pg_cell_renderer.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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 <wx/control.h>
#include <wx/dc.h>
#include <wx/propgrid/propgrid.h>
#include <properties/pg_cell_renderer.h>
#include <properties/pg_properties.h>
#include <widgets/color_swatch.h>
 
 
PG_CELL_RENDERER::PG_CELL_RENDERER() :
 wxPGDefaultRenderer()
{}
 
 
bool PG_CELL_RENDERER::Render( wxDC &aDC, const wxRect &aRect, const wxPropertyGrid *aGrid,
 wxPGProperty *aProperty, int aColumn, int aItem, int aFlags ) const
{
 wxPGCell cell = aGrid->GetUnspecifiedValueAppearance();
 
 if( aColumn > 0 )
 {
 if( PGPROPERTY_COLOR4D* colorProp = dynamic_cast<PGPROPERTY_COLOR4D*>( aProperty ) )
 {
 wxAny av = colorProp->GetValue().GetAny();
 KIGFX::COLOR4D color = av.IsNull() ? KIGFX::COLOR4D::UNSPECIFIED
 : av.As<KIGFX::COLOR4D>();
 
 wxSize swatchSize = aGrid->ConvertDialogToPixels( wxSize( 24, 16 ) );
 int offset = ( aRect.GetHeight() - swatchSize.GetHeight() ) / 2;
 wxRect swatch( aRect.GetPosition() + wxPoint( offset, offset ), swatchSize );
 
 aDC.Clear(); // Ensure the "old" background is erased.
 COLOR_SWATCH::RenderToDC( &aDC, color, colorProp->GetBackgroundColor(), swatch,
 aGrid->ConvertDialogToPixels( CHECKERBOARD_SIZE_DU ),
 aGrid->GetBackgroundColour() );
 
 return true;
 }
 
 // Default behavior for value column
 return wxPGDefaultRenderer::Render( aDC, aRect, aGrid, aProperty, aColumn, aItem, aFlags );
 }
 
 wxString text;
 int preDrawFlags = aFlags;
 
 aProperty->GetDisplayInfo( aColumn, aItem, aFlags, &text, &cell );
 
 text = wxControl::Ellipsize( text, aDC, wxELLIPSIZE_END, aRect.GetWidth() );
 
 int imageWidth = PreDrawCell( aDC, aRect, aGrid, cell, preDrawFlags );
 
 int imageOffset = aProperty->GetImageOffset( imageWidth );
 
 DrawEditorValue( aDC, aRect, imageOffset, text, aProperty, nullptr );
 
 PostDrawCell( aDC, aGrid, cell, preDrawFlags );
 
 return !text.IsEmpty();
}