kicad/common/tool/zoom_menu.cpp

75 lines
2.6 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 CERN
* Copyright (C) 2015-2020 KiCad Developers, see AUTHORS.txt for contributors.
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 <tool/zoom_menu.h>
#include <id.h>
#include <eda_draw_frame.h>
#include <settings/app_settings.h>
#include <tool/actions.h>
#include <gal/graphics_abstraction_layer.h>
#include <bitmaps.h>
#include <convert_to_biu.h>
#include <functional>
#include <zoom_defines.h>
using namespace std::placeholders;
ZOOM_MENU::ZOOM_MENU( EDA_DRAW_FRAME* aParent ) :
ACTION_MENU( true ),
m_parent( aParent )
{
SetTitle( _( "Zoom" ) );
SetIcon( zoom_selection_xpm );
int i = ID_POPUP_ZOOM_LEVEL_START + 1; // 0 reserved for menus which support auto-zoom
for( double factor : m_parent->config()->m_Window.zoom_factors )
Append( i++, wxString::Format( _( "Zoom: %.2f" ), factor ), wxEmptyString, wxITEM_CHECK );
}
OPT_TOOL_EVENT ZOOM_MENU::eventHandler( const wxMenuEvent& aEvent )
{
OPT_TOOL_EVENT event( ACTIONS::zoomPreset.MakeEvent() );
event->SetParameter( (intptr_t) aEvent.GetId() - ID_POPUP_ZOOM_LEVEL_START );
return event;
}
void ZOOM_MENU::update()
{
double zoom = m_parent->GetCanvas()->GetGAL()->GetZoomFactor();
const std::vector<double>& zoomList = m_parent->config()->m_Window.zoom_factors;
for( size_t i = 0; i < zoomList.size(); ++i )
{
// Search for a value near the current zoom setting:
double rel_error = std::fabs( zoomList[i] - zoom ) / zoom;
// IDs start with 1 (leaving 0 for auto-zoom)
Check( ID_POPUP_ZOOM_LEVEL_START + i + 1, rel_error < 0.1 );
}
}