143 lines
3.9 KiB
C++
143 lines
3.9 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017 Chris Pavlina <pavlina.chris@gmail.com>
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* Copyright (C) 2017 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file two_column_tree_list.cpp
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*/
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#include <wx/dataview.h>
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#include <widgets/two_column_tree_list.h>
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/**
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* Extra margin to compensate for vertical scrollbar
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*/
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static const int HORIZ_MARGIN = 30;
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TWO_COLUMN_TREE_LIST::TWO_COLUMN_TREE_LIST( wxWindow* aParent, wxWindowID aID,
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const wxPoint & aPos, const wxSize & aSize, long aStyle, const wxString & aName )
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: wxTreeListCtrl( aParent, aID, aPos, aSize, aStyle, aName ),
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m_rubber_band_column( 0 ),
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m_clamped_min_width( 50 )
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{
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Bind( wxEVT_SIZE, &TWO_COLUMN_TREE_LIST::OnSize, this );
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GetDataView()->SetIndent( 10 );
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}
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void TWO_COLUMN_TREE_LIST::AutosizeColumns()
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{
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wxSizeEvent dummy;
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OnSize( dummy );
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}
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void TWO_COLUMN_TREE_LIST::OnSize( wxSizeEvent& aEvent )
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{
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wxDataViewCtrl* view = GetDataView();
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if( !view )
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return;
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wxRect rect = GetClientRect();
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view->SetSize( rect );
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#ifdef wxHAS_GENERIC_DATAVIEWCTRL
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{
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wxWindow* win_view = GetView();
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win_view->Refresh();
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win_view->Update();
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}
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#endif
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// Find the maximum width of both columns
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int clamped_column = ( m_rubber_band_column == 0 ) ? 1 : 0;
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int clamped_column_width = 0;
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int rubber_max_width = 0;
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for( wxTreeListItem item = GetFirstItem(); item.IsOk(); item = GetNextItem( item ) )
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{
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const wxString& text = GetItemText( item, clamped_column );
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int width = WidthFor( text );
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if( clamped_column == 0 )
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{
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width += 4 * view->GetIndent();
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}
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if( width > clamped_column_width )
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clamped_column_width = width;
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width = MemoWidthFor( GetItemText( item, m_rubber_band_column ) );
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if( width > rubber_max_width )
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rubber_max_width = width;
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}
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if( clamped_column_width < m_clamped_min_width )
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clamped_column_width = m_clamped_min_width;
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// Rubber column width is only limited if the rubber column is on the LEFT.
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// If on the right, let the horiz scrollbar show.
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int rubber_width = 0;
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if( m_rubber_band_column == 0 )
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rubber_width = rect.width - clamped_column_width - HORIZ_MARGIN;
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else
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rubber_width = rubber_max_width;
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if( rubber_width <= 0 )
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rubber_width = 1;
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wxASSERT( m_rubber_band_column == 0 || m_rubber_band_column == 1 );
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if( GetColumnCount() >= 2 )
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{
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SetColumnWidth( m_rubber_band_column, rubber_width );
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SetColumnWidth( clamped_column, clamped_column_width );
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}
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}
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int TWO_COLUMN_TREE_LIST::MemoWidthFor( const wxString& aStr )
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{
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int width;
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auto found = m_width_cache.find( aStr );
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if( found == m_width_cache.end() )
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{
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width = WidthFor( aStr );
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m_width_cache[aStr] = width;
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}
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else
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{
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width = found->second;
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}
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return width;
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}
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std::map<wxString, int> TWO_COLUMN_TREE_LIST::m_width_cache;
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