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228 lines
7.9 KiB
228 lines
7.9 KiB
/***************************************************************************
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finddialog.cpp - Trinity Desktop Planetarium
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-------------------
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begin : Wed Jul 4 2001
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copyright : (C) 2001 by Jason Harris
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email : jharris@30doradus.org
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#include <tqlayout.h>
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#include <tqlineedit.h>
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#include <tqlabel.h>
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#include <tqcombobox.h>
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#include <tqlistbox.h>
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#include <tqtimer.h>
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#include <tdemessagebox.h>
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#include "finddialog.h"
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#include "kstars.h"
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#include "kstarsdata.h"
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#include "Options.h"
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#include "skyobject.h"
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#include "skyobjectname.h"
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#include "objectnamelist.h"
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FindDialog::FindDialog( TQWidget* parent ) :
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KDialogBase( KDialogBase::Plain, i18n( "Find Object" ), Ok|Cancel, Ok, parent ),
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vlay(0), hlay(0), SearchList(0), SearchBox(0), filterTypeLabel(0), filterType(0),
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currentitem(0)
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{
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TQFrame *page = plainPage();
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//Create Layout managers
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vlay = new TQVBoxLayout( page, 2, 2 );
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hlay = new TQHBoxLayout( 2 ); //this mgr will be added to vlay
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//Create Widgets
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SearchBox = new TQLineEdit( page, "SearchBox" );
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filterTypeLabel = new TQLabel( page, "filterTypeLabel" );
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filterTypeLabel->setAlignment( AlignRight );
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filterTypeLabel->setText( i18n( "Filter by type: " ) );
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filterType = new TQComboBox( page, "filterType" );
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filterType->setEditable( false );
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filterType->insertItem( i18n ("Any") );
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filterType->insertItem( i18n ("Stars") );
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// filterType->insertItem( i18n ("Double Stars") );
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filterType->insertItem( i18n ("Solar System") );
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filterType->insertItem( i18n ("Open Clusters") );
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filterType->insertItem( i18n ("Glob. Clusters") );
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filterType->insertItem( i18n ("Gas. Nebulae") );
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filterType->insertItem( i18n ("Plan. Nebulae") );
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// filterType->insertItem( i18n ("SN Remnants") );
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filterType->insertItem( i18n ("Galaxies") );
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filterType->insertItem( i18n ("Comets") );
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filterType->insertItem( i18n ("Asteroids") );
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filterType->insertItem( i18n ("Constellations") );
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SearchList = new TQListBox( page, "SearchList" );
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SearchList->setMinimumWidth( 256 );
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SearchList->setMinimumHeight( 320 );
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SearchList->setVScrollBarMode( TQListBox::AlwaysOn );
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SearchList->setHScrollBarMode( TQListBox::AlwaysOff );
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//Pack Widgets into layout manager
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hlay->addWidget( filterTypeLabel, 0, 0 );
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hlay->addWidget( filterType, 0, 0 );
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vlay->addWidget( SearchBox, 0, 0 );
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vlay->addSpacing( 12 );
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vlay->addWidget( SearchList, 0, 0 );
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vlay->addLayout( hlay, 0 );
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vlay->activate();
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// no item currently set
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currentitem = 0;
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// no filters set
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Filter = 0;
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//Connect signals to slots
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// connect( this, TQT_SIGNAL( okClicked() ), this, TQT_SLOT( accept() ) ) ;
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connect( this, TQT_SIGNAL( cancelClicked() ), this, TQT_SLOT( reject() ) );
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connect( SearchBox, TQT_SIGNAL( textChanged( const TQString & ) ), TQT_SLOT( filter() ) );
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connect( SearchBox, TQT_SIGNAL( returnPressed() ), TQT_SLOT( slotOk() ) );
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connect( filterType, TQT_SIGNAL( activated( int ) ), this, TQT_SLOT( setFilter( int ) ) );
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connect( SearchList, TQT_SIGNAL (selectionChanged (TQListBoxItem *)), TQT_SLOT (updateSelection (TQListBoxItem *)));
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connect( SearchList, TQT_SIGNAL( doubleClicked ( TQListBoxItem * ) ), TQT_SLOT( slotOk() ) );
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// first create and paint dialog and then load list
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TQTimer::singleShot(0, this, TQT_SLOT( init() ));
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}
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FindDialog::~FindDialog() {
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delete SearchList;
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}
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void FindDialog::init() {
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SearchBox->clear(); // TQLineEdit
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filterType->setCurrentItem(0); // show all types of objects
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filter();
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}
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void FindDialog::filter() { //Filter the list of names with the string in the SearchBox
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KStars *p = (KStars *)parent();
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SearchList->clear();
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ObjectNameList &ObjNames = p->data()->ObjNames;
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// check if latin names are used
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ObjNames.setLanguage( Options::useLatinConstellNames() );
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TQString searchFor = SearchBox->text().lower();
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for ( SkyObjectName *name = ObjNames.first( searchFor ); name; name = ObjNames.next() ) {
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if ( name->text().lower().startsWith( searchFor ) ) {
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new SkyObjectNameListItem ( SearchList, name );
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/* if ( i++ >= 5000 ) { //Every 5000 name insertions,
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kapp->processEvents ( 50 ); //spend 50 msec processing TDEApplication events
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i = 0;
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}*/
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}
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}
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setListItemEnabled(); // Automatically highlight first item
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SearchBox->setFocus(); // set cursor to TQLineEdit
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}
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void FindDialog::filterByType() {
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KStars *p = (KStars *)parent();
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SearchList->clear(); // TQListBox
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TQString searchFor = SearchBox->text().lower(); // search string
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ObjectNameList &ObjNames = p->data()->ObjNames;
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// check if latin names are used
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ObjNames.setLanguage( Options::useLatinConstellNames() );
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for ( SkyObjectName *name = ObjNames.first( searchFor ); name; name = ObjNames.next() ) {
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//Special case: match SkyObject Type 0 with Filter==1 (stars)
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if ( name->skyObject()->type() == Filter || (name->skyObject()->type() == 0 && Filter == 1 ) ) {
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if ( name->text().lower().startsWith( searchFor ) ) {
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// for stars, don't show the ones below the faint limit
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if (Filter!=1 || name->skyObject()->mag() <= Options::magLimitDrawStar() ) {
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new SkyObjectNameListItem ( SearchList, name );
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}
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}
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}
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}
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setListItemEnabled(); // Automatically highlight first item
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SearchBox->setFocus(); // set cursor to TQLineEdit
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}
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void FindDialog::setListItemEnabled() {
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SearchList->setSelected (0, true);
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if (!SearchList->isSelected (0))
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updateSelection (0);
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}
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void FindDialog::updateSelection (TQListBoxItem *it) {
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currentitem = (SkyObjectNameListItem *) it;
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SearchBox->setFocus(); // set cursor to TQLineEdit
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}
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void FindDialog::setFilter( int f ) {
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// Translate the Listbox index to the correct SkyObject Type ID
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int f2( f ); // in most cases, they are the same number
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if ( f >= 7 ) f2 = f + 1; //need to skip unused "Supernova Remnant" Type at position 7
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// check if filter was changed or if filter is still the same
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if ( Filter != f2 ) {
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Filter = f2;
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if ( Filter == 0 ) { // any type will shown
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// delete old connections and create new connections
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disconnect( SearchBox, TQT_SIGNAL( textChanged( const TQString & ) ), this, TQT_SLOT( filterByType() ) );
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connect( SearchBox, TQT_SIGNAL( textChanged( const TQString & ) ), TQT_SLOT( filter() ) );
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filter();
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}
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else {
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// delete old connections and create new connections
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disconnect( SearchBox, TQT_SIGNAL( textChanged( const TQString & ) ), this, TQT_SLOT( filter() ) );
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connect( SearchBox, TQT_SIGNAL( textChanged( const TQString & ) ), TQT_SLOT( filterByType() ) );
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filterByType();
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}
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}
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}
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void FindDialog::slotOk() {
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//If no valid object selected, show a sorry-box. Otherwise, emit accept()
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if ( currentItem() == 0 ) {
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TQString message = i18n( "No object named %1 found." ).arg( SearchBox->text() );
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KMessageBox::sorry( 0, message, i18n( "Bad object name" ) );
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} else {
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accept();
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}
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}
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void FindDialog::keyPressEvent( TQKeyEvent *e ) {
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switch( e->key() ) {
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case Key_Down :
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if ( SearchList->currentItem() < ((int) SearchList->count()) - 1 )
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SearchList->setCurrentItem( SearchList->currentItem() + 1 );
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break;
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case Key_Up :
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if ( SearchList->currentItem() )
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SearchList->setCurrentItem( SearchList->currentItem() - 1 );
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break;
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case Key_Escape :
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reject();
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break;
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}
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}
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#include "finddialog.moc"
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