Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-team into 4.7

1 files changed, 122 insertions, 0 deletions

diff --git a/doc/src/snippets/code/doc_src_q3ptrlist.cpp b/doc/src/snippets/code/doc_src_q3ptrlist.cpp
new file mode 100644
index 0000000..4f97c65
--- /dev/null
+++ b/doc/src/snippets/code/doc_src_q3ptrlist.cpp
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+class Employee
+{
+public:
+    Employee() : sn( 0 ) { }
+    Employee( const QString& forename, const QString& surname, int salary )
+	: fn( forename ), sn( surname ), sal( salary )
+    { }
+
+    void setSalary( int salary ) { sal = salary; }
+
+    QString forename() const { return fn; }
+    QString surname() const { return sn; }
+    int salary() const { return sal; }
+
+private:
+    QString fn;
+    QString sn;
+    int sal;
+};
+
+Q3PtrList<Employee> list;
+list.setAutoDelete( TRUE ); // the list owns the objects
+
+list.append( new Employee("John", "Doe", 50000) );
+list.append( new Employee("Jane", "Williams", 80000) );
+list.append( new Employee("Tom", "Jones", 60000) );
+
+Employee *employee;
+for ( employee = list.first(); employee; employee = list.next() )
+    cout << employee->surname().latin1() << ", " <<
+	    employee->forename().latin1() << " earns " <<
+	    employee->salary() << endl;
+cout << endl;
+
+// very inefficient for big lists
+for ( uint i = 0; i < list.count(); ++i )
+    if ( list.at(i) )
+	cout << list.at( i )->surname().latin1() << endl;
+//! [0]
+
+
+//! [1]
+Doe, John earns 50000
+Williams, Jane earns 80000
+Jones, Tom earns 60000
+
+Doe
+Williams
+Jones
+//! [1]
+
+
+//! [2]
+if ( list.findRef( item ) != -1 )
+    list.remove();
+//! [2]
+
+
+//! [3]
+Q3PtrList<Employee> list;
+
+list.append( new Employee("John", "Doe", 50000) );
+list.append( new Employee("Jane", "Williams", 80000) );
+list.append( new Employee("Tom", "Jones", 60000) );
+
+Q3PtrListIterator<Employee> it( list );
+Employee *employee;
+while ( (employee = it.current()) != 0 ) {
+    ++it;
+    cout << employee->surname().latin1() << ", " <<
+	    employee->forename().latin1() << " earns " <<
+	    employee->salary() << endl;
+}
+//! [3]
+
+
+//! [4]
+Doe, John earns 50000
+Williams, Jane earns 80000
+Jones, Tom earns 60000
+//! [4]