color_swatch.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017-2021 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
 */

#ifndef COLOR_SWATCH__H_
#define COLOR_SWATCH__H_

#include <wx/bitmap.h>
#include <wx/gdicmn.h>
#include <wx/panel.h>
#include <wx/statbmp.h>
#include <wx/window.h>

#include <functional>

#include <gal/color4d.h>
#include <dialogs/dialog_color_picker.h>

enum SWATCH_SIZE
{
 SWATCH_SMALL,
 SWATCH_MEDIUM,
 SWATCH_LARGE,
 SWATCH_EXPAND
};


const static wxSize SWATCH_SIZE_SMALL_DU( 8, 6 );
const static wxSize SWATCH_SIZE_MEDIUM_DU( 24, 10 );
const static wxSize SWATCH_SIZE_LARGE_DU( 24, 16 );
const static wxSize CHECKERBOARD_SIZE_DU( 3, 3 );


class COLOR_SWATCH: public wxPanel
{
public:

 COLOR_SWATCH( wxWindow* aParent, const KIGFX::COLOR4D& aColor, int aID,
 const KIGFX::COLOR4D& aBackground, const KIGFX::COLOR4D& aDefault,
 SWATCH_SIZE aSwatchType );

 COLOR_SWATCH( wxWindow *aParent, wxWindowID aId, const wxPoint &aPos = wxDefaultPosition,
 const wxSize &aSize = wxDefaultSize, long aStyle = 0 );

 void SetSwatchColor( const KIGFX::COLOR4D& aColor, bool aSendEvent );

 void SetDefaultColor( const KIGFX::COLOR4D& aColor );

 void SetSwatchBackground( const KIGFX::COLOR4D& aBackground );

 void SetUserColors( CUSTOM_COLORS_LIST* aUserColors ) { m_userColors = aUserColors; }

 KIGFX::COLOR4D GetSwatchColor() const;

 void SetWindowID( wxWindowID aId )
 {
 SetId( aId );
 m_swatch->SetId( aId );
 }

 void GetNewSwatchColor();

 void SetReadOnly( bool aReadOnly = true ) { m_readOnly = aReadOnly; }
 bool IsReadOnly() const { return m_readOnly; }

 void SetSupportsOpacity( bool aSupportsOpacity ) { m_supportsOpacity = aSupportsOpacity; }

 void SetReadOnlyCallback( std::function<void()> aCallback ) { m_readOnlyCallback = aCallback; }

 static wxBitmap MakeBitmap( const KIGFX::COLOR4D& aColor, const KIGFX::COLOR4D& aBackground,
 const wxSize& aSize, const wxSize& aCheckerboardSize,
 const KIGFX::COLOR4D& aCheckerboardBackground );

private:
 void setupEvents();

 void rePostEvent( wxEvent& aEvent );

 KIGFX::COLOR4D m_color;
 KIGFX::COLOR4D m_background;
 KIGFX::COLOR4D m_default;
 CUSTOM_COLORS_LIST* m_userColors;

 wxStaticBitmap* m_swatch;

 wxSize m_size;
 wxSize m_checkerboardSize;
 KIGFX::COLOR4D m_checkerboardBg;

 bool m_readOnly;
 std::function<void()> m_readOnlyCallback;

 bool m_supportsOpacity;
};


wxDECLARE_EVENT(COLOR_SWATCH_CHANGED, wxCommandEvent);

#endif // COLOR_SWATCH__H_