1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the documentation of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:BSD$ 9 ** You may use this file under the terms of the BSD license as follows: 10 ** 11 ** "Redistribution and use in source and binary forms, with or without 12 ** modification, are permitted provided that the following conditions are 13 ** met: 14 ** * Redistributions of source code must retain the above copyright 15 ** notice, this list of conditions and the following disclaimer. 16 ** * Redistributions in binary form must reproduce the above copyright 17 ** notice, this list of conditions and the following disclaimer in 18 ** the documentation and/or other materials provided with the 19 ** distribution. 20 ** * Neither the name of The Qt Company Ltd nor the names of its 21 ** contributors may be used to endorse or promote products derived 22 ** from this software without specific prior written permission. 23 ** 24 ** 25 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 36 ** 37 ** $QT_END_LICENSE$ 38 ** 39 ****************************************************************************/ 40 41 //! [0] 42 Q3AsciiDict<QLineEdit> fields; // char* keys, QLineEdit* values 43 fields.insert( "forename", new QLineEdit( this ) ); 44 fields.insert( "surname", new QLineEdit( this ) ); 45 46 fields["forename"]->setText( "Homer" ); 47 fields["surname"]->setText( "Simpson" ); 48 49 Q3AsciiDictIterator<QLineEdit> it( fields ); // See Q3AsciiDictIterator 50 for( ; it.current(); ++it ) 51 cout << it.currentKey() << ": " << it.current()->text() << endl; 52 cout << endl; 53 54 if ( fields["forename"] && fields["surname"] ) 55 cout << fields["forename"]->text() << " " 56 << fields["surname"]->text() << endl; // Prints "Homer Simpson" 57 58 fields.remove( "forename" ); // Does not delete the line edit 59 if ( ! fields["forename"] ) 60 cout << "forename is not in the dictionary" << endl; 61 //! [0] 62 63 64 //! [1] 65 Q3AsciiDict<char> dict; 66 ... 67 if ( dict.find(key) ) 68 dict.remove( key ); 69 dict.insert( key, item ); 70 //! [1] 71 72 73 //! [2] 74 Q3AsciiDict<QLineEdit> fields; 75 fields.insert( "forename", new QLineEdit( this ) ); 76 fields.insert( "surname", new QLineEdit( this ) ); 77 fields.insert( "age", new QLineEdit( this ) ); 78 79 fields["forename"]->setText( "Homer" ); 80 fields["surname"]->setText( "Simpson" ); 81 fields["age"]->setText( "45" ); 82 83 Q3AsciiDictIterator<QLineEdit> it( fields ); 84 for( ; it.current(); ++it ) 85 cout << it.currentKey() << ": " << it.current()->text() << endl; 86 cout << endl; 87 88 // Output (random order): 89 // age: 45 90 // surname: Simpson 91 // forename: Homer 92 //! [2] 93