawing secondary text
+                    qreal lineWidth = fontMetrics.width(item->text());
+                    if (mMaxPrimaryLineWidth == 0 && (j>0 && j<10) &&
+                        lineWidth > maxLineWidth) {
+                        maxLineWidth = lineWidth;
+                    }
+                }
+            }
+
+            line.setPosition(QPointF(textPositionX, textPositionY));
+        }
+    }
+
+    mMaxPrimaryLineWidth = maxLineWidth;
+}