kaddressbook/quicksearchwidget.cpp

   1 /*
   2   This file is part of KAddressBook.
   3
   4   Copyright (c) 2009 Tobias Koenig <tokoe@kde.org>
   5
   6   This library is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Library General Public License as published by
   8   the Free Software Foundation; either version 2 of the License, or (at your
   9   option) any later version.
  10
  11   This library is distributed in the hope that it will be useful, but WITHOUT
  12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
  14   License for more details.
  15
  16   You should have received a copy of the GNU Library General Public License
  17   along with this library; see the file COPYING.LIB.  If not, write to the
  18   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19   02110-1301, USA.
  20 */
  21
  22 #include "quicksearchwidget.h"
  23
  24 #include <KLineEdit>
  25 #include <KLocalizedString>
  26
  27 #include <QtCore/QTimer>
  28 #include <QKeyEvent>
  29 #include <QVBoxLayout>
  30
  31 QuickSearchWidget::QuickSearchWidget( QWidget *parent )
  32     : QWidget( parent )
  33 {
  34     QVBoxLayout *layout = new QVBoxLayout( this );
  35     layout->setMargin( 0 );
  36
  37     mEdit = new KLineEdit;
  38     //If change shortcut changes it in mainwidget
  39     mEdit->setClearButtonShown( true );
  40     mEdit->setToolTip(
  41                 i18nc( "@info:tooltip", "Search contacts in list" ) );
  42     mEdit->setWhatsThis(
  43                 i18nc( "@info:whatsthis",
  44                        "Start typing a search string in this box and the list of contacts "
  45                        "matching that string will be displayed.  This is a quick way of searching "
  46                        "for contacts of interest." ) );
  47     mEdit->installEventFilter( this );
  48
  49     layout->addWidget( mEdit );
  50
  51     mTimer = new QTimer( this );
  52
  53     connect( mEdit, SIGNAL(textChanged(QString)), SLOT(resetTimer()) );
  54     connect( mTimer, SIGNAL(timeout()), SLOT(delayedTextChanged()) );
  55 }
  56
  57 QuickSearchWidget::~QuickSearchWidget()
  58 {
  59 }
  60
  61 QSize QuickSearchWidget::sizeHint() const
  62 {
  63     const QSize size = mEdit->sizeHint();
  64     return QSize( 200, size.height() );
  65 }
  66
  67 void QuickSearchWidget::slotFocusQuickSearch()
  68 {
  69     mEdit->setFocus();
  70 }
  71
  72 void QuickSearchWidget::resetTimer()
  73 {
  74     mTimer->stop();
  75     mTimer->start( 500 );
  76 }
  77
  78 void QuickSearchWidget::delayedTextChanged()
  79 {
  80     mTimer->stop();
  81     emit filterStringChanged( mEdit->text() );
  82 }
  83
  84 void QuickSearchWidget::keyPressEvent( QKeyEvent *event )
  85 {
  86     if ( event->key() == Qt::Key_Down ) {
  87         event->accept();
  88         delayedTextChanged();
  89         emit arrowDownKeyPressed();
  90         return;
  91     }
  92
  93     QWidget::keyPressEvent( event );
  94 }
  95
  96 void QuickSearchWidget::updateQuickSearchText( const QString &text )
  97 {
  98     mEdit->setClickMessage( text );
  99 }