mirror of
https://invent.kde.org/graphics/okular
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6511b29275
up nice and solid when viewing large PDFs, even on fast machines. instead search after the user has paused typing svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=372580
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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// qt/kde includes
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#include <qtooltip.h>
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#include <qapplication.h>
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#include <qtimer.h>
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#include <kaction.h>
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#include <kactioncollection.h>
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#include <klocale.h>
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#include <kiconloader.h>
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#include <klineedit.h>
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#include <kpopupmenu.h>
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#include <ktoolbarbutton.h>
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// local includes
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#include "searchwidget.h"
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#include "document.h"
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#include "settings.h"
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// uncomment following to enable the case switching button
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//#define SW_ENABLE_CASE_BUTTON
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#define CLEAR_ID 1
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#define LEDIT_ID 2
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#define FIND_ID 3
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SearchWidget::SearchWidget( QWidget * parent, KPDFDocument * document )
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: KToolBar( parent, "iSearchBar" ), m_document( document ), m_caseSensitive( false )
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{
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// change toolbar appearance
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setMargin( 3 );
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setFlat( true );
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setIconSize( 16 );
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setMovingEnabled( false );
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// a timer to ensure that we don't flood the document with requests to search
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m_inputDelayTimer = new QTimer(this);
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connect( m_inputDelayTimer, SIGNAL( timeout() ),
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this, SLOT( startSearch() ) );
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// line edit
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m_linedId = insertLined( QString::null, LEDIT_ID, SIGNAL( textChanged(const QString &) ),
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this, SLOT( slotTextChanged(const QString &) ), true,
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i18n( "Enter at least 3 letters to filter pages" ), 0/*size*/, 1 );
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// clear button (uses a lineEdit slot, so it must be created after)
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insertButton( "editclear", CLEAR_ID, SIGNAL( clicked() ),
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getLined( LEDIT_ID ), SLOT( clear() ), true,
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i18n( "Clear filter" ), 0/*index*/ );
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#ifdef SW_ENABLE_CASE_BUTTON
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// create popup menu for change case button
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m_caseMenu = new KPopupMenu( this );
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m_caseMenu->insertItem( i18n("Case Insensitive"), 1 );
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m_caseMenu->insertItem( i18n("Case Sensitive"), 2 );
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m_caseMenu->setItemChecked( 1, true );
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connect( m_caseMenu, SIGNAL( activated(int) ), SLOT( slotCaseChanged(int) ) );
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// create the change case button
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insertButton( "find", FIND_ID, m_caseMenu, true,
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i18n( "Change Case" ), 2/*index*/ );
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#endif
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// setStretchableWidget( lineEditWidget );
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setItemAutoSized( LEDIT_ID );
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}
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void SearchWidget::slotTextChanged( const QString & text )
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{
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// if length<3 set 'red' text and send a blank string to document
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QColor color = text.length() < 3 ? Qt::red : palette().active().text();
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getLined( LEDIT_ID )->setPaletteForegroundColor( color );
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m_inputDelayTimer->stop();
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m_inputDelayTimer->start(333, true);
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}
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void SearchWidget::startSearch()
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{
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QString text = getLinedText(m_linedId);
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m_document->findTextAll( text.length() < 3 ? QString::null : text, m_caseSensitive );
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}
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void SearchWidget::slotCaseChanged( int index )
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{
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bool newState = (index == 2);
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if ( newState != m_caseSensitive )
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{
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m_caseSensitive = newState;
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m_caseMenu->setItemChecked( 1, !m_caseSensitive );
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m_caseMenu->setItemChecked( 2, m_caseSensitive );
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slotTextChanged( getLined( LEDIT_ID )->text() );
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}
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}
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#include "searchwidget.moc"
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