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tdelibs/tdeio/tdefile/kcombiview.cpp

372 lines
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/* This file is part of the KDE libraries
Copyright (C) 1998 Stephan Kulow <coolo@kde.org>
1998 Daniel Grana <grana@ie.iwi.unibe.ch>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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.
*/
// $Id$
#include <assert.h>
#include "tdefileitem.h"
#include "kcombiview.h"
#include "tdefileiconview.h"
#include "tdefiledetailview.h"
#include "config-tdefile.h"
#include <tqevent.h>
#include <tqdir.h>
#include <tdeapplication.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include <tqvaluelist.h>
KCombiView::KCombiView( TQWidget *parent, const char *name)
: TQSplitter( parent, name),
KFileView(),
right(0),
m_lastViewForNextItem(0),
m_lastViewForPrevItem(0)
{
left = new KFileIconView( this, "left" );
left->setAcceptDrops(false);
left->viewport()->setAcceptDrops(false);
left->setGridX( 160 );
left->KFileView::setViewMode( Directories );
left->setArrangement( TQIconView::LeftToRight );
left->setParentView( this );
left->setAcceptDrops(false);
left->installEventFilter( this );
connect( sig, TQT_SIGNAL( sortingChanged( TQDir::SortSpec ) ),
TQT_SLOT( slotSortingChanged( TQDir::SortSpec ) ));
}
KCombiView::~KCombiView()
{
delete right;
}
void KCombiView::setRight(KFileView *view)
{
delete right;
right = view;
right->KFileView::setViewMode( Files );
setViewName( right->viewName() );
TQValueList<int> lst;
lst << left->gridX() + 2 * left->spacing();
setSizes( lst );
setResizeMode( left, TQSplitter::KeepSize );
right->setParentView( this );
right->widget()->setAcceptDrops(acceptDrops());
right->setDropOptions(dropOptions());
right->widget()->installEventFilter( this );
}
void KCombiView::insertItem( KFileItem *item )
{
KFileView::insertItem( item );
if ( item->isDir() ) {
left->updateNumbers( item );
left->insertItem( item );
}
else {
right->updateNumbers( item );
right->insertItem( item );
}
}
void KCombiView::setSorting( TQDir::SortSpec sort )
{
if ( !right )
kdFatal() << "You need to call setRight( someview ) before!" << endl;
right->setSorting( sort );
left->setSorting( sort );
KFileView::setSorting( right->sorting() );
}
void KCombiView::clearView()
{
left->clearView();
if ( right )
right->clearView();
}
void KCombiView::updateView( bool b )
{
left->updateView( b );
if ( right )
right->updateView( b );
}
void KCombiView::updateView( const KFileItem *i )
{
left->updateView( i );
if ( right )
right->updateView( i );
}
void KCombiView::removeItem( const KFileItem *i )
{
left->removeItem( i );
if ( right )
right->removeItem( i );
KFileView::removeItem( i );
}
void KCombiView::listingCompleted()
{
left->listingCompleted();
if ( right )
right->listingCompleted();
}
void KCombiView::clear()
{
KFileView::clear();
left->KFileView::clear();
if ( right )
right->clear();
}
void KCombiView::clearSelection()
{
left->clearSelection();
if ( right )
right->clearSelection();
}
void KCombiView::selectAll()
{
left->selectAll();
if ( right )
right->selectAll();
}
void KCombiView::invertSelection()
{
left->invertSelection();
if ( right )
right->invertSelection();
}
bool KCombiView::isSelected( const KFileItem *item ) const
{
assert( right ); // for performance reasons no if ( right ) check.
return (right->isSelected( item ) || left->isSelected( item ));
}
void KCombiView::setSelectionMode( KFile::SelectionMode sm )
{
// I think the left view (directories should always be in
// Single-Mode, right?
// left->setSelectionMode( sm );
if ( !right )
kdFatal() << "You need to call setRight( someview ) before!" << endl;
right->setSelectionMode( sm );
}
void KCombiView::setSelected( const KFileItem *item, bool enable )
{
left->setSelected( item, enable );
if ( right )
right->setSelected( item, enable );
}
void KCombiView::setCurrentItem( const KFileItem *item )
{
left->setCurrentItem( item );
if ( right )
right->setCurrentItem( item );
}
KFileItem * KCombiView::currentFileItem() const
{
// we can actually have two current items, one in each view. So we simply
// prefer the fileview's item over the directory's.
// Smarter: if the right view has focus, prefer that over the left.
if ( !right )
return left->currentFileItem();
KFileView *preferredView = focusView( right );
KFileItem *item = preferredView->currentFileItem();
if ( !item && preferredView != left )
item = left->currentFileItem();
return item;
}
void KCombiView::ensureItemVisible(const KFileItem *item)
{
left->ensureItemVisible( item );
if ( right )
right->ensureItemVisible( item );
}
KFileItem * KCombiView::firstFileItem() const
{
if ( !right )
return left->firstFileItem();
KFileView *preferredView = focusView( left );
KFileView *otherView = (preferredView == left) ? right : left;
KFileItem *item = preferredView->firstFileItem();
if ( !item )
item = otherView->firstFileItem();
return item;
}
KFileItem * KCombiView::nextItem( const KFileItem *fileItem ) const
{
if ( !right )
return left->nextItem( fileItem );
KFileView *preferredView = focusView( left );
KFileView *otherView = (preferredView == left) ? right : left;
KFileItem *item = preferredView->nextItem( fileItem );
if ( item )
m_lastViewForNextItem = preferredView;
else { // no item, check other view
// when changing from one to another view, we need to continue
// with the next view's first item!
if ( m_lastViewForNextItem != otherView ) {
m_lastViewForNextItem = otherView;
return otherView->firstFileItem();
}
item = otherView->nextItem( fileItem );
m_lastViewForNextItem = otherView;
}
return item;
}
KFileItem * KCombiView::prevItem( const KFileItem *fileItem ) const
{
if ( !right )
return left->nextItem( fileItem );
KFileView *preferredView = focusView( left );
KFileView *otherView = (preferredView == left) ? right : left;
KFileItem *item = preferredView->prevItem( fileItem );
if ( item )
m_lastViewForPrevItem = preferredView;
else { // no item, check other view
// when changing from one to another view, we need to continue
// with the next view's last item!
if ( m_lastViewForPrevItem != otherView ) {
fileItem = otherView->firstFileItem();
while ( otherView->nextItem( fileItem ) ) // find the last item
fileItem = otherView->nextItem( fileItem );
}
item = otherView->prevItem( fileItem );
m_lastViewForPrevItem = otherView;
}
return item;
}
void KCombiView::slotSortingChanged( TQDir::SortSpec sorting )
{
KFileView::setSorting( sorting );
}
KFileView *KCombiView::focusView( KFileView *preferred ) const
{
TQWidget *w = focusWidget();
KFileView *other = (right == preferred) ? left : right;
return (preferred && w == preferred->widget()) ? preferred : other;
}
void KCombiView::readConfig( TDEConfig *config, const TQString& group )
{
left->readConfig( config, group );
if ( right )
right->readConfig( config, group );
}
void KCombiView::writeConfig( TDEConfig *config, const TQString& group )
{
left->writeConfig( config, group );
if ( right )
right->writeConfig( config, group );
}
TDEActionCollection * KCombiView::actionCollection() const
{
return focusView( right )->actionCollection();
}
void KCombiView::setAcceptDrops(bool b)
{
left->setAcceptDrops(b);
if (right)
right->widget()->setAcceptDrops(b);
TQSplitter::setAcceptDrops(b);
}
void KCombiView::setDropOptions_impl(int options)
{
KFileView::setDropOptions_impl(options);
left->setDropOptions(options);
if (right)
right->setDropOptions(options);
}
void KCombiView::virtual_hook( int id, void* data )
{
switch(id) {
case VIRTUAL_SET_DROP_OPTIONS:
setDropOptions_impl(*(int *)data);
break;
default:
KFileView::virtual_hook( id, data );
}
}
bool KCombiView::eventFilter( TQObject *o, TQEvent *e )
{
int type = e->type();
// only the focused view may have a selection
if ( type == TQEvent::FocusIn )
{
if ( o == left )
right->clearSelection();
else if ( o == right->widget() )
left->clearSelection();
}
return TQSplitter::eventFilter( o, e );
}
#include "kcombiview.moc"