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