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/****************************************************************************
KHotKeys
Copyright (C) 1999-2002 Lubos Lunak <l.lunak@kde.org>
Distributed under the terms of the GNU General Public License version 2.
****************************************************************************/
#define _KHLISTVIEW_CPP_
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "khlistview.h"
#include <kdebug.h>
namespace KHotKeys
{
KHListView::KHListView( QWidget* parent_P, const char* name_P )
: KListView( parent_P, name_P ), saved_current_item( NULL ),
in_clear( false ), ignore( false ), force_select( false )
{
connect( this, SIGNAL( selectionChanged( QListViewItem* )),
SLOT( slot_selection_changed( QListViewItem* )));
connect( this, SIGNAL( currentChanged( QListViewItem* )),
SLOT( slot_current_changed( QListViewItem* )));
// CHECKME grrr
connect( this, SIGNAL( selectionChanged()),
SLOT( slot_selection_changed()));
connect( &insert_select_timer, SIGNAL( timeout()),
SLOT( slot_insert_select()));
}
void KHListView::slot_selection_changed()
{
if( ignore )
return;
if( saved_current_item == NULL )
slot_selection_changed( NULL );
else if( !saved_current_item->isSelected()) // no way
setSelected( saved_current_item, true );
}
void KHListView::slot_selection_changed( QListViewItem* item_P )
{
if( ignore )
return;
if( item_P == saved_current_item )
return;
saved_current_item = item_P;
setCurrentItem( saved_current_item );
emit current_changed( saved_current_item );
}
void KHListView::slot_current_changed( QListViewItem* item_P )
{
if( ignore )
return;
insert_select_timer.stop();
if( item_P == saved_current_item )
return;
saved_current_item = item_P;
setSelected( saved_current_item, true );
emit current_changed( saved_current_item );
}
void KHListView::clear()
{
in_clear = true;
KListView::clear();
in_clear = false;
slot_selection_changed( NULL );
}
void KHListView::insertItem( QListViewItem* item_P )
{
bool set = false;
if( !in_clear )
set = childCount() == 0;
KListView::insertItem( item_P );
if( set && force_select )
{
bool block = signalsBlocked();
blockSignals( true );
// SELI tohle spis jen blokovat sebe?
setCurrentItem( item_P );
blockSignals( block );
insert_select_timer.start( 0, true );
}
}
void KHListView::clearSelection()
{
KListView::clearSelection();
slot_current_changed( currentItem());
}
// items are often inserted using the QListViewItem constructor,
// which means that a derived class are not yet fully created
void KHListView::slot_insert_select()
{
if( ignore )
return;
slot_current_changed( currentItem());
}
void KHListView::contentsDropEvent( QDropEvent* e )
{
bool save_ignore = ignore;
ignore = true;
KListView::contentsDropEvent( e );
ignore = save_ignore;
}
} // namespace KHotKeys
#include "khlistview.moc"
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