konq_dirpart.cc

00001 /* This file is part of the KDE projects
00002    Copyright (C) 2000 David Faure <faure@kde.org>
00003 
00004    This program is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This program is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     General Public License for more details.
00013 
00014    You should have received a copy of the GNU General Public License
00015    along with this program; see the file COPYING.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include "konq_dirpart.h"
00021 #include "konq_bgnddlg.h"
00022 #include "konq_propsview.h"
00023 #include "konq_settings.h"
00024 
00025 #include <kio/paste.h>
00026 #include <kapplication.h>
00027 #include <kaction.h>
00028 #include <kdatastream.h>
00029 #include <kdebug.h>
00030 #include <kdirlister.h>
00031 #include <kiconloader.h>
00032 #include <klocale.h>
00033 #include <kmessagebox.h>
00034 #include <konq_drag.h>
00035 #include <kparts/browserextension.h>
00036 #include <kurldrag.h>
00037 #include <kuserprofile.h>
00038 #include <kurifilter.h>
00039 #include <kglobalsettings.h>
00040 
00041 #include <qapplication.h>
00042 #include <qclipboard.h>
00043 #include <qfile.h>
00044 #include <assert.h>
00045 #include <qvaluevector.h>
00046 
00047 class KonqDirPart::KonqDirPartPrivate
00048 {
00049 public:
00050     KonqDirPartPrivate() : dirLister( 0 ) {}
00051     QStringList mimeFilters;
00052     KToggleAction *aEnormousIcons;
00053     KToggleAction *aSmallMediumIcons;
00054     QValueVector<int> iconSize;
00055 
00056     KDirLister* dirLister;
00057     bool dirSizeDirty;
00058 
00059     void findAvailableIconSizes(void);
00060     int findNearestIconSize(int size);
00061     int nearestIconSizeError(int size);
00062 };
00063 
00064 void KonqDirPart::KonqDirPartPrivate::findAvailableIconSizes(void)
00065 {
00066     KIconTheme *root = KGlobal::instance()->iconLoader()->theme();
00067     iconSize.resize(1);
00068     if (root) {
00069     QValueList<int> avSizes = root->querySizes(KIcon::Desktop);
00070         kdDebug(1203) << "The icon theme handles the sizes:" << avSizes << endl;
00071     qHeapSort(avSizes);
00072     int oldSize = -1;
00073     if (avSizes.count() < 10) {
00074         // Fixed or threshold type icons
00075         QValueListConstIterator<int> i;
00076         for (i = avSizes.begin(); i != avSizes.end(); i++) {
00077         // Skip duplicated values (sanity check)
00078         if (*i != oldSize) iconSize.append(*i);
00079         oldSize = *i;
00080         }
00081     } else {
00082         // Scalable icons.
00083         const int progression[] = {16, 22, 32, 48, 64, 96, 128, 192, 256};
00084 
00085         QValueListConstIterator<int> j = avSizes.begin();
00086         for (uint i = 0; i < 9; i++) {
00087         while (j++ != avSizes.end()) {
00088             if (*j >= progression[i]) {
00089             iconSize.append(*j);
00090             kdDebug(1203) << "appending " << *j << " size." << endl;
00091             break;
00092             }
00093         }
00094         }
00095     }
00096     } else {
00097     iconSize.append(KIcon::SizeSmall); // 16
00098     iconSize.append(KIcon::SizeMedium); // 32
00099     iconSize.append(KIcon::SizeLarge); // 48
00100     iconSize.append(KIcon::SizeHuge); // 64
00101     }
00102     kdDebug(1203) << "Using " << iconSize.count() << " icon sizes." << endl;
00103 }
00104 
00105 int KonqDirPart::KonqDirPartPrivate::findNearestIconSize(int preferred)
00106 {
00107     int s1 = iconSize[1];
00108     if (preferred == 0) return KGlobal::iconLoader()->currentSize(KIcon::Desktop);
00109     if (preferred <= s1) return s1;
00110     for (uint i = 2; i <= iconSize.count(); i++) {
00111         if (preferred <= iconSize[i]) {
00112         if (preferred - s1 <  iconSize[i] - preferred) return s1;
00113         else return iconSize[i];
00114     } else {
00115         s1 = iconSize[i];
00116     }
00117     }
00118     return s1;
00119 }
00120 
00121 int KonqDirPart::KonqDirPartPrivate::nearestIconSizeError(int size)
00122 {
00123     return QABS(size - findNearestIconSize(size));
00124 }
00125 
00126 KonqDirPart::KonqDirPart( QObject *parent, const char *name )
00127             :KParts::ReadOnlyPart( parent, name ),
00128     m_pProps( 0L ),
00129     m_findPart( 0L )
00130 {
00131     d = new KonqDirPartPrivate;
00132     resetCount();
00133     //m_bMultipleItemsSelected = false;
00134 
00135     connect( QApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(slotClipboardDataChanged()) );
00136 
00137     actionCollection()->setHighlightingEnabled( true );
00138 
00139     m_paIncIconSize = new KAction( i18n( "Enlarge Icons" ), "viewmag+", 0, this, SLOT( slotIncIconSize() ), actionCollection(), "incIconSize" );
00140     m_paDecIconSize = new KAction( i18n( "Shrink Icons" ), "viewmag-", 0, this, SLOT( slotDecIconSize() ), actionCollection(), "decIconSize" );
00141 
00142     m_paDefaultIcons = new KRadioAction( i18n( "&Default Size" ), 0, actionCollection(), "modedefault" );
00143     d->aEnormousIcons = new KRadioAction( i18n( "&Huge" ), 0,
00144         actionCollection(), "modeenormous" );
00145     m_paHugeIcons = new KRadioAction( i18n( "&Very Large" ), 0, actionCollection(), "modehuge" );
00146     m_paLargeIcons = new KRadioAction( i18n( "&Large" ), 0, actionCollection(), "modelarge" );
00147     m_paMediumIcons = new KRadioAction( i18n( "&Medium" ), 0, actionCollection(), "modemedium" );
00148     d->aSmallMediumIcons = new KRadioAction( i18n( "&Small" ), 0,
00149         actionCollection(), "modesmallmedium" );
00150     m_paSmallIcons = new KRadioAction( i18n( "&Tiny" ), 0, actionCollection(), "modesmall" );
00151 
00152     m_paDefaultIcons->setExclusiveGroup( "ViewMode" );
00153     d->aEnormousIcons->setExclusiveGroup( "ViewMode" );
00154     m_paHugeIcons->setExclusiveGroup( "ViewMode" );
00155     m_paLargeIcons->setExclusiveGroup( "ViewMode" );
00156     m_paMediumIcons->setExclusiveGroup( "ViewMode" );
00157     d->aSmallMediumIcons->setExclusiveGroup( "ViewMode" );
00158     m_paSmallIcons->setExclusiveGroup( "ViewMode" );
00159 
00160     connect( m_paDefaultIcons, SIGNAL( toggled( bool ) ), this, SLOT( slotIconSizeToggled( bool ) ) );
00161     connect( d->aEnormousIcons, SIGNAL( toggled( bool ) ),
00162         this, SLOT( slotIconSizeToggled( bool ) ) );
00163     connect( m_paHugeIcons, SIGNAL( toggled( bool ) ), this, SLOT( slotIconSizeToggled( bool ) ) );
00164     connect( m_paLargeIcons, SIGNAL( toggled( bool ) ), this, SLOT( slotIconSizeToggled( bool ) ) );
00165     connect( m_paMediumIcons, SIGNAL( toggled( bool ) ), this, SLOT( slotIconSizeToggled( bool ) ) );
00166     connect( d->aSmallMediumIcons, SIGNAL( toggled( bool ) ),
00167         this, SLOT( slotIconSizeToggled( bool ) ) );
00168     connect( m_paSmallIcons, SIGNAL( toggled( bool ) ), this, SLOT( slotIconSizeToggled( bool ) ) );
00169 
00170     connect( kapp, SIGNAL(iconChanged(int)), SLOT(slotIconChanged(int)) );
00171 #if 0
00172     // Extract 6 icon sizes from the icon theme.
00173     // Use 16,22,32,48,64,128 as default.
00174     // Use these also if the icon theme is scalable.
00175     int i;
00176     d->iconSize[0] = 0; // Default value
00177     d->iconSize[1] = KIcon::SizeSmall; // 16
00178     d->iconSize[2] = KIcon::SizeSmallMedium; // 22
00179     d->iconSize[3] = KIcon::SizeMedium; // 32
00180     d->iconSize[4] = KIcon::SizeLarge; // 48
00181     d->iconSize[5] = KIcon::SizeHuge; // 64
00182     d->iconSize[6] = KIcon::SizeEnormous; // 128
00183     d->iconSize[7] = 192;
00184     d->iconSize[8] = 256;
00185     KIconTheme *root = KGlobal::instance()->iconLoader()->theme();
00186     if (root)
00187     {
00188       QValueList<int> avSizes = root->querySizes(KIcon::Desktop);
00189       kdDebug(1203) << "the icon theme handles the following sizes:" << avSizes << endl;
00190       if (avSizes.count() < 10) {
00191     // Use the icon sizes supplied by the theme.
00192     // If avSizes contains more than 10 entries, assume a scalable
00193     // icon theme.
00194     QValueList<int>::Iterator it;
00195     for (i=1, it=avSizes.begin(); (it!=avSizes.end()) && (i<7); it++, i++)
00196     {
00197       d->iconSize[i] = *it;
00198       kdDebug(1203) << "m_iIconSize[" << i << "] = " << *it << endl;
00199     }
00200     // Generate missing sizes
00201     for (; i < 7; i++) {
00202       d->iconSize[i] = d->iconSize[i - 1] + d->iconSize[i - 1] / 2 ;
00203       kdDebug(1203) << "m_iIconSize[" << i << "] = " << d->iconSize[i] << endl;
00204     }
00205       }
00206     }
00207 #else
00208     d->iconSize.reserve(10);
00209     d->iconSize.append(0); // Default value
00210     adjustIconSizes();
00211 #endif
00212 
00213     // Remove in KDE4 ...
00214     // These are here in the event subclasses access them.
00215     m_iIconSize[1] = KIcon::SizeSmall;
00216     m_iIconSize[2] = KIcon::SizeMedium;
00217     m_iIconSize[3] = KIcon::SizeLarge;
00218     m_iIconSize[4] = KIcon::SizeHuge;
00219     // ... up to here
00220 
00221     KAction *a = new KAction( i18n( "Configure Background..." ), "background", 0, this, SLOT( slotBackgroundSettings() ),
00222                               actionCollection(), "bgsettings" );
00223 
00224     a->setToolTip( i18n( "Allows choosing of background settings for this view" ) );
00225 }
00226 
00227 KonqDirPart::~KonqDirPart()
00228 {
00229     // Close the find part with us
00230     delete m_findPart;
00231     delete d;
00232 }
00233 
00234 void KonqDirPart::adjustIconSizes()
00235 {
00236     d->findAvailableIconSizes();
00237     m_paSmallIcons->setEnabled(d->findNearestIconSize(16) < 20);
00238     d->aSmallMediumIcons->setEnabled(d->nearestIconSizeError(22) < 2);
00239     m_paMediumIcons->setEnabled(d->nearestIconSizeError(32) < 6);
00240     m_paLargeIcons->setEnabled(d->nearestIconSizeError(48) < 8);
00241     m_paHugeIcons->setEnabled(d->nearestIconSizeError(64) < 12);
00242     d->aEnormousIcons->setEnabled(d->findNearestIconSize(128) > 110);
00243 
00244     if (m_pProps) {
00245     int size = m_pProps->iconSize();
00246     int nearSize = d->findNearestIconSize(size);
00247 
00248     if (size != nearSize) {
00249         m_pProps->setIconSize(nearSize);
00250     }
00251     newIconSize(nearSize);
00252     }
00253 }
00254 
00255 void KonqDirPart::setMimeFilter (const QStringList& mime)
00256 {
00257     QString u = url().url();
00258 
00259     if ( u.isEmpty () )
00260         return;
00261 
00262     if ( mime.isEmpty() )
00263         d->mimeFilters.clear();
00264     else
00265         d->mimeFilters = mime;
00266 }
00267 
00268 QStringList KonqDirPart::mimeFilter() const
00269 {
00270     return d->mimeFilters;
00271 }
00272 
00273 QScrollView * KonqDirPart::scrollWidget()
00274 {
00275     return static_cast<QScrollView *>(widget());
00276 }
00277 
00278 void KonqDirPart::slotBackgroundSettings()
00279 {
00280     QColor bgndColor = m_pProps->bgColor( widget() );
00281     QColor defaultColor = KGlobalSettings::baseColor();
00282     KonqBgndDialog dlg( widget(), m_pProps->bgPixmapFile(), bgndColor, defaultColor );
00283     if ( dlg.exec() == KonqBgndDialog::Accepted )
00284     {
00285         if ( dlg.color().isValid() )
00286         {
00287             m_pProps->setBgColor( dlg.color() );
00288         m_pProps->setBgPixmapFile( "" );
00289     }
00290         else
00291     {
00292             m_pProps->setBgColor( defaultColor );
00293         m_pProps->setBgPixmapFile( dlg.pixmapFile() );
00294         }
00295         m_pProps->applyColors( scrollWidget()->viewport() );
00296         scrollWidget()->viewport()->repaint();
00297     }
00298 }
00299 
00300 void KonqDirPart::lmbClicked( KFileItem * fileItem )
00301 {
00302     KURL url = fileItem->url();
00303     if ( !fileItem->isReadable() )
00304     {
00305         // No permissions or local file that doesn't exist - need to find out which
00306         if ( ( !fileItem->isLocalFile() ) || QFile::exists( url.path() ) )
00307         {
00308             KMessageBox::error( widget(), i18n("<p>You do not have enough permissions to read <b>%1</b></p>").arg(url.prettyURL()) );
00309             return;
00310         }
00311         KMessageBox::error( widget(), i18n("<p><b>%1</b> does not seem to exist anymore</p>").arg(url.prettyURL()) );
00312         return;
00313     }
00314 
00315     KParts::URLArgs args;
00316     fileItem->determineMimeType();
00317     if ( fileItem->isMimeTypeKnown() )
00318         args.serviceType = fileItem->mimetype();
00319     args.trustedSource = true;
00320 
00321     if ( fileItem->isLink() && fileItem->isLocalFile() ) // see KFileItem::run
00322         url = KURL( url, KURL::encode_string( fileItem->linkDest() ) );
00323 
00324     if (KonqFMSettings::settings()->alwaysNewWin() && fileItem->isDir()) {
00325         //args.frameName = "_blank"; // open new window
00326         // We tried the other option, passing the path as framename so that
00327         // an existing window for that dir is reused (like MSWindows does when
00328         // the similar option is activated and the sidebar is hidden (!)).
00329         // But this requires some work, including changing the framename
00330         // when navigating, etc. Not very much requested yet, in addition.
00331         KParts::WindowArgs wargs;
00332         KParts::ReadOnlyPart* dummy;
00333         emit m_extension->createNewWindow( url, args, wargs, dummy );
00334     }
00335     else
00336     {
00337         kdDebug() << "emit m_extension->openURLRequest( " << url.url() << "," << args.serviceType << ")" << endl;
00338         emit m_extension->openURLRequest( url, args );
00339     }
00340 }
00341 
00342 void KonqDirPart::mmbClicked( KFileItem * fileItem )
00343 {
00344     if ( fileItem )
00345     {
00346         // Optimisation to avoid KRun to call kfmclient that then tells us
00347         // to open a window :-)
00348         KService::Ptr offer = KServiceTypeProfile::preferredService(fileItem->mimetype(), "Application");
00349         //if (offer) kdDebug(1203) << "KonqDirPart::mmbClicked: got service " << offer->desktopEntryName() << endl;
00350         if ( offer && offer->desktopEntryName().startsWith("kfmclient") )
00351         {
00352             KParts::URLArgs args;
00353             args.serviceType = fileItem->mimetype();
00354             emit m_extension->createNewWindow( fileItem->url(), args );
00355         }
00356         else
00357             fileItem->run();
00358     }
00359     else
00360     {
00361         m_extension->pasteRequest();
00362     }
00363 }
00364 
00365 void KonqDirPart::saveState( QDataStream& stream )
00366 {
00367     stream << m_nameFilter;
00368 }
00369 
00370 void KonqDirPart::restoreState( QDataStream& stream )
00371 {
00372     stream >> m_nameFilter;
00373 }
00374 
00375 void KonqDirPart::saveFindState( QDataStream& stream )
00376 {
00377     // assert only doable in KDE4.
00378     //assert( m_findPart ); // test done by caller.
00379     if ( !m_findPart )
00380         return;
00381 
00382     // When we have a find part, our own URL wasn't saved (see KonqDirPartBrowserExtension)
00383     // So let's do it here
00384     stream << m_url;
00385 
00386     KParts::BrowserExtension* ext = KParts::BrowserExtension::childObject( m_findPart );
00387     if( !ext )
00388         return;
00389 
00390     ext->saveState( stream );
00391 }
00392 
00393 void KonqDirPart::restoreFindState( QDataStream& stream )
00394 {
00395     // Restore our own URL
00396     stream >> m_url;
00397 
00398     emit findOpen( this );
00399 
00400     KParts::BrowserExtension* ext = KParts::BrowserExtension::childObject( m_findPart );
00401     slotClear();
00402 
00403     if( !ext )
00404         return;
00405 
00406     ext->restoreState( stream );
00407 }
00408 
00409 void KonqDirPart::slotClipboardDataChanged()
00410 {
00411     // This is very related to KDIconView::slotClipboardDataChanged
00412 
00413     KURL::List lst;
00414     QMimeSource *data = QApplication::clipboard()->data();
00415     if ( data->provides( "application/x-kde-cutselection" ) && data->provides( "text/uri-list" ) )
00416         if ( KonqDrag::decodeIsCutSelection( data ) )
00417             (void) KURLDrag::decode( data, lst );
00418 
00419     disableIcons( lst );
00420 
00421     updatePasteAction();
00422 }
00423 
00424 void KonqDirPart::updatePasteAction() // KDE4: merge into method above
00425 {
00426     QString actionText = KIO::pasteActionText();
00427     bool paste = !actionText.isEmpty();
00428     if ( paste )
00429       emit m_extension->setActionText( "paste", actionText );
00430     emit m_extension->enableAction( "paste", paste );
00431 }
00432 
00433 void KonqDirPart::newItems( const KFileItemList & entries )
00434 {
00435     d->dirSizeDirty = true;
00436     if ( m_findPart )
00437         emitTotalCount();
00438 
00439     emit itemsAdded( entries );
00440 }
00441 
00442 void KonqDirPart::deleteItem( KFileItem * fileItem )
00443 {
00444     d->dirSizeDirty = true;
00445     emit itemRemoved( fileItem );
00446 }
00447 
00448 void KonqDirPart::emitTotalCount()
00449 {
00450     if ( !d->dirLister || d->dirLister->url().isEmpty() )
00451         return;
00452     if ( d->dirSizeDirty ) {
00453         m_lDirSize = 0;
00454         m_lFileCount = 0;
00455         m_lDirCount = 0;
00456         KFileItemList entries = d->dirLister->items();
00457         for (KFileItemListIterator it(entries); it.current(); ++it)
00458         {
00459             if ( !it.current()->isDir() )
00460             {
00461                 if (!it.current()->isLink()) // symlinks don't contribute to the size
00462                     m_lDirSize += it.current()->size();
00463                 m_lFileCount++;
00464             }
00465             else
00466                 m_lDirCount++;
00467         }
00468         d->dirSizeDirty = false;
00469     }
00470 
00471     QString summary =
00472         KIO::itemsSummaryString(m_lFileCount + m_lDirCount,
00473                                 m_lFileCount,
00474                                 m_lDirCount,
00475                                 m_lDirSize,
00476                                 true);
00477     bool bShowsResult = false;
00478     if (m_findPart)
00479     {
00480         QVariant prop = m_findPart->property( "showsResult" );
00481         bShowsResult = prop.isValid() && prop.toBool();
00482     }
00483     //kdDebug(1203) << "KonqDirPart::emitTotalCount bShowsResult=" << bShowsResult << endl;
00484     emit setStatusBarText( bShowsResult ? i18n("Search result: %1").arg(summary) : summary );
00485 }
00486 
00487 void KonqDirPart::emitCounts( const KFileItemList & lst )
00488 {
00489     if ( lst.count() == 1 )
00490         emit setStatusBarText( ((KFileItemList)lst).first()->getStatusBarInfo() );
00491     else
00492     {
00493         long long fileSizeSum = 0;
00494         uint fileCount = 0;
00495         uint dirCount = 0;
00496 
00497         for ( KFileItemListIterator it( lst ); it.current(); ++it )
00498         {
00499             if ( it.current()->isDir() )
00500                 dirCount++;
00501             else
00502             {
00503                 if ( !it.current()->isLink() ) // ignore symlinks
00504                     fileSizeSum += it.current()->size();
00505                 fileCount++;
00506             }
00507         }
00508 
00509         emit setStatusBarText( KIO::itemsSummaryString( fileCount + dirCount,
00510                                                         fileCount, dirCount,
00511                                                         fileSizeSum, true ) );
00512     }
00513 }
00514 
00515 void KonqDirPart::emitCounts( const KFileItemList & lst, bool selectionChanged )
00516 {
00517     if ( lst.count() == 0 )
00518         emitTotalCount();
00519     else
00520         emitCounts( lst );
00521 
00522     // Yes, the caller could do that too :)
00523     // But this bool could also be used to cache the QString for the last
00524     // selection, as long as selectionChanged is false.
00525     // Not sure it's worth it though.
00526     // MiB: no, I don't think it's worth it. Especially regarding the
00527     //      loss of readability of the code. Thus, this will be removed in
00528     //      KDE 4.0.
00529     if ( selectionChanged )
00530         emit m_extension->selectionInfo( lst );
00531 }
00532 
00533 void KonqDirPart::emitMouseOver( const KFileItem* item )
00534 {
00535     emit m_extension->mouseOverInfo( item );
00536 }
00537 
00538 void KonqDirPart::slotIconSizeToggled( bool toggleOn )
00539 {
00540     //kdDebug(1203) << "KonqDirPart::slotIconSizeToggled" << endl;
00541 
00542     // This slot is called when an iconsize action is checked or by calling
00543     // action->setChecked(false) (previously true). So we must filter out
00544     // the 'untoggled' case to prevent odd results here (repaints/loops!)
00545     if ( !toggleOn )
00546         return;
00547 
00548     if ( m_paDefaultIcons->isChecked() )
00549         setIconSize(0);
00550     else if ( d->aEnormousIcons->isChecked() )
00551         setIconSize(d->findNearestIconSize(KIcon::SizeEnormous));
00552     else if ( m_paHugeIcons->isChecked() )
00553         setIconSize(d->findNearestIconSize(KIcon::SizeHuge));
00554     else if ( m_paLargeIcons->isChecked() )
00555         setIconSize(d->findNearestIconSize(KIcon::SizeLarge));
00556     else if ( m_paMediumIcons->isChecked() )
00557         setIconSize(d->findNearestIconSize(KIcon::SizeMedium));
00558     else if ( d->aSmallMediumIcons->isChecked() )
00559         setIconSize(d->findNearestIconSize(KIcon::SizeSmallMedium));
00560     else if ( m_paSmallIcons->isChecked() )
00561         setIconSize(d->findNearestIconSize(KIcon::SizeSmall));
00562 }
00563 
00564 void KonqDirPart::slotIncIconSize()
00565 {
00566     int s = m_pProps->iconSize();
00567     s = s ? s : KGlobal::iconLoader()->currentSize( KIcon::Desktop );
00568     uint sizeIndex = 0;
00569     for ( uint idx = 1; idx < d->iconSize.count() ; ++idx )
00570         if (s == d->iconSize[idx]) {
00571             sizeIndex = idx;
00572         break;
00573     }
00574     if ( sizeIndex > 0 && sizeIndex < d->iconSize.count() - 1 )
00575     {
00576         setIconSize( d->iconSize[sizeIndex + 1] );
00577     }
00578 }
00579 
00580 void KonqDirPart::slotDecIconSize()
00581 {
00582     int s = m_pProps->iconSize();
00583     s = s ? s : KGlobal::iconLoader()->currentSize( KIcon::Desktop );
00584     uint sizeIndex = 0;
00585     for ( uint idx = 1; idx < d->iconSize.count() ; ++idx )
00586         if (s == d->iconSize[idx]) {
00587             sizeIndex = idx;
00588         break;
00589     }
00590     if ( sizeIndex > 1 )
00591     {
00592         setIconSize( d->iconSize[sizeIndex - 1] );
00593     }
00594 }
00595 
00596 // Only updates Actions, a GUI update is done in the views by reimplementing this
00597 void KonqDirPart::newIconSize( int size /*0=default, or 16,32,48....*/ )
00598 {
00599     int realSize = (size==0) ? KGlobal::iconLoader()->currentSize( KIcon::Desktop ) : size;
00600     m_paDecIconSize->setEnabled(realSize > d->iconSize[1]);
00601     m_paIncIconSize->setEnabled(realSize < d->iconSize.back());
00602 
00603     m_paDefaultIcons->setChecked(size == 0);
00604     d->aEnormousIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeEnormous));
00605     m_paHugeIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeHuge));
00606     m_paLargeIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeLarge));
00607     m_paMediumIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeMedium));
00608     d->aSmallMediumIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeSmallMedium));
00609     m_paSmallIcons->setChecked(size == d->findNearestIconSize(KIcon::SizeSmall));
00610 }
00611 
00612 // Stores the new icon size and updates the GUI
00613 void KonqDirPart::setIconSize( int size )
00614 {
00615     //kdDebug(1203) << "KonqDirPart::setIconSize " << size << " -> updating props and GUI" << endl;
00616     m_pProps->setIconSize( size );
00617     newIconSize( size );
00618 }
00619 
00620 bool KonqDirPart::closeURL()
00621 {
00622     // Tell all the childern objects to clean themselves up for dinner :)
00623     return doCloseURL();
00624 }
00625 
00626 bool KonqDirPart::openURL(const KURL& url)
00627 {
00628     if ( m_findPart )
00629     {
00630         kdDebug(1203) << "KonqDirPart::openURL -> emit findClosed " << this << endl;
00631         delete m_findPart;
00632         m_findPart = 0L;
00633         emit findClosed( this );
00634     }
00635 
00636     m_url = url;
00637     emit aboutToOpenURL ();
00638 
00639     return doOpenURL(url);
00640 }
00641 
00642 void KonqDirPart::setFindPart( KParts::ReadOnlyPart * part )
00643 {
00644     assert(part);
00645     m_findPart = part;
00646     connect( m_findPart, SIGNAL( started() ),
00647              this, SLOT( slotStarted() ) );
00648     connect( m_findPart, SIGNAL( started() ),
00649              this, SLOT( slotStartAnimationSearching() ) );
00650     connect( m_findPart, SIGNAL( clear() ),
00651              this, SLOT( slotClear() ) );
00652     connect( m_findPart, SIGNAL( newItems( const KFileItemList & ) ),
00653              this, SLOT( slotNewItems( const KFileItemList & ) ) );
00654     connect( m_findPart, SIGNAL( finished() ), // can't name it completed, it conflicts with a KROP signal
00655              this, SLOT( slotCompleted() ) );
00656     connect( m_findPart, SIGNAL( finished() ),
00657              this, SLOT( slotStopAnimationSearching() ) );
00658     connect( m_findPart, SIGNAL( canceled() ),
00659              this, SLOT( slotCanceled() ) );
00660     connect( m_findPart, SIGNAL( canceled() ),
00661              this, SLOT( slotStopAnimationSearching() ) );
00662 
00663     connect( m_findPart, SIGNAL( findClosed() ),
00664              this, SLOT( slotFindClosed() ) );
00665 
00666     emit findOpened( this );
00667 
00668     // set the initial URL in the find part
00669     m_findPart->openURL( url() );
00670 }
00671 
00672 void KonqDirPart::slotFindClosed()
00673 {
00674     kdDebug(1203) << "KonqDirPart::slotFindClosed -> emit findClosed " << this << endl;
00675     delete m_findPart;
00676     m_findPart = 0L;
00677     emit findClosed( this );
00678     // reload where we were before
00679     openURL( url() );
00680 }
00681 
00682 void KonqDirPart::slotIconChanged( int group )
00683 {
00684     if (group != KIcon::Desktop) return;
00685     adjustIconSizes();
00686 }
00687 
00688 void KonqDirPart::slotStartAnimationSearching()
00689 {
00690   started(0);
00691 }
00692 
00693 void KonqDirPart::slotStopAnimationSearching()
00694 {
00695   completed();
00696 }
00697 
00698 void KonqDirPartBrowserExtension::saveState( QDataStream &stream )
00699 {
00700     m_dirPart->saveState( stream );
00701     bool hasFindPart = m_dirPart->findPart();
00702     stream << hasFindPart;
00703     assert( ! ( hasFindPart && m_dirPart->className() == "KFindPart" ) );
00704     if ( !hasFindPart )
00705         KParts::BrowserExtension::saveState( stream );
00706     else {
00707         m_dirPart->saveFindState( stream );
00708     }
00709 }
00710 
00711 void KonqDirPartBrowserExtension::restoreState( QDataStream &stream )
00712 {
00713     m_dirPart->restoreState( stream );
00714     bool hasFindPart;
00715     stream >> hasFindPart;
00716     assert( ! ( hasFindPart && m_dirPart->className() == "KFindPart" ) );
00717     if ( !hasFindPart )
00718         // This calls openURL, that's why we don't want to call it in case of a find part
00719         KParts::BrowserExtension::restoreState( stream );
00720     else {
00721         m_dirPart->restoreFindState( stream );
00722     }
00723 }
00724 
00725 
00726 void KonqDirPart::resetCount()
00727 {
00728     m_lDirSize = 0;
00729     m_lFileCount = 0;
00730     m_lDirCount = 0;
00731     d->dirSizeDirty = true;
00732 }
00733 
00734 void KonqDirPart::setDirLister( KDirLister* lister )
00735 {
00736     d->dirLister = lister;
00737 }
00738 
00739 #include "konq_dirpart.moc"
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