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 <QtGui>

    19 

    20 #include <hblineedit.h>

    21 #include <hbinputeditorinterface.h>

    22 #include <hbinputstandardfilters.h>

    23 #include <hbdeviceprofile.h>

    24 

    25 #include "dialpadinputfield.h"

    26 #include "dialpadbuttonstyle.h"

    27 #include "dialpadbutton.h"

    28 

    29 static const QString HbBackspaceIcon(":/inputmethods/qtg_mono_backspace2");

    30 static const int DialpadAutoRepeatInterval = 150; // ms

    31 static const int DialpadAutoRepeatDelay = 1000; // ms

    32 static const qreal DialpadComponentMargin = 0.75; // units

    33 static const qreal DialpadBackspaceHeight = 9.4; // units

    34 static const qreal DialpadInputFieldHeight = 6.3; // units

    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.setUpAsPhoneNumberEditor();

    44     editorInterface.setConstraints(HbEditorConstraintIgnoreFocus);

    45 

    46     // create backspace button

    47     mBackspace = new DialpadButton(this);

    48     mFunctionButtonStyle = new DialpadButtonStyle();

    49     mFunctionButtonStyle->setButtonStyle(

    50         DialpadButtonStyle::FunctionButtonStyle);

    51     mBackspace->setStyle(mFunctionButtonStyle);

    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(DialpadBackspaceHeight * unit);

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

    78     setLayout(layout);

    79 

    80     HbFontSpec editFont(HbFontSpec::Primary);

    81     // 85% of input field height

    82     editFont.setTextHeight(mHeight*0.85);

    83     mNumberEditor->setFontSpec(editFont);

    84 }

    85 

    86 DialpadInputField::~DialpadInputField()

    87 {

    88     delete mFunctionButtonStyle;

    89 }

    90 

    91 HbLineEdit& DialpadInputField::editor() const

    92 {

    93     return *mNumberEditor;

    94 }

    95 

    96 DialpadButton& DialpadInputField::backspaceButton() const

    97 {

    98     return *mBackspace;

    99 }

   100 

   101 void DialpadInputField::onEditorContentChanged()

   102 {

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

   104 }

   105 

   106 QSizeF DialpadInputField::sizeHint(

   107     Qt::SizeHint which,

   108     const QSizeF & constraint) const

   109 {

   110     Q_UNUSED(which);

   111     Q_UNUSED(constraint);

   112 

   113     // input field height is fixed

   114     QSizeF sh;

   115     sh.setHeight(mHeight);

   116     return sh;

   117 }