1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the documentation of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

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    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

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    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 //! [0]

    43 Q3PtrDict<char> fields; // void* keys, char* values

    44 

    45 QLineEdit *le1 = new QLineEdit( this );

    46 le1->setText( "Simpson" );

    47 QLineEdit *le2 = new QLineEdit( this );

    48 le2->setText( "Homer" );

    49 QLineEdit *le3 = new QLineEdit( this );

    50 le3->setText( "45" );

    51 

    52 fields.insert( le1, "Surname" );

    53 fields.insert( le2, "Forename" );

    54 fields.insert( le3, "Age" );

    55 

    56 Q3PtrDictIterator<char> it( fields );

    57 for( ; it.current(); ++it )

    58     cout << it.current() << endl;

    59 cout << endl;

    60 

    61 if ( fields[le1] ) // Prints "Surname: Simpson"

    62     cout << fields[le1] << ": " << le1->text() << endl; 

    63 if ( fields[le2] ) // Prints "Forename: Homer"

    64     cout << fields[le2] << ": " << le2->text() << endl; 

    65 

    66 fields.remove( le1 ); // Removes le1 from the dictionary

    67 cout << le1->text() << endl; // Prints "Simpson"

    68 //! [0]

    69 

    70 

    71 //! [1]

    72 Q3PtrDict<ItemType> dict;

    73     ...

    74 if ( dict.find( key ) )

    75     dict.remove( key );

    76 dict.insert( key, item );

    77 //! [1]

    78 

    79 

    80 //! [2]

    81 Q3PtrDict<char> fields;

    82 

    83 QLineEdit *le1 = new QLineEdit( this );

    84 le1->setText( "Simpson" );

    85 QLineEdit *le2 = new QLineEdit( this );

    86 le2->setText( "Homer" );

    87 QLineEdit *le3 = new QLineEdit( this );

    88 le3->setText( "45" );

    89 

    90 fields.insert( le1, "Surname" );

    91 fields.insert( le2, "Forename" );

    92 fields.insert( le3, "Age" );

    93 

    94 Q3PtrDictIterator<char> it( fields );

    95 for( ; it.current(); ++it ) {

    96     QLineEdit *le = (QLineEdit)it.currentKey();

    97     cout << it.current() << ": " << le->text() << endl;

    98 }

    99 cout << endl;

   100 

   101 // Output (random order):

   102 //  Forename: Homer

   103 //  Age: 45

   104 //  Surname: Simpson

   105 //! [2]

   106 

   107