quicksearchwidget.cpp

Go to the documentation of this file.

/*
  This file is part of KAddressBook.

  Copyright (c) 2009 Tobias Koenig <tokoe@kde.org>

  This library is free software; you can redistribute it and/or modify it
  under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This library is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
  License for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.
*/

#include "quicksearchwidget.h"

#include <KLineEdit>
#include <KLocalizedString>

#include <QtCore/QTimer>
#include <QKeyEvent>
#include <QVBoxLayout>

QuickSearchWidget::QuickSearchWidget( QWidget *parent )
    : QWidget( parent )
{
    QVBoxLayout *layout = new QVBoxLayout( this );
    layout->setMargin( 0 );

    mEdit = new KLineEdit;
    //If change shortcut changes it in mainwidget
    mEdit->setClearButtonShown( true );
    mEdit->setToolTip(
                i18nc( "@info:tooltip", "Search contacts in list" ) );
    mEdit->setWhatsThis(
                i18nc( "@info:whatsthis",
                       "Start typing a search string in this box and the list of contacts "
                       "matching that string will be displayed.  This is a quick way of searching "
                       "for contacts of interest." ) );
    mEdit->installEventFilter( this );

    layout->addWidget( mEdit );

    mTimer = new QTimer( this );

    connect( mEdit, SIGNAL(textChanged(QString)), SLOT(resetTimer()) );
    connect( mTimer, SIGNAL(timeout()), SLOT(delayedTextChanged()) );
}

QuickSearchWidget::~QuickSearchWidget()
{
}

QSize QuickSearchWidget::sizeHint() const
{
    const QSize size = mEdit->sizeHint();
    return QSize( 200, size.height() );
}

void QuickSearchWidget::slotFocusQuickSearch()
{
    mEdit->setFocus();
}

void QuickSearchWidget::resetTimer()
{
    mTimer->stop();
    mTimer->start( 500 );
}

void QuickSearchWidget::delayedTextChanged()
{
    mTimer->stop();
    emit filterStringChanged( mEdit->text() );
}

void QuickSearchWidget::keyPressEvent( QKeyEvent *event )
{
    if ( event->key() == Qt::Key_Down ) {
        event->accept();
        delayedTextChanged();
        emit arrowDownKeyPressed();
        return;
    }

    QWidget::keyPressEvent( event );
}

void QuickSearchWidget::updateQuickSearchText( const QString &text )
{
    mEdit->setClickMessage( text );
}