kicad/common/widgets/wx_dataviewctrl.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <widgets/wx_dataviewctrl.h>
#include <wx/dataview.h>
wxDataViewItem WX_DATAVIEWCTRL::GetPrevItem( wxDataViewItem const& aItem )
{
wxDataViewItem prevItem = GetPrevSibling( aItem );
if( !prevItem.IsOk() )
{
prevItem = GetModel()->GetParent( aItem );
}
else if( IsExpanded( prevItem ) )
{
wxDataViewItemArray children;
GetModel()->GetChildren( prevItem, children );
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if( children.size() )
prevItem = children[children.size() - 1];
}
return prevItem;
}
wxDataViewItem WX_DATAVIEWCTRL::GetNextItem( wxDataViewItem const& aItem )
{
wxDataViewItem nextItem;
wxDataViewItem invalid;
if( !aItem.IsOk() )
{
// No selection. Select the first.
wxDataViewItemArray children;
GetModel()->GetChildren( aItem, children );
if( children.size() )
return children[0];
return invalid;
}
if( IsExpanded( aItem ) )
{
wxDataViewItemArray children;
GetModel()->GetChildren( aItem, children );
if( children.size() )
return children[0];
return invalid;
}
else
{
// Walk up levels until we find one that has a next sibling.
for( wxDataViewItem walk = aItem; walk.IsOk(); walk = GetModel()->GetParent( walk ) )
{
nextItem = GetNextSibling( walk );
if( nextItem.IsOk() )
break;
}
}
return nextItem;
}
wxDataViewItem WX_DATAVIEWCTRL::GetPrevSibling( wxDataViewItem const& aItem )
{
wxDataViewItemArray siblings;
wxDataViewItem invalid;
wxDataViewItem parent = GetModel()->GetParent( aItem );
GetModel()->GetChildren( parent, siblings );
for( size_t i = 0; i < siblings.size(); ++i )
{
if( siblings[i] == aItem )
{
if( i == 0 )
return invalid;
else
return siblings[i - 1];
}
}
return invalid;
}
wxDataViewItem WX_DATAVIEWCTRL::GetNextSibling( wxDataViewItem const& aItem )
{
wxDataViewItemArray siblings;
wxDataViewItem invalid;
wxDataViewItem parent = GetModel()->GetParent( aItem );
GetModel()->GetChildren( parent, siblings );
for( size_t i = 0; i < siblings.size(); ++i )
{
if( siblings[i] == aItem )
{
if( i == siblings.size() - 1 )
return invalid;
else
return siblings[i + 1];
}
}
return invalid;
}