1 /*!

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Input field

    15 *

    16 */

    17 

    18 #include <QGraphicsLinearLayout>

    19 

    20 #include <hblineedit.h>

    21 #include <hbinputeditorinterface.h>

    22 #include <hbinputstandardfilters.h>

    23 #include <hbdeviceprofile.h>

    24 

    25 #include "dialpadinputfield.h"

    26 #include "dialpadbutton.h"

    27 

    28 static const QLatin1String HbBackspaceIcon("qtg_mono_backspace2");

    29 static const int DialpadAutoRepeatInterval = 150; // ms

    30 static const int DialpadAutoRepeatDelay = 1000; // ms

    31 static const qreal DialpadComponentMargin = 0.75; // units

    32 static const qreal DialpadBackspaceWidth = 9.4; // units

    33 static const qreal DialpadInputFieldHeight = 6.3; // units

    34 static const int DialpadMaxEditStringLenght = 100;

    35 

    36 DialpadInputField::DialpadInputField(QGraphicsItem* parent)

    37     : HbWidget(parent)

    38 {

    39     // create editor

    40     mNumberEditor = new HbLineEdit(this);

    41     HbEditorInterface editorInterface(mNumberEditor);

    42     editorInterface.setFilter(HbPhoneNumberFilter::instance());

    43     editorInterface.setInputConstraints(HbEditorConstraintIgnoreFocus);

    44     mNumberEditor->setMaxLength(DialpadMaxEditStringLenght);

    45     mNumberEditor->setMinRows(1);

    46     mNumberEditor->setMaxRows(1);    

    47     mNumberEditor->setAdjustFontSizeToFitHeight(true);

    48 

    49     // create backspace button

    50     mBackspace = new DialpadButton(this);

    51     mBackspace->setButtonType(DialpadButton::FunctionButton); // for css

    52     mBackspace->setFocusPolicy(Qt::NoFocus);

    53     mBackspace->setFlag(QGraphicsItem::ItemIsFocusable,false);

    54     mBackspace->setIcon(HbIcon(HbBackspaceIcon));

    55     mBackspace->setEnabled(false);

    56     QString buttonName;

    57     buttonName.setNum(Qt::Key_Backspace);

    58     mBackspace->setObjectName(buttonName);

    59     mBackspace->setAutoRepeat(true);

    60     mBackspace->setAutoRepeatInterval(DialpadAutoRepeatInterval);

    61     mBackspace->setAutoRepeatDelay(DialpadAutoRepeatDelay);

    62 

    63     connect(mNumberEditor,SIGNAL(contentsChanged()),

    64             SLOT(onEditorContentChanged()));

    65 

    66     // set input field layout

    67     qreal unit = HbDeviceProfile::current().unitValue();

    68     mHeight = (int) DialpadInputFieldHeight * unit;

    69     QGraphicsLinearLayout* layout = new QGraphicsLinearLayout;

    70     layout->addItem(mNumberEditor);

    71     layout->setAlignment(mNumberEditor,Qt::AlignVCenter);

    72     layout->addItem(mBackspace);

    73     layout->setContentsMargins(0,0,0,0);

    74     layout->setSpacing(DialpadComponentMargin* unit);

    75     // layout parameters

    76     mBackspace->setPreferredWidth(DialpadBackspaceWidth * unit);

    77     mBackspace->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Expanding);

    78     setLayout(layout);

    79 }

    80 

    81 DialpadInputField::~DialpadInputField()

    82 {

    83 }

    84 

    85 HbLineEdit& DialpadInputField::editor() const

    86 {

    87     return *mNumberEditor;

    88 }

    89 

    90 DialpadButton& DialpadInputField::backspaceButton() const

    91 {

    92     return *mBackspace;

    93 }

    94 

    95 void DialpadInputField::onEditorContentChanged()

    96 {

    97     mBackspace->setEnabled(mNumberEditor->text().length());

    98 }

    99 

   100 QSizeF DialpadInputField::sizeHint(

   101     Qt::SizeHint which,

   102     const QSizeF & constraint) const

   103 {

   104     Q_UNUSED(which);

   105     Q_UNUSED(constraint);

   106 

   107     // input field height is fixed

   108     QSizeF sh;

   109     sh.setHeight(mHeight);

   110     return sh;

   111 }