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Keep the Thumbnails list to a clever position when changing the filtering

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keyword (instead of going to the top). This way the Tl is closer and more
'in sync' with the current page.

Applied a patch by Luca Burelli.

CCBUG: 175046


svn path=/trunk/KDE/kdegraphics/okular/; revision=883890
This commit is contained in:
Enrico Ros 2008-11-13 19:23:49 +00:00
parent 0346e3a6d1
commit 3462b4f53a
1 changed files with 9 additions and 1 deletions
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10
ui/thumbnaillist.cpp
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@ -216,7 +216,8 @@ void ThumbnailList::notifySetup( const QVector< Okular::Page * > & pages, int se
if ( !( setupFlags & Okular::DocumentObserver::DocumentChanged ) && d->m_selected )
{
prevPage = d->m_selected->page()->number();
}
} else
prevPage = d->m_document->viewport().pageNumber;
// delete all the Thumbnails
QVector<ThumbnailWidget *>::const_iterator tIt = d->m_thumbnails.constBegin(), tEnd = d->m_thumbnails.constEnd();
@ -247,6 +248,7 @@ void ThumbnailList::notifySetup( const QVector< Okular::Page * > & pages, int se
// generate Thumbnails for the given set of pages
int width = viewport()->width();
int height = 0;
int centerHeight = 0;
for ( pIt = pages.constBegin(); pIt != pEnd ; ++pIt )
//if ( skipCheck || (*pIt)->attributes() & flags )
if ( skipCheck || (*pIt)->hasHighlights( SW_SEARCH_ID ) )
@ -258,10 +260,15 @@ void ThumbnailList::notifySetup( const QVector< Okular::Page * > & pages, int se
// update total height (asking widget its own height)
t->resizeFitWidth( width );
// restoring the previous selected page, if any
if ( (*pIt)->number() < prevPage )
{
centerHeight = height + t->height() + KDialog::spacingHint()/2;
}
if ( (*pIt)->number() == prevPage )
{
d->m_selected = t;
d->m_selected->setSelected( true );
centerHeight = height + t->height() / 2;
}
height += t->height() + KDialog::spacingHint();
}
@ -272,6 +279,7 @@ void ThumbnailList::notifySetup( const QVector< Okular::Page * > & pages, int se
// enable scrollbar when there's something to scroll
verticalScrollBar()->setEnabled( viewport()->height() < height );
verticalScrollBar()->setValue(centerHeight - viewport()->height() / 2);
// request for thumbnail generation
d->delayedRequestVisiblePixmaps( 200 );