281 lines
8.1 KiB
C++
281 lines
8.1 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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* Copyright (C) 2017-2020 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 "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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// See selcolor.cpp:
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extern COLOR4D DisplayColorFrame( wxWindow* aParent, COLOR4D aOldColor );
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/**
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* Make a simple color swatch bitmap
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*
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* @param aWindow - window used as context for device-independent size
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*/
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wxBitmap COLOR_SWATCH::MakeBitmap( COLOR4D aColor, COLOR4D aBackground, wxSize aSize,
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wxSize aCheckerboardSize, COLOR4D aCheckerboardBackground )
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{
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wxBitmap bitmap( aSize );
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wxBrush brush;
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wxPen pen;
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wxMemoryDC iconDC;
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iconDC.SelectObject( bitmap );
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brush.SetStyle( wxBRUSHSTYLE_SOLID );
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if( aColor == COLOR4D::UNSPECIFIED )
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{
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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( 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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for( int x = 0; x < aSize.x; x += aCheckerboardSize.x )
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{
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bool colCycle = rowCycle;
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for( int y = 0; y < aSize.y; y += aCheckerboardSize.y )
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{
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COLOR4D color = colCycle ? black : white;
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brush.SetColour( color.ToColour() );
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pen.SetColour( color.ToColour() );
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iconDC.SetBrush( brush );
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iconDC.SetPen( pen );
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iconDC.DrawRectangle( x, y, x + aCheckerboardSize.x, y + 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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else
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{
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brush.SetColour( aBackground.WithAlpha(1.0).ToColour() );
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pen.SetColour( aBackground.WithAlpha(1.0).ToColour() );
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iconDC.SetBrush( brush );
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iconDC.SetPen( pen );
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iconDC.DrawRectangle( 0, 0, aSize.x, aSize.y );
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brush.SetColour( aColor.ToColour() );
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pen.SetColour( aColor.ToColour() );
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iconDC.SetBrush( brush );
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iconDC.SetPen( pen );
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iconDC.DrawRectangle( 0, 0, aSize.x, aSize.y );
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}
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return bitmap;
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}
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COLOR_SWATCH::COLOR_SWATCH( wxWindow* aParent, COLOR4D aColor, int aID, COLOR4D aBackground,
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const COLOR4D aDefault, SWATCH_SIZE aSwatchSize ) :
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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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{
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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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}
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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,
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m_checkerboardSize, m_checkerboardBg );
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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();
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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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{
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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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m_swatch = new wxStaticBitmap( this, aID, bitmap );
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sizer->Add( m_swatch, 0, 0 );
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setupEvents();
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}
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void COLOR_SWATCH::setupEvents()
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{
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wxWindow* topLevelParent = GetParent();
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while( topLevelParent && !topLevelParent->IsTopLevel() )
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topLevelParent = topLevelParent->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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}
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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& aEvt )
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{
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wxPostEvent( this, aEvt );
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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 );
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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( COLOR4D aColor, bool sendEvent )
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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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m_swatch->SetBitmap( bm );
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if( sendEvent )
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sendSwatchChangeEvent( *this );
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}
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void COLOR_SWATCH::SetDefaultColor( 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( 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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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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DIALOG_COLOR_PICKER dialog( ::wxGetTopLevelParent( this ), m_color, true, nullptr, 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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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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