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122 lines
3.8 KiB
122 lines
3.8 KiB
/*
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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 The 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 2
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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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#include "widgets/wx_grid_autosizer.h"
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#include <optional>
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#include <wx/settings.h>
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WX_GRID_AUTOSIZER::WX_GRID_AUTOSIZER( wxGrid& aGrid, COL_MIN_WIDTHS aAutosizedCols,
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unsigned aFlexibleCol ) :
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m_grid( aGrid ), m_autosizedCols( std::move( aAutosizedCols ) ),
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m_flexibleCol( aFlexibleCol )
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{
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const int colCount = m_grid.GetNumberCols();
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for( const auto& [colIndex, width] : m_autosizedCols )
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{
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wxASSERT_MSG( colIndex < colCount, "Autosized column does not exist in grid" );
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}
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wxASSERT_MSG( m_flexibleCol < colCount, "Flexible column index does not exist in grid" );
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m_grid.Bind( wxEVT_UPDATE_UI,
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[this]( wxUpdateUIEvent& aEvent )
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{
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recomputeGridWidths();
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} );
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m_grid.Bind( wxEVT_SIZE,
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[this]( wxSizeEvent& aEvent )
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{
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onSizeEvent( aEvent );
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} );
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// Handles the case when the user changes the cell content to be longer than the
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// current column size
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m_grid.Bind( wxEVT_GRID_CELL_CHANGED,
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[this]( wxGridEvent& aEvent )
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{
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m_gridWidthsDirty = true;
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aEvent.Skip();
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} );
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}
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void WX_GRID_AUTOSIZER::recomputeGridWidths()
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{
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if( m_gridWidthsDirty )
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{
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const int width =
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m_grid.GetClientRect().GetWidth() - wxSystemSettings::GetMetric( wxSYS_VSCROLL_X );
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std::optional<int> flexibleMinWidth;
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for( const auto& [colIndex, minWidth] : m_autosizedCols )
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{
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m_grid.AutoSizeColumn( colIndex );
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const int colSize = m_grid.GetColSize( colIndex );
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int minWidthScaled = m_grid.FromDIP( minWidth );
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m_grid.SetColSize( colIndex, std::max( minWidthScaled, colSize ) );
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if( colIndex == m_flexibleCol )
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{
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flexibleMinWidth = minWidthScaled;
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}
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}
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// Gather all the widths except the flexi one
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int nonFlexibleWidth = 0;
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for( int i = 0; i < m_grid.GetNumberCols(); ++i )
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{
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if( i != m_flexibleCol )
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{
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nonFlexibleWidth += m_grid.GetColSize( i );
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}
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}
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m_grid.SetColSize( m_flexibleCol,
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std::max( flexibleMinWidth.value_or( 0 ), width - nonFlexibleWidth ) );
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// Store the state for next time
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m_gridWidth = m_grid.GetSize().GetX();
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m_gridWidthsDirty = false;
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}
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}
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void WX_GRID_AUTOSIZER::onSizeEvent( wxSizeEvent& aEvent )
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{
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const int width = aEvent.GetSize().GetX();
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if( width != m_gridWidth )
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{
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m_gridWidthsDirty = true;
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}
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aEvent.Skip();
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}
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