335 lines
9.9 KiB
C++
335 lines
9.9 KiB
C++
/*
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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 (C) 2017-2024 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/color_swatch.h>
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#include <wx/dcmemory.h>
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#include <dpi_scaling_common.h>
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#include <dialogs/dialog_color_picker.h>
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#include <memory>
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wxDEFINE_EVENT( COLOR_SWATCH_CHANGED, wxCommandEvent );
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using KIGFX::COLOR4D;
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wxBitmap COLOR_SWATCH::MakeBitmap( const COLOR4D& aColor, const COLOR4D& aBackground,
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const wxSize& aSize, const wxSize& aCheckerboardSize,
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const COLOR4D& aCheckerboardBackground )
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{
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wxBitmap bitmap( aSize );
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wxMemoryDC iconDC;
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iconDC.SelectObject( bitmap );
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RenderToDC( &iconDC, aColor, aBackground, aSize, aCheckerboardSize, aCheckerboardBackground );
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return bitmap;
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}
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void COLOR_SWATCH::RenderToDC( wxDC* aDC, const KIGFX::COLOR4D& aColor,
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const KIGFX::COLOR4D& aBackground, const wxRect& aRect,
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const wxSize& aCheckerboardSize,
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const KIGFX::COLOR4D& aCheckerboardBackground )
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{
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wxColor fg = aColor.ToColour();
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wxBrush brush;
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brush.SetStyle( wxBRUSHSTYLE_SOLID );
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aDC->SetPen( *wxTRANSPARENT_PEN );
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// Draw a checkerboard
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COLOR4D white;
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COLOR4D black;
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bool rowCycle;
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if( aColor == COLOR4D::UNSPECIFIED )
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{
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if( aCheckerboardBackground.GetBrightness() > 0.4 )
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{
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white = COLOR4D::WHITE;
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black = white.Darkened( 0.15 );
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rowCycle = true;
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}
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else
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{
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black = COLOR4D::BLACK;
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white = black.Brightened( 0.15 );
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rowCycle = false;
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}
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}
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else
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{
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if( aBackground.GetBrightness() > 0.4 )
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{
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white = aBackground;
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black = white.Darkened( 0.15 );
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rowCycle = true;
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}
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else
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{
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black = COLOR4D::BLACK;
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white = black.Brightened( 0.15 );
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rowCycle = false;
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}
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}
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for( int x = aRect.GetLeft(); x <= aRect.GetRight(); x += aCheckerboardSize.x )
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{
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bool colCycle = rowCycle;
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for( int y = aRect.GetTop(); y <= aRect.GetBottom(); y += aCheckerboardSize.y )
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{
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wxColor bg = colCycle ? black.ToColour() : white.ToColour();
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// Blend fg bg with the checkerboard
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unsigned char r = wxColor::AlphaBlend( fg.Red(), bg.Red(), aColor.a );
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unsigned char g = wxColor::AlphaBlend( fg.Green(), bg.Green(), aColor.a );
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unsigned char b = wxColor::AlphaBlend( fg.Blue(), bg.Blue(), aColor.a );
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brush.SetColour( r, g, b );
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aDC->SetBrush( brush );
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aDC->DrawRectangle( x, y, aCheckerboardSize.x, aCheckerboardSize.y );
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colCycle = !colCycle;
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}
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rowCycle = !rowCycle;
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}
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}
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COLOR_SWATCH::COLOR_SWATCH( wxWindow* aParent, const COLOR4D& aColor, int aID,
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const COLOR4D& aBackground, const COLOR4D& aDefault,
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SWATCH_SIZE aSwatchSize, bool aTriggerWithSingleClick ) :
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wxPanel( aParent, aID ),
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m_color( aColor ),
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m_background( aBackground ),
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m_default( aDefault ),
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m_userColors( nullptr ),
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m_readOnly( false ),
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m_supportsOpacity( true )
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{
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wxASSERT_MSG( aSwatchSize != SWATCH_EXPAND, wxS( "SWATCH_EXPAND not supported in COLOR_SWATCH" ) );
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switch( aSwatchSize )
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{
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case SWATCH_MEDIUM: m_size = ConvertDialogToPixels( SWATCH_SIZE_MEDIUM_DU ); break;
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case SWATCH_SMALL: m_size = ConvertDialogToPixels( SWATCH_SIZE_SMALL_DU ); break;
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case SWATCH_LARGE: m_size = ConvertDialogToPixels( SWATCH_SIZE_LARGE_DU ); break;
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case SWATCH_EXPAND: m_size = ConvertDialogToPixels( SWATCH_SIZE_LARGE_DU ); break;
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}
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m_checkerboardSize = ConvertDialogToPixels( CHECKERBOARD_SIZE_DU );
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m_checkerboardBg = aParent->GetBackgroundColour();
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auto sizer = new wxBoxSizer( wxHORIZONTAL );
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SetSizer( sizer );
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wxBitmap bitmap = COLOR_SWATCH::MakeBitmap( aColor, aBackground, m_size, m_checkerboardSize,
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m_checkerboardBg );
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bitmap.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch = new wxStaticBitmap( this, aID, bitmap );
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sizer->Add( m_swatch, 0, 0 );
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setupEvents( aTriggerWithSingleClick );
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}
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COLOR_SWATCH::COLOR_SWATCH( wxWindow* aParent, wxWindowID aID, const wxPoint& aPos,
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const wxSize& aSize, long aStyle ) :
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wxPanel( aParent, aID, aPos, aSize, aStyle ),
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m_userColors( nullptr ),
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m_readOnly( false ),
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m_supportsOpacity( true )
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{
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if( aSize == wxDefaultSize )
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m_size = ConvertDialogToPixels( SWATCH_SIZE_MEDIUM_DU );
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else
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m_size = aSize;
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m_checkerboardSize = ConvertDialogToPixels( CHECKERBOARD_SIZE_DU );
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m_checkerboardBg = aParent->GetBackgroundColour();
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SetSize( m_size );
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auto sizer = new wxBoxSizer( wxHORIZONTAL );
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SetSizer( sizer );
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wxBitmap bitmap = COLOR_SWATCH::MakeBitmap( COLOR4D::UNSPECIFIED, COLOR4D::UNSPECIFIED,
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m_size, m_checkerboardSize, m_checkerboardBg );
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bitmap.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch = new wxStaticBitmap( this, aID, bitmap );
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sizer->Add( m_swatch, 0, 0 );
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setupEvents( false );
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}
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void COLOR_SWATCH::setupEvents( bool aTriggerWithSingleClick )
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{
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wxWindow* topLevelParent = wxGetTopLevelParent( GetParent() );
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if( topLevelParent && dynamic_cast<DIALOG_SHIM*>( topLevelParent ) )
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{
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m_swatch->Bind( wxEVT_LEFT_DOWN,
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[this] ( wxMouseEvent& aEvt )
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{
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GetNewSwatchColor();
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} );
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}
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else
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{
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// forward click to any other listeners, since we don't want them
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m_swatch->Bind( wxEVT_LEFT_DOWN, &COLOR_SWATCH::rePostEvent, this );
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// bind the events that trigger the dialog
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m_swatch->Bind( wxEVT_LEFT_DCLICK,
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[this] ( wxMouseEvent& aEvt )
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{
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GetNewSwatchColor();
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} );
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if( aTriggerWithSingleClick )
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{
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m_swatch->Bind( wxEVT_LEFT_UP,
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[this] ( wxMouseEvent& aEvt )
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{
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GetNewSwatchColor();
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} );
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}
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}
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m_swatch->Bind( wxEVT_MIDDLE_DOWN,
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[this] ( wxMouseEvent& aEvt )
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{
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GetNewSwatchColor();
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} );
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m_swatch->Bind( wxEVT_RIGHT_DOWN, &COLOR_SWATCH::rePostEvent, this );
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}
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void COLOR_SWATCH::rePostEvent( wxEvent& aEvent )
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{
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wxPostEvent( this, aEvent );
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}
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static void sendSwatchChangeEvent( COLOR_SWATCH& aSender )
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{
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wxCommandEvent changeEvt( COLOR_SWATCH_CHANGED, aSender.GetId() );
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// use this class as the object (alternative might be to
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// set a custom event class but that's more work)
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changeEvt.SetEventObject( &aSender );
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wxPostEvent( &aSender, changeEvt );
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}
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void COLOR_SWATCH::SetSwatchColor( const COLOR4D& aColor, bool aSendEvent )
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{
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m_color = aColor;
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wxBitmap bm = MakeBitmap( m_color, m_background, m_size, m_checkerboardSize, m_checkerboardBg );
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bm.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch->SetBitmap( bm );
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if( aSendEvent )
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sendSwatchChangeEvent( *this );
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}
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void COLOR_SWATCH::SetDefaultColor( const COLOR4D& aColor )
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{
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m_default = aColor;
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}
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void COLOR_SWATCH::SetSwatchBackground( const COLOR4D& aBackground )
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{
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m_background = aBackground;
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wxBitmap bm = MakeBitmap( m_color, m_background, m_size, m_checkerboardSize, m_checkerboardBg );
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bm.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch->SetBitmap( bm );
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}
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COLOR4D COLOR_SWATCH::GetSwatchColor() const
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{
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return m_color;
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}
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void COLOR_SWATCH::GetNewSwatchColor()
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{
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if( m_readOnly )
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{
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if( m_readOnlyCallback )
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m_readOnlyCallback();
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return;
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}
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DIALOG_COLOR_PICKER dialog( ::wxGetTopLevelParent( this ), m_color, m_supportsOpacity,
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m_userColors, m_default );
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if( dialog.ShowModal() == wxID_OK )
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{
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COLOR4D newColor = dialog.GetColor();
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if( newColor != COLOR4D::UNSPECIFIED || m_default == COLOR4D::UNSPECIFIED )
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{
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m_color = newColor;
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wxBitmap bm = MakeBitmap( newColor, m_background, m_size, m_checkerboardSize,
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m_checkerboardBg );
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bm.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch->SetBitmap( bm );
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sendSwatchChangeEvent( *this );
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}
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}
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}
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void COLOR_SWATCH::OnDarkModeToggle()
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{
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m_checkerboardBg = m_parent->GetBackgroundColour();
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wxBitmap bm = MakeBitmap( m_color, m_background, m_size, m_checkerboardSize, m_checkerboardBg );
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bm.SetScaleFactor( GetDPIScaleFactor() );
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m_swatch->SetBitmap( bm );
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}
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