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-rw-r--r--kdeui/kiconviewsearchline.cpp308
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diff --git a/kdeui/kiconviewsearchline.cpp b/kdeui/kiconviewsearchline.cpp
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--- a/kdeui/kiconviewsearchline.cpp
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-/* This file is part of the KDE libraries
- Copyright (c) 2010 Timothy Pearson <kb9vqf@pearsoncomputing.net>
- Copyright (c) 2004 Gustavo Sverzut Barbieri <gsbarbieri@users.sourceforge.net>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License version 2 as published by the Free Software Foundation.
-
- 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.
-*/
-
-/**
- * \todo
- * Maybe we should have a common interface for SearchLines, this file
- * is so close (it's actually based on) klistviewsearchline! Only few methods
- * would be reimplemented.
- */
-
-#include "kiconviewsearchline.h"
-
-#include <tqiconview.h>
-#include <klocale.h>
-#include <tqtimer.h>
-#include <kdebug.h>
-
-#define DEFAULT_CASESENSITIVE false
-
-typedef TQValueList <TQIconViewItem *> QIconViewItemList;
-
-class KIconViewSearchLine::KIconViewSearchLinePrivate
-{
-public:
- KIconViewSearchLinePrivate() :
- iconView( 0 ),
- caseSensitive( DEFAULT_CASESENSITIVE ),
- activeSearch( false ),
- hiddenListChanged( 0 ),
- queuedSearches( 0 ) {}
-
- TQIconView *iconView;
- bool caseSensitive;
- bool activeSearch;
- TQString search;
- int queuedSearches;
- int hiddenListChanged;
- QIconViewItemList hiddenItems;
-};
-
-/******************************************************************************
- * Public Methods *
- *****************************************************************************/
-KIconViewSearchLine::KIconViewSearchLine( TQWidget *parent,
- TQIconView *iconView,
- const char *name ) :
- KLineEdit( parent, name )
-{
- d = NULL;
- init( iconView );
-}
-
-KIconViewSearchLine::KIconViewSearchLine( TQWidget *parent, const char *name ) :
- KLineEdit( parent, name )
-{
- d = NULL;
- init( NULL );
-}
-
-KIconViewSearchLine::~KIconViewSearchLine()
-{
- clear(); // empty hiddenItems, returning items back to iconView
- delete d;
-}
-
-bool KIconViewSearchLine::caseSensitive() const
-{
- return d->caseSensitive;
-}
-
-TQIconView *KIconViewSearchLine::iconView() const
-{
- return d->iconView;
-}
-
-/******************************************************************************
- * Public Slots *
- *****************************************************************************/
-void KIconViewSearchLine::updateSearch( const TQString &s )
-{
- long original_count;
- int original_hiddenListChanged;
-
- if( ! d->iconView )
- return; // disabled
-
- TQString search = d->search = s.isNull() ? text() : s;
- TQIconViewItem *currentItem = d->iconView->currentItem();
-
- TQIconViewItem *item = NULL;
-
- // Remove Non-Matching items, add them them to hidden list
- TQIconViewItem *i = d->iconView->firstItem();
- while ( i != NULL ) {
- item = i;
- i = i->nextItem(); // Point to next, otherwise will loose it.
- if ( ! itemMatches( item, search ) ) {
- hideItem( item );
-
- if ( item == currentItem )
- currentItem = NULL; // It's not in iconView anymore.
- }
- }
-
- // Add Matching items, remove from hidden list
- original_count = d->hiddenItems.count();
- original_hiddenListChanged = d->hiddenListChanged;
- for (QIconViewItemList::iterator it=d->hiddenItems.begin();it!=d->hiddenItems.end();++it) {
- item = *it;
- if ((original_count != d->hiddenItems.count()) || (original_hiddenListChanged != d->hiddenListChanged)) {
- // The list has changed; pointers are now most likely invalid
- // ABORT, but restart the search at the beginning
- original_count = d->hiddenItems.count();
- original_hiddenListChanged = d->hiddenListChanged;
- it=d->hiddenItems.begin();
- }
- else {
- if ( itemMatches( item, search ) )
- showItem( item );
- }
- }
- d->iconView->sort();
-
- if ( currentItem != NULL )
- d->iconView->ensureItemVisible( currentItem );
-}
-
-void KIconViewSearchLine::clear()
-{
- // Clear hidden list, give items back to TQIconView, if it still exists
- TQIconViewItem *item = NULL;
- QIconViewItemList::iterator it = d->hiddenItems.begin();
- while ( it != d->hiddenItems.end() )
- {
- item = *it;
- ++it;
- if ( item != NULL )
- {
- if ( d->iconView != NULL )
- showItem( item );
- else
- delete item;
- }
- }
- if ( ! d->hiddenItems.isEmpty() )
- kdDebug() << __FILE__ << ":" << __LINE__ <<
- "hiddenItems is not empty as it should be. " <<
- d->hiddenItems.count() << " items are still there.\n" << endl;
-
- d->search = "";
- d->queuedSearches = 0;
- KLineEdit::clear();
-}
-
-void KIconViewSearchLine::iconDeleted(const TQString &filename) {
- // Clear hidden list, give items back to TQIconView, if it still exists
- TQIconViewItem *item = NULL;
- QIconViewItemList::iterator it = d->hiddenItems.begin();
- while ( it != d->hiddenItems.end() )
- {
- item = *it;
- ++it;
- if ( item != NULL )
- {
- if (item->text() == filename) {
- if (d->iconView != NULL)
- showItem( item );
- else
- delete item;
- }
- }
- }
-}
-
-void KIconViewSearchLine::setCaseSensitive( bool cs )
-{
- d->caseSensitive = cs;
-}
-
-void KIconViewSearchLine::setIconView( TQIconView *iv )
-{
- if ( d->iconView != NULL )
- disconnect( d->iconView, TQT_SIGNAL( destroyed() ),
- this, TQT_SLOT( iconViewDeleted() ) );
-
- d->iconView = iv;
-
- if ( iv != NULL )
- {
- connect( d->iconView, TQT_SIGNAL( destroyed() ),
- this, TQT_SLOT( iconViewDeleted() ) );
- setEnabled( true );
- }
- else
- setEnabled( false );
-}
-
-/******************************************************************************
- * Protected Methods *
- *****************************************************************************/
-bool KIconViewSearchLine::itemMatches( const TQIconViewItem *item,
- const TQString &s ) const
-{
- if ( s.isEmpty() )
- return true;
-
- if ( item == NULL )
- return false;
-
- TQString itemtext = item->text();
- return ( itemtext.find( s, 0, caseSensitive() ) >= 0 );
-}
-
-void KIconViewSearchLine::init( TQIconView *iconView )
-{
- delete d;
- d = new KIconViewSearchLinePrivate;
-
- d->iconView = iconView;
-
- connect( this, TQT_SIGNAL( textChanged( const TQString & ) ),
- this, TQT_SLOT( queueSearch( const TQString & ) ) );
-
- if ( iconView != NULL )
- {
- connect( iconView, TQT_SIGNAL( destroyed() ),
- this, TQT_SLOT( iconViewDeleted() ) );
- setEnabled( true );
- }
- else
- setEnabled( false );
-}
-
-void KIconViewSearchLine::hideItem( TQIconViewItem *item )
-{
- if ( ( item == NULL ) || ( d->iconView == NULL ) )
- return;
-
- d->hiddenListChanged++;
- d->hiddenItems.append( item );
- d->iconView->takeItem( item );
-}
-
-void KIconViewSearchLine::showItem( TQIconViewItem *item )
-{
- if ( d->iconView == NULL )
- {
- kdDebug() << __FILE__ << ":" << __LINE__ <<
- "showItem() could not be called while there's no iconView set." <<
- endl;
- return;
- }
- d->hiddenListChanged++;
- d->iconView->insertItem( item );
- d->hiddenItems.remove( item );
- item->setText(item->text());
-}
-
-/******************************************************************************
- * Protected Slots *
- *****************************************************************************/
-void KIconViewSearchLine::queueSearch( const TQString &s )
-{
- d->queuedSearches++;
- d->search = s;
- TQTimer::singleShot( 200, this, TQT_SLOT( activateSearch() ) );
-}
-
-void KIconViewSearchLine::activateSearch()
-{
- d->queuedSearches--;
-
- if ( d->queuedSearches <= 0 )
- {
- updateSearch( d->search );
- d->queuedSearches = 0;
- }
- else {
- TQTimer::singleShot( 200, this, TQT_SLOT( activateSearch() ) );
- }
-}
-
-/******************************************************************************
- * Private Slots *
- *****************************************************************************/
-void KIconViewSearchLine::iconViewDeleted()
-{
- d->iconView = NULL;
- setEnabled( false );
-}
-
-#include "kiconviewsearchline.moc"
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