kicad/common/widgets/two_column_tree_list.cpp

143 lines
3.9 KiB
C++
Raw Normal View History

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Chris Pavlina <pavlina.chris@gmail.com>
* Copyright (C) 2017 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, 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 two_column_tree_list.cpp
*/
#include <wx/dataview.h>
#include <widgets/two_column_tree_list.h>
/**
* Extra margin to compensate for vertical scrollbar
*/
static const int HORIZ_MARGIN = 30;
TWO_COLUMN_TREE_LIST::TWO_COLUMN_TREE_LIST( wxWindow* aParent, wxWindowID aID,
const wxPoint & aPos, const wxSize & aSize, long aStyle, const wxString & aName )
: wxTreeListCtrl( aParent, aID, aPos, aSize, aStyle, aName ),
m_rubber_band_column( 0 ),
m_clamped_min_width( 50 )
{
Bind( wxEVT_SIZE, &TWO_COLUMN_TREE_LIST::OnSize, this );
GetDataView()->SetIndent( 10 );
}
void TWO_COLUMN_TREE_LIST::AutosizeColumns()
{
wxSizeEvent dummy;
OnSize( dummy );
}
void TWO_COLUMN_TREE_LIST::OnSize( wxSizeEvent& aEvent )
{
wxDataViewCtrl* view = GetDataView();
if( !view )
return;
wxRect rect = GetClientRect();
view->SetSize( rect );
#ifdef wxHAS_GENERIC_DATAVIEWCTRL
{
wxWindow* win_view = GetView();
win_view->Refresh();
win_view->Update();
}
#endif
// Find the maximum width of both columns
int clamped_column = ( m_rubber_band_column == 0 ) ? 1 : 0;
int clamped_column_width = 0;
int rubber_max_width = 0;
for( wxTreeListItem item = GetFirstItem(); item.IsOk(); item = GetNextItem( item ) )
{
const wxString& text = GetItemText( item, clamped_column );
int width = WidthFor( text );
if( clamped_column == 0 )
{
width += 4 * view->GetIndent();
}
if( width > clamped_column_width )
clamped_column_width = width;
width = MemoWidthFor( GetItemText( item, m_rubber_band_column ) );
if( width > rubber_max_width )
rubber_max_width = width;
}
if( clamped_column_width < m_clamped_min_width )
clamped_column_width = m_clamped_min_width;
// Rubber column width is only limited if the rubber column is on the LEFT.
// If on the right, let the horiz scrollbar show.
int rubber_width = 0;
if( m_rubber_band_column == 0 )
rubber_width = rect.width - clamped_column_width - HORIZ_MARGIN;
else
rubber_width = rubber_max_width;
if( rubber_width <= 0 )
rubber_width = 1;
wxASSERT( m_rubber_band_column == 0 || m_rubber_band_column == 1 );
if( GetColumnCount() >= 2 )
{
SetColumnWidth( m_rubber_band_column, rubber_width );
SetColumnWidth( clamped_column, clamped_column_width );
}
}
int TWO_COLUMN_TREE_LIST::MemoWidthFor( const wxString& aStr )
{
int width;
auto found = m_width_cache.find( aStr );
if( found == m_width_cache.end() )
{
width = WidthFor( aStr );
m_width_cache[aStr] = width;
}
else
{
width = found->second;
}
return width;
}
std::map<wxString, int> TWO_COLUMN_TREE_LIST::m_width_cache;