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/*
* This program source code file is part of KiCad, a free EDA CAD application.
* Copyright (C) 2017-2018 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
*/
#include <widgets/color_swatch.h>
#include "color4Dpickerdlg.h"
#include <memory>
wxDEFINE_EVENT(COLOR_SWATCH_CHANGED, wxCommandEvent);
using KIGFX::COLOR4D;
const static wxSize SWATCH_SIZE_DU( 8, 6 );
// See selcolor.cpp:
extern COLOR4D DisplayColorFrame( wxWindow* aParent, COLOR4D aOldColor );
/**
* Make a simple color swatch bitmap
*
* @param aWindow - window used as context for device-independent size
*/
wxBitmap COLOR_SWATCH::MakeBitmap( COLOR4D aColor, COLOR4D aBackground, wxSize aSize )
{
wxBitmap bitmap( aSize );
wxBrush brush;
wxMemoryDC iconDC;
iconDC.SelectObject( bitmap );
brush.SetStyle( wxBRUSHSTYLE_SOLID );
brush.SetColour( aBackground.WithAlpha(1.0).ToColour() );
iconDC.SetBrush( brush );
iconDC.DrawRectangle( 0, 0, aSize.x, aSize.y );
brush.SetColour( aColor.ToColour() );
iconDC.SetBrush( brush );
iconDC.DrawRectangle( 0, 0, aSize.x, aSize.y );
return bitmap;
}
/**
* Function makeColorButton
* creates a wxStaticBitmap and assigns it a solid color and a control ID
*/
static std::unique_ptr<wxStaticBitmap> makeColorSwatch( wxWindow* aParent, COLOR4D aColor,
COLOR4D aBackground, int aID )
{
wxSize size = aParent->ConvertDialogToPixels( SWATCH_SIZE_DU );
wxBitmap bitmap = COLOR_SWATCH::MakeBitmap( aColor, aBackground, size );
auto ret = std::make_unique<wxStaticBitmap>( aParent, aID, bitmap );
return ret;
}
COLOR_SWATCH::COLOR_SWATCH( wxWindow* aParent, COLOR4D aColor, int aID,
bool aArbitraryColors, COLOR4D aBackground ):
wxPanel( aParent, aID ),
m_arbitraryColors( aArbitraryColors ),
m_color( aColor ),
m_background( aBackground )
{
auto sizer = new wxBoxSizer( wxHORIZONTAL );
SetSizer( sizer );
auto swatch = makeColorSwatch( this, m_color, m_background, aID );
m_swatch = swatch.release(); // hold a handle
sizer->Add( m_swatch, 0, 0 );
// forward click to any other listeners, since we don't want them
m_swatch->Bind( wxEVT_LEFT_DOWN, &COLOR_SWATCH::rePostEvent, this );
m_swatch->Bind( wxEVT_RIGHT_DOWN, &COLOR_SWATCH::rePostEvent, this );
// bind the events that trigger the dialog
m_swatch->Bind( wxEVT_LEFT_DCLICK, [this] ( wxMouseEvent& aEvt ) {
GetNewSwatchColor();
} );
m_swatch->Bind( wxEVT_MIDDLE_DOWN, [this] ( wxMouseEvent& aEvt ) {
GetNewSwatchColor();
} );
}
void COLOR_SWATCH::rePostEvent( wxEvent& aEvt )
{
wxPostEvent( this, aEvt );
}
static void sendSwatchChangeEvent( COLOR_SWATCH& aSender )
{
wxCommandEvent changeEvt( COLOR_SWATCH_CHANGED );
// use this class as the object (alternative might be to
// set a custom event class but that's more work)
changeEvt.SetEventObject( &aSender );
wxPostEvent( &aSender, changeEvt );
}
void COLOR_SWATCH::SetSwatchColor( COLOR4D aColor, bool sendEvent )
{
m_color = aColor;
wxBitmap bm = MakeBitmap( m_color, m_background, ConvertDialogToPixels( SWATCH_SIZE_DU ) );
m_swatch->SetBitmap( bm );
if( sendEvent )
{
sendSwatchChangeEvent( *this );
}
}
void COLOR_SWATCH::SetSwatchBackground( COLOR4D aBackground )
{
m_background = aBackground;
wxBitmap bm = MakeBitmap( m_color, m_background, ConvertDialogToPixels( SWATCH_SIZE_DU ) );
m_swatch->SetBitmap( bm );
}
COLOR4D COLOR_SWATCH::GetSwatchColor() const
{
return m_color;
}
void COLOR_SWATCH::GetNewSwatchColor()
{
COLOR4D newColor = COLOR4D::UNSPECIFIED;
if( m_arbitraryColors )
{
COLOR4D_PICKER_DLG dialog( this, m_color, true );
if( dialog.ShowModal() == wxID_OK )
newColor = dialog.GetColor();
}
else
newColor = DisplayColorFrame( this, m_color );
if( newColor != COLOR4D::UNSPECIFIED )
{
m_color = newColor;
wxBitmap bm = MakeBitmap( newColor, m_background, ConvertDialogToPixels( SWATCH_SIZE_DU ) );
m_swatch->SetBitmap( bm );
sendSwatchChangeEvent( *this );
}
}
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