kicad/common/widgets/color_swatch.cpp

212 lines
5.9 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
* Copyright (C) 2017-2020 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 "dialog_color_picker.h"
#include <memory>
wxDEFINE_EVENT(COLOR_SWATCH_CHANGED, wxCommandEvent);
using KIGFX::COLOR4D;
const static wxSize PALETTE_SWATCH_SIZE_DU( 8, 6 );
const static wxSize DIALOG_SWATCH_SIZE_DU( 24, 10 );
// 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;
}
COLOR_SWATCH::COLOR_SWATCH( wxWindow* aParent, COLOR4D aColor, int aID, COLOR4D aBackground,
const COLOR4D aDefault ) :
wxPanel( aParent, aID ),
m_color( aColor ),
m_background( aBackground ),
m_default( aDefault )
{
m_size = ConvertDialogToPixels( PALETTE_SWATCH_SIZE_DU );
auto sizer = new wxBoxSizer( wxHORIZONTAL );
SetSizer( sizer );
wxBitmap bitmap = COLOR_SWATCH::MakeBitmap( aColor, aBackground, m_size );
m_swatch = new wxStaticBitmap( this, aID, bitmap );
sizer->Add( m_swatch, 0, 0 );
setupEvents();
}
COLOR_SWATCH::COLOR_SWATCH( wxWindow *aParent, wxWindowID aID, const wxPoint &aPos,
const wxSize &aSize, long aStyle ) :
wxPanel( aParent, aID, aPos, aSize, aStyle )
{
if( aSize == wxDefaultSize )
m_size = ConvertDialogToPixels( DIALOG_SWATCH_SIZE_DU );
else
m_size = aSize;
SetSize( m_size );
auto sizer = new wxBoxSizer( wxHORIZONTAL );
SetSizer( sizer );
wxBitmap bitmap = COLOR_SWATCH::MakeBitmap( KIGFX::COLOR4D::UNSPECIFIED,
KIGFX::COLOR4D::UNSPECIFIED, m_size );
m_swatch = new wxStaticBitmap( this, aID, bitmap );
sizer->Add( m_swatch, 0, 0 );
setupEvents();
}
void COLOR_SWATCH::setupEvents()
{
wxWindow* topLevelParent = GetParent();
while( topLevelParent && !topLevelParent->IsTopLevel() )
topLevelParent = topLevelParent->GetParent();
if( topLevelParent && dynamic_cast<DIALOG_SHIM*>( topLevelParent ) )
{
m_swatch->Bind( wxEVT_LEFT_DOWN,
[this] ( wxMouseEvent& aEvt )
{
GetNewSwatchColor();
} );
}
else
{
// 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, m_size );
m_swatch->SetBitmap( bm );
if( sendEvent )
sendSwatchChangeEvent( *this );
}
void COLOR_SWATCH::SetSwatchBackground( COLOR4D aBackground )
{
m_background = aBackground;
wxBitmap bm = MakeBitmap( m_color, m_background, m_size );
m_swatch->SetBitmap( bm );
}
COLOR4D COLOR_SWATCH::GetSwatchColor() const
{
return m_color;
}
void COLOR_SWATCH::GetNewSwatchColor()
{
COLOR4D newColor = COLOR4D::UNSPECIFIED;
DIALOG_COLOR_PICKER dialog( ::wxGetTopLevelParent( this ), m_color, true, nullptr, m_default );
if( dialog.ShowModal() == wxID_OK )
newColor = dialog.GetColor();
if( newColor != COLOR4D::UNSPECIFIED )
{
m_color = newColor;
wxBitmap bm = MakeBitmap( newColor, m_background, m_size );
m_swatch->SetBitmap( bm );
sendSwatchChangeEvent( *this );
}
}