kicad/common/tool/zoom_menu.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 CERN
* @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>
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#include <id.h>
#include <eda_draw_frame.h>
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#include <base_screen.h>
#include <tool/actions.h>
#include <bitmaps.h>
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#include <functional>
using namespace std::placeholders;
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ZOOM_MENU::ZOOM_MENU( EDA_DRAW_FRAME* aParent ) :
ACTION_MENU( true ),
m_parent( aParent )
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{
BASE_SCREEN* screen = aParent->GetScreen();
SetTitle( _( "Zoom" ) );
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SetIcon( zoom_selection_xpm );
//int zoom = screen->GetZoom();
int maxZoomIds = std::min( ID_POPUP_ZOOM_LEVEL_END - ID_POPUP_ZOOM_LEVEL_START,
(int) screen->m_ZoomList.size() );
for( int i = 0; i < maxZoomIds; ++i )
{
Append( ID_POPUP_ZOOM_LEVEL_START+1 + i, // ID_POPUP_ZOOM_LEVEL_START == Auto
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wxString::Format( _( "Zoom: %.2f" ), aParent->GetZoomLevelCoeff() / screen->m_ZoomList[i] ),
wxEmptyString, wxITEM_CHECK );
}
}
OPT_TOOL_EVENT ZOOM_MENU::eventHandler( const wxMenuEvent& aEvent )
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{
OPT_TOOL_EVENT event( ACTIONS::zoomPreset.MakeEvent() );
intptr_t idx = aEvent.GetId() - ID_POPUP_ZOOM_LEVEL_START;
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event->SetParameter( idx );
return event;
}
void ZOOM_MENU::update()
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{
BASE_SCREEN* screen = m_parent->GetScreen();
double zoom = screen->GetZoom();
const std::vector<double>& zoomList = m_parent->GetScreen()->m_ZoomList;
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// Check the current zoom
int maxZoomIds = std::min( ID_POPUP_ZOOM_LEVEL_END - ID_POPUP_ZOOM_LEVEL_START,
(int) screen->m_ZoomList.size() );
for( int i = 0; i < maxZoomIds; ++i )
{
// Search for a value near the current zoom setting:
double rel_error = std::fabs( zoomList[i] - zoom )/zoom;
Check( ID_POPUP_ZOOM_LEVEL_START+1 + i, rel_error < 0.1 );
}
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}