kicad/cvpcb/listboxes.cpp

115 lines
3.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2012 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file listboxes.cpp
* @brief Implementation of class for displaying footprint list and component lists.
*/
#include <fctsys.h>
#include <wxstruct.h>
#include <macros.h>
#include <cvpcb.h>
#include <cvpcb_mainframe.h>
#include <cvstruct.h>
#include <cvpcb_id.h>
/******************************************************************************
* Basic class (from wxListView) to display component and footprint lists
* Not directly used: the 2 list boxes actually used are derived from it
******************************************************************************/
ITEMS_LISTBOX_BASE::ITEMS_LISTBOX_BASE( CVPCB_MAINFRAME* aParent, wxWindowID aId,
const wxPoint& aLocation, const wxSize& aSize,
long aStyle) :
wxListView( aParent, aId, aLocation, aSize, LISTB_STYLE | aStyle ), columnWidth(0)
{
InsertColumn( 0, wxEmptyString );
}
ITEMS_LISTBOX_BASE::~ITEMS_LISTBOX_BASE()
{
}
void ITEMS_LISTBOX_BASE::UpdateWidth( int aLine )
{
// Less than zero: recalculate width of all items.
if( aLine < 0 )
{
columnWidth = 0;
for( int ii = 0; ii < GetItemCount(); ii++ )
{
UpdateLineWidth( (unsigned)ii );
}
}
// Zero or above: update from a single line.
else
{
if( aLine < GetItemCount() )
UpdateLineWidth( (unsigned)aLine );
}
}
/*
* Calculate the width of the given line, and increase the column width
* if needed. This is effectively the wxListCtrl code for autosizing.
* NB. it relies on the caller checking the given line number is valid.
*/
void ITEMS_LISTBOX_BASE::UpdateLineWidth( unsigned aLine )
{
wxClientDC dc( this );
wxCoord w;
int newWidth = 10; // Value of AUTOSIZE_COL_MARGIN from wxWidgets source.
dc.SetFont( GetFont() );
dc.GetTextExtent( GetItemText( aLine, 0 ) + " ", &w, NULL );
newWidth += w;
if( newWidth > columnWidth )
{
columnWidth = newWidth;
SetColumnWidth( 0, columnWidth );
}
}
/*
* Return an index for the selected item
*/
int ITEMS_LISTBOX_BASE::GetSelection()
{
return GetFirstSelected();
}
CVPCB_MAINFRAME* ITEMS_LISTBOX_BASE::GetParent() const
{
return (CVPCB_MAINFRAME*) wxListView::GetParent();
}