kicad/include/widgets/color_swatch.h

143 lines
4.1 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* 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 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>
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 representing a simple color swatch, of the kind used to
* set layer colors
*/
class COLOR_SWATCH: public wxPanel
{
public:
/**
* Construct a COLOR_SWATCH
*
* @param aParent parent window
* @param aColor initial swatch color
* @param aID id to use when sending swatch events
*/
COLOR_SWATCH( wxWindow* aParent, KIGFX::COLOR4D aColor, int aID, KIGFX::COLOR4D aBackground,
const KIGFX::COLOR4D aDefault, SWATCH_SIZE aSwatchType );
/**
* constructor for wxFormBuilder
*/
COLOR_SWATCH( wxWindow *aParent, wxWindowID aId, const wxPoint &aPos = wxDefaultPosition,
const wxSize &aSize = wxDefaultSize, long aStyle = 0 );
/**
* Set the current swatch color directly.
*/
void SetSwatchColor( KIGFX::COLOR4D aColor, bool sendEvent );
/**
* Sets the color that will be chosen with the "Reset to Default" button in the chooser
*/
void SetDefaultColor( KIGFX::COLOR4D aColor );
/**
* Set the swatch background color.
*/
void SetSwatchBackground( KIGFX::COLOR4D aBackground );
/**
* @return the current swatch color
*/
KIGFX::COLOR4D GetSwatchColor() const;
/**
* Prompt for a new colour, using the colour picker dialog.
*
* A colour change event will be sent if it's set.
*/
void GetNewSwatchColor();
void SetReadOnly( bool aReadOnly = true ) { m_readOnly = aReadOnly; }
bool IsReadOnly() const { return m_readOnly; }
/// Registers a handler for when the user tries to interact with a read-only swatch
void SetReadOnlyCallback( std::function<void()> aCallback ) { m_readOnlyCallback = aCallback; }
static wxBitmap MakeBitmap( KIGFX::COLOR4D aColor, KIGFX::COLOR4D aBackground, wxSize aSize,
wxSize aCheckerboardSize, KIGFX::COLOR4D aCheckerboardBackground );
private:
void setupEvents();
/**
* Pass unwanted events on to listeners of this object
*/
void rePostEvent( wxEvent& aEvt );
KIGFX::COLOR4D m_color;
KIGFX::COLOR4D m_background;
KIGFX::COLOR4D m_default;
wxStaticBitmap* m_swatch;
wxSize m_size;
wxSize m_checkerboardSize;
KIGFX::COLOR4D m_checkerboardBg;
/// A read-only swatch won't show the color chooser dialog but otherwise works normally
bool m_readOnly;
std::function<void()> m_readOnlyCallback;
};
/**
* Event signalling a swatch has changed color
*/
wxDECLARE_EVENT(COLOR_SWATCH_CHANGED, wxCommandEvent);
#endif // COLOR_SWATCH__H_