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ID	...	Creation date	17 March 2009
Platform	S60 3rd Edition FP2, S60 5th Edition	Tested on devices	S60 Emulator
Category	Qt for S60	Subcategory	Application

Keywords (APIs, classes, methods, functions): QLineEdit,QStringList,QCompleter

Overview

You can use QCompleter to provide auto completions in some of Qt widget, such as QLineEdit and QComboBox.

When the user starts typing a word, QCompleter suggests possible ways of completing the word, based on a word list.QCompleter

This example makes the use of following classes

QCompleter-Provides completions based on an item model

QStringList-Provides a list of strings

Preconditions

• Download and Install latest version Qt for Symbian - Installation packages which has links on how to install the latest version

Various Function

• This property holds the case sensitivity of the matching.

completer->setCaseSensitivity(Qt::CaseInsensitive);

• This property holds how the completions of a specific words are provided to the user.

completer->setCompletionMode(QCompleter::InlineCompletion);
completer->setCompletionMode(QCompleter::QCompleter::UnfilteredPopupCompletion); 

• This property holds the item role to be used to query the contents of items for matching.

completer->setCompletionRole(3);

Source Code

#include <QtGui/QApplication>
#include "qcomplimentwidget.h"
#include<QStringList>
#include<QLineEdit>
#include<QCompleter>
#include<QHBoxLayout>
#include<QWidget>
#include<QLabel>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QWidget *win=new QWidget();
    QHBoxLayout *lay=new QHBoxLayout();
    QStringList wordList;
    wordList << "alpha" << "omega" << "omicron" << "zeta"<<"america"<<"orion"<<"amit"<<"Odssey";
    QLabel *lbl=new QLabel("Select");
    QLineEdit *lineEdit = new QLineEdit();
    lbl->setBuddy(lineEdit);
    QCompleter *completer = new QCompleter(wordList);
    completer->setCaseSensitivity(Qt::CaseInsensitive); //Make caseInsensitive selection
    //completer->setCompletionMode(QCompleter::InlineCompletion); //Used to enable in line searching
    //completer->setCompletionRole(3);
    lineEdit->setCompleter(completer);
    lay->addWidget(lbl);
    lay->addWidget(lineEdit);
    win->setLayout(lay);
    win->showMaximized();
    win->setStyleSheet("* { background-color:rgb(199,147,88); padding: 7px ; color:rgb(255,255,255)}");
    return a.exec();
}

Screenshot

More about Qcompleter:Qcompleter

More about Qcompleter:Qcompleter