472 lines
12 KiB
C++
472 lines
12 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) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
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* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2012 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 1992-2012 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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/**
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* @file base_screen.cpp
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* @brief BASE_SCREEN object implementation.
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*/
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#include <fctsys.h>
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#include <macros.h>
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#include <common.h>
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#include <base_struct.h>
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#include <base_screen.h>
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#include <id.h>
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#include <base_units.h>
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wxString BASE_SCREEN::m_PageLayoutDescrFileName; // the name of the page layout descr file.
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BASE_SCREEN::BASE_SCREEN( KICAD_T aType ) :
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EDA_ITEM( aType )
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{
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m_UndoRedoCountMax = DEFAULT_MAX_UNDO_ITEMS;
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m_FirstRedraw = true;
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m_ScreenNumber = 1;
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m_NumberOfScreens = 1; // Hierarchy: Root: ScreenNumber = 1
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m_Zoom = 32.0;
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m_Grid.m_Size = wxRealPoint( 50, 50 ); // Default grid size
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m_Grid.m_CmdId = ID_POPUP_GRID_LEVEL_50;
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m_Center = true;
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m_IsPrinting = false;
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m_ScrollPixelsPerUnitX = 1;
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m_ScrollPixelsPerUnitY = 1;
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m_FlagModified = false; // Set when any change is made on board.
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m_FlagSave = false; // Used in auto save set when an auto save is required.
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SetCurItem( NULL );
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}
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BASE_SCREEN::~BASE_SCREEN()
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{
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}
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void BASE_SCREEN::InitDataPoints( const wxSize& aPageSizeIU )
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{
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if( m_Center )
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{
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m_crossHairPosition.x = 0;
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m_crossHairPosition.y = 0;
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m_DrawOrg.x = -aPageSizeIU.x / 2;
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m_DrawOrg.y = -aPageSizeIU.y / 2;
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}
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else
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{
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m_crossHairPosition.x = aPageSizeIU.x / 2;
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m_crossHairPosition.y = aPageSizeIU.y / 2;
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m_DrawOrg.x = 0;
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m_DrawOrg.y = 0;
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}
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m_O_Curseur.x = m_O_Curseur.y = 0;
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}
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double BASE_SCREEN::GetScalingFactor() const
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{
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double scale = 1.0 / GetZoom();
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return scale;
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}
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void BASE_SCREEN::SetScalingFactor( double aScale )
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{
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// Limit zoom to max and min allowed values:
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double zoom = Clamp( GetMinAllowedZoom(), aScale, GetMaxAllowedZoom() );
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SetZoom( zoom );
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}
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bool BASE_SCREEN::SetFirstZoom()
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{
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return SetZoom( GetMinAllowedZoom() );
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}
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bool BASE_SCREEN::SetLastZoom()
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{
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return SetZoom( GetMaxAllowedZoom() );
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}
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bool BASE_SCREEN::SetZoom( double iu_per_du )
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{
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if( iu_per_du == m_Zoom )
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return false;
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//wxLogDebug( "Zoom:%.16g 1/Zoom:%.16g", iu_per_du, 1/iu_per_du );
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if( iu_per_du < GetMinAllowedZoom() )
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return false;
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if( iu_per_du > GetMaxAllowedZoom() )
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return false;
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m_Zoom = iu_per_du;
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return true;
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}
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bool BASE_SCREEN::SetNextZoom()
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{
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for( unsigned i=0; i < m_ZoomList.size(); ++i )
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{
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if( m_Zoom < m_ZoomList[i] )
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{
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SetZoom( m_ZoomList[i] );
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return true;
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}
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}
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return false;
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}
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bool BASE_SCREEN::SetPreviousZoom()
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{
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for( unsigned i = m_ZoomList.size(); i != 0; --i )
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{
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if( m_Zoom > m_ZoomList[i - 1] )
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{
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SetZoom( m_ZoomList[i - 1] );
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return true;
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}
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}
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return false;
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}
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/* Build the list of human readable grid list.
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* The list shows the grid size both in mils or mm.
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* aMmFirst = true to have mm first and mils after
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* false to have mils first and mm after
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*/
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int BASE_SCREEN::BuildGridsChoiceList( wxArrayString& aGridsList, bool aMmFirst) const
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{
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wxString msg;
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wxRealPoint curr_grid_size = GetGridSize();
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int idx = -1;
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int idx_usergrid = -1;
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for( size_t i = 0; i < GetGridCount(); i++ )
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{
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const GRID_TYPE& grid = m_grids[i];
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double gridValueMils = To_User_Unit( INCHES, grid.m_Size.x ) * 1000;
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double gridValue_mm = To_User_Unit( MILLIMETRES, grid.m_Size.x );
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if( grid.m_CmdId == ID_POPUP_GRID_USER )
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{
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msg = _( "Custom User Grid" );
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idx_usergrid = i;
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}
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else
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{
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if( aMmFirst )
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msg.Printf( _( "Grid: %.4f mm (%.2f mils)" ),
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gridValue_mm, gridValueMils );
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else
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msg.Printf( _( "Grid: %.2f mils (%.4f mm)" ),
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gridValueMils, gridValue_mm );
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}
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aGridsList.Add( msg );
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if( curr_grid_size == grid.m_Size )
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idx = i;
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}
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if( idx < 0 )
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idx = idx_usergrid;
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return idx;
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}
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void BASE_SCREEN::SetGridList( GRIDS& gridlist )
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{
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if( !m_grids.empty() )
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m_grids.clear();
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m_grids = gridlist;
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}
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int BASE_SCREEN::SetGrid( const wxRealPoint& size )
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{
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wxASSERT( !m_grids.empty() );
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GRID_TYPE nearest_grid = m_grids[0];
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int gridIdx = 0;
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for( unsigned i = 0; i < m_grids.size(); i++ )
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{
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if( m_grids[i].m_Size == size )
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{
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m_Grid = m_grids[i];
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return m_grids[i].m_CmdId - ID_POPUP_GRID_LEVEL_1000;
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}
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// keep track of the nearest larger grid size, if the exact size is not found
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if ( size.x < m_grids[i].m_Size.x )
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{
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gridIdx = m_grids[i].m_CmdId - ID_POPUP_GRID_LEVEL_1000;
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nearest_grid = m_grids[i];
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}
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}
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m_Grid = nearest_grid;
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wxLogWarning( wxT( "Grid size( %f, %f ) not in grid list, falling back " ) \
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wxT( "to grid size( %f, %f )." ),
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size.x, size.y, m_Grid.m_Size.x, m_Grid.m_Size.y );
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return gridIdx;
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}
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int BASE_SCREEN::SetGrid( int aCommandId )
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{
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wxASSERT( !m_grids.empty() );
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for( unsigned i = 0; i < m_grids.size(); i++ )
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{
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if( m_grids[i].m_CmdId == aCommandId )
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{
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m_Grid = m_grids[i];
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return m_grids[i].m_CmdId - ID_POPUP_GRID_LEVEL_1000;
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}
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}
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m_Grid = m_grids[0];
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wxLogWarning( wxT( "Grid ID %d not in grid list, falling back to " ) \
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wxT( "grid size( %g, %g )." ), aCommandId,
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m_Grid.m_Size.x, m_Grid.m_Size.y );
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return m_grids[0].m_CmdId - ID_POPUP_GRID_LEVEL_1000;
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}
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void BASE_SCREEN::AddGrid( const GRID_TYPE& grid )
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{
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for( unsigned i = 0; i < m_grids.size(); i++ )
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{
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if( m_grids[i].m_Size == grid.m_Size && grid.m_CmdId != ID_POPUP_GRID_USER )
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{
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wxLogDebug( wxT( "Discarding duplicate grid size( %g, %g )." ),
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grid.m_Size.x, grid.m_Size.y );
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return;
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}
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if( m_grids[i].m_CmdId == grid.m_CmdId )
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{
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wxLogDebug( wxT( "Changing grid ID %d from size( %g, %g ) to " ) \
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wxT( "size( %g, %g )." ),
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grid.m_CmdId, m_grids[i].m_Size.x,
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m_grids[i].m_Size.y, grid.m_Size.x, grid.m_Size.y );
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m_grids[i].m_Size = grid.m_Size;
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return;
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}
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}
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m_grids.push_back( grid );
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}
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void BASE_SCREEN::AddGrid( const wxRealPoint& size, int id )
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{
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GRID_TYPE grid;
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grid.m_Size = size;
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grid.m_CmdId = id;
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AddGrid( grid );
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}
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void BASE_SCREEN::AddGrid( const wxRealPoint& size, EDA_UNITS_T aUnit, int id )
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{
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wxRealPoint new_size;
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GRID_TYPE new_grid;
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new_size.x = From_User_Unit( aUnit, size.x );
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new_size.y = From_User_Unit( aUnit, size.y );
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new_grid.m_CmdId = id;
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new_grid.m_Size = new_size;
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AddGrid( new_grid );
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}
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GRID_TYPE& BASE_SCREEN::GetGrid( size_t aIndex )
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{
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wxCHECK_MSG( !m_grids.empty() && aIndex < m_grids.size(), m_Grid,
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wxT( "Cannot get grid object outside the bounds of the grid list." ) );
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return m_grids[ aIndex ];
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}
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bool BASE_SCREEN::GridExists( int aCommandId )
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{
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// tests for grid command ID (not an index in grid list, but a wxID) exists in grid list.
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for( unsigned i = 0; i < m_grids.size(); i++ )
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{
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if( m_grids[i].m_CmdId == aCommandId )
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return true;
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}
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return false;
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}
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wxPoint BASE_SCREEN::getNearestGridPosition( const wxPoint& aPosition,
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const wxPoint& aGridOrigin, wxRealPoint* aGridSize ) const
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{
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wxPoint pt;
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wxRealPoint gridSize;
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if( aGridSize )
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gridSize = *aGridSize;
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else
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gridSize = GetGridSize();
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double offset = fmod( aGridOrigin.x, gridSize.x );
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int x = KiROUND( (aPosition.x - offset) / gridSize.x );
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pt.x = KiROUND( x * gridSize.x + offset );
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offset = fmod( aGridOrigin.y, gridSize.y );
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int y = KiROUND( (aPosition.y - offset) / gridSize.y );
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pt.y = KiROUND ( y * gridSize.y + offset );
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return pt;
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}
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wxPoint BASE_SCREEN::getCursorPosition( bool aOnGrid, const wxPoint& aGridOrigin, wxRealPoint* aGridSize ) const
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{
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if( aOnGrid )
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return getNearestGridPosition( m_crossHairPosition, aGridOrigin, aGridSize );
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return m_crossHairPosition;
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}
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wxPoint BASE_SCREEN::getCrossHairScreenPosition() const
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{
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wxPoint pos = m_crossHairPosition - m_DrawOrg;
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double scalar = GetScalingFactor();
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pos.x = KiROUND( (double) pos.x * scalar );
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pos.y = KiROUND( (double) pos.y * scalar );
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return pos;
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}
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void BASE_SCREEN::setCrossHairPosition( const wxPoint& aPosition, const wxPoint& aGridOrigin, bool aSnapToGrid )
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{
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if( aSnapToGrid )
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m_crossHairPosition = getNearestGridPosition( aPosition, aGridOrigin, NULL );
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else
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m_crossHairPosition = aPosition;
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}
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void BASE_SCREEN::ClearUndoRedoList()
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{
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ClearUndoORRedoList( m_UndoList );
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ClearUndoORRedoList( m_RedoList );
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}
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void BASE_SCREEN::PushCommandToUndoList( PICKED_ITEMS_LIST* aNewitem )
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{
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m_UndoList.PushCommand( aNewitem );
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// Delete the extra items, if count max reached
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if( m_UndoRedoCountMax > 0 )
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{
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int extraitems = GetUndoCommandCount() - m_UndoRedoCountMax;
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if( extraitems > 0 )
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ClearUndoORRedoList( m_UndoList, extraitems );
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}
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}
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void BASE_SCREEN::PushCommandToRedoList( PICKED_ITEMS_LIST* aNewitem )
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{
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m_RedoList.PushCommand( aNewitem );
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// Delete the extra items, if count max reached
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if( m_UndoRedoCountMax > 0 )
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{
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int extraitems = GetRedoCommandCount() - m_UndoRedoCountMax;
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if( extraitems > 0 )
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ClearUndoORRedoList( m_RedoList, extraitems );
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}
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}
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PICKED_ITEMS_LIST* BASE_SCREEN::PopCommandFromUndoList( )
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{
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return m_UndoList.PopCommand( );
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}
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PICKED_ITEMS_LIST* BASE_SCREEN::PopCommandFromRedoList( )
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{
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return m_RedoList.PopCommand( );
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}
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#if defined(DEBUG)
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void BASE_SCREEN::Show( int nestLevel, std::ostream& os ) const
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{
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// for now, make it look like XML, expand on this later.
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NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() << ">\n";
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/* this class will eventually go away, but here's a place holder until then.
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for( EDA_ITEM* item = m_drawList; item; item = item->Next() )
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{
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item->Show( nestLevel+1, os );
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}
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*/
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NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
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}
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#endif
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